diff options
Diffstat (limited to 'include')
-rw-r--r-- | include/linux/interrupt.h | 47 | ||||
-rw-r--r-- | include/linux/irq.h | 55 | ||||
-rw-r--r-- | include/linux/signal.h | 26 |
3 files changed, 74 insertions, 54 deletions
diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h index db2a63a11633..cf682a73a6f9 100644 --- a/include/linux/interrupt.h +++ b/include/linux/interrupt.h | |||
@@ -14,6 +14,53 @@ | |||
14 | #include <asm/ptrace.h> | 14 | #include <asm/ptrace.h> |
15 | #include <asm/system.h> | 15 | #include <asm/system.h> |
16 | 16 | ||
17 | /* | ||
18 | * These correspond to the IORESOURCE_IRQ_* defines in | ||
19 | * linux/ioport.h to select the interrupt line behaviour. When | ||
20 | * requesting an interrupt without specifying a IRQF_TRIGGER, the | ||
21 | * setting should be assumed to be "as already configured", which | ||
22 | * may be as per machine or firmware initialisation. | ||
23 | */ | ||
24 | #define IRQF_TRIGGER_NONE 0x00000000 | ||
25 | #define IRQF_TRIGGER_RISING 0x00000001 | ||
26 | #define IRQF_TRIGGER_FALLING 0x00000002 | ||
27 | #define IRQF_TRIGGER_HIGH 0x00000004 | ||
28 | #define IRQF_TRIGGER_LOW 0x00000008 | ||
29 | #define IRQF_TRIGGER_MASK (IRQF_TRIGGER_HIGH | IRQF_TRIGGER_LOW | \ | ||
30 | IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING) | ||
31 | #define IRQF_TRIGGER_PROBE 0x00000010 | ||
32 | |||
33 | /* | ||
34 | * These flags used only by the kernel as part of the | ||
35 | * irq handling routines. | ||
36 | * | ||
37 | * IRQF_DISABLED - keep irqs disabled when calling the action handler | ||
38 | * IRQF_SAMPLE_RANDOM - irq is used to feed the random generator | ||
39 | * IRQF_SHARED - allow sharing the irq among several devices | ||
40 | * IRQF_PROBE_SHARED - set by callers when they expect sharing mismatches to occur | ||
41 | * IRQF_TIMER - Flag to mark this interrupt as timer interrupt | ||
42 | */ | ||
43 | #define IRQF_DISABLED 0x00000020 | ||
44 | #define IRQF_SAMPLE_RANDOM 0x00000040 | ||
45 | #define IRQF_SHARED 0x00000080 | ||
46 | #define IRQF_PROBE_SHARED 0x00000100 | ||
47 | #define IRQF_TIMER 0x00000200 | ||
48 | |||
49 | /* | ||
50 | * Migration helpers. Scheduled for removal in 1/2007 | ||
51 | * Do not use for new code ! | ||
52 | */ | ||
53 | #define SA_INTERRUPT IRQF_DISABLED | ||
54 | #define SA_SAMPLE_RANDOM IRQF_SAMPLE_RANDOM | ||
55 | #define SA_SHIRQ IRQF_SHARED | ||
56 | #define SA_PROBEIRQ IRQF_PROBE_SHARED | ||
57 | |||
58 | #define SA_TRIGGER_LOW IRQF_TRIGGER_LOW | ||
59 | #define SA_TRIGGER_HIGH IRQF_TRIGGER_HIGH | ||
60 | #define SA_TRIGGER_FALLING IRQF_TRIGGER_FALLING | ||
61 | #define SA_TRIGGER_RISING IRQF_TRIGGER_RISING | ||
62 | #define SA_TRIGGER_MASK IRQF_TRIGGER_MASK | ||
63 | |||
17 | struct irqaction { | 64 | struct irqaction { |
18 | irqreturn_t (*handler)(int, void *, struct pt_regs *); | 65 | irqreturn_t (*handler)(int, void *, struct pt_regs *); |
