diff options
Diffstat (limited to 'arch/ia64')
-rw-r--r-- | arch/ia64/Kconfig | 2 | ||||
-rw-r--r-- | arch/ia64/hp/sim/simserial.c | 2 | ||||
-rw-r--r-- | arch/ia64/ia32/sys_ia32.c | 23 | ||||
-rw-r--r-- | arch/ia64/kernel/Makefile | 1 | ||||
-rw-r--r-- | arch/ia64/kernel/acpi-processor.c | 2 | ||||
-rw-r--r-- | arch/ia64/kernel/entry.S | 6 | ||||
-rw-r--r-- | arch/ia64/kernel/irq_ia64.c | 22 | ||||
-rw-r--r-- | arch/ia64/kernel/kprobes.c | 98 | ||||
-rw-r--r-- | arch/ia64/kernel/msi_ia64.c | 143 | ||||
-rw-r--r-- | arch/ia64/kernel/numa.c | 1 | ||||
-rw-r--r-- | arch/ia64/kernel/process.c | 2 | ||||
-rw-r--r-- | arch/ia64/kernel/setup.c | 1 | ||||
-rw-r--r-- | arch/ia64/pci/pci.c | 9 | ||||
-rw-r--r-- | arch/ia64/sn/kernel/Makefile | 1 | ||||
-rw-r--r-- | arch/ia64/sn/kernel/msi_sn.c | 230 | ||||
-rw-r--r-- | arch/ia64/sn/kernel/sn2/sn_hwperf.c | 2 | ||||
-rw-r--r-- | arch/ia64/sn/kernel/xpnet.c | 2 |
17 files changed, 475 insertions, 72 deletions
diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig index 0b7f701d5cf7e..70f7eb9fed356 100644 --- a/arch/ia64/Kconfig +++ b/arch/ia64/Kconfig @@ -516,7 +516,7 @@ source "arch/ia64/oprofile/Kconfig" config KPROBES bool "Kprobes (EXPERIMENTAL)" - depends on EXPERIMENTAL && MODULES + depends on KALLSYMS && EXPERIMENTAL && MODULES help Kprobes allows you to trap at almost any kernel address and execute a callback function. register_kprobe() establishes diff --git a/arch/ia64/hp/sim/simserial.c b/arch/ia64/hp/sim/simserial.c index 0daacc20ed36e..246eb3d3757ad 100644 --- a/arch/ia64/hp/sim/simserial.c +++ b/arch/ia64/hp/sim/simserial.c @@ -940,7 +940,7 @@ static inline void show_serial_version(void) printk(KERN_INFO " no serial options enabled\n"); } -static struct tty_operations hp_ops = { +static const struct tty_operations hp_ops = { .open = rs_open, .close = rs_close, .write = rs_write, diff --git a/arch/ia64/ia32/sys_ia32.c b/arch/ia64/ia32/sys_ia32.c index bddbd22706ed1..9d6a3f210148f 100644 --- a/arch/ia64/ia32/sys_ia32.c +++ b/arch/ia64/ia32/sys_ia32.c @@ -125,6 +125,7 @@ sys32_execve (char __user *name, compat_uptr_t __user *argv, compat_uptr_t __use int cp_compat_stat(struct kstat *stat, struct compat_stat __user *ubuf) { + compat_ino_t ino; int err; if ((u64) stat->size > MAX_NON_LFS || @@ -132,11 +133,15 @@ int cp_compat_stat(struct kstat *stat, struct compat_stat __user *ubuf) !old_valid_dev(stat->rdev)) return -EOVERFLOW; + ino = stat->ino; + if (sizeof(ino) < sizeof(stat->ino) && ino != stat->ino) + return -EOVERFLOW; + if (clear_user(ubuf, sizeof(*ubuf))) return -EFAULT; err = __put_user(old_encode_dev(stat->dev), &ubuf->st_dev); - err |= __put_user(stat->ino, &ubuf->st_ino); + err |= __put_user(ino, &ubuf->st_ino); err |= __put_user(stat->mode, &ubuf->st_mode); err |= __put_user(stat->nlink, &ubuf->st_nlink); err |= __put_user(high2lowuid(stat->uid), &ubuf->st_uid); @@ -1222,16 +1227,20 @@ struct readdir32_callback { }; static int -filldir32 (void *__buf, const char *name, int namlen, loff_t offset, ino_t ino, +filldir32 (void *__buf, const char *name, int namlen, loff_t offset, u64 ino, unsigned int d_type) { struct compat_dirent __user * dirent; struct getdents32_callback * buf = (struct getdents32_callback *) __buf; int reclen = ROUND_UP(offsetof(struct compat_dirent, d_name) + namlen + 1, 4); + u32 d_ino; buf->error = -EINVAL; /* only used if we