mirror of https://gitee.com/openkylin/linux.git
826 lines
23 KiB
C
826 lines
23 KiB
C
/*******************************************************************************
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*
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* Intel Ethernet Controller XL710 Family Linux Driver
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* Copyright(c) 2013 - 2015 Intel Corporation.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* The full GNU General Public License is included in this distribution in
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* the file called "COPYING".
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*
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* Contact Information:
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* e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
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* Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
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*
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******************************************************************************/
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#include <linux/list.h>
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#include <linux/errno.h>
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#include "i40e.h"
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#include "i40e_prototype.h"
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#include "i40e_client.h"
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static const char i40e_client_interface_version_str[] = I40E_CLIENT_VERSION_STR;
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static struct i40e_client *registered_client;
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static LIST_HEAD(i40e_devices);
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static DEFINE_MUTEX(i40e_device_mutex);
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static int i40e_client_virtchnl_send(struct i40e_info *ldev,
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struct i40e_client *client,
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u32 vf_id, u8 *msg, u16 len);
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static int i40e_client_setup_qvlist(struct i40e_info *ldev,
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struct i40e_client *client,
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struct i40e_qvlist_info *qvlist_info);
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static void i40e_client_request_reset(struct i40e_info *ldev,
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struct i40e_client *client,
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u32 reset_level);
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static int i40e_client_update_vsi_ctxt(struct i40e_info *ldev,
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struct i40e_client *client,
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bool is_vf, u32 vf_id,
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u32 flag, u32 valid_flag);
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static struct i40e_ops i40e_lan_ops = {
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.virtchnl_send = i40e_client_virtchnl_send,
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.setup_qvlist = i40e_client_setup_qvlist,
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.request_reset = i40e_client_request_reset,
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.update_vsi_ctxt = i40e_client_update_vsi_ctxt,
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};
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/**
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* i40e_client_get_params - Get the params that can change at runtime
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* @vsi: the VSI with the message
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* @param: clinet param struct
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*
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**/
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static
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int i40e_client_get_params(struct i40e_vsi *vsi, struct i40e_params *params)
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{
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struct i40e_dcbx_config *dcb_cfg = &vsi->back->hw.local_dcbx_config;
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int i = 0;
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for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) {
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u8 tc = dcb_cfg->etscfg.prioritytable[i];
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u16 qs_handle;
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/* If TC is not enabled for VSI use TC0 for UP */
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if (!(vsi->tc_config.enabled_tc & BIT(tc)))
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tc = 0;
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qs_handle = le16_to_cpu(vsi->info.qs_handle[tc]);
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params->qos.prio_qos[i].tc = tc;
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params->qos.prio_qos[i].qs_handle = qs_handle;
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if (qs_handle == I40E_AQ_VSI_QS_HANDLE_INVALID) {
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dev_err(&vsi->back->pdev->dev, "Invalid queue set handle for TC = %d, vsi id = %d\n",
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tc, vsi->id);
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return -EINVAL;
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}
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}
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params->mtu = vsi->netdev->mtu;
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return 0;
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}
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/**
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* i40e_notify_client_of_vf_msg - call the client vf message callback
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* @vsi: the VSI with the message
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* @vf_id: the absolute VF id that sent the message
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* @msg: message buffer
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* @len: length of the message
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*
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* If there is a client to this VSI, call the client
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**/
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void
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i40e_notify_client_of_vf_msg(struct i40e_vsi *vsi, u32 vf_id, u8 *msg, u16 len)
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{
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struct i40e_pf *pf = vsi->back;
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struct i40e_client_instance *cdev = pf->cinst;
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if (!cdev || !cdev->client)
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return;
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if (!cdev->client->ops || !cdev->client->ops->virtchnl_receive) {
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dev_dbg(&pf->pdev->dev,
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"Cannot locate client instance virtual channel receive routine\n");
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return;
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}
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if (!test_bit(__I40E_CLIENT_INSTANCE_OPENED, &cdev->state)) {
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dev_dbg(&pf->pdev->dev, "Client is not open, abort virtchnl_receive\n");
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return;
