1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright (c) 2018-2023, Intel Corporation. */
3
4 #include "ice_common.h"
5 #include "ice_sched.h"
6 #include "ice_adminq_cmd.h"
7 #include "ice_flow.h"
8 #include "ice_ptp_hw.h"
9 #include <linux/packing.h>
10
11 #define ICE_PF_RESET_WAIT_COUNT 300
12 #define ICE_MAX_NETLIST_SIZE 10
13
14 static const char * const ice_link_mode_str_low[] = {
15 [0] = "100BASE_TX",
16 [1] = "100M_SGMII",
17 [2] = "1000BASE_T",
18 [3] = "1000BASE_SX",
19 [4] = "1000BASE_LX",
20 [5] = "1000BASE_KX",
21 [6] = "1G_SGMII",
22 [7] = "2500BASE_T",
23 [8] = "2500BASE_X",
24 [9] = "2500BASE_KX",
25 [10] = "5GBASE_T",
26 [11] = "5GBASE_KR",
27 [12] = "10GBASE_T",
28 [13] = "10G_SFI_DA",
29 [14] = "10GBASE_SR",
30 [15] = "10GBASE_LR",
31 [16] = "10GBASE_KR_CR1",
32 [17] = "10G_SFI_AOC_ACC",
33 [18] = "10G_SFI_C2C",
34 [19] = "25GBASE_T",
35 [20] = "25GBASE_CR",
36 [21] = "25GBASE_CR_S",
37 [22] = "25GBASE_CR1",
38 [23] = "25GBASE_SR",
39 [24] = "25GBASE_LR",
40 [25] = "25GBASE_KR",
41 [26] = "25GBASE_KR_S",
42 [27] = "25GBASE_KR1",
43 [28] = "25G_AUI_AOC_ACC",
44 [29] = "25G_AUI_C2C",
45 [30] = "40GBASE_CR4",
46 [31] = "40GBASE_SR4",
47 [32] = "40GBASE_LR4",
48 [33] = "40GBASE_KR4",
49 [34] = "40G_XLAUI_AOC_ACC",
50 [35] = "40G_XLAUI",
51 [36] = "50GBASE_CR2",
52 [37] = "50GBASE_SR2",
53 [38] = "50GBASE_LR2",
54 [39] = "50GBASE_KR2",
55 [40] = "50G_LAUI2_AOC_ACC",
56 [41] = "50G_LAUI2",
57 [42] = "50G_AUI2_AOC_ACC",
58 [43] = "50G_AUI2",
59 [44] = "50GBASE_CP",
60 [45] = "50GBASE_SR",
61 [46] = "50GBASE_FR",
62 [47] = "50GBASE_LR",
63 [48] = "50GBASE_KR_PAM4",
64 [49] = "50G_AUI1_AOC_ACC",
65 [50] = "50G_AUI1",
66 [51] = "100GBASE_CR4",
67 [52] = "100GBASE_SR4",
68 [53] = "100GBASE_LR4",
69 [54] = "100GBASE_KR4",
70 [55] = "100G_CAUI4_AOC_ACC",
71 [56] = "100G_CAUI4",
72 [57] = "100G_AUI4_AOC_ACC",
73 [58] = "100G_AUI4",
74 [59] = "100GBASE_CR_PAM4",
75 [60] = "100GBASE_KR_PAM4",
76 [61] = "100GBASE_CP2",
77 [62] = "100GBASE_SR2",
78 [63] = "100GBASE_DR",
79 };
80
81 static const char * const ice_link_mode_str_high[] = {
82 [0] = "100GBASE_KR2_PAM4",
83 [1] = "100G_CAUI2_AOC_ACC",
84 [2] = "100G_CAUI2",
85 [3] = "100G_AUI2_AOC_ACC",
86 [4] = "100G_AUI2",
87 };
88
89 /**
90 * ice_dump_phy_type - helper function to dump phy_type
91 * @hw: pointer to the HW structure
92 * @low: 64 bit value for phy_type_low
93 * @high: 64 bit value for phy_type_high
94 * @prefix: prefix string to differentiate multiple dumps
95 */
96 static void
ice_dump_phy_type(struct ice_hw * hw,u64 low,u64 high,const char * prefix)97 ice_dump_phy_type(struct ice_hw *hw, u64 low, u64 high, const char *prefix)
98 {
99 ice_debug(hw, ICE_DBG_PHY, "%s: phy_type_low: 0x%016llx\n", prefix, low);
100
101 for (u32 i = 0; i < BITS_PER_TYPE(typeof(low)); i++) {
102 if (low & BIT_ULL(i))
103 ice_debug(hw, ICE_DBG_PHY, "%s: bit(%d): %s\n",
104 prefix, i, ice_link_mode_str_low[i]);
105 }
106
107 ice_debug(hw, ICE_DBG_PHY, "%s: phy_type_high: 0x%016llx\n", prefix, high);
108
109 for (u32 i = 0; i < BITS_PER_TYPE(typeof(high)); i++) {
110 if (high & BIT_ULL(i))
111 ice_debug(hw, ICE_DBG_PHY, "%s: bit(%d): %s\n",
112 prefix, i, ice_link_mode_str_high[i]);
113 }
114 }
115
116 /**
117 * ice_set_mac_type - Sets MAC type
118 * @hw: pointer to the HW structure
119 *
120 * This function sets the MAC type of the adapter based on the
121 * vendor ID and device ID stored in the HW structure.
122 */
ice_set_mac_type(struct ice_hw * hw)123 static int ice_set_mac_type(struct ice_hw *hw)
124 {
125 if (hw->vendor_id != PCI_VENDOR_ID_INTEL)
126 return -ENODEV;
127
128 switch (hw->device_id) {
129 case ICE_DEV_ID_E810C_BACKPLANE:
130 case ICE_DEV_ID_E810C_QSFP:
131 case ICE_DEV_ID_E810C_SFP:
132 case ICE_DEV_ID_E810_XXV_BACKPLANE:
133 case ICE_DEV_ID_E810_XXV_QSFP:
134 case ICE_DEV_ID_E810_XXV_SFP:
135 hw->mac_type = ICE_MAC_E810;
136 break;
137 case ICE_DEV_ID_E823C_10G_BASE_T:
138 case ICE_DEV_ID_E823C_BACKPLANE:
139 case ICE_DEV_ID_E823C_QSFP:
140 case ICE_DEV_ID_E823C_SFP:
141 case ICE_DEV_ID_E823C_SGMII:
142 case ICE_DEV_ID_E822C_10G_BASE_T:
143 case ICE_DEV_ID_E822C_BACKPLANE:
144 case ICE_DEV_ID_E822C_QSFP:
145 case ICE_DEV_ID_E822C_SFP:
146 case ICE_DEV_ID_E822C_SGMII:
147 case ICE_DEV_ID_E822L_10G_BASE_T:
148 case ICE_DEV_ID_E822L_BACKPLANE:
149 case ICE_DEV_ID_E822L_SFP:
150 case ICE_DEV_ID_E822L_SGMII:
151 case ICE_DEV_ID_E823L_10G_BASE_T:
152 case ICE_DEV_ID_E823L_1GBE:
153 case ICE_DEV_ID_E823L_BACKPLANE:
154 case ICE_DEV_ID_E823L_QSFP:
155 case ICE_DEV_ID_E823L_SFP:
156 hw->mac_type = ICE_MAC_GENERIC;
157 break;
158 case ICE_DEV_ID_E825C_BACKPLANE:
159 case ICE_DEV_ID_E825C_QSFP:
160 case ICE_DEV_ID_E825C_SFP:
161 case ICE_DEV_ID_E825C_SGMII:
162 hw->mac_type = ICE_MAC_GENERIC_3K_E825;
163 break;
164 case ICE_DEV_ID_E830CC_BACKPLANE:
165 case ICE_DEV_ID_E830CC_QSFP56:
166 case ICE_DEV_ID_E830CC_SFP:
167 case ICE_DEV_ID_E830CC_SFP_DD:
168 case ICE_DEV_ID_E830C_BACKPLANE:
169 case ICE_DEV_ID_E830_XXV_BACKPLANE:
170 case ICE_DEV_ID_E830C_QSFP:
171 case ICE_DEV_ID_E830_XXV_QSFP:
172 case ICE_DEV_ID_E830C_SFP:
173 case ICE_DEV_ID_E830_XXV_SFP:
174 case ICE_DEV_ID_E835CC_BACKPLANE:
175 case ICE_DEV_ID_E835CC_QSFP56:
176 case ICE_DEV_ID_E835CC_SFP:
177 case ICE_DEV_ID_E835C_BACKPLANE:
178 case ICE_DEV_ID_E835C_QSFP:
179 case ICE_DEV_ID_E835C_SFP:
180 case ICE_DEV_ID_E835_L_BACKPLANE:
181 case ICE_DEV_ID_E835_L_QSFP:
182 case ICE_DEV_ID_E835_L_SFP:
183 hw->mac_type = ICE_MAC_E830;
184 break;
185 default:
186 hw->mac_type = ICE_MAC_UNKNOWN;
187 break;
188 }
189
190 ice_debug(hw, ICE_DBG_INIT, "mac_type: %d\n", hw->mac_type);
191 return 0;
192 }
193
194 /**
195 * ice_is_generic_mac - check if device's mac_type is generic
196 * @hw: pointer to the hardware structure
197 *
198 * Return: true if mac_type is ICE_MAC_GENERIC*, false otherwise.
199 */
ice_is_generic_mac(struct ice_hw * hw)200 bool ice_is_generic_mac(struct ice_hw *hw)
201 {
202 return (hw->mac_type == ICE_MAC_GENERIC ||
203 hw->mac_type == ICE_MAC_GENERIC_3K_E825);
204 }
205
206 /**
207 * ice_clear_pf_cfg - Clear PF configuration
208 * @hw: pointer to the hardware structure
209 *
210 * Clears any existing PF configuration (VSIs, VSI lists, switch rules, port
211 * configuration, flow director filters, etc.).
212 */
ice_clear_pf_cfg(struct ice_hw * hw)213 int ice_clear_pf_cfg(struct ice_hw *hw)
214 {
215 struct libie_aq_desc desc;
216
217 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_clear_pf_cfg);
218
219 return ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
220 }
221
222 /**
223 * ice_aq_manage_mac_read - manage MAC address read command
224 * @hw: pointer to the HW struct
225 * @buf: a virtual buffer to hold the manage MAC read response
226 * @buf_size: Size of the virtual buffer
227 * @cd: pointer to command details structure or NULL
228 *
229 * This function is used to return per PF station MAC address (0x0107).
230 * NOTE: Upon successful completion of this command, MAC address information
231 * is returned in user specified buffer. Please interpret user specified
232 * buffer as "manage_mac_read" response.
233 * Response such as various MAC addresses are stored in HW struct (port.mac)
234 * ice_discover_dev_caps is expected to be called before this function is
235 * called.
