| /* SPDX-License-Identifier: GPL-2.0-only */ |
| /* |
| * SAS host prototypes and structures header file |
| * |
| * Copyright (C) 2005 Adaptec, Inc. All rights reserved. |
| * Copyright (C) 2005 Luben Tuikov <luben_tuikov@adaptec.com> |
| */ |
| |
| #ifndef _LIBSAS_H_ |
| #define _LIBSAS_H_ |
| |
| |
| #include <linux/timer.h> |
| #include <linux/pci.h> |
| #include <scsi/sas.h> |
| #include <linux/libata.h> |
| #include <linux/list.h> |
| #include <scsi/scsi_device.h> |
| #include <scsi/scsi_cmnd.h> |
| #include <scsi/scsi_transport_sas.h> |
| #include <linux/scatterlist.h> |
| #include <linux/slab.h> |
| |
| struct block_device; |
| |
| enum sas_class { |
| SAS, |
| EXPANDER |
| }; |
| |
| enum sas_phy_role { |
| PHY_ROLE_NONE = 0, |
| PHY_ROLE_TARGET = 0x40, |
| PHY_ROLE_INITIATOR = 0x80, |
| }; |
| |
| enum sas_phy_type { |
| PHY_TYPE_PHYSICAL, |
| PHY_TYPE_VIRTUAL |
| }; |
| |
| /* The events are mnemonically described in sas_dump.c |
| * so when updating/adding events here, please also |
| * update the other file too. |
| */ |
| enum port_event { |
| PORTE_BYTES_DMAED = 0U, |
| PORTE_BROADCAST_RCVD, |
| PORTE_LINK_RESET_ERR, |
| PORTE_TIMER_EVENT, |
| PORTE_HARD_RESET, |
| PORT_NUM_EVENTS, |
| }; |
| |
| enum phy_event { |
| PHYE_LOSS_OF_SIGNAL = 0U, |
| PHYE_OOB_DONE, |
| PHYE_OOB_ERROR, |
| PHYE_SPINUP_HOLD, /* hot plug SATA, no COMWAKE sent */ |
| PHYE_RESUME_TIMEOUT, |
| PHYE_SHUTDOWN, |
| PHY_NUM_EVENTS, |
| }; |
| |
| enum discover_event { |
| DISCE_DISCOVER_DOMAIN = 0U, |
| DISCE_REVALIDATE_DOMAIN, |
| DISCE_SUSPEND, |
| DISCE_RESUME, |
| DISC_NUM_EVENTS, |
| }; |
| |
| /* ---------- Expander Devices ---------- */ |
| |
| #define to_dom_device(_obj) container_of(_obj, struct domain_device, dev_obj) |
| #define to_dev_attr(_attr) container_of(_attr, struct domain_dev_attribute,\ |
| attr) |
| |
| enum routing_attribute { |
| DIRECT_ROUTING, |
| SUBTRACTIVE_ROUTING, |
| TABLE_ROUTING, |
| }; |
| |
| enum ex_phy_state { |
| PHY_EMPTY, |
| PHY_VACANT, |
| PHY_NOT_PRESENT, |
| PHY_DEVICE_DISCOVERED |
| }; |
| |
| struct ex_phy { |
| int phy_id; |
| |
| enum ex_phy_state phy_state; |
| |
| enum sas_device_type attached_dev_type; |
| enum sas_linkrate linkrate; |
| |
| u8 attached_sata_host:1; |
| u8 attached_sata_dev:1; |
| u8 attached_sata_ps:1; |
| |
| enum sas_protocol attached_tproto; |
| enum sas_protocol attached_iproto; |
| |
| u8 attached_sas_addr[SAS_ADDR_SIZE]; |
| u8 attached_phy_id; |
| |
| int phy_change_count; |
| enum routing_attribute routing_attr; |
| u8 virtual:1; |
| |
| int last_da_index; |
| |
| struct sas_phy *phy; |
| struct sas_port *port; |
| }; |
| |
| struct expander_device { |
| struct list_head children; |
| |
| int ex_change_count; |
| u16 max_route_indexes; |
| u8 num_phys; |
| |
| u8 t2t_supp:1; |
| u8 configuring:1; |
| u8 conf_route_table:1; |
| |
| u8 enclosure_logical_id[8]; |
| |
| struct ex_phy *ex_phy; |
| struct sas_port *parent_port; |
| |
| struct mutex cmd_mutex; |
| }; |
| |
| /* ---------- SATA device ---------- */ |
| #define ATA_RESP_FIS_SIZE 24 |
| |
| struct sata_device { |
