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Diffstat (limited to 'drivers/infiniband/hw/bnxt_re/qplib_sp.c')
-rw-r--r--drivers/infiniband/hw/bnxt_re/qplib_sp.c838
1 files changed, 838 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/bnxt_re/qplib_sp.c b/drivers/infiniband/hw/bnxt_re/qplib_sp.c
new file mode 100644
index 000000000000..7b31eccedf11
--- /dev/null
+++ b/drivers/infiniband/hw/bnxt_re/qplib_sp.c
@@ -0,0 +1,838 @@
+/*
+ * Broadcom NetXtreme-E RoCE driver.
+ *
+ * Copyright (c) 2016 - 2017, Broadcom. All rights reserved. The term
+ * Broadcom refers to Broadcom Limited and/or its subsidiaries.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses. You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * BSD license below:
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS''
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
+ * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
+ * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * Description: Slow Path Operators
+ */
+
+#include <linux/interrupt.h>
+#include <linux/spinlock.h>
+#include <linux/sched.h>
+#include <linux/pci.h>
+
+#include "roce_hsi.h"
+
+#include "qplib_res.h"
+#include "qplib_rcfw.h"
+#include "qplib_sp.h"
+
+const struct bnxt_qplib_gid bnxt_qplib_gid_zero = {{ 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0 } };
+
+/* Device */
+int bnxt_qplib_get_dev_attr(struct bnxt_qplib_rcfw *rcfw,
+ struct bnxt_qplib_dev_attr *attr)
+{
+ struct cmdq_query_func req;
+ struct creq_query_func_resp *resp;
+ struct creq_query_func_resp_sb *sb;
+ u16 cmd_flags = 0;
+ u32 temp;
+ u8 *tqm_alloc;
+ int i;
+
+ RCFW_CMD_PREP(req, QUERY_FUNC, cmd_flags);
+
+ req.resp_size = sizeof(*sb) / BNXT_QPLIB_CMDQE_UNITS;
+ resp = (struct creq_query_func_resp *)
+ bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, (void **)&sb,
+ 0);
+ if (!resp) {
+ dev_err(&rcfw->pdev->dev, "QPLIB: SP: QUERY_FUNC send failed");
+ return -EINVAL;
+ }
+ if (!bnxt_qplib_rcfw_wait_for_resp(rcfw, le16_to_cpu(req.cookie))) {
+ /* Cmd timed out */
+ dev_err(&rcfw->pdev->dev, "QPLIB: SP: QUERY_FUNC timed out");
+ return -ETIMEDOUT;
+ }
+ if (resp->status ||
+ le16_to_cpu(resp->cookie) != le16_to_cpu(req.cookie)) {
+ dev_err(&rcfw->pdev->dev, "QPLIB: SP: QUERY_FUNC failed ");
+ dev_err(&rcfw->pdev->dev,
+ "QPLIB: with status 0x%x cmdq 0x%x resp 0x%x",
+ resp->status, le16_to_cpu(req.cookie),
+ le16_to_cpu(resp->cookie));
+ return -EINVAL;
+ }
+ /* Extract the context from the side buffer */
+ attr->max_qp = le32_to_cpu(sb->max_qp);
+ attr->max_qp_rd_atom =
+ sb->max_qp_rd_atom > BNXT_QPLIB_MAX_OUT_RD_ATOM ?
+ BNXT_QPLIB_MAX_OUT_RD_ATOM : sb->max_qp_rd_atom;
+ attr->max_qp_init_rd_atom =
+ sb->max_qp_init_rd_atom > BNXT_QPLIB_MAX_OUT_RD_ATOM ?
