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-rw-r--r--arch/ia64/Kconfig1
-rw-r--r--arch/ia64/hp/sim/hpsim_irq.c31
-rw-r--r--arch/ia64/include/asm/hw_irq.h3
-rw-r--r--arch/ia64/kernel/iosapic.c119
-rw-r--r--arch/ia64/kernel/irq.c73
-rw-r--r--arch/ia64/kernel/irq_ia64.c10
-rw-r--r--arch/ia64/kernel/irq_lsapic.c23
-rw-r--r--arch/ia64/kernel/mca.c4
-rw-r--r--arch/ia64/kernel/msi_ia64.c49
-rw-r--r--arch/ia64/kernel/smpboot.c14
-rw-r--r--arch/ia64/sn/kernel/irq.c97
-rw-r--r--arch/ia64/sn/kernel/msi_sn.c32
-rw-r--r--arch/ia64/xen/irq_xen.c4
13 files changed, 183 insertions, 277 deletions
diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig
index fcf3b43..c4ea092 100644
--- a/arch/ia64/Kconfig
+++ b/arch/ia64/Kconfig
@@ -26,6 +26,7 @@ config IA64
select GENERIC_IRQ_PROBE
select GENERIC_PENDING_IRQ if SMP
select IRQ_PER_CPU
+ select GENERIC_IRQ_SHOW
default y
help
The Itanium Processor Family is Intel's 64-bit successor to
diff --git a/arch/ia64/hp/sim/hpsim_irq.c b/arch/ia64/hp/sim/hpsim_irq.c
index b272261..4bd9a63 100644
--- a/arch/ia64/hp/sim/hpsim_irq.c
+++ b/arch/ia64/hp/sim/hpsim_irq.c
@@ -11,42 +11,41 @@
#include <linux/irq.h>
static unsigned int
-hpsim_irq_startup (unsigned int irq)
+hpsim_irq_startup(struct irq_data *data)
{
return 0;
}
static void
-hpsim_irq_noop (unsigned int irq)
+hpsim_irq_noop(struct irq_data *data)
{
}
static int
-hpsim_set_affinity_noop(unsigned int a, const struct cpumask *b)
+hpsim_set_affinity_noop(struct irq_data *d, const struct cpumask *b, bool f)
{
return 0;
}
static struct irq_chip irq_type_hp_sim = {
- .name = "hpsim",
- .startup = hpsim_irq_startup,
- .shutdown = hpsim_irq_noop,
- .enable = hpsim_irq_noop,
- .disable = hpsim_irq_noop,
- .ack = hpsim_irq_noop,
- .end = hpsim_irq_noop,
- .set_affinity = hpsim_set_affinity_noop,
+ .name = "hpsim",
+ .irq_startup = hpsim_irq_startup,
+ .irq_shutdown = hpsim_irq_noop,
+ .irq_enable = hpsim_irq_noop,
+ .irq_disable = hpsim_irq_noop,
+ .irq_ack = hpsim_irq_noop,
+ .irq_set_affinity = hpsim_set_affinity_noop,
};
void __init
hpsim_irq_init (void)
{
- struct irq_desc *idesc;
int i;
- for (i = 0; i < NR_IRQS; ++i) {
- idesc = irq_desc + i;
- if (idesc->chip == &no_irq_chip)
- idesc->chip = &irq_type_hp_sim;
+ for_each_active_irq(i) {
+ struct irq_chip *chip = irq_get_chip(i);
+
+ if (chip == &no_irq_chip)
+ irq_set_chip(i, &irq_type_hp_sim);
}
}
diff --git a/arch/ia64/include/asm/hw_irq.h b/arch/ia64/include/asm/hw_irq.h
index bf2e374..a681d02 100644
--- a/arch/ia64/include/asm/hw_irq.h
+++ b/arch/ia64/include/asm/hw_irq.h
@@ -151,9 +151,6 @@ static inline void ia64_native_resend_irq(unsigned int vector)
/*
* Default implementations for the irq-descriptor API:
*/
-
-extern struct irq_desc irq_desc[NR_IRQS];
-
#ifndef CONFIG_IA64_GENERIC
static inline ia64_vector __ia64_irq_to_vector(int irq)
{
diff --git a/arch/ia64/kernel/iosapic.c b/arch/ia64/kernel/iosapic.c
index 22c3840..b0f9afe 100644
--- a/arch/ia64/kernel/iosapic.c
+++ b/arch/ia64/kernel/iosapic.c
@@ -257,7 +257,7 @@ set_rte (unsigned int gsi, unsigned int irq, unsigned int dest, int mask)
}
static void
-nop (unsigned int irq)
+nop (struct irq_data *data)
{
/* do nothing... */
}
@@ -287,8 +287,9 @@ kexec_disable_iosapic(void)
#endif
static void
-mask_irq (unsigned int irq)
+mask_irq (struct irq_data *data)
{
+ unsigned int irq = data->irq;
u32 low32;
int rte_index;
struct iosapic_rte_info *rte;
@@ -305,8 +306,9 @@ mask_irq (unsigned int irq)
}
static void
-unmask_irq (unsigned int irq)
+unmask_irq (struct irq_data *data)
{
+ unsigned int irq = data->irq;
u32 low32;
int rte_index;
struct iosapic_rte_info *rte;
@@ -323,9 +325,11 @@ unmask_irq (unsigned int irq)
static int
-iosapic_set_affinity(unsigned int irq, const struct cpumask *mask)
+iosapic_set_affinity(struct irq_data *data, const struct cpumask *mask,
+ bool force)
{
#ifdef CONFIG_SMP
+ unsigned int irq = data->irq;
u32 high32, low32;
int cpu, dest, rte_index;
int redir = (irq & IA64_IRQ_REDIRECTED) ? 1 : 0;
@@ -379,32 +383,33 @@ iosapic_set_affinity(unsigned int irq, const struct cpumask *mask)
*/
static unsigned int
-iosapic_startup_level_irq (unsigned int irq)
+iosapic_startup_level_irq (struct irq_data *data)
{
- unmask_irq(irq);
+ unmask_irq(data);
return 0;
}
static void
-iosapic_unmask_level_irq (unsigned int irq)
