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From: Ye Xiaolong <xiaolong.ye@intel.com>
To: Haiyue Wang <haiyue.wang@intel.com>
Cc: dev@dpdk.org, qi.z.zhang@intel.com, qiming.yang@intel.com,
	beilei.xing@intel.com, wei.zhao1@intel.com
Subject: Re: [dpdk-dev] [PATCH v2 7/7] net/ice: get the VF hardware index in DCF
Date: Fri, 13 Mar 2020 15:01:28 +0800
Message-ID: <20200313070128.GF44839@intel.com> (raw)
In-Reply-To: <20200310065029.40966-8-haiyue.wang@intel.com>

On 03/10, Haiyue Wang wrote:
>The DCF (Device Config Function) needs the hardware index of the VFs to
>control the flow setting. And also if the VF resets, the index may be
>changed, so it should handle this in VF reset event.
>
>Signed-off-by: Haiyue Wang <haiyue.wang@intel.com>
>---
> drivers/net/ice/ice_dcf.c        | 81 +++++++++++++++++++++++++++++++
> drivers/net/ice/ice_dcf.h        |  4 ++
> drivers/net/ice/ice_dcf_parent.c | 83 +++++++++++++++++++++++++++++++-
> 3 files changed, 167 insertions(+), 1 deletion(-)
>
>diff --git a/drivers/net/ice/ice_dcf.c b/drivers/net/ice/ice_dcf.c
>index 480c449f5..1d3c8fa95 100644
>--- a/drivers/net/ice/ice_dcf.c
>+++ b/drivers/net/ice/ice_dcf.c
>@@ -269,6 +269,63 @@ ice_dcf_get_vf_resource(struct ice_dcf_hw *hw)
> 	return 0;
> }
> 
>+static int
>+ice_dcf_get_vf_vsi_map(struct ice_dcf_hw *hw)
>+{
>+	struct virtchnl_dcf_vsi_map *vsi_map;
>+	uint16_t len;
>+	int err;
>+
>+	err = ice_dcf_send_cmd_req_no_irq(hw, VIRTCHNL_OP_DCF_GET_VSI_MAP,
>+					  NULL, 0);
>+	if (err) {
>+		PMD_DRV_LOG(ERR, "Fail to send msg OP_DCF_GET_VSI_MAP");

Better to make the err log format consistent, either "Failed to xxx" or "Fail to xxxx",
I prefer to "Failed to xxx".


>+		return err;
>+	}
>+
>+	err = ice_dcf_recv_cmd_rsp_no_irq(hw, VIRTCHNL_OP_DCF_GET_VSI_MAP,
>+					  hw->arq_buf, ICE_DCF_AQ_BUF_SZ,
>+					  &len);
>+	if (err) {
>+		PMD_DRV_LOG(ERR, "Fail to get response of OP_DCF_GET_VSI_MAP");
>+		return err;
>+	}
>+
>+	vsi_map = (struct virtchnl_dcf_vsi_map *)hw->arq_buf;
>+	if (len < sizeof(*vsi_map) || !vsi_map->num_vfs ||
>+	    len < sizeof(*vsi_map) +
>+			(vsi_map->num_vfs - 1) * sizeof(vsi_map->vf_vsi[0])) {

Better to use a tmp variable to make the code more readable.
And is the first len < sizeof(*vsi_map) redundant?

>+		PMD_DRV_LOG(ERR, "invalid vf vsi map response with length %u",
>+			    len);
>+		return -EINVAL;
>+	}
>+
>+	if (hw->num_vfs != 0 && hw->num_vfs != vsi_map->num_vfs) {
>+		PMD_DRV_LOG(ERR, "The number VSI map (%u) doesn't match the number of VFs (%u)",
>+			    vsi_map->num_vfs, hw->num_vfs);
>+		return -EINVAL;
>+	}
>+
>+	len = vsi_map->num_vfs * sizeof(vsi_map->vf_vsi[0]);
>+	if (!hw->vf_vsi_map) {
>+		hw->num_vfs = vsi_map->num_vfs;
>+		hw->vf_vsi_map = rte_zmalloc("vf_vsi_ctx", len, 0);
>+	}
>+
>+	if (!hw->vf_vsi_map) {
>+		PMD_DRV_LOG(ERR, "Fail to alloc memory for VSI context");
>+		return -ENOMEM;
>+	}

I think above two blocks can be combined with one if (!hw->vf_vsi_map).

