Merge http://lia64.bkbits.net/to-linus-2.5

into home.osdl.org:/home/torvalds/v2.5/linux

arch/ia64/hp/common/sba_iommu.c

@@ -1849,18 +1849,19 @@ static struct file_operations ioc_map_fops = {
 static void __init
 ioc_proc_init(void)
 {
-	if (ioc_list) {
-		struct proc_dir_entry *dir, *entry;
+	struct proc_dir_entry *dir, *entry;
 
-		dir = proc_mkdir("bus/mckinley", 0);
-		entry = create_proc_entry(ioc_list->name, 0, dir);
-		if (entry)
-			entry->proc_fops = &ioc_fops;
+	dir = proc_mkdir("bus/mckinley", 0);
+	if (!dir)
+		return;
 
-		entry = create_proc_entry("bitmap", 0, dir);
-		if (entry)
-			entry->proc_fops = &ioc_map_fops;
-	}
+	entry = create_proc_entry(ioc_list->name, 0, dir);
+	if (entry)
+		entry->proc_fops = &ioc_fops;
+
+	entry = create_proc_entry("bitmap", 0, dir);
+	if (entry)
+		entry->proc_fops = &ioc_map_fops;
 }
 #endif
 
@@ -1946,6 +1947,8 @@ static int __init
 sba_init(void)
 {
 	acpi_bus_register_driver(&acpi_sba_ioc_driver);
+	if (!ioc_list)
+		return 0;
 
 #ifdef CONFIG_PCI
 	{

arch/ia64/kernel/setup.c

@@ -36,6 +36,7 @@
 #include <asm/ia32.h>
 #include <asm/machvec.h>
 #include <asm/mca.h>
+#include <asm/meminit.h>
 #include <asm/page.h>
 #include <asm/patch.h>
 #include <asm/pgtable.h>
@@ -83,91 +84,12 @@ unsigned long ia64_max_iommu_merge_mask = ~0UL;
 
 char saved_command_line[COMMAND_LINE_SIZE]; /* used in proc filesystem */
 
-/*
- * Entries defined so far:
- * 	- boot param structure itself
- * 	- memory map
- * 	- initrd (optional)
- * 	- command line string
- * 	- kernel code & data
- *
- * More could be added if necessary
- */
-#define IA64_MAX_RSVD_REGIONS 5
-
-struct rsvd_region {
-	unsigned long start;	/* virtual address of beginning of element */
-	unsigned long end;	/* virtual address of end of element + 1 */
-};
-
 /*
  * We use a special marker for the end of memory and it uses the extra (+1) slot
  */
-static struct rsvd_region rsvd_region[IA64_MAX_RSVD_REGIONS + 1];
-static int num_rsvd_regions;
-
-#define IGNORE_PFN0	1	/* XXX fix me: ignore pfn 0 until TLB miss handler is updated... */
-
-#ifndef CONFIG_DISCONTIGMEM
-
-static unsigned long bootmap_start; /* physical address where the bootmem map is located */
-
-static int
-find_max_pfn (unsigned long start, unsigned long end, void *arg)
-{
-	unsigned long *max_pfnp = arg, pfn;
-
-	pfn = (PAGE_ALIGN(end - 1) - PAGE_OFFSET) >> PAGE_SHIFT;
-	if (pfn > *max_pfnp)
-		*max_pfnp = pfn;
-	return 0;
-}
+struct rsvd_region rsvd_region[IA64_MAX_RSVD_REGIONS + 1];
+int num_rsvd_regions;
 
-#else /* CONFIG_DISCONTIGMEM */
-
-/*
- * efi_memmap_walk() knows nothing about layout of memory across nodes. Find
- * out to which node a block of memory belongs.  Ignore memory that we cannot
- * identify, and split blocks that run across multiple nodes.
- *
- * Take this opportunity to round the start address up and the end address
- * down to page boundaries.
- */
-void
-call_pernode_memory (unsigned long start, unsigned long end, void *arg)
-{
-	unsigned long rs, re;
-	void (*func)(unsigned long, unsigned long, int, int);
-	int i;
-
-	start = PAGE_ALIGN(start);
-	end &= PAGE_MASK;
-	if (start >= end)
-		return;
-
-	func = arg;
-
-	if (!num_memblks) {
-		/*
-		 * This machine doesn't have SRAT, so call func with
-		 * nid=0, bank=0.
-		 */
-		if (start < end)
-			(*func)(start, end - start, 0, 0);
-		return;
-	}
-
-	for (i = 0; i < num_memblks; i++) {
-		rs = max(start, node_memblk[i].start_paddr);
-		re = min(end, node_memblk[i].start_paddr+node_memblk[i].size);
-
-		if (rs < re)
-			(*func)(rs, re-rs, node_memblk[i].nid,
-				node_memblk[i].bank);
-	}
-}
-
-#endif /* CONFIG_DISCONTIGMEM */
 
 /*
  * Filter incoming memory segments based on the primitive map created from the boot
@@ -215,48 +137,6 @@ filter_rsvd_memory (unsigned long start, unsigned long end, void *arg)
 	return 0;
 }
 
-
-#ifndef CONFIG_DISCONTIGMEM
-/*
- * Find a place to put the bootmap and return its starting address in bootmap_start.
- * This address must be page-aligned.
- */
-static int
-find_bootmap_location (unsigned long start, unsigned long end, void *arg)
-{
-	unsigned long needed = *(unsigned long *)arg;
-	unsigned long range_start, range_end, free_start;
-	int i;
-
-#if IGNORE_PFN0
-	if (start == PAGE_OFFSET) {
-		start += PAGE_SIZE;
-		if (start >= end) return 0;
-	}
-#endif
-
-	free_start = PAGE_OFFSET;
-
-	for (i = 0; i < num_rsvd_regions; i++) {
-		range_start = max(start, free_start);
-		range_end   = min(end, rsvd_region[i].start & PAGE_MASK);
-
-		if (range_end <= range_start) continue;	/* skip over empty range */
-
-	       	if (range_end - range_start >= needed) {
-			bootmap_start = __pa(range_start);
-			return 1;	/* done */
-		}
-
-		/* nothing more available in this segment */
-		if (range_end == end) return 0;
-
-		free_start = PAGE_ALIGN(rsvd_region[i].end);
-	}
-	return 0;
-}
-#endif /* !CONFIG_DISCONTIGMEM */
-
 static void
 sort_regions (struct rsvd_region *rsvd_region, int max)
 {
@@ -275,10 +155,16 @@ sort_regions (struct rsvd_region *rsvd_region, int max)
 	}
 }
 
-static void
-find_memory (void)
+/**
+ * reserve_memory - setup reserved memory areas
+ *
+ * Setup the reserved memory areas set aside for the boot parameters,
+ * initrd, etc.  There are currently %IA64_MAX_RSVD_REGIONS defined,
+ * see include/asm-ia64/meminit.h if you need to define more.
+ */
+void
+reserve_memory (void)
 {
-	unsigned long bootmap_size;
 	int n = 0;
 
 	/*
@@ -317,36 +203,17 @@ find_memory (void)
 	num_rsvd_regions = n;
 
 	sort_regions(rsvd_region, num_rsvd_regions);
+}
 
-#ifdef CONFIG_DISCONTIGMEM
-	{
-		extern void discontig_mem_init (void);
-
-		bootmap_size = max_pfn = 0;	/* stop gcc warnings */
-		discontig_mem_init();
-	}
-#else /* !CONFIG_DISCONTIGMEM */
-
-	/* first find highest page frame number */
-	max_pfn = 0;
-	efi_memmap_walk(find_max_pfn, &max_pfn);
-
-	/* how many bytes to cover all the pages */
-	bootmap_size = bootmem_bootmap_pages(max_pfn) << PAGE_SHIFT;
-
-	/* look for a location to hold the bootmap */
-	bootmap_start = ~0UL;
-	efi_memmap_walk(find_bootmap_location, &bootmap_size);
-	if (bootmap_start == ~0UL)
-		panic("Cannot find %ld bytes for bootmap\n", bootmap_size);
-
-	bootmap_size = init_bootmem(bootmap_start >> PAGE_SHIFT, max_pfn);
-
-	/* Free all available memory, then mark bootmem-map as being in use.  */
-	efi_memmap_walk(filter_rsvd_memory, free_bootmem);
-	reserve_bootmem(bootmap_start, bootmap_size);
-#endif /* !CONFIG_DISCONTIGMEM */
-
+/**
+ * find_initrd - get initrd parameters from the boot parameter structure
+ *
+ * Grab the initrd start and end from the boot parameter struct given us by
+ * the boot loader.
+ */
+void
+find_initrd (void)
+{
 #ifdef CONFIG_BLK_DEV_INITRD
 	if (ia64_boot_param->initrd_start) {
 		initrd_start = (unsigned long)__va(ia64_boot_param->initrd_start);

arch/ia64/kernel/traps.c

@@ -335,7 +335,8 @@ handle_fpu_swa (int fp_fault, struct pt_regs *regs, unsigned long isr)
 	if ((fpu_swa_count < 4) && !(current->thread.flags & IA64_THREAD_FPEMU_NOPRINT)) {
 		last_time = jiffies;
 		++fpu_swa_count;
-		printk(KERN_WARNING "%s(%d): floating-point assist fault at ip %016lx, isr %016lx\n",
+		printk(KERN_WARNING
+		       "%s(%d): floating-point assist fault at ip %016lx, isr %016lx\n",
 		       current->comm, current->pid, regs->cr_iip + ia64_psr(regs)->ri, isr);
 	}
 

arch/ia64/mm/Makefile

@@ -7,3 +7,6 @@ obj-y := init.o fault.o tlb.o extable.o
 obj-$(CONFIG_HUGETLB_PAGE) += hugetlbpage.o
 obj-$(CONFIG_NUMA)	   += numa.o
 obj-$(CONFIG_DISCONTIGMEM) += discontig.o
+ifndef CONFIG_DISCONTIGMEM
+obj-y += contig.o
+endif

