1ae06c70bSJeff Kirsher // SPDX-License-Identifier: GPL-2.0
251dce24bSJeff Kirsher /* Copyright(c) 2013 - 2018 Intel Corporation. */
3e3219ce6SAnjali Singhai Jain
4e3219ce6SAnjali Singhai Jain #include <linux/list.h>
5e3219ce6SAnjali Singhai Jain #include <linux/errno.h>
6fe21b6c3SShiraz Saleem #include <linux/net/intel/i40e_client.h>
7e3219ce6SAnjali Singhai Jain
8e3219ce6SAnjali Singhai Jain #include "i40e.h"
9e3219ce6SAnjali Singhai Jain
10e3219ce6SAnjali Singhai Jain static LIST_HEAD(i40e_devices);
11e3219ce6SAnjali Singhai Jain static DEFINE_MUTEX(i40e_device_mutex);
12f4370a85SShiraz Saleem DEFINE_IDA(i40e_client_ida);
13e3219ce6SAnjali Singhai Jain
14e3219ce6SAnjali Singhai Jain static int i40e_client_virtchnl_send(struct i40e_info *ldev,
15e3219ce6SAnjali Singhai Jain struct i40e_client *client,
16e3219ce6SAnjali Singhai Jain u32 vf_id, u8 *msg, u16 len);
17e3219ce6SAnjali Singhai Jain
18e3219ce6SAnjali Singhai Jain static int i40e_client_setup_qvlist(struct i40e_info *ldev,
19e3219ce6SAnjali Singhai Jain struct i40e_client *client,
20e3219ce6SAnjali Singhai Jain struct i40e_qvlist_info *qvlist_info);
21e3219ce6SAnjali Singhai Jain
22e3219ce6SAnjali Singhai Jain static void i40e_client_request_reset(struct i40e_info *ldev,
23e3219ce6SAnjali Singhai Jain struct i40e_client *client,
24e3219ce6SAnjali Singhai Jain u32 reset_level);
25e3219ce6SAnjali Singhai Jain
26e3219ce6SAnjali Singhai Jain static int i40e_client_update_vsi_ctxt(struct i40e_info *ldev,
27e3219ce6SAnjali Singhai Jain struct i40e_client *client,
28e3219ce6SAnjali Singhai Jain bool is_vf, u32 vf_id,
29e3219ce6SAnjali Singhai Jain u32 flag, u32 valid_flag);
30e3219ce6SAnjali Singhai Jain
31e3219ce6SAnjali Singhai Jain static struct i40e_ops i40e_lan_ops = {
32e3219ce6SAnjali Singhai Jain .virtchnl_send = i40e_client_virtchnl_send,
33e3219ce6SAnjali Singhai Jain .setup_qvlist = i40e_client_setup_qvlist,
34e3219ce6SAnjali Singhai Jain .request_reset = i40e_client_request_reset,
35e3219ce6SAnjali Singhai Jain .update_vsi_ctxt = i40e_client_update_vsi_ctxt,
36e3219ce6SAnjali Singhai Jain };
37e3219ce6SAnjali Singhai Jain
38e3219ce6SAnjali Singhai Jain /**
39e3219ce6SAnjali Singhai Jain * i40e_client_get_params - Get the params that can change at runtime
40e3219ce6SAnjali Singhai Jain * @vsi: the VSI with the message
41f5254429SJacob Keller * @params: client param struct
42e3219ce6SAnjali Singhai Jain *
43e3219ce6SAnjali Singhai Jain **/
44e3219ce6SAnjali Singhai Jain static
i40e_client_get_params(struct i40e_vsi * vsi,struct i40e_params * params)45e3219ce6SAnjali Singhai Jain int i40e_client_get_params(struct i40e_vsi *vsi, struct i40e_params *params)
46e3219ce6SAnjali Singhai Jain {
47e3219ce6SAnjali Singhai Jain struct i40e_dcbx_config *dcb_cfg = &vsi->back->hw.local_dcbx_config;
48e3219ce6SAnjali Singhai Jain int i = 0;
49e3219ce6SAnjali Singhai Jain
50e3219ce6SAnjali Singhai Jain for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) {
51e3219ce6SAnjali Singhai Jain u8 tc = dcb_cfg->etscfg.prioritytable[i];
52e3219ce6SAnjali Singhai Jain u16 qs_handle;
53e3219ce6SAnjali Singhai Jain
54e3219ce6SAnjali Singhai Jain /* If TC is not enabled for VSI use TC0 for UP */
55e3219ce6SAnjali Singhai Jain if (!(vsi->tc_config.enabled_tc & BIT(tc)))
56e3219ce6SAnjali Singhai Jain tc = 0;
57e3219ce6SAnjali Singhai Jain
58e3219ce6SAnjali Singhai Jain qs_handle = le16_to_cpu(vsi->info.qs_handle[tc]);
59e3219ce6SAnjali Singhai Jain params->qos.prio_qos[i].tc = tc;
60e3219ce6SAnjali Singhai Jain params->qos.prio_qos[i].qs_handle = qs_handle;
61e3219ce6SAnjali Singhai Jain if (qs_handle == I40E_AQ_VSI_QS_HANDLE_INVALID) {
62e3219ce6SAnjali Singhai Jain dev_err(&vsi->back->pdev->dev, "Invalid queue set handle for TC = %d, vsi id = %d\n",
63e3219ce6SAnjali Singhai Jain tc, vsi->id);
64e3219ce6SAnjali Singhai Jain return -EINVAL;
65e3219ce6SAnjali Singhai Jain }
66e3219ce6SAnjali Singhai Jain }
67e3219ce6SAnjali Singhai Jain
68e3219ce6SAnjali Singhai Jain params->mtu = vsi->netdev->mtu;
69e3219ce6SAnjali Singhai Jain return 0;
70e3219ce6SAnjali Singhai Jain }
71e3219ce6SAnjali Singhai Jain
72e3219ce6SAnjali Singhai Jain /**
73e3219ce6SAnjali Singhai Jain * i40e_notify_client_of_vf_msg - call the client vf message callback
74e3219ce6SAnjali Singhai Jain * @vsi: the VSI with the message
75e3219ce6SAnjali Singhai Jain * @vf_id: the absolute VF id that sent the message
76e3219ce6SAnjali Singhai Jain * @msg: message buffer
77e3219ce6SAnjali Singhai Jain * @len: length of the message
78e3219ce6SAnjali Singhai Jain *
79e3219ce6SAnjali Singhai Jain * If there is a client to this VSI, call the client
80e3219ce6SAnjali Singhai Jain **/
81e3219ce6SAnjali Singhai Jain void
i40e_notify_client_of_vf_msg(struct i40e_vsi * vsi,u32 vf_id,u8 * msg,u16 len)82e3219ce6SAnjali Singhai Jain i40e_notify_client_of_vf_msg(struct i40e_vsi *vsi, u32 vf_id, u8 *msg, u16 len)
83e3219ce6SAnjali Singhai Jain {
840ef2d5afSMitch Williams struct i40e_pf *pf = vsi->back;
850ef2d5afSMitch Williams struct i40e_client_instance *cdev = pf->cinst;
86e3219ce6SAnjali Singhai Jain
870ef2d5afSMitch Williams if (!cdev || !cdev->client)
88e3219ce6SAnjali Singhai Jain return;
890ef2d5afSMitch Williams if (!cdev->client->ops || !cdev->client->ops->virtchnl_receive) {