+iosapic_unmask_level_irq (struct irq_data *data)
{
+ unsigned int irq = data->irq;
ia64_vector vec = irq_to_vector(irq);
struct iosapic_rte_info *rte;
int do_unmask_irq = 0;
irq_complete_move(irq);
- if (unlikely(irq_desc[irq].status & IRQ_MOVE_PENDING)) {
+ if (unlikely(irqd_is_setaffinity_pending(data))) {
do_unmask_irq = 1;
- mask_irq(irq);
+ mask_irq(data);
} else
- unmask_irq(irq);
+ unmask_irq(data);
list_for_each_entry(rte, &iosapic_intr_info[irq].rtes, rte_list)
iosapic_eoi(rte->iosapic->addr, vec);
if (unlikely(do_unmask_irq)) {
- move_masked_irq(irq);
- unmask_irq(irq);
+ irq_move_masked_irq(data);
+ unmask_irq(data);
}
}
@@ -414,15 +419,15 @@ iosapic_unmask_level_irq (unsigned int irq)
#define iosapic_ack_level_irq nop
static struct irq_chip irq_type_iosapic_level = {
- .name = "IO-SAPIC-level",
- .startup = iosapic_startup_level_irq,
- .shutdown = iosapic_shutdown_level_irq,
- .enable = iosapic_enable_level_irq,
- .disable = iosapic_disable_level_irq,
- .ack = iosapic_ack_level_irq,
- .mask = mask_irq,
- .unmask = iosapic_unmask_level_irq,
- .set_affinity = iosapic_set_affinity
+ .name = "IO-SAPIC-level",
+ .irq_startup = iosapic_startup_level_irq,
+ .irq_shutdown = iosapic_shutdown_level_irq,
+ .irq_enable = iosapic_enable_level_irq,
+ .irq_disable = iosapic_disable_level_irq,
+ .irq_ack = iosapic_ack_level_irq,
+ .irq_mask = mask_irq,
+ .irq_unmask = iosapic_unmask_level_irq,
+ .irq_set_affinity = iosapic_set_affinity
};
/*
@@ -430,9 +435,9 @@ static struct irq_chip irq_type_iosapic_level = {
*/
static unsigned int
-iosapic_startup_edge_irq (unsigned int irq)
+iosapic_startup_edge_irq (struct irq_data *data)
{
- unmask_irq(irq);
+ unmask_irq(data);
/*
* IOSAPIC simply drops interrupts pended while the
* corresponding pin was masked, so we can't know if an
@@ -442,37 +447,25 @@ iosapic_startup_edge_irq (unsigned int irq)
}
static void
-iosapic_ack_edge_irq (unsigned int irq)
+iosapic_ack_edge_irq (struct irq_data *data)
{
- struct irq_desc *idesc = irq_desc + irq;
-
- irq_complete_move(irq);
- move_native_irq(irq);
- /*
- * Once we have recorded IRQ_PENDING already, we can mask the
- * interrupt for real. This prevents IRQ storms from unhandled
- * devices.
- */
- if ((idesc->status & (IRQ_PENDING|IRQ_DISABLED)) ==
- (IRQ_PENDING|IRQ_DISABLED))
- mask_irq(irq);
+ irq_complete_move(data->irq);
+ irq_move_irq(data);
}
#define iosapic_enable_edge_irq unmask_irq
#define iosapic_disable_edge_irq nop
-#define iosapic_end_edge_irq nop
static struct irq_chip irq_type_iosapic_edge = {
- .name = "IO-SAPIC-edge",
- .startup = iosapic_startup_edge_irq,
- .shutdown = iosapic_disable_edge_irq,
- .enable = iosapic_enable_edge_irq,
- .disable = iosapic_disable_edge_irq,
- .ack = iosapic_ack_edge_irq,
- .end = iosapic_end_edge_irq,
- .mask = mask_irq,
- .unmask = unmask_irq,
- .set_affinity = iosapic_set_affinity
+ .name = "IO-SAPIC-edge",
+ .irq_startup = iosapic_startup_edge_irq,
+ .irq_shutdown = iosapic_disable_edge_irq,
+ .irq_enable = iosapic_enable_edge_irq,
+ .irq_disable = iosapic_disable_edge_irq,
+ .irq_ack = iosapic_ack_edge_irq,
+ .irq_mask = mask_irq,
+ .irq_unmask = unmask_irq,
+ .irq_set_affinity = iosapic_set_affinity
};
static unsigned int
@@ -562,8 +555,7 @@ static int
register_intr (unsigned int gsi, int irq, unsigned char delivery,
unsigned long polarity, unsigned long trigger)
{
- struct irq_desc *idesc;
- struct irq_chip *irq_type;
+ struct irq_chip *chip, *irq_type;
int index;
struct iosapic_rte_info *rte;
@@ -610,19 +602,18 @@ register_intr (unsigned int gsi, int irq, unsigned char delivery,
irq_type = iosapic_get_irq_chip(trigger);
- idesc = irq_desc + irq;
- if (irq_type != NULL && idesc->chip != irq_type) {
- if (idesc->chip != &no_irq_chip)
+ chip = irq_get_chip(irq);
+ if (irq_type != NULL && chip != irq_type) {
+ if (chip != &no_irq_chip)
printk(KERN_WARNING
"%s: changing vector %d from %s to %s\n",
__func__, irq_to_vector(irq),
- idesc->chip->name, irq_type->name);
- idesc->chip = irq_type;
+ chip->name, irq_type->name);
+ chip = irq_type;
}
- if (trigger == IOSAPIC_EDGE)
- __set_irq_handler_unlocked(irq, handle_edge_irq);
- else
- __set_irq_handler_unlocked(irq, handle_level_irq);
+ __irq_set_chip_handler_name_locked(irq, chip, trigger == IOSAPIC_EDGE ?