+ BNXT_QPLIB_MAX_OUT_RD_ATOM : sb->max_qp_init_rd_atom;
+ attr->max_qp_wqes = le16_to_cpu(sb->max_qp_wr);
+ attr->max_qp_sges = sb->max_sge;
+ attr->max_cq = le32_to_cpu(sb->max_cq);
+ attr->max_cq_wqes = le32_to_cpu(sb->max_cqe);
+ attr->max_cq_sges = attr->max_qp_sges;
+ attr->max_mr = le32_to_cpu(sb->max_mr);
+ attr->max_mw = le32_to_cpu(sb->max_mw);
+
+ attr->max_mr_size = le64_to_cpu(sb->max_mr_size);
+ attr->max_pd = 64 * 1024;
+ attr->max_raw_ethy_qp = le32_to_cpu(sb->max_raw_eth_qp);
+ attr->max_ah = le32_to_cpu(sb->max_ah);
+
+ attr->max_fmr = le32_to_cpu(sb->max_fmr);
+ attr->max_map_per_fmr = sb->max_map_per_fmr;
+
+ attr->max_srq = le16_to_cpu(sb->max_srq);
+ attr->max_srq_wqes = le32_to_cpu(sb->max_srq_wr) - 1;
+ attr->max_srq_sges = sb->max_srq_sge;
+ /* Bono only reports 1 PKEY for now, but it can support > 1 */
+ attr->max_pkey = le32_to_cpu(sb->max_pkeys);
+
+ attr->max_inline_data = le32_to_cpu(sb->max_inline_data);
+ attr->l2_db_size = (sb->l2_db_space_size + 1) * PAGE_SIZE;
+ attr->max_sgid = le32_to_cpu(sb->max_gid);
+
+ strlcpy(attr->fw_ver, "20.6.28.0", sizeof(attr->fw_ver));
+
+ for (i = 0; i < MAX_TQM_ALLOC_REQ / 4; i++) {
+ temp = le32_to_cpu(sb->tqm_alloc_reqs[i]);
+ tqm_alloc = (u8 *)&temp;
+ attr->tqm_alloc_reqs[i * 4] = *tqm_alloc;
+ attr->tqm_alloc_reqs[i * 4 + 1] = *(++tqm_alloc);
+ attr->tqm_alloc_reqs[i * 4 + 2] = *(++tqm_alloc);
+ attr->tqm_alloc_reqs[i * 4 + 3] = *(++tqm_alloc);
+ }
+ return 0;
+}
+
+/* SGID */
+int bnxt_qplib_get_sgid(struct bnxt_qplib_res *res,
+ struct bnxt_qplib_sgid_tbl *sgid_tbl, int index,
+ struct bnxt_qplib_gid *gid)
+{
+ if (index > sgid_tbl->max) {
+ dev_err(&res->pdev->dev,
+ "QPLIB: Index %d exceeded SGID table max (%d)",
+ index, sgid_tbl->max);
+ return -EINVAL;
+ }
+ memcpy(gid, &sgid_tbl->tbl[index], sizeof(*gid));
+ return 0;
+}
+
+int bnxt_qplib_del_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl,
+ struct bnxt_qplib_gid *gid, bool update)
+{
+ struct bnxt_qplib_res *res = to_bnxt_qplib(sgid_tbl,
+ struct bnxt_qplib_res,
+ sgid_tbl);
+ struct bnxt_qplib_rcfw *rcfw = res->rcfw;
+ int index;
+
+ if (!sgid_tbl) {
+ dev_err(&res->pdev->dev, "QPLIB: SGID table not allocated");
+ return -EINVAL;
+ }
+ /* Do we need a sgid_lock here? */
+ if (!sgid_tbl->active) {
+ dev_err(&res->pdev->dev,
+ "QPLIB: SGID table has no active entries");
+ return -ENOMEM;
+ }
+ for (index = 0; index < sgid_tbl->max; index++) {
+ if (!memcmp(&sgid_tbl->tbl[index], gid, sizeof(*gid)))
+ break;
+ }
+ if (index == sgid_tbl->max) {
+ dev_warn(&res->pdev->dev, "GID not found in the SGID table");
+ return 0;
+ }
+ /* Remove GID from the SGID table */
+ if (update) {
+ struct cmdq_delete_gid req;
+ struct creq_delete_gid_resp *resp;
+ u16 cmd_flags = 0;
+
+ RCFW_CMD_PREP(req, DELETE_GID, cmd_flags);
+ if (sgid_tbl->hw_id[index] == 0xFFFF) {
+ dev_err(&res->pdev->dev,
+ "QPLIB: GID entry contains an invalid HW id");
+ return -EINVAL;
+ }
+ req.gid_index = cpu_to_le16(sgid_tbl->hw_id[index]);
+ resp = (struct creq_delete_gid_resp *)
+ bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, NULL,
+ 0);
+ if (!resp) {
+ dev_err(&res->pdev->dev,
+ "QPLIB: SP: DELETE_GID send failed");
+ return -EINVAL;
+ }
+ if (!bnxt_qplib_rcfw_wait_for_resp(rcfw,
+ le16_to_cpu(req.cookie))) {
+ /* Cmd timed out */
+ dev_err(&res->pdev->dev,
+ "QPLIB: SP: DELETE_GID timed out");
+ return -ETIMEDOUT;
+ }
+ if (resp->status ||
+ le16_to_cpu(resp->cookie) != le16_to_cpu(req.cookie)) {
+ dev_err(&res->pdev->dev,
+ "QPLIB: SP: DELETE_GID failed ");
+ dev_err(&res->pdev->dev,
+ "QPLIB: with status 0x%x cmdq 0x%x resp 0x%x",
+ resp->status, le16_to_cpu(req.cookie),
+ le16_to_cpu(resp->cookie));
+ return -EINVAL;
+ }
+ }
+ memcpy(&sgid_tbl->tbl[index], &bnxt_qplib_gid_zero,
+ sizeof(bnxt_qplib_gid_zero));
+ sgid_tbl->active--;
+ dev_dbg(&res->pdev->dev,
+ "QPLIB: SGID deleted hw_id[0x%x] = 0x%x active = 0x%x",
+ index, sgid_tbl->hw_id[index], sgid_tbl->active);
+ sgid_tbl->hw_id[index] = (u16)-1;
+
+ /* unlock */
+ return 0;
+}
+
+int bnxt_qplib_add_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl,
+ struct bnxt_qplib_gid *gid, u8 *smac, u16 vlan_id,
+ bool update, u32 *index)
+{
+ struct bnxt_qplib_res *res = to_bnxt_qplib(sgid_tbl,
+ struct bnxt_qplib_res,
+ sgid_tbl);
+ struct bnxt_qplib_rcfw *rcfw = res->rcfw;
+ int i, free_idx, rc = 0;
+
+ if (!sgid_tbl) {
+ dev_err(&res->pdev->dev, "QPLIB: SGID table not allocated");
+ return -EINVAL;
+ }
+ /* Do we need a sgid_lock here? */
+ if (sgid_tbl->active == sgid_tbl->max) {
+ dev_err(&res->pdev->dev, "QPLIB: SGID table is full");
+ return -ENOMEM;
+ }
+ free_idx = sgid_tbl->max;
+ for (i = 0; i < sgid_tbl->max; i++) {
+ if (!memcmp(&sgid_tbl->tbl[i], gid, sizeof(*gid))) {
+ dev_dbg(&res->pdev->dev,
+ "QPLIB: SGID entry already exist in entry %d!",
+ i);
+ *index = i;
+ return -EALREADY;
+ } else if (!memcmp(&sgid_tbl->tbl[i], &bnxt_qplib_gid_zero,
+ sizeof(bnxt_qplib_gid_zero)) &&
+ free_idx == sgid_tbl->max) {
+ free_idx = i;
+ }
+ }
+ if (free_idx == sgid_tbl->max) {
+ dev_err(&res->pdev->dev,
+ "QPLIB: SGID table is FULL but count is not MAX??");
+ return -ENOMEM;
+ }
+ if (update) {
+ struct cmdq_add_gid req;
+ struct creq_add_gid_resp *resp;
+ u16 cmd_flags = 0;
+ u32 temp32[4];
+ u16 temp16[3];
+
+ RCFW_CMD_PREP(req, ADD_GID, cmd_flags);
+
+ memcpy(temp32, gid->data, sizeof(struct bnxt_qplib_gid));
+ req.gid[0] = cpu_to_be32(temp32[3]);
+ req.gid[1] = cpu_to_be32(temp32[2]);
+ req.gid[2] = cpu_to_be32(temp32[1]);
+ req.gid[3] = cpu_to_be32(temp32[0]);
+ if (vlan_id != 0xFFFF)
+ req.vlan = cpu_to_le16((vlan_id &
+ CMDQ_ADD_GID_VLAN_VLAN_ID_MASK) |
+ CMDQ_ADD_GID_VLAN_TPID_TPID_8100 |
+ CMDQ_ADD_GID_VLAN_VLAN_EN);
+
+ /* MAC in network format */
+ memcpy(temp16, smac, 6);
+ req.src_mac[0] = cpu_to_be16(temp16[0]);
+ req.src_mac[1] = cpu_to_be16(temp16[1]);
+ req.src_mac[2] = cpu_to_be16(temp16[2]);
+
+ resp = (struct creq_add_gid_resp *)
+ bnxt_qplib_rcfw_send_message(rcfw, (void *)&req,
+ NULL, 0);
+ if (!resp) {
+ dev_err(&res->pdev->dev,