fail.. */ if (reclen > buf->count) return -EINVAL; + d_ino = ino; + if (sizeof(d_ino) < sizeof(ino) && d_ino != ino) + return -EOVERFLOW; buf->error = -EFAULT; /* only used if we fail.. */ dirent = buf->previous; if (dirent) @@ -1239,7 +1248,7 @@ filldir32 (void *__buf, const char *name, int namlen, loff_t offset, ino_t ino, return -EFAULT; dirent = buf->current_dir; buf->previous = dirent; - if (put_user(ino, &dirent->d_ino) + if (put_user(d_ino, &dirent->d_ino) || put_user(reclen, &dirent->d_reclen) || copy_to_user(dirent->d_name, name, namlen) || put_user(0, dirent->d_name + namlen)) @@ -1287,17 +1296,21 @@ out: } static int -fillonedir32 (void * __buf, const char * name, int namlen, loff_t offset, ino_t ino, +fillonedir32 (void * __buf, const char * name, int namlen, loff_t offset, u64 ino, unsigned int d_type) { struct readdir32_callback * buf = (struct readdir32_callback *) __buf; struct old_linux32_dirent __user * dirent; + u32 d_ino; if (buf->count) return -EINVAL; + d_ino = ino; + if (sizeof(d_ino) < sizeof(ino) && d_ino != ino) + return -EOVERFLOW; buf->count++; dirent = buf->dirent; - if (put_user(ino, &dirent->d_ino) + if (put_user(d_ino, &dirent->d_ino) || put_user(offset, &dirent->d_offset) || put_user(namlen, &dirent->d_namlen) || copy_to_user(dirent->d_name, name, namlen) diff --git a/arch/ia64/kernel/Makefile b/arch/ia64/kernel/Makefile index 31497496eb4bf..cfa099b04cda9 100644 --- a/arch/ia64/kernel/Makefile +++ b/arch/ia64/kernel/Makefile @@ -30,6 +30,7 @@ obj-$(CONFIG_IA64_MCA_RECOVERY) += mca_recovery.o obj-$(CONFIG_KPROBES) += kprobes.o jprobes.o obj-$(CONFIG_IA64_UNCACHED_ALLOCATOR) += uncached.o obj-$(CONFIG_AUDIT) += audit.o +obj-$(CONFIG_PCI_MSI) += msi_ia64.o mca_recovery-y += mca_drv.o mca_drv_asm.o obj-$(CONFIG_IA64_ESI) += esi.o diff --git a/arch/ia64/kernel/acpi-processor.c b/arch/ia64/kernel/acpi-processor.c index e683630c8ce29..4d4993a47e559 100644 --- a/arch/ia64/kernel/acpi-processor.c +++ b/arch/ia64/kernel/acpi-processor.c @@ -1,5 +1,5 @@ /* - * arch/ia64/kernel/cpufreq/processor.c + * arch/ia64/kernel/acpi-processor.c * * Copyright (C) 2005 Intel Corporation * Venkatesh Pallipadi <venkatesh.pallipadi@intel.com> diff --git a/arch/ia64/kernel/entry.S b/arch/ia64/kernel/entry.S index 12701cf32d994..3390b7c5a63fa 100644 --- a/arch/ia64/kernel/entry.S +++ b/arch/ia64/kernel/entry.S @@ -1,5 +1,5 @@ /* - * ia64/kernel/entry.S + * arch/ia64/kernel/entry.S * * Kernel entry points. * @@ -492,11 +492,11 @@ GLOBAL_ENTRY(prefetch_stack) br.ret.sptk.many rp END(prefetch_stack) -GLOBAL_ENTRY(execve) +GLOBAL_ENTRY(kernel_execve) mov r15=__NR_execve // put syscall number in place break __BREAK_SYSCALL br.ret.sptk.many rp -END(execve) +END(kernel_execve) GLOBAL_ENTRY(clone) mov r15=__NR_clone // put syscall number in place diff --git a/arch/ia64/kernel/irq_ia64.c b/arch/ia64/kernel/irq_ia64.c index a041367f043bb..ab2d19c3661f0 100644 --- a/arch/ia64/kernel/irq_ia64.c +++ b/arch/ia64/kernel/irq_ia64.c @@ -1,5 +1,5 @@ /* - * linux/arch/ia64/kernel/irq.c + * linux/arch/ia64/kernel/irq_ia64.c * * Copyright (C) 1998-2001 Hewlett-Packard Co * Stephane Eranian <eranian@hpl.hp.com> @@ -30,6 +30,7 @@ #include <linux/smp_lock.h> #include <linux/threads.h> #include <linux/bitops.h> +#include <linux/irq.h> #include <asm/delay.h> #include <asm/intrinsics.h> @@ -105,6 +106,25 @@ reserve_irq_vector (int vector) return