diff options
Diffstat (limited to 'drivers/scsi/scsi_trace.c')
| -rw-r--r-- | drivers/scsi/scsi_trace.c | 161 |
1 files changed, 161 insertions, 0 deletions
diff --git a/drivers/scsi/scsi_trace.c b/drivers/scsi/scsi_trace.c index 08bb47b53..0ff083bbf 100644 --- a/drivers/scsi/scsi_trace.c +++ b/drivers/scsi/scsi_trace.c @@ -17,6 +17,7 @@ */ #include <linux/kernel.h> #include <linux/trace_seq.h> +#include <asm/unaligned.h> #include <trace/events/scsi.h> #define SERVICE_ACTION16(cdb) (cdb[1] & 0x1f) @@ -231,6 +232,158 @@ out: } static const char * +scsi_trace_maintenance_in(struct trace_seq *p, unsigned char *cdb, int len) +{ + const char *ret = trace_seq_buffer_ptr(p), *cmd; + u32 alloc_len; + + switch (SERVICE_ACTION16(cdb)) { + case MI_REPORT_IDENTIFYING_INFORMATION: + cmd = "REPORT_IDENTIFYING_INFORMATION"; + break; + case MI_REPORT_TARGET_PGS: + cmd = "REPORT_TARGET_PORT_GROUPS"; + break; + case MI_REPORT_ALIASES: + cmd = "REPORT_ALIASES"; + break; + case MI_REPORT_SUPPORTED_OPERATION_CODES: + cmd = "REPORT_SUPPORTED_OPERATION_CODES"; + break; + case MI_REPORT_SUPPORTED_TASK_MANAGEMENT_FUNCTIONS: + cmd = "REPORT_SUPPORTED_TASK_MANAGEMENT_FUNCTIONS"; + break; + case MI_REPORT_PRIORITY: + cmd = "REPORT_PRIORITY"; + break; + case MI_REPORT_TIMESTAMP: + cmd = "REPORT_TIMESTAMP"; + break; + case MI_MANAGEMENT_PROTOCOL_IN: + cmd = "MANAGEMENT_PROTOCOL_IN"; + break; + default: + trace_seq_puts(p, "UNKNOWN"); + goto out; + } + + alloc_len = get_unaligned_be32(&cdb[6]); + + trace_seq_printf(p, "%s alloc_len=%u", cmd, alloc_len); + +out: + trace_seq_putc(p, 0); + + return ret; +} + +static const char * +scsi_trace_maintenance_out(struct trace_seq *p, unsigned char *cdb, int len) +{ + const char *ret = trace_seq_buffer_ptr(p), *cmd; + u32 alloc_len; + + switch (SERVICE_ACTION16(cdb)) { + case MO_SET_IDENTIFYING_INFORMATION: + cmd = "SET_IDENTIFYING_INFORMATION"; + break; + case MO_SET_TARGET_PGS: + cmd = "SET_TARGET_PORT_GROUPS"; + break; + case MO_CHANGE_ALIASES: + cmd = "CHANGE_ALIASES"; + break; + case MO_SET_PRIORITY: + cmd = "SET_PRIORITY"; + break; + case MO_SET_TIMESTAMP: + cmd = "SET_TIMESTAMP"; + break; + case MO_MANAGEMENT_PROTOCOL_OUT: + cmd = "MANAGEMENT_PROTOCOL_OUT"; + break; + default: + trace_seq_puts(p, "UNKNOWN"); + goto out; + } + + alloc_len = get_unaligned_be32(&cdb[6]); + + trace_seq_printf(p, "%s alloc_len=%u", cmd, alloc_len); + +out: + trace_seq_putc(p, 0); + + return ret; +} + +static const char * +scsi_trace_zbc_in(struct trace_seq *p, unsigned char *cdb, int len) +{ + const char *ret = trace_seq_buffer_ptr(p), *cmd; + u64 zone_id; + u32 alloc_len; + u8 options; + + switch (SERVICE_ACTION16(cdb)) { + case ZI_REPORT_ZONES: + cmd = "REPORT_ZONES"; + break; + default: + trace_seq_puts(p, "UNKNOWN"); + goto out; + } + + zone_id = get_unaligned_be64(&cdb[2]); + alloc_len = get_unaligned_be32(&cdb[10]); + options = cdb[14] & 0x3f; + + trace_seq_printf(p, "%s zone=%llu alloc_len=%u options=%u partial=%u", + cmd, (unsigned long long)zone_id, alloc_len, + options, (cdb[14] >> 7) & 1); + +out: + trace_seq_putc(p, 0); + + return ret; +} + +static const char * +scsi_trace_zbc_out(struct trace_seq *p, unsigned char *cdb, int len) +{ + const char *ret = trace_seq_buffer_ptr(p), *cmd; + u64 zone_id; + + switch (SERVICE_ACTION16(cdb)) { + case ZO_CLOSE_ZONE: + cmd = "CLOSE_ZONE"; + break; + case ZO_FINISH_ZONE: + cmd = "FINISH_ZONE"; + break; + case ZO_OPEN_ZONE: + cmd = "OPEN_ZONE"; + break; + case ZO_RESET_WRITE_POINTER: + cmd = "RESET_WRITE_POINTER"; + break; + default: + trace_seq_puts(p, "UNKNOWN"); + goto out; + } + + zone_id = get_unaligned_be64(&cdb[2]); + + trace_seq_printf(p, "%s zone=%llu all=%u", cmd, + (unsigned long long)zone_id, cdb[14] & 1); + +out: + trace_seq_putc(p, 0); + + return ret; +} + +static const char * scsi_trace_varlen(struct trace_seq *p, unsigned char *cdb, int len) { switch (SERVICE_ACTION32(cdb)) { @@ -282,6 +435,14 @@ scsi_trace_parse_cdb(struct trace_seq *p, unsigned char *cdb, int len) return scsi_trace_service_action_in(p, cdb, len); case VARIABLE_LENGTH_CMD: return scsi_trace_varlen(p, cdb, len); + case MAINTENANCE_IN: + return scsi_trace_maintenance_in(p, cdb, len); + case MAINTENANCE_OUT: + return scsi_trace_maintenance_out(p, cdb, len); + case ZBC_IN: + return scsi_trace_zbc_in(p, cdb, len); + case ZBC_OUT: + return scsi_trace_zbc_out(p, cdb, len); default: return scsi_trace_misc(p, cdb, len); } |