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path: root/drivers/infiniband/sw/rxe/rxe_verbs.c
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Diffstat (limited to 'drivers/infiniband/sw/rxe/rxe_verbs.c')
-rw-r--r--drivers/infiniband/sw/rxe/rxe_verbs.c359
1 files changed, 215 insertions, 144 deletions
diff --git a/drivers/infiniband/sw/rxe/rxe_verbs.c b/drivers/infiniband/sw/rxe/rxe_verbs.c
index dea605b7f683..38d8c408320f 100644
--- a/drivers/infiniband/sw/rxe/rxe_verbs.c
+++ b/drivers/infiniband/sw/rxe/rxe_verbs.c
@@ -23,7 +23,7 @@ static int rxe_query_device(struct ib_device *ibdev,
int err;
if (udata->inlen || udata->outlen) {
- rxe_dbg_dev(rxe, "malformed udata");
+ rxe_dbg_dev(rxe, "malformed udata\n");
err = -EINVAL;
goto err_out;
}
@@ -33,7 +33,7 @@ static int rxe_query_device(struct ib_device *ibdev,
return 0;
err_out:
- rxe_err_dev(rxe, "returned err = %d", err);
+ rxe_err_dev(rxe, "returned err = %d\n", err);
return err;
}
@@ -41,11 +41,18 @@ static int rxe_query_port(struct ib_device *ibdev,
u32 port_num, struct ib_port_attr *attr)
{
struct rxe_dev *rxe = to_rdev(ibdev);
+ struct net_device *ndev;
int err, ret;
if (port_num != 1) {
err = -EINVAL;
- rxe_dbg_dev(rxe, "bad port_num = %d", port_num);
+ rxe_dbg_dev(rxe, "bad port_num = %d\n", port_num);
+ goto err_out;
+ }
+
+ ndev = rxe_ib_device_get_netdev(ibdev);
+ if (!ndev) {
+ err = -ENODEV;
goto err_out;
}
@@ -55,22 +62,36 @@ static int rxe_query_port(struct ib_device *ibdev,
ret = ib_get_eth_speed(ibdev, port_num, &attr->active_speed,
&attr->active_width);
+ attr->state = ib_get_curr_port_state(ndev);
if (attr->state == IB_PORT_ACTIVE)
attr->phys_state = IB_PORT_PHYS_STATE_LINK_UP;
- else if (dev_get_flags(rxe->ndev) & IFF_UP)
+ else if (netif_get_flags(ndev) & IFF_UP)
attr->phys_state = IB_PORT_PHYS_STATE_POLLING;
else
attr->phys_state = IB_PORT_PHYS_STATE_DISABLED;
mutex_unlock(&rxe->usdev_lock);
+ dev_put(ndev);
return ret;
err_out:
- rxe_err_dev(rxe, "returned err = %d", err);
+ rxe_err_dev(rxe, "returned err = %d\n", err);
return err;
}
+static int rxe_query_gid(struct ib_device *ibdev, u32 port, int idx,
+ union ib_gid *gid)
+{
+ struct rxe_dev *rxe = to_rdev(ibdev);
+
+ /* subnet_prefix == interface_id == 0; */
+ memset(gid, 0, sizeof(*gid));
+ memcpy(gid->raw, rxe->raw_gid, ETH_ALEN);
+
+ return 0;
+}
+
static int rxe_query_pkey(struct ib_device *ibdev,
u32 port_num, u16 index, u16 *pkey)
{
@@ -79,7 +100,7 @@ static int rxe_query_pkey(struct ib_device *ibdev,
if (index != 0) {
err = -EINVAL;
- rxe_dbg_dev(rxe, "bad pkey index = %d", index);
+ rxe_dbg_dev(rxe, "bad pkey index = %d\n", index);
goto err_out;
}
@@ -87,7 +108,7 @@ static int rxe_query_pkey(struct ib_device *ibdev,
return 0;
err_out:
- rxe_err_dev(rxe, "returned err = %d", err);
+ rxe_err_dev(rxe, "returned err = %d\n", err);
return err;
}
@@ -100,7 +121,7 @@ static int rxe_modify_device(struct ib_device *ibdev,
if (mask & ~(IB_DEVICE_MODIFY_SYS_IMAGE_GUID |
IB_DEVICE_MODIFY_NODE_DESC)) {
err = -EOPNOTSUPP;
- rxe_dbg_dev(rxe, "unsupported mask = 0x%x", mask);
+ rxe_dbg_dev(rxe, "unsupported mask = 0x%x\n", mask);
goto err_out;
}
@@ -115,7 +136,7 @@ static int rxe_modify_device(struct ib_device *ibdev,
return 0;
err_out:
- rxe_err_dev(rxe, "returned err = %d", err);
+ rxe_err_dev(rxe, "returned err = %d\n", err);
return err;
}
@@ -128,14 +149,14 @@ static int rxe_modify_port(struct ib_device *ibdev, u32 port_num,
if (port_num != 1) {
err = -EINVAL;
- rxe_dbg_dev(rxe, "bad port_num = %d", port_num);
+ rxe_dbg_dev(rxe, "bad port_num = %d\n", port_num);
goto err_out;
}
//TODO is shutdown useful
if (mask & ~(IB_PORT_RESET_QKEY_CNTR)) {
err = -EOPNOTSUPP;
- rxe_dbg_dev(rxe, "unsupported mask = 0x%x", mask);
+ rxe_dbg_dev(rxe, "unsupported mask = 0x%x\n", mask);
goto err_out;
}
@@ -149,7 +170,7 @@ static int rxe_modify_port(struct ib_device *ibdev, u32 port_num,
return 0;
