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path: root/drivers/infiniband/hw/mana/main.c
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Diffstat (limited to 'drivers/infiniband/hw/mana/main.c')
-rw-r--r--drivers/infiniband/hw/mana/main.c185
1 files changed, 162 insertions, 23 deletions
diff --git a/drivers/infiniband/hw/mana/main.c b/drivers/infiniband/hw/mana/main.c
index 67c2d43135a8..41a24a186f9d 100644
--- a/drivers/infiniband/hw/mana/main.c
+++ b/drivers/infiniband/hw/mana/main.c
@@ -4,6 +4,7 @@
*/
#include "mana_ib.h"
+#include "linux/pci.h"
void mana_ib_uncfg_vport(struct mana_ib_dev *dev, struct mana_ib_pd *pd,
u32 port)
@@ -82,6 +83,9 @@ int mana_ib_alloc_pd(struct ib_pd *ibpd, struct ib_udata *udata)
mana_gd_init_req_hdr(&req.hdr, GDMA_CREATE_PD, sizeof(req),
sizeof(resp));
+ if (!udata)
+ flags |= GDMA_PD_FLAG_ALLOW_GPA_MR;
+
req.flags = flags;
err = mana_gd_send_request(gc, sizeof(req), &req,
sizeof(resp), &resp);
@@ -174,7 +178,7 @@ static int mana_gd_allocate_doorbell_page(struct gdma_context *gc,
req.resource_type = GDMA_RESOURCE_DOORBELL_PAGE;
req.num_resources = 1;
- req.alignment = 1;
+ req.alignment = PAGE_SIZE / MANA_PAGE_SIZE;
/* Have GDMA start searching from 0 */
req.allocated_resources = 0;
@@ -237,6 +241,26 @@ void mana_ib_dealloc_ucontext(struct ib_ucontext *ibcontext)
ibdev_dbg(ibdev, "Failed to destroy doorbell page %d\n", ret);
}
+int mana_ib_create_kernel_queue(struct mana_ib_dev *mdev, u32 size, enum gdma_queue_type type,
+ struct mana_ib_queue *queue)
+{
+ struct gdma_queue_spec spec = {};
+ int err;
+
+ queue->id = INVALID_QUEUE_ID;
+ queue->gdma_region = GDMA_INVALID_DMA_REGION;
+ spec.type = type;
+ spec.monitor_avl_buf = false;
+ spec.queue_size = size;
+ err = mana_gd_create_mana_wq_cq(mdev->gdma_dev, &spec, &queue->kmem);
+ if (err)
+ return err;
+ /* take ownership into mana_ib from mana */
+ queue->gdma_region = queue->kmem->mem_info.dma_region_handle;
+ queue->kmem->mem_info.dma_region_handle = GDMA_INVALID_DMA_REGION;
+ return 0;
+}
+
int mana_ib_create_queue(struct mana_ib_dev *mdev, u64 addr, u32 size,
struct mana_ib_queue *queue)
{
@@ -276,6 +300,8 @@ void mana_ib_destroy_queue(struct mana_ib_dev *mdev, struct mana_ib_queue *queue
*/
mana_ib_gd_destroy_dma_region(mdev, queue->gdma_region);
ib_umem_release(queue->umem);
+ if (queue->kmem)
+ mana_gd_destroy_queue(mdev_to_gc(mdev), queue->kmem);
}
static int
@@ -358,7 +384,7 @@ static int mana_ib_gd_create_dma_region(struct mana_ib_dev *dev, struct ib_umem
unsigned int tail = 0;
u64 *page_addr_list;
void *request_buf;
- int err;
+ int err = 0;
gc = mdev_to_gc(dev);
hwc = gc->hwc.driver_data;
@@ -453,7 +479,7 @@ int mana_ib_create_dma_region(struct mana_ib_dev *dev, struct ib_umem *umem,
{
unsigned long page_sz;
- page_sz = ib_umem_find_best_pgsz(umem, PAGE_SZ_BM, virt);
+ page_sz = ib_umem_find_best_pgsz(umem, dev->adapter_caps.page_size_cap, virt);