test_and_set_bit(pos, ia64_vector_mask); } +/* + * Dynamic irq allocate and deallocation for MSI + */ +int create_irq(void) +{ + int vector = assign_irq_vector(AUTO_ASSIGN); + + if (vector >= 0) + dynamic_irq_init(vector); + + return vector; +} + +void destroy_irq(unsigned int irq) +{ + dynamic_irq_cleanup(irq); + free_irq_vector(irq); +} + #ifdef CONFIG_SMP # define IS_RESCHEDULE(vec) (vec == IA64_IPI_RESCHEDULE) #else diff --git a/arch/ia64/kernel/kprobes.c b/arch/ia64/kernel/kprobes.c index 169ec3a7156ce..51217d63285ea 100644 --- a/arch/ia64/kernel/kprobes.c +++ b/arch/ia64/kernel/kprobes.c @@ -90,7 +90,7 @@ static void __kprobes update_kprobe_inst_flag(uint template, uint slot, p->ainsn.target_br_reg = 0; /* Check for Break instruction - * Bits 37:40 Major opcode to be zero + * Bits 37:40 Major opcode to be zero * Bits 27:32 X6 to be zero * Bits 32:35 X3 to be zero */ @@ -104,19 +104,19 @@ static void __kprobes update_kprobe_inst_flag(uint template, uint slot, switch (major_opcode) { case INDIRECT_CALL_OPCODE: p->ainsn.inst_flag |= INST_FLAG_FIX_BRANCH_REG; - p->ainsn.target_br_reg = ((kprobe_inst >> 6) & 0x7); - break; + p->ainsn.target_br_reg = ((kprobe_inst >> 6) & 0x7); + break; case IP_RELATIVE_PREDICT_OPCODE: case IP_RELATIVE_BRANCH_OPCODE: p->ainsn.inst_flag |= INST_FLAG_FIX_RELATIVE_IP_ADDR; - break; + break; case IP_RELATIVE_CALL_OPCODE: - p->ainsn.inst_flag |= INST_FLAG_FIX_RELATIVE_IP_ADDR; - p->ainsn.inst_flag |= INST_FLAG_FIX_BRANCH_REG; - p->ainsn.target_br_reg = ((kprobe_inst >> 6) & 0x7); - break; + p->ainsn.inst_flag |= INST_FLAG_FIX_RELATIVE_IP_ADDR; + p->ainsn.inst_flag |= INST_FLAG_FIX_BRANCH_REG; + p->ainsn.target_br_reg = ((kprobe_inst >> 6) & 0x7); + break; } - } else if (bundle_encoding[template][slot] == X) { + } else if (bundle_encoding[template][slot] == X) { switch (major_opcode) { case LONG_CALL_OPCODE: p->ainsn.inst_flag |= INST_FLAG_FIX_BRANCH_REG; @@ -258,18 +258,18 @@ static void __kprobes get_kprobe_inst(bundle_t *bundle, uint slot, switch (slot) { case 0: - *major_opcode = (bundle->quad0.slot0 >> SLOT0_OPCODE_SHIFT); - *kprobe_inst = bundle->quad0.slot0; - break; + *major_opcode = (bundle->quad0.slot0 >> SLOT0_OPCODE_SHIFT); + *kprobe_inst = bundle->quad0.slot0; + break; case 1: - *major_opcode = (bundle->quad1.slot1_p1 >> SLOT1_p1_OPCODE_SHIFT); - kprobe_inst_p0 = bundle->quad0.slot1_p0; - kprobe_inst_p1 = bundle->quad1.slot1_p1; - *kprobe_inst = kprobe_inst_p0 | (kprobe_inst_p1 << (64-46)); + *major_opcode = (bundle->quad1.slot1_p1 >> SLOT1_p1_OPCODE_SHIFT); + kprobe_inst_p0 = bundle->quad0.slot1_p0; + kprobe_inst_p1 = bundle->quad1.slot1_p1; + *kprobe_inst = kprobe_inst_p0 | (kprobe_inst_p1 << (64-46)); break; case 2: - *major_opcode = (bundle->quad1.slot2 >> SLOT2_OPCODE_SHIFT); - *kprobe_inst = bundle->quad1.slot2; + *major_opcode = (bundle->quad1.slot2 >> SLOT2_OPCODE_SHIFT); + *kprobe_inst = bundle->quad1.slot2; break; } } @@ -290,11 +290,11 @@ static int __kprobes valid_kprobe_addr(int template, int slot, return -EINVAL; } - if (in_ivt_functions(addr)) { - printk(KERN_WARNING "Kprobes can't be inserted inside " + if (in_ivt_functions(addr)) { + printk(KERN_WARNING "Kprobes can't be inserted inside " "IVT functions at 0x%lx\n", addr); - return -EINVAL; - } + return -EINVAL; + } if (slot == 1 && bundle_encoding[template][1] != L) { printk(KERN_WARNING "Inserting