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path: root/drivers/scsi/lpfc/lpfc_bsg.c
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Diffstat (limited to 'drivers/scsi/lpfc/lpfc_bsg.c')
-rw-r--r--drivers/scsi/lpfc/lpfc_bsg.c74
1 files changed, 61 insertions, 13 deletions
diff --git a/drivers/scsi/lpfc/lpfc_bsg.c b/drivers/scsi/lpfc/lpfc_bsg.c
index 6760c69f5253..c13e54760cb1 100644
--- a/drivers/scsi/lpfc/lpfc_bsg.c
+++ b/drivers/scsi/lpfc/lpfc_bsg.c
@@ -3140,6 +3140,9 @@ lpfc_bsg_issue_mbox_ext_handle_job(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmboxq)
unsigned long flags;
uint32_t size;
int rc = 0;
+ struct lpfc_dmabuf *dmabuf;
+ struct lpfc_sli_config_mbox *sli_cfg_mbx;
+ uint8_t *pmbx;
spin_lock_irqsave(&phba->ct_ev_lock, flags);
dd_data = pmboxq->context1;
@@ -3156,7 +3159,19 @@ lpfc_bsg_issue_mbox_ext_handle_job(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmboxq)
*/
pmb = (uint8_t *)&pmboxq->u.mb;
pmb_buf = (uint8_t *)dd_data->context_un.mbox.mb;
+ /* Copy the byte swapped response mailbox back to the user */
memcpy(pmb_buf, pmb, sizeof(MAILBOX_t));
+ /* if there is any non-embedded extended data copy that too */
+ dmabuf = phba->mbox_ext_buf_ctx.mbx_dmabuf;
+ sli_cfg_mbx = (struct lpfc_sli_config_mbox *)dmabuf->virt;
+ if (!bsg_bf_get(lpfc_mbox_hdr_emb,
+ &sli_cfg_mbx->un.sli_config_emb0_subsys.sli_config_hdr)) {
+ pmbx = (uint8_t *)dmabuf->virt;
+ /* byte swap the extended data following the mailbox command */
+ lpfc_sli_pcimem_bcopy(&pmbx[sizeof(MAILBOX_t)],
+ &pmbx[sizeof(MAILBOX_t)],
+ sli_cfg_mbx->un.sli_config_emb0_subsys.mse[0].buf_len);
+ }
job = dd_data->context_un.mbox.set_job;
if (job) {
@@ -3519,6 +3534,18 @@ lpfc_bsg_sli_cfg_read_cmd_ext(struct lpfc_hba *phba, struct fc_bsg_job *job,
/* state change */
phba->mbox_ext_buf_ctx.state = LPFC_BSG_MBOX_PORT;
+ /*
+ * Non-embedded mailbox subcommand data gets byte swapped here because
+ * the lower level driver code only does the first 64 mailbox words.
+ */
+ if ((!bsg_bf_get(lpfc_mbox_hdr_emb,
+ &sli_cfg_mbx->un.sli_config_emb0_subsys.sli_config_hdr)) &&
+ (nemb_tp == nemb_mse))
+ lpfc_sli_pcimem_bcopy(&pmbx[sizeof(MAILBOX_t)],
+ &pmbx[sizeof(MAILBOX_t)],
+ sli_cfg_mbx->un.sli_config_emb0_subsys.
