diff options
55 files changed, 298 insertions, 1155 deletions
diff --git a/arch/powerpc/kernel/Makefile b/arch/powerpc/kernel/Makefile index bbfa1bd..a94699d 100644 --- a/arch/powerpc/kernel/Makefile +++ b/arch/powerpc/kernel/Makefile @@ -11,7 +11,8 @@ CFLAGS_btext.o += -fPIC endif obj-y := semaphore.o cputable.o ptrace.o syscalls.o \ - irq.o align.o signal_32.o pmc.o vdso.o + irq.o align.o signal_32.o pmc.o vdso.o \ + init_task.o process.o obj-y += vdso32/ obj-$(CONFIG_PPC64) += setup_64.o binfmt_elf32.o sys_ppc32.o \ signal_64.o ptrace32.o systbl.o \ @@ -44,8 +45,7 @@ extra-$(CONFIG_FSL_BOOKE) := head_fsl_booke.o extra-$(CONFIG_8xx) := head_8xx.o extra-y += vmlinux.lds -obj-y += process.o init_task.o time.o \ - prom.o traps.o setup-common.o udbg.o +obj-y += time.o prom.o traps.o setup-common.o udbg.o obj-$(CONFIG_PPC32) += entry_32.o setup_32.o misc_32.o systbl.o obj-$(CONFIG_PPC64) += misc_64.o dma_64.o iommu.o obj-$(CONFIG_PPC_MULTIPLATFORM) += prom_init.o diff --git a/arch/powerpc/kernel/pci_64.c b/arch/powerpc/kernel/pci_64.c index 24fe70f..c367520 100644 --- a/arch/powerpc/kernel/pci_64.c +++ b/arch/powerpc/kernel/pci_64.c @@ -53,6 +53,7 @@ EXPORT_SYMBOL(io_page_mask); #ifdef CONFIG_PPC_MULTIPLATFORM static void fixup_resource(struct resource *res, struct pci_dev *dev); static void do_bus_setup(struct pci_bus *bus); +static void phbs_remap_io(void); #endif /* pci_io_base -- the base address from which io bars are offsets. @@ -251,6 +252,7 @@ void pcibios_free_controller(struct pci_controller *phb) kfree(phb); } +#ifndef CONFIG_PPC_ISERIES void __devinit pcibios_claim_one_bus(struct pci_bus *b) { struct pci_dev *dev; @@ -275,7 +277,6 @@ void __devinit pcibios_claim_one_bus(struct pci_bus *b) EXPORT_SYMBOL_GPL(pcibios_claim_one_bus); #endif -#ifndef CONFIG_PPC_ISERIES static void __init pcibios_claim_of_setup(void) { struct pci_bus *b; @@ -1218,7 +1219,7 @@ int remap_bus_range(struct pci_bus *bus) } EXPORT_SYMBOL(remap_bus_range); -void phbs_remap_io(void) +static void phbs_remap_io(void) { struct pci_controller *hose, *tmp; diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c index 1f816f0..5770399 100644 --- a/arch/powerpc/kernel/process.c +++ b/arch/powerpc/kernel/process.c @@ -201,13 +201,13 @@ int dump_spe(struct pt_regs *regs, elf_vrregset_t *evrregs) } #endif /* CONFIG_SPE */ +#ifndef CONFIG_SMP /* * If we are doing lazy switching of CPU state (FP, altivec or SPE), * and the current task has some state, discard it. */ -static inline void discard_lazy_cpu_state(void) +void discard_lazy_cpu_state(void) { -#ifndef CONFIG_SMP preempt_disable(); if (last_task_used_math == current) last_task_used_math = NULL; @@ -220,9 +220,10 @@ static inline void discard_lazy_cpu_state(void) last_task_used_spe = NULL; #endif preempt_enable(); -#endif /* CONFIG_SMP */ } +#endif /* CONFIG_SMP */ +#ifdef CONFIG_PPC_MERGE /* XXX for now */ int set_dabr(unsigned long dabr) { if (ppc_md.set_dabr) @@ -231,6 +232,7 @@ int set_dabr(unsigned long dabr) mtspr(SPRN_DABR, dabr); return 0; } +#endif #ifdef CONFIG_PPC64 DEFINE_PER_CPU(struct cpu_usage, cpu_usage_array); diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c index 34ab0da..02e2115 100644 --- a/arch/powerpc/kernel/prom.c +++ b/arch/powerpc/kernel/prom.c @@ -1100,17 +1100,37 @@ static int __init early_init_dt_scan_memory(unsigned long node, static void __init early_reserve_mem(void) { - unsigned long base, size; - unsigned long *reserve_map; + u64 base, size; + u64 *reserve_map; - reserve_map = (unsigned long *)(((unsigned long)initial_boot_params) + + reserve_map = (u64 *)(((unsigned long)initial_boot_params) + initial_boot_params->off_mem_rsvmap); +#ifdef CONFIG_PPC32 + /* + * Handle the case where we might be booting from an old kexec + * image that setup the mem_rsvmap as pairs of 32-bit values + */ + if (*reserve_map > 0xffffffffull) { + u32 base_32, size_32; + u32 *reserve_map_32 = (u32 *)reserve_map; + + while (1) { + base_32 = *(reserve_map_32++); + size_32 = *(reserve_map_32++); + if (size_32 == 0) + break; + DBG("reserving: %lx -> %lx\n", base_32, size_32); + lmb_reserve(base_32, size_32); + } + return; + } +#endif while (1) { base = *(reserve_map++); size = *(reserve_map++); if (size == 0) break; - DBG("reserving: %lx -> %lx\n", base, size); + DBG("reserving: %llx -> %llx\n", base, size); lmb_reserve(base, size); } diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c index e381f2f..d963a12 100644 --- a/arch/powerpc/kernel/prom_init.c +++ b/arch/powerpc/kernel/prom_init.c @@ -137,8 +137,8 @@ struct prom_t { }; struct mem_map_entry { - unsigned long base; - unsigned long size; + u64 base; + u64 size; }; typedef u32 cell_t; @@ -897,9 +897,9 @@ static unsigned long __init prom_next_cell(int s, cell_t **cellp) * If problems seem to show up, it would be a good start to track * them down. */ -static void reserve_mem(unsigned long base, unsigned long size) +static void reserve_mem(u64 base, u64 size) { - unsigned long top = base + size; + u64 top = base + size; unsigned long cnt = RELOC(mem_reserve_cnt); if (size == 0) diff --git a/arch/powerpc/kernel/signal_32.c b/arch/powerpc/kernel/signal_32.c index d3f0b6d..177bba7 100644 --- a/arch/powerpc/kernel/signal_32.c +++ b/arch/powerpc/kernel/signal_32.c @@ -497,6 +497,15 @@ static long restore_user_regs(struct pt_regs *regs, if (err) return 1; + /* + * Do this before updating the thread state in + * current->thread.fpr/vr/evr. That way, if we get preempted + * and another task grabs the FPU/Altivec/SPE, it won't be + * tempted to save the current CPU state into the thread_struct + * and corrupt what we are writing there. + */ + discard_lazy_cpu_state(); + /* force the process to reload the FP registers from current->thread when it next does FP instructions */ regs->msr &= ~(MSR_FP | MSR_FE0 | MSR_FE1); @@ -538,18 +547,6 @@ static long restore_user_regs(struct pt_regs *regs, return 1; #endif /* CONFIG_SPE */ -#ifndef CONFIG_SMP - preempt_disable(); - if (last_task_used_math == current) - last_task_used_math = NULL; - if (last_task_used_altivec == current) - last_task_used_altivec = NULL; -#ifdef CONFIG_SPE - if (last_task_used_spe == current) - last_task_used_spe = NULL; -#endif - preempt_enable(); -#endif return 0; } diff --git a/arch/powerpc/kernel/signal_64.c b/arch/powerpc/kernel/signal_64.c index 5462bef..7b9d999 100644 --- a/arch/powerpc/kernel/signal_64.c +++ b/arch/powerpc/kernel/signal_64.c @@ -207,10 +207,20 @@ static long restore_sigcontext(struct pt_regs *regs, sigset_t *set, int sig, if (!sig) regs->gpr[13] = save_r13; - err |= __copy_from_user(¤t->thread.fpr, &sc->fp_regs, FP_REGS_SIZE); if (set != NULL) err |= __get_user(set->sig[0], &sc->oldmask); + /* + * Do this before updating the thread state in + * current->thread.fpr/vr. That way, if we get preempted + * and another task grabs the FPU/Altivec, it won't be + * tempted to save the current CPU state into the thread_struct + * and corrupt what we are writing there. + */ + discard_lazy_cpu_state(); + + err |= __copy_from_user(¤t->thread.fpr, &sc->fp_regs, FP_REGS_SIZE); + #ifdef CONFIG_ALTIVEC err |= __get_user(v_regs, &sc->v_regs); err |= __get_user(msr, &sc->gp_regs[PT_MSR]); @@ -229,14 +239,6 @@ static long restore_sigcontext(struct pt_regs *regs, sigset_t *set, int sig, current->thread.vrsave = 0; #endif /* CONFIG_ALTIVEC */ -#ifndef CONFIG_SMP - preempt_disable(); - if (last_task_used_math == current) - last_task_used_math = NULL; - if (last_task_used_altivec == current) - last_task_used_altivec = NULL; - preempt_enable(); -#endif /* Force reload of FP/VEC */ regs->msr &= ~(MSR_FP | MSR_FE0 | MSR_FE1 | MSR_VEC); diff --git a/arch/powerpc/platforms/cell/pervasive.c b/arch/powerpc/platforms/cell/pervasive.c index 85152544..e0e051c 100644 --- a/arch/powerpc/platforms/cell/pervasive.c +++ b/arch/powerpc/platforms/cell/pervasive.c @@ -142,7 +142,7 @@ static void cbe_idle(void) } } -int cbe_system_reset_exception(struct pt_regs *regs) +static int cbe_system_reset_exception(struct pt_regs *regs) { switch (regs->msr & SRR1_WAKEMASK) { case SRR1_WAKEEE: diff --git a/arch/powerpc/platforms/cell/setup.c b/arch/powerpc/platforms/cell/setup.c index 18e25e6..b33a444 100644 --- a/arch/powerpc/platforms/cell/setup.c +++ b/arch/powerpc/platforms/cell/setup.c @@ -57,7 +57,7 @@ #define DBG(fmt...) #endif -void cell_show_cpuinfo(struct seq_file *m) +static void cell_show_cpuinfo(struct seq_file *m) { struct device_node *root; const char *model = ""; diff --git a/arch/powerpc/platforms/cell/spufs/syscalls.c b/arch/powerpc/platforms/cell/spufs/syscalls.c index d549aa7..e6565a9 100644 --- a/arch/powerpc/platforms/cell/spufs/syscalls.c +++ b/arch/powerpc/platforms/cell/spufs/syscalls.c @@ -29,7 +29,9 @@ * value of the spu_status register after the SPU has stopped. * */ -long do_spu_run(struct file *filp, __u32 __user *unpc, __u32 __user *ustatus) +static long do_spu_run(struct file *filp, + __u32 __user *unpc, + __u32 __user *ustatus) { long ret; struct spufs_inode_info *i; diff --git a/arch/powerpc/platforms/iseries/Makefile b/arch/powerpc/platforms/iseries/Makefile index 127b465..ce8c0b9 100644 --- a/arch/powerpc/platforms/iseries/Makefile +++ b/arch/powerpc/platforms/iseries/Makefile @@ -1,8 +1,8 @@ EXTRA_CFLAGS += -mno-minimal-toc obj-y += hvlog.o hvlpconfig.o lpardata.o setup.o mf.o lpevents.o \ - hvcall.o proc.o htab.o iommu.o misc.o -obj-$(CONFIG_PCI) += pci.o irq.o vpdinfo.o + hvcall.o proc.o htab.o iommu.o misc.o irq.o +obj-$(CONFIG_PCI) += pci.o vpdinfo.o obj-$(CONFIG_IBMVIO) += vio.o obj-$(CONFIG_SMP) += smp.o obj-$(CONFIG_VIOPATH) += viopath.o diff --git a/arch/powerpc/platforms/iseries/iommu.c b/arch/powerpc/platforms/iseries/iommu.c index 2b54eeb..bea0b70 100644 --- a/arch/powerpc/platforms/iseries/iommu.c +++ b/arch/powerpc/platforms/iseries/iommu.c @@ -34,6 +34,8 @@ #include <asm/pci-bridge.h> #include <asm/iseries/hv_call_xm.h> +#include "iommu.h" + extern struct list_head iSeries_Global_Device_List; diff --git a/arch/powerpc/platforms/iseries/iommu.h b/arch/powerpc/platforms/iseries/iommu.h new file mode 100644 index 0000000..cb5658f --- /dev/null +++ b/arch/powerpc/platforms/iseries/iommu.h @@ -0,0 +1,35 @@ +#ifndef _PLATFORMS_ISERIES_IOMMU_H +#define _PLATFORMS_ISERIES_IOMMU_H + +/* + * Copyright (C) 2005 Stephen Rothwell, IBM Corporation + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the: + * Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, + * Boston, MA 02111-1307 USA + */ + +struct device_node; +struct iommu_table; + +/* Creates table for an individual device node */ +extern void iommu_devnode_init_iSeries(struct device_node *dn); + +/* Get table parameters from HV */ +extern void iommu_table_getparms_iSeries(unsigned long busno, + unsigned char slotno, unsigned char virtbus, + struct iommu_table *tbl); + +#endif /* _PLATFORMS_ISERIES_IOMMU_H */ diff --git a/arch/powerpc/platforms/iseries/irq.c b/arch/powerpc/platforms/iseries/irq.c index 42e978e..83442ea 100644 --- a/arch/powerpc/platforms/iseries/irq.c +++ b/arch/powerpc/platforms/iseries/irq.c @@ -48,6 +48,8 @@ extern void iSeries_smp_message_recv(struct pt_regs *); #endif +#ifdef CONFIG_PCI + enum pci_event_type { pe_bus_created = 0, /* PHB has been created */ pe_bus_error = 1, /* PHB has failed */ @@ -147,20 +149,11 @@ static void int_received(struct pci_event *event, struct pt_regs *regs) static void pci_event_handler(struct HvLpEvent *event, struct pt_regs *regs) { if (event && (event->xType == HvLpEvent_Type_PciIo)) { - switch (event->xFlags.xFunction) { - case HvLpEvent_Function_Int: + if (hvlpevent_is_int(event)) int_received((struct pci_event *)event, regs); - break; - case HvLpEvent_Function_Ack: + else printk(KERN_ERR "pci_event_handler: unexpected ack received\n"); - break; - default: - printk(KERN_ERR - "pci_event_handler: unexpected event function %d\n", - (int)event->xFlags.xFunction); - break; - } } else if (event) printk(KERN_ERR "pci_event_handler: Unrecognized PCI event type 0x%x\n", @@ -334,6 +327,8 @@ int __init iSeries_allocate_IRQ(HvBusNumber bus, return virtirq; } +#endif /* CONFIG_PCI */ + /* * Get the next pending IRQ. */ @@ -353,6 +348,7 @@ int iSeries_get_irq(struct pt_regs *regs) if (hvlpevent_is_pending()) process_hvlpevents(regs); +#ifdef CONFIG_PCI if (num_pending_irqs) { spin_lock(&pending_irqs_lock); for (irq = 0; irq < NR_IRQS; irq++) { @@ -366,6 +362,7 @@ int iSeries_get_irq(struct pt_regs *regs) if (irq >= NR_IRQS) irq = -2; } +#endif return irq; } diff --git a/arch/powerpc/platforms/iseries/lpardata.c b/arch/powerpc/platforms/iseries/lpardata.c index ea72385..438e2db 100644 --- a/arch/powerpc/platforms/iseries/lpardata.c +++ b/arch/powerpc/platforms/iseries/lpardata.c @@ -93,10 +93,7 @@ struct ItLpNaca itLpNaca = { .xPirEnvironMode = 0, /* Piranha stuff */ .xPirConsoleMode = 0, .xPirDasdMode = 0, - .xLparInstalled = 0, - .xSysPartitioned = 0, - .xHwSyncedTBs = 0, - .xIntProcUtilHmt = 0, + .flags = 0, .xSpVpdFormat = 0, .xIntProcRatio = 0, .xPlicVrmIndex = 0, /* VRM index of PLIC */ diff --git a/arch/powerpc/platforms/iseries/lpevents.c b/arch/powerpc/platforms/iseries/lpevents.c index e9fb98b..0b88530 100644 --- a/arch/powerpc/platforms/iseries/lpevents.c +++ b/arch/powerpc/platforms/iseries/lpevents.c @@ -53,7 +53,7 @@ static struct HvLpEvent * get_next_hvlpevent(void) struct HvLpEvent * event; event = (struct HvLpEvent *)hvlpevent_queue.xSlicCurEventPtr; - if (event->xFlags.xValid) { + if (hvlpevent_is_valid(event)) { /* rmb() needed only for weakly consistent machines (regatta) */ rmb(); /* Set pointer to next potential event */ @@ -84,7 +84,7 @@ int hvlpevent_is_pending(void) next_event = (struct HvLpEvent *)hvlpevent_queue.xSlicCurEventPtr; - return next_event->xFlags.xValid | + return hvlpevent_is_valid(next_event) || hvlpevent_queue.xPlicOverflowIntPending; } @@ -101,18 +101,18 @@ static void hvlpevent_clear_valid(struct HvLpEvent * event) switch (extra) { case 3: tmp = (struct HvLpEvent*)((char*)event + 3 * LpEventAlign); - tmp->xFlags.xValid = 0; + hvlpevent_invalidate(tmp); case 2: tmp = (struct HvLpEvent*)((char*)event + 2 * LpEventAlign); - tmp->xFlags.xValid = 0; + hvlpevent_invalidate(tmp); case 1: tmp = (struct HvLpEvent*)((char*)event + 1 * LpEventAlign); - tmp->xFlags.xValid = 0; + hvlpevent_invalidate(tmp); } mb(); - event->xFlags.xValid = 0; + hvlpevent_invalidate(event); } void process_hvlpevents(struct pt_regs *regs) diff --git a/arch/powerpc/platforms/iseries/mf.c b/arch/powerpc/platforms/iseries/mf.c index 49e7e4b..a41d8b7 100644 --- a/arch/powerpc/platforms/iseries/mf.c +++ b/arch/powerpc/platforms/iseries/mf.c @@ -251,10 +251,7 @@ static struct pending_event *new_pending_event(void) } memset(ev, 0, sizeof(struct pending_event)); hev = &ev->event.hp_lp_event; - hev->xFlags.xValid = 1; - hev->xFlags.xAckType = HvLpEvent_AckType_ImmediateAck; - hev->xFlags.xAckInd = HvLpEvent_AckInd_DoAck; - hev->xFlags.xFunction = HvLpEvent_Function_Int; + hev->flags = HV_LP_EVENT_VALID | HV_LP_EVENT_DO_ACK | HV_LP_EVENT_INT; hev->xType = HvLpEvent_Type_MachineFac; hev->xSourceLp = HvLpConfig_getLpIndex(); hev->xTargetLp = primary_lp; @@ -518,17 +515,10 @@ static void handle_ack(struct io_mf_lp_event *event) static void hv_handler(struct HvLpEvent *event, struct pt_regs *regs) { if ((event != NULL) && (event->xType == HvLpEvent_Type_MachineFac)) { - switch(event->xFlags.xFunction) { - case HvLpEvent_Function_Ack: + if (hvlpevent_is_ack(event)) handle_ack((struct io_mf_lp_event *)event); - break; - case HvLpEvent_Function_Int: + else handle_int((struct io_mf_lp_event *)event); - break; - default: - printk(KERN_ERR "mf.c: non ack/int event received\n"); - break; - } } else printk(KERN_ERR "mf.c: alien event received\n"); } diff --git a/arch/powerpc/platforms/iseries/pci.c b/arch/powerpc/platforms/iseries/pci.c index dafc518..a19833b 100644 --- a/arch/powerpc/platforms/iseries/pci.c +++ b/arch/powerpc/platforms/iseries/pci.c @@ -43,6 +43,7 @@ #include "irq.h" #include "pci.h" #include "call_pci.h" +#include "iommu.h" extern unsigned long io_page_mask; diff --git a/arch/powerpc/platforms/iseries/vio.c b/arch/powerpc/platforms/iseries/vio.c index 384360e..ad36ab0 100644 --- a/arch/powerpc/platforms/iseries/vio.c +++ b/arch/powerpc/platforms/iseries/vio.c @@ -22,6 +22,8 @@ #include <asm/iseries/hv_lp_config.h> #include <asm/iseries/hv_call_xm.h> +#include "iommu.h" + struct device *iSeries_vio_dev = &vio_bus_device.dev; EXPORT_SYMBOL(iSeries_vio_dev); diff --git a/arch/powerpc/platforms/iseries/viopath.c b/arch/powerpc/platforms/iseries/viopath.c index 84267269..622a301 100644 --- a/arch/powerpc/platforms/iseries/viopath.c +++ b/arch/powerpc/platforms/iseries/viopath.c @@ -270,7 +270,7 @@ static void handleMonitorEvent(struct HvLpEvent *event) * First see if this is just a normal monitor message from the * other partition */ - if (event->xFlags.xFunction == HvLpEvent_Function_Int) { + if (hvlpevent_is_int(event)) { remoteLp = event->xSourceLp; if (!viopathStatus[remoteLp].isActive) sendMonMsg(remoteLp); @@ -331,13 +331,12 @@ static void handleConfig(struct HvLpEvent *event) { if (!event) return; - if (event->xFlags.xFunction == HvLpEvent_Function_Int) { + if (hvlpevent_is_int(event)) { printk(VIOPATH_KERN_WARN "unexpected config request from partition %d", event->xSourceLp); - if ((event->xFlags.xFunction == HvLpEvent_Function_Int) && - (event->xFlags.xAckInd == HvLpEvent_AckInd_DoAck)) { + if (hvlpevent_need_ack(event)) { event->xRc = HvLpEvent_Rc_InvalidSubtype; HvCallEvent_ackLpEvent(event); } @@ -377,7 +376,7 @@ static void vio_handleEvent(struct HvLpEvent *event, struct pt_regs *regs) int subtype = (event->xSubtype & VIOMAJOR_SUBTYPE_MASK) >> VIOMAJOR_SUBTYPE_SHIFT; - if (event->xFlags.xFunction == HvLpEvent_Function_Int) { + if (hvlpevent_is_int(event)) { remoteLp = event->xSourceLp; /* * The isActive is checked because if the hosting partition @@ -436,8 +435,7 @@ static void vio_handleEvent(struct HvLpEvent *event, struct pt_regs *regs) "unexpected virtual io event subtype %d from partition %d\n", event->xSubtype, remoteLp); /* No handler. Ack if necessary */ - if ((event->xFlags.xFunction == HvLpEvent_Function_Int) && - (event->xFlags.xAckInd == HvLpEvent_AckInd_DoAck)) { + if (hvlpevent_is_int(event) && hvlpevent_need_ack(event)) { event->xRc = HvLpEvent_Rc_InvalidSubtype; HvCallEvent_ackLpEvent(event); } diff --git a/arch/powerpc/platforms/powermac/setup.c b/arch/powerpc/platforms/powermac/setup.c index 3b1a9d4..89c4c36 100644 --- a/arch/powerpc/platforms/powermac/setup.c +++ b/arch/powerpc/platforms/powermac/setup.c @@ -278,7 +278,7 @@ static void __init l2cr_init(void) } #endif -void __init pmac_setup_arch(void) +static void __init pmac_setup_arch(void) { struct device_node *cpu, *ic; int *fp; diff --git a/arch/powerpc/platforms/pseries/eeh.c b/arch/powerpc/platforms/pseries/eeh.c index 17cea7f..8357831 100644 --- a/arch/powerpc/platforms/pseries/eeh.c +++ b/arch/powerpc/platforms/pseries/eeh.c @@ -208,10 +208,11 @@ static void __eeh_mark_slot (struct device_node *dn, int mode_flag) { while (dn) { if (PCI_DN(dn)) { - PCI_DN(dn)->eeh_mode |= mode_flag; - /* Mark the pci device driver too */ struct pci_dev *dev = PCI_DN(dn)->pcidev; + + PCI_DN(dn)->eeh_mode |= mode_flag; + if (dev && dev->driver) dev->error_state = pci_channel_io_frozen; diff --git a/arch/powerpc/platforms/pseries/hvcserver.c b/arch/powerpc/platforms/pseries/hvcserver.c index 4d58417..22bfb5c 100644 --- a/arch/powerpc/platforms/pseries/hvcserver.c +++ b/arch/powerpc/platforms/pseries/hvcserver.c @@ -40,7 +40,7 @@ MODULE_VERSION(HVCS_ARCH_VERSION); * functions aren't performance sensitive, so this conversion isn't an * issue. */ -int hvcs_convert(long to_convert) +static int hvcs_convert(long to_convert) { switch (to_convert) { case H_Success: @@ -91,7 +91,7 @@ int hvcs_free_partner_info(struct list_head *head) EXPORT_SYMBOL(hvcs_free_partner_info); /* Helper function for hvcs_get_partner_info */ -int hvcs_next_partner(uint32_t unit_address, +static int hvcs_next_partner(uint32_t unit_address, unsigned long last_p_partition_ID, unsigned long last_p_unit_address, unsigned long *pi_buff) diff --git a/arch/powerpc/platforms/pseries/iommu.c b/arch/powerpc/platforms/pseries/iommu.c index 169f914..48cfbfc 100644 --- a/arch/powerpc/platforms/pseries/iommu.c +++ b/arch/powerpc/platforms/pseries/iommu.c @@ -51,8 +51,6 @@ #define DBG(fmt...) -extern int is_python(struct device_node *); - static void tce_build_pSeries(struct iommu_table *tbl, long index, long npages, unsigned long uaddr, enum dma_data_direction direction) diff --git a/arch/powerpc/platforms/pseries/scanlog.c b/arch/powerpc/platforms/pseries/scanlog.c index 2edc947..5064349 100644 --- a/arch/powerpc/platforms/pseries/scanlog.c +++ b/arch/powerpc/platforms/pseries/scanlog.c @@ -192,7 +192,7 @@ struct file_operations scanlog_fops = { .release = scanlog_release, }; -int __init scanlog_init(void) +static int __init scanlog_init(void) { struct proc_dir_entry *ent; @@ -222,7 +222,7 @@ int __init scanlog_init(void) return 0; } -void __exit scanlog_cleanup(void) +static void __exit scanlog_cleanup(void) { if (proc_ppc64_scan_log_dump) { kfree(proc_ppc64_scan_log_dump->data); diff --git a/arch/powerpc/platforms/pseries/setup.c b/arch/powerpc/platforms/pseries/setup.c index 8903cf6..68b7f08 100644 --- a/arch/powerpc/platforms/pseries/setup.c +++ b/arch/powerpc/platforms/pseries/setup.c @@ -86,7 +86,7 @@ static void pseries_dedicated_idle(void); struct mpic *pSeries_mpic; -void pSeries_show_cpuinfo(struct seq_file *m) +static void pSeries_show_cpuinfo(struct seq_file *m) { struct device_node *root; const char *model = ""; diff --git a/arch/powerpc/platforms/pseries/smp.c b/arch/powerpc/platforms/pseries/smp.c index 2f543ce..8e6b1ed 100644 --- a/arch/powerpc/platforms/pseries/smp.c +++ b/arch/powerpc/platforms/pseries/smp.c @@ -93,7 +93,7 @@ static int query_cpu_stopped(unsigned int pcpu) return cpu_status; } -int pSeries_cpu_disable(void) +static int pSeries_cpu_disable(void) { int cpu = smp_processor_id(); @@ -109,7 +109,7 @@ int pSeries_cpu_disable(void) return 0; } -void pSeries_cpu_die(unsigned int cpu) +static void pSeries_cpu_die(unsigned int cpu) { int tries; int cpu_status; diff --git a/arch/powerpc/platforms/pseries/xics.c b/arch/powerpc/platforms/pseries/xics.c index 0c0cfa3..fd823c7 100644 --- a/arch/powerpc/platforms/pseries/xics.c +++ b/arch/powerpc/platforms/pseries/xics.c @@ -381,7 +381,7 @@ int xics_get_irq(struct pt_regs *regs) #ifdef CONFIG_SMP -irqreturn_t xics_ipi_action(int irq, void *dev_id, struct pt_regs *regs) +static irqreturn_t xics_ipi_action(int irq, void *dev_id, struct pt_regs *regs) { int cpu = smp_processor_id(); diff --git a/arch/powerpc/sysdev/dart_iommu.c b/arch/powerpc/sysdev/dart_iommu.c index e00b46b..977de9d 100644 --- a/arch/powerpc/sysdev/dart_iommu.c +++ b/arch/powerpc/sysdev/dart_iommu.c @@ -139,7 +139,6 @@ static void dart_build(struct iommu_table *tbl, long index, *(dp++) = DARTMAP_VALID | (rpn & DARTMAP_RPNMASK); - rpn++; uaddr += DART_PAGE_SIZE; } diff --git a/arch/powerpc/xmon/xmon.c b/arch/powerpc/xmon/xmon.c index 22612ed..7d02fa2 100644 --- a/arch/powerpc/xmon/xmon.c +++ b/arch/powerpc/xmon/xmon.c @@ -311,7 +311,7 @@ static void release_output_lock(void) } #endif -int xmon_core(struct pt_regs *regs, int fromipi) +static int xmon_core(struct pt_regs *regs, int fromipi) { int cmd = 0; unsigned long msr; @@ -528,7 +528,7 @@ xmon_irq(int irq, void *d, struct pt_regs *regs) return IRQ_HANDLED; } -int xmon_bpt(struct pt_regs *regs) +static int xmon_bpt(struct pt_regs *regs) { struct bpt *bp; unsigned long offset; @@ -554,7 +554,7 @@ int xmon_bpt(struct pt_regs *regs) return 1; } -int xmon_sstep(struct pt_regs *regs) +static int xmon_sstep(struct pt_regs *regs) { if (user_mode(regs)) return 0; @@ -562,7 +562,7 @@ int xmon_sstep(struct pt_regs *regs) return 1; } -int xmon_dabr_match(struct pt_regs *regs) +static int xmon_dabr_match(struct pt_regs *regs) { if ((regs->msr & (MSR_IR|MSR_PR|MSR_SF)) != (MSR_IR|MSR_SF)) return 0; @@ -572,7 +572,7 @@ int xmon_dabr_match(struct pt_regs *regs) return 1; } -int xmon_iabr_match(struct pt_regs *regs) +static int xmon_iabr_match(struct pt_regs *regs) { if ((regs->msr & (MSR_IR|MSR_PR|MSR_SF)) != (MSR_IR|MSR_SF)) return 0; @@ -582,7 +582,7 @@ int xmon_iabr_match(struct pt_regs *regs) return 1; } -int xmon_ipi(struct pt_regs *regs) +static int xmon_ipi(struct pt_regs *regs) { #ifdef CONFIG_SMP if (in_xmon && !cpu_isset(smp_processor_id(), cpus_in_xmon)) @@ -591,7 +591,7 @@ int xmon_ipi(struct pt_regs *regs) return 0; } -int xmon_fault_handler(struct pt_regs *regs) +static int xmon_fault_handler(struct pt_regs *regs) { struct bpt *bp; unsigned long offset; diff --git a/arch/ppc/kernel/Makefile b/arch/ppc/kernel/Makefile index e6c1d615..ca02013 100644 --- a/arch/ppc/kernel/Makefile +++ b/arch/ppc/kernel/Makefile @@ -13,7 +13,6 @@ extra-$(CONFIG_POWER4) += idle_power4.o extra-y += vmlinux.lds obj-y := entry.o traps.o idle.o time.o misc.o \ - process.o \ setup.o \ ppc_htab.o obj-$(CONFIG_6xx) += l2cr.o cpu_setup_6xx.o diff --git a/arch/ppc/kernel/process.c b/arch/ppc/kernel/process.c deleted file mode 100644 index a76b504..0000000 --- a/arch/ppc/kernel/process.c +++ /dev/null @@ -1,851 +0,0 @@ -/* - * arch/ppc/kernel/process.c - * - * Derived from "arch/i386/kernel/process.c" - * Copyright (C) 1995 Linus Torvalds - * - * Updated and modified by Cort Dougan (cort@cs.nmt.edu) and - * Paul Mackerras (paulus@cs.anu.edu.au) - * - * PowerPC version - * Copyright (C) 1995-1996 Gary Thomas (gdt@linuxppc.org) - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. - * - */ - -#include <linux/config.h> -#include <linux/errno.h> -#include <linux/sched.h> -#include <linux/kernel.h> -#include <linux/mm.h> -#include <linux/smp.h> -#include <linux/smp_lock.h> -#include <linux/stddef.h> -#include <linux/unistd.h> -#include <linux/ptrace.h> -#include <linux/slab.h> -#include <linux/user.h> -#include <linux/elf.h> -#include <linux/init.h> -#include <linux/prctl.h> -#include <linux/init_task.h> -#include <linux/module.h> -#include <linux/kallsyms.h> -#include <linux/mqueue.h> -#include <linux/hardirq.h> - -#include <asm/pgtable.h> -#include <asm/uaccess.h> -#include <asm/system.h> -#include <asm/io.h> -#include <asm/processor.h> -#include <asm/mmu.h> -#include <asm/prom.h> - -extern unsigned long _get_SP(void); - -struct task_struct *last_task_used_math = NULL; -struct task_struct *last_task_used_altivec = NULL; -struct task_struct *last_task_used_spe = NULL; - -static struct fs_struct init_fs = INIT_FS; -static struct files_struct init_files = INIT_FILES; -static struct signal_struct init_signals = INIT_SIGNALS(init_signals); -static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand); -struct mm_struct init_mm = INIT_MM(init_mm); -EXPORT_SYMBOL(init_mm); - -/* this is 8kB-aligned so we can get to the thread_info struct - at the base of it from the stack pointer with 1 integer instruction. */ -union thread_union init_thread_union - __attribute__((__section__(".data.init_task"))) = -{ INIT_THREAD_INFO(init_task) }; - -/* initial task structure */ -struct task_struct init_task = INIT_TASK(init_task); -EXPORT_SYMBOL(init_task); - -/* only used to get secondary processor up */ -struct task_struct *current_set[NR_CPUS] = {&init_task, }; - -#undef SHOW_TASK_SWITCHES -#undef CHECK_STACK - -#if defined(CHECK_STACK) -unsigned long -kernel_stack_top(struct task_struct *tsk) -{ - return ((unsigned long)tsk) + sizeof(union task_union); -} - -unsigned long -task_top(struct task_struct *tsk) -{ - return ((unsigned long)tsk) + sizeof(struct thread_info); -} - -/* check to make sure the kernel stack is healthy */ -int check_stack(struct task_struct *tsk) -{ - unsigned long stack_top = kernel_stack_top(tsk); - unsigned