1// SPDX-License-Identifier: GPL-2.0
  2/* Copyright(c) 2013 - 2018 Intel Corporation. */
  3
  4#include <linux/list.h>
  5#include <linux/errno.h>
  6#include <linux/net/intel/i40e_client.h>
  7
  8#include "i40e.h"
  9
 10static LIST_HEAD(i40e_devices);
 11static DEFINE_MUTEX(i40e_device_mutex);
 12DEFINE_IDA(i40e_client_ida);
 13
 14static int i40e_client_virtchnl_send(struct i40e_info *ldev,
 15				     struct i40e_client *client,
 16				     u32 vf_id, u8 *msg, u16 len);
 17
 18static int i40e_client_setup_qvlist(struct i40e_info *ldev,
 19				    struct i40e_client *client,
 20				    struct i40e_qvlist_info *qvlist_info);
 21
 22static void i40e_client_request_reset(struct i40e_info *ldev,
 23				      struct i40e_client *client,
 24				      u32 reset_level);
 25
 26static int i40e_client_update_vsi_ctxt(struct i40e_info *ldev,
 27				       struct i40e_client *client,
 28				       bool is_vf, u32 vf_id,
 29				       u32 flag, u32 valid_flag);
 30
 31static struct i40e_ops i40e_lan_ops = {
 32	.virtchnl_send = i40e_client_virtchnl_send,
 33	.setup_qvlist = i40e_client_setup_qvlist,
 34	.request_reset = i40e_client_request_reset,
 35	.update_vsi_ctxt = i40e_client_update_vsi_ctxt,
 36};
 37
 38/**
 39 * i40e_client_get_params - Get the params that can change at runtime
 40 * @vsi: the VSI with the message
 41 * @params: client param struct
 42 *
 43 **/
 44static
 45int i40e_client_get_params(struct i40e_vsi *vsi, struct i40e_params *params)
 46{
 47	struct i40e_dcbx_config *dcb_cfg = &vsi->back->hw.local_dcbx_config;
 48	int i = 0;
 49
 50	for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) {
 51		u8 tc = dcb_cfg->etscfg.prioritytable[i];
 52		u16 qs_handle;
 53
 54		/* If TC is not enabled for VSI use TC0 for UP */
 55		if (!(vsi->tc_config.enabled_tc & BIT(tc)))
 56			tc = 0;
 57
 58		qs_handle = le16_to_cpu(vsi->info.qs_handle[tc]);
 59		params->qos.prio_qos[i].tc = tc;
 60		params->qos.prio_qos[i].qs_handle = qs_handle;
 61		if (qs_handle == I40E_AQ_VSI_QS_HANDLE_INVALID) {
 62			dev_err(&vsi->back->pdev->dev, "Invalid queue set handle for TC = %d, vsi id = %d\n",
 63				tc, vsi->id);
 64			return -EINVAL;
 65		}
 66	}
 67
 68	params->mtu = vsi->netdev->mtu;
 69	return 0;
 70}
 71
 72/**
 73 * i40e_notify_client_of_vf_msg - call the client vf message callback
 74 * @vsi: the VSI with the message
 75 * @vf_id: the absolute VF id that sent the message
 76 * @msg: message buffer
 77 * @len: length of the message
 78 *
 79 * If there is a client to this VSI, call the client
 80 **/
 81void
 82i40e_notify_client_of_vf_msg(struct i40e_vsi *vsi, u32 vf_id, u8 *msg, u16 len)
 83{
 84	struct i40e_pf *pf = vsi->back;
 85	struct i40e_client_instance *cdev = pf->cinst;
 86
 87	if (!cdev || !cdev->client)
 88		return;
 89	if (!cdev->client->ops || !cdev->client->ops->virtchnl_receive) {
