From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id C7C73A04A9; Tue, 25 Jan 2022 07:53:13 +0100 (CET) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 7E67542836; Tue, 25 Jan 2022 07:53:13 +0100 (CET) Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by mails.dpdk.org (Postfix) with ESMTP id 2DF6E4282D for ; Tue, 25 Jan 2022 07:53:12 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1643093592; x=1674629592; h=from:to:cc:subject:date:message-id:in-reply-to: references; bh=/qh3YZ5eyOpRUU1K0kkvtTczrRdHwrkxQvKWeZB3xHk=; b=dlF764Jvm2clN9EfgodRj8kk67Hdi54jVVBZLw2UNCVUxdTCOW+VfEaF MQfEDGE7ER3b/aaA5Fv0S82/Yv9+5KIpd6THA4J3S2A4gwcfCQCGF8fOs 6oCGRF8Fwe62Ra3dSKaruc0pth0DfN43ZWHU+mk3WMI3x+oPpHI0R4txx lkZQuCY6N990yC0pIQCCaSOwc1grWHMfpHLtF9G4435SyTtNwXqUqo1Ex pYhYxtO5Q3i82jh2xvFLvIvpk0jwiK/xV2mMNwsqVj6WZg3y7jiDbTokd igOavSWRlXjy1JcgUrMQ7NbL8K3I7am952RH1h9S03Fw7UunKt/BZ7gPd w==; X-IronPort-AV: E=McAfee;i="6200,9189,10237"; a="246181297" X-IronPort-AV: E=Sophos;i="5.88,314,1635231600"; d="scan'208";a="246181297" Received: from orsmga005.jf.intel.com ([10.7.209.41]) by orsmga103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 Jan 2022 22:53:11 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.88,314,1635231600"; d="scan'208";a="695724232" Received: from dpdk-dipei.sh.intel.com ([10.67.111.91]) by orsmga005.jf.intel.com with ESMTP; 24 Jan 2022 22:53:09 -0800 From: Andy Pei To: dev@dpdk.org Cc: chenbo.xia@intel.com, maxime.coquelin@redhat.com, gang.cao@intel.com, changpeng.liu@intel.com Subject: [PATCH 01/15] vdpa/ifc: add support for virtio blk device Date: Tue, 25 Jan 2022 14:47:24 +0800 Message-Id: <1643093258-47258-2-git-send-email-andy.pei@intel.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1643093258-47258-1-git-send-email-andy.pei@intel.com> References: <1643093258-47258-1-git-send-email-andy.pei@intel.com> X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Re-use the vdpa/ifc code, distinguish blk and net device by pci_device_id. Blk and net device are implemeted with proper feature and ops. Signed-off-by: Andy Pei --- drivers/vdpa/ifc/base/ifcvf.h | 16 +++++++- drivers/vdpa/ifc/ifcvf_vdpa.c | 96 +++++++++++++++++++++++++++++++++++++++---- 2 files changed, 102 insertions(+), 10 deletions(-) diff --git a/drivers/vdpa/ifc/base/ifcvf.h b/drivers/vdpa/ifc/base/ifcvf.h index 573a35f..01522c6 100644 --- a/drivers/vdpa/ifc/base/ifcvf.h +++ b/drivers/vdpa/ifc/base/ifcvf.h @@ -5,8 +5,17 @@ #ifndef _IFCVF_H_ #define _IFCVF_H_ +#include #include "ifcvf_osdep.h" +#define IFCVF_NET 0 +#define IFCVF_BLK 1 + +/* for BLK */ +#define IFCVF_BLK_TRANSITIONAL_DEVICE_ID 0x1001 +#define IFCVF_BLK_MODERN_DEVICE_ID 0x1042 +#define IFCVF_BLK_DEVICE_ID 0x0002 + #define IFCVF_VENDOR_ID 0x1AF4 #define IFCVF_DEVICE_ID 0x1041 #define IFCVF_SUBSYS_VENDOR_ID 0x8086 @@ -57,7 +66,6 @@ #define IFCVF_32_BIT_MASK 0xffffffff - struct ifcvf_pci_cap { u8 cap_vndr; /* Generic PCI field: PCI_CAP_ID_VNDR */ u8 cap_next; /* Generic PCI field: next ptr. */ @@ -126,7 +134,11 @@ struct ifcvf_hw { u8 notify_region; u32 notify_off_multiplier; struct ifcvf_pci_common_cfg *common_cfg; - struct ifcvf_net_config *dev_cfg; + union { + struct ifcvf_net_config *net_cfg; + struct virtio_blk_config *blk_cfg; + void *dev_cfg; + }; u8 *isr; u16 *notify_base; u16 *notify_addr[IFCVF_MAX_QUEUES * 2]; diff --git a/drivers/vdpa/ifc/ifcvf_vdpa.c b/drivers/vdpa/ifc/ifcvf_vdpa.c index 3853c4c..48056d1 100644 --- a/drivers/vdpa/ifc/ifcvf_vdpa.c +++ b/drivers/vdpa/ifc/ifcvf_vdpa.c @@ -58,6 +58,7 @@ struct ifcvf_internal { struct rte_vdpa_device *vdev; uint16_t max_queues; uint64_t features; + int device_type; rte_atomic32_t started; rte_atomic32_t dev_attached; rte_atomic32_t running; @@ -75,6 +76,14 @@ struct internal_list { struct ifcvf_internal *internal; }; +/** +** vdpa decice info includes device features and devcic operation. +**/ +struct rte_vdpa_dev_info { + uint64_t features; + struct rte_vdpa_dev_ops *ops; +}; + TAILQ_HEAD(internal_list_head, internal_list); static struct internal_list_head internal_list = TAILQ_HEAD_INITIALIZER(internal_list); @@ -1170,6 +1179,50 @@ struct internal_list { return 0; } +static int16_t +ifcvf_pci_get_device_type(struct rte_pci_device *pci_dev) +{ + uint16_t pci_device_id = pci_dev->id.device_id; + uint16_t device_id; + + if (pci_device_id < 0x1000 || pci_device_id > 0x107f) { + DRV_LOG(ERR, "Probe device is not a virtio device\n"); + return -1; + } + + if (pci_device_id < 0x1040) { + /** + ** Transitional devices: use the PCI subsystem device id as + ** virtio device id, same as legacy driver always did. + **/ + device_id = pci_dev->id.subsystem_device_id; + } else { + /** + ** Modern devices: simply use PCI device id, + ** but start from 0x1040. + **/ + device_id = pci_device_id - 0x1040; + } + + return device_id; +} + +struct rte_vdpa_dev_info dev_info[] = { + { + .features = (1ULL << VIRTIO_NET_F_GUEST_ANNOUNCE) | + (1ULL << VIRTIO_NET_F_CTRL_VQ) | + (1ULL << VIRTIO_NET_F_STATUS) | + (1ULL << VHOST_USER_F_PROTOCOL_FEATURES) | + (1ULL << VHOST_F_LOG_ALL), + .ops = &ifcvf_ops, + }, + { + .features = (1ULL << VHOST_USER_F_PROTOCOL_FEATURES) | + (1ULL << VHOST_F_LOG_ALL), + .ops = NULL, + }, +}; + static int ifcvf_pci_probe(struct rte_pci_driver *pci_drv __rte_unused, struct rte_pci_device *pci_dev) @@ -1181,6 +1234,7 @@ struct internal_list { int sw_fallback_lm = 0; struct rte_kvargs *kvlist = NULL; int ret = 0; + int16_t device_id; if (rte_eal_process_type() != RTE_PROC_PRIMARY) return 0; @@ -1230,13 +1284,24 @@ struct internal_list { internal->configured = 0; internal->max_queues = IFCVF_MAX_QUEUES; features = ifcvf_get_features(&internal->hw); - internal->features = (features & - ~(1ULL << VIRTIO_F_IOMMU_PLATFORM)) | - (1ULL << VIRTIO_NET_F_GUEST_ANNOUNCE) | - (1ULL << VIRTIO_NET_F_CTRL_VQ) | - (1ULL << VIRTIO_NET_F_STATUS) | - (1ULL << VHOST_USER_F_PROTOCOL_FEATURES) | - (1ULL << VHOST_F_LOG_ALL); + + device_id = ifcvf_pci_get_device_type(pci_dev); + if (device_id < 0) { + DRV_LOG(ERR, "failed to get device %s type", pci_dev->name); + goto error; + } + + if (device_id == VIRTIO_ID_NET) { + internal->device_type = IFCVF_NET; + internal->features = features & + ~(1ULL << VIRTIO_F_IOMMU_PLATFORM); + internal->features |= dev_info[IFCVF_NET].features; + } else if (device_id == VIRTIO_ID_BLOCK) { + internal->device_type = IFCVF_BLK; + internal->features = features & + ~(1ULL << VIRTIO_F_IOMMU_PLATFORM); + internal->features |= dev_info[IFCVF_BLK].features; + } list->internal = internal; @@ -1248,7 +1313,8 @@ struct internal_list { } internal->sw_lm = sw_fallback_lm; - internal->vdev = rte_vdpa_register_device(&pci_dev->device, &ifcvf_ops); + internal->vdev = rte_vdpa_register_device(&pci_dev->device, + dev_info[internal->device_type].ops); if (internal->vdev == NULL) { DRV_LOG(ERR, "failed to register device %s", pci_dev->name); goto error; @@ -1316,6 +1382,20 @@ struct internal_list { .subsystem_device_id = IFCVF_SUBSYS_DEVICE_ID, }, + { .class_id = RTE_CLASS_ANY_ID, + .vendor_id = IFCVF_VENDOR_ID, + .device_id = IFCVF_BLK_TRANSITIONAL_DEVICE_ID, + .subsystem_vendor_id = IFCVF_SUBSYS_VENDOR_ID, + .subsystem_device_id = IFCVF_BLK_DEVICE_ID, + }, + + { .class_id = RTE_CLASS_ANY_ID, + .vendor_id = IFCVF_VENDOR_ID, + .device_id = IFCVF_BLK_MODERN_DEVICE_ID, + .subsystem_vendor_id = IFCVF_SUBSYS_VENDOR_ID, + .subsystem_device_id = IFCVF_BLK_DEVICE_ID, + }, + { .vendor_id = 0, /* sentinel */ }, }; -- 1.8.3.1