From: Scott Branden <scott.branden@broadcom.com> To: Luis Chamberlain <mcgrof@kernel.org>, Greg Kroah-Hartman <gregkh@linuxfoundation.org>, David Brown <david.brown@linaro.org>, Alexander Viro <viro@zeniv.linux.org.uk>, Shuah Khan <shuah@kernel.org>, bjorn.andersson@linaro.org, Shuah Khan <skhan@linuxfoundation.org>, Arnd Bergmann <arnd@arndb.de> Cc: "Rafael J . Wysocki" <rafael@kernel.org>, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-fsdevel@vger.kernel.org, BCM Kernel Feedback <bcm-kernel-feedback-list@broadcom.com>, Olof Johansson <olof@lixom.net>, Andrew Morton <akpm@linux-foundation.org>, Dan Carpenter <dan.carpenter@oracle.com>, Colin Ian King <colin.king@canonical.com>, Kees Cook <keescook@chromium.org>, Takashi Iwai <tiwai@suse.de>, linux-kselftest@vger.kernel.org, Scott Branden <scott.branden@broadcom.com> Subject: [PATCH 5/7] bcm-vk: add bcm_vk UAPI Date: Thu, 22 Aug 2019 12:24:49 -0700 Message-ID: <20190822192451.5983-6-scott.branden@broadcom.com> (raw) In-Reply-To: <20190822192451.5983-1-scott.branden@broadcom.com> Add user space api for bcm-vk driver. Signed-off-by: Scott Branden <scott.branden@broadcom.com> --- include/uapi/linux/misc/bcm_vk.h | 88 ++++++++++++++++++++++++++++++++ 1 file changed, 88 insertions(+) create mode 100644 include/uapi/linux/misc/bcm_vk.h diff --git a/include/uapi/linux/misc/bcm_vk.h b/include/uapi/linux/misc/bcm_vk.h new file mode 100644 index 000000000000..df7dfd7f0702 --- /dev/null +++ b/include/uapi/linux/misc/bcm_vk.h @@ -0,0 +1,88 @@ +/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-2-Clause) */ +/* + * Copyright(c) 2018 Broadcom + */ + +#ifndef __UAPI_LINUX_MISC_BCM_VK_H +#define __UAPI_LINUX_MISC_BCM_VK_H + +#include <linux/ioctl.h> +#include <linux/types.h> + +struct vk_metadata { + /* struct version, always backwards compatible */ + __u32 version; + + /* Version 0 fields */ + __u32 card_status; +#define VK_CARD_STATUS_FASTBOOT_READY BIT(0) +#define VK_CARD_STATUS_FWLOADER_READY BIT(1) + + __u32 firmware_version; + __u32 fw_status; + /* End version 0 fields */ + + __u64 reserved[14]; + /* Total of 16*u64 for all versions */ +}; + +struct vk_image { + __u32 type; /* Type of image */ +#define VK_IMAGE_TYPE_BOOT1 1 /* 1st stage (load to SRAM) */ +#define VK_IMAGE_TYPE_BOOT2 2 /* 2nd stage (load to DDR) */ + char filename[64]; /* Filename of image */ +}; + +/* default firmware images names */ +#define VK_BOOT1_DEF_FILENAME "vk-boot1.bin" +#define VK_BOOT2_DEF_FILENAME "vk-boot2.bin" + +struct vk_access { + __u8 barno; /* BAR number to use */ + __u8 type; /* Type of access */ +#define VK_ACCESS_READ 0 +#define VK_ACCESS_WRITE 1 + __u32 len; /* length of data */ + __u64 offset; /* offset in BAR */ + __u32 *data; /* where to read/write data to */ +}; + +struct vk_reset { + __u32 arg1; + __u32 arg2; +}; + +#define VK_MAGIC 0x5E + +/* Get metadata from Valkyrie (firmware