From patchwork Fri Jun 5 22:59:56 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Scott Branden X-Patchwork-Id: 11590827 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 EE54560D for ; Fri, 5 Jun 2020 23:01:07 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D66A02074B for ; Fri, 5 Jun 2020 23:01:07 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=broadcom.com header.i=@broadcom.com header.b="N2VTGCAx" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728521AbgFEXBF (ORCPT ); Fri, 5 Jun 2020 19:01:05 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46398 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728452AbgFEXA1 (ORCPT ); Fri, 5 Jun 2020 19:00:27 -0400 Received: from mail-pl1-x644.google.com (mail-pl1-x644.google.com [IPv6:2607:f8b0:4864:20::644]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id EE573C08C5C8 for ; Fri, 5 Jun 2020 16:00:26 -0700 (PDT) Received: by mail-pl1-x644.google.com with SMTP id n2so4250759pld.13 for ; Fri, 05 Jun 2020 16:00:26 -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=qz7MuNPVCvdbh+ZgEThp7mjF9Pplt5mjBACsV2Ifvtc=; b=N2VTGCAxLShf+NltxaRrg0tDyugL5y/JZISwomOE1XhWz9pQJ1r367lpz8y+mcTMa1 mw+bGsSyVNJhVfCFWfwawobM0sydx8CrYnqY//22mp072eTfdnRZc+o70JJOyjgwARCw qa0T30qb5yYf/I6iIszbk99K5lW/H1oZAP7mU= 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=qz7MuNPVCvdbh+ZgEThp7mjF9Pplt5mjBACsV2Ifvtc=; b=prBvQx9Xp4f78akMLNZlEeXaD3Q1eSr+n2SbMPIDOn88bM1ofUzE4X5if3xloNqXL5 ujmXX+vXJO8IbcPxLRso2Rhz+/UP8fhU05Xf5efU3b0bRU6V3g/QP4P9xpsU73cc+zC2 bmb8pB+b78HXVxsiYVaR2Fi+kPNwBWarkTahIrJGWj+sPudh/LGELM25aVFre/u2AWUg Jpb18j0EveHJke07h6wAiZ3ke6M5uWe9Ba+756uh6ZHS6nEMTrjLkVQkDwE94hiuoTzw VH0E2MrtK0ACQAXxiDF2ekRs3vNo4WKUp41hqAdzM1QN9VJWOk342EV9cqS8Y5qMQOO1 EPsg== X-Gm-Message-State: AOAM5330ZZWoelKV08ArUxEA9Ojm35oiD6/1ZUN1vPBRG5phTOalSzwT 9oTpWEG7yZ6E9HFJfcN22z03RA== X-Google-Smtp-Source: ABdhPJzOswhG9A2QWB1Ol1+irts8PB8Cjsm2B2FxeurNfMtbYK9/loEAEddbKhTB1BEwbVX1PMMH1g== X-Received: by 2002:a17:90a:df98:: with SMTP id p24mr5442938pjv.135.1591398026312; Fri, 05 Jun 2020 16:00:26 -0700 (PDT) Received: from lbrmn-lnxub113.broadcom.net ([192.19.228.250]) by smtp.gmail.com with ESMTPSA id b140sm568974pfb.119.2020.06.05.16.00.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 05 Jun 2020 16:00:25 -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: Mimi Zohar , "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, Andy Gross , linux-integrity@vger.kernel.org, linux-security-module@vger.kernel.org, Scott Branden Subject: [PATCH v6 5/8] bcm-vk: add bcm_vk UAPI Date: Fri, 5 Jun 2020 15:59:56 -0700 Message-Id: <20200605225959.12424-6-scott.branden@broadcom.