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linux/drivers/dma
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Jason Gunthorpe 18dcca2496 Merge branch 'iommufd_pri' into iommufd for-next 
Lu Baolu says:

====================
This series implements the functionality of delivering IO page faults to
user space through the IOMMUFD framework. One feasible use case is the
nested translation. Nested translation is a hardware feature that supports
two-stage translation tables for IOMMU. The second-stage translation table
is managed by the host VMM, while the first-stage translation table is
owned by user space. This allows user space to control the IOMMU mappings
for its devices.

When an IO page fault occurs on the first-stage translation table, the
IOMMU hardware can deliver the page fault to user space through the
IOMMUFD framework. User space can then handle the page fault and respond
to the device top-down through the IOMMUFD. This allows user space to
implement its own IO page fault handling policies.

User space application that is capable of handling IO page faults should
allocate a fault object, and bind the fault object to any domain that it
is willing to handle the fault generatd for them. On a successful return
of fault object allocation, the user can retrieve and respond to page
faults by reading or writing to the file descriptor (FD) returned.

The iommu selftest framework has been updated to test the IO page fault
delivery and response functionality.
====================

* iommufd_pri:
  iommufd/selftest: Add coverage for IOPF test
  iommufd/selftest: Add IOPF support for mock device
  iommufd: Associate fault object with iommufd_hw_pgtable
  iommufd: Fault-capable hwpt attach/detach/replace
  iommufd: Add iommufd fault object
  iommufd: Add fault and response message definitions
  iommu: Extend domain attach group with handle support
  iommu: Add attach handle to struct iopf_group
  iommu: Remove sva handle list
  iommu: Introduce domain attachment handle

