#include "qed_ll2.h"
#include "qed_mcp.h"
#include "qed_reg_addr.h"
-#include "qed_roce.h"
#include <linux/qed/qed_roce_if.h>
+#include "qed_rdma.h"
+#include "qed_roce.h"
#include "qed_sp.h"
-static void qed_roce_free_real_icid(struct qed_hwfn *p_hwfn, u16 icid);
-
-static int
-qed_roce_async_event(struct qed_hwfn *p_hwfn,
- u8 fw_event_code,
- u16 echo, union event_ring_data *data, u8 fw_return_code)
-{
- if (fw_event_code == ROCE_ASYNC_EVENT_DESTROY_QP_DONE) {
- u16 icid =
- (u16)le32_to_cpu(data->rdma_data.rdma_destroy_qp_data.cid);
-
- /* icid release in this async event can occur only if the icid
- * was offloaded to the FW. In case it wasn't offloaded this is
- * handled in qed_roce_sp_destroy_qp.
- */
- qed_roce_free_real_icid(p_hwfn, icid);
- } else {
- struct qed_rdma_events *events = &p_hwfn->p_rdma_info->events;
-
- events->affiliated_event(p_hwfn->p_rdma_info->events.context,
- fw_event_code,
- (void *)&data->rdma_data.async_handle);
- }
-
- return 0;
-}
-static int qed_rdma_bmap_alloc(struct qed_hwfn *p_hwfn,
- struct qed_bmap *bmap, u32 max_count, char *name)
+int qed_rdma_bmap_alloc(struct qed_hwfn *p_hwfn,
+ struct qed_bmap *bmap, u32 max_count, char *name)
{
DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "max_count = %08x\n", max_count);
return 0;
}
-static int qed_rdma_bmap_alloc_id(struct qed_hwfn *p_hwfn,
- struct qed_bmap *bmap, u32 *id_num)
+int qed_rdma_bmap_alloc_id(struct qed_hwfn *p_hwfn,
+ struct qed_bmap *bmap, u32 *id_num)
{
*id_num = find_first_zero_bit(bmap->bitmap, bmap->max_count);
if (*id_num >= bmap->max_count)
return 0;
}
-static void qed_bmap_set_id(struct qed_hwfn *p_hwfn,
- struct qed_bmap *bmap, u32 id_num)
+void qed_bmap_set_id(struct qed_hwfn *p_hwfn,
+ struct qed_bmap *bmap, u32 id_num)
{
if (id_num >= bmap->max_count)
return;
__set_bit(id_num, bmap->bitmap);
}
-static void qed_bmap_release_id(struct qed_hwfn *p_hwfn,
- struct qed_bmap *bmap, u32 id_num)
+void qed_bmap_release_id(struct qed_hwfn *p_hwfn,
+ struct qed_bmap *bmap, u32 id_num)
{
bool b_acquired;
bmap->name, id_num);
}
-static int qed_bmap_test_id(struct qed_hwfn *p_hwfn,
- struct qed_bmap *bmap, u32 id_num)
+int qed_bmap_test_id(struct qed_hwfn *p_hwfn,
+ struct qed_bmap *bmap, u32 id_num)
{
if (id_num >= bmap->max_count)
return -1;
return bmap->max_count == find_first_bit(bmap->bitmap, bmap->max_count);
}
-static u32 qed_rdma_get_sb_id(void *p_hwfn, u32 rel_sb_id)
+u32 qed_rdma_get_sb_id(void *p_hwfn, u32 rel_sb_id)
{
/* First sb id for RoCE is after all the l2 sb */
return FEAT_NUM((struct qed_hwfn *)p_hwfn, QED_PF_L2_QUE) + rel_sb_id;
return rc;
}
-static void qed_rdma_bmap_free(struct qed_hwfn *p_hwfn,
- struct qed_bmap *bmap, bool check)
+void qed_rdma_bmap_free(struct qed_hwfn *p_hwfn,
+ struct qed_bmap *bmap, bool check)
{
int weight = bitmap_weight(bmap->bitmap, bmap->max_count);
int last_line = bmap->max_count / (64 * 8);
if (rc)
return rc;
- qed_spq_register_async_cb(p_hwfn, PROTOCOLID_ROCE,
- qed_roce_async_event);
+ qed_roce_setup(p_hwfn);
return qed_rdma_start_fw(p_hwfn, params, p_ptt);
}
-void qed_roce_stop(struct qed_hwfn *p_hwfn)
-{
- struct qed_bmap *rcid_map = &p_hwfn->p_rdma_info->real_cid_map;
- int wait_count = 0;
-
- /* when destroying a_RoCE QP the control is returned to the user after
- * the synchronous part. The asynchronous part may take a little longer.
- * We delay for a short while if an async destroy QP is still expected.
- * Beyond the added delay we clear the bitmap anyway.
- */
- while (bitmap_weight(rcid_map->bitmap, rcid_map->max_count)) {
- msleep(100);
- if (wait_count++ > 20) {
- DP_NOTICE(p_hwfn, "cid bitmap wait timed out\n");
- break;
- }
- }
- qed_spq_unregister_async_cb(p_hwfn, PROTOCOLID_ROCE);
-}
-
-static int qed_rdma_stop(void *rdma_cxt)
+int qed_rdma_stop(void *rdma_cxt)
{
struct qed_hwfn *p_hwfn = (struct qed_hwfn *)rdma_cxt;
struct rdma_close_func_ramrod_data *p_ramrod;
return rc;
}
-static void qed_rdma_set_fw_mac(u16 *p_fw_mac, u8 *p_qed_mac)
+void qed_rdma_set_fw_mac(u16 *p_fw_mac, u8 *p_qed_mac)
{
p_fw_mac[0] = cpu_to_le16((p_qed_mac[0] << 8) + p_qed_mac[1]);
p_fw_mac[1] = cpu_to_le16((p_qed_mac[2] << 8) + p_qed_mac[3]);
p_fw_mac[2] = cpu_to_le16((p_qed_mac[4] << 8) + p_qed_mac[5]);
}
-static void qed_rdma_copy_gids(struct qed_rdma_qp *qp, __le32 *src_gid,
- __le32 *dst_gid)
-{
- u32 i;
-
- if (qp->roce_mode == ROCE_V2_IPV4) {
- /* The IPv4 addresses shall be aligned to the highest word.
- * The lower words must be zero.
- */
- memset(src_gid, 0, sizeof(union qed_gid));
- memset(dst_gid, 0, sizeof(union qed_gid));
- src_gid[3] = cpu_to_le32(qp->sgid.ipv4_addr);
- dst_gid[3] = cpu_to_le32(qp->dgid.ipv4_addr);
- } else {
- /* GIDs and IPv6 addresses coincide in location and size */
- for (i = 0; i < ARRAY_SIZE(qp->sgid.dwords); i++) {
- src_gid[i] = cpu_to_le32(qp->sgid.dwords[i]);
- dst_gid[i] = cpu_to_le32(qp->dgid.dwords[i]);
- }
- }
-}
-
-static enum roce_flavor qed_roce_mode_to_flavor(enum roce_mode roce_mode)
-{
- enum roce_flavor flavor;
-
- switch (roce_mode) {
- case ROCE_V1:
- flavor = PLAIN_ROCE;
- break;
- case ROCE_V2_IPV4:
- flavor = RROCE_IPV4;
- break;
- case ROCE_V2_IPV6:
- flavor = ROCE_V2_IPV6;
- break;
- default:
- flavor = MAX_ROCE_MODE;
- break;
- }
- return flavor;
-}
-
-void qed_roce_free_cid_pair(struct qed_hwfn *p_hwfn, u16 cid)
-{
- spin_lock_bh(&p_hwfn->p_rdma_info->lock);
- qed_bmap_release_id(p_hwfn, &p_hwfn->p_rdma_info->cid_map, cid);
- qed_bmap_release_id(p_hwfn, &p_hwfn->p_rdma_info->cid_map, cid + 1);
- spin_unlock_bh(&p_hwfn->p_rdma_info->lock);
-}
-
-static int qed_roce_alloc_cid(struct qed_hwfn *p_hwfn, u16 *cid)
-{
- struct qed_rdma_info *p_rdma_info = p_hwfn->p_rdma_info;
- u32 responder_icid;
- u32 requester_icid;
- int rc;
-
- spin_lock_bh(&p_hwfn->p_rdma_info->lock);
- rc = qed_rdma_bmap_alloc_id(p_hwfn, &p_rdma_info->cid_map,
- &responder_icid);
- if (rc) {
- spin_unlock_bh(&p_rdma_info->lock);
- return rc;
- }
-
- rc = qed_rdma_bmap_alloc_id(p_hwfn, &p_rdma_info->cid_map,
- &requester_icid);
-
- spin_unlock_bh(&p_rdma_info->lock);
- if (rc)
- goto err;
-
- /* the two icid's should be adjacent */
- if ((requester_icid - responder_icid) != 1) {
- DP_NOTICE(p_hwfn, "Failed to allocate two adjacent qp's'\n");
- rc = -EINVAL;
- goto err;
- }
-
- responder_icid += qed_cxt_get_proto_cid_start(p_hwfn,
- p_rdma_info->proto);
- requester_icid += qed_cxt_get_proto_cid_start(p_hwfn,
- p_rdma_info->proto);
-
- /* If these icids require a new ILT line allocate DMA-able context for
- * an ILT page
- */
- rc = qed_cxt_dynamic_ilt_alloc(p_hwfn, QED_ELEM_CXT, responder_icid);
- if (rc)
- goto err;
-
- rc = qed_cxt_dynamic_ilt_alloc(p_hwfn, QED_ELEM_CXT, requester_icid);
- if (rc)
- goto err;
-
- *cid = (u16)responder_icid;
- return rc;
-
-err:
- spin_lock_bh(&p_rdma_info->lock);
- qed_bmap_release_id(p_hwfn, &p_rdma_info->cid_map, responder_icid);
- qed_bmap_release_id(p_hwfn, &p_rdma_info->cid_map, requester_icid);
-
- spin_unlock_bh(&p_rdma_info->lock);
- DP_VERBOSE(p_hwfn, QED_MSG_RDMA,
- "Allocate CID - failed, rc = %d\n", rc);
- return rc;
-}
-
-static void qed_roce_set_real_cid(struct qed_hwfn *p_hwfn, u32 cid)
-{
- spin_lock_bh(&p_hwfn->p_rdma_info->lock);
- qed_bmap_set_id(p_hwfn, &p_hwfn->p_rdma_info->real_cid_map, cid);
- spin_unlock_bh(&p_hwfn->p_rdma_info->lock);
-}
-
-static int qed_roce_sp_create_responder(struct qed_hwfn *p_hwfn,
- struct qed_rdma_qp *qp)
-{
- struct roce_create_qp_resp_ramrod_data *p_ramrod;
- struct qed_sp_init_data init_data;
- enum roce_flavor roce_flavor;
- struct qed_spq_entry *p_ent;
- u16 regular_latency_queue;
- enum protocol_type proto;
- int rc;
-
- DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "icid = %08x\n", qp->icid);
-
- /* Allocate DMA-able memory for IRQ */
- qp->irq_num_pages = 1;
- qp->irq = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
- RDMA_RING_PAGE_SIZE,
- &qp->irq_phys_addr, GFP_KERNEL);
- if (!qp->irq) {
- rc = -ENOMEM;
- DP_NOTICE(p_hwfn,
- "qed create responder failed: cannot allocate memory (irq). rc = %d\n",
- rc);
- return rc;
- }
-
- /* Get SPQ entry */
- memset(&init_data, 0, sizeof(init_data));
- init_data.cid = qp->icid;
- init_data.opaque_fid = p_hwfn->hw_info.opaque_fid;
- init_data.comp_mode = QED_SPQ_MODE_EBLOCK;
-
- rc = qed_sp_init_request(p_hwfn, &p_ent, ROCE_RAMROD_CREATE_QP,
- PROTOCOLID_ROCE, &init_data);
- if (rc)
- goto err;
-
- p_ramrod = &p_ent->ramrod.roce_create_qp_resp;
-
- p_ramrod->flags = 0;
-
- roce_flavor = qed_roce_mode_to_flavor(qp->roce_mode);
- SET_FIELD(p_ramrod->flags,
- ROCE_CREATE_QP_RESP_RAMROD_DATA_ROCE_FLAVOR, roce_flavor);
-
- SET_FIELD(p_ramrod->flags,
- ROCE_CREATE_QP_RESP_RAMROD_DATA_RDMA_RD_EN,
- qp->incoming_rdma_read_en);
-
- SET_FIELD(p_ramrod->flags,
- ROCE_CREATE_QP_RESP_RAMROD_DATA_RDMA_WR_EN,
- qp->incoming_rdma_write_en);
-
- SET_FIELD(p_ramrod->flags,
- ROCE_CREATE_QP_RESP_RAMROD_DATA_ATOMIC_EN,
- qp->incoming_atomic_en);
-
- SET_FIELD(p_ramrod->flags,
- ROCE_CREATE_QP_RESP_RAMROD_DATA_E2E_FLOW_CONTROL_EN,
- qp->e2e_flow_control_en);
-
- SET_FIELD(p_ramrod->flags,
- ROCE_CREATE_QP_RESP_RAMROD_DATA_SRQ_FLG, qp->use_srq);
-
- SET_FIELD(p_ramrod->flags,
- ROCE_CREATE_QP_RESP_RAMROD_DATA_RESERVED_KEY_EN,
- qp->fmr_and_reserved_lkey);
-
- SET_FIELD(p_ramrod->flags,
- ROCE_CREATE_QP_RESP_RAMROD_DATA_MIN_RNR_NAK_TIMER,
- qp->min_rnr_nak_timer);
-
- p_ramrod->max_ird = qp->max_rd_atomic_resp;
- p_ramrod->traffic_class = qp->traffic_class_tos;
- p_ramrod->hop_limit = qp->hop_limit_ttl;
- p_ramrod->irq_num_pages = qp->irq_num_pages;
- p_ramrod->p_key = cpu_to_le16(qp->pkey);
- p_ramrod->flow_label = cpu_to_le32(qp->flow_label);
- p_ramrod->dst_qp_id = cpu_to_le32(qp->dest_qp);
- p_ramrod->mtu = cpu_to_le16(qp->mtu);
- p_ramrod->initial_psn = cpu_to_le32(qp->rq_psn);
- p_ramrod->pd = cpu_to_le16(qp->pd);
- p_ramrod->rq_num_pages = cpu_to_le16(qp->rq_num_pages);
- DMA_REGPAIR_LE(p_ramrod->rq_pbl_addr, qp->rq_pbl_ptr);
- DMA_REGPAIR_LE(p_ramrod->irq_pbl_addr, qp->irq_phys_addr);
- qed_rdma_copy_gids(qp, p_ramrod->src_gid, p_ramrod->dst_gid);
- p_ramrod->qp_handle_for_async.hi = cpu_to_le32(qp->qp_handle_async.hi);
- p_ramrod->qp_handle_for_async.lo = cpu_to_le32(qp->qp_handle_async.lo);
- p_ramrod->qp_handle_for_cqe.hi = cpu_to_le32(qp->qp_handle.hi);
- p_ramrod->qp_handle_for_cqe.lo = cpu_to_le32(qp->qp_handle.lo);
- p_ramrod->cq_cid = cpu_to_le32((p_hwfn->hw_info.opaque_fid << 16) |
- qp->rq_cq_id);
-
- regular_latency_queue = qed_get_cm_pq_idx(p_hwfn, PQ_FLAGS_OFLD);
-
- p_ramrod->regular_latency_phy_queue =
- cpu_to_le16(regular_latency_queue);
- p_ramrod->low_latency_phy_queue =
- cpu_to_le16(regular_latency_queue);
-
- p_ramrod->dpi = cpu_to_le16(qp->dpi);
-
- qed_rdma_set_fw_mac(p_ramrod->remote_mac_addr, qp->remote_mac_addr);
- qed_rdma_set_fw_mac(p_ramrod->local_mac_addr, qp->local_mac_addr);
-
- p_ramrod->udp_src_port = qp->udp_src_port;
- p_ramrod->vlan_id = cpu_to_le16(qp->vlan_id);
- p_ramrod->srq_id.srq_idx = cpu_to_le16(qp->srq_id);
- p_ramrod->srq_id.opaque_fid = cpu_to_le16(p_hwfn->hw_info.opaque_fid);
-
- p_ramrod->stats_counter_id = RESC_START(p_hwfn, QED_RDMA_STATS_QUEUE) +
- qp->stats_queue;
-
- rc = qed_spq_post(p_hwfn, p_ent, NULL);
-
- DP_VERBOSE(p_hwfn, QED_MSG_RDMA,
- "rc = %d regular physical queue = 0x%x\n", rc,
- regular_latency_queue);
-
- if (rc)
- goto err;
-
- qp->resp_offloaded = true;
- qp->cq_prod = 0;
-
- proto = p_hwfn->p_rdma_info->proto;
