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RDMA: Handle ucontext allocations by IB/core

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Following the PD conversion patch, do the same for ucontext allocations.

Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
This commit is contained in:
Leon Romanovsky
2019-02-12 20:39:16 +02:00
committed by Jason Gunthorpe
parent afc1990e08
commit a2a074ef39
31 changed files with 198 additions and 340 deletions
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1
drivers/infiniband/sw/rxe/rxe_pool.c
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@@ -42,6 +42,7 @@ struct rxe_type_info rxe_type_info[RXE_NUM_TYPES] = {
[RXE_TYPE_UC] = {
.name = "rxe-uc",
.size = sizeof(struct rxe_ucontext),
.flags = RXE_POOL_NO_ALLOC,
},
[RXE_TYPE_PD] = {
.name = "rxe-pd",

14
drivers/infiniband/sw/rxe/rxe_verbs.c
View File

@@ -142,22 +142,19 @@ static enum rdma_link_layer rxe_get_link_layer(struct ib_device *dev,
return rxe_link_layer(rxe, port_num);
}
static struct ib_ucontext *rxe_alloc_ucontext(struct ib_device *dev,
struct ib_udata *udata)
static int rxe_alloc_ucontext(struct ib_ucontext *uctx, struct ib_udata *udata)
{
struct rxe_dev *rxe = to_rdev(dev);
struct rxe_ucontext *uc;
struct rxe_dev *rxe = to_rdev(uctx->device);
struct rxe_ucontext *uc = to_ruc(uctx);
uc = rxe_alloc(&rxe->uc_pool);
return uc ? &uc->ibuc : ERR_PTR(-ENOMEM);
return rxe_add_to_pool(&rxe->uc_pool, &uc->pelem);
}
static int rxe_dealloc_ucontext(struct ib_ucontext *ibuc)
static void rxe_dealloc_ucontext(struct ib_ucontext *ibuc)
{
struct rxe_ucontext *uc = to_ruc(ibuc);
rxe_drop_ref(uc);
return 0;
}
static int rxe_port_immutable(struct ib_device *dev, u8 port_num,
@@ -1180,6 +1177,7 @@ static const struct ib_device_ops rxe_dev_ops = {
.req_notify_cq = rxe_req_notify_cq,
.resize_cq = rxe_resize_cq,
INIT_RDMA_OBJ_SIZE(ib_pd, rxe_pd, ibpd),
INIT_RDMA_OBJ_SIZE(ib_ucontext, rxe_ucontext, ibuc),
};
int rxe_register_device(struct rxe_dev *rxe, const char *ibdev_name)

2
drivers/infiniband/sw/rxe/rxe_verbs.h
View File

@@ -61,8 +61,8 @@ static inline int psn_compare(u32 psn_a, u32 psn_b)
}
struct rxe_ucontext {
struct ib_ucontext ibuc;
struct rxe_pool_entry pelem;
struct ib_ucontext ibuc;
};
struct rxe_pd {