kprobes on slot #1 " @@ -338,12 +338,13 @@ static void kretprobe_trampoline(void) int __kprobes trampoline_probe_handler(struct kprobe *p, struct pt_regs *regs) { struct kretprobe_instance *ri = NULL; - struct hlist_head *head; + struct hlist_head *head, empty_rp; struct hlist_node *node, *tmp; unsigned long flags, orig_ret_address = 0; unsigned long trampoline_address = ((struct fnptr *)kretprobe_trampoline)->ip; + INIT_HLIST_HEAD(&empty_rp); spin_lock_irqsave(&kretprobe_lock, flags); head = kretprobe_inst_table_head(current); @@ -369,7 +370,7 @@ int __kprobes trampoline_probe_handler(struct kprobe *p, struct pt_regs *regs) ri->rp->handler(ri, regs); orig_ret_address = (unsigned long)ri->ret_addr; - recycle_rp_inst(ri); + recycle_rp_inst(ri, &empty_rp); if (orig_ret_address != trampoline_address) /* @@ -387,6 +388,10 @@ int __kprobes trampoline_probe_handler(struct kprobe *p, struct pt_regs *regs) spin_unlock_irqrestore(&kretprobe_lock, flags); preempt_enable_no_resched(); + hlist_for_each_entry_safe(ri, node, tmp, &empty_rp, hlist) { + hlist_del(&ri->hlist); + kfree(ri); + } /* * By returning a non-zero value, we are telling * kprobe_handler() that we don't want the post_handler @@ -424,14 +429,14 @@ int __kprobes arch_prepare_kprobe(struct kprobe *p) bundle_t *bundle; bundle = &((kprobe_opcode_t *)kprobe_addr)->bundle; - template = bundle->quad0.template; + template = bundle->quad0.template; if(valid_kprobe_addr(template, slot, addr)) return -EINVAL; /* Move to slot 2, if bundle is MLX type and kprobe slot is 1 */ - if (slot == 1 && bundle_encoding[template][1] == L) - slot++; + if (slot == 1 && bundle_encoding[template][1] == L) + slot++; /* Get kprobe_inst and major_opcode from the bundle */ get_kprobe_inst(bundle, slot, &kprobe_inst, &major_opcode); @@ -489,21 +494,22 @@ void __kprobes arch_remove_kprobe(struct kprobe *p) */ static void __kprobes resume_execution(struct kprobe *p, struct pt_regs *regs) { - unsigned long bundle_addr = (unsigned long) (&p->ainsn.insn->bundle); - unsigned long resume_addr = (unsigned long)p->addr & ~0xFULL; - unsigned long template; - int slot = ((unsigned long)p->addr & 0xf); + unsigned long bundle_addr = (unsigned long) (&p->ainsn.insn->bundle); + unsigned long resume_addr = (unsigned long)p->addr & ~0xFULL; + unsigned long template; + int slot = ((unsigned long)p->addr & 0xf); template = p->ainsn.insn->bundle.quad0.template; - if (slot == 1 && bundle_encoding[template][1] == L) - slot = 2; + if (slot == 1 && bundle_encoding[template][1] == L) + slot = 2; if (p->ainsn.inst_flag) { if (p->ainsn.inst_flag & INST_FLAG_FIX_RELATIVE_IP_ADDR) { /* Fix relative IP address */ - regs->cr_iip = (regs->cr_iip - bundle_addr) + resume_addr; + regs->cr_iip = (regs->cr_iip - bundle_addr) + + resume_addr; } if (p->ainsn.inst_flag & INST_FLAG_FIX_BRANCH_REG) { @@ -540,18 +546,18 @@ static void __kprobes resume_execution(struct kprobe *p, struct pt_regs *regs) } if (slot == 2) { - if (regs->cr_iip == bundle_addr + 0x10) { - regs->cr_iip = resume_addr + 0x10; - } - } else { - if (regs->cr_iip == bundle_addr) { - regs->cr_iip = resume_addr; - } + if (regs->cr_iip == bundle_addr + 0x10) { + regs->cr_iip = resume_addr + 0x10; + } + } else { + if (regs->cr_iip == bundle_addr) { + regs->cr_iip = resume_addr; + } } turn_ss_off: - /* Turn off Single Step bit */ - ia64_psr(regs)->ss = 0; + /* Turn off