diff options
Diffstat (limited to 'ANDROID_3.4.5/arch/ia64/sn/kernel/sn2')
| -rw-r--r-- | ANDROID_3.4.5/arch/ia64/sn/kernel/sn2/Makefile | 15 | ||||
| -rw-r--r-- | ANDROID_3.4.5/arch/ia64/sn/kernel/sn2/cache.c | 41 | ||||
| -rw-r--r-- | ANDROID_3.4.5/arch/ia64/sn/kernel/sn2/io.c | 101 | ||||
| -rw-r--r-- | ANDROID_3.4.5/arch/ia64/sn/kernel/sn2/prominfo_proc.c | 273 | ||||
| -rw-r--r-- | ANDROID_3.4.5/arch/ia64/sn/kernel/sn2/ptc_deadlock.S | 92 | ||||
| -rw-r--r-- | ANDROID_3.4.5/arch/ia64/sn/kernel/sn2/sn2_smp.c | 572 | ||||
| -rw-r--r-- | ANDROID_3.4.5/arch/ia64/sn/kernel/sn2/sn_hwperf.c | 1003 | ||||
| -rw-r--r-- | ANDROID_3.4.5/arch/ia64/sn/kernel/sn2/sn_proc_fs.c | 117 | ||||
| -rw-r--r-- | ANDROID_3.4.5/arch/ia64/sn/kernel/sn2/timer.c | 60 | ||||
| -rw-r--r-- | ANDROID_3.4.5/arch/ia64/sn/kernel/sn2/timer_interrupt.c | 60 |
10 files changed, 0 insertions, 2334 deletions
diff --git a/ANDROID_3.4.5/arch/ia64/sn/kernel/sn2/Makefile b/ANDROID_3.4.5/arch/ia64/sn/kernel/sn2/Makefile deleted file mode 100644 index 3d09108d..00000000 --- a/ANDROID_3.4.5/arch/ia64/sn/kernel/sn2/Makefile +++ /dev/null @@ -1,15 +0,0 @@ -# arch/ia64/sn/kernel/sn2/Makefile -# -# 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) 1999,2001-2002 Silicon Graphics, Inc. All rights reserved. -# -# sn2 specific kernel files -# - -ccflags-y := -Iarch/ia64/sn/include - -obj-y += cache.o io.o ptc_deadlock.o sn2_smp.o sn_proc_fs.o \ - prominfo_proc.o timer.o timer_interrupt.o sn_hwperf.o diff --git a/ANDROID_3.4.5/arch/ia64/sn/kernel/sn2/cache.c b/ANDROID_3.4.5/arch/ia64/sn/kernel/sn2/cache.c deleted file mode 100644 index 2862cb33..00000000 --- a/ANDROID_3.4.5/arch/ia64/sn/kernel/sn2/cache.c +++ /dev/null @@ -1,41 +0,0 @@ -/* - * 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, 2006 Silicon Graphics, Inc. All rights reserved. - * - */ -#include <linux/module.h> -#include <asm/pgalloc.h> -#include <asm/sn/arch.h> - -/** - * sn_flush_all_caches - flush a range of address from all caches (incl. L4) - * @flush_addr: identity mapped region 7 address to start flushing - * @bytes: number of bytes to flush - * - * Flush a range of addresses from all caches including L4. - * All addresses fully or partially contained within - * @flush_addr to @flush_addr + @bytes are flushed - * from all caches. - */ -void -sn_flush_all_caches(long flush_addr, long bytes) -{ - unsigned long addr = flush_addr; - - /* SHub1 requires a cached address */ - if (is_shub1() && (addr & RGN_BITS) == RGN_BASE(RGN_UNCACHED)) - addr = (addr - RGN_BASE(RGN_UNCACHED)) + RGN_BASE(RGN_KERNEL); - - flush_icache_range(addr, addr + bytes); - /* - * The last call may have returned before the caches - * were actually flushed, so we call it again to make - * sure. - */ - flush_icache_range(addr, addr + bytes); - mb(); -} -EXPORT_SYMBOL(sn_flush_all_caches); diff --git a/ANDROID_3.4.5/arch/ia64/sn/kernel/sn2/io.c b/ANDROID_3.4.5/arch/ia64/sn/kernel/sn2/io.c deleted file mode 100644 index a12c0586..00000000 --- a/ANDROID_3.4.5/arch/ia64/sn/kernel/sn2/io.c +++ /dev/null @@ -1,101 +0,0 @@ -/* - * 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) 2003 Silicon Graphics, Inc. All rights reserved. - * - * The generic kernel requires function pointers to these routines, so - * we wrap the inlines from asm/ia64/sn/sn2/io.h here. - */ - -#include <asm/sn/io.h> - -#ifdef CONFIG_IA64_GENERIC - -#undef __sn_inb -#undef __sn_inw -#undef __sn_inl -#undef __sn_outb -#undef __sn_outw -#undef __sn_outl -#undef __sn_readb -#undef __sn_readw -#undef __sn_readl -#undef __sn_readq -#undef __sn_readb_relaxed -#undef __sn_readw_relaxed -#undef __sn_readl_relaxed -#undef __sn_readq_relaxed - -unsigned int __sn_inb(unsigned long port) -{ - return ___sn_inb(port); -} - -unsigned int __sn_inw(unsigned long port) -{ - return ___sn_inw(port); -} - -unsigned int __sn_inl(unsigned long port) -{ - return ___sn_inl(port); -} - -void __sn_outb(unsigned char val, unsigned long port) -{ - ___sn_outb(val, port); -} - -void __sn_outw(unsigned short val, unsigned long port) -{ - ___sn_outw(val, port); -} - -void __sn_outl(unsigned int val, unsigned long port) -{ - ___sn_outl(val, port); -} - -unsigned char __sn_readb(void __iomem *addr) -{ - return ___sn_readb(addr); -} - -unsigned short __sn_readw(void __iomem *addr) -{ - return ___sn_readw(addr); -} - -unsigned int __sn_readl(void __iomem *addr) -{ - return ___sn_readl(addr); -} - -unsigned long __sn_readq(void __iomem *addr) -{ - return ___sn_readq(addr); -} - -unsigned char __sn_readb_relaxed(void __iomem *addr) -{ - return ___sn_readb_relaxed(addr); -} - -unsigned short __sn_readw_relaxed(void __iomem *addr) -{ - return ___sn_readw_relaxed(addr); -} - -unsigned int __sn_readl_relaxed(void __iomem *addr) -{ - return ___sn_readl_relaxed(addr); -} - -unsigned long __sn_readq_relaxed(void __iomem *addr) -{ - return ___sn_readq_relaxed(addr); -} - -#endif diff --git a/ANDROID_3.4.5/arch/ia64/sn/kernel/sn2/prominfo_proc.c b/ANDROID_3.4.5/arch/ia64/sn/kernel/sn2/prominfo_proc.c deleted file mode 100644 index 20b88cb1..00000000 --- a/ANDROID_3.4.5/arch/ia64/sn/kernel/sn2/prominfo_proc.c +++ /dev/null @@ -1,273 +0,0 @@ -/* - * 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) 1999,2001-2004, 2006 Silicon Graphics, Inc. All Rights Reserved. - * - * Module to export the system's Firmware Interface Tables, including - * PROM revision numbers and banners, in /proc - */ -#include <linux/module.h> -#include <linux/slab.h> -#include <linux/proc_fs.h> -#include <linux/nodemask.h> -#include <asm/io.h> -#include <asm/sn/sn_sal.h> -#include <asm/sn/sn_cpuid.h> -#include <asm/sn/addrs.h> - -MODULE_DESCRIPTION("PROM version reporting for /proc"); -MODULE_AUTHOR("Chad Talbott"); -MODULE_LICENSE("GPL"); - -/* Standard Intel FIT entry types */ -#define FIT_ENTRY_FIT_HEADER 0x00 /* FIT header entry */ -#define FIT_ENTRY_PAL_B 0x01 /* PAL_B entry */ -/* Entries 0x02 through 0x0D reserved by Intel */ -#define FIT_ENTRY_PAL_A_PROC 0x0E /* Processor-specific PAL_A entry */ -#define FIT_ENTRY_PAL_A 0x0F /* PAL_A entry, same as... */ -#define FIT_ENTRY_PAL_A_GEN 0x0F /* ...Generic PAL_A entry */ -#define FIT_ENTRY_UNUSED 0x7F /* Unused (reserved by Intel?) */ -/* OEM-defined entries range from 0x10 to 0x7E. */ -#define FIT_ENTRY_SAL_A 0x10 /* SAL_A entry */ -#define FIT_ENTRY_SAL_B 0x11 /* SAL_B entry */ -#define FIT_ENTRY_SALRUNTIME 0x12 /* SAL runtime entry */ -#define FIT_ENTRY_EFI 0x1F /* EFI entry */ -#define FIT_ENTRY_FPSWA 0x20 /* embedded fpswa entry */ -#define FIT_ENTRY_VMLINUX 0x21 /* embedded vmlinux entry */ - -#define FIT_MAJOR_SHIFT (32 + 8) -#define FIT_MAJOR_MASK ((1 << 8) - 1) -#define FIT_MINOR_SHIFT 32 -#define FIT_MINOR_MASK ((1 << 8) - 1) - -#define FIT_MAJOR(q) \ - ((unsigned) ((q) >> FIT_MAJOR_SHIFT) & FIT_MAJOR_MASK) -#define FIT_MINOR(q) \ - ((unsigned) ((q) >> FIT_MINOR_SHIFT) & FIT_MINOR_MASK) - -#define FIT_TYPE_SHIFT (32 + 16) -#define FIT_TYPE_MASK ((1 << 7) - 1) - -#define FIT_TYPE(q) \ - ((unsigned) ((q) >> FIT_TYPE_SHIFT) & FIT_TYPE_MASK) - -struct fit_type_map_t { - unsigned char type; - const char *name; -}; - -static const struct fit_type_map_t fit_entry_types[] = { - {FIT_ENTRY_FIT_HEADER, "FIT Header"}, - {FIT_ENTRY_PAL_A_GEN, "Generic PAL_A"}, - {FIT_ENTRY_PAL_A_PROC, "Processor-specific PAL_A"}, - {FIT_ENTRY_PAL_A, "PAL_A"}, - {FIT_ENTRY_PAL_B, "PAL_B"}, - {FIT_ENTRY_SAL_A, "SAL_A"}, - {FIT_ENTRY_SAL_B, "SAL_B"}, - {FIT_ENTRY_SALRUNTIME, "SAL runtime"}, - {FIT_ENTRY_EFI, "EFI"}, - {FIT_ENTRY_VMLINUX, "Embedded Linux"}, - {FIT_ENTRY_FPSWA, "Embedded FPSWA"}, - {FIT_ENTRY_UNUSED, "Unused"}, - {0xff, "Error"}, -}; - -static const char *fit_type_name(unsigned char type) -{ - struct fit_type_map_t const *mapp; - - for (mapp = fit_entry_types; mapp->type != 0xff; mapp++) - if (type == mapp->type) - return mapp->name; - - if ((type > FIT_ENTRY_PAL_A) && (type < FIT_ENTRY_UNUSED)) - return "OEM type"; - if ((type > FIT_ENTRY_PAL_B) && (type < FIT_ENTRY_PAL_A)) - return "Reserved"; - - return "Unknown type"; -} - -static int -get_fit_entry(unsigned long nasid, int index, unsigned long *fentry, - char *banner, int banlen) -{ - return ia64_sn_get_fit_compt(nasid, index, fentry, banner, banlen); -} - - -/* - * These two routines display the FIT table for each node. - */ -static int dump_fit_entry(char *page, unsigned long *fentry) -{ - unsigned type; - - type = FIT_TYPE(fentry[1]); - return sprintf(page, "%02x %-25s %x.