Hi, everybody
I encountered some problems when using ivshmem-demo. How should I set the
value of pci_mmconfig_base?
my rootcell:
*.platform_info = { .pci_mmconfig_base = 0x7BC00000, .pci_mmconfig_end_bus
= 0, .pci_is_virtual = 1, .pci_domain = 1, .arm = { .gic_version = 3,*
.......
my linux dts:
*&reserved_memory { jailhouse: jailhouse@0x70000000{ reg = <0x0 0x70000000
0x0 0xBC00000>; alignment = <0x1000>; no-map; status = "okay"; };
pci_reserved: pci@0x7BC00000{ reg = <0x0 0x7BC00000 0x0 0x00200000>;
alignment = <0x1000>; no-map; status = "okay"; };};*
Kernel output after inserting jailhouse.ko
*[ 264.612191] jailhouse: loading out-of-tree module taints kernel.[
264.624958] pci-host-generic 7bc00000.pci: host bridge /pci@0 ranges:[
264.625007] pci-host-generic 7bc00000.pci: MEM
0x007bd00000..0x007bd01fff -> 0x007bd00000[ 264.625028] pci-host-generic
7bc00000.pci: resource collision: [mem 0x7bd00000-0x7bd01fff] conflicts
with reserved [mem 0x70000000-0x7bdfffff][ 264.625051] pci-host-generic:
probe of 7bc00000.pci failed with error -12[ 264.625475] The Jailhouse is
opening.[ 264.792429] psci: CPU3 killed (polled 0 ms)[ 264.794210]
Created Jailhouse cell "inmate-demo"*
The operating environment is arm64, linux5.10.160
*How should I set the value of pci_mmconfig_base?*
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