long tsk_top = task_top(tsk); - int ret = 0; - -#if 0 - /* check thread magic */ - if ( tsk->thread.magic != THREAD_MAGIC ) - { - ret |= 1; - printk("thread.magic bad: %08x\n", tsk->thread.magic); - } -#endif - - if ( !tsk ) - printk("check_stack(): tsk bad tsk %p\n",tsk); - - /* check if stored ksp is bad */ - if ( (tsk->thread.ksp > stack_top) || (tsk->thread.ksp < tsk_top) ) - { - printk("stack out of bounds: %s/%d\n" - " tsk_top %08lx ksp %08lx stack_top %08lx\n", - tsk->comm,tsk->pid, - tsk_top, tsk->thread.ksp, stack_top); - ret |= 2; - } - - /* check if stack ptr RIGHT NOW is bad */ - if ( (tsk == current) && ((_get_SP() > stack_top ) || (_get_SP() < tsk_top)) ) - { - printk("current stack ptr out of bounds: %s/%d\n" - " tsk_top %08lx sp %08lx stack_top %08lx\n", - current->comm,current->pid, - tsk_top, _get_SP(), stack_top); - ret |= 4; - } - -#if 0 - /* check amount of free stack */ - for ( i = (unsigned long *)task_top(tsk) ; i < kernel_stack_top(tsk) ; i++ ) - { - if ( !i ) - printk("check_stack(): i = %p\n", i); - if ( *i != 0 ) - { - /* only notify if it's less than 900 bytes */ - if ( (i - (unsigned long *)task_top(tsk)) < 900 ) - printk("%d bytes free on stack\n", - i - task_top(tsk)); - break; - } - } -#endif - - if (ret) - { - panic("bad kernel stack"); - } - return(ret); -} -#endif /* defined(CHECK_STACK) */ - -/* - * Make sure the floating-point register state in the - * the thread_struct is up to date for task tsk. - */ -void flush_fp_to_thread(struct task_struct *tsk) -{ - if (tsk->thread.regs) { - /* - * We need to disable preemption here because if we didn't, - * another process could get scheduled after the regs->msr - * test but before we have finished saving the FP registers - * to the thread_struct. That process could take over the - * FPU, and then when we get scheduled again we would store - * bogus values for the remaining FP registers. - */ - preempt_disable(); - if (tsk->thread.regs->msr & MSR_FP) { -#ifdef CONFIG_SMP - /* - * This should only ever be called for current or - * for a stopped child process. Since we save away - * the FP register state on context switch on SMP, - * there is something wrong if a stopped child appears - * to still have its FP state in the CPU registers. - */ - BUG_ON(tsk != current); -#endif - giveup_fpu(current); - } - preempt_enable(); - } -} - -void enable_kernel_fp(void) -{ - WARN_ON(preemptible()); - -#ifdef CONFIG_SMP - if (current->thread.regs && (current->thread.regs->msr & MSR_FP)) - giveup_fpu(current); - else - giveup_fpu(NULL); /* just enables FP for kernel */ -#else - giveup_fpu(last_task_used_math); -#endif /* CONFIG_SMP */ -} -EXPORT_SYMBOL(enable_kernel_fp); - -int dump_task_fpu(struct task_struct *tsk, elf_fpregset_t *fpregs) -{ - preempt_disable(); - if (tsk->thread.regs && (tsk->thread.regs->msr & MSR_FP)) - giveup_fpu(tsk); - preempt_enable(); - memcpy(fpregs, &tsk->thread.fpr[0], sizeof(*fpregs)); - return 1; -} - -#ifdef CONFIG_ALTIVEC -void enable_kernel_altivec(void) -{ - WARN_ON(preemptible()); - -#ifdef CONFIG_SMP - if (current->thread.regs && (current->thread.regs->msr & MSR_VEC)) - giveup_altivec(current); - else - giveup_altivec(NULL); /* just enable AltiVec for kernel - force */ -#else - giveup_altivec(last_task_used_altivec); -#endif /* __SMP __ */ -} -EXPORT_SYMBOL(enable_kernel_altivec); - -/* - * Make sure the VMX/Altivec register state in the - * the thread_struct is up to date for task tsk. - */ -void flush_altivec_to_thread(struct task_struct *tsk) -{ - if (tsk->thread.regs) { - preempt_disable(); - if (tsk->thread.regs->msr & MSR_VEC) { -#ifdef CONFIG_SMP - BUG_ON(tsk != current); -#endif - giveup_altivec(current); - } - preempt_enable(); - } -} - -int dump_altivec(struct pt_regs *regs, elf_vrregset_t *vrregs) -{ - if (regs->msr & MSR_VEC) - giveup_altivec(current); - memcpy(vrregs, ¤t->thread.vr[0], sizeof(*vrregs)); - return 1; -} -#endif /* CONFIG_ALTIVEC */ - -#ifdef CONFIG_SPE -void -enable_kernel_spe(void) -{ - WARN_ON(preemptible()); - -#ifdef CONFIG_SMP - if (current->thread.regs && (current->thread.regs->msr & MSR_SPE)) - giveup_spe(current); - else - giveup_spe(NULL); /* just enable SPE for kernel - force */ -#else - giveup_spe(last_task_used_spe); -#endif /* __SMP __ */ -} -EXPORT_SYMBOL(enable_kernel_spe); - -void flush_spe_to_thread(struct task_struct *tsk) -{ - if (tsk->thread.regs) { - preempt_disable(); - if (tsk->thread.regs->msr & MSR_SPE) { -#ifdef CONFIG_SMP - BUG_ON(tsk != current); -#endif - giveup_spe(current); - } - preempt_enable(); - } -} - -int dump_spe(struct pt_regs *regs, elf_vrregset_t *evrregs) -{ - if (regs->msr & MSR_SPE) - giveup_spe(current); - /* We copy u32 evr[32] + u64 acc + u32 spefscr -> 35 */ - memcpy(evrregs, ¤t->thread.evr[0], sizeof(u32) * 35); - return 1; -} -#endif /* CONFIG_SPE */ - -struct task_struct *__switch_to(struct task_struct *prev, - struct task_struct *new) -{ - struct thread_struct *new_thread, *old_thread; - unsigned long s; - struct task_struct *last; - - local_irq_save(s); -#ifdef CHECK_STACK - check_stack(prev); - check_stack(new); -#endif - -#ifdef CONFIG_SMP - /* avoid complexity of lazy save/restore of fpu - * by just saving it every time we switch out if - * this task used the fpu during the last quantum. - * - * If it tries to use the fpu again, it'll trap and - * reload its fp regs. So we don't have to do a restore - * every switch, just a save. - * -- Cort - */ - if (prev->thread.regs && (prev->thread.regs->msr & MSR_FP)) - giveup_fpu(prev); -#ifdef CONFIG_ALTIVEC - /* - * If the previous thread used altivec in the last quantum - * (thus changing altivec regs) then save them. - * We used to check the VRSAVE register but not all apps - * set it, so we don't rely on it now (and in fact we need - * to save & restore VSCR even if VRSAVE == 0). -- paulus - * - * On SMP we always save/restore altivec regs just to avoid the - * complexity of changing processors. - * -- Cort - */ - if ((prev->thread.regs && (prev->thread.regs->msr & MSR_VEC))) - giveup_altivec(prev); -#endif /* CONFIG_ALTIVEC */ -#ifdef CONFIG_SPE - /* - * If the previous thread used spe in the last quantum - * (thus changing spe regs) then save them. - * - * On SMP we always save/restore spe regs just to avoid the - * complexity of changing processors. - */ - if ((prev->thread.regs && (prev->thread.regs->msr & MSR_SPE))) - giveup_spe(prev); -#endif /* CONFIG_SPE */ -#endif /* CONFIG_SMP */ - -#ifdef CONFIG_ALTIVEC - /* Avoid the trap. On smp this this never happens since - * we don't set last_task_used_altivec -- Cort - */ - if (new->thread.regs && last_task_used_altivec == new) - new->thread.regs->msr |= MSR_VEC; -#endif -#ifdef CONFIG_SPE - /* Avoid the trap. On smp this this never happens since - * we don't set last_task_used_spe - */ - if (new->thread.regs && last_task_used_spe == new) - new->thread.regs->msr |= MSR_SPE; -#endif /* CONFIG_SPE */ - new_thread = &new->thread; - old_thread = ¤t->thread; - last = _switch(old_thread, new_thread); - local_irq_restore(s); - return last; -} - -void show_regs(struct pt_regs * regs) -{ - int i, trap; - - printk("NIP: %08lX LR: %08lX SP: %08lX REGS: %p TRAP: %04lx %s\n", - regs->nip, regs->link, regs->gpr[1], regs, regs->trap, - print_tainted()); - printk("MSR: %08lx EE: %01x PR: %01x FP: %01x ME: %01x IR/DR: %01x%01x\n", - regs->msr, regs->msr&MSR_EE ? 1 : 0, regs->msr&MSR_PR ? 1 : 0, - regs->msr & MSR_FP ? 1 : 0,regs->msr&MSR_ME ? 1 : 0, - regs->msr&MSR_IR ? 1 : 0, - regs->msr&MSR_DR ? 1 : 0); - trap = TRAP(regs); - if (trap == 0x300 || trap == 0x600) - printk("DAR: %08lX, DSISR: %08lX\n", regs->dar, regs->dsisr); - printk("TASK = %p[%d] '%s' THREAD: %p\n", - current, current->pid, current->comm, task_thread_info(current)); - printk("Last syscall: %ld ", current->thread.last_syscall); - -#ifdef CONFIG_SMP - printk(" CPU: %d", smp_processor_id()); -#endif /* CONFIG_SMP */ - - for (i = 0; i < 32; i++) { - long r; - if ((i % 8) == 0) - printk("\n" KERN_INFO "GPR%02d: ", i); - if (__get_user(r, ®s->gpr[i])) - break; - printk("%08lX ", r); - if (i == 12 && !FULL_REGS(regs)) - break; - } - printk("\n"); -#ifdef CONFIG_KALLSYMS - /* - * Lookup NIP late so we have the best change of getting the - * above info out without failing - */ - printk("NIP [%08lx] ", regs->nip); - print_symbol("%s\n", regs->nip); - printk("LR [%08lx] ", regs->link); - print_symbol("%s\n", regs->link); -#endif - show_stack(current, (unsigned long *) regs->gpr[1]); -} - -void exit_thread(void) -{ - preempt_disable(); - if (last_task_used_math == current) - last_task_used_math = NULL; - if (last_task_used_altivec == current) - last_task_used_altivec = NULL; -#ifdef CONFIG_SPE - if (last_task_used_spe == current) - last_task_used_spe = NULL; -#endif - preempt_enable(); -} - -void flush_thread(void) -{ - preempt_disable(); - if (last_task_used_math == current) - last_task_used_math = NULL; - if (last_task_used_altivec == current) - last_task_used_altivec = NULL; -#ifdef CONFIG_SPE - if (last_task_used_spe == current) - last_task_used_spe = NULL; -#endif - preempt_enable(); -} - -void -release_thread(struct task_struct *t) -{ -} - -/* - * This gets called before we allocate a new thread and copy - * the current task into it. - */ -void prepare_to_copy(struct