powerpc: Split systemcfg struct definitions out from vdso

The systemcfg data has nothing to do anymore with the vdso.
Split it into a dedicated header file.

Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/all/20241010-vdso-generic-base-v1-27-b64f0842d512@linutronix.de

diff --git a/arch/powerpc/include/asm/systemcfg.h b/arch/powerpc/include/asm/systemcfg.h
new file mode 100644 (file)
index 0000000..2f9b1d6
--- /dev/null
+++ b/arch/powerpc/include/asm/systemcfg.h
@@ -0,0 +1,52 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+#ifndef _SYSTEMCFG_H
+#define _SYSTEMCFG_H
+
+/*
+ * Copyright (C) 2002 Peter Bergner <bergner@vnet.ibm.com>, IBM
+ * Copyright (C) 2005 Benjamin Herrenschmidy <benh@kernel.crashing.org>,
+ *                   IBM Corp.
+ */
+
+#ifdef CONFIG_PPC64
+
+/*
+ * If the major version changes we are incompatible.
+ * Minor version changes are a hint.
+ */
+#define SYSTEMCFG_MAJOR 1
+#define SYSTEMCFG_MINOR 1
+
+#include <linux/types.h>
+
+struct systemcfg {
+       __u8  eye_catcher[16];          /* Eyecatcher: SYSTEMCFG:PPC64  0x00 */
+       struct {                        /* Systemcfg version numbers         */
+               __u32 major;            /* Major number                 0x10 */
+               __u32 minor;            /* Minor number                 0x14 */
+       } version;
+
+       /* Note about the platform flags: it now only contains the lpar
+        * bit. The actual platform number is dead and buried
+        */
+       __u32 platform;                 /* Platform flags               0x18 */
+       __u32 processor;                /* Processor type               0x1C */
+       __u64 processorCount;           /* # of physical processors     0x20 */
+       __u64 physicalMemorySize;       /* Size of real memory(B)       0x28 */
+       __u64 tb_orig_stamp;            /* (NU) Timebase at boot        0x30 */
+       __u64 tb_ticks_per_sec;         /* Timebase tics / sec          0x38 */
+       __u64 tb_to_xs;                 /* (NU) Inverse of TB to 2^20   0x40 */
+       __u64 stamp_xsec;               /* (NU)                         0x48 */
+       __u64 tb_update_count;          /* (NU) Timebase atomicity ctr  0x50 */
+       __u32 tz_minuteswest;           /* (NU) Min. west of Greenwich  0x58 */
+       __u32 tz_dsttime;               /* (NU) Type of dst correction  0x5C */
+       __u32 dcache_size;              /* L1 d-cache size              0x60 */
+       __u32 dcache_line_size;         /* L1 d-cache line size         0x64 */
+       __u32 icache_size;              /* L1 i-cache size              0x68 */
+       __u32 icache_line_size;         /* L1 i-cache line size         0x6C */
+};
+
+extern struct systemcfg *systemcfg;
+
+#endif /* CONFIG_PPC64 */
+#endif /* _SYSTEMCFG_H */

diff --git a/arch/powerpc/include/asm/vdso_datapage.h b/arch/powerpc/include/asm/vdso_datapage.h
index 8b91b1d34ff639a0efb80b9cdd7274f785643153..a9686310be2cb8c8229d67fed31f332d04919557 100644 (file)
--- a/arch/powerpc/include/asm/vdso_datapage.h
+++ b/arch/powerpc/include/asm/vdso_datapage.h
@@ -9,14 +9,6 @@
  *                   IBM Corp.
  */
 
-
-/*
- * If the major version changes we are incompatible.
- * Minor version changes are a hint.
- */
-#define SYSTEMCFG_MAJOR 1
-#define SYSTEMCFG_MINOR 1
-
 #ifndef __ASSEMBLY__
 
