From patchwork Thu Jun 13 08:22:06 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Omer Shpigelman X-Patchwork-Id: 13696315 Received: from mail02.habana.ai (habanamailrelay02.habana.ai [62.90.112.121]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C722913D538; Thu, 13 Jun 2024 08:22:48 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=62.90.112.121 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718266972; cv=none; b=JpdNRhnm7a5oo3g+36LUQhl7/eboVM+xxi5w63GJXxQ85pbts1YB7Wdi+xvWfG65SIw9uNa93iJLnLA24jY2rWa7eGx4RxEzeIylE+9AAXNpsHx3VpxQZiLbDSrCQXVBe/bLrItad/WQqGZaTGGpENLL8ueb+foczyRQQn6KmIE= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718266972; c=relaxed/simple; bh=M7wZn0UxKXEqx8ziArw59I3EDA6htSQBuO29cRdRXvs=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=tfIHGkClub/Wi0HI/tj1sHURRjhrsEEooJ+9LhqjhVHVDmLf2KQpBpw5rF8yEZgeVn0X9UfkcQMt//+3MvYGZuxb8r9K4n6Qp4tI72pgQJo54F/FXt8SMb9c11YfkN2iqfbh4X8cXDUwHJ4/lo3c3qhkiNuKYtM9IoaJZ07NrD8= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=habana.ai; spf=pass smtp.mailfrom=habana.ai; dkim=pass (2048-bit key) header.d=habana.ai header.i=@habana.ai header.b=LQUmOdM0; arc=none smtp.client-ip=62.90.112.121 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=habana.ai Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=habana.ai Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=habana.ai header.i=@habana.ai header.b="LQUmOdM0" Received: internal info suppressed DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=habana.ai; s=default; t=1718266939; bh=M7wZn0UxKXEqx8ziArw59I3EDA6htSQBuO29cRdRXvs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=LQUmOdM07jjl2Tj43fN7a3LJrLnHW44CHjarwXyTBIeao+6AkD4RWZqesIUWslR6y VKFDJ+NJocbT+5sgayRDDxWqSy0Y22p4Rx9fhzfQfIVC9cPoWxtGl/5I4UgauWF7PT GRc2GjR6bXk3S+VibRb77UsHvhUQjqh8YzMW9UmoJqsZVWjcxkAePFdiq+w7JM0DHD uent7rEd88tDFZ6jtMrnZ+DBGvE/7wRIQajPjuQgWbPwPmI1Lxmbwj+rsdPLAckdxS ssxqKTUkg/ygwcHhZApaZo4KmTAJ/8XlGtJ5zJsLTw0zXX8l2qk8rhIgJjpuCdzIag peED5CpJY+FCg== Received: from oshpigelman-vm-u22.habana-labs.com (localhost [127.0.0.1]) by oshpigelman-vm-u22.habana-labs.com (8.15.2/8.15.2/Debian-22ubuntu3) with ESMTP id 45D8M8hi1440009; Thu, 13 Jun 2024 11:22:11 +0300 From: Omer Shpigelman To: linux-kernel@vger.kernel.org, linux-rdma@vger.kernel.org, netdev@vger.kernel.org, dri-devel@lists.freedesktop.org Cc: ogabbay@kernel.org, oshpigelman@habana.ai, zyehudai@habana.ai Subject: [PATCH 13/15] accel/habanalabs: network scaling support Date: Thu, 13 Jun 2024 11:22:06 +0300 Message-Id: <20240613082208.1439968-14-oshpigelman@habana.ai> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240613082208.1439968-1-oshpigelman@habana.ai> References: <20240613082208.1439968-1-oshpigelman@habana.ai> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Add common support for AI scaling over the network. Initialize the hbl_cn driver via auxiliary bus and serve as its adapter for accessing the device. Signed-off-by: Omer Shpigelman Co-developed-by: Abhilash K V Signed-off-by: Abhilash K V Co-developed-by: Andrey Agranovich Signed-off-by: Andrey Agranovich Co-developed-by: Bharat Jauhari Signed-off-by: Bharat Jauhari Co-developed-by: David Meriin Signed-off-by: David Meriin Co-developed-by: Sagiv Ozeri Signed-off-by: Sagiv Ozeri Co-developed-by: Zvika Yehudai Signed-off-by: Zvika Yehudai --- drivers/accel/habanalabs/Kconfig | 1 + drivers/accel/habanalabs/Makefile | 3 + drivers/accel/habanalabs/cn/Makefile | 2 + drivers/accel/habanalabs/cn/cn.c | 815 ++++++++++++++++++ drivers/accel/habanalabs/cn/cn.h | 133 +++ .../habanalabs/common/command_submission.c | 2 +- drivers/accel/habanalabs/common/device.c | 23 + drivers/accel/habanalabs/common/firmware_if.c | 20 + drivers/accel/habanalabs/common/habanalabs.h | 43 +- .../accel/habanalabs/common/habanalabs_drv.c | 37 +- .../habanalabs/common/habanalabs_ioctl.c | 2 + drivers/accel/habanalabs/common/memory.c | 123 +++ drivers/accel/habanalabs/gaudi/gaudi.c | 14 +- drivers/accel/habanalabs/gaudi2/gaudi2.c | 14 +- .../accel/habanalabs/gaudi2/gaudi2_security.c | 16 +- drivers/accel/habanalabs/goya/goya.c | 6 + .../include/hw_ip/nic/nic_general.h | 15 + include/uapi/drm/habanalabs_accel.h | 10 +- 18 files changed, 1251 insertions(+), 28 deletions(-) create mode 100644 drivers/accel/habanalabs/cn/Makefile create mode 100644 drivers/accel/habanalabs/cn/cn.c create mode 100644 drivers/accel/habanalabs/cn/cn.h create mode 100644 drivers/accel/habanalabs/include/hw_ip/nic/nic_general.h diff --git a/drivers/accel/habanalabs/Kconfig b/drivers/accel/habanalabs/Kconfig index be85336107f9..dcc8d294b761 100644 --- a/drivers/accel/habanalabs/Kconfig +++ b/drivers/accel/habanalabs/Kconfig @@ -13,6 +13,7 @@ config DRM_ACCEL_HABANALABS select DMA_SHARED_BUFFER select CRC32 select FW_LOADER + select AUXILIARY_BUS help Enables PCIe card driver for Habana's AI Processors (AIP) that are designed to accelerate Deep Learning inference and training workloads. diff --git a/drivers/accel/habanalabs/Makefile b/drivers/accel/habanalabs/Makefile index 98510cdd5066..37e216689d1a 100644 --- a/drivers/accel/habanalabs/Makefile +++ b/drivers/accel/habanalabs/Makefile @@ -8,6 +8,9 @@ obj-$(CONFIG_DRM_ACCEL_HABANALABS) := habanalabs.o include $(src)/common/Makefile habanalabs-y += $(HL_COMMON_FILES) +include $(src)/cn/Makefile +habanalabs-y += $(HL_CN_FILES) + include $(src)/gaudi2/Makefile habanalabs-y += $(HL_GAUDI2_FILES) diff --git a/drivers/accel/habanalabs/cn/Makefile b/drivers/accel/habanalabs/cn/Makefile new file mode 100644 index 000000000000..b90d5a93a632 --- /dev/null +++ b/drivers/accel/habanalabs/cn/Makefile @@ -0,0 +1,2 @@ +# SPDX-License-Identifier: GPL-2.0-only +HL_CN_FILES := cn/cn.o diff --git a/drivers/accel/habanalabs/cn/cn.c b/drivers/accel/habanalabs/cn/cn.c new file mode 100644 index 000000000000..29e4c2292391 --- /dev/null +++ b/drivers/accel/habanalabs/cn/cn.c @@ -0,0 +1,815 @@ +// SPDX-License-Identifier: GPL-2.0 + +/* + * Copyright 2020-2024 HabanaLabs, Ltd. + * Copyright (C) 2023-2024, Intel Corporation. + * All Rights Reserved. + */ + +#include "cn.h" + +#include "../common/habanalabs.h" +#include + +static int hl_cn_send_empty_status(struct hl_device *hdev, int port) +{ + struct hl_cn_funcs *cn_funcs = hdev->asic_funcs->cn_funcs; + struct cpucp_nic_status status = {}; + struct hl_cn_properties *cn_props; + struct cpucp_nic_status_packet *pkt; + size_t total_pkt_size, data_size; + u64 result; + int rc; + + cn_props = &hdev->asic_prop.cn_props; + data_size = cn_props->status_packet_size; + + total_pkt_size = sizeof(struct cpucp_nic_status_packet) + data_size; + + /* data should be aligned to 8 bytes in order to CPU-CP to copy it */ + total_pkt_size = (total_pkt_size + 0x7) & ~0x7; + + /* total_pkt_size is casted to u16 later on */ + if (total_pkt_size > USHRT_MAX) { + dev_err(hdev->dev, "NIC status data is too big\n"); + rc = -EINVAL; + goto out; + } + + pkt = kzalloc(total_pkt_size, GFP_KERNEL); + if (!pkt) { + rc = -ENOMEM; + goto out; + } + + status.port = cpu_to_le32(port); + status.up = false; + + pkt->length = cpu_to_le32(data_size / sizeof(u32)); + memcpy(&pkt->data, &status, data_size); + + pkt->cpucp_pkt.ctl = cpu_to_le32(CPUCP_PACKET_NIC_STATUS << CPUCP_PKT_CTL_OPCODE_SHIFT); + + rc = hdev->asic_funcs->send_cpu_message(hdev, (u32 *) pkt, total_pkt_size, 0, &result); + + if (rc) + dev_err(hdev->dev, "failed to send NIC status, port %d\n", port); + + kfree(pkt); +out: + cn_funcs->port_funcs->post_send_status(hdev, port); + + return rc; +} + +static bool hl_cn_device_operational(struct hbl_aux_dev *aux_dev) +{ + struct hl_cn *cn = container_of(aux_dev, struct hl_cn, cn_aux_dev); + struct hl_device *hdev = container_of(cn, struct hl_device, cn); + + return hl_device_operational(hdev, NULL); +} + +static void hl_cn_hw_access_lock(struct hbl_aux_dev *aux_dev) + __acquires(&hdev->cn.hw_access_lock) +{ + struct hl_cn *cn = container_of(aux_dev, struct hl_cn, cn_aux_dev); + struct hl_device *hdev = container_of(cn, struct