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x86, UV: add uv_setup_irq() and uv_teardown_irq() functions, v3

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Provide a means for UV interrupt MMRs to be setup with the message to be sent
when an MSI is raised.

Signed-off-by: Dean Nelson <[email protected]>
Signed-off-by: Ingo Molnar <[email protected]>
This commit is contained in:
Dean Nelson 2008-10-02 12:18:21 -05:00 • committed by Ingo Molnar
commit 4173a0e737
4 changed files with 182 additions and 1 deletions
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36
include/asm-x86/uv/uv_irq.h Normal file
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/*
* 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.
*
* SGI UV IRQ definitions
*
* Copyright (C) 2008 Silicon Graphics, Inc. All rights reserved.
*/
#ifndef ASM_X86__UV__UV_IRQ_H
#define ASM_X86__UV__UV_IRQ_H
/* If a generic version of this structure gets defined, eliminate this one. */
struct uv_IO_APIC_route_entry {
__u64 vector : 8,
delivery_mode : 3,
dest_mode : 1,
delivery_status : 1,
polarity : 1,
__reserved_1 : 1,
trigger : 1,
mask : 1,
__reserved_2 : 15,
dest : 32;
};
extern struct irq_chip uv_irq_chip;
extern int arch_enable_uv_irq(char *, unsigned int, int, int, unsigned long);
extern void arch_disable_uv_irq(int, unsigned long);
extern int uv_setup_irq(char *, int, int, unsigned long);
extern void uv_teardown_irq(unsigned int, int, unsigned long);
#endif /* ASM_X86__UV__UV_IRQ_H */