Merge bk://jfs.bkbits.net/linux-2.5

into home.transmeta.com:/home/torvalds/v2.5/linux
author: Linus Torvalds <torvalds@home.transmeta.com> 2002-09-12 00:35:47 -0700
committer: Linus Torvalds <torvalds@home.transmeta.com> 2002-09-12 00:35:47 -0700
commit: da4c77fcc28bf973867683e8f3dd056f3ff214f0 (patch)
tree: a9cac69265fb9cdf3fbe17826ce72f80ea303575 /include
parent: 8916919b9d826f4ac881c5b938bf07d3fa34388e (diff)
parent: c3b72b7df571cf2c525aaea1298b674691927748 (diff)
118 files changed, 3192 insertions, 519 deletions
diff --git a/include/asm-alpha/hdreg.h b/include/asm-alpha/hdreg.h
index 2d9454754910..81d8a40802c3 100644
--- a/include/asm-alpha/hdreg.h
+++ b/include/asm-alpha/hdreg.h
@@ -7,6 +7,6 @@
 #ifndef __ASMalpha_HDREG_H
 #define __ASMalpha_HDREG_H
 
-typedef unsigned short ide_ioreg_t;
+typedef unsigned long ide_ioreg_t;
 
 #endif /* __ASMalpha_HDREG_H */
diff --git a/include/asm-alpha/signal.h b/include/asm-alpha/signal.h
index 8730c4b833fe..07f843f72edc 100644
--- a/include/asm-alpha/signal.h
+++ b/include/asm-alpha/signal.h
@@ -186,7 +186,6 @@ struct sigstack {
 #ifdef __KERNEL__
 #include <asm/sigcontext.h>
 
-#define HAVE_ARCH_GET_SIGNAL_TO_DELIVER
 #define HAVE_ARCH_SYS_PAUSE
 
 #endif
diff --git a/include/asm-alpha/system.h b/include/asm-alpha/system.h
index 8e5848df6369..6342ed4efdbd 100644
--- a/include/asm-alpha/system.h
+++ b/include/asm-alpha/system.h
@@ -311,6 +311,8 @@ extern int __min_ipl;
 #define local_irq_save(flags)	do { (flags) = swpipl(IPL_MAX); barrier(); } while(0)
 #define local_irq_restore(flags)	do { barrier(); setipl(flags); barrier(); } while(0)
 
+#define irqs_disabled()	(getipl() == IPL_MAX)
+
 /*
  * TB routines..
  */
diff --git a/include/asm-arm/hdreg.h b/include/asm-arm/hdreg.h
index a2d301dd5361..81bc05e16260 100644
--- a/include/asm-arm/hdreg.h
+++ b/include/asm-arm/hdreg.h
@@ -7,7 +7,7 @@
 #ifndef __ASMARM_HDREG_H
 #define __ASMARM_HDREG_H
 
-typedef unsigned int ide_ioreg_t;
+typedef unsigned long ide_ioreg_t;
 
 #endif /* __ASMARM_HDREG_H */
 
diff --git a/include/asm-i386/hdreg.h b/include/asm-i386/hdreg.h
index 1ad5c073941c..4760b0453b8e 100644
--- a/include/asm-i386/hdreg.h
+++ b/include/asm-i386/hdreg.h
@@ -7,6 +7,6 @@
 #ifndef __ASMi386_HDREG_H
 #define __ASMi386_HDREG_H
 
-typedef unsigned short ide_ioreg_t;
+typedef unsigned long ide_ioreg_t;
 
 #endif /* __ASMi386_HDREG_H */
diff --git a/include/asm-i386/ide.h b/include/asm-i386/ide.h
index 6e78191eaa81..3f307acc50bd 100644
--- a/include/asm-i386/ide.h
+++ b/include/asm-i386/ide.h
@@ -77,20 +77,6 @@ static __inline__ void ide_init_default_hwifs(void)
 #endif
 }
 
-#define ide_request_irq(irq,hand,flg,dev,id)	request_irq((irq),(hand),(flg),(dev),(id))
-#define ide_free_irq(irq,dev_id)		free_irq((irq), (dev_id))
-#define ide_check_region(from,extent)		check_region((from), (extent))
-#define ide_request_region(from,extent,name)	request_region((from), (extent), (name))
-#define ide_release_region(from,extent)		release_region((from), (extent))
-
-/*
- * The following are not needed for the non-m68k ports
- */
-#define ide_ack_intr(hwif)		(1)
-#define ide_fix_driveid(id)		do {} while (0)
-#define ide_release_lock(lock)		do {} while (0)
-#define ide_get_lock(lock, hdlr, data)	do {} while (0)
-
 #endif /* __KERNEL__ */
 
 #endif /* __ASMi386_IDE_H */
diff --git a/include/asm-i386/unistd.h b/include/asm-i386/unistd.h
index 4b702bd8e683..1a095484bd32 100644
--- a/include/asm-i386/unistd.h
+++ b/include/asm-i386/unistd.h
@@ -254,6 +254,9 @@
 #define __NR_io_getevents	247
 #define __NR_io_submit		248
 #define __NR_io_cancel		249
+#define __NR_alloc_hugepages	250
+#define __NR_free_hugepages	251
+#define __NR_exit_group		252
 
 /* user-visible error numbers are in the range -1 - -124: see <asm-i386/errno.h> */
 
diff --git a/include/asm-parisc/hdreg.h b/include/asm-parisc/hdreg.h
index 629b220f2df0..f934c760bf0e 100644
--- a/include/asm-parisc/hdreg.h
+++ b/include/asm-parisc/hdreg.h
@@ -1,6 +1,6 @@
 #ifndef _ASM_HDREG_H
 #define _ASM_HDREG_H
 
-typedef unsigned short ide_ioreg_t;
+typedef unsigned long ide_ioreg_t;
 
 #endif
diff --git a/include/asm-ppc/hdreg.h b/include/asm-ppc/hdreg.h
index 9506c8293a4a..db83c662f3f0 100644
--- a/include/asm-ppc/hdreg.h
+++ b/include/asm-ppc/hdreg.h
@@ -14,7 +14,7 @@
 #ifndef __ASMPPC_HDREG_H
 #define __ASMPPC_HDREG_H
 
-typedef unsigned int ide_ioreg_t;
+typedef unsigned long ide_ioreg_t;
 
 #endif /* __ASMPPC_HDREG_H */
 
diff --git a/include/asm-sh/hdreg.h b/include/asm-sh/hdreg.h
index 1d417a15c17c..9112275e05f8 100644
--- a/include/asm-sh/hdreg.h
+++ b/include/asm-sh/hdreg.h
@@ -7,6 +7,6 @@
 #ifndef __ASM_SH_HDREG_H
 #define __ASM_SH_HDREG_H
 
-typedef unsigned int ide_ioreg_t;
+typedef unsigned long ide_ioreg_t;
 
