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| author | Hannes Reinecke <hare@suse.de> | 2021-12-21 08:20:32 +0100 |
|---|---|---|
| committer | Damien Le Moal <damien.lemoal@opensource.wdc.com> | 2022-01-05 19:33:01 +0900 |
| commit | 7fad6ad6a357c73f0bdf55476238ae2884de78a3 (patch) | |
| tree | 163b0137b38e18045718a8723e491a47bfa63f7e /drivers/ata/libata-trace.c | |
| parent | c206a389c97c9533971cd05eed69b49f535cc193 (diff) | |
| download | lwn-7fad6ad6a357c73f0bdf55476238ae2884de78a3.tar.gz lwn-7fad6ad6a357c73f0bdf55476238ae2884de78a3.zip | |
ata: libata-sff: tracepoints for HSM state machine
Add tracepoints for the HSM state machine and drop DPRINTK calls
Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
Diffstat (limited to 'drivers/ata/libata-trace.c')
| -rw-r--r-- | drivers/ata/libata-trace.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/drivers/ata/libata-trace.c b/drivers/ata/libata-trace.c index 8a929e4414dc..e0e4d0d5a100 100644 --- a/drivers/ata/libata-trace.c +++ b/drivers/ata/libata-trace.c @@ -156,6 +156,35 @@ libata_trace_parse_qc_flags(struct trace_seq *p, unsigned int qc_flags) } const char * +libata_trace_parse_tf_flags(struct trace_seq *p, unsigned int tf_flags) +{ + const char *ret = trace_seq_buffer_ptr(p); + + trace_seq_printf(p, "%x", tf_flags); + if (tf_flags) { + trace_seq_printf(p, "{ "); + if (tf_flags & ATA_TFLAG_LBA48) + trace_seq_printf(p, "LBA48 "); + if (tf_flags & ATA_TFLAG_ISADDR) + trace_seq_printf(p, "ISADDR "); + if (tf_flags & ATA_TFLAG_DEVICE) + trace_seq_printf(p, "DEV "); + if (tf_flags & ATA_TFLAG_WRITE) + trace_seq_printf(p, "WRITE "); + if (tf_flags & ATA_TFLAG_LBA) + trace_seq_printf(p, "LBA "); + if (tf_flags & ATA_TFLAG_FUA) + trace_seq_printf(p, "FUA "); + if (tf_flags & ATA_TFLAG_POLLING) + trace_seq_printf(p, "POLL "); + trace_seq_putc(p, '}'); + } + trace_seq_putc(p, 0); + + return ret; +} + +const char * libata_trace_parse_subcmd(struct trace_seq *p, unsigned char cmd, unsigned char feature, unsigned char hob_nsect) { |