if (!page_sz) {
ibdev_dbg(&dev->ib_dev, "Failed to find page size.\n");
return -EINVAL;
@@ -468,7 +494,7 @@ int mana_ib_create_zero_offset_dma_region(struct mana_ib_dev *dev, struct ib_ume
unsigned long page_sz;
/* Hardware requires dma region to align to chosen page size */
- page_sz = ib_umem_find_best_pgoff(umem, PAGE_SZ_BM, 0);
+ page_sz = ib_umem_find_best_pgoff(umem, dev->adapter_caps.page_size_cap, 0);
if (!page_sz) {
ibdev_dbg(&dev->ib_dev, "Failed to find page size.\n");
return -EINVAL;
@@ -525,6 +551,7 @@ int mana_ib_mmap(struct ib_ucontext *ibcontext, struct vm_area_struct *vma)
int mana_ib_get_port_immutable(struct ib_device *ibdev, u32 port_num,
struct ib_port_immutable *immutable)
{
+ struct mana_ib_dev *dev = container_of(ibdev, struct mana_ib_dev, ib_dev);
struct ib_port_attr attr;
int err;
@@ -534,9 +561,13 @@ int mana_ib_get_port_immutable(struct ib_device *ibdev, u32 port_num,
immutable->pkey_tbl_len = attr.pkey_tbl_len;
immutable->gid_tbl_len = attr.gid_tbl_len;
- immutable->core_cap_flags = RDMA_CORE_PORT_RAW_PACKET;
- if (port_num == 1)
- immutable->core_cap_flags |= RDMA_CORE_PORT_IBA_ROCE_UDP_ENCAP;
+
+ if (mana_ib_is_rnic(dev)) {
+ immutable->core_cap_flags = RDMA_CORE_PORT_IBA_ROCE_UDP_ENCAP;
+ immutable->max_mad_size = IB_MGMT_MAD_SIZE;
+ } else {
+ immutable->core_cap_flags = RDMA_CORE_PORT_RAW_PACKET;
+ }
return 0;
}
@@ -544,12 +575,14 @@ int mana_ib_get_port_immutable(struct ib_device *ibdev, u32 port_num,
int mana_ib_query_device(struct ib_device *ibdev, struct ib_device_attr *props,
struct ib_udata *uhw)
{
- struct mana_ib_dev *dev = container_of(ibdev,
- struct mana_ib_dev, ib_dev);
+ struct mana_ib_dev *dev = container_of(ibdev, struct mana_ib_dev, ib_dev);
+ struct pci_dev *pdev = to_pci_dev(mdev_to_gc(dev)->dev);
memset(props, 0, sizeof(*props));
+ props->vendor_id = pdev->vendor;
+ props->vendor_part_id = dev->gdma_dev->dev_id.type;
props->max_mr_size = MANA_IB_MAX_MR_SIZE;
- props->page_size_cap = PAGE_SZ_BM;
+ props->page_size_cap = dev->adapter_caps.page_size_cap;
props->max_qp = dev->adapter_caps.max_qp_count;
props->max_qp_wr = dev->adapter_caps.max_qp_wr;
props->device_cap_flags = IB_DEVICE_RC_RNR_NAK_GEN;
@@ -568,6 +601,8 @@ int mana_ib_query_device(struct ib_device *ibdev, struct ib_device_attr *props,
props->max_ah = INT_MAX;
props->max_pkeys = 1;
props->local_ca_ack_delay = MANA_CA_ACK_DELAY;
+ if (!mana_ib_is_rnic(dev))
+ props->raw_packet_caps = IB_RAW_PACKET_CAP_IP_CSUM;
return 0;
}
@@ -575,6 +610,7 @@ int mana_ib_query_device(struct ib_device *ibdev, struct ib_device_attr *props,
int mana_ib_query_port(struct ib_device *ibdev, u32 port,
struct ib_port_attr *props)
{
+ struct mana_ib_dev *dev = container_of(ibdev, struct mana_ib_dev, ib_dev);
struct net_device *ndev = mana_ib_get_netdev(ibdev, port);
if (!ndev)
@@ -595,8 +631,11 @@ int mana_ib_query_port(struct ib_device *ibdev, u32 port,
props->active_width = IB_WIDTH_4X;