| unsigned int class; |
| u8 port_no; /* port number, if this is a PM (Port) */ |
| |
| struct ata_port *ap; |
| struct ata_host *ata_host; |
| struct smp_rps_resp rps_resp ____cacheline_aligned; /* report_phy_sata_resp */ |
| u8 fis[ATA_RESP_FIS_SIZE]; |
| }; |
| |
| struct ssp_device { |
| struct list_head eh_list_node; /* pending a user requested eh action */ |
| struct scsi_lun reset_lun; |
| }; |
| |
| enum { |
| SAS_DEV_GONE, |
| SAS_DEV_FOUND, /* device notified to lldd */ |
| SAS_DEV_DESTROY, |
| SAS_DEV_EH_PENDING, |
| SAS_DEV_LU_RESET, |
| SAS_DEV_RESET, |
| }; |
| |
| struct domain_device { |
| spinlock_t done_lock; |
| enum sas_device_type dev_type; |
| |
| enum sas_linkrate linkrate; |
| enum sas_linkrate min_linkrate; |
| enum sas_linkrate max_linkrate; |
| |
| int pathways; |
| |
| struct domain_device *parent; |
| struct list_head siblings; /* devices on the same level */ |
| struct asd_sas_port *port; /* shortcut to root of the tree */ |
| struct sas_phy *phy; |
| |
| struct list_head dev_list_node; |
| struct list_head disco_list_node; /* awaiting probe or destruct */ |
| |
| enum sas_protocol iproto; |
| enum sas_protocol tproto; |
| |
| struct sas_rphy *rphy; |
| |
| u8 sas_addr[SAS_ADDR_SIZE]; |
| u8 hashed_sas_addr[HASHED_SAS_ADDR_SIZE]; |
| |
| u8 frame_rcvd[32]; |
| |
| union { |
| struct expander_device ex_dev; |
| struct sata_device sata_dev; /* STP & directly attached */ |
| struct ssp_device ssp_dev; |
| }; |
| |
| void *lldd_dev; |
| unsigned long state; |
| struct kref kref; |
| }; |
| |
| struct sas_work { |
| struct list_head drain_node; |
| struct work_struct work; |
| }; |
| |
| static inline bool dev_is_expander(enum sas_device_type type) |
| { |
| return type == SAS_EDGE_EXPANDER_DEVICE || |
| type == SAS_FANOUT_EXPANDER_DEVICE; |
| } |
| |
| static inline void INIT_SAS_WORK(struct sas_work *sw, void (*fn)(struct work_struct *)) |
| { |
| INIT_WORK(&sw->work, fn); |
| INIT_LIST_HEAD(&sw->drain_node); |
| } |
| |
| struct sas_discovery_event { |
| struct sas_work work; |
| struct asd_sas_port *port; |
| }; |
| |
| static inline struct sas_discovery_event *to_sas_discovery_event(struct work_struct *work) |
| { |
| struct sas_discovery_event *ev = container_of(work, typeof(*ev), work.work); |
| |
| return ev; |
| } |
| |
| struct sas_discovery { |
| struct sas_discovery_event disc_work[DISC_NUM_EVENTS]; |
| unsigned long pending; |
| u8 fanout_sas_addr[SAS_ADDR_SIZE]; |
| u8 eeds_a[SAS_ADDR_SIZE]; |
| u8 eeds_b[SAS_ADDR_SIZE]; |
| int max_level; |
| }; |
| |
| /* The port struct is Class:RW, driver:RO */ |
| struct asd_sas_port { |
| /* private: */ |
| struct sas_discovery disc; |
| struct domain_device *port_dev; |
| spinlock_t dev_list_lock; |
| struct list_head dev_list; |
| struct list_head disco_list; |
| struct list_head destroy_list; |
| struct list_head sas_port_del_list; |
| enum sas_linkrate linkrate; |
| |
| struct sas_work work; |
| int suspended; |
| |
| /* public: */ |
| int id; |
| |
| enum sas_class class; |
| u8 sas_addr[SAS_ADDR_SIZE]; |
| u8 attached_sas_addr[SAS_ADDR_SIZE]; |