 #endif /* __ASM_SH_HDREG_H */
diff --git a/include/asm-um/a.out.h b/include/asm-um/a.out.h
new file mode 100644
index 000000000000..2e208223f860
--- /dev/null
+++ b/include/asm-um/a.out.h
@@ -0,0 +1,18 @@
+#ifndef __UM_A_OUT_H
+#define __UM_A_OUT_H
+
+#include "asm/arch/a.out.h"
+
+#undef STACK_TOP
+
+extern unsigned long stacksizelim;
+
+extern unsigned long host_task_size;
+
+extern int honeypot;
+
+#define STACK_ROOM (stacksizelim)
+
+#define STACK_TOP (honeypot ? host_task_size : task_size)
+
+#endif
diff --git a/include/asm-um/arch-signal-i386.h b/include/asm-um/arch-signal-i386.h
new file mode 100644
index 000000000000..99a9de4728da
--- /dev/null
+++ b/include/asm-um/arch-signal-i386.h
@@ -0,0 +1,24 @@
+/* 
+ * Copyright (C) 2002 Jeff Dike (jdike@karaya.com)
+ * Licensed under the GPL
+ */
+
+#ifndef __UM_ARCH_SIGNAL_I386_H
+#define __UM_ARCH_SIGNAL_I386_H
+
+struct arch_signal_context {
+	unsigned long extrasigs[_NSIG_WORDS];
+};
+
+#endif
+
+/*
+ * Overrides for Emacs so that we follow Linus's tabbing style.
+ * Emacs will notice this stuff at the end of the file and automatically
+ * adjust the settings for this buffer only.  This must remain at the end
+ * of the file.
+ * ---------------------------------------------------------------------------
+ * Local variables:
+ * c-file-style: "linux"
+ * End:
+ */
diff --git a/include/asm-um/archparam-i386.h b/include/asm-um/archparam-i386.h
new file mode 100644
index 000000000000..e236cda82b7d
--- /dev/null
+++ b/include/asm-um/archparam-i386.h
@@ -0,0 +1,80 @@
+/* 
+ * Copyright (C) 2000, 2001 Jeff Dike (jdike@karaya.com)
+ * Licensed under the GPL
+ */
+
+#ifndef __UM_ARCHPARAM_I386_H
+#define __UM_ARCHPARAM_I386_H
+
+/********* Bits for asm-um/elf.h ************/
+
+#include "user.h"
+
+#define ELF_PLATFORM "i586"
+
+#define ELF_ET_DYN_BASE (2 * TASK_SIZE / 3)
+
+typedef struct user_i387_struct elf_fpregset_t;
+typedef unsigned long elf_greg_t;
+
+#define ELF_NGREG (sizeof (struct user_regs_struct) / sizeof(elf_greg_t))
+typedef elf_greg_t elf_gregset_t[ELF_NGREG];
+
+#define ELF_DATA        ELFDATA2LSB
+#define ELF_ARCH        EM_386
+
+#define ELF_PLAT_INIT(regs) do { \
+	PT_REGS_EBX(regs) = 0; \
+	PT_REGS_ECX(regs) = 0; \
+	PT_REGS_EDX(regs) = 0; \
+	PT_REGS_ESI(regs) = 0; \
+	PT_REGS_EDI(regs) = 0; \
+	PT_REGS_EBP(regs) = 0; \
+	PT_REGS_EAX(regs) = 0; \
+} while(0)
+
+/* Shamelessly stolen from include/asm-i386/elf.h */
+
+#define ELF_CORE_COPY_REGS(pr_reg, regs) do {	\
+	pr_reg[0] = PT_REGS_EBX(regs);		\
+	pr_reg[1] = PT_REGS_ECX(regs);		\
+	pr_reg[2] = PT_REGS_EDX(regs);		\
+	pr_reg[3] = PT_REGS_ESI(regs);		\
+	pr_reg[4] = PT_REGS_EDI(regs);		\
+	pr_reg[5] = PT_REGS_EBP(regs);		\
+	pr_reg[6] = PT_REGS_EAX(regs);		\
+	pr_reg[7] = PT_REGS_DS(regs);		\
+	pr_reg[8] = PT_REGS_ES(regs);		\
+	/* fake once used fs and gs selectors? */	\
+	pr_reg[9] = PT_REGS_DS(regs);		\
+	pr_reg[10] = PT_REGS_DS(regs);		\
+	pr_reg[11] = regs->regs.syscall;	\
+	pr_reg[12] = PT_REGS_IP(regs);		\
+	pr_reg[13] = PT_REGS_CS(regs);		\
+	pr_reg[14] = PT_REGS_EFLAGS(regs);	\
+	pr_reg[15] = PT_REGS_SP(regs);		\
+	pr_reg[16] = PT_REGS_SS(regs);		\
+} while(0);
+
+/********* Bits for asm-um/delay.h **********/
+
+typedef unsigned long um_udelay_t;
+
+/********* Nothing for asm-um/hardirq.h **********/
+
+/********* Nothing for asm-um/hw_irq.h **********/
+
+/********* Nothing for asm-um/string.h **********/
+
+#endif
+
+/*
+ * Overrides for Emacs so that we follow Linus's tabbing style.
+ * Emacs will notice this stuff at the end of the file and automatically
+ * adjust the settings for this buffer only.  This must remain at the end
+ * of the file.
+ * ---------------------------------------------------------------------------
+ * Local variables:
+ * c-file-style: "linux"
+ * End:
+ */
diff --git a/include/asm-um/archparam-ppc.h b/include/asm-um/archparam-ppc.h
new file mode 100644
index 000000000000..9b8b27e29551
--- /dev/null
+++ b/include/asm-um/archparam-ppc.h
@@ -0,0 +1,41 @@
+#ifndef __UM_ARCHPARAM_PPC_H
+#define __UM_ARCHPARAM_PPC_H
+
+/********* Bits for asm-um/elf.h ************/
+
+#define ELF_PLATFORM (0)
+
+#define ELF_ET_DYN_BASE (0x08000000)
+
+/* the following stolen from asm-ppc/elf.h */
+#define ELF_NGREG	48	/* includes nip, msr, lr, etc. */
+#define ELF_NFPREG	33	/* includes fpscr */
+/* General registers */
+typedef unsigned long elf_greg_t;
+typedef elf_greg_t elf_gregset_t[ELF_NGREG];
+
+/* Floating point registers */
+typedef double elf_fpreg_t;
+typedef elf_fpreg_t elf_fpregset_t[ELF_NFPREG];
+
+#define ELF_DATA        ELFDATA2MSB
+#define ELF_ARCH	EM_PPC
+
+/********* Bits for asm-um/delay.h **********/
+
+typedef unsigned int um_udelay_t;
+
+/********* Bits for asm-um/hw_irq.h **********/
+
+struct hw_interrupt_type;
+
+/********* Bits for asm-um/hardirq.h **********/
+
+#define irq_enter(cpu, irq) hardirq_enter(cpu)
+#define irq_exit(cpu, irq) hardirq_exit(cpu)
+
+/********* Bits for asm-um/string.h **********/
+
+#define __HAVE_ARCH_STRRCHR
+
+#endif
diff --git a/include/asm-um/atomic.h b/include/asm-um/atomic.h
new file mode 100644
index 000000000000..5e297acc8da5
--- /dev/null
+++ b/include/asm-um/atomic.h
@@ -0,0 +1,6 @@
+#ifndef __UM_ATOMIC_H
+#define __UM_ATOMIC_H
+
+#include "asm/arch/atomic.h"
+
+#endif
diff --git a/include/asm-um/bitops.h b/include/asm-um/bitops.h
new file mode 100644
index 000000000000..46d781953d3a
--- /dev/null
+++ b/include/asm-um/bitops.h
@@ -0,0 +1,6 @@
+#ifndef __UM_BITOPS_H
+#define __UM_BITOPS_H
+
+#include "asm/arch/bitops.h"
+
+#endif
diff --git a/include/asm-um/boot.h b/include/asm-um/boot.h
new file mode 100644
index 000000000000..09548c3e784e
--- /dev/null
+++ b/include/asm-um/boot.h
@@ -0,0 +1,6 @@
+#ifndef __UM_BOOT_H
+#define __UM_BOOT_H
+
+#include "asm/arch/boot.h"
+
+#endif
diff --git a/include/asm-um/bugs.h b/include/asm-um/bugs.h
new file mode 100644
index 000000000000..6a72e240d5fc
--- /dev/null
+++ b/include/asm-um/bugs.h
@@ -0,0 +1,6 @@
+#ifndef __UM_BUGS_H
+#define __UM_BUGS_H
+
+void check_bugs(void);
+
+#endif
diff --git a/include/asm-um/byteorder.h b/include/asm-um/byteorder.h
new file mode 100644
index 000000000000..eee0a834f447
--- /dev/null
+++ b/include/asm-um/byteorder.h
@@ -0,0 +1,6 @@
+#ifndef __UM_BYTEORDER_H
+#define __UM_BYTEORDER_H
+
+#include "asm/arch/byteorder.h"
+
+#endif
diff --git a/include/asm-um/cache.h b/include/asm-um/cache.h
new file mode 100644
index 000000000000..a4962992cf86
--- /dev/null
+++ b/include/asm-um/cache.h
@@ -0,0 +1,7 @@
+#ifndef __UM_CACHE_H
+#define __UM_CACHE_H
+
+#define L1_CACHE_SHIFT 5
+#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT)
+
+#endif
diff --git a/include/asm-um/cacheflush.h b/include/asm-um/cacheflush.h
new file mode 100644
index 000000000000..12e9d4b74c8f
--- /dev/null
+++ b/include/asm-um/cacheflush.h
@@ -0,0 +1,6 @@
+#ifndef __UM_CACHEFLUSH_H
+#define __UM_CACHEFLUSH_H
+
+#include "asm/arch/cacheflush.h"
+
+#endif
diff --git a/include/asm-um/checksum.h b/include/asm-um/checksum.h
new file mode 100644
index 000000000000..4b38f37c822e
--- /dev/null
+++ b/include/asm-um/checksum.h
@@ -0,0 +1,6 @@
+#ifndef __UM_CHECKSUM_H
+#define __UM_CHECKSUM_H
+
+#include "asm/arch/checksum.h"
+
+#endif
diff --git a/include/asm-um/cobalt.h b/include/asm-um/cobalt.h
new file mode 100644
index 000000000000..f813a684be98
--- /dev/null
+++ b/include/asm-um/cobalt.h
@@ -0,0 +1,6 @@
+#ifndef __UM_COBALT_H
+#define __UM_COBALT_H
+
+#include "asm/arch/cobalt.h"
+
+#endif
diff --git a/include/asm-um/current.h b/include/asm-um/current.h
new file mode 100644
index 000000000000..d62d55df3129
--- /dev/null
+++ b/include/asm-um/current.h
@@ -0,0 +1,34 @@
+/* 
+ * Copyright (C) 2000 Jeff Dike (jdike@karaya.com)
+ * Licensed under the GPL
+ */
+
+#ifndef __UM_CURRENT_H
+#define __UM_CURRENT_H
+
+#ifndef __ASSEMBLY__
+
+struct thread_info;
+
+#include "linux/config.h"
+#include "asm/page.h"
+
+#define CURRENT_THREAD(dummy) (((unsigned long) &dummy) & (PAGE_MASK << 2))
+
+#define current ({ int dummy; \
+                   ((struct thread_info *) CURRENT_THREAD(dummy))->task; })
+
+#endif /* __ASSEMBLY__ */
+
+#endif
+
+/*
+ * Overrides for Emacs so that we follow Linus's tabbing style.
+ * Emacs will notice this stuff at the end of the file and automatically
+ * adjust the settings for this buffer only.  This must remain at the end
+ * of the file.
+ * ---------------------------------------------------------------------------
+ * Local variables:
+ * c-file-style: "linux"
+ * End:
+ */
diff --git a/include/asm-um/delay.h b/include/asm-um/delay.h
new file mode 100644
index 000000000000..40695576ca60
--- /dev/null
+++ b/include/asm-um/delay.h
@@ -0,0 +1,7 @@
+#ifndef __UM_DELAY_H
+#define __UM_DELAY_H
+
+#include "asm/arch/delay.h"
+#include "asm/archparam.h"
+
+#endif
diff --git a/include/asm-um/desc.h b/include/asm-um/desc.h
new file mode 100644
index 000000000000..ac1d2a20d178
--- /dev/null
+++ b/include/asm-um/desc.h
@@ -0,0 +1,6 @@
+#ifndef __UM_DESC_H
+#define __UM_DESC_H
+
+#include "asm/arch/desc.h"
+
+#endif
diff --git a/include/asm-um/div64.h b/include/asm-um/div64.h
new file mode 100644
index 000000000000..1e17f7409cab
--- /dev/null
+++ b/include/asm-um/div64.h
@@ -0,0 +1,6 @@
+#ifndef _UM_DIV64_H
+#define _UM_DIV64_H
+
+#include "asm/arch/div64.h"
+
+#endif
diff --git a/include/asm-um/dma.h b/include/asm-um/dma.h
new file mode 100644
index 000000000000..9f6139a8a525
--- /dev/null
+++ b/include/asm-um/dma.h
@@ -0,0 +1,10 @@
+#ifndef __UM_DMA_H
+#define __UM_DMA_H
+
+#include "asm/io.h"
+
+extern unsigned long uml_physmem;
+
+#define MAX_DMA_ADDRESS (uml_physmem)
+
+#endif
diff --git a/include/asm-um/elf.h b/include/asm-um/elf.h
new file mode 100644
index 000000000000..f33a3533fef7
--- /dev/null
+++ b/include/asm-um/elf.h
@@ -0,0 +1,18 @@
+#ifndef __UM_ELF_H
+#define __UM_ELF_H
+
+#include "asm/archparam.h"
+
+#define ELF_HWCAP (0)
+
+#define SET_PERSONALITY(ex, ibcs2) do ; while(0)
+
+#define ELF_EXEC_PAGESIZE 4096
+
+#define elf_check_arch(x) (1)
+
+#define ELF_CLASS ELFCLASS32
+
+#define USE_ELF_CORE_DUMP
+
+#endif
diff --git a/include/asm-um/errno.h b/include/asm-um/errno.h
new file mode 100644
index 000000000000..b7a9e37fd8d8
--- /dev/null
+++ b/include/asm-um/errno.h
@@ -0,0 +1,6 @@
+#ifndef __UM_ERRNO_H
+#define __UM_ERRNO_H
+
+#include "asm/arch/errno.h"
+
+#endif
diff --git a/include/asm-um/fcntl.h b/include/asm-um/fcntl.h
new file mode 100644
index 000000000000..812a65446d92
--- /dev/null
+++ b/include/asm-um/fcntl.h
@@ -0,0 +1,6 @@
+#ifndef __UM_FCNTL_H
+#define __UM_FCNTL_H
+
+#include "asm/arch/fcntl.h"
+
+#endif
diff --git a/include/asm-um/floppy.h b/include/asm-um/floppy.h
new file mode 100644
index 000000000000..453e7415fb6f
--- /dev/null
+++ b/include/asm-um/floppy.h
@@ -0,0 +1,6 @@
+#ifndef __UM_FLOPPY_H
+#define __UM_FLOPPY_H
+
+#include "asm/arch/floppy.h"
+
+#endif
diff --git a/include/asm-um/hardirq.h b/include/asm-um/hardirq.h
new file mode 100644
index 000000000000..da49d29a5c5a
--- /dev/null
+++ b/include/asm-um/hardirq.h
@@ -0,0 +1,6 @@
+#ifndef __UM_HARDIRQ_H
+#define __UM_HARDIRQ_H
+
+#include "asm/arch/hardirq.h"
+
+#endif
diff --git a/include/asm-um/hdreg.h b/include/asm-um/hdreg.h
new file mode 100644
index 000000000000..cf6363abcab9
--- /dev/null
+++ b/include/asm-um/hdreg.h
@@ -0,0 +1,6 @@
+#ifndef __UM_HDREG_H
+#define __UM_HDREG_H
+
+#include "asm/arch/hdreg.h"
+
+#endif
diff --git a/include/asm-um/highmem.h b/include/asm-um/highmem.h
new file mode 100644
index 000000000000..6713fb2a4896
--- /dev/null
+++ b/include/asm-um/highmem.h
@@ -0,0 +1,6 @@
+#ifndef __UM_HIGHMEM_H
+#define __UM_HIGHMEM_H
+
+#include "asm/arch/highmem.h"
+
+#endif
diff --git a/include/asm-um/hw_irq.h b/include/asm-um/hw_irq.h
new file mode 100644
index 000000000000..4ee38c0b6a64
--- /dev/null
+++ b/include/asm-um/hw_irq.h
@@ -0,0 +1,10 @@
+#ifndef _ASM_UM_HW_IRQ_H
+#define _ASM_UM_HW_IRQ_H
+
+#include "asm/irq.h"
+#include "asm/archparam.h"
+
+static inline void hw_resend_irq(struct hw_interrupt_type *h, unsigned int i)
+{}
+
+#endif
diff --git a/include/asm-um/ide.h b/include/asm-um/ide.h
new file mode 100644
index 000000000000..3d1ccebcfbaf
--- /dev/null
+++ b/include/asm-um/ide.h
@@ -0,0 +1,6 @@
+#ifndef __UM_IDE_H
+#define __UM_IDE_H
+
+#include "asm/arch/ide.h"
+
+#endif
diff --git a/include/asm-um/init.h b/include/asm-um/init.h
new file mode 100644
index 000000000000..1e271ca7cec8
--- /dev/null
+++ b/include/asm-um/init.h
@@ -0,0 +1,11 @@
+#ifndef _UM_INIT_H
+#define _UM_INIT_H
+
+#ifdef notdef
+#define __init
+#define __initdata
+#define __initfunc(__arginit) __arginit
+#define __cacheline_aligned 
+#endif
+
+#endif
diff --git a/include/asm-um/io.h b/include/asm-um/io.h
new file mode 100644
index 000000000000..62d6f2423ea6
--- /dev/null
+++ b/include/asm-um/io.h
@@ -0,0 +1,25 @@
+#ifndef __UM_IO_H
+#define __UM_IO_H
+
+#include "asm/page.h"
+
+#define IO_SPACE_LIMIT 0xdeadbeef /* Sure hope nothing uses this */
+
+static inline int inb(unsigned long i) { return(0); }
+static inline void outb(char c, unsigned long i) { }
+
+/*
+ * Change virtual addresses to physical addresses and vv.
+ * These are pretty trivial
+ */
+static inline unsigned long virt_to_phys(volatile void * address)
+{
+	return __pa((void *) address);
+}
+
+static inline void * phys_to_virt(unsigned long address)
+{
+	return __va(address);
+}
+
+#endif
diff --git a/include/asm-um/ioctl.h b/include/asm-um/ioctl.h
new file mode 100644
index 000000000000..cc22157346db
--- /dev/null
+++ b/include/asm-um/ioctl.h
@@ -0,0 +1,6 @@
+#ifndef __UM_IOCTL_H
+#define __UM_IOCTL_H
+
+#include "asm/arch/ioctl.h"
+
+#endif
diff --git a/include/asm-um/ioctls.h b/include/asm-um/ioctls.h
new file mode 100644
index 000000000000..9a1a017de6a7
--- /dev/null
+++ b/include/asm-um/ioctls.h
@@ -0,0 +1,6 @@
+#ifndef __UM_IOCTLS_H
+#define __UM_IOCTLS_H
+
+#include "asm/arch/ioctls.h"
+
+#endif
diff --git a/include/asm-um/ipc.h b/include/asm-um/ipc.h
new file mode 100644
index 000000000000..e2ddc47f3e52
--- /dev/null
+++ b/include/asm-um/ipc.h
@@ -0,0 +1,6 @@
+#ifndef __UM_IPC_H
+#define __UM_IPC_H
+
+#include "asm/arch/ipc.h"
+
+#endif
diff --git a/include/asm-um/ipcbuf.h b/include/asm-um/ipcbuf.h
new file mode 100644
index 000000000000..bb2ad31dc434
--- /dev/null
+++ b/include/asm-um/ipcbuf.h
@@ -0,0 +1,6 @@
+#ifndef __UM_IPCBUF_H
+#define __UM_IPCBUF_H
+
+#include "asm/arch/ipcbuf.h"
+
+#endif
diff --git a/include/asm-um/irq.h b/include/asm-um/irq.h
new file mode 100644
index 000000000000..11d3761dd824
--- /dev/null
+++ b/include/asm-um/irq.h
@@ -0,0 +1,35 @@
+#ifndef __UM_IRQ_H
+#define __UM_IRQ_H
+
+/* The i386 irq.h has a struct task_struct in a prototype without including
+ * sched.h.  This forward declaration kills the resulting warning.
+ */
+struct task_struct;
+
+#include "asm/arch/irq.h"
+#include "asm/ptrace.h"
+
+#undef NR_IRQS
+
+#define TIMER_IRQ		0
+#define UMN_IRQ			1
+#define CONSOLE_IRQ		2
+#define CONSOLE_WRITE_IRQ	3
+#define UBD_IRQ			4
+#define UM_ETH_IRQ		5
+#define SSL_IRQ			6
+#define SSL_WRITE_IRQ		7
+#define ACCEPT_IRQ		8
+#define MCONSOLE_IRQ		9
+#define WINCH_IRQ		10
+#define SIGIO_WRITE_IRQ 	11
+#define TELNETD_IRQ 		12
+
+#define LAST_IRQ TELNETD_IRQ
+#define NR_IRQS (LAST_IRQ + 1)
+
+extern int um_request_irq(unsigned int irq, int fd, int type,
+			  void (*handler)(int, void *, struct pt_regs *),
+			  unsigned long irqflags,  const char * devname,
+			  void *dev_id);
+#endif
diff --git a/include/asm-um/irq_vectors.h b/include/asm-um/irq_vectors.h
new file mode 100644
index 000000000000..62ddba6fc733
--- /dev/null
+++ b/include/asm-um/irq_vectors.h
@@ -0,0 +1,20 @@
+/* 
+ * Copyright (C) 2002 Jeff Dike (jdike@karaya.com)
+ * Licensed under the GPL
+ */
+
+#ifndef __UM_IRQ_VECTORS_H
+#define __UM_IRQ_VECTORS_H
+
+#endif
+
+/*
+ * Overrides for Emacs so that we follow Linus's tabbing style.
+ * Emacs will notice this stuff at the end of the file and automatically
+ * adjust the settings for this buffer only.  This must remain at the end
+ * of the file.
+ * ---------------------------------------------------------------------------
+ * Local variables:
+ * c-file-style: "linux"
+ * End:
+ */
diff --git a/include/asm-um/keyboard.h b/include/asm-um/keyboard.h
new file mode 100644
index 000000000000..ee2e2303d0e4
--- /dev/null
+++ b/include/asm-um/keyboard.h
@@ -0,0 +1,6 @@
+#ifndef __UM_KEYBOARD_H
+#define __UM_KEYBOARD_H
+
+#include "asm/arch/keyboard.h"
+
+#endif
diff --git a/include/asm-um/kmap_types.h b/include/asm-um/kmap_types.h
new file mode 100644
index 000000000000..0b22ad776e76
--- /dev/null
+++ b/include/asm-um/kmap_types.h
@@ -0,0 +1,11 @@
+/* 
+ * Copyright (C) 2002 Jeff Dike (jdike@karaya.com)
+ * Licensed under the GPL
+ */
+
+#ifndef __UM_KMAP_TYPES_H
+#define __UM_KMAP_TYPES_H
+
+#include "asm/arch/kmap_types.h"
+
+#endif
diff --git a/include/asm-um/linkage.h b/include/asm-um/linkage.h
new file mode 100644
index 000000000000..1504efe84e24
--- /dev/null
+++ b/include/asm-um/linkage.h
@@ -0,0 +1,6 @@
+#ifndef __ASM_LINKAGE_H
+#define __ASM_LINKAGE_H
+
+#define FASTCALL(x)	x __attribute__((regparm(3)))
+
+#endif
diff --git a/include/asm-um/linux_logo.h b/include/asm-um/linux_logo.h
new file mode 100644
index 000000000000..ae3b9289c1d7
--- /dev/null
+++ b/include/asm-um/linux_logo.h
@@ -0,0 +1,6 @@
+#ifndef __UM_LINUX_LOGO_H
+#define __UM_LINUX_LOGO_H
+
+#include "asm/arch/linux_logo.h"
+
+#endif
diff --git a/include/asm-um/locks.h b/include/asm-um/locks.h
new file mode 100644
index 000000000000..f80030a3ef5a
--- /dev/null
+++ b/include/asm-um/locks.h
@@ -0,0 +1,6 @@
+#ifndef __UM_LOCKS_H
+#define __UM_LOCKS_H
+
+#include "asm/arch/locks.h"
+
+#endif
diff --git a/include/asm-um/mca_dma.h b/include/asm-um/mca_dma.h
new file mode 100644
index 000000000000..e492e4ec1392
--- /dev/null
+++ b/include/asm-um/mca_dma.h
@@ -0,0 +1,6 @@
+#ifndef mca___UM_DMA_H
+#define mca___UM_DMA_H
+
+#include "asm/arch/mca_dma.h"
+
+#endif
diff --git a/include/asm-um/mman.h b/include/asm-um/mman.h
new file mode 100644
index 000000000000..b09ed523019b
--- /dev/null
+++ b/include/asm-um/mman.h
@@ -0,0 +1,6 @@
+#ifndef __UM_MMAN_H
+#define __UM_MMAN_H
+
+#include "asm/arch/mman.h"
+
+#endif
diff --git a/include/asm-um/mmu.h b/include/asm-um/mmu.h
new file mode 100644
index 000000000000..d276d24f07df
--- /dev/null
+++ b/include/asm-um/mmu.h
@@ -0,0 +1,6 @@
+#ifndef __MMU_H
+#define __MMU_H
+
+#include "asm/arch/mmu.h"
+
+#endif
diff --git a/include/asm-um/mmu_context.h b/include/asm-um/mmu_context.h
new file mode 100644
index 000000000000..56ef77e1c1c8
--- /dev/null
+++ b/include/asm-um/mmu_context.h
@@ -0,0 +1,25 @@
+#ifndef __UM_MMU_CONTEXT_H
+#define __UM_MMU_CONTEXT_H
+
+#include "linux/sched.h"
+
+#define init_new_context(task, mm) (0)
+#define get_mmu_context(task) do ; while(0)
+#define activate_context(tsk) do ; while(0)
+#define destroy_context(mm) do ; while(0)
+
+static inline void activate_mm(struct mm_struct *old, struct mm_struct *new)
+{
+}
+
+static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next, 
+			     struct task_struct *tsk, unsigned cpu)
+{
+}
+
+static inline void enter_lazy_tlb(struct mm_struct *mm, 
+				  struct task_struct *tsk, unsigned cpu)
+{
+}
+
+#endif
diff --git a/include/asm-um/module.h b/include/asm-um/module.h
new file mode 100644
index 000000000000..94374aa9c691
--- /dev/null
+++ b/include/asm-um/module.h
@@ -0,0 +1,6 @@
+#ifndef __UM_MODULE_H
+#define __UM_MODULE_H
+
+#include "asm/arch/module.h"
+
+#endif
diff --git a/include/asm-um/msgbuf.h b/include/asm-um/msgbuf.h
new file mode 100644
index 000000000000..8ce8c30d5377
--- /dev/null
+++ b/include/asm-um/msgbuf.h
@@ -0,0 +1,6 @@
+#ifndef __UM_MSGBUF_H
+#define __UM_MSGBUF_H
+
+#include "asm/arch/msgbuf.h"
+
+#endif
diff --git a/include/asm-um/mtrr.h b/include/asm-um/mtrr.h
new file mode 100644
index 000000000000..5e9cd12c578d
--- /dev/null
+++ b/include/asm-um/mtrr.h
@@ -0,0 +1,6 @@
+#ifndef __UM_MTRR_H
+#define __UM_MTRR_H
+
+#include "asm/arch/mtrr.h"
+
+#endif
diff --git a/include/asm-um/namei.h b/include/asm-um/namei.h
new file mode 100644
index 000000000000..002984d5bc85
--- /dev/null
+++ b/include/asm-um/namei.h
@@ -0,0 +1,6 @@
+#ifndef __UM_NAMEI_H
+#define __UM_NAMEI_H
+
+#include "asm/arch/namei.h"
+
+#endif
diff --git a/include/asm-um/page.h b/include/asm-um/page.h
new file mode 100644
index 000000000000..0f7e84c3196a
--- /dev/null
+++ b/include/asm-um/page.h
@@ -0,0 +1,60 @@
+#ifndef __UM_PAGE_H
+#define __UM_PAGE_H
+
+struct page;
+
+#include "asm/arch/page.h"
+
+#undef BUG
+#undef PAGE_BUG
+#undef __pa
+#undef __va
+#undef pfn_to_page
+#undef page_to_pfn
+#undef virt_to_page
+#undef pfn_valid
+#undef virt_addr_valid
+#undef VALID_PAGE
+#undef PAGE_OFFSET
+#undef KERNELBASE
+
+#define PAGE_OFFSET (uml_physmem)
+#define KERNELBASE PAGE_OFFSET
+
+#ifndef __ASSEMBLY__
+
+extern void stop(void);
+
+#define BUG() do { \
+	panic("kernel BUG at %s:%d!\n", __FILE__, __LINE__); \
+} while (0)
+
+#define PAGE_BUG(page) do { \
+	BUG(); \
+} while (0)
+
+#endif /* __ASSEMBLY__ */
+
+#define __va_space (8*1024*1024)
+
+extern unsigned long region_pa(void *virt);
+extern void *region_va(unsigned long phys);
+
+#define __pa(virt) region_pa((void *) (virt))
+#define __va(phys) region_va((unsigned long) (phys))
+
+extern struct page *phys_to_page(unsigned long phys);
+
+#define pfn_to_page(pfn) (phys_to_page(pfn << PAGE_SHIFT))
+#define page_to_pfn(page) (page_to_phys(page) >> PAGE_SHIFT)
+#define virt_to_page(v) (phys_to_page(__pa(v)))
+
+extern struct page *page_mem_map(struct page *page);
+
+#define pfn_valid(pfn) (page_mem_map(pfn_to_page(pfn)) != NULL)
+#define virt_addr_valid(v) pfn_valid(__pa(v) >> PAGE_SHIFT)
+
+extern struct page *arch_validate(struct page *page, int mask, int order);
+#define HAVE_ARCH_VALIDATE
+
+#endif
diff --git a/include/asm-um/page_offset.h b/include/asm-um/page_offset.h
new file mode 100644
index 000000000000..1c168dfbf359
--- /dev/null
+++ b/include/asm-um/page_offset.h
@@ -0,0 +1 @@
+#define PAGE_OFFSET_RAW (uml_physmem)
diff --git a/include/asm-um/param.h b/include/asm-um/param.h
new file mode 100644
index 000000000000..513c23596bd6
--- /dev/null
+++ b/include/asm-um/param.h
@@ -0,0 +1,22 @@
+#ifndef _UM_PARAM_H
+#define _UM_PARAM_H
+
+#define EXEC_PAGESIZE   4096
+
+#ifndef NGROUPS
+#define NGROUPS         32
+#endif
+
+#ifndef NOGROUP
+#define NOGROUP         (-1)
+#endif
+
+#define MAXHOSTNAMELEN  64      /* max length of hostname */
+
+#ifdef __KERNEL__
+#define HZ 100
+#define USER_HZ	100	   /* .. some user interfaces are in "ticks" */
+#define CLOCKS_PER_SEC (USER_HZ)  /* frequency at which times() counts */
+#endif
+
+#endif
diff --git a/include/asm-um/pci.h b/include/asm-um/pci.h
new file mode 100644
index 000000000000..b44cf59ede1e
--- /dev/null
+++ b/include/asm-um/pci.h
@@ -0,0 +1,6 @@
+#ifndef __UM_PCI_H
+#define __UM_PCI_H
+
+#define PCI_DMA_BUS_IS_PHYS     (1)
+
+#endif
diff --git a/include/asm-um/percpu.h b/include/asm-um/percpu.h
new file mode 100644
index 000000000000..5b6d9f51b48c
--- /dev/null
+++ b/include/asm-um/percpu.h
@@ -0,0 +1,6 @@
+#ifndef __UM_CACHEFLUSH_H
+#define __UM_CACHEFLUSH_H
+
+#include "asm/arch/percpu.h"
+
+#endif
diff --git a/include/asm-um/pgalloc.h b/include/asm-um/pgalloc.h
new file mode 100644
index 000000000000..4620297e2cc7
--- /dev/null
+++ b/include/asm-um/pgalloc.h
@@ -0,0 +1,62 @@
+/* 
+ * Copyright (C) 2000, 2001, 2002 Jeff Dike (jdike@karaya.com)
+ * Derived from include/asm-i386/pgalloc.h and include/asm-i386/pgtable.h
+ * Licensed under the GPL
+ */
+
+#ifndef __UM_PGALLOC_H
+#define __UM_PGALLOC_H
+
+#include "linux/mm.h"
+
+#define pmd_populate_kernel(mm, pmd, pte) \
+		set_pmd(pmd, __pmd(_PAGE_TABLE + (unsigned long) __pa(pte)))
+
+static inline void pmd_populate(struct mm_struct *mm, pmd_t *pmd, 
+				struct page *pte)
+{
+	set_pmd(pmd, __pmd(_PAGE_TABLE + phys_addr(page_to_phys(pte))));
+}
+
+extern pgd_t *pgd_alloc(struct mm_struct *);
+extern void pgd_free(pgd_t *pgd);
+
+extern pte_t *pte_alloc_one_kernel(struct mm_struct *, unsigned long);
+extern struct page *pte_alloc_one(struct mm_struct *, unsigned long);
+
+static inline void pte_free_kernel(pte_t *pte)
+{
+	free_page((unsigned long) pte);
+}
+
+static inline void pte_free(struct page *pte)
+{
+	__free_page(pte);
+}
+
+#define __pte_free_tlb(tlb,pte) tlb_remove_page((tlb),(pte))
+
+/*
+ * allocating and freeing a pmd is trivial: the 1-entry pmd is
+ * inside the pgd, so has no extra memory associated with it.
+ */
+
+#define pmd_alloc_one(mm, addr)		({ BUG(); ((pmd_t *)2); })
