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authorMarcelo Tosatti <mtosatti@redhat.com>2012-10-29 19:15:32 -0200
committerMarcelo Tosatti <mtosatti@redhat.com>2012-10-29 19:15:32 -0200
commit19bf7f8ac3f8131100027281c495dbbe00cd5ae0 (patch)
tree270b97e3ca47c0f62a1babca2ae37f79a76a309c /arch/powerpc/include/uapi/asm/nvram.h
parent787c57c0fb393fe8a3974d300ddcfe30373386fe (diff)
parent35fd3dc58da675d659513384221349ef90749a01 (diff)
Merge remote-tracking branch 'master' into queue
Merge reason: development work has dependency on kvm patches merged upstream. Conflicts: arch/powerpc/include/asm/Kbuild arch/powerpc/include/asm/kvm_para.h Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Diffstat (limited to 'arch/powerpc/include/uapi/asm/nvram.h')
-rw-r--r--arch/powerpc/include/uapi/asm/nvram.h62
1 files changed, 62 insertions, 0 deletions
diff --git a/arch/powerpc/include/uapi/asm/nvram.h b/arch/powerpc/include/uapi/asm/nvram.h
new file mode 100644
index 000000000000..608bdc8aedd1
--- /dev/null
+++ b/arch/powerpc/include/uapi/asm/nvram.h
@@ -0,0 +1,62 @@
+/*
+ * NVRAM definitions and access functions.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+
+#ifndef _UAPI_ASM_POWERPC_NVRAM_H
+#define _UAPI_ASM_POWERPC_NVRAM_H
+
+/* Signatures for nvram partitions */
+#define NVRAM_SIG_SP 0x02 /* support processor */
+#define NVRAM_SIG_OF 0x50 /* open firmware config */
+#define NVRAM_SIG_FW 0x51 /* general firmware */
+#define NVRAM_SIG_HW 0x52 /* hardware (VPD) */
+#define NVRAM_SIG_FLIP 0x5a /* Apple flip/flop header */
+#define NVRAM_SIG_APPL 0x5f /* Apple "system" (???) */
+#define NVRAM_SIG_SYS 0x70 /* system env vars */
+#define NVRAM_SIG_CFG 0x71 /* config data */
+#define NVRAM_SIG_ELOG 0x72 /* error log */
+#define NVRAM_SIG_VEND 0x7e /* vendor defined */
+#define NVRAM_SIG_FREE 0x7f /* Free space */
+#define NVRAM_SIG_OS 0xa0 /* OS defined */
+#define NVRAM_SIG_PANIC 0xa1 /* Apple OSX "panic" */
+
+
+/* PowerMac specific nvram stuffs */
+
+enum {
+ pmac_nvram_OF, /* Open Firmware partition */
+ pmac_nvram_XPRAM, /* MacOS XPRAM partition */
+ pmac_nvram_NR /* MacOS Name Registry partition */
+};
+
+
+/* Some offsets in XPRAM */
+#define PMAC_XPRAM_MACHINE_LOC 0xe4
+#define PMAC_XPRAM_SOUND_VOLUME 0x08
+
+/* Machine location structure in PowerMac XPRAM */
+struct pmac_machine_location {
+ unsigned int latitude; /* 2+30 bit Fractional number */
+ unsigned int longitude; /* 2+30 bit Fractional number */
+ unsigned int delta; /* mix of GMT delta and DLS */
+};
+
+/*
+ * /dev/nvram ioctls
+ *
+ * Note that PMAC_NVRAM_GET_OFFSET is still supported, but is
+ * definitely obsolete. Do not use it if you can avoid it
+ */
+
+#define OBSOLETE_PMAC_NVRAM_GET_OFFSET \
+ _IOWR('p', 0x40, int)
+
+#define IOC_NVRAM_GET_OFFSET _IOWR('p', 0x42, int) /* Get NVRAM partition offset */
+#define IOC_NVRAM_SYNC _IO('p', 0x43) /* Sync NVRAM image */
+
+#endif /* _UAPI_ASM_POWERPC_NVRAM_H */