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pcie: Introduce function for DSN capability creation 

Signed-off-by: Dmitry Fleytman <dmitry.fleytman@ravellosystems.com>
Signed-off-by: Leonid Bloch <leonid.bloch@ravellosystems.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
This commit is contained in:
Dmitry Fleytman 2016-06-01 11:23:34 +03:00 committed by Jason Wang
parent 6383292ac8
commit b56b9285e4
2 changed files with 11 additions and 0 deletions
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10
hw/pci/pcie.c
View File

@ -695,3 +695,13 @@ void pcie_ari_init(PCIDevice *dev, uint16_t offset, uint16_t nextfn)
offset, PCI_ARI_SIZEOF);
pci_set_long(dev->config + offset + PCI_ARI_CAP, (nextfn & 0xff) << 8);
}
void pcie_dev_ser_num_init(PCIDevice *dev, uint16_t offset, uint64_t ser_num)
{
static const int pci_dsn_ver = 1;
static const int pci_dsn_cap = 4;
pcie_add_capability(dev, PCI_EXT_CAP_ID_DSN, pci_dsn_ver, offset,
PCI_EXT_CAP_DSN_SIZEOF);
pci_set_quad(dev->config + offset + pci_dsn_cap, ser_num);
}

1
include/hw/pci/pcie.h
View File

@ -119,6 +119,7 @@ void pcie_add_capability(PCIDevice *dev,
uint16_t offset, uint16_t size);
void pcie_ari_init(PCIDevice *dev, uint16_t offset, uint16_t nextfn);
void pcie_dev_ser_num_init(PCIDevice *dev, uint16_t offset, uint64_t ser_num);
extern const VMStateDescription vmstate_pcie_device;