Li Fei1 7c82efb938 hv: pci: add some pre-assumption and safety check for PCIe ECAM ... Add some pre-assumption and safety check for PCIe ECAM: 1) ACRN only support platforms with PCIe ECAM to access PCIe device CFG space; 2) Must not use ECAM to access PCIe device CFG space before pci_switch_to_mmio_cfg_ops was called. (In release version, ACRN didn't support IO port Mechanism. ECAM is the only way to access the PCIe device CFG space). Tracked-On: #4371 Signed-off-by: Li Fei1 <fei1.li@intel.com>		2020-03-05 15:42:53 +08:00
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pci.c	hv: pci: add some pre-assumption and safety check for PCIe ECAM	2020-03-05 15:42:53 +08:00