| enum sas_protocol iproto; |
| enum sas_protocol tproto; |
| |
| enum sas_oob_mode oob_mode; |
| |
| spinlock_t phy_list_lock; |
| struct list_head phy_list; |
| int num_phys; |
| u32 phy_mask; |
| |
| struct sas_ha_struct *ha; |
| |
| struct sas_port *port; |
| |
| void *lldd_port; /* not touched by the sas class code */ |
| }; |
| |
| struct asd_sas_event { |
| struct sas_work work; |
| struct asd_sas_phy *phy; |
| int event; |
| }; |
| |
| static inline struct asd_sas_event *to_asd_sas_event(struct work_struct *work) |
| { |
| struct asd_sas_event *ev = container_of(work, typeof(*ev), work.work); |
| |
| return ev; |
| } |
| |
| static inline void INIT_SAS_EVENT(struct asd_sas_event *ev, |
| void (*fn)(struct work_struct *), |
| struct asd_sas_phy *phy, int event) |
| { |
| INIT_SAS_WORK(&ev->work, fn); |
| ev->phy = phy; |
| ev->event = event; |
| } |
| |
| #define SAS_PHY_SHUTDOWN_THRES 1024 |
| |
| /* The phy pretty much is controlled by the LLDD. |
| * The class only reads those fields. |
| */ |
| struct asd_sas_phy { |
| /* private: */ |
| atomic_t event_nr; |
| int in_shutdown; |
| int error; |
| int suspended; |
| |
| struct sas_phy *phy; |
| |
| /* public: */ |
| /* The following are class:RO, driver:R/W */ |
| int enabled; /* must be set */ |
| |
| int id; /* must be set */ |
| enum sas_class class; |
| enum sas_protocol iproto; |
| enum sas_protocol tproto; |
| |
| enum sas_phy_type type; |
| enum sas_phy_role role; |
| enum sas_oob_mode oob_mode; |
| enum sas_linkrate linkrate; |
| |
| u8 *sas_addr; /* must be set */ |
| u8 attached_sas_addr[SAS_ADDR_SIZE]; /* class:RO, driver: R/W */ |
| |
| spinlock_t frame_rcvd_lock; |
| u8 *frame_rcvd; /* must be set */ |
| int frame_rcvd_size; |
| |
| spinlock_t sas_prim_lock; |
| u32 sas_prim; |
| |
| struct list_head port_phy_el; /* driver:RO */ |
| struct asd_sas_port *port; /* Class:RW, driver: RO */ |
| |
| struct sas_ha_struct *ha; /* may be set; the class sets it anyway */ |
| |
| void *lldd_phy; /* not touched by the sas_class_code */ |
| }; |
| |
| struct scsi_core { |
| struct Scsi_Host *shost; |
| |
| }; |
| |
| enum sas_ha_state { |
| SAS_HA_REGISTERED, |
| SAS_HA_DRAINING, |
| SAS_HA_ATA_EH_ACTIVE, |
| SAS_HA_FROZEN, |
| SAS_HA_RESUMING, |
| }; |
| |
| struct sas_ha_struct { |
| /* private: */ |
| struct list_head defer_q; /* work queued while draining */ |
| struct mutex drain_mutex; |
| unsigned long state; |
| spinlock_t lock; |
| int eh_active; |
| wait_queue_head_t eh_wait_q; |
| struct list_head eh_dev_q; |
| |
| struct mutex disco_mutex; |
| |
| struct scsi_core core; |
| |
| /* public: */ |
| char *sas_ha_name; |
| struct device *dev; /* should be set */ |
| struct module *lldd_module; /* should be set */ |
| |
| struct workqueue_struct *event_q; |
| struct workqueue_struct *disco_q; |
| |
| u8 *sas_addr; /* must be set */ |
| u8 hashed_sas_addr[HASHED_SAS_ADDR_SIZE]; |
| |
| spinlock_t phy_port_lock; |
| struct asd_sas_phy **sas_phy; /* array of valid pointers, must be set */ |
| struct asd_sas_port **sas_port; /* array of valid pointers, must be set */ |
