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 case ICE_DEV_ID_E823L_10G_BASE_T:
47 case ICE_DEV_ID_E823L_1GBE:
48 case ICE_DEV_ID_E823L_BACKPLANE:
49 case ICE_DEV_ID_E823L_QSFP:
50 case ICE_DEV_ID_E823L_SFP:
51 hw->mac_type = ICE_MAC_GENERIC;
54 hw->mac_type = ICE_MAC_UNKNOWN;
58 ice_debug(hw, ICE_DBG_INIT, "mac_type: %d\n", hw->mac_type);
63 * ice_clear_pf_cfg - Clear PF configuration
64 * @hw: pointer to the hardware structure
66 * Clears any existing PF configuration (VSIs, VSI lists, switch rules, port
67 * configuration, flow director filters, etc.).
69 enum ice_status ice_clear_pf_cfg(struct ice_hw *hw)
71 struct ice_aq_desc desc;
73 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_clear_pf_cfg);
75 return ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
79 * ice_aq_manage_mac_read - manage MAC address read command
80 * @hw: pointer to the HW struct
81 * @buf: a virtual buffer to hold the manage MAC read response
82 * @buf_size: Size of the virtual buffer
83 * @cd: pointer to command details structure or NULL
85 * This function is used to return per PF station MAC address (0x0107).
86 * NOTE: Upon successful completion of this command, MAC address information
87 * is returned in user specified buffer. Please interpret user specified
88 * buffer as "manage_mac_read" response.
89 * Response such as various MAC addresses are stored in HW struct (port.mac)
90 * ice_aq_discover_caps is expected to be called before this function is called.
92 static enum ice_status
93 ice_aq_manage_mac_read(struct ice_hw *hw, void *buf, u16 buf_size,
96 struct ice_aqc_manage_mac_read_resp *resp;
97 struct ice_aqc_manage_mac_read *cmd;
98 struct ice_aq_desc desc;
99 enum ice_status status;
103 cmd = &desc.params.mac_read;
105 if (buf_size < sizeof(*resp))
106 return ICE_ERR_BUF_TOO_SHORT;
108 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_manage_mac_read);
110 status = ice_aq_send_cmd(hw, &desc, buf, buf_size, cd);
114 resp = (struct ice_aqc_manage_mac_read_resp *)buf;
115 flags = LE16_TO_CPU(cmd->flags) & ICE_AQC_MAN_MAC_READ_M;
117 if (!(flags & ICE_AQC_MAN_MAC_LAN_ADDR_VALID)) {
118 ice_debug(hw, ICE_DBG_LAN, "got invalid MAC address\n");
122 /* A single port can report up to two (LAN and WoL) addresses */
123 for (i = 0; i < cmd->num_addr; i++)
124 if (resp[i].addr_type == ICE_AQC_MAN_MAC_ADDR_TYPE_LAN) {
125 ice_memcpy(hw->port_info->mac.lan_addr,
126 resp[i].mac_addr, ETH_ALEN,
128 ice_memcpy(hw->port_info->mac.perm_addr,
130 ETH_ALEN, ICE_DMA_TO_NONDMA);
137 * ice_aq_get_phy_caps - returns PHY capabilities
138 * @pi: port information structure
139 * @qual_mods: report qualified modules
140 * @report_mode: report mode capabilities
141 * @pcaps: structure for PHY capabilities to be filled
142 * @cd: pointer to command details structure or NULL
144 * Returns the various PHY capabilities supported on the Port (0x0600)
147 ice_aq_get_phy_caps(struct ice_port_info *pi, bool qual_mods, u8 report_mode,
148 struct ice_aqc_get_phy_caps_data *pcaps,
149 struct ice_sq_cd *cd)
151 struct ice_aqc_get_phy_caps *cmd;
152 u16 pcaps_size = sizeof(*pcaps);
153 struct ice_aq_desc desc;
154 enum ice_status status;
157 cmd = &desc.params.get_phy;
159 if (!pcaps || (report_mode & ~ICE_AQC_REPORT_MODE_M) || !pi)
160 return ICE_ERR_PARAM;
163 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_phy_caps);
166 cmd->param0 |= CPU_TO_LE16(ICE_AQC_GET_PHY_RQM);
168 cmd->param0 |= CPU_TO_LE16(report_mode);
169 status = ice_aq_send_cmd(hw, &desc, pcaps, pcaps_size, cd);
171 ice_debug(hw, ICE_DBG_LINK, "get phy caps - report_mode = 0x%x\n",
173 ice_debug(hw, ICE_DBG_LINK, " phy_type_low = 0x%llx\n",
174 (unsigned long long)LE64_TO_CPU(pcaps->phy_type_low));
175 ice_debug(hw, ICE_DBG_LINK, " phy_type_high = 0x%llx\n",
176 (unsigned long long)LE64_TO_CPU(pcaps->phy_type_high));
177 ice_debug(hw, ICE_DBG_LINK, " caps = 0x%x\n", pcaps->caps);
178 ice_debug(hw, ICE_DBG_LINK, " low_power_ctrl_an = 0x%x\n",
179 pcaps->low_power_ctrl_an);
180 ice_debug(hw, ICE_DBG_LINK, " eee_cap = 0x%x\n", pcaps->eee_cap);
181 ice_debug(hw, ICE_DBG_LINK, " eeer_value = 0x%x\n",
183 ice_debug(hw, ICE_DBG_LINK, " link_fec_options = 0x%x\n",
184 pcaps->link_fec_options);
185 ice_debug(hw, ICE_DBG_LINK, " module_compliance_enforcement = 0x%x\n",
186 pcaps->module_compliance_enforcement);
187 ice_debug(hw, ICE_DBG_LINK, " extended_compliance_code = 0x%x\n",
188 pcaps->extended_compliance_code);
189 ice_debug(hw, ICE_DBG_LINK, " module_type[0] = 0x%x\n",
190 pcaps->module_type[0]);
191 ice_debug(hw, ICE_DBG_LINK, " module_type[1] = 0x%x\n",
192 pcaps->module_type[1]);
193 ice_debug(hw, ICE_DBG_LINK, " module_type[2] = 0x%x\n",
194 pcaps->module_type[2]);
196 if (status == ICE_SUCCESS && report_mode == ICE_AQC_REPORT_TOPO_CAP) {
197 pi->phy.phy_type_low = LE64_TO_CPU(pcaps->phy_type_low);
198 pi->phy.phy_type_high = LE64_TO_CPU(pcaps->phy_type_high);
199 ice_memcpy(pi->phy.link_info.module_type, &pcaps->module_type,
200 sizeof(pi->phy.link_info.module_type),
201 ICE_NONDMA_TO_NONDMA);
208 * ice_aq_get_link_topo_handle - get link topology node return status
209 * @pi: port information structure
210 * @node_type: requested node type
211 * @cd: pointer to command details structure or NULL
213 * Get link topology node return status for specified node type (0x06E0)
215 * Node type cage can be used to determine if cage is present. If AQC
216 * returns error (ENOENT), then no cage present. If no cage present, then
217 * connection type is backplane or BASE-T.
219 static enum ice_status
220 ice_aq_get_link_topo_handle(struct ice_port_info *pi, u8 node_type,
221 struct ice_sq_cd *cd)
223 struct ice_aqc_get_link_topo *cmd;
224 struct ice_aq_desc desc;
226 cmd = &desc.params.get_link_topo;
228 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_link_topo);
230 cmd->addr.node_type_ctx = (ICE_AQC_LINK_TOPO_NODE_CTX_PORT <<
231 ICE_AQC_LINK_TOPO_NODE_CTX_S);
234 cmd->addr.node_type_ctx |= (ICE_AQC_LINK_TOPO_NODE_TYPE_M & node_type);
236 return ice_aq_send_cmd(pi->hw, &desc, NULL, 0, cd);
240 * ice_is_media_cage_present
241 * @pi: port information structure
243 * Returns true if media cage is present, else false. If no cage, then
244 * media type is backplane or BASE-T.
246 static bool ice_is_media_cage_present(struct ice_port_info *pi)
248 /* Node type cage can be used to determine if cage is present. If AQC
249 * returns error (ENOENT), then no cage present. If no cage present then
250 * connection type is backplane or BASE-T.
252 return !ice_aq_get_link_topo_handle(pi,
253 ICE_AQC_LINK_TOPO_NODE_TYPE_CAGE,
258 * ice_get_media_type - Gets media type
259 * @pi: port information structure
261 static enum ice_media_type ice_get_media_type(struct ice_port_info *pi)
263 struct ice_link_status *hw_link_info;
266 return ICE_MEDIA_UNKNOWN;
268 hw_link_info = &pi->phy.link_info;
269 if (hw_link_info->phy_type_low && hw_link_info->phy_type_high)
270 /* If more than one media type is selected, report unknown */
271 return ICE_MEDIA_UNKNOWN;
273 if (hw_link_info->phy_type_low) {
274 /* 1G SGMII is a special case where some DA cable PHYs
275 * may show this as an option when it really shouldn't
276 * be since SGMII is meant to be between a MAC and a PHY
277 * in a backplane. Try to detect this case and handle it
279 if (hw_link_info->phy_type_low == ICE_PHY_TYPE_LOW_1G_SGMII &&
280 (hw_link_info->module_type[ICE_AQC_MOD_TYPE_IDENT] ==
281 ICE_AQC_MOD_TYPE_BYTE1_SFP_PLUS_CU_ACTIVE ||
282 hw_link_info->module_type[ICE_AQC_MOD_TYPE_IDENT] ==
283 ICE_AQC_MOD_TYPE_BYTE1_SFP_PLUS_CU_PASSIVE))
286 switch (hw_link_info->phy_type_low) {
287 case ICE_PHY_TYPE_LOW_1000BASE_SX:
288 case ICE_PHY_TYPE_LOW_1000BASE_LX:
289 case ICE_PHY_TYPE_LOW_10GBASE_SR:
290 case ICE_PHY_TYPE_LOW_10GBASE_LR:
291 case ICE_PHY_TYPE_LOW_10G_SFI_C2C:
292 case ICE_PHY_TYPE_LOW_25GBASE_SR:
293 case ICE_PHY_TYPE_LOW_25GBASE_LR:
294 case ICE_PHY_TYPE_LOW_40GBASE_SR4:
295 case ICE_PHY_TYPE_LOW_40GBASE_LR4:
296 case ICE_PHY_TYPE_LOW_50GBASE_SR2:
297 case ICE_PHY_TYPE_LOW_50GBASE_LR2:
298 case ICE_PHY_TYPE_LOW_50GBASE_SR:
299 case ICE_PHY_TYPE_LOW_50GBASE_FR:
300 case ICE_PHY_TYPE_LOW_50GBASE_LR:
301 case ICE_PHY_TYPE_LOW_100GBASE_SR4:
302 case ICE_PHY_TYPE_LOW_100GBASE_LR4:
303 case ICE_PHY_TYPE_LOW_100GBASE_SR2:
304 case ICE_PHY_TYPE_LOW_100GBASE_DR:
305 return ICE_MEDIA_FIBER;
306 case ICE_PHY_TYPE_LOW_10G_SFI_AOC_ACC:
307 case ICE_PHY_TYPE_LOW_25G_AUI_AOC_ACC:
308 case ICE_PHY_TYPE_LOW_40G_XLAUI_AOC_ACC:
309 case ICE_PHY_TYPE_LOW_50G_LAUI2_AOC_ACC:
310 case ICE_PHY_TYPE_LOW_50G_AUI2_AOC_ACC:
311 case ICE_PHY_TYPE_LOW_50G_AUI1_AOC_ACC:
312 case ICE_PHY_TYPE_LOW_100G_CAUI4_AOC_ACC:
313 case ICE_PHY_TYPE_LOW_100G_AUI4_AOC_ACC:
314 return ICE_MEDIA_FIBER;
315 case ICE_PHY_TYPE_LOW_100BASE_TX:
316 case ICE_PHY_TYPE_LOW_1000BASE_T:
317 case ICE_PHY_TYPE_LOW_2500BASE_T:
318 case ICE_PHY_TYPE_LOW_5GBASE_T:
319 case ICE_PHY_TYPE_LOW_10GBASE_T:
320 case ICE_PHY_TYPE_LOW_25GBASE_T:
321 return ICE_MEDIA_BASET;
322 case ICE_PHY_TYPE_LOW_10G_SFI_DA:
323 case ICE_PHY_TYPE_LOW_25GBASE_CR:
324 case ICE_PHY_TYPE_LOW_25GBASE_CR_S:
325 case ICE_PHY_TYPE_LOW_25GBASE_CR1:
326 case ICE_PHY_TYPE_LOW_40GBASE_CR4:
327 case ICE_PHY_TYPE_LOW_50GBASE_CR2:
328 case ICE_PHY_TYPE_LOW_50GBASE_CP:
329 case ICE_PHY_TYPE_LOW_100GBASE_CR4:
330 case ICE_PHY_TYPE_LOW_100GBASE_CR_PAM4:
331 case ICE_PHY_TYPE_LOW_100GBASE_CP2:
333 case ICE_PHY_TYPE_LOW_25G_AUI_C2C:
334 case ICE_PHY_TYPE_LOW_40G_XLAUI:
335 case ICE_PHY_TYPE_LOW_50G_LAUI2:
336 case ICE_PHY_TYPE_LOW_50G_AUI2:
337 case ICE_PHY_TYPE_LOW_50G_AUI1:
338 case ICE_PHY_TYPE_LOW_100G_AUI4:
339 case ICE_PHY_TYPE_LOW_100G_CAUI4:
340 if (ice_is_media_cage_present(pi))
341 return ICE_MEDIA_AUI;
343 case ICE_PHY_TYPE_LOW_1000BASE_KX:
344 case ICE_PHY_TYPE_LOW_2500BASE_KX:
345 case ICE_PHY_TYPE_LOW_2500BASE_X:
346 case ICE_PHY_TYPE_LOW_5GBASE_KR:
347 case ICE_PHY_TYPE_LOW_10GBASE_KR_CR1:
348 case ICE_PHY_TYPE_LOW_25GBASE_KR:
349 case ICE_PHY_TYPE_LOW_25GBASE_KR1:
350 case ICE_PHY_TYPE_LOW_25GBASE_KR_S:
351 case ICE_PHY_TYPE_LOW_40GBASE_KR4:
352 case ICE_PHY_TYPE_LOW_50GBASE_KR_PAM4:
353 case ICE_PHY_TYPE_LOW_50GBASE_KR2:
354 case ICE_PHY_TYPE_LOW_100GBASE_KR4:
355 case ICE_PHY_TYPE_LOW_100GBASE_KR_PAM4:
356 return ICE_MEDIA_BACKPLANE;
359 switch (hw_link_info->phy_type_high) {
360 case ICE_PHY_TYPE_HIGH_100G_AUI2:
361 case ICE_PHY_TYPE_HIGH_100G_CAUI2:
362 if (ice_is_media_cage_present(pi))
363 return ICE_MEDIA_AUI;
365 case ICE_PHY_TYPE_HIGH_100GBASE_KR2_PAM4:
366 return ICE_MEDIA_BACKPLANE;
367 case ICE_PHY_TYPE_HIGH_100G_CAUI2_AOC_ACC:
368 case ICE_PHY_TYPE_HIGH_100G_AUI2_AOC_ACC:
369 return ICE_MEDIA_FIBER;
372 return ICE_MEDIA_UNKNOWN;
376 * ice_aq_get_link_info
377 * @pi: port information structure
378 * @ena_lse: enable/disable LinkStatusEvent reporting
379 * @link: pointer to link status structure - optional
380 * @cd: pointer to command details structure or NULL
382 * Get Link Status (0x607). Returns the link status of the adapter.
385 ice_aq_get_link_info(struct ice_port_info *pi, bool ena_lse,
386 struct ice_link_status *link, struct ice_sq_cd *cd)
388 struct ice_aqc_get_link_status_data link_data = { 0 };
389 struct ice_aqc_get_link_status *resp;
390 struct ice_link_status *li_old, *li;
391 enum ice_media_type *hw_media_type;
392 struct ice_fc_info *hw_fc_info;
393 bool tx_pause, rx_pause;
394 struct ice_aq_desc desc;
395 enum ice_status status;
400 return ICE_ERR_PARAM;
402 li_old = &pi->phy.link_info_old;
403 hw_media_type = &pi->phy.media_type;
404 li = &pi->phy.link_info;
405 hw_fc_info = &pi->fc;
407 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_link_status);
408 cmd_flags = (ena_lse) ? ICE_AQ_LSE_ENA : ICE_AQ_LSE_DIS;
409 resp = &desc.params.get_link_status;
410 resp->cmd_flags = CPU_TO_LE16(cmd_flags);
411 resp->lport_num = pi->lport;
413 status = ice_aq_send_cmd(hw, &desc, &link_data, sizeof(link_data), cd);
415 if (status != ICE_SUCCESS)
418 /* save off old link status information */
421 /* update current link status information */
422 li->link_speed = LE16_TO_CPU(link_data.link_speed);
423 li->phy_type_low = LE64_TO_CPU(link_data.phy_type_low);
424 li->phy_type_high = LE64_TO_CPU(link_data.phy_type_high);
425 *hw_media_type = ice_get_media_type(pi);
426 li->link_info = link_data.link_info;
427 li->an_info = link_data.an_info;
428 li->ext_info = link_data.ext_info;
429 li->max_frame_size = LE16_TO_CPU(link_data.max_frame_size);
430 li->fec_info = link_data.cfg & ICE_AQ_FEC_MASK;
431 li->topo_media_conflict = link_data.topo_media_conflict;
432 li->pacing = link_data.cfg & (ICE_AQ_CFG_PACING_M |
433 ICE_AQ_CFG_PACING_TYPE_M);
436 tx_pause = !!(link_data.an_info & ICE_AQ_LINK_PAUSE_TX);
437 rx_pause = !!(link_data.an_info & ICE_AQ_LINK_PAUSE_RX);
438 if (tx_pause && rx_pause)
439 hw_fc_info->current_mode = ICE_FC_FULL;
441 hw_fc_info->current_mode = ICE_FC_TX_PAUSE;
443 hw_fc_info->current_mode = ICE_FC_RX_PAUSE;
445 hw_fc_info->current_mode = ICE_FC_NONE;
447 li->lse_ena = !!(resp->cmd_flags & CPU_TO_LE16(ICE_AQ_LSE_IS_ENABLED));
449 ice_debug(hw, ICE_DBG_LINK, "get link info\n");
450 ice_debug(hw, ICE_DBG_LINK, " link_speed = 0x%x\n", li->link_speed);
451 ice_debug(hw, ICE_DBG_LINK, " phy_type_low = 0x%llx\n",
452 (unsigned long long)li->phy_type_low);
453 ice_debug(hw, ICE_DBG_LINK, " phy_type_high = 0x%llx\n",
454 (unsigned long long)li->phy_type_high);
455 ice_debug(hw, ICE_DBG_LINK, " media_type = 0x%x\n", *hw_media_type);
456 ice_debug(hw, ICE_DBG_LINK, " link_info = 0x%x\n", li->link_info);
457 ice_debug(hw, ICE_DBG_LINK, " an_info = 0x%x\n", li->an_info);
458 ice_debug(hw, ICE_DBG_LINK, " ext_info = 0x%x\n", li->ext_info);
459 ice_debug(hw, ICE_DBG_LINK, " fec_info = 0x%x\n", li->fec_info);
460 ice_debug(hw, ICE_DBG_LINK, " lse_ena = 0x%x\n", li->lse_ena);
461 ice_debug(hw, ICE_DBG_LINK, " max_frame = 0x%x\n",
463 ice_debug(hw, ICE_DBG_LINK, " pacing = 0x%x\n", li->pacing);
465 /* save link status information */
469 /* flag cleared so calling functions don't call AQ again */
470 pi->phy.get_link_info = false;
476 * ice_fill_tx_timer_and_fc_thresh
477 * @hw: pointer to the HW struct
478 * @cmd: pointer to MAC cfg structure
480 * Add Tx timer and FC refresh threshold info to Set MAC Config AQ command
484 ice_fill_tx_timer_and_fc_thresh(struct ice_hw *hw,
485 struct ice_aqc_set_mac_cfg *cmd)
487 u16 fc_thres_val, tx_timer_val;
490 /* We read back the transmit timer and fc threshold value of
491 * LFC. Thus, we will use index =
492 * PRTMAC_HSEC_CTL_TX_PAUSE_QUANTA_MAX_INDEX.
