All of lore.kernel.org
 help / color / mirror / Atom feed
From: Lu Baolu <baolu.lu@linux.intel.com>
To: Joerg Roedel <joro@8bytes.org>, Tom Murphy <murphyt7@tcd.ie>,
	David Woodhouse <dwmw2@infradead.org>,
	Christoph Hellwig <hch@infradead.org>
Cc: Ashok Raj <ashok.raj@intel.com>,
	Intel-gfx@lists.freedesktop.org, linux-kernel@vger.kernel.org,
	iommu@lists.linux-foundation.org,
	Lu Baolu <baolu.lu@linux.intel.com>
Subject: [Intel-gfx] [PATCH v3 2/6] iommu: Add iommu_dma_free_cpu_cached_iovas()
Date: Sat, 12 Sep 2020 11:21:56 +0800	[thread overview]
Message-ID: <20200912032200.11489-3-baolu.lu@linux.intel.com> (raw)
In-Reply-To: <20200912032200.11489-1-baolu.lu@linux.intel.com>

From: Tom Murphy <murphyt7@tcd.ie>

Add a iommu_dma_free_cpu_cached_iovas function to allow drivers which
use the dma-iommu ops to free cached cpu iovas.

Signed-off-by: Tom Murphy <murphyt7@tcd.ie>
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
---
 drivers/iommu/dma-iommu.c | 9 +++++++++
 include/linux/dma-iommu.h | 8 ++++++++
 2 files changed, 17 insertions(+)

diff --git a/drivers/iommu/dma-iommu.c b/drivers/iommu/dma-iommu.c
index 82c071b2d5c8..d06411bd5e08 100644
--- a/drivers/iommu/dma-iommu.c
+++ b/drivers/iommu/dma-iommu.c
@@ -50,6 +50,15 @@ struct iommu_dma_cookie {
 	struct iommu_domain		*fq_domain;
 };
 
+void iommu_dma_free_cpu_cached_iovas(unsigned int cpu,
+		struct iommu_domain *domain)
+{
+	struct iommu_dma_cookie *cookie = domain->iova_cookie;
+	struct iova_domain *iovad = &cookie->iovad;
+
+	free_cpu_cached_iovas(cpu, iovad);
+}
+
 static void iommu_dma_entry_dtor(unsigned long data)
 {
 	struct page *freelist = (struct page *)data;
diff --git a/include/linux/dma-iommu.h b/include/linux/dma-iommu.h
index 2112f21f73d8..706b68d1359b 100644
--- a/include/linux/dma-iommu.h
+++ b/include/linux/dma-iommu.h
@@ -37,6 +37,9 @@ void iommu_dma_compose_msi_msg(struct msi_desc *desc,
 
 void iommu_dma_get_resv_regions(struct device *dev, struct list_head *list);
 
+void iommu_dma_free_cpu_cached_iovas(unsigned int cpu,
+		struct iommu_domain *domain);
+
 #else /* CONFIG_IOMMU_DMA */
 
 struct iommu_domain;
@@ -78,5 +81,10 @@ static inline void iommu_dma_get_resv_regions(struct device *dev, struct list_he
 {
 }
 
+static inline void iommu_dma_free_cpu_cached_iovas(unsigned int cpu,
+		struct iommu_domain *domain)
+{
+}
+
 #endif	/* CONFIG_IOMMU_DMA */
 #endif	/* __DMA_IOMMU_H */
-- 
2.17.1

_______________________________________________
Intel-gfx mailing list
Intel-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/intel-gfx

WARNING: multiple messages have this Message-ID (diff)
From: Lu Baolu <baolu.lu@linux.intel.com>
To: Joerg Roedel <joro@8bytes.org>, Tom Murphy <murphyt7@tcd.ie>,
	David Woodhouse <dwmw2@infradead.org>,
	Christoph Hellwig <hch@infradead.org>
Cc: Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>,
	Ashok Raj <ashok.raj@intel.com>,
	Intel-gfx@lists.freedesktop.org, linux-kernel@vger.kernel.org,
	iommu@lists.linux-foundation.org
Subject: [PATCH v3 2/6] iommu: Add iommu_dma_free_cpu_cached_iovas()
Date: Sat, 12 Sep 2020 11:21:56 +0800	[thread overview]
Message-ID: <20200912032200.11489-3-baolu.lu@linux.intel.com> (raw)
In-Reply-To: <20200912032200.11489-1-baolu.lu@linux.intel.com>

From: Tom Murphy <murphyt7@tcd.ie>

Add a iommu_dma_free_cpu_cached_iovas function to allow drivers which
use the dma-iommu ops to free cached cpu iovas.