+#define pmd_free(x)			do { } while (0)
+#define __pmd_free_tlb(tlb,x)		do { } while (0)
+#define pgd_populate(mm, pmd, pte)	BUG()
+
+#define check_pgt_cache()	do { } while (0)
+
+#endif
+
+/*
+ * Overrides for Emacs so that we follow Linus's tabbing style.
+ * Emacs will notice this stuff at the end of the file and automatically
+ * adjust the settings for this buffer only.  This must remain at the end
+ * of the file.
+ * ---------------------------------------------------------------------------
+ * Local variables:
+ * c-file-style: "linux"
+ * End:
+ */
diff --git a/include/asm-um/pgtable.h b/include/asm-um/pgtable.h
new file mode 100644
index 000000000000..85b366b643a3
--- /dev/null
+++ b/include/asm-um/pgtable.h
@@ -0,0 +1,389 @@
+/* 
+ * Copyright (C) 2000, 2001, 2002 Jeff Dike (jdike@karaya.com)
+ * Derived from include/asm-i386/pgtable.h
+ * Licensed under the GPL
+ */
+
+#ifndef __UM_PGTABLE_H
+#define __UM_PGTABLE_H
+
+#include "linux/sched.h"
+#include "asm/processor.h"
+#include "asm/page.h"
+
+extern pgd_t swapper_pg_dir[1024];
+
+/* zero page used for uninitialized stuff */
+extern unsigned long *empty_zero_page;
+
+#define pgtable_cache_init() do ; while (0)
+
+/* PMD_SHIFT determines the size of the area a second-level page table can map */
+#define PMD_SHIFT	22
+#define PMD_SIZE	(1UL << PMD_SHIFT)
+#define PMD_MASK	(~(PMD_SIZE-1))
+
+/* PGDIR_SHIFT determines what a third-level page table entry can map */
+#define PGDIR_SHIFT	22
+#define PGDIR_SIZE	(1UL << PGDIR_SHIFT)
+#define PGDIR_MASK	(~(PGDIR_SIZE-1))
+
+/*
+ * entries per page directory level: the i386 is two-level, so
+ * we don't really have any PMD directory physically.
+ */
+#define PTRS_PER_PTE	1024
+#define PTRS_PER_PMD	1
+#define PTRS_PER_PGD	1024
+#define USER_PTRS_PER_PGD	(TASK_SIZE/PGDIR_SIZE)
+#define FIRST_USER_PGD_NR       0
+
+#define pte_ERROR(e) \
+        printk("%s:%d: bad pte %08lx.\n", __FILE__, __LINE__, pte_val(e))
+#define pmd_ERROR(e) \
+        printk("%s:%d: bad pmd %08lx.\n", __FILE__, __LINE__, pmd_val(e))
+#define pgd_ERROR(e) \
+        printk("%s:%d: bad pgd %08lx.\n", __FILE__, __LINE__, pgd_val(e))
+
+/*
+ * pgd entries used up by user/kernel:
+ */
+
+#define USER_PGD_PTRS (TASK_SIZE >> PGDIR_SHIFT)
+#define KERNEL_PGD_PTRS (PTRS_PER_PGD-USER_PGD_PTRS)
+
+#ifndef __ASSEMBLY__
+/* Just any arbitrary offset to the start of the vmalloc VM area: the
+ * current 8MB value just means that there will be a 8MB "hole" after the
+ * physical memory until the kernel virtual memory starts.  That means that
+ * any out-of-bounds memory accesses will hopefully be caught.
+ * The vmalloc() routines leaves a hole of 4kB between each vmalloced
+ * area for the same reason. ;)
+ */
+
+extern unsigned long high_physmem;
+extern unsigned long end_vm;
+
+#define VMALLOC_OFFSET	(__va_space)
+#define VMALLOC_START	(((unsigned long) high_physmem + VMALLOC_OFFSET) & ~(VMALLOC_OFFSET-1))
+#define VMALLOC_VMADDR(x) ((unsigned long)(x))
+#define VMALLOC_END	(end_vm)
+
+#define _PAGE_PRESENT	0x001
+#define _PAGE_NEWPAGE	0x002
+#define _PAGE_PROTNONE	0x004	/* If not present */
+#define _PAGE_RW	0x008
+#define _PAGE_USER	0x010
+#define _PAGE_ACCESSED	0x020
+#define _PAGE_DIRTY	0x040
+#define _PAGE_NEWPROT   0x080
+
+#define REGION_MASK	0xf0000000
+#define REGION_SHIFT	28
+
+#define _PAGE_TABLE	(_PAGE_PRESENT | _PAGE_RW | _PAGE_USER | _PAGE_ACCESSED | _PAGE_DIRTY)
+#define _KERNPG_TABLE	(_PAGE_PRESENT | _PAGE_RW | _PAGE_ACCESSED | _PAGE_DIRTY)
+#define _PAGE_CHG_MASK	(PAGE_MASK | _PAGE_ACCESSED | _PAGE_DIRTY)
+
+#define PAGE_NONE	__pgprot(_PAGE_PROTNONE | _PAGE_ACCESSED)
+#define PAGE_SHARED	__pgprot(_PAGE_PRESENT | _PAGE_RW | _PAGE_USER | _PAGE_ACCESSED)
+#define PAGE_COPY	__pgprot(_PAGE_PRESENT | _PAGE_USER | _PAGE_ACCESSED)
+#define PAGE_READONLY	__pgprot(_PAGE_PRESENT | _PAGE_USER | _PAGE_ACCESSED)
+#define PAGE_KERNEL	__pgprot(_PAGE_PRESENT | _PAGE_RW | _PAGE_DIRTY | _PAGE_ACCESSED)
+#define PAGE_KERNEL_RO	__pgprot(_PAGE_PRESENT | _PAGE_DIRTY | _PAGE_ACCESSED)
+
+/*
+ * The i386 can't do page protection for execute, and considers that the same are read.
+ * Also, write permissions imply read permissions. This is the closest we can get..
+ */
+#define __P000	PAGE_NONE
+#define __P001	PAGE_READONLY
+#define __P010	PAGE_COPY
+#define __P011	PAGE_COPY
+#define __P100	PAGE_READONLY
+#define __P101	PAGE_READONLY
+#define __P110	PAGE_COPY
+#define __P111	PAGE_COPY
+
+#define __S000	PAGE_NONE
+#define __S001	PAGE_READONLY
+#define __S010	PAGE_SHARED
+#define __S011	PAGE_SHARED
+#define __S100	PAGE_READONLY
+#define __S101	PAGE_READONLY
+#define __S110	PAGE_SHARED
+#define __S111	PAGE_SHARED
+
+/*
+ * Define this if things work differently on an i386 and an i486:
+ * it will (on an i486) warn about kernel memory accesses that are
+ * done without a 'verify_area(VERIFY_WRITE,..)'
+ */
+#undef TEST_VERIFY_AREA
+
+/* page table for 0-4MB for everybody */
+extern unsigned long pg0[1024];
+
+/*
+ * BAD_PAGETABLE is used when we need a bogus page-table, while
+ * BAD_PAGE is used for a bogus page.
+ *
+ * ZERO_PAGE is a global shared page that is always zero: used
+ * for zero-mapped memory areas etc..
+ */
+extern pte_t __bad_page(void);
+extern pte_t * __bad_pagetable(void);
+
+#define BAD_PAGETABLE __bad_pagetable()
+#define BAD_PAGE __bad_page()
+#define ZERO_PAGE(vaddr) (virt_to_page(empty_zero_page))
+
+/* number of bits that fit into a memory pointer */
+#define BITS_PER_PTR			(8*sizeof(unsigned long))
+
+/* to align the pointer to a pointer address */
+#define PTR_MASK			(~(sizeof(void*)-1))
+
+/* sizeof(void*)==1<<SIZEOF_PTR_LOG2 */
+/* 64-bit machines, beware!  SRB. */
+#define SIZEOF_PTR_LOG2			2
+
+/* to find an entry in a page-table */
+#define PAGE_PTR(address) \
+((unsigned long)(address)>>(PAGE_SHIFT-SIZEOF_PTR_LOG2)&PTR_MASK&~PAGE_MASK)
+
+#define pte_none(x)	!(pte_val(x) & ~_PAGE_NEWPAGE)
+#define pte_present(x)	(pte_val(x) & (_PAGE_PRESENT | _PAGE_PROTNONE))
+
+#define pte_clear(xp)	do { pte_val(*(xp)) = _PAGE_NEWPAGE; } while (0)
+
+#define phys_region_index(x) (((x) & REGION_MASK) >> REGION_SHIFT)
+#define pte_region_index(x) phys_region_index(pte_val(x))
+
+#define pmd_none(x)	(!(pmd_val(x) & ~_PAGE_NEWPAGE))
+#define	pmd_bad(x)	((pmd_val(x) & (~PAGE_MASK & ~_PAGE_USER)) != _KERNPG_TABLE)
+#define pmd_present(x)	(pmd_val(x) & _PAGE_PRESENT)
+#define pmd_clear(xp)	do { pmd_val(*(xp)) = _PAGE_NEWPAGE; } while (0)
+
+#define pmd_newpage(x)  (pmd_val(x) & _PAGE_NEWPAGE)
+#define pmd_mkuptodate(x) (pmd_val(x) &= ~_PAGE_NEWPAGE)
+
+/*
+ * The "pgd_xxx()" functions here are trivial for a folded two-level
+ * setup: the pgd is never bad, and a pmd always exists (as it's folded
+ * into the pgd entry)
+ */
+static inline int pgd_none(pgd_t pgd)		{ return 0; }
+static inline int pgd_bad(pgd_t pgd)		{ return 0; }
+static inline int pgd_present(pgd_t pgd)	{ return 1; }
+static inline void pgd_clear(pgd_t * pgdp)	{ }
+
+
+#define pages_to_mb(x) ((x) >> (20-PAGE_SHIFT))
+
+extern struct page *pte_mem_map(pte_t pte);
+extern struct page *phys_mem_map(unsigned long phys);
+
+#define pte_page(x) pfn_to_page(pte_pfn(x))
+#define pte_address(x) (__va(pte_val(x) & PAGE_MASK))
+#define mk_phys(a, r) ((a) + (r << REGION_SHIFT))
+#define phys_addr(p) ((p) & ~REGION_MASK)
+#define phys_page(p) (phys_mem_map(p) + ((phys_addr(p)) >> PAGE_SHIFT))
+#define pte_pfn(x) ((unsigned long)(((x).pte_low >> PAGE_SHIFT)))
+#define pfn_pte(pfn, prot) __pte(((pfn) << PAGE_SHIFT) | pgprot_val(prot))
+#define pfn_pmd(pfn, prot)	__pmd(((pfn) << PAGE_SHIFT) | pgprot_val(prot))
+
+static inline pte_t pte_mknewprot(pte_t pte)
+{
+ 	pte_val(pte) |= _PAGE_NEWPROT;
+	return(pte);
+}
+
+static inline pte_t pte_mknewpage(pte_t pte)
+{
+	pte_val(pte) |= _PAGE_NEWPAGE;
+	return(pte);
+}
+
+static inline void set_pte(pte_t *pteptr, pte_t pteval)
+{
+	/* If it's a swap entry, it needs to be marked _PAGE_NEWPAGE so
+	 * fix_range knows to unmap it.  _PAGE_NEWPROT is specific to
+	 * mapped pages.
+	 */
+	*pteptr = pte_mknewpage(pteval);
+	if(pte_present(*pteptr)) *pteptr = pte_mknewprot(*pteptr);
+}
+
+/*
+ * (pmds are folded into pgds so this doesnt get actually called,
+ * but the define is needed for a generic inline function.)
+ */
+#define set_pmd(pmdptr, pmdval) (*(pmdptr) = pmdval)
+#define set_pgd(pgdptr, pgdval) (*(pgdptr) = pgdval)
+
+/*
+ * The following only work if pte_present() is true.
+ * Undefined behaviour if not..
+ */
+static inline int pte_read(pte_t pte)	{ return pte_val(pte) & _PAGE_USER; }
+static inline int pte_exec(pte_t pte)	{ return pte_val(pte) & _PAGE_USER; }
+static inline int pte_dirty(pte_t pte)	{ return pte_val(pte) & _PAGE_DIRTY; }
+static inline int pte_young(pte_t pte)	{ return pte_val(pte) & _PAGE_ACCESSED; }
+static inline int pte_write(pte_t pte)	{ return pte_val(pte) & _PAGE_RW; }
+static inline int pte_newpage(pte_t pte) { return pte_val(pte) & _PAGE_NEWPAGE; }
+static inline int pte_newprot(pte_t pte)
+{ 
+	return(pte_present(pte) && (pte_val(pte) & _PAGE_NEWPROT)); 
+}
+
+static inline pte_t pte_rdprotect(pte_t pte)
+{ 
+	pte_val(pte) &= ~_PAGE_USER; 
+	return(pte_mknewprot(pte));
+}
+
+static inline pte_t pte_exprotect(pte_t pte)
+{ 
+	pte_val(pte) &= ~_PAGE_USER;
+	return(pte_mknewprot(pte));
+}
+
+static inline pte_t pte_mkclean(pte_t pte)
+{
+	pte_val(pte) &= ~_PAGE_DIRTY; 
+	return(pte);
+}
+
+static inline pte_t pte_mkold(pte_t pte)	
+{ 
+	pte_val(pte) &= ~_PAGE_ACCESSED; 
+	return(pte);
+}
+
+static inline pte_t pte_wrprotect(pte_t pte)
+{ 
+	pte_val(pte) &= ~_PAGE_RW; 
+	return(pte_mknewprot(pte)); 
+}
+
+static inline pte_t pte_mkread(pte_t pte)
+{ 
+	pte_val(pte) |= _PAGE_USER; 
+	return(pte_mknewprot(pte)); 
+}
+
+static inline pte_t pte_mkexec(pte_t pte)
+{ 
+	pte_val(pte) |= _PAGE_USER; 
+	return(pte_mknewprot(pte)); 
+}
+
+static inline pte_t pte_mkdirty(pte_t pte)
+{ 
+	pte_val(pte) |= _PAGE_DIRTY; 
+	return(pte);
+}
+
+static inline pte_t pte_mkyoung(pte_t pte)
+{
+	pte_val(pte) |= _PAGE_ACCESSED; 
+	return(pte);
+}
+
+static inline pte_t pte_mkwrite(pte_t pte)	
+{
+	pte_val(pte) |= _PAGE_RW; 
+	return(pte_mknewprot(pte)); 
+}
+
+static inline pte_t pte_mkuptodate(pte_t pte)	
+{
+	pte_val(pte) &= ~_PAGE_NEWPAGE;
+	if(pte_present(pte)) pte_val(pte) &= ~_PAGE_NEWPROT;
+	return(pte); 
+}
+
+extern unsigned long page_to_phys(struct page *page);
+
+/*
+ * Conversion functions: convert a page and protection to a page entry,
+ * and a page entry and page directory to the page they refer to.
+ */
+
+#define mk_pte(page, pgprot) \
+({					\
+	pte_t __pte;                    \
+                                        \
+	pte_val(__pte) = page_to_phys(page) + pgprot_val(pgprot);\
+	if(pte_present(__pte)) pte_mknewprot(pte_mknewpage(__pte)); \
+	__pte;                          \
+})
+
+static inline pte_t pte_modify(pte_t pte, pgprot_t newprot)
+{
+	pte_val(pte) = (pte_val(pte) & _PAGE_CHG_MASK) | pgprot_val(newprot);
+	if(pte_present(pte)) pte = pte_mknewpage(pte_mknewprot(pte));
+	return pte; 
+}
+
+#define pmd_page_kernel(pmd) ((unsigned long) __va(pmd_val(pmd) & PAGE_MASK))
+#define pmd_page(pmd) (phys_mem_map(pmd_val(pmd) & PAGE_MASK) + \
+		       ((phys_addr(pmd_val(pmd)) >> PAGE_SHIFT)))
+
+/* to find an entry in a page-table-directory. */
+#define pgd_index(address) ((address >> PGDIR_SHIFT) & (PTRS_PER_PGD-1))
+
+/* to find an entry in a page-table-directory */
+#define pgd_offset(mm, address) \
+((mm)->pgd + ((address) >> PGDIR_SHIFT))
+
+/* to find an entry in a kernel page-table-directory */
+#define pgd_offset_k(address) pgd_offset(&init_mm, address)
+
+/* Find an entry in the second-level page table.. */
+static inline pmd_t * pmd_offset(pgd_t * dir, unsigned long address)
+{
+	return (pmd_t *) dir;
+}
+
+/* Find an entry in the third-level page table.. */ 
+#define __pte_offset(address) ((address >> PAGE_SHIFT) & (PTRS_PER_PTE - 1))
+#define pte_offset_kernel(dir, address) \
+	((pte_t *) pmd_page_kernel(*(dir)) +  __pte_offset(address))
+#define pte_offset_map(dir, address) \
+        ((pte_t *)kmap_atomic(pmd_page(*(dir)),KM_PTE0) + __pte_offset(address))
+#define pte_offset_map_nested(dir, address) \
+	((pte_t *)kmap_atomic(pmd_page(*(dir)),KM_PTE1) + __pte_offset(address))
+#define pte_unmap(pte) kunmap_atomic(pte, KM_PTE0)
+#define pte_unmap_nested(pte) kunmap_atomic(pte, KM_PTE1)
+
+#define update_mmu_cache(vma,address,pte) do ; while (0)
+
+/* Encode and de-code a swap entry */
+#define __swp_type(x)			(((x).val >> 3) & 0x7f)
+#define __swp_offset(x)			((x).val >> 10)
+
+#define __swp_entry(type, offset) \
+	((swp_entry_t) { ((type) << 3) | ((offset) << 10) })
+#define __pte_to_swp_entry(pte) \
+	((swp_entry_t) { pte_val(pte_mkuptodate(pte)) })
+#define __swp_entry_to_pte(x)		((pte_t) { (x).val })
+
+#define kern_addr_valid(addr) (1)
+
+#include <asm-generic/pgtable.h>
+
+#endif
+
+#endif
+/*
+ * Overrides for Emacs so that we follow Linus's tabbing style.
+ * Emacs will notice this stuff at the end of the file and automatically
+ * adjust the settings for this buffer only.  This must remain at the end
+ * of the file.
+ * ---------------------------------------------------------------------------
+ * Local variables:
+ * c-file-style: "linux"
+ * End:
+ */
diff --git a/include/asm-um/poll.h b/include/asm-um/poll.h
new file mode 100644
index 000000000000..1eb4e1bc6383
--- /dev/null
+++ b/include/asm-um/poll.h
@@ -0,0 +1,6 @@
+#ifndef __UM_POLL_H
+#define __UM_POLL_H
+
+#include "asm/arch/poll.h"
+
+#endif
diff --git a/include/asm-um/posix_types.h b/include/asm-um/posix_types.h
new file mode 100644
index 000000000000..32fb4198f644
--- /dev/null
+++ b/include/asm-um/posix_types.h
@@ -0,0 +1,6 @@
+#ifndef __UM_POSIX_TYPES_H
+#define __UM_POSIX_TYPES_H
+
+#include "asm/arch/posix_types.h"
+
+#endif
diff --git a/include/asm-um/processor-generic.h b/include/asm-um/processor-generic.h
new file mode 100644
index 000000000000..103efbbe56e6
--- /dev/null
+++ b/include/asm-um/processor-generic.h
@@ -0,0 +1,157 @@
+/* 
+ * Copyright (C) 2000, 2001, 2002 Jeff Dike (jdike@karaya.com)
+ * Licensed under the GPL
+ */
+
+#ifndef __UM_PROCESSOR_GENERIC_H
+#define __UM_PROCESSOR_GENERIC_H
+
+struct pt_regs;
+
+struct task_struct;
+
+#include "linux/config.h"
+#include "linux/signal.h"
+#include "asm/segment.h"
+#include "asm/ptrace.h"
+#include "asm/siginfo.h"
+
+struct mm_struct;
+
+#define current_text_addr() ((void *) 0)
+
+#define cpu_relax()	do ; while (0)
+
+struct thread_struct {
+	int extern_pid;
+	int tracing;
+	int forking;
+	unsigned long kernel_stack;
+	int nsyscalls;
+	struct pt_regs regs;
+	unsigned long cr2;
+	int err;
+	void *fault_addr;
+	void *fault_catcher;
+	int vm_seq;
+	struct task_struct *prev_sched;
+	unsigned long temp_stack;
+	int switch_pipe[2];
+	void *jmp;
+	struct arch_thread arch;
+	int singlestep_syscall;
+	struct {
+		int op;
+		union {
+			struct {
+				int pid;
+			} fork, exec;
+			struct {
+				int (*proc)(void *);
+				void *arg;
+			} thread;
+			struct {
+				void (*proc)(void *);
+				void *arg;
+			} cb;
+		} u;
+	} request;
+};
+
+#define INIT_THREAD \
+{ \
+	extern_pid:		-1, \
+	tracing:		0, \
+	forking:		0, \
+	kernel_stack:		0, \
+	nsyscalls:		0, \
+        regs:		   	EMPTY_REGS, \
+	cr2:			0, \
+	err:			0, \
+	fault_addr:		NULL, \
+	vm_seq:			0, \
+	prev_sched:		NULL, \
+	temp_stack:		0, \
+	switch_pipe:		{ -1, -1 }, \
+	jmp:			NULL, \
+	arch:			INIT_ARCH_THREAD, \
+	singlestep_syscall:	0, \
+	request:		{ 0 } \
+}
+
+#define INIT_THREAD_SIZE (4 * PAGE_SIZE)
+
+typedef struct {
+	unsigned long seg;
+} mm_segment_t;
+
+extern struct task_struct *alloc_task_struct(void);
+extern void free_task_struct(struct task_struct *task);
+
+extern void release_thread(struct task_struct *);
+extern int kernel_thread(int (*fn)(void *), void * arg, unsigned long flags);
+extern void dump_thread(struct pt_regs *regs, struct user *u);
+
+static inline void release_segments(struct mm_struct *mm)
+{
+}
+
+static inline void copy_segments(struct task_struct *p, 
+				 struct mm_struct *new_mm)
+{
+}
+
+#define forget_segments() do ; while(0)
+
+extern unsigned long thread_saved_pc(struct task_struct *t);
+
+#define init_stack	(init_thread_union.stack)
+
+/*
+ * User space process size: 3GB (default).
+ */
+extern unsigned long task_size;
+
+#define TASK_SIZE	(task_size)
+
+/* This decides where the kernel will search for a free chunk of vm
+ * space during mmap's.
+ */
+#define TASK_UNMAPPED_BASE	(0x40000000)
+
+extern void start_thread(struct pt_regs *regs, unsigned long entry, 
+			 unsigned long stack);
+
+struct cpuinfo_um {
+	unsigned long loops_per_jiffy;
+	int ipi_pipe[2];
+};
+
+extern struct cpuinfo_um boot_cpu_data;
+
+#define my_cpu_data		cpu_data[smp_processor_id()]
+
+#ifdef CONFIG_SMP
+extern struct cpuinfo_um cpu_data[];
+#define current_cpu_data cpu_data[smp_processor_id()]
+#else
+#define cpu_data (&boot_cpu_data)
+#define current_cpu_data boot_cpu_data
+#endif
+
+#define KSTK_EIP(tsk) (PT_REGS_IP(&tsk->thread.regs))
+#define KSTK_ESP(tsk) (PT_REGS_SP(&tsk->thread.regs))
+#define get_wchan(p) (0)
+
+#endif
+
+/*
+ * Overrides for Emacs so that we follow Linus's tabbing style.
+ * Emacs will notice this stuff at the end of the file and automatically
+ * adjust the settings for this buffer only.  This must remain at the end
+ * of the file.
+ * ---------------------------------------------------------------------------
+ * Local variables:
+ * c-file-style: "linux"
+ * End:
+ */
diff --git a/include/asm-um/processor-i386.h b/include/asm-um/processor-i386.h
new file mode 100644
index 000000000000..7af2488b41fe
--- /dev/null
+++ b/include/asm-um/processor-i386.h
@@ -0,0 +1,35 @@
+/* 
+ * Copyright (C) 2002 Jeff Dike (jdike@karaya.com)
+ * Licensed under the GPL
+ */
+
+#ifndef __UM_PROCESSOR_I386_H
+#define __UM_PROCESSOR_I386_H
+
+extern int cpu_has_xmm;
+extern int cpu_has_cmov;
+
+struct arch_thread {
+	unsigned long debugregs[8];
+	int debugregs_seq;
+};
+
+#define INIT_ARCH_THREAD { debugregs : 		{ [ 0 ... 7 ] = 0 }, \
+                           debugregs_seq :	0 }
+
+#include "asm/arch/user.h"
+
+#include "asm/processor-generic.h"
+
+#endif
+
+/*
+ * Overrides for Emacs so that we follow Linus's tabbing style.
+ * Emacs will notice this stuff at the end of the file and automatically
+ * adjust the settings for this buffer only.  This must remain at the end
+ * of the file.
+ * ---------------------------------------------------------------------------
+ * Local variables:
+ * c-file-style: "linux"
+ * End:
+ */
diff --git a/include/asm-um/processor-ppc.h b/include/asm-um/processor-ppc.h
new file mode 100644
index 000000000000..a0441e9b40eb
--- /dev/null
+++ b/include/asm-um/processor-ppc.h
@@ -0,0 +1,15 @@
+#ifndef __UM_PROCESSOR_PPC_H
+#define __UM_PROCESSOR_PPC_H
+
+#if defined(__ASSEMBLY__)
+
+#define CONFIG_ALL_PPC
+#include "arch/processor.h"
+
+#else
+
+#include "asm/processor-generic.h"
+
+#endif
+
+#endif
diff --git a/include/asm-um/ptrace-generic.h b/include/asm-um/ptrace-generic.h
new file mode 100644
index 000000000000..18f6b5991856
--- /dev/null
+++ b/include/asm-um/ptrace-generic.h
@@ -0,0 +1,69 @@
+/* 
+ * Copyright (C) 2000, 2001, 2002 Jeff Dike (jdike@karaya.com)
+ * Licensed under the GPL
+ */
+
+#ifndef __UM_PTRACE_GENERIC_H
+#define __UM_PTRACE_GENERIC_H
+
+#ifndef __ASSEMBLY__
+
+#include "asm/current.h"
+
+#define pt_regs pt_regs_subarch
+#define show_regs show_regs_subarch
+
+#include "asm/arch/ptrace.h"
+
+#undef pt_regs
+#undef show_regs
+#undef user_mode
+#undef instruction_pointer
+
+#include "sysdep/ptrace.h"
+
+struct pt_regs {
+	struct uml_pt_regs regs;
+};
+
+#define EMPTY_REGS { regs : EMPTY_UML_PT_REGS }
+
+#define PT_REGS_IP(r) UPT_IP(&(r)->regs)
+#define PT_REGS_SP(r) UPT_SP(&(r)->regs)
+
+#define PT_REG(r, reg) UPT_REG(&(r)->regs, reg)
+#define PT_REGS_SET(r, reg, val) UPT_SET(&(r)->regs, reg, val)
+
+#define PT_REGS_SET_SYSCALL_RETURN(r, res) \
+	UPT_SET_SYSCALL_RETURN(&(r)->regs, res)
+#define PT_REGS_RESTART_SYSCALL(r) UPT_RESTART_SYSCALL(&(r)->regs)
+
+#define PT_REGS_SYSCALL_NR(r) UPT_SYSCALL_NR(&(r)->regs)
+
+#define PT_REGS_SC(r) UPT_SC(&(r)->regs)
+
+struct task_struct;
+
+extern unsigned long getreg(struct task_struct *child, int regno);
+extern int putreg(struct task_struct *child, int regno, unsigned long value);
+extern int get_fpregs(unsigned long buf, struct task_struct *child);
+extern int set_fpregs(unsigned long buf, struct task_struct *child);
+extern int get_fpxregs(unsigned long buf, struct task_struct *child);
+extern int set_fpxregs(unsigned long buf, struct task_struct *tsk);
+
+extern void show_regs(struct pt_regs *regs);
+
+#endif
+
+#endif
+
+/*
+ * Overrides for Emacs so that we follow Linus's tabbing style.
+ * Emacs will notice this stuff at the end of the file and automatically
+ * adjust the settings for this buffer only.  This must remain at the end
+ * of the file.
+ * ---------------------------------------------------------------------------
+ * Local variables:
+ * c-file-style: "linux"
+ * End:
+ */
diff --git a/include/asm-um/ptrace-i386.h b/include/asm-um/ptrace-i386.h
new file mode 100644
index 000000000000..3c69e3e7b0e3
--- /dev/null
+++ b/include/asm-um/ptrace-i386.h
@@ -0,0 +1,45 @@
+/* 
+ * Copyright (C) 2000, 2001, 2002 Jeff Dike (jdike@karaya.com)
+ * Licensed under the GPL
+ */
+
+#ifndef __UM_PTRACE_I386_H
+#define __UM_PTRACE_I386_H
+
+#include "asm/ptrace-generic.h"
+
+#define PT_REGS_EAX(r) UPT_EAX(&(r)->regs)
+#define PT_REGS_EBX(r) UPT_EBX(&(r)->regs)
+#define PT_REGS_ECX(r) UPT_ECX(&(r)->regs)
+#define PT_REGS_EDX(r) UPT_EDX(&(r)->regs)
+#define PT_REGS_ESI(r) UPT_ESI(&(r)->regs)
+#define PT_REGS_EDI(r) UPT_EDI(&(r)->regs)
+#define PT_REGS_EBP(r) UPT_EBP(&(r)->regs)
+
+#define PT_REGS_CS(r) UPT_CS(&(r)->regs)
+#define PT_REGS_SS(r) UPT_SS(&(r)->regs)
+#define PT_REGS_DS(r) UPT_DS(&(r)->regs)
+#define PT_REGS_ES(r) UPT_ES(&(r)->regs)
+#define PT_REGS_FS(r) UPT_FS(&(r)->regs)
+#define PT_REGS_GS(r) UPT_GS(&(r)->regs)
+
+#define PT_REGS_EFLAGS(r) UPT_EFLAGS(&(r)->regs)
+
+#define PT_REGS_ORIG_SYSCALL(r) PT_REGS_EAX(r)
+#define PT_REGS_SYSCALL_RET(r) PT_REGS_EAX(r)
+#define PT_FIX_EXEC_STACK(sp) do ; while(0)
+
+#define user_mode(r) ((r)->regs.is_user)
+
+#endif
+
+/*
+ * Overrides for Emacs so that we follow Linus's tabbing style.
+ * Emacs will notice this stuff at the end of the file and automatically
+ * adjust the settings for this buffer only.  This must remain at the end
+ * of the file.
+ * ---------------------------------------------------------------------------
+ * Local variables:
+ * c-file-style: "linux"
+ * End:
+ */
diff --git a/include/asm-um/resource.h b/include/asm-um/resource.h
new file mode 100644
index 000000000000..c9b074001252
--- /dev/null
+++ b/include/asm-um/resource.h
@@ -0,0 +1,6 @@
+#ifndef __UM_RESOURCE_H
+#define __UM_RESOURCE_H
+
+#include "asm/arch/resource.h"
+
+#endif
diff --git a/include/asm-um/rmap.h b/include/asm-um/rmap.h
new file mode 100644
index 000000000000..a244d486b66f
--- /dev/null
+++ b/include/asm-um/rmap.h
@@ -0,0 +1,6 @@
+#ifndef __UM_RMAP_H
+#define __UM_RMAP_H
+
+#include "asm/arch/rmap.h"
+
+#endif
diff --git a/include/asm-um/rwlock.h b/include/asm-um/rwlock.h
new file mode 100644
index 000000000000..ff383aafc9fe
--- /dev/null
+++ b/include/asm-um/rwlock.h
@@ -0,0 +1,6 @@
+#ifndef __UM_RWLOCK_H
+#define __UM_RWLOCK_H
+
+#include "asm/arch/rwlock.h"
+
+#endif
diff --git a/include/asm-um/rwsem.h b/include/asm-um/rwsem.h
new file mode 100644
index 000000000000..661c0e54702b
--- /dev/null
+++ b/include/asm-um/rwsem.h
@@ -0,0 +1,10 @@
+#ifndef __UM_RWSEM_H__
+#define __UM_RWSEM_H__
+
+#if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 96)
+#define __builtin_expect(exp,c) (exp)
+#endif
+
+#include "asm/arch/rwsem.h"
+
+#endif
diff --git a/include/asm-um/scatterlist.h b/include/asm-um/scatterlist.h
new file mode 100644
index 000000000000..e92016aa2079
--- /dev/null
+++ b/include/asm-um/scatterlist.h
@@ -0,0 +1,6 @@
+#ifndef __UM_SCATTERLIST_H
+#define __UM_SCATTERLIST_H
+
+#include "asm/arch/scatterlist.h"
+
+#endif
diff --git a/include/asm-um/segment.h b/include/asm-um/segment.h
new file mode 100644
index 000000000000..55e40301f625
--- /dev/null
+++ b/include/asm-um/segment.h
@@ -0,0 +1,4 @@
+#ifndef __UM_SEGMENT_H
+#define __UM_SEGMENT_H
+
+#endif
diff --git a/include/asm-um/semaphore.h b/include/asm-um/semaphore.h
new file mode 100644
index 000000000000..ff13c34de421
--- /dev/null
+++ b/include/asm-um/semaphore.h
@@ -0,0 +1,6 @@
+#ifndef __UM_SEMAPHORE_H
+#define __UM_SEMAPHORE_H
