aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/infiniband/sw
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/infiniband/sw')
-rw-r--r--drivers/infiniband/sw/rdmavt/Kconfig1
-rw-r--r--drivers/infiniband/sw/rdmavt/ah.c3
-rw-r--r--drivers/infiniband/sw/rdmavt/cq.c2
-rw-r--r--drivers/infiniband/sw/rdmavt/mcast.c12
-rw-r--r--drivers/infiniband/sw/rdmavt/mr.c6
-rw-r--r--drivers/infiniband/sw/rdmavt/qp.c18
-rw-r--r--drivers/infiniband/sw/rdmavt/vt.c36
-rw-r--r--drivers/infiniband/sw/rxe/Kconfig1
-rw-r--r--drivers/infiniband/sw/rxe/rxe_cq.c5
-rw-r--r--drivers/infiniband/sw/rxe/rxe_mr.c1
-rw-r--r--drivers/infiniband/sw/rxe/rxe_net.c18
-rw-r--r--drivers/infiniband/sw/rxe/rxe_queue.h94
-rw-r--r--drivers/infiniband/sw/rxe/rxe_req.c3
-rw-r--r--drivers/infiniband/sw/rxe/rxe_resp.c5
-rw-r--r--drivers/infiniband/sw/rxe/rxe_verbs.c67
-rw-r--r--drivers/infiniband/sw/rxe/rxe_verbs.h2
-rw-r--r--drivers/infiniband/sw/siw/Kconfig1
-rw-r--r--drivers/infiniband/sw/siw/siw.h1
-rw-r--r--drivers/infiniband/sw/siw/siw_cm.c2
-rw-r--r--drivers/infiniband/sw/siw/siw_main.c52
-rw-r--r--drivers/infiniband/sw/siw/siw_verbs.c12
21 files changed, 115 insertions, 227 deletions
diff --git a/drivers/infiniband/sw/rdmavt/Kconfig b/drivers/infiniband/sw/rdmavt/Kconfig
index c8e268082952..0df48b3a6b56 100644
--- a/drivers/infiniband/sw/rdmavt/Kconfig
+++ b/drivers/infiniband/sw/rdmavt/Kconfig
@@ -4,6 +4,5 @@ config INFINIBAND_RDMAVT
depends on INFINIBAND_VIRT_DMA
depends on X86_64
depends on PCI
- select DMA_VIRT_OPS
help
This is a common software verbs provider for RDMA networks.
diff --git a/drivers/infiniband/sw/rdmavt/ah.c b/drivers/infiniband/sw/rdmavt/ah.c
index b938c4ffa99a..a3e5b368c5e7 100644
--- a/drivers/infiniband/sw/rdmavt/ah.c
+++ b/drivers/infiniband/sw/rdmavt/ah.c
@@ -126,10 +126,9 @@ int rvt_create_ah(struct ib_ah *ibah, struct rdma_ah_init_attr *init_attr,
}
/**
- * rvt_destory_ah - Destory an address handle
+ * rvt_destroy_ah - Destroy an address handle
* @ibah: address handle
* @destroy_flags: destroy address handle flags (see enum rdma_destroy_ah_flags)
- *
* Return: 0 on success
*/
int rvt_destroy_ah(struct ib_ah *ibah, u32 destroy_flags)
diff --git a/drivers/infiniband/sw/rdmavt/cq.c b/drivers/infiniband/sw/rdmavt/cq.c
index 19248be14093..20cc0799ac4b 100644
--- a/drivers/infiniband/sw/rdmavt/cq.c
+++ b/drivers/infiniband/sw/rdmavt/cq.c
@@ -211,7 +211,7 @@ int rvt_create_cq(struct ib_cq *ibcq, const struct ib_cq_init_attr *attr,
int err;
if (attr->flags)
- return -EINVAL;
+ return -EOPNOTSUPP;
if (entries < 1 || entries > rdi->dparms.props.max_cqe)
return -EINVAL;
diff --git a/drivers/infiniband/sw/rdmavt/mcast.c b/drivers/infiniband/sw/rdmavt/mcast.c
index dd11c6fcd060..5233a63d99a6 100644
--- a/drivers/infiniband/sw/rdmavt/mcast.c
+++ b/drivers/infiniband/sw/rdmavt/mcast.c
@@ -54,7 +54,7 @@
#include "mcast.h"
/**
- * rvt_driver_mcast - init resources for multicast
+ * rvt_driver_mcast_init - init resources for multicast
* @rdi: rvt dev struct
*
* This is per device that registers with rdmavt
@@ -69,7 +69,7 @@ void rvt_driver_mcast_init(struct rvt_dev_info *rdi)
}
/**
- * mcast_qp_alloc - alloc a struct to link a QP to mcast GID struct
+ * rvt_mcast_qp_alloc - alloc a struct to link a QP to mcast GID struct
* @qp: the QP to link
*/
static struct rvt_mcast_qp *rvt_mcast_qp_alloc(struct rvt_qp *qp)
@@ -98,7 +98,7 @@ static void rvt_mcast_qp_free(struct rvt_mcast_qp *mqp)
}
/**
- * mcast_alloc - allocate the multicast GID structure
+ * rvt_mcast_alloc - allocate the multicast GID structure
* @mgid: the multicast GID
* @lid: the muilticast LID (host order)
*
@@ -181,7 +181,7 @@ struct rvt_mcast *rvt_mcast_find(struct rvt_ibport *ibp, union ib_gid *mgid,
EXPORT_SYMBOL(rvt_mcast_find);
/**
- * mcast_add - insert mcast GID into table and attach QP struct
+ * rvt_mcast_add - insert mcast GID into table and attach QP struct
* @mcast: the mcast GID table
* @mqp: the QP to attach
*
@@ -426,8 +426,8 @@ int rvt_detach_mcast(struct ib_qp *ibqp, union ib_gid *gid, u16 lid)
}
/**
- *rvt_mast_tree_empty - determine if any qps are attached to any mcast group
- *@rdi: rvt dev struct
+ * rvt_mcast_tree_empty - determine if any qps are attached to any mcast group
+ * @rdi: rvt dev struct
*
* Return: in use count
*/
diff --git a/drivers/infiniband/sw/rdmavt/mr.c b/drivers/infiniband/sw/rdmavt/mr.c
index 8490fdb9c91e..90fc234f489a 100644
--- a/drivers/infiniband/sw/rdmavt/mr.c
+++ b/drivers/infiniband/sw/rdmavt/mr.c
@@ -324,8 +324,6 @@ static void __rvt_free_mr(struct rvt_mr *mr)
* @acc: access flags
*
* Return: the memory region on success, otherwise returns an errno.
