ia64/xen-unstable

view xen/arch/x86/hvm/vmx/vtd/extern.h @ 16830:cc5bb500df5f

vtd: Enable queued invalidation method if such HW support is
detected. Otherwise, register invalidation method is used.

Signed-off-by: Allen Kay <allen.m.kay@intel.com>
author Keir Fraser <keir.fraser@citrix.com>
date Tue Jan 22 09:48:51 2008 +0000 (2008-01-22)
parents
children 74a9bfccddba
line source
1 /*
2 * Copyright (c) 2006, Intel Corporation.
3 *
4 * This program is free software; you can redistribute it and/or modify it
5 * under the terms and conditions of the GNU General Public License,
6 * version 2, as published by the Free Software Foundation.
7 *
8 * This program is distributed in the hope it will be useful, but WITHOUT
9 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
10 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
11 * more details.
12 *
13 * You should have received a copy of the GNU General Public License along with
14 * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
15 * Place - Suite 330, Boston, MA 02111-1307 USA.
16 *
17 * Copyright (C) Allen Kay <allen.m.kay@intel.com>
18 * Copyright (C) Weidong Han <weidong.han@intel.com>
19 */
21 #ifndef _VTD_EXTERN_H_
22 #define _VTD_EXTERN_H_
24 #include "dmar.h"
26 extern int iommu_setup_done;
27 extern int vtd2_thurley_enabled;
28 extern int vtd2_qinval_enabled;
30 extern spinlock_t ioapic_lock;
31 extern struct qi_ctrl *qi_ctrl;
32 extern struct ir_ctrl *ir_ctrl;
34 void print_iommu_regs(struct acpi_drhd_unit *drhd);
35 void print_vtd_entries(struct domain *d, struct iommu *iommu,
36 int bus, int devfn, unsigned long gmfn);
38 int qinval_setup(struct iommu *iommu);
39 int queue_invalidate_context(struct iommu *iommu,
40 u16 did, u16 source_id, u8 function_mask, u8 granu);
41 int queue_invalidate_iotlb(struct iommu *iommu,
42 u8 granu, u8 dr, u8 dw, u16 did, u8 am, u8 ih, u64 addr);
43 int queue_invalidate_iec(struct iommu *iommu,
44 u8 granu, u8 im, u16 iidx);
45 int invalidate_sync(struct iommu *iommu);
46 int iommu_flush_iec_global(struct iommu *iommu);
47 int iommu_flush_iec_index(struct iommu *iommu, u8 im, u16 iidx);
48 void gsi_remapping(unsigned int gsi);
49 void print_iommu_regs(struct acpi_drhd_unit *drhd);
50 int vtd_hw_check(void);
51 struct iommu * ioapic_to_iommu(unsigned int apic_id);
52 struct acpi_drhd_unit * ioapic_to_drhd(unsigned int apic_id);
53 void clear_fault_bits(struct iommu *iommu);
55 #endif // _VTD_EXTERN_H_