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67 lines
1.7 KiB
C
67 lines
1.7 KiB
C
#ifndef _KERNEL_PROC_PROC_H
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#define _KERNEL_PROC_PROC_H
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#include <aux/compiler.h>
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#include <aux/elf.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/resource.h>
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#include <proc/suspension_q.h>
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#include <sync/spin_lock.h>
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#include <sys/mm.h>
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#if defined(__x86_64__)
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#include <amd64/gdt.h> /* KSTACK_SIZE */
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#include <amd64/proc.h> /* USTACK_SIZE */
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#endif
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/* Process is ready to run */
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#define PROC_READY 0
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/* Process marked garbage collection */
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#define PROC_DEAD 1
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/* Process is suspended */
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#define PROC_SUSPENDED 2
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#define PROC_RESOURCES_MAX 1024
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struct cpu;
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struct proc_mapping {
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struct list_node_link proc_mappings_link;
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uintptr_t paddr;
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uintptr_t vaddr;
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size_t size;
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};
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struct proc {
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int pid;
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struct rb_node_link proc_tree_link;
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struct rb_node_link cpu_run_q_link;
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struct rb_node_link suspension_link;
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struct list_node_link reap_link;
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struct list_node_link* mappings; /* pd.lock implicitly protects this field */
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struct proc_platformdata pdata;
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struct pd pd;
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spin_lock_t lock;
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struct cpu* cpu;
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atomic_int state;
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struct rb_node_link* resource_tree;
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atomic_int rids;
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struct proc_suspension_q* suspension_q;
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};
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void proc_suspend (struct proc* proc, struct proc_suspension_q* sq);
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void proc_resume (struct proc* proc);
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void proc_sched (void* regs);
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void proc_kill (struct proc* proc, void* regs);
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bool proc_map (struct proc* proc, uintptr_t start_paddr, uintptr_t start_vaddr, size_t pages,
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uint32_t flags);
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bool proc_unmap (struct proc* proc, uintptr_t start_vaddr, size_t pages);
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struct elf_aux proc_load_segments (struct proc* proc, uint8_t* elf);
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void proc_init (void);
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#endif // _KERNEL_PROC_PROC_H
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