+ "QPLIB: SP: ADD_GID send failed");
+ return -EINVAL;
+ }
+ if (!bnxt_qplib_rcfw_wait_for_resp(rcfw,
+ le16_to_cpu(req.cookie))) {
+ /* Cmd timed out */
+ dev_err(&res->pdev->dev,
+ "QPIB: SP: ADD_GID timed out");
+ return -ETIMEDOUT;
+ }
+ if (resp->status ||
+ le16_to_cpu(resp->cookie) != le16_to_cpu(req.cookie)) {
+ dev_err(&res->pdev->dev, "QPLIB: SP: ADD_GID failed ");
+ dev_err(&res->pdev->dev,
+ "QPLIB: with status 0x%x cmdq 0x%x resp 0x%x",
+ resp->status, le16_to_cpu(req.cookie),
+ le16_to_cpu(resp->cookie));
+ return -EINVAL;
+ }
+ sgid_tbl->hw_id[free_idx] = le32_to_cpu(resp->xid);
+ }
+ /* Add GID to the sgid_tbl */
+ memcpy(&sgid_tbl->tbl[free_idx], gid, sizeof(*gid));
+ sgid_tbl->active++;
+ dev_dbg(&res->pdev->dev,
+ "QPLIB: SGID added hw_id[0x%x] = 0x%x active = 0x%x",
+ free_idx, sgid_tbl->hw_id[free_idx], sgid_tbl->active);
+
+ *index = free_idx;
+ /* unlock */
+ return rc;
+}
+
+/* pkeys */
+int bnxt_qplib_get_pkey(struct bnxt_qplib_res *res,
+ struct bnxt_qplib_pkey_tbl *pkey_tbl, u16 index,
+ u16 *pkey)
+{
+ if (index == 0xFFFF) {
+ *pkey = 0xFFFF;
+ return 0;
+ }
+ if (index > pkey_tbl->max) {
+ dev_err(&res->pdev->dev,
+ "QPLIB: Index %d exceeded PKEY table max (%d)",
+ index, pkey_tbl->max);
+ return -EINVAL;
+ }
+ memcpy(pkey, &pkey_tbl->tbl[index], sizeof(*pkey));
+ return 0;
+}
+
+int bnxt_qplib_del_pkey(struct bnxt_qplib_res *res,
+ struct bnxt_qplib_pkey_tbl *pkey_tbl, u16 *pkey,
+ bool update)
+{
+ int i, rc = 0;
+
+ if (!pkey_tbl) {
+ dev_err(&res->pdev->dev, "QPLIB: PKEY table not allocated");
+ return -EINVAL;
+ }
+
+ /* Do we need a pkey_lock here? */
+ if (!pkey_tbl->active) {
+ dev_err(&res->pdev->dev,
+ "QPLIB: PKEY table has no active entries");
+ return -ENOMEM;
+ }
+ for (i = 0; i < pkey_tbl->max; i++) {
+ if (!memcmp(&pkey_tbl->tbl[i], pkey, sizeof(*pkey)))
+ break;
+ }
+ if (i == pkey_tbl->max) {
+ dev_err(&res->pdev->dev,
+ "QPLIB: PKEY 0x%04x not found in the pkey table",
+ *pkey);
+ return -ENOMEM;
+ }
+ memset(&pkey_tbl->tbl[i], 0, sizeof(*pkey));
+ pkey_tbl->active--;
+
+ /* unlock */
+ return rc;
+}
+
+int bnxt_qplib_add_pkey(struct bnxt_qplib_res *res,
+ struct bnxt_qplib_pkey_tbl *pkey_tbl, u16 *pkey,
+ bool update)
+{
+ int i, free_idx, rc = 0;
+
+ if (!pkey_tbl) {
+ dev_err(&res->pdev->dev, "QPLIB: PKEY table not allocated");
+ return -EINVAL;
+ }
+
+ /* Do we need a pkey_lock here? */
+ if (pkey_tbl->active == pkey_tbl->max) {
+ dev_err(&res->pdev->dev, "QPLIB: PKEY table is full");
+ return -ENOMEM;
+ }
+ free_idx = pkey_tbl->max;
+ for (i = 0; i < pkey_tbl->max; i++) {
+ if (!memcmp(&pkey_tbl->tbl[i], pkey, sizeof(*pkey)))
+ return -EALREADY;
+ else if (!pkey_tbl->tbl[i] && free_idx == pkey_tbl->max)
+ free_idx = i;
+ }
+ if (free_idx == pkey_tbl->max) {
+ dev_err(&res->pdev->dev,
+ "QPLIB: PKEY table is FULL but count is not MAX??");
+ return -ENOMEM;
+ }
+ /* Add PKEY to the pkey_tbl */
+ memcpy(&pkey_tbl->tbl[free_idx], pkey, sizeof(*pkey));
+ pkey_tbl->active++;
+
+ /* unlock */
+ return rc;
+}
+
+/* AH */
