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authorMax Gurtovoy <maxg@mellanox.com>2020-05-28 16:45:45 -0300
committerJason Gunthorpe <jgg@mellanox.com>2020-06-02 20:32:53 -0300
commit07549ee21ce5247143ffb069bf838025d86b908c (patch)
tree65f94e8b1862722f59e6adebe256af5de2e2d25e /net/rds/ib_mr.h
parentf273ad4f8d90bb87d2259fe37caee82e9aa7906c (diff)
RDMA/rds: Remove FMR support for memory registration
Use FRWR method for memory registration by default and remove the ancient and unsafe FMR method. Link: https://lore.kernel.org/r/3-v3-f58e6669d5d3+2cf-fmr_removal_jgg@mellanox.com Signed-off-by: Max Gurtovoy <maxg@mellanox.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat (limited to 'net/rds/ib_mr.h')
-rw-r--r--net/rds/ib_mr.h14
1 files changed, 1 insertions, 13 deletions
diff --git a/net/rds/ib_mr.h b/net/rds/ib_mr.h
index 0c8252d7fe2b..ea5e9aee4959 100644
--- a/net/rds/ib_mr.h
+++ b/net/rds/ib_mr.h
@@ -43,10 +43,6 @@
#define RDS_MR_8K_SCALE (256 / (RDS_MR_8K_MSG_SIZE + 1))
#define RDS_MR_8K_POOL_SIZE (RDS_MR_8K_SCALE * (8192 / 2))
-struct rds_ib_fmr {
- struct ib_fmr *fmr;
-};
-
enum rds_ib_fr_state {
FRMR_IS_FREE, /* mr invalidated & ready for use */
FRMR_IS_INUSE, /* mr is in use or used & can be invalidated */
@@ -84,7 +80,6 @@ struct rds_ib_mr {
u8 odp:1;
union {
- struct rds_ib_fmr fmr;
struct rds_ib_frmr frmr;
struct ib_mr *mr;
} u;
@@ -109,8 +104,7 @@ struct rds_ib_mr_pool {
unsigned long max_items;
unsigned long max_items_soft;
unsigned long max_free_pinned;
- struct ib_fmr_attr fmr_attr;
- bool use_fastreg;
+ unsigned int max_pages;
};
extern struct workqueue_struct *rds_ib_mr_wq;
@@ -136,15 +130,9 @@ u32 rds_ib_get_lkey(void *trans_private);
void __rds_ib_teardown_mr(struct rds_ib_mr *);
void rds_ib_teardown_mr(struct rds_ib_mr *);
-struct rds_ib_mr *rds_ib_alloc_fmr(struct rds_ib_device *, int);
struct rds_ib_mr *rds_ib_reuse_mr(struct rds_ib_mr_pool *);
int rds_ib_flush_mr_pool(struct rds_ib_mr_pool *, int, struct rds_ib_mr **);
-struct rds_ib_mr *rds_ib_reg_fmr(struct rds_ib_device *, struct scatterlist *,
- unsigned long, u32 *);
struct rds_ib_mr *rds_ib_try_reuse_ibmr(struct rds_ib_mr_pool *);
-void rds_ib_unreg_fmr(struct list_head *, unsigned int *,
- unsigned long *, unsigned int);
-void rds_ib_free_fmr_list(struct rds_ib_mr *);
struct rds_ib_mr *rds_ib_reg_frmr(struct rds_ib_device *rds_ibdev,
struct rds_ib_connection *ic,
struct scatterlist *sg,