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https://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
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a272019a46
Extend UVERBS_METHOD_REG_MR to get DMAH and pass it to all drivers. It will be used in mlx5 driver as part of the next patch from the series. Signed-off-by: Yishai Hadas <yishaih@nvidia.com> Reviewed-by: Edward Srouji <edwards@nvidia.com> Link: https://patch.msgid.link/2ae1e628c0675db81f092cc00d3ad6fbf6139405.1752752567.git.leon@kernel.org Signed-off-by: Leon Romanovsky <leon@kernel.org>
38 lines
1.0 KiB
C
38 lines
1.0 KiB
C
/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
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/*
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* Copyright(c) 2016 Intel Corporation.
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*/
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#ifndef DEF_RVTMR_H
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#define DEF_RVTMR_H
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#include <rdma/rdma_vt.h>
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struct rvt_mr {
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struct ib_mr ibmr;
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struct ib_umem *umem;
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struct rvt_mregion mr; /* must be last */
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};
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static inline struct rvt_mr *to_imr(struct ib_mr *ibmr)
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{
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return container_of(ibmr, struct rvt_mr, ibmr);
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}
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int rvt_driver_mr_init(struct rvt_dev_info *rdi);
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void rvt_mr_exit(struct rvt_dev_info *rdi);
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/* Mem Regions */
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struct ib_mr *rvt_get_dma_mr(struct ib_pd *pd, int acc);
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struct ib_mr *rvt_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
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u64 virt_addr, int mr_access_flags,
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struct ib_dmah *dmah,
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struct ib_udata *udata);
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int rvt_dereg_mr(struct ib_mr *ibmr, struct ib_udata *udata);
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struct ib_mr *rvt_alloc_mr(struct ib_pd *pd, enum ib_mr_type mr_type,
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u32 max_num_sg);
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int rvt_map_mr_sg(struct ib_mr *ibmr, struct scatterlist *sg,
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int sg_nents, unsigned int *sg_offset);
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#endif /* DEF_RVTMR_H */
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