| int num_phys; /* must be set, gt 0, static */ |
| |
| int strict_wide_ports; /* both sas_addr and attached_sas_addr must match |
| * their siblings when forming wide ports */ |
| |
| void *lldd_ha; /* not touched by sas class code */ |
| |
| struct list_head eh_done_q; /* complete via scsi_eh_flush_done_q */ |
| struct list_head eh_ata_q; /* scmds to promote from sas to ata eh */ |
| |
| int event_thres; |
| }; |
| |
| #define SHOST_TO_SAS_HA(_shost) (*(struct sas_ha_struct **)(_shost)->hostdata) |
| |
| static inline struct domain_device * |
| starget_to_domain_dev(struct scsi_target *starget) { |
| return starget->hostdata; |
| } |
| |
| static inline struct domain_device * |
| sdev_to_domain_dev(struct scsi_device *sdev) { |
| return starget_to_domain_dev(sdev->sdev_target); |
| } |
| |
| static inline struct ata_device *sas_to_ata_dev(struct domain_device *dev) |
| { |
| return &dev->sata_dev.ap->link.device[0]; |
| } |
| |
| static inline struct domain_device * |
| cmd_to_domain_dev(struct scsi_cmnd *cmd) |
| { |
| return sdev_to_domain_dev(cmd->device); |
| } |
| |
| void sas_hash_addr(u8 *hashed, const u8 *sas_addr); |
| |
| /* Before calling a notify event, LLDD should use this function |
| * when the link is severed (possibly from its tasklet). |
| * The idea is that the Class only reads those, while the LLDD, |
| * can R/W these (thus avoiding a race). |
| */ |
| static inline void sas_phy_disconnected(struct asd_sas_phy *phy) |
| { |
| phy->oob_mode = OOB_NOT_CONNECTED; |
| phy->linkrate = SAS_LINK_RATE_UNKNOWN; |
| } |
| |
| static inline unsigned int to_sas_gpio_od(int device, int bit) |
| { |
| return 3 * device + bit; |
| } |
| |
| static inline void sas_put_local_phy(struct sas_phy *phy) |
| { |
| put_device(&phy->dev); |
| } |
| |
| #ifdef CONFIG_SCSI_SAS_HOST_SMP |
| int try_test_sas_gpio_gp_bit(unsigned int od, u8 *data, u8 index, u8 count); |
| #else |
| static inline int try_test_sas_gpio_gp_bit(unsigned int od, u8 *data, u8 index, u8 count) |
| { |
| return -1; |
| } |
| #endif |
| |
| /* ---------- Tasks ---------- */ |
| /* |
| service_response | SAS_TASK_COMPLETE | SAS_TASK_UNDELIVERED | |
| exec_status | | | |
| ---------------------+---------------------+-----------------------+ |
| SAM_... | X | | |
| DEV_NO_RESPONSE | X | X | |
| INTERRUPTED | X | | |
| QUEUE_FULL | | X | |
| DEVICE_UNKNOWN | | X | |
| SG_ERR | | X | |
| ---------------------+---------------------+-----------------------+ |
| */ |
| |
| enum service_response { |
| SAS_TASK_COMPLETE, |
| SAS_TASK_UNDELIVERED = -1, |
| }; |
| |
| enum exec_status { |
| /* |
| * Values 0..0x7f are used to return the SAM_STAT_* codes. To avoid |
| * 'case value not in enumerated type' compiler warnings every value |
| * returned through the exec_status enum needs an alias with the SAS_ |
| * prefix here. |
| */ |
| SAS_SAM_STAT_GOOD = SAM_STAT_GOOD, |
| SAS_SAM_STAT_BUSY = SAM_STAT_BUSY, |
| SAS_SAM_STAT_TASK_ABORTED = SAM_STAT_TASK_ABORTED, |
| SAS_SAM_STAT_CHECK_CONDITION = SAM_STAT_CHECK_CONDITION, |
| |
| SAS_DEV_NO_RESPONSE = 0x80, |
| SAS_DATA_UNDERRUN, |
