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_discover_dev_caps is expected to be called before this function is
93 static enum ice_status
94 ice_aq_manage_mac_read(struct ice_hw *hw, void *buf, u16 buf_size,
97 struct ice_aqc_manage_mac_read_resp *resp;
98 struct ice_aqc_manage_mac_read *cmd;
99 struct ice_aq_desc desc;
100 enum ice_status status;
104 cmd = &desc.params.mac_read;
106 if (buf_size < sizeof(*resp))
107 return ICE_ERR_BUF_TOO_SHORT;
109 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_manage_mac_read);
111 status = ice_aq_send_cmd(hw, &desc, buf, buf_size, cd);
115 resp = (struct ice_aqc_manage_mac_read_resp *)buf;
116 flags = LE16_TO_CPU(cmd->flags) & ICE_AQC_MAN_MAC_READ_M;
118 if (!(flags & ICE_AQC_MAN_MAC_LAN_ADDR_VALID)) {
119 ice_debug(hw, ICE_DBG_LAN, "got invalid MAC address\n");
123 /* A single port can report up to two (LAN and WoL) addresses */
124 for (i = 0; i < cmd->num_addr; i++)
125 if (resp[i].addr_type == ICE_AQC_MAN_MAC_ADDR_TYPE_LAN) {
126 ice_memcpy(hw->port_info->mac.lan_addr,
127 resp[i].mac_addr, ETH_ALEN,
129 ice_memcpy(hw->port_info->mac.perm_addr,
131 ETH_ALEN, ICE_DMA_TO_NONDMA);
138 * ice_aq_get_phy_caps - returns PHY capabilities
139 * @pi: port information structure
140 * @qual_mods: report qualified modules
141 * @report_mode: report mode capabilities
142 * @pcaps: structure for PHY capabilities to be filled
143 * @cd: pointer to command details structure or NULL
145 * Returns the various PHY capabilities supported on the Port (0x0600)
148 ice_aq_get_phy_caps(struct ice_port_info *pi, bool qual_mods, u8 report_mode,
149 struct ice_aqc_get_phy_caps_data *pcaps,
150 struct ice_sq_cd *cd)
152 struct ice_aqc_get_phy_caps *cmd;
153 u16 pcaps_size = sizeof(*pcaps);
154 struct ice_aq_desc desc;
155 enum ice_status status;
158 cmd = &desc.params.get_phy;
160 if (!pcaps || (report_mode & ~ICE_AQC_REPORT_MODE_M) || !pi)
161 return ICE_ERR_PARAM;
164 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_phy_caps);
167 cmd->param0 |= CPU_TO_LE16(ICE_AQC_GET_PHY_RQM);
169 cmd->param0 |= CPU_TO_LE16(report_mode);
170 status = ice_aq_send_cmd(hw, &desc, pcaps, pcaps_size, cd);
172 ice_debug(hw, ICE_DBG_LINK, "get phy caps - report_mode = 0x%x\n",
174 ice_debug(hw, ICE_DBG_LINK, " phy_type_low = 0x%llx\n",
175 (unsigned long long)LE64_TO_CPU(pcaps->phy_type_low));
176 ice_debug(hw, ICE_DBG_LINK, " phy_type_high = 0x%llx\n",
177 (unsigned long long)LE64_TO_CPU(pcaps->phy_type_high));
178 ice_debug(hw, ICE_DBG_LINK, " caps = 0x%x\n", pcaps->caps);
179 ice_debug(hw, ICE_DBG_LINK, " low_power_ctrl_an = 0x%x\n",
180 pcaps->low_power_ctrl_an);
181 ice_debug(hw, ICE_DBG_LINK, " eee_cap = 0x%x\n", pcaps->eee_cap);
182 ice_debug(hw, ICE_DBG_LINK, " eeer_value = 0x%x\n",
184 ice_debug(hw, ICE_DBG_LINK, " link_fec_options = 0x%x\n",
185 pcaps->link_fec_options);
186 ice_debug(hw, ICE_DBG_LINK, " module_compliance_enforcement = 0x%x\n",
187 pcaps->module_compliance_enforcement);
188 ice_debug(hw, ICE_DBG_LINK, " extended_compliance_code = 0x%x\n",
189 pcaps->extended_compliance_code);
190 ice_debug(hw, ICE_DBG_LINK, " module_type[0] = 0x%x\n",
191 pcaps->module_type[0]);
192 ice_debug(hw, ICE_DBG_LINK, " module_type[1] = 0x%x\n",
193 pcaps->module_type[1]);
194 ice_debug(hw, ICE_DBG_LINK, " module_type[2] = 0x%x\n",
195 pcaps->module_type[2]);
197 if (status == ICE_SUCCESS && report_mode == ICE_AQC_REPORT_TOPO_CAP) {
198 pi->phy.phy_type_low = LE64_TO_CPU(pcaps->phy_type_low);
199 pi->phy.phy_type_high = LE64_TO_CPU(pcaps->phy_type_high);
200 ice_memcpy(pi->phy.link_info.module_type, &pcaps->module_type,
201 sizeof(pi->phy.link_info.module_type),
202 ICE_NONDMA_TO_NONDMA);
209 * ice_aq_get_link_topo_handle - get link topology node return status
210 * @pi: port information structure
211 * @node_type: requested node type
212 * @cd: pointer to command details structure or NULL
214 * Get link topology node return status for specified node type (0x06E0)
216 * Node type cage can be used to determine if cage is present. If AQC
217 * returns error (ENOENT), then no cage present. If no cage present, then
218 * connection type is backplane or BASE-T.
220 static enum ice_status
221 ice_aq_get_link_topo_handle(struct ice_port_info *pi, u8 node_type,
222 struct ice_sq_cd *cd)
224 struct ice_aqc_get_link_topo *cmd;
225 struct ice_aq_desc desc;
227 cmd = &desc.params.get_link_topo;
229 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_link_topo);
231 cmd->addr.node_type_ctx = (ICE_AQC_LINK_TOPO_NODE_CTX_PORT <<
232 ICE_AQC_LINK_TOPO_NODE_CTX_S);
235 cmd->addr.node_type_ctx |= (ICE_AQC_LINK_TOPO_NODE_TYPE_M & node_type);
237 return ice_aq_send_cmd(pi->hw, &desc, NULL, 0, cd);
241 * ice_is_media_cage_present
242 * @pi: port information structure
244 * Returns true if media cage is present, else false. If no cage, then
245 * media type is backplane or BASE-T.
247 static bool ice_is_media_cage_present(struct ice_port_info *pi)
249 /* Node type cage can be used to determine if cage is present. If AQC
250 * returns error (ENOENT), then no cage present. If no cage present then
251 * connection type is backplane or BASE-T.
253 return !ice_aq_get_link_topo_handle(pi,
254 ICE_AQC_LINK_TOPO_NODE_TYPE_CAGE,
259 * ice_get_media_type - Gets media type
260 * @pi: port information structure
262 static enum ice_media_type ice_get_media_type(struct ice_port_info *pi)
264 struct ice_link_status *hw_link_info;
267 return ICE_MEDIA_UNKNOWN;
269 hw_link_info = &pi->phy.link_info;
270 if (hw_link_info->phy_type_low && hw_link_info->phy_type_high)
271 /* If more than one media type is selected, report unknown */
272 return ICE_MEDIA_UNKNOWN;
274 if (hw_link_info->phy_type_low) {
275 /* 1G SGMII is a special case where some DA cable PHYs
276 * may show this as an option when it really shouldn't
277 * be since SGMII is meant to be between a MAC and a PHY
278 * in a backplane. Try to detect this case and handle it
280 if (hw_link_info->phy_type_low == ICE_PHY_TYPE_LOW_1G_SGMII &&
281 (hw_link_info->module_type[ICE_AQC_MOD_TYPE_IDENT] ==
282 ICE_AQC_MOD_TYPE_BYTE1_SFP_PLUS_CU_ACTIVE ||
283 hw_link_info->module_type[ICE_AQC_MOD_TYPE_IDENT] ==
284 ICE_AQC_MOD_TYPE_BYTE1_SFP_PLUS_CU_PASSIVE))
287 switch (hw_link_info->phy_type_low) {
288 case ICE_PHY_TYPE_LOW_1000BASE_SX:
289 case ICE_PHY_TYPE_LOW_1000BASE_LX:
290 case ICE_PHY_TYPE_LOW_10GBASE_SR:
291 case ICE_PHY_TYPE_LOW_10GBASE_LR:
292 case ICE_PHY_TYPE_LOW_10G_SFI_C2C:
293 case ICE_PHY_TYPE_LOW_25GBASE_SR:
294 case ICE_PHY_TYPE_LOW_25GBASE_LR:
295 case ICE_PHY_TYPE_LOW_40GBASE_SR4:
296 case ICE_PHY_TYPE_LOW_40GBASE_LR4:
297 case ICE_PHY_TYPE_LOW_50GBASE_SR2:
298 case ICE_PHY_TYPE_LOW_50GBASE_LR2:
299 case ICE_PHY_TYPE_LOW_50GBASE_SR:
300 case ICE_PHY_TYPE_LOW_50GBASE_FR:
301 case ICE_PHY_TYPE_LOW_50GBASE_LR:
302 case ICE_PHY_TYPE_LOW_100GBASE_SR4:
303 case ICE_PHY_TYPE_LOW_100GBASE_LR4:
304 case ICE_PHY_TYPE_LOW_100GBASE_SR2:
305 case ICE_PHY_TYPE_LOW_100GBASE_DR:
306 return ICE_MEDIA_FIBER;
307 case ICE_PHY_TYPE_LOW_10G_SFI_AOC_ACC:
308 case ICE_PHY_TYPE_LOW_25G_AUI_AOC_ACC:
309 case ICE_PHY_TYPE_LOW_40G_XLAUI_AOC_ACC:
310 case ICE_PHY_TYPE_LOW_50G_LAUI2_AOC_ACC:
311 case ICE_PHY_TYPE_LOW_50G_AUI2_AOC_ACC:
312 case ICE_PHY_TYPE_LOW_50G_AUI1_AOC_ACC:
313 case ICE_PHY_TYPE_LOW_100G_CAUI4_AOC_ACC:
314 case ICE_PHY_TYPE_LOW_100G_AUI4_AOC_ACC:
315 return ICE_MEDIA_FIBER;
316 case ICE_PHY_TYPE_LOW_100BASE_TX:
317 case ICE_PHY_TYPE_LOW_1000BASE_T:
318 case ICE_PHY_TYPE_LOW_2500BASE_T:
319 case ICE_PHY_TYPE_LOW_5GBASE_T:
320 case ICE_PHY_TYPE_LOW_10GBASE_T:
321 case ICE_PHY_TYPE_LOW_25GBASE_T:
322 return ICE_MEDIA_BASET;
323 case ICE_PHY_TYPE_LOW_10G_SFI_DA:
324 case ICE_PHY_TYPE_LOW_25GBASE_CR:
325 case ICE_PHY_TYPE_LOW_25GBASE_CR_S:
326 case ICE_PHY_TYPE_LOW_25GBASE_CR1:
327 case ICE_PHY_TYPE_LOW_40GBASE_CR4:
328 case ICE_PHY_TYPE_LOW_50GBASE_CR2:
329 case ICE_PHY_TYPE_LOW_50GBASE_CP:
330 case ICE_PHY_TYPE_LOW_100GBASE_CR4:
331 case ICE_PHY_TYPE_LOW_100GBASE_CR_PAM4:
332 case ICE_PHY_TYPE_LOW_100GBASE_CP2:
334 case ICE_PHY_TYPE_LOW_25G_AUI_C2C:
335 case ICE_PHY_TYPE_LOW_40G_XLAUI:
336 case ICE_PHY_TYPE_LOW_50G_LAUI2:
337 case ICE_PHY_TYPE_LOW_50G_AUI2:
338 case ICE_PHY_TYPE_LOW_50G_AUI1:
339 case ICE_PHY_TYPE_LOW_100G_AUI4:
340 case ICE_PHY_TYPE_LOW_100G_CAUI4:
341 if (ice_is_media_cage_present(pi))
342 return ICE_MEDIA_AUI;
344 case ICE_PHY_TYPE_LOW_1000BASE_KX:
345 case ICE_PHY_TYPE_LOW_2500BASE_KX:
346 case ICE_PHY_TYPE_LOW_2500BASE_X:
347 case ICE_PHY_TYPE_LOW_5GBASE_KR:
348 case ICE_PHY_TYPE_LOW_10GBASE_KR_CR1:
349 case ICE_PHY_TYPE_LOW_25GBASE_KR:
350 case ICE_PHY_TYPE_LOW_25GBASE_KR1:
351 case ICE_PHY_TYPE_LOW_25GBASE_KR_S:
352 case ICE_PHY_TYPE_LOW_40GBASE_KR4:
353 case ICE_PHY_TYPE_LOW_50GBASE_KR_PAM4:
354 case ICE_PHY_TYPE_LOW_50GBASE_KR2:
355 case ICE_PHY_TYPE_LOW_100GBASE_KR4:
356 case ICE_PHY_TYPE_LOW_100GBASE_KR_PAM4:
357 return ICE_MEDIA_BACKPLANE;
360 switch (hw_link_info->phy_type_high) {
361 case ICE_PHY_TYPE_HIGH_100G_AUI2:
362 case ICE_PHY_TYPE_HIGH_100G_CAUI2:
363 if (ice_is_media_cage_present(pi))
364 return ICE_MEDIA_AUI;
366 case ICE_PHY_TYPE_HIGH_100GBASE_KR2_PAM4:
367 return ICE_MEDIA_BACKPLANE;
368 case ICE_PHY_TYPE_HIGH_100G_CAUI2_AOC_ACC:
369 case ICE_PHY_TYPE_HIGH_100G_AUI2_AOC_ACC:
370 return ICE_MEDIA_FIBER;
373 return ICE_MEDIA_UNKNOWN;
377 * ice_aq_get_link_info
378 * @pi: port information structure
379 * @ena_lse: enable/disable LinkStatusEvent reporting
380 * @link: pointer to link status structure - optional
381 * @cd: pointer to command details structure or NULL
383 * Get Link Status (0x607). Returns the link status of the adapter.
386 ice_aq_get_link_info(struct ice_port_info *pi, bool ena_lse,
387 struct ice_link_status *link, struct ice_sq_cd *cd)
389 struct ice_aqc_get_link_status_data link_data = { 0 };
390 struct ice_aqc_get_link_status *resp;
391 struct ice_link_status *li_old, *li;
392 enum ice_media_type *hw_media_type;
393 struct ice_fc_info *hw_fc_info;
394 bool tx_pause, rx_pause;
395 struct ice_aq_desc desc;
396 enum ice_status status;
401 return ICE_ERR_PARAM;
403 li_old = &pi->phy.link_info_old;
404 hw_media_type = &pi->phy.media_type;
405 li = &pi->phy.link_info;
406 hw_fc_info = &pi->fc;
408 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_link_status);
409 cmd_flags = (ena_lse) ? ICE_AQ_LSE_ENA : ICE_AQ_LSE_DIS;
410 resp = &desc.params.get_link_status;
411 resp->cmd_flags = CPU_TO_LE16(cmd_flags);
412 resp->lport_num = pi->lport;
414 status = ice_aq_send_cmd(hw, &desc, &link_data, sizeof(link_data), cd);
416 if (status != ICE_SUCCESS)
419 /* save off old link status information */
422 /* update current link status information */
423 li->link_speed = LE16_TO_CPU(link_data.link_speed);
424 li->phy_type_low = LE64_TO_CPU(link_data.phy_type_low);
425 li->phy_type_high = LE64_TO_CPU(link_data.phy_type_high);
426 *hw_media_type = ice_get_media_type(pi);
427 li->link_info = link_data.link_info;
428 li->an_info = link_data.an_info;
429 li->ext_info = link_data.ext_info;
430 li->max_frame_size = LE16_TO_CPU(link_data.max_frame_size);
431 li->fec_info = link_data.cfg & ICE_AQ_FEC_MASK;
432 li->topo_media_conflict = link_data.topo_media_conflict;
433 li->pacing = link_data.cfg & (ICE_AQ_CFG_PACING_M |
434 ICE_AQ_CFG_PACING_TYPE_M);
437 tx_pause = !!(link_data.an_info & ICE_AQ_LINK_PAUSE_TX);
438 rx_pause = !!(link_data.an_info & ICE_AQ_LINK_PAUSE_RX);
439 if (tx_pause && rx_pause)
440 hw_fc_info->current_mode = ICE_FC_FULL;
442 hw_fc_info->current_mode = ICE_FC_TX_PAUSE;
444 hw_fc_info->current_mode = ICE_FC_RX_PAUSE;
446 hw_fc_info->current_mode = ICE_FC_NONE;
448 li->lse_ena = !!(resp->cmd_flags & CPU_TO_LE16(ICE_AQ_LSE_IS_ENABLED));
450 ice_debug(hw, ICE_DBG_LINK, "get link info\n");
451 ice_debug(hw, ICE_DBG_LINK, " link_speed = 0x%x\n", li->link_speed);
452 ice_debug(hw, ICE_DBG_LINK, " phy_type_low = 0x%llx\n",
453 (unsigned long long)li->phy_type_low);
454 ice_debug(hw, ICE_DBG_LINK, " phy_type_high = 0x%llx\n",
455 (unsigned long long)li->phy_type_high);
456 ice_debug(hw, ICE_DBG_LINK, " media_type = 0x%x\n", *hw_media_type);
457 ice_debug(hw, ICE_DBG_LINK, " link_info = 0x%x\n", li->link_info);
458 ice_debug(hw, ICE_DBG_LINK, " an_info = 0x%x\n", li->an_info);
459 ice_debug(hw, ICE_DBG_LINK, " ext_info = 0x%x\n", li->ext_info);
460 ice_debug(hw, ICE_DBG_LINK, " fec_info = 0x%x\n", li->fec_info);
461 ice_debug(hw, ICE_DBG_LINK, " lse_ena = 0x%x\n", li->lse_ena);
462 ice_debug(hw, ICE_DBG_LINK, " max_frame = 0x%x\n",
464 ice_debug(hw, ICE_DBG_LINK, " pacing = 0x%x\n", li->pacing);
466 /* save link status information */
470 /* flag cleared so calling functions don't call AQ again */
471 pi->phy.get_link_info = false;
477 * ice_fill_tx_timer_and_fc_thresh
478 * @hw: pointer to the HW struct
479 * @cmd: pointer to MAC cfg structure
481 * Add Tx timer and FC refresh threshold info to Set MAC Config AQ command
485 ice_fill_tx_timer_and_fc_thresh(struct ice_hw *hw,
486 struct ice_aqc_set_mac_cfg *cmd)
488 u16 fc_thres_val, tx_timer_val;
491 /* We read back the transmit timer and fc threshold value of
492 * LFC. Thus, we will use index =
493 * PRTMAC_HSEC_CTL_TX_PAUSE_QUANTA_MAX_INDEX.
495 * Also, because we are opearating on transmit timer and fc
496 * threshold of LFC, we don't turn on any bit in tx_tmr_priority
498 #define IDX_OF_LFC PRTMAC_HSEC_CTL_TX_PAUSE_QUANTA_MAX_INDEX
500 /* Retrieve the transmit timer */
501 val = rd32(hw, PRTMAC_HSEC_CTL_TX_PAUSE_QUANTA(IDX_OF_LFC));
503 PRTMAC_HSEC_CTL_TX_PAUSE_QUANTA_HSEC_CTL_TX_PAUSE_QUANTA_M;
504 cmd->tx_tmr_value = CPU_TO_LE16(tx_timer_val);
506 /* Retrieve the fc threshold */
507 val = rd32(hw, PRTMAC_HSEC_CTL_TX_PAUSE_REFRESH_TIMER(IDX_OF_LFC));
508 fc_thres_val = val & PRTMAC_HSEC_CTL_TX_PAUSE_REFRESH_TIMER_M;
510 cmd->fc_refresh_threshold = CPU_TO_LE16(fc_thres_val);
515 * @hw: pointer to the HW struct
516 * @max_frame_size: Maximum Frame Size to be supported
517 * @cd: pointer to command details structure or NULL
519 * Set MAC configuration (0x0603)
522 ice_aq_set_mac_cfg(struct ice_hw *hw, u16 max_frame_size, struct ice_sq_cd *cd)
524 struct ice_aqc_set_mac_cfg *cmd;
525 struct ice_aq_desc desc;
527 cmd = &desc.params.set_mac_cfg;
529 if (max_frame_size == 0)
530 return ICE_ERR_PARAM;
532 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_mac_cfg);
534 cmd->max_frame_size = CPU_TO_LE16(max_frame_size);
536 ice_fill_tx_timer_and_fc_thresh(hw, cmd);
538 return ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
542 * ice_init_fltr_mgmt_struct - initializes filter management list and locks
543 * @hw: pointer to the HW struct
545 enum ice_status ice_init_fltr_mgmt_struct(struct ice_hw *hw)
547 struct ice_switch_info *sw;
548 enum ice_status status;
550 hw->switch_info = (struct ice_switch_info *)
551 ice_malloc(hw, sizeof(*hw->switch_info));
553 sw = hw->switch_info;
556 return ICE_ERR_NO_MEMORY;
558 INIT_LIST_HEAD(&sw->vsi_list_map_head);
559 sw->prof_res_bm_init = 0;
561 status = ice_init_def_sw_recp(hw, &hw->switch_info->recp_list);
563 ice_free(hw, hw->switch_info);
570 * ice_cleanup_fltr_mgmt_single - clears single filter mngt struct
571 * @hw: pointer to the HW struct
572 * @sw: pointer to switch info struct for which function clears filters
575 ice_cleanup_fltr_mgmt_single(struct ice_hw *hw, struct ice_switch_info *sw)
577 struct ice_vsi_list_map_info *v_pos_map;
578 struct ice_vsi_list_map_info *v_tmp_map;
579 struct ice_sw_recipe *recps;
585 LIST_FOR_EACH_ENTRY_SAFE(v_pos_map, v_tmp_map, &sw->vsi_list_map_head,
586 ice_vsi_list_map_info, list_entry) {
587 LIST_DEL(&v_pos_map->list_entry);
588 ice_free(hw, v_pos_map);
590 recps = sw->recp_list;
591 for (i = 0; i < ICE_MAX_NUM_RECIPES; i++) {
592 struct ice_recp_grp_entry *rg_entry, *tmprg_entry;
594 recps[i].root_rid = i;
595 LIST_FOR_EACH_ENTRY_SAFE(rg_entry, tmprg_entry,
596 &recps[i].rg_list, ice_recp_grp_entry,
598 LIST_DEL(&rg_entry->l_entry);
599 ice_free(hw, rg_entry);
602 if (recps[i].adv_rule) {
603 struct ice_adv_fltr_mgmt_list_entry *tmp_entry;
604 struct ice_adv_fltr_mgmt_list_entry *lst_itr;
606 ice_destroy_lock(&recps[i].filt_rule_lock);
607 LIST_FOR_EACH_ENTRY_SAFE(lst_itr, tmp_entry,
608 &recps[i].filt_rules,
609 ice_adv_fltr_mgmt_list_entry,
611 LIST_DEL(&lst_itr->list_entry);
612 ice_free(hw, lst_itr->lkups);
613 ice_free(hw, lst_itr);
616 struct ice_fltr_mgmt_list_entry *lst_itr, *tmp_entry;
618 ice_destroy_lock(&recps[i].filt_rule_lock);
619 LIST_FOR_EACH_ENTRY_SAFE(lst_itr, tmp_entry,
620 &recps[i].filt_rules,
621 ice_fltr_mgmt_list_entry,
623 LIST_DEL(&lst_itr->list_entry);
624 ice_free(hw, lst_itr);
627 if (recps[i].root_buf)
628 ice_free(hw, recps[i].root_buf);
630 ice_rm_sw_replay_rule_info(hw, sw);
631 ice_free(hw, sw->recp_list);
636 * ice_cleanup_all_fltr_mgmt - cleanup filter management list and locks
637 * @hw: pointer to the HW struct
639 void ice_cleanup_fltr_mgmt_struct(struct ice_hw *hw)
641 ice_cleanup_fltr_mgmt_single(hw, hw->switch_info);
645 * ice_get_itr_intrl_gran
646 * @hw: pointer to the HW struct
648 * Determines the ITR/INTRL granularities based on the maximum aggregate
649 * bandwidth according to the device's configuration during power-on.
