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a26be149fa
This time with: * Generic page-table framework for ARM IOMMUs using the LPAE page-table format, ARM-SMMU and Renesas IPMMU make use of it already. * Break out of the IO virtual address allocator from the Intel IOMMU so that it can be used by other DMA-API implementations too. The first user will be the ARM64 common DMA-API implementation for IOMMUs * Device tree support for Renesas IPMMU * Various fixes and cleanups all over the place -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.22 (GNU/Linux) iQIcBAABAgAGBQJU3MJOAAoJECvwRC2XARrjopUP+wachFx8vb00M4hlnlwL6FCn DyIFkA1n4wL0muPhjcBI+LViEXrSxjr2TYoJEaBg+fiByWWQ1Hefg+KPz331Lo1D +uo7WiOa1AB3pfkQiUN9IN6xx+o6ivhb3UQPiL4FHjggB/qz+KVxMM9nx0j8o0fQ D9q6HLFiOIsFkra3xZaSuDGvYUBpcwyfn8FP1HVfvLlg1uxIGDcUJX3qU5UBpj9q al/lPZ4A7rp+JLApV6WyouPiyVOZKikb5x920KeRNBem7a9fNBdgf+x7QbKpNXa1 5MaT5MarwGe8lJE4wtjOqRtsllhia+A1rg/6JbROPrlGetRFiuIh2sCKLvwOCko/ IjBHSutpaRT1lFoAG0TAnXQlvHRG/58XxOlP3eF613X/p8/cezuUaTyTIwZam9X3 j2GWwbUcBiHTxlu7bQDPz6a7cTf4w6wEALzYl18QrAFv+2LqlCfOo/LSlpStmjrF kRN8DYaohlTULvmFneSr8rfGsnp5yPgIPvdmqiSwTz/Ih7kYPgfLy6+v6IAHUqZj 0n9oGs8eMqVvSzM2qqmyA9WGuQZRyhNjj4iDwn/he5YMw2kqxUQYGMpLnSu0Oi48 n4PqodtVol64jKLwaHZwyU8u71iyjUC5K9TDot/I2wlSRcTELJhxGh6c1sfDLyrO u/htIszgKCgFvVrQoEZB =dwrA -----END PGP SIGNATURE----- Merge tag 'iommu-updates-v3.20' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu Pull IOMMU updates from Joerg Roedel: "This time with: - Generic page-table framework for ARM IOMMUs using the LPAE page-table format, ARM-SMMU and Renesas IPMMU make use of it already. - Break out the IO virtual address allocator from the Intel IOMMU so that it can be used by other DMA-API implementations too. The first user will be the ARM64 common DMA-API implementation for IOMMUs - Device tree support for Renesas IPMMU - Various fixes and cleanups all over the place" * tag 'iommu-updates-v3.20' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: (36 commits) iommu/amd: Convert non-returned local variable to boolean when relevant iommu: Update my email address iommu/amd: Use wait_event in put_pasid_state_wait iommu/amd: Fix amd_iommu_free_device() iommu/arm-smmu: Avoid build warning iommu/fsl: Various cleanups iommu/fsl: Use %pa to print phys_addr_t iommu/omap: Print phys_addr_t using %pa iommu: Make more drivers depend on COMPILE_TEST iommu/ipmmu-vmsa: Fix IOMMU lookup when multiple IOMMUs are registered iommu: Disable on !MMU builds iommu/fsl: Remove unused fsl_of_pamu_ids[] iommu/fsl: Fix section mismatch iommu/ipmmu-vmsa: Use the ARM LPAE page table allocator iommu: Fix trace_map() to report original iova and original size iommu/arm-smmu: add support for iova_to_phys through ATS1PR iopoll: Introduce memory-mapped IO polling macros iommu/arm-smmu: don't touch the secure STLBIALL register iommu/arm-smmu: make use of generic LPAE allocator iommu: io-pgtable-arm: add non-secure quirk ...
93 lines
2.6 KiB
C
93 lines
2.6 KiB
C
/*
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* Copyright (C) 2012 Advanced Micro Devices, Inc.
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* Author: Joerg Roedel <jroedel@suse.de>
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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 stuff that is shared between different interrupt
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* remapping drivers but with no need to be visible outside of the IOMMU layer.
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*/
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#ifndef __IRQ_REMAPPING_H
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#define __IRQ_REMAPPING_H
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#ifdef CONFIG_IRQ_REMAP
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struct IO_APIC_route_entry;
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struct io_apic_irq_attr;
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struct irq_data;
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struct cpumask;
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struct pci_dev;
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struct msi_msg;
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extern int irq_remap_broken;
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extern int disable_sourceid_checking;
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extern int no_x2apic_optout;
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extern int irq_remapping_enabled;
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struct irq_remap_ops {
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/* Initializes hardware and makes it ready for remapping interrupts */
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int (*prepare)(void);
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/* Enables the remapping hardware */
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int (*enable)(void);
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/* Disables the remapping hardware */
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void (*disable)(void);
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/* Reenables the remapping hardware */
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int (*reenable)(int);
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/* Enable fault handling */
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int (*enable_faulting)(void);
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/* IO-APIC setup routine */
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int (*setup_ioapic_entry)(int irq, struct IO_APIC_route_entry *,
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unsigned int, int,
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struct io_apic_irq_attr *);
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/* Set the CPU affinity of a remapped interrupt */
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int (*set_affinity)(struct irq_data *data, const struct cpumask *mask,
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bool force);
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/* Free an IRQ */
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int (*free_irq)(int);
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/* Create MSI msg to use for interrupt remapping */
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void (*compose_msi_msg)(struct pci_dev *,
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unsigned int, unsigned int,
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struct msi_msg *, u8);
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/* Allocate remapping resources for MSI */
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int (*msi_alloc_irq)(struct pci_dev *, int, int);
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/* Setup the remapped MSI irq */
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int (*msi_setup_irq)(struct pci_dev *, unsigned int, int, int);
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/* Setup interrupt remapping for an HPET MSI */
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int (*alloc_hpet_msi)(unsigned int, unsigned int);
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};
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extern struct irq_remap_ops intel_irq_remap_ops;
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extern struct irq_remap_ops amd_iommu_irq_ops;
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#else /* CONFIG_IRQ_REMAP */
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#define irq_remapping_enabled 0
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#define irq_remap_broken 0
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#endif /* CONFIG_IRQ_REMAP */
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#endif /* __IRQ_REMAPPING_H */
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