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43 lines
1.4 KiB
C
43 lines
1.4 KiB
C
#ifndef _KERNEL_DEVICE_DEVICE_H
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#define _KERNEL_DEVICE_DEVICE_H
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#include <libk/list.h>
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#include <libk/rbtree.h>
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#include <libk/std.h>
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#include <proc/proc.h>
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#include <proc/reschedule.h>
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#include <sync/spin_lock.h>
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#include <sys/smp.h>
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#define device_op1(d, op, proc, rctx, a1, a2, a3, a4, ...) \
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(d)->ops[(op)]((d), (proc), (rctx), (void*)(a1), (void*)(a2), (void*)(a3), (void*)(a4))
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#define device_op(d, op, proc, rctx, ...) \
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device_op1 (d, op, proc, rctx, __VA_ARGS__, NULL, NULL, NULL, NULL)
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struct device;
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typedef int (*device_op_func_t) (struct device* device, struct proc*, struct reschedule_ctx* rctx,
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void* a1, void* a2, void* a3, void* a4);
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typedef bool (*device_init_func_t) (struct device* device, void* arg);
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typedef void (*device_fini_func_t) (struct device* device);
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struct device {
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int id;
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device_op_func_t ops[32];
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spin_lock_t lock;
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struct rb_node_link device_tree_link;
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device_init_func_t init;
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device_fini_func_t fini;
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void* udata;
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};
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struct device* device_create (int id, device_op_func_t* ops, size_t ops_len,
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device_init_func_t init, device_fini_func_t fini, void* arg);
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struct device* device_find (int id);
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void device_delete (struct device* device);
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void devices_init (void);
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#endif // _KERNEL_DEVICE_DEVICE_H
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