Link: https://lore.kernel.org/all/20240702063444.105814-1-baolu.lu@linux.intel.com
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2024-07-09 13:55:05 -03:00
..
bestcomm dmaengine: bestcomm: Code cleanup for bcom_sram_init 2024-01-30 22:11:56 +05:30
dw dmaengine: dw: platform: Convert to platform remove callback returning void 2023-09-28 13:10:47 +05:30
dw-axi-dmac dma: dw-axi-dmac: support per channel interrupt 2024-04-07 17:18:14 +05:30
dw-edma dmaengine: dw-edma: eDMA: Add sync read before starting the DMA transfer in remote setup 2024-02-07 09:30:52 +01:00
fsl-dpaa2-qdma dmaengine: fsl-dpaa2-qdma: Fix kernel-doc check warning 2024-04-25 14:41:55 +05:30
hsu dmaengine: hsu: Include headers we are direct user of 2022-09-04 22:49:35 +05:30
idxd Merge branch 'iommufd_pri' into iommufd for-next 2024-07-09 13:55:05 -03:00
ioat dmaengine: ioatdma: Fix missing kmem_cache_destroy() 2024-06-11 23:39:26 +05:30
lgm dmaengine: lgm: Use builtin_platform_driver macro to simplify the code 2023-08-21 11:13:09 +05:30
mediatek dmaengine updates for v6.7 2023-11-03 18:56:51 -10:00
ppc4xx dmaengine: ppc4xx: adma: Convert to platform remove callback returning void 2023-09-28 13:10:52 +05:30
ptdma dmaengine: ptdma: use consistent DMA masks 2024-02-23 12:22:55 +05:30
qcom dmaengine: qcom: Drop hidma DT support 2024-04-25 14:31:47 +05:30
sf-pdma dmaengine: sf-pdma: add mpfs-pdma compatible name 2023-12-11 16:33:22 +05:30
sh dmaengine: shdma: increase size of 'dev_id' 2024-01-19 18:12:10 +05:30
ti dmaengine: ti: k3-udma-glue: Fix of_k3_udma_glue_parse_chn_by_id() 2024-06-11 23:10:44 +05:30
xilinx dmaengine: xilinx: xdma: Fix data synchronisation in xdma_channel_isr() 2024-06-07 22:41:51 +05:30
acpi-dma.c dmaengine: acpi: Check for errors from acpi_register_gsi() separately 2021-08-06 21:48:11 +05:30
altera-msgdma.c dmaengine: altera-msgdma: Convert to platform remove callback returning void 2023-09-28 13:10:45 +05:30
amba-pl08x.c dmaengine: pl08x: Use kcalloc() instead of kzalloc() 2024-04-17 22:43:17 +05:30
apple-admac.c dmaengine: apple-admac: Keep upper bits of REG_BUS_WIDTH 2023-11-24 18:57:56 +05:30
at_hdmac.c dmaengine: at_hdmac: add missing kernel-doc style description 2024-02-02 17:16:55 +01:00
at_xdmac.c dmaengine: at_xdmac: Convert to platform remove callback returning void 2023-09-28 13:10:45 +05:30
bcm-sba-raid.c dmaengine: bcm-sba-raid: Convert to platform remove callback returning void 2023-09-28 13:10:46 +05:30
bcm2835-dma.c dmaengine: bcm2835-dma: Convert to platform remove callback returning void 2023-09-28 13:10:46 +05:30
dma-axi-dmac.c dmaengine: axi-dmac: move to device managed probe 2024-04-07 17:10:20 +05:30
dma-jz4780.c dmaengine: dma-jz4780: Convert to platform remove callback returning void 2023-09-28 13:10:47 +05:30
dmaengine.c dmaengine: fix NULL pointer in channel unregistration function 2023-12-21 21:44:29 +05:30
dmaengine.h dmaengine: dmaengine_desc_callback_valid(): Check for callback_result 2021-10-25 09:42:56 +05:30
dmatest.c dmaengine: dmatest: prevent using swiotlb buffer with nobounce parameter 2023-12-11 20:15:27 +05:30
ep93xx_dma.c dmaengine: ep93xx_dma: Annotate struct ep93xx_dma_engine with __counted_by 2023-10-04 15:12:57 +05:30
fsl_raid.c dmaengine: fsl_raid: Convert to platform remove callback returning void 2023-09-28 13:10:48 +05:30
fsl_raid.h
fsl-edma-common.c dmaengine: fsl-edma: add trace event support 2024-05-04 18:00:16 +05:30
fsl-edma-common.h dmaengine: fsl-edma: use _Generic to handle difference type 2024-05-04 18:00:17 +05:30
fsl-edma-main.c dmaengine: fsl-edma: clean up unused "fsl,imx8qm-adma" compatible string 2024-04-25 14:32:28 +05:30
fsl-edma-trace.c dmaengine: fsl-edma: add trace event support 2024-05-04 18:00:16 +05:30
fsl-edma-trace.h dmaengine: fsl-edma: add trace event support 2024-05-04 18:00:16 +05:30
fsl-qdma.c dmaengine: fsl-qdma: add __iomem and struct in union to fix sparse warning 2024-02-23 12:20:39 +05:30
fsldma.c dmaengine: fsldma: Convert to platform remove callback returning void 2023-09-28 13:10:48 +05:30
fsldma.h fsldma: fix very broken 32-bit ppc ioread64 functionality 2020-08-29 13:50:56 -07:00
hisi_dma.c dmaengine: hisilicon: Annotate struct hisi_dma_dev with __counted_by 2023-09-28 16:42:14 +05:30
idma64.c dmaengine updates for v6.10 2024-05-21 11:15:56 -07:00
idma64.h
img-mdc-dma.c dmaengine: img-mdc-dma: Convert to platform remove callback returning void 2023-09-28 13:10:48 +05:30
