Commit 55bdabdf authored by Andy Grover's avatar Andy Grover Committed by Nicholas Bellinger

iscsi: Use struct scsi_lun in iscsi structs instead of u8[8]

struct scsi_lun is also just a struct with an array of 8 octets (64 bits)
but using it instead in iscsi structs lets us call scsilun_to_int
without a cast, and also lets us copy it using assignment, instead of
memcpy().
Signed-off-by: default avatarAndy Grover <agrover@redhat.com>
Signed-off-by: default avatarJames Bottomley <JBottomley@Parallels.com>
parent 12352183
...@@ -3963,11 +3963,10 @@ static int beiscsi_iotask(struct iscsi_task *task, struct scatterlist *sg, ...@@ -3963,11 +3963,10 @@ static int beiscsi_iotask(struct iscsi_task *task, struct scatterlist *sg,
} }
memcpy(&io_task->cmd_bhs->iscsi_data_pdu. memcpy(&io_task->cmd_bhs->iscsi_data_pdu.
dw[offsetof(struct amap_pdu_data_out, lun) / 32], dw[offsetof(struct amap_pdu_data_out, lun) / 32],
io_task->cmd_bhs->iscsi_hdr.lun, sizeof(struct scsi_lun)); &io_task->cmd_bhs->iscsi_hdr.lun, sizeof(struct scsi_lun));
AMAP_SET_BITS(struct amap_iscsi_wrb, lun, pwrb, AMAP_SET_BITS(struct amap_iscsi_wrb, lun, pwrb,
cpu_to_be16((unsigned short)io_task->cmd_bhs->iscsi_hdr. cpu_to_be16(*(unsigned short *)&io_task->cmd_bhs->iscsi_hdr.lun));
lun[0]));
AMAP_SET_BITS(struct amap_iscsi_wrb, r2t_exp_dtl, pwrb, xferlen); AMAP_SET_BITS(struct amap_iscsi_wrb, r2t_exp_dtl, pwrb, xferlen);
AMAP_SET_BITS(struct amap_iscsi_wrb, wrb_idx, pwrb, AMAP_SET_BITS(struct amap_iscsi_wrb, wrb_idx, pwrb,
io_task->pwrb_handle->wrb_index); io_task->pwrb_handle->wrb_index);
......
...@@ -430,7 +430,7 @@ int bnx2i_send_iscsi_tmf(struct bnx2i_conn *bnx2i_conn, ...@@ -430,7 +430,7 @@ int bnx2i_send_iscsi_tmf(struct bnx2i_conn *bnx2i_conn,
default: default:
tmfabort_wqe->ref_itt = RESERVED_ITT; tmfabort_wqe->ref_itt = RESERVED_ITT;
} }
memcpy(scsi_lun, tmfabort_hdr->lun, sizeof(struct scsi_lun)); memcpy(scsi_lun, &tmfabort_hdr->lun, sizeof(struct scsi_lun));
tmfabort_wqe->lun[0] = be32_to_cpu(scsi_lun[0]); tmfabort_wqe->lun[0] = be32_to_cpu(scsi_lun[0]);
tmfabort_wqe->lun[1] = be32_to_cpu(scsi_lun[1]); tmfabort_wqe->lun[1] = be32_to_cpu(scsi_lun[1]);
...@@ -547,7 +547,7 @@ int bnx2i_send_iscsi_nopout(struct bnx2i_conn *bnx2i_conn, ...@@ -547,7 +547,7 @@ int bnx2i_send_iscsi_nopout(struct bnx2i_conn *bnx2i_conn,
nopout_wqe->op_code = nopout_hdr->opcode; nopout_wqe->op_code = nopout_hdr->opcode;
nopout_wqe->op_attr = ISCSI_FLAG_CMD_FINAL; nopout_wqe->op_attr = ISCSI_FLAG_CMD_FINAL;
memcpy(nopout_wqe->lun, nopout_hdr->lun, 8); memcpy(nopout_wqe->lun, &nopout_hdr->lun, 8);