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}
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cdev->client->ops->virtchnl_receive(&cdev->lan_info, cdev->client,
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vf_id, msg, len);
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}
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/**
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* i40e_notify_client_of_l2_param_changes - call the client notify callback
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* @vsi: the VSI with l2 param changes
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*
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* If there is a client to this VSI, call the client
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**/
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void i40e_notify_client_of_l2_param_changes(struct i40e_vsi *vsi)
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{
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struct i40e_pf *pf = vsi->back;
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struct i40e_client_instance *cdev = pf->cinst;
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struct i40e_params params;
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if (!cdev || !cdev->client)
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return;
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if (!cdev->client->ops || !cdev->client->ops->l2_param_change) {
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dev_dbg(&vsi->back->pdev->dev,
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"Cannot locate client instance l2_param_change routine\n");
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return;
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}
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if (!test_bit(__I40E_CLIENT_INSTANCE_OPENED, &cdev->state)) {
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dev_dbg(&vsi->back->pdev->dev, "Client is not open, abort l2 param change\n");
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return;
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}
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memset(¶ms, 0, sizeof(params));
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i40e_client_get_params(vsi, ¶ms);
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memcpy(&cdev->lan_info.params, ¶ms, sizeof(struct i40e_params));
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cdev->client->ops->l2_param_change(&cdev->lan_info, cdev->client,
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¶ms);
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}
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/**
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* i40e_client_release_qvlist - release MSI-X vector mapping for client
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* @ldev: pointer to L2 context.
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*
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**/
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static void i40e_client_release_qvlist(struct i40e_info *ldev)
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{
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struct i40e_qvlist_info *qvlist_info = ldev->qvlist_info;
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u32 i;
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if (!ldev->qvlist_info)
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return;
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for (i = 0; i < qvlist_info->num_vectors; i++) {
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struct i40e_pf *pf = ldev->pf;
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struct i40e_qv_info *qv_info;
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u32 reg_idx;
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qv_info = &qvlist_info->qv_info[i];
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if (!qv_info)
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continue;
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reg_idx = I40E_PFINT_LNKLSTN(qv_info->v_idx - 1);
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wr32(&pf->hw, reg_idx, I40E_PFINT_LNKLSTN_FIRSTQ_INDX_MASK);
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}
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kfree(ldev->qvlist_info);
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ldev->qvlist_info = NULL;
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}
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/**
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* i40e_notify_client_of_netdev_close - call the client close callback
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* @vsi: the VSI with netdev closed
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* @reset: true when close called due to a reset pending
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*
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* If there is a client to this netdev, call the client with close
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**/
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void i40e_notify_client_of_netdev_close(struct i40e_vsi *vsi, bool reset)
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{
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struct i40e_pf *pf = vsi->back;
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struct i40e_client_instance *cdev = pf->cinst;
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if (!cdev || !cdev->client)
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return;
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if (!cdev->client->ops || !cdev->client->ops->close) {
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dev_dbg(&vsi->back->pdev->dev,
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"Cannot locate client instance close routine\n");
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return;
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}
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cdev->client->ops->close(&cdev->lan_info, cdev->client, reset);
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clear_bit(__I40E_CLIENT_INSTANCE_OPENED, &cdev->state);
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i40e_client_release_qvlist(&cdev->lan_info);
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}
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/**
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* i40e_notify_client_of_vf_reset - call the client vf reset callback
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* @pf: PF device pointer
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* @vf_id: asolute id of VF being reset
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*
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* If there is a client attached to this PF, notify when a VF is reset
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**/
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void i40e_notify_client_of_vf_reset(struct i40e_pf *pf, u32 vf_id)
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{
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struct i40e_client_instance *cdev = pf->cinst;
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if (!cdev || !cdev->client)
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return;
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if (!cdev->client->ops || !cdev->client->ops->vf_reset) {
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dev_dbg(&pf->pdev->dev,
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"Cannot locate client instance VF reset routine\n");
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return;
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}
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if (!test_bit(__I40E_CLIENT_INSTANCE_OPENED, &cdev->state)) {
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dev_dbg(&pf->pdev->dev, "Client is not open, abort vf-reset\n");
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return;
