121 lines
3.5 KiB
C
121 lines
3.5 KiB
C
#ifndef HEADER_PROCESS_H
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#define HEADER_PROCESS_H
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#include <ihk/context.h>
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#include <ihk/cpu.h>
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#include <ihk/mm.h>
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#include <ihk/atomic.h>
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#include <list.h>
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#define VR_STACK 0x1
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#define VR_RESERVED 0x2
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#define VR_IO_NOCACHE 0x100
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#define VR_REMOTE 0x200
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#define PS_RUNNING 0x1
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#define PS_INTERRUPTIBLE 0x2
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#define PS_UNINTERRUPTIBLE 0x4
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#define PS_ZOMBIE 0x8
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#define PS_EXITED 0x10
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#define PS_NORMAL (PS_INTERRUPTIBLE | PS_UNINTERRUPTIBLE)
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#ifdef ATTACHED_MIC
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#define USE_LARGE_PAGES
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#endif
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#include <waitq.h>
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#include <futex.h>
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struct vm_range {
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struct list_head list;
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unsigned long start, end;
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unsigned long phys;
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unsigned long flag;
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};
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struct vm_regions {
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unsigned long text_start, text_end;
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unsigned long data_start, data_end;
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unsigned long brk_start, brk_end;
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unsigned long map_start, map_end;
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unsigned long stack_start, stack_end;
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unsigned long user_start, user_end;
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};
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struct process_vm;
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struct process {
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int pid;
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int status;
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int cpu_id;
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ihk_atomic_t refcount;
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struct process_vm *vm;
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ihk_mc_kernel_context_t ctx;
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ihk_mc_user_context_t *uctx;
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// Runqueue list entry
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struct list_head sched_list;
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ihk_spinlock_t spin_sleep_lock;
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int spin_sleep;
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struct thread {
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int *clear_child_tid;
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unsigned long tlsblock_base, tlsblock_limit;
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} thread;
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};
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struct process_vm {
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ihk_atomic_t refcount;
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struct page_table *page_table;
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struct list_head vm_range_list;
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struct vm_regions region;
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struct process *owner_process; /* process that reside on the same page */
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// Address space private futexes
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struct futex_queue futex_queues[1 << FUTEX_HASHBITS];
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ihk_spinlock_t page_table_lock;
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ihk_spinlock_t memory_range_lock;
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// to protect the followings:
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// 1. addition of process "memory range" (extend_process_region, add_process_memory_range)
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// 2. addition of process page table (allocate_pages, update_process_page_table)
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// note that physical memory allocator (ihk_mc_alloc_pages, ihk_pagealloc_alloc)
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// is protected by its own lock (see ihk/manycore/generic/page_alloc.c)
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};
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struct process *create_process(unsigned long user_pc);
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struct process *clone_process(struct process *org,
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unsigned long pc, unsigned long sp);
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void hold_process(struct process *proc);
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void free_process(struct process *proc);
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void free_process_memory(struct process *proc);
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int add_process_memory_range(struct process *process,
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unsigned long start, unsigned long end,
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unsigned long phys, unsigned long flag);
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int add_process_large_range(struct process *process,
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unsigned long start, unsigned long end,
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unsigned long flag, unsigned long *phys);
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int remove_process_region(struct process *proc,
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unsigned long start, unsigned long end);
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struct program_load_desc;
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void init_process_stack(struct process *process, struct program_load_desc *pn,
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int argc, char **argv,
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int envc, char **env);
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unsigned long extend_process_region(struct process *proc,
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unsigned long start, unsigned long end,
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unsigned long address, unsigned long flag);
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void schedule(void);
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void runq_add_proc(struct process *proc, int cpu_id);
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void runq_del_proc(struct process *proc, int cpu_id);
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int sched_wakeup_process(struct process *proc, int valid_states);
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#endif
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