task_struct *tsk) -{ - struct pt_regs *regs = tsk->thread.regs; - - if (regs == NULL) - return; - preempt_disable(); - if (regs->msr & MSR_FP) - giveup_fpu(current); -#ifdef CONFIG_ALTIVEC - if (regs->msr & MSR_VEC) - giveup_altivec(current); -#endif /* CONFIG_ALTIVEC */ -#ifdef CONFIG_SPE - if (regs->msr & MSR_SPE) - giveup_spe(current); -#endif /* CONFIG_SPE */ - preempt_enable(); -} - -/* - * Copy a thread.. - */ -int -copy_thread(int nr, unsigned long clone_flags, unsigned long usp, - unsigned long unused, - struct task_struct *p, struct pt_regs *regs) -{ - struct pt_regs *childregs, *kregs; - extern void ret_from_fork(void); - unsigned long sp = (unsigned long)task_stack_page(p) + THREAD_SIZE; - unsigned long childframe; - - CHECK_FULL_REGS(regs); - /* Copy registers */ - sp -= sizeof(struct pt_regs); - childregs = (struct pt_regs *) sp; - *childregs = *regs; - if ((childregs->msr & MSR_PR) == 0) { - /* for kernel thread, set `current' and stackptr in new task */ - childregs->gpr[1] = sp + sizeof(struct pt_regs); - childregs->gpr[2] = (unsigned long) p; - p->thread.regs = NULL; /* no user register state */ - } else { - childregs->gpr[1] = usp; - p->thread.regs = childregs; - if (clone_flags & CLONE_SETTLS) - childregs->gpr[2] = childregs->gpr[6]; - } - childregs->gpr[3] = 0; /* Result from fork() */ - sp -= STACK_FRAME_OVERHEAD; - childframe = sp; - - /* - * The way this works is that at some point in the future - * some task will call _switch to switch to the new task. - * That will pop off the stack frame created below and start - * the new task running at ret_from_fork. The new task will - * do some house keeping and then return from the fork or clone - * system call, using the stack frame created above. - */ - sp -= sizeof(struct pt_regs); - kregs = (struct pt_regs *) sp; - sp -= STACK_FRAME_OVERHEAD; - p->thread.ksp = sp; - kregs->nip = (unsigned long)ret_from_fork; - - p->thread.last_syscall = -1; - - return 0; -} - -/* - * Set up a thread for executing a new program - */ -void start_thread(struct pt_regs *regs, unsigned long nip, unsigned long sp) -{ - set_fs(USER_DS); - memset(regs->gpr, 0, sizeof(regs->gpr)); - regs->ctr = 0; - regs->link = 0; - regs->xer = 0; - regs->ccr = 0; - regs->mq = 0; - regs->nip = nip; - regs->gpr[1] = sp; - regs->msr = MSR_USER; - preempt_disable(); - if (last_task_used_math == current) - last_task_used_math = NULL; - if (last_task_used_altivec == current) - last_task_used_altivec = NULL; -#ifdef CONFIG_SPE - if (last_task_used_spe == current) - last_task_used_spe = NULL; -#endif - preempt_enable(); - memset(current->thread.fpr, 0, sizeof(current->thread.fpr)); - current->thread.fpscr.val = 0; -#ifdef CONFIG_ALTIVEC - memset(current->thread.vr, 0, sizeof(current->thread.vr)); - memset(¤t->thread.vscr, 0, sizeof(current->thread.vscr)); - current->thread.vrsave = 0; - current->thread.used_vr = 0; -#endif /* CONFIG_ALTIVEC */ -#ifdef CONFIG_SPE - memset(current->thread.evr, 0, sizeof(current->thread.evr)); - current->thread.acc = 0; - current->thread.spefscr = 0; - current->thread.used_spe = 0; -#endif /* CONFIG_SPE */ -} - -#define PR_FP_ALL_EXCEPT (PR_FP_EXC_DIV | PR_FP_EXC_OVF | PR_FP_EXC_UND \ - | PR_FP_EXC_RES | PR_FP_EXC_INV) - -int set_fpexc_mode(struct task_struct *tsk, unsigned int val) -{ - struct pt_regs *regs = tsk->thread.regs; - - /* This is a bit hairy. If we are an SPE enabled processor - * (have embedded fp) we store the IEEE exception enable flags in - * fpexc_mode. fpexc_mode is also used for setting FP exception - * mode (asyn, precise, disabled) for 'Classic' FP. */ - if (val & PR_FP_EXC_SW_ENABLE) { -#ifdef CONFIG_SPE - tsk->thread.fpexc_mode = val & - (PR_FP_EXC_SW_ENABLE | PR_FP_ALL_EXCEPT); -#else - return -EINVAL; -#endif - } else { - /* on a CONFIG_SPE this does not hurt us. The bits that - * __pack_fe01 use do not overlap with bits used for - * PR_FP_EXC_SW_ENABLE. Additionally, the MSR[FE0,FE1] bits - * on CONFIG_SPE implementations are reserved so writing to - * them does not change anything */ - if (val > PR_FP_EXC_PRECISE) - return -EINVAL; - tsk->thread.fpexc_mode = __pack_fe01(val); - if (regs != NULL && (regs->msr & MSR_FP) != 0) - regs->msr = (regs->msr & ~(MSR_FE0|MSR_FE1)) - | tsk->thread.fpexc_mode; - } - return 0; -} - -int get_fpexc_mode(struct task_struct *tsk, unsigned long adr) -{ - unsigned int val; - - if (tsk->thread.fpexc_mode & PR_FP_EXC_SW_ENABLE) -#ifdef CONFIG_SPE - val = tsk->thread.fpexc_mode; -#else - return -EINVAL; -#endif - else - val = __unpack_fe01(tsk->thread.fpexc_mode); - return put_user(val, (unsigned int __user *) adr); -} - -int sys_clone(unsigned long clone_flags, unsigned long usp, - int __user *parent_tidp, void __user *child_threadptr, - int __user *child_tidp, int p6, - struct pt_regs *regs) -{ - CHECK_FULL_REGS(regs); - if (usp == 0) - usp = regs->gpr[1]; /* stack pointer for child */ - return do_fork(clone_flags, usp, regs, 0, parent_tidp, child_tidp); -} - -int sys_fork(unsigned long p1, unsigned long p2, unsigned long p3, - unsigned long p4, unsigned long p5, unsigned long p6, - struct pt_regs *regs) -{ - CHECK_FULL_REGS(regs); - return do_fork(SIGCHLD, regs->gpr[1], regs, 0, NULL, NULL); -} - -int sys_vfork(unsigned long p1, unsigned long p2, unsigned long p3, - unsigned long p4, unsigned long p5, unsigned long p6, - struct pt_regs *regs) -{ - CHECK_FULL_REGS(regs); - return do_fork(CLONE_VFORK | CLONE_VM | SIGCHLD, regs->gpr[1], - regs, 0, NULL, NULL); -} - -int sys_execve(unsigned long a0, unsigned long a1, unsigned long a2, - unsigned long a3, unsigned long a4, unsigned long a5, - struct pt_regs *regs) -{ - int error; - char * filename; - - filename = getname((char __user *) a0); - error = PTR_ERR(filename); - if (IS_ERR(filename)) - goto out; - preempt_disable(); - if (regs->msr & MSR_FP) - giveup_fpu(current); -#ifdef CONFIG_ALTIVEC - if (regs->msr & MSR_VEC) - giveup_altivec(current); -#endif /* CONFIG_ALTIVEC */ -#ifdef CONFIG_SPE - if (regs->msr & MSR_SPE) - giveup_spe(current); -#endif /* CONFIG_SPE */ - preempt_enable(); - error = do_execve(filename, (char __user *__user *) a1, - (char __user *__user *) a2, regs); - if (error == 0) { - task_lock(current); - current->ptrace &= ~PT_DTRACE; - task_unlock(current); - } - putname(filename); -out: - return error; -} - -void dump_stack(void) -{ - show_stack(current, NULL); -} - -EXPORT_SYMBOL(dump_stack); - -void show_stack(struct task_struct *tsk, unsigned long *stack) -{ - unsigned long sp, stack_top, prev_sp, ret; - int count = 0; - unsigned long next_exc = 0; - struct pt_regs *regs; - extern char ret_from_except, ret_from_except_full, ret_from_syscall; - - sp = (unsigned long) stack; - if (tsk == NULL) - tsk = current; - if (sp == 0) { - if (tsk == current) - asm("mr %0,1" : "=r" (sp)); - else - sp = tsk->thread.ksp; - } - - prev_sp = (unsigned long) end_of_stack(tsk); - stack_top = (unsigned long) task_stack_page(tsk) + THREAD_SIZE; - while (count < 16 && sp > prev_sp && sp < stack_top && (sp & 3) == 0) { - if (count == 0) { - printk("Call trace:"); -#ifdef CONFIG_KALLSYMS - printk("\n"); -#endif - } else { - if (next_exc) { - ret = next_exc; - next_exc = 0; - } else - ret = *(unsigned long *)(sp + 4); - printk(" [%08lx] ", ret); -#ifdef CONFIG_KALLSYMS - print_symbol("%s", ret); - printk("\n"); -#endif - if (ret == (unsigned long) &ret_from_except - || ret == (unsigned long) &ret_from_except_full - || ret == (unsigned long) &ret_from_syscall) { - /* sp + 16 points to an exception frame */ - regs = (struct pt_regs *) (sp + 16); - if (sp + 16 + sizeof(*regs) <= stack_top) - next_exc = regs->nip; - } - } - ++count; - sp = *(unsigned long *)sp; - } -#ifndef CONFIG_KALLSYMS - if (count > 0) - printk("\n"); -#endif -} - -#if 0 -/* - * Low level print for debugging - Cort - */ -int __init ll_printk(const char *fmt, ...) -{ - va_list args; - char buf[256]; - int i; - - va_start(args, fmt); - i=vsprintf(buf,fmt,args); - ll_puts(buf); - va_end(args); - return i; -} - -int lines = 24, cols = 80; -int orig_x = 0, orig_y = 0; - -void puthex(unsigned long val) -{ - unsigned char buf[10]; - int i; - for (i = 7; i >= 0; i--) - { - buf[i] = "0123456789ABCDEF"[val & 0x0F]; - val >>= 4; - } - buf[8] = '\0'; - prom_print(buf); -} - -void __init ll_puts(const char *s) -{ - int x,y; - char *vidmem = (char *)/*(_ISA_MEM_BASE + 0xB8000) */0xD00B8000; - char c; - extern int mem_init_done; - - if ( mem_init_done ) /* assume this means we can printk */ - { - printk(s); - return; - } - -#if 0 - if ( have_of ) - { - prom_print(s); - return; - } -#endif - - /* - * can't ll_puts on chrp without openfirmware yet. - * vidmem just needs to be setup for it. - * -- Cort - */ - if ( _machine != _MACH_prep ) - return; - x = orig_x; - y = orig_y; - - while ( ( c = *s++ ) != '\0' ) { - if ( c == '\n' ) { - x = 0; - if ( ++y >= lines ) { - /*scroll();*/ - /*y--;*/ - y = 0; - } - } else { - vidmem [ ( x + cols * y ) * 2 ] = c; - if ( ++x >= cols ) { - x = 0; - if ( ++y >= lines ) { - /*scroll();*/ - /*y--;*/ - y = 0; - } - } - } - } - - orig_x = x; - orig_y = y; -} -#endif - -unsigned long get_wchan(struct task_struct *p) -{ - unsigned long ip, sp; - unsigned long stack_page = (unsigned long) task_stack_page(p); - int count = 0; - if (!p || p == current || p->state == TASK_RUNNING) - return 0; - sp = p->thread.ksp; - do { - sp = *(unsigned long *)sp; - if (sp < stack_page || sp >= stack_page + 8188) - return 0; - if (count > 0) { - ip = *(unsigned long *)(sp + 4); - if (!in_sched_functions(ip)) - return ip; - } - } while (count++ < 16); - return 0; -} diff --git a/drivers/block/viodasd.c b/drivers/block/viodasd.c index d1aaf31b..f63e07b 100644 --- a/drivers/block/viodasd.c +++ b/drivers/block/viodasd.c @@ -293,6 +293,7 @@ static int send_request(struct request *req) u16 viocmd; HvLpEvent_Rc hvrc; struct vioblocklpevent *bevent; + struct HvLpEvent *hev; struct scatterlist sg[VIOMAXBLOCKDMA]; int sgindex; int statindex; @@ -347,22 +348,19 @@ static int send_request(struct request *req) * token so we can match the response up later */ memset(bevent, 0, sizeof(struct vioblocklpevent)); - bevent->event.xFlags.xValid = 1; - bevent->event.xFlags.xFunction = HvLpEvent_Function_Int; - bevent->event.xFlags.xAckInd = HvLpEvent_AckInd_DoAck; - bevent->event.xFlags.xAckType = HvLpEvent_AckType_ImmediateAck; - bevent->event.xType = HvLpEvent_Type_VirtualIo; - bevent->event.xSubtype = viocmd; - bevent->event.xSourceLp = HvLpConfig_getLpIndex(); - bevent->event.xTargetLp = viopath_hostLp; - bevent->event.xSizeMinus1 = + hev = &bevent->event; + hev->flags = HV_LP_EVENT_VALID | HV_LP_EVENT_DO_ACK | + HV_LP_EVENT_INT; + hev->xType = HvLpEvent_Type_VirtualIo; + hev->xSubtype = viocmd; + hev->xSourceLp = HvLpConfig_getLpIndex(); + hev->xTargetLp = viopath_hostLp; + hev->xSizeMinus1 = offsetof(struct vioblocklpevent, u.rw_data.dma_info) + (sizeof(bevent->u.rw_data.dma_info[0]) * nsg) - 1; - bevent->event.xSourceInstanceId = - viopath_sourceinst(viopath_hostLp); - bevent->event.xTargetInstanceId = - viopath_targetinst(viopath_hostLp); - bevent->event.xCorrelationToken = (u64)req; + hev->xSourceInstanceId = viopath_sourceinst(viopath_hostLp); + hev->xTargetInstanceId = viopath_targetinst(viopath_hostLp); + hev->xCorrelationToken = (u64)req; bevent->version = VIOVERSION; bevent->disk = DEVICE_NO(d); bevent->u.rw_data.offset = start; @@ -649,10 +647,10 @@ static void handle_block_event(struct HvLpEvent *event) /* Notification that a partition went away! */ return; /* First, we should NEVER get an int here...only acks */ - if (event->xFlags.xFunction == HvLpEvent_Function_Int) { + if (hvlpevent_is_int(event)) { printk(VIOD_KERN_WARNING "Yikes! got an int in viodasd event handler!\n"); - if (event->xFlags.xAckInd == HvLpEvent_AckInd_DoAck) { + if (hvlpevent_need_ack(event)) { event->xRc = HvLpEvent_Rc_InvalidSubtype; HvCallEvent_ackLpEvent(event); } @@ -695,7 +693,7 @@ static void handle_block_event(struct HvLpEvent *event) default: printk(VIOD_KERN_WARNING "invalid subtype!"); - if (event->xFlags.xAckInd == HvLpEvent_AckInd_DoAck) { + if (hvlpevent_need_ack(event)) { event->xRc = HvLpEvent_Rc_InvalidSubtype; HvCallEvent_ackLpEvent(event); } diff --git a/drivers/cdrom/viocd.c b/drivers/cdrom/viocd.c index b519178..193446e 100644 --- a/drivers/cdrom/viocd.c +++ b/drivers/cdrom/viocd.c @@ -542,10 +542,10 @@ static void vio_handle_cd_event(struct HvLpEvent *event) /* Notification that a partition went away! */ return; /* First, we should NEVER get an int here...only acks */ - if (event->xFlags.xFunction == HvLpEvent_Function_Int) { + if (hvlpevent_is_int(event)) { printk(VIOCD_KERN_WARNING "Yikes! got an int in viocd event handler!\n"); - if (event->xFlags.xAckInd == HvLpEvent_AckInd_DoAck) { + if (hvlpevent_need_ack(event)) { event->xRc = HvLpEvent_Rc_InvalidSubtype; HvCallEvent_ackLpEvent(event); } @@ -616,7 +616,7 @@ return_complete: printk(VIOCD_KERN_WARNING "message with invalid subtype %0x04X!\n", event->xSubtype & VIOMINOR_SUBTYPE_MASK); - if (event->xFlags.xAckInd == HvLpEvent_AckInd_DoAck) { + if (hvlpevent_need_ack(event)) { event->xRc = HvLpEvent_Rc_InvalidSubtype; HvCallEvent_ackLpEvent(event); } diff --git a/drivers/char/mem.c b/drivers/char/mem.c index 704c3c0..29c41f4 100644 --- a/drivers/char/mem.c +++ b/drivers/char/mem.c @@ -534,7 +534,7 @@ static ssize_t write_kmem(struct file * file, const char __user * buf, return virtr + wrote; } -#if (defined(CONFIG_ISA) || !defined(__mc68000__)) && (!defined(CONFIG_PPC_ISERIES) || defined(CONFIG_PCI)) +#if defined(CONFIG_ISA) || !defined(__mc68000__) static ssize_t read_port(struct file * file, char __user * buf, size_t count, loff_t *ppos) { @@ -795,7 +795,7 @@ static struct file_operations null_fops = { .write = write_null, }; -#if (defined(CONFIG_ISA) || !defined(__mc68000__)) && (!defined(CONFIG_PPC_ISERIES) || defined(CONFIG_PCI)) +#if defined(CONFIG_ISA) || !defined(__mc68000__) static struct file_operations port_fops = { .llseek = memory_lseek, .read = read_port, @@ -865,7 +865,7 @@ static int memory_open(struct inode * inode, struct file * filp) case 3: filp->f_op = &null_fops; break; -#if (defined(CONFIG_ISA) || !defined(__mc68000__)) && (!defined(CONFIG_PPC_ISERIES) || defined(CONFIG_PCI)) +#if defined(CONFIG_ISA) || !defined(__mc68000__) case 4: filp->f_op = &port_fops; break; @@ -912,7 +912,7 @@ static const struct { {1, "mem", S_IRUSR | S_IWUSR | S_IRGRP, &mem_fops}, {2, "kmem", S_IRUSR | S_IWUSR | S_IRGRP, &kmem_fops}, {3, "null", S_IRUGO | S_IWUGO, &null_fops}, -#if (defined(CONFIG_ISA) || !defined(__mc68000__)) && (!defined(CONFIG_PPC_ISERIES) || defined(CONFIG_PCI)) +#if defined(CONFIG_ISA) || !defined(__mc68000__) {4, "port", S_IRUSR | S_IWUSR | S_IRGRP, &port_fops}, #endif {5, "zero", S_IRUGO | S_IWUGO, &zero_fops}, diff --git a/drivers/char/viocons.c b/drivers/char/viocons.c index faee5e7..4e53603 100644 --- a/drivers/char/viocons.c +++ b/drivers/char/viocons.c @@ -476,19 +476,19 @@ static struct port_info *get_port_data(struct tty_struct *tty) */ static void initDataEvent(struct viocharlpevent *viochar, HvLpIndex lp) { + struct HvLpEvent *hev = &viochar->event; + memset(viochar, 0, sizeof(struct viocharlpevent)); - viochar->event.xFlags.xValid = 1; - viochar->event.xFlags.xFunction = HvLpEvent_Function_Int; - viochar->event.xFlags.xAckInd = HvLpEvent_AckInd_NoAck; - viochar->event.xFlags.xAckType = HvLpEvent_AckType_DeferredAck; - viochar->event.xType = HvLpEvent_Type_VirtualIo; - viochar->event.xSubtype = viomajorsubtype_chario | viochardata; - viochar->event.xSourceLp = HvLpConfig_getLpIndex(); - viochar->event.xTargetLp = lp; - viochar->event.xSizeMinus1 = sizeof(struct viocharlpevent); - viochar->event.xSourceInstanceId = viopath_sourceinst(lp); - viochar->event.xTargetInstanceId = viopath_targetinst(lp); + hev->flags = HV_LP_EVENT_VALID | HV_LP_EVENT_DEFERRED_ACK | + HV_LP_EVENT_INT; + hev->xType = HvLpEvent_Type_VirtualIo; + hev->xSubtype = viomajorsubtype_chario | viochardata; + hev->xSourceLp = HvLpConfig_getLpIndex(); + hev->xTargetLp = lp; + hev->xSizeMinus1 = sizeof(struct viocharlpevent); + hev->xSourceInstanceId = viopath_sourceinst(lp); + hev->xTargetInstanceId = viopath_targetinst(lp); } /* @@ -752,7 +752,7 @@ static void vioHandleOpenEvent(struct HvLpEvent *event) struct port_info *pi; int reject = 0; - if (event->xFlags.xFunction == HvLpEvent_Function_Ack) { + if (hvlpevent_is_ack(event)) { if (port >= VTTY_PORTS) return; @@ -788,7 +788,7 @@ static void vioHandleOpenEvent(struct HvLpEvent *event) } /* This had better require an ack, otherwise complain */ - if (event->xFlags.xAckInd != HvLpEvent_AckInd_DoAck) { + if (!hvlpevent_need_ack(event)) { printk(VIOCONS_KERN_WARN "viocharopen without ack bit!\n"); return; } @@ -856,7 +856,7 @@ static void vioHandleCloseEvent(struct HvLpEvent *event) struct viocharlpevent *cevent = (struct viocharlpevent *)event; u8 port = cevent->virtual_device; - if (event->xFlags.xFunction == HvLpEvent_Function_Int) { + if (hvlpevent_is_int(event)) { if (port >= VTTY_PORTS) { printk(VIOCONS_KERN_WARN "close message from invalid virtual device.\n"); @@ -1056,8 +1056,7 @@ static void vioHandleCharEvent(struct HvLpEvent *event) vioHandleConfig(event); break; default: - if ((event->xFlags.xFunction == HvLpEvent_Function_Int) && - (event->xFlags.xAckInd == HvLpEvent_AckInd_DoAck)) { + if (hvlpevent_is_int(event) && hvlpevent_need_ack(event)) { event->xRc = HvLpEvent_Rc_InvalidSubtype; HvCallEvent_ackLpEvent(event); } diff --git a/drivers/net/iseries_veth.c b/drivers/net/iseries_veth.c index 77eadf8..f0f04be 100644 --- a/drivers/net/iseries_veth.c +++ b/drivers/net/iseries_veth.c @@ -590,9 +590,9 @@ static void veth_handle_event(struct HvLpEvent *event, struct pt_regs *regs) { struct veth_lpevent *veth_event = (struct veth_lpevent *)event; - if (event->xFlags.xFunction == HvLpEvent_Function_Ack) + if (hvlpevent_is_ack(event)) veth_handle_ack(veth_event); - else if (event->xFlags.xFunction == HvLpEvent_Function_Int) + else veth_handle_int(veth_event); } diff --git a/include/asm-powerpc/iommu.h b/include/asm-powerpc/iommu.h index 8a8393e..d5677cb 100644 --- a/include/asm-powerpc/iommu.h +++ b/include/asm-powerpc/iommu.h @@ -64,25 +64,6 @@ extern void iommu_free_table(struct device_node *dn); #endif /* CONFIG_PPC_MULTIPLATFORM */ -#ifdef CONFIG_PPC_PSERIES - -/* Creates table for an individual device node */ -extern void iommu_devnode_init_pSeries(struct device_node *dn); - -#endif /* CONFIG_PPC_PSERIES */ - -#ifdef CONFIG_PPC_ISERIES - -/* Creates table for