git: 473ab212dc1f - main - Allow psci.h to be used by userspace

From: Andrew Turner <andrew_at_FreeBSD.org>
Date: Thu, 16 Mar 2023 13:17:10 UTC
The branch main has been updated by andrew:

URL: https://cgit.FreeBSD.org/src/commit/?id=473ab212dc1f72c1765f112568237d229d4e0441

commit 473ab212dc1f72c1765f112568237d229d4e0441
Author:     Andrew Turner <andrew@FreeBSD.org>
AuthorDate: 2023-03-16 12:08:32 +0000
Commit:     Andrew Turner <andrew@FreeBSD.org>
CommitDate: 2023-03-16 13:08:00 +0000

    Allow psci.h to be used by userspace
    
    Wrap parts of psci.h that aren't usable by userspace in _KERNEL checks.
    This allows it to be used to implement PSCI and SMCCC by bhyve in
    userspace.
    
    Sponsored by:   Arm Ltd
    Sponsored by:   Innovate UK
    Sponsored by:   The FreeBSD Foundation
---
 sys/dev/psci/psci.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/sys/dev/psci/psci.h b/sys/dev/psci/psci.h
index 8004498426c5..be5f55f49115 100644
--- a/sys/dev/psci/psci.h
+++ b/sys/dev/psci/psci.h
@@ -32,6 +32,7 @@
 #include <sys/types.h>
 #include <dev/psci/smccc.h>
 
+#ifdef _KERNEL
 typedef int (*psci_initfn_t)(device_t dev, int default_version);
 typedef int (*psci_callfn_t)(register_t, register_t, register_t, register_t,
 	register_t, register_t, register_t, register_t,
@@ -52,6 +53,7 @@ psci_call(register_t a, register_t b, register_t c, register_t d)
 
 	return (psci_callfn(a, b, c, d, 0, 0, 0, 0, NULL));
 }
+#endif
 
 /*
  * PSCI return codes.
@@ -102,6 +104,7 @@ psci_call(register_t a, register_t b, register_t c, register_t d)
 #define	PSCI_VER_MAJOR(v)		(((v) >> 16) & 0xFF)
 #define	PSCI_VER_MINOR(v)		((v) & 0xFF)
 
+#ifdef _KERNEL
 enum psci_fn {
 	PSCI_FN_VERSION,
 	PSCI_FN_CPU_SUSPEND,
@@ -115,5 +118,6 @@ enum psci_fn {
 	PSCI_FN_SYSTEM_RESET,
 	PSCI_FN_MAX
 };
+#endif
 
 #endif /* _MACHINE_PSCI_H_ */