+ handle_edge_irq : handle_level_irq,
+ NULL);
return 0;
}
@@ -732,6 +723,7 @@ iosapic_register_intr (unsigned int gsi,
struct iosapic_rte_info *rte;
u32 low32;
unsigned char dmode;
+ struct irq_desc *desc;
/*
* If this GSI has already been registered (i.e., it's a
@@ -759,12 +751,13 @@ iosapic_register_intr (unsigned int gsi,
goto unlock_iosapic_lock;
}
- raw_spin_lock(&irq_desc[irq].lock);
+ desc = irq_to_desc(irq);
+ raw_spin_lock(&desc->lock);
dest = get_target_cpu(gsi, irq);
dmode = choose_dmode();
err = register_intr(gsi, irq, dmode, polarity, trigger);
if (err < 0) {
- raw_spin_unlock(&irq_desc[irq].lock);
+ raw_spin_unlock(&desc->lock);
irq = err;
goto unlock_iosapic_lock;
}
@@ -783,7 +776,7 @@ iosapic_register_intr (unsigned int gsi,
(polarity == IOSAPIC_POL_HIGH ? "high" : "low"),
cpu_logical_id(dest), dest, irq_to_vector(irq));
- raw_spin_unlock(&irq_desc[irq].lock);
+ raw_spin_unlock(&desc->lock);
unlock_iosapic_lock:
spin_unlock_irqrestore(&iosapic_lock, flags);
return irq;
@@ -794,7 +787,6 @@ iosapic_unregister_intr (unsigned int gsi)
{
unsigned long flags;
int irq, index;
- struct irq_desc *idesc;
u32 low32;
unsigned long trigger, polarity;
unsigned int dest;
@@ -824,7 +816,6 @@ iosapic_unregister_intr (unsigned int gsi)
if (--rte->refcnt > 0)
goto out;
- idesc = irq_desc + irq;
rte->refcnt = NO_REF_RTE;
/* Mask the interrupt */
@@ -848,7 +839,7 @@ iosapic_unregister_intr (unsigned int gsi)
if (iosapic_intr_info[irq].count == 0) {
#ifdef CONFIG_SMP
/* Clear affinity */
- cpumask_setall(idesc->affinity);
+ cpumask_setall(irq_get_irq_data(irq)->affinity);
#endif
/* Clear the interrupt information */
iosapic_intr_info[irq].dest = 0;
diff --git a/arch/ia64/kernel/irq.c b/arch/ia64/kernel/irq.c
index 94ee9d0..ad69606 100644
--- a/arch/ia64/kernel/irq.c
+++ b/arch/ia64/kernel/irq.c
@@ -53,47 +53,9 @@ atomic_t irq_err_count;
/*
* /proc/interrupts printing:
*/
-
-int show_interrupts(struct seq_file *p, void *v)
+int arch_show_interrupts(struct seq_file *p, int prec)
{
- int i = *(loff_t *) v, j;
- struct irqaction * action;
- unsigned long flags;
-
- if (i == 0) {
- char cpuname[16];
- seq_printf(p, " ");
- for_each_online_cpu(j) {
- snprintf(cpuname, 10, "CPU%d", j);
- seq_printf(p, "%10s ", cpuname);
- }
- seq_putc(p, '\n');
- }
-
- if (i < NR_IRQS) {
- raw_spin_lock_irqsave(&irq_desc[i].lock, flags);
- action = irq_desc[i].action;
- if (!action)
- goto skip;
- seq_printf(p, "%3d: ",i);
-#ifndef CONFIG_SMP
- seq_printf(p, "%10u ", kstat_irqs(i));
-#else
- for_each_online_cpu(j) {
- seq_printf(p, "%10u ", kstat_irqs_cpu(i, j));
- }
-#endif
- seq_printf(p, " %14s", irq_desc[i].chip->name);
- seq_printf(p, " %s", action->name);
-
- for (action=action->next; action; action = action->next)
- seq_printf(p, ", %s", action->name);
-
- seq_putc(p, '\n');
-skip:
- raw_spin_unlock_irqrestore(&irq_desc[i].lock, flags);
- } else if (i == NR_IRQS)
- seq_printf(p, "ERR: %10u\n", atomic_read(&irq_err_count));
+ seq_printf(p, "ERR: %10u\n", atomic_read(&irq_err_count));
return 0;
}
@@ -103,7 +65,7 @@ static char irq_redir [NR_IRQS]; // = { [0 ... NR_IRQS-1] = 1 };
void set_irq_affinity_info (unsigned int irq, int hwid, int redir)
{
if (irq < NR_IRQS) {
- cpumask_copy(irq_desc[irq].affinity,
+ cpumask_copy(irq_get_irq_data(irq)->affinity,
cpumask_of(cpu_logical_id(hwid)));
irq_redir[irq] = (char) (redir & 0xff);
}
@@ -130,13 +92,14 @@ unsigned int vectors_in_migration[NR_IRQS];
*/
static void migrate_irqs(void)
{
- struct irq_desc *desc;
int irq, new_cpu;
for (irq=0; irq < NR_IRQS; irq++) {
- desc = irq_desc + irq;
+ struct irq_desc *desc = irq_to_desc(irq);
+ struct irq_data *data = irq_desc_get_irq_data(desc);
+ struct irq_chip *chip = irq_data_get_irq_chip(data);
- if (desc->status == IRQ_DISABLED)
+ if (irqd_irq_disabled(data))
continue;
/*
@@ -145,10 +108,10 @@ static void migrate_irqs(void)
* tell CPU not to respond to these local intr sources.