err_out:
- rxe_err_dev(rxe, "returned err = %d", err);
+ rxe_err_dev(rxe, "returned err = %d\n", err);
return err;
}
@@ -161,14 +182,14 @@ static enum rdma_link_layer rxe_get_link_layer(struct ib_device *ibdev,
if (port_num != 1) {
err = -EINVAL;
- rxe_dbg_dev(rxe, "bad port_num = %d", port_num);
+ rxe_dbg_dev(rxe, "bad port_num = %d\n", port_num);
goto err_out;
}
return IB_LINK_LAYER_ETHERNET;
err_out:
- rxe_err_dev(rxe, "returned err = %d", err);
+ rxe_err_dev(rxe, "returned err = %d\n", err);
return err;
}
@@ -181,7 +202,7 @@ static int rxe_port_immutable(struct ib_device *ibdev, u32 port_num,
if (port_num != 1) {
err = -EINVAL;
- rxe_dbg_dev(rxe, "bad port_num = %d", port_num);
+ rxe_dbg_dev(rxe, "bad port_num = %d\n", port_num);
goto err_out;
}
@@ -197,7 +218,7 @@ static int rxe_port_immutable(struct ib_device *ibdev, u32 port_num,
return 0;
err_out:
- rxe_err_dev(rxe, "returned err = %d", err);
+ rxe_err_dev(rxe, "returned err = %d\n", err);
return err;
}
@@ -210,7 +231,7 @@ static int rxe_alloc_ucontext(struct ib_ucontext *ibuc, struct ib_udata *udata)
err = rxe_add_to_pool(&rxe->uc_pool, uc);
if (err)
- rxe_err_dev(rxe, "unable to create uc");
+ rxe_err_dev(rxe, "unable to create uc\n");
return err;
}
@@ -222,7 +243,7 @@ static void rxe_dealloc_ucontext(struct ib_ucontext *ibuc)
err = rxe_cleanup(uc);
if (err)
- rxe_err_uc(uc, "cleanup failed, err = %d", err);
+ rxe_err_uc(uc, "cleanup failed, err = %d\n", err);
}
/* pd */
@@ -234,14 +255,14 @@ static int rxe_alloc_pd(struct ib_pd *ibpd, struct ib_udata *udata)
err = rxe_add_to_pool(&rxe->pd_pool, pd);
if (err) {
- rxe_dbg_dev(rxe, "unable to alloc pd");
+ rxe_dbg_dev(rxe, "unable to alloc pd\n");
goto err_out;
}
return 0;
err_out:
- rxe_err_dev(rxe, "returned err = %d", err);
+ rxe_err_dev(rxe, "returned err = %d\n", err);
return err;
}
@@ -252,7 +273,7 @@ static int rxe_dealloc_pd(struct ib_pd *ibpd, struct ib_udata *udata)
err = rxe_cleanup(pd);
if (err)
- rxe_err_pd(pd, "cleanup failed, err = %d", err);
+ rxe_err_pd(pd, "cleanup failed, err = %d\n", err);
return 0;
}
@@ -279,7 +300,7 @@ static int rxe_create_ah(struct ib_ah *ibah,
err = rxe_add_to_pool_ah(&rxe->ah_pool, ah,
init_attr->flags & RDMA_CREATE_AH_SLEEPABLE);
if (err) {
- rxe_dbg_dev(rxe, "unable to create ah");
+ rxe_dbg_dev(rxe, "unable to create ah\n");
goto err_out;
}
@@ -288,7 +309,7 @@ static int rxe_create_ah(struct ib_ah *ibah,
err = rxe_ah_chk_attr(ah, init_attr->ah_attr);
if (err) {
- rxe_dbg_ah(ah, "bad attr");
+ rxe_dbg_ah(ah, "bad attr\n");
goto err_cleanup;
}
@@ -298,7 +319,7 @@ static int rxe_create_ah(struct ib_ah *ibah,
sizeof(uresp->ah_num));
if (err) {
err = -EFAULT;
- rxe_dbg_ah(ah, "unable to copy to user");
+ rxe_dbg_ah(ah, "unable to copy to user\n");
goto err_cleanup;
}
} else if (ah->is_user) {
@@ -314,9 +335,9 @@ static int rxe_create_ah(struct ib_ah *ibah,
err_cleanup:
cleanup_err = rxe_cleanup(ah);
if (cleanup_err)
- rxe_err_ah(ah, "cleanup failed, err = %d", cleanup_err);
+ rxe_err_ah(ah, "cleanup failed, err = %d\n", cleanup_err);
err_out:
- rxe_err_ah(ah, "returned err = %d", err);
+ rxe_err_ah(ah, "returned err = %d\n", err);
return err;
}
@@ -327,7 +348,7 @@ static int rxe_modify_ah(struct ib_ah *ibah, struct rdma_ah_attr *attr)
err = rxe_ah_chk_attr(ah, attr);
if (err) {
- rxe_dbg_ah(ah, "bad attr");
+ rxe_dbg_ah(ah, "bad attr\n");
goto err_out;
}
@@ -336,7 +357,7 @@ static int rxe_modify_ah(struct ib_ah *ibah, struct rdma_ah_attr *attr)
return 0;
err_out:
- rxe_err_ah(ah, "returned err = %d", err);
+ rxe_err_ah(ah, "returned err = %d\n", err);
return err;
}
@@ -358,7 +379,7 @@ static int rxe_destroy_ah(struct ib_ah *ibah, u32 flags)
err = rxe_cleanup_ah(ah, flags & RDMA_DESTROY_AH_SLEEPABLE);
if (err)
- rxe_err_ah(ah, "cleanup failed, err = %d", err);
+ rxe_err_ah(ah, "cleanup failed, err = %d\n", err);
return 0;
}
