diff options
author | Oded Gabbay <ogabbay@kernel.org> | 2022-06-24 13:36:10 +0300 |
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committer | Oded Gabbay <ogabbay@kernel.org> | 2022-07-12 09:09:25 +0300 |
commit | 5125aa3368892dd9dd8bca3d64e88b11bc3490a4 (patch) | |
tree | ce6d61f0014d295f1c44728549dd6b651fdf320c /include/uapi/misc | |
parent | 7659c30d1991098cd11e3d0fc8b9c6941ffe1440 (diff) |
habanalabs/goya: move dma direction enum to uapi file
The values in this enum are not used by h/w but are a contract
between userspace and the kernel driver so they must be defined
in the uapi file.
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
Diffstat (limited to 'include/uapi/misc')
-rw-r--r-- | include/uapi/misc/habanalabs.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/include/uapi/misc/habanalabs.h b/include/uapi/misc/habanalabs.h index 78aecea4684d..41a0fa345e4e 100644 --- a/include/uapi/misc/habanalabs.h +++ b/include/uapi/misc/habanalabs.h @@ -276,6 +276,33 @@ enum hl_gaudi_pll_index { }; /** + * enum hl_goya_dma_direction - Direction of DMA operation inside a LIN_DMA packet that is + * submitted to the GOYA's DMA QMAN. This attribute is not relevant + * to the H/W but the kernel driver use it to parse the packet's + * addresses and patch/validate them. + * @HL_DMA_HOST_TO_DRAM: DMA operation from Host memory to GOYA's DDR. + * @HL_DMA_HOST_TO_SRAM: DMA operation from Host memory to GOYA's SRAM. + * @HL_DMA_DRAM_TO_SRAM: DMA operation from GOYA's DDR to GOYA's SRAM. + * @HL_DMA_SRAM_TO_DRAM: DMA operation from GOYA's SRAM to GOYA's DDR. + * @HL_DMA_SRAM_TO_HOST: DMA operation from GOYA's SRAM to Host memory. + * @HL_DMA_DRAM_TO_HOST: DMA operation from GOYA's DDR to Host memory. + * @HL_DMA_DRAM_TO_DRAM: DMA operation from GOYA's DDR to GOYA's DDR. + * @HL_DMA_SRAM_TO_SRAM: DMA operation from GOYA's SRAM to GOYA's SRAM. + * @HL_DMA_ENUM_MAX: number of values in enum + */ +enum hl_goya_dma_direction { + HL_DMA_HOST_TO_DRAM, + HL_DMA_HOST_TO_SRAM, + HL_DMA_DRAM_TO_SRAM, + HL_DMA_SRAM_TO_DRAM, + HL_DMA_SRAM_TO_HOST, + HL_DMA_DRAM_TO_HOST, + HL_DMA_DRAM_TO_DRAM, + HL_DMA_SRAM_TO_SRAM, + HL_DMA_ENUM_MAX +}; + +/** * enum hl_device_status - Device status information. * @HL_DEVICE_STATUS_OPERATIONAL: Device is operational. * @HL_DEVICE_STATUS_IN_RESET: Device is currently during reset. |