diff options
| author | Nuno Das Neves <nunodasneves@linux.microsoft.com> | 2025-03-14 22:28:54 +0300 |
|---|---|---|
| committer | Wei Liu <wei.liu@kernel.org> | 2025-03-21 00:23:04 +0300 |
| commit | e2575ffe57ac07e730be16a6c451efca0471af7c (patch) | |
| tree | 02074c0be783ab4b336304ea81d4a4a144fd0b3d /include | |
| parent | 04df7ac39943aa1f503d99572782689d356e3e63 (diff) | |
| download | linux-e2575ffe57ac07e730be16a6c451efca0471af7c.tar.xz | |
x86: hyperv: Add mshv_handler() irq handler and setup function
Add mshv_handler() to process messages related to managing guest
partitions such as intercepts, doorbells, and scheduling messages.
In a (non-nested) root partition, the same interrupt vector is shared
between the vmbus and mshv_root drivers.
Introduce a stub for mshv_handler() and call it in
sysvec_hyperv_callback alongside vmbus_handler().
Even though both handlers will be called for every Hyper-V interrupt,
the messages for each driver are delivered to different offsets
within the SYNIC message page, so they won't step on each other.
Signed-off-by: Nuno Das Neves <nunodasneves@linux.microsoft.com>
Reviewed-by: Wei Liu <wei.liu@kernel.org>
Reviewed-by: Tianyu Lan <tiala@microsoft.com>
Reviewed-by: Stanislav Kinsburskii <skinsburskii@linux.microsoft.com>
Link: https://lore.kernel.org/r/1741980536-3865-9-git-send-email-nunodasneves@linux.microsoft.com
Signed-off-by: Wei Liu <wei.liu@kernel.org>
Message-ID: <1741980536-3865-9-git-send-email-nunodasneves@linux.microsoft.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/asm-generic/mshyperv.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/asm-generic/mshyperv.h b/include/asm-generic/mshyperv.h index 8519b8ec8e9d..ccccb1cbf7df 100644 --- a/include/asm-generic/mshyperv.h +++ b/include/asm-generic/mshyperv.h @@ -208,6 +208,7 @@ void hv_setup_kexec_handler(void (*handler)(void)); void hv_remove_kexec_handler(void); void hv_setup_crash_handler(void (*handler)(struct pt_regs *regs)); void hv_remove_crash_handler(void); +void hv_setup_mshv_handler(void (*handler)(void)); extern int vmbus_interrupt; extern int vmbus_irq; |