@@ -376,7 +397,7 @@ static int rxe_create_srq(struct ib_srq *ibsrq, struct ib_srq_init_attr *init,
if (udata) {
if (udata->outlen < sizeof(*uresp)) {
err = -EINVAL;
- rxe_err_dev(rxe, "malformed udata");
+ rxe_err_dev(rxe, "malformed udata\n");
goto err_out;
}
uresp = udata->outbuf;
@@ -384,20 +405,20 @@ static int rxe_create_srq(struct ib_srq *ibsrq, struct ib_srq_init_attr *init,
if (init->srq_type != IB_SRQT_BASIC) {
err = -EOPNOTSUPP;
- rxe_dbg_dev(rxe, "srq type = %d, not supported",
+ rxe_dbg_dev(rxe, "srq type = %d, not supported\n",
init->srq_type);
goto err_out;
}
err = rxe_srq_chk_init(rxe, init);
if (err) {
- rxe_dbg_dev(rxe, "invalid init attributes");
+ rxe_dbg_dev(rxe, "invalid init attributes\n");
goto err_out;
}
err = rxe_add_to_pool(&rxe->srq_pool, srq);
if (err) {
- rxe_dbg_dev(rxe, "unable to create srq, err = %d", err);
+ rxe_dbg_dev(rxe, "unable to create srq, err = %d\n", err);
goto err_out;
}
@@ -406,7 +427,7 @@ static int rxe_create_srq(struct ib_srq *ibsrq, struct ib_srq_init_attr *init,
err = rxe_srq_from_init(rxe, srq, init, udata, uresp);
if (err) {
- rxe_dbg_srq(srq, "create srq failed, err = %d", err);
+ rxe_dbg_srq(srq, "create srq failed, err = %d\n", err);
goto err_cleanup;
}
@@ -415,9 +436,9 @@ static int rxe_create_srq(struct ib_srq *ibsrq, struct ib_srq_init_attr *init,
err_cleanup:
cleanup_err = rxe_cleanup(srq);
if (cleanup_err)
- rxe_err_srq(srq, "cleanup failed, err = %d", cleanup_err);
+ rxe_err_srq(srq, "cleanup failed, err = %d\n", cleanup_err);
err_out:
- rxe_err_dev(rxe, "returned err = %d", err);
+ rxe_err_dev(rxe, "returned err = %d\n", err);
return err;
}
@@ -433,34 +454,34 @@ static int rxe_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr,
if (udata) {
if (udata->inlen < sizeof(cmd)) {
err = -EINVAL;
- rxe_dbg_srq(srq, "malformed udata");
+ rxe_dbg_srq(srq, "malformed udata\n");
goto err_out;
}
err = ib_copy_from_udata(&cmd, udata, sizeof(cmd));
if (err) {
err = -EFAULT;
- rxe_dbg_srq(srq, "unable to read udata");
+ rxe_dbg_srq(srq, "unable to read udata\n");
goto err_out;
}
}
err = rxe_srq_chk_attr(rxe, srq, attr, mask);
if (err) {
- rxe_dbg_srq(srq, "bad init attributes");
+ rxe_dbg_srq(srq, "bad init attributes\n");
goto err_out;
}
err = rxe_srq_from_attr(rxe, srq, attr, mask, &cmd, udata);
if (err) {
- rxe_dbg_srq(srq, "bad attr");
+ rxe_dbg_srq(srq, "bad attr\n");
goto err_out;
}
return 0;
err_out:
- rxe_err_srq(srq, "returned err = %d", err);
+ rxe_err_srq(srq, "returned err = %d\n", err);
return err;
}
@@ -471,7 +492,7 @@ static int rxe_query_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr)
if (srq->error) {
err = -EINVAL;
- rxe_dbg_srq(srq, "srq in error state");
+ rxe_dbg_srq(srq, "srq in error state\n");
goto err_out;
}
@@ -481,7 +502,7 @@ static int rxe_query_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr)
return 0;
err_out:
- rxe_err_srq(srq, "returned err = %d", err);
+ rxe_err_srq(srq, "returned err = %d\n", err);
return err;
}
@@ -505,7 +526,7 @@ static int rxe_post_srq_recv(struct ib_srq *ibsrq, const struct ib_recv_wr *wr,
if (err) {
*bad_wr = wr;
- rxe_err_srq(srq, "returned err = %d", err);
+ rxe_err_srq(srq, "returned err = %d\n", err);
}
return err;
@@ -518,7 +539,7 @@ static int rxe_destroy_srq(struct ib_srq *ibsrq, struct ib_udata *udata)
err = rxe_cleanup(srq);
if (err)
- rxe_err_srq(srq, "cleanup failed, err = %d", err);
+ rxe_err_srq(srq, "cleanup failed, err = %d\n", err);
return 0;
}
@@ -536,13 +557,13 @@ static int rxe_create_qp(struct ib_qp *ibqp, struct ib_qp_init_attr *init,
if (udata) {
if (udata->inlen) {
err = -EINVAL;
- rxe_dbg_dev(rxe, "malformed udata, err = %d", err);
+ rxe_dbg_dev(rxe, "malformed udata, err = %d\n", err);
goto err_out;
}
if (udata->outlen < sizeof(*uresp)) {
err = -EINVAL;
- rxe_dbg_dev(rxe, "malformed udata, err = %d", err);
+ rxe_dbg_dev(rxe, "malformed udata, err = %d\n", err);
goto err_out;
}
