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=-13.6 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,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 20ED7C4727F for ; Thu, 1 Oct 2020 01:28:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D10C9208B8 for ; Thu, 1 Oct 2020 01:28:45 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=broadcom.com header.i=@broadcom.com header.b="iR77rLD8" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730269AbgJAB2o (ORCPT ); Wed, 30 Sep 2020 21:28:44 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50784 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725823AbgJAB2k (ORCPT ); Wed, 30 Sep 2020 21:28:40 -0400 Received: from mail-ua1-x961.google.com (mail-ua1-x961.google.com [IPv6:2607:f8b0:4864:20::961]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D63F3C061755 for ; Wed, 30 Sep 2020 18:28:39 -0700 (PDT) Received: by mail-ua1-x961.google.com with SMTP id u48so1005083uau.0 for ; Wed, 30 Sep 2020 18:28:39 -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=5ttrytKrDltyetQ23KnDSb5EbKfcjrjhXOBSWCLEssE=; b=iR77rLD8fbqmonRVpYEqfEL8puiU7rSYkG1uIJArks2LGY4SkUt51kMUaQZj+lA1yA K6LfuPCKCijGei+P+3LqSda+odj+nGMIhAm85RSHRe01GkNNB21BMUyW89ynHDf3mDSL SzNn+9OV2Wk5/J6JNuolDXzhAthrchYU3jLN8= 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=fEw+/swNCv6FUM6N5rch5jjCzJnuRrtJ1vvfF3hjfnAsSa5SQr3vbwOsZb/nBtQ1mC PGKoEaZECOEUxoTM08Dfs99eTcDAmL9hnoYNxqEIoEfIgAZdLdHEYg4aHnfFFGlVwps3 CkFNqCsMfWsZnb1Dm3zgic8KceXUA6vY8P7JBtKSek1z67RmcGMbVZVHw9L4ox0AlN6I rPEFrh4rClENWDxljZByYeml9nBBlABvgoPrGVECMe/bq9ffSa5/UVDVYp9b5Srau3Q7 G3HGF6emUgyV3k5FkosTzDL1zXLf+89agN7i7RlQLQ/6UUmNXCTtYtDz1XIhLpSkikJg UTXg== X-Gm-Message-State: AOAM533KZxJUAAuM7icBt0XDMJ022pJb0GN4VQ1xcHWNyL+39GMBp7A/ OswqPlehNCCIUT5rIDRDDtWHuNdDkr/VtHqGcAHGYM1RA47L X-Google-Smtp-Source: ABdhPJwj1bucmNCjkZOfxre0HM3vDOzztNbN1xDRsr0FZjN8GvMSpT40NkyIFC+6FEMF1CSZehA+PeMM55HF X-Received: by 2002:a9f:3013:: with SMTP id h19mr3544392uab.123.1601515719027; Wed, 30 Sep 2020 18:28:39 -0700 (PDT) Received: from lbrmn-lnxub113.broadcom.net ([192.19.228.250]) by smtp-relay.gmail.com with ESMTPS id r25sm520472vkq.14.2020.09.30.18.28.37 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 30 Sep 2020 18:28:39 -0700 (PDT) X-Relaying-Domain: broadcom.com From: Scott Branden To: Arnd Bergmann , Greg Kroah-Hartman , Scott Branden Cc: Kees Cook , linux-kernel@vger.kernel.org, bcm-kernel-feedback-list@broadcom.com Subject: [PATCH v5 01/15] bcm-vk: add bcm_vk UAPI Date: Wed, 30 Sep 2020 18:27:56 -0700 Message-Id: <20201001012810.4172-2-scott.branden@broadcom.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20201001012810.4172-1-scott.branden@broadcom.com> References: <20201001012810.4172-1-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