Signed-off-by: Tom Murphy <murphyt7@tcd.ie>
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
---
 drivers/iommu/dma-iommu.c | 9 +++++++++
 include/linux/dma-iommu.h | 8 ++++++++
 2 files changed, 17 insertions(+)

diff --git a/drivers/iommu/dma-iommu.c b/drivers/iommu/dma-iommu.c
index 82c071b2d5c8..d06411bd5e08 100644
--- a/drivers/iommu/dma-iommu.c
+++ b/drivers/iommu/dma-iommu.c
@@ -50,6 +50,15 @@ struct iommu_dma_cookie {
 	struct iommu_domain		*fq_domain;
 };
 
+void iommu_dma_free_cpu_cached_iovas(unsigned int cpu,
+		struct iommu_domain *domain)
+{
+	struct iommu_dma_cookie *cookie = domain->iova_cookie;
+	struct iova_domain *iovad = &cookie->iovad;
+
+	free_cpu_cached_iovas(cpu, iovad);
+}
+
 static void iommu_dma_entry_dtor(unsigned long data)
 {
 	struct page *freelist = (struct page *)data;
diff --git a/include/linux/dma-iommu.h b/include/linux/dma-iommu.h
index 2112f21f73d8..706b68d1359b 100644
--- a/include/linux/dma-iommu.h
+++ b/include/linux/dma-iommu.h
@@ -37,6 +37,9 @@ void iommu_dma_compose_msi_msg(struct msi_desc *desc,
 
 void iommu_dma_get_resv_regions(struct device *dev, struct list_head *list);
 
+void iommu_dma_free_cpu_cached_iovas(unsigned int cpu,
+		struct iommu_domain *domain);
+
 #else /* CONFIG_IOMMU_DMA */
 
 struct iommu_domain;
@@ -78,5 +81,10 @@ static inline void iommu_dma_get_resv_regions(struct device *dev, struct list_he
 {
 }
 
+static inline void iommu_dma_free_cpu_cached_iovas(unsigned int cpu,
+		struct iommu_domain *domain)
+{
+}
+
 #endif	/* CONFIG_IOMMU_DMA */
 #endif	/* __DMA_IOMMU_H */
-- 
2.17.1

_______________________________________________
iommu mailing list
iommu@lists.linux-foundation.org
https://lists.linuxfoundation.org/mailman/listinfo/iommu

WARNING: multiple messages have this Message-ID (diff)
From: Lu Baolu <baolu.lu@linux.intel.com>
To: Joerg Roedel <joro@8bytes.org>, Tom Murphy <murphyt7@tcd.ie>,
	David Woodhouse <dwmw2@infradead.org>,
	Christoph Hellwig <hch@infradead.org>
Cc: Ashok Raj <ashok.raj@intel.com>,
	Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>,
	Intel-gfx@lists.freedesktop.org,
	iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org,
	Lu Baolu <baolu.lu@linux.intel.com>
Subject: [PATCH v3 2/6] iommu: Add iommu_dma_free_cpu_cached_iovas()
Date: Sat, 12 Sep 2020 11:21:56 +0800	[thread overview]
Message-ID: <20200912032200.11489-3-baolu.lu@linux.intel.com> (raw)
In-Reply-To: <20200912032200.11489-1-baolu.lu@linux.intel.com>

From: Tom Murphy <murphyt7@tcd.ie>

Add a iommu_dma_free_cpu_cached_iovas function to allow drivers which
use the dma-iommu ops to free cached cpu iovas.

Signed-off-by: Tom Murphy <murphyt7@tcd.ie>
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
---
 drivers/iommu/dma-iommu.c | 9 +++++++++
 include/linux/dma-iommu.h | 8 ++++++++
 2 files changed, 17 insertions(+)

diff --git a/drivers/iommu/dma-iommu.c b/drivers/iommu/dma-iommu.c
index 82c071b2d5c8..d06411bd5e08 100644
--- a/drivers/iommu/dma-iommu.c
+++ b/drivers/iommu/dma-iommu.c
@@ -50,6 +50,15 @@ struct iommu_dma_cookie {
 	struct iommu_domain		*fq_domain;
 };
 
+void iommu_dma_free_cpu_cached_iovas(unsigned int cpu,
+		struct iommu_domain *domain)
+{
+	struct iommu_dma_cookie *cookie = domain->iova_cookie;
+	struct iova_domain *iovad = &cookie->iovad;
+
+	free_cpu_cached_iovas(cpu, iovad);
+}
+
 static void iommu_dma_entry_dtor(unsigned long data)
 {
 	struct page *freelist = (struct page *)data;
diff --git a/include/linux/dma-iommu.h b/include/linux/dma-iommu.h
index 2112f21f73d8..706b68d1359b 100644
--- a/include/linux/dma-iommu.h
+++ b/include/linux/dma-iommu.h
@@ -37,6 +37,9 @@ void iommu_dma_compose_msi_msg(struct msi_desc *desc,
 
 void iommu_dma_get_resv_regions(struct device *dev, struct list_head *list);
 
+void iommu_dma_free_cpu_cached_iovas(unsigned int cpu,
+		struct iommu_domain *domain);
+
 #else /* CONFIG_IOMMU_DMA */
 
 struct iommu_domain;
@@ -78,5 +81,10 @@ static inline void iommu_dma_get_resv_regions(struct device *dev, struct list_he
 {
 }
 
+static inline void iommu_dma_free_cpu_cached_iovas(unsigned int cpu,
+		struct iommu_domain *domain)
+{
+}
+
 #endif	/* CONFIG_IOMMU_DMA */
 #endif	/* __DMA_IOMMU_H */
-- 
2.17.1


  parent reply	other threads:[~2020-09-12  3:28 UTC|newest]