@@ -554,25 +575,25 @@ static int rxe_create_qp(struct ib_qp *ibqp, struct ib_qp_init_attr *init,
if (init->create_flags) {
err = -EOPNOTSUPP;
- rxe_dbg_dev(rxe, "unsupported create_flags, err = %d", err);
+ rxe_dbg_dev(rxe, "unsupported create_flags, err = %d\n", err);
goto err_out;
}
err = rxe_qp_chk_init(rxe, init);
if (err) {
- rxe_dbg_dev(rxe, "bad init attr, err = %d", err);
+ rxe_dbg_dev(rxe, "bad init attr, err = %d\n", err);
goto err_out;
}
err = rxe_add_to_pool(&rxe->qp_pool, qp);
if (err) {
- rxe_dbg_dev(rxe, "unable to create qp, err = %d", err);
+ rxe_dbg_dev(rxe, "unable to create qp, err = %d\n", err);
goto err_out;
}
err = rxe_qp_from_init(rxe, qp, pd, init, uresp, ibqp->pd, udata);
if (err) {
- rxe_dbg_qp(qp, "create qp failed, err = %d", err);
+ rxe_dbg_qp(qp, "create qp failed, err = %d\n", err);
goto err_cleanup;
}
@@ -582,9 +603,9 @@ static int rxe_create_qp(struct ib_qp *ibqp, struct ib_qp_init_attr *init,
err_cleanup:
cleanup_err = rxe_cleanup(qp);
if (cleanup_err)
- rxe_err_qp(qp, "cleanup failed, err = %d", cleanup_err);
+ rxe_err_qp(qp, "cleanup failed, err = %d\n", cleanup_err);
err_out:
- rxe_err_dev(rxe, "returned err = %d", err);
+ rxe_err_dev(rxe, "returned err = %d\n", err);
return err;
}
@@ -597,20 +618,20 @@ static int rxe_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
if (mask & ~IB_QP_ATTR_STANDARD_BITS) {
err = -EOPNOTSUPP;
- rxe_dbg_qp(qp, "unsupported mask = 0x%x, err = %d",
+ rxe_dbg_qp(qp, "unsupported mask = 0x%x, err = %d\n",
mask, err);
goto err_out;
}
err = rxe_qp_chk_attr(rxe, qp, attr, mask);
if (err) {
- rxe_dbg_qp(qp, "bad mask/attr, err = %d", err);
+ rxe_dbg_qp(qp, "bad mask/attr, err = %d\n", err);
goto err_out;
}
err = rxe_qp_from_attr(qp, attr, mask, udata);
if (err) {
- rxe_dbg_qp(qp, "modify qp failed, err = %d", err);
+ rxe_dbg_qp(qp, "modify qp failed, err = %d\n", err);
goto err_out;
}
@@ -622,7 +643,7 @@ static int rxe_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
return 0;
err_out:
- rxe_err_qp(qp, "returned err = %d", err);
+ rxe_err_qp(qp, "returned err = %d\n", err);
return err;
}
@@ -644,18 +665,18 @@ static int rxe_destroy_qp(struct ib_qp *ibqp, struct ib_udata *udata)
err = rxe_qp_chk_destroy(qp);
if (err) {
- rxe_dbg_qp(qp, "unable to destroy qp, err = %d", err);
+ rxe_dbg_qp(qp, "unable to destroy qp, err = %d\n", err);
goto err_out;
}
err = rxe_cleanup(qp);
if (err)
- rxe_err_qp(qp, "cleanup failed, err = %d", err);
+ rxe_err_qp(qp, "cleanup failed, err = %d\n", err);
return 0;
err_out:
- rxe_err_qp(qp, "returned err = %d", err);
+ rxe_err_qp(qp, "returned err = %d\n", err);
return err;
}
@@ -675,12 +696,12 @@ static int validate_send_wr(struct rxe_qp *qp, const struct ib_send_wr *ibwr,
do {
mask = wr_opcode_mask(ibwr->opcode, qp);
if (!mask) {
- rxe_err_qp(qp, "bad wr opcode for qp type");
+ rxe_err_qp(qp, "bad wr opcode for qp type\n");
break;
}
if (num_sge > sq->max_sge) {
- rxe_err_qp(qp, "num_sge > max_sge");
+ rxe_err_qp(qp, "num_sge > max_sge\n");
break;
}
@@ -688,28 +709,28 @@ static int validate_send_wr(struct rxe_qp *qp, const struct ib_send_wr *ibwr,
for (i = 0; i < ibwr->num_sge; i++)
length += ibwr->sg_list[i].length;
- if (length > (1UL << 31)) {
- rxe_err_qp(qp, "message length too long");
+ if (length > RXE_PORT_MAX_MSG_SZ) {
+ rxe_err_qp(qp, "message length too long\n");
break;
}
if (mask & WR_ATOMIC_MASK) {
if (length != 8) {
- rxe_err_qp(qp, "atomic length != 8");
+ rxe_err_qp(qp, "atomic length != 8\n");
break;
}
if (atomic_wr(ibwr)->remote_addr & 0x7) {
- rxe_err_qp(qp, "misaligned atomic address");
+ rxe_err_qp(qp, "misaligned atomic address\n");
break;
}
}
if (ibwr->send_flags & IB_SEND_INLINE) {
if (!(mask & WR_INLINE_MASK)) {
- rxe_err_qp(qp, "opcode doesn't support inline data");
+ rxe_err_qp(qp, "opcode doesn't support inline data\n");
break;
}
if (length > sq->max_inline) {
- rxe_err_qp(qp, "inline length too big");