19 | unsigned long flags; | 66 | unsigned long flags; |
diff --git a/include/linux/irq.h b/include/linux/irq.h index 0832149cdb18..ae1e422f18e3 100644 --- a/include/linux/irq.h +++ b/include/linux/irq.h | |||
@@ -24,41 +24,40 @@ | |||
24 | 24 | ||
25 | /* | 25 | /* |
26 | * IRQ line status. | 26 | * IRQ line status. |
27 | * | ||
28 | * Bits 0-16 are reserved for the IRQF_* bits in linux/interrupt.h | ||
29 | * | ||
30 | * IRQ types | ||
27 | */ | 31 | */ |
28 | #define IRQ_INPROGRESS 1 /* IRQ handler active - do not enter! */ | 32 | #define IRQ_TYPE_NONE 0x00000000 /* Default, unspecified type */ |
29 | #define IRQ_DISABLED 2 /* IRQ disabled - do not enter! */ | 33 | #define IRQ_TYPE_EDGE_RISING 0x00000001 /* Edge rising type */ |
30 | #define IRQ_PENDING 4 /* IRQ pending - replay on enable */ | 34 | #define IRQ_TYPE_EDGE_FALLING 0x00000002 /* Edge falling type */ |
31 | #define IRQ_REPLAY 8 /* IRQ has been replayed but not acked yet */ | 35 | #define IRQ_TYPE_EDGE_BOTH (IRQ_TYPE_EDGE_FALLING | IRQ_TYPE_EDGE_RISING) |
32 | #define IRQ_AUTODETECT 16 /* IRQ is being autodetected */ | 36 | #define IRQ_TYPE_LEVEL_HIGH 0x00000004 /* Level high type */ |
33 | #define IRQ_WAITING 32 /* IRQ not yet seen - for autodetection */ | 37 | #define IRQ_TYPE_LEVEL_LOW 0x00000008 /* Level low type */ |
34 | #define IRQ_LEVEL 64 /* IRQ level triggered */ | 38 | #define IRQ_TYPE_SENSE_MASK 0x0000000f /* Mask of the above */ |
35 | #define IRQ_MASKED 128 /* IRQ masked - shouldn't be seen again */ | 39 | #define IRQ_TYPE_PROBE 0x00000010 /* Probing in progress */ |
40 | |||
41 | /* Internal flags */ | ||
42 | #define IRQ_INPROGRESS 0x00010000 /* IRQ handler active - do not enter! */ | ||
43 | #define IRQ_DISABLED 0x00020000 /* IRQ disabled - do not enter! */ | ||
44 | #define IRQ_PENDING 0x00040000 /* IRQ pending - replay on enable */ | ||
45 | #define IRQ_REPLAY 0x00080000 /* IRQ has been replayed but not acked yet */ | ||
46 | #define IRQ_AUTODETECT 0x00100000 /* IRQ is being autodetected */ | ||
47 | #define IRQ_WAITING 0x00200000 /* IRQ not yet seen - for autodetection */ | ||
48 | #define IRQ_LEVEL 0x00400000 /* IRQ level triggered */ | ||
49 | #define IRQ_MASKED 0x00800000 /* IRQ masked - shouldn't be seen again */ | ||
36 | #ifdef CONFIG_IRQ_PER_CPU | 50 | #ifdef CONFIG_IRQ_PER_CPU |
37 | # define IRQ_PER_CPU 256 /* IRQ is per CPU */ | 51 | # define IRQ_PER_CPU 0x01000000 /* IRQ is per CPU */ |
38 | # define CHECK_IRQ_PER_CPU(var) ((var) & IRQ_PER_CPU) | 52 | # define CHECK_IRQ_PER_CPU(var) ((var) & IRQ_PER_CPU) |
39 | #else | 53 | #else |
40 | # define CHECK_IRQ_PER_CPU(var) 0 | 54 | # define CHECK_IRQ_PER_CPU(var) 0 |
41 | #endif | 55 | #endif |
42 | 56 | ||
43 | #define IRQ_NOPROBE 512 /* IRQ is not valid for probing */ | 57 | #define IRQ_NOPROBE 0x02000000 /* IRQ is not valid for probing */ |