- * Note that all DMA addresses should be created via the functions in
- * struct dma_virt_ops.
*/
struct ib_mr *rvt_get_dma_mr(struct ib_pd *pd, int acc)
{
@@ -766,7 +764,7 @@ int rvt_lkey_ok(struct rvt_lkey_table *rkt, struct rvt_pd *pd,
/*
* We use LKEY == zero for kernel virtual addresses
- * (see rvt_get_dma_mr() and dma_virt_ops).
+ * (see rvt_get_dma_mr()).
*/
if (sge->lkey == 0) {
struct rvt_dev_info *dev = ib_to_rvt(pd->ibpd.device);
@@ -877,7 +875,7 @@ int rvt_rkey_ok(struct rvt_qp *qp, struct rvt_sge *sge,
/*
* We use RKEY == zero for kernel virtual addresses
- * (see rvt_get_dma_mr() and dma_virt_ops).
+ * (see rvt_get_dma_mr()).
*/
rcu_read_lock();
if (rkey == 0) {
diff --git a/drivers/infiniband/sw/rdmavt/qp.c b/drivers/infiniband/sw/rdmavt/qp.c
index ee48befc8978..22fa9bde5419 100644
--- a/drivers/infiniband/sw/rdmavt/qp.c
+++ b/drivers/infiniband/sw/rdmavt/qp.c
@@ -1083,10 +1083,11 @@ struct ib_qp *rvt_create_qp(struct ib_pd *ibpd,
if (!rdi)
return ERR_PTR(-EINVAL);
+ if (init_attr->create_flags & ~IB_QP_CREATE_NETDEV_USE)
+ return ERR_PTR(-EOPNOTSUPP);
+
if (init_attr->cap.max_send_sge > rdi->dparms.props.max_send_sge ||
- init_attr->cap.max_send_wr > rdi->dparms.props.max_qp_wr ||
- (init_attr->create_flags &&
- init_attr->create_flags != IB_QP_CREATE_NETDEV_USE))
+ init_attr->cap.max_send_wr > rdi->dparms.props.max_qp_wr)
return ERR_PTR(-EINVAL);
/* Check receive queue parameters if no SRQ is specified. */
@@ -1469,6 +1470,9 @@ int rvt_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
int pmtu = 0; /* for gcc warning only */
int opa_ah;
+ if (attr_mask & ~IB_QP_ATTR_STANDARD_BITS)
+ return -EOPNOTSUPP;
+
spin_lock_irq(&qp->r_lock);
spin_lock(&qp->s_hlock);
spin_lock(&qp->s_lock);
@@ -1823,7 +1827,7 @@ int rvt_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
}
/**
- * rvt_post_receive - post a receive on a QP
+ * rvt_post_recv - post a receive on a QP
* @ibqp: the QP to post the receive on
* @wr: the WR to post
* @bad_wr: the first bad WR is put here
@@ -2245,7 +2249,7 @@ bail:
}
/**
- * rvt_post_srq_receive - post a receive on a shared receive queue
+ * rvt_post_srq_recv - post a receive on a shared receive queue
* @ibsrq: the SRQ to post the receive on
* @wr: the list of work requests to post
* @bad_wr: A pointer to the first WR to cause a problem is put here
@@ -2497,7 +2501,7 @@ bail:
EXPORT_SYMBOL(rvt_get_rwqe);
/**
- * qp_comm_est - handle trap with QP established
+ * rvt_comm_est - handle trap with QP established
* @qp: the QP
*/
void rvt_comm_est(struct rvt_qp *qp)
@@ -2943,7 +2947,7 @@ static enum ib_wc_status loopback_qp_drop(struct rvt_ibport *rvp,
}
/**
- * ruc_loopback - handle UC and RC loopback requests
+ * rvt_ruc_loopback - handle UC and RC loopback requests
* @sqp: the sending QP
*
* This is called from rvt_do_send() to forward a WQE addressed to the same HFI
diff --git a/drivers/infiniband/sw/rdmavt/vt.c b/drivers/infiniband/sw/rdmavt/vt.c
index 670a9623b46e..49cec85a372a 100644
--- a/drivers/infiniband/sw/rdmavt/vt.c
+++ b/drivers/infiniband/sw/rdmavt/vt.c
@@ -384,6 +384,7 @@ static const struct ib_device_ops rvt_dev_ops = {
.create_cq = rvt_create_cq,
.create_qp = rvt_create_qp,
.create_srq = rvt_create_srq,
+ .create_user_ah = rvt_create_ah,
.dealloc_pd = rvt_dealloc_pd,
.dealloc_ucontext = rvt_dealloc_ucontext,
.dereg_mr = rvt_dereg_mr,
@@ -524,7 +525,6 @@ static noinline int check_support(struct rvt_dev_info *rdi, int verb)
