patch-2.4.22 linux-2.4.22/include/asm-ia64/sn/sn_sal.h

• Lines: 488
• Date: 2003-08-25 04:44:43.000000000 -0700
• Orig file: linux-2.4.21/include/asm-ia64/sn/sn_sal.h
• Orig date: 2003-06-13 07:51:38.000000000 -0700

diff -urN linux-2.4.21/include/asm-ia64/sn/sn_sal.h linux-2.4.22/include/asm-ia64/sn/sn_sal.h
@@ -8,7 +8,7 @@
  * License.  See the file "COPYING" in the main directory of this archive
  * for more details.
  *
- * Copyright (c) 2000-2002 Silicon Graphics, Inc.  All rights reserved.
+ * Copyright (c) 2000-2003 Silicon Graphics, Inc.  All rights reserved.
  */
 
 
@@ -27,6 +27,9 @@
 #define  SN_SAL_LOG_CE				   0x02000006
 #define  SN_SAL_REGISTER_CE			   0x02000007
 #define  SN_SAL_GET_PARTITION_ADDR		   0x02000009
+#define  SN_SAL_XP_ADDR_REGION			   0x0200000f
+#define  SN_SAL_NO_FAULT_ZONE_VIRTUAL		   0x02000010
+#define  SN_SAL_NO_FAULT_ZONE_PHYSICAL		   0x02000011
 #define  SN_SAL_PRINT_ERROR			   0x02000012
 #define  SN_SAL_CONSOLE_PUTC                       0x02000021
 #define  SN_SAL_CONSOLE_GETC                       0x02000022
@@ -36,6 +39,8 @@
 #define  SN_SAL_CONSOLE_POLL                       0x02000026
 #define  SN_SAL_CONSOLE_INTR                       0x02000027
 #define  SN_SAL_CONSOLE_PUTB			   0x02000028
+#define  SN_SAL_CONSOLE_XMIT_CHARS		   0x0200002a
+#define  SN_SAL_CONSOLE_READC			   0x0200002b
 #define  SN_SAL_SYSCTL_MODID_GET	           0x02000031
 #define  SN_SAL_SYSCTL_GET                         0x02000032
 #define  SN_SAL_SYSCTL_IOBRICK_MODULE_GET          0x02000033
@@ -47,17 +52,23 @@
 #define  SN_SAL_SYSCTL_PARTITION_GET		   0x0200003a
 #define  SN_SAL_SYSTEM_POWER_DOWN		   0x0200003b
 #define  SN_SAL_GET_MASTER_BASEIO_NASID		   0x0200003c
+#define  SN_SAL_COHERENCE                          0x0200003d
+#define  SN_SAL_MEMPROTECT                         0x0200003e
+#define  SN_SAL_SYSCTL_FRU_CAPTURE		   0x0200003f
 
 
 /*
  * Service-specific constants
  */
-#define SAL_CONSOLE_INTR_IN     0       /* manipulate input interrupts */
-#define SAL_CONSOLE_INTR_OUT    1       /* manipulate output low-water
-                                         * interrupts
-                                         */
+
+/* Console interrupt manipulation */
+	/* action codes */
 #define SAL_CONSOLE_INTR_OFF    0       /* turn the interrupt off */
 #define SAL_CONSOLE_INTR_ON     1       /* turn the interrupt on */
+#define SAL_CONSOLE_INTR_STATUS 2	/* retrieve the interrupt status */
+	/* interrupt specification & status return codes */
+#define SAL_CONSOLE_INTR_XMIT	1	/* output interrupt */
+#define SAL_CONSOLE_INTR_RECV	2	/* input interrupt */
 
 
 /*
@@ -103,15 +114,8 @@
  * Specify the minimum PROM revsion required for this kernel.
  * Note that they're stored in hex format...
  */
-#ifdef CONFIG_IA64_SGI_SN1
-#define SN_SAL_MIN_MAJOR	0x0
-#define SN_SAL_MIN_MINOR	0x03 /* SN1 PROMs are stuck at rev 0.03 */
-#elif defined(CONFIG_IA64_SGI_SN2)
-#define SN_SAL_MIN_MAJOR	0x0
-#define SN_SAL_MIN_MINOR	0x11
-#else
-#error "must specify which PROM revisions this kernel needs"
-#endif /* CONFIG_IA64_SGI_SN1 */
+#define SN_SAL_MIN_MAJOR	0x1  /* SN2 kernels need at least PROM 1.0 */
+#define SN_SAL_MIN_MINOR	0x0
 
 u64 ia64_sn_probe_io_slot(long paddr, long size, void *data_ptr);
 