900ef2d5afSMitch Williams dev_dbg(&pf->pdev->dev,
91e3219ce6SAnjali Singhai Jain "Cannot locate client instance virtual channel receive routine\n");
920ef2d5afSMitch Williams return;
93e3219ce6SAnjali Singhai Jain }
940ef2d5afSMitch Williams if (!test_bit(__I40E_CLIENT_INSTANCE_OPENED, &cdev->state)) {
950ef2d5afSMitch Williams dev_dbg(&pf->pdev->dev, "Client is not open, abort virtchnl_receive\n");
960ef2d5afSMitch Williams return;
9791cdca4fSCatherine Sullivan }
980ef2d5afSMitch Williams cdev->client->ops->virtchnl_receive(&cdev->lan_info, cdev->client,
99e3219ce6SAnjali Singhai Jain vf_id, msg, len);
100e3219ce6SAnjali Singhai Jain }
101e3219ce6SAnjali Singhai Jain
102e3219ce6SAnjali Singhai Jain /**
103e3219ce6SAnjali Singhai Jain * i40e_notify_client_of_l2_param_changes - call the client notify callback
10454c4664eSIvan Vecera * @pf: PF device pointer
105e3219ce6SAnjali Singhai Jain *
10654c4664eSIvan Vecera * If there is a client, call its callback
107e3219ce6SAnjali Singhai Jain **/
i40e_notify_client_of_l2_param_changes(struct i40e_pf * pf)10854c4664eSIvan Vecera void i40e_notify_client_of_l2_param_changes(struct i40e_pf *pf)
109e3219ce6SAnjali Singhai Jain {
110*43f4466cSIvan Vecera struct i40e_vsi *vsi = i40e_pf_get_main_vsi(pf);
1110ef2d5afSMitch Williams struct i40e_client_instance *cdev = pf->cinst;
112e3219ce6SAnjali Singhai Jain struct i40e_params params;
113e3219ce6SAnjali Singhai Jain
1140ef2d5afSMitch Williams if (!cdev || !cdev->client)
115e3219ce6SAnjali Singhai Jain return;
1160ef2d5afSMitch Williams if (!cdev->client->ops || !cdev->client->ops->l2_param_change) {
11754c4664eSIvan Vecera dev_dbg(&pf->pdev->dev,
118e3219ce6SAnjali Singhai Jain "Cannot locate client instance l2_param_change routine\n");
1190ef2d5afSMitch Williams return;
120e3219ce6SAnjali Singhai Jain }
1210ef2d5afSMitch Williams if (!test_bit(__I40E_CLIENT_INSTANCE_OPENED, &cdev->state)) {
12254c4664eSIvan Vecera dev_dbg(&pf->pdev->dev,
12354c4664eSIvan Vecera "Client is not open, abort l2 param change\n");
1240ef2d5afSMitch Williams return;
12591cdca4fSCatherine Sullivan }
1267be147dcSJacob Keller memset(¶ms, 0, sizeof(params));
1277be147dcSJacob Keller i40e_client_get_params(vsi, ¶ms);
1280ef2d5afSMitch Williams memcpy(&cdev->lan_info.params, ¶ms, sizeof(struct i40e_params));
1290ef2d5afSMitch Williams cdev->client->ops->l2_param_change(&cdev->lan_info, cdev->client,
130e3219ce6SAnjali Singhai Jain ¶ms);
131e3219ce6SAnjali Singhai Jain }
132e3219ce6SAnjali Singhai Jain
133e3219ce6SAnjali Singhai Jain /**
1340ef2d5afSMitch Williams * i40e_client_release_qvlist - release MSI-X vector mapping for client
135e3219ce6SAnjali Singhai Jain * @ldev: pointer to L2 context.
136e3219ce6SAnjali Singhai Jain *
137e3219ce6SAnjali Singhai Jain **/
i40e_client_release_qvlist(struct i40e_info * ldev)138e3219ce6SAnjali Singhai Jain static void i40e_client_release_qvlist(struct i40e_info *ldev)
139e3219ce6SAnjali Singhai Jain {
140e3219ce6SAnjali Singhai Jain struct i40e_qvlist_info *qvlist_info = ldev->qvlist_info;
141e3219ce6SAnjali Singhai Jain u32 i;
142e3219ce6SAnjali Singhai Jain
143e3219ce6SAnjali Singhai Jain if (!ldev->qvlist_info)
144e3219ce6SAnjali Singhai Jain return;
145e3219ce6SAnjali Singhai Jain
146e3219ce6SAnjali Singhai Jain for (i = 0; i < qvlist_info->num_vectors; i++) {
147e3219ce6SAnjali Singhai Jain struct i40e_pf *pf = ldev->pf;
148e3219ce6SAnjali Singhai Jain struct i40e_qv_info *qv_info;
149e3219ce6SAnjali Singhai Jain u32 reg_idx;
150e3219ce6SAnjali Singhai Jain
151e3219ce6SAnjali Singhai Jain qv_info = &qvlist_info->qv_info[i];
152e3219ce6SAnjali Singhai Jain reg_idx = I40E_PFINT_LNKLSTN(qv_info->v_idx - 1);
153e3219ce6SAnjali Singhai Jain wr32(&pf->hw, reg_idx, I40E_PFINT_LNKLSTN_FIRSTQ_INDX_MASK);
154e3219ce6SAnjali Singhai Jain }
155e3219ce6SAnjali Singhai Jain kfree(ldev->qvlist_info);
156e3219ce6SAnjali Singhai Jain ldev->qvlist_info = NULL;
157e3219ce6SAnjali Singhai Jain }
158e3219ce6SAnjali Singhai Jain
159e3219ce6SAnjali Singhai Jain /**
160e3219ce6SAnjali Singhai Jain * i40e_notify_client_of_netdev_close - call the client close callback
16154c4664eSIvan Vecera * @pf: PF device pointer
162e3219ce6SAnjali Singhai Jain * @reset: true when close called due to a reset pending
163e3219ce6SAnjali Singhai Jain *
164e3219ce6SAnjali Singhai Jain * If there is a client to this netdev, call the client with close
165e3219ce6SAnjali Singhai Jain **/
i40e_notify_client_of_netdev_close(struct i40e_pf * pf,bool reset)16654c4664eSIvan Vecera void i40e_notify_client_of_netdev_close(struct i40e_pf *pf, bool reset)
167e3219ce6SAnjali Singhai Jain {
1680ef2d5afSMitch Williams struct i40e_client_instance *cdev = pf->cinst;
169e3219ce6SAnjali Singhai Jain
1700ef2d5afSMitch Williams if (!cdev || !cdev->client)
171e3219ce6SAnjali Singhai Jain return;
1720ef2d5afSMitch Williams if (!cdev->client->ops || !cdev->client->ops->close) {
17354c4664eSIvan Vecera dev_dbg(&pf->pdev->dev,
174e3219ce6SAnjali Singhai Jain "Cannot locate client instance close routine\n");
1750ef2d5afSMitch Williams return;
176e3219ce6SAnjali Singhai Jain }
177fb8396aeSIvan Vecera if (!test_bit(__I40E_CLIENT_INSTANCE_OPENED, &cdev->state)) {
178fb8396aeSIvan Vecera dev_dbg(&pf->pdev->dev, "Client is not open, abort close\n");