236 */
237 static int
ice_aq_manage_mac_read(struct ice_hw * hw,void * buf,u16 buf_size,struct ice_sq_cd * cd)238 ice_aq_manage_mac_read(struct ice_hw *hw, void *buf, u16 buf_size,
239 struct ice_sq_cd *cd)
240 {
241 struct ice_aqc_manage_mac_read_resp *resp;
242 struct ice_aqc_manage_mac_read *cmd;
243 struct libie_aq_desc desc;
244 int status;
245 u16 flags;
246 u8 i;
247
248 cmd = libie_aq_raw(&desc);
249
250 if (buf_size < sizeof(*resp))
251 return -EINVAL;
252
253 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_manage_mac_read);
254
255 status = ice_aq_send_cmd(hw, &desc, buf, buf_size, cd);
256 if (status)
257 return status;
258
259 resp = buf;
260 flags = le16_to_cpu(cmd->flags) & ICE_AQC_MAN_MAC_READ_M;
261
262 if (!(flags & ICE_AQC_MAN_MAC_LAN_ADDR_VALID)) {
263 ice_debug(hw, ICE_DBG_LAN, "got invalid MAC address\n");
264 return -EIO;
265 }
266
267 /* A single port can report up to two (LAN and WoL) addresses */
268 for (i = 0; i < cmd->num_addr; i++)
269 if (resp[i].addr_type == ICE_AQC_MAN_MAC_ADDR_TYPE_LAN) {
270 ether_addr_copy(hw->port_info->mac.lan_addr,
271 resp[i].mac_addr);
272 ether_addr_copy(hw->port_info->mac.perm_addr,
273 resp[i].mac_addr);
274 break;
275 }
276
277 return 0;
278 }
279
280 /**
281 * ice_aq_get_phy_caps - returns PHY capabilities
282 * @pi: port information structure
283 * @qual_mods: report qualified modules
284 * @report_mode: report mode capabilities
285 * @pcaps: structure for PHY capabilities to be filled
286 * @cd: pointer to command details structure or NULL
287 *
288 * Returns the various PHY capabilities supported on the Port (0x0600)
289 */
290 int
ice_aq_get_phy_caps(struct ice_port_info * pi,bool qual_mods,u8 report_mode,struct ice_aqc_get_phy_caps_data * pcaps,struct ice_sq_cd * cd)291 ice_aq_get_phy_caps(struct ice_port_info *pi, bool qual_mods, u8 report_mode,
292 struct ice_aqc_get_phy_caps_data *pcaps,
293 struct ice_sq_cd *cd)
294 {
295 struct ice_aqc_get_phy_caps *cmd;
296 u16 pcaps_size = sizeof(*pcaps);
297 struct libie_aq_desc desc;
298 const char *prefix;
299 struct ice_hw *hw;
300 int status;
301
302 cmd = libie_aq_raw(&desc);
303
304 if (!pcaps || (report_mode & ~ICE_AQC_REPORT_MODE_M) || !pi)
305 return -EINVAL;
306 hw = pi->hw;
307
308 if (report_mode == ICE_AQC_REPORT_DFLT_CFG &&
309 !ice_fw_supports_report_dflt_cfg(hw))
310 return -EINVAL;
311
312 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_phy_caps);
313
314 if (qual_mods)
315 cmd->param0 |= cpu_to_le16(ICE_AQC_GET_PHY_RQM);
316
317 cmd->param0 |= cpu_to_le16(report_mode);
318 status = ice_aq_send_cmd(hw, &desc, pcaps, pcaps_size, cd);
319
320 ice_debug(hw, ICE_DBG_LINK, "get phy caps dump\n");
321
322 switch (report_mode) {
323 case ICE_AQC_REPORT_TOPO_CAP_MEDIA:
324 prefix = "phy_caps_media";
325 break;
326 case ICE_AQC_REPORT_TOPO_CAP_NO_MEDIA:
327 prefix = "phy_caps_no_media";
328 break;
329 case ICE_AQC_REPORT_ACTIVE_CFG:
330 prefix = "phy_caps_active";
331 break;
332 case ICE_AQC_REPORT_DFLT_CFG:
333 prefix = "phy_caps_default";
334 break;
335 default:
336 prefix = "phy_caps_invalid";
337 }
338
339 ice_dump_phy_type(hw, le64_to_cpu(pcaps->phy_type_low),
340 le64_to_cpu(pcaps->phy_type_high), prefix);
341
342 ice_debug(hw, ICE_DBG_LINK, "%s: report_mode = 0x%x\n",
343 prefix, report_mode);
344 ice_debug(hw, ICE_DBG_LINK, "%s: caps = 0x%x\n", prefix, pcaps->caps);
345 ice_debug(hw, ICE_DBG_LINK, "%s: low_power_ctrl_an = 0x%x\n", prefix,
346 pcaps->low_power_ctrl_an);
347 ice_debug(hw, ICE_DBG_LINK, "%s: eee_cap = 0x%x\n", prefix,
348 pcaps->eee_cap);
349 ice_debug(hw, ICE_DBG_LINK, "%s: eeer_value = 0x%x\n", prefix,
350 pcaps->eeer_value);
351 ice_debug(hw, ICE_DBG_LINK, "%s: link_fec_options = 0x%x\n", prefix,
352 pcaps->link_fec_options);
353 ice_debug(hw, ICE_DBG_LINK, "%s: module_compliance_enforcement = 0x%x\n",
354 prefix, pcaps->module_compliance_enforcement);
355 ice_debug(hw, ICE_DBG_LINK, "%s: extended_compliance_code = 0x%x\n",
356 prefix, pcaps->extended_compliance_code);
357 ice_debug(hw, ICE_DBG_LINK, "%s: module_type[0] = 0x%x\n", prefix,
358 pcaps->module_type[0]);
359 ice_debug(hw, ICE_DBG_LINK, "%s: module_type[1] = 0x%x\n", prefix,
360 pcaps->module_type[1]);
361 ice_debug(hw, ICE_DBG_LINK, "%s: module_type[2] = 0x%x\n", prefix,
362 pcaps->module_type[2]);
363
364 if (!status && report_mode == ICE_AQC_REPORT_TOPO_CAP_MEDIA) {
365 pi->phy.phy_type_low = le64_to_cpu(pcaps->phy_type_low);
366 pi->phy.phy_type_high = le64_to_cpu(pcaps->phy_type_high);
367 memcpy(pi->phy.link_info.module_type, &pcaps->module_type,
368 sizeof(pi->phy.link_info.module_type));
369 }
370
371 return status;
372 }
373
374 /**
375 * ice_aq_get_link_topo_handle - get link topology node return status
376 * @pi: port information structure
377 * @node_type: requested node type
378 * @cd: pointer to command details structure or NULL
379 *
380 * Get link topology node return status for specified node type (0x06E0)
381 *
382 * Node type cage can be used to determine if cage is present. If AQC
383 * returns error (ENOENT), then no cage present. If no cage present, then
384 * connection type is backplane or BASE-T.
385 */
386 static int
ice_aq_get_link_topo_handle(struct ice_port_info * pi,u8 node_type,struct ice_sq_cd * cd)387 ice_aq_get_link_topo_handle(struct ice_port_info *pi, u8 node_type,
388 struct ice_sq_cd *cd)
389 {
390 struct ice_aqc_get_link_topo *cmd;
391 struct libie_aq_desc desc;
392
393 cmd = libie_aq_raw(&desc);
394
395 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_link_topo);
396
397 cmd->addr.topo_params.node_type_ctx =
398 (ICE_AQC_LINK_TOPO_NODE_CTX_PORT <<
399 ICE_AQC_LINK_TOPO_NODE_CTX_S);
400
401 /* set node type */
402 cmd->addr.topo_params.node_type_ctx |=
403 (ICE_AQC_LINK_TOPO_NODE_TYPE_M & node_type);
404
405 return ice_aq_send_cmd(pi->hw, &desc, NULL, 0, cd);
406 }
407
408 /**
409 * ice_aq_get_netlist_node
410 * @hw: pointer to the hw struct
411 * @cmd: get_link_topo AQ structure
412 * @node_part_number: output node part number if node found
413 * @node_handle: output node handle parameter if node found
414 *
415 * Get netlist node handle.
416 */
417 int
ice_aq_get_netlist_node(struct ice_hw * hw,struct ice_aqc_get_link_topo * cmd,u8 * node_part_number,u16 * node_handle)418 ice_aq_get_netlist_node(struct ice_hw *hw, struct ice_aqc_get_link_topo *cmd,
419 u8 *node_part_number, u16 *node_handle)
420 {
421 struct ice_aqc_get_link_topo *resp;
422 struct libie_aq_desc desc;
423
424 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_link_topo);
425 resp = libie_aq_raw(&desc);
426 *resp = *cmd;
427
428 if (ice_aq_send_cmd(hw, &desc, NULL, 0, NULL))
429 return -EINTR;
430
431 if (node_handle)
432 *node_handle = le16_to_cpu(resp->addr.handle);
433 if (node_part_number)
434 *node_part_number = resp->node_part_num;
435
436 return 0;
437 }
438
439 /**
440 * ice_find_netlist_node
441 * @hw: pointer to the hw struct
442 * @node_type: type of netlist node to look for
443 * @ctx: context of the search
444 * @node_part_number: node part number to look for
445 * @node_handle: output parameter if node found - optional
446 *
447 * Scan the netlist for a node handle of the given node type and part number.
448 *
449 * If node_handle is non-NULL it will be modified on function exit. It is only
450 * valid if the function returns zero, and should be ignored on any non-zero
451 * return value.
452 *
453 * Return:
454 * * 0 if the node is found,
455 * * -ENOENT if no handle was found,
456 * * negative error code on failure to access the AQ.
457 */
ice_find_netlist_node(struct ice_hw * hw,u8 node_type,u8 ctx,u8 node_part_number,u16 * node_handle)458 static int ice_find_netlist_node(struct ice_hw *hw, u8 node_type, u8 ctx,
459 u8 node_part_number, u16 *node_handle)
460 {
461 u8 idx;
462
463 for (idx = 0; idx < ICE_MAX_NETLIST_SIZE; idx++) {
464 struct ice_aqc_get_link_topo cmd = {};
465 u8 rec_node_part_number;
466 int status;
467
468 cmd.addr.topo_params.node_type_ctx =
469 FIELD_PREP(ICE_AQC_LINK_TOPO_NODE_TYPE_M, node_type) |
470 FIELD_PREP(ICE_AQC_LINK_TOPO_NODE_CTX_M, ctx);
471 cmd.addr.topo_params.index = idx;
472
473 status = ice_aq_get_netlist_node(hw, &cmd,
474 &rec_node_part_number,
475 node_handle);
476 if (status)
477 return status;
478
479 if (rec_node_part_number == node_part_number)
480 return 0;
481 }
482
483 return -ENOENT;
484 }
485
486 /**
487 * ice_is_media_cage_present
488 * @pi: port information structure
489 *
490 * Returns true if media cage is present, else false. If no cage, then
491 * media type is backplane or BASE-T.
492 */
ice_is_media_cage_present(struct ice_port_info * pi)493 static bool ice_is_media_cage_present(struct ice_port_info *pi)
494 {
495 /* Node type cage can be used to determine if cage is present. If AQC
496 * returns error (ENOENT), then no cage present. If no cage present then
497 * connection type is backplane or BASE-T.
498 */
499 return !ice_aq_get_link_topo_handle(pi,
500 ICE_AQC_LINK_TOPO_NODE_TYPE_CAGE,
501 NULL);
502 }
503
504 /**
505 * ice_get_media_type - Gets media type
506 * @pi: port information structure
507 */
ice_get_media_type(struct ice_port_info * pi)508 static enum ice_media_type ice_get_media_type(struct ice_port_info *pi)
509 {
510 struct ice_link_status *hw_link_info;
511
512 if (!pi)
513 return ICE_MEDIA_UNKNOWN;
514
515 hw_link_info = &pi->phy.link_info;
516 if (hw_link_info->phy_type_low && hw_link_info->phy_type_high)
517 /* If more than one media type is selected, report unknown */
518 return ICE_MEDIA_UNKNOWN;
519
520 if (hw_link_info->phy_type_low) {
521 /* 1G SGMII is a special case where some DA cable PHYs
522 * may show this as an option when it really shouldn't
523 * be since SGMII is meant to be between a MAC and a PHY
524 * in a backplane. Try to detect this case and handle it
525 */
526 if (hw_link_info->phy_type_low == ICE_PHY_TYPE_LOW_1G_SGMII &&
527 (hw_link_info->module_type[ICE_AQC_MOD_TYPE_IDENT] ==
528 ICE_AQC_MOD_TYPE_BYTE1_SFP_PLUS_CU_ACTIVE ||
529 hw_link_info->module_type[ICE_AQC_MOD_TYPE_IDENT] ==
530 ICE_AQC_MOD_TYPE_BYTE1_SFP_PLUS_CU_PASSIVE))
531 return ICE_MEDIA_DA;
532
533 switch (hw_link_info->phy_type_low) {
534 case ICE_PHY_TYPE_LOW_1000BASE_SX:
535 case ICE_PHY_TYPE_LOW_1000BASE_LX:
536 case ICE_PHY_TYPE_LOW_10GBASE_SR:
537 case ICE_PHY_TYPE_LOW_10GBASE_LR:
538 case ICE_PHY_TYPE_LOW_10G_SFI_C2C:
539 case ICE_PHY_TYPE_LOW_25GBASE_SR:
540 case ICE_PHY_TYPE_LOW_25GBASE_LR:
541 case ICE_PHY_TYPE_LOW_40GBASE_SR4:
542 case ICE_PHY_TYPE_LOW_40GBASE_LR4:
543 case ICE_PHY_TYPE_LOW_50GBASE_SR2:
544 case ICE_PHY_TYPE_LOW_50GBASE_LR2:
545 case ICE_PHY_TYPE_LOW_50GBASE_SR:
546 case ICE_PHY_TYPE_LOW_50GBASE_FR:
547 case ICE_PHY_TYPE_LOW_50GBASE_LR:
548 case ICE_PHY_TYPE_LOW_100GBASE_SR4:
549 case ICE_PHY_TYPE_LOW_100GBASE_LR4:
550 case ICE_PHY_TYPE_LOW_100GBASE_SR2:
551 case ICE_PHY_TYPE_LOW_100GBASE_DR:
552 case ICE_PHY_TYPE_LOW_10G_SFI_AOC_ACC:
553 case ICE_PHY_TYPE_LOW_25G_AUI_AOC_ACC:
554 case ICE_PHY_TYPE_LOW_40G_XLAUI_AOC_ACC:
555 case ICE_PHY_TYPE_LOW_50G_LAUI2_AOC_ACC:
556 case ICE_PHY_TYPE_LOW_50G_AUI2_AOC_ACC:
557 case ICE_PHY_TYPE_LOW_50G_AUI1_AOC_ACC:
558 case ICE_PHY_TYPE_LOW_100G_CAUI4_AOC_ACC:
559 case ICE_PHY_TYPE_LOW_100G_AUI4_AOC_ACC:
560 return ICE_MEDIA_FIBER;
561 case ICE_PHY_TYPE_LOW_100BASE_TX:
562 case ICE_PHY_TYPE_LOW_1000BASE_T:
563 case ICE_PHY_TYPE_LOW_2500BASE_T:
564 case ICE_PHY_TYPE_LOW_5GBASE_T:
565 case ICE_PHY_TYPE_LOW_10GBASE_T:
566 case ICE_PHY_TYPE_LOW_25GBASE_T:
567 return ICE_MEDIA_BASET;
568 case ICE_PHY_TYPE_LOW_10G_SFI_DA:
569 case ICE_PHY_TYPE_LOW_25GBASE_CR:
570 case ICE_PHY_TYPE_LOW_25GBASE_CR_S:
571 case ICE_PHY_TYPE_LOW_25GBASE_CR1:
572 case ICE_PHY_TYPE_LOW_40GBASE_CR4:
573 case ICE_PHY_TYPE_LOW_50GBASE_CR2:
574 case ICE_PHY_TYPE_LOW_50GBASE_CP:
575 case ICE_PHY_TYPE_LOW_100GBASE_CR4:
576 case ICE_PHY_TYPE_LOW_100GBASE_CR_PAM4:
577 case ICE_PHY_TYPE_LOW_100GBASE_CP2:
578 return ICE_MEDIA_DA;
579 case ICE_PHY_TYPE_LOW_25G_AUI_C2C:
580 case ICE_PHY_TYPE_LOW_40G_XLAUI:
581 case ICE_PHY_TYPE_LOW_50G_LAUI2:
582 case ICE_PHY_TYPE_LOW_50G_AUI2:
583 case ICE_PHY_TYPE_LOW_50G_AUI1:
584 case ICE_PHY_TYPE_LOW_100G_AUI4:
585 case ICE_PHY_TYPE_LOW_100G_CAUI4:
586 if (ice_is_media_cage_present(pi))
587 return ICE_MEDIA_DA;
588 fallthrough;
589 case ICE_PHY_TYPE_LOW_1000BASE_KX:
590 case ICE_PHY_TYPE_LOW_2500BASE_KX:
591 case ICE_PHY_TYPE_LOW_2500BASE_X:
592 case ICE_PHY_TYPE_LOW_5GBASE_KR:
593 case ICE_PHY_TYPE_LOW_10GBASE_KR_CR1:
594 case ICE_PHY_TYPE_LOW_25GBASE_KR:
595 case ICE_PHY_TYPE_LOW_25GBASE_KR1:
596 case ICE_PHY_TYPE_LOW_25GBASE_KR_S:
597 case ICE_PHY_TYPE_LOW_40GBASE_KR4:
598 case ICE_PHY_TYPE_LOW_50GBASE_KR_PAM4:
599 case ICE_PHY_TYPE_LOW_50GBASE_KR2:
600 case ICE_PHY_TYPE_LOW_100GBASE_KR4:
601 case ICE_PHY_TYPE_LOW_100GBASE_KR_PAM4:
602 return ICE_MEDIA_BACKPLANE;
603 }
604 } else {
605 switch (hw_link_info->phy_type_high) {
606 case ICE_PHY_TYPE_HIGH_100G_AUI2:
607 case ICE_PHY_TYPE_HIGH_100G_CAUI2:
608 if (ice_is_media_cage_present(pi))
609 return ICE_MEDIA_DA;
610 fallthrough;
611 case ICE_PHY_TYPE_HIGH_100GBASE_KR2_PAM4:
612 return ICE_MEDIA_BACKPLANE;
613 case ICE_PHY_TYPE_HIGH_100G_CAUI2_AOC_ACC:
614 case ICE_PHY_TYPE_HIGH_100G_AUI2_AOC_ACC:
615 return ICE_MEDIA_FIBER;
616 }
617 }
618 return ICE_MEDIA_UNKNOWN;
619 }
620
621 /**
622 * ice_get_link_status_datalen
623 * @hw: pointer to the HW struct
624 *
625 * Returns datalength for the Get Link Status AQ command, which is bigger for
626 * newer adapter families handled by ice driver.
