Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / arch / powerpc / include / uapi / asm / nvram.h

diff --git a/kernel/arch/powerpc/include/uapi/asm/nvram.h b/kernel/arch/powerpc/include/uapi/asm/nvram.h
new file mode 100644 (file)
index 0000000..608bdc8
--- /dev/null
+++ b/kernel/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 */