patch-2.4.19 linux-2.4.19/include/asm-ia64/sn/intr.h

• Lines: 261
• Date: Fri Aug 2 17:39:45 2002
• Orig file: linux-2.4.18/include/asm-ia64/sn/intr.h
• Orig date: Thu Apr 5 12:51:47 2001

diff -urN linux-2.4.18/include/asm-ia64/sn/intr.h linux-2.4.19/include/asm-ia64/sn/intr.h
@@ -4,250 +4,21 @@
  * License.  See the file "COPYING" in the main directory of this archive
  * for more details.
  *
- * Copyright (C) 1992 - 1997, 2000 Silicon Graphics, Inc.
- * Copyright (C) 2000 by Colin Ngam
+ * Copyright (C) 1992 - 1997, 2000-2002 Silicon Graphics, Inc. All rights reserved.
  */
-#ifndef _ASM_SN_INTR_H
-#define _ASM_SN_INTR_H
-
-/* Subnode wildcard */
-#define SUBNODE_ANY		-1
-
-/* Number of interrupt levels associated with each interrupt register. */
-#define N_INTPEND_BITS		64
-
-#define INT_PEND0_BASELVL	0
-#define INT_PEND1_BASELVL	64
-
-#define	N_INTPENDJUNK_BITS	8
-#define	INTPENDJUNK_CLRBIT	0x80
+#ifndef _ASM_IA64_SN_INTR_H
+#define _ASM_IA64_SN_INTR_H
 
 #include <linux/config.h>
-#include <asm/sn/intr_public.h>
-
-#if LANGUAGE_C
-
-#define II_NAMELEN	24
-
-/*
- * Dispatch table entry - contains information needed to call an interrupt
- * routine.
- */
-typedef struct intr_vector_s {
-	intr_func_t	iv_func;	/* Interrupt handler function */
-	intr_func_t	iv_prefunc;	/* Interrupt handler prologue func */
-	void		*iv_arg;	/* Argument to pass to handler */
-#ifdef LATER
-	thd_int_t		iv_tinfo;	/* Thread info */
-#endif
-	cpuid_t			iv_mustruncpu;	/* Where we must run. */
-} intr_vector_t;
-
-/* Interrupt information table. */
-typedef struct intr_info_s {
-	xtalk_intr_setfunc_t	ii_setfunc;	/* Function to set the interrupt
-						 * destination and level register.
-						 * It returns 0 (success) or an
-						 * error code.
-						 */
-	void			*ii_cookie;	/* arg passed to setfunc */
-	devfs_handle_t		ii_owner_dev;	/* device that owns this intr */
-	char			ii_name[II_NAMELEN];	/* Name of this intr. */
-	int			ii_flags;	/* informational flags */
-} intr_info_t;
-
-#define iv_tflags	iv_tinfo.thd_flags
-#define iv_isync	iv_tinfo.thd_isync
-#define iv_lat		iv_tinfo.thd_latstats
-#define iv_thread	iv_tinfo.thd_ithread
-#define iv_pri		iv_tinfo.thd_pri
-
-#define THD_CREATED	0x00000001	/*
-					 * We've created a thread for this
-					 * interrupt.
-					 */
-
-/*
- * Bits for ii_flags:
- */
-#define II_UNRESERVE	0
-#define II_RESERVE	1		/* Interrupt reserved. 			*/
-#define II_INUSE	2		/* Interrupt connected 			*/
-#define II_ERRORINT	4		/* INterrupt is an error condition 	*/
-#define II_THREADED	8		/* Interrupt handler is threaded.	*/
-
-/*
- * Interrupt level wildcard
- */
-#define INTRCONNECT_ANYBIT	-1
-
-/*
- * This structure holds information needed both to call and to maintain
- * interrupts.  The two are in separate arrays for the locality benefits.
- * Since there's only one set of vectors per hub chip (but more than one
- * CPU, the lock to change the vector tables must be here rather than in
- * the PDA.
- */
-
-typedef struct intr_vecblk_s {
-	intr_vector_t	vectors[N_INTPEND_BITS];  /* information needed to
-						     call an intr routine. */
-	intr_info_t	info[N_INTPEND_BITS];	  /* information needed only
-						     to maintain interrupts. */
-	spinlock_t	vector_lock;		  /* Lock for this and the
-						     masks in the PDA. */
-	splfunc_t	vector_spl;		  /* vector_lock req'd spl */
-	int		vector_state;		  /* Initialized to zero.
-						     Set to INTR_INITED
-						     by hubintr_init.
-						   */
-	int		vector_count;		  /* Number of vectors
-						   * reserved.
-						   */
-	int		cpu_count[CPUS_PER_SUBNODE]; /* How many interrupts are
-						   * connected to each CPU
-						   */
-	int		ithreads_enabled;	  /* Are interrupt threads
-						   * initialized on this node.
-						   * and block?
-						   */
-} intr_vecblk_t;
-
-/* Possible values for vector_state: */
-#define VECTOR_UNINITED	0
-#define VECTOR_INITED	1
-#define VECTOR_SET	2
-
-#define hub_intrvect0	private.p_intmasks.dispatch0->vectors
-#define hub_intrvect1	private.p_intmasks.dispatch1->vectors
-#define hub_intrinfo0	private.p_intmasks.dispatch0->info
-#define hub_intrinfo1	private.p_intmasks.dispatch1->info
-
-/*
- * Macros to manipulate the interrupt register on the calling hub chip.
- */
-
-#define LOCAL_HUB_SEND_INTR(_level)	LOCAL_HUB_S(PI_INT_PEND_MOD, \
-						    (0x100|(_level)))
-#define REMOTE_HUB_PI_SEND_INTR(_hub, _sn, _level) \
-		REMOTE_HUB_PI_S((_hub), _sn, PI_INT_PEND_MOD, (0x100|(_level)))
-
-#define REMOTE_CPU_SEND_INTR(_cpuid, _level) 					\
-		REMOTE_HUB_PI_S(cputonasid(_cpuid),				\
-			SUBNODE(cputoslice(_cpuid)),				\
-			PI_INT_PEND_MOD, (0x100|(_level)))
 