651 static void ice_get_itr_intrl_gran(struct ice_hw *hw)
653 u8 max_agg_bw = (rd32(hw, GL_PWR_MODE_CTL) &
654 GL_PWR_MODE_CTL_CAR_MAX_BW_M) >>
655 GL_PWR_MODE_CTL_CAR_MAX_BW_S;
657 switch (max_agg_bw) {
658 case ICE_MAX_AGG_BW_200G:
659 case ICE_MAX_AGG_BW_100G:
660 case ICE_MAX_AGG_BW_50G:
661 hw->itr_gran = ICE_ITR_GRAN_ABOVE_25;
662 hw->intrl_gran = ICE_INTRL_GRAN_ABOVE_25;
664 case ICE_MAX_AGG_BW_25G:
665 hw->itr_gran = ICE_ITR_GRAN_MAX_25;
666 hw->intrl_gran = ICE_INTRL_GRAN_MAX_25;
672 * ice_print_rollback_msg - print FW rollback message
673 * @hw: pointer to the hardware structure
675 void ice_print_rollback_msg(struct ice_hw *hw)
677 char nvm_str[ICE_NVM_VER_LEN] = { 0 };
678 struct ice_nvm_info *nvm = &hw->nvm;
679 struct ice_orom_info *orom;
683 SNPRINTF(nvm_str, sizeof(nvm_str), "%x.%02x 0x%x %d.%d.%d",
684 nvm->major_ver, nvm->minor_ver, nvm->eetrack, orom->major,
685 orom->build, orom->patch);
687 "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",
688 nvm_str, hw->fw_maj_ver, hw->fw_min_ver);
692 * ice_init_hw - main hardware initialization routine
693 * @hw: pointer to the hardware structure
695 enum ice_status ice_init_hw(struct ice_hw *hw)
697 struct ice_aqc_get_phy_caps_data *pcaps;
698 enum ice_status status;
702 ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__);
704 /* Set MAC type based on DeviceID */
705 status = ice_set_mac_type(hw);
709 hw->pf_id = (u8)(rd32(hw, PF_FUNC_RID) &
710 PF_FUNC_RID_FUNCTION_NUMBER_M) >>
711 PF_FUNC_RID_FUNCTION_NUMBER_S;
713 status = ice_reset(hw, ICE_RESET_PFR);
717 ice_get_itr_intrl_gran(hw);
719 status = ice_create_all_ctrlq(hw);
721 goto err_unroll_cqinit;
723 status = ice_init_nvm(hw);
725 goto err_unroll_cqinit;
727 if (ice_get_fw_mode(hw) == ICE_FW_MODE_ROLLBACK)
728 ice_print_rollback_msg(hw);
730 status = ice_clear_pf_cfg(hw);
732 goto err_unroll_cqinit;
734 /* Set bit to enable Flow Director filters */
735 wr32(hw, PFQF_FD_ENA, PFQF_FD_ENA_FD_ENA_M);
736 INIT_LIST_HEAD(&hw->fdir_list_head);
738 ice_clear_pxe_mode(hw);
740 status = ice_get_caps(hw);
742 goto err_unroll_cqinit;
744 hw->port_info = (struct ice_port_info *)
745 ice_malloc(hw, sizeof(*hw->port_info));
746 if (!hw->port_info) {
747 status = ICE_ERR_NO_MEMORY;
748 goto err_unroll_cqinit;
751 /* set the back pointer to HW */
752 hw->port_info->hw = hw;
754 /* Initialize port_info struct with switch configuration data */
755 status = ice_get_initial_sw_cfg(hw);
757 goto err_unroll_alloc;
760 /* Query the allocated resources for Tx scheduler */
761 status = ice_sched_query_res_alloc(hw);
763 ice_debug(hw, ICE_DBG_SCHED,
764 "Failed to get scheduler allocated resources\n");
765 goto err_unroll_alloc;
767 ice_sched_get_psm_clk_freq(hw);
769 /* Initialize port_info struct with scheduler data */
770 status = ice_sched_init_port(hw->port_info);
772 goto err_unroll_sched;
774 pcaps = (struct ice_aqc_get_phy_caps_data *)
775 ice_malloc(hw, sizeof(*pcaps));
777 status = ICE_ERR_NO_MEMORY;
778 goto err_unroll_sched;
781 /* Initialize port_info struct with PHY capabilities */
782 status = ice_aq_get_phy_caps(hw->port_info, false,
783 ICE_AQC_REPORT_TOPO_CAP, pcaps, NULL);
786 goto err_unroll_sched;
788 /* Initialize port_info struct with link information */
789 status = ice_aq_get_link_info(hw->port_info, false, NULL, NULL);
791 goto err_unroll_sched;
792 /* need a valid SW entry point to build a Tx tree */
793 if (!hw->sw_entry_point_layer) {
794 ice_debug(hw, ICE_DBG_SCHED, "invalid sw entry point\n");
795 status = ICE_ERR_CFG;
796 goto err_unroll_sched;
798 INIT_LIST_HEAD(&hw->agg_list);
799 /* Initialize max burst size */
800 if (!hw->max_burst_size)
801 ice_cfg_rl_burst_size(hw, ICE_SCHED_DFLT_BURST_SIZE);
802 status = ice_init_fltr_mgmt_struct(hw);
804 goto err_unroll_sched;
806 /* Get MAC information */
807 /* A single port can report up to two (LAN and WoL) addresses */
808 mac_buf = ice_calloc(hw, 2,
809 sizeof(struct ice_aqc_manage_mac_read_resp));
810 mac_buf_len = 2 * sizeof(struct ice_aqc_manage_mac_read_resp);
813 status = ICE_ERR_NO_MEMORY;
814 goto err_unroll_fltr_mgmt_struct;
817 status = ice_aq_manage_mac_read(hw, mac_buf, mac_buf_len, NULL);
818 ice_free(hw, mac_buf);
821 goto err_unroll_fltr_mgmt_struct;
822 /* enable jumbo frame support at MAC level */
823 status = ice_aq_set_mac_cfg(hw, ICE_AQ_SET_MAC_FRAME_SIZE_MAX, NULL);
825 goto err_unroll_fltr_mgmt_struct;
826 /* Obtain counter base index which would be used by flow director */
827 status = ice_alloc_fd_res_cntr(hw, &hw->fd_ctr_base);
829 goto err_unroll_fltr_mgmt_struct;
830 status = ice_init_hw_tbls(hw);
832 goto err_unroll_fltr_mgmt_struct;
833 ice_init_lock(&hw->tnl_lock);
836 err_unroll_fltr_mgmt_struct:
837 ice_cleanup_fltr_mgmt_struct(hw);
839 ice_sched_cleanup_all(hw);
841 ice_free(hw, hw->port_info);
842 hw->port_info = NULL;
844 ice_destroy_all_ctrlq(hw);
849 * ice_deinit_hw - unroll initialization operations done by ice_init_hw
850 * @hw: pointer to the hardware structure
852 * This should be called only during nominal operation, not as a result of
853 * ice_init_hw() failing since ice_init_hw() will take care of unrolling
854 * applicable initializations if it fails for any reason.
856 void ice_deinit_hw(struct ice_hw *hw)
858 ice_free_fd_res_cntr(hw, hw->fd_ctr_base);
859 ice_cleanup_fltr_mgmt_struct(hw);
861 ice_sched_cleanup_all(hw);
862 ice_sched_clear_agg(hw);
864 ice_free_hw_tbls(hw);
865 ice_destroy_lock(&hw->tnl_lock);
868 ice_free(hw, hw->port_info);
869 hw->port_info = NULL;
872 ice_destroy_all_ctrlq(hw);
874 /* Clear VSI contexts if not already cleared */
875 ice_clear_all_vsi_ctx(hw);
879 * ice_check_reset - Check to see if a global reset is complete
880 * @hw: pointer to the hardware structure
882 enum ice_status ice_check_reset(struct ice_hw *hw)
884 u32 cnt, reg = 0, grst_timeout, uld_mask;
886 /* Poll for Device Active state in case a recent CORER, GLOBR,
887 * or EMPR has occurred. The grst delay value is in 100ms units.
888 * Add 1sec for outstanding AQ commands that can take a long time.
890 grst_timeout = ((rd32(hw, GLGEN_RSTCTL) & GLGEN_RSTCTL_GRSTDEL_M) >>
891 GLGEN_RSTCTL_GRSTDEL_S) + 10;
893 for (cnt = 0; cnt < grst_timeout; cnt++) {
894 ice_msec_delay(100, true);
895 reg = rd32(hw, GLGEN_RSTAT);
896 if (!(reg & GLGEN_RSTAT_DEVSTATE_M))
900 if (cnt == grst_timeout) {
901 ice_debug(hw, ICE_DBG_INIT,
902 "Global reset polling failed to complete.\n");
903 return ICE_ERR_RESET_FAILED;
906 #define ICE_RESET_DONE_MASK (GLNVM_ULD_PCIER_DONE_M |\
907 GLNVM_ULD_PCIER_DONE_1_M |\
908 GLNVM_ULD_CORER_DONE_M |\
909 GLNVM_ULD_GLOBR_DONE_M |\
910 GLNVM_ULD_POR_DONE_M |\
911 GLNVM_ULD_POR_DONE_1_M |\
912 GLNVM_ULD_PCIER_DONE_2_M)
914 uld_mask = ICE_RESET_DONE_MASK;
916 /* Device is Active; check Global Reset processes are done */
917 for (cnt = 0; cnt < ICE_PF_RESET_WAIT_COUNT; cnt++) {
918 reg = rd32(hw, GLNVM_ULD) & uld_mask;
919 if (reg == uld_mask) {
920 ice_debug(hw, ICE_DBG_INIT,
921 "Global reset processes done. %d\n", cnt);
924 ice_msec_delay(10, true);
927 if (cnt == ICE_PF_RESET_WAIT_COUNT) {
928 ice_debug(hw, ICE_DBG_INIT,
929 "Wait for Reset Done timed out. GLNVM_ULD = 0x%x\n",
931 return ICE_ERR_RESET_FAILED;
938 * ice_pf_reset - Reset the PF
939 * @hw: pointer to the hardware structure
941 * If a global reset has been triggered, this function checks
942 * for its completion and then issues the PF reset
944 static enum ice_status ice_pf_reset(struct ice_hw *hw)
948 /* If at function entry a global reset was already in progress, i.e.
949 * state is not 'device active' or any of the reset done bits are not
950 * set in GLNVM_ULD, there is no need for a PF Reset; poll until the
951 * global reset is done.
953 if ((rd32(hw, GLGEN_RSTAT) & GLGEN_RSTAT_DEVSTATE_M) ||
954 (rd32(hw, GLNVM_ULD) & ICE_RESET_DONE_MASK) ^ ICE_RESET_DONE_MASK) {
955 /* poll on global reset currently in progress until done */
956 if (ice_check_reset(hw))
957 return ICE_ERR_RESET_FAILED;
963 reg = rd32(hw, PFGEN_CTRL);
965 wr32(hw, PFGEN_CTRL, (reg | PFGEN_CTRL_PFSWR_M));
967 /* Wait for the PFR to complete. The wait time is the global config lock
968 * timeout plus the PFR timeout which will account for a possible reset
969 * that is occurring during a download package operation.
971 for (cnt = 0; cnt < ICE_GLOBAL_CFG_LOCK_TIMEOUT +
972 ICE_PF_RESET_WAIT_COUNT; cnt++) {
973 reg = rd32(hw, PFGEN_CTRL);
974 if (!(reg & PFGEN_CTRL_PFSWR_M))
977 ice_msec_delay(1, true);
980 if (cnt == ICE_PF_RESET_WAIT_COUNT) {
981 ice_debug(hw, ICE_DBG_INIT,
982 "PF reset polling failed to complete.\n");
983 return ICE_ERR_RESET_FAILED;
990 * ice_reset - Perform different types of reset
991 * @hw: pointer to the hardware structure
992 * @req: reset request
994 * This function triggers a reset as specified by the req parameter.
997 * If anything other than a PF reset is triggered, PXE mode is restored.
998 * This has to be cleared using ice_clear_pxe_mode again, once the AQ
999 * interface has been restored in the rebuild flow.
1001 enum ice_status ice_reset(struct ice_hw *hw, enum ice_reset_req req)
1007 return ice_pf_reset(hw);
1008 case ICE_RESET_CORER:
1009 ice_debug(hw, ICE_DBG_INIT, "CoreR requested\n");
1010 val = GLGEN_RTRIG_CORER_M;
1012 case ICE_RESET_GLOBR:
1013 ice_debug(hw, ICE_DBG_INIT, "GlobalR requested\n");
1014 val = GLGEN_RTRIG_GLOBR_M;
1017 return ICE_ERR_PARAM;
1020 val |= rd32(hw, GLGEN_RTRIG);
1021 wr32(hw, GLGEN_RTRIG, val);
1024 /* wait for the FW to be ready */
1025 return ice_check_reset(hw);
1029 * ice_copy_rxq_ctx_to_hw
1030 * @hw: pointer to the hardware structure
1031 * @ice_rxq_ctx: pointer to the rxq context
1032 * @rxq_index: the index of the Rx queue
1034 * Copies rxq context from dense structure to HW register space
1036 static enum ice_status
1037 ice_copy_rxq_ctx_to_hw(struct ice_hw *hw, u8 *ice_rxq_ctx, u32 rxq_index)
1042 return ICE_ERR_BAD_PTR;
1044 if (rxq_index > QRX_CTRL_MAX_INDEX)
1045 return ICE_ERR_PARAM;
1047 /* Copy each dword separately to HW */
1048 for (i = 0; i < ICE_RXQ_CTX_SIZE_DWORDS; i++) {
1049 wr32(hw, QRX_CONTEXT(i, rxq_index),
1050 *((u32 *)(ice_rxq_ctx + (i * sizeof(u32)))));
1052 ice_debug(hw, ICE_DBG_QCTX, "qrxdata[%d]: %08X\n", i,
1053 *((u32 *)(ice_rxq_ctx + (i * sizeof(u32)))));
1059 /* LAN Rx Queue Context */
1060 static const struct ice_ctx_ele ice_rlan_ctx_info[] = {
1061 /* Field Width LSB */
1062 ICE_CTX_STORE(ice_rlan_ctx, head, 13, 0),
1063 ICE_CTX_STORE(ice_rlan_ctx, cpuid, 8, 13),
1064 ICE_CTX_STORE(ice_rlan_ctx, base, 57, 32),
1065 ICE_CTX_STORE(ice_rlan_ctx, qlen, 13, 89),
1066 ICE_CTX_STORE(ice_rlan_ctx, dbuf, 7, 102),
1067 ICE_CTX_STORE(ice_rlan_ctx, hbuf, 5, 109),
1068 ICE_CTX_STORE(ice_rlan_ctx, dtype, 2, 114),
1069 ICE_CTX_STORE(ice_rlan_ctx, dsize, 1, 116),
1070 ICE_CTX_STORE(ice_rlan_ctx, crcstrip, 1, 117),
1071 ICE_CTX_STORE(ice_rlan_ctx, l2tsel, 1, 119),
1072 ICE_CTX_STORE(ice_rlan_ctx, hsplit_0, 4, 120),
1073 ICE_CTX_STORE(ice_rlan_ctx, hsplit_1, 2, 124),
1074 ICE_CTX_STORE(ice_rlan_ctx, showiv, 1, 127),
1075 ICE_CTX_STORE(ice_rlan_ctx, rxmax, 14, 174),
1076 ICE_CTX_STORE(ice_rlan_ctx, tphrdesc_ena, 1, 193),
1077 ICE_CTX_STORE(ice_rlan_ctx, tphwdesc_ena, 1, 194),
1078 ICE_CTX_STORE(ice_rlan_ctx, tphdata_ena, 1, 195),
1079 ICE_CTX_STORE(ice_rlan_ctx, tphhead_ena, 1, 196),
1080 ICE_CTX_STORE(ice_rlan_ctx, lrxqthresh, 3, 198),
1081 ICE_CTX_STORE(ice_rlan_ctx, prefena, 1, 201),
1087 * @hw: pointer to the hardware structure
1088 * @rlan_ctx: pointer to the rxq context
1089 * @rxq_index: the index of the Rx queue
1091 * Converts rxq context from sparse to dense structure and then writes
1092 * it to HW register space and enables the hardware to prefetch descriptors
1093 * instead of only fetching them on demand
1096 ice_write_rxq_ctx(struct ice_hw *hw, struct ice_rlan_ctx *rlan_ctx,
1099 u8 ctx_buf[ICE_RXQ_CTX_SZ] = { 0 };
1102 return ICE_ERR_BAD_PTR;
1104 rlan_ctx->prefena = 1;
1106 ice_set_ctx(hw, (u8 *)rlan_ctx, ctx_buf, ice_rlan_ctx_info);
1107 return ice_copy_rxq_ctx_to_hw(hw, ctx_buf, rxq_index);
1112 * @hw: pointer to the hardware structure
1113 * @rxq_index: the index of the Rx queue to clear
1115 * Clears rxq context in HW register space
1117 enum ice_status ice_clear_rxq_ctx(struct ice_hw *hw, u32 rxq_index)
1121 if (rxq_index > QRX_CTRL_MAX_INDEX)
1122 return ICE_ERR_PARAM;
1124 /* Clear each dword register separately */
1125 for (i = 0; i < ICE_RXQ_CTX_SIZE_DWORDS; i++)
1126 wr32(hw, QRX_CONTEXT(i, rxq_index), 0);
1131 /* LAN Tx Queue Context */
1132 const struct ice_ctx_ele ice_tlan_ctx_info[] = {
1133 /* Field Width LSB */
1134 ICE_CTX_STORE(ice_tlan_ctx, base, 57, 0),
1135 ICE_CTX_STORE(ice_tlan_ctx, port_num, 3, 57),
1136 ICE_CTX_STORE(ice_tlan_ctx, cgd_num, 5, 60),
1137 ICE_CTX_STORE(ice_tlan_ctx, pf_num, 3, 65),
1138 ICE_CTX_STORE(ice_tlan_ctx, vmvf_num, 10, 68),
1139 ICE_CTX_STORE(ice_tlan_ctx, vmvf_type, 2, 78),
1140 ICE_CTX_STORE(ice_tlan_ctx, src_vsi, 10, 80),
1141 ICE_CTX_STORE(ice_tlan_ctx, tsyn_ena, 1, 90),
1142 ICE_CTX_STORE(ice_tlan_ctx, internal_usage_flag, 1, 91),
1143 ICE_CTX_STORE(ice_tlan_ctx, alt_vlan, 1, 92),
1144 ICE_CTX_STORE(ice_tlan_ctx, cpuid, 8, 93),
1145 ICE_CTX_STORE(ice_tlan_ctx, wb_mode, 1, 101),
1146 ICE_CTX_STORE(ice_tlan_ctx, tphrd_desc, 1, 102),
1147 ICE_CTX_STORE(ice_tlan_ctx, tphrd, 1, 103),
1148 ICE_CTX_STORE(ice_tlan_ctx, tphwr_desc, 1, 104),
1149 ICE_CTX_STORE(ice_tlan_ctx, cmpq_id, 9, 105),
1150 ICE_CTX_STORE(ice_tlan_ctx, qnum_in_func, 14, 114),
1151 ICE_CTX_STORE(ice_tlan_ctx, itr_notification_mode, 1, 128),
1152 ICE_CTX_STORE(ice_tlan_ctx, adjust_prof_id, 6, 129),
1153 ICE_CTX_STORE(ice_tlan_ctx, qlen, 13, 135),
1154 ICE_CTX_STORE(ice_tlan_ctx, quanta_prof_idx, 4, 148),
1155 ICE_CTX_STORE(ice_tlan_ctx, tso_ena, 1, 152),
1156 ICE_CTX_STORE(ice_tlan_ctx, tso_qnum, 11, 153),
1157 ICE_CTX_STORE(ice_tlan_ctx, legacy_int, 1, 164),
1158 ICE_CTX_STORE(ice_tlan_ctx, drop_ena, 1, 165),
1159 ICE_CTX_STORE(ice_tlan_ctx, cache_prof_idx, 2, 166),
1160 ICE_CTX_STORE(ice_tlan_ctx, pkt_shaper_prof_idx, 3, 168),
1161 ICE_CTX_STORE(ice_tlan_ctx, int_q_state, 122, 171),
1166 * ice_copy_tx_cmpltnq_ctx_to_hw
1167 * @hw: pointer to the hardware structure
1168 * @ice_tx_cmpltnq_ctx: pointer to the Tx completion queue context
1169 * @tx_cmpltnq_index: the index of the completion queue
1171 * Copies Tx completion queue context from dense structure to HW register space
1173 static enum ice_status
1174 ice_copy_tx_cmpltnq_ctx_to_hw(struct ice_hw *hw, u8 *ice_tx_cmpltnq_ctx,
1175 u32 tx_cmpltnq_index)
1179 if (!ice_tx_cmpltnq_ctx)
1180 return ICE_ERR_BAD_PTR;
1182 if (tx_cmpltnq_index > GLTCLAN_CQ_CNTX0_MAX_INDEX)
1183 return ICE_ERR_PARAM;
1185 /* Copy each dword separately to HW */
1186 for (i = 0; i < ICE_TX_CMPLTNQ_CTX_SIZE_DWORDS; i++) {
1187 wr32(hw, GLTCLAN_CQ_CNTX(i, tx_cmpltnq_index),
1188 *((u32 *)(ice_tx_cmpltnq_ctx + (i * sizeof(u32)))));
1190 ice_debug(hw, ICE_DBG_QCTX, "cmpltnqdata[%d]: %08X\n", i,
1191 *((u32 *)(ice_tx_cmpltnq_ctx + (i * sizeof(u32)))));
1197 /* LAN Tx Completion Queue Context */
1198 static const struct ice_ctx_ele ice_tx_cmpltnq_ctx_info[] = {
1199 /* Field Width LSB */
1200 ICE_CTX_STORE(ice_tx_cmpltnq_ctx, base, 57, 0),
1201 ICE_CTX_STORE(ice_tx_cmpltnq_ctx, q_len, 18, 64),
1202 ICE_CTX_STORE(ice_tx_cmpltnq_ctx, generation, 1, 96),
1203 ICE_CTX_STORE(ice_tx_cmpltnq_ctx, wrt_ptr, 22, 97),
1204 ICE_CTX_STORE(ice_tx_cmpltnq_ctx, pf_num, 3, 128),
1205 ICE_CTX_STORE(ice_tx_cmpltnq_ctx, vmvf_num, 10, 131),
1206 ICE_CTX_STORE(ice_tx_cmpltnq_ctx, vmvf_type, 2, 141),
1207 ICE_CTX_STORE(ice_tx_cmpltnq_ctx, tph_desc_wr, 1, 160),
1208 ICE_CTX_STORE(ice_tx_cmpltnq_ctx, cpuid, 8, 161),
1209 ICE_CTX_STORE(ice_tx_cmpltnq_ctx, cmpltn_cache, 512, 192),
1214 * ice_write_tx_cmpltnq_ctx
1215 * @hw: pointer to the hardware structure
1216 * @tx_cmpltnq_ctx: pointer to the completion queue context
1217 * @tx_cmpltnq_index: the index of the completion queue
1219 * Converts completion queue context from sparse to dense structure and then
1220 * writes it to HW register space
1223 ice_write_tx_cmpltnq_ctx(struct ice_hw *hw,
1224 struct ice_tx_cmpltnq_ctx *tx_cmpltnq_ctx,
1225 u32 tx_cmpltnq_index)
1227 u8 ctx_buf[ICE_TX_CMPLTNQ_CTX_SIZE_DWORDS * sizeof(u32)] = { 0 };
1229 ice_set_ctx(hw, (u8 *)tx_cmpltnq_ctx, ctx_buf, ice_tx_cmpltnq_ctx_info);
1230 return ice_copy_tx_cmpltnq_ctx_to_hw(hw, ctx_buf, tx_cmpltnq_index);
1234 * ice_clear_tx_cmpltnq_ctx
1235 * @hw: pointer to the hardware structure
1236 * @tx_cmpltnq_index: the index of the completion queue to clear
1238 * Clears Tx completion queue context in HW register space
1241 ice_clear_tx_cmpltnq_ctx(struct ice_hw *hw, u32 tx_cmpltnq_index)