 90		dev_dbg(&pf->pdev->dev,
 91			"Cannot locate client instance virtual channel receive routine\n");
 92		return;
 93	}
 94	if (!test_bit(__I40E_CLIENT_INSTANCE_OPENED, &cdev->state)) {
 95		dev_dbg(&pf->pdev->dev, "Client is not open, abort virtchnl_receive\n");
 96		return;
 97	}
 98	cdev->client->ops->virtchnl_receive(&cdev->lan_info, cdev->client,
 99					    vf_id, msg, len);
100}
101
102/**
103 * i40e_notify_client_of_l2_param_changes - call the client notify callback
104 * @pf: PF device pointer
105 *
106 * If there is a client, call its callback
107 **/
108void i40e_notify_client_of_l2_param_changes(struct i40e_pf *pf)
109{
110	struct i40e_vsi *vsi = i40e_pf_get_main_vsi(pf);
111	struct i40e_client_instance *cdev = pf->cinst;
112	struct i40e_params params;
113
114	if (!cdev || !cdev->client)
115		return;
116	if (!cdev->client->ops || !cdev->client->ops->l2_param_change) {
117		dev_dbg(&pf->pdev->dev,
118			"Cannot locate client instance l2_param_change routine\n");
119		return;
120	}
121	if (!test_bit(__I40E_CLIENT_INSTANCE_OPENED, &cdev->state)) {
122		dev_dbg(&pf->pdev->dev,
123			"Client is not open, abort l2 param change\n");
124		return;
125	}
126	memset(&params, 0, sizeof(params));
127	i40e_client_get_params(vsi, &params);
128	memcpy(&cdev->lan_info.params, &params, sizeof(struct i40e_params));
129	cdev->client->ops->l2_param_change(&cdev->lan_info, cdev->client,
130					   &params);
131}
132
133/**
134 * i40e_client_release_qvlist - release MSI-X vector mapping for client
135 * @ldev: pointer to L2 context.
136 *
137 **/
138static void i40e_client_release_qvlist(struct i40e_info *ldev)
139{
140	struct i40e_qvlist_info *qvlist_info = ldev->qvlist_info;
141	u32 i;
142
143	if (!ldev->qvlist_info)
144		return;
145
146	for (i = 0; i < qvlist_info->num_vectors; i++) {
147		struct i40e_pf *pf = ldev->pf;
148		struct i40e_qv_info *qv_info;
149		u32 reg_idx;
150
151		qv_info = &qvlist_info->qv_info[i];
 
 
152		reg_idx = I40E_PFINT_LNKLSTN(qv_info->v_idx - 1);
153		wr32(&pf->hw, reg_idx, I40E_PFINT_LNKLSTN_FIRSTQ_INDX_MASK);
154	}
155	kfree(ldev->qvlist_info);
156	ldev->qvlist_info = NULL;
157}
158
159/**
160 * i40e_notify_client_of_netdev_close - call the client close callback
161 * @pf: PF device pointer
162 * @reset: true when close called due to a reset pending
163 *
164 * If there is a client to this netdev, call the client with close
165 **/
166void i40e_notify_client_of_netdev_close(struct i40e_pf *pf, bool reset)
167{
 
168	struct i40e_client_instance *cdev = pf->cinst;
169
170	if (!cdev || !cdev->client)
171		return;
172	if (!cdev->client->ops || !cdev->client->ops->close) {
173		dev_dbg(&pf->pdev->dev,
174			"Cannot locate client instance close routine\n");
175		return;
176	}
177	if (!test_bit(__I40E_CLIENT_INSTANCE_OPENED, &cdev->state)) {
