1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2001-2020 Intel Corporation
5 #include "ice_common.h"
7 #include "ice_adminq_cmd.h"
10 #include "ice_switch.h"
12 #define ICE_PF_RESET_WAIT_COUNT 300
15 * ice_set_mac_type - Sets MAC type
16 * @hw: pointer to the HW structure
18 * This function sets the MAC type of the adapter based on the
19 * vendor ID and device ID stored in the HW structure.
21 static enum ice_status ice_set_mac_type(struct ice_hw *hw)
23 ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__);
25 if (hw->vendor_id != ICE_INTEL_VENDOR_ID)
26 return ICE_ERR_DEVICE_NOT_SUPPORTED;
28 switch (hw->device_id) {
29 case ICE_DEV_ID_E810C_BACKPLANE:
30 case ICE_DEV_ID_E810C_QSFP:
31 case ICE_DEV_ID_E810C_SFP:
32 case ICE_DEV_ID_E810_XXV_BACKPLANE:
33 case ICE_DEV_ID_E810_XXV_QSFP:
34 case ICE_DEV_ID_E810_XXV_SFP:
35 hw->mac_type = ICE_MAC_E810;
37 case ICE_DEV_ID_E822C_10G_BASE_T:
38 case ICE_DEV_ID_E822C_BACKPLANE:
39 case ICE_DEV_ID_E822C_QSFP:
40 case ICE_DEV_ID_E822C_SFP:
41 case ICE_DEV_ID_E822C_SGMII:
42 case ICE_DEV_ID_E822L_10G_BASE_T:
43 case ICE_DEV_ID_E822L_BACKPLANE:
44 case ICE_DEV_ID_E822L_SFP:
45 case ICE_DEV_ID_E822L_SGMII:
46 hw->mac_type = ICE_MAC_GENERIC;
49 hw->mac_type = ICE_MAC_UNKNOWN;
53 ice_debug(hw, ICE_DBG_INIT, "mac_type: %d\n", hw->mac_type);
58 * ice_clear_pf_cfg - Clear PF configuration
59 * @hw: pointer to the hardware structure
61 * Clears any existing PF configuration (VSIs, VSI lists, switch rules, port
62 * configuration, flow director filters, etc.).
64 enum ice_status ice_clear_pf_cfg(struct ice_hw *hw)
66 struct ice_aq_desc desc;
68 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_clear_pf_cfg);
70 return ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
74 * ice_aq_manage_mac_read - manage MAC address read command
75 * @hw: pointer to the HW struct
76 * @buf: a virtual buffer to hold the manage MAC read response
77 * @buf_size: Size of the virtual buffer
78 * @cd: pointer to command details structure or NULL
80 * This function is used to return per PF station MAC address (0x0107).
81 * NOTE: Upon successful completion of this command, MAC address information
82 * is returned in user specified buffer. Please interpret user specified
83 * buffer as "manage_mac_read" response.
84 * Response such as various MAC addresses are stored in HW struct (port.mac)
85 * ice_aq_discover_caps is expected to be called before this function is called.
87 static enum ice_status
88 ice_aq_manage_mac_read(struct ice_hw *hw, void *buf, u16 buf_size,
91 struct ice_aqc_manage_mac_read_resp *resp;
92 struct ice_aqc_manage_mac_read *cmd;
93 struct ice_aq_desc desc;
94 enum ice_status status;
98 cmd = &desc.params.mac_read;
100 if (buf_size < sizeof(*resp))
101 return ICE_ERR_BUF_TOO_SHORT;
103 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_manage_mac_read);
105 status = ice_aq_send_cmd(hw, &desc, buf, buf_size, cd);
109 resp = (struct ice_aqc_manage_mac_read_resp *)buf;
110 flags = LE16_TO_CPU(cmd->flags) & ICE_AQC_MAN_MAC_READ_M;
112 if (!(flags & ICE_AQC_MAN_MAC_LAN_ADDR_VALID)) {
113 ice_debug(hw, ICE_DBG_LAN, "got invalid MAC address\n");
117 /* A single port can report up to two (LAN and WoL) addresses */
118 for (i = 0; i < cmd->num_addr; i++)
119 if (resp[i].addr_type == ICE_AQC_MAN_MAC_ADDR_TYPE_LAN) {
120 ice_memcpy(hw->port_info->mac.lan_addr,
121 resp[i].mac_addr, ETH_ALEN,
123 ice_memcpy(hw->port_info->mac.perm_addr,
125 ETH_ALEN, ICE_DMA_TO_NONDMA);
132 * ice_aq_get_phy_caps - returns PHY capabilities
133 * @pi: port information structure
134 * @qual_mods: report qualified modules
135 * @report_mode: report mode capabilities
136 * @pcaps: structure for PHY capabilities to be filled
137 * @cd: pointer to command details structure or NULL
139 * Returns the various PHY capabilities supported on the Port (0x0600)
142 ice_aq_get_phy_caps(struct ice_port_info *pi, bool qual_mods, u8 report_mode,
143 struct ice_aqc_get_phy_caps_data *pcaps,
144 struct ice_sq_cd *cd)
146 struct ice_aqc_get_phy_caps *cmd;
147 u16 pcaps_size = sizeof(*pcaps);
148 struct ice_aq_desc desc;
149 enum ice_status status;
151 cmd = &desc.params.get_phy;
153 if (!pcaps || (report_mode & ~ICE_AQC_REPORT_MODE_M) || !pi)
154 return ICE_ERR_PARAM;
156 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_phy_caps);
159 cmd->param0 |= CPU_TO_LE16(ICE_AQC_GET_PHY_RQM);
161 cmd->param0 |= CPU_TO_LE16(report_mode);
162 status = ice_aq_send_cmd(pi->hw, &desc, pcaps, pcaps_size, cd);
164 if (status == ICE_SUCCESS && report_mode == ICE_AQC_REPORT_TOPO_CAP) {
165 pi->phy.phy_type_low = LE64_TO_CPU(pcaps->phy_type_low);
166 pi->phy.phy_type_high = LE64_TO_CPU(pcaps->phy_type_high);
173 * ice_aq_get_link_topo_handle - get link topology node return status
174 * @pi: port information structure
175 * @node_type: requested node type
176 * @cd: pointer to command details structure or NULL
178 * Get link topology node return status for specified node type (0x06E0)
180 * Node type cage can be used to determine if cage is present. If AQC
181 * returns error (ENOENT), then no cage present. If no cage present, then
182 * connection type is backplane or BASE-T.
184 static enum ice_status
185 ice_aq_get_link_topo_handle(struct ice_port_info *pi, u8 node_type,
186 struct ice_sq_cd *cd)
188 struct ice_aqc_get_link_topo *cmd;
189 struct ice_aq_desc desc;
191 cmd = &desc.params.get_link_topo;
193 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_link_topo);
195 cmd->addr.node_type_ctx = (ICE_AQC_LINK_TOPO_NODE_CTX_PORT <<
196 ICE_AQC_LINK_TOPO_NODE_CTX_S);
199 cmd->addr.node_type_ctx |= (ICE_AQC_LINK_TOPO_NODE_TYPE_M & node_type);
201 return ice_aq_send_cmd(pi->hw, &desc, NULL, 0, cd);
205 * ice_is_media_cage_present
206 * @pi: port information structure
208 * Returns true if media cage is present, else false. If no cage, then
209 * media type is backplane or BASE-T.
211 static bool ice_is_media_cage_present(struct ice_port_info *pi)
213 /* Node type cage can be used to determine if cage is present. If AQC
214 * returns error (ENOENT), then no cage present. If no cage present then
215 * connection type is backplane or BASE-T.
217 return !ice_aq_get_link_topo_handle(pi,
218 ICE_AQC_LINK_TOPO_NODE_TYPE_CAGE,
223 * ice_get_media_type - Gets media type
224 * @pi: port information structure
226 static enum ice_media_type ice_get_media_type(struct ice_port_info *pi)
228 struct ice_link_status *hw_link_info;
231 return ICE_MEDIA_UNKNOWN;
233 hw_link_info = &pi->phy.link_info;
234 if (hw_link_info->phy_type_low && hw_link_info->phy_type_high)
235 /* If more than one media type is selected, report unknown */
236 return ICE_MEDIA_UNKNOWN;
238 if (hw_link_info->phy_type_low) {
239 switch (hw_link_info->phy_type_low) {
240 case ICE_PHY_TYPE_LOW_1000BASE_SX:
241 case ICE_PHY_TYPE_LOW_1000BASE_LX:
242 case ICE_PHY_TYPE_LOW_10GBASE_SR:
243 case ICE_PHY_TYPE_LOW_10GBASE_LR:
244 case ICE_PHY_TYPE_LOW_10G_SFI_C2C:
245 case ICE_PHY_TYPE_LOW_25GBASE_SR:
246 case ICE_PHY_TYPE_LOW_25GBASE_LR:
247 case ICE_PHY_TYPE_LOW_40GBASE_SR4:
248 case ICE_PHY_TYPE_LOW_40GBASE_LR4:
249 case ICE_PHY_TYPE_LOW_50GBASE_SR2:
250 case ICE_PHY_TYPE_LOW_50GBASE_LR2:
251 case ICE_PHY_TYPE_LOW_50GBASE_SR:
252 case ICE_PHY_TYPE_LOW_50GBASE_FR:
253 case ICE_PHY_TYPE_LOW_50GBASE_LR:
254 case ICE_PHY_TYPE_LOW_100GBASE_SR4:
255 case ICE_PHY_TYPE_LOW_100GBASE_LR4:
256 case ICE_PHY_TYPE_LOW_100GBASE_SR2:
257 case ICE_PHY_TYPE_LOW_100GBASE_DR:
258 return ICE_MEDIA_FIBER;
259 case ICE_PHY_TYPE_LOW_100BASE_TX:
260 case ICE_PHY_TYPE_LOW_1000BASE_T:
261 case ICE_PHY_TYPE_LOW_2500BASE_T:
262 case ICE_PHY_TYPE_LOW_5GBASE_T:
263 case ICE_PHY_TYPE_LOW_10GBASE_T:
264 case ICE_PHY_TYPE_LOW_25GBASE_T:
265 return ICE_MEDIA_BASET;
266 case ICE_PHY_TYPE_LOW_10G_SFI_DA:
267 case ICE_PHY_TYPE_LOW_25GBASE_CR:
268 case ICE_PHY_TYPE_LOW_25GBASE_CR_S:
269 case ICE_PHY_TYPE_LOW_25GBASE_CR1:
270 case ICE_PHY_TYPE_LOW_40GBASE_CR4:
271 case ICE_PHY_TYPE_LOW_50GBASE_CR2:
272 case ICE_PHY_TYPE_LOW_50GBASE_CP:
273 case ICE_PHY_TYPE_LOW_100GBASE_CR4:
274 case ICE_PHY_TYPE_LOW_100GBASE_CR_PAM4:
275 case ICE_PHY_TYPE_LOW_100GBASE_CP2:
277 case ICE_PHY_TYPE_LOW_25G_AUI_C2C:
278 case ICE_PHY_TYPE_LOW_40G_XLAUI:
279 case ICE_PHY_TYPE_LOW_50G_LAUI2:
280 case ICE_PHY_TYPE_LOW_50G_AUI2:
281 case ICE_PHY_TYPE_LOW_50G_AUI1:
282 case ICE_PHY_TYPE_LOW_100G_AUI4:
283 case ICE_PHY_TYPE_LOW_100G_CAUI4:
284 if (ice_is_media_cage_present(pi))
287 case ICE_PHY_TYPE_LOW_1000BASE_KX:
288 case ICE_PHY_TYPE_LOW_2500BASE_KX:
289 case ICE_PHY_TYPE_LOW_2500BASE_X:
290 case ICE_PHY_TYPE_LOW_5GBASE_KR:
291 case ICE_PHY_TYPE_LOW_10GBASE_KR_CR1:
292 case ICE_PHY_TYPE_LOW_25GBASE_KR:
293 case ICE_PHY_TYPE_LOW_25GBASE_KR1:
294 case ICE_PHY_TYPE_LOW_25GBASE_KR_S:
295 case ICE_PHY_TYPE_LOW_40GBASE_KR4:
296 case ICE_PHY_TYPE_LOW_50GBASE_KR_PAM4:
297 case ICE_PHY_TYPE_LOW_50GBASE_KR2:
298 case ICE_PHY_TYPE_LOW_100GBASE_KR4:
299 case ICE_PHY_TYPE_LOW_100GBASE_KR_PAM4:
300 return ICE_MEDIA_BACKPLANE;
303 switch (hw_link_info->phy_type_high) {
304 case ICE_PHY_TYPE_HIGH_100G_AUI2:
305 if (ice_is_media_cage_present(pi))
308 case ICE_PHY_TYPE_HIGH_100GBASE_KR2_PAM4:
309 return ICE_MEDIA_BACKPLANE;
312 return ICE_MEDIA_UNKNOWN;
316 * ice_aq_get_link_info
317 * @pi: port information structure
318 * @ena_lse: enable/disable LinkStatusEvent reporting
319 * @link: pointer to link status structure - optional
320 * @cd: pointer to command details structure or NULL
322 * Get Link Status (0x607). Returns the link status of the adapter.
325 ice_aq_get_link_info(struct ice_port_info *pi, bool ena_lse,
326 struct ice_link_status *link, struct ice_sq_cd *cd)
328 struct ice_aqc_get_link_status_data link_data = { 0 };
329 struct ice_aqc_get_link_status *resp;
330 struct ice_link_status *li_old, *li;
331 enum ice_media_type *hw_media_type;
332 struct ice_fc_info *hw_fc_info;
333 bool tx_pause, rx_pause;
334 struct ice_aq_desc desc;
335 enum ice_status status;
340 return ICE_ERR_PARAM;
342 li_old = &pi->phy.link_info_old;
343 hw_media_type = &pi->phy.media_type;
344 li = &pi->phy.link_info;
345 hw_fc_info = &pi->fc;
347 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_link_status);
348 cmd_flags = (ena_lse) ? ICE_AQ_LSE_ENA : ICE_AQ_LSE_DIS;
349 resp = &desc.params.get_link_status;
350 resp->cmd_flags = CPU_TO_LE16(cmd_flags);
351 resp->lport_num = pi->lport;
353 status = ice_aq_send_cmd(hw, &desc, &link_data, sizeof(link_data), cd);
355 if (status != ICE_SUCCESS)
358 /* save off old link status information */
361 /* update current link status information */
362 li->link_speed = LE16_TO_CPU(link_data.link_speed);
363 li->phy_type_low = LE64_TO_CPU(link_data.phy_type_low);
364 li->phy_type_high = LE64_TO_CPU(link_data.phy_type_high);
365 *hw_media_type = ice_get_media_type(pi);
366 li->link_info = link_data.link_info;
367 li->an_info = link_data.an_info;
368 li->ext_info = link_data.ext_info;
369 li->max_frame_size = LE16_TO_CPU(link_data.max_frame_size);
370 li->fec_info = link_data.cfg & ICE_AQ_FEC_MASK;
371 li->topo_media_conflict = link_data.topo_media_conflict;
372 li->pacing = link_data.cfg & (ICE_AQ_CFG_PACING_M |
373 ICE_AQ_CFG_PACING_TYPE_M);
376 tx_pause = !!(link_data.an_info & ICE_AQ_LINK_PAUSE_TX);
377 rx_pause = !!(link_data.an_info & ICE_AQ_LINK_PAUSE_RX);
378 if (tx_pause && rx_pause)
379 hw_fc_info->current_mode = ICE_FC_FULL;
381 hw_fc_info->current_mode = ICE_FC_TX_PAUSE;
383 hw_fc_info->current_mode = ICE_FC_RX_PAUSE;
385 hw_fc_info->current_mode = ICE_FC_NONE;
387 li->lse_ena = !!(resp->cmd_flags & CPU_TO_LE16(ICE_AQ_LSE_IS_ENABLED));
389 ice_debug(hw, ICE_DBG_LINK, "link_speed = 0x%x\n", li->link_speed);
390 ice_debug(hw, ICE_DBG_LINK, "phy_type_low = 0x%llx\n",
391 (unsigned long long)li->phy_type_low);
392 ice_debug(hw, ICE_DBG_LINK, "phy_type_high = 0x%llx\n",
393 (unsigned long long)li->phy_type_high);
394 ice_debug(hw, ICE_DBG_LINK, "media_type = 0x%x\n", *hw_media_type);
395 ice_debug(hw, ICE_DBG_LINK, "link_info = 0x%x\n", li->link_info);
396 ice_debug(hw, ICE_DBG_LINK, "an_info = 0x%x\n", li->an_info);
397 ice_debug(hw, ICE_DBG_LINK, "ext_info = 0x%x\n", li->ext_info);
398 ice_debug(hw, ICE_DBG_LINK, "lse_ena = 0x%x\n", li->lse_ena);
399 ice_debug(hw, ICE_DBG_LINK, "max_frame = 0x%x\n", li->max_frame_size);
400 ice_debug(hw, ICE_DBG_LINK, "pacing = 0x%x\n", li->pacing);
402 /* save link status information */
406 /* flag cleared so calling functions don't call AQ again */
407 pi->phy.get_link_info = false;
414 * @hw: pointer to the HW struct
415 * @max_frame_size: Maximum Frame Size to be supported
416 * @cd: pointer to command details structure or NULL
418 * Set MAC configuration (0x0603)
421 ice_aq_set_mac_cfg(struct ice_hw *hw, u16 max_frame_size, struct ice_sq_cd *cd)
423 u16 fc_threshold_val, tx_timer_val;
424 struct ice_aqc_set_mac_cfg *cmd;
425 struct ice_aq_desc desc;
428 cmd = &desc.params.set_mac_cfg;
430 if (max_frame_size == 0)
431 return ICE_ERR_PARAM;
433 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_mac_cfg);
435 cmd->max_frame_size = CPU_TO_LE16(max_frame_size);
437 /* We read back the transmit timer and fc threshold value of
438 * LFC. Thus, we will use index =
439 * PRTMAC_HSEC_CTL_TX_PAUSE_QUANTA_MAX_INDEX.
441 * Also, because we are opearating on transmit timer and fc
442 * threshold of LFC, we don't turn on any bit in tx_tmr_priority
444 #define IDX_OF_LFC PRTMAC_HSEC_CTL_TX_PAUSE_QUANTA_MAX_INDEX
446 /* Retrieve the transmit timer */
448 PRTMAC_HSEC_CTL_TX_PAUSE_QUANTA(IDX_OF_LFC));
449 tx_timer_val = reg_val &
450 PRTMAC_HSEC_CTL_TX_PAUSE_QUANTA_HSEC_CTL_TX_PAUSE_QUANTA_M;
451 cmd->tx_tmr_value = CPU_TO_LE16(tx_timer_val);
453 /* Retrieve the fc threshold */
455 PRTMAC_HSEC_CTL_TX_PAUSE_REFRESH_TIMER(IDX_OF_LFC));
456 fc_threshold_val = reg_val & MAKEMASK(0xFFFF, 0);
457 cmd->fc_refresh_threshold = CPU_TO_LE16(fc_threshold_val);
459 return ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
463 * ice_init_fltr_mgmt_struct - initializes filter management list and locks
464 * @hw: pointer to the HW struct
466 enum ice_status ice_init_fltr_mgmt_struct(struct ice_hw *hw)
468 struct ice_switch_info *sw;
470 hw->switch_info = (struct ice_switch_info *)
471 ice_malloc(hw, sizeof(*hw->switch_info));
473 sw = hw->switch_info;
476 return ICE_ERR_NO_MEMORY;
478 INIT_LIST_HEAD(&sw->vsi_list_map_head);
480 return ice_init_def_sw_recp(hw, &hw->switch_info->recp_list);
484 * ice_cleanup_fltr_mgmt_struct - cleanup filter management list and locks
485 * @hw: pointer to the HW struct
487 void ice_cleanup_fltr_mgmt_struct(struct ice_hw *hw)
489 struct ice_switch_info *sw = hw->switch_info;
490 struct ice_vsi_list_map_info *v_pos_map;
491 struct ice_vsi_list_map_info *v_tmp_map;
492 struct ice_sw_recipe *recps;
495 LIST_FOR_EACH_ENTRY_SAFE(v_pos_map, v_tmp_map, &sw->vsi_list_map_head,
496 ice_vsi_list_map_info, list_entry) {
497 LIST_DEL(&v_pos_map->list_entry);
498 ice_free(hw, v_pos_map);
500 recps = hw->switch_info->recp_list;
501 for (i = 0; i < ICE_MAX_NUM_RECIPES; i++) {
502 struct ice_recp_grp_entry *rg_entry, *tmprg_entry;
504 recps[i].root_rid = i;
505 LIST_FOR_EACH_ENTRY_SAFE(rg_entry, tmprg_entry,
506 &recps[i].rg_list, ice_recp_grp_entry,
508 LIST_DEL(&rg_entry->l_entry);
509 ice_free(hw, rg_entry);
512 if (recps[i].adv_rule) {
513 struct ice_adv_fltr_mgmt_list_entry *tmp_entry;
514 struct ice_adv_fltr_mgmt_list_entry *lst_itr;
516 ice_destroy_lock(&recps[i].filt_rule_lock);
517 LIST_FOR_EACH_ENTRY_SAFE(lst_itr, tmp_entry,
518 &recps[i].filt_rules,
519 ice_adv_fltr_mgmt_list_entry,
521 LIST_DEL(&lst_itr->list_entry);
522 ice_free(hw, lst_itr->lkups);
523 ice_free(hw, lst_itr);
526 struct ice_fltr_mgmt_list_entry *lst_itr, *tmp_entry;
528 ice_destroy_lock(&recps[i].filt_rule_lock);
529 LIST_FOR_EACH_ENTRY_SAFE(lst_itr, tmp_entry,
530 &recps[i].filt_rules,
531 ice_fltr_mgmt_list_entry,
533 LIST_DEL(&lst_itr->list_entry);
534 ice_free(hw, lst_itr);
537 if (recps[i].root_buf)
538 ice_free(hw, recps[i].root_buf);
540 ice_rm_all_sw_replay_rule_info(hw);
541 ice_free(hw, sw->recp_list);
546 * ice_get_itr_intrl_gran
547 * @hw: pointer to the HW struct
549 * Determines the ITR/INTRL granularities based on the maximum aggregate
550 * bandwidth according to the device's configuration during power-on.
