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RDMA: Handle PD allocations by IB/core

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The PD allocations in IB/core allows us to simplify drivers and their
error flows in their .alloc_pd() paths. The changes in .alloc_pd() go hand
in had with relevant update in .dealloc_pd().

We will use this opportunity and convert .dealloc_pd() to don't fail, as
it was suggested a long time ago, failures are not happening as we have
never seen a WARN_ON print.

Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
This commit is contained in:
Leon Romanovsky
2019-02-03 14:55:51 +02:00
committed by Jason Gunthorpe
parent 30471d4b20
commit 21a428a019
39 changed files with 325 additions and 409 deletions
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9
include/rdma/ib_verbs.h
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@@ -2385,10 +2385,9 @@ struct ib_device_ops {
int (*dealloc_ucontext)(struct ib_ucontext *context);
int (*mmap)(struct ib_ucontext *context, struct vm_area_struct *vma);
void (*disassociate_ucontext)(struct ib_ucontext *ibcontext);
struct ib_pd *(*alloc_pd)(struct ib_device *device,
struct ib_ucontext *context,
struct ib_udata *udata);
int (*dealloc_pd)(struct ib_pd *pd);
int (*alloc_pd)(struct ib_pd *pd, struct ib_ucontext *context,
struct ib_udata *udata);
void (*dealloc_pd)(struct ib_pd *pd);
struct ib_ah *(*create_ah)(struct ib_pd *pd,
struct rdma_ah_attr *ah_attr, u32 flags,
struct ib_udata *udata);
@@ -2530,6 +2529,8 @@ struct ib_device_ops {
*/
int (*fill_res_entry)(struct sk_buff *msg,
struct rdma_restrack_entry *entry);
DECLARE_RDMA_OBJ_SIZE(ib_pd);
};
struct ib_device {