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}
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cdev->client->ops->vf_reset(&cdev->lan_info, cdev->client, vf_id);
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}
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/**
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* i40e_notify_client_of_vf_enable - call the client vf notification callback
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* @pf: PF device pointer
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* @num_vfs: the number of VFs currently enabled, 0 for disable
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*
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* If there is a client attached to this PF, call its VF notification routine
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**/
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void i40e_notify_client_of_vf_enable(struct i40e_pf *pf, u32 num_vfs)
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{
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struct i40e_client_instance *cdev = pf->cinst;
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if (!cdev || !cdev->client)
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return;
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if (!cdev->client->ops || !cdev->client->ops->vf_enable) {
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dev_dbg(&pf->pdev->dev,
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"Cannot locate client instance VF enable routine\n");
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return;
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}
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if (!test_bit(__I40E_CLIENT_INSTANCE_OPENED,
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&cdev->state)) {
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dev_dbg(&pf->pdev->dev, "Client is not open, abort vf-enable\n");
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return;
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}
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cdev->client->ops->vf_enable(&cdev->lan_info, cdev->client, num_vfs);
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}
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/**
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* i40e_vf_client_capable - ask the client if it likes the specified VF
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* @pf: PF device pointer
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* @vf_id: the VF in question
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*
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* If there is a client of the specified type attached to this PF, call
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* its vf_capable routine
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**/
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int i40e_vf_client_capable(struct i40e_pf *pf, u32 vf_id)
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{
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struct i40e_client_instance *cdev = pf->cinst;
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int capable = false;
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if (!cdev || !cdev->client)
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goto out;
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if (!cdev->client->ops || !cdev->client->ops->vf_capable) {
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dev_info(&pf->pdev->dev,
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"Cannot locate client instance VF capability routine\n");
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goto out;
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}
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if (!test_bit(__I40E_CLIENT_INSTANCE_OPENED, &cdev->state))
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goto out;
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capable = cdev->client->ops->vf_capable(&cdev->lan_info,
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cdev->client,
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vf_id);
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out:
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return capable;
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}
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/**
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* i40e_client_add_instance - add a client instance struct to the instance list
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* @pf: pointer to the board struct
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* @client: pointer to a client struct in the client list.
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* @existing: if there was already an existing instance
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*
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**/
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static void i40e_client_add_instance(struct i40e_pf *pf)
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{
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struct i40e_client_instance *cdev = NULL;
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struct netdev_hw_addr *mac = NULL;
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struct i40e_vsi *vsi = pf->vsi[pf->lan_vsi];
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if (!registered_client || pf->cinst)
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return;
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cdev = kzalloc(sizeof(*cdev), GFP_KERNEL);
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if (!cdev)
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return;
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cdev->lan_info.pf = (void *)pf;
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cdev->lan_info.netdev = vsi->netdev;
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cdev->lan_info.pcidev = pf->pdev;
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cdev->lan_info.fid = pf->hw.pf_id;
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cdev->lan_info.ftype = I40E_CLIENT_FTYPE_PF;
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cdev->lan_info.hw_addr = pf->hw.hw_addr;
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cdev->lan_info.ops = &i40e_lan_ops;
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cdev->lan_info.version.major = I40E_CLIENT_VERSION_MAJOR;
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cdev->lan_info.version.minor = I40E_CLIENT_VERSION_MINOR;
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cdev->lan_info.version.build = I40E_CLIENT_VERSION_BUILD;
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cdev->lan_info.fw_maj_ver = pf->hw.aq.fw_maj_ver;
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cdev->lan_info.fw_min_ver = pf->hw.aq.fw_min_ver;
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cdev->lan_info.fw_build = pf->hw.aq.fw_build;
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set_bit(__I40E_CLIENT_INSTANCE_NONE, &cdev->state);
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if (i40e_client_get_params(vsi, &cdev->lan_info.params)) {
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kfree(cdev);
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cdev = NULL;
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return;
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}
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cdev->lan_info.msix_count = pf->num_iwarp_msix;
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cdev->lan_info.msix_entries = &pf->msix_entries[pf->iwarp_base_vector];
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mac = list_first_entry(&cdev->lan_info.netdev->dev_addrs.list,
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struct netdev_hw_addr, list);
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if (mac)
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ether_addr_copy(cdev->lan_info.lanmac, mac->addr);