552 static void ice_get_itr_intrl_gran(struct ice_hw *hw)
554 u8 max_agg_bw = (rd32(hw, GL_PWR_MODE_CTL) &
555 GL_PWR_MODE_CTL_CAR_MAX_BW_M) >>
556 GL_PWR_MODE_CTL_CAR_MAX_BW_S;
558 switch (max_agg_bw) {
559 case ICE_MAX_AGG_BW_200G:
560 case ICE_MAX_AGG_BW_100G:
561 case ICE_MAX_AGG_BW_50G:
562 hw->itr_gran = ICE_ITR_GRAN_ABOVE_25;
563 hw->intrl_gran = ICE_INTRL_GRAN_ABOVE_25;
565 case ICE_MAX_AGG_BW_25G:
566 hw->itr_gran = ICE_ITR_GRAN_MAX_25;
567 hw->intrl_gran = ICE_INTRL_GRAN_MAX_25;
573 * ice_print_rollback_msg - print FW rollback message
574 * @hw: pointer to the hardware structure
576 void ice_print_rollback_msg(struct ice_hw *hw)
578 char nvm_str[ICE_NVM_VER_LEN] = { 0 };
579 struct ice_nvm_info *nvm = &hw->nvm;
580 struct ice_orom_info *orom;
584 SNPRINTF(nvm_str, sizeof(nvm_str), "%x.%02x 0x%x %d.%d.%d",
585 nvm->major_ver, nvm->minor_ver, nvm->eetrack, orom->major,
586 orom->build, orom->patch);
588 "Firmware rollback mode detected. Current version is NVM: %s, FW: %d.%d. Device may exhibit limited functionality. Refer to the Intel(R) Ethernet Adapters and Devices User Guide for details on firmware rollback mode\n",
589 nvm_str, hw->fw_maj_ver, hw->fw_min_ver);
593 * ice_init_hw - main hardware initialization routine
594 * @hw: pointer to the hardware structure
596 enum ice_status ice_init_hw(struct ice_hw *hw)
598 struct ice_aqc_get_phy_caps_data *pcaps;
599 enum ice_status status;
603 ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__);
605 /* Set MAC type based on DeviceID */
606 status = ice_set_mac_type(hw);
610 hw->pf_id = (u8)(rd32(hw, PF_FUNC_RID) &
611 PF_FUNC_RID_FUNCTION_NUMBER_M) >>
612 PF_FUNC_RID_FUNCTION_NUMBER_S;
614 status = ice_reset(hw, ICE_RESET_PFR);
618 ice_get_itr_intrl_gran(hw);
620 status = ice_create_all_ctrlq(hw);
622 goto err_unroll_cqinit;
624 status = ice_init_nvm(hw);
626 goto err_unroll_cqinit;
628 if (ice_get_fw_mode(hw) == ICE_FW_MODE_ROLLBACK)
629 ice_print_rollback_msg(hw);
631 status = ice_clear_pf_cfg(hw);
633 goto err_unroll_cqinit;
635 /* Set bit to enable Flow Director filters */
636 wr32(hw, PFQF_FD_ENA, PFQF_FD_ENA_FD_ENA_M);
637 INIT_LIST_HEAD(&hw->fdir_list_head);
639 ice_clear_pxe_mode(hw);
641 status = ice_get_caps(hw);
643 goto err_unroll_cqinit;
645 hw->port_info = (struct ice_port_info *)
646 ice_malloc(hw, sizeof(*hw->port_info));
647 if (!hw->port_info) {
648 status = ICE_ERR_NO_MEMORY;
649 goto err_unroll_cqinit;
652 /* set the back pointer to HW */
653 hw->port_info->hw = hw;
655 /* Initialize port_info struct with switch configuration data */
656 status = ice_get_initial_sw_cfg(hw);
658 goto err_unroll_alloc;
661 /* Query the allocated resources for Tx scheduler */
662 status = ice_sched_query_res_alloc(hw);
664 ice_debug(hw, ICE_DBG_SCHED,
665 "Failed to get scheduler allocated resources\n");
666 goto err_unroll_alloc;
668 ice_sched_get_psm_clk_freq(hw);
670 /* Initialize port_info struct with scheduler data */
671 status = ice_sched_init_port(hw->port_info);
673 goto err_unroll_sched;
675 pcaps = (struct ice_aqc_get_phy_caps_data *)
676 ice_malloc(hw, sizeof(*pcaps));
678 status = ICE_ERR_NO_MEMORY;
679 goto err_unroll_sched;
682 /* Initialize port_info struct with PHY capabilities */
683 status = ice_aq_get_phy_caps(hw->port_info, false,
684 ICE_AQC_REPORT_TOPO_CAP, pcaps, NULL);
687 goto err_unroll_sched;
689 /* Initialize port_info struct with link information */
690 status = ice_aq_get_link_info(hw->port_info, false, NULL, NULL);
692 goto err_unroll_sched;
693 /* need a valid SW entry point to build a Tx tree */
694 if (!hw->sw_entry_point_layer) {
695 ice_debug(hw, ICE_DBG_SCHED, "invalid sw entry point\n");
696 status = ICE_ERR_CFG;
697 goto err_unroll_sched;
699 INIT_LIST_HEAD(&hw->agg_list);
700 /* Initialize max burst size */
701 if (!hw->max_burst_size)
702 ice_cfg_rl_burst_size(hw, ICE_SCHED_DFLT_BURST_SIZE);
704 status = ice_init_fltr_mgmt_struct(hw);
706 goto err_unroll_sched;
708 /* Get MAC information */
709 /* A single port can report up to two (LAN and WoL) addresses */
710 mac_buf = ice_calloc(hw, 2,
711 sizeof(struct ice_aqc_manage_mac_read_resp));
712 mac_buf_len = 2 * sizeof(struct ice_aqc_manage_mac_read_resp);
715 status = ICE_ERR_NO_MEMORY;
716 goto err_unroll_fltr_mgmt_struct;
719 status = ice_aq_manage_mac_read(hw, mac_buf, mac_buf_len, NULL);
720 ice_free(hw, mac_buf);
723 goto err_unroll_fltr_mgmt_struct;
724 /* Obtain counter base index which would be used by flow director */
725 status = ice_alloc_fd_res_cntr(hw, &hw->fd_ctr_base);
727 goto err_unroll_fltr_mgmt_struct;
728 status = ice_init_hw_tbls(hw);
730 goto err_unroll_fltr_mgmt_struct;
731 ice_init_lock(&hw->tnl_lock);
734 err_unroll_fltr_mgmt_struct:
735 ice_cleanup_fltr_mgmt_struct(hw);
737 ice_sched_cleanup_all(hw);
739 ice_free(hw, hw->port_info);
740 hw->port_info = NULL;
742 ice_destroy_all_ctrlq(hw);
747 * ice_deinit_hw - unroll initialization operations done by ice_init_hw
748 * @hw: pointer to the hardware structure
750 * This should be called only during nominal operation, not as a result of
751 * ice_init_hw() failing since ice_init_hw() will take care of unrolling
752 * applicable initializations if it fails for any reason.
754 void ice_deinit_hw(struct ice_hw *hw)
756 ice_free_fd_res_cntr(hw, hw->fd_ctr_base);
757 ice_cleanup_fltr_mgmt_struct(hw);
759 ice_sched_cleanup_all(hw);
760 ice_sched_clear_agg(hw);
762 ice_free_hw_tbls(hw);
763 ice_destroy_lock(&hw->tnl_lock);
766 ice_free(hw, hw->port_info);
767 hw->port_info = NULL;
770 ice_destroy_all_ctrlq(hw);
772 /* Clear VSI contexts if not already cleared */
773 ice_clear_all_vsi_ctx(hw);
777 * ice_check_reset - Check to see if a global reset is complete
778 * @hw: pointer to the hardware structure
780 enum ice_status ice_check_reset(struct ice_hw *hw)
782 u32 cnt, reg = 0, grst_delay, uld_mask;
784 /* Poll for Device Active state in case a recent CORER, GLOBR,
785 * or EMPR has occurred. The grst delay value is in 100ms units.
786 * Add 1sec for outstanding AQ commands that can take a long time.
788 grst_delay = ((rd32(hw, GLGEN_RSTCTL) & GLGEN_RSTCTL_GRSTDEL_M) >>
789 GLGEN_RSTCTL_GRSTDEL_S) + 10;
791 for (cnt = 0; cnt < grst_delay; cnt++) {
792 ice_msec_delay(100, true);
793 reg = rd32(hw, GLGEN_RSTAT);
794 if (!(reg & GLGEN_RSTAT_DEVSTATE_M))
798 if (cnt == grst_delay) {
799 ice_debug(hw, ICE_DBG_INIT,
800 "Global reset polling failed to complete.\n");
801 return ICE_ERR_RESET_FAILED;
804 #define ICE_RESET_DONE_MASK (GLNVM_ULD_PCIER_DONE_M |\
805 GLNVM_ULD_PCIER_DONE_1_M |\
806 GLNVM_ULD_CORER_DONE_M |\
807 GLNVM_ULD_GLOBR_DONE_M |\
808 GLNVM_ULD_POR_DONE_M |\
809 GLNVM_ULD_POR_DONE_1_M |\
810 GLNVM_ULD_PCIER_DONE_2_M)
812 uld_mask = ICE_RESET_DONE_MASK;
814 /* Device is Active; check Global Reset processes are done */
815 for (cnt = 0; cnt < ICE_PF_RESET_WAIT_COUNT; cnt++) {
816 reg = rd32(hw, GLNVM_ULD) & uld_mask;
817 if (reg == uld_mask) {
818 ice_debug(hw, ICE_DBG_INIT,
819 "Global reset processes done. %d\n", cnt);
822 ice_msec_delay(10, true);
825 if (cnt == ICE_PF_RESET_WAIT_COUNT) {
826 ice_debug(hw, ICE_DBG_INIT,
827 "Wait for Reset Done timed out. GLNVM_ULD = 0x%x\n",
829 return ICE_ERR_RESET_FAILED;
836 * ice_pf_reset - Reset the PF
837 * @hw: pointer to the hardware structure
839 * If a global reset has been triggered, this function checks
840 * for its completion and then issues the PF reset
842 static enum ice_status ice_pf_reset(struct ice_hw *hw)
846 /* If at function entry a global reset was already in progress, i.e.
847 * state is not 'device active' or any of the reset done bits are not
848 * set in GLNVM_ULD, there is no need for a PF Reset; poll until the
849 * global reset is done.
851 if ((rd32(hw, GLGEN_RSTAT) & GLGEN_RSTAT_DEVSTATE_M) ||
852 (rd32(hw, GLNVM_ULD) & ICE_RESET_DONE_MASK) ^ ICE_RESET_DONE_MASK) {
853 /* poll on global reset currently in progress until done */
854 if (ice_check_reset(hw))
855 return ICE_ERR_RESET_FAILED;
861 reg = rd32(hw, PFGEN_CTRL);
863 wr32(hw, PFGEN_CTRL, (reg | PFGEN_CTRL_PFSWR_M));
865 for (cnt = 0; cnt < ICE_PF_RESET_WAIT_COUNT; cnt++) {
866 reg = rd32(hw, PFGEN_CTRL);
867 if (!(reg & PFGEN_CTRL_PFSWR_M))
870 ice_msec_delay(1, true);
873 if (cnt == ICE_PF_RESET_WAIT_COUNT) {
874 ice_debug(hw, ICE_DBG_INIT,
875 "PF reset polling failed to complete.\n");
876 return ICE_ERR_RESET_FAILED;
883 * ice_reset - Perform different types of reset
884 * @hw: pointer to the hardware structure
885 * @req: reset request
887 * This function triggers a reset as specified by the req parameter.
890 * If anything other than a PF reset is triggered, PXE mode is restored.
891 * This has to be cleared using ice_clear_pxe_mode again, once the AQ
892 * interface has been restored in the rebuild flow.
894 enum ice_status ice_reset(struct ice_hw *hw, enum ice_reset_req req)
900 return ice_pf_reset(hw);
901 case ICE_RESET_CORER:
902 ice_debug(hw, ICE_DBG_INIT, "CoreR requested\n");
903 val = GLGEN_RTRIG_CORER_M;
905 case ICE_RESET_GLOBR:
906 ice_debug(hw, ICE_DBG_INIT, "GlobalR requested\n");
907 val = GLGEN_RTRIG_GLOBR_M;
910 return ICE_ERR_PARAM;
913 val |= rd32(hw, GLGEN_RTRIG);
914 wr32(hw, GLGEN_RTRIG, val);
917 /* wait for the FW to be ready */
918 return ice_check_reset(hw);
922 * ice_copy_rxq_ctx_to_hw
923 * @hw: pointer to the hardware structure
924 * @ice_rxq_ctx: pointer to the rxq context
925 * @rxq_index: the index of the Rx queue
927 * Copies rxq context from dense structure to HW register space
929 static enum ice_status
930 ice_copy_rxq_ctx_to_hw(struct ice_hw *hw, u8 *ice_rxq_ctx, u32 rxq_index)
935 return ICE_ERR_BAD_PTR;
937 if (rxq_index > QRX_CTRL_MAX_INDEX)
938 return ICE_ERR_PARAM;
940 /* Copy each dword separately to HW */
941 for (i = 0; i < ICE_RXQ_CTX_SIZE_DWORDS; i++) {
942 wr32(hw, QRX_CONTEXT(i, rxq_index),
943 *((u32 *)(ice_rxq_ctx + (i * sizeof(u32)))));
945 ice_debug(hw, ICE_DBG_QCTX, "qrxdata[%d]: %08X\n", i,
946 *((u32 *)(ice_rxq_ctx + (i * sizeof(u32)))));
952 /* LAN Rx Queue Context */
953 static const struct ice_ctx_ele ice_rlan_ctx_info[] = {
954 /* Field Width LSB */
955 ICE_CTX_STORE(ice_rlan_ctx, head, 13, 0),
956 ICE_CTX_STORE(ice_rlan_ctx, cpuid, 8, 13),
957 ICE_CTX_STORE(ice_rlan_ctx, base, 57, 32),
958 ICE_CTX_STORE(ice_rlan_ctx, qlen, 13, 89),
959 ICE_CTX_STORE(ice_rlan_ctx, dbuf, 7, 102),
960 ICE_CTX_STORE(ice_rlan_ctx, hbuf, 5, 109),
961 ICE_CTX_STORE(ice_rlan_ctx, dtype, 2, 114),
962 ICE_CTX_STORE(ice_rlan_ctx, dsize, 1, 116),
963 ICE_CTX_STORE(ice_rlan_ctx, crcstrip, 1, 117),
964 ICE_CTX_STORE(ice_rlan_ctx, l2tsel, 1, 119),
965 ICE_CTX_STORE(ice_rlan_ctx, hsplit_0, 4, 120),
966 ICE_CTX_STORE(ice_rlan_ctx, hsplit_1, 2, 124),
967 ICE_CTX_STORE(ice_rlan_ctx, showiv, 1, 127),
968 ICE_CTX_STORE(ice_rlan_ctx, rxmax, 14, 174),
969 ICE_CTX_STORE(ice_rlan_ctx, tphrdesc_ena, 1, 193),
970 ICE_CTX_STORE(ice_rlan_ctx, tphwdesc_ena, 1, 194),
971 ICE_CTX_STORE(ice_rlan_ctx, tphdata_ena, 1, 195),
972 ICE_CTX_STORE(ice_rlan_ctx, tphhead_ena, 1, 196),
973 ICE_CTX_STORE(ice_rlan_ctx, lrxqthresh, 3, 198),
974 ICE_CTX_STORE(ice_rlan_ctx, prefena, 1, 201),
980 * @hw: pointer to the hardware structure
981 * @rlan_ctx: pointer to the rxq context
982 * @rxq_index: the index of the Rx queue
984 * Converts rxq context from sparse to dense structure and then writes
985 * it to HW register space and enables the hardware to prefetch descriptors
986 * instead of only fetching them on demand
989 ice_write_rxq_ctx(struct ice_hw *hw, struct ice_rlan_ctx *rlan_ctx,
992 u8 ctx_buf[ICE_RXQ_CTX_SZ] = { 0 };
995 return ICE_ERR_BAD_PTR;
997 rlan_ctx->prefena = 1;
999 ice_set_ctx(hw, (u8 *)rlan_ctx, ctx_buf, ice_rlan_ctx_info);
1000 return ice_copy_rxq_ctx_to_hw(hw, ctx_buf, rxq_index);
1005 * @hw: pointer to the hardware structure
1006 * @rxq_index: the index of the Rx queue to clear
1008 * Clears rxq context in HW register space
1010 enum ice_status ice_clear_rxq_ctx(struct ice_hw *hw, u32 rxq_index)
1014 if (rxq_index > QRX_CTRL_MAX_INDEX)
1015 return ICE_ERR_PARAM;
1017 /* Clear each dword register separately */
1018 for (i = 0; i < ICE_RXQ_CTX_SIZE_DWORDS; i++)
1019 wr32(hw, QRX_CONTEXT(i, rxq_index), 0);
1024 /* LAN Tx Queue Context */
1025 const struct ice_ctx_ele ice_tlan_ctx_info[] = {
1026 /* Field Width LSB */
1027 ICE_CTX_STORE(ice_tlan_ctx, base, 57, 0),
1028 ICE_CTX_STORE(ice_tlan_ctx, port_num, 3, 57),
1029 ICE_CTX_STORE(ice_tlan_ctx, cgd_num, 5, 60),
1030 ICE_CTX_STORE(ice_tlan_ctx, pf_num, 3, 65),
1031 ICE_CTX_STORE(ice_tlan_ctx, vmvf_num, 10, 68),
1032 ICE_CTX_STORE(ice_tlan_ctx, vmvf_type, 2, 78),
1033 ICE_CTX_STORE(ice_tlan_ctx, src_vsi, 10, 80),
1034 ICE_CTX_STORE(ice_tlan_ctx, tsyn_ena, 1, 90),
1035 ICE_CTX_STORE(ice_tlan_ctx, internal_usage_flag, 1, 91),
1036 ICE_CTX_STORE(ice_tlan_ctx, alt_vlan, 1, 92),
1037 ICE_CTX_STORE(ice_tlan_ctx, cpuid, 8, 93),
1038 ICE_CTX_STORE(ice_tlan_ctx, wb_mode, 1, 101),
1039 ICE_CTX_STORE(ice_tlan_ctx, tphrd_desc, 1, 102),
1040 ICE_CTX_STORE(ice_tlan_ctx, tphrd, 1, 103),
1041 ICE_CTX_STORE(ice_tlan_ctx, tphwr_desc, 1, 104),
1042 ICE_CTX_STORE(ice_tlan_ctx, cmpq_id, 9, 105),
1043 ICE_CTX_STORE(ice_tlan_ctx, qnum_in_func, 14, 114),
1044 ICE_CTX_STORE(ice_tlan_ctx, itr_notification_mode, 1, 128),
1045 ICE_CTX_STORE(ice_tlan_ctx, adjust_prof_id, 6, 129),
1046 ICE_CTX_STORE(ice_tlan_ctx, qlen, 13, 135),
1047 ICE_CTX_STORE(ice_tlan_ctx, quanta_prof_idx, 4, 148),
1048 ICE_CTX_STORE(ice_tlan_ctx, tso_ena, 1, 152),
1049 ICE_CTX_STORE(ice_tlan_ctx, tso_qnum, 11, 153),
1050 ICE_CTX_STORE(ice_tlan_ctx, legacy_int, 1, 164),
1051 ICE_CTX_STORE(ice_tlan_ctx, drop_ena, 1, 165),
1052 ICE_CTX_STORE(ice_tlan_ctx, cache_prof_idx, 2, 166),
1053 ICE_CTX_STORE(ice_tlan_ctx, pkt_shaper_prof_idx, 3, 168),
1054 ICE_CTX_STORE(ice_tlan_ctx, int_q_state, 122, 171),
1059 * ice_copy_tx_cmpltnq_ctx_to_hw
1060 * @hw: pointer to the hardware structure
1061 * @ice_tx_cmpltnq_ctx: pointer to the Tx completion queue context
1062 * @tx_cmpltnq_index: the index of the completion queue
1064 * Copies Tx completion queue context from dense structure to HW register space
1066 static enum ice_status
1067 ice_copy_tx_cmpltnq_ctx_to_hw(struct ice_hw *hw, u8 *ice_tx_cmpltnq_ctx,
1068 u32 tx_cmpltnq_index)
1072 if (!ice_tx_cmpltnq_ctx)
1073 return ICE_ERR_BAD_PTR;
1075 if (tx_cmpltnq_index > GLTCLAN_CQ_CNTX0_MAX_INDEX)
1076 return ICE_ERR_PARAM;
1078 /* Copy each dword separately to HW */
1079 for (i = 0; i < ICE_TX_CMPLTNQ_CTX_SIZE_DWORDS; i++) {
1080 wr32(hw, GLTCLAN_CQ_CNTX(i, tx_cmpltnq_index),
