| /*****************************************************************************/ |
| /* ips.c -- driver for the IBM ServeRAID controller */ |
| /* */ |
| /* Written By: Keith Mitchell, IBM Corporation */ |
| /* Jack Hammer, Adaptec, Inc. */ |
| /* David Jeffery, Adaptec, Inc. */ |
| /* */ |
| /* Copyright (C) 2000 IBM Corporation */ |
| /* */ |
| /* This program is free software; you can redistribute it and/or modify */ |
| /* it under the terms of the GNU General Public License as published by */ |
| /* the Free Software Foundation; either version 2 of the License, or */ |
| /* (at your option) any later version. */ |
| /* */ |
| /* This program is distributed in the hope that it will be useful, */ |
| /* but WITHOUT ANY WARRANTY; without even the implied warranty of */ |
| /* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the */ |
| /* GNU General Public License for more details. */ |
| /* */ |
| /* NO WARRANTY */ |
| /* THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR */ |
| /* CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT */ |
| /* LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT, */ |
| /* MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is */ |
| /* solely responsible for determining the appropriateness of using and */ |
| /* distributing the Program and assumes all risks associated with its */ |
| /* exercise of rights under this Agreement, including but not limited to */ |
| /* the risks and costs of program errors, damage to or loss of data, */ |
| /* programs or equipment, and unavailability or interruption of operations. */ |
| /* */ |
| /* DISCLAIMER OF LIABILITY */ |
| /* NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY */ |
| /* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL */ |
| /* DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND */ |
| /* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR */ |
| /* TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE */ |
| /* USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED */ |
| /* HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES */ |
| /* */ |
| /* You should have received a copy of the GNU General Public License */ |
| /* along with this program; if not, write to the Free Software */ |
| /* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ |
| /* */ |
| /* Bugs/Comments/Suggestions about this driver should be mailed to: */ |
| /* ipslinux@us.ibm.com */ |
| /* */ |
| /* For system support issues, contact your local IBM Customer support. */ |
| /* Directions to find IBM Customer Support for each country can be found at: */ |
| /* http://www.ibm.com/planetwide/ */ |
| /* */ |
| /*****************************************************************************/ |
| |
| /*****************************************************************************/ |
| /* Change Log */ |
| /* */ |
| /* 0.99.02 - Breakup commands that are bigger than 8 * the stripe size */ |
| /* 0.99.03 - Make interrupt routine handle all completed request on the */ |
| /* adapter not just the first one */ |
| /* - Make sure passthru commands get woken up if we run out of */ |
| /* SCBs */ |
| /* - Send all of the commands on the queue at once rather than */ |
| /* one at a time since the card will support it. */ |
| /* 0.99.04 - Fix race condition in the passthru mechanism -- this required */ |
| /* the interface to the utilities to change */ |
| /* - Fix error recovery code */ |
| /* 0.99.05 - Fix an oops when we get certain passthru commands */ |
| /* 1.00.00 - Initial Public Release */ |
| /* Functionally equivalent to 0.99.05 */ |
| /* 3.60.00 - Bump max commands to 128 for use with ServeRAID firmware 3.60 */ |
| /* - Change version to 3.60 to coincide with ServeRAID release */ |
| /* numbering. */ |
| /* 3.60.01 - Remove bogus error check in passthru routine */ |
| /* 3.60.02 - Make DCDB direction based on lookup table */ |
| /* - Only allow one DCDB command to a SCSI ID at a time */ |
| /* 4.00.00 - Add support for ServeRAID 4 */ |
| /* 4.00.01 - Add support for First Failure Data Capture */ |
| /* 4.00.02 - Fix problem with PT DCDB with no buffer */ |
| /* 4.00.03 - Add alternative passthru interface */ |
| /* - Add ability to flash ServeRAID BIOS */ |
| /* 4.00.04 - Rename structures/constants to be prefixed with IPS_ */ |
| /* 4.00.05 - Remove wish_block from init routine */ |
| /* - Use linux/spinlock.h instead of asm/spinlock.h for kernels */ |
| /* 2.3.18 and later */ |
| /* - Sync with other changes from the 2.3 kernels */ |
| /* 4.00.06 - Fix timeout with initial FFDC command */ |
| /* 4.00.06a - Port to 2.4 (trivial) -- Christoph Hellwig <hch@caldera.de> */ |
| /* 4.10.00 - Add support for ServeRAID 4M/4L */ |
| /* 4.10.13 - Fix for dynamic unload and proc file system */ |
| /* 4.20.03 - Rename version to coincide with new release schedules */ |
| /* Performance fixes */ |
| /* Fix truncation of /proc files with cat */ |
| /* Merge in changes through kernel 2.4.0test1ac21 */ |
| /* 4.20.13 - Fix some failure cases / reset code */ |
| /* - Hook into the reboot_notifier to flush the controller cache */ |
| /* 4.50.01 - Fix problem when there is a hole in logical drive numbering */ |
| /* 4.70.09 - Use a Common ( Large Buffer ) for Flashing from the JCRM CD */ |
| /* - Add IPSSEND Flash Support */ |
| /* - Set Sense Data for Unknown SCSI Command */ |
| /* - Use Slot Number from NVRAM Page 5 */ |
| /* - Restore caller's DCDB Structure */ |
| /* 4.70.12 - Corrective actions for bad controller ( during initialization )*/ |
| /* 4.70.13 - Don't Send CDB's if we already know the device is not present */ |
| /* - Don't release HA Lock in ips_next() until SC taken off queue */ |
| /* - Unregister SCSI device in ips_release() */ |
| /* 4.70.15 - Fix Breakup for very large ( non-SG ) requests in ips_done() */ |
| /* 4.71.00 - Change all memory allocations to not use GFP_DMA flag */ |
| /* Code Clean-Up for 2.4.x kernel */ |
| /* 4.72.00 - Allow for a Scatter-Gather Element to exceed MAX_XFER Size */ |
| /* 4.72.01 - I/O Mapped Memory release ( so "insmod ips" does not Fail ) */ |
| /* - Don't Issue Internal FFDC Command if there are Active Commands */ |
| /* - Close Window for getting too many IOCTL's active */ |
| /* 4.80.00 - Make ia64 Safe */ |
| /* 4.80.04 - Eliminate calls to strtok() if 2.4.x or greater */ |
| /* - Adjustments to Device Queue Depth */ |
| /* 4.80.14 - Take all semaphores off stack */ |
| /* - Clean Up New_IOCTL path */ |
| /* 4.80.20 - Set max_sectors in Scsi_Host structure ( if >= 2.4.7 kernel ) */ |
| /* - 5 second delay needed after resetting an i960 adapter */ |
| /* 4.80.26 - Clean up potential code problems ( Arjan's recommendations ) */ |
| /* 4.90.01 - Version Matching for FirmWare, BIOS, and Driver */ |
| /* 4.90.05 - Use New PCI Architecture to facilitate Hot Plug Development */ |
| /* 4.90.08 - Increase Delays in Flashing ( Trombone Only - 4H ) */ |
| /* 4.90.08 - Data Corruption if First Scatter Gather Element is > 64K */ |
| /* 4.90.11 - Don't actually RESET unless it's physically required */ |
| /* - Remove unused compile options */ |
| /* 5.00.01 - Sarasota ( 5i ) adapters must always be scanned first */ |
| /* - Get rid on IOCTL_NEW_COMMAND code */ |
| /* - Add Extended DCDB Commands for Tape Support in 5I */ |
| /* 5.10.12 - use pci_dma interfaces, update for 2.5 kernel changes */ |
| /*****************************************************************************/ |
| |
| /* |
| * Conditional Compilation directives for this driver: |
| * |
| * IPS_DEBUG - Turn on debugging info |
| * |
| * Parameters: |
| * |
| * debug:<number> - Set debug level to <number> |
| * NOTE: only works when IPS_DEBUG compile directive is used. |
| * 1 - Normal debug messages |
| * 2 - Verbose debug messages |
| * 11 - Method trace (non interrupt) |
| * 12 - Method trace (includes interrupt) |
| * |
| * noi2o - Don't use I2O Queues (ServeRAID 4 only) |
| * nommap - Don't use memory mapped I/O |
| * ioctlsize - Initial size of the IOCTL buffer |
| */ |
| |
| #include <asm/io.h> |
| #include <asm/byteorder.h> |
| #include <asm/page.h> |
| #include <linux/stddef.h> |
| #include <linux/version.h> |
| #include <linux/string.h> |
| #include <linux/errno.h> |
| #include <linux/kernel.h> |
| #include <linux/ioport.h> |
| #include <linux/slab.h> |
| #include <linux/vmalloc.h> |
| #include <linux/delay.h> |
| #include <linux/sched.h> |
| #include <linux/pci.h> |
| #include <linux/proc_fs.h> |
| #include <linux/reboot.h> |
| #include <linux/tqueue.h> |
| #include <linux/interrupt.h> |
| |
| #include <linux/blk.h> |
| #include <linux/types.h> |
| |
| #include <scsi/sg.h> |
| |
| #include "sd.h" |
| #include "scsi.h" |
| #include "hosts.h" |
| #include "ips.h" |
| |
| #include <linux/module.h> |
| |
| #include <linux/stat.h> |
| #include <linux/config.h> |
| |
| #if LINUX_VERSION_CODE >= LinuxVersionCode(2,4,0) |
| #include <linux/spinlock.h> |
| #include <linux/init.h> |
| #else |
| #include <asm/spinlock.h> |
| #endif |
| |
| #include <linux/smp.h> |
| |
| #ifdef MODULE |
| static char *ips = NULL; |
| MODULE_PARM(ips, "s"); |
| #endif |
| |
| /* |
| * DRIVER_VER |
| */ |
| #define IPS_VERSION_HIGH "5.10" |
| #define IPS_VERSION_LOW ".13-BETA " |
| |
| #if LINUX_VERSION_CODE < LinuxVersionCode(2,4,0) |
| struct proc_dir_entry proc_scsi_ips = { |
| 0, |
| 3, "ips", |
| S_IFDIR | S_IRUGO | S_IXUGO, 2 |
| }; |
| #endif |
| |
| #if !defined(__i386__) && !defined(__ia64__) |
| #error "This driver has only been tested on the x86/ia64 platforms" |
| #endif |
| |
| #if LINUX_VERSION_CODE < LinuxVersionCode(2,2,0) |
| #error "This driver only works with kernel 2.2.0 and later" |
| #elif LINUX_VERSION_CODE <= LinuxVersionCode(2,3,18) |
| #define dma_addr_t uint32_t |
| |
| static inline void *pci_alloc_consistent(struct pci_dev *dev,int size, |
| dma_addr_t *dmahandle) { |
| void * ptr = kmalloc(size, GFP_ATOMIC); |
| if(ptr){ |
| *dmahandle = VIRT_TO_BUS(ptr); |
| } |
| return ptr; |
| } |
| |
| #define pci_free_consistent(a,size,address,dmahandle) kfree(address) |
| |
| #define pci_map_sg(a,b,n,z) (n) |
| #define pci_unmap_sg(a,b,c,d) |
| #define pci_map_single(a,b,c,d) (VIRT_TO_BUS(b)) |
| #define pci_unmap_single(a,b,c,d) |
| #ifndef sg_dma_address |
| #define sg_dma_address(x) (VIRT_TO_BUS((x)->address)) |
| #define sg_dma_len(x) ((x)->length) |
| #endif |
| #define pci_unregister_driver(x) |
| #endif |
| |
| #if LINUX_VERSION_CODE <= LinuxVersionCode(2,5,0) |
| #define IPS_SG_ADDRESS(sg) ((sg)->address) |
| #define IPS_LOCK_IRQ(lock) spin_lock_irq(&io_request_lock) |
| #define IPS_UNLOCK_IRQ(lock) spin_unlock_irq(&io_request_lock) |
| #define IPS_LOCK_SAVE(lock,flags) spin_lock_irqsave(&io_request_lock,flags) |
| #define IPS_UNLOCK_RESTORE(lock,flags) spin_unlock_irqrestore(&io_request_lock,flags) |
| #else |
| #define IPS_SG_ADDRESS(sg) (page_address((sg)->page) ? \ |
| page_address((sg)->page)+(sg)->offset : 0) |
| #define IPS_LOCK_IRQ(lock) spin_lock_irq(lock) |
| #define IPS_UNLOCK_IRQ(lock) spin_unlock_irq(lock) |
| #define IPS_LOCK_SAVE(lock,flags) spin_lock_irqsave(lock,flags) |
| #define IPS_UNLOCK_RESTORE(lock,flags) spin_unlock_irqrestore(lock,flags) |
| |
| #endif |
| |
| #define IPS_DMA_DIR(scb) ((!scb->scsi_cmd || ips_is_passthru(scb->scsi_cmd) || \ |
| SCSI_DATA_NONE == scb->scsi_cmd->sc_data_direction) ? \ |
| PCI_DMA_BIDIRECTIONAL : \ |
| scsi_to_pci_dma_dir(scb->scsi_cmd->sc_data_direction)) |
| |
| #ifdef IPS_DEBUG |
| #define METHOD_TRACE(s, i) if (ips_debug >= (i+10)) printk(KERN_NOTICE s "\n"); |
| #define DEBUG(i, s) if (ips_debug >= i) printk(KERN_NOTICE s "\n"); |
| #define DEBUG_VAR(i, s, v...) if (ips_debug >= i) printk(KERN_NOTICE s "\n", v); |
| #else |
| #define METHOD_TRACE(s, i) |
| #define DEBUG(i, s) |
| #define DEBUG_VAR(i, s, v...) |
| #endif |
| |
| /* |
| * global variables |
| */ |
| static const char ips_name[] = "ips"; |
| static struct Scsi_Host *ips_sh[IPS_MAX_ADAPTERS]; /* Array of host controller structures */ |
| static ips_ha_t *ips_ha[IPS_MAX_ADAPTERS]; /* Array of HA structures */ |
| static unsigned int ips_next_controller = 0; |
| static unsigned int ips_num_controllers = 0; |
| static unsigned int ips_released_controllers = 0; |
| static int ips_cmd_timeout = 60; |
| static int ips_reset_timeout = 60 * 5; |
| static int ips_force_memio = 1; /* Always use Memory Mapped I/O */ |
| static int ips_force_i2o = 1; /* Always use I2O command delivery */ |
| static int ips_ioctlsize = IPS_IOCTL_SIZE; /* Size of the ioctl buffer */ |
| static int ips_cd_boot = 0; /* Booting from ServeRAID Manager CD */ |
| static char *ips_FlashData = NULL; /* CD Boot - Flash Data Buffer */ |
| static long ips_FlashDataInUse = 0; /* CD Boot - Flash Data In Use Flag */ |
| static uint32_t MaxLiteCmds = 32; /* Max Active Cmds for a Lite Adapter */ |
| |
| IPS_DEFINE_COMPAT_TABLE( Compatable ); /* Version Compatability Table */ |
| |
| |
| #if LINUX_VERSION_CODE >= LinuxVersionCode(2,4,0) |
| /* This table describes any / all ServeRAID Adapters */ |
| static struct pci_device_id ips_pci_table[] __devinitdata = { |
| { 0x1014, 0x002E, PCI_ANY_ID, PCI_ANY_ID, 0, 0 }, |
| { 0x1014, 0x01BD, PCI_ANY_ID, PCI_ANY_ID, 0, 0 }, |
| { 0, } |
| }; |
| |
| /* This table describes only Sarasota ( ServeRAID 5i ) Adapters */ |
| static struct pci_device_id ips_pci_table_5i[] __devinitdata = { |
| { 0x1014, 0x01BD, PCI_ANY_ID, 0x259, 0, 0 }, |
| { 0x1014, 0x01BD, PCI_ANY_ID, 0x258, 0, 0 }, |
| { 0, } |
| }; |
| |
| /* This table describes all i960 Adapters */ |
| static struct pci_device_id ips_pci_table_i960[] __devinitdata = { |
| { 0x1014, 0x01BD, PCI_ANY_ID, PCI_ANY_ID, 0, 0 }, |
| { 0, } |
| }; |
| |
| MODULE_DEVICE_TABLE( pci, ips_pci_table ); |
| |
| static char ips_hot_plug_name[] = "ips"; |
| |
| static int __devinit ips_insert_device(struct pci_dev *pci_dev, const struct pci_device_id *ent); |
| static void __devexit ips_remove_device(struct pci_dev *pci_dev); |
| |
| struct pci_driver ips_pci_driver = { |
| name: ips_hot_plug_name, |
| id_table: ips_pci_table, |
| probe: ips_insert_device, |
| remove: ips_remove_device, |
| }; |
| |
| struct pci_driver ips_pci_driver_5i = { |
| name: ips_hot_plug_name, |
| id_table: ips_pci_table_5i, |
| probe: ips_insert_device, |
| remove: ips_remove_device, |
| }; |
| |
| struct pci_driver ips_pci_driver_i960 = { |
| name: ips_hot_plug_name, |
| id_table: ips_pci_table_i960, |
| probe: ips_insert_device, |
| remove: ips_remove_device, |
| }; |
| |
| #endif |
| |
| /* |
| * Necessary forward function protoypes |
| */ |
| static int ips_halt(struct notifier_block *nb, ulong event, void *buf); |
| |
| #define MAX_ADAPTER_NAME 11 |
| |
| static char ips_adapter_name[][30] = { |
| "ServeRAID", |
| "ServeRAID II", |
| "ServeRAID on motherboard", |
| "ServeRAID on motherboard", |
| "ServeRAID 3H", |
| "ServeRAID 3L", |
| "ServeRAID 4H", |
| "ServeRAID 4M", |
| "ServeRAID 4L", |
| "ServeRAID 4Mx", |
| "ServeRAID 4Lx", |
| "ServeRAID 5i", |
| "ServeRAID 5i" |
| }; |
| |
| static struct notifier_block ips_notifier = { |
| ips_halt, NULL, 0 |
| }; |
| |
| /* |
| * Direction table |
| */ |
| static char ips_command_direction[] = { |
| IPS_DATA_NONE, IPS_DATA_NONE, IPS_DATA_IN, IPS_DATA_IN, IPS_DATA_OUT, |
| IPS_DATA_IN, IPS_DATA_IN, IPS_DATA_OUT, IPS_DATA_IN, IPS_DATA_UNK, |
| IPS_DATA_OUT, IPS_DATA_OUT, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, |
| IPS_DATA_IN, IPS_DATA_NONE, IPS_DATA_NONE, IPS_DATA_IN, IPS_DATA_OUT, |
| IPS_DATA_IN, IPS_DATA_OUT, IPS_DATA_NONE, IPS_DATA_NONE, IPS_DATA_OUT, |
| IPS_DATA_NONE, IPS_DATA_IN, IPS_DATA_NONE, IPS_DATA_IN, IPS_DATA_OUT, |
| IPS_DATA_NONE, IPS_DATA_UNK, IPS_DATA_IN, IPS_DATA_UNK, IPS_DATA_IN, |
| IPS_DATA_UNK, IPS_DATA_OUT, IPS_DATA_IN, IPS_DATA_UNK, IPS_DATA_UNK, |
| IPS_DATA_IN, IPS_DATA_IN, IPS_DATA_OUT, IPS_DATA_NONE, IPS_DATA_UNK, |
| IPS_DATA_IN, IPS_DATA_OUT, IPS_DATA_OUT, IPS_DATA_OUT, IPS_DATA_OUT, |
| IPS_DATA_OUT, IPS_DATA_NONE, IPS_DATA_IN, IPS_DATA_NONE, IPS_DATA_NONE, |
| IPS_DATA_IN, IPS_DATA_OUT, IPS_DATA_OUT, IPS_DATA_OUT, IPS_DATA_OUT, |
| IPS_DATA_IN, IPS_DATA_OUT, IPS_DATA_IN, IPS_DATA_OUT, IPS_DATA_OUT, |
| IPS_DATA_OUT, IPS_DATA_IN, IPS_DATA_IN, IPS_DATA_IN, IPS_DATA_NONE, |
| IPS_DATA_UNK, IPS_DATA_NONE, IPS_DATA_NONE, IPS_DATA_NONE, IPS_DATA_UNK, |
| IPS_DATA_NONE, IPS_DATA_OUT, IPS_DATA_IN, IPS_DATA_UNK, IPS_DATA_UNK, |
| IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, |
| IPS_DATA_OUT, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, |
| IPS_DATA_IN, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, |
| IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, |
| IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, |
| IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, |
| IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, |
| IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, |
| IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, |
| IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, |
| IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, |
| IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, |
| IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, |
| IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, |
| IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, |
| IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, |
| IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, |
| IPS_DATA_NONE, IPS_DATA_NONE, IPS_DATA_UNK, IPS_DATA_IN, IPS_DATA_NONE, |
| IPS_DATA_OUT, IPS_DATA_UNK, IPS_DATA_NONE, IPS_DATA_UNK, IPS_DATA_OUT, |
| IPS_DATA_OUT, IPS_DATA_OUT, IPS_DATA_OUT, IPS_DATA_OUT, IPS_DATA_NONE, |
| IPS_DATA_UNK, IPS_DATA_IN, IPS_DATA_OUT, IPS_DATA_IN, IPS_DATA_IN, |
| IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, |
| IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, |
| IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, |
| IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, |
| IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, |
| IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, |
| IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, |
| IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, |
| IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, |
| IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_OUT, |
| IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, |
| IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, |
| IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, |
| IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK |
| }; |
| |
| /* |
| * Function prototypes |
| */ |
| int ips_detect(Scsi_Host_Template *); |
| int ips_release(struct Scsi_Host *); |
| int ips_eh_abort(Scsi_Cmnd *); |
| int ips_eh_reset(Scsi_Cmnd *); |
| int ips_queue(Scsi_Cmnd *, void (*) (Scsi_Cmnd *)); |
| int ips_biosparam(Disk *, kdev_t, int *); |
| const char * ips_info(struct Scsi_Host *); |
| void do_ipsintr(int, void *, struct pt_regs *); |
| static int ips_hainit(ips_ha_t *); |
| static int ips_map_status(ips_ha_t *, ips_scb_t *, ips_stat_t *); |
| static int ips_send_wait(ips_ha_t *, ips_scb_t *, int, int); |
| static int ips_send_cmd(ips_ha_t *, ips_scb_t *); |
| static int ips_online(ips_ha_t *, ips_scb_t *); |
| static int ips_inquiry(ips_ha_t *, ips_scb_t *); |
| static int ips_rdcap(ips_ha_t *, ips_scb_t *); |
| static int ips_msense(ips_ha_t *, ips_scb_t *); |
| static int ips_reqsen(ips_ha_t *, ips_scb_t *); |
| static int ips_deallocatescbs(ips_ha_t *, int); |
| static int ips_allocatescbs(ips_ha_t *); |
| static int ips_reset_copperhead(ips_ha_t *); |
| static int ips_reset_copperhead_memio(ips_ha_t *); |
| static int ips_reset_morpheus(ips_ha_t *); |
| static int ips_issue_copperhead(ips_ha_t *, ips_scb_t *); |
| static int ips_issue_copperhead_memio(ips_ha_t *, ips_scb_t *); |
| static int ips_issue_i2o(ips_ha_t *, ips_scb_t *); |
| static int ips_issue_i2o_memio(ips_ha_t *, ips_scb_t *); |
| static int ips_isintr_copperhead(ips_ha_t *); |
| static int ips_isintr_copperhead_memio(ips_ha_t *); |
| static int ips_isintr_morpheus(ips_ha_t *); |
| static int ips_wait(ips_ha_t *, int, int); |
| static int ips_write_driver_status(ips_ha_t *, int); |
| static int ips_read_adapter_status(ips_ha_t *, int); |
| static int ips_read_subsystem_parameters(ips_ha_t *, int); |
| static int ips_read_config(ips_ha_t *, int); |
| static int ips_clear_adapter(ips_ha_t *, int); |
| static int ips_readwrite_page5(ips_ha_t *, int, int); |
| static int ips_init_copperhead(ips_ha_t *); |
| static int ips_init_copperhead_memio(ips_ha_t *); |
| static int ips_init_morpheus(ips_ha_t *); |
| static int ips_isinit_copperhead(ips_ha_t *); |
| static int ips_isinit_copperhead_memio(ips_ha_t *); |
| static int ips_isinit_morpheus(ips_ha_t *); |
| static int ips_erase_bios(ips_ha_t *); |
| static int ips_program_bios(ips_ha_t *, char *, uint32_t, uint32_t); |
| static int ips_verify_bios(ips_ha_t *, char *, uint32_t, uint32_t); |
| static int ips_erase_bios_memio(ips_ha_t *); |
| static int ips_program_bios_memio(ips_ha_t *, char *, uint32_t, uint32_t); |
| static int ips_verify_bios_memio(ips_ha_t *, char *, uint32_t, uint32_t); |
| static int ips_flash_copperhead(ips_ha_t *, ips_passthru_t *, ips_scb_t *); |
| static int ips_flash_bios(ips_ha_t *, ips_passthru_t *, ips_scb_t *); |
| static int ips_flash_firmware(ips_ha_t *, ips_passthru_t *, ips_scb_t *); |
| static void ips_free_flash_copperhead(ips_ha_t *ha); |
| static void ips_get_bios_version(ips_ha_t *, int); |
| static void ips_identify_controller(ips_ha_t *); |
| static void ips_select_queue_depth(struct Scsi_Host *, Scsi_Device *); |
| static void ips_chkstatus(ips_ha_t *, IPS_STATUS *); |
| static void ips_enable_int_copperhead(ips_ha_t *); |
| static void ips_enable_int_copperhead_memio(ips_ha_t *); |
| static void ips_enable_int_morpheus(ips_ha_t *); |
| static void ips_intr_copperhead(ips_ha_t *); |
| static void ips_intr_morpheus(ips_ha_t *); |
| static void ips_next(ips_ha_t *, int); |
| static void ipsintr_blocking(ips_ha_t *, struct ips_scb *); |
| static void ipsintr_done(ips_ha_t *, struct ips_scb *); |
| static void ips_done(ips_ha_t *, ips_scb_t *); |
| static void ips_free(ips_ha_t *); |
| static void ips_init_scb(ips_ha_t *, ips_scb_t *); |
| static void ips_freescb(ips_ha_t *, ips_scb_t *); |
| static void ips_statinit(ips_ha_t *); |
| static void ips_statinit_memio(ips_ha_t *); |
| static void ips_fix_ffdc_time(ips_ha_t *, ips_scb_t *, time_t); |
| static void ips_ffdc_reset(ips_ha_t *, int); |
| static void ips_ffdc_time(ips_ha_t *); |
| static uint32_t ips_statupd_copperhead(ips_ha_t *); |
| static uint32_t ips_statupd_copperhead_memio(ips_ha_t *); |
| static uint32_t ips_statupd_morpheus(ips_ha_t *); |
| static ips_scb_t * ips_getscb(ips_ha_t *); |
| static inline void ips_putq_scb_head(ips_scb_queue_t *, ips_scb_t *); |
| static inline void ips_putq_scb_tail(ips_scb_queue_t *, ips_scb_t *); |
| static inline void ips_putq_wait_head(ips_wait_queue_t *, Scsi_Cmnd *); |
| static inline void ips_putq_wait_tail(ips_wait_queue_t *, Scsi_Cmnd *); |
| static inline void ips_putq_copp_head(ips_copp_queue_t *, ips_copp_wait_item_t *); |
| static inline void ips_putq_copp_tail(ips_copp_queue_t *, ips_copp_wait_item_t *); |
| static inline ips_scb_t * ips_removeq_scb_head(ips_scb_queue_t *); |
| static inline ips_scb_t * ips_removeq_scb(ips_scb_queue_t *, ips_scb_t *); |
| static inline Scsi_Cmnd * ips_removeq_wait_head(ips_wait_queue_t *); |
| static inline Scsi_Cmnd * ips_removeq_wait(ips_wait_queue_t *, Scsi_Cmnd *); |
| static inline ips_copp_wait_item_t * ips_removeq_copp(ips_copp_queue_t *, ips_copp_wait_item_t *); |
| static inline ips_copp_wait_item_t * ips_removeq_copp_head(ips_copp_queue_t *); |
| |
| static int ips_is_passthru(Scsi_Cmnd *); |
| static int ips_make_passthru(ips_ha_t *, Scsi_Cmnd *, ips_scb_t *, int); |
| static int ips_usrcmd(ips_ha_t *, ips_passthru_t *, ips_scb_t *); |
| static void ips_cleanup_passthru(ips_ha_t *, ips_scb_t *); |
| |
| int ips_proc_info(char *, char **, off_t, int, int, int); |
| static int ips_host_info(ips_ha_t *, char *, off_t, int); |
| static void copy_mem_info(IPS_INFOSTR *, char *, int); |
| static int copy_info(IPS_INFOSTR *, char *, ...); |
| static int ips_get_version_info(ips_ha_t *ha, IPS_VERSION_DATA *Buffer, int intr ); |
| static void ips_version_check(ips_ha_t *ha, int intr); |
| static int ips_init_phase2( int index ); |
| |
| #if LINUX_VERSION_CODE >= LinuxVersionCode(2,4,0) |
| static int ips_init_phase1( struct pci_dev *pci_dev, int *indexPtr ); |
| #endif |
| |
| /*--------------------------------------------------------------------------*/ |
| /* Exported Functions */ |
| /*--------------------------------------------------------------------------*/ |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: ips_setup */ |
| /* */ |
| /* Routine Description: */ |
| /* */ |
| /* setup parameters to the driver */ |
| /* */ |
| /****************************************************************************/ |
| #if LINUX_VERSION_CODE >= LinuxVersionCode(2,4,0) |
| static int |
| ips_setup(char *ips_str) { |
| #else |
| void |
| ips_setup(char *ips_str, int *dummy) { |
| #endif |
| |
| int i; |
| char *key; |
| char *value; |
| IPS_OPTION options[] = { |
| {"noi2o", &ips_force_i2o, 0}, |
| {"nommap", &ips_force_memio, 0}, |
| {"ioctlsize", &ips_ioctlsize, IPS_IOCTL_SIZE}, |
| {"cdboot", &ips_cd_boot, 0}, |
| {"maxcmds", &MaxLiteCmds, 32}, |
| }; |
| |
| /* Don't use strtok() anymore ( if 2.4 Kernel or beyond ) */ |
| #if LINUX_VERSION_CODE >= LinuxVersionCode(2,4,0) |
| /* Search for value */ |
| while ((key = strsep(&ips_str, ",."))) { |
| if (!*key) |
| continue; |
| value = strchr(key, ':'); |
| if (value) |
| *value++ = '\0'; |
| /* |
| * We now have key/value pairs. |
| * Update the variables |
| */ |
| for (i = 0; i < (sizeof(options) / sizeof(options[0])); i++) { |
| if (strnicmp(key, options[i].option_name, strlen(options[i].option_name)) == 0) { |
| if (value) |
| *options[i].option_flag = simple_strtoul(value, NULL, 0); |
| else |
| *options[i].option_flag = options[i].option_value; |
| break; |
| } |
| } |
| } |
| |
| return (1); |
| |
| __setup("ips=", ips_setup); |
| |
| #else |
| |
| char *p; |
| char tokens[3] = {',', '.', 0}; |
| |
| for (key = strtok(ips_str, tokens); key; key = strtok(NULL, tokens)) { |
| p = key; |
| |
| /* Search for value */ |
| while ((p) && (*p != ':')) |
| p++; |
| |
| if (p) { |
| *p = '\0'; |
| value = p+1; |
| } else |
| value = NULL; |
| |
| /* |
| * We now have key/value pairs. |
| * Update the variables |
| */ |
| for (i = 0; i < (sizeof(options) / sizeof(options[0])); i++) { |
| if (strnicmp(key, options[i].option_name, strlen(ips_str)) == 0) { |
| if (value) |
| *options[i].option_flag = simple_strtoul(value, NULL, 0); |
| else |
| *options[i].option_flag = options[i].option_value; |
| |
| break; |
| } |
| } |
| } |
| |
| #endif |
| |
| } |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: ips_detect */ |
| /* */ |
| /* Routine Description: */ |
| /* */ |
| /* Detect and initialize the driver */ |
| /* */ |
| /* NOTE: this routine is called under the io_request_lock spinlock */ |
| /* */ |
| /****************************************************************************/ |
| int |
| ips_detect(Scsi_Host_Template *SHT) { |
| struct Scsi_Host *sh; |
| ips_ha_t *ha; |
| uint32_t io_addr; |
| uint32_t mem_addr; |
| uint32_t io_len; |
| uint32_t mem_len; |
| uint16_t planer; |
| uint8_t revision_id; |
| uint8_t bus; |
| uint8_t func; |
| uint8_t irq; |
| uint16_t deviceID[2]; |
| uint16_t subdevice_id; |
| int i; |
| int j; |
| uint32_t count; |
| char *ioremap_ptr; |
| char *mem_ptr; |
| struct pci_dev *dev[2]; |
| struct pci_dev *morpheus = NULL; |
| struct pci_dev *trombone = NULL; |
| #if LINUX_VERSION_CODE < LinuxVersionCode(2,4,0) |