1245 if (tx_cmpltnq_index > GLTCLAN_CQ_CNTX0_MAX_INDEX)
1246 return ICE_ERR_PARAM;
1248 /* Clear each dword register separately */
1249 for (i = 0; i < ICE_TX_CMPLTNQ_CTX_SIZE_DWORDS; i++)
1250 wr32(hw, GLTCLAN_CQ_CNTX(i, tx_cmpltnq_index), 0);
1256 * ice_copy_tx_drbell_q_ctx_to_hw
1257 * @hw: pointer to the hardware structure
1258 * @ice_tx_drbell_q_ctx: pointer to the doorbell queue context
1259 * @tx_drbell_q_index: the index of the doorbell queue
1261 * Copies doorbell queue context from dense structure to HW register space
1263 static enum ice_status
1264 ice_copy_tx_drbell_q_ctx_to_hw(struct ice_hw *hw, u8 *ice_tx_drbell_q_ctx,
1265 u32 tx_drbell_q_index)
1269 if (!ice_tx_drbell_q_ctx)
1270 return ICE_ERR_BAD_PTR;
1272 if (tx_drbell_q_index > QTX_COMM_DBLQ_DBELL_MAX_INDEX)
1273 return ICE_ERR_PARAM;
1275 /* Copy each dword separately to HW */
1276 for (i = 0; i < ICE_TX_DRBELL_Q_CTX_SIZE_DWORDS; i++) {
1277 wr32(hw, QTX_COMM_DBLQ_CNTX(i, tx_drbell_q_index),
1278 *((u32 *)(ice_tx_drbell_q_ctx + (i * sizeof(u32)))));
1280 ice_debug(hw, ICE_DBG_QCTX, "tx_drbell_qdata[%d]: %08X\n", i,
1281 *((u32 *)(ice_tx_drbell_q_ctx + (i * sizeof(u32)))));
1287 /* LAN Tx Doorbell Queue Context info */
1288 static const struct ice_ctx_ele ice_tx_drbell_q_ctx_info[] = {
1289 /* Field Width LSB */
1290 ICE_CTX_STORE(ice_tx_drbell_q_ctx, base, 57, 0),
1291 ICE_CTX_STORE(ice_tx_drbell_q_ctx, ring_len, 13, 64),
1292 ICE_CTX_STORE(ice_tx_drbell_q_ctx, pf_num, 3, 80),
1293 ICE_CTX_STORE(ice_tx_drbell_q_ctx, vf_num, 8, 84),
1294 ICE_CTX_STORE(ice_tx_drbell_q_ctx, vmvf_type, 2, 94),
1295 ICE_CTX_STORE(ice_tx_drbell_q_ctx, cpuid, 8, 96),
1296 ICE_CTX_STORE(ice_tx_drbell_q_ctx, tph_desc_rd, 1, 104),
1297 ICE_CTX_STORE(ice_tx_drbell_q_ctx, tph_desc_wr, 1, 108),
1298 ICE_CTX_STORE(ice_tx_drbell_q_ctx, db_q_en, 1, 112),
1299 ICE_CTX_STORE(ice_tx_drbell_q_ctx, rd_head, 13, 128),
1300 ICE_CTX_STORE(ice_tx_drbell_q_ctx, rd_tail, 13, 144),
1305 * ice_write_tx_drbell_q_ctx
1306 * @hw: pointer to the hardware structure
1307 * @tx_drbell_q_ctx: pointer to the doorbell queue context
1308 * @tx_drbell_q_index: the index of the doorbell queue
1310 * Converts doorbell queue context from sparse to dense structure and then
1311 * writes it to HW register space
1314 ice_write_tx_drbell_q_ctx(struct ice_hw *hw,
1315 struct ice_tx_drbell_q_ctx *tx_drbell_q_ctx,
1316 u32 tx_drbell_q_index)
1318 u8 ctx_buf[ICE_TX_DRBELL_Q_CTX_SIZE_DWORDS * sizeof(u32)] = { 0 };
1320 ice_set_ctx(hw, (u8 *)tx_drbell_q_ctx, ctx_buf,
1321 ice_tx_drbell_q_ctx_info);
1322 return ice_copy_tx_drbell_q_ctx_to_hw(hw, ctx_buf, tx_drbell_q_index);
1326 * ice_clear_tx_drbell_q_ctx
1327 * @hw: pointer to the hardware structure
1328 * @tx_drbell_q_index: the index of the doorbell queue to clear
1330 * Clears doorbell queue context in HW register space
1333 ice_clear_tx_drbell_q_ctx(struct ice_hw *hw, u32 tx_drbell_q_index)
1337 if (tx_drbell_q_index > QTX_COMM_DBLQ_DBELL_MAX_INDEX)
1338 return ICE_ERR_PARAM;
1340 /* Clear each dword register separately */
1341 for (i = 0; i < ICE_TX_DRBELL_Q_CTX_SIZE_DWORDS; i++)
1342 wr32(hw, QTX_COMM_DBLQ_CNTX(i, tx_drbell_q_index), 0);
1347 /* FW Admin Queue command wrappers */
1350 * ice_aq_send_cmd - send FW Admin Queue command to FW Admin Queue
1351 * @hw: pointer to the HW struct
1352 * @desc: descriptor describing the command
1353 * @buf: buffer to use for indirect commands (NULL for direct commands)
1354 * @buf_size: size of buffer for indirect commands (0 for direct commands)
1355 * @cd: pointer to command details structure
1357 * Helper function to send FW Admin Queue commands to the FW Admin Queue.
1360 ice_aq_send_cmd(struct ice_hw *hw, struct ice_aq_desc *desc, void *buf,
1361 u16 buf_size, struct ice_sq_cd *cd)
1363 if (hw->aq_send_cmd_fn) {
1364 enum ice_status status = ICE_ERR_NOT_READY;
1365 u16 retval = ICE_AQ_RC_OK;
1367 ice_acquire_lock(&hw->adminq.sq_lock);
1368 if (!hw->aq_send_cmd_fn(hw->aq_send_cmd_param, desc,
1370 retval = LE16_TO_CPU(desc->retval);
1371 /* strip off FW internal code */
1374 if (retval == ICE_AQ_RC_OK)
1375 status = ICE_SUCCESS;
1377 status = ICE_ERR_AQ_ERROR;
1380 hw->adminq.sq_last_status = (enum ice_aq_err)retval;
1381 ice_release_lock(&hw->adminq.sq_lock);
1385 return ice_sq_send_cmd(hw, &hw->adminq, desc, buf, buf_size, cd);
1390 * @hw: pointer to the HW struct
1391 * @cd: pointer to command details structure or NULL
1393 * Get the firmware version (0x0001) from the admin queue commands
1395 enum ice_status ice_aq_get_fw_ver(struct ice_hw *hw, struct ice_sq_cd *cd)
1397 struct ice_aqc_get_ver *resp;
1398 struct ice_aq_desc desc;
1399 enum ice_status status;
1401 resp = &desc.params.get_ver;
1403 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_ver);
1405 status = ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
1408 hw->fw_branch = resp->fw_branch;
1409 hw->fw_maj_ver = resp->fw_major;
1410 hw->fw_min_ver = resp->fw_minor;
1411 hw->fw_patch = resp->fw_patch;
1412 hw->fw_build = LE32_TO_CPU(resp->fw_build);
1413 hw->api_branch = resp->api_branch;
1414 hw->api_maj_ver = resp->api_major;
1415 hw->api_min_ver = resp->api_minor;
1416 hw->api_patch = resp->api_patch;
1423 * ice_aq_send_driver_ver
1424 * @hw: pointer to the HW struct
1425 * @dv: driver's major, minor version
1426 * @cd: pointer to command details structure or NULL
1428 * Send the driver version (0x0002) to the firmware
1431 ice_aq_send_driver_ver(struct ice_hw *hw, struct ice_driver_ver *dv,
1432 struct ice_sq_cd *cd)
1434 struct ice_aqc_driver_ver *cmd;
1435 struct ice_aq_desc desc;
1438 cmd = &desc.params.driver_ver;
1441 return ICE_ERR_PARAM;
1443 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_driver_ver);
1445 desc.flags |= CPU_TO_LE16(ICE_AQ_FLAG_RD);
1446 cmd->major_ver = dv->major_ver;
1447 cmd->minor_ver = dv->minor_ver;
1448 cmd->build_ver = dv->build_ver;
1449 cmd->subbuild_ver = dv->subbuild_ver;
1452 while (len < sizeof(dv->driver_string) &&
1453 IS_ASCII(dv->driver_string[len]) && dv->driver_string[len])
1456 return ice_aq_send_cmd(hw, &desc, dv->driver_string, len, cd);
1461 * @hw: pointer to the HW struct
1462 * @unloading: is the driver unloading itself
1464 * Tell the Firmware that we're shutting down the AdminQ and whether
1465 * or not the driver is unloading as well (0x0003).
1467 enum ice_status ice_aq_q_shutdown(struct ice_hw *hw, bool unloading)
1469 struct ice_aqc_q_shutdown *cmd;
1470 struct ice_aq_desc desc;
1472 cmd = &desc.params.q_shutdown;
1474 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_q_shutdown);
1477 cmd->driver_unloading = ICE_AQC_DRIVER_UNLOADING;
1479 return ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
1484 * @hw: pointer to the HW struct
1486 * @access: access type
1487 * @sdp_number: resource number
1488 * @timeout: the maximum time in ms that the driver may hold the resource
1489 * @cd: pointer to command details structure or NULL
1491 * Requests common resource using the admin queue commands (0x0008).
1492 * When attempting to acquire the Global Config Lock, the driver can
1493 * learn of three states:
1494 * 1) ICE_SUCCESS - acquired lock, and can perform download package
1495 * 2) ICE_ERR_AQ_ERROR - did not get lock, driver should fail to load
1496 * 3) ICE_ERR_AQ_NO_WORK - did not get lock, but another driver has
1497 * successfully downloaded the package; the driver does
1498 * not have to download the package and can continue
1501 * Note that if the caller is in an acquire lock, perform action, release lock
1502 * phase of operation, it is possible that the FW may detect a timeout and issue
1503 * a CORER. In this case, the driver will receive a CORER interrupt and will
1504 * have to determine its cause. The calling thread that is handling this flow
1505 * will likely get an error propagated back to it indicating the Download
1506 * Package, Update Package or the Release Resource AQ commands timed out.
1508 static enum ice_status
1509 ice_aq_req_res(struct ice_hw *hw, enum ice_aq_res_ids res,
1510 enum ice_aq_res_access_type access, u8 sdp_number, u32 *timeout,
1511 struct ice_sq_cd *cd)
1513 struct ice_aqc_req_res *cmd_resp;
1514 struct ice_aq_desc desc;
1515 enum ice_status status;
1517 ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__);
1519 cmd_resp = &desc.params.res_owner;
1521 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_req_res);
1523 cmd_resp->res_id = CPU_TO_LE16(res);
1524 cmd_resp->access_type = CPU_TO_LE16(access);
1525 cmd_resp->res_number = CPU_TO_LE32(sdp_number);
1526 cmd_resp->timeout = CPU_TO_LE32(*timeout);
1529 status = ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
1531 /* The completion specifies the maximum time in ms that the driver
1532 * may hold the resource in the Timeout field.
1535 /* Global config lock response utilizes an additional status field.
1537 * If the Global config lock resource is held by some other driver, the
1538 * command completes with ICE_AQ_RES_GLBL_IN_PROG in the status field
1539 * and the timeout field indicates the maximum time the current owner
1540 * of the resource has to free it.
1542 if (res == ICE_GLOBAL_CFG_LOCK_RES_ID) {
1543 if (LE16_TO_CPU(cmd_resp->status) == ICE_AQ_RES_GLBL_SUCCESS) {
1544 *timeout = LE32_TO_CPU(cmd_resp->timeout);
1546 } else if (LE16_TO_CPU(cmd_resp->status) ==
1547 ICE_AQ_RES_GLBL_IN_PROG) {
1548 *timeout = LE32_TO_CPU(cmd_resp->timeout);
1549 return ICE_ERR_AQ_ERROR;
1550 } else if (LE16_TO_CPU(cmd_resp->status) ==
1551 ICE_AQ_RES_GLBL_DONE) {
1552 return ICE_ERR_AQ_NO_WORK;
1555 /* invalid FW response, force a timeout immediately */
1557 return ICE_ERR_AQ_ERROR;
1560 /* If the resource is held by some other driver, the command completes
1561 * with a busy return value and the timeout field indicates the maximum
1562 * time the current owner of the resource has to free it.
1564 if (!status || hw->adminq.sq_last_status == ICE_AQ_RC_EBUSY)
1565 *timeout = LE32_TO_CPU(cmd_resp->timeout);
1571 * ice_aq_release_res
1572 * @hw: pointer to the HW struct
1574 * @sdp_number: resource number
1575 * @cd: pointer to command details structure or NULL
1577 * release common resource using the admin queue commands (0x0009)
1579 static enum ice_status
1580 ice_aq_release_res(struct ice_hw *hw, enum ice_aq_res_ids res, u8 sdp_number,
1581 struct ice_sq_cd *cd)
1583 struct ice_aqc_req_res *cmd;
1584 struct ice_aq_desc desc;
1586 ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__);
1588 cmd = &desc.params.res_owner;
1590 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_release_res);
1592 cmd->res_id = CPU_TO_LE16(res);
1593 cmd->res_number = CPU_TO_LE32(sdp_number);
1595 return ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
1600 * @hw: pointer to the HW structure
1602 * @access: access type (read or write)
1603 * @timeout: timeout in milliseconds
1605 * This function will attempt to acquire the ownership of a resource.
1608 ice_acquire_res(struct ice_hw *hw, enum ice_aq_res_ids res,
1609 enum ice_aq_res_access_type access, u32 timeout)
1611 #define ICE_RES_POLLING_DELAY_MS 10
1612 u32 delay = ICE_RES_POLLING_DELAY_MS;
1613 u32 time_left = timeout;
1614 enum ice_status status;
1616 ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__);
1618 status = ice_aq_req_res(hw, res, access, 0, &time_left, NULL);
1620 /* A return code of ICE_ERR_AQ_NO_WORK means that another driver has
1621 * previously acquired the resource and performed any necessary updates;
1622 * in this case the caller does not obtain the resource and has no
1623 * further work to do.
1625 if (status == ICE_ERR_AQ_NO_WORK)
1626 goto ice_acquire_res_exit;
1629 ice_debug(hw, ICE_DBG_RES,
1630 "resource %d acquire type %d failed.\n", res, access);
1632 /* If necessary, poll until the current lock owner timeouts */
1633 timeout = time_left;
1634 while (status && timeout && time_left) {
1635 ice_msec_delay(delay, true);
1636 timeout = (timeout > delay) ? timeout - delay : 0;
1637 status = ice_aq_req_res(hw, res, access, 0, &time_left, NULL);
1639 if (status == ICE_ERR_AQ_NO_WORK)
1640 /* lock free, but no work to do */
1647 if (status && status != ICE_ERR_AQ_NO_WORK)
1648 ice_debug(hw, ICE_DBG_RES, "resource acquire timed out.\n");
1650 ice_acquire_res_exit:
1651 if (status == ICE_ERR_AQ_NO_WORK) {
1652 if (access == ICE_RES_WRITE)
1653 ice_debug(hw, ICE_DBG_RES,
1654 "resource indicates no work to do.\n");
1656 ice_debug(hw, ICE_DBG_RES,
1657 "Warning: ICE_ERR_AQ_NO_WORK not expected\n");
1664 * @hw: pointer to the HW structure
1667 * This function will release a resource using the proper Admin Command.
1669 void ice_release_res(struct ice_hw *hw, enum ice_aq_res_ids res)
1671 enum ice_status status;
1672 u32 total_delay = 0;
1674 ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__);
1676 status = ice_aq_release_res(hw, res, 0, NULL);
1678 /* there are some rare cases when trying to release the resource
1679 * results in an admin queue timeout, so handle them correctly
1681 while ((status == ICE_ERR_AQ_TIMEOUT) &&
1682 (total_delay < hw->adminq.sq_cmd_timeout)) {
1683 ice_msec_delay(1, true);
1684 status = ice_aq_release_res(hw, res, 0, NULL);
1690 * ice_aq_alloc_free_res - command to allocate/free resources
1691 * @hw: pointer to the HW struct
1692 * @num_entries: number of resource entries in buffer
1693 * @buf: Indirect buffer to hold data parameters and response
1694 * @buf_size: size of buffer for indirect commands
1695 * @opc: pass in the command opcode
1696 * @cd: pointer to command details structure or NULL
1698 * Helper function to allocate/free resources using the admin queue commands
1701 ice_aq_alloc_free_res(struct ice_hw *hw, u16 num_entries,
1702 struct ice_aqc_alloc_free_res_elem *buf, u16 buf_size,
1703 enum ice_adminq_opc opc, struct ice_sq_cd *cd)
1705 struct ice_aqc_alloc_free_res_cmd *cmd;
1706 struct ice_aq_desc desc;
1708 ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__);
1710 cmd = &desc.params.sw_res_ctrl;
1713 return ICE_ERR_PARAM;
1715 if (buf_size < (num_entries * sizeof(buf->elem[0])))
1716 return ICE_ERR_PARAM;
1718 ice_fill_dflt_direct_cmd_desc(&desc, opc);
1720 desc.flags |= CPU_TO_LE16(ICE_AQ_FLAG_RD);
1722 cmd->num_entries = CPU_TO_LE16(num_entries);
1724 return ice_aq_send_cmd(hw, &desc, buf, buf_size, cd);
1728 * ice_alloc_hw_res - allocate resource
1729 * @hw: pointer to the HW struct
1730 * @type: type of resource
1731 * @num: number of resources to allocate
1732 * @btm: allocate from bottom
1733 * @res: pointer to array that will receive the resources
1736 ice_alloc_hw_res(struct ice_hw *hw, u16 type, u16 num, bool btm, u16 *res)
1738 struct ice_aqc_alloc_free_res_elem *buf;
1739 enum ice_status status;
1742 buf_len = ice_struct_size(buf, elem, num - 1);
1743 buf = (struct ice_aqc_alloc_free_res_elem *)
1744 ice_malloc(hw, buf_len);
1746 return ICE_ERR_NO_MEMORY;
1748 /* Prepare buffer to allocate resource. */
1749 buf->num_elems = CPU_TO_LE16(num);
1750 buf->res_type = CPU_TO_LE16(type | ICE_AQC_RES_TYPE_FLAG_DEDICATED |
1751 ICE_AQC_RES_TYPE_FLAG_IGNORE_INDEX);
1753 buf->res_type |= CPU_TO_LE16(ICE_AQC_RES_TYPE_FLAG_SCAN_BOTTOM);
1755 status = ice_aq_alloc_free_res(hw, 1, buf, buf_len,
1756 ice_aqc_opc_alloc_res, NULL);
1758 goto ice_alloc_res_exit;
1760 ice_memcpy(res, buf->elem, sizeof(buf->elem) * num,
1761 ICE_NONDMA_TO_NONDMA);
1769 * ice_free_hw_res - free allocated HW resource
1770 * @hw: pointer to the HW struct
1771 * @type: type of resource to free
1772 * @num: number of resources
1773 * @res: pointer to array that contains the resources to free
1775 enum ice_status ice_free_hw_res(struct ice_hw *hw, u16 type, u16 num, u16 *res)
1777 struct ice_aqc_alloc_free_res_elem *buf;
1778 enum ice_status status;
1781 buf_len = ice_struct_size(buf, elem, num - 1);
1782 buf = (struct ice_aqc_alloc_free_res_elem *)ice_malloc(hw, buf_len);
1784 return ICE_ERR_NO_MEMORY;
1786 /* Prepare buffer to free resource. */
1787 buf->num_elems = CPU_TO_LE16(num);
1788 buf->res_type = CPU_TO_LE16(type);
1789 ice_memcpy(buf->elem, res, sizeof(buf->elem) * num,
1790 ICE_NONDMA_TO_NONDMA);
1792 status = ice_aq_alloc_free_res(hw, num, buf, buf_len,
1793 ice_aqc_opc_free_res, NULL);
1795 ice_debug(hw, ICE_DBG_SW, "CQ CMD Buffer:\n");
1802 * ice_get_num_per_func - determine number of resources per PF
1803 * @hw: pointer to the HW structure
1804 * @max: value to be evenly split between each PF
1806 * Determine the number of valid functions by going through the bitmap returned
1807 * from parsing capabilities and use this to calculate the number of resources
1808 * per PF based on the max value passed in.