1081 *((u32 *)(ice_tx_cmpltnq_ctx + (i * sizeof(u32)))));
1083 ice_debug(hw, ICE_DBG_QCTX, "cmpltnqdata[%d]: %08X\n", i,
1084 *((u32 *)(ice_tx_cmpltnq_ctx + (i * sizeof(u32)))));
1090 /* LAN Tx Completion Queue Context */
1091 static const struct ice_ctx_ele ice_tx_cmpltnq_ctx_info[] = {
1092 /* Field Width LSB */
1093 ICE_CTX_STORE(ice_tx_cmpltnq_ctx, base, 57, 0),
1094 ICE_CTX_STORE(ice_tx_cmpltnq_ctx, q_len, 18, 64),
1095 ICE_CTX_STORE(ice_tx_cmpltnq_ctx, generation, 1, 96),
1096 ICE_CTX_STORE(ice_tx_cmpltnq_ctx, wrt_ptr, 22, 97),
1097 ICE_CTX_STORE(ice_tx_cmpltnq_ctx, pf_num, 3, 128),
1098 ICE_CTX_STORE(ice_tx_cmpltnq_ctx, vmvf_num, 10, 131),
1099 ICE_CTX_STORE(ice_tx_cmpltnq_ctx, vmvf_type, 2, 141),
1100 ICE_CTX_STORE(ice_tx_cmpltnq_ctx, tph_desc_wr, 1, 160),
1101 ICE_CTX_STORE(ice_tx_cmpltnq_ctx, cpuid, 8, 161),
1102 ICE_CTX_STORE(ice_tx_cmpltnq_ctx, cmpltn_cache, 512, 192),
1107 * ice_write_tx_cmpltnq_ctx
1108 * @hw: pointer to the hardware structure
1109 * @tx_cmpltnq_ctx: pointer to the completion queue context
1110 * @tx_cmpltnq_index: the index of the completion queue
1112 * Converts completion queue context from sparse to dense structure and then
1113 * writes it to HW register space
1116 ice_write_tx_cmpltnq_ctx(struct ice_hw *hw,
1117 struct ice_tx_cmpltnq_ctx *tx_cmpltnq_ctx,
1118 u32 tx_cmpltnq_index)
1120 u8 ctx_buf[ICE_TX_CMPLTNQ_CTX_SIZE_DWORDS * sizeof(u32)] = { 0 };
1122 ice_set_ctx(hw, (u8 *)tx_cmpltnq_ctx, ctx_buf, ice_tx_cmpltnq_ctx_info);
1123 return ice_copy_tx_cmpltnq_ctx_to_hw(hw, ctx_buf, tx_cmpltnq_index);
1127 * ice_clear_tx_cmpltnq_ctx
1128 * @hw: pointer to the hardware structure
1129 * @tx_cmpltnq_index: the index of the completion queue to clear
1131 * Clears Tx completion queue context in HW register space
1134 ice_clear_tx_cmpltnq_ctx(struct ice_hw *hw, u32 tx_cmpltnq_index)
1138 if (tx_cmpltnq_index > GLTCLAN_CQ_CNTX0_MAX_INDEX)
1139 return ICE_ERR_PARAM;
1141 /* Clear each dword register separately */
1142 for (i = 0; i < ICE_TX_CMPLTNQ_CTX_SIZE_DWORDS; i++)
1143 wr32(hw, GLTCLAN_CQ_CNTX(i, tx_cmpltnq_index), 0);
1149 * ice_copy_tx_drbell_q_ctx_to_hw
1150 * @hw: pointer to the hardware structure
1151 * @ice_tx_drbell_q_ctx: pointer to the doorbell queue context
1152 * @tx_drbell_q_index: the index of the doorbell queue
1154 * Copies doorbell queue context from dense structure to HW register space
1156 static enum ice_status
1157 ice_copy_tx_drbell_q_ctx_to_hw(struct ice_hw *hw, u8 *ice_tx_drbell_q_ctx,
1158 u32 tx_drbell_q_index)
1162 if (!ice_tx_drbell_q_ctx)
1163 return ICE_ERR_BAD_PTR;
1165 if (tx_drbell_q_index > QTX_COMM_DBLQ_DBELL_MAX_INDEX)
1166 return ICE_ERR_PARAM;
1168 /* Copy each dword separately to HW */
1169 for (i = 0; i < ICE_TX_DRBELL_Q_CTX_SIZE_DWORDS; i++) {
1170 wr32(hw, QTX_COMM_DBLQ_CNTX(i, tx_drbell_q_index),
1171 *((u32 *)(ice_tx_drbell_q_ctx + (i * sizeof(u32)))));
1173 ice_debug(hw, ICE_DBG_QCTX, "tx_drbell_qdata[%d]: %08X\n", i,
1174 *((u32 *)(ice_tx_drbell_q_ctx + (i * sizeof(u32)))));
1180 /* LAN Tx Doorbell Queue Context info */
1181 static const struct ice_ctx_ele ice_tx_drbell_q_ctx_info[] = {
1182 /* Field Width LSB */
1183 ICE_CTX_STORE(ice_tx_drbell_q_ctx, base, 57, 0),
1184 ICE_CTX_STORE(ice_tx_drbell_q_ctx, ring_len, 13, 64),
1185 ICE_CTX_STORE(ice_tx_drbell_q_ctx, pf_num, 3, 80),
1186 ICE_CTX_STORE(ice_tx_drbell_q_ctx, vf_num, 8, 84),
1187 ICE_CTX_STORE(ice_tx_drbell_q_ctx, vmvf_type, 2, 94),
1188 ICE_CTX_STORE(ice_tx_drbell_q_ctx, cpuid, 8, 96),
1189 ICE_CTX_STORE(ice_tx_drbell_q_ctx, tph_desc_rd, 1, 104),
1190 ICE_CTX_STORE(ice_tx_drbell_q_ctx, tph_desc_wr, 1, 108),
1191 ICE_CTX_STORE(ice_tx_drbell_q_ctx, db_q_en, 1, 112),
1192 ICE_CTX_STORE(ice_tx_drbell_q_ctx, rd_head, 13, 128),
1193 ICE_CTX_STORE(ice_tx_drbell_q_ctx, rd_tail, 13, 144),
1198 * ice_write_tx_drbell_q_ctx
1199 * @hw: pointer to the hardware structure
1200 * @tx_drbell_q_ctx: pointer to the doorbell queue context
1201 * @tx_drbell_q_index: the index of the doorbell queue
1203 * Converts doorbell queue context from sparse to dense structure and then
1204 * writes it to HW register space
1207 ice_write_tx_drbell_q_ctx(struct ice_hw *hw,
1208 struct ice_tx_drbell_q_ctx *tx_drbell_q_ctx,
1209 u32 tx_drbell_q_index)
1211 u8 ctx_buf[ICE_TX_DRBELL_Q_CTX_SIZE_DWORDS * sizeof(u32)] = { 0 };
1213 ice_set_ctx(hw, (u8 *)tx_drbell_q_ctx, ctx_buf,
1214 ice_tx_drbell_q_ctx_info);
1215 return ice_copy_tx_drbell_q_ctx_to_hw(hw, ctx_buf, tx_drbell_q_index);
1219 * ice_clear_tx_drbell_q_ctx
1220 * @hw: pointer to the hardware structure
1221 * @tx_drbell_q_index: the index of the doorbell queue to clear
1223 * Clears doorbell queue context in HW register space
1226 ice_clear_tx_drbell_q_ctx(struct ice_hw *hw, u32 tx_drbell_q_index)
1230 if (tx_drbell_q_index > QTX_COMM_DBLQ_DBELL_MAX_INDEX)
1231 return ICE_ERR_PARAM;
1233 /* Clear each dword register separately */
1234 for (i = 0; i < ICE_TX_DRBELL_Q_CTX_SIZE_DWORDS; i++)
1235 wr32(hw, QTX_COMM_DBLQ_CNTX(i, tx_drbell_q_index), 0);
1240 /* FW Admin Queue command wrappers */
1243 * ice_aq_send_cmd - send FW Admin Queue command to FW Admin Queue
1244 * @hw: pointer to the HW struct
1245 * @desc: descriptor describing the command
1246 * @buf: buffer to use for indirect commands (NULL for direct commands)
1247 * @buf_size: size of buffer for indirect commands (0 for direct commands)
1248 * @cd: pointer to command details structure
1250 * Helper function to send FW Admin Queue commands to the FW Admin Queue.
1253 ice_aq_send_cmd(struct ice_hw *hw, struct ice_aq_desc *desc, void *buf,
1254 u16 buf_size, struct ice_sq_cd *cd)
1256 if (hw->aq_send_cmd_fn) {
1257 enum ice_status status = ICE_ERR_NOT_READY;
1258 u16 retval = ICE_AQ_RC_OK;
1260 ice_acquire_lock(&hw->adminq.sq_lock);
1261 if (!hw->aq_send_cmd_fn(hw->aq_send_cmd_param, desc,
1263 retval = LE16_TO_CPU(desc->retval);
1264 /* strip off FW internal code */
1267 if (retval == ICE_AQ_RC_OK)
1268 status = ICE_SUCCESS;
1270 status = ICE_ERR_AQ_ERROR;
1273 hw->adminq.sq_last_status = (enum ice_aq_err)retval;
1274 ice_release_lock(&hw->adminq.sq_lock);
1278 return ice_sq_send_cmd(hw, &hw->adminq, desc, buf, buf_size, cd);
1283 * @hw: pointer to the HW struct
1284 * @cd: pointer to command details structure or NULL
1286 * Get the firmware version (0x0001) from the admin queue commands
1288 enum ice_status ice_aq_get_fw_ver(struct ice_hw *hw, struct ice_sq_cd *cd)
1290 struct ice_aqc_get_ver *resp;
1291 struct ice_aq_desc desc;
1292 enum ice_status status;
1294 resp = &desc.params.get_ver;
1296 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_ver);
1298 status = ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
1301 hw->fw_branch = resp->fw_branch;
1302 hw->fw_maj_ver = resp->fw_major;
1303 hw->fw_min_ver = resp->fw_minor;
1304 hw->fw_patch = resp->fw_patch;
1305 hw->fw_build = LE32_TO_CPU(resp->fw_build);
1306 hw->api_branch = resp->api_branch;
1307 hw->api_maj_ver = resp->api_major;
1308 hw->api_min_ver = resp->api_minor;
1309 hw->api_patch = resp->api_patch;
1316 * ice_aq_send_driver_ver
1317 * @hw: pointer to the HW struct
1318 * @dv: driver's major, minor version
1319 * @cd: pointer to command details structure or NULL
1321 * Send the driver version (0x0002) to the firmware
1324 ice_aq_send_driver_ver(struct ice_hw *hw, struct ice_driver_ver *dv,
1325 struct ice_sq_cd *cd)
1327 struct ice_aqc_driver_ver *cmd;
1328 struct ice_aq_desc desc;
1331 cmd = &desc.params.driver_ver;
1334 return ICE_ERR_PARAM;
1336 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_driver_ver);
1338 desc.flags |= CPU_TO_LE16(ICE_AQ_FLAG_RD);
1339 cmd->major_ver = dv->major_ver;
1340 cmd->minor_ver = dv->minor_ver;
1341 cmd->build_ver = dv->build_ver;
1342 cmd->subbuild_ver = dv->subbuild_ver;
1345 while (len < sizeof(dv->driver_string) &&
1346 IS_ASCII(dv->driver_string[len]) && dv->driver_string[len])
1349 return ice_aq_send_cmd(hw, &desc, dv->driver_string, len, cd);
1354 * @hw: pointer to the HW struct
1355 * @unloading: is the driver unloading itself
1357 * Tell the Firmware that we're shutting down the AdminQ and whether
1358 * or not the driver is unloading as well (0x0003).
1360 enum ice_status ice_aq_q_shutdown(struct ice_hw *hw, bool unloading)
1362 struct ice_aqc_q_shutdown *cmd;
1363 struct ice_aq_desc desc;
1365 cmd = &desc.params.q_shutdown;
1367 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_q_shutdown);
1370 cmd->driver_unloading = ICE_AQC_DRIVER_UNLOADING;
1372 return ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
1377 * @hw: pointer to the HW struct
1379 * @access: access type
1380 * @sdp_number: resource number
1381 * @timeout: the maximum time in ms that the driver may hold the resource
1382 * @cd: pointer to command details structure or NULL
1384 * Requests common resource using the admin queue commands (0x0008).
1385 * When attempting to acquire the Global Config Lock, the driver can
1386 * learn of three states:
1387 * 1) ICE_SUCCESS - acquired lock, and can perform download package
1388 * 2) ICE_ERR_AQ_ERROR - did not get lock, driver should fail to load
1389 * 3) ICE_ERR_AQ_NO_WORK - did not get lock, but another driver has
1390 * successfully downloaded the package; the driver does
1391 * not have to download the package and can continue
1394 * Note that if the caller is in an acquire lock, perform action, release lock
1395 * phase of operation, it is possible that the FW may detect a timeout and issue
1396 * a CORER. In this case, the driver will receive a CORER interrupt and will
1397 * have to determine its cause. The calling thread that is handling this flow
1398 * will likely get an error propagated back to it indicating the Download
1399 * Package, Update Package or the Release Resource AQ commands timed out.
1401 static enum ice_status
1402 ice_aq_req_res(struct ice_hw *hw, enum ice_aq_res_ids res,
1403 enum ice_aq_res_access_type access, u8 sdp_number, u32 *timeout,
1404 struct ice_sq_cd *cd)
1406 struct ice_aqc_req_res *cmd_resp;
1407 struct ice_aq_desc desc;
1408 enum ice_status status;
1410 ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__);
1412 cmd_resp = &desc.params.res_owner;
1414 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_req_res);
1416 cmd_resp->res_id = CPU_TO_LE16(res);
1417 cmd_resp->access_type = CPU_TO_LE16(access);
1418 cmd_resp->res_number = CPU_TO_LE32(sdp_number);
1419 cmd_resp->timeout = CPU_TO_LE32(*timeout);
1422 status = ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
1424 /* The completion specifies the maximum time in ms that the driver
1425 * may hold the resource in the Timeout field.
1428 /* Global config lock response utilizes an additional status field.
1430 * If the Global config lock resource is held by some other driver, the
1431 * command completes with ICE_AQ_RES_GLBL_IN_PROG in the status field
1432 * and the timeout field indicates the maximum time the current owner
1433 * of the resource has to free it.
1435 if (res == ICE_GLOBAL_CFG_LOCK_RES_ID) {
1436 if (LE16_TO_CPU(cmd_resp->status) == ICE_AQ_RES_GLBL_SUCCESS) {
1437 *timeout = LE32_TO_CPU(cmd_resp->timeout);
1439 } else if (LE16_TO_CPU(cmd_resp->status) ==
1440 ICE_AQ_RES_GLBL_IN_PROG) {
1441 *timeout = LE32_TO_CPU(cmd_resp->timeout);
1442 return ICE_ERR_AQ_ERROR;
1443 } else if (LE16_TO_CPU(cmd_resp->status) ==
1444 ICE_AQ_RES_GLBL_DONE) {
1445 return ICE_ERR_AQ_NO_WORK;
1448 /* invalid FW response, force a timeout immediately */
1450 return ICE_ERR_AQ_ERROR;
1453 /* If the resource is held by some other driver, the command completes
1454 * with a busy return value and the timeout field indicates the maximum
1455 * time the current owner of the resource has to free it.
1457 if (!status || hw->adminq.sq_last_status == ICE_AQ_RC_EBUSY)
1458 *timeout = LE32_TO_CPU(cmd_resp->timeout);
1464 * ice_aq_release_res
1465 * @hw: pointer to the HW struct
1467 * @sdp_number: resource number
1468 * @cd: pointer to command details structure or NULL
1470 * release common resource using the admin queue commands (0x0009)
1472 static enum ice_status
1473 ice_aq_release_res(struct ice_hw *hw, enum ice_aq_res_ids res, u8 sdp_number,
1474 struct ice_sq_cd *cd)
1476 struct ice_aqc_req_res *cmd;
1477 struct ice_aq_desc desc;
1479 ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__);
1481 cmd = &desc.params.res_owner;
1483 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_release_res);
1485 cmd->res_id = CPU_TO_LE16(res);
1486 cmd->res_number = CPU_TO_LE32(sdp_number);
1488 return ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
1493 * @hw: pointer to the HW structure
1495 * @access: access type (read or write)
1496 * @timeout: timeout in milliseconds
1498 * This function will attempt to acquire the ownership of a resource.
1501 ice_acquire_res(struct ice_hw *hw, enum ice_aq_res_ids res,
1502 enum ice_aq_res_access_type access, u32 timeout)
1504 #define ICE_RES_POLLING_DELAY_MS 10
1505 u32 delay = ICE_RES_POLLING_DELAY_MS;
1506 u32 time_left = timeout;
1507 enum ice_status status;
1509 ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__);
1511 status = ice_aq_req_res(hw, res, access, 0, &time_left, NULL);
1513 /* A return code of ICE_ERR_AQ_NO_WORK means that another driver has
1514 * previously acquired the resource and performed any necessary updates;
1515 * in this case the caller does not obtain the resource and has no
1516 * further work to do.
1518 if (status == ICE_ERR_AQ_NO_WORK)
1519 goto ice_acquire_res_exit;
1522 ice_debug(hw, ICE_DBG_RES,
1523 "resource %d acquire type %d failed.\n", res, access);
1525 /* If necessary, poll until the current lock owner timeouts */
1526 timeout = time_left;
1527 while (status && timeout && time_left) {
1528 ice_msec_delay(delay, true);
1529 timeout = (timeout > delay) ? timeout - delay : 0;
1530 status = ice_aq_req_res(hw, res, access, 0, &time_left, NULL);
1532 if (status == ICE_ERR_AQ_NO_WORK)
1533 /* lock free, but no work to do */
1540 if (status && status != ICE_ERR_AQ_NO_WORK)
1541 ice_debug(hw, ICE_DBG_RES, "resource acquire timed out.\n");
1543 ice_acquire_res_exit:
1544 if (status == ICE_ERR_AQ_NO_WORK) {
1545 if (access == ICE_RES_WRITE)
1546 ice_debug(hw, ICE_DBG_RES,
1547 "resource indicates no work to do.\n");
1549 ice_debug(hw, ICE_DBG_RES,
1550 "Warning: ICE_ERR_AQ_NO_WORK not expected\n");
1557 * @hw: pointer to the HW structure
1560 * This function will release a resource using the proper Admin Command.