- qed_roce_set_real_cid(p_hwfn, qp->icid -
- qed_cxt_get_proto_cid_start(p_hwfn, proto));
-
- return rc;
-
-err:
- DP_NOTICE(p_hwfn, "create responder - failed, rc = %d\n", rc);
- dma_free_coherent(&p_hwfn->cdev->pdev->dev,
- qp->irq_num_pages * RDMA_RING_PAGE_SIZE,
- qp->irq, qp->irq_phys_addr);
-
- return rc;
-}
-
-static int qed_roce_sp_create_requester(struct qed_hwfn *p_hwfn,
- struct qed_rdma_qp *qp)
-{
- struct roce_create_qp_req_ramrod_data *p_ramrod;
- struct qed_sp_init_data init_data;
- enum roce_flavor roce_flavor;
- struct qed_spq_entry *p_ent;
- u16 regular_latency_queue;
- enum protocol_type proto;
- int rc;
-
- DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "icid = %08x\n", qp->icid);
-
- /* Allocate DMA-able memory for ORQ */
- qp->orq_num_pages = 1;
- qp->orq = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
- RDMA_RING_PAGE_SIZE,
- &qp->orq_phys_addr, GFP_KERNEL);
- if (!qp->orq) {
- rc = -ENOMEM;
- DP_NOTICE(p_hwfn,
- "qed create requester failed: cannot allocate memory (orq). rc = %d\n",
- rc);
- return rc;
- }
-
- /* Get SPQ entry */
- memset(&init_data, 0, sizeof(init_data));
- init_data.cid = qp->icid + 1;
- init_data.opaque_fid = p_hwfn->hw_info.opaque_fid;
- init_data.comp_mode = QED_SPQ_MODE_EBLOCK;
-
- rc = qed_sp_init_request(p_hwfn, &p_ent,
- ROCE_RAMROD_CREATE_QP,
- PROTOCOLID_ROCE, &init_data);
- if (rc)
- goto err;
-
- p_ramrod = &p_ent->ramrod.roce_create_qp_req;
-
- p_ramrod->flags = 0;
-
- roce_flavor = qed_roce_mode_to_flavor(qp->roce_mode);
- SET_FIELD(p_ramrod->flags,
- ROCE_CREATE_QP_REQ_RAMROD_DATA_ROCE_FLAVOR, roce_flavor);
-
- SET_FIELD(p_ramrod->flags,
- ROCE_CREATE_QP_REQ_RAMROD_DATA_FMR_AND_RESERVED_EN,
- qp->fmr_and_reserved_lkey);
-
- SET_FIELD(p_ramrod->flags,
- ROCE_CREATE_QP_REQ_RAMROD_DATA_SIGNALED_COMP, qp->signal_all);
-
- SET_FIELD(p_ramrod->flags,
- ROCE_CREATE_QP_REQ_RAMROD_DATA_ERR_RETRY_CNT, qp->retry_cnt);
-
- SET_FIELD(p_ramrod->flags,
- ROCE_CREATE_QP_REQ_RAMROD_DATA_RNR_NAK_CNT,
- qp->rnr_retry_cnt);
-
- p_ramrod->max_ord = qp->max_rd_atomic_req;
- p_ramrod->traffic_class = qp->traffic_class_tos;
- p_ramrod->hop_limit = qp->hop_limit_ttl;
- p_ramrod->orq_num_pages = qp->orq_num_pages;
- p_ramrod->p_key = cpu_to_le16(qp->pkey);
- p_ramrod->flow_label = cpu_to_le32(qp->flow_label);
- p_ramrod->dst_qp_id = cpu_to_le32(qp->dest_qp);
- p_ramrod->ack_timeout_val = cpu_to_le32(qp->ack_timeout);
- p_ramrod->mtu = cpu_to_le16(qp->mtu);
- p_ramrod->initial_psn = cpu_to_le32(qp->sq_psn);
- p_ramrod->pd = cpu_to_le16(qp->pd);
- p_ramrod->sq_num_pages = cpu_to_le16(qp->sq_num_pages);
- DMA_REGPAIR_LE(p_ramrod->sq_pbl_addr, qp->sq_pbl_ptr);
- DMA_REGPAIR_LE(p_ramrod->orq_pbl_addr, qp->orq_phys_addr);
- qed_rdma_copy_gids(qp, p_ramrod->src_gid, p_ramrod->dst_gid);
- p_ramrod->qp_handle_for_async.hi = cpu_to_le32(qp->qp_handle_async.hi);
- p_ramrod->qp_handle_for_async.lo = cpu_to_le32(qp->qp_handle_async.lo);
- p_ramrod->qp_handle_for_cqe.hi = cpu_to_le32(qp->qp_handle.hi);
- p_ramrod->qp_handle_for_cqe.lo = cpu_to_le32(qp->qp_handle.lo);
- p_ramrod->cq_cid =
- cpu_to_le32((p_hwfn->hw_info.opaque_fid << 16) | qp->sq_cq_id);
-
- regular_latency_queue = qed_get_cm_pq_idx(p_hwfn, PQ_FLAGS_OFLD);
-
- p_ramrod->regular_latency_phy_queue =
- cpu_to_le16(regular_latency_queue);
- p_ramrod->low_latency_phy_queue =
- cpu_to_le16(regular_latency_queue);
-
- p_ramrod->dpi = cpu_to_le16(qp->dpi);
-
- qed_rdma_set_fw_mac(p_ramrod->remote_mac_addr, qp->remote_mac_addr);
- qed_rdma_set_fw_mac(p_ramrod->local_mac_addr, qp->local_mac_addr);
-
- p_ramrod->udp_src_port = qp->udp_src_port;
- p_ramrod->vlan_id = cpu_to_le16(qp->vlan_id);
- p_ramrod->stats_counter_id = RESC_START(p_hwfn, QED_RDMA_STATS_QUEUE) +
- qp->stats_queue;
-
- rc = qed_spq_post(p_hwfn, p_ent, NULL);
-
- DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "rc = %d\n", rc);
-
- if (rc)
- goto err;
-
- qp->req_offloaded = true;
- proto = p_hwfn->p_rdma_info->proto;
- qed_roce_set_real_cid(p_hwfn,
- qp->icid + 1 -
- qed_cxt_get_proto_cid_start(p_hwfn, proto));
-
- return rc;
-
-err:
- DP_NOTICE(p_hwfn, "Create requested - failed, rc = %d\n", rc);
- dma_free_coherent(&p_hwfn->cdev->pdev->dev,
- qp->orq_num_pages * RDMA_RING_PAGE_SIZE,
- qp->orq, qp->orq_phys_addr);
- return rc;
-}
-
-static int qed_roce_sp_modify_responder(struct qed_hwfn *p_hwfn,
- struct qed_rdma_qp *qp,
- bool move_to_err, u32 modify_flags)
-{
- struct roce_modify_qp_resp_ramrod_data *p_ramrod;
- struct qed_sp_init_data init_data;
- struct qed_spq_entry *p_ent;
- int rc;
-
- DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "icid = %08x\n", qp->icid);
-
- if (move_to_err && !qp->resp_offloaded)
- return 0;
-
- /* Get SPQ entry */
- memset(&init_data, 0, sizeof(init_data));
- init_data.cid = qp->icid;
- init_data.opaque_fid = p_hwfn->hw_info.opaque_fid;
- init_data.comp_mode = QED_SPQ_MODE_EBLOCK;
-
- rc = qed_sp_init_request(p_hwfn, &p_ent,
- ROCE_EVENT_MODIFY_QP,
- PROTOCOLID_ROCE, &init_data);
- if (rc) {
- DP_NOTICE(p_hwfn, "rc = %d\n", rc);
- return rc;
- }
-
- p_ramrod = &p_ent->ramrod.roce_modify_qp_resp;
-
- p_ramrod->flags = 0;
-
- SET_FIELD(p_ramrod->flags,
- ROCE_MODIFY_QP_RESP_RAMROD_DATA_MOVE_TO_ERR_FLG, move_to_err);
-
- SET_FIELD(p_ramrod->flags,
- ROCE_MODIFY_QP_RESP_RAMROD_DATA_RDMA_RD_EN,
- qp->incoming_rdma_read_en);
-
- SET_FIELD(p_ramrod->flags,
- ROCE_MODIFY_QP_RESP_RAMROD_DATA_RDMA_WR_EN,
- qp->incoming_rdma_write_en);
-
- SET_FIELD(p_ramrod->flags,
- ROCE_MODIFY_QP_RESP_RAMROD_DATA_ATOMIC_EN,
- qp->incoming_atomic_en);
-
- SET_FIELD(p_ramrod->flags,
- ROCE_CREATE_QP_RESP_RAMROD_DATA_E2E_FLOW_CONTROL_EN,
- qp->e2e_flow_control_en);
-
- SET_FIELD(p_ramrod->flags,
- ROCE_MODIFY_QP_RESP_RAMROD_DATA_RDMA_OPS_EN_FLG,
- GET_FIELD(modify_flags,
- QED_RDMA_MODIFY_QP_VALID_RDMA_OPS_EN));
-
- SET_FIELD(p_ramrod->flags,
- ROCE_MODIFY_QP_RESP_RAMROD_DATA_P_KEY_FLG,
- GET_FIELD(modify_flags, QED_ROCE_MODIFY_QP_VALID_PKEY));
-
- SET_FIELD(p_ramrod->flags,
- ROCE_MODIFY_QP_RESP_RAMROD_DATA_ADDRESS_VECTOR_FLG,
- GET_FIELD(modify_flags,
- QED_ROCE_MODIFY_QP_VALID_ADDRESS_VECTOR));
-
- SET_FIELD(p_ramrod->flags,
- ROCE_MODIFY_QP_RESP_RAMROD_DATA_MAX_IRD_FLG,
- GET_FIELD(modify_flags,
- QED_RDMA_MODIFY_QP_VALID_MAX_RD_ATOMIC_RESP));
-
- SET_FIELD(p_ramrod->flags,
- ROCE_MODIFY_QP_RESP_RAMROD_DATA_MIN_RNR_NAK_TIMER_FLG,
- GET_FIELD(modify_flags,
- QED_ROCE_MODIFY_QP_VALID_MIN_RNR_NAK_TIMER));
-
- p_ramrod->fields = 0;
- SET_FIELD(p_ramrod->fields,
- ROCE_MODIFY_QP_RESP_RAMROD_DATA_MIN_RNR_NAK_TIMER,
- qp->min_rnr_nak_timer);
-
- p_ramrod->max_ird = qp->max_rd_atomic_resp;
- p_ramrod->traffic_class = qp->traffic_class_tos;
- p_ramrod->hop_limit = qp->hop_limit_ttl;
- p_ramrod->p_key = cpu_to_le16(qp->pkey);
- p_ramrod->flow_label = cpu_to_le32(qp->flow_label);
- p_ramrod->mtu = cpu_to_le16(qp->mtu);
- qed_rdma_copy_gids(qp, p_ramrod->src_gid, p_ramrod->dst_gid);
- rc = qed_spq_post(p_hwfn, p_ent, NULL);
-
- DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "Modify responder, rc = %d\n", rc);
- return rc;
-}
-
-static int qed_roce_sp_modify_requester(struct qed_hwfn *p_hwfn,
- struct qed_rdma_qp *qp,
- bool move_to_sqd,
- bool move_to_err, u32 modify_flags)
-{
- struct roce_modify_qp_req_ramrod_data *p_ramrod;
- struct qed_sp_init_data init_data;
- struct qed_spq_entry *p_ent;
- int rc;
-
- DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "icid = %08x\n", qp->icid);
-
- if (move_to_err && !(qp->req_offloaded))
- return 0;
-
- /* Get SPQ entry */
- memset(&init_data, 0, sizeof(init_data));
- init_data.cid = qp->icid + 1;
- init_data.opaque_fid = p_hwfn->hw_info.opaque_fid;
- init_data.comp_mode = QED_SPQ_MODE_EBLOCK;
-
- rc = qed_sp_init_request(p_hwfn, &p_ent,
- ROCE_EVENT_MODIFY_QP,
- PROTOCOLID_ROCE, &init_data);
- if (rc) {
- DP_NOTICE(p_hwfn, "rc = %d\n", rc);
- return rc;
- }
-
- p_ramrod = &p_ent->ramrod.roce_modify_qp_req;
-
- p_ramrod->flags = 0;
-
- SET_FIELD(p_ramrod->flags,
- ROCE_MODIFY_QP_REQ_RAMROD_DATA_MOVE_TO_ERR_FLG, move_to_err);
-
- SET_FIELD(p_ramrod->flags,
- ROCE_MODIFY_QP_REQ_RAMROD_DATA_MOVE_TO_SQD_FLG, move_to_sqd);
-
- SET_FIELD(p_ramrod->flags,
- ROCE_MODIFY_QP_REQ_RAMROD_DATA_EN_SQD_ASYNC_NOTIFY,
- qp->sqd_async);
-
- SET_FIELD(p_ramrod->flags,
- ROCE_MODIFY_QP_REQ_RAMROD_DATA_P_KEY_FLG,
- GET_FIELD(modify_flags, QED_ROCE_MODIFY_QP_VALID_PKEY));
-
- SET_FIELD(p_ramrod->flags,
- ROCE_MODIFY_QP_REQ_RAMROD_DATA_ADDRESS_VECTOR_FLG,
- GET_FIELD(modify_flags,
- QED_ROCE_MODIFY_QP_VALID_ADDRESS_VECTOR));
-
- SET_FIELD(p_ramrod->flags,
- ROCE_MODIFY_QP_REQ_RAMROD_DATA_MAX_ORD_FLG,
- GET_FIELD(modify_flags,
- QED_RDMA_MODIFY_QP_VALID_MAX_RD_ATOMIC_REQ));
-
- SET_FIELD(p_ramrod->flags,
- ROCE_MODIFY_QP_REQ_RAMROD_DATA_RNR_NAK_CNT_FLG,
- GET_FIELD(modify_flags,
- QED_ROCE_MODIFY_QP_VALID_RNR_RETRY_CNT));
-
- SET_FIELD(p_ramrod->flags,
- ROCE_MODIFY_QP_REQ_RAMROD_DATA_ERR_RETRY_CNT_FLG,
- GET_FIELD(modify_flags, QED_ROCE_MODIFY_QP_VALID_RETRY_CNT));
-
- SET_FIELD(p_ramrod->flags,
- ROCE_MODIFY_QP_REQ_RAMROD_DATA_ACK_TIMEOUT_FLG,
- GET_FIELD(modify_flags,
- QED_ROCE_MODIFY_QP_VALID_ACK_TIMEOUT));
-
- p_ramrod->fields = 0;
- SET_FIELD(p_ramrod->fields,
- ROCE_MODIFY_QP_REQ_RAMROD_DATA_ERR_RETRY_CNT, qp->retry_cnt);
-
- SET_FIELD(p_ramrod->fields,
- ROCE_MODIFY_QP_REQ_RAMROD_DATA_RNR_NAK_CNT,
- qp->rnr_retry_cnt);
-
- p_ramrod->max_ord = qp->max_rd_atomic_req;
- p_ramrod->traffic_class = qp->traffic_class_tos;
- p_ramrod->hop_limit = qp->hop_limit_ttl;
- p_ramrod->p_key = cpu_to_le16(qp->pkey);
- p_ramrod->flow_label = cpu_to_le32(qp->flow_label);
- p_ramrod->ack_timeout_val = cpu_to_le32(qp->ack_timeout);
- p_ramrod->mtu = cpu_to_le16(qp->mtu);
- qed_rdma_copy_gids(qp, p_ramrod->src_gid, p_ramrod->dst_gid);
- rc = qed_spq_post(p_hwfn, p_ent, NULL);
-
- DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "Modify requester, rc = %d\n", rc);
- return rc;
-}
-
-static int qed_roce_sp_destroy_qp_responder(struct qed_hwfn *p_hwfn,
- struct qed_rdma_qp *qp,
- u32 *num_invalidated_mw,
- u32 *cq_prod)
-{
- struct roce_destroy_qp_resp_output_params *p_ramrod_res;
- struct roce_destroy_qp_resp_ramrod_data *p_ramrod;
- struct qed_sp_init_data init_data;
- struct qed_spq_entry *p_ent;
- dma_addr_t ramrod_res_phys;
- int rc;
-
- DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "icid = %08x\n", qp->icid);
-
- *num_invalidated_mw = 0;
- *cq_prod = qp->cq_prod;
-
- if (!qp->resp_offloaded) {
- /* If a responder was never offload, we need to free the cids
- * allocated in create_qp as a FW async event will never arrive
- */
- u32 cid;
-
- cid = qp->icid -
- qed_cxt_get_proto_cid_start(p_hwfn,
- p_hwfn->p_rdma_info->proto);
- qed_roce_free_cid_pair(p_hwfn, (u16)cid);
-
- return 0;
- }
-
- /* Get SPQ entry */
- memset(&init_data, 0, sizeof(init_data));
- init_data.cid = qp->icid;
- init_data.opaque_fid = p_hwfn->hw_info.opaque_fid;
- init_data.comp_mode = QED_SPQ_MODE_EBLOCK;
-
- rc = qed_sp_init_request(p_hwfn, &p_ent,
- ROCE_RAMROD_DESTROY_QP,
- PROTOCOLID_ROCE, &init_data);
- if (rc)
- return rc;
-
- p_ramrod = &p_ent->ramrod.roce_destroy_qp_resp;
-
- p_ramrod_res = (struct roce_destroy_qp_resp_output_params *)
- dma_alloc_coherent(&p_hwfn->cdev->pdev->dev, sizeof(*p_ramrod_res),
- &ramrod_res_phys, GFP_KERNEL);
-
- if (!p_ramrod_res) {
- rc = -ENOMEM;
- DP_NOTICE(p_hwfn,
- "qed destroy responder failed: cannot allocate memory (ramrod). rc = %d\n",
- rc);
- return rc;
- }
-