1810 static u32 ice_get_num_per_func(struct ice_hw *hw, u32 max)
1814 #define ICE_CAPS_VALID_FUNCS_M 0xFF
1815 funcs = ice_hweight8(hw->dev_caps.common_cap.valid_functions &
1816 ICE_CAPS_VALID_FUNCS_M);
1825 * ice_parse_common_caps - parse common device/function capabilities
1826 * @hw: pointer to the HW struct
1827 * @caps: pointer to common capabilities structure
1828 * @elem: the capability element to parse
1829 * @prefix: message prefix for tracing capabilities
1831 * Given a capability element, extract relevant details into the common
1832 * capability structure.
1834 * Returns: true if the capability matches one of the common capability ids,
1838 ice_parse_common_caps(struct ice_hw *hw, struct ice_hw_common_caps *caps,
1839 struct ice_aqc_list_caps_elem *elem, const char *prefix)
1841 u32 logical_id = LE32_TO_CPU(elem->logical_id);
1842 u32 phys_id = LE32_TO_CPU(elem->phys_id);
1843 u32 number = LE32_TO_CPU(elem->number);
1844 u16 cap = LE16_TO_CPU(elem->cap);
1848 case ICE_AQC_CAPS_VALID_FUNCTIONS:
1849 caps->valid_functions = number;
1850 ice_debug(hw, ICE_DBG_INIT,
1851 "%s: valid_functions (bitmap) = %d\n", prefix,
1852 caps->valid_functions);
1854 case ICE_AQC_CAPS_DCB:
1855 caps->dcb = (number == 1);
1856 caps->active_tc_bitmap = logical_id;
1857 caps->maxtc = phys_id;
1858 ice_debug(hw, ICE_DBG_INIT,
1859 "%s: dcb = %d\n", prefix, caps->dcb);
1860 ice_debug(hw, ICE_DBG_INIT,
1861 "%s: active_tc_bitmap = %d\n", prefix,
1862 caps->active_tc_bitmap);
1863 ice_debug(hw, ICE_DBG_INIT,
1864 "%s: maxtc = %d\n", prefix, caps->maxtc);
1866 case ICE_AQC_CAPS_RSS:
1867 caps->rss_table_size = number;
1868 caps->rss_table_entry_width = logical_id;
1869 ice_debug(hw, ICE_DBG_INIT,
1870 "%s: rss_table_size = %d\n", prefix,
1871 caps->rss_table_size);
1872 ice_debug(hw, ICE_DBG_INIT,
1873 "%s: rss_table_entry_width = %d\n", prefix,
1874 caps->rss_table_entry_width);
1876 case ICE_AQC_CAPS_RXQS:
1877 caps->num_rxq = number;
1878 caps->rxq_first_id = phys_id;
1879 ice_debug(hw, ICE_DBG_INIT,
1880 "%s: num_rxq = %d\n", prefix,
1882 ice_debug(hw, ICE_DBG_INIT,
1883 "%s: rxq_first_id = %d\n", prefix,
1884 caps->rxq_first_id);
1886 case ICE_AQC_CAPS_TXQS:
1887 caps->num_txq = number;
1888 caps->txq_first_id = phys_id;
1889 ice_debug(hw, ICE_DBG_INIT,
1890 "%s: num_txq = %d\n", prefix,
1892 ice_debug(hw, ICE_DBG_INIT,
1893 "%s: txq_first_id = %d\n", prefix,
1894 caps->txq_first_id);
1896 case ICE_AQC_CAPS_MSIX:
1897 caps->num_msix_vectors = number;
1898 caps->msix_vector_first_id = phys_id;
1899 ice_debug(hw, ICE_DBG_INIT,
1900 "%s: num_msix_vectors = %d\n", prefix,
1901 caps->num_msix_vectors);
1902 ice_debug(hw, ICE_DBG_INIT,
1903 "%s: msix_vector_first_id = %d\n", prefix,
1904 caps->msix_vector_first_id);
1906 case ICE_AQC_CAPS_MAX_MTU:
1907 caps->max_mtu = number;
1908 ice_debug(hw, ICE_DBG_INIT, "%s: max_mtu = %d\n",
1909 prefix, caps->max_mtu);
1912 /* Not one of the recognized common capabilities */
1920 * ice_recalc_port_limited_caps - Recalculate port limited capabilities
1921 * @hw: pointer to the HW structure
1922 * @caps: pointer to capabilities structure to fix
1924 * Re-calculate the capabilities that are dependent on the number of physical
1925 * ports; i.e. some features are not supported or function differently on
1926 * devices with more than 4 ports.
1929 ice_recalc_port_limited_caps(struct ice_hw *hw, struct ice_hw_common_caps *caps)
1931 /* This assumes device capabilities are always scanned before function
1932 * capabilities during the initialization flow.
1934 if (hw->dev_caps.num_funcs > 4) {
1935 /* Max 4 TCs per port */
1937 ice_debug(hw, ICE_DBG_INIT,
1938 "reducing maxtc to %d (based on #ports)\n",
1944 * ice_parse_vsi_func_caps - Parse ICE_AQC_CAPS_VSI function caps
1945 * @hw: pointer to the HW struct
1946 * @func_p: pointer to function capabilities structure
1947 * @cap: pointer to the capability element to parse
1949 * Extract function capabilities for ICE_AQC_CAPS_VSI.
1952 ice_parse_vsi_func_caps(struct ice_hw *hw, struct ice_hw_func_caps *func_p,
1953 struct ice_aqc_list_caps_elem *cap)
1955 func_p->guar_num_vsi = ice_get_num_per_func(hw, ICE_MAX_VSI);
1956 ice_debug(hw, ICE_DBG_INIT, "func caps: guar_num_vsi (fw) = %d\n",
1957 LE32_TO_CPU(cap->number));
1958 ice_debug(hw, ICE_DBG_INIT, "func caps: guar_num_vsi = %d\n",
1959 func_p->guar_num_vsi);
1963 * ice_parse_fdir_func_caps - Parse ICE_AQC_CAPS_FD function caps
1964 * @hw: pointer to the HW struct
1965 * @func_p: pointer to function capabilities structure
1966 * @cap: pointer to the capability element to parse
1968 * Extract function capabilities for ICE_AQC_CAPS_FD.
1971 ice_parse_fdir_func_caps(struct ice_hw *hw, struct ice_hw_func_caps *func_p,
1972 struct ice_aqc_list_caps_elem *cap)
1976 if (hw->dcf_enabled)
1978 reg_val = rd32(hw, GLQF_FD_SIZE);
1979 val = (reg_val & GLQF_FD_SIZE_FD_GSIZE_M) >>
1980 GLQF_FD_SIZE_FD_GSIZE_S;
1981 func_p->fd_fltr_guar =
1982 ice_get_num_per_func(hw, val);
1983 val = (reg_val & GLQF_FD_SIZE_FD_BSIZE_M) >>
1984 GLQF_FD_SIZE_FD_BSIZE_S;
1985 func_p->fd_fltr_best_effort = val;
1987 ice_debug(hw, ICE_DBG_INIT,
1988 "func caps: fd_fltr_guar = %d\n",
1989 func_p->fd_fltr_guar);
1990 ice_debug(hw, ICE_DBG_INIT,
1991 "func caps: fd_fltr_best_effort = %d\n",
1992 func_p->fd_fltr_best_effort);
1996 * ice_parse_func_caps - Parse function capabilities
1997 * @hw: pointer to the HW struct
1998 * @func_p: pointer to function capabilities structure
1999 * @buf: buffer containing the function capability records
2000 * @cap_count: the number of capabilities
2002 * Helper function to parse function (0x000A) capabilities list. For
2003 * capabilities shared between device and function, this relies on
2004 * ice_parse_common_caps.
2006 * Loop through the list of provided capabilities and extract the relevant
2007 * data into the function capabilities structured.
2010 ice_parse_func_caps(struct ice_hw *hw, struct ice_hw_func_caps *func_p,
2011 void *buf, u32 cap_count)
2013 struct ice_aqc_list_caps_elem *cap_resp;
2016 cap_resp = (struct ice_aqc_list_caps_elem *)buf;
2018 ice_memset(func_p, 0, sizeof(*func_p), ICE_NONDMA_MEM);
2020 for (i = 0; i < cap_count; i++) {
2021 u16 cap = LE16_TO_CPU(cap_resp[i].cap);
2024 found = ice_parse_common_caps(hw, &func_p->common_cap,
2025 &cap_resp[i], "func caps");
2028 case ICE_AQC_CAPS_VSI:
2029 ice_parse_vsi_func_caps(hw, func_p, &cap_resp[i]);
2031 case ICE_AQC_CAPS_FD:
2032 ice_parse_fdir_func_caps(hw, func_p, &cap_resp[i]);
2035 /* Don't list common capabilities as unknown */
2037 ice_debug(hw, ICE_DBG_INIT,
2038 "func caps: unknown capability[%d]: 0x%x\n",
2044 ice_recalc_port_limited_caps(hw, &func_p->common_cap);
2048 * ice_parse_valid_functions_cap - Parse ICE_AQC_CAPS_VALID_FUNCTIONS caps
2049 * @hw: pointer to the HW struct
2050 * @dev_p: pointer to device capabilities structure
2051 * @cap: capability element to parse
2053 * Parse ICE_AQC_CAPS_VALID_FUNCTIONS for device capabilities.
2056 ice_parse_valid_functions_cap(struct ice_hw *hw, struct ice_hw_dev_caps *dev_p,
2057 struct ice_aqc_list_caps_elem *cap)
2059 u32 number = LE32_TO_CPU(cap->number);
2061 dev_p->num_funcs = ice_hweight32(number);
2062 ice_debug(hw, ICE_DBG_INIT, "dev caps: num_funcs = %d\n",
2067 * ice_parse_vsi_dev_caps - Parse ICE_AQC_CAPS_VSI device caps
2068 * @hw: pointer to the HW struct
2069 * @dev_p: pointer to device capabilities structure
2070 * @cap: capability element to parse
2072 * Parse ICE_AQC_CAPS_VSI for device capabilities.
2075 ice_parse_vsi_dev_caps(struct ice_hw *hw, struct ice_hw_dev_caps *dev_p,
2076 struct ice_aqc_list_caps_elem *cap)
2078 u32 number = LE32_TO_CPU(cap->number);
2080 dev_p->num_vsi_allocd_to_host = number;
2081 ice_debug(hw, ICE_DBG_INIT, "dev caps: num_vsi_allocd_to_host = %d\n",
2082 dev_p->num_vsi_allocd_to_host);
2086 * ice_parse_fdir_dev_caps - Parse ICE_AQC_CAPS_FD device caps
2087 * @hw: pointer to the HW struct
2088 * @dev_p: pointer to device capabilities structure
2089 * @cap: capability element to parse
2091 * Parse ICE_AQC_CAPS_FD for device capabilities.
2094 ice_parse_fdir_dev_caps(struct ice_hw *hw, struct ice_hw_dev_caps *dev_p,
2095 struct ice_aqc_list_caps_elem *cap)
2097 u32 number = LE32_TO_CPU(cap->number);
2099 dev_p->num_flow_director_fltr = number;
2100 ice_debug(hw, ICE_DBG_INIT, "dev caps: num_flow_director_fltr = %d\n",
2101 dev_p->num_flow_director_fltr);
2105 * ice_parse_dev_caps - Parse device capabilities
2106 * @hw: pointer to the HW struct
2107 * @dev_p: pointer to device capabilities structure
2108 * @buf: buffer containing the device capability records
2109 * @cap_count: the number of capabilities
2111 * Helper device to parse device (0x000B) capabilities list. For
2112 * capabilities shared between device and device, this relies on
2113 * ice_parse_common_caps.
2115 * Loop through the list of provided capabilities and extract the relevant
2116 * data into the device capabilities structured.
2119 ice_parse_dev_caps(struct ice_hw *hw, struct ice_hw_dev_caps *dev_p,
2120 void *buf, u32 cap_count)
2122 struct ice_aqc_list_caps_elem *cap_resp;
2125 cap_resp = (struct ice_aqc_list_caps_elem *)buf;
2127 ice_memset(dev_p, 0, sizeof(*dev_p), ICE_NONDMA_MEM);
2129 for (i = 0; i < cap_count; i++) {
2130 u16 cap = LE16_TO_CPU(cap_resp[i].cap);
2133 found = ice_parse_common_caps(hw, &dev_p->common_cap,
2134 &cap_resp[i], "dev caps");
2137 case ICE_AQC_CAPS_VALID_FUNCTIONS:
2138 ice_parse_valid_functions_cap(hw, dev_p, &cap_resp[i]);
2140 case ICE_AQC_CAPS_VSI:
2141 ice_parse_vsi_dev_caps(hw, dev_p, &cap_resp[i]);
2143 case ICE_AQC_CAPS_FD:
2144 ice_parse_fdir_dev_caps(hw, dev_p, &cap_resp[i]);
2147 /* Don't list common capabilities as unknown */
2149 ice_debug(hw, ICE_DBG_INIT,
2150 "dev caps: unknown capability[%d]: 0x%x\n",
2156 ice_recalc_port_limited_caps(hw, &dev_p->common_cap);
2160 * ice_aq_list_caps - query function/device capabilities
2161 * @hw: pointer to the HW struct
2162 * @buf: a buffer to hold the capabilities
2163 * @buf_size: size of the buffer
2164 * @cap_count: if not NULL, set to the number of capabilities reported
2165 * @opc: capabilities type to discover, device or function
2166 * @cd: pointer to command details structure or NULL
2168 * Get the function (0x000A) or device (0x000B) capabilities description from
2169 * firmware and store it in the buffer.
2171 * If the cap_count pointer is not NULL, then it is set to the number of
2172 * capabilities firmware will report. Note that if the buffer size is too
2173 * small, it is possible the command will return ICE_AQ_ERR_ENOMEM. The
2174 * cap_count will still be updated in this case. It is recommended that the
2175 * buffer size be set to ICE_AQ_MAX_BUF_LEN (the largest possible buffer that
2176 * firmware could return) to avoid this.
2178 static enum ice_status
2179 ice_aq_list_caps(struct ice_hw *hw, void *buf, u16 buf_size, u32 *cap_count,
2180 enum ice_adminq_opc opc, struct ice_sq_cd *cd)
2182 struct ice_aqc_list_caps *cmd;
2183 struct ice_aq_desc desc;
2184 enum ice_status status;
2186 cmd = &desc.params.get_cap;
2188 if (opc != ice_aqc_opc_list_func_caps &&
2189 opc != ice_aqc_opc_list_dev_caps)
2190 return ICE_ERR_PARAM;
2192 ice_fill_dflt_direct_cmd_desc(&desc, opc);
2193 status = ice_aq_send_cmd(hw, &desc, buf, buf_size, cd);
2196 *cap_count = LE32_TO_CPU(cmd->count);
2202 * ice_discover_dev_caps - Read and extract device capabilities
2203 * @hw: pointer to the hardware structure
2204 * @dev_caps: pointer to device capabilities structure
2206 * Read the device capabilities and extract them into the dev_caps structure
2209 static enum ice_status
2210 ice_discover_dev_caps(struct ice_hw *hw, struct ice_hw_dev_caps *dev_caps)
2212 enum ice_status status;
2216 cbuf = ice_malloc(hw, ICE_AQ_MAX_BUF_LEN);
2218 return ICE_ERR_NO_MEMORY;
2220 /* Although the driver doesn't know the number of capabilities the
2221 * device will return, we can simply send a 4KB buffer, the maximum
2222 * possible size that firmware can return.
2224 cap_count = ICE_AQ_MAX_BUF_LEN / sizeof(struct ice_aqc_list_caps_elem);
2226 status = ice_aq_list_caps(hw, cbuf, ICE_AQ_MAX_BUF_LEN, &cap_count,
2227 ice_aqc_opc_list_dev_caps, NULL);
2229 ice_parse_dev_caps(hw, dev_caps, cbuf, cap_count);
2236 * ice_discover_func_caps - Read and extract function capabilities
2237 * @hw: pointer to the hardware structure
2238 * @func_caps: pointer to function capabilities structure
2240 * Read the function capabilities and extract them into the func_caps structure
2243 static enum ice_status
2244 ice_discover_func_caps(struct ice_hw *hw, struct ice_hw_func_caps *func_caps)
2246 enum ice_status status;
2250 cbuf = ice_malloc(hw, ICE_AQ_MAX_BUF_LEN);
2252 return ICE_ERR_NO_MEMORY;
2254 /* Although the driver doesn't know the number of capabilities the
2255 * device will return, we can simply send a 4KB buffer, the maximum
2256 * possible size that firmware can return.
2258 cap_count = ICE_AQ_MAX_BUF_LEN / sizeof(struct ice_aqc_list_caps_elem);
2260 status = ice_aq_list_caps(hw, cbuf, ICE_AQ_MAX_BUF_LEN, &cap_count,
2261 ice_aqc_opc_list_func_caps, NULL);
2263 ice_parse_func_caps(hw, func_caps, cbuf, cap_count);
2270 * ice_set_safe_mode_caps - Override dev/func capabilities when in safe mode
2271 * @hw: pointer to the hardware structure
2273 void ice_set_safe_mode_caps(struct ice_hw *hw)
2275 struct ice_hw_func_caps *func_caps = &hw->func_caps;
2276 struct ice_hw_dev_caps *dev_caps = &hw->dev_caps;
2277 u32 valid_func, rxq_first_id, txq_first_id;
2278 u32 msix_vector_first_id, max_mtu;
2281 /* cache some func_caps values that should be restored after memset */
2282 valid_func = func_caps->common_cap.valid_functions;
2283 txq_first_id = func_caps->common_cap.txq_first_id;
2284 rxq_first_id = func_caps->common_cap.rxq_first_id;
2285 msix_vector_first_id = func_caps->common_cap.msix_vector_first_id;
2286 max_mtu = func_caps->common_cap.max_mtu;
2288 /* unset func capabilities */
2289 memset(func_caps, 0, sizeof(*func_caps));
2291 /* restore cached values */
2292 func_caps->common_cap.valid_functions = valid_func;
2293 func_caps->common_cap.txq_first_id = txq_first_id;
2294 func_caps->common_cap.rxq_first_id = rxq_first_id;
2295 func_caps->common_cap.msix_vector_first_id = msix_vector_first_id;
2296 func_caps->common_cap.max_mtu = max_mtu;
2298 /* one Tx and one Rx queue in safe mode */
2299 func_caps->common_cap.num_rxq = 1;
2300 func_caps->common_cap.num_txq = 1;
2302 /* two MSIX vectors, one for traffic and one for misc causes */
2303 func_caps->common_cap.num_msix_vectors = 2;
2304 func_caps->guar_num_vsi = 1;
2306 /* cache some dev_caps values that should be restored after memset */
2307 valid_func = dev_caps->common_cap.valid_functions;
2308 txq_first_id = dev_caps->common_cap.txq_first_id;
2309 rxq_first_id = dev_caps->common_cap.rxq_first_id;
2310 msix_vector_first_id = dev_caps->common_cap.msix_vector_first_id;
2311 max_mtu = dev_caps->common_cap.max_mtu;
2312 num_funcs = dev_caps->num_funcs;
2314 /* unset dev capabilities */
2315 memset(dev_caps, 0, sizeof(*dev_caps));
2317 /* restore cached values */
2318 dev_caps->common_cap.valid_functions = valid_func;
2319 dev_caps->common_cap.txq_first_id = txq_first_id;
2320 dev_caps->common_cap.rxq_first_id = rxq_first_id;
2321 dev_caps->common_cap.msix_vector_first_id = msix_vector_first_id;
2322 dev_caps->common_cap.max_mtu = max_mtu;
2323 dev_caps->num_funcs = num_funcs;
2325 /* one Tx and one Rx queue per function in safe mode */
2326 dev_caps->common_cap.num_rxq = num_funcs;
2327 dev_caps->common_cap.num_txq = num_funcs;
2329 /* two MSIX vectors per function */
2330 dev_caps->common_cap.num_msix_vectors = 2 * num_funcs;
2334 * ice_get_caps - get info about the HW
2335 * @hw: pointer to the hardware structure
2337 enum ice_status ice_get_caps(struct ice_hw *hw)
2339 enum ice_status status;
2341 status = ice_discover_dev_caps(hw, &hw->dev_caps);
2345 return ice_discover_func_caps(hw, &hw->func_caps);
2349 * ice_aq_manage_mac_write - manage MAC address write command
2350 * @hw: pointer to the HW struct
2351 * @mac_addr: MAC address to be written as LAA/LAA+WoL/Port address
2352 * @flags: flags to control write behavior
2353 * @cd: pointer to command details structure or NULL
2355 * This function is used to write MAC address to the NVM (0x0108).