| uint32_t currbar; |
| uint32_t maskbar; |
| uint8_t barnum; |
| #endif |
| |
| METHOD_TRACE("ips_detect", 1); |
| |
| #ifdef MODULE |
| if (ips) |
| #if LINUX_VERSION_CODE >= LinuxVersionCode(2,4,0) |
| ips_setup(ips); |
| #else |
| ips_setup(ips, NULL); |
| #endif |
| #endif |
| |
| /* If Booting from the ServeRAID Manager CD, Allocate a large Flash */ |
| /* Buffer ( so we won't need to allocate one for each adapter ). */ |
| if ( ips_cd_boot ) { |
| ips_FlashData = ( char * ) __get_free_pages( GFP_KERNEL, 7 ); |
| if (ips_FlashData == NULL) { |
| /* The validity of this pointer is checked in ips_make_passthru() before it is used */ |
| printk( KERN_WARNING "ERROR: Can't Allocate Large Buffer for Flashing\n" ); |
| } |
| } |
| |
| SHT->proc_info = ips_proc_info; |
| #if LINUX_VERSION_CODE < LinuxVersionCode(2,4,0) |
| SHT->proc_dir = &proc_scsi_ips; |
| #else |
| SHT->proc_name = "ips"; |
| #endif |
| |
| #if defined(CONFIG_PCI) |
| |
| /* initalize number of controllers */ |
| ips_num_controllers = 0; |
| ips_next_controller = 0; |
| ips_released_controllers = 0; |
| |
| if (!pci_present()) |
| return (0); |
| |
| morpheus = pci_find_device(IPS_VENDORID, IPS_DEVICEID_MORPHEUS, morpheus); |
| trombone = pci_find_device(IPS_VENDORID, IPS_DEVICEID_COPPERHEAD, trombone); |
| |
| /* determine which controller to probe first */ |
| if (!morpheus) { |
| /* we only have trombone */ |
| dev[0] = trombone; |
| dev[1] = NULL; |
| deviceID[0] = IPS_DEVICEID_COPPERHEAD; |
| } else if (!trombone) { |
| /* we only have morpheus */ |
| dev[0] = morpheus; |
| dev[1] = NULL; |
| deviceID[0] = IPS_DEVICEID_MORPHEUS; |
| } else { |
| /* we have both in the system */ |
| if (trombone->bus->number < morpheus->bus->number) { |
| dev[0] = trombone; |
| dev[1] = morpheus; |
| deviceID[0] = IPS_DEVICEID_COPPERHEAD; |
| deviceID[1] = IPS_DEVICEID_MORPHEUS; |
| } else if (trombone->bus->number > morpheus->bus->number) { |
| dev[0] = morpheus; |
| dev[1] = trombone; |
| deviceID[0] = IPS_DEVICEID_MORPHEUS; |
| deviceID[1] = IPS_DEVICEID_COPPERHEAD; |
| } else { |
| /* further detection required */ |
| if (trombone->devfn < morpheus->devfn) { |
| dev[0] = trombone; |
| dev[1] = morpheus; |
| deviceID[0] = IPS_DEVICEID_COPPERHEAD; |
| deviceID[1] = IPS_DEVICEID_MORPHEUS; |
| } else { |
| dev[0] = morpheus; |
| dev[1] = trombone; |
| deviceID[0] = IPS_DEVICEID_MORPHEUS; |
| deviceID[1] = IPS_DEVICEID_COPPERHEAD; |
| } |
| } |
| } |
| |
| /**********************************************************************************/ |
| /* For Kernel Versions 2.4 or greater, use new PCI ( Hot Pluggable ) architecture */ |
| /**********************************************************************************/ |
| |
| #if LINUX_VERSION_CODE >= LinuxVersionCode(2,4,0) |
| #if LINUX_VERSION_CODE < LinuxVersionCode(2,5,0) |
| spin_unlock_irq(&io_request_lock); |
| #endif |
| /* By definition, a Sarasota ( 5i ) Adapter MUST be enumerated first or the */ |
| /* server may not boot properly. The adapters must be enumerated in exactly */ |
| /* the same order as ServeRAID BIOS for the machine to come up properly. */ |
| |
| pci_module_init(&ips_pci_driver_5i); /* Ask for 5i Adapters First */ |
| if (ips_num_controllers) /* If there is a 5i Adapter */ |
| pci_module_init(&ips_pci_driver_i960); /* Get all i960's next */ |
| pci_module_init(&ips_pci_driver); /* Get all remaining Adapters */ |
| /* ( in normal BUS order ) */ |
| #if LINUX_VERSION_CODE < LinuxVersionCode(2,5,0) |
| spin_lock_irq(&io_request_lock); |
| #endif |
| if (ips_num_controllers > 0) |
| register_reboot_notifier(&ips_notifier); |
| |
| return (ips_num_controllers); |
| #endif |
| |
| /* Now scan the controllers */ |
| for (i = 0; i < 2; i++) { |
| if (!dev[i]) |
| break; |
| |
| do { |
| if (ips_next_controller >= IPS_MAX_ADAPTERS) |
| break; |
| |
| #if LINUX_VERSION_CODE >= LinuxVersionCode(2,4,0) |
| if (pci_enable_device(dev[i])) |
| break; |
| #endif |
| |
| /* stuff that we get in dev */ |
| irq = dev[i]->irq; |
| bus = dev[i]->bus->number; |
| func = dev[i]->devfn; |
| |
| /* Init MEM/IO addresses to 0 */ |
| mem_addr = 0; |
| io_addr = 0; |
| mem_len = 0; |
| io_len = 0; |
| |
| for (j = 0; j < 2; j++) { |
| #if LINUX_VERSION_CODE >= LinuxVersionCode(2,4,0) |
| if (!pci_resource_start(dev[i], j)) |
| break; |
| |
| if (pci_resource_flags(dev[i], j) & IORESOURCE_IO) { |
| io_addr = pci_resource_start(dev[i], j); |
| io_len = pci_resource_len(dev[i], j); |
| } else { |
| mem_addr = pci_resource_start(dev[i], j); |
| mem_len = pci_resource_len(dev[i], j); |
| } |
| #else |
| if (!dev[i]->base_address[j]) |
| break; |
| |
| if ((dev[i]->base_address[j] & PCI_BASE_ADDRESS_SPACE) == PCI_BASE_ADDRESS_SPACE_IO) { |
| barnum = PCI_BASE_ADDRESS_0 + (j * 4); |
| io_addr = dev[i]->base_address[j] & PCI_BASE_ADDRESS_IO_MASK; |
| |
| /* Get Size */ |
| pci_read_config_dword(dev[i], barnum, &currbar); |
| pci_write_config_dword(dev[i], barnum, ~0); |
| pci_read_config_dword(dev[i], barnum, &maskbar); |
| pci_write_config_dword(dev[i], barnum, currbar); |
| |
| io_len = ~(maskbar & PCI_BASE_ADDRESS_IO_MASK) + 1; |
| } else { |
| barnum = PCI_BASE_ADDRESS_0 + (j * 4); |
| mem_addr = dev[i]->base_address[j] & PCI_BASE_ADDRESS_MEM_MASK; |
| |
| /* Get Size */ |
| pci_read_config_dword(dev[i], barnum, &currbar); |
| pci_write_config_dword(dev[i], barnum, ~0); |
| pci_read_config_dword(dev[i], barnum, &maskbar); |
| pci_write_config_dword(dev[i], barnum, currbar); |
| |
| mem_len = ~(maskbar & PCI_BASE_ADDRESS_MEM_MASK) + 1; |
| } |
| #endif |
| } |
| |
| /* setup memory mapped area (if applicable) */ |
| if (mem_addr) { |
| uint32_t base; |
| uint32_t offs; |
| |
| DEBUG_VAR(1, "(%s%d) detect, Memory region %x, size: %d", |
| ips_name, ips_next_controller, mem_addr, mem_len); |
| |
| #if LINUX_VERSION_CODE >= LinuxVersionCode(2,4,0) |
| if (check_mem_region(mem_addr, mem_len)) { |
| /* Couldn't allocate io space */ |
| printk(KERN_WARNING "(%s%d) couldn't allocate IO space %x len %d.\n", |
| ips_name, ips_next_controller, io_addr, io_len); |
| |
| ips_next_controller++; |
| |
| continue; |
| } |
| |
| request_mem_region(mem_addr, mem_len, "ips"); |
| #endif |
| |
| base = mem_addr & PAGE_MASK; |
| offs = mem_addr - base; |
| |
| ioremap_ptr = ioremap(base, PAGE_SIZE); |
| mem_ptr = ioremap_ptr + offs; |
| } else { |
| ioremap_ptr = NULL; |
| mem_ptr = NULL; |
| } |
| |
| /* setup I/O mapped area (if applicable) */ |
| if (io_addr) { |
| DEBUG_VAR(1, "(%s%d) detect, IO region %x, size: %d", |
| ips_name, ips_next_controller, io_addr, io_len); |
| |
| if (check_region(io_addr, io_len)) { |
| /* Couldn't allocate io space */ |
| printk(KERN_WARNING "(%s%d) couldn't allocate IO space %x len %d.\n", |
| ips_name, ips_next_controller, io_addr, io_len); |
| |
| ips_next_controller++; |
| |
| continue; |
| } |
| |
| request_region(io_addr, io_len, "ips"); |
| } |
| |
| /* get planer status */ |
| if (pci_read_config_word(dev[i], 0x04, &planer)) { |
| printk(KERN_WARNING "(%s%d) can't get planer status.\n", |
| ips_name, ips_next_controller); |
| |
| ips_next_controller++; |
| |
| continue; |
| } |
| |
| /* check to see if an onboard planer controller is disabled */ |
| if (!(planer & 0x000C)) { |
| |
| DEBUG_VAR(1, "(%s%d) detect, Onboard ServeRAID disabled by BIOS", |
| ips_name, ips_next_controller); |
| |
| ips_next_controller++; |
| |
| continue; |
| } |
| |
| DEBUG_VAR(1, "(%s%d) detect bus %d, func %x, irq %d, io %x, mem: %x, ptr: %p", |
| ips_name, ips_next_controller, bus, func, irq, io_addr, mem_addr, mem_ptr); |
| |
| /* get the revision ID */ |
| if (pci_read_config_byte(dev[i], PCI_REVISION_ID, &revision_id)) { |
| printk(KERN_WARNING "(%s%d) can't get revision id.\n", |
| ips_name, ips_next_controller); |
| |
| ips_next_controller++; |
| |
| continue; |
| } |
| |
| #if LINUX_VERSION_CODE < LinuxVersionCode(2,4,0) |
| /* get the subdevice id */ |
| if (pci_read_config_word(dev[i], PCI_SUBSYSTEM_ID, &subdevice_id)) { |
| printk(KERN_WARNING "(%s%d) can't get subdevice id.\n", |
| ips_name, ips_next_controller); |
| |
| ips_next_controller++; |
| |
| continue; |
| } |
| #else |
| subdevice_id = dev[i]->subsystem_device; |
| #endif |
| |
| /* found a controller */ |
| sh = scsi_register(SHT, sizeof(ips_ha_t)); |
| |
| if (sh == NULL) { |
| printk(KERN_WARNING "(%s%d) Unable to register controller with SCSI subsystem - skipping controller\n", |
| ips_name, ips_next_controller); |
| |
| ips_next_controller++; |
| |
| continue; |
| } |
| |
| ha = IPS_HA(sh); |
| memset(ha, 0, sizeof(ips_ha_t)); |
| |
| /* Initialize spin lock */ |
| spin_lock_init(&ha->scb_lock); |
| spin_lock_init(&ha->copp_lock); |
| spin_lock_init(&ha->ips_lock); |
| spin_lock_init(&ha->copp_waitlist.lock); |
| spin_lock_init(&ha->scb_waitlist.lock); |
| spin_lock_init(&ha->scb_activelist.lock); |
| |
| ips_sh[ips_next_controller] = sh; |
| ips_ha[ips_next_controller] = ha; |
| ips_num_controllers++; |
| ha->active = 1; |
| |
| ha->enq = kmalloc(sizeof(IPS_ENQ), GFP_KERNEL); |
| |
| if (!ha->enq) { |
| printk(KERN_WARNING "(%s%d) Unable to allocate host inquiry structure - skipping contoller\n", |
| ips_name, ips_next_controller); |
| |
| ha->active = 0; |
| ips_free(ha); |
| scsi_unregister(sh); |
| ips_ha[ips_next_controller] = 0; |
| ips_sh[ips_next_controller] = 0; |
| ips_next_controller++; |
| ips_num_controllers--; |
| |
| continue; |
| } |
| |
| ha->adapt = kmalloc(sizeof(IPS_ADAPTER), GFP_KERNEL); |
| |
| if (!ha->adapt) { |
| printk(KERN_WARNING "(%s%d) Unable to allocate host adapt structure - skipping controller\n", |
| ips_name, ips_next_controller); |
| |
| ha->active = 0; |
| ips_free(ha); |
| scsi_unregister(sh); |
| ips_ha[ips_next_controller] = 0; |
| ips_sh[ips_next_controller] = 0; |
| ips_next_controller++; |
| ips_num_controllers--; |
| |
| continue; |
| } |
| |
| ha->conf = kmalloc(sizeof(IPS_CONF), GFP_KERNEL); |
| |
| if (!ha->conf) { |
| printk(KERN_WARNING "(%s%d) Unable to allocate host conf structure - skipping controller\n", |
| ips_name, ips_next_controller); |
| |
| ha->active = 0; |
| ips_free(ha); |
| scsi_unregister(sh); |
| ips_ha[ips_next_controller] = 0; |
| ips_sh[ips_next_controller] = 0; |
| ips_next_controller++; |
| ips_num_controllers--; |
| |
| continue; |
| } |
| |
| ha->nvram = kmalloc(sizeof(IPS_NVRAM_P5), GFP_KERNEL); |
| |
| if (!ha->nvram) { |
| printk(KERN_WARNING "(%s%d) Unable to allocate host nvram structure - skipping controller\n", |
| ips_name, ips_next_controller); |
| |
| ha->active = 0; |
| ips_free(ha); |
| scsi_unregister(sh); |
| ips_ha[ips_next_controller] = 0; |
| ips_sh[ips_next_controller] = 0; |
| ips_next_controller++; |
| ips_num_controllers--; |
| |
| continue; |
| } |
| |
| ha->subsys = kmalloc(sizeof(IPS_SUBSYS), GFP_KERNEL); |
| |
| if (!ha->subsys) { |
| printk(KERN_WARNING "(%s%d) Unable to allocate host subsystem structure - skipping controller\n", |
| ips_name, ips_next_controller); |
| |
| ha->active = 0; |
| ips_free(ha); |
| scsi_unregister(sh); |
| ips_ha[ips_next_controller] = 0; |
| ips_sh[ips_next_controller] = 0; |
| ips_next_controller++; |
| ips_num_controllers--; |
| |
| continue; |
| } |
| |
| ha->dummy = kmalloc(sizeof(IPS_IO_CMD), GFP_KERNEL); |
| |
| if (!ha->dummy) { |
| printk(KERN_WARNING "(%s%d) Unable to allocate host dummy structure - skipping controller\n", |
| ips_name, ips_next_controller); |
| |
| ha->active = 0; |
| ips_free(ha); |
| scsi_unregister(sh); |
| ips_ha[ips_next_controller] = 0; |
| ips_sh[ips_next_controller] = 0; |
| ips_next_controller++; |
| ips_num_controllers--; |
| |
| continue; |
| } |
| |
| for (count = PAGE_SIZE, ha->ioctl_order = 0; |
| count < ips_ioctlsize; |
| ha->ioctl_order++, count <<= 1); |
| |
| ha->ioctl_data = (char *) __get_free_pages(GFP_KERNEL, ha->ioctl_order); |
| ha->ioctl_datasize = count; |
| |
| if (!ha->ioctl_data) { |
| printk(KERN_WARNING "(%s%d) Unable to allocate ioctl data\n", |
| ips_name, ips_next_controller); |
| |
| ha->ioctl_data = NULL; |
| ha->ioctl_order = 0; |
| ha->ioctl_datasize = 0; |
| } |
| |
| /* Store away needed values for later use */ |
| sh->io_port = io_addr; |
| sh->n_io_port = io_addr ? 255 : 0; |
| sh->unique_id = (io_addr) ? io_addr : mem_addr; |
| sh->irq = irq; |
| sh->select_queue_depths = ips_select_queue_depth; |
| sh->sg_tablesize = sh->hostt->sg_tablesize; |
| sh->can_queue = sh->hostt->can_queue; |
| sh->cmd_per_lun = sh->hostt->cmd_per_lun; |
| sh->unchecked_isa_dma = sh->hostt->unchecked_isa_dma; |
| sh->use_clustering = sh->hostt->use_clustering; |
| |
| #if LINUX_VERSION_CODE >= LinuxVersionCode(2,4,7) |
| sh->max_sectors = 128; |
| #endif |
| |
| #if LINUX_VERSION_CODE < LinuxVersionCode(2,4,0) |
| sh->wish_block = FALSE; |
| #endif |
| |
| /* Store info in HA structure */ |
| ha->irq = irq; |
| ha->io_addr = io_addr; |
| ha->io_len = io_len; |
| ha->mem_addr = mem_addr; |
| ha->mem_len = mem_len; |
| ha->mem_ptr = mem_ptr; |
| ha->ioremap_ptr = ioremap_ptr; |
| ha->host_num = ips_next_controller; |
| ha->revision_id = revision_id; |
| ha->slot_num = PCI_SLOT(dev[i]->devfn); |
| ha->device_id = deviceID[i]; |
| ha->subdevice_id = subdevice_id; |
| ha->pcidev = dev[i]; |
| |
| /* |
| * Setup Functions |
| */ |
| if (IPS_IS_MORPHEUS(ha)) { |
| /* morpheus */ |
| ha->func.isintr = ips_isintr_morpheus; |
| ha->func.isinit = ips_isinit_morpheus; |
| ha->func.issue = ips_issue_i2o_memio; |
| ha->func.init = ips_init_morpheus; |
| ha->func.statupd = ips_statupd_morpheus; |
| ha->func.reset = ips_reset_morpheus; |
| ha->func.intr = ips_intr_morpheus; |
| ha->func.enableint = ips_enable_int_morpheus; |
| } else if (IPS_USE_MEMIO(ha)) { |
| /* copperhead w/MEMIO */ |
| ha->func.isintr = ips_isintr_copperhead_memio; |
| ha->func.isinit = ips_isinit_copperhead_memio; |
| ha->func.init = ips_init_copperhead_memio; |
| ha->func.statupd = ips_statupd_copperhead_memio; |
| ha->func.statinit = ips_statinit_memio; |
| ha->func.reset = ips_reset_copperhead_memio; |
| ha->func.intr = ips_intr_copperhead; |
| ha->func.erasebios = ips_erase_bios_memio; |
| ha->func.programbios = ips_program_bios_memio; |
| ha->func.verifybios = ips_verify_bios_memio; |
| ha->func.enableint = ips_enable_int_copperhead_memio; |
| |
| if (IPS_USE_I2O_DELIVER(ha)) |
| ha->func.issue = ips_issue_i2o_memio; |
| else |
| ha->func.issue = ips_issue_copperhead_memio; |
| } else { |
| /* copperhead */ |
| ha->func.isintr = ips_isintr_copperhead; |
| ha->func.isinit = ips_isinit_copperhead; |
| ha->func.init = ips_init_copperhead; |
| ha->func.statupd = ips_statupd_copperhead; |
| ha->func.statinit = ips_statinit; |
| ha->func.reset = ips_reset_copperhead; |
| ha->func.intr = ips_intr_copperhead; |
| ha->func.erasebios = ips_erase_bios; |
| ha->func.programbios = ips_program_bios; |
| ha->func.verifybios = ips_verify_bios; |
| ha->func.enableint = ips_enable_int_copperhead; |
| |
| if (IPS_USE_I2O_DELIVER(ha)) |
| ha->func.issue = ips_issue_i2o; |
| else |
| ha->func.issue = ips_issue_copperhead; |
| } |
| |
| /* |
| * Initialize the card if it isn't already |
| */ |
| |
| if (!(*ha->func.isinit)(ha)) { |
| if (!(*ha->func.init)(ha)) { |
| /* |
| * Initialization failed |
| */ |
| printk(KERN_WARNING "(%s%d) unable to initialize controller - skipping controller\n", |
| ips_name, ips_next_controller); |
| |
| ha->active = 0; |
| ips_free(ha); |
| scsi_unregister(sh); |
| ips_ha[ips_next_controller] = 0; |
| ips_sh[ips_next_controller] = 0; |
| ips_next_controller++; |
| ips_num_controllers--; |
| |
| continue; |
| } |
| } |
| |
| /* install the interrupt handler */ |
| if (request_irq(irq, do_ipsintr, SA_SHIRQ, ips_name, ha)) { |
| printk(KERN_WARNING "(%s%d) unable to install interrupt handler - skipping controller\n", |
| ips_name, ips_next_controller); |
| |
| ha->active = 0; |
| ips_free(ha); |
| scsi_unregister(sh); |
| ips_ha[ips_next_controller] = 0; |
| ips_sh[ips_next_controller] = 0; |
| ips_next_controller++; |
| ips_num_controllers--; |
| |
| continue; |
| } |
| |
| /* |
| * Allocate a temporary SCB for initialization |
| */ |
| ha->max_cmds = 1; |
| if (!ips_allocatescbs(ha)) { |
| /* couldn't allocate a temp SCB */ |
| printk(KERN_WARNING "(%s%d) unable to allocate CCBs - skipping contoller\n", |
| ips_name, ips_next_controller); |
| |
| ha->active = 0; |
| ips_free(ha); |
| scsi_unregister(sh); |
| ips_ha[ips_next_controller] = 0; |
| ips_sh[ips_next_controller] = 0; |
| free_irq(ha->irq, ha); |
| ips_next_controller++; |
| ips_num_controllers--; |
| |
| continue; |
| } |
| |
| ips_next_controller++; |
| } while ((dev[i] = pci_find_device(IPS_VENDORID, deviceID[i], dev[i]))); |
| } |
| |
| /* |
| * Do Phase 2 Initialization |
| * Controller init |
| */ |
| for (i = 0; i < ips_next_controller; i++) { |
| |
| if (ips_ha[i] == 0) { |
| printk(KERN_WARNING "(%s%d) ignoring bad controller\n", ips_name, i); |
| continue; |
| } |
| |
| if (ips_init_phase2(i) != SUCCESS) |
| ips_num_controllers--; |
| |
| } |
| |
| if (ips_num_controllers > 0) |
| register_reboot_notifier(&ips_notifier); |
| |
| return (ips_num_controllers); |
| |
| #else |
| |
| /* No PCI -- No ServeRAID */ |
| return (0); |
| #endif /* CONFIG_PCI */ |
| } |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: ips_release */ |
| /* */ |
| /* Routine Description: */ |
| /* */ |
| /* Remove a driver */ |
| /* */ |
| /****************************************************************************/ |
| int |
| ips_release(struct Scsi_Host *sh) { |
| ips_scb_t *scb; |
| ips_ha_t *ha; |
| int i; |
| |
| METHOD_TRACE("ips_release", 1); |
| |
| for (i = 0; i < IPS_MAX_ADAPTERS && ips_sh[i] != sh; i++); |
| |
| if (i == IPS_MAX_ADAPTERS) { |
| printk(KERN_WARNING "(%s) release, invalid Scsi_Host pointer.\n", |
| ips_name); |
| #if LINUX_VERSION_CODE >= LinuxVersionCode(2,4,0) |
| BUG(); |
| #endif |
| return (FALSE); |
| } |
| |
| ha = IPS_HA(sh); |
| |
| if (!ha) |
| return (FALSE); |
| |
| /* flush the cache on the controller */ |
| scb = &ha->scbs[ha->max_cmds-1]; |
| |
| ips_init_scb(ha, scb); |
| |
| scb->timeout = ips_cmd_timeout; |
| scb->cdb[0] = IPS_CMD_FLUSH; |
| |
| scb->cmd.flush_cache.op_code = IPS_CMD_FLUSH; |
| scb->cmd.flush_cache.command_id = IPS_COMMAND_ID(ha, scb); |
| scb->cmd.flush_cache.state = IPS_NORM_STATE; |
| scb->cmd.flush_cache.reserved = 0; |
| scb->cmd.flush_cache.reserved2 = 0; |
| scb->cmd.flush_cache.reserved3 = 0; |
| scb->cmd.flush_cache.reserved4 = 0; |
| |
| printk(KERN_NOTICE "(%s%d) Flushing Cache.\n", ips_name, ha->host_num); |
| |
| /* send command */ |
| if (ips_send_wait(ha, scb, ips_cmd_timeout, IPS_INTR_ON) == IPS_FAILURE) |
| printk(KERN_NOTICE "(%s%d) Incomplete Flush.\n", ips_name, ha->host_num); |
| |
| printk(KERN_NOTICE "(%s%d) Flushing Complete.\n", ips_name, ha->host_num); |
| |
| ips_sh[i] = NULL; |
| ips_ha[i] = NULL; |
| |
| /* free extra memory */ |
| ips_free(ha); |
| |
| /* Free I/O Region */ |
| if (ha->io_addr) |
| release_region(ha->io_addr, ha->io_len); |
| |
| /* free IRQ */ |
| free_irq(ha->irq, ha); |
| |
| scsi_unregister(sh); |
| |
| ips_released_controllers++; |
| |
| if (ips_num_controllers == ips_released_controllers){ |
| unregister_reboot_notifier(&ips_notifier); |
| pci_unregister_driver(&ips_pci_driver); |
| } |
| return (FALSE); |
| } |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: ips_halt */ |
| /* */ |
| /* Routine Description: */ |
| /* */ |
| /* Perform cleanup when the system reboots */ |
| /* */ |
| /****************************************************************************/ |
| static int |
| ips_halt(struct notifier_block *nb, ulong event, void *buf) { |
| ips_scb_t *scb; |
| ips_ha_t *ha; |
| int i; |
| |
| if ((event != SYS_RESTART) && (event != SYS_HALT) && |
| (event != SYS_POWER_OFF)) |
| return (NOTIFY_DONE); |
| |
| for (i = 0; i < ips_next_controller; i++) { |
| ha = (ips_ha_t *) ips_ha[i]; |
| |
| if (!ha) |
| continue; |
| |
| if (!ha->active) |
| continue; |
| |
| /* flush the cache on the controller */ |
| scb = &ha->scbs[ha->max_cmds-1]; |
| |
| ips_init_scb(ha, scb); |
| |
| scb->timeout = ips_cmd_timeout; |
| scb->cdb[0] = IPS_CMD_FLUSH; |
| |
| scb->cmd.flush_cache.op_code = IPS_CMD_FLUSH; |
| scb->cmd.flush_cache.command_id = IPS_COMMAND_ID(ha, scb); |
| scb->cmd.flush_cache.state = IPS_NORM_STATE; |
| scb->cmd.flush_cache.reserved = 0; |
| scb->cmd.flush_cache.reserved2 = 0; |
| scb->cmd.flush_cache.reserved3 = 0; |
| scb->cmd.flush_cache.reserved4 = 0; |
| |
| printk(KERN_NOTICE "(%s%d) Flushing Cache.\n", ips_name, ha->host_num); |
| |
| /* send command */ |
| if (ips_send_wait(ha, scb, ips_cmd_timeout, IPS_INTR_ON) == IPS_FAILURE) |
| printk(KERN_NOTICE "(%s%d) Incomplete Flush.\n", ips_name, ha->host_num); |
| else |
| printk(KERN_NOTICE "(%s%d) Flushing Complete.\n", ips_name, ha->host_num); |
| } |
| |
| return (NOTIFY_OK); |
| } |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: ips_eh_abort */ |
| /* */ |
| /* Routine Description: */ |
| /* */ |
| /* Abort a command (using the new error code stuff) */ |
| /* */ |
| /****************************************************************************/ |
| int |
| ips_eh_abort(Scsi_Cmnd *SC) { |
| ips_ha_t *ha; |
| ips_copp_wait_item_t *item; |
| |
| METHOD_TRACE("ips_eh_abort", 1); |
| |
| if (!SC) |
| return (FAILED); |
| |
| ha = (ips_ha_t *) SC->host->hostdata; |
| |
| if (!ha) |
| return (FAILED); |
| |
| if (!ha->active) |
| return (FAILED); |
| |
| if (SC->serial_number != SC->serial_number_at_timeout) { |
| /* HMM, looks like a bogus command */ |
| DEBUG(1, "Abort called with bogus scsi command"); |
| |
| return (FAILED); |
| } |
| |
| if (test_and_set_bit(IPS_IN_ABORT, &ha->flags)) |
| return (FAILED); |
| |
| /* See if the command is on the copp queue */ |
| IPS_QUEUE_LOCK(&ha->copp_waitlist); |
| item = ha->copp_waitlist.head; |
| while ((item) && (item->scsi_cmd != SC)) |
| item = item->next; |
| IPS_QUEUE_UNLOCK(&ha->copp_waitlist); |
| |
| if (item) { |
| /* Found it */ |
| ips_removeq_copp(&ha->copp_waitlist, item); |
| clear_bit(IPS_IN_ABORT, &ha->flags); |
| |
| return (SUCCESS); |
| } |
| |
| /* See if the command is on the wait queue */ |
| if (ips_removeq_wait(&ha->scb_waitlist, SC)) { |
| /* command not sent yet */ |
| clear_bit(IPS_IN_ABORT, &ha->flags); |
| |
| return (SUCCESS); |
| } else { |
| /* command must have already been sent */ |
| clear_bit(IPS_IN_ABORT, &ha->flags); |
| |
| return (FAILED); |
| } |
| } |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: ips_eh_reset */ |
| /* */ |
| /* Routine Description: */ |
| /* */ |
| /* Reset the controller (with new eh error code) */ |
| /* */ |
| /* NOTE: this routine is called under the io_request_lock spinlock */ |
| /* */ |
| /****************************************************************************/ |
| int |
| ips_eh_reset(Scsi_Cmnd *SC) { |
| int ret; |
| int i; |
| ips_ha_t *ha; |
| ips_scb_t *scb; |
| ips_copp_wait_item_t *item; |
| unsigned long cpu_flags; |
| |
| METHOD_TRACE("ips_eh_reset", 1); |
| |
| #ifdef NO_IPS_RESET |
| return (FAILED); |
| #else |
| |
| if (!SC) { |
| DEBUG(1, "Reset called with NULL scsi command"); |
| |
| return (FAILED); |
| } |
| |
| ha = (ips_ha_t *) SC->host->hostdata; |
| |
| if (!ha) { |
| DEBUG(1, "Reset called with NULL ha struct"); |
| |
| return (FAILED); |
| } |
| |
| if (!ha->active) |
| return (FAILED); |
| |
| if (test_and_set_bit(IPS_IN_RESET, &ha->flags)) |
| return (FAILED); |
| |
| /* See if the command is on the copp queue */ |
| IPS_QUEUE_LOCK(&ha->copp_waitlist); |
| item = ha->copp_waitlist.head; |
| while ((item) && (item->scsi_cmd != SC)) |
| item = item->next; |
| IPS_QUEUE_UNLOCK(&ha->copp_waitlist); |
| |
| if (item) { |
| /* Found it */ |
| ips_removeq_copp(&ha->copp_waitlist, item); |
| clear_bit(IPS_IN_RESET, &ha->flags); |
| |
| return (SUCCESS); |
| } |
| |
| /* See if the command is on the wait queue */ |
| if (ips_removeq_wait(&ha->scb_waitlist, SC)) { |
| /* command not sent yet */ |
| clear_bit(IPS_IN_RESET, &ha->flags); |
| |
| return (SUCCESS); |
| } |
| |
| /* An explanation for the casual observer: */ |
| /* Part of the function of a RAID controller is automatic error */ |
| /* detection and recovery. As such, the only problem that physically */ |
| /* resetting a ServeRAID adapter will ever fix is when, for some reason,*/ |
| /* the driver is not successfully communicating with the adapter. */ |
| /* Therefore, we will attempt to flush this adapter. If that succeeds, */ |
| /* then there's no real purpose in a physical reset. This will complete */ |
| /* much faster and avoids any problems that might be caused by a */ |
| /* physical reset ( such as having to fail all the outstanding I/O's ). */ |
| |
| if (ha->ioctl_reset == 0) { /* IF Not an IOCTL Requested Reset */ |
| scb = &ha->scbs[ha->max_cmds-1]; |
| |
| ips_init_scb(ha, scb); |
| |
| scb->timeout = ips_cmd_timeout; |
| scb->cdb[0] = IPS_CMD_FLUSH; |
| |
| scb->cmd.flush_cache.op_code = IPS_CMD_FLUSH; |
| scb->cmd.flush_cache.command_id = IPS_COMMAND_ID(ha, scb); |
| scb->cmd.flush_cache.state = IPS_NORM_STATE; |
| scb->cmd.flush_cache.reserved = 0; |
| scb->cmd.flush_cache.reserved2 = 0; |
| scb->cmd.flush_cache.reserved3 = 0; |
| scb->cmd.flush_cache.reserved4 = 0; |
| |
| /* Attempt the flush command */ |
| ret = ips_send_wait(ha, scb, ips_cmd_timeout, IPS_INTR_IORL); |
| if (ret == IPS_SUCCESS) { |
| printk(KERN_NOTICE "(%s%d) Reset Request - Flushed Cache\n", ips_name, ha->host_num); |
| clear_bit(IPS_IN_RESET, &ha->flags); |
| return (SUCCESS); |
| } |
| } |
| |
| /* Either we can't communicate with the adapter or it's an IOCTL request */ |
| /* from a ServeRAID utility. A physical reset is needed at this point. */ |
| |
| ha->ioctl_reset = 0; /* Reset the IOCTL Requested Reset Flag */ |
| |
| /* |
| * command must have already been sent |
| * reset the controller |
| */ |
| printk(KERN_NOTICE "(%s%d) Resetting controller.\n", |
| ips_name, ha->host_num); |
| ret = (*ha->func.reset)(ha); |
| |
| if (!ret) { |
| Scsi_Cmnd *scsi_cmd; |
| |
| printk(KERN_NOTICE |
| "(%s%d) Controller reset failed - controller now offline.\n", |
| ips_name, ha->host_num); |
| |
| /* Now fail all of the active commands */ |
| DEBUG_VAR(1, "(%s%d) Failing active commands", |
| ips_name, ha->host_num); |
| |
| while ((scb = ips_removeq_scb_head(&ha->scb_activelist))) { |
| scb->scsi_cmd->result = DID_ERROR << 16; |
| scb->scsi_cmd->scsi_done(scb->scsi_cmd); |
| ips_freescb(ha, scb); |
| } |
| |
| /* Now fail all of the pending commands */ |
| DEBUG_VAR(1, "(%s%d) Failing pending commands", |
| ips_name, ha->host_num); |
| |
| while ((scsi_cmd = ips_removeq_wait_head(&ha->scb_waitlist))) { |
| scsi_cmd->result = DID_ERROR; |
| scsi_cmd->scsi_done(scsi_cmd); |
| } |
| |
| ha->active = FALSE; |
| clear_bit(IPS_IN_RESET, &ha->flags); |
| |
| return (FAILED); |
| } |
| |
| if (!ips_clear_adapter(ha, IPS_INTR_IORL)) { |
| Scsi_Cmnd *scsi_cmd; |
| |
| printk(KERN_NOTICE |
| "(%s%d) Controller reset failed - controller now offline.\n", |
| ips_name, ha->host_num); |
| |
| /* Now fail all of the active commands */ |
| DEBUG_VAR(1, "(%s%d) Failing active commands", |
| ips_name, ha->host_num); |
| |
| while ((scb = ips_removeq_scb_head(&ha->scb_activelist))) { |
| scb->scsi_cmd->result = DID_ERROR << 16; |
| scb->scsi_cmd->scsi_done(scb->scsi_cmd); |
| ips_freescb(ha, scb); |
| } |
| |
| /* Now fail all of the pending commands */ |
| DEBUG_VAR(1, "(%s%d) Failing pending commands", |
| ips_name, ha->host_num); |
| |
| while ((scsi_cmd = ips_removeq_wait_head(&ha->scb_waitlist))) { |
| scsi_cmd->result = DID_ERROR << 16; |
| scsi_cmd->scsi_done(scsi_cmd); |
| } |
| |
| ha->active = FALSE; |
| clear_bit(IPS_IN_RESET, &ha->flags); |
| |
| return (FAILED); |
| } |
| |
| /* FFDC */ |
| if (le32_to_cpu(ha->subsys->param[3]) & 0x300000) { |
| struct timeval tv; |
| |
