gru: expicitly set instruction status to active
[linux-2.6.git] / drivers / misc / sgi-gru / gru_instructions.h
index 32f358d..41eb19a 100644 (file)
@@ -34,17 +34,17 @@ extern void gru_wait_abort_proc(void *cb);
 #include <asm/intrinsics.h>
 #define __flush_cache(p)               ia64_fc((unsigned long)p)
 /* Use volatile on IA64 to ensure ordering via st4.rel */
-#define gru_ordered_store_int(p, v)                                    \
+#define gru_ordered_store_ulong(p, v)                                  \
                do {                                                    \
                        barrier();                                      \
-                       *((volatile int *)(p)) = v; /* force st.rel */  \
+                       *((volatile unsigned long *)(p)) = v; /* force st.rel */        \
                } while (0)
 #elif defined(CONFIG_X86_64)
 #define __flush_cache(p)               clflush(p)
-#define gru_ordered_store_int(p, v)                                    \
+#define gru_ordered_store_ulong(p, v)                                  \
                do {                                                    \
                        barrier();                                      \
-                       *(int *)p = v;                                  \
+                       *(unsigned long *)p = v;                        \
                } while (0)
 #else
 #error "Unsupported architecture"
@@ -129,8 +129,13 @@ struct gru_instruction_bits {
  */
 struct gru_instruction {
     /* DW 0 */
-    unsigned int               op32;    /* icmd,xtype,iaa0,ima,opc */
-    unsigned int               tri0;
+    union {
+       unsigned long           op64;    /* icmd,xtype,iaa0,ima,opc,tri0 */
+       struct {
+               unsigned int    op32;
+               unsigned int    tri0;
+       };
+    };
     unsigned long              tri1_bufsize;           /* DW 1 */
     unsigned long              baddr0;                 /* DW 2 */
     unsigned long              nelem;                  /* DW 3 */
@@ -140,7 +145,7 @@ struct gru_instruction {
     unsigned long              avalue;                 /* DW 7 */
 };
 
-/* Some shifts and masks for the low 32 bits of a GRU command */
+/* Some shifts and masks for the low 64 bits of a GRU command */
 #define GRU_CB_ICMD_SHFT       0
 #define GRU_CB_ICMD_MASK       0x1
 #define GRU_CB_XTYPE_SHFT      8
@@ -155,6 +160,10 @@ struct gru_instruction {
 #define GRU_CB_OPC_MASK                0xff
 #define GRU_CB_EXOPC_SHFT      24
 #define GRU_CB_EXOPC_MASK      0xff
+#define GRU_IDEF2_SHFT         32
+#define GRU_IDEF2_MASK         0x3ffff
+#define GRU_ISTATUS_SHFT       56
+#define GRU_ISTATUS_MASK       0x3
 
 /* GRU instruction opcodes (opc field) */
 #define OP_NOP         0x00
@@ -296,12 +305,14 @@ union gru_mesqhead {
 
 
 /* Generate the low word of a GRU instruction */
-static inline unsigned int
-__opword(unsigned char opcode, unsigned char exopc, unsigned char xtype,
+static inline unsigned long
+__opdword(unsigned char opcode, unsigned char exopc, unsigned char xtype,
        unsigned char iaa0, unsigned char iaa1,
-       unsigned char ima)
+       unsigned long idef2, unsigned char ima)
 {
     return (1 << GRU_CB_ICMD_SHFT) |
+          ((unsigned long)CBS_ACTIVE << GRU_ISTATUS_SHFT) |
+          (idef2<< GRU_IDEF2_SHFT) |
           (iaa0 << GRU_CB_IAA0_SHFT) |
           (iaa1 << GRU_CB_IAA1_SHFT) |
           (ima << GRU_CB_IMA_SHFT) |
@@ -319,12 +330,12 @@ static inline void gru_flush_cache(void *p)
 }
 
