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path: root/drivers/scsi/lpfc/lpfc_nvmet.c
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Diffstat (limited to 'drivers/scsi/lpfc/lpfc_nvmet.c')
-rw-r--r--drivers/scsi/lpfc/lpfc_nvmet.c103
1 files changed, 30 insertions, 73 deletions
diff --git a/drivers/scsi/lpfc/lpfc_nvmet.c b/drivers/scsi/lpfc/lpfc_nvmet.c
index 9884228800a5..9dc9afe1c255 100644
--- a/drivers/scsi/lpfc/lpfc_nvmet.c
+++ b/drivers/scsi/lpfc/lpfc_nvmet.c
@@ -378,13 +378,6 @@ lpfc_nvmet_ctxbuf_post(struct lpfc_hba *phba, struct lpfc_nvmet_ctxbuf *ctx_buf)
int cpu;
unsigned long iflag;
- if (ctxp->txrdy) {
- dma_pool_free(phba->txrdy_payload_pool, ctxp->txrdy,
- ctxp->txrdy_phys);
- ctxp->txrdy = NULL;
- ctxp->txrdy_phys = 0;
- }
-
if (ctxp->state == LPFC_NVMET_STE_FREE) {
lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR,
"6411 NVMET free, already free IO x%x: %d %d\n",
@@ -430,7 +423,6 @@ lpfc_nvmet_ctxbuf_post(struct lpfc_hba *phba, struct lpfc_nvmet_ctxbuf *ctx_buf)
ctxp = (struct lpfc_nvmet_rcv_ctx *)ctx_buf->context;
ctxp->wqeq = NULL;
- ctxp->txrdy = NULL;
ctxp->offset = 0;
ctxp->phba = phba;
ctxp->size = size;
@@ -1958,12 +1950,10 @@ lpfc_nvmet_unsol_ls_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
uint32_t *payload;
uint32_t size, oxid, sid, rc;
- fc_hdr = (struct fc_frame_header *)(nvmebuf->hbuf.virt);
- oxid = be16_to_cpu(fc_hdr->fh_ox_id);
- if (!phba->targetport) {
+ if (!nvmebuf || !phba->targetport) {
lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR,
- "6154 LS Drop IO x%x\n", oxid);
+ "6154 LS Drop IO\n");
oxid = 0;
size = 0;
sid = 0;
@@ -1971,6 +1961,9 @@ lpfc_nvmet_unsol_ls_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
goto dropit;
}
+ fc_hdr = (struct fc_frame_header *)(nvmebuf->hbuf.virt);
+ oxid = be16_to_cpu(fc_hdr->fh_ox_id);
+
tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private;
payload = (uint32_t *)(nvmebuf->dbuf.virt);
size = bf_get(lpfc_rcqe_length, &nvmebuf->cq_event.cqe.rcqe_cmpl);
@@ -2326,7 +2319,6 @@ lpfc_nvmet_unsol_fcp_buffer(struct lpfc_hba *phba,
ctxp->state, ctxp->entry_cnt, ctxp->oxid);
}
ctxp->wqeq = NULL;
- ctxp->txrdy = NULL;
ctxp->offset = 0;
ctxp->phba = phba;
ctxp->size = size;
@@ -2401,6 +2393,11 @@ lpfc_nvmet_unsol_ls_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
d_buf = piocb->context2;
nvmebuf = container_of(d_buf, struct hbq_dmabuf, dbuf);
+ if (!nvmebuf) {
+ lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR,
+ "3015 LS Drop IO\n");
+ return;
+ }
if (phba->nvmet_support == 0) {
lpfc_in_buf_free(phba, &nvmebuf->dbuf);
return;
@@ -2429,6 +2426,11 @@ lpfc_nvmet_unsol_fcp_event(struct lpfc_hba *phba,
uint64_t isr_timestamp,
uint8_t cqflag)
{
+ if (!nvmebuf) {
+ lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR,
+ "3167 NVMET FCP Drop IO\n");
+ return;
+ }
if (phba->nvmet_support == 0) {
