diff options
| author | David Woodhouse <David.Woodhouse@intel.com> | 2008-10-13 12:13:56 -0400 |
|---|---|---|
| committer | David Woodhouse <David.Woodhouse@intel.com> | 2008-10-13 12:13:56 -0400 |
| commit | e758936e02700ff88a0b08b722a3847b95283ef2 (patch) | |
| tree | 50c919bef1b459a778b85159d5929de95b6c4a01 /arch/sparc64/kernel/sstate.c | |
| parent | 239cfbde1f5843c4a24199f117d5f67f637d72d5 (diff) | |
| parent | 4480f15b3306f43bbb0310d461142b4e897ca45b (diff) | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts:
include/asm-x86/statfs.h
Diffstat (limited to 'arch/sparc64/kernel/sstate.c')
| -rw-r--r-- | arch/sparc64/kernel/sstate.c | 67 |
1 files changed, 45 insertions, 22 deletions
diff --git a/arch/sparc64/kernel/sstate.c b/arch/sparc64/kernel/sstate.c index 5b6e75b7f052..8cdbe5946b43 100644 --- a/arch/sparc64/kernel/sstate.c +++ b/arch/sparc64/kernel/sstate.c | |||
| @@ -1,14 +1,15 @@ | |||
| 1 | /* sstate.c: System soft state support. | 1 | /* sstate.c: System soft state support. |
| 2 | * | 2 | * |
| 3 | * Copyright (C) 2007 David S. Miller <davem@davemloft.net> | 3 | * Copyright (C) 2007, 2008 David S. Miller <davem@davemloft.net> |
| 4 | */ | 4 | */ |
| 5 | 5 | ||
| 6 | #include <linux/kernel.h> | 6 | #include <linux/kernel.h> |
| 7 | #include <linux/notifier.h> | 7 | #include <linux/notifier.h> |
| 8 | #include <linux/reboot.h> | ||
| 8 | #include <linux/init.h> | 9 | #include <linux/init.h> |
| 9 | 10 | ||
| 10 | #include <asm/hypervisor.h> | 11 | #include <asm/hypervisor.h> |
| 11 | #include <asm/sstate.h> | 12 | #include <asm/spitfire.h> |
| 12 | #include <asm/oplib.h> | 13 | #include <asm/oplib.h> |
| 13 | #include <asm/head.h> | 14 | #include <asm/head.h> |
| 14 | #include <asm/io.h> | 15 | #include <asm/io.h> |
| @@ -50,31 +51,34 @@ static const char rebooting_msg[32] __attribute__((aligned(32))) = | |||
| 50 | static const char panicing_msg[32] __attribute__((aligned(32))) = | 51 | static const char panicing_msg[32] __attribute__((aligned(32))) = |
| 51 | "Linux panicing"; | 52 | "Linux panicing"; |
| 52 | 53 | ||
| 53 | void sstate_booting(void) | 54 | static int sstate_reboot_call(struct notifier_block *np, unsigned long type, void *_unused) |
| 54 | { | 55 | { |
| 55 | do_set_sstate(HV_SOFT_STATE_TRANSITION, booting_msg); | 56 | const char *msg; |
| 56 | } | ||
| 57 | 57 | ||
| 58 | void sstate_running(void) | 58 | switch (type) { |
| 59 | { | 59 | case SYS_DOWN: |
| 60 | do_set_sstate(HV_SOFT_STATE_NORMAL, running_msg); | 60 | default: |
| 61 | } | 61 | msg = rebooting_msg; |
| 62 | break; | ||
| 62 | 63 | ||
| 63 | void sstate_halt(void) | 64 | case SYS_HALT: |
| 64 | { | 65 | msg = halting_msg; |
| 65 | do_set_sstate(HV_SOFT_STATE_TRANSITION, halting_msg); | 66 | break; |
| 66 | } | ||
| 67 | 67 | ||
| 68 | void sstate_poweroff(void) | 68 | case SYS_POWER_OFF: |
| 69 | { | 69 | msg = poweroff_msg; |
| 70 | do_set_sstate(HV_SOFT_STATE_TRANSITION, poweroff_msg); | 70 | break; |
| 71 | } | 71 | } |
| 72 | 72 | ||
| 73 | void sstate_reboot(void) | 73 | do_set_sstate(HV_SOFT_STATE_TRANSITION, msg); |
| 74 | { | 74 | |
| 75 | do_set_sstate(HV_SOFT_STATE_TRANSITION, rebooting_msg); | 75 | return NOTIFY_OK; |
| 76 | } | 76 | } |
| 77 | 77 | ||
| 78 | static struct notifier_block sstate_reboot_notifier = { | ||
| 79 | .notifier_call = sstate_reboot_call, | ||
| 80 | }; | ||
| 81 | |||
| 78 | static int sstate_panic_event(struct notifier_block *n, unsigned long event, void *ptr) | 82 | static int sstate_panic_event(struct notifier_block *n, unsigned long event, void *ptr) |
| 79 | { | 83 | { |
| 80 | do_set_sstate(HV_SOFT_STATE_TRANSITION, panicing_msg); | 84 | do_set_sstate(HV_SOFT_STATE_TRANSITION, panicing_msg); |
| @@ -87,18 +91,37 @@ static struct notifier_block sstate_panic_block = { | |||
| 87 | .priority = INT_MAX, | 91 | .priority = INT_MAX, |
| 88 | }; | 92 | }; |
| 89 | 93 | ||
| 90 | void __init sun4v_sstate_init(void) | 94 | static int __init sstate_init(void) |
| 91 | { | 95 | { |
| 92 | unsigned long major, minor; | 96 | unsigned long major, minor; |
| 93 | 97 | ||
| 98 | if (tlb_type != hypervisor) | ||
| 99 | return 0; | ||
| 100 | |||
| 94 | major = 1; | 101 | major = 1; |
| 95 | minor = 0; | 102 | minor = 0; |
| 96 | if (sun4v_hvapi_register(HV_GRP_SOFT_STATE, major, &minor)) | 103 | if (sun4v_hvapi_register(HV_GRP_SOFT_STATE, major, &minor)) |
| 97 | return; | 104 | return 0; |
| 98 | 105 | ||
| 99 | hv_supports_soft_state = 1; | 106 | hv_supports_soft_state = 1; |
| 100 | 107 | ||
| 101 | prom_sun4v_guest_soft_state(); | 108 | prom_sun4v_guest_soft_state(); |
| 109 | |||
| 110 | do_set_sstate(HV_SOFT_STATE_TRANSITION, booting_msg); | ||
| 111 | |||
| 102 | atomic_notifier_chain_register(&panic_notifier_list, | 112 | atomic_notifier_chain_register(&panic_notifier_list, |
| 103 | &sstate_panic_block); | 113 | &sstate_panic_block); |
| 114 | register_reboot_notifier(&sstate_reboot_notifier); | ||
| 115 | |||
| 116 | return 0; | ||
| 104 | } | 117 | } |
| 118 | |||
| 119 | core_initcall(sstate_init); | ||
| 120 | |||
| 121 | static int __init sstate_running(void) | ||
| 122 | { | ||
| 123 | do_set_sstate(HV_SOFT_STATE_NORMAL, running_msg); | ||
| 124 | return 0; | ||
| 125 | } | ||
| 126 | |||
| 127 | late_initcall(sstate_running); | ||