| do_gettimeofday(&tv); |
| IPS_HA_LOCK(cpu_flags); |
| ha->last_ffdc = tv.tv_sec; |
| ha->reset_count++; |
| IPS_HA_UNLOCK(cpu_flags); |
| ips_ffdc_reset(ha, IPS_INTR_IORL); |
| } |
| |
| /* Now fail all of the active commands */ |
| DEBUG_VAR(1, "(%s%d) Failing active commands", |
| ips_name, ha->host_num); |
| |
| while ((scb = ips_removeq_scb_head(&ha->scb_activelist))) { |
| scb->scsi_cmd->result = (DID_RESET << 16) | (SUGGEST_RETRY << 24); |
| scb->scsi_cmd->scsi_done(scb->scsi_cmd); |
| ips_freescb(ha, scb); |
| } |
| |
| /* Reset DCDB active command bits */ |
| for (i = 1; i < ha->nbus; i++) |
| ha->dcdb_active[i-1] = 0; |
| |
| /* Reset the number of active IOCTLs */ |
| IPS_HA_LOCK(cpu_flags); |
| ha->num_ioctl = 0; |
| IPS_HA_UNLOCK(cpu_flags); |
| |
| clear_bit(IPS_IN_RESET, &ha->flags); |
| |
| if (!test_bit(IPS_IN_INTR, &ha->flags)) { |
| /* |
| * Only execute the next command when |
| * we are not being called from the |
| * interrupt handler. The interrupt |
| * handler wants to do this and since |
| * interrupts are turned off here.... |
| */ |
| ips_next(ha, IPS_INTR_IORL); |
| } |
| |
| return (SUCCESS); |
| |
| #endif /* NO_IPS_RESET */ |
| |
| } |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: ips_queue */ |
| /* */ |
| /* Routine Description: */ |
| /* */ |
| /* Send a command to the controller */ |
| /* */ |
| /* NOTE: */ |
| /* Linux obtains io_request_lock before calling this function */ |
| /* */ |
| /****************************************************************************/ |
| int |
| ips_queue(Scsi_Cmnd *SC, void (*done) (Scsi_Cmnd *)) { |
| ips_ha_t *ha; |
| unsigned long cpu_flags; |
| ips_passthru_t *pt; |
| |
| METHOD_TRACE("ips_queue", 1); |
| |
| ha = (ips_ha_t *) SC->host->hostdata; |
| |
| if (!ha) |
| return (1); |
| |
| if (!ha->active) |
| return (DID_ERROR); |
| |
| if (ips_is_passthru(SC)) { |
| IPS_QUEUE_LOCK(&ha->copp_waitlist); |
| if (ha->copp_waitlist.count == IPS_MAX_IOCTL_QUEUE) { |
| IPS_QUEUE_UNLOCK(&ha->copp_waitlist); |
| SC->result = DID_BUS_BUSY << 16; |
| done(SC); |
| |
| return (0); |
| } else { |
| IPS_QUEUE_UNLOCK(&ha->copp_waitlist); |
| } |
| } else { |
| IPS_QUEUE_LOCK(&ha->scb_waitlist); |
| if (ha->scb_waitlist.count == IPS_MAX_QUEUE) { |
| IPS_QUEUE_UNLOCK(&ha->scb_waitlist); |
| SC->result = DID_BUS_BUSY << 16; |
| done(SC); |
| |
| return (0); |
| } else { |
| IPS_QUEUE_UNLOCK(&ha->scb_waitlist); |
| } |
| |
| } |
| |
| SC->scsi_done = done; |
| |
| DEBUG_VAR(2, "(%s%d): ips_queue: cmd 0x%X (%d %d %d)", |
| ips_name, |
| ha->host_num, |
| SC->cmnd[0], |
| SC->channel, |
| SC->target, |
| SC->lun); |
| |
| /* Check for command to initiator IDs */ |
| if ((SC->channel > 0) && (SC->target == ha->ha_id[SC->channel])) { |
| SC->result = DID_NO_CONNECT << 16; |
| done(SC); |
| |
| return (0); |
| } |
| |
| if (ips_is_passthru(SC)) { |
| |
| ips_copp_wait_item_t *scratch; |
| |
| /* A Reset IOCTL is only sent by the ServeRAID boot CD in extreme cases. */ |
| /* There can never be any system activity ( network or disk ), but check */ |
| /* anyway just as a good practice. */ |
| pt = (ips_passthru_t *) SC->request_buffer; |
| if ((pt->CoppCP.cmd.reset.op_code == IPS_CMD_RESET_CHANNEL) && |
| (pt->CoppCP.cmd.reset.adapter_flag == 1)) { |
| if (ha->scb_activelist.count != 0) { |
| SC->result = DID_BUS_BUSY << 16; |
| done(SC); |
| return (0); |
| } |
| ha->ioctl_reset = 1; /* This reset request is from an IOCTL */ |
| ips_eh_reset(SC); |
| SC->result = DID_OK << 16; |
| SC->scsi_done(SC); |
| return (0); |
| } |
| |
| /* allocate space for the scribble */ |
| scratch = kmalloc(sizeof(ips_copp_wait_item_t), GFP_ATOMIC); |
| |
| if (!scratch) { |
| SC->result = DID_ERROR << 16; |
| done(SC); |
| |
| return (0); |
| } |
| |
| scratch->scsi_cmd = SC; |
| sema_init(&ha->ioctl_sem, 0); |
| scratch->sem = &ha->ioctl_sem; |
| scratch->next = NULL; |
| |
| ips_putq_copp_tail(&ha->copp_waitlist, scratch); |
| } |
| else |
| ips_putq_wait_tail(&ha->scb_waitlist, SC); |
| |
| if(ha->scb_waitlist.count + ha->scb_activelist.count > 32) |
| mod_timer(&SC->eh_timeout, jiffies + 120 * HZ); |
| |
| IPS_HA_LOCK(cpu_flags); |
| if ((!test_bit(IPS_IN_INTR, &ha->flags)) && |
| (!test_bit(IPS_IN_ABORT, &ha->flags)) && |
| (!test_bit(IPS_IN_RESET, &ha->flags))) { |
| IPS_HA_UNLOCK(cpu_flags); |
| ips_next(ha, IPS_INTR_IORL); |
| } else { |
| IPS_HA_UNLOCK(cpu_flags); |
| } |
| |
| /* If We were using the CD Boot Flash Buffer, Restore the Old Values */ |
| if ( ips_FlashData == ha->ioctl_data ) { |
| ha->ioctl_data = ha->flash_data; |
| ha->ioctl_order = ha->flash_order; |
| ha->ioctl_datasize = ha->flash_datasize; |
| ips_FlashDataInUse = 0; |
| } |
| return (0); |
| } |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: ips_biosparam */ |
| /* */ |
| /* Routine Description: */ |
| /* */ |
| /* Set bios geometry for the controller */ |
| /* */ |
| /****************************************************************************/ |
| int |
| ips_biosparam(Disk *disk, kdev_t dev, int geom[]) { |
| ips_ha_t *ha; |
| int heads; |
| int sectors; |
| int cylinders; |
| |
| METHOD_TRACE("ips_biosparam", 1); |
| |
| ha = (ips_ha_t *) disk->device->host->hostdata; |
| |
| if (!ha) |
| /* ?!?! host adater info invalid */ |
| return (0); |
| |
| if (!ha->active) |
| return (0); |
| |
| if (!ips_read_adapter_status(ha, IPS_INTR_ON)) |
| /* ?!?! Enquiry command failed */ |
| return (0); |
| |
| if ((disk->capacity > 0x400000) && |
| ((ha->enq->ucMiscFlag & 0x8) == 0)) { |
| heads = IPS_NORM_HEADS; |
| sectors = IPS_NORM_SECTORS; |
| } else { |
| heads = IPS_COMP_HEADS; |
| sectors = IPS_COMP_SECTORS; |
| } |
| |
| cylinders = disk->capacity / (heads * sectors); |
| |
| DEBUG_VAR(2, "Geometry: heads: %d, sectors: %d, cylinders: %d", |
| heads, sectors, cylinders); |
| |
| geom[0] = heads; |
| geom[1] = sectors; |
| geom[2] = cylinders; |
| |
| return (0); |
| } |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: ips_select_queue_depth */ |
| /* */ |
| /* Routine Description: */ |
| /* */ |
| /* Select queue depths for the devices on the contoller */ |
| /* */ |
| /****************************************************************************/ |
| static void |
| ips_select_queue_depth(struct Scsi_Host *host, Scsi_Device *scsi_devs) { |
| Scsi_Device *device; |
| ips_ha_t *ha; |
| int count = 0; |
| int min; |
| |
| ha = IPS_HA(host); |
| min = ha->max_cmds / 4; |
| |
| for (device = scsi_devs; device; device = device->next) { |
| if (device->host == host) { |
| if ((device->channel == 0) && (device->type == 0)) |
| count++; |
| } |
| } |
| |
| for (device = scsi_devs; device; device = device->next) { |
| if (device->host == host) { |
| if ((device->channel == 0) && (device->type == 0)) { |
| device->queue_depth = ( ha->max_cmds - 1 ) / count; |
| if (device->queue_depth < min) |
| device->queue_depth = min; |
| } |
| else { |
| device->queue_depth = 2; |
| } |
| |
| if (device->queue_depth < 2) |
| device->queue_depth = 2; |
| } |
| } |
| } |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: do_ipsintr */ |
| /* */ |
| /* Routine Description: */ |
| /* */ |
| /* Wrapper for the interrupt handler */ |
| /* */ |
| /****************************************************************************/ |
| void |
| do_ipsintr(int irq, void *dev_id, struct pt_regs *regs) { |
| ips_ha_t *ha; |
| unsigned long cpu_flags; |
| struct Scsi_Host *host; |
| |
| METHOD_TRACE("do_ipsintr", 2); |
| |
| ha = (ips_ha_t *) dev_id; |
| if (!ha) |
| return; |
| host = ips_sh[ha->host_num]; |
| IPS_LOCK_SAVE(host->host_lock, cpu_flags); |
| |
| if (test_and_set_bit(IPS_IN_INTR, &ha->flags)) { |
| IPS_UNLOCK_RESTORE(host->host_lock, cpu_flags); |
| return ; |
| } |
| |
| if (!ha->active) { |
| clear_bit(IPS_IN_INTR, &ha->flags); |
| IPS_UNLOCK_RESTORE(host->host_lock, cpu_flags); |
| return; |
| } |
| |
| (*ha->func.intr)(ha); |
| |
| clear_bit(IPS_IN_INTR, &ha->flags); |
| IPS_UNLOCK_RESTORE(host->host_lock, cpu_flags); |
| |
| /* start the next command */ |
| ips_next(ha, IPS_INTR_ON); |
| } |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: ips_intr_copperhead */ |
| /* */ |
| /* Routine Description: */ |
| /* */ |
| /* Polling interrupt handler */ |
| /* */ |
| /* ASSUMES interrupts are disabled */ |
| /* */ |
| /****************************************************************************/ |
| void |
| ips_intr_copperhead(ips_ha_t *ha) { |
| ips_stat_t *sp; |
| ips_scb_t *scb; |
| IPS_STATUS cstatus; |
| int intrstatus; |
| unsigned long cpu_flags; |
| |
| METHOD_TRACE("ips_intr", 2); |
| |
| if (!ha) |
| return; |
| |
| if (!ha->active) |
| return; |
| |
| IPS_HA_LOCK(cpu_flags); |
| |
| intrstatus = (*ha->func.isintr)(ha); |
| |
| if (!intrstatus) { |
| /* |
| * Unexpected/Shared interrupt |
| */ |
| IPS_HA_UNLOCK(cpu_flags); |
| |
| return; |
| } |
| |
| while (TRUE) { |
| sp = &ha->sp; |
| |
| intrstatus = (*ha->func.isintr)(ha); |
| |
| if (!intrstatus) |
| break; |
| else |
| cstatus.value = (*ha->func.statupd)(ha); |
| |
| if (cstatus.fields.command_id > (IPS_MAX_CMDS - 1)) { |
| /* Spurious Interupt ? */ |
| continue; |
| } |
| |
| ips_chkstatus(ha, &cstatus); |
| scb = (ips_scb_t *) sp->scb_addr; |
| |
| /* |
| * use the callback function to finish things up |
| * NOTE: interrupts are OFF for this |
| */ |
| IPS_HA_UNLOCK(cpu_flags); |
| (*scb->callback) (ha, scb); |
| IPS_HA_LOCK(cpu_flags); |
| } /* end while */ |
| |
| IPS_HA_UNLOCK(cpu_flags); |
| } |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: ips_intr_morpheus */ |
| /* */ |
| /* Routine Description: */ |
| /* */ |
| /* Polling interrupt handler */ |
| /* */ |
| /* ASSUMES interrupts are disabled */ |
| /* */ |
| /****************************************************************************/ |
| void |
| ips_intr_morpheus(ips_ha_t *ha) { |
| ips_stat_t *sp; |
| ips_scb_t *scb; |
| IPS_STATUS cstatus; |
| int intrstatus; |
| unsigned long cpu_flags; |
| |
| METHOD_TRACE("ips_intr_morpheus", 2); |
| |
| if (!ha) |
| return; |
| |
| if (!ha->active) |
| return; |
| |
| IPS_HA_LOCK(cpu_flags); |
| |
| intrstatus = (*ha->func.isintr)(ha); |
| |
| if (!intrstatus) { |
| /* |
| * Unexpected/Shared interrupt |
| */ |
| IPS_HA_UNLOCK(cpu_flags); |
| |
| return; |
| } |
| |
| while (TRUE) { |
| sp = &ha->sp; |
| |
| intrstatus = (*ha->func.isintr)(ha); |
| |
| if (!intrstatus) |
| break; |
| else |
| cstatus.value = (*ha->func.statupd)(ha); |
| |
| if (cstatus.value == 0xffffffff) |
| /* No more to process */ |
| break; |
| |
| if (cstatus.fields.command_id > (IPS_MAX_CMDS - 1)) { |
| printk(KERN_WARNING "(%s%d) Spurious interrupt; no ccb.\n", |
| ips_name, ha->host_num); |
| |
| continue; |
| } |
| |
| ips_chkstatus(ha, &cstatus); |
| scb = (ips_scb_t *) sp->scb_addr; |
| |
| /* |
| * use the callback function to finish things up |
| * NOTE: interrupts are OFF for this |
| */ |
| IPS_HA_UNLOCK(cpu_flags); |
| (*scb->callback) (ha, scb); |
| IPS_HA_LOCK(cpu_flags); |
| } /* end while */ |
| |
| IPS_HA_UNLOCK(cpu_flags); |
| } |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: ips_info */ |
| /* */ |
| /* Routine Description: */ |
| /* */ |
| /* Return info about the driver */ |
| /* */ |
| /****************************************************************************/ |
| const char * |
| ips_info(struct Scsi_Host *SH) { |
| static char buffer[256]; |
| char *bp; |
| ips_ha_t *ha; |
| |
| METHOD_TRACE("ips_info", 1); |
| |
| ha = IPS_HA(SH); |
| |
| if (!ha) |
| return (NULL); |
| |
| bp = &buffer[0]; |
| memset(bp, 0, sizeof(buffer)); |
| |
| sprintf(bp, "%s%s%s", "IBM PCI ServeRAID ", IPS_VERSION_HIGH, IPS_VERSION_LOW ); |
| |
| if (ha->ad_type > 0 && |
| ha->ad_type <= MAX_ADAPTER_NAME) { |
| strcat(bp, " <"); |
| strcat(bp, ips_adapter_name[ha->ad_type-1]); |
| strcat(bp, ">"); |
| } |
| |
| return (bp); |
| } |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: ips_proc_info */ |
| /* */ |
| /* Routine Description: */ |
| /* */ |
| /* The passthru interface for the driver */ |
| /* */ |
| /****************************************************************************/ |
| int |
| ips_proc_info(char *buffer, char **start, off_t offset, |
| int length, int hostno, int func) { |
| int i; |
| int ret; |
| ips_ha_t *ha = NULL; |
| |
| METHOD_TRACE("ips_proc_info", 1); |
| |
| /* Find our host structure */ |
| for (i = 0; i < ips_next_controller; i++) { |
| if (ips_sh[i]) { |
| if (ips_sh[i]->host_no == hostno) { |
| ha = (ips_ha_t *) ips_sh[i]->hostdata; |
| break; |
| } |
| } |
| } |
| |
| if (!ha) |
| return (-EINVAL); |
| |
| if (func) { |
| /* write */ |
| return (0); |
| } else { |
| /* read */ |
| if (start) |
| *start = buffer; |
| |
| ret = ips_host_info(ha, buffer, offset, length); |
| |
| return (ret); |
| } |
| } |
| |
| /*--------------------------------------------------------------------------*/ |
| /* Helper Functions */ |
| /*--------------------------------------------------------------------------*/ |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: ips_is_passthru */ |
| /* */ |
| /* Routine Description: */ |
| /* */ |
| /* Determine if the specified SCSI command is really a passthru command */ |
| /* */ |
| /****************************************************************************/ |
| static int |
| ips_is_passthru(Scsi_Cmnd *SC) { |
| METHOD_TRACE("ips_is_passthru", 1); |
| |
| if (!SC) |
| return (0); |
| |
| if ((SC->cmnd[0] == IPS_IOCTL_COMMAND) && |
| (SC->channel == 0) && |
| (SC->target == IPS_ADAPTER_ID) && |
| (SC->lun == 0) && |
| SC->request_buffer){ |
| if((!SC->use_sg) && SC->request_bufflen && |
| (((char *) SC->request_buffer)[0] == 'C') && |
| (((char *) SC->request_buffer)[1] == 'O') && |
| (((char *) SC->request_buffer)[2] == 'P') && |
| (((char *) SC->request_buffer)[3] == 'P')) |
| return 1; |
| else if(SC->use_sg){ |
| struct scatterlist *sg = SC->request_buffer; |
| char *buffer = IPS_SG_ADDRESS(sg); |
| if(buffer && buffer[0] == 'C' && buffer[1] == 'O' && |
| buffer[2] == 'P' && buffer[3] == 'P') |
| return 1; |
| } |
| } |
| return 0; |
| } |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: ips_make_passthru */ |
| /* */ |
| /* Routine Description: */ |
| /* */ |
| /* Make a passthru command out of the info in the Scsi block */ |
| /* */ |
| /****************************************************************************/ |
| static int |
| ips_make_passthru(ips_ha_t *ha, Scsi_Cmnd *SC, ips_scb_t *scb, int intr) { |
| ips_passthru_t *pt; |
| char *buffer; |
| int length = 0; |
| |
| METHOD_TRACE("ips_make_passthru", 1); |
| |
| if(!SC->use_sg){ |
| buffer = SC->request_buffer; |
| length = SC->request_bufflen; |
| }else{ |
| struct scatterlist *sg = SC->request_buffer; |
| int i; |
| for(i = 0; i < SC->use_sg; i++) |
| length += sg[i].length; |
| |
| if (length < sizeof(ips_passthru_t)) { |
| /* wrong size */ |
| DEBUG_VAR(1, "(%s%d) Passthru structure wrong size", |
| ips_name, ha->host_num); |
| return (IPS_FAILURE); |
| }else if(!ha->ioctl_data || length > (PAGE_SIZE << ha->ioctl_order)){ |
| void *bigger_buf; |
| int count; |
| int order; |
| /* try to allocate a bigger buffer */ |
| for (count = PAGE_SIZE, order = 0; |
| count < length; |
| order++, count <<= 1); |
| bigger_buf = (void *) __get_free_pages(GFP_ATOMIC, order); |
| if (bigger_buf) { |
| /* free the old memory */ |
| free_pages((unsigned long) ha->ioctl_data, ha->ioctl_order); |
| /* use the new memory */ |
| ha->ioctl_data = (char *) bigger_buf; |
| ha->ioctl_order = order; |
| ha->ioctl_datasize = count; |
| } else { |
| pt = (ips_passthru_t*)IPS_SG_ADDRESS(sg); |
| pt->BasicStatus = 0x0B; |
| pt->ExtendedStatus = 0x00; |
| SC->result = DID_ERROR << 16; |
| return (IPS_FAILURE); |
| } |
| } |
| ha->ioctl_datasize = length; |
| length = 0; |
| for(i = 0; i < SC->use_sg; i++){ |
| memcpy(&ha->ioctl_data[length], IPS_SG_ADDRESS(&sg[i]), sg[i].length); |
| length += sg[i].length; |
| } |
| pt = (ips_passthru_t *)ha->ioctl_data; |
| buffer = ha->ioctl_data; |
| } |
| if (!length || !buffer) { |
| /* no data */ |
| DEBUG_VAR(1, "(%s%d) No passthru structure", |
| ips_name, ha->host_num); |
| |
| return (IPS_FAILURE); |
| } |
| if (length < sizeof(ips_passthru_t)) { |
| /* wrong size */ |
| DEBUG_VAR(1, "(%s%d) Passthru structure wrong size", |
| ips_name, ha->host_num); |
| |
| return (IPS_FAILURE); |
| } |
| pt = (ips_passthru_t*) buffer; |
| /* |
| * Some notes about the passthru interface used |
| * |
| * IF the scsi op_code == 0x0d then we assume |
| * that the data came along with/goes with the |
| * packet we received from the sg driver. In this |
| * case the CmdBSize field of the pt structure is |
| * used for the size of the buffer. |
| * |
| * IF the scsi op_code == 0x81 then we assume that |
| * we will need our own buffer and we will copy the |
| * data to/from the user buffer passed in the scsi |
| * command. The data address resides at offset 4 |
| * in the scsi command. The length of the data resides |
| * at offset 8 in the scsi command. |
| */ |
| |
| switch (pt->CoppCmd) { |
| case IPS_NUMCTRLS: |
| memcpy(buffer + sizeof(ips_passthru_t), |
| &ips_num_controllers, sizeof(int)); |
| SC->result = DID_OK << 16; |
| |
| return (IPS_SUCCESS_IMM); |
| |
| case IPS_CTRLINFO: |
| memcpy(buffer + sizeof(ips_passthru_t), |
| ha, sizeof(ips_ha_t)); |
| SC->result = DID_OK << 16; |
| |
| return (IPS_SUCCESS_IMM); |
| |
| case IPS_COPPUSRCMD: |
| case IPS_COPPIOCCMD: |
| if (SC->cmnd[0] == IPS_IOCTL_COMMAND) { |
| if (length < (sizeof(ips_passthru_t) + pt->CmdBSize)) { |
| /* wrong size */ |
| DEBUG_VAR(1, "(%s%d) Passthru structure wrong size", |
| ips_name, ha->host_num); |
| |
| return (IPS_FAILURE); |
| } |
| |
| if(ha->device_id == IPS_DEVICEID_COPPERHEAD && |
| pt->CoppCP.cmd.flashfw.op_code == IPS_CMD_RW_BIOSFW) |
| return ips_flash_copperhead(ha, pt, scb); |
| |
| if (ips_usrcmd(ha, pt, scb)) |
| return (IPS_SUCCESS); |
| else |
| return (IPS_FAILURE); |
| } |
| |
| break; |
| |
| } /* end switch */ |
| |
| return (IPS_FAILURE); |
| } |
| |
| /****************************************************************************/ |
| /* Routine Name: ips_flash_copperhead */ |
| /* Routine Description: */ |
| /* Flash the BIOS/FW on a Copperhead style controller */ |
| /****************************************************************************/ |
| static int |
| ips_flash_copperhead(ips_ha_t *ha, ips_passthru_t *pt, ips_scb_t *scb){ |
| int datasize, count; |
| |
| /* Trombone is the only copperhead that can do packet flash, but only |
| * for firmware. No one said it had to make sence. */ |
| if(IPS_IS_TROMBONE(ha) && pt->CoppCP.cmd.flashfw.type == IPS_FW_IMAGE){ |
| if(ips_usrcmd(ha, pt, scb)) |
| return IPS_SUCCESS; |
| else |
| return IPS_FAILURE; |
| } |
| pt->BasicStatus = 0x0B; |
| pt->ExtendedStatus = 0; |
| scb->scsi_cmd->result = DID_OK <<16; |
| /* IF it's OK to Use the "CD BOOT" Flash Buffer, then you can */ |
| /* avoid allocating a huge buffer per adapter ( which can fail ). */ |
| if(pt->CoppCP.cmd.flashfw.type == IPS_BIOS_IMAGE && |
| pt->CoppCP.cmd.flashfw.direction == IPS_ERASE_BIOS){ |
| pt->BasicStatus = 0; |
| return ips_flash_bios(ha, pt, scb); |
| }else if(pt->CoppCP.cmd.flashfw.packet_num == 0){ |
| if(ips_FlashData && !test_and_set_bit(0, &ips_FlashDataInUse)){ |
| ha->flash_data = ips_FlashData; |
| ha->flash_order = 7; |
| ha->flash_datasize = 0; |
| }else if(!ha->flash_data){ |
| datasize = pt->CoppCP.cmd.flashfw.total_packets * |
| pt->CoppCP.cmd.flashfw.count; |
| for (count = PAGE_SIZE, ha->flash_order = 0; count < datasize; |
| ha->flash_order++, count <<= 1); |
| ha->flash_data = (char *)__get_free_pages(GFP_ATOMIC, ha->flash_order); |
| ha->flash_datasize = 0; |
| }else |
| return IPS_FAILURE; |
| }else{ |
| if(pt->CoppCP.cmd.flashfw.count + ha->flash_datasize > |
| (PAGE_SIZE << ha->flash_order)){ |
| ips_free_flash_copperhead(ha); |
| printk(KERN_WARNING "failed size sanity check\n"); |
| return IPS_FAILURE; |
| } |
| } |
| if(!ha->flash_data) |
| return IPS_FAILURE; |
| pt->BasicStatus = 0; |
| memcpy(&ha->flash_data[ha->flash_datasize], pt + 1, |
| pt->CoppCP.cmd.flashfw.count); |
| ha->flash_datasize += pt->CoppCP.cmd.flashfw.count; |
| if(pt->CoppCP.cmd.flashfw.packet_num == |
| pt->CoppCP.cmd.flashfw.total_packets - 1){ |
| if(pt->CoppCP.cmd.flashfw.type == IPS_BIOS_IMAGE) |
| return ips_flash_bios(ha, pt, scb); |
| else if(pt->CoppCP.cmd.flashfw.type == IPS_FW_IMAGE) |
| return ips_flash_firmware(ha, pt, scb); |
| } |
| return IPS_SUCCESS_IMM; |
| } |
| |
| /****************************************************************************/ |
| /* Routine Name: ips_flash_bios */ |
| /* Routine Description: */ |
| /* flashes the bios of a copperhead adapter */ |
| /****************************************************************************/ |
| static int |
| ips_flash_bios(ips_ha_t * ha, ips_passthru_t *pt, ips_scb_t *scb){ |
| |
| if(pt->CoppCP.cmd.flashfw.type == IPS_BIOS_IMAGE && |
| pt->CoppCP.cmd.flashfw.direction == IPS_WRITE_BIOS){ |
| if ((!ha->func.programbios) || (!ha->func.erasebios) || |
| (!ha->func.verifybios)) |
| goto error; |
| if((*ha->func.erasebios)(ha)){ |
| DEBUG_VAR(1, "(%s%d) flash bios failed - unable to erase flash", |
| ips_name, ha->host_num); |
| goto error; |
| }else if ((*ha->func.programbios)(ha, ha->flash_data + IPS_BIOS_HEADER, |
| ha->flash_datasize - IPS_BIOS_HEADER, 0 )) { |
| DEBUG_VAR(1, "(%s%d) flash bios failed - unable to flash", |
| ips_name, ha->host_num); |
| goto error; |
| }else if ((*ha->func.verifybios)(ha, ha->flash_data + IPS_BIOS_HEADER, |
| ha->flash_datasize - IPS_BIOS_HEADER, 0 )) { |
| DEBUG_VAR(1, "(%s%d) flash bios failed - unable to verify flash", |
| ips_name, ha->host_num); |
| goto error; |
| } |
| ips_free_flash_copperhead(ha); |
| return IPS_SUCCESS_IMM; |
| }else if(pt->CoppCP.cmd.flashfw.type == IPS_BIOS_IMAGE && |
| pt->CoppCP.cmd.flashfw.direction == IPS_ERASE_BIOS){ |
| if(!ha->func.erasebios) |
| goto error; |
| if((*ha->func.erasebios)(ha)){ |
| DEBUG_VAR(1, "(%s%d) flash bios failed - unable to erase flash", |
| ips_name, ha->host_num); |
| goto error; |
| } |
| return IPS_SUCCESS_IMM; |
| } |
| error: |
| pt->BasicStatus = 0x0B; |
| pt->ExtendedStatus = 0x00; |
| ips_free_flash_copperhead(ha); |
| return IPS_FAILURE; |
| } |
| |
| /****************************************************************************/ |
| /* Routine Name: ips_flash_firmware */ |
| /* Routine Description: */ |
| /* flashes the firmware of a copperhead adapter */ |
| /****************************************************************************/ |
| static int |
| ips_flash_firmware(ips_ha_t * ha, ips_passthru_t *pt, ips_scb_t *scb){ |
| IPS_SG_LIST *sg_list; |
| uint32_t cmd_busaddr; |
| |
| if(pt->CoppCP.cmd.flashfw.type == IPS_FW_IMAGE && |
| pt->CoppCP.cmd.flashfw.direction == IPS_WRITE_FW ){ |
| memset(&pt->CoppCP.cmd, 0, sizeof(IPS_HOST_COMMAND)); |
| pt->CoppCP.cmd.flashfw.op_code = IPS_CMD_DOWNLOAD; |
| pt->CoppCP.cmd.flashfw.count = cpu_to_le32(ha->flash_datasize); |
| }else{ |
| pt->BasicStatus = 0x0B; |
| pt->ExtendedStatus = 0x00; |
| ips_free_flash_copperhead(ha); |
| return IPS_FAILURE; |
| } |
| /* Save the S/G list pointer so it doesn't get clobbered */ |
| sg_list = scb->sg_list; |
| cmd_busaddr = scb->scb_busaddr; |
| /* copy in the CP */ |
| memcpy(&scb->cmd, &pt->CoppCP.cmd, sizeof(IPS_IOCTL_CMD)); |
| /* FIX stuff that might be wrong */ |
| scb->sg_list = sg_list; |
| scb->scb_busaddr = cmd_busaddr; |
| scb->bus = scb->scsi_cmd->channel; |
| scb->target_id = scb->scsi_cmd->target; |
| scb->lun = scb->scsi_cmd->lun; |
| scb->sg_len = 0; |
| scb->data_len = 0; |
| scb->flags = 0; |
| scb->op_code = 0; |
| scb->callback = ipsintr_done; |
| scb->timeout = ips_cmd_timeout; |
| |
| scb->data_len = ha->flash_datasize; |
| scb->data_busaddr = pci_map_single(ha->pcidev, ha->flash_data, scb->data_len, |
| IPS_DMA_DIR(scb)); |
| scb->flags |= IPS_SCB_MAP_SINGLE; |
| scb->cmd.flashfw.command_id = IPS_COMMAND_ID(ha, scb); |
| scb->cmd.flashfw.buffer_addr = scb->data_busaddr; |
| if (pt->TimeOut) |
| scb->timeout = pt->TimeOut; |
| scb->scsi_cmd->result = DID_OK <<16; |
| return IPS_SUCCESS; |
| } |
| |
| /****************************************************************************/ |
| /* Routine Name: ips_free_flash_copperhead */ |
| /* Routine Description: */ |
| /* release the memory resources used to hold the flash image */ |
| /****************************************************************************/ |
| static void |
| ips_free_flash_copperhead(ips_ha_t *ha){ |
| if(ha->flash_data == ips_FlashData) |
| test_and_clear_bit(0, &ips_FlashDataInUse); |
| else if(ha->flash_data) |
| free_pages((unsigned long)ha->flash_data, ha->flash_order); |
| ha->flash_data = NULL; |
| } |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: ips_usrcmd */ |
| /* */ |
| /* Routine Description: */ |
| /* */ |
| /* Process a user command and make it ready to send */ |
| /* */ |
| /****************************************************************************/ |
| static int |
| ips_usrcmd(ips_ha_t *ha, ips_passthru_t *pt, ips_scb_t *scb) { |
| IPS_SG_LIST *sg_list; |
| uint32_t cmd_busaddr; |
| |
| METHOD_TRACE("ips_usrcmd", 1); |
| |
| if ((!scb) || (!pt) || (!ha)) |
| return (0); |
| |
| /* Save the S/G list pointer so it doesn't get clobbered */ |
| sg_list = scb->sg_list; |
| cmd_busaddr = scb->scb_busaddr; |
| /* copy in the CP */ |
| memcpy(&scb->cmd, &pt->CoppCP.cmd, sizeof(IPS_IOCTL_CMD)); |
| memcpy(&scb->dcdb, &pt->CoppCP.dcdb, sizeof(IPS_DCDB_TABLE)); |
| |
| /* FIX stuff that might be wrong */ |
| scb->sg_list = sg_list; |
| scb->scb_busaddr = cmd_busaddr; |
| scb->bus = scb->scsi_cmd->channel; |
| scb->target_id = scb->scsi_cmd->target; |
| scb->lun = scb->scsi_cmd->lun; |
| scb->sg_len = 0; |
| scb->data_len = 0; |
| scb->flags = 0; |
| scb->op_code = 0; |
| scb->callback = ipsintr_done; |
| scb->timeout = ips_cmd_timeout; |
| scb->cmd.basic_io.command_id = IPS_COMMAND_ID(ha, scb); |
| |
| /* we don't support DCDB/READ/WRITE Scatter Gather */ |
| if ((scb->cmd.basic_io.op_code == IPS_CMD_READ_SG) || |
| (scb->cmd.basic_io.op_code == IPS_CMD_WRITE_SG) || |
| (scb->cmd.basic_io.op_code == IPS_CMD_DCDB_SG)) |
| return (0); |
| |
| if (pt->CmdBSize) { |
| if(!scb->scsi_cmd->use_sg){ |
| scb->data_len = pt->CmdBSize; |
| scb->data_busaddr = pci_map_single(ha->pcidev, |
| scb->scsi_cmd->request_buffer + |
| sizeof(ips_passthru_t), |
| pt->CmdBSize, |
| IPS_DMA_DIR(scb)); |
| scb->flags |= IPS_SCB_MAP_SINGLE; |
| } else { |
| scb->data_len = pt->CmdBSize; |
| scb->data_busaddr = pci_map_single(ha->pcidev, |
| ha->ioctl_data + |
| sizeof(ips_passthru_t), |
| pt->CmdBSize, |
| IPS_DMA_DIR(scb)); |
| scb->flags |= IPS_SCB_MAP_SINGLE; |
| } |
| } else { |
| scb->data_busaddr = 0L; |
| } |
| |
| if (scb->cmd.dcdb.op_code == IPS_CMD_DCDB) |
| scb->cmd.dcdb.dcdb_address = cpu_to_le32(scb->scb_busaddr + |
| (unsigned long)&scb->dcdb - |
| (unsigned long)scb); |
| |
| if (pt->CmdBSize) { |
| if (scb->cmd.dcdb.op_code == IPS_CMD_DCDB) |
| scb->dcdb.buffer_pointer = cpu_to_le32(scb->data_busaddr); |
| else |
| scb->cmd.basic_io.sg_addr = cpu_to_le32(scb->data_busaddr); |
| } |
| |
| /* set timeouts */ |
| if (pt->TimeOut) { |
| scb->timeout = pt->TimeOut; |
| |
| if (pt->TimeOut <= 10) |
| scb->dcdb.cmd_attribute |= IPS_TIMEOUT10; |
| else if (pt->TimeOut <= 60) |
| scb->dcdb.cmd_attribute |= IPS_TIMEOUT60; |
| else |
| scb->dcdb.cmd_attribute |= IPS_TIMEOUT20M; |
| } |
| |
| /* assume success */ |
| scb->scsi_cmd->result = DID_OK << 16; |
| |
| /* success */ |
| return (1); |
| } |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: ips_cleanup_passthru */ |
| /* */ |
| /* Routine Description: */ |
| /* */ |
| /* Cleanup after a passthru command */ |
| /* */ |
| /****************************************************************************/ |