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else
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dev_err(&pf->pdev->dev, "MAC address list is empty!\n");
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cdev->client = registered_client;
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pf->cinst = cdev;
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}
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/**
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* i40e_client_del_instance - removes a client instance from the list
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* @pf: pointer to the board struct
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*
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**/
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static
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void i40e_client_del_instance(struct i40e_pf *pf)
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{
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kfree(pf->cinst);
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pf->cinst = NULL;
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}
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/**
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* i40e_client_subtask - client maintenance work
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* @pf: board private structure
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**/
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void i40e_client_subtask(struct i40e_pf *pf)
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{
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struct i40e_client *client = registered_client;
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struct i40e_client_instance *cdev;
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struct i40e_vsi *vsi = pf->vsi[pf->lan_vsi];
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int ret = 0;
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if (!(pf->flags & I40E_FLAG_SERVICE_CLIENT_REQUESTED))
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return;
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pf->flags &= ~I40E_FLAG_SERVICE_CLIENT_REQUESTED;
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cdev = pf->cinst;
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/* If we're down or resetting, just bail */
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if (test_bit(__I40E_DOWN, pf->state) ||
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test_bit(__I40E_CONFIG_BUSY, pf->state))
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return;
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if (!client || !cdev)
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return;
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|
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/* Here we handle client opens. If the client is down, but
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* the netdev is up, then open the client.
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*/
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if (!test_bit(__I40E_CLIENT_INSTANCE_OPENED, &cdev->state)) {
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if (!test_bit(__I40E_VSI_DOWN, vsi->state) &&
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client->ops && client->ops->open) {
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set_bit(__I40E_CLIENT_INSTANCE_OPENED, &cdev->state);
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ret = client->ops->open(&cdev->lan_info, client);
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if (ret) {
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/* Remove failed client instance */
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clear_bit(__I40E_CLIENT_INSTANCE_OPENED,
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&cdev->state);
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i40e_client_del_instance(pf);
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}
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}
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} else {
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/* Likewise for client close. If the client is up, but the netdev
|
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* is down, then close the client.
|
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*/
|
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if (test_bit(__I40E_VSI_DOWN, vsi->state) &&
|
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client->ops && client->ops->close) {
|
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clear_bit(__I40E_CLIENT_INSTANCE_OPENED, &cdev->state);
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client->ops->close(&cdev->lan_info, client, false);
|
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i40e_client_release_qvlist(&cdev->lan_info);
|
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}
|
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}
|
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}
|
|
|
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/**
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* i40e_lan_add_device - add a lan device struct to the list of lan devices
|
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* @pf: pointer to the board struct
|
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*
|
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* Returns 0 on success or none 0 on error
|
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**/
|
|
int i40e_lan_add_device(struct i40e_pf *pf)
|
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{
|
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struct i40e_device *ldev;
|
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int ret = 0;
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|
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mutex_lock(&i40e_device_mutex);
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list_for_each_entry(ldev, &i40e_devices, list) {
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if (ldev->pf == pf) {
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ret = -EEXIST;
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goto out;
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}
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}
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ldev = kzalloc(sizeof(*ldev), GFP_KERNEL);
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if (!ldev) {
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ret = -ENOMEM;
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goto out;
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}
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ldev->pf = pf;
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INIT_LIST_HEAD(&ldev->list);
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list_add(&ldev->list, &i40e_devices);
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dev_info(&pf->pdev->dev, "Added LAN device PF%d bus=0x%02x dev=0x%02x func=0x%02x\n",
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pf->hw.pf_id, pf->hw.bus.bus_id,
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pf->hw.bus.device, pf->hw.bus.func);
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|
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/* If a client has already been registered, we need to add an instance
|
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* of it to our new LAN device.
|
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*/
|
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if (registered_client)
|
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i40e_client_add_instance(pf);
|
|
|
|
/* Since in some cases register may have happened before a device gets
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* added, we can schedule a subtask to go initiate the clients if
|
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* they can be launched at probe time.
