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HV Cx: allow guest to access host idle port

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with this patch guest could access idle io port and enter idle normally.

Signed-off-by: Victor Sun <victor.sun@intel.com>
Acked-by: Kevin Tian <kevin.tian@intel.com>
This commit is contained in:
Victor Sun
2018-04-27 11:53:23 +08:00
committed by Jack Ren
parent ebf184f038
commit 8b29ce1991
3 changed files with 33 additions and 0 deletions
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hypervisor/include/arch/x86/io.h
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@@ -170,6 +170,7 @@ struct vm_io_handler {
int io_instr_vmexit_handler(struct vcpu *vcpu);
void setup_io_bitmap(struct vm *vm);
void free_io_emulation_resource(struct vm *vm);
void allow_guest_io_access(struct vm *vm, uint32_t address, uint32_t nbytes);
void register_io_emulation_handler(struct vm *vm, struct vm_io_range *range,
io_read_fn_t io_read_fn_ptr,
io_write_fn_t io_write_fn_ptr);