acrn-hypervisor/hypervisor/dm/vpci/vpci_priv.h

111 lines
4.6 KiB
C

/*-
* Copyright (c) 2011 NetApp, Inc.
* Copyright (c) 2018 Intel Corporation
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY NETAPP, INC ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL NETAPP, INC OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#ifndef VPCI_PRIV_H_
#define VPCI_PRIV_H_
#include <pci.h>
static inline bool in_range(uint32_t value, uint32_t lower, uint32_t len)
{
return ((value >= lower) && (value < (lower + len)));
}
static inline uint8_t pci_vdev_read_cfg_u8(const struct pci_vdev *vdev, uint32_t offset)
{
return vdev->cfgdata.data_8[offset];
}
static inline uint16_t pci_vdev_read_cfg_u16(const struct pci_vdev *vdev, uint32_t offset)
{
return vdev->cfgdata.data_16[offset >> 1U];
}
static inline uint32_t pci_vdev_read_cfg_u32(const struct pci_vdev *vdev, uint32_t offset)
{
return vdev->cfgdata.data_32[offset >> 2U];
}
static inline void pci_vdev_write_cfg_u8(struct pci_vdev *vdev, uint32_t offset, uint8_t val)
{
vdev->cfgdata.data_8[offset] = val;
}
static inline void pci_vdev_write_cfg_u16(struct pci_vdev *vdev, uint32_t offset, uint16_t val)
{
vdev->cfgdata.data_16[offset >> 1U] = val;
}
static inline void pci_vdev_write_cfg_u32(struct pci_vdev *vdev, uint32_t offset, uint32_t val)
{
vdev->cfgdata.data_32[offset >> 2U] = val;
}
void vdev_hostbridge_init(struct pci_vdev *vdev);
int32_t vdev_hostbridge_cfgread(const struct pci_vdev *vdev, uint32_t offset, uint32_t bytes, uint32_t *val);
int32_t vdev_hostbridge_cfgwrite(struct pci_vdev *vdev, uint32_t offset, uint32_t bytes, uint32_t val);
void vdev_hostbridge_deinit(__unused const struct pci_vdev *vdev);
void vdev_pt_init(const struct pci_vdev *vdev);
int32_t vdev_pt_cfgread(const struct pci_vdev *vdev, uint32_t offset, uint32_t bytes, uint32_t *val);
int32_t vdev_pt_cfgwrite(struct pci_vdev *vdev, uint32_t offset, uint32_t bytes, uint32_t val);
void vdev_pt_deinit(const struct pci_vdev *vdev);
void vmsi_init(struct pci_vdev *vdev);
int32_t vmsi_cfgread(const struct pci_vdev *vdev, uint32_t offset, uint32_t bytes, uint32_t *val);
int32_t vmsi_cfgwrite(struct pci_vdev *vdev, uint32_t offset, uint32_t bytes, uint32_t val);
void vmsi_deinit(const struct pci_vdev *vdev);
void vmsix_init(struct pci_vdev *vdev);
int32_t vmsix_cfgread(const struct pci_vdev *vdev, uint32_t offset, uint32_t bytes, uint32_t *val);
int32_t vmsix_cfgwrite(struct pci_vdev *vdev, uint32_t offset, uint32_t bytes, uint32_t val);
void vmsix_deinit(const struct pci_vdev *vdev);
uint32_t pci_vdev_read_cfg(const struct pci_vdev *vdev, uint32_t offset, uint32_t bytes);
void pci_vdev_write_cfg(struct pci_vdev *vdev, uint32_t offset, uint32_t bytes, uint32_t val);
struct pci_vdev *pci_find_vdev_by_vbdf(const struct acrn_vpci *vpci, union pci_bdf vbdf);
struct pci_vdev *pci_find_vdev_by_pbdf(const struct acrn_vpci *vpci, union pci_bdf pbdf);
int32_t partition_mode_vpci_init(const struct acrn_vm *vm);
void partition_mode_cfgread(const struct acrn_vpci *vpci, union pci_bdf vbdf,
uint32_t offset, uint32_t bytes, uint32_t *val);
void partition_mode_cfgwrite(const struct acrn_vpci *vpci, union pci_bdf vbdf,
uint32_t offset, uint32_t bytes, uint32_t val);
void partition_mode_vpci_deinit(const struct acrn_vm *vm);
int32_t sharing_mode_vpci_init(const struct acrn_vm *vm);
void sharing_mode_cfgread(struct acrn_vpci *vpci, union pci_bdf bdf,
uint32_t offset, uint32_t bytes, uint32_t *val);
void sharing_mode_cfgwrite(__unused struct acrn_vpci *vpci, union pci_bdf bdf,
uint32_t offset, uint32_t bytes, uint32_t val);
void sharing_mode_vpci_deinit(const struct acrn_vm *vm);
#endif /* VPCI_PRIV_H_ */