179fb8396aeSIvan Vecera return;
180fb8396aeSIvan Vecera }
1810ef2d5afSMitch Williams cdev->client->ops->close(&cdev->lan_info, cdev->client, reset);
1827be96322SMitch Williams clear_bit(__I40E_CLIENT_INSTANCE_OPENED, &cdev->state);
183e3219ce6SAnjali Singhai Jain i40e_client_release_qvlist(&cdev->lan_info);
184e3219ce6SAnjali Singhai Jain }
185e3219ce6SAnjali Singhai Jain
186e3219ce6SAnjali Singhai Jain /**
187e3219ce6SAnjali Singhai Jain * i40e_notify_client_of_vf_reset - call the client vf reset callback
188e3219ce6SAnjali Singhai Jain * @pf: PF device pointer
189e3219ce6SAnjali Singhai Jain * @vf_id: asolute id of VF being reset
190e3219ce6SAnjali Singhai Jain *
191e3219ce6SAnjali Singhai Jain * If there is a client attached to this PF, notify when a VF is reset
192e3219ce6SAnjali Singhai Jain **/
i40e_notify_client_of_vf_reset(struct i40e_pf * pf,u32 vf_id)193e3219ce6SAnjali Singhai Jain void i40e_notify_client_of_vf_reset(struct i40e_pf *pf, u32 vf_id)
194e3219ce6SAnjali Singhai Jain {
1950ef2d5afSMitch Williams struct i40e_client_instance *cdev = pf->cinst;
196e3219ce6SAnjali Singhai Jain
1970ef2d5afSMitch Williams if (!cdev || !cdev->client)
198e3219ce6SAnjali Singhai Jain return;
1990ef2d5afSMitch Williams if (!cdev->client->ops || !cdev->client->ops->vf_reset) {
200e3219ce6SAnjali Singhai Jain dev_dbg(&pf->pdev->dev,
201e3219ce6SAnjali Singhai Jain "Cannot locate client instance VF reset routine\n");
2020ef2d5afSMitch Williams return;
203e3219ce6SAnjali Singhai Jain }
2040ef2d5afSMitch Williams if (!test_bit(__I40E_CLIENT_INSTANCE_OPENED, &cdev->state)) {
20591cdca4fSCatherine Sullivan dev_dbg(&pf->pdev->dev, "Client is not open, abort vf-reset\n");
2060ef2d5afSMitch Williams return;
20791cdca4fSCatherine Sullivan }
2080ef2d5afSMitch Williams cdev->client->ops->vf_reset(&cdev->lan_info, cdev->client, vf_id);
209e3219ce6SAnjali Singhai Jain }
210e3219ce6SAnjali Singhai Jain
211e3219ce6SAnjali Singhai Jain /**
212e3219ce6SAnjali Singhai Jain * i40e_notify_client_of_vf_enable - call the client vf notification callback
213e3219ce6SAnjali Singhai Jain * @pf: PF device pointer
214e3219ce6SAnjali Singhai Jain * @num_vfs: the number of VFs currently enabled, 0 for disable
215e3219ce6SAnjali Singhai Jain *
216e3219ce6SAnjali Singhai Jain * If there is a client attached to this PF, call its VF notification routine
217e3219ce6SAnjali Singhai Jain **/
i40e_notify_client_of_vf_enable(struct i40e_pf * pf,u32 num_vfs)218e3219ce6SAnjali Singhai Jain void i40e_notify_client_of_vf_enable(struct i40e_pf *pf, u32 num_vfs)
219e3219ce6SAnjali Singhai Jain {
2200ef2d5afSMitch Williams struct i40e_client_instance *cdev = pf->cinst;
221e3219ce6SAnjali Singhai Jain
2220ef2d5afSMitch Williams if (!cdev || !cdev->client)
223e3219ce6SAnjali Singhai Jain return;
2240ef2d5afSMitch Williams if (!cdev->client->ops || !cdev->client->ops->vf_enable) {
225e3219ce6SAnjali Singhai Jain dev_dbg(&pf->pdev->dev,
226e3219ce6SAnjali Singhai Jain "Cannot locate client instance VF enable routine\n");
2270ef2d5afSMitch Williams return;
228e3219ce6SAnjali Singhai Jain }
22991cdca4fSCatherine Sullivan if (!test_bit(__I40E_CLIENT_INSTANCE_OPENED,
23091cdca4fSCatherine Sullivan &cdev->state)) {
23191cdca4fSCatherine Sullivan dev_dbg(&pf->pdev->dev, "Client is not open, abort vf-enable\n");
2320ef2d5afSMitch Williams return;
23391cdca4fSCatherine Sullivan }
2340ef2d5afSMitch Williams cdev->client->ops->vf_enable(&cdev->lan_info, cdev->client, num_vfs);
235e3219ce6SAnjali Singhai Jain }
236e3219ce6SAnjali Singhai Jain
237e3219ce6SAnjali Singhai Jain /**
238e3219ce6SAnjali Singhai Jain * i40e_vf_client_capable - ask the client if it likes the specified VF
239e3219ce6SAnjali Singhai Jain * @pf: PF device pointer
240e3219ce6SAnjali Singhai Jain * @vf_id: the VF in question
241e3219ce6SAnjali Singhai Jain *
242e3219ce6SAnjali Singhai Jain * If there is a client of the specified type attached to this PF, call
243e3219ce6SAnjali Singhai Jain * its vf_capable routine
244e3219ce6SAnjali Singhai Jain **/
i40e_vf_client_capable(struct i40e_pf * pf,u32 vf_id)2450ef2d5afSMitch Williams int i40e_vf_client_capable(struct i40e_pf *pf, u32 vf_id)
246e3219ce6SAnjali Singhai Jain {
2470ef2d5afSMitch Williams struct i40e_client_instance *cdev = pf->cinst;
248e3219ce6SAnjali Singhai Jain int capable = false;
249e3219ce6SAnjali Singhai Jain
2500ef2d5afSMitch Williams if (!cdev || !cdev->client)
2510ef2d5afSMitch Williams goto out;
2520ef2d5afSMitch Williams if (!cdev->client->ops || !cdev->client->ops->vf_capable) {
25359e331e3SJacob Keller dev_dbg(&pf->pdev->dev,
254e3219ce6SAnjali Singhai Jain "Cannot locate client instance VF capability routine\n");
2550ef2d5afSMitch Williams goto out;
256e3219ce6SAnjali Singhai Jain }
2570ef2d5afSMitch Williams if (!test_bit(__I40E_CLIENT_INSTANCE_OPENED, &cdev->state))
2580ef2d5afSMitch Williams goto out;
2590ef2d5afSMitch Williams
260e3219ce6SAnjali Singhai Jain capable = cdev->client->ops->vf_capable(&cdev->lan_info,
261e3219ce6SAnjali Singhai Jain cdev->client,
262e3219ce6SAnjali Singhai Jain vf_id);
2630ef2d5afSMitch Williams out:
264e3219ce6SAnjali Singhai Jain return capable;
265e3219ce6SAnjali Singhai Jain }
266e3219ce6SAnjali Singhai Jain