| SAS_DATA_OVERRUN, |
| SAS_INTERRUPTED, |
| SAS_QUEUE_FULL, |
| SAS_DEVICE_UNKNOWN, |
| SAS_OPEN_REJECT, |
| SAS_OPEN_TO, |
| SAS_PROTO_RESPONSE, |
| SAS_PHY_DOWN, |
| SAS_NAK_R_ERR, |
| SAS_PENDING, |
| SAS_ABORTED_TASK, |
| }; |
| |
| /* When a task finishes with a response, the LLDD examines the |
| * response: |
| * - For an ATA task task_status_struct::stat is set to |
| * SAS_PROTO_RESPONSE, and the task_status_struct::buf is set to the |
| * contents of struct ata_task_resp. |
| * - For SSP tasks, if no data is present or status/TMF response |
| * is valid, task_status_struct::stat is set. If data is present |
| * (SENSE data), the LLDD copies up to SAS_STATUS_BUF_SIZE, sets |
| * task_status_struct::buf_valid_size, and task_status_struct::stat is |
| * set to SAM_CHECK_COND. |
| * |
| * "buf" has format SCSI Sense for SSP task, or struct ata_task_resp |
| * for ATA task. |
| * |
| * "frame_len" is the total frame length, which could be more or less |
| * than actually copied. |
| * |
| * Tasks ending with response, always set the residual field. |
| */ |
| struct ata_task_resp { |
| u16 frame_len; |
| u8 ending_fis[ATA_RESP_FIS_SIZE]; /* dev to host or data-in */ |
| }; |
| |
| #define SAS_STATUS_BUF_SIZE 96 |
| |
| struct task_status_struct { |
| enum service_response resp; |
| enum exec_status stat; |
| int buf_valid_size; |
| |
| u8 buf[SAS_STATUS_BUF_SIZE]; |
| |
| u32 residual; |
| enum sas_open_rej_reason open_rej_reason; |
| }; |
| |
| /* ATA and ATAPI task queuable to a SAS LLDD. |
| */ |
| struct sas_ata_task { |
| struct host_to_dev_fis fis; |
| u8 atapi_packet[16]; /* 0 if not ATAPI task */ |
| |
| u8 retry_count; /* hardware retry, should be > 0 */ |
| |
| u8 dma_xfer:1; /* PIO:0 or DMA:1 */ |
| u8 use_ncq:1; |
| u8 set_affil_pol:1; |
| u8 stp_affil_pol:1; |
| |
| u8 device_control_reg_update:1; |
| |
| bool force_phy; |
| int force_phy_id; |
| }; |
| |
| /* LLDDs rely on these values */ |
| enum sas_internal_abort { |
| SAS_INTERNAL_ABORT_SINGLE = 0, |
| SAS_INTERNAL_ABORT_DEV = 1, |
| }; |
| |
| struct sas_internal_abort_task { |
| enum sas_internal_abort type; |
| unsigned int qid; |
| u16 tag; |
| }; |
| |
| struct sas_smp_task { |
| struct scatterlist smp_req; |
| struct scatterlist smp_resp; |
| }; |
| |
| enum task_attribute { |
| TASK_ATTR_SIMPLE = 0, |
| TASK_ATTR_HOQ = 1, |
| TASK_ATTR_ORDERED= 2, |
| TASK_ATTR_ACA = 4, |
| }; |
| |
| struct sas_ssp_task { |
| u8 retry_count; /* hardware retry, should be > 0 */ |
| |
| u8 LUN[8]; |
| u8 enable_first_burst:1; |
| enum task_attribute task_attr; |
| u8 task_prio; |
| struct scsi_cmnd *cmd; |
| }; |
| |
| struct sas_tmf_task { |
| u8 tmf; |
| u16 tag_of_task_to_be_managed; |
| }; |
| |
| struct sas_task { |
| struct domain_device *dev; |
| |
| spinlock_t task_state_lock; |
| unsigned task_state_flags; |
| |
| enum sas_protocol task_proto; |
| |
| union { |
| struct sas_ata_task ata_task; |
| struct sas_smp_task smp_task; |
| struct sas_ssp_task ssp_task; |
| struct sas_internal_abort_task abort_task; |
| }; |
| |
| struct scatterlist *scatter; |
| int num_scatter; |
