patch-2.3.43 linux/include/asm-ia64/mca.h

• Lines: 144
• Date: Sun Feb 6 18:42:40 2000
• Orig file: v2.3.42/linux/include/asm-ia64/mca.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.3.42/linux/include/asm-ia64/mca.h linux/include/asm-ia64/mca.h
@@ -0,0 +1,143 @@
+/*
+ * File: 	mca.h
+ * Purpose: 	Machine check handling specific defines
+ *
+ * Copyright (C) 1999 Silicon Graphics, Inc.
+ * Copyright (C) Vijay Chander (vijay@engr.sgi.com)
+ * Copyright (C) Srinivasa Thirumalachar (sprasad@engr.sgi.com)
+ */
+#ifndef _ASM_IA64_MCA_H
+#define _ASM_IA64_MCA_H
+
+#include <linux/types.h>
+#include <asm/param.h>
+#include <asm/sal.h>
+#include <asm/processor.h>
+
+/* These are the return codes from all the IA64_MCA specific interfaces */
+typedef	int ia64_mca_return_code_t;
+
+enum {
+	IA64_MCA_SUCCESS	=	0,
+	IA64_MCA_FAILURE	=	1
+};
+
+#define IA64_MCA_RENDEZ_TIMEOUT		(100 * HZ)	/* 1000 milliseconds */
+
+/* Interrupt vectors reserved for MC handling. */
+#define IA64_MCA_RENDEZ_INT_VECTOR	0xF3	/* Rendez interrupt */
+#define IA64_MCA_WAKEUP_INT_VECTOR	0x12	/* Wakeup interrupt */
+#define IA64_MCA_CMC_INT_VECTOR		0xF2	/* Correctable machine check interrupt */
+
+#define IA64_CMC_INT_DISABLE		0
+#define IA64_CMC_INT_ENABLE		1
+
+
+typedef u32 int_vector_t;
+typedef u64 millisec_t;
+
+typedef union cmcv_reg_u {
+	u64	cmcv_regval;
+	struct	{
+		u64  	cmcr_vector		: 8;
+		u64	cmcr_ignored1		: 47;
+		u64	cmcr_mask		: 1;
+		u64	cmcr_reserved1		: 3;
+		u64	cmcr_ignored2		: 1;
+		u64	cmcr_reserved2		: 4;
+	} cmcv_reg_s;
+
+} cmcv_reg_t;
+
+#define cmcv_mask		cmcv_reg_s.cmcr_mask
+#define cmcv_vector		cmcv_reg_s.cmcr_vector
+
+
+#define IA64_MCA_UCMC_HANDLER_SIZE	0x10
+#define IA64_INIT_HANDLER_SIZE		0x10
+
+enum {
+	IA64_MCA_RENDEZ_CHECKIN_NOTDONE	= 	0x0,
+	IA64_MCA_RENDEZ_CHECKIN_DONE 	= 	0x1
+};
+
+#define IA64_MAXCPUS	64	/* Need to do something about this */
+
+/* Information maintained by the MC infrastructure */
+typedef struct ia64_mc_info_s {
+	u64		imi_mca_handler;		
+	size_t		imi_mca_handler_size;
+	u64		imi_monarch_init_handler;
+	size_t		imi_monarch_init_handler_size;
+	u64		imi_slave_init_handler;
+	size_t		imi_slave_init_handler_size;
+	u8		imi_rendez_checkin[IA64_MAXCPUS];
+
+} ia64_mc_info_t;
+
+/* Possible rendez states passed from SAL to OS during MCA
+ * handoff
+ */
+enum {
+	IA64_MCA_RENDEZ_NOT_RQD 		= 	0x0,
+	IA64_MCA_RENDEZ_DONE_WITHOUT_INIT	=	0x1,
+	IA64_MCA_RENDEZ_DONE_WITH_INIT		=	0x2,
+	IA64_MCA_RENDEZ_FAILURE			=	-1
+};
+
+typedef struct ia64_mca_sal_to_os_state_s {
+	u64		imsto_os_gp;		/* GP of the os registered with the SAL */
+	u64		imsto_pal_proc;		/* PAL_PROC entry point - physical addr */
+	u64		imsto_sal_proc;		/* SAL_PROC entry point - physical addr */
+	u64		imsto_sal_gp;		/* GP of the SAL - physical */
+	u64		imsto_rendez_state;	/* Rendez state information */
+	u64		imsto_sal_check_ra;	/* Return address in SAL_CHECK while going
+						 * back to SAL from OS after MCA handling.
+						 */
+} ia64_mca_sal_to_os_state_t;
+
+enum {
+	IA64_MCA_CORRECTED 	= 	0x0,	/* Error has been corrected by OS_MCA */
+	IA64_MCA_WARM_BOOT	=	-1,	/* Warm boot of the system need from SAL */
+	IA64_MCA_COLD_BOOT	=	-2,	/* Cold boot of the system need from SAL */
+	IA64_MCA_HALT		=	-3	/* System to be halted by SAL */
+};
+	
+typedef struct ia64_mca_os_to_sal_state_s {
+	u64		imots_os_status;	/*   OS status to SAL as to what happened
+						 *   with the MCA handling.
+						 */
+	u64		imots_sal_gp;		/* GP of the SAL - physical */
+	u64		imots_new_min_state;	/* Pointer to structure containing
+						 * new values of registers in the min state
+						 * save area.
+						 */
+	u64		imots_sal_check_ra;	/* Return address in SAL_CHECK while going
+						 * back to SAL from OS after MCA handling.
+						 */
+} ia64_mca_os_to_sal_state_t;
+
+typedef int (*prfunc_t)(const char * fmt, ...);
+
+extern void mca_init(void);
+extern void ia64_os_mca_dispatch(void);
+extern void ia64_os_mca_dispatch_end(void);
+extern void ia64_mca_ucmc_handler(void);
+extern void ia64_monarch_init_handler(void);
+extern void ia64_slave_init_handler(void);
+extern void ia64_mca_rendez_int_handler(int,void *,struct pt_regs *);
+extern void ia64_mca_wakeup_int_handler(int,void *,struct pt_regs *);
+extern void ia64_mca_cmc_int_handler(int,void *,struct pt_regs *);
+extern void ia64_log_print(int,int,prfunc_t);
+
+#define PLATFORM_CALL(fn, args)	printk("Platform call TBD\n")
+
+#undef 	MCA_TEST
+
+#if defined(MCA_TEST)
+# define MCA_DEBUG	printk
+#else
+# define MCA_DEBUG
+#endif
+
+#endif /* _ASM_IA64_MCA_H */