diff options
-rw-r--r-- | drivers/scsi/qla2xxx/qla_dbg.c | 278 | ||||
-rw-r--r-- | drivers/scsi/qla2xxx/qla_dbg.h | 47 | ||||
-rw-r--r-- | drivers/scsi/qla2xxx/qla_gbl.h | 3 | ||||
-rw-r--r-- | drivers/scsi/qla2xxx/qla_init.c | 7 | ||||
-rw-r--r-- | drivers/scsi/qla2xxx/qla_os.c | 17 |
5 files changed, 349 insertions, 3 deletions
diff --git a/drivers/scsi/qla2xxx/qla_dbg.c b/drivers/scsi/qla2xxx/qla_dbg.c index c53719a9a747..dba9eedc3ded 100644 --- a/drivers/scsi/qla2xxx/qla_dbg.c +++ b/drivers/scsi/qla2xxx/qla_dbg.c @@ -4,10 +4,36 @@ * * See LICENSE.qla2xxx for copyright and licensing details. */ + +/* + * Table for showing the current message id in use for particular level + * Change this table for addition of log/debug messages. + * ----------------------------------------------------- + * | Level | Last Value Used | + * ----------------------------------------------------- + * | Module Init and Probe | 0x0109 | + * | Mailbox commands | 0x1120 | + * | Device Discovery | 0x207d | + * | Queue Command and IO tracing | 0x304f | + * | DPC Thread | 0x401c | + * | Async Events | 0x5058 | + * | Timer Routines | 0x600d | + * | User Space Interactions | 0x70a1 | + * | Task Management | 0x8032 | + * | AER/EEH | 0x9010 | + * | Virtual Port | 0xa007 | + * | ISP82XX Specific | 0xb028 | + * | MultiQ | 0xc00b | + * | Misc | 0xd00b | + * ----------------------------------------------------- + */ + #include "qla_def.h" #include <linux/delay.h> +static uint32_t ql_dbg_offset = 0x800; + static inline void qla2xxx_prep_dump(struct qla_hw_data *ha, struct qla2xxx_fw_dump *fw_dump) { @@ -1722,3 +1748,255 @@ qla2x00_dump_buffer_zipped(uint8_t *b, uint32_t size) printk(KERN_DEBUG "\n"); } } +/* + * This function is for formatting and logging debug information. + * It is to be used when vha is available. It formats the message + * and logs it to the messages file. + * parameters: + * level: The level of the debug messages to be printed. + * If ql2xextended_error_logging value is correctly set, + * this message will appear in the messages file. + * vha: Pointer to the scsi_qla_host_t. + * id: This is a unique identifier for the level. It identifies the + * part of the code from where the message originated. + * msg: The message to be displayed. + */ +void +ql_dbg(uint32_t level, scsi_qla_host_t *vha, int32_t id, char *msg, ...) { + + char pbuf[QL_DBG_BUF_LEN]; + va_list ap; + uint32_t len; + struct pci_dev *pdev = NULL; + + memset(pbuf, 0, QL_DBG_BUF_LEN); + + va_start(ap, msg); + + if ((level & ql2xextended_error_logging) == level) { + if (vha != NULL) { + pdev = vha->hw->pdev; + /* <module-name> <pci-name> <msg-id>:<host> Message */ + sprintf(pbuf, "%s [%s]-%04x:%ld: ", QL_MSGHDR, + dev_name(&(pdev->dev)), id + ql_dbg_offset, + vha->host_no); + } else + sprintf(pbuf, "%s [%s]-%04x: : ", QL_MSGHDR, + "0000:00:00.0", id + ql_dbg_offset); + + len = strlen(pbuf); + vsprintf(pbuf+len, msg, ap); + pr_warning("%s", pbuf); + } + + va_end(ap); + +} + +/* + * This function is for formatting and logging debug information. + * It is to be used when vha is not available and pci is availble, + * i.e., before host allocation. It formats the message and logs it + * to the messages file. + * parameters: + * level: The level of the debug messages to be printed. + * If ql2xextended_error_logging value is correctly set, + * this message will appear in the messages file. + * pdev: Pointer to the struct pci_dev. + * id: This is a unique id for the level. It identifies the part + * of the code from where the message originated. + * msg: The message to be displayed. + */ +void +ql_dbg_pci(uint32_t level, struct pci_dev *pdev, int32_t id, char *msg, ...) { + + char pbuf[QL_DBG_BUF_LEN]; + va_list ap; + uint32_t len; + + if (pdev == NULL) + return; + + memset(pbuf, 0, QL_DBG_BUF_LEN); + + va_start(ap, msg); + + if ((level & ql2xextended_error_logging) == level) { + /* <module-name> <dev-name>:<msg-id> Message */ + sprintf(pbuf, "%s [%s]-%04x: : ", QL_MSGHDR, + dev_name(&(pdev->dev)), id + ql_dbg_offset); + + len = strlen(pbuf); + vsprintf(pbuf+len, msg, ap); + pr_warning("%s", pbuf); + } + + va_end(ap); + +} + +/* + * This function is for formatting and logging log messages. + * It is to be used when vha is available. It formats the message + * and logs it to the messages file. All the messages will be logged + * irrespective of value of ql2xextended_error_logging. + * parameters: + * level: The level of the log messages to be printed in the + * messages file. + * vha: Pointer to the scsi_qla_host_t + * id: This is a unique id for the level. It identifies the + * part of the code from where the message originated. + * msg: The message to be displayed. + */ +void +ql_log(uint32_t level, scsi_qla_host_t *vha, int32_t id, char *msg, ...) { + + char pbuf[QL_DBG_BUF_LEN]; + va_list ap; + uint32_t len; + struct pci_dev *pdev = NULL; + + memset(pbuf, 0, QL_DBG_BUF_LEN); + + va_start(ap, msg); + + if (level <= ql_errlev) { + if (vha != NULL) { + pdev = vha->hw->pdev; + /* <module-name> <msg-id>:<host> Message */ + sprintf(pbuf, "%s [%s]-%04x:%ld: ", QL_MSGHDR, + dev_name(&(pdev->dev)), id, vha->host_no); + } else + sprintf(pbuf, "%s [%s]-%04x: : ", QL_MSGHDR, + "0000:00:00.0", id); + + len = strlen(pbuf); + vsprintf(pbuf+len, msg, ap); + + switch (level) { + case 0: /* FATAL LOG */ + pr_crit("%s", pbuf); + break; + case 1: + pr_err("%s", pbuf); + break; + case 2: + pr_warn("%s", pbuf); + break; + default: + pr_info("%s", pbuf); + break; + } + } + + va_end(ap); +} + +/* + * This function is for formatting and logging log messages. + * It is to be used when vha is not available and pci is availble, + * i.e., before host allocation. It formats the message and logs + * it to the messages file. All the messages are logged irrespective + * of the value of ql2xextended_error_logging. + * parameters: + * level: The level of the log messages to be printed in the + * messages file. + * pdev: Pointer to the struct pci_dev. + * id: This is a unique id for the level. It identifies the + * part of the code from where the message originated. + * msg: The message to be displayed. + */ +void +ql_log_pci(uint32_t level, struct pci_dev *pdev, int32_t id, char *msg, ...) { + + char pbuf[QL_DBG_BUF_LEN]; + va_list ap; + uint32_t len; + + if (pdev == NULL) + return; + + memset(pbuf, 0, QL_DBG_BUF_LEN); + + va_start(ap, msg); + + if (level <= ql_errlev) { + /* <module-name> <dev-name>:<msg-id> Message */ + sprintf(pbuf, "%s [%s]-%04x: : ", QL_MSGHDR, + dev_name(&(pdev->dev)), id); + + len = strlen(pbuf); + vsprintf(pbuf+len, msg, ap); + switch (level) { + case 0: /* FATAL LOG */ + pr_crit("%s", pbuf); + break; + case 1: + pr_err("%s", pbuf); + break; + case 2: + pr_warn("%s", pbuf); + break; + default: + pr_info("%s", pbuf); + break; + } + } + + va_end(ap); +} + +void +ql_dump_regs(uint32_t level, scsi_qla_host_t *vha, int32_t id) +{ + int i; + struct qla_hw_data *ha = vha->hw; + struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; + struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24; + struct device_reg_82xx __iomem *reg82 = &ha->iobase->isp82; + uint16_t __iomem *mbx_reg; + + if ((level & ql2xextended_error_logging) == level) { + + if (IS_QLA82XX(ha)) + mbx_reg = ®82->mailbox_in[0]; + else if (IS_FWI2_CAPABLE(ha)) + mbx_reg = ®24->mailbox0; + else + mbx_reg = MAILBOX_REG(ha, reg, 0); + + ql_dbg(level, vha, id, "Mailbox registers:\n"); + for (i = 0; i < 6; i++) + ql_dbg(level, vha, id, + "mbox[%d] 0x%04x\n", i, RD_REG_WORD(mbx_reg++)); + } +} + + +void +ql_dump_buffer(uint32_t level, scsi_qla_host_t *vha, int32_t id, + uint8_t *b, uint32_t size) +{ + uint32_t cnt; + uint8_t c; + if ((level & ql2xextended_error_logging) == level) { + + ql_dbg(level, vha, id, " 0 1 2 3 4 5 6 7 8 " + "9 Ah Bh Ch Dh Eh Fh\n"); + ql_dbg(level, vha, id, "----------------------------------" + "----------------------------\n"); + + ql_dbg(level, vha, id, ""); + for (cnt = 0; cnt < size;) { + c = *b++; + printk("%02x", (uint32_t) c); + cnt++; + if (!(cnt % 16)) + printk("\n"); + else + printk(" "); + } + if (cnt % 16) + ql_dbg(level, vha, id, "\n"); + } +} diff --git a/drivers/scsi/qla2xxx/qla_dbg.h b/drivers/scsi/qla2xxx/qla_dbg.h index 930414541ec6..f955094fd5d8 100644 --- a/drivers/scsi/qla2xxx/qla_dbg.h +++ b/drivers/scsi/qla2xxx/qla_dbg.h @@ -370,3 +370,50 @@ struct qla2xxx_fw_dump { struct qla81xx_fw_dump isp81; } isp; }; + +#define QL_MSGHDR "qla2xxx" + +#define ql_log_fatal 0 /* display fatal errors */ +#define ql_log_warn 1 /* display critical errors */ +#define ql_log_info 2 /* display all recovered errors */ +#define ql_log_all 3 /* This value is only used by ql_errlev. + * No messages will use this value. + * This should be always highest value + * as compared to other log levels. + */ + +extern int ql_errlev; + +void +ql_dbg(uint32_t, scsi_qla_host_t *vha, int32_t, char *, ...); +void +ql_dbg_pci(uint32_t, struct pci_dev *pdev, int32_t, char *, ...); + +void +ql_log(uint32_t, scsi_qla_host_t *vha, int32_t, char *, ...); +void +ql_log_pci(uint32_t, struct pci_dev *pdev, int32_t, char *, ...); + +/* Debug Levels */ +/* The 0x40000000 is the max value any debug level can have + * as ql2xextended_error_logging is of type signed int + */ +#define ql_dbg_init 0x40000000 /* Init Debug */ +#define ql_dbg_mbx 0x20000000 /* MBX Debug */ +#define ql_dbg_disc 0x10000000 /* Device Discovery Debug */ +#define ql_dbg_io 0x08000000 /* IO Tracing Debug */ +#define ql_dbg_dpc 0x04000000 /* DPC Thead Debug */ +#define ql_dbg_async 0x02000000 /* Async events Debug */ +#define ql_dbg_timer 0x01000000 /* Timer Debug */ +#define ql_dbg_user 0x00800000 /* User Space Interations Debug */ +#define ql_dbg_taskm 