Thread overview: 60+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-12  3:21 [Intel-gfx] [PATCH v3 0/6] Convert the intel iommu driver to the dma-iommu api Lu Baolu
2020-09-12  3:21 ` Lu Baolu
2020-09-12  3:21 ` Lu Baolu
2020-09-12  3:21 ` [Intel-gfx] [PATCH v3 1/6] iommu: Handle freelists when using deferred flushing in iommu drivers Lu Baolu
2020-09-12  3:21   ` Lu Baolu
2020-09-12  3:21   ` Lu Baolu
2020-09-12  3:21 ` Lu Baolu [this message]
2020-09-12  3:21   ` [PATCH v3 2/6] iommu: Add iommu_dma_free_cpu_cached_iovas() Lu Baolu
2020-09-12  3:21   ` Lu Baolu
2020-09-12  3:21 ` [Intel-gfx] [PATCH v3 3/6] iommu: Allow the dma-iommu api to use bounce buffers Lu Baolu
2020-09-12  3:21   ` Lu Baolu
2020-09-12  3:21   ` Lu Baolu
2020-09-12  3:21 ` [Intel-gfx] [PATCH v3 4/6] iommu: Add quirk for Intel graphic devices in map_sg Lu Baolu
2020-09-12  3:21   ` Lu Baolu
2020-09-12  3:21   ` Lu Baolu
2020-09-12  3:21 ` [Intel-gfx] [PATCH v3 5/6] iommu/vt-d: Convert intel iommu driver to the iommu ops Lu Baolu
2020-09-12  3:21   ` Lu Baolu
2020-09-12  3:21   ` Lu Baolu
2020-09-12  3:22 ` [Intel-gfx] [PATCH v3 6/6] iommu/vt-d: Cleanup after converting to dma-iommu ops Lu Baolu
2020-09-12  3:22   ` Lu Baolu
2020-09-12  3:22   ` Lu Baolu
2020-09-12  3:55 ` [Intel-gfx] ✗ Fi.CI.CHECKPATCH: warning for Convert the intel iommu driver to the dma-iommu api (rev2) Patchwork
2020-09-12  3:56 ` [Intel-gfx] ✗ Fi.CI.SPARSE: " Patchwork
2020-09-12  4:19 ` [Intel-gfx] ✗ Fi.CI.BAT: failure " Patchwork
2020-09-14  8:04 ` [Intel-gfx] [PATCH v3 0/6] Convert the intel iommu driver to the dma-iommu api Tvrtko Ursulin
2020-09-14  8:04   ` Tvrtko Ursulin
2020-09-15  1:47   ` [Intel-gfx] " Lu Baolu
2020-09-15  1:47     ` Lu Baolu
2020-09-15  1:47     ` Lu Baolu
2020-09-15  8:31     ` [Intel-gfx] " Tvrtko Ursulin
2020-09-15  8:31       ` Tvrtko Ursulin
2020-09-22 11:05       ` [Intel-gfx] " Robin Murphy
2020-09-22 11:05         ` Robin Murphy
2020-09-22 11:05         ` Robin Murphy
2020-09-23  5:38         ` [Intel-gfx] " Lu Baolu
2020-09-23  5:38           ` Lu Baolu
2020-09-23  5:38           ` Lu Baolu
2020-09-24  2:35       ` [Intel-gfx] " Lu Baolu
2020-09-24  2:35         ` Lu Baolu
2020-09-18 20:47 ` [Intel-gfx] " Logan Gunthorpe
2020-09-18 20:47   ` Logan Gunthorpe
2020-09-18 20:47   ` Logan Gunthorpe
2020-09-20  6:36   ` Lu Baolu
2020-09-20  6:36     ` Lu Baolu
2020-09-20  6:36     ` Lu Baolu
2020-09-21 15:48     ` Logan Gunthorpe
2020-09-21 15:48       ` Logan Gunthorpe
2020-09-21 15:48       ` Logan Gunthorpe
2020-09-22  0:24       ` Lu Baolu
2020-09-22  0:24         ` Lu Baolu
2020-09-22  0:24         ` Lu Baolu
2020-09-22 15:38         ` Logan Gunthorpe
2020-09-22 15:38           ` Logan Gunthorpe
2020-09-22 15:38           ` Logan Gunthorpe
2020-09-22  9:51   ` Robin Murphy
2020-09-22  9:51     ` Robin Murphy
2020-09-22  9:51     ` Robin Murphy
2020-09-22 18:45     ` Logan Gunthorpe
2020-09-22 18:45       ` Logan Gunthorpe
2020-09-22 18:45       ` Logan Gunthorpe

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20200912032200.11489-3-baolu.lu@linux.intel.com \
    --to=baolu.lu@linux.intel.com \
    --cc=Intel-gfx@lists.freedesktop.org \
    --cc=ashok.raj@intel.com \
    --cc=dwmw2@infradead.org \
    --cc=hch@infradead.org \
    --cc=iommu@lists.linux-foundation.org \
    --cc=joro@8bytes.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=murphyt7@tcd.ie \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.