>+
>+	if (!memcmp(hw->vf_vsi_map, vsi_map->vf_vsi, len)) {
>+		PMD_DRV_LOG(DEBUG, "VF VSI map doesn't change");
>+		return 1;
>+	}
>+
>+	rte_memcpy(hw->vf_vsi_map, vsi_map->vf_vsi, len);
>+	return 0;
>+}
>+
> static int
> ice_dcf_mode_disable(struct ice_dcf_hw *hw)
> {
>@@ -467,6 +524,23 @@ ice_dcf_send_aq_cmd(void *dcf_hw, struct ice_aq_desc *desc,
> 	return err;
> }
> 
>+int
>+ice_dcf_handle_vsi_update_event(struct ice_dcf_hw *hw)
>+{
>+	int err = 0;
>+
>+	rte_spinlock_lock(&hw->vc_cmd_send_lock);
>+	ice_dcf_disable_irq0(hw);
>+
>+	if (ice_dcf_get_vf_resource(hw) || ice_dcf_get_vf_vsi_map(hw))
>+		err = -1;
>+
>+	ice_dcf_enable_irq0(hw);
>+	rte_spinlock_unlock(&hw->vc_cmd_send_lock);
>+
>+	return err;
>+}
>+
> int
> ice_dcf_init_hw(struct rte_eth_dev *eth_dev, struct ice_dcf_hw *hw)
> {
>@@ -534,6 +608,12 @@ ice_dcf_init_hw(struct rte_eth_dev *eth_dev, struct ice_dcf_hw *hw)
> 		goto err_alloc;
> 	}
> 
>+	if (ice_dcf_get_vf_vsi_map(hw) < 0) {
>+		PMD_INIT_LOG(ERR, "Failed to get VF VSI map");
>+		ice_dcf_mode_disable(hw);
>+		goto err_alloc;
>+	}
>+
> 	rte_intr_callback_register(&pci_dev->intr_handle,
> 				   ice_dcf_dev_interrupt_handler, hw);
> 	rte_intr_enable(&pci_dev->intr_handle);
>@@ -566,5 +646,6 @@ ice_dcf_uninit_hw(struct rte_eth_dev *eth_dev, struct ice_dcf_hw *hw)
> 	iavf_shutdown_adminq(&hw->avf);
> 
> 	rte_free(hw->arq_buf);
>+	rte_free(hw->vf_vsi_map);
> 	rte_free(hw->vf_res);
> }
>diff --git a/drivers/net/ice/ice_dcf.h b/drivers/net/ice/ice_dcf.h
>index ecd6303a0..12bef4a2a 100644
>--- a/drivers/net/ice/ice_dcf.h
>+++ b/drivers/net/ice/ice_dcf.h
>@@ -41,6 +41,9 @@ struct ice_dcf_hw {
> 
> 	uint8_t *arq_buf;
> 
>+	uint16_t num_vfs;
>+	uint16_t *vf_vsi_map;
>+
> 	struct virtchnl_version_info virtchnl_version;
> 	struct virtchnl_vf_resource *vf_res; /* VF resource */
> 	struct virtchnl_vsi_resource *vsi_res; /* LAN VSI */
>@@ -51,6 +54,7 @@ int ice_dcf_execute_virtchnl_cmd(struct ice_dcf_hw *hw,
> 				 struct dcf_virtchnl_cmd *cmd);
> int ice_dcf_send_aq_cmd(void *dcf_hw, struct ice_aq_desc *desc,
> 			void *buf, uint16_t buf_size);
>+int ice_dcf_handle_vsi_update_event(struct ice_dcf_hw *hw);
> int ice_dcf_init_hw(struct rte_eth_dev *eth_dev, struct ice_dcf_hw *hw);
> void ice_dcf_uninit_hw(struct rte_eth_dev *eth_dev, struct ice_dcf_hw *hw);
> 
>diff --git a/drivers/net/ice/ice_dcf_parent.c b/drivers/net/ice/ice_dcf_parent.c
>index 4c3bb68b1..2735221e9 100644
>--- a/drivers/net/ice/ice_dcf_parent.c
>+++ b/drivers/net/ice/ice_dcf_parent.c
>@@ -5,10 +5,76 @@
> #include <sys/stat.h>
> #include <unistd.h>
> 
>+#include <rte_alarm.h>
>+
> #include "ice_dcf_ethdev.h"
> 
>+#define ICE_DCF_VSI_UPDATE_SERVICE_INTERVAL	100000 /* us */
>+
>+static __rte_always_inline void
>+ice_dcf_update_vsi_ctx(struct ice_hw *hw, uint16_t vsi_handle,
>+		       uint16_t vsi_map)
>+{
>+	struct ice_vsi_ctx *vsi_ctx;
>+
>+	if (unlikely(vsi_handle >= ICE_MAX_VSI)) {
>+		PMD_DRV_LOG(ERR, "Invalid vsi handle %u", vsi_handle);
>+		return;
>+	}
>+
>+	vsi_ctx = hw->vsi_ctx[vsi_handle];
>+
>+	if (vsi_map & VIRTCHNL_DCF_VF_VSI_VALID) {
>+		if (!vsi_ctx)
>+			vsi_ctx = ice_malloc(hw, sizeof(*vsi_ctx));
>+
>+		if (!vsi_ctx) {
>+			PMD_DRV_LOG(ERR, "No memory for vsi context %u",
>+				    vsi_handle);
>+			return;
>+		}