2358 ice_aq_manage_mac_write(struct ice_hw *hw, const u8 *mac_addr, u8 flags,
2359 struct ice_sq_cd *cd)
2361 struct ice_aqc_manage_mac_write *cmd;
2362 struct ice_aq_desc desc;
2364 cmd = &desc.params.mac_write;
2365 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_manage_mac_write);
2368 ice_memcpy(cmd->mac_addr, mac_addr, ETH_ALEN, ICE_NONDMA_TO_DMA);
2370 return ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
2374 * ice_aq_clear_pxe_mode
2375 * @hw: pointer to the HW struct
2377 * Tell the firmware that the driver is taking over from PXE (0x0110).
2379 static enum ice_status ice_aq_clear_pxe_mode(struct ice_hw *hw)
2381 struct ice_aq_desc desc;
2383 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_clear_pxe_mode);
2384 desc.params.clear_pxe.rx_cnt = ICE_AQC_CLEAR_PXE_RX_CNT;
2386 return ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
2390 * ice_clear_pxe_mode - clear pxe operations mode
2391 * @hw: pointer to the HW struct
2393 * Make sure all PXE mode settings are cleared, including things
2394 * like descriptor fetch/write-back mode.
2396 void ice_clear_pxe_mode(struct ice_hw *hw)
2398 if (ice_check_sq_alive(hw, &hw->adminq))
2399 ice_aq_clear_pxe_mode(hw);
2403 * ice_get_link_speed_based_on_phy_type - returns link speed
2404 * @phy_type_low: lower part of phy_type
2405 * @phy_type_high: higher part of phy_type
2407 * This helper function will convert an entry in PHY type structure
2408 * [phy_type_low, phy_type_high] to its corresponding link speed.
2409 * Note: In the structure of [phy_type_low, phy_type_high], there should
2410 * be one bit set, as this function will convert one PHY type to its
2412 * If no bit gets set, ICE_LINK_SPEED_UNKNOWN will be returned
2413 * If more than one bit gets set, ICE_LINK_SPEED_UNKNOWN will be returned
2416 ice_get_link_speed_based_on_phy_type(u64 phy_type_low, u64 phy_type_high)
2418 u16 speed_phy_type_high = ICE_AQ_LINK_SPEED_UNKNOWN;
2419 u16 speed_phy_type_low = ICE_AQ_LINK_SPEED_UNKNOWN;
2421 switch (phy_type_low) {
2422 case ICE_PHY_TYPE_LOW_100BASE_TX:
2423 case ICE_PHY_TYPE_LOW_100M_SGMII:
2424 speed_phy_type_low = ICE_AQ_LINK_SPEED_100MB;
2426 case ICE_PHY_TYPE_LOW_1000BASE_T:
2427 case ICE_PHY_TYPE_LOW_1000BASE_SX:
2428 case ICE_PHY_TYPE_LOW_1000BASE_LX:
2429 case ICE_PHY_TYPE_LOW_1000BASE_KX:
2430 case ICE_PHY_TYPE_LOW_1G_SGMII:
2431 speed_phy_type_low = ICE_AQ_LINK_SPEED_1000MB;
2433 case ICE_PHY_TYPE_LOW_2500BASE_T:
2434 case ICE_PHY_TYPE_LOW_2500BASE_X:
2435 case ICE_PHY_TYPE_LOW_2500BASE_KX:
2436 speed_phy_type_low = ICE_AQ_LINK_SPEED_2500MB;
2438 case ICE_PHY_TYPE_LOW_5GBASE_T:
2439 case ICE_PHY_TYPE_LOW_5GBASE_KR:
2440 speed_phy_type_low = ICE_AQ_LINK_SPEED_5GB;
2442 case ICE_PHY_TYPE_LOW_10GBASE_T:
2443 case ICE_PHY_TYPE_LOW_10G_SFI_DA:
2444 case ICE_PHY_TYPE_LOW_10GBASE_SR:
2445 case ICE_PHY_TYPE_LOW_10GBASE_LR:
2446 case ICE_PHY_TYPE_LOW_10GBASE_KR_CR1:
2447 case ICE_PHY_TYPE_LOW_10G_SFI_AOC_ACC:
2448 case ICE_PHY_TYPE_LOW_10G_SFI_C2C:
2449 speed_phy_type_low = ICE_AQ_LINK_SPEED_10GB;
2451 case ICE_PHY_TYPE_LOW_25GBASE_T:
2452 case ICE_PHY_TYPE_LOW_25GBASE_CR:
2453 case ICE_PHY_TYPE_LOW_25GBASE_CR_S:
2454 case ICE_PHY_TYPE_LOW_25GBASE_CR1:
2455 case ICE_PHY_TYPE_LOW_25GBASE_SR:
2456 case ICE_PHY_TYPE_LOW_25GBASE_LR:
2457 case ICE_PHY_TYPE_LOW_25GBASE_KR:
2458 case ICE_PHY_TYPE_LOW_25GBASE_KR_S:
2459 case ICE_PHY_TYPE_LOW_25GBASE_KR1:
2460 case ICE_PHY_TYPE_LOW_25G_AUI_AOC_ACC:
2461 case ICE_PHY_TYPE_LOW_25G_AUI_C2C:
2462 speed_phy_type_low = ICE_AQ_LINK_SPEED_25GB;
2464 case ICE_PHY_TYPE_LOW_40GBASE_CR4:
2465 case ICE_PHY_TYPE_LOW_40GBASE_SR4:
2466 case ICE_PHY_TYPE_LOW_40GBASE_LR4:
2467 case ICE_PHY_TYPE_LOW_40GBASE_KR4:
2468 case ICE_PHY_TYPE_LOW_40G_XLAUI_AOC_ACC:
2469 case ICE_PHY_TYPE_LOW_40G_XLAUI:
2470 speed_phy_type_low = ICE_AQ_LINK_SPEED_40GB;
2472 case ICE_PHY_TYPE_LOW_50GBASE_CR2:
2473 case ICE_PHY_TYPE_LOW_50GBASE_SR2:
2474 case ICE_PHY_TYPE_LOW_50GBASE_LR2:
2475 case ICE_PHY_TYPE_LOW_50GBASE_KR2:
2476 case ICE_PHY_TYPE_LOW_50G_LAUI2_AOC_ACC:
2477 case ICE_PHY_TYPE_LOW_50G_LAUI2:
2478 case ICE_PHY_TYPE_LOW_50G_AUI2_AOC_ACC:
2479 case ICE_PHY_TYPE_LOW_50G_AUI2:
2480 case ICE_PHY_TYPE_LOW_50GBASE_CP:
2481 case ICE_PHY_TYPE_LOW_50GBASE_SR:
2482 case ICE_PHY_TYPE_LOW_50GBASE_FR:
2483 case ICE_PHY_TYPE_LOW_50GBASE_LR:
2484 case ICE_PHY_TYPE_LOW_50GBASE_KR_PAM4:
2485 case ICE_PHY_TYPE_LOW_50G_AUI1_AOC_ACC:
2486 case ICE_PHY_TYPE_LOW_50G_AUI1:
2487 speed_phy_type_low = ICE_AQ_LINK_SPEED_50GB;
2489 case ICE_PHY_TYPE_LOW_100GBASE_CR4:
2490 case ICE_PHY_TYPE_LOW_100GBASE_SR4:
2491 case ICE_PHY_TYPE_LOW_100GBASE_LR4:
2492 case ICE_PHY_TYPE_LOW_100GBASE_KR4:
2493 case ICE_PHY_TYPE_LOW_100G_CAUI4_AOC_ACC:
2494 case ICE_PHY_TYPE_LOW_100G_CAUI4:
2495 case ICE_PHY_TYPE_LOW_100G_AUI4_AOC_ACC:
2496 case ICE_PHY_TYPE_LOW_100G_AUI4:
2497 case ICE_PHY_TYPE_LOW_100GBASE_CR_PAM4:
2498 case ICE_PHY_TYPE_LOW_100GBASE_KR_PAM4:
2499 case ICE_PHY_TYPE_LOW_100GBASE_CP2:
2500 case ICE_PHY_TYPE_LOW_100GBASE_SR2:
2501 case ICE_PHY_TYPE_LOW_100GBASE_DR:
2502 speed_phy_type_low = ICE_AQ_LINK_SPEED_100GB;
2505 speed_phy_type_low = ICE_AQ_LINK_SPEED_UNKNOWN;
2509 switch (phy_type_high) {
2510 case ICE_PHY_TYPE_HIGH_100GBASE_KR2_PAM4:
2511 case ICE_PHY_TYPE_HIGH_100G_CAUI2_AOC_ACC:
2512 case ICE_PHY_TYPE_HIGH_100G_CAUI2:
2513 case ICE_PHY_TYPE_HIGH_100G_AUI2_AOC_ACC:
2514 case ICE_PHY_TYPE_HIGH_100G_AUI2:
2515 speed_phy_type_high = ICE_AQ_LINK_SPEED_100GB;
2518 speed_phy_type_high = ICE_AQ_LINK_SPEED_UNKNOWN;
2522 if (speed_phy_type_low == ICE_AQ_LINK_SPEED_UNKNOWN &&
2523 speed_phy_type_high == ICE_AQ_LINK_SPEED_UNKNOWN)
2524 return ICE_AQ_LINK_SPEED_UNKNOWN;
2525 else if (speed_phy_type_low != ICE_AQ_LINK_SPEED_UNKNOWN &&
2526 speed_phy_type_high != ICE_AQ_LINK_SPEED_UNKNOWN)
2527 return ICE_AQ_LINK_SPEED_UNKNOWN;
2528 else if (speed_phy_type_low != ICE_AQ_LINK_SPEED_UNKNOWN &&
2529 speed_phy_type_high == ICE_AQ_LINK_SPEED_UNKNOWN)
2530 return speed_phy_type_low;
2532 return speed_phy_type_high;
2536 * ice_update_phy_type
2537 * @phy_type_low: pointer to the lower part of phy_type
2538 * @phy_type_high: pointer to the higher part of phy_type
2539 * @link_speeds_bitmap: targeted link speeds bitmap
2541 * Note: For the link_speeds_bitmap structure, you can check it at
2542 * [ice_aqc_get_link_status->link_speed]. Caller can pass in
2543 * link_speeds_bitmap include multiple speeds.
2545 * Each entry in this [phy_type_low, phy_type_high] structure will
2546 * present a certain link speed. This helper function will turn on bits
2547 * in [phy_type_low, phy_type_high] structure based on the value of
2548 * link_speeds_bitmap input parameter.
2551 ice_update_phy_type(u64 *phy_type_low, u64 *phy_type_high,
2552 u16 link_speeds_bitmap)
2559 /* We first check with low part of phy_type */
2560 for (index = 0; index <= ICE_PHY_TYPE_LOW_MAX_INDEX; index++) {
2561 pt_low = BIT_ULL(index);
2562 speed = ice_get_link_speed_based_on_phy_type(pt_low, 0);
2564 if (link_speeds_bitmap & speed)
2565 *phy_type_low |= BIT_ULL(index);
2568 /* We then check with high part of phy_type */
2569 for (index = 0; index <= ICE_PHY_TYPE_HIGH_MAX_INDEX; index++) {
2570 pt_high = BIT_ULL(index);
2571 speed = ice_get_link_speed_based_on_phy_type(0, pt_high);
2573 if (link_speeds_bitmap & speed)
2574 *phy_type_high |= BIT_ULL(index);
2579 * ice_aq_set_phy_cfg
2580 * @hw: pointer to the HW struct
2581 * @pi: port info structure of the interested logical port
2582 * @cfg: structure with PHY configuration data to be set
2583 * @cd: pointer to command details structure or NULL
2585 * Set the various PHY configuration parameters supported on the Port.
2586 * One or more of the Set PHY config parameters may be ignored in an MFP
2587 * mode as the PF may not have the privilege to set some of the PHY Config
2588 * parameters. This status will be indicated by the command response (0x0601).
2591 ice_aq_set_phy_cfg(struct ice_hw *hw, struct ice_port_info *pi,
2592 struct ice_aqc_set_phy_cfg_data *cfg, struct ice_sq_cd *cd)
2594 struct ice_aq_desc desc;
2595 enum ice_status status;
2598 return ICE_ERR_PARAM;
2600 /* Ensure that only valid bits of cfg->caps can be turned on. */
2601 if (cfg->caps & ~ICE_AQ_PHY_ENA_VALID_MASK) {
2602 ice_debug(hw, ICE_DBG_PHY,
2603 "Invalid bit is set in ice_aqc_set_phy_cfg_data->caps : 0x%x\n",
2606 cfg->caps &= ICE_AQ_PHY_ENA_VALID_MASK;
2609 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_phy_cfg);
2610 desc.params.set_phy.lport_num = pi->lport;
2611 desc.flags |= CPU_TO_LE16(ICE_AQ_FLAG_RD);
2613 ice_debug(hw, ICE_DBG_LINK, "set phy cfg\n");
2614 ice_debug(hw, ICE_DBG_LINK, " phy_type_low = 0x%llx\n",
2615 (unsigned long long)LE64_TO_CPU(cfg->phy_type_low));
2616 ice_debug(hw, ICE_DBG_LINK, " phy_type_high = 0x%llx\n",
2617 (unsigned long long)LE64_TO_CPU(cfg->phy_type_high));
2618 ice_debug(hw, ICE_DBG_LINK, " caps = 0x%x\n", cfg->caps);
2619 ice_debug(hw, ICE_DBG_LINK, " low_power_ctrl_an = 0x%x\n",
2620 cfg->low_power_ctrl_an);
2621 ice_debug(hw, ICE_DBG_LINK, " eee_cap = 0x%x\n", cfg->eee_cap);
2622 ice_debug(hw, ICE_DBG_LINK, " eeer_value = 0x%x\n", cfg->eeer_value);
2623 ice_debug(hw, ICE_DBG_LINK, " link_fec_opt = 0x%x\n",
2626 status = ice_aq_send_cmd(hw, &desc, cfg, sizeof(*cfg), cd);
2628 if (hw->adminq.sq_last_status == ICE_AQ_RC_EMODE)
2629 status = ICE_SUCCESS;
2632 pi->phy.curr_user_phy_cfg = *cfg;
2638 * ice_update_link_info - update status of the HW network link
2639 * @pi: port info structure of the interested logical port
2641 enum ice_status ice_update_link_info(struct ice_port_info *pi)
2643 struct ice_link_status *li;
2644 enum ice_status status;
2647 return ICE_ERR_PARAM;
2649 li = &pi->phy.link_info;
2651 status = ice_aq_get_link_info(pi, true, NULL, NULL);
2655 if (li->link_info & ICE_AQ_MEDIA_AVAILABLE) {
2656 struct ice_aqc_get_phy_caps_data *pcaps;
2660 pcaps = (struct ice_aqc_get_phy_caps_data *)
2661 ice_malloc(hw, sizeof(*pcaps));
2663 return ICE_ERR_NO_MEMORY;
2665 status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_TOPO_CAP,
2668 ice_free(hw, pcaps);
2675 * ice_cache_phy_user_req
2676 * @pi: port information structure
2677 * @cache_data: PHY logging data
2678 * @cache_mode: PHY logging mode
2680 * Log the user request on (FC, FEC, SPEED) for later user.
2683 ice_cache_phy_user_req(struct ice_port_info *pi,
2684 struct ice_phy_cache_mode_data cache_data,
2685 enum ice_phy_cache_mode cache_mode)
2690 switch (cache_mode) {
2692 pi->phy.curr_user_fc_req = cache_data.data.curr_user_fc_req;
2694 case ICE_SPEED_MODE:
2695 pi->phy.curr_user_speed_req =
2696 cache_data.data.curr_user_speed_req;
2699 pi->phy.curr_user_fec_req = cache_data.data.curr_user_fec_req;
2707 * ice_caps_to_fc_mode
2708 * @caps: PHY capabilities
2710 * Convert PHY FC capabilities to ice FC mode
2712 enum ice_fc_mode ice_caps_to_fc_mode(u8 caps)
2714 if (caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE &&
2715 caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE)
2718 if (caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE)
2719 return ICE_FC_TX_PAUSE;
2721 if (caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE)
2722 return ICE_FC_RX_PAUSE;
2728 * ice_caps_to_fec_mode
2729 * @caps: PHY capabilities
2730 * @fec_options: Link FEC options
2732 * Convert PHY FEC capabilities to ice FEC mode
2734 enum ice_fec_mode ice_caps_to_fec_mode(u8 caps, u8 fec_options)
2736 if (caps & ICE_AQC_PHY_EN_AUTO_FEC)
2737 return ICE_FEC_AUTO;
2739 if (fec_options & (ICE_AQC_PHY_FEC_10G_KR_40G_KR4_EN |
2740 ICE_AQC_PHY_FEC_10G_KR_40G_KR4_REQ |
2741 ICE_AQC_PHY_FEC_25G_KR_CLAUSE74_EN |
2742 ICE_AQC_PHY_FEC_25G_KR_REQ))
2743 return ICE_FEC_BASER;
2745 if (fec_options & (ICE_AQC_PHY_FEC_25G_RS_528_REQ |
2746 ICE_AQC_PHY_FEC_25G_RS_544_REQ |
2747 ICE_AQC_PHY_FEC_25G_RS_CLAUSE91_EN))
2750 return ICE_FEC_NONE;
2753 static enum ice_status
2754 ice_cfg_phy_fc(struct ice_port_info *pi, struct ice_aqc_set_phy_cfg_data *cfg,
2755 enum ice_fc_mode req_mode)
2757 struct ice_phy_cache_mode_data cache_data;
2758 u8 pause_mask = 0x0;
2761 return ICE_ERR_BAD_PTR;
2766 struct ice_aqc_get_phy_caps_data *pcaps;
2767 enum ice_status status;
2769 pcaps = (struct ice_aqc_get_phy_caps_data *)
2770 ice_malloc(pi->hw, sizeof(*pcaps));
2772 return ICE_ERR_NO_MEMORY;
2774 /* Query the value of FC that both the NIC and attached media
2777 status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_TOPO_CAP,
2780 ice_free(pi->hw, pcaps);
2784 pause_mask |= pcaps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE;
2785 pause_mask |= pcaps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE;
2787 ice_free(pi->hw, pcaps);
2791 pause_mask |= ICE_AQC_PHY_EN_TX_LINK_PAUSE;
2792 pause_mask |= ICE_AQC_PHY_EN_RX_LINK_PAUSE;
2794 case ICE_FC_RX_PAUSE:
2795 pause_mask |= ICE_AQC_PHY_EN_RX_LINK_PAUSE;
2797 case ICE_FC_TX_PAUSE:
2798 pause_mask |= ICE_AQC_PHY_EN_TX_LINK_PAUSE;
2804 /* clear the old pause settings */
2805 cfg->caps &= ~(ICE_AQC_PHY_EN_TX_LINK_PAUSE |
2806 ICE_AQC_PHY_EN_RX_LINK_PAUSE);
2808 /* set the new capabilities */
2809 cfg->caps |= pause_mask;
2811 /* Cache user FC request */
2812 cache_data.data.curr_user_fc_req = req_mode;
2813 ice_cache_phy_user_req(pi, cache_data, ICE_FC_MODE);
2820 * @pi: port information structure
2821 * @aq_failures: pointer to status code, specific to ice_set_fc routine
2822 * @ena_auto_link_update: enable automatic link update
2824 * Set the requested flow control mode.
2827 ice_set_fc(struct ice_port_info *pi, u8 *aq_failures, bool ena_auto_link_update)
2829 struct ice_aqc_set_phy_cfg_data cfg = { 0 };
2830 struct ice_aqc_get_phy_caps_data *pcaps;
2831 enum ice_status status;
2834 if (!pi || !aq_failures)
2835 return ICE_ERR_BAD_PTR;
2840 pcaps = (struct ice_aqc_get_phy_caps_data *)
2841 ice_malloc(hw, sizeof(*pcaps));
2843 return ICE_ERR_NO_MEMORY;
2845 /* Get the current PHY config */
2846 status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_SW_CFG, pcaps,
2849 *aq_failures = ICE_SET_FC_AQ_FAIL_GET;
2853 ice_copy_phy_caps_to_cfg(pi, pcaps, &cfg);
2855 /* Configure the set PHY data */
2856 status = ice_cfg_phy_fc(pi, &cfg, pi->fc.req_mode);
2858 if (status != ICE_ERR_BAD_PTR)
2859 *aq_failures = ICE_SET_FC_AQ_FAIL_GET;
2864 /* If the capabilities have changed, then set the new config */
2865 if (cfg.caps != pcaps->caps) {
2866 int retry_count, retry_max = 10;
2868 /* Auto restart link so settings take effect */
2869 if (ena_auto_link_update)
2870 cfg.caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT;
2872 status = ice_aq_set_phy_cfg(hw, pi, &cfg, NULL);
2874 *aq_failures = ICE_SET_FC_AQ_FAIL_SET;
2878 /* Update the link info
2879 * It sometimes takes a really long time for link to
2880 * come back from the atomic reset. Thus, we wait a
2883 for (retry_count = 0; retry_count < retry_max; retry_count++) {
2884 status = ice_update_link_info(pi);
2886 if (status == ICE_SUCCESS)
2889 ice_msec_delay(100, true);
2893 *aq_failures = ICE_SET_FC_AQ_FAIL_UPDATE;
2897 ice_free(hw, pcaps);
2902 * ice_phy_caps_equals_cfg
2903 * @phy_caps: PHY capabilities
2904 * @phy_cfg: PHY configuration
2906 * Helper function to determine if PHY capabilities matches PHY
2910 ice_phy_caps_equals_cfg(struct ice_aqc_get_phy_caps_data *phy_caps,
2911 struct ice_aqc_set_phy_cfg_data *phy_cfg)
2913 u8 caps_mask, cfg_mask;
2915 if (!phy_caps || !phy_cfg)
2918 /* These bits are not common between capabilities and configuration.