hl_device, cn); + + mutex_lock(&hdev->cn.hw_access_lock); +} + +static void hl_cn_hw_access_unlock(struct hbl_aux_dev *aux_dev) + __releases(&hdev->cn.hw_access_lock) +{ + struct hl_cn *cn = container_of(aux_dev, struct hl_cn, cn_aux_dev); + struct hl_device *hdev = container_of(cn, struct hl_device, cn); + + mutex_unlock(&hdev->cn.hw_access_lock); +} + +static void hl_cn_device_reset(struct hbl_aux_dev *aux_dev) +{ + struct hl_cn *cn = container_of(aux_dev, struct hl_cn, cn_aux_dev); + struct hl_device *hdev = container_of(cn, struct hl_device, cn); + + hl_device_reset(hdev, HL_DRV_RESET_HARD); +} + +void *hl_cn_dma_alloc_coherent(struct hbl_aux_dev *aux_dev, size_t size, + dma_addr_t *dma_handle, gfp_t flag) +{ + struct hl_cn *cn = container_of(aux_dev, struct hl_cn, cn_aux_dev); + struct hl_device *hdev = container_of(cn, struct hl_device, cn); + + return hl_asic_dma_alloc_coherent(hdev, size, dma_handle, flag); +} + +void hl_cn_dma_free_coherent(struct hbl_aux_dev *aux_dev, size_t size, void *cpu_addr, + dma_addr_t dma_handle) +{ + struct hl_cn *cn = container_of(aux_dev, struct hl_cn, cn_aux_dev); + struct hl_device *hdev = container_of(cn, struct hl_device, cn); + + hl_asic_dma_free_coherent(hdev, size, cpu_addr, dma_handle); +} + +void *hl_cn_dma_pool_zalloc(struct hbl_aux_dev *aux_dev, size_t size, gfp_t mem_flags, + dma_addr_t *dma_handle) +{ + struct hl_cn *cn = container_of(aux_dev, struct hl_cn, cn_aux_dev); + struct hl_device *hdev = container_of(cn, struct hl_device, cn); + + return hl_asic_dma_pool_zalloc(hdev, size, mem_flags, dma_handle); +} + +void hl_cn_dma_pool_free(struct hbl_aux_dev *aux_dev, void *vaddr, dma_addr_t dma_addr) +{ + struct hl_cn *cn = container_of(aux_dev, struct hl_cn, cn_aux_dev); + struct hl_device *hdev = container_of(cn, struct hl_device, cn); + + hl_asic_dma_pool_free(hdev, vaddr, dma_addr); +} + +static int hl_cn_vm_dev_mmu_map(struct hbl_aux_dev *aux_dev, u64 vm_handle, + enum hbl_cn_mem_type mem_type, u64 addr, u64 dva, size_t size) + +{ + struct hl_cn *cn = container_of(aux_dev, struct hl_cn, cn_aux_dev); + + return hl_map_vmalloc_range(cn->ctx, addr, dva, size); +} + +static void hl_cn_vm_dev_mmu_unmap(struct hbl_aux_dev *aux_dev, u64 vm_handle, u64 dva, size_t size) +{ + struct hl_cn *cn = container_of(aux_dev, struct hl_cn, cn_aux_dev); + struct hl_device *hdev = container_of(cn, struct hl_device, cn); + int rc; + + rc = hl_unmap_vmalloc_range(cn->ctx, dva); + if (rc) + dev_crit(hdev->dev, "Failed to unmap dva 0x%llx with size 0x%lx, err %d\n", dva, + size, rc); +} + +static int hl_cn_vm_reserve_dva_block(struct hbl_aux_dev *aux_dev, u64 vm_handle, u64 size, + u64 *dva) +{ + struct hl_cn *cn = container_of(aux_dev, struct hl_cn, cn_aux_dev); + struct hl_device *hdev = container_of(cn, struct hl_device, cn); + u64 addr; + + addr = hl_reserve_va_block(hdev, cn->ctx, HL_VA_RANGE_TYPE_HOST, size, PAGE_SIZE); + if (!addr) + return -ENOMEM; + + *dva = addr; + + return 0; +} + +static void hl_cn_vm_unreserve_dva_block(struct hbl_aux_dev *aux_dev, u64 vm_handle, u64 dva, + u64 size) +{ + struct hl_cn *cn = container_of(aux_dev, struct hl_cn, cn_aux_dev); + struct hl_device *hdev = container_of(cn, struct hl_device, cn); + + hl_unreserve_va_block(hdev, cn->ctx, dva, size); +} + +void hl_cn_spmu_get_stats_info(struct hbl_aux_dev *aux_dev, u32 port, struct hbl_cn_stat **stats, + u32 *n_stats) +{ + struct hl_cn *cn = container_of(aux_dev, struct hl_cn, cn_aux_dev); + struct hl_device *hdev = container_of(cn, struct hl_device, cn); + struct hl_cn_port_funcs *port_funcs = hdev->asic_funcs->cn_funcs->port_funcs; + + port_funcs->spmu_get_stats_info(hdev, port, stats, n_stats); +} + +int hl_cn_spmu_config(struct hbl_aux_dev *aux_dev, u32 port, u32 num_event_types, u32 event_types[], + bool enable) +{ + struct hl_cn *cn = container_of(aux_dev, struct hl_cn, cn_aux_dev); + struct hl_device *hdev = container_of(cn, struct hl_device, cn); + struct hl_cn_port_funcs *port_funcs = hdev->asic_funcs->cn_funcs->port_funcs; + + return port_funcs->spmu_config(hdev, port, num_event_types, event_types, enable); +} + +int hl_cn_spmu_sample(struct hbl_aux_dev *aux_dev, u32 port, u32 num_out_data, u64 out_data[]) +{ + struct hl_cn *cn = container_of(aux_dev, struct hl_cn, cn_aux_dev); + struct hl_device *hdev = container_of(cn, struct hl_device, cn); + struct hl_cn_port_funcs *port_funcs = hdev->asic_funcs->cn_funcs->port_funcs; + + return port_funcs->spmu_sample(hdev, port, num_out_data, out_data); +} + +int hl_cn_poll_reg(struct hbl_aux_dev *aux_dev, u32 reg, u64 timeout_us, hbl_cn_poll_cond_func func, + void *arg) +{ + struct hl_cn *cn = container_of(aux_dev, struct hl_cn, cn_aux_dev); + struct hl_device *hdev = container_of(cn, struct hl_device, cn); + u32 val; + + return hl_poll_timeout(hdev, reg, val, func(val, arg), 1000, timeout_us); +} + +int hl_cn_send_cpu_message(struct hbl_aux_dev *aux_dev, u32 *msg, u16 len, u32 timeout, u64 *result) +{ + struct hl_cn *cn = container_of(aux_dev, struct hl_cn, cn_aux_dev); + struct hl_device *hdev = container_of(cn, struct hl_device, cn); + + return hdev->asic_funcs->send_cpu_message(hdev, msg, len, timeout, result); +} + +void hl_cn_post_send_status(struct hbl_aux_dev *aux_dev, u32 port) +{ + struct hl_cn *cn = container_of(aux_dev, struct hl_cn, cn_aux_dev); + struct hl_device *hdev = container_of(cn, struct hl_device, cn); + struct hl_cn_port_funcs *port_funcs = hdev->asic_funcs->cn_funcs->port_funcs; + + port_funcs->post_send_status(hdev, port); +} + +static u32 hl_cn_dram_readl(struct hbl_aux_dev *aux_dev, u64 addr) +{ + struct hl_cn *cn = container_of(aux_dev, struct hl_cn, cn_aux_dev); + struct hl_device *hdev = container_of(cn, struct hl_device, cn); + u64 val = 0; + int rc; + + rc = hdev->asic_funcs->access_dev_mem(hdev, PCI_REGION_DRAM, addr, &val, DEBUGFS_READ32); + if (rc) + dev_crit(hdev->dev, "Failed to readl from dev_mem addr 0x%llx\n", addr); + + return val; +} + +static void hl_cn_dram_writel(struct hbl_aux_dev *aux_dev, u32 val, u64 addr) +{ + struct hl_cn *cn = container_of(aux_dev, struct hl_cn, cn_aux_dev); + struct hl_device *hdev = container_of(cn, struct hl_device, cn); + u64 data = val; + int rc; + + rc = hdev->asic_funcs->access_dev_mem(hdev, PCI_REGION_DRAM, addr, &data, DEBUGFS_WRITE32); + if (rc) + dev_crit(hdev->dev, "Failed to writel to dev_mem addr 0x%llx\n", addr); +} + +static u32 hl_cn_rreg(struct hbl_aux_dev *aux_dev, u32 reg) +{ + struct hl_cn *cn = container_of(aux_dev, struct hl_cn, cn_aux_dev); + struct hl_device *hdev = container_of(cn, struct hl_device, cn); + + return hdev->asic_funcs->rreg(hdev, reg); +} + +static void hl_cn_wreg(struct hbl_aux_dev *aux_dev, u32 reg, u32 val) +{ + struct hl_cn *cn = container_of(aux_dev, struct hl_cn, cn_aux_dev); + struct hl_device *hdev = container_of(cn, struct hl_device, cn); + + return hdev->asic_funcs->wreg(hdev, reg, val); +} + +static int hl_cn_get_reg_pcie_addr(struct hbl_aux_dev *aux_dev, u32 reg, u64 *pci_addr) +{ + struct hl_cn *cn = container_of(aux_dev, struct hl_cn, cn_aux_dev); + struct hl_device *hdev = container_of(cn, struct hl_device, cn); + + return hdev->asic_funcs->get_reg_pcie_addr(hdev, reg, pci_addr); +} + +static int hl_cn_register_cn_user_context(struct hbl_aux_dev *aux_dev, int user_fd, + const void *cn_ctx, u64 *comp_handle, u64 *vm_handle) +{ + struct hl_cn *cn = container_of(aux_dev, struct hl_cn, cn_aux_dev); + struct hl_device *hdev = container_of(cn, struct hl_device, cn); + struct drm_file *file_priv; + struct hl_fpriv *hpriv; + struct file *file; + int rc = 0; + + if (atomic_cmpxchg(&cn->ctx_registered, 0, 1)) { + dev_dbg(hdev->dev, "user context is already registered\n"); + return -EBUSY; + } + + /* CN driver can independently manage its resources and context. + * However, for HL devices, corresponding HW resources can also be managed by compute side. + * To avoid contention (e.g. abrupt application close) between them, enforce orderly FD + * closure. This facilitates that