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authorLinus Torvalds <torvalds@linux-foundation.org>2020-04-02 16:04:42 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2020-04-02 16:04:42 -0700
commite964f1e04a1ce562f0d748b29326244d3cb35ba4 (patch)
tree9f0afaef4b7e6a627595f27a1c5dc92c10e79103 /include/uapi
parent5c8db3eb381745c010ba746373a279e92502bdc8 (diff)
parentcea582b5ee5645839650b6667335cfb40ec71c19 (diff)
downloadlinux-e964f1e04a1ce562f0d748b29326244d3cb35ba4.tar.bz2
Merge tag 'dmaengine-5.7-rc1' of git://git.infradead.org/users/vkoul/slave-dma
Pull dmaengine updates from Vinod Koul: "Core: - Some code cleanup and optimization in core by Andy - Debugfs support for displaying dmaengine channels by Peter Drivers: - New driver for uniphier-xdmac controller - Updates to stm32 dma, mdma and dmamux drivers and PM support - More updates to idxd drivers - Bunch of changes in tegra-apb driver and cleaning up of pm functions - Bunch of spelling fixes and Replace zero-length array patches - Shutdown hook for fsl-dpaa2-qdma driver - Support for interleaved transfers for ti-edma and virtualization support for k3-dma driver - Support for reset and updates in xilinx_dma driver - Improvements and locking updates in at_hdma driver" * tag 'dmaengine-5.7-rc1' of git://git.infradead.org/users/vkoul/slave-dma: (89 commits) dt-bindings: dma: renesas,usb-dmac: add r8a77961 support dmaengine: uniphier-xdmac: Remove redandant error log for platform_get_irq dmaengine: tegra-apb: Improve DMA synchronization dmaengine: tegra-apb: Don't save/restore IRQ flags in interrupt handler dmaengine: tegra-apb: mark PM functions as __maybe_unused dmaengine: fix spelling mistake "exceds" -> "exceeds" dmaengine: sprd: Set request pending flag when DMA controller is active dmaengine: ppc4xx: Use scnprintf() for avoiding potential buffer overflow dmaengine: idxd: remove global token limit check dmaengine: idxd: reflect shadow copy of traffic class programming dmaengine: idxd: Merge definition of dsa_batch_desc into dsa_hw_desc dmaengine: Create debug directories for DMA devices dmaengine: ti: k3-udma: Implement custom dbg_summary_show for debugfs dmaengine: Add basic debugfs support dmaengine: fsl-dpaa2-qdma: remove set but not used variable 'dpaa2_qdma' dmaengine: ti: edma: fix null dereference because of a typo in pointer name dmaengine: fsl-dpaa2-qdma: Adding shutdown hook dmaengine: uniphier-xdmac: Add UniPhier external DMA controller driver dt-bindings: dmaengine: Add UniPhier external DMA controller bindings dmaengine: ti: k3-udma: Implement support for atype (for virtualization) ...
Diffstat (limited to 'include/uapi')
-rw-r--r--include/uapi/linux/idxd.h21
1 files changed, 5 insertions, 16 deletions
diff --git a/include/uapi/linux/idxd.h b/include/uapi/linux/idxd.h
index 849ef1515d04..1f412fbf561b 100644
--- a/include/uapi/linux/idxd.h
+++ b/include/uapi/linux/idxd.h
@@ -83,21 +83,6 @@ enum dsa_completion_status {
#define DSA_COMP_STATUS_MASK 0x7f
#define DSA_COMP_STATUS_WRITE 0x80
-struct dsa_batch_desc {
- uint32_t pasid:20;
- uint32_t rsvd:11;
- uint32_t priv:1;
- uint32_t flags:24;
- uint32_t opcode:8;
- uint64_t completion_addr;
- uint64_t desc_list_addr;
- uint64_t rsvd1;
- uint32_t desc_count;
- uint16_t interrupt_handle;
- uint16_t rsvd2;
- uint8_t rsvd3[24];
-} __attribute__((packed));
-
struct dsa_hw_desc {
uint32_t pasid:20;
uint32_t rsvd:11;
@@ -109,6 +94,7 @@ struct dsa_hw_desc {
uint64_t src_addr;
uint64_t rdback_addr;
uint64_t pattern;
+ uint64_t desc_list_addr;
};
union {
uint64_t dst_addr;
@@ -116,7 +102,10 @@ struct dsa_hw_desc {
uint64_t src2_addr;
uint64_t comp_pattern;
};
- uint32_t xfer_size;
+ union {
+ uint32_t xfer_size;
+ uint32_t desc_count;
+ };
uint16_t int_handle;
uint16_t rsvd1;
union {