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-rw-r--r--include/asm-powerpc/firmware.h103
1 files changed, 103 insertions, 0 deletions
diff --git a/include/asm-powerpc/firmware.h b/include/asm-powerpc/firmware.h
new file mode 100644
index 00000000000..12fabbcb04f
--- /dev/null
+++ b/include/asm-powerpc/firmware.h
@@ -0,0 +1,103 @@
+/*
+ * Copyright (C) 2001 Ben. Herrenschmidt (benh@kernel.crashing.org)
+ *
+ * Modifications for ppc64:
+ * Copyright (C) 2003 Dave Engebretsen <engebret@us.ibm.com>
+ *
+ * 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 __ASM_POWERPC_FIRMWARE_H
+#define __ASM_POWERPC_FIRMWARE_H
+
+#ifdef __KERNEL__
+
+#ifndef __ASSEMBLY__
+
+/* firmware feature bitmask values */
+#define FIRMWARE_MAX_FEATURES 63
+
+#define FW_FEATURE_PFT (1UL<<0)
+#define FW_FEATURE_TCE (1UL<<1)
+#define FW_FEATURE_SPRG0 (1UL<<2)
+#define FW_FEATURE_DABR (1UL<<3)
+#define FW_FEATURE_COPY (1UL<<4)
+#define FW_FEATURE_ASR (1UL<<5)
+#define FW_FEATURE_DEBUG (1UL<<6)
+#define FW_FEATURE_TERM (1UL<<7)
+#define FW_FEATURE_PERF (1UL<<8)
+#define FW_FEATURE_DUMP (1UL<<9)
+#define FW_FEATURE_INTERRUPT (1UL<<10)
+#define FW_FEATURE_MIGRATE (1UL<<11)
+#define FW_FEATURE_PERFMON (1UL<<12)
+#define FW_FEATURE_CRQ (1UL<<13)
+#define FW_FEATURE_VIO (1UL<<14)
+#define FW_FEATURE_RDMA (1UL<<15)
+#define FW_FEATURE_LLAN (1UL<<16)
+#define FW_FEATURE_BULK (1UL<<17)
+#define FW_FEATURE_XDABR (1UL<<18)
+#define FW_FEATURE_MULTITCE (1UL<<19)
+#define FW_FEATURE_SPLPAR (1UL<<20)
+#define FW_FEATURE_ISERIES (1UL<<21)
+
+enum {
+#ifdef CONFIG_PPC64
+ FW_FEATURE_PSERIES_POSSIBLE = FW_FEATURE_PFT | FW_FEATURE_TCE |
+ FW_FEATURE_SPRG0 | FW_FEATURE_DABR | FW_FEATURE_COPY |
+ FW_FEATURE_ASR | FW_FEATURE_DEBUG | FW_FEATURE_TERM |
+ FW_FEATURE_PERF | FW_FEATURE_DUMP | FW_FEATURE_INTERRUPT |
+ FW_FEATURE_MIGRATE | FW_FEATURE_PERFMON | FW_FEATURE_CRQ |
+ FW_FEATURE_VIO | FW_FEATURE_RDMA | FW_FEATURE_LLAN |
+ FW_FEATURE_BULK | FW_FEATURE_XDABR | FW_FEATURE_MULTITCE |
+ FW_FEATURE_SPLPAR,
+ FW_FEATURE_PSERIES_ALWAYS = 0,
+ FW_FEATURE_ISERIES_POSSIBLE = FW_FEATURE_ISERIES,
+ FW_FEATURE_ISERIES_ALWAYS = FW_FEATURE_ISERIES,
+ FW_FEATURE_POSSIBLE =
+#ifdef CONFIG_PPC_PSERIES
+ FW_FEATURE_PSERIES_POSSIBLE |
+#endif
+#ifdef CONFIG_PPC_ISERIES
+ FW_FEATURE_ISERIES_POSSIBLE |
+#endif
+ 0,
+ FW_FEATURE_ALWAYS =
+#ifdef CONFIG_PPC_PSERIES
+ FW_FEATURE_PSERIES_ALWAYS &
+#endif
+#ifdef CONFIG_PPC_ISERIES
+ FW_FEATURE_ISERIES_ALWAYS &
+#endif
+ FW_FEATURE_POSSIBLE,
+
+#else /* CONFIG_PPC64 */
+ FW_FEATURE_POSSIBLE = 0,
+ FW_FEATURE_ALWAYS = 0,
+#endif
+};
+
+/* This is used to identify firmware features which are available
+ * to the kernel.
+ */
+extern unsigned long ppc64_firmware_features;
+
+static inline unsigned long firmware_has_feature(unsigned long feature)
+{
+ return (FW_FEATURE_ALWAYS & feature) ||
+ (FW_FEATURE_POSSIBLE & ppc64_firmware_features & feature);
+}
+
+#ifdef CONFIG_PPC_PSERIES
+typedef struct {
+ unsigned long val;
+ char * name;
+} firmware_feature_t;
+
+extern firmware_feature_t firmware_features_table[];
+#endif
+
+#endif /* __ASSEMBLY__ */
+#endif /* __KERNEL__ */
+#endif /* __ASM_POWERPC_FIRMWARE_H */