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Diffstat (limited to 'include/asm-ia64/sn/sn_sal.h')
-rw-r--r--include/asm-ia64/sn/sn_sal.h50
1 files changed, 37 insertions, 13 deletions
diff --git a/include/asm-ia64/sn/sn_sal.h b/include/asm-ia64/sn/sn_sal.h
index 4ecc05e8ad577..88c31b53dc097 100644
--- a/include/asm-ia64/sn/sn_sal.h
+++ b/include/asm-ia64/sn/sn_sal.h
@@ -18,6 +18,7 @@
#include <asm/sn/arch.h>
#include <asm/sn/geo.h>
#include <asm/sn/nodepda.h>
+#include <asm/sn/shub_mmr.h>
// SGI Specific Calls
#define SN_SAL_POD_MODE 0x02000001
@@ -34,7 +35,7 @@
#define SN_SAL_PRINT_ERROR 0x02000012
#define SN_SAL_SET_ERROR_HANDLING_FEATURES 0x0200001a // reentrant
#define SN_SAL_GET_FIT_COMPT 0x0200001b // reentrant
-#define SN_SAL_GET_HUB_INFO 0x0200001c
+#define SN_SAL_GET_SN_INFO 0x0200001c
#define SN_SAL_GET_SAPIC_INFO 0x0200001d
#define SN_SAL_CONSOLE_PUTC 0x02000021
#define SN_SAL_CONSOLE_GETC 0x02000022
@@ -935,15 +936,24 @@ ia64_sn_get_sapic_info(int sapicid, int *nasid, int *subnode, int *slice)
/*
* Returns information about the HUB/SHUB.
* In:
- * arg0 - SN_SAL_GET_HUB_INFO
+ * arg0 - SN_SAL_GET_SN_INFO
* arg1 - 0 (other values reserved for future use)
* Out:
- * v0 - shub type (0=shub1, 1=shub2)
- * v1 - masid mask (ex., 0x7ff for 11 bit nasid)
- * v2 - bit position of low nasid bit
+ * v0
+ * [7:0] - shub type (0=shub1, 1=shub2)
+ * [15:8] - Log2 max number of nodes in entire system (includes
+ * C-bricks, I-bricks, etc)
+ * [23:16] - Log2 of nodes per sharing domain
+ * [31:24] - partition ID
+ * [39:32] - coherency_id
+ * [47:40] - regionsize
+ * v1
+ * [15:0] - nasid mask (ex., 0x7ff for 11 bit nasid)
+ * [23:15] - bit position of low nasid bit
*/
static inline u64
-ia64_sn_get_hub_info(int fc, u64 *arg1, u64 *arg2, u64 *arg3)
+ia64_sn_get_sn_info(int fc, u8 *shubtype, u16 *nasid_bitmask, u8 *nasid_shift,
+ u8 *systemsize, u8 *sharing_domain_size, u8 *partid, u8 *coher, u8 *reg)
{
struct ia64_sal_retval ret_stuff;
@@ -951,13 +961,22 @@ ia64_sn_get_hub_info(int fc, u64 *arg1, u64 *arg2, u64 *arg3)
ret_stuff.v0 = 0;
ret_stuff.v1 = 0;
ret_stuff.v2 = 0;
- SAL_CALL_NOLOCK(ret_stuff, SN_SAL_GET_HUB_INFO, fc, 0, 0, 0, 0, 0, 0);
+ SAL_CALL_NOLOCK(ret_stuff, SN_SAL_GET_SN_INFO, fc, 0, 0, 0, 0, 0, 0);
/***** BEGIN HACK - temp til old proms no longer supported ********/
if (ret_stuff.status == SALRET_NOT_IMPLEMENTED) {
- if (arg1) *arg1 = 0;
- if (arg2) *arg2 = 0x7ff;
- if (arg3) *arg3 = 38;
+ int nasid = get_sapicid() & 0xfff;;
+#define SH_SHUB_ID_NODES_PER_BIT_MASK 0x001f000000000000UL
+#define SH_SHUB_ID_NODES_PER_BIT_SHFT 48
+ if (shubtype) *shubtype = 0;
+ if (nasid_bitmask) *nasid_bitmask = 0x7ff;
+ if (nasid_shift) *nasid_shift = 38;
+ if (systemsize) *systemsize = 11;
+ if (sharing_domain_size) *sharing_domain_size = 9;
+ if (partid) *partid = ia64_sn_sysctl_partition_get(nasid);
+ if (coher) *coher = nasid >> 9;
+ if (reg) *reg = (HUB_L((u64 *) LOCAL_MMR_ADDR(SH1_SHUB_ID)) & SH_SHUB_ID_NODES_PER_BIT_MASK) >>
+ SH_SHUB_ID_NODES_PER_BIT_SHFT;
return 0;
}
/***** END HACK *******/
@@ -965,9 +984,14 @@ ia64_sn_get_hub_info(int fc, u64 *arg1, u64 *arg2, u64 *arg3)
if (ret_stuff.status < 0)
return ret_stuff.status;
- if (arg1) *arg1 = ret_stuff.v0;
- if (arg2) *arg2 = ret_stuff.v1;
- if (arg3) *arg3 = ret_stuff.v2;
+ if (shubtype) *shubtype = ret_stuff.v0 & 0xff;
+ if (systemsize) *systemsize = (ret_stuff.v0 >> 8) & 0xff;
+ if (sharing_domain_size) *sharing_domain_size = (ret_stuff.v0 >> 16) & 0xff;
+ if (partid) *partid = (ret_stuff.v0 >> 24) & 0xff;
+ if (coher) *coher = (ret_stuff.v0 >> 32) & 0xff;
+ if (reg) *reg = (ret_stuff.v0 >> 40) & 0xff;
+ if (nasid_bitmask) *nasid_bitmask = (ret_stuff.v1 & 0xffff);
+ if (nasid_shift) *nasid_shift = (ret_stuff.v1 >> 16) & 0xff;
return 0;
}