mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-12-18 00:24:58 +08:00
83821d3f55
MSI callouts for altix. Involves a fair amount of code reorg in sn irq.c code as well as adding some extensions to the altix PCI provider abstaction. Signed-off-by: Mark Maule <maule@sgi.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
68 lines
2.2 KiB
C
68 lines
2.2 KiB
C
/*
|
|
* This file is subject to the terms and conditions of the GNU General Public
|
|
* License. See the file "COPYING" in the main directory of this archive
|
|
* for more details.
|
|
*
|
|
* Copyright (C) 1992 - 1997, 2000-2006 Silicon Graphics, Inc. All rights reserved.
|
|
*/
|
|
|
|
#ifndef _ASM_IA64_SN_INTR_H
|
|
#define _ASM_IA64_SN_INTR_H
|
|
|
|
#include <linux/rcupdate.h>
|
|
#include <asm/sn/types.h>
|
|
|
|
#define SGI_UART_VECTOR 0xe9
|
|
|
|
/* Reserved IRQs : Note, not to exceed IA64_SN2_FIRST_DEVICE_VECTOR */
|
|
#define SGI_XPC_ACTIVATE 0x30
|
|
#define SGI_II_ERROR 0x31
|
|
#define SGI_XBOW_ERROR 0x32
|
|
#define SGI_PCIASIC_ERROR 0x33
|
|
#define SGI_ACPI_SCI_INT 0x34
|
|
#define SGI_TIOCA_ERROR 0x35
|
|
#define SGI_TIO_ERROR 0x36
|
|
#define SGI_TIOCX_ERROR 0x37
|
|
#define SGI_MMTIMER_VECTOR 0x38
|
|
#define SGI_XPC_NOTIFY 0xe7
|
|
|
|
#define IA64_SN2_FIRST_DEVICE_VECTOR 0x3c
|
|
#define IA64_SN2_LAST_DEVICE_VECTOR 0xe6
|
|
|
|
#define SN2_IRQ_RESERVED 0x1
|
|
#define SN2_IRQ_CONNECTED 0x2
|
|
#define SN2_IRQ_SHARED 0x4
|
|
|
|
// The SN PROM irq struct
|
|
struct sn_irq_info {
|
|
struct sn_irq_info *irq_next; /* deprecated DO NOT USE */
|
|
short irq_nasid; /* Nasid IRQ is assigned to */
|
|
int irq_slice; /* slice IRQ is assigned to */
|
|
int irq_cpuid; /* kernel logical cpuid */
|
|
int irq_irq; /* the IRQ number */
|
|
int irq_int_bit; /* Bridge interrupt pin */
|
|
/* <0 means MSI */
|
|
u64 irq_xtalkaddr; /* xtalkaddr IRQ is sent to */
|
|
int irq_bridge_type;/* pciio asic type (pciio.h) */
|
|
void *irq_bridge; /* bridge generating irq */
|
|
void *irq_pciioinfo; /* associated pciio_info_t */
|
|
int irq_last_intr; /* For Shub lb lost intr WAR */
|
|
int irq_cookie; /* unique cookie */
|
|
int irq_flags; /* flags */
|
|
int irq_share_cnt; /* num devices sharing IRQ */
|
|
struct list_head list; /* list of sn_irq_info structs */
|
|
struct rcu_head rcu; /* rcu callback list */
|
|
};
|
|
|
|
extern void sn_send_IPI_phys(int, long, int, int);
|
|
extern u64 sn_intr_alloc(nasid_t, int,
|
|
struct sn_irq_info *,
|
|
int, nasid_t, int);
|
|
extern void sn_intr_free(nasid_t, int, struct sn_irq_info *);
|
|
extern struct sn_irq_info *sn_retarget_vector(struct sn_irq_info *, nasid_t, int);
|
|
extern struct list_head **sn_irq_lh;
|
|
|
|
#define CPU_VECTOR_TO_IRQ(cpuid,vector) (vector)
|
|
|
|
#endif /* _ASM_IA64_SN_INTR_H */
|