494 * Also, because we are opearating on transmit timer and fc
495 * threshold of LFC, we don't turn on any bit in tx_tmr_priority
497 #define IDX_OF_LFC PRTMAC_HSEC_CTL_TX_PAUSE_QUANTA_MAX_INDEX
499 /* Retrieve the transmit timer */
500 val = rd32(hw, PRTMAC_HSEC_CTL_TX_PAUSE_QUANTA(IDX_OF_LFC));
502 PRTMAC_HSEC_CTL_TX_PAUSE_QUANTA_HSEC_CTL_TX_PAUSE_QUANTA_M;
503 cmd->tx_tmr_value = CPU_TO_LE16(tx_timer_val);
505 /* Retrieve the fc threshold */
506 val = rd32(hw, PRTMAC_HSEC_CTL_TX_PAUSE_REFRESH_TIMER(IDX_OF_LFC));
507 fc_thres_val = val & PRTMAC_HSEC_CTL_TX_PAUSE_REFRESH_TIMER_M;
509 cmd->fc_refresh_threshold = CPU_TO_LE16(fc_thres_val);
514 * @hw: pointer to the HW struct
515 * @max_frame_size: Maximum Frame Size to be supported
516 * @cd: pointer to command details structure or NULL
518 * Set MAC configuration (0x0603)
521 ice_aq_set_mac_cfg(struct ice_hw *hw, u16 max_frame_size, struct ice_sq_cd *cd)
523 struct ice_aqc_set_mac_cfg *cmd;
524 struct ice_aq_desc desc;
526 cmd = &desc.params.set_mac_cfg;
528 if (max_frame_size == 0)
529 return ICE_ERR_PARAM;
531 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_mac_cfg);
533 cmd->max_frame_size = CPU_TO_LE16(max_frame_size);
535 ice_fill_tx_timer_and_fc_thresh(hw, cmd);
537 return ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
541 * ice_init_fltr_mgmt_struct - initializes filter management list and locks
542 * @hw: pointer to the HW struct
544 enum ice_status ice_init_fltr_mgmt_struct(struct ice_hw *hw)
546 struct ice_switch_info *sw;
547 enum ice_status status;
549 hw->switch_info = (struct ice_switch_info *)
550 ice_malloc(hw, sizeof(*hw->switch_info));
552 sw = hw->switch_info;
555 return ICE_ERR_NO_MEMORY;
557 INIT_LIST_HEAD(&sw->vsi_list_map_head);
558 sw->prof_res_bm_init = 0;
560 status = ice_init_def_sw_recp(hw, &hw->switch_info->recp_list);
562 ice_free(hw, hw->switch_info);
569 * ice_cleanup_fltr_mgmt_single - clears single filter mngt struct
570 * @hw: pointer to the HW struct
571 * @sw: pointer to switch info struct for which function clears filters
574 ice_cleanup_fltr_mgmt_single(struct ice_hw *hw, struct ice_switch_info *sw)
576 struct ice_vsi_list_map_info *v_pos_map;
577 struct ice_vsi_list_map_info *v_tmp_map;
578 struct ice_sw_recipe *recps;
584 LIST_FOR_EACH_ENTRY_SAFE(v_pos_map, v_tmp_map, &sw->vsi_list_map_head,
585 ice_vsi_list_map_info, list_entry) {
586 LIST_DEL(&v_pos_map->list_entry);
587 ice_free(hw, v_pos_map);
589 recps = sw->recp_list;
590 for (i = 0; i < ICE_MAX_NUM_RECIPES; i++) {
591 struct ice_recp_grp_entry *rg_entry, *tmprg_entry;
593 recps[i].root_rid = i;
594 LIST_FOR_EACH_ENTRY_SAFE(rg_entry, tmprg_entry,
595 &recps[i].rg_list, ice_recp_grp_entry,
597 LIST_DEL(&rg_entry->l_entry);
598 ice_free(hw, rg_entry);
601 if (recps[i].adv_rule) {
602 struct ice_adv_fltr_mgmt_list_entry *tmp_entry;
603 struct ice_adv_fltr_mgmt_list_entry *lst_itr;
605 ice_destroy_lock(&recps[i].filt_rule_lock);
606 LIST_FOR_EACH_ENTRY_SAFE(lst_itr, tmp_entry,
607 &recps[i].filt_rules,
608 ice_adv_fltr_mgmt_list_entry,
610 LIST_DEL(&lst_itr->list_entry);
611 ice_free(hw, lst_itr->lkups);
612 ice_free(hw, lst_itr);
615 struct ice_fltr_mgmt_list_entry *lst_itr, *tmp_entry;
617 ice_destroy_lock(&recps[i].filt_rule_lock);
618 LIST_FOR_EACH_ENTRY_SAFE(lst_itr, tmp_entry,
619 &recps[i].filt_rules,
620 ice_fltr_mgmt_list_entry,
622 LIST_DEL(&lst_itr->list_entry);
623 ice_free(hw, lst_itr);
626 if (recps[i].root_buf)
627 ice_free(hw, recps[i].root_buf);
629 ice_rm_sw_replay_rule_info(hw, sw);
630 ice_free(hw, sw->recp_list);
635 * ice_cleanup_all_fltr_mgmt - cleanup filter management list and locks
636 * @hw: pointer to the HW struct
638 void ice_cleanup_fltr_mgmt_struct(struct ice_hw *hw)
640 ice_cleanup_fltr_mgmt_single(hw, hw->switch_info);
644 * ice_get_itr_intrl_gran
645 * @hw: pointer to the HW struct
647 * Determines the ITR/INTRL granularities based on the maximum aggregate
648 * bandwidth according to the device's configuration during power-on.
650 static void ice_get_itr_intrl_gran(struct ice_hw *hw)
652 u8 max_agg_bw = (rd32(hw, GL_PWR_MODE_CTL) &
653 GL_PWR_MODE_CTL_CAR_MAX_BW_M) >>
654 GL_PWR_MODE_CTL_CAR_MAX_BW_S;
656 switch (max_agg_bw) {
657 case ICE_MAX_AGG_BW_200G:
658 case ICE_MAX_AGG_BW_100G:
659 case ICE_MAX_AGG_BW_50G:
660 hw->itr_gran = ICE_ITR_GRAN_ABOVE_25;
661 hw->intrl_gran = ICE_INTRL_GRAN_ABOVE_25;
663 case ICE_MAX_AGG_BW_25G:
664 hw->itr_gran = ICE_ITR_GRAN_MAX_25;
665 hw->intrl_gran = ICE_INTRL_GRAN_MAX_25;
671 * ice_print_rollback_msg - print FW rollback message
672 * @hw: pointer to the hardware structure
674 void ice_print_rollback_msg(struct ice_hw *hw)
676 char nvm_str[ICE_NVM_VER_LEN] = { 0 };
677 struct ice_nvm_info *nvm = &hw->nvm;
678 struct ice_orom_info *orom;
682 SNPRINTF(nvm_str, sizeof(nvm_str), "%x.%02x 0x%x %d.%d.%d",
683 nvm->major_ver, nvm->minor_ver, nvm->eetrack, orom->major,
684 orom->build, orom->patch);
686 "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",
687 nvm_str, hw->fw_maj_ver, hw->fw_min_ver);
691 * ice_init_hw - main hardware initialization routine
692 * @hw: pointer to the hardware structure
694 enum ice_status ice_init_hw(struct ice_hw *hw)
696 struct ice_aqc_get_phy_caps_data *pcaps;
697 enum ice_status status;
701 ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__);
703 /* Set MAC type based on DeviceID */
704 status = ice_set_mac_type(hw);
708 hw->pf_id = (u8)(rd32(hw, PF_FUNC_RID) &
709 PF_FUNC_RID_FUNCTION_NUMBER_M) >>
710 PF_FUNC_RID_FUNCTION_NUMBER_S;
712 status = ice_reset(hw, ICE_RESET_PFR);
716 ice_get_itr_intrl_gran(hw);
718 status = ice_create_all_ctrlq(hw);
720 goto err_unroll_cqinit;
722 status = ice_init_nvm(hw);
724 goto err_unroll_cqinit;
726 if (ice_get_fw_mode(hw) == ICE_FW_MODE_ROLLBACK)
727 ice_print_rollback_msg(hw);
729 status = ice_clear_pf_cfg(hw);
731 goto err_unroll_cqinit;
733 /* Set bit to enable Flow Director filters */
734 wr32(hw, PFQF_FD_ENA, PFQF_FD_ENA_FD_ENA_M);
735 INIT_LIST_HEAD(&hw->fdir_list_head);
737 ice_clear_pxe_mode(hw);
739 status = ice_get_caps(hw);
741 goto err_unroll_cqinit;
743 hw->port_info = (struct ice_port_info *)
744 ice_malloc(hw, sizeof(*hw->port_info));
745 if (!hw->port_info) {
746 status = ICE_ERR_NO_MEMORY;
747 goto err_unroll_cqinit;
750 /* set the back pointer to HW */
751 hw->port_info->hw = hw;
753 /* Initialize port_info struct with switch configuration data */
754 status = ice_get_initial_sw_cfg(hw);
756 goto err_unroll_alloc;
759 /* Query the allocated resources for Tx scheduler */
760 status = ice_sched_query_res_alloc(hw);
762 ice_debug(hw, ICE_DBG_SCHED,
763 "Failed to get scheduler allocated resources\n");
764 goto err_unroll_alloc;
766 ice_sched_get_psm_clk_freq(hw);
768 /* Initialize port_info struct with scheduler data */
769 status = ice_sched_init_port(hw->port_info);
771 goto err_unroll_sched;
773 pcaps = (struct ice_aqc_get_phy_caps_data *)
774 ice_malloc(hw, sizeof(*pcaps));
776 status = ICE_ERR_NO_MEMORY;
777 goto err_unroll_sched;
780 /* Initialize port_info struct with PHY capabilities */
781 status = ice_aq_get_phy_caps(hw->port_info, false,
782 ICE_AQC_REPORT_TOPO_CAP, pcaps, NULL);
785 goto err_unroll_sched;
787 /* Initialize port_info struct with link information */
788 status = ice_aq_get_link_info(hw->port_info, false, NULL, NULL);
790 goto err_unroll_sched;
791 /* need a valid SW entry point to build a Tx tree */
792 if (!hw->sw_entry_point_layer) {
793 ice_debug(hw, ICE_DBG_SCHED, "invalid sw entry point\n");
794 status = ICE_ERR_CFG;
795 goto err_unroll_sched;
797 INIT_LIST_HEAD(&hw->agg_list);
798 /* Initialize max burst size */
799 if (!hw->max_burst_size)
800 ice_cfg_rl_burst_size(hw, ICE_SCHED_DFLT_BURST_SIZE);
801 status = ice_init_fltr_mgmt_struct(hw);
803 goto err_unroll_sched;
805 /* Get MAC information */
806 /* A single port can report up to two (LAN and WoL) addresses */
807 mac_buf = ice_calloc(hw, 2,
808 sizeof(struct ice_aqc_manage_mac_read_resp));
809 mac_buf_len = 2 * sizeof(struct ice_aqc_manage_mac_read_resp);
812 status = ICE_ERR_NO_MEMORY;
813 goto err_unroll_fltr_mgmt_struct;
816 status = ice_aq_manage_mac_read(hw, mac_buf, mac_buf_len, NULL);
817 ice_free(hw, mac_buf);
820 goto err_unroll_fltr_mgmt_struct;
821 /* enable jumbo frame support at MAC level */
822 status = ice_aq_set_mac_cfg(hw, ICE_AQ_SET_MAC_FRAME_SIZE_MAX, NULL);
824 goto err_unroll_fltr_mgmt_struct;
825 /* Obtain counter base index which would be used by flow director */
826 status = ice_alloc_fd_res_cntr(hw, &hw->fd_ctr_base);
828 goto err_unroll_fltr_mgmt_struct;
829 status = ice_init_hw_tbls(hw);
831 goto err_unroll_fltr_mgmt_struct;
832 ice_init_lock(&hw->tnl_lock);
835 err_unroll_fltr_mgmt_struct:
836 ice_cleanup_fltr_mgmt_struct(hw);
838 ice_sched_cleanup_all(hw);
840 ice_free(hw, hw->port_info);
841 hw->port_info = NULL;
843 ice_destroy_all_ctrlq(hw);
848 * ice_deinit_hw - unroll initialization operations done by ice_init_hw
849 * @hw: pointer to the hardware structure
851 * This should be called only during nominal operation, not as a result of
852 * ice_init_hw() failing since ice_init_hw() will take care of unrolling
853 * applicable initializations if it fails for any reason.
855 void ice_deinit_hw(struct ice_hw *hw)
857 ice_free_fd_res_cntr(hw, hw->fd_ctr_base);
858 ice_cleanup_fltr_mgmt_struct(hw);
860 ice_sched_cleanup_all(hw);
861 ice_sched_clear_agg(hw);
863 ice_free_hw_tbls(hw);
864 ice_destroy_lock(&hw->tnl_lock);
867 ice_free(hw, hw->port_info);
868 hw->port_info = NULL;
871 ice_destroy_all_ctrlq(hw);
873 /* Clear VSI contexts if not already cleared */
874 ice_clear_all_vsi_ctx(hw);
878 * ice_check_reset - Check to see if a global reset is complete
879 * @hw: pointer to the hardware structure
881 enum ice_status ice_check_reset(struct ice_hw *hw)
883 u32 cnt, reg = 0, grst_timeout, uld_mask;
885 /* Poll for Device Active state in case a recent CORER, GLOBR,
886 * or EMPR has occurred. The grst delay value is in 100ms units.
887 * Add 1sec for outstanding AQ commands that can take a long time.
889 grst_timeout = ((rd32(hw, GLGEN_RSTCTL) & GLGEN_RSTCTL_GRSTDEL_M) >>
890 GLGEN_RSTCTL_GRSTDEL_S) + 10;
892 for (cnt = 0; cnt < grst_timeout; cnt++) {
893 ice_msec_delay(100, true);
894 reg = rd32(hw, GLGEN_RSTAT);
895 if (!(reg & GLGEN_RSTAT_DEVSTATE_M))
899 if (cnt == grst_timeout) {
900 ice_debug(hw, ICE_DBG_INIT,
901 "Global reset polling failed to complete.\n");
902 return ICE_ERR_RESET_FAILED;
905 #define ICE_RESET_DONE_MASK (GLNVM_ULD_PCIER_DONE_M |\
906 GLNVM_ULD_PCIER_DONE_1_M |\
907 GLNVM_ULD_CORER_DONE_M |\
908 GLNVM_ULD_GLOBR_DONE_M |\
909 GLNVM_ULD_POR_DONE_M |\
910 GLNVM_ULD_POR_DONE_1_M |\
911 GLNVM_ULD_PCIER_DONE_2_M)
913 uld_mask = ICE_RESET_DONE_MASK;
915 /* Device is Active; check Global Reset processes are done */
916 for (cnt = 0; cnt < ICE_PF_RESET_WAIT_COUNT; cnt++) {
917 reg = rd32(hw, GLNVM_ULD) & uld_mask;
918 if (reg == uld_mask) {
919 ice_debug(hw, ICE_DBG_INIT,
920 "Global reset processes done. %d\n", cnt);
923 ice_msec_delay(10, true);
926 if (cnt == ICE_PF_RESET_WAIT_COUNT) {
927 ice_debug(hw, ICE_DBG_INIT,
928 "Wait for Reset Done timed out. GLNVM_ULD = 0x%x\n",
930 return ICE_ERR_RESET_FAILED;
937 * ice_pf_reset - Reset the PF
938 * @hw: pointer to the hardware structure
940 * If a global reset has been triggered, this function checks
941 * for its completion and then issues the PF reset
943 static enum ice_status ice_pf_reset(struct ice_hw *hw)
947 /* If at function entry a global reset was already in progress, i.e.
948 * state is not 'device active' or any of the reset done bits are not
949 * set in GLNVM_ULD, there is no need for a PF Reset; poll until the
950 * global reset is done.
952 if ((rd32(hw, GLGEN_RSTAT) & GLGEN_RSTAT_DEVSTATE_M) ||
953 (rd32(hw, GLNVM_ULD) & ICE_RESET_DONE_MASK) ^ ICE_RESET_DONE_MASK) {
954 /* poll on global reset currently in progress until done */
955 if (ice_check_reset(hw))
956 return ICE_ERR_RESET_FAILED;
962 reg = rd32(hw, PFGEN_CTRL);
964 wr32(hw, PFGEN_CTRL, (reg | PFGEN_CTRL_PFSWR_M));
966 /* Wait for the PFR to complete. The wait time is the global config lock
967 * timeout plus the PFR timeout which will account for a possible reset
968 * that is occurring during a download package operation.
970 for (cnt = 0; cnt < ICE_GLOBAL_CFG_LOCK_TIMEOUT +
971 ICE_PF_RESET_WAIT_COUNT; cnt++) {
972 reg = rd32(hw, PFGEN_CTRL);
973 if (!(reg & PFGEN_CTRL_PFSWR_M))
976 ice_msec_delay(1, true);
979 if (cnt == ICE_PF_RESET_WAIT_COUNT) {
980 ice_debug(hw, ICE_DBG_INIT,
981 "PF reset polling failed to complete.\n");
982 return ICE_ERR_RESET_FAILED;
989 * ice_reset - Perform different types of reset
990 * @hw: pointer to the hardware structure
991 * @req: reset request
993 * This function triggers a reset as specified by the req parameter.
996 * If anything other than a PF reset is triggered, PXE mode is restored.
997 * This has to be cleared using ice_clear_pxe_mode again, once the AQ
998 * interface has been restored in the rebuild flow.
1000 enum ice_status ice_reset(struct ice_hw *hw, enum ice_reset_req req)
1006 return ice_pf_reset(hw);
1007 case ICE_RESET_CORER:
1008 ice_debug(hw, ICE_DBG_INIT, "CoreR requested\n");
1009 val = GLGEN_RTRIG_CORER_M;
1011 case ICE_RESET_GLOBR:
1012 ice_debug(hw, ICE_DBG_INIT, "GlobalR requested\n");
1013 val = GLGEN_RTRIG_GLOBR_M;
1016 return ICE_ERR_PARAM;
1019 val |= rd32(hw, GLGEN_RTRIG);
1020 wr32(hw, GLGEN_RTRIG, val);
1023 /* wait for the FW to be ready */
1024 return ice_check_reset(hw);
1028 * ice_copy_rxq_ctx_to_hw
1029 * @hw: pointer to the hardware structure
1030 * @ice_rxq_ctx: pointer to the rxq context
1031 * @rxq_index: the index of the Rx queue
1033 * Copies rxq context from dense structure to HW register space
1035 static enum ice_status
1036 ice_copy_rxq_ctx_to_hw(struct ice_hw *hw, u8 *ice_rxq_ctx, u32 rxq_index)
1041 return ICE_ERR_BAD_PTR;
1043 if (rxq_index > QRX_CTRL_MAX_INDEX)
1044 return ICE_ERR_PARAM;
1046 /* Copy each dword separately to HW */
1047 for (i = 0; i < ICE_RXQ_CTX_SIZE_DWORDS; i++) {
1048 wr32(hw, QRX_CONTEXT(i, rxq_index),
1049 *((u32 *)(ice_rxq_ctx + (i * sizeof(u32)))));
1051 ice_debug(hw, ICE_DBG_QCTX, "qrxdata[%d]: %08X\n", i,
1052 *((u32 *)(ice_rxq_ctx + (i * sizeof(u32)))));
1058 /* LAN Rx Queue Context */
1059 static const struct ice_ctx_ele ice_rlan_ctx_info[] = {
1060 /* Field Width LSB */
1061 ICE_CTX_STORE(ice_rlan_ctx, head, 13, 0),
1062 ICE_CTX_STORE(ice_rlan_ctx, cpuid, 8, 13),
1063 ICE_CTX_STORE(ice_rlan_ctx, base, 57, 32),
1064 ICE_CTX_STORE(ice_rlan_ctx, qlen, 13, 89),
1065 ICE_CTX_STORE(ice_rlan_ctx, dbuf, 7, 102),
1066 ICE_CTX_STORE(ice_rlan_ctx, hbuf, 5, 109),
1067 ICE_CTX_STORE(ice_rlan_ctx, dtype, 2, 114),
1068 ICE_CTX_STORE(ice_rlan_ctx, dsize, 1, 116),
1069 ICE_CTX_STORE(ice_rlan_ctx, crcstrip, 1, 117),
1070 ICE_CTX_STORE(ice_rlan_ctx, l2tsel, 1, 119),
1071 ICE_CTX_STORE(ice_rlan_ctx, hsplit_0, 4, 120),
1072 ICE_CTX_STORE(ice_rlan_ctx, hsplit_1, 2, 124),
1073 ICE_CTX_STORE(ice_rlan_ctx, showiv, 1, 127),
1074 ICE_CTX_STORE(ice_rlan_ctx, rxmax, 14, 174),
1075 ICE_CTX_STORE(ice_rlan_ctx, tphrdesc_ena, 1, 193),
1076 ICE_CTX_STORE(ice_rlan_ctx, tphwdesc_ena, 1, 194),
1077 ICE_CTX_STORE(ice_rlan_ctx, tphdata_ena, 1, 195),
1078 ICE_CTX_STORE(ice_rlan_ctx, tphhead_ena, 1, 196),
1079 ICE_CTX_STORE(ice_rlan_ctx, lrxqthresh, 3, 198),
1080 ICE_CTX_STORE(ice_rlan_ctx, prefena, 1, 201),
1086 * @hw: pointer to the hardware structure
1087 * @rlan_ctx: pointer to the rxq context
1088 * @rxq_index: the index of the Rx queue
1090 * Converts rxq context from sparse to dense structure and then writes
1091 * it to HW register space and enables the hardware to prefetch descriptors
1092 * instead of only fetching them on demand
1095 ice_write_rxq_ctx(struct ice_hw *hw, struct ice_rlan_ctx *rlan_ctx,
1098 u8 ctx_buf[ICE_RXQ_CTX_SZ] = { 0 };
1101 return ICE_ERR_BAD_PTR;
1103 rlan_ctx->prefena = 1;
1105 ice_set_ctx(hw, (u8 *)rlan_ctx, ctx_buf, ice_rlan_ctx_info);
1106 return ice_copy_rxq_ctx_to_hw(hw, ctx_buf, rxq_index);
1111 * @hw: pointer to the hardware structure
1112 * @rxq_index: the index of the Rx queue to clear
1114 * Clears rxq context in HW register space
1116 enum ice_status ice_clear_rxq_ctx(struct ice_hw *hw, u32 rxq_index)
1120 if (rxq_index > QRX_CTRL_MAX_INDEX)
1121 return ICE_ERR_PARAM;
1123 /* Clear each dword register separately */
1124 for (i = 0; i < ICE_RXQ_CTX_SIZE_DWORDS; i++)
1125 wr32(hw, QRX_CONTEXT(i, rxq_index), 0);
1130 /* LAN Tx Queue Context */
1131 const struct ice_ctx_ele ice_tlan_ctx_info[] = {
1132 /* Field Width LSB */
1133 ICE_CTX_STORE(ice_tlan_ctx, base, 57, 0),