@@ -124,10 +128,10 @@
 {
 	struct ia64_sal_retval ret_stuff;
 
-	ret_stuff.status = (uint64_t)0;
-	ret_stuff.v0 = (uint64_t)0;
-	ret_stuff.v1 = (uint64_t)0;
-	ret_stuff.v2 = (uint64_t)0;
+	ret_stuff.status = 0;
+	ret_stuff.v0 = 0;
+	ret_stuff.v1 = 0;
+	ret_stuff.v2 = 0;
 	SAL_CALL(ret_stuff, SN_SAL_GET_MASTER_NASID, 0, 0, 0, 0, 0, 0, 0);
 
 	if (ret_stuff.status < 0)
@@ -146,10 +150,10 @@
 {
 	struct ia64_sal_retval ret_stuff;
 
-	ret_stuff.status = (uint64_t)0;
-	ret_stuff.v0 = (uint64_t)0;
-	ret_stuff.v1 = (uint64_t)0;
-	ret_stuff.v2 = (uint64_t)0;
+	ret_stuff.status = 0;
+	ret_stuff.v0 = 0;
+	ret_stuff.v1 = 0;
+	ret_stuff.v2 = 0;
 	SAL_CALL(ret_stuff, SN_SAL_GET_MASTER_BASEIO_NASID, 0, 0, 0, 0, 0, 0, 0);
 
 	if (ret_stuff.status < 0)
@@ -168,10 +172,10 @@
 
 	cnodeid = nasid_to_cnodeid(nasid);
 	if (klgraph_addr[cnodeid] == 0) {
-		ret_stuff.status = (uint64_t)0;
-		ret_stuff.v0 = (uint64_t)0;
-		ret_stuff.v1 = (uint64_t)0;
-		ret_stuff.v2 = (uint64_t)0;
+		ret_stuff.status = 0;
+		ret_stuff.v0 = 0;
+		ret_stuff.v1 = 0;
+		ret_stuff.v2 = 0;
 		SAL_CALL(ret_stuff, SN_SAL_GET_KLCONFIG_ADDR, (u64)nasid, 0, 0, 0, 0, 0, 0);
 
 		/*
@@ -195,10 +199,10 @@
 {
 	struct ia64_sal_retval ret_stuff;
 
-	ret_stuff.status = (uint64_t)0;
-	ret_stuff.v0 = (uint64_t)0;
-	ret_stuff.v1 = (uint64_t)0;
-	ret_stuff.v2 = (uint64_t)0;
+	ret_stuff.status = 0;
+	ret_stuff.v0 = 0;
+	ret_stuff.v1 = 0;
+	ret_stuff.v2 = 0;
 	SAL_CALL_NOLOCK(ret_stuff, SN_SAL_CONSOLE_GETC, 0, 0, 0, 0, 0, 0, 0);
 
 	/* character is in 'v0' */
@@ -208,6 +212,26 @@
 }
 
 /*
+ * Read a character from the SAL console device, after a previous interrupt
+ * or poll operation has given us to know that a character is available
+ * to be read.
+ */
+static inline u64
+ia64_sn_console_readc(void)
+{
+	struct ia64_sal_retval ret_stuff;
+
+	ret_stuff.status = 0;
+	ret_stuff.v0 = 0;
+	ret_stuff.v1 = 0;
+	ret_stuff.v2 = 0;
+	SAL_CALL_NOLOCK(ret_stuff, SN_SAL_CONSOLE_READC, 0, 0, 0, 0, 0, 0, 0);
+
+	/* character is in 'v0' */
+	return ret_stuff.v0;
+}
+
+/*
  * Sends the given character to the console.
  */
 static inline u64
@@ -215,10 +239,10 @@
 {
 	struct ia64_sal_retval ret_stuff;
 
