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IB/rdmavt: Add mmap related functions

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The mmap data structure was moved in a previous commit. This patch now
pulls in the related functions.

Reviewed-by: Ira Weiny <[email protected]>
Reviewed-by: Mike Marciniszyn <[email protected]>
Signed-off-by: Dennis Dalessandro <[email protected]>
Signed-off-by: Doug Ledford <[email protected]>
This commit is contained in:
Dennis Dalessandro 2016-01-06 10:04:57 -08:00 • committed by Doug Ledford
commit 822514d75a
4 changed files with 156 additions and 2 deletions
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15
include/rdma/rdma_vt.h
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@ -254,6 +254,12 @@ struct rvt_dev_info {
struct rvt_ibport **ports;
struct rvt_qp_ibdev *qp_dev;
/* memory maps */
struct list_head pending_mmaps;
spinlock_t mmap_offset_lock; /* protect mmap_offset */
u32 mmap_offset;
spinlock_t pending_lock; /* protect pending mmap list */
};
static inline struct rvt_pd *ibpd_to_rvtpd(struct ib_pd *ibpd)
@ -285,4 +291,13 @@ int rvt_rkey_ok(struct rvt_qp *qp, struct rvt_sge *sge,
u32 len, u64 vaddr, u32 rkey, int acc);
int rvt_lkey_ok(struct rvt_lkey_table *rkt, struct rvt_pd *pd,
struct rvt_sge *isge, struct ib_sge *sge, int acc);
int rvt_mmap(struct ib_ucontext *context, struct vm_area_struct *vma);
void rvt_release_mmap_info(struct kref *ref);
struct rvt_mmap_info *rvt_create_mmap_info(struct rvt_dev_info *rdi,
u32 size,
struct ib_ucontext *context,
void *obj);
void rvt_update_mmap_info(struct rvt_dev_info *rdi, struct rvt_mmap_info *ip,
u32 size, void *obj);
#endif /* DEF_RDMA_VT_H */