arch/ia64/mm/contig.c

+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 1998-2003 Hewlett-Packard Co
+ *	David Mosberger-Tang <davidm@hpl.hp.com>
+ *	Stephane Eranian <eranian@hpl.hp.com>
+ * Copyright (C) 2000, Rohit Seth <rohit.seth@intel.com>
+ * Copyright (C) 1999 VA Linux Systems
+ * Copyright (C) 1999 Walt Drummond <drummond@valinux.com>
+ * Copyright (C) 2003 Silicon Graphics, Inc. All rights reserved.
+ *
+ * Routines used by ia64 machines with contiguous (or virtually contiguous)
+ * memory.
+ */
+#include <linux/config.h>
+#include <linux/bootmem.h>
+#include <linux/efi.h>
+#include <linux/mm.h>
+#include <linux/swap.h>
+
+#include <asm/meminit.h>
+#include <asm/pgalloc.h>
+#include <asm/pgtable.h>
+#include <asm/sections.h>
+
+/**
+ * show_mem - display a memory statistics summary
+ *
+ * Just walks the pages in the system and describes where they're allocated.
+ */
+void
+show_mem (void)
+{
+	int i, total = 0, reserved = 0;
+	int shared = 0, cached = 0;
+
+	printk("Mem-info:\n");
+	show_free_areas();
+
+	printk("Free swap:       %6dkB\n", nr_swap_pages<<(PAGE_SHIFT-10));
+	i = max_mapnr;
+	while (i-- > 0) {
+		total++;
+		if (PageReserved(mem_map+i))
+			reserved++;
+		else if (PageSwapCache(mem_map+i))
+			cached++;
+		else if (page_count(mem_map + i))
+			shared += page_count(mem_map + i) - 1;
+	}
+	printk("%d pages of RAM\n", total);
+	printk("%d reserved pages\n", reserved);
+	printk("%d pages shared\n", shared);
+	printk("%d pages swap cached\n", cached);
+	printk("%ld pages in page table cache\n", pgtable_cache_size);
+}
+
+/* physical address where the bootmem map is located */
+unsigned long bootmap_start;
+
+/**
+ * find_max_pfn - adjust the maximum page number callback
+ * @start: start of range
+ * @end: end of range
+ * @arg: address of pointer to global max_pfn variable
+ *
+ * Passed as a callback function to efi_memmap_walk() to determine the highest
+ * available page frame number in the system.
+ */
+int
+find_max_pfn (unsigned long start, unsigned long end, void *arg)
+{
+	unsigned long *max_pfnp = arg, pfn;
+
+	pfn = (PAGE_ALIGN(end - 1) - PAGE_OFFSET) >> PAGE_SHIFT;
+	if (pfn > *max_pfnp)
+		*max_pfnp = pfn;
+	return 0;
+}
+
+/**
+ * find_bootmap_location - callback to find a memory area for the bootmap
+ * @start: start of region
+ * @end: end of region
+ * @arg: unused callback data
+ *
+ * Find a place to put the bootmap and return its starting address in
+ * bootmap_start.  This address must be page-aligned.
+ */
+int
+find_bootmap_location (unsigned long start, unsigned long end, void *arg)
+{
+	unsigned long needed = *(unsigned long *)arg;
+	unsigned long range_start, range_end, free_start;
+	int i;
+
+#if IGNORE_PFN0
+	if (start == PAGE_OFFSET) {
+		start += PAGE_SIZE;
+		if (start >= end)
+			return 0;
+	}
+#endif
+
+	free_start = PAGE_OFFSET;
+
+	for (i = 0; i < num_rsvd_regions; i++) {
+		range_start = max(start, free_start);
+		range_end   = min(end, rsvd_region[i].start & PAGE_MASK);
+
+		if (range_end <= range_start)
+			continue; /* skip over empty range */
+
+	       	if (range_end - range_start >= needed) {
+			bootmap_start = __pa(range_start);
+			return 1;	/* done */
+		}
+
+		/* nothing more available in this segment */
+		if (range_end == end)
+			return 0;
+
+		free_start = PAGE_ALIGN(rsvd_region[i].end);
+	}
+	return 0;
+}
+
+/**
+ * find_memory - setup memory map
+ *
+ * Walk the EFI memory map and find usable memory for the system, taking
+ * into account reserved areas.
+ */
+void
+find_memory (void)
+{
+	unsigned long bootmap_size;
+
+	reserve_memory();
+
+	/* first find highest page frame number */
+	max_pfn = 0;
+	efi_memmap_walk(find_max_pfn, &max_pfn);
+
+	/* how many bytes to cover all the pages */
+	bootmap_size = bootmem_bootmap_pages(max_pfn) << PAGE_SHIFT;
+
+	/* look for a location to hold the bootmap */
+	bootmap_start = ~0UL;
+	efi_memmap_walk(find_bootmap_location, &bootmap_size);
+	if (bootmap_start == ~0UL)
+		panic("Cannot find %ld bytes for bootmap\n", bootmap_size);
+
+	bootmap_size = init_bootmem(bootmap_start >> PAGE_SHIFT, max_pfn);
+
+	/* Free all available memory, then mark bootmem-map as being in use. */
+	efi_memmap_walk(filter_rsvd_memory, free_bootmem);
+	reserve_bootmem(bootmap_start, bootmap_size);
+
+	find_initrd();
+}

arch/ia64/mm/discontig.c

 /*
- * Copyright (c) 2000 Silicon Graphics, Inc.  All rights reserved.
+ * Copyright (c) 2000, 2003 Silicon Graphics, Inc.  All rights reserved.
  * Copyright (c) 2001 Intel Corp.
  * Copyright (c) 2001 Tony Luck <tony.luck@intel.com>
  * Copyright (c) 2002 NEC Corp.
@@ -12,10 +12,13 @@
 
 #include <linux/kernel.h>
 #include <linux/mm.h>
+#include <linux/swap.h>
 #include <linux/bootmem.h>
 #include <linux/mmzone.h>
 #include <linux/acpi.h>
 #include <linux/efi.h>
+#include <asm/pgalloc.h>
+#include <asm/meminit.h>
 
 
 /*
@@ -27,9 +30,6 @@ static struct ia64_node_data	*node_data[NR_NODES];
 static long			boot_pg_data[8*NR_NODES+sizeof(pg_data_t)]  __initdata;
 static pg_data_t		*pg_data_ptr[NR_NODES] __initdata;
 static bootmem_data_t		bdata[NR_NODES][NR_BANKS_PER_NODE+1] __initdata;
-
-extern int  filter_rsvd_memory (unsigned long start, unsigned long end, void *arg);
-
 /*
  * Return the compact node number of this cpu. Used prior to
  * setting up the cpu_data area.
@@ -198,7 +198,7 @@ allocate_pernode_structures(void)
 		pgdat->pgdat_next = new_pgdat_list;
 		new_pgdat_list = pgdat;
 	}
-	
+
 	memcpy(node_data[mynode]->pg_data_ptrs, pg_data_ptr, sizeof(pg_data_ptr));
 	memcpy(node_data[mynode]->node_data_ptrs, node_data, sizeof(node_data));
 
@@ -209,11 +209,12 @@ allocate_pernode_structures(void)
  * Called early in boot to setup the boot memory allocator, and to
  * allocate the node-local pg_data & node-directory data structures..
  */
-void __init
-discontig_mem_init(void)
+void __init find_memory(void)
 {
 	int	node;
 
+	reserve_memory();
+
 	if (numnodes == 0) {
 		printk(KERN_ERR "node info missing!\n");
 		numnodes = 1;
@@ -232,6 +233,8 @@ discontig_mem_init(void)
         efi_memmap_walk(filter_rsvd_memory, discontig_free_bootmem_node);
 	discontig_reserve_bootmem();
 	allocate_pernode_structures();
+
+	find_initrd();
 }
 
 /*
@@ -242,8 +245,8 @@ discontig_mem_init(void)
  *	  the per-bank mem_map entries.
  *	- fix the page struct "virtual" pointers. These are bank specific
  *	  values that the paging system doesn't understand.
- *	- replicate the nodedir structure to other nodes	
- */ 
+ *	- replicate the nodedir structure to other nodes
+ */
 
 void __init
 discontig_paging_init(void)
@@ -305,3 +308,71 @@ discontig_paging_init(void)
 		}
 }
 
+void show_mem(void)
+{
+	int i, reserved = 0;
+	int shared = 0, cached = 0;
+	pg_data_t *pgdat;
+
+	printk("Mem-info:\n");
+	show_free_areas();
+	printk("Free swap:       %6dkB\n", nr_swap_pages<<(PAGE_SHIFT-10));
+	for_each_pgdat(pgdat) {
+		printk("Node ID: %d\n", pgdat->node_id);
+		for(i = 0; i < pgdat->node_spanned_pages; i++) {
+			if (PageReserved(pgdat->node_mem_map+i))
+				reserved++;
+			else if (PageSwapCache(pgdat->node_mem_map+i))
+				cached++;
+			else if (page_count(pgdat->node_mem_map+i))
+				shared += page_count(pgdat->node_mem_map+i)-1;
+		}
+		printk("\t%ld pages of RAM\n", pgdat->node_present_pages);
+		printk("\t%d reserved pages\n", reserved);
+		printk("\t%d pages shared\n", shared);
+		printk("\t%d pages swap cached\n", cached);
+	}
+	printk("Total of %ld pages in page table cache\n", pgtable_cache_size);
+	printk("%d free buffer pages\n", nr_free_buffer_pages());
+}
+
+/*
+ * efi_memmap_walk() knows nothing about layout of memory across nodes. Find
+ * out to which node a block of memory belongs.  Ignore memory that we cannot
+ * identify, and split blocks that run across multiple nodes.
+ *
+ * Take this opportunity to round the start address up and the end address
+ * down to page boundaries.
+ */
+void call_pernode_memory(unsigned long start, unsigned long end, void *arg)
+{
+	unsigned long rs, re;
+	void (*func)(unsigned long, unsigned long, int, int);
+	int i;
+
+	start = PAGE_ALIGN(start);
+	end &= PAGE_MASK;
+	if (start >= end)
+		return;
+
+	func = arg;
+
+	if (!num_memblks) {
+		/*
+		 * This machine doesn't have SRAT, so call func with
+		 * nid=0, bank=0.
+		 */
+		if (start < end)
+			(*func)(start, end - start, 0, 0);
+		return;
+	}
+
+	for (i = 0; i < num_memblks; i++) {
+		rs = max(start, node_memblk[i].start_paddr);
+		re = min(end, node_memblk[i].start_paddr+node_memblk[i].size);
+
+		if (rs < re)
+			(*func)(rs, re-rs, node_memblk[i].nid,
+				node_memblk[i].bank);
+	}
+}

arch/ia64/mm/init.c

@@ -214,58 +214,6 @@ free_initrd_mem (unsigned long start, unsigned long end)
 	}
 }
 