%02x %016lx %u\n", - type, - fit_type_name(type), - FIT_MAJOR(fentry[1]), FIT_MINOR(fentry[1]), - fentry[0], - /* mult by sixteen to get size in bytes */ - (unsigned)(fentry[1] & 0xffffff) * 16); -} - - -/* - * We assume that the fit table will be small enough that we can print - * the whole thing into one page. (This is true for our default 16kB - * pages -- each entry is about 60 chars wide when printed.) I read - * somewhere that the maximum size of the FIT is 128 entries, so we're - * OK except for 4kB pages (and no one is going to do that on SN - * anyway). - */ -static int -dump_fit(char *page, unsigned long nasid) -{ - unsigned long fentry[2]; - int index; - char *p; - - p = page; - for (index=0;;index++) { - BUG_ON(index * 60 > PAGE_SIZE); - if (get_fit_entry(nasid, index, fentry, NULL, 0)) - break; - p += dump_fit_entry(p, fentry); - } - - return p - page; -} - -static int -dump_version(char *page, unsigned long nasid) -{ - unsigned long fentry[2]; - char banner[128]; - int index; - int len; - - for (index = 0; ; index++) { - if (get_fit_entry(nasid, index, fentry, banner, - sizeof(banner))) - return 0; - if (FIT_TYPE(fentry[1]) == FIT_ENTRY_SAL_A) - break; - } - - len = sprintf(page, "%x.%02x\n", FIT_MAJOR(fentry[1]), - FIT_MINOR(fentry[1])); - page += len; - - if (banner[0]) - len += snprintf(page, PAGE_SIZE-len, "%s\n", banner); - - return len; -} - -/* same as in proc_misc.c */ -static int -proc_calc_metrics(char *page, char **start, off_t off, int count, int *eof, - int len) -{ - if (len <= off + count) - *eof = 1; - *start = page + off; - len -= off; - if (len > count) - len = count; - if (len < 0) - len = 0; - return len; -} - -static int -read_version_entry(char *page, char **start, off_t off, int count, int *eof, - void *data) -{ - int len; - - /* data holds the NASID of the node */ - len = dump_version(page, (unsigned long)data); - len = proc_calc_metrics(page, start, off, count, eof, len); - return len; -} - -static int -read_fit_entry(char *page, char **start, off_t off, int count, int *eof, - void *data) -{ - int len; - - /* data holds the NASID of the node */ - len = dump_fit(page, (unsigned long)data); - len = proc_calc_metrics(page, start, off, count, eof, len); - - return len; -} - -/* module entry points */ -int __init prominfo_init(void); -void __exit prominfo_exit(void); - -module_init(prominfo_init); -module_exit(prominfo_exit); - -static struct proc_dir_entry **proc_entries; -static struct proc_dir_entry *sgi_prominfo_entry; - -#define NODE_NAME_LEN 11 - -int __init prominfo_init(void) -{ - struct proc_dir_entry **entp; - cnodeid_t cnodeid; - unsigned long nasid; - int size; - char name[NODE_NAME_LEN]; - - if (!ia64_platform_is("sn2")) - return 0; - - size = num_online_nodes() * sizeof(struct proc_dir_entry *); - proc_entries = kzalloc(size, GFP_KERNEL); - if (!proc_entries) - return -ENOMEM; - - sgi_prominfo_entry = proc_mkdir("sgi_prominfo", NULL); - - entp = proc_entries; - for_each_online_node(cnodeid) { - sprintf(name, "node%d", cnodeid); - *entp = proc_mkdir(name, sgi_prominfo_entry); - nasid = cnodeid_to_nasid(cnodeid); - create_proc_read_entry("fit", 0, *entp, read_fit_entry, - (void *)nasid); - create_proc_read_entry("version", 0, *entp, - read_version_entry, (void *)nasid); - entp++; - } - - return 0; -} - -void __exit prominfo_exit(void) -{ - struct proc_dir_entry **entp; - unsigned int cnodeid; - char name[NODE_NAME_LEN]; - - entp = proc_entries; - for_each_online_node(cnodeid) { - remove_proc_entry("fit", *entp); - remove_proc_entry("version", *entp); - sprintf(name, "node%d", cnodeid); - remove_proc_entry(name, sgi_prominfo_entry); - entp++; - } - remove_proc_entry("sgi_prominfo", NULL); - kfree(proc_entries); -} diff --git a/ANDROID_3.4.5/arch/ia64/sn/kernel/sn2/ptc_deadlock.S b/ANDROID_3.4.5/arch/ia64/sn/kernel/sn2/ptc_deadlock.S deleted file mode 100644 index bebbcc4f..00000000 --- a/ANDROID_3.4.5/arch/ia64/sn/kernel/sn2/ptc_deadlock.S +++ /dev/null @@ -1,92 +0,0 @@ -/* - * 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) 2000-2005 Silicon Graphics, Inc. All rights reserved. - */ - -#include <asm/types.h> -#include <asm/sn/shub_mmr.h> - -#define DEADLOCKBIT SH_PIO_WRITE_STATUS_WRITE_DEADLOCK_SHFT -#define WRITECOUNTMASK SH_PIO_WRITE_STATUS_PENDING_WRITE_COUNT_MASK -#define ALIAS_OFFSET 8 - - - .global sn2_ptc_deadlock_recovery_core - .proc sn2_ptc_deadlock_recovery_core - -sn2_ptc_deadlock_recovery_core: - .regstk 6,0,0,0 - - ptc0 = in0 - data0 = in1 - ptc1 = in2 - data1 = in3 - piowc = in4 - zeroval = in5 - piowcphy = r30 - psrsave = r2 - scr1 = r16 - scr2 = r17 - mask = r18 - - - extr.u piowcphy=piowc,0,61;; // Convert piowc to uncached physical address - dep piowcphy=-1,piowcphy,63,1 - movl mask=WRITECOUNTMASK - mov r8=r0 - -1: - cmp.ne p8,p9=r0,ptc1 // Test for shub type (ptc1 non-null on shub1) - // p8 = 1 if shub1, p9 = 1 if shub2 - - add scr2=ALIAS_OFFSET,piowc // Address of WRITE_STATUS alias register - mov scr1=7;; // Clear DEADLOCK, WRITE_ERROR, MULTI_WRITE_ERROR -(p8) st8.rel [scr2]=scr1;; -(p9) ld8.acq scr1=[scr2];; - -5: ld8.acq scr1=[piowc];; // Wait for PIOs to complete. - hint @pause - and scr2=scr1,mask;; // mask of writecount bits - cmp.ne p6,p0=zeroval,scr2 -(p6) br.cond.sptk 5b - - - - ////////////// BEGIN PHYSICAL MODE //////////////////// - mov psrsave=psr // Disable IC (no PMIs) - rsm psr.i | psr.dt | psr.ic;; - srlz.i;; - - st8.rel [ptc0]=data0 // Write PTC0 & wait for completion. - -5: ld8.acq scr1=[piowcphy];; // Wait for PIOs to complete. - hint @pause - and scr2=scr1,mask;; // mask of writecount bits - cmp.ne p6,p0=zeroval,scr2 -(p6) br.cond.sptk 5b;; - - tbit.nz p8,p7=scr1,DEADLOCKBIT;;// Test for DEADLOCK -(p7) cmp.ne p7,p0=r0,ptc1;; // Test for non-null ptc1 - -(p7) st8.rel [ptc1]=data1;; // Now write PTC1. - -5: ld8.acq scr1=[piowcphy];; // Wait for PIOs to complete. - hint @pause - and scr2=scr1,mask;; // mask of writecount bits - cmp.ne p6,p0=zeroval,scr2 -(p6) br.cond.sptk 5b - - tbit.nz p8,p0=scr1,DEADLOCKBIT;;// Test for DEADLOCK - - mov psr.l=psrsave;; // Reenable IC - srlz.i;; - ////////////// END PHYSICAL MODE //////////////////// - -(p8) add r8=1,r8 -(p8) br.cond.spnt 1b;; // Repeat if DEADLOCK occurred. - - br.ret.sptk rp - .endp sn2_ptc_deadlock_recovery_core diff --git a/ANDROID_3.4.5/arch/ia64/sn/kernel/sn2/sn2_smp.c b/ANDROID_3.4.5/arch/ia64/sn/kernel/sn2/sn2_smp.c deleted file mode 100644 index 68c84541..00000000 --- a/ANDROID_3.4.5/arch/ia64/sn/kernel/sn2/sn2_smp.c +++ /dev/null @@ -1,572 +0,0 @@ -/* - * SN2 Platform specific SMP Support - * - * 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) 2000-2006 Silicon Graphics, Inc. All rights reserved. - */ - -#include <linux/init.h> -#include <linux/kernel.h> -#include <linux/spinlock.h> -#include <linux/threads.h> -#include <linux/sched.h> -#include <linux/smp.h> -#include <linux/interrupt.h> -#include <linux/irq.h> -#include <linux/mmzone.h> -#include <linux/module.h> -#include <linux/bitops.h> -#include <linux/nodemask.h> -#include <linux/proc_fs.h> -#include <linux/seq_file.h> - -#include <asm/processor.h> -#include <asm/irq.h> -#include <asm/sal.h> -#include <asm/delay.h> -#include <asm/io.h> -#include <asm/smp.h> -#include <asm/tlb.h> -#include <asm/numa.h> -#include <asm/hw_irq.h> -#include <asm/current.h> -#include <asm/sn/sn_cpuid.h> -#include <asm/sn/sn_sal.h> -#include <asm/sn/addrs.h> -#include <asm/sn/shub_mmr.h> -#include <asm/sn/nodepda.h> -#include <asm/sn/rw_mmr.h> -#include <asm/sn/sn_feature_sets.h> - -DEFINE_PER_CPU(struct ptc_stats, ptcstats); -DECLARE_PER_CPU(struct ptc_stats, ptcstats); - -static __cacheline_aligned DEFINE_SPINLOCK(sn2_global_ptc_lock); - -/* 0 = old algorithm (no IPI flushes), 1 = ipi deadlock flush, 2 = ipi instead of SHUB ptc, >2 = always ipi */ -static int sn2_flush_opt = 0; - -extern unsigned long -sn2_ptc_deadlock_recovery_core(volatile unsigned long *, unsigned long, - volatile unsigned long *, unsigned long, - volatile unsigned long *, unsigned long); -void -sn2_ptc_deadlock_recovery(short *, short, short, int, - volatile unsigned long *, unsigned long, - volatile unsigned long *, unsigned long); - -/* - * Note: some is the following is captured here to make degugging easier - * (the macros make more sense if you see the debug patch - not posted) - */ -#define sn2_ptctest 0 -#define local_node_uses_ptc_ga(sh1) ((sh1) ? 1 : 0) -#define max_active_pio(sh1) ((sh1) ? 32 : 7) -#define reset_max_active_on_deadlock() 1 -#define PTC_LOCK(sh1) ((sh1) ? &sn2_global_ptc_lock : &sn_nodepda->ptc_lock) - -struct ptc_stats { - unsigned long ptc_l; - unsigned long change_rid; - unsigned long shub_ptc_flushes; - unsigned long nodes_flushed; - unsigned long deadlocks; - unsigned long deadlocks2; - unsigned long lock_itc_clocks; - unsigned long shub_itc_clocks; - unsigned long shub_itc_clocks_max; - unsigned long shub_ptc_flushes_not_my_mm; - unsigned long shub_ipi_flushes; - unsigned long shub_ipi_flushes_itc_clocks; -}; - -#define sn2_ptctest 0 - -static inline unsigned long wait_piowc(void) -{ - volatile unsigned long *piows; - unsigned long zeroval, ws; - - piows = pda->pio_write_status_addr; - zeroval = pda->pio_write_status_val; - do { - cpu_relax(); - } while (((ws = *piows) & SH_PIO_WRITE_STATUS_PENDING_WRITE_COUNT_MASK) != zeroval); - return (ws & SH_PIO_WRITE_STATUS_WRITE_DEADLOCK_MASK) != 0; -} - -/** - * sn_migrate - SN-specific task migration actions - * @task: Task being migrated to new CPU - * - * SN2 PIO writes from separate CPUs are not guaranteed to arrive in order. - * Context switching user threads which have memory-mapped MMIO may cause - * PIOs to issue from separate CPUs, thus the PIO writes must be drained - * from the previous CPU's Shub before execution resumes on the new CPU. - */ -void sn_migrate(struct task_struct *task) -{ - pda_t *last_pda = pdacpu(task_thread_info(task)->last_cpu); - volatile unsigned long *adr = last_pda->pio_write_status_addr; - unsigned long val = last_pda->pio_write_status_val; - - /* Drain PIO writes from old CPU's Shub */ - while (unlikely((*adr & SH_PIO_WRITE_STATUS_PENDING_WRITE_COUNT_MASK) - != val)) - cpu_relax(); -} - -void sn_tlb_migrate_finish(struct mm_struct *mm) -{ - /* flush_tlb_mm is inefficient if more than 1 users of mm */ - if (mm == current->mm && mm && atomic_read(&mm->mm_users) == 1) - flush_tlb_mm(mm); -} - -static void -sn2_ipi_flush_all_tlb(struct mm_struct *mm) -{ - unsigned long itc; - - itc = ia64_get_itc(); - smp_flush_tlb_cpumask(*mm_cpumask(mm)); - itc = ia64_get_itc() - itc; - __get_cpu_var(ptcstats).shub_ipi_flushes_itc_clocks += itc; - __get_cpu_var(ptcstats).shub_ipi_flushes++; -} - -/** - * sn2_global_tlb_purge - globally purge translation cache of virtual address range - * @mm: mm_struct containing virtual address range - * @start: start of virtual address range - * @end: end of virtual address range - * @nbits: specifies number of bytes to purge per instruction (num = 1<<(nbits & 0xfc)) - * - * Purges the translation caches of all processors of the given virtual address - * range. - * - * Note: - * - cpu_vm_mask is a bit mask that indicates which cpus have loaded the context. - * - cpu_vm_mask is converted into a nodemask of the nodes containing the - * cpus in cpu_vm_mask. - * - if only one bit is set in cpu_vm_mask & it is the current cpu & the - * process is purging its own virtual address range, then only the - * local TLB needs to be flushed. This flushing can be done using - * ptc.l. This is the common case & avoids the global spinlock. - * - if multiple cpus have loaded the context, then flushing has to be - * done with ptc.g/MMRs under protection of the global ptc_lock. - */ - -void -sn2_global_tlb_purge(struct mm_struct *mm, unsigned long start, - unsigned long end, unsigned long nbits) -{ - int i, ibegin, shub1, cnode, mynasid, cpu, lcpu = 0, nasid; - int mymm = (mm == current->active_mm && mm == current->mm); - int use_cpu_ptcga; - volatile unsigned long *ptc0, *ptc1; - unsigned long itc, itc2, flags, data0 = 0, data1 = 0, rr_value, old_rr = 0; - short nasids[MAX_NUMNODES], nix; - nodemask_t nodes_flushed; - int active, max_active, deadlock, flush_opt = sn2_flush_opt; - - if (flush_opt > 2) { - sn2_ipi_flush_all_tlb(mm); - return; - } - - nodes_clear(nodes_flushed); - i = 0; - - for_each_cpu(cpu, mm_cpumask(mm)) { - cnode = cpu_to_node(cpu); - node_set(cnode, nodes_flushed); - lcpu = cpu; - i++; - } - - if (i == 0) - return; - - preempt_disable(); - - if (likely(i == 1 && lcpu == smp_processor_id() && mymm)) { - do { - ia64_ptcl(start, nbits << 2); - start += (1UL << nbits); - } while (start < end); - ia64_srlz_i(); - __get_cpu_var(ptcstats).ptc_l++; - preempt_enable(); - return; - } - - if (atomic_read(&mm->mm_users) == 1 && mymm) { - flush_tlb_mm(mm); - __get_cpu_var(ptcstats).change_rid++; - preempt_enable(); - return; - } - - if (flush_opt == 2) { - sn2_ipi_flush_all_tlb(mm); - preempt_enable(); - return; - } - - itc = ia64_get_itc(); - nix = 0; - for_each_node_mask(cnode, nodes_flushed) - nasids[nix++] = cnodeid_to_nasid(cnode); - - rr_value = (mm->context << 3) | REGION_NUMBER(start); - - shub1 = is_shub1(); - if (shub1) { - data0 = (1UL << SH1_PTC_0_A_SHFT) | - (nbits << SH1_PTC_0_PS_SHFT) | - (rr_value << SH1_PTC_0_RID_SHFT) | - (1UL << SH1_PTC_0_START_SHFT); - ptc0 = (long *)GLOBAL_MMR_PHYS_ADDR(0, SH1_PTC_0); - ptc1 = (long *)GLOBAL_MMR_PHYS_ADDR(0, SH1_PTC_1); - } else { - data0 = (1UL << SH2_PTC_A_SHFT) | - (nbits << SH2_PTC_PS_SHFT) | - (1UL << SH2_PTC_START_SHFT); - ptc0 = (long *)GLOBAL_MMR_PHYS_ADDR(0, SH2_PTC + - (rr_value << SH2_PTC_RID_SHFT)); - ptc1 = NULL; - } - - - mynasid = get_nasid(); - use_cpu_ptcga = local_node_uses_ptc_ga(shub1); - max_active = max_active_pio(shub1); - - itc = ia64_get_itc(); - spin_lock_irqsave(PTC_LOCK(shub1), flags); - itc2 = ia64_get_itc(); - - __get_cpu_var(ptcstats).lock_itc_clocks += itc2 - itc; - __get_cpu_var(ptcstats).shub_ptc_flushes++; - __get_cpu_var(ptcstats).nodes_flushed += nix; - if (!mymm) - __get_cpu_var(ptcstats).shub_ptc_flushes_not_my_mm++; - - if (use_cpu_ptcga && !mymm) { - old_rr = ia64_get_rr(start); - ia64_set_rr(start, (old_rr & 0xff) | (rr_value << 8)); - ia64_srlz_d(); - } - - wait_piowc(); - do { - if (shub1) - data1 = start | (1UL << SH1_PTC_1_START_SHFT); - else - data0 = (data0 & ~SH2_PTC_ADDR_MASK) | (start & SH2_PTC_ADDR_MASK); - deadlock = 0; - active = 0; - for (ibegin = 0, i = 0; i < nix; i++) { - nasid = nasids[i]; - if (use_cpu_ptcga && unlikely(nasid == mynasid)) { - ia64_ptcga(start, nbits << 2); - ia64_srlz_i(); - } else { - ptc0 = CHANGE_NASID(nasid, ptc0); - if (ptc1) - ptc1 = CHANGE_NASID(nasid, ptc1); - pio_atomic_phys_write_mmrs(ptc0, data0, ptc1, data1); - active++; - } - if (active >= max_active || i == (nix - 1)) { - if ((deadlock = wait_piowc())) { - if (flush_opt == 1) - goto done; - sn2_ptc_deadlock_recovery(nasids, ibegin, i, mynasid, ptc0, data0, ptc1, data1); - if (reset_max_active_on_deadlock()) - max_active = 1; - } - active = 0; - ibegin = i + 1; - } - } - start += (1UL << nbits); - } while (start < end); - -done: - itc2 = ia64_get_itc() - itc2; - __get_cpu_var(ptcstats).shub_itc_clocks += itc2; - if (itc2 > __get_cpu_var(ptcstats).shub_itc_clocks_max) - __get_cpu_var(ptcstats).shub_itc_clocks_max = itc2; - - if (old_rr) { - ia64_set_rr(start, old_rr); - ia64_srlz_d(); - } - - spin_unlock_irqrestore(PTC_LOCK(shub1), flags); - - if (flush_opt == 1 && deadlock) { - __get_cpu_var(ptcstats).deadlocks++; - sn2_ipi_flush_all_tlb(mm); - } - - preempt_enable(); -} - -/* - * sn2_ptc_deadlock_recovery - * - * Recover from PTC deadlocks conditions. Recovery requires stepping thru each - * TLB flush transaction. The recovery sequence is somewhat tricky & is - * coded in assembly language. - */ - -void -sn2_ptc_deadlock_recovery(short *nasids, short ib, short ie, int mynasid, - volatile unsigned long *ptc0, unsigned long data0, - volatile unsigned long *ptc1, unsigned long data1) -{ - short nasid, i; - unsigned long *piows, zeroval, n; - - __get_cpu_var(ptcstats).deadlocks++; - - piows = (unsigned long *) pda->pio_write_status_addr; - zeroval = pda->pio_write_status_val; - - - for (i=ib; i <= ie; i++) { - nasid = nasids[i]; - if (local_node_uses_ptc_ga(is_shub1()) && nasid == mynasid) - continue; - ptc0 = CHANGE_NASID(nasid, ptc0); - if (ptc1) - ptc1 = CHANGE_NASID(nasid, ptc1); - - n = sn2_ptc_deadlock_recovery_core(ptc0, data0, ptc1, data1, piows, zeroval); - __get_cpu_var(ptcstats).deadlocks2 += n; - } - -} - -/** - * sn_send_IPI_phys - send an IPI to a Nasid and slice - * @nasid: nasid to receive the interrupt (may be outside partition) - * @physid: physical cpuid to receive the interrupt. - * @vector: command to send - * @delivery_mode: delivery mechanism - * - * Sends an IPI (interprocessor interrupt) to the processor specified by - * @physid - * - * @delivery_mode can be one of the following - * - * %IA64_IPI_DM_INT - pend an interrupt - * %IA64_IPI_DM_PMI - pend a PMI - * %IA64_IPI_DM_NMI - pend an NMI - * %IA64_IPI_DM_INIT - pend an INIT interrupt - */ -void sn_send_IPI_phys(int nasid, long physid, int vector, int delivery_mode) -{ - long val; - unsigned long flags = 0; - volatile long *p; - - p = (long *)GLOBAL_MMR_PHYS_ADDR(nasid, SH_IPI_INT); - val = (1UL << SH_IPI_INT_SEND_SHFT) | - (physid << SH_IPI_INT_PID_SHFT) | - ((long)delivery_mode << SH_IPI_INT_TYPE_SHFT) | - ((long)vector << SH_IPI_INT_IDX_SHFT) | - (0x000feeUL << SH_IPI_INT_BASE_SHFT); - - mb(); - if (enable_shub_wars_1_1()) { - spin_lock_irqsave(&sn2_global_ptc_lock, flags); - } - pio_phys_write_mmr(p, val); - if (enable_shub_wars_1_1()) { - wait_piowc(); - spin_unlock_irqrestore(&sn2_global_ptc_lock, flags); - } - -} - -EXPORT_SYMBOL(sn_send_IPI_phys); - -/** - * sn2_send_IPI - send an IPI to a processor - * @cpuid: target of the IPI - * @vector: command to send - * @delivery_mode: delivery mechanism - * @redirect: redirect the IPI? - * - * Sends an IPI (InterProcessor Interrupt) to the processor specified by - * @cpuid. @vector specifies the command to send, while @delivery_mode can - * be one of the following - * - * %IA64_IPI_DM_INT - pend an interrupt - * %IA64_IPI_DM_PMI - pend a PMI - * %IA64_IPI_DM_NMI - pend an NMI - * %IA64_IPI_DM_INIT - pend an INIT interrupt - */ -void sn2_send_IPI(int cpuid, int vector, int delivery_mode, int redirect) -{ - long physid; - int nasid; - - physid = cpu_physical_id(cpuid); - nasid = cpuid_to_nasid(cpuid); - - /* the following is used only when starting cpus at boot time */ - if (unlikely(nasid == -1)) - ia64_sn_get_sapic_info(physid, &nasid, NULL, NULL); - - sn_send_IPI_phys(nasid, physid, vector, delivery_mode); -} - -#ifdef CONFIG_HOTPLUG_CPU -/** - * sn_cpu_disable_allowed - Determine if a CPU can be disabled. - * @cpu - CPU that is requested to be disabled. - * - * CPU disable is only allowed on SHub2 systems running with a PROM - * that supports CPU disable. It is not permitted to disable the boot processor. - */ -bool sn_cpu_disable_allowed(int cpu) -{ - if (is_shub2() && sn_prom_feature_available(PRF_CPU_DISABLE_SUPPORT)) { - if (cpu != 0) - return true; - else - printk(KERN_WARNING - "Disabling the boot processor is not allowed.\n"); - - } else - printk(KERN_WARNING - "CPU disable is not supported on this system.\n"); - - return false; -} -#endif /* CONFIG_HOTPLUG_CPU */ - -#ifdef CONFIG_PROC_FS - -#define PTC_BASENAME "sgi_sn/ptc_statistics" - -static void *sn2_ptc_seq_start(struct seq_file *file, loff_t * offset) -{ - if (*offset < nr_cpu_ids) - return offset; - return NULL; -} - -static void *sn2_ptc_seq_next(struct seq_file *file, void *data, loff_t * offset) -{ - (*offset)++; - if (*offset < nr_cpu_ids) - return offset; - return NULL; -} - -static void sn2_ptc_seq_stop(struct seq_file *file, void *data) -{ -} - -static int sn2_ptc_seq_show(struct seq_file *file, void *data) -{ - struct ptc_stats *stat; - int cpu; - - cpu = *(loff_t *) data; - - if (!cpu) { - seq_printf(file, - "# cpu ptc_l newrid ptc_flushes nodes_flushed deadlocks lock_nsec shub_nsec shub_nsec_max not_my_mm deadlock2 ipi_fluches ipi_nsec\n"); - seq_printf(file, "# ptctest %d, flushopt %d\n", sn2_ptctest, sn2_flush_opt); - } - - if (cpu < nr_cpu_ids && cpu_online(cpu)) { - stat = &per_cpu(ptcstats, cpu); - seq_printf(file, "cpu %d %ld %ld %ld %ld %ld %ld %ld %ld %ld %ld %ld %ld\n", cpu, stat->ptc_l, - stat->change_rid, stat->shub_ptc_flushes, stat->nodes_flushed, - stat->deadlocks, - 1000 * stat->lock_itc_clocks / per_cpu(ia64_cpu_info, cpu).cyc_per_usec, - 1000 * stat->shub_itc_clocks / per_cpu(ia64_cpu_info, cpu).cyc_per_usec, - 1000 * stat->shub_itc_clocks_max / per_cpu(ia64_cpu_info, cpu).cyc_per_usec, - stat->shub_ptc_flushes_not_my_mm, - stat->deadlocks2, - stat->shub_ipi_flushes, - 1000 * stat->shub_ipi_flushes_itc_clocks / per_cpu(ia64_cpu_info, cpu).cyc_per_usec); - } - return 0; -} - -static ssize_t sn2_ptc_proc_write(struct file *file, const char __user *user, size_t count, loff_t *data) -{ - int cpu; - char optstr[64]; - - if (count == 0 || count > sizeof(optstr)) - return -EINVAL; - if (copy_from_user(optstr, user, count)) - return -EFAULT; - optstr[count - 1] = '\0'; - sn2_flush_opt = simple_strtoul(optstr, NULL, 0); - - for_each_online_cpu(cpu) - memset(&per_cpu(ptcstats, cpu), 0, sizeof(struct ptc_stats)); - - return count; -} - -static const struct seq_operations sn2_ptc_seq_ops = { - .start = sn2_ptc_seq_start, - .next = sn2_ptc_seq_next, - .stop = sn2_ptc_seq_stop, - .show = sn2_ptc_seq_show -}; - -static int sn2_ptc_proc_open(struct inode *inode, struct file *file) -{ - return seq_open(file, &sn2_ptc_seq_ops); -} - -static const struct file_operations proc_sn2_ptc_operations = { - .open = sn2_ptc_proc_open, - .read = seq_read, - .write = sn2_ptc_proc_write, - .llseek = seq_lseek, - .release = seq_release, -}; - -static struct proc_dir_entry *proc_sn2_ptc; - -static int __init sn2_ptc_init(void) -{ - if (!ia64_platform_is("sn2")) - return 0; - - proc_sn2_ptc = proc_create(PTC_BASENAME, 0444, - NULL, &proc_sn2_ptc_operations); - if (!proc_sn2_ptc) { - printk(KERN_ERR "unable to create %s proc entry", PTC_BASENAME); - return -EINVAL; - } - spin_lock_init(&sn2_global_ptc_lock); - return 0; -} - -static void __exit sn2_ptc_exit(void) -{ - remove_proc_entry(PTC_BASENAME, NULL); -} - -module_init(sn2_ptc_init); -module_exit(sn2_ptc_exit); -#endif /* CONFIG_PROC_FS */ - diff --git a/ANDROID_3.4.5/arch/ia64/sn/kernel/sn2/sn_hwperf.c b/ANDROID_3.4.5/arch/ia64/sn/kernel/sn2/sn_hwperf.c deleted file mode 100644 index 4554f68b..00000000 --- a/ANDROID_3.4.5/arch/ia64/sn/kernel/sn2/sn_hwperf.c +++ /dev/null @@ -1,1003 +0,0 @@ -/* - * 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) 2004-2006 Silicon Graphics, Inc. All rights reserved. - * - * SGI Altix topology and hardware performance monitoring API. - * Mark Goodwin <markgw@sgi.com>. - * - * Creates /proc/sgi_sn/sn_topology (read-only) to export - * info about Altix nodes, routers, CPUs and NumaLink - * interconnection/topology. - * - * Also creates a dynamic misc device named "sn_hwperf" - * that supports an ioctl interface to call down into SAL - * to discover hw objects, topology and to read/write - * memory mapped registers, e.g. for performance monitoring. - * The "sn_hwperf" device is registered only after the procfs - * file is first opened, i.e. only if/when it's needed. - * - * This API is used by SGI Performance Co-Pilot and other - * tools, see http://oss.sgi.com/projects/pcp - */ - -#include <linux/fs.h> -#include <linux/slab.h> -#include <linux/export.h> -#include <linux/vmalloc.h> -#include <linux/seq_file.h> -#include <linux/miscdevice.h> -#include <linux/utsname.h> -#include <linux/cpumask.h> -#include <linux/nodemask.h> -#include <linux/smp.h> -#include <linux/mutex.h> - -#include <asm/processor.h> -#include <asm/topology.h> -#include <asm/uaccess.h> -#include <asm/sal.h> -#include <asm/sn/io.h> -#include <asm/sn/sn_sal.h> -#include <asm/sn/module.h> -#include <asm/sn/geo.h> -#include <asm/sn/sn2/sn_hwperf.h> -#include <asm/sn/addrs.h> - -static void *sn_hwperf_salheap = NULL; -static int sn_hwperf_obj_cnt = 0; -static nasid_t sn_hwperf_master_nasid = INVALID_NASID; -static int sn_hwperf_init(void); -static DEFINE_MUTEX(sn_hwperf_init_mutex); - -#define cnode_possible(n) ((n) < num_cnodes) - -static int sn_hwperf_enum_objects(int *nobj, struct sn_hwperf_object_info **ret) -{ - int e; - u64 sz; - struct sn_hwperf_object_info *objbuf = NULL; - - if ((e = sn_hwperf_init()) < 0) { - printk(KERN_ERR "sn_hwperf_init failed: err %d\n", e); - goto out; - } - - sz = sn_hwperf_obj_cnt * sizeof(struct sn_hwperf_object_info); - objbuf = vmalloc(sz); - if (objbuf == NULL) { - printk("sn_hwperf_enum_objects: vmalloc(%d) failed\n", (int)sz); - e = -ENOMEM; - goto out; - } - - e = ia64_sn_hwperf_op(sn_hwperf_master_nasid, SN_HWPERF_ENUM_OBJECTS, - 0, sz, (u64) objbuf, 0, 0, NULL); - if (e != SN_HWPERF_OP_OK) { - e = -EINVAL; - vfree(objbuf); - } - -out: - *nobj = sn_hwperf_obj_cnt; - *ret = objbuf; - return e; -} - -static int sn_hwperf_location_to_bpos(char *location, - int *rack, int *bay, int *slot, int *slab) -{ - char type; - - /* first scan for an old style geoid string */ - if (sscanf(location, "%03d%c%02d#%d", - rack, &type, bay, slab) == 4) - *slot = 0; - else /* scan for a new bladed geoid string */ - if (sscanf(location, "%03d%c%02d^%02d#%d", - rack, &type, bay, slot, slab) != 5) - return -1; - /* success */ - return 0; -} - -static int sn_hwperf_geoid_to_cnode(char *location) -{ - int cnode; - geoid_t geoid; - moduleid_t module_id; - int rack, bay, slot, slab; - int this_rack, this_bay, this_slot, this_slab; - - if (sn_hwperf_location_to_bpos(location, &rack, &bay, &slot, &slab)) - return -1; - - /* - * FIXME: replace with cleaner for_each_XXX macro which addresses - * both compute and IO nodes once ACPI3.0 is available. - */ - for (cnode = 0; cnode < num_cnodes; cnode++) { - geoid = cnodeid_get_geoid(cnode); - module_id = geo_module(geoid); - this_rack = MODULE_GET_RACK(module_id); - this_bay = MODULE_GET_BPOS(module_id); - this_slot = geo_slot(geoid); - this_slab = geo_slab(geoid); - if (rack == this_rack && bay == this_bay && - slot == this_slot && slab == this_slab) { - break; - } - } - - return cnode_possible(cnode) ? cnode : -1; -} - -static int sn_hwperf_obj_to_cnode(struct sn_hwperf_object_info * obj) -{ - if (!SN_HWPERF_IS_NODE(obj) && !SN_HWPERF_IS_IONODE(obj)) - BUG(); - if (SN_HWPERF_FOREIGN(obj)) - return -1; - return sn_hwperf_geoid_to_cnode(obj->location); -} - -static int sn_hwperf_generic_ordinal(struct sn_hwperf_object_info *obj, - struct sn_hwperf_object_info *objs) -{ - int ordinal; - struct sn_hwperf_object_info *p; - - for (ordinal=0, p=objs; p != obj; p++) { - if (SN_HWPERF_FOREIGN(p)) - continue; - if (SN_HWPERF_SAME_OBJTYPE(p, obj)) - ordinal++; - } - - return ordinal; -} - -static const char *slabname_node = "node"; /* SHub asic */ -static const char *slabname_ionode = "ionode"; /* TIO asic */ -static const char *slabname_router = "router"; /* NL3R or NL4R */ -static const char *slabname_other = "other"; /* unknown asic */ - -static const char *sn_hwperf_get_slabname(struct sn_hwperf_object_info *obj, - struct sn_hwperf_object_info *objs, int *ordinal) -{ - int isnode; - const char *slabname = slabname_other; - - if ((isnode = SN_HWPERF_IS_NODE(obj)) || SN_HWPERF_IS_IONODE(obj)) { - slabname = isnode ? slabname_node : slabname_ionode; - *ordinal = sn_hwperf_obj_to_cnode(obj); - } - else { - *ordinal = sn_hwperf_generic_ordinal(obj, objs); - if (SN_HWPERF_IS_ROUTER(obj)) - slabname = slabname_router; - } - - return slabname; -} - -static void print_pci_topology(struct seq_file *s) -{ - char *p; - size_t sz; - int e; - - for (sz = PAGE_SIZE; sz < 16 * PAGE_SIZE; sz += PAGE_SIZE) { - if (!(p = kmalloc(sz, GFP_KERNEL))) - break; - e = ia64_sn_ioif_get_pci_topology(__pa(p), sz); - if (e == SALRET_OK) - seq_puts(s, p); - kfree(p); - if (e == SALRET_OK || e == SALRET_NOT_IMPLEMENTED) - break; - } -} - -static inline int sn_hwperf_has_cpus(cnodeid_t node) -{ - return node < MAX_NUMNODES && node_online(node) && nr_cpus_node(node); -} - -static inline int sn_hwperf_has_mem(cnodeid_t node) -{ - return node < MAX_NUMNODES && node_online(node) && NODE_DATA(node)->node_present_pages; -} - -static struct sn_hwperf_object_info * -sn_hwperf_findobj_id(struct sn_hwperf_object_info *objbuf, - int nobj, int id) -{ - int i; - struct sn_hwperf_object_info *p = objbuf; - - for (i=0; i < nobj; i++, p++) { - if (p->id == id) - return p; - } - - return NULL; - -} - -static int sn_hwperf_get_nearest_node_objdata(struct sn_hwperf_object_info *objbuf, - int nobj, cnodeid_t node, cnodeid_t *near_mem_node, cnodeid_t *near_cpu_node) -{ - int e; - struct sn_hwperf_object_info *nodeobj = NULL; - struct sn_hwperf_object_info *op; - struct sn_hwperf_object_info *dest; - struct sn_hwperf_object_info *router; - struct sn_hwperf_port_info ptdata[16]; - int sz, i, j; - cnodeid_t c; - int found_mem = 0; - int found_cpu = 0; - - if (!cnode_possible(node)) - return -EINVAL; - - if (sn_hwperf_has_cpus(node)) { - if (near_cpu_node) - *near_cpu_node = node; - found_cpu++; - } - - if (sn_hwperf_has_mem(node)) { - if (near_mem_node) - *near_mem_node = node; - found_mem++; - } - - if (found_cpu && found_mem) - return 0; /* trivially successful */ - - /* find