Above two blocks can be combined.

>+
>+		vsi_ctx->vsi_num = (vsi_map & VIRTCHNL_DCF_VF_VSI_ID_M) >>
>+					      VIRTCHNL_DCF_VF_VSI_ID_S;
>+		hw->vsi_ctx[vsi_handle] = vsi_ctx;
>+
>+		PMD_DRV_LOG(DEBUG, "VF%u is assigned with vsi number %u",
>+			    vsi_handle, vsi_ctx->vsi_num);
>+	} else {
>+		hw->vsi_ctx[vsi_handle] = NULL;
>+
>+		ice_free(hw, vsi_ctx);
>+
>+		PMD_DRV_LOG(NOTICE, "VF%u is disabled", vsi_handle);
>+	}
>+}
>+
>+static void
>+ice_dcf_update_vf_vsi_map(struct ice_hw *hw, uint16_t num_vfs,
>+			  uint16_t *vf_vsi_map)
>+{
>+	uint16_t vf_id;
>+
>+	for (vf_id = 0; vf_id < num_vfs; vf_id++)
>+		ice_dcf_update_vsi_ctx(hw, vf_id, vf_vsi_map[vf_id]);
>+}
>+
>+static void
>+ice_dcf_vsi_update_service_handler(void *param)
>+{
>+	struct ice_dcf_hw *hw = param;
>+
>+	if (!ice_dcf_handle_vsi_update_event(hw)) {
>+		struct ice_dcf_adapter *dcf_ad =
>+			container_of(hw, struct ice_dcf_adapter, real_hw);
>+
>+		ice_dcf_update_vf_vsi_map(&dcf_ad->parent.hw,
>+					  hw->num_vfs, hw->vf_vsi_map);
>+	}
>+}
>+
> void
>-ice_dcf_handle_pf_event_msg(__rte_unused struct ice_dcf_hw *dcf_hw,
>+ice_dcf_handle_pf_event_msg(struct ice_dcf_hw *dcf_hw,
> 			    uint8_t *msg, uint16_t msglen)
> {
> 	struct virtchnl_pf_event *pf_msg = (struct virtchnl_pf_event *)msg;
>@@ -21,6 +87,8 @@ ice_dcf_handle_pf_event_msg(__rte_unused struct ice_dcf_hw *dcf_hw,
> 	switch (pf_msg->event) {
> 	case VIRTCHNL_EVENT_RESET_IMPENDING:
> 		PMD_DRV_LOG(DEBUG, "VIRTCHNL_EVENT_RESET_IMPENDING event");
>+		rte_eal_alarm_set(ICE_DCF_VSI_UPDATE_SERVICE_INTERVAL * 2,
>+				  ice_dcf_vsi_update_service_handler, dcf_hw);

Why * 2 for the VIRTCHNL_EVENT_RESET_IMPENDING event?

