From: Ingo Molnar <mingo@elte.hu>
To: Mark McLoughlin <markmc@redhat.com>
Cc: David Woodhouse <dwmw2@infradead.org>,
linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org,
x86@kernel.org
Subject: Re: [PATCH 4/8] intel-iommu: move DMA PTE defs out of dma_remapping.h
Date: Thu, 20 Nov 2008 20:10:53 +0100 [thread overview]
Message-ID: <20081120191053.GA3955@elte.hu> (raw)
In-Reply-To: <1227196190-488-4-git-send-email-markmc@redhat.com>
* Mark McLoughlin <markmc@redhat.com> wrote:
> +struct dma_pte {
> + u64 val;
> +};
> +#define dma_clear_pte(p) do {(p).val = 0;} while (0)
> +
> +#define dma_set_pte_readable(p) do {(p).val |= DMA_PTE_READ;} while (0)
> +#define dma_set_pte_writable(p) do {(p).val |= DMA_PTE_WRITE;} while (0)
> +#define dma_set_pte_prot(p, prot) \
> + do {(p).val = ((p).val & ~3) | ((prot) & 3); } while (0)
> +#define dma_pte_addr(p) ((p).val & VTD_PAGE_MASK)
> +#define dma_set_pte_addr(p, addr) do {\
> + (p).val |= ((addr) & VTD_PAGE_MASK); } while (0)
> +#define dma_pte_present(p) (((p).val & 3) != 0)
If you touch this, please also clean this up to use proper inlines,
not CPP macros.
Thanks,
Ingo
next prev parent reply other threads:[~2008-11-20 19:11 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-11-20 14:21 [PATCH] intel-iommu: make init_dmars() static Mark McLoughlin
2008-11-20 14:24 ` Mark McLoughlin
2008-11-20 14:37 ` David Woodhouse
2008-11-20 15:49 ` [PATCH 1/8] intel-iommu: move DMA_32/64BIT_PFN into intel-iommu.c Mark McLoughlin
2008-11-20 15:49 ` [PATCH 2/8] intel-iommu: move root entry defs from dma_remapping.h Mark McLoughlin
2008-11-20 15:49 ` [PATCH 3/8] intel-iommu: move context entry defs out " Mark McLoughlin
2008-11-20 15:49 ` [PATCH 4/8] intel-iommu: move DMA PTE defs out of dma_remapping.h Mark McLoughlin
2008-11-20 15:49 ` [PATCH 5/8] intel-iommu: move struct dmar_domain def out dma_remapping.h Mark McLoughlin
2008-11-20 15:49 ` [PATCH 6/8] intel-iommu: move struct device_domain_info out of dma_remapping.h Mark McLoughlin
2008-11-20 15:49 ` [PATCH 7/8] intel-iommu: kill off duplicate def of dmar_disabled Mark McLoughlin
2008-11-20 15:49 ` [PATCH 8/8] intel-iommu: move iommu_prepare_gfx_mapping() out of dma_remapping.h Mark McLoughlin
2008-11-20 19:10 ` Ingo Molnar [this message]
2008-11-20 19:11 ` [PATCH 3/8] intel-iommu: move context entry defs out from dma_remapping.h Ingo Molnar
2008-11-21 16:50 ` Mark McLoughlin
2008-11-21 16:54 ` [PATCH 1/2] intel-iommu: trivially inline context entry macros Mark McLoughlin
2008-11-21 16:56 ` [PATCH 2/2] intel-iommu: trivially inline DMA PTE macros Mark McLoughlin
2008-11-20 16:05 ` [PATCH 1/8] intel-iommu: move DMA_32/64BIT_PFN into intel-iommu.c David Woodhouse
2008-11-20 14:25 ` [PATCH] intel-iommu: make init_dmars() static David Woodhouse
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