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 21E0DA04FF; Tue, 24 May 2022 05:35:52 +0200 (CEST) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id C33384281B; Tue, 24 May 2022 05:35:38 +0200 (CEST) Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by mails.dpdk.org (Postfix) with ESMTP id 3CE56427F3 for ; Tue, 24 May 2022 05:35:36 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1653363336; x=1684899336; h=from:to:cc:subject:date:message-id:in-reply-to: references; bh=g3XfAaB74qczc1WZCxnMa6HfmBrd1A/JzKVDLqxxM0E=; b=LTiEix/2u89GDJR4s5QMmWrvt5dMp/ONWGeFFoZJqugtpkRCSQNBqZEh zMeQCeCGZ6PzIXygGTdYYYesEgRZsz2jkF8fLXtPCwWXPgoplTB3QH3w7 vkC/l8ArvXcScCG6iOL3aYfkY+wF/aKbqSGbYzRdtAAKsKHV6vrbMC49x Vo+j3i8SU71aBTP4zEJqqramNKURwH8tjQqi6URtuqAWPvxw2NgfBpn6I CNMdnOHlKM2NhIFr+DssfTQF1giD6lMiYo2NUmm0cs/naSgGz6gDCYOvk +BNCV8YmI8BeNg7cHVro+2mhV0yvDVus9JmurdRH8iQWTWosQWotE5HvR w==; X-IronPort-AV: E=McAfee;i="6400,9594,10356"; a="273533606" X-IronPort-AV: E=Sophos;i="5.91,247,1647327600"; d="scan'208";a="273533606" Received: from orsmga005.jf.intel.com ([10.7.209.41]) by fmsmga103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 23 May 2022 20:35:35 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.91,247,1647327600"; d="scan'208";a="745046940" Received: from dpdk-dipei.sh.intel.com ([10.67.110.238]) by orsmga005.jf.intel.com with ESMTP; 23 May 2022 20:35:33 -0700 From: Andy Pei To: dev@dpdk.org Cc: chenbo.xia@intel.com, maxime.coquelin@redhat.com, gang.cao@intel.com, changpeng.liu@intel.com, rosen.xu@intel.com, qimaix.xiao@intel.com Subject: [PATCH v10 04/13] vdpa/ifc: add blk ops for ifc device Date: Tue, 24 May 2022 10:48:08 +0800 Message-Id: <1653360497-18080-5-git-send-email-andy.pei@intel.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1653360497-18080-1-git-send-email-andy.pei@intel.com> References: <1643093258-47258-2-git-send-email-andy.pei@intel.com> <1653360497-18080-1-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 For virtio blk device, re-use part of ifc driver ops. Implement ifcvf_blk_get_config for virtio blk device. Support VHOST_USER_PROTOCOL_F_CONFIG feature for virtio blk device. Signed-off-by: Andy Pei --- drivers/vdpa/ifc/base/ifcvf.h | 4 ++ drivers/vdpa/ifc/ifcvf_vdpa.c | 96 ++++++++++++++++++++++++++++++++++++++++++- 2 files changed, 99 insertions(+), 1 deletion(-) diff --git a/drivers/vdpa/ifc/base/ifcvf.h b/drivers/vdpa/ifc/base/ifcvf.h index a761d49..b6fdfdb 100644 --- a/drivers/vdpa/ifc/base/ifcvf.h +++ b/drivers/vdpa/ifc/base/ifcvf.h @@ -65,6 +65,10 @@ #define IFCVF_32_BIT_MASK 0xffffffff +#ifndef VHOST_USER_PROTOCOL_F_CONFIG +#define VHOST_USER_PROTOCOL_F_CONFIG 9 +#endif + struct ifcvf_pci_cap { u8 cap_vndr; /* Generic PCI field: PCI_CAP_ID_VNDR */ u8 cap_next; /* Generic PCI field: next ptr. */ diff --git a/drivers/vdpa/ifc/ifcvf_vdpa.c b/drivers/vdpa/ifc/ifcvf_vdpa.c index 1eed90b..10a4a25 100644 --- a/drivers/vdpa/ifc/ifcvf_vdpa.c +++ b/drivers/vdpa/ifc/ifcvf_vdpa.c @@ -1087,6 +1087,10 @@ struct rte_vdpa_dev_info { 1ULL << VHOST_USER_PROTOCOL_F_HOST_NOTIFIER | \ 1ULL << VHOST_USER_PROTOCOL_F_LOG_SHMFD | \ 1ULL << VHOST_USER_PROTOCOL_F_STATUS) + +#define VDPA_BLK_PROTOCOL_FEATURES \ + (1ULL << VHOST_USER_PROTOCOL_F_CONFIG) + static int ifcvf_get_protocol_features(struct