diff options
author | Kalderon, Michal <Michal.Kalderon@cavium.com> | 2017-06-21 16:22:45 +0300 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2017-06-21 15:32:59 -0400 |
commit | b71b9afdf6d6c1ca728fde2aa14bc71721cab34e (patch) | |
tree | bf4bfa9762283463ae1b04d87b914dbd4224cb8f /drivers | |
parent | f1372ee11901336d287a4032fabe433d33586753 (diff) |
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>
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/net/ethernet/qlogic/qed/Makefile | 2 | ||||
-rw-r--r-- | drivers/net/ethernet/qlogic/qed/qed_dcbx.c | 2 | ||||
-rw-r--r-- | drivers/net/ethernet/qlogic/qed/qed_dev.c | 2 | ||||
-rw-r--r-- | drivers/net/ethernet/qlogic/qed/qed_ll2.c | 2 | ||||
-rw-r--r-- | drivers/net/ethernet/qlogic/qed/qed_rdma.c | 1123 | ||||
-rw-r--r-- | drivers/net/ethernet/qlogic/qed/qed_rdma.h | 39 | ||||
-rw-r--r-- | drivers/net/ethernet/qlogic/qed/qed_roce.c | 1682 | ||||
-rw-r--r-- | drivers/net/ethernet/qlogic/qed/qed_roce.h | 151 | ||||
-rw-r--r-- | drivers/net/ethernet/qlogic/qed/qed_spq.c | 2 |
9 files changed, 86 insertions, 2919 deletions
diff --git a/drivers/net/ethernet/qlogic/qed/Makefile b/drivers/net/ethernet/qlogic/qed/Makefile index 974929dcc74e..67452380b60e 100644 --- a/drivers/net/ethernet/qlogic/qed/Makefile +++ b/drivers/net/ethernet/qlogic/qed/Makefile @@ -5,6 +5,6 @@ qed-y := qed_cxt.o qed_dev.o qed_hw.o qed_init_fw_funcs.o qed_init_ops.o \ qed_selftest.o qed_dcbx.o qed_debug.o qed_ptp.o qed-$(CONFIG_QED_SRIOV) += qed_sriov.o qed_vf.o qed-$(CONFIG_QED_LL2) += qed_ll2.o -qed-$(CONFIG_QED_RDMA) += qed_roce.o +qed-$(CONFIG_QED_RDMA) += qed_roce.o qed_rdma.o qed-$(CONFIG_QED_ISCSI) += qed_iscsi.o qed_ooo.o qed-$(CONFIG_QED_FCOE) += qed_fcoe.o diff --git a/drivers/net/ethernet/qlogic/qed/qed_dcbx.c b/drivers/net/ethernet/qlogic/qed/qed_dcbx.c index f888045e1ae9..eaca4578435d 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_dcbx.c +++ b/drivers/net/ethernet/qlogic/qed/qed_dcbx.c @@ -44,7 +44,7 @@ #include "qed_hsi.h" #include "qed_sp.h" #include "qed_sriov.h" -#include "qed_roce.h" +#include "qed_rdma.h" #ifdef CONFIG_DCB #include <linux/qed/qed_eth_if.h> #endif diff --git a/drivers/net/ethernet/qlogic/qed/qed_dev.c b/drivers/net/ethernet/qlogic/qed/qed_dev.c index 8b140541736a..49667ad9042d 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_dev.c +++ b/drivers/net/ethernet/qlogic/qed/qed_dev.c @@ -62,7 +62,7 @@ #include "qed_sp.h" #include "qed_sriov.h" #include "qed_vf.h" -#include "qed_roce.h" +#include "qed_rdma.h" static DEFINE_SPINLOCK(qm_lock); diff --git a/drivers/net/ethernet/qlogic/qed/qed_ll2.c b/drivers/net/ethernet/qlogic/qed/qed_ll2.c index f9c51cb8585e..17f9b0a7b553 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_ll2.c +++ b/drivers/net/ethernet/qlogic/qed/qed_ll2.c @@ -61,7 +61,7 @@ #include "qed_ooo.h" #include "qed_reg_addr.h" #include "qed_sp.h" -#include "qed_roce.h" +#include "qed_rdma.h" #define QED_LL2_RX_REGISTERED(ll2) ((ll2)->rx_queue.b_cb_registred) #define QED_LL2_TX_REGISTERED(ll2) ((ll2)->tx_queue.b_cb_registred) diff --git a/drivers/net/ethernet/qlogic/qed/qed_rdma.c b/drivers/net/ethernet/qlogic/qed/qed_rdma.c index 9dc41a899ef2..cb620e008444 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 @@ free_rdma_info: 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); - - |