187 lines
6.1 KiB
C
187 lines
6.1 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 <list.h>
|
|
#include <pci.h>
|
|
|
|
/*
|
|
* For hypervisor emulated PCI devices, vMSIX Table contains 128 entries
|
|
* at most. vMSIX Table begins at an offset of 0, and maps the vMSIX PBA
|
|
* beginning at an offset of 2 KB.
|
|
*/
|
|
#define VMSIX_MAX_TABLE_ENTRY_NUM 128U
|
|
#define VMSIX_MAX_ENTRY_TABLE_SIZE 2048U
|
|
#define VMSIX_ENTRY_TABLE_PBA_BAR_SIZE 4096U
|
|
|
|
static inline struct acrn_vm *vpci2vm(const struct acrn_vpci *vpci)
|
|
{
|
|
return container_of(vpci, struct acrn_vm, vpci);
|
|
}
|
|
|
|
static inline bool is_quirk_ptdev(const struct pci_vdev *vdev)
|
|
{
|
|
return ((vdev->flags & ACRN_PTDEV_QUIRK_ASSIGN) != 0U);
|
|
}
|
|
|
|
static inline bool in_range(uint32_t value, uint32_t lower, uint32_t len)
|
|
{
|
|
return ((value >= lower) && (value < (lower + len)));
|
|
}
|
|
|
|
/**
|
|
* @pre vdev != NULL
|
|
*/
|
|
static inline bool has_msix_cap(const struct pci_vdev *vdev)
|
|
{
|
|
return (vdev->msix.capoff != 0U);
|
|
}
|
|
|
|
/**
|
|
* @pre vdev != NULL
|
|
*/
|
|
static inline bool msixcap_access(const struct pci_vdev *vdev, uint32_t offset)
|
|
{
|
|
return (has_msix_cap(vdev) && in_range(offset, vdev->msix.capoff, vdev->msix.caplen));
|
|
}
|
|
|
|
/**
|
|
* @pre vdev != NULL
|
|
*/
|
|
static inline bool msixtable_access(const struct pci_vdev *vdev, uint32_t offset)
|
|
{
|
|
return in_range(offset, vdev->msix.table_offset, vdev->msix.table_count * MSIX_TABLE_ENTRY_SIZE);
|
|
}
|
|
|
|
/*
|
|
* @pre vdev != NULL
|
|
*/
|
|
static inline bool has_sriov_cap(const struct pci_vdev *vdev)
|
|
{
|
|
return (vdev->sriov.capoff != 0U);
|
|
}
|
|
|
|
/*
|
|
* @pre vdev != NULL
|
|
*/
|
|
static inline bool sriovcap_access(const struct pci_vdev *vdev, uint32_t offset)
|
|
{
|
|
return (has_sriov_cap(vdev) && in_range(offset, vdev->sriov.capoff, vdev->sriov.caplen));
|
|
}
|
|
|
|
/**
|
|
* @pre vdev != NULL
|
|
*/
|
|
static inline bool vbar_access(const struct pci_vdev *vdev, uint32_t offset)
|
|
{
|
|
return is_bar_offset(vdev->nr_bars, offset);
|
|
}
|
|
|
|
/**
|
|
* @pre vdev != NULL
|
|
*/
|
|
static inline bool cfg_header_access(uint32_t offset)
|
|
{
|
|
return (offset < PCI_CFG_HEADER_LENGTH);
|
|
}
|
|
|
|
/**
|
|
* @pre vdev != NULL
|
|
*/
|
|
static inline bool has_msi_cap(const struct pci_vdev *vdev)
|
|
{
|
|
return (vdev->msi.capoff != 0U);
|
|
}
|
|
|
|
/**
|
|
* @pre vdev != NULL
|
|
*/
|
|
static inline bool msicap_access(const struct pci_vdev *vdev, uint32_t offset)
|
|
{
|
|
return (has_msi_cap(vdev) && in_range(offset, vdev->msi.capoff, vdev->msi.caplen));
|
|
}
|
|
|
|
/**
|
|
* @brief Check if the specified vdev is a zombie VF instance
|
|
*
|
|