178		dev_dbg(&pf->pdev->dev, "Client is not open, abort close\n");
179		return;
180	}
181	cdev->client->ops->close(&cdev->lan_info, cdev->client, reset);
182	clear_bit(__I40E_CLIENT_INSTANCE_OPENED, &cdev->state);
183	i40e_client_release_qvlist(&cdev->lan_info);
184}
185
186/**
187 * i40e_notify_client_of_vf_reset - call the client vf reset callback
188 * @pf: PF device pointer
189 * @vf_id: asolute id of VF being reset
190 *
191 * If there is a client attached to this PF, notify when a VF is reset
192 **/
193void i40e_notify_client_of_vf_reset(struct i40e_pf *pf, u32 vf_id)
194{
195	struct i40e_client_instance *cdev = pf->cinst;
196
197	if (!cdev || !cdev->client)
198		return;
199	if (!cdev->client->ops || !cdev->client->ops->vf_reset) {
200		dev_dbg(&pf->pdev->dev,
201			"Cannot locate client instance VF reset routine\n");
202		return;
203	}
204	if (!test_bit(__I40E_CLIENT_INSTANCE_OPENED,  &cdev->state)) {
205		dev_dbg(&pf->pdev->dev, "Client is not open, abort vf-reset\n");
206		return;
207	}
208	cdev->client->ops->vf_reset(&cdev->lan_info, cdev->client, vf_id);
209}
210
211/**
212 * i40e_notify_client_of_vf_enable - call the client vf notification callback
213 * @pf: PF device pointer
214 * @num_vfs: the number of VFs currently enabled, 0 for disable
215 *
216 * If there is a client attached to this PF, call its VF notification routine
217 **/
218void i40e_notify_client_of_vf_enable(struct i40e_pf *pf, u32 num_vfs)
219{
220	struct i40e_client_instance *cdev = pf->cinst;
221
222	if (!cdev || !cdev->client)
223		return;
224	if (!cdev->client->ops || !cdev->client->ops->vf_enable) {
225		dev_dbg(&pf->pdev->dev,
226			"Cannot locate client instance VF enable routine\n");
227		return;
228	}
229	if (!test_bit(__I40E_CLIENT_INSTANCE_OPENED,
230		      &cdev->state)) {
231		dev_dbg(&pf->pdev->dev, "Client is not open, abort vf-enable\n");
232		return;
233	}
234	cdev->client->ops->vf_enable(&cdev->lan_info, cdev->client, num_vfs);
235}
236
237/**
238 * i40e_vf_client_capable - ask the client if it likes the specified VF
239 * @pf: PF device pointer
240 * @vf_id: the VF in question
241 *
242 * If there is a client of the specified type attached to this PF, call
243 * its vf_capable routine
244 **/
245int i40e_vf_client_capable(struct i40e_pf *pf, u32 vf_id)
246{
247	struct i40e_client_instance *cdev = pf->cinst;
248	int capable = false;
249
250	if (!cdev || !cdev->client)
251		goto out;
252	if (!cdev->client->ops || !cdev->client->ops->vf_capable) {
253		dev_dbg(&pf->pdev->dev,
254			"Cannot locate client instance VF capability routine\n");
255		goto out;
256	}
257	if (!test_bit(__I40E_CLIENT_INSTANCE_OPENED, &cdev->state))
258		goto out;
259
260	capable = cdev->client->ops->vf_capable(&cdev->lan_info,
261						cdev->client,
262						vf_id);
263out:
264	return capable;
265}
266
