From patchwork Tue Mar 23 23:59:47 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shiraz Saleem X-Patchwork-Id: 12159847 X-Patchwork-Delegate: kuba@kernel.org Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C0A21C433EC for ; Wed, 24 Mar 2021 00:04:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 95D28619A4 for ; Wed, 24 Mar 2021 00:04:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234412AbhCXADz (ORCPT ); Tue, 23 Mar 2021 20:03:55 -0400 Received: from mga17.intel.com ([192.55.52.151]:37587 "EHLO mga17.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234348AbhCXADX (ORCPT ); Tue, 23 Mar 2021 20:03:23 -0400 IronPort-SDR: +JQsI1A++1kn6f+VV68XCJ0W5PsIx1NSiOimM99Tw/aqZeSJWj3RiUMbjTkjyGVy4o1PocS3CQ +GTizE/tbrzQ== X-IronPort-AV: E=McAfee;i="6000,8403,9932"; a="170556548" X-IronPort-AV: E=Sophos;i="5.81,272,1610438400"; d="scan'208";a="170556548" Received: from fmsmga007.fm.intel.com ([10.253.24.52]) by fmsmga107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 23 Mar 2021 17:03:23 -0700 IronPort-SDR: 4tAJpTYCCWUVZ3a4o46Nt7TrQ9uvZ8JgrfPCAY4dIJmKBCzcR6PL5tnxuFVjp1i+bXmq7m4btb nfczmqDYKAvg== X-IronPort-AV: E=Sophos;i="5.81,272,1610438400"; d="scan'208";a="381542194" Received: from ssaleem-mobl.amr.corp.intel.com ([10.209.103.207]) by fmsmga007-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 23 Mar 2021 17:03:21 -0700 From: Shiraz Saleem To: dledford@redhat.com, jgg@nvidia.com, kuba@kernel.org, davem@davemloft.net Cc: linux-rdma@vger.kernel.org, netdev@vger.kernel.org, david.m.ertman@intel.com, anthony.l.nguyen@intel.com, Shiraz Saleem Subject: [PATCH v2 03/23] ice: Implement iidc operations Date: Tue, 23 Mar 2021 18:59:47 -0500 Message-Id: <20210324000007.1450-4-shiraz.saleem@intel.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20210324000007.1450-1-shiraz.saleem@intel.com> References: <20210324000007.1450-1-shiraz.saleem@intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org From: Dave Ertman Add implementations for supporting iidc operations for device operation such as allocation of resources and event notifications. Signed-off-by: Dave Ertman Signed-off-by: Tony Nguyen Signed-off-by: Shiraz Saleem --- drivers/net/ethernet/intel/ice/ice.h | 1 + drivers/net/ethernet/intel/ice/ice_adminq_cmd.h | 32 ++ drivers/net/ethernet/intel/ice/ice_common.c | 200 +++++++++++ drivers/net/ethernet/intel/ice/ice_common.h | 9 + drivers/net/ethernet/intel/ice/ice_dcb_lib.c | 25 +- drivers/net/ethernet/intel/ice/ice_hw_autogen.h | 3 +- drivers/net/ethernet/intel/ice/ice_idc.c | 439 +++++++++++++++++++++++ drivers/net/ethernet/intel/ice/ice_idc_int.h | 3 + drivers/net/ethernet/intel/ice/ice_main.c | 50 ++- drivers/net/ethernet/intel/ice/ice_sched.c | 69 +++- drivers/net/ethernet/intel/ice/ice_switch.c | 27 ++ drivers/net/ethernet/intel/ice/ice_switch.h | 4 + drivers/net/ethernet/intel/ice/ice_type.h | 3 + drivers/net/ethernet/intel/ice/ice_virtchnl_pf.c | 34 ++ 14 files changed, 876 insertions(+), 23 deletions(-) diff --git a/drivers/net/ethernet/intel/ice/ice.h b/drivers/net/ethernet/intel/ice/ice.h index ebd2159..561f8fd 100644 --- a/drivers/net/ethernet/intel/ice/ice.h +++ b/drivers/net/ethernet/intel/ice/ice.h @@ -327,6 +327,7 @@ struct ice_vsi { u16 req_rxq; /* User requested Rx queues */ u16 num_rx_desc; u16 num_tx_desc; + u16 qset_handle[ICE_MAX_TRAFFIC_CLASS]; struct ice_tc_cfg tc_cfg; struct bpf_prog *xdp_prog; struct ice_ring **xdp_rings; /* XDP ring array */ diff --git a/drivers/net/ethernet/intel/ice/ice_adminq_cmd.h b/drivers/net/ethernet/intel/ice/ice_adminq_cmd.h index 81735e5..8a07bed 100644 --- a/drivers/net/ethernet/intel/ice/ice_adminq_cmd.h +++ b/drivers/net/ethernet/intel/ice/ice_adminq_cmd.h @@ -1684,6 +1684,36 @@ struct ice_aqc_dis_txq_item { __le16 q_id[]; } __packed; +/* Add Tx RDMA Queue Set (indirect 0x0C33) */ +struct ice_aqc_add_rdma_qset { + u8 num_qset_grps; + u8 reserved[7]; + __le32 addr_high; + __le32 addr_low; +}; + +/* This is the descriptor of each qset entry for the Add Tx RDMA Queue Set + * command (0x0C33). Only used within struct ice_aqc_add_rdma_qset. + */ +struct ice_aqc_add_tx_rdma_qset_entry { + __le16 tx_qset_id; + u8 rsvd[2]; + __le32 qset_teid; + struct ice_aqc_txsched_elem info; +}; + +/* The format of the command buffer for Add Tx RDMA Queue Set(0x0C33) + * is an array of the following structs. Please note that the length of + * each struct ice_aqc_add_rdma_qset is variable due to the variable + * number of queues in each group! + */ +struct ice_aqc_add_rdma_qset_data { + __le32 parent_teid; + __le16 num_qsets; + u8 rsvd[2]; + struct ice_aqc_add_tx_rdma_qset_entry rdma_qsets[]; +}; + /* Configure Firmware Logging Command (indirect 0xFF09) * Logging Information Read Response (indirect 0xFF10) * Note: The 0xFF10 command has no input parameters. @@ -1879,6 +1909,7 @@ struct ice_aq_desc { struct ice_aqc_get_set_rss_key get_set_rss_key; struct ice_aqc_add_txqs add_txqs; struct ice_aqc_dis_txqs dis_txqs; + struct ice_aqc_add_rdma_qset add_rdma_qset; struct ice_aqc_add_get_update_free_vsi vsi_cmd; struct ice_aqc_add_update_free_vsi_resp add_update_free_vsi_res; struct ice_aqc_fw_logging fw_logging; @@ -2027,6 +2058,7 @@ enum ice_adminq_opc { /* Tx queue handling commands/events */ ice_aqc_opc_add_txqs = 0x0C30, ice_aqc_opc_dis_txqs = 0x0C31, + ice_aqc_opc_add_rdma_qset = 0x0C33, /* package commands */ ice_aqc_opc_download_pkg = 0x0C40, diff --git a/drivers/net/ethernet/intel/ice/ice_common.c b/drivers/net/ethernet/intel/ice/ice_common.c index d7b15c3..b98c3c5 100644 --- a/drivers/net/ethernet/intel/ice/ice_common.c +++ b/drivers/net/ethernet/intel/ice/ice_common.c @@ -3577,6 +3577,54 @@ enum ice_status return status; } +/** + * ice_aq_add_rdma_qsets + * @hw: pointer to the hardware structure + * @num_qset_grps: Number of RDMA Qset groups + * @qset_list: list of qset groups to be added + * @buf_size: size of buffer for indirect command + * @cd: pointer to command details structure or NULL + * + * Add Tx RDMA Qsets (0x0C33) + */ +static enum ice_status +ice_aq_add_rdma_qsets(struct ice_hw *hw, u8 num_qset_grps, + struct ice_aqc_add_rdma_qset_data *qset_list, + u16 buf_size, struct ice_sq_cd *cd) +{ + struct ice_aqc_add_rdma_qset_data *list; + struct ice_aqc_add_rdma_qset *cmd; + struct ice_aq_desc desc; + u16 i, sum_size = 0; + + cmd = &desc.params.add_rdma_qset; + + ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_add_rdma_qset); + + if (!qset_list) + return ICE_ERR_PARAM; + + if (num_qset_grps > ICE_LAN_TXQ_MAX_QGRPS) + return ICE_ERR_PARAM; + + for (i = 0, list = qset_list; i < num_qset_grps; i++) { + u16 num_qsets = le16_to_cpu(list->num_qsets); + + sum_size += struct_size(list, rdma_qsets, num_qsets); + list = (struct ice_aqc_add_rdma_qset_data *)(list->rdma_qsets + + num_qsets); + } + + if (buf_size != sum_size) + return ICE_ERR_PARAM; + + desc.flags |= cpu_to_le16(ICE_AQ_FLAG_RD); + + cmd->num_qset_grps = num_qset_grps; + + return ice_aq_send_cmd(hw, &desc, qset_list, buf_size, cd); +} + /* End of FW Admin Queue command wrappers */ /** @@ -4075,6 +4123,158 @@ enum ice_status } /** + * ice_cfg_vsi_rdma - configure the VSI RDMA queues + * @pi: port information structure + * @vsi_handle: software VSI handle + * @tc_bitmap: TC bitmap + * @max_rdmaqs: max RDMA queues array per TC + * + * This function adds/updates the VSI RDMA queues per TC. + */ +enum ice_status +ice_cfg_vsi_rdma(struct ice_port_info *pi, u16 vsi_handle, u16 tc_bitmap, + u16 *max_rdmaqs) +{ + return ice_cfg_vsi_qs(pi, vsi_handle, tc_bitmap, max_rdmaqs, + ICE_SCHED_NODE_OWNER_RDMA); +} + +/** + * ice_ena_vsi_rdma_qset + * @pi: port information structure + * @vsi_handle: software VSI handle + * @tc: TC number + * @rdma_qset: pointer to RDMA qset + * @num_qsets: number of RDMA qsets + * @qset_teid: pointer to qset node teids + * + * This function adds RDMA qset + */ +enum ice_status +ice_ena_vsi_rdma_qset(struct ice_port_info *pi, u16 vsi_handle, u8 tc, + u16 *rdma_qset, u16 num_qsets, u32 *qset_teid) +{ + struct ice_aqc_txsched_elem_data node = { 0 }; + struct ice_aqc_add_rdma_qset_data *buf; + struct ice_sched_node *parent; + enum ice_status status; + struct ice_hw *hw; + u16 i, buf_size; + + if (!pi || pi->port_state != ICE_SCHED_PORT_STATE_READY) + return ICE_ERR_CFG; + hw = pi->hw; + + if (!ice_is_vsi_valid(hw, vsi_handle)) + return ICE_ERR_PARAM; + + buf_size = struct_size(buf, rdma_qsets, num_qsets); + buf = kzalloc(buf_size, GFP_KERNEL); + if (!buf) + return ICE_ERR_NO_MEMORY; + mutex_lock(&pi->sched_lock); + + parent = ice_sched_get_free_qparent(pi, vsi_handle, tc, + ICE_SCHED_NODE_OWNER_RDMA); + if (!parent) { + status = ICE_ERR_PARAM; + goto rdma_error_exit; + } + buf->parent_teid = parent->info.node_teid; + node.parent_teid = parent->info.node_teid; + + buf->num_qsets = cpu_to_le16(num_qsets); + for (i = 0; i < num_qsets; i++) { + buf->rdma_qsets[i].tx_qset_id = cpu_to_le16(rdma_qset[i]); + buf->rdma_qsets[i].info.valid_sections = + ICE_AQC_ELEM_VALID_GENERIC | ICE_AQC_ELEM_VALID_CIR | + ICE_AQC_ELEM_VALID_EIR; + buf->rdma_qsets[i].info.generic = 0; + buf->rdma_qsets[i].info.cir_bw.bw_profile_idx = + cpu_to_le16(ICE_SCHED_DFLT_RL_PROF_ID); + buf->rdma_qsets[i].info.cir_bw.bw_alloc = + cpu_to_le16(ICE_SCHED_DFLT_BW_WT); + buf->rdma_qsets[i].info.eir_bw.bw_profile_idx = + cpu_to_le16(ICE_SCHED_DFLT_RL_PROF_ID); + buf->rdma_qsets[i].info.eir_bw.bw_alloc = + cpu_to_le16(ICE_SCHED_DFLT_BW_WT); + } + status = ice_aq_add_rdma_qsets(hw, 1, buf, buf_size, NULL); + if (status) { + ice_debug(hw, ICE_DBG_RDMA, "add RDMA qset failed\n"); + goto rdma_error_exit; + } + node.data.elem_type = ICE_AQC_ELEM_TYPE_LEAF; + for (i = 0; i < num_qsets; i++) { + node.node_teid = buf->rdma_qsets[i].qset_teid; + status = ice_sched_add_node(pi, hw->num_tx_sched_layers - 1, + &node); + if (status) + break; + qset_teid[i] = le32_to_cpu(node.node_teid); + } +rdma_error_exit: + mutex_unlock(&pi->sched_lock); + kfree(buf); + return status; +} + +/** + * ice_dis_vsi_rdma_qset - free RDMA resources + * @pi: port_info struct + * @count: number of RDMA qsets to free + * @qset_teid: TEID of qset node + * @q_id: list of queue IDs being disabled + */ +enum ice_status +ice_dis_vsi_rdma_qset(struct ice_port_info *pi, u16 count, u32 *qset_teid, + u16 *q_id) +{ + struct ice_aqc_dis_txq_item *qg_list; + enum ice_status status = 0; + struct ice_hw *hw; + u16 qg_size; + int i; + + if (!pi || pi->port_state != ICE_SCHED_PORT_STATE_READY) + return ICE_ERR_CFG; + + hw = pi->hw; + + qg_size = struct_size(qg_list, q_id, 1); + qg_list = kzalloc(qg_size, GFP_KERNEL); + if (!qg_list) + return ICE_ERR_NO_MEMORY; + + mutex_lock(&pi->sched_lock); + + for (i = 0; i < count; i++) { + struct ice_sched_node *node; + + node = ice_sched_find_node_by_teid(pi->root, qset_teid[i]); + if (!node) + continue; + + qg_list->parent_teid = node->info.parent_teid; + qg_list->num_qs = 1; + qg_list->q_id[0] = + cpu_to_le16(q_id[i] | + ICE_AQC_Q_DIS_BUF_ELEM_TYPE_RDMA_QSET); + + status = ice_aq_dis_lan_txq(hw, 1, qg_list, qg_size, + ICE_NO_RESET, 0, NULL); + if (status) + break; + + ice_free_sched_node(pi, node); + } + + mutex_unlock(&pi->sched_lock); + kfree(qg_list); + return status; +} + +/** * ice_replay_pre_init - replay pre initialization * @hw: pointer to the HW struct * diff --git a/drivers/net/ethernet/intel/ice/ice_common.h b/drivers/net/ethernet/intel/ice/ice_common.h index baf4064..fbd9421 100644 --- a/drivers/net/ethernet/intel/ice/ice_common.h +++ b/drivers/net/ethernet/intel/ice/ice_common.h @@ -147,6 +147,15 @@ enum ice_status bool write, struct ice_sq_cd *cd); enum ice_status +ice_cfg_vsi_rdma(struct ice_port_info *pi, u16 vsi_handle, u16 tc_bitmap, + u16 *max_rdmaqs); +enum ice_status +ice_ena_vsi_rdma_qset(struct ice_port_info *pi, u16 vsi_handle, u8 tc, + u16 *rdma_qset, u16 num_qsets, u32 *qset_teid); +enum ice_status +ice_dis_vsi_rdma_qset(struct ice_port_info *pi, u16 count, u32 *qset_teid, + u16 *q_id); +enum ice_status ice_dis_vsi_txq(struct ice_port_info *pi, u16 vsi_handle, u8 tc, u8 num_queues, u16 *q_handle, u16 *q_ids, u32 *q_teids, enum ice_disq_rst_src rst_src, u16 vmvf_num, diff --git a/drivers/net/ethernet/intel/ice/ice_dcb_lib.c b/drivers/net/ethernet/intel/ice/ice_dcb_lib.c index 3aebfa8..ce04445 100644 --- a/drivers/net/ethernet/intel/ice/ice_dcb_lib.c +++ b/drivers/net/ethernet/intel/ice/ice_dcb_lib.c @@ -275,6 +275,7 @@ int ice_pf_dcb_cfg(struct ice_pf *pf, struct ice_dcbx_cfg *new_cfg, bool locked) struct ice_dcbx_cfg *old_cfg, *curr_cfg; struct device *dev = ice_pf_to_dev(pf); int ret = ICE_DCB_NO_HW_CHG; + struct iidc_event *event; struct ice_vsi *pf_vsi; curr_cfg = &pf->hw.port_info->qos_cfg.local_dcbx_cfg; @@ -313,6 +314,15 @@ int ice_pf_dcb_cfg(struct ice_pf *pf, struct ice_dcbx_cfg *new_cfg, bool locked) goto free_cfg; } + /* Notify aux drivers about impending change to TCs */ + event = kzalloc(sizeof(*event), GFP_KERNEL); + if (!event) + return -ENOMEM; + + set_bit(IIDC_EVENT_BEFORE_TC_CHANGE, event->type); + ice_send_event_to_auxs(pf, event); + kfree(event); + /* avoid race conditions by holding the lock while disabling and * re-enabling the VSI */ @@ -676,9 +686,22 @@ void ice_pf_dcb_recfg(struct ice_pf *pf) if (vsi->type == ICE_VSI_PF) ice_dcbnl_set_all(vsi); } + /* Notify the aux drivers that TC change is finished */ rcdi = ice_find_cdev_info_by_id(pf, IIDC_RDMA_ID); - if (rcdi) + if (rcdi) { + struct iidc_event *event; + ice_setup_dcb_qos_info(pf, &rcdi->qos_info); + + event = kzalloc(sizeof(*event), GFP_KERNEL); + if (!event) + return; + + set_bit(IIDC_EVENT_AFTER_TC_CHANGE, event->type); + event->info.port_qos = rcdi->qos_info; + ice_send_event_to_auxs(pf, event); + kfree(event); + } } /** diff --git a/drivers/net/ethernet/intel/ice/ice_hw_autogen.h b/drivers/net/ethernet/intel/ice/ice_hw_autogen.h index 093a181..b544290 100644 --- a/drivers/net/ethernet/intel/ice/ice_hw_autogen.h +++ b/drivers/net/ethernet/intel/ice/ice_hw_autogen.h @@ -110,8 +110,6 @@ #define VPGEN_VFRSTAT_VFRD_M BIT(0) #define VPGEN_VFRTRIG(_VF) (0x00090000 + ((_VF) * 4)) #define VPGEN_VFRTRIG_VFSWR_M BIT(0) -#define PFHMC_ERRORDATA 0x00520500 -#define PFHMC_ERRORINFO 0x00520400 #define GLINT_CTL 0x0016CC54 #define GLINT_CTL_DIS_AUTOMASK_M BIT(0) #define GLINT_CTL_ITR_GRAN_200_S 16 @@ -159,6 +157,7 @@ #define PFINT_OICR_GRST_M BIT(20) #define PFINT_OICR_PCI_EXCEPTION_M BIT(21) #define PFINT_OICR_HMC_ERR_M BIT(26) +#define PFINT_OICR_PE_PUSH_M BIT(27) #define PFINT_OICR_PE_CRITERR_M BIT(28) #define