1134 ICE_CTX_STORE(ice_tlan_ctx, port_num, 3, 57),
1135 ICE_CTX_STORE(ice_tlan_ctx, cgd_num, 5, 60),
1136 ICE_CTX_STORE(ice_tlan_ctx, pf_num, 3, 65),
1137 ICE_CTX_STORE(ice_tlan_ctx, vmvf_num, 10, 68),
1138 ICE_CTX_STORE(ice_tlan_ctx, vmvf_type, 2, 78),
1139 ICE_CTX_STORE(ice_tlan_ctx, src_vsi, 10, 80),
1140 ICE_CTX_STORE(ice_tlan_ctx, tsyn_ena, 1, 90),
1141 ICE_CTX_STORE(ice_tlan_ctx, internal_usage_flag, 1, 91),
1142 ICE_CTX_STORE(ice_tlan_ctx, alt_vlan, 1, 92),
1143 ICE_CTX_STORE(ice_tlan_ctx, cpuid, 8, 93),
1144 ICE_CTX_STORE(ice_tlan_ctx, wb_mode, 1, 101),
1145 ICE_CTX_STORE(ice_tlan_ctx, tphrd_desc, 1, 102),
1146 ICE_CTX_STORE(ice_tlan_ctx, tphrd, 1, 103),
1147 ICE_CTX_STORE(ice_tlan_ctx, tphwr_desc, 1, 104),
1148 ICE_CTX_STORE(ice_tlan_ctx, cmpq_id, 9, 105),
1149 ICE_CTX_STORE(ice_tlan_ctx, qnum_in_func, 14, 114),
1150 ICE_CTX_STORE(ice_tlan_ctx, itr_notification_mode, 1, 128),
1151 ICE_CTX_STORE(ice_tlan_ctx, adjust_prof_id, 6, 129),
1152 ICE_CTX_STORE(ice_tlan_ctx, qlen, 13, 135),
1153 ICE_CTX_STORE(ice_tlan_ctx, quanta_prof_idx, 4, 148),
1154 ICE_CTX_STORE(ice_tlan_ctx, tso_ena, 1, 152),
1155 ICE_CTX_STORE(ice_tlan_ctx, tso_qnum, 11, 153),
1156 ICE_CTX_STORE(ice_tlan_ctx, legacy_int, 1, 164),
1157 ICE_CTX_STORE(ice_tlan_ctx, drop_ena, 1, 165),
1158 ICE_CTX_STORE(ice_tlan_ctx, cache_prof_idx, 2, 166),
1159 ICE_CTX_STORE(ice_tlan_ctx, pkt_shaper_prof_idx, 3, 168),
1160 ICE_CTX_STORE(ice_tlan_ctx, int_q_state, 122, 171),
1165 * ice_copy_tx_cmpltnq_ctx_to_hw
1166 * @hw: pointer to the hardware structure
1167 * @ice_tx_cmpltnq_ctx: pointer to the Tx completion queue context
1168 * @tx_cmpltnq_index: the index of the completion queue
1170 * Copies Tx completion queue context from dense structure to HW register space
1172 static enum ice_status
1173 ice_copy_tx_cmpltnq_ctx_to_hw(struct ice_hw *hw, u8 *ice_tx_cmpltnq_ctx,
1174 u32 tx_cmpltnq_index)
1178 if (!ice_tx_cmpltnq_ctx)
1179 return ICE_ERR_BAD_PTR;
1181 if (tx_cmpltnq_index > GLTCLAN_CQ_CNTX0_MAX_INDEX)
1182 return ICE_ERR_PARAM;
1184 /* Copy each dword separately to HW */
1185 for (i = 0; i < ICE_TX_CMPLTNQ_CTX_SIZE_DWORDS; i++) {
1186 wr32(hw, GLTCLAN_CQ_CNTX(i, tx_cmpltnq_index),
1187 *((u32 *)(ice_tx_cmpltnq_ctx + (i * sizeof(u32)))));
1189 ice_debug(hw, ICE_DBG_QCTX, "cmpltnqdata[%d]: %08X\n", i,
1190 *((u32 *)(ice_tx_cmpltnq_ctx + (i * sizeof(u32)))));
1196 /* LAN Tx Completion Queue Context */
1197 static const struct ice_ctx_ele ice_tx_cmpltnq_ctx_info[] = {
1198 /* Field Width LSB */
1199 ICE_CTX_STORE(ice_tx_cmpltnq_ctx, base, 57, 0),
1200 ICE_CTX_STORE(ice_tx_cmpltnq_ctx, q_len, 18, 64),
1201 ICE_CTX_STORE(ice_tx_cmpltnq_ctx, generation, 1, 96),
1202 ICE_CTX_STORE(ice_tx_cmpltnq_ctx, wrt_ptr, 22, 97),
1203 ICE_CTX_STORE(ice_tx_cmpltnq_ctx, pf_num, 3, 128),
1204 ICE_CTX_STORE(ice_tx_cmpltnq_ctx, vmvf_num, 10, 131),
1205 ICE_CTX_STORE(ice_tx_cmpltnq_ctx, vmvf_type, 2, 141),
1206 ICE_CTX_STORE(ice_tx_cmpltnq_ctx, tph_desc_wr, 1, 160),
1207 ICE_CTX_STORE(ice_tx_cmpltnq_ctx, cpuid, 8, 161),
1208 ICE_CTX_STORE(ice_tx_cmpltnq_ctx, cmpltn_cache, 512, 192),
1213 * ice_write_tx_cmpltnq_ctx
1214 * @hw: pointer to the hardware structure
1215 * @tx_cmpltnq_ctx: pointer to the completion queue context
1216 * @tx_cmpltnq_index: the index of the completion queue
1218 * Converts completion queue context from sparse to dense structure and then
1219 * writes it to HW register space
1222 ice_write_tx_cmpltnq_ctx(struct ice_hw *hw,
1223 struct ice_tx_cmpltnq_ctx *tx_cmpltnq_ctx,
1224 u32 tx_cmpltnq_index)
1226 u8 ctx_buf[ICE_TX_CMPLTNQ_CTX_SIZE_DWORDS * sizeof(u32)] = { 0 };
1228 ice_set_ctx(hw, (u8 *)tx_cmpltnq_ctx, ctx_buf, ice_tx_cmpltnq_ctx_info);
1229 return ice_copy_tx_cmpltnq_ctx_to_hw(hw, ctx_buf, tx_cmpltnq_index);
1233 * ice_clear_tx_cmpltnq_ctx
1234 * @hw: pointer to the hardware structure
1235 * @tx_cmpltnq_index: the index of the completion queue to clear
1237 * Clears Tx completion queue context in HW register space
1240 ice_clear_tx_cmpltnq_ctx(struct ice_hw *hw, u32 tx_cmpltnq_index)
1244 if (tx_cmpltnq_index > GLTCLAN_CQ_CNTX0_MAX_INDEX)
1245 return ICE_ERR_PARAM;
1247 /* Clear each dword register separately */
1248 for (i = 0; i < ICE_TX_CMPLTNQ_CTX_SIZE_DWORDS; i++)
1249 wr32(hw, GLTCLAN_CQ_CNTX(i, tx_cmpltnq_index), 0);
1255 * ice_copy_tx_drbell_q_ctx_to_hw
1256 * @hw: pointer to the hardware structure
1257 * @ice_tx_drbell_q_ctx: pointer to the doorbell queue context
1258 * @tx_drbell_q_index: the index of the doorbell queue
1260 * Copies doorbell queue context from dense structure to HW register space
1262 static enum ice_status
1263 ice_copy_tx_drbell_q_ctx_to_hw(struct ice_hw *hw, u8 *ice_tx_drbell_q_ctx,
1264 u32 tx_drbell_q_index)
1268 if (!ice_tx_drbell_q_ctx)
1269 return ICE_ERR_BAD_PTR;
1271 if (tx_drbell_q_index > QTX_COMM_DBLQ_DBELL_MAX_INDEX)
1272 return ICE_ERR_PARAM;
1274 /* Copy each dword separately to HW */
1275 for (i = 0; i < ICE_TX_DRBELL_Q_CTX_SIZE_DWORDS; i++) {
1276 wr32(hw, QTX_COMM_DBLQ_CNTX(i, tx_drbell_q_index),
1277 *((u32 *)(ice_tx_drbell_q_ctx + (i * sizeof(u32)))));
1279 ice_debug(hw, ICE_DBG_QCTX, "tx_drbell_qdata[%d]: %08X\n", i,
1280 *((u32 *)(ice_tx_drbell_q_ctx + (i * sizeof(u32)))));
1286 /* LAN Tx Doorbell Queue Context info */
1287 static const struct ice_ctx_ele ice_tx_drbell_q_ctx_info[] = {
1288 /* Field Width LSB */
1289 ICE_CTX_STORE(ice_tx_drbell_q_ctx, base, 57, 0),
1290 ICE_CTX_STORE(ice_tx_drbell_q_ctx, ring_len, 13, 64),
1291 ICE_CTX_STORE(ice_tx_drbell_q_ctx, pf_num, 3, 80),
1292 ICE_CTX_STORE(ice_tx_drbell_q_ctx, vf_num, 8, 84),
1293 ICE_CTX_STORE(ice_tx_drbell_q_ctx, vmvf_type, 2, 94),
1294 ICE_CTX_STORE(ice_tx_drbell_q_ctx, cpuid, 8, 96),
1295 ICE_CTX_STORE(ice_tx_drbell_q_ctx, tph_desc_rd, 1, 104),
1296 ICE_CTX_STORE(ice_tx_drbell_q_ctx, tph_desc_wr, 1, 108),
1297 ICE_CTX_STORE(ice_tx_drbell_q_ctx, db_q_en, 1, 112),
1298 ICE_CTX_STORE(ice_tx_drbell_q_ctx, rd_head, 13, 128),
1299 ICE_CTX_STORE(ice_tx_drbell_q_ctx, rd_tail, 13, 144),
1304 * ice_write_tx_drbell_q_ctx
1305 * @hw: pointer to the hardware structure
1306 * @tx_drbell_q_ctx: pointer to the doorbell queue context
1307 * @tx_drbell_q_index: the index of the doorbell queue
1309 * Converts doorbell queue context from sparse to dense structure and then
1310 * writes it to HW register space
1313 ice_write_tx_drbell_q_ctx(struct ice_hw *hw,
1314 struct ice_tx_drbell_q_ctx *tx_drbell_q_ctx,
1315 u32 tx_drbell_q_index)
1317 u8 ctx_buf[ICE_TX_DRBELL_Q_CTX_SIZE_DWORDS * sizeof(u32)] = { 0 };
1319 ice_set_ctx(hw, (u8 *)tx_drbell_q_ctx, ctx_buf,
1320 ice_tx_drbell_q_ctx_info);
1321 return ice_copy_tx_drbell_q_ctx_to_hw(hw, ctx_buf, tx_drbell_q_index);
1325 * ice_clear_tx_drbell_q_ctx
1326 * @hw: pointer to the hardware structure
1327 * @tx_drbell_q_index: the index of the doorbell queue to clear
1329 * Clears doorbell queue context in HW register space
1332 ice_clear_tx_drbell_q_ctx(struct ice_hw *hw, u32 tx_drbell_q_index)
1336 if (tx_drbell_q_index > QTX_COMM_DBLQ_DBELL_MAX_INDEX)
1337 return ICE_ERR_PARAM;
1339 /* Clear each dword register separately */
1340 for (i = 0; i < ICE_TX_DRBELL_Q_CTX_SIZE_DWORDS; i++)
1341 wr32(hw, QTX_COMM_DBLQ_CNTX(i, tx_drbell_q_index), 0);
1346 /* FW Admin Queue command wrappers */
1349 * ice_aq_send_cmd - send FW Admin Queue command to FW Admin Queue
1350 * @hw: pointer to the HW struct
1351 * @desc: descriptor describing the command
1352 * @buf: buffer to use for indirect commands (NULL for direct commands)
1353 * @buf_size: size of buffer for indirect commands (0 for direct commands)
1354 * @cd: pointer to command details structure
1356 * Helper function to send FW Admin Queue commands to the FW Admin Queue.
1359 ice_aq_send_cmd(struct ice_hw *hw, struct ice_aq_desc *desc, void *buf,
1360 u16 buf_size, struct ice_sq_cd *cd)
1362 if (hw->aq_send_cmd_fn) {
1363 enum ice_status status = ICE_ERR_NOT_READY;
1364 u16 retval = ICE_AQ_RC_OK;
1366 ice_acquire_lock(&hw->adminq.sq_lock);
1367 if (!hw->aq_send_cmd_fn(hw->aq_send_cmd_param, desc,
1369 retval = LE16_TO_CPU(desc->retval);
1370 /* strip off FW internal code */
1373 if (retval == ICE_AQ_RC_OK)
1374 status = ICE_SUCCESS;
1376 status = ICE_ERR_AQ_ERROR;
1379 hw->adminq.sq_last_status = (enum ice_aq_err)retval;
1380 ice_release_lock(&hw->adminq.sq_lock);
1384 return ice_sq_send_cmd(hw, &hw->adminq, desc, buf, buf_size, cd);
1389 * @hw: pointer to the HW struct
1390 * @cd: pointer to command details structure or NULL
1392 * Get the firmware version (0x0001) from the admin queue commands
1394 enum ice_status ice_aq_get_fw_ver(struct ice_hw *hw, struct ice_sq_cd *cd)
1396 struct ice_aqc_get_ver *resp;
1397 struct ice_aq_desc desc;
1398 enum ice_status status;
1400 resp = &desc.params.get_ver;
1402 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_ver);
1404 status = ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
1407 hw->fw_branch = resp->fw_branch;
1408 hw->fw_maj_ver = resp->fw_major;
1409 hw->fw_min_ver = resp->fw_minor;
1410 hw->fw_patch = resp->fw_patch;
1411 hw->fw_build = LE32_TO_CPU(resp->fw_build);
1412 hw->api_branch = resp->api_branch;
1413 hw->api_maj_ver = resp->api_major;
1414 hw->api_min_ver = resp->api_minor;
1415 hw->api_patch = resp->api_patch;
1422 * ice_aq_send_driver_ver
1423 * @hw: pointer to the HW struct
1424 * @dv: driver's major, minor version
1425 * @cd: pointer to command details structure or NULL
1427 * Send the driver version (0x0002) to the firmware
1430 ice_aq_send_driver_ver(struct ice_hw *hw, struct ice_driver_ver *dv,
1431 struct ice_sq_cd *cd)
1433 struct ice_aqc_driver_ver *cmd;
1434 struct ice_aq_desc desc;
1437 cmd = &desc.params.driver_ver;
1440 return ICE_ERR_PARAM;
1442 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_driver_ver);
1444 desc.flags |= CPU_TO_LE16(ICE_AQ_FLAG_RD);
1445 cmd->major_ver = dv->major_ver;
1446 cmd->minor_ver = dv->minor_ver;
1447 cmd->build_ver = dv->build_ver;
1448 cmd->subbuild_ver = dv->subbuild_ver;
1451 while (len < sizeof(dv->driver_string) &&
1452 IS_ASCII(dv->driver_string[len]) && dv->driver_string[len])
1455 return ice_aq_send_cmd(hw, &desc, dv->driver_string, len, cd);
1460 * @hw: pointer to the HW struct
1461 * @unloading: is the driver unloading itself
1463 * Tell the Firmware that we're shutting down the AdminQ and whether
1464 * or not the driver is unloading as well (0x0003).
1466 enum ice_status ice_aq_q_shutdown(struct ice_hw *hw, bool unloading)
1468 struct ice_aqc_q_shutdown *cmd;
1469 struct ice_aq_desc desc;
1471 cmd = &desc.params.q_shutdown;
1473 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_q_shutdown);
1476 cmd->driver_unloading = ICE_AQC_DRIVER_UNLOADING;
1478 return ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
1483 * @hw: pointer to the HW struct
1485 * @access: access type
1486 * @sdp_number: resource number
1487 * @timeout: the maximum time in ms that the driver may hold the resource
1488 * @cd: pointer to command details structure or NULL
1490 * Requests common resource using the admin queue commands (0x0008).
1491 * When attempting to acquire the Global Config Lock, the driver can
1492 * learn of three states:
1493 * 1) ICE_SUCCESS - acquired lock, and can perform download package
1494 * 2) ICE_ERR_AQ_ERROR - did not get lock, driver should fail to load
1495 * 3) ICE_ERR_AQ_NO_WORK - did not get lock, but another driver has
1496 * successfully downloaded the package; the driver does
1497 * not have to download the package and can continue
1500 * Note that if the caller is in an acquire lock, perform action, release lock
1501 * phase of operation, it is possible that the FW may detect a timeout and issue
1502 * a CORER. In this case, the driver will receive a CORER interrupt and will
1503 * have to determine its cause. The calling thread that is handling this flow
1504 * will likely get an error propagated back to it indicating the Download
1505 * Package, Update Package or the Release Resource AQ commands timed out.
1507 static enum ice_status
1508 ice_aq_req_res(struct ice_hw *hw, enum ice_aq_res_ids res,
1509 enum ice_aq_res_access_type access, u8 sdp_number, u32 *timeout,
1510 struct ice_sq_cd *cd)
1512 struct ice_aqc_req_res *cmd_resp;
1513 struct ice_aq_desc desc;
1514 enum ice_status status;
1516 ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__);
1518 cmd_resp = &desc.params.res_owner;
1520 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_req_res);
1522 cmd_resp->res_id = CPU_TO_LE16(res);
1523 cmd_resp->access_type = CPU_TO_LE16(access);
1524 cmd_resp->res_number = CPU_TO_LE32(sdp_number);
1525 cmd_resp->timeout = CPU_TO_LE32(*timeout);
1528 status = ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
1530 /* The completion specifies the maximum time in ms that the driver
1531 * may hold the resource in the Timeout field.
1534 /* Global config lock response utilizes an additional status field.
1536 * If the Global config lock resource is held by some other driver, the
1537 * command completes with ICE_AQ_RES_GLBL_IN_PROG in the status field
1538 * and the timeout field indicates the maximum time the current owner
1539 * of the resource has to free it.
1541 if (res == ICE_GLOBAL_CFG_LOCK_RES_ID) {
1542 if (LE16_TO_CPU(cmd_resp->status) == ICE_AQ_RES_GLBL_SUCCESS) {
1543 *timeout = LE32_TO_CPU(cmd_resp->timeout);
1545 } else if (LE16_TO_CPU(cmd_resp->status) ==
1546 ICE_AQ_RES_GLBL_IN_PROG) {
1547 *timeout = LE32_TO_CPU(cmd_resp->timeout);
1548 return ICE_ERR_AQ_ERROR;
1549 } else if (LE16_TO_CPU(cmd_resp->status) ==
1550 ICE_AQ_RES_GLBL_DONE) {
1551 return ICE_ERR_AQ_NO_WORK;
1554 /* invalid FW response, force a timeout immediately */
1556 return ICE_ERR_AQ_ERROR;
1559 /* If the resource is held by some other driver, the command completes
1560 * with a busy return value and the timeout field indicates the maximum
1561 * time the current owner of the resource has to free it.
1563 if (!status || hw->adminq.sq_last_status == ICE_AQ_RC_EBUSY)
1564 *timeout = LE32_TO_CPU(cmd_resp->timeout);
1570 * ice_aq_release_res
1571 * @hw: pointer to the HW struct
1573 * @sdp_number: resource number
1574 * @cd: pointer to command details structure or NULL
1576 * release common resource using the admin queue commands (0x0009)
1578 static enum ice_status
1579 ice_aq_release_res(struct ice_hw *hw, enum ice_aq_res_ids res, u8 sdp_number,
1580 struct ice_sq_cd *cd)
1582 struct ice_aqc_req_res *cmd;
1583 struct ice_aq_desc desc;
1585 ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__);
1587 cmd = &desc.params.res_owner;
1589 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_release_res);
1591 cmd->res_id = CPU_TO_LE16(res);
1592 cmd->res_number = CPU_TO_LE32(sdp_number);
1594 return ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
1599 * @hw: pointer to the HW structure
1601 * @access: access type (read or write)
1602 * @timeout: timeout in milliseconds
1604 * This function will attempt to acquire the ownership of a resource.
1607 ice_acquire_res(struct ice_hw *hw, enum ice_aq_res_ids res,
1608 enum ice_aq_res_access_type access, u32 timeout)
1610 #define ICE_RES_POLLING_DELAY_MS 10
1611 u32 delay = ICE_RES_POLLING_DELAY_MS;
1612 u32 time_left = timeout;
1613 enum ice_status status;
1615 ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__);
1617 status = ice_aq_req_res(hw, res, access, 0, &time_left, NULL);
1619 /* A return code of ICE_ERR_AQ_NO_WORK means that another driver has
1620 * previously acquired the resource and performed any necessary updates;
1621 * in this case the caller does not obtain the resource and has no
1622 * further work to do.
1624 if (status == ICE_ERR_AQ_NO_WORK)
1625 goto ice_acquire_res_exit;
1628 ice_debug(hw, ICE_DBG_RES,
1629 "resource %d acquire type %d failed.\n", res, access);
1631 /* If necessary, poll until the current lock owner timeouts */
1632 timeout = time_left;
1633 while (status && timeout && time_left) {
1634 ice_msec_delay(delay, true);
1635 timeout = (timeout > delay) ? timeout - delay : 0;
1636 status = ice_aq_req_res(hw, res, access, 0, &time_left, NULL);
1638 if (status == ICE_ERR_AQ_NO_WORK)
1639 /* lock free, but no work to do */
1646 if (status && status != ICE_ERR_AQ_NO_WORK)
1647 ice_debug(hw, ICE_DBG_RES, "resource acquire timed out.\n");
1649 ice_acquire_res_exit:
1650 if (status == ICE_ERR_AQ_NO_WORK) {
1651 if (access == ICE_RES_WRITE)
1652 ice_debug(hw, ICE_DBG_RES,
1653 "resource indicates no work to do.\n");
1655 ice_debug(hw, ICE_DBG_RES,
1656 "Warning: ICE_ERR_AQ_NO_WORK not expected\n");
1663 * @hw: pointer to the HW structure
1666 * This function will release a resource using the proper Admin Command.
