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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
| commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
| tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /arch/ia64/include/asm/iommu.h | |
| parent | Initial commit. (diff) | |
| download | linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip | |
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/ia64/include/asm/iommu.h')
| -rw-r--r-- | arch/ia64/include/asm/iommu.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/arch/ia64/include/asm/iommu.h b/arch/ia64/include/asm/iommu.h new file mode 100644 index 000000000..eb0db20c9 --- /dev/null +++ b/arch/ia64/include/asm/iommu.h @@ -0,0 +1,22 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _ASM_IA64_IOMMU_H +#define _ASM_IA64_IOMMU_H 1 + +#include <linux/acpi.h> + +/* 10 seconds */ +#define DMAR_OPERATION_TIMEOUT (((cycles_t) local_cpu_data->itc_freq)*10) + +extern void no_iommu_init(void); +#ifdef CONFIG_INTEL_IOMMU +extern int force_iommu, no_iommu; +extern int iommu_detected; + +static inline int __init +arch_rmrr_sanity_check(struct acpi_dmar_reserved_memory *rmrr) { return 0; } +#else +#define no_iommu (1) +#define iommu_detected (0) +#endif + +#endif |