627 */
ice_get_link_status_datalen(struct ice_hw * hw)628 static u16 ice_get_link_status_datalen(struct ice_hw *hw)
629 {
630 switch (hw->mac_type) {
631 case ICE_MAC_E830:
632 return ICE_AQC_LS_DATA_SIZE_V2;
633 case ICE_MAC_E810:
634 default:
635 return ICE_AQC_LS_DATA_SIZE_V1;
636 }
637 }
638
639 /**
640 * ice_aq_get_link_info
641 * @pi: port information structure
642 * @ena_lse: enable/disable LinkStatusEvent reporting
643 * @link: pointer to link status structure - optional
644 * @cd: pointer to command details structure or NULL
645 *
646 * Get Link Status (0x607). Returns the link status of the adapter.
647 */
648 int
ice_aq_get_link_info(struct ice_port_info * pi,bool ena_lse,struct ice_link_status * link,struct ice_sq_cd * cd)649 ice_aq_get_link_info(struct ice_port_info *pi, bool ena_lse,
650 struct ice_link_status *link, struct ice_sq_cd *cd)
651 {
652 struct ice_aqc_get_link_status_data link_data = { 0 };
653 struct ice_aqc_get_link_status *resp;
654 struct ice_link_status *li_old, *li;
655 enum ice_media_type *hw_media_type;
656 struct ice_fc_info *hw_fc_info;
657 struct libie_aq_desc desc;
658 bool tx_pause, rx_pause;
659 struct ice_hw *hw;
660 u16 cmd_flags;
661 int status;
662
663 if (!pi)
664 return -EINVAL;
665 hw = pi->hw;
666 li_old = &pi->phy.link_info_old;
667 hw_media_type = &pi->phy.media_type;
668 li = &pi->phy.link_info;
669 hw_fc_info = &pi->fc;
670
671 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_link_status);
672 cmd_flags = (ena_lse) ? ICE_AQ_LSE_ENA : ICE_AQ_LSE_DIS;
673 resp = libie_aq_raw(&desc);
674 resp->cmd_flags = cpu_to_le16(cmd_flags);
675 resp->lport_num = pi->lport;
676
677 status = ice_aq_send_cmd(hw, &desc, &link_data,
678 ice_get_link_status_datalen(hw), cd);
679 if (status)
680 return status;
681
682 /* save off old link status information */
683 *li_old = *li;
684
685 /* update current link status information */
686 li->link_speed = le16_to_cpu(link_data.link_speed);
687 li->phy_type_low = le64_to_cpu(link_data.phy_type_low);
688 li->phy_type_high = le64_to_cpu(link_data.phy_type_high);
689 *hw_media_type = ice_get_media_type(pi);
690 li->link_info = link_data.link_info;
691 li->link_cfg_err = link_data.link_cfg_err;
692 li->an_info = link_data.an_info;
693 li->ext_info = link_data.ext_info;
694 li->max_frame_size = le16_to_cpu(link_data.max_frame_size);
695 li->fec_info = link_data.cfg & ICE_AQ_FEC_MASK;
696 li->topo_media_conflict = link_data.topo_media_conflict;
697 li->pacing = link_data.cfg & (ICE_AQ_CFG_PACING_M |
698 ICE_AQ_CFG_PACING_TYPE_M);
699
700 /* update fc info */
701 tx_pause = !!(link_data.an_info & ICE_AQ_LINK_PAUSE_TX);
702 rx_pause = !!(link_data.an_info & ICE_AQ_LINK_PAUSE_RX);
703 if (tx_pause && rx_pause)
704 hw_fc_info->current_mode = ICE_FC_FULL;
705 else if (tx_pause)
706 hw_fc_info->current_mode = ICE_FC_TX_PAUSE;
707 else if (rx_pause)
708 hw_fc_info->current_mode = ICE_FC_RX_PAUSE;
709 else
710 hw_fc_info->current_mode = ICE_FC_NONE;
711
712 li->lse_ena = !!(resp->cmd_flags & cpu_to_le16(ICE_AQ_LSE_IS_ENABLED));
713
714 ice_debug(hw, ICE_DBG_LINK, "get link info\n");
715 ice_debug(hw, ICE_DBG_LINK, " link_speed = 0x%x\n", li->link_speed);
716 ice_debug(hw, ICE_DBG_LINK, " phy_type_low = 0x%llx\n",
717 (unsigned long long)li->phy_type_low);
718 ice_debug(hw, ICE_DBG_LINK, " phy_type_high = 0x%llx\n",
719 (unsigned long long)li->phy_type_high);
720 ice_debug(hw, ICE_DBG_LINK, " media_type = 0x%x\n", *hw_media_type);
721 ice_debug(hw, ICE_DBG_LINK, " link_info = 0x%x\n", li->link_info);
722 ice_debug(hw, ICE_DBG_LINK, " link_cfg_err = 0x%x\n", li->link_cfg_err);
723 ice_debug(hw, ICE_DBG_LINK, " an_info = 0x%x\n", li->an_info);
724 ice_debug(hw, ICE_DBG_LINK, " ext_info = 0x%x\n", li->ext_info);
725 ice_debug(hw, ICE_DBG_LINK, " fec_info = 0x%x\n", li->fec_info);
726 ice_debug(hw, ICE_DBG_LINK, " lse_ena = 0x%x\n", li->lse_ena);
727 ice_debug(hw, ICE_DBG_LINK, " max_frame = 0x%x\n",
728 li->max_frame_size);
729 ice_debug(hw, ICE_DBG_LINK, " pacing = 0x%x\n", li->pacing);
730
731 /* save link status information */
732 if (link)
733 *link = *li;
734
735 /* flag cleared so calling functions don't call AQ again */
736 pi->phy.get_link_info = false;
737
738 return 0;
739 }
740
741 /**
742 * ice_fill_tx_timer_and_fc_thresh
743 * @hw: pointer to the HW struct
744 * @cmd: pointer to MAC cfg structure
745 *
746 * Add Tx timer and FC refresh threshold info to Set MAC Config AQ command
747 * descriptor
748 */
749 static void
ice_fill_tx_timer_and_fc_thresh(struct ice_hw * hw,struct ice_aqc_set_mac_cfg * cmd)750 ice_fill_tx_timer_and_fc_thresh(struct ice_hw *hw,
751 struct ice_aqc_set_mac_cfg *cmd)
752 {
753 u32 val, fc_thres_m;
754
755 /* We read back the transmit timer and FC threshold value of
756 * LFC. Thus, we will use index =
757 * PRTMAC_HSEC_CTL_TX_PAUSE_QUANTA_MAX_INDEX.
758 *
759 * Also, because we are operating on transmit timer and FC
760 * threshold of LFC, we don't turn on any bit in tx_tmr_priority
761 */
762 #define E800_IDX_OF_LFC E800_PRTMAC_HSEC_CTL_TX_PS_QNT_MAX
763 #define E800_REFRESH_TMR E800_PRTMAC_HSEC_CTL_TX_PS_RFSH_TMR
764
765 if (hw->mac_type == ICE_MAC_E830) {
766 /* Retrieve the transmit timer */
767 val = rd32(hw, E830_PRTMAC_CL01_PS_QNT);
768 cmd->tx_tmr_value =
769 le16_encode_bits(val, E830_PRTMAC_CL01_PS_QNT_CL0_M);
770
771 /* Retrieve the fc threshold */
772 val = rd32(hw, E830_PRTMAC_CL01_QNT_THR);
773 fc_thres_m = E830_PRTMAC_CL01_QNT_THR_CL0_M;
774 } else {
775 /* Retrieve the transmit timer */
776 val = rd32(hw,
777 E800_PRTMAC_HSEC_CTL_TX_PS_QNT(E800_IDX_OF_LFC));
778 cmd->tx_tmr_value =
779 le16_encode_bits(val,
780 E800_PRTMAC_HSEC_CTL_TX_PS_QNT_M);
781
782 /* Retrieve the fc threshold */
783 val = rd32(hw,
784 E800_REFRESH_TMR(E800_IDX_OF_LFC));
785 fc_thres_m = E800_PRTMAC_HSEC_CTL_TX_PS_RFSH_TMR_M;
786 }
787 cmd->fc_refresh_threshold = le16_encode_bits(val, fc_thres_m);
788 }
789
790 /**
791 * ice_aq_set_mac_cfg
792 * @hw: pointer to the HW struct
793 * @max_frame_size: Maximum Frame Size to be supported
794 * @cd: pointer to command details structure or NULL
795 *
796 * Set MAC configuration (0x0603)
797 */
798 int
ice_aq_set_mac_cfg(struct ice_hw * hw,u16 max_frame_size,struct ice_sq_cd * cd)799 ice_aq_set_mac_cfg(struct ice_hw *hw, u16 max_frame_size, struct ice_sq_cd *cd)
800 {
801 struct ice_aqc_set_mac_cfg *cmd;
802 struct libie_aq_desc desc;
803
804 cmd = libie_aq_raw(&desc);
805
806 if (max_frame_size == 0)
807 return -EINVAL;
808
809 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_mac_cfg);
810
811 cmd->max_frame_size = cpu_to_le16(max_frame_size);
812
813 ice_fill_tx_timer_and_fc_thresh(hw, cmd);
814
815 return ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
816 }
817
818 /**
819 * ice_init_fltr_mgmt_struct - initializes filter management list and locks
820 * @hw: pointer to the HW struct
821 */
ice_init_fltr_mgmt_struct(struct ice_hw * hw)822 static int ice_init_fltr_mgmt_struct(struct ice_hw *hw)
823 {
824 struct ice_switch_info *sw;
825 int status;
826
827 hw->switch_info = devm_kzalloc(ice_hw_to_dev(hw),
828 sizeof(*hw->switch_info), GFP_KERNEL);
829 sw = hw->switch_info;
830
831 if (!sw)
832 return -ENOMEM;
833
834 INIT_LIST_HEAD(&sw->vsi_list_map_head);
835 sw->prof_res_bm_init = 0;
836
837 /* Initialize recipe count with default recipes read from NVM */
838 sw->recp_cnt = ICE_SW_LKUP_LAST;
839
840 status = ice_init_def_sw_recp(hw);
841 if (status) {
842 devm_kfree(ice_hw_to_dev(hw), hw->switch_info);
843 return status;
844 }
845 return 0;
846 }
847
848 /**
849 * ice_cleanup_fltr_mgmt_struct - cleanup filter management list and locks
850 * @hw: pointer to the HW struct
851 */
ice_cleanup_fltr_mgmt_struct(struct ice_hw * hw)852 static void ice_cleanup_fltr_mgmt_struct(struct ice_hw *hw)
853 {
854 struct ice_switch_info *sw = hw->switch_info;
855 struct ice_vsi_list_map_info *v_pos_map;
856 struct ice_vsi_list_map_info *v_tmp_map;
857 struct ice_sw_recipe *recps;
858 u8 i;
859
860 list_for_each_entry_safe(v_pos_map, v_tmp_map, &sw->vsi_list_map_head,
861 list_entry) {
862 list_del(&v_pos_map->list_entry);
863 devm_kfree(ice_hw_to_dev(hw), v_pos_map);
864 }
865 recps = sw->recp_list;
866 for (i = 0; i < ICE_MAX_NUM_RECIPES; i++) {
867 recps[i].root_rid = i;
868
869 if (recps[i].adv_rule) {
870 struct ice_adv_fltr_mgmt_list_entry *tmp_entry;
871 struct ice_adv_fltr_mgmt_list_entry *lst_itr;
872
873 mutex_destroy(&recps[i].filt_rule_lock);
874 list_for_each_entry_safe(lst_itr, tmp_entry,
875 &recps[i].filt_rules,
876 list_entry) {
877 list_del(&lst_itr->list_entry);
878 devm_kfree(ice_hw_to_dev(hw), lst_itr->lkups);
879 devm_kfree(ice_hw_to_dev(hw), lst_itr);
880 }
881 } else {
882 struct ice_fltr_mgmt_list_entry *lst_itr, *tmp_entry;
883
884 mutex_destroy(&recps[i].filt_rule_lock);
885 list_for_each_entry_safe(lst_itr, tmp_entry,
886 &recps[i].filt_rules,
887 list_entry) {
888 list_del(&lst_itr->list_entry);
889 devm_kfree(ice_hw_to_dev(hw), lst_itr);
890 }
891 }
892 }
893 ice_rm_all_sw_replay_rule_info(hw);
894 devm_kfree(ice_hw_to_dev(hw), sw->recp_list);
895 devm_kfree(ice_hw_to_dev(hw), sw);
896 }
897
898 /**
899 * ice_get_itr_intrl_gran
900 * @hw: pointer to the HW struct
901 *
902 * Determines the ITR/INTRL granularities based on the maximum aggregate
903 * bandwidth according to the device's configuration during power-on.
