From patchwork Fri Jul 19 17:51:26 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lizhi Hou X-Patchwork-Id: 13737491 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id ED47AC3DA5D for ; Fri, 19 Jul 2024 17:51:44 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 4FB9810EC83; Fri, 19 Jul 2024 17:51:44 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (1024-bit key; unprotected) header.d=amd.com header.i=@amd.com header.b="yz5mPTry"; dkim-atps=neutral Received: from NAM12-DM6-obe.outbound.protection.outlook.com (mail-dm6nam12on2061.outbound.protection.outlook.com [40.107.243.61]) by gabe.freedesktop.org (Postfix) with ESMTPS id E258010EC7F for ; Fri, 19 Jul 2024 17:51:34 +0000 (UTC) ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=gaHmiKRJV8aJ1MCDCFSrlNPu2FPUe5Haoc6IoOjGgxgzPTE8KzbrLwCxmpqDv88b63KPjmv0MjlsVVa8dhbwf5yiVP1lPVEfwmNpZIqP0JBjPBiRqZrpR474cONR1cwTT/1Pr4uZh6P+LfkMcsVRDpYk4F6DdquV11MN6boosBqYI3z1FI4MFaIJNKz7HriNVpoUAP4xOZrLexhGfZVNtp135SA+iC/9IOu5eovYLGXLq/1i8Ic817Mm3+94iIy0O1PO2jt0oAg3yHBJy6nmxHW8yCSWXkcKTyu7LIK+ALoIeqS+3E08rpfNeTMITo5bpBJKmhyJWGgh5oG9joVp2g== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector10001; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=0D0PXVhdKqtaPTB6NTgaOG1GIg65le0gv5E3szjPSjQ=; b=HbDPJaF0/leMqF6fsC3eeu4KPIhQ1CKfbk4FOdnsKI0sLn9xB7T9LqMaE+NfOUnvxEJMYCACqOnY6aYOs7jMCMwx5VIzsHitgDdRoMBF0fiM3zhXF1RzWrtxiP9+qBS2EbFNbp9wToFGX2ocF8T9KIsJZGhmps3hysh2lhA6d9FsYjAUXljqtGlr3uJBkcyIbIAttlYLIKyyENT+7qUuCjCJZEq5jYNF4u0l/wZv2TfaRQMwMw6NX3fhwzo9wN8ho+Xm1de9uhdYqLdfh9nrbT+5JOBN3TUHrb9UvKFriVYv/TsfW8uavy/g64OYVf9KuaZLOpSTD0TGEYBYYyAa7A== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 165.204.84.17) smtp.rcpttodomain=kernel.org smtp.mailfrom=amd.com; dmarc=pass (p=quarantine sp=quarantine pct=100) action=none header.from=amd.com; dkim=none (message not signed); arc=none (0) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amd.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=0D0PXVhdKqtaPTB6NTgaOG1GIg65le0gv5E3szjPSjQ=; b=yz5mPTryhuoMaez8fDmdTPTkfZ4Z9T+92BpZWvlTDXP3gOEuFzFqWBdIgsT3N2NS1Y76aYHLAa+MTbOzIbjptjWqsCBj1Fki6850asDZhY8X+hPesyIU9iSi2V/HOH7F2QBei2lO/Z8N5G9RtZMr+ORY9AAB4nyKfXVECjt6iXs= Received: from PH7P220CA0013.NAMP220.PROD.OUTLOOK.COM (2603:10b6:510:326::30) by SA0PR12MB4352.namprd12.prod.outlook.com (2603:10b6:806:9c::9) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.7784.16; Fri, 19 Jul 2024 17:51:29 +0000 Received: from SN1PEPF00036F41.namprd05.prod.outlook.com (2603:10b6:510:326:cafe::43) by PH7P220CA0013.outlook.office365.com (2603:10b6:510:326::30) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.7784.20 via Frontend Transport; Fri, 19 Jul 2024 17:51:29 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 165.204.84.17) smtp.mailfrom=amd.com; dkim=none (message not signed) header.d=none;dmarc=pass action=none header.from=amd.com; Received-SPF: Pass (protection.outlook.com: domain of amd.com designates 165.204.84.17 as permitted sender) receiver=protection.outlook.com; client-ip=165.204.84.17; helo=SATLEXMB03.amd.com; pr=C Received: from SATLEXMB03.amd.com (165.204.84.17) by SN1PEPF00036F41.mail.protection.outlook.com (10.167.248.25) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.7784.11 via Frontend Transport; Fri, 19 Jul 2024 17:51:28 +0000 Received: from SATLEXMB04.amd.com (10.181.40.145) by SATLEXMB03.amd.com (10.181.40.144) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.39; Fri, 19 Jul 2024 12:51:27 -0500 Received: from xsjlizhih51.xilinx.com (10.180.168.240) by SATLEXMB04.amd.com (10.181.40.145) with Microsoft SMTP Server id 15.1.2507.39 via Frontend Transport; Fri, 19 Jul 2024 12:51:27 -0500 From: Lizhi Hou To: , CC: Lizhi Hou , , , , Subject: [PATCH V1 08/10] accel/amdxdna: Add error handling Date: Fri, 19 Jul 2024 10:51:26 -0700 Message-ID: <20240719175128.2257677-9-lizhi.hou@amd.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240719175128.2257677-1-lizhi.hou@amd.com> References: <20240719175128.2257677-1-lizhi.hou@amd.com> MIME-Version: 1.0 Received-SPF: None (SATLEXMB03.amd.com: lizhi.hou@amd.com does not designate permitted sender hosts) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SN1PEPF00036F41:EE_|SA0PR12MB4352:EE_ X-MS-Office365-Filtering-Correlation-Id: 17ab6a7c-c282-4f08-d8b5-08dca81b6a5c X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; ARA:13230040|1800799024|82310400026|376014|36860700013; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:165.204.84.17; CTRY:US; LANG:en; SCL:1; SRV:; IPV:CAL; SFV:NSPM; H:SATLEXMB03.amd.com; PTR:InfoDomainNonexistent; CAT:NONE; SFS:(13230040)(1800799024)(82310400026)(376014)(36860700013); DIR:OUT; SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 19 Jul 2024 17:51:28.1039 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 17ab6a7c-c282-4f08-d8b5-08dca81b6a5c X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d; Ip=[165.204.84.17]; Helo=[SATLEXMB03.amd.com] X-MS-Exchange-CrossTenant-AuthSource: SN1PEPF00036F41.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SA0PR12MB4352 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" When there is a hardware error, the NPU firmware notifies the host through a mailbox message. The message includes details of the error, such as the tile and column indexes where the error occurred. The driver starts a thread to handle the NPU error message. The thread stops the clients which are using the column where error occurred. Then the driver resets that column. Co-developed-by: Min Ma Signed-off-by: Min Ma Signed-off-by: Lizhi Hou --- drivers/accel/amdxdna/Makefile | 1 + drivers/accel/amdxdna/aie2_error.c | 349 +++++++++++++++++++++++++++ drivers/accel/amdxdna/aie2_message.c | 19 ++ drivers/accel/amdxdna/aie2_pci.c | 32 +++ drivers/accel/amdxdna/aie2_pci.h | 9 + 5 files changed, 410 insertions(+) create mode 100644 drivers/accel/amdxdna/aie2_error.c diff --git a/drivers/accel/amdxdna/Makefile b/drivers/accel/amdxdna/Makefile index 7040e23d0ec6..69d97f678a09 100644 --- a/drivers/accel/amdxdna/Makefile +++ b/drivers/accel/amdxdna/Makefile @@ -2,6 +2,7 @@ amdxdna-y := \ aie2_ctx.o \ + aie2_error.o \ aie2_message.o \ aie2_pci.o \ aie2_psp.o \ diff --git a/drivers/accel/amdxdna/aie2_error.c b/drivers/accel/amdxdna/aie2_error.c new file mode 100644 index 000000000000..6ad8449bd1d3 --- /dev/null +++ b/drivers/accel/amdxdna/aie2_error.c @@ -0,0 +1,349 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (C) 2023-2024, Advanced Micro Devices, Inc. + */ + +#include +#include +#include +#include "aie2_msg_priv.h" +#include "aie2_pci.h" + +struct