From 36d6cbb62133fc6eea28f380409e0fb190f3dfbe Mon Sep 17 00:00:00 2001 From: Magnus Kulke Date: Wed, 18 Feb 2026 23:32:17 +0000 Subject: [PATCH] mshv: expose the scrub partition hypercall 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 Signed-off-by: Wei Liu --- drivers/hv/mshv_root_main.c | 1 + include/hyperv/hvgdk_mini.h | 1 + 2 files changed, 2 insertions(+) diff --git a/drivers/hv/mshv_root_main.c b/drivers/hv/mshv_root_main.c index c6ec88884728..e5d94398528e 100644 --- a/drivers/hv/mshv_root_main.c +++ b/drivers/hv/mshv_root_main.c @@ -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, diff --git a/include/hyperv/hvgdk_mini.h b/include/hyperv/hvgdk_mini.h index 30fbbde81c5c..d9aa5afb0a27 100644 --- a/include/hyperv/hvgdk_mini.h +++ b/include/hyperv/hvgdk_mini.h @@ -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 -- 2.30.2