[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Qemu-devel] [PATCH v2 5/5] vmxnet3: Report the Device Serial Number cap
From: |
Shmulik Ladkani |
Subject: |
[Qemu-devel] [PATCH v2 5/5] vmxnet3: Report the Device Serial Number capability |
Date: |
Wed, 2 Dec 2015 17:26:31 +0200 |
Report the DSN extended PCI capability at 0x100.
DSN value is a transformation of device MAC address, as calculated
by VMware virtual hardware.
DSN is reported only if device is pcie.
Signed-off-by: Shmulik Ladkani <address@hidden>
---
hw/net/vmxnet3.c | 28 ++++++++++++++++++++++++++--
1 file changed, 26 insertions(+), 2 deletions(-)
diff --git a/hw/net/vmxnet3.c b/hw/net/vmxnet3.c
index 1d0fb66..4fb50d8 100644
--- a/hw/net/vmxnet3.c
+++ b/hw/net/vmxnet3.c
@@ -49,6 +49,7 @@
((s)->compat_flags & VMXNET3_COMPAT_FLAG_OLD_MSI_OFFSETS ? 0x50 : 0x84)
#define VMXNET3_MSIX_OFFSET(s) \
((s)->compat_flags & VMXNET3_COMPAT_FLAG_OLD_MSI_OFFSETS ? 0 : 0x9c)
+#define VMXNET3_DSN_OFFSET (0x100)
#define VMXNET3_BAR0_IDX (0)
#define VMXNET3_BAR1_IDX (1)
@@ -2225,6 +2226,22 @@ static const MemoryRegionOps b1_ops = {
},
};
+static uint8_t *vmxnet3_device_serial_num(VMXNET3State *s)
+{
+ static uint64_t dsn_payload;
+ uint8_t *dsnp = (uint8_t *)&dsn_payload;
+
+ dsnp[0] = 0xfe;
+ dsnp[1] = s->conf.macaddr.a[3];
+ dsnp[2] = s->conf.macaddr.a[4];
+ dsnp[3] = s->conf.macaddr.a[5];
+ dsnp[4] = s->conf.macaddr.a[0];
+ dsnp[5] = s->conf.macaddr.a[1];
+ dsnp[6] = s->conf.macaddr.a[2];
+ dsnp[7] = 0xff;
+ return dsnp;
+}
+
static void vmxnet3_pci_realize(PCIDevice *pci_dev, Error **errp)
{
DeviceState *dev = DEVICE(pci_dev);
@@ -2262,8 +2279,15 @@ static void vmxnet3_pci_realize(PCIDevice *pci_dev,
Error **errp)
vmxnet3_net_init(s);
- if (pci_is_express(pci_dev) && pci_bus_is_express(pci_dev->bus)) {
- pcie_endpoint_cap_init(pci_dev, VMXNET3_EXP_EP_OFFSET);
+ if (pci_is_express(pci_dev)) {
+ if (pci_bus_is_express(pci_dev->bus)) {
+ pcie_endpoint_cap_init(pci_dev, VMXNET3_EXP_EP_OFFSET);
+ }
+
+ pcie_add_capability(pci_dev, PCI_EXT_CAP_ID_DSN, 0x1,
+ VMXNET3_DSN_OFFSET, PCI_EXT_CAP_DSN_SIZEOF);
+ memcpy(pci_dev->config + VMXNET3_DSN_OFFSET + 4,
+ vmxnet3_device_serial_num(s), sizeof(uint64_t));
}
register_savevm(dev, "vmxnet3-msix", -1, 1,
--
1.9.1
[Qemu-devel] [PATCH v2 5/5] vmxnet3: Report the Device Serial Number capability,
Shmulik Ladkani <=