- DMA_REGPAIR_LE(p_ramrod->output_params_addr, ramrod_res_phys);
-
- rc = qed_spq_post(p_hwfn, p_ent, NULL);
- if (rc)
- goto err;
-
- *num_invalidated_mw = le32_to_cpu(p_ramrod_res->num_invalidated_mw);
- *cq_prod = le32_to_cpu(p_ramrod_res->cq_prod);
- qp->cq_prod = *cq_prod;
-
- /* Free IRQ - only if ramrod succeeded, in case FW is still using it */
- dma_free_coherent(&p_hwfn->cdev->pdev->dev,
- qp->irq_num_pages * RDMA_RING_PAGE_SIZE,
- qp->irq, qp->irq_phys_addr);
-
- qp->resp_offloaded = false;
-
- DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "Destroy responder, rc = %d\n", rc);
-
-err:
- dma_free_coherent(&p_hwfn->cdev->pdev->dev,
- sizeof(struct roce_destroy_qp_resp_output_params),
- p_ramrod_res, ramrod_res_phys);
-
- return rc;
-}
-
-static int qed_roce_sp_destroy_qp_requester(struct qed_hwfn *p_hwfn,
- struct qed_rdma_qp *qp,
- u32 *num_bound_mw)
-{
- struct roce_destroy_qp_req_output_params *p_ramrod_res;
- struct roce_destroy_qp_req_ramrod_data *p_ramrod;
- struct qed_sp_init_data init_data;
- struct qed_spq_entry *p_ent;
- dma_addr_t ramrod_res_phys;
- int rc = -ENOMEM;
-
- DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "icid = %08x\n", qp->icid);
-
- if (!qp->req_offloaded)
- return 0;
-
- p_ramrod_res = (struct roce_destroy_qp_req_output_params *)
- dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
- sizeof(*p_ramrod_res),
- &ramrod_res_phys, GFP_KERNEL);
- if (!p_ramrod_res) {
- DP_NOTICE(p_hwfn,
- "qed destroy requester failed: cannot allocate memory (ramrod)\n");
- return rc;
- }
-
- /* Get SPQ entry */
- memset(&init_data, 0, sizeof(init_data));
- init_data.cid = qp->icid + 1;
- init_data.opaque_fid = p_hwfn->hw_info.opaque_fid;
- init_data.comp_mode = QED_SPQ_MODE_EBLOCK;
-
- rc = qed_sp_init_request(p_hwfn, &p_ent, ROCE_RAMROD_DESTROY_QP,
- PROTOCOLID_ROCE, &init_data);
- if (rc)
- goto err;
-
- p_ramrod = &p_ent->ramrod.roce_destroy_qp_req;
- DMA_REGPAIR_LE(p_ramrod->output_params_addr, ramrod_res_phys);
-
- rc = qed_spq_post(p_hwfn, p_ent, NULL);
- if (rc)
- goto err;
-
- *num_bound_mw = le32_to_cpu(p_ramrod_res->num_bound_mw);
-
- /* Free ORQ - only if ramrod succeeded, in case FW is still using it */
- dma_free_coherent(&p_hwfn->cdev->pdev->dev,
- qp->orq_num_pages * RDMA_RING_PAGE_SIZE,
- qp->orq, qp->orq_phys_addr);
-
- qp->req_offloaded = false;
-
- DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "Destroy requester, rc = %d\n", rc);
-
-err:
- dma_free_coherent(&p_hwfn->cdev->pdev->dev, sizeof(*p_ramrod_res),
- p_ramrod_res, ramrod_res_phys);
-
- return rc;
-}
-
-static int qed_roce_query_qp(struct qed_hwfn *p_hwfn,
- struct qed_rdma_qp *qp,
- struct qed_rdma_query_qp_out_params *out_params)
-{
- struct roce_query_qp_resp_output_params *p_resp_ramrod_res;
- struct roce_query_qp_req_output_params *p_req_ramrod_res;
- struct roce_query_qp_resp_ramrod_data *p_resp_ramrod;
- struct roce_query_qp_req_ramrod_data *p_req_ramrod;
- struct qed_sp_init_data init_data;
- dma_addr_t resp_ramrod_res_phys;
- dma_addr_t req_ramrod_res_phys;
- struct qed_spq_entry *p_ent;
- bool rq_err_state;
- bool sq_err_state;
- bool sq_draining;
- int rc = -ENOMEM;
-
- if ((!(qp->resp_offloaded)) && (!(qp->req_offloaded))) {
- /* We can't send ramrod to the fw since this qp wasn't offloaded
- * to the fw yet
- */
- out_params->draining = false;
- out_params->rq_psn = qp->rq_psn;
- out_params->sq_psn = qp->sq_psn;
- out_params->state = qp->cur_state;
-
- DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "No QPs as no offload\n");
- return 0;
- }
-
- if (!(qp->resp_offloaded)) {
- DP_NOTICE(p_hwfn,
- "The responder's qp should be offloded before requester's\n");
- return -EINVAL;
- }
-
- /* Send a query responder ramrod to FW to get RQ-PSN and state */
- p_resp_ramrod_res = (struct roce_query_qp_resp_output_params *)
- dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
- sizeof(*p_resp_ramrod_res),
- &resp_ramrod_res_phys, GFP_KERNEL);
- if (!p_resp_ramrod_res) {
- DP_NOTICE(p_hwfn,
- "qed query qp failed: cannot allocate memory (ramrod)\n");
- return rc;
- }
-
- /* Get SPQ entry */
- memset(&init_data, 0, sizeof(init_data));
- init_data.cid = qp->icid;
- init_data.opaque_fid = p_hwfn->hw_info.opaque_fid;
- init_data.comp_mode = QED_SPQ_MODE_EBLOCK;
- rc = qed_sp_init_request(p_hwfn, &p_ent, ROCE_RAMROD_QUERY_QP,
- PROTOCOLID_ROCE, &init_data);
- if (rc)
- goto err_resp;
-
- p_resp_ramrod = &p_ent->ramrod.roce_query_qp_resp;
- DMA_REGPAIR_LE(p_resp_ramrod->output_params_addr, resp_ramrod_res_phys);
-
- rc = qed_spq_post(p_hwfn, p_ent, NULL);
- if (rc)
- goto err_resp;
-
- out_params->rq_psn = le32_to_cpu(p_resp_ramrod_res->psn);
- rq_err_state = GET_FIELD(le32_to_cpu(p_resp_ramrod_res->err_flag),
- ROCE_QUERY_QP_RESP_OUTPUT_PARAMS_ERROR_FLG);
-
- dma_free_coherent(&p_hwfn->cdev->pdev->dev, sizeof(*p_resp_ramrod_res),
- p_resp_ramrod_res, resp_ramrod_res_phys);
-
- if (!(qp->req_offloaded)) {
- /* Don't send query qp for the requester */
- out_params->sq_psn = qp->sq_psn;
- out_params->draining = false;
-
- if (rq_err_state)
- qp->cur_state = QED_ROCE_QP_STATE_ERR;
-
- out_params->state = qp->cur_state;
-
- return 0;
- }
-
- /* Send a query requester ramrod to FW to get SQ-PSN and state */
- p_req_ramrod_res = (struct roce_query_qp_req_output_params *)
- dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
- sizeof(*p_req_ramrod_res),
- &req_ramrod_res_phys,
- GFP_KERNEL);
- if (!p_req_ramrod_res) {
- rc = -ENOMEM;
- DP_NOTICE(p_hwfn,
- "qed query qp failed: cannot allocate memory (ramrod)\n");
- return rc;
- }
-
- /* Get SPQ entry */
- init_data.cid = qp->icid + 1;
- rc = qed_sp_init_request(p_hwfn, &p_ent, ROCE_RAMROD_QUERY_QP,
- PROTOCOLID_ROCE, &init_data);
- if (rc)
- goto err_req;
-
- p_req_ramrod = &p_ent->ramrod.roce_query_qp_req;
- DMA_REGPAIR_LE(p_req_ramrod->output_params_addr, req_ramrod_res_phys);
-
- rc = qed_spq_post(p_hwfn, p_ent, NULL);
- if (rc)
- goto err_req;
-
- out_params->sq_psn = le32_to_cpu(p_req_ramrod_res->psn);
- sq_err_state = GET_FIELD(le32_to_cpu(p_req_ramrod_res->flags),
- ROCE_QUERY_QP_REQ_OUTPUT_PARAMS_ERR_FLG);
- sq_draining =
- GET_FIELD(le32_to_cpu(p_req_ramrod_res->flags),
- ROCE_QUERY_QP_REQ_OUTPUT_PARAMS_SQ_DRAINING_FLG);
-
- dma_free_coherent(&p_hwfn->cdev->pdev->dev, sizeof(*p_req_ramrod_res),
- p_req_ramrod_res, req_ramrod_res_phys);
-
- out_params->draining = false;
-
- if (rq_err_state || sq_err_state)
- qp->cur_state = QED_ROCE_QP_STATE_ERR;
- else if (sq_draining)
- out_params->draining = true;
- out_params->state = qp->cur_state;
-
- return 0;
-
-err_req:
- dma_free_coherent(&p_hwfn->cdev->pdev->dev, sizeof(*p_req_ramrod_res),
- p_req_ramrod_res, req_ramrod_res_phys);
- return rc;
-err_resp:
- dma_free_coherent(&p_hwfn->cdev->pdev->dev, sizeof(*p_resp_ramrod_res),
- p_resp_ramrod_res, resp_ramrod_res_phys);
- return rc;
-}
-
-static int qed_roce_destroy_qp(struct qed_hwfn *p_hwfn, struct qed_rdma_qp *qp)
-{
- u32 num_invalidated_mw = 0;
- u32 num_bound_mw = 0;
- u32 cq_prod;
- int rc;
-
- /* Destroys the specified QP */
- if ((qp->cur_state != QED_ROCE_QP_STATE_RESET) &&
- (qp->cur_state != QED_ROCE_QP_STATE_ERR) &&
- (qp->cur_state != QED_ROCE_QP_STATE_INIT)) {
- DP_NOTICE(p_hwfn,
- "QP must be in error, reset or init state before destroying it\n");
- return -EINVAL;
- }
-
- if (qp->cur_state != QED_ROCE_QP_STATE_RESET) {
- rc = qed_roce_sp_destroy_qp_responder(p_hwfn, qp,
- &num_invalidated_mw,
- &cq_prod);
- if (rc)
- return rc;
-
- /* Send destroy requester ramrod */
- rc = qed_roce_sp_destroy_qp_requester(p_hwfn, qp,
- &num_bound_mw);
- if (rc)
- return rc;
-
- if (num_invalidated_mw != num_bound_mw) {
- DP_NOTICE(p_hwfn,
- "number of invalidate memory windows is different from bounded ones\n");
- return -EINVAL;
- }
- }
-
- return 0;
-}
-
static int qed_rdma_query_qp(void *rdma_cxt,
struct qed_rdma_qp *qp,
struct qed_rdma_query_qp_out_params *out_params)
return qp;
}
-static int qed_roce_modify_qp(struct qed_hwfn *p_hwfn,
- struct qed_rdma_qp *qp,
- enum qed_roce_qp_state prev_state,
- struct qed_rdma_modify_qp_in_params *params)
-{
- u32 num_invalidated_mw = 0, num_bound_mw = 0;
- int rc = 0;
-
- /* Perform additional operations according to the current state and the
- * next state
- */
- if (((prev_state == QED_ROCE_QP_STATE_INIT) ||
- (prev_state == QED_ROCE_QP_STATE_RESET)) &&
- (qp->cur_state == QED_ROCE_QP_STATE_RTR)) {
- /* Init->RTR or Reset->RTR */
- rc = qed_roce_sp_create_responder(p_hwfn, qp);
- return rc;
- } else if ((prev_state == QED_ROCE_QP_STATE_RTR) &&
- (qp->cur_state == QED_ROCE_QP_STATE_RTS)) {
- /* RTR-> RTS */
- rc = qed_roce_sp_create_requester(p_hwfn, qp);
- if (rc)
- return rc;
-
- /* Send modify responder ramrod */
- rc = qed_roce_sp_modify_responder(p_hwfn, qp, false,
- params->modify_flags);
- return rc;
- } else if ((prev_state == QED_ROCE_QP_STATE_RTS) &&
- (qp->cur_state == QED_ROCE_QP_STATE_RTS)) {
- /* RTS->RTS */
- rc = qed_roce_sp_modify_responder(p_hwfn, qp, false,
- params->modify_flags);
- if (rc)
- return rc;
-
- rc = qed_roce_sp_modify_requester(p_hwfn, qp, false, false,
- params->modify_flags);
- return rc;
- } else if ((prev_state == QED_ROCE_QP_STATE_RTS) &&
- (qp->cur_state == QED_ROCE_QP_STATE_SQD)) {
- /* RTS->SQD */
- rc = qed_roce_sp_modify_requester(p_hwfn, qp, true, false,
- params->modify_flags);
- return rc;
- } else if ((prev_state == QED_ROCE_QP_STATE_SQD) &&
- (qp->cur_state == QED_ROCE_QP_STATE_SQD)) {
- /* SQD->SQD */
- rc = qed_roce_sp_modify_responder(p_hwfn, qp, false,
- params->modify_flags);
- if (rc)
- return rc;
-
- rc = qed_roce_sp_modify_requester(p_hwfn, qp, false, false,
- params->modify_flags);
- return rc;
- } else if ((prev_state == QED_ROCE_QP_STATE_SQD) &&
- (qp->cur_state == QED_ROCE_QP_STATE_RTS)) {
- /* SQD->RTS */
- rc = qed_roce_sp_modify_responder(p_hwfn, qp, false,
- params->modify_flags);
- if (rc)
- return rc;
-
- rc = qed_roce_sp_modify_requester(p_hwfn, qp, false, false,
- params->modify_flags);
-
- return rc;
- } else if (qp->cur_state == QED_ROCE_QP_STATE_ERR) {
- /* ->ERR */
- rc = qed_roce_sp_modify_responder(p_hwfn, qp, true,
- params->modify_flags);
- if (rc)
- return rc;
-
- rc = qed_roce_sp_modify_requester(p_hwfn, qp, false, true,
- params->modify_flags);
- return rc;
- } else if (qp->cur_state == QED_ROCE_QP_STATE_RESET) {
- /* Any state -> RESET */
- u32 cq_prod;
-
- /* Send destroy responder ramrod */
- rc = qed_roce_sp_destroy_qp_responder(p_hwfn,
- qp,
- &num_invalidated_mw,
- &cq_prod);
-
- if (rc)
- return rc;
-
- qp->cq_prod = cq_prod;
-
- rc = qed_roce_sp_destroy_qp_requester(p_hwfn, qp,
- &num_bound_mw);
-
- if (num_invalidated_mw != num_bound_mw) {
- DP_NOTICE(p_hwfn,
- "number of invalidate memory windows is different from bounded ones\n");
- return -EINVAL;
- }
- } else {
- DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "0\n");
- }
-
- return rc;
-}
-
static int qed_rdma_modify_qp(void *rdma_cxt,
struct qed_rdma_qp *qp,
struct qed_rdma_modify_qp_in_params *params)
return rc;
}
-static void qed_roce_free_real_icid(struct qed_hwfn *p_hwfn, u16 icid)
-{
- struct qed_rdma_info *p_rdma_info = p_hwfn->p_rdma_info;
- u32 start_cid, cid, xcid;
-
- /* an even icid belongs to a responder while an odd icid belongs to a
- * requester. The 'cid' received as an input can be either. We calculate
- * the "partner" icid and call it xcid. Only if both are free then the
- * "cid" map can be cleared.