+ rxe_err_qp(qp, "inline length too big\n");
break;
}
}
@@ -747,7 +768,7 @@ static int init_send_wr(struct rxe_qp *qp, struct rxe_send_wr *wr,
case IB_WR_SEND:
break;
default:
- rxe_err_qp(qp, "bad wr opcode %d for UD/GSI QP",
+ rxe_err_qp(qp, "bad wr opcode %d for UD/GSI QP\n",
wr->opcode);
return -EINVAL;
}
@@ -795,10 +816,9 @@ static int init_send_wr(struct rxe_qp *qp, struct rxe_send_wr *wr,
case IB_WR_ATOMIC_WRITE:
break;
default:
- rxe_err_qp(qp, "unsupported wr opcode %d",
+ rxe_err_qp(qp, "unsupported wr opcode %d\n",
wr->opcode);
return -EINVAL;
- break;
}
}
@@ -813,7 +833,7 @@ static void copy_inline_data_to_wqe(struct rxe_send_wqe *wqe,
int i;
for (i = 0; i < ibwr->num_sge; i++, sge++) {
- memcpy(p, ib_virt_dma_to_page(sge->addr), sge->length);
+ memcpy(p, ib_virt_dma_to_ptr(sge->addr), sge->length);
p += sge->length;
}
}
@@ -871,7 +891,7 @@ static int post_one_send(struct rxe_qp *qp, const struct ib_send_wr *ibwr)
full = queue_full(sq->queue, QUEUE_TYPE_FROM_ULP);
if (unlikely(full)) {
- rxe_err_qp(qp, "send queue full");
+ rxe_err_qp(qp, "send queue full\n");
return -ENOMEM;
}
@@ -889,6 +909,7 @@ static int rxe_post_send_kernel(struct rxe_qp *qp,
{
int err = 0;
unsigned long flags;
+ int good = 0;
spin_lock_irqsave(&qp->sq.sq_lock, flags);
while (ibwr) {
@@ -896,18 +917,16 @@ static int rxe_post_send_kernel(struct rxe_qp *qp,
if (err) {
*bad_wr = ibwr;
break;
+ } else {
+ good++;
}
ibwr = ibwr->next;
}
spin_unlock_irqrestore(&qp->sq.sq_lock, flags);
- if (!err)
- rxe_sched_task(&qp->req.task);
-
- spin_lock_bh(&qp->state_lock);
- if (qp_state(qp) == IB_QPS_ERR)
- rxe_sched_task(&qp->comp.task);
- spin_unlock_bh(&qp->state_lock);
+ /* kickoff processing of any posted wqes */
+ if (good)
+ rxe_sched_task(&qp->send_task);
return err;
}
@@ -917,26 +936,27 @@ static int rxe_post_send(struct ib_qp *ibqp, const struct ib_send_wr *wr,
{
struct rxe_qp *qp = to_rqp(ibqp);
int err;
+ unsigned long flags;
- spin_lock_bh(&qp->state_lock);
+ spin_lock_irqsave(&qp->state_lock, flags);
/* caller has already called destroy_qp */
if (WARN_ON_ONCE(!qp->valid)) {
- spin_unlock_bh(&qp->state_lock);
- rxe_err_qp(qp, "qp has been destroyed");
+ spin_unlock_irqrestore(&qp->state_lock, flags);
+ rxe_err_qp(qp, "qp has been destroyed\n");
return -EINVAL;
}
if (unlikely(qp_state(qp) < IB_QPS_RTS)) {
- spin_unlock_bh(&qp->state_lock);
+ spin_unlock_irqrestore(&qp->state_lock, flags);
*bad_wr = wr;
- rxe_err_qp(qp, "qp not ready to send");
+ rxe_err_qp(qp, "qp not ready to send\n");
return -EINVAL;
}
- spin_unlock_bh(&qp->state_lock);
+ spin_unlock_irqrestore(&qp->state_lock, flags);
if (qp->is_user) {
/* Utilize process context to do protocol processing */
- rxe_run_task(&qp->req.task);
+ rxe_sched_task(&qp->send_task);
} else {
err = rxe_post_send_kernel(qp, wr, bad_wr);
if (err)
@@ -959,13 +979,13 @@ static int post_one_recv(struct rxe_rq *rq, const struct ib_recv_wr *ibwr)
full = queue_full(rq->queue, QUEUE_TYPE_FROM_ULP);
if (unlikely(full)) {
err = -ENOMEM;
- rxe_dbg("queue full");
+ rxe_dbg("queue full\n");
goto err_out;
}
if (unlikely(num_sge > rq->max_sge)) {
err = -EINVAL;
- rxe_dbg("bad num_sge > max_sge");
+ rxe_dbg("bad num_sge > max_sge\n");
goto err_out;
}
@@ -973,10 +993,9 @@ static int post_one_recv(struct rxe_rq *rq, const struct ib_recv_wr *ibwr)
for (i = 0; i < num_sge; i++)
length += ibwr->sg_list[i].length;
- /* IBA max message size is 2^31 */
- if (length >= (1UL<<31)) {
+ if (length > RXE_PORT_MAX_MSG_SZ) {
err = -EINVAL;
- rxe_dbg("message length too long");
+ rxe_dbg("message length too long\n");
goto err_out;
}
@@ -996,7 +1015,7 @@ static int post_one_recv(struct rxe_rq *rq, const struct ib_recv_wr *ibwr)
return 0;
err_out:
- rxe_dbg("returned err = %d", err);
+ rxe_dbg("returned err = %d\n", err);
return err;
}
@@ -1008,26 +1027,26 @@ static int rxe_post_recv(struct ib_qp *ibqp, const struct ib_recv_wr *wr,