| static void |
| ips_cleanup_passthru(ips_ha_t *ha, ips_scb_t *scb) { |
| ips_passthru_t *pt; |
| |
| METHOD_TRACE("ips_cleanup_passthru", 1); |
| |
| if ((!scb) || (!scb->scsi_cmd) || (!scb->scsi_cmd->request_buffer)) { |
| DEBUG_VAR(1, "(%s%d) couldn't cleanup after passthru", |
| ips_name, ha->host_num); |
| |
| return ; |
| } |
| if(!scb->scsi_cmd->use_sg) |
| pt = (ips_passthru_t *) scb->scsi_cmd->request_buffer; |
| else |
| pt = (ips_passthru_t *) ha->ioctl_data; |
| |
| /* Copy data back to the user */ |
| if (scb->cmd.dcdb.op_code == IPS_CMD_DCDB) /* Copy DCDB Back to Caller's Area */ |
| memcpy(&pt->CoppCP.dcdb, &scb->dcdb, sizeof(IPS_DCDB_TABLE)); |
| |
| pt->BasicStatus = scb->basic_status; |
| pt->ExtendedStatus = scb->extended_status; |
| pt->AdapterType = ha->ad_type; |
| |
| if(ha->device_id == IPS_DEVICEID_COPPERHEAD && |
| (scb->cmd.flashfw.op_code == IPS_CMD_DOWNLOAD || |
| scb->cmd.flashfw.op_code == IPS_CMD_RW_BIOSFW)) |
| ips_free_flash_copperhead(ha); |
| |
| if(scb->scsi_cmd->use_sg){ |
| int i, length = 0; |
| struct scatterlist *sg = scb->scsi_cmd->request_buffer; |
| for(i = 0; i < scb->scsi_cmd->use_sg; i++){ |
| memcpy(IPS_SG_ADDRESS(&sg[i]), &ha->ioctl_data[length], sg[i].length); |
| length += sg[i].length; |
| } |
| } |
| } |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: ips_host_info */ |
| /* */ |
| /* Routine Description: */ |
| /* */ |
| /* The passthru interface for the driver */ |
| /* */ |
| /****************************************************************************/ |
| static int |
| ips_host_info(ips_ha_t *ha, char *ptr, off_t offset, int len) { |
| IPS_INFOSTR info; |
| |
| METHOD_TRACE("ips_host_info", 1); |
| |
| info.buffer = ptr; |
| info.length = len; |
| info.offset = offset; |
| info.pos = 0; |
| info.localpos = 0; |
| |
| copy_info(&info, "\nIBM ServeRAID General Information:\n\n"); |
| |
| if ((le32_to_cpu(ha->nvram->signature) == IPS_NVRAM_P5_SIG) && |
| (le16_to_cpu(ha->nvram->adapter_type) != 0)) |
| copy_info(&info, "\tController Type : %s\n", ips_adapter_name[ha->ad_type-1]); |
| else |
| copy_info(&info, "\tController Type : Unknown\n"); |
| |
| if (ha->io_addr) |
| copy_info(&info, "\tIO region : 0x%lx (%d bytes)\n", |
| ha->io_addr, ha->io_len); |
| |
| if (ha->mem_addr) { |
| copy_info(&info, "\tMemory region : 0x%lx (%d bytes)\n", |
| ha->mem_addr, ha->mem_len); |
| copy_info(&info, "\tShared memory address : 0x%lx\n", ha->mem_ptr); |
| } |
| |
| copy_info(&info, "\tIRQ number : %d\n", ha->irq); |
| |
| if (le32_to_cpu(ha->nvram->signature) == IPS_NVRAM_P5_SIG) |
| copy_info(&info, "\tBIOS Version : %c%c%c%c%c%c%c%c\n", |
| ha->nvram->bios_high[0], ha->nvram->bios_high[1], |
| ha->nvram->bios_high[2], ha->nvram->bios_high[3], |
| ha->nvram->bios_low[0], ha->nvram->bios_low[1], |
| ha->nvram->bios_low[2], ha->nvram->bios_low[3]); |
| |
| copy_info(&info, "\tFirmware Version : %c%c%c%c%c%c%c%c\n", |
| ha->enq->CodeBlkVersion[0], ha->enq->CodeBlkVersion[1], |
| ha->enq->CodeBlkVersion[2], ha->enq->CodeBlkVersion[3], |
| ha->enq->CodeBlkVersion[4], ha->enq->CodeBlkVersion[5], |
| ha->enq->CodeBlkVersion[6], ha->enq->CodeBlkVersion[7]); |
| |
| copy_info(&info, "\tBoot Block Version : %c%c%c%c%c%c%c%c\n", |
| ha->enq->BootBlkVersion[0], ha->enq->BootBlkVersion[1], |
| ha->enq->BootBlkVersion[2], ha->enq->BootBlkVersion[3], |
| ha->enq->BootBlkVersion[4], ha->enq->BootBlkVersion[5], |
| ha->enq->BootBlkVersion[6], ha->enq->BootBlkVersion[7]); |
| |
| copy_info(&info, "\tDriver Version : %s%s\n", |
| IPS_VERSION_HIGH, IPS_VERSION_LOW); |
| |
| copy_info(&info, "\tMax Physical Devices : %d\n", |
| ha->enq->ucMaxPhysicalDevices); |
| copy_info(&info, "\tMax Active Commands : %d\n", |
| ha->max_cmds); |
| copy_info(&info, "\tCurrent Queued Commands : %d\n", |
| ha->scb_waitlist.count); |
| copy_info(&info, "\tCurrent Active Commands : %d\n", |
| ha->scb_activelist.count - ha->num_ioctl); |
| copy_info(&info, "\tCurrent Queued PT Commands : %d\n", |
| ha->copp_waitlist.count); |
| copy_info(&info, "\tCurrent Active PT Commands : %d\n", |
| ha->num_ioctl); |
| |
| copy_info(&info, "\n"); |
| |
| return (info.localpos); |
| } |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: copy_mem_info */ |
| /* */ |
| /* Routine Description: */ |
| /* */ |
| /* Copy data into an IPS_INFOSTR structure */ |
| /* */ |
| /****************************************************************************/ |
| static void |
| copy_mem_info(IPS_INFOSTR *info, char *data, int len) { |
| METHOD_TRACE("copy_mem_info", 1); |
| |
| if (info->pos + len < info->offset) { |
| info->pos += len; |
| return; |
| } |
| |
| if (info->pos < info->offset) { |
| data += (info->offset - info->pos); |
| len -= (info->offset - info->pos); |
| info->pos += (info->offset - info->pos); |
| } |
| |
| if (info->localpos + len > info->length) |
| len = info->length - info->localpos; |
| |
| if (len > 0) { |
| memcpy(info->buffer + info->localpos, data, len); |
| info->pos += len; |
| info->localpos += len; |
| } |
| } |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: copy_info */ |
| /* */ |
| /* Routine Description: */ |
| /* */ |
| /* printf style wrapper for an info structure */ |
| /* */ |
| /****************************************************************************/ |
| static int |
| copy_info(IPS_INFOSTR *info, char *fmt, ...) { |
| va_list args; |
| char buf[128]; |
| int len; |
| |
| METHOD_TRACE("copy_info", 1); |
| |
| va_start(args, fmt); |
| len = vsprintf(buf, fmt, args); |
| va_end(args); |
| |
| copy_mem_info(info, buf, len); |
| |
| return (len); |
| } |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: ips_identify_controller */ |
| /* */ |
| /* Routine Description: */ |
| /* */ |
| /* Identify this controller */ |
| /* */ |
| /****************************************************************************/ |
| static void |
| ips_identify_controller(ips_ha_t *ha) { |
| METHOD_TRACE("ips_identify_controller", 1); |
| |
| switch (ha->device_id) { |
| case IPS_DEVICEID_COPPERHEAD: |
| if (ha->revision_id <= IPS_REVID_SERVERAID) { |
| ha->ad_type = IPS_ADTYPE_SERVERAID; |
| } else if (ha->revision_id == IPS_REVID_SERVERAID2) { |
| ha->ad_type = IPS_ADTYPE_SERVERAID2; |
| } else if (ha->revision_id == IPS_REVID_NAVAJO) { |
| ha->ad_type = IPS_ADTYPE_NAVAJO; |
| } else if ((ha->revision_id == IPS_REVID_SERVERAID2) && (ha->slot_num == 0)) { |
| ha->ad_type = IPS_ADTYPE_KIOWA; |
| } else if ((ha->revision_id >= IPS_REVID_CLARINETP1) && |
| (ha->revision_id <= IPS_REVID_CLARINETP3)) { |
| if (ha->enq->ucMaxPhysicalDevices == 15) |
| ha->ad_type = IPS_ADTYPE_SERVERAID3L; |
| else |
| ha->ad_type = IPS_ADTYPE_SERVERAID3; |
| } else if ((ha->revision_id >= IPS_REVID_TROMBONE32) && |
| (ha->revision_id <= IPS_REVID_TROMBONE64)) { |
| ha->ad_type = IPS_ADTYPE_SERVERAID4H; |
| } |
| break; |
| |
| case IPS_DEVICEID_MORPHEUS: |
| switch (ha->subdevice_id) { |
| case IPS_SUBDEVICEID_4L: |
| ha->ad_type = IPS_ADTYPE_SERVERAID4L; |
| break; |
| |
| case IPS_SUBDEVICEID_4M: |
| ha->ad_type = IPS_ADTYPE_SERVERAID4M; |
| break; |
| |
| case IPS_SUBDEVICEID_4MX: |
| ha->ad_type = IPS_ADTYPE_SERVERAID4MX; |
| break; |
| |
| case IPS_SUBDEVICEID_4LX: |
| ha->ad_type = IPS_ADTYPE_SERVERAID4LX; |
| break; |
| |
| case IPS_SUBDEVICEID_5I2: |
| ha->ad_type = IPS_ADTYPE_SERVERAID5I2; |
| break; |
| |
| case IPS_SUBDEVICEID_5I1: |
| ha->ad_type = IPS_ADTYPE_SERVERAID5I1; |
| break; |
| } |
| |
| break; |
| } |
| } |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: ips_get_bios_version */ |
| /* */ |
| /* Routine Description: */ |
| /* */ |
| /* Get the BIOS revision number */ |
| /* */ |
| /****************************************************************************/ |
| static void |
| ips_get_bios_version(ips_ha_t *ha, int intr) { |
| ips_scb_t *scb; |
| int ret; |
| uint8_t major; |
| uint8_t minor; |
| uint8_t subminor; |
| uint8_t *buffer; |
| char hexDigits[] = {'0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F'}; |
| |
| METHOD_TRACE("ips_get_bios_version", 1); |
| |
| major = 0; |
| minor = 0; |
| |
| strncpy(ha->bios_version, " ?", 8); |
| |
| if (ha->device_id == IPS_DEVICEID_COPPERHEAD) { |
| if (IPS_USE_MEMIO(ha)) { |
| /* Memory Mapped I/O */ |
| |
| /* test 1st byte */ |
| writel(0, ha->mem_ptr + IPS_REG_FLAP); |
| if (ha->revision_id == IPS_REVID_TROMBONE64) |
| udelay(25); /* 25 us */ |
| |
| if (readb(ha->mem_ptr + IPS_REG_FLDP) != 0x55) |
| return; |
| |
| writel(1, ha->mem_ptr + IPS_REG_FLAP); |
| if (ha->revision_id == IPS_REVID_TROMBONE64) |
| udelay(25); /* 25 us */ |
| |
| if (readb(ha->mem_ptr + IPS_REG_FLDP) != 0xAA) |
| return; |
| |
| /* Get Major version */ |
| writel(0x1FF, ha->mem_ptr + IPS_REG_FLAP); |
| if (ha->revision_id == IPS_REVID_TROMBONE64) |
| udelay(25); /* 25 us */ |
| |
| major = readb(ha->mem_ptr + IPS_REG_FLDP); |
| |
| /* Get Minor version */ |
| writel(0x1FE, ha->mem_ptr + IPS_REG_FLAP); |
| if (ha->revision_id == IPS_REVID_TROMBONE64) |
| udelay(25); /* 25 us */ |
| minor = readb(ha->mem_ptr + IPS_REG_FLDP); |
| |
| /* Get SubMinor version */ |
| writel(0x1FD, ha->mem_ptr + IPS_REG_FLAP); |
| if (ha->revision_id == IPS_REVID_TROMBONE64) |
| udelay(25); /* 25 us */ |
| subminor = readb(ha->mem_ptr + IPS_REG_FLDP); |
| |
| } else { |
| /* Programmed I/O */ |
| |
| /* test 1st byte */ |
| outl(0, ha->io_addr + IPS_REG_FLAP); |
| if (ha->revision_id == IPS_REVID_TROMBONE64) |
| udelay(25); /* 25 us */ |
| |
| if (inb(ha->io_addr + IPS_REG_FLDP) != 0x55) |
| return ; |
| |
| outl(cpu_to_le32(1), ha->io_addr + IPS_REG_FLAP); |
| if (ha->revision_id == IPS_REVID_TROMBONE64) |
| udelay(25); /* 25 us */ |
| |
| if (inb(ha->io_addr + IPS_REG_FLDP) != 0xAA) |
| return ; |
| |
| /* Get Major version */ |
| outl(cpu_to_le32(0x1FF), ha->io_addr + IPS_REG_FLAP); |
| if (ha->revision_id == IPS_REVID_TROMBONE64) |
| udelay(25); /* 25 us */ |
| |
| major = inb(ha->io_addr + IPS_REG_FLDP); |
| |
| /* Get Minor version */ |
| outl(cpu_to_le32(0x1FE), ha->io_addr + IPS_REG_FLAP); |
| if (ha->revision_id == IPS_REVID_TROMBONE64) |
| udelay(25); /* 25 us */ |
| |
| minor = inb(ha->io_addr + IPS_REG_FLDP); |
| |
| /* Get SubMinor version */ |
| outl(cpu_to_le32(0x1FD), ha->io_addr + IPS_REG_FLAP); |
| if (ha->revision_id == IPS_REVID_TROMBONE64) |
| udelay(25); /* 25 us */ |
| |
| subminor = inb(ha->io_addr + IPS_REG_FLDP); |
| |
| } |
| } else { |
| /* Morpheus Family - Send Command to the card */ |
| |
| buffer = kmalloc(0x1000, GFP_ATOMIC); |
| if (!buffer) |
| return; |
| |
| memset(buffer, 0, 0x1000); |
| |
| scb = &ha->scbs[ha->max_cmds-1]; |
| |
| ips_init_scb(ha, scb); |
| |
| scb->timeout = ips_cmd_timeout; |
| scb->cdb[0] = IPS_CMD_RW_BIOSFW; |
| |
| scb->cmd.flashfw.op_code = IPS_CMD_RW_BIOSFW; |
| scb->cmd.flashfw.command_id = IPS_COMMAND_ID(ha, scb); |
| scb->cmd.flashfw.type = 1; |
| scb->cmd.flashfw.direction = 0; |
| scb->cmd.flashfw.count = cpu_to_le32(0x800); |
| scb->cmd.flashfw.total_packets = 1; |
| scb->cmd.flashfw.packet_num = 0; |
| scb->data_len = 0x1000; |
| scb->data_busaddr = pci_map_single(ha->pcidev, buffer, scb->data_len, |
| IPS_DMA_DIR(scb)); |
| scb->cmd.flashfw.buffer_addr = scb->data_busaddr; |
| scb->flags |= IPS_SCB_MAP_SINGLE; |
| |
| /* issue the command */ |
| if (((ret = ips_send_wait(ha, scb, ips_cmd_timeout, intr)) == IPS_FAILURE) || |
| (ret == IPS_SUCCESS_IMM) || |
| ((scb->basic_status & IPS_GSC_STATUS_MASK) > 1)) { |
| /* Error occurred */ |
| kfree(buffer); |
| |
| return; |
| } |
| |
| if ((buffer[0xC0] == 0x55) && (buffer[0xC1] == 0xAA)) { |
| major = buffer[0x1ff + 0xC0]; /* Offset 0x1ff after the header (0xc0) */ |
| minor = buffer[0x1fe + 0xC0]; /* Offset 0x1fe after the header (0xc0) */ |
| subminor = buffer[0x1fd + 0xC0]; /* Offset 0x1fd after the header (0xc0) */ |
| } else { |
| return; |
| } |
| |
| kfree(buffer); |
| } |
| |
| ha->bios_version[0] = hexDigits[(major & 0xF0) >> 4]; |
| ha->bios_version[1] = '.'; |
| ha->bios_version[2] = hexDigits[major & 0x0F]; |
| ha->bios_version[3] = hexDigits[subminor]; |
| ha->bios_version[4] = '.'; |
| ha->bios_version[5] = hexDigits[(minor & 0xF0) >> 4]; |
| ha->bios_version[6] = hexDigits[minor & 0x0F]; |
| ha->bios_version[7] = 0; |
| } |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: ips_hainit */ |
| /* */ |
| /* Routine Description: */ |
| /* */ |
| /* Initialize the controller */ |
| /* */ |
| /* NOTE: Assumes to be called from with a lock */ |
| /* */ |
| /****************************************************************************/ |
| static int |
| ips_hainit(ips_ha_t *ha) { |
| int i; |
| struct timeval tv; |
| |
| METHOD_TRACE("ips_hainit", 1); |
| |
| if (!ha) |
| return (0); |
| |
| if (ha->func.statinit) |
| (*ha->func.statinit)(ha); |
| |
| if (ha->func.enableint) |
| (*ha->func.enableint)(ha); |
| |
| /* Send FFDC */ |
| ha->reset_count = 1; |
| do_gettimeofday(&tv); |
| ha->last_ffdc = tv.tv_sec; |
| ips_ffdc_reset(ha, IPS_INTR_IORL); |
| |
| if (!ips_read_config(ha, IPS_INTR_IORL)) { |
| printk(KERN_WARNING "(%s%d) unable to read config from controller.\n", |
| ips_name, ha->host_num); |
| |
| return (0); |
| } /* end if */ |
| |
| if (!ips_read_adapter_status(ha, IPS_INTR_IORL)) { |
| printk(KERN_WARNING "(%s%d) unable to read controller status.\n", |
| ips_name, ha->host_num); |
| |
| return (0); |
| } |
| |
| /* Identify this controller */ |
| ips_identify_controller(ha); |
| |
| if (!ips_read_subsystem_parameters(ha, IPS_INTR_IORL)) { |
| printk(KERN_WARNING "(%s%d) unable to read subsystem parameters.\n", |
| ips_name, ha->host_num); |
| |
| return (0); |
| } |
| |
| /* write nvram user page 5 */ |
| if (!ips_write_driver_status(ha, IPS_INTR_IORL)) { |
| printk(KERN_WARNING "(%s%d) unable to write driver info to controller.\n", |
| ips_name, ha->host_num); |
| |
| return (0); |
| } |
| |
| /* set limits on SID, LUN, BUS */ |
| ha->ntargets = IPS_MAX_TARGETS + 1; |
| ha->nlun = 1; |
| ha->nbus = (ha->enq->ucMaxPhysicalDevices / IPS_MAX_TARGETS) + 1; |
| |
| switch (ha->conf->logical_drive[0].ucStripeSize) { |
| case 4: |
| ha->max_xfer = 0x10000; |
| break; |
| |
| case 5: |
| ha->max_xfer = 0x20000; |
| break; |
| |
| case 6: |
| ha->max_xfer = 0x40000; |
| break; |
| |
| case 7: |
| default: |
| ha->max_xfer = 0x80000; |
| break; |
| } |
| |
| /* setup max concurrent commands */ |
| if (le32_to_cpu(ha->subsys->param[4]) & 0x1) { |
| /* Use the new method */ |
| ha->max_cmds = ha->enq->ucConcurrentCmdCount; |
| } else { |
| /* use the old method */ |
| switch (ha->conf->logical_drive[0].ucStripeSize) { |
| case 4: |
| ha->max_cmds = 32; |
| break; |
| |
| case 5: |
| ha->max_cmds = 16; |
| break; |
| |
| case 6: |
| ha->max_cmds = 8; |
| break; |
| |
| case 7: |
| default: |
| ha->max_cmds = 4; |
| break; |
| } |
| } |
| |
| /* Limit the Active Commands on a Lite Adapter */ |
| if ((ha->ad_type == IPS_ADTYPE_SERVERAID3L) || |
| (ha->ad_type == IPS_ADTYPE_SERVERAID4L) || |
| (ha->ad_type == IPS_ADTYPE_SERVERAID4LX)) { |
| if ((ha->max_cmds > MaxLiteCmds) && (MaxLiteCmds)) |
| ha->max_cmds = MaxLiteCmds; |
| } |
| |
| /* set controller IDs */ |
| ha->ha_id[0] = IPS_ADAPTER_ID; |
| for (i = 1; i < ha->nbus; i++) { |
| ha->ha_id[i] = ha->conf->init_id[i-1] & 0x1f; |
| ha->dcdb_active[i-1] = 0; |
| } |
| |
| return (1); |
| } |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: ips_next */ |
| /* */ |
| /* Routine Description: */ |
| /* */ |
| /* Take the next command off the queue and send it to the controller */ |
| /* */ |
| /****************************************************************************/ |
| static void |
| ips_next(ips_ha_t *ha, int intr) { |
| ips_scb_t *scb; |
| Scsi_Cmnd *SC; |
| Scsi_Cmnd *p; |
| Scsi_Cmnd *q; |
| ips_copp_wait_item_t *item; |
| int ret; |
| unsigned long cpu_flags; |
| unsigned long cpu_flags2 = 0; |
| struct Scsi_Host *host; |
| METHOD_TRACE("ips_next", 1); |
| |
| if (!ha) |
| return ; |
| host = ips_sh[ha->host_num]; |
| /* |
| * Block access to the queue function so |
| * this command won't time out |
| */ |
| if (intr == IPS_INTR_ON) |
| IPS_LOCK_SAVE(host->host_lock, cpu_flags2); |
| |
| if ((ha->subsys->param[3] & 0x300000) && ( ha->scb_activelist.count == 0 )) { |
| struct timeval tv; |
| |
| do_gettimeofday(&tv); |
| |
| IPS_HA_LOCK(cpu_flags); |
| if (tv.tv_sec - ha->last_ffdc > IPS_SECS_8HOURS) { |
| ha->last_ffdc = tv.tv_sec; |
| IPS_HA_UNLOCK(cpu_flags); |
| ips_ffdc_time(ha); |
| } else { |
| IPS_HA_UNLOCK(cpu_flags); |
| } |
| } |
| |
| if (intr == IPS_INTR_ON) |
| IPS_UNLOCK_RESTORE(host->host_lock, cpu_flags2); |
| |
| /* |
| * Send passthru commands |
| * These have priority over normal I/O |
| * but shouldn't affect performance too much |
| * since we limit the number that can be active |
| * on the card at any one time |
| */ |
| IPS_HA_LOCK(cpu_flags); |
| IPS_QUEUE_LOCK(&ha->copp_waitlist); |
| while ((ha->num_ioctl < IPS_MAX_IOCTL) && |
| (ha->copp_waitlist.head) && |
| (scb = ips_getscb(ha))) { |
| |
| IPS_QUEUE_UNLOCK(&ha->copp_waitlist); |
| item = ips_removeq_copp_head(&ha->copp_waitlist); |
| ha->num_ioctl++; |
| IPS_HA_UNLOCK(cpu_flags); |
| scb->scsi_cmd = item->scsi_cmd; |
| scb->sem = item->sem; |
| kfree(item); |
| |
| ret = ips_make_passthru(ha, scb->scsi_cmd, scb, intr); |
| |
| switch (ret) { |
| case IPS_FAILURE: |
| if (scb->scsi_cmd) { |
| scb->scsi_cmd->result = DID_ERROR << 16; |
| scb->scsi_cmd->scsi_done(scb->scsi_cmd); |
| } |
| |
| ips_freescb(ha, scb); |
| break; |
| case IPS_SUCCESS_IMM: |
| if (scb->scsi_cmd) { |
| scb->scsi_cmd->result = DID_OK << 16; |
| scb->scsi_cmd->scsi_done(scb->scsi_cmd); |
| } |
| |
| ips_freescb(ha, scb); |
| break; |
| default: |
| break; |
| } /* end case */ |
| |
| if (ret != IPS_SUCCESS) { |
| IPS_HA_LOCK(cpu_flags); |
| IPS_QUEUE_LOCK(&ha->copp_waitlist); |
| ha->num_ioctl--; |
| continue; |
| } |
| |
| ret = ips_send_cmd(ha, scb); |
| |
| if (ret == IPS_SUCCESS) |
| ips_putq_scb_head(&ha->scb_activelist, scb); |
| else |
| ha->num_ioctl--; |
| |
| switch(ret) { |
| case IPS_FAILURE: |
| if (scb->scsi_cmd) { |
| scb->scsi_cmd->result = DID_ERROR << 16; |
| } |
| |
| ips_freescb(ha, scb); |
| break; |
| case IPS_SUCCESS_IMM: |
| ips_freescb(ha, scb); |
| break; |
| default: |
| break; |
| } /* end case */ |
| |
| IPS_HA_LOCK(cpu_flags); |
| IPS_QUEUE_LOCK(&ha->copp_waitlist); |
| } |
| |
| IPS_QUEUE_UNLOCK(&ha->copp_waitlist); |
| IPS_HA_UNLOCK(cpu_flags); |
| |
| /* |
| * Send "Normal" I/O commands |
| */ |
| IPS_HA_LOCK(cpu_flags); |
| IPS_QUEUE_LOCK(&ha->scb_waitlist); |
| p = ha->scb_waitlist.head; |
| IPS_QUEUE_UNLOCK(&ha->scb_waitlist); |
| while ((p) && (scb = ips_getscb(ha))) { |
| if ((p->channel > 0) && (ha->dcdb_active[p->channel-1] & (1 << p->target))) { |
| ips_freescb(ha, scb); |
| p = (Scsi_Cmnd *) p->host_scribble; |
| continue; |
| } |
| |
| q = p; |
| SC = ips_removeq_wait(&ha->scb_waitlist, q); |
| if (SC == NULL) /* Should never happen, but good to check anyway */ |
| continue; |
| |
| IPS_HA_UNLOCK(cpu_flags); /* Unlock HA after command is taken off queue */ |
| |
| SC->result = DID_OK; |
| SC->host_scribble = NULL; |
| |
| memset(SC->sense_buffer, 0, sizeof(SC->sense_buffer)); |
| |
| scb->target_id = SC->target; |
| scb->lun = SC->lun; |
| scb->bus = SC->channel; |
| scb->scsi_cmd = SC; |
| scb->breakup = 0; |
| scb->data_len = 0; |
| scb->callback = ipsintr_done; |
| scb->timeout = ips_cmd_timeout; |
| memset(&scb->cmd, 0, 16); |
| |
| /* copy in the CDB */ |
| memcpy(scb->cdb, SC->cmnd, SC->cmd_len); |
| |
| /* Now handle the data buffer */ |
| if (SC->use_sg) { |
| struct scatterlist *sg; |
| int i; |
| |
| sg = SC->request_buffer; |
| scb->sg_count = pci_map_sg(ha->pcidev, sg, SC->use_sg, |
| IPS_DMA_DIR(scb)); |
| scb->flags |= IPS_SCB_MAP_SG; |
| if (scb->sg_count == 1) { |
| if (sg_dma_len(sg) > ha->max_xfer) { |
| scb->breakup = 1; |
| scb->data_len = ha->max_xfer; |
| } else |
| scb->data_len = sg_dma_len(sg); |
| |
| scb->dcdb.transfer_length = scb->data_len; |
| scb->data_busaddr = sg_dma_address(sg); |
| scb->sg_len = 0; |
| } else { |
| /* Check for the first Element being bigger than MAX_XFER */ |
| if (sg_dma_len(&sg[0]) > ha->max_xfer) { |
| scb->sg_list[0].address = cpu_to_le32(sg_dma_address(&sg[0])); |
| scb->sg_list[0].length = ha->max_xfer; |
| scb->data_len = ha->max_xfer; |
| scb->breakup = 0; |
| scb->sg_break=1; |
| scb->sg_len = 1; |
| } else { |
| for (i = 0; i < scb->sg_count; i++) { |
| scb->sg_list[i].address = cpu_to_le32(sg_dma_address(&sg[i])); |
| scb->sg_list[i].length = cpu_to_le32(sg_dma_len(&sg[i])); |
| |
| if (scb->data_len + sg_dma_len(&sg[i]) > ha->max_xfer) { |
| /* |
| * Data Breakup required |
| */ |
| scb->breakup = i; |
| break; |
| } |
| |
| scb->data_len += sg_dma_len(&sg[i]); |
| } |
| |
| if (!scb->breakup) |
| scb->sg_len = scb->sg_count; |
| else |
| scb->sg_len = scb->breakup; |
| } |
| |
| scb->dcdb.transfer_length = scb->data_len; |
| scb->data_busaddr = scb->sg_busaddr; |
| } |
| } else { |
| if (SC->request_bufflen) { |
| if (SC->request_bufflen > ha->max_xfer) { |
| /* |
| * Data breakup required |
| */ |
| scb->breakup = 1; |
| scb->data_len = ha->max_xfer; |
| } else { |
| scb->data_len = SC->request_bufflen; |
| } |
| |
| scb->dcdb.transfer_length = scb->data_len; |
| scb->data_busaddr = pci_map_single(ha->pcidev, SC->request_buffer, |
| scb->data_len, IPS_DMA_DIR(scb)); |
| scb->flags |= IPS_SCB_MAP_SINGLE; |
| scb->sg_len = 0; |
| } else { |
| scb->data_busaddr = 0L; |
| scb->sg_len = 0; |
| scb->data_len = 0; |
| scb->dcdb.transfer_length = 0; |
| } |
| |
| } |
| |
| scb->dcdb.cmd_attribute = ips_command_direction[scb->scsi_cmd->cmnd[0]]; |
| |
| if (!scb->dcdb.cmd_attribute & 0x3) |
| scb->dcdb.transfer_length = 0; |
| |
| if (scb->data_len >= IPS_MAX_XFER) { |
| scb->dcdb.cmd_attribute |= IPS_TRANSFER64K; |
| scb->dcdb.transfer_length = 0; |
| } |
| |
| ret = ips_send_cmd(ha, scb); |
| |
| if (ret == IPS_SUCCESS) |
| ips_putq_scb_head(&ha->scb_activelist, scb); |
| |
| switch(ret) { |
| case IPS_FAILURE: |
| if (scb->scsi_cmd) { |
| scb->scsi_cmd->result = DID_ERROR << 16; |
| scb->scsi_cmd->scsi_done(scb->scsi_cmd); |
| } |
| |
| if (scb->bus) |
| ha->dcdb_active[scb->bus-1] &= ~(1 << scb->target_id); |
| |
| ips_freescb(ha, scb); |
| break; |
| case IPS_SUCCESS_IMM: |
| if (scb->scsi_cmd) |
| scb->scsi_cmd->scsi_done(scb->scsi_cmd); |
| |
| if (scb->bus) |
| ha->dcdb_active[scb->bus-1] &= ~(1 << scb->target_id); |
| |
| ips_freescb(ha, scb); |
| break; |
| default: |
| break; |
| } /* end case */ |
| |
| p = (Scsi_Cmnd *) p->host_scribble; |
| |
| IPS_HA_LOCK(cpu_flags); |
| } /* end while */ |
| |
| IPS_HA_UNLOCK(cpu_flags); |
| } |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: ips_putq_scb_head */ |
| /* */ |
| /* Routine Description: */ |
| /* */ |
| /* Add an item to the head of the queue */ |
| /* */ |
| /* ASSUMED to be called from within a lock */ |
| /* */ |
| /****************************************************************************/ |
| static inline void |
| ips_putq_scb_head(ips_scb_queue_t *queue, ips_scb_t *item) { |
| METHOD_TRACE("ips_putq_scb_head", 1); |
| |
| if (!item) |
| return ; |
| |
| IPS_QUEUE_LOCK(queue); |
| |
| item->q_next = queue->head; |
| queue->head = item; |
| |
| if (!queue->tail) |
| queue->tail = item; |
| |
| queue->count++; |
| |
| IPS_QUEUE_UNLOCK(queue); |
| } |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: ips_putq_scb_tail */ |
| /* */ |
| /* Routine Description: */ |
| /* */ |
| /* Add an item to the tail of the queue */ |
| /* */ |
| /* ASSUMED to be called from within a lock */ |
| /* */ |
| /****************************************************************************/ |
| static inline void |
| ips_putq_scb_tail(ips_scb_queue_t *queue, ips_scb_t *item) { |
| METHOD_TRACE("ips_putq_scb_tail", 1); |
| |
| if (!item) |
| return ; |
| |
| IPS_QUEUE_LOCK(queue); |
| |
| item->q_next = NULL; |
| |
| if (queue->tail) |
| queue->tail->q_next = item; |
| |
| queue->tail = item; |
| |
| if (!queue->head) |
| queue->head = item; |
| |
| queue->count++; |
| |
| IPS_QUEUE_UNLOCK(queue); |
| } |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: ips_removeq_scb_head */ |
| /* */ |
| /* Routine Description: */ |
| /* */ |
| /* Remove the head of the queue */ |
| /* */ |
| /* ASSUMED to be called from within a lock */ |
| /* */ |
| /****************************************************************************/ |
| static inline ips_scb_t * |
| ips_removeq_scb_head(ips_scb_queue_t *queue) { |
| ips_scb_t *item; |
| |
| METHOD_TRACE("ips_removeq_scb_head", 1); |
| |
| IPS_QUEUE_LOCK(queue); |
| |
| item = queue->head; |
| |
| if (!item) { |
| IPS_QUEUE_UNLOCK(queue); |
| |
| return (NULL); |
| } |
| |
| queue->head = item->q_next; |
| item->q_next = NULL; |
| |
| if (queue->tail == item) |
| queue->tail = NULL; |
| |
| queue->count--; |
| |
| IPS_QUEUE_UNLOCK(queue); |
| |
| return (item); |
| } |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: ips_removeq_scb */ |
| /* */ |
| /* Routine Description: */ |
| /* */ |
| /* Remove an item from a queue */ |
| /* */ |
| /* ASSUMED to be called from within a lock */ |
| /* */ |
| /****************************************************************************/ |
| static inline ips_scb_t * |
| ips_removeq_scb(ips_scb_queue_t *queue, ips_scb_t *item) { |
| ips_scb_t *p; |
| |
| METHOD_TRACE("ips_removeq_scb", 1); |
| |
| if (!item) |
| return (NULL); |
| |
| IPS_QUEUE_LOCK(queue); |
| |
| if (item == queue->head) { |
| IPS_QUEUE_UNLOCK(queue); |
| |
| return (ips_removeq_scb_head(queue)); |
| } |
| |
| p = queue->head; |
| |
| while ((p) && (item != p->q_next)) |
| p = p->q_next; |
| |
| if (p) { |
| /* found a match */ |
| p->q_next = item->q_next; |
| |
| if (!item->q_next) |
| queue->tail = p; |
| |
| item->q_next = NULL; |
| queue->count--; |
| |
| IPS_QUEUE_UNLOCK(queue); |
| |
| return (item); |
| } |
| |
| IPS_QUEUE_UNLOCK(queue); |
| |
| return (NULL); |
| } |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: ips_putq_wait_head */ |
| /* */ |
| /* Routine Description: */ |
| /* */ |
| /* Add an item to the head of the queue */ |
| /* */ |
| /* ASSUMED to be called from within a lock */ |
| /* */ |
| /****************************************************************************/ |
| static inline void |
| ips_putq_wait_head(ips_wait_queue_t *queue, Scsi_Cmnd *item) { |
| METHOD_TRACE("ips_putq_wait_head", 1); |
| |
| if (!item) |
| return ; |
| |
| IPS_QUEUE_LOCK(queue); |
| |
| item->host_scribble = (char *) queue->head; |
| queue->head = item; |
| |
| if (!queue->tail) |
| queue->tail = item; |
| |
| queue->count++; |
| |
| IPS_QUEUE_UNLOCK(queue); |
| } |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: ips_putq_wait_tail */ |
| /* */ |
| /* Routine Description: */ |
| /* */ |
| /* Add an item to the tail of the queue */ |
| /* */ |
| /* ASSUMED to be called from within a lock */ |
| /* */ |
| /****************************************************************************/ |
| static inline void |
| ips_putq_wait_tail(ips_wait_queue_t *queue, Scsi_Cmnd *item) { |
| METHOD_TRACE("ips_putq_wait_tail", 1); |
| |
| if (!item) |
| return ; |
| |
| IPS_QUEUE_LOCK(queue); |
| |
| item->host_scribble = NULL; |
| |
| if (queue->tail) |
| queue->tail->host_scribble = (char *)item; |
| |
| queue->tail = item; |
| |
| if (!queue->head) |
| queue->head = item; |
| |
| queue->count++; |
| |
| IPS_QUEUE_UNLOCK(queue); |
| } |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: ips_removeq_wait_head */ |
| /* */ |
| /* Routine Description: */ |
| /* */ |
| /* Remove the head of the queue */ |
| /* */ |
| /* ASSUMED to be called from within a lock */ |
| /* */ |
| /****************************************************************************/ |
| static inline Scsi_Cmnd * |
| ips_removeq_wait_head(ips_wait_queue_t *queue) { |
| Scsi_Cmnd *item; |