i40e_client_update_msix_info(struct i40e_pf * pf)267ddbb8d5dSShiraz Saleem void i40e_client_update_msix_info(struct i40e_pf *pf)
268ddbb8d5dSShiraz Saleem {
269ddbb8d5dSShiraz Saleem struct i40e_client_instance *cdev = pf->cinst;
270ddbb8d5dSShiraz Saleem
271ddbb8d5dSShiraz Saleem if (!cdev || !cdev->client)
272ddbb8d5dSShiraz Saleem return;
273ddbb8d5dSShiraz Saleem
274ddbb8d5dSShiraz Saleem cdev->lan_info.msix_count = pf->num_iwarp_msix;
275ddbb8d5dSShiraz Saleem cdev->lan_info.msix_entries = &pf->msix_entries[pf->iwarp_base_vector];
276ddbb8d5dSShiraz Saleem }
277ddbb8d5dSShiraz Saleem
i40e_auxiliary_dev_release(struct device * dev)278f4370a85SShiraz Saleem static void i40e_auxiliary_dev_release(struct device *dev)
279f4370a85SShiraz Saleem {
280f4370a85SShiraz Saleem struct i40e_auxiliary_device *i40e_aux_dev =
281f4370a85SShiraz Saleem container_of(dev, struct i40e_auxiliary_device, aux_dev.dev);
282f4370a85SShiraz Saleem
283f4370a85SShiraz Saleem ida_free(&i40e_client_ida, i40e_aux_dev->aux_dev.id);
284f4370a85SShiraz Saleem kfree(i40e_aux_dev);
285f4370a85SShiraz Saleem }
286f4370a85SShiraz Saleem
i40e_register_auxiliary_dev(struct i40e_info * ldev,const char * name)287f4370a85SShiraz Saleem static int i40e_register_auxiliary_dev(struct i40e_info *ldev, const char *name)
288f4370a85SShiraz Saleem {
289f4370a85SShiraz Saleem struct i40e_auxiliary_device *i40e_aux_dev;
290f4370a85SShiraz Saleem struct pci_dev *pdev = ldev->pcidev;
291f4370a85SShiraz Saleem struct auxiliary_device *aux_dev;
292f4370a85SShiraz Saleem int ret;
293f4370a85SShiraz Saleem
294f4370a85SShiraz Saleem i40e_aux_dev = kzalloc(sizeof(*i40e_aux_dev), GFP_KERNEL);
295f4370a85SShiraz Saleem if (!i40e_aux_dev)
296f4370a85SShiraz Saleem return -ENOMEM;
297f4370a85SShiraz Saleem
298f4370a85SShiraz Saleem i40e_aux_dev->ldev = ldev;
299f4370a85SShiraz Saleem
300f4370a85SShiraz Saleem aux_dev = &i40e_aux_dev->aux_dev;
301f4370a85SShiraz Saleem aux_dev->name = name;
302f4370a85SShiraz Saleem aux_dev->dev.parent = &pdev->dev;
303f4370a85SShiraz Saleem aux_dev->dev.release = i40e_auxiliary_dev_release;
304f4370a85SShiraz Saleem ldev->aux_dev = aux_dev;
305f4370a85SShiraz Saleem
306f4370a85SShiraz Saleem ret = ida_alloc(&i40e_client_ida, GFP_KERNEL);
307f4370a85SShiraz Saleem if (ret < 0) {
308f4370a85SShiraz Saleem kfree(i40e_aux_dev);
309f4370a85SShiraz Saleem return ret;
310f4370a85SShiraz Saleem }
311f4370a85SShiraz Saleem aux_dev->id = ret;
312f4370a85SShiraz Saleem
313f4370a85SShiraz Saleem ret = auxiliary_device_init(aux_dev);
314f4370a85SShiraz Saleem if (ret < 0) {
315f4370a85SShiraz Saleem ida_free(&i40e_client_ida, aux_dev->id);
316f4370a85SShiraz Saleem kfree(i40e_aux_dev);
317f4370a85SShiraz Saleem return ret;
318f4370a85SShiraz Saleem }
319f4370a85SShiraz Saleem
320f4370a85SShiraz Saleem ret = auxiliary_device_add(aux_dev);
321f4370a85SShiraz Saleem if (ret) {
322f4370a85SShiraz Saleem auxiliary_device_uninit(aux_dev);
323f4370a85SShiraz Saleem return ret;
324f4370a85SShiraz Saleem }
325f4370a85SShiraz Saleem
326f4370a85SShiraz Saleem return ret;
327f4370a85SShiraz Saleem }
328f4370a85SShiraz Saleem
329e3219ce6SAnjali Singhai Jain /**
330e3219ce6SAnjali Singhai Jain * i40e_client_add_instance - add a client instance struct to the instance list
331e3219ce6SAnjali Singhai Jain * @pf: pointer to the board struct
332e3219ce6SAnjali Singhai Jain *
333e3219ce6SAnjali Singhai Jain **/
i40e_client_add_instance(struct i40e_pf * pf)3340ef2d5afSMitch Williams static void i40e_client_add_instance(struct i40e_pf *pf)
335e3219ce6SAnjali Singhai Jain {
336*43f4466cSIvan Vecera struct i40e_vsi *vsi = i40e_pf_get_main_vsi(pf);
3370ef2d5afSMitch Williams struct i40e_client_instance *cdev = NULL;
338e3219ce6SAnjali Singhai Jain struct netdev_hw_addr *mac = NULL;
339e3219ce6SAnjali Singhai Jain
340e3219ce6SAnjali Singhai Jain cdev = kzalloc(sizeof(*cdev), GFP_KERNEL);
341e3219ce6SAnjali Singhai Jain if (!cdev)
3420ef2d5afSMitch Williams return;
343e3219ce6SAnjali Singhai Jain
344e3219ce6SAnjali Singhai Jain cdev->lan_info.pf = (void *)pf;
345e3219ce6SAnjali Singhai Jain cdev->lan_info.netdev = vsi->netdev;
346e3219ce6SAnjali Singhai Jain cdev->lan_info.pcidev = pf->pdev;
347e3219ce6SAnjali Singhai Jain cdev->lan_info.fid = pf->hw.pf_id;
348e3219ce6SAnjali Singhai Jain cdev->lan_info.ftype = I40E_CLIENT_FTYPE_PF;
349e3219ce6SAnjali Singhai Jain cdev->lan_info.hw_addr = pf->hw.hw_addr;
350e3219ce6SAnjali Singhai Jain cdev->lan_info.ops = &i40e_lan_ops;
351e3219ce6SAnjali Singhai Jain cdev->lan_info.version.major = I40E_CLIENT_VERSION_MAJOR;
352e3219ce6SAnjali Singhai Jain cdev->lan_info.version.minor = I40E_CLIENT_VERSION_MINOR;
353e3219ce6SAnjali Singhai Jain cdev->lan_info.version.build = I40E_CLIENT_VERSION_BUILD;
354e3219ce6SAnjali Singhai Jain cdev->lan_info.fw_maj_ver = pf->hw.aq.fw_maj_ver;
355e3219ce6SAnjali Singhai Jain cdev->lan_info.fw_min_ver = pf->hw.aq.fw_min_ver;
356e3219ce6SAnjali Singhai Jain cdev->lan_info.fw_build = pf->hw.aq.fw_build;
357e3219ce6SAnjali Singhai Jain set_bit(__I40E_CLIENT_INSTANCE_NONE, &cdev->state);
358e3219ce6SAnjali Singhai Jain
359f4370a85SShiraz Saleem if (i40e_client_get_params(vsi, &cdev->lan_info.params))
360f4370a85SShiraz Saleem goto free_cdev;
361e3219ce6SAnjali Singhai Jain