struct rxe_rq *rq = &qp->rq;
unsigned long flags;
- spin_lock_bh(&qp->state_lock);
+ spin_lock_irqsave(&qp->state_lock, flags);
/* caller has already called destroy_qp */
if (WARN_ON_ONCE(!qp->valid)) {
- spin_unlock_bh(&qp->state_lock);
- rxe_err_qp(qp, "qp has been destroyed");
+ spin_unlock_irqrestore(&qp->state_lock, flags);
+ rxe_err_qp(qp, "qp has been destroyed\n");
return -EINVAL;
}
/* see C10-97.2.1 */
if (unlikely((qp_state(qp) < IB_QPS_INIT))) {
- spin_unlock_bh(&qp->state_lock);
+ spin_unlock_irqrestore(&qp->state_lock, flags);
*bad_wr = wr;
- rxe_dbg_qp(qp, "qp not ready to post recv");
+ rxe_dbg_qp(qp, "qp not ready to post recv\n");
return -EINVAL;
}
- spin_unlock_bh(&qp->state_lock);
+ spin_unlock_irqrestore(&qp->state_lock, flags);
if (unlikely(qp->srq)) {
*bad_wr = wr;
- rxe_dbg_qp(qp, "qp has srq, use post_srq_recv instead");
+ rxe_dbg_qp(qp, "qp has srq, use post_srq_recv instead\n");
return -EINVAL;
}
@@ -1044,18 +1063,19 @@ static int rxe_post_recv(struct ib_qp *ibqp, const struct ib_recv_wr *wr,
spin_unlock_irqrestore(&rq->producer_lock, flags);
- spin_lock_bh(&qp->state_lock);
+ spin_lock_irqsave(&qp->state_lock, flags);
if (qp_state(qp) == IB_QPS_ERR)
- rxe_sched_task(&qp->resp.task);
- spin_unlock_bh(&qp->state_lock);
+ rxe_sched_task(&qp->recv_task);
+ spin_unlock_irqrestore(&qp->state_lock, flags);
return err;
}
/* cq */
static int rxe_create_cq(struct ib_cq *ibcq, const struct ib_cq_init_attr *attr,
- struct ib_udata *udata)
+ struct uverbs_attr_bundle *attrs)
{
+ struct ib_udata *udata = &attrs->driver_udata;
struct ib_device *dev = ibcq->device;
struct rxe_dev *rxe = to_rdev(dev);
struct rxe_cq *cq = to_rcq(ibcq);
@@ -1065,7 +1085,7 @@ static int rxe_create_cq(struct ib_cq *ibcq, const struct ib_cq_init_attr *attr,
if (udata) {
if (udata->outlen < sizeof(*uresp)) {
err = -EINVAL;
- rxe_dbg_dev(rxe, "malformed udata, err = %d", err);
+ rxe_dbg_dev(rxe, "malformed udata, err = %d\n", err);
goto err_out;
}
uresp = udata->outbuf;
@@ -1073,26 +1093,26 @@ static int rxe_create_cq(struct ib_cq *ibcq, const struct ib_cq_init_attr *attr,
if (attr->flags) {
err = -EOPNOTSUPP;
- rxe_dbg_dev(rxe, "bad attr->flags, err = %d", err);
+ rxe_dbg_dev(rxe, "bad attr->flags, err = %d\n", err);
goto err_out;
}
err = rxe_cq_chk_attr(rxe, NULL, attr->cqe, attr->comp_vector);
if (err) {
- rxe_dbg_dev(rxe, "bad init attributes, err = %d", err);
+ rxe_dbg_dev(rxe, "bad init attributes, err = %d\n", err);
goto err_out;
}
err = rxe_add_to_pool(&rxe->cq_pool, cq);
if (err) {
- rxe_dbg_dev(rxe, "unable to create cq, err = %d", err);
+ rxe_dbg_dev(rxe, "unable to create cq, err = %d\n", err);
goto err_out;
}
err = rxe_cq_from_init(rxe, cq, attr->cqe, attr->comp_vector, udata,
uresp);
if (err) {
- rxe_dbg_cq(cq, "create cq failed, err = %d", err);
+ rxe_dbg_cq(cq, "create cq failed, err = %d\n", err);
goto err_cleanup;
}
@@ -1101,9 +1121,9 @@ static int rxe_create_cq(struct ib_cq *ibcq, const struct ib_cq_init_attr *attr,
err_cleanup:
cleanup_err = rxe_cleanup(cq);
if (cleanup_err)
- rxe_err_cq(cq, "cleanup failed, err = %d", cleanup_err);
+ rxe_err_cq(cq, "cleanup failed, err = %d\n", cleanup_err);
err_out:
- rxe_err_dev(rxe, "returned err = %d", err);
+ rxe_err_dev(rxe, "returned err = %d\n", err);
return err;
}
@@ -1117,7 +1137,7 @@ static int rxe_resize_cq(struct ib_cq *ibcq, int cqe, struct ib_udata *udata)
if (udata) {
if (udata->outlen < sizeof(*uresp)) {
err = -EINVAL;
- rxe_dbg_cq(cq, "malformed udata");
+ rxe_dbg_cq(cq, "malformed udata\n");
goto err_out;
}
uresp = udata->outbuf;
@@ -1125,20 +1145,20 @@ static int rxe_resize_cq(struct ib_cq *ibcq, int cqe, struct ib_udata *udata)
err = rxe_cq_chk_attr(rxe, cq, cqe, 0);
if (err) {
- rxe_dbg_cq(cq, "bad attr, err = %d", err);
+ rxe_dbg_cq(cq, "bad attr, err = %d\n", err);
goto err_out;
}
err = rxe_cq_resize_queue(cq, cqe, uresp, udata);
