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From: Leon Romanovsky <leon@kernel.org>
To: Alex Williamson <alex.williamson@redhat.com>
Cc: "Leon Romanovsky" <leonro@nvidia.com>,
	"Jason Gunthorpe" <jgg@nvidia.com>,
	"Andrew Morton" <akpm@linux-foundation.org>,
	"Bjorn Helgaas" <bhelgaas@google.com>,
	"Christian König" <christian.koenig@amd.com>,
	"Christoph Hellwig" <hch@lst.de>,
	dri-devel@lists.freedesktop.org, iommu@lists.linux.dev,
	"Jens Axboe" <axboe@kernel.dk>, "Joerg Roedel" <joro@8bytes.org>,
	kvm@vger.kernel.org, linaro-mm-sig@lists.linaro.org,
	linux-block@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-media@vger.kernel.org, linux-mm@kvack.org,
	linux-pci@vger.kernel.org,
	"Logan Gunthorpe" <logang@deltatee.com>,
	"Marek Szyprowski" <m.szyprowski@samsung.com>,
	"Robin Murphy" <robin.murphy@arm.com>,
	"Sumit Semwal" <sumit.semwal@linaro.org>,
	"Vivek Kasireddy" <vivek.kasireddy@intel.com>,
	"Will Deacon" <will@kernel.org>
Subject: [PATCH v1 06/10] types: move phys_vec definition to common header
Date: Mon,  4 Aug 2025 16:00:41 +0300	[thread overview]
Message-ID: <b78237112cbc8cd4c52cc5f606f325da768ae8fa.1754311439.git.leon@kernel.org> (raw)
In-Reply-To: <cover.1754311439.git.leon@kernel.org>

From: Leon Romanovsky <leonro@nvidia.com>

Move the struct phys_vec definition from block/blk-mq-dma.c to
include/linux/types.h to make it available for use across the kernel.

The phys_vec structure represents a physical address range with a
length, which is used by the new physical address-based DMA mapping
API. This structure is already used by the block layer and will be
needed by upcoming VFIO patches for dma-buf operations.

Moving this definition to types.h provides a centralized location
for this common data structure and eliminates code duplication
across subsystems that need to work with physical address ranges.

Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
---
 block/blk-mq-dma.c    | 5 -----
 include/linux/types.h | 5 +++++
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/block/blk-mq-dma.c b/block/blk-mq-dma.c
index 430e51ec494a6..8d2646ab27953 100644
--- a/block/blk-mq-dma.c
+++ b/block/blk-mq-dma.c
@@ -5,11 +5,6 @@
 #include <linux/blk-mq-dma.h>
 #include "blk.h"
 
-struct phys_vec {
-	phys_addr_t	paddr;
-	u32		len;
-};
-
 static bool blk_map_iter_next(struct request *req, struct req_iterator *iter,
 			      struct phys_vec *vec)
 {
diff --git a/include/linux/types.h b/include/linux/types.h
index 6dfdb8e8e4c35..2bc56681b2e62 100644
--- a/include/linux/types.h
+++ b/include/linux/types.h
@@ -170,6 +170,11 @@ typedef u64 phys_addr_t;
 typedef u32 phys_addr_t;
 #endif
 
+struct phys_vec {
+	phys_addr_t	paddr;
+	u32		len;
+};
+
 typedef phys_addr_t resource_size_t;
 
 /*
-- 
2.50.1


  parent reply	other threads:[~2025-08-04 13:01 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-08-04 13:00 [PATCH v1 00/10] vfio/pci: Allow MMIO regions to be exported through dma-buf Leon Romanovsky
2025-08-04 13:00 ` [PATCH v1 01/10] PCI/P2PDMA: Remove redundant bus_offset from map state Leon Romanovsky
2025-08-06 20:58   ` Alex Williamson
2025-09-02 11:06     ` Leon Romanovsky
2025-08-04 13:00 ` [PATCH v1 02/10] PCI/P2PDMA: Separate the mmap() support from the core logic Leon Romanovsky
2025-08-04 13:00 ` [PATCH v1 03/10] PCI/P2PDMA: Simplify bus address mapping API Leon Romanovsky
2025-08-04 13:00 ` [PATCH v1 04/10] PCI/P2PDMA: Refactor to separate core P2P functionality from memory allocation Leon Romanovsky
2025-08-06 21:42   ` Alex Williamson
2025-08-07  0:02     ` Jason Gunthorpe
2025-08-04 13:00 ` [PATCH v1 05/10] PCI/P2PDMA: Export pci_p2pdma_map_type() function Leon Romanovsky
2025-08-04 13:00 ` Leon Romanovsky [this message]
2025-08-04 13:00 ` [PATCH v1 07/10] vfio: Export vfio device get and put registration helpers Leon Romanovsky
2025-08-04 13:00 ` [PATCH v1 08/10] vfio/pci: Enable peer-to-peer DMA transactions by default Leon Romanovsky
2025-08-06 22:02   ` Alex Williamson
2025-09-02 12:58     ` Leon Romanovsky
2025-08-04 13:00 ` [PATCH v1 09/10] vfio/pci: Share the core device pointer while invoking feature functions Leon Romanovsky
2025-08-04 13:00 ` [PATCH v1 10/10] vfio/pci: Add dma-buf export support for MMIO regions Leon Romanovsky
2025-08-04 15:26   ` Leon Romanovsky
2025-08-06 22:24   ` Alex Williamson
2025-09-12 18:55   ` Alex Mastro
2025-09-13 10:19     ` Leon Romanovsky
2025-08-04 14:10 ` [PATCH v1 00/10] vfio/pci: Allow MMIO regions to be exported through dma-buf Benjamin LaHaise
2025-08-04 14:18   ` Leon Romanovsky

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