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200605225959.12424-1-scott.branden@broadcom.com> References: <20200605225959.12424-1-scott.branden@broadcom.com> Sender: linux-integrity-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-integrity@vger.kernel.org Add user space api for bcm-vk driver. Signed-off-by: Scott Branden --- include/uapi/linux/misc/bcm_vk.h | 99 ++++++++++++++++++++++++++++++++ 1 file changed, 99 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..783087b7c31f --- /dev/null +++ b/include/uapi/linux/misc/bcm_vk.h @@ -0,0 +1,99 @@ +/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-2-Clause) */ +/* + * Copyright 2018-2020 Broadcom. + */ + +#ifndef __UAPI_LINUX_MISC_BCM_VK_H +#define __UAPI_LINUX_MISC_BCM_VK_H + +#include +#include + +#define BCM_VK_MAX_FILENAME 64 + +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[BCM_VK_MAX_FILENAME]; /* Filename of image */ +}; + +struct vk_reset { + __u32 arg1; + __u32 arg2; +}; + +#define VK_MAGIC 0x5e + +/* Load image to Valkyrie */ +#define VK_IOCTL_LOAD_IMAGE _IOW(VK_MAGIC, 0x2, struct vk_image) + +/* 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 trans_id; /* transport id, queue & msg_id */ + __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 */ +}; + +#define VK_BAR_FWSTS 0x41c +#define VK_BAR_COP_FWSTS 0x428 +/* VK_FWSTS definitions */ +#define VK_FWSTS_RELOCATION_ENTRY BIT(0) +#define VK_FWSTS_RELOCATION_EXIT BIT(1) +#define VK_FWSTS_INIT_START BIT(2) +#define VK_FWSTS_ARCH_INIT_DONE BIT(3) +#define VK_FWSTS_PRE_KNL1_INIT_DONE BIT(4) +#define VK_FWSTS_PRE_KNL2_INIT_DONE BIT(5) +#define VK_FWSTS_POST_KNL_INIT_DONE BIT(6) +#define VK_FWSTS_INIT_DONE BIT(7) +#define VK_FWSTS_APP_INIT_START BIT(8) +#define VK_FWSTS_APP_INIT_DONE BIT(9) +#define VK_FWSTS_MASK 0xffffffff +#define VK_FWSTS_READY (VK_FWSTS_INIT_START | \ + VK_FWSTS_ARCH_INIT_DONE | \ + VK_FWSTS_PRE_KNL1_INIT_DONE | \ + VK_FWSTS_PRE_KNL2_INIT_DONE | \ + VK_FWSTS_POST_KNL_INIT_DONE | \ + VK_FWSTS_INIT_DONE | \ + VK_FWSTS_APP_INIT_START | \ + VK_FWSTS_APP_INIT_DONE) +/* Deinit */ +#define VK_FWSTS_APP_DEINIT_START BIT(23) +#define VK_FWSTS_APP_DEINIT_DONE BIT(24) +#define VK_FWSTS_DRV_DEINIT_START BIT(25) +#define VK_FWSTS_DRV_DEINIT_DONE BIT(26) +#define VK_FWSTS_RESET_DONE BIT(27) +#define VK_FWSTS_DEINIT_TRIGGERED (VK_FWSTS_APP_DEINIT_START | \ + VK_FWSTS_APP_DEINIT_DONE | \ + VK_FWSTS_DRV_DEINIT_START | \ + VK_FWSTS_DRV_DEINIT_DONE) +/* Last nibble for reboot reason */ +#define VK_FWSTS_RESET_REASON_SHIFT 28 +#define VK_FWSTS_RESET_REASON_MASK (0xf << VK_FWSTS_RESET_REASON_SHIFT) +#define VK_FWSTS_RESET_SYS_PWRUP (0x0 << VK_FWSTS_RESET_REASON_SHIFT) +#define VK_FWSTS_RESET_MBOX_DB (0x1 << VK_FWSTS_RESET_REASON_SHIFT) +#define VK_FWSTS_RESET_M7_WDOG (0x2 << VK_FWSTS_RESET_REASON_SHIFT) +#define VK_FWSTS_RESET_TEMP (0x3 << VK_FWSTS_RESET_REASON_SHIFT) +#define VK_FWSTS_RESET_PCI_FLR (0x4 << VK_FWSTS_RESET_REASON_SHIFT) +#define VK_FWSTS_RESET_PCI_HOT (0x5 << VK_FWSTS_RESET_REASON_SHIFT) +#define VK_FWSTS_RESET_PCI_WARM (0x6 << VK_FWSTS_RESET_REASON_SHIFT) +#define VK_FWSTS_RESET_PCI_COLD (0x7 << VK_FWSTS_RESET_REASON_SHIFT) +#define VK_FWSTS_RESET_L1 (0x8 << VK_FWSTS_RESET_REASON_SHIFT) +#define VK_FWSTS_RESET_L0 (0x9 << VK_FWSTS_RESET_REASON_SHIFT) +#define VK_FWSTS_RESET_UNKNOWN (0xf << VK_FWSTS_RESET_REASON_SHIFT) + +#endif /* __UAPI_LINUX_MISC_BCM_VK_H */