-void
-show_mem(void)
-{
-	int i, total = 0, reserved = 0;
-	int shared = 0, cached = 0;
-
-	printk("Mem-info:\n");
-	show_free_areas();
-
-#ifdef CONFIG_DISCONTIGMEM
-	{
-		pg_data_t *pgdat;
-
-		printk("Free swap:       %6dkB\n", nr_swap_pages<<(PAGE_SHIFT-10));
-		for_each_pgdat(pgdat) {
-			printk("Node ID: %d\n", pgdat->node_id);
-			for(i = 0; i < pgdat->node_spanned_pages; i++) {
-				if (PageReserved(pgdat->node_mem_map+i))
-					reserved++;
-				else if (PageSwapCache(pgdat->node_mem_map+i))
-					cached++;
-				else if (page_count(pgdat->node_mem_map + i))
-					shared += page_count(pgdat->node_mem_map + i) - 1;
-			}
-			printk("\t%d pages of RAM\n", pgdat->node_spanned_pages);
-			printk("\t%d reserved pages\n", reserved);
-			printk("\t%d pages shared\n", shared);
-			printk("\t%d pages swap cached\n", cached);
-		}
-		printk("Total of %ld pages in page table cache\n", pgtable_cache_size);
-		printk("%d free buffer pages\n", nr_free_buffer_pages());
-	}
-#else /* !CONFIG_DISCONTIGMEM */
-	printk("Free swap:       %6dkB\n", nr_swap_pages<<(PAGE_SHIFT-10));
-	i = max_mapnr;
-	while (i-- > 0) {
-		total++;
-		if (PageReserved(mem_map+i))
-			reserved++;
-		else if (PageSwapCache(mem_map+i))
-			cached++;
-		else if (page_count(mem_map + i))
-			shared += page_count(mem_map + i) - 1;
-	}
-	printk("%d pages of RAM\n", total);
-	printk("%d reserved pages\n", reserved);
-	printk("%d pages shared\n", shared);
-	printk("%d pages swap cached\n", cached);
-	printk("%ld pages in page table cache\n", pgtable_cache_size);
-#endif /* !CONFIG_DISCONTIGMEM */
-}
-
 /*
  * This is like put_dirty_page() but installs a clean page in the kernel's page table.
  */

arch/ia64/sn/io/drivers/ioconfig_bus.c

@@ -17,8 +17,6 @@
 #include <linux/pci.h>
 
 #include <asm/sn/sgi.h>
-#include <linux/devfs_fs.h>
-#include <linux/devfs_fs_kernel.h>
 #include <asm/io.h>
 #include <asm/sn/iograph.h>
 #include <asm/sn/invent.h>
@@ -354,7 +352,7 @@ struct file_operations ioconfig_bus_fops = {
 
 /*
  * init_ifconfig_bus() - Boot time initialization.  Ensure that it is called 
- *	after devfs has been initialized.
+ *	after hwgfs has been initialized.
  *
  */
 int init_ioconfig_bus(void)

arch/ia64/sn/io/hwgfs/Makefile

@@ -9,5 +9,4 @@
 
 EXTRA_CFLAGS    := -DLITTLE_ENDIAN
 
-obj-y				+= hcl.o labelcl.o hcl_util.o invent_stub.o \
-				   ramfs.o interface.o
+obj-y		+= hcl.o labelcl.o hcl_util.o ramfs.o interface.o

arch/ia64/sn/io/hwgfs/hcl.c

@@ -53,73 +53,12 @@ static unsigned int hcl_debug = HCL_DEBUG_NONE;
 static unsigned int boot_options = OPTION_NONE;
 #endif
 
-/*
- * Some Global definitions.
- */
-vertex_hdl_t hcl_handle;
-
 invplace_t invplace_none = {
 	GRAPH_VERTEX_NONE,
 	GRAPH_VERTEX_PLACE_NONE,
 	NULL
 };
 
-/*
- * HCL device driver.
- * The purpose of this device driver is to provide a facility 
- * for User Level Apps e.g. hinv, ioconfig etc. an ioctl path 
- * to manipulate label entries without having to implement
- * system call interfaces.  This methodology will enable us to 
- * make this feature module loadable.
- */
-static int hcl_open(struct inode * inode, struct file * filp)
-{
-	if (hcl_debug) {
-        	printk("HCL: hcl_open called.\n");
-	}
-
-        return(0);
-
-}
-
-static int hcl_close(struct inode * inode, struct file * filp)
-{
-
-	if (hcl_debug) {
-        	printk("HCL: hcl_close called.\n");
-	}
-
-        return(0);
-
-}
-
-static int hcl_ioctl(struct inode * inode, struct file * file,
-        unsigned int cmd, unsigned long arg)
-{
-
-	if (hcl_debug) {
-		printk("HCL: hcl_ioctl called.\n");
-	}
-
-	switch (cmd) {
-		default:
-			if (hcl_debug) {
-				printk("HCL: hcl_ioctl cmd = 0x%x\n", cmd);
-			}
-	}
-
-	return(0);
-
-}
-
-struct file_operations hcl_fops = {
-	.owner = (struct module *)0,
-	.ioctl = hcl_ioctl,
-	.open = hcl_open,
-	.release = hcl_close,
-};
-
-
 /*
  * init_hcl() - Boot time initialization.
  *
@@ -146,21 +85,6 @@ int __init init_hcl(void)
 	if (rv)
 		printk ("WARNING: init_hcl: Failed to create hwgraph_root. Error = %d.\n", rv);
 
-	/*
-	 * Create the hcl driver to support inventory entry manipulations.
-	 *
-	 */
-	hcl_handle = hwgraph_register(hwgraph_root, ".hcl",
-		        0, 0,
-			0, 0,
-			S_IFCHR | S_IRUSR | S_IWUSR | S_IRGRP, 0, 0,
-			&hcl_fops, NULL);
-
-	if (hcl_handle == NULL) {
-		panic("HCL: Unable to create HCL Driver in init_hcl().\n");
-		return(0);
-	}
-
 	/*
 	 * Initialize the HCL string table.
 	 */

arch/ia64/sn/io/hwgfs/invent_stub.c

-/* $Id$
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Copyright (C) 1992-1997,2000-2003 Silicon Graphics, Inc. All rights reserved.
- */
-
-/*
- * Hardware Inventory
- *
- * See sys/sn/invent.h for an explanation of the hardware inventory contents.
- *
- */
-#include <linux/types.h>
-#include <asm/sn/sgi.h>
-#include <asm/sn/hwgfs.h>
-#include <asm/sn/invent.h>
-#include <asm/sn/hcl.h>
-#include <asm/sn/labelcl.h>
-#include <asm/sn/invent.h>
-
-void
-inventinit(void)
-{
-}
-
-/*
- * For initializing/updating an inventory entry.
- */
-void
-replace_in_inventory(
-	inventory_t *pinv, int class, int type,
-	int controller, int unit, int state)
-{
-}
-
-/*
- * Inventory addition 
- *
- * XXX NOTE: Currently must be called after dynamic memory allocator is
- * initialized.
- *
- */
-void
-add_to_inventory(int class, int type, int controller, int unit, int state)
-{
-}
-
-
-/*
- * Inventory retrieval 
- *
- * These two routines are intended to prevent the caller from having to know
- * the internal structure of the inventory table.
- *
- * The caller of get_next_inventory is supposed to call start_scan_invent
- * before the irst call to get_next_inventory, and the caller is required
- * to call end_scan_invent after the last call to get_next_inventory.
- */
-inventory_t *
-get_next_inventory(invplace_t *place)
-{
-	return((inventory_t *) NULL);
-}
-
-/* ARGSUSED */
-int
-get_sizeof_inventory(int abi)
-{
-	return sizeof(inventory_t);
-}
-
-/* Must be called prior to first call to get_next_inventory */
-void
-start_scan_inventory(invplace_t *iplace)
-{
-}
-
-/* Must be called after last call to get_next_inventory */
-void
-end_scan_inventory(invplace_t *iplace)
-{
-}
-
-/*
- * Hardware inventory scanner.
- *
- * Calls fun() for every entry in inventory list unless fun() returns something
- * other than 0.
- */
-int
-scaninvent(int (*fun)(inventory_t *, void *), void *arg)
-{
-	return 0;
-}
-
-/*
- * Find a particular inventory object
- *
- * pinv can be a pointer to an inventory entry and the search will begin from
- * there, or it can be 0 in which case the search starts at the beginning.
- * A -1 for any of the other arguments is a wildcard (i.e. it always matches).
- */
-inventory_t *
-find_inventory(inventory_t *pinv, int class, int type, int controller,
-	       int unit, int state)
-{
-	return((inventory_t *) NULL);
-}
-
-
-/*
-** Retrieve inventory data associated with a device.
-*/
-inventory_t *
-device_inventory_get_next(	vertex_hdl_t device,
-				invplace_t *invplace)
-{
-		return((inventory_t *) NULL);
-}
-
-
-/*
-** Associate canonical inventory information with a device (and
-** add it to the general inventory).
-*/
-void
-device_inventory_add(	vertex_hdl_t device,
-			int class, 
-			int type, 
-			major_t controller, 
-			minor_t unit, 
-			int state)
-{
-}
-
-int
-device_controller_num_get(vertex_hdl_t device)
-{
-	return (0);
-}
-
-void
-device_controller_num_set(vertex_hdl_t device, int contr_num)
-{
-}

arch/ia64/sn/io/machvec/pci.c

@@ -35,8 +35,6 @@
  * can probably be removed with a little more cleanup now that the SAL routines
  * work on sn2.
  */
-#ifdef CONFIG_PCI
-
 extern vertex_hdl_t devfn_to_vertex(unsigned char bus, unsigned char devfn);
 
 int sn_read_config(struct pci_bus *bus, unsigned int devfn, int where, int size, u32 *val)
@@ -71,9 +69,3 @@ struct pci_ops sn_pci_ops = {
 	.read = sn_read_config,
 	.write = sn_write_config,
 };
-
-#else
-struct list_head pci_root_buses;
-struct list_head pci_root_buses;
-struct list_head pci_devices;
-#endif /* CONFIG_PCI */