* @pre: The vdev is a VF instance
|
|
*
|
|
* @param vdev Pointer to vdev instance
|
|
*
|
|
* @return If the vdev is a zombie VF instance return true, otherwise return false
|
|
*/
|
|
static inline bool is_zombie_vf(const struct pci_vdev *vdev)
|
|
{
|
|
return (vdev->user == NULL);
|
|
}
|
|
|
|
void init_vdev_pt(struct pci_vdev *vdev, bool is_pf_vdev);
|
|
void deinit_vdev_pt(struct pci_vdev *vdev);
|
|
void vdev_pt_write_vbar(struct pci_vdev *vdev, uint32_t idx, uint32_t val);
|
|
void vdev_pt_map_msix(struct pci_vdev *vdev, bool hold_lock);
|
|
|
|
void init_vmsi(struct pci_vdev *vdev);
|
|
void write_vmsi_cap_reg(struct pci_vdev *vdev, uint32_t offset, uint32_t bytes, uint32_t val);
|
|
void deinit_vmsi(const struct pci_vdev *vdev);
|
|
|
|
void init_vmsix_pt(struct pci_vdev *vdev);
|
|
int32_t add_vmsix_capability(struct pci_vdev *vdev, uint32_t entry_num, uint8_t bar_num);
|
|
bool write_vmsix_cap_reg(struct pci_vdev *vdev, uint32_t offset, uint32_t bytes, uint32_t val);
|
|
void write_pt_vmsix_cap_reg(struct pci_vdev *vdev, uint32_t offset, uint32_t bytes, uint32_t val);
|
|
uint32_t rw_vmsix_table(struct pci_vdev *vdev, struct io_request *io_req);
|
|
int32_t vmsix_handle_table_mmio_access(struct io_request *io_req, void *priv_data);
|
|
bool vpci_vmsix_enabled(const struct pci_vdev *vdev);
|
|
void deinit_vmsix_pt(struct pci_vdev *vdev);
|
|
|
|
void init_vmsix_on_msi(struct pci_vdev *vdev);
|
|
void write_vmsix_cap_reg_on_msi(struct pci_vdev *vdev, uint32_t offset, uint32_t bytes, uint32_t val);
|
|
void remap_one_vmsix_entry_on_msi(struct pci_vdev *vdev, uint32_t index);
|
|
|
|
void init_vsriov(struct pci_vdev *vdev);
|
|
void read_sriov_cap_reg(const struct pci_vdev *vdev, uint32_t offset, uint32_t bytes, uint32_t *val);
|
|
void write_sriov_cap_reg(struct pci_vdev *vdev, uint32_t offset, uint32_t bytes, uint32_t val);
|
|
uint32_t sriov_bar_offset(const struct pci_vdev *vdev, uint32_t bar_idx);
|
|
|
|
uint32_t pci_vdev_read_vcfg(const struct pci_vdev *vdev, uint32_t offset, uint32_t bytes);
|
|
void pci_vdev_write_vcfg(struct pci_vdev *vdev, uint32_t offset, uint32_t bytes, uint32_t val);
|
|
uint32_t vpci_add_capability(struct pci_vdev *vdev, uint8_t *capdata, uint8_t caplen);
|
|
|
|
void pci_vdev_write_vbar(struct pci_vdev *vdev, uint32_t idx, uint32_t val);
|
|
|
|
void vdev_pt_hide_sriov_cap(struct pci_vdev *vdev);
|
|
|
|
int32_t check_pt_dev_pio_bars(struct pci_vdev *vdev);
|
|
|
|
typedef void (*map_pcibar)(struct pci_vdev *vdev, uint32_t bar_idx);
|
|
typedef void (*unmap_pcibar)(struct pci_vdev *vdev, uint32_t bar_idx);
|
|
void vpci_update_one_vbar(struct pci_vdev *vdev, uint32_t bar_idx, uint32_t val, map_pcibar map_cb, unmap_pcibar unmap_cb);
|
|
#endif /* VPCI_PRIV_H_ */
|