+
+#include "asm/arch/semaphore.h"
+
+#endif
diff --git a/include/asm-um/sembuf.h b/include/asm-um/sembuf.h
new file mode 100644
index 000000000000..1ae82c14ff86
--- /dev/null
+++ b/include/asm-um/sembuf.h
@@ -0,0 +1,6 @@
+#ifndef __UM_SEMBUF_H
+#define __UM_SEMBUF_H
+
+#include "asm/arch/sembuf.h"
+
+#endif
diff --git a/include/asm-um/serial.h b/include/asm-um/serial.h
new file mode 100644
index 000000000000..61ad07cfd2d5
--- /dev/null
+++ b/include/asm-um/serial.h
@@ -0,0 +1,6 @@
+#ifndef __UM_SERIAL_H
+#define __UM_SERIAL_H
+
+#include "asm/arch/serial.h"
+
+#endif
diff --git a/include/asm-um/shmbuf.h b/include/asm-um/shmbuf.h
new file mode 100644
index 000000000000..9684d4a284a6
--- /dev/null
+++ b/include/asm-um/shmbuf.h
@@ -0,0 +1,6 @@
+#ifndef __UM_SHMBUF_H
+#define __UM_SHMBUF_H
+
+#include "asm/arch/shmbuf.h"
+
+#endif
diff --git a/include/asm-um/shmparam.h b/include/asm-um/shmparam.h
new file mode 100644
index 000000000000..124c00174f6a
--- /dev/null
+++ b/include/asm-um/shmparam.h
@@ -0,0 +1,6 @@
+#ifndef __UM_SHMPARAM_H
+#define __UM_SHMPARAM_H
+
+#include "asm/arch/shmparam.h"
+
+#endif
diff --git a/include/asm-um/sigcontext-generic.h b/include/asm-um/sigcontext-generic.h
new file mode 100644
index 000000000000..164587014c61
--- /dev/null
+++ b/include/asm-um/sigcontext-generic.h
@@ -0,0 +1,6 @@
+#ifndef __UM_SIGCONTEXT_GENERIC_H
+#define __UM_SIGCONTEXT_GENERIC_H
+
+#include "asm/arch/sigcontext.h"
+
+#endif
diff --git a/include/asm-um/sigcontext-i386.h b/include/asm-um/sigcontext-i386.h
new file mode 100644
index 000000000000..b88333f488bb
--- /dev/null
+++ b/include/asm-um/sigcontext-i386.h
@@ -0,0 +1,6 @@
+#ifndef __UM_SIGCONTEXT_I386_H
+#define __UM_SIGCONTEXT_I386_H
+
+#include "asm/sigcontext-generic.h"
+
+#endif
diff --git a/include/asm-um/sigcontext-ppc.h b/include/asm-um/sigcontext-ppc.h
new file mode 100644
index 000000000000..2467f20eda99
--- /dev/null
+++ b/include/asm-um/sigcontext-ppc.h
@@ -0,0 +1,10 @@
+#ifndef __UM_SIGCONTEXT_PPC_H
+#define __UM_SIGCONTEXT_PPC_H
+
+#define pt_regs sys_pt_regs
+
+#include "asm/sigcontext-generic.h"
+
+#undef pt_regs
+
+#endif
diff --git a/include/asm-um/siginfo.h b/include/asm-um/siginfo.h
new file mode 100644
index 000000000000..bec6124c36d0
--- /dev/null
+++ b/include/asm-um/siginfo.h
@@ -0,0 +1,6 @@
+#ifndef __UM_SIGINFO_H
+#define __UM_SIGINFO_H
+
+#include "asm/arch/siginfo.h"
+
+#endif
diff --git a/include/asm-um/signal.h b/include/asm-um/signal.h
new file mode 100644
index 000000000000..211d1e8a8179
--- /dev/null
+++ b/include/asm-um/signal.h
@@ -0,0 +1,26 @@
+/* 
+ * Copyright (C) 2002 Jeff Dike (jdike@karaya.com)
+ * Licensed under the GPL
+ */
+
+#ifndef __UM_SIGNAL_H
+#define __UM_SIGNAL_H
+
+/* Need to kill the do_signal() declaration in the i386 signal.h */
+
+#define do_signal do_signal_renamed
+#include "asm/arch/signal.h"
+#undef do_signal
+
+#endif
+
+/*
+ * Overrides for Emacs so that we follow Linus's tabbing style.
+ * Emacs will notice this stuff at the end of the file and automatically
+ * adjust the settings for this buffer only.  This must remain at the end
+ * of the file.
+ * ---------------------------------------------------------------------------
+ * Local variables:
+ * c-file-style: "linux"
+ * End:
+ */
diff --git a/include/asm-um/smp.h b/include/asm-um/smp.h
new file mode 100644
index 000000000000..931b1f956f17
--- /dev/null
+++ b/include/asm-um/smp.h
@@ -0,0 +1,20 @@
+#ifndef __UM_SMP_H
+#define __UM_SMP_H
+
+extern unsigned long cpu_online_map;
+
+#ifdef CONFIG_SMP
+
+#include "linux/config.h"
+#include "asm/current.h"
+
+#define smp_processor_id() (current->processor)
+#define cpu_logical_map(n) (n)
+#define cpu_number_map(n) (n)
+#define PROC_CHANGE_PENALTY	15 /* Pick a number, any number */
+extern int hard_smp_processor_id(void);
+#define NO_PROC_ID -1
+
+#endif
+
+#endif
diff --git a/include/asm-um/smplock.h b/include/asm-um/smplock.h
new file mode 100644
index 000000000000..aacda39c5191
--- /dev/null
+++ b/include/asm-um/smplock.h
@@ -0,0 +1,6 @@
+#ifndef __UM_SMPLOCK_H
+#define __UM_SMPLOCK_H
+
+#include "asm/arch/smplock.h"
+
+#endif
diff --git a/include/asm-um/socket.h b/include/asm-um/socket.h
new file mode 100644
index 000000000000..67886e42ef04
--- /dev/null
+++ b/include/asm-um/socket.h
@@ -0,0 +1,6 @@
+#ifndef __UM_SOCKET_H
+#define __UM_SOCKET_H
+
+#include "asm/arch/socket.h"
+
+#endif
diff --git a/include/asm-um/sockios.h b/include/asm-um/sockios.h
new file mode 100644
index 000000000000..93ee1c55c4d6
--- /dev/null
+++ b/include/asm-um/sockios.h
@@ -0,0 +1,6 @@
+#ifndef __UM_SOCKIOS_H
+#define __UM_SOCKIOS_H
+
+#include "asm/arch/sockios.h"
+
+#endif
diff --git a/include/asm-um/softirq.h b/include/asm-um/softirq.h
new file mode 100644
index 000000000000..41734a0a9602
--- /dev/null
+++ b/include/asm-um/softirq.h
@@ -0,0 +1,13 @@
+#ifndef __UM_SOFTIRQ_H
+#define __UM_SOFTIRQ_H
+
+#include "linux/smp.h"
+#include "asm/system.h"
+#include "asm/processor.h"
+
+/* A gratuitous name change */
+#define i386_bh_lock um_bh_lock
+#include "asm/arch/softirq.h"
+#undef i386_bh_lock
+
+#endif
diff --git a/include/asm-um/spinlock.h b/include/asm-um/spinlock.h
new file mode 100644
index 000000000000..bd6c35d4874c
--- /dev/null
+++ b/include/asm-um/spinlock.h
@@ -0,0 +1,10 @@
+#ifndef __UM_SPINLOCK_H
+#define __UM_SPINLOCK_H
+
+#include "linux/config.h"
+
+#ifdef CONFIG_SMP
+#include "asm/arch/spinlock.h"
+#endif
+
+#endif
diff --git a/include/asm-um/stat.h b/include/asm-um/stat.h
new file mode 100644
index 000000000000..83ed85ad2539
--- /dev/null
+++ b/include/asm-um/stat.h
@@ -0,0 +1,6 @@
+#ifndef __UM_STAT_H
+#define __UM_STAT_H
+
+#include "asm/arch/stat.h"
+
+#endif
diff --git a/include/asm-um/statfs.h b/include/asm-um/statfs.h
new file mode 100644
index 000000000000..ba6fb53e7f87
--- /dev/null
+++ b/include/asm-um/statfs.h
@@ -0,0 +1,6 @@
+#ifndef _UM_STATFS_H
+#define _UM_STATFS_H
+
+#include "asm/arch/statfs.h"
+
+#endif
diff --git a/include/asm-um/string.h b/include/asm-um/string.h
new file mode 100644
index 000000000000..9a0571f6dd61
--- /dev/null
+++ b/include/asm-um/string.h
@@ -0,0 +1,7 @@
+#ifndef __UM_STRING_H
+#define __UM_STRING_H
+
+#include "asm/arch/string.h"
+#include "asm/archparam.h"
+
+#endif
diff --git a/include/asm-um/suspend.h b/include/asm-um/suspend.h
new file mode 100644
index 000000000000..f4e8e007f468
--- /dev/null
+++ b/include/asm-um/suspend.h
@@ -0,0 +1,4 @@
+#ifndef __UM_SUSPEND_H
+#define __UM_SUSPEND_H
+
+#endif
diff --git a/include/asm-um/system-generic.h b/include/asm-um/system-generic.h
new file mode 100644
index 000000000000..98915529c549
--- /dev/null
+++ b/include/asm-um/system-generic.h
@@ -0,0 +1,41 @@
+#ifndef __UM_SYSTEM_GENERIC_H
+#define __UM_SYSTEM_GENERIC_H
+
+#include "asm/arch/system.h"
+
+#undef switch_to
+#undef local_irq_save
+#undef local_irq_restore
+#undef local_irq_disable
+#undef local_irq_enable
+#undef local_save_flags
+#undef local_irq_restore
+#undef local_irq_enable
+#undef local_irq_disable
+#undef local_irq_save
+#undef irqs_disabled
+
+extern void *switch_to(void *prev, void *next, void *last);
+
+extern int set_signals(int enable);
+extern void block_signals(void);
+extern void unblock_signals(void);
+extern int get_signals(void);
+
+#define local_save_flags(flags) do { (flags) = get_signals(); } while(0)
+#define local_irq_restore(flags) do { set_signals(flags); } while(0)
+
+#define local_irq_save(flags) do { local_save_flags(flags); \
+                                   local_irq_disable(); } while(0)
+
+#define local_irq_enable() unblock_signals()
+#define local_irq_disable() block_signals()
+
+#define irqs_disabled()			\
+({					\
+	unsigned long flags;		\
+	local_save_flags(flags);	\
+	(flags != 0);			\
+})
+
+#endif
diff --git a/include/asm-um/system-i386.h b/include/asm-um/system-i386.h
new file mode 100644
index 000000000000..bb77d416f251
--- /dev/null
+++ b/include/asm-um/system-i386.h
@@ -0,0 +1,6 @@
+#ifndef __UM_SYSTEM_I386_H
+#define __UM_SYSTEM_I386_H
+
+#include "asm/system-generic.h"
+
+#endif
diff --git a/include/asm-um/system-ppc.h b/include/asm-um/system-ppc.h
new file mode 100644
index 000000000000..17cde6640bf5
--- /dev/null
+++ b/include/asm-um/system-ppc.h
@@ -0,0 +1,12 @@
+#ifndef __UM_SYSTEM_PPC_H
+#define __UM_SYSTEM_PPC_H
+
+#define _switch_to _ppc_switch_to
+
+#include "asm/arch/system.h"
+
+#undef _switch_to
+ 
+#include "asm/system-generic.h"
+
+#endif
diff --git a/include/asm-um/termbits.h b/include/asm-um/termbits.h
new file mode 100644
index 000000000000..5739c608a2cb
--- /dev/null
+++ b/include/asm-um/termbits.h
@@ -0,0 +1,6 @@
+#ifndef __UM_TERMBITS_H
+#define __UM_TERMBITS_H
+
+#include "asm/arch/termbits.h"
+
+#endif
diff --git a/include/asm-um/termios.h b/include/asm-um/termios.h
new file mode 100644
index 000000000000..d9f97b303311
--- /dev/null
+++ b/include/asm-um/termios.h
@@ -0,0 +1,6 @@
+#ifndef __UM_TERMIOS_H
+#define __UM_TERMIOS_H
+
+#include "asm/arch/termios.h"
+
+#endif
diff --git a/include/asm-um/thread_info.h b/include/asm-um/thread_info.h
new file mode 100644
index 000000000000..494e367f4ff9
--- /dev/null
+++ b/include/asm-um/thread_info.h
@@ -0,0 +1,83 @@
+/* 
+ * Copyright (C) 2002 Jeff Dike (jdike@karaya.com)
+ * Licensed under the GPL
+ */
+
+#ifndef __UM_THREAD_INFO_H
+#define __UM_THREAD_INFO_H
+
+#ifndef __ASSEMBLY__
+
+#include <asm/processor.h>
+
+struct thread_info {
+	struct task_struct	*task;		/* main task structure */
+	struct exec_domain	*exec_domain;	/* execution domain */
+	unsigned long		flags;		/* low level flags */
+	__u32			cpu;		/* current CPU */
+	__s32			preempt_count;  /* 0 => preemptable, 
+						   <0 => BUG */
+	mm_segment_t		addr_limit;	/* thread address space:
+					 	   0-0xBFFFFFFF for user
+						   0-0xFFFFFFFF for kernel */
+};
+
+/*
+ * macros/functions for gaining access to the thread information structure
+ *
+ * preempt_count needs to be 1 initially, until the scheduler is functional.
+ */
+
+#define INIT_THREAD_INFO(tsk)			\
+{						\
+	task:		&tsk,			\
+	exec_domain:	&default_exec_domain,	\
+	flags:		0,			\
+	cpu:		0,			\
+	preempt_count:	1,			\
+	addr_limit:	KERNEL_DS,		\
+}
+
+#define init_thread_info	(init_thread_union.thread_info)
+#define init_stack		(init_thread_union.stack)
+
+/* how to get the thread information struct from C */
+static inline struct thread_info *current_thread_info(void)
+{
+	struct thread_info *ti;
+	__asm__("andl %%esp,%0; ":"=r" (ti) : "0" (~16383UL));
+	return ti;
+}
+
+/* thread information allocation */
+#define THREAD_SIZE (4*PAGE_SIZE)
+#define alloc_thread_info() ((struct thread_info *) \
+	__get_free_pages(GFP_KERNEL,2))
+#define free_thread_info(ti) free_pages((unsigned long) (ti), 2)
+#define get_thread_info(ti) get_task_struct((ti)->task)
+#define put_thread_info(ti) put_task_struct((ti)->task)
+
+#endif
+
+#define PREEMPT_ACTIVE		0x4000000
+
+#define TIF_SYSCALL_TRACE	0	/* syscall trace active */
+#define TIF_SIGPENDING		1	/* signal pending */
+#define TIF_NEED_RESCHED	2	/* rescheduling necessary */
+
+#define _TIF_SYSCALL_TRACE	(1 << TIF_SYSCALL_TRACE)
+#define _TIF_SIGPENDING		(1 << TIF_SIGPENDING)
+#define _TIF_NEED_RESCHED	(1 << TIF_NEED_RESCHED)
+
+#endif
+
+/*
+ * Overrides for Emacs so that we follow Linus's tabbing style.
+ * Emacs will notice this stuff at the end of the file and automatically
+ * adjust the settings for this buffer only.  This must remain at the end
+ * of the file.
+ * ---------------------------------------------------------------------------
+ * Local variables:
+ * c-file-style: "linux"
+ * End:
+ */
diff --git a/include/asm-um/timex.h b/include/asm-um/timex.h
new file mode 100644
index 000000000000..564eb790ae07
--- /dev/null
+++ b/include/asm-um/timex.h
@@ -0,0 +1,15 @@
+#ifndef __UM_TIMEX_H
+#define __UM_TIMEX_H
+
+#include "linux/time.h"
+
+typedef unsigned long cycles_t;
+
+#define cacheflush_time (0)
+
+static inline cycles_t get_cycles (void)
+{
+	return 0;
+}
+
+#endif
diff --git a/include/asm-um/tlb.h b/include/asm-um/tlb.h
new file mode 100644
index 000000000000..c640033bc1fd
--- /dev/null
+++ b/include/asm-um/tlb.h
@@ -0,0 +1,6 @@
+#ifndef __UM_TLB_H
+#define __UM_TLB_H
+
+#include <asm/arch/tlb.h>
+
+#endif
diff --git a/include/asm-um/tlbflush.h b/include/asm-um/tlbflush.h
new file mode 100644
index 000000000000..fd55c6efb4d3
--- /dev/null
+++ b/include/asm-um/tlbflush.h
@@ -0,0 +1,47 @@
+/* 
+ * Copyright (C) 2002 Jeff Dike (jdike@karaya.com)
+ * Licensed under the GPL
+ */
+
+#ifndef __UM_TLBFLUSH_H
+#define __UM_TLBFLUSH_H
+
+#include <linux/mm.h>
+
+/*
+ * TLB flushing:
+ *
+ *  - flush_tlb() flushes the current mm struct TLBs
+ *  - flush_tlb_all() flushes all processes TLBs
+ *  - flush_tlb_mm(mm) flushes the specified mm context TLB's
+ *  - flush_tlb_page(vma, vmaddr) flushes one page
+ *  - flush_tlb_kernel_vm() flushes the kernel vm area
+ *  - flush_tlb_range(vma, start, end) flushes a range of pages
+ *  - flush_tlb_pgtables(mm, start, end) flushes a range of page tables
+ */
+
+extern void flush_tlb_all(void);
+extern void flush_tlb_mm(struct mm_struct *mm);
+extern void flush_tlb_range(struct vm_area_struct *vma, unsigned long start, 
+			    unsigned long end);
+extern void flush_tlb_page(struct vm_area_struct *vma, unsigned long vmaddr);
+extern void flush_tlb_kernel_vm(void);
+extern void flush_tlb_kernel_range(unsigned long start, unsigned long end);
+
+static inline void flush_tlb_pgtables(struct mm_struct *mm,
+				      unsigned long start, unsigned long end)
+{
+}
+
+#endif
+
+/*
+ * Overrides for Emacs so that we follow Linus's tabbing style.
+ * Emacs will notice this stuff at the end of the file and automatically
+ * adjust the settings for this buffer only.  This must remain at the end
+ * of the file.
+ * ---------------------------------------------------------------------------
+ * Local variables:
+ * c-file-style: "linux"
+ * End:
+ */
diff --git a/include/asm-um/types.h b/include/asm-um/types.h
new file mode 100644
index 000000000000..816e9590fc73
--- /dev/null
+++ b/include/asm-um/types.h
@@ -0,0 +1,6 @@
+#ifndef __UM_TYPES_H
+#define __UM_TYPES_H
+
+#include "asm/arch/types.h"
+
+#endif
diff --git a/include/asm-um/uaccess.h b/include/asm-um/uaccess.h
new file mode 100644
index 000000000000..a8a7dfb7e4c8
--- /dev/null
+++ b/include/asm-um/uaccess.h
@@ -0,0 +1,193 @@
+/* 
+ * Copyright (C) 2000 Jeff Dike (jdike@karaya.com)
+ * Licensed under the GPL
+ */
+
+#ifndef __UM_UACCESS_H
+#define __UM_UACCESS_H
+
+#include "linux/string.h"
+#include "linux/sched.h"
+#include "asm/processor.h"
+#include "asm/errno.h"
+#include "asm/current.h"
+#include "asm/a.out.h"
+
+#define VERIFY_READ 0
+#define VERIFY_WRITE 1
+
+/*
+ * The fs value determines whether argument validity checking should be
+ * performed or not.  If get_fs() == USER_DS, checking is performed, with
+ * get_fs() == KERNEL_DS, checking is bypassed.
+ *
+ * For historical reasons, these macros are grossly misnamed.
+ */
+
+#define MAKE_MM_SEG(s)	((mm_segment_t) { (s) })
+
+#define ABOVE_KMEM (16 * 1024 * 1024)
+
+#define KERNEL_DS	MAKE_MM_SEG(0xFFFFFFFF)
+#define USER_DS		MAKE_MM_SEG(TASK_SIZE)
+
+#define get_ds()	(KERNEL_DS)
+#define get_fs()	(current_thread_info()->addr_limit)
+#define set_fs(x)	(current_thread_info()->addr_limit = (x))
+
+extern unsigned long end_vm;
+extern unsigned long uml_physmem;
+
+#define under_task_size(addr, size) \
+	(((unsigned long) (addr) < TASK_SIZE) && \
+         (((unsigned long) (addr) + (size)) < TASK_SIZE))
+
+#define is_stack(addr, size) \
+	(((unsigned long) (addr) < STACK_TOP) && \
+	 ((unsigned long) (addr) >= STACK_TOP - ABOVE_KMEM) && \
+	 (((unsigned long) (addr) + (size)) <= STACK_TOP))
+
+#define segment_eq(a, b) ((a).seg == (b).seg)
+
+#define access_ok(type, addr, size) \
+	((type == VERIFY_READ) || (segment_eq(get_fs(), KERNEL_DS)) || \
+         (((unsigned long) (addr) <= ((unsigned long) (addr) + (size))) && \
+          (under_task_size(addr, size) || is_stack(addr, size))))
+
+static inline int verify_area(int type, const void * addr, unsigned long size)
+{
+	return(access_ok(type, addr, size) ? 0 : -EFAULT);
+}
+
+extern unsigned long get_fault_addr(void);
+
+extern int __do_copy_from_user(void *to, const void *from, int n,
+				  void **fault_addr, void **fault_catcher);
+
+static inline int copy_from_user(void *to, const void *from, int n)
+{
+	return(access_ok(VERIFY_READ, from, n) ?
+	       __do_copy_from_user(to, from, n, 
+				   &current->thread.fault_addr,
+				   &current->thread.fault_catcher) : n);
+}
+
+#define __copy_from_user(to, from, n) copy_from_user(to, from, n)
+
+extern int __do_copy_to_user(void *to, const void *from, int n,
+				  void **fault_addr, void **fault_catcher);
+
+static inline int copy_to_user(void *to, const void *from, int n)
+{
+	return(access_ok(VERIFY_WRITE, to, n) ?
+	       __do_copy_to_user(to, from, n, 
+				   &current->thread.fault_addr,
+				   &current->thread.fault_catcher) : n);
+}
+
+#define __copy_to_user(to, from, n) copy_to_user(to, from, n)
+
+#define __get_user(x, ptr) \
+({ \
+        const __typeof__(ptr) __private_ptr = ptr; \
+        __typeof__(*(__private_ptr)) __private_val; \
+        int __private_ret = -EFAULT; \
+        (x) = 0; \
+	if (__copy_from_user(&__private_val, (__private_ptr), \
+	    sizeof(*(__private_ptr))) == 0) {\
+        	(x) = (__typeof__(*(__private_ptr))) __private_val; \
+		__private_ret = 0; \
+	} \
+        __private_ret; \
+}) 
+
+#define get_user(x, ptr) \
+({ \
+        const __typeof__((*ptr)) *private_ptr = (ptr); \
+        (access_ok(VERIFY_READ, private_ptr, sizeof(*private_ptr)) ? \
+	 __get_user(x, private_ptr) : ((x) = 0, -EFAULT)); \
+})
+
+#define __put_user(x, ptr) \
+({ \
+        __typeof__(ptr) __private_ptr = ptr; \
+        __typeof__(*(__private_ptr)) __private_val; \
+        int __private_ret = -EFAULT; \
+        __private_val = (__typeof__(*(__private_ptr))) (x); \
+        if (__copy_to_user((__private_ptr), &__private_val, \
+			   sizeof(*(__private_ptr))) == 0) { \
+		__private_ret = 0; \
+	} \
+        __private_ret; \
+})
+
+#define put_user(x, ptr) \
+({ \
+        __typeof__(*(ptr)) *private_ptr = (ptr); \
+        (access_ok(VERIFY_WRITE, private_ptr, sizeof(*private_ptr)) ? \
+	 __put_user(x, private_ptr) : -EFAULT); \
+})
+
+extern int __do_strncpy_from_user(char *dst, const char *src, size_t n,
+				  void **fault_addr, void **fault_catcher);
+
+static inline int strncpy_from_user(char *dst, const char *src, int count)
+{
+	int n;
+
+	if(!access_ok(VERIFY_READ, src, 1)) return(-EFAULT);
+	n = __do_strncpy_from_user(dst, src, count, 
+				   &current->thread.fault_addr,
+				   &current->thread.fault_catcher);
+	if(n < 0) return(-EFAULT);
+	return(n);
+}
+
+extern int __do_clear_user(void *mem, size_t len, void **fault_addr,
+			   void **fault_catcher);
+
+static inline int __clear_user(void *mem, int len)
+{
+	return(__do_clear_user(mem, len,
+			       &current->thread.fault_addr,
+			       &current->thread.fault_catcher));
+}
+
+static inline int clear_user(void *mem, int len)
+{
+	return(access_ok(VERIFY_WRITE, mem, len) ? 
+	       __do_clear_user(mem, len, 
+			       &current->thread.fault_addr,
+			       &current->thread.fault_catcher) : len);
+}
+
+extern int __do_strnlen_user(const char *str, unsigned long n,
+			     void **fault_addr, void **fault_catcher);
+
+static inline int strnlen_user(void *str, int len)
+{
+	return(__do_strnlen_user(str, len,
+				 &current->thread.fault_addr,
+				 &current->thread.fault_catcher));
+}
+
+#define strlen_user(str) strnlen_user(str, ~0UL >> 1)
+
+struct exception_table_entry
+{
+        unsigned long insn;
+	unsigned long fixup;
+};
+
+#endif
+
+/*
+ * Overrides for Emacs so that we follow Linus's tabbing style.
+ * Emacs will notice this stuff at the end of the file and automatically
+ * adjust the settings for this buffer only.  This must remain at the end
+ * of the file.
+ * ---------------------------------------------------------------------------
+ * Local variables:
+ * c-file-style: "linux"
+ * End:
+ */
diff --git a/include/asm-um/unaligned.h b/include/asm-um/unaligned.h
new file mode 100644
index 000000000000..1d2497c57274
--- /dev/null
+++ b/include/asm-um/unaligned.h
@@ -0,0 +1,6 @@
+#ifndef __UM_UNALIGNED_H
+#define __UM_UNALIGNED_H
+
+#include "asm/arch/unaligned.h"
+
+#endif
diff --git a/include/asm-um/unistd.h b/include/asm-um/unistd.h
new file mode 100644
index 000000000000..6c5e913cbf9c
--- /dev/null
+++ b/include/asm-um/unistd.h
@@ -0,0 +1,118 @@
+/* 
+ * Copyright (C) 2000, 2001  Jeff Dike (jdike@karaya.com)
+ * Licensed under the GPL
+ */
+
+#ifndef _UM_UNISTD_H_
+#define _UM_UNISTD_H_
+
+#include "linux/resource.h"
+#include "asm/uaccess.h"
+
+extern long sys_open(const char *filename, int flags, int mode);
+extern long sys_dup(unsigned int fildes);
+extern long sys_close(unsigned int fd);
+extern int um_execve(const char *file, char *const argv[], char *const env[]);
+extern long sys_setsid(void);
+extern long sys_waitpid(pid_t pid, unsigned int * stat_addr, int options);
+extern long sys_wait4(pid_t pid,unsigned int *stat_addr, int options, 
+		      struct rusage *ru);
+extern long sys_mount(char *dev_name, char *dir_name, char *type, 
+		      unsigned long flags, void *data);
+extern long sys_select(int n, fd_set *inp, fd_set *outp, fd_set *exp, 
+		       struct timeval *tvp);
+extern long sys_lseek(unsigned int fildes, unsigned long offset, int whence);
+extern long sys_read(unsigned int fildes, char *buf, int len);
+extern long sys_write(unsigned int fildes, char *buf, int len);
+
+#ifdef __KERNEL_SYSCALLS__
+
+#define KERNEL_CALL(ret_t, sys, args...)	\
+	mm_segment_t fs = get_fs();		\
+	ret_t ret;				\
+	set_fs(KERNEL_DS);			\
+	ret = sys(args);			\
+	set_fs(fs);				\
+	return ret;
+
+static inline long open(const char *pathname, int flags, int mode) 
+{
+	KERNEL_CALL(int, sys_open, pathname, flags, mode)
+}
+
+static inline long dup(unsigned int fd)
+{
+	KERNEL_CALL(int, sys_dup, fd);
+}
+
+static inline long close(unsigned int fd)
+{
+	KERNEL_CALL(int, sys_close, fd);
+}
+
+static inline int execve(const char *filename, char *const argv[], 
+			 char *const envp[])
+{
+	KERNEL_CALL(int, um_execve, filename, argv, envp);
+}
+
+static inline long waitpid(pid_t pid, unsigned int *status, int options)
+{
+	KERNEL_CALL(pid_t, sys_wait4, pid, status, options, NULL)
+}
+
+static inline pid_t wait(int *status)
+{
+	KERNEL_CALL(pid_t, sys_wait4, -1, status, 0, NULL)
+}
+
+static inline pid_t setsid(void)
+{
+	KERNEL_CALL(pid_t, sys_setsid)
+}
+
+static inline long lseek(unsigned int fd, off_t offset, unsigned int whence)
+{
+	KERNEL_CALL(long, sys_lseek, fd, offset, whence)
+}
+
+static inline int read(unsigned int fd, char * buf, int len)
+{
+	KERNEL_CALL(int, sys_read, fd, buf, len)
+}
+
+static inline int write(unsigned int fd, char * buf, int len)
+{
+	KERNEL_CALL(int, sys_write, fd, buf, len)
+}
+
+#endif
+
+/* Save the value of __KERNEL_SYSCALLS__, undefine it, include the underlying
+ * arch's unistd.h for the system call numbers, and restore the old 
+ * __KERNEL_SYSCALLS__.
+ */
+
+#ifdef __KERNEL_SYSCALLS__
+#define __SAVE_KERNEL_SYSCALLS__ __KERNEL_SYSCALLS__
+#endif
+
+#undef __KERNEL_SYSCALLS__
+#include "asm/arch/unistd.h"
+
+#ifdef __KERNEL_SYSCALLS__
+#define __KERNEL_SYSCALLS__ __SAVE_KERNEL_SYSCALLS__
+#endif
+
+#endif
+
+/*
+ * Overrides for Emacs so that we follow Linus's tabbing style.
+ * Emacs will notice this stuff at the end of the file and automatically
+ * adjust the settings for this buffer only.  This must remain at the end
+ * of the file.
+ * ---------------------------------------------------------------------------
+ * Local variables:
+ * c-file-style: "linux"
+ * End:
+ */
diff --git a/include/asm-um/user.h b/include/asm-um/user.h
new file mode 100644
index 000000000000..aae414ee1f5e
--- /dev/null
+++ b/include/asm-um/user.h
@@ -0,0 +1,6 @@
+#ifndef __UM_USER_H
+#define __UM_USER_H
+
+#include "asm/arch/user.h"
+
+#endif
diff --git a/include/asm-um/vga.h b/include/asm-um/vga.h
new file mode 100644
index 000000000000..903a592b00d0
--- /dev/null
+++ b/include/asm-um/vga.h
@@ -0,0 +1,6 @@
+#ifndef __UM_VGA_H
+#define __UM_VGA_H
+
+#include "asm/arch/vga.h"
+
+#endif
diff --git a/include/asm-x86_64/hdreg.h b/include/asm-x86_64/hdreg.h
index 7de6fcf98f85..6ca37a9778de 100644
--- a/include/asm-x86_64/hdreg.h
+++ b/include/asm-x86_64/hdreg.h
@@ -7,6 +7,6 @@
 #ifndef __ASMx86_64_HDREG_H
 #define __ASMx86_64_HDREG_H
 
