diff options
Diffstat (limited to 'include/asm-sparc64/irq.h')
-rw-r--r-- | include/asm-sparc64/irq.h | 96 |
1 files changed, 12 insertions, 84 deletions
diff --git a/include/asm-sparc64/irq.h b/include/asm-sparc64/irq.h index fa164d37ee3f..905e59b4a737 100644 --- a/include/asm-sparc64/irq.h +++ b/include/asm-sparc64/irq.h | |||
@@ -15,58 +15,6 @@ | |||
15 | #include <asm/pil.h> | 15 | #include <asm/pil.h> |
16 | #include <asm/ptrace.h> | 16 | #include <asm/ptrace.h> |
17 | 17 | ||
18 | struct ino_bucket; | ||
19 | |||
20 | #define MAX_IRQ_DESC_ACTION 4 | ||
21 | |||
22 | struct irq_desc { | ||
23 | void (*pre_handler)(struct ino_bucket *, void *, void *); | ||
24 | void *pre_handler_arg1; | ||
25 | void *pre_handler_arg2; | ||
26 | u32 action_active_mask; | ||
27 | struct irqaction action[MAX_IRQ_DESC_ACTION]; | ||
28 | }; | ||
29 | |||
30 | /* You should not mess with this directly. That's the job of irq.c. | ||
31 | * | ||
32 | * If you make changes here, please update hand coded assembler of | ||
33 | * the vectored interrupt trap handler in entry.S -DaveM | ||
34 | * | ||
35 | * This is currently one DCACHE line, two buckets per L2 cache | ||
36 | * line. Keep this in mind please. | ||
37 | */ | ||
38 | struct ino_bucket { | ||
39 | /* Next handler in per-CPU PIL worklist. We know that | ||
40 | * bucket pointers have the high 32-bits clear, so to | ||
41 | * save space we only store the bits we need. | ||
42 | */ | ||
43 | /*0x00*/unsigned int irq_chain; | ||
44 | |||
45 | /* PIL to schedule this IVEC at. */ | ||
46 | /*0x04*/unsigned char pil; | ||
47 | |||
48 | /* If an IVEC arrives while irq_info is NULL, we | ||
49 | * set this to notify request_irq() about the event. | ||
50 | */ | ||
51 | /*0x05*/unsigned char pending; | ||
52 | |||
53 | /* Miscellaneous flags. */ | ||
54 | /*0x06*/unsigned char flags; | ||
55 | |||
56 | /* Currently unused. */ | ||
57 | /*0x07*/unsigned char __pad; | ||
58 | |||
59 | /* Reference to IRQ descriptor for this bucket. */ | ||
60 | /*0x08*/struct irq_desc *irq_info; | ||
61 | |||
62 | /* Sun5 Interrupt Clear Register. */ | ||
63 | /*0x10*/unsigned long iclr; | ||
64 | |||
65 | /* Sun5 Interrupt Mapping Register. */ | ||
66 | /*0x18*/unsigned long imap; | ||
67 | |||
68 | }; | ||
69 | |||
70 | /* IMAP/ICLR register defines */ | 18 | /* IMAP/ICLR register defines */ |
71 | #define IMAP_VALID 0x80000000 /* IRQ Enabled */ | 19 | #define IMAP_VALID 0x80000000 /* IRQ Enabled */ |
72 | #define IMAP_TID_UPA 0x7c000000 /* UPA TargetID */ | 20 | #define IMAP_TID_UPA 0x7c000000 /* UPA TargetID */ |
@@ -84,36 +32,20 @@ struct ino_bucket { | |||
84 | #define ICLR_TRANSMIT 0x00000001 /* Transmit state */ | 32 | #define ICLR_TRANSMIT 0x00000001 /* Transmit state */ |
85 | #define ICLR_PENDING 0x00000003 /* Pending state */ | 33 | #define ICLR_PENDING 0x00000003 /* Pending state */ |
86 | 34 | ||
87 | /* Only 8-bits are available, be careful. -DaveM */ | 35 | /* The largest number of unique interrupt sources we support. |
88 | #define IBF_PCI 0x02 /* PSYCHO/SABRE/SCHIZO PCI interrupt. */ | 36 | * If this needs to ever be larger than 255, you need to change |
89 | #define IBF_ACTIVE 0x04 /* Interrupt is active and has a handler.*/ | 37 | * the type of ino_bucket->virt_irq as appropriate. |
90 | #define IBF_INPROGRESS 0x10 /* IRQ is being serviced. */ | 38 | * |
91 | 39 | * ino_bucket->virt_irq allocation is made during {sun4v_,}build_irq(). | |
92 | #define NUM_IVECS (IMAP_INR + 1) | 40 | */ |
93 | extern struct ino_bucket ivector_table[NUM_IVECS]; | 41 | #define NR_IRQS 255 |
94 | |||
95 | #define __irq_ino(irq) \ | ||
96 | (((struct ino_bucket *)(unsigned long)(irq)) - &ivector_table[0]) | ||
97 | #define __irq_pil(irq) ((struct ino_bucket *)(unsigned long)(irq))->pil | ||
98 | #define __bucket(irq) ((struct ino_bucket *)(unsigned long)(irq)) | ||
99 | #define __irq(bucket) ((unsigned int)(unsigned long)(bucket)) | ||
100 | |||
101 | static __inline__ char *__irq_itoa(unsigned int irq) | ||
102 | { | ||
103 | static char buff[16]; | ||
104 | |||
105 | sprintf(buff, "%d,%x", __irq_pil(irq), (unsigned int)__irq_ino(irq)); | ||
106 | return buff; | ||
107 | } | ||
108 | |||
109 | #define NR_IRQS 16 | ||
110 | 42 | ||
43 | extern void irq_install_pre_handler(int virt_irq, | ||
44 | void (*func)(unsigned int, void *, void *), | ||
45 | void *arg1, void *arg2); | ||
111 | #define irq_canonicalize(irq) (irq) | 46 | #define irq_canonicalize(irq) (irq) |
112 | extern void disable_irq(unsigned int); | 47 | extern unsigned int build_irq(int inofixup, unsigned long iclr, unsigned long imap); |
113 | #define disable_irq_nosync disable_irq | 48 | extern unsigned int sun4v_build_irq(u32 devhandle, unsigned int devino); |
114 | extern void enable_irq(unsigned int); | ||
115 | extern unsigned int build_irq(int pil, int inofixup, unsigned long iclr, unsigned long imap); | ||
116 | extern unsigned int sun4v_build_irq(u32 devhandle, unsigned int devino, int pil, unsigned char flags); | ||
117 | extern unsigned int sbus_build_irq(void *sbus, unsigned int ino); | 49 | extern unsigned int sbus_build_irq(void *sbus, unsigned int ino); |
118 | 50 | ||
119 | static __inline__ void set_softint(unsigned long bits) | 51 | static __inline__ void set_softint(unsigned long bits) |
@@ -139,8 +71,4 @@ static __inline__ unsigned long get_softint(void) | |||
139 | return retval; | 71 | return retval; |
140 | } | 72 | } |
141 | 73 | ||
142 | struct irqaction; | ||
143 | struct pt_regs; | ||
144 | int handle_IRQ_event(unsigned int, struct pt_regs *, struct irqaction *); | ||
145 | |||
146 | #endif | 74 | #endif |