uapi/linux/fpga-dfl.h

1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
5  * Copyright (C) 2017-2018 Intel Corporation, Inc.
38  * DFL_FPGA_GET_API_VERSION - _IO(DFL_FPGA_MAGIC, DFL_FPGA_BASE + 0)
47  * DFL_FPGA_CHECK_EXTENSION - _IO(DFL_FPGA_MAGIC, DFL_FPGA_BASE + 1)
58  * DFL_FPGA_PORT_RESET - _IO(DFL_FPGA_MAGIC, DFL_PORT_BASE + 0)
61  * Userspace can do Port reset at any time, e.g. during DMA or PR. But
63  * (e.g. DMA or PR operation failure) and be recoverable from the failure.
64  * Return: 0 on success, -errno of failure
70  * DFL_FPGA_PORT_GET_INFO - _IOR(DFL_FPGA_MAGIC, DFL_PORT_BASE + 1,
75  * Return: 0 on success, -errno on failure.
89  * FPGA_PORT_GET_REGION_INFO - _IOWR(FPGA_MAGIC, PORT_BASE + 2,
95  * Return: 0 on success, -errno on failure.
118  * DFL_FPGA_PORT_DMA_MAP - _IOWR(DFL_FPGA_MAGIC, DFL_PORT_BASE + 3,
121  * Map the dma memory per user_addr and length which are provided by caller.
123  * This interface only accepts page-size aligned user memory for dma mapping.
124  * Return: 0 on success, -errno on failure.
139  * DFL_FPGA_PORT_DMA_UNMAP - _IOW(FPGA_MAGIC, PORT_BASE + 4,
142  * Unmap the dma memory per iova provided by caller.
143  * Return: 0 on success, -errno on failure.
155  * struct dfl_fpga_irq_set - the argument for DFL_FPGA_XXX_SET_IRQ ioctl.
168  * DFL_FPGA_PORT_ERR_GET_IRQ_NUM - _IOR(DFL_FPGA_MAGIC, DFL_PORT_BASE + 5,
173  * Return: 0 on success, -errno on failure.
179  * DFL_FPGA_PORT_ERR_SET_IRQ - _IOW(DFL_FPGA_MAGIC, DFL_PORT_BASE + 6,
183  * Unset related interrupt trigger if evtfds[n] is a negative value.
184  * Return: 0 on success, -errno on failure.
191  * DFL_FPGA_PORT_UINT_GET_IRQ_NUM - _IOR(DFL_FPGA_MAGIC, DFL_PORT_BASE + 7,
196  * Return: 0 on success, -errno on failure.
202  * DFL_FPGA_PORT_UINT_SET_IRQ - _IOW(DFL_FPGA_MAGIC, DFL_PORT_BASE + 8,
206  * Unset related interrupt trigger if evtfds[n] is a negative value.
207  * Return: 0 on success, -errno on failure.
216  * DFL_FPGA_FME_PORT_PR - _IOW(DFL_FPGA_MAGIC, DFL_FME_BASE + 0,
221  * Return: 0 on success, -errno on failure.
222  * If DFL_FPGA_FME_PORT_PR returns -EIO, that indicates the HW has detected
239  * DFL_FPGA_FME_PORT_RELEASE - _IOW(DFL_FPGA_MAGIC, DFL_FME_BASE + 1,
243  * Return: 0 on success, -errno on failure.
248  * DFL_FPGA_FME_PORT_ASSIGN - _IOW(DFL_FPGA_MAGIC, DFL_FME_BASE + 2,
252  * Return: 0 on success, -errno on failure.
257  * DFL_FPGA_FME_ERR_GET_IRQ_NUM - _IOR(DFL_FPGA_MAGIC, DFL_FME_BASE + 3,
262  * Return: 0 on success, -errno on failure.
268  * DFL_FPGA_FME_ERR_SET_IRQ - _IOW(DFL_FPGA_MAGIC, DFL_FME_BASE + 4,
272  * Unset related interrupt trigger if evtfds[n] is a negative value.
273  * Return: 0 on success, -errno on failure.