362e3219ce6SAnjali Singhai Jain mac = list_first_entry(&cdev->lan_info.netdev->dev_addrs.list,
363e3219ce6SAnjali Singhai Jain struct netdev_hw_addr, list);
364e3219ce6SAnjali Singhai Jain if (mac)
365e3219ce6SAnjali Singhai Jain ether_addr_copy(cdev->lan_info.lanmac, mac->addr);
366e3219ce6SAnjali Singhai Jain else
367e3219ce6SAnjali Singhai Jain dev_err(&pf->pdev->dev, "MAC address list is empty!\n");
368e3219ce6SAnjali Singhai Jain
3690ef2d5afSMitch Williams pf->cinst = cdev;
370ddbb8d5dSShiraz Saleem
371f4370a85SShiraz Saleem cdev->lan_info.msix_count = pf->num_iwarp_msix;
372f4370a85SShiraz Saleem cdev->lan_info.msix_entries = &pf->msix_entries[pf->iwarp_base_vector];
373f4370a85SShiraz Saleem
374f4370a85SShiraz Saleem if (i40e_register_auxiliary_dev(&cdev->lan_info, "iwarp"))
375f4370a85SShiraz Saleem goto free_cdev;
376f4370a85SShiraz Saleem
377f4370a85SShiraz Saleem return;
378f4370a85SShiraz Saleem
379f4370a85SShiraz Saleem free_cdev:
380f4370a85SShiraz Saleem kfree(cdev);
381f4370a85SShiraz Saleem pf->cinst = NULL;
382e3219ce6SAnjali Singhai Jain }
383e3219ce6SAnjali Singhai Jain
384e3219ce6SAnjali Singhai Jain /**
385e3219ce6SAnjali Singhai Jain * i40e_client_del_instance - removes a client instance from the list
386e3219ce6SAnjali Singhai Jain * @pf: pointer to the board struct
387e3219ce6SAnjali Singhai Jain *
388e3219ce6SAnjali Singhai Jain **/
389e3219ce6SAnjali Singhai Jain static
i40e_client_del_instance(struct i40e_pf * pf)3900ef2d5afSMitch Williams void i40e_client_del_instance(struct i40e_pf *pf)
391e3219ce6SAnjali Singhai Jain {
3920ef2d5afSMitch Williams kfree(pf->cinst);
3930ef2d5afSMitch Williams pf->cinst = NULL;
394e3219ce6SAnjali Singhai Jain }
395e3219ce6SAnjali Singhai Jain
396e3219ce6SAnjali Singhai Jain /**
397e3219ce6SAnjali Singhai Jain * i40e_client_subtask - client maintenance work
398e3219ce6SAnjali Singhai Jain * @pf: board private structure
399e3219ce6SAnjali Singhai Jain **/
i40e_client_subtask(struct i40e_pf * pf)400e3219ce6SAnjali Singhai Jain void i40e_client_subtask(struct i40e_pf *pf)
401e3219ce6SAnjali Singhai Jain {
402*43f4466cSIvan Vecera struct i40e_vsi *vsi = i40e_pf_get_main_vsi(pf);
403e3219ce6SAnjali Singhai Jain struct i40e_client_instance *cdev;
404*43f4466cSIvan Vecera struct i40e_client *client;
405e3219ce6SAnjali Singhai Jain int ret = 0;
406e3219ce6SAnjali Singhai Jain
4075f76a704SJacob Keller if (!test_and_clear_bit(__I40E_CLIENT_SERVICE_REQUESTED, pf->state))
408e3219ce6SAnjali Singhai Jain return;
4090ef2d5afSMitch Williams cdev = pf->cinst;
410e3219ce6SAnjali Singhai Jain
411e3219ce6SAnjali Singhai Jain /* If we're down or resetting, just bail */
4120da36b97SJacob Keller if (test_bit(__I40E_DOWN, pf->state) ||
4130da36b97SJacob Keller test_bit(__I40E_CONFIG_BUSY, pf->state))
414e3219ce6SAnjali Singhai Jain return;
415e3219ce6SAnjali Singhai Jain
416f4370a85SShiraz Saleem if (!cdev || !cdev->client)
4170ef2d5afSMitch Williams return;
418e3219ce6SAnjali Singhai Jain
419f4370a85SShiraz Saleem client = cdev->client;
420f4370a85SShiraz Saleem
4217b0b1a6dSShiraz Saleem /* Here we handle client opens. If the client is down, and
4227b0b1a6dSShiraz Saleem * the netdev is registered, then open the client.
4230ef2d5afSMitch Williams */
4240ef2d5afSMitch Williams if (!test_bit(__I40E_CLIENT_INSTANCE_OPENED, &cdev->state)) {
4257b0b1a6dSShiraz Saleem if (vsi->netdev_registered &&
4260ef2d5afSMitch Williams client->ops && client->ops->open) {
4270ef2d5afSMitch Williams set_bit(__I40E_CLIENT_INSTANCE_OPENED, &cdev->state);
4280ef2d5afSMitch Williams ret = client->ops->open(&cdev->lan_info, client);
4290ef2d5afSMitch Williams if (ret) {
4300ef2d5afSMitch Williams /* Remove failed client instance */
4310ef2d5afSMitch Williams clear_bit(__I40E_CLIENT_INSTANCE_OPENED,
4327be96322SMitch Williams &cdev->state);
43338318f23SYunjian Wang return;
4340ef2d5afSMitch Williams }
4350ef2d5afSMitch Williams }
4367b0b1a6dSShiraz Saleem }
4377b0b1a6dSShiraz Saleem
4387b0b1a6dSShiraz Saleem /* enable/disable PE TCP_ENA flag based on netdev down/up
4390ef2d5afSMitch Williams */
4407b0b1a6dSShiraz Saleem if (test_bit(__I40E_VSI_DOWN, vsi->state))
4417b0b1a6dSShiraz Saleem i40e_client_update_vsi_ctxt(&cdev->lan_info, client,
4427b0b1a6dSShiraz Saleem 0, 0, 0,
4437b0b1a6dSShiraz Saleem I40E_CLIENT_VSI_FLAG_TCP_ENABLE);
4447b0b1a6dSShiraz Saleem else
4457b0b1a6dSShiraz Saleem i40e_client_update_vsi_ctxt(&cdev->lan_info, client,
4467b0b1a6dSShiraz Saleem 0, 0,
4477b0b1a6dSShiraz Saleem I40E_CLIENT_VSI_FLAG_TCP_ENABLE,
4487b0b1a6dSShiraz Saleem I40E_CLIENT_VSI_FLAG_TCP_ENABLE);
449e3219ce6SAnjali Singhai Jain }
450e3219ce6SAnjali Singhai Jain
451e3219ce6SAnjali Singhai Jain /**
452e3219ce6SAnjali Singhai Jain * i40e_lan_add_device - add a lan device struct to the list of lan devices
453e3219ce6SAnjali Singhai Jain * @pf: pointer to the board struct
454e3219ce6SAnjali Singhai Jain *
455e3219ce6SAnjali Singhai Jain * Returns 0 on success or none 0 on error
456e3219ce6SAnjali Singhai Jain **/
i40e_lan_add_device(struct i40e_pf * pf)457e3219ce6SAnjali Singhai Jain int i40e_lan_add_device(struct i40e_pf *pf)
458e3219ce6SAnjali Singhai Jain {
459e3219ce6SAnjali Singhai Jain struct i40e_device *ldev;
460e3219ce6SAnjali Singhai Jain int ret = 0;
461e3219ce6SAnjali Singhai Jain