int rvt_register_device(struct rvt_dev_info *rdi)
{
int ret = 0, i;
- u64 dma_mask;
if (!rdi)
return -EINVAL;
@@ -579,13 +579,6 @@ int rvt_register_device(struct rvt_dev_info *rdi)
/* Completion queues */
spin_lock_init(&rdi->n_cqs_lock);
- /* DMA Operations */
- rdi->ibdev.dev.dma_parms = rdi->ibdev.dev.parent->dma_parms;
- dma_mask = IS_ENABLED(CONFIG_64BIT) ? DMA_BIT_MASK(64) : DMA_BIT_MASK(32);
- ret = dma_coerce_mask_and_coherent(&rdi->ibdev.dev, dma_mask);
- if (ret)
- goto bail_wss;
-
/* Protection Domain */
spin_lock_init(&rdi->n_pds_lock);
rdi->n_pds_allocated = 0;
@@ -596,36 +589,11 @@ int rvt_register_device(struct rvt_dev_info *rdi)
* exactly which functions rdmavt supports, nor do they know the ABI
* version, so we do all of this sort of stuff here.
*/
- rdi->ibdev.uverbs_cmd_mask =
- (1ull << IB_USER_VERBS_CMD_GET_CONTEXT) |
- (1ull << IB_USER_VERBS_CMD_QUERY_DEVICE) |
- (1ull << IB_USER_VERBS_CMD_QUERY_PORT) |
- (1ull << IB_USER_VERBS_CMD_ALLOC_PD) |
- (1ull << IB_USER_VERBS_CMD_DEALLOC_PD) |
- (1ull << IB_USER_VERBS_CMD_CREATE_AH) |
- (1ull << IB_USER_VERBS_CMD_MODIFY_AH) |
- (1ull << IB_USER_VERBS_CMD_QUERY_AH) |
- (1ull << IB_USER_VERBS_CMD_DESTROY_AH) |
- (1ull << IB_USER_VERBS_CMD_REG_MR) |
- (1ull << IB_USER_VERBS_CMD_DEREG_MR) |
- (1ull << IB_USER_VERBS_CMD_CREATE_COMP_CHANNEL) |
- (1ull << IB_USER_VERBS_CMD_CREATE_CQ) |
- (1ull << IB_USER_VERBS_CMD_RESIZE_CQ) |
- (1ull << IB_USER_VERBS_CMD_DESTROY_CQ) |
+ rdi->ibdev.uverbs_cmd_mask |=
(1ull << IB_USER_VERBS_CMD_POLL_CQ) |
(1ull << IB_USER_VERBS_CMD_REQ_NOTIFY_CQ) |
- (1ull << IB_USER_VERBS_CMD_CREATE_QP) |
- (1ull << IB_USER_VERBS_CMD_QUERY_QP) |
- (1ull << IB_USER_VERBS_CMD_MODIFY_QP) |
- (1ull << IB_USER_VERBS_CMD_DESTROY_QP) |
(1ull << IB_USER_VERBS_CMD_POST_SEND) |
(1ull << IB_USER_VERBS_CMD_POST_RECV) |
- (1ull << IB_USER_VERBS_CMD_ATTACH_MCAST) |
- (1ull << IB_USER_VERBS_CMD_DETACH_MCAST) |
- (1ull << IB_USER_VERBS_CMD_CREATE_SRQ) |
- (1ull << IB_USER_VERBS_CMD_MODIFY_SRQ) |
- (1ull << IB_USER_VERBS_CMD_QUERY_SRQ) |
- (1ull << IB_USER_VERBS_CMD_DESTROY_SRQ) |
(1ull << IB_USER_VERBS_CMD_POST_SRQ_RECV);
rdi->ibdev.node_type = RDMA_NODE_IB_CA;
if (!rdi->ibdev.num_comp_vectors)
diff --git a/drivers/infiniband/sw/rxe/Kconfig b/drivers/infiniband/sw/rxe/Kconfig
index 8810bfa68049..452149066792 100644
--- a/drivers/infiniband/sw/rxe/Kconfig
+++ b/drivers/infiniband/sw/rxe/Kconfig
@@ -5,7 +5,6 @@ config RDMA_RXE
depends on INFINIBAND_VIRT_DMA
select NET_UDP_TUNNEL
select CRYPTO_CRC32
- select DMA_VIRT_OPS
help
This driver implements the InfiniBand RDMA transport over
the Linux network stack. It enables a system with a
diff --git a/drivers/infiniband/sw/rxe/rxe_cq.c b/drivers/infiniband/sw/rxe/rxe_cq.c
index 43394c3f29d4..b315ebf041ac 100644
--- a/drivers/infiniband/sw/rxe/rxe_cq.c
+++ b/drivers/infiniband/sw/rxe/rxe_cq.c
@@ -123,11 +123,6 @@ int rxe_cq_post(struct rxe_cq *cq, struct rxe_cqe *cqe, int solicited)
memcpy(producer_addr(cq->queue), cqe, sizeof(*cqe));
- /* make sure all changes to the CQ are written before we update the
- * producer pointer
- */
- smp_wmb();
-
advance_producer(cq->queue);
spin_unlock_irqrestore(&cq->cq_lock, flags);
diff --git a/drivers/infiniband/sw/rxe/rxe_mr.c b/drivers/infiniband/sw/rxe/rxe_mr.c
index d2ce852447c1..6e8c41567ba0 100644
--- a/drivers/infiniband/sw/rxe/rxe_mr.c
+++ b/drivers/infiniband/sw/rxe/rxe_mr.c
