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From: Joerg Roedel <joro@8bytes.org>
To: iommu@lists.linux-foundation.org
Cc: linux-kernel@vger.kernel.org,
	Suravee Suthikulpanit <Suravee.Suthikulpanit@amd.com>,
	Vincent.Wan@amd.com, Joerg Roedel <jroedel@suse.de>
Subject: [PATCH 06/20] iommu/amd: Pass gfp-flags to iommu_map_page()
Date: Fri,  8 Jul 2016 13:44:57 +0200	[thread overview]
Message-ID: <1467978311-28322-7-git-send-email-joro@8bytes.org> (raw)
In-Reply-To: <1467978311-28322-1-git-send-email-joro@8bytes.org>

From: Joerg Roedel <jroedel@suse.de>

Make this function ready to be used in the DMA-API path.
Reorder parameters a bit while at it.

Signed-off-by: Joerg Roedel <jroedel@suse.de>
---
 drivers/iommu/amd_iommu.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c
index 5ea5679..e7c042b 100644
--- a/drivers/iommu/amd_iommu.c
+++ b/drivers/iommu/amd_iommu.c
@@ -1415,8 +1415,9 @@ static u64 *fetch_pte(struct protection_domain *domain,
 static int iommu_map_page(struct protection_domain *dom,
 			  unsigned long bus_addr,
 			  unsigned long phys_addr,
+			  unsigned long page_size,
 			  int prot,
-			  unsigned long page_size)
+			  gfp_t gfp)
 {
 	u64 __pte, *pte;
 	int i, count;
@@ -1428,7 +1429,7 @@ static int iommu_map_page(struct protection_domain *dom,
 		return -EINVAL;
 
 	count = PAGE_SIZE_PTE_COUNT(page_size);
-	pte   = alloc_pte(dom, bus_addr, page_size, NULL, GFP_KERNEL);
+	pte   = alloc_pte(dom, bus_addr, page_size, NULL, gfp);
 
 	if (!pte)
 		return -ENOMEM;
@@ -3277,7 +3278,7 @@ static int amd_iommu_map(struct iommu_domain *dom, unsigned long iova,
 		prot |= IOMMU_PROT_IW;
 
 	mutex_lock(&domain->api_lock);
-	ret = iommu_map_page(domain, iova, paddr, prot, page_size);
+	ret = iommu_map_page(domain, iova, paddr, page_size, prot, GFP_KERNEL);
 	mutex_unlock(&domain->api_lock);
 
 	return ret;
-- 
1.9.1

  parent reply	other threads:[~2016-07-08 11:44 UTC|newest]

Thread overview: 33+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-07-08 11:44 [PATCH 00/20] iommu/amd: Use generic IOVA allocator Joerg Roedel
     [not found] ` <1467978311-28322-1-git-send-email-joro-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>
2016-07-08 11:44   ` [PATCH 01/20] iommu: Add apply_dm_region call-back to iommu-ops Joerg Roedel
2016-07-08 11:44   ` [PATCH 02/20] iommu/amd: Select IOMMU_IOVA for AMD IOMMU Joerg Roedel
2016-07-08 11:44   ` [PATCH 03/20] iommu/amd: Allocate iova_domain for dma_ops_domain Joerg Roedel
2016-07-08 11:44   ` [PATCH 04/20] iommu/amd: Create a list of reserved iova addresses Joerg Roedel
2016-07-08 11:44   ` [PATCH 05/20] iommu/amd: Implement apply_dm_region call-back Joerg Roedel
2016-07-08 11:44   ` [PATCH 07/20] iommu/amd: Remove special mapping code for dma_ops path Joerg Roedel
     [not found]     ` <1467978311-28322-8-git-send-email-joro-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>
2016-07-12 10:55       ` Robin Murphy
2016-07-12 11:08         ` Joerg Roedel
2016-07-12 11:42           ` Robin Murphy
     [not found]             ` <5784D7C3.4010104-5wv7dgnIgG8@public.gmane.org>
2016-07-12 11:48               ` Joerg Roedel
2016-07-08 11:44   ` [PATCH 08/20] iommu/amd: Make use of the generic IOVA allocator Joerg Roedel
2016-07-08 11:45   ` [PATCH 09/20] iommu/amd: Remove other remains of old address allocator Joerg Roedel
2016-07-08 11:45   ` [PATCH 10/20] iommu/amd: Remove align-parameter from __map_single() Joerg Roedel
2016-07-08 11:45   ` [PATCH 11/20] iommu/amd: Set up data structures for flush queue Joerg Roedel
2016-07-08 11:45   ` [PATCH 12/20] iommu/amd: Allow NULL pointer parameter for domain_flush_complete() Joerg Roedel
2016-07-08 11:45   ` [PATCH 13/20] iommu/amd: Implement flush queue Joerg Roedel
2016-07-08 11:45   ` [PATCH 14/20] iommu/amd: Implement timeout to flush unmap queues Joerg Roedel
2016-07-08 11:45   ` [PATCH 15/20] iommu/amd: Introduce dir2prot() helper Joerg Roedel
2016-07-08 11:45   ` [PATCH 17/20] iommu/amd: Use dev_data->domain in get_domain() Joerg Roedel
2016-07-08 11:44 ` Joerg Roedel [this message]
2016-07-08 11:45 ` [PATCH 16/20] iommu/amd: Optimize map_sg and unmap_sg Joerg Roedel
2016-07-12 11:33   ` Robin Murphy
     [not found]     ` <5784D597.4010703-5wv7dgnIgG8@public.gmane.org>
2016-07-12 13:30       ` [PATCH 16/20 v2] " Joerg Roedel
2016-07-12 15:34         ` Robin Murphy
     [not found]           ` <57850DF8.9040507-5wv7dgnIgG8@public.gmane.org>
2016-07-13 10:27             ` Joerg Roedel
2016-07-08 11:45 ` [PATCH 18/20] iommu/amd: Handle IOMMU_DOMAIN_DMA in ops->domain_free call-back Joerg Roedel
2016-07-08 11:45 ` [PATCH 19/20] iommu/amd: Flush iova queue before releasing dma_ops_domain Joerg Roedel
2016-07-08 11:45 ` [PATCH 20/20] iommu/amd: Use container_of to get dma_ops_domain Joerg Roedel
2016-07-12  9:03 ` [PATCH 00/20] iommu/amd: Use generic IOVA allocator Wan Zongshun
2016-07-12 10:55   ` Joerg Roedel
     [not found]     ` <20160712105533.GE12639-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>
2016-07-13  9:44       ` Wan Zongshun
     [not found]         ` <57860D78.5090409-6ukY98dZOFrYtjvyW6yDsg@public.gmane.org>
2016-07-13  9:51           ` Joerg Roedel

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