props->active_speed = IB_SPEED_EDR;
props->pkey_tbl_len = 1;
- if (port == 1)
+ if (mana_ib_is_rnic(dev)) {
props->gid_tbl_len = 16;
+ props->port_cap_flags = IB_PORT_CM_SUP;
+ props->ip_gids = true;
+ }
return 0;
}
@@ -634,7 +673,7 @@ int mana_ib_gd_query_adapter_caps(struct mana_ib_dev *dev)
mana_gd_init_req_hdr(&req.hdr, MANA_IB_GET_ADAPTER_CAP, sizeof(req),
sizeof(resp));
- req.hdr.resp.msg_version = GDMA_MESSAGE_V3;
+ req.hdr.resp.msg_version = GDMA_MESSAGE_V4;
req.hdr.dev_id = dev->gdma_dev->dev_id;
err = mana_gd_send_request(mdev_to_gc(dev), sizeof(req),
@@ -663,6 +702,42 @@ int mana_ib_gd_query_adapter_caps(struct mana_ib_dev *dev)
caps->max_inline_data_size = resp.max_inline_data_size;
caps->max_send_sge_count = resp.max_send_sge_count;
caps->max_recv_sge_count = resp.max_recv_sge_count;
+ caps->feature_flags = resp.feature_flags;
+
+ caps->page_size_cap = PAGE_SZ_BM;
+ if (mdev_to_gc(dev)->pf_cap_flags1 & GDMA_DRV_CAP_FLAG_1_GDMA_PAGES_4MB_1GB_2GB)
+ caps->page_size_cap |= (SZ_4M | SZ_1G | SZ_2G);
+
+ return 0;
+}
+
+int mana_eth_query_adapter_caps(struct mana_ib_dev *dev)
+{
+ struct mana_ib_adapter_caps *caps = &dev->adapter_caps;
+ struct gdma_query_max_resources_resp resp = {};
+ struct gdma_general_req req = {};
+ int err;
+
+ mana_gd_init_req_hdr(&req.hdr, GDMA_QUERY_MAX_RESOURCES,
+ sizeof(req), sizeof(resp));
+
+ err = mana_gd_send_request(mdev_to_gc(dev), sizeof(req), &req, sizeof(resp), &resp);
+ if (err) {
+ ibdev_err(&dev->ib_dev,
+ "Failed to query adapter caps err %d", err);
+ return err;
+ }
+
+ caps->max_qp_count = min_t(u32, resp.max_sq, resp.max_rq);
+ caps->max_cq_count = resp.max_cq;
+ caps->max_mr_count = resp.max_mst;
+ caps->max_pd_count = 0x6000;
+ caps->max_qp_wr = min_t(u32,
+ 0x100000 / GDMA_MAX_SQE_SIZE,
+ 0x100000 / GDMA_MAX_RQE_SIZE);
+ caps->max_send_sge_count = 30;
+ caps->max_recv_sge_count = 15;
+ caps->page_size_cap = PAGE_SZ_BM;
return 0;
}
@@ -678,7 +753,7 @@ mana_ib_event_handler(void *ctx, struct gdma_queue *q, struct gdma_event *event)
switch (event->type) {
case GDMA_EQE_RNIC_QP_FATAL:
qpn = event->details[0];
- qp = mana_get_qp_ref(mdev, qpn);
+ qp = mana_get_qp_ref(mdev, qpn, false);
if (!qp)
break;
if (qp->ibqp.event_handler) {
@@ -708,7 +783,7 @@ int mana_ib_create_eqs(struct mana_ib_dev *mdev)
spec.eq.log2_throttle_limit = LOG2_EQ_THROTTLE;
spec.eq.msix_index = 0;
- err = mana_gd_create_mana_eq(&gc->mana_ib, &spec, &mdev->fatal_err_eq);
+ err = mana_gd_create_mana_eq(mdev->gdma_dev, &spec, &mdev->fatal_err_eq);
if (err)
return err;
@@ -759,9 +834,12 @@ int mana_ib_gd_create_rnic_adapter(struct mana_ib_dev *mdev)
mana_gd_init_req_hdr(&req.hdr, MANA_IB_CREATE_ADAPTER, sizeof(req), sizeof(resp));
req.hdr.req.msg_version = GDMA_MESSAGE_V2;
- req.hdr.dev_id = gc->mana_ib.dev_id;
+ req.hdr.dev_id = mdev->gdma_dev->dev_id;
req.notify_eq_id = mdev->fatal_err_eq->id;
