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hv: vPCI: add assign/deassign PCI device HC APIs

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Add assign/deassign PCI device hypercall APIs to assign a PCI device from SOS to
post-launched VM or deassign a PCI device from post-launched VM to SOS. This patch
is prepared for spliting passthrough PCI device from DM to HV.
The old assign/deassign ptdev APIs will be discarded.

Tracked-On: #4371
Signed-off-by: Li Fei1 <fei1.li@intel.com>
This commit is contained in:
Li Fei1
2020-01-16 22:09:33 +08:00
committed by wenlingz
parent 2ca01206f3
commit fe3182ea05
8 changed files with 260 additions and 8 deletions
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2
hypervisor/include/hw/pci.h
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@@ -90,6 +90,8 @@
#define PCIR_CAP_PTR_CARDBUS 0x14U
#define PCI_BASE_ADDRESS_MEM_MASK (~0x0fUL)
#define PCI_BASE_ADDRESS_IO_MASK (~0x03UL)
#define PCIR_INTERRUPT_LINE 0x3cU
#define PCIR_INTERRUPT_PIN 0x3dU
/* config registers for header type 1 (PCI-to-PCI bridge) devices */
#define PCIR_PRIBUS_1 0x18U