if (err) {
- rxe_dbg_cq(cq, "resize cq failed, err = %d", err);
+ rxe_dbg_cq(cq, "resize cq failed, err = %d\n", err);
goto err_out;
}
return 0;
err_out:
- rxe_err_cq(cq, "returned err = %d", err);
+ rxe_err_cq(cq, "returned err = %d\n", err);
return err;
}
@@ -1181,9 +1201,7 @@ static int rxe_req_notify_cq(struct ib_cq *ibcq, enum ib_cq_notify_flags flags)
unsigned long irq_flags;
spin_lock_irqsave(&cq->cq_lock, irq_flags);
- if (cq->notify != IB_CQ_NEXT_COMP)
- cq->notify = flags & IB_CQ_SOLICITED_MASK;
-
+ cq->notify |= flags & IB_CQ_SOLICITED_MASK;
empty = queue_empty(cq->queue, QUEUE_TYPE_TO_ULP);
if ((flags & IB_CQ_REPORT_MISSED_EVENTS) && !empty)
@@ -1204,18 +1222,18 @@ static int rxe_destroy_cq(struct ib_cq *ibcq, struct ib_udata *udata)
*/
if (atomic_read(&cq->num_wq)) {
err = -EINVAL;
- rxe_dbg_cq(cq, "still in use");
+ rxe_dbg_cq(cq, "still in use\n");
goto err_out;
}
err = rxe_cleanup(cq);
if (err)
- rxe_err_cq(cq, "cleanup failed, err = %d", err);
+ rxe_err_cq(cq, "cleanup failed, err = %d\n", err);
return 0;
err_out:
- rxe_err_cq(cq, "returned err = %d", err);
+ rxe_err_cq(cq, "returned err = %d\n", err);
return err;
}
@@ -1233,7 +1251,7 @@ static struct ib_mr *rxe_get_dma_mr(struct ib_pd *ibpd, int access)
err = rxe_add_to_pool(&rxe->mr_pool, mr);
if (err) {
- rxe_dbg_dev(rxe, "unable to create mr");
+ rxe_dbg_dev(rxe, "unable to create mr\n");
goto err_free;
}
@@ -1247,12 +1265,13 @@ static struct ib_mr *rxe_get_dma_mr(struct ib_pd *ibpd, int access)
err_free:
kfree(mr);
- rxe_err_pd(pd, "returned err = %d", err);
+ rxe_err_pd(pd, "returned err = %d\n", err);
return ERR_PTR(err);
}
static struct ib_mr *rxe_reg_user_mr(struct ib_pd *ibpd, u64 start,
u64 length, u64 iova, int access,
+ struct ib_dmah *dmah,
struct ib_udata *udata)
{
struct rxe_dev *rxe = to_rdev(ibpd->device);
@@ -1260,13 +1279,22 @@ static struct ib_mr *rxe_reg_user_mr(struct ib_pd *ibpd, u64 start,
struct rxe_mr *mr;
int err, cleanup_err;
+ if (dmah)
+ return ERR_PTR(-EOPNOTSUPP);
+
+ if (access & ~RXE_ACCESS_SUPPORTED_MR) {
+ rxe_err_pd(pd, "access = %#x not supported (%#x)\n", access,
+ RXE_ACCESS_SUPPORTED_MR);
+ return ERR_PTR(-EOPNOTSUPP);
+ }
+
mr = kzalloc(sizeof(*mr), GFP_KERNEL);
if (!mr)
return ERR_PTR(-ENOMEM);
err = rxe_add_to_pool(&rxe->mr_pool, mr);
if (err) {
- rxe_dbg_pd(pd, "unable to create mr");
+ rxe_dbg_pd(pd, "unable to create mr\n");
goto err_free;
}
@@ -1274,9 +1302,12 @@ static struct ib_mr *rxe_reg_user_mr(struct ib_pd *ibpd, u64 start,
mr->ibmr.pd = ibpd;
mr->ibmr.device = ibpd->device;
- err = rxe_mr_init_user(rxe, start, length, iova, access, mr);
+ if (access & IB_ACCESS_ON_DEMAND)
+ err = rxe_odp_mr_init_user(rxe, start, length, iova, access, mr);
+ else
+ err = rxe_mr_init_user(rxe, start, length, access, mr);
if (err) {
- rxe_dbg_mr(mr, "reg_user_mr failed, err = %d", err);
+ rxe_dbg_mr(mr, "reg_user_mr failed, err = %d\n", err);
goto err_cleanup;
}
@@ -1286,13 +1317,47 @@ static struct ib_mr *rxe_reg_user_mr(struct ib_pd *ibpd, u64 start,
err_cleanup:
cleanup_err = rxe_cleanup(mr);
if (cleanup_err)
- rxe_err_mr(mr, "cleanup failed, err = %d", cleanup_err);
+ rxe_err_mr(mr, "cleanup failed, err = %d\n", cleanup_err);
err_free:
kfree(mr);
- rxe_err_pd(pd, "returned err = %d", err);
+ rxe_err_pd(pd, "returned err = %d\n", err);
return ERR_PTR(err);
}
+static struct ib_mr *rxe_rereg_user_mr(struct ib_mr *ibmr, int flags,
+ u64 start, u64 length, u64 iova,
+ int access, struct ib_pd *ibpd,
+ struct ib_udata *udata)
+{
+ struct rxe_mr *mr = to_rmr(ibmr);
+ struct rxe_pd *old_pd = to_rpd(ibmr->pd);
+ struct rxe_pd *pd = to_rpd(ibpd);
+
+ /* for now only support the two easy cases:
+ * rereg_pd and rereg_access
+ */
+ if (flags & ~RXE_MR_REREG_SUPPORTED) {
+ rxe_err_mr(mr, "flags = %#x not supported\n", flags);
+ return ERR_PTR(-EOPNOTSUPP);
+ }
+
+ if (flags & IB_MR_REREG_PD) {
+ rxe_put(old_pd);