- */
- start_cid = qed_cxt_get_proto_cid_start(p_hwfn, p_rdma_info->proto);
- cid = icid - start_cid;
- xcid = cid ^ 1;
-
- spin_lock_bh(&p_rdma_info->lock);
-
- qed_bmap_release_id(p_hwfn, &p_rdma_info->real_cid_map, cid);
- if (qed_bmap_test_id(p_hwfn, &p_rdma_info->real_cid_map, xcid) == 0) {
- qed_bmap_release_id(p_hwfn, &p_rdma_info->cid_map, cid);
- qed_bmap_release_id(p_hwfn, &p_rdma_info->cid_map, xcid);
- }
-
- spin_unlock_bh(&p_hwfn->p_rdma_info->lock);
-}
-
static void *qed_rdma_get_rdma_ctx(struct qed_dev *cdev)
{
return QED_LEADING_HWFN(cdev);
}
-static bool qed_rdma_allocated_qps(struct qed_hwfn *p_hwfn)
+bool qed_rdma_allocated_qps(struct qed_hwfn *p_hwfn)
{
bool result;
return result;
}
-static void qed_rdma_dpm_conf(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
+void qed_rdma_dpm_conf(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
{
u32 val;
val, p_hwfn->dcbx_no_edpm, p_hwfn->db_bar_no_edpm);
}
-void qed_roce_dpm_dcbx(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
-{
- u8 val;
-
- /* if any QPs are already active, we want to disable DPM, since their
- * context information contains information from before the latest DCBx
- * update. Otherwise enable it.
- */
- val = qed_rdma_allocated_qps(p_hwfn) ? true : false;
- p_hwfn->dcbx_no_edpm = (u8)val;
-
- qed_rdma_dpm_conf(p_hwfn, p_ptt);
-}
void qed_rdma_dpm_bar(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
{
#include "qed_ll2.h"
#include "qed_mcp.h"
#include "qed_reg_addr.h"
-#include "qed_roce.h"
#include <linux/qed/qed_roce_if.h>
+#include "qed_rdma.h"
+#include "qed_roce.h"
#include "qed_sp.h"
static void qed_roce_free_real_icid(struct qed_hwfn *p_hwfn, u16 icid);
u8 fw_event_code,
u16 echo, union event_ring_data *data, u8 fw_return_code)
{
- if (fw_event_code == ROCE_ASYNC_EVENT_DESTROY_QP_DONE) {
- u16 icid =
- (u16)le32_to_cpu(data->rdma_data.rdma_destroy_qp_data.cid);
-
- /* icid release in this async event can occur only if the icid
- * was offloaded to the FW. In case it wasn't offloaded this is
- * handled in qed_roce_sp_destroy_qp.
- */
- qed_roce_free_real_icid(p_hwfn, icid);
- } else {
- struct qed_rdma_events *events = &p_hwfn->p_rdma_info->events;
-
- events->affiliated_event(p_hwfn->p_rdma_info->events.context,
- fw_event_code,
- (void *)&data->rdma_data.async_handle);
- }
-
- return 0;
-}
-
-static int qed_rdma_bmap_alloc(struct qed_hwfn *p_hwfn,
- struct qed_bmap *bmap, u32 max_count, char *name)
-{
- DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "max_count = %08x\n", max_count);
-
- bmap->max_count = max_count;
-
- bmap->bitmap = kcalloc(BITS_TO_LONGS(max_count), sizeof(long),
- GFP_KERNEL);
- if (!bmap->bitmap)
- return -ENOMEM;
-
- snprintf(bmap->name, QED_RDMA_MAX_BMAP_NAME, "%s", name);
-
- DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "0\n");
- return 0;
-}
-
-static int qed_rdma_bmap_alloc_id(struct qed_hwfn *p_hwfn,
- struct qed_bmap *bmap, u32 *id_num)
-{
- *id_num = find_first_zero_bit(bmap->bitmap, bmap->max_count);
- if (*id_num >= bmap->max_count)
- return -EINVAL;
-
- __set_bit(*id_num, bmap->bitmap);
-
- DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "%s bitmap: allocated id %d\n",
- bmap->name, *id_num);
-
- return 0;
-}
-
-static void qed_bmap_set_id(struct qed_hwfn *p_hwfn,
- struct qed_bmap *bmap, u32 id_num)
-{
- if (id_num >= bmap->max_count)
- return;
-
- __set_bit(id_num, bmap->bitmap);
-}
-
-static void qed_bmap_release_id(struct qed_hwfn *p_hwfn,
- struct qed_bmap *bmap, u32 id_num)
-{
- bool b_acquired;
-
- if (id_num >= bmap->max_count)
- return;
-
- b_acquired = test_and_clear_bit(id_num, bmap->bitmap);
- if (!b_acquired) {
- DP_NOTICE(p_hwfn, "%s bitmap: id %d already released\n",
- bmap->name, id_num);
- return;
- }
-
- DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "%s bitmap: released id %d\n",
- bmap->name, id_num);
-}
-
-static int qed_bmap_test_id(struct qed_hwfn *p_hwfn,
- struct qed_bmap *bmap, u32 id_num)
-{
- if (id_num >= bmap->max_count)
- return -1;
-
- return test_bit(id_num, bmap->bitmap);
-}
-
-static bool qed_bmap_is_empty(struct qed_bmap *bmap)
-{
- return bmap->max_count == find_first_bit(bmap->bitmap, bmap->max_count);
-}
-
-static u32 qed_rdma_get_sb_id(void *p_hwfn, u32 rel_sb_id)
-{
- /* First sb id for RoCE is after all the l2 sb */
- return FEAT_NUM((struct qed_hwfn *)p_hwfn, QED_PF_L2_QUE) + rel_sb_id;
-}
-
-static int qed_rdma_alloc(struct qed_hwfn *p_hwfn,
- struct qed_ptt *p_ptt,
- struct qed_rdma_start_in_params *params)
-{
- struct qed_rdma_info *p_rdma_info;
- u32 num_cons, num_tasks;
- int rc = -ENOMEM;
-
- DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "Allocating RDMA\n");
-
- /* Allocate a struct with current pf rdma info */
- p_rdma_info = kzalloc(sizeof(*p_rdma_info), GFP_KERNEL);
- if (!p_rdma_info)
- return rc;
-
- p_hwfn->p_rdma_info = p_rdma_info;
- p_rdma_info->proto = PROTOCOLID_ROCE;
-
- num_cons = qed_cxt_get_proto_cid_count(p_hwfn, p_rdma_info->proto,
- NULL);
-
- p_rdma_info->num_qps = num_cons / 2;
-
- num_tasks = qed_cxt_get_proto_tid_count(p_hwfn, PROTOCOLID_ROCE);
-
- /* Each MR uses a single task */
- p_rdma_info->num_mrs = num_tasks;
-
- /* Queue zone lines are shared between RoCE and L2 in such a way that
- * they can be used by each without obstructing the other.
- */
- p_rdma_info->queue_zone_base = (u16)RESC_START(p_hwfn, QED_L2_QUEUE);
- p_rdma_info->max_queue_zones = (u16)RESC_NUM(p_hwfn, QED_L2_QUEUE);
-
- /* Allocate a struct with device params and fill it */
- p_rdma_info->dev = kzalloc(sizeof(*p_rdma_info->dev), GFP_KERNEL);
- if (!p_rdma_info->dev)
- goto free_rdma_info;
-
- /* Allocate a struct with port params and fill it */
- p_rdma_info->port = kzalloc(sizeof(*p_rdma_info->port), GFP_KERNEL);
- if (!p_rdma_info->port)
- goto free_rdma_dev;
-
- /* Allocate bit map for pd's */
- rc = qed_rdma_bmap_alloc(p_hwfn, &p_rdma_info->pd_map, RDMA_MAX_PDS,
- "PD");
- if (rc) {
- DP_VERBOSE(p_hwfn, QED_MSG_RDMA,
- "Failed to allocate pd_map, rc = %d\n",
- rc);
- goto free_rdma_port;
- }
-
- /* Allocate DPI bitmap */
- rc = qed_rdma_bmap_alloc(p_hwfn, &p_rdma_info->dpi_map,
- p_hwfn->dpi_count, "DPI");
- if (rc) {
- DP_VERBOSE(p_hwfn, QED_MSG_RDMA,
- "Failed to allocate DPI bitmap, rc = %d\n", rc);
- goto free_pd_map;
- }
-
- /* Allocate bitmap for cq's. The maximum number of CQs is bounded to
- * twice the number of QPs.
- */
- rc = qed_rdma_bmap_alloc(p_hwfn, &p_rdma_info->cq_map,
- p_rdma_info->num_qps * 2, "CQ");
- if (rc) {
- DP_VERBOSE(p_hwfn, QED_MSG_RDMA,
- "Failed to allocate cq bitmap, rc = %d\n", rc);
- goto free_dpi_map;
- }
-
- /* Allocate bitmap for toggle bit for cq icids
- * We toggle the bit every time we create or resize cq for a given icid.
- * The maximum number of CQs is bounded to twice the number of QPs.
- */
- rc = qed_rdma_bmap_alloc(p_hwfn, &p_rdma_info->toggle_bits,
- p_rdma_info->num_qps * 2, "Toggle");
- if (rc) {
- DP_VERBOSE(p_hwfn, QED_MSG_RDMA,
- "Failed to allocate toogle bits, rc = %d\n", rc);
- goto free_cq_map;
- }
-
- /* Allocate bitmap for itids */
- rc = qed_rdma_bmap_alloc(p_hwfn, &p_rdma_info->tid_map,
- p_rdma_info->num_mrs, "MR");
- if (rc) {
- DP_VERBOSE(p_hwfn, QED_MSG_RDMA,
- "Failed to allocate itids bitmaps, rc = %d\n", rc);
- goto free_toggle_map;
- }
-
- /* Allocate bitmap for cids used for qps. */
- rc = qed_rdma_bmap_alloc(p_hwfn, &p_rdma_info->cid_map, num_cons,
- "CID");
- if (rc) {
- DP_VERBOSE(p_hwfn, QED_MSG_RDMA,
- "Failed to allocate cid bitmap, rc = %d\n", rc);
- goto free_tid_map;
- }
-
- /* Allocate bitmap for cids used for responders/requesters. */
- rc = qed_rdma_bmap_alloc(p_hwfn, &p_rdma_info->real_cid_map, num_cons,
- "REAL_CID");
- if (rc) {
- DP_VERBOSE(p_hwfn, QED_MSG_RDMA,
- "Failed to allocate real cid bitmap, rc = %d\n", rc);
- goto free_cid_map;
- }
- DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "Allocation successful\n");
- return 0;
-
-free_cid_map:
- kfree(p_rdma_info->cid_map.bitmap);
-free_tid_map:
- kfree(p_rdma_info->tid_map.bitmap);
-free_toggle_map:
- kfree(p_rdma_info->toggle_bits.bitmap);
-free_cq_map:
- kfree(p_rdma_info->cq_map.bitmap);
-free_dpi_map:
- kfree(p_rdma_info->dpi_map.bitmap);
-free_pd_map:
- kfree(p_rdma_info->pd_map.bitmap);
-free_rdma_port:
- kfree(p_rdma_info->port);
-free_rdma_dev:
- kfree(p_rdma_info->dev);
-free_rdma_info:
- kfree(p_rdma_info);
-
- return rc;
-}
-
-static void qed_rdma_bmap_free(struct qed_hwfn *p_hwfn,
- struct qed_bmap *bmap, bool check)
-{
- int weight = bitmap_weight(bmap->bitmap, bmap->max_count);
- int last_line = bmap->max_count / (64 * 8);
- int last_item = last_line * 8 +
- DIV_ROUND_UP(bmap->max_count % (64 * 8), 64);
- u64 *pmap = (u64 *)bmap->bitmap;
- int line, item, offset;
- u8 str_last_line[200] = { 0 };
-
- if (!weight || !check)
- goto end;
-
- DP_NOTICE(p_hwfn,
- "%s bitmap not free - size=%d, weight=%d, 512 bits per line\n",
- bmap->name, bmap->max_count, weight);
-
- /* print aligned non-zero lines, if any */
- for (item = 0, line = 0; line < last_line; line++, item += 8)
- if (bitmap_weight((unsigned long *)&pmap[item], 64 * 8))
- DP_NOTICE(p_hwfn,
- "line 0x%04x: 0x%016llx 0x%016llx 0x%016llx 0x%016llx 0x%016llx 0x%016llx 0x%016llx 0x%016llx\n",
- line,
- pmap[item],
- pmap[item + 1],
- pmap[item + 2],
- pmap[item + 3],
- pmap[item + 4],
- pmap[item + 5],
- pmap[item + 6], pmap[item + 7]);
-
- /* print last unaligned non-zero line, if any */
- if ((bmap->max_count % (64 * 8)) &&
- (bitmap_weight((unsigned long *)&pmap[item],
- bmap->max_count - item * 64))) {
- offset = sprintf(str_last_line, "line 0x%04x: ", line);
- for (; item < last_item; item++)
- offset += sprintf(str_last_line + offset,
- "0x%016llx ", pmap[item]);
- DP_NOTICE(p_hwfn, "%s\n", str_last_line);
- }
-
-end:
- kfree(bmap->bitmap);
- bmap->bitmap = NULL;
-}
-
-static void qed_rdma_resc_free(struct qed_hwfn *p_hwfn)
-{
- struct qed_rdma_info *p_rdma_info = p_hwfn->p_rdma_info;
-
- qed_rdma_bmap_free(p_hwfn, &p_hwfn->p_rdma_info->cid_map, 1);
- qed_rdma_bmap_free(p_hwfn, &p_hwfn->p_rdma_info->pd_map, 1);
- qed_rdma_bmap_free(p_hwfn, &p_hwfn->p_rdma_info->dpi_map, 1);
- qed_rdma_bmap_free(p_hwfn, &p_hwfn->p_rdma_info->cq_map, 1);
- qed_rdma_bmap_free(p_hwfn, &p_hwfn->p_rdma_info->toggle_bits, 0);
- qed_rdma_bmap_free(p_hwfn, &p_hwfn->p_rdma_info->tid_map, 1);
-
- kfree(p_rdma_info->port);
- kfree(p_rdma_info->dev);
-
- kfree(p_rdma_info);
-}
-
-static void qed_rdma_free(struct qed_hwfn *p_hwfn)
-{
- DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "Freeing RDMA\n");
-
- qed_rdma_resc_free(p_hwfn);
-}
-
-static void qed_rdma_get_guid(struct qed_hwfn *p_hwfn, u8 *guid)
-{
- guid[0] = p_hwfn->hw_info.hw_mac_addr[0] ^ 2;
- guid[1] = p_hwfn->hw_info.hw_mac_addr[1];
- guid[2] = p_hwfn->hw_info.hw_mac_addr[2];
- guid[3] = 0xff;
- guid[4] = 0xfe;
- guid[5] = p_hwfn->hw_info.hw_mac_addr[3];
- guid[6] = p_hwfn->hw_info.hw_mac_addr[4];
- guid[7] = p_hwfn->hw_info.hw_mac_addr[5];
-}
-
-static void qed_rdma_init_events(struct qed_hwfn *p_hwfn,
- struct qed_rdma_start_in_params *params)
-{
- struct qed_rdma_events *events;
-
- events = &p_hwfn->p_rdma_info->events;
-
- events->unaffiliated_event = params->events->unaffiliated_event;
- events->affiliated_event = params->events->affiliated_event;
- events->context = params->events->context;
-}
-
-static void qed_rdma_init_devinfo(struct qed_hwfn *p_hwfn,
- struct qed_rdma_start_in_params *params)
-{
- struct qed_rdma_device *dev = p_hwfn->p_rdma_info->dev;
- struct qed_dev *cdev = p_hwfn->cdev;
- u32 pci_status_control;
- u32 num_qps;
-
- /* Vendor specific information */
- dev->vendor_id = cdev->vendor_id;
- dev->vendor_part_id = cdev->device_id;
- dev->hw_ver = 0;
- dev->fw_ver = (FW_MAJOR_VERSION << 24) | (FW_MINOR_VERSION << 16) |
- (FW_REVISION_VERSION << 8) | (FW_ENGINEERING_VERSION);
-
- qed_rdma_get_guid(p_hwfn, (u8 *)&dev->sys_image_guid);
- dev->node_guid = dev->sys_image_guid;
-
- dev->max_sge = min_t(u32, RDMA_MAX_SGE_PER_SQ_WQE,
- RDMA_MAX_SGE_PER_RQ_WQE);
-
- if (cdev->rdma_max_sge)
- dev->max_sge = min_t(u32, cdev->rdma_max_sge, dev->max_sge);
-
- dev->max_inline = ROCE_REQ_MAX_INLINE_DATA_SIZE;
-
- dev->max_inline = (cdev->rdma_max_inline) ?