lpfc_rq_buf_free(phba, &nvmebuf->hbuf);
return;
@@ -2595,7 +2597,6 @@ lpfc_nvmet_prep_fcp_wqe(struct lpfc_hba *phba,
struct scatterlist *sgel;
union lpfc_wqe128 *wqe;
struct ulp_bde64 *bde;
- uint32_t *txrdy;
dma_addr_t physaddr;
int i, cnt;
int do_pbde;
@@ -2757,23 +2758,11 @@ lpfc_nvmet_prep_fcp_wqe(struct lpfc_hba *phba,
&lpfc_treceive_cmd_template.words[3],
sizeof(uint32_t) * 9);
- /* Words 0 - 2 : The first sg segment */
- txrdy = dma_pool_alloc(phba->txrdy_payload_pool,
- GFP_KERNEL, &physaddr);
- if (!txrdy) {
- lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR,
- "6041 Bad txrdy buffer: oxid x%x\n",
- ctxp->oxid);
- return NULL;
- }
- ctxp->txrdy = txrdy;
- ctxp->txrdy_phys = physaddr;
- wqe->fcp_treceive.bde.tus.f.bdeFlags = BUFF_TYPE_BDE_64;
- wqe->fcp_treceive.bde.tus.f.bdeSize = TXRDY_PAYLOAD_LEN;
- wqe->fcp_treceive.bde.addrLow =
- cpu_to_le32(putPaddrLow(physaddr));
- wqe->fcp_treceive.bde.addrHigh =
- cpu_to_le32(putPaddrHigh(physaddr));
+ /* Words 0 - 2 : First SGE is skipped, set invalid BDE type */
+ wqe->fcp_treceive.bde.tus.f.bdeFlags = LPFC_SGE_TYPE_SKIP;
+ wqe->fcp_treceive.bde.tus.f.bdeSize = 0;
+ wqe->fcp_treceive.bde.addrLow = 0;
+ wqe->fcp_treceive.bde.addrHigh = 0;
/* Word 4 */
wqe->fcp_treceive.relative_offset = ctxp->offset;
@@ -2808,17 +2797,13 @@ lpfc_nvmet_prep_fcp_wqe(struct lpfc_hba *phba,
/* Word 12 */
wqe->fcp_tsend.fcp_data_len = rsp->transfer_length;
- /* Setup 1 TXRDY and 1 SKIP SGE */
- txrdy[0] = 0;
- txrdy[1] = cpu_to_be32(rsp->transfer_length);
- txrdy[2] = 0;
-
- sgl->addr_hi = putPaddrHigh(physaddr);
- sgl->addr_lo = putPaddrLow(physaddr);
+ /* Setup 2 SKIP SGEs */
+ sgl->addr_hi = 0;
+ sgl->addr_lo = 0;
sgl->word2 = 0;
- bf_set(lpfc_sli4_sge_type, sgl, LPFC_SGE_TYPE_DATA);
+ bf_set(lpfc_sli4_sge_type, sgl, LPFC_SGE_TYPE_SKIP);
sgl->word2 = cpu_to_le32(sgl->word2);
- sgl->sge_len = cpu_to_le32(TXRDY_PAYLOAD_LEN);
+ sgl->sge_len = 0;
sgl++;
sgl->addr_hi = 0;
sgl->addr_lo = 0;
@@ -3239,9 +3224,9 @@ lpfc_nvmet_sol_fcp_issue_abort(struct lpfc_hba *phba,
{
struct lpfc_nvmet_tgtport *tgtp;
struct lpfc_iocbq *abts_wqeq;
- union lpfc_wqe128 *abts_wqe;
struct lpfc_nodelist *ndlp;
unsigned long flags;
+ u8 opt;
int rc;
tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private;
@@ -3280,8 +3265,8 @@ lpfc_nvmet_sol_fcp_issue_abort(struct lpfc_hba *phba,
return 0;
}
abts_wqeq = ctxp->abort_wqeq;
- abts_wqe = &abts_wqeq->wqe;
ctxp->state = LPFC_NVMET_STE_ABORT;
+ opt = (ctxp->flag & LPFC_NVMET_ABTS_RCV) ? INHIBIT_ABORT : 0;
spin_unlock_irqrestore(&ctxp->ctxlock, flags);
/* Announce entry to new IO submit field. */
@@ -3327,40 +3312,12 @@ lpfc_nvmet_sol_fcp_issue_abort(struct lpfc_hba *phba,
/* Ready - mark outstanding as aborted by driver. */
abts_wqeq->iocb_flag |= LPFC_DRIVER_ABORTED;
- /* WQEs are reused. Clear stale data and set key fields to
- * zero like ia, iaab, iaar, xri_tag, and ctxt_tag.
