diff options
Diffstat (limited to 'include/asm-powerpc/iseries/it_lp_queue.h')
-rw-r--r-- | include/asm-powerpc/iseries/it_lp_queue.h | 40 |
1 files changed, 20 insertions, 20 deletions
diff --git a/include/asm-powerpc/iseries/it_lp_queue.h b/include/asm-powerpc/iseries/it_lp_queue.h index b7c6fc12cce2..284c5a7db3ac 100644 --- a/include/asm-powerpc/iseries/it_lp_queue.h +++ b/include/asm-powerpc/iseries/it_lp_queue.h | |||
@@ -29,20 +29,20 @@ | |||
29 | 29 | ||
30 | struct HvLpEvent; | 30 | struct HvLpEvent; |
31 | 31 | ||
32 | #define ITMaxLpQueues 8 | 32 | #define IT_LP_MAX_QUEUES 8 |
33 | 33 | ||
34 | #define NotUsed 0 // Queue will not be used by PLIC | 34 | #define IT_LP_NOT_USED 0 /* Queue will not be used by PLIC */ |
35 | #define DedicatedIo 1 // Queue dedicated to IO processor specified | 35 | #define IT_LP_DEDICATED_IO 1 /* Queue dedicated to IO processor specified */ |
36 | #define DedicatedLp 2 // Queue dedicated to LP specified | 36 | #define IT_LP_DEDICATED_LP 2 /* Queue dedicated to LP specified */ |
37 | #define Shared 3 // Queue shared for both IO and LP | 37 | #define IT_LP_SHARED 3 /* Queue shared for both IO and LP */ |
38 | 38 | ||
39 | #define LpEventStackSize 4096 | 39 | #define IT_LP_EVENT_STACK_SIZE 4096 |
40 | #define LpEventMaxSize 256 | 40 | #define IT_LP_EVENT_MAX_SIZE 256 |
41 | #define LpEventAlign 64 | 41 | #define IT_LP_EVENT_ALIGN 64 |
42 | 42 | ||
43 | struct hvlpevent_queue { | 43 | struct hvlpevent_queue { |
44 | /* | 44 | /* |
45 | * The xSlicCurEventPtr is the pointer to the next event stack entry | 45 | * The hq_current_event is the pointer to the next event stack entry |
46 | * that will become valid. The OS must peek at this entry to determine | 46 | * that will become valid. The OS must peek at this entry to determine |
47 | * if it is valid. PLIC will set the valid indicator as the very last | 47 | * if it is valid. PLIC will set the valid indicator as the very last |
48 | * store into that entry. | 48 | * store into that entry. |
@@ -52,23 +52,23 @@ struct hvlpevent_queue { | |||
52 | * location again. | 52 | * location again. |
53 | * | 53 | * |
54 | * If the event stack fills and there are overflow events, then PLIC | 54 | * If the event stack fills and there are overflow events, then PLIC |
55 | * will set the xPlicOverflowIntPending flag in which case the OS will | 55 | * will set the hq_overflow_pending flag in which case the OS will |
56 | * have to fetch the additional LP events once they have drained the | 56 | * have to fetch the additional LP events once they have drained the |
57 | * event stack. | 57 | * event stack. |
58 | * | 58 | * |
59 | * The first 16-bytes are known by both the OS and PLIC. The remainder | 59 | * The first 16-bytes are known by both the OS and PLIC. The remainder |
60 | * of the cache line is for use by the OS. | 60 | * of the cache line is for use by the OS. |
61 | */ | 61 | */ |
62 | u8 xPlicOverflowIntPending;// 0x00 Overflow events are pending | 62 | u8 hq_overflow_pending; /* 0x00 Overflow events are pending */ |
63 | u8 xPlicStatus; // 0x01 DedicatedIo or DedicatedLp or NotUsed | 63 | u8 hq_status; /* 0x01 DedicatedIo or DedicatedLp or NotUsed */ |
64 | u16 xSlicLogicalProcIndex; // 0x02 Logical Proc Index for correlation | 64 | u16 hq_proc_index; /* 0x02 Logical Proc Index for correlation */ |
65 | u8 xPlicRsvd[12]; // 0x04 | 65 | u8 hq_reserved1[12]; /* 0x04 */ |
66 | char *xSlicCurEventPtr; // 0x10 | 66 | char *hq_current_event; /* 0x10 */ |
67 | char *xSlicLastValidEventPtr; // 0x18 | 67 | char *hq_last_event; /* 0x18 */ |
68 | char *xSlicEventStackPtr; // 0x20 | 68 | char *hq_event_stack; /* 0x20 */ |
69 | u8 xIndex; // 0x28 unique sequential index. | 69 | u8 hq_index; /* 0x28 unique sequential index. */ |
70 | u8 xSlicRsvd[3]; // 0x29-2b | 70 | u8 hq_reserved2[3]; /* 0x29-2b */ |
71 | spinlock_t lock; | 71 | spinlock_t hq_lock; |
72 | }; | 72 | }; |
73 | 73 | ||
74 | extern struct hvlpevent_queue hvlpevent_queue; | 74 | extern struct hvlpevent_queue hvlpevent_queue; |