> 		break;
> 	case VIRTCHNL_EVENT_LINK_CHANGE:
> 		PMD_DRV_LOG(DEBUG, "VIRTCHNL_EVENT_LINK_CHANGE event");
>@@ -28,6 +96,13 @@ ice_dcf_handle_pf_event_msg(__rte_unused struct ice_dcf_hw *dcf_hw,
> 	case VIRTCHNL_EVENT_PF_DRIVER_CLOSE:
> 		PMD_DRV_LOG(DEBUG, "VIRTCHNL_EVENT_PF_DRIVER_CLOSE event");
> 		break;
>+	case VIRTCHNL_EVENT_DCF_VSI_MAP_UPDATE:
>+		PMD_DRV_LOG(DEBUG, "VIRTCHNL_EVENT_DCF_VSI_MAP_UPDATE event : VF%u with VSI num %u",
>+			    pf_msg->event_data.vf_vsi_map.vf_id,
>+			    pf_msg->event_data.vf_vsi_map.vsi_id);
>+		rte_eal_alarm_set(ICE_DCF_VSI_UPDATE_SERVICE_INTERVAL,
>+				  ice_dcf_vsi_update_service_handler, dcf_hw);
>+		break;
> 	default:
> 		PMD_DRV_LOG(ERR, "Unknown event received %u", pf_msg->event);
> 		break;
>@@ -235,6 +310,9 @@ ice_dcf_init_parent_adapter(struct rte_eth_dev *eth_dev)
> 	}
> 	parent_adapter->active_pkg_type = ice_load_pkg_type(parent_hw);
> 
>+	ice_dcf_update_vf_vsi_map(parent_hw,
>+				  hw->num_vfs, hw->vf_vsi_map);
>+

No need to split into 2 lines.

> 	mac = (const struct rte_ether_addr *)hw->avf.mac.addr;
> 	if (rte_is_valid_assigned_ether_addr(mac))
> 		rte_ether_addr_copy(mac, &parent_adapter->pf.dev_addr);
>@@ -259,5 +337,8 @@ ice_dcf_uninit_parent_adapter(struct rte_eth_dev *eth_dev)
> 
> 	eth_dev->data->mac_addrs = NULL;
> 
>+	rte_eal_alarm_cancel(ice_dcf_vsi_update_service_handler,
>+			     &adapter->real_hw);
>+
> 	ice_dcf_uninit_parent_hw(parent_hw);
> }
>-- 
>2.25.1
>