|
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*/
|
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pf->flags |= I40E_FLAG_SERVICE_CLIENT_REQUESTED;
|
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i40e_service_event_schedule(pf);
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|
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out:
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mutex_unlock(&i40e_device_mutex);
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return ret;
|
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}
|
|
|
|
/**
|
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* i40e_lan_del_device - removes a lan device from the device list
|
|
* @pf: pointer to the board struct
|
|
*
|
|
* Returns 0 on success or non-0 on error
|
|
**/
|
|
int i40e_lan_del_device(struct i40e_pf *pf)
|
|
{
|
|
struct i40e_device *ldev, *tmp;
|
|
int ret = -ENODEV;
|
|
|
|
/* First, remove any client instance. */
|
|
i40e_client_del_instance(pf);
|
|
|
|
mutex_lock(&i40e_device_mutex);
|
|
list_for_each_entry_safe(ldev, tmp, &i40e_devices, list) {
|
|
if (ldev->pf == pf) {
|
|
dev_info(&pf->pdev->dev, "Deleted LAN device PF%d bus=0x%02x dev=0x%02x func=0x%02x\n",
|
|
pf->hw.pf_id, pf->hw.bus.bus_id,
|
|
pf->hw.bus.device, pf->hw.bus.func);
|
|
list_del(&ldev->list);
|
|
kfree(ldev);
|
|
ret = 0;
|
|
break;
|
|
}
|
|
}
|
|
mutex_unlock(&i40e_device_mutex);
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* i40e_client_release - release client specific resources
|
|
* @client: pointer to the registered client
|
|
*
|
|
**/
|
|
static void i40e_client_release(struct i40e_client *client)
|
|
{
|
|
struct i40e_client_instance *cdev;
|
|
struct i40e_device *ldev;
|
|
struct i40e_pf *pf;
|
|
|
|
mutex_lock(&i40e_device_mutex);
|
|
list_for_each_entry(ldev, &i40e_devices, list) {
|
|
pf = ldev->pf;
|
|
cdev = pf->cinst;
|
|
if (!cdev)
|
|
continue;
|
|
|
|
while (test_and_set_bit(__I40E_SERVICE_SCHED,
|
|
pf->state))
|
|
usleep_range(500, 1000);
|
|
|
|
if (test_bit(__I40E_CLIENT_INSTANCE_OPENED, &cdev->state)) {
|
|
if (client->ops && client->ops->close)
|
|
client->ops->close(&cdev->lan_info, client,
|
|
false);
|
|
i40e_client_release_qvlist(&cdev->lan_info);
|
|
clear_bit(__I40E_CLIENT_INSTANCE_OPENED, &cdev->state);
|
|
|
|
dev_warn(&pf->pdev->dev,
|
|
"Client %s instance for PF id %d closed\n",
|
|
client->name, pf->hw.pf_id);
|
|
}
|
|
/* delete the client instance */
|
|
i40e_client_del_instance(pf);
|
|
dev_info(&pf->pdev->dev, "Deleted client instance of Client %s\n",
|
|
client->name);
|
|
clear_bit(__I40E_SERVICE_SCHED, pf->state);
|
|
}
|
|
mutex_unlock(&i40e_device_mutex);
|
|
}
|
|
|
|
/**
|
|
* i40e_client_prepare - prepare client specific resources
|
|
* @client: pointer to the registered client
|
|
*
|
|
**/
|
|
static void i40e_client_prepare(struct i40e_client *client)
|
|
{
|
|
struct i40e_device *ldev;
|
|
struct i40e_pf *pf;
|
|
|
|
mutex_lock(&i40e_device_mutex);
|
|
list_for_each_entry(ldev, &i40e_devices, list) {
|
|
pf = ldev->pf;
|
|
i40e_client_add_instance(pf);
|
|
/* Start the client subtask */
|
|
pf->flags |= I40E_FLAG_SERVICE_CLIENT_REQUESTED;
|
|
i40e_service_event_schedule(pf);
|
|
}
|
|
mutex_unlock(&i40e_device_mutex);
|
|
}
|
|
|
|
/**
|
|
* i40e_client_virtchnl_send - TBD
|
|
* @ldev: pointer to L2 context
|
|
* @client: Client pointer
|
|
* @vf_id: absolute VF identifier
|
|
* @msg: message buffer
|
|
* @len: length of message buffer
|
|
*
|
|
* Return 0 on success or < 0 on error
|
|
**/
|
|
static int i40e_client_virtchnl_send(struct i40e_info *ldev,
|
|
struct i40e_client *client,
|
|
u32 vf_id, u8 *msg, u16 len)
|
|
{
|
|
struct i40e_pf *pf = ldev->pf;
|
|
struct i40e_hw *hw = &pf->hw;
|
|
i40e_status err;
|
|
|
|
err = i40e_aq_send_msg_to_vf(hw, vf_id, I40E_VIRTCHNL_OP_IWARP,
|
|
0, msg, len, NULL);
|
|
if (err)
|
|
dev_err(&pf->pdev->dev, "Unable to send iWarp message to VF, error %d, aq status %d\n",
|
|
err, hw->aq.asq_last_status);
|
|
|
|
return err;
|
|
}
|
|
|
|
/**
|
|
* i40e_client_setup_qvlist
|
|
* @ldev: pointer to L2 context.
