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/version.h> 15 #include <linux/pci.h> 16 #include <linux/delay.h> 17 #include <scsi/scsi_transport.h> 18 #include <scsi/scsi_transport_iscsi.h> 19 #include <linux/fs.h> 20 21 #define __PREVENT_QED_HSI__ 22 #include <linux/qed/common_hsi.h> 23 #include <linux/qed/qed_if.h> 24 25 extern uint qedi_dbg_log; 26 27 /* Debug print level definitions */ 28 #define QEDI_LOG_DEFAULT 0x1 /* Set default logging mask */ 29 #define QEDI_LOG_INFO 0x2 /* Informational logs, 30 * MAC address, WWPN, WWNN 31 */ 32 #define QEDI_LOG_DISC 0x4 /* Init, discovery, rport */ 33 #define QEDI_LOG_LL2 0x8 /* LL2, VLAN logs */ 34 #define QEDI_LOG_CONN 0x10 /* Connection setup, cleanup */ 35 #define QEDI_LOG_EVT 0x20 /* Events, link, mtu */ 36 #define QEDI_LOG_TIMER 0x40 /* Timer events */ 37 #define QEDI_LOG_MP_REQ 0x80 /* Middle Path (MP) logs */ 38 #define QEDI_LOG_SCSI_TM 0x100 /* SCSI Aborts, Task Mgmt */ 39 #define QEDI_LOG_UNSOL 0x200 /* unsolicited event logs */ 40 #define QEDI_LOG_IO 0x400 /* scsi cmd, completion */ 41 #define QEDI_LOG_MQ 0x800 /* Multi Queue logs */ 42 #define QEDI_LOG_BSG 0x1000 /* BSG logs */ 43 #define QEDI_LOG_DEBUGFS 0x2000 /* debugFS logs */ 44 #define QEDI_LOG_LPORT 0x4000 /* lport logs */ 45 #define QEDI_LOG_ELS 0x8000 /* ELS logs */ 46 #define QEDI_LOG_NPIV 0x10000 /* NPIV logs */ 47 #define QEDI_LOG_SESS 0x20000 /* Connection setup, cleanup */ 48 #define QEDI_LOG_UIO 0x40000 /* iSCSI UIO logs */ 49 #define QEDI_LOG_TID 0x80000 /* FW TID context acquire, 50 * free 51 */ 52 #define QEDI_TRACK_TID 0x100000 /* Track TID state. To be 53 * enabled only at module load 54 * and not run-time. 55 */ 56 #define QEDI_TRACK_CMD_LIST 0x300000 /* Track active cmd list nodes, 57 * done with reference to TID, 58 * hence TRACK_TID also enabled. 59 */ 60 #define QEDI_LOG_NOTICE 0x40000000 /* Notice logs */ 61 #define QEDI_LOG_WARN 0x80000000 /* Warning logs */ 62 63 /* Debug context structure */ 64 struct qedi_dbg_ctx { 65 unsigned int host_no; 66 struct pci_dev *pdev; 67 #ifdef CONFIG_DEBUG_FS 68 struct dentry *bdf_dentry; 69 #endif 70 }; 71 72 #define QEDI_ERR(pdev, fmt, ...) \ 73 qedi_dbg_err(pdev, __func__, __LINE__, fmt, ## __VA_ARGS__) 74 #define QEDI_WARN(pdev, fmt, ...) \ 75 qedi_dbg_warn(pdev, __func__, __LINE__, fmt, ## __VA_ARGS__) 76 #define QEDI_NOTICE(pdev, fmt, ...) \ 77 qedi_dbg_notice(pdev, __func__, __LINE__, fmt, ## __VA_ARGS__) 78 #define QEDI_INFO(pdev, level, fmt, ...) \ 79 qedi_dbg_info(pdev, __func__, __LINE__, level, fmt, \ 80 ## __VA_ARGS__) 81 82 void qedi_dbg_err(struct qedi_dbg_ctx *qedi, const char *func, u32 line, 83 const char *fmt, ...); 84 void qedi_dbg_warn(struct qedi_dbg_ctx *qedi, const char *func, u32 line, 85 const char *fmt, ...); 86 void qedi_dbg_notice(struct qedi_dbg_ctx *qedi, const char *func, u32 line, 87 const char *fmt, ...); 88 void qedi_dbg_info(struct qedi_dbg_ctx *qedi, const char *func, u32 line, 89 u32 info, const char *fmt, ...); 90 91 struct Scsi_Host; 92 93 struct sysfs_bin_attrs { 94 char *name; 95 struct bin_attribute *attr; 96 }; 97 98 int qedi_create_sysfs_attr(struct Scsi_Host *shost, 99 struct sysfs_bin_attrs *iter); 100 void qedi_remove_sysfs_attr(struct Scsi_Host *shost, 101 struct sysfs_bin_attrs *iter); 102 103 /* DebugFS related code */ 104 struct qedi_list_of_funcs { 105 char *oper_str; 106 ssize_t (*oper_func)(struct qedi_dbg_ctx *qedi); 107 }; 108 109 struct qedi_debugfs_ops { 110 char *name; 111 struct qedi_list_of_funcs *qedi_funcs; 112 }; 113 114 #define qedi_dbg_fileops(drv, ops) \ 115 { \ 116 .owner = THIS_MODULE, \ 117 .open = simple_open, \ 118 .read = drv##_dbg_##ops##_cmd_read, \ 119 .write = drv##_dbg_##ops##_cmd_write \ 120 } 121 122 /* Used for debugfs sequential files */ 123 #define qedi_dbg_fileops_seq(drv, ops) \ 124 { \ 125 .owner = THIS_MODULE, \ 126 .open = drv##_dbg_##ops##_open, \ 127 .read = seq_read, \ 128 .llseek = seq_lseek, \ 129 .release = single_release, \ 130 } 131 132 void qedi_dbg_host_init(struct qedi_dbg_ctx *qedi, 133 const struct qedi_debugfs_ops *dops, 134 const struct file_operations *fops); 135 void qedi_dbg_host_exit(struct qedi_dbg_ctx *qedi); 136 void qedi_dbg_init(char *drv_name); 137 void qedi_dbg_exit(void); 138 139 #endif /* _QEDI_DBG_H_ */ 140