267void i40e_client_update_msix_info(struct i40e_pf *pf)
268{
269	struct i40e_client_instance *cdev = pf->cinst;
270
271	if (!cdev || !cdev->client)
272		return;
273
274	cdev->lan_info.msix_count = pf->num_iwarp_msix;
275	cdev->lan_info.msix_entries = &pf->msix_entries[pf->iwarp_base_vector];
276}
277
278static void i40e_auxiliary_dev_release(struct device *dev)
279{
280	struct i40e_auxiliary_device *i40e_aux_dev =
281			container_of(dev, struct i40e_auxiliary_device, aux_dev.dev);
282
283	ida_free(&i40e_client_ida, i40e_aux_dev->aux_dev.id);
284	kfree(i40e_aux_dev);
285}
286
287static int i40e_register_auxiliary_dev(struct i40e_info *ldev, const char *name)
288{
289	struct i40e_auxiliary_device *i40e_aux_dev;
290	struct pci_dev *pdev = ldev->pcidev;
291	struct auxiliary_device *aux_dev;
292	int ret;
293
294	i40e_aux_dev = kzalloc(sizeof(*i40e_aux_dev), GFP_KERNEL);
295	if (!i40e_aux_dev)
296		return -ENOMEM;
297
298	i40e_aux_dev->ldev = ldev;
299
300	aux_dev = &i40e_aux_dev->aux_dev;
301	aux_dev->name = name;
302	aux_dev->dev.parent = &pdev->dev;
303	aux_dev->dev.release = i40e_auxiliary_dev_release;
304	ldev->aux_dev = aux_dev;
305
306	ret = ida_alloc(&i40e_client_ida, GFP_KERNEL);
307	if (ret < 0) {
308		kfree(i40e_aux_dev);
309		return ret;
310	}
311	aux_dev->id = ret;
312
313	ret = auxiliary_device_init(aux_dev);
314	if (ret < 0) {
315		ida_free(&i40e_client_ida, aux_dev->id);
316		kfree(i40e_aux_dev);
317		return ret;
318	}
319
320	ret = auxiliary_device_add(aux_dev);
321	if (ret) {
322		auxiliary_device_uninit(aux_dev);
323		return ret;
324	}
325
326	return ret;
327}
328
329/**
330 * i40e_client_add_instance - add a client instance struct to the instance list
331 * @pf: pointer to the board struct
332 *
333 **/
334static void i40e_client_add_instance(struct i40e_pf *pf)
335{
336	struct i40e_vsi *vsi = i40e_pf_get_main_vsi(pf);
337	struct i40e_client_instance *cdev = NULL;
338	struct netdev_hw_addr *mac = NULL;
 
339
340	cdev = kzalloc(sizeof(*cdev), GFP_KERNEL);
341	if (!cdev)
342		return;
343
344	cdev->lan_info.pf = (void *)pf;
345	cdev->lan_info.netdev = vsi->netdev;
346	cdev->lan_info.pcidev = pf->pdev;
347	cdev->lan_info.fid = pf->hw.pf_id;
348	cdev->lan_info.ftype = I40E_CLIENT_FTYPE_PF;
349	cdev->lan_info.hw_addr = pf->hw.hw_addr;
350	cdev->lan_info.ops = &i40e_lan_ops;
351	cdev->lan_info.version.major = I40E_CLIENT_VERSION_MAJOR;
352	cdev->lan_info.version.minor = I40E_CLIENT_VERSION_MINOR;
353	cdev->lan_info.version.build = I40E_CLIENT_VERSION_BUILD;
354	cdev->lan_info.fw_maj_ver = pf->hw.aq.fw_maj_ver;
355	cdev->lan_info.fw_min_ver = pf->hw.aq.fw_min_ver;
356	cdev->lan_info.fw_build = pf->hw.aq.fw_build;
357	set_bit(__I40E_CLIENT_INSTANCE_NONE, &cdev->state);
358
359	if (i40e_client_get_params(vsi, &cdev->lan_info.params))
360		goto free_cdev;
361