+ mse[0].buf_len);
+
rc = lpfc_sli_issue_mbox(phba, pmboxq, MBX_NOWAIT);
if ((rc == MBX_SUCCESS) || (rc == MBX_BUSY)) {
lpfc_printf_log(phba, KERN_INFO, LOG_LIBDFC,
@@ -3575,7 +3602,7 @@ lpfc_bsg_sli_cfg_write_cmd_ext(struct lpfc_hba *phba, struct fc_bsg_job *job,
&sli_cfg_mbx->un.sli_config_emb0_subsys.sli_config_hdr);
if (ext_buf_cnt > LPFC_MBX_SLI_CONFIG_MAX_MSE) {
lpfc_printf_log(phba, KERN_ERR, LOG_LIBDFC,
- "2953 Handled SLI_CONFIG(mse) wr, "
+ "2953 Failed SLI_CONFIG(mse) wr, "
"ext_buf_cnt(%d) out of range(%d)\n",
ext_buf_cnt,
LPFC_MBX_SLI_CONFIG_MAX_MSE);
@@ -3593,7 +3620,7 @@ lpfc_bsg_sli_cfg_write_cmd_ext(struct lpfc_hba *phba, struct fc_bsg_job *job,
ext_buf_cnt = sli_cfg_mbx->un.sli_config_emb1_subsys.hbd_count;
if (ext_buf_cnt > LPFC_MBX_SLI_CONFIG_MAX_HBD) {
lpfc_printf_log(phba, KERN_ERR, LOG_LIBDFC,
- "2954 Handled SLI_CONFIG(hbd) wr, "
+ "2954 Failed SLI_CONFIG(hbd) wr, "
"ext_buf_cnt(%d) out of range(%d)\n",
ext_buf_cnt,
LPFC_MBX_SLI_CONFIG_MAX_HBD);
@@ -3687,6 +3714,7 @@ lpfc_bsg_sli_cfg_write_cmd_ext(struct lpfc_hba *phba, struct fc_bsg_job *job,
"2956 Failed to issue SLI_CONFIG ext-buffer "
"maibox command, rc:x%x\n", rc);
rc = -EPIPE;
+ goto job_error;
}
/* wait for additoinal external buffers */
@@ -3721,7 +3749,7 @@ lpfc_bsg_handle_sli_cfg_mbox(struct lpfc_hba *phba, struct fc_bsg_job *job,
uint32_t opcode;
int rc = SLI_CONFIG_NOT_HANDLED;
- /* state change */
+ /* state change on new multi-buffer pass-through mailbox command */
phba->mbox_ext_buf_ctx.state = LPFC_BSG_MBOX_HOST;
sli_cfg_mbx = (struct lpfc_sli_config_mbox *)dmabuf->virt;
@@ -3752,18 +3780,36 @@ lpfc_bsg_handle_sli_cfg_mbox(struct lpfc_hba *phba, struct fc_bsg_job *job,
break;
default:
lpfc_printf_log(phba, KERN_INFO, LOG_LIBDFC,
- "2959 Not handled SLI_CONFIG "
+ "2959 Reject SLI_CONFIG "
"subsys_fcoe, opcode:x%x\n",
opcode);
- rc = SLI_CONFIG_NOT_HANDLED;
+ rc = -EPERM;
+ break;
+ }
+ } else if (subsys == SLI_CONFIG_SUBSYS_COMN) {
+ switch (opcode) {
+ case COMN_OPCODE_GET_CNTL_ADDL_ATTRIBUTES:
+ lpfc_printf_log(phba, KERN_INFO, LOG_LIBDFC,
+ "3106 Handled SLI_CONFIG "
+ "subsys_fcoe, opcode:x%x\n",
+ opcode);
+ rc = lpfc_bsg_sli_cfg_read_cmd_ext(phba, job,
+ nemb_mse, dmabuf);
+ break;
+ default:
+ lpfc_printf_log(phba, KERN_INFO, LOG_LIBDFC,
+ "3107 Reject SLI_CONFIG "
+ "subsys_fcoe, opcode:x%x\n",
+ opcode);
+ rc = -EPERM;
break;
}
} else {
lpfc_printf_log(phba, KERN_INFO, LOG_LIBDFC,
- "2977 Handled SLI_CONFIG "
+ "2977 Reject SLI_CONFIG "
"subsys:x%d, opcode:x%x\n",
subsys, opcode);
- rc = SLI_CONFIG_NOT_HANDLED;
+ rc = -EPERM;
}
} else {
subsys = bsg_bf_get(lpfc_emb1_subcmnd_subsys,
@@ -3799,12 +3845,17 @@ lpfc_bsg_handle_sli_cfg_mbox(struct lpfc_hba *phba, struct fc_bsg_job *job,
}
} else {
lpfc_printf_log(phba, KERN_INFO, LOG_LIBDFC,
- "2978 Handled SLI_CONFIG "
+ "2978 Not handled SLI_CONFIG "
"subsys:x%d, opcode:x%x\n",
subsys, opcode);
rc = SLI_CONFIG_NOT_HANDLED;
}
}
+
+ /* state reset on not handled new multi-buffer mailbox command */
+ if (rc != SLI_CONFIG_HANDLED)
+ phba->mbox_ext_buf_ctx.state = LPFC_BSG_MBOX_IDLE;
+
return rc;
}
@@ -4262,11 +4313,8 @@ lpfc_bsg_issue_mbox(struct lpfc_hba *phba, struct fc_bsg_job *job,
/* extended mailbox commands will need an extended buffer */
if (mbox_req->inExtWLen || mbox_req->outExtWLen) {
- /* any data for the device? */
- if (mbox_req->inExtWLen) {
- from = pmbx;
- ext = from + sizeof(MAILBOX_t);
- }
+ from = pmbx;
+ ext = from + sizeof(MAILBOX_t);
pmboxq->context2 = ext;
pmboxq->in_ext_byte_len =
mbox_req->inExtWLen * sizeof(uint32_t);
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-04 05:57:17 +0000