}
EXPORT_SYMBOL(ib_alloc_mr);
-struct ib_fast_reg_page_list *ib_alloc_fast_reg_page_list(struct ib_device *device,
- int max_page_list_len)
-{
- struct ib_fast_reg_page_list *page_list;
-
- if (!device->alloc_fast_reg_page_list)
- return ERR_PTR(-ENOSYS);
-
- page_list = device->alloc_fast_reg_page_list(device, max_page_list_len);
-
- if (!IS_ERR(page_list)) {
- page_list->device = device;
- page_list->max_page_list_len = max_page_list_len;
- }
-
- return page_list;
-}
-EXPORT_SYMBOL(ib_alloc_fast_reg_page_list);
-
-void ib_free_fast_reg_page_list(struct ib_fast_reg_page_list *page_list)
-{
- page_list->device->free_fast_reg_page_list(page_list);
-}
-EXPORT_SYMBOL(ib_free_fast_reg_page_list);
-
/* Memory windows */
struct ib_mw *ib_alloc_mw(struct ib_pd *pd, enum ib_mw_type type)
IB_WC_BIND_MW,
IB_WC_LSO,
IB_WC_LOCAL_INV,
- IB_WC_FAST_REG_MR,
IB_WC_REG_MR,
IB_WC_MASKED_COMP_SWAP,
IB_WC_MASKED_FETCH_ADD,
IB_WR_SEND_WITH_INV,
IB_WR_RDMA_READ_WITH_INV,
IB_WR_LOCAL_INV,
- IB_WR_FAST_REG_MR,
IB_WR_REG_MR,
IB_WR_MASKED_ATOMIC_CMP_AND_SWP,
IB_WR_MASKED_ATOMIC_FETCH_AND_ADD,
u32 lkey;
};
-struct ib_fast_reg_page_list {
- struct ib_device *device;
- u64 *page_list;
- unsigned int max_page_list_len;
-};
-
/**
* struct ib_mw_bind_info - Parameters for a memory window bind operation.
* @mr: A memory region to bind the memory window to.
return container_of(wr, struct ib_ud_wr, wr);
}
-struct ib_fast_reg_wr {
- struct ib_send_wr wr;
- u64 iova_start;
- struct ib_fast_reg_page_list *page_list;
- unsigned int page_shift;
- unsigned int page_list_len;
- u32 length;
- int access_flags;
- u32 rkey;
-};
-
-static inline struct ib_fast_reg_wr *fast_reg_wr(struct ib_send_wr *wr)
-{
- return container_of(wr, struct ib_fast_reg_wr, wr);
-}
-
struct ib_reg_wr {
struct ib_send_wr wr;
struct ib_mr *mr;
int (*map_mr_sg)(struct ib_mr *mr,
struct scatterlist *sg,
int sg_nents);
- struct ib_fast_reg_page_list * (*alloc_fast_reg_page_list)(struct ib_device *device,
- int page_list_len);
- void (*free_fast_reg_page_list)(struct ib_fast_reg_page_list *page_list);
int (*rereg_phys_mr)(struct ib_mr *mr,
int mr_rereg_mask,
struct ib_pd *pd,
u32 max_num_sg);
/**
- * ib_alloc_fast_reg_page_list - Allocates a page list array
- * @device - ib device pointer.
- * @page_list_len - size of the page list array to be allocated.
- *
- * This allocates and returns a struct ib_fast_reg_page_list * and a
- * page_list array that is at least page_list_len in size. The actual
- * size is returned in max_page_list_len. The caller is responsible
- * for initializing the contents of the page_list array before posting
- * a send work request with the IB_WC_FAST_REG_MR opcode.
- *
- * The page_list array entries must be translated using one of the
- * ib_dma_*() functions just like the addresses passed to
- * ib_map_phys_fmr(). Once the ib_post_send() is issued, the struct
- * ib_fast_reg_page_list must not be modified by the caller until the
- * IB_WC_FAST_REG_MR work request completes.
- */
-struct ib_fast_reg_page_list *ib_alloc_fast_reg_page_list(
- struct ib_device *device, int page_list_len);
-
-/**
- * ib_free_fast_reg_page_list - Deallocates a previously allocated
- * page list array.
- * @page_list - struct ib_fast_reg_page_list pointer to be deallocated.
- */
-void ib_free_fast_reg_page_list(struct ib_fast_reg_page_list *page_list);
-
-/**
* ib_update_fast_reg_key - updates the key portion of the fast_reg MR
* R_Key and L_Key.
* @mr - struct ib_mr pointer to be updated.