1562 void ice_release_res(struct ice_hw *hw, enum ice_aq_res_ids res)
1564 enum ice_status status;
1565 u32 total_delay = 0;
1567 ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__);
1569 status = ice_aq_release_res(hw, res, 0, NULL);
1571 /* there are some rare cases when trying to release the resource
1572 * results in an admin queue timeout, so handle them correctly
1574 while ((status == ICE_ERR_AQ_TIMEOUT) &&
1575 (total_delay < hw->adminq.sq_cmd_timeout)) {
1576 ice_msec_delay(1, true);
1577 status = ice_aq_release_res(hw, res, 0, NULL);
1583 * ice_aq_alloc_free_res - command to allocate/free resources
1584 * @hw: pointer to the HW struct
1585 * @num_entries: number of resource entries in buffer
1586 * @buf: Indirect buffer to hold data parameters and response
1587 * @buf_size: size of buffer for indirect commands
1588 * @opc: pass in the command opcode
1589 * @cd: pointer to command details structure or NULL
1591 * Helper function to allocate/free resources using the admin queue commands
1594 ice_aq_alloc_free_res(struct ice_hw *hw, u16 num_entries,
1595 struct ice_aqc_alloc_free_res_elem *buf, u16 buf_size,
1596 enum ice_adminq_opc opc, struct ice_sq_cd *cd)
1598 struct ice_aqc_alloc_free_res_cmd *cmd;
1599 struct ice_aq_desc desc;
1601 ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__);
1603 cmd = &desc.params.sw_res_ctrl;
1606 return ICE_ERR_PARAM;
1608 if (buf_size < (num_entries * sizeof(buf->elem[0])))
1609 return ICE_ERR_PARAM;
1611 ice_fill_dflt_direct_cmd_desc(&desc, opc);
1613 desc.flags |= CPU_TO_LE16(ICE_AQ_FLAG_RD);
1615 cmd->num_entries = CPU_TO_LE16(num_entries);
1617 return ice_aq_send_cmd(hw, &desc, buf, buf_size, cd);
1621 * ice_alloc_hw_res - allocate resource
1622 * @hw: pointer to the HW struct
1623 * @type: type of resource
1624 * @num: number of resources to allocate
1625 * @btm: allocate from bottom
1626 * @res: pointer to array that will receive the resources
1629 ice_alloc_hw_res(struct ice_hw *hw, u16 type, u16 num, bool btm, u16 *res)
1631 struct ice_aqc_alloc_free_res_elem *buf;
1632 enum ice_status status;
1635 buf_len = ice_struct_size(buf, elem, num - 1);
1636 buf = (struct ice_aqc_alloc_free_res_elem *)
1637 ice_malloc(hw, buf_len);
1639 return ICE_ERR_NO_MEMORY;
1641 /* Prepare buffer to allocate resource. */
1642 buf->num_elems = CPU_TO_LE16(num);
1643 buf->res_type = CPU_TO_LE16(type | ICE_AQC_RES_TYPE_FLAG_DEDICATED |
1644 ICE_AQC_RES_TYPE_FLAG_IGNORE_INDEX);
1646 buf->res_type |= CPU_TO_LE16(ICE_AQC_RES_TYPE_FLAG_SCAN_BOTTOM);
1648 status = ice_aq_alloc_free_res(hw, 1, buf, buf_len,
1649 ice_aqc_opc_alloc_res, NULL);
1651 goto ice_alloc_res_exit;
1653 ice_memcpy(res, buf->elem, sizeof(buf->elem) * num,
1654 ICE_NONDMA_TO_NONDMA);
1662 * ice_free_hw_res - free allocated HW resource
1663 * @hw: pointer to the HW struct
1664 * @type: type of resource to free
1665 * @num: number of resources
1666 * @res: pointer to array that contains the resources to free
1669 ice_free_hw_res(struct ice_hw *hw, u16 type, u16 num, u16 *res)
1671 struct ice_aqc_alloc_free_res_elem *buf;
1672 enum ice_status status;
1675 buf_len = ice_struct_size(buf, elem, num - 1);
1676 buf = (struct ice_aqc_alloc_free_res_elem *)ice_malloc(hw, buf_len);
1678 return ICE_ERR_NO_MEMORY;
1680 /* Prepare buffer to free resource. */
1681 buf->num_elems = CPU_TO_LE16(num);
1682 buf->res_type = CPU_TO_LE16(type);
1683 ice_memcpy(buf->elem, res, sizeof(buf->elem) * num,
1684 ICE_NONDMA_TO_NONDMA);
1686 status = ice_aq_alloc_free_res(hw, num, buf, buf_len,
1687 ice_aqc_opc_free_res, NULL);
1689 ice_debug(hw, ICE_DBG_SW, "CQ CMD Buffer:\n");
1696 * ice_get_num_per_func - determine number of resources per PF
1697 * @hw: pointer to the HW structure
1698 * @max: value to be evenly split between each PF
1700 * Determine the number of valid functions by going through the bitmap returned
1701 * from parsing capabilities and use this to calculate the number of resources
1702 * per PF based on the max value passed in.
1704 static u32 ice_get_num_per_func(struct ice_hw *hw, u32 max)
1708 #define ICE_CAPS_VALID_FUNCS_M 0xFF
1709 funcs = ice_hweight8(hw->dev_caps.common_cap.valid_functions &
1710 ICE_CAPS_VALID_FUNCS_M);
1719 * ice_parse_caps - parse function/device capabilities
1720 * @hw: pointer to the HW struct
1721 * @buf: pointer to a buffer containing function/device capability records
1722 * @cap_count: number of capability records in the list
1723 * @opc: type of capabilities list to parse
1725 * Helper function to parse function(0x000a)/device(0x000b) capabilities list.
1728 ice_parse_caps(struct ice_hw *hw, void *buf, u32 cap_count,
1729 enum ice_adminq_opc opc)
1731 struct ice_aqc_list_caps_elem *cap_resp;
1732 struct ice_hw_func_caps *func_p = NULL;
1733 struct ice_hw_dev_caps *dev_p = NULL;
1734 struct ice_hw_common_caps *caps;
1741 cap_resp = (struct ice_aqc_list_caps_elem *)buf;
1743 if (opc == ice_aqc_opc_list_dev_caps) {
1744 dev_p = &hw->dev_caps;
1745 caps = &dev_p->common_cap;
1747 } else if (opc == ice_aqc_opc_list_func_caps) {
1748 func_p = &hw->func_caps;
1749 caps = &func_p->common_cap;
1750 prefix = "func cap";
1752 ice_debug(hw, ICE_DBG_INIT, "wrong opcode\n");
1756 for (i = 0; caps && i < cap_count; i++, cap_resp++) {
1757 u32 logical_id = LE32_TO_CPU(cap_resp->logical_id);
1758 u32 phys_id = LE32_TO_CPU(cap_resp->phys_id);
1759 u32 number = LE32_TO_CPU(cap_resp->number);
1760 u16 cap = LE16_TO_CPU(cap_resp->cap);
1763 case ICE_AQC_CAPS_VALID_FUNCTIONS:
1764 caps->valid_functions = number;
1765 ice_debug(hw, ICE_DBG_INIT,
1766 "%s: valid_functions (bitmap) = %d\n", prefix,
1767 caps->valid_functions);
1769 /* store func count for resource management purposes */
1771 dev_p->num_funcs = ice_hweight32(number);
1773 case ICE_AQC_CAPS_VSI:
1775 dev_p->num_vsi_allocd_to_host = number;
1776 ice_debug(hw, ICE_DBG_INIT,
1777 "%s: num_vsi_allocd_to_host = %d\n",
1779 dev_p->num_vsi_allocd_to_host);
1780 } else if (func_p) {
1781 func_p->guar_num_vsi =
1782 ice_get_num_per_func(hw, ICE_MAX_VSI);
1783 ice_debug(hw, ICE_DBG_INIT,
1784 "%s: guar_num_vsi (fw) = %d\n",
1786 ice_debug(hw, ICE_DBG_INIT,
1787 "%s: guar_num_vsi = %d\n",
1788 prefix, func_p->guar_num_vsi);
1791 case ICE_AQC_CAPS_DCB:
1792 caps->dcb = (number == 1);
1793 caps->active_tc_bitmap = logical_id;
1794 caps->maxtc = phys_id;
1795 ice_debug(hw, ICE_DBG_INIT,
1796 "%s: dcb = %d\n", prefix, caps->dcb);
1797 ice_debug(hw, ICE_DBG_INIT,
1798 "%s: active_tc_bitmap = %d\n", prefix,
1799 caps->active_tc_bitmap);
1800 ice_debug(hw, ICE_DBG_INIT,
1801 "%s: maxtc = %d\n", prefix, caps->maxtc);
1803 case ICE_AQC_CAPS_RSS:
1804 caps->rss_table_size = number;
1805 caps->rss_table_entry_width = logical_id;
1806 ice_debug(hw, ICE_DBG_INIT,
1807 "%s: rss_table_size = %d\n", prefix,
1808 caps->rss_table_size);
1809 ice_debug(hw, ICE_DBG_INIT,
1810 "%s: rss_table_entry_width = %d\n", prefix,
1811 caps->rss_table_entry_width);
1813 case ICE_AQC_CAPS_RXQS:
1814 caps->num_rxq = number;
1815 caps->rxq_first_id = phys_id;
1816 ice_debug(hw, ICE_DBG_INIT,
1817 "%s: num_rxq = %d\n", prefix,
1819 ice_debug(hw, ICE_DBG_INIT,
1820 "%s: rxq_first_id = %d\n", prefix,
1821 caps->rxq_first_id);
1823 case ICE_AQC_CAPS_TXQS:
1824 caps->num_txq = number;
1825 caps->txq_first_id = phys_id;
1826 ice_debug(hw, ICE_DBG_INIT,
1827 "%s: num_txq = %d\n", prefix,
1829 ice_debug(hw, ICE_DBG_INIT,
1830 "%s: txq_first_id = %d\n", prefix,
1831 caps->txq_first_id);
1833 case ICE_AQC_CAPS_MSIX:
1834 caps->num_msix_vectors = number;
1835 caps->msix_vector_first_id = phys_id;
1836 ice_debug(hw, ICE_DBG_INIT,
1837 "%s: num_msix_vectors = %d\n", prefix,
1838 caps->num_msix_vectors);
1839 ice_debug(hw, ICE_DBG_INIT,
1840 "%s: msix_vector_first_id = %d\n", prefix,
1841 caps->msix_vector_first_id);
1843 case ICE_AQC_CAPS_FD:
1845 dev_p->num_flow_director_fltr = number;
1846 ice_debug(hw, ICE_DBG_INIT,
1847 "%s: num_flow_director_fltr = %d\n",
1849 dev_p->num_flow_director_fltr);
1853 if (hw->dcf_enabled)
1855 reg_val = rd32(hw, GLQF_FD_SIZE);
1856 val = (reg_val & GLQF_FD_SIZE_FD_GSIZE_M) >>
1857 GLQF_FD_SIZE_FD_GSIZE_S;
1858 func_p->fd_fltr_guar =
1859 ice_get_num_per_func(hw, val);
1860 val = (reg_val & GLQF_FD_SIZE_FD_BSIZE_M) >>
1861 GLQF_FD_SIZE_FD_BSIZE_S;
1862 func_p->fd_fltr_best_effort = val;
1863 ice_debug(hw, ICE_DBG_INIT,
1864 "%s: fd_fltr_guar = %d\n",
1865 prefix, func_p->fd_fltr_guar);
1866 ice_debug(hw, ICE_DBG_INIT,
1867 "%s: fd_fltr_best_effort = %d\n",
1868 prefix, func_p->fd_fltr_best_effort);
1871 case ICE_AQC_CAPS_MAX_MTU:
1872 caps->max_mtu = number;
1873 ice_debug(hw, ICE_DBG_INIT, "%s: max_mtu = %d\n",
1874 prefix, caps->max_mtu);
1877 ice_debug(hw, ICE_DBG_INIT,
1878 "%s: unknown capability[%d]: 0x%x\n", prefix,
1884 /* Re-calculate capabilities that are dependent on the number of
1885 * physical ports; i.e. some features are not supported or function
1886 * differently on devices with more than 4 ports.
1888 if (hw->dev_caps.num_funcs > 4) {
1889 /* Max 4 TCs per port */
1891 ice_debug(hw, ICE_DBG_INIT,
1892 "%s: maxtc = %d (based on #ports)\n", prefix,
1898 * ice_aq_discover_caps - query function/device capabilities
1899 * @hw: pointer to the HW struct
1900 * @buf: a virtual buffer to hold the capabilities
1901 * @buf_size: Size of the virtual buffer
1902 * @cap_count: cap count needed if AQ err==ENOMEM
1903 * @opc: capabilities type to discover - pass in the command opcode
1904 * @cd: pointer to command details structure or NULL
1906 * Get the function(0x000a)/device(0x000b) capabilities description from
1909 static enum ice_status
1910 ice_aq_discover_caps(struct ice_hw *hw, void *buf, u16 buf_size, u32 *cap_count,
1911 enum ice_adminq_opc opc, struct ice_sq_cd *cd)
1913 struct ice_aqc_list_caps *cmd;
1914 struct ice_aq_desc desc;
1915 enum ice_status status;
1917 cmd = &desc.params.get_cap;
1919 if (opc != ice_aqc_opc_list_func_caps &&
1920 opc != ice_aqc_opc_list_dev_caps)
1921 return ICE_ERR_PARAM;
1923 ice_fill_dflt_direct_cmd_desc(&desc, opc);
1925 status = ice_aq_send_cmd(hw, &desc, buf, buf_size, cd);
1927 ice_parse_caps(hw, buf, LE32_TO_CPU(cmd->count), opc);
1928 else if (hw->adminq.sq_last_status == ICE_AQ_RC_ENOMEM)
1929 *cap_count = LE32_TO_CPU(cmd->count);
1934 * ice_discover_caps - get info about the HW
1935 * @hw: pointer to the hardware structure
1936 * @opc: capabilities type to discover - pass in the command opcode
1938 static enum ice_status
1939 ice_discover_caps(struct ice_hw *hw, enum ice_adminq_opc opc)
1941 enum ice_status status;
1946 /* The driver doesn't know how many capabilities the device will return
1947 * so the buffer size required isn't known ahead of time. The driver
1948 * starts with cbuf_len and if this turns out to be insufficient, the
1949 * device returns ICE_AQ_RC_ENOMEM and also the cap_count it needs.
1950 * The driver then allocates the buffer based on the count and retries
1951 * the operation. So it follows that the retry count is 2.
1953 #define ICE_GET_CAP_BUF_COUNT 40
1954 #define ICE_GET_CAP_RETRY_COUNT 2
1956 cap_count = ICE_GET_CAP_BUF_COUNT;
1957 retries = ICE_GET_CAP_RETRY_COUNT;
1962 cbuf_len = (u16)(cap_count *
1963 sizeof(struct ice_aqc_list_caps_elem));
1964 cbuf = ice_malloc(hw, cbuf_len);
1966 return ICE_ERR_NO_MEMORY;
1968 status = ice_aq_discover_caps(hw, cbuf, cbuf_len, &cap_count,
1972 if (!status || hw->adminq.sq_last_status != ICE_AQ_RC_ENOMEM)
1975 /* If ENOMEM is returned, try again with bigger buffer */
1976 } while (--retries);
1982 * ice_set_safe_mode_caps - Override dev/func capabilities when in safe mode
1983 * @hw: pointer to the hardware structure
1985 void ice_set_safe_mode_caps(struct ice_hw *hw)
1987 struct ice_hw_func_caps *func_caps = &hw->func_caps;
1988 struct ice_hw_dev_caps *dev_caps = &hw->dev_caps;
1989 u32 valid_func, rxq_first_id, txq_first_id;
1990 u32 msix_vector_first_id, max_mtu;
1993 /* cache some func_caps values that should be restored after memset */
1994 valid_func = func_caps->common_cap.valid_functions;
1995 txq_first_id = func_caps->common_cap.txq_first_id;
1996 rxq_first_id = func_caps->common_cap.rxq_first_id;
1997 msix_vector_first_id = func_caps->common_cap.msix_vector_first_id;
1998 max_mtu = func_caps->common_cap.max_mtu;
2000 /* unset func capabilities */
2001 memset(func_caps, 0, sizeof(*func_caps));
2003 /* restore cached values */
2004 func_caps->common_cap.valid_functions = valid_func;
2005 func_caps->common_cap.txq_first_id = txq_first_id;
2006 func_caps->common_cap.rxq_first_id = rxq_first_id;
2007 func_caps->common_cap.msix_vector_first_id = msix_vector_first_id;
2008 func_caps->common_cap.max_mtu = max_mtu;
2010 /* one Tx and one Rx queue in safe mode */
2011 func_caps->common_cap.num_rxq = 1;
2012 func_caps->common_cap.num_txq = 1;
2014 /* two MSIX vectors, one for traffic and one for misc causes */
2015 func_caps->common_cap.num_msix_vectors = 2;
2016 func_caps->guar_num_vsi = 1;
2018 /* cache some dev_caps values that should be restored after memset */
2019 valid_func = dev_caps->common_cap.valid_functions;
2020 txq_first_id = dev_caps->common_cap.txq_first_id;
2021 rxq_first_id = dev_caps->common_cap.rxq_first_id;
2022 msix_vector_first_id = dev_caps->common_cap.msix_vector_first_id;
2023 max_mtu = dev_caps->common_cap.max_mtu;
2024 num_funcs = dev_caps->num_funcs;
2026 /* unset dev capabilities */
2027 memset(dev_caps, 0, sizeof(*dev_caps));
2029 /* restore cached values */
2030 dev_caps->common_cap.valid_functions = valid_func;
2031 dev_caps->common_cap.txq_first_id = txq_first_id;
2032 dev_caps->common_cap.rxq_first_id = rxq_first_id;
2033 dev_caps->common_cap.msix_vector_first_id = msix_vector_first_id;
2034 dev_caps->common_cap.max_mtu = max_mtu;
2035 dev_caps->num_funcs = num_funcs;
2037 /* one Tx and one Rx queue per function in safe mode */
2038 dev_caps->common_cap.num_rxq = num_funcs;
2039 dev_caps->common_cap.num_txq = num_funcs;
2041 /* two MSIX vectors per function */
2042 dev_caps->common_cap.num_msix_vectors = 2 * num_funcs;
2046 * ice_get_caps - get info about the HW
2047 * @hw: pointer to the hardware structure
2049 enum ice_status ice_get_caps(struct ice_hw *hw)
2051 enum ice_status status;
2053 status = ice_discover_caps(hw, ice_aqc_opc_list_dev_caps);
2055 status = ice_discover_caps(hw, ice_aqc_opc_list_func_caps);
2061 * ice_aq_manage_mac_write - manage MAC address write command
2062 * @hw: pointer to the HW struct
2063 * @mac_addr: MAC address to be written as LAA/LAA+WoL/Port address
2064 * @flags: flags to control write behavior
2065 * @cd: pointer to command details structure or NULL
2067 * This function is used to write MAC address to the NVM (0x0108).
2070 ice_aq_manage_mac_write(struct ice_hw *hw, const u8 *mac_addr, u8 flags,
2071 struct ice_sq_cd *cd)
2073 struct ice_aqc_manage_mac_write *cmd;
2074 struct ice_aq_desc desc;
2076 cmd = &desc.params.mac_write;
2077 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_manage_mac_write);
2080 ice_memcpy(cmd->mac_addr, mac_addr, ETH_ALEN, ICE_NONDMA_TO_DMA);
2082 return ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
2086 * ice_aq_clear_pxe_mode
2087 * @hw: pointer to the HW struct
2089 * Tell the firmware that the driver is taking over from PXE (0x0110).
2091 static enum ice_status ice_aq_clear_pxe_mode(struct ice_hw *hw)
2093 struct ice_aq_desc desc;
2095 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_clear_pxe_mode);
2096 desc.params.clear_pxe.rx_cnt = ICE_AQC_CLEAR_PXE_RX_CNT;
2098 return ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
2102 * ice_clear_pxe_mode - clear pxe operations mode
2103 * @hw: pointer to the HW struct
2105 * Make sure all PXE mode settings are cleared, including things
2106 * like descriptor fetch/write-back mode.
2108 void ice_clear_pxe_mode(struct ice_hw *hw)
2110 if (ice_check_sq_alive(hw, &hw->adminq))
2111 ice_aq_clear_pxe_mode(hw);
2115 * ice_get_link_speed_based_on_phy_type - returns link speed
2116 * @phy_type_low: lower part of phy_type
2117 * @phy_type_high: higher part of phy_type
2119 * This helper function will convert an entry in PHY type structure
2120 * [phy_type_low, phy_type_high] to its corresponding link speed.
