qed: Split rdma content between qed_rdma and qed_roce
This patch places common iWARP / RoCE code in qed_rdma
and roce specific code in qed_roce
There is one new function ( qed_roce_setup ) added, the rest
of the patch removes content from the files and removes some
static definitions.
Signed-off-by: Michal Kalderon <Michal.Kalderon@cavium.com>
Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/ethernet/qlogic/qed/qed_rdma.c b/drivers/net/ethernet/qlogic/qed/qed_rdma.c
index 9dc41a8..cb620e0 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_rdma.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_rdma.c
@@ -53,39 +53,14 @@
#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);
@@ -102,8 +77,8 @@ static int qed_rdma_bmap_alloc(struct qed_hwfn *p_hwfn,
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)
@@ -117,8 +92,8 @@ static int qed_rdma_bmap_alloc_id(struct qed_hwfn *p_hwfn,
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;
@@ -126,8 +101,8 @@ static void qed_bmap_set_id(struct qed_hwfn *p_hwfn,
__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;
@@ -145,8 +120,8 @@ static void qed_bmap_release_id(struct qed_hwfn *p_hwfn,
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;
@@ -159,7 +134,7 @@ 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)
+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;
@@ -302,8 +277,8 @@ static int qed_rdma_alloc(struct qed_hwfn *p_hwfn,
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);
@@ -666,33 +641,12 @@ static int qed_rdma_setup(struct qed_hwfn *p_hwfn,
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;
@@ -1146,904 +1100,13 @@ err: dma_free_coherent(&p_hwfn->cdev->pdev->dev,
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)
@@ -2170,114 +1233,6 @@ qed_rdma_create_qp(void *rdma_cxt,
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)
@@ -2599,37 +1554,12 @@ static int qed_rdma_deregister_tid(void *rdma_cxt, u32 itid)
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;
@@ -2646,7 +1576,7 @@ static bool qed_rdma_allocated_qps(struct qed_hwfn *p_hwfn)
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;
@@ -2658,19 +1588,6 @@ static void qed_rdma_dpm_conf(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
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)
{