2919 * Do not use them to determine equality.
2921 caps_mask = ICE_AQC_PHY_CAPS_MASK & ~(ICE_AQC_PHY_AN_MODE |
2922 ICE_AQC_PHY_EN_MOD_QUAL);
2923 cfg_mask = ICE_AQ_PHY_ENA_VALID_MASK & ~ICE_AQ_PHY_ENA_AUTO_LINK_UPDT;
2925 if (phy_caps->phy_type_low != phy_cfg->phy_type_low ||
2926 phy_caps->phy_type_high != phy_cfg->phy_type_high ||
2927 ((phy_caps->caps & caps_mask) != (phy_cfg->caps & cfg_mask)) ||
2928 phy_caps->low_power_ctrl_an != phy_cfg->low_power_ctrl_an ||
2929 phy_caps->eee_cap != phy_cfg->eee_cap ||
2930 phy_caps->eeer_value != phy_cfg->eeer_value ||
2931 phy_caps->link_fec_options != phy_cfg->link_fec_opt)
2938 * ice_copy_phy_caps_to_cfg - Copy PHY ability data to configuration data
2939 * @pi: port information structure
2940 * @caps: PHY ability structure to copy date from
2941 * @cfg: PHY configuration structure to copy data to
2943 * Helper function to copy AQC PHY get ability data to PHY set configuration
2947 ice_copy_phy_caps_to_cfg(struct ice_port_info *pi,
2948 struct ice_aqc_get_phy_caps_data *caps,
2949 struct ice_aqc_set_phy_cfg_data *cfg)
2951 if (!pi || !caps || !cfg)
2954 ice_memset(cfg, 0, sizeof(*cfg), ICE_NONDMA_MEM);
2955 cfg->phy_type_low = caps->phy_type_low;
2956 cfg->phy_type_high = caps->phy_type_high;
2957 cfg->caps = caps->caps;
2958 cfg->low_power_ctrl_an = caps->low_power_ctrl_an;
2959 cfg->eee_cap = caps->eee_cap;
2960 cfg->eeer_value = caps->eeer_value;
2961 cfg->link_fec_opt = caps->link_fec_options;
2962 cfg->module_compliance_enforcement =
2963 caps->module_compliance_enforcement;
2965 if (ice_fw_supports_link_override(pi->hw)) {
2966 struct ice_link_default_override_tlv tlv;
2968 if (ice_get_link_default_override(&tlv, pi))
2971 if (tlv.options & ICE_LINK_OVERRIDE_STRICT_MODE)
2972 cfg->module_compliance_enforcement |=
2973 ICE_LINK_OVERRIDE_STRICT_MODE;
2978 * ice_cfg_phy_fec - Configure PHY FEC data based on FEC mode
2979 * @pi: port information structure
2980 * @cfg: PHY configuration data to set FEC mode
2981 * @fec: FEC mode to configure
2984 ice_cfg_phy_fec(struct ice_port_info *pi, struct ice_aqc_set_phy_cfg_data *cfg,
2985 enum ice_fec_mode fec)
2987 struct ice_aqc_get_phy_caps_data *pcaps;
2988 enum ice_status status = ICE_SUCCESS;
2992 return ICE_ERR_BAD_PTR;
2996 pcaps = (struct ice_aqc_get_phy_caps_data *)
2997 ice_malloc(hw, sizeof(*pcaps));
2999 return ICE_ERR_NO_MEMORY;
3001 status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_TOPO_CAP, pcaps,
3006 cfg->caps |= (pcaps->caps & ICE_AQC_PHY_EN_AUTO_FEC);
3007 cfg->link_fec_opt = pcaps->link_fec_options;
3011 /* Clear RS bits, and AND BASE-R ability
3012 * bits and OR request bits.
3014 cfg->link_fec_opt &= ICE_AQC_PHY_FEC_10G_KR_40G_KR4_EN |
3015 ICE_AQC_PHY_FEC_25G_KR_CLAUSE74_EN;
3016 cfg->link_fec_opt |= ICE_AQC_PHY_FEC_10G_KR_40G_KR4_REQ |
3017 ICE_AQC_PHY_FEC_25G_KR_REQ;
3020 /* Clear BASE-R bits, and AND RS ability
3021 * bits and OR request bits.
3023 cfg->link_fec_opt &= ICE_AQC_PHY_FEC_25G_RS_CLAUSE91_EN;
3024 cfg->link_fec_opt |= ICE_AQC_PHY_FEC_25G_RS_528_REQ |
3025 ICE_AQC_PHY_FEC_25G_RS_544_REQ;
3028 /* Clear all FEC option bits. */
3029 cfg->link_fec_opt &= ~ICE_AQC_PHY_FEC_MASK;
3032 /* AND auto FEC bit, and all caps bits. */
3033 cfg->caps &= ICE_AQC_PHY_CAPS_MASK;
3034 cfg->link_fec_opt |= pcaps->link_fec_options;
3037 status = ICE_ERR_PARAM;
3041 if (fec == ICE_FEC_AUTO && ice_fw_supports_link_override(pi->hw)) {
3042 struct ice_link_default_override_tlv tlv;
3044 if (ice_get_link_default_override(&tlv, pi))
3047 if (!(tlv.options & ICE_LINK_OVERRIDE_STRICT_MODE) &&
3048 (tlv.options & ICE_LINK_OVERRIDE_EN))
3049 cfg->link_fec_opt = tlv.fec_options;
3053 ice_free(hw, pcaps);
3059 * ice_get_link_status - get status of the HW network link
3060 * @pi: port information structure
3061 * @link_up: pointer to bool (true/false = linkup/linkdown)
3063 * Variable link_up is true if link is up, false if link is down.
3064 * The variable link_up is invalid if status is non zero. As a
3065 * result of this call, link status reporting becomes enabled
3067 enum ice_status ice_get_link_status(struct ice_port_info *pi, bool *link_up)
3069 struct ice_phy_info *phy_info;
3070 enum ice_status status = ICE_SUCCESS;
3072 if (!pi || !link_up)
3073 return ICE_ERR_PARAM;
3075 phy_info = &pi->phy;
3077 if (phy_info->get_link_info) {
3078 status = ice_update_link_info(pi);
3081 ice_debug(pi->hw, ICE_DBG_LINK,
3082 "get link status error, status = %d\n",
3086 *link_up = phy_info->link_info.link_info & ICE_AQ_LINK_UP;
3092 * ice_aq_set_link_restart_an
3093 * @pi: pointer to the port information structure
3094 * @ena_link: if true: enable link, if false: disable link
3095 * @cd: pointer to command details structure or NULL
3097 * Sets up the link and restarts the Auto-Negotiation over the link.
3100 ice_aq_set_link_restart_an(struct ice_port_info *pi, bool ena_link,
3101 struct ice_sq_cd *cd)
3103 struct ice_aqc_restart_an *cmd;
3104 struct ice_aq_desc desc;
3106 cmd = &desc.params.restart_an;
3108 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_restart_an);
3110 cmd->cmd_flags = ICE_AQC_RESTART_AN_LINK_RESTART;
3111 cmd->lport_num = pi->lport;
3113 cmd->cmd_flags |= ICE_AQC_RESTART_AN_LINK_ENABLE;
3115 cmd->cmd_flags &= ~ICE_AQC_RESTART_AN_LINK_ENABLE;
3117 return ice_aq_send_cmd(pi->hw, &desc, NULL, 0, cd);
3121 * ice_aq_set_event_mask
3122 * @hw: pointer to the HW struct
3123 * @port_num: port number of the physical function
3124 * @mask: event mask to be set
3125 * @cd: pointer to command details structure or NULL
3127 * Set event mask (0x0613)
3130 ice_aq_set_event_mask(struct ice_hw *hw, u8 port_num, u16 mask,
3131 struct ice_sq_cd *cd)
3133 struct ice_aqc_set_event_mask *cmd;
3134 struct ice_aq_desc desc;
3136 cmd = &desc.params.set_event_mask;
3138 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_event_mask);
3140 cmd->lport_num = port_num;
3142 cmd->event_mask = CPU_TO_LE16(mask);
3143 return ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
3147 * ice_aq_set_mac_loopback
3148 * @hw: pointer to the HW struct
3149 * @ena_lpbk: Enable or Disable loopback
3150 * @cd: pointer to command details structure or NULL
3152 * Enable/disable loopback on a given port
3155 ice_aq_set_mac_loopback(struct ice_hw *hw, bool ena_lpbk, struct ice_sq_cd *cd)
3157 struct ice_aqc_set_mac_lb *cmd;
3158 struct ice_aq_desc desc;
3160 cmd = &desc.params.set_mac_lb;
3162 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_mac_lb);
3164 cmd->lb_mode = ICE_AQ_MAC_LB_EN;
3166 return ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
3170 * ice_aq_set_port_id_led
3171 * @pi: pointer to the port information
3172 * @is_orig_mode: is this LED set to original mode (by the net-list)
3173 * @cd: pointer to command details structure or NULL
3175 * Set LED value for the given port (0x06e9)
3178 ice_aq_set_port_id_led(struct ice_port_info *pi, bool is_orig_mode,
3179 struct ice_sq_cd *cd)
3181 struct ice_aqc_set_port_id_led *cmd;
3182 struct ice_hw *hw = pi->hw;
3183 struct ice_aq_desc desc;
3185 cmd = &desc.params.set_port_id_led;
3187 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_port_id_led);
3190 cmd->ident_mode = ICE_AQC_PORT_IDENT_LED_ORIG;
3192 cmd->ident_mode = ICE_AQC_PORT_IDENT_LED_BLINK;
3194 return ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
3199 * @hw: pointer to the HW struct
3200 * @lport: bits [7:0] = logical port, bit [8] = logical port valid
3201 * @bus_addr: I2C bus address of the eeprom (typically 0xA0, 0=topo default)
3202 * @mem_addr: I2C offset. lower 8 bits for address, 8 upper bits zero padding.
3204 * @set_page: set or ignore the page
3205 * @data: pointer to data buffer to be read/written to the I2C device.
3206 * @length: 1-16 for read, 1 for write.
3207 * @write: 0 read, 1 for write.
3208 * @cd: pointer to command details structure or NULL
3210 * Read/Write SFF EEPROM (0x06EE)
3213 ice_aq_sff_eeprom(struct ice_hw *hw, u16 lport, u8 bus_addr,
3214 u16 mem_addr, u8 page, u8 set_page, u8 *data, u8 length,
3215 bool write, struct ice_sq_cd *cd)
3217 struct ice_aqc_sff_eeprom *cmd;
3218 struct ice_aq_desc desc;
3219 enum ice_status status;
3221 if (!data || (mem_addr & 0xff00))
3222 return ICE_ERR_PARAM;
3224 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_sff_eeprom);
3225 cmd = &desc.params.read_write_sff_param;
3226 desc.flags = CPU_TO_LE16(ICE_AQ_FLAG_RD | ICE_AQ_FLAG_BUF);
3227 cmd->lport_num = (u8)(lport & 0xff);
3228 cmd->lport_num_valid = (u8)((lport >> 8) & 0x01);
3229 cmd->i2c_bus_addr = CPU_TO_LE16(((bus_addr >> 1) &
3230 ICE_AQC_SFF_I2CBUS_7BIT_M) |
3232 ICE_AQC_SFF_SET_EEPROM_PAGE_S) &
3233 ICE_AQC_SFF_SET_EEPROM_PAGE_M));
3234 cmd->i2c_mem_addr = CPU_TO_LE16(mem_addr & 0xff);
3235 cmd->eeprom_page = CPU_TO_LE16((u16)page << ICE_AQC_SFF_EEPROM_PAGE_S);
3237 cmd->i2c_bus_addr |= CPU_TO_LE16(ICE_AQC_SFF_IS_WRITE);
3239 status = ice_aq_send_cmd(hw, &desc, data, length, cd);
3244 * __ice_aq_get_set_rss_lut
3245 * @hw: pointer to the hardware structure
3246 * @vsi_id: VSI FW index
3247 * @lut_type: LUT table type
3248 * @lut: pointer to the LUT buffer provided by the caller
3249 * @lut_size: size of the LUT buffer
3250 * @glob_lut_idx: global LUT index
3251 * @set: set true to set the table, false to get the table
3253 * Internal function to get (0x0B05) or set (0x0B03) RSS look up table
3255 static enum ice_status
3256 __ice_aq_get_set_rss_lut(struct ice_hw *hw, u16 vsi_id, u8 lut_type, u8 *lut,
3257 u16 lut_size, u8 glob_lut_idx, bool set)
3259 struct ice_aqc_get_set_rss_lut *cmd_resp;
3260 struct ice_aq_desc desc;
3261 enum ice_status status;
3264 cmd_resp = &desc.params.get_set_rss_lut;
3267 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_rss_lut);
3268 desc.flags |= CPU_TO_LE16(ICE_AQ_FLAG_RD);
3270 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_rss_lut);
3273 cmd_resp->vsi_id = CPU_TO_LE16(((vsi_id <<
3274 ICE_AQC_GSET_RSS_LUT_VSI_ID_S) &
3275 ICE_AQC_GSET_RSS_LUT_VSI_ID_M) |
3276 ICE_AQC_GSET_RSS_LUT_VSI_VALID);
3279 case ICE_AQC_GSET_RSS_LUT_TABLE_TYPE_VSI:
3280 case ICE_AQC_GSET_RSS_LUT_TABLE_TYPE_PF:
3281 case ICE_AQC_GSET_RSS_LUT_TABLE_TYPE_GLOBAL:
3282 flags |= ((lut_type << ICE_AQC_GSET_RSS_LUT_TABLE_TYPE_S) &
3283 ICE_AQC_GSET_RSS_LUT_TABLE_TYPE_M);
3286 status = ICE_ERR_PARAM;
3287 goto ice_aq_get_set_rss_lut_exit;
3290 if (lut_type == ICE_AQC_GSET_RSS_LUT_TABLE_TYPE_GLOBAL) {
3291 flags |= ((glob_lut_idx << ICE_AQC_GSET_RSS_LUT_GLOBAL_IDX_S) &
3292 ICE_AQC_GSET_RSS_LUT_GLOBAL_IDX_M);
3295 goto ice_aq_get_set_rss_lut_send;
3296 } else if (lut_type == ICE_AQC_GSET_RSS_LUT_TABLE_TYPE_PF) {
3298 goto ice_aq_get_set_rss_lut_send;
3300 goto ice_aq_get_set_rss_lut_send;
3303 /* LUT size is only valid for Global and PF table types */
3305 case ICE_AQC_GSET_RSS_LUT_TABLE_SIZE_128:
3306 flags |= (ICE_AQC_GSET_RSS_LUT_TABLE_SIZE_128_FLAG <<
3307 ICE_AQC_GSET_RSS_LUT_TABLE_SIZE_S) &
3308 ICE_AQC_GSET_RSS_LUT_TABLE_SIZE_M;
3310 case ICE_AQC_GSET_RSS_LUT_TABLE_SIZE_512:
3311 flags |= (ICE_AQC_GSET_RSS_LUT_TABLE_SIZE_512_FLAG <<
3312 ICE_AQC_GSET_RSS_LUT_TABLE_SIZE_S) &
3313 ICE_AQC_GSET_RSS_LUT_TABLE_SIZE_M;
3315 case ICE_AQC_GSET_RSS_LUT_TABLE_SIZE_2K:
3316 if (lut_type == ICE_AQC_GSET_RSS_LUT_TABLE_TYPE_PF) {
3317 flags |= (ICE_AQC_GSET_RSS_LUT_TABLE_SIZE_2K_FLAG <<
3318 ICE_AQC_GSET_RSS_LUT_TABLE_SIZE_S) &
3319 ICE_AQC_GSET_RSS_LUT_TABLE_SIZE_M;
3324 status = ICE_ERR_PARAM;
3325 goto ice_aq_get_set_rss_lut_exit;
3328 ice_aq_get_set_rss_lut_send:
3329 cmd_resp->flags = CPU_TO_LE16(flags);
3330 status = ice_aq_send_cmd(hw, &desc, lut, lut_size, NULL);
3332 ice_aq_get_set_rss_lut_exit:
3337 * ice_aq_get_rss_lut
3338 * @hw: pointer to the hardware structure
3339 * @vsi_handle: software VSI handle
3340 * @lut_type: LUT table type
3341 * @lut: pointer to the LUT buffer provided by the caller
3342 * @lut_size: size of the LUT buffer
3344 * get the RSS lookup table, PF or VSI type
3347 ice_aq_get_rss_lut(struct ice_hw *hw, u16 vsi_handle, u8 lut_type,
3348 u8 *lut, u16 lut_size)
3350 if (!ice_is_vsi_valid(hw, vsi_handle) || !lut)
3351 return ICE_ERR_PARAM;
3353 return __ice_aq_get_set_rss_lut(hw, ice_get_hw_vsi_num(hw, vsi_handle),
3354 lut_type, lut, lut_size, 0, false);
3358 * ice_aq_set_rss_lut
3359 * @hw: pointer to the hardware structure
3360 * @vsi_handle: software VSI handle
3361 * @lut_type: LUT table type
3362 * @lut: pointer to the LUT buffer provided by the caller
3363 * @lut_size: size of the LUT buffer
3365 * set the RSS lookup table, PF or VSI type
3368 ice_aq_set_rss_lut(struct ice_hw *hw, u16 vsi_handle, u8 lut_type,
3369 u8 *lut, u16 lut_size)
3371 if (!ice_is_vsi_valid(hw, vsi_handle) || !lut)
3372 return ICE_ERR_PARAM;
3374 return __ice_aq_get_set_rss_lut(hw, ice_get_hw_vsi_num(hw, vsi_handle),
3375 lut_type, lut, lut_size, 0, true);
3379 * __ice_aq_get_set_rss_key
3380 * @hw: pointer to the HW struct
3381 * @vsi_id: VSI FW index
3382 * @key: pointer to key info struct
3383 * @set: set true to set the key, false to get the key
3385 * get (0x0B04) or set (0x0B02) the RSS key per VSI
3388 ice_status __ice_aq_get_set_rss_key(struct ice_hw *hw, u16 vsi_id,
3389 struct ice_aqc_get_set_rss_keys *key,
3392 struct ice_aqc_get_set_rss_key *cmd_resp;
3393 u16 key_size = sizeof(*key);
3394 struct ice_aq_desc desc;
3396 cmd_resp = &desc.params.get_set_rss_key;
3399 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_rss_key);
3400 desc.flags |= CPU_TO_LE16(ICE_AQ_FLAG_RD);
3402 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_rss_key);
3405 cmd_resp->vsi_id = CPU_TO_LE16(((vsi_id <<
3406 ICE_AQC_GSET_RSS_KEY_VSI_ID_S) &
3407 ICE_AQC_GSET_RSS_KEY_VSI_ID_M) |
3408 ICE_AQC_GSET_RSS_KEY_VSI_VALID);
3410 return ice_aq_send_cmd(hw, &desc, key, key_size, NULL);
3414 * ice_aq_get_rss_key
3415 * @hw: pointer to the HW struct
3416 * @vsi_handle: software VSI handle
3417 * @key: pointer to key info struct
3419 * get the RSS key per VSI
3422 ice_aq_get_rss_key(struct ice_hw *hw, u16 vsi_handle,
3423 struct ice_aqc_get_set_rss_keys *key)
3425 if (!ice_is_vsi_valid(hw, vsi_handle) || !key)
3426 return ICE_ERR_PARAM;
3428 return __ice_aq_get_set_rss_key(hw, ice_get_hw_vsi_num(hw, vsi_handle),
3433 * ice_aq_set_rss_key
3434 * @hw: pointer to the HW struct
3435 * @vsi_handle: software VSI handle
3436 * @keys: pointer to key info struct
3438 * set the RSS key per VSI
3441 ice_aq_set_rss_key(struct ice_hw *hw, u16 vsi_handle,
3442 struct ice_aqc_get_set_rss_keys *keys)
3444 if (!ice_is_vsi_valid(hw, vsi_handle) || !keys)
3445 return ICE_ERR_PARAM;
3447 return __ice_aq_get_set_rss_key(hw, ice_get_hw_vsi_num(hw, vsi_handle),
3452 * ice_aq_add_lan_txq
3453 * @hw: pointer to the hardware structure
3454 * @num_qgrps: Number of added queue groups
3455 * @qg_list: list of queue groups to be added
3456 * @buf_size: size of buffer for indirect command
3457 * @cd: pointer to command details structure or NULL
3459 * Add Tx LAN queue (0x0C30)
3462 * Prior to calling add Tx LAN queue:
3463 * Initialize the following as part of the Tx queue context:
3464 * Completion queue ID if the queue uses Completion queue, Quanta profile,
3465 * Cache profile and Packet shaper profile.
