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scsi: target: Add WRITE_ATOMIC_16 support to RSOC

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Report if the device supports WRITE_ATOMIC_16 in the
REPORT_SUPPORTED_OPERATION_CODES command.

Signed-off-by: Mike Christie <michael.christie@oracle.com>
Signed-off-by: John Garry <john.g.garry@oracle.com>
Link: https://patch.msgid.link/20251020103820.2917593-7-john.g.garry@oracle.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Mike Christie
2025-10-20 10:38:19 +00:00
committed by Martin K. Petersen
parent 710ad826e3
commit 2d9668883b
1 changed files with 19 additions and 0 deletions
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19
drivers/target/target_core_spc.c
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@@ -1470,6 +1470,24 @@ static const struct target_opcode_descriptor tcm_opcode_write_same32 = {
.update_usage_bits = set_dpofua_usage_bits32, .update_usage_bits = set_dpofua_usage_bits32,
}; };
static bool tcm_is_atomic_enabled(const struct target_opcode_descriptor *descr,
struct se_cmd *cmd)
{
return cmd->se_dev->dev_attrib.atomic_max_len;
}
static struct target_opcode_descriptor tcm_opcode_write_atomic16 = {
.support = SCSI_SUPPORT_FULL,
.opcode = WRITE_ATOMIC_16,
.cdb_size = 16,
.usage_bits = {WRITE_ATOMIC_16, 0xf8, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff,
0xff, 0xff, SCSI_GROUP_NUMBER_MASK, SCSI_CONTROL_MASK},
.enabled = tcm_is_atomic_enabled,
.update_usage_bits = set_dpofua_usage_bits,
};
static bool tcm_is_caw_enabled(const struct target_opcode_descriptor *descr, static bool tcm_is_caw_enabled(const struct target_opcode_descriptor *descr,
struct se_cmd *cmd) struct se_cmd *cmd)
{ {
@@ -2026,6 +2044,7 @@ static const struct target_opcode_descriptor *tcm_supported_opcodes[] = {
&tcm_opcode_write16, &tcm_opcode_write16,
&tcm_opcode_write_verify16, &tcm_opcode_write_verify16,
&tcm_opcode_write_same32, &tcm_opcode_write_same32,
&tcm_opcode_write_atomic16,
&tcm_opcode_compare_write, &tcm_opcode_compare_write,
&tcm_opcode_read_capacity, &tcm_opcode_read_capacity,
&tcm_opcode_read_capacity16, &tcm_opcode_read_capacity16,