362	mac = list_first_entry(&cdev->lan_info.netdev->dev_addrs.list,
363			       struct netdev_hw_addr, list);
364	if (mac)
365		ether_addr_copy(cdev->lan_info.lanmac, mac->addr);
366	else
367		dev_err(&pf->pdev->dev, "MAC address list is empty!\n");
368
369	pf->cinst = cdev;
370
371	cdev->lan_info.msix_count = pf->num_iwarp_msix;
372	cdev->lan_info.msix_entries = &pf->msix_entries[pf->iwarp_base_vector];
373
374	if (i40e_register_auxiliary_dev(&cdev->lan_info, "iwarp"))
375		goto free_cdev;
376
377	return;
378
379free_cdev:
380	kfree(cdev);
381	pf->cinst = NULL;
382}
383
384/**
385 * i40e_client_del_instance - removes a client instance from the list
386 * @pf: pointer to the board struct
387 *
388 **/
389static
390void i40e_client_del_instance(struct i40e_pf *pf)
391{
392	kfree(pf->cinst);
393	pf->cinst = NULL;
394}
395
396/**
397 * i40e_client_subtask - client maintenance work
398 * @pf: board private structure
399 **/
400void i40e_client_subtask(struct i40e_pf *pf)
401{
402	struct i40e_vsi *vsi = i40e_pf_get_main_vsi(pf);
403	struct i40e_client_instance *cdev;
404	struct i40e_client *client;
 
 
405	int ret = 0;
406
407	if (!test_and_clear_bit(__I40E_CLIENT_SERVICE_REQUESTED, pf->state))
408		return;
409	cdev = pf->cinst;
410
411	/* If we're down or resetting, just bail */
412	if (test_bit(__I40E_DOWN, pf->state) ||
413	    test_bit(__I40E_CONFIG_BUSY, pf->state))
414		return;
415
416	if (!cdev || !cdev->client)
417		return;
418
419	client = cdev->client;
420
421	/* Here we handle client opens. If the client is down, and
422	 * the netdev is registered, then open the client.
423	 */
424	if (!test_bit(__I40E_CLIENT_INSTANCE_OPENED, &cdev->state)) {
425		if (vsi->netdev_registered &&
426		    client->ops && client->ops->open) {
427			set_bit(__I40E_CLIENT_INSTANCE_OPENED, &cdev->state);
428			ret = client->ops->open(&cdev->lan_info, client);
429			if (ret) {
430				/* Remove failed client instance */
431				clear_bit(__I40E_CLIENT_INSTANCE_OPENED,
432					  &cdev->state);
433				return;
434			}
435		}
436	}
437
438	/* enable/disable PE TCP_ENA flag based on netdev down/up
439	 */
440	if (test_bit(__I40E_VSI_DOWN, vsi->state))
441		i40e_client_update_vsi_ctxt(&cdev->lan_info, client,
442					    0, 0, 0,
443					    I40E_CLIENT_VSI_FLAG_TCP_ENABLE);
444	else
445		i40e_client_update_vsi_ctxt(&cdev->lan_info, client,
446					    0, 0,
447					    I40E_CLIENT_VSI_FLAG_TCP_ENABLE,
448					    I40E_CLIENT_VSI_FLAG_TCP_ENABLE);
449}
450
451/**
452 * i40e_lan_add_device - add a lan device struct to the list of lan devices
453 * @pf: pointer to the board struct
454 *
455 * Returns 0 on success or none 0 on error
456 **/
457int i40e_lan_add_device(struct i40e_pf *pf)
458{
459	struct i40e_device *ldev;
460	int ret = 0;
461
462	mutex_lock(&i40e_device_mutex);
463	list_for_each_entry(ldev, &i40e_devices, list) {