904 */
ice_get_itr_intrl_gran(struct ice_hw * hw)905 static void ice_get_itr_intrl_gran(struct ice_hw *hw)
906 {
907 u8 max_agg_bw = FIELD_GET(GL_PWR_MODE_CTL_CAR_MAX_BW_M,
908 rd32(hw, GL_PWR_MODE_CTL));
909
910 switch (max_agg_bw) {
911 case ICE_MAX_AGG_BW_200G:
912 case ICE_MAX_AGG_BW_100G:
913 case ICE_MAX_AGG_BW_50G:
914 hw->itr_gran = ICE_ITR_GRAN_ABOVE_25;
915 hw->intrl_gran = ICE_INTRL_GRAN_ABOVE_25;
916 break;
917 case ICE_MAX_AGG_BW_25G:
918 hw->itr_gran = ICE_ITR_GRAN_MAX_25;
919 hw->intrl_gran = ICE_INTRL_GRAN_MAX_25;
920 break;
921 }
922 }
923
924 /**
925 * ice_wait_fw_load - wait for PHY firmware loading to complete
926 * @hw: pointer to the hardware structure
927 * @timeout: milliseconds that can elapse before timing out, 0 to bypass waiting
928 *
929 * Return:
930 * * 0 on success
931 * * negative on timeout
932 */
ice_wait_fw_load(struct ice_hw * hw,u32 timeout)933 static int ice_wait_fw_load(struct ice_hw *hw, u32 timeout)
934 {
935 int fw_loading_reg;
936
937 if (!timeout)
938 return 0;
939
940 fw_loading_reg = rd32(hw, GL_MNG_FWSM) & GL_MNG_FWSM_FW_LOADING_M;
941 /* notify the user only once if PHY FW is still loading */
942 if (fw_loading_reg)
943 dev_info(ice_hw_to_dev(hw), "Link initialization is blocked by PHY FW initialization. Link initialization will continue after PHY FW initialization completes.\n");
944 else
945 return 0;
946
947 return rd32_poll_timeout(hw, GL_MNG_FWSM, fw_loading_reg,
948 !(fw_loading_reg & GL_MNG_FWSM_FW_LOADING_M),
949 10000, timeout * 1000);
950 }
951
__fwlog_send_cmd(void * priv,struct libie_aq_desc * desc,void * buf,u16 size)952 static int __fwlog_send_cmd(void *priv, struct libie_aq_desc *desc, void *buf,
953 u16 size)
954 {
955 struct ice_hw *hw = priv;
956
957 return ice_aq_send_cmd(hw, desc, buf, size, NULL);
958 }
959
__fwlog_init(struct ice_hw * hw)960 static int __fwlog_init(struct ice_hw *hw)
961 {
962 struct ice_pf *pf = hw->back;
963 struct libie_fwlog_api api = {
964 .pdev = pf->pdev,
965 .send_cmd = __fwlog_send_cmd,
966 .priv = hw,
967 };
968 int err;
969
970 /* only support fw log commands on PF 0 */
971 if (hw->bus.func)
972 return -EINVAL;
973
974 err = ice_debugfs_pf_init(pf);
975 if (err)
976 return err;
977
978 api.debugfs_root = pf->ice_debugfs_pf;
979
980 return libie_fwlog_init(&hw->fwlog, &api);
981 }
982
983 /**
984 * ice_init_hw - main hardware initialization routine
985 * @hw: pointer to the hardware structure
986 */
ice_init_hw(struct ice_hw * hw)987 int ice_init_hw(struct ice_hw *hw)
988 {
989 struct ice_aqc_get_phy_caps_data *pcaps __free(kfree) = NULL;
990 void *mac_buf __free(kfree) = NULL;
991 u16 mac_buf_len;
992 int status;
993
994 /* Set MAC type based on DeviceID */
995 status = ice_set_mac_type(hw);
996 if (status)
997 return status;
998
999 hw->pf_id = FIELD_GET(PF_FUNC_RID_FUNC_NUM_M, rd32(hw, PF_FUNC_RID));
1000
1001 status = ice_reset(hw, ICE_RESET_PFR);
1002 if (status)
1003 return status;
1004
1005 ice_get_itr_intrl_gran(hw);
1006
1007 status = ice_create_all_ctrlq(hw);
1008 if (status)
1009 goto err_unroll_cqinit;
1010
1011 status = __fwlog_init(hw);
1012 if (status)
1013 ice_debug(hw, ICE_DBG_FW_LOG, "Error initializing FW logging: %d\n",
1014 status);
1015
1016 status = ice_clear_pf_cfg(hw);
1017 if (status)
1018 goto err_unroll_cqinit;
1019
1020 /* Set bit to enable Flow Director filters */
1021 wr32(hw, PFQF_FD_ENA, PFQF_FD_ENA_FD_ENA_M);
1022 INIT_LIST_HEAD(&hw->fdir_list_head);
1023
1024 ice_clear_pxe_mode(hw);
1025
1026 status = ice_init_nvm(hw);
1027 if (status)
1028 goto err_unroll_cqinit;
1029
1030 status = ice_get_caps(hw);
1031 if (status)
1032 goto err_unroll_cqinit;
1033
1034 if (!hw->port_info)
1035 hw->port_info = devm_kzalloc(ice_hw_to_dev(hw),
1036 sizeof(*hw->port_info),
1037 GFP_KERNEL);
1038 if (!hw->port_info) {
1039 status = -ENOMEM;
1040 goto err_unroll_cqinit;
1041 }
1042
1043 hw->port_info->local_fwd_mode = ICE_LOCAL_FWD_MODE_ENABLED;
1044 /* set the back pointer to HW */
1045 hw->port_info->hw = hw;
1046
1047 /* Initialize port_info struct with switch configuration data */
1048 status = ice_get_initial_sw_cfg(hw);
1049 if (status)
1050 goto err_unroll_alloc;
1051
1052 hw->evb_veb = true;
1053
1054 /* init xarray for identifying scheduling nodes uniquely */
1055 xa_init_flags(&hw->port_info->sched_node_ids, XA_FLAGS_ALLOC);
1056
1057 /* Query the allocated resources for Tx scheduler */
1058 status = ice_sched_query_res_alloc(hw);
1059 if (status) {
1060 ice_debug(hw, ICE_DBG_SCHED, "Failed to get scheduler allocated resources\n");
1061 goto err_unroll_alloc;
1062 }
1063 ice_sched_get_psm_clk_freq(hw);
1064
1065 /* Initialize port_info struct with scheduler data */
1066 status = ice_sched_init_port(hw->port_info);
1067 if (status)
1068 goto err_unroll_sched;
1069
1070 pcaps = kzalloc_obj(*pcaps);
1071 if (!pcaps) {
1072 status = -ENOMEM;
1073 goto err_unroll_sched;
1074 }
1075
1076 /* Initialize port_info struct with PHY capabilities */
1077 status = ice_aq_get_phy_caps(hw->port_info, false,
1078 ICE_AQC_REPORT_TOPO_CAP_MEDIA, pcaps,
1079 NULL);
1080 if (status)
1081 dev_warn(ice_hw_to_dev(hw), "Get PHY capabilities failed status = %d, continuing anyway\n",
1082 status);
1083
1084 /* Initialize port_info struct with link information */
1085 status = ice_aq_get_link_info(hw->port_info, false, NULL, NULL);
1086 if (status)
1087 goto err_unroll_sched;
1088
1089 /* need a valid SW entry point to build a Tx tree */
1090 if (!hw->sw_entry_point_layer) {
1091 ice_debug(hw, ICE_DBG_SCHED, "invalid sw entry point\n");
1092 status = -EIO;
1093 goto err_unroll_sched;
1094 }
1095 INIT_LIST_HEAD(&hw->agg_list);
1096 /* Initialize max burst size */
1097 if (!hw->max_burst_size)
1098 ice_cfg_rl_burst_size(hw, ICE_SCHED_DFLT_BURST_SIZE);
1099
1100 status = ice_init_fltr_mgmt_struct(hw);
1101 if (status)
1102 goto err_unroll_sched;
1103
1104 /* Get MAC information */
1105 /* A single port can report up to two (LAN and WoL) addresses */
1106 mac_buf = kzalloc_objs(struct ice_aqc_manage_mac_read_resp, 2);
1107 if (!mac_buf) {
1108 status = -ENOMEM;
1109 goto err_unroll_fltr_mgmt_struct;
1110 }
1111
1112 mac_buf_len = 2 * sizeof(struct ice_aqc_manage_mac_read_resp);
1113 status = ice_aq_manage_mac_read(hw, mac_buf, mac_buf_len, NULL);
1114
1115 if (status)
1116 goto err_unroll_fltr_mgmt_struct;
1117 /* enable jumbo frame support at MAC level */
1118 status = ice_aq_set_mac_cfg(hw, ICE_AQ_SET_MAC_FRAME_SIZE_MAX, NULL);
1119 if (status)
1120 goto err_unroll_fltr_mgmt_struct;
1121 /* Obtain counter base index which would be used by flow director */
1122 status = ice_alloc_fd_res_cntr(hw, &hw->fd_ctr_base);
1123 if (status)
1124 goto err_unroll_fltr_mgmt_struct;
1125 status = ice_init_hw_tbls(hw);
1126 if (status)
1127 goto err_unroll_fltr_mgmt_struct;
1128
1129 ice_init_dev_hw(hw->back);
1130
1131 mutex_init(&hw->tnl_lock);
1132 ice_init_chk_recipe_reuse_support(hw);
1133
1134 /* Some cards require longer initialization times
1135 * due to necessity of loading FW from an external source.
1136 * This can take even half a minute.
1137 */
1138 status = ice_wait_fw_load(hw, 30000);
1139 if (status) {
1140 dev_err(ice_hw_to_dev(hw), "ice_wait_fw_load timed out");
1141 goto err_unroll_fltr_mgmt_struct;
1142 }
1143
1144 hw->lane_num = ice_get_phy_lane_number(hw);
1145
1146 return 0;
1147 err_unroll_fltr_mgmt_struct:
1148 ice_cleanup_fltr_mgmt_struct(hw);
1149 err_unroll_sched:
1150 ice_sched_cleanup_all(hw);
1151 err_unroll_alloc:
1152 devm_kfree(ice_hw_to_dev(hw), hw->port_info);
1153 err_unroll_cqinit:
1154 ice_destroy_all_ctrlq(hw);
1155 return status;
1156 }
1157
__fwlog_deinit(struct ice_hw * hw)1158 static void __fwlog_deinit(struct ice_hw *hw)
1159 {
1160 /* only support fw log commands on PF 0 */
1161 if (hw->bus.func)
1162 return;
1163
1164 ice_debugfs_pf_deinit(hw->back);
1165 libie_fwlog_deinit(&hw->fwlog);
1166 }
1167
1168 /**
1169 * ice_deinit_hw - unroll initialization operations done by ice_init_hw
1170 * @hw: pointer to the hardware structure
1171 *
1172 * This should be called only during nominal operation, not as a result of
1173 * ice_init_hw() failing since ice_init_hw() will take care of unrolling
1174 * applicable initializations if it fails for any reason.
1175 */
ice_deinit_hw(struct ice_hw * hw)1176 void ice_deinit_hw(struct ice_hw *hw)
1177 {
1178 ice_free_fd_res_cntr(hw, hw->fd_ctr_base);
1179 ice_cleanup_fltr_mgmt_struct(hw);
1180
1181 ice_sched_cleanup_all(hw);
1182 ice_sched_clear_agg(hw);
1183 ice_free_seg(hw);
1184 ice_free_hw_tbls(hw);
1185 mutex_destroy(&hw->tnl_lock);
1186 __fwlog_deinit(hw);
1187 ice_destroy_all_ctrlq(hw);
1188
1189 /* Clear VSI contexts if not already cleared */
1190 ice_clear_all_vsi_ctx(hw);
1191 }
1192
1193 /**
1194 * ice_check_reset - Check to see if a global reset is complete
1195 * @hw: pointer to the hardware structure
1196 */
ice_check_reset(struct ice_hw * hw)1197 int ice_check_reset(struct ice_hw *hw)
1198 {
1199 u32 cnt, reg = 0, grst_timeout, uld_mask;
1200
1201 /* Poll for Device Active state in case a recent CORER, GLOBR,
1202 * or EMPR has occurred. The grst delay value is in 100ms units.