| |
| METHOD_TRACE("ips_removeq_wait_head", 1); |
| |
| IPS_QUEUE_LOCK(queue); |
| |
| item = queue->head; |
| |
| if (!item) { |
| IPS_QUEUE_UNLOCK(queue); |
| |
| return (NULL); |
| } |
| |
| queue->head = (Scsi_Cmnd *) item->host_scribble; |
| item->host_scribble = NULL; |
| |
| if (queue->tail == item) |
| queue->tail = NULL; |
| |
| queue->count--; |
| |
| IPS_QUEUE_UNLOCK(queue); |
| |
| return (item); |
| } |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: ips_removeq_wait */ |
| /* */ |
| /* Routine Description: */ |
| /* */ |
| /* Remove an item from a queue */ |
| /* */ |
| /* ASSUMED to be called from within a lock */ |
| /* */ |
| /****************************************************************************/ |
| static inline Scsi_Cmnd * |
| ips_removeq_wait(ips_wait_queue_t *queue, Scsi_Cmnd *item) { |
| Scsi_Cmnd *p; |
| |
| METHOD_TRACE("ips_removeq_wait", 1); |
| |
| if (!item) |
| return (NULL); |
| |
| IPS_QUEUE_LOCK(queue); |
| |
| if (item == queue->head) { |
| IPS_QUEUE_UNLOCK(queue); |
| |
| return (ips_removeq_wait_head(queue)); |
| } |
| |
| p = queue->head; |
| |
| while ((p) && (item != (Scsi_Cmnd *) p->host_scribble)) |
| p = (Scsi_Cmnd *) p->host_scribble; |
| |
| if (p) { |
| /* found a match */ |
| p->host_scribble = item->host_scribble; |
| |
| if (!item->host_scribble) |
| queue->tail = p; |
| |
| item->host_scribble = NULL; |
| queue->count--; |
| |
| IPS_QUEUE_UNLOCK(queue); |
| |
| return (item); |
| } |
| |
| IPS_QUEUE_UNLOCK(queue); |
| |
| return (NULL); |
| } |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: ips_putq_copp_head */ |
| /* */ |
| /* Routine Description: */ |
| /* */ |
| /* Add an item to the head of the queue */ |
| /* */ |
| /* ASSUMED to be called from within a lock */ |
| /* */ |
| /****************************************************************************/ |
| static inline void |
| ips_putq_copp_head(ips_copp_queue_t *queue, ips_copp_wait_item_t *item) { |
| METHOD_TRACE("ips_putq_copp_head", 1); |
| |
| if (!item) |
| return ; |
| |
| IPS_QUEUE_LOCK(queue); |
| |
| item->next = queue->head; |
| queue->head = item; |
| |
| if (!queue->tail) |
| queue->tail = item; |
| |
| queue->count++; |
| |
| IPS_QUEUE_UNLOCK(queue); |
| } |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: ips_putq_copp_tail */ |
| /* */ |
| /* Routine Description: */ |
| /* */ |
| /* Add an item to the tail of the queue */ |
| /* */ |
| /* ASSUMED to be called from within a lock */ |
| /* */ |
| /****************************************************************************/ |
| static inline void |
| ips_putq_copp_tail(ips_copp_queue_t *queue, ips_copp_wait_item_t *item) { |
| METHOD_TRACE("ips_putq_copp_tail", 1); |
| |
| if (!item) |
| return ; |
| |
| IPS_QUEUE_LOCK(queue); |
| |
| item->next = NULL; |
| |
| if (queue->tail) |
| queue->tail->next = item; |
| |
| queue->tail = item; |
| |
| if (!queue->head) |
| queue->head = item; |
| |
| queue->count++; |
| |
| IPS_QUEUE_UNLOCK(queue); |
| } |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: ips_removeq_copp_head */ |
| /* */ |
| /* Routine Description: */ |
| /* */ |
| /* Remove the head of the queue */ |
| /* */ |
| /* ASSUMED to be called from within a lock */ |
| /* */ |
| /****************************************************************************/ |
| static inline ips_copp_wait_item_t * |
| ips_removeq_copp_head(ips_copp_queue_t *queue) { |
| ips_copp_wait_item_t *item; |
| |
| METHOD_TRACE("ips_removeq_copp_head", 1); |
| |
| IPS_QUEUE_LOCK(queue); |
| |
| item = queue->head; |
| |
| if (!item) { |
| IPS_QUEUE_UNLOCK(queue); |
| |
| return (NULL); |
| } |
| |
| queue->head = item->next; |
| item->next = NULL; |
| |
| if (queue->tail == item) |
| queue->tail = NULL; |
| |
| queue->count--; |
| |
| IPS_QUEUE_UNLOCK(queue); |
| |
| return (item); |
| } |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: ips_removeq_copp */ |
| /* */ |
| /* Routine Description: */ |
| /* */ |
| /* Remove an item from a queue */ |
| /* */ |
| /* ASSUMED to be called from within a lock */ |
| /* */ |
| /****************************************************************************/ |
| static inline ips_copp_wait_item_t * |
| ips_removeq_copp(ips_copp_queue_t *queue, ips_copp_wait_item_t *item) { |
| ips_copp_wait_item_t *p; |
| |
| METHOD_TRACE("ips_removeq_copp", 1); |
| |
| if (!item) |
| return (NULL); |
| |
| IPS_QUEUE_LOCK(queue); |
| |
| if (item == queue->head) { |
| IPS_QUEUE_UNLOCK(queue); |
| |
| return (ips_removeq_copp_head(queue)); |
| } |
| |
| p = queue->head; |
| |
| while ((p) && (item != p->next)) |
| p = p->next; |
| |
| if (p) { |
| /* found a match */ |
| p->next = item->next; |
| |
| if (!item->next) |
| queue->tail = p; |
| |
| item->next = NULL; |
| queue->count--; |
| |
| IPS_QUEUE_UNLOCK(queue); |
| |
| return (item); |
| } |
| |
| IPS_QUEUE_UNLOCK(queue); |
| |
| return (NULL); |
| } |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: ipsintr_blocking */ |
| /* */ |
| /* Routine Description: */ |
| /* */ |
| /* Finalize an interrupt for internal commands */ |
| /* */ |
| /****************************************************************************/ |
| static void |
| ipsintr_blocking(ips_ha_t *ha, ips_scb_t *scb) { |
| METHOD_TRACE("ipsintr_blocking", 2); |
| |
| ips_freescb(ha, scb); |
| if ((ha->waitflag == TRUE) && |
| (ha->cmd_in_progress == scb->cdb[0])) { |
| ha->waitflag = FALSE; |
| |
| return ; |
| } |
| } |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: ipsintr_done */ |
| /* */ |
| /* Routine Description: */ |
| /* */ |
| /* Finalize an interrupt for non-internal commands */ |
| /* */ |
| /****************************************************************************/ |
| static void |
| ipsintr_done(ips_ha_t *ha, ips_scb_t *scb) { |
| METHOD_TRACE("ipsintr_done", 2); |
| |
| if (!scb) { |
| printk(KERN_WARNING "(%s%d) Spurious interrupt; scb NULL.\n", |
| ips_name, ha->host_num); |
| |
| return ; |
| } |
| |
| if (scb->scsi_cmd == NULL) { |
| /* unexpected interrupt */ |
| printk(KERN_WARNING "(%s%d) Spurious interrupt; scsi_cmd not set.\n", |
| ips_name, ha->host_num); |
| |
| return; |
| } |
| |
| ips_done(ha, scb); |
| } |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: ips_done */ |
| /* */ |
| /* Routine Description: */ |
| /* */ |
| /* Do housekeeping on completed commands */ |
| /* */ |
| /****************************************************************************/ |
| static void |
| ips_done(ips_ha_t *ha, ips_scb_t *scb) { |
| int ret; |
| unsigned long cpu_flags; |
| |
| METHOD_TRACE("ips_done", 1); |
| |
| if (!scb) |
| return ; |
| |
| if ((scb->scsi_cmd) && (ips_is_passthru(scb->scsi_cmd))) { |
| ips_cleanup_passthru(ha, scb); |
| IPS_HA_LOCK(cpu_flags); |
| ha->num_ioctl--; |
| IPS_HA_UNLOCK(cpu_flags); |
| } else { |
| /* |
| * Check to see if this command had too much |
| * data and had to be broke up. If so, queue |
| * the rest of the data and continue. |
| */ |
| if ((scb->breakup) || (scb->sg_break)) { |
| /* we had a data breakup */ |
| uint8_t bk_save; |
| |
| bk_save = scb->breakup; |
| scb->breakup = 0; |
| mod_timer(&scb->scsi_cmd->eh_timeout, jiffies + 120 * HZ); |
| |
| if (scb->sg_count) { |
| /* S/G request */ |
| struct scatterlist *sg; |
| int i; |
| |
| sg = scb->scsi_cmd->request_buffer; |
| |
| if (scb->sg_count == 1) { |
| if (sg_dma_len(sg) - (bk_save * ha->max_xfer) > ha->max_xfer) { |
| /* Further breakup required */ |
| scb->data_len = ha->max_xfer; |
| scb->data_busaddr = sg_dma_address(sg) + (bk_save * ha->max_xfer); |
| scb->breakup = bk_save + 1; |
| } else { |
| scb->data_len = sg_dma_len(sg) - (bk_save * ha->max_xfer); |
| scb->data_busaddr = sg_dma_address(sg) + (bk_save * ha->max_xfer); |
| } |
| |
| scb->dcdb.transfer_length = scb->data_len; |
| scb->sg_len = 0; |
| } else { |
| /* We're here because there was MORE than one s/g unit. */ |
| /* bk_save points to which sg unit to look at */ |
| /* sg_break points to how far through this unit we are */ |
| /* NOTE: We will not move from one sg to another here, */ |
| /* just finish the one we are in. Not the most */ |
| /* efficient, but it keeps it from getting too hacky */ |
| |
| /* IF sg_break is non-zero, then just work on this current sg piece, */ |
| /* pointed to by bk_save */ |
| if (scb->sg_break) { |
| scb->sg_len = 1; |
| scb->sg_list[0].address = sg_dma_address(&sg[bk_save]) |
| + ha->max_xfer*scb->sg_break; |
| if (ha->max_xfer > sg_dma_len(&sg[bk_save]) - ha->max_xfer * scb->sg_break) |
| scb->sg_list[0].length = sg_dma_len(&sg[bk_save]) - ha->max_xfer * scb->sg_break; |
| else |
| scb->sg_list[0].length = ha->max_xfer; |
| scb->sg_break++; /* MUST GO HERE for math below to work */ |
| scb->data_len = scb->sg_list[0].length;; |
| |
| if (sg_dma_len(&sg[bk_save]) <= ha->max_xfer * scb->sg_break ) { |
| scb->sg_break = 0; /* No more work in this unit */ |
| if (( bk_save + 1 ) >= scb->sg_count) |
| scb->breakup = 0; |
| else |
| scb->breakup = bk_save + 1; |
| } |
| } else { |
| /* ( sg_break == 0 ), so this is our first look at a new sg piece */ |
| if (sg_dma_len(&sg[bk_save]) > ha->max_xfer) { |
| scb->sg_list[0].address = sg_dma_address(&sg[bk_save]); |
| scb->sg_list[0].length = ha->max_xfer; |
| scb->breakup = bk_save; |
| scb->sg_break = 1; |
| scb->data_len = ha->max_xfer; |
| scb->sg_len = 1; |
| } else { |
| /* OK, the next sg is a short one, so loop until full */ |
| scb->data_len = 0; |
| scb->sg_len = 0; |
| scb->sg_break = 0; |
| /* We're only doing full units here */ |
| for (i = bk_save; i < scb->sg_count; i++) { |
| scb->sg_list[i - bk_save].address = sg_dma_address(&sg[i]); |
| scb->sg_list[i - bk_save].length = cpu_to_le32(sg_dma_len(&sg[i])); |
| if (scb->data_len + sg_dma_len(&sg[i]) > ha->max_xfer) { |
| scb->breakup = i; /* sneaky, if not more work, than breakup is 0 */ |
| break; |
| } |
| scb->data_len += sg_dma_len(&sg[i]); |
| scb->sg_len++; /* only if we didn't get too big */ |
| } |
| } |
| } |
| |
| /* Also, we need to be sure we don't queue work ( breakup != 0 ) |
| if no more sg units for next time */ |
| scb->dcdb.transfer_length = scb->data_len; |
| scb->data_busaddr = scb->sg_busaddr; |
| } |
| |
| } else { |
| /* Non S/G Request */ |
| pci_unmap_single(ha->pcidev, scb->data_busaddr, scb->data_len, |
| IPS_DMA_DIR(scb)); |
| if ((scb->scsi_cmd->request_bufflen - (bk_save * ha->max_xfer)) > ha->max_xfer) { |
| /* Further breakup required */ |
| scb->data_len = ha->max_xfer; |
| scb->data_busaddr = pci_map_single(ha->pcidev, |
| scb->scsi_cmd->request_buffer + |
| (bk_save * ha->max_xfer), |
| scb->data_len, IPS_DMA_DIR(scb)); |
| scb->breakup = bk_save + 1; |
| } else { |
| scb->data_len = scb->scsi_cmd->request_bufflen - (bk_save * ha->max_xfer); |
| scb->data_busaddr = pci_map_single(ha->pcidev, |
| scb->scsi_cmd->request_buffer + |
| (bk_save * ha->max_xfer), |
| scb->data_len, IPS_DMA_DIR(scb)); |
| } |
| |
| scb->dcdb.transfer_length = scb->data_len; |
| scb->sg_len = 0; |
| } |
| |
| scb->dcdb.cmd_attribute |= ips_command_direction[scb->scsi_cmd->cmnd[0]]; |
| |
| if (!scb->dcdb.cmd_attribute & 0x3) |
| scb->dcdb.transfer_length = 0; |
| |
| if (scb->data_len >= IPS_MAX_XFER) { |
| scb->dcdb.cmd_attribute |= IPS_TRANSFER64K; |
| scb->dcdb.transfer_length = 0; |
| } |
| |
| ret = ips_send_cmd(ha, scb); |
| |
| switch(ret) { |
| case IPS_FAILURE: |
| if (scb->scsi_cmd) { |
| scb->scsi_cmd->result = DID_ERROR << 16; |
| scb->scsi_cmd->scsi_done(scb->scsi_cmd); |
| } |
| |
| ips_freescb(ha, scb); |
| break; |
| case IPS_SUCCESS_IMM: |
| if (scb->scsi_cmd) { |
| scb->scsi_cmd->result = DID_ERROR << 16; |
| scb->scsi_cmd->scsi_done(scb->scsi_cmd); |
| } |
| |
| ips_freescb(ha, scb); |
| break; |
| default: |
| break; |
| } /* end case */ |
| |
| return ; |
| } |
| } /* end if passthru */ |
| |
| if (scb->bus) { |
| IPS_HA_LOCK(cpu_flags); |
| ha->dcdb_active[scb->bus-1] &= ~(1 << scb->target_id); |
| IPS_HA_UNLOCK(cpu_flags); |
| } |
| |
| scb->scsi_cmd->scsi_done(scb->scsi_cmd); |
| |
| ips_freescb(ha, scb); |
| } |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: ips_map_status */ |
| /* */ |
| /* Routine Description: */ |
| /* */ |
| /* Map ServeRAID error codes to Linux Error Codes */ |
| /* */ |
| /****************************************************************************/ |
| static int |
| ips_map_status(ips_ha_t *ha, ips_scb_t *scb, ips_stat_t *sp) { |
| int errcode; |
| int device_error; |
| uint32_t transfer_len; |
| IPS_DCDB_TABLE_TAPE *tapeDCDB; |
| |
| METHOD_TRACE("ips_map_status", 1); |
| |
| if (scb->bus) { |
| DEBUG_VAR(2, "(%s%d) Physical device error (%d %d %d): %x %x, Sense Key: %x, ASC: %x, ASCQ: %x", |
| ips_name, |
| ha->host_num, |
| scb->scsi_cmd->channel, |
| scb->scsi_cmd->target, |
| scb->scsi_cmd->lun, |
| scb->basic_status, |
| scb->extended_status, |
| scb->extended_status == IPS_ERR_CKCOND ? scb->dcdb.sense_info[2] & 0xf : 0, |
| scb->extended_status == IPS_ERR_CKCOND ? scb->dcdb.sense_info[12] : 0, |
| scb->extended_status == IPS_ERR_CKCOND ? scb->dcdb.sense_info[13] : 0); |
| } |
| |
| /* default driver error */ |
| errcode = DID_ERROR; |
| device_error = 0; |
| |
| switch (scb->basic_status & IPS_GSC_STATUS_MASK) { |
| case IPS_CMD_TIMEOUT: |
| errcode = DID_TIME_OUT; |
| break; |
| |
| case IPS_INVAL_OPCO: |
| case IPS_INVAL_CMD_BLK: |
| case IPS_INVAL_PARM_BLK: |
| case IPS_LD_ERROR: |
| case IPS_CMD_CMPLT_WERROR: |
| break; |
| |
| case IPS_PHYS_DRV_ERROR: |
| switch (scb->extended_status) { |
| case IPS_ERR_SEL_TO: |
| if (scb->bus) |
| errcode = DID_NO_CONNECT; |
| |
| break; |
| |
| case IPS_ERR_OU_RUN: |
| if ( ( scb->cmd.dcdb.op_code == IPS_CMD_EXTENDED_DCDB ) || |
| ( scb->cmd.dcdb.op_code == IPS_CMD_EXTENDED_DCDB_SG ) ) { |
| tapeDCDB = ( IPS_DCDB_TABLE_TAPE * ) &scb->dcdb; |
| transfer_len = tapeDCDB->transfer_length; |
| } else { |
| transfer_len = ( uint32_t ) scb->dcdb.transfer_length; |
| } |
| |
| if ((scb->bus) && (transfer_len < scb->data_len)) { |
| /* Underrun - set default to no error */ |
| errcode = DID_OK; |
| |
| /* Restrict access to physical DASD */ |
| if ((scb->scsi_cmd->cmnd[0] == INQUIRY) && |
| ((((char *) scb->scsi_cmd->buffer)[0] & 0x1f) == TYPE_DISK)) { |
| /* underflow -- no error */ |
| /* restrict access to physical DASD */ |
| errcode = DID_TIME_OUT; |
| break; |
| } |
| } else |
| errcode = DID_ERROR; |
| |
| break; |
| |
| case IPS_ERR_RECOVERY: |
| /* don't fail recovered errors */ |
| if (scb->bus) |
| errcode = DID_OK; |
| |
| break; |
| |
| case IPS_ERR_HOST_RESET: |
| case IPS_ERR_DEV_RESET: |
| errcode = DID_RESET; |
| break; |
| |
| case IPS_ERR_CKCOND: |
| if (scb->bus) { |
| if ((scb->cmd.dcdb.op_code == IPS_CMD_EXTENDED_DCDB) || |
| (scb->cmd.dcdb.op_code == IPS_CMD_EXTENDED_DCDB_SG)) { |
| tapeDCDB = (IPS_DCDB_TABLE_TAPE *) &scb->dcdb; |
| memcpy(scb->scsi_cmd->sense_buffer, tapeDCDB->sense_info, |
| sizeof(tapeDCDB->sense_info)); |
| } else { |
| memcpy(scb->scsi_cmd->sense_buffer, scb->dcdb.sense_info, |
| sizeof(scb->scsi_cmd->sense_buffer)); |
| } |
| device_error = 2; /* check condition */ |
| } |
| |
| errcode = DID_OK; |
| |
| break; |
| |
| default: |
| errcode = DID_ERROR; |
| break; |
| |
| } /* end switch */ |
| } /* end switch */ |
| |
| scb->scsi_cmd->result = device_error | (errcode << 16); |
| |
| return (1); |
| } |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: ips_send_wait */ |
| /* */ |
| /* Routine Description: */ |
| /* */ |
| /* Send a command to the controller and wait for it to return */ |
| /* */ |
| /* The FFDC Time Stamp use this function for the callback, but doesn't */ |
| /* actually need to wait. */ |
| /****************************************************************************/ |
| static int |
| ips_send_wait(ips_ha_t *ha, ips_scb_t *scb, int timeout, int intr) { |
| int ret; |
| |
| METHOD_TRACE("ips_send_wait", 1); |
| |
| if (intr != IPS_FFDC) { /* Won't be Waiting if this is a Time Stamp */ |
| ha->waitflag = TRUE; |
| ha->cmd_in_progress = scb->cdb[0]; |
| } |
| scb->callback = ipsintr_blocking; |
| ret = ips_send_cmd(ha, scb); |
| |
| if ((ret == IPS_FAILURE) || (ret == IPS_SUCCESS_IMM)) |
| return (ret); |
| |
| if (intr != IPS_FFDC) /* Don't Wait around if this is a Time Stamp */ |
| ret = ips_wait(ha, timeout, intr); |
| |
| return (ret); |
| } |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: ips_send_cmd */ |
| /* */ |
| /* Routine Description: */ |
| /* */ |
| /* Map SCSI commands to ServeRAID commands for logical drives */ |
| /* */ |
| /****************************************************************************/ |
| static int |
| ips_send_cmd(ips_ha_t *ha, ips_scb_t *scb) { |
| int ret; |
| char *sp; |
| int device_error; |
| IPS_DCDB_TABLE_TAPE *tapeDCDB; |
| |
| METHOD_TRACE("ips_send_cmd", 1); |
| |
| ret = IPS_SUCCESS; |
| |
| if (!scb->scsi_cmd) { |
| /* internal command */ |
| |
| if (scb->bus > 0) { |
| /* ServeRAID commands can't be issued */ |
| /* to real devices -- fail them */ |
| if ((ha->waitflag == TRUE) && |
| (ha->cmd_in_progress == scb->cdb[0])) { |
| ha->waitflag = FALSE; |
| } |
| |
| return (1); |
| } |
| } else if ((scb->bus == 0) && (!ips_is_passthru(scb->scsi_cmd))) { |
| /* command to logical bus -- interpret */ |
| ret = IPS_SUCCESS_IMM; |
| |
| switch (scb->scsi_cmd->cmnd[0]) { |
| case ALLOW_MEDIUM_REMOVAL: |
| case REZERO_UNIT: |
| case ERASE: |
| case WRITE_FILEMARKS: |
| case SPACE: |
| scb->scsi_cmd->result = DID_ERROR << 16; |
| break; |
| |
| case START_STOP: |
| scb->scsi_cmd->result = DID_OK << 16; |
| |
| case TEST_UNIT_READY: |
| case INQUIRY: |
| if (scb->target_id == IPS_ADAPTER_ID) { |
| /* |
| * Either we have a TUR |
| * or we have a SCSI inquiry |
| */ |
| if (scb->scsi_cmd->cmnd[0] == TEST_UNIT_READY) |
| scb->scsi_cmd->result = DID_OK << 16; |
| |
| if (scb->scsi_cmd->cmnd[0] == INQUIRY) { |
| IPS_SCSI_INQ_DATA inquiry; |
| |
| memset(&inquiry, 0, sizeof(IPS_SCSI_INQ_DATA)); |
| |
| inquiry.DeviceType = IPS_SCSI_INQ_TYPE_PROCESSOR; |
| inquiry.DeviceTypeQualifier = IPS_SCSI_INQ_LU_CONNECTED; |
| inquiry.Version = IPS_SCSI_INQ_REV2; |
| inquiry.ResponseDataFormat = IPS_SCSI_INQ_RD_REV2; |
| inquiry.AdditionalLength = 31; |
| inquiry.Flags[0] = IPS_SCSI_INQ_Address16; |
| inquiry.Flags[1] = IPS_SCSI_INQ_WBus16 | IPS_SCSI_INQ_Sync; |
| strncpy(inquiry.VendorId, "IBM ", 8); |
| strncpy(inquiry.ProductId, "SERVERAID ", 16); |
| strncpy(inquiry.ProductRevisionLevel, "1.00", 4); |
| |
| memcpy(scb->scsi_cmd->request_buffer, &inquiry, scb->scsi_cmd->request_bufflen); |
| |
| scb->scsi_cmd->result = DID_OK << 16; |
| } |
| } else { |
| scb->cmd.logical_info.op_code = IPS_CMD_GET_LD_INFO; |
| scb->cmd.logical_info.command_id = IPS_COMMAND_ID(ha, scb); |
| scb->cmd.logical_info.reserved = 0; |
| scb->cmd.logical_info.reserved2 = 0; |
| scb->data_len = sizeof(ha->adapt->logical_drive_info); |
| scb->data_busaddr = ha->adapt->hw_status_start + sizeof(IPS_ADAPTER) |
| - sizeof(IPS_LD_INFO); |
| scb->cmd.logical_info.buffer_addr = scb->data_busaddr; |
| ret = IPS_SUCCESS; |
| } |
| |
| break; |
| |
| case REQUEST_SENSE: |
| ips_reqsen(ha, scb); |
| scb->scsi_cmd->result = DID_OK << 16; |
| break; |
| |
| case READ_6: |
| case WRITE_6: |
| if (!scb->sg_len) { |
| scb->cmd.basic_io.op_code = |
| (scb->scsi_cmd->cmnd[0] == READ_6) ? IPS_CMD_READ : IPS_CMD_WRITE; |
| } else { |
| scb->cmd.basic_io.op_code = |
| (scb->scsi_cmd->cmnd[0] == READ_6) ? IPS_CMD_READ_SG : IPS_CMD_WRITE_SG; |
| } |
| |
| scb->cmd.basic_io.command_id = IPS_COMMAND_ID(ha, scb); |
| scb->cmd.basic_io.log_drv = scb->target_id; |
| scb->cmd.basic_io.sg_count = scb->sg_len; |
| scb->cmd.basic_io.sg_addr = cpu_to_le32(scb->data_busaddr); |
| |
| if (scb->cmd.basic_io.lba) |
| scb->cmd.basic_io.lba = cpu_to_le32(le32_to_cpu(scb->cmd.basic_io.lba) + |
| le16_to_cpu(scb->cmd.basic_io.sector_count)); |
| else |
| scb->cmd.basic_io.lba = (((scb->scsi_cmd->cmnd[1] & 0x1f) << 16) | |
| (scb->scsi_cmd->cmnd[2] << 8) | |
| (scb->scsi_cmd->cmnd[3])); |
| |
| scb->cmd.basic_io.sector_count = cpu_to_le16(scb->data_len / IPS_BLKSIZE); |
| |
| if (le16_to_cpu(scb->cmd.basic_io.sector_count) == 0) |
| scb->cmd.basic_io.sector_count = cpu_to_le16(256); |
| |
| scb->cmd.basic_io.reserved = 0; |
| ret = IPS_SUCCESS; |
| break; |
| |
| case READ_10: |
| case WRITE_10: |
| if (!scb->sg_len) { |
| scb->cmd.basic_io.op_code = |
| (scb->scsi_cmd->cmnd[0] == READ_10) ? IPS_CMD_READ : IPS_CMD_WRITE; |
| } else { |
| scb->cmd.basic_io.op_code = |
| (scb->scsi_cmd->cmnd[0] == READ_10) ? IPS_CMD_READ_SG : IPS_CMD_WRITE_SG; |
| } |
| |
| scb->cmd.basic_io.command_id = IPS_COMMAND_ID(ha, scb); |
| scb->cmd.basic_io.log_drv = scb->target_id; |
| scb->cmd.basic_io.sg_count = scb->sg_len; |
| scb->cmd.basic_io.sg_addr = cpu_to_le32(scb->data_busaddr); |
| |
| if (scb->cmd.basic_io.lba) |
| scb->cmd.basic_io.lba = cpu_to_le32(le32_to_cpu(scb->cmd.basic_io.lba) + |
| le16_to_cpu(scb->cmd.basic_io.sector_count)); |
| else |
| scb->cmd.basic_io.lba = ((scb->scsi_cmd->cmnd[2] << 24) | |
| (scb->scsi_cmd->cmnd[3] << 16) | |
| (scb->scsi_cmd->cmnd[4] << 8) | |
| scb->scsi_cmd->cmnd[5]); |
| |
| scb->cmd.basic_io.sector_count = cpu_to_le16(scb->data_len / IPS_BLKSIZE); |
| |
| scb->cmd.basic_io.reserved = 0; |
| |
| if (cpu_to_le16(scb->cmd.basic_io.sector_count) == 0) { |
| /* |
| * This is a null condition |
| * we don't have to do anything |
| * so just return |
| */ |
| scb->scsi_cmd->result = DID_OK << 16; |
| } else |
| ret = IPS_SUCCESS; |
| |
| break; |
| |
| case RESERVE: |
| case RELEASE: |
| scb->scsi_cmd->result = DID_OK << 16; |
| break; |
| |
| case MODE_SENSE: |
| scb->cmd.basic_io.op_code = IPS_CMD_ENQUIRY; |
| scb->cmd.basic_io.command_id = IPS_COMMAND_ID(ha, scb); |
| scb->data_len = sizeof(*ha->enq); |
| scb->data_busaddr = pci_map_single(ha->pcidev, ha->enq, |
| scb->data_len, IPS_DMA_DIR(scb)); |
| scb->cmd.basic_io.sg_addr = scb->data_busaddr; |
| scb->flags |= IPS_SCB_MAP_SINGLE; |
| ret = IPS_SUCCESS; |
| break; |
| |
| case READ_CAPACITY: |
| scb->cmd.logical_info.op_code = IPS_CMD_GET_LD_INFO; |
| scb->cmd.logical_info.command_id = IPS_COMMAND_ID(ha, scb); |
| scb->cmd.logical_info.reserved = 0; |
| scb->cmd.logical_info.reserved2 = 0; |
| scb->cmd.logical_info.reserved3 = 0; |
| scb->data_len = sizeof(ha->adapt->logical_drive_info); |
| scb->data_busaddr = ha->adapt->hw_status_start + sizeof(IPS_ADAPTER) |
| - sizeof(IPS_LD_INFO); |
| scb->cmd.logical_info.buffer_addr = scb->data_busaddr; |
| ret = IPS_SUCCESS; |
| break; |
| |
| case SEND_DIAGNOSTIC: |
| case REASSIGN_BLOCKS: |
| case FORMAT_UNIT: |
| case SEEK_10: |
| case VERIFY: |
| case READ_DEFECT_DATA: |
| case READ_BUFFER: |
| case WRITE_BUFFER: |
| scb->scsi_cmd->result = DID_OK << 16; |
| break; |
| |
| default: |
| /* Set the Return Info to appear like the Command was */ |
| /* attempted, a Check Condition occurred, and Sense */ |
| /* Data indicating an Invalid CDB OpCode is returned. */ |
| sp = (char *) scb->scsi_cmd->sense_buffer; |
| memset(sp, 0, sizeof(scb->scsi_cmd->sense_buffer)); |
| |
| sp[0] = 0x70; /* Error Code */ |
| sp[2] = ILLEGAL_REQUEST; /* Sense Key 5 Illegal Req. */ |
| sp[7] = 0x0A; /* Additional Sense Length */ |
| sp[12] = 0x20; /* ASC = Invalid OpCode */ |
| sp[13] = 0x00; /* ASCQ */ |
| |
| device_error = 2; /* Indicate Check Condition */ |
| scb->scsi_cmd->result = device_error | (DID_OK << 16); |
| break; |
| } /* end switch */ |
| } /* end if */ |
| |
| if (ret == IPS_SUCCESS_IMM) |
| return (ret); |
| |
| /* setup DCDB */ |
| if (scb->bus > 0) { |
| if (!scb->sg_len) |
| scb->cmd.dcdb.op_code = IPS_CMD_DCDB; |
| else |
| scb->cmd.dcdb.op_code = IPS_CMD_DCDB_SG; |
| |
| /* If we already know the Device is Not there, no need to attempt a Command */ |
| /* This also protects an NT FailOver Controller from getting CDB's sent to it */ |
| if ( ha->conf->dev[scb->bus-1][scb->target_id].ucState == 0 ) { |
| scb->scsi_cmd->result = DID_NO_CONNECT << 16; |
| return (IPS_SUCCESS_IMM); |
| } |
| |
| ha->dcdb_active[scb->bus-1] |= (1 << scb->target_id); |
| scb->cmd.dcdb.command_id = IPS_COMMAND_ID(ha, scb); |
| scb->cmd.dcdb.dcdb_address = cpu_to_le32(scb->scb_busaddr + |
| (unsigned long)&scb->dcdb - |
| (unsigned long)scb); |
| scb->cmd.dcdb.reserved = 0; |
| scb->cmd.dcdb.reserved2 = 0; |
| scb->cmd.dcdb.reserved3 = 0; |
| |
| if (ha->subsys->param[4] & 0x00100000) { /* If NEW Tape DCDB is Supported */ |
| if (!scb->sg_len) |
| scb->cmd.dcdb.op_code = IPS_CMD_EXTENDED_DCDB; |
| else |
| scb->cmd.dcdb.op_code = IPS_CMD_EXTENDED_DCDB_SG; |
| |
| tapeDCDB = (IPS_DCDB_TABLE_TAPE *) &scb->dcdb; /* Use Same Data Area as Old DCDB Struct */ |
| tapeDCDB->device_address = ((scb->bus - 1) << 4) | scb->target_id; |
| tapeDCDB->cmd_attribute |= IPS_DISCONNECT_ALLOWED; |
| |
| if (scb->timeout) { |
| if (scb->timeout <= 10) |
| tapeDCDB->cmd_attribute |= IPS_TIMEOUT10; |
| else if (scb->timeout <= 60) |
| tapeDCDB->cmd_attribute |= IPS_TIMEOUT60; |
| else |
| tapeDCDB->cmd_attribute |= IPS_TIMEOUT20M; |
| } |
| |
| if (!(tapeDCDB->cmd_attribute & IPS_TIMEOUT20M)) |
| tapeDCDB->cmd_attribute |= IPS_TIMEOUT20M; |
| |
| tapeDCDB->sense_length = sizeof(tapeDCDB->sense_info); |
| tapeDCDB->transfer_length = scb->data_len; |
| tapeDCDB->buffer_pointer = cpu_to_le32(scb->data_busaddr); |
| tapeDCDB->sg_count = scb->sg_len; |
| tapeDCDB->cdb_length = scb->scsi_cmd->cmd_len; |
| memcpy(tapeDCDB->scsi_cdb, scb->scsi_cmd->cmnd, scb->scsi_cmd->cmd_len); |
| } else { |
| scb->dcdb.device_address = ((scb->bus - 1) << 4) | scb->target_id; |
| scb->dcdb.cmd_attribute |= IPS_DISCONNECT_ALLOWED; |
| |
| if (scb->timeout) { |
| if (scb->timeout <= 10) |
| scb->dcdb.cmd_attribute |= IPS_TIMEOUT10; |
| else if (scb->timeout <= 60) |
| scb->dcdb.cmd_attribute |= IPS_TIMEOUT60; |
| else |
| scb->dcdb.cmd_attribute |= IPS_TIMEOUT20M; |
| } |
| |
| if (!(scb->dcdb.cmd_attribute & IPS_TIMEOUT20M)) |
| scb->dcdb.cmd_attribute |= IPS_TIMEOUT20M; |
| |
| scb->dcdb.sense_length = sizeof(scb->dcdb.sense_info); |
| scb->dcdb.transfer_length = scb->data_len; |
| scb->dcdb.buffer_pointer = cpu_to_le32(scb->data_busaddr); |
| scb->dcdb.sg_count = scb->sg_len; |
| scb->dcdb.cdb_length = scb->scsi_cmd->cmd_len; |
| memcpy(scb->dcdb.scsi_cdb, scb->scsi_cmd->cmnd, scb->scsi_cmd->cmd_len); |
| } |
| } |
| |
| return ((*ha->func.issue)(ha, scb)); |
| } |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: ips_chk_status */ |
| /* */ |
| /* Routine Description: */ |
| /* */ |
| /* Check the status of commands to logical drives */ |
| /* */ |
| /****************************************************************************/ |
| static void |
| ips_chkstatus(ips_ha_t *ha, IPS_STATUS *pstatus) { |
| ips_scb_t *scb; |
| ips_stat_t *sp; |
| uint8_t basic_status; |
| uint8_t ext_status; |
| int errcode; |
| |
| METHOD_TRACE("ips_chkstatus", 1); |
| |
| scb = &ha->scbs[pstatus->fields.command_id]; |
| scb->basic_status = basic_status = pstatus->fields.basic_status & IPS_BASIC_STATUS_MASK; |
| scb->extended_status = ext_status = pstatus->fields.extended_status; |
| |
| sp = &ha->sp; |
| sp->residue_len = 0; |
| sp->scb_addr = (void *) scb; |
| |
| /* Remove the item from the active queue */ |
| ips_removeq_scb(&ha->scb_activelist, scb); |
| |
| if (!scb->scsi_cmd) |
| /* internal commands are handled in do_ipsintr */ |
| return ; |
| |
| DEBUG_VAR(2, "(%s%d) ips_chkstatus: cmd 0x%X id %d (%d %d %d)", |
| ips_name, |
| ha->host_num, |
| scb->cdb[0], |
| scb->cmd.basic_io.command_id, |
| scb->bus, |
| scb->target_id, |
| scb->lun); |
| |
| if ((scb->scsi_cmd) && (ips_is_passthru(scb->scsi_cmd))) |
| /* passthru - just returns the raw result */ |
| return ; |
| |
| errcode = DID_OK; |
| |
| if (((basic_status & IPS_GSC_STATUS_MASK) == IPS_CMD_SUCCESS) || |
| ((basic_status & IPS_GSC_STATUS_MASK) == IPS_CMD_RECOVERED_ERROR)) { |
| |
| if (scb->bus == 0) { |