* such as ITV,CPEI,MCA etc.
*/
- if (desc->status == IRQ_PER_CPU)
+ if (irqd_is_per_cpu(data))
continue;
- if (cpumask_any_and(irq_desc[irq].affinity, cpu_online_mask)
+ if (cpumask_any_and(data->affinity, cpu_online_mask)
>= nr_cpu_ids) {
/*
* Save it for phase 2 processing
@@ -160,16 +123,16 @@ static void migrate_irqs(void)
/*
* Al three are essential, currently WARN_ON.. maybe panic?
*/
- if (desc->chip && desc->chip->disable &&
- desc->chip->enable && desc->chip->set_affinity) {
- desc->chip->disable(irq);
- desc->chip->set_affinity(irq,
- cpumask_of(new_cpu));
- desc->chip->enable(irq);
+ if (chip && chip->irq_disable &&
+ chip->irq_enable && chip->irq_set_affinity) {
+ chip->irq_disable(data);
+ chip->irq_set_affinity(data,
+ cpumask_of(new_cpu), false);
+ chip->irq_enable(data);
} else {
- WARN_ON((!(desc->chip) || !(desc->chip->disable) ||
- !(desc->chip->enable) ||
- !(desc->chip->set_affinity)));
+ WARN_ON((!chip || !chip->irq_disable ||
+ !chip->irq_enable ||
+ !chip->irq_set_affinity));
}
}
}
diff --git a/arch/ia64/kernel/irq_ia64.c b/arch/ia64/kernel/irq_ia64.c
index 38c07b8..5b70474 100644
--- a/arch/ia64/kernel/irq_ia64.c
+++ b/arch/ia64/kernel/irq_ia64.c
@@ -343,7 +343,7 @@ static irqreturn_t smp_irq_move_cleanup_interrupt(int irq, void *dev_id)
if (irq < 0)
continue;
- desc = irq_desc + irq;
+ desc = irq_to_desc(irq);
cfg = irq_cfg + irq;
raw_spin_lock(&desc->lock);
if (!cfg->move_cleanup_count)
@@ -626,17 +626,15 @@ static struct irqaction tlb_irqaction = {
void
ia64_native_register_percpu_irq (ia64_vector vec, struct irqaction *action)
{
- struct irq_desc *desc;
unsigned int irq;
irq = vec;
BUG_ON(bind_irq_vector(irq, vec, CPU_MASK_ALL));
- desc = irq_desc + irq;
- desc->status |= IRQ_PER_CPU;
- set_irq_chip(irq, &irq_type_ia64_lsapic);
+ irq_set_status_flags(irq, IRQ_PER_CPU);
+ irq_set_chip(irq, &irq_type_ia64_lsapic);
if (action)
setup_irq(irq, action);
- set_irq_handler(irq, handle_percpu_irq);
+ irq_set_handler(irq, handle_percpu_irq);
}
void __init
diff --git a/arch/ia64/kernel/irq_lsapic.c b/arch/ia64/kernel/irq_lsapic.c
index fc1549d..1b3a776 100644
--- a/arch/ia64/kernel/irq_lsapic.c
+++ b/arch/ia64/kernel/irq_lsapic.c
@@ -15,31 +15,30 @@
#include <linux/irq.h>
static unsigned int
-lsapic_noop_startup (unsigned int irq)
+lsapic_noop_startup (struct irq_data *data)
{
return 0;
}
static void
-lsapic_noop (unsigned int irq)
+lsapic_noop (struct irq_data *data)
{
/* nothing to do... */
}
-static int lsapic_retrigger(unsigned int irq)
+static int lsapic_retrigger(struct irq_data *data)
{
- ia64_resend_irq(irq);
+ ia64_resend_irq(data->irq);
return 1;
}
struct irq_chip irq_type_ia64_lsapic = {
- .name = "LSAPIC",
- .startup = lsapic_noop_startup,
- .shutdown = lsapic_noop,
- .enable = lsapic_noop,
- .disable = lsapic_noop,
- .ack = lsapic_noop,
- .end = lsapic_noop,
- .retrigger = lsapic_retrigger,
