From e42bc32ad5453faa9afe99628b4fad5f1bcc59e7 Mon Sep 17 00:00:00 2001 From: Keir Fraser Date: Wed, 26 Mar 2008 19:00:57 +0000 Subject: x86_emulate: Clean up HVM emulated I/O handling. Signed-off-by: Keir Fraser --- xen/include/asm-x86/hvm/vcpu.h | 12 +++++++++--- 1 file changed, 9 insertions(+), 3 deletions(-) (limited to 'xen/include/asm-x86/hvm/vcpu.h') diff --git a/xen/include/asm-x86/hvm/vcpu.h b/xen/include/asm-x86/hvm/vcpu.h index 7439434b85..0c76551575 100644 --- a/xen/include/asm-x86/hvm/vcpu.h +++ b/xen/include/asm-x86/hvm/vcpu.h @@ -29,6 +29,14 @@ #define HVM_VCPU_INIT_SIPI_SIPI_STATE_NORM 0 #define HVM_VCPU_INIT_SIPI_SIPI_STATE_WAIT_SIPI 1 +enum hvm_io_state { + HVMIO_none = 0, + HVMIO_dispatched, + HVMIO_awaiting_completion, + HVMIO_handle_mmio_awaiting_completion, + HVMIO_completed +}; + struct hvm_vcpu { /* Guest control-register and EFER values, just as the guest sees them. */ unsigned long guest_cr[5]; @@ -70,9 +78,7 @@ struct hvm_vcpu { u8 cache_mode; /* I/O request in flight to device model. */ - bool_t mmio_in_progress; - bool_t io_in_progress; - bool_t io_completed; + enum hvm_io_state io_state; unsigned long io_data; }; -- cgit v1.2.3