736baef447
This patch introduces irq_remap_ops to hold implementation specific function pointer to handle interrupt remapping. As the first part the initialization functions for VT-d are converted to these ops. Signed-off-by: Joerg Roedel <joerg.roedel@amd.com> Acked-by: Yinghai Lu <yinghai@kernel.org> Cc: David Woodhouse <dwmw2@infradead.org> Cc: Alex Williamson <alex.williamson@redhat.com> Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com> Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
45 lines
1.5 KiB
C
45 lines
1.5 KiB
C
/*
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* Copyright (C) 2012 Advanced Micro Devices, Inc.
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* Author: Joerg Roedel <joerg.roedel@amd.com>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 as published
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* by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* This header file contains the interface of the interrupt remapping code to
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* the x86 interrupt management code.
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*/
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#ifndef __X86_INTR_REMAPPING_H
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#define __X86_INTR_REMAPPING_H
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#ifdef CONFIG_IRQ_REMAP
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extern int intr_remapping_enabled;
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extern void setup_intr_remapping(void);
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extern int intr_remapping_supported(void);
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extern int intr_hardware_init(void);
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extern int intr_hardware_enable(void);
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#else /* CONFIG_IRQ_REMAP */
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#define intr_remapping_enabled 0
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static inline void setup_intr_remapping(void) { }
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static inline int intr_remapping_supported(void) { return 0; }
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static inline int intr_hardware_init(void) { return -ENODEV; }
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static inline int intr_hardware_enable(void) { return -ENODEV; }
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#endif /* CONFIG_IRQ_REMAP */
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#endif /* __X86_INTR_REMAPPING_H */
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