diff options
Diffstat (limited to 'drivers/infiniband/sw/rdmavt/mr.h')
| -rw-r--r-- | drivers/infiniband/sw/rdmavt/mr.h | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/drivers/infiniband/sw/rdmavt/mr.h b/drivers/infiniband/sw/rdmavt/mr.h new file mode 100644 index 000000000..d17f1400b --- /dev/null +++ b/drivers/infiniband/sw/rdmavt/mr.h @@ -0,0 +1,36 @@ +/* SPDX-License-Identifier: GPL-2.0 or BSD-3-Clause */ +/* + * Copyright(c) 2016 Intel Corporation. + */ + +#ifndef DEF_RVTMR_H +#define DEF_RVTMR_H + +#include <rdma/rdma_vt.h> + +struct rvt_mr { + struct ib_mr ibmr; + struct ib_umem *umem; + struct rvt_mregion mr; /* must be last */ +}; + +static inline struct rvt_mr *to_imr(struct ib_mr *ibmr) +{ + return container_of(ibmr, struct rvt_mr, ibmr); +} + +int rvt_driver_mr_init(struct rvt_dev_info *rdi); +void rvt_mr_exit(struct rvt_dev_info *rdi); + +/* Mem Regions */ +struct ib_mr *rvt_get_dma_mr(struct ib_pd *pd, int acc); +struct ib_mr *rvt_reg_user_mr(struct ib_pd *pd, u64 start, u64 length, + u64 virt_addr, int mr_access_flags, + struct ib_udata *udata); +int rvt_dereg_mr(struct ib_mr *ibmr, struct ib_udata *udata); +struct ib_mr *rvt_alloc_mr(struct ib_pd *pd, enum ib_mr_type mr_type, + u32 max_num_sg); +int rvt_map_mr_sg(struct ib_mr *ibmr, struct scatterlist *sg, + int sg_nents, unsigned int *sg_offset); + +#endif /* DEF_RVTMR_H */ |