2121 * Note: In the structure of [phy_type_low, phy_type_high], there should
2122 * be one bit set, as this function will convert one PHY type to its
2124 * If no bit gets set, ICE_LINK_SPEED_UNKNOWN will be returned
2125 * If more than one bit gets set, ICE_LINK_SPEED_UNKNOWN will be returned
2128 ice_get_link_speed_based_on_phy_type(u64 phy_type_low, u64 phy_type_high)
2130 u16 speed_phy_type_high = ICE_AQ_LINK_SPEED_UNKNOWN;
2131 u16 speed_phy_type_low = ICE_AQ_LINK_SPEED_UNKNOWN;
2133 switch (phy_type_low) {
2134 case ICE_PHY_TYPE_LOW_100BASE_TX:
2135 case ICE_PHY_TYPE_LOW_100M_SGMII:
2136 speed_phy_type_low = ICE_AQ_LINK_SPEED_100MB;
2138 case ICE_PHY_TYPE_LOW_1000BASE_T:
2139 case ICE_PHY_TYPE_LOW_1000BASE_SX:
2140 case ICE_PHY_TYPE_LOW_1000BASE_LX:
2141 case ICE_PHY_TYPE_LOW_1000BASE_KX:
2142 case ICE_PHY_TYPE_LOW_1G_SGMII:
2143 speed_phy_type_low = ICE_AQ_LINK_SPEED_1000MB;
2145 case ICE_PHY_TYPE_LOW_2500BASE_T:
2146 case ICE_PHY_TYPE_LOW_2500BASE_X:
2147 case ICE_PHY_TYPE_LOW_2500BASE_KX:
2148 speed_phy_type_low = ICE_AQ_LINK_SPEED_2500MB;
2150 case ICE_PHY_TYPE_LOW_5GBASE_T:
2151 case ICE_PHY_TYPE_LOW_5GBASE_KR:
2152 speed_phy_type_low = ICE_AQ_LINK_SPEED_5GB;
2154 case ICE_PHY_TYPE_LOW_10GBASE_T:
2155 case ICE_PHY_TYPE_LOW_10G_SFI_DA:
2156 case ICE_PHY_TYPE_LOW_10GBASE_SR:
2157 case ICE_PHY_TYPE_LOW_10GBASE_LR:
2158 case ICE_PHY_TYPE_LOW_10GBASE_KR_CR1:
2159 case ICE_PHY_TYPE_LOW_10G_SFI_AOC_ACC:
2160 case ICE_PHY_TYPE_LOW_10G_SFI_C2C:
2161 speed_phy_type_low = ICE_AQ_LINK_SPEED_10GB;
2163 case ICE_PHY_TYPE_LOW_25GBASE_T:
2164 case ICE_PHY_TYPE_LOW_25GBASE_CR:
2165 case ICE_PHY_TYPE_LOW_25GBASE_CR_S:
2166 case ICE_PHY_TYPE_LOW_25GBASE_CR1:
2167 case ICE_PHY_TYPE_LOW_25GBASE_SR:
2168 case ICE_PHY_TYPE_LOW_25GBASE_LR:
2169 case ICE_PHY_TYPE_LOW_25GBASE_KR:
2170 case ICE_PHY_TYPE_LOW_25GBASE_KR_S:
2171 case ICE_PHY_TYPE_LOW_25GBASE_KR1:
2172 case ICE_PHY_TYPE_LOW_25G_AUI_AOC_ACC:
2173 case ICE_PHY_TYPE_LOW_25G_AUI_C2C:
2174 speed_phy_type_low = ICE_AQ_LINK_SPEED_25GB;
2176 case ICE_PHY_TYPE_LOW_40GBASE_CR4:
2177 case ICE_PHY_TYPE_LOW_40GBASE_SR4:
2178 case ICE_PHY_TYPE_LOW_40GBASE_LR4:
2179 case ICE_PHY_TYPE_LOW_40GBASE_KR4:
2180 case ICE_PHY_TYPE_LOW_40G_XLAUI_AOC_ACC:
2181 case ICE_PHY_TYPE_LOW_40G_XLAUI:
2182 speed_phy_type_low = ICE_AQ_LINK_SPEED_40GB;
2184 case ICE_PHY_TYPE_LOW_50GBASE_CR2:
2185 case ICE_PHY_TYPE_LOW_50GBASE_SR2:
2186 case ICE_PHY_TYPE_LOW_50GBASE_LR2:
2187 case ICE_PHY_TYPE_LOW_50GBASE_KR2:
2188 case ICE_PHY_TYPE_LOW_50G_LAUI2_AOC_ACC:
2189 case ICE_PHY_TYPE_LOW_50G_LAUI2:
2190 case ICE_PHY_TYPE_LOW_50G_AUI2_AOC_ACC:
2191 case ICE_PHY_TYPE_LOW_50G_AUI2:
2192 case ICE_PHY_TYPE_LOW_50GBASE_CP:
2193 case ICE_PHY_TYPE_LOW_50GBASE_SR:
2194 case ICE_PHY_TYPE_LOW_50GBASE_FR:
2195 case ICE_PHY_TYPE_LOW_50GBASE_LR:
2196 case ICE_PHY_TYPE_LOW_50GBASE_KR_PAM4:
2197 case ICE_PHY_TYPE_LOW_50G_AUI1_AOC_ACC:
2198 case ICE_PHY_TYPE_LOW_50G_AUI1:
2199 speed_phy_type_low = ICE_AQ_LINK_SPEED_50GB;
2201 case ICE_PHY_TYPE_LOW_100GBASE_CR4:
2202 case ICE_PHY_TYPE_LOW_100GBASE_SR4:
2203 case ICE_PHY_TYPE_LOW_100GBASE_LR4:
2204 case ICE_PHY_TYPE_LOW_100GBASE_KR4:
2205 case ICE_PHY_TYPE_LOW_100G_CAUI4_AOC_ACC:
2206 case ICE_PHY_TYPE_LOW_100G_CAUI4:
2207 case ICE_PHY_TYPE_LOW_100G_AUI4_AOC_ACC:
2208 case ICE_PHY_TYPE_LOW_100G_AUI4:
2209 case ICE_PHY_TYPE_LOW_100GBASE_CR_PAM4:
2210 case ICE_PHY_TYPE_LOW_100GBASE_KR_PAM4:
2211 case ICE_PHY_TYPE_LOW_100GBASE_CP2:
2212 case ICE_PHY_TYPE_LOW_100GBASE_SR2:
2213 case ICE_PHY_TYPE_LOW_100GBASE_DR:
2214 speed_phy_type_low = ICE_AQ_LINK_SPEED_100GB;
2217 speed_phy_type_low = ICE_AQ_LINK_SPEED_UNKNOWN;
2221 switch (phy_type_high) {
2222 case ICE_PHY_TYPE_HIGH_100GBASE_KR2_PAM4:
2223 case ICE_PHY_TYPE_HIGH_100G_CAUI2_AOC_ACC:
2224 case ICE_PHY_TYPE_HIGH_100G_CAUI2:
2225 case ICE_PHY_TYPE_HIGH_100G_AUI2_AOC_ACC:
2226 case ICE_PHY_TYPE_HIGH_100G_AUI2:
2227 speed_phy_type_high = ICE_AQ_LINK_SPEED_100GB;
2230 speed_phy_type_high = ICE_AQ_LINK_SPEED_UNKNOWN;
2234 if (speed_phy_type_low == ICE_AQ_LINK_SPEED_UNKNOWN &&
2235 speed_phy_type_high == ICE_AQ_LINK_SPEED_UNKNOWN)
2236 return ICE_AQ_LINK_SPEED_UNKNOWN;
2237 else if (speed_phy_type_low != ICE_AQ_LINK_SPEED_UNKNOWN &&
2238 speed_phy_type_high != ICE_AQ_LINK_SPEED_UNKNOWN)
2239 return ICE_AQ_LINK_SPEED_UNKNOWN;
2240 else if (speed_phy_type_low != ICE_AQ_LINK_SPEED_UNKNOWN &&
2241 speed_phy_type_high == ICE_AQ_LINK_SPEED_UNKNOWN)
2242 return speed_phy_type_low;
2244 return speed_phy_type_high;
2248 * ice_update_phy_type
2249 * @phy_type_low: pointer to the lower part of phy_type
2250 * @phy_type_high: pointer to the higher part of phy_type
2251 * @link_speeds_bitmap: targeted link speeds bitmap
2253 * Note: For the link_speeds_bitmap structure, you can check it at
2254 * [ice_aqc_get_link_status->link_speed]. Caller can pass in
2255 * link_speeds_bitmap include multiple speeds.
2257 * Each entry in this [phy_type_low, phy_type_high] structure will
2258 * present a certain link speed. This helper function will turn on bits
2259 * in [phy_type_low, phy_type_high] structure based on the value of
2260 * link_speeds_bitmap input parameter.
2263 ice_update_phy_type(u64 *phy_type_low, u64 *phy_type_high,
2264 u16 link_speeds_bitmap)
2271 /* We first check with low part of phy_type */
2272 for (index = 0; index <= ICE_PHY_TYPE_LOW_MAX_INDEX; index++) {
2273 pt_low = BIT_ULL(index);
2274 speed = ice_get_link_speed_based_on_phy_type(pt_low, 0);
2276 if (link_speeds_bitmap & speed)
2277 *phy_type_low |= BIT_ULL(index);
2280 /* We then check with high part of phy_type */
2281 for (index = 0; index <= ICE_PHY_TYPE_HIGH_MAX_INDEX; index++) {
2282 pt_high = BIT_ULL(index);
2283 speed = ice_get_link_speed_based_on_phy_type(0, pt_high);
2285 if (link_speeds_bitmap & speed)
2286 *phy_type_high |= BIT_ULL(index);
2291 * ice_aq_set_phy_cfg
2292 * @hw: pointer to the HW struct
2293 * @pi: port info structure of the interested logical port
2294 * @cfg: structure with PHY configuration data to be set
2295 * @cd: pointer to command details structure or NULL
2297 * Set the various PHY configuration parameters supported on the Port.
2298 * One or more of the Set PHY config parameters may be ignored in an MFP
2299 * mode as the PF may not have the privilege to set some of the PHY Config
2300 * parameters. This status will be indicated by the command response (0x0601).
2303 ice_aq_set_phy_cfg(struct ice_hw *hw, struct ice_port_info *pi,
2304 struct ice_aqc_set_phy_cfg_data *cfg, struct ice_sq_cd *cd)
2306 struct ice_aq_desc desc;
2307 enum ice_status status;
2310 return ICE_ERR_PARAM;
2312 /* Ensure that only valid bits of cfg->caps can be turned on. */
2313 if (cfg->caps & ~ICE_AQ_PHY_ENA_VALID_MASK) {
2314 ice_debug(hw, ICE_DBG_PHY,
2315 "Invalid bit is set in ice_aqc_set_phy_cfg_data->caps : 0x%x\n",
2318 cfg->caps &= ICE_AQ_PHY_ENA_VALID_MASK;
2321 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_phy_cfg);
2322 desc.params.set_phy.lport_num = pi->lport;
2323 desc.flags |= CPU_TO_LE16(ICE_AQ_FLAG_RD);
2325 ice_debug(hw, ICE_DBG_LINK, "phy_type_low = 0x%llx\n",
2326 (unsigned long long)LE64_TO_CPU(cfg->phy_type_low));
2327 ice_debug(hw, ICE_DBG_LINK, "phy_type_high = 0x%llx\n",
2328 (unsigned long long)LE64_TO_CPU(cfg->phy_type_high));
2329 ice_debug(hw, ICE_DBG_LINK, "caps = 0x%x\n", cfg->caps);
2330 ice_debug(hw, ICE_DBG_LINK, "low_power_ctrl_an = 0x%x\n",
2331 cfg->low_power_ctrl_an);
2332 ice_debug(hw, ICE_DBG_LINK, "eee_cap = 0x%x\n", cfg->eee_cap);
2333 ice_debug(hw, ICE_DBG_LINK, "eeer_value = 0x%x\n", cfg->eeer_value);
2334 ice_debug(hw, ICE_DBG_LINK, "link_fec_opt = 0x%x\n", cfg->link_fec_opt);
2336 status = ice_aq_send_cmd(hw, &desc, cfg, sizeof(*cfg), cd);
2338 if (hw->adminq.sq_last_status == ICE_AQ_RC_EMODE)
2339 status = ICE_SUCCESS;
2342 pi->phy.curr_user_phy_cfg = *cfg;
2348 * ice_update_link_info - update status of the HW network link
2349 * @pi: port info structure of the interested logical port
2351 enum ice_status ice_update_link_info(struct ice_port_info *pi)
2353 struct ice_link_status *li;
2354 enum ice_status status;
2357 return ICE_ERR_PARAM;
2359 li = &pi->phy.link_info;
2361 status = ice_aq_get_link_info(pi, true, NULL, NULL);
2365 if (li->link_info & ICE_AQ_MEDIA_AVAILABLE) {
2366 struct ice_aqc_get_phy_caps_data *pcaps;
2370 pcaps = (struct ice_aqc_get_phy_caps_data *)
2371 ice_malloc(hw, sizeof(*pcaps));
2373 return ICE_ERR_NO_MEMORY;
2375 status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_TOPO_CAP,
2377 if (status == ICE_SUCCESS)
2378 ice_memcpy(li->module_type, &pcaps->module_type,
2379 sizeof(li->module_type),
2380 ICE_NONDMA_TO_NONDMA);
2382 ice_free(hw, pcaps);
2389 * ice_cache_phy_user_req
2390 * @pi: port information structure
2391 * @cache_data: PHY logging data
2392 * @cache_mode: PHY logging mode
2394 * Log the user request on (FC, FEC, SPEED) for later user.
2397 ice_cache_phy_user_req(struct ice_port_info *pi,
2398 struct ice_phy_cache_mode_data cache_data,
2399 enum ice_phy_cache_mode cache_mode)
2404 switch (cache_mode) {
2406 pi->phy.curr_user_fc_req = cache_data.data.curr_user_fc_req;
2408 case ICE_SPEED_MODE:
2409 pi->phy.curr_user_speed_req =
2410 cache_data.data.curr_user_speed_req;
2413 pi->phy.curr_user_fec_req = cache_data.data.curr_user_fec_req;
2421 * ice_caps_to_fc_mode
2422 * @caps: PHY capabilities
2424 * Convert PHY FC capabilities to ice FC mode
2426 enum ice_fc_mode ice_caps_to_fc_mode(u8 caps)
2428 if (caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE &&
2429 caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE)
2432 if (caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE)
2433 return ICE_FC_TX_PAUSE;
2435 if (caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE)
2436 return ICE_FC_RX_PAUSE;
2442 * ice_caps_to_fec_mode
2443 * @caps: PHY capabilities
2444 * @fec_options: Link FEC options
2446 * Convert PHY FEC capabilities to ice FEC mode
2448 enum ice_fec_mode ice_caps_to_fec_mode(u8 caps, u8 fec_options)
2450 if (caps & ICE_AQC_PHY_EN_AUTO_FEC)
2451 return ICE_FEC_AUTO;
2453 if (fec_options & (ICE_AQC_PHY_FEC_10G_KR_40G_KR4_EN |
2454 ICE_AQC_PHY_FEC_10G_KR_40G_KR4_REQ |
2455 ICE_AQC_PHY_FEC_25G_KR_CLAUSE74_EN |
2456 ICE_AQC_PHY_FEC_25G_KR_REQ))
2457 return ICE_FEC_BASER;
2459 if (fec_options & (ICE_AQC_PHY_FEC_25G_RS_528_REQ |
2460 ICE_AQC_PHY_FEC_25G_RS_544_REQ |
2461 ICE_AQC_PHY_FEC_25G_RS_CLAUSE91_EN))
2464 return ICE_FEC_NONE;
2467 static enum ice_status
2468 ice_cfg_phy_fc(struct ice_port_info *pi, struct ice_aqc_set_phy_cfg_data *cfg,
2469 enum ice_fc_mode req_mode)
2471 struct ice_aqc_get_phy_caps_data *pcaps = NULL;
2472 struct ice_phy_cache_mode_data cache_data;
2473 enum ice_status status = ICE_SUCCESS;
2474 u8 pause_mask = 0x0;
2477 return ICE_ERR_BAD_PTR;
2479 pcaps = (struct ice_aqc_get_phy_caps_data *)
2480 ice_malloc(pi->hw, sizeof(*pcaps));
2482 return ICE_ERR_NO_MEMORY;
2484 /* Cache user FC request */
2485 cache_data.data.curr_user_fc_req = req_mode;
2486 ice_cache_phy_user_req(pi, cache_data, ICE_FC_MODE);
2490 /* Query the value of FC that both the NIC and attached media
2493 status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_TOPO_CAP,
2498 pause_mask |= pcaps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE;
2499 pause_mask |= pcaps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE;
2502 pause_mask |= ICE_AQC_PHY_EN_TX_LINK_PAUSE;
2503 pause_mask |= ICE_AQC_PHY_EN_RX_LINK_PAUSE;
2505 case ICE_FC_RX_PAUSE:
2506 pause_mask |= ICE_AQC_PHY_EN_RX_LINK_PAUSE;
2508 case ICE_FC_TX_PAUSE:
2509 pause_mask |= ICE_AQC_PHY_EN_TX_LINK_PAUSE;
2515 /* clear the old pause settings */
2516 cfg->caps &= ~(ICE_AQC_PHY_EN_TX_LINK_PAUSE |
2517 ICE_AQC_PHY_EN_RX_LINK_PAUSE);
2519 /* set the new capabilities */
2520 cfg->caps |= pause_mask;
2523 ice_free(pi->hw, pcaps);
2529 * @pi: port information structure
2530 * @aq_failures: pointer to status code, specific to ice_set_fc routine
2531 * @ena_auto_link_update: enable automatic link update
2533 * Set the requested flow control mode.
2536 ice_set_fc(struct ice_port_info *pi, u8 *aq_failures, bool ena_auto_link_update)
2538 struct ice_aqc_set_phy_cfg_data cfg = { 0 };
2539 struct ice_aqc_get_phy_caps_data *pcaps;
2540 enum ice_status status;
2543 if (!pi || !aq_failures)
2544 return ICE_ERR_BAD_PTR;
2548 pcaps = (struct ice_aqc_get_phy_caps_data *)
2549 ice_malloc(hw, sizeof(*pcaps));
2551 return ICE_ERR_NO_MEMORY;
2553 /* Get the current PHY config */
2554 status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_SW_CFG, pcaps,
2557 *aq_failures = ICE_SET_FC_AQ_FAIL_GET;
2561 ice_copy_phy_caps_to_cfg(pi, pcaps, &cfg);
2563 /* Configure the set phy data */
2564 status = ice_cfg_phy_fc(pi, &cfg, pi->fc.req_mode);
2566 if (status != ICE_ERR_BAD_PTR)
2567 *aq_failures = ICE_SET_FC_AQ_FAIL_GET;
2572 /* If the capabilities have changed, then set the new config */
2573 if (cfg.caps != pcaps->caps) {
2574 int retry_count, retry_max = 10;
2576 /* Auto restart link so settings take effect */
2577 if (ena_auto_link_update)
2578 cfg.caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT;
2580 status = ice_aq_set_phy_cfg(hw, pi, &cfg, NULL);
2582 *aq_failures = ICE_SET_FC_AQ_FAIL_SET;
2586 /* Update the link info
2587 * It sometimes takes a really long time for link to
2588 * come back from the atomic reset. Thus, we wait a
2591 for (retry_count = 0; retry_count < retry_max; retry_count++) {
2592 status = ice_update_link_info(pi);
2594 if (status == ICE_SUCCESS)
2597 ice_msec_delay(100, true);
2601 *aq_failures = ICE_SET_FC_AQ_FAIL_UPDATE;
2605 ice_free(hw, pcaps);
2610 * ice_phy_caps_equals_cfg
2611 * @phy_caps: PHY capabilities
2612 * @phy_cfg: PHY configuration
2614 * Helper function to determine if PHY capabilities matches PHY
2618 ice_phy_caps_equals_cfg(struct ice_aqc_get_phy_caps_data *phy_caps,
2619 struct ice_aqc_set_phy_cfg_data *phy_cfg)
2621 u8 caps_mask, cfg_mask;
2623 if (!phy_caps || !phy_cfg)
2626 /* These bits are not common between capabilities and configuration.
2627 * Do not use them to determine equality.