1203 * Add 1sec for outstanding AQ commands that can take a long time.
1204 */
1205 grst_timeout = FIELD_GET(GLGEN_RSTCTL_GRSTDEL_M,
1206 rd32(hw, GLGEN_RSTCTL)) + 10;
1207
1208 for (cnt = 0; cnt < grst_timeout; cnt++) {
1209 mdelay(100);
1210 reg = rd32(hw, GLGEN_RSTAT);
1211 if (!(reg & GLGEN_RSTAT_DEVSTATE_M))
1212 break;
1213 }
1214
1215 if (cnt == grst_timeout) {
1216 ice_debug(hw, ICE_DBG_INIT, "Global reset polling failed to complete.\n");
1217 return -EIO;
1218 }
1219
1220 #define ICE_RESET_DONE_MASK (GLNVM_ULD_PCIER_DONE_M |\
1221 GLNVM_ULD_PCIER_DONE_1_M |\
1222 GLNVM_ULD_CORER_DONE_M |\
1223 GLNVM_ULD_GLOBR_DONE_M |\
1224 GLNVM_ULD_POR_DONE_M |\
1225 GLNVM_ULD_POR_DONE_1_M |\
1226 GLNVM_ULD_PCIER_DONE_2_M)
1227
1228 uld_mask = ICE_RESET_DONE_MASK | (hw->func_caps.common_cap.rdma ?
1229 GLNVM_ULD_PE_DONE_M : 0);
1230
1231 /* Device is Active; check Global Reset processes are done */
1232 for (cnt = 0; cnt < ICE_PF_RESET_WAIT_COUNT; cnt++) {
1233 reg = rd32(hw, GLNVM_ULD) & uld_mask;
1234 if (reg == uld_mask) {
1235 ice_debug(hw, ICE_DBG_INIT, "Global reset processes done. %d\n", cnt);
1236 break;
1237 }
1238 mdelay(10);
1239 }
1240
1241 if (cnt == ICE_PF_RESET_WAIT_COUNT) {
1242 ice_debug(hw, ICE_DBG_INIT, "Wait for Reset Done timed out. GLNVM_ULD = 0x%x\n",
1243 reg);
1244 return -EIO;
1245 }
1246
1247 return 0;
1248 }
1249
1250 /**
1251 * ice_pf_reset - Reset the PF
1252 * @hw: pointer to the hardware structure
1253 *
1254 * If a global reset has been triggered, this function checks
1255 * for its completion and then issues the PF reset
1256 */
ice_pf_reset(struct ice_hw * hw)1257 static int ice_pf_reset(struct ice_hw *hw)
1258 {
1259 u32 cnt, reg;
1260
1261 /* If at function entry a global reset was already in progress, i.e.
1262 * state is not 'device active' or any of the reset done bits are not
1263 * set in GLNVM_ULD, there is no need for a PF Reset; poll until the
1264 * global reset is done.
1265 */
1266 if ((rd32(hw, GLGEN_RSTAT) & GLGEN_RSTAT_DEVSTATE_M) ||
1267 (rd32(hw, GLNVM_ULD) & ICE_RESET_DONE_MASK) ^ ICE_RESET_DONE_MASK) {
1268 /* poll on global reset currently in progress until done */
1269 if (ice_check_reset(hw))
1270 return -EIO;
1271
1272 return 0;
1273 }
1274
1275 /* Reset the PF */
1276 reg = rd32(hw, PFGEN_CTRL);
1277
1278 wr32(hw, PFGEN_CTRL, (reg | PFGEN_CTRL_PFSWR_M));
1279
1280 /* Wait for the PFR to complete. The wait time is the global config lock
1281 * timeout plus the PFR timeout which will account for a possible reset
1282 * that is occurring during a download package operation.
1283 */
1284 for (cnt = 0; cnt < ICE_GLOBAL_CFG_LOCK_TIMEOUT +
1285 ICE_PF_RESET_WAIT_COUNT; cnt++) {
1286 reg = rd32(hw, PFGEN_CTRL);
1287 if (!(reg & PFGEN_CTRL_PFSWR_M))
1288 break;
1289
1290 mdelay(1);
1291 }
1292
1293 if (cnt == ICE_PF_RESET_WAIT_COUNT) {
1294 ice_debug(hw, ICE_DBG_INIT, "PF reset polling failed to complete.\n");
1295 return -EIO;
1296 }
1297
1298 return 0;
1299 }
1300
1301 /**
1302 * ice_reset - Perform different types of reset
1303 * @hw: pointer to the hardware structure
1304 * @req: reset request
1305 *
1306 * This function triggers a reset as specified by the req parameter.
1307 *
1308 * Note:
1309 * If anything other than a PF reset is triggered, PXE mode is restored.
1310 * This has to be cleared using ice_clear_pxe_mode again, once the AQ
1311 * interface has been restored in the rebuild flow.
1312 */
ice_reset(struct ice_hw * hw,enum ice_reset_req req)1313 int ice_reset(struct ice_hw *hw, enum ice_reset_req req)
1314 {
1315 u32 val = 0;
1316
1317 switch (req) {
1318 case ICE_RESET_PFR:
1319 return ice_pf_reset(hw);
1320 case ICE_RESET_CORER:
1321 ice_debug(hw, ICE_DBG_INIT, "CoreR requested\n");
1322 val = GLGEN_RTRIG_CORER_M;
1323 break;
1324 case ICE_RESET_GLOBR:
1325 ice_debug(hw, ICE_DBG_INIT, "GlobalR requested\n");
1326 val = GLGEN_RTRIG_GLOBR_M;
1327 break;
1328 default:
1329 return -EINVAL;
1330 }
1331
1332 val |= rd32(hw, GLGEN_RTRIG);
1333 wr32(hw, GLGEN_RTRIG, val);
1334 ice_flush(hw);
1335
1336 /* wait for the FW to be ready */
1337 return ice_check_reset(hw);
1338 }
1339
1340 /**
1341 * ice_copy_rxq_ctx_to_hw - Copy packed Rx queue context to HW registers
1342 * @hw: pointer to the hardware structure
1343 * @rxq_ctx: pointer to the packed Rx queue context
1344 * @rxq_index: the index of the Rx queue
1345 */
ice_copy_rxq_ctx_to_hw(struct ice_hw * hw,const ice_rxq_ctx_buf_t * rxq_ctx,u32 rxq_index)1346 static void ice_copy_rxq_ctx_to_hw(struct ice_hw *hw,
1347 const ice_rxq_ctx_buf_t *rxq_ctx,
1348 u32 rxq_index)
1349 {
1350 /* Copy each dword separately to HW */
1351 for (int i = 0; i < ICE_RXQ_CTX_SIZE_DWORDS; i++) {
1352 u32 ctx = ((const u32 *)rxq_ctx)[i];
1353
1354 wr32(hw, QRX_CONTEXT(i, rxq_index), ctx);
1355
1356 ice_debug(hw, ICE_DBG_QCTX, "qrxdata[%d]: %08X\n", i, ctx);
1357 }
1358 }
1359
1360 /**
1361 * ice_copy_rxq_ctx_from_hw - Copy packed Rx Queue context from HW registers
1362 * @hw: pointer to the hardware structure
1363 * @rxq_ctx: pointer to the packed Rx queue context
1364 * @rxq_index: the index of the Rx queue
1365 */
ice_copy_rxq_ctx_from_hw(struct ice_hw * hw,ice_rxq_ctx_buf_t * rxq_ctx,u32 rxq_index)1366 static void ice_copy_rxq_ctx_from_hw(struct ice_hw *hw,
1367 ice_rxq_ctx_buf_t *rxq_ctx,
1368 u32 rxq_index)
1369 {
1370 u32 *ctx = (u32 *)rxq_ctx;
1371
1372 /* Copy each dword separately from HW */
1373 for (int i = 0; i < ICE_RXQ_CTX_SIZE_DWORDS; i++, ctx++) {
1374 *ctx = rd32(hw, QRX_CONTEXT(i, rxq_index));
1375
1376 ice_debug(hw, ICE_DBG_QCTX, "qrxdata[%d]: %08X\n", i, *ctx);
1377 }
1378 }
1379
1380 #define ICE_CTX_STORE(struct_name, struct_field, width, lsb) \
1381 PACKED_FIELD((lsb) + (width) - 1, (lsb), struct struct_name, struct_field)
1382
1383 /* LAN Rx Queue Context */
1384 static const struct packed_field_u8 ice_rlan_ctx_fields[] = {
1385 /* Field Width LSB */
1386 ICE_CTX_STORE(ice_rlan_ctx, head, 13, 0),
1387 ICE_CTX_STORE(ice_rlan_ctx, cpuid, 8, 13),
1388 ICE_CTX_STORE(ice_rlan_ctx, base, 57, 32),
1389 ICE_CTX_STORE(ice_rlan_ctx, qlen, 13, 89),
1390 ICE_CTX_STORE(ice_rlan_ctx, dbuf, 7, 102),
1391 ICE_CTX_STORE(ice_rlan_ctx, hbuf, 5, 109),
1392 ICE_CTX_STORE(ice_rlan_ctx, dtype, 2, 114),
1393 ICE_CTX_STORE(ice_rlan_ctx, dsize, 1, 116),
1394 ICE_CTX_STORE(ice_rlan_ctx, crcstrip, 1, 117),
1395 ICE_CTX_STORE(ice_rlan_ctx, l2tsel, 1, 119),
1396 ICE_CTX_STORE(ice_rlan_ctx, hsplit_0, 4, 120),
1397 ICE_CTX_STORE(ice_rlan_ctx, hsplit_1, 2, 124),
1398 ICE_CTX_STORE(ice_rlan_ctx, showiv, 1, 127),
1399 ICE_CTX_STORE(ice_rlan_ctx, rxmax, 14, 174),
1400 ICE_CTX_STORE(ice_rlan_ctx, tphrdesc_ena, 1, 193),
1401 ICE_CTX_STORE(ice_rlan_ctx, tphwdesc_ena, 1, 194),
1402 ICE_CTX_STORE(ice_rlan_ctx, tphdata_ena, 1, 195),
1403 ICE_CTX_STORE(ice_rlan_ctx, tphhead_ena, 1, 196),
1404 ICE_CTX_STORE(ice_rlan_ctx, lrxqthresh, 3, 198),
1405 ICE_CTX_STORE(ice_rlan_ctx, prefena, 1, 201),
1406 };
1407
1408 /**
1409 * ice_pack_rxq_ctx - Pack Rx queue context into a HW buffer
1410 * @ctx: the Rx queue context to pack
1411 * @buf: the HW buffer to pack into
1412 *
1413 * Pack the Rx queue context from the CPU-friendly unpacked buffer into its
1414 * bit-packed HW layout.
1415 */
ice_pack_rxq_ctx(const struct ice_rlan_ctx * ctx,ice_rxq_ctx_buf_t * buf)1416 static void ice_pack_rxq_ctx(const struct ice_rlan_ctx *ctx,
1417 ice_rxq_ctx_buf_t *buf)
1418 {
1419 pack_fields(buf, sizeof(*buf), ctx, ice_rlan_ctx_fields,
1420 QUIRK_LITTLE_ENDIAN | QUIRK_LSW32_IS_FIRST);
1421 }
1422
1423 /**
1424 * ice_unpack_rxq_ctx - Unpack Rx queue context from a HW buffer
1425 * @buf: the HW buffer to unpack from
1426 * @ctx: the Rx queue context to unpack
1427 *
1428 * Unpack the Rx queue context from the HW buffer into the CPU-friendly
1429 * structure.
1430 */
ice_unpack_rxq_ctx(const ice_rxq_ctx_buf_t * buf,struct ice_rlan_ctx * ctx)1431 static void ice_unpack_rxq_ctx(const ice_rxq_ctx_buf_t *buf,
1432 struct ice_rlan_ctx *ctx)
1433 {
1434 unpack_fields(buf, sizeof(*buf), ctx, ice_rlan_ctx_fields,
1435 QUIRK_LITTLE_ENDIAN | QUIRK_LSW32_IS_FIRST);
1436 }
1437
1438 /**
1439 * ice_write_rxq_ctx - Write Rx Queue context to hardware
1440 * @hw: pointer to the hardware structure
1441 * @rlan_ctx: pointer to the unpacked Rx queue context
1442 * @rxq_index: the index of the Rx queue
1443 *
1444 * Pack the sparse Rx Queue context into dense hardware format and write it
1445 * into the HW register space.
1446 *
1447 * Return: 0 on success, or -EINVAL if the Rx queue index is invalid.
1448 */
ice_write_rxq_ctx(struct ice_hw * hw,struct ice_rlan_ctx * rlan_ctx,u32 rxq_index)1449 int ice_write_rxq_ctx(struct ice_hw *hw, struct ice_rlan_ctx *rlan_ctx,
1450 u32 rxq_index)
1451 {
1452 ice_rxq_ctx_buf_t buf = {};
1453
1454 if (rxq_index > QRX_CTRL_MAX_INDEX)
1455 return -EINVAL;
1456
1457 ice_pack_rxq_ctx(rlan_ctx, &buf);
1458 ice_copy_rxq_ctx_to_hw(hw, &buf, rxq_index);
1459
1460 return 0;
1461 }
1462
1463 /**
1464 * ice_read_rxq_ctx - Read Rx queue context from HW
1465 * @hw: pointer to the hardware structure
1466 * @rlan_ctx: pointer to the Rx queue context
1467 * @rxq_index: the index of the Rx queue
1468 *
1469 * Read the Rx queue context from the hardware registers, and unpack it into
1470 * the sparse Rx queue context structure.