Single Step bit */ + ia64_psr(regs)->ss = 0; } static void __kprobes prepare_ss(struct kprobe *p, struct pt_regs *regs) @@ -587,7 +593,7 @@ static int __kprobes is_ia64_break_inst(struct pt_regs *regs) /* Move to slot 2, if bundle is MLX type and kprobe slot is 1 */ if (slot == 1 && bundle_encoding[template][1] == L) - slot++; + slot++; /* Get Kprobe probe instruction at given slot*/ get_kprobe_inst(&bundle, slot, &kprobe_inst, &major_opcode); @@ -627,7 +633,7 @@ static int __kprobes pre_kprobes_handler(struct die_args *args) if (p) { if ((kcb->kprobe_status == KPROBE_HIT_SS) && (p->ainsn.inst_flag == INST_FLAG_BREAK_INST)) { - ia64_psr(regs)->ss = 0; + ia64_psr(regs)->ss = 0; goto no_kprobe; } /* We have reentered the pre_kprobe_handler(), since @@ -887,7 +893,7 @@ int __kprobes setjmp_pre_handler(struct kprobe *p, struct pt_regs *regs) * fix the return address to our jprobe_inst_return() function * in the jprobes.S file */ - regs->b0 = ((struct fnptr *)(jprobe_inst_return))->ip; + regs->b0 = ((struct fnptr *)(jprobe_inst_return))->ip; return 1; } diff --git a/arch/ia64/kernel/msi_ia64.c b/arch/ia64/kernel/msi_ia64.c new file mode 100644 index 0000000000000..822e59a1b822f --- /dev/null +++ b/arch/ia64/kernel/msi_ia64.c @@ -0,0 +1,143 @@ +/* + * MSI hooks for standard x86 apic + */ + +#include <linux/pci.h> +#include <linux/irq.h> +#include <linux/msi.h> +#include <asm/smp.h> + +/* + * Shifts for APIC-based data + */ + +#define MSI_DATA_VECTOR_SHIFT 0 +#define MSI_DATA_VECTOR(v) (((u8)v) << MSI_DATA_VECTOR_SHIFT) + +#define MSI_DATA_DELIVERY_SHIFT 8 +#define MSI_DATA_DELIVERY_FIXED (0 << MSI_DATA_DELIVERY_SHIFT) +#define MSI_DATA_DELIVERY_LOWPRI (1 << MSI_DATA_DELIVERY_SHIFT) + +#define MSI_DATA_LEVEL_SHIFT 14 +#define MSI_DATA_LEVEL_DEASSERT (0 << MSI_DATA_LEVEL_SHIFT) +#define MSI_DATA_LEVEL_ASSERT (1 << MSI_DATA_LEVEL_SHIFT) + +#define MSI_DATA_TRIGGER_SHIFT 15 +#define MSI_DATA_TRIGGER_EDGE (0 << MSI_DATA_TRIGGER_SHIFT) +#define MSI_DATA_TRIGGER_LEVEL (1 << MSI_DATA_TRIGGER_SHIFT) + +/* + * Shift/mask fields for APIC-based bus address + */ + +#define MSI_TARGET_CPU_SHIFT 4 +#define MSI_ADDR_HEADER 0xfee00000 + +#define MSI_ADDR_DESTID_MASK 0xfff0000f +#define MSI_ADDR_DESTID_CPU(cpu) ((cpu) << MSI_TARGET_CPU_SHIFT) + +#define MSI_ADDR_DESTMODE_SHIFT 2 +#define MSI_ADDR_DESTMODE_PHYS (0 << MSI_ADDR_DESTMODE_SHIFT) +#define MSI_ADDR_DESTMODE_LOGIC (1 << MSI_ADDR_DESTMODE_SHIFT) + +#define MSI_ADDR_REDIRECTION_SHIFT 3 +#define MSI_ADDR_REDIRECTION_CPU (0 << MSI_ADDR_REDIRECTION_SHIFT) +#define MSI_ADDR_REDIRECTION_LOWPRI (1 << MSI_ADDR_REDIRECTION_SHIFT) + +static struct irq_chip ia64_msi_chip; + +#ifdef CONFIG_SMP +static void ia64_set_msi_irq_affinity(unsigned int irq, cpumask_t cpu_mask) +{ + struct msi_msg msg; + u32 addr; + + read_msi_msg(irq, &msg); + + addr = msg.address_lo; + addr &= MSI_ADDR_DESTID_MASK; + addr |= MSI_ADDR_DESTID_CPU(cpu_physical_id(first_cpu(cpu_mask))); + msg.address_lo = addr; + + write_msi_msg(irq, &msg); + set_native_irq_info(irq, cpu_mask); +} +#endif /* CONFIG_SMP */ + +int ia64_setup_msi_irq(unsigned int irq, struct pci_dev *pdev) +{ + struct msi_msg msg; + unsigned long dest_phys_id; + unsigned int vector; + + dest_phys_id = cpu_physical_id(first_cpu(cpu_online_map)); + vector = irq; + + msg.address_hi = 0; + msg.address_lo = + MSI_ADDR_HEADER | + MSI_ADDR_DESTMODE_PHYS | + MSI_ADDR_REDIRECTION_CPU | + MSI_ADDR_DESTID_CPU(dest_phys_id); + + msg.data = + MSI_DATA_TRIGGER_EDGE | + MSI_DATA_LEVEL_ASSERT | + MSI_DATA_DELIVERY_FIXED | + MSI_DATA_VECTOR(vector); + + write_msi_msg(irq, &msg); + set_irq_chip_and_handler(irq, &ia64_msi_chip, handle_edge_irq); + + return 0; +} + +void ia64_teardown_msi_irq(unsigned int irq) +{ + return; /* no-op */ +} + +static void ia64_ack_msi_irq(unsigned int irq) +{ + move_native_irq(irq); + ia64_eoi(); +} + +static int ia64_msi_retrigger_irq(unsigned int irq) +{ + unsigned int vector = irq; + ia64_resend_irq(vector); + + return 1; +} + +/* + * Generic ops used on most IA64 platforms. + */ +static struct irq_chip ia64_msi_chip = { + .name = "PCI-MSI", + .mask = mask_msi_irq, + .unmask = unmask_msi_irq, + .ack = ia64_ack_msi_irq, +#ifdef CONFIG_SMP + .set_affinity = ia64_set_msi_irq_affinity, +#endif + .retrigger = ia64_msi_retrigger_irq, +}; + + +int arch_setup_msi_irq(unsigned int irq, struct pci_dev *pdev) +{ + if (platform_setup_msi_irq) + return platform_setup_msi_irq(irq, pdev); + + return ia64_setup_msi_irq(irq, pdev); +} + +void arch_teardown_msi_irq(unsigned int irq) +{ + if (platform_teardown_msi_irq) + return platform_teardown_msi_irq(irq); + + return ia64_teardown_msi_irq(irq); +} diff --git a/arch/ia64/kernel/numa.c b/arch/ia64/kernel/numa.c index 20340631179f6..a78b45f5fe2f9 100644 --- a/arch/ia64/kernel/numa.c +++ b/arch/ia64/kernel/numa.c @@ -28,6 +28,7 @@ u16 cpu_to_node_map[NR_CPUS] __cacheline_aligned; EXPORT_SYMBOL(cpu_to_node_map); cpumask_t node_to_cpu_mask[MAX_NUMNODES] __cacheline_aligned; +EXPORT_SYMBOL(node_to_cpu_mask); void __cpuinit map_cpu_to_node(int cpu, int nid) { diff --git a/arch/ia64/kernel/process.c b/arch/ia64/kernel/process.c index ea914cc6812a0..51922b98086af 100644 --- a/arch/ia64/kernel/process.c +++ b/arch/ia64/kernel/process.c @@ -8,8 +8,6 @@ * 2005-10-07 Keith Owens <kaos@sgi.com> * Add notify_die() hooks. */ -#define __KERNEL_SYSCALLS__ /* see <asm/unistd.h> */ - #include <linux/cpu.h> #include <linux/pm.h> #include <linux/elf.h> diff --git a/arch/ia64/kernel/setup.c b/arch/ia64/kernel/setup.c index 84f93c0f2c666..c4caa80034922 100644 --- a/arch/ia64/kernel/setup.c +++ b/arch/ia64/kernel/setup.c @@ -54,7 +54,6 @@ #include <asm/processor.h> #include <asm/sal.h> #include <asm/sections.h> -#include <asm/serial.h> #include <asm/setup.h> #include <asm/smp.h> #include <asm/system.h> diff --git a/arch/ia64/pci/pci.c b/arch/ia64/pci/pci.c index 15c7c670da39e..b30be7c48ba8d 100644 --- a/arch/ia64/pci/pci.c +++ b/arch/ia64/pci/pci.c @@ -810,12 +810,3 @@ pcibios_prep_mwi (struct pci_dev *dev) } return rc; } - -int pci_vector_resources(int last, int nr_released) -{ - int count = nr_released; - - count += (IA64_LAST_DEVICE_VECTOR - last); - - return count; -} diff --git a/arch/ia64/sn/kernel/Makefile b/arch/ia64/sn/kernel/Makefile index ab9c48c880129..2d78f34dd763a 100644 --- a/arch/ia64/sn/kernel/Makefile +++ b/arch/ia64/sn/kernel/Makefile @@ -19,3 +19,4 @@ xp-y := xp_main.o xp_nofault.o obj-$(CONFIG_IA64_SGI_SN_XP) += xpc.o xpc-y := xpc_main.o xpc_channel.o xpc_partition.o obj-$(CONFIG_IA64_SGI_SN_XP) += xpnet.o +obj-$(CONFIG_PCI_MSI) += msi_sn.o diff --git a/arch/ia64/sn/kernel/msi_sn.c b/arch/ia64/sn/kernel/msi_sn.c new file mode 100644 index 0000000000000..6ffd1f850d41b --- /dev/null +++ b/arch/ia64/sn/kernel/msi_sn.c @@ -0,0 +1,230 @@ +/* + * 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) 2006 Silicon Graphics, Inc. All Rights Reserved. + */ + +#include <linux/types.h> +#include <linux/irq.h> +#include <linux/pci.h> +#include <linux/cpumask.h> +#include <linux/msi.h> + +#include <asm/sn/addrs.h> +#include <asm/sn/intr.h> +#include <asm/sn/pcibus_provider_defs.h> +#include <asm/sn/pcidev.h> +#include <asm/sn/nodepda.h> + +struct sn_msi_info { + u64 pci_addr; + struct sn_irq_info *sn_irq_info; +}; + +static struct sn_msi_info sn_msi_info[NR_IRQS]; + +static struct irq_chip sn_msi_chip; + +void sn_teardown_msi_irq(unsigned int irq) +{ + nasid_t nasid; + int widget; + struct pci_dev *pdev; + struct pcidev_info *sn_pdev; + struct sn_irq_info *sn_irq_info; + struct pcibus_bussoft *bussoft; + struct sn_pcibus_provider *provider; + + sn_irq_info = sn_msi_info[irq].sn_irq_info; + if (sn_irq_info == NULL || sn_irq_info->irq_int_bit >= 0) + return; + + sn_pdev = (struct pcidev_info *)sn_irq_info->irq_pciioinfo; + pdev = sn_pdev->pdi_linux_pcidev; + provider = SN_PCIDEV_BUSPROVIDER(pdev); + + (*provider->dma_unmap)(pdev, + sn_msi_info[irq].pci_addr, + PCI_DMA_FROMDEVICE); + sn_msi_info[irq].pci_addr = 0; + + bussoft = SN_PCIDEV_BUSSOFT(pdev); + nasid = NASID_GET(bussoft->bs_base); + widget = (nasid & 1) ? + TIO_SWIN_WIDGETNUM(bussoft->bs_base) : + SWIN_WIDGETNUM(bussoft->bs_base); + + sn_intr_free(nasid, widget, sn_irq_info); + sn_msi_info[irq].sn_irq_info = NULL; + + return; +} + +int sn_setup_msi_irq(unsigned int irq, struct pci_dev *pdev) +{ + struct msi_msg msg; + struct msi_desc *entry; + int widget; + int status; + nasid_t nasid; + u64 bus_addr; + struct sn_irq_info *sn_irq_info; + struct pcibus_bussoft *bussoft = SN_PCIDEV_BUSSOFT(pdev); + struct sn_pcibus_provider *provider = SN_PCIDEV_BUSPROVIDER(pdev); + + entry = get_irq_data(irq); + if (!entry->msi_attrib.is_64) + return -EINVAL; + + if (bussoft == NULL) + return -EINVAL; + + if (provider == NULL || provider->dma_map_consistent == NULL) + return -EINVAL; + + /* + * Set up the vector plumbing. Let the prom (via sn_intr_alloc) + * decide which cpu to direct this msi at by default. + */ + + nasid = NASID_GET(bussoft->bs_base); + widget = (nasid & 1) ? + TIO_SWIN_WIDGETNUM(bussoft->bs_base) : + SWIN_WIDGETNUM(bussoft->bs_base); + + sn_irq_info = kzalloc(sizeof(struct sn_irq_info), GFP_KERNEL); + if (! sn_irq_info) + return -ENOMEM; + + status = sn_intr_alloc(nasid, widget, sn_irq_info, irq, -1, -1); + if (status) { + kfree(sn_irq_info); + return -ENOMEM; + } + + sn_irq_info->irq_int_bit = -1; /* mark this as an MSI irq */ + sn_irq_fixup(pdev, sn_irq_info); + + /* Prom probably should fill these in, but doesn't ... */ + sn_irq_info->irq_bridge_type = bussoft->bs_asic_type; + sn_irq_info->irq_bridge = (void *)bussoft->bs_base; + + /* + * Map the xio address into bus space + */ + bus_addr = (*provider->dma_map_consistent)(pdev, + sn_irq_info->irq_xtalkaddr, + sizeof(sn_irq_info->irq_xtalkaddr), + SN_DMA_MSI|SN_DMA_ADDR_XIO); + if (! bus_addr) { + sn_intr_free(nasid, widget, sn_irq_info); + kfree(sn_irq_info); + return -ENOMEM; + } + + sn_msi_info[irq].sn_irq_info = sn_irq_info; + sn_msi_info[irq].pci_addr = bus_addr; + + msg.address_hi = (u32)(bus_addr >> 32); + msg.address_lo = (u32)(bus_addr & 0x00000000ffffffff); + + /* + * In the SN platform, bit 16 is a "send vector" bit which + * must be present in order to move the vector through the system. + */ + msg.data = 0x100 + irq; + +#ifdef CONFIG_SMP + set_irq_affinity_info(irq, sn_irq_info->irq_cpuid, 0); +#endif + + write_msi_msg(irq, &msg); + set_irq_chip_and_handler(irq, &sn_msi_chip, handle_edge_irq); + + return 0; +} + +#ifdef CONFIG_SMP +static void sn_set_msi_irq_affinity(unsigned int irq, cpumask_t cpu_mask) +{ + struct msi_msg msg; + int slice; + nasid_t nasid; + u64 bus_addr; + struct pci_dev *pdev; + struct pcidev_info *sn_pdev; + struct sn_irq_info *sn_irq_info; + struct sn_irq_info *new_irq_info; + struct sn_pcibus_provider *provider; + unsigned int cpu; + + cpu = first_cpu(cpu_mask); + sn_irq_info = sn_msi_info[irq].sn_irq_info; + if (sn_irq_info == NULL || sn_irq_info->irq_int_bit >= 0) + return; + + /* + * Release XIO resources for the old MSI PCI address + */ + + read_msi_msg(irq, &msg); + sn_pdev = (struct pcidev_info *)sn_irq_info->irq_pciioinfo; + pdev = sn_pdev->pdi_linux_pcidev; + provider = SN_PCIDEV_BUSPROVIDER(pdev); + + bus_addr = (u64)(msg.address_hi) << 32 | (u64)(msg.address_lo); + (*provider->dma_unmap)(pdev, bus_addr, PCI_DMA_FROMDEVICE); + sn_msi_info[irq].pci_addr = 0; + + nasid = cpuid_to_nasid(cpu); + slice = cpuid_to_slice(cpu); + + new_irq_info = sn_retarget_vector(sn_irq_info, nasid, slice); + sn_msi_info[irq].sn_irq_info = new_irq_info; + if (new_irq_info == NULL) + return; + + /* + * Map the xio address into bus space + */ + + bus_addr = (*provider->dma_map_consistent)(pdev, + new_irq_info->irq_xtalkaddr, + sizeof(new_irq_info->irq_xtalkaddr), + SN_DMA_MSI|SN_DMA_ADDR_XIO); + + sn_msi_info[irq].pci_addr = bus_addr; + msg.address_hi = (u32)(bus_addr >> 32); + msg.address_lo = (u32)(bus_addr & 0x00000000ffffffff); + + write_msi_msg(irq, &msg); + set_native_irq_info(irq, cpu_mask); +} +#endif /* CONFIG_SMP */ + +static void sn_ack_msi_irq(unsigned int irq) +{ + move_native_irq(irq); + ia64_eoi(); +} + +static int sn_msi_retrigger_irq(unsigned int irq) +{ + unsigned int vector = irq; + ia64_resend_irq(vector); + + return 1; +} + +static struct irq_chip sn_msi_chip = { + .name = "PCI-MSI", + .mask = mask_msi_irq, + .unmask = unmask_msi_irq, + .ack = sn_ack_msi_irq, +#ifdef CONFIG_SMP + .set_affinity = sn_set_msi_irq_affinity, +#endif + .retrigger = sn_msi_retrigger_irq, +}; diff --git a/arch/ia64/sn/kernel/sn2/sn_hwperf.c b/arch/ia64/sn/kernel/sn2/sn_hwperf.c index b632b9c1e3b3e..462ea178f49ab 100644 --- a/arch/ia64/sn/kernel/sn2/sn_hwperf.c +++ b/arch/ia64/sn/kernel/sn2/sn_hwperf.c @@ -423,7 +423,7 @@ static int sn_topology_show(struct seq_file *s, void *d) "coherency_domain %d, " "region_size %d\n", - partid, system_utsname.nodename, + partid, utsname()->nodename, shubtype ? "shub2" : "shub1", (u64)nasid_mask << nasid_shift, nasid_msb, nasid_shift, system_size, sharing_size, coher, region_size); diff --git a/arch/ia64/sn/kernel/xpnet.c b/arch/ia64/sn/kernel/xpnet.c index 007703c494a43..c8173db0d84f6 100644 --- a/arch/ia64/sn/kernel/xpnet.c +++ b/arch/ia64/sn/kernel/xpnet.c @@ -225,7 +225,7 @@ xpnet_receive(partid_t partid, int channel, struct xpnet_message *msg) skb_put(skb, (msg->size - msg->leadin_ignore - msg->tailout_ignore)); /* - * Move the data over from the the other side. + * Move the data over from the other side. */ if ((XPNET_VERSION_MINOR(msg->version) == 1) && (msg->embedded_bytes != 0)) { |