arch/ia64/sn/io/machvec/pci_bus_cvlink.c

@@ -426,7 +426,7 @@ sn_pci_fixup(int arg)
 	struct pci_dev *device_dev = NULL;
 	struct sn_widget_sysdata *widget_sysdata;
 	struct sn_device_sysdata *device_sysdata;
-	pciio_intr_t intr_handle;
+	pcibr_intr_t intr_handle;
 	int cpuid;
 	vertex_hdl_t device_vertex;
 	pciio_intr_line_t lines;
@@ -438,14 +438,18 @@ sn_pci_fixup(int arg)
 		extern void register_sn_procfs(void);
 #endif
 		extern void irix_io_init(void);
+		extern void sn_init_cpei_timer(void);
 		
 		init_hcl();
 		irix_io_init();
 		
 		for (cnode = 0; cnode < numnodes; cnode++) {
-			extern void intr_init_vecblk(nodepda_t *npda, cnodeid_t, int);
-			intr_init_vecblk(NODEPDA(cnode), cnode, 0);
+			extern void intr_init_vecblk(cnodeid_t);
+			intr_init_vecblk(cnode);
 		} 
+
+		sn_init_cpei_timer();
+
 #ifdef CONFIG_PROC_FS
 		register_sn_procfs();
 #endif
@@ -545,17 +549,17 @@ sn_pci_fixup(int arg)
 				     (unsigned char *)&lines);
 	 
 		irqpdaindr->curr = device_dev;
-		intr_handle = pciio_intr_alloc(device_vertex, NULL, lines, device_vertex);
+		intr_handle = pcibr_intr_alloc(device_vertex, NULL, lines, device_vertex);
 
-		irq = intr_handle->pi_irq;
+		irq = intr_handle->bi_irq;
 		irqpdaindr->device_dev[irq] = device_dev;
-		cpuid = intr_handle->pi_cpu;
-		pciio_intr_connect(intr_handle, (intr_func_t)0, (intr_arg_t)0);
+		cpuid = intr_handle->bi_cpu;
+		pcibr_intr_connect(intr_handle, (intr_func_t)0, (intr_arg_t)0);
 		device_dev->irq = irq;
-		register_pcibr_intr(irq, (pcibr_intr_t)intr_handle);
+		register_pcibr_intr(irq, intr_handle);
 
 		for (idx = 0; idx < PCI_ROM_RESOURCE; idx++) {
-			int ibits = ((pcibr_intr_t)intr_handle)->bi_ibits;
+			int ibits = intr_handle->bi_ibits;
 			int i;
 
 			size = device_dev->resource[idx].end -
@@ -700,12 +704,12 @@ pci_bus_map_create(vertex_hdl_t xtalk, char * io_moduleid)
 		 * Pre assign DMA maps needed for 32 Bits Page Map DMA.
 		 */
 		busnum_to_atedmamaps[num_bridges - 1] = (void *) kmalloc(
-			sizeof(struct sn_dma_maps_s) * MAX_ATE_MAPS, GFP_KERNEL);
+			sizeof(struct pcibr_dmamap_s) * MAX_ATE_MAPS, GFP_KERNEL);
 		if (!busnum_to_atedmamaps[num_bridges - 1])
 			printk("WARNING: pci_bus_map_create: Unable to precreate ATE DMA Maps for busnum %d vertex 0x%p\n", num_bridges - 1, (void *)xwidget);
 
 		memset(busnum_to_atedmamaps[num_bridges - 1], 0x0, 
-			sizeof(struct sn_dma_maps_s) * MAX_ATE_MAPS);
+			sizeof(struct pcibr_dmamap_s) * MAX_ATE_MAPS);
 
 	}
 
@@ -764,12 +768,12 @@ pci_bus_map_create(vertex_hdl_t xtalk, char * io_moduleid)
 			 * Pre assign DMA maps needed for 32 Bits Page Map DMA.
 			 */
 			busnum_to_atedmamaps[bus_number] = (void *) kmalloc(
-				sizeof(struct sn_dma_maps_s) * MAX_ATE_MAPS, GFP_KERNEL);
+				sizeof(struct pcibr_dmamap_s) * MAX_ATE_MAPS, GFP_KERNEL);
 			if (!busnum_to_atedmamaps[bus_number])
 				printk("WARNING: pci_bus_map_create: Unable to precreate ATE DMA Maps for busnum %d vertex 0x%p\n", num_bridges - 1, (void *)xwidget);
 	
 			memset(busnum_to_atedmamaps[bus_number], 0x0, 
-				sizeof(struct sn_dma_maps_s) * MAX_ATE_MAPS);
+				sizeof(struct pcibr_dmamap_s) * MAX_ATE_MAPS);
 		}
 	}
 

arch/ia64/sn/io/sn2/Makefile

@@ -14,6 +14,3 @@ EXTRA_CFLAGS := -DLITTLE_ENDIAN
 obj-y += pcibr/ ml_SN_intr.o shub_intr.o shuberror.o shub.o bte_error.o \
 	 pic.o geo_op.o l1_command.o klconflib.o klgraph.o ml_SN_init.o \
 	 ml_iograph.o module.o pciio.o xbow.o xtalk.o shubio.o
-
-obj-$(CONFIG_KDB) += kdba_io.o 
-obj-$(CONFIG_SHUB_1_0_SPECIFIC) += efi-rtc.o

arch/ia64/sn/io/sn2/kdba_io.c

-/*
- * Kernel Debugger Architecture Dependent POD functions.
- *
- * Copyright (C) 1999-2003 Silicon Graphics, Inc.  All Rights Reserved
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of version 2 of the GNU General Public License
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it would be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
- *
- * Further, this software is distributed without any warranty that it is
- * free of the rightful claim of any third person regarding infringement
- * or the like.  Any license provided herein, whether implied or
- * otherwise, applies only to this software file.  Patent licenses, if
- * any, provided herein do not apply to combinations of this program with
- * other software, or any other product whatsoever.
- *
- * You should have received a copy of the GNU General Public
- * License along with this program; if not, write the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
- *
- * Contact information:  Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
- * Mountain View, CA  94043, or:
- *
- * http://www.sgi.com
- *
- * For further information regarding this notice, see:
- *
- * http://oss.sgi.com/projects/GenInfo/NoticeExplan
- */
-
-#include <linux/types.h>
-#include <linux/kdb.h>
-//#include <linux/kdbprivate.h>
-
-/**
- * kdba_io - enter POD mode from kdb
- * @argc: arg count
- * @argv: arg values
- * @envp: kdb env. vars
- * @regs: current register state
- *
- * Enter POD mode from kdb using SGI SN specific SAL function call.
- */
-static int
-kdba_io(int argc, const char **argv, const char **envp, struct pt_regs *regs)
-{
-	kdb_printf("kdba_io entered with addr 0x%p\n", (void *) regs);
-
-        return(0);
-}
-
-/**
- * kdba_io_init - register 'io' command with kdb
- *
- * Register the 'io' command with kdb at load time.
- */
-void
-kdba_io_init(void)
-{
-        kdb_register("io", kdba_io, "<vaddr>", "Display IO Contents", 0);
-}
-
-/**
- * kdba_io_exit - unregister the 'io' command
- *
- * Tell kdb that the 'io' command is no longer available.
- */
-static void __exit
-kdba_exit(void)
-{
-        kdb_unregister("io");
-}

arch/ia64/sn/io/sn2/ml_iograph.c

@@ -268,17 +268,6 @@ iograph_early_init(void)
 	}
 }
 
-/*
- * Let boot processor know that we're done initializing our node's IO
- * and then exit.
- */
-/* ARGSUSED */
-static void
-io_init_done(cnodeid_t cnodeid,cpu_cookie_t c)
-{
-	/* Let boot processor know that we're done. */
-}
-
 /* 
  * Probe to see if this hub's xtalk link is active.  If so,
  * return the Crosstalk Identification of the widget that we talk to.  
@@ -329,28 +318,6 @@ early_probe_for_widget(vertex_hdl_t hubv, xwidget_hwid_t hwid)
 	}
 }
 
-/* Add inventory information to the widget vertex 
- * Right now (module,slot,revision) is being
- * added as inventory information.
- */
-static void
-xwidget_inventory_add(vertex_hdl_t 		widgetv,
-		      lboard_t 			*board,
-		      struct xwidget_hwid_s 	hwid)
-{
-	if (!board)
-		return;
-	/* Donot add inventory information for the baseio
-	 * on a speedo with an xbox. It has already been
-	 * taken care of in SN00_vmc.
-	 * Speedo with xbox's baseio comes in at slot io1 (widget 9)
-	 */
-	device_inventory_add(widgetv,INV_IOBD,board->brd_type,
-			     geo_module(board->brd_geoid),
-			     SLOTNUM_GETSLOT(board->brd_slot),
-			     hwid.rev_num);
-}
-
 /*
  * io_xswitch_widget_init
  *	
@@ -494,10 +461,6 @@ io_xswitch_widget_init(vertex_hdl_t  	xswitchv,
 		hwid.part_num = XWIDGET_PART_NUM(widget_id);
 		hwid.rev_num = XWIDGET_REV_NUM(widget_id);
 		hwid.mfg_num = XWIDGET_MFG_NUM(widget_id);
-		/* Store some inventory information about
-		 * the xwidget in the hardware graph.
-		 */
-		xwidget_inventory_add(widgetv,board,hwid);
 
 		(void)xwidget_register(&hwid, widgetv, widgetnum,
 				       hubv, hub_widgetid);
@@ -687,11 +650,6 @@ io_init_node(cnodeid_t cnodeid)
 				DBG("Interfering with device probing!!!\n");
 		}
 #endif
-		/* io_init_done takes cpu cookie as 2nd argument 
-		 * to do a restorenoderun for the setnoderun done 
-		 * at the start of this thread 
-		 */
-		
 		DBG("**** io_init_node: Node's 0x%p hub widget has XWIDGET_PART_NUM_NONE ****\n", hubv);
 		return;
 		/* NOTREACHED */
@@ -795,15 +753,6 @@ io_init_node(cnodeid_t cnodeid)
 