-typedef unsigned short ide_ioreg_t;
+typedef unsigned long ide_ioreg_t;
 
 #endif /* __ASMx86_64_HDREG_H */
diff --git a/include/asm-x86_64/ide.h b/include/asm-x86_64/ide.h
index b2ad635bdf94..f6620abade97 100644
--- a/include/asm-x86_64/ide.h
+++ b/include/asm-x86_64/ide.h
@@ -1,5 +1,5 @@
 /*
- *  linux/include/asm-i386/ide.h
+ *  linux/include/asm-x86_64/ide.h
  *
  *  Copyright (C) 1994-1996  Linus Torvalds & authors
  */
@@ -8,8 +8,8 @@
  *  This file contains the i386 architecture specific IDE code.
  */
 
-#ifndef __ASMi386_IDE_H
-#define __ASMi386_IDE_H
+#ifndef __ASMx86_64_IDE_H
+#define __ASMx86_64_IDE_H
 
 #ifdef __KERNEL__
 
@@ -79,4 +79,4 @@ static __inline__ void ide_init_default_hwifs(void)
 
 #endif /* __KERNEL__ */
 
-#endif /* __ASMi386_IDE_H */
+#endif /* __ASMx86_64_IDE_H */
diff --git a/include/linux/bio.h b/include/linux/bio.h
index fee72762ad8d..5fdfd8e8936c 100644
--- a/include/linux/bio.h
+++ b/include/linux/bio.h
@@ -215,17 +215,11 @@ extern inline char *bio_kmap_irq(struct bio *bio, unsigned long *flags)
 {
 	unsigned long addr;
 
-	local_save_flags(*flags);
-
-	/*
-	 * could be low
-	 */
-	if (!PageHighMem(bio_page(bio)))
-		return bio_data(bio);
-
 	/*
-	 * it's a highmem page
+	 * might not be a highmem page, but the preempt/irq count
+	 * balancing is a lot nicer this way
 	 */
+	local_save_flags(*flags);
 	local_irq_disable();
 	addr = (unsigned long) kmap_atomic(bio_page(bio), KM_BIO_SRC_IRQ);
 
diff --git a/include/linux/ide.h b/include/linux/ide.h
index 1843237adf4a..c9064eff5996 100644
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -3,7 +3,7 @@
 /*
  *  linux/include/linux/ide.h
  *
- *  Copyright (C) 1994-1998  Linus Torvalds & authors
+ *  Copyright (C) 1994-2002  Linus Torvalds & authors
  */
 
 #include <linux/config.h>
@@ -14,18 +14,14 @@
 #include <linux/blkdev.h>
 #include <linux/proc_fs.h>
 #include <linux/devfs_fs_kernel.h>
+#include <linux/interrupt.h>
+#include <linux/bitops.h>
 #include <linux/bio.h>
 #include <asm/byteorder.h>
 #include <asm/system.h>
 #include <asm/hdreg.h>
 #include <asm/io.h>
 
-#ifdef CONFIG_BLK_DEV_IDEDMA_TIMEOUT
-#  define __IDEDMA_TIMEOUT
-#else /* CONFIG_BLK_DEV_IDEDMA_TIMEOUT */
-#  undef __IDEDMA_TIMEOUT
-#endif /* CONFIG_BLK_DEV_IDEDMA_TIMEOUT */
-
 /*
  * This is the multiple IDE interface driver, as evolved from hd.c.
  * It supports up to four IDE interfaces, on one or more IRQs (usually 14 & 15).
@@ -42,7 +38,7 @@
  *
  * REALLY_SLOW_IO can be defined in ide.c and ide-cd.c, if necessary
  */
-#undef REALLY_FAST_IO			/* define if ide ports are perfect */
+#define REALLY_FAST_IO			/* define if ide ports are perfect */
 #define INITIAL_MULT_COUNT	0	/* off=0; on=2,4,8,16,32, etc.. */
 
 #ifndef SUPPORT_SLOW_DATA_PORTS		/* 1 to support slow data ports */
@@ -170,9 +166,6 @@ typedef unsigned char	byte;	/* used everywhere */
 #define IDE_BCOUNTL_REG		IDE_LCYL_REG
 #define IDE_BCOUNTH_REG		IDE_HCYL_REG
 
-#define GET_ERR()		IN_BYTE(IDE_ERROR_REG)
-#define GET_STAT()		IN_BYTE(IDE_STATUS_REG)
-#define GET_ALTSTAT()		IN_BYTE(IDE_CONTROL_REG)
 #define OK_STAT(stat,good,bad)	(((stat)&((good)|(bad)))==(good))
 #define BAD_R_STAT		(BUSY_STAT   | ERR_STAT)
 #define BAD_W_STAT		(BAD_R_STAT  | WRERR_STAT)
@@ -180,6 +173,43 @@ typedef unsigned char	byte;	/* used everywhere */
 #define DRIVE_READY		(READY_STAT  | SEEK_STAT)
 #define DATA_READY		(DRQ_STAT)
 
+#define BAD_CRC			(ABRT_ERR    | ICRC_ERR)
+
+#define SATA_NR_PORTS		(3)	/* 16 possible ?? */
+
+#define SATA_STATUS_OFFSET	(0)
+#define SATA_STATUS_REG		(HWIF(drive)->sata_scr[SATA_STATUS_OFFSET])
+#define SATA_ERROR_OFFSET	(1)
+#define SATA_ERROR_REG		(HWIF(drive)->sata_scr[SATA_ERROR_OFFSET])
+#define SATA_CONTROL_OFFSET	(2)
+#define SATA_CONTROL_REG	(HWIF(drive)->sata_scr[SATA_CONTROL_OFFSET])
+
+#define SATA_MISC_OFFSET	(0)
+#define SATA_MISC_REG		(HWIF(drive)->sata_misc[SATA_MISC_OFFSET])
+#define SATA_PHY_OFFSET		(1)
+#define SATA_PHY_REG		(HWIF(drive)->sata_misc[SATA_PHY_OFFSET])
+#define SATA_IEN_OFFSET		(2)
+#define SATA_IEN_REG		(HWIF(drive)->sata_misc[SATA_IEN_OFFSET])
+
+/*
+ * Our Physical Region Descriptor (PRD) table should be large enough
+ * to handle the biggest I/O request we are likely to see.  Since requests
+ * can have no more than 256 sectors, and since the typical blocksize is
+ * two or more sectors, we could get by with a limit of 128 entries here for
+ * the usual worst case.  Most requests seem to include some contiguous blocks,
+ * further reducing the number of table entries required.
+ *
+ * The driver reverts to PIO mode for individual requests that exceed
+ * this limit (possible with 512 byte blocksizes, eg. MSDOS f/s), so handling
+ * 100% of all crazy scenarios here is not necessary.
+ *
+ * As it turns out though, we must allocate a full 4KB page for this,
+ * so the two PRD tables (ide0 & ide1) will each get half of that,
+ * allowing each to have about 256 entries (8 bytes each) from this.
+ */
+#define PRD_BYTES       8
+#define PRD_ENTRIES     (PAGE_SIZE / (2 * PRD_BYTES))
+
 /*
  * sector count bits
  */
@@ -215,21 +245,12 @@ typedef unsigned char	byte;	/* used everywhere */
 #define PARTN_BITS	6	/* number of minor dev bits for partitions */
 #define PARTN_MASK	((1<<PARTN_BITS)-1)	/* a useful bit mask */
 #define MAX_DRIVES	2	/* per interface; 2 assumed by lots of code */
-#define CASCADE_DRIVES	8	/* per interface; 8|2 assumed by lots of code */
 #define SECTOR_SIZE	512
 #define SECTOR_WORDS	(SECTOR_SIZE / 4)	/* number of 32bit words per sector */
 #define IDE_LARGE_SEEK(b1,b2,t)	(((b1) > (b2) + (t)) || ((b2) > (b1) + (t)))
 #define IDE_MIN(a,b)	((a)<(b) ? (a):(b))
 #define IDE_MAX(a,b)	((a)>(b) ? (a):(b))
 
-#ifndef SPLIT_WORD
-#  define SPLIT_WORD(W,HB,LB) ((HB)=(W>>8), (LB)=(W-((W>>8)<<8)))
-#endif
-#ifndef MAKE_WORD
-#  define MAKE_WORD(W,HB,LB) ((W)=((HB<<8)+LB))
-#endif
-
-
 /*
  * Timeouts for various operations:
  */
@@ -244,39 +265,6 @@ typedef unsigned char	byte;	/* used everywhere */
 #define WAIT_CMD	(10*HZ)	/* 10sec  - maximum wait for an IRQ to happen */
 #define WAIT_MIN_SLEEP	(2*HZ/100)	/* 20msec - minimum sleep time */
 
-#define SELECT_DRIVE(hwif,drive)				\
-{								\
-	if (hwif->selectproc)					\
-		hwif->selectproc(drive);			\
-	OUT_BYTE((drive)->select.all, hwif->io_ports[IDE_SELECT_OFFSET]); \
-}
-
-#define SELECT_INTERRUPT(hwif,drive)				\
-{								\
-	if (hwif->intrproc)					\
-		hwif->intrproc(drive);				\
-	else							\
-		OUT_BYTE((drive)->ctl|2, hwif->io_ports[IDE_CONTROL_OFFSET]);	\
-}
-
-#define SELECT_MASK(hwif,drive,mask)				\
-{								\
-	if (hwif->maskproc)					\
-		hwif->maskproc(drive,mask);			\
-}
-
-#define SELECT_READ_WRITE(hwif,drive,func)			\
-{								\
-	if (hwif->rwproc)					\
-		hwif->rwproc(drive,func);			\
-}
-
-#define QUIRK_LIST(hwif,drive)					\
-{								\
-	if (hwif->quirkproc)					\
-		(drive)->quirk_list = hwif->quirkproc(drive);	\
-}
-
 #define HOST(hwif,chipset)					\
 {								\
 	return ((hwif)->chipset == chipset) ? 1 : 0;		\
@@ -304,9 +292,34 @@ typedef enum {	ide_unknown,	ide_generic,	ide_pci,
 		ide_qd65xx,	ide_umc8672,	ide_ht6560b,
 		ide_pdc4030,	ide_rz1000,	ide_trm290,
 		ide_cmd646,	ide_cy82c693,	ide_4drives,
-		ide_pmac,	ide_etrax100
+		ide_pmac,	ide_etrax100,	ide_acorn
 } hwif_chipset_t;
 
+typedef struct ide_io_ops_s {
+	/* insert io operations here! */
+	void (*OUTB)(u8 addr, u32 port);
+	void (*OUTW)(u16 addr, u32 port);
+	void (*OUTL)(u32 addr, u32 port);
+	void (*OUTBP)(u8 addr, u32 port);
+	void (*OUTWP)(u16 addr, u32 port);
+	void (*OUTLP)(u32 addr, u32 port);
+	void (*OUTSW)(u32 port, void *addr, u32 count);
+	void (*OUTSWP)(u32 port, void *addr, u32 count);
+	void (*OUTSL)(u32 port, void *addr, u32 count);
+	void (*OUTSLP)(u32 port, void *addr, u32 count);
+
+	u8  (*INB)(u32 port);
+	u16 (*INW)(u32 port);
+	u32 (*INL)(u32 port);
+	u8  (*INBP)(u32 port);
+	u16 (*INWP)(u32 port);
+	u32 (*INLP)(u32 port);
+	void (*INSW)(u32 port, void *addr, u32 count);
+	void (*INSWP)(u32 port, void *addr, u32 count);
+	void (*INSL)(u32 port, void *addr, u32 count);
+	void (*INSLP)(u32 port, void *addr, u32 count);
+} ide_io_ops_t;
+
 /*
  * Structure to hold all information about the location of this port
  */
@@ -317,6 +330,11 @@ typedef struct hw_regs_s {
 	ide_ack_intr_t	*ack_intr;		/* acknowledge interrupt */
 	void		*priv;			/* interface specific data */
 	hwif_chipset_t  chipset;
+#if 0
+	ide_io_ops_t	*iops;			/* */
+#endif
+	sata_ioreg_t	sata_scr[SATA_NR_PORTS];
+	sata_ioreg_t	sata_misc[SATA_NR_PORTS];
 } hw_regs_t;
 
 /*
@@ -333,10 +351,27 @@ void ide_setup_ports(	hw_regs_t *hw,
 			ide_ioreg_t ctrl,
 			ide_ioreg_t intr,
 			ide_ack_intr_t *ack_intr,
+#if 0
+			ide_io_ops_t *iops,
+#endif
 			int irq);
 
 #include <asm/ide.h>
 
+/* Currently only m68k, apus and m8xx need it */
+#ifdef IDE_ARCH_ACK_INTR
+extern int ide_irq_lock;
+# define ide_ack_intr(hwif) (hwif->hw.ack_intr ? hwif->hw.ack_intr(hwif) : 1)
+#else
+# define ide_ack_intr(hwif) (1)
+#endif
+
+/* Currently only Atari needs it */
+#ifndef IDE_ARCH_LOCK
+# define ide_release_lock(lock)			do {} while (0)
+# define ide_get_lock(lock, hdlr, data)		do {} while (0)
+#endif /* IDE_ARCH_LOCK */
+
 /*
  * If the arch-dependant ide.h did not declare/define any OUT_BYTE
  * or IN_BYTE functions, we make some defaults here.
@@ -346,20 +381,30 @@ void ide_setup_ports(	hw_regs_t *hw,
 # ifdef REALLY_FAST_IO
 #  define OUT_BYTE(b,p)		outb((b),(p))
 #  define OUT_WORD(w,p)		outw((w),(p))
+#  define OUT_LONG(l,p)		outl((l),(p))
 # else
 #  define OUT_BYTE(b,p)		outb_p((b),(p))
 #  define OUT_WORD(w,p)		outw_p((w),(p))
+#  define OUT_LONG(l,p)		outl_p((l),(p))
 # endif
+# define OUT_BYTE_P(b,p)	outb_p((b),(p))
+# define OUT_WORD_P(w,p)	outw_p((w),(p))
+# define OUT_LONG_P(l,p)	outl_p((l),(p))
 #endif
 
 #ifndef HAVE_ARCH_IN_BYTE
 # ifdef REALLY_FAST_IO
-#  define IN_BYTE(p)		(byte)inb(p)
-#  define IN_WORD(p)		(short)inw(p)
+#  define IN_BYTE(p)		(u8) inb(p)
+#  define IN_WORD(p)		(u16) inw(p)
+#  define IN_LONG(p)		(u32) inl(p)
 # else
-#  define IN_BYTE(p)		(byte)inb_p(p)
-#  define IN_WORD(p)		(short)inw_p(p)
+#  define IN_BYTE(p)		(u8) inb_p(p)
+#  define IN_WORD(p)		(u16) inw_p(p)
+#  define IN_LONG(p)		(u32) inl_p(p)
 # endif
+# define IN_BYTE_P(p)		(u8) inb_p(p)
+# define IN_WORD_P(p)		(u16) inw_p(p)
+# define IN_LONG_P(p)		(u32) inl_p(p)
 #endif
 
 /*
@@ -373,201 +418,453 @@ void ide_setup_ports(	hw_regs_t *hw,
 #define ide_tape	0x1
 #define ide_floppy	0x0
 
+/*
+ * Special Driver Flags
+ *
+ * set_geometry	: respecify drive geometry
+ * recalibrate	: seek to cyl 0
+ * set_multmode	: set multmode count
+ * set_tune	: tune interface for drive
+ * serviced	: service command
+ * reserved	: unused
+ */
 typedef union {
-	unsigned all			: 8;	/* all of the bits together */
+	unsigned all			: 8;
 	struct {
 #if defined(__LITTLE_ENDIAN_BITFIELD)
-		unsigned set_geometry	: 1;	/* respecify drive geometry */
-		unsigned recalibrate	: 1;	/* seek to cyl 0      */
-		unsigned set_multmode	: 1;	/* set multmode count */
-		unsigned set_tune	: 1;	/* tune interface for drive */
-		unsigned serviced	: 1;	/* service command */
-		unsigned reserved	: 3;	/* unused */
+		unsigned set_geometry	: 1;
+		unsigned recalibrate	: 1;
+		unsigned set_multmode	: 1;
+		unsigned set_tune	: 1;
+		unsigned serviced	: 1;
+		unsigned reserved	: 3;
 #elif defined(__BIG_ENDIAN_BITFIELD)
-		unsigned reserved	: 3;	/* unused */
-		unsigned serviced	: 1;	/* service command */
-		unsigned set_tune	: 1;	/* tune interface for drive */
-		unsigned set_multmode	: 1;	/* set multmode count */
-		unsigned recalibrate	: 1;	/* seek to cyl 0      */
-		unsigned set_geometry	: 1;	/* respecify drive geometry */
+		unsigned reserved	: 3;
+		unsigned serviced	: 1;
+		unsigned set_tune	: 1;
+		unsigned set_multmode	: 1;
+		unsigned recalibrate	: 1;
+		unsigned set_geometry	: 1;
 #else
 #error "Please fix <asm/byteorder.h>"
 #endif
 	} b;
 } special_t;
 
