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dm: Add vm_clear_ioreq to clear ioreq status

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VHM will provide a ioctl to clear all IO requests' status. This is
useful to handle ioreqs in VM normal reboot and emergency reboot.

Tracked-On: #1821
Signed-off-by: Shuo Liu <shuo.a.liu@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>
This commit is contained in:
Shuo Liu
2018-10-15 10:24:44 +08:00
committed by wenlingz
parent 1274fca008
commit 2d1ddd8876
4 changed files with 27 additions and 59 deletions
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1
devicemodel/include/public/vhm_ioctl_defs.h
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@@ -88,6 +88,7 @@
#define IC_CREATE_IOREQ_CLIENT _IC_ID(IC_ID, IC_ID_IOREQ_BASE + 0x02)
#define IC_ATTACH_IOREQ_CLIENT _IC_ID(IC_ID, IC_ID_IOREQ_BASE + 0x03)
#define IC_DESTROY_IOREQ_CLIENT _IC_ID(IC_ID, IC_ID_IOREQ_BASE + 0x04)
#define IC_CLEAR_VM_IOREQ _IC_ID(IC_ID, IC_ID_IOREQ_BASE + 0x05)
/* Guest memory management */
#define IC_ID_MEM_BASE 0x40UL