+ if (mdev->adapter_caps.feature_flags & MANA_IB_FEATURE_CLIENT_ERROR_CQE_SUPPORT)
+ req.feature_flags |= MANA_IB_FEATURE_CLIENT_ERROR_CQE_REQUEST;
+
err = mana_gd_send_request(gc, sizeof(req), &req, sizeof(resp), &resp);
if (err) {
ibdev_err(&mdev->ib_dev, "Failed to create RNIC adapter err %d", err);
@@ -781,7 +859,7 @@ int mana_ib_gd_destroy_rnic_adapter(struct mana_ib_dev *mdev)
gc = mdev_to_gc(mdev);
mana_gd_init_req_hdr(&req.hdr, MANA_IB_DESTROY_ADAPTER, sizeof(req), sizeof(resp));
- req.hdr.dev_id = gc->mana_ib.dev_id;
+ req.hdr.dev_id = mdev->gdma_dev->dev_id;
req.adapter = mdev->adapter_handle;
err = mana_gd_send_request(gc, sizeof(req), &req, sizeof(resp), &resp);
@@ -808,7 +886,7 @@ int mana_ib_gd_add_gid(const struct ib_gid_attr *attr, void **context)
}
mana_gd_init_req_hdr(&req.hdr, MANA_IB_CONFIG_IP_ADDR, sizeof(req), sizeof(resp));
- req.hdr.dev_id = gc->mana_ib.dev_id;
+ req.hdr.dev_id = mdev->gdma_dev->dev_id;
req.adapter = mdev->adapter_handle;
req.op = ADDR_OP_ADD;
req.sgid_type = (ntype == RDMA_NETWORK_IPV6) ? SGID_TYPE_IPV6 : SGID_TYPE_IPV4;
@@ -838,7 +916,7 @@ int mana_ib_gd_del_gid(const struct ib_gid_attr *attr, void **context)
}
mana_gd_init_req_hdr(&req.hdr, MANA_IB_CONFIG_IP_ADDR, sizeof(req), sizeof(resp));
- req.hdr.dev_id = gc->mana_ib.dev_id;
+ req.hdr.dev_id = mdev->gdma_dev->dev_id;
req.adapter = mdev->adapter_handle;
req.op = ADDR_OP_REMOVE;
req.sgid_type = (ntype == RDMA_NETWORK_IPV6) ? SGID_TYPE_IPV6 : SGID_TYPE_IPV4;
@@ -861,7 +939,7 @@ int mana_ib_gd_config_mac(struct mana_ib_dev *mdev, enum mana_ib_addr_op op, u8
int err;
mana_gd_init_req_hdr(&req.hdr, MANA_IB_CONFIG_MAC_ADDR, sizeof(req), sizeof(resp));
- req.hdr.dev_id = gc->mana_ib.dev_id;
+ req.hdr.dev_id = mdev->gdma_dev->dev_id;
req.adapter = mdev->adapter_handle;
req.op = op;
copy_in_reverse(req.mac_addr, mac, ETH_ALEN);
@@ -882,8 +960,11 @@ int mana_ib_gd_create_cq(struct mana_ib_dev *mdev, struct mana_ib_cq *cq, u32 do
struct mana_rnic_create_cq_req req = {};
int err;
+ if (!mdev->eqs)
+ return -EINVAL;
+
mana_gd_init_req_hdr(&req.hdr, MANA_IB_CREATE_CQ, sizeof(req), sizeof(resp));
- req.hdr.dev_id = gc->mana_ib.dev_id;
+ req.hdr.dev_id = mdev->gdma_dev->dev_id;
req.adapter = mdev->adapter_handle;
req.gdma_region = cq->queue.gdma_region;
req.eq_id = mdev->eqs[cq->comp_vector]->id;
@@ -915,7 +996,7 @@ int mana_ib_gd_destroy_cq(struct mana_ib_dev *mdev, struct mana_ib_cq *cq)
return 0;
mana_gd_init_req_hdr(&req.hdr, MANA_IB_DESTROY_CQ, sizeof(req), sizeof(resp));
- req.hdr.dev_id = gc->mana_ib.dev_id;
+ req.hdr.dev_id = mdev->gdma_dev->dev_id;
req.adapter = mdev->adapter_handle;
req.cq_handle = cq->cq_handle;
@@ -941,7 +1022,7 @@ int mana_ib_gd_create_rc_qp(struct mana_ib_dev *mdev, struct mana_ib_qp *qp,
int err, i;
mana_gd_init_req_hdr(&req.hdr, MANA_IB_CREATE_RC_QP, sizeof(req), sizeof(resp));
- req.hdr.dev_id = gc->mana_ib.dev_id;
+ req.hdr.dev_id = mdev->gdma_dev->dev_id;