PFINT_OICR_VFLR_M BIT(29) #define PFINT_OICR_SWINT_M BIT(31) diff --git a/drivers/net/ethernet/intel/ice/ice_idc.c b/drivers/net/ethernet/intel/ice/ice_idc.c index ef54cf7..916c356 100644 --- a/drivers/net/ethernet/intel/ice/ice_idc.c +++ b/drivers/net/ethernet/intel/ice/ice_idc.c @@ -11,6 +11,34 @@ static struct cdev_info_id ice_cdev_ids[] = ASSIGN_IIDC_INFO; /** + * ice_get_auxiliary_ops - retrieve iidc_auxiliary_ops struct + * @cdev_info: pointer to iidc_core_dev_info struct + * + * This function has to be called with a device_lock on the + * cdev_info->adev.dev to avoid race conditions. + */ +struct iidc_auxiliary_ops * +ice_get_auxiliary_ops(struct iidc_core_dev_info *cdev_info) +{ + struct iidc_auxiliary_drv *iadrv; + struct auxiliary_device *adev; + + if (!cdev_info) + return NULL; + + adev = cdev_info->adev; + if (!adev || !adev->dev.driver) + return NULL; + + iadrv = container_of(adev->dev.driver, struct iidc_auxiliary_drv, + adrv.driver); + if (!iadrv) + return NULL; + + return iadrv->ops; +} + +/** * ice_for_each_aux - iterate across and call function for each aux driver * @pf: pointer to private board struct * @data: data to pass to function on each call @@ -41,6 +69,40 @@ } /** + * ice_send_event_to_aux - send event to a specific aux driver + * @cdev_info: pointer to iidc_core_dev_info struct for this aux + * @data: opaque pointer used to pass event struct + * + * This function is only meant to be called through a ice_for_each_aux call + */ +static int +ice_send_event_to_aux(struct iidc_core_dev_info *cdev_info, void *data) +{ + struct iidc_event *event = data; + struct iidc_auxiliary_ops *ops; + + device_lock(&cdev_info->adev->dev); + ops = ice_get_auxiliary_ops(cdev_info); + if (ops && ops->event_handler) + ops->event_handler(cdev_info, event); + device_unlock(&cdev_info->adev->dev); + + return 0; +} + +/** + * ice_send_event_to_auxs - send event to all auxiliary drivers + * @pf: pointer to pf struct + * @event: pointer to iidc_event to propagate + * + * event struct to be populated by caller + */ +int ice_send_event_to_auxs(struct ice_pf *pf, struct iidc_event *event) +{ + return ice_for_each_aux(pf, event, ice_send_event_to_aux); +} + +/** * ice_unroll_cdev_info - destroy cdev_info resources * @cdev_info: ptr to cdev_info struct * @data: ptr to opaque data @@ -90,6 +152,371 @@ void ice_cdev_info_refresh_msix(struct ice_pf *pf) } /** + * ice_find_vsi - Find the VSI from VSI ID + * @pf: The PF pointer to search in + * @vsi_num: The VSI ID to search for + */ +static struct ice_vsi *ice_find_vsi(struct ice_pf *pf, u16 vsi_num) +{ + int i; + + ice_for_each_vsi(pf, i) + if (pf->vsi[i] && pf->vsi[i]->vsi_num == vsi_num) + return pf->vsi[i]; + return NULL; +} + +/** + * ice_alloc_rdma_qsets - Allocate Leaf Nodes for RDMA Qset + * @cdev_info: aux driver that is requesting the Leaf Nodes + * @res: Resources to be allocated + * @partial_acceptable: If partial allocation is acceptable + * + * This function allocates Leaf Nodes for given RDMA Qset resources + * for the aux object. + */ +static int +ice_alloc_rdma_qsets(struct iidc_core_dev_info *cdev_info, + struct iidc_res *res, + int __always_unused partial_acceptable) +{ + u16 max_rdmaqs[ICE_MAX_TRAFFIC_CLASS]; + enum ice_status status; + struct ice_vsi *vsi; + struct device *dev; + struct ice_pf *pf; + int i, ret = 0; + u32 *qset_teid; + u16 *qs_handle; + + if (!cdev_info || !res) + return -EINVAL; + + pf = pci_get_drvdata(cdev_info->pdev); + dev = ice_pf_to_dev(pf); + + if (!test_bit(ICE_FLAG_IWARP_ENA, pf->flags)) + return -EINVAL; + + if (res->cnt_req > ICE_MAX_TXQ_PER_TXQG) + return -EINVAL; + + qset_teid = kcalloc(res->cnt_req, sizeof(*qset_teid), GFP_KERNEL); + if (!qset_teid) + return -ENOMEM; + + qs_handle = kcalloc(res->cnt_req, sizeof(*qs_handle), GFP_KERNEL); + if (!qs_handle) { + kfree(qset_teid); + return -ENOMEM; + } + + ice_for_each_traffic_class(i) + max_rdmaqs[i] = 0; + + for (i = 0; i < res->cnt_req; i++) { + struct iidc_rdma_qset_params *qset; + + qset = &res->res[i].res.qsets; + if (qset->vport_id != cdev_info->vport_id) { + dev_err(dev, "RDMA QSet invalid VSI requested\n"); + ret = -EINVAL; + goto out; + } + max_rdmaqs[qset->tc]++; + qs_handle[i] = qset->qs_handle; + } + + vsi = ice_find_vsi(pf, cdev_info->vport_id); + if (!vsi) { + dev_err(dev, "RDMA QSet invalid VSI\n"); + ret = -EINVAL; + goto out; + } + + status = ice_cfg_vsi_rdma(vsi->port_info, vsi->idx, vsi->tc_cfg.ena_tc, + max_rdmaqs); + if (status) { + dev_err(dev, "Failed VSI RDMA qset config\n"); + ret = -EINVAL; + goto out; + } + + for (i = 0; i < res->cnt_req; i++) { + struct iidc_rdma_qset_params *qset; + + qset = &res->res[i].res.qsets; + status = ice_ena_vsi_rdma_qset(vsi->port_info, vsi->idx, + qset->tc, &qs_handle[i], 1, + &qset_teid[i]); + if (status) { + dev_err(dev, "Failed