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RDMA/core: Remove FMR device ops

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After removing FMR support from all the RDMA ULPs and providers, there
is no need to keep FMR operation for IB devices.

Link: https://lore.kernel.org/r/11-v3-f58e6669d5d3+2cf-fmr_removal_jgg@mellanox.com
Signed-off-by: Max Gurtovoy <maxg@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
This commit is contained in:
Max Gurtovoy
2020-05-28 16:45:53 -03:00
committed by Jason Gunthorpe
parent 22c9cc2408
commit 3a578152a9
4 changed files with 0 additions and 113 deletions
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59
include/rdma/ib_verbs.h
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@@ -1475,12 +1475,6 @@ enum ib_mr_rereg_flags {
IB_MR_REREG_SUPPORTED = ((IB_MR_REREG_ACCESS << 1) - 1)
};
struct ib_fmr_attr {
int max_pages;
int max_maps;
u8 page_shift;
};
struct ib_umem;
enum rdma_remove_reason {
@@ -1855,14 +1849,6 @@ struct ib_mw {
enum ib_mw_type type;
};
struct ib_fmr {
struct ib_device *device;
struct ib_pd *pd;
struct list_head list;
u32 lkey;
u32 rkey;
};
/* Supported steering options */
enum ib_flow_attr_type {
/* steering according to rule specifications */
@@ -2505,12 +2491,6 @@ struct ib_device_ops {
struct ib_mw *(*alloc_mw)(struct ib_pd *pd, enum ib_mw_type type,
struct ib_udata *udata);
int (*dealloc_mw)(struct ib_mw *mw);
struct ib_fmr *(*alloc_fmr)(struct ib_pd *pd, int mr_access_flags,
struct ib_fmr_attr *fmr_attr);
int (*map_phys_fmr)(struct ib_fmr *fmr, u64 *page_list, int list_len,
u64 iova);
int (*unmap_fmr)(struct list_head *fmr_list);
int (*dealloc_fmr)(struct ib_fmr *fmr);
int (*attach_mcast)(struct ib_qp *qp, union ib_gid *gid, u16 lid);
int (*detach_mcast)(struct ib_qp *qp, union ib_gid *gid, u16 lid);
struct ib_xrcd *(*alloc_xrcd)(struct ib_device *device,
@@ -4319,45 +4299,6 @@ static inline u32 ib_inc_rkey(u32 rkey)
return ((rkey + 1) & mask) | (rkey & ~mask);
}
/**
* ib_alloc_fmr - Allocates a unmapped fast memory region.
* @pd: The protection domain associated with the unmapped region.
* @mr_access_flags: Specifies the memory access rights.
* @fmr_attr: Attributes of the unmapped region.
*
* A fast memory region must be mapped before it can be used as part of
* a work request.
*/
struct ib_fmr *ib_alloc_fmr(struct ib_pd *pd,
int mr_access_flags,
struct ib_fmr_attr *fmr_attr);
/**
* ib_map_phys_fmr - Maps a list of physical pages to a fast memory region.
* @fmr: The fast memory region to associate with the pages.
* @page_list: An array of physical pages to map to the fast memory region.
* @list_len: The number of pages in page_list.
* @iova: The I/O virtual address to use with the mapped region.
*/
static inline int ib_map_phys_fmr(struct ib_fmr *fmr,
u64 *page_list, int list_len,
u64 iova)
{
return fmr->device->ops.map_phys_fmr(fmr, page_list, list_len, iova);
}
/**
* ib_unmap_fmr - Removes the mapping from a list of fast memory regions.
* @fmr_list: A linked list of fast memory regions to unmap.
*/
int ib_unmap_fmr(struct list_head *fmr_list);
/**
* ib_dealloc_fmr - Deallocates a fast memory region.
* @fmr: The fast memory region to deallocate.
*/
int ib_dealloc_fmr(struct ib_fmr *fmr);
/**
* ib_attach_mcast - Attaches the specified QP to a multicast group.
* @qp: QP to attach to the multicast group. The QP must be type