-	ret_stuff.status = (uint64_t)0;
-	ret_stuff.v0 = (uint64_t)0;
-	ret_stuff.v1 = (uint64_t)0;
-	ret_stuff.v2 = (uint64_t)0;
+	ret_stuff.status = 0;
+	ret_stuff.v0 = 0;
+	ret_stuff.v1 = 0;
+	ret_stuff.v2 = 0;
 	SAL_CALL_NOLOCK(ret_stuff, SN_SAL_CONSOLE_PUTC, (uint64_t)ch, 0, 0, 0, 0, 0, 0);
 
 	return ret_stuff.status;
@@ -228,17 +252,20 @@
  * Sends the given buffer to the console.
  */
 static inline u64
-ia64_sn_console_putb(char *buf, int len)
+ia64_sn_console_putb(const char *buf, int len)
 {
 	struct ia64_sal_retval ret_stuff;
 
-	ret_stuff.status = (uint64_t)0;
-	ret_stuff.v0 = (uint64_t)0;
-	ret_stuff.v1 = (uint64_t)0;
-	ret_stuff.v2 = (uint64_t)0;
+	ret_stuff.status = 0;
+	ret_stuff.v0 = 0; 
+	ret_stuff.v1 = 0;
+	ret_stuff.v2 = 0;
 	SAL_CALL_NOLOCK(ret_stuff, SN_SAL_CONSOLE_PUTB, (uint64_t)buf, (uint64_t)len, 0, 0, 0, 0, 0);
 
-	return ret_stuff.status;
+	if ( ret_stuff.status == 0 ) {
+		return ret_stuff.v0;
+	}
+	return (u64)0;
 }
 
 /*
@@ -249,10 +276,10 @@
 {
 	struct ia64_sal_retval ret_stuff;
 
-	ret_stuff.status = (uint64_t)0;
-	ret_stuff.v0 = (uint64_t)0;
-	ret_stuff.v1 = (uint64_t)0;
-	ret_stuff.v2 = (uint64_t)0;
+	ret_stuff.status = 0;
+	ret_stuff.v0 = 0;
+	ret_stuff.v1 = 0;
+	ret_stuff.v2 = 0;
 	SAL_CALL_NOLOCK(ret_stuff, SN_SAL_PRINT_ERROR, (uint64_t)hook, (uint64_t)rec, 0, 0, 0, 0, 0);
 
 	return ret_stuff.status;
@@ -266,10 +293,10 @@
 {
 	struct ia64_sal_retval ret_stuff;
 
-	ret_stuff.status = (uint64_t)0;
-	ret_stuff.v0 = (uint64_t)0;
-	ret_stuff.v1 = (uint64_t)0;
-	ret_stuff.v2 = (uint64_t)0;
+	ret_stuff.status = 0;
+	ret_stuff.v0 = 0;
+	ret_stuff.v1 = 0;
+	ret_stuff.v2 = 0;
 	SAL_CALL_NOLOCK(ret_stuff, SN_SAL_LOG_CE, 0, 0, 0, 0, 0, 0, 0);
 
 	return ret_stuff.status;
@@ -283,10 +310,10 @@
 {
 	struct ia64_sal_retval ret_stuff;
 
-	ret_stuff.status = (uint64_t)0;
-	ret_stuff.v0 = (uint64_t)0;
-	ret_stuff.v1 = (uint64_t)0;
-	ret_stuff.v2 = (uint64_t)0;
+	ret_stuff.status = 0;
+	ret_stuff.v0 = 0;
+	ret_stuff.v1 = 0;
+	ret_stuff.v2 = 0;
 	SAL_CALL_NOLOCK(ret_stuff, SN_SAL_CONSOLE_POLL, 0, 0, 0, 0, 0, 0, 0);
 