1471 *
1472 * Returns: 0 on success, or -EINVAL if the Rx queue index is invalid.
1473 */
ice_read_rxq_ctx(struct ice_hw * hw,struct ice_rlan_ctx * rlan_ctx,u32 rxq_index)1474 int ice_read_rxq_ctx(struct ice_hw *hw, struct ice_rlan_ctx *rlan_ctx,
1475 u32 rxq_index)
1476 {
1477 ice_rxq_ctx_buf_t buf = {};
1478
1479 if (rxq_index > QRX_CTRL_MAX_INDEX)
1480 return -EINVAL;
1481
1482 ice_copy_rxq_ctx_from_hw(hw, &buf, rxq_index);
1483 ice_unpack_rxq_ctx(&buf, rlan_ctx);
1484
1485 return 0;
1486 }
1487
1488 /* LAN Tx Queue Context */
1489 static const struct packed_field_u8 ice_tlan_ctx_fields[] = {
1490 /* Field Width LSB */
1491 ICE_CTX_STORE(ice_tlan_ctx, base, 57, 0),
1492 ICE_CTX_STORE(ice_tlan_ctx, port_num, 3, 57),
1493 ICE_CTX_STORE(ice_tlan_ctx, cgd_num, 5, 60),
1494 ICE_CTX_STORE(ice_tlan_ctx, pf_num, 3, 65),
1495 ICE_CTX_STORE(ice_tlan_ctx, vmvf_num, 10, 68),
1496 ICE_CTX_STORE(ice_tlan_ctx, vmvf_type, 2, 78),
1497 ICE_CTX_STORE(ice_tlan_ctx, src_vsi, 10, 80),
1498 ICE_CTX_STORE(ice_tlan_ctx, tsyn_ena, 1, 90),
1499 ICE_CTX_STORE(ice_tlan_ctx, internal_usage_flag, 1, 91),
1500 ICE_CTX_STORE(ice_tlan_ctx, alt_vlan, 1, 92),
1501 ICE_CTX_STORE(ice_tlan_ctx, cpuid, 8, 93),
1502 ICE_CTX_STORE(ice_tlan_ctx, wb_mode, 1, 101),
1503 ICE_CTX_STORE(ice_tlan_ctx, tphrd_desc, 1, 102),
1504 ICE_CTX_STORE(ice_tlan_ctx, tphrd, 1, 103),
1505 ICE_CTX_STORE(ice_tlan_ctx, tphwr_desc, 1, 104),
1506 ICE_CTX_STORE(ice_tlan_ctx, cmpq_id, 9, 105),
1507 ICE_CTX_STORE(ice_tlan_ctx, qnum_in_func, 14, 114),
1508 ICE_CTX_STORE(ice_tlan_ctx, itr_notification_mode, 1, 128),
1509 ICE_CTX_STORE(ice_tlan_ctx, adjust_prof_id, 6, 129),
1510 ICE_CTX_STORE(ice_tlan_ctx, qlen, 13, 135),
1511 ICE_CTX_STORE(ice_tlan_ctx, quanta_prof_idx, 4, 148),
1512 ICE_CTX_STORE(ice_tlan_ctx, tso_ena, 1, 152),
1513 ICE_CTX_STORE(ice_tlan_ctx, tso_qnum, 11, 153),
1514 ICE_CTX_STORE(ice_tlan_ctx, legacy_int, 1, 164),
1515 ICE_CTX_STORE(ice_tlan_ctx, drop_ena, 1, 165),
1516 ICE_CTX_STORE(ice_tlan_ctx, cache_prof_idx, 2, 166),
1517 ICE_CTX_STORE(ice_tlan_ctx, pkt_shaper_prof_idx, 3, 168),
1518 };
1519
1520 /**
1521 * ice_pack_txq_ctx - Pack Tx queue context into Admin Queue buffer
1522 * @ctx: the Tx queue context to pack
1523 * @buf: the Admin Queue HW buffer to pack into
1524 *
1525 * Pack the Tx queue context from the CPU-friendly unpacked buffer into its
1526 * bit-packed Admin Queue layout.
1527 */
ice_pack_txq_ctx(const struct ice_tlan_ctx * ctx,ice_txq_ctx_buf_t * buf)1528 void ice_pack_txq_ctx(const struct ice_tlan_ctx *ctx, ice_txq_ctx_buf_t *buf)
1529 {
1530 pack_fields(buf, sizeof(*buf), ctx, ice_tlan_ctx_fields,
1531 QUIRK_LITTLE_ENDIAN | QUIRK_LSW32_IS_FIRST);
1532 }
1533
1534 /**
1535 * ice_pack_txq_ctx_full - Pack Tx queue context into a HW buffer
1536 * @ctx: the Tx queue context to pack
1537 * @buf: the HW buffer to pack into
1538 *
1539 * Pack the Tx queue context from the CPU-friendly unpacked buffer into its
1540 * bit-packed HW layout, including the internal data portion.
1541 */
ice_pack_txq_ctx_full(const struct ice_tlan_ctx * ctx,ice_txq_ctx_buf_full_t * buf)1542 static void ice_pack_txq_ctx_full(const struct ice_tlan_ctx *ctx,
1543 ice_txq_ctx_buf_full_t *buf)
1544 {
1545 pack_fields(buf, sizeof(*buf), ctx, ice_tlan_ctx_fields,
1546 QUIRK_LITTLE_ENDIAN | QUIRK_LSW32_IS_FIRST);
1547 }
1548
1549 /**
1550 * ice_unpack_txq_ctx_full - Unpack Tx queue context from a HW buffer
1551 * @buf: the HW buffer to unpack from
1552 * @ctx: the Tx queue context to unpack
1553 *
1554 * Unpack the Tx queue context from the HW buffer (including the full internal
1555 * state) into the CPU-friendly structure.
1556 */
ice_unpack_txq_ctx_full(const ice_txq_ctx_buf_full_t * buf,struct ice_tlan_ctx * ctx)1557 static void ice_unpack_txq_ctx_full(const ice_txq_ctx_buf_full_t *buf,
1558 struct ice_tlan_ctx *ctx)
1559 {
1560 unpack_fields(buf, sizeof(*buf), ctx, ice_tlan_ctx_fields,
1561 QUIRK_LITTLE_ENDIAN | QUIRK_LSW32_IS_FIRST);
1562 }
1563
1564 /**
1565 * ice_copy_txq_ctx_from_hw - Copy Tx Queue context from HW registers
1566 * @hw: pointer to the hardware structure
1567 * @txq_ctx: pointer to the packed Tx queue context, including internal state
1568 * @txq_index: the index of the Tx queue
1569 *
1570 * Copy Tx Queue context from HW register space to dense structure
1571 */
ice_copy_txq_ctx_from_hw(struct ice_hw * hw,ice_txq_ctx_buf_full_t * txq_ctx,u32 txq_index)1572 static void ice_copy_txq_ctx_from_hw(struct ice_hw *hw,
1573 ice_txq_ctx_buf_full_t *txq_ctx,
1574 u32 txq_index)
1575 {
1576 struct ice_pf *pf = container_of(hw, struct ice_pf, hw);
1577 u32 *ctx = (u32 *)txq_ctx;
1578 u32 txq_base, reg;
1579
1580 /* Get Tx queue base within card space */
1581 txq_base = rd32(hw, PFLAN_TX_QALLOC(hw->pf_id));
1582 txq_base = FIELD_GET(PFLAN_TX_QALLOC_FIRSTQ_M, txq_base);
1583
1584 reg = FIELD_PREP(GLCOMM_QTX_CNTX_CTL_CMD_M,
1585 GLCOMM_QTX_CNTX_CTL_CMD_READ) |
1586 FIELD_PREP(GLCOMM_QTX_CNTX_CTL_QUEUE_ID_M,
1587 txq_base + txq_index) |
1588 GLCOMM_QTX_CNTX_CTL_CMD_EXEC_M;
1589
1590 /* Prevent other PFs on the same adapter from accessing the Tx queue
1591 * context interface concurrently.
1592 */
1593 spin_lock(&pf->adapter->txq_ctx_lock);
1594
1595 wr32(hw, GLCOMM_QTX_CNTX_CTL, reg);
1596 ice_flush(hw);
1597
1598 /* Copy each dword separately from HW */
1599 for (int i = 0; i < ICE_TXQ_CTX_FULL_SIZE_DWORDS; i++, ctx++) {
1600 *ctx = rd32(hw, GLCOMM_QTX_CNTX_DATA(i));
1601
1602 ice_debug(hw, ICE_DBG_QCTX, "qtxdata[%d]: %08X\n", i, *ctx);
1603 }
1604
1605 spin_unlock(&pf->adapter->txq_ctx_lock);
1606 }
1607
1608 /**
1609 * ice_copy_txq_ctx_to_hw - Copy Tx Queue context into HW registers
1610 * @hw: pointer to the hardware structure
1611 * @txq_ctx: pointer to the packed Tx queue context, including internal state
1612 * @txq_index: the index of the Tx queue
1613 */
ice_copy_txq_ctx_to_hw(struct ice_hw * hw,const ice_txq_ctx_buf_full_t * txq_ctx,u32 txq_index)1614 static void ice_copy_txq_ctx_to_hw(struct ice_hw *hw,
1615 const ice_txq_ctx_buf_full_t *txq_ctx,
1616 u32 txq_index)
1617 {
1618 struct ice_pf *pf = container_of(hw, struct ice_pf, hw);
1619 u32 txq_base, reg;
1620
1621 /* Get Tx queue base within card space */
1622 txq_base = rd32(hw, PFLAN_TX_QALLOC(hw->pf_id));
1623 txq_base = FIELD_GET(PFLAN_TX_QALLOC_FIRSTQ_M, txq_base);
1624
1625 reg = FIELD_PREP(GLCOMM_QTX_CNTX_CTL_CMD_M,
1626 GLCOMM_QTX_CNTX_CTL_CMD_WRITE_NO_DYN) |
1627 FIELD_PREP(GLCOMM_QTX_CNTX_CTL_QUEUE_ID_M,
1628 txq_base + txq_index) |
1629 GLCOMM_QTX_CNTX_CTL_CMD_EXEC_M;
1630
1631 /* Prevent other PFs on the same adapter from accessing the Tx queue
1632 * context interface concurrently.
1633 */
1634 spin_lock(&pf->adapter->txq_ctx_lock);
1635
1636 /* Copy each dword separately to HW */
1637 for (int i = 0; i < ICE_TXQ_CTX_FULL_SIZE_DWORDS; i++) {
1638 u32 ctx = ((const u32 *)txq_ctx)[i];
1639
1640 wr32(hw, GLCOMM_QTX_CNTX_DATA(i), ctx);
1641
1642 ice_debug(hw, ICE_DBG_QCTX, "qtxdata[%d]: %08X\n", i, ctx);
1643 }
1644
1645 wr32(hw, GLCOMM_QTX_CNTX_CTL, reg);
1646 ice_flush(hw);
1647
1648 spin_unlock(&pf->adapter->txq_ctx_lock);
1649 }
1650
1651 /**
1652 * ice_read_txq_ctx - Read Tx queue context from HW
1653 * @hw: pointer to the hardware structure
1654 * @tlan_ctx: pointer to the Tx queue context
1655 * @txq_index: the index of the Tx queue
1656 *
1657 * Read the Tx queue context from the HW registers, then unpack it into the
1658 * ice_tlan_ctx structure for use.
1659 *
1660 * Returns: 0 on success, or -EINVAL on an invalid Tx queue index.
1661 */
ice_read_txq_ctx(struct ice_hw * hw,struct ice_tlan_ctx * tlan_ctx,u32 txq_index)1662 int ice_read_txq_ctx(struct ice_hw *hw, struct ice_tlan_ctx *tlan_ctx,
1663 u32 txq_index)
1664 {
1665 ice_txq_ctx_buf_full_t buf = {};
1666
1667 if (txq_index > QTX_COMM_HEAD_MAX_INDEX)
1668 return -EINVAL;
1669
1670 ice_copy_txq_ctx_from_hw(hw, &buf, txq_index);
1671 ice_unpack_txq_ctx_full(&buf, tlan_ctx);
1672
1673 return 0;
1674 }
1675
1676 /**
1677 * ice_write_txq_ctx - Write Tx queue context to HW
1678 * @hw: pointer to the hardware structure
1679 * @tlan_ctx: pointer to the Tx queue context
1680 * @txq_index: the index of the Tx queue
1681 *
1682 * Pack the Tx queue context into the dense HW layout, then write it into the
1683 * HW registers.
1684 *
1685 * Returns: 0 on success, or -EINVAL on an invalid Tx queue index.
