qedf_dbg.h (4863B)
1/* SPDX-License-Identifier: GPL-2.0-only */ 2/* 3 * QLogic FCoE Offload Driver 4 * Copyright (c) 2016-2018 Cavium Inc. 5 */ 6#ifndef _QEDF_DBG_H_ 7#define _QEDF_DBG_H_ 8 9#include <linux/types.h> 10#include <linux/kernel.h> 11#include <linux/compiler.h> 12#include <linux/string.h> 13#include <linux/pci.h> 14#include <linux/delay.h> 15#include <scsi/scsi_transport.h> 16#include <linux/fs.h> 17 18#include <linux/qed/common_hsi.h> 19#include <linux/qed/qed_if.h> 20 21extern uint qedf_debug; 22 23/* Debug print level definitions */ 24#define QEDF_LOG_DEFAULT 0x1 /* Set default logging mask */ 25#define QEDF_LOG_INFO 0x2 /* 26 * Informational logs, 27 * MAC address, WWPN, WWNN 28 */ 29#define QEDF_LOG_DISC 0x4 /* Init, discovery, rport */ 30#define QEDF_LOG_LL2 0x8 /* LL2, VLAN logs */ 31#define QEDF_LOG_CONN 0x10 /* Connection setup, cleanup */ 32#define QEDF_LOG_EVT 0x20 /* Events, link, mtu */ 33#define QEDF_LOG_TIMER 0x40 /* Timer events */ 34#define QEDF_LOG_MP_REQ 0x80 /* Middle Path (MP) logs */ 35#define QEDF_LOG_SCSI_TM 0x100 /* SCSI Aborts, Task Mgmt */ 36#define QEDF_LOG_UNSOL 0x200 /* unsolicited event logs */ 37#define QEDF_LOG_IO 0x400 /* scsi cmd, completion */ 38#define QEDF_LOG_MQ 0x800 /* Multi Queue logs */ 39#define QEDF_LOG_BSG 0x1000 /* BSG logs */ 40#define QEDF_LOG_DEBUGFS 0x2000 /* debugFS logs */ 41#define QEDF_LOG_LPORT 0x4000 /* lport logs */ 42#define QEDF_LOG_ELS 0x8000 /* ELS logs */ 43#define QEDF_LOG_NPIV 0x10000 /* NPIV logs */ 44#define QEDF_LOG_SESS 0x20000 /* Connection setup, cleanup */ 45#define QEDF_LOG_TID 0x80000 /* 46 * FW TID context acquire 47 * free 48 */ 49#define QEDF_TRACK_TID 0x100000 /* 50 * Track TID state. To be 51 * enabled only at module load 52 * and not run-time. 53 */ 54#define QEDF_TRACK_CMD_LIST 0x300000 /* 55 * Track active cmd list nodes, 56 * done with reference to TID, 57 * hence TRACK_TID also enabled. 58 */ 59#define QEDF_LOG_NOTICE 0x40000000 /* Notice logs */ 60#define QEDF_LOG_WARN 0x80000000 /* Warning logs */ 61 62/* Debug context structure */ 63struct qedf_dbg_ctx { 64 unsigned int host_no; 65 struct pci_dev *pdev; 66#ifdef CONFIG_DEBUG_FS 67 struct dentry *bdf_dentry; 68#endif 69}; 70 71#define QEDF_ERR(pdev, fmt, ...) \ 72 qedf_dbg_err(pdev, __func__, __LINE__, fmt, ## __VA_ARGS__) 73#define QEDF_WARN(pdev, fmt, ...) \ 74 qedf_dbg_warn(pdev, __func__, __LINE__, fmt, ## __VA_ARGS__) 75#define QEDF_NOTICE(pdev, fmt, ...) \ 76 qedf_dbg_notice(pdev, __func__, __LINE__, fmt, ## __VA_ARGS__) 77#define QEDF_INFO(pdev, level, fmt, ...) \ 78 qedf_dbg_info(pdev, __func__, __LINE__, level, fmt, \ 79 ## __VA_ARGS__) 80__printf(4, 5) 81void qedf_dbg_err(struct qedf_dbg_ctx *qedf, const char *func, u32 line, 82 const char *fmt, ...); 83__printf(4, 5) 84void qedf_dbg_warn(struct qedf_dbg_ctx *qedf, const char *func, u32 line, 85 const char *, ...); 86__printf(4, 5) 87void qedf_dbg_notice(struct qedf_dbg_ctx *qedf, const char *func, 88 u32 line, const char *, ...); 89__printf(5, 6) 90void qedf_dbg_info(struct qedf_dbg_ctx *qedf, const char *func, u32 line, 91 u32 info, const char *fmt, ...); 92 93/* GRC Dump related defines */ 94 95struct Scsi_Host; 96 97#define QEDF_UEVENT_CODE_GRCDUMP 0 98 99struct sysfs_bin_attrs { 100 char *name; 101 struct bin_attribute *attr; 102}; 103 104extern int qedf_alloc_grc_dump_buf(uint8_t **buf, uint32_t len); 105extern void qedf_free_grc_dump_buf(uint8_t **buf); 106extern int qedf_get_grc_dump(struct qed_dev *cdev, 107 const struct qed_common_ops *common, uint8_t **buf, 108 uint32_t *grcsize); 109extern void qedf_uevent_emit(struct Scsi_Host *shost, u32 code, char *msg); 110extern int qedf_create_sysfs_attr(struct Scsi_Host *shost, 111 struct sysfs_bin_attrs *iter); 112extern void qedf_remove_sysfs_attr(struct Scsi_Host *shost, 113 struct sysfs_bin_attrs *iter); 114 115struct qedf_debugfs_ops { 116 char *name; 117 struct qedf_list_of_funcs *qedf_funcs; 118}; 119 120extern const struct qedf_debugfs_ops qedf_debugfs_ops[]; 121extern const struct file_operations qedf_dbg_fops[]; 122 123#ifdef CONFIG_DEBUG_FS 124/* DebugFS related code */ 125struct qedf_list_of_funcs { 126 char *oper_str; 127 ssize_t (*oper_func)(struct qedf_dbg_ctx *qedf); 128}; 129 130#define qedf_dbg_fileops(drv, ops) \ 131{ \ 132 .owner = THIS_MODULE, \ 133 .open = simple_open, \ 134 .read = drv##_dbg_##ops##_cmd_read, \ 135 .write = drv##_dbg_##ops##_cmd_write \ 136} 137 138/* Used for debugfs sequential files */ 139#define qedf_dbg_fileops_seq(drv, ops) \ 140{ \ 141 .owner = THIS_MODULE, \ 142 .open = drv##_dbg_##ops##_open, \ 143 .read = seq_read, \ 144 .llseek = seq_lseek, \ 145 .release = single_release, \ 146} 147 148extern void qedf_dbg_host_init(struct qedf_dbg_ctx *qedf, 149 const struct qedf_debugfs_ops *dops, 150 const struct file_operations *fops); 151extern void qedf_dbg_host_exit(struct qedf_dbg_ctx *qedf); 152extern void qedf_dbg_init(char *drv_name); 153extern void qedf_dbg_exit(void); 154#endif /* CONFIG_DEBUG_FS */ 155 156#endif /* _QEDF_DBG_H_ */