|
|
* @client: Client pointer.
|
|
* @qv_info: queue and vector list
|
|
*
|
|
* Return 0 on success or < 0 on error
|
|
**/
|
|
static int i40e_client_setup_qvlist(struct i40e_info *ldev,
|
|
struct i40e_client *client,
|
|
struct i40e_qvlist_info *qvlist_info)
|
|
{
|
|
struct i40e_pf *pf = ldev->pf;
|
|
struct i40e_hw *hw = &pf->hw;
|
|
struct i40e_qv_info *qv_info;
|
|
u32 v_idx, i, reg_idx, reg;
|
|
u32 size;
|
|
|
|
size = sizeof(struct i40e_qvlist_info) +
|
|
(sizeof(struct i40e_qv_info) * (qvlist_info->num_vectors - 1));
|
|
ldev->qvlist_info = kzalloc(size, GFP_KERNEL);
|
|
ldev->qvlist_info->num_vectors = qvlist_info->num_vectors;
|
|
|
|
for (i = 0; i < qvlist_info->num_vectors; i++) {
|
|
qv_info = &qvlist_info->qv_info[i];
|
|
if (!qv_info)
|
|
continue;
|
|
v_idx = qv_info->v_idx;
|
|
|
|
/* Validate vector id belongs to this client */
|
|
if ((v_idx >= (pf->iwarp_base_vector + pf->num_iwarp_msix)) ||
|
|
(v_idx < pf->iwarp_base_vector))
|
|
goto err;
|
|
|
|
ldev->qvlist_info->qv_info[i] = *qv_info;
|
|
reg_idx = I40E_PFINT_LNKLSTN(v_idx - 1);
|
|
|
|
if (qv_info->ceq_idx == I40E_QUEUE_INVALID_IDX) {
|
|
/* Special case - No CEQ mapped on this vector */
|
|
wr32(hw, reg_idx, I40E_PFINT_LNKLSTN_FIRSTQ_INDX_MASK);
|
|
} else {
|
|
reg = (qv_info->ceq_idx &
|
|
I40E_PFINT_LNKLSTN_FIRSTQ_INDX_MASK) |
|
|
(I40E_QUEUE_TYPE_PE_CEQ <<
|
|
I40E_PFINT_LNKLSTN_FIRSTQ_TYPE_SHIFT);
|
|
wr32(hw, reg_idx, reg);
|
|
|
|
reg = (I40E_PFINT_CEQCTL_CAUSE_ENA_MASK |
|
|
(v_idx << I40E_PFINT_CEQCTL_MSIX_INDX_SHIFT) |
|
|
(qv_info->itr_idx <<
|
|
I40E_PFINT_CEQCTL_ITR_INDX_SHIFT) |
|
|
(I40E_QUEUE_END_OF_LIST <<
|
|
I40E_PFINT_CEQCTL_NEXTQ_INDX_SHIFT));
|
|
wr32(hw, I40E_PFINT_CEQCTL(qv_info->ceq_idx), reg);
|
|
}
|
|
if (qv_info->aeq_idx != I40E_QUEUE_INVALID_IDX) {
|
|
reg = (I40E_PFINT_AEQCTL_CAUSE_ENA_MASK |
|
|
(v_idx << I40E_PFINT_AEQCTL_MSIX_INDX_SHIFT) |
|
|
(qv_info->itr_idx <<
|
|
I40E_PFINT_AEQCTL_ITR_INDX_SHIFT));
|
|
|
|
wr32(hw, I40E_PFINT_AEQCTL, reg);
|
|
}
|
|
}
|
|
/* Mitigate sync problems with iwarp VF driver */
|
|
i40e_flush(hw);
|
|
return 0;
|
|
err:
|
|
kfree(ldev->qvlist_info);
|
|
ldev->qvlist_info = NULL;
|
|
return -EINVAL;
|
|
}
|
|
|
|
/**
|
|
* i40e_client_request_reset
|
|
* @ldev: pointer to L2 context.
