diff options
Diffstat (limited to 'include/rdma/ib_umem.h')
| -rw-r--r-- | include/rdma/ib_umem.h | 20 |
1 files changed, 15 insertions, 5 deletions
diff --git a/include/rdma/ib_umem.h b/include/rdma/ib_umem.h index 5d3755ec5afa..040d853077c6 100644 --- a/include/rdma/ib_umem.h +++ b/include/rdma/ib_umem.h @@ -36,6 +36,7 @@ #include <linux/list.h> #include <linux/scatterlist.h> #include <linux/workqueue.h> +#include <rdma/ib_verbs.h> struct ib_ucontext; struct ib_umem_odp; @@ -47,12 +48,11 @@ struct ib_umem { unsigned long address; int page_shift; u32 writable : 1; - u32 hugetlb : 1; u32 is_odp : 1; struct work_struct work; struct sg_table sg_head; int nmap; - int npages; + unsigned int sg_nents; }; /* Returns the offset of the umem start relative to the first page. */ @@ -80,20 +80,24 @@ static inline size_t ib_umem_num_pages(struct ib_umem *umem) #ifdef CONFIG_INFINIBAND_USER_MEM -struct ib_umem *ib_umem_get(struct ib_ucontext *context, unsigned long addr, +struct ib_umem *ib_umem_get(struct ib_udata *udata, unsigned long addr, size_t size, int access, int dmasync); void ib_umem_release(struct ib_umem *umem); int ib_umem_page_count(struct ib_umem *umem); int ib_umem_copy_from(void *dst, struct ib_umem *umem, size_t offset, size_t length); +unsigned long ib_umem_find_best_pgsz(struct ib_umem *umem, + unsigned long pgsz_bitmap, + unsigned long virt); #else /* CONFIG_INFINIBAND_USER_MEM */ #include <linux/err.h> -static inline struct ib_umem *ib_umem_get(struct ib_ucontext *context, +static inline struct ib_umem *ib_umem_get(struct ib_udata *udata, unsigned long addr, size_t size, - int access, int dmasync) { + int access, int dmasync) +{ return ERR_PTR(-EINVAL); } static inline void ib_umem_release(struct ib_umem *umem) { } @@ -102,6 +106,12 @@ static inline int ib_umem_copy_from(void *dst, struct ib_umem *umem, size_t offs size_t length) { return -EINVAL; } +static inline int ib_umem_find_best_pgsz(struct ib_umem *umem, + unsigned long pgsz_bitmap, + unsigned long virt) { + return -EINVAL; +} + #endif /* CONFIG_INFINIBAND_USER_MEM */ #endif /* IB_UMEM_H */ |