+int bnxt_qplib_create_ah(struct bnxt_qplib_res *res, struct bnxt_qplib_ah *ah)
+{
+ struct bnxt_qplib_rcfw *rcfw = res->rcfw;
+ struct cmdq_create_ah req;
+ struct creq_create_ah_resp *resp;
+ u16 cmd_flags = 0;
+ u32 temp32[4];
+ u16 temp16[3];
+
+ RCFW_CMD_PREP(req, CREATE_AH, cmd_flags);
+
+ memcpy(temp32, ah->dgid.data, sizeof(struct bnxt_qplib_gid));
+ req.dgid[0] = cpu_to_le32(temp32[0]);
+ req.dgid[1] = cpu_to_le32(temp32[1]);
+ req.dgid[2] = cpu_to_le32(temp32[2]);
+ req.dgid[3] = cpu_to_le32(temp32[3]);
+
+ req.type = ah->nw_type;
+ req.hop_limit = ah->hop_limit;
+ req.sgid_index = cpu_to_le16(res->sgid_tbl.hw_id[ah->sgid_index]);
+ req.dest_vlan_id_flow_label = cpu_to_le32((ah->flow_label &
+ CMDQ_CREATE_AH_FLOW_LABEL_MASK) |
+ CMDQ_CREATE_AH_DEST_VLAN_ID_MASK);
+ req.pd_id = cpu_to_le32(ah->pd->id);
+ req.traffic_class = ah->traffic_class;
+
+ /* MAC in network format */
+ memcpy(temp16, ah->dmac, 6);
+ req.dest_mac[0] = cpu_to_le16(temp16[0]);
+ req.dest_mac[1] = cpu_to_le16(temp16[1]);
+ req.dest_mac[2] = cpu_to_le16(temp16[2]);
+
+ resp = (struct creq_create_ah_resp *)
+ bnxt_qplib_rcfw_send_message(rcfw, (void *)&req,
+ NULL, 1);
+ if (!resp) {
+ dev_err(&rcfw->pdev->dev, "QPLIB: SP: CREATE_AH send failed");
+ return -EINVAL;
+ }
+ if (!bnxt_qplib_rcfw_block_for_resp(rcfw, le16_to_cpu(req.cookie))) {
+ /* Cmd timed out */
+ dev_err(&rcfw->pdev->dev, "QPLIB: SP: CREATE_AH timed out");
+ return -ETIMEDOUT;
+ }
+ if (resp->status ||
+ le16_to_cpu(resp->cookie) != le16_to_cpu(req.cookie)) {
+ dev_err(&rcfw->pdev->dev, "QPLIB: SP: CREATE_AH failed ");
+ dev_err(&rcfw->pdev->dev,
+ "QPLIB: with status 0x%x cmdq 0x%x resp 0x%x",
+ resp->status, le16_to_cpu(req.cookie),
+ le16_to_cpu(resp->cookie));
+ return -EINVAL;
+ }
+ ah->id = le32_to_cpu(resp->xid);
+ return 0;
+}
+
+int bnxt_qplib_destroy_ah(struct bnxt_qplib_res *res, struct bnxt_qplib_ah *ah)
+{
+ struct bnxt_qplib_rcfw *rcfw = res->rcfw;
+ struct cmdq_destroy_ah req;
+ struct creq_destroy_ah_resp *resp;
+ u16 cmd_flags = 0;
+
+ /* Clean up the AH table in the device */
+ RCFW_CMD_PREP(req, DESTROY_AH, cmd_flags);
+
+ req.ah_cid = cpu_to_le32(ah->id);
+
+ resp = (struct creq_destroy_ah_resp *)
+ bnxt_qplib_rcfw_send_message(rcfw, (void *)&req,
+ NULL, 1);
+ if (!resp) {
+ dev_err(&rcfw->pdev->dev, "QPLIB: SP: DESTROY_AH send failed");
+ return -EINVAL;
+ }
+ if (!bnxt_qplib_rcfw_block_for_resp(rcfw, le16_to_cpu(req.cookie))) {
+ /* Cmd timed out */
+ dev_err(&rcfw->pdev->dev, "QPLIB: SP: DESTROY_AH timed out");
+ return -ETIMEDOUT;
+ }
+ if (resp->status ||
+ le16_to_cpu(resp->cookie) != le16_to_cpu(req.cookie)) {
+ dev_err(&rcfw->pdev->dev, "QPLIB: SP: DESTROY_AH failed ");
+ dev_err(&rcfw->pdev->dev,
+ "QPLIB: with status 0x%x cmdq 0x%x resp 0x%x",
+ resp->status, le16_to_cpu(req.cookie),
+ le16_to_cpu(resp->cookie));
+ return -EINVAL;
+ }
+ return 0;
+}
+
+/* MRW */
+int bnxt_qplib_free_mrw(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mrw)
+{
+ struct bnxt_qplib_rcfw *rcfw = res->rcfw;
