acrn-hypervisor/hypervisor/arch/x86/configs/pci_dev.c
Li, Fei1 d82a00a128 hv: vpci: remove pBDF configure for emulated device
Since now we use vBDF to search the device for PCI vdev.

Tracked-On: #3475
Signed-off-by: Li, Fei1 <fei1.li@intel.com>
2019-08-12 10:00:44 +08:00

81 lines
1.7 KiB
C

/*
* Copyright (C) 2019 Intel Corporation. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <vm_config.h>
#include <pci.h>
#include <pci_dev.h>
#include <vpci.h>
struct acrn_vm_pci_dev_config sos_pci_devs[CONFIG_MAX_PCI_DEV_NUM] = {
{
.emu_type = PCI_DEV_TYPE_HVEMUL,
.vbdf.bits = {.b = 0x00U, .d = 0x00U, .f = 0x00U},
.vdev_ops = &vhostbridge_ops,
},
};
/*
* @pre pdev != NULL;
*/
static bool is_allocated_to_prelaunched_vm(struct pci_pdev *pdev)
{
bool found = false;
uint16_t vmid;
uint32_t pci_idx;
struct acrn_vm_config *vm_config;
struct acrn_vm_pci_dev_config *dev_config;
for (vmid = 0U; vmid < CONFIG_MAX_VM_NUM; vmid++) {
vm_config = get_vm_config(vmid);
if (vm_config->load_order != PRE_LAUNCHED_VM) {
continue;
}
for (pci_idx = 0U; pci_idx < vm_config->pci_dev_num; pci_idx++) {
dev_config = &vm_config->pci_devs[pci_idx];
if ((dev_config->emu_type == PCI_DEV_TYPE_PTDEV) &&
bdf_is_equal(&dev_config->pbdf, &pdev->bdf)) {
dev_config->pdev = pdev;
found = true;
break;
}
}
if (found) {
break;
}
}
return found;
}
/*
* @pre: pdev != NULL
*/
void fill_pci_dev_config(struct pci_pdev *pdev)
{
uint16_t vmid;
struct acrn_vm_config *vm_config;
struct acrn_vm_pci_dev_config *dev_config;
if (!is_allocated_to_prelaunched_vm(pdev)) {
for (vmid = 0U; vmid < CONFIG_MAX_VM_NUM; vmid++) {
vm_config = get_vm_config(vmid);
if (vm_config->load_order != SOS_VM) {
continue;
}
dev_config = &vm_config->pci_devs[vm_config->pci_dev_num];
dev_config->emu_type = PCI_DEV_TYPE_PTDEV;
dev_config->vbdf.value = pdev->bdf.value;
dev_config->pbdf.value = pdev->bdf.value;
dev_config->pdev = pdev;
vm_config->pci_dev_num++;
}
}
}