1668 void ice_release_res(struct ice_hw *hw, enum ice_aq_res_ids res)
1670 enum ice_status status;
1671 u32 total_delay = 0;
1673 ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__);
1675 status = ice_aq_release_res(hw, res, 0, NULL);
1677 /* there are some rare cases when trying to release the resource
1678 * results in an admin queue timeout, so handle them correctly
1680 while ((status == ICE_ERR_AQ_TIMEOUT) &&
1681 (total_delay < hw->adminq.sq_cmd_timeout)) {
1682 ice_msec_delay(1, true);
1683 status = ice_aq_release_res(hw, res, 0, NULL);
1689 * ice_aq_alloc_free_res - command to allocate/free resources
1690 * @hw: pointer to the HW struct
1691 * @num_entries: number of resource entries in buffer
1692 * @buf: Indirect buffer to hold data parameters and response
1693 * @buf_size: size of buffer for indirect commands
1694 * @opc: pass in the command opcode
1695 * @cd: pointer to command details structure or NULL
1697 * Helper function to allocate/free resources using the admin queue commands
1700 ice_aq_alloc_free_res(struct ice_hw *hw, u16 num_entries,
1701 struct ice_aqc_alloc_free_res_elem *buf, u16 buf_size,
1702 enum ice_adminq_opc opc, struct ice_sq_cd *cd)
1704 struct ice_aqc_alloc_free_res_cmd *cmd;
1705 struct ice_aq_desc desc;
1707 ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__);
1709 cmd = &desc.params.sw_res_ctrl;
1712 return ICE_ERR_PARAM;
1714 if (buf_size < (num_entries * sizeof(buf->elem[0])))
1715 return ICE_ERR_PARAM;
1717 ice_fill_dflt_direct_cmd_desc(&desc, opc);
1719 desc.flags |= CPU_TO_LE16(ICE_AQ_FLAG_RD);
1721 cmd->num_entries = CPU_TO_LE16(num_entries);
1723 return ice_aq_send_cmd(hw, &desc, buf, buf_size, cd);
1727 * ice_alloc_hw_res - allocate resource
1728 * @hw: pointer to the HW struct
1729 * @type: type of resource
1730 * @num: number of resources to allocate
1731 * @btm: allocate from bottom
1732 * @res: pointer to array that will receive the resources
1735 ice_alloc_hw_res(struct ice_hw *hw, u16 type, u16 num, bool btm, u16 *res)
1737 struct ice_aqc_alloc_free_res_elem *buf;
1738 enum ice_status status;
1741 buf_len = ice_struct_size(buf, elem, num - 1);
1742 buf = (struct ice_aqc_alloc_free_res_elem *)
1743 ice_malloc(hw, buf_len);
1745 return ICE_ERR_NO_MEMORY;
1747 /* Prepare buffer to allocate resource. */
1748 buf->num_elems = CPU_TO_LE16(num);
1749 buf->res_type = CPU_TO_LE16(type | ICE_AQC_RES_TYPE_FLAG_DEDICATED |
1750 ICE_AQC_RES_TYPE_FLAG_IGNORE_INDEX);
1752 buf->res_type |= CPU_TO_LE16(ICE_AQC_RES_TYPE_FLAG_SCAN_BOTTOM);
1754 status = ice_aq_alloc_free_res(hw, 1, buf, buf_len,
1755 ice_aqc_opc_alloc_res, NULL);
1757 goto ice_alloc_res_exit;
1759 ice_memcpy(res, buf->elem, sizeof(buf->elem) * num,
1760 ICE_NONDMA_TO_NONDMA);
1768 * ice_free_hw_res - free allocated HW resource
1769 * @hw: pointer to the HW struct
1770 * @type: type of resource to free
1771 * @num: number of resources
1772 * @res: pointer to array that contains the resources to free
1774 enum ice_status ice_free_hw_res(struct ice_hw *hw, u16 type, u16 num, u16 *res)
1776 struct ice_aqc_alloc_free_res_elem *buf;
1777 enum ice_status status;
1780 buf_len = ice_struct_size(buf, elem, num - 1);
1781 buf = (struct ice_aqc_alloc_free_res_elem *)ice_malloc(hw, buf_len);
1783 return ICE_ERR_NO_MEMORY;
1785 /* Prepare buffer to free resource. */
1786 buf->num_elems = CPU_TO_LE16(num);
1787 buf->res_type = CPU_TO_LE16(type);
1788 ice_memcpy(buf->elem, res, sizeof(buf->elem) * num,
1789 ICE_NONDMA_TO_NONDMA);
1791 status = ice_aq_alloc_free_res(hw, num, buf, buf_len,
1792 ice_aqc_opc_free_res, NULL);
1794 ice_debug(hw, ICE_DBG_SW, "CQ CMD Buffer:\n");
1801 * ice_get_num_per_func - determine number of resources per PF
1802 * @hw: pointer to the HW structure
1803 * @max: value to be evenly split between each PF
1805 * Determine the number of valid functions by going through the bitmap returned
1806 * from parsing capabilities and use this to calculate the number of resources
1807 * per PF based on the max value passed in.
1809 static u32 ice_get_num_per_func(struct ice_hw *hw, u32 max)
1813 #define ICE_CAPS_VALID_FUNCS_M 0xFF
1814 funcs = ice_hweight8(hw->dev_caps.common_cap.valid_functions &
1815 ICE_CAPS_VALID_FUNCS_M);
1824 * ice_parse_common_caps - parse common device/function capabilities
1825 * @hw: pointer to the HW struct
1826 * @caps: pointer to common capabilities structure
1827 * @elem: the capability element to parse
1828 * @prefix: message prefix for tracing capabilities
1830 * Given a capability element, extract relevant details into the common
1831 * capability structure.
1833 * Returns: true if the capability matches one of the common capability ids,
1837 ice_parse_common_caps(struct ice_hw *hw, struct ice_hw_common_caps *caps,
1838 struct ice_aqc_list_caps_elem *elem, const char *prefix)
1840 u32 logical_id = LE32_TO_CPU(elem->logical_id);
1841 u32 phys_id = LE32_TO_CPU(elem->phys_id);
1842 u32 number = LE32_TO_CPU(elem->number);
1843 u16 cap = LE16_TO_CPU(elem->cap);
1847 case ICE_AQC_CAPS_VALID_FUNCTIONS:
1848 caps->valid_functions = number;
1849 ice_debug(hw, ICE_DBG_INIT,
1850 "%s: valid_functions (bitmap) = %d\n", prefix,
1851 caps->valid_functions);
1853 case ICE_AQC_CAPS_DCB:
1854 caps->dcb = (number == 1);
1855 caps->active_tc_bitmap = logical_id;
1856 caps->maxtc = phys_id;
1857 ice_debug(hw, ICE_DBG_INIT,
1858 "%s: dcb = %d\n", prefix, caps->dcb);
1859 ice_debug(hw, ICE_DBG_INIT,
1860 "%s: active_tc_bitmap = %d\n", prefix,
1861 caps->active_tc_bitmap);
1862 ice_debug(hw, ICE_DBG_INIT,
1863 "%s: maxtc = %d\n", prefix, caps->maxtc);
1865 case ICE_AQC_CAPS_RSS:
1866 caps->rss_table_size = number;
1867 caps->rss_table_entry_width = logical_id;
1868 ice_debug(hw, ICE_DBG_INIT,
1869 "%s: rss_table_size = %d\n", prefix,
1870 caps->rss_table_size);
1871 ice_debug(hw, ICE_DBG_INIT,
1872 "%s: rss_table_entry_width = %d\n", prefix,
1873 caps->rss_table_entry_width);
1875 case ICE_AQC_CAPS_RXQS:
1876 caps->num_rxq = number;
1877 caps->rxq_first_id = phys_id;
1878 ice_debug(hw, ICE_DBG_INIT,
1879 "%s: num_rxq = %d\n", prefix,
1881 ice_debug(hw, ICE_DBG_INIT,
1882 "%s: rxq_first_id = %d\n", prefix,
1883 caps->rxq_first_id);
1885 case ICE_AQC_CAPS_TXQS:
1886 caps->num_txq = number;
1887 caps->txq_first_id = phys_id;
1888 ice_debug(hw, ICE_DBG_INIT,
1889 "%s: num_txq = %d\n", prefix,
1891 ice_debug(hw, ICE_DBG_INIT,
1892 "%s: txq_first_id = %d\n", prefix,
1893 caps->txq_first_id);
1895 case ICE_AQC_CAPS_MSIX:
1896 caps->num_msix_vectors = number;
1897 caps->msix_vector_first_id = phys_id;
1898 ice_debug(hw, ICE_DBG_INIT,
1899 "%s: num_msix_vectors = %d\n", prefix,
1900 caps->num_msix_vectors);
1901 ice_debug(hw, ICE_DBG_INIT,
1902 "%s: msix_vector_first_id = %d\n", prefix,
1903 caps->msix_vector_first_id);
1905 case ICE_AQC_CAPS_MAX_MTU:
1906 caps->max_mtu = number;
1907 ice_debug(hw, ICE_DBG_INIT, "%s: max_mtu = %d\n",
1908 prefix, caps->max_mtu);
1911 /* Not one of the recognized common capabilities */
1919 * ice_recalc_port_limited_caps - Recalculate port limited capabilities
1920 * @hw: pointer to the HW structure
1921 * @caps: pointer to capabilities structure to fix
1923 * Re-calculate the capabilities that are dependent on the number of physical
1924 * ports; i.e. some features are not supported or function differently on
1925 * devices with more than 4 ports.
1928 ice_recalc_port_limited_caps(struct ice_hw *hw, struct ice_hw_common_caps *caps)
1930 /* This assumes device capabilities are always scanned before function
1931 * capabilities during the initialization flow.
1933 if (hw->dev_caps.num_funcs > 4) {
1934 /* Max 4 TCs per port */
1936 ice_debug(hw, ICE_DBG_INIT,
1937 "reducing maxtc to %d (based on #ports)\n",
1943 * ice_parse_vsi_func_caps - Parse ICE_AQC_CAPS_VSI function caps
1944 * @hw: pointer to the HW struct
1945 * @func_p: pointer to function capabilities structure
1946 * @cap: pointer to the capability element to parse
1948 * Extract function capabilities for ICE_AQC_CAPS_VSI.
1951 ice_parse_vsi_func_caps(struct ice_hw *hw, struct ice_hw_func_caps *func_p,
1952 struct ice_aqc_list_caps_elem *cap)
1954 func_p->guar_num_vsi = ice_get_num_per_func(hw, ICE_MAX_VSI);
1955 ice_debug(hw, ICE_DBG_INIT, "func caps: guar_num_vsi (fw) = %d\n",
1956 LE32_TO_CPU(cap->number));
1957 ice_debug(hw, ICE_DBG_INIT, "func caps: guar_num_vsi = %d\n",
1958 func_p->guar_num_vsi);
1962 * ice_parse_fdir_func_caps - Parse ICE_AQC_CAPS_FD function caps
1963 * @hw: pointer to the HW struct
1964 * @func_p: pointer to function capabilities structure
1965 * @cap: pointer to the capability element to parse
1967 * Extract function capabilities for ICE_AQC_CAPS_FD.
1970 ice_parse_fdir_func_caps(struct ice_hw *hw, struct ice_hw_func_caps *func_p,
1971 struct ice_aqc_list_caps_elem *cap)
1975 if (hw->dcf_enabled)
1977 reg_val = rd32(hw, GLQF_FD_SIZE);
1978 val = (reg_val & GLQF_FD_SIZE_FD_GSIZE_M) >>
1979 GLQF_FD_SIZE_FD_GSIZE_S;
1980 func_p->fd_fltr_guar =
1981 ice_get_num_per_func(hw, val);
1982 val = (reg_val & GLQF_FD_SIZE_FD_BSIZE_M) >>
1983 GLQF_FD_SIZE_FD_BSIZE_S;
1984 func_p->fd_fltr_best_effort = val;
1986 ice_debug(hw, ICE_DBG_INIT,
1987 "func caps: fd_fltr_guar = %d\n",
1988 func_p->fd_fltr_guar);
1989 ice_debug(hw, ICE_DBG_INIT,
1990 "func caps: fd_fltr_best_effort = %d\n",
1991 func_p->fd_fltr_best_effort);
1995 * ice_parse_func_caps - Parse function capabilities
1996 * @hw: pointer to the HW struct
1997 * @func_p: pointer to function capabilities structure
1998 * @buf: buffer containing the function capability records
1999 * @cap_count: the number of capabilities
2001 * Helper function to parse function (0x000A) capabilities list. For
2002 * capabilities shared between device and function, this relies on
2003 * ice_parse_common_caps.
2005 * Loop through the list of provided capabilities and extract the relevant
2006 * data into the function capabilities structured.
2009 ice_parse_func_caps(struct ice_hw *hw, struct ice_hw_func_caps *func_p,
2010 void *buf, u32 cap_count)
2012 struct ice_aqc_list_caps_elem *cap_resp;
2015 cap_resp = (struct ice_aqc_list_caps_elem *)buf;
2017 ice_memset(func_p, 0, sizeof(*func_p), ICE_NONDMA_MEM);
2019 for (i = 0; i < cap_count; i++) {
2020 u16 cap = LE16_TO_CPU(cap_resp[i].cap);
2023 found = ice_parse_common_caps(hw, &func_p->common_cap,
2024 &cap_resp[i], "func caps");
2027 case ICE_AQC_CAPS_VSI:
2028 ice_parse_vsi_func_caps(hw, func_p, &cap_resp[i]);
2030 case ICE_AQC_CAPS_FD:
2031 ice_parse_fdir_func_caps(hw, func_p, &cap_resp[i]);
2034 /* Don't list common capabilities as unknown */
2036 ice_debug(hw, ICE_DBG_INIT,
2037 "func caps: unknown capability[%d]: 0x%x\n",
2043 ice_recalc_port_limited_caps(hw, &func_p->common_cap);
2047 * ice_parse_valid_functions_cap - Parse ICE_AQC_CAPS_VALID_FUNCTIONS caps
2048 * @hw: pointer to the HW struct
2049 * @dev_p: pointer to device capabilities structure
2050 * @cap: capability element to parse
2052 * Parse ICE_AQC_CAPS_VALID_FUNCTIONS for device capabilities.
2055 ice_parse_valid_functions_cap(struct ice_hw *hw, struct ice_hw_dev_caps *dev_p,
2056 struct ice_aqc_list_caps_elem *cap)
2058 u32 number = LE32_TO_CPU(cap->number);
2060 dev_p->num_funcs = ice_hweight32(number);
2061 ice_debug(hw, ICE_DBG_INIT, "dev caps: num_funcs = %d\n",
2066 * ice_parse_vsi_dev_caps - Parse ICE_AQC_CAPS_VSI device caps
2067 * @hw: pointer to the HW struct
2068 * @dev_p: pointer to device capabilities structure
2069 * @cap: capability element to parse
2071 * Parse ICE_AQC_CAPS_VSI for device capabilities.
2074 ice_parse_vsi_dev_caps(struct ice_hw *hw, struct ice_hw_dev_caps *dev_p,
2075 struct ice_aqc_list_caps_elem *cap)
2077 u32 number = LE32_TO_CPU(cap->number);
2079 dev_p->num_vsi_allocd_to_host = number;
2080 ice_debug(hw, ICE_DBG_INIT, "dev caps: num_vsi_allocd_to_host = %d\n",
2081 dev_p->num_vsi_allocd_to_host);
2085 * ice_parse_fdir_dev_caps - Parse ICE_AQC_CAPS_FD device caps
2086 * @hw: pointer to the HW struct
2087 * @dev_p: pointer to device capabilities structure
2088 * @cap: capability element to parse
2090 * Parse ICE_AQC_CAPS_FD for device capabilities.
2093 ice_parse_fdir_dev_caps(struct ice_hw *hw, struct ice_hw_dev_caps *dev_p,
2094 struct ice_aqc_list_caps_elem *cap)
2096 u32 number = LE32_TO_CPU(cap->number);
2098 dev_p->num_flow_director_fltr = number;
2099 ice_debug(hw, ICE_DBG_INIT, "dev caps: num_flow_director_fltr = %d\n",
2100 dev_p->num_flow_director_fltr);
2104 * ice_parse_dev_caps - Parse device capabilities
2105 * @hw: pointer to the HW struct
2106 * @dev_p: pointer to device capabilities structure
2107 * @buf: buffer containing the device capability records
2108 * @cap_count: the number of capabilities
2110 * Helper device to parse device (0x000B) capabilities list. For
2111 * capabilities shared between device and device, this relies on
2112 * ice_parse_common_caps.
2114 * Loop through the list of provided capabilities and extract the relevant
2115 * data into the device capabilities structured.
2118 ice_parse_dev_caps(struct ice_hw *hw, struct ice_hw_dev_caps *dev_p,
2119 void *buf, u32 cap_count)
2121 struct ice_aqc_list_caps_elem *cap_resp;
2124 cap_resp = (struct ice_aqc_list_caps_elem *)buf;
2126 ice_memset(dev_p, 0, sizeof(*dev_p), ICE_NONDMA_MEM);
2128 for (i = 0; i < cap_count; i++) {
2129 u16 cap = LE16_TO_CPU(cap_resp[i].cap);
2132 found = ice_parse_common_caps(hw, &dev_p->common_cap,
2133 &cap_resp[i], "dev caps");
2136 case ICE_AQC_CAPS_VALID_FUNCTIONS:
2137 ice_parse_valid_functions_cap(hw, dev_p, &cap_resp[i]);
2139 case ICE_AQC_CAPS_VSI:
2140 ice_parse_vsi_dev_caps(hw, dev_p, &cap_resp[i]);
2142 case ICE_AQC_CAPS_FD:
2143 ice_parse_fdir_dev_caps(hw, dev_p, &cap_resp[i]);
2146 /* Don't list common capabilities as unknown */
2148 ice_debug(hw, ICE_DBG_INIT,
2149 "dev caps: unknown capability[%d]: 0x%x\n",
2155 ice_recalc_port_limited_caps(hw, &dev_p->common_cap);
2159 * ice_parse_caps - parse function/device capabilities
2160 * @hw: pointer to the HW struct
2161 * @buf: pointer to a buffer containing function/device capability records
2162 * @cap_count: number of capability records in the list
2163 * @opc: type of capabilities list to parse
2165 * Helper function to parse function(0x000a)/device(0x000b) capabilities list.
2168 ice_parse_caps(struct ice_hw *hw, void *buf, u32 cap_count,
2169 enum ice_adminq_opc opc)
2174 if (opc == ice_aqc_opc_list_dev_caps)
2175 ice_parse_dev_caps(hw, &hw->dev_caps, buf, cap_count);
2176 else if (opc == ice_aqc_opc_list_func_caps)
2177 ice_parse_func_caps(hw, &hw->func_caps, buf, cap_count);
2179 ice_debug(hw, ICE_DBG_INIT, "wrong opcode\n");
2183 * ice_aq_list_caps - query function/device capabilities
2184 * @hw: pointer to the HW struct
2185 * @buf: a buffer to hold the capabilities
2186 * @buf_size: size of the buffer
2187 * @cap_count: if not NULL, set to the number of capabilities reported
2188 * @opc: capabilities type to discover, device or function
2189 * @cd: pointer to command details structure or NULL
2191 * Get the function (0x000A) or device (0x000B) capabilities description from
2192 * firmware and store it in the buffer.
2194 * If the cap_count pointer is not NULL, then it is set to the number of
2195 * capabilities firmware will report. Note that if the buffer size is too
2196 * small, it is possible the command will return ICE_AQ_ERR_ENOMEM. The
2197 * cap_count will still be updated in this case. It is recommended that the
2198 * buffer size be set to ICE_AQ_MAX_BUF_LEN (the largest possible buffer that
2199 * firmware could return) to avoid this.
2201 static enum ice_status
2202 ice_aq_list_caps(struct ice_hw *hw, void *buf, u16 buf_size, u32 *cap_count,
2203 enum ice_adminq_opc opc, struct ice_sq_cd *cd)
2205 struct ice_aqc_list_caps *cmd;
2206 struct ice_aq_desc desc;
2207 enum ice_status status;
2209 cmd = &desc.params.get_cap;
2211 if (opc != ice_aqc_opc_list_func_caps &&
2212 opc != ice_aqc_opc_list_dev_caps)
2213 return ICE_ERR_PARAM;
2215 ice_fill_dflt_direct_cmd_desc(&desc, opc);
2216 status = ice_aq_send_cmd(hw, &desc, buf, buf_size, cd);
2219 *cap_count = LE32_TO_CPU(cmd->count);
2225 * ice_aq_discover_caps - query function/device capabilities
2226 * @hw: pointer to the HW struct
2227 * @buf: a virtual buffer to hold the capabilities
2228 * @buf_size: Size of the virtual buffer
2229 * @cap_count: cap count needed if AQ err==ENOMEM
2230 * @opc: capabilities type to discover - pass in the command opcode
2231 * @cd: pointer to command details structure or NULL
2233 * Get the function(0x000a)/device(0x000b) capabilities description from
2236 * NOTE: this function has the side effect of updating the hw->dev_caps or
2237 * hw->func_caps by way of calling ice_parse_caps.
2239 static enum ice_status
2240 ice_aq_discover_caps(struct ice_hw *hw, void *buf, u16 buf_size, u32 *cap_count,
2241 enum ice_adminq_opc opc, struct ice_sq_cd *cd)
2243 u32 local_cap_count = 0;
2244 enum ice_status status;
2246 status = ice_aq_list_caps(hw, buf, buf_size, &local_cap_count,
2249 ice_parse_caps(hw, buf, local_cap_count, opc);
2250 else if (hw->adminq.sq_last_status == ICE_AQ_RC_ENOMEM)
2251 *cap_count = local_cap_count;
2257 * ice_discover_caps - get info about the HW
2258 * @hw: pointer to the hardware structure
2259 * @opc: capabilities type to discover - pass in the command opcode
2261 static enum ice_status
2262 ice_discover_caps(struct ice_hw *hw, enum ice_adminq_opc opc)
2264 enum ice_status status;
2268 cbuf = ice_malloc(hw, ICE_AQ_MAX_BUF_LEN);
2270 return ICE_ERR_NO_MEMORY;
2272 /* Although the driver doesn't know the number of capabilities the
2273 * device will return, we can simply send a 4KB buffer, the maximum
2274 * possible size that firmware can return.
2276 cap_count = ICE_AQ_MAX_BUF_LEN / sizeof(struct ice_aqc_list_caps_elem);
2278 status = ice_aq_discover_caps(hw, cbuf, ICE_AQ_MAX_BUF_LEN, &cap_count,
2286 * ice_set_safe_mode_caps - Override dev/func capabilities when in safe mode
2287 * @hw: pointer to the hardware structure
2289 void ice_set_safe_mode_caps(struct ice_hw *hw)
2291 struct ice_hw_func_caps *func_caps = &hw->func_caps;
2292 struct ice_hw_dev_caps *dev_caps = &hw->dev_caps;
2293 u32 valid_func, rxq_first_id, txq_first_id;
2294 u32 msix_vector_first_id, max_mtu;
2297 /* cache some func_caps values that should be restored after memset */
2298 valid_func = func_caps->common_cap.valid_functions;
2299 txq_first_id = func_caps->common_cap.txq_first_id;
2300 rxq_first_id = func_caps->common_cap.rxq_first_id;
2301 msix_vector_first_id = func_caps->common_cap.msix_vector_first_id;
2302 max_mtu = func_caps->common_cap.max_mtu;
2304 /* unset func capabilities */
2305 memset(func_caps, 0, sizeof(*func_caps));
2307 /* restore cached values */
2308 func_caps->common_cap.valid_functions = valid_func;
2309 func_caps->common_cap.txq_first_id = txq_first_id;
2310 func_caps->common_cap.rxq_first_id = rxq_first_id;
2311 func_caps->common_cap.msix_vector_first_id = msix_vector_first_id;
2312 func_caps->common_cap.max_mtu = max_mtu;
2314 /* one Tx and one Rx queue in safe mode */
2315 func_caps->common_cap.num_rxq = 1;
2316 func_caps->common_cap.num_txq = 1;
2318 /* two MSIX vectors, one for traffic and one for misc causes */
2319 func_caps->common_cap.num_msix_vectors = 2;
2320 func_caps->guar_num_vsi = 1;
2322 /* cache some dev_caps values that should be restored after memset */
2323 valid_func = dev_caps->common_cap.valid_functions;
2324 txq_first_id = dev_caps->common_cap.txq_first_id;
2325 rxq_first_id = dev_caps->common_cap.rxq_first_id;
2326 msix_vector_first_id = dev_caps->common_cap.msix_vector_first_id;
2327 max_mtu = dev_caps->common_cap.max_mtu;
2328 num_funcs = dev_caps->num_funcs;
2330 /* unset dev capabilities */
2331 memset(dev_caps, 0, sizeof(*dev_caps));
2333 /* restore cached values */
2334 dev_caps->common_cap.valid_functions = valid_func;
2335 dev_caps->common_cap.txq_first_id = txq_first_id;
2336 dev_caps->common_cap.rxq_first_id = rxq_first_id;
2337 dev_caps->common_cap.msix_vector_first_id = msix_vector_first_id;
2338 dev_caps->common_cap.max_mtu = max_mtu;
2339 dev_caps->num_funcs = num_funcs;
2341 /* one Tx and one Rx queue per function in safe mode */
2342 dev_caps->common_cap.num_rxq = num_funcs;
2343 dev_caps->common_cap.num_txq = num_funcs;
2345 /* two MSIX vectors per function */
2346 dev_caps->common_cap.num_msix_vectors = 2 * num_funcs;
2350 * ice_get_caps - get info about the HW
2351 * @hw: pointer to the hardware structure
2353 enum ice_status ice_get_caps(struct ice_hw *hw)
2355 enum ice_status status;
2357 status = ice_discover_caps(hw, ice_aqc_opc_list_dev_caps);
2359 status = ice_discover_caps(hw, ice_aqc_opc_list_func_caps);
2365 * ice_aq_manage_mac_write - manage MAC address write command
2366 * @hw: pointer to the HW struct
2367 * @mac_addr: MAC address to be written as LAA/LAA+WoL/Port address
2368 * @flags: flags to control write behavior
2369 * @cd: pointer to command details structure or NULL
2371 * This function is used to write MAC address to the NVM (0x0108).
