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34 | 34 | ||
35 | #ifndef KERN_IRQ_H_ |
35 | #ifndef KERN_IRQ_H_ |
36 | #define KERN_IRQ_H_ |
36 | #define KERN_IRQ_H_ |
37 | 37 | ||
38 | typedef enum { |
38 | typedef enum { |
39 | CMD_MEM_READ_1 = 0, |
39 | CMD_PIO_READ_8 = 1, |
40 | CMD_MEM_READ_2, |
- | |
41 | CMD_MEM_READ_4, |
40 | CMD_PIO_READ_16, |
42 | CMD_MEM_READ_8, |
41 | CMD_PIO_READ_32, |
43 | CMD_MEM_WRITE_1, |
- | |
44 | CMD_MEM_WRITE_2, |
42 | CMD_PIO_WRITE_8, |
45 | CMD_MEM_WRITE_4, |
43 | CMD_PIO_WRITE_16, |
46 | CMD_MEM_WRITE_8, |
44 | CMD_PIO_WRITE_32, |
47 | CMD_PORT_READ_1, |
45 | CMD_BTEST, |
48 | CMD_PORT_WRITE_1, |
46 | CMD_PREDICATE, |
49 | CMD_IA64_GETCHAR, |
47 | CMD_ACCEPT, |
50 | CMD_PPC32_GETCHAR, |
48 | CMD_DECLINE, |
51 | CMD_LAST |
49 | CMD_LAST |
52 | } irq_cmd_type; |
50 | } irq_cmd_type; |
53 | 51 | ||
54 | typedef struct { |
52 | typedef struct { |
55 | irq_cmd_type cmd; |
53 | irq_cmd_type cmd; |
56 | void *addr; |
54 | void *addr; |
57 | unsigned long long value; |
55 | unsigned long long value; |
- | 56 | unsigned int srcarg; |
|
58 | int dstarg; |
57 | unsigned int dstarg; |
59 | } irq_cmd_t; |
58 | } irq_cmd_t; |
60 | 59 | ||
61 | typedef struct { |
60 | typedef struct { |
62 | unsigned int cmdcount; |
61 | unsigned int cmdcount; |
63 | irq_cmd_t *cmds; |
62 | irq_cmd_t *cmds; |
Line 65... | Line 64... | ||
65 | 64 | ||
66 | #ifdef KERNEL |
65 | #ifdef KERNEL |
67 | 66 | ||
68 | #include <arch/types.h> |
67 | #include <arch/types.h> |
69 | #include <adt/list.h> |
68 | #include <adt/list.h> |
- | 69 | #include <adt/hash_table.h> |
|
70 | #include <synch/spinlock.h> |
70 | #include <synch/spinlock.h> |
71 | #include <proc/task.h> |
71 | #include <proc/task.h> |
- | 72 | #include <ipc/ipc.h> |
|
72 | 73 | ||
73 | typedef enum { |
74 | typedef enum { |
74 | IRQ_DECLINE, /**< Decline to service. */ |
75 | IRQ_DECLINE, /**< Decline to service. */ |
75 | IRQ_ACCEPT /**< Accept to service. */ |
76 | IRQ_ACCEPT /**< Accept to service. */ |
76 | } irq_ownership_t; |
77 | } irq_ownership_t; |
Line 79... | Line 80... | ||
79 | IRQ_TRIGGER_LEVEL = 1, |
80 | IRQ_TRIGGER_LEVEL = 1, |
80 | IRQ_TRIGGER_EDGE |
81 | IRQ_TRIGGER_EDGE |
81 | } irq_trigger_t; |
82 | } irq_trigger_t; |
82 | 83 | ||
83 | struct irq; |
84 | struct irq; |
84 | typedef void (* irq_handler_t)(struct irq *irq, void *arg, ...); |
85 | typedef void (* irq_handler_t)(struct irq *); |
- | 86 | ||
- | 87 | /** Type for function used to clear the interrupt. */ |
|
- | 88 | typedef void (* cir_t)(void *, inr_t); |
|
85 | 89 | ||
86 | /** IPC notification config structure. |
90 | /** IPC notification config structure. |
87 | * |
91 | * |
88 | * Primarily, this structure is encapsulated in the irq_t structure. |
92 | * Primarily, this structure is encapsulated in the irq_t structure. |
