On Thu, Jun 12, 2014 at 05:27:35PM +0200, Michal Privoznik wrote:
This new element is there to represent PCI-Express capabilities of a PCI devices, like link speed, number of lanes, etc.Signed-off-by: Michal Privoznik <mpriv...@redhat.com>
[...]
diff --git a/docs/schemas/nodedev.rng b/docs/schemas/nodedev.rng
index 505f913..0a8b7fa 100644
--- a/docs/schemas/nodedev.rng
+++ b/docs/schemas/nodedev.rng
@@ -168,6 +168,32 @@
</element>
</optional>
+ <optional>
+ <element name='pci-express'>
+ <zeroOrMore>
+ <element name='link'>
+ <attribute name='validity'>
+ <choice>
+ <value>cap</value>
+ <value>sta</value>
+ </choice>
+ </attribute>
+ <optional>
+ <attribute name='port'>
+ <ref name='unsignedInt'/>
+ </attribute>
+ </optional>
+ <optional>
+ <attribute name='speed'>
List the values here or use the string with pattern from my suggestion in v1.
+ </attribute> + </optional> + <attribute name='width'> + <ref name='unsignedInt'/> + </attribute> + </element> + </zeroOrMore> + </element> + </optional> </define> <define name='capusbdev'>
[...]
diff --git a/src/conf/node_device_conf.h b/src/conf/node_device_conf.h
index d1311dd..b95ccf1 100644
--- a/src/conf/node_device_conf.h
+++ b/src/conf/node_device_conf.h
@@ -76,10 +76,38 @@ typedef enum {
} virNodeDevSCSIHostCapFlags;
typedef enum {
- VIR_NODE_DEV_CAP_FLAG_PCI_PHYSICAL_FUNCTION = (1 << 0),
- VIR_NODE_DEV_CAP_FLAG_PCI_VIRTUAL_FUNCTION = (1 << 1),
+ VIR_NODE_DEV_CAP_FLAG_PCI_PHYSICAL_FUNCTION = (1 << 0),
+ VIR_NODE_DEV_CAP_FLAG_PCI_VIRTUAL_FUNCTION = (1 << 1),
+ VIR_NODE_DEV_CAP_FLAG_PCIE = (1 << 2),
} virNodeDevPCICapFlags;
+typedef enum {
+ VIR_PCIE_LINK_SPEED_NA = 0,
+ VIR_PCIE_LINK_SPEED_25,
+ VIR_PCIE_LINK_SPEED_5,
+ VIR_PCIE_LINK_SPEED_8,
+ VIR_PCIE_LINK_SPEED_LAST
+} virPCIELinkSpeed;
+
+VIR_ENUM_DECL(virPCIELinkSpeed)
+
+typedef struct _virPCIELink virPCIELink;
+typedef virPCIELink *virPCIELinkPtr;
+struct _virPCIELink {
+ int port;
+ virPCIELinkSpeed speed;
+ unsigned int width;
+};
+
+typedef struct _virPCIEDeviceInfo virPCIEDeviceInfo;
+typedef virPCIEDeviceInfo *virPCIEDeviceInfoPtr;
+struct _virPCIEDeviceInfo {
+ /* Not all PCI Express devices has link. For example this 'Root Complex
+ * Integrated Endpoint' and 'Root Complex Event Collector' doesn't have. */
Actually, exactly only these two do not have it. [...]
diff --git a/src/node_device/node_device_udev.c
b/src/node_device/node_device_udev.c
index a8e74e4..bb6a0b9 100644
--- a/src/node_device/node_device_udev.c
+++ b/src/node_device/node_device_udev.c
@@ -426,6 +426,8 @@ static int udevProcessPCI(struct udev_device *device,
const char *syspath = NULL;
union _virNodeDevCapData *data = &def->caps->data;
virPCIDeviceAddress addr;
+ virPCIEDeviceInfoPtr pci_express = NULL;
+ virPCIDevicePtr pciDev = NULL;
int tmpGroup, ret = -1;
char *p;
int rc;
@@ -535,9 +537,41 @@ static int udevProcessPCI(struct udev_device *device,
data->pci_dev.iommuGroupNumber = tmpGroup;
}
+ if (!(pciDev = virPCIDeviceNew(data->pci_dev.domain,
+ data->pci_dev.bus,
+ data->pci_dev.slot,
+ data->pci_dev.function)))
+ goto out;
+
+ if (virPCIDeviceIsPCIExpress(pciDev) > 0) {
+ if (VIR_ALLOC(pci_express) < 0)
+ goto out;
+
+ if (virPCIDeviceHasPCIExpressLink(pciDev) > 0) {
+ if (VIR_ALLOC(pci_express->link_cap) < 0 ||
+ VIR_ALLOC(pci_express->link_sta) < 0)
+ goto out;
+
+ if (virPCIDeviceGetLinkCapSta(pciDev,
+ &pci_express->link_cap->port,
+ &pci_express->link_cap->speed,
+ &pci_express->link_cap->width,
+ &pci_express->link_sta->speed,
+ &pci_express->link_sta->width) < 0)
You wouldn't have to pass all the params if you defined the structs in virpci, but that's just a cosmetic thing. ACK with the RelaxNG schema fixed, Martin
signature.asc
Description: Digital signature
-- libvir-list mailing list libvir-list@redhat.com https://www.redhat.com/mailman/listinfo/libvir-list