+ struct cmdq_deallocate_key req;
+ struct creq_deallocate_key_resp *resp;
+ u16 cmd_flags = 0;
+
+ if (mrw->lkey == 0xFFFFFFFF) {
+ dev_info(&res->pdev->dev,
+ "QPLIB: SP: Free a reserved lkey MRW");
+ return 0;
+ }
+
+ RCFW_CMD_PREP(req, DEALLOCATE_KEY, cmd_flags);
+
+ req.mrw_flags = mrw->type;
+
+ if ((mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE1) ||
+ (mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE2A) ||
+ (mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE2B))
+ req.key = cpu_to_le32(mrw->rkey);
+ else
+ req.key = cpu_to_le32(mrw->lkey);
+
+ resp = (struct creq_deallocate_key_resp *)
+ bnxt_qplib_rcfw_send_message(rcfw, (void *)&req,
+ NULL, 0);
+ if (!resp) {
+ dev_err(&res->pdev->dev, "QPLIB: SP: FREE_MR send failed");
+ return -EINVAL;
+ }
+ if (!bnxt_qplib_rcfw_wait_for_resp(rcfw, le16_to_cpu(req.cookie))) {
+ /* Cmd timed out */
+ dev_err(&res->pdev->dev, "QPLIB: SP: FREE_MR timed out");
+ return -ETIMEDOUT;
+ }
+ if (resp->status ||
+ le16_to_cpu(resp->cookie) != le16_to_cpu(req.cookie)) {
+ dev_err(&res->pdev->dev, "QPLIB: SP: FREE_MR failed ");
+ dev_err(&res->pdev->dev,
+ "QPLIB: with status 0x%x cmdq 0x%x resp 0x%x",
+ resp->status, le16_to_cpu(req.cookie),
+ le16_to_cpu(resp->cookie));
+ return -EINVAL;
+ }
+ /* Free the qplib's MRW memory */
+ if (mrw->hwq.max_elements)
+ bnxt_qplib_free_hwq(res->pdev, &mrw->hwq);
+
+ return 0;
+}
+
+int bnxt_qplib_alloc_mrw(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mrw)
+{
+ struct bnxt_qplib_rcfw *rcfw = res->rcfw;
+ struct cmdq_allocate_mrw req;
+ struct creq_allocate_mrw_resp *resp;
+ u16 cmd_flags = 0;
+ unsigned long tmp;
+
+ RCFW_CMD_PREP(req, ALLOCATE_MRW, cmd_flags);
+
+ req.pd_id = cpu_to_le32(mrw->pd->id);
+ req.mrw_flags = mrw->type;
+ if ((mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_PMR &&
+ mrw->flags & BNXT_QPLIB_FR_PMR) ||
+ mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE2A ||
+ mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE2B)
+ req.access = CMDQ_ALLOCATE_MRW_ACCESS_CONSUMER_OWNED_KEY;
+ tmp = (unsigned long)mrw;
+ req.mrw_handle = cpu_to_le64(tmp);
+
+ resp = (struct creq_allocate_mrw_resp *)
+ bnxt_qplib_rcfw_send_message(rcfw, (void *)&req,
+ NULL, 0);
+ if (!resp) {
+ dev_err(&rcfw->pdev->dev, "QPLIB: SP: ALLOC_MRW send failed");
+ return -EINVAL;
+ }
+ if (!bnxt_qplib_rcfw_wait_for_resp(rcfw, le16_to_cpu(req.cookie))) {
+ /* Cmd timed out */
+ dev_err(&rcfw->pdev->dev, "QPLIB: SP: ALLOC_MRW timed out");
+ return -ETIMEDOUT;
+ }
+ if (resp->status ||
+ le16_to_cpu(resp->cookie) != le16_to_cpu(req.cookie)) {
+ dev_err(&rcfw->pdev->dev, "QPLIB: SP: ALLOC_MRW failed ");
+ dev_err(&rcfw->pdev->dev,
+ "QPLIB: with status 0x%x cmdq 0x%x resp 0x%x",
+ resp->status, le16_to_cpu(req.cookie),
+ le16_to_cpu(resp->cookie));
+ return -EINVAL;
+ }
+ if ((mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE1) ||
+ (mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE2A) ||
+ (mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE2B))