462e3219ce6SAnjali Singhai Jain mutex_lock(&i40e_device_mutex);
463e3219ce6SAnjali Singhai Jain list_for_each_entry(ldev, &i40e_devices, list) {
464e3219ce6SAnjali Singhai Jain if (ldev->pf == pf) {
465e3219ce6SAnjali Singhai Jain ret = -EEXIST;
466e3219ce6SAnjali Singhai Jain goto out;
467e3219ce6SAnjali Singhai Jain }
468e3219ce6SAnjali Singhai Jain }
469e3219ce6SAnjali Singhai Jain ldev = kzalloc(sizeof(*ldev), GFP_KERNEL);
470e3219ce6SAnjali Singhai Jain if (!ldev) {
471e3219ce6SAnjali Singhai Jain ret = -ENOMEM;
472e3219ce6SAnjali Singhai Jain goto out;
473e3219ce6SAnjali Singhai Jain }
474e3219ce6SAnjali Singhai Jain ldev->pf = pf;
475e3219ce6SAnjali Singhai Jain INIT_LIST_HEAD(&ldev->list);
476e3219ce6SAnjali Singhai Jain list_add(&ldev->list, &i40e_devices);
477b3f028fcSSudheer Mogilappagari dev_info(&pf->pdev->dev, "Added LAN device PF%d bus=0x%02x dev=0x%02x func=0x%02x\n",
478b3f028fcSSudheer Mogilappagari pf->hw.pf_id, pf->hw.bus.bus_id,
479b3f028fcSSudheer Mogilappagari pf->hw.bus.device, pf->hw.bus.func);
480e3219ce6SAnjali Singhai Jain
4818090f618SMitch Williams i40e_client_add_instance(pf);
4828090f618SMitch Williams
4835f76a704SJacob Keller set_bit(__I40E_CLIENT_SERVICE_REQUESTED, pf->state);
484e3219ce6SAnjali Singhai Jain i40e_service_event_schedule(pf);
485e3219ce6SAnjali Singhai Jain
486e3219ce6SAnjali Singhai Jain out:
487e3219ce6SAnjali Singhai Jain mutex_unlock(&i40e_device_mutex);
488e3219ce6SAnjali Singhai Jain return ret;
489e3219ce6SAnjali Singhai Jain }
490e3219ce6SAnjali Singhai Jain
491e3219ce6SAnjali Singhai Jain /**
492e3219ce6SAnjali Singhai Jain * i40e_lan_del_device - removes a lan device from the device list
493e3219ce6SAnjali Singhai Jain * @pf: pointer to the board struct
494e3219ce6SAnjali Singhai Jain *
495e3219ce6SAnjali Singhai Jain * Returns 0 on success or non-0 on error
496e3219ce6SAnjali Singhai Jain **/
i40e_lan_del_device(struct i40e_pf * pf)497e3219ce6SAnjali Singhai Jain int i40e_lan_del_device(struct i40e_pf *pf)
498e3219ce6SAnjali Singhai Jain {
499f4370a85SShiraz Saleem struct auxiliary_device *aux_dev = pf->cinst->lan_info.aux_dev;
500e3219ce6SAnjali Singhai Jain struct i40e_device *ldev, *tmp;
501e3219ce6SAnjali Singhai Jain int ret = -ENODEV;
502e3219ce6SAnjali Singhai Jain
503f4370a85SShiraz Saleem auxiliary_device_delete(aux_dev);
504f4370a85SShiraz Saleem auxiliary_device_uninit(aux_dev);
505f4370a85SShiraz Saleem
506295c0a55SMitch Williams /* First, remove any client instance. */
507295c0a55SMitch Williams i40e_client_del_instance(pf);
508295c0a55SMitch Williams
509e3219ce6SAnjali Singhai Jain mutex_lock(&i40e_device_mutex);
510e3219ce6SAnjali Singhai Jain list_for_each_entry_safe(ldev, tmp, &i40e_devices, list) {
511e3219ce6SAnjali Singhai Jain if (ldev->pf == pf) {
512b3f028fcSSudheer Mogilappagari dev_info(&pf->pdev->dev, "Deleted LAN device PF%d bus=0x%02x dev=0x%02x func=0x%02x\n",
513b3f028fcSSudheer Mogilappagari pf->hw.pf_id, pf->hw.bus.bus_id,
514b3f028fcSSudheer Mogilappagari pf->hw.bus.device, pf->hw.bus.func);
515e3219ce6SAnjali Singhai Jain list_del(&ldev->list);
516e3219ce6SAnjali Singhai Jain kfree(ldev);
517e3219ce6SAnjali Singhai Jain ret = 0;
518e3219ce6SAnjali Singhai Jain break;
519e3219ce6SAnjali Singhai Jain }
520e3219ce6SAnjali Singhai Jain }
521e3219ce6SAnjali Singhai Jain mutex_unlock(&i40e_device_mutex);
522e3219ce6SAnjali Singhai Jain return ret;
523e3219ce6SAnjali Singhai Jain }
524e3219ce6SAnjali Singhai Jain
525e3219ce6SAnjali Singhai Jain /**
526e3219ce6SAnjali Singhai Jain * i40e_client_virtchnl_send - TBD
527e3219ce6SAnjali Singhai Jain * @ldev: pointer to L2 context
528e3219ce6SAnjali Singhai Jain * @client: Client pointer
529e3219ce6SAnjali Singhai Jain * @vf_id: absolute VF identifier
530e3219ce6SAnjali Singhai Jain * @msg: message buffer
531e3219ce6SAnjali Singhai Jain * @len: length of message buffer
532e3219ce6SAnjali Singhai Jain *
533e3219ce6SAnjali Singhai Jain * Return 0 on success or < 0 on error
534e3219ce6SAnjali Singhai Jain **/
i40e_client_virtchnl_send(struct i40e_info * ldev,struct i40e_client * client,u32 vf_id,u8 * msg,u16 len)535e3219ce6SAnjali Singhai Jain static int i40e_client_virtchnl_send(struct i40e_info *ldev,
536e3219ce6SAnjali Singhai Jain struct i40e_client *client,
537e3219ce6SAnjali Singhai Jain u32 vf_id, u8 *msg, u16 len)
538e3219ce6SAnjali Singhai Jain {
539e3219ce6SAnjali Singhai Jain struct i40e_pf *pf = ldev->pf;
540e3219ce6SAnjali Singhai Jain struct i40e_hw *hw = &pf->hw;
5415180ff13SJan Sokolowski int err;
542e3219ce6SAnjali Singhai Jain
5432723f3b5SJesse Brandeburg err = i40e_aq_send_msg_to_vf(hw, vf_id, VIRTCHNL_OP_RDMA,
544e3219ce6SAnjali Singhai Jain 0, msg, len, NULL);
545e3219ce6SAnjali Singhai Jain if (err)
546e3219ce6SAnjali Singhai Jain dev_err(&pf->pdev->dev, "Unable to send iWarp message to VF, error %d, aq status %d\n",
547e3219ce6SAnjali Singhai Jain err, hw->aq.asq_last_status);
548e3219ce6SAnjali Singhai Jain
549e3219ce6SAnjali Singhai Jain return err;
550e3219ce6SAnjali Singhai Jain }
551e3219ce6SAnjali Singhai Jain
552e3219ce6SAnjali Singhai Jain /**
553e3219ce6SAnjali Singhai Jain * i40e_client_setup_qvlist
554e3219ce6SAnjali Singhai Jain * @ldev: pointer to L2 context.
555e3219ce6SAnjali Singhai Jain * @client: Client pointer.