+ .name = "LSAPIC",
+ .irq_startup = lsapic_noop_startup,
+ .irq_shutdown = lsapic_noop,
+ .irq_enable = lsapic_noop,
+ .irq_disable = lsapic_noop,
+ .irq_ack = lsapic_noop,
+ .irq_retrigger = lsapic_retrigger,
};
diff --git a/arch/ia64/kernel/mca.c b/arch/ia64/kernel/mca.c
index 80d50b8..84fb405 100644
--- a/arch/ia64/kernel/mca.c
+++ b/arch/ia64/kernel/mca.c
@@ -2125,7 +2125,6 @@ ia64_mca_late_init(void)
cpe_poll_timer.function = ia64_mca_cpe_poll;
{
- struct irq_desc *desc;
unsigned int irq;
if (cpe_vector >= 0) {
@@ -2133,8 +2132,7 @@ ia64_mca_late_init(void)
irq = local_vector_to_irq(cpe_vector);
if (irq > 0) {
cpe_poll_enabled = 0;
- desc = irq_desc + irq;
- desc->status |= IRQ_PER_CPU;
+ irq_set_status_flags(irq, IRQ_PER_CPU);
setup_irq(irq, &mca_cpe_irqaction);
ia64_cpe_irq = irq;
ia64_mca_register_cpev(cpe_vector);
diff --git a/arch/ia64/kernel/msi_ia64.c b/arch/ia64/kernel/msi_ia64.c
index 00b19a4..009df54 100644
--- a/arch/ia64/kernel/msi_ia64.c
+++ b/arch/ia64/kernel/msi_ia64.c
@@ -12,12 +12,13 @@
static struct irq_chip ia64_msi_chip;
#ifdef CONFIG_SMP
-static int ia64_set_msi_irq_affinity(unsigned int irq,
- const cpumask_t *cpu_mask)
+static int ia64_set_msi_irq_affinity(struct irq_data *idata,
+ const cpumask_t *cpu_mask, bool force)
{
struct msi_msg msg;
u32 addr, data;
int cpu = first_cpu(*cpu_mask);
+ unsigned int irq = idata->irq;
if (!cpu_online(cpu))
return -1;
@@ -38,7 +39,7 @@ static int ia64_set_msi_irq_affinity(unsigned int irq,
msg.data = data;
write_msi_msg(irq, &msg);
- cpumask_copy(irq_desc[irq].affinity, cpumask_of(cpu));
+ cpumask_copy(idata->affinity, cpumask_of(cpu));
return 0;
}
@@ -55,7 +56,7 @@ int ia64_setup_msi_irq(struct pci_dev *pdev, struct msi_desc *desc)
if (irq < 0)
return irq;
- set_irq_msi(irq, desc);
+ irq_set_msi_desc(irq, desc);
cpus_and(mask, irq_to_domain(irq), cpu_online_map);
dest_phys_id = cpu_physical_id(first_cpu(mask));
vector = irq_to_vector(irq);
@@ -74,7 +75,7 @@ int ia64_setup_msi_irq(struct pci_dev *pdev, struct msi_desc *desc)
MSI_DATA_VECTOR(vector);
write_msi_msg(irq, &msg);
- set_irq_chip_and_handler(irq, &ia64_msi_chip, handle_edge_irq);
+ irq_set_chip_and_handler(irq, &ia64_msi_chip, handle_edge_irq);
return 0;
}
@@ -84,16 +85,16 @@ void ia64_teardown_msi_irq(unsigned int irq)
destroy_irq(irq);
}
-static void ia64_ack_msi_irq(unsigned int irq)
+static void ia64_ack_msi_irq(struct irq_data *data)
{
- irq_complete_move(irq);
- move_native_irq(irq);
+ irq_complete_move(data->irq);
+ irq_move_irq(data);
ia64_eoi();
}
-static int ia64_msi_retrigger_irq(unsigned int irq)
+static int ia64_msi_retrigger_irq(struct irq_data *data)
{
- unsigned int vector = irq_to_vector(irq);
+ unsigned int vector = irq_to_vector(data->irq);
ia64_resend_irq(vector);
return 1;
@@ -103,14 +104,14 @@ static int ia64_msi_retrigger_irq(unsigned int irq)
* Generic ops used on most IA64 platforms.