3467 * After add Tx LAN queue AQ command is completed:
3468 * Interrupts should be associated with specific queues,
3469 * Association of Tx queue to Doorbell queue is not part of Add LAN Tx queue
3473 ice_aq_add_lan_txq(struct ice_hw *hw, u8 num_qgrps,
3474 struct ice_aqc_add_tx_qgrp *qg_list, u16 buf_size,
3475 struct ice_sq_cd *cd)
3477 u16 i, sum_header_size, sum_q_size = 0;
3478 struct ice_aqc_add_tx_qgrp *list;
3479 struct ice_aqc_add_txqs *cmd;
3480 struct ice_aq_desc desc;
3482 ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__);
3484 cmd = &desc.params.add_txqs;
3486 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_add_txqs);
3489 return ICE_ERR_PARAM;
3491 if (num_qgrps > ICE_LAN_TXQ_MAX_QGRPS)
3492 return ICE_ERR_PARAM;
3494 sum_header_size = num_qgrps *
3495 (sizeof(*qg_list) - sizeof(*qg_list->txqs));
3498 for (i = 0; i < num_qgrps; i++) {
3499 struct ice_aqc_add_txqs_perq *q = list->txqs;
3501 sum_q_size += list->num_txqs * sizeof(*q);
3502 list = (struct ice_aqc_add_tx_qgrp *)(q + list->num_txqs);
3505 if (buf_size != (sum_header_size + sum_q_size))
3506 return ICE_ERR_PARAM;
3508 desc.flags |= CPU_TO_LE16(ICE_AQ_FLAG_RD);
3510 cmd->num_qgrps = num_qgrps;
3512 return ice_aq_send_cmd(hw, &desc, qg_list, buf_size, cd);
3516 * ice_aq_dis_lan_txq
3517 * @hw: pointer to the hardware structure
3518 * @num_qgrps: number of groups in the list
3519 * @qg_list: the list of groups to disable
3520 * @buf_size: the total size of the qg_list buffer in bytes
3521 * @rst_src: if called due to reset, specifies the reset source
3522 * @vmvf_num: the relative VM or VF number that is undergoing the reset
3523 * @cd: pointer to command details structure or NULL
3525 * Disable LAN Tx queue (0x0C31)
3527 static enum ice_status
3528 ice_aq_dis_lan_txq(struct ice_hw *hw, u8 num_qgrps,
3529 struct ice_aqc_dis_txq_item *qg_list, u16 buf_size,
3530 enum ice_disq_rst_src rst_src, u16 vmvf_num,
3531 struct ice_sq_cd *cd)
3533 struct ice_aqc_dis_txqs *cmd;
3534 struct ice_aq_desc desc;
3535 enum ice_status status;
3538 ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__);
3539 cmd = &desc.params.dis_txqs;
3540 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_dis_txqs);
3542 /* qg_list can be NULL only in VM/VF reset flow */
3543 if (!qg_list && !rst_src)
3544 return ICE_ERR_PARAM;
3546 if (num_qgrps > ICE_LAN_TXQ_MAX_QGRPS)
3547 return ICE_ERR_PARAM;
3549 cmd->num_entries = num_qgrps;
3551 cmd->vmvf_and_timeout = CPU_TO_LE16((5 << ICE_AQC_Q_DIS_TIMEOUT_S) &
3552 ICE_AQC_Q_DIS_TIMEOUT_M);
3556 cmd->cmd_type = ICE_AQC_Q_DIS_CMD_VM_RESET;
3557 cmd->vmvf_and_timeout |=
3558 CPU_TO_LE16(vmvf_num & ICE_AQC_Q_DIS_VMVF_NUM_M);
3565 /* flush pipe on time out */
3566 cmd->cmd_type |= ICE_AQC_Q_DIS_CMD_FLUSH_PIPE;
3567 /* If no queue group info, we are in a reset flow. Issue the AQ */
3571 /* set RD bit to indicate that command buffer is provided by the driver
3572 * and it needs to be read by the firmware
3574 desc.flags |= CPU_TO_LE16(ICE_AQ_FLAG_RD);
3576 for (i = 0; i < num_qgrps; ++i) {
3577 /* Calculate the size taken up by the queue IDs in this group */
3578 sz += qg_list[i].num_qs * sizeof(qg_list[i].q_id);
3580 /* Add the size of the group header */
3581 sz += sizeof(qg_list[i]) - sizeof(qg_list[i].q_id);
3583 /* If the num of queues is even, add 2 bytes of padding */
3584 if ((qg_list[i].num_qs % 2) == 0)
3589 return ICE_ERR_PARAM;
3592 status = ice_aq_send_cmd(hw, &desc, qg_list, buf_size, cd);
3595 ice_debug(hw, ICE_DBG_SCHED, "VM%d disable failed %d\n",
3596 vmvf_num, hw->adminq.sq_last_status);
3598 ice_debug(hw, ICE_DBG_SCHED, "disable queue %d failed %d\n",
3599 LE16_TO_CPU(qg_list[0].q_id[0]),
3600 hw->adminq.sq_last_status);
3606 * ice_aq_move_recfg_lan_txq
3607 * @hw: pointer to the hardware structure
3608 * @num_qs: number of queues to move/reconfigure
3609 * @is_move: true if this operation involves node movement
3610 * @is_tc_change: true if this operation involves a TC change
3611 * @subseq_call: true if this operation is a subsequent call
3612 * @flush_pipe: on timeout, true to flush pipe, false to return EAGAIN
3613 * @timeout: timeout in units of 100 usec (valid values 0-50)
3614 * @blocked_cgds: out param, bitmap of CGDs that timed out if returning EAGAIN
3615 * @buf: struct containing src/dest TEID and per-queue info
3616 * @buf_size: size of buffer for indirect command
3617 * @txqs_moved: out param, number of queues successfully moved
3618 * @cd: pointer to command details structure or NULL
3620 * Move / Reconfigure Tx LAN queues (0x0C32)
3623 ice_aq_move_recfg_lan_txq(struct ice_hw *hw, u8 num_qs, bool is_move,
3624 bool is_tc_change, bool subseq_call, bool flush_pipe,
3625 u8 timeout, u32 *blocked_cgds,
3626 struct ice_aqc_move_txqs_data *buf, u16 buf_size,
3627 u8 *txqs_moved, struct ice_sq_cd *cd)
3629 struct ice_aqc_move_txqs *cmd;
3630 struct ice_aq_desc desc;
3631 enum ice_status status;
3633 cmd = &desc.params.move_txqs;
3634 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_move_recfg_txqs);
3636 #define ICE_LAN_TXQ_MOVE_TIMEOUT_MAX 50
3637 if (timeout > ICE_LAN_TXQ_MOVE_TIMEOUT_MAX)
3638 return ICE_ERR_PARAM;
3640 if (is_tc_change && !flush_pipe && !blocked_cgds)
3641 return ICE_ERR_PARAM;
3643 if (!is_move && !is_tc_change)
3644 return ICE_ERR_PARAM;
3646 desc.flags |= CPU_TO_LE16(ICE_AQ_FLAG_RD);
3649 cmd->cmd_type |= ICE_AQC_Q_CMD_TYPE_MOVE;
3652 cmd->cmd_type |= ICE_AQC_Q_CMD_TYPE_TC_CHANGE;
3655 cmd->cmd_type |= ICE_AQC_Q_CMD_SUBSEQ_CALL;
3658 cmd->cmd_type |= ICE_AQC_Q_CMD_FLUSH_PIPE;
3660 cmd->num_qs = num_qs;
3661 cmd->timeout = ((timeout << ICE_AQC_Q_CMD_TIMEOUT_S) &
3662 ICE_AQC_Q_CMD_TIMEOUT_M);
3664 status = ice_aq_send_cmd(hw, &desc, buf, buf_size, cd);
3666 if (!status && txqs_moved)
3667 *txqs_moved = cmd->num_qs;
3669 if (hw->adminq.sq_last_status == ICE_AQ_RC_EAGAIN &&
3670 is_tc_change && !flush_pipe)
3671 *blocked_cgds = LE32_TO_CPU(cmd->blocked_cgds);
3676 /* End of FW Admin Queue command wrappers */
3679 * ice_write_byte - write a byte to a packed context structure
3680 * @src_ctx: the context structure to read from
3681 * @dest_ctx: the context to be written to
3682 * @ce_info: a description of the struct to be filled
3685 ice_write_byte(u8 *src_ctx, u8 *dest_ctx, const struct ice_ctx_ele *ce_info)
3687 u8 src_byte, dest_byte, mask;
3691 /* copy from the next struct field */
3692 from = src_ctx + ce_info->offset;
3694 /* prepare the bits and mask */
3695 shift_width = ce_info->lsb % 8;
3696 mask = (u8)(BIT(ce_info->width) - 1);
3701 /* shift to correct alignment */
3702 mask <<= shift_width;
3703 src_byte <<= shift_width;
3705 /* get the current bits from the target bit string */
3706 dest = dest_ctx + (ce_info->lsb / 8);
3708 ice_memcpy(&dest_byte, dest, sizeof(dest_byte), ICE_DMA_TO_NONDMA);
3710 dest_byte &= ~mask; /* get the bits not changing */
3711 dest_byte |= src_byte; /* add in the new bits */
3713 /* put it all back */
3714 ice_memcpy(dest, &dest_byte, sizeof(dest_byte), ICE_NONDMA_TO_DMA);
3718 * ice_write_word - write a word to a packed context structure
3719 * @src_ctx: the context structure to read from
3720 * @dest_ctx: the context to be written to
3721 * @ce_info: a description of the struct to be filled
3724 ice_write_word(u8 *src_ctx, u8 *dest_ctx, const struct ice_ctx_ele *ce_info)
3731 /* copy from the next struct field */
3732 from = src_ctx + ce_info->offset;
3734 /* prepare the bits and mask */
3735 shift_width = ce_info->lsb % 8;
3736 mask = BIT(ce_info->width) - 1;
3738 /* don't swizzle the bits until after the mask because the mask bits
3739 * will be in a different bit position on big endian machines
3741 src_word = *(u16 *)from;
3744 /* shift to correct alignment */
3745 mask <<= shift_width;
3746 src_word <<= shift_width;
3748 /* get the current bits from the target bit string */
3749 dest = dest_ctx + (ce_info->lsb / 8);
3751 ice_memcpy(&dest_word, dest, sizeof(dest_word), ICE_DMA_TO_NONDMA);
3753 dest_word &= ~(CPU_TO_LE16(mask)); /* get the bits not changing */
3754 dest_word |= CPU_TO_LE16(src_word); /* add in the new bits */
3756 /* put it all back */
3757 ice_memcpy(dest, &dest_word, sizeof(dest_word), ICE_NONDMA_TO_DMA);
3761 * ice_write_dword - write a dword to a packed context structure
3762 * @src_ctx: the context structure to read from
3763 * @dest_ctx: the context to be written to
3764 * @ce_info: a description of the struct to be filled
3767 ice_write_dword(u8 *src_ctx, u8 *dest_ctx, const struct ice_ctx_ele *ce_info)
3769 u32 src_dword, mask;
3774 /* copy from the next struct field */
3775 from = src_ctx + ce_info->offset;
3777 /* prepare the bits and mask */
3778 shift_width = ce_info->lsb % 8;
3780 /* if the field width is exactly 32 on an x86 machine, then the shift
3781 * operation will not work because the SHL instructions count is masked
3782 * to 5 bits so the shift will do nothing
3784 if (ce_info->width < 32)
3785 mask = BIT(ce_info->width) - 1;
3789 /* don't swizzle the bits until after the mask because the mask bits
3790 * will be in a different bit position on big endian machines
3792 src_dword = *(u32 *)from;
3795 /* shift to correct alignment */
3796 mask <<= shift_width;
3797 src_dword <<= shift_width;
3799 /* get the current bits from the target bit string */
3800 dest = dest_ctx + (ce_info->lsb / 8);
3802 ice_memcpy(&dest_dword, dest, sizeof(dest_dword), ICE_DMA_TO_NONDMA);
3804 dest_dword &= ~(CPU_TO_LE32(mask)); /* get the bits not changing */
3805 dest_dword |= CPU_TO_LE32(src_dword); /* add in the new bits */
3807 /* put it all back */
3808 ice_memcpy(dest, &dest_dword, sizeof(dest_dword), ICE_NONDMA_TO_DMA);
3812 * ice_write_qword - write a qword to a packed context structure
3813 * @src_ctx: the context structure to read from
3814 * @dest_ctx: the context to be written to
3815 * @ce_info: a description of the struct to be filled
3818 ice_write_qword(u8 *src_ctx, u8 *dest_ctx, const struct ice_ctx_ele *ce_info)
3820 u64 src_qword, mask;
3825 /* copy from the next struct field */
3826 from = src_ctx + ce_info->offset;
3828 /* prepare the bits and mask */
3829 shift_width = ce_info->lsb % 8;
3831 /* if the field width is exactly 64 on an x86 machine, then the shift
3832 * operation will not work because the SHL instructions count is masked
3833 * to 6 bits so the shift will do nothing
3835 if (ce_info->width < 64)
3836 mask = BIT_ULL(ce_info->width) - 1;
3840 /* don't swizzle the bits until after the mask because the mask bits
3841 * will be in a different bit position on big endian machines
3843 src_qword = *(u64 *)from;
3846 /* shift to correct alignment */
3847 mask <<= shift_width;
3848 src_qword <<= shift_width;
3850 /* get the current bits from the target bit string */
3851 dest = dest_ctx + (ce_info->lsb / 8);
3853 ice_memcpy(&dest_qword, dest, sizeof(dest_qword), ICE_DMA_TO_NONDMA);
3855 dest_qword &= ~(CPU_TO_LE64(mask)); /* get the bits not changing */
3856 dest_qword |= CPU_TO_LE64(src_qword); /* add in the new bits */
3858 /* put it all back */
3859 ice_memcpy(dest, &dest_qword, sizeof(dest_qword), ICE_NONDMA_TO_DMA);
3863 * ice_set_ctx - set context bits in packed structure
3864 * @hw: pointer to the hardware structure
3865 * @src_ctx: pointer to a generic non-packed context structure
3866 * @dest_ctx: pointer to memory for the packed structure
3867 * @ce_info: a description of the structure to be transformed
3870 ice_set_ctx(struct ice_hw *hw, u8 *src_ctx, u8 *dest_ctx,
3871 const struct ice_ctx_ele *ce_info)
3875 for (f = 0; ce_info[f].width; f++) {
3876 /* We have to deal with each element of the FW response
3877 * using the correct size so that we are correct regardless
3878 * of the endianness of the machine.
3880 if (ce_info[f].width > (ce_info[f].size_of * BITS_PER_BYTE)) {
3881 ice_debug(hw, ICE_DBG_QCTX,
3882 "Field %d width of %d bits larger than size of %d byte(s) ... skipping write\n",
3883 f, ce_info[f].width, ce_info[f].size_of);
3886 switch (ce_info[f].size_of) {
3888 ice_write_byte(src_ctx, dest_ctx, &ce_info[f]);
3891 ice_write_word(src_ctx, dest_ctx, &ce_info[f]);
3894 ice_write_dword(src_ctx, dest_ctx, &ce_info[f]);
3897 ice_write_qword(src_ctx, dest_ctx, &ce_info[f]);
3900 return ICE_ERR_INVAL_SIZE;
3908 * ice_read_byte - read context byte into struct
3909 * @src_ctx: the context structure to read from
3910 * @dest_ctx: the context to be written to
3911 * @ce_info: a description of the struct to be filled
3914 ice_read_byte(u8 *src_ctx, u8 *dest_ctx, struct ice_ctx_ele *ce_info)
3920 /* prepare the bits and mask */
3921 shift_width = ce_info->lsb % 8;
3922 mask = (u8)(BIT(ce_info->width) - 1);
3924 /* shift to correct alignment */
3925 mask <<= shift_width;
3927 /* get the current bits from the src bit string */
3928 src = src_ctx + (ce_info->lsb / 8);
3930 ice_memcpy(&dest_byte, src, sizeof(dest_byte), ICE_DMA_TO_NONDMA);
3932 dest_byte &= ~(mask);
3934 dest_byte >>= shift_width;
3936 /* get the address from the struct field */
3937 target = dest_ctx + ce_info->offset;
3939 /* put it back in the struct */
3940 ice_memcpy(target, &dest_byte, sizeof(dest_byte), ICE_NONDMA_TO_DMA);
3944 * ice_read_word - read context word into struct
3945 * @src_ctx: the context structure to read from
3946 * @dest_ctx: the context to be written to
3947 * @ce_info: a description of the struct to be filled
3950 ice_read_word(u8 *src_ctx, u8 *dest_ctx, struct ice_ctx_ele *ce_info)
3952 u16 dest_word, mask;
3957 /* prepare the bits and mask */
3958 shift_width = ce_info->lsb % 8;
3959 mask = BIT(ce_info->width) - 1;
3961 /* shift to correct alignment */
3962 mask <<= shift_width;
3964 /* get the current bits from the src bit string */
3965 src = src_ctx + (ce_info->lsb / 8);
3967 ice_memcpy(&src_word, src, sizeof(src_word), ICE_DMA_TO_NONDMA);
3969 /* the data in the memory is stored as little endian so mask it
3972 src_word &= ~(CPU_TO_LE16(mask));
3974 /* get the data back into host order before shifting */
3975 dest_word = LE16_TO_CPU(src_word);
3977 dest_word >>= shift_width;
3979 /* get the address from the struct field */
3980 target = dest_ctx + ce_info->offset;
3982 /* put it back in the struct */
3983 ice_memcpy(target, &dest_word, sizeof(dest_word), ICE_NONDMA_TO_DMA);
3987 * ice_read_dword - read context dword into struct
3988 * @src_ctx: the context structure to read from
3989 * @dest_ctx: the context to be written to
3990 * @ce_info: a description of the struct to be filled
3993 ice_read_dword(u8 *src_ctx, u8 *dest_ctx, struct ice_ctx_ele *ce_info)
3995 u32 dest_dword, mask;
4000 /* prepare the bits and mask */
4001 shift_width = ce_info->lsb % 8;
4003 /* if the field width is exactly 32 on an x86 machine, then the shift
4004 * operation will not work because the SHL instructions count is masked
4005 * to 5 bits so the shift will do nothing
4007 if (ce_info->width < 32)
4008 mask = BIT(ce_info->width) - 1;
4012 /* shift to correct alignment */
4013 mask <<= shift_width;
4015 /* get the current bits from the src bit string */
4016 src = src_ctx + (ce_info->lsb / 8);
4018 ice_memcpy(&src_dword, src, sizeof(src_dword), ICE_DMA_TO_NONDMA);
4020 /* the data in the memory is stored as little endian so mask it
4023 src_dword &= ~(CPU_TO_LE32(mask));
4025 /* get the data back into host order before shifting */
4026 dest_dword = LE32_TO_CPU(src_dword);
4028 dest_dword >>= shift_width;
4030 /* get the address from the struct field */
4031 target = dest_ctx + ce_info->offset;
4033 /* put it back in the struct */
4034 ice_memcpy(target, &dest_dword, sizeof(dest_dword), ICE_NONDMA_TO_DMA);
4038 * ice_read_qword - read context qword into struct
4039 * @src_ctx: the context structure to read from
4040 * @dest_ctx: the context to be written to
4041 * @ce_info: a description of the struct to be filled
4044 ice_read_qword(u8 *src_ctx, u8 *dest_ctx, struct ice_ctx_ele *ce_info)
4046 u64 dest_qword, mask;
4051 /* prepare the bits and mask */
4052 shift_width = ce_info->lsb % 8;
4054 /* if the field width is exactly 64 on an x86 machine, then the shift
4055 * operation will not work because the SHL instructions count is masked
4056 * to 6 bits so the shift will do nothing
4058 if (ce_info->width < 64)
4059 mask = BIT_ULL(ce_info->width) - 1;
4063 /* shift to correct alignment */
4064 mask <<= shift_width;
4066 /* get the current bits from the src bit string */
4067 src = src_ctx + (ce_info->lsb / 8);
4069 ice_memcpy(&src_qword, src, sizeof(src_qword), ICE_DMA_TO_NONDMA);
4071 /* the data in the memory is stored as little endian so mask it
4074 src_qword &= ~(CPU_TO_LE64(mask));
4076 /* get the data back into host order before shifting */
4077 dest_qword = LE64_TO_CPU(src_qword);
4079 dest_qword >>= shift_width;
4081 /* get the address from the struct field */
4082 target = dest_ctx + ce_info->offset;
4084 /* put it back in the struct */
4085 ice_memcpy(target, &dest_qword, sizeof(dest_qword), ICE_NONDMA_TO_DMA);
4089 * ice_get_ctx - extract context bits from a packed structure
4090 * @src_ctx: pointer to a generic packed context structure
4091 * @dest_ctx: pointer to a generic non-packed context structure
4092 * @ce_info: a description of the structure to be read from
4095 ice_get_ctx(u8 *src_ctx, u8 *dest_ctx, struct ice_ctx_ele *ce_info)
4099 for (f = 0; ce_info[f].width; f++) {
4100 switch (ce_info[f].size_of) {
4102 ice_read_byte(src_ctx, dest_ctx, &ce_info[f]);
4105 ice_read_word(src_ctx, dest_ctx, &ce_info[f]);
4108 ice_read_dword(src_ctx, dest_ctx, &ce_info[f]);
4111 ice_read_qword(src_ctx, dest_ctx, &ce_info[f]);
4114 /* nothing to do, just keep going */
4123 * ice_get_lan_q_ctx - get the LAN queue context for the given VSI and TC
4124 * @hw: pointer to the HW struct
4125 * @vsi_handle: software VSI handle
4127 * @q_handle: software queue handle
4130 ice_get_lan_q_ctx(struct ice_hw *hw, u16 vsi_handle, u8 tc, u16 q_handle)
4132 struct ice_vsi_ctx *vsi;
4133 struct ice_q_ctx *q_ctx;
4135 vsi = ice_get_vsi_ctx(hw, vsi_handle);
4138 if (q_handle >= vsi->num_lan_q_entries[tc])
4140 if (!vsi->lan_q_ctx[tc])
4142 q_ctx = vsi->lan_q_ctx[tc];
4143 return &q_ctx[q_handle];
4148 * @pi: port information structure
4149 * @vsi_handle: software VSI handle
4151 * @q_handle: software queue handle
4152 * @num_qgrps: Number of added queue groups
4153 * @buf: list of queue groups to be added
4154 * @buf_size: size of buffer for indirect command
4155 * @cd: pointer to command details structure or NULL
4157 * This function adds one LAN queue
4160 ice_ena_vsi_txq(struct ice_port_info *pi, u16 vsi_handle, u8 tc, u16 q_handle,
4161 u8 num_qgrps, struct ice_aqc_add_tx_qgrp *buf, u16 buf_size,
4162 struct ice_sq_cd *cd)
4164 struct ice_aqc_txsched_elem_data node = { 0 };
4165 struct ice_sched_node *parent;
4166 struct ice_q_ctx *q_ctx;
4167 enum ice_status status;
4170 if (!pi || pi->port_state != ICE_SCHED_PORT_STATE_READY)
4173 if (num_qgrps > 1 || buf->num_txqs > 1)
4174 return ICE_ERR_MAX_LIMIT;
4178 if (!ice_is_vsi_valid(hw, vsi_handle))
4179 return ICE_ERR_PARAM;
4181 ice_acquire_lock(&pi->sched_lock);
4183 q_ctx = ice_get_lan_q_ctx(hw, vsi_handle, tc, q_handle);
4185 ice_debug(hw, ICE_DBG_SCHED, "Enaq: invalid queue handle %d\n",
4187 status = ICE_ERR_PARAM;
4191 /* find a parent node */
4192 parent = ice_sched_get_free_qparent(pi, vsi_handle, tc,
4193 ICE_SCHED_NODE_OWNER_LAN);
4195 status = ICE_ERR_PARAM;
4199 buf->parent_teid = parent->info.node_teid;
4200 node.parent_teid = parent->info.node_teid;
4201 /* Mark that the values in the "generic" section as valid. The default
4202 * value in the "generic" section is zero. This means that :
4203 * - Scheduling mode is Bytes Per Second (BPS), indicated by Bit 0.