+/*
+ * ATA DATA Register Special.
+ * ATA NSECTOR Count Register().
+ * ATAPI Byte Count Register.
+ * Channel index ordering pairs.
+ */
+typedef union {
+	unsigned all			:16;
+	struct {
+#if defined(__LITTLE_ENDIAN_BITFIELD)
+		unsigned low		:8;	/* LSB */
+		unsigned high		:8;	/* MSB */
+#elif defined(__BIG_ENDIAN_BITFIELD)
+		unsigned high		:8;	/* MSB */
+		unsigned low		:8;	/* LSB */
+#else
+#error "Please fix <asm/byteorder.h>"
+#endif
+	} b;
+} ata_nsector_t, ata_data_t, atapi_bcount_t, ata_index_t;
+
+/*
+ * ATA-IDE Error Register
+ *
+ * mark		: Bad address mark
+ * tzero	: Couldn't find track 0
+ * abrt		: Aborted Command
+ * mcr		: Media Change Request
+ * id		: ID field not found
+ * mce		: Media Change Event
+ * ecc		: Uncorrectable ECC error
+ * bdd		: dual meaing
+ */
 typedef union {
-	unsigned all			: 8;	/* all of the bits together */
+	unsigned all			:8;
 	struct {
 #if defined(__LITTLE_ENDIAN_BITFIELD)
-		unsigned head		: 4;	/* always zeros here */
-		unsigned unit		: 1;	/* drive select number: 0/1 */
-		unsigned bit5		: 1;	/* always 1 */
-		unsigned lba		: 1;	/* using LBA instead of CHS */
-		unsigned bit7		: 1;	/* always 1 */
+		unsigned mark		:1;
+		unsigned tzero		:1;
+		unsigned abrt		:1;
+		unsigned mcr		:1;
+		unsigned id		:1;
+		unsigned mce		:1;
+		unsigned ecc		:1;
+		unsigned bdd		:1;
 #elif defined(__BIG_ENDIAN_BITFIELD)
-		unsigned bit7		: 1;	/* always 1 */
-		unsigned lba		: 1;	/* using LBA instead of CHS */
-		unsigned bit5		: 1;	/* always 1 */
-		unsigned unit		: 1;	/* drive select number: 0/1 */
-		unsigned head		: 4;	/* always zeros here */
+		unsigned bdd		:1;
+		unsigned ecc		:1;
+		unsigned mce		:1;
+		unsigned id		:1;
+		unsigned mcr		:1;
+		unsigned abrt		:1;
+		unsigned tzero		:1;
+		unsigned mark		:1;
 #else
 #error "Please fix <asm/byteorder.h>"
 #endif
 	} b;
-} select_t;
+} ata_error_t;
 
+/*
+ * ATA-IDE Select Register, aka Device-Head
+ *
+ * head		: always zeros here
+ * unit		: drive select number: 0/1
+ * bit5		: always 1
+ * lba		: using LBA instead of CHS
+ * bit7		: always 1
+ */
 typedef union {
-	unsigned all			: 8;	/* all of the bits together */
+	unsigned all			: 8;
+	struct {
+#if defined(__LITTLE_ENDIAN_BITFIELD)
+		unsigned head		: 4;
+		unsigned unit		: 1;
+		unsigned bit5		: 1;
+		unsigned lba		: 1;
+		unsigned bit7		: 1;
+#elif defined(__BIG_ENDIAN_BITFIELD)
+		unsigned bit7		: 1;
+		unsigned lba		: 1;
+		unsigned bit5		: 1;
+		unsigned unit		: 1;
+		unsigned head		: 4;
+#else
+#error "Please fix <asm/byteorder.h>"
+#endif
+	} b;
+} select_t, ata_select_t;
+
+/*
+ * The ATA-IDE Status Register.
+ * The ATAPI Status Register.
+ *
+ * check	: Error occurred
+ * idx		: Index Error
+ * corr		: Correctable error occurred
+ * drq		: Data is request by the device
+ * dsc		: Disk Seek Complete			: ata
+ *		: Media access command finished		: atapi
+ * df		: Device Fault				: ata
+ *		: Reserved				: atapi
+ * drdy		: Ready, Command Mode Capable		: ata
+ *		: Ignored for ATAPI commands		: atapi
+ * bsy		: Disk is Busy
+ *		: The device has access to the command block
+ */
+typedef union {
+	unsigned all			:8;
+	struct {
+#if defined(__LITTLE_ENDIAN_BITFIELD)
+		unsigned check		:1;
+		unsigned idx		:1;
+		unsigned corr		:1;
+		unsigned drq		:1;
+		unsigned dsc		:1;
+		unsigned df		:1;
+		unsigned drdy		:1;
+		unsigned bsy		:1;
+#elif defined(__BIG_ENDIAN_BITFIELD)
+		unsigned bsy		:1;
+		unsigned drdy		:1;
+		unsigned df		:1;
+		unsigned dsc		:1;
+		unsigned drq		:1;
+		unsigned corr           :1;
+		unsigned idx		:1;
+		unsigned check		:1;
+#else
+#error "Please fix <asm/byteorder.h>"
+#endif
+	} b;
+} ata_status_t, atapi_status_t;
+
+/*
+ * ATA-IDE Control Register
+ *
+ * bit0		: Should be set to zero
+ * nIEN		: device INTRQ to host
+ * SRST		: host soft reset bit
+ * bit3		: ATA-2 thingy, Should be set to 1
+ * reserved456	: Reserved
+ * HOB		: 48-bit address ordering, High Ordered Bit
+ */
+typedef union {
+	unsigned all			: 8;
 	struct {
 #if defined(__LITTLE_ENDIAN_BITFIELD)
 		unsigned bit0		: 1;
-		unsigned nIEN		: 1;	/* device INTRQ to host */
-		unsigned SRST		: 1;	/* host soft reset bit */
-		unsigned bit3		: 1;	/* ATA-2 thingy */
-		unsigned reserved456    : 3;
-		unsigned HOB            : 1;	/* 48-bit address ordering */
+		unsigned nIEN		: 1;
+		unsigned SRST		: 1;
+		unsigned bit3		: 1;
+		unsigned reserved456	: 3;
+		unsigned HOB		: 1;
 #elif defined(__BIG_ENDIAN_BITFIELD)
-		unsigned HOB		: 1;	/* 48-bit address ordering */
+		unsigned HOB		: 1;
 		unsigned reserved456	: 3;
-		unsigned bit3		: 1;	/* ATA-2 thingy */
-		unsigned SRST		: 1;	/* host soft reset bit */
-		unsigned nIEN		: 1;	/* device INTRQ to host */
+		unsigned bit3		: 1;
+		unsigned SRST		: 1;
+		unsigned nIEN		: 1;
 		unsigned bit0		: 1;
 #else
 #error "Please fix <asm/byteorder.h>"
 #endif
 	} b;
-} control_t;
+} ata_control_t;
 
+/*
+ * ATAPI Feature Register
+ *
+ * dma		: Using DMA or PIO
+ * reserved321	: Reserved
+ * reserved654	: Reserved (Tag Type)
+ * reserved7	: Reserved
+ */
+typedef union {
+	unsigned all			:8;
+	struct {
+#if defined(__LITTLE_ENDIAN_BITFIELD)
+		unsigned dma		:1;
+		unsigned reserved321	:3;
+		unsigned reserved654	:3;
+		unsigned reserved7	:1;
+#elif defined(__BIG_ENDIAN_BITFIELD)
+		unsigned reserved7	:1;
+		unsigned reserved654	:3;
+		unsigned reserved321	:3;
+		unsigned dma		:1;
+#else
+#error "Please fix <asm/byteorder.h>"
+#endif
+	} b;
+} atapi_feature_t;
+
+/*
+ * ATAPI Interrupt Reason Register.
+ *
+ * cod		: Information transferred is command (1) or data (0)
+ * io		: The device requests us to read (1) or write (0)
+ * reserved	: Reserved
+ */
+typedef union {
+	unsigned all			:8;
+	struct {
+#if defined(__LITTLE_ENDIAN_BITFIELD)
+		unsigned cod		:1;
+		unsigned io		:1;
+		unsigned reserved	:6;
+#elif defined(__BIG_ENDIAN_BITFIELD)
+		unsigned reserved	:6;
+		unsigned io		:1;
+		unsigned cod		:1;
+#else
+#error "Please fix <asm/byteorder.h>"
+#endif
+	} b;
+} atapi_ireason_t;
+
+/*
+ * The ATAPI error register.
+ *
+ * ili		: Illegal Length Indication
+ * eom		: End Of Media Detected
+ * abrt		: Aborted command - As defined by ATA
+ * mcr		: Media Change Requested - As defined by ATA
+ * sense_key	: Sense key of the last failed packet command
+ */
+typedef union {
+	unsigned all			:8;
+	struct {
+#if defined(__LITTLE_ENDIAN_BITFIELD)
+		unsigned ili		:1;
+		unsigned eom		:1;
+		unsigned abrt		:1;
+		unsigned mcr		:1;
+		unsigned sense_key	:4;
+#elif defined(__BIG_ENDIAN_BITFIELD)
+		unsigned sense_key	:4;
+		unsigned mcr		:1;
+		unsigned abrt		:1;
+		unsigned eom		:1;
+		unsigned ili		:1;
+#else
+#error "Please fix <asm/byteorder.h>"
+#endif
+	} b;
+} atapi_error_t;
+
+/*
+ * ATAPI floppy Drive Select Register
+ *
+ * sam_lun	: Logical unit number
+ * reserved3	: Reserved
+ * drv		: The responding drive will be drive 0 (0) or drive 1 (1)
+ * one5		: Should be set to 1
+ * reserved6	: Reserved
+ * one7		: Should be set to 1
+ */
+typedef union {
+	unsigned all			:8;
+	struct {
+#if defined(__LITTLE_ENDIAN_BITFIELD)
+		unsigned sam_lun	:3;
+		unsigned reserved3	:1;
+		unsigned drv		:1;
+		unsigned one5		:1;
+		unsigned reserved6	:1;
+		unsigned one7		:1;
+#elif defined(__BIG_ENDIAN_BITFIELD)
+		unsigned one7		:1;
+		unsigned reserved6	:1;
+		unsigned one5		:1;
+		unsigned drv		:1;
+		unsigned reserved3	:1;
+		unsigned sam_lun	:3;
+#else
+#error "Please fix <asm/byteorder.h>"
+#endif
+	} b;
+} atapi_select_t;
 
 struct ide_driver_s;
 struct ide_settings_s;
 
 typedef struct ide_drive_s {
-	request_queue_t		 queue;	/* request queue */
+	char		name[4];	/* drive name, such as "hda" */
+        char            driver_req[10];	/* requests specific driver */
+
+	request_queue_t		queue;	/* request queue */
+
+	struct request		*rq;	/* current request */
 	struct ide_drive_s 	*next;	/* circular list of hwgroup drives */
+	struct ide_driver_s	*driver;/* (ide_driver_t *) */
+	void		*driver_data;	/* extra driver data */
+	struct hd_driveid	*id;	/* drive model identification info */
+	struct proc_dir_entry *proc;	/* /proc/ide/ directory entry */
+	struct ide_settings_s *settings;/* /proc/ide/ drive settings */
+	devfs_handle_t		de;	/* directory for device */
+
+	struct hwif_s		*hwif;	/* actually (ide_hwif_t *) */
+
 	unsigned long sleep;		/* sleep until this time */
 	unsigned long service_start;	/* time we started last request */
 	unsigned long service_time;	/* service time of last request */
 	unsigned long timeout;		/* max time to wait for irq */
+
 	special_t	special;	/* special action flags */
-	byte     keep_settings;		/* restore settings after drive reset */
-	byte     using_dma;		/* disk is using dma for read/write */
-	byte	 retry_pio;		/* retrying dma capable host in pio */
-	byte	 state;			/* retry state */
-	byte     waiting_for_dma;	/* dma currently in progress */
-	byte     unmask;		/* flag: okay to unmask other irqs */
-	byte     slow;			/* flag: slow data port */
-	byte     bswap;			/* flag: byte swap data */
-	byte     dsc_overlap;		/* flag: DSC overlap */
-	byte     nice1;			/* flag: give potential excess bandwidth */
+	select_t	select;		/* basic drive/head select reg value */
+
+	u8	keep_settings;		/* restore settings after drive reset */
+	u8	autodma;		/* device can safely use dma on host */
+	u8	using_dma;		/* disk is using dma for read/write */
+	u8	using_tcq;		/* disk is using queueing */
+	u8	retry_pio;		/* retrying dma capable host in pio */
+	u8	state;			/* retry state */
+	u8	waiting_for_dma;	/* dma currently in progress */
+	u8	unmask;			/* okay to unmask other irqs */
+	u8	slow;			/* slow data port */
+	u8	bswap;			/* byte swap data */
+	u8	dsc_overlap;		/* DSC overlap */
+	u8	nice1;			/* give potential excess bandwidth */
+
 	unsigned present	: 1;	/* drive is physically present */
 	unsigned noprobe 	: 1;	/* from:  hdx=noprobe */
 	unsigned removable	: 1;	/* 1 if need to do check_media_change */
+	unsigned is_flash	: 1;	/* 1 if probed as flash */
 	unsigned forced_geom	: 1;	/* 1 if hdx=c,h,s was given at boot */
 	unsigned no_unmask	: 1;	/* disallow setting unmask bit */
 	unsigned no_io_32bit	: 1;	/* disallow enabling 32bit I/O */
-	unsigned nobios		: 1;	/* flag: do not probe bios for drive */
-	unsigned atapi_overlap	: 1;	/* flag: ATAPI overlap (not supported) */
-	unsigned nice0		: 1;	/* flag: give obvious excess bandwidth */
-	unsigned nice2		: 1;	/* flag: give a share in our own bandwidth */
-	unsigned doorlocking	: 1;	/* flag: for removable only: door lock/unlock works */
+	unsigned nobios		: 1;	/* do not probe bios for drive */
+	unsigned atapi_overlap	: 1;	/* ATAPI overlap (not supported) */
+	unsigned nice0		: 1;	/* give obvious excess bandwidth */
+	unsigned nice2		: 1;	/* give a share in our own bandwidth */
+	unsigned doorlocking	: 1;	/* for removable only: door lock/unlock works */
 	unsigned autotune	: 2;	/* 1=autotune, 2=noautotune, 0=default */
 	unsigned remap_0_to_1	: 2;	/* 0=remap if ezdrive, 1=remap, 2=noremap */
 	unsigned ata_flash	: 1;	/* 1=present, 0=default */
-	unsigned addressing;		/*	: 3;
+	unsigned addressing;		/*      : 3;
 					 *  0=28-bit
 					 *  1=48-bit
 					 *  2=48-bit doing 28-bit
 					 *  3=64-bit
 					 */
-	byte		scsi;		/* 0=default, 1=skip current ide-subdriver for ide-scsi emulation */
-	byte		media;		/* disk, cdrom, tape, floppy, ... */
-	select_t	select;		/* basic drive/head select reg value */
-	byte		ctl;		/* "normal" value for IDE_CONTROL_REG */
-	byte		ready_stat;	/* min status value for drive ready */
-	byte		mult_count;	/* current multiple sector setting */
-	byte 		mult_req;	/* requested multiple sector setting */
-	byte 		tune_req;	/* requested drive tuning setting */
-	byte		io_32bit;	/* 0=16-bit, 1=32-bit, 2/3=32bit+sync */
-	byte		bad_wstat;	/* used for ignoring WRERR_STAT */
-	byte		nowerr;		/* used for ignoring WRERR_STAT */
-	byte		sect0;		/* offset of first sector for DM6:DDO */
-	unsigned int	usage;		/* current "open()" count for drive */
-	byte 		head;		/* "real" number of heads */
-	byte		sect;		/* "real" sectors per track */
-	byte		bios_head;	/* BIOS/fdisk/LILO number of heads */
-	byte		bios_sect;	/* BIOS/fdisk/LILO sectors per track */
+
+	u8	scsi;		/* 0=default, 1=skip current ide-subdriver for ide-scsi emulation */
+        u8	quirk_list;	/* considered quirky, set for a specific host */
+        u8	suspend_reset;	/* drive suspend mode flag, soft-reset recovers */
+        u8	init_speed;	/* transfer rate set at boot */
+        u8	current_speed;	/* current transfer rate set */
+        u8	dn;		/* now wide spread use */
+        u8	wcache;		/* status of write cache */
+	u8	acoustic;	/* acoustic management */
+	u8	media;		/* disk, cdrom, tape, floppy, ... */
+	u8	ctl;		/* "normal" value for IDE_CONTROL_REG */
+	u8	ready_stat;	/* min status value for drive ready */
+	u8	mult_count;	/* current multiple sector setting */
+	u8	mult_req;	/* requested multiple sector setting */
+	u8	tune_req;	/* requested drive tuning setting */
+	u8	io_32bit;	/* 0=16-bit, 1=32-bit, 2/3=32bit+sync */
+	u8	bad_wstat;	/* used for ignoring WRERR_STAT */
+	u8	nowerr;		/* used for ignoring WRERR_STAT */
+	u8	sect0;		/* offset of first sector for DM6:DDO */
+	u8	head;		/* "real" number of heads */
+	u8	sect;		/* "real" sectors per track */
+	u8	bios_head;	/* BIOS/fdisk/LILO number of heads */
+	u8	bios_sect;	/* BIOS/fdisk/LILO sectors per track */
+
 	unsigned int	bios_cyl;	/* BIOS/fdisk/LILO number of cyls */
 	unsigned int	cyl;		/* "real" number of cyls */
-	unsigned long	capacity;	/* total number of sectors */
-	unsigned long long capacity48;	/* total number of sectors */
-	unsigned int	drive_data;	/* for use by tuneproc/selectproc as needed */
-	struct hwif_s	  *hwif;	/* actually (ide_hwif_t *) */
-	struct hd_driveid *id;		/* drive model identification info */
-	char		name[4];	/* drive name, such as "hda" */
-	struct ide_driver_s *driver;	/* (ide_driver_t *) */
-	void		*driver_data;	/* extra driver data */
-	devfs_handle_t	de;		/* directory for device */
-	struct proc_dir_entry *proc;	/* /proc/ide/ directory entry */
-	struct ide_settings_s *settings;	/* /proc/ide/ drive settings */
-	char		driver_req[10];	/* requests specific driver */
+	unsigned int	drive_data;	/* use by tuneproc/selectproc */
+	unsigned int	usage;		/* current "open()" count for drive */
+	unsigned int	failures;	/* current failure count */
+	unsigned int	max_failures;	/* maximum allowed failure count */
+
+	u32		capacity;	/* total number of sectors */
+	u64		capacity48;	/* total number of sectors */
+
 	int		last_lun;	/* last logical unit */
 	int		forced_lun;	/* if hdxlun was given at boot */
 	int		lun;		/* logical unit */
 	int		crc_count;	/* crc counter to reduce drive speed */
-	byte		quirk_list;	/* drive is considered quirky if set for a specific host */
-	byte		suspend_reset;	/* drive suspend mode flag, soft-reset recovers */
-	byte		init_speed;	/* transfer rate set at boot */
-	byte		current_speed;	/* current transfer rate set */
-	byte		dn;		/* now wide spread use */
-	byte		wcache;		/* status of write cache */
-	byte		acoustic;	/* acoustic management */
-	unsigned int	failures;	/* current failure count */
-	unsigned int	max_failures;	/* maximum allowed failure count */
 	struct list_head list;
 	struct gendisk *disk;
 } ide_drive_t;
 
-/*
- * An ide_dmaproc_t() initiates/aborts DMA read/write operations on a drive.
- *
- * The caller is assumed to have selected the drive and programmed the drive's
- * sector address using CHS or LBA.  All that remains is to prepare for DMA
- * and then issue the actual read/write DMA/PIO command to the drive.
- *
- * Returns 0 if all went well.
- * Returns 1 if DMA read/write could not be started, in which case the caller
- * should either try again later, or revert to PIO for the current request.
- */
-typedef enum {	ide_dma_read,	ide_dma_write,		ide_dma_begin,
-		ide_dma_end,	ide_dma_check,		ide_dma_on,
-		ide_dma_off,	ide_dma_off_quietly,	ide_dma_test_irq,
-		ide_dma_host_on,			ide_dma_host_off,
-		ide_dma_bad_drive,			ide_dma_good_drive,
-		ide_dma_verbose,			ide_dma_retune,
-		ide_dma_lostirq,			ide_dma_timeout
-} ide_dma_action_t;
-
-typedef int (ide_dmaproc_t)(ide_dma_action_t, ide_drive_t *);
-
-/*
- * An ide_ideproc_t() performs CPU-polled transfers to/from a drive.
- * Arguments are: the drive, the buffer pointer, and the length (in bytes or
- * words depending on if it's an IDE or ATAPI call).
- *
- * If it is not defined for a controller, standard-code is used from ide.c.
- *
- * Controllers which are not memory-mapped in the standard way need to 
- * override that mechanism using this function to work.
- *
- */
-typedef enum { ideproc_ide_input_data,    ideproc_ide_output_data,
-	       ideproc_atapi_input_bytes, ideproc_atapi_output_bytes
-} ide_ide_action_t;
-
-typedef void (ide_ideproc_t)(ide_ide_action_t, ide_drive_t *, void *, unsigned int);
+typedef struct ide_pio_ops_s {
+	void (*ata_input_data)(ide_drive_t *, void *, u32);
+	void (*ata_output_data)(ide_drive_t *, void *, u32);
+
+	void (*atapi_input_bytes)(ide_drive_t *, void *, u32);
+	void (*atapi_output_bytes)(ide_drive_t *, void *, u32);
+} ide_pio_ops_t;
+
+typedef struct ide_dma_ops_s {
+	/* insert dma operations here! */
+	int (*ide_dma_read)(ide_drive_t *drive);
+	int (*ide_dma_write)(ide_drive_t *drive);
+	int (*ide_dma_begin)(ide_drive_t *drive);
+	int (*ide_dma_end)(ide_drive_t *drive);
+	int (*ide_dma_check)(ide_drive_t *drive);
+	int (*ide_dma_on)(ide_drive_t *drive);
+	int (*ide_dma_off)(ide_drive_t *drive);
+	int (*ide_dma_off_quietly)(ide_drive_t *drive);
+	int (*ide_dma_test_irq)(ide_drive_t *drive);
+	int (*ide_dma_host_on)(ide_drive_t *drive);
+	int (*ide_dma_host_off)(ide_drive_t *drive);
+	int (*ide_dma_bad_drive)(ide_drive_t *drive);
+	int (*ide_dma_good_drive)(ide_drive_t *drive);
+	int (*ide_dma_count)(ide_drive_t *drive);
+	int (*ide_dma_verbose)(ide_drive_t *drive);
+	int (*ide_dma_retune)(ide_drive_t *drive);
+	int (*ide_dma_lostirq)(ide_drive_t *drive);
+	int (*ide_dma_timeout)(ide_drive_t *drive);
+} ide_dma_ops_t;
 
 /*
  * mapping stuff, prepare for highmem...
@@ -597,171 +894,188 @@ extern inline void *ide_map_buffer(struct request *rq, unsigned long *flags)
 	return rq->buffer + task_rq_offset(rq);
 }
 
-extern inline void ide_unmap_buffer(char *buffer, unsigned long *flags)
+extern inline void ide_unmap_buffer(struct request *rq, char *buffer, unsigned long *flags)
 {
-	bio_kunmap_irq(buffer, flags);
-}
-
-/*
- * A Verbose noise maker for debugging on the attempted transfer rates.
- */
-extern inline char *ide_xfer_verbose (byte xfer_rate)
-{
-	switch(xfer_rate) {
-		case XFER_UDMA_7:	return("UDMA 7");
-		case XFER_UDMA_6:	return("UDMA 6");
-		case XFER_UDMA_5:	return("UDMA 5");
-		case XFER_UDMA_4:	return("UDMA 4");
-		case XFER_UDMA_3:	return("UDMA 3");
-		case XFER_UDMA_2:	return("UDMA 2");
-		case XFER_UDMA_1:	return("UDMA 1");
-		case XFER_UDMA_0:	return("UDMA 0");
-		case XFER_MW_DMA_2:	return("MW DMA 2");
-		case XFER_MW_DMA_1:	return("MW DMA 1");
-		case XFER_MW_DMA_0:	return("MW DMA 0");
-		case XFER_SW_DMA_2:	return("SW DMA 2");
-		case XFER_SW_DMA_1:	return("SW DMA 1");
-		case XFER_SW_DMA_0:	return("SW DMA 0");
-		case XFER_PIO_4:	return("PIO 4");
-		case XFER_PIO_3:	return("PIO 3");
-		case XFER_PIO_2:	return("PIO 2");
-		case XFER_PIO_1:	return("PIO 1");
-		case XFER_PIO_0:	return("PIO 0");
-		case XFER_PIO_SLOW:	return("PIO SLOW");
-		default:		return("XFER ERROR");
-	}
-}
-
-/*
- * A Verbose noise maker for debugging on the attempted dmaing calls.
- */
-extern inline char *ide_dmafunc_verbose (ide_dma_action_t dmafunc)
-{
-	switch (dmafunc) {
-		case ide_dma_read:		return("ide_dma_read");
-		case ide_dma_write:		return("ide_dma_write");
-		case ide_dma_begin:		return("ide_dma_begin");
-		case ide_dma_end:		return("ide_dma_end:");
-		case ide_dma_check:		return("ide_dma_check");
-		case ide_dma_on:		return("ide_dma_on");
-		case ide_dma_off:		return("ide_dma_off");
-		case ide_dma_off_quietly:	return("ide_dma_off_quietly");
-		case ide_dma_test_irq:		return("ide_dma_test_irq");
-		case ide_dma_host_on:		return("ide_dma_host_on");
-		case ide_dma_host_off:		return("ide_dma_host_off");
-		case ide_dma_bad_drive:		return("ide_dma_bad_drive");
-		case ide_dma_good_drive:	return("ide_dma_good_drive");
-		case ide_dma_verbose:		return("ide_dma_verbose");
-		case ide_dma_retune:		return("ide_dma_retune");
-		case ide_dma_lostirq:		return("ide_dma_lostirq");
-		case ide_dma_timeout:		return("ide_dma_timeout");
-		default:			return("unknown");
-	}
+	if (rq->bio)
+		bio_kunmap_irq(buffer, flags);
 }
 