+ mrw->rkey = le32_to_cpu(resp->xid);
+ else
+ mrw->lkey = le32_to_cpu(resp->xid);
+ return 0;
+}
+
+int bnxt_qplib_dereg_mrw(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mrw,
+ bool block)
+{
+ struct bnxt_qplib_rcfw *rcfw = res->rcfw;
+ struct cmdq_deregister_mr req;
+ struct creq_deregister_mr_resp *resp;
+ u16 cmd_flags = 0;
+ int rc;
+
+ RCFW_CMD_PREP(req, DEREGISTER_MR, cmd_flags);
+
+ req.lkey = cpu_to_le32(mrw->lkey);
+ resp = (struct creq_deregister_mr_resp *)
+ bnxt_qplib_rcfw_send_message(rcfw, (void *)&req,
+ NULL, block);
+ if (!resp) {
+ dev_err(&rcfw->pdev->dev, "QPLIB: SP: DEREG_MR send failed");
+ return -EINVAL;
+ }
+ if (block)
+ rc = bnxt_qplib_rcfw_block_for_resp(rcfw,
+ le16_to_cpu(req.cookie));
+ else
+ rc = bnxt_qplib_rcfw_wait_for_resp(rcfw,
+ le16_to_cpu(req.cookie));
+ if (!rc) {
+ /* Cmd timed out */
+ dev_err(&res->pdev->dev, "QPLIB: SP: DEREG_MR timed out");
+ return -ETIMEDOUT;
+ }
+ if (resp->status ||
+ le16_to_cpu(resp->cookie) != le16_to_cpu(req.cookie)) {
+ dev_err(&rcfw->pdev->dev, "QPLIB: SP: DEREG_MR failed ");
+ dev_err(&rcfw->pdev->dev,
+ "QPLIB: with status 0x%x cmdq 0x%x resp 0x%x",
+ resp->status, le16_to_cpu(req.cookie),
+ le16_to_cpu(resp->cookie));
+ return -EINVAL;
+ }
+
+ /* Free the qplib's MR memory */
+ if (mrw->hwq.max_elements) {
+ mrw->va = 0;
+ mrw->total_size = 0;
+ bnxt_qplib_free_hwq(res->pdev, &mrw->hwq);
+ }
+
+ return 0;
+}
+
+int bnxt_qplib_reg_mr(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mr,
+ u64 *pbl_tbl, int num_pbls, bool block)
+{
+ struct bnxt_qplib_rcfw *rcfw = res->rcfw;
+ struct cmdq_register_mr req;
+ struct creq_register_mr_resp *resp;
+ u16 cmd_flags = 0, level;
+ int pg_ptrs, pages, i, rc;
+ dma_addr_t **pbl_ptr;
+ u32 pg_size;
+
+ if (num_pbls) {
+ pg_ptrs = roundup_pow_of_two(num_pbls);
+ pages = pg_ptrs >> MAX_PBL_LVL_1_PGS_SHIFT;
+ if (!pages)
+ pages++;
+
+ if (pages > MAX_PBL_LVL_1_PGS) {
+ dev_err(&res->pdev->dev, "QPLIB: SP: Reg MR pages ");
+ dev_err(&res->pdev->dev,
+ "requested (0x%x) exceeded max (0x%x)",
+ pages, MAX_PBL_LVL_1_PGS);
+ return -ENOMEM;
+ }
+ /* Free the hwq if it already exist, must be a rereg */
+ if (mr->hwq.max_elements)
+ bnxt_qplib_free_hwq(res->pdev, &mr->hwq);
+
+ mr->hwq.max_elements = pages;
+ rc = bnxt_qplib_alloc_init_hwq(res->pdev, &mr->hwq, NULL, 0,
+ &mr->hwq.max_elements,
+ PAGE_SIZE, 0, PAGE_SIZE,
+ HWQ_TYPE_CTX);
+ if (rc) {
+ dev_err(&res->pdev->dev,
+ "SP: Reg MR memory allocation failed");
+ return -ENOMEM;
+ }
+ /* Write to the hwq */
+ pbl_ptr = (dma_addr_t **)mr->hwq.pbl_ptr;
+ for (i = 0; i < num_pbls; i++)
+ pbl_ptr[PTR_PG(i)][PTR_IDX(i)] =
+ (pbl_tbl[i] & PAGE_MASK) | PTU_PTE_VALID;
+ }
+
+ RCFW_CMD_PREP(req, REGISTER_MR, cmd_flags);
+
+ /* Configure the request */
+ if (mr->hwq.level == PBL_LVL_MAX) {
+ level = 0;
+ req.pbl = 0;
+ pg_size = PAGE_SIZE;
+ } else {
+ level = mr->hwq.level + 1;
+ req.pbl = cpu_to_le64(mr->hwq.pbl[PBL_LVL_0].pg_map_arr[0]);
+ pg_size = mr->hwq.pbl[PBL_LVL_0].pg_size;
+ }