- min_t(u32, cdev->rdma_max_inline, dev->max_inline) :
- dev->max_inline;
-
- dev->max_wqe = QED_RDMA_MAX_WQE;
- dev->max_cnq = (u8)FEAT_NUM(p_hwfn, QED_RDMA_CNQ);
-
- /* The number of QPs may be higher than QED_ROCE_MAX_QPS, because
- * it is up-aligned to 16 and then to ILT page size within qed cxt.
- * This is OK in terms of ILT but we don't want to configure the FW
- * above its abilities
- */
- num_qps = ROCE_MAX_QPS;
- num_qps = min_t(u64, num_qps, p_hwfn->p_rdma_info->num_qps);
- dev->max_qp = num_qps;
-
- /* CQs uses the same icids that QPs use hence they are limited by the
- * number of icids. There are two icids per QP.
- */
- dev->max_cq = num_qps * 2;
-
- /* The number of mrs is smaller by 1 since the first is reserved */
- dev->max_mr = p_hwfn->p_rdma_info->num_mrs - 1;
- dev->max_mr_size = QED_RDMA_MAX_MR_SIZE;
-
- /* The maximum CQE capacity per CQ supported.
- * max number of cqes will be in two layer pbl,
- * 8 is the pointer size in bytes
- * 32 is the size of cq element in bytes
- */
- if (params->cq_mode == QED_RDMA_CQ_MODE_32_BITS)
- dev->max_cqe = QED_RDMA_MAX_CQE_32_BIT;
- else
- dev->max_cqe = QED_RDMA_MAX_CQE_16_BIT;
-
- dev->max_mw = 0;
- dev->max_fmr = QED_RDMA_MAX_FMR;
- dev->max_mr_mw_fmr_pbl = (PAGE_SIZE / 8) * (PAGE_SIZE / 8);
- dev->max_mr_mw_fmr_size = dev->max_mr_mw_fmr_pbl * PAGE_SIZE;
- dev->max_pkey = QED_RDMA_MAX_P_KEY;
-
- dev->max_qp_resp_rd_atomic_resc = RDMA_RING_PAGE_SIZE /
- (RDMA_RESP_RD_ATOMIC_ELM_SIZE * 2);
- dev->max_qp_req_rd_atomic_resc = RDMA_RING_PAGE_SIZE /
- RDMA_REQ_RD_ATOMIC_ELM_SIZE;
- dev->max_dev_resp_rd_atomic_resc = dev->max_qp_resp_rd_atomic_resc *
- p_hwfn->p_rdma_info->num_qps;
- dev->page_size_caps = QED_RDMA_PAGE_SIZE_CAPS;
- dev->dev_ack_delay = QED_RDMA_ACK_DELAY;
- dev->max_pd = RDMA_MAX_PDS;
- dev->max_ah = p_hwfn->p_rdma_info->num_qps;
- dev->max_stats_queues = (u8)RESC_NUM(p_hwfn, QED_RDMA_STATS_QUEUE);
-
- /* Set capablities */
- dev->dev_caps = 0;
- SET_FIELD(dev->dev_caps, QED_RDMA_DEV_CAP_RNR_NAK, 1);
- SET_FIELD(dev->dev_caps, QED_RDMA_DEV_CAP_PORT_ACTIVE_EVENT, 1);
- SET_FIELD(dev->dev_caps, QED_RDMA_DEV_CAP_PORT_CHANGE_EVENT, 1);
- SET_FIELD(dev->dev_caps, QED_RDMA_DEV_CAP_RESIZE_CQ, 1);
- SET_FIELD(dev->dev_caps, QED_RDMA_DEV_CAP_BASE_MEMORY_EXT, 1);
- SET_FIELD(dev->dev_caps, QED_RDMA_DEV_CAP_BASE_QUEUE_EXT, 1);
- SET_FIELD(dev->dev_caps, QED_RDMA_DEV_CAP_ZBVA, 1);
- SET_FIELD(dev->dev_caps, QED_RDMA_DEV_CAP_LOCAL_INV_FENCE, 1);
-
- /* Check atomic operations support in PCI configuration space. */
- pci_read_config_dword(cdev->pdev,
- cdev->pdev->pcie_cap + PCI_EXP_DEVCTL2,
- &pci_status_control);
-
- if (pci_status_control & PCI_EXP_DEVCTL2_LTR_EN)
- SET_FIELD(dev->dev_caps, QED_RDMA_DEV_CAP_ATOMIC_OP, 1);
-}
-
-static void qed_rdma_init_port(struct qed_hwfn *p_hwfn)
-{
- struct qed_rdma_port *port = p_hwfn->p_rdma_info->port;
- struct qed_rdma_device *dev = p_hwfn->p_rdma_info->dev;
-
- port->port_state = p_hwfn->mcp_info->link_output.link_up ?
- QED_RDMA_PORT_UP : QED_RDMA_PORT_DOWN;
-
- port->max_msg_size = min_t(u64,
- (dev->max_mr_mw_fmr_size *
- p_hwfn->cdev->rdma_max_sge),
- BIT(31));
-
- port->pkey_bad_counter = 0;
-}
-
-static int qed_rdma_init_hw(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
-{
- u32 ll2_ethertype_en;
-
- DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "Initializing HW\n");
- p_hwfn->b_rdma_enabled_in_prs = false;
-
- qed_wr(p_hwfn, p_ptt, PRS_REG_ROCE_DEST_QP_MAX_PF, 0);
-
- p_hwfn->rdma_prs_search_reg = PRS_REG_SEARCH_ROCE;
-
- /* We delay writing to this reg until first cid is allocated. See
- * qed_cxt_dynamic_ilt_alloc function for more details
- */
- ll2_ethertype_en = qed_rd(p_hwfn, p_ptt, PRS_REG_LIGHT_L2_ETHERTYPE_EN);
- qed_wr(p_hwfn, p_ptt, PRS_REG_LIGHT_L2_ETHERTYPE_EN,
- (ll2_ethertype_en | 0x01));
-
- if (qed_cxt_get_proto_cid_start(p_hwfn, PROTOCOLID_ROCE) % 2) {
- DP_NOTICE(p_hwfn, "The first RoCE's cid should be even\n");
- return -EINVAL;
- }
-
- DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "Initializing HW - Done\n");
- return 0;
-}
-
-static int qed_rdma_start_fw(struct qed_hwfn *p_hwfn,
- struct qed_rdma_start_in_params *params,
- struct qed_ptt *p_ptt)
-{
- struct rdma_init_func_ramrod_data *p_ramrod;
- struct qed_rdma_cnq_params *p_cnq_pbl_list;
- struct rdma_init_func_hdr *p_params_header;
- struct rdma_cnq_params *p_cnq_params;
- struct qed_sp_init_data init_data;
- struct qed_spq_entry *p_ent;
- u32 cnq_id, sb_id;
- u16 igu_sb_id;
- int rc;
-
- DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "Starting FW\n");
-
- /* Save the number of cnqs for the function close ramrod */
- p_hwfn->p_rdma_info->num_cnqs = params->desired_cnq;
-
- /* Get SPQ entry */
- memset(&init_data, 0, sizeof(init_data));
- init_data.opaque_fid = p_hwfn->hw_info.opaque_fid;
- init_data.comp_mode = QED_SPQ_MODE_EBLOCK;
-
- rc = qed_sp_init_request(p_hwfn, &p_ent, RDMA_RAMROD_FUNC_INIT,
- p_hwfn->p_rdma_info->proto, &init_data);
- if (rc)
- return rc;
-
- p_ramrod = &p_ent->ramrod.roce_init_func.rdma;
-
- p_params_header = &p_ramrod->params_header;
- p_params_header->cnq_start_offset = (u8)RESC_START(p_hwfn,
- QED_RDMA_CNQ_RAM);
- p_params_header->num_cnqs = params->desired_cnq;
-
- if (params->cq_mode == QED_RDMA_CQ_MODE_16_BITS)
- p_params_header->cq_ring_mode = 1;
- else
- p_params_header->cq_ring_mode = 0;
-
- for (cnq_id = 0; cnq_id < params->desired_cnq; cnq_id++) {
- sb_id = qed_rdma_get_sb_id(p_hwfn, cnq_id);
- igu_sb_id = qed_get_igu_sb_id(p_hwfn, sb_id);
- p_ramrod->cnq_params[cnq_id].sb_num = cpu_to_le16(igu_sb_id);
- p_cnq_params = &p_ramrod->cnq_params[cnq_id];
- p_cnq_pbl_list = ¶ms->cnq_pbl_list[cnq_id];
-
- p_cnq_params->sb_index = p_hwfn->pf_params.rdma_pf_params.gl_pi;
- p_cnq_params->num_pbl_pages = p_cnq_pbl_list->num_pbl_pages;
-
- DMA_REGPAIR_LE(p_cnq_params->pbl_base_addr,
- p_cnq_pbl_list->pbl_ptr);
-
- /* we assume here that cnq_id and qz_offset are the same */
- p_cnq_params->queue_zone_num =
- cpu_to_le16(p_hwfn->p_rdma_info->queue_zone_base +
- cnq_id);
- }
-
- return qed_spq_post(p_hwfn, p_ent, NULL);
-}
-
-static int qed_rdma_alloc_tid(void *rdma_cxt, u32 *itid)
-{
- struct qed_hwfn *p_hwfn = (struct qed_hwfn *)rdma_cxt;
- int rc;
-
- DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "Allocate TID\n");
-
- spin_lock_bh(&p_hwfn->p_rdma_info->lock);
- rc = qed_rdma_bmap_alloc_id(p_hwfn,
- &p_hwfn->p_rdma_info->tid_map, itid);
- spin_unlock_bh(&p_hwfn->p_rdma_info->lock);
- if (rc)
- goto out;
-
- rc = qed_cxt_dynamic_ilt_alloc(p_hwfn, QED_ELEM_TASK, *itid);
-out:
- DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "Allocate TID - done, rc = %d\n", rc);
- return rc;
-}
-
-static int qed_rdma_reserve_lkey(struct qed_hwfn *p_hwfn)
-{
- struct qed_rdma_device *dev = p_hwfn->p_rdma_info->dev;
-
- /* The first DPI is reserved for the Kernel */
- __set_bit(0, p_hwfn->p_rdma_info->dpi_map.bitmap);
-
- /* Tid 0 will be used as the key for "reserved MR".
- * The driver should allocate memory for it so it can be loaded but no
- * ramrod should be passed on it.
- */
- qed_rdma_alloc_tid(p_hwfn, &dev->reserved_lkey);
- if (dev->reserved_lkey != RDMA_RESERVED_LKEY) {
- DP_NOTICE(p_hwfn,
- "Reserved lkey should be equal to RDMA_RESERVED_LKEY\n");
- return -EINVAL;
- }
-
- return 0;
-}
-
-static int qed_rdma_setup(struct qed_hwfn *p_hwfn,
- struct qed_ptt *p_ptt,
- struct qed_rdma_start_in_params *params)
-{
- int rc;
-
- DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "RDMA setup\n");
-
- spin_lock_init(&p_hwfn->p_rdma_info->lock);
-
- qed_rdma_init_devinfo(p_hwfn, params);
- qed_rdma_init_port(p_hwfn);
- qed_rdma_init_events(p_hwfn, params);
-
- rc = qed_rdma_reserve_lkey(p_hwfn);
- if (rc)
- return rc;
-
- rc = qed_rdma_init_hw(p_hwfn, p_ptt);
- if (rc)
- return rc;
-
- qed_spq_register_async_cb(p_hwfn, PROTOCOLID_ROCE,
- qed_roce_async_event);
-
- return qed_rdma_start_fw(p_hwfn, params, p_ptt);
-}
-
-void qed_roce_stop(struct qed_hwfn *p_hwfn)
-{
- struct qed_bmap *rcid_map = &p_hwfn->p_rdma_info->real_cid_map;
- int wait_count = 0;
-
- /* when destroying a_RoCE QP the control is returned to the user after
- * the synchronous part. The asynchronous part may take a little longer.
- * We delay for a short while if an async destroy QP is still expected.
- * Beyond the added delay we clear the bitmap anyway.
