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hv: Replace dynamic memory allocation for I/O bitmaps

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-- Replace pointer with static memory for io_bitmap
  inside structure vm_arch.
-- Refine allow_guest_pio_access/deny_guest_pio_access

Tracked-On: #861
Signed-off-by: Mingqiang Chi <mingqiang.chi@intel.com>
Reviewed-by: Anthony Xu <anthony.xu@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>
This commit is contained in:
Mingqiang Chi
2018-09-07 14:11:08 +08:00
committed by lijinxia
parent eada04b800
commit 02e7edc063
5 changed files with 25 additions and 42 deletions
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3
hypervisor/include/arch/x86/ioreq.h
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@@ -112,7 +112,8 @@ struct mem_io_node {
int32_t pio_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_arg, uint32_t nbytes);
void allow_guest_pio_access(struct vm *vm, uint16_t port_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);