@@ -31,7 +31,6 @@ int mem_check_range(struct rxe_mem *mem, u64 iova, size_t length)
return 0;
case RXE_MEM_TYPE_MR:
- case RXE_MEM_TYPE_FMR:
if (iova < mem->iova ||
length > mem->length ||
iova > mem->iova + mem->length - length)
diff --git a/drivers/infiniband/sw/rxe/rxe_net.c b/drivers/infiniband/sw/rxe/rxe_net.c
index 34bef7d8e6b4..c4b06ced30a7 100644
--- a/drivers/infiniband/sw/rxe/rxe_net.c
+++ b/drivers/infiniband/sw/rxe/rxe_net.c
@@ -8,7 +8,6 @@
#include <linux/if_arp.h>
#include <linux/netdevice.h>
#include <linux/if.h>
-#include <linux/if_vlan.h>
#include <net/udp_tunnel.h>
#include <net/sch_generic.h>
#include <linux/netfilter.h>
@@ -20,18 +19,6 @@
static struct rxe_recv_sockets recv_sockets;
-struct device *rxe_dma_device(struct rxe_dev *rxe)
-{
- struct net_device *ndev;
-
- ndev = rxe->ndev;
-
- if (is_vlan_dev(ndev))
- ndev = vlan_dev_real_dev(ndev);
-
- return ndev->dev.parent;
-}
-
int rxe_mcast_add(struct rxe_dev *rxe, union ib_gid *mgid)
{
int err;
@@ -166,14 +153,9 @@ static int rxe_udp_encap_recv(struct sock *sk, struct sk_buff *skb)
{
struct udphdr *udph;
struct net_device *ndev = skb->dev;
- struct net_device *rdev = ndev;
struct rxe_dev *rxe = rxe_get_dev_from_net(ndev);
struct rxe_pkt_info *pkt = SKB_TO_PKT(skb);
- if (!rxe && is_vlan_dev(rdev)) {
- rdev = vlan_dev_real_dev(ndev);
- rxe = rxe_get_dev_from_net(rdev);
- }
if (!rxe)
goto drop;
diff --git a/drivers/infiniband/sw/rxe/rxe_queue.h b/drivers/infiniband/sw/rxe/rxe_queue.h
index 7d434a6837a7..2902ca7b288c 100644
--- a/drivers/infiniband/sw/rxe/rxe_queue.h
+++ b/drivers/infiniband/sw/rxe/rxe_queue.h
@@ -7,9 +7,11 @@
#ifndef RXE_QUEUE_H
#define RXE_QUEUE_H
+/* for definition of shared struct rxe_queue_buf */
+#include <uapi/rdma/rdma_user_rxe.h>
+
/* implements a simple circular buffer that can optionally be
* shared between user space and the kernel and can be resized
-
* the requested element size is rounded up to a power of 2
* and the number of elements in the buffer is also rounded
* up to a power of 2. Since the queue is empty when the
@@ -17,28 +19,6 @@
* of the queue is one less than the number of element slots
*/
-/* this data structure is shared between user space and kernel
- * space for those cases where the queue is shared. It contains
- * the producer and consumer indices. Is also contains a copy
- * of the queue size parameters for user space to use but the
- * kernel must use the parameters in the rxe_queue struct
- * this MUST MATCH the corresponding librxe struct
- * for performance reasons arrange to have producer and consumer
- * pointers in separate cache lines
- * the kernel should always mask the indices to avoid accessing
- * memory outside of the data area
- */
-struct rxe_queue_buf {
- __u32 log2_elem_size;
- __u32 index_mask;
- __u32 pad_1[30];
- __u32 producer_index;
- __u32 pad_2[31];
- __u32 consumer_index;
- __u32 pad_3[31];
- __u8 data[];
-};
-
struct rxe_queue {
struct rxe_dev *rxe;
struct rxe_queue_buf *buf;
@@ -46,7 +26,7 @@ struct rxe_queue {
size_t buf_size;
size_t elem_size;
unsigned int log2_elem_size;
- unsigned int index_mask;
+ u32 index_mask;
};
int do_mmap_info(struct rxe_dev *rxe, struct mminfo __user *outbuf,
@@ -76,26 +56,56 @@ static inline int next_index(struct rxe_queue *q, int index)
static inline int queue_empty(struct rxe_queue *q)
{
- return ((q->buf->producer_index - q->buf->consumer_index)
- & q->index_mask) == 0;
+ u32 prod;
+ u32 cons;
+
