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IB/core: Add vendor's specific data to alloc mw

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Passing udata to the vendor's driver in order to pass data from the
user-space driver to the kernel-space driver. This data will be
used in downstream patches.

Signed-off-by: Matan Barak <matanb@mellanox.com>
Reviewed-by: Yishai Hadas <yishaih@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Matan Barak 2016-02-29 18:05:29 +02:00 committed by Doug Ledford
parent a606b0f669
commit b2a239df4e
8 changed files with 23 additions and 8 deletions
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8
drivers/infiniband/core/uverbs_cmd.c
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@ -1174,6 +1174,7 @@ ssize_t ib_uverbs_alloc_mw(struct ib_uverbs_file *file,
struct ib_uobject *uobj;
struct ib_pd *pd;
struct ib_mw *mw;
struct ib_udata udata;
int ret;
if (out_len < sizeof(resp))
@ -1195,7 +1196,12 @@ ssize_t ib_uverbs_alloc_mw(struct ib_uverbs_file *file,
goto err_free;
}
mw = pd->device->alloc_mw(pd, cmd.mw_type);
INIT_UDATA(&udata, buf + sizeof(cmd),
(unsigned long)cmd.response + sizeof(resp),
in_len - sizeof(cmd) - sizeof(struct ib_uverbs_cmd_hdr),
out_len - sizeof(resp));
mw = pd->device->alloc_mw(pd, cmd.mw_type, &udata);
if (IS_ERR(mw)) {
ret = PTR_ERR(mw);
goto err_put;

3
drivers/infiniband/hw/cxgb3/iwch_provider.c
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@ -657,7 +657,8 @@ static struct ib_mr *iwch_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
return ERR_PTR(err);
}
static struct ib_mw *iwch_alloc_mw(struct ib_pd *pd, enum ib_mw_type type)
static struct ib_mw *iwch_alloc_mw(struct ib_pd *pd, enum ib_mw_type type,
struct ib_udata *udata)
{
struct iwch_dev *rhp;
struct iwch_pd *php;

3
drivers/infiniband/hw/cxgb4/iw_cxgb4.h
View File

@ -961,7 +961,8 @@ int c4iw_map_mr_sg(struct ib_mr *ibmr,
struct scatterlist *sg,
int sg_nents);
int c4iw_dealloc_mw(struct ib_mw *mw);
struct ib_mw *c4iw_alloc_mw(struct ib_pd *pd, enum ib_mw_type type);
struct ib_mw *c4iw_alloc_mw(struct ib_pd *pd, enum ib_mw_type type,
struct ib_udata *udata);
struct ib_mr *c4iw_reg_user_mr(struct ib_pd *pd, u64 start,
u64 length, u64 virt, int acc,
struct ib_udata *udata);

4
drivers/infiniband/hw/cxgb4/mem.c
View File

@ -34,6 +34,7 @@
#include <linux/moduleparam.h>
#include <rdma/ib_umem.h>
#include <linux/atomic.h>
#include <rdma/ib_user_verbs.h>
#include "iw_cxgb4.h"
@ -552,7 +553,8 @@ struct ib_mr *c4iw_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
return ERR_PTR(err);
}
struct ib_mw *c4iw_alloc_mw(struct ib_pd *pd, enum ib_mw_type type)
struct ib_mw *c4iw_alloc_mw(struct ib_pd *pd, enum ib_mw_type type,
struct ib_udata *udata)
{
struct c4iw_dev *rhp;
struct c4iw_pd *php;

3
drivers/infiniband/hw/mlx4/mlx4_ib.h
View File

@ -711,7 +711,8 @@ struct ib_mr *mlx4_ib_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
u64 virt_addr, int access_flags,
struct ib_udata *udata);
int mlx4_ib_dereg_mr(struct ib_mr *mr);
struct ib_mw *mlx4_ib_alloc_mw(struct ib_pd *pd, enum ib_mw_type type);
struct ib_mw *mlx4_ib_alloc_mw(struct ib_pd *pd, enum ib_mw_type type,
struct ib_udata *udata);
int mlx4_ib_dealloc_mw(struct ib_mw *mw);
struct ib_mr *mlx4_ib_alloc_mr(struct ib_pd *pd,
enum ib_mr_type mr_type,

4
drivers/infiniband/hw/mlx4/mr.c
View File

@ -32,6 +32,7 @@
*/
#include <linux/slab.h>
#include <rdma/ib_user_verbs.h>
#include "mlx4_ib.h"
@ -334,7 +335,8 @@ int mlx4_ib_dereg_mr(struct ib_mr *ibmr)
return 0;
}
struct ib_mw *mlx4_ib_alloc_mw(struct ib_pd *pd, enum ib_mw_type type)
struct ib_mw *mlx4_ib_alloc_mw(struct ib_pd *pd, enum ib_mw_type type,
struct ib_udata *udata)
{
struct mlx4_ib_dev *dev = to_mdev(pd->device);
struct mlx4_ib_mw *mw;

3
drivers/infiniband/hw/nes/nes_verbs.c
View File

@ -56,7 +56,8 @@ static int nes_dereg_mr(struct ib_mr *ib_mr);
/**
* nes_alloc_mw
*/
static struct ib_mw *nes_alloc_mw(struct ib_pd *ibpd, enum ib_mw_type type)
static struct ib_mw *nes_alloc_mw(struct ib_pd *ibpd, enum ib_mw_type type,
struct ib_udata *udata)
{
struct nes_pd *nespd = to_nespd(ibpd);
struct nes_vnic *nesvnic = to_nesvnic(ibpd->device);

3
include/rdma/ib_verbs.h
View File

@ -1808,7 +1808,8 @@ struct ib_device {
struct scatterlist *sg,
int sg_nents);
struct ib_mw * (*alloc_mw)(struct ib_pd *pd,
enum ib_mw_type type);
enum ib_mw_type type,
struct ib_udata *udata);
int (*dealloc_mw)(struct ib_mw *mw);
struct ib_fmr * (*alloc_fmr)(struct ib_pd *pd,
int mr_access_flags,