0efc9511aa
Our rule right now is to use <> for external headers only. RDMA code violates that, fix it up. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Reviewed-by: Daniel P. Berrangé <berrange@redhat.com> Reviewed-by: Marcel Apfelbaum <marcel@redhat.com> Signed-off-by: Marcel Apfelbaum <marcel@redhat.com>
43 lines
1.1 KiB
C
43 lines
1.1 KiB
C
/*
|
|
* QEMU VMWARE paravirtual RDMA ring utilities
|
|
*
|
|
* Copyright (C) 2018 Oracle
|
|
* Copyright (C) 2018 Red Hat Inc
|
|
*
|
|
* Authors:
|
|
* Yuval Shaia <yuval.shaia@oracle.com>
|
|
* Marcel Apfelbaum <marcel@redhat.com>
|
|
*
|
|
* This work is licensed under the terms of the GNU GPL, version 2 or later.
|
|
* See the COPYING file in the top-level directory.
|
|
*
|
|
*/
|
|
|
|
#ifndef PVRDMA_DEV_RING_H
|
|
#define PVRDMA_DEV_RING_H
|
|
|
|
#include "qemu/typedefs.h"
|
|
|
|
#define MAX_RING_NAME_SZ 32
|
|
|
|
typedef struct PvrdmaRing {
|
|
char name[MAX_RING_NAME_SZ];
|
|
PCIDevice *dev;
|
|
uint32_t max_elems;
|
|
size_t elem_sz;
|
|
struct pvrdma_ring *ring_state; /* used only for unmap */
|
|
int npages;
|
|
void **pages;
|
|
} PvrdmaRing;
|
|
|
|
int pvrdma_ring_init(PvrdmaRing *ring, const char *name, PCIDevice *dev,
|
|
struct pvrdma_ring *ring_state, uint32_t max_elems,
|
|
size_t elem_sz, dma_addr_t *tbl, dma_addr_t npages);
|
|
void *pvrdma_ring_next_elem_read(PvrdmaRing *ring);
|
|
void pvrdma_ring_read_inc(PvrdmaRing *ring);
|
|
void *pvrdma_ring_next_elem_write(PvrdmaRing *ring);
|
|
void pvrdma_ring_write_inc(PvrdmaRing *ring);
|
|
void pvrdma_ring_free(PvrdmaRing *ring);
|
|
|
|
#endif
|