From patchwork Thu Aug 22 19:24:49 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Scott Branden X-Patchwork-Id: 11109935 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id A2DEF1399 for ; Thu, 22 Aug 2019 19:25:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 81E8C23406 for ; Thu, 22 Aug 2019 19:25:39 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=broadcom.com header.i=@broadcom.com header.b="bqniYupz" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2404375AbfHVTZY (ORCPT ); Thu, 22 Aug 2019 15:25:24 -0400 Received: from mail-pg1-f195.google.com ([209.85.215.195]:44433 "EHLO mail-pg1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2404319AbfHVTZT (ORCPT ); Thu, 22 Aug 2019 15:25:19 -0400 Received: by mail-pg1-f195.google.com with SMTP id i18so4224278pgl.11 for ; Thu, 22 Aug 2019 12:25:19 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=broadcom.com; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=/tIfWiDT7rhi/abpdmQcXHDvll3scxVbBQp4igt8ciU=; b=bqniYupzhzFo73B02qXJRg6LDQw9VxDM0+7esSTGT6Ps6bYVMkEekcpx31lkcFmWkv 7SNJN6qVa3moqhjKAOIFDDCoSXg40jxDKh07tXdmszoHWAyUwJ3p9Ul7phjSkTMOoPf9 DRDocSsYUeMKoF7drMnUNK+sSXyjh1FDCJvoQ= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=/tIfWiDT7rhi/abpdmQcXHDvll3scxVbBQp4igt8ciU=; b=GtAEA0qPkFO+vs18Wz41VhsKq29q6Rgjr9w/NPprwoxZRpYcZ5pzTEwavGoCgeziD6 A4P7t80SNXmKnT2M6PwFuNqdcMI9Wh7e0QkZvIfXxwa06rQAP8aAbKZY0sGl/YKL0zvF JyamynHOBvFXGfXBw7LUAnav/01QuNScpqM6aumjw9Au8TvUVnquSgS/DHJzJXdKPfcB BVrewdVB8Y1nUkWs0Mgmq8nFN3A0c/VYkxRJgWpXvIzmGIpzVGsi8AvMRpTU0Jsth41E 6XELWxJcnys0NERddMK2bwRBIabL8T2VTeqvUWOigg+cwwqip0aYJXA1GcFR4czh2dDj Omnw== X-Gm-Message-State: APjAAAX0xEP2VuCC5k0J76NG66ykTTYcU1I7+2lL4wB3gVzIRXtLmK2d CEHAaSn8KkI+Z/DW6qmi+Q9ebQ== X-Google-Smtp-Source: APXvYqxvyPhjwJ4w7bJbI1T+twRUXk2u+vaBSyJc6vQBeCbOiTrbirkMaygnOedgYeGUk6QXZ7Wf7A== X-Received: by 2002:a17:90a:2767:: with SMTP id o94mr1264139pje.25.1566501918992; Thu, 22 Aug 2019 12:25:18 -0700 (PDT) Received: from lbrmn-lnxub113.broadcom.net ([192.19.228.250]) by smtp.gmail.com with ESMTPSA id c12sm198018pfc.22.2019.08.22.12.25.16 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 22 Aug 2019 12:25:18 -0700 (PDT) From: Scott Branden To: Luis Chamberlain , Greg Kroah-Hartman , David Brown , Alexander Viro , Shuah Khan , bjorn.andersson@linaro.org, Shuah Khan , Arnd Bergmann Cc: "Rafael J . Wysocki" , linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-fsdevel@vger.kernel.org, BCM Kernel Feedback , Olof Johansson , Andrew Morton , Dan Carpenter , Colin Ian King , Kees Cook , Takashi Iwai , linux-kselftest@vger.kernel.org, Scott Branden 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> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190822192451.5983-1-scott.branden@broadcom.com> References: <20190822192451.5983-1-scott.branden@broadcom.com> Sender: linux-fsdevel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org Add user space api for bcm-vk driver. Signed-off-by: Scott Branden --- 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 +#include + +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 */