*/
static struct irq_chip ia64_msi_chip = {
- .name = "PCI-MSI",
- .irq_mask = mask_msi_irq,
- .irq_unmask = unmask_msi_irq,
- .ack = ia64_ack_msi_irq,
+ .name = "PCI-MSI",
+ .irq_mask = mask_msi_irq,
+ .irq_unmask = unmask_msi_irq,
+ .irq_ack = ia64_ack_msi_irq,
#ifdef CONFIG_SMP
- .set_affinity = ia64_set_msi_irq_affinity,
+ .irq_set_affinity = ia64_set_msi_irq_affinity,
#endif
- .retrigger = ia64_msi_retrigger_irq,
+ .irq_retrigger = ia64_msi_retrigger_irq,
};
@@ -132,8 +133,10 @@ void arch_teardown_msi_irq(unsigned int irq)
#ifdef CONFIG_DMAR
#ifdef CONFIG_SMP
-static int dmar_msi_set_affinity(unsigned int irq, const struct cpumask *mask)
+static int dmar_msi_set_affinity(struct irq_data *data,
+ const struct cpumask *mask, bool force)
{
+ unsigned int irq = data->irq;
struct irq_cfg *cfg = irq_cfg + irq;
struct msi_msg msg;
int cpu = cpumask_first(mask);
@@ -152,7 +155,7 @@ static int dmar_msi_set_affinity(unsigned int irq, const struct cpumask *mask)
msg.address_lo |= MSI_ADDR_DEST_ID_CPU(cpu_physical_id(cpu));
dmar_msi_write(irq, &msg);
- cpumask_copy(irq_desc[irq].affinity, mask);
+ cpumask_copy(data->affinity, mask);
return 0;
}
@@ -162,11 +165,11 @@ static struct irq_chip dmar_msi_type = {
.name = "DMAR_MSI",
.irq_unmask = dmar_msi_unmask,
.irq_mask = dmar_msi_mask,
- .ack = ia64_ack_msi_irq,
+ .irq_ack = ia64_ack_msi_irq,
#ifdef CONFIG_SMP
- .set_affinity = dmar_msi_set_affinity,
+ .irq_set_affinity = dmar_msi_set_affinity,
#endif
- .retrigger = ia64_msi_retrigger_irq,
+ .irq_retrigger = ia64_msi_retrigger_irq,
};
static int
@@ -203,8 +206,8 @@ int arch_setup_dmar_msi(unsigned int irq)
if (ret < 0)
return ret;
dmar_msi_write(irq, &msg);
- set_irq_chip_and_handler_name(irq, &dmar_msi_type, handle_edge_irq,
- "edge");
+ irq_set_chip_and_handler_name(irq, &dmar_msi_type, handle_edge_irq,
+ "edge");
return 0;
}
#endif /* CONFIG_DMAR */
diff --git a/arch/ia64/kernel/smpboot.c b/arch/ia64/kernel/smpboot.c
index d003b50..44f11ee 100644
--- a/arch/ia64/kernel/smpboot.c
+++ b/arch/ia64/kernel/smpboot.c
@@ -677,7 +677,7 @@ extern void fixup_irqs(void);
int migrate_platform_irqs(unsigned int cpu)
{
int new_cpei_cpu;
- struct irq_desc *desc = NULL;
+ struct irq_data *data = NULL;
const struct cpumask *mask;
int retval = 0;
@@ -693,20 +693,20 @@ int migrate_platform_irqs(unsigned int cpu)
new_cpei_cpu = any_online_cpu(cpu_online_map);
mask = cpumask_of(new_cpei_cpu);
set_cpei_target_cpu(new_cpei_cpu);
- desc = irq_desc + ia64_cpe_irq;
+ data = irq_get_irq_data(ia64_cpe_irq);
/*
* Switch for now, immediately, we need to do fake intr
* as other interrupts, but need to study CPEI behaviour with
* polling before making changes.
*/
- if (desc) {
- desc->chip->disable(ia64_cpe_irq);
- desc->chip->set_affinity(ia64_cpe_irq, mask);
- desc->chip->enable(ia64_cpe_irq);
+ if (data && data->chip) {
+ data->chip->irq_disable(data);
+ data->chip->irq_set_affinity(data, mask, false);
+ data->chip->irq_enable(data);
printk ("Re-targetting CPEI to cpu %d\n", new_cpei_cpu);
}
}
- if (!desc) {
+ if (!data) {
printk ("Unable to retarget CPEI, offline cpu [%d] failed\n", cpu);
retval = -EBUSY;
}
diff --git a/arch/ia64/sn/kernel/irq.c b/arch/ia64/sn/kernel/irq.c
index 13c15d9..7f399f9 100644
--- a/arch/ia64/sn/kernel/irq.c
+++ b/arch/ia64/sn/kernel/irq.c
@@ -23,11 +23,9 @@
#include <asm/sn/sn_sal.h>
#include <asm/sn/sn_feature_sets.h>
-static void force_interrupt(int irq);
static void register_intr_pda(struct sn_irq_info *sn_irq_info);
static void unregister_intr_pda(struct sn_irq_info *sn_irq_info);
-int sn_force_interrupt_flag = 1;
extern int sn_ioif_inited;
struct list_head **sn_irq_lh;
static DEFINE_SPINLOCK(sn_irq_info_lock); /* non-IRQ lock */
@@ -78,62 +76,40 @@ u64 sn_intr_redirect(nasid_t local_nasid, int local_widget,
return ret_stuff.status;
}
-static unsigned int sn_startup_irq(unsigned int irq)
+static unsigned int sn_startup_irq(struct irq_data *data)
{
return 0;
}
-static void sn_shutdown_irq(unsigned int irq)
+static void sn_shutdown_irq(struct irq_data *data)
{
}
extern void ia64_mca_register_cpev(int);
-static void sn_disable_irq(unsigned int irq)
+static void sn_disable_irq(struct irq_data *data)
{
- if (irq == local_vector_to_irq(IA64_CPE_VECTOR))
+ if (data->irq == local_vector_to_irq(IA64_CPE_VECTOR))
ia64_mca_register_cpev(0);
}
-static void sn_enable_irq(unsigned int irq)
+static void sn_enable_irq(struct irq_data *data)
{
- if (irq == local_vector_to_irq(IA64_CPE_VECTOR))
- ia64_mca_register_cpev(irq);
+ if (data->irq == local_vector_to_irq(IA64_CPE_VECTOR))
+ ia64_mca_register_cpev(data->irq);
}
-static void sn_ack_irq(unsigned int irq)
+static void sn_ack_irq(struct irq_data *data)
{
u64 event_occurred, mask;
+ unsigned int irq = data->irq & 0xff;
- irq = irq & 0xff;
event_occurred = HUB_L((u64*)LOCAL_MMR_ADDR(SH_EVENT_OCCURRED));
mask = event_occurred & SH_ALL_INT_MASK;
HUB_S((u64*)LOCAL_MMR_ADDR(SH_EVENT_OCCURRED_ALIAS), mask);
__set_bit(irq, (volatile void *)pda->sn_in_service_ivecs);
- move_native_irq(irq);
-}
-
-static void sn_end_irq(unsigned int irq)
-{
- int ivec;
- u64 event_occurred;
-
- ivec = irq & 0xff;
- if (ivec == SGI_UART_VECTOR) {
- event_occurred = HUB_L((u64*)LOCAL_MMR_ADDR (SH_EVENT_OCCURRED));
- /* If the UART bit is set here, we may have received an
- * interrupt from the UART that the driver missed. To
- * make sure, we IPI ourselves to force us to look again.
