github/acrn-hypervisor
1
0
Fork 0
mirror of https://github.com/projectacrn/acrn-hypervisor.git synced 2025-09-21 08:50:27 +00:00
Code Issues Projects Releases Wiki Activity

HV: centralize the pci cfg read/write sanity checking code

Browse Source 
Do the pci cfg read/write sanity checking before the request is dispatched to
submodules, so that the checking is centralized rather than scattered across multiple
files/places

Tracked-On: #2534
Signed-off-by: dongshen <dongsheng.x.zhang@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>
This commit is contained in:
dongshen
2019-03-06 16:24:52 -08:00
committed by Eddie Dong
parent a403128a46
commit 026250fd8a
5 changed files with 32 additions and 36 deletions
Download Patch File Download Diff File Expand all files Collapse all files

11
hypervisor/dm/vpci/pci_pt.c
View File

@@ -105,12 +105,6 @@ void vdev_pt_deinit(const struct pci_vdev *vdev)
int32_t vdev_pt_cfgread(const struct pci_vdev *vdev, uint32_t offset,
uint32_t bytes, uint32_t *val)
{
/* Assumption: access needed to be aligned on 1/2/4 bytes */
if ((offset & (bytes - 1U)) != 0U) {
*val = 0xFFFFFFFFU;
return -EINVAL;
}
/* PCI BARs is emulated */
if (pci_bar_access(offset)) {
*val = pci_vdev_read_cfg(vdev, offset, bytes);
@@ -184,11 +178,6 @@ static void vdev_pt_cfgwrite_bar(struct pci_vdev *vdev, uint32_t offset,
int32_t vdev_pt_cfgwrite(struct pci_vdev *vdev, uint32_t offset,
uint32_t bytes, uint32_t val)
{
/* Assumption: access needed to be aligned on 1/2/4 bytes */
if ((offset & (bytes - 1U)) != 0U) {
return -EINVAL;
}
/* PCI BARs are emulated */
if (pci_bar_access(offset)) {
vdev_pt_cfgwrite_bar(vdev, offset, bytes, val);