+ rxe_get(pd);
+ mr->ibmr.pd = ibpd;
+ }
+
+ if (flags & IB_MR_REREG_ACCESS) {
+ if (access & ~RXE_ACCESS_SUPPORTED_MR) {
+ rxe_err_mr(mr, "access = %#x not supported\n", access);
+ return ERR_PTR(-EOPNOTSUPP);
+ }
+ mr->access = access;
+ }
+
+ return NULL;
+}
+
static struct ib_mr *rxe_alloc_mr(struct ib_pd *ibpd, enum ib_mr_type mr_type,
u32 max_num_sg)
{
@@ -1303,7 +1368,7 @@ static struct ib_mr *rxe_alloc_mr(struct ib_pd *ibpd, enum ib_mr_type mr_type,
if (mr_type != IB_MR_TYPE_MEM_REG) {
err = -EINVAL;
- rxe_dbg_pd(pd, "mr type %d not supported, err = %d",
+ rxe_dbg_pd(pd, "mr type %d not supported, err = %d\n",
mr_type, err);
goto err_out;
}
@@ -1322,7 +1387,7 @@ static struct ib_mr *rxe_alloc_mr(struct ib_pd *ibpd, enum ib_mr_type mr_type,
err = rxe_mr_init_fast(max_num_sg, mr);
if (err) {
- rxe_dbg_mr(mr, "alloc_mr failed, err = %d", err);
+ rxe_dbg_mr(mr, "alloc_mr failed, err = %d\n", err);
goto err_cleanup;
}
@@ -1332,11 +1397,11 @@ static struct ib_mr *rxe_alloc_mr(struct ib_pd *ibpd, enum ib_mr_type mr_type,
err_cleanup:
cleanup_err = rxe_cleanup(mr);
if (cleanup_err)
- rxe_err_mr(mr, "cleanup failed, err = %d", err);
+ rxe_err_mr(mr, "cleanup failed, err = %d\n", err);
err_free:
kfree(mr);
err_out:
- rxe_err_pd(pd, "returned err = %d", err);
+ rxe_err_pd(pd, "returned err = %d\n", err);
return ERR_PTR(err);
}
@@ -1348,19 +1413,19 @@ static int rxe_dereg_mr(struct ib_mr *ibmr, struct ib_udata *udata)
/* See IBA 10.6.7.2.6 */
if (atomic_read(&mr->num_mw) > 0) {
err = -EINVAL;
- rxe_dbg_mr(mr, "mr has mw's bound");
+ rxe_dbg_mr(mr, "mr has mw's bound\n");
goto err_out;
}
cleanup_err = rxe_cleanup(mr);
if (cleanup_err)
- rxe_err_mr(mr, "cleanup failed, err = %d", cleanup_err);
+ rxe_err_mr(mr, "cleanup failed, err = %d\n", cleanup_err);
- kfree_rcu(mr);
+ kfree_rcu_mightsleep(mr);
return 0;
err_out:
- rxe_err_mr(mr, "returned err = %d", err);
+ rxe_err_mr(mr, "returned err = %d\n", err);
return err;
}
@@ -1387,9 +1452,16 @@ static const struct attribute_group rxe_attr_group = {
static int rxe_enable_driver(struct ib_device *ib_dev)
{
struct rxe_dev *rxe = container_of(ib_dev, struct rxe_dev, ib_dev);
+ struct net_device *ndev;
+
+ ndev = rxe_ib_device_get_netdev(ib_dev);
+ if (!ndev)
+ return -ENODEV;
rxe_set_port_state(rxe);
- dev_info(&rxe->ib_dev.dev, "added %s\n", netdev_name(rxe->ndev));
+ dev_info(&rxe->ib_dev.dev, "added %s\n", netdev_name(ndev));
+
+ dev_put(ndev);
return 0;
}
@@ -1440,11 +1512,13 @@ static const struct ib_device_ops rxe_dev_ops = {
.query_ah = rxe_query_ah,
.query_device = rxe_query_device,
.query_pkey = rxe_query_pkey,
+ .query_gid = rxe_query_gid,
.query_port = rxe_query_port,
.query_qp = rxe_query_qp,
.query_srq = rxe_query_srq,
.reg_user_mr = rxe_reg_user_mr,
.req_notify_cq = rxe_req_notify_cq,
+ .rereg_user_mr = rxe_rereg_user_mr,
.resize_cq = rxe_resize_cq,
INIT_RDMA_OBJ_SIZE(ib_ah, rxe_ah, ibah),
@@ -1456,7 +1530,8 @@ static const struct ib_device_ops rxe_dev_ops = {
INIT_RDMA_OBJ_SIZE(ib_mw, rxe_mw, ibmw),
};
-int rxe_register_device(struct rxe_dev *rxe, const char *ibdev_name)
+int rxe_register_device(struct rxe_dev *rxe, const char *ibdev_name,
+ struct net_device *ndev)
{
int err;
struct ib_device *dev = &rxe->ib_dev;
@@ -1468,17 +1543,13 @@ int rxe_register_device(struct rxe_dev *rxe, const char *ibdev_name)
dev->num_comp_vectors = num_possible_cpus();
dev->local_dma_lkey = 0;
addrconf_addr_eui48((unsigned char *)&dev->node_guid,
- rxe->ndev->dev_addr);
+ rxe->raw_gid);
dev->uverbs_cmd_mask |= BIT_ULL(IB_USER_VERBS_CMD_POST_SEND) |
BIT_ULL(IB_USER_VERBS_CMD_REQ_NOTIFY_CQ);
ib_set_device_ops(dev, &rxe_dev_ops);
- err = ib_device_set_netdev(&rxe->ib_dev, rxe->ndev, 1);
- if (err)
- return err;
-
- err = rxe_icrc_init(rxe);
+ err = ib_device_set_netdev(&rxe->ib_dev, ndev, 1);
if (err)
return err;
generated by cgit (git 2.34.1) at 2025-12-26 00:09:08 +0000