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Add unmarshalling of VPD BLock Limits settings for atomic writes

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Signed-off-by: Ronnie Sahlberg <ronniesahlberg@gmail.com>
This commit is contained in:
Ronnie Sahlberg
2015-09-09 06:17:56 -07:00
parent 6c16f9e322
commit 80b81772e2
2 changed files with 9 additions and 0 deletions
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include/scsi-lowlevel.h
+5
View File
@@ -558,6 +558,11 @@ struct scsi_inquiry_block_limits {
int ugavalid; int ugavalid;
uint32_t unmap_gran_align; /* unmap_granularity_alignment */ uint32_t unmap_gran_align; /* unmap_granularity_alignment */
uint64_t max_ws_len; /* maximum_write_same_length */ uint64_t max_ws_len; /* maximum_write_same_length */
/* SBC-4 */
uint32_t max_atomic_xfer_len;
uint32_t atomic_align;
uint32_t atomic_gran;
}; };
struct scsi_inquiry_block_device_characteristics { struct scsi_inquiry_block_device_characteristics {
lib/scsi-lowlevel.c
+4
View File
@@ -1427,6 +1427,10 @@ scsi_inquiry_unmarshall_block_limits(struct scsi_task *task)
inq->max_ws_len = (inq->max_ws_len << 32) inq->max_ws_len = (inq->max_ws_len << 32)
| task_get_uint32(task, 40); | task_get_uint32(task, 40);
inq->max_atomic_xfer_len = task_get_uint32(task, 44);
inq->atomic_align = task_get_uint32(task, 48);
inq->atomic_gran = task_get_uint32(task, 52);
return inq; return inq;
} }