556f5254429SJacob Keller * @qvlist_info: queue and vector list
557e3219ce6SAnjali Singhai Jain *
558e3219ce6SAnjali Singhai Jain * Return 0 on success or < 0 on error
559e3219ce6SAnjali Singhai Jain **/
i40e_client_setup_qvlist(struct i40e_info * ldev,struct i40e_client * client,struct i40e_qvlist_info * qvlist_info)560e3219ce6SAnjali Singhai Jain static int i40e_client_setup_qvlist(struct i40e_info *ldev,
561e3219ce6SAnjali Singhai Jain struct i40e_client *client,
562e3219ce6SAnjali Singhai Jain struct i40e_qvlist_info *qvlist_info)
563e3219ce6SAnjali Singhai Jain {
564e3219ce6SAnjali Singhai Jain struct i40e_pf *pf = ldev->pf;
565e3219ce6SAnjali Singhai Jain struct i40e_hw *hw = &pf->hw;
566e3219ce6SAnjali Singhai Jain struct i40e_qv_info *qv_info;
567e3219ce6SAnjali Singhai Jain u32 v_idx, i, reg_idx, reg;
568e3219ce6SAnjali Singhai Jain
569825f0a4eSGustavo A. R. Silva ldev->qvlist_info = kzalloc(struct_size(ldev->qvlist_info, qv_info,
570125217e0SGustavo A. R. Silva qvlist_info->num_vectors), GFP_KERNEL);
5710a4ecc2cSChristophe Jaillet if (!ldev->qvlist_info)
5720a4ecc2cSChristophe Jaillet return -ENOMEM;
573e3219ce6SAnjali Singhai Jain ldev->qvlist_info->num_vectors = qvlist_info->num_vectors;
574e3219ce6SAnjali Singhai Jain
575e3219ce6SAnjali Singhai Jain for (i = 0; i < qvlist_info->num_vectors; i++) {
576e3219ce6SAnjali Singhai Jain qv_info = &qvlist_info->qv_info[i];
577e3219ce6SAnjali Singhai Jain v_idx = qv_info->v_idx;
578e3219ce6SAnjali Singhai Jain
579e3219ce6SAnjali Singhai Jain /* Validate vector id belongs to this client */
580e3219ce6SAnjali Singhai Jain if ((v_idx >= (pf->iwarp_base_vector + pf->num_iwarp_msix)) ||
581e3219ce6SAnjali Singhai Jain (v_idx < pf->iwarp_base_vector))
582e3219ce6SAnjali Singhai Jain goto err;
583e3219ce6SAnjali Singhai Jain
584e3219ce6SAnjali Singhai Jain ldev->qvlist_info->qv_info[i] = *qv_info;
585e3219ce6SAnjali Singhai Jain reg_idx = I40E_PFINT_LNKLSTN(v_idx - 1);
586e3219ce6SAnjali Singhai Jain
587e3219ce6SAnjali Singhai Jain if (qv_info->ceq_idx == I40E_QUEUE_INVALID_IDX) {
588e3219ce6SAnjali Singhai Jain /* Special case - No CEQ mapped on this vector */
589e3219ce6SAnjali Singhai Jain wr32(hw, reg_idx, I40E_PFINT_LNKLSTN_FIRSTQ_INDX_MASK);
590e3219ce6SAnjali Singhai Jain } else {
591e3219ce6SAnjali Singhai Jain reg = (qv_info->ceq_idx &
592e3219ce6SAnjali Singhai Jain I40E_PFINT_LNKLSTN_FIRSTQ_INDX_MASK) |
593e3219ce6SAnjali Singhai Jain (I40E_QUEUE_TYPE_PE_CEQ <<
594e3219ce6SAnjali Singhai Jain I40E_PFINT_LNKLSTN_FIRSTQ_TYPE_SHIFT);
595e3219ce6SAnjali Singhai Jain wr32(hw, reg_idx, reg);
596e3219ce6SAnjali Singhai Jain
597e3219ce6SAnjali Singhai Jain reg = (I40E_PFINT_CEQCTL_CAUSE_ENA_MASK |
598e3219ce6SAnjali Singhai Jain (v_idx << I40E_PFINT_CEQCTL_MSIX_INDX_SHIFT) |
599e3219ce6SAnjali Singhai Jain (qv_info->itr_idx <<
600e3219ce6SAnjali Singhai Jain I40E_PFINT_CEQCTL_ITR_INDX_SHIFT) |
601e3219ce6SAnjali Singhai Jain (I40E_QUEUE_END_OF_LIST <<
602e3219ce6SAnjali Singhai Jain I40E_PFINT_CEQCTL_NEXTQ_INDX_SHIFT));
603e3219ce6SAnjali Singhai Jain wr32(hw, I40E_PFINT_CEQCTL(qv_info->ceq_idx), reg);
604e3219ce6SAnjali Singhai Jain }
605e3219ce6SAnjali Singhai Jain if (qv_info->aeq_idx != I40E_QUEUE_INVALID_IDX) {
606e3219ce6SAnjali Singhai Jain reg = (I40E_PFINT_AEQCTL_CAUSE_ENA_MASK |
607e3219ce6SAnjali Singhai Jain (v_idx << I40E_PFINT_AEQCTL_MSIX_INDX_SHIFT) |
608e3219ce6SAnjali Singhai Jain (qv_info->itr_idx <<
609e3219ce6SAnjali Singhai Jain I40E_PFINT_AEQCTL_ITR_INDX_SHIFT));
610e3219ce6SAnjali Singhai Jain
611e3219ce6SAnjali Singhai Jain wr32(hw, I40E_PFINT_AEQCTL, reg);
612e3219ce6SAnjali Singhai Jain }
613e3219ce6SAnjali Singhai Jain }
61470df973bSAvinash Dayanand /* Mitigate sync problems with iwarp VF driver */
61570df973bSAvinash Dayanand i40e_flush(hw);
616e3219ce6SAnjali Singhai Jain return 0;
617e3219ce6SAnjali Singhai Jain err:
618e3219ce6SAnjali Singhai Jain kfree(ldev->qvlist_info);
619e3219ce6SAnjali Singhai Jain ldev->qvlist_info = NULL;
620e3219ce6SAnjali Singhai Jain return -EINVAL;
621e3219ce6SAnjali Singhai Jain }
622e3219ce6SAnjali Singhai Jain
623e3219ce6SAnjali Singhai Jain /**
624e3219ce6SAnjali Singhai Jain * i40e_client_request_reset
625e3219ce6SAnjali Singhai Jain * @ldev: pointer to L2 context.
626e3219ce6SAnjali Singhai Jain * @client: Client pointer.
627f5254429SJacob Keller * @reset_level: reset level
628e3219ce6SAnjali Singhai Jain **/
i40e_client_request_reset(struct i40e_info * ldev,struct i40e_client * client,u32 reset_level)629e3219ce6SAnjali Singhai Jain static void i40e_client_request_reset(struct i40e_info *ldev,
630e3219ce6SAnjali Singhai Jain struct i40e_client *client,
631e3219ce6SAnjali Singhai Jain u32 reset_level)
632e3219ce6SAnjali Singhai Jain {
633e3219ce6SAnjali Singhai Jain struct i40e_pf *pf = ldev->pf;
634e3219ce6SAnjali Singhai Jain
635e3219ce6SAnjali Singhai Jain switch (reset_level) {
636e3219ce6SAnjali Singhai Jain case I40E_CLIENT_RESET_LEVEL_PF:
6370da36b97SJacob Keller set_bit(__I40E_PF_RESET_REQUESTED, pf->state);
638e3219ce6SAnjali Singhai Jain break;
639e3219ce6SAnjali Singhai Jain case I40E_CLIENT_RESET_LEVEL_CORE:
6400da36b97SJacob Keller set_bit(__I40E_PF_RESET_REQUESTED, pf->state);
641e3219ce6SAnjali Singhai Jain break;
642e3219ce6SAnjali Singhai Jain default:
643e3219ce6SAnjali Singhai Jain dev_warn(&pf->pdev->dev,
6440ef2d5afSMitch Williams "Client for PF id %d requested an unsupported reset: %d.\n",
6450ef2d5afSMitch Williams pf->hw.pf_id, reset_level);
646e3219ce6SAnjali Singhai Jain break;
647e3219ce6SAnjali Singhai Jain }
648e3219ce6SAnjali Singhai Jain
649e3219ce6SAnjali Singhai Jain i40e_service_event_schedule(pf);
650e3219ce6SAnjali Singhai Jain }
651e3219ce6SAnjali Singhai Jain
652e3219ce6SAnjali Singhai Jain /**
653e3219ce6SAnjali Singhai Jain * i40e_client_update_vsi_ctxt
654e3219ce6SAnjali Singhai Jain * @ldev: pointer to L2 context.
655e3219ce6SAnjali Singhai Jain * @client: Client pointer.