-/*
- * When clearing the interrupt, make sure this clear does make it 
- * to the hub. Otherwise we could end up losing interrupts.
- * We do an uncached load of the int_pend0 register to ensure this.
- */
-
-#define LOCAL_HUB_CLR_INTR(_level)	  \
-                LOCAL_HUB_S(PI_INT_PEND_MOD, (_level)),	\
-                LOCAL_HUB_L(PI_INT_PEND0)
-#define REMOTE_HUB_PI_CLR_INTR(_hub, _sn, _level) \
-		REMOTE_HUB_PI_S((_hub), (_sn), PI_INT_PEND_MOD, (_level)),	\
-                REMOTE_HUB_PI_L((_hub), (_sn), PI_INT_PEND0)
-
-/* Special support for use by gfx driver only.  Supports special gfx hub interrupt. */
-extern void install_gfxintr(cpuid_t cpu, ilvl_t swlevel, intr_func_t intr_func, void *intr_arg);
-
-void setrtvector(intr_func_t func);
-
-/*
- * Interrupt blocking
- */
-extern void intr_block_bit(cpuid_t cpu, int bit);
-extern void intr_unblock_bit(cpuid_t cpu, int bit);
-
-#endif /* LANGUAGE_C */
-
-/*
- * Hard-coded interrupt levels:
- */
-
-/*
- *	L0 = SW1
- *	L1 = SW2
- *	L2 = INT_PEND0
- *	L3 = INT_PEND1
- *	L4 = RTC
- *	L5 = Profiling Timer
- *	L6 = Hub Errors
- *	L7 = Count/Compare (T5 counters)
- */
-
-
-/* INT_PEND0 hard-coded bits. */
-#ifdef DEBUG_INTR_TSTAMP
-/* hard coded interrupt level for interrupt latency test interrupt */
-#define	CPU_INTRLAT_B	62
-#define	CPU_INTRLAT_A	61
+#if defined(CONFIG_IA64_SGI_SN1)
+#include <asm/sn/sn1/intr.h>
+#elif defined(CONFIG_IA64_SGI_SN2)
+#include <asm/sn/sn2/intr.h>
 #endif
 
-/* Hardcoded bits required by software. */
-#define MSC_MESG_INTR	9
-#define CPU_ACTION_B	8
-#define CPU_ACTION_A	7
+extern void sn_send_IPI_phys(long, int, int);
 
-/* These are determined by hardware: */
-#define CC_PEND_B	6
-#define CC_PEND_A	5
-#define UART_INTR	4
-#define PG_MIG_INTR	3
-#define GFX_INTR_B	2
-#define GFX_INTR_A	1
-#define RESERVED_INTR	0
-
-/* INT_PEND1 hard-coded bits: */
-#define MSC_PANIC_INTR	63
-#define NI_ERROR_INTR	62
-#define MD_COR_ERR_INTR	61
-#define COR_ERR_INTR_B	60
-#define COR_ERR_INTR_A	59
-#define CLK_ERR_INTR	58
-
-#if CONFIG_SGI_IP35 || CONFIG_IA64_SGI_SN1 || CONFIG_IA64_GENERIC
-# define NACK_INT_B	57
-# define NACK_INT_A	56
-# define LB_ERROR	55
-# define XB_ERROR	54
-#else
-	<< BOMB! >>  Must define IP27 or IP35 or IP37
-#endif
-
-#define BRIDGE_ERROR_INTR 53	/* Setup by PROM to catch Bridge Errors */
-
-#define IP27_INTR_0	52	/* Reserved for PROM use */
-#define IP27_INTR_1	51	/*   (do not use in Kernel) */
-#define IP27_INTR_2	50
-#define IP27_INTR_3	49
-#define IP27_INTR_4	48
-#define IP27_INTR_5	47
-#define IP27_INTR_6	46
-#define IP27_INTR_7	45
-
-#define	TLB_INTR_B	44	/* used for tlb flush random */
-#define	TLB_INTR_A	43
-
-#define LLP_PFAIL_INTR_B 42	/* see ml/SN/SN0/sysctlr.c */
-#define LLP_PFAIL_INTR_A 41
-
-#define NI_BRDCAST_ERR_B 40
-#define NI_BRDCAST_ERR_A 39
-
-#if CONFIG_SGI_IP35 || CONFIG_IA64_SGI_SN1 || CONFIG_IA64_GENERIC
-# define IO_ERROR_INTR	38	/* set up by prom */
-# define DEBUG_INTR_B	37	/* used by symmon to stop all cpus */
-# define DEBUG_INTR_A	36
-#endif
-
-#ifdef CONFIG_IA64_SGI_SN1
-// These aren't strictly accurate or complete.  See the
-// Synergy Spec. for details.
-#define SGI_UART_IRQ	(65)
-#define SGI_HUB_ERROR_IRQ	(182)
-#endif
+#define CPU_VECTOR_TO_IRQ(cpuid,vector) ((cpuid) << 8 | (vector))
 
-#endif /* _ASM_SN_INTR_H */
+#endif /* _ASM_IA64_SN_INTR_H */