if (test_bit(BNX2I_NX2_DEV_57710, &ep->hba->cnic_dev_type)) { if (test_bit(BNX2I_NX2_DEV_57710, &ep->hba->cnic_dev_type)) {
u32 tmp = nopout_wqe->lun[0]; u32 tmp = nopout_wqe->lun[0];
...@@ -1711,7 +1711,7 @@ static int bnx2i_process_nopin_mesg(struct iscsi_session *session, ...@@ -1711,7 +1711,7 @@ static int bnx2i_process_nopin_mesg(struct iscsi_session *session,
hdr->flags = ISCSI_FLAG_CMD_FINAL; hdr->flags = ISCSI_FLAG_CMD_FINAL;
hdr->itt = task->hdr->itt; hdr->itt = task->hdr->itt;
hdr->ttt = cpu_to_be32(nop_in->ttt); hdr->ttt = cpu_to_be32(nop_in->ttt);
memcpy(hdr->lun, nop_in->lun, 8); memcpy(&hdr->lun, nop_in->lun, 8);
} }
done: done:
__iscsi_complete_pdu(conn, (struct iscsi_hdr *)hdr, NULL, 0); __iscsi_complete_pdu(conn, (struct iscsi_hdr *)hdr, NULL, 0);
...@@ -1754,7 +1754,7 @@ static void bnx2i_process_async_mesg(struct iscsi_session *session, ...@@ -1754,7 +1754,7 @@ static void bnx2i_process_async_mesg(struct iscsi_session *session,
resp_hdr->opcode = async_cqe->op_code; resp_hdr->opcode = async_cqe->op_code;
resp_hdr->flags = 0x80; resp_hdr->flags = 0x80;
memcpy(resp_hdr->lun, async_cqe->lun, 8); memcpy(&resp_hdr->lun, async_cqe->lun, 8);
resp_hdr->exp_cmdsn = cpu_to_be32(async_cqe->exp_cmd_sn); resp_hdr->exp_cmdsn = cpu_to_be32(async_cqe->exp_cmd_sn);
resp_hdr->max_cmdsn = cpu_to_be32(async_cqe->max_cmd_sn); resp_hdr->max_cmdsn = cpu_to_be32(async_cqe->max_cmd_sn);
......
...@@ -169,7 +169,7 @@ void iscsi_prep_data_out_pdu(struct iscsi_task *task, struct iscsi_r2t_info *r2t ...@@ -169,7 +169,7 @@ void iscsi_prep_data_out_pdu(struct iscsi_task *task, struct iscsi_r2t_info *r2t
hdr->datasn = cpu_to_be32(r2t->datasn); hdr->datasn = cpu_to_be32(r2t->datasn);
r2t->datasn++; r2t->datasn++;
hdr->opcode = ISCSI_OP_SCSI_DATA_OUT; hdr->opcode = ISCSI_OP_SCSI_DATA_OUT;
memcpy(hdr->lun, task->lun, sizeof(hdr->lun)); hdr->lun = task->lun;
hdr->itt = task->hdr_itt; hdr->itt = task->hdr_itt;
hdr->exp_statsn = r2t->exp_statsn; hdr->exp_statsn = r2t->exp_statsn;
hdr->offset = cpu_to_be32(r2t->data_offset + r2t->sent); hdr->offset = cpu_to_be32(r2t->data_offset + r2t->sent);
...@@ -296,7 +296,7 @@ static int iscsi_check_tmf_restrictions(struct iscsi_task *task, int opcode) ...@@ -296,7 +296,7 @@ static int iscsi_check_tmf_restrictions(struct iscsi_task *task, int opcode)
/* /*
* Allow PDUs for unrelated LUNs * Allow PDUs for unrelated LUNs
*/ */
hdr_lun = scsilun_to_int((struct scsi_lun *)tmf->lun); hdr_lun = scsilun_to_int(&tmf->lun);
if (hdr_lun != task->sc->device->lun) if (hdr_lun != task->sc->device->lun)
return 0; return 0;