+ /* make sure all changes to queue complete before
+ * testing queue empty
+ */
+ prod = smp_load_acquire(&q->buf->producer_index);
+ /* same */
+ cons = smp_load_acquire(&q->buf->consumer_index);
+
+ return ((prod - cons) & q->index_mask) == 0;
}
static inline int queue_full(struct rxe_queue *q)
{
- return ((q->buf->producer_index + 1 - q->buf->consumer_index)
- & q->index_mask) == 0;
+ u32 prod;
+ u32 cons;
+
+ /* make sure all changes to queue complete before
+ * testing queue full
+ */
+ prod = smp_load_acquire(&q->buf->producer_index);
+ /* same */
+ cons = smp_load_acquire(&q->buf->consumer_index);
+
+ return ((prod + 1 - cons) & q->index_mask) == 0;
}
static inline void advance_producer(struct rxe_queue *q)
{
- q->buf->producer_index = (q->buf->producer_index + 1)
- & q->index_mask;
+ u32 prod;
+
+ prod = (q->buf->producer_index + 1) & q->index_mask;
+
+ /* make sure all changes to queue complete before
+ * changing producer index
+ */
+ smp_store_release(&q->buf->producer_index, prod);
}
static inline void advance_consumer(struct rxe_queue *q)
{
- q->buf->consumer_index = (q->buf->consumer_index + 1)
- & q->index_mask;
+ u32 cons;
+
+ cons = (q->buf->consumer_index + 1) & q->index_mask;
+
+ /* make sure all changes to queue complete before
+ * changing consumer index
+ */
+ smp_store_release(&q->buf->consumer_index, cons);
}
static inline void *producer_addr(struct rxe_queue *q)
@@ -112,12 +122,28 @@ static inline void *consumer_addr(struct rxe_queue *q)
static inline unsigned int producer_index(struct rxe_queue *q)
{
- return q->buf->producer_index;
+ u32 index;
+
+ /* make sure all changes to queue
+ * complete before getting producer index
+ */
+ index = smp_load_acquire(&q->buf->producer_index);
+ index &= q->index_mask;
+
+ return index;
}
static inline unsigned int consumer_index(struct rxe_queue *q)
{
- return q->buf->consumer_index;
+ u32 index;
+
+ /* make sure all changes to queue
+ * complete before getting consumer index
+ */
+ index = smp_load_acquire(&q->buf->consumer_index);
+ index &= q->index_mask;
+
+ return index;
}
static inline void *addr_from_index(struct rxe_queue *q, unsigned int index)
diff --git a/drivers/infiniband/sw/rxe/rxe_req.c b/drivers/infiniband/sw/rxe/rxe_req.c
index af3923bf0a36..d4917646641a 100644
--- a/drivers/infiniband/sw/rxe/rxe_req.c
+++ b/drivers/infiniband/sw/rxe/rxe_req.c
@@ -634,7 +634,8 @@ next_wqe:
}
if (unlikely(qp_type(qp) == IB_QPT_RC &&
- qp->req.psn > (qp->comp.psn + RXE_MAX_UNACKED_PSNS))) {
+ psn_compare(qp->req.psn, (qp->comp.psn +
+ RXE_MAX_UNACKED_PSNS)) > 0)) {
qp->req.wait_psn = 1;
goto exit;
}
diff --git a/drivers/infiniband/sw/rxe/rxe_resp.c b/drivers/infiniband/sw/rxe/rxe_resp.c
index c7e3b6a4af38..5a098083a9d2 100644
--- a/drivers/infiniband/sw/rxe/rxe_resp.c
+++ b/drivers/infiniband/sw/rxe/rxe_resp.c
@@ -872,11 +872,6 @@ static enum resp_states do_complete(struct rxe_qp *qp,
else
wc->network_hdr_type = RDMA_NETWORK_IPV6;
- if (is_vlan_dev(skb->dev)) {
- wc->wc_flags |= IB_WC_WITH_VLAN;
- wc->vlan_id = vlan_dev_vlan_id(skb->dev);
- }
-
if (pkt->mask & RXE_IMMDT_MASK) {
wc->wc_flags |= IB_WC_WITH_IMM;
wc->ex.imm_data = immdt_imm(pkt);
diff --git a/drivers/infiniband/sw/rxe/rxe_verbs.c b/drivers/infiniband/sw/rxe/rxe_verbs.c
index f9c832e82552..a031514e2f41 100644
--- a/drivers/infiniband/sw/rxe/rxe_verbs.c
+++ b/drivers/infiniband/sw/rxe/rxe_verbs.c
@@ -244,11 +244,6 @@ static int post_one_recv(struct rxe_rq *rq, const struct ib_recv_wr *ibwr)