-/*
- * An ide_tuneproc_t() is used to set the speed of an IDE interface
- * to a particular PIO mode.  The "byte" parameter is used
- * to select the PIO mode by number (0,1,2,3,4,5), and a value of 255
- * indicates that the interface driver should "auto-tune" the PIO mode
- * according to the drive capabilities in drive->id;
- *
- * Not all interface types support tuning, and not all of those
- * support all possible PIO settings.  They may silently ignore
- * or round values as they see fit.
- */
-typedef void (ide_tuneproc_t) (ide_drive_t *, byte);
-typedef int (ide_speedproc_t) (ide_drive_t *, byte);
-
-/*
- * This is used to provide support for strange interfaces
- */
-typedef void (ide_selectproc_t) (ide_drive_t *);
-typedef void (ide_resetproc_t) (ide_drive_t *);
-typedef int (ide_quirkproc_t) (ide_drive_t *);
-typedef void (ide_intrproc_t) (ide_drive_t *);
-typedef void (ide_maskproc_t) (ide_drive_t *, int);
-typedef void (ide_rw_proc_t) (ide_drive_t *, ide_dma_action_t);
-
-/*
- * ide soft-power support
- */
-typedef int (ide_busproc_t) (ide_drive_t *, int);
-
 #define IDE_CHIPSET_PCI_MASK	\
     ((1<<ide_pci)|(1<<ide_cmd646)|(1<<ide_ali14xx))
 #define IDE_CHIPSET_IS_PCI(c)	((IDE_CHIPSET_PCI_MASK >> (c)) & 1)
 
 #ifdef CONFIG_BLK_DEV_IDEPCI
-typedef struct ide_pci_devid_s {
-	unsigned short	vid;
-	unsigned short	did;
-} ide_pci_devid_t;
-
-#define IDE_PCI_DEVID_NULL	((ide_pci_devid_t){0,0})
-#define IDE_PCI_DEVID_EQ(a,b)	(a.vid == b.vid && a.did == b.did)
+struct ide_pci_device_s;
 #endif /* CONFIG_BLK_DEV_IDEPCI */
 
 typedef struct hwif_s {
-	struct hwif_s	*next;		/* for linked-list in ide_hwgroup_t */
+	struct hwif_s *next;		/* for linked-list in ide_hwgroup_t */
+	struct hwif_s *mate;		/* other hwif from same PCI chip */
 	struct hwgroup_s *hwgroup;	/* actually (ide_hwgroup_t *) */
-	ide_ioreg_t	io_ports[IDE_NR_PORTS];	/* task file registers */
-/*
- *     FIXME!! need a generic register set :-/  PPC guys ideas??
- *
- *     ide_mmioreg_t   mm_ports[IDE_NR_PORTS]; "task file registers"
- *
- */
+	struct proc_dir_entry *proc;	/* /proc/ide/ directory entry */
+
+	char name[6];			/* name of interface, eg. "ide0" */
+
+		/* task file registers for pata and sata */
+	ide_ioreg_t	io_ports[IDE_NR_PORTS];
+	sata_ioreg_t	sata_scr[SATA_NR_PORTS];
+	sata_ioreg_t	sata_misc[SATA_NR_PORTS];
+
 	hw_regs_t	hw;		/* Hardware info */
 	ide_drive_t	drives[MAX_DRIVES];	/* drive info */
-	int		addressing;	/* hosts addressing */
-	void		(*tuneproc)(ide_drive_t *, byte);	/* routine to tune PIO mode for drives */
-	int		(*speedproc)(ide_drive_t *, byte);	/* routine to retune DMA modes for drives */
-	void		(*selectproc)(ide_drive_t *);		/* tweaks hardware to select drive */
-	void		(*resetproc)(ide_drive_t *);		/* routine to reset controller after a disk reset */
-	void		(*intrproc)(ide_drive_t *);		/* special interrupt handling for shared pci interrupts */
-	void		(*maskproc)(ide_drive_t *, int);	/* special host masking for drive selection */
-	int		(*quirkproc)(ide_drive_t *);		/* check host's drive quirk list */
-	void		(*rwproc)(ide_drive_t *, ide_dma_action_t);	/* adjust timing based upon rq->cmd direction */
-	void		(*ideproc)(ide_ide_action_t, ide_drive_t *, void *, unsigned int);	/* CPU-polled transfer routine */
-	int		(*dmaproc)(ide_dma_action_t, ide_drive_t *);	/* dma read/write/abort routine */
-	int		(*busproc)(ide_drive_t *, int);		/* driver soft-power interface */
-	unsigned int	*dmatable_cpu;	/* dma physical region descriptor table (cpu view) */
-	dma_addr_t	dmatable_dma;	/* dma physical region descriptor table (dma view) */
-	struct scatterlist *sg_table;	/* Scatter-gather list used to build the above */
+
+	u8 major;	/* our major number */
+	u8 index;	/* 0 for ide0; 1 for ide1; ... */
+	u8 channel;	/* for dual-port chips: 0=primary, 1=secondary */
+	u8 straight8;	/* Alan's straight 8 check */
+	u8 bus_state;	/* power state of the IDE bus */
+
+	u8 atapi_dma;	/* host supports atapi_dma */
+	u8 ultra_mask;
+	u8 mwdma_mask;
+	u8 swdma_mask;
+
+	hwif_chipset_t chipset;	/* sub-module for tuning.. */
+
+#ifdef CONFIG_BLK_DEV_IDEPCI
+	struct pci_dev  *pci_dev;	/* for pci chipsets */
+	struct ide_pci_device_s	*cds;	/* chipset device struct */
+#endif /* CONFIG_BLK_DEV_IDEPCI */
+
+#if 0
+	ide_hwif_ops_t	*hwifops;
+#else
+	/* routine is for HBA specific IDENTITY operations */
+	int	(*identify)(ide_drive_t *);
+	/* routine to tune PIO mode for drives */
+	void	(*tuneproc)(ide_drive_t *, u8);
+	/* routine to retune DMA modes for drives */
+	int	(*speedproc)(ide_drive_t *, u8);
+	/* tweaks hardware to select drive */
+	void	(*selectproc)(ide_drive_t *);
+	/* chipset polling based on hba specifics */
+	int	(*reset_poll)(ide_drive_t *);
+	/* chipset specific changes to default for device-hba resets */
+	void	(*pre_reset)(ide_drive_t *);
+	/* routine to reset controller after a disk reset */
+	void	(*resetproc)(ide_drive_t *);
+	/* special interrupt handling for shared pci interrupts */
+	void	(*intrproc)(ide_drive_t *);
+	/* special host masking for drive selection */
+	void	(*maskproc)(ide_drive_t *, int);
+	/* check host's drive quirk list */
+	int	(*quirkproc)(ide_drive_t *);
+	/* driver soft-power interface */
+	int	(*busproc)(ide_drive_t *, int);
+//	/* host rate limiter */
+//	u8	(*ratemask)(ide_drive_t *);
+//	/* device rate limiter */
+//	u8	(*ratefilter)(ide_drive_t *, u8);
+#endif
+
+#if 0
+	ide_pio_ops_t	*pioops;
+#else
+	void (*ata_input_data)(ide_drive_t *, void *, u32);
+	void (*ata_output_data)(ide_drive_t *, void *, u32);
+
+	void (*atapi_input_bytes)(ide_drive_t *, void *, u32);
+	void (*atapi_output_bytes)(ide_drive_t *, void *, u32);
+#endif
+
+#if 0
+	ide_dma_ops_t	*dmaops;
+#else
+	int (*ide_dma_read)(ide_drive_t *drive);
+	int (*ide_dma_write)(ide_drive_t *drive);
+	int (*ide_dma_begin)(ide_drive_t *drive);
+	int (*ide_dma_end)(ide_drive_t *drive);
+	int (*ide_dma_check)(ide_drive_t *drive);
+	int (*ide_dma_on)(ide_drive_t *drive);
+	int (*ide_dma_off)(ide_drive_t *drive);
+	int (*ide_dma_off_quietly)(ide_drive_t *drive);
+	int (*ide_dma_test_irq)(ide_drive_t *drive);
+	int (*ide_dma_host_on)(ide_drive_t *drive);
+	int (*ide_dma_host_off)(ide_drive_t *drive);
+	int (*ide_dma_bad_drive)(ide_drive_t *drive);
+	int (*ide_dma_good_drive)(ide_drive_t *drive);
+	int (*ide_dma_count)(ide_drive_t *drive);
+	int (*ide_dma_verbose)(ide_drive_t *drive);
+	int (*ide_dma_retune)(ide_drive_t *drive);
+	int (*ide_dma_lostirq)(ide_drive_t *drive);
+	int (*ide_dma_timeout)(ide_drive_t *drive);
+#endif
+
+#if 0
+	ide_io_ops_t	*iops;
+#else
+	void (*OUTB)(u8 addr, u32 port);
+	void (*OUTW)(u16 addr, u32 port);
+	void (*OUTL)(u32 addr, u32 port);
+	void (*OUTBP)(u8 addr, u32 port);
+	void (*OUTWP)(u16 addr, u32 port);
+	void (*OUTLP)(u32 addr, u32 port);
+	void (*OUTSW)(u32 port, void *addr, u32 count);
+	void (*OUTSWP)(u32 port, void *addr, u32 count);
+	void (*OUTSL)(u32 port, void *addr, u32 count);
+	void (*OUTSLP)(u32 port, void *addr, u32 count);
+
+	u8  (*INB)(u32 port);
+	u16 (*INW)(u32 port);
+	u32 (*INL)(u32 port);
+	u8  (*INBP)(u32 port);
+	u16 (*INWP)(u32 port);
+	u32 (*INLP)(u32 port);
+	void (*INSW)(u32 port, void *addr, u32 count);
+	void (*INSWP)(u32 port, void *addr, u32 count);
+	void (*INSL)(u32 port, void *addr, u32 count);
+	void (*INSLP)(u32 port, void *addr, u32 count);
+#endif
+
+	/* dma physical region descriptor table (cpu view) */
+	unsigned int	*dmatable_cpu;
+	/* dma physical region descriptor table (dma view) */
+	dma_addr_t	dmatable_dma;
+	/* Scatter-gather list used to build the above */
+	struct scatterlist *sg_table;
 	int sg_nents;			/* Current number of entries in it */
 	int sg_dma_direction;		/* dma transfer direction */
 	int sg_dma_active;		/* is it in use */
-	struct hwif_s	*mate;		/* other hwif from same PCI chip */
+
+	int		mmio;		/* hosts iomio (0), mmio (1) or custom (2) select */
+	int		rqsize;		/* max sectors per request */
+	int		addressing;	/* hosts addressing */
+	int		irq;		/* our irq number */
+	int		initializing;	/* set while initializing self */
+
+	unsigned long	dma_master;	/* reference base addr dmabase */
 	unsigned long	dma_base;	/* base addr for dma ports */
+	unsigned long	dma_command;	/* dma command register */
+	unsigned long	dma_vendor1;	/* dma vendor 1 register */
+	unsigned long	dma_status;	/* dma status register */
+	unsigned long	dma_vendor3;	/* dma vendor 3 register */
+	unsigned long	dma_prdtable;	/* actual prd table address */
+	unsigned long	dma_base2;	/* extended base addr for dma ports */
+
 	unsigned	dma_extra;	/* extra addr for dma ports */
 	unsigned long	config_data;	/* for use by chipset-specific code */
 	unsigned long	select_data;	/* for use by chipset-specific code */
-	struct proc_dir_entry *proc;	/* /proc/ide/ directory entry */
-	int		irq;		/* our irq number */
-	byte		major;		/* our major number */
-	char 		name[6];	/* name of interface, eg. "ide0" */
-	byte		index;		/* 0 for ide0; 1 for ide1; ... */
-	hwif_chipset_t	chipset;	/* sub-module for tuning.. */
+#if (DISK_RECOVERY_TIME > 0)
+	unsigned long	last_time;	/* time when previous rq was done */
+#endif
+
+
 	unsigned	noprobe    : 1;	/* don't probe for this interface */
 	unsigned	present    : 1;	/* this interface exists */
-	unsigned	serialized : 1;	/* serialized operation with mate hwif */
+	unsigned	serialized : 1;	/* serialized all channel operation */
 	unsigned	sharing_irq: 1;	/* 1 = sharing irq with another hwif */
 	unsigned	reset      : 1;	/* reset after probe */
-	unsigned	autodma    : 1;	/* automatically try to enable DMA at boot */
+	unsigned	autodma    : 1;	/* auto-attempt using DMA at boot */
 	unsigned	udma_four  : 1;	/* 1=ATA-66 capable, 0=default */
-	unsigned	no_highmem : 1;	/* always use high i/o bounce */
-	byte		channel;	/* for dual-port chips: 0=primary, 1=secondary */
-#ifdef CONFIG_BLK_DEV_IDEPCI
-	struct pci_dev	*pci_dev;	/* for pci chipsets */
-	ide_pci_devid_t	pci_devid;	/* for pci chipsets: {VID,DID} */
-#endif /* CONFIG_BLK_DEV_IDEPCI */
-#if (DISK_RECOVERY_TIME > 0)
-	unsigned long	last_time;	/* time when previous rq was done */
-#endif
-	byte		straight8;	/* Alan's straight 8 check */
+	unsigned	highmem    : 1;	/* can do full 32-bit dma */
+	unsigned	no_dsc     : 1;	/* 0 default, 1 dsc_overlap disabled */
+
 	void		*hwif_data;	/* extra hwif data */
-	byte		bus_state;	/* power state of the IDE bus */
 } ide_hwif_t;
 
 /*
@@ -769,7 +1083,7 @@ typedef struct hwif_s {
  */
 typedef enum {
 	ide_stopped,	/* no drive operation was started */
-	ide_started	/* a drive operation was started, and a handler was set */
+	ide_started	/* a drive operation was started, handler was set */
 } ide_startstop_t;
 
 /*
@@ -778,26 +1092,41 @@ typedef enum {
 typedef ide_startstop_t (ide_pre_handler_t)(ide_drive_t *, struct request *);
 typedef ide_startstop_t (ide_handler_t)(ide_drive_t *);
 typedef ide_startstop_t (ide_post_handler_t)(ide_drive_t *);
-
-/*
- * when ide_timer_expiry fires, invoke a handler of this type
- * to decide what to do.
- */
 typedef int (ide_expiry_t)(ide_drive_t *);
 
 typedef struct hwgroup_s {
-	ide_handler_t		*handler;/* irq handler, if active */
-	ide_handler_t		*handler_save;/* irq handler, if active */
-	volatile int		busy;	/* BOOL: protects all fields below */
-	int			sleeping; /* BOOL: wake us up on timer expiry */
-	ide_drive_t		*drive;	/* current drive */
-	ide_hwif_t		*hwif;	/* ptr to current hwif in linked-list */
-	struct request		*rq;	/* current request */
-	struct timer_list	timer;	/* failsafe timer */
-	struct request		wrq;	/* local copy of current write rq */
-	unsigned long		poll_timeout;	/* timeout value during long polls */
-	ide_expiry_t		*expiry;	/* queried upon timeouts */
-	int			pio_clock;	/* ide_system_bus_speed */
+		/* irq handler, if active */
+	ide_startstop_t	(*handler)(ide_drive_t *);
+		/* irq handler, suspended if active */
+	ide_startstop_t	(*handler_save)(ide_drive_t *);
+		/* BOOL: protects all fields below */
+	volatile int busy;
+		/* BOOL: wake us up on timer expiry */
+	int sleeping;
+		/* current drive */
+	ide_drive_t *drive;
+		/* ptr to current hwif in linked-list */
+	ide_hwif_t *hwif;
+
+#ifdef CONFIG_BLK_DEV_IDEPCI
+		/* for pci chipsets */
+	struct pci_dev *pci_dev;
+		/* chipset device struct */
+	struct ide_pci_device_s *cds;
+#endif /* CONFIG_BLK_DEV_IDEPCI */
+
+		/* current request */
+	struct request *rq;
+		/* failsafe timer */
+	struct timer_list timer;
+		/* local copy of current write rq */
+	struct request wrq;
+		/* timeout value during long polls */
+	unsigned long poll_timeout;
+		/* queried upon timeouts */
+	int (*expiry)(ide_drive_t *);
+		/* ide_system_bus_speed */
+	int pio_clock;
 } ide_hwgroup_t;
 
 /* structure attached to the request for IDE_TASK_CMDS */
@@ -850,14 +1179,14 @@ typedef struct {
 } ide_proc_entry_t;
 
 #ifdef CONFIG_PROC_FS
-void proc_ide_create(void);
-void proc_ide_destroy(void);
-void recreate_proc_ide_device(ide_hwif_t *, ide_drive_t *);
-void destroy_proc_ide_device(ide_hwif_t *, ide_drive_t *);
-void destroy_proc_ide_drives(ide_hwif_t *);
-void create_proc_ide_interfaces(void);
-void ide_add_proc_entries(struct proc_dir_entry *dir, ide_proc_entry_t *p, void *data);
-void ide_remove_proc_entries(struct proc_dir_entry *dir, ide_proc_entry_t *p);
+extern void proc_ide_create(void);
+extern void proc_ide_destroy(void);
+extern void recreate_proc_ide_device(ide_hwif_t *, ide_drive_t *);
+extern void destroy_proc_ide_device(ide_hwif_t *, ide_drive_t *);
+extern void destroy_proc_ide_drives(ide_hwif_t *);
+extern void create_proc_ide_interfaces(void);
+extern void ide_add_proc_entries(struct proc_dir_entry *, ide_proc_entry_t *, void *);
+extern void ide_remove_proc_entries(struct proc_dir_entry *, ide_proc_entry_t *);
 read_proc_t proc_ide_read_capacity;
 read_proc_t proc_ide_read_geometry;
 
@@ -889,7 +1218,7 @@ typedef struct ide_driver_s {
 	struct module			*owner;
 	const char			*name;
 	const char			*version;
-	byte				media;
+	u8				media;
 	unsigned busy			: 1;
 	unsigned supports_dma		: 1;
 	unsigned supports_dsc_overlap	: 1;
@@ -899,9 +1228,9 @@ typedef struct ide_driver_s {
 	int		(*resume)(ide_drive_t *);
 	int		(*flushcache)(ide_drive_t *);
 	ide_startstop_t	(*do_request)(ide_drive_t *, struct request *, unsigned long);
-	int		(*end_request)(ide_drive_t *, int);
-	byte		(*sense)(ide_drive_t *, const char *, byte);
-	ide_startstop_t (*error)(ide_drive_t *, const char *, byte);
+	int		(*end_request)(ide_drive_t *, int, int);
+	u8		(*sense)(ide_drive_t *, const char *, u8);
+	ide_startstop_t	(*error)(ide_drive_t *, const char *, u8);
 	int		(*ioctl)(ide_drive_t *, struct inode *, struct file *, unsigned int, unsigned long);
 	int		(*open)(struct inode *, struct file *, ide_drive_t *);
 	void		(*release)(struct inode *, struct file *, ide_drive_t *);
@@ -910,8 +1239,8 @@ typedef struct ide_driver_s {
 	void		(*pre_reset)(ide_drive_t *);
 	unsigned long	(*capacity)(ide_drive_t *);
 	ide_startstop_t	(*special)(ide_drive_t *);
-	ide_proc_entry_t        *proc;
-	int		(*reinit)(ide_drive_t *);
+	ide_proc_entry_t	*proc;
+	int		(*attach)(ide_drive_t *);
 	void		(*ata_prebuilder)(ide_drive_t *);
 	void		(*atapi_prebuilder)(ide_drive_t *);
 	struct list_head drives;
@@ -935,6 +1264,13 @@ typedef struct ide_module_s {
 	struct ide_module_s		*next;
 } ide_module_t;
 
+typedef struct ide_devices_s {
+	char			name[4];		/* hdX */
+	unsigned		attached	: 1;	/* native */
+	unsigned		alttached	: 1;	/* alternate */
+	struct ide_devices_s	*next;
+} ide_devices_t;
+
 /*
  * ide_hwifs[] is the master data structure used to keep track
  * of just about everything in ide.c.  Whenever possible, routines
@@ -945,7 +1281,15 @@ typedef struct ide_module_s {
  */
 #ifndef _IDE_C
 extern	ide_hwif_t	ide_hwifs[];		/* master data repository */
+extern ide_module_t	*ide_chipsets;
 extern	ide_module_t	*ide_probe;
+
+extern ide_devices_t   *idedisk;
+extern ide_devices_t   *idecd;
+extern ide_devices_t   *idefloppy;
+extern ide_devices_t   *idetape;
+extern ide_devices_t   *idescsi;
+
 #endif
 extern int noautodma;
 
@@ -957,38 +1301,47 @@ extern int noautodma;
 #define DEVICE_NR(device)	(minor(device) >> PARTN_BITS)
 #include <linux/blk.h>
 
-int ide_end_request (ide_drive_t *drive, int uptodate);
+extern int ide_end_request (ide_drive_t *drive, int uptodate, int nrsecs);
 
 /*
  * This is used on exit from the driver, to designate the next irq handler
  * and also to start the safety timer.
  */
-void ide_set_handler (ide_drive_t *drive, ide_handler_t *handler, unsigned int timeout, ide_expiry_t *expiry);
+extern void ide_set_handler (ide_drive_t *drive, ide_handler_t *handler, unsigned int timeout, ide_expiry_t *expiry);
 
 /*
  * Error reporting, in human readable form (luxurious, but a memory hog).
+ *
+ * (drive, msg, status)
  */
 byte ide_dump_status (ide_drive_t *drive, const char *msg, byte stat);
 
 /*
  * ide_error() takes action based on the error returned by the controller.
  * The caller should return immediately after invoking this.
+ *
+ * (drive, msg, status)
  */
 ide_startstop_t ide_error (ide_drive_t *drive, const char *msg, byte stat);
 
 /*
  * Issue a simple drive command
  * The drive must be selected beforehand.
+ *
+ * (drive, command, nsector, handler)
  */
-void ide_cmd (ide_drive_t *drive, byte cmd, byte nsect, ide_handler_t *handler);
+extern void ide_cmd(ide_drive_t *, u8, u8, ide_handler_t *);
 
+extern void ide_fix_driveid(struct hd_driveid *);
 /*
  * ide_fixstring() cleans up and (optionally) byte-swaps a text string,
  * removing leading/trailing blanks and compressing internal blanks.
  * It is primarily used to tidy up the model name/number fields as
  * returned by the WIN_[P]IDENTIFY commands.
+ *
+ * (s, bytecount, byteswap)
  */
-void ide_fixstring (byte *s, const int bytecount, const int byteswap);
+extern void ide_fixstring(u8 *, const int, const int);
 
 /*
  * This routine busy-waits for the drive status to be not "busy".
@@ -997,43 +1350,44 @@ void ide_fixstring (byte *s, const int bytecount, const int byteswap);
  * cases return 1 after doing "*startstop = ide_error()", and the
  * caller should return the updated value of "startstop" in this case.
  * "startstop" is unchanged when the function returns 0;
+ * (startstop, drive, good, bad, timeout)
  */
-int ide_wait_stat (ide_startstop_t *startstop, ide_drive_t *drive, byte good, byte bad, unsigned long timeout);
+extern int ide_wait_stat(ide_startstop_t *, ide_drive_t *, u8, u8, unsigned long);
 
 /*
  * This routine is called from the partition-table code in genhd.c
  * to "convert" a drive to a logical geometry with fewer than 1024 cyls.
  */
-int ide_xlate_1024 (kdev_t, int, int, const char *);
+extern int ide_xlate_1024 (kdev_t, int, int, const char *);
 
 /*
  * Convert kdev_t structure into ide_drive_t * one.
  */
-ide_drive_t *get_info_ptr (kdev_t i_rdev);
+extern ide_drive_t *get_info_ptr (kdev_t i_rdev);
 
 /*
  * Return the current idea about the total capacity of this drive.
  */
-unsigned long current_capacity (ide_drive_t *drive);
+extern unsigned long current_capacity (ide_drive_t *drive);
 
-void ide_revalidate_drive (ide_drive_t *drive);
+extern void ide_revalidate_drive (ide_drive_t *drive);
 
 /*
  * Start a reset operation for an IDE interface.
  * The caller should return immediately after invoking this.
  */
-ide_startstop_t ide_do_reset (ide_drive_t *);
+extern ide_startstop_t ide_do_reset (ide_drive_t *);
 
