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dm: support asyncio in ioeventfd

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Add a new flag in ioeventfd ioctl to support asyncio. After that, the IO
request will be processed in asyncio path by kernel and hypervisor.

Tracked-On: #8209
Signed-off-by: Conghui <conghui.chen@intel.com>
Acked-by: Wang, Yu1 <yu1.wang@intel.com>
This commit is contained in:
Conghui
2022-08-24 10:09:23 +08:00
committed by acrnsi-robot
parent 0f599e8d56
commit 0ec9aaea6f
2 changed files with 6 additions and 1 deletions
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devicemodel/include/public/hsm_ioctl_defs.h
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@@ -226,6 +226,7 @@ struct acrn_ioeventfd {
#define ACRN_IOEVENTFD_FLAG_PIO 0x01
#define ACRN_IOEVENTFD_FLAG_DATAMATCH 0x02
#define ACRN_IOEVENTFD_FLAG_DEASSIGN 0x04
#define ACRN_IOEVENTFD_FLAG_ASYNCIO 0x08
/** file descriptor of the eventfd of this ioeventfd */
int32_t fd;
/** flag for ioeventfd ioctl */