[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Qemu-devel] [PATCH v10 05/10] vfio: refine function vfio_pci_host_match
From: |
Cao jin |
Subject: |
[Qemu-devel] [PATCH v10 05/10] vfio: refine function vfio_pci_host_match |
Date: |
Sun, 27 Nov 2016 19:32:28 +0800 |
From: Chen Fan <address@hidden>
Signed-off-by: Chen Fan <address@hidden>
Signed-off-by: Dou Liyang <address@hidden>
Signed-off-by: Cao jin <address@hidden>
---
hw/vfio/pci.c | 21 +++++++++++++++++----
1 file changed, 17 insertions(+), 4 deletions(-)
diff --git a/hw/vfio/pci.c b/hw/vfio/pci.c
index 4ff6626..95cb3c2 100644
--- a/hw/vfio/pci.c
+++ b/hw/vfio/pci.c
@@ -2164,14 +2164,27 @@ static void vfio_pci_post_reset(VFIOPCIDevice *vdev)
}
}
+static int vfio_pci_name_to_addr(const char *name, PCIHostDeviceAddress *addr)
+{
+ if (strlen(name) != 12 ||
+ sscanf(name, "%04x:%02x:%02x.%1x", &addr->domain,
+ &addr->bus, &addr->slot, &addr->function) != 4) {
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
static bool vfio_pci_host_match(PCIHostDeviceAddress *addr, const char *name)
{
- char tmp[13];
+ PCIHostDeviceAddress tmp;
- sprintf(tmp, "%04x:%02x:%02x.%1x", addr->domain,
- addr->bus, addr->slot, addr->function);
+ if (vfio_pci_name_to_addr(name, &tmp)) {
+ return false;
+ }
- return (strcmp(tmp, name) == 0);
+ return (tmp.domain == addr->domain && tmp.bus == addr->bus &&
+ tmp.slot == addr->slot && tmp.function == addr->function);
}
static int vfio_pci_hot_reset(VFIOPCIDevice *vdev, bool single)
--
1.8.3.1
- [Qemu-devel] [PATCH v10 00/10] vfio-pci: pass the aer error to guest, Cao jin, 2016/11/27
- [Qemu-devel] [PATCH v10 01/10] vfio: extract vfio_get_hot_reset_info as a single function, Cao jin, 2016/11/27
- [Qemu-devel] [PATCH v10 02/10] vfio: squeeze out vfio_pci_do_hot_reset to support bus reset, Cao jin, 2016/11/27
- [Qemu-devel] [PATCH v10 03/10] pcie_aer: support configurable AER capa version, Cao jin, 2016/11/27
- [Qemu-devel] [PATCH v10 05/10] vfio: refine function vfio_pci_host_match,
Cao jin <=
- [Qemu-devel] [PATCH v10 04/10] vfio: new function to init aer cap for vfio device, Cao jin, 2016/11/27
- [Qemu-devel] [PATCH v10 08/10] vfio: check aer functionality for hotplugged device, Cao jin, 2016/11/27
- [Qemu-devel] [PATCH v10 07/10] pci: introduce function validation check during hotplug, Cao jin, 2016/11/27
- [Qemu-devel] [PATCH v10 06/10] vfio: add check host bus reset is support or not, Cao jin, 2016/11/27
- [Qemu-devel] [PATCH v10 10/10] vfio: add 'aer' property to expose aercap, Cao jin, 2016/11/27
- [Qemu-devel] [PATCH v10 09/10] vfio-pci: pass the aer error to guest, Cao jin, 2016/11/27
- Re: [Qemu-devel] [PATCH v10 00/10] vfio-pci: pass the aer error to guest, no-reply, 2016/11/29