|
|
* @client: Client pointer.
|
|
* @level: reset level
|
|
**/
|
|
static void i40e_client_request_reset(struct i40e_info *ldev,
|
|
struct i40e_client *client,
|
|
u32 reset_level)
|
|
{
|
|
struct i40e_pf *pf = ldev->pf;
|
|
|
|
switch (reset_level) {
|
|
case I40E_CLIENT_RESET_LEVEL_PF:
|
|
set_bit(__I40E_PF_RESET_REQUESTED, pf->state);
|
|
break;
|
|
case I40E_CLIENT_RESET_LEVEL_CORE:
|
|
set_bit(__I40E_PF_RESET_REQUESTED, pf->state);
|
|
break;
|
|
default:
|
|
dev_warn(&pf->pdev->dev,
|
|
"Client for PF id %d requested an unsupported reset: %d.\n",
|
|
pf->hw.pf_id, reset_level);
|
|
break;
|
|
}
|
|
|
|
i40e_service_event_schedule(pf);
|
|
}
|
|
|
|
/**
|
|
* i40e_client_update_vsi_ctxt
|
|
* @ldev: pointer to L2 context.
|
|
* @client: Client pointer.
|
|
* @is_vf: if this for the VF
|
|
* @vf_id: if is_vf true this carries the vf_id
|
|
* @flag: Any device level setting that needs to be done for PE
|
|
* @valid_flag: Bits in this match up and enable changing of flag bits
|
|
*
|
|
* Return 0 on success or < 0 on error
|
|
**/
|
|
static int i40e_client_update_vsi_ctxt(struct i40e_info *ldev,
|
|
struct i40e_client *client,
|
|
bool is_vf, u32 vf_id,
|
|
u32 flag, u32 valid_flag)
|
|
{
|
|
struct i40e_pf *pf = ldev->pf;
|
|
struct i40e_vsi *vsi = pf->vsi[pf->lan_vsi];
|
|
struct i40e_vsi_context ctxt;
|
|
bool update = true;
|
|
i40e_status err;
|
|
|
|
/* TODO: for now do not allow setting VF's VSI setting */
|
|
if (is_vf)
|
|
return -EINVAL;
|
|
|
|
ctxt.seid = pf->main_vsi_seid;
|
|
ctxt.pf_num = pf->hw.pf_id;
|
|
err = i40e_aq_get_vsi_params(&pf->hw, &ctxt, NULL);
|
|
ctxt.flags = I40E_AQ_VSI_TYPE_PF;
|
|
if (err) {
|
|
dev_info(&pf->pdev->dev,
|
|
"couldn't get PF vsi config, err %s aq_err %s\n",
|
|
i40e_stat_str(&pf->hw, err),
|
|
i40e_aq_str(&pf->hw,
|
|
pf->hw.aq.asq_last_status));
|
|
return -ENOENT;
|
|
}
|
|
|
|
if ((valid_flag & I40E_CLIENT_VSI_FLAG_TCP_PACKET_ENABLE) &&
|
|
(flag & I40E_CLIENT_VSI_FLAG_TCP_PACKET_ENABLE)) {
|
|
ctxt.info.valid_sections =
|
|
cpu_to_le16(I40E_AQ_VSI_PROP_QUEUE_OPT_VALID);
|
|
ctxt.info.queueing_opt_flags |= I40E_AQ_VSI_QUE_OPT_TCP_ENA;
|
|
} else if ((valid_flag & I40E_CLIENT_VSI_FLAG_TCP_PACKET_ENABLE) &&
|
|
!(flag & I40E_CLIENT_VSI_FLAG_TCP_PACKET_ENABLE)) {
|
|
ctxt.info.valid_sections =
|
|
cpu_to_le16(I40E_AQ_VSI_PROP_QUEUE_OPT_VALID);
|
|
ctxt.info.queueing_opt_flags &= ~I40E_AQ_VSI_QUE_OPT_TCP_ENA;
|
|
} else {
|
|
update = false;
|
|
dev_warn(&pf->pdev->dev,
|
|
"Client for PF id %d request an unsupported Config: %x.\n",