44 | #define IRQ_NOREQUEST 1024 /* IRQ cannot be requested */ | 58 | #define IRQ_NOREQUEST 0x04000000 /* IRQ cannot be requested */ |
45 | #define IRQ_NOAUTOEN 2048 /* IRQ will not be enabled on request irq */ | 59 | #define IRQ_NOAUTOEN 0x08000000 /* IRQ will not be enabled on request irq */ |
46 | #define IRQ_DELAYED_DISABLE \ | 60 | #define IRQ_DELAYED_DISABLE 0x10000000 /* IRQ disable (masking) happens delayed. */ |
47 | 4096 /* IRQ disable (masking) happens delayed. */ | ||
48 | |||
49 | /* | ||
50 | * IRQ types, see also include/linux/interrupt.h | ||
51 | */ | ||
52 | #define IRQ_TYPE_NONE 0x0000 /* Default, unspecified type */ | ||
53 | #define IRQ_TYPE_EDGE_RISING 0x0001 /* Edge rising type */ | ||
54 | #define IRQ_TYPE_EDGE_FALLING 0x0002 /* Edge falling type */ | ||
55 | #define IRQ_TYPE_EDGE_BOTH (IRQ_TYPE_EDGE_FALLING | IRQ_TYPE_EDGE_RISING) | ||
56 | #define IRQ_TYPE_LEVEL_HIGH 0x0004 /* Level high type */ | ||
57 | #define IRQ_TYPE_LEVEL_LOW 0x0008 /* Level low type */ | ||
58 | #define IRQ_TYPE_SENSE_MASK 0x000f /* Mask of the above */ | ||
59 | #define IRQ_TYPE_SIMPLE 0x0010 /* Simple type */ | ||
60 | #define IRQ_TYPE_PERCPU 0x0020 /* Per CPU type */ | ||
61 | #define IRQ_TYPE_PROBE 0x0040 /* Probing in progress */ | ||
62 | 61 | ||
63 | struct proc_dir_entry; | 62 | struct proc_dir_entry; |
64 | 63 | ||
diff --git a/include/linux/signal.h b/include/linux/signal.h index 1e4ce7225eee..117135e33d67 100644 --- a/include/linux/signal.h +++ b/include/linux/signal.h | |||
@@ -9,32 +9,6 @@ | |||
9 | #include <linux/spinlock.h> | 9 | #include <linux/spinlock.h> |
10 | 10 | ||
11 | /* | 11 | /* |
12 | * These values of sa_flags are used only by the kernel as part of the | ||
13 | * irq handling routines. | ||
14 | * | ||
15 | * SA_INTERRUPT is also used by the irq handling routines. | ||
16 | * SA_SHIRQ is for shared interrupt support on PCI and EISA. | ||
17 | * SA_PROBEIRQ is set by callers when they expect sharing mismatches to occur | ||
18 | */ | ||
19 | #define SA_SAMPLE_RANDOM SA_RESTART | ||
20 | #define SA_SHIRQ 0x04000000 | ||
21 | #define SA_PROBEIRQ 0x08000000 | ||
22 | |||
23 | /* | ||
24 | * As above, these correspond to the IORESOURCE_IRQ_* defines in | ||
25 | * linux/ioport.h to select the interrupt line behaviour. When | ||
26 | * requesting an interrupt without specifying a SA_TRIGGER, the | ||
27 | * setting should be assumed to be "as already configured", which | ||
28 | * may be as per machine or firmware initialisation. | ||
29 | */ | ||
30 | #define SA_TRIGGER_LOW 0x00000008 | ||
31 | #define SA_TRIGGER_HIGH 0x00000004 | ||
32 | #define SA_TRIGGER_FALLING 0x00000002 | ||
33 | #define SA_TRIGGER_RISING 0x00000001 | ||
34 | #define SA_TRIGGER_MASK (SA_TRIGGER_HIGH|SA_TRIGGER_LOW|\ | ||
35 | SA_TRIGGER_RISING|SA_TRIGGER_FALLING) | ||
36 | |||
37 | /* | ||
38 | * Real Time signals may be queued. | 12 | * Real Time signals may be queued. |
39 | */ | 13 | */ |
40 | 14 | ||