  reply index

Thread overview: 94+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-03-09 14:14 [dpdk-dev] [PATCH v1 0/4] add Intel DCF PMD support Haiyue Wang
2020-03-09 14:14 ` [dpdk-dev] [PATCH v1 1/4] net/iavf: stop the PCI probe in DCF mode Haiyue Wang
2020-03-09 15:38   ` Ye Xiaolong
2020-03-10  2:19     ` Wang, Haiyue
2020-03-10  3:37       ` Ye Xiaolong
2020-03-10  4:26         ` Wang, Haiyue
2020-03-23  1:50   ` Wu, Jingjing
2020-03-23  1:55     ` Wang, Haiyue
2020-03-09 14:14 ` [dpdk-dev] [PATCH v1 2/4] net/ice: export the DDP definition symbols Haiyue Wang
2020-03-09 16:25   ` Ye Xiaolong
2020-03-09 14:14 ` [dpdk-dev] [PATCH v1 3/4] net/ice: add the DCF framework Haiyue Wang
2020-03-10  4:17   ` Ye Xiaolong
2020-03-10  5:09     ` Wang, Haiyue
2020-03-10  5:23       ` Ye Xiaolong
2020-03-09 14:14 ` [dpdk-dev] [PATCH v1 4/4] doc: add release notes for Intel ice PMD Haiyue Wang
2020-03-09 15:22   ` Ye Xiaolong
2020-03-10  2:16     ` Wang, Haiyue
2020-03-09 15:36 ` [dpdk-dev] [PATCH v1 0/4] add Intel DCF PMD support David Marchand
2020-03-09 16:20   ` Ye Xiaolong
2020-03-09 17:57     ` Thomas Monjalon
2020-03-09 19:34       ` Kevin Traynor
2020-03-10  2:00         ` Wang, Haiyue
2020-03-10  7:48           ` Thomas Monjalon
2020-03-10  9:36             ` Ferruh Yigit
2020-03-10 14:11               ` Aaron Conole
2020-03-10 14:09   ` Aaron Conole
2020-03-10  6:50 ` [dpdk-dev] [PATCH v2 0/7] " Haiyue Wang
2020-03-10  6:50   ` [dpdk-dev] [PATCH v2 1/7] net/iavf: stop the PCI probe in DCF mode Haiyue Wang
2020-03-13  5:27     ` Ye Xiaolong
2020-03-10  6:50   ` [dpdk-dev] [PATCH v2 2/7] net/ice: add the DCF hardware initialization Haiyue Wang
2020-03-10  6:50   ` [dpdk-dev] [PATCH v2 3/7] net/ice: initiate to acquire the DCF capability Haiyue Wang
2020-03-13  5:51     ` Ye Xiaolong
2020-03-13  6:19       ` Wang, Haiyue
2020-03-13  6:04     ` Ye Xiaolong
2020-03-13  6:10       ` Wang, Haiyue
2020-03-10  6:50   ` [dpdk-dev] [PATCH v2 4/7] net/ice: handle the AdminQ command by DCF Haiyue Wang
2020-03-10  6:50   ` [dpdk-dev] [PATCH v2 5/7] net/ice: export the DDP definition symbols Haiyue Wang
2020-03-10  6:50   ` [dpdk-dev] [PATCH v2 6/7] net/ice: handle the PF initialization by DCF Haiyue Wang
2020-03-13  7:59     ` Ye Xiaolong
2020-03-13  8:03       ` Ye Xiaolong
2020-03-16  4:52       ` Wang, Haiyue
2020-03-13 14:06     ` Ye Xiaolong
2020-03-13 14:11       ` Wang, Haiyue
2020-03-10  6:50   ` [dpdk-dev] [PATCH v2 7/7] net/ice: get the VF hardware index in DCF Haiyue Wang
2020-03-13  7:01     ` Ye Xiaolong [this message]
2020-03-16  5:58       ` Wang, Haiyue
2020-03-13 16:19   ` [dpdk-dev] [PATCH v2 0/7] add Intel DCF PMD support Stillwell Jr, Paul M
2020-03-13 16:25     ` Wang, Haiyue
2020-03-13 16:50       ` Stillwell Jr, Paul M
2020-03-13 17:05         ` Wang, Haiyue
2020-03-13 17:47           ` Stillwell Jr, Paul M
2020-03-14  1:57             ` Wang, Haiyue
2020-03-15  1:49     ` Zhang, Qi Z
2020-03-16 18:54       ` Stillwell Jr, Paul M
2020-03-17  2:35         ` Wang, Haiyue
2020-03-16  5:52 ` [dpdk-dev] [PATCH v3 " Haiyue Wang
2020-03-16  5:52   ` [dpdk-dev] [PATCH v3 1/7] net/iavf: stop the PCI probe in DCF mode Haiyue Wang
2020-03-16  5:52   ` [dpdk-dev] [PATCH v3 2/7] net/ice: add the DCF hardware initialization Haiyue Wang
2020-03-16  5:52   ` [dpdk-dev] [PATCH v3 3/7] net/ice: acquire and disable the DCF capability Haiyue Wang
2020-03-16  5:52   ` [dpdk-dev] [PATCH v3 4/7] net/ice: handle the AdminQ command by DCF Haiyue Wang