version, card status, etc) */ +#define VK_IOCTL_GET_METADATA _IOR(VK_MAGIC, 0x1, struct vk_metadata) + +/* Load image to Valkyrie */ +#define VK_IOCTL_LOAD_IMAGE _IOW(VK_MAGIC, 0x2, struct vk_image) + +/* Read data from Valkyrie */ +#define VK_IOCTL_ACCESS_BAR _IOWR(VK_MAGIC, 0x3, struct vk_access) + +/* Send Reset to Valkyrie */ +#define VK_IOCTL_RESET _IOW(VK_MAGIC, 0x4, struct vk_reset) + +/* + * message block - basic unit in the message where a message's size is always + * N x sizeof(basic_block) + */ +struct vk_msg_blk { + __u8 function_id; +#define VK_FID_TRANS_BUF 5 +#define VK_FID_SHUTDOWN 8 + __u8 size; + __u16 queue_id:4; + __u16 msg_id:12; + __u32 context_id; + __u32 args[2]; +#define VK_CMD_PLANES_MASK 0x000F /* number of planes to up/download */ +#define VK_CMD_UPLOAD 0x0400 /* memory transfer to vk */ +#define VK_CMD_DOWNLOAD 0x0500 /* memory transfer from vk */ +#define VK_CMD_MASK 0x0F00 /* command mask */ +}; + +#endif /* __UAPI_LINUX_MISC_BCM_VK_H */ -- 2.17.1
next prev parent reply index Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top 2019-08-22 19:24 [PATCH 0/7] firmware: add partial read support in request_firmware_into_buf Scott Branden 2019-08-22 19:24 ` [PATCH 1/7] fs: introduce kernel_pread_file* support Scott Branden 2019-08-23 12:29 ` Takashi Iwai 2019-08-23 19:55 ` Scott Branden 2019-08-23 21:29 ` Luis Chamberlain 2019-08-22 19:24 ` [PATCH 2/7] firmware: add offset to request_firmware_into_buf Scott Branden 2019-08-22 19:47 ` Luis Chamberlain 2019-08-22 20:07 ` Scott Branden 2019-08-22 21:12 ` Luis Chamberlain 2019-08-22 23:30 ` Scott Branden 2019-08-23 15:47 ` Luis Chamberlain 2019-08-23 20:16 ` Scott Branden 2019-08-23 10:05 ` Takashi Iwai 2019-08-23 19:44 ` Scott Branden 2019-08-26 15:20 ` Takashi Iwai 2019-08-26 15:41 ` Scott Branden 2019-08-26 15:57 ` Takashi Iwai 2019-08-26 17:12 ` Takashi Iwai 2019-08-26 17:24 ` Scott Branden 2019-08-27 10:40 ` Takashi Iwai 2019-10-11 13:31 ` Luis Chamberlain 2020-02-21 0:11 ` Scott Branden 2020-02-21 8:44 ` Arnd Bergmann 2020-02-21 18:23 ` Scott Branden 2020-02-21 23:37 ` Scott Branden 2020-02-22 8:06 ` Arnd Bergmann 2019-08-22 19:24 ` [PATCH 3/7] test_firmware: add partial read support for request_firmware_into_buf Scott Branden 2019-08-22 19:24 ` [PATCH 4/7] selftests: firmware: Test partial file reads of request_firmware_into_buf Scott Branden 2019-08-22 19:24 ` Scott Branden [this message] 2019-08-27 13:54 ` [PATCH 5/7] bcm-vk: add bcm_vk UAPI Arnd Bergmann 2019-08-27 14:49 ` Kieran Bingham 2019-10-08 15:59 ` Olof Johansson 2019-08-22 19:24 ` [PATCH 6/7] misc: bcm-vk: add Broadcom Valkyrie driver Scott Branden 2019-08-27 14:14 ` Arnd Bergmann 2019-08-27 15:25 ` Nicolas Dufresne 2019-08-22 19:24 ` [PATCH 7/7] MAINTAINERS: bcm-vk: Add maintainer for Broadcom Valkyrie Driver Scott Branden
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