- */
- if (event_occurred & SH_EVENT_OCCURRED_UART_INT_MASK) {
- platform_send_ipi(smp_processor_id(), SGI_UART_VECTOR,
- IA64_IPI_DM_INT, 0);
- }
- }
- __clear_bit(ivec, (volatile void *)pda->sn_in_service_ivecs);
- if (sn_force_interrupt_flag)
- force_interrupt(irq);
+ irq_move_irq(data);
}
static void sn_irq_info_free(struct rcu_head *head);
@@ -228,9 +204,11 @@ finish_up:
return new_irq_info;
}
-static int sn_set_affinity_irq(unsigned int irq, const struct cpumask *mask)
+static int sn_set_affinity_irq(struct irq_data *data,
+ const struct cpumask *mask, bool force)
{
struct sn_irq_info *sn_irq_info, *sn_irq_info_safe;
+ unsigned int irq = data->irq;
nasid_t nasid;
int slice;
@@ -259,26 +237,25 @@ void sn_set_err_irq_affinity(unsigned int irq) { }
#endif
static void
-sn_mask_irq(unsigned int irq)
+sn_mask_irq(struct irq_data *data)
{
}
static void
-sn_unmask_irq(unsigned int irq)
+sn_unmask_irq(struct irq_data *data)
{
}
struct irq_chip irq_type_sn = {
- .name = "SN hub",
- .startup = sn_startup_irq,
- .shutdown = sn_shutdown_irq,
- .enable = sn_enable_irq,
- .disable = sn_disable_irq,
- .ack = sn_ack_irq,
- .end = sn_end_irq,
- .mask = sn_mask_irq,
- .unmask = sn_unmask_irq,
- .set_affinity = sn_set_affinity_irq
+ .name = "SN hub",
+ .irq_startup = sn_startup_irq,
+ .irq_shutdown = sn_shutdown_irq,
+ .irq_enable = sn_enable_irq,
+ .irq_disable = sn_disable_irq,
+ .irq_ack = sn_ack_irq,
+ .irq_mask = sn_mask_irq,
+ .irq_unmask = sn_unmask_irq,
+ .irq_set_affinity = sn_set_affinity_irq
};
ia64_vector sn_irq_to_vector(int irq)
@@ -296,15 +273,13 @@ unsigned int sn_local_vector_to_irq(u8 vector)
void sn_irq_init(void)
{
int i;
- struct irq_desc *base_desc = irq_desc;
ia64_first_device_vector = IA64_SN2_FIRST_DEVICE_VECTOR;
ia64_last_device_vector = IA64_SN2_LAST_DEVICE_VECTOR;
for (i = 0; i < NR_IRQS; i++) {
- if (base_desc[i].chip == &no_irq_chip) {
- base_desc[i].chip = &irq_type_sn;
- }
+ if (irq_get_chip(i) == &no_irq_chip)
+ irq_set_chip(i, &irq_type_sn);
}
}
@@ -378,7 +353,6 @@ void sn_irq_fixup(struct pci_dev *pci_dev, struct sn_irq_info *sn_irq_info)
int cpu = nasid_slice_to_cpuid(nasid, slice);
#ifdef CONFIG_SMP
int cpuphys;
- struct irq_desc *desc;
#endif
pci_dev_get(pci_dev);
@@ -395,12 +369,11 @@ void sn_irq_fixup(struct pci_dev *pci_dev, struct sn_irq_info *sn_irq_info)
#ifdef CONFIG_SMP
cpuphys = cpu_physical_id(cpu);
set_irq_affinity_info(sn_irq_info->irq_irq, cpuphys, 0);
- desc = irq_to_desc(sn_irq_info->irq_irq);
/*
* Affinity was set by the PROM, prevent it from
* being reset by the request_irq() path.