the argument node object */ - for (i=0, op=objbuf; i < nobj; i++, op++) { - if (!SN_HWPERF_IS_NODE(op) && !SN_HWPERF_IS_IONODE(op)) - continue; - if (node == sn_hwperf_obj_to_cnode(op)) { - nodeobj = op; - break; - } - } - if (!nodeobj) { - e = -ENOENT; - goto err; - } - - /* get it's interconnect topology */ - sz = op->ports * sizeof(struct sn_hwperf_port_info); - BUG_ON(sz > sizeof(ptdata)); - e = ia64_sn_hwperf_op(sn_hwperf_master_nasid, - SN_HWPERF_ENUM_PORTS, nodeobj->id, sz, - (u64)&ptdata, 0, 0, NULL); - if (e != SN_HWPERF_OP_OK) { - e = -EINVAL; - goto err; - } - - /* find nearest node with cpus and nearest memory */ - for (router=NULL, j=0; j < op->ports; j++) { - dest = sn_hwperf_findobj_id(objbuf, nobj, ptdata[j].conn_id); - if (dest && SN_HWPERF_IS_ROUTER(dest)) - router = dest; - if (!dest || SN_HWPERF_FOREIGN(dest) || - !SN_HWPERF_IS_NODE(dest) || SN_HWPERF_IS_IONODE(dest)) { - continue; - } - c = sn_hwperf_obj_to_cnode(dest); - if (!found_cpu && sn_hwperf_has_cpus(c)) { - if (near_cpu_node) - *near_cpu_node = c; - found_cpu++; - } - if (!found_mem && sn_hwperf_has_mem(c)) { - if (near_mem_node) - *near_mem_node = c; - found_mem++; - } - } - - if (router && (!found_cpu || !found_mem)) { - /* search for a node connected to the same router */ - sz = router->ports * sizeof(struct sn_hwperf_port_info); - BUG_ON(sz > sizeof(ptdata)); - e = ia64_sn_hwperf_op(sn_hwperf_master_nasid, - SN_HWPERF_ENUM_PORTS, router->id, sz, - (u64)&ptdata, 0, 0, NULL); - if (e != SN_HWPERF_OP_OK) { - e = -EINVAL; - goto err; - } - for (j=0; j < router->ports; j++) { - dest = sn_hwperf_findobj_id(objbuf, nobj, - ptdata[j].conn_id); - if (!dest || dest->id == node || - SN_HWPERF_FOREIGN(dest) || - !SN_HWPERF_IS_NODE(dest) || - SN_HWPERF_IS_IONODE(dest)) { - continue; - } - c = sn_hwperf_obj_to_cnode(dest); - if (!found_cpu && sn_hwperf_has_cpus(c)) { - if (near_cpu_node) - *near_cpu_node = c; - found_cpu++; - } - if (!found_mem && sn_hwperf_has_mem(c)) { - if (near_mem_node) - *near_mem_node = c; - found_mem++; - } - if (found_cpu && found_mem) - break; - } - } - - if (!found_cpu || !found_mem) { - /* resort to _any_ node with CPUs and memory */ - for (i=0, op=objbuf; i < nobj; i++, op++) { - if (SN_HWPERF_FOREIGN(op) || - SN_HWPERF_IS_IONODE(op) || - !SN_HWPERF_IS_NODE(op)) { - continue; - } - c = sn_hwperf_obj_to_cnode(op); - if (!found_cpu && sn_hwperf_has_cpus(c)) { - if (near_cpu_node) - *near_cpu_node = c; - found_cpu++; - } - if (!found_mem && sn_hwperf_has_mem(c)) { - if (near_mem_node) - *near_mem_node = c; - found_mem++; - } - if (found_cpu && found_mem) - break; - } - } - - if (!found_cpu || !found_mem) - e = -ENODATA; - -err: - return e; -} - - -static int sn_topology_show(struct seq_file *s, void *d) -{ - int sz; - int pt; - int e = 0; - int i; - int j; - const char *slabname; - int ordinal; - char slice; - struct cpuinfo_ia64 *c; - struct sn_hwperf_port_info *ptdata; - struct sn_hwperf_object_info *p; - struct sn_hwperf_object_info *obj = d; /* this object */ - struct sn_hwperf_object_info *objs = s->private; /* all objects */ - u8 shubtype; - u8 system_size; - u8 sharing_size; - u8 partid; - u8 coher; - u8 nasid_shift; - u8 region_size; - u16 nasid_mask; - int nasid_msb; - - if (obj == objs) { - seq_printf(s, "# sn_topology version 2\n"); - seq_printf(s, "# objtype ordinal location partition" - " [attribute value [, ...]]\n"); - - if (ia64_sn_get_sn_info(0, - &shubtype, &nasid_mask, &nasid_shift, &system_size, - &sharing_size, &partid, &coher, ®ion_size)) - BUG(); - for (nasid_msb=63; nasid_msb > 0; nasid_msb--) { - if (((u64)nasid_mask << nasid_shift) & (1ULL << nasid_msb)) - break; - } - seq_printf(s, "partition %u %s local " - "shubtype %s, " - "nasid_mask 0x%016llx, " - "nasid_bits %d:%d, " - "system_size %d, " - "sharing_size %d, " - "coherency_domain %d, " - "region_size %d\n", - - partid, utsname()->nodename, - shubtype ? "shub2" : "shub1", - (u64)nasid_mask << nasid_shift, nasid_msb, nasid_shift, - system_size, sharing_size, coher, region_size); - - print_pci_topology(s); - } - - if (SN_HWPERF_FOREIGN(obj)) { - /* private in another partition: not interesting */ - return 0; - } - - for (i = 0; i < SN_HWPERF_MAXSTRING && obj->name[i]; i++) { - if (obj->name[i] == ' ') - obj->name[i] = '_'; - } - - slabname = sn_hwperf_get_slabname(obj, objs, &ordinal); - seq_printf(s, "%s %d %s %s asic %s", slabname, ordinal, obj->location, - obj->sn_hwp_this_part ? "local" : "shared", obj->name); - - if (ordinal < 0 || (!SN_HWPERF_IS_NODE(obj) && !SN_HWPERF_IS_IONODE(obj))) - seq_putc(s, '\n'); - else { - cnodeid_t near_mem = -1; - cnodeid_t near_cpu = -1; - - seq_printf(s, ", nasid 0x%x", cnodeid_to_nasid(ordinal)); - - if (sn_hwperf_get_nearest_node_objdata(objs, sn_hwperf_obj_cnt, - ordinal, &near_mem, &near_cpu) == 0) { - seq_printf(s, ", near_mem_nodeid %d, near_cpu_nodeid %d", - near_mem, near_cpu); - } - - if (!SN_HWPERF_IS_IONODE(obj)) { - for_each_online_node(i) { - seq_printf(s, i ? ":%d" : ", dist %d", - node_distance(ordinal, i)); - } - } - - seq_putc(s, '\n'); - - /* - * CPUs on this node, if any - */ - if (!SN_HWPERF_IS_IONODE(obj)) { - for_each_cpu_and(i, cpu_online_mask, - cpumask_of_node(ordinal)) { - slice = 'a' + cpuid_to_slice(i); - c = cpu_data(i); - seq_printf(s, "cpu %d %s%c local" - " freq %luMHz, arch ia64", - i, obj->location, slice, - c->proc_freq / 1000000); - for_each_online_cpu(j) { - seq_printf(s, j ? ":%d" : ", dist %d", - node_distance( - cpu_to_node(i), - cpu_to_node(j))); - } - seq_putc(s, '\n'); - } - } - } - - if (obj->ports) { - /* - * numalink ports - */ - sz = obj->ports * sizeof(struct sn_hwperf_port_info); - if ((ptdata = kmalloc(sz, GFP_KERNEL)) == NULL) - return -ENOMEM; - e = ia64_sn_hwperf_op(sn_hwperf_master_nasid, - SN_HWPERF_ENUM_PORTS, obj->id, sz, - (u64) ptdata, 0, 0, NULL); - if (e != SN_HWPERF_OP_OK) - return -EINVAL; - for (ordinal=0, p=objs; p != obj; p++) { - if (!SN_HWPERF_FOREIGN(p)) - ordinal += p->ports; - } - for (pt = 0; pt < obj->ports; pt++) { - for (p = objs, i = 0; i < sn_hwperf_obj_cnt; i++, p++) { - if (ptdata[pt].conn_id == p->id) { - break; - } - } - seq_printf(s, "numalink %d %s-%d", - ordinal+pt, obj->location, ptdata[pt].port); - - if (i >= sn_hwperf_obj_cnt) { - /* no connection */ - seq_puts(s, " local endpoint disconnected" - ", protocol unknown\n"); - continue; - } - - if (obj->sn_hwp_this_part && p->sn_hwp_this_part) - /* both ends local to this partition */ - seq_puts(s, " local"); - else if (SN_HWPERF_FOREIGN(p)) - /* both ends of the link in foreign partiton */ - seq_puts(s, " foreign"); - else - /* link straddles a partition */ - seq_puts(s, " shared"); - - /* - * Unlikely, but strictly should query the LLP config - * registers because an NL4R can be configured to run - * NL3 protocol, even when not talking to an NL3 router. - * Ditto for node-node. - */ - seq_printf(s, " endpoint %s-%d, protocol %s\n", - p->location, ptdata[pt].conn_port, - (SN_HWPERF_IS_NL3ROUTER(obj) || - SN_HWPERF_IS_NL3ROUTER(p)) ? "LLP3" : "LLP4"); - } - kfree(ptdata); - } - - return 0; -} - -static void *sn_topology_start(struct seq_file *s, loff_t * pos) -{ - struct sn_hwperf_object_info *objs = s->private; - - if (*pos < sn_hwperf_obj_cnt) - return (void *)(objs + *pos); - - return NULL; -} - -static void *sn_topology_next(struct seq_file *s, void *v, loff_t * pos) -{ - ++*pos; - return sn_topology_start(s, pos); -} - -static void sn_topology_stop(struct seq_file *m, void *v) -{ - return; -} - -/* - * /proc/sgi_sn/sn_topology, read-only using seq_file - */ -static const struct seq_operations sn_topology_seq_ops = { - .start = sn_topology_start, - .next = sn_topology_next, - .stop = sn_topology_stop, - .show = sn_topology_show -}; - -struct sn_hwperf_op_info { - u64 op; - struct sn_hwperf_ioctl_args *a; - void *p; - int *v0; - int ret; -}; - -static void sn_hwperf_call_sal(void *info) -{ - struct sn_hwperf_op_info *op_info = info; - int r; - - r = ia64_sn_hwperf_op(sn_hwperf_master_nasid, op_info->op, - op_info->a->arg, op_info->a->sz, - (u64) op_info->p, 0, 0, op_info->v0); - op_info->ret = r; -} - -static int sn_hwperf_op_cpu(struct sn_hwperf_op_info *op_info) -{ - u32 cpu; - u32 use_ipi; - int r = 0; - cpumask_t save_allowed; - - cpu = (op_info->a->arg & SN_HWPERF_ARG_CPU_MASK) >> 32; - use_ipi = op_info->a->arg & SN_HWPERF_ARG_USE_IPI_MASK; - op_info->a->arg &= SN_HWPERF_ARG_OBJID_MASK; - - if (cpu != SN_HWPERF_ARG_ANY_CPU) { - if (cpu >= nr_cpu_ids || !cpu_online(cpu)) { - r = -EINVAL; - goto out; - } - } - - if (cpu == SN_HWPERF_ARG_ANY_CPU) { - /* don't care which cpu */ - sn_hwperf_call_sal(op_info); - } else if (cpu == get_cpu()) { - /* already on correct cpu */ - sn_hwperf_call_sal(op_info); - put_cpu(); - } else { - put_cpu(); - if (use_ipi) { - /* use an interprocessor interrupt to call SAL */ - smp_call_function_single(cpu, sn_hwperf_call_sal, - op_info, 1); - } - else { - /* migrate the task before calling SAL */ - save_allowed = current->cpus_allowed; - set_cpus_allowed_ptr(current, cpumask_of(cpu)); - sn_hwperf_call_sal(op_info); - set_cpus_allowed_ptr(current, &save_allowed); - } - } - r = op_info->ret; - -out: - return r; -} - -/* map SAL hwperf error code to system error code */ -static int sn_hwperf_map_err(int hwperf_err) -{ - int e; - - switch(hwperf_err) { - case SN_HWPERF_OP_OK: - e = 0; - break; - - case SN_HWPERF_OP_NOMEM: - e = -ENOMEM; - break; - - case SN_HWPERF_OP_NO_PERM: - e = -EPERM; - break; - - case SN_HWPERF_OP_IO_ERROR: - e = -EIO; - break; - - case SN_HWPERF_OP_BUSY: - e = -EBUSY; - break; - - case SN_HWPERF_OP_RECONFIGURE: - e = -EAGAIN; - break; - - case SN_HWPERF_OP_INVAL: - default: - e = -EINVAL; - break; - } - - return e; -} - -/* - * ioctl for "sn_hwperf" misc device - */ -static long sn_hwperf_ioctl(struct file *fp, u32 op, unsigned long arg) -{ - struct sn_hwperf_ioctl_args a; - struct cpuinfo_ia64 *cdata; - struct sn_hwperf_object_info *objs; - struct sn_hwperf_object_info *cpuobj; - struct sn_hwperf_op_info op_info; - void *p = NULL; - int nobj; - char slice; - int node; - int r; - int v0; - int i; - int j; - - /* only user requests are allowed here */ - if ((op & SN_HWPERF_OP_MASK) < 10) { - r = -EINVAL; - goto error; - } - r = copy_from_user(&a, (const void __user *)arg, - sizeof(struct sn_hwperf_ioctl_args)); - if (r != 0) { - r = -EFAULT; - goto error; - } - - /* - * Allocate memory to hold a kernel copy of the user buffer. The - * buffer contents are either copied in or out (or both) of user - * space depending on the flags encoded in the requested operation. - */ - if (a.ptr) { - p = vmalloc(a.sz); - if (!p) { - r = -ENOMEM; - goto error; - } - } - - if (op & SN_HWPERF_OP_MEM_COPYIN) { - r = copy_from_user(p, (const void __user *)a.ptr, a.sz); - if (r != 0) { - r = -EFAULT; - goto error; - } - } - - switch (op) { - case SN_HWPERF_GET_CPU_INFO: - if (a.sz == sizeof(u64)) { - /* special case to get size needed */ - *(u64 *) p = (u64) num_online_cpus() * - sizeof(struct sn_hwperf_object_info); - } else - if (a.sz < num_online_cpus() * sizeof(struct sn_hwperf_object_info)) { - r = -ENOMEM; - goto error; - } else - if ((r = sn_hwperf_enum_objects(&nobj, &objs)) == 0) { - int cpuobj_index = 0; - - memset(p, 0, a.sz); - for (i = 0; i < nobj; i++) { - if (!SN_HWPERF_IS_NODE(objs + i)) - continue; - node = sn_hwperf_obj_to_cnode(objs + i); - for_each_online_cpu(j) { - if (node != cpu_to_node(j)) - continue; - cpuobj = (struct sn_hwperf_object_info *) p + cpuobj_index++; - slice = 'a' + cpuid_to_slice(j); - cdata = cpu_data(j); - cpuobj->id = j; - snprintf(cpuobj->name, - sizeof(cpuobj->name), - "CPU %luMHz %s", - cdata->proc_freq / 1000000, - cdata->vendor); - snprintf(cpuobj->location, - sizeof(cpuobj->location), - "%s%c", objs[i].location, - slice); - } - } - - vfree(objs); - } - break; - - case SN_HWPERF_GET_NODE_NASID: - if (a.sz != sizeof(u64) || - (node = a.arg) < 0 || !cnode_possible(node)) { - r = -EINVAL; - goto error; - } - *(u64 *)p = (u64)cnodeid_to_nasid(node); - break; - - case SN_HWPERF_GET_OBJ_NODE: - i = a.arg; - if (a.sz != sizeof(u64) || i < 0) { - r = -EINVAL; - goto error; - } - if ((r = sn_hwperf_enum_objects(&nobj, &objs)) == 0) { - if (i >= nobj) { - r = -EINVAL; - vfree(objs); - goto error; - } - if (objs[i].id != a.arg) { - for (i = 0; i < nobj; i++) { - if (objs[i].id == a.arg) - break; - } - } - if (i == nobj) { - r = -EINVAL; - vfree(objs); - goto error; - } - - if (!SN_HWPERF_IS_NODE(objs + i) && - !SN_HWPERF_IS_IONODE(objs + i)) { - r = -ENOENT; - vfree(objs); - goto error; - } - - *(u64 *)p = (u64)sn_hwperf_obj_to_cnode(objs + i); - vfree(objs); - } - break; - - case SN_HWPERF_GET_MMRS: - case SN_HWPERF_SET_MMRS: - case SN_HWPERF_OBJECT_DISTANCE: - op_info.p = p; - op_info.a = &a; - op_info.v0 = &v0; - op_info.op = op; - r = sn_hwperf_op_cpu(&op_info); - if (r) { - r = sn_hwperf_map_err(r); - a.v0 = v0; - goto error; - } - break; - - default: - /* all other ops are a direct SAL call */ - r = ia64_sn_hwperf_op(sn_hwperf_master_nasid, op, - a.arg, a.sz, (u64) p, 0, 0, &v0); - if (r) { - r = sn_hwperf_map_err(r); - goto error; - } - a.v0 = v0; - break; - } - - if (op & SN_HWPERF_OP_MEM_COPYOUT) { - r = copy_to_user((void __user *)a.ptr, p, a.sz); - if (r != 0) { - r = -EFAULT; - goto error; - } - } - -error: - vfree(p); - - return r; -} - -static const struct file_operations sn_hwperf_fops = { - .unlocked_ioctl = sn_hwperf_ioctl, - .llseek = noop_llseek, -}; - -static struct miscdevice sn_hwperf_dev = { - MISC_DYNAMIC_MINOR, - "sn_hwperf", - &sn_hwperf_fops -}; - -static int sn_hwperf_init(void) -{ - u64 v; - int salr; - int e = 0; - - /* single threaded, once-only initialization */ - mutex_lock(&sn_hwperf_init_mutex); - - if (sn_hwperf_salheap) { - mutex_unlock(&sn_hwperf_init_mutex); - return e; - } - - /* - * The PROM code needs a fixed reference node. For convenience the - * same node as the console I/O is used. - */ - sn_hwperf_master_nasid = (nasid_t) ia64_sn_get_console_nasid(); - - /* - * Request the needed size and install the PROM scratch area. - * The PROM keeps various tracking bits in this memory area. - */ - salr = ia64_sn_hwperf_op(sn_hwperf_master_nasid, - (u64) SN_HWPERF_GET_HEAPSIZE, 0, - (u64) sizeof(u64), (u64) &v, 0, 0, NULL); - if (salr != SN_HWPERF_OP_OK) { - e = -EINVAL; - goto out; - } - - if ((sn_hwperf_salheap = vmalloc(v)) == NULL) { - e = -ENOMEM; - goto out; - } - salr = ia64_sn_hwperf_op(sn_hwperf_master_nasid, - SN_HWPERF_INSTALL_HEAP, 0, v, - (u64) sn_hwperf_salheap, 0, 0, NULL); - if (salr != SN_HWPERF_OP_OK) { - e = -EINVAL; - goto out; - } - - salr = ia64_sn_hwperf_op(sn_hwperf_master_nasid, - SN_HWPERF_OBJECT_COUNT, 0, - sizeof(u64), (u64) &v, 0, 0, NULL); - if (salr != SN_HWPERF_OP_OK) { - e = -EINVAL; - goto out; - } - sn_hwperf_obj_cnt = (int)v; - -out: - if (e < 0 && sn_hwperf_salheap) { - vfree(sn_hwperf_salheap); - sn_hwperf_salheap = NULL; - sn_hwperf_obj_cnt = 0; - } - mutex_unlock(&sn_hwperf_init_mutex); - return e; -} - -int sn_topology_open(struct inode *inode, struct file *file) -{ - int e; - struct seq_file *seq; - struct sn_hwperf_object_info *objbuf; - int nobj; - - if ((e = sn_hwperf_enum_objects(&nobj, &objbuf)) == 0) { - e = seq_open(file, &sn_topology_seq_ops); - seq = file->private_data; - seq->private = objbuf; - } - - return e; -} - -int sn_topology_release(struct inode *inode, struct file *file) -{ - struct seq_file *seq = file->private_data; - - vfree(seq->private); - return seq_release(inode, file); -} - -int sn_hwperf_get_nearest_node(cnodeid_t node, - cnodeid_t *near_mem_node, cnodeid_t *near_cpu_node) -{ - int e; - int nobj; - struct sn_hwperf_object_info *objbuf; - - if ((e = sn_hwperf_enum_objects(&nobj, &objbuf)) == 0) { - e = sn_hwperf_get_nearest_node_objdata(objbuf, nobj, - node, near_mem_node, near_cpu_node); - vfree(objbuf); - } - - return e; -} - -static int __devinit sn_hwperf_misc_register_init(void) -{ - int e; - - if (!ia64_platform_is("sn2")) - return 0; - - sn_hwperf_init(); - - /* - * Register a dynamic misc device for hwperf ioctls. Platforms - * supporting hotplug will create /dev/sn_hwperf, else user - * can to look up the minor number in /proc/misc. - */ - if ((e = misc_register(&sn_hwperf_dev)) != 0) { - printk(KERN_ERR "sn_hwperf_misc_register_init: failed to " - "register misc device for \"%s\"\n", sn_hwperf_dev.name); - } - - return e; -} - -device_initcall(sn_hwperf_misc_register_init); /* after misc_init() */ -EXPORT_SYMBOL(sn_hwperf_get_nearest_node); diff --git a/ANDROID_3.4.5/arch/ia64/sn/kernel/sn2/sn_proc_fs.c b/ANDROID_3.4.5/arch/ia64/sn/kernel/sn2/sn_proc_fs.c deleted file mode 100644 index 7aab87f4..00000000 --- a/ANDROID_3.4.5/arch/ia64/sn/kernel/sn2/sn_proc_fs.c +++ /dev/null @@ -1,117 +0,0 @@ -/* - * 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) 2000-2005 Silicon Graphics, Inc. All rights reserved. - */ - -#ifdef CONFIG_PROC_FS -#include <linux/proc_fs.h> -#include <linux/seq_file.h> -#include <asm/uaccess.h> -#include <asm/sn/sn_sal.h> - -static int partition_id_show(struct seq_file *s, void *p) -{ - seq_printf(s, "%d\n", sn_partition_id); - return 0; -} - -static int partition_id_open(struct inode *inode, struct file *file) -{ - return single_open(file, partition_id_show, NULL); -} - -static int system_serial_number_show(struct seq_file *s, void *p) -{ - seq_printf(s, "%s\n", sn_system_serial_number()); - return 0; -} - -static int system_serial_number_open(struct inode *inode, struct file *file) -{ - return single_open(file, system_serial_number_show, NULL); -} - -static int licenseID_show(struct seq_file *s, void *p) -{ - seq_printf(s, "0x%llx\n", sn_partition_serial_number_val()); - return 0; -} - -static int licenseID_open(struct inode *inode, struct file *file) -{ - return single_open(file, licenseID_show, NULL); -} - -static int coherence_id_show(struct seq_file *s, void *p) -{ - seq_printf(s, "%d\n", partition_coherence_id()); - - return 0; -} - -static int coherence_id_open(struct inode *inode, struct file *file) -{ - return single_open(file, coherence_id_show, NULL); -} - -/* /proc/sgi_sn/sn_topology uses seq_file, see sn_hwperf.c */ -extern int sn_topology_open(struct inode *, struct file *); -extern int sn_topology_release(struct inode *, struct file *); - -static const struct file_operations proc_partition_id_fops = { - .open = partition_id_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, -}; - -static const struct file_operations proc_system_sn_fops = { - .open = system_serial_number_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, -}; - -static const struct file_operations proc_license_id_fops = { - .open = licenseID_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, -}; - -static const struct file_operations proc_coherence_id_fops = { - .open = coherence_id_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, -}; - -static const struct file_operations proc_sn_topo_fops = { - .open = sn_topology_open, - .read = seq_read, - .llseek = seq_lseek, - .release = sn_topology_release, -}; - -void register_sn_procfs(void) -{ - static struct proc_dir_entry *sgi_proc_dir = NULL; - - BUG_ON(sgi_proc_dir != NULL); - if (!(sgi_proc_dir = proc_mkdir("sgi_sn", NULL))) - return; - - proc_create("partition_id", 0444, sgi_proc_dir, - &proc_partition_id_fops); - proc_create("system_serial_number", 0444, sgi_proc_dir, - &proc_system_sn_fops); - proc_create("licenseID", 0444, sgi_proc_dir, &proc_license_id_fops); - proc_create("coherence_id", 0444, sgi_proc_dir, - &proc_coherence_id_fops); - proc_create("sn_topology", 0444, sgi_proc_dir, &proc_sn_topo_fops); -} - -#endif /* CONFIG_PROC_FS */ diff --git a/ANDROID_3.4.5/arch/ia64/sn/kernel/sn2/timer.c b/ANDROID_3.4.5/arch/ia64/sn/kernel/sn2/timer.c deleted file mode 100644 index abab8f99..00000000 --- a/ANDROID_3.4.5/arch/ia64/sn/kernel/sn2/timer.c +++ /dev/null @@ -1,60 +0,0 @@ -/* - * linux/arch/ia64/sn/kernel/sn2/timer.c - * - * Copyright (C) 2003 Silicon Graphics, Inc. - * Copyright (C) 2003 Hewlett-Packard Co - * David Mosberger <davidm@hpl.hp.com>: updated for new timer-interpolation infrastructure - */ - -#include <linux/init.h> -#include <linux/kernel.h> -#include <linux/sched.h> -#include <linux/time.h> -#include <linux/interrupt.h> -#include <linux/clocksource.h> - -#include <asm/hw_irq.h> -#include <asm/timex.h> - -#include <asm/sn/leds.h> -#include <asm/sn/shub_mmr.h> -#include <asm/sn/clksupport.h> - -extern unsigned long sn_rtc_cycles_per_second; - -static cycle_t read_sn2(struct clocksource *cs) -{ - return (cycle_t)readq(RTC_COUNTER_ADDR); -} - -static struct clocksource clocksource_sn2 = { - .name = "sn2_rtc", - .rating = 450, - .read = read_sn2, - .mask = (1LL << 55) - 1, - .flags = CLOCK_SOURCE_IS_CONTINUOUS, -}; - -/* - * sn udelay uses the RTC instead of the ITC because the ITC is not - * synchronized across all CPUs, and the thread may migrate to another CPU - * if preemption is enabled. - */ -static void -ia64_sn_udelay (unsigned long usecs) -{ - unsigned long start = rtc_time(); - unsigned long end = start + - usecs * sn_rtc_cycles_per_second / 1000000; - - while (time_before((unsigned long)rtc_time(), end)) - cpu_relax(); -} - -void __init sn_timer_init(void) -{ - clocksource_sn2.archdata.fsys_mmio = RTC_COUNTER_ADDR; - clocksource_register_hz(&clocksource_sn2, sn_rtc_cycles_per_second); - - ia64_udelay = &ia64_sn_udelay; -} diff --git a/ANDROID_3.4.5/arch/ia64/sn/kernel/sn2/timer_interrupt.c b/ANDROID_3.4.5/arch/ia64/sn/kernel/sn2/timer_interrupt.c deleted file mode 100644 index 103d6ea8..00000000 --- a/ANDROID_3.4.5/arch/ia64/sn/kernel/sn2/timer_interrupt.c +++ /dev/null @@ -1,60 +0,0 @@ -/* - * - * - * Copyright (c) 2005, 2006 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. - * - * For further information regarding this notice, see: - * - * http://oss.sgi.com/projects/GenInfo/NoticeExplan - */ - -#include <linux/interrupt.h> -#include <asm/sn/pda.h> -#include <asm/sn/leds.h> - -extern void sn_lb_int_war_check(void); -extern irqreturn_t timer_interrupt(int irq, void *dev_id, struct pt_regs *regs); - -#define SN_LB_INT_WAR_INTERVAL 100 - -void sn_timer_interrupt(int irq, void *dev_id) -{ - /* LED blinking */ - if (!pda->hb_count--) { - pda->hb_count = HZ / 2; - set_led_bits(pda->hb_state ^= - LED_CPU_HEARTBEAT, LED_CPU_HEARTBEAT); - } - - if (is_shub1()) { - if (enable_shub_wars_1_1()) { - /* Bugfix code for SHUB 1.1 */ - if (pda->pio_shub_war_cam_addr) - *pda->pio_shub_war_cam_addr = 0x8000000000000010UL; - } - if (pda->sn_lb_int_war_ticks == 0) - sn_lb_int_war_check(); - pda->sn_lb_int_war_ticks++; - if (pda->sn_lb_int_war_ticks >= SN_LB_INT_WAR_INTERVAL) - pda->sn_lb_int_war_ticks = 0; - } -} |