 /*
- * Store the lower 32 bits of the command including the "start" bit. Then
+ * Store the lower 64 bits of the command including the "start" bit. Then
  * start the instruction executing.
  */
-static inline void gru_start_instruction(struct gru_instruction *ins, int op32)
+static inline void gru_start_instruction(struct gru_instruction *ins, unsigned long op64)
 {
-       gru_ordered_store_int(ins, op32);
+       gru_ordered_store_ulong(ins, op64);
        mb();
        gru_flush_cache(ins);
 }
@@ -348,10 +359,9 @@ static inline void gru_vload_phys(void *cb, unsigned long gpa,
 
        ins->baddr0 = (long)gpa | ((unsigned long)iaa << 62);
        ins->nelem = 1;
-       ins->tri0 = tri0;
        ins->op1_stride = 1;
-       gru_start_instruction(ins, __opword(OP_VLOAD, 0, XTYPE_DW, iaa, 0,
-                                       CB_IMA(hints)));
+       gru_start_instruction(ins, __opdword(OP_VLOAD, 0, XTYPE_DW, iaa, 0,
+                                       (unsigned long)tri0, CB_IMA(hints)));
 }
 
 static inline void gru_vload(void *cb, unsigned long mem_addr,
@@ -362,10 +372,9 @@ static inline void gru_vload(void *cb, unsigned long mem_addr,
 
        ins->baddr0 = (long)mem_addr;
        ins->nelem = nelem;
-       ins->tri0 = tri0;
        ins->op1_stride = stride;
-       gru_start_instruction(ins, __opword(OP_VLOAD, 0, xtype, IAA_RAM, 0,
-                                       CB_IMA(hints)));
+       gru_start_instruction(ins, __opdword(OP_VLOAD, 0, xtype, IAA_RAM, 0,
+                                       (unsigned long)tri0, CB_IMA(hints)));
 }
 
 static inline void gru_vstore(void *cb, unsigned long mem_addr,
@@ -376,10 +385,9 @@ static inline void gru_vstore(void *cb, unsigned long mem_addr,
 
        ins->baddr0 = (long)mem_addr;
        ins->nelem = nelem;
-       ins->tri0 = tri0;
        ins->op1_stride = stride;
-       gru_start_instruction(ins, __opword(OP_VSTORE, 0, xtype, IAA_RAM, 0,
-                                       CB_IMA(hints)));
+       gru_start_instruction(ins, __opdword(OP_VSTORE, 0, xtype, IAA_RAM, 0,
+                                       tri0, CB_IMA(hints)));
 }
 
 static inline void gru_ivload(void *cb, unsigned long mem_addr,
@@ -390,10 +398,9 @@ static inline void gru_ivload(void *cb, unsigned long mem_addr,
 
        ins->baddr0 = (long)mem_addr;
        ins->nelem = nelem;
-       ins->tri0 = tri0;
        ins->tri1_bufsize = tri1;
-       gru_start_instruction(ins, __opword(OP_IVLOAD, 0, xtype, IAA_RAM, 0,
-                                       CB_IMA(hints)));
+       gru_start_instruction(ins, __opdword(OP_IVLOAD, 0, xtype, IAA_RAM, 0,
+                                       tri0, CB_IMA(hints)));
 }
 
 static inline void gru_ivstore(void *cb, unsigned long mem_addr,
@@ -404,10 +411,9 @@ static inline void gru_ivstore(void *cb, unsigned long mem_addr,
 
        ins->baddr0 = (long)mem_addr;
        ins->nelem = nelem;
-       ins->tri0 = tri0;
        ins->tri1_bufsize = tri1;
-       gru_start_instruction(ins, __opword(OP_IVSTORE, 0, xtype, IAA_RAM, 0,
-                                       CB_IMA(hints)));
+       gru_start_instruction(ins, __opdword(OP_IVSTORE, 0, xtype, IAA_RAM, 0,
+                                       tri0, CB_IMA(hints)));
 }
 