CN destroy runs first, followed by compute fini. + */ + file = fget(user_fd); + if (!file || !hl_check_fd(file)) { + rc = -EBADF; + goto file_err; + } + + mutex_lock(&hdev->fpriv_list_lock); + + if (list_empty(&hdev->fpriv_list)) { + dev_dbg(hdev->dev, "no open user context\n"); + rc = -ESRCH; + goto open_ctx_err; + } + + /* The list should contain a single element as currently only a single user context is + * allowed. Therefore get the first entry. + */ + hpriv = list_first_entry(&hdev->fpriv_list, struct hl_fpriv, dev_node); + + file_priv = file->private_data; + if (hpriv != file_priv->driver_priv) { + dev_dbg(hdev->dev, "user FD mismatch\n"); + rc = -EINVAL; + goto fd_mismatch_err; + } + + mutex_unlock(&hdev->fpriv_list_lock); + + /* these must have different values to allow data transfer */ + *comp_handle = 0; + *vm_handle = 1; + + return 0; + +fd_mismatch_err: +open_ctx_err: + mutex_unlock(&hdev->fpriv_list_lock); + fput(file); +file_err: + atomic_set(&cn->ctx_registered, 0); + + return rc; +} + +static void hl_cn_deregister_cn_user_context(struct hbl_aux_dev *aux_dev, u64 vm_handle) +{ + struct hl_cn *cn = container_of(aux_dev, struct hl_cn, cn_aux_dev); + struct hl_device *hdev = container_of(cn, struct hl_device, cn); + struct hl_fpriv *hpriv; + struct file *file; + + mutex_lock(&hdev->fpriv_list_lock); + hpriv = list_first_entry(&hdev->fpriv_list, struct hl_fpriv, dev_node); + mutex_unlock(&hdev->fpriv_list_lock); + + file = hpriv->file_priv->filp; + + /* We can assert here that all CN resources which might have dependency on compute side are + * already released. Hence, release reference to compute file. + */ + fput(file); + + atomic_set(&cn->ctx_registered, 0); +} + +static int hl_cn_vm_create(struct hbl_aux_dev *aux_dev, u64 comp_handle, u32 flags, u64 *vm_handle) +{ + *vm_handle = 0; + + return 0; +} + +static void hl_cn_vm_destroy(struct hbl_aux_dev *aux_dev, u64 vm_handle) +{ + +} + +static int hl_cn_get_vm_info(struct hbl_aux_dev *aux_dev, u64 vm_handle, + struct hbl_cn_vm_info *vm_info) +{ + vm_info->mmu_mode = HBL_CN_MMU_MODE_EXTERNAL; + vm_info->ext_mmu.work_id = 1; + + return 0; +} + +static void hl_cn_get_cpucp_info(struct hbl_aux_dev *aux_dev, + struct hbl_cn_cpucp_info *hl_cn_cpucp_info) +{ + struct hl_cn *cn = container_of(aux_dev, struct hl_cn, cn_aux_dev); + struct hl_device *hdev = container_of(cn, struct hl_device, cn); + struct hbl_cn_cpucp_info *cn_cpucp_info; + + cn_cpucp_info = &hdev->asic_prop.cn_props.cpucp_info; + + memcpy(hl_cn_cpucp_info, cn_cpucp_info, sizeof(*cn_cpucp_info)); +} + +static void hl_cn_cpucp_info_le_to_cpu(struct cpucp_nic_info *cpucp_nic_info, + struct hbl_cn_cpucp_info *hbl_cn_cpucp_info) +{ + int i; + + for (i = 0 ; i < CPUCP_MAX_NICS ; i++) { + memcpy(&hbl_cn_cpucp_info->mac_addrs[i], &cpucp_nic_info->mac_addrs[i], + sizeof(cpucp_nic_info->mac_addrs[i])); + hbl_cn_cpucp_info->tx_swap_map[i] = le16_to_cpu(cpucp_nic_info->tx_swap_map[i]); + } + + for (i = 0 ; i < CPUCP_NIC_MASK_ARR_LEN ; i++) { + hbl_cn_cpucp_info->link_mask[i] = le64_to_cpu(cpucp_nic_info->link_mask[i]); + hbl_cn_cpucp_info->link_ext_mask[i] = le64_to_cpu(cpucp_nic_info->link_ext_mask[i]); + hbl_cn_cpucp_info->auto_neg_mask[i] = le64_to_cpu(cpucp_nic_info->auto_neg_mask[i]); + } + + for (i = 0 ; i < CPUCP_NIC_POLARITY_ARR_LEN ; i++) { + hbl_cn_cpucp_info->pol_tx_mask[i] = le64_to_cpu(cpucp_nic_info->pol_tx_mask[i]); + hbl_cn_cpucp_info->pol_rx_mask[i] = le64_to_cpu(cpucp_nic_info->pol_rx_mask[i]); + } + + hbl_cn_cpucp_info->serdes_type = (enum cpucp_serdes_type) + le16_to_cpu(cpucp_nic_info->serdes_type); + + memcpy(hbl_cn_cpucp_info->qsfp_eeprom, cpucp_nic_info->qsfp_eeprom, + sizeof(cpucp_nic_info->qsfp_eeprom)); +} + +static int hl_cn_get_asic_type(struct hl_device *hdev, enum hbl_cn_asic_type *asic_type) + +{ + switch (hdev->asic_type) { + case ASIC_GAUDI2: + case ASIC_GAUDI2B: + case ASIC_GAUDI2C: + *asic_type = HBL_ASIC_GAUDI2; + break; + default: + dev_err(hdev->dev, "Unrecognized ASIC type %d\n", hdev->asic_type); + return -EINVAL; + } + + return 0; +} + +static int hl_cn_aux_data_init(struct hl_device *hdev) +{ + struct hl_cn_funcs *cn_funcs = hdev->asic_funcs->cn_funcs; + struct asic_fixed_properties *asic_props = &hdev->asic_prop; + struct hbl_cn_aux_data *aux_data; + struct hbl_cn_aux_ops *aux_ops; + struct hl_cn *cn = &hdev->cn; + struct hbl_aux_dev *aux_dev; + u64 dram_kmd_size; + int rc; + + aux_data = kzalloc(sizeof(*aux_data), GFP_KERNEL); + if (!aux_data) + return -ENOMEM; + + aux_ops = kzalloc(sizeof(*aux_ops), GFP_KERNEL); + if (!aux_ops) { + rc = -ENOMEM; + goto free_aux_data; + } + + aux_dev = &cn->cn_aux_dev; + aux_dev->aux_data = aux_data; + aux_dev->aux_ops = aux_ops; + aux_dev->type = HBL_AUX_DEV_CN; + + aux_data->pdev = hdev->pdev; + aux_data->dev = hdev->dev; + aux_data->ports_mask = cn->ports_mask; + aux_data->ext_ports_mask = cn->eth_ports_mask; + aux_data->auto_neg_mask = cn->auto_neg_mask; + aux_data->fw_ver = asic_props->cpucp_info.cpucp_version; + aux_data->nic_drv_addr = asic_props->nic_drv_addr; + aux_data->nic_drv_size = asic_props->nic_drv_size; + aux_data->macro_cfg_size = asic_props->macro_cfg_size; + aux_data->pending_reset_long_timeout = hdev->pldm ? HL_PLDM_HARD_RESET_MAX_TIMEOUT : + HL_HARD_RESET_MAX_TIMEOUT; + aux_data->id = hdev->cdev_idx; + aux_data->pldm = hdev->pldm; + aux_data->skip_phy_init = hdev->cn.skip_phy_init; + aux_data->load_phy_fw = hdev->cn.load_fw; + aux_data->cpucp_fw = !!(hdev->fw_components & FW_TYPE_BOOT_CPU); + aux_data->supports_coresight = hdev->supports_coresight; + aux_data->use_fw_serdes_info = cn->use_fw_serdes_info; + aux_data->cache_line_size = asic_props->cache_line_size; + aux_data->clk = asic_props->clk; + aux_data->kernel_asid = HL_KERNEL_ASID_ID; + aux_data->card_location = cn->card_location; + aux_data->mmu_enable = true; + aux_data->lanes_per_port = cn->lanes_per_port; + aux_data->device_timeout = HL_DEVICE_TIMEOUT_USEC; + aux_data->fw_major_version = hdev->fw_inner_major_ver; + aux_data->fw_minor_version = hdev->fw_inner_minor_ver; + aux_data->fw_app_cpu_boot_dev_sts0 = asic_props->fw_app_cpu_boot_dev_sts0; + aux_data->fw_app_cpu_boot_dev_sts1 = asic_props->fw_app_cpu_boot_dev_sts1; + aux_data->cpucp_checkers_shift = NIC_CHECKERS_CHECK_SHIFT; + + rc = hl_cn_get_asic_type(hdev, &aux_data->asic_type); + if (rc) { + dev_err(hdev->dev, "failed to set eth aux data asic type\n"); + goto free_aux_ops; + } + + dram_kmd_size = asic_props->dram_user_base_address - asic_props->dram_base_address; + aux_data->dram_size = (asic_props->dram_size < dram_kmd_size) ? 0 : dram_kmd_size; + + /* set cn -> accel ops */ + aux_ops->device_operational = hl_cn_device_operational; + aux_ops->hw_access_lock = hl_cn_hw_access_lock; + aux_ops->hw_access_unlock = hl_cn_hw_access_unlock; + aux_ops->device_reset = hl_cn_device_reset; + aux_ops->vm_dev_mmu_map = hl_cn_vm_dev_mmu_map; + aux_ops->vm_dev_mmu_unmap = hl_cn_vm_dev_mmu_unmap; + aux_ops->vm_reserve_dva_block = hl_cn_vm_reserve_dva_block; + aux_ops->vm_unreserve_dva_block = hl_cn_vm_unreserve_dva_block; + aux_ops->dram_readl = hl_cn_dram_readl; + aux_ops->dram_writel = hl_cn_dram_writel; + aux_ops->rreg = hl_cn_rreg; + aux_ops->wreg = hl_cn_wreg; + aux_ops->get_reg_pcie_addr = hl_cn_get_reg_pcie_addr; + aux_ops->register_cn_user_context = hl_cn_register_cn_user_context; + aux_ops->deregister_cn_user_context = hl_cn_deregister_cn_user_context; + aux_ops->vm_create = hl_cn_vm_create; + aux_ops->vm_destroy = hl_cn_vm_destroy; + aux_ops->get_vm_info = hl_cn_get_vm_info; + aux_ops->poll_reg = hl_cn_poll_reg; + aux_ops->get_cpucp_info = hl_cn_get_cpucp_info; + + cn_funcs->set_cn_data(hdev); + + return 0; + +free_aux_ops: + kfree(aux_ops); +free_aux_data: + kfree(aux_data); + + return rc; +} + +static void hl_cn_aux_data_fini(struct hl_device *hdev) +{ + struct hbl_aux_dev *aux_dev = &hdev->cn.cn_aux_dev; + + kfree(aux_dev->aux_ops); + kfree(aux_dev->aux_data); +} + +static void cn_adev_release(struct device *dev) +{ + struct hbl_aux_dev *aux_dev = container_of(dev, struct hbl_aux_dev, adev.dev); + struct hl_cn *cn = container_of(aux_dev, struct hl_cn, cn_aux_dev); + + cn->is_cn_aux_dev_initialized = false; +} + +static int hl_cn_aux_drv_init(struct hl_device *hdev) +{ + struct hl_cn *cn = &hdev->cn; + struct hbl_aux_dev *aux_dev = &cn->cn_aux_dev; + struct auxiliary_device *adev; + int rc; + + rc = hl_cn_aux_data_init(hdev); + if (rc) { + dev_err(hdev->dev, "CN aux data init failed\n"); + return rc; + } + + adev = &aux_dev->adev; + adev->id = hdev->id; + adev->name = "cn"; + adev->dev.parent = hdev->dev; + adev->dev.release = cn_adev_release; + + rc = auxiliary_device_init(adev); + if (rc) { + dev_err(hdev->dev, "CN auxiliary_device_init failed\n"); + goto aux_data_free; + } + + rc = auxiliary_device_add(adev); + if (rc) { + dev_err(hdev->dev, "CN auxiliary_device_add failed\n"); + goto uninit_adev; + } + + cn->is_cn_aux_dev_initialized = true; + + return 0; + +uninit_adev: + auxiliary_device_uninit(adev); +aux_data_free: + hl_cn_aux_data_fini(hdev); + + return rc; +} + +static void hl_cn_aux_drv_fini(struct hl_device *hdev) +{ + struct hl_cn *cn = &hdev->cn; + struct auxiliary_device *adev; + + if (!cn->is_cn_aux_dev_initialized) + return; + + adev = &cn->cn_aux_dev.adev; + + auxiliary_device_delete(adev); + auxiliary_device_uninit(adev); + + hl_cn_aux_data_fini(hdev); +} + +int hl_cn_reopen(struct hl_device *hdev) +{ + struct hl_cn_funcs *cn_funcs = hdev->asic_funcs->cn_funcs; + struct hbl_aux_dev *aux_dev = &hdev->cn.cn_aux_dev; + struct hbl_cn_aux_ops *aux_ops = aux_dev->aux_ops; + int rc; + + /* check if the NIC is enabled */ + if (!hdev->cn.ports_mask) + return 0; + + if (aux_ops->ports_reopen) { + rc = aux_ops->ports_reopen(aux_dev); + if (rc) { + dev_err(hdev->dev, "Failed to reopen the eth ports, %d\n", rc); + return rc; + } + } + + cn_funcs->set_hw_cap(hdev, true); + + return 0; +} + +int hl_cn_init(struct hl_device *hdev) +{ + struct hl_cn_properties *cn_props = &hdev->asic_prop.cn_props; + struct hl_cn_funcs *cn_funcs = hdev->asic_funcs->cn_funcs; + struct hl_cn *cn = &hdev->cn; + int rc; + + /* + * In init flow we initialize the NIC ports from scratch. In hard reset + * flow, we get here after the NIC ports were halted, hence we only need to reopen them. + */ + if (hdev->reset_info.in_reset) + return hl_cn_reopen(hdev); + + cn->ports_mask &= GENMASK(cn_props->max_num_of_ports - 1, 0); + cn->ports_ext_mask &= cn->ports_mask; + cn->auto_neg_mask &= cn->ports_mask; + + /* check if the NIC is enabled */ + if (!hdev->cn.ports_mask) + return 0; + + rc = cn_funcs->pre_core_init(hdev); + if (rc) { + dev_err(hdev->dev, "Failed to pre init the NIC, %d\n", rc); + return rc; + } + + /* check if all ports are disabled by the FW */ + if (!hdev->cn.ports_mask) { + dev_dbg(hdev->dev, "all NIC ports are disabled by the FW\n"); + return 0; + } + + cn->eth_ports_mask = hdev->cn.eth_on_internal ? hdev->cn.ports_mask : + hdev->cn.ports_ext_mask; + + /* verify the kernel module name as the auxiliary drivers will bind according to it */ + WARN_ONCE(strcmp(HL_NAME, KBUILD_MODNAME), + "habanalabs name not in sync with kernel module name"); + + rc = hl_cn_aux_drv_init(hdev); + if (rc) { + dev_err(hdev->dev, "Failed to init CN driver, %d\n", rc); + return rc; + } + + cn_funcs->set_hw_cap(hdev, true); + + cn->is_initialized = true; + + return 0; +} + +void hl_cn_fini(struct hl_device *hdev) +{ + struct hl_cn *cn = &hdev->cn; + + /* The NIC capability bit of each ASIC cannot be used as a prerequisite for this function, + * as we may arrive here after a failing hard reset w/o calling to hl_cn_reopen(). + * But we can check if the NIC is totally disabled. + */ + if (!hdev->cn.ports_mask) + return; + + if (!cn->is_initialized) + return; + + hl_cn_aux_drv_fini(hdev); + + cn->is_initialized = false; +} + +void hl_cn_stop(struct hl_device *hdev) +{ + struct hl_cn_funcs *cn_funcs = hdev->asic_funcs->cn_funcs; + struct hl_cn *cn = &hdev->cn; + struct hbl_cn_aux_ops *aux_ops; + struct hbl_aux_dev *aux_dev; + + aux_dev = &cn->cn_aux_dev; + aux_ops = aux_dev->aux_ops; + + if (!cn_funcs->get_hw_cap(hdev)) + return; + + if (aux_ops->ports_stop) + aux_ops->ports_stop(aux_dev); + + /* Set NIC as not initialized. */ + cn_funcs->set_hw_cap(hdev, false); +} + +void hl_cn_hard_reset_prepare(struct hl_device *hdev, bool fw_reset) +{ + struct hl_cn_funcs *cn_funcs = hdev->asic_funcs->cn_funcs; + + if (!cn_funcs->get_hw_cap(hdev)) + return; + + cn_funcs->port_funcs->ports_stop_prepare(hdev, fw_reset, hdev->device_fini_pending); +} + +int hl_cn_send_status(struct hl_device *hdev, int port, u8 cmd, u8 period) +{ + struct hl_cn_funcs *cn_funcs = hdev->asic_funcs->cn_funcs; + + if (!cn_funcs->get_hw_cap(hdev)) { + if (cmd != HBL_CN_STATUS_PERIODIC_STOP) + return hl_cn_send_empty_status(hdev, port); + return 0; + } + + return cn_funcs->port_funcs->send_port_cpucp_status(hdev, port, cmd, period); +} + +void hl_cn_synchronize_irqs(struct hl_device *hdev) +{ + struct hl_cn_funcs *cn_funcs = hdev->asic_funcs->cn_funcs; + struct hbl_aux_dev *aux_dev = &hdev->cn.cn_aux_dev; + struct hbl_cn_aux_ops *aux_ops; + + aux_ops = aux_dev->aux_ops; + + if (!cn_funcs->get_hw_cap(hdev)) + return; + + if (aux_ops->synchronize_irqs) + aux_ops->synchronize_irqs(aux_dev); +} + +int hl_cn_cpucp_info_get(struct hl_device *hdev) +{ + struct asic_fixed_properties *prop = &hdev->asic_prop; + struct cpucp_nic_info *cpucp_nic_info; + dma_addr_t cpucp_nic_info_dma_addr; + int rc; + + cpucp_nic_info = hl_cpu_accessible_dma_pool_alloc(hdev, + sizeof(struct cpucp_nic_info), + &cpucp_nic_info_dma_addr); + if (!cpucp_nic_info) { + dev_err(hdev->dev, + "Failed to allocate DMA memory for CPU-CP NIC info packet\n"); + return -ENOMEM; + } + + memset(cpucp_nic_info, 0, sizeof(struct cpucp_nic_info)); + + /* Unfortunately, 0 is a valid type in this field from f/w perspective, + * so to support older f/w where they don't return this field, put + * here the max value so when converting serdes type to server type, + * we will put the UNKNOWN value into the server type. + */ + cpucp_nic_info->serdes_type = cpu_to_le16(U16_MAX); + + rc = hl_fw_cpucp_nic_info_get(hdev, cpucp_nic_info_dma_addr); + if (rc) + goto out; + + hl_cn_cpucp_info_le_to_cpu(cpucp_nic_info, &prop->cn_props.cpucp_info); + +out: + hl_cpu_accessible_dma_pool_free(hdev, sizeof(struct cpucp_nic_info), cpucp_nic_info); + + return 0; +} diff --git a/drivers/accel/habanalabs/cn/cn.h b/drivers/accel/habanalabs/cn/cn.h new file mode 100644 index 000000000000..8cab5423aaca --- /dev/null +++ b/drivers/accel/habanalabs/cn/cn.h @@ -0,0 +1,133 @@ +/* SPDX-License-Identifier: GPL-2.0 + * + * Copyright 2020-2024 HabanaLabs, Ltd. + * Copyright (C) 2023-2024, Intel Corporation. + * All Rights Reserved. + * + */ + +#ifndef CN_H_ +#define CN_H_ + +#include +#include + +#include +#include +#include + +#include + +struct hl_device; +struct hl_ctx; + +#define NIC_MACRO_CFG_SIZE hdev->asic_prop.macro_cfg_size +#define NIC_MACRO_CFG_BASE(port) (NIC_MACRO_CFG_SIZE * ((port) >> 1)) +#define NIC_MACRO_WREG32(reg, val) WREG32(NIC_MACRO_CFG_BASE(port) + (reg), (val)) + +/** + * struct hl_cn - habanalabs CN common structure. + * @cn_aux_dev: pointer to CN auxiliary device structure. + * @ctx: compute user context. + * @hw_access_lock: protects the HW access from CN flows. + * @ports_mask: contains mask of the CN ports that are enabled, as received from the f/w. This + * field can contain different values based on the server type + * @ports_ext_mask: contains mask of the CN ports that are external (used for scale-out), as + * received from the f/w. This field can contain different values based on the + * server type. + * @auto_neg_mask: mask of ports with Autonegotiation enabled. + * @eth_ports_mask: Ethernet ports enable mask. + * @ctx_registered: is user context registered. + * @card_location: the OAM number in the HLS (relevant for PMC card type). + * @lanes_per_port: number of physical lanes per