464		if (ldev->pf == pf) {
465			ret = -EEXIST;
466			goto out;
467		}
468	}
469	ldev = kzalloc(sizeof(*ldev), GFP_KERNEL);
470	if (!ldev) {
471		ret = -ENOMEM;
472		goto out;
473	}
474	ldev->pf = pf;
475	INIT_LIST_HEAD(&ldev->list);
476	list_add(&ldev->list, &i40e_devices);
477	dev_info(&pf->pdev->dev, "Added LAN device PF%d bus=0x%02x dev=0x%02x func=0x%02x\n",
478		 pf->hw.pf_id, pf->hw.bus.bus_id,
479		 pf->hw.bus.device, pf->hw.bus.func);
480
481	i40e_client_add_instance(pf);
482
483	set_bit(__I40E_CLIENT_SERVICE_REQUESTED, pf->state);
484	i40e_service_event_schedule(pf);
485
486out:
487	mutex_unlock(&i40e_device_mutex);
488	return ret;
489}
490
491/**
492 * i40e_lan_del_device - removes a lan device from the device list
493 * @pf: pointer to the board struct
494 *
495 * Returns 0 on success or non-0 on error
496 **/
497int i40e_lan_del_device(struct i40e_pf *pf)
498{
499	struct auxiliary_device *aux_dev = pf->cinst->lan_info.aux_dev;
500	struct i40e_device *ldev, *tmp;
501	int ret = -ENODEV;
502
503	auxiliary_device_delete(aux_dev);
504	auxiliary_device_uninit(aux_dev);
505
506	/* First, remove any client instance. */
507	i40e_client_del_instance(pf);
508
509	mutex_lock(&i40e_device_mutex);
510	list_for_each_entry_safe(ldev, tmp, &i40e_devices, list) {
511		if (ldev->pf == pf) {
512			dev_info(&pf->pdev->dev, "Deleted LAN device PF%d bus=0x%02x dev=0x%02x func=0x%02x\n",
513				 pf->hw.pf_id, pf->hw.bus.bus_id,
514				 pf->hw.bus.device, pf->hw.bus.func);
515			list_del(&ldev->list);
516			kfree(ldev);
517			ret = 0;
518			break;
519		}
520	}
521	mutex_unlock(&i40e_device_mutex);
522	return ret;
523}
524
525/**
526 * i40e_client_virtchnl_send - TBD
527 * @ldev: pointer to L2 context
528 * @client: Client pointer
529 * @vf_id: absolute VF identifier
530 * @msg: message buffer
531 * @len: length of message buffer
532 *
533 * Return 0 on success or < 0 on error
534 **/
535static int i40e_client_virtchnl_send(struct i40e_info *ldev,
536				     struct i40e_client *client,
537				     u32 vf_id, u8 *msg, u16 len)
538{
539	struct i40e_pf *pf = ldev->pf;
540	struct i40e_hw *hw = &pf->hw;
541	int err;
542
543	err = i40e_aq_send_msg_to_vf(hw, vf_id, VIRTCHNL_OP_RDMA,
544				     0, msg, len, NULL);
545	if (err)
546		dev_err(&pf->pdev->dev, "Unable to send iWarp message to VF, error %d, aq status %d\n",
547			err, hw->aq.asq_last_status);
548
549	return err;
550}
551
552/**
553 * i40e_client_setup_qvlist
554 * @ldev: pointer to L2 context.
555 * @client: Client pointer.
556 * @qvlist_info: queue and vector list
557 *
558 * Return 0 on success or < 0 on error
559 **/
560static int i40e_client_setup_qvlist(struct i40e_info *ldev,
561				    struct i40e_client *client,
562				    struct i40e_qvlist_info *qvlist_info)
563{
564	struct i40e_pf *pf = ldev->pf;
565	struct i40e_hw *hw = &pf->hw;