2020-03-16  5:52   ` [dpdk-dev] [PATCH v3 5/7] net/ice: export the DDP definition symbols Haiyue Wang
2020-03-16  5:52   ` [dpdk-dev] [PATCH v3 6/7] net/ice: handle the PF initialization by DCF Haiyue Wang
2020-03-16  5:52   ` [dpdk-dev] [PATCH v3 7/7] net/ice: get the VF hardware index in DCF Haiyue Wang
2020-03-26  3:03 ` [dpdk-dev] [PATCH v4 0/7] add Intel DCF PMD support Haiyue Wang
2020-03-26  3:03   ` [dpdk-dev] [PATCH v4 1/7] net/iavf: stop the PCI probe in DCF mode Haiyue Wang
2020-03-26  3:28     ` Wu, Jingjing
2020-03-26  3:03   ` [dpdk-dev] [PATCH v4 2/7] net/ice: add the DCF hardware initialization Haiyue Wang
2020-03-26  3:03   ` [dpdk-dev] [PATCH v4 3/7] net/ice: acquire and disable the DCF capability Haiyue Wang
2020-03-26  3:03   ` [dpdk-dev] [PATCH v4 4/7] net/ice: handle the AdminQ command by DCF Haiyue Wang
2020-03-26  3:03   ` [dpdk-dev] [PATCH v4 5/7] net/ice: export the DDP definition symbols Haiyue Wang
2020-03-26  3:03   ` [dpdk-dev] [PATCH v4 6/7] net/ice: handle the PF initialization by DCF Haiyue Wang
2020-03-26  3:03   ` [dpdk-dev] [PATCH v4 7/7] net/ice: get the VF hardware index in DCF Haiyue Wang
2020-03-26  4:11   ` [dpdk-dev] [PATCH v4 0/7] add Intel DCF PMD support Zhang, Qi Z
2020-03-26  5:05   ` Ye Xiaolong
2020-03-26  5:26     ` Wang, Haiyue
2020-03-26  7:15 ` [dpdk-dev] [PATCH v5 " Haiyue Wang
2020-03-26  7:15   ` [dpdk-dev] [PATCH v5 1/7] net/iavf: stop the PCI probe in DCF mode Haiyue Wang
2020-03-26  7:15   ` [dpdk-dev] [PATCH v5 2/7] net/ice: add the DCF hardware initialization Haiyue Wang
2020-03-26  7:15   ` [dpdk-dev] [PATCH v5 3/7] net/ice: acquire and disable the DCF capability Haiyue Wang
2020-03-26  7:15   ` [dpdk-dev] [PATCH v5 4/7] net/ice: handle the AdminQ command by DCF Haiyue Wang
2020-03-26  7:15   ` [dpdk-dev] [PATCH v5 5/7] net/ice: export the DDP definition symbols Haiyue Wang
2020-03-26  7:15   ` [dpdk-dev] [PATCH v5 6/7] net/ice: handle the PF initialization by DCF Haiyue Wang
2020-03-26  7:15   ` [dpdk-dev] [PATCH v5 7/7] net/ice: get the VF hardware index in DCF Haiyue Wang
2020-03-27  2:56 ` [dpdk-dev] [PATCH v6 0/7] add Intel DCF PMD support Haiyue Wang
2020-03-27  2:56   ` [dpdk-dev] [PATCH v6 1/7] net/iavf: stop the PCI probe in DCF mode Haiyue Wang
2020-03-27  2:56   ` [dpdk-dev] [PATCH v6 2/7] net/ice: add the DCF hardware initialization Haiyue Wang
2020-03-31  8:50     ` Ferruh Yigit
2020-03-31 12:17       ` Wang, Haiyue
2020-03-27  2:56   ` [dpdk-dev] [PATCH v6 3/7] net/ice: acquire and disable the DCF capability Haiyue Wang
2020-03-27  2:56   ` [dpdk-dev] [PATCH v6 4/7] net/ice: handle the AdminQ command by DCF Haiyue Wang
2020-03-27  2:56   ` [dpdk-dev] [PATCH v6 5/7] net/ice: export the DDP definition symbols Haiyue Wang
2020-03-27  2:56   ` [dpdk-dev] [PATCH v6 6/7] net/ice: handle the PF initialization by DCF Haiyue Wang
2020-03-27  2:56   ` [dpdk-dev] [PATCH v6 7/7] net/ice: get the VF hardware index in DCF Haiyue Wang
2020-03-27 15:26   ` [dpdk-dev] [PATCH v6 0/7] add Intel DCF PMD support Ye Xiaolong

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	# If you have public-inbox 1.1+ installed, you may
	# initialize and index your mirror using the following commands:
	public-inbox-init -V2 dev dev/ http://inbox.dpdk.org/dev \
		dev@dpdk.org
	public-inbox-index dev


Newsgroup available over NNTP:
	nntp://inbox.dpdk.org/inbox.dpdk.dev


AGPL code for this site: git clone https://public-inbox.org/ public-inbox