From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-20.2 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, UPPERCASE_50_75,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1FEC0C71156 for ; Mon, 30 Nov 2020 18:43:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C46F920705 for ; Mon, 30 Nov 2020 18:43:39 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=broadcom.com header.i=@broadcom.com header.b="h0d2a4vn" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729792AbgK3SnM (ORCPT ); Mon, 30 Nov 2020 13:43:12 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59070 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727626AbgK3SnJ (ORCPT ); Mon, 30 Nov 2020 13:43:09 -0500 Received: from mail-oi1-x264.google.com (mail-oi1-x264.google.com [IPv6:2607:f8b0:4864:20::264]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1BACAC0613D2 for ; Mon, 30 Nov 2020 10:42:29 -0800 (PST) Received: by mail-oi1-x264.google.com with SMTP id h3so15257228oie.8 for ; Mon, 30 Nov 2020 10:42:29 -0800 (PST) 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=5ttrytKrDltyetQ23KnDSb5EbKfcjrjhXOBSWCLEssE=; b=h0d2a4vnL57sKltgwLEIhN11kVn+kxXcJcQsv94ULhdDI+823fDasug9NPl0sJIvLz awB8KRqnnEcc9sfLjuTIEfGHXjo/7oKI1C4cDlb9fMEdlK+YcULIt99vl1BLtm1uK8jK 9dl71Jf793BRwUtdtsfh5U7zgoZitca79Z/Is= 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=5ttrytKrDltyetQ23KnDSb5EbKfcjrjhXOBSWCLEssE=; b=P/aZUz6aJUDwiS1CBmAFR3CCO2ZPkjZRJUlB0nB6RNN72srRuwrc65u8OimYh4pRjv GxLpTlYWqnS9w7t7AnXYvbIHh9ynUrFOY7aQ3tanvbG8cQxjf1x84mZg/6YXNJmGKKcM jo9VcIXVQfyd/MX/kwBZbujoVDU0bfWESLrxZqIirvNCC3NRH2COTg98OAJ8If5fkcD9 ArbtJjcUehSJX2f0EqgsYT9yF6si2rKOBnwdH0VekojfRHG8/HGadxpIdp7IDFN03NiU WcTwY1bJC4CHypqQEihvaaUeYLpqduXrA5Q4qOSYwv1dHRkfXmEgEb8Udi7Q7jvreoNQ 3ZqA== X-Gm-Message-State: AOAM532qhzCS8AopOsXuJIUxaKWuumaXpDVGf2fDsL6AtGznCiCocliT wbofx9WDMAD3OCCPDAHlYATs5cmquCUot2jqDGpGRuKR9JET X-Google-Smtp-Source: ABdhPJwkujaoIe9YyoW+VRvGbWRE4zYaeQizRY54lYaHEGxlzPMEhbQeYmhLyj6fg/xWFiPpUtg59hdDnCqw X-Received: by 2002:aca:2311:: with SMTP id e17mr192366oie.50.1606761748371; Mon, 30 Nov 2020 10:42:28 -0800 (PST) Received: from lbrmn-lnxub113.broadcom.net ([192.19.228.250]) by smtp-relay.gmail.com with ESMTPS id z21sm1909069ooe.19.2020.11.30.10.42.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 30 Nov 2020 10:42:28 -0800 (PST) X-Relaying-Domain: broadcom.com From: Scott Branden To: Arnd Bergmann , Greg Kroah-Hartman , Scott Branden , Desmond Yan Cc: Kees Cook , linux-kernel@vger.kernel.org, bcm-kernel-feedback-list@broadcom.com, Olof Johansson Subject: [PATCH v8 01/13] bcm-vk: add bcm_vk UAPI Date: Mon, 30 Nov 2020 10:41:48 -0800 Message-Id: <20201130184200.5095-2-scott.branden@broadcom.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20201130184200.5095-1-scott.branden@broadcom.com> References: <20201130184200.5095-1-scott.branden@broadcom.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add user space api for bcm-vk driver. Provide ioctl api to load images and issue reset command to card. FW status registers in PCI BAR space also defined as part of API so that user space is able to interpret these memory locations as needed via direct PCIe access. Signed-off-by: Scott Branden --- include/uapi/linux/misc/bcm_vk.h | 84 ++++++++++++++++++++++++++++++++ 1 file changed, 84 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..ec28e0bd46a9 --- /dev/null +++ b/include/uapi/linux/misc/bcm_vk.h @@ -0,0 +1,84 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +/* + * 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) */ + __u8 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) + +/* + * Firmware Status accessed directly via BAR space + */ +#define VK_BAR_FWSTS 0x41c +#define VK_BAR_COP_FWSTS 0x428 +/* VK_FWSTS definitions */ +#define VK_FWSTS_RELOCATION_ENTRY (1UL << 0) +#define VK_FWSTS_RELOCATION_EXIT (1UL << 1) +#define VK_FWSTS_INIT_START (1UL << 2) +#define VK_FWSTS_ARCH_INIT_DONE (1UL << 3) +#define VK_FWSTS_PRE_KNL1_INIT_DONE (1UL << 4) +#define VK_FWSTS_PRE_KNL2_INIT_DONE (1UL << 5) +#define VK_FWSTS_POST_KNL_INIT_DONE (1UL << 6) +#define VK_FWSTS_INIT_DONE (1UL << 7) +#define VK_FWSTS_APP_INIT_START (1UL << 8) +#define VK_FWSTS_APP_INIT_DONE (1UL << 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 (1UL << 23) +#define VK_FWSTS_APP_DEINIT_DONE (1UL << 24) +#define VK_FWSTS_DRV_DEINIT_START (1UL << 25) +#define VK_FWSTS_DRV_DEINIT_DONE (1UL << 26) +#define VK_FWSTS_RESET_DONE (1UL << 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 */ -- 2.17.1