2629 caps_mask = ICE_AQC_PHY_CAPS_MASK & ~(ICE_AQC_PHY_AN_MODE |
2630 ICE_AQC_PHY_EN_MOD_QUAL);
2631 cfg_mask = ICE_AQ_PHY_ENA_VALID_MASK & ~ICE_AQ_PHY_ENA_AUTO_LINK_UPDT;
2633 if (phy_caps->phy_type_low != phy_cfg->phy_type_low ||
2634 phy_caps->phy_type_high != phy_cfg->phy_type_high ||
2635 ((phy_caps->caps & caps_mask) != (phy_cfg->caps & cfg_mask)) ||
2636 phy_caps->low_power_ctrl_an != phy_cfg->low_power_ctrl_an ||
2637 phy_caps->eee_cap != phy_cfg->eee_cap ||
2638 phy_caps->eeer_value != phy_cfg->eeer_value ||
2639 phy_caps->link_fec_options != phy_cfg->link_fec_opt)
2646 * ice_copy_phy_caps_to_cfg - Copy PHY ability data to configuration data
2647 * @pi: port information structure
2648 * @caps: PHY ability structure to copy date from
2649 * @cfg: PHY configuration structure to copy data to
2651 * Helper function to copy AQC PHY get ability data to PHY set configuration
2655 ice_copy_phy_caps_to_cfg(struct ice_port_info *pi,
2656 struct ice_aqc_get_phy_caps_data *caps,
2657 struct ice_aqc_set_phy_cfg_data *cfg)
2659 if (!pi || !caps || !cfg)
2662 ice_memset(cfg, 0, sizeof(*cfg), ICE_NONDMA_MEM);
2663 cfg->phy_type_low = caps->phy_type_low;
2664 cfg->phy_type_high = caps->phy_type_high;
2665 cfg->caps = caps->caps;
2666 cfg->low_power_ctrl_an = caps->low_power_ctrl_an;
2667 cfg->eee_cap = caps->eee_cap;
2668 cfg->eeer_value = caps->eeer_value;
2669 cfg->link_fec_opt = caps->link_fec_options;
2670 cfg->module_compliance_enforcement =
2671 caps->module_compliance_enforcement;
2673 if (ice_fw_supports_link_override(pi->hw)) {
2674 struct ice_link_default_override_tlv tlv;
2676 if (ice_get_link_default_override(&tlv, pi))
2679 if (tlv.options & ICE_LINK_OVERRIDE_STRICT_MODE)
2680 cfg->module_compliance_enforcement |=
2681 ICE_LINK_OVERRIDE_STRICT_MODE;
2686 * ice_cfg_phy_fec - Configure PHY FEC data based on FEC mode
2687 * @pi: port information structure
2688 * @cfg: PHY configuration data to set FEC mode
2689 * @fec: FEC mode to configure
2692 ice_cfg_phy_fec(struct ice_port_info *pi, struct ice_aqc_set_phy_cfg_data *cfg,
2693 enum ice_fec_mode fec)
2695 struct ice_aqc_get_phy_caps_data *pcaps;
2696 enum ice_status status = ICE_SUCCESS;
2700 return ICE_ERR_BAD_PTR;
2704 pcaps = (struct ice_aqc_get_phy_caps_data *)
2705 ice_malloc(hw, sizeof(*pcaps));
2707 return ICE_ERR_NO_MEMORY;
2709 status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_TOPO_CAP, pcaps,
2716 /* Clear RS bits, and AND BASE-R ability
2717 * bits and OR request bits.
2719 cfg->link_fec_opt &= ICE_AQC_PHY_FEC_10G_KR_40G_KR4_EN |
2720 ICE_AQC_PHY_FEC_25G_KR_CLAUSE74_EN;
2721 cfg->link_fec_opt |= ICE_AQC_PHY_FEC_10G_KR_40G_KR4_REQ |
2722 ICE_AQC_PHY_FEC_25G_KR_REQ;
2725 /* Clear BASE-R bits, and AND RS ability
2726 * bits and OR request bits.
2728 cfg->link_fec_opt &= ICE_AQC_PHY_FEC_25G_RS_CLAUSE91_EN;
2729 cfg->link_fec_opt |= ICE_AQC_PHY_FEC_25G_RS_528_REQ |
2730 ICE_AQC_PHY_FEC_25G_RS_544_REQ;
2733 /* Clear all FEC option bits. */
2734 cfg->link_fec_opt &= ~ICE_AQC_PHY_FEC_MASK;
2737 /* AND auto FEC bit, and all caps bits. */
2738 cfg->caps &= ICE_AQC_PHY_CAPS_MASK;
2739 cfg->link_fec_opt |= pcaps->link_fec_options;
2742 status = ICE_ERR_PARAM;
2746 if (fec == ICE_FEC_AUTO && ice_fw_supports_link_override(pi->hw)) {
2747 struct ice_link_default_override_tlv tlv;
2749 if (ice_get_link_default_override(&tlv, pi))
2752 if (!(tlv.options & ICE_LINK_OVERRIDE_STRICT_MODE) &&
2753 (tlv.options & ICE_LINK_OVERRIDE_EN))
2754 cfg->link_fec_opt = tlv.fec_options;
2758 ice_free(hw, pcaps);
2764 * ice_get_link_status - get status of the HW network link
2765 * @pi: port information structure
2766 * @link_up: pointer to bool (true/false = linkup/linkdown)
2768 * Variable link_up is true if link is up, false if link is down.
2769 * The variable link_up is invalid if status is non zero. As a
2770 * result of this call, link status reporting becomes enabled
2772 enum ice_status ice_get_link_status(struct ice_port_info *pi, bool *link_up)
2774 struct ice_phy_info *phy_info;
2775 enum ice_status status = ICE_SUCCESS;
2777 if (!pi || !link_up)
2778 return ICE_ERR_PARAM;
2780 phy_info = &pi->phy;
2782 if (phy_info->get_link_info) {
2783 status = ice_update_link_info(pi);
2786 ice_debug(pi->hw, ICE_DBG_LINK,
2787 "get link status error, status = %d\n",
2791 *link_up = phy_info->link_info.link_info & ICE_AQ_LINK_UP;
2797 * ice_aq_set_link_restart_an
2798 * @pi: pointer to the port information structure
2799 * @ena_link: if true: enable link, if false: disable link
2800 * @cd: pointer to command details structure or NULL
2802 * Sets up the link and restarts the Auto-Negotiation over the link.
2805 ice_aq_set_link_restart_an(struct ice_port_info *pi, bool ena_link,
2806 struct ice_sq_cd *cd)
2808 struct ice_aqc_restart_an *cmd;
2809 struct ice_aq_desc desc;
2811 cmd = &desc.params.restart_an;
2813 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_restart_an);
2815 cmd->cmd_flags = ICE_AQC_RESTART_AN_LINK_RESTART;
2816 cmd->lport_num = pi->lport;
2818 cmd->cmd_flags |= ICE_AQC_RESTART_AN_LINK_ENABLE;
2820 cmd->cmd_flags &= ~ICE_AQC_RESTART_AN_LINK_ENABLE;
2822 return ice_aq_send_cmd(pi->hw, &desc, NULL, 0, cd);
2826 * ice_aq_set_event_mask
2827 * @hw: pointer to the HW struct
2828 * @port_num: port number of the physical function
2829 * @mask: event mask to be set
2830 * @cd: pointer to command details structure or NULL
2832 * Set event mask (0x0613)
2835 ice_aq_set_event_mask(struct ice_hw *hw, u8 port_num, u16 mask,
2836 struct ice_sq_cd *cd)
2838 struct ice_aqc_set_event_mask *cmd;
2839 struct ice_aq_desc desc;
2841 cmd = &desc.params.set_event_mask;
2843 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_event_mask);
2845 cmd->lport_num = port_num;
2847 cmd->event_mask = CPU_TO_LE16(mask);
2848 return ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
2852 * ice_aq_set_mac_loopback
2853 * @hw: pointer to the HW struct
2854 * @ena_lpbk: Enable or Disable loopback
2855 * @cd: pointer to command details structure or NULL
2857 * Enable/disable loopback on a given port
2860 ice_aq_set_mac_loopback(struct ice_hw *hw, bool ena_lpbk, struct ice_sq_cd *cd)
2862 struct ice_aqc_set_mac_lb *cmd;
2863 struct ice_aq_desc desc;
2865 cmd = &desc.params.set_mac_lb;
2867 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_mac_lb);
2869 cmd->lb_mode = ICE_AQ_MAC_LB_EN;
2871 return ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
2875 * ice_aq_set_port_id_led
2876 * @pi: pointer to the port information
2877 * @is_orig_mode: is this LED set to original mode (by the net-list)
2878 * @cd: pointer to command details structure or NULL
2880 * Set LED value for the given port (0x06e9)
2883 ice_aq_set_port_id_led(struct ice_port_info *pi, bool is_orig_mode,
2884 struct ice_sq_cd *cd)
2886 struct ice_aqc_set_port_id_led *cmd;
2887 struct ice_hw *hw = pi->hw;
2888 struct ice_aq_desc desc;
2890 cmd = &desc.params.set_port_id_led;
2892 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_port_id_led);
2895 cmd->ident_mode = ICE_AQC_PORT_IDENT_LED_ORIG;
2897 cmd->ident_mode = ICE_AQC_PORT_IDENT_LED_BLINK;
2899 return ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
2904 * @hw: pointer to the HW struct
2905 * @lport: bits [7:0] = logical port, bit [8] = logical port valid
2906 * @bus_addr: I2C bus address of the eeprom (typically 0xA0, 0=topo default)
2907 * @mem_addr: I2C offset. lower 8 bits for address, 8 upper bits zero padding.
2909 * @set_page: set or ignore the page
2910 * @data: pointer to data buffer to be read/written to the I2C device.
2911 * @length: 1-16 for read, 1 for write.
2912 * @write: 0 read, 1 for write.
2913 * @cd: pointer to command details structure or NULL
2915 * Read/Write SFF EEPROM (0x06EE)
2918 ice_aq_sff_eeprom(struct ice_hw *hw, u16 lport, u8 bus_addr,
2919 u16 mem_addr, u8 page, u8 set_page, u8 *data, u8 length,
2920 bool write, struct ice_sq_cd *cd)
2922 struct ice_aqc_sff_eeprom *cmd;
2923 struct ice_aq_desc desc;
2924 enum ice_status status;
2926 if (!data || (mem_addr & 0xff00))
2927 return ICE_ERR_PARAM;
2929 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_sff_eeprom);
2930 cmd = &desc.params.read_write_sff_param;
2931 desc.flags = CPU_TO_LE16(ICE_AQ_FLAG_RD | ICE_AQ_FLAG_BUF);
2932 cmd->lport_num = (u8)(lport & 0xff);
2933 cmd->lport_num_valid = (u8)((lport >> 8) & 0x01);
2934 cmd->i2c_bus_addr = CPU_TO_LE16(((bus_addr >> 1) &
2935 ICE_AQC_SFF_I2CBUS_7BIT_M) |
2937 ICE_AQC_SFF_SET_EEPROM_PAGE_S) &
2938 ICE_AQC_SFF_SET_EEPROM_PAGE_M));
2939 cmd->i2c_mem_addr = CPU_TO_LE16(mem_addr & 0xff);
2940 cmd->eeprom_page = CPU_TO_LE16((u16)page << ICE_AQC_SFF_EEPROM_PAGE_S);
2942 cmd->i2c_bus_addr |= CPU_TO_LE16(ICE_AQC_SFF_IS_WRITE);
2944 status = ice_aq_send_cmd(hw, &desc, data, length, cd);
2949 * __ice_aq_get_set_rss_lut
2950 * @hw: pointer to the hardware structure
2951 * @vsi_id: VSI FW index
2952 * @lut_type: LUT table type
2953 * @lut: pointer to the LUT buffer provided by the caller
2954 * @lut_size: size of the LUT buffer
2955 * @glob_lut_idx: global LUT index
2956 * @set: set true to set the table, false to get the table
2958 * Internal function to get (0x0B05) or set (0x0B03) RSS look up table
2960 static enum ice_status
2961 __ice_aq_get_set_rss_lut(struct ice_hw *hw, u16 vsi_id, u8 lut_type, u8 *lut,
2962 u16 lut_size, u8 glob_lut_idx, bool set)
2964 struct ice_aqc_get_set_rss_lut *cmd_resp;
2965 struct ice_aq_desc desc;
2966 enum ice_status status;
2969 cmd_resp = &desc.params.get_set_rss_lut;
2972 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_rss_lut);
2973 desc.flags |= CPU_TO_LE16(ICE_AQ_FLAG_RD);
2975 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_rss_lut);
2978 cmd_resp->vsi_id = CPU_TO_LE16(((vsi_id <<
2979 ICE_AQC_GSET_RSS_LUT_VSI_ID_S) &
2980 ICE_AQC_GSET_RSS_LUT_VSI_ID_M) |
2981 ICE_AQC_GSET_RSS_LUT_VSI_VALID);
2984 case ICE_AQC_GSET_RSS_LUT_TABLE_TYPE_VSI:
2985 case ICE_AQC_GSET_RSS_LUT_TABLE_TYPE_PF:
2986 case ICE_AQC_GSET_RSS_LUT_TABLE_TYPE_GLOBAL:
2987 flags |= ((lut_type << ICE_AQC_GSET_RSS_LUT_TABLE_TYPE_S) &
2988 ICE_AQC_GSET_RSS_LUT_TABLE_TYPE_M);
2991 status = ICE_ERR_PARAM;
2992 goto ice_aq_get_set_rss_lut_exit;
2995 if (lut_type == ICE_AQC_GSET_RSS_LUT_TABLE_TYPE_GLOBAL) {
2996 flags |= ((glob_lut_idx << ICE_AQC_GSET_RSS_LUT_GLOBAL_IDX_S) &
2997 ICE_AQC_GSET_RSS_LUT_GLOBAL_IDX_M);
3000 goto ice_aq_get_set_rss_lut_send;
3001 } else if (lut_type == ICE_AQC_GSET_RSS_LUT_TABLE_TYPE_PF) {
3003 goto ice_aq_get_set_rss_lut_send;
3005 goto ice_aq_get_set_rss_lut_send;
3008 /* LUT size is only valid for Global and PF table types */
3010 case ICE_AQC_GSET_RSS_LUT_TABLE_SIZE_128:
3011 flags |= (ICE_AQC_GSET_RSS_LUT_TABLE_SIZE_128_FLAG <<
3012 ICE_AQC_GSET_RSS_LUT_TABLE_SIZE_S) &
3013 ICE_AQC_GSET_RSS_LUT_TABLE_SIZE_M;
3015 case ICE_AQC_GSET_RSS_LUT_TABLE_SIZE_512:
3016 flags |= (ICE_AQC_GSET_RSS_LUT_TABLE_SIZE_512_FLAG <<
3017 ICE_AQC_GSET_RSS_LUT_TABLE_SIZE_S) &
3018 ICE_AQC_GSET_RSS_LUT_TABLE_SIZE_M;
3020 case ICE_AQC_GSET_RSS_LUT_TABLE_SIZE_2K:
3021 if (lut_type == ICE_AQC_GSET_RSS_LUT_TABLE_TYPE_PF) {
3022 flags |= (ICE_AQC_GSET_RSS_LUT_TABLE_SIZE_2K_FLAG <<
3023 ICE_AQC_GSET_RSS_LUT_TABLE_SIZE_S) &
3024 ICE_AQC_GSET_RSS_LUT_TABLE_SIZE_M;
3029 status = ICE_ERR_PARAM;
3030 goto ice_aq_get_set_rss_lut_exit;
3033 ice_aq_get_set_rss_lut_send:
3034 cmd_resp->flags = CPU_TO_LE16(flags);
3035 status = ice_aq_send_cmd(hw, &desc, lut, lut_size, NULL);
3037 ice_aq_get_set_rss_lut_exit:
3042 * ice_aq_get_rss_lut
3043 * @hw: pointer to the hardware structure
3044 * @vsi_handle: software VSI handle
3045 * @lut_type: LUT table type
3046 * @lut: pointer to the LUT buffer provided by the caller
3047 * @lut_size: size of the LUT buffer
3049 * get the RSS lookup table, PF or VSI type
3052 ice_aq_get_rss_lut(struct ice_hw *hw, u16 vsi_handle, u8 lut_type,
3053 u8 *lut, u16 lut_size)
3055 if (!ice_is_vsi_valid(hw, vsi_handle) || !lut)
3056 return ICE_ERR_PARAM;
3058 return __ice_aq_get_set_rss_lut(hw, ice_get_hw_vsi_num(hw, vsi_handle),
3059 lut_type, lut, lut_size, 0, false);
3063 * ice_aq_set_rss_lut
3064 * @hw: pointer to the hardware structure
3065 * @vsi_handle: software VSI handle
3066 * @lut_type: LUT table type
3067 * @lut: pointer to the LUT buffer provided by the caller
3068 * @lut_size: size of the LUT buffer
3070 * set the RSS lookup table, PF or VSI type
3073 ice_aq_set_rss_lut(struct ice_hw *hw, u16 vsi_handle, u8 lut_type,
3074 u8 *lut, u16 lut_size)
3076 if (!ice_is_vsi_valid(hw, vsi_handle) || !lut)
3077 return ICE_ERR_PARAM;
3079 return __ice_aq_get_set_rss_lut(hw, ice_get_hw_vsi_num(hw, vsi_handle),
3080 lut_type, lut, lut_size, 0, true);
3084 * __ice_aq_get_set_rss_key
3085 * @hw: pointer to the HW struct
3086 * @vsi_id: VSI FW index
3087 * @key: pointer to key info struct
3088 * @set: set true to set the key, false to get the key
3090 * get (0x0B04) or set (0x0B02) the RSS key per VSI
3093 ice_status __ice_aq_get_set_rss_key(struct ice_hw *hw, u16 vsi_id,
3094 struct ice_aqc_get_set_rss_keys *key,
3097 struct ice_aqc_get_set_rss_key *cmd_resp;
3098 u16 key_size = sizeof(*key);
3099 struct ice_aq_desc desc;
3101 cmd_resp = &desc.params.get_set_rss_key;
3104 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_rss_key);
3105 desc.flags |= CPU_TO_LE16(ICE_AQ_FLAG_RD);
3107 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_rss_key);
3110 cmd_resp->vsi_id = CPU_TO_LE16(((vsi_id <<
3111 ICE_AQC_GSET_RSS_KEY_VSI_ID_S) &
3112 ICE_AQC_GSET_RSS_KEY_VSI_ID_M) |
3113 ICE_AQC_GSET_RSS_KEY_VSI_VALID);
3115 return ice_aq_send_cmd(hw, &desc, key, key_size, NULL);
3119 * ice_aq_get_rss_key
3120 * @hw: pointer to the HW struct
3121 * @vsi_handle: software VSI handle
3122 * @key: pointer to key info struct
3124 * get the RSS key per VSI
3127 ice_aq_get_rss_key(struct ice_hw *hw, u16 vsi_handle,
3128 struct ice_aqc_get_set_rss_keys *key)
3130 if (!ice_is_vsi_valid(hw, vsi_handle) || !key)
3131 return ICE_ERR_PARAM;
3133 return __ice_aq_get_set_rss_key(hw, ice_get_hw_vsi_num(hw, vsi_handle),
3138 * ice_aq_set_rss_key
3139 * @hw: pointer to the HW struct
3140 * @vsi_handle: software VSI handle
3141 * @keys: pointer to key info struct
3143 * set the RSS key per VSI
3146 ice_aq_set_rss_key(struct ice_hw *hw, u16 vsi_handle,
3147 struct ice_aqc_get_set_rss_keys *keys)
3149 if (!ice_is_vsi_valid(hw, vsi_handle) || !keys)
3150 return ICE_ERR_PARAM;
3152 return __ice_aq_get_set_rss_key(hw, ice_get_hw_vsi_num(hw, vsi_handle),
3157 * ice_aq_add_lan_txq
3158 * @hw: pointer to the hardware structure
3159 * @num_qgrps: Number of added queue groups
3160 * @qg_list: list of queue groups to be added
3161 * @buf_size: size of buffer for indirect command
3162 * @cd: pointer to command details structure or NULL
3164 * Add Tx LAN queue (0x0C30)
3167 * Prior to calling add Tx LAN queue:
3168 * Initialize the following as part of the Tx queue context:
3169 * Completion queue ID if the queue uses Completion queue, Quanta profile,
3170 * Cache profile and Packet shaper profile.