an individual device node */ -extern void iommu_devnode_init_iSeries(struct device_node *dn); -/* Get table parameters from HV */ -extern void iommu_table_getparms_iSeries(unsigned long busno, - unsigned char slotno, - unsigned char virtbus, - struct iommu_table* tbl); - -#endif /* CONFIG_PPC_ISERIES */ - /* Initializes an iommu_table based in values set in the passed-in * structure */ diff --git a/include/asm-powerpc/iseries/hv_call.h b/include/asm-powerpc/iseries/hv_call.h index e9f831c..162d653 100644 --- a/include/asm-powerpc/iseries/hv_call.h +++ b/include/asm-powerpc/iseries/hv_call.h @@ -1,5 +1,4 @@ /* - * HvCall.h * Copyright (C) 2001 Mike Corrigan IBM Corporation * * This program is free software; you can redistribute it and/or modify @@ -15,8 +14,7 @@ * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ -/* + * * This file contains the "hypervisor call" interface which is used to * drive the hypervisor from the OS. */ diff --git a/include/asm-powerpc/iseries/hv_call_event.h b/include/asm-powerpc/iseries/hv_call_event.h index 46763a3..4cec476 100644 --- a/include/asm-powerpc/iseries/hv_call_event.h +++ b/include/asm-powerpc/iseries/hv_call_event.h @@ -1,5 +1,4 @@ /* - * HvCallEvent.h * Copyright (C) 2001 Mike Corrigan IBM Corporation * * This program is free software; you can redistribute it and/or modify @@ -15,8 +14,7 @@ * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ -/* + * * This file contains the "hypervisor call" interface which is used to * drive the hypervisor from the OS. */ @@ -33,32 +31,9 @@ typedef u8 HvLpEvent_Type; typedef u8 HvLpEvent_AckInd; typedef u8 HvLpEvent_AckType; -struct HvCallEvent_PackedParms { - u8 xAckType:1; - u8 xAckInd:1; - u8 xRsvd:1; - u8 xTargetLp:5; - u8 xType; - u16 xSubtype; - HvLpInstanceId xSourceInstId; - HvLpInstanceId xTargetInstId; -}; - typedef u8 HvLpDma_Direction; typedef u8 HvLpDma_AddressType; -struct HvCallEvent_PackedDmaParms { - u8 xDirection:1; - u8 xLocalAddrType:1; - u8 xRemoteAddrType:1; - u8 xRsvd1:5; - HvLpIndex xRemoteLp; - u8 xType; - u8 xRsvd2; - HvLpInstanceId xLocalInstId; - HvLpInstanceId xRemoteInstId; -}; - typedef u64 HvLpEvent_Rc; typedef u64 HvLpDma_Rc; @@ -92,11 +67,8 @@ static inline void HvCallEvent_setInterLpQueueIndex(u8 queueIndex) static inline void HvCallEvent_setLpEventStack(u8 queueIndex, char *eventStackAddr, u32 eventStackSize) { - u64 abs_addr; - - abs_addr = virt_to_abs(eventStackAddr); - HvCall3(HvCallEventSetLpEventStack, queueIndex, abs_addr, - eventStackSize); + HvCall3(HvCallEventSetLpEventStack, queueIndex, + virt_to_abs(eventStackAddr), eventStackSize); } static inline void HvCallEvent_setLpEventQueueInterruptProc(u8 queueIndex, @@ -108,14 +80,7 @@ static inline void HvCallEvent_setLpEventQueueInterruptProc(u8 queueIndex, static inline HvLpEvent_Rc HvCallEvent_signalLpEvent(struct HvLpEvent *event) { - u64 abs_addr; - -#ifdef DEBUG_SENDEVENT - printk("HvCallEvent_signalLpEvent: *event = %016lx\n ", - (unsigned long)event); -#endif - abs_addr = virt_to_abs(event); - return HvCall1(HvCallEventSignalLpEvent, abs_addr); + return HvCall1(HvCallEventSignalLpEvent, virt_to_abs(event)); } static inline HvLpEvent_Rc HvCallEvent_signalLpEventFast(HvLpIndex targetLp, @@ -127,17 +92,21 @@ static inline HvLpEvent_Rc HvCallEvent_signalLpEventFast(HvLpIndex targetLp, { /* Pack the misc bits into a single Dword to pass to PLIC */ union { - struct HvCallEvent_PackedParms parms; + struct { + u8 ack_and_target; + u8 type; + u16 subtype; + HvLpInstanceId src_inst; + HvLpInstanceId target_inst; + } parms; u64 dword; } packed; - packed.parms.xAckType = ackType; - packed.parms.xAckInd = ackInd; - packed.parms.xRsvd = 0; - packed.parms.xTargetLp = targetLp; - packed.parms.xType = type; - packed.parms.xSubtype = subtype; - packed.parms.xSourceInstId = sourceInstanceId; - packed.parms.xTargetInstId = targetInstanceId; + + packed.parms.ack_and_target = (ackType << 7) | (ackInd << 6) | targetLp; + packed.parms.type = type; + packed.parms.subtype = subtype; + packed.parms.src_inst = sourceInstanceId; + packed.parms.target_inst = targetInstanceId; return HvCall7(HvCallEventSignalLpEventParms, packed.dword, correlationToken, eventData1, eventData2, @@ -146,18 +115,12 @@ static inline HvLpEvent_Rc HvCallEvent_signalLpEventFast(HvLpIndex targetLp, static inline HvLpEvent_Rc HvCallEvent_ackLpEvent(struct HvLpEvent *event) { - u64 abs_addr; - - abs_addr = virt_to_abs(event); - return HvCall1(HvCallEventAckLpEvent, abs_addr); + return HvCall1(HvCallEventAckLpEvent, virt_to_abs(event)); } static inline HvLpEvent_Rc HvCallEvent_cancelLpEvent(struct HvLpEvent *event) { - u64 abs_addr; - - abs_addr = virt_to_abs(event); - return HvCall1(HvCallEventCancelLpEvent, abs_addr); + return HvCall1(HvCallEventCancelLpEvent, virt_to_abs(event)); } static inline HvLpInstanceId HvCallEvent_getSourceLpInstanceId( @@ -195,59 +158,34 @@ static inline HvLpDma_Rc HvCallEvent_dmaBufList(HvLpEvent_Type type, { /* Pack the misc bits into a single Dword to pass to PLIC */ union { - struct HvCallEvent_PackedDmaParms parms; + struct { + u8 flags; + HvLpIndex remote; + u8 type; + u8 reserved; + HvLpInstanceId local_inst; + HvLpInstanceId remote_inst; + } parms; u64 dword; } packed; - packed.parms.xDirection = direction; - packed.parms.xLocalAddrType = localAddressType; - packed.parms.xRemoteAddrType = remoteAddressType; - packed.parms.xRsvd1 = 0; - packed.parms.xRemoteLp = remoteLp; - packed.parms.xType = type; - packed.parms.xRsvd2 = 0; - packed.parms.xLocalInstId = localInstanceId; - packed.parms.xRemoteInstId = remoteInstanceId; + packed.parms.flags = (direction << 7) | + (localAddressType << 6) | (remoteAddressType << 5); + packed.parms.remote = remoteLp; + packed.parms.type = type; + packed.parms.reserved = 0; + packed.parms.local_inst = localInstanceId; + packed.parms.remote_inst = remoteInstanceId; return HvCall4(HvCallEventDmaBufList, packed.dword, localBufList, remoteBufList, transferLength); } -static inline HvLpDma_Rc HvCallEvent_dmaSingle(HvLpEvent_Type type, - HvLpIndex remoteLp, HvLpDma_Direction direction, - HvLpInstanceId localInstanceId, - HvLpInstanceId remoteInstanceId, - HvLpDma_AddressType localAddressType, - HvLpDma_AddressType remoteAddressType, - u64 localAddrOrTce, u64 remoteAddrOrTce, u32 transferLength) -{ - /* Pack the misc bits into a single Dword to pass to PLIC */ - union { - struct HvCallEvent_PackedDmaParms parms; - u64 dword; - } packed; - - packed.parms.xDirection = direction; - packed.parms.xLocalAddrType = localAddressType; - packed.parms.xRemoteAddrType = remoteAddressType; - packed.parms.xRsvd1 = 0; - packed.parms.xRemoteLp = remoteLp; - packed.parms.xType = type; - packed.parms.xRsvd2 = 0; - packed.parms.xLocalInstId = localInstanceId; - packed.parms.xRemoteInstId = remoteInstanceId; - - return (HvLpDma_Rc)HvCall4(HvCallEventDmaSingle, packed.dword, - localAddrOrTce, remoteAddrOrTce, transferLength); -} - static inline HvLpDma_Rc HvCallEvent_dmaToSp(void *local, u32 remote, u32 length, HvLpDma_Direction dir) { - u64 abs_addr; - - abs_addr = virt_to_abs(local); - return HvCall4(HvCallEventDmaToSp, abs_addr, remote, length, dir); + return HvCall4(HvCallEventDmaToSp, virt_to_abs(local), remote, + length, dir); } #endif /* _ASM_POWERPC_ISERIES_HV_CALL_EVENT_H */ diff --git a/include/asm-powerpc/iseries/hv_call_sc.h b/include/asm-powerpc/iseries/hv_call_sc.h index dec7e9d..f5d2109 100644 --- a/include/asm-powerpc/iseries/hv_call_sc.h +++ b/include/asm-powerpc/iseries/hv_call_sc.h @@ -1,5 +1,4 @@ /* - * HvCallSc.h * Copyright (C) 2001 Mike Corrigan IBM Corporation * * This program is free software; you can redistribute it and/or modify diff --git a/include/asm-powerpc/iseries/hv_lp_config.h b/include/asm-powerpc/iseries/hv_lp_config.h index bc00f03..df8b207 100644 --- a/include/asm-powerpc/iseries/hv_lp_config.h +++ b/include/asm-powerpc/iseries/hv_lp_config.h @@ -1,5 +1,4 @@ /* - * HvLpConfig.h * Copyright (C) 2001 Mike Corrigan IBM Corporation * * This program is free software; you can redistribute it and/or modify diff --git a/include/asm-powerpc/iseries/hv_lp_event.h b/include/asm-powerpc/iseries/hv_lp_event.h index 499ab1a..4065a4d 100644 --- a/include/asm-powerpc/iseries/hv_lp_event.h +++ b/include/asm-powerpc/iseries/hv_lp_event.h @@ -1,5 +1,4 @@ /* - * HvLpEvent.h * Copyright (C) 2001 Mike Corrigan IBM Corporation * * This program is free software; you can redistribute it and/or modify @@ -32,17 +31,8 @@ * partitions through PLIC. */ -struct HvEventFlags { - u8 xValid:1; /* Indicates a valid request x00-x00 */ - u8 xRsvd1:4; /* Reserved ... */ - u8 xAckType:1; /* Immediate or deferred ... */ - u8 xAckInd:1; /* Indicates if ACK required ... */ - u8 xFunction:1; /* Interrupt or Acknowledge ... */ -}; - - struct HvLpEvent { - struct HvEventFlags xFlags; /* Event flags x00-x00 */ + u8 flags; /* Event flags x00-x00 */ u8 xType; /* Type of message x01-x01 */ u16 xSubtype; /* Subtype for event x02-x03 */ u8 xSourceLp; /* Source LP x04-x04 */ @@ -126,6 +116,11 @@ extern int HvLpEvent_closePath(HvLpEvent_Type eventType, HvLpIndex lpIndex); #define HvLpEvent_AckType_ImmediateAck 0 #define HvLpEvent_AckType_DeferredAck 1 +#define HV_LP_EVENT_INT 0x01 +#define HV_LP_EVENT_DO_ACK 0x02 +#define HV_LP_EVENT_DEFERRED_ACK 