VSI RDMA qset enable\n"); + ret = -EINVAL; + goto out; + } + vsi->qset_handle[qset->tc] = qset->qs_handle; + qset->teid = qset_teid[i]; + } + +out: + kfree(qset_teid); + kfree(qs_handle); + return ret; +} + +/** + * ice_free_rdma_qsets - Free leaf nodes for RDMA Qset + * @cdev_info: aux driver that requested qsets to be freed + * @res: Resource to be freed + */ +static int +ice_free_rdma_qsets(struct iidc_core_dev_info *cdev_info, struct iidc_res *res) +{ + enum ice_status status; + int count, i, ret = 0; + struct ice_vsi *vsi; + struct device *dev; + struct ice_pf *pf; + u16 vsi_id; + u32 *teid; + u16 *q_id; + + if (!cdev_info || !res) + return -EINVAL; + + pf = pci_get_drvdata(cdev_info->pdev); + dev = ice_pf_to_dev(pf); + + count = res->res_allocated; + if (count > ICE_MAX_TXQ_PER_TXQG) + return -EINVAL; + + teid = kcalloc(count, sizeof(*teid), GFP_KERNEL); + if (!teid) + return -ENOMEM; + + q_id = kcalloc(count, sizeof(*q_id), GFP_KERNEL); + if (!q_id) { + kfree(teid); + return -ENOMEM; + } + + vsi_id = res->res[0].res.qsets.vport_id; + vsi = ice_find_vsi(pf, vsi_id); + if (!vsi) { + dev_err(dev, "RDMA Invalid VSI\n"); + ret = -EINVAL; + goto rdma_free_out; + } + + for (i = 0; i < count; i++) { + struct iidc_rdma_qset_params *qset; + + qset = &res->res[i].res.qsets; + if (qset->vport_id != vsi_id) { + dev_err(dev, "RDMA Invalid VSI ID\n"); + ret = -EINVAL; + goto rdma_free_out; + } + q_id[i] = qset->qs_handle; + teid[i] = qset->teid; + + vsi->qset_handle[qset->tc] = 0; + } + + status = ice_dis_vsi_rdma_qset(vsi->port_info, count, teid, q_id); + if (status) + ret = -EINVAL; + +rdma_free_out: + kfree(teid); + kfree(q_id); + + return ret; +} + +/** + * ice_cdev_info_alloc_res - Allocate requested resources for aux objects + * @cdev_info: struct for aux driver that is requesting resources + * @res: Resources to be allocated + * @partial_acceptable: If partial allocation is acceptable + * + * This function allocates requested resources for the aux object. + */ +static int +ice_cdev_info_alloc_res(struct iidc_core_dev_info *cdev_info, + struct iidc_res *res, int partial_acceptable) +{ + struct ice_pf *pf; + int ret; + + if (!cdev_info || !res) + return -EINVAL; + + pf = pci_get_drvdata(cdev_info->pdev); + if (!ice_pf_state_is_nominal(pf)) + return -EBUSY; + + switch (res->res_type) { + case IIDC_RDMA_QSETS_TXSCHED: + ret = ice_alloc_rdma_qsets(cdev_info, res, partial_acceptable); + break; + default: + ret = -EINVAL; + break; + } + + return ret; +} + +/** + * ice_cdev_info_free_res - Free given resources + * @cdev_info: struct for aux driver that is requesting freeing of resources + * @res: Resources to be freed + * + * Free/Release resources allocated to given aux objects. + */ +static int +ice_cdev_info_free_res(struct iidc_core_dev_info *cdev_info, + struct iidc_res *res) +{ + int ret; + + if (!cdev_info || !res) + return -EINVAL; + + switch (res->res_type) { + case IIDC_RDMA_QSETS_TXSCHED: + ret = ice_free_rdma_qsets(cdev_info, res); + break; + default: + ret = -EINVAL; + break; + } + + return ret; +} + +/** + * ice_cdev_info_request_reset - accept request from aux driver to perform a reset + * @cdev_info: struct for aux driver that is requesting a reset + * @reset_type: type of reset the aux driver is requesting + */ +static int +ice_cdev_info_request_reset(struct iidc_core_dev_info *cdev_info, + enum iidc_reset_type reset_type) +{ + enum ice_reset_req reset; + struct ice_pf *pf; + + if (!cdev_info) + return -EINVAL; + + pf = pci_get_drvdata(cdev_info->pdev); + + switch (reset_type) { + case IIDC_PFR: + reset = ICE_RESET_PFR; + break; + case IIDC_CORER: + reset = ICE_RESET_CORER; + break; + case IIDC_GLOBR: + reset = ICE_RESET_GLOBR; + break; + default: + dev_err(ice_pf_to_dev(pf), "incorrect reset request from aux driver\n"); + return -EINVAL; + } + + return ice_schedule_reset(pf, reset); +} + +/** + * ice_cdev_info_update_vsi_filter - update main VSI filters for RDMA + * @cdev_info: pointer to struct for aux device updating filters + * @vsi_id: VSI HW idx to update filter on + * @enable: bool whether to enable or disable filters + */ +static int +ice_cdev_info_update_vsi_filter(struct iidc_core_dev_info *cdev_info, + u16 vsi_id, bool enable) +{ + enum ice_status status; + struct ice_vsi *vsi; + struct ice_pf *pf; + + if (!cdev_info) + return -EINVAL; + + pf = pci_get_drvdata(cdev_info->pdev); + + vsi = ice_find_vsi(pf, vsi_id); + if (!vsi) + return -EINVAL; + + status = ice_cfg_iwarp_fltr(&pf->hw, vsi->idx, enable); + if (status) { + dev_err(ice_pf_to_dev(pf), "Failed to %sable iWARP filtering\n", + enable ? "en" : "dis"); + } else { + if (enable) + vsi->info.q_opt_flags |= ICE_AQ_VSI_Q_OPT_PE_FLTR_EN; + else + vsi->info.q_opt_flags &= ~ICE_AQ_VSI_Q_OPT_PE_FLTR_EN; + } + + return ice_status_to_errno(status); +} + +/** + * ice_cdev_info_vc_send - send a virt channel message from an aux driver + * @cdev_info: pointer to cdev_info struct for aux driver + * @vf_id: the absolute VF ID of recipient of message + * @msg: pointer to message contents + * @len: len of message + */ +static int +ice_cdev_info_vc_send(struct iidc_core_dev_info *cdev_info, u32 vf_id, u8 *msg, + u16 len) +{ + enum ice_status status; + struct ice_pf *pf; + + if (!cdev_info) + return -EINVAL; + if (!msg || !len) + return -ENOMEM; + + pf = pci_get_drvdata(cdev_info->pdev); + if (len > ICE_AQ_MAX_BUF_LEN) + return -EINVAL; + + if (ice_is_reset_in_progress(pf->state)) + return -EBUSY; + + switch (cdev_info->cdev_info_id) { + case IIDC_RDMA_ID: + if (vf_id >= pf->num_alloc_vfs) + return -ENODEV; + + /* VIRTCHNL_OP_IWARP is being used for RoCEv2 msg also */ + status = ice_aq_send_msg_to_vf(&pf->hw, vf_id, VIRTCHNL_OP_IWARP, + 0, msg, len, NULL); + break; + default: + dev_err(ice_pf_to_dev(pf), "aux driver (%i) not supported!", + cdev_info->cdev_info_id); + return -ENODEV; + } + + if (status) + dev_err(ice_pf_to_dev(pf), "Unable to send msg to VF, error %s\n", + ice_stat_str(status)); + return ice_status_to_errno(status); +} + +/** * ice_reserve_cdev_info_qvector - Reserve vector resources for aux drivers * @pf: board private structure to initialize */ @@ -146,6 +573,16 @@ int ice_cdev_info_update_vsi(struct iidc_core_dev_info *cdev_info, void *data) return 0; } +/* Initialize the ice_ops struct, which is used in 'ice_init_aux_devices' */ +static const struct iidc_core_ops ops = { + .alloc_res = ice_cdev_info_alloc_res, + .free_res = ice_cdev_info_free_res, + .request_reset = ice_cdev_info_request_reset, + .update_vport_filter = ice_cdev_info_update_vsi_filter, + .vc_send = ice_cdev_info_vc_send, + +}; + /** * ice_init_aux_devices - initializes cdev_info objects and aux devices * @pf: ptr to ice_pf @@ -208,6 +645,8 @@ int ice_init_aux_devices(struct ice_pf *pf) /* for DCB, override the qos_info defaults. */ ice_setup_dcb_qos_info(pf, qos_info); + /* Initialize ice_ops */ + cdev_info->ops = &ops; /* make sure aux specific resources such as msix_count and * msix_entries are initialized diff --git a/drivers/net/ethernet/intel/ice/ice_idc_int.h b/drivers/net/ethernet/intel/ice/ice_idc_int.h index 67b63c6..ce100ff 100644 --- a/drivers/net/ethernet/intel/ice/ice_idc_int.h +++ b/drivers/net/ethernet/intel/ice/ice_idc_int.h @@ -9,6 +9,9 @@ struct ice_pf; +int ice_send_event_to_auxs(struct ice_pf *pf, struct iidc_event *event); +struct iidc_auxiliary_ops * +ice_get_auxiliary_ops(struct iidc_core_dev_info *cdev_info); int ice_cdev_info_update_vsi(struct iidc_core_dev_info *cdev_info, void *data); int ice_unroll_cdev_info(struct iidc_core_dev_info *cdev_info, void *data); struct iidc_core_dev_info * diff --git a/drivers/net/ethernet/intel/ice/ice_main.c b/drivers/net/ethernet/intel/ice/ice_main.c index f569d58..2913770 100644 --- a/drivers/net/ethernet/intel/ice/ice_main.c +++ b/drivers/net/ethernet/intel/ice/ice_main.c @@ -2607,6 +2607,7 @@ static void ice_ena_misc_vector(struct ice_pf *pf) PFINT_OICR_PCI_EXCEPTION_M | PFINT_OICR_VFLR_M | PFINT_OICR_HMC_ERR_M | + PFINT_OICR_PE_PUSH_M | PFINT_OICR_PE_CRITERR_M); wr32(hw, PFINT_OICR_ENA, val); @@ -2677,8 +2678,6 @@ static irqreturn_t ice_misc_intr(int __always_unused irq, void *data) /* If a reset cycle isn't already in progress, we set a bit in * pf->state so that the service task can start a reset/rebuild. - * We also make note of which reset happened so that peer - * devices/drivers can be informed. */ if (!test_and_set_bit(__ICE_RESET_OICR_RECV, pf->state)) { if (reset == ICE_RESET_CORER) @@ -2705,11 +2704,19 @@ static irqreturn_t ice_misc_intr(int __always_unused irq, void *data) } } - if (oicr & PFINT_OICR_HMC_ERR_M) { - ena_mask &= ~PFINT_OICR_HMC_ERR_M; - dev_dbg(dev, "HMC Error interrupt - info 0x%x, data 0x%x\n", - rd32(hw, PFHMC_ERRORINFO), - rd32(hw, PFHMC_ERRORDATA)); +#define ICE_AUX_CRIT_ERR (PFINT_OICR_PE_CRITERR_M | PFINT_OICR_HMC_ERR_M | PFINT_OICR_PE_PUSH_M) + if (oicr & ICE_AUX_CRIT_ERR) { + struct iidc_event *event; + + ena_mask &= ~ICE_AUX_CRIT_ERR; + event = kzalloc(sizeof(*event), GFP_KERNEL); + if (event) { + set_bit(IIDC_EVENT_CRIT_ERR, event->type); + /* report the entire OICR value to aux driver */ + event->info.reg = oicr; + ice_send_event_to_auxs(pf, event); + kfree(event); + } } /* Report any remaining unexpected interrupts */ @@ -2719,8 +2726,7 @@ static irqreturn_t ice_misc_intr(int __always_unused irq, void *data) /* If a critical error is pending there is no choice but to * reset the device. */ - if (oicr & (PFINT_OICR_PE_CRITERR_M | - PFINT_OICR_PCI_EXCEPTION_M | + if (oicr & (PFINT_OICR_PCI_EXCEPTION_M | PFINT_OICR_ECC_ERR_M)) { set_bit(__ICE_PFR_REQ, pf->state); ice_service_task_schedule(pf); @@ -4454,10 +4460,11 @@ static void ice_remove(struct pci_dev *pdev) ice_free_vfs(pf); } - set_bit(__ICE_DOWN, pf->state); ice_service_task_stop(pf); ice_aq_cancel_waiting_tasks(pf); + ice_for_each_aux(pf, NULL, ice_unroll_cdev_info); + set_bit(__ICE_DOWN, pf->state); mutex_destroy(&(&pf->hw)->fdir_fltr_lock); ice_deinit_lag(pf); @@ -6224,7 +6231,9 @@ static int ice_change_mtu(struct net_device *netdev, int new_mtu) struct ice_netdev_priv *np = netdev_priv(netdev); struct ice_vsi *vsi = np->vsi; struct ice_pf *pf = vsi->back; + struct iidc_event *event; u8 count = 0; + int err = 0; if (new_mtu == (int)netdev->mtu) { netdev_warn(netdev, "MTU is already %u\n", netdev->mtu); @@ -6257,27 +6266,38 @@ static int ice_change_mtu(struct net_device *netdev, int new_mtu) return -EBUSY; } + event = kzalloc(sizeof(*event), GFP_KERNEL); + if (!event) + return -ENOMEM; + + set_bit(IIDC_EVENT_BEFORE_MTU_CHANGE, event->type); + ice_send_event_to_auxs(pf, event); + clear_bit(IIDC_EVENT_BEFORE_MTU_CHANGE, event->type); + netdev->mtu = (unsigned int)new_mtu; /* if VSI is up, bring it down and then back up */ if (!test_and_set_bit(__ICE_DOWN, vsi->state)) { - int err; - err = ice_down(vsi); if (err) { netdev_err(netdev, "change MTU if_down err %d\n", err); - return err; + goto free_event; } err = ice_up(vsi); if (err) { netdev_err(netdev, "change MTU if_up err %d\n", err); - return err; + goto free_event; } } netdev_dbg(netdev, "changed MTU to %d\n", new_mtu); - return 0; +free_event: + set_bit(IIDC_EVENT_AFTER_MTU_CHANGE, event->type); + ice_send_event_to_auxs(pf, event); + kfree(event); + + return err; } /** diff --git a/drivers/net/ethernet/intel/ice/ice_sched.c b/drivers/net/ethernet/intel/ice/ice_sched.c index 2403cb3..c30e7d4 100644 --- a/drivers/net/ethernet/intel/ice/ice_sched.c +++ b/drivers/net/ethernet/intel/ice/ice_sched.c @@ -596,6 +596,50 @@ void ice_free_sched_node(struct ice_port_info *pi, struct ice_sched_node *node) } /** + * ice_alloc_rdma_q_ctx - allocate RDMA queue contexts for the given VSI and TC + * @hw: pointer to the HW struct + * @vsi_handle: VSI handle + * @tc: TC number + * @new_numqs: number of queues + */ +static enum ice_status +ice_alloc_rdma_q_ctx(struct ice_hw *hw, u16 vsi_handle, u8 tc, u16 new_numqs) +{ + struct ice_vsi_ctx *vsi_ctx; + struct ice_q_ctx *q_ctx; + + vsi_ctx = ice_get_vsi_ctx(hw, vsi_handle); + if (!vsi_ctx) + return ICE_ERR_PARAM; + /* allocate RDMA queue contexts */ + if (!vsi_ctx->rdma_q_ctx[tc]) { + vsi_ctx->rdma_q_ctx[tc] = devm_kcalloc(ice_hw_to_dev(hw), + new_numqs, + sizeof(*q_ctx), + GFP_KERNEL); + if (!vsi_ctx->rdma_q_ctx[tc]) + return ICE_ERR_NO_MEMORY; + vsi_ctx->num_rdma_q_entries[tc] = new_numqs; + return 0; + } + /* num queues are increased, update the queue contexts */ + if (new_numqs > vsi_ctx->num_rdma_q_entries[tc]) { + u16 prev_num = vsi_ctx->num_rdma_q_entries[tc]; + + q_ctx = devm_kcalloc(ice_hw_to_dev(hw), new_numqs, + sizeof(*q_ctx), GFP_KERNEL); + if (!q_ctx) + return ICE_ERR_NO_MEMORY; + memcpy(q_ctx, vsi_ctx->rdma_q_ctx[tc], + prev_num * sizeof(*q_ctx)); + devm_kfree(ice_hw_to_dev(hw), vsi_ctx->rdma_q_ctx[tc]); + vsi_ctx->rdma_q_ctx[tc] = q_ctx; + vsi_ctx->num_rdma_q_entries[tc] = new_numqs; + } + return 0; +} + +/** * ice_aq_rl_profile - performs a rate limiting task * @hw: pointer to the HW struct * @opcode: opcode for add, query, or remove profile(s) @@ -1749,13 +1793,22 @@ struct ice_sched_node * if (!vsi_ctx) return ICE_ERR_PARAM; - prev_numqs = vsi_ctx->sched.max_lanq[tc]; + if (owner == ICE_SCHED_NODE_OWNER_LAN) + prev_numqs = vsi_ctx->sched.max_lanq[tc]; + else + prev_numqs = vsi_ctx->sched.max_rdmaq[tc]; /* num queues are not changed or less than the previous number */ if (new_numqs <= prev_numqs) return status; - status = ice_alloc_lan_q_ctx(hw, vsi_handle, tc, new_numqs); - if (status) - return status; + if (owner == ICE_SCHED_NODE_OWNER_LAN) { + status = ice_alloc_lan_q_ctx(hw, vsi_handle, tc, new_numqs); + if (status) + return status; + } else { + status = ice_alloc_rdma_q_ctx(hw, vsi_handle, tc, new_numqs); + if (status) + return status; + } if (new_numqs) ice_sched_calc_vsi_child_nodes(hw, new_numqs, new_num_nodes); @@ -1770,7 +1823,10 @@ struct ice_sched_node * new_num_nodes, owner); if (status) return status; - vsi_ctx->sched.max_lanq[tc] = new_numqs; + if (owner == ICE_SCHED_NODE_OWNER_LAN) + vsi_ctx->sched.max_lanq[tc] = new_numqs; + else + vsi_ctx->sched.max_rdmaq[tc] = new_numqs; return 0; } @@ -1836,6 +1892,7 @@ enum ice_status * recreate the child nodes all the time in these cases. */ vsi_ctx->sched.max_lanq[tc] = 0; + vsi_ctx->sched.max_rdmaq[tc] = 0; } /* update the VSI child nodes */ @@ -1965,6 +2022,8 @@ static bool ice_sched_is_leaf_node_present(struct ice_sched_node *node) } if (owner == ICE_SCHED_NODE_OWNER_LAN) vsi_ctx->sched.max_lanq[i] = 0; + else + vsi_ctx->sched.max_rdmaq[i] = 0; } status = 0; diff --git a/drivers/net/ethernet/intel/ice/ice_switch.c b/drivers/net/ethernet/intel/ice/ice_switch.c index 67c965a..ebb8453 100644 --- a/drivers/net/ethernet/intel/ice/ice_switch.c +++ b/drivers/net/ethernet/intel/ice/ice_switch.c @@ -302,6 +302,10 @@ static void ice_clear_vsi_q_ctx(struct ice_hw *hw, u16 vsi_handle) devm_kfree(ice_hw_to_dev(hw), vsi->lan_q_ctx[i]); vsi->lan_q_ctx[i] = NULL; } + if (vsi->rdma_q_ctx[i]) { + devm_kfree(ice_hw_to_dev(hw), vsi->rdma_q_ctx[i]); + vsi->rdma_q_ctx[i] = NULL; + } } } @@ -423,6 +427,29 @@ enum ice_status } /** + * ice_cfg_iwarp_fltr - enable/disable iWARP filtering on VSI + * @hw: pointer to HW struct + * @vsi_handle: VSI SW index + * @enable: boolean for enable/disable + */ +enum ice_status +ice_cfg_iwarp_fltr(struct ice_hw *hw, u16 vsi_handle, bool enable) +{ + struct ice_vsi_ctx *ctx; + + ctx = ice_get_vsi_ctx(hw, vsi_handle); + if (!ctx) + return ICE_ERR_DOES_NOT_EXIST; + + if (enable) + ctx->info.q_opt_flags |= ICE_AQ_VSI_Q_OPT_PE_FLTR_EN; + else + ctx->info.q_opt_flags &= ~ICE_AQ_VSI_Q_OPT_PE_FLTR_EN; + + return ice_update_vsi(hw, vsi_handle, ctx, NULL); +} + +/** * ice_aq_alloc_free_vsi_list * @hw: pointer to the HW struct * @vsi_list_id: VSI list ID returned or used for lookup diff --git a/drivers/net/ethernet/intel/ice/ice_switch.h b/drivers/net/ethernet/intel/ice/ice_switch.h index 8b4f9d3..6821cf7 100644 --- a/drivers/net/ethernet/intel/ice/ice_switch.h +++ b/drivers/net/ethernet/intel/ice/ice_switch.h @@ -26,6 +26,8 @@ struct ice_vsi_ctx { u8 vf_num; u16 num_lan_q_entries[ICE_MAX_TRAFFIC_CLASS]; struct ice_q_ctx *lan_q_ctx[ICE_MAX_TRAFFIC_CLASS]; + u16 num_rdma_q_entries[ICE_MAX_TRAFFIC_CLASS]; + struct ice_q_ctx *rdma_q_ctx[ICE_MAX_TRAFFIC_CLASS]; }; enum ice_sw_fwd_act_type { @@ -223,6 +225,8 @@ enum ice_status ice_add_eth_mac(struct ice_hw *hw, struct list_head *em_list); enum ice_status ice_remove_eth_mac(struct ice_hw *hw, struct list_head *em_list); +enum ice_status +ice_cfg_iwarp_fltr(struct ice_hw *hw, u16 vsi_handle, bool enable); void ice_remove_vsi_fltr(struct ice_hw *hw, u16 vsi_handle); enum ice_status ice_add_vlan(struct ice_hw *hw, struct list_head *m_list); diff --git a/drivers/net/ethernet/intel/ice/ice_type.h b/drivers/net/ethernet/intel/ice/ice_type.h index 4eaab60..0b77358 100644 --- a/drivers/net/ethernet/intel/ice/ice_type.h +++ b/drivers/net/ethernet/intel/ice/ice_type.h @@ -45,6 +45,7 @@ static inline u32 ice_round_to_num(u32 N, u32 R) #define ICE_DBG_FLOW BIT_ULL(9) #define ICE_DBG_SW BIT_ULL(13) #define ICE_DBG_SCHED BIT_ULL(14) +#define ICE_DBG_RDMA BIT_ULL(15) #define ICE_DBG_PKG BIT_ULL(16) #define ICE_DBG_RES BIT_ULL(17) #define ICE_DBG_AQ_MSG BIT_ULL(24) @@ -423,6 +424,7 @@ struct ice_sched_node { u8 tc_num; u8 owner; #define ICE_SCHED_NODE_OWNER_LAN 0 +#define ICE_SCHED_NODE_OWNER_RDMA 2 }; /* Access Macros for Tx Sched Elements data */ @@ -494,6 +496,7 @@ struct ice_sched_vsi_info { struct ice_sched_node *ag_node[ICE_MAX_TRAFFIC_CLASS]; struct list_head list_entry; u16 max_lanq[ICE_MAX_TRAFFIC_CLASS]; + u16 max_rdmaq[ICE_MAX_TRAFFIC_CLASS]; }; /* driver defines the policy */ diff --git a/drivers/net/ethernet/intel/ice/ice_virtchnl_pf.c b/drivers/net/ethernet/intel/ice/ice_virtchnl_pf.c index 1f38a8d..fa70abb 100644 --- a/drivers/net/ethernet/intel/ice/ice_virtchnl_pf.c +++ b/drivers/net/ethernet/intel/ice/ice_virtchnl_pf.c @@ -3680,6 +3680,37 @@ static int ice_vc_dis_vlan_stripping(struct ice_vf *vf) } /** + * ice_vc_rdma_msg - send msg to RDMA PF from VF + * @vf: pointer to VF info + * @msg: pointer to msg buffer + * @len: length of the message + * + * This function is called indirectly from the AQ clean function. + */ +static int ice_vc_rdma_msg(struct ice_vf *vf, u8 *msg, u16 len) +{ + struct iidc_core_dev_info *rcdi; + struct iidc_auxiliary_ops *ops; + int ret = 0; + + rcdi = ice_find_cdev_info_by_id(vf->pf, IIDC_RDMA_ID); + if (!rcdi) { + pr_err("VF attempted to send message to invalid RDMA driver\n"); + return -EIO; + } + + device_lock(&rcdi->adev->dev); + ops = ice_get_auxiliary_ops(rcdi); + if (ops && ops->vc_receive) + ret = ops->vc_receive(rcdi, vf->vf_id, msg, len); + device_unlock(&rcdi->adev->dev); + if (ret) + pr_err("Failed to send message to RDMA driver, error %d\n", ret); + + return ret; +} + +/** * ice_vf_init_vlan_stripping - enable/disable VLAN stripping on initialization * @vf: VF to enable/disable VLAN stripping for on initialization * @@ -3816,6 +3847,9 @@ void ice_vc_process_vf_msg(struct ice_pf *pf, struct ice_rq_event_info *event) case VIRTCHNL_OP_DISABLE_VLAN_STRIPPING: err = ice_vc_dis_vlan_stripping(vf); break; + case VIRTCHNL_OP_IWARP: + err = ice_vc_rdma_msg(vf, msg, msglen); + break; case VIRTCHNL_OP_UNKNOWN: default: dev_err(dev, "Unsupported opcode %d from VF %d\n", v_opcode,