| u32 total_xfer_len; |
| u8 data_dir:2; /* Use PCI_DMA_... */ |
| |
| struct task_status_struct task_status; |
| void (*task_done)(struct sas_task *); |
| |
| void *lldd_task; /* for use by LLDDs */ |
| void *uldd_task; |
| struct sas_task_slow *slow_task; |
| struct sas_tmf_task *tmf; |
| }; |
| |
| struct sas_task_slow { |
| /* standard/extra infrastructure for slow path commands (SMP and |
| * internal lldd commands |
| */ |
| struct timer_list timer; |
| struct completion completion; |
| struct sas_task *task; |
| }; |
| |
| #define SAS_TASK_STATE_PENDING 1 |
| #define SAS_TASK_STATE_DONE 2 |
| #define SAS_TASK_STATE_ABORTED 4 |
| #define SAS_TASK_NEED_DEV_RESET 8 |
| |
| static inline bool sas_is_internal_abort(struct sas_task *task) |
| { |
| return task->task_proto == SAS_PROTOCOL_INTERNAL_ABORT; |
| } |
| |
| static inline struct request *sas_task_find_rq(struct sas_task *task) |
| { |
| struct scsi_cmnd *scmd; |
| |
| if (task->task_proto & SAS_PROTOCOL_STP_ALL) { |
| struct ata_queued_cmd *qc = task->uldd_task; |
| |
| scmd = qc ? qc->scsicmd : NULL; |
| } else { |
| scmd = task->uldd_task; |
| } |
| |
| if (!scmd) |
| return NULL; |
| |
| return scsi_cmd_to_rq(scmd); |
| } |
| |
| struct sas_domain_function_template { |
| /* The class calls these to notify the LLDD of an event. */ |
| void (*lldd_port_formed)(struct asd_sas_phy *); |
| void (*lldd_port_deformed)(struct asd_sas_phy *); |
| |
| /* The class calls these when a device is found or gone. */ |
| int (*lldd_dev_found)(struct domain_device *); |
| void (*lldd_dev_gone)(struct domain_device *); |
| |
| int (*lldd_execute_task)(struct sas_task *, gfp_t gfp_flags); |
| |
| /* Task Management Functions. Must be called from process context. */ |
| int (*lldd_abort_task)(struct sas_task *); |
| int (*lldd_abort_task_set)(struct domain_device *, u8 *lun); |
| int (*lldd_clear_task_set)(struct domain_device *, u8 *lun); |
| int (*lldd_I_T_nexus_reset)(struct domain_device *); |
| int (*lldd_ata_check_ready)(struct domain_device *); |
| void (*lldd_ata_set_dmamode)(struct domain_device *); |
| int (*lldd_lu_reset)(struct domain_device *, u8 *lun); |
| int (*lldd_query_task)(struct sas_task *); |
| |
| /* Special TMF callbacks */ |
| void (*lldd_tmf_exec_complete)(struct domain_device *dev); |
| void (*lldd_tmf_aborted)(struct sas_task *task); |
| bool (*lldd_abort_timeout)(struct sas_task *task, void *data); |
| |
| /* Port and Adapter management */ |
| int (*lldd_clear_nexus_port)(struct asd_sas_port *); |
| int (*lldd_clear_nexus_ha)(struct sas_ha_struct *); |
| |
| /* Phy management */ |
| int (*lldd_control_phy)(struct asd_sas_phy *, enum phy_func, void *); |
| |
| /* GPIO support */ |
| int (*lldd_write_gpio)(struct sas_ha_struct *, u8 reg_type, |
| u8 reg_index, u8 reg_count, u8 *write_data); |
| }; |
| |
| extern int sas_register_ha(struct sas_ha_struct *); |
| extern int sas_unregister_ha(struct sas_ha_struct *); |
| extern void sas_prep_resume_ha(struct sas_ha_struct *sas_ha); |
| extern void sas_resume_ha(struct sas_ha_struct *sas_ha); |
