git: 305ebed50b4e - main - linuxkpi: Define `system_state`

The branch main has been updated by dumbbell:

URL: https://cgit.FreeBSD.org/src/commit/?id=305ebed50b4e2e2346d211c5a65320fa45c7fbc4

commit 305ebed50b4e2e2346d211c5a65320fa45c7fbc4
Author:     Jean-Sébastien Pédron <dumbbell@FreeBSD.org>
AuthorDate: 2026-04-21 00:14:41 +0000
Commit:     Jean-Sébastien Pédron <dumbbell@FreeBSD.org>
CommitDate: 2026-04-22 18:09:55 +0000

    linuxkpi: Define `system_state`
    
    This is a global variable used to track the state of the system, like
    booting, running, halting and so on.
    
    This variable is based on the `enum system_states` enumeration.
    
    For now, always set `system_state` to `SYSTEM_RUNNING`.
    
    The amdgpu DRM driver started to use this in Linux 6.12.x.
    
    Reviewed by:    emaste
    Sponsored by:   The FreeBSD Foundation
    Differential Revision: https://reviews.freebsd.org/D56575
---
 sys/compat/linuxkpi/common/include/linux/kernel.h | 11 +++++++++++
 sys/compat/linuxkpi/common/src/linux_compat.c     |  2 ++
 2 files changed, 13 insertions(+)

diff --git a/sys/compat/linuxkpi/common/include/linux/kernel.h b/sys/compat/linuxkpi/common/include/linux/kernel.h
index e3ac4a05612c..5e94a5cee28c 100644
--- a/sys/compat/linuxkpi/common/include/linux/kernel.h
+++ b/sys/compat/linuxkpi/common/include/linux/kernel.h
@@ -384,4 +384,15 @@ might_fault(void)
 #define	non_block_start()	do { } while (0)
 #define	non_block_end()		do { } while (0)
 
+extern enum system_states {
+	SYSTEM_BOOTING,
+	SYSTEM_SCHEDULING,
+	SYSTEM_FREEING_INITMEM,
+	SYSTEM_RUNNING,
+	SYSTEM_HALT,
+	SYSTEM_POWER_OFF,
+	SYSTEM_RESTART,
+	SYSTEM_SUSPEND,
+} system_state;
+
 #endif	/* _LINUXKPI_LINUX_KERNEL_H_ */
diff --git a/sys/compat/linuxkpi/common/src/linux_compat.c b/sys/compat/linuxkpi/common/src/linux_compat.c
index 0c7032fa6e23..2fd502990eb3 100644
--- a/sys/compat/linuxkpi/common/src/linux_compat.c
+++ b/sys/compat/linuxkpi/common/src/linux_compat.c
@@ -167,6 +167,8 @@ wait_queue_head_t linux_var_waitq;
 
 const guid_t guid_null;
 
+enum system_states system_state = SYSTEM_RUNNING;
+
 int
 panic_cmp(struct rb_node *one, struct rb_node *two)
 {