|
|
pf->hw.pf_id, flag);
|
|
}
|
|
|
|
if (update) {
|
|
err = i40e_aq_update_vsi_params(&vsi->back->hw, &ctxt, NULL);
|
|
if (err) {
|
|
dev_info(&pf->pdev->dev,
|
|
"update VSI ctxt for PE failed, err %s aq_err %s\n",
|
|
i40e_stat_str(&pf->hw, err),
|
|
i40e_aq_str(&pf->hw,
|
|
pf->hw.aq.asq_last_status));
|
|
}
|
|
}
|
|
return err;
|
|
}
|
|
|
|
/**
|
|
* i40e_register_client - Register a i40e client driver with the L2 driver
|
|
* @client: pointer to the i40e_client struct
|
|
*
|
|
* Returns 0 on success or non-0 on error
|
|
**/
|
|
int i40e_register_client(struct i40e_client *client)
|
|
{
|
|
int ret = 0;
|
|
|
|
if (!client) {
|
|
ret = -EIO;
|
|
goto out;
|
|
}
|
|
|
|
if (strlen(client->name) == 0) {
|
|
pr_info("i40e: Failed to register client with no name\n");
|
|
ret = -EIO;
|
|
goto out;
|
|
}
|
|
|
|
if (registered_client) {
|
|
pr_info("i40e: Client %s has already been registered!\n",
|
|
client->name);
|
|
ret = -EEXIST;
|
|
goto out;
|
|
}
|
|
|
|
if ((client->version.major != I40E_CLIENT_VERSION_MAJOR) ||
|
|
(client->version.minor != I40E_CLIENT_VERSION_MINOR)) {
|
|
pr_info("i40e: Failed to register client %s due to mismatched client interface version\n",
|
|
client->name);
|
|
pr_info("Client is using version: %02d.%02d.%02d while LAN driver supports %s\n",
|
|
client->version.major, client->version.minor,
|
|
client->version.build,
|
|
i40e_client_interface_version_str);
|
|
ret = -EIO;
|
|
goto out;
|
|
}
|
|
|
|
registered_client = client;
|
|
|
|
i40e_client_prepare(client);
|
|
|
|
pr_info("i40e: Registered client %s\n", client->name);
|
|
out:
|
|
return ret;
|
|
}
|
|
EXPORT_SYMBOL(i40e_register_client);
|
|
|
|
/**
|
|
* i40e_unregister_client - Unregister a i40e client driver with the L2 driver
|
|
* @client: pointer to the i40e_client struct
|
|
*
|
|
* Returns 0 on success or non-0 on error
|
|
**/
|
|
int i40e_unregister_client(struct i40e_client *client)
|
|
{
|
|
int ret = 0;
|
|
|
|
if (registered_client != client) {
|
|
pr_info("i40e: Client %s has not been registered\n",
|
|
client->name);
|
|
ret = -ENODEV;
|
|
goto out;
|
|
}
|
|
registered_client = NULL;
|
|
/* When a unregister request comes through we would have to send
|
|
* a close for each of the client instances that were opened.
|
|
* client_release function is called to handle this.
|
|
*/
|
|
i40e_client_release(client);
|
|
|
|
pr_info("i40e: Unregistered client %s\n", client->name);
|
|
out:
|
|
return ret;
|
|
}
|
|
EXPORT_SYMBOL(i40e_unregister_client);
|