2374 ice_aq_manage_mac_write(struct ice_hw *hw, const u8 *mac_addr, u8 flags,
2375 struct ice_sq_cd *cd)
2377 struct ice_aqc_manage_mac_write *cmd;
2378 struct ice_aq_desc desc;
2380 cmd = &desc.params.mac_write;
2381 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_manage_mac_write);
2384 ice_memcpy(cmd->mac_addr, mac_addr, ETH_ALEN, ICE_NONDMA_TO_DMA);
2386 return ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
2390 * ice_aq_clear_pxe_mode
2391 * @hw: pointer to the HW struct
2393 * Tell the firmware that the driver is taking over from PXE (0x0110).
2395 static enum ice_status ice_aq_clear_pxe_mode(struct ice_hw *hw)
2397 struct ice_aq_desc desc;
2399 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_clear_pxe_mode);
2400 desc.params.clear_pxe.rx_cnt = ICE_AQC_CLEAR_PXE_RX_CNT;
2402 return ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
2406 * ice_clear_pxe_mode - clear pxe operations mode
2407 * @hw: pointer to the HW struct
2409 * Make sure all PXE mode settings are cleared, including things
2410 * like descriptor fetch/write-back mode.
2412 void ice_clear_pxe_mode(struct ice_hw *hw)
2414 if (ice_check_sq_alive(hw, &hw->adminq))
2415 ice_aq_clear_pxe_mode(hw);
2419 * ice_get_link_speed_based_on_phy_type - returns link speed
2420 * @phy_type_low: lower part of phy_type
2421 * @phy_type_high: higher part of phy_type
2423 * This helper function will convert an entry in PHY type structure
2424 * [phy_type_low, phy_type_high] to its corresponding link speed.
2425 * Note: In the structure of [phy_type_low, phy_type_high], there should
2426 * be one bit set, as this function will convert one PHY type to its
2428 * If no bit gets set, ICE_LINK_SPEED_UNKNOWN will be returned
2429 * If more than one bit gets set, ICE_LINK_SPEED_UNKNOWN will be returned
2432 ice_get_link_speed_based_on_phy_type(u64 phy_type_low, u64 phy_type_high)
2434 u16 speed_phy_type_high = ICE_AQ_LINK_SPEED_UNKNOWN;
2435 u16 speed_phy_type_low = ICE_AQ_LINK_SPEED_UNKNOWN;
2437 switch (phy_type_low) {
2438 case ICE_PHY_TYPE_LOW_100BASE_TX:
2439 case ICE_PHY_TYPE_LOW_100M_SGMII:
2440 speed_phy_type_low = ICE_AQ_LINK_SPEED_100MB;
2442 case ICE_PHY_TYPE_LOW_1000BASE_T:
2443 case ICE_PHY_TYPE_LOW_1000BASE_SX:
2444 case ICE_PHY_TYPE_LOW_1000BASE_LX:
2445 case ICE_PHY_TYPE_LOW_1000BASE_KX:
2446 case ICE_PHY_TYPE_LOW_1G_SGMII:
2447 speed_phy_type_low = ICE_AQ_LINK_SPEED_1000MB;
2449 case ICE_PHY_TYPE_LOW_2500BASE_T:
2450 case ICE_PHY_TYPE_LOW_2500BASE_X:
2451 case ICE_PHY_TYPE_LOW_2500BASE_KX:
2452 speed_phy_type_low = ICE_AQ_LINK_SPEED_2500MB;
2454 case ICE_PHY_TYPE_LOW_5GBASE_T:
2455 case ICE_PHY_TYPE_LOW_5GBASE_KR:
2456 speed_phy_type_low = ICE_AQ_LINK_SPEED_5GB;
2458 case ICE_PHY_TYPE_LOW_10GBASE_T:
2459 case ICE_PHY_TYPE_LOW_10G_SFI_DA:
2460 case ICE_PHY_TYPE_LOW_10GBASE_SR:
2461 case ICE_PHY_TYPE_LOW_10GBASE_LR:
2462 case ICE_PHY_TYPE_LOW_10GBASE_KR_CR1:
2463 case ICE_PHY_TYPE_LOW_10G_SFI_AOC_ACC:
2464 case ICE_PHY_TYPE_LOW_10G_SFI_C2C:
2465 speed_phy_type_low = ICE_AQ_LINK_SPEED_10GB;
2467 case ICE_PHY_TYPE_LOW_25GBASE_T:
2468 case ICE_PHY_TYPE_LOW_25GBASE_CR:
2469 case ICE_PHY_TYPE_LOW_25GBASE_CR_S:
2470 case ICE_PHY_TYPE_LOW_25GBASE_CR1:
2471 case ICE_PHY_TYPE_LOW_25GBASE_SR:
2472 case ICE_PHY_TYPE_LOW_25GBASE_LR:
2473 case ICE_PHY_TYPE_LOW_25GBASE_KR:
2474 case ICE_PHY_TYPE_LOW_25GBASE_KR_S:
2475 case ICE_PHY_TYPE_LOW_25GBASE_KR1:
2476 case ICE_PHY_TYPE_LOW_25G_AUI_AOC_ACC:
2477 case ICE_PHY_TYPE_LOW_25G_AUI_C2C:
2478 speed_phy_type_low = ICE_AQ_LINK_SPEED_25GB;
2480 case ICE_PHY_TYPE_LOW_40GBASE_CR4:
2481 case ICE_PHY_TYPE_LOW_40GBASE_SR4:
2482 case ICE_PHY_TYPE_LOW_40GBASE_LR4:
2483 case ICE_PHY_TYPE_LOW_40GBASE_KR4:
2484 case ICE_PHY_TYPE_LOW_40G_XLAUI_AOC_ACC:
2485 case ICE_PHY_TYPE_LOW_40G_XLAUI:
2486 speed_phy_type_low = ICE_AQ_LINK_SPEED_40GB;
2488 case ICE_PHY_TYPE_LOW_50GBASE_CR2:
2489 case ICE_PHY_TYPE_LOW_50GBASE_SR2:
2490 case ICE_PHY_TYPE_LOW_50GBASE_LR2:
2491 case ICE_PHY_TYPE_LOW_50GBASE_KR2:
2492 case ICE_PHY_TYPE_LOW_50G_LAUI2_AOC_ACC:
2493 case ICE_PHY_TYPE_LOW_50G_LAUI2:
2494 case ICE_PHY_TYPE_LOW_50G_AUI2_AOC_ACC:
2495 case ICE_PHY_TYPE_LOW_50G_AUI2:
2496 case ICE_PHY_TYPE_LOW_50GBASE_CP:
2497 case ICE_PHY_TYPE_LOW_50GBASE_SR:
2498 case ICE_PHY_TYPE_LOW_50GBASE_FR:
2499 case ICE_PHY_TYPE_LOW_50GBASE_LR:
2500 case ICE_PHY_TYPE_LOW_50GBASE_KR_PAM4:
2501 case ICE_PHY_TYPE_LOW_50G_AUI1_AOC_ACC:
2502 case ICE_PHY_TYPE_LOW_50G_AUI1:
2503 speed_phy_type_low = ICE_AQ_LINK_SPEED_50GB;
2505 case ICE_PHY_TYPE_LOW_100GBASE_CR4:
2506 case ICE_PHY_TYPE_LOW_100GBASE_SR4:
2507 case ICE_PHY_TYPE_LOW_100GBASE_LR4:
2508 case ICE_PHY_TYPE_LOW_100GBASE_KR4:
2509 case ICE_PHY_TYPE_LOW_100G_CAUI4_AOC_ACC:
2510 case ICE_PHY_TYPE_LOW_100G_CAUI4:
2511 case ICE_PHY_TYPE_LOW_100G_AUI4_AOC_ACC:
2512 case ICE_PHY_TYPE_LOW_100G_AUI4:
2513 case ICE_PHY_TYPE_LOW_100GBASE_CR_PAM4:
2514 case ICE_PHY_TYPE_LOW_100GBASE_KR_PAM4:
2515 case ICE_PHY_TYPE_LOW_100GBASE_CP2:
2516 case ICE_PHY_TYPE_LOW_100GBASE_SR2:
2517 case ICE_PHY_TYPE_LOW_100GBASE_DR:
2518 speed_phy_type_low = ICE_AQ_LINK_SPEED_100GB;
2521 speed_phy_type_low = ICE_AQ_LINK_SPEED_UNKNOWN;
2525 switch (phy_type_high) {
2526 case ICE_PHY_TYPE_HIGH_100GBASE_KR2_PAM4:
2527 case ICE_PHY_TYPE_HIGH_100G_CAUI2_AOC_ACC:
2528 case ICE_PHY_TYPE_HIGH_100G_CAUI2:
2529 case ICE_PHY_TYPE_HIGH_100G_AUI2_AOC_ACC:
2530 case ICE_PHY_TYPE_HIGH_100G_AUI2:
2531 speed_phy_type_high = ICE_AQ_LINK_SPEED_100GB;
2534 speed_phy_type_high = ICE_AQ_LINK_SPEED_UNKNOWN;
2538 if (speed_phy_type_low == ICE_AQ_LINK_SPEED_UNKNOWN &&
2539 speed_phy_type_high == ICE_AQ_LINK_SPEED_UNKNOWN)
2540 return ICE_AQ_LINK_SPEED_UNKNOWN;
2541 else if (speed_phy_type_low != ICE_AQ_LINK_SPEED_UNKNOWN &&
2542 speed_phy_type_high != ICE_AQ_LINK_SPEED_UNKNOWN)
2543 return ICE_AQ_LINK_SPEED_UNKNOWN;
2544 else if (speed_phy_type_low != ICE_AQ_LINK_SPEED_UNKNOWN &&
2545 speed_phy_type_high == ICE_AQ_LINK_SPEED_UNKNOWN)
2546 return speed_phy_type_low;
2548 return speed_phy_type_high;
2552 * ice_update_phy_type
2553 * @phy_type_low: pointer to the lower part of phy_type
2554 * @phy_type_high: pointer to the higher part of phy_type
2555 * @link_speeds_bitmap: targeted link speeds bitmap
2557 * Note: For the link_speeds_bitmap structure, you can check it at
2558 * [ice_aqc_get_link_status->link_speed]. Caller can pass in
2559 * link_speeds_bitmap include multiple speeds.
2561 * Each entry in this [phy_type_low, phy_type_high] structure will
2562 * present a certain link speed. This helper function will turn on bits
2563 * in [phy_type_low, phy_type_high] structure based on the value of
2564 * link_speeds_bitmap input parameter.
2567 ice_update_phy_type(u64 *phy_type_low, u64 *phy_type_high,
2568 u16 link_speeds_bitmap)
2575 /* We first check with low part of phy_type */
2576 for (index = 0; index <= ICE_PHY_TYPE_LOW_MAX_INDEX; index++) {
2577 pt_low = BIT_ULL(index);
2578 speed = ice_get_link_speed_based_on_phy_type(pt_low, 0);
2580 if (link_speeds_bitmap & speed)
2581 *phy_type_low |= BIT_ULL(index);
2584 /* We then check with high part of phy_type */
2585 for (index = 0; index <= ICE_PHY_TYPE_HIGH_MAX_INDEX; index++) {
2586 pt_high = BIT_ULL(index);
2587 speed = ice_get_link_speed_based_on_phy_type(0, pt_high);
2589 if (link_speeds_bitmap & speed)
2590 *phy_type_high |= BIT_ULL(index);
2595 * ice_aq_set_phy_cfg
2596 * @hw: pointer to the HW struct
2597 * @pi: port info structure of the interested logical port
2598 * @cfg: structure with PHY configuration data to be set
2599 * @cd: pointer to command details structure or NULL
2601 * Set the various PHY configuration parameters supported on the Port.
2602 * One or more of the Set PHY config parameters may be ignored in an MFP
2603 * mode as the PF may not have the privilege to set some of the PHY Config
2604 * parameters. This status will be indicated by the command response (0x0601).
2607 ice_aq_set_phy_cfg(struct ice_hw *hw, struct ice_port_info *pi,
2608 struct ice_aqc_set_phy_cfg_data *cfg, struct ice_sq_cd *cd)
2610 struct ice_aq_desc desc;
2611 enum ice_status status;
2614 return ICE_ERR_PARAM;
2616 /* Ensure that only valid bits of cfg->caps can be turned on. */
2617 if (cfg->caps & ~ICE_AQ_PHY_ENA_VALID_MASK) {
2618 ice_debug(hw, ICE_DBG_PHY,
2619 "Invalid bit is set in ice_aqc_set_phy_cfg_data->caps : 0x%x\n",
2622 cfg->caps &= ICE_AQ_PHY_ENA_VALID_MASK;
2625 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_phy_cfg);
2626 desc.params.set_phy.lport_num = pi->lport;
2627 desc.flags |= CPU_TO_LE16(ICE_AQ_FLAG_RD);
2629 ice_debug(hw, ICE_DBG_LINK, "set phy cfg\n");
2630 ice_debug(hw, ICE_DBG_LINK, " phy_type_low = 0x%llx\n",
2631 (unsigned long long)LE64_TO_CPU(cfg->phy_type_low));
2632 ice_debug(hw, ICE_DBG_LINK, " phy_type_high = 0x%llx\n",
2633 (unsigned long long)LE64_TO_CPU(cfg->phy_type_high));
2634 ice_debug(hw, ICE_DBG_LINK, " caps = 0x%x\n", cfg->caps);
2635 ice_debug(hw, ICE_DBG_LINK, " low_power_ctrl_an = 0x%x\n",
2636 cfg->low_power_ctrl_an);
2637 ice_debug(hw, ICE_DBG_LINK, " eee_cap = 0x%x\n", cfg->eee_cap);
2638 ice_debug(hw, ICE_DBG_LINK, " eeer_value = 0x%x\n", cfg->eeer_value);
2639 ice_debug(hw, ICE_DBG_LINK, " link_fec_opt = 0x%x\n",
2642 status = ice_aq_send_cmd(hw, &desc, cfg, sizeof(*cfg), cd);
2644 if (hw->adminq.sq_last_status == ICE_AQ_RC_EMODE)
2645 status = ICE_SUCCESS;
2648 pi->phy.curr_user_phy_cfg = *cfg;
2654 * ice_update_link_info - update status of the HW network link
2655 * @pi: port info structure of the interested logical port
2657 enum ice_status ice_update_link_info(struct ice_port_info *pi)
2659 struct ice_link_status *li;
2660 enum ice_status status;
2663 return ICE_ERR_PARAM;
2665 li = &pi->phy.link_info;
2667 status = ice_aq_get_link_info(pi, true, NULL, NULL);
2671 if (li->link_info & ICE_AQ_MEDIA_AVAILABLE) {
2672 struct ice_aqc_get_phy_caps_data *pcaps;
2676 pcaps = (struct ice_aqc_get_phy_caps_data *)
2677 ice_malloc(hw, sizeof(*pcaps));
2679 return ICE_ERR_NO_MEMORY;
2681 status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_TOPO_CAP,
2684 ice_free(hw, pcaps);
2691 * ice_cache_phy_user_req
2692 * @pi: port information structure
2693 * @cache_data: PHY logging data
2694 * @cache_mode: PHY logging mode
2696 * Log the user request on (FC, FEC, SPEED) for later user.
2699 ice_cache_phy_user_req(struct ice_port_info *pi,
2700 struct ice_phy_cache_mode_data cache_data,
2701 enum ice_phy_cache_mode cache_mode)
2706 switch (cache_mode) {
2708 pi->phy.curr_user_fc_req = cache_data.data.curr_user_fc_req;
2710 case ICE_SPEED_MODE:
2711 pi->phy.curr_user_speed_req =
2712 cache_data.data.curr_user_speed_req;
2715 pi->phy.curr_user_fec_req = cache_data.data.curr_user_fec_req;
2723 * ice_caps_to_fc_mode
2724 * @caps: PHY capabilities
2726 * Convert PHY FC capabilities to ice FC mode
2728 enum ice_fc_mode ice_caps_to_fc_mode(u8 caps)
2730 if (caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE &&
2731 caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE)
2734 if (caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE)
2735 return ICE_FC_TX_PAUSE;
2737 if (caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE)
2738 return ICE_FC_RX_PAUSE;
2744 * ice_caps_to_fec_mode
2745 * @caps: PHY capabilities
2746 * @fec_options: Link FEC options
2748 * Convert PHY FEC capabilities to ice FEC mode
2750 enum ice_fec_mode ice_caps_to_fec_mode(u8 caps, u8 fec_options)
2752 if (caps & ICE_AQC_PHY_EN_AUTO_FEC)
2753 return ICE_FEC_AUTO;
2755 if (fec_options & (ICE_AQC_PHY_FEC_10G_KR_40G_KR4_EN |
2756 ICE_AQC_PHY_FEC_10G_KR_40G_KR4_REQ |
2757 ICE_AQC_PHY_FEC_25G_KR_CLAUSE74_EN |
2758 ICE_AQC_PHY_FEC_25G_KR_REQ))
2759 return ICE_FEC_BASER;
2761 if (fec_options & (ICE_AQC_PHY_FEC_25G_RS_528_REQ |
2762 ICE_AQC_PHY_FEC_25G_RS_544_REQ |
2763 ICE_AQC_PHY_FEC_25G_RS_CLAUSE91_EN))
2766 return ICE_FEC_NONE;
2769 static enum ice_status
2770 ice_cfg_phy_fc(struct ice_port_info *pi, struct ice_aqc_set_phy_cfg_data *cfg,
2771 enum ice_fc_mode req_mode)
2773 struct ice_aqc_get_phy_caps_data *pcaps = NULL;
2774 struct ice_phy_cache_mode_data cache_data;
2775 enum ice_status status = ICE_SUCCESS;
2776 u8 pause_mask = 0x0;
2779 return ICE_ERR_BAD_PTR;
2781 pcaps = (struct ice_aqc_get_phy_caps_data *)
2782 ice_malloc(pi->hw, sizeof(*pcaps));
2784 return ICE_ERR_NO_MEMORY;
2786 /* Cache user FC request */
2787 cache_data.data.curr_user_fc_req = req_mode;
2788 ice_cache_phy_user_req(pi, cache_data, ICE_FC_MODE);
2792 /* Query the value of FC that both the NIC and attached media
2795 status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_TOPO_CAP,
2800 pause_mask |= pcaps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE;
2801 pause_mask |= pcaps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE;
2804 pause_mask |= ICE_AQC_PHY_EN_TX_LINK_PAUSE;
2805 pause_mask |= ICE_AQC_PHY_EN_RX_LINK_PAUSE;
2807 case ICE_FC_RX_PAUSE:
2808 pause_mask |= ICE_AQC_PHY_EN_RX_LINK_PAUSE;
2810 case ICE_FC_TX_PAUSE:
2811 pause_mask |= ICE_AQC_PHY_EN_TX_LINK_PAUSE;
2817 /* clear the old pause settings */
2818 cfg->caps &= ~(ICE_AQC_PHY_EN_TX_LINK_PAUSE |
2819 ICE_AQC_PHY_EN_RX_LINK_PAUSE);
2821 /* set the new capabilities */
2822 cfg->caps |= pause_mask;
2825 ice_free(pi->hw, pcaps);
2831 * @pi: port information structure
2832 * @aq_failures: pointer to status code, specific to ice_set_fc routine
2833 * @ena_auto_link_update: enable automatic link update
2835 * Set the requested flow control mode.
2838 ice_set_fc(struct ice_port_info *pi, u8 *aq_failures, bool ena_auto_link_update)
2840 struct ice_aqc_set_phy_cfg_data cfg = { 0 };
2841 struct ice_aqc_get_phy_caps_data *pcaps;
2842 enum ice_status status;
2845 if (!pi || !aq_failures)
2846 return ICE_ERR_BAD_PTR;
2851 pcaps = (struct ice_aqc_get_phy_caps_data *)
2852 ice_malloc(hw, sizeof(*pcaps));
2854 return ICE_ERR_NO_MEMORY;
2856 /* Get the current PHY config */
2857 status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_SW_CFG, pcaps,
2860 *aq_failures = ICE_SET_FC_AQ_FAIL_GET;
2864 ice_copy_phy_caps_to_cfg(pi, pcaps, &cfg);
2866 /* Configure the set PHY data */
2867 status = ice_cfg_phy_fc(pi, &cfg, pi->fc.req_mode);
2869 if (status != ICE_ERR_BAD_PTR)
2870 *aq_failures = ICE_SET_FC_AQ_FAIL_GET;
2875 /* If the capabilities have changed, then set the new config */
2876 if (cfg.caps != pcaps->caps) {
2877 int retry_count, retry_max = 10;
2879 /* Auto restart link so settings take effect */
2880 if (ena_auto_link_update)
2881 cfg.caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT;
2883 status = ice_aq_set_phy_cfg(hw, pi, &cfg, NULL);
2885 *aq_failures = ICE_SET_FC_AQ_FAIL_SET;
2889 /* Update the link info
2890 * It sometimes takes a really long time for link to
2891 * come back from the atomic reset. Thus, we wait a
2894 for (retry_count = 0; retry_count < retry_max; retry_count++) {
2895 status = ice_update_link_info(pi);
2897 if (status == ICE_SUCCESS)
2900 ice_msec_delay(100, true);
2904 *aq_failures = ICE_SET_FC_AQ_FAIL_UPDATE;
2908 ice_free(hw, pcaps);
2913 * ice_phy_caps_equals_cfg
2914 * @phy_caps: PHY capabilities
2915 * @phy_cfg: PHY configuration
2917 * Helper function to determine if PHY capabilities matches PHY
2921 ice_phy_caps_equals_cfg(struct ice_aqc_get_phy_caps_data *phy_caps,
2922 struct ice_aqc_set_phy_cfg_data *phy_cfg)
2924 u8 caps_mask, cfg_mask;
2926 if (!phy_caps || !phy_cfg)
2929 /* These bits are not common between capabilities and configuration.