 		(void)xwidget_register(&hwid, widgetv, npdap->basew_id, hubv, hubinfo->h_widgetid);
 
-		if (!is_xswitch) {
-			/* io_init_done takes cpu cookie as 2nd argument 
-			 * to do a restorenoderun for the setnoderun done 
-			 * at the start of this thread 
-			 */
-			io_init_done(cnodeid,c);
-			/* NOTREACHED */
-		}
-
 		/* 
 		 * Special handling for Crosstalk Switches (e.g. xbow).
 		 * We need to do things in roughly the following order:
@@ -848,35 +797,9 @@ io_init_node(cnodeid_t cnodeid)
 	io_init_xswitch_widgets(switchv, cnodeid);
 	io_link_xswitch_widgets(switchv, cnodeid);
 
-	/* io_init_done takes cpu cookie as 2nd argument 
-	 * to do a restorenoderun for the setnoderun done 
-	 * at the start of this thread 
-	 */
-	io_init_done(cnodeid,c);
-
 	DBG("\nio_init_node: DONE INITIALIZED ALL I/O FOR CNODEID %d\n\n", cnodeid);
 }
 
-
-#define IOINIT_STKSZ	(16 * 1024)
-
-#define __DEVSTR1 	"/../.master/"
-#define __DEVSTR2 	"/target/"
-#define __DEVSTR3 	"/lun/0/disk/partition/"
-#define	__DEVSTR4	"/../ef"
-
-/*
- * ioconfig starts numbering SCSI's at NUM_BASE_IO_SCSI_CTLR.
- */
-#define NUM_BASE_IO_SCSI_CTLR 6
-/*
- * This tells ioconfig where it can start numbering scsi controllers.
- * Below this base number, platform-specific handles the numbering.
- * XXX Irix legacy..controller numbering should be part of devfsd's job
- */
-int num_base_io_scsi_ctlr = 2; /* used by syssgi */
-vertex_hdl_t		base_io_scsi_ctlr_vhdl[NUM_BASE_IO_SCSI_CTLR];
-
 #include <asm/sn/ioerror_handling.h>
 /* #endif */
 
@@ -914,78 +837,6 @@ init_all_devices(void)
 
 #define toint(x) ((int)(x) - (int)('0'))
 
-void
-devnamefromarcs(char *devnm)
-{
-	int 			val;
-	char 			tmpnm[MAXDEVNAME];
-	char 			*tmp1, *tmp2;
-	
-	val = strncmp(devnm, "dks", 3);
-	if (val != 0) 
-		return;
-	tmp1 = devnm + 3;
-	if (!isdigit(*tmp1))
-		return;
-
-	val = 0;
-	while (isdigit(*tmp1)) {
-		val = 10*val+toint(*tmp1);
-		tmp1++;
-	}
-
-	if(*tmp1 != 'd')
-		return;
-	else
-		tmp1++;
-
-	if ((val < 0) || (val >= num_base_io_scsi_ctlr)) {
-		int i;
-		int viable_found = 0;
-
-		DBG("Only controller numbers 0..%d  are supported for\n", NUM_BASE_IO_SCSI_CTLR-1);
-		DBG("prom \"root\" variables of the form dksXdXsX.\n");
-		DBG("To use another disk you must use the full hardware graph path\n\n");
-		DBG("Possible controller numbers for use in 'dksXdXsX' on this system: ");
-		for (i=0; i<NUM_BASE_IO_SCSI_CTLR; i++) {
-			if (base_io_scsi_ctlr_vhdl[i] != GRAPH_VERTEX_NONE) {
-				DBG("%d ", i);
-				viable_found=1;
-			}
-		}
-		if (viable_found)
-			DBG("\n");
-		else
-			DBG("none found!\n");
-
-		DELAY(15000000);
-		//prom_reboot();
-		panic("FIXME: devnamefromarcs: should call prom_reboot here.\n");
-		/* NOTREACHED */
-	}
-		
-	ASSERT(base_io_scsi_ctlr_vhdl[val] != GRAPH_VERTEX_NONE);
-	vertex_to_name(base_io_scsi_ctlr_vhdl[val],
-		       tmpnm,
-		       MAXDEVNAME);
-	tmp2 = 	tmpnm + strlen(tmpnm);
-	strcpy(tmp2, __DEVSTR2);
-	tmp2 += strlen(__DEVSTR2);
-	while (*tmp1 != 's') {
-		if((*tmp2++ = *tmp1++) == '\0')
-			return;
-	}	
-	tmp1++;
-	strcpy(tmp2, __DEVSTR3);
-	tmp2 += strlen(__DEVSTR3);
-	while ( (*tmp2++ = *tmp1++) )
-		;
-	tmp2--;
-	*tmp2++ = '/';
-	strcpy(tmp2, EDGE_LBL_BLOCK);
-	strcpy(devnm,tmpnm);
-}
-
 static
 struct io_brick_map_s io_brick_tab[] = {
 

arch/ia64/sn/io/sn2/pciio.c

@@ -14,6 +14,7 @@
 #include <linux/sched.h>
 #include <linux/ioport.h>
 #include <linux/slab.h>
+#include <linux/module.h>
 #include <asm/sn/sgi.h>
 #include <asm/sn/xtalk/xbow.h>	/* Must be before iograph.h to get MAX_PORT_NUM */
 #include <asm/sn/iograph.h>
@@ -947,15 +948,6 @@ pciio_info_get(vertex_hdl_t pciio)
 
     pciio_info = (pciio_info_t) hwgraph_fastinfo_get(pciio);
 
-#ifdef DEBUG_PCIIO
-    {
-	int pos;
-	char dname[256];
-	pos = devfs_generate_path(pciio, dname, 256);
-	printk("%s : path= %s\n", __FUNCTION__, &dname[pos]);
-    }
-#endif /* DEBUG_PCIIO */
-
     if ((pciio_info != NULL) &&
         (pciio_info->c_fingerprint != pciio_info_fingerprint)
         && (pciio_info->c_fingerprint != NULL)) {
@@ -1212,14 +1204,6 @@ pciio_device_info_register(
 
     pciio_info->c_vertex = pconn;
     pciio_info_set(pconn, pciio_info);
-#ifdef DEBUG_PCIIO
-    {
-	int pos;
-	char dname[256];
-	pos = devfs_generate_path(pconn, dname, 256);
-	printk("%s : pconn path= %s \n", __FUNCTION__, &dname[pos]);
-    }
-#endif /* DEBUG_PCIIO */
 
     /*
      * create link to our pci provider
@@ -1254,24 +1238,6 @@ pciio_device_info_unregister(vertex_hdl_t connectpt,
     hwgraph_vertex_destroy(pconn);
     
 }
-/* Add the pci card inventory information to the hwgraph
- */
-static void
-pciio_device_inventory_add(vertex_hdl_t pconn_vhdl)
-{
-    pciio_info_t	pciio_info = pciio_info_get(pconn_vhdl);
-
-    ASSERT(pciio_info);
-    ASSERT(pciio_info->c_vertex == pconn_vhdl);
-
-    /* Donot add inventory  for non-existent devices */
-    if ((pciio_info->c_vendor == PCIIO_VENDOR_ID_NONE)	||
-	(pciio_info->c_device == PCIIO_DEVICE_ID_NONE))
-	return;
-    device_inventory_add(pconn_vhdl,INV_IOBD,INV_PCIADAP,
-			 pciio_info->c_vendor,pciio_info->c_device,
-			 pciio_info->c_slot);
-}
 
 /*ARGSUSED */
 int
@@ -1283,7 +1249,6 @@ pciio_device_attach(vertex_hdl_t pconn,
     pciio_device_id_t       device_id;
 
 
-    pciio_device_inventory_add(pconn);
     pciio_info = pciio_info_get(pconn);
 
     vendor_id = pciio_info->c_vendor;
@@ -1435,27 +1400,10 @@ pciio_info_type1_get(pciio_info_t pci_info)
 	return(0);
 }
 
-
 /*
- * These are complementary Linux interfaces that takes in a pci_dev * as the 
- * first arguement instead of vertex_hdl_t.
+ *  XXX: should probably be called __sn2_pci_rrb_alloc
  */
-iopaddr_t               snia_pciio_dmatrans_addr(struct pci_dev *, device_desc_t, paddr_t, size_t, unsigned);
-pciio_dmamap_t          snia_pciio_dmamap_alloc(struct pci_dev *, device_desc_t, size_t, unsigned);
-void                    snia_pciio_dmamap_free(pciio_dmamap_t);
-iopaddr_t               snia_pciio_dmamap_addr(pciio_dmamap_t, paddr_t, size_t);
-void                    snia_pciio_dmamap_done(pciio_dmamap_t);
-pciio_endian_t          snia_pciio_endian_set(struct pci_dev *pci_dev, pciio_endian_t device_end,
-					      pciio_endian_t desired_end);
-
-#include <linux/module.h>
-EXPORT_SYMBOL(snia_pciio_dmatrans_addr);
-EXPORT_SYMBOL(snia_pciio_dmamap_alloc);
-EXPORT_SYMBOL(snia_pciio_dmamap_free);
-EXPORT_SYMBOL(snia_pciio_dmamap_addr);
-EXPORT_SYMBOL(snia_pciio_dmamap_done);
-EXPORT_SYMBOL(snia_pciio_endian_set);
-
+/* used by qla1280 */
 int
 snia_pcibr_rrb_alloc(struct pci_dev *pci_dev,
 	int *count_vchan0,
@@ -1467,6 +1415,13 @@ snia_pcibr_rrb_alloc(struct pci_dev *pci_dev,
 }
 EXPORT_SYMBOL(snia_pcibr_rrb_alloc);
 
