diff options
| author | Sagi Grimberg <sagig@mellanox.com> | 2015-07-08 17:58:53 +0300 |
|---|---|---|
| committer | Nicholas Bellinger <nab@linux-iscsi.org> | 2015-07-23 22:11:08 -0700 |
| commit | 9ec1e1ce3a0f854b9150e7888a373392fbbe7442 (patch) | |
| tree | dd5ef3edbd8a56455f2cf07337e38e7d74a3e041 /drivers/target | |
| parent | 7708c1656552ddd60b9b9df3a9ee156acd1801ba (diff) | |
target: Use scsi helpers to build the sense data correctly
Instead of open coding the sense buffer construction, use
scsi scsi_build_sense_buffer() and scsi_set_sense_information()
helpers which moved to scsi_common.
Signed-off-by: Sagi Grimberg <sagig@mellanox.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
Diffstat (limited to 'drivers/target')
| -rw-r--r-- | drivers/target/target_core_spc.c | 31 | ||||
| -rw-r--r-- | drivers/target/target_core_transport.c | 21 |
2 files changed, 9 insertions, 43 deletions
diff --git a/drivers/target/target_core_spc.c b/drivers/target/target_core_spc.c index b0744433315a..c43dcbf2d48e 100644 --- a/drivers/target/target_core_spc.c +++ b/drivers/target/target_core_spc.c @@ -1157,32 +1157,11 @@ static sense_reason_t spc_emulate_request_sense(struct se_cmd *cmd) if (!rbuf) return TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE; - if (!core_scsi3_ua_clear_for_request_sense(cmd, &ua_asc, &ua_ascq)) { - /* - * CURRENT ERROR, UNIT ATTENTION - */ - buf[0] = 0x70; - buf[SPC_SENSE_KEY_OFFSET] = UNIT_ATTENTION; - - /* - * The Additional Sense Code (ASC) from the UNIT ATTENTION - */ - buf[SPC_ASC_KEY_OFFSET] = ua_asc; - buf[SPC_ASCQ_KEY_OFFSET] = ua_ascq; - buf[7] = 0x0A; - } else { - /* - * CURRENT ERROR, NO SENSE - */ - buf[0] = 0x70; - buf[SPC_SENSE_KEY_OFFSET] = NO_SENSE; - - /* - * NO ADDITIONAL SENSE INFORMATION - */ - buf[SPC_ASC_KEY_OFFSET] = 0x00; - buf[7] = 0x0A; - } + if (!core_scsi3_ua_clear_for_request_sense(cmd, &ua_asc, &ua_ascq)) + scsi_build_sense_buffer(0, buf, UNIT_ATTENTION, + ua_asc, ua_ascq); + else + scsi_build_sense_buffer(0, buf, NO_SENSE, 0x0, 0x0); memcpy(rbuf, buf, min_t(u32, sizeof(buf), cmd->data_length)); transport_kunmap_data_sg(cmd); diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c index 6ef44c9db381..f528a9def65a 100644 --- a/drivers/target/target_core_transport.c +++ b/drivers/target/target_core_transport.c @@ -39,6 +39,7 @@ #include <net/sock.h> #include <net/tcp.h> #include <scsi/scsi_proto.h> +#include <scsi/scsi_common.h> #include <target/target_core_base.h> #include <target/target_core_backend.h> @@ -2615,19 +2616,6 @@ bool transport_wait_for_tasks(struct se_cmd *cmd) } EXPORT_SYMBOL(transport_wait_for_tasks); -static -void transport_err_sector_info(unsigned char *buffer, sector_t bad_sector) -{ - /* Place failed LBA in sense data information descriptor 0. */ - buffer[SPC_ADD_SENSE_LEN_OFFSET] = 0xc; - buffer[SPC_DESC_TYPE_OFFSET] = 0; /* Information */ - buffer[SPC_ADDITIONAL_DESC_LEN_OFFSET] = 0xa; - buffer[SPC_VALIDITY_OFFSET] = 0x80; - - /* Descriptor Information: failing sector */ - put_unaligned_be64(bad_sector, &buffer[12]); -} - struct sense_info { u8 key; u8 asc; @@ -2754,7 +2742,6 @@ static void translate_sense_reason(struct se_cmd *cmd, sense_reason_t reason) si = &sense_info_table[(__force int) TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE]; - buffer[SPC_SENSE_KEY_OFFSET] = si->key; if (reason == TCM_CHECK_CONDITION_UNIT_ATTENTION) { core_scsi3_ua_for_check_condition(cmd, &asc, &ascq); WARN_ON_ONCE(asc == 0); @@ -2766,10 +2753,10 @@ static void translate_sense_reason(struct se_cmd *cmd, sense_reason_t reason) asc = si->asc; ascq = si->ascq; } - buffer[SPC_ASC_KEY_OFFSET] = asc; - buffer[SPC_ASCQ_KEY_OFFSET] = ascq; + + scsi_build_sense_buffer(0, buffer, si->key, asc, ascq); if (si->add_sector_info) - transport_err_sector_info(cmd->sense_buffer, cmd->bad_sector); + scsi_set_sense_information(buffer, cmd->bad_sector); } int |