diff options
author | Linus Torvalds <torvalds@g5.osdl.org> | 2006-06-29 11:32:34 -0700 |
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committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-06-29 11:32:34 -0700 |
commit | 3aa590c6b7c89d844f81c2e96f295cf2c6967773 (patch) | |
tree | 6f18b295b1ff4cd7fd1880db6f56721599d64439 /arch/powerpc/platforms/iseries/lpevents.c | |
parent | 4d3ce21fa9d2eaeda113aa2f9c2da80d972bef64 (diff) | |
parent | 339d76c54336443f5050b00172beb675f35e3be0 (diff) |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc
* git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc: (43 commits)
[POWERPC] Use little-endian bit from firmware ibm,pa-features property
[POWERPC] Make sure smp_processor_id works very early in boot
[POWERPC] U4 DART improvements
[POWERPC] todc: add support for Time-Of-Day-Clock
[POWERPC] Make lparcfg.c work when both iseries and pseries are selected
[POWERPC] Fix idr locking in init_new_context
[POWERPC] mpc7448hpc2 (taiga) board config file
[POWERPC] Add tsi108 pci and platform device data register function
[POWERPC] Add general support for mpc7448hpc2 (Taiga) platform
[POWERPC] Correct the MAX_CONTEXT definition
powerpc: minor cleanups for mpc86xx
[POWERPC] Make sure we select CONFIG_NEW_LEDS if ADB_PMU_LED is set
[POWERPC] Simplify the code defining the 64-bit CPU features
[POWERPC] powerpc: kconfig warning fix
[POWERPC] Consolidate some of kernel/misc*.S
[POWERPC] Remove unused function call_with_mmu_off
[POWERPC] update asm-powerpc/time.h
[POWERPC] Clean up it_lp_queue.h
[POWERPC] Skip the "copy down" of the kernel if it is already at zero.
[POWERPC] Add the use of the firmware soft-reset-nmi to kdump.
...
Diffstat (limited to 'arch/powerpc/platforms/iseries/lpevents.c')
-rw-r--r-- | arch/powerpc/platforms/iseries/lpevents.c | 55 |
1 files changed, 28 insertions, 27 deletions
diff --git a/arch/powerpc/platforms/iseries/lpevents.c b/arch/powerpc/platforms/iseries/lpevents.c index 8ca7b939635..2a9f81ea27d 100644 --- a/arch/powerpc/platforms/iseries/lpevents.c +++ b/arch/powerpc/platforms/iseries/lpevents.c @@ -51,20 +51,21 @@ static unsigned lpEventHandlerPaths[HvLpEvent_Type_NumTypes]; static struct HvLpEvent * get_next_hvlpevent(void) { struct HvLpEvent * event; - event = (struct HvLpEvent *)hvlpevent_queue.xSlicCurEventPtr; + event = (struct HvLpEvent *)hvlpevent_queue.hq_current_event; if (hvlpevent_is_valid(event)) { /* rmb() needed only for weakly consistent machines (regatta) */ rmb(); /* Set pointer to next potential event */ - hvlpevent_queue.xSlicCurEventPtr += ((event->xSizeMinus1 + - LpEventAlign) / LpEventAlign) * LpEventAlign; + hvlpevent_queue.hq_current_event += ((event->xSizeMinus1 + + IT_LP_EVENT_ALIGN) / IT_LP_EVENT_ALIGN) * + IT_LP_EVENT_ALIGN; /* Wrap to beginning if no room at end */ - if (hvlpevent_queue.xSlicCurEventPtr > - hvlpevent_queue.xSlicLastValidEventPtr) { - hvlpevent_queue.xSlicCurEventPtr = - hvlpevent_queue.xSlicEventStackPtr; + if (hvlpevent_queue.hq_current_event > + hvlpevent_queue.hq_last_event) { + hvlpevent_queue.hq_current_event = + hvlpevent_queue.hq_event_stack; } } else { event = NULL; @@ -82,10 +83,10 @@ int