3172 * After add Tx LAN queue AQ command is completed:
3173 * Interrupts should be associated with specific queues,
3174 * Association of Tx queue to Doorbell queue is not part of Add LAN Tx queue
3178 ice_aq_add_lan_txq(struct ice_hw *hw, u8 num_qgrps,
3179 struct ice_aqc_add_tx_qgrp *qg_list, u16 buf_size,
3180 struct ice_sq_cd *cd)
3182 u16 i, sum_header_size, sum_q_size = 0;
3183 struct ice_aqc_add_tx_qgrp *list;
3184 struct ice_aqc_add_txqs *cmd;
3185 struct ice_aq_desc desc;
3187 ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__);
3189 cmd = &desc.params.add_txqs;
3191 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_add_txqs);
3194 return ICE_ERR_PARAM;
3196 if (num_qgrps > ICE_LAN_TXQ_MAX_QGRPS)
3197 return ICE_ERR_PARAM;
3199 sum_header_size = num_qgrps *
3200 (sizeof(*qg_list) - sizeof(*qg_list->txqs));
3203 for (i = 0; i < num_qgrps; i++) {
3204 struct ice_aqc_add_txqs_perq *q = list->txqs;
3206 sum_q_size += list->num_txqs * sizeof(*q);
3207 list = (struct ice_aqc_add_tx_qgrp *)(q + list->num_txqs);
3210 if (buf_size != (sum_header_size + sum_q_size))
3211 return ICE_ERR_PARAM;
3213 desc.flags |= CPU_TO_LE16(ICE_AQ_FLAG_RD);
3215 cmd->num_qgrps = num_qgrps;
3217 return ice_aq_send_cmd(hw, &desc, qg_list, buf_size, cd);
3221 * ice_aq_dis_lan_txq
3222 * @hw: pointer to the hardware structure
3223 * @num_qgrps: number of groups in the list
3224 * @qg_list: the list of groups to disable
3225 * @buf_size: the total size of the qg_list buffer in bytes
3226 * @rst_src: if called due to reset, specifies the reset source
3227 * @vmvf_num: the relative VM or VF number that is undergoing the reset
3228 * @cd: pointer to command details structure or NULL
3230 * Disable LAN Tx queue (0x0C31)
3232 static enum ice_status
3233 ice_aq_dis_lan_txq(struct ice_hw *hw, u8 num_qgrps,
3234 struct ice_aqc_dis_txq_item *qg_list, u16 buf_size,
3235 enum ice_disq_rst_src rst_src, u16 vmvf_num,
3236 struct ice_sq_cd *cd)
3238 struct ice_aqc_dis_txqs *cmd;
3239 struct ice_aq_desc desc;
3240 enum ice_status status;
3243 ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__);
3244 cmd = &desc.params.dis_txqs;
3245 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_dis_txqs);
3247 /* qg_list can be NULL only in VM/VF reset flow */
3248 if (!qg_list && !rst_src)
3249 return ICE_ERR_PARAM;
3251 if (num_qgrps > ICE_LAN_TXQ_MAX_QGRPS)
3252 return ICE_ERR_PARAM;
3254 cmd->num_entries = num_qgrps;
3256 cmd->vmvf_and_timeout = CPU_TO_LE16((5 << ICE_AQC_Q_DIS_TIMEOUT_S) &
3257 ICE_AQC_Q_DIS_TIMEOUT_M);
3261 cmd->cmd_type = ICE_AQC_Q_DIS_CMD_VM_RESET;
3262 cmd->vmvf_and_timeout |=
3263 CPU_TO_LE16(vmvf_num & ICE_AQC_Q_DIS_VMVF_NUM_M);
3270 /* flush pipe on time out */
3271 cmd->cmd_type |= ICE_AQC_Q_DIS_CMD_FLUSH_PIPE;
3272 /* If no queue group info, we are in a reset flow. Issue the AQ */
3276 /* set RD bit to indicate that command buffer is provided by the driver
3277 * and it needs to be read by the firmware
3279 desc.flags |= CPU_TO_LE16(ICE_AQ_FLAG_RD);
3281 for (i = 0; i < num_qgrps; ++i) {
3282 /* Calculate the size taken up by the queue IDs in this group */
3283 sz += qg_list[i].num_qs * sizeof(qg_list[i].q_id);
3285 /* Add the size of the group header */
3286 sz += sizeof(qg_list[i]) - sizeof(qg_list[i].q_id);
3288 /* If the num of queues is even, add 2 bytes of padding */
3289 if ((qg_list[i].num_qs % 2) == 0)
3294 return ICE_ERR_PARAM;
3297 status = ice_aq_send_cmd(hw, &desc, qg_list, buf_size, cd);
3300 ice_debug(hw, ICE_DBG_SCHED, "VM%d disable failed %d\n",
3301 vmvf_num, hw->adminq.sq_last_status);
3303 ice_debug(hw, ICE_DBG_SCHED, "disable queue %d failed %d\n",
3304 LE16_TO_CPU(qg_list[0].q_id[0]),
3305 hw->adminq.sq_last_status);
3311 * ice_aq_move_recfg_lan_txq
3312 * @hw: pointer to the hardware structure
3313 * @num_qs: number of queues to move/reconfigure
3314 * @is_move: true if this operation involves node movement
3315 * @is_tc_change: true if this operation involves a TC change
3316 * @subseq_call: true if this operation is a subsequent call
3317 * @flush_pipe: on timeout, true to flush pipe, false to return EAGAIN
3318 * @timeout: timeout in units of 100 usec (valid values 0-50)
3319 * @blocked_cgds: out param, bitmap of CGDs that timed out if returning EAGAIN
3320 * @buf: struct containing src/dest TEID and per-queue info
3321 * @buf_size: size of buffer for indirect command
3322 * @txqs_moved: out param, number of queues successfully moved
3323 * @cd: pointer to command details structure or NULL
3325 * Move / Reconfigure Tx LAN queues (0x0C32)
3328 ice_aq_move_recfg_lan_txq(struct ice_hw *hw, u8 num_qs, bool is_move,
3329 bool is_tc_change, bool subseq_call, bool flush_pipe,
3330 u8 timeout, u32 *blocked_cgds,
3331 struct ice_aqc_move_txqs_data *buf, u16 buf_size,
3332 u8 *txqs_moved, struct ice_sq_cd *cd)
3334 struct ice_aqc_move_txqs *cmd;
3335 struct ice_aq_desc desc;
3336 enum ice_status status;
3338 cmd = &desc.params.move_txqs;
3339 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_move_recfg_txqs);
3341 #define ICE_LAN_TXQ_MOVE_TIMEOUT_MAX 50
3342 if (timeout > ICE_LAN_TXQ_MOVE_TIMEOUT_MAX)
3343 return ICE_ERR_PARAM;
3345 if (is_tc_change && !flush_pipe && !blocked_cgds)
3346 return ICE_ERR_PARAM;
3348 if (!is_move && !is_tc_change)
3349 return ICE_ERR_PARAM;
3351 desc.flags |= CPU_TO_LE16(ICE_AQ_FLAG_RD);
3354 cmd->cmd_type |= ICE_AQC_Q_CMD_TYPE_MOVE;
3357 cmd->cmd_type |= ICE_AQC_Q_CMD_TYPE_TC_CHANGE;
3360 cmd->cmd_type |= ICE_AQC_Q_CMD_SUBSEQ_CALL;
3363 cmd->cmd_type |= ICE_AQC_Q_CMD_FLUSH_PIPE;
3365 cmd->num_qs = num_qs;
3366 cmd->timeout = ((timeout << ICE_AQC_Q_CMD_TIMEOUT_S) &
3367 ICE_AQC_Q_CMD_TIMEOUT_M);
3369 status = ice_aq_send_cmd(hw, &desc, buf, buf_size, cd);
3371 if (!status && txqs_moved)
3372 *txqs_moved = cmd->num_qs;
3374 if (hw->adminq.sq_last_status == ICE_AQ_RC_EAGAIN &&
3375 is_tc_change && !flush_pipe)
3376 *blocked_cgds = LE32_TO_CPU(cmd->blocked_cgds);
3381 /* End of FW Admin Queue command wrappers */
3384 * ice_write_byte - write a byte to a packed context structure
3385 * @src_ctx: the context structure to read from
3386 * @dest_ctx: the context to be written to
3387 * @ce_info: a description of the struct to be filled
3390 ice_write_byte(u8 *src_ctx, u8 *dest_ctx, const struct ice_ctx_ele *ce_info)
3392 u8 src_byte, dest_byte, mask;
3396 /* copy from the next struct field */
3397 from = src_ctx + ce_info->offset;
3399 /* prepare the bits and mask */
3400 shift_width = ce_info->lsb % 8;
3401 mask = (u8)(BIT(ce_info->width) - 1);
3406 /* shift to correct alignment */
3407 mask <<= shift_width;
3408 src_byte <<= shift_width;
3410 /* get the current bits from the target bit string */
3411 dest = dest_ctx + (ce_info->lsb / 8);
3413 ice_memcpy(&dest_byte, dest, sizeof(dest_byte), ICE_DMA_TO_NONDMA);
3415 dest_byte &= ~mask; /* get the bits not changing */
3416 dest_byte |= src_byte; /* add in the new bits */
3418 /* put it all back */
3419 ice_memcpy(dest, &dest_byte, sizeof(dest_byte), ICE_NONDMA_TO_DMA);
3423 * ice_write_word - write a word to a packed context structure
3424 * @src_ctx: the context structure to read from
3425 * @dest_ctx: the context to be written to
3426 * @ce_info: a description of the struct to be filled
3429 ice_write_word(u8 *src_ctx, u8 *dest_ctx, const struct ice_ctx_ele *ce_info)
3436 /* copy from the next struct field */
3437 from = src_ctx + ce_info->offset;
3439 /* prepare the bits and mask */
3440 shift_width = ce_info->lsb % 8;
3441 mask = BIT(ce_info->width) - 1;
3443 /* don't swizzle the bits until after the mask because the mask bits
3444 * will be in a different bit position on big endian machines
3446 src_word = *(u16 *)from;
3449 /* shift to correct alignment */
3450 mask <<= shift_width;
3451 src_word <<= shift_width;
3453 /* get the current bits from the target bit string */
3454 dest = dest_ctx + (ce_info->lsb / 8);
3456 ice_memcpy(&dest_word, dest, sizeof(dest_word), ICE_DMA_TO_NONDMA);
3458 dest_word &= ~(CPU_TO_LE16(mask)); /* get the bits not changing */
3459 dest_word |= CPU_TO_LE16(src_word); /* add in the new bits */
3461 /* put it all back */
3462 ice_memcpy(dest, &dest_word, sizeof(dest_word), ICE_NONDMA_TO_DMA);
3466 * ice_write_dword - write a dword to a packed context structure
3467 * @src_ctx: the context structure to read from
3468 * @dest_ctx: the context to be written to
3469 * @ce_info: a description of the struct to be filled
3472 ice_write_dword(u8 *src_ctx, u8 *dest_ctx, const struct ice_ctx_ele *ce_info)
3474 u32 src_dword, mask;
3479 /* copy from the next struct field */
3480 from = src_ctx + ce_info->offset;
3482 /* prepare the bits and mask */
3483 shift_width = ce_info->lsb % 8;
3485 /* if the field width is exactly 32 on an x86 machine, then the shift
3486 * operation will not work because the SHL instructions count is masked
3487 * to 5 bits so the shift will do nothing
3489 if (ce_info->width < 32)
3490 mask = BIT(ce_info->width) - 1;
3494 /* don't swizzle the bits until after the mask because the mask bits
3495 * will be in a different bit position on big endian machines
3497 src_dword = *(u32 *)from;
3500 /* shift to correct alignment */
3501 mask <<= shift_width;
3502 src_dword <<= shift_width;
3504 /* get the current bits from the target bit string */
3505 dest = dest_ctx + (ce_info->lsb / 8);
3507 ice_memcpy(&dest_dword, dest, sizeof(dest_dword), ICE_DMA_TO_NONDMA);
3509 dest_dword &= ~(CPU_TO_LE32(mask)); /* get the bits not changing */
3510 dest_dword |= CPU_TO_LE32(src_dword); /* add in the new bits */
3512 /* put it all back */
3513 ice_memcpy(dest, &dest_dword, sizeof(dest_dword), ICE_NONDMA_TO_DMA);
3517 * ice_write_qword - write a qword to a packed context structure
3518 * @src_ctx: the context structure to read from
3519 * @dest_ctx: the context to be written to
3520 * @ce_info: a description of the struct to be filled
3523 ice_write_qword(u8 *src_ctx, u8 *dest_ctx, const struct ice_ctx_ele *ce_info)
3525 u64 src_qword, mask;
3530 /* copy from the next struct field */
3531 from = src_ctx + ce_info->offset;
3533 /* prepare the bits and mask */
3534 shift_width = ce_info->lsb % 8;
3536 /* if the field width is exactly 64 on an x86 machine, then the shift
3537 * operation will not work because the SHL instructions count is masked
3538 * to 6 bits so the shift will do nothing
3540 if (ce_info->width < 64)
3541 mask = BIT_ULL(ce_info->width) - 1;
3545 /* don't swizzle the bits until after the mask because the mask bits
3546 * will be in a different bit position on big endian machines
3548 src_qword = *(u64 *)from;
3551 /* shift to correct alignment */
3552 mask <<= shift_width;
3553 src_qword <<= shift_width;
3555 /* get the current bits from the target bit string */
3556 dest = dest_ctx + (ce_info->lsb / 8);
3558 ice_memcpy(&dest_qword, dest, sizeof(dest_qword), ICE_DMA_TO_NONDMA);
3560 dest_qword &= ~(CPU_TO_LE64(mask)); /* get the bits not changing */
3561 dest_qword |= CPU_TO_LE64(src_qword); /* add in the new bits */
3563 /* put it all back */
3564 ice_memcpy(dest, &dest_qword, sizeof(dest_qword), ICE_NONDMA_TO_DMA);
3568 * ice_set_ctx - set context bits in packed structure
3569 * @hw: pointer to the hardware structure
3570 * @src_ctx: pointer to a generic non-packed context structure
3571 * @dest_ctx: pointer to memory for the packed structure
3572 * @ce_info: a description of the structure to be transformed
3575 ice_set_ctx(struct ice_hw *hw, u8 *src_ctx, u8 *dest_ctx,
3576 const struct ice_ctx_ele *ce_info)
3580 for (f = 0; ce_info[f].width; f++) {
3581 /* We have to deal with each element of the FW response
3582 * using the correct size so that we are correct regardless
3583 * of the endianness of the machine.
3585 if (ce_info[f].width > (ce_info[f].size_of * BITS_PER_BYTE)) {
3586 ice_debug(hw, ICE_DBG_QCTX,
3587 "Field %d width of %d bits larger than size of %d byte(s) ... skipping write\n",
3588 f, ce_info[f].width, ce_info[f].size_of);
3591 switch (ce_info[f].size_of) {
3593 ice_write_byte(src_ctx, dest_ctx, &ce_info[f]);
3596 ice_write_word(src_ctx, dest_ctx, &ce_info[f]);
3599 ice_write_dword(src_ctx, dest_ctx, &ce_info[f]);
3602 ice_write_qword(src_ctx, dest_ctx, &ce_info[f]);
3605 return ICE_ERR_INVAL_SIZE;
3613 * ice_read_byte - read context byte into struct
3614 * @src_ctx: the context structure to read from
3615 * @dest_ctx: the context to be written to
3616 * @ce_info: a description of the struct to be filled
3619 ice_read_byte(u8 *src_ctx, u8 *dest_ctx, struct ice_ctx_ele *ce_info)
3625 /* prepare the bits and mask */
3626 shift_width = ce_info->lsb % 8;
3627 mask = (u8)(BIT(ce_info->width) - 1);
3629 /* shift to correct alignment */
3630 mask <<= shift_width;
3632 /* get the current bits from the src bit string */
3633 src = src_ctx + (ce_info->lsb / 8);
3635 ice_memcpy(&dest_byte, src, sizeof(dest_byte), ICE_DMA_TO_NONDMA);
3637 dest_byte &= ~(mask);
3639 dest_byte >>= shift_width;
3641 /* get the address from the struct field */
3642 target = dest_ctx + ce_info->offset;
3644 /* put it back in the struct */
3645 ice_memcpy(target, &dest_byte, sizeof(dest_byte), ICE_NONDMA_TO_DMA);
3649 * ice_read_word - read context word into struct
3650 * @src_ctx: the context structure to read from
3651 * @dest_ctx: the context to be written to
3652 * @ce_info: a description of the struct to be filled
3655 ice_read_word(u8 *src_ctx, u8 *dest_ctx, struct ice_ctx_ele *ce_info)
3657 u16 dest_word, mask;
3662 /* prepare the bits and mask */
3663 shift_width = ce_info->lsb % 8;
3664 mask = BIT(ce_info->width) - 1;
3666 /* shift to correct alignment */
3667 mask <<= shift_width;
3669 /* get the current bits from the src bit string */
3670 src = src_ctx + (ce_info->lsb / 8);
3672 ice_memcpy(&src_word, src, sizeof(src_word), ICE_DMA_TO_NONDMA);
3674 /* the data in the memory is stored as little endian so mask it
3677 src_word &= ~(CPU_TO_LE16(mask));
3679 /* get the data back into host order before shifting */
3680 dest_word = LE16_TO_CPU(src_word);
3682 dest_word >>= shift_width;
3684 /* get the address from the struct field */
3685 target = dest_ctx + ce_info->offset;
3687 /* put it back in the struct */
3688 ice_memcpy(target, &dest_word, sizeof(dest_word), ICE_NONDMA_TO_DMA);
3692 * ice_read_dword - read context dword into struct
3693 * @src_ctx: the context structure to read from
3694 * @dest_ctx: the context to be written to
3695 * @ce_info: a description of the struct to be filled
3698 ice_read_dword(u8 *src_ctx, u8 *dest_ctx, struct ice_ctx_ele *ce_info)
3700 u32 dest_dword, mask;
3705 /* prepare the bits and mask */
3706 shift_width = ce_info->lsb % 8;
3708 /* if the field width is exactly 32 on an x86 machine, then the shift
3709 * operation will not work because the SHL instructions count is masked
3710 * to 5 bits so the shift will do nothing
3712 if (ce_info->width < 32)
3713 mask = BIT(ce_info->width) - 1;
3717 /* shift to correct alignment */
3718 mask <<= shift_width;
3720 /* get the current bits from the src bit string */
3721 src = src_ctx + (ce_info->lsb / 8);
3723 ice_memcpy(&src_dword, src, sizeof(src_dword), ICE_DMA_TO_NONDMA);
3725 /* the data in the memory is stored as little endian so mask it
3728 src_dword &= ~(CPU_TO_LE32(mask));
3730 /* get the data back into host order before shifting */
3731 dest_dword = LE32_TO_CPU(src_dword);
3733 dest_dword >>= shift_width;
3735 /* get the address from the struct field */
3736 target = dest_ctx + ce_info->offset;
3738 /* put it back in the struct */
3739 ice_memcpy(target, &dest_dword, sizeof(dest_dword), ICE_NONDMA_TO_DMA);
3743 * ice_read_qword - read context qword into struct
3744 * @src_ctx: the context structure to read from
3745 * @dest_ctx: the context to be written to
3746 * @ce_info: a description of the struct to be filled
3749 ice_read_qword(u8 *src_ctx, u8 *dest_ctx, struct ice_ctx_ele *ce_info)
3751 u64 dest_qword, mask;
3756 /* prepare the bits and mask */
3757 shift_width = ce_info->lsb % 8;
3759 /* if the field width is exactly 64 on an x86 machine, then the shift
3760 * operation will not work because the SHL instructions count is masked
3761 * to 6 bits so the shift will do nothing
3763 if (ce_info->width < 64)
3764 mask = BIT_ULL(ce_info->width) - 1;
3768 /* shift to correct alignment */
3769 mask <<= shift_width;
3771 /* get the current bits from the src bit string */
3772 src = src_ctx + (ce_info->lsb / 8);
3774 ice_memcpy(&src_qword, src, sizeof(src_qword), ICE_DMA_TO_NONDMA);
3776 /* the data in the memory is stored as little endian so mask it
3779 src_qword &= ~(CPU_TO_LE64(mask));
3781 /* get the data back into host order before shifting */
3782 dest_qword = LE64_TO_CPU(src_qword);
3784 dest_qword >>= shift_width;
3786 /* get the address from the struct field */
3787 target = dest_ctx + ce_info->offset;
3789 /* put it back in the struct */
3790 ice_memcpy(target, &dest_qword, sizeof(dest_qword), ICE_NONDMA_TO_DMA);
3794 * ice_get_ctx - extract context bits from a packed structure
3795 * @src_ctx: pointer to a generic packed context structure
3796 * @dest_ctx: pointer to a generic non-packed context structure
3797 * @ce_info: a description of the structure to be read from
3800 ice_get_ctx(u8 *src_ctx, u8 *dest_ctx, struct ice_ctx_ele *ce_info)
3804 for (f = 0; ce_info[f].width; f++) {
3805 switch (ce_info[f].size_of) {
3807 ice_read_byte(src_ctx, dest_ctx, &ce_info[f]);
3810 ice_read_word(src_ctx, dest_ctx, &ce_info[f]);
3813 ice_read_dword(src_ctx, dest_ctx, &ce_info[f]);
3816 ice_read_qword(src_ctx, dest_ctx, &ce_info[f]);
3819 /* nothing to do, just keep going */
3828 * ice_get_lan_q_ctx - get the LAN queue context for the given VSI and TC
3829 * @hw: pointer to the HW struct
3830 * @vsi_handle: software VSI handle
3832 * @q_handle: software queue handle
3835 ice_get_lan_q_ctx(struct ice_hw *hw, u16 vsi_handle, u8 tc, u16 q_handle)
3837 struct ice_vsi_ctx *vsi;
3838 struct ice_q_ctx *q_ctx;
3840 vsi = ice_get_vsi_ctx(hw, vsi_handle);
3843 if (q_handle >= vsi->num_lan_q_entries[tc])
3845 if (!vsi->lan_q_ctx[tc])
3847 q_ctx = vsi->lan_q_ctx[tc];
3848 return &q_ctx[q_handle];
3853 * @pi: port information structure
3854 * @vsi_handle: software VSI handle
3856 * @q_handle: software queue handle
3857 * @num_qgrps: Number of added queue groups
3858 * @buf: list of queue groups to be added
3859 * @buf_size: size of buffer for indirect command
3860 * @cd: pointer to command details structure or NULL
3862 * This function adds one LAN queue
3865 ice_ena_vsi_txq(struct ice_port_info *pi, u16 vsi_handle, u8 tc, u16 q_handle,
3866 u8 num_qgrps, struct ice_aqc_add_tx_qgrp *buf, u16 buf_size,
3867 struct ice_sq_cd *cd)
3869 struct ice_aqc_txsched_elem_data node = { 0 };
3870 struct ice_sched_node *parent;
3871 struct ice_q_ctx *q_ctx;
3872 enum ice_status status;
3875 if (!pi || pi->port_state != ICE_SCHED_PORT_STATE_READY)
3878 if (num_qgrps > 1 || buf->num_txqs > 1)
3879 return ICE_ERR_MAX_LIMIT;
3883 if (!ice_is_vsi_valid(hw, vsi_handle))
3884 return ICE_ERR_PARAM;
3886 ice_acquire_lock(&pi->sched_lock);
3888 q_ctx = ice_get_lan_q_ctx(hw, vsi_handle, tc, q_handle);
3890 ice_debug(hw, ICE_DBG_SCHED, "Enaq: invalid queue handle %d\n",
3892 status = ICE_ERR_PARAM;
3896 /* find a parent node */
3897 parent = ice_sched_get_free_qparent(pi, vsi_handle, tc,
3898 ICE_SCHED_NODE_OWNER_LAN);
3900 status = ICE_ERR_PARAM;
3904 buf->parent_teid = parent->info.node_teid;
3905 node.parent_teid = parent->info.node_teid;
3906 /* Mark that the values in the "generic" section as valid. The default
3907 * value in the "generic" section is zero. This means that :
3908 * - Scheduling mode is Bytes Per Second (BPS), indicated by Bit 0.