89 | * It is protected by irq_t::lock. |
93 | * It is protected by irq_t::lock. |
Line 93... | Line 97... | ||
93 | bool notify; |
97 | bool notify; |
94 | /** Answerbox for notifications. */ |
98 | /** Answerbox for notifications. */ |
95 | answerbox_t *answerbox; |
99 | answerbox_t *answerbox; |
96 | /** Method to be used for the notification. */ |
100 | /** Method to be used for the notification. */ |
97 | unative_t method; |
101 | unative_t method; |
- | 102 | /** Arguments that will be sent if the IRQ is claimed. */ |
|
- | 103 | unative_t scratch[IPC_CALL_LEN]; |
|
98 | /** Top-half pseudocode. */ |
104 | /** Top-half pseudocode. */ |
99 | irq_code_t *code; |
105 | irq_code_t *code; |
100 | /** Counter. */ |
106 | /** Counter. */ |
101 | count_t counter; |
107 | count_t counter; |
102 | /** |
108 | /** |
Line 136... | Line 142... | ||
136 | /** Actual IRQ number. -1 if not yet assigned. */ |
142 | /** Actual IRQ number. -1 if not yet assigned. */ |
137 | inr_t inr; |
143 | inr_t inr; |
138 | /** Trigger level of the IRQ. */ |
144 | /** Trigger level of the IRQ. */ |
139 | irq_trigger_t trigger; |
145 | irq_trigger_t trigger; |
140 | /** Claim ownership of the IRQ. */ |
146 | /** Claim ownership of the IRQ. */ |
141 | irq_ownership_t (* claim)(void); |
147 | irq_ownership_t (* claim)(struct irq *); |
142 | /** Handler for this IRQ and device. */ |
148 | /** Handler for this IRQ and device. */ |
143 | irq_handler_t handler; |
149 | irq_handler_t handler; |
- | 150 | /** Instance argument for the handler and the claim function. */ |
|
- | 151 | void *instance; |
|
- | 152 | ||
144 | /** Argument for the handler. */ |
153 | /** Clear interrupt routine. */ |
- | 154 | cir_t cir; |
|
- | 155 | /** First argument to the clear interrupt routine. */ |
|
145 | void *arg; |
156 | void *cir_arg; |
146 | 157 | ||
147 | /** Notification configuration structure. */ |
158 | /** Notification configuration structure. */ |
148 | ipc_notif_cfg_t notif_cfg; |
159 | ipc_notif_cfg_t notif_cfg; |
149 | } irq_t; |
160 | } irq_t; |
150 | 161 | ||
- | 162 | SPINLOCK_EXTERN(irq_uspace_hash_table_lock); |
|
- | 163 | extern hash_table_t irq_uspace_hash_table; |
|
- | 164 | ||
151 | extern void irq_init(count_t inrs, count_t chains); |
165 | extern void irq_init(count_t, count_t); |
152 | extern void irq_initialize(irq_t *irq); |
166 | extern void irq_initialize(irq_t *); |
153 | extern void irq_register(irq_t *irq); |
167 | extern void irq_register(irq_t *); |
154 | extern irq_t *irq_dispatch_and_lock(inr_t inr); |
168 | extern irq_t *irq_dispatch_and_lock(inr_t); |
155 | extern irq_t *irq_find_and_lock(inr_t inr, devno_t devno); |
- | |
156 | 169 | ||
157 | #endif |
170 | #endif |
158 | 171 | ||
159 | #endif |
172 | #endif |
160 | 173 |