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mshv: expose the scrub partition hypercall

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This hypercall needs to be exposed for VMMs to soft-reboot guests. It
will reset APIC and synthetic interrupt controller state, among others.

Signed-off-by: Magnus Kulke <magnuskulke@linux.microsoft.com>
Signed-off-by: Wei Liu <wei.liu@kernel.org>
This commit is contained in:
Magnus Kulke
2026-02-18 23:32:17 +00:00
committed by Wei Liu
parent 4bef6b28ba
commit 36d6cbb621
2 changed files with 2 additions and 0 deletions
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1
drivers/hv/mshv_root_main.c
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@@ -120,6 +120,7 @@ static u16 mshv_passthru_hvcalls[] = {
HVCALL_SET_VP_REGISTERS,
HVCALL_TRANSLATE_VIRTUAL_ADDRESS,
HVCALL_CLEAR_VIRTUAL_INTERRUPT,
HVCALL_SCRUB_PARTITION,
HVCALL_REGISTER_INTERCEPT_RESULT,
HVCALL_ASSERT_VIRTUAL_INTERRUPT,
HVCALL_GET_GPA_PAGES_ACCESS_STATES,

1
include/hyperv/hvgdk_mini.h
View File

@@ -474,6 +474,7 @@ union hv_vp_assist_msr_contents { /* HV_REGISTER_VP_ASSIST_PAGE */
#define HVCALL_NOTIFY_PARTITION_EVENT 0x0087
#define HVCALL_ENTER_SLEEP_STATE 0x0084
#define HVCALL_NOTIFY_PORT_RING_EMPTY 0x008b
#define HVCALL_SCRUB_PARTITION 0x008d
#define HVCALL_REGISTER_INTERCEPT_RESULT 0x0091
#define HVCALL_ASSERT_VIRTUAL_INTERRUPT 0x0094
#define HVCALL_CREATE_PORT 0x0095