+/* 
+ * XXX: interface should be more like
+ *
+ *	int __sn2_pci_enable_bwswap(struct pci_dev *dev);
+ *	void __sn2_pci_disable_bswap(struct pci_dev *dev);
+ */
+/* used by ioc4 ide */
 pciio_endian_t
 snia_pciio_endian_set(struct pci_dev *pci_dev,
 	pciio_endian_t device_end,
@@ -1477,62 +1432,4 @@ snia_pciio_endian_set(struct pci_dev *pci_dev,
 	return DEV_FUNC(dev, endian_set)
 		(dev, device_end, desired_end);
 }
-
-iopaddr_t
-snia_pciio_dmatrans_addr(struct pci_dev *pci_dev, /* translate for this device */
-                    device_desc_t dev_desc,     /* device descriptor */
-                    paddr_t paddr,      /* system physical address */
-                    size_t byte_count,  /* length */
-                    unsigned flags)
-{                                       /* defined in dma.h */
-
-    vertex_hdl_t dev = PCIDEV_VERTEX(pci_dev);
-
-    /*
-     * If the device is not a PIC, we always want the PCIIO_BYTE_STREAM to be 
-     * set.  Otherwise, it must not be set.  This applies to SN1 and SN2.
-     */
-    return DEV_FUNC(dev, dmatrans_addr)
-        (dev, dev_desc, paddr, byte_count, (IS_PIC_DEVICE(pci_dev)) ? (flags & ~PCIIO_BYTE_STREAM) : flags | PCIIO_BYTE_STREAM);
-}
-
-pciio_dmamap_t
-snia_pciio_dmamap_alloc(struct pci_dev *pci_dev,  /* set up mappings for this device */
-                   device_desc_t dev_desc,      /* device descriptor */
-                   size_t byte_count_max,       /* max size of a mapping */
-                   unsigned flags)
-{                                       /* defined in dma.h */
-
-    vertex_hdl_t dev = PCIDEV_VERTEX(pci_dev);
-
-    /*
-     * If the device is not a PIC, we always want the PCIIO_BYTE_STREAM to be
-     * set.  Otherwise, it must not be set.  This applies to SN1 and SN2.
-     */
-    return (pciio_dmamap_t) DEV_FUNC(dev, dmamap_alloc)
-        (dev, dev_desc, byte_count_max, (IS_PIC_DEVICE(pci_dev)) ? (flags & ~PCIIO_BYTE_STREAM) : flags | PCIIO_BYTE_STREAM);
-}
-
-void
-snia_pciio_dmamap_free(pciio_dmamap_t pciio_dmamap)
-{
-    DMAMAP_FUNC(pciio_dmamap, dmamap_free)
-        (CAST_DMAMAP(pciio_dmamap));
-}
-
-iopaddr_t
-snia_pciio_dmamap_addr(pciio_dmamap_t pciio_dmamap,  /* use these mapping resources */
-                  paddr_t paddr,        /* map for this address */
-                  size_t byte_count)
-{                                       /* map this many bytes */
-    return DMAMAP_FUNC(pciio_dmamap, dmamap_addr)
-        (CAST_DMAMAP(pciio_dmamap), paddr, byte_count);
-}
-
-void
-snia_pciio_dmamap_done(pciio_dmamap_t pciio_dmamap)
-{
-    DMAMAP_FUNC(pciio_dmamap, dmamap_done)
-        (CAST_DMAMAP(pciio_dmamap));
-}
-
+EXPORT_SYMBOL(snia_pciio_endian_set);

arch/ia64/sn/io/sn2/shub_intr.c

-/* $Id: shub_intr.c,v 1.1 2002/02/28 17:31:25 marcelo Exp $
- *
+/*
  * This file is subject to the terms and conditions of the GNU General Public
  * License.  See the file "COPYING" in the main directory of this archive
  * for more details.
@@ -61,8 +60,7 @@ do_hub_intr_alloc(vertex_hdl_t dev,
 	xwidget_info_t	xwidget_info;
 	ilvl_t		intr_swlevel = 0;
 
-	cpu = intr_heuristic(dev, dev_desc, -1, 0, owner_dev, NULL, &vector);
-
+	cpu = intr_heuristic(dev, -1, &vector);
 	if (cpu == CPU_NONE) {
 		printk("Unable to allocate interrupt for 0x%p\n", (void *)owner_dev);
 		return(0);
@@ -150,10 +148,9 @@ hub_intr_connect(hub_intr_t intr_hdl,
 
 	ASSERT(intr_hdl->i_flags & HUB_INTR_IS_ALLOCED);
 
-	rv = intr_connect_level(cpu, vector, intr_hdl->i_swlevel, NULL);
-	if (rv < 0) {
+	rv = intr_connect_level(cpu, vector);
+	if (rv < 0)
 		return rv;
-	}
 
 	intr_hdl->i_xtalk_info.xi_setfunc = setfunc;
 	intr_hdl->i_xtalk_info.xi_sfarg = setfunc_arg;

arch/ia64/sn/io/sn2/shuberror.c

@@ -145,14 +145,13 @@ hubii_eint_init(cnodeid_t cnode)
     /* Select a possible interrupt target where there is a free interrupt
      * bit and also reserve the interrupt bit for this IO error interrupt
      */
-    intr_cpu = intr_heuristic(hub_v,0,SGI_II_ERROR,0,hub_v,
-			      "HUB IO error interrupt",&bit);
+    intr_cpu = intr_heuristic(hub_v, SGI_II_ERROR, &bit);
     if (intr_cpu == CPU_NONE) {
-	printk("hubii_eint_init: intr_reserve_level failed, cnode %d", cnode);
+	printk("hubii_eint_init: intr_heuristic failed, cnode %d", cnode);
 	return;
     }
 	
-    rv = intr_connect_level(intr_cpu, SGI_II_ERROR, 0, NULL);
+    rv = intr_connect_level(intr_cpu, SGI_II_ERROR);
     request_irq(SGI_II_ERROR, hubii_eint_handler, SA_SHIRQ, "SN_hub_error", (void *)hub_v);
     irq_descp(bit)->status |= SN2_IRQ_PER_HUB;
     ASSERT_ALWAYS(rv >= 0);

arch/ia64/sn/io/sn2/xbow.c

@@ -257,7 +257,7 @@ xbow_attach(vertex_hdl_t conn)
      */
 
     /*
-     * Register a xbow driver with devfs.
+     * Register a xbow driver with hwgraph.
      * file ops.
      */
     vhdl = NULL;

arch/ia64/sn/kernel/Makefile

@@ -11,4 +11,3 @@ EXTRA_CFLAGS := -DLITTLE_ENDIAN
 
 obj-y				+= probe.o setup.o bte.o irq.o mca.o idle.o sn2/
 obj-$(CONFIG_IA64_GENERIC)      += machvec.o
-obj-$(CONFIG_MODULES)           += sn_ksyms.o

arch/ia64/sn/kernel/sn_ksyms.c

-/* 
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Copyright (C) 2000-2003 Silicon Graphics, Inc. All rights reserved.
- */
-
-
-/*
- * Architecture-specific kernel symbols
- */
-
-#include <linux/config.h>
-#include <linux/module.h>
-#include <linux/mm.h>
-#include <asm/machvec.h>
-#include <asm/sn/intr.h>
-#include <asm/sn/sgi.h>
-#include <asm/sn/types.h>
-#include <asm/sn/arch.h>
-#include <asm/sn/bte.h>
-#include <asm/sal.h>
-#include <asm/sn/sn_sal.h>
-
-#ifdef CONFIG_IA64_SGI_SN_DEBUG
-EXPORT_SYMBOL(__pa_debug);
-EXPORT_SYMBOL(__va_debug);
-#endif
-
-EXPORT_SYMBOL(bte_copy);
-EXPORT_SYMBOL(bte_unaligned_copy);
-EXPORT_SYMBOL(ia64_sal);
-EXPORT_SYMBOL(sal_lock);
-EXPORT_SYMBOL(sn_local_partid);
-
-

include/asm-ia64/meminit.h

+#ifndef meminit_h
+#define meminit_h
+
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+
+/*
+ * Entries defined so far:
+ * 	- boot param structure itself
+ * 	- memory map
+ * 	- initrd (optional)
+ * 	- command line string
+ * 	- kernel code & data
+ *
+ * More could be added if necessary
+ */
+#define IA64_MAX_RSVD_REGIONS 5
+
+struct rsvd_region {
+	unsigned long start;	/* virtual address of beginning of element */
+	unsigned long end;	/* virtual address of end of element + 1 */
+};
+
+extern struct rsvd_region rsvd_region[IA64_MAX_RSVD_REGIONS + 1];
+extern int num_rsvd_regions;
+
+extern void find_memory (void);
+extern void reserve_memory (void);
+extern void find_initrd (void);
+extern int filter_rsvd_memory (unsigned long start, unsigned long end, void *arg);
+
+#ifdef CONFIG_DISCONTIGMEM
+extern void call_pernode_memory (unsigned long start, unsigned long end, void *arg);
+#endif
+
+#define IGNORE_PFN0	1	/* XXX fix me: ignore pfn 0 until TLB miss handler is updated... */
+
+#endif /* meminit_h */

include/asm-ia64/numa.h

@@ -11,6 +11,9 @@
 #ifndef _ASM_IA64_NUMA_H
 #define _ASM_IA64_NUMA_H
 
+#include <linux/config.h>
+#include <linux/cpumask.h>
+
 #ifdef CONFIG_NUMA
 
 #ifdef CONFIG_DISCONTIGMEM

include/asm-ia64/sn/hcl_util.h

@@ -10,8 +10,6 @@
 #ifndef _ASM_IA64_SN_HCL_UTIL_H
 #define _ASM_IA64_SN_HCL_UTIL_H
 
-#include <linux/devfs_fs_kernel.h>
-
 extern char * dev_to_name(vertex_hdl_t, char *, uint);
 extern int device_master_set(vertex_hdl_t, vertex_hdl_t);
 extern vertex_hdl_t device_master_get(vertex_hdl_t);

include/asm-ia64/sn/invent.h

@@ -720,28 +720,14 @@ typedef struct invplace_s {
 extern invplace_t invplace_none;
 #define INVPLACE_NONE invplace_none
 
-extern void	    add_to_inventory(int, int, int, int, int);
-extern void	    replace_in_inventory(inventory_t *, int, int, int, int, int);
-extern void         start_scan_inventory(invplace_t *);
-extern inventory_t  *get_next_inventory(invplace_t *);
-extern void         end_scan_inventory(invplace_t *);
-extern inventory_t  *find_inventory(inventory_t *, int, int, int, int, int);
-extern int	    scaninvent(int (*)(inventory_t *, void *), void *);
-extern int	    get_sizeof_inventory(int);
-
-extern void device_inventory_add(	vertex_hdl_t device, 
+static inline void device_inventory_add(vertex_hdl_t device, 
 					int class, 
 					int type, 
 					major_t ctlr, 
 					minor_t unit, 
-					int state);
+					int state)
+{
+}
 
