1 files changed, 24 insertions, 14 deletions

diff --git a/drivers/infiniband/hw/bnxt_re/qplib_rcfw.c b/drivers/infiniband/hw/bnxt_re/qplib_rcfw.c
index be4e33e9f962..19551aa43850 100644
--- a/drivers/infiniband/hw/bnxt_re/qplib_rcfw.c
+++ b/drivers/infiniband/hw/bnxt_re/qplib_rcfw.c
@@ -58,7 +58,7 @@ static int __wait_for_resp(struct bnxt_qplib_rcfw *rcfw, u16 cookie)
 	u16 cbit;
 	int rc;
 
-	cbit = cookie % RCFW_MAX_OUTSTANDING_CMD;
+	cbit = cookie % rcfw->cmdq_depth;
 	rc = wait_event_timeout(rcfw->waitq,
 				!test_bit(cbit, rcfw->cmdq_bitmap),
 				msecs_to_jiffies(RCFW_CMD_WAIT_TIME_MS));
@@ -70,7 +70,7 @@ static int __block_for_resp(struct bnxt_qplib_rcfw *rcfw, u16 cookie)
 	u32 count = RCFW_BLOCKED_CMD_WAIT_COUNT;
 	u16 cbit;
 
-	cbit = cookie % RCFW_MAX_OUTSTANDING_CMD;
+	cbit = cookie % rcfw->cmdq_depth;
 	if (!test_bit(cbit, rcfw->cmdq_bitmap))
 		goto done;
 	do {
@@ -86,6 +86,7 @@ static int __send_message(struct bnxt_qplib_rcfw *rcfw, struct cmdq_base *req,
 {
 	struct bnxt_qplib_cmdqe *cmdqe, **cmdq_ptr;
 	struct bnxt_qplib_hwq *cmdq = &rcfw->cmdq;
+	u32 cmdq_depth = rcfw->cmdq_depth;
 	struct bnxt_qplib_crsq *crsqe;
 	u32 sw_prod, cmdq_prod;
 	unsigned long flags;
@@ -124,7 +125,7 @@ static int __send_message(struct bnxt_qplib_rcfw *rcfw, struct cmdq_base *req,
 
 
 	cookie = rcfw->seq_num & RCFW_MAX_COOKIE_VALUE;
-	cbit = cookie % RCFW_MAX_OUTSTANDING_CMD;
+	cbit = cookie % rcfw->cmdq_depth;
 	if (is_block)
 		cookie |= RCFW_CMD_IS_BLOCKING;
 
@@ -153,7 +154,8 @@ static int __send_message(struct bnxt_qplib_rcfw *rcfw, struct cmdq_base *req,
 	do {
 		/* Locate the next cmdq slot */
 		sw_prod = HWQ_CMP(cmdq->prod, cmdq);
-		cmdqe = &cmdq_ptr[get_cmdq_pg(sw_prod)][get_cmdq_idx(sw_prod)];
+		cmdqe = &cmdq_ptr[get_cmdq_pg(sw_prod, cmdq_depth)]
+				[get_cmdq_idx(sw_prod, cmdq_depth)];
 		if (!cmdqe) {
 			dev_err(&rcfw->pdev->dev,
 				"RCFW request failed with no cmdqe!\n");
@@ -326,7 +328,7 @@ static int bnxt_qplib_process_qp_event(struct bnxt_qplib_rcfw *rcfw,
 		mcookie = qp_event->cookie;
 		blocked = cookie & RCFW_CMD_IS_BLOCKING;
 		cookie &= RCFW_MAX_COOKIE_VALUE;
-		cbit = cookie % RCFW_MAX_OUTSTANDING_CMD;
+		cbit = cookie % rcfw->cmdq_depth;
 		crsqe = &rcfw->crsqe_tbl[cbit];
 		if (crsqe->resp &&
 		    crsqe->resp->cookie  == mcookie) {
@@ -555,6 +557,7 @@ void bnxt_qplib_free_rcfw_channel(struct bnxt_qplib_rcfw *rcfw)
 