2930 * Do not use them to determine equality.
2932 caps_mask = ICE_AQC_PHY_CAPS_MASK & ~(ICE_AQC_PHY_AN_MODE |
2933 ICE_AQC_PHY_EN_MOD_QUAL);
2934 cfg_mask = ICE_AQ_PHY_ENA_VALID_MASK & ~ICE_AQ_PHY_ENA_AUTO_LINK_UPDT;
2936 if (phy_caps->phy_type_low != phy_cfg->phy_type_low ||
2937 phy_caps->phy_type_high != phy_cfg->phy_type_high ||
2938 ((phy_caps->caps & caps_mask) != (phy_cfg->caps & cfg_mask)) ||
2939 phy_caps->low_power_ctrl_an != phy_cfg->low_power_ctrl_an ||
2940 phy_caps->eee_cap != phy_cfg->eee_cap ||
2941 phy_caps->eeer_value != phy_cfg->eeer_value ||
2942 phy_caps->link_fec_options != phy_cfg->link_fec_opt)
2949 * ice_copy_phy_caps_to_cfg - Copy PHY ability data to configuration data
2950 * @pi: port information structure
2951 * @caps: PHY ability structure to copy date from
2952 * @cfg: PHY configuration structure to copy data to
2954 * Helper function to copy AQC PHY get ability data to PHY set configuration
2958 ice_copy_phy_caps_to_cfg(struct ice_port_info *pi,
2959 struct ice_aqc_get_phy_caps_data *caps,
2960 struct ice_aqc_set_phy_cfg_data *cfg)
2962 if (!pi || !caps || !cfg)
2965 ice_memset(cfg, 0, sizeof(*cfg), ICE_NONDMA_MEM);
2966 cfg->phy_type_low = caps->phy_type_low;
2967 cfg->phy_type_high = caps->phy_type_high;
2968 cfg->caps = caps->caps;
2969 cfg->low_power_ctrl_an = caps->low_power_ctrl_an;
2970 cfg->eee_cap = caps->eee_cap;
2971 cfg->eeer_value = caps->eeer_value;
2972 cfg->link_fec_opt = caps->link_fec_options;
2973 cfg->module_compliance_enforcement =
2974 caps->module_compliance_enforcement;
2976 if (ice_fw_supports_link_override(pi->hw)) {
2977 struct ice_link_default_override_tlv tlv;
2979 if (ice_get_link_default_override(&tlv, pi))
2982 if (tlv.options & ICE_LINK_OVERRIDE_STRICT_MODE)
2983 cfg->module_compliance_enforcement |=
2984 ICE_LINK_OVERRIDE_STRICT_MODE;
2989 * ice_cfg_phy_fec - Configure PHY FEC data based on FEC mode
2990 * @pi: port information structure
2991 * @cfg: PHY configuration data to set FEC mode
2992 * @fec: FEC mode to configure
2995 ice_cfg_phy_fec(struct ice_port_info *pi, struct ice_aqc_set_phy_cfg_data *cfg,
2996 enum ice_fec_mode fec)
2998 struct ice_aqc_get_phy_caps_data *pcaps;
2999 enum ice_status status = ICE_SUCCESS;
3003 return ICE_ERR_BAD_PTR;
3007 pcaps = (struct ice_aqc_get_phy_caps_data *)
3008 ice_malloc(hw, sizeof(*pcaps));
3010 return ICE_ERR_NO_MEMORY;
3012 status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_TOPO_CAP, pcaps,
3017 cfg->caps |= (pcaps->caps & ICE_AQC_PHY_EN_AUTO_FEC);
3018 cfg->link_fec_opt = pcaps->link_fec_options;
3022 /* Clear RS bits, and AND BASE-R ability
3023 * bits and OR request bits.
3025 cfg->link_fec_opt &= ICE_AQC_PHY_FEC_10G_KR_40G_KR4_EN |
3026 ICE_AQC_PHY_FEC_25G_KR_CLAUSE74_EN;
3027 cfg->link_fec_opt |= ICE_AQC_PHY_FEC_10G_KR_40G_KR4_REQ |
3028 ICE_AQC_PHY_FEC_25G_KR_REQ;
3031 /* Clear BASE-R bits, and AND RS ability
3032 * bits and OR request bits.
3034 cfg->link_fec_opt &= ICE_AQC_PHY_FEC_25G_RS_CLAUSE91_EN;
3035 cfg->link_fec_opt |= ICE_AQC_PHY_FEC_25G_RS_528_REQ |
3036 ICE_AQC_PHY_FEC_25G_RS_544_REQ;
3039 /* Clear all FEC option bits. */
3040 cfg->link_fec_opt &= ~ICE_AQC_PHY_FEC_MASK;
3043 /* AND auto FEC bit, and all caps bits. */
3044 cfg->caps &= ICE_AQC_PHY_CAPS_MASK;
3045 cfg->link_fec_opt |= pcaps->link_fec_options;
3048 status = ICE_ERR_PARAM;
3052 if (fec == ICE_FEC_AUTO && ice_fw_supports_link_override(pi->hw)) {
3053 struct ice_link_default_override_tlv tlv;
3055 if (ice_get_link_default_override(&tlv, pi))
3058 if (!(tlv.options & ICE_LINK_OVERRIDE_STRICT_MODE) &&
3059 (tlv.options & ICE_LINK_OVERRIDE_EN))
3060 cfg->link_fec_opt = tlv.fec_options;
3064 ice_free(hw, pcaps);
3070 * ice_get_link_status - get status of the HW network link
3071 * @pi: port information structure
3072 * @link_up: pointer to bool (true/false = linkup/linkdown)
3074 * Variable link_up is true if link is up, false if link is down.
3075 * The variable link_up is invalid if status is non zero. As a
3076 * result of this call, link status reporting becomes enabled
3078 enum ice_status ice_get_link_status(struct ice_port_info *pi, bool *link_up)
3080 struct ice_phy_info *phy_info;
3081 enum ice_status status = ICE_SUCCESS;
3083 if (!pi || !link_up)
3084 return ICE_ERR_PARAM;
3086 phy_info = &pi->phy;
3088 if (phy_info->get_link_info) {
3089 status = ice_update_link_info(pi);
3092 ice_debug(pi->hw, ICE_DBG_LINK,
3093 "get link status error, status = %d\n",
3097 *link_up = phy_info->link_info.link_info & ICE_AQ_LINK_UP;
3103 * ice_aq_set_link_restart_an
3104 * @pi: pointer to the port information structure
3105 * @ena_link: if true: enable link, if false: disable link
3106 * @cd: pointer to command details structure or NULL
3108 * Sets up the link and restarts the Auto-Negotiation over the link.
3111 ice_aq_set_link_restart_an(struct ice_port_info *pi, bool ena_link,
3112 struct ice_sq_cd *cd)
3114 struct ice_aqc_restart_an *cmd;
3115 struct ice_aq_desc desc;
3117 cmd = &desc.params.restart_an;
3119 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_restart_an);
3121 cmd->cmd_flags = ICE_AQC_RESTART_AN_LINK_RESTART;
3122 cmd->lport_num = pi->lport;
3124 cmd->cmd_flags |= ICE_AQC_RESTART_AN_LINK_ENABLE;
3126 cmd->cmd_flags &= ~ICE_AQC_RESTART_AN_LINK_ENABLE;
3128 return ice_aq_send_cmd(pi->hw, &desc, NULL, 0, cd);
3132 * ice_aq_set_event_mask
3133 * @hw: pointer to the HW struct
3134 * @port_num: port number of the physical function
3135 * @mask: event mask to be set
3136 * @cd: pointer to command details structure or NULL
3138 * Set event mask (0x0613)
3141 ice_aq_set_event_mask(struct ice_hw *hw, u8 port_num, u16 mask,
3142 struct ice_sq_cd *cd)
3144 struct ice_aqc_set_event_mask *cmd;
3145 struct ice_aq_desc desc;
3147 cmd = &desc.params.set_event_mask;
3149 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_event_mask);
3151 cmd->lport_num = port_num;
3153 cmd->event_mask = CPU_TO_LE16(mask);
3154 return ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
3158 * ice_aq_set_mac_loopback
3159 * @hw: pointer to the HW struct
3160 * @ena_lpbk: Enable or Disable loopback
3161 * @cd: pointer to command details structure or NULL
3163 * Enable/disable loopback on a given port
3166 ice_aq_set_mac_loopback(struct ice_hw *hw, bool ena_lpbk, struct ice_sq_cd *cd)
3168 struct ice_aqc_set_mac_lb *cmd;
3169 struct ice_aq_desc desc;
3171 cmd = &desc.params.set_mac_lb;
3173 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_mac_lb);
3175 cmd->lb_mode = ICE_AQ_MAC_LB_EN;
3177 return ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
3181 * ice_aq_set_port_id_led
3182 * @pi: pointer to the port information
3183 * @is_orig_mode: is this LED set to original mode (by the net-list)
3184 * @cd: pointer to command details structure or NULL
3186 * Set LED value for the given port (0x06e9)
3189 ice_aq_set_port_id_led(struct ice_port_info *pi, bool is_orig_mode,
3190 struct ice_sq_cd *cd)
3192 struct ice_aqc_set_port_id_led *cmd;
3193 struct ice_hw *hw = pi->hw;
3194 struct ice_aq_desc desc;
3196 cmd = &desc.params.set_port_id_led;
3198 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_port_id_led);
3201 cmd->ident_mode = ICE_AQC_PORT_IDENT_LED_ORIG;
3203 cmd->ident_mode = ICE_AQC_PORT_IDENT_LED_BLINK;
3205 return ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
3210 * @hw: pointer to the HW struct
3211 * @lport: bits [7:0] = logical port, bit [8] = logical port valid
3212 * @bus_addr: I2C bus address of the eeprom (typically 0xA0, 0=topo default)
3213 * @mem_addr: I2C offset. lower 8 bits for address, 8 upper bits zero padding.
3215 * @set_page: set or ignore the page
3216 * @data: pointer to data buffer to be read/written to the I2C device.
3217 * @length: 1-16 for read, 1 for write.
3218 * @write: 0 read, 1 for write.
3219 * @cd: pointer to command details structure or NULL
3221 * Read/Write SFF EEPROM (0x06EE)
3224 ice_aq_sff_eeprom(struct ice_hw *hw, u16 lport, u8 bus_addr,
3225 u16 mem_addr, u8 page, u8 set_page, u8 *data, u8 length,
3226 bool write, struct ice_sq_cd *cd)
3228 struct ice_aqc_sff_eeprom *cmd;
3229 struct ice_aq_desc desc;
3230 enum ice_status status;
3232 if (!data || (mem_addr & 0xff00))
3233 return ICE_ERR_PARAM;
3235 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_sff_eeprom);
3236 cmd = &desc.params.read_write_sff_param;
3237 desc.flags = CPU_TO_LE16(ICE_AQ_FLAG_RD | ICE_AQ_FLAG_BUF);
3238 cmd->lport_num = (u8)(lport & 0xff);
3239 cmd->lport_num_valid = (u8)((lport >> 8) & 0x01);
3240 cmd->i2c_bus_addr = CPU_TO_LE16(((bus_addr >> 1) &
3241 ICE_AQC_SFF_I2CBUS_7BIT_M) |
3243 ICE_AQC_SFF_SET_EEPROM_PAGE_S) &
3244 ICE_AQC_SFF_SET_EEPROM_PAGE_M));
3245 cmd->i2c_mem_addr = CPU_TO_LE16(mem_addr & 0xff);
3246 cmd->eeprom_page = CPU_TO_LE16((u16)page << ICE_AQC_SFF_EEPROM_PAGE_S);
3248 cmd->i2c_bus_addr |= CPU_TO_LE16(ICE_AQC_SFF_IS_WRITE);
3250 status = ice_aq_send_cmd(hw, &desc, data, length, cd);
3255 * __ice_aq_get_set_rss_lut
3256 * @hw: pointer to the hardware structure
3257 * @vsi_id: VSI FW index
3258 * @lut_type: LUT table type
3259 * @lut: pointer to the LUT buffer provided by the caller
3260 * @lut_size: size of the LUT buffer
3261 * @glob_lut_idx: global LUT index
3262 * @set: set true to set the table, false to get the table
3264 * Internal function to get (0x0B05) or set (0x0B03) RSS look up table
3266 static enum ice_status
3267 __ice_aq_get_set_rss_lut(struct ice_hw *hw, u16 vsi_id, u8 lut_type, u8 *lut,
3268 u16 lut_size, u8 glob_lut_idx, bool set)
3270 struct ice_aqc_get_set_rss_lut *cmd_resp;
3271 struct ice_aq_desc desc;
3272 enum ice_status status;
3275 cmd_resp = &desc.params.get_set_rss_lut;
3278 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_rss_lut);
3279 desc.flags |= CPU_TO_LE16(ICE_AQ_FLAG_RD);
3281 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_rss_lut);
3284 cmd_resp->vsi_id = CPU_TO_LE16(((vsi_id <<
3285 ICE_AQC_GSET_RSS_LUT_VSI_ID_S) &
3286 ICE_AQC_GSET_RSS_LUT_VSI_ID_M) |
3287 ICE_AQC_GSET_RSS_LUT_VSI_VALID);
3290 case ICE_AQC_GSET_RSS_LUT_TABLE_TYPE_VSI:
3291 case ICE_AQC_GSET_RSS_LUT_TABLE_TYPE_PF:
3292 case ICE_AQC_GSET_RSS_LUT_TABLE_TYPE_GLOBAL:
3293 flags |= ((lut_type << ICE_AQC_GSET_RSS_LUT_TABLE_TYPE_S) &
3294 ICE_AQC_GSET_RSS_LUT_TABLE_TYPE_M);
3297 status = ICE_ERR_PARAM;
3298 goto ice_aq_get_set_rss_lut_exit;
3301 if (lut_type == ICE_AQC_GSET_RSS_LUT_TABLE_TYPE_GLOBAL) {
3302 flags |= ((glob_lut_idx << ICE_AQC_GSET_RSS_LUT_GLOBAL_IDX_S) &
3303 ICE_AQC_GSET_RSS_LUT_GLOBAL_IDX_M);
3306 goto ice_aq_get_set_rss_lut_send;
3307 } else if (lut_type == ICE_AQC_GSET_RSS_LUT_TABLE_TYPE_PF) {
3309 goto ice_aq_get_set_rss_lut_send;
3311 goto ice_aq_get_set_rss_lut_send;
3314 /* LUT size is only valid for Global and PF table types */
3316 case ICE_AQC_GSET_RSS_LUT_TABLE_SIZE_128:
3317 flags |= (ICE_AQC_GSET_RSS_LUT_TABLE_SIZE_128_FLAG <<
3318 ICE_AQC_GSET_RSS_LUT_TABLE_SIZE_S) &
3319 ICE_AQC_GSET_RSS_LUT_TABLE_SIZE_M;
3321 case ICE_AQC_GSET_RSS_LUT_TABLE_SIZE_512:
3322 flags |= (ICE_AQC_GSET_RSS_LUT_TABLE_SIZE_512_FLAG <<
3323 ICE_AQC_GSET_RSS_LUT_TABLE_SIZE_S) &
3324 ICE_AQC_GSET_RSS_LUT_TABLE_SIZE_M;
3326 case ICE_AQC_GSET_RSS_LUT_TABLE_SIZE_2K:
3327 if (lut_type == ICE_AQC_GSET_RSS_LUT_TABLE_TYPE_PF) {
3328 flags |= (ICE_AQC_GSET_RSS_LUT_TABLE_SIZE_2K_FLAG <<
3329 ICE_AQC_GSET_RSS_LUT_TABLE_SIZE_S) &
3330 ICE_AQC_GSET_RSS_LUT_TABLE_SIZE_M;
3335 status = ICE_ERR_PARAM;
3336 goto ice_aq_get_set_rss_lut_exit;
3339 ice_aq_get_set_rss_lut_send:
3340 cmd_resp->flags = CPU_TO_LE16(flags);
3341 status = ice_aq_send_cmd(hw, &desc, lut, lut_size, NULL);
3343 ice_aq_get_set_rss_lut_exit:
3348 * ice_aq_get_rss_lut
3349 * @hw: pointer to the hardware structure
3350 * @vsi_handle: software VSI handle
3351 * @lut_type: LUT table type
3352 * @lut: pointer to the LUT buffer provided by the caller
3353 * @lut_size: size of the LUT buffer
3355 * get the RSS lookup table, PF or VSI type
3358 ice_aq_get_rss_lut(struct ice_hw *hw, u16 vsi_handle, u8 lut_type,
3359 u8 *lut, u16 lut_size)
3361 if (!ice_is_vsi_valid(hw, vsi_handle) || !lut)
3362 return ICE_ERR_PARAM;
3364 return __ice_aq_get_set_rss_lut(hw, ice_get_hw_vsi_num(hw, vsi_handle),
3365 lut_type, lut, lut_size, 0, false);
3369 * ice_aq_set_rss_lut
3370 * @hw: pointer to the hardware structure
3371 * @vsi_handle: software VSI handle
3372 * @lut_type: LUT table type
3373 * @lut: pointer to the LUT buffer provided by the caller
3374 * @lut_size: size of the LUT buffer
3376 * set the RSS lookup table, PF or VSI type
3379 ice_aq_set_rss_lut(struct ice_hw *hw, u16 vsi_handle, u8 lut_type,
3380 u8 *lut, u16 lut_size)
3382 if (!ice_is_vsi_valid(hw, vsi_handle) || !lut)
3383 return ICE_ERR_PARAM;
3385 return __ice_aq_get_set_rss_lut(hw, ice_get_hw_vsi_num(hw, vsi_handle),
3386 lut_type, lut, lut_size, 0, true);
3390 * __ice_aq_get_set_rss_key
3391 * @hw: pointer to the HW struct
3392 * @vsi_id: VSI FW index
3393 * @key: pointer to key info struct
3394 * @set: set true to set the key, false to get the key
3396 * get (0x0B04) or set (0x0B02) the RSS key per VSI
3399 ice_status __ice_aq_get_set_rss_key(struct ice_hw *hw, u16 vsi_id,
3400 struct ice_aqc_get_set_rss_keys *key,
3403 struct ice_aqc_get_set_rss_key *cmd_resp;
3404 u16 key_size = sizeof(*key);
3405 struct ice_aq_desc desc;
3407 cmd_resp = &desc.params.get_set_rss_key;
3410 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_rss_key);
3411 desc.flags |= CPU_TO_LE16(ICE_AQ_FLAG_RD);
3413 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_rss_key);
3416 cmd_resp->vsi_id = CPU_TO_LE16(((vsi_id <<
3417 ICE_AQC_GSET_RSS_KEY_VSI_ID_S) &
3418 ICE_AQC_GSET_RSS_KEY_VSI_ID_M) |
3419 ICE_AQC_GSET_RSS_KEY_VSI_VALID);
3421 return ice_aq_send_cmd(hw, &desc, key, key_size, NULL);
3425 * ice_aq_get_rss_key
3426 * @hw: pointer to the HW struct
3427 * @vsi_handle: software VSI handle
3428 * @key: pointer to key info struct
3430 * get the RSS key per VSI
3433 ice_aq_get_rss_key(struct ice_hw *hw, u16 vsi_handle,
3434 struct ice_aqc_get_set_rss_keys *key)
3436 if (!ice_is_vsi_valid(hw, vsi_handle) || !key)
3437 return ICE_ERR_PARAM;
3439 return __ice_aq_get_set_rss_key(hw, ice_get_hw_vsi_num(hw, vsi_handle),
3444 * ice_aq_set_rss_key
3445 * @hw: pointer to the HW struct
3446 * @vsi_handle: software VSI handle
3447 * @keys: pointer to key info struct
3449 * set the RSS key per VSI
3452 ice_aq_set_rss_key(struct ice_hw *hw, u16 vsi_handle,
3453 struct ice_aqc_get_set_rss_keys *keys)
3455 if (!ice_is_vsi_valid(hw, vsi_handle) || !keys)
3456 return ICE_ERR_PARAM;
3458 return __ice_aq_get_set_rss_key(hw, ice_get_hw_vsi_num(hw, vsi_handle),
3463 * ice_aq_add_lan_txq
3464 * @hw: pointer to the hardware structure
3465 * @num_qgrps: Number of added queue groups
3466 * @qg_list: list of queue groups to be added
3467 * @buf_size: size of buffer for indirect command
3468 * @cd: pointer to command details structure or NULL
3470 * Add Tx LAN queue (0x0C30)
3473 * Prior to calling add Tx LAN queue:
3474 * Initialize the following as part of the Tx queue context:
3475 * Completion queue ID if the queue uses Completion queue, Quanta profile,
3476 * Cache profile and Packet shaper profile.
