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[Qemu-devel] [PATCH v5 6/7] vfio: add 'x-aer' property to expose aercap
From: |
Chen Fan |
Subject: |
[Qemu-devel] [PATCH v5 6/7] vfio: add 'x-aer' property to expose aercap |
Date: |
Thu, 12 Mar 2015 18:23:58 +0800 |
add 'x-aer' property to let user able to decide whether expose
the aer capability.
Signed-off-by: Chen Fan <address@hidden>
---
hw/vfio/pci.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/hw/vfio/pci.c b/hw/vfio/pci.c
index 8966c49..0517091 100644
--- a/hw/vfio/pci.c
+++ b/hw/vfio/pci.c
@@ -159,6 +159,8 @@ typedef struct VFIOPCIDevice {
#define VFIO_FEATURE_ENABLE_VGA (1 << VFIO_FEATURE_ENABLE_VGA_BIT)
#define VFIO_FEATURE_ENABLE_REQ_BIT 1
#define VFIO_FEATURE_ENABLE_REQ (1 << VFIO_FEATURE_ENABLE_REQ_BIT)
+#define VFIO_FEATURE_ENABLE_AER_BIT 2
+#define VFIO_FEATURE_ENABLE_AER (1 << VFIO_FEATURE_ENABLE_AER_BIT)
int32_t bootindex;
uint8_t pm_cap;
bool has_vga;
@@ -2731,6 +2733,10 @@ static int vfio_setup_aer(VFIOPCIDevice *vdev, int pos,
uint16_t size)
uint32_t severity, errcap;
int ret;
+ if (!(vdev->features & VFIO_FEATURE_ENABLE_AER)) {
+ return 0;
+ }
+
errcap = vfio_pci_read_config(pdev, pdev->exp.aer_cap + PCI_ERR_CAP, 4);
/* The ability to record multiple headers is depending on
the state of the Multiple Header Recording Capable bit and
@@ -3691,6 +3697,8 @@ static Property vfio_pci_dev_properties[] = {
VFIO_FEATURE_ENABLE_VGA_BIT, false),
DEFINE_PROP_BIT("x-req", VFIOPCIDevice, features,
VFIO_FEATURE_ENABLE_REQ_BIT, true),
+ DEFINE_PROP_BIT("x-aer", VFIOPCIDevice, features,
+ VFIO_FEATURE_ENABLE_AER_BIT, true),
DEFINE_PROP_INT32("bootindex", VFIOPCIDevice, bootindex, -1),
DEFINE_PROP_BOOL("x-mmap", VFIOPCIDevice, vbasedev.allow_mmap, true),
/*
--
1.9.3
- Re: [Qemu-devel] [PATCH v5 5/7] vfio-pci: pass the aer error to guest, (continued)
- [Qemu-devel] [PATCH v5 1/7] vfio: add pcie extanded capability support, Chen Fan, 2015/03/12
- [Qemu-devel] [PATCH v5 4/7] pcie_aer: expose pcie_aer_msg() interface, Chen Fan, 2015/03/12
- [Qemu-devel] [PATCH v5 2/7] aer: impove pcie_aer_init to support vfio device, Chen Fan, 2015/03/12
- [Qemu-devel] [PATCH v5 3/7] vfio: add aer support for vfio device, Chen Fan, 2015/03/12
- [Qemu-devel] [PATCH v5 6/7] vfio: add 'x-aer' property to expose aercap,
Chen Fan <=
- [Qemu-devel] [PATCH v5 7/7] pc: add PC_I440FX_COMPAT to disable aercap for vifo device, Chen Fan, 2015/03/12