566	struct i40e_qv_info *qv_info;
567	u32 v_idx, i, reg_idx, reg;
568
569	ldev->qvlist_info = kzalloc(struct_size(ldev->qvlist_info, qv_info,
570				    qvlist_info->num_vectors), GFP_KERNEL);
571	if (!ldev->qvlist_info)
572		return -ENOMEM;
573	ldev->qvlist_info->num_vectors = qvlist_info->num_vectors;
574
575	for (i = 0; i < qvlist_info->num_vectors; i++) {
576		qv_info = &qvlist_info->qv_info[i];
 
 
577		v_idx = qv_info->v_idx;
578
579		/* Validate vector id belongs to this client */
580		if ((v_idx >= (pf->iwarp_base_vector + pf->num_iwarp_msix)) ||
581		    (v_idx < pf->iwarp_base_vector))
582			goto err;
583
584		ldev->qvlist_info->qv_info[i] = *qv_info;
585		reg_idx = I40E_PFINT_LNKLSTN(v_idx - 1);
586
587		if (qv_info->ceq_idx == I40E_QUEUE_INVALID_IDX) {
588			/* Special case - No CEQ mapped on this vector */
589			wr32(hw, reg_idx, I40E_PFINT_LNKLSTN_FIRSTQ_INDX_MASK);
590		} else {
591			reg = (qv_info->ceq_idx &
592			       I40E_PFINT_LNKLSTN_FIRSTQ_INDX_MASK) |
593			       (I40E_QUEUE_TYPE_PE_CEQ <<
594			       I40E_PFINT_LNKLSTN_FIRSTQ_TYPE_SHIFT);
595			wr32(hw, reg_idx, reg);
596
597			reg = (I40E_PFINT_CEQCTL_CAUSE_ENA_MASK |
598			       (v_idx << I40E_PFINT_CEQCTL_MSIX_INDX_SHIFT) |
599			       (qv_info->itr_idx <<
600				I40E_PFINT_CEQCTL_ITR_INDX_SHIFT) |
601			       (I40E_QUEUE_END_OF_LIST <<
602				I40E_PFINT_CEQCTL_NEXTQ_INDX_SHIFT));
603			wr32(hw, I40E_PFINT_CEQCTL(qv_info->ceq_idx), reg);
604		}
605		if (qv_info->aeq_idx != I40E_QUEUE_INVALID_IDX) {
606			reg = (I40E_PFINT_AEQCTL_CAUSE_ENA_MASK |
607			       (v_idx << I40E_PFINT_AEQCTL_MSIX_INDX_SHIFT) |
608			       (qv_info->itr_idx <<
609				I40E_PFINT_AEQCTL_ITR_INDX_SHIFT));
610
611			wr32(hw, I40E_PFINT_AEQCTL, reg);
612		}
613	}
614	/* Mitigate sync problems with iwarp VF driver */
615	i40e_flush(hw);
616	return 0;
617err:
618	kfree(ldev->qvlist_info);
619	ldev->qvlist_info = NULL;
620	return -EINVAL;
621}
622
623/**
624 * i40e_client_request_reset
625 * @ldev: pointer to L2 context.
626 * @client: Client pointer.
627 * @reset_level: reset level
628 **/
629static void i40e_client_request_reset(struct i40e_info *ldev,
630				      struct i40e_client *client,
631				      u32 reset_level)
632{
633	struct i40e_pf *pf = ldev->pf;
634
635	switch (reset_level) {
636	case I40E_CLIENT_RESET_LEVEL_PF:
637		set_bit(__I40E_PF_RESET_REQUESTED, pf->state);
638		break;
639	case I40E_CLIENT_RESET_LEVEL_CORE:
640		set_bit(__I40E_PF_RESET_REQUESTED, pf->state);
641		break;
642	default:
643		dev_warn(&pf->pdev->dev,
644			 "Client for PF id %d requested an unsupported reset: %d.\n",
645			 pf->hw.pf_id, reset_level);
646		break;
647	}
648
649	i40e_service_event_schedule(pf);
650}
651
652/**
653 * i40e_client_update_vsi_ctxt
654 * @ldev: pointer to L2 context.
655 * @client: Client pointer.
