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VFS mountpoint backing device system
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This commit is contained in:
Kamil Kowalczyk
2026-02-16 23:48:45 +01:00
parent 7726fd2f00
commit 9aea870159
22 changed files with 528 additions and 241 deletions
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22
kernel/device/device.h
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@@ -7,20 +7,32 @@
#include <sync/spin_lock.h>
#include <sys/smp.h>
typedef bool (*device_op_func_t) (struct proc* proc, struct cpu** reschedule_cpu, int* ret,
void* a1, void* a2, void* a3, void* a4);
struct device;
struct device_op_ctx {
struct proc* proc;
struct cpu** reschedule_cpu;
bool* reschedule;
};
typedef int (*device_op_func_t) (struct device* device, struct device_op_ctx* op_ctx, void* a1,
void* a2, void* a3, void* a4);
typedef bool (*device_init_func_t) (struct device* device, void* arg);
typedef void (*device_fini_func_t) (struct device* device);
struct device {
int id;
device_op_func_t ops[32];
spin_lock_t lock;
struct rb_node_link device_tree_link;
bool (*init) (void* arg);
void (*fini) (void);
device_init_func_t init;
device_fini_func_t fini;
void* udata;
};
struct device* device_create (int id, device_op_func_t* ops, size_t ops_len,
bool (*init) (void* arg), void (*fini) (void), void* arg);
device_init_func_t init, device_fini_func_t fini, void* arg);
struct device* device_find (int id);
void device_delete (struct device* device);
void devices_init (void);