hvlpevent_is_pending(void) if (smp_processor_id() >= spread_lpevents) return 0; - next_event = (struct HvLpEvent *)hvlpevent_queue.xSlicCurEventPtr; + next_event = (struct HvLpEvent *)hvlpevent_queue.hq_current_event; return hvlpevent_is_valid(next_event) || - hvlpevent_queue.xPlicOverflowIntPending; + hvlpevent_queue.hq_overflow_pending; } static void hvlpevent_clear_valid(struct HvLpEvent * event) @@ -95,18 +96,18 @@ static void hvlpevent_clear_valid(struct HvLpEvent * event) * ie. on 64-byte boundaries. */ struct HvLpEvent *tmp; - unsigned extra = ((event->xSizeMinus1 + LpEventAlign) / - LpEventAlign) - 1; + unsigned extra = ((event->xSizeMinus1 + IT_LP_EVENT_ALIGN) / + IT_LP_EVENT_ALIGN) - 1; switch (extra) { case 3: - tmp = (struct HvLpEvent*)((char*)event + 3 * LpEventAlign); + tmp = (struct HvLpEvent*)((char*)event + 3 * IT_LP_EVENT_ALIGN); hvlpevent_invalidate(tmp); case 2: - tmp = (struct HvLpEvent*)((char*)event + 2 * LpEventAlign); + tmp = (struct HvLpEvent*)((char*)event + 2 * IT_LP_EVENT_ALIGN); hvlpevent_invalidate(tmp); case 1: - tmp = (struct HvLpEvent*)((char*)event + 1 * LpEventAlign); + tmp = (struct HvLpEvent*)((char*)event + 1 * IT_LP_EVENT_ALIGN); hvlpevent_invalidate(tmp); } @@ -120,7 +121,7 @@ void process_hvlpevents(struct pt_regs *regs) struct HvLpEvent * event; /* If we have recursed, just return */ - if (!spin_trylock(&hvlpevent_queue.lock)) + if (!spin_trylock(&hvlpevent_queue.hq_lock)) return; for (;;) { @@ -148,17 +149,17 @@ void process_hvlpevents(struct pt_regs *regs) printk(KERN_INFO "Unexpected Lp Event type=%d\n", event->xType ); hvlpevent_clear_valid(event); - } else if (hvlpevent_queue.xPlicOverflowIntPending) + } else if (hvlpevent_queue.hq_overflow_pending) /* * No more valid events. If overflow events are * pending process them */ - HvCallEvent_getOverflowLpEvents(hvlpevent_queue.xIndex); + HvCallEvent_getOverflowLpEvents(hvlpevent_queue.hq_index); else break; } - spin_unlock(&hvlpevent_queue.lock); + spin_unlock(&hvlpevent_queue.hq_lock); } static int set_spread_lpevents(char *str) @@ -184,20 +185,20 @@ void setup_hvlpevent_queue(void) { void *eventStack; - spin_lock_init(&hvlpevent_queue.lock); + spin_lock_init(&hvlpevent_queue.hq_lock); /* Allocate a page for the Event Stack. */ - eventStack = alloc_bootmem_pages(LpEventStackSize); - memset(eventStack, 0, LpEventStackSize); + eventStack = alloc_bootmem_pages(IT_LP_EVENT_STACK_SIZE); + memset(eventStack, 0, IT_LP_EVENT_STACK_SIZE); /* Invoke the hypervisor to initialize the event stack */ - HvCallEvent_setLpEventStack(0, eventStack, LpEventStackSize); + HvCallEvent_setLpEventStack(0, eventStack, IT_LP_EVENT_STACK_SIZE); - hvlpevent_queue.xSlicEventStackPtr = (char *)eventStack; - hvlpevent_queue.xSlicCurEventPtr = (char *)eventStack; - hvlpevent_queue.xSlicLastValidEventPtr = (char *)eventStack + - (LpEventStackSize - LpEventMaxSize); - hvlpevent_queue.xIndex = 0; + hvlpevent_queue.hq_event_stack = eventStack; + hvlpevent_queue.hq_current_event = eventStack; + hvlpevent_queue.hq_last_event = (char *)eventStack + + (IT_LP_EVENT_STACK_SIZE - IT_LP_EVENT_MAX_SIZE); + hvlpevent_queue.hq_index = 0; } /* Register a handler for an LpEvent type */ |