| if ((basic_status & IPS_GSC_STATUS_MASK) == IPS_CMD_RECOVERED_ERROR) { |
| DEBUG_VAR(1, "(%s%d) Recovered Logical Drive Error OpCode: %x, BSB: %x, ESB: %x", |
| ips_name, ha->host_num, |
| scb->cmd.basic_io.op_code, basic_status, ext_status); |
| } |
| |
| switch (scb->scsi_cmd->cmnd[0]) { |
| case ALLOW_MEDIUM_REMOVAL: |
| case REZERO_UNIT: |
| case ERASE: |
| case WRITE_FILEMARKS: |
| case SPACE: |
| errcode = DID_ERROR; |
| break; |
| |
| case START_STOP: |
| break; |
| |
| case TEST_UNIT_READY: |
| if (!ips_online(ha, scb)) { |
| errcode = DID_TIME_OUT; |
| } |
| break; |
| |
| case INQUIRY: |
| if (ips_online(ha, scb)) { |
| ips_inquiry(ha, scb); |
| } else { |
| errcode = DID_TIME_OUT; |
| } |
| break; |
| |
| case REQUEST_SENSE: |
| ips_reqsen(ha, scb); |
| break; |
| |
| case READ_6: |
| case WRITE_6: |
| case READ_10: |
| case WRITE_10: |
| case RESERVE: |
| case RELEASE: |
| break; |
| |
| case MODE_SENSE: |
| if (!ips_online(ha, scb) || !ips_msense(ha, scb)) { |
| errcode = DID_ERROR; |
| } |
| break; |
| |
| case READ_CAPACITY: |
| if (ips_online(ha, scb)) |
| ips_rdcap(ha, scb); |
| else { |
| errcode = DID_TIME_OUT; |
| } |
| break; |
| |
| case SEND_DIAGNOSTIC: |
| case REASSIGN_BLOCKS: |
| break; |
| |
| case FORMAT_UNIT: |
| errcode = DID_ERROR; |
| break; |
| |
| case SEEK_10: |
| case VERIFY: |
| case READ_DEFECT_DATA: |
| case READ_BUFFER: |
| case WRITE_BUFFER: |
| break; |
| |
| default: |
| errcode = DID_ERROR; |
| } /* end switch */ |
| |
| scb->scsi_cmd->result = errcode << 16; |
| } else { /* bus == 0 */ |
| /* restrict access to physical drives */ |
| if ((scb->scsi_cmd->cmnd[0] == INQUIRY) && |
| ((((char *) scb->scsi_cmd->buffer)[0] & 0x1f) == TYPE_DISK)) { |
| |
| scb->scsi_cmd->result = DID_TIME_OUT << 16; |
| } |
| } /* else */ |
| } else { /* recovered error / success */ |
| if (scb->bus == 0) { |
| DEBUG_VAR(1, "(%s%d) Unrecovered Logical Drive Error OpCode: %x, BSB: %x, ESB: %x", |
| ips_name, ha->host_num, |
| scb->cmd.basic_io.op_code, basic_status, ext_status); |
| } |
| |
| ips_map_status(ha, scb, sp); |
| } /* else */ |
| } |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: ips_online */ |
| /* */ |
| /* Routine Description: */ |
| /* */ |
| /* Determine if a logical drive is online */ |
| /* */ |
| /****************************************************************************/ |
| static int |
| ips_online(ips_ha_t *ha, ips_scb_t *scb) { |
| METHOD_TRACE("ips_online", 1); |
| |
| if (scb->target_id >= IPS_MAX_LD) |
| return (0); |
| |
| if ((scb->basic_status & IPS_GSC_STATUS_MASK) > 1) { |
| memset(&ha->adapt->logical_drive_info, 0, sizeof(ha->adapt->logical_drive_info)); |
| |
| return (0); |
| } |
| |
| if (ha->adapt->logical_drive_info.drive_info[scb->target_id].state != IPS_LD_OFFLINE && |
| ha->adapt->logical_drive_info.drive_info[scb->target_id].state != IPS_LD_FREE && |
| ha->adapt->logical_drive_info.drive_info[scb->target_id].state != IPS_LD_CRS && |
| ha->adapt->logical_drive_info.drive_info[scb->target_id].state != IPS_LD_SYS) |
| return (1); |
| else |
| return (0); |
| } |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: ips_inquiry */ |
| /* */ |
| /* Routine Description: */ |
| /* */ |
| /* Simulate an inquiry command to a logical drive */ |
| /* */ |
| /****************************************************************************/ |
| static int |
| ips_inquiry(ips_ha_t *ha, ips_scb_t *scb) { |
| IPS_SCSI_INQ_DATA inquiry; |
| |
| METHOD_TRACE("ips_inquiry", 1); |
| |
| memset(&inquiry, 0, sizeof(IPS_SCSI_INQ_DATA)); |
| |
| inquiry.DeviceType = IPS_SCSI_INQ_TYPE_DASD; |
| inquiry.DeviceTypeQualifier = IPS_SCSI_INQ_LU_CONNECTED; |
| inquiry.Version = IPS_SCSI_INQ_REV2; |
| inquiry.ResponseDataFormat = IPS_SCSI_INQ_RD_REV2; |
| inquiry.AdditionalLength = 31; |
| inquiry.Flags[0] = IPS_SCSI_INQ_Address16; |
| inquiry.Flags[1] = IPS_SCSI_INQ_WBus16 | IPS_SCSI_INQ_Sync; |
| strncpy(inquiry.VendorId, "IBM ", 8); |
| strncpy(inquiry.ProductId, "SERVERAID ", 16); |
| strncpy(inquiry.ProductRevisionLevel, "1.00", 4); |
| |
| memcpy(scb->scsi_cmd->request_buffer, &inquiry, scb->scsi_cmd->request_bufflen); |
| |
| return (1); |
| } |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: ips_rdcap */ |
| /* */ |
| /* Routine Description: */ |
| /* */ |
| /* Simulate a read capacity command to a logical drive */ |
| /* */ |
| /****************************************************************************/ |
| static int |
| ips_rdcap(ips_ha_t *ha, ips_scb_t *scb) { |
| IPS_SCSI_CAPACITY *cap; |
| |
| METHOD_TRACE("ips_rdcap", 1); |
| |
| if (scb->scsi_cmd->bufflen < 8) |
| return (0); |
| |
| cap = (IPS_SCSI_CAPACITY *) scb->scsi_cmd->request_buffer; |
| |
| cap->lba = cpu_to_be32(le32_to_cpu(ha->adapt->logical_drive_info.drive_info[scb->target_id].sector_count) - 1); |
| cap->len = cpu_to_be32((uint32_t) IPS_BLKSIZE); |
| |
| return (1); |
| } |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: ips_msense */ |
| /* */ |
| /* Routine Description: */ |
| /* */ |
| /* Simulate a mode sense command to a logical drive */ |
| /* */ |
| /****************************************************************************/ |
| static int |
| ips_msense(ips_ha_t *ha, ips_scb_t *scb) { |
| uint16_t heads; |
| uint16_t sectors; |
| uint32_t cylinders; |
| IPS_SCSI_MODE_PAGE_DATA mdata; |
| |
| METHOD_TRACE("ips_msense", 1); |
| |
| if (le32_to_cpu(ha->enq->ulDriveSize[scb->target_id]) > 0x400000 && |
| (ha->enq->ucMiscFlag & 0x8) == 0) { |
| heads = IPS_NORM_HEADS; |
| sectors = IPS_NORM_SECTORS; |
| } else { |
| heads = IPS_COMP_HEADS; |
| sectors = IPS_COMP_SECTORS; |
| } |
| |
| cylinders = (le32_to_cpu(ha->enq->ulDriveSize[scb->target_id]) - 1) / (heads * sectors); |
| |
| memset(&mdata, 0, sizeof(IPS_SCSI_MODE_PAGE_DATA)); |
| |
| mdata.hdr.BlockDescLength = 8; |
| |
| switch (scb->scsi_cmd->cmnd[2] & 0x3f) { |
| case 0x03: /* page 3 */ |
| mdata.pdata.pg3.PageCode = 3; |
| mdata.pdata.pg3.PageLength = sizeof(IPS_SCSI_MODE_PAGE3); |
| mdata.hdr.DataLength = 3 + mdata.hdr.BlockDescLength + mdata.pdata.pg3.PageLength; |
| mdata.pdata.pg3.TracksPerZone = 0; |
| mdata.pdata.pg3.AltSectorsPerZone = 0; |
| mdata.pdata.pg3.AltTracksPerZone = 0; |
| mdata.pdata.pg3.AltTracksPerVolume = 0; |
| mdata.pdata.pg3.SectorsPerTrack = cpu_to_be16(sectors); |
| mdata.pdata.pg3.BytesPerSector = cpu_to_be16(IPS_BLKSIZE); |
| mdata.pdata.pg3.Interleave = cpu_to_be16(1); |
| mdata.pdata.pg3.TrackSkew = 0; |
| mdata.pdata.pg3.CylinderSkew = 0; |
| mdata.pdata.pg3.flags = IPS_SCSI_MP3_SoftSector; |
| break; |
| |
| case 0x4: |
| mdata.pdata.pg4.PageCode = 4; |
| mdata.pdata.pg4.PageLength = sizeof(IPS_SCSI_MODE_PAGE4); |
| mdata.hdr.DataLength = 3 + mdata.hdr.BlockDescLength + mdata.pdata.pg4.PageLength; |
| mdata.pdata.pg4.CylindersHigh = cpu_to_be16((cylinders >> 8) & 0xFFFF); |
| mdata.pdata.pg4.CylindersLow = (cylinders & 0xFF); |
| mdata.pdata.pg4.Heads = heads; |
| mdata.pdata.pg4.WritePrecompHigh = 0; |
| mdata.pdata.pg4.WritePrecompLow = 0; |
| mdata.pdata.pg4.ReducedWriteCurrentHigh = 0; |
| mdata.pdata.pg4.ReducedWriteCurrentLow = 0; |
| mdata.pdata.pg4.StepRate = cpu_to_be16(1); |
| mdata.pdata.pg4.LandingZoneHigh = 0; |
| mdata.pdata.pg4.LandingZoneLow = 0; |
| mdata.pdata.pg4.flags = 0; |
| mdata.pdata.pg4.RotationalOffset = 0; |
| mdata.pdata.pg4.MediumRotationRate = 0; |
| break; |
| |
| default: |
| return (0); |
| } /* end switch */ |
| |
| memcpy(scb->scsi_cmd->request_buffer, &mdata, scb->scsi_cmd->request_bufflen); |
| |
| return (1); |
| } |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: ips_reqsen */ |
| /* */ |
| /* Routine Description: */ |
| /* */ |
| /* Simulate a request sense command to a logical drive */ |
| /* */ |
| /****************************************************************************/ |
| static int |
| ips_reqsen(ips_ha_t *ha, ips_scb_t *scb) { |
| IPS_SCSI_REQSEN reqsen; |
| |
| METHOD_TRACE("ips_reqsen", 1); |
| |
| memset(&reqsen, 0, sizeof(IPS_SCSI_REQSEN)); |
| |
| reqsen.ResponseCode = IPS_SCSI_REQSEN_VALID | IPS_SCSI_REQSEN_CURRENT_ERR; |
| reqsen.AdditionalLength = 10; |
| reqsen.AdditionalSenseCode = IPS_SCSI_REQSEN_NO_SENSE; |
| reqsen.AdditionalSenseCodeQual = IPS_SCSI_REQSEN_NO_SENSE; |
| |
| memcpy(scb->scsi_cmd->request_buffer, &reqsen, scb->scsi_cmd->request_bufflen); |
| |
| return (1); |
| } |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: ips_free */ |
| /* */ |
| /* Routine Description: */ |
| /* */ |
| /* Free any allocated space for this controller */ |
| /* */ |
| /****************************************************************************/ |
| static void |
| ips_free(ips_ha_t *ha) { |
| |
| METHOD_TRACE("ips_free", 1); |
| |
| if (ha) { |
| if (ha->enq) { |
| kfree(ha->enq); |
| ha->enq = NULL; |
| } |
| |
| if (ha->conf) { |
| kfree(ha->conf); |
| ha->conf = NULL; |
| } |
| |
| if (ha->adapt) { |
| pci_free_consistent(ha->pcidev,sizeof(IPS_ADAPTER)+ sizeof(IPS_IO_CMD), |
| ha->adapt, ha->adapt->hw_status_start); |
| ha->adapt = NULL; |
| } |
| |
| if (ha->nvram) { |
| kfree(ha->nvram); |
| ha->nvram = NULL; |
| } |
| |
| if (ha->subsys) { |
| kfree(ha->subsys); |
| ha->subsys = NULL; |
| } |
| |
| if (ha->ioctl_data) { |
| free_pages((unsigned long) ha->ioctl_data, ha->ioctl_order); |
| ha->ioctl_data = NULL; |
| ha->ioctl_datasize = 0; |
| ha->ioctl_order = 0; |
| } |
| ips_deallocatescbs(ha, ha->max_cmds); |
| |
| /* free memory mapped (if applicable) */ |
| if (ha->mem_ptr) { |
| iounmap(ha->ioremap_ptr); |
| ha->ioremap_ptr = NULL; |
| ha->mem_ptr = NULL; |
| } |
| |
| #if LINUX_VERSION_CODE >= LinuxVersionCode(2,4,0) |
| if (ha->mem_addr) |
| release_mem_region(ha->mem_addr, ha->mem_len); |
| #endif |
| ha->mem_addr = 0; |
| |
| } |
| } |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: ips_deallocatescbs */ |
| /* */ |
| /* Routine Description: */ |
| /* */ |
| /* Free the command blocks */ |
| /* */ |
| /****************************************************************************/ |
| static int |
| ips_deallocatescbs(ips_ha_t *ha, int cmds) { |
| if (ha->scbs) { |
| pci_free_consistent(ha->pcidev,sizeof(IPS_SG_LIST) * IPS_MAX_SG * |
| cmds, ha->scbs->sg_list, ha->scbs->sg_busaddr); |
| pci_free_consistent(ha->pcidev, sizeof(ips_scb_t) * cmds, |
| ha->scbs, ha->scbs->scb_busaddr); |
| ha->scbs = NULL; |
| } /* end if */ |
| return 1; |
| } |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: ips_allocatescbs */ |
| /* */ |
| /* Routine Description: */ |
| /* */ |
| /* Allocate the command blocks */ |
| /* */ |
| /****************************************************************************/ |
| static int |
| ips_allocatescbs(ips_ha_t *ha) { |
| ips_scb_t *scb_p; |
| IPS_SG_LIST* ips_sg; |
| int i; |
| dma_addr_t command_dma, sg_dma; |
| |
| METHOD_TRACE("ips_allocatescbs", 1); |
| |
| /* Allocate memory for the SCBs */ |
| ha->scbs = pci_alloc_consistent(ha->pcidev, ha->max_cmds * sizeof(ips_scb_t), |
| &command_dma); |
| if (ha->scbs == NULL) |
| return 0; |
| ips_sg = pci_alloc_consistent(ha->pcidev, sizeof(IPS_SG_LIST) * IPS_MAX_SG * |
| ha->max_cmds, &sg_dma); |
| if(ips_sg == NULL){ |
| pci_free_consistent(ha->pcidev,ha->max_cmds * sizeof(ips_scb_t),ha->scbs, command_dma); |
| return 0; |
| } |
| |
| memset(ha->scbs, 0, ha->max_cmds * sizeof(ips_scb_t)); |
| |
| for (i = 0; i < ha->max_cmds; i++) { |
| scb_p = &ha->scbs[i]; |
| scb_p->scb_busaddr = command_dma + sizeof(ips_scb_t) * i; |
| /* set up S/G list */ |
| scb_p->sg_list = ips_sg + i * IPS_MAX_SG; |
| scb_p->sg_busaddr = sg_dma + sizeof(IPS_SG_LIST) * IPS_MAX_SG * i; |
| |
| /* add to the free list */ |
| if (i < ha->max_cmds - 1) { |
| scb_p->q_next = ha->scb_freelist; |
| ha->scb_freelist = scb_p; |
| } |
| } |
| |
| /* success */ |
| return (1); |
| } |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: ips_init_scb */ |
| /* */ |
| /* Routine Description: */ |
| /* */ |
| /* Initialize a CCB to default values */ |
| /* */ |
| /****************************************************************************/ |
| static void |
| ips_init_scb(ips_ha_t *ha, ips_scb_t *scb) { |
| IPS_SG_LIST *sg_list; |
| uint32_t cmd_busaddr, sg_busaddr; |
| METHOD_TRACE("ips_init_scb", 1); |
| |
| if (scb == NULL) |
| return ; |
| |
| sg_list = scb->sg_list; |
| cmd_busaddr = scb->scb_busaddr; |
| sg_busaddr = scb->sg_busaddr; |
| /* zero fill */ |
| memset(scb, 0, sizeof(ips_scb_t)); |
| memset(ha->dummy, 0, sizeof(IPS_IO_CMD)); |
| |
| /* Initialize dummy command bucket */ |
| ha->dummy->op_code = 0xFF; |
| ha->dummy->ccsar = cpu_to_le32(ha->adapt->hw_status_start |
| + sizeof(IPS_ADAPTER)); |
| ha->dummy->command_id = IPS_MAX_CMDS; |
| |
| /* set bus address of scb */ |
| scb->scb_busaddr = cmd_busaddr; |
| scb->sg_busaddr = sg_busaddr; |
| scb->sg_list = sg_list; |
| |
| /* Neptune Fix */ |
| scb->cmd.basic_io.cccr = cpu_to_le32((uint32_t) IPS_BIT_ILE); |
| scb->cmd.basic_io.ccsar = cpu_to_le32(ha->adapt->hw_status_start |
| + sizeof(IPS_ADAPTER)); |
| } |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: ips_get_scb */ |
| /* */ |
| /* Routine Description: */ |
| /* */ |
| /* Initialize a CCB to default values */ |
| /* */ |
| /* ASSUMED to be callled from within a lock */ |
| /* */ |
| /****************************************************************************/ |
| static ips_scb_t * |
| ips_getscb(ips_ha_t *ha) { |
| ips_scb_t *scb; |
| unsigned long cpu_flags; |
| |
| METHOD_TRACE("ips_getscb", 1); |
| |
| IPS_SCB_LOCK(cpu_flags); |
| if ((scb = ha->scb_freelist) == NULL) { |
| IPS_SCB_UNLOCK(cpu_flags); |
| |
| return (NULL); |
| } |
| |
| ha->scb_freelist = scb->q_next; |
| scb->q_next = NULL; |
| |
| IPS_SCB_UNLOCK(cpu_flags); |
| |
| ips_init_scb(ha, scb); |
| |
| return (scb); |
| } |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: ips_free_scb */ |
| /* */ |
| /* Routine Description: */ |
| /* */ |
| /* Return an unused CCB back to the free list */ |
| /* */ |
| /* ASSUMED to be called from within a lock */ |
| /* */ |
| /****************************************************************************/ |
| static void |
| ips_freescb(ips_ha_t *ha, ips_scb_t *scb) { |
| unsigned long cpu_flags; |
| |
| METHOD_TRACE("ips_freescb", 1); |
| if(scb->flags & IPS_SCB_MAP_SG) |
| pci_unmap_sg(ha->pcidev, scb->scsi_cmd->request_buffer, |
| scb->scsi_cmd->use_sg, |
| IPS_DMA_DIR(scb)); |
| else if(scb->flags & IPS_SCB_MAP_SINGLE) |
| pci_unmap_single(ha->pcidev, scb->data_busaddr, scb->data_len, |
| IPS_DMA_DIR(scb)); |
| |
| /* check to make sure this is not our "special" scb */ |
| if (IPS_COMMAND_ID(ha, scb) < (ha->max_cmds - 1)) { |
| IPS_SCB_LOCK(cpu_flags); |
| scb->q_next = ha->scb_freelist; |
| ha->scb_freelist = scb; |
| IPS_SCB_UNLOCK(cpu_flags); |
| } |
| } |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: ips_isinit_copperhead */ |
| /* */ |
| /* Routine Description: */ |
| /* */ |
| /* Is controller initialized ? */ |
| /* */ |
| /****************************************************************************/ |
| static int |
| ips_isinit_copperhead(ips_ha_t *ha) { |
| uint8_t scpr; |
| uint8_t isr; |
| |
| METHOD_TRACE("ips_isinit_copperhead", 1); |
| |
| isr = inb(ha->io_addr + IPS_REG_HISR); |
| scpr = inb(ha->io_addr + IPS_REG_SCPR); |
| |
| if (((isr & IPS_BIT_EI) == 0) && ((scpr & IPS_BIT_EBM) == 0)) |
| return (0); |
| else |
| return (1); |
| } |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: ips_isinit_copperhead_memio */ |
| /* */ |
| /* Routine Description: */ |
| /* */ |
| /* Is controller initialized ? */ |
| /* */ |
| /****************************************************************************/ |
| static int |
| ips_isinit_copperhead_memio(ips_ha_t *ha) { |
| uint8_t isr=0; |
| uint8_t scpr; |
| |
| METHOD_TRACE("ips_is_init_copperhead_memio", 1); |
| |
| isr = readb(ha->mem_ptr + IPS_REG_HISR); |
| scpr = readb(ha->mem_ptr + IPS_REG_SCPR); |
| |
| if (((isr & IPS_BIT_EI) == 0) && ((scpr & IPS_BIT_EBM) == 0)) |
| return (0); |
| else |
| return (1); |
| } |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: ips_isinit_morpheus */ |
| /* */ |
| /* Routine Description: */ |
| /* */ |
| /* Is controller initialized ? */ |
| /* */ |
| /****************************************************************************/ |
| static int |
| ips_isinit_morpheus(ips_ha_t *ha) { |
| uint32_t post; |
| uint32_t bits; |
| |
| METHOD_TRACE("ips_is_init_morpheus", 1); |
| |
| post = readl(ha->mem_ptr + IPS_REG_I960_MSG0); |
| bits = readl(ha->mem_ptr + IPS_REG_I2O_HIR); |
| |
| if (post == 0) |
| return (0); |
| else if (bits & 0x3) |
| return (0); |
| else |
| return (1); |
| } |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: ips_enable_int_copperhead */ |
| /* */ |
| /* Routine Description: */ |
| /* Turn on interrupts */ |
| /* */ |
| /****************************************************************************/ |
| static void |
| ips_enable_int_copperhead(ips_ha_t *ha) { |
| METHOD_TRACE("ips_enable_int_copperhead", 1); |
| |
| outb(ha->io_addr + IPS_REG_HISR, IPS_BIT_EI); |
| } |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: ips_enable_int_copperhead_memio */ |
| /* */ |
| /* Routine Description: */ |
| /* Turn on interrupts */ |
| /* */ |
| /****************************************************************************/ |
| static void |
| ips_enable_int_copperhead_memio(ips_ha_t *ha) { |
| METHOD_TRACE("ips_enable_int_copperhead_memio", 1); |
| |
| writeb(IPS_BIT_EI, ha->mem_ptr + IPS_REG_HISR); |
| } |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: ips_enable_int_morpheus */ |
| /* */ |
| /* Routine Description: */ |
| /* Turn on interrupts */ |
| /* */ |
| /****************************************************************************/ |
| static void |
| ips_enable_int_morpheus(ips_ha_t *ha) { |
| uint32_t Oimr; |
| |
| METHOD_TRACE("ips_enable_int_morpheus", 1); |
| |
| Oimr = readl(ha->mem_ptr + IPS_REG_I960_OIMR); |
| Oimr &= ~0x08; |
| writel(Oimr, ha->mem_ptr + IPS_REG_I960_OIMR); |
| } |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: ips_init_copperhead */ |
| /* */ |
| /* Routine Description: */ |
| /* */ |
| /* Initialize a copperhead controller */ |
| /* */ |
| /****************************************************************************/ |
| static int |
| ips_init_copperhead(ips_ha_t *ha) { |
| uint8_t Isr; |
| uint8_t Cbsp; |
| uint8_t PostByte[IPS_MAX_POST_BYTES]; |
| uint8_t ConfigByte[IPS_MAX_CONFIG_BYTES]; |
| int i, j; |
| |
| METHOD_TRACE("ips_init_copperhead", 1); |
| |
| for (i = 0; i < IPS_MAX_POST_BYTES; i++) { |
| for (j = 0; j < 45; j++) { |
| Isr = inb(ha->io_addr + IPS_REG_HISR); |
| if (Isr & IPS_BIT_GHI) |
| break; |
| |
| /* Delay for 1 Second */ |
| MDELAY(IPS_ONE_SEC); |
| } |
| |
| if (j >= 45) |
| /* error occurred */ |
| return (0); |
| |
| PostByte[i] = inb(ha->io_addr + IPS_REG_ISPR); |
| outb(Isr, ha->io_addr + IPS_REG_HISR); |
| } |
| |
| if (PostByte[0] < IPS_GOOD_POST_STATUS) { |
| printk(KERN_WARNING "(%s%d) reset controller fails (post status %x %x).\n", |
| ips_name, ha->host_num, PostByte[0], PostByte[1]); |
| |
| return (0); |
| } |
| |
| for (i = 0; i < IPS_MAX_CONFIG_BYTES; i++) { |
| for (j = 0; j < 240; j++) { |
| Isr = inb(ha->io_addr + IPS_REG_HISR); |
| if (Isr & IPS_BIT_GHI) |
| break; |
| |
| /* Delay for 1 Second */ |
| MDELAY(IPS_ONE_SEC); |
| } |
| |
| if (j >= 240) |
| /* error occurred */ |
| return (0); |
| |
| ConfigByte[i] = inb(ha->io_addr + IPS_REG_ISPR); |
| outb(Isr, ha->io_addr + IPS_REG_HISR); |
| } |
| |
| for (i = 0; i < 240; i++) { |
| Cbsp = inb(ha->io_addr + IPS_REG_CBSP); |
| |
| if ((Cbsp & IPS_BIT_OP) == 0) |
| break; |
| |
| /* Delay for 1 Second */ |
| MDELAY(IPS_ONE_SEC); |
| } |
| |
| if (i >= 240) |
| /* reset failed */ |
| return (0); |
| |
| /* setup CCCR */ |
| outl(cpu_to_le32(0x1010), ha->io_addr + IPS_REG_CCCR); |
| |
| /* Enable busmastering */ |
| outb(IPS_BIT_EBM, ha->io_addr + IPS_REG_SCPR); |
| |
| if (ha->revision_id == IPS_REVID_TROMBONE64) |
| /* fix for anaconda64 */ |
| outl(0, ha->io_addr + IPS_REG_NDAE); |
| |
| /* Enable interrupts */ |
| outb(IPS_BIT_EI, ha->io_addr + IPS_REG_HISR); |
| |
| return (1); |
| } |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: ips_init_copperhead_memio */ |
| /* */ |
| /* Routine Description: */ |
| /* */ |
| /* Initialize a copperhead controller with memory mapped I/O */ |
| /* */ |
| /****************************************************************************/ |
| static int |
| ips_init_copperhead_memio(ips_ha_t *ha) { |
| uint8_t Isr=0; |
| uint8_t Cbsp; |
| uint8_t PostByte[IPS_MAX_POST_BYTES]; |
| uint8_t ConfigByte[IPS_MAX_CONFIG_BYTES]; |
| int i, j; |
| |
| METHOD_TRACE("ips_init_copperhead_memio", 1); |
| |
| for (i = 0; i < IPS_MAX_POST_BYTES; i++) { |
| for (j = 0; j < 45; j++) { |
| Isr = readb(ha->mem_ptr + IPS_REG_HISR); |
| if (Isr & IPS_BIT_GHI) |
| break; |
| |
| /* Delay for 1 Second */ |
| MDELAY(IPS_ONE_SEC); |
| } |
| |
| if (j >= 45) |
| /* error occurred */ |
| return (0); |
| |
| PostByte[i] = readb(ha->mem_ptr + IPS_REG_ISPR); |
| writeb(Isr, ha->mem_ptr + IPS_REG_HISR); |
| } |
| |
| if (PostByte[0] < IPS_GOOD_POST_STATUS) { |
| printk(KERN_WARNING "(%s%d) reset controller fails (post status %x %x).\n", |
| ips_name, ha->host_num, PostByte[0], PostByte[1]); |
| |
| return (0); |
| } |
| |
| for (i = 0; i < IPS_MAX_CONFIG_BYTES; i++) { |
| for (j = 0; j < 240; j++) { |
| Isr = readb(ha->mem_ptr + IPS_REG_HISR); |
| if (Isr & IPS_BIT_GHI) |
| break; |
| |
| /* Delay for 1 Second */ |
| MDELAY(IPS_ONE_SEC); |
| } |
| |
| if (j >= 240) |
| /* error occurred */ |
| return (0); |
| |
| ConfigByte[i] = readb(ha->mem_ptr + IPS_REG_ISPR); |
| writeb(Isr, ha->mem_ptr + IPS_REG_HISR); |
| } |
| |
| for (i = 0; i < 240; i++) { |
| Cbsp = readb(ha->mem_ptr + IPS_REG_CBSP); |
| |
| if ((Cbsp & IPS_BIT_OP) == 0) |
| break; |
| |
| /* Delay for 1 Second */ |
| MDELAY(IPS_ONE_SEC); |
| } |
| |
| if (i >= 240) |
| /* error occurred */ |
| return (0); |
| |
| /* setup CCCR */ |
| writel(0x1010, ha->mem_ptr + IPS_REG_CCCR); |
| |
| /* Enable busmastering */ |
| writeb(IPS_BIT_EBM, ha->mem_ptr + IPS_REG_SCPR); |
| |
| if (ha->revision_id == IPS_REVID_TROMBONE64) |
| /* fix for anaconda64 */ |
| writel(0, ha->mem_ptr + IPS_REG_NDAE); |
| |
| /* Enable interrupts */ |
| writeb(IPS_BIT_EI, ha->mem_ptr + IPS_REG_HISR); |
| |
| /* if we get here then everything went OK */ |
| return (1); |
| } |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: ips_init_morpheus */ |
| /* */ |
| /* Routine Description: */ |
| /* */ |
| /* Initialize a morpheus controller */ |
| /* */ |
| /****************************************************************************/ |
| static int |
| ips_init_morpheus(ips_ha_t *ha) { |
| uint32_t Post; |
| uint32_t Config; |
| uint32_t Isr; |
| uint32_t Oimr; |
| int i; |
| |
| METHOD_TRACE("ips_init_morpheus", 1); |
| |
| /* Wait up to 45 secs for Post */ |
| for (i = 0; i < 45; i++) { |
| Isr = readl(ha->mem_ptr + IPS_REG_I2O_HIR); |
| |
| if (Isr & IPS_BIT_I960_MSG0I) |
| break; |
| |
| /* Delay for 1 Second */ |
| MDELAY(IPS_ONE_SEC); |
| } |
| |
| if (i >= 45) { |
| /* error occurred */ |
| printk(KERN_WARNING "(%s%d) timeout waiting for post.\n", |
| ips_name, ha->host_num); |
| |
| return (0); |
| } |
| |
| Post = readl(ha->mem_ptr + IPS_REG_I960_MSG0); |
| |
| /* Clear the interrupt bit */ |
| Isr = (uint32_t) IPS_BIT_I960_MSG0I; |
| writel(Isr, ha->mem_ptr + IPS_REG_I2O_HIR); |
| |
| if (Post < (IPS_GOOD_POST_STATUS << 8)) { |
| printk(KERN_WARNING "(%s%d) reset controller fails (post status %x).\n", |
| ips_name, ha->host_num, Post); |
| |
| return (0); |
| } |
| |
| /* Wait up to 240 secs for config bytes */ |
| for (i = 0; i < 240; i++) { |
| Isr = readl(ha->mem_ptr + IPS_REG_I2O_HIR); |
| |
| if (Isr & IPS_BIT_I960_MSG1I) |
| break; |
| |
| /* Delay for 1 Second */ |
| MDELAY(IPS_ONE_SEC); |
| } |
| |
| if (i >= 240) { |
| /* error occurred */ |
| printk(KERN_WARNING "(%s%d) timeout waiting for config.\n", |
| ips_name, ha->host_num); |
| |
| return (0); |
| } |
| |
| Config = readl(ha->mem_ptr + IPS_REG_I960_MSG1); |
| |
| /* Clear interrupt bit */ |
| Isr = (uint32_t) IPS_BIT_I960_MSG1I; |
| writel(Isr, ha->mem_ptr + IPS_REG_I2O_HIR); |
| |
| /* Turn on the interrupts */ |
| Oimr = readl(ha->mem_ptr + IPS_REG_I960_OIMR); |
| Oimr &= ~0x8; |
| writel(Oimr, ha->mem_ptr + IPS_REG_I960_OIMR); |
| |
| /* if we get here then everything went OK */ |
| return (1); |
| } |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: ips_reset_copperhead */ |
| /* */ |
| /* Routine Description: */ |
| /* */ |
| /* Reset the controller */ |
| /* */ |
| /****************************************************************************/ |
| static int |
| ips_reset_copperhead(ips_ha_t *ha) { |
| int reset_counter; |
| unsigned long cpu_flags; |
| |
| METHOD_TRACE("ips_reset_copperhead", 1); |
| |
| DEBUG_VAR(1, "(%s%d) ips_reset_copperhead: io addr: %x, irq: %d", |
| ips_name, ha->host_num, ha->io_addr, ha->irq); |
| |
| IPS_HA_LOCK(cpu_flags); |
| |
| reset_counter = 0; |
| |
| while (reset_counter < 2) { |
| reset_counter++; |
| |
| outb(IPS_BIT_RST, ha->io_addr + IPS_REG_SCPR); |
| |
| /* Delay for 1 Second */ |
| MDELAY(IPS_ONE_SEC); |
| |
| outb(0, ha->io_addr + IPS_REG_SCPR); |
| |
| /* Delay for 1 Second */ |
| MDELAY(IPS_ONE_SEC); |
| |
| if ((*ha->func.init)(ha)) |
| break; |
| else if (reset_counter >= 2) { |
| IPS_HA_UNLOCK(cpu_flags); |
| |
| return (0); |
| } |
| } |
| |
| IPS_HA_UNLOCK(cpu_flags); |
| |
| return (1); |
| } |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: ips_reset_copperhead_memio */ |
| /* */ |
| /* Routine Description: */ |
| /* */ |
| /* Reset the controller */ |
| /* */ |
| /****************************************************************************/ |
| static int |
| ips_reset_copperhead_memio(ips_ha_t *ha) { |
| int reset_counter; |
| unsigned long cpu_flags; |
| |
| METHOD_TRACE("ips_reset_copperhead_memio", 1); |
| |
| DEBUG_VAR(1, "(%s%d) ips_reset_copperhead_memio: mem addr: %x, irq: %d", |
| ips_name, ha->host_num, ha->mem_addr, ha->irq); |
| |
| IPS_HA_LOCK(cpu_flags); |
| |
| reset_counter = 0; |
| |
| while (reset_counter < 2) { |
| reset_counter++; |
| |
| writeb(IPS_BIT_RST, ha->mem_ptr + IPS_REG_SCPR); |
| |
| /* Delay for 1 Second */ |
| MDELAY(IPS_ONE_SEC); |
| |
| writeb(0, ha->mem_ptr + IPS_REG_SCPR); |
| |
| /* Delay for 1 Second */ |
| MDELAY(IPS_ONE_SEC); |
| |
| if ((*ha->func.init)(ha)) |
| break; |
| else if (reset_counter >= 2) { |
| IPS_HA_UNLOCK(cpu_flags); |
| |
| return (0); |
| } |
| } |
| |
| IPS_HA_UNLOCK(cpu_flags); |
| |
| return (1); |
| } |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: ips_reset_morpheus */ |
| /* */ |
| /* Routine Description: */ |
| /* */ |
| /* Reset the controller */ |
| /* */ |
| /****************************************************************************/ |
| static int |
| ips_reset_morpheus(ips_ha_t *ha) { |
| int reset_counter; |
| uint8_t junk; |
| unsigned long cpu_flags; |
| |
| METHOD_TRACE("ips_reset_morpheus", 1); |
| |
| DEBUG_VAR(1, "(%s%d) ips_reset_morpheus: mem addr: %x, irq: %d", |
| ips_name, ha->host_num, ha->mem_addr, ha->irq); |
| |
| IPS_HA_LOCK(cpu_flags); |
| |
| reset_counter = 0; |
| |
| while (reset_counter < 2) { |
| reset_counter++; |
| |
| writel(0x80000000, ha->mem_ptr + IPS_REG_I960_IDR); |
| |
| /* Delay for 5 Seconds */ |
| MDELAY(5 * IPS_ONE_SEC); |
| |
| /* Do a PCI config read to wait for adapter */ |
| pci_read_config_byte(ha->pcidev, 4, &junk); |
| |
| if ((*ha->func.init)(ha)) |
| break; |
| else if (reset_counter >= 2) { |
| IPS_HA_UNLOCK(cpu_flags); |
| |
| return (0); |
| } |
| } |
| |
| IPS_HA_UNLOCK(cpu_flags); |
| |
| return (1); |
| } |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: ips_statinit */ |
| /* */ |
| /* Routine Description: */ |
| /* */ |