port. + * @use_fw_serdes_info: true if NIC should use serdes values from F/W, false if CN should use hard + * coded values. + * @is_cn_aux_dev_initialized: true if the CN auxiliary device is initialized. + * @is_initialized: is device initialized. + * @load_fw: load PHY FW from ASIC path. + * @skip_phy_init: skip PHY init phase. + * @eth_on_internal: set internal ports as Ethernet ports. + */ +struct hl_cn { + struct hbl_aux_dev cn_aux_dev; + struct hl_ctx *ctx; + struct mutex hw_access_lock; + u64 ports_mask; + u64 ports_ext_mask; + u64 auto_neg_mask; + u64 eth_ports_mask; + atomic_t ctx_registered; + u32 card_location; + u8 lanes_per_port; + u8 use_fw_serdes_info; + u8 is_cn_aux_dev_initialized; + u8 is_initialized; + u8 load_fw; + u8 skip_phy_init; + u8 eth_on_internal; +}; + +/** + * struct hl_cn_port_funcs - ASIC specific CN functions that are called from common code for a + * specific port. + * @spmu_get_stats_info: get SPMU statistics information. + * @spmu_config: config the SPMU. + * @spmu_sample: read the SPMU counters. + * @post_send_status: ASIC-specific handler for post sending status packet to FW. + * @ports_stop_prepare: prepare the ports for a stop. + * @send_port_cpucp_status: Send port status to FW. + */ +struct hl_cn_port_funcs { + void (*spmu_get_stats_info)(struct hl_device *hdev, u32 port, struct hbl_cn_stat **stats, + u32 *n_stats); + int (*spmu_config)(struct hl_device *hdev, u32 port, u32 num_event_types, u32 event_types[], + bool enable); + int (*spmu_sample)(struct hl_device *hdev, u32 port, u32 num_out_data, u64 out_data[]); + void (*post_send_status)(struct hl_device *hdev, u32 port); + void (*ports_stop_prepare)(struct hl_device *hdev, bool fw_reset, bool in_teardown); + int (*send_port_cpucp_status)(struct hl_device *hdev, u32 port, u8 cmd, u8 period); +}; + +/** + * struct hl_cn_funcs - ASIC specific CN functions that are called from common code. + * @pre_core_init: NIC initializations to be done only once on device probe. + * @get_hw_cap: check rather HW capability bitmap is set for NIC. + * @set_hw_cap: set HW capability (on/off). + * @set_cn_data: ASIC data to be used by the CN driver. + * @port_funcs: functions called from common code for a specific NIC port. + */ +struct hl_cn_funcs { + int (*pre_core_init)(struct hl_device *hdev); + bool (*get_hw_cap)(struct hl_device *hdev); + void (*set_hw_cap)(struct hl_device *hdev, bool enable); + void (*set_cn_data)(struct hl_device *hdev); + struct hl_cn_port_funcs *port_funcs; +}; + +int hl_cn_init(struct hl_device *hdev); +void hl_cn_fini(struct hl_device *hdev); +void hl_cn_stop(struct hl_device *hdev); +int hl_cn_reopen(struct hl_device *hdev); +int hl_cn_send_status(struct hl_device *hdev, int port, u8 cmd, u8 period); +void hl_cn_hard_reset_prepare(struct hl_device *hdev, bool fw_reset); +void hl_cn_synchronize_irqs(struct hl_device *hdev); +int hl_cn_cpucp_info_get(struct hl_device *hdev); +void *hl_cn_dma_alloc_coherent(struct hbl_aux_dev *aux_dev, size_t size, dma_addr_t *dma_handle, + gfp_t flag); +void hl_cn_dma_free_coherent(struct hbl_aux_dev *aux_dev, size_t size, void *cpu_addr, + dma_addr_t dma_handle); +void *hl_cn_dma_pool_zalloc(struct hbl_aux_dev *aux_dev, size_t size, gfp_t mem_flags, + dma_addr_t *dma_handle); +void hl_cn_dma_pool_free(struct hbl_aux_dev *aux_dev, void *vaddr, dma_addr_t dma_addr); +void hl_cn_spmu_get_stats_info(struct hbl_aux_dev *aux_dev, u32 port, struct hbl_cn_stat **stats, + u32 *n_stats); +int hl_cn_spmu_config(struct hbl_aux_dev *aux_dev, u32 port, u32 num_event_types, u32 event_types[], + bool enable); +int hl_cn_spmu_sample(struct hbl_aux_dev *aux_dev, u32 port, u32 num_out_data, u64 out_data[]); +int hl_cn_poll_reg(struct hbl_aux_dev *aux_dev, u32 reg, u64 timeout_us, hbl_cn_poll_cond_func func, + void *arg); +int hl_cn_send_cpu_message(struct hbl_aux_dev *aux_dev, u32 *msg, u16 len, u32 timeout, + u64 *result); +void hl_cn_post_send_status(struct hbl_aux_dev *aux_dev, u32 port); + +#endif /* CN_H_ */ diff --git a/drivers/accel/habanalabs/common/command_submission.c b/drivers/accel/habanalabs/common/command_submission.c index 39e23d625a3c..bba6765100b2 100644 --- a/drivers/accel/habanalabs/common/command_submission.c +++ b/drivers/accel/habanalabs/common/command_submission.c @@ -2262,7 +2262,7 @@ static int cs_ioctl_signal_wait(struct hl_fpriv *hpriv, enum hl_cs_type cs_type, goto free_cs_chunk_array; } - if (!hdev->nic_ports_mask) { + if (!hdev->cn.ports_mask) { atomic64_inc(&ctx->cs_counters.validation_drop_cnt); atomic64_inc(&cntr->validation_drop_cnt); dev_err(hdev->dev, diff --git a/drivers/accel/habanalabs/common/device.c b/drivers/accel/habanalabs/common/device.c index 8f92445c5a90..bda3524fb1b4 100644 --- a/drivers/accel/habanalabs/common/device.c +++ b/drivers/accel/habanalabs/common/device.c @@ -963,6 +963,7 @@ static int device_early_init(struct hl_device *hdev) INIT_LIST_HEAD(&hdev->fpriv_ctrl_list); mutex_init(&hdev->fpriv_list_lock); mutex_init(&hdev->fpriv_ctrl_list_lock); + mutex_init(&hdev->cn.hw_access_lock); mutex_init(&hdev->clk_throttling.lock); return 0; @@ -1007,6 +1008,7 @@ static void device_early_fini(struct hl_device *hdev) mutex_destroy(&hdev->debug_lock); mutex_destroy(&hdev->send_cpu_message_lock); + mutex_destroy(&hdev->cn.hw_access_lock); mutex_destroy(&hdev->fpriv_list_lock); mutex_destroy(&hdev->fpriv_ctrl_list_lock); @@ -1251,6 +1253,10 @@ static void take_release_locks(struct hl_device *hdev) mutex_unlock(&hdev->fpriv_list_lock); mutex_lock(&hdev->fpriv_ctrl_list_lock); mutex_unlock(&hdev->fpriv_ctrl_list_lock); + + /* Flush CN flows */ + mutex_lock(&hdev->cn.hw_access_lock); + mutex_unlock(&hdev->cn.hw_access_lock); } static void hl_abort_waiting_for_completions(struct hl_device *hdev) @@ -1868,6 +1874,12 @@ int hl_device_reset(struct hl_device *hdev, u32 flags) goto out_err; } + rc = hdev->asic_funcs->cn_init(hdev); + if (rc) { + dev_err(hdev->dev, "Failed to init CN driver\n"); + goto out_err; + } + if (!hdev->asic_prop.fw_security_enabled) hl_fw_set_max_power(hdev); } else { @@ -2330,6 +2342,14 @@ int hl_device_init(struct hl_device *hdev) goto out_disabled; } + /* must be called after sysfs init for the auxiliary bus */ + rc = hdev->asic_funcs->cn_init(hdev); + if (rc) { + dev_err(hdev->dev, "Failed to init CN driver\n"); + rc = 0; + goto out_disabled; + } + /* Need to call this again because the max power might change, * depending on card type for certain ASICs */ @@ -2517,6 +2537,9 @@ void hl_device_fini(struct hl_device *hdev) hl_cb_pool_fini(hdev); + /* CN uses the kernel context for MMU mappings, therefore must be cleaned before it */ + hdev->asic_funcs->cn_fini(hdev); + /* Reset the H/W. It will be in idle state after this returns */ rc = hdev->asic_funcs->hw_fini(hdev, true, false); if (rc) diff --git a/drivers/accel/habanalabs/common/firmware_if.c b/drivers/accel/habanalabs/common/firmware_if.c index 4bd02778a970..52bbfa093ae3 100644 --- a/drivers/accel/habanalabs/common/firmware_if.c +++ b/drivers/accel/habanalabs/common/firmware_if.c @@ -1040,6 +1040,26 @@ int hl_fw_get_monitor_dump(struct hl_device *hdev, void *data) return rc; } +int hl_fw_cpucp_nic_info_get(struct hl_device *hdev, dma_addr_t cpucp_nic_info_dma_addr) +{ + struct cpucp_packet pkt = {}; + u64 result; + int rc; + + pkt.ctl = cpu_to_le32(CPUCP_PACKET_NIC_INFO_GET << + CPUCP_PKT_CTL_OPCODE_SHIFT); + pkt.addr = cpu_to_le64(cpucp_nic_info_dma_addr); + pkt.data_max_size = cpu_to_le32(sizeof(struct cpucp_nic_info)); + + rc = hdev->asic_funcs->send_cpu_message(hdev, (u32 *) &pkt, sizeof(pkt), + HL_CPUCP_INFO_TIMEOUT_USEC, &result); + if (rc) + dev_err(hdev->dev, + "Failed to handle CPU-CP NIC info pkt, error %d\n", rc); + + return rc; +} + int hl_fw_cpucp_pci_counters_get(struct hl_device *hdev, struct hl_info_pci_counters *counters) { diff --git a/drivers/accel/habanalabs/common/habanalabs.h b/drivers/accel/habanalabs/common/habanalabs.h index 48f0f3eea1ef..907e54ce0066 100644 --- a/drivers/accel/habanalabs/common/habanalabs.h +++ b/drivers/accel/habanalabs/common/habanalabs.h @@ -32,6 +32,7 @@ #include #include +#include "../cn/cn.h" #include "security.h" #define HL_NAME "habanalabs" @@ -542,11 +543,25 @@ struct hl_hints_range { u64 end_addr; }; +/** + * struct hl_cn_properties - ASIC specific properties. + * @cpucp_info: received various information from CPU-CP regarding the NIC + * H/W, e.g. MAC addresses. + * @status_packet_size: size of the status packet we are going to send to F/W. + * @max_num_of_ports: maximum number of ports supported by ASIC. + */ +struct hl_cn_properties { + struct hbl_cn_cpucp_info cpucp_info; + u32 status_packet_size; + u8 max_num_of_ports; +}; + /** * struct asic_fixed_properties - ASIC specific immutable properties. * @hw_queues_props: H/W queues properties. * @special_blocks: points to an array containing special blocks info. * @skip_special_blocks_cfg: special blocks skip configs. + * @cn_props: CN driver properties. * @cpucp_info: received various information from CPU-CP regarding the H/W, e.g. * available sensors. * @uboot_ver: F/W U-boot version. @@ -590,6 +605,9 @@ struct hl_hints_range { * @max_freq_value: current max clk frequency. * @engine_core_interrupt_reg_addr: interrupt register address for engine core to use * in order to raise events toward FW. + * @nic_drv_addr: base address for NIC driver on DRAM. + * @nic_drv_size: driver size reserved for NIC driver on DRAM. + * @macro_cfg_size: the size of the macro configuration space. * @clk_pll_index: clock PLL index that specify which PLL determines the clock * we display to the user * @mmu_pgt_size: MMU page tables total size. @@ -666,6 +684,7 @@ struct hl_hints_range { * @cache_line_size: device cache line size. * @server_type: Server type that the ASIC is currently installed in. * The value is according to enum hl_server_type in uapi file. + * @clk: clock frequency in MHz. * @completion_queues_count: number of completion queues. * @completion_mode: 0 - job based completion, 1 - cs based completion * @mme_master_slave_mode: 0 - Each MME works independently, 1 - MME works @@ -705,6 +724,7 @@ struct asic_fixed_properties { struct hw_queue_properties *hw_queues_props; struct hl_special_block_info *special_blocks; struct hl_skip_blocks_cfg skip_special_blocks_cfg; + struct hl_cn_properties cn_props; struct cpucp_info cpucp_info; char uboot_ver[VERSION_MAX_LEN]; char preboot_ver[VERSION_MAX_LEN]; @@ -742,6 +762,9 @@ struct asic_fixed_properties { u64 host_end_address; u64 max_freq_value; u64 engine_core_interrupt_reg_addr; + u64 nic_drv_addr; + u64 nic_drv_size; + u32 macro_cfg_size; u32 clk_pll_index; u32 mmu_pgt_size; u32 mmu_pte_size; @@ -796,6 +819,7 @@ struct asic_fixed_properties { u16 eq_interrupt_id; u16 cache_line_size; u16 server_type; + u16 clk; u8 completion_queues_count; u8 completion_mode; u8 mme_master_slave_mode; @@ -1562,10 +1586,14 @@ struct engines_data { * then the timeout is the default timeout for the specific * ASIC * @get_hw_state: retrieve the H/W state + * @cn_init: init the CN H/W and I/F. This should be called in the final stage of the init flow, as + * we must not have anything that might fail during its initialization after the CN init. + * @cn_fini: perform CN cleanup. * @pci_bars_map: Map PCI BARs. * @init_iatu: Initialize the iATU unit inside the PCI controller. * @rreg: Read a register. Needed for simulator support. * @wreg: Write a register. Needed for simulator support. + * @get_reg_pcie_addr: Retrieve pci address. * @halt_coresight: stop the ETF and ETR traces. * @ctx_init: context dependent initialization. * @ctx_fini: context dependent cleanup. @@ -1617,6 +1645,7 @@ struct engines_data { * @send_device_activity: indication to FW about device availability * @set_dram_properties: set DRAM related properties. * @set_binning_masks: set binning/enable masks for all relevant components. + * @cn_funcs: ASIC specific CN functions. */ struct hl_asic_funcs { int (*early_init)(struct hl_device *hdev); @@ -1692,10 +1721,13 @@ struct hl_asic_funcs { int (*get_monitor_dump)(struct hl_device *hdev, void *data); int (*send_cpu_message)(struct hl_device *hdev, u32 *msg, u16 len, u32 timeout, u64 *result); + int (*cn_init)(struct hl_device *hdev); + void (*cn_fini)(struct hl_device *hdev); int (*pci_bars_map)(struct hl_device *hdev); int (*init_iatu)(struct hl_device *hdev); u32 (*rreg)(struct hl_device *hdev, u32 reg); void (*wreg)(struct hl_device *hdev, u32 reg, u32 val); + int (*get_reg_pcie_addr)(struct hl_device *hdev, u32 reg, u64 *pci_addr); void (*halt_coresight)(struct hl_device *hdev, struct hl_ctx *ctx); int (*ctx_init)(struct hl_ctx *ctx); void (*ctx_fini)(struct hl_ctx *ctx); @@ -1751,6 +1783,7 @@ struct hl_asic_funcs { int (*send_device_activity)(struct hl_device *hdev, bool open); int (*set_dram_properties)(struct hl_device *hdev); int (*set_binning_masks)(struct hl_device *hdev); + struct hl_cn_funcs *cn_funcs; }; @@ -3234,6 +3267,7 @@ struct hl_reset_info { * @asic_prop: ASIC specific immutable properties. * @asic_funcs: ASIC specific functions. * @asic_specific: ASIC specific information to use only from ASIC files. + * @cn: CN common structure. * @vm: virtual memory manager for MMU. * @hwmon_dev: H/W monitor device. * @hl_chip_info: ASIC's sensors information. @@ -3353,7 +3387,6 @@ struct hl_reset_info { * @supports_ctx_switch: true if a ctx switch is required upon first submission. * @support_preboot_binning: true if we support read binning info from preboot. * @eq_heartbeat_received: indication that eq heartbeat event has received from FW. - * @nic_ports_mask: Controls which NIC ports are enabled. Used only for testing. * @fw_components: Controls which f/w components to load to the device. There are multiple f/w * stages and sometimes we want to stop at a certain stage. Used only for testing. * @mmu_disable: Disable the device MMU(s). Used only for testing. @@ -3413,6 +3446,7 @@ struct hl_device { struct asic_fixed_properties asic_prop; const struct hl_asic_funcs *asic_funcs; void *asic_specific; + struct hl_cn cn; struct hl_vm vm; struct device *hwmon_dev; struct hwmon_chip_info *hl_chip_info; @@ -3518,7 +3552,6 @@ struct hl_device { u8 eq_heartbeat_received; /* Parameters for bring-up to be upstreamed */ - u64 nic_ports_mask; u64 fw_components; u8 mmu_disable; u8 cpu_queues_enable; @@ -3843,6 +3876,8 @@ void hl_userptr_delete_list(struct hl_device *hdev, bool hl_userptr_is_pinned(struct hl_device *hdev, u64 addr, u32 size, struct list_head *userptr_list, struct hl_userptr **userptr); +int hl_map_vmalloc_range(struct hl_ctx *ctx, u64 vmalloc_va, u64 device_va, u64 size); +int hl_unmap_vmalloc_range(struct hl_ctx *ctx, u64 device_va); int hl_mmu_init(struct hl_device *hdev); void hl_mmu_fini(struct hl_device *hdev); @@ -3943,6 +3978,7 @@ int hl_fw_cpucp_handshake(struct hl_device *hdev, u32 boot_err1_reg); int hl_fw_get_eeprom_data(struct hl_device *hdev, void *data, size_t max_size); int hl_fw_get_monitor_dump(struct hl_device *hdev, void *data); +int hl_fw_cpucp_nic_info_get(struct hl_device *hdev, dma_addr_t cpucp_nic_info_dma_addr); int hl_fw_cpucp_pci_counters_get(struct hl_device *hdev, struct hl_info_pci_counters *counters); int hl_fw_cpucp_total_energy_get(struct hl_device *hdev, @@ -4059,6 +4095,9 @@ void hl_capture_engine_err(struct hl_device *hdev, u16 engine_id, u16 error_coun void hl_enable_err_info_capture(struct hl_error_info *captured_err_info); void hl_init_cpu_for_irq(struct hl_device *hdev); void hl_set_irq_affinity(struct hl_device *hdev, int irq); +int hl_get_hw_block_handle(struct hl_device *hdev, u64 address, + u64 *handle, u32 *size); +bool hl_check_fd(struct file *file); #ifdef CONFIG_DEBUG_FS diff --git a/drivers/accel/habanalabs/common/habanalabs_drv.c b/drivers/accel/habanalabs/common/habanalabs_drv.c index e542fd40e16c..cee81375bfdc 100644 --- a/drivers/accel/habanalabs/common/habanalabs_drv.c +++ b/drivers/accel/habanalabs/common/habanalabs_drv.c @@ -110,6 +110,11 @@ static const