| /* |
| * Software iWARP device driver for Linux |
| * |
| * Authors: Fredy Neeser <nfd@zurich.ibm.com> |
| * |
| * Copyright (c) 2008-2010, IBM Corporation |
| * |
| * This software is available to you under a choice of one of two |
| * licenses. You may choose to be licensed under the terms of the GNU |
| * General Public License (GPL) Version 2, available from the file |
| * COPYING in the main directory of this source tree, or the |
| * BSD license below: |
| * |
| * Redistribution and use in source and binary forms, with or |
| * without modification, are permitted provided that the following |
| * conditions are met: |
| * |
| * - Redistributions of source code must retain the above copyright notice, |
| * this list of conditions and the following disclaimer. |
| * |
| * - Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * - Neither the name of IBM nor the names of its contributors may be |
| * used to endorse or promote products derived from this software without |
| * specific prior written permission. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS |
| * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN |
| * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
| * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| * SOFTWARE. |
| */ |
| |
| #ifndef _SIW_DEBUG_H |
| #define _SIW_DEBUG_H |
| |
| #include <linux/uaccess.h> |
| #include <linux/hardirq.h> /* in_interrupt() */ |
| |
| /* |
| * dprint: Selective debug printing |
| * |
| * Use an OR combination of DBG_* as dbgcat in dprint*(dbgcat,...) |
| * to assign debug messages to categories: |
| * |
| * dbgcat Debug message belongs to category |
| * ----------------------------------------------------------------------------- |
| * DBG_ON Always on, for really important events or error conditions |
| * DBG_TMP Temporarily on for fine-grained debugging |
| * DBQ_OBJ Object management (object construction/destruction/refcounting) |
| * DBG_MM Memory management |
| * DBG_EH Event handling (completion events and asynchronous events) |
| * DBG_CM Connection management, QP states |
| * DBG_WR Work requests |
| * DBG_TX iWARP TX path |
| * DBG_RX iWARP RX path |
| * DBG_SK Socket operations |
| * DBG_KT Kernel threads |
| * DBG_IRQ Interrupt context (SoftIRQ or HardIRQ) |
| * DBG_DM Device management |
| * DBG_HDR Packet HDRs |
| * DBG_ALL All categories above |
| */ |
| #define DBG_ON 0x00000001 |
| #define DBG_TMP 0x00000002 |
| #define DBG_OBJ 0x00000004 |
| #define DBG_MM 0x00000008 |
| #define DBG_EH 0x00000010 |
| #define DBG_CM 0x00000020 |
| #define DBG_WR 0x00000040 |
| #define DBG_TX 0x00000080 |
| #define DBG_RX 0x00000100 |
| #define DBG_SK 0x00000200 |
| #define DBG_KT 0x00000400 |
| #define DBG_IRQ 0x00000800 |
| #define DBG_DM 0x00001000 |
| #define DBG_HDR 0x00002000 |
| #define DBG_ALL (DBG_IRQ|DBG_KT|DBG_SK|DBG_RX|DBG_TX|DBG_WR|\ |
| DBG_CM|DBG_EH|DBG_MM|DBG_OBJ|DBG_TMP|DBG_DM|DBG_ON|DBG_HDR) |
| #define DBG_ALL_NOHDR (DBG_IRQ|DBG_KT|DBG_SK|DBG_RX|DBG_TX|DBG_WR|\ |
| DBG_CM|DBG_EH|DBG_MM|DBG_OBJ|DBG_TMP|DBG_DM|DBG_ON) |
| #define DBG_CTRL (DBG_ON|DBG_CM|DBG_DM) |
| |
| /* |
| * Set DPRINT_MASK to tailor your debugging needs: |
| * |
| * DPRINT_MASK value Enables debug messages for |
| * --------------------------------------------------------------------- |
| * DBG_ON Important events / error conditions only |
| * (minimum number of debug messages) |
| * OR-ed combination of DBG_* Selective debugging |
| * DBG_KT|DBG_ON Kernel threads |
| * DBG_ALL All categories |
| */ |
| #define DPRINT_MASK 0 |
| |
| extern void siw_print_hdr(union iwarp_hdrs *, int, char *); |
| extern void siw_print_rctx(struct siw_iwarp_rx *); |
| extern void siw_print_qp_attr_mask(enum ib_qp_attr_mask, char *); |
| |
| #if DPRINT_MASK > 0 |
| |
| /** |
| * dprint - Selective debug print for process, SoftIRQ or HardIRQ context |
| * |
| * Debug print with selectable debug categories, |
| * starting with header |
| * - "( pid /cpu) __func__" for process context |
| * - "( irq /cpu) __func__" for IRQ context |
| * |
| * @dbgcat : Set of debug categories (OR-ed combination of DBG_* above), |
| * to which this debug message is assigned. |
| * @fmt : printf compliant format string |
| * @args : printf compliant argument list |
| */ |
| #define dprint(dbgcat, fmt, args...) \ |
| do { \ |
| if ((dbgcat) & DPRINT_MASK) { \ |
| if (!in_interrupt()) \ |
| printk(KERN_INFO "(%5d/%1d) %s" fmt, \ |
| current->pid, \ |
| current_thread_info()->cpu, \ |
| __func__, ## args); \ |
| else \ |
| printk(KERN_INFO "( irq /%1d) %s" fmt, \ |
| current_thread_info()->cpu, \ |
| __func__, ## args); \ |
| } \ |
| } while (0) |
| |
| |
| #define siw_dprint_rctx(r) siw_print_rctx(r) |
| extern char ib_qp_state_to_string[IB_QPS_ERR+1][sizeof "RESET"]; |
| |
| #else |
| #define dprint(dbgcat, fmt, args...) do { } while (0) |
| #define siw_dprint_rctx(r) do { } while (0) |
| #endif |
| |
| |
| #if DPRINT_MASK & DBG_HDR |
| #define siw_dprint_hdr(h, i, m) siw_print_hdr(h, i, m) |
| #else |
| #define siw_dprint_hdr(h, i, m) do { } while (0) |
| #endif |
| |
| #if DPRINT_MASK & DBG_CM |
| #define siw_dprint_qp_attr_mask(mask)\ |
| siw_print_qp_attr_mask(mask, (char *)__func__) |
| #else |
| #define siw_dprint_qp_attr_mask(mask) do { } while (0) |
| #endif |
| |
| #endif |