- */
- while (bitmap_weight(rcid_map->bitmap, rcid_map->max_count)) {
- msleep(100);
- if (wait_count++ > 20) {
- DP_NOTICE(p_hwfn, "cid bitmap wait timed out\n");
- break;
- }
- }
- qed_spq_unregister_async_cb(p_hwfn, PROTOCOLID_ROCE);
-}
-
-static int qed_rdma_stop(void *rdma_cxt)
-{
- struct qed_hwfn *p_hwfn = (struct qed_hwfn *)rdma_cxt;
- struct rdma_close_func_ramrod_data *p_ramrod;
- struct qed_sp_init_data init_data;
- struct qed_spq_entry *p_ent;
- struct qed_ptt *p_ptt;
- u32 ll2_ethertype_en;
- int rc = -EBUSY;
-
- DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "RDMA stop\n");
-
- p_ptt = qed_ptt_acquire(p_hwfn);
- if (!p_ptt) {
- DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "Failed to acquire PTT\n");
- return rc;
- }
-
- /* Disable RoCE search */
- qed_wr(p_hwfn, p_ptt, p_hwfn->rdma_prs_search_reg, 0);
- p_hwfn->b_rdma_enabled_in_prs = false;
-
- qed_wr(p_hwfn, p_ptt, PRS_REG_ROCE_DEST_QP_MAX_PF, 0);
-
- ll2_ethertype_en = qed_rd(p_hwfn, p_ptt, PRS_REG_LIGHT_L2_ETHERTYPE_EN);
-
- qed_wr(p_hwfn, p_ptt, PRS_REG_LIGHT_L2_ETHERTYPE_EN,
- (ll2_ethertype_en & 0xFFFE));
-
- qed_roce_stop(p_hwfn);
- qed_ptt_release(p_hwfn, p_ptt);
-
- /* Get SPQ entry */
- memset(&init_data, 0, sizeof(init_data));
- init_data.opaque_fid = p_hwfn->hw_info.opaque_fid;
- init_data.comp_mode = QED_SPQ_MODE_EBLOCK;
-
- /* Stop RoCE */
- rc = qed_sp_init_request(p_hwfn, &p_ent, RDMA_RAMROD_FUNC_CLOSE,
- p_hwfn->p_rdma_info->proto, &init_data);
- if (rc)
- goto out;
-
- p_ramrod = &p_ent->ramrod.rdma_close_func;
-
- p_ramrod->num_cnqs = p_hwfn->p_rdma_info->num_cnqs;
- p_ramrod->cnq_start_offset = (u8)RESC_START(p_hwfn, QED_RDMA_CNQ_RAM);
-
- rc = qed_spq_post(p_hwfn, p_ent, NULL);
-
-out:
- qed_rdma_free(p_hwfn);
-
- DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "RDMA stop done, rc = %d\n", rc);
- return rc;
-}
-
-static int qed_rdma_add_user(void *rdma_cxt,
- struct qed_rdma_add_user_out_params *out_params)
-{
- struct qed_hwfn *p_hwfn = (struct qed_hwfn *)rdma_cxt;
- u32 dpi_start_offset;
- u32 returned_id = 0;
- int rc;
-
- DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "Adding User\n");
-
- /* Allocate DPI */
- spin_lock_bh(&p_hwfn->p_rdma_info->lock);
- rc = qed_rdma_bmap_alloc_id(p_hwfn, &p_hwfn->p_rdma_info->dpi_map,
- &returned_id);
- spin_unlock_bh(&p_hwfn->p_rdma_info->lock);
-
- out_params->dpi = (u16)returned_id;
-
- /* Calculate the corresponding DPI address */
- dpi_start_offset = p_hwfn->dpi_start_offset;
-
- out_params->dpi_addr = (u64)((u8 __iomem *)p_hwfn->doorbells +
- dpi_start_offset +
- ((out_params->dpi) * p_hwfn->dpi_size));
-
- out_params->dpi_phys_addr = p_hwfn->cdev->db_phys_addr +
- dpi_start_offset +
- ((out_params->dpi) * p_hwfn->dpi_size);
-
- out_params->dpi_size = p_hwfn->dpi_size;
- out_params->wid_count = p_hwfn->wid_count;
-
- DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "Adding user - done, rc = %d\n", rc);
- return rc;
-}
-
-static struct qed_rdma_port *qed_rdma_query_port(void *rdma_cxt)
-{
- struct qed_hwfn *p_hwfn = (struct qed_hwfn *)rdma_cxt;
- struct qed_rdma_port *p_port = p_hwfn->p_rdma_info->port;
-
- DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "RDMA Query port\n");
-
- /* Link may have changed */
- p_port->port_state = p_hwfn->mcp_info->link_output.link_up ?
- QED_RDMA_PORT_UP : QED_RDMA_PORT_DOWN;
-
- p_port->link_speed = p_hwfn->mcp_info->link_output.speed;
-
- p_port->max_msg_size = RDMA_MAX_DATA_SIZE_IN_WQE;
-
- return p_port;
-}
-
-static struct qed_rdma_device *qed_rdma_query_device(void *rdma_cxt)
-{
- struct qed_hwfn *p_hwfn = (struct qed_hwfn *)rdma_cxt;
-
- DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "Query device\n");
-
- /* Return struct with device parameters */
- return p_hwfn->p_rdma_info->dev;
-}
-
-static void qed_rdma_free_tid(void *rdma_cxt, u32 itid)
-{
- struct qed_hwfn *p_hwfn = (struct qed_hwfn *)rdma_cxt;
-
- DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "itid = %08x\n", itid);
-
- spin_lock_bh(&p_hwfn->p_rdma_info->lock);
- qed_bmap_release_id(p_hwfn, &p_hwfn->p_rdma_info->tid_map, itid);
- spin_unlock_bh(&p_hwfn->p_rdma_info->lock);
-}
-
-static void qed_rdma_cnq_prod_update(void *rdma_cxt, u8 qz_offset, u16 prod)
-{
- struct qed_hwfn *p_hwfn;
- u16 qz_num;
- u32 addr;
-
- p_hwfn = (struct qed_hwfn *)rdma_cxt;
-
- if (qz_offset > p_hwfn->p_rdma_info->max_queue_zones) {
- DP_NOTICE(p_hwfn,
- "queue zone offset %d is too large (max is %d)\n",
- qz_offset, p_hwfn->p_rdma_info->max_queue_zones);
- return;
- }
-
- qz_num = p_hwfn->p_rdma_info->queue_zone_base + qz_offset;
- addr = GTT_BAR0_MAP_REG_USDM_RAM +
- USTORM_COMMON_QUEUE_CONS_OFFSET(qz_num);
-
- REG_WR16(p_hwfn, addr, prod);
-
- /* keep prod updates ordered */
- wmb();
-}
-
-static int qed_fill_rdma_dev_info(struct qed_dev *cdev,
- struct qed_dev_rdma_info *info)
-{
- struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev);
-
- memset(info, 0, sizeof(*info));
-
- info->rdma_type = QED_RDMA_TYPE_ROCE;
- info->user_dpm_enabled = (p_hwfn->db_bar_no_edpm == 0);
-
- qed_fill_dev_info(cdev, &info->common);
-
- return 0;
-}
-
-static int qed_rdma_get_sb_start(struct qed_dev *cdev)
-{
- int feat_num;
-
- if (cdev->num_hwfns > 1)
- feat_num = FEAT_NUM(QED_LEADING_HWFN(cdev), QED_PF_L2_QUE);
- else
- feat_num = FEAT_NUM(QED_LEADING_HWFN(cdev), QED_PF_L2_QUE) *
- cdev->num_hwfns;
-
- return feat_num;
-}
-
-static int qed_rdma_get_min_cnq_msix(struct qed_dev *cdev)
-{
- int n_cnq = FEAT_NUM(QED_LEADING_HWFN(cdev), QED_RDMA_CNQ);
- int n_msix = cdev->int_params.rdma_msix_cnt;
-
- return min_t(int, n_cnq, n_msix);
-}
-
-static int qed_rdma_set_int(struct qed_dev *cdev, u16 cnt)
-{
- int limit = 0;
-
- /* Mark the fastpath as free/used */
- cdev->int_params.fp_initialized = cnt ? true : false;
-
- if (cdev->int_params.out.int_mode != QED_INT_MODE_MSIX) {
- DP_ERR(cdev,
- "qed roce supports only MSI-X interrupts (detected %d).\n",
- cdev->int_params.out.int_mode);
- return -EINVAL;
- } else if (cdev->int_params.fp_msix_cnt) {
- limit = cdev->int_params.rdma_msix_cnt;
- }
-
- if (!limit)
- return -ENOMEM;
-
- return min_t(int, cnt, limit);
-}
-
-static int qed_rdma_get_int(struct qed_dev *cdev, struct qed_int_info *info)
-{
- memset(info, 0, sizeof(*info));
-
- if (!cdev->int_params.fp_initialized) {
- DP_INFO(cdev,
- "Protocol driver requested interrupt information, but its support is not yet configured\n");
- return -EINVAL;
- }
-
- if (cdev->int_params.out.int_mode == QED_INT_MODE_MSIX) {
- int msix_base = cdev->int_params.rdma_msix_base;
-
- info->msix_cnt = cdev->int_params.rdma_msix_cnt;
- info->msix = &cdev->int_params.msix_table[msix_base];
-
- DP_VERBOSE(cdev, QED_MSG_RDMA, "msix_cnt = %d msix_base=%d\n",
- info->msix_cnt, msix_base);
- }
-
- return 0;
-}
-
-static int qed_rdma_alloc_pd(void *rdma_cxt, u16 *pd)
-{
- struct qed_hwfn *p_hwfn = (struct qed_hwfn *)rdma_cxt;
- u32 returned_id;
- int rc;
-
- DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "Alloc PD\n");
-
- /* Allocates an unused protection domain */
- spin_lock_bh(&p_hwfn->p_rdma_info->lock);
- rc = qed_rdma_bmap_alloc_id(p_hwfn,
- &p_hwfn->p_rdma_info->pd_map, &returned_id);
- spin_unlock_bh(&p_hwfn->p_rdma_info->lock);
-
- *pd = (u16)returned_id;
-
- DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "Alloc PD - done, rc = %d\n", rc);
- return rc;
-}
-
-static void qed_rdma_free_pd(void *rdma_cxt, u16 pd)
-{
- struct qed_hwfn *p_hwfn = (struct qed_hwfn *)rdma_cxt;
-
- DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "pd = %08x\n", pd);
-
- /* Returns a previously allocated protection domain for reuse */
- spin_lock_bh(&p_hwfn->p_rdma_info->lock);
- qed_bmap_release_id(p_hwfn, &p_hwfn->p_rdma_info->pd_map, pd);
- spin_unlock_bh(&p_hwfn->p_rdma_info->lock);
-}
-
-static enum qed_rdma_toggle_bit
-qed_rdma_toggle_bit_create_resize_cq(struct qed_hwfn *p_hwfn, u16 icid)
-{
- struct qed_rdma_info *p_info = p_hwfn->p_rdma_info;
- enum qed_rdma_toggle_bit toggle_bit;
- u32 bmap_id;
-
- DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "icid = %08x\n", icid);
-
- /* the function toggle the bit that is related to a given icid
- * and returns the new toggle bit's value
- */
- bmap_id = icid - qed_cxt_get_proto_cid_start(p_hwfn, p_info->proto);
-
- spin_lock_bh(&p_info->lock);
- toggle_bit = !test_and_change_bit(bmap_id,
- p_info->toggle_bits.bitmap);
- spin_unlock_bh(&p_info->lock);
-
- DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "QED_RDMA_TOGGLE_BIT_= %d\n",
- toggle_bit);
-
- return toggle_bit;
-}
-
-static int qed_rdma_create_cq(void *rdma_cxt,
- struct qed_rdma_create_cq_in_params *params,
- u16 *icid)
-{
- struct qed_hwfn *p_hwfn = (struct qed_hwfn *)rdma_cxt;
- struct qed_rdma_info *p_info = p_hwfn->p_rdma_info;
- struct rdma_create_cq_ramrod_data *p_ramrod;
- enum qed_rdma_toggle_bit toggle_bit;
- struct qed_sp_init_data init_data;
- struct qed_spq_entry *p_ent;
- u32 returned_id, start_cid;
- int rc;
-
- DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "cq_handle = %08x%08x\n",
- params->cq_handle_hi, params->cq_handle_lo);
-
- /* Allocate icid */
- spin_lock_bh(&p_info->lock);
- rc = qed_rdma_bmap_alloc_id(p_hwfn, &p_info->cq_map, &returned_id);
- spin_unlock_bh(&p_info->lock);
-
- if (rc) {
- DP_NOTICE(p_hwfn, "Can't create CQ, rc = %d\n", rc);
- return rc;
- }
-
- start_cid = qed_cxt_get_proto_cid_start(p_hwfn,
- p_info->proto);
- *icid = returned_id + start_cid;
-
- /* Check if icid requires a page allocation */
- rc = qed_cxt_dynamic_ilt_alloc(p_hwfn, QED_ELEM_CXT, *icid);
- if (rc)
- goto err;
-
- /* Get SPQ entry */
- memset(&init_data, 0, sizeof(init_data));
- init_data.cid = *icid;
- init_data.opaque_fid = p_hwfn->hw_info.opaque_fid;
- init_data.comp_mode = QED_SPQ_MODE_EBLOCK;
-
- /* Send create CQ ramrod */
- rc = qed_sp_init_request(p_hwfn, &p_ent,
- RDMA_RAMROD_CREATE_CQ,
- p_info->proto, &init_data);
- if (rc)
- goto err;
-
- p_ramrod = &p_ent->ramrod.rdma_create_cq;
-
- p_ramrod->cq_handle.hi = cpu_to_le32(params->cq_handle_hi);
- p_ramrod->cq_handle.lo = cpu_to_le32(params->cq_handle_lo);
- p_ramrod->dpi = cpu_to_le16(params->dpi);
- p_ramrod->is_two_level_pbl = params->pbl_two_level;
- p_ramrod->max_cqes = cpu_to_le32(params->cq_size);
- DMA_REGPAIR_LE(p_ramrod->pbl_addr, params->pbl_ptr);
- p_ramrod->pbl_num_pages = cpu_to_le16(params->pbl_num_pages);
- p_ramrod->cnq_id = (u8)RESC_START(p_hwfn, QED_RDMA_CNQ_RAM) +
- params->cnq_id;
- p_ramrod->int_timeout = params->int_timeout;
-
- /* toggle the bit for every resize or create cq for a given icid */
- toggle_bit = qed_rdma_toggle_bit_create_resize_cq(p_hwfn, *icid);
-
- p_ramrod->toggle_bit = toggle_bit;
-
- rc = qed_spq_post(p_hwfn, p_ent, NULL);
- if (rc) {
- /* restore toggle bit */
- qed_rdma_toggle_bit_create_resize_cq(p_hwfn, *icid);
- goto err;
- }
-
- DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "Created CQ, rc = %d\n", rc);
- return rc;
-
-err:
- /* release allocated icid */
- spin_lock_bh(&p_info->lock);
- qed_bmap_release_id(p_hwfn, &p_info->cq_map, returned_id);
- spin_unlock_bh(&p_info->lock);
- DP_NOTICE(p_hwfn, "Create CQ failed, rc = %d\n", rc);
-
- return rc;
-}
-
-static int
-qed_rdma_destroy_cq(void *rdma_cxt,
- struct qed_rdma_destroy_cq_in_params *in_params,
- struct qed_rdma_destroy_cq_out_params *out_params)
-{
- struct qed_hwfn *p_hwfn = (struct qed_hwfn *)rdma_cxt;
- struct rdma_destroy_cq_output_params *p_ramrod_res;
- struct rdma_destroy_cq_ramrod_data *p_ramrod;
- struct qed_sp_init_data init_data;
- struct qed_spq_entry *p_ent;
- dma_addr_t ramrod_res_phys;
- enum protocol_type proto;
- int rc = -ENOMEM;
-
- DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "icid = %08x\n", in_params->icid);
-
- p_ramrod_res =
- (struct rdma_destroy_cq_output_params *)
- dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
- sizeof(struct rdma_destroy_cq_output_params),
- &ramrod_res_phys, GFP_KERNEL);
- if (!p_ramrod_res) {
- DP_NOTICE(p_hwfn,
- "qed destroy cq failed: cannot allocate memory (ramrod)\n");
- return rc;
- }
-
- /* Get SPQ entry */
- memset(&init_data, 0, sizeof(init_data));
- init_data.cid = in_params->icid;
- init_data.opaque_fid = p_hwfn->hw_info.opaque_fid;
- init_data.comp_mode = QED_SPQ_MODE_EBLOCK;
- proto = p_hwfn->p_rdma_info->proto;
- /* Send destroy CQ ramrod */
- rc = qed_sp_init_request(p_hwfn, &p_ent,
- RDMA_RAMROD_DESTROY_CQ,
- proto, &init_data);
- if (rc)
- goto err;
-
- p_ramrod = &p_ent->ramrod.rdma_destroy_cq;
- DMA_REGPAIR_LE(p_ramrod->output_params_addr, ramrod_res_phys);
-
- rc = qed_spq_post(p_hwfn, p_ent, NULL);
- if (rc)
- goto err;
-
- out_params->num_cq_notif = le16_to_cpu(p_ramrod_res->cnq_num);
-
- dma_free_coherent(&p_hwfn->cdev->pdev->dev,
- sizeof(struct rdma_destroy_cq_output_params),
- p_ramrod_res, ramrod_res_phys);
-
- /* Free icid */
- spin_lock_bh(&p_hwfn->p_rdma_info->lock);
-
- qed_bmap_release_id(p_hwfn,
- &p_hwfn->p_rdma_info->cq_map,
- (in_params->icid -
- qed_cxt_get_proto_cid_start(p_hwfn, proto)));
-
- spin_unlock_bh(&p_hwfn->p_rdma_info->lock);
+ if (fw_event_code == ROCE_ASYNC_EVENT_DESTROY_QP_DONE) {
+ u16 icid =
+ (u16)le32_to_cpu(data->rdma_data.rdma_destroy_qp_data.cid);
- DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "Destroyed CQ, rc = %d\n", rc);
- return rc;
+ /* icid release in this async event can occur only if the icid
+ * was offloaded to the FW. In case it wasn't offloaded this is
+ * handled in qed_roce_sp_destroy_qp.