-
-extern inventory_t *device_inventory_get_next(	vertex_hdl_t device,
-						invplace_t *);
-
-extern void device_controller_num_set(	vertex_hdl_t,
-					int);
-extern int device_controller_num_get(	vertex_hdl_t);
 #endif /* __KERNEL__ */
 #endif /* _ASM_IA64_SN_INVENT_H */

include/asm-ia64/sn/ioerror_handling.h

@@ -10,7 +10,6 @@
 
 #include <linux/config.h>
 #include <linux/types.h>
-#include <linux/devfs_fs_kernel.h>
 #include <asm/sn/sgi.h>
 
 #if __KERNEL__

include/asm-ia64/sn/labelcl.h

@@ -40,7 +40,7 @@ typedef struct label_info_s {
 /*
  * Definition of the data structure that provides the link to 
  * the hwgraph fastinfo and the label entries associated with a 
- * particular devfs entry.
+ * particular hwgraph entry.
  */
 typedef struct labelcl_info_s {
 	unsigned long	hwcl_magic;
@@ -87,6 +87,5 @@ extern int labelcl_info_replace_IDX(vertex_hdl_t, int, arbitrary_info_t,
 			arbitrary_info_t *);
 extern int labelcl_info_connectpt_set(vertex_hdl_t, vertex_hdl_t);
 extern int labelcl_info_get_IDX(vertex_hdl_t, int, arbitrary_info_t *);
-extern struct devfs_handle_t device_info_connectpt_get(vertex_hdl_t);
 
 #endif /* _ASM_IA64_SN_LABELCL_H */

include/asm-ia64/sn/mmtimer_private.h

-/*
- * Intel Multimedia Timer device interface
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Copyright (c) 2001-2003 Silicon Graphics, Inc.  All rights reserved.
- *
- * Helper file for the SN implementation of mmtimers
- *
- * 11/01/01 - jbarnes - initial revision
- */
-
-#ifndef _SN_MMTIMER_PRIVATE_H
-
-#define RTC_BITS 55 /* 55 bits for this implementation */
-#define NUM_COMPARATORS 2 /* two comparison registers in SN1 */
-
-/*
- * Check for an interrupt and clear the pending bit if
- * one is waiting.
- */
-#define MMTIMER_INT_PENDING(x) (x ? *(RTC_INT_PENDING_B_ADDR) : *(RTC_INT_PENDING_A_ADDR))
-
-/*
- * Set interrupts on RTC 'x' to 'v' (true or false)
- */
-#define MMTIMER_SET_INT(x,v) (x ? (*(RTC_INT_ENABLED_B_ADDR) = (unsigned long)(v)) : (*(RTC_INT_ENABLED_A_ADDR) = (unsigned long)(v)))
-
-#define MMTIMER_ENABLE_INT(x) MMTIMER_SET_INT(x, 1)
-#define MMTIMER_DISABLE_INT(x) MMTIMER_SET_INT(x, 0)
-
-typedef struct mmtimer {
-	spinlock_t timer_lock;
-	unsigned long periodic;
-	int signo;
-	volatile unsigned long *compare;
-	struct task_struct *process;
-} mmtimer_t;
-
-#endif /* _SN_LINUX_MMTIMER_PRIVATE_H */

include/asm-ia64/sn/pci/pci_bus_cvlink.h

@@ -60,11 +60,6 @@ struct sn_device_sysdata {
 	volatile unsigned int *xbow_buf_sync;
 };
 
-struct sn_dma_maps_s{
-	struct pcibr_dmamap_s dma_map;
-        dma_addr_t      dma_addr;
-};
-
 struct ioports_to_tlbs_s {
 	unsigned long	p:1,
 			rv_1:1,

include/asm-ia64/sn/pci/pcibr_private.h

@@ -139,6 +139,7 @@ struct pcibr_dmamap_s {
     bridge_ate_p            bd_ate_ptr;		/* where to write first ATE */
     bridge_ate_t            bd_ate_proto;	/* prototype ATE (for xioaddr=0) */
     bridge_ate_t            bd_ate_prime;	/* value of 1st ATE written */
+    dma_addr_t		    bd_dma_addr;	/* Linux dma handle */
 };
 
 #define	IBUFSIZE	5		/* size of circular buffer (holds 4) */

include/asm-ia64/sn/sgi.h

@@ -16,7 +16,6 @@
 #include <asm/sn/types.h>
 #include <asm/uaccess.h>		/* for copy_??_user */
 #include <linux/mm.h>
-#include <linux/devfs_fs_kernel.h>
 #include <linux/fs.h>
 #include <asm/sn/hwgfs.h>
 

include/asm-ia64/sn/sn2/sn_private.h

@@ -49,14 +49,10 @@ extern void get_dir_ent(paddr_t paddr, int *state,
 #endif
 
 /* intr.c */
-extern int intr_reserve_level(cpuid_t cpu, int level, int err, vertex_hdl_t owner_dev, char *name);
 extern void intr_unreserve_level(cpuid_t cpu, int level);
-extern int intr_connect_level(cpuid_t cpu, int bit, ilvl_t mask_no, 
-			intr_func_t intr_prefunc);
+extern int intr_connect_level(cpuid_t cpu, int bit);
 extern int intr_disconnect_level(cpuid_t cpu, int bit);
-extern cpuid_t intr_heuristic(vertex_hdl_t dev, device_desc_t dev_desc,
-			      int req_bit,int intr_resflags,vertex_hdl_t owner_dev,
-			      char *intr_name,int *resp_bit);
+extern cpuid_t intr_heuristic(vertex_hdl_t dev, int req_bit, int *resp_bit);
 extern void intr_block_bit(cpuid_t cpu, int bit);
 extern void intr_unblock_bit(cpuid_t cpu, int bit);
 extern void setrtvector(intr_func_t);