rte_vdpa_device *vdev, uint64_t *features) { @@ -1199,6 +1203,96 @@ struct rte_vdpa_dev_info { return device_id; } +static int +ifcvf_blk_get_config(int vid, uint8_t *config, uint32_t size) +{ + struct virtio_blk_config *dev_cfg; + struct ifcvf_internal *internal; + struct rte_vdpa_device *vdev; + struct internal_list *list; + uint32_t i; + uint64_t capacity = 0; + uint8_t *byte; + + if (size != sizeof(struct virtio_blk_config)) { + DRV_LOG(ERR, "Invalid len: %u, required: %u", + size, (uint32_t)sizeof(struct virtio_blk_config)); + return -1; + } + + vdev = rte_vhost_get_vdpa_device(vid); + if (vdev == NULL) { + DRV_LOG(ERR, "Invalid vDPA device vid: %d", vid); + return -1; + } + + list = find_internal_resource_by_vdev(vdev); + if (list == NULL) { + DRV_LOG(ERR, "Invalid vDPA device: %p", vdev); + return -1; + } + + internal = list->internal; + + for (i = 0; i < sizeof(struct virtio_blk_config); i++) + config[i] = *((u8 *)internal->hw.blk_cfg + i); + + dev_cfg = (struct virtio_blk_config *)internal->hw.blk_cfg; + + /* cannot read 64-bit register in one attempt, so read byte by byte. */ + for (i = 0; i < sizeof(internal->hw.blk_cfg->capacity); i++) { + byte = (uint8_t *)&internal->hw.blk_cfg->capacity + i; + capacity |= (uint64_t)*byte << (i * 8); + } + /* The capacity is number of sectors in 512-byte. + * So right shift 1 bit we get in K, + * another right shift 10 bits we get in M, + * right shift 10 more bits, we get in G. + * To show capacity in G, we right shift 21 bits in total. + */ + DRV_LOG(DEBUG, "capacity : %"PRIu64"G", capacity >> 21); + + DRV_LOG(DEBUG, "size_max : 0x%08x", dev_cfg->size_max); + DRV_LOG(DEBUG, "seg_max : 0x%08x", dev_cfg->seg_max); + DRV_LOG(DEBUG, "blk_size : 0x%08x", dev_cfg->blk_size); + DRV_LOG(DEBUG, "geometry"); + DRV_LOG(DEBUG, " cylinders: %u", dev_cfg->geometry.cylinders); + DRV_LOG(DEBUG, " heads : %u", dev_cfg->geometry.heads); + DRV_LOG(DEBUG, " sectors : %u", dev_cfg->geometry.sectors); + DRV_LOG(DEBUG, "num_queues: 0x%08x", dev_cfg->num_queues); + + DRV_LOG(DEBUG, "config: [%x] [%x] [%x] [%x] [%x] [%x] [%x] [%x]\n", + config[0], config[1], config[2], config[3], config[4], + config[5], config[6], config[7]); + return 0; +} + +static int +ifcvf_blk_get_protocol_features(struct rte_vdpa_device *vdev, + uint64_t *features) +{ + RTE_SET_USED(vdev); + + *features = VDPA_SUPPORTED_PROTOCOL_FEATURES; + *features |= VDPA_BLK_PROTOCOL_FEATURES; + return 0; +} + +static struct rte_vdpa_dev_ops ifcvf_blk_ops = { + .get_queue_num = ifcvf_get_queue_num, + .get_features = ifcvf_get_vdpa_features, + .set_features = ifcvf_set_features, + .get_protocol_features = ifcvf_blk_get_protocol_features, + .dev_conf = ifcvf_dev_config, + .dev_close = ifcvf_dev_close, + .set_vring_state = ifcvf_set_vring_state, + .migration_done = NULL, + .get_vfio_group_fd = ifcvf_get_vfio_group_fd, + .get_vfio_device_fd = ifcvf_get_vfio_device_fd, + .get_notify_area = ifcvf_get_notify_area, + .get_config = ifcvf_blk_get_config, +}; + struct rte_vdpa_dev_info dev_info[] = { { .features = (1ULL << VIRTIO_NET_F_GUEST_ANNOUNCE) | @@ -1211,7 +1305,7 @@ struct rte_vdpa_dev_info dev_info[] = { { .features = (1ULL << VHOST_USER_F_PROTOCOL_FEATURES) | (1ULL << VHOST_F_LOG_ALL), - .ops = NULL, + .ops = &ifcvf_blk_ops, }, }; -- 1.8.3.1