3909 * - 0 priority among siblings, indicated by Bit 1-3.
3910 * - WFQ, indicated by Bit 4.
3911 * - 0 Adjustment value is used in PSM credit update flow, indicated by
3913 * - Bit 7 is reserved.
3914 * Without setting the generic section as valid in valid_sections, the
3915 * Admin queue command will fail with error code ICE_AQ_RC_EINVAL.
3917 buf->txqs[0].info.valid_sections = ICE_AQC_ELEM_VALID_GENERIC;
3919 /* add the LAN queue */
3920 status = ice_aq_add_lan_txq(hw, num_qgrps, buf, buf_size, cd);
3921 if (status != ICE_SUCCESS) {
3922 ice_debug(hw, ICE_DBG_SCHED, "enable queue %d failed %d\n",
3923 LE16_TO_CPU(buf->txqs[0].txq_id),
3924 hw->adminq.sq_last_status);
3928 node.node_teid = buf->txqs[0].q_teid;
3929 node.data.elem_type = ICE_AQC_ELEM_TYPE_LEAF;
3930 q_ctx->q_handle = q_handle;
3931 q_ctx->q_teid = LE32_TO_CPU(node.node_teid);
3933 /* add a leaf node into scheduler tree queue layer */
3934 status = ice_sched_add_node(pi, hw->num_tx_sched_layers - 1, &node);
3936 status = ice_sched_replay_q_bw(pi, q_ctx);
3939 ice_release_lock(&pi->sched_lock);
3945 * @pi: port information structure
3946 * @vsi_handle: software VSI handle
3948 * @num_queues: number of queues
3949 * @q_handles: pointer to software queue handle array
3950 * @q_ids: pointer to the q_id array
3951 * @q_teids: pointer to queue node teids
3952 * @rst_src: if called due to reset, specifies the reset source
3953 * @vmvf_num: the relative VM or VF number that is undergoing the reset
3954 * @cd: pointer to command details structure or NULL
3956 * This function removes queues and their corresponding nodes in SW DB
3959 ice_dis_vsi_txq(struct ice_port_info *pi, u16 vsi_handle, u8 tc, u8 num_queues,
3960 u16 *q_handles, u16 *q_ids, u32 *q_teids,
3961 enum ice_disq_rst_src rst_src, u16 vmvf_num,
3962 struct ice_sq_cd *cd)
3964 enum ice_status status = ICE_ERR_DOES_NOT_EXIST;
3965 struct ice_aqc_dis_txq_item qg_list;
3966 struct ice_q_ctx *q_ctx;
3969 if (!pi || pi->port_state != ICE_SCHED_PORT_STATE_READY)
3973 /* if queue is disabled already yet the disable queue command
3974 * has to be sent to complete the VF reset, then call
3975 * ice_aq_dis_lan_txq without any queue information
3978 return ice_aq_dis_lan_txq(pi->hw, 0, NULL, 0, rst_src,
3983 ice_acquire_lock(&pi->sched_lock);
3985 for (i = 0; i < num_queues; i++) {
3986 struct ice_sched_node *node;
3988 node = ice_sched_find_node_by_teid(pi->root, q_teids[i]);
3991 q_ctx = ice_get_lan_q_ctx(pi->hw, vsi_handle, tc, q_handles[i]);
3993 ice_debug(pi->hw, ICE_DBG_SCHED, "invalid queue handle%d\n",
3997 if (q_ctx->q_handle != q_handles[i]) {
3998 ice_debug(pi->hw, ICE_DBG_SCHED, "Err:handles %d %d\n",
3999 q_ctx->q_handle, q_handles[i]);
4002 qg_list.parent_teid = node->info.parent_teid;
4004 qg_list.q_id[0] = CPU_TO_LE16(q_ids[i]);
4005 status = ice_aq_dis_lan_txq(pi->hw, 1, &qg_list,
4006 sizeof(qg_list), rst_src, vmvf_num,
4009 if (status != ICE_SUCCESS)
4011 ice_free_sched_node(pi, node);
4012 q_ctx->q_handle = ICE_INVAL_Q_HANDLE;
4014 ice_release_lock(&pi->sched_lock);
4019 * ice_cfg_vsi_qs - configure the new/existing VSI queues
4020 * @pi: port information structure
4021 * @vsi_handle: software VSI handle
4022 * @tc_bitmap: TC bitmap
4023 * @maxqs: max queues array per TC
4024 * @owner: LAN or RDMA
4026 * This function adds/updates the VSI queues per TC.
4028 static enum ice_status
4029 ice_cfg_vsi_qs(struct ice_port_info *pi, u16 vsi_handle, u16 tc_bitmap,
4030 u16 *maxqs, u8 owner)
4032 enum ice_status status = ICE_SUCCESS;
4035 if (!pi || pi->port_state != ICE_SCHED_PORT_STATE_READY)
4038 if (!ice_is_vsi_valid(pi->hw, vsi_handle))
4039 return ICE_ERR_PARAM;
4041 ice_acquire_lock(&pi->sched_lock);
4043 ice_for_each_traffic_class(i) {
4044 /* configuration is possible only if TC node is present */
4045 if (!ice_sched_get_tc_node(pi, i))
4048 status = ice_sched_cfg_vsi(pi, vsi_handle, i, maxqs[i], owner,
4049 ice_is_tc_ena(tc_bitmap, i));
4054 ice_release_lock(&pi->sched_lock);
4059 * ice_cfg_vsi_lan - configure VSI LAN queues
4060 * @pi: port information structure
4061 * @vsi_handle: software VSI handle
4062 * @tc_bitmap: TC bitmap
4063 * @max_lanqs: max LAN queues array per TC
4065 * This function adds/updates the VSI LAN queues per TC.
4068 ice_cfg_vsi_lan(struct ice_port_info *pi, u16 vsi_handle, u16 tc_bitmap,
4071 return ice_cfg_vsi_qs(pi, vsi_handle, tc_bitmap, max_lanqs,
4072 ICE_SCHED_NODE_OWNER_LAN);
4076 * ice_replay_pre_init - replay pre initialization
4077 * @hw: pointer to the HW struct
4079 * Initializes required config data for VSI, FD, ACL, and RSS before replay.
4081 static enum ice_status ice_replay_pre_init(struct ice_hw *hw)
4083 struct ice_switch_info *sw = hw->switch_info;
4086 /* Delete old entries from replay filter list head if there is any */
4087 ice_rm_all_sw_replay_rule_info(hw);
4088 /* In start of replay, move entries into replay_rules list, it
4089 * will allow adding rules entries back to filt_rules list,
4090 * which is operational list.
4092 for (i = 0; i < ICE_MAX_NUM_RECIPES; i++)
4093 LIST_REPLACE_INIT(&sw->recp_list[i].filt_rules,
4094 &sw->recp_list[i].filt_replay_rules);
4095 ice_sched_replay_agg_vsi_preinit(hw);
4097 return ice_sched_replay_tc_node_bw(hw->port_info);
4101 * ice_replay_vsi - replay VSI configuration
4102 * @hw: pointer to the HW struct
4103 * @vsi_handle: driver VSI handle
4105 * Restore all VSI configuration after reset. It is required to call this
4106 * function with main VSI first.
4108 enum ice_status ice_replay_vsi(struct ice_hw *hw, u16 vsi_handle)
4110 enum ice_status status;
4112 if (!ice_is_vsi_valid(hw, vsi_handle))
4113 return ICE_ERR_PARAM;
4115 /* Replay pre-initialization if there is any */
4116 if (vsi_handle == ICE_MAIN_VSI_HANDLE) {
4117 status = ice_replay_pre_init(hw);
4121 /* Replay per VSI all RSS configurations */
4122 status = ice_replay_rss_cfg(hw, vsi_handle);
4125 /* Replay per VSI all filters */
4126 status = ice_replay_vsi_all_fltr(hw, vsi_handle);
4128 status = ice_replay_vsi_agg(hw, vsi_handle);
4133 * ice_replay_post - post replay configuration cleanup
4134 * @hw: pointer to the HW struct
4136 * Post replay cleanup.
4138 void ice_replay_post(struct ice_hw *hw)
4140 /* Delete old entries from replay filter list head */
4141 ice_rm_all_sw_replay_rule_info(hw);
4142 ice_sched_replay_agg(hw);
4146 * ice_stat_update40 - read 40 bit stat from the chip and update stat values
4147 * @hw: ptr to the hardware info
4148 * @reg: offset of 64 bit HW register to read from
4149 * @prev_stat_loaded: bool to specify if previous stats are loaded
4150 * @prev_stat: ptr to previous loaded stat value
4151 * @cur_stat: ptr to current stat value
4154 ice_stat_update40(struct ice_hw *hw, u32 reg, bool prev_stat_loaded,
4155 u64 *prev_stat, u64 *cur_stat)
4157 u64 new_data = rd64(hw, reg) & (BIT_ULL(40) - 1);
4159 /* device stats are not reset at PFR, they likely will not be zeroed
4160 * when the driver starts. Thus, save the value from the first read
4161 * without adding to the statistic value so that we report stats which
4162 * count up from zero.
4164 if (!prev_stat_loaded) {
4165 *prev_stat = new_data;
4169 /* Calculate the difference between the new and old values, and then
4170 * add it to the software stat value.
4172 if (new_data >= *prev_stat)
4173 *cur_stat += new_data - *prev_stat;
4175 /* to manage the potential roll-over */
4176 *cur_stat += (new_data + BIT_ULL(40)) - *prev_stat;
4178 /* Update the previously stored value to prepare for next read */
4179 *prev_stat = new_data;
4183 * ice_stat_update32 - read 32 bit stat from the chip and update stat values
4184 * @hw: ptr to the hardware info
4185 * @reg: offset of HW register to read from
4186 * @prev_stat_loaded: bool to specify if previous stats are loaded
4187 * @prev_stat: ptr to previous loaded stat value
4188 * @cur_stat: ptr to current stat value
4191 ice_stat_update32(struct ice_hw *hw, u32 reg, bool prev_stat_loaded,
4192 u64 *prev_stat, u64 *cur_stat)
4196 new_data = rd32(hw, reg);
4198 /* device stats are not reset at PFR, they likely will not be zeroed
4199 * when the driver starts. Thus, save the value from the first read
4200 * without adding to the statistic value so that we report stats which
4201 * count up from zero.
4203 if (!prev_stat_loaded) {
4204 *prev_stat = new_data;
4208 /* Calculate the difference between the new and old values, and then
4209 * add it to the software stat value.
4211 if (new_data >= *prev_stat)
4212 *cur_stat += new_data - *prev_stat;
4214 /* to manage the potential roll-over */
4215 *cur_stat += (new_data + BIT_ULL(32)) - *prev_stat;
4217 /* Update the previously stored value to prepare for next read */
4218 *prev_stat = new_data;
4222 * ice_stat_update_repc - read GLV_REPC stats from chip and update stat values
4223 * @hw: ptr to the hardware info
4224 * @vsi_handle: VSI handle
4225 * @prev_stat_loaded: bool to specify if the previous stat values are loaded
4226 * @cur_stats: ptr to current stats structure
4228 * The GLV_REPC statistic register actually tracks two 16bit statistics, and
4229 * thus cannot be read using the normal ice_stat_update32 function.
4231 * Read the GLV_REPC register associated with the given VSI, and update the
4232 * rx_no_desc and rx_error values in the ice_eth_stats structure.
4234 * Because the statistics in GLV_REPC stick at 0xFFFF, the register must be
4235 * cleared each time it's read.
4237 * Note that the GLV_RDPC register also counts the causes that would trigger
4238 * GLV_REPC. However, it does not give the finer grained detail about why the
4239 * packets are being dropped. The GLV_REPC values can be used to distinguish
4240 * whether Rx packets are dropped due to errors or due to no available
4244 ice_stat_update_repc(struct ice_hw *hw, u16 vsi_handle, bool prev_stat_loaded,
4245 struct ice_eth_stats *cur_stats)
4247 u16 vsi_num, no_desc, error_cnt;
4250 if (!ice_is_vsi_valid(hw, vsi_handle))
4253 vsi_num = ice_get_hw_vsi_num(hw, vsi_handle);
4255 /* If we haven't loaded stats yet, just clear the current value */
4256 if (!prev_stat_loaded) {
4257 wr32(hw, GLV_REPC(vsi_num), 0);
4261 repc = rd32(hw, GLV_REPC(vsi_num));
4262 no_desc = (repc & GLV_REPC_NO_DESC_CNT_M) >> GLV_REPC_NO_DESC_CNT_S;
4263 error_cnt = (repc & GLV_REPC_ERROR_CNT_M) >> GLV_REPC_ERROR_CNT_S;
4265 /* Clear the count by writing to the stats register */
4266 wr32(hw, GLV_REPC(vsi_num), 0);
4268 cur_stats->rx_no_desc += no_desc;
4269 cur_stats->rx_errors += error_cnt;
4273 * ice_sched_query_elem - query element information from HW
4274 * @hw: pointer to the HW struct
4275 * @node_teid: node TEID to be queried
4276 * @buf: buffer to element information
4278 * This function queries HW element information
4281 ice_sched_query_elem(struct ice_hw *hw, u32 node_teid,
4282 struct ice_aqc_get_elem *buf)
4284 u16 buf_size, num_elem_ret = 0;
4285 enum ice_status status;
4287 buf_size = sizeof(*buf);
4288 ice_memset(buf, 0, buf_size, ICE_NONDMA_MEM);
4289 buf->generic[0].node_teid = CPU_TO_LE32(node_teid);
4290 status = ice_aq_query_sched_elems(hw, 1, buf, buf_size, &num_elem_ret,
4292 if (status != ICE_SUCCESS || num_elem_ret != 1)
4293 ice_debug(hw, ICE_DBG_SCHED, "query element failed\n");
4298 * ice_get_fw_mode - returns FW mode
4299 * @hw: pointer to the HW struct
4301 enum ice_fw_modes ice_get_fw_mode(struct ice_hw *hw)
4303 #define ICE_FW_MODE_DBG_M BIT(0)
4304 #define ICE_FW_MODE_REC_M BIT(1)
4305 #define ICE_FW_MODE_ROLLBACK_M BIT(2)
4308 /* check the current FW mode */
4309 fw_mode = rd32(hw, GL_MNG_FWSM) & GL_MNG_FWSM_FW_MODES_M;
4311 if (fw_mode & ICE_FW_MODE_DBG_M)
4312 return ICE_FW_MODE_DBG;
4313 else if (fw_mode & ICE_FW_MODE_REC_M)
4314 return ICE_FW_MODE_REC;
4315 else if (fw_mode & ICE_FW_MODE_ROLLBACK_M)
4316 return ICE_FW_MODE_ROLLBACK;
4318 return ICE_FW_MODE_NORMAL;
4322 * ice_fw_supports_link_override
4323 * @hw: pointer to the hardware structure
4325 * Checks if the firmware supports link override
4327 bool ice_fw_supports_link_override(struct ice_hw *hw)
4329 if (hw->api_maj_ver == ICE_FW_API_LINK_OVERRIDE_MAJ) {
4330 if (hw->api_min_ver > ICE_FW_API_LINK_OVERRIDE_MIN)
4332 if (hw->api_min_ver == ICE_FW_API_LINK_OVERRIDE_MIN &&
4333 hw->api_patch >= ICE_FW_API_LINK_OVERRIDE_PATCH)
4335 } else if (hw->api_maj_ver > ICE_FW_API_LINK_OVERRIDE_MAJ) {
4343 * ice_get_link_default_override
4344 * @ldo: pointer to the link default override struct
4345 * @pi: pointer to the port info struct
4347 * Gets the link default override for a port
4350 ice_get_link_default_override(struct ice_link_default_override_tlv *ldo,
4351 struct ice_port_info *pi)
4353 u16 i, tlv, tlv_len, tlv_start, buf, offset;
4354 struct ice_hw *hw = pi->hw;
4355 enum ice_status status;
4357 status = ice_get_pfa_module_tlv(hw, &tlv, &tlv_len,
4358 ICE_SR_LINK_DEFAULT_OVERRIDE_PTR);
4360 ice_debug(hw, ICE_DBG_INIT,
4361 "Failed to read link override TLV.\n");
4365 /* Each port has its own config; calculate for our port */
4366 tlv_start = tlv + pi->lport * ICE_SR_PFA_LINK_OVERRIDE_WORDS +
4367 ICE_SR_PFA_LINK_OVERRIDE_OFFSET;
4369 /* link options first */
4370 status = ice_read_sr_word(hw, tlv_start, &buf);
4372 ice_debug(hw, ICE_DBG_INIT,
4373 "Failed to read override link options.\n");
4376 ldo->options = buf & ICE_LINK_OVERRIDE_OPT_M;
4377 ldo->phy_config = (buf & ICE_LINK_OVERRIDE_PHY_CFG_M) >>
4378 ICE_LINK_OVERRIDE_PHY_CFG_S;
4380 /* link PHY config */
4381 offset = tlv_start + ICE_SR_PFA_LINK_OVERRIDE_FEC_OFFSET;
4382 status = ice_read_sr_word(hw, offset, &buf);
4384 ice_debug(hw, ICE_DBG_INIT,
4385 "Failed to read override phy config.\n");
4388 ldo->fec_options = buf & ICE_LINK_OVERRIDE_FEC_OPT_M;
4391 offset = tlv_start + ICE_SR_PFA_LINK_OVERRIDE_PHY_OFFSET;
4392 for (i = 0; i < ICE_SR_PFA_LINK_OVERRIDE_PHY_WORDS; i++) {
4393 status = ice_read_sr_word(hw, (offset + i), &buf);
4395 ice_debug(hw, ICE_DBG_INIT,
4396 "Failed to read override link options.\n");
4399 /* shift 16 bits at a time to fill 64 bits */
4400 ldo->phy_type_low |= ((u64)buf << (i * 16));
4403 /* PHY types high */
4404 offset = tlv_start + ICE_SR_PFA_LINK_OVERRIDE_PHY_OFFSET +
4405 ICE_SR_PFA_LINK_OVERRIDE_PHY_WORDS;
4406 for (i = 0; i < ICE_SR_PFA_LINK_OVERRIDE_PHY_WORDS; i++) {
4407 status = ice_read_sr_word(hw, (offset + i), &buf);
4409 ice_debug(hw, ICE_DBG_INIT,
4410 "Failed to read override link options.\n");
4413 /* shift 16 bits at a time to fill 64 bits */
4414 ldo->phy_type_high |= ((u64)buf << (i * 16));