search for: swiotlb_max_mapping_size

Displaying 8 results from an estimated 8 matches for "swiotlb_max_mapping_size".

2019 Feb 05
0
[vhost:linux-next 2/23] include/linux/swiotlb.h:99:22: error: static declaration of 'swiotlb_max_mapping_size' follows non-static declaration
tree: https://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost.git linux-next head: 104f89a60ef5ec77d6f559eac4676844b3480740 commit: 951a381d4c0d45a9b44de30228c6ef17083854ea [2/23] swiotlb: Introduce swiotlb_max_mapping_size() config: i386-tinyconfig (attached as .config) compiler: gcc-8 (Debian 8.2.0-14) 8.2.0 reproduce: git checkout 951a381d4c0d45a9b44de30228c6ef17083854ea # save the attached .config to linux build tree make ARCH=i386 All errors (new ones prefixed by >>): vim +/swiot...
2019 Feb 05
0
[vhost:linux-next 3/23] include/linux/swiotlb.h:105:20: error: static declaration of 'is_swiotlb_active' follows non-static declaration
...ux/inet.h:46, from include/linux/sunrpc/msg_prot.h:204, from include/linux/sunrpc/auth.h:16, from include/linux/nfs_fs.h:31, from init/do_mounts.c:22: include/linux/swiotlb.h:100:22: error: static declaration of 'swiotlb_max_mapping_size' follows non-static declaration static inline size_t swiotlb_max_mapping_size(struct device *dev) ^~~~~~~~~~~~~~~~~~~~~~~~ include/linux/swiotlb.h:65:8: note: previous declaration of 'swiotlb_max_mapping_size' was here size_t swiotlb_max_mapping_size(...
2019 Feb 07
5
[PATCH v7 0/5] Fix virtio-blk issue with SWIOTLB
...ns larger than 256kb. When the virtio-blk driver tries to read/write a block larger than that, the allocation of the dma-handle fails and an IO error is reported. Changes to v6 are: - Fix build errors with CONFIG_SWIOTLB=n Please review. Thanks, Joerg Joerg Roedel (5): swiotlb: Introduce swiotlb_max_mapping_size() swiotlb: Add is_swiotlb_active() function dma: Introduce dma_max_mapping_size() virtio: Introduce virtio_max_dma_size() virtio-blk: Consider virtio_max_dma_size() for maximum segment size Documentation/DMA-API.txt | 8 ++++++++ drivers/block/virtio_blk.c | 10 ++++++---- drivers/v...
2019 Feb 07
0
[PATCH v7 2/5] swiotlb: Add is_swiotlb_active() function
...clude/linux/swiotlb.h index d3980aeed4a0..29bc3a203283 100644 --- a/include/linux/swiotlb.h +++ b/include/linux/swiotlb.h @@ -77,6 +77,7 @@ bool swiotlb_map(struct device *dev, phys_addr_t *phys, dma_addr_t *dma_addr, void __init swiotlb_exit(void); unsigned int swiotlb_max_segment(void); size_t swiotlb_max_mapping_size(struct device *dev); +bool is_swiotlb_active(void); #else #define swiotlb_force SWIOTLB_NO_FORCE static inline bool is_swiotlb_buffer(phys_addr_t paddr) @@ -100,6 +101,11 @@ static inline size_t swiotlb_max_mapping_size(struct device *dev) { return SIZE_MAX; } + +static inline bool is_swiotl...
2019 Mar 10
0
[PULL] virtio,vhost: cleanups and fixes
...rnelia Huck (3): virtio-ccw: diag 500 may return a negative cookie virtio-ccw: wire up ->bus_name callback virtio: hint if callbacks surprisingly might sleep Halil Pasic (1): s390/virtio: handle find on invalid queue gracefully Joerg Roedel (5): swiotlb: Introduce swiotlb_max_mapping_size() swiotlb: Add is_swiotlb_active() function dma: Introduce dma_max_mapping_size() virtio: Introduce virtio_max_dma_size() virtio-blk: Consider virtio_max_dma_size() for maximum segment size Wei Wang (2): virtio-balloon: improve update_balloon_size_func virtio_ba...
2019 Feb 05
2
[PATCH 0/5 v6] Fix virtio-blk issue with SWIOTLB
...roblems reported by kbuild :( BTW when you repost, can I ask you to pls include the version in all patches? Both --subject-prefix and -v flags to git format-patch will do this for you. > Please review. > > Thanks, > > Joerg > > Joerg Roedel (5): > swiotlb: Introduce swiotlb_max_mapping_size() > swiotlb: Add is_swiotlb_active() function > dma: Introduce dma_max_mapping_size() > virtio: Introduce virtio_max_dma_size() > virtio-blk: Consider virtio_max_dma_size() for maximum segment size > > Documentation/DMA-API.txt | 8 ++++++++ > drivers/block/virtio...
2019 Feb 05
2
[PATCH 0/5 v6] Fix virtio-blk issue with SWIOTLB
...roblems reported by kbuild :( BTW when you repost, can I ask you to pls include the version in all patches? Both --subject-prefix and -v flags to git format-patch will do this for you. > Please review. > > Thanks, > > Joerg > > Joerg Roedel (5): > swiotlb: Introduce swiotlb_max_mapping_size() > swiotlb: Add is_swiotlb_active() function > dma: Introduce dma_max_mapping_size() > virtio: Introduce virtio_max_dma_size() > virtio-blk: Consider virtio_max_dma_size() for maximum segment size > > Documentation/DMA-API.txt | 8 ++++++++ > drivers/block/virtio...
2019 Feb 07
0
[PATCH v7 3/5] dma: Introduce dma_max_mapping_size()
...int dma_direct_supported(struct device *dev, u64 mask) */ return mask >= __phys_to_dma(dev, min_mask); } + +size_t dma_direct_max_mapping_size(struct device *dev) +{ + size_t size = SIZE_MAX; + + /* If SWIOTLB is active, use its maximum mapping size */ + if (is_swiotlb_active()) + size = swiotlb_max_mapping_size(dev); + + return size; +} diff --git a/kernel/dma/mapping.c b/kernel/dma/mapping.c index a11006b6d8e8..5753008ab286 100644 --- a/kernel/dma/mapping.c +++ b/kernel/dma/mapping.c @@ -357,3 +357,17 @@ void dma_cache_sync(struct device *dev, void *vaddr, size_t size, ops->cache_sync(dev, vaddr, s...