imx-dma.c dmaengine: imx-dma: Convert to platform remove callback returning void 2023-09-28 13:10:49 +05:30
imx-sdma.c dmaengine: imx-sdma: Add i2c dma support 2024-04-25 14:41:18 +05:30
k3dma.c dmaengine: Drop unnecessary of_match_device() calls 2023-10-09 10:55:16 +05:30
Kconfig dmaengine: fsl-edma: avoid linking both modules 2024-06-11 23:29:23 +05:30
lpc18xx-dmamux.c dmaengine: Explicitly include correct DT includes 2023-08-01 23:51:27 +05:30
ls2x-apb-dma.c dmaengine: ls2x-apb: New driver for the Loongson LS2X APB DMA controller 2023-12-21 21:35:13 +05:30
Makefile dmaengine: fsl-edma: add trace event support 2024-05-04 18:00:16 +05:30
mcf-edma-main.c dmaengine: fsl-edma: remove 'slave_id' from fsl_edma_chan 2024-04-07 17:20:00 +05:30
milbeaut-hdmac.c dmaengine: milbeaut-hdmac: Convert to platform remove callback returning void 2023-11-24 18:32:30 +05:30
milbeaut-xdmac.c dmaengine: milbeaut-xdmac: Convert to platform remove callback returning void 2023-11-24 18:32:30 +05:30
mmp_pdma.c dmaengine: Drop unnecessary of_match_device() calls 2023-10-09 10:55:16 +05:30
mmp_tdma.c dmaengine: mmp_tdma: drop unused variable 'of_id' 2023-10-10 23:30:52 +05:30
moxart-dma.c dmaengine: moxart-dma: Annotate struct moxart_desc with __counted_by 2023-09-28 16:42:14 +05:30
mpc512x_dma.c dmaengine: mpc512x_dma: Convert to platform remove callback returning void 2023-09-28 13:10:51 +05:30
mv_xor_v2.c irqchip: Convert all platform MSI users to the new API 2024-02-15 17:55:40 +01:00
mv_xor.c dmaengine: Use device_get_match_data() 2023-10-09 10:54:48 +05:30
mv_xor.h
mxs-dma.c dmaengine: Explicitly include correct DT includes 2023-08-01 23:51:27 +05:30
nbpfaxi.c dmaengine: nbpfaxi: Convert to platform remove callback returning void 2023-09-28 13:10:52 +05:30
of-dma.c dmaengine: of: constify of_phandle_args in of_dma_find_controller() 2024-02-23 12:44:08 +05:30
owl-dma.c dmaengine: owl: fix register access functions 2024-03-28 12:29:36 +05:30
pch_dma.c dmaengine: pch_dma: remove unused function chan2parent 2024-04-07 18:36:58 +05:30
pl330.c ARM development updates for v6.10-rc1 2024-05-17 08:53:47 -07:00
plx_dma.c dmaengine: plx_dma: Don't set chancnt 2023-05-24 12:24:32 +05:30
pxa_dma.c dmaengine: Drop unnecessary of_match_device() calls 2023-10-09 10:55:16 +05:30
sa11x0-dma.c dmaengine: sa11x0: Annotate struct sa11x0_dma_desc with __counted_by 2023-09-28 16:42:14 +05:30
sprd-dma.c dmaengine: sprd: delete redundant parameter for dma driver function 2023-10-02 21:28:33 +05:30
st_fdma.c dmaengine: Use device_get_match_data() 2023-10-09 10:54:48 +05:30
st_fdma.h dmaengine: st_fdma: Annotate struct st_fdma_desc with __counted_by 2023-09-28 16:42:14 +05:30
ste_dma40_ll.c dmaengine: ste_dma40: Remove platform data 2023-05-16 23:00:19 +05:30
ste_dma40_ll.h
ste_dma40.c dmaengine: std_dma40: fix kernel-doc warnings and spelling 2023-12-21 21:31:30 +05:30
ste_dma40.h dmaengine: ste_dma40: Remove platform data 2023-05-16 23:00:19 +05:30
stm32-dma.c dmaengine: stm32-dma: avoid bitfield overflow assertion 2023-11-24 18:28:25 +05:30
stm32-dmamux.c dmaengine: Explicitly include correct DT includes 2023-08-01 23:51:27 +05:30
stm32-mdma.c dmaengine updates for v6.7 2023-11-03 18:56:51 -10:00
sun4i-dma.c dmaengine: sun4i-dma: Convert to platform remove callback returning void 2023-09-28 13:10:55 +05:30
sun6i-dma.c dmaengine: sun6i-dma: Convert to platform remove callback returning void 2023-09-28 13:10:56 +05:30
tegra20-apb-dma.c dmaengine: tegra20-apb-dma: Convert to platform remove callback returning void 2023-09-28 13:10:56 +05:30
tegra186-gpc-dma.c dmaengine: tegra186: Fix residual calculation 2024-03-28 12:31:42 +05:30
tegra210-adma.c dmaengine: tegra210-adma: Support dma-channel-mask property 2023-12-11 17:44:18 +05:30
timb_dma.c dmaengine: timb_dma: Convert to platform remove callback returning void 2023-09-28 13:10:58 +05:30
TODO
txx9dmac.c dmaengine: txx9dmac: Convert to platform remove callback returning void 2023-09-28 13:10:58 +05:30
txx9dmac.h
uniphier-mdmac.c dmaengine: uniphier-mdmac: Convert to platform remove callback returning void 2023-11-24 18:32:30 +05:30
uniphier-xdmac.c dmaengine: uniphier-xdmac: Convert to platform remove callback returning void 2023-11-24 18:32:30 +05:30
virt-dma.c dmaengine: virt-dma: convert tasklets to use new tasklet_setup() API 2020-09-18 12:19:07 +05:30
virt-dma.h dma: Add lockdep asserts to virt-dma 2024-04-07 17:08:19 +05:30
xgene-dma.c dmaengine: xgene-dma: Convert to platform remove callback returning void 2023-09-28 13:10:58 +05:30