| /* Initialize the status queues on the controller */ |
| /* */ |
| /****************************************************************************/ |
| static void |
| ips_statinit(ips_ha_t *ha) { |
| uint32_t phys_status_start; |
| |
| METHOD_TRACE("ips_statinit", 1); |
| |
| ha->adapt->p_status_start = ha->adapt->status; |
| ha->adapt->p_status_end = ha->adapt->status + IPS_MAX_CMDS; |
| ha->adapt->p_status_tail = ha->adapt->status; |
| |
| phys_status_start = ha->adapt->hw_status_start; |
| outl(cpu_to_le32(phys_status_start), ha->io_addr + IPS_REG_SQSR); |
| outl(cpu_to_le32(phys_status_start + IPS_STATUS_Q_SIZE), ha->io_addr + IPS_REG_SQER); |
| outl(cpu_to_le32(phys_status_start + IPS_STATUS_SIZE), ha->io_addr + IPS_REG_SQHR); |
| outl(cpu_to_le32(phys_status_start), ha->io_addr + IPS_REG_SQTR); |
| |
| ha->adapt->hw_status_tail = phys_status_start; |
| } |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: ips_statinit_memio */ |
| /* */ |
| /* Routine Description: */ |
| /* */ |
| /* Initialize the status queues on the controller */ |
| /* */ |
| /****************************************************************************/ |
| static void |
| ips_statinit_memio(ips_ha_t *ha) { |
| uint32_t phys_status_start; |
| |
| METHOD_TRACE("ips_statinit_memio", 1); |
| |
| ha->adapt->p_status_start = ha->adapt->status; |
| ha->adapt->p_status_end = ha->adapt->status + IPS_MAX_CMDS; |
| ha->adapt->p_status_tail = ha->adapt->status; |
| |
| phys_status_start = ha->adapt->hw_status_start; |
| writel(phys_status_start, ha->mem_ptr + IPS_REG_SQSR); |
| writel(phys_status_start + IPS_STATUS_Q_SIZE, ha->mem_ptr + IPS_REG_SQER); |
| writel(phys_status_start + IPS_STATUS_SIZE, ha->mem_ptr + IPS_REG_SQHR); |
| writel(phys_status_start, ha->mem_ptr + IPS_REG_SQTR); |
| |
| ha->adapt->hw_status_tail = phys_status_start; |
| } |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: ips_statupd_copperhead */ |
| /* */ |
| /* Routine Description: */ |
| /* */ |
| /* Remove an element from the status queue */ |
| /* */ |
| /****************************************************************************/ |
| static uint32_t |
| ips_statupd_copperhead(ips_ha_t *ha) { |
| METHOD_TRACE("ips_statupd_copperhead", 1); |
| |
| if (ha->adapt->p_status_tail != ha->adapt->p_status_end) { |
| ha->adapt->p_status_tail++; |
| ha->adapt->hw_status_tail += sizeof(IPS_STATUS); |
| } else { |
| ha->adapt->p_status_tail = ha->adapt->p_status_start; |
| ha->adapt->hw_status_tail = ha->adapt->hw_status_start; |
| } |
| |
| outl(cpu_to_le32(ha->adapt->hw_status_tail), ha->io_addr + IPS_REG_SQTR); |
| |
| return (ha->adapt->p_status_tail->value); |
| } |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: ips_statupd_copperhead_memio */ |
| /* */ |
| /* Routine Description: */ |
| /* */ |
| /* Remove an element from the status queue */ |
| /* */ |
| /****************************************************************************/ |
| static uint32_t |
| ips_statupd_copperhead_memio(ips_ha_t *ha) { |
| METHOD_TRACE("ips_statupd_copperhead_memio", 1); |
| |
| if (ha->adapt->p_status_tail != ha->adapt->p_status_end) { |
| ha->adapt->p_status_tail++; |
| ha->adapt->hw_status_tail += sizeof(IPS_STATUS); |
| } else { |
| ha->adapt->p_status_tail = ha->adapt->p_status_start; |
| ha->adapt->hw_status_tail = ha->adapt->hw_status_start; |
| } |
| |
| writel(ha->adapt->hw_status_tail, ha->mem_ptr + IPS_REG_SQTR); |
| |
| return (ha->adapt->p_status_tail->value); |
| } |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: ips_statupd_morpheus */ |
| /* */ |
| /* Routine Description: */ |
| /* */ |
| /* Remove an element from the status queue */ |
| /* */ |
| /****************************************************************************/ |
| static uint32_t |
| ips_statupd_morpheus(ips_ha_t *ha) { |
| uint32_t val; |
| |
| METHOD_TRACE("ips_statupd_morpheus", 1); |
| |
| val = readl(ha->mem_ptr + IPS_REG_I2O_OUTMSGQ); |
| |
| return (val); |
| } |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: ips_issue_copperhead */ |
| /* */ |
| /* Routine Description: */ |
| /* */ |
| /* Send a command down to the controller */ |
| /* */ |
| /****************************************************************************/ |
| static int |
| ips_issue_copperhead(ips_ha_t *ha, ips_scb_t *scb) { |
| uint32_t TimeOut; |
| uint32_t val; |
| unsigned long cpu_flags; |
| |
| METHOD_TRACE("ips_issue_copperhead", 1); |
| |
| if (scb->scsi_cmd) { |
| DEBUG_VAR(2, "(%s%d) ips_issue: cmd 0x%X id %d (%d %d %d)", |
| ips_name, |
| ha->host_num, |
| scb->cdb[0], |
| scb->cmd.basic_io.command_id, |
| scb->bus, |
| scb->target_id, |
| scb->lun); |
| } else { |
| DEBUG_VAR(2, KERN_NOTICE "(%s%d) ips_issue: logical cmd id %d", |
| ips_name, |
| ha->host_num, |
| scb->cmd.basic_io.command_id); |
| } |
| |
| IPS_HA_LOCK(cpu_flags); |
| |
| TimeOut = 0; |
| |
| while ((val = le32_to_cpu(inl(ha->io_addr + IPS_REG_CCCR))) & IPS_BIT_SEM) { |
| udelay(1000); |
| |
| if (++TimeOut >= IPS_SEM_TIMEOUT) { |
| if (!(val & IPS_BIT_START_STOP)) |
| break; |
| |
| printk(KERN_WARNING "(%s%d) ips_issue val [0x%x].\n", |
| ips_name, ha->host_num, val); |
| printk(KERN_WARNING "(%s%d) ips_issue semaphore chk timeout.\n", |
| ips_name, ha->host_num); |
| |
| IPS_HA_UNLOCK(cpu_flags); |
| |
| return (IPS_FAILURE); |
| } /* end if */ |
| } /* end while */ |
| |
| outl(cpu_to_le32(scb->scb_busaddr), ha->io_addr + IPS_REG_CCSAR); |
| outw(cpu_to_le32(IPS_BIT_START_CMD), ha->io_addr + IPS_REG_CCCR); |
| |
| IPS_HA_UNLOCK(cpu_flags); |
| |
| return (IPS_SUCCESS); |
| } |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: ips_issue_copperhead_memio */ |
| /* */ |
| /* Routine Description: */ |
| /* */ |
| /* Send a command down to the controller */ |
| /* */ |
| /****************************************************************************/ |
| static int |
| ips_issue_copperhead_memio(ips_ha_t *ha, ips_scb_t *scb) { |
| uint32_t TimeOut; |
| uint32_t val; |
| unsigned long cpu_flags; |
| |
| METHOD_TRACE("ips_issue_copperhead_memio", 1); |
| |
| if (scb->scsi_cmd) { |
| DEBUG_VAR(2, "(%s%d) ips_issue: cmd 0x%X id %d (%d %d %d)", |
| ips_name, |
| ha->host_num, |
| scb->cdb[0], |
| scb->cmd.basic_io.command_id, |
| scb->bus, |
| scb->target_id, |
| scb->lun); |
| } else { |
| DEBUG_VAR(2, "(%s%d) ips_issue: logical cmd id %d", |
| ips_name, |
| ha->host_num, |
| scb->cmd.basic_io.command_id); |
| } |
| |
| IPS_HA_LOCK(cpu_flags); |
| |
| TimeOut = 0; |
| |
| while ((val = readl(ha->mem_ptr + IPS_REG_CCCR)) & IPS_BIT_SEM) { |
| udelay(1000); |
| |
| if (++TimeOut >= IPS_SEM_TIMEOUT) { |
| if (!(val & IPS_BIT_START_STOP)) |
| break; |
| |
| printk(KERN_WARNING "(%s%d) ips_issue val [0x%x].\n", |
| ips_name, ha->host_num, val); |
| printk(KERN_WARNING "(%s%d) ips_issue semaphore chk timeout.\n", |
| ips_name, ha->host_num); |
| |
| IPS_HA_UNLOCK(cpu_flags); |
| |
| return (IPS_FAILURE); |
| } /* end if */ |
| } /* end while */ |
| |
| writel(scb->scb_busaddr, ha->mem_ptr + IPS_REG_CCSAR); |
| writel(IPS_BIT_START_CMD, ha->mem_ptr + IPS_REG_CCCR); |
| |
| IPS_HA_UNLOCK(cpu_flags); |
| |
| return (IPS_SUCCESS); |
| } |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: ips_issue_i2o */ |
| /* */ |
| /* Routine Description: */ |
| /* */ |
| /* Send a command down to the controller */ |
| /* */ |
| /****************************************************************************/ |
| static int |
| ips_issue_i2o(ips_ha_t *ha, ips_scb_t *scb) { |
| unsigned long cpu_flags; |
| |
| METHOD_TRACE("ips_issue_i2o", 1); |
| |
| if (scb->scsi_cmd) { |
| DEBUG_VAR(2, "(%s%d) ips_issue: cmd 0x%X id %d (%d %d %d)", |
| ips_name, |
| ha->host_num, |
| scb->cdb[0], |
| scb->cmd.basic_io.command_id, |
| scb->bus, |
| scb->target_id, |
| scb->lun); |
| } else { |
| DEBUG_VAR(2, "(%s%d) ips_issue: logical cmd id %d", |
| ips_name, |
| ha->host_num, |
| scb->cmd.basic_io.command_id); |
| } |
| |
| IPS_HA_LOCK(cpu_flags); |
| |
| outl(cpu_to_le32(scb->scb_busaddr), ha->io_addr + IPS_REG_I2O_INMSGQ); |
| |
| IPS_HA_UNLOCK(cpu_flags); |
| |
| return (IPS_SUCCESS); |
| } |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: ips_issue_i2o_memio */ |
| /* */ |
| /* Routine Description: */ |
| /* */ |
| /* Send a command down to the controller */ |
| /* */ |
| /****************************************************************************/ |
| static int |
| ips_issue_i2o_memio(ips_ha_t *ha, ips_scb_t *scb) { |
| unsigned long cpu_flags; |
| |
| METHOD_TRACE("ips_issue_i2o_memio", 1); |
| |
| if (scb->scsi_cmd) { |
| DEBUG_VAR(2, "(%s%d) ips_issue: cmd 0x%X id %d (%d %d %d)", |
| ips_name, |
| ha->host_num, |
| scb->cdb[0], |
| scb->cmd.basic_io.command_id, |
| scb->bus, |
| scb->target_id, |
| scb->lun); |
| } else { |
| DEBUG_VAR(2, "(%s%d) ips_issue: logical cmd id %d", |
| ips_name, |
| ha->host_num, |
| scb->cmd.basic_io.command_id); |
| } |
| |
| IPS_HA_LOCK(cpu_flags); |
| |
| writel(scb->scb_busaddr, ha->mem_ptr + IPS_REG_I2O_INMSGQ); |
| |
| IPS_HA_UNLOCK(cpu_flags); |
| |
| return (IPS_SUCCESS); |
| } |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: ips_isintr_copperhead */ |
| /* */ |
| /* Routine Description: */ |
| /* */ |
| /* Test to see if an interrupt is for us */ |
| /* */ |
| /****************************************************************************/ |
| static int |
| ips_isintr_copperhead(ips_ha_t *ha) { |
| uint8_t Isr; |
| |
| METHOD_TRACE("ips_isintr_copperhead", 2); |
| |
| Isr = inb(ha->io_addr + IPS_REG_HISR); |
| |
| if (Isr == 0xFF) |
| /* ?!?! Nothing really there */ |
| return (0); |
| |
| if (Isr & IPS_BIT_SCE) |
| return (1); |
| else if (Isr & (IPS_BIT_SQO | IPS_BIT_GHI)) { |
| /* status queue overflow or GHI */ |
| /* just clear the interrupt */ |
| outb(Isr, ha->io_addr + IPS_REG_HISR); |
| } |
| |
| return (0); |
| } |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: ips_isintr_copperhead_memio */ |
| /* */ |
| /* Routine Description: */ |
| /* */ |
| /* Test to see if an interrupt is for us */ |
| /* */ |
| /****************************************************************************/ |
| static int |
| ips_isintr_copperhead_memio(ips_ha_t *ha) { |
| uint8_t Isr; |
| |
| METHOD_TRACE("ips_isintr_memio", 2); |
| |
| Isr = readb(ha->mem_ptr + IPS_REG_HISR); |
| |
| if (Isr == 0xFF) |
| /* ?!?! Nothing really there */ |
| return (0); |
| |
| if (Isr & IPS_BIT_SCE) |
| return (1); |
| else if (Isr & (IPS_BIT_SQO | IPS_BIT_GHI)) { |
| /* status queue overflow or GHI */ |
| /* just clear the interrupt */ |
| writeb(Isr, ha->mem_ptr + IPS_REG_HISR); |
| } |
| |
| return (0); |
| } |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: ips_isintr_morpheus */ |
| /* */ |
| /* Routine Description: */ |
| /* */ |
| /* Test to see if an interrupt is for us */ |
| /* */ |
| /****************************************************************************/ |
| static int |
| ips_isintr_morpheus(ips_ha_t *ha) { |
| uint32_t Isr; |
| |
| METHOD_TRACE("ips_isintr_morpheus", 2); |
| |
| Isr = readl(ha->mem_ptr + IPS_REG_I2O_HIR); |
| |
| if (Isr & IPS_BIT_I2O_OPQI) |
| return (1); |
| else |
| return (0); |
| } |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: ips_wait */ |
| /* */ |
| /* Routine Description: */ |
| /* */ |
| /* Wait for a command to complete */ |
| /* */ |
| /****************************************************************************/ |
| static int |
| ips_wait(ips_ha_t *ha, int time, int intr) { |
| int ret; |
| int done; |
| |
| METHOD_TRACE("ips_wait", 1); |
| |
| ret = IPS_FAILURE; |
| done = FALSE; |
| |
| time *= IPS_ONE_SEC; /* convert seconds */ |
| |
| while ((time > 0) && (!done)) { |
| if (intr == IPS_INTR_ON) { |
| if (ha->waitflag == FALSE) { |
| ret = IPS_SUCCESS; |
| done = TRUE; |
| break; |
| } |
| } else if (intr == IPS_INTR_IORL) { |
| if (ha->waitflag == FALSE) { |
| /* |
| * controller generated an interrupt to |
| * acknowledge completion of the command |
| * and ips_intr() has serviced the interrupt. |
| */ |
| ret = IPS_SUCCESS; |
| done = TRUE; |
| break; |
| } |
| |
| /* |
| * NOTE: we already have the io_request_lock so |
| * even if we get an interrupt it won't get serviced |
| * until after we finish. |
| */ |
| |
| while (test_and_set_bit(IPS_IN_INTR, &ha->flags)) |
| udelay(1000); |
| |
| (*ha->func.intr)(ha); |
| |
| clear_bit(IPS_IN_INTR, &ha->flags); |
| } |
| |
| /* This looks like a very evil loop, but it only does this during start-up */ |
| udelay(1000); |
| time--; |
| } |
| |
| return (ret); |
| } |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: ips_write_driver_status */ |
| /* */ |
| /* Routine Description: */ |
| /* */ |
| /* Write OS/Driver version to Page 5 of the nvram on the controller */ |
| /* */ |
| /****************************************************************************/ |
| static int |
| ips_write_driver_status(ips_ha_t *ha, int intr) { |
| METHOD_TRACE("ips_write_driver_status", 1); |
| |
| if (!ips_readwrite_page5(ha, FALSE, intr)) { |
| printk(KERN_WARNING "(%s%d) unable to read NVRAM page 5.\n", |
| ips_name, ha->host_num); |
| |
| return (0); |
| } |
| |
| /* check to make sure the page has a valid */ |
| /* signature */ |
| if (le32_to_cpu(ha->nvram->signature) != IPS_NVRAM_P5_SIG) { |
| DEBUG_VAR(1, "(%s%d) NVRAM page 5 has an invalid signature: %X.", |
| ips_name, ha->host_num, ha->nvram->signature); |
| |
| return (1); |
| } |
| |
| DEBUG_VAR(2, "(%s%d) Ad Type: %d, Ad Slot: %d, BIOS: %c%c%c%c %c%c%c%c.", |
| ips_name, ha->host_num, le16_to_cpu(ha->nvram->adapter_type), |
| ha->nvram->adapter_slot, |
| ha->nvram->bios_high[0], ha->nvram->bios_high[1], |
| ha->nvram->bios_high[2], ha->nvram->bios_high[3], |
| ha->nvram->bios_low[0], ha->nvram->bios_low[1], |
| ha->nvram->bios_low[2], ha->nvram->bios_low[3]); |
| |
| ips_get_bios_version(ha, intr); |
| |
| /* change values (as needed) */ |
| ha->nvram->operating_system = IPS_OS_LINUX; |
| ha->nvram->adapter_type = ha->ad_type; |
| strncpy((char *) ha->nvram->driver_high, IPS_VERSION_HIGH, 4); |
| strncpy((char *) ha->nvram->driver_low, IPS_VERSION_LOW, 4); |
| strncpy((char *) ha->nvram->bios_high, ha->bios_version, 4); |
| strncpy((char *) ha->nvram->bios_low, ha->bios_version + 4, 4); |
| |
| ips_version_check(ha, intr); /* Check BIOS/FW/Driver Versions */ |
| |
| /* now update the page */ |
| if (!ips_readwrite_page5(ha, TRUE, intr)) { |
| printk(KERN_WARNING "(%s%d) unable to write NVRAM page 5.\n", |
| ips_name, ha->host_num); |
| |
| return (0); |
| } |
| |
| /* IF NVRAM Page 5 is OK, Use it for Slot Number Info Because Linux Doesn't Do Slots */ |
| ha->slot_num = ha->nvram->adapter_slot; |
| |
| |
| return (1); |
| } |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: ips_read_adapter_status */ |
| /* */ |
| /* Routine Description: */ |
| /* */ |
| /* Do an Inquiry command to the adapter */ |
| /* */ |
| /****************************************************************************/ |
| static int |
| ips_read_adapter_status(ips_ha_t *ha, int intr) { |
| ips_scb_t *scb; |
| int ret; |
| |
| METHOD_TRACE("ips_read_adapter_status", 1); |
| |
| scb = &ha->scbs[ha->max_cmds-1]; |
| |
| ips_init_scb(ha, scb); |
| |
| scb->timeout = ips_cmd_timeout; |
| scb->cdb[0] = IPS_CMD_ENQUIRY; |
| |
| scb->cmd.basic_io.op_code = IPS_CMD_ENQUIRY; |
| scb->cmd.basic_io.command_id = IPS_COMMAND_ID(ha, scb); |
| scb->cmd.basic_io.sg_count = 0; |
| scb->cmd.basic_io.lba = 0; |
| scb->cmd.basic_io.sector_count = 0; |
| scb->cmd.basic_io.log_drv = 0; |
| scb->cmd.basic_io.reserved = 0; |
| scb->data_len = sizeof(*ha->enq); |
| scb->data_busaddr = pci_map_single(ha->pcidev, ha->enq, scb->data_len, |
| IPS_DMA_DIR(scb)); |
| scb->cmd.basic_io.sg_addr = scb->data_busaddr; |
| scb->flags |= IPS_SCB_MAP_SINGLE; |
| |
| /* send command */ |
| if (((ret = ips_send_wait(ha, scb, ips_cmd_timeout, intr)) == IPS_FAILURE) || |
| (ret == IPS_SUCCESS_IMM) || |
| ((scb->basic_status & IPS_GSC_STATUS_MASK) > 1)) |
| return (0); |
| |
| return (1); |
| } |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: ips_read_subsystem_parameters */ |
| /* */ |
| /* Routine Description: */ |
| /* */ |
| /* Read subsystem parameters from the adapter */ |
| /* */ |
| /****************************************************************************/ |
| static int |
| ips_read_subsystem_parameters(ips_ha_t *ha, int intr) { |
| ips_scb_t *scb; |
| int ret; |
| |
| METHOD_TRACE("ips_read_subsystem_parameters", 1); |
| |
| scb = &ha->scbs[ha->max_cmds-1]; |
| |
| ips_init_scb(ha, scb); |
| |
| scb->timeout = ips_cmd_timeout; |
| scb->cdb[0] = IPS_CMD_GET_SUBSYS; |
| |
| scb->cmd.basic_io.op_code = IPS_CMD_GET_SUBSYS; |
| scb->cmd.basic_io.command_id = IPS_COMMAND_ID(ha, scb); |
| scb->cmd.basic_io.sg_count = 0; |
| scb->cmd.basic_io.lba = 0; |
| scb->cmd.basic_io.sector_count = 0; |
| scb->cmd.basic_io.log_drv = 0; |
| scb->cmd.basic_io.reserved = 0; |
| scb->data_len = sizeof(*ha->subsys); |
| scb->data_busaddr = pci_map_single(ha->pcidev, ha->subsys, |
| scb->data_len, IPS_DMA_DIR(scb)); |
| scb->cmd.basic_io.sg_addr = scb->data_busaddr; |
| scb->flags |= IPS_SCB_MAP_SINGLE; |
| |
| /* send command */ |
| if (((ret = ips_send_wait(ha, scb, ips_cmd_timeout, intr)) == IPS_FAILURE) || |
| (ret == IPS_SUCCESS_IMM) || |
| ((scb->basic_status & IPS_GSC_STATUS_MASK) > 1)) |
| return (0); |
| |
| return (1); |
| } |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: ips_read_config */ |
| /* */ |
| /* Routine Description: */ |
| /* */ |
| /* Read the configuration on the adapter */ |
| /* */ |
| /****************************************************************************/ |
| static int |
| ips_read_config(ips_ha_t *ha, int intr) { |
| ips_scb_t *scb; |
| int i; |
| int ret; |
| |
| METHOD_TRACE("ips_read_config", 1); |
| |
| /* set defaults for initiator IDs */ |
| for (i = 0; i < 4; i++) |
| ha->conf->init_id[i] = 7; |
| |
| scb = &ha->scbs[ha->max_cmds-1]; |
| |
| ips_init_scb(ha, scb); |
| |
| scb->timeout = ips_cmd_timeout; |
| scb->cdb[0] = IPS_CMD_READ_CONF; |
| |
| scb->cmd.basic_io.op_code = IPS_CMD_READ_CONF; |
| scb->cmd.basic_io.command_id = IPS_COMMAND_ID(ha, scb); |
| scb->data_len = sizeof(*ha->conf); |
| scb->data_busaddr = pci_map_single(ha->pcidev, ha->conf, |
| scb->data_len, IPS_DMA_DIR(scb)); |
| scb->cmd.basic_io.sg_addr = scb->data_busaddr; |
| scb->flags |= IPS_SCB_MAP_SINGLE; |
| |
| /* send command */ |
| if (((ret = ips_send_wait(ha, scb, ips_cmd_timeout, intr)) == IPS_FAILURE) || |
| (ret == IPS_SUCCESS_IMM) || |
| ((scb->basic_status & IPS_GSC_STATUS_MASK) > 1)) { |
| |
| memset(ha->conf, 0, sizeof(IPS_CONF)); |
| |
| /* reset initiator IDs */ |
| for (i = 0; i < 4; i++) |
| ha->conf->init_id[i] = 7; |
| |
| /* Allow Completed with Errors, so JCRM can access the Adapter to fix the problems */ |
| if ((scb->basic_status & IPS_GSC_STATUS_MASK) == IPS_CMD_CMPLT_WERROR) |
| return (1); |
| |
| return (0); |
| } |
| |
| return (1); |
| } |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: ips_readwrite_page5 */ |
| /* */ |
| /* Routine Description: */ |
| /* */ |
| /* Read nvram page 5 from the adapter */ |
| /* */ |
| /****************************************************************************/ |
| static int |
| ips_readwrite_page5(ips_ha_t *ha, int write, int intr) { |
| ips_scb_t *scb; |
| int ret; |
| |
| METHOD_TRACE("ips_readwrite_page5", 1); |
| |
| scb = &ha->scbs[ha->max_cmds-1]; |
| |
| ips_init_scb(ha, scb); |
| |
| scb->timeout = ips_cmd_timeout; |
| scb->cdb[0] = IPS_CMD_RW_NVRAM_PAGE; |
| |
| scb->cmd.nvram.op_code = IPS_CMD_RW_NVRAM_PAGE; |
| scb->cmd.nvram.command_id = IPS_COMMAND_ID(ha, scb); |
| scb->cmd.nvram.page = 5; |
| scb->cmd.nvram.write = write; |
| scb->cmd.nvram.reserved = 0; |
| scb->cmd.nvram.reserved2 = 0; |
| scb->data_len = sizeof(*ha->nvram); |
| scb->data_busaddr = pci_map_single(ha->pcidev, ha->nvram, |
| scb->data_len, IPS_DMA_DIR(scb)); |
| scb->cmd.nvram.buffer_addr = scb->data_busaddr; |
| scb->flags |= IPS_SCB_MAP_SINGLE; |
| |
| /* issue the command */ |
| if (((ret = ips_send_wait(ha, scb, ips_cmd_timeout, intr)) == IPS_FAILURE) || |
| (ret == IPS_SUCCESS_IMM) || |
| ((scb->basic_status & IPS_GSC_STATUS_MASK) > 1)) { |
| |
| memset(ha->nvram, 0, sizeof(IPS_NVRAM_P5)); |
| |
| return (0); |
| } |
| |
| return (1); |
| } |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: ips_clear_adapter */ |
| /* */ |
| /* Routine Description: */ |
| /* */ |
| /* Clear the stripe lock tables */ |
| /* */ |
| /****************************************************************************/ |
| static int |
| ips_clear_adapter(ips_ha_t *ha, int intr) { |
| ips_scb_t *scb; |
| int ret; |
| |
| METHOD_TRACE("ips_clear_adapter", 1); |
| |
| scb = &ha->scbs[ha->max_cmds-1]; |
| |
| ips_init_scb(ha, scb); |
| |
| scb->timeout = ips_reset_timeout; |
| scb->cdb[0] = IPS_CMD_CONFIG_SYNC; |
| |
| scb->cmd.config_sync.op_code = IPS_CMD_CONFIG_SYNC; |
| scb->cmd.config_sync.command_id = IPS_COMMAND_ID(ha, scb); |
| scb->cmd.config_sync.channel = 0; |
| scb->cmd.config_sync.source_target = IPS_POCL; |
| scb->cmd.config_sync.reserved = 0; |
| scb->cmd.config_sync.reserved2 = 0; |
| scb->cmd.config_sync.reserved3 = 0; |
| |
| /* issue command */ |
| if (((ret = ips_send_wait(ha, scb, ips_reset_timeout, intr)) == IPS_FAILURE) || |
| (ret == IPS_SUCCESS_IMM) || |
| ((scb->basic_status & IPS_GSC_STATUS_MASK) > 1)) |
| return (0); |
| |
| /* send unlock stripe command */ |
| ips_init_scb(ha, scb); |
| |
| scb->cdb[0] = IPS_CMD_ERROR_TABLE; |
| scb->timeout = ips_reset_timeout; |
| |
| scb->cmd.unlock_stripe.op_code = IPS_CMD_ERROR_TABLE; |
| scb->cmd.unlock_stripe.command_id = IPS_COMMAND_ID(ha, scb); |
| scb->cmd.unlock_stripe.log_drv = 0; |
| scb->cmd.unlock_stripe.control = IPS_CSL; |
| scb->cmd.unlock_stripe.reserved = 0; |
| scb->cmd.unlock_stripe.reserved2 = 0; |
| scb->cmd.unlock_stripe.reserved3 = 0; |
| |
| /* issue command */ |
| if (((ret = ips_send_wait(ha, scb, ips_cmd_timeout, intr)) == IPS_FAILURE) || |
| (ret == IPS_SUCCESS_IMM) || |
| ((scb->basic_status & IPS_GSC_STATUS_MASK) > 1)) |
| return (0); |
| |
| return (1); |
| } |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: ips_ffdc_reset */ |
| /* */ |
| /* Routine Description: */ |
| /* */ |
| /* FFDC: write reset info */ |
| /* */ |
| /****************************************************************************/ |
| static void |
| ips_ffdc_reset(ips_ha_t *ha, int intr) { |
| ips_scb_t *scb; |
| |
| METHOD_TRACE("ips_ffdc_reset", 1); |
| |
| scb = &ha->scbs[ha->max_cmds-1]; |
| |
| ips_init_scb(ha, scb); |
| |
| scb->timeout = ips_cmd_timeout; |
| scb->cdb[0] = IPS_CMD_FFDC; |
| scb->cmd.ffdc.op_code = IPS_CMD_FFDC; |
| scb->cmd.ffdc.command_id = IPS_COMMAND_ID(ha, scb); |
| scb->cmd.ffdc.reset_count = ha->reset_count; |
| scb->cmd.ffdc.reset_type = 0x80; |
| |
| /* convert time to what the card wants */ |
| ips_fix_ffdc_time(ha, scb, ha->last_ffdc); |
| |
| /* issue command */ |
| ips_send_wait(ha, scb, ips_cmd_timeout, intr); |
| } |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: ips_ffdc_time */ |
| /* */ |
| /* Routine Description: */ |
| /* */ |
| /* FFDC: write time info */ |
| /* */ |
| /****************************************************************************/ |
| static void |
| ips_ffdc_time(ips_ha_t *ha) { |
| ips_scb_t *scb; |
| |
| METHOD_TRACE("ips_ffdc_time", 1); |
| |
| DEBUG_VAR(1, "(%s%d) Sending time update.", |
| ips_name, ha->host_num); |
| |
| scb = &ha->scbs[ha->max_cmds-1]; |
| |
| ips_init_scb(ha, scb); |
| |
| scb->timeout = ips_cmd_timeout; |
| scb->cdb[0] = IPS_CMD_FFDC; |
| scb->cmd.ffdc.op_code = IPS_CMD_FFDC; |
| scb->cmd.ffdc.command_id = IPS_COMMAND_ID(ha, scb); |
| scb->cmd.ffdc.reset_count = 0; |
| scb->cmd.ffdc.reset_type = 0x80; |
| |
| /* convert time to what the card wants */ |
| ips_fix_ffdc_time(ha, scb, ha->last_ffdc); |
| |
| /* issue command */ |
| ips_send_wait(ha, scb, ips_cmd_timeout, IPS_FFDC); |
| } |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: ips_fix_ffdc_time */ |
| /* */ |
| /* Routine Description: */ |
| /* Adjust time_t to what the card wants */ |
| /* */ |
| /****************************************************************************/ |
| static void |
| ips_fix_ffdc_time(ips_ha_t *ha, ips_scb_t *scb, time_t current_time) { |
| long days; |
| long rem; |
| int i; |
| int year; |
| int yleap; |
| int year_lengths[2] = { IPS_DAYS_NORMAL_YEAR, IPS_DAYS_LEAP_YEAR }; |
| int month_lengths[12][2] = { {31, 31}, |
| {28, 29}, |
| {31, 31}, |
| {30, 30}, |
| {31, 31}, |
| {30, 30}, |
| {31, 31}, |
| {31, 31}, |
| {30, 30}, |
| {31, 31}, |
| {30, 30}, |
| {31, 31} }; |
| |
| METHOD_TRACE("ips_fix_ffdc_time", 1); |
| |
| days = current_time / IPS_SECS_DAY; |
| rem = current_time % IPS_SECS_DAY; |
| |
| scb->cmd.ffdc.hour = (rem / IPS_SECS_HOUR); |
| rem = rem % IPS_SECS_HOUR; |
| scb->cmd.ffdc.minute = (rem / IPS_SECS_MIN); |
| scb->cmd.ffdc.second = (rem % IPS_SECS_MIN); |
| |
| year = IPS_EPOCH_YEAR; |
| while (days < 0 || days >= year_lengths[yleap = IPS_IS_LEAP_YEAR(year)]) { |
| int newy; |
| |
| newy = year + (days / IPS_DAYS_NORMAL_YEAR); |
| if (days < 0) |
| --newy; |
| days -= (newy - year) * IPS_DAYS_NORMAL_YEAR + |
| IPS_NUM_LEAP_YEARS_THROUGH(newy - 1) - |
| IPS_NUM_LEAP_YEARS_THROUGH(year - 1); |
| year = newy; |
| } |
| |
| scb->cmd.ffdc.yearH = year / 100; |
| scb->cmd.ffdc.yearL = year % 100; |
| |
| for (i = 0; days >= month_lengths[i][yleap]; ++i) |
| days -= month_lengths[i][yleap]; |
| |
| scb->cmd.ffdc.month = i + 1; |
| scb->cmd.ffdc.day = days + 1; |
| } |
| |
| /**************************************************************************** |
| * BIOS Flash Routines * |
| ****************************************************************************/ |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: ips_erase_bios */ |
| /* */ |
| /* Routine Description: */ |
| /* Erase the BIOS on the adapter */ |
| /* */ |
| /****************************************************************************/ |
| static int |
| ips_erase_bios(ips_ha_t *ha) { |
| int timeout; |
| uint8_t status=0; |
| |
| METHOD_TRACE("ips_erase_bios", 1); |
| |
| status = 0; |
| |
| /* Clear the status register */ |
| outl(0, ha->io_addr + IPS_REG_FLAP); |
| if (ha->revision_id == IPS_REVID_TROMBONE64) |
| udelay(25); /* 25 us */ |
| |
| outb(0x50, ha->io_addr + IPS_REG_FLDP); |
| if (ha->revision_id == IPS_REVID_TROMBONE64) |
| udelay(25); /* 25 us */ |
| |
| /* Erase Setup */ |
| outb(0x20, ha->io_addr + IPS_REG_FLDP); |
| if (ha->revision_id == IPS_REVID_TROMBONE64) |
| udelay(25); /* 25 us */ |
| |
| /* Erase Confirm */ |
| outb(0xD0, ha->io_addr + IPS_REG_FLDP); |
| if (ha->revision_id == IPS_REVID_TROMBONE64) |
| udelay(25); /* 25 us */ |
| |
| /* Erase Status */ |
| outb(0x70, ha->io_addr + IPS_REG_FLDP); |
| if (ha->revision_id == IPS_REVID_TROMBONE64) |
| udelay(25); /* 25 us */ |
| |
| timeout = 80000; /* 80 seconds */ |
| |
| while (timeout > 0) { |
| if (ha->revision_id == IPS_REVID_TROMBONE64) { |
| outl(0, ha->io_addr + IPS_REG_FLAP); |
| udelay(25); /* 25 us */ |
| } |
| |
| status = inb(ha->io_addr + IPS_REG_FLDP); |
| |
| if (status & 0x80) |
| break; |
| |
| MDELAY(1); |
| timeout--; |
| } |
| |
| /* check for timeout */ |
| if (timeout <= 0) { |
| /* timeout */ |
| |
| /* try to suspend the erase */ |
| outb(0xB0, ha->io_addr + IPS_REG_FLDP); |
| if (ha->revision_id == IPS_REVID_TROMBONE64) |
| udelay(25); /* 25 us */ |
| |
| /* wait for 10 seconds */ |
| timeout = 10000; |
| while (timeout > 0) { |
| if (ha->revision_id == IPS_REVID_TROMBONE64) { |
| outl(0, ha->io_addr + IPS_REG_FLAP); |
| udelay(25); /* 25 us */ |
| } |
| |
| status = inb(ha->io_addr + IPS_REG_FLDP); |
| |
| if (status & 0xC0) |
| break; |
| |
| MDELAY(1); |
| timeout--; |
| } |
| |
| return (1); |
| } |
| |
| /* check for valid VPP */ |
| if (status & 0x08) |
| /* VPP failure */ |
| return (1); |