 	/* result is in 'v0' */
@@ -296,6 +323,86 @@
 }
 
 /*
+ * Checks console interrupt status
+ */
+static inline u64
+ia64_sn_console_intr_status(void)
+{
+	struct ia64_sal_retval ret_stuff;
+
+	ret_stuff.status = 0;
+	ret_stuff.v0 = 0;
+	ret_stuff.v1 = 0;
+	ret_stuff.v2 = 0;
+	SAL_CALL_NOLOCK(ret_stuff, SN_SAL_CONSOLE_INTR, 
+		 0, SAL_CONSOLE_INTR_STATUS,
+		 0, 0, 0, 0, 0);
+
+	if (ret_stuff.status == 0) {
+	    return ret_stuff.v0;
+	}
+	
+	return 0;
+}
+
+/*
+ * Enable an interrupt on the SAL console device.
+ */
+static inline void
+ia64_sn_console_intr_enable(uint64_t intr)
+{
+	struct ia64_sal_retval ret_stuff;
+
+	ret_stuff.status = 0;
+	ret_stuff.v0 = 0;
+	ret_stuff.v1 = 0;
+	ret_stuff.v2 = 0;
+	SAL_CALL_NOLOCK(ret_stuff, SN_SAL_CONSOLE_INTR, 
+		 intr, SAL_CONSOLE_INTR_ON,
+		 0, 0, 0, 0, 0);
+}
+
+/*
+ * Disable an interrupt on the SAL console device.
+ */
+static inline void
+ia64_sn_console_intr_disable(uint64_t intr)
+{
+	struct ia64_sal_retval ret_stuff;
+
+	ret_stuff.status = 0;
+	ret_stuff.v0 = 0;
+	ret_stuff.v1 = 0;
+	ret_stuff.v2 = 0;
+	SAL_CALL_NOLOCK(ret_stuff, SN_SAL_CONSOLE_INTR, 
+		 intr, SAL_CONSOLE_INTR_OFF,
+		 0, 0, 0, 0, 0);
+}
+
+/*
+ * Sends a character buffer to the console asynchronously.
+ */
+static inline u64
+ia64_sn_console_xmit_chars(char *buf, int len)
+{
+	struct ia64_sal_retval ret_stuff;
+
+	ret_stuff.status = 0;
+	ret_stuff.v0 = 0;
+	ret_stuff.v1 = 0;
+	ret_stuff.v2 = 0;
+	SAL_CALL_NOLOCK(ret_stuff, SN_SAL_CONSOLE_XMIT_CHARS,
+		 (uint64_t)buf, (uint64_t)len,
+		 0, 0, 0, 0, 0);
+
+	if (ret_stuff.status == 0) {
+	    return ret_stuff.v0;
+	}
+
+	return 0;
+}
+
+/*
  * Returns the iobrick module Id
  */
 static inline u64
@@ -303,11 +410,11 @@
 {
 	struct ia64_sal_retval ret_stuff;
 
-	ret_stuff.status = (uint64_t)0;
-	ret_stuff.v0 = (uint64_t)0;
-	ret_stuff.v1 = (uint64_t)0;
-	ret_stuff.v2 = (uint64_t)0;
-	SAL_CALL(ret_stuff, SN_SAL_SYSCTL_IOBRICK_MODULE_GET, nasid, 0, 0, 0, 0, 0, 0);
+	ret_stuff.status = 0;
+	ret_stuff.v0 = 0;
+	ret_stuff.v1 = 0;
+	ret_stuff.v2 = 0;
+	SAL_CALL_NOLOCK(ret_stuff, SN_SAL_SYSCTL_IOBRICK_MODULE_GET, nasid, 0, 0, 0, 0, 0, 0);
 
 	/* result is in 'v0' */
 	*result = (int)ret_stuff.v0;
@@ -339,7 +446,7 @@
 ia64_sn_sys_serial_get(char *buf)
 {
 	struct ia64_sal_retval ret_stuff;
-	SAL_CALL(ret_stuff, SN_SAL_SYS_SERIAL_GET, buf, 0, 0, 0, 0, 0, 0);
+	SAL_CALL_NOLOCK(ret_stuff, SN_SAL_SYS_SERIAL_GET, buf, 0, 0, 0, 0, 0, 0);
 	return ret_stuff.status;
 }
 
@@ -395,7 +502,6 @@
 	return ((partid_t)ret_stuff.v0);
 }
 
-#ifdef CONFIG_IA64_SGI_SN2
 /*
  * Returns the partition id of the current processor.
  */
@@ -411,7 +517,96 @@
 	}
 }
 
