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hv: pci: use mmio_read/write directly

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Use mmio_read/write directly.

Tracked-On: #8255
Signed-off-by: Fei Li <fei1.li@intel.com>
This commit is contained in:
Fei Li 2022-10-19 11:05:54 +08:00 committed by acrnsi-robot
parent 65454730de
commit 8d734dd915
1 changed files with 3 additions and 26 deletions
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29
hypervisor/hw/pci.c
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@ -179,24 +179,10 @@ static uint32_t pci_mmcfg_read_cfg(union pci_bdf bdf, uint32_t offset, uint32_t
{ {
uint32_t addr = mmcfg_off_to_address(bdf, offset); uint32_t addr = mmcfg_off_to_address(bdf, offset);
void *hva = hpa2hva(addr); void *hva = hpa2hva(addr);
uint32_t val;
ASSERT(pci_is_valid_access(offset, bytes), "the offset should be aligned with 2/4 byte\n"); ASSERT(pci_is_valid_access(offset, bytes), "the offset should be aligned with 2/4 byte\n");
switch (bytes) { return (uint32_t)mmio_read(hva, bytes);
case 1U:
val = (uint32_t)mmio_read8(hva);
break;
case 2U:
val = (uint32_t)mmio_read16(hva);
break;
default:
val = mmio_read32(hva);
break;
}
return val;
} }
/* /*
@ -211,17 +197,8 @@ static void pci_mmcfg_write_cfg(union pci_bdf bdf, uint32_t offset, uint32_t byt
void *hva = hpa2hva(addr); void *hva = hpa2hva(addr);
ASSERT(pci_is_valid_access(offset, bytes), "the offset should be aligned with 2/4 byte\n"); ASSERT(pci_is_valid_access(offset, bytes), "the offset should be aligned with 2/4 byte\n");
switch (bytes) {
case 1U: mmio_write(hva, bytes, val);
mmio_write8((uint8_t)val, hva);
break;
case 2U:
mmio_write16((uint16_t)val, hva);
break;
default:
mmio_write32(val, hva);
break;
}
} }
static const struct pci_cfg_ops pci_mmcfg_cfg_ops = { static const struct pci_cfg_ops pci_mmcfg_cfg_ops = {