struct drm_driver hl_driver = { .num_ioctls = ARRAY_SIZE(hl_drm_ioctls) }; +bool hl_check_fd(struct file *filp) +{ + return (filp->f_op == &hl_fops); +} + /* * get_asic_type - translate device id to asic type * @@ -328,9 +333,27 @@ int hl_device_open_ctrl(struct inode *inode, struct file *filp) return rc; } +static u32 get_dev_nic_ports_mask(struct hl_device *hdev) +{ + enum hl_asic_type asic_type = hdev->asic_type; + u32 mask; + + switch (asic_type) { + case ASIC_GAUDI2: + case ASIC_GAUDI2B: + case ASIC_GAUDI2C: + /* 24 ports are supported */ + mask = 0xFFFFFF; + break; + default: + mask = 0; + } + + return mask; +} + static void set_driver_behavior_per_device(struct hl_device *hdev) { - hdev->nic_ports_mask = 0; hdev->fw_components = FW_TYPE_ALL_TYPES; hdev->cpu_queues_enable = 1; hdev->pldm = 0; @@ -338,6 +361,7 @@ static void set_driver_behavior_per_device(struct hl_device *hdev) hdev->bmc_enable = 1; hdev->reset_on_preboot_fail = 1; hdev->heartbeat = 1; + hdev->card_type = cpucp_card_type_pmc; } static void copy_kernel_module_params_to_device(struct hl_device *hdev) @@ -377,6 +401,8 @@ static void fixup_device_params_per_asic(struct hl_device *hdev, int timeout) static int fixup_device_params(struct hl_device *hdev) { + struct hl_cn *cn = &hdev->cn; + u32 dev_nic_ports_mask; int tmp_timeout; tmp_timeout = timeout_locked; @@ -405,6 +431,15 @@ static int fixup_device_params(struct hl_device *hdev) /* If CPU queues not enabled, no way to do heartbeat */ if (!hdev->cpu_queues_enable) hdev->heartbeat = 0; + + /* Adjust NIC ports parameters according to the device in-hand */ + dev_nic_ports_mask = get_dev_nic_ports_mask(hdev); + + cn->ports_mask = dev_nic_ports_mask; + cn->ports_ext_mask = dev_nic_ports_mask; + cn->auto_neg_mask = dev_nic_ports_mask; + cn->skip_phy_init = hdev->pldm; + fixup_device_params_per_asic(hdev, tmp_timeout); return 0; diff --git a/drivers/accel/habanalabs/common/habanalabs_ioctl.c b/drivers/accel/habanalabs/common/habanalabs_ioctl.c index 1dd6e23172ca..d8809c74ac0f 100644 --- a/drivers/accel/habanalabs/common/habanalabs_ioctl.c +++ b/drivers/accel/habanalabs/common/habanalabs_ioctl.c @@ -108,6 +108,8 @@ static int hw_ip_info(struct hl_device *hdev, struct hl_info_args *args) hw_ip.edma_enabled_mask = prop->edma_enabled_mask; hw_ip.server_type = prop->server_type; + hw_ip.nic_ports_mask = hdev->cn.ports_mask; + hw_ip.nic_ports_external_mask = hdev->cn.eth_ports_mask; hw_ip.security_enabled = prop->fw_security_enabled; hw_ip.revision_id = hdev->pdev->revision; hw_ip.rotator_enabled_mask = prop->rotator_enabled_mask; diff --git a/drivers/accel/habanalabs/common/memory.c b/drivers/accel/habanalabs/common/memory.c index 3348ad12c237..dd52b0ee0eef 100644 --- a/drivers/accel/habanalabs/common/memory.c +++ b/drivers/accel/habanalabs/common/memory.c @@ -1424,6 +1424,12 @@ static int map_block(struct hl_device *hdev, u64 address, u64 *handle, u32 *size return 0; } +int hl_get_hw_block_handle(struct hl_device *hdev, u64 address, + u64 *handle, u32 *size) +{ + return map_block(hdev, address, handle, size); +} + static void hw_block_vm_close(struct vm_area_struct *vma) { struct hl_vm_hw_block_list_node *lnode = @@ -2940,3 +2946,120 @@ void hl_hw_block_mem_fini(struct hl_ctx *ctx) mutex_destroy(&ctx->hw_block_list_lock); } + +/** + * hl_map_vmalloc_range - Map vmalloc allocation to PMMU. + * @ctx: Associated context. + * @vmalloc_va: Start vmalloc virtual address. + * @device_va: Start device virtual address. + * @size: Size of allocation to map. + * + * Return: 0 on success, -ve on failure. + */ +int hl_map_vmalloc_range(struct hl_ctx *ctx, u64 vmalloc_va, u64 device_va, u64 size) +{ + struct hl_device *hdev = ctx->hdev; + struct hl_userptr *userptr = NULL; + struct hl_vm_phys_pg_pack *phys_pg_pack = NULL; + struct hl_vm_hash_node *hnode; + int rc; + + /* + * Iterate through vmalloc pages and map them for DMA via sg-list. + * No need to pin the pages since we are mapping kernel memory which + * is never swapped out. + */ + rc = dma_map_host_va(hdev, vmalloc_va, size, &userptr); + if (rc) { + dev_err(hdev->dev, "DMA mapping failed, vaddr 0x%llx\n", vmalloc_va); + return rc; + } + + /* + * Create pack of host pages which we will later map to pmmu. + * Do not allow huge page optimization. We have pre allocated + * device VA with preset notion of alignment which is same as + * host page alignment. + */ + rc = init_phys_pg_pack_from_userptr(ctx, userptr, &phys_pg_pack, true); + if (rc) { + dev_err(hdev->dev, "Unable to init page pack, vaddr 0x%llx\n", vmalloc_va); + goto err_dma_unmap; + } + + /* Validate kernel host VA and device VA are aligned to pmmu page size. */ + if (device_va & (phys_pg_pack->page_size - 1) || + vmalloc_va & (phys_pg_pack->page_size - 1)) { + dev_err(hdev->dev, + "Unaligned mapping, host VA 0x%llx, device VA 0x%llx, page size 0x%x", + vmalloc_va, device_va, phys_pg_pack->page_size); + rc = -EINVAL; + goto err_free_page_pack; + } + + mutex_lock(&hdev->mmu_lock); + + /* Map page pack to pmmu */ + rc = map_phys_pg_pack(ctx, device_va, phys_pg_pack); + if (rc) { + mutex_unlock(&hdev->mmu_lock); + dev_err(hdev->dev, "Mapping page pack failed, vaddr 0x%llx, device VA 0x%llx\n", + vmalloc_va, device_va); + goto err_free_page_pack; + } + + rc = hl_mmu_invalidate_cache_range(hdev, + false, userptr->vm_type | MMU_OP_SKIP_LOW_CACHE_INV, + ctx->asid, device_va, phys_pg_pack->total_size); + + mutex_unlock(&hdev->mmu_lock); + + if (rc) + goto err_free_unmap_page_pack; + + /* + * Keep track of mapping. Add mapped chunk to global hash list. + * Context release uses this list for force release if this mapping + * is not released gracefully. + */ + hnode = kzalloc(sizeof(*hnode), GFP_KERNEL); + if (!hnode) { + rc = -ENOMEM; + goto err_free_unmap_page_pack; + } + + hnode->ptr = (void *) userptr; + hnode->vaddr = device_va; + + mutex_lock(&ctx->mem_hash_lock); + hash_add(ctx->mem_hash, &hnode->node, device_va); + mutex_unlock(&ctx->mem_hash_lock); + + free_phys_pg_pack(hdev, phys_pg_pack); + + return 0; + +err_free_unmap_page_pack: + unmap_phys_pg_pack(ctx, device_va, phys_pg_pack); +err_free_page_pack: + free_phys_pg_pack(hdev, phys_pg_pack); +err_dma_unmap: + dma_unmap_host_va(hdev, userptr); + return rc; +} + +/** + * hl_unmap_vmalloc_range - Unmap vmalloc allocation from PMMU. + * @ctx: Associated context. + * @device_va: Start device virtual address. + * + * Return: 0 on success, -ve on failure. + */ +int hl_unmap_vmalloc_range(struct hl_ctx *ctx, u64 device_va) +{ + struct hl_mem_in args = { + .unmap.device_virt_addr = device_va, + }; + + return unmap_device_va(ctx, &args, false); +} diff --git a/drivers/accel/habanalabs/gaudi/gaudi.c b/drivers/accel/habanalabs/gaudi/gaudi.c index f2b04ffb0ecb..e46bbe73fb82 100644 --- a/drivers/accel/habanalabs/gaudi/gaudi.c +++ b/drivers/accel/habanalabs/gaudi/gaudi.c @@ -1618,10 +1618,10 @@ static int gaudi_late_init(struct hl_device *hdev) } if ((hdev->card_type == cpucp_card_type_pci) && - (hdev->nic_ports_mask & 0x3)) { + (hdev->cn.ports_mask & 0x3)) { dev_info(hdev->dev, "PCI card detected, only 8 ports are enabled\n"); - hdev->nic_ports_mask &= ~0x3; + hdev->cn.ports_mask &= ~0x3; /* Stop and disable unused NIC QMANs */ WREG32(mmNIC0_QM0_GLBL_CFG1, NIC0_QM0_GLBL_CFG1_PQF_STOP_MASK | @@ -3243,7 +3243,7 @@ static void gaudi_init_nic_qmans(struct hl_device *hdev) mmNIC1_QM0_GLBL_CFG0 - mmNIC0_QM0_GLBL_CFG0; int i, nic_id, internal_q_index; - if (!hdev->nic_ports_mask) + if (!hdev->cn.ports_mask) return; if (gaudi->hw_cap_initialized & HW_CAP_NIC_MASK) @@ -3252,7 +3252,7 @@ static void gaudi_init_nic_qmans(struct hl_device *hdev) dev_dbg(hdev->dev, "Initializing NIC QMANs\n"); for (nic_id = 0 ; nic_id < NIC_NUMBER_OF_ENGINES ; nic_id++) { - if (!(hdev->nic_ports_mask & (1 << nic_id))) { + if (!