| extern void sas_resume_ha_no_sync(struct sas_ha_struct *sas_ha); |
| extern void sas_suspend_ha(struct sas_ha_struct *sas_ha); |
| |
| int sas_set_phy_speed(struct sas_phy *phy, struct sas_phy_linkrates *rates); |
| int sas_phy_reset(struct sas_phy *phy, int hard_reset); |
| int sas_phy_enable(struct sas_phy *phy, int enable); |
| extern int sas_queuecommand(struct Scsi_Host *, struct scsi_cmnd *); |
| extern int sas_target_alloc(struct scsi_target *); |
| extern int sas_slave_configure(struct scsi_device *); |
| extern int sas_change_queue_depth(struct scsi_device *, int new_depth); |
| extern int sas_bios_param(struct scsi_device *, struct block_device *, |
| sector_t capacity, int *hsc); |
| int sas_execute_internal_abort_single(struct domain_device *device, |
| u16 tag, unsigned int qid, |
| void *data); |
| int sas_execute_internal_abort_dev(struct domain_device *device, |
| unsigned int qid, void *data); |
| extern struct scsi_transport_template * |
| sas_domain_attach_transport(struct sas_domain_function_template *); |
| extern struct device_attribute dev_attr_phy_event_threshold; |
| |
| int sas_discover_root_expander(struct domain_device *); |
| |
| void sas_init_ex_attr(void); |
| |
| int sas_ex_revalidate_domain(struct domain_device *); |
| |
| void sas_unregister_domain_devices(struct asd_sas_port *port, int gone); |
| void sas_init_disc(struct sas_discovery *disc, struct asd_sas_port *); |
| void sas_discover_event(struct asd_sas_port *, enum discover_event ev); |
| |
| int sas_discover_sata(struct domain_device *); |
| int sas_discover_end_dev(struct domain_device *); |
| |
| void sas_unregister_dev(struct asd_sas_port *port, struct domain_device *); |
| |
| void sas_init_dev(struct domain_device *); |
| |
| void sas_task_abort(struct sas_task *); |
| int sas_eh_abort_handler(struct scsi_cmnd *cmd); |
| int sas_eh_device_reset_handler(struct scsi_cmnd *cmd); |
| int sas_eh_target_reset_handler(struct scsi_cmnd *cmd); |
| |
| extern void sas_target_destroy(struct scsi_target *); |
| extern int sas_slave_alloc(struct scsi_device *); |
| extern int sas_ioctl(struct scsi_device *sdev, unsigned int cmd, |
| void __user *arg); |
| extern int sas_drain_work(struct sas_ha_struct *ha); |
| |
| extern void sas_ssp_task_response(struct device *dev, struct sas_task *task, |
| struct ssp_response_iu *iu); |
| struct sas_phy *sas_get_local_phy(struct domain_device *dev); |
| |
| int sas_request_addr(struct Scsi_Host *shost, u8 *addr); |
| |
| int sas_abort_task_set(struct domain_device *dev, u8 *lun); |
| int sas_clear_task_set(struct domain_device *dev, u8 *lun); |
| int sas_lu_reset(struct domain_device *dev, u8 *lun); |
| int sas_query_task(struct sas_task *task, u16 tag); |
| int sas_abort_task(struct sas_task *task, u16 tag); |
| int sas_find_attached_phy_id(struct expander_device *ex_dev, |
| struct domain_device *dev); |
| |
| void sas_notify_port_event(struct asd_sas_phy *phy, enum port_event event, |
| gfp_t gfp_flags); |
| void sas_notify_phy_event(struct asd_sas_phy *phy, enum phy_event event, |
| gfp_t gfp_flags); |
| |
| #endif /* _SASLIB_H_ */ |