recv_wqe->dma.cur_sge = 0;
recv_wqe->dma.sge_offset = 0;
- /* make sure all changes to the work queue are written before we
- * update the producer pointer
- */
- smp_wmb();
-
advance_producer(rq->queue);
return 0;
@@ -265,6 +260,9 @@ static int rxe_create_srq(struct ib_srq *ibsrq, struct ib_srq_init_attr *init,
struct rxe_srq *srq = to_rsrq(ibsrq);
struct rxe_create_srq_resp __user *uresp = NULL;
+ if (init->srq_type != IB_SRQT_BASIC)
+ return -EOPNOTSUPP;
+
if (udata) {
if (udata->outlen < sizeof(*uresp))
return -EINVAL;
@@ -392,6 +390,9 @@ static struct ib_qp *rxe_create_qp(struct ib_pd *ibpd,
uresp = udata->outbuf;
}
+ if (init->create_flags)
+ return ERR_PTR(-EOPNOTSUPP);
+
err = rxe_qp_chk_init(rxe, init);
if (err)
goto err1;
@@ -433,6 +434,9 @@ static int rxe_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
struct rxe_dev *rxe = to_rdev(ibqp->device);
struct rxe_qp *qp = to_rqp(ibqp);
+ if (mask & ~IB_QP_ATTR_STANDARD_BITS)
+ return -EOPNOTSUPP;
+
err = rxe_qp_chk_attr(rxe, qp, attr, mask);
if (err)
goto err1;
@@ -624,12 +628,6 @@ static int post_one_send(struct rxe_qp *qp, const struct ib_send_wr *ibwr,
if (unlikely(err))
goto err1;
- /*
- * make sure all changes to the work queue are
- * written before we update the producer pointer
- */
- smp_wmb();
-
advance_producer(sq->queue);
spin_unlock_irqrestore(&qp->sq.sq_lock, flags);
@@ -765,7 +763,7 @@ static int rxe_create_cq(struct ib_cq *ibcq, const struct ib_cq_init_attr *attr,
}
if (attr->flags)
- return -EINVAL;
+ return -EOPNOTSUPP;
err = rxe_cq_chk_attr(rxe, NULL, attr->cqe, attr->comp_vector);
if (err)
@@ -1033,7 +1031,7 @@ static ssize_t parent_show(struct device *device,
struct rxe_dev *rxe =
rdma_device_to_drv_device(device, struct rxe_dev, ib_dev);
- return scnprintf(buf, PAGE_SIZE, "%s\n", rxe_parent_name(rxe, 1));
+ return sysfs_emit(buf, "%s\n", rxe_parent_name(rxe, 1));
}
static DEVICE_ATTR_RO(parent);
@@ -1070,6 +1068,7 @@ static const struct ib_device_ops rxe_dev_ops = {
.create_cq = rxe_create_cq,
.create_qp = rxe_create_qp,
.create_srq = rxe_create_srq,
+ .create_user_ah = rxe_create_ah,
.dealloc_driver = rxe_dealloc,
.dealloc_pd = rxe_dealloc_pd,
.dealloc_ucontext = rxe_dealloc_ucontext,
@@ -1118,56 +1117,18 @@ int rxe_register_device(struct rxe_dev *rxe, const char *ibdev_name)
int err;
struct ib_device *dev = &rxe->ib_dev;
struct crypto_shash *tfm;
- u64 dma_mask;
strlcpy(dev->node_desc, "rxe", sizeof(dev->node_desc));
dev->node_type = RDMA_NODE_IB_CA;
dev->phys_port_cnt = 1;
dev->num_comp_vectors = num_possible_cpus();
- dev->dev.parent = rxe_dma_device(rxe);
dev->local_dma_lkey = 0;
addrconf_addr_eui48((unsigned char *)&dev->node_guid,
rxe->ndev->dev_addr);
- dev->dev.dma_parms = &rxe->dma_parms;
- dma_set_max_seg_size(&dev->dev, UINT_MAX);
- dma_mask = IS_ENABLED(CONFIG_64BIT) ? DMA_BIT_MASK(64) : DMA_BIT_MASK(32);
- err = dma_coerce_mask_and_coherent(&dev->dev, dma_mask);
- if (err)
- return err;
- dev->uverbs_cmd_mask = BIT_ULL(IB_USER_VERBS_CMD_GET_CONTEXT)
- | BIT_ULL(IB_USER_VERBS_CMD_CREATE_COMP_CHANNEL)
- | BIT_ULL(IB_USER_VERBS_CMD_QUERY_DEVICE)
- | BIT_ULL(IB_USER_VERBS_CMD_QUERY_PORT)
- | BIT_ULL(IB_USER_VERBS_CMD_ALLOC_PD)
- | BIT_ULL(IB_USER_VERBS_CMD_DEALLOC_PD)
- | BIT_ULL(IB_USER_VERBS_CMD_CREATE_SRQ)
- | BIT_ULL(IB_USER_VERBS_CMD_MODIFY_SRQ)
- | BIT_ULL(IB_USER_VERBS_CMD_QUERY_SRQ)
- | BIT_ULL(IB_USER_VERBS_CMD_DESTROY_SRQ)