1686 */
ice_write_txq_ctx(struct ice_hw * hw,struct ice_tlan_ctx * tlan_ctx,u32 txq_index)1687 int ice_write_txq_ctx(struct ice_hw *hw, struct ice_tlan_ctx *tlan_ctx,
1688 u32 txq_index)
1689 {
1690 ice_txq_ctx_buf_full_t buf = {};
1691
1692 if (txq_index > QTX_COMM_HEAD_MAX_INDEX)
1693 return -EINVAL;
1694
1695 ice_pack_txq_ctx_full(tlan_ctx, &buf);
1696 ice_copy_txq_ctx_to_hw(hw, &buf, txq_index);
1697
1698 return 0;
1699 }
1700
1701 /* Tx time Queue Context */
1702 static const struct packed_field_u8 ice_txtime_ctx_fields[] = {
1703 /* Field Width LSB */
1704 ICE_CTX_STORE(ice_txtime_ctx, base, 57, 0),
1705 ICE_CTX_STORE(ice_txtime_ctx, pf_num, 3, 57),
1706 ICE_CTX_STORE(ice_txtime_ctx, vmvf_num, 10, 60),
1707 ICE_CTX_STORE(ice_txtime_ctx, vmvf_type, 2, 70),
1708 ICE_CTX_STORE(ice_txtime_ctx, src_vsi, 10, 72),
1709 ICE_CTX_STORE(ice_txtime_ctx, cpuid, 8, 82),
1710 ICE_CTX_STORE(ice_txtime_ctx, tphrd_desc, 1, 90),
1711 ICE_CTX_STORE(ice_txtime_ctx, qlen, 13, 91),
1712 ICE_CTX_STORE(ice_txtime_ctx, timer_num, 1, 104),
1713 ICE_CTX_STORE(ice_txtime_ctx, txtime_ena_q, 1, 105),
1714 ICE_CTX_STORE(ice_txtime_ctx, drbell_mode_32, 1, 106),
1715 ICE_CTX_STORE(ice_txtime_ctx, ts_res, 4, 107),
1716 ICE_CTX_STORE(ice_txtime_ctx, ts_round_type, 2, 111),
1717 ICE_CTX_STORE(ice_txtime_ctx, ts_pacing_slot, 3, 113),
1718 ICE_CTX_STORE(ice_txtime_ctx, merging_ena, 1, 116),
1719 ICE_CTX_STORE(ice_txtime_ctx, ts_fetch_prof_id, 4, 117),
1720 ICE_CTX_STORE(ice_txtime_ctx, ts_fetch_cache_line_aln_thld, 4, 121),
1721 ICE_CTX_STORE(ice_txtime_ctx, tx_pipe_delay_mode, 1, 125),
1722 };
1723
1724 /**
1725 * ice_pack_txtime_ctx - pack Tx time queue context into a HW buffer
1726 * @ctx: the Tx time queue context to pack
1727 * @buf: the HW buffer to pack into
1728 *
1729 * Pack the Tx time queue context from the CPU-friendly unpacked buffer into
1730 * its bit-packed HW layout.
1731 */
ice_pack_txtime_ctx(const struct ice_txtime_ctx * ctx,ice_txtime_ctx_buf_t * buf)1732 void ice_pack_txtime_ctx(const struct ice_txtime_ctx *ctx,
1733 ice_txtime_ctx_buf_t *buf)
1734 {
1735 pack_fields(buf, sizeof(*buf), ctx, ice_txtime_ctx_fields,
1736 QUIRK_LITTLE_ENDIAN | QUIRK_LSW32_IS_FIRST);
1737 }
1738
1739 /* Sideband Queue command wrappers */
1740
1741 /**
1742 * ice_sbq_send_cmd - send Sideband Queue command to Sideband Queue
1743 * @hw: pointer to the HW struct
1744 * @desc: descriptor describing the command
1745 * @buf: buffer to use for indirect commands (NULL for direct commands)
1746 * @buf_size: size of buffer for indirect commands (0 for direct commands)
1747 * @cd: pointer to command details structure
1748 */
1749 static int
ice_sbq_send_cmd(struct ice_hw * hw,struct ice_sbq_cmd_desc * desc,void * buf,u16 buf_size,struct ice_sq_cd * cd)1750 ice_sbq_send_cmd(struct ice_hw *hw, struct ice_sbq_cmd_desc *desc,
1751 void *buf, u16 buf_size, struct ice_sq_cd *cd)
1752 {
1753 return ice_sq_send_cmd(hw, ice_get_sbq(hw),
1754 (struct libie_aq_desc *)desc, buf, buf_size, cd);
1755 }
1756
1757 /**
1758 * ice_sbq_rw_reg - Fill Sideband Queue command
1759 * @hw: pointer to the HW struct
1760 * @in: message info to be filled in descriptor
1761 * @flags: control queue descriptor flags
1762 */
ice_sbq_rw_reg(struct ice_hw * hw,struct ice_sbq_msg_input * in,u16 flags)1763 int ice_sbq_rw_reg(struct ice_hw *hw, struct ice_sbq_msg_input *in, u16 flags)
1764 {
1765 struct ice_sbq_cmd_desc desc = {0};
1766 struct ice_sbq_msg_req msg = {0};
1767 u16 msg_len;
1768 int status;
1769
1770 msg_len = sizeof(msg);
1771
1772 msg.dest_dev = in->dest_dev;
1773 msg.opcode = in->opcode;
1774 msg.flags = ICE_SBQ_MSG_FLAGS;
1775 msg.sbe_fbe = ICE_SBQ_MSG_SBE_FBE;
1776 msg.msg_addr_low = cpu_to_le16(in->msg_addr_low);
1777 msg.msg_addr_high = cpu_to_le32(in->msg_addr_high);
1778
1779 if (in->opcode)
1780 msg.data = cpu_to_le32(in->data);
1781 else
1782 /* data read comes back in completion, so shorten the struct by
1783 * sizeof(msg.data)
1784 */
1785 msg_len -= sizeof(msg.data);
1786
1787 desc.flags = cpu_to_le16(flags);
1788 desc.opcode = cpu_to_le16(ice_sbq_opc_neigh_dev_req);
1789 desc.param0.cmd_len = cpu_to_le16(msg_len);
1790 status = ice_sbq_send_cmd(hw, &desc, &msg, msg_len, NULL);
1791 if (!status && !in->opcode)
1792 in->data = le32_to_cpu
1793 (((struct ice_sbq_msg_cmpl *)&msg)->data);
1794 return status;
1795 }
1796
1797 /* FW Admin Queue command wrappers */
1798
1799 /* Software lock/mutex that is meant to be held while the Global Config Lock
1800 * in firmware is acquired by the software to prevent most (but not all) types
1801 * of AQ commands from being sent to FW
1802 */
1803 DEFINE_MUTEX(ice_global_cfg_lock_sw);
1804
1805 /**
1806 * ice_should_retry_sq_send_cmd
1807 * @opcode: AQ opcode
1808 *
1809 * Decide if we should retry the send command routine for the ATQ, depending
1810 * on the opcode.
1811 */
ice_should_retry_sq_send_cmd(u16 opcode)1812 static bool ice_should_retry_sq_send_cmd(u16 opcode)
1813 {
1814 switch (opcode) {
1815 case ice_aqc_opc_get_link_topo:
1816 case ice_aqc_opc_lldp_stop:
1817 case ice_aqc_opc_lldp_start:
1818 case ice_aqc_opc_lldp_filter_ctrl:
1819 case ice_aqc_opc_sff_eeprom:
1820 return true;
1821 }
1822
1823 return false;
1824 }
1825
1826 /**
1827 * ice_sq_send_cmd_retry - send command to Control Queue (ATQ)
1828 * @hw: pointer to the HW struct
1829 * @cq: pointer to the specific Control queue
1830 * @desc: prefilled descriptor describing the command
1831 * @buf: buffer to use for indirect commands (or NULL for direct commands)
1832 * @buf_size: size of buffer for indirect commands (or 0 for direct commands)
1833 * @cd: pointer to command details structure
1834 *
1835 * Retry sending the FW Admin Queue command, multiple times, to the FW Admin
1836 * Queue if the EBUSY AQ error is returned.
1837 */
1838 static int
ice_sq_send_cmd_retry(struct ice_hw * hw,struct ice_ctl_q_info * cq,struct libie_aq_desc * desc,void * buf,u16 buf_size,struct ice_sq_cd * cd)1839 ice_sq_send_cmd_retry(struct ice_hw *hw, struct ice_ctl_q_info *cq,
1840 struct libie_aq_desc *desc, void *buf, u16 buf_size,
1841 struct ice_sq_cd *cd)
1842 {
1843 struct libie_aq_desc desc_cpy;
1844 bool is_cmd_for_retry;
1845 u8 *buf_cpy = NULL;
1846 u8 idx = 0;
1847 u16 opcode;
1848 int status;
1849
1850 opcode = le16_to_cpu(desc->opcode);
1851 is_cmd_for_retry = ice_should_retry_sq_send_cmd(opcode);
1852 memset(&desc_cpy, 0, sizeof(desc_cpy));
1853
1854 if (is_cmd_for_retry) {
1855 if (buf) {
1856 buf_cpy = kmemdup(buf, buf_size, GFP_KERNEL);
1857 if (!buf_cpy)
1858 return -ENOMEM;
1859 }
1860
1861 memcpy(&desc_cpy, desc, sizeof(desc_cpy));
1862 }
1863
1864 do {
1865 status = ice_sq_send_cmd(hw, cq, desc, buf, buf_size, cd);
1866
1867 if (!is_cmd_for_retry || !status ||
1868 hw->adminq.sq_last_status != LIBIE_AQ_RC_EBUSY)
1869 break;
1870
1871 if (buf_cpy)
1872 memcpy(buf, buf_cpy, buf_size);
1873 memcpy(desc, &desc_cpy, sizeof(desc_cpy));
1874 msleep(ICE_SQ_SEND_DELAY_TIME_MS);
1875
1876 } while (++idx < ICE_SQ_SEND_MAX_EXECUTE);
1877
1878 kfree(buf_cpy);
1879 return status;
1880 }
1881
1882 /**
1883 * ice_aq_send_cmd - send FW Admin Queue command to FW Admin Queue
1884 * @hw: pointer to the HW struct
1885 * @desc: descriptor describing the command
1886 * @buf: buffer to use for indirect commands (NULL for direct commands)
1887 * @buf_size: size of buffer for indirect commands (0 for direct commands)
1888 * @cd: pointer to command details structure
1889 *
1890 * Helper function to send FW Admin Queue commands to the FW Admin Queue.
1891 */
1892 int
ice_aq_send_cmd(struct ice_hw * hw,struct libie_aq_desc * desc,void * buf,u16 buf_size,struct ice_sq_cd * cd)1893 ice_aq_send_cmd(struct ice_hw *hw, struct libie_aq_desc *desc, void *buf,
1894 u16 buf_size, struct ice_sq_cd *cd)
1895 {
1896 struct libie_aqc_req_res *cmd = libie_aq_raw(desc);
1897 bool lock_acquired = false;
1898 int status;
1899
1900 /* When a package download is in process (i.e. when the firmware's
1901 * Global Configuration Lock resource is held), only the Download
1902 * Package, Get Version, Get Package Info List, Upload Section,
1903 * Update Package, Set Port Parameters, Get/Set VLAN Mode Parameters,
1904 * Add Recipe, Set Recipes to Profile Association, Get Recipe, and Get
1905 * Recipes to Profile Association, and Release Resource (with resource
1906 * ID set to Global Config Lock) AdminQ commands are allowed; all others
1907 * must block until the package download completes and the Global Config
1908 * Lock is released. See also ice_acquire_global_cfg_lock().
1909 */
1910 switch (le16_to_cpu(desc->opcode)) {
1911 case ice_aqc_opc_download_pkg:
1912 case ice_aqc_opc_get_pkg_info_list:
1913 case ice_aqc_opc_get_ver:
1914 case ice_aqc_opc_upload_section:
1915 case ice_aqc_opc_update_pkg:
1916 case ice_aqc_opc_set_port_params:
1917 case ice_aqc_opc_get_vlan_mode_parameters:
1918 case ice_aqc_opc_set_vlan_mode_parameters:
1919 case ice_aqc_opc_set_tx_topo:
1920 case ice_aqc_opc_get_tx_topo:
1921 case ice_aqc_opc_add_recipe:
1922 case ice_aqc_opc_recipe_to_profile:
1923 case ice_aqc_opc_get_recipe:
1924 case ice_aqc_opc_get_recipe_to_profile:
1925 break;
1926 case ice_aqc_opc_release_res:
1927 if (le16_to_cpu(cmd->res_id) == LIBIE_AQC_RES_ID_GLBL_LOCK)
1928 break;
1929 fallthrough;
1930 default:
1931 mutex_lock(&ice_global_cfg_lock_sw);
1932 lock_acquired = true;
1933 break;
1934 }
1935
1936 status = ice_sq_send_cmd_retry(hw, &hw->adminq, desc, buf, buf_size, cd);
1937 if (lock_acquired)
1938 mutex_unlock(&ice_global_cfg_lock_sw);
1939
1940 return status;
1941 }
1942
1943 /**
1944 * ice_aq_get_fw_ver
1945 * @hw: pointer to the HW struct
1946 * @cd: pointer to command details structure or NULL
1947 *
1948 * Get the firmware version (0x0001) from the admin queue commands
1949 */
ice_aq_get_fw_ver(struct ice_hw * hw,struct ice_sq_cd * cd)1950 int ice_aq_get_fw_ver(struct ice_hw *hw, struct ice_sq_cd *cd)
1951 {
1952 struct libie_aqc_get_ver *resp;
1953 struct libie_aq_desc desc;
1954 int status;
1955
1956 resp = &desc.params.get_ver;
1957
1958 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_ver);
1959
1960 status = ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
1961
1962 if (!status) {
1963 hw->fw_branch = resp->fw_branch;
1964 hw->fw_maj_ver = resp->fw_major;
1965 hw->fw_min_ver = resp->fw_minor;
1966 hw->fw_patch = resp->fw_patch;
1967 hw->fw_build = le32_to_cpu(resp->fw_build);
1968 hw->api_branch = resp->api_branch;
1969 hw->api_maj_ver = resp->api_major;
1970 hw->api_min_ver = resp->api_minor;
1971 hw->api_patch = resp->api_patch;
1972 }
1973
1974 return status;
1975 }
1976
1977 /**
1978 * ice_aq_send_driver_ver
1979 * @hw: pointer to the HW struct
1980 * @dv: driver's major, minor version
1981 * @cd: pointer to command details structure or NULL
1982 *
1983 * Send the driver version (0x0002) to the firmware
1984 */
1985 int
ice_aq_send_driver_ver(struct ice_hw * hw,struct ice_driver_ver * dv,struct ice_sq_cd * cd)1986 ice_aq_send_driver_ver(struct ice_hw *hw, struct ice_driver_ver *dv,
1987 struct ice_sq_cd *cd)
1988 {
1989 struct libie_aqc_driver_ver *cmd;
1990 struct libie_aq_desc desc;
1991 u16 len;
1992
1993 cmd = &desc.params.driver_ver;
1994
1995 if (!dv)
1996 return -EINVAL;
1997
1998 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_driver_ver);
1999
2000 desc.flags |= cpu_to_le16(LIBIE_AQ_FLAG_RD);
2001 cmd->major_ver = dv->major_ver;
2002 cmd->minor_ver = dv->minor_ver;
2003 cmd->build_ver = dv->build_ver;
2004 cmd->subbuild_ver = dv->subbuild_ver;
2005
2006 len = 0;
2007 while (len < sizeof(dv->driver_string) &&
2008 isascii(dv->driver_string[len]) && dv->driver_string[len])
2009 len++;
2010
2011 return ice_aq_send_cmd(hw, &desc, dv->driver_string, len, cd);
2012 }
2013
2014 /**
2015 * ice_aq_q_shutdown
2016 * @hw: pointer to the HW struct
2017 * @unloading: is the driver unloading itself
2018 *
2019 * Tell the Firmware that we're shutting down the AdminQ and whether
2020 * or not the driver is unloading as well (0x0003).
