diff options
Diffstat (limited to 'arch/powerpc/include/asm/vas.h')
| -rw-r--r-- | arch/powerpc/include/asm/vas.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/vas.h b/arch/powerpc/include/asm/vas.h index 57573d9c1e09..83afcb6c194b 100644 --- a/arch/powerpc/include/asm/vas.h +++ b/arch/powerpc/include/asm/vas.h @@ -30,6 +30,16 @@ #define VAS_THRESH_FIFO_GT_EIGHTH_FULL 3 /* + * VAS window Linux status bits + */ +#define VAS_WIN_ACTIVE 0x0 /* Used in platform independent */ + /* vas mmap() */ +/* Window is closed in the hypervisor due to lost credit */ +#define VAS_WIN_NO_CRED_CLOSE 0x00000001 +/* Window is closed due to migration */ +#define VAS_WIN_MIGRATE_CLOSE 0x00000002 + +/* * Get/Set bit fields */ #define GET_FIELD(m, v) (((v) & (m)) >> MASK_LSH(m)) @@ -59,6 +69,9 @@ struct vas_user_win_ref { struct pid *pid; /* PID of owner */ struct pid *tgid; /* Thread group ID of owner */ struct mm_struct *mm; /* Linux process mm_struct */ + struct mutex mmap_mutex; /* protects paste address mmap() */ + /* with DLPAR close/open windows */ + struct vm_area_struct *vma; /* Save VMA and used in DLPAR ops */ }; /* @@ -67,6 +80,7 @@ struct vas_user_win_ref { struct vas_window { u32 winid; u32 wcreds_max; /* Window credits */ + u32 status; /* Window status used in OS */ enum vas_cop_type cop; struct vas_user_win_ref task_ref; char *dbgname; |