 int bnxt_qplib_alloc_rcfw_channel(struct pci_dev *pdev,
 				  struct bnxt_qplib_rcfw *rcfw,
+				  struct bnxt_qplib_ctx *ctx,
 				  int qp_tbl_sz)
 {
 	rcfw->pdev = pdev;
@@ -567,11 +570,18 @@ int bnxt_qplib_alloc_rcfw_channel(struct pci_dev *pdev,
 			"HW channel CREQ allocation failed\n");
 		goto fail;
 	}
-	rcfw->cmdq.max_elements = BNXT_QPLIB_CMDQE_MAX_CNT;
-	if (bnxt_qplib_alloc_init_hwq(rcfw->pdev, &rcfw->cmdq, NULL, 0,
-				      &rcfw->cmdq.max_elements,
-				      BNXT_QPLIB_CMDQE_UNITS, 0, PAGE_SIZE,
-				      HWQ_TYPE_CTX)) {
+	if (ctx->hwrm_intf_ver < HWRM_VERSION_RCFW_CMDQ_DEPTH_CHECK)
+		rcfw->cmdq_depth = BNXT_QPLIB_CMDQE_MAX_CNT_256;
+	else
+		rcfw->cmdq_depth = BNXT_QPLIB_CMDQE_MAX_CNT_8192;
+
+	rcfw->cmdq.max_elements = rcfw->cmdq_depth;
+	if (bnxt_qplib_alloc_init_hwq
+			(rcfw->pdev, &rcfw->cmdq, NULL, 0,
+			 &rcfw->cmdq.max_elements,
+			 BNXT_QPLIB_CMDQE_UNITS, 0,
+			 bnxt_qplib_cmdqe_page_size(rcfw->cmdq_depth),
+			 HWQ_TYPE_CTX)) {
 		dev_err(&rcfw->pdev->dev,
 			"HW channel CMDQ allocation failed\n");
 		goto fail;
@@ -674,7 +684,7 @@ int bnxt_qplib_enable_rcfw_channel(struct pci_dev *pdev,
 	/* General */
 	rcfw->seq_num = 0;
 	set_bit(FIRMWARE_FIRST_FLAG, &rcfw->flags);
-	bmap_size = BITS_TO_LONGS(RCFW_MAX_OUTSTANDING_CMD *
+	bmap_size = BITS_TO_LONGS(rcfw->cmdq_depth *
 				  sizeof(unsigned long));
 	rcfw->cmdq_bitmap = kzalloc(bmap_size, GFP_KERNEL);
 	if (!rcfw->cmdq_bitmap)
@@ -734,7 +744,7 @@ int bnxt_qplib_enable_rcfw_channel(struct pci_dev *pdev,
 
 	init.cmdq_pbl = cpu_to_le64(rcfw->cmdq.pbl[PBL_LVL_0].pg_map_arr[0]);
 	init.cmdq_size_cmdq_lvl = cpu_to_le16(
-		((BNXT_QPLIB_CMDQE_MAX_CNT << CMDQ_INIT_CMDQ_SIZE_SFT) &
+		((rcfw->cmdq_depth << CMDQ_INIT_CMDQ_SIZE_SFT) &
 		 CMDQ_INIT_CMDQ_SIZE_MASK) |
 		((rcfw->cmdq.level << CMDQ_INIT_CMDQ_LVL_SFT) &
 		 CMDQ_INIT_CMDQ_LVL_MASK));
@@ -756,8 +766,8 @@ struct bnxt_qplib_rcfw_sbuf *bnxt_qplib_rcfw_alloc_sbuf(
 		return NULL;
 
 	sbuf->size = size;
-	sbuf->sb = dma_zalloc_coherent(&rcfw->pdev->dev, sbuf->size,
-				       &sbuf->dma_addr, GFP_ATOMIC);
+	sbuf->sb = dma_alloc_coherent(&rcfw->pdev->dev, sbuf->size,
+				      &sbuf->dma_addr, GFP_ATOMIC);
 	if (!sbuf->sb)
 		goto bail;