async_event { + struct amdxdna_dev_hdl *ndev; + struct async_event_msg_resp resp; + struct workqueue_struct *wq; + struct work_struct work; + u8 *buf; + dma_addr_t addr; + u32 size; +}; + +struct async_events { + struct workqueue_struct *wq; + u8 *buf; + dma_addr_t addr; + u32 size; + u32 event_cnt; + struct async_event event[] __counted_by(event_cnt); +}; + +/* + * Below enum, struct and lookup tables are porting from XAIE util header file. + * + * Below data is defined by AIE device and it is used for decode error message + * from the device. + */ + +enum aie_module_type { + AIE_MEM_MOD = 0, + AIE_CORE_MOD, + AIE_PL_MOD, +}; + +enum aie_error_category { + AIE_ERROR_SATURATION = 0, + AIE_ERROR_FP, + AIE_ERROR_STREAM, + AIE_ERROR_ACCESS, + AIE_ERROR_BUS, + AIE_ERROR_INSTRUCTION, + AIE_ERROR_ECC, + AIE_ERROR_LOCK, + AIE_ERROR_DMA, + AIE_ERROR_MEM_PARITY, + /* Unknown is not from XAIE, added for better category */ + AIE_ERROR_UNKNOWN, +}; + +/* Don't pack, unless XAIE side changed */ +struct aie_error { + u8 row; + u8 col; + enum aie_module_type mod_type; + u8 event_id; +}; + +struct aie_err_info { + u32 err_cnt; + u32 ret_code; + u32 rsvd; + struct aie_error payload[] __counted_by(err_cnt); +}; + +struct aie_event_category { + u8 event_id; + enum aie_error_category category; +}; + +#define EVENT_CATEGORY(id, cat) { id, cat } +static const struct aie_event_category aie_ml_mem_event_cat[] = { + EVENT_CATEGORY(88U, AIE_ERROR_ECC), + EVENT_CATEGORY(90U, AIE_ERROR_ECC), + EVENT_CATEGORY(91U, AIE_ERROR_MEM_PARITY), + EVENT_CATEGORY(92U, AIE_ERROR_MEM_PARITY), + EVENT_CATEGORY(93U, AIE_ERROR_MEM_PARITY), + EVENT_CATEGORY(94U, AIE_ERROR_MEM_PARITY), + EVENT_CATEGORY(95U, AIE_ERROR_MEM_PARITY), + EVENT_CATEGORY(96U, AIE_ERROR_MEM_PARITY), + EVENT_CATEGORY(97U, AIE_ERROR_DMA), + EVENT_CATEGORY(98U, AIE_ERROR_DMA), + EVENT_CATEGORY(99U, AIE_ERROR_DMA), + EVENT_CATEGORY(100U, AIE_ERROR_DMA), + EVENT_CATEGORY(101U, AIE_ERROR_LOCK), +}; + +static const struct aie_event_category aie_ml_core_event_cat[] = { + EVENT_CATEGORY(55U, AIE_ERROR_ACCESS), + EVENT_CATEGORY(56U, AIE_ERROR_STREAM), + EVENT_CATEGORY(57U, AIE_ERROR_STREAM), + EVENT_CATEGORY(58U, AIE_ERROR_BUS), + EVENT_CATEGORY(59U, AIE_ERROR_INSTRUCTION), + EVENT_CATEGORY(60U, AIE_ERROR_ACCESS), + EVENT_CATEGORY(62U, AIE_ERROR_ECC), + EVENT_CATEGORY(64U, AIE_ERROR_ECC), + EVENT_CATEGORY(65U, AIE_ERROR_ACCESS), + EVENT_CATEGORY(66U, AIE_ERROR_ACCESS), + EVENT_CATEGORY(67U, AIE_ERROR_LOCK), + EVENT_CATEGORY(70U, AIE_ERROR_INSTRUCTION), + EVENT_CATEGORY(71U, AIE_ERROR_STREAM), + EVENT_CATEGORY(72U, AIE_ERROR_BUS), +}; + +static const struct aie_event_category aie_ml_mem_tile_event_cat[] = { + EVENT_CATEGORY(130U, AIE_ERROR_ECC), + EVENT_CATEGORY(132U, AIE_ERROR_ECC), + EVENT_CATEGORY(133U, AIE_ERROR_DMA), + EVENT_CATEGORY(134U, AIE_ERROR_DMA), + EVENT_CATEGORY(135U, AIE_ERROR_STREAM), + EVENT_CATEGORY(136U, AIE_ERROR_STREAM), + EVENT_CATEGORY(137U, AIE_ERROR_STREAM), + EVENT_CATEGORY(138U, AIE_ERROR_BUS), + EVENT_CATEGORY(139U, AIE_ERROR_LOCK), +}; + +static const struct aie_event_category