(hdev->cn.ports_mask & (1 << nic_id))) { nic_offset += nic_delta_between_qmans; if (nic_id & 1) { nic_offset -= (nic_delta_between_qmans * 2); @@ -9117,6 +9117,11 @@ static int gaudi_send_device_activity(struct hl_device *hdev, bool open) return 0; } +static int gaudi_get_reg_pcie_addr(struct hl_device *hdev, u32 reg, u64 *pci_addr) +{ + return -EOPNOTSUPP; +} + static const struct hl_asic_funcs gaudi_funcs = { .early_init = gaudi_early_init, .early_fini = gaudi_early_fini, @@ -9172,6 +9177,7 @@ static const struct hl_asic_funcs gaudi_funcs = { .init_iatu = gaudi_init_iatu, .rreg = hl_rreg, .wreg = hl_wreg, + .get_reg_pcie_addr = gaudi_get_reg_pcie_addr, .halt_coresight = gaudi_halt_coresight, .ctx_init = gaudi_ctx_init, .ctx_fini = gaudi_ctx_fini, diff --git a/drivers/accel/habanalabs/gaudi2/gaudi2.c b/drivers/accel/habanalabs/gaudi2/gaudi2.c index fa1c4feb9f89..a22d2a93394e 100644 --- a/drivers/accel/habanalabs/gaudi2/gaudi2.c +++ b/drivers/accel/habanalabs/gaudi2/gaudi2.c @@ -3222,7 +3222,7 @@ static void gaudi2_init_arcs(struct hl_device *hdev) continue; if (gaudi2_is_arc_nic_owned(arc_id) && - !(hdev->nic_ports_mask & BIT_ULL(arc_id - CPU_ID_NIC_QMAN_ARC0))) + !(hdev->cn.ports_mask & BIT_ULL(arc_id - CPU_ID_NIC_QMAN_ARC0))) continue; if (gaudi2_is_arc_tpc_owned(arc_id) && !(gaudi2->tpc_hw_cap_initialized & @@ -3996,7 +3996,7 @@ static void gaudi2_stop_nic_qmans(struct hl_device *hdev) queue_id = GAUDI2_QUEUE_ID_NIC_0_0; for (i = 0 ; i < NIC_NUMBER_OF_ENGINES ; i++, queue_id += NUM_OF_PQ_PER_QMAN) { - if (!(hdev->nic_ports_mask & BIT(i))) + if (!(hdev->cn.ports_mask & BIT(i))) continue; reg_base = gaudi2_qm_blocks_bases[queue_id]; @@ -4192,7 +4192,7 @@ static void gaudi2_disable_nic_qmans(struct hl_device *hdev) queue_id = GAUDI2_QUEUE_ID_NIC_0_0; for (i = 0 ; i < NIC_NUMBER_OF_ENGINES ; i++, queue_id += NUM_OF_PQ_PER_QMAN) { - if (!(hdev->nic_ports_mask & BIT(i))) + if (!(hdev->cn.ports_mask & BIT(i))) continue; reg_base = gaudi2_qm_blocks_bases[queue_id]; @@ -4661,7 +4661,7 @@ static void gaudi2_nic_qmans_manual_flush(struct hl_device *hdev) queue_id = GAUDI2_QUEUE_ID_NIC_0_0; for (i = 0 ; i < NIC_NUMBER_OF_ENGINES ; i++, queue_id += NUM_OF_PQ_PER_QMAN) { - if (!(hdev->nic_ports_mask & BIT(i))) + if (!(hdev->cn.ports_mask & BIT(i))) continue; gaudi2_qman_manual_flush_common(hdev, queue_id); @@ -7279,7 +7279,7 @@ static bool gaudi2_get_nic_idle_status(struct hl_device *hdev, u64 *mask_arr, u8 u64 offset = 0; /* NIC, twelve macros in Full chip */ - if (e && hdev->nic_ports_mask) + if (e && hdev->cn.ports_mask) hl_engine_data_sprintf(e, "\nNIC is_idle QM_GLBL_STS0 QM_CGM_STS\n" "--- ------- ------------ ----------\n"); @@ -7290,7 +7290,7 @@ static bool gaudi2_get_nic_idle_status(struct hl_device *hdev, u64 *mask_arr, u8 else offset += NIC_QM_OFFSET; - if (!(hdev->nic_ports_mask & BIT(i))) + if (!(hdev->cn.ports_mask & BIT(i))) continue; engine_idx = GAUDI2_ENGINE_ID_NIC0_0 + i; @@ -8333,7 +8333,7 @@ static void gaudi2_check_if_razwi_happened(struct hl_device *hdev) /* check all NICs */ for (mod_idx = 0 ; mod_idx < NIC_NUMBER_OF_PORTS ; mod_idx++) - if (hdev->nic_ports_mask & BIT(mod_idx)) + if (hdev->cn.ports_mask & BIT(mod_idx)) gaudi2_ack_module_razwi_event_handler(hdev, RAZWI_NIC, mod_idx >> 1, 0, NULL); diff --git a/drivers/accel/habanalabs/gaudi2/gaudi2_security.c b/drivers/accel/habanalabs/gaudi2/gaudi2_security.c index 34bf80c5a44b..bb837be47908 100644 --- a/drivers/accel/habanalabs/gaudi2/gaudi2_security.c +++ b/drivers/accel/habanalabs/gaudi2/gaudi2_security.c @@ -3493,7 +3493,7 @@ static int gaudi2_init_protection_bits(struct hl_device *hdev) rc |= hl_init_pb_with_mask(hdev, NIC_NUMBER_OF_MACROS, NIC_OFFSET, HL_PB_SINGLE_INSTANCE, HL_PB_NA, gaudi2_pb_nic0, ARRAY_SIZE(gaudi2_pb_nic0), - NULL, HL_PB_NA, hdev->nic_ports_mask); + NULL, HL_PB_NA, hdev->cn.ports_mask); /* NIC QM and QPC */ rc |= hl_init_pb_with_mask(hdev, NIC_NUMBER_OF_MACROS, NIC_OFFSET, @@ -3501,7 +3501,7 @@ static int gaudi2_init_protection_bits(struct hl_device *hdev) gaudi2_pb_nic0_qm_qpc, ARRAY_SIZE(gaudi2_pb_nic0_qm_qpc), gaudi2_pb_nic0_qm_qpc_unsecured_regs, ARRAY_SIZE(gaudi2_pb_nic0_qm_qpc_unsecured_regs), - hdev->nic_ports_mask); + hdev->cn.ports_mask); /* NIC QM ARC */ rc |= hl_init_pb_ranges_with_mask(hdev, NIC_NUMBER_OF_MACROS, @@ -3510,7 +3510,7 @@ static int gaudi2_init_protection_bits(struct hl_device *hdev) ARRAY_SIZE(gaudi2_pb_nic0_qm_arc_aux0), gaudi2_pb_nic0_qm_arc_aux0_unsecured_regs, ARRAY_SIZE(gaudi2_pb_nic0_qm_arc_aux0_unsecured_regs), - hdev->nic_ports_mask); + hdev->cn.ports_mask); /* NIC UMR */ rc |= hl_init_pb_ranges_with_mask(hdev, NIC_NUMBER_OF_MACROS, @@ -3519,7 +3519,7 @@ static int gaudi2_init_protection_bits(struct hl_device *hdev) ARRAY_SIZE(gaudi2_pb_nic0_umr), gaudi2_pb_nic0_umr_unsecured_regs, ARRAY_SIZE(gaudi2_pb_nic0_umr_unsecured_regs), - hdev->nic_ports_mask); + hdev->cn.ports_mask); /* Rotators */ instance_offset = mmROT1_BASE - mmROT0_BASE; @@ -3799,22 +3799,22 @@ void gaudi2_ack_protection_bits_errors(struct hl_device *hdev) /* NIC */ hl_ack_pb_with_mask(hdev, NIC_NUMBER_OF_MACROS, NIC_OFFSET, HL_PB_SINGLE_INSTANCE, HL_PB_NA, - gaudi2_pb_nic0, ARRAY_SIZE(gaudi2_pb_nic0), hdev->nic_ports_mask); + gaudi2_pb_nic0, ARRAY_SIZE(gaudi2_pb_nic0), hdev->cn.ports_mask); /* NIC QM and QPC */ hl_ack_pb_with_mask(hdev, NIC_NUMBER_OF_MACROS, NIC_OFFSET, NIC_NUMBER_OF_QM_PER_MACRO, NIC_QM_OFFSET, gaudi2_pb_nic0_qm_qpc, ARRAY_SIZE(gaudi2_pb_nic0_qm_qpc), - hdev->nic_ports_mask); + hdev->cn.ports_mask); /* NIC QM ARC */ hl_ack_pb_with_mask(hdev, NIC_NUMBER_OF_MACROS, NIC_OFFSET, NIC_NUMBER_OF_QM_PER_MACRO, NIC_QM_OFFSET, gaudi2_pb_nic0_qm_arc_aux0, - ARRAY_SIZE(gaudi2_pb_nic0_qm_arc_aux0), hdev->nic_ports_mask); + ARRAY_SIZE(gaudi2_pb_nic0_qm_arc_aux0), hdev->cn.ports_mask); /* NIC UMR */ hl_ack_pb_with_mask(hdev, NIC_NUMBER_OF_MACROS, NIC_OFFSET, NIC_NUMBER_OF_QM_PER_MACRO, NIC_QM_OFFSET, gaudi2_pb_nic0_umr, ARRAY_SIZE(gaudi2_pb_nic0_umr), - hdev->nic_ports_mask); + hdev->cn.ports_mask); /* Rotators */ instance_offset = mmROT1_BASE - mmROT0_BASE; diff --git a/drivers/accel/habanalabs/goya/goya.c b/drivers/accel/habanalabs/goya/goya.c index 5a359c3bdc78..e0a803bde463 100644 --- a/drivers/accel/habanalabs/goya/goya.c +++ b/drivers/accel/habanalabs/goya/goya.c @@ -5438,6 +5438,11 @@ static int goya_send_device_activity(struct hl_device *hdev, bool open) return 0; } +static int goya_get_reg_pcie_addr(struct hl_device *hdev, u32 reg, u64 *pci_addr) +{ + return -EOPNOTSUPP; +} + static const struct hl_asic_funcs goya_funcs = { .early_init = goya_early_init, .early_fini = goya_early_fini, @@ -5493,6 +5498,7 @@ static const struct hl_asic_funcs goya_funcs = { .init_iatu = goya_init_iatu, .rreg = hl_rreg, .wreg = hl_wreg, + .get_reg_pcie_addr = goya_get_reg_pcie_addr, .halt_coresight = goya_halt_coresight, .ctx_init = goya_ctx_init, .ctx_fini = goya_ctx_fini, diff --git a/drivers/accel/habanalabs/include/hw_ip/nic/nic_general.h b/drivers/accel/habanalabs/include/hw_ip/nic/nic_general.h new file mode 100644 index 000000000000..5d300118d069 --- /dev/null +++ b/drivers/accel/habanalabs/include/hw_ip/nic/nic_general.h @@ -0,0 +1,15 @@ +/* SPDX-License-Identifier: GPL-2.0 + * + * Copyright 2020-2024 HabanaLabs, Ltd. + * Copyright (C) 2023-2024, Intel Corporation. + * All Rights Reserved. + * + */ + +#ifndef INCLUDE_NIC_GENERAL_H_ +#define INCLUDE_NIC_GENERAL_H_ + +#define HABANALABS_MAC_OUI_1 0xB0FD0B +#define HABANALABS_MAC_OUI_2 0x68932E + +#endif /* INCLUDE_NIC_GENERAL_H_ */ diff --git a/include/uapi/drm/habanalabs_accel.h b/include/uapi/drm/habanalabs_accel.h index a512dc4cffd0..c2c987ba3998 100644 --- a/include/uapi/drm/habanalabs_accel.h +++ b/include/uapi/drm/habanalabs_accel.h @@ -935,14 +935,14 @@ struct hl_info_hw_ip_info { __u8 reserved2; __u64 reserved3; __u64 device_mem_alloc_default_page_size; - __u64 reserved4; - __u64 reserved5; - __u32 reserved6; - __u8 reserved7; + __u64 nic_ports_mask; + __u64 nic_ports_external_mask; + __u32 reserved4; + __u8 reserved5; __u8 revision_id; __u16 tpc_interrupt_id; __u32 rotator_enabled_mask; - __u32 reserved9; + __u32 reserved6; __u64 engine_core_interrupt_reg_addr; __u64 reserved_dram_size; };