4204 * - 0 priority among siblings, indicated by Bit 1-3.
4205 * - WFQ, indicated by Bit 4.
4206 * - 0 Adjustment value is used in PSM credit update flow, indicated by
4208 * - Bit 7 is reserved.
4209 * Without setting the generic section as valid in valid_sections, the
4210 * Admin queue command will fail with error code ICE_AQ_RC_EINVAL.
4212 buf->txqs[0].info.valid_sections =
4213 ICE_AQC_ELEM_VALID_GENERIC | ICE_AQC_ELEM_VALID_CIR |
4214 ICE_AQC_ELEM_VALID_EIR;
4215 buf->txqs[0].info.generic = 0;
4216 buf->txqs[0].info.cir_bw.bw_profile_idx =
4217 CPU_TO_LE16(ICE_SCHED_DFLT_RL_PROF_ID);
4218 buf->txqs[0].info.cir_bw.bw_alloc =
4219 CPU_TO_LE16(ICE_SCHED_DFLT_BW_WT);
4220 buf->txqs[0].info.eir_bw.bw_profile_idx =
4221 CPU_TO_LE16(ICE_SCHED_DFLT_RL_PROF_ID);
4222 buf->txqs[0].info.eir_bw.bw_alloc =
4223 CPU_TO_LE16(ICE_SCHED_DFLT_BW_WT);
4225 /* add the LAN queue */
4226 status = ice_aq_add_lan_txq(hw, num_qgrps, buf, buf_size, cd);
4227 if (status != ICE_SUCCESS) {
4228 ice_debug(hw, ICE_DBG_SCHED, "enable queue %d failed %d\n",
4229 LE16_TO_CPU(buf->txqs[0].txq_id),
4230 hw->adminq.sq_last_status);
4234 node.node_teid = buf->txqs[0].q_teid;
4235 node.data.elem_type = ICE_AQC_ELEM_TYPE_LEAF;
4236 q_ctx->q_handle = q_handle;
4237 q_ctx->q_teid = LE32_TO_CPU(node.node_teid);
4239 /* add a leaf node into scheduler tree queue layer */
4240 status = ice_sched_add_node(pi, hw->num_tx_sched_layers - 1, &node);
4242 status = ice_sched_replay_q_bw(pi, q_ctx);
4245 ice_release_lock(&pi->sched_lock);
4251 * @pi: port information structure
4252 * @vsi_handle: software VSI handle
4254 * @num_queues: number of queues
4255 * @q_handles: pointer to software queue handle array
4256 * @q_ids: pointer to the q_id array
4257 * @q_teids: pointer to queue node teids
4258 * @rst_src: if called due to reset, specifies the reset source
4259 * @vmvf_num: the relative VM or VF number that is undergoing the reset
4260 * @cd: pointer to command details structure or NULL
4262 * This function removes queues and their corresponding nodes in SW DB
4265 ice_dis_vsi_txq(struct ice_port_info *pi, u16 vsi_handle, u8 tc, u8 num_queues,
4266 u16 *q_handles, u16 *q_ids, u32 *q_teids,
4267 enum ice_disq_rst_src rst_src, u16 vmvf_num,
4268 struct ice_sq_cd *cd)
4270 enum ice_status status = ICE_ERR_DOES_NOT_EXIST;
4271 struct ice_aqc_dis_txq_item qg_list;
4272 struct ice_q_ctx *q_ctx;
4275 if (!pi || pi->port_state != ICE_SCHED_PORT_STATE_READY)
4279 /* if queue is disabled already yet the disable queue command
4280 * has to be sent to complete the VF reset, then call
4281 * ice_aq_dis_lan_txq without any queue information
4284 return ice_aq_dis_lan_txq(pi->hw, 0, NULL, 0, rst_src,
4289 ice_acquire_lock(&pi->sched_lock);
4291 for (i = 0; i < num_queues; i++) {
4292 struct ice_sched_node *node;
4294 node = ice_sched_find_node_by_teid(pi->root, q_teids[i]);
4297 q_ctx = ice_get_lan_q_ctx(pi->hw, vsi_handle, tc, q_handles[i]);
4299 ice_debug(pi->hw, ICE_DBG_SCHED, "invalid queue handle%d\n",
4303 if (q_ctx->q_handle != q_handles[i]) {
4304 ice_debug(pi->hw, ICE_DBG_SCHED, "Err:handles %d %d\n",
4305 q_ctx->q_handle, q_handles[i]);
4308 qg_list.parent_teid = node->info.parent_teid;
4310 qg_list.q_id[0] = CPU_TO_LE16(q_ids[i]);
4311 status = ice_aq_dis_lan_txq(pi->hw, 1, &qg_list,
4312 sizeof(qg_list), rst_src, vmvf_num,
4315 if (status != ICE_SUCCESS)
4317 ice_free_sched_node(pi, node);
4318 q_ctx->q_handle = ICE_INVAL_Q_HANDLE;
4320 ice_release_lock(&pi->sched_lock);
4325 * ice_cfg_vsi_qs - configure the new/existing VSI queues
4326 * @pi: port information structure
4327 * @vsi_handle: software VSI handle
4328 * @tc_bitmap: TC bitmap
4329 * @maxqs: max queues array per TC
4330 * @owner: LAN or RDMA
4332 * This function adds/updates the VSI queues per TC.
4334 static enum ice_status
4335 ice_cfg_vsi_qs(struct ice_port_info *pi, u16 vsi_handle, u16 tc_bitmap,
4336 u16 *maxqs, u8 owner)
4338 enum ice_status status = ICE_SUCCESS;
4341 if (!pi || pi->port_state != ICE_SCHED_PORT_STATE_READY)
4344 if (!ice_is_vsi_valid(pi->hw, vsi_handle))
4345 return ICE_ERR_PARAM;
4347 ice_acquire_lock(&pi->sched_lock);
4349 ice_for_each_traffic_class(i) {
4350 /* configuration is possible only if TC node is present */
4351 if (!ice_sched_get_tc_node(pi, i))
4354 status = ice_sched_cfg_vsi(pi, vsi_handle, i, maxqs[i], owner,
4355 ice_is_tc_ena(tc_bitmap, i));
4360 ice_release_lock(&pi->sched_lock);
4365 * ice_cfg_vsi_lan - configure VSI LAN queues
4366 * @pi: port information structure
4367 * @vsi_handle: software VSI handle
4368 * @tc_bitmap: TC bitmap
4369 * @max_lanqs: max LAN queues array per TC
4371 * This function adds/updates the VSI LAN queues per TC.
4374 ice_cfg_vsi_lan(struct ice_port_info *pi, u16 vsi_handle, u16 tc_bitmap,
4377 return ice_cfg_vsi_qs(pi, vsi_handle, tc_bitmap, max_lanqs,
4378 ICE_SCHED_NODE_OWNER_LAN);
4382 * ice_is_main_vsi - checks whether the VSI is main VSI
4383 * @hw: pointer to the HW struct
4384 * @vsi_handle: VSI handle
4386 * Checks whether the VSI is the main VSI (the first PF VSI created on
4389 static bool ice_is_main_vsi(struct ice_hw *hw, u16 vsi_handle)
4391 return vsi_handle == ICE_MAIN_VSI_HANDLE && hw->vsi_ctx[vsi_handle];
4395 * ice_replay_pre_init - replay pre initialization
4396 * @hw: pointer to the HW struct
4397 * @sw: pointer to switch info struct for which function initializes filters
4399 * Initializes required config data for VSI, FD, ACL, and RSS before replay.
4401 static enum ice_status
4402 ice_replay_pre_init(struct ice_hw *hw, struct ice_switch_info *sw)
4406 /* Delete old entries from replay filter list head if there is any */
4407 ice_rm_sw_replay_rule_info(hw, sw);
4408 /* In start of replay, move entries into replay_rules list, it
4409 * will allow adding rules entries back to filt_rules list,
4410 * which is operational list.
4412 for (i = 0; i < ICE_MAX_NUM_RECIPES; i++)
4413 LIST_REPLACE_INIT(&sw->recp_list[i].filt_rules,
4414 &sw->recp_list[i].filt_replay_rules);
4415 ice_sched_replay_agg_vsi_preinit(hw);
4417 return ice_sched_replay_tc_node_bw(hw->port_info);
4421 * ice_replay_vsi - replay VSI configuration
4422 * @hw: pointer to the HW struct
4423 * @vsi_handle: driver VSI handle
4425 * Restore all VSI configuration after reset. It is required to call this
4426 * function with main VSI first.
4428 enum ice_status ice_replay_vsi(struct ice_hw *hw, u16 vsi_handle)
4430 struct ice_switch_info *sw = hw->switch_info;
4431 struct ice_port_info *pi = hw->port_info;
4432 enum ice_status status;
4434 if (!ice_is_vsi_valid(hw, vsi_handle))
4435 return ICE_ERR_PARAM;
4437 /* Replay pre-initialization if there is any */
4438 if (ice_is_main_vsi(hw, vsi_handle)) {
4439 status = ice_replay_pre_init(hw, sw);
4443 /* Replay per VSI all RSS configurations */
4444 status = ice_replay_rss_cfg(hw, vsi_handle);
4447 /* Replay per VSI all filters */
4448 status = ice_replay_vsi_all_fltr(hw, pi, vsi_handle);
4450 status = ice_replay_vsi_agg(hw, vsi_handle);
4455 * ice_replay_post - post replay configuration cleanup
4456 * @hw: pointer to the HW struct
4458 * Post replay cleanup.
4460 void ice_replay_post(struct ice_hw *hw)
4462 /* Delete old entries from replay filter list head */
4463 ice_rm_all_sw_replay_rule_info(hw);
4464 ice_sched_replay_agg(hw);
4468 * ice_stat_update40 - read 40 bit stat from the chip and update stat values
4469 * @hw: ptr to the hardware info
4470 * @reg: offset of 64 bit HW register to read from
4471 * @prev_stat_loaded: bool to specify if previous stats are loaded
4472 * @prev_stat: ptr to previous loaded stat value
4473 * @cur_stat: ptr to current stat value
4476 ice_stat_update40(struct ice_hw *hw, u32 reg, bool prev_stat_loaded,
4477 u64 *prev_stat, u64 *cur_stat)
4479 u64 new_data = rd64(hw, reg) & (BIT_ULL(40) - 1);
4481 /* device stats are not reset at PFR, they likely will not be zeroed
4482 * when the driver starts. Thus, save the value from the first read
4483 * without adding to the statistic value so that we report stats which
4484 * count up from zero.
4486 if (!prev_stat_loaded) {
4487 *prev_stat = new_data;
4491 /* Calculate the difference between the new and old values, and then
4492 * add it to the software stat value.
4494 if (new_data >= *prev_stat)
4495 *cur_stat += new_data - *prev_stat;
4497 /* to manage the potential roll-over */
4498 *cur_stat += (new_data + BIT_ULL(40)) - *prev_stat;
4500 /* Update the previously stored value to prepare for next read */
4501 *prev_stat = new_data;
4505 * ice_stat_update32 - read 32 bit stat from the chip and update stat values
4506 * @hw: ptr to the hardware info
4507 * @reg: offset of HW register to read from
4508 * @prev_stat_loaded: bool to specify if previous stats are loaded
4509 * @prev_stat: ptr to previous loaded stat value
4510 * @cur_stat: ptr to current stat value
4513 ice_stat_update32(struct ice_hw *hw, u32 reg, bool prev_stat_loaded,
4514 u64 *prev_stat, u64 *cur_stat)
4518 new_data = rd32(hw, reg);
4520 /* device stats are not reset at PFR, they likely will not be zeroed
4521 * when the driver starts. Thus, save the value from the first read
4522 * without adding to the statistic value so that we report stats which
4523 * count up from zero.
4525 if (!prev_stat_loaded) {
4526 *prev_stat = new_data;
4530 /* Calculate the difference between the new and old values, and then
4531 * add it to the software stat value.
4533 if (new_data >= *prev_stat)
4534 *cur_stat += new_data - *prev_stat;
4536 /* to manage the potential roll-over */
4537 *cur_stat += (new_data + BIT_ULL(32)) - *prev_stat;
4539 /* Update the previously stored value to prepare for next read */
4540 *prev_stat = new_data;
4544 * ice_stat_update_repc - read GLV_REPC stats from chip and update stat values
4545 * @hw: ptr to the hardware info
4546 * @vsi_handle: VSI handle
4547 * @prev_stat_loaded: bool to specify if the previous stat values are loaded
4548 * @cur_stats: ptr to current stats structure
4550 * The GLV_REPC statistic register actually tracks two 16bit statistics, and
4551 * thus cannot be read using the normal ice_stat_update32 function.
4553 * Read the GLV_REPC register associated with the given VSI, and update the
4554 * rx_no_desc and rx_error values in the ice_eth_stats structure.
4556 * Because the statistics in GLV_REPC stick at 0xFFFF, the register must be
4557 * cleared each time it's read.
4559 * Note that the GLV_RDPC register also counts the causes that would trigger
4560 * GLV_REPC. However, it does not give the finer grained detail about why the
4561 * packets are being dropped. The GLV_REPC values can be used to distinguish
4562 * whether Rx packets are dropped due to errors or due to no available
4566 ice_stat_update_repc(struct ice_hw *hw, u16 vsi_handle, bool prev_stat_loaded,
4567 struct ice_eth_stats *cur_stats)
4569 u16 vsi_num, no_desc, error_cnt;
4572 if (!ice_is_vsi_valid(hw, vsi_handle))
4575 vsi_num = ice_get_hw_vsi_num(hw, vsi_handle);
4577 /* If we haven't loaded stats yet, just clear the current value */
4578 if (!prev_stat_loaded) {
4579 wr32(hw, GLV_REPC(vsi_num), 0);
4583 repc = rd32(hw, GLV_REPC(vsi_num));
4584 no_desc = (repc & GLV_REPC_NO_DESC_CNT_M) >> GLV_REPC_NO_DESC_CNT_S;
4585 error_cnt = (repc & GLV_REPC_ERROR_CNT_M) >> GLV_REPC_ERROR_CNT_S;
4587 /* Clear the count by writing to the stats register */
4588 wr32(hw, GLV_REPC(vsi_num), 0);
4590 cur_stats->rx_no_desc += no_desc;
4591 cur_stats->rx_errors += error_cnt;
4595 * ice_sched_query_elem - query element information from HW
4596 * @hw: pointer to the HW struct
4597 * @node_teid: node TEID to be queried
4598 * @buf: buffer to element information
4600 * This function queries HW element information
4603 ice_sched_query_elem(struct ice_hw *hw, u32 node_teid,
4604 struct ice_aqc_txsched_elem_data *buf)
4606 u16 buf_size, num_elem_ret = 0;
4607 enum ice_status status;
4609 buf_size = sizeof(*buf);
4610 ice_memset(buf, 0, buf_size, ICE_NONDMA_MEM);
4611 buf->node_teid = CPU_TO_LE32(node_teid);
4612 status = ice_aq_query_sched_elems(hw, 1, buf, buf_size, &num_elem_ret,
4614 if (status != ICE_SUCCESS || num_elem_ret != 1)
4615 ice_debug(hw, ICE_DBG_SCHED, "query element failed\n");
4620 * ice_get_fw_mode - returns FW mode
4621 * @hw: pointer to the HW struct
4623 enum ice_fw_modes ice_get_fw_mode(struct ice_hw *hw)
4625 #define ICE_FW_MODE_DBG_M BIT(0)
4626 #define ICE_FW_MODE_REC_M BIT(1)
4627 #define ICE_FW_MODE_ROLLBACK_M BIT(2)
4630 /* check the current FW mode */
4631 fw_mode = rd32(hw, GL_MNG_FWSM) & GL_MNG_FWSM_FW_MODES_M;
4633 if (fw_mode & ICE_FW_MODE_DBG_M)
4634 return ICE_FW_MODE_DBG;
4635 else if (fw_mode & ICE_FW_MODE_REC_M)
4636 return ICE_FW_MODE_REC;
4637 else if (fw_mode & ICE_FW_MODE_ROLLBACK_M)
4638 return ICE_FW_MODE_ROLLBACK;
4640 return ICE_FW_MODE_NORMAL;
4644 * ice_fw_supports_link_override
4645 * @hw: pointer to the hardware structure
4647 * Checks if the firmware supports link override
4649 bool ice_fw_supports_link_override(struct ice_hw *hw)
4651 /* Currently, only supported for E810 devices */
4652 if (hw->mac_type != ICE_MAC_E810)
4655 if (hw->api_maj_ver == ICE_FW_API_LINK_OVERRIDE_MAJ) {
4656 if (hw->api_min_ver > ICE_FW_API_LINK_OVERRIDE_MIN)
4658 if (hw->api_min_ver == ICE_FW_API_LINK_OVERRIDE_MIN &&
4659 hw->api_patch >= ICE_FW_API_LINK_OVERRIDE_PATCH)
4661 } else if (hw->api_maj_ver > ICE_FW_API_LINK_OVERRIDE_MAJ) {
4669 * ice_get_link_default_override
4670 * @ldo: pointer to the link default override struct
4671 * @pi: pointer to the port info struct
4673 * Gets the link default override for a port
4676 ice_get_link_default_override(struct ice_link_default_override_tlv *ldo,
4677 struct ice_port_info *pi)
4679 u16 i, tlv, tlv_len, tlv_start, buf, offset;
4680 struct ice_hw *hw = pi->hw;
4681 enum ice_status status;
4683 status = ice_get_pfa_module_tlv(hw, &tlv, &tlv_len,
4684 ICE_SR_LINK_DEFAULT_OVERRIDE_PTR);
4686 ice_debug(hw, ICE_DBG_INIT,
4687 "Failed to read link override TLV.\n");
4691 /* Each port has its own config; calculate for our port */
4692 tlv_start = tlv + pi->lport * ICE_SR_PFA_LINK_OVERRIDE_WORDS +
4693 ICE_SR_PFA_LINK_OVERRIDE_OFFSET;
4695 /* link options first */
4696 status = ice_read_sr_word(hw, tlv_start, &buf);
4698 ice_debug(hw, ICE_DBG_INIT,
4699 "Failed to read override link options.\n");
4702 ldo->options = buf & ICE_LINK_OVERRIDE_OPT_M;
4703 ldo->phy_config = (buf & ICE_LINK_OVERRIDE_PHY_CFG_M) >>
4704 ICE_LINK_OVERRIDE_PHY_CFG_S;
4706 /* link PHY config */
4707 offset = tlv_start + ICE_SR_PFA_LINK_OVERRIDE_FEC_OFFSET;
4708 status = ice_read_sr_word(hw, offset, &buf);
4710 ice_debug(hw, ICE_DBG_INIT,
4711 "Failed to read override phy config.\n");
4714 ldo->fec_options = buf & ICE_LINK_OVERRIDE_FEC_OPT_M;
4717 offset = tlv_start + ICE_SR_PFA_LINK_OVERRIDE_PHY_OFFSET;
4718 for (i = 0; i < ICE_SR_PFA_LINK_OVERRIDE_PHY_WORDS; i++) {
4719 status = ice_read_sr_word(hw, (offset + i), &buf);
4721 ice_debug(hw, ICE_DBG_INIT,
4722 "Failed to read override link options.\n");
4725 /* shift 16 bits at a time to fill 64 bits */
4726 ldo->phy_type_low |= ((u64)buf << (i * 16));
4729 /* PHY types high */
4730 offset = tlv_start + ICE_SR_PFA_LINK_OVERRIDE_PHY_OFFSET +
4731 ICE_SR_PFA_LINK_OVERRIDE_PHY_WORDS;
4732 for (i = 0; i < ICE_SR_PFA_LINK_OVERRIDE_PHY_WORDS; i++) {
4733 status = ice_read_sr_word(hw, (offset + i), &buf);
4735 ice_debug(hw, ICE_DBG_INIT,
4736 "Failed to read override link options.\n");
4739 /* shift 16 bits at a time to fill 64 bits */
4740 ldo->phy_type_high |= ((u64)buf << (i * 16));
4747 * ice_is_phy_caps_an_enabled - check if PHY capabilities autoneg is enabled
4748 * @caps: get PHY capability data
4750 bool ice_is_phy_caps_an_enabled(struct ice_aqc_get_phy_caps_data *caps)
4752 if (caps->caps & ICE_AQC_PHY_AN_MODE ||
4753 caps->low_power_ctrl_an & (ICE_AQC_PHY_AN_EN_CLAUSE28 |
4754 ICE_AQC_PHY_AN_EN_CLAUSE73 |
4755 ICE_AQC_PHY_AN_EN_CLAUSE37))
4762 * ice_aq_set_lldp_mib - Set the LLDP MIB
4763 * @hw: pointer to the HW struct
4764 * @mib_type: Local, Remote or both Local and Remote MIBs
4765 * @buf: pointer to the caller-supplied buffer to store the MIB block
4766 * @buf_size: size of the buffer (in bytes)
4767 * @cd: pointer to command details structure or NULL
4769 * Set the LLDP MIB. (0x0A08)
4772 ice_aq_set_lldp_mib(struct ice_hw *hw, u8 mib_type, void *buf, u16 buf_size,
4773 struct ice_sq_cd *cd)
4775 struct ice_aqc_lldp_set_local_mib *cmd;
4776 struct ice_aq_desc desc;
4778 cmd = &desc.params.lldp_set_mib;
4780 if (buf_size == 0 || !buf)
4781 return ICE_ERR_PARAM;
4783 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_lldp_set_local_mib);
4785 desc.flags |= CPU_TO_LE16((u16)ICE_AQ_FLAG_RD);
4786 desc.datalen = CPU_TO_LE16(buf_size);
4788 cmd->type = mib_type;
4789 cmd->length = CPU_TO_LE16(buf_size);
4791 return ice_aq_send_cmd(hw, &desc, buf, buf_size, cd);