+ req.log2_pg_size_lvl = (level << CMDQ_REGISTER_MR_LVL_SFT) |
+ ((ilog2(pg_size) <<
+ CMDQ_REGISTER_MR_LOG2_PG_SIZE_SFT) &
+ CMDQ_REGISTER_MR_LOG2_PG_SIZE_MASK);
+ req.access = (mr->flags & 0xFFFF);
+ req.va = cpu_to_le64(mr->va);
+ req.key = cpu_to_le32(mr->lkey);
+ req.mr_size = cpu_to_le64(mr->total_size);
+
+ resp = (struct creq_register_mr_resp *)
+ bnxt_qplib_rcfw_send_message(rcfw, (void *)&req,
+ NULL, block);
+ if (!resp) {
+ dev_err(&res->pdev->dev, "SP: REG_MR send failed");
+ rc = -EINVAL;
+ goto fail;
+ }
+ if (block)
+ rc = bnxt_qplib_rcfw_block_for_resp(rcfw,
+ le16_to_cpu(req.cookie));
+ else
+ rc = bnxt_qplib_rcfw_wait_for_resp(rcfw,
+ le16_to_cpu(req.cookie));
+ if (!rc) {
+ /* Cmd timed out */
+ dev_err(&res->pdev->dev, "SP: REG_MR timed out");
+ rc = -ETIMEDOUT;
+ goto fail;
+ }
+ if (resp->status ||
+ le16_to_cpu(resp->cookie) != le16_to_cpu(req.cookie)) {
+ dev_err(&res->pdev->dev, "QPLIB: SP: REG_MR failed ");
+ dev_err(&res->pdev->dev,
+ "QPLIB: SP: with status 0x%x cmdq 0x%x resp 0x%x",
+ resp->status, le16_to_cpu(req.cookie),
+ le16_to_cpu(resp->cookie));
+ rc = -EINVAL;
+ goto fail;
+ }
+ return 0;
+
+fail:
+ if (mr->hwq.max_elements)
+ bnxt_qplib_free_hwq(res->pdev, &mr->hwq);
+ return rc;
+}
+
+int bnxt_qplib_alloc_fast_reg_page_list(struct bnxt_qplib_res *res,
+ struct bnxt_qplib_frpl *frpl,
+ int max_pg_ptrs)
+{
+ int pg_ptrs, pages, rc;
+
+ /* Re-calculate the max to fit the HWQ allocation model */
+ pg_ptrs = roundup_pow_of_two(max_pg_ptrs);
+ pages = pg_ptrs >> MAX_PBL_LVL_1_PGS_SHIFT;
+ if (!pages)
+ pages++;
+
+ if (pages > MAX_PBL_LVL_1_PGS)
+ return -ENOMEM;
+
+ frpl->hwq.max_elements = pages;
+ rc = bnxt_qplib_alloc_init_hwq(res->pdev, &frpl->hwq, NULL, 0,
+ &frpl->hwq.max_elements, PAGE_SIZE, 0,
+ PAGE_SIZE, HWQ_TYPE_CTX);
+ if (!rc)
+ frpl->max_pg_ptrs = pg_ptrs;
+
+ return rc;
+}
+
+int bnxt_qplib_free_fast_reg_page_list(struct bnxt_qplib_res *res,
+ struct bnxt_qplib_frpl *frpl)
+{
+ bnxt_qplib_free_hwq(res->pdev, &frpl->hwq);
+ return 0;
+}
+
+int bnxt_qplib_map_tc2cos(struct bnxt_qplib_res *res, u16 *cids)
+{
+ struct bnxt_qplib_rcfw *rcfw = res->rcfw;
+ struct cmdq_map_tc_to_cos req;
+ struct creq_map_tc_to_cos_resp *resp;
+ u16 cmd_flags = 0;
+ int tleft;
+
+ RCFW_CMD_PREP(req, MAP_TC_TO_COS, cmd_flags);
+ req.cos0 = cpu_to_le16(cids[0]);
+ req.cos1 = cpu_to_le16(cids[1]);
+
+ resp = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, NULL, 0);
+ if (!resp) {
+ dev_err(&res->pdev->dev, "QPLIB: SP: MAP_TC2COS send failed");
+ return -EINVAL;
+ }
+
+ tleft = bnxt_qplib_rcfw_block_for_resp(rcfw, le16_to_cpu(req.cookie));
+ if (!tleft) {
+ dev_err(&res->pdev->dev, "QPLIB: SP: MAP_TC2COS timed out");
+ return -ETIMEDOUT;
+ }
+
+ if (resp->status ||
+ le16_to_cpu(resp->cookie) != le16_to_cpu(req.cookie)) {
+ dev_err(&res->pdev->dev, "QPLIB: SP: MAP_TC2COS failed ");
+ dev_err(&res->pdev->dev,
+ "QPLIB: with status 0x%x cmdq 0x%x resp 0x%x",
+ resp->status, le16_to_cpu(req.cookie),
+ le16_to_cpu(resp->cookie));
+ return -EINVAL;
+ }
+
+ return 0;
+}