*/
- desc->status |= IRQ_AFFINITY_SET;
+ irqd_mark_affinity_was_set(irq_get_irq_data(sn_irq_info->irq_irq));
#endif
}
@@ -439,25 +412,11 @@ sn_call_force_intr_provider(struct sn_irq_info *sn_irq_info)
pci_provider = sn_pci_provider[sn_irq_info->irq_bridge_type];
/* Don't force an interrupt if the irq has been disabled */
- if (!(irq_desc[sn_irq_info->irq_irq].status & IRQ_DISABLED) &&
+ if (!irqd_irq_disabled(sn_irq_info->irq_irq) &&
pci_provider && pci_provider->force_interrupt)
(*pci_provider->force_interrupt)(sn_irq_info);
}
-static void force_interrupt(int irq)
-{
- struct sn_irq_info *sn_irq_info;
-
- if (!sn_ioif_inited)
- return;
-
- rcu_read_lock();
- list_for_each_entry_rcu(sn_irq_info, sn_irq_lh[irq], list)
- sn_call_force_intr_provider(sn_irq_info);
-
- rcu_read_unlock();
-}
-
/*
* Check for lost interrupts. If the PIC int_status reg. says that
* an interrupt has been sent, but not handled, and the interrupt
diff --git a/arch/ia64/sn/kernel/msi_sn.c b/arch/ia64/sn/kernel/msi_sn.c
index a5e500f..2b98b9e 100644
--- a/arch/ia64/sn/kernel/msi_sn.c
+++ b/arch/ia64/sn/kernel/msi_sn.c
@@ -144,16 +144,16 @@ int sn_setup_msi_irq(struct pci_dev *pdev, struct msi_desc *entry)
*/
msg.data = 0x100 + irq;
- set_irq_msi(irq, entry);
+ irq_set_msi_desc(irq, entry);
write_msi_msg(irq, &msg);
- set_irq_chip_and_handler(irq, &sn_msi_chip, handle_edge_irq);
+ irq_set_chip_and_handler(irq, &sn_msi_chip, handle_edge_irq);
return 0;
}
#ifdef CONFIG_SMP
-static int sn_set_msi_irq_affinity(unsigned int irq,
- const struct cpumask *cpu_mask)
+static int sn_set_msi_irq_affinity(struct irq_data *data,
+ const struct cpumask *cpu_mask, bool force)
{
struct msi_msg msg;
int slice;
@@ -164,7 +164,7 @@ static int sn_set_msi_irq_affinity(unsigned int irq,
struct sn_irq_info *sn_irq_info;
struct sn_irq_info *new_irq_info;
struct sn_pcibus_provider *provider;
- unsigned int cpu;
+ unsigned int cpu, irq = data->irq;
cpu = cpumask_first(cpu_mask);
sn_irq_info = sn_msi_info[irq].sn_irq_info;
@@ -206,33 +206,33 @@ static int sn_set_msi_irq_affinity(unsigned int irq,
msg.address_lo = (u32)(bus_addr & 0x00000000ffffffff);
write_msi_msg(irq, &msg);
- cpumask_copy(irq_desc[irq].affinity, cpu_mask);
+ cpumask_copy(data->affinity, cpu_mask);
return 0;
}
#endif /* CONFIG_SMP */
-static void sn_ack_msi_irq(unsigned int irq)
+static void sn_ack_msi_irq(struct irq_data *data)
{
- move_native_irq(irq);
+ irq_move_irq(data);
ia64_eoi();
}
-static int sn_msi_retrigger_irq(unsigned int irq)
+static int sn_msi_retrigger_irq(struct irq_data *data)
{
- unsigned int vector = irq;
+ unsigned int vector = data->irq;
ia64_resend_irq(vector);
return 1;
}
static struct irq_chip sn_msi_chip = {
- .name = "PCI-MSI",
- .irq_mask = mask_msi_irq,
- .irq_unmask = unmask_msi_irq,
- .ack = sn_ack_msi_irq,
+ .name = "PCI-MSI",
+ .irq_mask = mask_msi_irq,
+ .irq_unmask = unmask_msi_irq,
+ .irq_ack = sn_ack_msi_irq,
#ifdef CONFIG_SMP
- .set_affinity = sn_set_msi_irq_affinity,
+ .irq_set_affinity = sn_set_msi_irq_affinity,
#endif
- .retrigger = sn_msi_retrigger_irq,
+ .irq_retrigger = sn_msi_retrigger_irq,
};
diff --git a/arch/ia64/xen/irq_xen.c b/arch/ia64/xen/irq_xen.c
index a3fb7cf..108bb85 100644
--- a/arch/ia64/xen/irq_xen.c
+++ b/arch/ia64/xen/irq_xen.c
@@ -138,7 +138,6 @@ static void
__xen_register_percpu_irq(unsigned int cpu, unsigned int vec,
struct irqaction *action, int save)
{
- struct irq_desc *desc;
int irq = 0;
if (xen_slab_ready) {
@@ -223,8 +222,7 @@ __xen_register_percpu_irq(unsigned int cpu, unsigned int vec,
* mark the interrupt for migrations and trigger it
* on cpu hotplug.
*/
- desc = irq_desc + irq;
- desc->status |= IRQ_PER_CPU;
+ irq_set_status_flags(irq, IRQ_PER_CPU);
}
}
generated by cgit v1.1 at 2024-09-10 11:19:36 +0000