656 * @is_vf: if this for the VF
657 * @vf_id: if is_vf true this carries the vf_id
658 * @flag: Any device level setting that needs to be done for PE
659 * @valid_flag: Bits in this match up and enable changing of flag bits
660 *
661 * Return 0 on success or < 0 on error
662 **/
663static int i40e_client_update_vsi_ctxt(struct i40e_info *ldev,
664				       struct i40e_client *client,
665				       bool is_vf, u32 vf_id,
666				       u32 flag, u32 valid_flag)
667{
668	struct i40e_vsi *vsi = i40e_pf_get_main_vsi(ldev->pf);
669	struct i40e_pf *pf = ldev->pf;
 
670	struct i40e_vsi_context ctxt;
671	bool update = true;
672	int err;
673
674	/* TODO: for now do not allow setting VF's VSI setting */
675	if (is_vf)
676		return -EINVAL;
677
678	ctxt.seid = pf->main_vsi_seid;
679	ctxt.pf_num = pf->hw.pf_id;
680	err = i40e_aq_get_vsi_params(&pf->hw, &ctxt, NULL);
681	ctxt.flags = I40E_AQ_VSI_TYPE_PF;
682	if (err) {
683		dev_info(&pf->pdev->dev,
684			 "couldn't get PF vsi config, err %pe aq_err %s\n",
685			 ERR_PTR(err),
686			 i40e_aq_str(&pf->hw,
687				     pf->hw.aq.asq_last_status));
688		return -ENOENT;
689	}
690
691	if ((valid_flag & I40E_CLIENT_VSI_FLAG_TCP_ENABLE) &&
692	    (flag & I40E_CLIENT_VSI_FLAG_TCP_ENABLE)) {
693		ctxt.info.valid_sections =
694			cpu_to_le16(I40E_AQ_VSI_PROP_QUEUE_OPT_VALID);
695		ctxt.info.queueing_opt_flags |= I40E_AQ_VSI_QUE_OPT_TCP_ENA;
696	} else if ((valid_flag & I40E_CLIENT_VSI_FLAG_TCP_ENABLE) &&
697		  !(flag & I40E_CLIENT_VSI_FLAG_TCP_ENABLE)) {
698		ctxt.info.valid_sections =
699			cpu_to_le16(I40E_AQ_VSI_PROP_QUEUE_OPT_VALID);
700		ctxt.info.queueing_opt_flags &= ~I40E_AQ_VSI_QUE_OPT_TCP_ENA;
701	} else {
702		update = false;
703		dev_warn(&pf->pdev->dev,
704			 "Client for PF id %d request an unsupported Config: %x.\n",
705			 pf->hw.pf_id, flag);
706	}
707
708	if (update) {
709		err = i40e_aq_update_vsi_params(&vsi->back->hw, &ctxt, NULL);
710		if (err) {
711			dev_info(&pf->pdev->dev,
712				 "update VSI ctxt for PE failed, err %pe aq_err %s\n",
713				 ERR_PTR(err),
714				 i40e_aq_str(&pf->hw,
715					     pf->hw.aq.asq_last_status));
716		}
717	}
718	return err;
719}
720
721void i40e_client_device_register(struct i40e_info *ldev, struct i40e_client *client)
722{
723	struct i40e_pf *pf = ldev->pf;
724
725	pf->cinst->client = client;
726	set_bit(__I40E_CLIENT_SERVICE_REQUESTED, pf->state);
727	i40e_service_event_schedule(pf);
728}
729EXPORT_SYMBOL_GPL(i40e_client_device_register);
730
731void i40e_client_device_unregister(struct i40e_info *ldev)
732{
733	struct i40e_pf *pf = ldev->pf;
734	struct i40e_client_instance *cdev = pf->cinst;
735
736	if (!cdev)
737		return;
738
739	while (test_and_set_bit(__I40E_SERVICE_SCHED, pf->state))
740		usleep_range(500, 1000);
741
742	if (test_bit(__I40E_CLIENT_INSTANCE_OPENED, &cdev->state)) {
743		cdev->client->ops->close(&cdev->lan_info, cdev->client, false);
744		clear_bit(__I40E_CLIENT_INSTANCE_OPENED, &cdev->state);
745		i40e_client_release_qvlist(&cdev->lan_info);
746	}
747
748	pf->cinst->client = NULL;
749	clear_bit(__I40E_SERVICE_SCHED, pf->state);
750}
751EXPORT_SYMBOL_GPL(i40e_client_device_unregister);