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author | Hannes Reinecke <hare@suse.de> | 2016-03-24 16:23:56 (GMT) |
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committer | Martin K. Petersen <martin.petersen@oracle.com> | 2016-04-11 20:57:09 (GMT) |
commit | 0008f1e7230b16989f72042e44bc078e44a69536 (patch) | |
tree | b578f5e459da20824f23dc7465e7720a25f86c3f /drivers/scsi/scsi_trace.c | |
parent | 5141f16a8a944f14e4b0348e8cd9e4dd1acb1a86 (diff) | |
download | linux-0008f1e7230b16989f72042e44bc078e44a69536.tar.xz |
scsi-trace: define ZBC_IN and ZBC_OUT
Add new trace functions for ZBC_IN and ZBC_OUT.
Reviewed-by: Doug Gilbert <dgilbert@interlog.com>
Reviewed-by: Ewan D. Milne <emilne@redhat.com>
Signed-off-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/scsi_trace.c')
-rw-r--r-- | drivers/scsi/scsi_trace.c | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/drivers/scsi/scsi_trace.c b/drivers/scsi/scsi_trace.c index 76d4e6f..0ff083b 100644 --- a/drivers/scsi/scsi_trace.c +++ b/drivers/scsi/scsi_trace.c @@ -318,6 +318,72 @@ out: } 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)) { @@ -373,6 +439,10 @@ scsi_trace_parse_cdb(struct trace_seq *p, unsigned char *cdb, int len) 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); } |