 static inline void gru_vset(void *cb, unsigned long mem_addr,
@@ -420,8 +426,8 @@ static inline void gru_vset(void *cb, unsigned long mem_addr,
        ins->op2_value_baddr1 = value;
        ins->nelem = nelem;
        ins->op1_stride = stride;
-       gru_start_instruction(ins, __opword(OP_VSET, 0, xtype, IAA_RAM, 0,
-                                        CB_IMA(hints)));
+       gru_start_instruction(ins, __opdword(OP_VSET, 0, xtype, IAA_RAM, 0,
+                                        0, CB_IMA(hints)));
 }
 
 static inline void gru_ivset(void *cb, unsigned long mem_addr,
@@ -434,8 +440,8 @@ static inline void gru_ivset(void *cb, unsigned long mem_addr,
        ins->op2_value_baddr1 = value;
        ins->nelem = nelem;
        ins->tri1_bufsize = tri1;
-       gru_start_instruction(ins, __opword(OP_IVSET, 0, xtype, IAA_RAM, 0,
-                                       CB_IMA(hints)));
+       gru_start_instruction(ins, __opdword(OP_IVSET, 0, xtype, IAA_RAM, 0,
+                                       0, CB_IMA(hints)));
 }
 
 static inline void gru_vflush(void *cb, unsigned long mem_addr,
@@ -447,15 +453,15 @@ static inline void gru_vflush(void *cb, unsigned long mem_addr,
        ins->baddr0 = (long)mem_addr;
        ins->op1_stride = stride;
        ins->nelem = nelem;
-       gru_start_instruction(ins, __opword(OP_VFLUSH, 0, xtype, IAA_RAM, 0,
-                                       CB_IMA(hints)));
+       gru_start_instruction(ins, __opdword(OP_VFLUSH, 0, xtype, IAA_RAM, 0,
+                                       0, CB_IMA(hints)));
 }
 
 static inline void gru_nop(void *cb, int hints)
 {
        struct gru_instruction *ins = (void *)cb;
 
-       gru_start_instruction(ins, __opword(OP_NOP, 0, 0, 0, 0, CB_IMA(hints)));
+       gru_start_instruction(ins, __opdword(OP_NOP, 0, 0, 0, 0, 0, CB_IMA(hints)));
 }
 
 
@@ -469,10 +475,9 @@ static inline void gru_bcopy(void *cb, const unsigned long src,
        ins->baddr0 = (long)src;
        ins->op2_value_baddr1 = (long)dest;
        ins->nelem = nelem;
-       ins->tri0 = tri0;
        ins->tri1_bufsize = bufsize;
-       gru_start_instruction(ins, __opword(OP_BCOPY, 0, xtype, IAA_RAM,
-                                       IAA_RAM, CB_IMA(hints)));
+       gru_start_instruction(ins, __opdword(OP_BCOPY, 0, xtype, IAA_RAM,
+                                       IAA_RAM, tri0, CB_IMA(hints)));
 }
 
 static inline void gru_bstore(void *cb, const unsigned long src,
@@ -484,9 +489,8 @@ static inline void gru_bstore(void *cb, const unsigned long src,
        ins->baddr0 = (long)src;
        ins->op2_value_baddr1 = (long)dest;
        ins->nelem = nelem;
-       ins->tri0 = tri0;
-       gru_start_instruction(ins, __opword(OP_BSTORE, 0, xtype, 0, IAA_RAM,
-                                       CB_IMA(hints)));
+       gru_start_instruction(ins, __opdword(OP_BSTORE, 0, xtype, 0, IAA_RAM,
+                                       tri0, CB_IMA(hints)));
 }
 
 static inline void gru_gamir(void *cb, int exopc, unsigned long src,
@@ -495,8 +499,8 @@ static inline void gru_gamir(void *cb, int exopc, unsigned long src,
        struct gru_instruction *ins = (void *)cb;
 
        ins->baddr0 = (long)src;
-       gru_start_instruction(ins, __opword(OP_GAMIR, exopc, xtype, IAA_RAM, 0,
-                                       CB_IMA(hints)));
+       gru_start_instruction(ins, __opdword(OP_GAMIR, exopc, xtype, IAA_RAM, 0,
+                                       0, CB_IMA(hints)));
 }
 