req.adapter = mdev->adapter_handle;
req.pd_handle = pd->pd_handle;
req.send_cq_handle = send_cq->cq_handle;
@@ -977,7 +1058,7 @@ int mana_ib_gd_destroy_rc_qp(struct mana_ib_dev *mdev, struct mana_ib_qp *qp)
int err;
mana_gd_init_req_hdr(&req.hdr, MANA_IB_DESTROY_RC_QP, sizeof(req), sizeof(resp));
- req.hdr.dev_id = gc->mana_ib.dev_id;
+ req.hdr.dev_id = mdev->gdma_dev->dev_id;
req.adapter = mdev->adapter_handle;
req.rc_qp_handle = qp->qp_handle;
err = mana_gd_send_request(gc, sizeof(req), &req, sizeof(resp), &resp);
@@ -987,3 +1068,61 @@ int mana_ib_gd_destroy_rc_qp(struct mana_ib_dev *mdev, struct mana_ib_qp *qp)
}
return 0;
}
+
+int mana_ib_gd_create_ud_qp(struct mana_ib_dev *mdev, struct mana_ib_qp *qp,
+ struct ib_qp_init_attr *attr, u32 doorbell, u32 type)
+{
+ struct mana_ib_cq *send_cq = container_of(qp->ibqp.send_cq, struct mana_ib_cq, ibcq);
+ struct mana_ib_cq *recv_cq = container_of(qp->ibqp.recv_cq, struct mana_ib_cq, ibcq);
+ struct mana_ib_pd *pd = container_of(qp->ibqp.pd, struct mana_ib_pd, ibpd);
+ struct gdma_context *gc = mdev_to_gc(mdev);
+ struct mana_rnic_create_udqp_resp resp = {};
+ struct mana_rnic_create_udqp_req req = {};
+ int err, i;
+
+ mana_gd_init_req_hdr(&req.hdr, MANA_IB_CREATE_UD_QP, sizeof(req), sizeof(resp));
+ req.hdr.dev_id = mdev->gdma_dev->dev_id;
+ req.adapter = mdev->adapter_handle;
+ req.pd_handle = pd->pd_handle;
+ req.send_cq_handle = send_cq->cq_handle;
+ req.recv_cq_handle = recv_cq->cq_handle;
+ for (i = 0; i < MANA_UD_QUEUE_TYPE_MAX; i++)
+ req.dma_region[i] = qp->ud_qp.queues[i].gdma_region;
+ req.doorbell_page = doorbell;
+ req.max_send_wr = attr->cap.max_send_wr;
+ req.max_recv_wr = attr->cap.max_recv_wr;
+ req.max_send_sge = attr->cap.max_send_sge;
+ req.max_recv_sge = attr->cap.max_recv_sge;
+ req.qp_type = type;
+ err = mana_gd_send_request(gc, sizeof(req), &req, sizeof(resp), &resp);
+ if (err) {
+ ibdev_err(&mdev->ib_dev, "Failed to create ud qp err %d", err);
+ return err;
+ }
+ qp->qp_handle = resp.qp_handle;
+ for (i = 0; i < MANA_UD_QUEUE_TYPE_MAX; i++) {
+ qp->ud_qp.queues[i].id = resp.queue_ids[i];
+ /* The GDMA regions are now owned by the RNIC QP handle */
+ qp->ud_qp.queues[i].gdma_region = GDMA_INVALID_DMA_REGION;
+ }
+ return 0;
+}
+
+int mana_ib_gd_destroy_ud_qp(struct mana_ib_dev *mdev, struct mana_ib_qp *qp)
+{
+ struct mana_rnic_destroy_udqp_resp resp = {0};
+ struct mana_rnic_destroy_udqp_req req = {0};
+ struct gdma_context *gc = mdev_to_gc(mdev);
+ int err;
+
+ mana_gd_init_req_hdr(&req.hdr, MANA_IB_DESTROY_UD_QP, sizeof(req), sizeof(resp));
+ req.hdr.dev_id = mdev->gdma_dev->dev_id;
+ req.adapter = mdev->adapter_handle;
+ req.qp_handle = qp->qp_handle;
+ err = mana_gd_send_request(gc, sizeof(req), &req, sizeof(resp), &resp);
+ if (err) {
+ ibdev_err(&mdev->ib_dev, "Failed to destroy ud qp err %d", err);
+ return err;
+ }
+ return 0;
+}
generated by cgit (git 2.34.1) at 2025-06-07 04:34:09 +0000