- | BIT_ULL(IB_USER_VERBS_CMD_POST_SRQ_RECV)
- | BIT_ULL(IB_USER_VERBS_CMD_CREATE_QP)
- | BIT_ULL(IB_USER_VERBS_CMD_MODIFY_QP)
- | BIT_ULL(IB_USER_VERBS_CMD_QUERY_QP)
- | BIT_ULL(IB_USER_VERBS_CMD_DESTROY_QP)
- | BIT_ULL(IB_USER_VERBS_CMD_POST_SEND)
- | BIT_ULL(IB_USER_VERBS_CMD_POST_RECV)
- | BIT_ULL(IB_USER_VERBS_CMD_CREATE_CQ)
- | BIT_ULL(IB_USER_VERBS_CMD_RESIZE_CQ)
- | BIT_ULL(IB_USER_VERBS_CMD_DESTROY_CQ)
- | BIT_ULL(IB_USER_VERBS_CMD_POLL_CQ)
- | BIT_ULL(IB_USER_VERBS_CMD_PEEK_CQ)
- | BIT_ULL(IB_USER_VERBS_CMD_REQ_NOTIFY_CQ)
- | BIT_ULL(IB_USER_VERBS_CMD_REG_MR)
- | BIT_ULL(IB_USER_VERBS_CMD_DEREG_MR)
- | BIT_ULL(IB_USER_VERBS_CMD_CREATE_AH)
- | BIT_ULL(IB_USER_VERBS_CMD_MODIFY_AH)
- | BIT_ULL(IB_USER_VERBS_CMD_QUERY_AH)
- | BIT_ULL(IB_USER_VERBS_CMD_DESTROY_AH)
- | BIT_ULL(IB_USER_VERBS_CMD_ATTACH_MCAST)
- | BIT_ULL(IB_USER_VERBS_CMD_DETACH_MCAST)
- ;
+ 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);
diff --git a/drivers/infiniband/sw/rxe/rxe_verbs.h b/drivers/infiniband/sw/rxe/rxe_verbs.h
index 3414b341b709..79e0a5a878da 100644
--- a/drivers/infiniband/sw/rxe/rxe_verbs.h
+++ b/drivers/infiniband/sw/rxe/rxe_verbs.h
@@ -273,7 +273,6 @@ enum rxe_mem_type {
RXE_MEM_TYPE_NONE,
RXE_MEM_TYPE_DMA,
RXE_MEM_TYPE_MR,
- RXE_MEM_TYPE_FMR,
RXE_MEM_TYPE_MW,
};
@@ -352,7 +351,6 @@ struct rxe_port {
struct rxe_dev {
struct ib_device ib_dev;
struct ib_device_attr attr;
- struct device_dma_parameters dma_parms;
int max_ucontext;
int max_inline_data;
struct mutex usdev_lock;
diff --git a/drivers/infiniband/sw/siw/Kconfig b/drivers/infiniband/sw/siw/Kconfig
index 3450ba5081df..1b5105cbabae 100644
--- a/drivers/infiniband/sw/siw/Kconfig
+++ b/drivers/infiniband/sw/siw/Kconfig
@@ -2,7 +2,6 @@ config RDMA_SIW
tristate "Software RDMA over TCP/IP (iWARP) driver"
depends on INET && INFINIBAND && LIBCRC32C
depends on INFINIBAND_VIRT_DMA
- select DMA_VIRT_OPS
help
This driver implements the iWARP RDMA transport over
the Linux TCP/IP network stack. It enables a system with a
diff --git a/drivers/infiniband/sw/siw/siw.h b/drivers/infiniband/sw/siw/siw.h
index e9753831ac3f..adda78996219 100644
--- a/drivers/infiniband/sw/siw/siw.h
+++ b/drivers/infiniband/sw/siw/siw.h
@@ -69,7 +69,6 @@ struct siw_pd {
struct siw_device {
struct ib_device base_dev;
- struct device_dma_parameters dma_parms;
struct net_device *netdev;
struct siw_dev_cap attrs;
diff --git a/drivers/infiniband/sw/siw/siw_cm.c b/drivers/infiniband/sw/siw/siw_cm.c
index 66764f7ef072..1f9e15b71504 100644
--- a/drivers/infiniband/sw/siw/siw_cm.c
+++ b/drivers/infiniband/sw/siw/siw_cm.c
@@ -1047,7 +1047,7 @@ static void siw_cm_work_handler(struct work_struct *w)
cep->state);
}
}
- if (rv && rv != EAGAIN)
+ if (rv && rv != -EAGAIN)
release_cep = 1;
break;
diff --git a/drivers/infiniband/sw/siw/siw_main.c b/drivers/infiniband/sw/siw/siw_main.c
index 181e06c1c43d..ee95cf29179d 100644
--- a/drivers/infiniband/sw/siw/siw_main.c
+++ b/drivers/infiniband/sw/siw/siw_main.c
@@ -305,25 +305,8 @@ static struct siw_device *siw_device_create(struct net_device *netdev)
{
struct siw_device *sdev = NULL;
struct ib_device *base_dev;
- struct device *parent = netdev->dev.parent;
- u64 dma_mask;
int rv;
- if (!parent) {
- /*
- * The loopback device has no parent device,
- * so it appears as a top-level device. To support
- * loopback device connectivity, take this device
- * as the parent device. Skip all other devices
- * w/o parent device.