 static inline void gru_gamirr(void *cb, int exopc, unsigned long src,
@@ -505,8 +509,8 @@ static inline void gru_gamirr(void *cb, int exopc, unsigned long src,
        struct gru_instruction *ins = (void *)cb;
 
        ins->baddr0 = (long)src;
-       gru_start_instruction(ins, __opword(OP_GAMIRR, exopc, xtype, IAA_RAM, 0,
-                                       CB_IMA(hints)));
+       gru_start_instruction(ins, __opdword(OP_GAMIRR, exopc, xtype, IAA_RAM, 0,
+                                       0, CB_IMA(hints)));
 }
 
 static inline void gru_gamer(void *cb, int exopc, unsigned long src,
@@ -519,8 +523,8 @@ static inline void gru_gamer(void *cb, int exopc, unsigned long src,
        ins->baddr0 = (long)src;
        ins->op1_stride = operand1;
        ins->op2_value_baddr1 = operand2;
-       gru_start_instruction(ins, __opword(OP_GAMER, exopc, xtype, IAA_RAM, 0,
-                                       CB_IMA(hints)));
+       gru_start_instruction(ins, __opdword(OP_GAMER, exopc, xtype, IAA_RAM, 0,
+                                       0, CB_IMA(hints)));
 }
 
 static inline void gru_gamerr(void *cb, int exopc, unsigned long src,
@@ -532,8 +536,8 @@ static inline void gru_gamerr(void *cb, int exopc, unsigned long src,
        ins->baddr0 = (long)src;
        ins->op1_stride = operand1;
        ins->op2_value_baddr1 = operand2;
-       gru_start_instruction(ins, __opword(OP_GAMERR, exopc, xtype, IAA_RAM, 0,
-                                       CB_IMA(hints)));
+       gru_start_instruction(ins, __opdword(OP_GAMERR, exopc, xtype, IAA_RAM, 0,
+                                       0, CB_IMA(hints)));
 }
 
 static inline void gru_gamxr(void *cb, unsigned long src,
@@ -543,8 +547,8 @@ static inline void gru_gamxr(void *cb, unsigned long src,
 
        ins->baddr0 = (long)src;
        ins->nelem = 4;
-       gru_start_instruction(ins, __opword(OP_GAMXR, EOP_XR_CSWAP, XTYPE_DW,
-                                IAA_RAM, 0, CB_IMA(hints)));
+       gru_start_instruction(ins, __opdword(OP_GAMXR, EOP_XR_CSWAP, XTYPE_DW,
+                                IAA_RAM, 0, 0, CB_IMA(hints)));
 }
 
 static inline void gru_mesq(void *cb, unsigned long queue,
@@ -555,9 +559,8 @@ static inline void gru_mesq(void *cb, unsigned long queue,
 
        ins->baddr0 = (long)queue;
        ins->nelem = nelem;
-       ins->tri0 = tri0;
-       gru_start_instruction(ins, __opword(OP_MESQ, 0, XTYPE_CL, IAA_RAM, 0,
-                                       CB_IMA(hints)));
+       gru_start_instruction(ins, __opdword(OP_MESQ, 0, XTYPE_CL, IAA_RAM, 0,
+                                       tri0, CB_IMA(hints)));
 }
 
 static inline unsigned long gru_get_amo_value(void *cb)
@@ -676,6 +679,14 @@ static inline void gru_wait_abort(void *cb)
        gru_wait_abort_proc(cb);
 }
 
+/*
+ * Get a pointer to the start of a gseg
+ *     p       - Any valid pointer within the gseg
+ */
+static inline void *gru_get_gseg_pointer (void *p)
+{
+       return (void *)((unsigned long)p & ~(GRU_GSEG_PAGESIZE - 1));
+}
 
 /*
  * Get a pointer to a control block