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4eeb96f6ef
Add a fsl_pamu_configure_l1_stash API that qman_portal can call directly instead of indirecting through the iommu attr API. Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: Will Deacon <will@kernel.org> Acked-by: Li Yang <leoyang.li@nxp.com> Link: https://lore.kernel.org/r/20210401155256.298656-8-hch@lst.de Signed-off-by: Joerg Roedel <jroedel@suse.de>
39 lines
947 B
C
39 lines
947 B
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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*
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* Copyright (C) 2013 Freescale Semiconductor, Inc.
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*/
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#ifndef __FSL_PAMU_DOMAIN_H
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#define __FSL_PAMU_DOMAIN_H
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#include "fsl_pamu.h"
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struct fsl_dma_domain {
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/* list of devices associated with the domain */
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struct list_head devices;
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/* dma_domain states:
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* enabled - DMA has been enabled for the given
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* domain. This translates to setting of the
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* valid bit for the primary PAACE in the PAMU
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* PAACT table. Domain geometry should be set and
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* it must have a valid mapping before DMA can be
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* enabled for it.
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*
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*/
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int enabled;
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u32 stash_id;
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u32 snoop_id;
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struct iommu_domain iommu_domain;
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spinlock_t domain_lock;
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};
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/* domain-device relationship */
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struct device_domain_info {
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struct list_head link; /* link to domain siblings */
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struct device *dev;
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u32 liodn;
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struct fsl_dma_domain *domain; /* pointer to domain */
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};
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#endif /* __FSL_PAMU_DOMAIN_H */
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