3478 * After add Tx LAN queue AQ command is completed:
3479 * Interrupts should be associated with specific queues,
3480 * Association of Tx queue to Doorbell queue is not part of Add LAN Tx queue
3484 ice_aq_add_lan_txq(struct ice_hw *hw, u8 num_qgrps,
3485 struct ice_aqc_add_tx_qgrp *qg_list, u16 buf_size,
3486 struct ice_sq_cd *cd)
3488 u16 i, sum_header_size, sum_q_size = 0;
3489 struct ice_aqc_add_tx_qgrp *list;
3490 struct ice_aqc_add_txqs *cmd;
3491 struct ice_aq_desc desc;
3493 ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__);
3495 cmd = &desc.params.add_txqs;
3497 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_add_txqs);
3500 return ICE_ERR_PARAM;
3502 if (num_qgrps > ICE_LAN_TXQ_MAX_QGRPS)
3503 return ICE_ERR_PARAM;
3505 sum_header_size = num_qgrps *
3506 (sizeof(*qg_list) - sizeof(*qg_list->txqs));
3509 for (i = 0; i < num_qgrps; i++) {
3510 struct ice_aqc_add_txqs_perq *q = list->txqs;
3512 sum_q_size += list->num_txqs * sizeof(*q);
3513 list = (struct ice_aqc_add_tx_qgrp *)(q + list->num_txqs);
3516 if (buf_size != (sum_header_size + sum_q_size))
3517 return ICE_ERR_PARAM;
3519 desc.flags |= CPU_TO_LE16(ICE_AQ_FLAG_RD);
3521 cmd->num_qgrps = num_qgrps;
3523 return ice_aq_send_cmd(hw, &desc, qg_list, buf_size, cd);
3527 * ice_aq_dis_lan_txq
3528 * @hw: pointer to the hardware structure
3529 * @num_qgrps: number of groups in the list
3530 * @qg_list: the list of groups to disable
3531 * @buf_size: the total size of the qg_list buffer in bytes
3532 * @rst_src: if called due to reset, specifies the reset source
3533 * @vmvf_num: the relative VM or VF number that is undergoing the reset
3534 * @cd: pointer to command details structure or NULL
3536 * Disable LAN Tx queue (0x0C31)
3538 static enum ice_status
3539 ice_aq_dis_lan_txq(struct ice_hw *hw, u8 num_qgrps,
3540 struct ice_aqc_dis_txq_item *qg_list, u16 buf_size,
3541 enum ice_disq_rst_src rst_src, u16 vmvf_num,
3542 struct ice_sq_cd *cd)
3544 struct ice_aqc_dis_txqs *cmd;
3545 struct ice_aq_desc desc;
3546 enum ice_status status;
3549 ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__);
3550 cmd = &desc.params.dis_txqs;
3551 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_dis_txqs);
3553 /* qg_list can be NULL only in VM/VF reset flow */
3554 if (!qg_list && !rst_src)
3555 return ICE_ERR_PARAM;
3557 if (num_qgrps > ICE_LAN_TXQ_MAX_QGRPS)
3558 return ICE_ERR_PARAM;
3560 cmd->num_entries = num_qgrps;
3562 cmd->vmvf_and_timeout = CPU_TO_LE16((5 << ICE_AQC_Q_DIS_TIMEOUT_S) &
3563 ICE_AQC_Q_DIS_TIMEOUT_M);
3567 cmd->cmd_type = ICE_AQC_Q_DIS_CMD_VM_RESET;
3568 cmd->vmvf_and_timeout |=
3569 CPU_TO_LE16(vmvf_num & ICE_AQC_Q_DIS_VMVF_NUM_M);
3576 /* flush pipe on time out */
3577 cmd->cmd_type |= ICE_AQC_Q_DIS_CMD_FLUSH_PIPE;
3578 /* If no queue group info, we are in a reset flow. Issue the AQ */
3582 /* set RD bit to indicate that command buffer is provided by the driver
3583 * and it needs to be read by the firmware
3585 desc.flags |= CPU_TO_LE16(ICE_AQ_FLAG_RD);
3587 for (i = 0; i < num_qgrps; ++i) {
3588 /* Calculate the size taken up by the queue IDs in this group */
3589 sz += qg_list[i].num_qs * sizeof(qg_list[i].q_id);
3591 /* Add the size of the group header */
3592 sz += sizeof(qg_list[i]) - sizeof(qg_list[i].q_id);
3594 /* If the num of queues is even, add 2 bytes of padding */
3595 if ((qg_list[i].num_qs % 2) == 0)
3600 return ICE_ERR_PARAM;
3603 status = ice_aq_send_cmd(hw, &desc, qg_list, buf_size, cd);
3606 ice_debug(hw, ICE_DBG_SCHED, "VM%d disable failed %d\n",
3607 vmvf_num, hw->adminq.sq_last_status);
3609 ice_debug(hw, ICE_DBG_SCHED, "disable queue %d failed %d\n",
3610 LE16_TO_CPU(qg_list[0].q_id[0]),
3611 hw->adminq.sq_last_status);
3617 * ice_aq_move_recfg_lan_txq
3618 * @hw: pointer to the hardware structure
3619 * @num_qs: number of queues to move/reconfigure
3620 * @is_move: true if this operation involves node movement
3621 * @is_tc_change: true if this operation involves a TC change
3622 * @subseq_call: true if this operation is a subsequent call
3623 * @flush_pipe: on timeout, true to flush pipe, false to return EAGAIN
3624 * @timeout: timeout in units of 100 usec (valid values 0-50)
3625 * @blocked_cgds: out param, bitmap of CGDs that timed out if returning EAGAIN
3626 * @buf: struct containing src/dest TEID and per-queue info
3627 * @buf_size: size of buffer for indirect command
3628 * @txqs_moved: out param, number of queues successfully moved
3629 * @cd: pointer to command details structure or NULL
3631 * Move / Reconfigure Tx LAN queues (0x0C32)
3634 ice_aq_move_recfg_lan_txq(struct ice_hw *hw, u8 num_qs, bool is_move,
3635 bool is_tc_change, bool subseq_call, bool flush_pipe,
3636 u8 timeout, u32 *blocked_cgds,
3637 struct ice_aqc_move_txqs_data *buf, u16 buf_size,
3638 u8 *txqs_moved, struct ice_sq_cd *cd)
3640 struct ice_aqc_move_txqs *cmd;
3641 struct ice_aq_desc desc;
3642 enum ice_status status;
3644 cmd = &desc.params.move_txqs;
3645 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_move_recfg_txqs);
3647 #define ICE_LAN_TXQ_MOVE_TIMEOUT_MAX 50
3648 if (timeout > ICE_LAN_TXQ_MOVE_TIMEOUT_MAX)
3649 return ICE_ERR_PARAM;
3651 if (is_tc_change && !flush_pipe && !blocked_cgds)
3652 return ICE_ERR_PARAM;
3654 if (!is_move && !is_tc_change)
3655 return ICE_ERR_PARAM;
3657 desc.flags |= CPU_TO_LE16(ICE_AQ_FLAG_RD);
3660 cmd->cmd_type |= ICE_AQC_Q_CMD_TYPE_MOVE;
3663 cmd->cmd_type |= ICE_AQC_Q_CMD_TYPE_TC_CHANGE;
3666 cmd->cmd_type |= ICE_AQC_Q_CMD_SUBSEQ_CALL;
3669 cmd->cmd_type |= ICE_AQC_Q_CMD_FLUSH_PIPE;
3671 cmd->num_qs = num_qs;
3672 cmd->timeout = ((timeout << ICE_AQC_Q_CMD_TIMEOUT_S) &
3673 ICE_AQC_Q_CMD_TIMEOUT_M);
3675 status = ice_aq_send_cmd(hw, &desc, buf, buf_size, cd);
3677 if (!status && txqs_moved)
3678 *txqs_moved = cmd->num_qs;
3680 if (hw->adminq.sq_last_status == ICE_AQ_RC_EAGAIN &&
3681 is_tc_change && !flush_pipe)
3682 *blocked_cgds = LE32_TO_CPU(cmd->blocked_cgds);
3687 /* End of FW Admin Queue command wrappers */
3690 * ice_write_byte - write a byte to a packed context structure
3691 * @src_ctx: the context structure to read from
3692 * @dest_ctx: the context to be written to
3693 * @ce_info: a description of the struct to be filled
3696 ice_write_byte(u8 *src_ctx, u8 *dest_ctx, const struct ice_ctx_ele *ce_info)
3698 u8 src_byte, dest_byte, mask;
3702 /* copy from the next struct field */
3703 from = src_ctx + ce_info->offset;
3705 /* prepare the bits and mask */
3706 shift_width = ce_info->lsb % 8;
3707 mask = (u8)(BIT(ce_info->width) - 1);
3712 /* shift to correct alignment */
3713 mask <<= shift_width;
3714 src_byte <<= shift_width;
3716 /* get the current bits from the target bit string */
3717 dest = dest_ctx + (ce_info->lsb / 8);
3719 ice_memcpy(&dest_byte, dest, sizeof(dest_byte), ICE_DMA_TO_NONDMA);
3721 dest_byte &= ~mask; /* get the bits not changing */
3722 dest_byte |= src_byte; /* add in the new bits */
3724 /* put it all back */
3725 ice_memcpy(dest, &dest_byte, sizeof(dest_byte), ICE_NONDMA_TO_DMA);
3729 * ice_write_word - write a word to a packed context structure
3730 * @src_ctx: the context structure to read from
3731 * @dest_ctx: the context to be written to
3732 * @ce_info: a description of the struct to be filled
3735 ice_write_word(u8 *src_ctx, u8 *dest_ctx, const struct ice_ctx_ele *ce_info)
3742 /* copy from the next struct field */
3743 from = src_ctx + ce_info->offset;
3745 /* prepare the bits and mask */
3746 shift_width = ce_info->lsb % 8;
3747 mask = BIT(ce_info->width) - 1;
3749 /* don't swizzle the bits until after the mask because the mask bits
3750 * will be in a different bit position on big endian machines
3752 src_word = *(u16 *)from;
3755 /* shift to correct alignment */
3756 mask <<= shift_width;
3757 src_word <<= shift_width;
3759 /* get the current bits from the target bit string */
3760 dest = dest_ctx + (ce_info->lsb / 8);
3762 ice_memcpy(&dest_word, dest, sizeof(dest_word), ICE_DMA_TO_NONDMA);
3764 dest_word &= ~(CPU_TO_LE16(mask)); /* get the bits not changing */
3765 dest_word |= CPU_TO_LE16(src_word); /* add in the new bits */
3767 /* put it all back */
3768 ice_memcpy(dest, &dest_word, sizeof(dest_word), ICE_NONDMA_TO_DMA);
3772 * ice_write_dword - write a dword to a packed context structure
3773 * @src_ctx: the context structure to read from
3774 * @dest_ctx: the context to be written to
3775 * @ce_info: a description of the struct to be filled
3778 ice_write_dword(u8 *src_ctx, u8 *dest_ctx, const struct ice_ctx_ele *ce_info)
3780 u32 src_dword, mask;
3785 /* copy from the next struct field */
3786 from = src_ctx + ce_info->offset;
3788 /* prepare the bits and mask */
3789 shift_width = ce_info->lsb % 8;
3791 /* if the field width is exactly 32 on an x86 machine, then the shift
3792 * operation will not work because the SHL instructions count is masked
3793 * to 5 bits so the shift will do nothing
3795 if (ce_info->width < 32)
3796 mask = BIT(ce_info->width) - 1;
3800 /* don't swizzle the bits until after the mask because the mask bits
3801 * will be in a different bit position on big endian machines
3803 src_dword = *(u32 *)from;
3806 /* shift to correct alignment */
3807 mask <<= shift_width;
3808 src_dword <<= shift_width;
3810 /* get the current bits from the target bit string */
3811 dest = dest_ctx + (ce_info->lsb / 8);
3813 ice_memcpy(&dest_dword, dest, sizeof(dest_dword), ICE_DMA_TO_NONDMA);
3815 dest_dword &= ~(CPU_TO_LE32(mask)); /* get the bits not changing */
3816 dest_dword |= CPU_TO_LE32(src_dword); /* add in the new bits */
3818 /* put it all back */
3819 ice_memcpy(dest, &dest_dword, sizeof(dest_dword), ICE_NONDMA_TO_DMA);
3823 * ice_write_qword - write a qword to a packed context structure
3824 * @src_ctx: the context structure to read from
3825 * @dest_ctx: the context to be written to
3826 * @ce_info: a description of the struct to be filled
3829 ice_write_qword(u8 *src_ctx, u8 *dest_ctx, const struct ice_ctx_ele *ce_info)
3831 u64 src_qword, mask;
3836 /* copy from the next struct field */
3837 from = src_ctx + ce_info->offset;
3839 /* prepare the bits and mask */
3840 shift_width = ce_info->lsb % 8;
3842 /* if the field width is exactly 64 on an x86 machine, then the shift
3843 * operation will not work because the SHL instructions count is masked
3844 * to 6 bits so the shift will do nothing
3846 if (ce_info->width < 64)
3847 mask = BIT_ULL(ce_info->width) - 1;
3851 /* don't swizzle the bits until after the mask because the mask bits
3852 * will be in a different bit position on big endian machines
3854 src_qword = *(u64 *)from;
3857 /* shift to correct alignment */
3858 mask <<= shift_width;
3859 src_qword <<= shift_width;
3861 /* get the current bits from the target bit string */
3862 dest = dest_ctx + (ce_info->lsb / 8);
3864 ice_memcpy(&dest_qword, dest, sizeof(dest_qword), ICE_DMA_TO_NONDMA);
3866 dest_qword &= ~(CPU_TO_LE64(mask)); /* get the bits not changing */
3867 dest_qword |= CPU_TO_LE64(src_qword); /* add in the new bits */
3869 /* put it all back */
3870 ice_memcpy(dest, &dest_qword, sizeof(dest_qword), ICE_NONDMA_TO_DMA);
3874 * ice_set_ctx - set context bits in packed structure
3875 * @hw: pointer to the hardware structure
3876 * @src_ctx: pointer to a generic non-packed context structure
3877 * @dest_ctx: pointer to memory for the packed structure
3878 * @ce_info: a description of the structure to be transformed
3881 ice_set_ctx(struct ice_hw *hw, u8 *src_ctx, u8 *dest_ctx,
3882 const struct ice_ctx_ele *ce_info)
3886 for (f = 0; ce_info[f].width; f++) {
3887 /* We have to deal with each element of the FW response
3888 * using the correct size so that we are correct regardless
3889 * of the endianness of the machine.
3891 if (ce_info[f].width > (ce_info[f].size_of * BITS_PER_BYTE)) {
3892 ice_debug(hw, ICE_DBG_QCTX,
3893 "Field %d width of %d bits larger than size of %d byte(s) ... skipping write\n",
3894 f, ce_info[f].width, ce_info[f].size_of);
3897 switch (ce_info[f].size_of) {
3899 ice_write_byte(src_ctx, dest_ctx, &ce_info[f]);
3902 ice_write_word(src_ctx, dest_ctx, &ce_info[f]);
3905 ice_write_dword(src_ctx, dest_ctx, &ce_info[f]);
3908 ice_write_qword(src_ctx, dest_ctx, &ce_info[f]);
3911 return ICE_ERR_INVAL_SIZE;
3919 * ice_read_byte - read context byte into struct
3920 * @src_ctx: the context structure to read from
3921 * @dest_ctx: the context to be written to
3922 * @ce_info: a description of the struct to be filled
3925 ice_read_byte(u8 *src_ctx, u8 *dest_ctx, struct ice_ctx_ele *ce_info)
3931 /* prepare the bits and mask */
3932 shift_width = ce_info->lsb % 8;
3933 mask = (u8)(BIT(ce_info->width) - 1);
3935 /* shift to correct alignment */
3936 mask <<= shift_width;
3938 /* get the current bits from the src bit string */
3939 src = src_ctx + (ce_info->lsb / 8);
3941 ice_memcpy(&dest_byte, src, sizeof(dest_byte), ICE_DMA_TO_NONDMA);
3943 dest_byte &= ~(mask);
3945 dest_byte >>= shift_width;
3947 /* get the address from the struct field */
3948 target = dest_ctx + ce_info->offset;
3950 /* put it back in the struct */
3951 ice_memcpy(target, &dest_byte, sizeof(dest_byte), ICE_NONDMA_TO_DMA);
3955 * ice_read_word - read context word into struct
3956 * @src_ctx: the context structure to read from
3957 * @dest_ctx: the context to be written to
3958 * @ce_info: a description of the struct to be filled
3961 ice_read_word(u8 *src_ctx, u8 *dest_ctx, struct ice_ctx_ele *ce_info)
3963 u16 dest_word, mask;
3968 /* prepare the bits and mask */
3969 shift_width = ce_info->lsb % 8;
3970 mask = BIT(ce_info->width) - 1;
3972 /* shift to correct alignment */
3973 mask <<= shift_width;
3975 /* get the current bits from the src bit string */
3976 src = src_ctx + (ce_info->lsb / 8);
3978 ice_memcpy(&src_word, src, sizeof(src_word), ICE_DMA_TO_NONDMA);
3980 /* the data in the memory is stored as little endian so mask it
3983 src_word &= ~(CPU_TO_LE16(mask));
3985 /* get the data back into host order before shifting */
3986 dest_word = LE16_TO_CPU(src_word);
3988 dest_word >>= shift_width;
3990 /* get the address from the struct field */
3991 target = dest_ctx + ce_info->offset;
3993 /* put it back in the struct */
3994 ice_memcpy(target, &dest_word, sizeof(dest_word), ICE_NONDMA_TO_DMA);
3998 * ice_read_dword - read context dword into struct
3999 * @src_ctx: the context structure to read from
4000 * @dest_ctx: the context to be written to
4001 * @ce_info: a description of the struct to be filled
4004 ice_read_dword(u8 *src_ctx, u8 *dest_ctx, struct ice_ctx_ele *ce_info)
4006 u32 dest_dword, mask;
4011 /* prepare the bits and mask */
4012 shift_width = ce_info->lsb % 8;
4014 /* if the field width is exactly 32 on an x86 machine, then the shift
4015 * operation will not work because the SHL instructions count is masked
4016 * to 5 bits so the shift will do nothing
4018 if (ce_info->width < 32)
4019 mask = BIT(ce_info->width) - 1;
4023 /* shift to correct alignment */
4024 mask <<= shift_width;
4026 /* get the current bits from the src bit string */
4027 src = src_ctx + (ce_info->lsb / 8);
4029 ice_memcpy(&src_dword, src, sizeof(src_dword), ICE_DMA_TO_NONDMA);
4031 /* the data in the memory is stored as little endian so mask it
4034 src_dword &= ~(CPU_TO_LE32(mask));
4036 /* get the data back into host order before shifting */
4037 dest_dword = LE32_TO_CPU(src_dword);
4039 dest_dword >>= shift_width;
4041 /* get the address from the struct field */
4042 target = dest_ctx + ce_info->offset;
4044 /* put it back in the struct */
4045 ice_memcpy(target, &dest_dword, sizeof(dest_dword), ICE_NONDMA_TO_DMA);
4049 * ice_read_qword - read context qword into struct
4050 * @src_ctx: the context structure to read from
4051 * @dest_ctx: the context to be written to
4052 * @ce_info: a description of the struct to be filled
4055 ice_read_qword(u8 *src_ctx, u8 *dest_ctx, struct ice_ctx_ele *ce_info)
4057 u64 dest_qword, mask;
4062 /* prepare the bits and mask */
4063 shift_width = ce_info->lsb % 8;
4065 /* if the field width is exactly 64 on an x86 machine, then the shift
4066 * operation will not work because the SHL instructions count is masked
4067 * to 6 bits so the shift will do nothing
4069 if (ce_info->width < 64)
4070 mask = BIT_ULL(ce_info->width) - 1;
4074 /* shift to correct alignment */
4075 mask <<= shift_width;
4077 /* get the current bits from the src bit string */
4078 src = src_ctx + (ce_info->lsb / 8);
4080 ice_memcpy(&src_qword, src, sizeof(src_qword), ICE_DMA_TO_NONDMA);
4082 /* the data in the memory is stored as little endian so mask it
4085 src_qword &= ~(CPU_TO_LE64(mask));
4087 /* get the data back into host order before shifting */
4088 dest_qword = LE64_TO_CPU(src_qword);
4090 dest_qword >>= shift_width;
4092 /* get the address from the struct field */
4093 target = dest_ctx + ce_info->offset;
4095 /* put it back in the struct */
4096 ice_memcpy(target, &dest_qword, sizeof(dest_qword), ICE_NONDMA_TO_DMA);
4100 * ice_get_ctx - extract context bits from a packed structure
4101 * @src_ctx: pointer to a generic packed context structure
4102 * @dest_ctx: pointer to a generic non-packed context structure
4103 * @ce_info: a description of the structure to be read from
4106 ice_get_ctx(u8 *src_ctx, u8 *dest_ctx, struct ice_ctx_ele *ce_info)
4110 for (f = 0; ce_info[f].width; f++) {
4111 switch (ce_info[f].size_of) {
4113 ice_read_byte(src_ctx, dest_ctx, &ce_info[f]);
4116 ice_read_word(src_ctx, dest_ctx, &ce_info[f]);
4119 ice_read_dword(src_ctx, dest_ctx, &ce_info[f]);
4122 ice_read_qword(src_ctx, dest_ctx, &ce_info[f]);
4125 /* nothing to do, just keep going */
4134 * ice_get_lan_q_ctx - get the LAN queue context for the given VSI and TC
4135 * @hw: pointer to the HW struct
4136 * @vsi_handle: software VSI handle
4138 * @q_handle: software queue handle
4141 ice_get_lan_q_ctx(struct ice_hw *hw, u16 vsi_handle, u8 tc, u16 q_handle)
4143 struct ice_vsi_ctx *vsi;
4144 struct ice_q_ctx *q_ctx;
4146 vsi = ice_get_vsi_ctx(hw, vsi_handle);
4149 if (q_handle >= vsi->num_lan_q_entries[tc])
4151 if (!vsi->lan_q_ctx[tc])
4153 q_ctx = vsi->lan_q_ctx[tc];
4154 return &q_ctx[q_handle];
4159 * @pi: port information structure
4160 * @vsi_handle: software VSI handle
4162 * @q_handle: software queue handle
4163 * @num_qgrps: Number of added queue groups
4164 * @buf: list of queue groups to be added
4165 * @buf_size: size of buffer for indirect command
4166 * @cd: pointer to command details structure or NULL
4168 * This function adds one LAN queue
4171 ice_ena_vsi_txq(struct ice_port_info *pi, u16 vsi_handle, u8 tc, u16 q_handle,
4172 u8 num_qgrps, struct ice_aqc_add_tx_qgrp *buf, u16 buf_size,
4173 struct ice_sq_cd *cd)
4175 struct ice_aqc_txsched_elem_data node = { 0 };
4176 struct ice_sched_node *parent;
4177 struct ice_q_ctx *q_ctx;
4178 enum ice_status status;
4181 if (!pi || pi->port_state != ICE_SCHED_PORT_STATE_READY)
4184 if (num_qgrps > 1 || buf->num_txqs > 1)
4185 return ICE_ERR_MAX_LIMIT;
4189 if (!ice_is_vsi_valid(hw, vsi_handle))
4190 return ICE_ERR_PARAM;
4192 ice_acquire_lock(&pi->sched_lock);
4194 q_ctx = ice_get_lan_q_ctx(hw, vsi_handle, tc, q_handle);
4196 ice_debug(hw, ICE_DBG_SCHED, "Enaq: invalid queue handle %d\n",
4198 status = ICE_ERR_PARAM;
4202 /* find a parent node */
4203 parent = ice_sched_get_free_qparent(pi, vsi_handle, tc,
4204 ICE_SCHED_NODE_OWNER_LAN);
4206 status = ICE_ERR_PARAM;
4210 buf->parent_teid = parent->info.node_teid;
4211 node.parent_teid = parent->info.node_teid;
4212 /* Mark that the values in the "generic" section as valid. The default
4213 * value in the "generic" section is zero. This means that :
4214 * - Scheduling mode is Bytes Per Second (BPS), indicated by Bit 0.
