diff options
| author | Hannes Reinecke <hare@suse.de> | 2020-11-16 19:31:14 +0100 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2021-02-25 14:14:32 +0100 |
| commit | b2d50a3343d939a603df4436ccc41b4cf8223f88 (patch) | |
| tree | ca934d79513fcf913517d247084ebfc0118ca31e | |
| parent | c9b6609b69facad0cc5425d4fa7934c33d7f2e91 (diff) | |
scsi: add tracing for SG_IO commands
Add tracepoints for SG_IO commands to allow for debugging
of SG_IO commands.
Signed-off-by: Hannes Reinecke <hare@suse.de>
Message-Id: <20201116183114.55703-4-hare@suse.de>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
| -rw-r--r-- | hw/scsi/scsi-disk.c | 3 | ||||
| -rw-r--r-- | hw/scsi/scsi-generic.c | 8 | ||||
| -rw-r--r-- | hw/scsi/trace-events | 4 |
3 files changed, 13 insertions, 2 deletions
diff --git a/hw/scsi/scsi-disk.c b/hw/scsi/scsi-disk.c index c4016d1cfc..a2716b26b4 100644 --- a/hw/scsi/scsi-disk.c +++ b/hw/scsi/scsi-disk.c @@ -2788,7 +2788,8 @@ static BlockAIOCB *scsi_block_do_sgio(SCSIBlockReq *req, io_header->timeout = s->qdev.io_timeout * 1000; io_header->usr_ptr = r; io_header->flags |= SG_FLAG_DIRECT_IO; - + trace_scsi_disk_aio_sgio_command(r->req.tag, req->cdb[0], lba, + nb_logical_blocks, io_header->timeout); aiocb = blk_aio_ioctl(s->qdev.conf.blk, SG_IO, io_header, cb, opaque); assert(aiocb != NULL); return aiocb; diff --git a/hw/scsi/scsi-generic.c b/hw/scsi/scsi-generic.c index 3dd3ccd097..176a72951c 100644 --- a/hw/scsi/scsi-generic.c +++ b/hw/scsi/scsi-generic.c @@ -129,6 +129,8 @@ static int execute_command(BlockBackend *blk, r->io_header.usr_ptr = r; r->io_header.flags |= SG_FLAG_DIRECT_IO; + trace_scsi_generic_aio_sgio_command(r->req.tag, r->req.cmd.buf[0], + r->io_header.timeout); r->req.aiocb = blk_aio_ioctl(blk, SG_IO, &r->io_header, complete, r); if (r->req.aiocb == NULL) { return -EIO; @@ -525,8 +527,12 @@ int scsi_SG_IO_FROM_DEV(BlockBackend *blk, uint8_t *cmd, uint8_t cmd_size, io_header.sbp = sensebuf; io_header.timeout = timeout * 1000; + trace_scsi_generic_ioctl_sgio_command(cmd[0], io_header.timeout); ret = blk_ioctl(blk, SG_IO, &io_header); - if (ret < 0 || io_header.driver_status || io_header.host_status) { + if (ret < 0 || io_header.status || + io_header.driver_status || io_header.host_status) { + trace_scsi_generic_ioctl_sgio_done(cmd[0], ret, io_header.status, + io_header.host_status); return -1; } return 0; diff --git a/hw/scsi/trace-events b/hw/scsi/trace-events index 0e0aa9847d..9788661bfd 100644 --- a/hw/scsi/trace-events +++ b/hw/scsi/trace-events @@ -331,6 +331,7 @@ scsi_disk_emulate_command_UNKNOWN(int cmd, const char *name) "Unknown SCSI comma scsi_disk_dma_command_READ(uint64_t lba, uint32_t len) "Read (sector %" PRId64 ", count %u)" scsi_disk_dma_command_WRITE(const char *cmd, uint64_t lba, int len) "Write %s(sector %" PRId64 ", count %u)" scsi_disk_new_request(uint32_t lun, uint32_t tag, const char *line) "Command: lun=%d tag=0x%x data=%s" +scsi_disk_aio_sgio_command(uint32_t tag, uint8_t cmd, uint64_t lba, int len, uint32_t timeout) "disk aio sgio: tag=0x%x cmd=0x%x (sector %" PRId64 ", count %d) timeout=%u" # scsi-generic.c scsi_generic_command_complete_noio(void *req, uint32_t tag, int statuc) "Command complete %p tag=0x%x status=%d" @@ -342,3 +343,6 @@ scsi_generic_write_data(uint32_t tag) "scsi_write_data tag=0x%x" scsi_generic_send_command(const char *line) "Command: data=%s" scsi_generic_realize_type(int type) "device type %d" scsi_generic_realize_blocksize(int blocksize) "block size %d" +scsi_generic_aio_sgio_command(uint32_t tag, uint8_t cmd, uint32_t timeout) "generic aio sgio: tag=0x%x cmd=0x%x timeout=%u" +scsi_generic_ioctl_sgio_command(uint8_t cmd, uint32_t timeout) "generic ioctl sgio: cmd=0x%x timeout=%u" +scsi_generic_ioctl_sgio_done(uint8_t cmd, int ret, uint8_t status, uint8_t host_status) "generic ioctl sgio: cmd=0x%x ret=%d status=0x%x host_status=0x%x" |