include/asm-ia64/sn/uart16550.h

-/*
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Copyright (C) 1992-1997,2000-2003 Silicon Graphics, Inc. All rights reserved.
- */
-
-#ifndef _ASM_IA64_SN_UART16550_H
-#define _ASM_IA64_SN_UART16550_H
-
-
-/*
- * Definitions for 16550  chip
- */
-
-	/* defined as offsets from the data register */
-#define REG_DAT     0   /* receive/transmit data */
-#define REG_ICR     1   /* interrupt control register */
-#define REG_ISR     2   /* interrupt status register */
-#define REG_FCR     2   /* fifo control register */
-#define REG_LCR     3   /* line control register */
-#define REG_MCR     4   /* modem control register */
-#define REG_LSR     5   /* line status register */
-#define REG_MSR     6   /* modem status register */
-#define REG_SCR     7   /* Scratch register      */
-#define REG_DLL     0   /* divisor latch (lsb) */
-#define REG_DLH     1   /* divisor latch (msb) */
-#define REG_EFR		2	/* 16650 enhanced feature register */
-
-/*
- * 16450/16550 Registers Structure.
- */
-
-/* Line Control Register */
-#define		LCR_WLS0	0x01	/*word length select bit 0 */	
-#define		LCR_WLS1	0x02	/*word length select bit 2 */	
-#define		LCR_STB	0x04		/* number of stop bits */
-#define		LCR_PEN	0x08		/* parity enable */
-#define		LCR_EPS	0x10		/* even parity select */
-#define		LCR_SETBREAK 0x40	/* break key */
-#define		LCR_DLAB	0x80	/* divisor latch access bit */
-#define 	LCR_RXLEN   0x03    /* # of data bits per received/xmitted char */
-#define 	LCR_STOP1   0x00
-#define 	LCR_STOP2   0x04
-#define 	LCR_PAREN   0x08
-#define 	LCR_PAREVN  0x10
-#define 	LCR_PARMARK 0x20
-#define 	LCR_SNDBRK  0x40
-#define 	LCR_DLAB    0x80
-
-
-#define		LCR_BITS5	0x00	/* 5 bits per char */
-#define		LCR_BITS6	0x01	/* 6 bits per char */
-#define		LCR_BITS7	0x02	/* 7 bits per char */
-#define		LCR_BITS8	0x03	/* 8 bits per char */
-
-#define		LCR_MASK_BITS_CHAR 		0x03
-#define 	LCR_MASK_STOP_BITS		0x04
-#define		LCR_MASK_PARITY_BITS	0x18
-
-
-/* Line Status Register */
-#define		LSR_RCA	0x01		/* data ready */
-#define		LSR_OVRRUN	0x02	/* overrun error */
-#define		LSR_PARERR	0x04	/* parity error */
-#define		LSR_FRMERR	0x08	/* framing error */
-#define		LSR_BRKDET 	0x10	/* a break has arrived */
-#define		LSR_XHRE	0x20	/* tx hold reg is now empty */
-#define		LSR_XSRE	0x40	/* tx shift reg is now empty */
-#define		LSR_RFBE	0x80	/* rx FIFO Buffer error */
-
-/* Interrupt Status Regisger */
-#define		ISR_MSTATUS	0x00
-#define		ISR_TxRDY	0x02
-#define		ISR_RxRDY	0x04
-#define		ISR_ERROR_INTR	0x08
-#define		ISR_FFTMOUT 0x0c	/* FIFO Timeout */
-#define		ISR_RSTATUS 0x06	/* Receiver Line status */
-
-/* Interrupt Enable Register */
-#define		ICR_RIEN	0x01	/* Received Data Ready */
-#define		ICR_TIEN	0x02	/* Tx Hold Register Empty */
-#define		ICR_SIEN	0x04	/* Receiver Line Status */
-#define		ICR_MIEN	0x08	/* Modem Status */
-
-/* Modem Control Register */
-#define		MCR_DTR		0x01	/* Data Terminal Ready */
-#define		MCR_RTS		0x02	/* Request To Send */
-#define		MCR_OUT1	0x04	/* Aux output - not used */
-#define		MCR_OUT2	0x08	/* turns intr to 386 on/off */	
-#define		MCR_LOOP	0x10	/* loopback for diagnostics */
-#define		MCR_AFE 	0x20	/* Auto flow control enable */
-
-/* Modem Status Register */
-#define		MSR_DCTS	0x01	/* Delta Clear To Send */
-#define		MSR_DDSR	0x02	/* Delta Data Set Ready */
-#define		MSR_DRI		0x04	/* Trail Edge Ring Indicator */
-#define		MSR_DDCD	0x08	/* Delta Data Carrier Detect */
-#define		MSR_CTS		0x10	/* Clear To Send */
-#define		MSR_DSR		0x20	/* Data Set Ready */
-#define		MSR_RI		0x40	/* Ring Indicator */
-#define		MSR_DCD		0x80	/* Data Carrier Detect */
-
-#define 	DELTAS(x) 	((x)&(MSR_DCTS|MSR_DDSR|MSR_DRI|MSR_DDCD))
-#define 	STATES(x) 	((x)(MSR_CTS|MSR_DSR|MSR_RI|MSR_DCD))
-
-
-#define		FCR_FIFOEN	0x01	/* enable receive/transmit fifo */
-#define		FCR_RxFIFO	0x02	/* enable receive fifo */
-#define		FCR_TxFIFO	0x04	/* enable transmit fifo */
-#define 	FCR_MODE1	0x08	/* change to mode 1 */
-#define		RxLVL0		0x00	/* Rx fifo level at 1	*/
-#define		RxLVL1		0x40	/* Rx fifo level at 4 */
-#define		RxLVL2		0x80	/* Rx fifo level at 8 */
-#define		RxLVL3		0xc0	/* Rx fifo level at 14 */
-
-#define 	FIFOEN		(FCR_FIFOEN | FCR_RxFIFO | FCR_TxFIFO | RxLVL3 | FCR_MODE1) 
-
-#define		FCT_TxMASK	0x30	/* mask for Tx trigger */
-#define		FCT_RxMASK	0xc0	/* mask for Rx trigger */
-
-/* enhanced festures register */
-#define		EFR_SFLOW	0x0f	/* various S/w Flow Controls */
-#define 	EFR_EIC		0x10	/* Enhanced Interrupt Control bit */
-#define 	EFR_SCD		0x20	/* Special Character Detect */
-#define 	EFR_RTS		0x40	/* RTS flow control */
-#define 	EFR_CTS		0x80	/* CTS flow control */
-
-/* Rx Tx software flow controls in 16650 enhanced mode */
-#define		SFLOW_Tx0	0x00	/* no Xmit flow control */
-#define		SFLOW_Tx1	0x08	/* Transmit Xon1, Xoff1 */
-#define		SFLOW_Tx2	0x04	/* Transmit Xon2, Xoff2 */
-#define		SFLOW_Tx3	0x0c	/* Transmit Xon1,Xon2, Xoff1,Xoff2 */
-#define		SFLOW_Rx0	0x00	/* no Rcv flow control */
-#define		SFLOW_Rx1	0x02	/* Receiver compares Xon1, Xoff1 */
-#define		SFLOW_Rx2	0x01	/* Receiver compares Xon2, Xoff2 */
-
-#define	ASSERT_DTR(x)		(x |= MCR_DTR)
-#define	ASSERT_RTS(x)		(x |= MCR_RTS)
-#define DU_RTS_ASSERTED(x)  (((x) & MCR_RTS) != 0)
-#define DU_RTS_ASSERT(x)    ((x) |= MCR_RTS)
-#define DU_RTS_DEASSERT(x)  ((x) &= ~MCR_RTS)
-
-
-/*
- * ioctl(fd, I_STR, arg)
- * use the SIOC_RS422 and SIOC_EXTCLK combination to support MIDI
- */
-#define SIOC        ('z' << 8)  /* z for z85130 */
-#define SIOC_EXTCLK (SIOC | 1)  /* select/de-select external clock */
-#define SIOC_RS422  (SIOC | 2)  /* select/de-select RS422 protocol */
-#define SIOC_ITIMER (SIOC | 3)  /* upstream timer adjustment */
-#define SIOC_LOOPBACK   (SIOC | 4)  /* diagnostic loopback test mode */
-
-
-/* channel control register */
-#define	DMA_INT_MASK		0xe0	/* ring intr mask */
-#define DMA_INT_TH25		0x20	/* 25% threshold */
-#define DMA_INT_TH50		0x40	/* 50% threshold */
-#define DMA_INT_TH75		0x60	/* 75% threshold */
-#define DMA_INT_EMPTY		0x80	/* ring buffer empty */
-#define DMA_INT_NEMPTY		0xa0	/* ring buffer not empty */
-#define DMA_INT_FULL		0xc0	/* ring buffer full */
-#define DMA_INT_NFULL		0xe0	/* ring buffer not full */
-
-#define DMA_CHANNEL_RESET	0x400	/* reset dma channel */
-#define DMA_ENABLE			0x200	/* enable DMA */
-
-/* peripheral controller intr status bits applicable to serial ports */
-#define ISA_SERIAL0_MASK 		0x03f00000	/* mask for port #1 intrs */
-#define ISA_SERIAL0_DIR			0x00100000	/* device intr request */
-#define ISA_SERIAL0_Tx_THIR		0x00200000	/* Transmit DMA threshold */
-#define ISA_SERIAL0_Tx_PREQ		0x00400000	/* Transmit DMA pair req */
-#define ISA_SERIAL0_Tx_MEMERR	0x00800000	/* Transmit DMA memory err */
-#define ISA_SERIAL0_Rx_THIR		0x01000000	/* Receive DMA threshold  */
-#define ISA_SERIAL0_Rx_OVERRUN	0x02000000	/* Receive DMA over-run  */
-
-#define ISA_SERIAL1_MASK 		0xfc000000	/* mask for port #1 intrs */
-#define ISA_SERIAL1_DIR			0x04000000	/* device intr request */
-#define ISA_SERIAL1_Tx_THIR		0x08000000	/* Transmit DMA threshold */
-#define ISA_SERIAL1_Tx_PREQ		0x10000000	/* Transmit DMA pair req */
-#define ISA_SERIAL1_Tx_MEMERR	0x20000000	/* Transmit DMA memory err */
-#define ISA_SERIAL1_Rx_THIR		0x40000000	/* Receive DMA threshold  */
-#define ISA_SERIAL1_Rx_OVERRUN	0x80000000	/* Receive DMA over-run  */
-
-#define MAX_RING_BLOCKS		128			/* 4096/32 */
-#define MAX_RING_SIZE		4096
-
-/* DMA Input Control Byte */
-#define	DMA_IC_OVRRUN	0x01	/* overrun error */
-#define	DMA_IC_PARERR	0x02	/* parity error */
-#define	DMA_IC_FRMERR	0x04	/* framing error */
-#define	DMA_IC_BRKDET 	0x08	/* a break has arrived */
-#define DMA_IC_VALID	0x80	/* pair is valid */
-
-/* DMA Output Control Byte */
-#define DMA_OC_TxINTR	0x20	/* set Tx intr after processing byte */
-#define DMA_OC_INVALID	0x00	/* invalid pair */
-#define DMA_OC_WTHR		0x40	/* Write byte to THR */
-#define DMA_OC_WMCR		0x80	/* Write byte to MCR */
-#define DMA_OC_DELAY	0xc0	/* time delay before next xmit */
-
-/* ring id's */
-#define RID_SERIAL0_TX	0x4		/* serial port 0, transmit ring buffer */
-#define RID_SERIAL0_RX	0x5		/* serial port 0, receive ring buffer */
-#define RID_SERIAL1_TX	0x6		/* serial port 1, transmit ring buffer */
-#define RID_SERIAL1_RX	0x7		/* serial port 1, receive ring buffer */
-
-#define CLOCK_XIN			22
-#define PRESCALER_DIVISOR	3
-#define CLOCK_ACE			7333333
-
-/*
- * increment the ring offset. One way to do this would be to add b'100000.
- * this would let the offset value roll over automatically when it reaches
- * its maximum value (127). However when we use the offset, we must use
- * the appropriate bits only by masking with 0xfe0.
- * The other option is to shift the offset right by 5 bits and look at its
- * value. Then increment if required and shift back
- * note: 127 * 2^5 = 4064
- */
-#define INC_RING_POINTER(x) \
-	( ((x & 0xffe0) < 4064) ? (x += 32) : 0 )
-
-#endif /* _ASM_IA64_SN_UART16550_H */

include/asm-ia64/sn/xtalk/xbow_info.h

@@ -10,7 +10,6 @@
 #define _ASM_SN_XTALK_XBOW_INFO_H
 
 #include <linux/types.h>
-#include <linux/devfs_fs_kernel.h>
 
 #define XBOW_PERF_MODES	       0x03
 #define XBOW_PERF_COUNTERS     0x02

include/asm-ia64/sn/xtalk/xswitch.h

@@ -17,7 +17,6 @@
 
 #ifndef __ASSEMBLY__
 
-#include <linux/devfs_fs_kernel.h>
 #include <asm/sn/xtalk/xtalk.h>
 
 typedef struct xswitch_info_s *xswitch_info_t;

include/asm-ia64/sn/xtalk/xtalk_private.h

@@ -10,7 +10,6 @@
 #define _ASM_SN_XTALK_XTALK_PRIVATE_H
 
 #include <asm/sn/ioerror.h>        /* for error function and arg types */
-#include <linux/devfs_fs_kernel.h>
 #include <asm/sn/xtalk/xwidget.h>
 #include <asm/sn/xtalk/xtalk.h>
 

include/asm-ia64/uaccess.h

@@ -30,6 +30,7 @@
  *	David Mosberger-Tang <davidm@hpl.hp.com>
  */
 
+#include <linux/compiler.h>
 #include <linux/errno.h>
 #include <linux/sched.h>
 
@@ -57,9 +58,10 @@
  * address TASK_SIZE is never valid.  We also need to make sure that the address doesn't
  * point inside the virtually mapped linear page table.
  */
-#define __access_ok(addr,size,segment)	(((unsigned long) (addr)) <= (segment).seg	\
-	 && ((segment).seg == KERNEL_DS.seg						\
-	     || REGION_OFFSET((unsigned long) (addr)) < RGN_MAP_LIMIT))
+#define __access_ok(addr,size,segment)						\
+	likely(((unsigned long) (addr)) <= (segment).seg			\
+	       && ((segment).seg == KERNEL_DS.seg				\
+		   || REGION_OFFSET((unsigned long) (addr)) < RGN_MAP_LIMIT))
 #define access_ok(type,addr,size)	__access_ok((addr),(size),get_fs())
 
 static inline int