- */
- if (netdev->type != ARPHRD_LOOPBACK) {
- pr_warn("siw: device %s error: no parent device\n",
- netdev->name);
- return NULL;
- }
- parent = &netdev->dev;
- }
sdev = ib_alloc_device(siw_device, base_dev);
if (!sdev)
return NULL;
@@ -347,30 +330,8 @@ static struct siw_device *siw_device_create(struct net_device *netdev)
addrconf_addr_eui48((unsigned char *)&base_dev->node_guid,
addr);
}
- base_dev->uverbs_cmd_mask =
- (1ull << IB_USER_VERBS_CMD_QUERY_DEVICE) |
- (1ull << IB_USER_VERBS_CMD_QUERY_PORT) |
- (1ull << IB_USER_VERBS_CMD_GET_CONTEXT) |
- (1ull << IB_USER_VERBS_CMD_ALLOC_PD) |
- (1ull << IB_USER_VERBS_CMD_DEALLOC_PD) |
- (1ull << IB_USER_VERBS_CMD_REG_MR) |
- (1ull << IB_USER_VERBS_CMD_DEREG_MR) |
- (1ull << IB_USER_VERBS_CMD_CREATE_COMP_CHANNEL) |
- (1ull << IB_USER_VERBS_CMD_CREATE_CQ) |
- (1ull << IB_USER_VERBS_CMD_POLL_CQ) |
- (1ull << IB_USER_VERBS_CMD_REQ_NOTIFY_CQ) |
- (1ull << IB_USER_VERBS_CMD_DESTROY_CQ) |
- (1ull << IB_USER_VERBS_CMD_CREATE_QP) |
- (1ull << IB_USER_VERBS_CMD_QUERY_QP) |
- (1ull << IB_USER_VERBS_CMD_MODIFY_QP) |
- (1ull << IB_USER_VERBS_CMD_DESTROY_QP) |
- (1ull << IB_USER_VERBS_CMD_POST_SEND) |
- (1ull << IB_USER_VERBS_CMD_POST_RECV) |
- (1ull << IB_USER_VERBS_CMD_CREATE_SRQ) |
- (1ull << IB_USER_VERBS_CMD_POST_SRQ_RECV) |
- (1ull << IB_USER_VERBS_CMD_MODIFY_SRQ) |
- (1ull << IB_USER_VERBS_CMD_QUERY_SRQ) |
- (1ull << IB_USER_VERBS_CMD_DESTROY_SRQ);
+
+ base_dev->uverbs_cmd_mask |= BIT_ULL(IB_USER_VERBS_CMD_POST_SEND);
base_dev->node_type = RDMA_NODE_RNIC;
memcpy(base_dev->node_desc, SIW_NODE_DESC_COMMON,
@@ -382,13 +343,6 @@ static struct siw_device *siw_device_create(struct net_device *netdev)
* per physical port.
*/
base_dev->phys_port_cnt = 1;
- base_dev->dev.parent = parent;
- base_dev->dev.dma_parms = &sdev->dma_parms;
- dma_set_max_seg_size(&base_dev->dev, UINT_MAX);
- dma_mask = IS_ENABLED(CONFIG_64BIT) ? DMA_BIT_MASK(64) : DMA_BIT_MASK(32);
- if (dma_coerce_mask_and_coherent(&base_dev->dev, dma_mask))
- goto error;
-
base_dev->num_comp_vectors = num_possible_cpus();
xa_init_flags(&sdev->qp_xa, XA_FLAGS_ALLOC1);
@@ -430,7 +384,7 @@ static struct siw_device *siw_device_create(struct net_device *netdev)
atomic_set(&sdev->num_mr, 0);
atomic_set(&sdev->num_pd, 0);
- sdev->numa_node = dev_to_node(parent);
+ sdev->numa_node = dev_to_node(&netdev->dev);
spin_lock_init(&sdev->lock);
return sdev;
diff --git a/drivers/infiniband/sw/siw/siw_verbs.c b/drivers/infiniband/sw/siw/siw_verbs.c
index 7cf3242ffb41..68fd053fc774 100644
--- a/drivers/infiniband/sw/siw/siw_verbs.c
+++ b/drivers/infiniband/sw/siw/siw_verbs.c
@@ -307,6 +307,9 @@ struct ib_qp *siw_create_qp(struct ib_pd *pd,
siw_dbg(base_dev, "create new QP\n");
+ if (attrs->create_flags)
+ return ERR_PTR(-EOPNOTSUPP);
+
if (atomic_inc_return(&sdev->num_qp) > SIW_MAX_QP) {
siw_dbg(base_dev, "too many QP's\n");
rv = -ENOMEM;
@@ -544,6 +547,9 @@ int siw_verbs_modify_qp(struct ib_qp *base_qp, struct ib_qp_attr *attr,
if (!attr_mask)
return 0;
+ if (attr_mask & ~IB_QP_ATTR_STANDARD_BITS)
+ return -EOPNOTSUPP;
+
memset(&new_attrs, 0, sizeof(new_attrs));
if (attr_mask & IB_QP_ACCESS_FLAGS) {
@@ -1094,6 +1100,9 @@ int siw_create_cq(struct ib_cq *base_cq, const struct ib_cq_init_attr *attr,
struct siw_cq *cq = to_siw_cq(base_cq);
int rv, size = attr->cqe;
+ if (attr->flags)
+ return -EOPNOTSUPP;
+
if (atomic_inc_return(&sdev->num_cq) > SIW_MAX_CQ) {
siw_dbg(base_cq->device, "too many CQ's\n");
rv = -ENOMEM;
@@ -1555,6 +1564,9 @@ int siw_create_srq(struct ib_srq *base_srq,
base_ucontext);
int rv;
+ if (init_attrs->srq_type != IB_SRQT_BASIC)
+ return -EOPNOTSUPP;
+
if (atomic_inc_return(&sdev->num_srq) > SIW_MAX_SRQ) {
siw_dbg_pd(base_srq->pd, "too many SRQ's\n");
rv = -ENOMEM;
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.