+ */
+ qed_roce_free_real_icid(p_hwfn, icid);
+ } else {
+ struct qed_rdma_events *events = &p_hwfn->p_rdma_info->events;
-err: dma_free_coherent(&p_hwfn->cdev->pdev->dev,
- sizeof(struct rdma_destroy_cq_output_params),
- p_ramrod_res, ramrod_res_phys);
+ events->affiliated_event(p_hwfn->p_rdma_info->events.context,
+ fw_event_code,
+ (void *)&data->rdma_data.async_handle);
+ }
- return rc;
+ return 0;
}
-static void qed_rdma_set_fw_mac(u16 *p_fw_mac, u8 *p_qed_mac)
+void qed_roce_stop(struct qed_hwfn *p_hwfn)
{
- p_fw_mac[0] = cpu_to_le16((p_qed_mac[0] << 8) + p_qed_mac[1]);
- p_fw_mac[1] = cpu_to_le16((p_qed_mac[2] << 8) + p_qed_mac[3]);
- p_fw_mac[2] = cpu_to_le16((p_qed_mac[4] << 8) + p_qed_mac[5]);
+ struct qed_bmap *rcid_map = &p_hwfn->p_rdma_info->real_cid_map;
+ int wait_count = 0;
+
+ /* when destroying a_RoCE QP the control is returned to the user after
+ * the synchronous part. The asynchronous part may take a little longer.
+ * We delay for a short while if an async destroy QP is still expected.
+ * Beyond the added delay we clear the bitmap anyway.
+ */
+ while (bitmap_weight(rcid_map->bitmap, rcid_map->max_count)) {
+ msleep(100);
+ if (wait_count++ > 20) {
+ DP_NOTICE(p_hwfn, "cid bitmap wait timed out\n");
+ break;
+ }
+ }
+ qed_spq_unregister_async_cb(p_hwfn, PROTOCOLID_ROCE);
}
static void qed_rdma_copy_gids(struct qed_rdma_qp *qp, __le32 *src_gid,
spin_unlock_bh(&p_hwfn->p_rdma_info->lock);
}
-static int qed_roce_alloc_cid(struct qed_hwfn *p_hwfn, u16 *cid)
+int qed_roce_alloc_cid(struct qed_hwfn *p_hwfn, u16 *cid)
{
struct qed_rdma_info *p_rdma_info = p_hwfn->p_rdma_info;
u32 responder_icid;
return rc;
}
-static int qed_roce_query_qp(struct qed_hwfn *p_hwfn,
- struct qed_rdma_qp *qp,
- struct qed_rdma_query_qp_out_params *out_params)
+int qed_roce_query_qp(struct qed_hwfn *p_hwfn,
+ struct qed_rdma_qp *qp,
+ struct qed_rdma_query_qp_out_params *out_params)
{
struct roce_query_qp_resp_output_params *p_resp_ramrod_res;
struct roce_query_qp_req_output_params *p_req_ramrod_res;
return rc;
}
-static int qed_roce_destroy_qp(struct qed_hwfn *p_hwfn, struct qed_rdma_qp *qp)
+int qed_roce_destroy_qp(struct qed_hwfn *p_hwfn, struct qed_rdma_qp *qp)
{
u32 num_invalidated_mw = 0;
u32 num_bound_mw = 0;
return 0;
}
-static int qed_rdma_query_qp(void *rdma_cxt,
- struct qed_rdma_qp *qp,
- struct qed_rdma_query_qp_out_params *out_params)
-{
- struct qed_hwfn *p_hwfn = (struct qed_hwfn *)rdma_cxt;
- int rc;
-
- DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "icid = %08x\n", qp->icid);
-
- /* The following fields are filled in from qp and not FW as they can't
- * be modified by FW
- */
- out_params->mtu = qp->mtu;
- out_params->dest_qp = qp->dest_qp;
- out_params->incoming_atomic_en = qp->incoming_atomic_en;
- out_params->e2e_flow_control_en = qp->e2e_flow_control_en;
- out_params->incoming_rdma_read_en = qp->incoming_rdma_read_en;
- out_params->incoming_rdma_write_en = qp->incoming_rdma_write_en;
- out_params->dgid = qp->dgid;
- out_params->flow_label = qp->flow_label;
- out_params->hop_limit_ttl = qp->hop_limit_ttl;
- out_params->traffic_class_tos = qp->traffic_class_tos;
- out_params->timeout = qp->ack_timeout;
- out_params->rnr_retry = qp->rnr_retry_cnt;
- out_params->retry_cnt = qp->retry_cnt;
- out_params->min_rnr_nak_timer = qp->min_rnr_nak_timer;
- out_params->pkey_index = 0;
- out_params->max_rd_atomic = qp->max_rd_atomic_req;
- out_params->max_dest_rd_atomic = qp->max_rd_atomic_resp;
- out_params->sqd_async = qp->sqd_async;
-
- rc = qed_roce_query_qp(p_hwfn, qp, out_params);
-
- DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "Query QP, rc = %d\n", rc);
- return rc;
-}
-
-static int qed_rdma_destroy_qp(void *rdma_cxt, struct qed_rdma_qp *qp)
-{
- struct qed_hwfn *p_hwfn = (struct qed_hwfn *)rdma_cxt;
- int rc = 0;
-
- DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "icid = %08x\n", qp->icid);
-
- rc = qed_roce_destroy_qp(p_hwfn, qp);
-
- /* free qp params struct */
- kfree(qp);
-
- DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "QP destroyed\n");
- return rc;
-}
-
-static struct qed_rdma_qp *
-qed_rdma_create_qp(void *rdma_cxt,
- struct qed_rdma_create_qp_in_params *in_params,
- struct qed_rdma_create_qp_out_params *out_params)
-{
- struct qed_hwfn *p_hwfn = (struct qed_hwfn *)rdma_cxt;
- struct qed_rdma_qp *qp;
- u8 max_stats_queues;
- int rc;
-
- if (!rdma_cxt || !in_params || !out_params || !p_hwfn->p_rdma_info) {
- DP_ERR(p_hwfn->cdev,
- "qed roce create qp failed due to NULL entry (rdma_cxt=%p, in=%p, out=%p, roce_info=?\n",
- rdma_cxt, in_params, out_params);
- return NULL;
- }
-
- DP_VERBOSE(p_hwfn, QED_MSG_RDMA,
- "qed rdma create qp called with qp_handle = %08x%08x\n",
- in_params->qp_handle_hi, in_params->qp_handle_lo);
-
- /* Some sanity checks... */
- max_stats_queues = p_hwfn->p_rdma_info->dev->max_stats_queues;
- if (in_params->stats_queue >= max_stats_queues) {
- DP_ERR(p_hwfn->cdev,
- "qed rdma create qp failed due to invalid statistics queue %d. maximum is %d\n",
- in_params->stats_queue, max_stats_queues);
- return NULL;
- }
-
- qp = kzalloc(sizeof(*qp), GFP_KERNEL);
- if (!qp)
- return NULL;
-
- rc = qed_roce_alloc_cid(p_hwfn, &qp->icid);
- qp->qpid = ((0xFF << 16) | qp->icid);
-
- DP_INFO(p_hwfn, "ROCE qpid=%x\n", qp->qpid);
-
- if (rc) {
- kfree(qp);
- return NULL;
- }
-
- qp->cur_state = QED_ROCE_QP_STATE_RESET;
- qp->qp_handle.hi = cpu_to_le32(in_params->qp_handle_hi);
- qp->qp_handle.lo = cpu_to_le32(in_params->qp_handle_lo);
- qp->qp_handle_async.hi = cpu_to_le32(in_params->qp_handle_async_hi);
- qp->qp_handle_async.lo = cpu_to_le32(in_params->qp_handle_async_lo);
- qp->use_srq = in_params->use_srq;
- qp->signal_all = in_params->signal_all;
- qp->fmr_and_reserved_lkey = in_params->fmr_and_reserved_lkey;
- qp->pd = in_params->pd;
- qp->dpi = in_params->dpi;
- qp->sq_cq_id = in_params->sq_cq_id;
- qp->sq_num_pages = in_params->sq_num_pages;
- qp->sq_pbl_ptr = in_params->sq_pbl_ptr;
- qp->rq_cq_id = in_params->rq_cq_id;
- qp->rq_num_pages = in_params->rq_num_pages;
- qp->rq_pbl_ptr = in_params->rq_pbl_ptr;
- qp->srq_id = in_params->srq_id;
- qp->req_offloaded = false;
- qp->resp_offloaded = false;
- qp->e2e_flow_control_en = qp->use_srq ? false : true;
- qp->stats_queue = in_params->stats_queue;
-
- out_params->icid = qp->icid;
- out_params->qp_id = qp->qpid;
-
- DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "Create QP, rc = %d\n", rc);
- return qp;
-}
-
-static int qed_roce_modify_qp(struct qed_hwfn *p_hwfn,
- struct qed_rdma_qp *qp,
- enum qed_roce_qp_state prev_state,
- struct qed_rdma_modify_qp_in_params *params)
+int qed_roce_modify_qp(struct qed_hwfn *p_hwfn,
+ struct qed_rdma_qp *qp,
+ enum qed_roce_qp_state prev_state,
+ struct qed_rdma_modify_qp_in_params *params)
{
u32 num_invalidated_mw = 0, num_bound_mw = 0;
int rc = 0;
return rc;
}
-static int qed_rdma_modify_qp(void *rdma_cxt,
- struct qed_rdma_qp *qp,
- struct qed_rdma_modify_qp_in_params *params)
-{
- struct qed_hwfn *p_hwfn = (struct qed_hwfn *)rdma_cxt;
- enum qed_roce_qp_state prev_state;
- int rc = 0;
-
- DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "icid = %08x params->new_state=%d\n",
- qp->icid, params->new_state);
-
- if (rc) {
- DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "rc = %d\n", rc);
- return rc;
- }
-
- if (GET_FIELD(params->modify_flags,
- QED_RDMA_MODIFY_QP_VALID_RDMA_OPS_EN)) {
- qp->incoming_rdma_read_en = params->incoming_rdma_read_en;
- qp->incoming_rdma_write_en = params->incoming_rdma_write_en;
- qp->incoming_atomic_en = params->incoming_atomic_en;
- }
-
- /* Update QP structure with the updated values */
- if (GET_FIELD(params->modify_flags, QED_ROCE_MODIFY_QP_VALID_ROCE_MODE))
- qp->roce_mode = params->roce_mode;
- if (GET_FIELD(params->modify_flags, QED_ROCE_MODIFY_QP_VALID_PKEY))
- qp->pkey = params->pkey;
- if (GET_FIELD(params->modify_flags,
- QED_ROCE_MODIFY_QP_VALID_E2E_FLOW_CONTROL_EN))
- qp->e2e_flow_control_en = params->e2e_flow_control_en;
- if (GET_FIELD(params->modify_flags, QED_ROCE_MODIFY_QP_VALID_DEST_QP))
- qp->dest_qp = params->dest_qp;
- if (GET_FIELD(params->modify_flags,
- QED_ROCE_MODIFY_QP_VALID_ADDRESS_VECTOR)) {
- /* Indicates that the following parameters have changed:
- * Traffic class, flow label, hop limit, source GID,
- * destination GID, loopback indicator
- */
- qp->traffic_class_tos = params->traffic_class_tos;
- qp->flow_label = params->flow_label;
- qp->hop_limit_ttl = params->hop_limit_ttl;
-
- qp->sgid = params->sgid;
- qp->dgid = params->dgid;
- qp->udp_src_port = 0;
- qp->vlan_id = params->vlan_id;
- qp->mtu = params->mtu;
- qp->lb_indication = params->lb_indication;
- memcpy((u8 *)&qp->remote_mac_addr[0],
- (u8 *)¶ms->remote_mac_addr[0], ETH_ALEN);
- if (params->use_local_mac) {
- memcpy((u8 *)&qp->local_mac_addr[0],
- (u8 *)¶ms->local_mac_addr[0], ETH_ALEN);
- } else {
- memcpy((u8 *)&qp->local_mac_addr[0],
- (u8 *)&p_hwfn->hw_info.hw_mac_addr, ETH_ALEN);
- }
- }
- if (GET_FIELD(params->modify_flags, QED_ROCE_MODIFY_QP_VALID_RQ_PSN))
- qp->rq_psn = params->rq_psn;
- if (GET_FIELD(params->modify_flags, QED_ROCE_MODIFY_QP_VALID_SQ_PSN))
- qp->sq_psn = params->sq_psn;
- if (GET_FIELD(params->modify_flags,
- QED_RDMA_MODIFY_QP_VALID_MAX_RD_ATOMIC_REQ))
- qp->max_rd_atomic_req = params->max_rd_atomic_req;
- if (GET_FIELD(params->modify_flags,
- QED_RDMA_MODIFY_QP_VALID_MAX_RD_ATOMIC_RESP))
- qp->max_rd_atomic_resp = params->max_rd_atomic_resp;
- if (GET_FIELD(params->modify_flags,
- QED_ROCE_MODIFY_QP_VALID_ACK_TIMEOUT))
- qp->ack_timeout = params->ack_timeout;
- if (GET_FIELD(params->modify_flags, QED_ROCE_MODIFY_QP_VALID_RETRY_CNT))
- qp->retry_cnt = params->retry_cnt;
- if (GET_FIELD(params->modify_flags,
- QED_ROCE_MODIFY_QP_VALID_RNR_RETRY_CNT))
- qp->rnr_retry_cnt = params->rnr_retry_cnt;
- if (GET_FIELD(params->modify_flags,
- QED_ROCE_MODIFY_QP_VALID_MIN_RNR_NAK_TIMER))
- qp->min_rnr_nak_timer = params->min_rnr_nak_timer;
-
- qp->sqd_async = params->sqd_async;
-
- prev_state = qp->cur_state;
- if (GET_FIELD(params->modify_flags,
- QED_RDMA_MODIFY_QP_VALID_NEW_STATE)) {
- qp->cur_state = params->new_state;
- DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "qp->cur_state=%d\n",
- qp->cur_state);
- }
-
- rc = qed_roce_modify_qp(p_hwfn, qp, prev_state, params);
-
- DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "Modify QP, rc = %d\n", rc);
- return rc;
-}
-
-static int
-qed_rdma_register_tid(void *rdma_cxt,
- struct qed_rdma_register_tid_in_params *params)
-{
- struct qed_hwfn *p_hwfn = (struct qed_hwfn *)rdma_cxt;
- struct rdma_register_tid_ramrod_data *p_ramrod;
- struct qed_sp_init_data init_data;
- struct qed_spq_entry *p_ent;
- enum rdma_tid_type tid_type;
- u8 fw_return_code;
- int rc;
-
- DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "itid = %08x\n", params->itid);
-
- /* Get SPQ entry */
- memset(&init_data, 0, sizeof(init_data));
- init_data.opaque_fid = p_hwfn->hw_info.opaque_fid;
- init_data.comp_mode = QED_SPQ_MODE_EBLOCK;
-
- rc = qed_sp_init_request(p_hwfn, &p_ent, RDMA_RAMROD_REGISTER_MR,
- p_hwfn->p_rdma_info->proto, &init_data);
- if (rc) {
- DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "rc = %d\n", rc);
- return rc;
- }
-
- if (p_hwfn->p_rdma_info->last_tid < params->itid)
- p_hwfn->p_rdma_info->last_tid = params->itid;
-
- p_ramrod = &p_ent->ramrod.rdma_register_tid;
-
- p_ramrod->flags = 0;
- SET_FIELD(p_ramrod->flags,
- RDMA_REGISTER_TID_RAMROD_DATA_TWO_LEVEL_PBL,
- params->pbl_two_level);
-
- SET_FIELD(p_ramrod->flags,
- RDMA_REGISTER_TID_RAMROD_DATA_ZERO_BASED, params->zbva);
-
- SET_FIELD(p_ramrod->flags,
- RDMA_REGISTER_TID_RAMROD_DATA_PHY_MR, params->phy_mr);
-
- /* Don't initialize D/C field, as it may override other bits. */
- if (!(params->tid_type == QED_RDMA_TID_FMR) && !(params->dma_mr))
- SET_FIELD(p_ramrod->flags,
- RDMA_REGISTER_TID_RAMROD_DATA_PAGE_SIZE_LOG,
- params->page_size_log - 12);
-
- SET_FIELD(p_ramrod->flags,
- RDMA_REGISTER_TID_RAMROD_DATA_REMOTE_READ,
- params->remote_read);
-
- SET_FIELD(p_ramrod->flags,
- RDMA_REGISTER_TID_RAMROD_DATA_REMOTE_WRITE,
- params->remote_write);
-
- SET_FIELD(p_ramrod->flags,
- RDMA_REGISTER_TID_RAMROD_DATA_REMOTE_ATOMIC,
- params->remote_atomic);
-
- SET_FIELD(p_ramrod->flags,
- RDMA_REGISTER_TID_RAMROD_DATA_LOCAL_WRITE,
- params->local_write);
-
- SET_FIELD(p_ramrod->flags,
- RDMA_REGISTER_TID_RAMROD_DATA_LOCAL_READ, params->local_read);
-
- SET_FIELD(p_ramrod->flags,
- RDMA_REGISTER_TID_RAMROD_DATA_ENABLE_MW_BIND,
- params->mw_bind);
-
- SET_FIELD(p_ramrod->flags1,
- RDMA_REGISTER_TID_RAMROD_DATA_PBL_PAGE_SIZE_LOG,
- params->pbl_page_size_log - 12);
-
- SET_FIELD(p_ramrod->flags2,
- RDMA_REGISTER_TID_RAMROD_DATA_DMA_MR, params->dma_mr);
-
- switch (params->tid_type) {
- case QED_RDMA_TID_REGISTERED_MR:
- tid_type = RDMA_TID_REGISTERED_MR;
- break;
- case QED_RDMA_TID_FMR:
- tid_type = RDMA_TID_FMR;
- break;
- case QED_RDMA_TID_MW_TYPE1:
- tid_type = RDMA_TID_MW_TYPE1;
- break;
- case QED_RDMA_TID_MW_TYPE2A:
- tid_type = RDMA_TID_MW_TYPE2A;
- break;
- default:
- rc = -EINVAL;
- DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "rc = %d\n", rc);
- return rc;
- }
- SET_FIELD(p_ramrod->flags1,
- RDMA_REGISTER_TID_RAMROD_DATA_TID_TYPE, tid_type);
-
- p_ramrod->itid = cpu_to_le32(params->itid);
- p_ramrod->key = params->key;
- p_ramrod->pd = cpu_to_le16(params->pd);
- p_ramrod->length_hi = (u8)(params->length >> 32);
- p_ramrod->length_lo = DMA_LO_LE(params->length);
- if (params->zbva) {
- /* Lower 32 bits of the registered MR address.