0x00400000 /* Task Management Debug */ +#define ql_dbg_aer 0x00200000 /* AER/EEH Debug */ +#define ql_dbg_multiq 0x00100000 /* MultiQ Debug */ +#define ql_dbg_p3p 0x00080000 /* P3P specific Debug */ +#define ql_dbg_vport 0x00040000 /* Virtual Port Debug */ +#define ql_dbg_buffer 0x00020000 /* For dumping the buffer/regs */ +#define ql_dbg_misc 0x00010000 /* For dumping everything that is not + * not covered by upper categories + */ + +#define QL_DBG_BUF_LEN 512 diff --git a/drivers/scsi/qla2xxx/qla_gbl.h b/drivers/scsi/qla2xxx/qla_gbl.h index 0b381224ae4b..38aef5d0515f 100644 --- a/drivers/scsi/qla2xxx/qla_gbl.h +++ b/drivers/scsi/qla2xxx/qla_gbl.h @@ -439,6 +439,9 @@ extern void qla81xx_fw_dump(scsi_qla_host_t *, int); extern void qla2x00_dump_regs(scsi_qla_host_t *); extern void qla2x00_dump_buffer(uint8_t *, uint32_t); extern void qla2x00_dump_buffer_zipped(uint8_t *, uint32_t); +extern void ql_dump_regs(uint32_t, scsi_qla_host_t *, int32_t); +extern void ql_dump_buffer(uint32_t, scsi_qla_host_t *, int32_t, + uint8_t *, uint32_t); /* * Global Function Prototypes in qla_gs.c source file. diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c index 920b76bfbb93..3d0384506929 100644 --- a/drivers/scsi/qla2xxx/qla_init.c +++ b/drivers/scsi/qla2xxx/qla_init.c @@ -2382,8 +2382,13 @@ qla2x00_nvram_config(scsi_qla_host_t *vha) /* * Set host adapter parameters. */ + + /* + * BIT_7 in the host-parameters section allows for modification to + * internal driver logging. + */ if (nv->host_p[0] & BIT_7) - ql2xextended_error_logging = 1; + ql2xextended_error_logging = 0x7fffffff; ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0); /* Always load RISC code on non ISP2[12]00 chips. */ if (!IS_QLA2100(ha) && !IS_QLA2200(ha)) diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c index f461925a9dfc..8aa05c87b653 100644 --- a/drivers/scsi/qla2xxx/qla_os.c +++ b/drivers/scsi/qla2xxx/qla_os.c @@ -35,6 +35,10 @@ static struct kmem_cache *srb_cachep; * CT6 CTX allocation cache */ static struct kmem_cache *ctx_cachep; +/* + * error level for logging + */ +int ql_errlev = ql_log_all; int ql2xlogintimeout = 20; module_param(ql2xlogintimeout, int, S_IRUGO); @@ -69,8 +73,17 @@ MODULE_PARM_DESC(ql2xallocfwdump, int ql2xextended_error_logging; module_param(ql2xextended_error_logging, int, S_IRUGO|S_IWUSR); MODULE_PARM_DESC(ql2xextended_error_logging, - "Option to enable extended error logging, " - "Default is 0 - no logging. 1 - log errors."); + "Option to enable extended error logging,\n" + "\t\tDefault is 0 - no logging. 0x40000000 - Module Init & Probe.\n" + "\t\t0x20000000 - Mailbox Cmnds. 0x10000000 - Device Discovery.\n" + "\t\t0x08000000 - IO tracing. 0x04000000 - DPC Thread.\n" + "\t\t0x02000000 - Async events. 0x01000000 - Timer routines.\n" + "\t\t0x00800000 - User space. 0x00400000 - Task Management.\n" + "\t\t0x00200000 - AER/EEH. 0x00100000 - Multi Q.\n" + "\t\t0x00080000 - P3P Specific. 0x00040000 - Virtual Port.\n" + "\t\t0x00020000 - Buffer Dump. 0x00010000 - Misc.\n" + "\t\t0x7fffffff - For enabling all logs, can be too many logs.\n" + "\t\tDo LOGICAL OR of the value to enable more than one level"); int ql2xshiftctondsd = 6; module_param(ql2xshiftctondsd, int, S_IRUGO); |