From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:47245) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1a49Iq-0006Ha-9T for qemu-devel@nongnu.org; Wed, 02 Dec 2015 10:26:48 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1a49Ip-0002wT-7R for qemu-devel@nongnu.org; Wed, 02 Dec 2015 10:26:44 -0500 Received: from mail-wm0-x234.google.com ([2a00:1450:400c:c09::234]:35330) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1a49Ip-0002wK-2X for qemu-devel@nongnu.org; Wed, 02 Dec 2015 10:26:43 -0500 Received: by wmuu63 with SMTP id u63so219596687wmu.0 for ; Wed, 02 Dec 2015 07:26:42 -0800 (PST) From: Shmulik Ladkani Date: Wed, 2 Dec 2015 17:26:31 +0200 Message-Id: <1449069991-6109-6-git-send-email-shmulik.ladkani@ravellosystems.com> In-Reply-To: <1449069991-6109-1-git-send-email-shmulik.ladkani@ravellosystems.com> References: <1449069991-6109-1-git-send-email-shmulik.ladkani@ravellosystems.com> Subject: [Qemu-devel] [PATCH v2 5/5] vmxnet3: Report the Device Serial Number capability List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Dmitry Fleytman , Jason Wang Cc: Marcel Apfelbaum , idan.brown@ravellosystems.com, qemu-devel@nongnu.org, Shmulik Ladkani 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 --- 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