- * In case of zero based MR, will hold FBO
- */
- p_ramrod->va.hi = 0;
- p_ramrod->va.lo = cpu_to_le32(params->fbo);
- } else {
- DMA_REGPAIR_LE(p_ramrod->va, params->vaddr);
- }
- DMA_REGPAIR_LE(p_ramrod->pbl_base, params->pbl_ptr);
-
- /* DIF */
- if (params->dif_enabled) {
- SET_FIELD(p_ramrod->flags2,
- RDMA_REGISTER_TID_RAMROD_DATA_DIF_ON_HOST_FLG, 1);
- DMA_REGPAIR_LE(p_ramrod->dif_error_addr,
- params->dif_error_addr);
- DMA_REGPAIR_LE(p_ramrod->dif_runt_addr, params->dif_runt_addr);
- }
-
- rc = qed_spq_post(p_hwfn, p_ent, &fw_return_code);
- if (rc)
- return rc;
-
- if (fw_return_code != RDMA_RETURN_OK) {
- DP_NOTICE(p_hwfn, "fw_return_code = %d\n", fw_return_code);
- return -EINVAL;
- }
-
- DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "Register TID, rc = %d\n", rc);
- return rc;
-}
-
-static int qed_rdma_deregister_tid(void *rdma_cxt, u32 itid)
-{
- struct qed_hwfn *p_hwfn = (struct qed_hwfn *)rdma_cxt;
- struct rdma_deregister_tid_ramrod_data *p_ramrod;
- struct qed_sp_init_data init_data;
- struct qed_spq_entry *p_ent;
- struct qed_ptt *p_ptt;
- u8 fw_return_code;
- int rc;
-
- DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "itid = %08x\n", itid);
-
- /* Get SPQ entry */
- memset(&init_data, 0, sizeof(init_data));
- init_data.opaque_fid = p_hwfn->hw_info.opaque_fid;
- init_data.comp_mode = QED_SPQ_MODE_EBLOCK;
-
- rc = qed_sp_init_request(p_hwfn, &p_ent, RDMA_RAMROD_DEREGISTER_MR,
- p_hwfn->p_rdma_info->proto, &init_data);
- if (rc) {
- DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "rc = %d\n", rc);
- return rc;
- }
-
- p_ramrod = &p_ent->ramrod.rdma_deregister_tid;
- p_ramrod->itid = cpu_to_le32(itid);
-
- rc = qed_spq_post(p_hwfn, p_ent, &fw_return_code);
- if (rc) {
- DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "rc = %d\n", rc);
- return rc;
- }
-
- if (fw_return_code == RDMA_RETURN_DEREGISTER_MR_BAD_STATE_ERR) {
- DP_NOTICE(p_hwfn, "fw_return_code = %d\n", fw_return_code);
- return -EINVAL;
- } else if (fw_return_code == RDMA_RETURN_NIG_DRAIN_REQ) {
- /* Bit indicating that the TID is in use and a nig drain is
- * required before sending the ramrod again
- */
- p_ptt = qed_ptt_acquire(p_hwfn);
- if (!p_ptt) {
- rc = -EBUSY;
- DP_VERBOSE(p_hwfn, QED_MSG_RDMA,
- "Failed to acquire PTT\n");
- return rc;
- }
-
- rc = qed_mcp_drain(p_hwfn, p_ptt);
- if (rc) {
- qed_ptt_release(p_hwfn, p_ptt);
- DP_VERBOSE(p_hwfn, QED_MSG_RDMA,
- "Drain failed\n");
- return rc;
- }
-
- qed_ptt_release(p_hwfn, p_ptt);
-
- /* Resend the ramrod */
- rc = qed_sp_init_request(p_hwfn, &p_ent,
- RDMA_RAMROD_DEREGISTER_MR,
- p_hwfn->p_rdma_info->proto,
- &init_data);
- if (rc) {
- DP_VERBOSE(p_hwfn, QED_MSG_RDMA,
- "Failed to init sp-element\n");
- return rc;
- }
-
- rc = qed_spq_post(p_hwfn, p_ent, &fw_return_code);
- if (rc) {
- DP_VERBOSE(p_hwfn, QED_MSG_RDMA,
- "Ramrod failed\n");
- return rc;
- }
-
- if (fw_return_code != RDMA_RETURN_OK) {
- DP_NOTICE(p_hwfn, "fw_return_code = %d\n",
- fw_return_code);
- return rc;
- }
- }
-
- DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "De-registered TID, rc = %d\n", rc);
- return rc;
-}
-
static void qed_roce_free_real_icid(struct qed_hwfn *p_hwfn, u16 icid)
{
struct qed_rdma_info *p_rdma_info = p_hwfn->p_rdma_info;
spin_unlock_bh(&p_hwfn->p_rdma_info->lock);
}
-static void *qed_rdma_get_rdma_ctx(struct qed_dev *cdev)
-{
- return QED_LEADING_HWFN(cdev);
-}
-
-static bool qed_rdma_allocated_qps(struct qed_hwfn *p_hwfn)
-{
- bool result;
-
- /* if rdma info has not been allocated, naturally there are no qps */
- if (!p_hwfn->p_rdma_info)
- return false;
-
- spin_lock_bh(&p_hwfn->p_rdma_info->lock);
- if (!p_hwfn->p_rdma_info->cid_map.bitmap)
- result = false;
- else
- result = !qed_bmap_is_empty(&p_hwfn->p_rdma_info->cid_map);
- spin_unlock_bh(&p_hwfn->p_rdma_info->lock);
- return result;
-}
-
-static void qed_rdma_dpm_conf(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
-{
- u32 val;
-
- val = (p_hwfn->dcbx_no_edpm || p_hwfn->db_bar_no_edpm) ? 0 : 1;
-
- qed_wr(p_hwfn, p_ptt, DORQ_REG_PF_DPM_ENABLE, val);
- DP_VERBOSE(p_hwfn, (QED_MSG_DCB | QED_MSG_RDMA),
- "Changing DPM_EN state to %d (DCBX=%d, DB_BAR=%d)\n",
- val, p_hwfn->dcbx_no_edpm, p_hwfn->db_bar_no_edpm);
-}
-
void qed_roce_dpm_dcbx(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
{
u8 val;
qed_rdma_dpm_conf(p_hwfn, p_ptt);
}
-void qed_rdma_dpm_bar(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
-{
- p_hwfn->db_bar_no_edpm = true;
-
- qed_rdma_dpm_conf(p_hwfn, p_ptt);
-}
-
-static int qed_rdma_start(void *rdma_cxt,
- struct qed_rdma_start_in_params *params)
-{
- struct qed_hwfn *p_hwfn = (struct qed_hwfn *)rdma_cxt;
- struct qed_ptt *p_ptt;
- int rc = -EBUSY;
-
- DP_VERBOSE(p_hwfn, QED_MSG_RDMA,
- "desired_cnq = %08x\n", params->desired_cnq);
-
- p_ptt = qed_ptt_acquire(p_hwfn);
- if (!p_ptt)
- goto err;
-
- rc = qed_rdma_alloc(p_hwfn, p_ptt, params);
- if (rc)
- goto err1;
-
- rc = qed_rdma_setup(p_hwfn, p_ptt, params);
- if (rc)
- goto err2;
-
- qed_ptt_release(p_hwfn, p_ptt);
-
- return rc;
-
-err2:
- qed_rdma_free(p_hwfn);
-err1:
- qed_ptt_release(p_hwfn, p_ptt);
-err:
- DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "RDMA start - error, rc = %d\n", rc);
- return rc;
-}
-
-static int qed_rdma_init(struct qed_dev *cdev,
- struct qed_rdma_start_in_params *params)
-{
- return qed_rdma_start(QED_LEADING_HWFN(cdev), params);
-}
-
-static void qed_rdma_remove_user(void *rdma_cxt, u16 dpi)
-{
- struct qed_hwfn *p_hwfn = (struct qed_hwfn *)rdma_cxt;
-
- DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "dpi = %08x\n", dpi);
-
- spin_lock_bh(&p_hwfn->p_rdma_info->lock);
- qed_bmap_release_id(p_hwfn, &p_hwfn->p_rdma_info->dpi_map, dpi);
- spin_unlock_bh(&p_hwfn->p_rdma_info->lock);
-}
-
-static int qed_roce_ll2_set_mac_filter(struct qed_dev *cdev,
- u8 *old_mac_address,
- u8 *new_mac_address)
+int qed_roce_setup(struct qed_hwfn *p_hwfn)
{
- struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev);
- struct qed_ptt *p_ptt;
- int rc = 0;
-
- p_ptt = qed_ptt_acquire(p_hwfn);
- if (!p_ptt) {
- DP_ERR(cdev,
- "qed roce ll2 mac filter set: failed to acquire PTT\n");
- return -EINVAL;
- }
-
- if (old_mac_address)
- qed_llh_remove_mac_filter(p_hwfn, p_ptt, old_mac_address);
- if (new_mac_address)
- rc = qed_llh_add_mac_filter(p_hwfn, p_ptt, new_mac_address);
-
- qed_ptt_release(p_hwfn, p_ptt);
-
- if (rc)
- DP_ERR(cdev,
- "qed roce ll2 mac filter set: failed to add MAC filter\n");
-
- return rc;
+ return qed_spq_register_async_cb(p_hwfn, PROTOCOLID_ROCE,
+ qed_roce_async_event);
}
-static const struct qed_rdma_ops qed_rdma_ops_pass = {
- .common = &qed_common_ops_pass,
- .fill_dev_info = &qed_fill_rdma_dev_info,
- .rdma_get_rdma_ctx = &qed_rdma_get_rdma_ctx,
- .rdma_init = &qed_rdma_init,
- .rdma_add_user = &qed_rdma_add_user,
- .rdma_remove_user = &qed_rdma_remove_user,
- .rdma_stop = &qed_rdma_stop,
- .rdma_query_port = &qed_rdma_query_port,
- .rdma_query_device = &qed_rdma_query_device,
- .rdma_get_start_sb = &qed_rdma_get_sb_start,
- .rdma_get_rdma_int = &qed_rdma_get_int,
- .rdma_set_rdma_int = &qed_rdma_set_int,
- .rdma_get_min_cnq_msix = &qed_rdma_get_min_cnq_msix,
- .rdma_cnq_prod_update = &qed_rdma_cnq_prod_update,
- .rdma_alloc_pd = &qed_rdma_alloc_pd,
- .rdma_dealloc_pd = &qed_rdma_free_pd,
- .rdma_create_cq = &qed_rdma_create_cq,
- .rdma_destroy_cq = &qed_rdma_destroy_cq,
- .rdma_create_qp = &qed_rdma_create_qp,
- .rdma_modify_qp = &qed_rdma_modify_qp,
- .rdma_query_qp = &qed_rdma_query_qp,
- .rdma_destroy_qp = &qed_rdma_destroy_qp,
- .rdma_alloc_tid = &qed_rdma_alloc_tid,
- .rdma_free_tid = &qed_rdma_free_tid,
- .rdma_register_tid = &qed_rdma_register_tid,
- .rdma_deregister_tid = &qed_rdma_deregister_tid,
- .ll2_acquire_connection = &qed_ll2_acquire_connection,
- .ll2_establish_connection = &qed_ll2_establish_connection,
- .ll2_terminate_connection = &qed_ll2_terminate_connection,
- .ll2_release_connection = &qed_ll2_release_connection,
- .ll2_post_rx_buffer = &qed_ll2_post_rx_buffer,
- .ll2_prepare_tx_packet = &qed_ll2_prepare_tx_packet,
- .ll2_set_fragment_of_tx_packet = &qed_ll2_set_fragment_of_tx_packet,
- .ll2_set_mac_filter = &qed_roce_ll2_set_mac_filter,
- .ll2_get_stats = &qed_ll2_get_stats,
-};
-
-const struct qed_rdma_ops *qed_get_rdma_ops(void)
-{
- return &qed_rdma_ops_pass;
-}
-EXPORT_SYMBOL(qed_get_rdma_ops);
projects / platform / kernel / linux-rpi3.git / commitdiff