656e3219ce6SAnjali Singhai Jain * @is_vf: if this for the VF
657e3219ce6SAnjali Singhai Jain * @vf_id: if is_vf true this carries the vf_id
658e3219ce6SAnjali Singhai Jain * @flag: Any device level setting that needs to be done for PE
659e3219ce6SAnjali Singhai Jain * @valid_flag: Bits in this match up and enable changing of flag bits
660e3219ce6SAnjali Singhai Jain *
661e3219ce6SAnjali Singhai Jain * Return 0 on success or < 0 on error
662e3219ce6SAnjali Singhai Jain **/
i40e_client_update_vsi_ctxt(struct i40e_info * ldev,struct i40e_client * client,bool is_vf,u32 vf_id,u32 flag,u32 valid_flag)663e3219ce6SAnjali Singhai Jain static int i40e_client_update_vsi_ctxt(struct i40e_info *ldev,
664e3219ce6SAnjali Singhai Jain struct i40e_client *client,
665e3219ce6SAnjali Singhai Jain bool is_vf, u32 vf_id,
666e3219ce6SAnjali Singhai Jain u32 flag, u32 valid_flag)
667e3219ce6SAnjali Singhai Jain {
668*43f4466cSIvan Vecera struct i40e_vsi *vsi = i40e_pf_get_main_vsi(ldev->pf);
669e3219ce6SAnjali Singhai Jain struct i40e_pf *pf = ldev->pf;
670e3219ce6SAnjali Singhai Jain struct i40e_vsi_context ctxt;
671e3219ce6SAnjali Singhai Jain bool update = true;
6725180ff13SJan Sokolowski int err;
673e3219ce6SAnjali Singhai Jain
674e3219ce6SAnjali Singhai Jain /* TODO: for now do not allow setting VF's VSI setting */
675e3219ce6SAnjali Singhai Jain if (is_vf)
676e3219ce6SAnjali Singhai Jain return -EINVAL;
677e3219ce6SAnjali Singhai Jain
678e3219ce6SAnjali Singhai Jain ctxt.seid = pf->main_vsi_seid;
679e3219ce6SAnjali Singhai Jain ctxt.pf_num = pf->hw.pf_id;
680e3219ce6SAnjali Singhai Jain err = i40e_aq_get_vsi_params(&pf->hw, &ctxt, NULL);
681e3219ce6SAnjali Singhai Jain ctxt.flags = I40E_AQ_VSI_TYPE_PF;
682e3219ce6SAnjali Singhai Jain if (err) {
683e3219ce6SAnjali Singhai Jain dev_info(&pf->pdev->dev,
684d5ba1842SJan Sokolowski "couldn't get PF vsi config, err %pe aq_err %s\n",
685d5ba1842SJan Sokolowski ERR_PTR(err),
686e3219ce6SAnjali Singhai Jain i40e_aq_str(&pf->hw,
687e3219ce6SAnjali Singhai Jain pf->hw.aq.asq_last_status));
688e3219ce6SAnjali Singhai Jain return -ENOENT;
689e3219ce6SAnjali Singhai Jain }
690e3219ce6SAnjali Singhai Jain
6917b0b1a6dSShiraz Saleem if ((valid_flag & I40E_CLIENT_VSI_FLAG_TCP_ENABLE) &&
6927b0b1a6dSShiraz Saleem (flag & I40E_CLIENT_VSI_FLAG_TCP_ENABLE)) {
693e3219ce6SAnjali Singhai Jain ctxt.info.valid_sections =
694e3219ce6SAnjali Singhai Jain cpu_to_le16(I40E_AQ_VSI_PROP_QUEUE_OPT_VALID);
695e3219ce6SAnjali Singhai Jain ctxt.info.queueing_opt_flags |= I40E_AQ_VSI_QUE_OPT_TCP_ENA;
6967b0b1a6dSShiraz Saleem } else if ((valid_flag & I40E_CLIENT_VSI_FLAG_TCP_ENABLE) &&
6977b0b1a6dSShiraz Saleem !(flag & I40E_CLIENT_VSI_FLAG_TCP_ENABLE)) {
698e3219ce6SAnjali Singhai Jain ctxt.info.valid_sections =
699e3219ce6SAnjali Singhai Jain cpu_to_le16(I40E_AQ_VSI_PROP_QUEUE_OPT_VALID);
700e3219ce6SAnjali Singhai Jain ctxt.info.queueing_opt_flags &= ~I40E_AQ_VSI_QUE_OPT_TCP_ENA;
701e3219ce6SAnjali Singhai Jain } else {
702e3219ce6SAnjali Singhai Jain update = false;
703e3219ce6SAnjali Singhai Jain dev_warn(&pf->pdev->dev,
7040ef2d5afSMitch Williams "Client for PF id %d request an unsupported Config: %x.\n",
7050ef2d5afSMitch Williams pf->hw.pf_id, flag);
706e3219ce6SAnjali Singhai Jain }
707e3219ce6SAnjali Singhai Jain
708e3219ce6SAnjali Singhai Jain if (update) {
709e3219ce6SAnjali Singhai Jain err = i40e_aq_update_vsi_params(&vsi->back->hw, &ctxt, NULL);
710e3219ce6SAnjali Singhai Jain if (err) {
711e3219ce6SAnjali Singhai Jain dev_info(&pf->pdev->dev,
712d5ba1842SJan Sokolowski "update VSI ctxt for PE failed, err %pe aq_err %s\n",
713d5ba1842SJan Sokolowski ERR_PTR(err),
714e3219ce6SAnjali Singhai Jain i40e_aq_str(&pf->hw,
715e3219ce6SAnjali Singhai Jain pf->hw.aq.asq_last_status));
716e3219ce6SAnjali Singhai Jain }
717e3219ce6SAnjali Singhai Jain }
718e3219ce6SAnjali Singhai Jain return err;
719e3219ce6SAnjali Singhai Jain }
720e3219ce6SAnjali Singhai Jain
i40e_client_device_register(struct i40e_info * ldev,struct i40e_client * client)721f4370a85SShiraz Saleem void i40e_client_device_register(struct i40e_info *ldev, struct i40e_client *client)
722f4370a85SShiraz Saleem {
723f4370a85SShiraz Saleem struct i40e_pf *pf = ldev->pf;
724f4370a85SShiraz Saleem
725f4370a85SShiraz Saleem pf->cinst->client = client;
726f4370a85SShiraz Saleem set_bit(__I40E_CLIENT_SERVICE_REQUESTED, pf->state);
727f4370a85SShiraz Saleem i40e_service_event_schedule(pf);
728f4370a85SShiraz Saleem }
729f4370a85SShiraz Saleem EXPORT_SYMBOL_GPL(i40e_client_device_register);
730f4370a85SShiraz Saleem
i40e_client_device_unregister(struct i40e_info * ldev)731f4370a85SShiraz Saleem void i40e_client_device_unregister(struct i40e_info *ldev)
732f4370a85SShiraz Saleem {
733f4370a85SShiraz Saleem struct i40e_pf *pf = ldev->pf;
734f4370a85SShiraz Saleem struct i40e_client_instance *cdev = pf->cinst;
735f4370a85SShiraz Saleem
736f4370a85SShiraz Saleem if (!cdev)
737f4370a85SShiraz Saleem return;
738f4370a85SShiraz Saleem
739f4370a85SShiraz Saleem while (test_and_set_bit(__I40E_SERVICE_SCHED, pf->state))
740f4370a85SShiraz Saleem usleep_range(500, 1000);
741f4370a85SShiraz Saleem
742f4370a85SShiraz Saleem if (test_bit(__I40E_CLIENT_INSTANCE_OPENED, &cdev->state)) {
743f4370a85SShiraz Saleem cdev->client->ops->close(&cdev->lan_info, cdev->client, false);
744f4370a85SShiraz Saleem clear_bit(__I40E_CLIENT_INSTANCE_OPENED, &cdev->state);
745f4370a85SShiraz Saleem i40e_client_release_qvlist(&cdev->lan_info);
746f4370a85SShiraz Saleem }
747f4370a85SShiraz Saleem
748f4370a85SShiraz Saleem pf->cinst->client = NULL;
749f4370a85SShiraz Saleem clear_bit(__I40E_SERVICE_SCHED, pf->state);
750f4370a85SShiraz Saleem }
751f4370a85SShiraz Saleem EXPORT_SYMBOL_GPL(i40e_client_device_unregister);
752