0x04 +#define HV_LP_EVENT_VALID 0x80 + #define HvLpDma_Direction_LocalToRemote 0 #define HvLpDma_Direction_RemoteToLocal 1 @@ -139,4 +134,29 @@ extern int HvLpEvent_closePath(HvLpEvent_Type eventType, HvLpIndex lpIndex); #define HvLpDma_Rc_InvalidAddress 4 #define HvLpDma_Rc_InvalidLength 5 +static inline int hvlpevent_is_valid(struct HvLpEvent *h) +{ + return h->flags & HV_LP_EVENT_VALID; +} + +static inline void hvlpevent_invalidate(struct HvLpEvent *h) +{ + h->flags &= ~ HV_LP_EVENT_VALID; +} + +static inline int hvlpevent_is_int(struct HvLpEvent *h) +{ + return h->flags & HV_LP_EVENT_INT; +} + +static inline int hvlpevent_is_ack(struct HvLpEvent *h) +{ + return !hvlpevent_is_int(h); +} + +static inline int hvlpevent_need_ack(struct HvLpEvent *h) +{ + return h->flags & HV_LP_EVENT_DO_ACK; +} + #endif /* _ASM_POWERPC_ISERIES_HV_LP_EVENT_H */ diff --git a/include/asm-powerpc/iseries/hv_types.h b/include/asm-powerpc/iseries/hv_types.h index c38f7e3..c3e6d2a 100644 --- a/include/asm-powerpc/iseries/hv_types.h +++ b/include/asm-powerpc/iseries/hv_types.h @@ -1,5 +1,4 @@ /* - * HvTypes.h * Copyright (C) 2001 Mike Corrigan IBM Corporation * * This program is free software; you can redistribute it and/or modify diff --git a/include/asm-powerpc/iseries/iseries_io.h b/include/asm-powerpc/iseries/iseries_io.h index 56b2113..496aa85 100644 --- a/include/asm-powerpc/iseries/iseries_io.h +++ b/include/asm-powerpc/iseries/iseries_io.h @@ -6,7 +6,7 @@ #ifdef CONFIG_PPC_ISERIES #include <linux/types.h> /* - * File iSeries_io.h created by Allan Trautman on Thu Dec 28 2000. + * Created by Allan Trautman on Thu Dec 28 2000. * * Remaps the io.h for the iSeries Io * Copyright (C) 2000 Allan H Trautman, IBM Corporation @@ -32,6 +32,7 @@ * End Change Activity */ +#ifdef CONFIG_PCI extern u8 iSeries_Read_Byte(const volatile void __iomem * IoAddress); extern u16 iSeries_Read_Word(const volatile void __iomem * IoAddress); extern u32 iSeries_Read_Long(const volatile void __iomem * IoAddress); @@ -44,6 +45,17 @@ extern void iSeries_memcpy_toio(volatile void __iomem *dest, void *source, size_t n); extern void iSeries_memcpy_fromio(void *dest, const volatile void __iomem *source, size_t n); +#else +static inline u8 iSeries_Read_Byte(const volatile void __iomem *IoAddress) +{ + return 0xff; +} + +static inline void iSeries_Write_Byte(u8 IoData, + volatile void __iomem *IoAddress) +{ +} +#endif /* CONFIG_PCI */ #endif /* CONFIG_PPC_ISERIES */ #endif /* _ASM_POWERPC_ISERIES_ISERIES_IO_H */ diff --git a/include/asm-powerpc/iseries/it_exp_vpd_panel.h b/include/asm-powerpc/iseries/it_exp_vpd_panel.h index 66a17a2..304a609 100644 --- a/include/asm-powerpc/iseries/it_exp_vpd_panel.h +++ b/include/asm-powerpc/iseries/it_exp_vpd_panel.h @@ -1,5 +1,4 @@ /* - * ItExtVpdPanel.h * Copyright (C) 2002 Dave Boutcher IBM Corporation * * This program is free software; you can redistribute it and/or modify diff --git a/include/asm-powerpc/iseries/it_lp_naca.h b/include/asm-powerpc/iseries/it_lp_naca.h index c3ef1de..4fdcf05 100644 --- a/include/asm-powerpc/iseries/it_lp_naca.h +++ b/include/asm-powerpc/iseries/it_lp_naca.h @@ -1,5 +1,4 @@ /* - * ItLpNaca.h * Copyright (C) 2001 Mike Corrigan IBM Corporation * * This program is free software; you can redistribute it and/or modify @@ -37,17 +36,13 @@ struct ItLpNaca { u8 xLpIndex; // LP Index x0B-x0B u16 xMaxLpQueues; // Number of allocated queues x0C-x0D u16 xLpQueueOffset; // Offset to start of LP queues x0E-x0F - u8 xPirEnvironMode:8; // Piranha or hardware x10-x10 - u8 xPirConsoleMode:8; // Piranha console indicator x11-x11 - u8 xPirDasdMode:8; // Piranha dasd indicator x12-x12 + u8 xPirEnvironMode; // Piranha or hardware x10-x10 + u8 xPirConsoleMode; // Piranha console indicator x11-x11 + u8 xPirDasdMode; // Piranha dasd indicator x12-x12 u8 xRsvd1_0[5]; // Reserved for Piranha related x13-x17 - u8 xLparInstalled:1; // Is LPAR installed on system x18-x1F - u8 xSysPartitioned:1; // Is the system partitioned ... - u8 xHwSyncedTBs:1; // Hardware synced TBs ... - u8 xIntProcUtilHmt:1; // Utilize HMT for interrupts ... - u8 xRsvd1_1:4; // Reserved ... - u8 xSpVpdFormat:8; // VPD areas are in CSP format ... - u8 xIntProcRatio:8; // Ratio of int procs to procs ... + u8 flags; // flags, see below x18-x1F + u8 xSpVpdFormat; // VPD areas are in CSP format ... + u8 xIntProcRatio; // Ratio of int procs to procs ... u8 xRsvd1_2[5]; // Reserved ... u16 xRsvd1_3; // Reserved x20-x21 u16 xPlicVrmIndex; // VRM index of PLIC x22-x23 @@ -77,4 +72,9 @@ struct ItLpNaca { extern struct ItLpNaca itLpNaca; +#define ITLPNACA_LPAR 0x80 /* Is LPAR installed on the system */ +#define ITLPNACA_PARTITIONED 0x40 /* Is the system partitioned */ +#define ITLPNACA_HWSYNCEDTBS 0x20 /* Hardware synced TBs */ +#define ITLPNACA_HMTINT 0x10 /* Utilize MHT for interrupts */ + #endif /* _ASM_POWERPC_ISERIES_IT_LP_NACA_H */ diff --git a/include/asm-powerpc/iseries/it_lp_queue.h b/include/asm-powerpc/iseries/it_lp_queue.h index a60d03a..b7c6fc1 100644 --- a/include/asm-powerpc/iseries/it_lp_queue.h +++ b/include/asm-powerpc/iseries/it_lp_queue.h @@ -1,5 +1,4 @@ /* - * ItLpQueue.h * Copyright (C) 2001 Mike Corrigan IBM Corporation * * This program is free software; you can redistribute it and/or modify diff --git a/include/asm-powerpc/iseries/it_lp_reg_save.h b/include/asm-powerpc/iseries/it_lp_reg_save.h index 81824e1..5403b75 100644 --- a/include/asm-powerpc/iseries/it_lp_reg_save.h +++ b/include/asm-powerpc/iseries/it_lp_reg_save.h @@ -1,5 +1,4 @@ /* - * ItLpRegSave.h * Copyright (C) 2001 Mike Corrigan IBM Corporation * * This program is free software; you can redistribute it and/or modify @@ -83,4 +82,4 @@ struct ItLpRegSave { extern struct ItLpRegSave iseries_reg_save[]; -#endif /* _ITLPREGSAVE_H */ +#endif /* _ASM_POWERPC_ISERIES_IT_LP_REG_SAVE_H */ diff --git a/include/asm-powerpc/iseries/lpar_map.h b/include/asm-powerpc/iseries/lpar_map.h index 84fc321..2ec384d 100644 --- a/include/asm-powerpc/iseries/lpar_map.h +++ b/include/asm-powerpc/iseries/lpar_map.h @@ -1,5 +1,4 @@ /* - * LparMap.h * Copyright (C) 2001 Mike Corrigan IBM Corporation * * This program is free software; you can redistribute it and/or modify diff --git a/include/asm-powerpc/iseries/mf.h b/include/asm-powerpc/iseries/mf.h index e7bd57a..857e520 100644 --- a/include/asm-powerpc/iseries/mf.h +++ b/include/asm-powerpc/iseries/mf.h @@ -1,5 +1,4 @@ /* - * mf.h * Copyright (C) 2001 Troy D. Armstrong IBM Corporation * Copyright (C) 2004 Stephen Rothwell IBM Corporation * diff --git a/include/asm-powerpc/iseries/vio.h b/include/asm-powerpc/iseries/vio.h index 7e3a469..72a97d3 100644 --- a/include/asm-powerpc/iseries/vio.h +++ b/include/asm-powerpc/iseries/vio.h @@ -1,5 +1,4 @@ /* -*- linux-c -*- - * drivers/char/vio.h * * iSeries Virtual I/O Message Path header * diff --git a/include/asm-powerpc/pci-bridge.h b/include/asm-powerpc/pci-bridge.h index b0d816f..38de92d 100644 --- a/include/asm-powerpc/pci-bridge.h +++ b/include/asm-powerpc/pci-bridge.h @@ -142,8 +142,6 @@ void pcibios_fixup_new_pci_devices(struct pci_bus *bus, int fix_bus); extern int pcibios_remove_root_bus(struct pci_controller *phb); -extern void phbs_remap_io(void); - static inline struct pci_controller *pci_bus_to_host(struct pci_bus *bus) { struct device_node *busdn = bus->sysdata; diff --git a/include/asm-powerpc/system.h b/include/asm-powerpc/system.h index 1be629b..9b822af 100644 --- a/include/asm-powerpc/system.h +++ b/include/asm-powerpc/system.h @@ -133,6 +133,14 @@ extern int fix_alignment(struct pt_regs *); extern void cvt_fd(float *from, double *to, struct thread_struct *thread); extern void cvt_df(double *from, float *to, struct thread_struct *thread); +#ifndef CONFIG_SMP +extern void discard_lazy_cpu_state(void); +#else +static inline void discard_lazy_cpu_state(void) +{ +} +#endif + #ifdef CONFIG_ALTIVEC extern void flush_altivec_to_thread(struct task_struct *); #else diff --git a/include/asm-ppc/system.h b/include/asm-ppc/system.h index 212dca66..fb49c0c 100644 --- a/include/asm-ppc/system.h +++ b/include/asm-ppc/system.h @@ -4,7 +4,6 @@ #ifndef __PPC_SYSTEM_H #define __PPC_SYSTEM_H -#include <linux/config.h> #include <linux/kernel.h> #include <asm/atomic.h> @@ -39,7 +38,7 @@ #ifdef CONFIG_SMP #define smp_mb() mb() #define smp_rmb() rmb() -#define smp_wmb() wmb() +#define smp_wmb() __asm__ __volatile__ ("eieio" : : : "memory") #define smp_read_barrier_depends() read_barrier_depends() #else #define smp_mb() barrier() @@ -74,6 +73,7 @@ extern void chrp_nvram_init(void); extern void read_rtc_time(void); extern void pmac_find_display(void); extern void giveup_fpu(struct task_struct *); +extern void disable_kernel_fp(void); extern void enable_kernel_fp(void); extern void flush_fp_to_thread(struct task_struct *); extern void enable_kernel_altivec(void); @@ -86,6 +86,14 @@ extern int fix_alignment(struct pt_regs *); extern void cvt_fd(float *from, double *to, struct thread_struct *thread); extern void cvt_df(double *from, float *to, struct thread_struct *thread); +#ifndef CONFIG_SMP +extern void discard_lazy_cpu_state(void); +#else +static inline void discard_lazy_cpu_state(void) +{ +} +#endif + #ifdef CONFIG_ALTIVEC extern void flush_altivec_to_thread(struct task_struct *); #else |