/* fall through */ /* fall through */
...@@ -389,8 +389,8 @@ static int iscsi_prep_scsi_cmd_pdu(struct iscsi_task *task) ...@@ -389,8 +389,8 @@ static int iscsi_prep_scsi_cmd_pdu(struct iscsi_task *task)
return rc; return rc;
hdr->opcode = ISCSI_OP_SCSI_CMD; hdr->opcode = ISCSI_OP_SCSI_CMD;
hdr->flags = ISCSI_ATTR_SIMPLE; hdr->flags = ISCSI_ATTR_SIMPLE;
int_to_scsilun(sc->device->lun, (struct scsi_lun *)hdr->lun); int_to_scsilun(sc->device->lun, &hdr->lun);
memcpy(task->lun, hdr->lun, sizeof(task->lun)); task->lun = hdr->lun;
hdr->exp_statsn = cpu_to_be32(conn->exp_statsn); hdr->exp_statsn = cpu_to_be32(conn->exp_statsn);
cmd_len = sc->cmd_len; cmd_len = sc->cmd_len;
if (cmd_len < ISCSI_CDB_SIZE) if (cmd_len < ISCSI_CDB_SIZE)
...@@ -968,7 +968,7 @@ static void iscsi_send_nopout(struct iscsi_conn *conn, struct iscsi_nopin *rhdr) ...@@ -968,7 +968,7 @@ static void iscsi_send_nopout(struct iscsi_conn *conn, struct iscsi_nopin *rhdr)
hdr.flags = ISCSI_FLAG_CMD_FINAL; hdr.flags = ISCSI_FLAG_CMD_FINAL;
if (rhdr) { if (rhdr) {
memcpy(hdr.lun, rhdr->lun, 8); hdr.lun = rhdr->lun;
hdr.ttt = rhdr->ttt; hdr.ttt = rhdr->ttt;
hdr.itt = RESERVED_ITT; hdr.itt = RESERVED_ITT;
} else } else
...@@ -2092,7 +2092,7 @@ static void iscsi_prep_abort_task_pdu(struct iscsi_task *task, ...@@ -2092,7 +2092,7 @@ static void iscsi_prep_abort_task_pdu(struct iscsi_task *task,
hdr->opcode = ISCSI_OP_SCSI_TMFUNC | ISCSI_OP_IMMEDIATE; hdr->opcode = ISCSI_OP_SCSI_TMFUNC | ISCSI_OP_IMMEDIATE;
hdr->flags = ISCSI_TM_FUNC_ABORT_TASK & ISCSI_FLAG_TM_FUNC_MASK; hdr->flags = ISCSI_TM_FUNC_ABORT_TASK & ISCSI_FLAG_TM_FUNC_MASK;
hdr->flags |= ISCSI_FLAG_CMD_FINAL; hdr->flags |= ISCSI_FLAG_CMD_FINAL;
memcpy(hdr->lun, task->lun, sizeof(hdr->lun)); hdr->lun = task->lun;
hdr->rtt = task->hdr_itt; hdr->rtt = task->hdr_itt;
hdr->refcmdsn = task->cmdsn; hdr->refcmdsn = task->cmdsn;
} }
...@@ -2233,7 +2233,7 @@ static void iscsi_prep_lun_reset_pdu(struct scsi_cmnd *sc, struct iscsi_tm *hdr) ...@@ -2233,7 +2233,7 @@ static void iscsi_prep_lun_reset_pdu(struct scsi_cmnd *sc, struct iscsi_tm *hdr)
hdr->opcode = ISCSI_OP_SCSI_TMFUNC | ISCSI_OP_IMMEDIATE; hdr->opcode = ISCSI_OP_SCSI_TMFUNC | ISCSI_OP_IMMEDIATE;
hdr->flags = ISCSI_TM_FUNC_LOGICAL_UNIT_RESET & ISCSI_FLAG_TM_FUNC_MASK; hdr->flags = ISCSI_TM_FUNC_LOGICAL_UNIT_RESET & ISCSI_FLAG_TM_FUNC_MASK;
hdr->flags |= ISCSI_FLAG_CMD_FINAL; hdr->flags |= ISCSI_FLAG_CMD_FINAL;
int_to_scsilun(sc->device->lun, (struct scsi_lun *)hdr->lun); int_to_scsilun(sc->device->lun, &hdr->lun);
hdr->rtt = RESERVED_ITT; hdr->rtt = RESERVED_ITT;
} }
......