- */
- memset(abts_wqe, 0, sizeof(*abts_wqe));
-
- /* word 3 */
- bf_set(abort_cmd_criteria, &abts_wqe->abort_cmd, T_XRI_TAG);
-
- /* word 7 */
- bf_set(wqe_ct, &abts_wqe->abort_cmd.wqe_com, 0);
- bf_set(wqe_cmnd, &abts_wqe->abort_cmd.wqe_com, CMD_ABORT_XRI_CX);
-
- /* word 8 - tell the FW to abort the IO associated with this
- * outstanding exchange ID.
- */
- abts_wqe->abort_cmd.wqe_com.abort_tag = ctxp->wqeq->sli4_xritag;
-
- /* word 9 - this is the iotag for the abts_wqe completion. */
- bf_set(wqe_reqtag, &abts_wqe->abort_cmd.wqe_com,
- abts_wqeq->iotag);
-
- /* word 10 */
- bf_set(wqe_qosd, &abts_wqe->abort_cmd.wqe_com, 1);
- bf_set(wqe_lenloc, &abts_wqe->abort_cmd.wqe_com, LPFC_WQE_LENLOC_NONE);
-
- /* word 11 */
- bf_set(wqe_cmd_type, &abts_wqe->abort_cmd.wqe_com, OTHER_COMMAND);
- bf_set(wqe_wqec, &abts_wqe->abort_cmd.wqe_com, 1);
- bf_set(wqe_cqid, &abts_wqe->abort_cmd.wqe_com, LPFC_WQE_CQ_ID_DEFAULT);
+ lpfc_nvme_prep_abort_wqe(abts_wqeq, ctxp->wqeq->sli4_xritag, opt);
/* ABTS WQE must go to the same WQ as the WQE to be aborted */
abts_wqeq->hba_wqidx = ctxp->wqeq->hba_wqidx;
abts_wqeq->wqe_cmpl = lpfc_nvmet_sol_fcp_abort_cmp;
- abts_wqeq->iocb_cmpl = 0;
+ abts_wqeq->iocb_cmpl = NULL;
abts_wqeq->iocb_flag |= LPFC_IO_NVME;
abts_wqeq->context2 = ctxp;
abts_wqeq->vport = phba->pport;
@@ -3495,7 +3452,7 @@ lpfc_nvmet_unsol_ls_issue_abort(struct lpfc_hba *phba,
spin_lock_irqsave(&phba->hbalock, flags);
abts_wqeq->wqe_cmpl = lpfc_nvmet_xmt_ls_abort_cmp;
- abts_wqeq->iocb_cmpl = 0;
+ abts_wqeq->iocb_cmpl = NULL;
abts_wqeq->iocb_flag |= LPFC_IO_NVME_LS;
rc = lpfc_sli4_issue_wqe(phba, ctxp->hdwq, abts_wqeq);
spin_unlock_irqrestore(&phba->hbalock, flags);
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.