| 35,11 → 35,40 |
|---|
| #ifndef KERN_IRQ_H_ |
| #define KERN_IRQ_H_ |
| |
| typedef enum { |
| CMD_MEM_READ_1 = 0, |
| CMD_MEM_READ_2, |
| CMD_MEM_READ_4, |
| CMD_MEM_READ_8, |
| CMD_MEM_WRITE_1, |
| CMD_MEM_WRITE_2, |
| CMD_MEM_WRITE_4, |
| CMD_MEM_WRITE_8, |
| CMD_PORT_READ_1, |
| CMD_PORT_WRITE_1, |
| CMD_IA64_GETCHAR, |
| CMD_PPC32_GETCHAR, |
| CMD_LAST |
| } irq_cmd_type; |
| |
| typedef struct { |
| irq_cmd_type cmd; |
| void *addr; |
| unsigned long long value; |
| int dstarg; |
| } irq_cmd_t; |
| |
| typedef struct { |
| unsigned int cmdcount; |
| irq_cmd_t *cmds; |
| } irq_code_t; |
| |
| #ifdef KERNEL |
| |
| #include <arch/types.h> |
| #include <typedefs.h> |
| #include <adt/list.h> |
| #include <ipc/irq.h> |
| #include <synch/spinlock.h> |
| #include <proc/task.h> |
| |
| typedef enum { |
| IRQ_DECLINE, /**< Decline to service. */ |
| 51,8 → 80,27 |
|---|
| IRQ_TRIGGER_EDGE |
| } irq_trigger_t; |
| |
| typedef void (* irq_handler_t)(irq_t *irq, void *arg, ...); |
| struct irq; |
| typedef void (* irq_handler_t)(struct irq *irq, void *arg, ...); |
| |
| |
| |
| /** IPC notification config structure. |
| * |
| * Primarily, this structure is encapsulated in the irq_t structure. |
| * It is protected by irq_t::lock. |
| */ |
| typedef struct { |
| bool notify; /**< When false, notifications are not sent. */ |
| answerbox_t *answerbox; /**< Answerbox for notifications. */ |
| unative_t method; /**< Method to be used for the notification. */ |
| irq_code_t *code; /**< Top-half pseudocode. */ |
| count_t counter; /**< Counter. */ |
| link_t link; /**< Link between IRQs that are notifying the |
| same answerbox. The list is protected by |
| the answerbox irq_lock. */ |
| } ipc_notif_cfg_t; |
| |
| /** Structure representing one device IRQ. |
| * |
| * If one device has multiple interrupts, there will |
| 59,7 → 107,7 |
|---|
| * be multiple irq_t instantions with the same |
| * devno. |
| */ |
| struct irq { |
| typedef struct irq { |
| /** Hash table link. */ |
| link_t link; |
| |
| 86,7 → 134,7 |
|---|
| |
| /** Notification configuration structure. */ |
| ipc_notif_cfg_t notif_cfg; |
| }; |
| } irq_t; |
| |
| extern void irq_init(count_t inrs, count_t chains); |
| extern void irq_initialize(irq_t *irq); |
| 96,5 → 144,7 |
|---|
| |
| #endif |
| |
| #endif |
| |
| /** @} |
| */ |