 /*
  * Re-Start an operation for an IDE interface.
  * The caller should return immediately after invoking this.
  */
-int restart_request (ide_drive_t *, struct request *);
+extern int restart_request (ide_drive_t *, struct request *);
 
 /*
  * This function is intended to be used prior to invoking ide_do_drive_cmd().
  */
-void ide_init_drive_cmd (struct request *rq);
+extern void ide_init_drive_cmd (struct request *rq);
 
 /*
  * "action" parameter type for ide_do_drive_cmd() below.
@@ -1070,23 +1424,35 @@ typedef enum {
  * for the new rq to be completed. This is again intended for careful
  * use by the ATAPI tape/cdrom driver code.
  */
-int ide_do_drive_cmd (ide_drive_t *drive, struct request *rq, ide_action_t action);
+extern int ide_do_drive_cmd(ide_drive_t *, struct request *, ide_action_t);
 
 /*
  * Clean up after success/failure of an explicit drive cmd.
  * stat/err are used only when (HWGROUP(drive)->rq->cmd == IDE_DRIVE_CMD).
  * stat/err are used only when (HWGROUP(drive)->rq->cmd == IDE_DRIVE_TASK_MASK).
+ *
+ * (ide_drive_t *drive, u8 stat, u8 err)
  */
-void ide_end_drive_cmd (ide_drive_t *drive, byte stat, byte err);
+extern void ide_end_drive_cmd(ide_drive_t *, u8, u8);
 
 /*
- * Issue ATA command and wait for completion. use for implementing commands in kernel
+ * Issue ATA command and wait for completion.
+ * Use for implementing commands in kernel
+ *
+ *  (ide_drive_t *drive, u8 cmd, u8 nsect, u8 feature, u8 sectors, u8 *buf)
  */
-int ide_wait_cmd (ide_drive_t *drive, int cmd, int nsect, int feature, int sectors, byte *buf);
+extern int ide_wait_cmd(ide_drive_t *, u8, u8, u8, u8, u8 *);
+
+/* (ide_drive_t *drive, u8 *buf) */
+extern int ide_wait_cmd_task(ide_drive_t *, u8 *);
 
-int ide_wait_cmd_task (ide_drive_t *drive, byte *buf);
- 
 typedef struct ide_task_s {
+/*
+ *	struct hd_drive_task_hdr	tf;
+ *	task_struct_t		tf;
+ *	struct hd_drive_hob_hdr		hobf;
+ *	hob_struct_t		hobf;
+ */
 	task_ioreg_t		tfRegister[8];
 	task_ioreg_t		hobRegister[8];
 	ide_reg_valid_t		tf_out_flags;
@@ -1101,6 +1467,11 @@ typedef struct ide_task_s {
 } ide_task_t;
 
 typedef struct pkt_task_s {
+/*
+ *	struct hd_drive_task_hdr	pktf;
+ *	task_struct_t		pktf;
+ *	u8			pkcdb[12];
+ */
 	task_ioreg_t		tfRegister[8];
 	int			data_phase;
 	int			command_type;
@@ -1109,66 +1480,129 @@ typedef struct pkt_task_s {
 	void			*special;
 } pkt_task_t;
 
-void ata_input_data (ide_drive_t *drive, void *buffer, unsigned int wcount);
-void ata_output_data (ide_drive_t *drive, void *buffer, unsigned int wcount);
-void atapi_input_bytes (ide_drive_t *drive, void *buffer, unsigned int bytecount);
-void atapi_output_bytes (ide_drive_t *drive, void *buffer, unsigned int bytecount);
-void taskfile_input_data (ide_drive_t *drive, void *buffer, unsigned int wcount);
-void taskfile_output_data (ide_drive_t *drive, void *buffer, unsigned int wcount);
+extern inline void SELECT_DRIVE(ide_drive_t *);
+extern inline void SELECT_INTERRUPT(ide_drive_t *);
+extern inline void SELECT_MASK(ide_drive_t *, int);
+extern inline void QUIRK_LIST(ide_drive_t *);
 
-int drive_is_ready (ide_drive_t *drive);
-int wait_for_ready (ide_drive_t *drive, int timeout);
+extern void ata_input_data(ide_drive_t *, void *, u32);
+extern void ata_output_data(ide_drive_t *, void *, u32);
+extern void atapi_input_bytes(ide_drive_t *, void *, u32);
+extern void atapi_output_bytes(ide_drive_t *, void *, u32);
+extern void taskfile_input_data(ide_drive_t *, void *, u32);
+extern void taskfile_output_data(ide_drive_t *, void *, u32);
+
+extern int drive_is_ready(ide_drive_t *);
+extern int wait_for_ready(ide_drive_t *, int /* timeout */);
 
 /*
  * taskfile io for disks for now...and builds request from ide_ioctl
  */
-ide_startstop_t do_rw_taskfile (ide_drive_t *drive, ide_task_t *task);
+extern ide_startstop_t do_rw_taskfile(ide_drive_t *, ide_task_t *);
 
-void ide_end_taskfile (ide_drive_t *drive, byte stat, byte err);
+/* (ide_drive_t *drive, u8 stat, u8 err) */
+extern void ide_end_taskfile(ide_drive_t *, u8, u8);
 
 /*
  * Special Flagged Register Validation Caller
  */
-ide_startstop_t flagged_taskfile (ide_drive_t *drive, ide_task_t *task);
-
-ide_startstop_t set_multmode_intr (ide_drive_t *drive);
-ide_startstop_t set_geometry_intr (ide_drive_t *drive);
-ide_startstop_t recal_intr (ide_drive_t *drive);
-ide_startstop_t task_no_data_intr (ide_drive_t *drive);
-ide_startstop_t task_in_intr (ide_drive_t *drive);
-ide_startstop_t task_mulin_intr (ide_drive_t *drive);
-ide_startstop_t pre_task_out_intr (ide_drive_t *drive, struct request *rq);
-ide_startstop_t task_out_intr (ide_drive_t *drive);
-ide_startstop_t pre_task_mulout_intr (ide_drive_t *drive, struct request *rq);
-ide_startstop_t task_mulout_intr (ide_drive_t *drive);
-void ide_init_drive_taskfile (struct request *rq);
-
-int ide_raw_taskfile (ide_drive_t *drive, ide_task_t *cmd, byte *buf);
-
-ide_pre_handler_t * ide_pre_handler_parser (struct hd_drive_task_hdr *taskfile, struct hd_drive_hob_hdr *hobfile);
-ide_handler_t * ide_handler_parser (struct hd_drive_task_hdr *taskfile, struct hd_drive_hob_hdr *hobfile);
-ide_post_handler_t * ide_post_handler_parser (struct hd_drive_task_hdr *taskfile, struct hd_drive_hob_hdr *hobfile);
+extern ide_startstop_t flagged_taskfile(ide_drive_t *, ide_task_t *);
+
+extern ide_startstop_t set_multmode_intr(ide_drive_t *);
+extern ide_startstop_t set_geometry_intr(ide_drive_t *);
+extern ide_startstop_t recal_intr(ide_drive_t *);
+extern ide_startstop_t task_no_data_intr(ide_drive_t *);
+extern ide_startstop_t task_in_intr(ide_drive_t *);
+extern ide_startstop_t task_mulin_intr(ide_drive_t *);
+extern ide_startstop_t pre_task_out_intr(ide_drive_t *, struct request *);
+extern ide_startstop_t task_out_intr(ide_drive_t *);
+extern ide_startstop_t pre_task_mulout_intr(ide_drive_t *, struct request *);
+extern ide_startstop_t task_mulout_intr(ide_drive_t *);
+extern void ide_init_drive_taskfile(struct request *);
+
+extern int ide_raw_taskfile(ide_drive_t *, ide_task_t *, u8 *);
+
+extern ide_pre_handler_t * ide_pre_handler_parser(struct hd_drive_task_hdr *, struct hd_drive_hob_hdr *);
+
+extern ide_handler_t * ide_handler_parser(struct hd_drive_task_hdr *, struct hd_drive_hob_hdr *);
+
+extern ide_post_handler_t * ide_post_handler_parser(struct hd_drive_task_hdr *, struct hd_drive_hob_hdr *);
+
 /* Expects args is a full set of TF registers and parses the command type */
-int ide_cmd_type_parser (ide_task_t *args);
+extern int ide_cmd_type_parser(ide_task_t *);
+
+int ide_taskfile_ioctl(ide_drive_t *, struct inode *, struct file *, unsigned int, unsigned long);
+int ide_cmd_ioctl(ide_drive_t *, struct inode *, struct file *, unsigned int, unsigned long);
+int ide_task_ioctl(ide_drive_t *, struct inode *, struct file *, unsigned int, unsigned long);
+
+#if 0
+
+#define IDEFLOPPY_PC_BUFFER_SIZE        256
+#define IDETAPE_PC_BUFFER_SIZE          256
+#define IDE_PC_BUFFER_SIZE          256
+
+typedef struct ide_packet_command_s {
+		/* Actual packet bytes */
+	u8 c[12];
+		/* On each retry, we increment retries */
+	int retries;
+		/* Error code */
+	int error;
+		/* Bytes to transfer */
+	int request_transfer;
+		/* Bytes actually transferred */
+	int actually_transferred;
+		/* Size of our data buffer */
+	int buffer_size;
+
+	struct buffer_head *bh;
+	u8 *b_data;
+		/* The corresponding request */
+	struct request *rq;
+# if 0
+		/* Scatter gather table */
+	struct scatterlist *sg;
+# endif
+	int b_count;
+		/* Data buffer */
+	u8 *buffer;
+		/* Pointer into the above buffer */
+	u8 *current_position;
+		/* Called when this packet command is completed */
+	ide_startstop_t (*callback) (ide_drive_t *);
+		/* Temporary buffer */
+	u8 pc_buffer[IDE_PC_BUFFER_SIZE];
+		/* Status/Action bit flags: long for set_bit */
+	unsigned long flags;
+} ide_pc_t;
+
+ide-cd orthoginal :-/
+struct packet_command {
+        char *buffer;
+        int buflen;
+        int stat;
+        int quiet;
+        int timeout;
+        struct request_sense *sense;
+        unsigned char c[12];
+};
 
-int ide_taskfile_ioctl (ide_drive_t *drive, struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg);
-int ide_cmd_ioctl (ide_drive_t *drive, struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg);
-int ide_task_ioctl (ide_drive_t *drive, struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg);
+#endif
 
 #ifdef CONFIG_PKT_TASK_IOCTL
-int pkt_taskfile_ioctl (ide_drive_t *drive, struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg);
+extern int pkt_taskfile_ioctl(ide_drive_t *, struct inode *, struct file *, unsigned int, unsigned long);
 #endif /* CONFIG_PKT_TASK_IOCTL */
 
-void ide_delay_50ms (void);
-int system_bus_clock(void);
+extern void ide_delay_50ms(void);
+extern int system_bus_clock(void);
 
-byte ide_auto_reduce_xfer (ide_drive_t *drive);
-int ide_driveid_update (ide_drive_t *drive);
-int ide_ata66_check (ide_drive_t *drive, ide_task_t *args);
-int ide_config_drive_speed (ide_drive_t *drive, byte speed);
-byte eighty_ninty_three (ide_drive_t *drive);
-int set_transfer (ide_drive_t *drive, ide_task_t *args);
-int taskfile_lib_get_identify (ide_drive_t *drive, byte *buf);
+extern u8 ide_auto_reduce_xfer(ide_drive_t *);
+extern int ide_driveid_update(ide_drive_t *);
+extern int ide_ata66_check(ide_drive_t *, ide_task_t *);
+extern int ide_config_drive_speed(ide_drive_t *, u8);
+extern u8 eighty_ninty_three (ide_drive_t *);
+extern int set_transfer(ide_drive_t *, ide_task_t *);
+extern int taskfile_lib_get_identify(ide_drive_t *drive, u8 *);
 
 /*
  * ide_system_bus_speed() returns what we think is the system VESA/PCI
@@ -1176,45 +1610,55 @@ int taskfile_lib_get_identify (ide_drive_t *drive, byte *buf);
  * The default is 40 for known PCI systems, 50 otherwise.
  * The "idebus=xx" parameter can be used to override this value.
  */
-int ide_system_bus_speed (void);
+extern int ide_system_bus_speed(void);
 
 /*
  * ide_stall_queue() can be used by a drive to give excess bandwidth back
  * to the hwgroup by sleeping for timeout jiffies.
  */
-void ide_stall_queue (ide_drive_t *drive, unsigned long timeout);
+extern void ide_stall_queue(ide_drive_t *drive, unsigned long timeout);
 
 /*
  * ide_get_queue() returns the queue which corresponds to a given device.
  */
-request_queue_t *ide_get_queue (kdev_t dev);
+extern request_queue_t *ide_get_queue (kdev_t dev);
 
 /*
  * CompactFlash cards and their brethern pretend to be removable hard disks,
  * but they never have a slave unit, and they don't have doorlock mechanisms.
- * This test catches them, and is invoked elsewhere when setting appropriate config bits.
+ * This test catches them, and is invoked elsewhere when setting appropriate
+ * config bits.
  */
-int drive_is_flashcard (ide_drive_t *drive);
+extern int drive_is_flashcard (ide_drive_t *drive);
 
-int ide_spin_wait_hwgroup (ide_drive_t *drive);
-void ide_timer_expiry (unsigned long data);
-void ide_intr (int irq, void *dev_id, struct pt_regs *regs);
-void do_ide_request (request_queue_t * q);
-void ide_init_subdrivers (void);
+extern int ide_spin_wait_hwgroup(ide_drive_t *);
+extern void ide_timer_expiry(unsigned long);
+extern void ide_intr(int irq, void *dev_id, struct pt_regs *regs);
+extern void do_ide_request(request_queue_t *);
+extern void ide_init_subdrivers(void);
 
 #ifndef _IDE_C
 extern struct block_device_operations ide_fops[];
 extern ide_proc_entry_t generic_subdriver_entries[];
 #endif
 
-int ata_attach(ide_drive_t *drive);
+extern int ata_attach(ide_drive_t *);
 
 #ifdef _IDE_C
 #ifdef CONFIG_BLK_DEV_IDE
-int ideprobe_init (void);
+extern int ideprobe_init(void);
+
+#ifdef CONFIG_BLK_DEV_IDEPCI
+extern void ide_scan_pcibus(int scan_direction) __init;
+#endif /* CONFIG_BLK_DEV_IDEPCI */
+
 #endif /* CONFIG_BLK_DEV_IDE */
 #endif /* _IDE_C */
 
+extern void default_hwif_iops(ide_hwif_t *);
+extern void default_hwif_mmiops(ide_hwif_t *);
+extern void default_hwif_transport(ide_hwif_t *);
+
 int ide_register_driver(ide_driver_t *driver);
 void ide_unregister_driver(ide_driver_t *driver);
 int ide_register_subdriver (ide_drive_t *drive, ide_driver_t *driver, int version);
@@ -1222,85 +1666,113 @@ int ide_unregister_subdriver (ide_drive_t *drive);
 int ide_replace_subdriver(ide_drive_t *drive, const char *driver);
 
 #ifdef CONFIG_BLK_DEV_IDEPCI
+
+#ifdef CONFIG_PROC_FS
+typedef struct ide_pci_host_proc_s {
+	char				*name;
+	u8				set;
+	get_info_t			*get_info;
+	struct proc_dir_entry		*parent;
+	struct ide_pci_host_proc_s	*next;
+} ide_pci_host_proc_t;
+
+void ide_pci_register_host_proc(ide_pci_host_proc_t *);
+#endif /* CONFIG_PROC_FS */
+
 #define ON_BOARD		1
 #define NEVER_BOARD		0
+
 #ifdef CONFIG_BLK_DEV_OFFBOARD
 #  define OFF_BOARD		ON_BOARD
 #else /* CONFIG_BLK_DEV_OFFBOARD */
 #  define OFF_BOARD		NEVER_BOARD
 #endif /* CONFIG_BLK_DEV_OFFBOARD */
 
+#define NODMA 0
+#define NOAUTODMA 1
+#define AUTODMA 2
+#define EOL 255
 
 typedef struct ide_pci_enablebit_s {
-	byte	reg;	/* byte pci reg holding the enable-bit */
-	byte	mask;	/* mask to isolate the enable-bit */
-	byte	val;	/* value of masked reg when "enabled" */
+	u8	reg;	/* byte pci reg holding the enable-bit */
+	u8	mask;	/* mask to isolate the enable-bit */
+	u8	val;	/* value of masked reg when "enabled" */
 } ide_pci_enablebit_t;
 
 typedef struct ide_pci_device_s {
-	ide_pci_devid_t		devid;
+	u16			vendor;
+	u16			device;
 	char			*name;
-	void			(*fixup_device)(struct pci_dev *, struct ide_pci_device_s *);
+	void			(*init_setup)(struct pci_dev *, struct ide_pci_device_s *);
 	unsigned int		(*init_chipset)(struct pci_dev *, const char *);
-	unsigned int		(*ata66_check)(ide_hwif_t *);
-	void			(*init_hwif)(ide_hwif_t *);
-	void			(*dma_init)(ide_hwif_t *, unsigned long);
+	void			(*init_iops)(ide_hwif_t *);
+	void                    (*init_hwif)(ide_hwif_t *);
+	void			(*init_dma)(ide_hwif_t *, unsigned long);
+	u8			channels;
+	u8			autodma;
 	ide_pci_enablebit_t	enablebits[2];
-	byte			bootable;
+	u8			bootable;
 	unsigned int		extra;
+	struct ide_pci_device_s	*next;
 } ide_pci_device_t;
 
 #ifdef LINUX_PCI_H
-extern inline void ide_register_xp_fix(struct pci_dev *dev)
-{
-	int i;
-	unsigned short cmd;
-	unsigned long flags;
-	unsigned long base_address[4] = { 0x1f0, 0x3f4, 0x170, 0x374 };
-
-	local_irq_save(flags);
-	pci_read_config_word(dev, PCI_COMMAND, &cmd);
-	pci_write_config_word(dev, PCI_COMMAND, cmd & ~PCI_COMMAND_IO);
-	for (i=0; i<4; i++) {
-		dev->resource[i].start = 0;
-		dev->resource[i].end = 0;
-		dev->resource[i].flags = 0;
-	}
-	for (i=0; i<4; i++) {
-		dev->resource[i].start = base_address[i];
-		dev->resource[i].flags |= PCI_BASE_ADDRESS_SPACE_IO;
-		pci_write_config_dword(dev,
-			(PCI_BASE_ADDRESS_0 + (i * 4)),
-			dev->resource[i].start);
-	}
-	pci_write_config_word(dev, PCI_COMMAND, cmd);
-	local_irq_restore(flags);
-}
-
-void ide_setup_pci_device(struct pci_dev *dev, ide_pci_device_t *d) __init;
+extern void ide_setup_pci_device(struct pci_dev *, ide_pci_device_t *);
+extern void ide_setup_pci_devices(struct pci_dev *, struct pci_dev *, ide_pci_device_t *);
 #endif /* LINUX_PCI_H */
 
-unsigned long ide_find_free_region (unsigned short size) __init;
-void ide_scan_pcibus (int scan_direction) __init;
-#endif
+#endif /* CONFIG_BLK_DEV_IDEPCI */
+
 #ifdef CONFIG_BLK_DEV_IDEDMA
 #define BAD_DMA_DRIVE		0
 #define GOOD_DMA_DRIVE		1
-int ide_build_dmatable (ide_drive_t *drive, ide_dma_action_t func);
-void ide_destroy_dmatable (ide_drive_t *drive);
-ide_startstop_t ide_dma_intr (ide_drive_t *drive);
-int check_drive_lists (ide_drive_t *drive, int good_bad);
-int report_drive_dmaing (ide_drive_t *drive);
-int ide_dmaproc (ide_dma_action_t func, ide_drive_t *drive);
-int ide_release_dma (ide_hwif_t *hwif);
-void ide_setup_dma (ide_hwif_t *hwif, unsigned long dmabase, unsigned int num_ports) __init;
-unsigned long ide_get_or_set_dma_base (ide_hwif_t *hwif, int extra, const char *name) __init;
-#endif /* CONFIG_BLK_DEV_IDEPCI */
+extern int ide_build_dmatable(ide_drive_t *, struct request *);
+extern void ide_destroy_dmatable(ide_drive_t *);
+extern ide_startstop_t ide_dma_intr(ide_drive_t *);
+extern int ide_release_dma(ide_hwif_t *);
+extern void ide_setup_dma(ide_hwif_t *, unsigned long, unsigned int);
+
+extern int __ide_dma_host_off(ide_drive_t *);
+extern int __ide_dma_off_quietly(ide_drive_t *);
+extern int __ide_dma_off(ide_drive_t *);
+extern int __ide_dma_host_on(ide_drive_t *);
+extern int __ide_dma_on(ide_drive_t *);
+extern int __ide_dma_check(ide_drive_t *);
+extern int __ide_dma_read(ide_drive_t *);
+extern int __ide_dma_write(ide_drive_t *);
+extern int __ide_dma_begin(ide_drive_t *);
+extern int __ide_dma_end(ide_drive_t *);
+extern int __ide_dma_test_irq(ide_drive_t *);
+extern int __ide_dma_bad_drive(ide_drive_t *);
+extern int __ide_dma_good_drive(ide_drive_t *);
+extern int __ide_dma_count(ide_drive_t *);
+extern int __ide_dma_verbose(ide_drive_t *);
+extern int __ide_dma_retune(ide_drive_t *);
+extern int __ide_dma_lostirq(ide_drive_t *);
+extern int __ide_dma_timeout(ide_drive_t *);
+#endif /* CONFIG_BLK_DEV_IDEDMA */
+
+extern void hwif_unregister(ide_hwif_t *);
+
+extern void export_ide_init_queue(ide_drive_t *);
+extern u8 export_probe_for_drive(ide_drive_t *);
+extern int probe_hwif_init(ide_hwif_t *);
+
+static inline void *ide_get_hwifdata (ide_hwif_t * hwif)
+{
+	return hwif->hwif_data;
+}
 
-void hwif_unregister (ide_hwif_t *hwif);
+static inline void ide_set_hwifdata (ide_hwif_t * hwif, void *data)
+{
+	hwif->hwif_data = data;
+}
 
-void export_ide_init_queue (ide_drive_t *drive);
-byte export_probe_for_drive (ide_drive_t *drive);
+/* ide-lib.c */
+extern u8 ide_dma_speed(ide_drive_t *drive, u8 mode);
+extern u8 ide_rate_filter(u8 mode, u8 speed); 
+extern int ide_dma_enable(ide_drive_t *drive);
+extern char *ide_xfer_verbose(u8 xfer_rate);
 
 extern spinlock_t ide_lock;
 
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 600035a0b715..bdce46f40af2 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -27,6 +27,7 @@ extern unsigned long event;
 #include <linux/securebits.h>
 #include <linux/fs_struct.h>
 #include <linux/compiler.h>
+#include <linux/completion.h>
 
 struct exec_domain;
 
@@ -128,8 +129,6 @@ struct sched_param {
 	int sched_priority;
 };
 
-struct completion;
-
 #ifdef __KERNEL__
 
 #include <linux/spinlock.h>
@@ -216,6 +215,12 @@ struct signal_struct {
         task_t                  *curr_target;
 
 	struct sigpending	shared_pending;
+
+	/* thread group exit support */
+	int			group_exit;
+	int			group_exit_code;
+
+	struct completion	group_exit_done;
 };
 
 /*
@@ -555,6 +560,7 @@ extern void notify_parent(struct task_struct *, int);
 extern void do_notify_parent(struct task_struct *, int);
 extern void force_sig(int, struct task_struct *);
 extern int send_sig(int, struct task_struct *, int);
+extern int __broadcast_thread_group(struct task_struct *p, int sig);
 extern int kill_pg(pid_t, int, int);
 extern int kill_sl(pid_t, int, int);
 extern int kill_proc(pid_t, int, int);
@@ -661,6 +667,7 @@ extern void exit_thread(void);
 extern void exit_mm(struct task_struct *);
 extern void exit_files(struct task_struct *);
 extern void exit_sighand(struct task_struct *);
+extern void __exit_sighand(struct task_struct *);
 extern void remove_thread_group(struct task_struct *tsk, struct signal_struct *sig);
 
 extern void reparent_to_init(void);
author	Linus Torvalds <torvalds@home.transmeta.com>	2002-09-12 00:35:47 -0700
committer	Linus Torvalds <torvalds@home.transmeta.com>	2002-09-12 00:35:47 -0700
commit	da4c77fcc28bf973867683e8f3dd056f3ff214f0 (patch)
tree	a9cac69265fb9cdf3fbe17826ce72f80ea303575 /include
parent	8916919b9d826f4ac881c5b938bf07d3fa34388e (diff)
parent	c3b72b7df571cf2c525aaea1298b674691927748 (diff)