IB_DEVICE_ON_DEMAND_PAGING = (1 << 31),
IB_DEVICE_SG_GAPS_REG = (1ULL << 32),
IB_DEVICE_VIRTUAL_FUNCTION = ((u64)1 << 33),
+ IB_DEVICE_RAW_SCATTER_FCS = ((u64)1 << 34),
};
enum ib_signature_prot_cap {
u32 max_send_sge;
u32 max_recv_sge;
u32 max_inline_data;
+
+ /*
+ * Maximum number of rdma_rw_ctx structures in flight at a time.
+ * ib_create_qp() will calculate the right amount of neededed WRs
+ * and MRs based on this.
+ */
+ u32 max_rdma_ctxs;
};
enum ib_sig_type {
IB_QP_CREATE_NETIF_QP = 1 << 5,
IB_QP_CREATE_SIGNATURE_EN = 1 << 6,
IB_QP_CREATE_USE_GFP_NOIO = 1 << 7,
+ IB_QP_CREATE_SCATTER_FCS = 1 << 8,
/* reserve bits 26-31 for low level drivers' internal use */
IB_QP_CREATE_RESERVED_START = 1 << 26,
IB_QP_CREATE_RESERVED_END = 1 << 31,
enum ib_sig_type sq_sig_type;
enum ib_qp_type qp_type;
enum ib_qp_create_flags create_flags;
- u8 port_num; /* special QP types only */
+
+ /*
+ * Only needed for special QP types, or when using the RW API.
+ */
+ u8 port_num;
};
struct ib_qp_open_attr {
struct ib_cq *recv_cq;
spinlock_t mr_lock;
int mrs_used;
+ struct list_head rdma_mrs;
+ struct list_head sig_mrs;
struct ib_srq *srq;
struct ib_xrcd *xrcd; /* XRC TGT QPs only */
struct list_head xrcd_list;
u64 iova;
u32 length;
unsigned int page_size;
+ bool need_inval;
union {
struct ib_uobject *uobject; /* user */
struct list_head qp_entry; /* FR */
int (*map_mr_sg)(struct ib_mr *mr,
struct scatterlist *sg,
int sg_nents,
- unsigned sg_offset);
+ unsigned int *sg_offset);
struct ib_mw * (*alloc_mw)(struct ib_pd *pd,
enum ib_mw_type type,
struct ib_udata *udata);
const struct sockaddr *addr);
int ib_map_mr_sg(struct ib_mr *mr, struct scatterlist *sg, int sg_nents,
- unsigned int sg_offset, unsigned int page_size);
+ unsigned int *sg_offset, unsigned int page_size);
static inline int
ib_map_mr_sg_zbva(struct ib_mr *mr, struct scatterlist *sg, int sg_nents,
- unsigned int sg_offset, unsigned int page_size)
+ unsigned int *sg_offset, unsigned int page_size)
{
int n;
}
int ib_sg_to_pages(struct ib_mr *mr, struct scatterlist *sgl, int sg_nents,
- unsigned int sg_offset, int (*set_page)(struct ib_mr *, u64));
+ unsigned int *sg_offset, int (*set_page)(struct ib_mr *, u64));
void ib_drain_rq(struct ib_qp *qp);
void ib_drain_sq(struct ib_qp *qp);