1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /* 3 * QLogic iSCSI Offload Driver 4 * Copyright (c) 2016 Cavium Inc. 5 */ 6 7 #ifndef _QEDI_DBG_H_ 8 #define _QEDI_DBG_H_ 9 10 #include <linux/types.h> 11 #include <linux/kernel.h> 12 #include <linux/compiler.h> 13 #include <linux/string.h> 14 #include <linux/pci.h> 15 #include <linux/delay.h> 16 #include <scsi/scsi_transport.h> 17 #include <scsi/scsi_transport_iscsi.h> 18 #include <linux/fs.h> 19 20 #define __PREVENT_QED_HSI__ 21 #include <linux/qed/common_hsi.h> 22 #include <linux/qed/qed_if.h> 23 24 extern uint qedi_dbg_log; 25 26 /* Debug print level definitions */ 27 #define QEDI_LOG_DEFAULT 0x1 /* Set default logging mask */ 28 #define QEDI_LOG_INFO 0x2 /* Informational logs, 29 * MAC address, WWPN, WWNN 30 */ 31 #define QEDI_LOG_DISC 0x4 /* Init, discovery, rport */ 32 #define QEDI_LOG_LL2 0x8 /* LL2, VLAN logs */ 33 #define QEDI_LOG_CONN 0x10 /* Connection setup, cleanup */ 34 #define QEDI_LOG_EVT 0x20 /* Events, link, mtu */ 35 #define QEDI_LOG_TIMER 0x40 /* Timer events */ 36 #define QEDI_LOG_MP_REQ 0x80 /* Middle Path (MP) logs */ 37 #define QEDI_LOG_SCSI_TM 0x100 /* SCSI Aborts, Task Mgmt */ 38 #define QEDI_LOG_UNSOL 0x200 /* unsolicited event logs */ 39 #define QEDI_LOG_IO 0x400 /* scsi cmd, completion */ 40 #define QEDI_LOG_MQ 0x800 /* Multi Queue logs */ 41 #define QEDI_LOG_BSG 0x1000 /* BSG logs */ 42 #define QEDI_LOG_DEBUGFS 0x2000 /* debugFS logs */ 43 #define QEDI_LOG_LPORT 0x4000 /* lport logs */ 44 #define QEDI_LOG_ELS 0x8000 /* ELS logs */ 45 #define QEDI_LOG_NPIV 0x10000 /* NPIV logs */ 46 #define QEDI_LOG_SESS 0x20000 /* Connection setup, cleanup */ 47 #define QEDI_LOG_UIO 0x40000 /* iSCSI UIO logs */ 48 #define QEDI_LOG_TID 0x80000 /* FW TID context acquire, 49 * free 50 */ 51 #define QEDI_TRACK_TID 0x100000 /* Track TID state. To be 52 * enabled only at module load 53 * and not run-time. 54 */ 55 #define QEDI_TRACK_CMD_LIST 0x300000 /* Track active cmd list nodes, 56 * done with reference to TID, 57 * hence TRACK_TID also enabled. 58 */ 59 #define QEDI_LOG_NOTICE 0x40000000 /* Notice logs */ 60 #define QEDI_LOG_WARN 0x80000000 /* Warning logs */ 61 62 /* Debug context structure */ 63 struct qedi_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 QEDI_ERR(pdev, fmt, ...) \ 72 qedi_dbg_err(pdev, __func__, __LINE__, fmt, ## __VA_ARGS__) 73 #define QEDI_WARN(pdev, fmt, ...) \ 74 qedi_dbg_warn(pdev, __func__, __LINE__, fmt, ## __VA_ARGS__) 75 #define QEDI_NOTICE(pdev, fmt, ...) \ 76 qedi_dbg_notice(pdev, __func__, __LINE__, fmt, ## __VA_ARGS__) 77 #define QEDI_INFO(pdev, level, fmt, ...) \ 78 qedi_dbg_info(pdev, __func__, __LINE__, level, fmt, \ 79 ## __VA_ARGS__) 80 81 void qedi_dbg_err(struct qedi_dbg_ctx *qedi, const char *func, u32 line, 82 const char *fmt, ...); 83 void qedi_dbg_warn(struct qedi_dbg_ctx *qedi, const char *func, u32 line, 84 const char *fmt, ...); 85 void qedi_dbg_notice(struct qedi_dbg_ctx *qedi, const char *func, u32 line, 86 const char *fmt, ...); 87 void qedi_dbg_info(struct qedi_dbg_ctx *qedi, const char *func, u32 line, 88 u32 info, const char *fmt, ...); 89 90 /* DebugFS related code */ 91 struct qedi_list_of_funcs { 92 char *oper_str; 93 ssize_t (*oper_func)(struct qedi_dbg_ctx *qedi); 94 }; 95 96 struct qedi_debugfs_ops { 97 char *name; 98 struct qedi_list_of_funcs *qedi_funcs; 99 }; 100 101 #define qedi_dbg_fileops(drv, ops) \ 102 { \ 103 .owner = THIS_MODULE, \ 104 .open = simple_open, \ 105 .read = drv##_dbg_##ops##_cmd_read, \ 106 .write = drv##_dbg_##ops##_cmd_write \ 107 } 108 109 /* Used for debugfs sequential files */ 110 #define qedi_dbg_fileops_seq(drv, ops) \ 111 { \ 112 .owner = THIS_MODULE, \ 113 .open = drv##_dbg_##ops##_open, \ 114 .read = seq_read, \ 115 .llseek = seq_lseek, \ 116 .release = single_release, \ 117 } 118 119 void qedi_dbg_host_init(struct qedi_dbg_ctx *qedi, 120 const struct qedi_debugfs_ops *dops, 121 const struct file_operations *fops); 122 void qedi_dbg_host_exit(struct qedi_dbg_ctx *qedi); 123 void qedi_dbg_init(char *drv_name); 124 void qedi_dbg_exit(void); 125 126 #endif /* _QEDI_DBG_H_ */ 127