4215 * - 0 priority among siblings, indicated by Bit 1-3.
4216 * - WFQ, indicated by Bit 4.
4217 * - 0 Adjustment value is used in PSM credit update flow, indicated by
4219 * - Bit 7 is reserved.
4220 * Without setting the generic section as valid in valid_sections, the
4221 * Admin queue command will fail with error code ICE_AQ_RC_EINVAL.
4223 buf->txqs[0].info.valid_sections =
4224 ICE_AQC_ELEM_VALID_GENERIC | ICE_AQC_ELEM_VALID_CIR |
4225 ICE_AQC_ELEM_VALID_EIR;
4226 buf->txqs[0].info.generic = 0;
4227 buf->txqs[0].info.cir_bw.bw_profile_idx =
4228 CPU_TO_LE16(ICE_SCHED_DFLT_RL_PROF_ID);
4229 buf->txqs[0].info.cir_bw.bw_alloc =
4230 CPU_TO_LE16(ICE_SCHED_DFLT_BW_WT);
4231 buf->txqs[0].info.eir_bw.bw_profile_idx =
4232 CPU_TO_LE16(ICE_SCHED_DFLT_RL_PROF_ID);
4233 buf->txqs[0].info.eir_bw.bw_alloc =
4234 CPU_TO_LE16(ICE_SCHED_DFLT_BW_WT);
4236 /* add the LAN queue */
4237 status = ice_aq_add_lan_txq(hw, num_qgrps, buf, buf_size, cd);
4238 if (status != ICE_SUCCESS) {
4239 ice_debug(hw, ICE_DBG_SCHED, "enable queue %d failed %d\n",
4240 LE16_TO_CPU(buf->txqs[0].txq_id),
4241 hw->adminq.sq_last_status);
4245 node.node_teid = buf->txqs[0].q_teid;
4246 node.data.elem_type = ICE_AQC_ELEM_TYPE_LEAF;
4247 q_ctx->q_handle = q_handle;
4248 q_ctx->q_teid = LE32_TO_CPU(node.node_teid);
4250 /* add a leaf node into scheduler tree queue layer */
4251 status = ice_sched_add_node(pi, hw->num_tx_sched_layers - 1, &node);
4253 status = ice_sched_replay_q_bw(pi, q_ctx);
4256 ice_release_lock(&pi->sched_lock);
4262 * @pi: port information structure
4263 * @vsi_handle: software VSI handle
4265 * @num_queues: number of queues
4266 * @q_handles: pointer to software queue handle array
4267 * @q_ids: pointer to the q_id array
4268 * @q_teids: pointer to queue node teids
4269 * @rst_src: if called due to reset, specifies the reset source
4270 * @vmvf_num: the relative VM or VF number that is undergoing the reset
4271 * @cd: pointer to command details structure or NULL
4273 * This function removes queues and their corresponding nodes in SW DB
4276 ice_dis_vsi_txq(struct ice_port_info *pi, u16 vsi_handle, u8 tc, u8 num_queues,
4277 u16 *q_handles, u16 *q_ids, u32 *q_teids,
4278 enum ice_disq_rst_src rst_src, u16 vmvf_num,
4279 struct ice_sq_cd *cd)
4281 enum ice_status status = ICE_ERR_DOES_NOT_EXIST;
4282 struct ice_aqc_dis_txq_item qg_list;
4283 struct ice_q_ctx *q_ctx;
4286 if (!pi || pi->port_state != ICE_SCHED_PORT_STATE_READY)
4290 /* if queue is disabled already yet the disable queue command
4291 * has to be sent to complete the VF reset, then call
4292 * ice_aq_dis_lan_txq without any queue information
4295 return ice_aq_dis_lan_txq(pi->hw, 0, NULL, 0, rst_src,
4300 ice_acquire_lock(&pi->sched_lock);
4302 for (i = 0; i < num_queues; i++) {
4303 struct ice_sched_node *node;
4305 node = ice_sched_find_node_by_teid(pi->root, q_teids[i]);
4308 q_ctx = ice_get_lan_q_ctx(pi->hw, vsi_handle, tc, q_handles[i]);
4310 ice_debug(pi->hw, ICE_DBG_SCHED, "invalid queue handle%d\n",
4314 if (q_ctx->q_handle != q_handles[i]) {
4315 ice_debug(pi->hw, ICE_DBG_SCHED, "Err:handles %d %d\n",
4316 q_ctx->q_handle, q_handles[i]);
4319 qg_list.parent_teid = node->info.parent_teid;
4321 qg_list.q_id[0] = CPU_TO_LE16(q_ids[i]);
4322 status = ice_aq_dis_lan_txq(pi->hw, 1, &qg_list,
4323 sizeof(qg_list), rst_src, vmvf_num,
4326 if (status != ICE_SUCCESS)
4328 ice_free_sched_node(pi, node);
4329 q_ctx->q_handle = ICE_INVAL_Q_HANDLE;
4331 ice_release_lock(&pi->sched_lock);
4336 * ice_cfg_vsi_qs - configure the new/existing VSI queues
4337 * @pi: port information structure
4338 * @vsi_handle: software VSI handle
4339 * @tc_bitmap: TC bitmap
4340 * @maxqs: max queues array per TC
4341 * @owner: LAN or RDMA
4343 * This function adds/updates the VSI queues per TC.
4345 static enum ice_status
4346 ice_cfg_vsi_qs(struct ice_port_info *pi, u16 vsi_handle, u16 tc_bitmap,
4347 u16 *maxqs, u8 owner)
4349 enum ice_status status = ICE_SUCCESS;
4352 if (!pi || pi->port_state != ICE_SCHED_PORT_STATE_READY)
4355 if (!ice_is_vsi_valid(pi->hw, vsi_handle))
4356 return ICE_ERR_PARAM;
4358 ice_acquire_lock(&pi->sched_lock);
4360 ice_for_each_traffic_class(i) {
4361 /* configuration is possible only if TC node is present */
4362 if (!ice_sched_get_tc_node(pi, i))
4365 status = ice_sched_cfg_vsi(pi, vsi_handle, i, maxqs[i], owner,
4366 ice_is_tc_ena(tc_bitmap, i));
4371 ice_release_lock(&pi->sched_lock);
4376 * ice_cfg_vsi_lan - configure VSI LAN queues
4377 * @pi: port information structure
4378 * @vsi_handle: software VSI handle
4379 * @tc_bitmap: TC bitmap
4380 * @max_lanqs: max LAN queues array per TC
4382 * This function adds/updates the VSI LAN queues per TC.
4385 ice_cfg_vsi_lan(struct ice_port_info *pi, u16 vsi_handle, u16 tc_bitmap,
4388 return ice_cfg_vsi_qs(pi, vsi_handle, tc_bitmap, max_lanqs,
4389 ICE_SCHED_NODE_OWNER_LAN);
4393 * ice_is_main_vsi - checks whether the VSI is main VSI
4394 * @hw: pointer to the HW struct
4395 * @vsi_handle: VSI handle
4397 * Checks whether the VSI is the main VSI (the first PF VSI created on
4400 static bool ice_is_main_vsi(struct ice_hw *hw, u16 vsi_handle)
4402 return vsi_handle == ICE_MAIN_VSI_HANDLE && hw->vsi_ctx[vsi_handle];
4406 * ice_replay_pre_init - replay pre initialization
4407 * @hw: pointer to the HW struct
4408 * @sw: pointer to switch info struct for which function initializes filters
4410 * Initializes required config data for VSI, FD, ACL, and RSS before replay.
4412 static enum ice_status
4413 ice_replay_pre_init(struct ice_hw *hw, struct ice_switch_info *sw)
4417 /* Delete old entries from replay filter list head if there is any */
4418 ice_rm_sw_replay_rule_info(hw, sw);
4419 /* In start of replay, move entries into replay_rules list, it
4420 * will allow adding rules entries back to filt_rules list,
4421 * which is operational list.
4423 for (i = 0; i < ICE_MAX_NUM_RECIPES; i++)
4424 LIST_REPLACE_INIT(&sw->recp_list[i].filt_rules,
4425 &sw->recp_list[i].filt_replay_rules);
4426 ice_sched_replay_agg_vsi_preinit(hw);
4428 return ice_sched_replay_tc_node_bw(hw->port_info);
4432 * ice_replay_vsi - replay VSI configuration
4433 * @hw: pointer to the HW struct
4434 * @vsi_handle: driver VSI handle
4436 * Restore all VSI configuration after reset. It is required to call this
4437 * function with main VSI first.
4439 enum ice_status ice_replay_vsi(struct ice_hw *hw, u16 vsi_handle)
4441 struct ice_switch_info *sw = hw->switch_info;
4442 struct ice_port_info *pi = hw->port_info;
4443 enum ice_status status;
4445 if (!ice_is_vsi_valid(hw, vsi_handle))
4446 return ICE_ERR_PARAM;
4448 /* Replay pre-initialization if there is any */
4449 if (ice_is_main_vsi(hw, vsi_handle)) {
4450 status = ice_replay_pre_init(hw, sw);
4454 /* Replay per VSI all RSS configurations */
4455 status = ice_replay_rss_cfg(hw, vsi_handle);
4458 /* Replay per VSI all filters */
4459 status = ice_replay_vsi_all_fltr(hw, pi, vsi_handle);
4461 status = ice_replay_vsi_agg(hw, vsi_handle);
4466 * ice_replay_post - post replay configuration cleanup
4467 * @hw: pointer to the HW struct
4469 * Post replay cleanup.
4471 void ice_replay_post(struct ice_hw *hw)
4473 /* Delete old entries from replay filter list head */
4474 ice_rm_all_sw_replay_rule_info(hw);
4475 ice_sched_replay_agg(hw);
4479 * ice_stat_update40 - read 40 bit stat from the chip and update stat values
4480 * @hw: ptr to the hardware info
4481 * @reg: offset of 64 bit HW register to read from
4482 * @prev_stat_loaded: bool to specify if previous stats are loaded
4483 * @prev_stat: ptr to previous loaded stat value
4484 * @cur_stat: ptr to current stat value
4487 ice_stat_update40(struct ice_hw *hw, u32 reg, bool prev_stat_loaded,
4488 u64 *prev_stat, u64 *cur_stat)
4490 u64 new_data = rd64(hw, reg) & (BIT_ULL(40) - 1);
4492 /* device stats are not reset at PFR, they likely will not be zeroed
4493 * when the driver starts. Thus, save the value from the first read
4494 * without adding to the statistic value so that we report stats which
4495 * count up from zero.
4497 if (!prev_stat_loaded) {
4498 *prev_stat = new_data;
4502 /* Calculate the difference between the new and old values, and then
4503 * add it to the software stat value.
4505 if (new_data >= *prev_stat)
4506 *cur_stat += new_data - *prev_stat;
4508 /* to manage the potential roll-over */
4509 *cur_stat += (new_data + BIT_ULL(40)) - *prev_stat;
4511 /* Update the previously stored value to prepare for next read */
4512 *prev_stat = new_data;
4516 * ice_stat_update32 - read 32 bit stat from the chip and update stat values
4517 * @hw: ptr to the hardware info
4518 * @reg: offset of HW register to read from
4519 * @prev_stat_loaded: bool to specify if previous stats are loaded
4520 * @prev_stat: ptr to previous loaded stat value
4521 * @cur_stat: ptr to current stat value
4524 ice_stat_update32(struct ice_hw *hw, u32 reg, bool prev_stat_loaded,
4525 u64 *prev_stat, u64 *cur_stat)
4529 new_data = rd32(hw, reg);
4531 /* device stats are not reset at PFR, they likely will not be zeroed
4532 * when the driver starts. Thus, save the value from the first read
4533 * without adding to the statistic value so that we report stats which
4534 * count up from zero.
4536 if (!prev_stat_loaded) {
4537 *prev_stat = new_data;
4541 /* Calculate the difference between the new and old values, and then
4542 * add it to the software stat value.
4544 if (new_data >= *prev_stat)
4545 *cur_stat += new_data - *prev_stat;
4547 /* to manage the potential roll-over */
4548 *cur_stat += (new_data + BIT_ULL(32)) - *prev_stat;
4550 /* Update the previously stored value to prepare for next read */
4551 *prev_stat = new_data;
4555 * ice_stat_update_repc - read GLV_REPC stats from chip and update stat values
4556 * @hw: ptr to the hardware info
4557 * @vsi_handle: VSI handle
4558 * @prev_stat_loaded: bool to specify if the previous stat values are loaded
4559 * @cur_stats: ptr to current stats structure
4561 * The GLV_REPC statistic register actually tracks two 16bit statistics, and
4562 * thus cannot be read using the normal ice_stat_update32 function.
4564 * Read the GLV_REPC register associated with the given VSI, and update the
4565 * rx_no_desc and rx_error values in the ice_eth_stats structure.
4567 * Because the statistics in GLV_REPC stick at 0xFFFF, the register must be
4568 * cleared each time it's read.
4570 * Note that the GLV_RDPC register also counts the causes that would trigger
4571 * GLV_REPC. However, it does not give the finer grained detail about why the
4572 * packets are being dropped. The GLV_REPC values can be used to distinguish
4573 * whether Rx packets are dropped due to errors or due to no available
4577 ice_stat_update_repc(struct ice_hw *hw, u16 vsi_handle, bool prev_stat_loaded,
4578 struct ice_eth_stats *cur_stats)
4580 u16 vsi_num, no_desc, error_cnt;
4583 if (!ice_is_vsi_valid(hw, vsi_handle))
4586 vsi_num = ice_get_hw_vsi_num(hw, vsi_handle);
4588 /* If we haven't loaded stats yet, just clear the current value */
4589 if (!prev_stat_loaded) {
4590 wr32(hw, GLV_REPC(vsi_num), 0);
4594 repc = rd32(hw, GLV_REPC(vsi_num));
4595 no_desc = (repc & GLV_REPC_NO_DESC_CNT_M) >> GLV_REPC_NO_DESC_CNT_S;
4596 error_cnt = (repc & GLV_REPC_ERROR_CNT_M) >> GLV_REPC_ERROR_CNT_S;
4598 /* Clear the count by writing to the stats register */
4599 wr32(hw, GLV_REPC(vsi_num), 0);
4601 cur_stats->rx_no_desc += no_desc;
4602 cur_stats->rx_errors += error_cnt;
4606 * ice_sched_query_elem - query element information from HW
4607 * @hw: pointer to the HW struct
4608 * @node_teid: node TEID to be queried
4609 * @buf: buffer to element information
4611 * This function queries HW element information
4614 ice_sched_query_elem(struct ice_hw *hw, u32 node_teid,
4615 struct ice_aqc_get_elem *buf)
4617 u16 buf_size, num_elem_ret = 0;
4618 enum ice_status status;
4620 buf_size = sizeof(*buf);
4621 ice_memset(buf, 0, buf_size, ICE_NONDMA_MEM);
4622 buf->generic[0].node_teid = CPU_TO_LE32(node_teid);
4623 status = ice_aq_query_sched_elems(hw, 1, buf, buf_size, &num_elem_ret,
4625 if (status != ICE_SUCCESS || num_elem_ret != 1)
4626 ice_debug(hw, ICE_DBG_SCHED, "query element failed\n");
4631 * ice_get_fw_mode - returns FW mode
4632 * @hw: pointer to the HW struct
4634 enum ice_fw_modes ice_get_fw_mode(struct ice_hw *hw)
4636 #define ICE_FW_MODE_DBG_M BIT(0)
4637 #define ICE_FW_MODE_REC_M BIT(1)
4638 #define ICE_FW_MODE_ROLLBACK_M BIT(2)
4641 /* check the current FW mode */
4642 fw_mode = rd32(hw, GL_MNG_FWSM) & GL_MNG_FWSM_FW_MODES_M;
4644 if (fw_mode & ICE_FW_MODE_DBG_M)
4645 return ICE_FW_MODE_DBG;
4646 else if (fw_mode & ICE_FW_MODE_REC_M)
4647 return ICE_FW_MODE_REC;
4648 else if (fw_mode & ICE_FW_MODE_ROLLBACK_M)
4649 return ICE_FW_MODE_ROLLBACK;
4651 return ICE_FW_MODE_NORMAL;
4655 * ice_fw_supports_link_override
4656 * @hw: pointer to the hardware structure
4658 * Checks if the firmware supports link override
4660 bool ice_fw_supports_link_override(struct ice_hw *hw)
4662 /* Currently, only supported for E810 devices */
4663 if (hw->mac_type != ICE_MAC_E810)
4666 if (hw->api_maj_ver == ICE_FW_API_LINK_OVERRIDE_MAJ) {
4667 if (hw->api_min_ver > ICE_FW_API_LINK_OVERRIDE_MIN)
4669 if (hw->api_min_ver == ICE_FW_API_LINK_OVERRIDE_MIN &&
4670 hw->api_patch >= ICE_FW_API_LINK_OVERRIDE_PATCH)
4672 } else if (hw->api_maj_ver > ICE_FW_API_LINK_OVERRIDE_MAJ) {
4680 * ice_get_link_default_override
4681 * @ldo: pointer to the link default override struct
4682 * @pi: pointer to the port info struct
4684 * Gets the link default override for a port
4687 ice_get_link_default_override(struct ice_link_default_override_tlv *ldo,
4688 struct ice_port_info *pi)
4690 u16 i, tlv, tlv_len, tlv_start, buf, offset;
4691 struct ice_hw *hw = pi->hw;
4692 enum ice_status status;
4694 status = ice_get_pfa_module_tlv(hw, &tlv, &tlv_len,
4695 ICE_SR_LINK_DEFAULT_OVERRIDE_PTR);
4697 ice_debug(hw, ICE_DBG_INIT,
4698 "Failed to read link override TLV.\n");
4702 /* Each port has its own config; calculate for our port */
4703 tlv_start = tlv + pi->lport * ICE_SR_PFA_LINK_OVERRIDE_WORDS +
4704 ICE_SR_PFA_LINK_OVERRIDE_OFFSET;
4706 /* link options first */
4707 status = ice_read_sr_word(hw, tlv_start, &buf);
4709 ice_debug(hw, ICE_DBG_INIT,
4710 "Failed to read override link options.\n");
4713 ldo->options = buf & ICE_LINK_OVERRIDE_OPT_M;
4714 ldo->phy_config = (buf & ICE_LINK_OVERRIDE_PHY_CFG_M) >>
4715 ICE_LINK_OVERRIDE_PHY_CFG_S;
4717 /* link PHY config */
4718 offset = tlv_start + ICE_SR_PFA_LINK_OVERRIDE_FEC_OFFSET;
4719 status = ice_read_sr_word(hw, offset, &buf);
4721 ice_debug(hw, ICE_DBG_INIT,
4722 "Failed to read override phy config.\n");
4725 ldo->fec_options = buf & ICE_LINK_OVERRIDE_FEC_OPT_M;
4728 offset = tlv_start + ICE_SR_PFA_LINK_OVERRIDE_PHY_OFFSET;
4729 for (i = 0; i < ICE_SR_PFA_LINK_OVERRIDE_PHY_WORDS; i++) {
4730 status = ice_read_sr_word(hw, (offset + i), &buf);
4732 ice_debug(hw, ICE_DBG_INIT,
4733 "Failed to read override link options.\n");
4736 /* shift 16 bits at a time to fill 64 bits */
4737 ldo->phy_type_low |= ((u64)buf << (i * 16));
4740 /* PHY types high */
4741 offset = tlv_start + ICE_SR_PFA_LINK_OVERRIDE_PHY_OFFSET +
4742 ICE_SR_PFA_LINK_OVERRIDE_PHY_WORDS;
4743 for (i = 0; i < ICE_SR_PFA_LINK_OVERRIDE_PHY_WORDS; i++) {
4744 status = ice_read_sr_word(hw, (offset + i), &buf);
4746 ice_debug(hw, ICE_DBG_INIT,
4747 "Failed to read override link options.\n");
4750 /* shift 16 bits at a time to fill 64 bits */
4751 ldo->phy_type_high |= ((u64)buf << (i * 16));
4758 * ice_is_phy_caps_an_enabled - check if PHY capabilities autoneg is enabled
4759 * @caps: get PHY capability data
4761 bool ice_is_phy_caps_an_enabled(struct ice_aqc_get_phy_caps_data *caps)
4763 if (caps->caps & ICE_AQC_PHY_AN_MODE ||
4764 caps->low_power_ctrl_an & (ICE_AQC_PHY_AN_EN_CLAUSE28 |
4765 ICE_AQC_PHY_AN_EN_CLAUSE73 |
4766 ICE_AQC_PHY_AN_EN_CLAUSE37))
4773 * ice_aq_set_lldp_mib - Set the LLDP MIB
4774 * @hw: pointer to the HW struct
4775 * @mib_type: Local, Remote or both Local and Remote MIBs
4776 * @buf: pointer to the caller-supplied buffer to store the MIB block
4777 * @buf_size: size of the buffer (in bytes)
4778 * @cd: pointer to command details structure or NULL
4780 * Set the LLDP MIB. (0x0A08)
4783 ice_aq_set_lldp_mib(struct ice_hw *hw, u8 mib_type, void *buf, u16 buf_size,
4784 struct ice_sq_cd *cd)
4786 struct ice_aqc_lldp_set_local_mib *cmd;
4787 struct ice_aq_desc desc;
4789 cmd = &desc.params.lldp_set_mib;
4791 if (buf_size == 0 || !buf)
4792 return ICE_ERR_PARAM;
4794 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_lldp_set_local_mib);
4796 desc.flags |= CPU_TO_LE16((u16)ICE_AQ_FLAG_RD);
4797 desc.datalen = CPU_TO_LE16(buf_size);
4799 cmd->type = mib_type;
4800 cmd->length = CPU_TO_LE16(buf_size);
4802 return ice_aq_send_cmd(hw, &desc, buf, buf_size, cd);