...@@ -60,7 +60,7 @@ struct iscsi_hdr { ...@@ -60,7 +60,7 @@ struct iscsi_hdr {
uint8_t rsvd2[2]; uint8_t rsvd2[2];
uint8_t hlength; /* AHSs total length */ uint8_t hlength; /* AHSs total length */
uint8_t dlength[3]; /* Data length */ uint8_t dlength[3]; /* Data length */
uint8_t lun[8]; struct scsi_lun lun;
itt_t itt; /* Initiator Task Tag, opaque for target */ itt_t itt; /* Initiator Task Tag, opaque for target */
__be32 ttt; /* Target Task Tag */ __be32 ttt; /* Target Task Tag */
__be32 statsn; __be32 statsn;
...@@ -122,7 +122,7 @@ struct iscsi_scsi_req { ...@@ -122,7 +122,7 @@ struct iscsi_scsi_req {
__be16 rsvd2; __be16 rsvd2;
uint8_t hlength; uint8_t hlength;
uint8_t dlength[3]; uint8_t dlength[3];
uint8_t lun[8]; struct scsi_lun lun;
itt_t itt; /* Initiator Task Tag */ itt_t itt; /* Initiator Task Tag */
__be32 data_length; __be32 data_length;
__be32 cmdsn; __be32 cmdsn;
...@@ -198,7 +198,7 @@ struct iscsi_async { ...@@ -198,7 +198,7 @@ struct iscsi_async {
uint8_t rsvd2[2]; uint8_t rsvd2[2];
uint8_t rsvd3; uint8_t rsvd3;
uint8_t dlength[3]; uint8_t dlength[3];
uint8_t lun[8]; struct scsi_lun lun;
uint8_t rsvd4[8]; uint8_t rsvd4[8];
__be32 statsn; __be32 statsn;
__be32 exp_cmdsn; __be32 exp_cmdsn;
...@@ -226,7 +226,7 @@ struct iscsi_nopout { ...@@ -226,7 +226,7 @@ struct iscsi_nopout {
__be16 rsvd2; __be16 rsvd2;
uint8_t rsvd3; uint8_t rsvd3;
uint8_t dlength[3]; uint8_t dlength[3];
uint8_t lun[8]; struct scsi_lun lun;
itt_t itt; /* Initiator Task Tag */ itt_t itt; /* Initiator Task Tag */
__be32 ttt; /* Target Transfer Tag */ __be32 ttt; /* Target Transfer Tag */
__be32 cmdsn; __be32 cmdsn;
...@@ -241,7 +241,7 @@ struct iscsi_nopin { ...@@ -241,7 +241,7 @@ struct iscsi_nopin {
__be16 rsvd2; __be16 rsvd2;
uint8_t rsvd3; uint8_t rsvd3;
uint8_t dlength[3]; uint8_t dlength[3];
uint8_t lun[8]; struct scsi_lun lun;
itt_t itt; /* Initiator Task Tag */ itt_t itt; /* Initiator Task Tag */
__be32 ttt; /* Target Transfer Tag */ __be32 ttt; /* Target Transfer Tag */
__be32 statsn; __be32 statsn;
...@@ -257,7 +257,7 @@ struct iscsi_tm { ...@@ -257,7 +257,7 @@ struct iscsi_tm {
uint8_t rsvd1[2]; uint8_t rsvd1[2];
uint8_t hlength; uint8_t hlength;
uint8_t dlength[3]; uint8_t dlength[3];
uint8_t lun[8]; struct scsi_lun lun;
itt_t itt; /* Initiator Task Tag */ itt_t itt; /* Initiator Task Tag */
itt_t rtt; /* Reference Task Tag */ itt_t rtt; /* Reference Task Tag */
__be32 cmdsn; __be32 cmdsn;
...@@ -315,7 +315,7 @@ struct iscsi_r2t_rsp { ...@@ -315,7 +315,7 @@ struct iscsi_r2t_rsp {
uint8_t rsvd2[2]; uint8_t rsvd2[2];
uint8_t hlength; uint8_t hlength;
uint8_t dlength[3]; uint8_t dlength[3];
uint8_t lun[8]; struct scsi_lun lun;
itt_t itt; /* Initiator Task Tag */ itt_t itt; /* Initiator Task Tag */
__be32 ttt; /* Target Transfer Tag */ __be32 ttt; /* Target Transfer Tag */
__be32 statsn; __be32 statsn;
...@@ -333,7 +333,7 @@ struct iscsi_data { ...@@ -333,7 +333,7 @@ struct iscsi_data {
uint8_t rsvd2[2]; uint8_t rsvd2[2];
uint8_t rsvd3; uint8_t rsvd3;
uint8_t dlength[3]; uint8_t dlength[3];
uint8_t lun[8]; struct scsi_lun lun;
itt_t itt; itt_t itt;
__be32 ttt; __be32 ttt;
__be32 rsvd4; __be32 rsvd4;
...@@ -353,7 +353,7 @@ struct iscsi_data_rsp { ...@@ -353,7 +353,7 @@ struct iscsi_data_rsp {
uint8_t cmd_status; uint8_t cmd_status;
uint8_t hlength; uint8_t hlength;
uint8_t dlength[3]; uint8_t dlength[3];
uint8_t lun[8]; struct scsi_lun lun;
itt_t itt; itt_t itt;
__be32 ttt; __be32 ttt;
__be32 statsn; __be32 statsn;
......
...@@ -115,7 +115,7 @@ struct iscsi_task { ...@@ -115,7 +115,7 @@ struct iscsi_task {
/* copied values in case we need to send tmfs */ /* copied values in case we need to send tmfs */
itt_t hdr_itt; itt_t hdr_itt;
__be32 cmdsn; __be32 cmdsn;
uint8_t lun[8]; struct scsi_lun lun;
int itt; /* this ITT */ int itt; /* this ITT */
......
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