-#endif /* CONFIG_IA64_SGI_SN2 */
+/*
+ * Register or unregister a physical address range being referenced across
+ * a partition boundary for which certain SAL errors should be scanned for,
+ * cleaned up and ignored.  This is of value for kernel partitioning code only.
+ * Values for the operation argument:
+ *	1 = register this address range with SAL
+ *	0 = unregister this address range with SAL
+ * 
+ * SAL maintains a reference count on an address range in case it is registered
+ * multiple times.
+ * 
+ * On success, returns the reference count of the address range after the SAL
+ * call has performed the current registration/unregistration.  Returns a
+ * negative value if an error occurred.
+ */
+static inline int
+sn_register_xp_addr_region(u64 paddr, u64 len, int operation)
+{
+	struct ia64_sal_retval ret_stuff;
+	SAL_CALL(ret_stuff, SN_SAL_XP_ADDR_REGION, paddr, len, (u64)operation,
+		 0, 0, 0, 0);
+	return ret_stuff.status;
+}
+
+/*
+ * Register or unregister an instruction range for which SAL errors should
+ * be ignored.  If an error occurs while in the registered range, SAL jumps
+ * to return_addr after ignoring the error.  Values for the operation argument:
+ *	1 = register this instruction range with SAL
+ *	0 = unregister this instruction range with SAL
+ *
+ * Returns 0 on success, or a negative value if an error occurred.
+ */
+static inline int
+sn_register_nofault_code(u64 start_addr, u64 end_addr, u64 return_addr,
+			 int virtual, int operation)
+{
+	struct ia64_sal_retval ret_stuff;
+	u64 call;
+	if (virtual) {
+		call = SN_SAL_NO_FAULT_ZONE_VIRTUAL;
+	} else {
+		call = SN_SAL_NO_FAULT_ZONE_PHYSICAL;
+	}
+	SAL_CALL(ret_stuff, call, start_addr, end_addr, return_addr, (u64)1,
+		 0, 0, 0);
+	return ret_stuff.status;
+}
+
+/*
+ * Change or query the coherence domain for this partition. Each cpu-based
+ * nasid is represented by a bit in an array of 64-bit words:
+ *      0 = not in this partition's coherency domain
+ *      1 = in this partition's coherency domain
+ *
+ * It is not possible for the local system's nasids to be removed from
+ * the coherency domain.  Purpose of the domain arguments:
+ *      new_domain = set the coherence domain to the given nasids
+ *      old_domain = return the current coherence domain
+ *
+ * Returns 0 on success, or a negative value if an error occurred.
+ */
+static inline int
+sn_change_coherence(u64 *new_domain, u64 *old_domain)
+{
+	struct ia64_sal_retval ret_stuff;
+	SAL_CALL(ret_stuff, SN_SAL_COHERENCE, new_domain, old_domain, 0, 0,
+		 0, 0, 0);
+	return ret_stuff.status;
+}
+
+/*
+ * Change memory access protections for a physical address range.
+ * nasid_array is not used on Altix, but may be in future architectures.
+ * Available memory protection access classes are defined after the function.
+ */
+static inline int
+sn_change_memprotect(u64 paddr, u64 len, u64 perms, u64 *nasid_array)
+{
+	struct ia64_sal_retval ret_stuff;
+	SAL_CALL(ret_stuff, SN_SAL_MEMPROTECT, paddr, len, nasid_array,
+		 perms, 0, 0, 0);
+	return ret_stuff.status;
+}
+#define SN_MEMPROT_ACCESS_CLASS_0		0x14a080
+#define SN_MEMPROT_ACCESS_CLASS_1		0x2520c2
+#define SN_MEMPROT_ACCESS_CLASS_2		0x14a1ca
+#define SN_MEMPROT_ACCESS_CLASS_3		0x14a290
+#define SN_MEMPROT_ACCESS_CLASS_6		0x084080
+#define SN_MEMPROT_ACCESS_CLASS_7		0x021080
 
 /*
  * Turns off system power.
@@ -425,5 +620,20 @@
 	/* never returns */
 }
 
+/**
+ * ia64_sn_fru_capture - tell the system controller to capture hw state
+ *
+ * This routine will call the SAL which will tell the system controller(s)
+ * to capture hw mmr information from each SHub in the system.
+ */
+static inline u64
+ia64_sn_fru_capture(void)
+{
+        struct ia64_sal_retval isrv;
+        SAL_CALL(isrv, SN_SAL_SYSCTL_FRU_CAPTURE, 0, 0, 0, 0, 0, 0, 0);
+        if (isrv.status)
+                return 0;
+        return isrv.v0;
+}
 
 #endif /* _ASM_IA64_SN_SN_SAL_H */