aie_ml_shim_tile_event_cat[] = { + EVENT_CATEGORY(64U, AIE_ERROR_BUS), + EVENT_CATEGORY(65U, AIE_ERROR_STREAM), + EVENT_CATEGORY(66U, AIE_ERROR_STREAM), + EVENT_CATEGORY(67U, AIE_ERROR_BUS), + EVENT_CATEGORY(68U, AIE_ERROR_BUS), + EVENT_CATEGORY(69U, AIE_ERROR_BUS), + EVENT_CATEGORY(70U, AIE_ERROR_BUS), + EVENT_CATEGORY(71U, AIE_ERROR_BUS), + EVENT_CATEGORY(72U, AIE_ERROR_DMA), + EVENT_CATEGORY(73U, AIE_ERROR_DMA), + EVENT_CATEGORY(74U, AIE_ERROR_LOCK), +}; + +static enum aie_error_category +aie_get_error_category(u8 row, u8 event_id, enum aie_module_type mod_type) +{ + const struct aie_event_category *lut; + int num_entry; + int i; + + switch (mod_type) { + case AIE_PL_MOD: + lut = aie_ml_shim_tile_event_cat; + num_entry = ARRAY_SIZE(aie_ml_shim_tile_event_cat); + break; + case AIE_CORE_MOD: + lut = aie_ml_core_event_cat; + num_entry = ARRAY_SIZE(aie_ml_core_event_cat); + break; + case AIE_MEM_MOD: + if (row == 1) { + lut = aie_ml_mem_tile_event_cat; + num_entry = ARRAY_SIZE(aie_ml_mem_tile_event_cat); + } else { + lut = aie_ml_mem_event_cat; + num_entry = ARRAY_SIZE(aie_ml_mem_event_cat); + } + break; + default: + return AIE_ERROR_UNKNOWN; + } + + for (i = 0; i < num_entry; i++) { + if (event_id != lut[i].event_id) + continue; + + return lut[i].category; + } + + return AIE_ERROR_UNKNOWN; +} + +static u32 aie2_error_backtrack(struct amdxdna_dev_hdl *ndev, void *err_info, u32 num_err) +{ + struct aie_error *errs = err_info; + u32 err_col = 0; /* assume that AIE has less than 32 columns */ + int i; + + /* Get err column bitmap */ + for (i = 0; i < num_err; i++) { + struct aie_error *err = &errs[i]; + enum aie_error_category cat; + + cat = aie_get_error_category(err->row, err->event_id, err->mod_type); + XDNA_ERR(ndev->xdna, "Row: %d, Col: %d, module %d, event ID %d, category %d", + err->row, err->col, err->mod_type, + err->event_id, cat); + + if (err->col >= 32) { + XDNA_WARN(ndev->xdna, "Invalid column number"); + break; + } + + err_col |= (1 << err->col); + } + + return err_col; +} + +static int aie2_error_async_cb(void *handle, const u32 *data, size_t size) +{ + struct async_event_msg_resp *resp; + struct async_event *e = handle; + + if (data) { + resp = (struct async_event_msg_resp *)data; + e->resp.type = resp->type; + wmb(); /* Update status in the end, so that no lock for here */ + e->resp.status = resp->status; + } + queue_work(e->wq, &e->work); + return 0; +} + +static int aie2_error_event_send(struct async_event *e) +{ + drm_clflush_virt_range(e->buf, e->size); /* device can access */ + return aie2_register_asyn_event_msg(e->ndev, e->addr, e->size, e, + aie2_error_async_cb); +} + +static void aie2_error_worker(struct work_struct *err_work) +{ + struct aie_err_info *info; + struct amdxdna_dev *xdna; + struct async_event *e; + u32 max_err; + u32 err_col; + + e = container_of(err_work, struct async_event, work); + + xdna = e->ndev->xdna; + + if (e->resp.status == MAX_AIE2_STATUS_CODE) + return; + + e->resp.status = MAX_AIE2_STATUS_CODE; + + print_hex_dump_debug("AIE error: ", DUMP_PREFIX_OFFSET, 16, 4, + e->buf, 0x100, false); + + info = (struct aie_err_info *)e->buf; + XDNA_DBG(xdna, "Error count %d return code %d", info->err_cnt, info->ret_code); + + max_err = (e->size - sizeof(*info)) / sizeof(struct aie_error); + if (unlikely(info->err_cnt > max_err)) { + WARN_ONCE(1, "Error count too large %d\n", info->err_cnt); + return; + } + err_col = aie2_error_backtrack(e->ndev, info->payload, info->err_cnt); + if (!err_col) { + XDNA_WARN(xdna, "Did not get error column"); + return; + } + + mutex_lock(&xdna->dev_lock); + /* Re-sent this event to firmware */ + if (aie2_error_event_send(e)) + XDNA_WARN(xdna, "Unable to register async event"); + mutex_unlock(&xdna->dev_lock); +} + +int aie2_error_async_events_send(struct amdxdna_dev_hdl *ndev) +{ + struct amdxdna_dev *xdna = ndev->xdna; + struct async_event *e; + int i, ret; + + drm_WARN_ON(&xdna->ddev, !mutex_is_locked(&xdna->dev_lock)); + for (i = 0; i < ndev->async_events->event_cnt; i++) { + e = &ndev->async_events->event[i]; + ret = aie2_error_event_send(e); + if (ret) + return ret; + } + + return 0; +} + +void aie2_error_async_events_free(struct amdxdna_dev_hdl *ndev) +{ + struct amdxdna_dev *xdna = ndev->xdna; + struct async_events *events; + + events = ndev->async_events; + destroy_workqueue(events->wq); + dma_free_noncoherent(xdna->ddev.dev, events->size, events->buf, + events->addr, DMA_FROM_DEVICE); + kfree(events); +} + +int aie2_error_async_events_alloc(struct amdxdna_dev_hdl *ndev) +{ + struct amdxdna_dev *xdna = ndev->xdna; + u32 total_col = ndev->total_col; + u32 total_size = ASYNC_BUF_SIZE * total_col; + struct async_events *events; + int i, ret; + + events = kzalloc(struct_size(events, event, total_col), GFP_KERNEL); + if (!events) + return -ENOMEM; + + events->buf = dma_alloc_noncoherent(xdna->ddev.dev, total_size, &events->addr, + DMA_FROM_DEVICE, GFP_KERNEL); + if (!events->buf) { + ret = -ENOMEM; + goto free_events; + } + events->size = total_size; + events->event_cnt = total_col; + + events->wq = alloc_ordered_workqueue("async_wq", 0); + if (!events->wq) { + ret = -ENOMEM; + goto free_buf; + } + + for (i = 0; i < events->event_cnt; i++) { + struct async_event *e = &events->event[i]; + u32 offset = i * ASYNC_BUF_SIZE; + + e->ndev = ndev; + e->wq = events->wq; + e->buf = &events->buf[offset]; + e->addr = events->addr + offset; + e->size = ASYNC_BUF_SIZE; + e->resp.status = MAX_AIE2_STATUS_CODE; + INIT_WORK(&e->work, aie2_error_worker); + } + + ndev->async_events = events; + + XDNA_DBG(xdna, "Async event count %d, buf total size 0x%x", + events->event_cnt, events->size); + return 0; + +free_buf: + dma_free_noncoherent(xdna->ddev.dev, events->size, events->buf, + events->addr, DMA_FROM_DEVICE); +free_events: + kfree(events); + return ret; +} diff --git a/drivers/accel/amdxdna/aie2_message.c b/drivers/accel/amdxdna/aie2_message.c index fd9650db524f..b36205b1a71b 100644 --- a/drivers/accel/amdxdna/aie2_message.c +++ b/drivers/accel/amdxdna/aie2_message.c @@ -292,6 +292,25 @@ int aie2_map_host_buf(struct amdxdna_dev_hdl *ndev, u32 context_id, u64 addr, u6 return 0; } +int aie2_register_asyn_event_msg(struct amdxdna_dev_hdl *ndev, dma_addr_t addr, u32 size, + void *handle, int (*cb)(void*, const u32 *, size_t)) +{ + struct async_event_msg_req req = { 0 }; + struct xdna_mailbox_msg msg = { + .send_data = (u8 *)&req, + .send_size = sizeof(req), + .handle = handle, + .opcode = MSG_OP_REGISTER_ASYNC_EVENT_MSG, + .notify_cb = cb, + }; + + req.buf_addr = addr; + req.buf_size = size; + + XDNA_DBG(ndev->xdna, "Register addr 0x%llx size 0x%x", addr, size); + return xdna_mailbox_send_msg(ndev->mgmt_chann, &msg, TX_TIMEOUT); +} + int aie2_config_cu(struct amdxdna_hwctx *hwctx) { struct mailbox_channel *chann = hwctx->priv->mbox_chann; diff --git a/drivers/accel/amdxdna/aie2_pci.c b/drivers/accel/amdxdna/aie2_pci.c index 18c3f37d2324..127ebab93dde 100644 --- a/drivers/accel/amdxdna/aie2_pci.c +++ b/drivers/accel/amdxdna/aie2_pci.c @@ -169,6 +169,15 @@ static int aie2_mgmt_fw_init(struct amdxdna_dev_hdl *ndev) return ret; } + if (!ndev->async_events) + return 0; + + ret = aie2_error_async_events_send(ndev); + if (ret) { + XDNA_ERR(ndev->xdna, "Send async events failed"); + return ret; + } + return 0; } @@ -463,9 +472,30 @@ static int aie2_init(struct amdxdna_dev *xdna) goto stop_hw; } + ret = aie2_error_async_events_alloc(ndev); + if (ret) { + XDNA_ERR(xdna, "Allocate async events failed, ret %d", ret); + goto stop_hw; + } + + ret = aie2_error_async_events_send(ndev); + if (ret) { + XDNA_ERR(xdna, "Send async events failed, ret %d", ret); + goto async_event_free; + } + + /* Issue a command to make sure firmware handled async events */ + ret = aie2_query_firmware_version(ndev, &ndev->xdna->fw_ver); + if (ret) { + XDNA_ERR(xdna, "Re-query firmware version failed"); + goto async_event_free; + } + release_firmware(fw); return 0; +async_event_free: + aie2_error_async_events_free(ndev); stop_hw: aie2_hw_stop(xdna); disable_sva: @@ -481,8 +511,10 @@ static int aie2_init(struct amdxdna_dev *xdna) static void aie2_fini(struct amdxdna_dev *xdna) { struct pci_dev *pdev = to_pci_dev(xdna->ddev.dev); + struct amdxdna_dev_hdl *ndev = xdna->dev_handle; aie2_hw_stop(xdna); + aie2_error_async_events_free(ndev); iommu_dev_disable_feature(&pdev->dev, IOMMU_DEV_FEAT_SVA); pci_free_irq_vectors(pdev); } diff --git a/drivers/accel/amdxdna/aie2_pci.h b/drivers/accel/amdxdna/aie2_pci.h index 113395ab5e33..30dde8376504 100644 --- a/drivers/accel/amdxdna/aie2_pci.h +++ b/drivers/accel/amdxdna/aie2_pci.h @@ -173,6 +173,7 @@ struct amdxdna_dev_hdl { /* Mailbox and the management channel */ struct mailbox *mbox; struct mailbox_channel *mgmt_chann; + struct async_events *async_events; }; #define DEFINE_BAR_OFFSET(reg_name, bar, reg_addr) \ @@ -213,6 +214,12 @@ struct psp_device *aie2m_psp_create(struct device *dev, struct psp_config *conf) int aie2_psp_start(struct psp_device *psp); void aie2_psp_stop(struct psp_device *psp); +/* aie2_error.c */ +int aie2_error_async_events_alloc(struct amdxdna_dev_hdl *ndev); +void aie2_error_async_events_free(struct amdxdna_dev_hdl *ndev); +int aie2_error_async_events_send(struct amdxdna_dev_hdl *ndev); +int aie2_error_async_msg_thread(void *data); + /* aie2_message.c */ int aie2_suspend_fw(struct amdxdna_dev_hdl *ndev); int aie2_resume_fw(struct amdxdna_dev_hdl *ndev); @@ -227,6 +234,8 @@ int aie2_query_firmware_version(struct amdxdna_dev_hdl *ndev, int aie2_create_context(struct amdxdna_dev_hdl *ndev, struct amdxdna_hwctx *hwctx); int aie2_destroy_context(struct amdxdna_dev_hdl *ndev, struct amdxdna_hwctx *hwctx); int aie2_map_host_buf(struct amdxdna_dev_hdl *ndev, u32 context_id, u64 addr, u64 size); +int aie2_register_asyn_event_msg(struct amdxdna_dev_hdl *ndev, dma_addr_t addr, u32 size, + void *handle, int (*cb)(void*, const u32 *, size_t)); int aie2_config_cu(struct amdxdna_hwctx *hwctx); int aie2_execbuf(struct amdxdna_hwctx *hwctx, struct amdxdna_sched_job *job, int (*notify_cb)(void *, const u32 *, size_t));