 #include <linux/unistd.h>
@@ -27,35 +19,6 @@
 
 #ifdef CONFIG_PPC64
 
-struct systemcfg {
-       __u8  eye_catcher[16];          /* Eyecatcher: SYSTEMCFG:PPC64  0x00 */
-       struct {                        /* Systemcfg version numbers         */
-               __u32 major;            /* Major number                 0x10 */
-               __u32 minor;            /* Minor number                 0x14 */
-       } version;
-
-       /* Note about the platform flags: it now only contains the lpar
-        * bit. The actual platform number is dead and buried
-        */
-       __u32 platform;                 /* Platform flags               0x18 */
-       __u32 processor;                /* Processor type               0x1C */
-       __u64 processorCount;           /* # of physical processors     0x20 */
-       __u64 physicalMemorySize;       /* Size of real memory(B)       0x28 */
-       __u64 tb_orig_stamp;            /* (NU) Timebase at boot        0x30 */
-       __u64 tb_ticks_per_sec;         /* Timebase tics / sec          0x38 */
-       __u64 tb_to_xs;                 /* (NU) Inverse of TB to 2^20   0x40 */
-       __u64 stamp_xsec;               /* (NU)                         0x48 */
-       __u64 tb_update_count;          /* (NU) Timebase atomicity ctr  0x50 */
-       __u32 tz_minuteswest;           /* (NU) Min. west of Greenwich  0x58 */
-       __u32 tz_dsttime;               /* (NU) Type of dst correction  0x5C */
-       __u32 dcache_size;              /* L1 d-cache size              0x60 */
-       __u32 dcache_line_size;         /* L1 d-cache line size         0x64 */
-       __u32 icache_size;              /* L1 i-cache size              0x68 */
-       __u32 icache_line_size;         /* L1 i-cache line size         0x6C */
-};
-
-extern struct systemcfg *systemcfg;
-
 struct vdso_arch_data {
        __u64 tb_ticks_per_sec;                 /* Timebase tics / sec */
        __u32 dcache_block_size;                /* L1 d-cache block size     */

diff --git a/arch/powerpc/kernel/proc_powerpc.c b/arch/powerpc/kernel/proc_powerpc.c
index e8083e05a1d03f74d9f24bac99e3ab526368c8e2..3816a2bf2b844ff49f6fd22cc42e733d5ef72b36 100644 (file)
--- a/arch/powerpc/kernel/proc_powerpc.c
+++ b/arch/powerpc/kernel/proc_powerpc.c
@@ -13,6 +13,7 @@
 #include <asm/machdep.h>
 #include <asm/vdso_datapage.h>
 #include <asm/rtas.h>
+#include <asm/systemcfg.h>
 #include <linux/uaccess.h>
 
 #ifdef CONFIG_PPC64_PROC_SYSTEMCFG

diff --git a/arch/powerpc/kernel/setup-common.c b/arch/powerpc/kernel/setup-common.c
index d0b32ff2bc8dedc5aa7afce17f07a5c7c255387c..0b732d3b283b199b19e078d45ffe4cb0325b7e63 100644 (file)
--- a/arch/powerpc/kernel/setup-common.c
+++ b/arch/powerpc/kernel/setup-common.c
@@ -67,6 +67,7 @@
 #include <asm/cpu_has_feature.h>
 #include <asm/kasan.h>
 #include <asm/mce.h>
+#include <asm/systemcfg.h>
 
 #include "setup.h"
 

diff --git a/arch/powerpc/kernel/smp.c b/arch/powerpc/kernel/smp.c
index 87ae45bf1045d8974e3eed09e284bc582310f3e2..5ac7084eebc0b8c5ab16d96c89cadde953003431 100644 (file)
--- a/arch/powerpc/kernel/smp.c
+++ b/arch/powerpc/kernel/smp.c
@@ -61,6 +61,7 @@
 #include <asm/ftrace.h>
 #include <asm/kup.h>
 #include <asm/fadump.h>
+#include <asm/systemcfg.h>
 
 #include <trace/events/ipi.h>
 

diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c
index 7d18eb83198b7d88788bd1c6f090c388377c8ada..0727332ad86fbcfcf8ca18b344ba04381e827c79 100644 (file)
--- a/arch/powerpc/kernel/time.c
+++ b/arch/powerpc/kernel/time.c
@@ -71,6 +71,7 @@
 #include <asm/vdso_datapage.h>
 #include <asm/firmware.h>
 #include <asm/mce.h>
+#include <asm/systemcfg.h>
 
 /* powerpc clocksource/clockevent code */
 

diff --git a/arch/powerpc/platforms/powernv/smp.c b/arch/powerpc/platforms/powernv/smp.c
index 672209428b98459ef0a5595c0ec7128a5c5f17a2..2e9da58195f51ccfc13b5e0b95d2626937186a3e 100644 (file)
--- a/arch/powerpc/platforms/powernv/smp.c
+++ b/arch/powerpc/platforms/powernv/smp.c
@@ -36,6 +36,7 @@
 #include <asm/kexec.h>
 #include <asm/reg.h>
 #include <asm/powernv.h>
+#include <asm/systemcfg.h>
 
 #include "powernv.h"
 

diff --git a/arch/powerpc/platforms/pseries/hotplug-cpu.c b/arch/powerpc/platforms/pseries/hotplug-cpu.c
index 7b80d35d045dc9d947c0b512a58a82ef7398150d..bc6926dbf14890881eacf4eb8df010d2f465c79f 100644 (file)
--- a/arch/powerpc/platforms/pseries/hotplug-cpu.c
+++ b/arch/powerpc/platforms/pseries/hotplug-cpu.c
@@ -33,6 +33,7 @@
 #include <asm/xive.h>
 #include <asm/plpar_wrappers.h>
 #include <asm/topology.h>
+#include <asm/systemcfg.h>
 
 #include "pseries.h"