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xpmem: Support large page attachment

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Change-Id: I4d672eee1c905160ece204d278f0afd9b6d7dc01
Refs: #1259
This commit is contained in:
Masamichi Takagi
2019-04-04 02:29:34 +00:00
committed by Ken Sato
parent 569dc33a9c
commit a8696d811d
35 changed files with 2394 additions and 104 deletions
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14
kernel/include/xpmem.h
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@@ -27,6 +27,20 @@ int xpmem_remove_process_memory_range(struct process_vm *vm,
struct vm_range *vmr);
int xpmem_fault_process_memory_range(struct process_vm *vm,
struct vm_range *vmr, unsigned long vaddr, uint64_t reason);
int xpmem_update_process_page_table(struct process_vm *vm,
struct vm_range *vmr);
struct xpmem_attachment {
mcs_rwlock_lock_t at_lock; /* att lock */
unsigned long vaddr; /* starting address of seg attached */
unsigned long at_vaddr; /* address where seg is attached */
size_t at_size; /* size of seg attachment */
struct vm_range *at_vmr; /* vm_range where seg is attachment */
int flags; /* att attributes and state */
ihk_atomic_t refcnt; /* references to att */
struct xpmem_access_permit *ap; /* associated access permit */
struct list_head att_list; /* atts linked to access permit */
struct process_vm *vm; /* process_vm attached to */
};
#endif /* _XPMEM_H */