| |
| /* check for succesful flash */ |
| if (status & 0x30) |
| /* sequence error */ |
| return (1); |
| |
| /* Otherwise, we were successful */ |
| /* clear status */ |
| outb(0x50, ha->io_addr + IPS_REG_FLDP); |
| if (ha->revision_id == IPS_REVID_TROMBONE64) |
| udelay(25); /* 25 us */ |
| |
| /* enable reads */ |
| outb(0xFF, ha->io_addr + IPS_REG_FLDP); |
| if (ha->revision_id == IPS_REVID_TROMBONE64) |
| udelay(25); /* 25 us */ |
| |
| return (0); |
| } |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: ips_erase_bios_memio */ |
| /* */ |
| /* Routine Description: */ |
| /* Erase the BIOS on the adapter */ |
| /* */ |
| /****************************************************************************/ |
| static int |
| ips_erase_bios_memio(ips_ha_t *ha) { |
| int timeout; |
| uint8_t status; |
| |
| METHOD_TRACE("ips_erase_bios_memio", 1); |
| |
| status = 0; |
| |
| /* Clear the status register */ |
| writel(0, ha->mem_ptr + IPS_REG_FLAP); |
| if (ha->revision_id == IPS_REVID_TROMBONE64) |
| udelay(25); /* 25 us */ |
| |
| writeb(0x50, ha->mem_ptr + IPS_REG_FLDP); |
| if (ha->revision_id == IPS_REVID_TROMBONE64) |
| udelay(25); /* 25 us */ |
| |
| /* Erase Setup */ |
| writeb(0x20, ha->mem_ptr + IPS_REG_FLDP); |
| if (ha->revision_id == IPS_REVID_TROMBONE64) |
| udelay(25); /* 25 us */ |
| |
| /* Erase Confirm */ |
| writeb(0xD0, ha->mem_ptr + IPS_REG_FLDP); |
| if (ha->revision_id == IPS_REVID_TROMBONE64) |
| udelay(25); /* 25 us */ |
| |
| /* Erase Status */ |
| writeb(0x70, ha->mem_ptr + IPS_REG_FLDP); |
| if (ha->revision_id == IPS_REVID_TROMBONE64) |
| udelay(25); /* 25 us */ |
| |
| timeout = 80000; /* 80 seconds */ |
| |
| while (timeout > 0) { |
| if (ha->revision_id == IPS_REVID_TROMBONE64) { |
| writel(0, ha->mem_ptr + IPS_REG_FLAP); |
| udelay(25); /* 25 us */ |
| } |
| |
| status = readb(ha->mem_ptr + IPS_REG_FLDP); |
| |
| if (status & 0x80) |
| break; |
| |
| MDELAY(1); |
| timeout--; |
| } |
| |
| /* check for timeout */ |
| if (timeout <= 0) { |
| /* timeout */ |
| |
| /* try to suspend the erase */ |
| writeb(0xB0, ha->mem_ptr + IPS_REG_FLDP); |
| if (ha->revision_id == IPS_REVID_TROMBONE64) |
| udelay(25); /* 25 us */ |
| |
| /* wait for 10 seconds */ |
| timeout = 10000; |
| while (timeout > 0) { |
| if (ha->revision_id == IPS_REVID_TROMBONE64) { |
| writel(0, ha->mem_ptr + IPS_REG_FLAP); |
| udelay(25); /* 25 us */ |
| } |
| |
| status = readb(ha->mem_ptr + IPS_REG_FLDP); |
| |
| if (status & 0xC0) |
| break; |
| |
| MDELAY(1); |
| timeout--; |
| } |
| |
| return (1); |
| } |
| |
| /* check for valid VPP */ |
| if (status & 0x08) |
| /* VPP failure */ |
| return (1); |
| |
| /* check for succesful flash */ |
| if (status & 0x30) |
| /* sequence error */ |
| return (1); |
| |
| /* Otherwise, we were successful */ |
| /* clear status */ |
| writeb(0x50, ha->mem_ptr + IPS_REG_FLDP); |
| if (ha->revision_id == IPS_REVID_TROMBONE64) |
| udelay(25); /* 25 us */ |
| |
| /* enable reads */ |
| writeb(0xFF, ha->mem_ptr + IPS_REG_FLDP); |
| if (ha->revision_id == IPS_REVID_TROMBONE64) |
| udelay(25); /* 25 us */ |
| |
| return (0); |
| } |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: ips_program_bios */ |
| /* */ |
| /* Routine Description: */ |
| /* Program the BIOS on the adapter */ |
| /* */ |
| /****************************************************************************/ |
| static int |
| ips_program_bios(ips_ha_t *ha, char *buffer, uint32_t buffersize, uint32_t offset) { |
| int i; |
| int timeout; |
| uint8_t status=0; |
| |
| METHOD_TRACE("ips_program_bios", 1); |
| |
| status = 0; |
| |
| for (i = 0; i < buffersize; i++) { |
| /* write a byte */ |
| outl(cpu_to_le32(i + offset), ha->io_addr + IPS_REG_FLAP); |
| if (ha->revision_id == IPS_REVID_TROMBONE64) |
| udelay(25); /* 25 us */ |
| |
| outb(0x40, ha->io_addr + IPS_REG_FLDP); |
| if (ha->revision_id == IPS_REVID_TROMBONE64) |
| udelay(25); /* 25 us */ |
| |
| outb(buffer[i], ha->io_addr + IPS_REG_FLDP); |
| if (ha->revision_id == IPS_REVID_TROMBONE64) |
| udelay(25); /* 25 us */ |
| |
| /* wait up to one second */ |
| timeout = 1000; |
| while (timeout > 0) { |
| if (ha->revision_id == IPS_REVID_TROMBONE64) { |
| outl(0, ha->io_addr + IPS_REG_FLAP); |
| udelay(25); /* 25 us */ |
| } |
| |
| status = inb(ha->io_addr + IPS_REG_FLDP); |
| |
| if (status & 0x80) |
| break; |
| |
| MDELAY(1); |
| timeout--; |
| } |
| |
| if (timeout == 0) { |
| /* timeout error */ |
| outl(0, ha->io_addr + IPS_REG_FLAP); |
| if (ha->revision_id == IPS_REVID_TROMBONE64) |
| udelay(25); /* 25 us */ |
| |
| outb(0xFF, ha->io_addr + IPS_REG_FLDP); |
| if (ha->revision_id == IPS_REVID_TROMBONE64) |
| udelay(25); /* 25 us */ |
| |
| return (1); |
| } |
| |
| /* check the status */ |
| if (status & 0x18) { |
| /* programming error */ |
| outl(0, ha->io_addr + IPS_REG_FLAP); |
| if (ha->revision_id == IPS_REVID_TROMBONE64) |
| udelay(25); /* 25 us */ |
| |
| outb(0xFF, ha->io_addr + IPS_REG_FLDP); |
| if (ha->revision_id == IPS_REVID_TROMBONE64) |
| udelay(25); /* 25 us */ |
| |
| return (1); |
| } |
| } /* end for */ |
| |
| /* Enable reading */ |
| outl(0, ha->io_addr + IPS_REG_FLAP); |
| if (ha->revision_id == IPS_REVID_TROMBONE64) |
| udelay(25); /* 25 us */ |
| |
| outb(0xFF, ha->io_addr + IPS_REG_FLDP); |
| if (ha->revision_id == IPS_REVID_TROMBONE64) |
| udelay(25); /* 25 us */ |
| |
| return (0); |
| } |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: ips_program_bios_memio */ |
| /* */ |
| /* Routine Description: */ |
| /* Program the BIOS on the adapter */ |
| /* */ |
| /****************************************************************************/ |
| static int |
| ips_program_bios_memio(ips_ha_t *ha, char *buffer, uint32_t buffersize, uint32_t offset) { |
| int i; |
| int timeout; |
| uint8_t status=0; |
| |
| METHOD_TRACE("ips_program_bios_memio", 1); |
| |
| status = 0; |
| |
| for (i = 0; i < buffersize; i++) { |
| /* write a byte */ |
| writel(i + offset, ha->mem_ptr + IPS_REG_FLAP); |
| if (ha->revision_id == IPS_REVID_TROMBONE64) |
| udelay(25); /* 25 us */ |
| |
| writeb(0x40, ha->mem_ptr + IPS_REG_FLDP); |
| if (ha->revision_id == IPS_REVID_TROMBONE64) |
| udelay(25); /* 25 us */ |
| |
| writeb(buffer[i], ha->mem_ptr + IPS_REG_FLDP); |
| if (ha->revision_id == IPS_REVID_TROMBONE64) |
| udelay(25); /* 25 us */ |
| |
| /* wait up to one second */ |
| timeout = 1000; |
| while (timeout > 0) { |
| if (ha->revision_id == IPS_REVID_TROMBONE64) { |
| writel(0, ha->mem_ptr + IPS_REG_FLAP); |
| udelay(25); /* 25 us */ |
| } |
| |
| status = readb(ha->mem_ptr + IPS_REG_FLDP); |
| |
| if (status & 0x80) |
| break; |
| |
| MDELAY(1); |
| timeout--; |
| } |
| |
| if (timeout == 0) { |
| /* timeout error */ |
| writel(0, ha->mem_ptr + IPS_REG_FLAP); |
| if (ha->revision_id == IPS_REVID_TROMBONE64) |
| udelay(25); /* 25 us */ |
| |
| writeb(0xFF, ha->mem_ptr + IPS_REG_FLDP); |
| if (ha->revision_id == IPS_REVID_TROMBONE64) |
| udelay(25); /* 25 us */ |
| |
| return (1); |
| } |
| |
| /* check the status */ |
| if (status & 0x18) { |
| /* programming error */ |
| writel(0, ha->mem_ptr + IPS_REG_FLAP); |
| if (ha->revision_id == IPS_REVID_TROMBONE64) |
| udelay(25); /* 25 us */ |
| |
| writeb(0xFF, ha->mem_ptr + IPS_REG_FLDP); |
| if (ha->revision_id == IPS_REVID_TROMBONE64) |
| udelay(25); /* 25 us */ |
| |
| return (1); |
| } |
| } /* end for */ |
| |
| /* Enable reading */ |
| writel(0, ha->mem_ptr + IPS_REG_FLAP); |
| if (ha->revision_id == IPS_REVID_TROMBONE64) |
| udelay(25); /* 25 us */ |
| |
| writeb(0xFF, ha->mem_ptr + IPS_REG_FLDP); |
| if (ha->revision_id == IPS_REVID_TROMBONE64) |
| udelay(25); /* 25 us */ |
| |
| return (0); |
| } |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: ips_verify_bios */ |
| /* */ |
| /* Routine Description: */ |
| /* Verify the BIOS on the adapter */ |
| /* */ |
| /****************************************************************************/ |
| static int |
| ips_verify_bios(ips_ha_t *ha, char *buffer, uint32_t buffersize, uint32_t offset) { |
| uint8_t checksum; |
| int i; |
| |
| METHOD_TRACE("ips_verify_bios", 1); |
| |
| /* test 1st byte */ |
| outl(0, ha->io_addr + IPS_REG_FLAP); |
| if (ha->revision_id == IPS_REVID_TROMBONE64) |
| udelay(25); /* 25 us */ |
| |
| if (inb(ha->io_addr + IPS_REG_FLDP) != 0x55) |
| return (1); |
| |
| outl(cpu_to_le32(1), ha->io_addr + IPS_REG_FLAP); |
| if (ha->revision_id == IPS_REVID_TROMBONE64) |
| udelay(25); /* 25 us */ |
| if (inb(ha->io_addr + IPS_REG_FLDP) != 0xAA) |
| return (1); |
| |
| checksum = 0xff; |
| for (i = 2; i < buffersize; i++) { |
| |
| outl(cpu_to_le32(i + offset), ha->io_addr + IPS_REG_FLAP); |
| if (ha->revision_id == IPS_REVID_TROMBONE64) |
| udelay(25); /* 25 us */ |
| |
| checksum = (uint8_t) checksum + inb(ha->io_addr + IPS_REG_FLDP); |
| } |
| |
| if (checksum != 0) |
| /* failure */ |
| return (1); |
| else |
| /* success */ |
| return (0); |
| } |
| |
| /****************************************************************************/ |
| /* */ |
| /* Routine Name: ips_verify_bios_memio */ |
| /* */ |
| /* Routine Description: */ |
| /* Verify the BIOS on the adapter */ |
| /* */ |
| /****************************************************************************/ |
| static int |
| ips_verify_bios_memio(ips_ha_t *ha, char *buffer, uint32_t buffersize, uint32_t offset) { |
| uint8_t checksum; |
| int i; |
| |
| METHOD_TRACE("ips_verify_bios_memio", 1); |
| |
| /* test 1st byte */ |
| writel(0, ha->mem_ptr + IPS_REG_FLAP); |
| if (ha->revision_id == IPS_REVID_TROMBONE64) |
| udelay(25); /* 25 us */ |
| |
| if (readb(ha->mem_ptr + IPS_REG_FLDP) != 0x55) |
| return (1); |
| |
| writel(1, ha->mem_ptr + IPS_REG_FLAP); |
| if (ha->revision_id == IPS_REVID_TROMBONE64) |
| udelay(25); /* 25 us */ |
| if (readb(ha->mem_ptr + IPS_REG_FLDP) != 0xAA) |
| return (1); |
| |
| checksum = 0xff; |
| for (i = 2; i < buffersize; i++) { |
| |
| writel(i + offset, ha->mem_ptr + IPS_REG_FLAP); |
| if (ha->revision_id == IPS_REVID_TROMBONE64) |
| udelay(25); /* 25 us */ |
| |
| checksum = (uint8_t) checksum + readb(ha->mem_ptr + IPS_REG_FLDP); |
| } |
| |
| if (checksum != 0) |
| /* failure */ |
| return (1); |
| else |
| /* success */ |
| return (0); |
| } |
| |
| /*---------------------------------------------------------------------------*/ |
| /* Routine Name: ips_version_check */ |
| /* */ |
| /* Dependencies: */ |
| /* Assumes that ips_read_adapter_status() is called first filling in */ |
| /* the data for SubSystem Parameters. */ |
| /* Called from ips_write_driver_status() so it also assumes NVRAM Page 5 */ |
| /* Data is availaible. */ |
| /* */ |
| /*---------------------------------------------------------------------------*/ |
| static void ips_version_check(ips_ha_t *ha, int intr) { |
| IPS_VERSION_DATA VersionInfo; |
| uint8_t FirmwareVersion[ IPS_COMPAT_ID_LENGTH + 1 ]; |
| uint8_t BiosVersion[ IPS_COMPAT_ID_LENGTH + 1]; |
| int MatchError; |
| int rc; |
| |
| METHOD_TRACE("ips_version_check", 1); |
| |
| memset(FirmwareVersion, 0, IPS_COMPAT_ID_LENGTH + 1); |
| memset(BiosVersion, 0, IPS_COMPAT_ID_LENGTH + 1); |
| |
| /* Get the Compatible BIOS Version from NVRAM Page 5 */ |
| memcpy(BiosVersion, ha->nvram->BiosCompatibilityID, IPS_COMPAT_ID_LENGTH); |
| |
| rc = IPS_FAILURE; |
| if (ha->subsys->param[4] & IPS_GET_VERSION_SUPPORT) /* If Versioning is Supported */ |
| { |
| /* Get the Version Info with a Get Version Command */ |
| rc = ips_get_version_info(ha, &VersionInfo, intr); |
| if (rc == IPS_SUCCESS) |
| memcpy(FirmwareVersion, VersionInfo.compatibilityId, IPS_COMPAT_ID_LENGTH); |
| } |
| |
| if (rc != IPS_SUCCESS) /* If Data Not Obtainable from a GetVersion Command */ |
| { |
| /* Get the Firmware Version from Enquiry Data */ |
| memcpy(FirmwareVersion, ha->enq->CodeBlkVersion, IPS_COMPAT_ID_LENGTH); |
| } |
| |
| /* printk(KERN_WARNING "Adapter's BIOS Version = %s\n", BiosVersion); */ |
| /* printk(KERN_WARNING "BIOS Compatible Version = %s\n", IPS_COMPAT_BIOS); */ |
| /* printk(KERN_WARNING "Adapter's Firmware Version = %s\n", FirmwareVersion); */ |
| /* printk(KERN_WARNING "Firmware Compatible Version = %s \n", Compatable[ ha->nvram->adapter_type ]); */ |
| |
| MatchError = 0; |
| |
| if (strncmp(FirmwareVersion, Compatable[ ha->nvram->adapter_type ], IPS_COMPAT_ID_LENGTH) != 0) |
| { |
| if (ips_cd_boot == 0) |
| printk(KERN_WARNING "Warning: Adapter %d Firmware Compatible Version is %s, but should be %s\n", |
| ha->host_num, FirmwareVersion, Compatable[ ha->nvram->adapter_type ]); |
| MatchError = 1; |
| } |
| |
| if (strncmp(BiosVersion, IPS_COMPAT_BIOS, IPS_COMPAT_ID_LENGTH) != 0) |
| { |
| if (ips_cd_boot == 0) |
| printk(KERN_WARNING "Warning: Adapter %d BIOS Compatible Version is %s, but should be %s\n", |
| ha->host_num, BiosVersion, IPS_COMPAT_BIOS); |
| MatchError = 1; |
| } |
| |
| ha->nvram->versioning = 1; /* Indicate the Driver Supports Versioning */ |
| |
| if (MatchError) |
| { |
| ha->nvram->version_mismatch = 1; |
| if (ips_cd_boot == 0) |
| printk(KERN_WARNING "Warning ! ! ! ServeRAID Version Mismatch\n"); |
| } |
| else |
| { |
| ha->nvram->version_mismatch = 0; |
| } |
| |
| return; |
| } |
| |
| /*---------------------------------------------------------------------------*/ |
| /* Routine Name: ips_get_version_info */ |
| /* */ |
| /* Routine Description: */ |
| /* Issue an internal GETVERSION ServeRAID Command */ |
| /* */ |
| /* Return Value: */ |
| /* 0 if Successful, else non-zero */ |
| /*---------------------------------------------------------------------------*/ |
| static int ips_get_version_info(ips_ha_t *ha, IPS_VERSION_DATA *Buffer, int intr ) { |
| ips_scb_t *scb; |
| int rc; |
| |
| METHOD_TRACE("ips_get_version_info", 1); |
| |
| memset(Buffer, 0, sizeof(IPS_VERSION_DATA)); |
| scb = &ha->scbs[ha->max_cmds-1]; |
| |
| ips_init_scb(ha, scb); |
| |
| scb->timeout = ips_cmd_timeout; |
| scb->cdb[0] = IPS_CMD_GET_VERSION_INFO; |
| scb->cmd.version_info.op_code = IPS_CMD_GET_VERSION_INFO; |
| scb->cmd.version_info.command_id = IPS_COMMAND_ID(ha, scb); |
| scb->cmd.version_info.reserved = 0; |
| scb->cmd.version_info.count = sizeof( IPS_VERSION_DATA); |
| scb->cmd.version_info.reserved2 = 0; |
| scb->data_len = sizeof(*Buffer); |
| scb->data_busaddr = pci_map_single(ha->pcidev, Buffer, |
| scb->data_len, IPS_DMA_DIR(scb)); |
| scb->cmd.version_info.buffer_addr = scb->data_busaddr; |
| scb->flags |= IPS_SCB_MAP_SINGLE; |
| |
| /* issue command */ |
| rc = ips_send_wait(ha, scb, ips_cmd_timeout, intr); |
| return( rc ); |
| } |
| |
| |
| |
| #if defined (MODULE) || (LINUX_VERSION_CODE >= LinuxVersionCode(2,4,0)) |
| static Scsi_Host_Template driver_template = IPS; |
| #include "scsi_module.c" |
| #endif |
| |
| |
| #if LINUX_VERSION_CODE >= LinuxVersionCode(2,4,0) |
| |
| /*---------------------------------------------------------------------------*/ |
| /* Routine Name: ips_remove_device */ |
| /* */ |
| /* Routine Description: */ |
| /* Remove one Adapter ( Hot Plugging ) */ |
| /*---------------------------------------------------------------------------*/ |
| static void __devexit ips_remove_device(struct pci_dev *pci_dev) |
| { |
| int i; |
| struct Scsi_Host *sh; |
| ips_ha_t *ha; |
| |
| for (i = 0; i < IPS_MAX_ADAPTERS; i++) { |
| ha = ips_ha[i]; |
| if (ha) { |
| if ( (pci_dev->bus->number == ha->pcidev->bus->number) && |
| (pci_dev->devfn == ha->pcidev->devfn)) { |
| sh = ips_sh[i]; |
| ips_release(sh); |
| } |
| } |
| } |
| } |
| |
| |
| /*---------------------------------------------------------------------------*/ |
| /* Routine Name: ips_insert_device */ |
| /* */ |
| /* Routine Description: */ |
| /* Add One Adapter ( Hot Plug ) */ |
| /* */ |
| /* Return Value: */ |
| /* 0 if Successful, else non-zero */ |
| /*---------------------------------------------------------------------------*/ |
| static int __devinit ips_insert_device(struct pci_dev *pci_dev, const struct pci_device_id *ent) |
| { |
| int index; |
| int rc; |
| |
| METHOD_TRACE("ips_insert_device", 1); |
| if (pci_enable_device(pci_dev)) |
| return -1; |
| |
| rc = ips_init_phase1(pci_dev, &index); |
| if (rc == SUCCESS) |
| rc = ips_init_phase2(index); |
| |
| if (rc == SUCCESS) |
| ips_num_controllers++; |
| |
| ips_next_controller = ips_num_controllers; |
| return rc; |
| } |
| |
| |
| /*---------------------------------------------------------------------------*/ |
| /* Routine Name: ips_init_phase1 */ |
| /* */ |
| /* Routine Description: */ |
| /* Adapter Initialization */ |
| /* */ |
| /* Return Value: */ |
| /* 0 if Successful, else non-zero */ |
| /*---------------------------------------------------------------------------*/ |
| static int ips_init_phase1( struct pci_dev *pci_dev, int *indexPtr ) |
| { |
| struct Scsi_Host *sh; |
| ips_ha_t *ha; |
| uint32_t io_addr; |
| uint32_t mem_addr; |
| uint32_t io_len; |
| uint32_t mem_len; |
| uint8_t revision_id; |
| uint8_t bus; |
| uint8_t func; |
| uint8_t irq; |
| uint16_t subdevice_id; |
| int j; |
| int index; |
| uint32_t count; |
| dma_addr_t dma_address; |
| char *ioremap_ptr; |
| char *mem_ptr; |
| |
| METHOD_TRACE("ips_init_phase1", 1); |
| index = IPS_MAX_ADAPTERS; |
| for (j = 0; j < IPS_MAX_ADAPTERS; j++) { |
| if (ips_ha[j] ==0) { |
| index = j; |
| break; |
| } |
| } |
| |
| if (index >= IPS_MAX_ADAPTERS) |
| return -1; |
| |
| /* stuff that we get in dev */ |
| irq = pci_dev->irq; |
| bus = pci_dev->bus->number; |
| func = pci_dev->devfn; |
| |
| /* Init MEM/IO addresses to 0 */ |
| mem_addr = 0; |
| io_addr = 0; |
| mem_len = 0; |
| io_len = 0; |
| |
| for (j = 0; j < 2; j++) { |
| if (!pci_resource_start(pci_dev, j)) |
| break; |
| |
| if (pci_resource_flags(pci_dev, j) & IORESOURCE_IO) { |
| io_addr = pci_resource_start(pci_dev, j); |
| io_len = pci_resource_len(pci_dev, j); |
| } else { |
| mem_addr = pci_resource_start(pci_dev, j); |
| mem_len = pci_resource_len(pci_dev, j); |
| } |
| } |
| |
| /* setup memory mapped area (if applicable) */ |
| if (mem_addr) { |
| uint32_t base; |
| uint32_t offs; |
| |
| if (check_mem_region(mem_addr, mem_len)) { |
| printk(KERN_WARNING "Couldn't allocate IO Memory space %x len %d.\n", mem_addr, mem_len); |
| return -1; |
| } |
| |
| request_mem_region(mem_addr, mem_len, "ips"); |
| base = mem_addr & PAGE_MASK; |
| offs = mem_addr - base; |
| ioremap_ptr = ioremap(base, PAGE_SIZE); |
| mem_ptr = ioremap_ptr + offs; |
| } else { |
| ioremap_ptr = NULL; |
| mem_ptr = NULL; |
| } |
| |
| /* setup I/O mapped area (if applicable) */ |
| if (io_addr) { |
| if (check_region(io_addr, io_len)) { |
| printk(KERN_WARNING "Couldn't allocate IO space %x len %d.\n", io_addr, io_len); |
| return -1; |
| } |
| request_region(io_addr, io_len, "ips"); |
| } |
| |
| /* get the revision ID */ |
| if (pci_read_config_byte(pci_dev, PCI_REVISION_ID, &revision_id)) { |
| printk(KERN_WARNING "Can't get revision id.\n" ); |
| return -1; |
| } |
| |
| subdevice_id = pci_dev->subsystem_device; |
| |
| /* found a controller */ |
| sh = scsi_register(&driver_template, sizeof(ips_ha_t)); |
| #if LINUX_VERSION_CODE > LinuxVersionCode(2,5,0) |
| pci_set_dma_mask(pci_dev, (u64)0xffffffff); |
| scsi_set_pci_device(sh, pci_dev); |
| #endif |
| if (sh == NULL) { |
| printk(KERN_WARNING "Unable to register controller with SCSI subsystem\n" ); |
| return -1; |
| } |
| |
| ha = IPS_HA(sh); |
| memset(ha, 0, sizeof(ips_ha_t)); |
| |
| /* Initialize spin lock */ |
| spin_lock_init(&ha->scb_lock); |
| spin_lock_init(&ha->copp_lock); |
| spin_lock_init(&ha->ips_lock); |
| spin_lock_init(&ha->copp_waitlist.lock); |
| spin_lock_init(&ha->scb_waitlist.lock); |
| spin_lock_init(&ha->scb_activelist.lock); |
| |
| ips_sh[index] = sh; |
| ips_ha[index] = ha; |
| ha->active = 1; |
| |
| ha->enq = kmalloc(sizeof(IPS_ENQ), GFP_KERNEL); |
| |
| if (!ha->enq) { |
| printk(KERN_WARNING "Unable to allocate host inquiry structure\n" ); |
| ha->active = 0; |
| ips_free(ha); |
| scsi_unregister(sh); |
| ips_ha[index] = 0; |
| ips_sh[index] = 0; |
| return -1; |
| } |
| |
| ha->adapt = pci_alloc_consistent(ha->pcidev, sizeof(IPS_ADAPTER) + |
| sizeof(IPS_IO_CMD), &dma_address); |
| if (!ha->adapt) { |
| printk(KERN_WARNING "Unable to allocate host adapt & dummy structures\n"); |
| ha->active = 0; |
| ips_free(ha); |
| scsi_unregister(sh); |
| ips_ha[index] = 0; |
| ips_sh[index] = 0; |
| return -1; |
| } |
| ha->adapt->hw_status_start = dma_address; |
| ha->dummy = (void *)(ha->adapt + 1); |
| |
| ha->conf = kmalloc(sizeof(IPS_CONF), GFP_KERNEL); |
| |
| if (!ha->conf) { |
| printk(KERN_WARNING "Unable to allocate host conf structure\n" ); |
| ha->active = 0; |
| ips_free(ha); |
| scsi_unregister(sh); |
| ips_ha[index] = 0; |
| ips_sh[index] = 0; |
| return -1; |
| } |
| |
| ha->nvram = kmalloc(sizeof(IPS_NVRAM_P5), GFP_KERNEL); |
| |
| if (!ha->nvram) { |
| printk(KERN_WARNING "Unable to allocate host NVRAM structure\n" ); |
| ha->active = 0; |
| ips_free(ha); |
| scsi_unregister(sh); |
| ips_ha[index] = 0; |
| ips_sh[index] = 0; |
| return -1; |
| } |
| |
| ha->subsys = kmalloc(sizeof(IPS_SUBSYS), GFP_KERNEL); |
| |
| if (!ha->subsys) { |
| printk(KERN_WARNING "Unable to allocate host subsystem structure\n" ); |
| ha->active = 0; |
| ips_free(ha); |
| scsi_unregister(sh); |
| ips_ha[index] = 0; |
| ips_sh[index] = 0; |
| return -1; |
| } |
| |
| for (count = PAGE_SIZE, ha->ioctl_order = 0; |
| count < ips_ioctlsize; |
| ha->ioctl_order++, count <<= 1); |
| |
| ha->ioctl_data = (char *) __get_free_pages(GFP_KERNEL, ha->ioctl_order); |
| ha->ioctl_datasize = count; |
| |
| if (!ha->ioctl_data) { |
| printk(KERN_WARNING "Unable to allocate IOCTL data\n" ); |
| ha->ioctl_data = NULL; |
| ha->ioctl_order = 0; |
| ha->ioctl_datasize = 0; |
| } |
| |
| /* Store away needed values for later use */ |
| sh->io_port = io_addr; |
| sh->n_io_port = io_addr ? 255 : 0; |
| sh->unique_id = (io_addr) ? io_addr : mem_addr; |
| sh->irq = irq; |
| sh->select_queue_depths = ips_select_queue_depth; |
| sh->sg_tablesize = sh->hostt->sg_tablesize; |
| sh->can_queue = sh->hostt->can_queue; |
| sh->cmd_per_lun = sh->hostt->cmd_per_lun; |
| sh->unchecked_isa_dma = sh->hostt->unchecked_isa_dma; |
| sh->use_clustering = sh->hostt->use_clustering; |
| |
| #if LINUX_VERSION_CODE >= LinuxVersionCode(2,4,7) |
| sh->max_sectors = 128; |
| #endif |
| |
| /* Store info in HA structure */ |
| ha->irq = irq; |
| ha->io_addr = io_addr; |
| ha->io_len = io_len; |
| ha->mem_addr = mem_addr; |
| ha->mem_len = mem_len; |
| ha->mem_ptr = mem_ptr; |
| ha->ioremap_ptr = ioremap_ptr; |
| ha->host_num = ( uint32_t) index; |
| ha->revision_id = revision_id; |
| ha->slot_num = PCI_SLOT(pci_dev->devfn); |
| ha->device_id = pci_dev->device; |
| ha->subdevice_id = subdevice_id; |
| ha->pcidev = pci_dev; |
| |
| /* |
| * Setup Functions |
| */ |
| if (IPS_IS_MORPHEUS(ha)) { |
| /* morpheus */ |
| ha->func.isintr = ips_isintr_morpheus; |
| ha->func.isinit = ips_isinit_morpheus; |
| ha->func.issue = ips_issue_i2o_memio; |
| ha->func.init = ips_init_morpheus; |
| ha->func.statupd = ips_statupd_morpheus; |
| ha->func.reset = ips_reset_morpheus; |
| ha->func.intr = ips_intr_morpheus; |
| ha->func.enableint = ips_enable_int_morpheus; |
| } else if (IPS_USE_MEMIO(ha)) { |
| /* copperhead w/MEMIO */ |
| ha->func.isintr = ips_isintr_copperhead_memio; |
| ha->func.isinit = ips_isinit_copperhead_memio; |
| ha->func.init = ips_init_copperhead_memio; |
| ha->func.statupd = ips_statupd_copperhead_memio; |
| ha->func.statinit = ips_statinit_memio; |
| ha->func.reset = ips_reset_copperhead_memio; |
| ha->func.intr = ips_intr_copperhead; |
| ha->func.erasebios = ips_erase_bios_memio; |
| ha->func.programbios = ips_program_bios_memio; |
| ha->func.verifybios = ips_verify_bios_memio; |
| ha->func.enableint = ips_enable_int_copperhead_memio; |
| |
| if (IPS_USE_I2O_DELIVER(ha)) |
| ha->func.issue = ips_issue_i2o_memio; |
| else |
| ha->func.issue = ips_issue_copperhead_memio; |
| } else { |
| /* copperhead */ |
| ha->func.isintr = ips_isintr_copperhead; |
| ha->func.isinit = ips_isinit_copperhead; |
| ha->func.init = ips_init_copperhead; |
| ha->func.statupd = ips_statupd_copperhead; |
| ha->func.statinit = ips_statinit; |
| ha->func.reset = ips_reset_copperhead; |
| ha->func.intr = ips_intr_copperhead; |
| ha->func.erasebios = ips_erase_bios; |
| ha->func.programbios = ips_program_bios; |
| ha->func.verifybios = ips_verify_bios; |
| ha->func.enableint = ips_enable_int_copperhead; |
| |
| if (IPS_USE_I2O_DELIVER(ha)) |
| ha->func.issue = ips_issue_i2o; |
| else |
| ha->func.issue = ips_issue_copperhead; |
| } |
| |
| /* |
| * Initialize the card if it isn't already |
| */ |
| |
| if (!(*ha->func.isinit)(ha)) { |
| if (!(*ha->func.init)(ha)) { |
| /* |
| * Initialization failed |
| */ |
| printk(KERN_WARNING "Unable to initialize controller\n" ); |
| ha->active = 0; |
| ips_free(ha); |
| scsi_unregister(sh); |
| ips_ha[index] = 0; |
| ips_sh[index] = 0; |
| return -1; |
| } |
| } |
| |
| /* Install the interrupt handler */ |
| if (request_irq(irq, do_ipsintr, SA_SHIRQ, ips_name, ha)) { |
| printk(KERN_WARNING "Unable to install interrupt handler\n" ); |
| ha->active = 0; |
| ips_free(ha); |
| scsi_unregister(sh); |
| ips_ha[index] = 0; |
| ips_sh[index] = 0; |
| return -1; |
| } |
| |
| /* |
| * Allocate a temporary SCB for initialization |
| */ |
| ha->max_cmds = 1; |
| if (!ips_allocatescbs(ha)) { |
| printk(KERN_WARNING "Unable to allocate a CCB\n" ); |
| ha->active = 0; |
| free_irq(ha->irq, ha); |
| ips_free(ha); |
| scsi_unregister(sh); |
| ips_ha[index] = 0; |
| ips_sh[index] = 0; |
| return -1; |
| } |
| |
| *indexPtr = index; |
| return SUCCESS; |
| } |
| |
| #endif |
| |
| /*---------------------------------------------------------------------------*/ |
| /* Routine Name: ips_init_phase2 */ |
| /* */ |
| /* Routine Description: */ |
| /* Adapter Initialization Phase 2 */ |
| /* */ |
| /* Return Value: */ |
| /* 0 if Successful, else non-zero */ |
| /*---------------------------------------------------------------------------*/ |
| static int ips_init_phase2( int index ) |
| { |
| struct Scsi_Host *sh; |
| ips_ha_t *ha; |
| |
| ha = ips_ha[index]; |
| sh = ips_sh[index]; |
| |
| METHOD_TRACE("ips_init_phase2", 1); |
| if (!ha->active) { |
| scsi_unregister(sh); |
| ips_ha[index] = NULL; |
| ips_sh[index] = NULL; |
| return -1;; |
| } |
| |
| if (!ips_hainit(ha)) { |
| printk(KERN_WARNING "Unable to initialize controller\n" ); |
| ha->active = 0; |
| ips_free(ha); |
| free_irq(ha->irq, ha); |
| scsi_unregister(sh); |
| ips_ha[index] = NULL; |
| ips_sh[index] = NULL; |
| return -1; |
| } |
| /* Free the temporary SCB */ |
| ips_deallocatescbs(ha, 1); |
| |
| /* allocate CCBs */ |
| if (!ips_allocatescbs(ha)) { |
| printk(KERN_WARNING "Unable to allocate CCBs\n" ); |
| ha->active = 0; |
| ips_free(ha); |
| free_irq(ha->irq, ha); |
| scsi_unregister(sh); |
| ips_ha[index] = NULL; |
| ips_sh[index] = NULL; |
| return -1; |
| } |
| |
| /* finish setting values */ |
| sh->max_id = ha->ntargets; |
| sh->max_lun = ha->nlun; |
| sh->max_channel = ha->nbus - 1; |
| sh->can_queue = ha->max_cmds-1; |
| |
| return SUCCESS; |
| } |
| |
| |
| #if LINUX_VERSION_CODE >= LinuxVersionCode(2,4,9) |
| MODULE_LICENSE("GPL"); |
| #endif |
| |
| /* |
| * Overrides for Emacs so that we almost follow Linus's tabbing style. |
| * Emacs will notice this stuff at the end of the file and automatically |
| * adjust the settings for this buffer only. This must remain at the end |
| * of the file. |
| * --------------------------------------------------------------------------- |
| * Local variables: |
| * c-indent-level: 2 |
| * c-brace-imaginary-offset: 0 |
| * c-brace-offset: -2 |
| * c-argdecl-indent: 2 |
| * c-label-offset: -2 |
| * c-continued-statement-offset: 2 |
| * c-continued-brace-offset: 0 |
| * indent-tabs-mode: nil |
| * tab-width: 8 |
| * End: |
| */ |