2021 */
ice_aq_q_shutdown(struct ice_hw * hw,bool unloading)2022 int ice_aq_q_shutdown(struct ice_hw *hw, bool unloading)
2023 {
2024 struct ice_aqc_q_shutdown *cmd;
2025 struct libie_aq_desc desc;
2026
2027 cmd = libie_aq_raw(&desc);
2028
2029 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_q_shutdown);
2030
2031 if (unloading)
2032 cmd->driver_unloading = ICE_AQC_DRIVER_UNLOADING;
2033
2034 return ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
2035 }
2036
2037 /**
2038 * ice_aq_req_res
2039 * @hw: pointer to the HW struct
2040 * @res: resource ID
2041 * @access: access type
2042 * @sdp_number: resource number
2043 * @timeout: the maximum time in ms that the driver may hold the resource
2044 * @cd: pointer to command details structure or NULL
2045 *
2046 * Requests common resource using the admin queue commands (0x0008).
2047 * When attempting to acquire the Global Config Lock, the driver can
2048 * learn of three states:
2049 * 1) 0 - acquired lock, and can perform download package
2050 * 2) -EIO - did not get lock, driver should fail to load
2051 * 3) -EALREADY - did not get lock, but another driver has
2052 * successfully downloaded the package; the driver does
2053 * not have to download the package and can continue
2054 * loading
2055 *
2056 * Note that if the caller is in an acquire lock, perform action, release lock
2057 * phase of operation, it is possible that the FW may detect a timeout and issue
2058 * a CORER. In this case, the driver will receive a CORER interrupt and will
2059 * have to determine its cause. The calling thread that is handling this flow
2060 * will likely get an error propagated back to it indicating the Download
2061 * Package, Update Package or the Release Resource AQ commands timed out.
2062 */
2063 static int
ice_aq_req_res(struct ice_hw * hw,enum ice_aq_res_ids res,enum ice_aq_res_access_type access,u8 sdp_number,u32 * timeout,struct ice_sq_cd * cd)2064 ice_aq_req_res(struct ice_hw *hw, enum ice_aq_res_ids res,
2065 enum ice_aq_res_access_type access, u8 sdp_number, u32 *timeout,
2066 struct ice_sq_cd *cd)
2067 {
2068 struct libie_aqc_req_res *cmd_resp;
2069 struct libie_aq_desc desc;
2070 int status;
2071
2072 cmd_resp = &desc.params.res_owner;
2073
2074 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_req_res);
2075
2076 cmd_resp->res_id = cpu_to_le16(res);
2077 cmd_resp->access_type = cpu_to_le16(access);
2078 cmd_resp->res_number = cpu_to_le32(sdp_number);
2079 cmd_resp->timeout = cpu_to_le32(*timeout);
2080 *timeout = 0;
2081
2082 status = ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
2083
2084 /* The completion specifies the maximum time in ms that the driver
2085 * may hold the resource in the Timeout field.
2086 */
2087
2088 /* Global config lock response utilizes an additional status field.
2089 *
2090 * If the Global config lock resource is held by some other driver, the
2091 * command completes with LIBIE_AQ_RES_GLBL_IN_PROG in the status field
2092 * and the timeout field indicates the maximum time the current owner
2093 * of the resource has to free it.
2094 */
2095 if (res == ICE_GLOBAL_CFG_LOCK_RES_ID) {
2096 if (le16_to_cpu(cmd_resp->status) == LIBIE_AQ_RES_GLBL_SUCCESS) {
2097 *timeout = le32_to_cpu(cmd_resp->timeout);
2098 return 0;
2099 } else if (le16_to_cpu(cmd_resp->status) ==
2100 LIBIE_AQ_RES_GLBL_IN_PROG) {
2101 *timeout = le32_to_cpu(cmd_resp->timeout);
2102 return -EIO;
2103 } else if (le16_to_cpu(cmd_resp->status) ==
2104 LIBIE_AQ_RES_GLBL_DONE) {
2105 return -EALREADY;
2106 }
2107
2108 /* invalid FW response, force a timeout immediately */
2109 *timeout = 0;
2110 return -EIO;
2111 }
2112
2113 /* If the resource is held by some other driver, the command completes
2114 * with a busy return value and the timeout field indicates the maximum
2115 * time the current owner of the resource has to free it.
2116 */
2117 if (!status || hw->adminq.sq_last_status == LIBIE_AQ_RC_EBUSY)
2118 *timeout = le32_to_cpu(cmd_resp->timeout);
2119
2120 return status;
2121 }
2122
2123 /**
2124 * ice_aq_release_res
2125 * @hw: pointer to the HW struct
2126 * @res: resource ID
2127 * @sdp_number: resource number
2128 * @cd: pointer to command details structure or NULL
2129 *
2130 * release common resource using the admin queue commands (0x0009)
2131 */
2132 static int
ice_aq_release_res(struct ice_hw * hw,enum ice_aq_res_ids res,u8 sdp_number,struct ice_sq_cd * cd)2133 ice_aq_release_res(struct ice_hw *hw, enum ice_aq_res_ids res, u8 sdp_number,
2134 struct ice_sq_cd *cd)
2135 {
2136 struct libie_aqc_req_res *cmd;
2137 struct libie_aq_desc desc;
2138
2139 cmd = &desc.params.res_owner;
2140
2141 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_release_res);
2142
2143 cmd->res_id = cpu_to_le16(res);
2144 cmd->res_number = cpu_to_le32(sdp_number);
2145
2146 return ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
2147 }
2148
2149 /**
2150 * ice_acquire_res
2151 * @hw: pointer to the HW structure
2152 * @res: resource ID
2153 * @access: access type (read or write)
2154 * @timeout: timeout in milliseconds
2155 *
2156 * This function will attempt to acquire the ownership of a resource.
2157 */
2158 int
ice_acquire_res(struct ice_hw * hw,enum ice_aq_res_ids res,enum ice_aq_res_access_type access,u32 timeout)2159 ice_acquire_res(struct ice_hw *hw, enum ice_aq_res_ids res,
2160 enum ice_aq_res_access_type access, u32 timeout)
2161 {
2162 #define ICE_RES_POLLING_DELAY_MS 10
2163 u32 delay = ICE_RES_POLLING_DELAY_MS;
2164 u32 time_left = timeout;
2165 int status;
2166
2167 status = ice_aq_req_res(hw, res, access, 0, &time_left, NULL);
2168
2169 /* A return code of -EALREADY means that another driver has
2170 * previously acquired the resource and performed any necessary updates;
2171 * in this case the caller does not obtain the resource and has no
2172 * further work to do.
2173 */
2174 if (status == -EALREADY)
2175 goto ice_acquire_res_exit;
2176
2177 if (status)
2178 ice_debug(hw, ICE_DBG_RES, "resource %d acquire type %d failed.\n", res, access);
2179
2180 /* If necessary, poll until the current lock owner timeouts */
2181 timeout = time_left;
2182 while (status && timeout && time_left) {
2183 mdelay(delay);
2184 timeout = (timeout > delay) ? timeout - delay : 0;
2185 status = ice_aq_req_res(hw, res, access, 0, &time_left, NULL);
2186
2187 if (status == -EALREADY)
2188 /* lock free, but no work to do */
2189 break;
2190
2191 if (!status)
2192 /* lock acquired */
2193 break;
2194 }
2195 if (status && status != -EALREADY)
2196 ice_debug(hw, ICE_DBG_RES, "resource acquire timed out.\n");
2197
2198 ice_acquire_res_exit:
2199 if (status == -EALREADY) {
2200 if (access == ICE_RES_WRITE)
2201 ice_debug(hw, ICE_DBG_RES, "resource indicates no work to do.\n");
2202 else
2203 ice_debug(hw, ICE_DBG_RES, "Warning: -EALREADY not expected\n");
2204 }
2205 return status;
2206 }
2207
2208 /**
2209 * ice_release_res
2210 * @hw: pointer to the HW structure
2211 * @res: resource ID
2212 *
2213 * This function will release a resource using the proper Admin Command.
2214 */
ice_release_res(struct ice_hw * hw,enum ice_aq_res_ids res)2215 void ice_release_res(struct ice_hw *hw, enum ice_aq_res_ids res)
2216 {
2217 unsigned long timeout;
2218 int status;
2219
2220 /* there are some rare cases when trying to release the resource
2221 * results in an admin queue timeout, so handle them correctly
2222 */
2223 timeout = jiffies + 10 * usecs_to_jiffies(ICE_CTL_Q_SQ_CMD_TIMEOUT);
2224 do {
2225 status = ice_aq_release_res(hw, res, 0, NULL);
2226 if (status != -EIO)
2227 break;
2228 usleep_range(1000, 2000);
2229 } while (time_before(jiffies, timeout));
2230 }
2231
2232 /**
2233 * ice_aq_alloc_free_res - command to allocate/free resources
2234 * @hw: pointer to the HW struct
2235 * @buf: Indirect buffer to hold data parameters and response
2236 * @buf_size: size of buffer for indirect commands
2237 * @opc: pass in the command opcode
2238 *
2239 * Helper function to allocate/free resources using the admin queue commands
2240 */
ice_aq_alloc_free_res(struct ice_hw * hw,struct ice_aqc_alloc_free_res_elem * buf,u16 buf_size,enum ice_adminq_opc opc)2241 int ice_aq_alloc_free_res(struct ice_hw *hw,
2242 struct ice_aqc_alloc_free_res_elem *buf, u16 buf_size,
2243 enum ice_adminq_opc opc)
2244 {
2245 struct ice_aqc_alloc_free_res_cmd *cmd;
2246 struct libie_aq_desc desc;
2247
2248 cmd = libie_aq_raw(&desc);
2249
2250 if (!buf || buf_size < flex_array_size(buf, elem, 1))
2251 return -EINVAL;
2252
2253 ice_fill_dflt_direct_cmd_desc(&desc, opc);
2254
2255 desc.flags |= cpu_to_le16(LIBIE_AQ_FLAG_RD);
2256
2257 cmd->num_entries = cpu_to_le16(1);
2258
2259 return ice_aq_send_cmd(hw, &desc, buf, buf_size, NULL);
2260 }
2261
2262 /**
2263 * ice_alloc_hw_res - allocate resource
2264 * @hw: pointer to the HW struct
2265 * @type: type of resource
2266 * @num: number of resources to allocate
2267 * @btm: allocate from bottom
2268 * @res: pointer to array that will receive the resources
2269 */
2270 int
ice_alloc_hw_res(struct ice_hw * hw,u16 type,u16 num,bool btm,u16 * res)2271 ice_alloc_hw_res(struct ice_hw *hw, u16 type, u16 num, bool btm, u16 *res)
2272 {
2273 struct ice_aqc_alloc_free_res_elem *buf;
2274 u16 buf_len;
2275 int status;
2276
2277 buf_len = struct_size(buf, elem, num);
2278 buf = kzalloc(buf_len, GFP_KERNEL);
2279 if (!buf)
2280 return -ENOMEM;
2281
2282 /* Prepare buffer to allocate resource. */
2283 buf->num_elems = cpu_to_le16(num);
2284 buf->res_type = cpu_to_le16(type | ICE_AQC_RES_TYPE_FLAG_DEDICATED |
2285 ICE_AQC_RES_TYPE_FLAG_IGNORE_INDEX);
2286 if (btm)
2287 buf->res_type |= cpu_to_le16(ICE_AQC_RES_TYPE_FLAG_SCAN_BOTTOM);
2288
2289 status = ice_aq_alloc_free_res(hw, buf, buf_len, ice_aqc_opc_alloc_res);
2290 if (status)
2291 goto ice_alloc_res_exit;
2292
2293 memcpy(res, buf->elem, sizeof(*buf->elem) * num);
2294
2295 ice_alloc_res_exit:
2296 kfree(buf);
2297 return status;
2298 }
2299
2300 /**
2301 * ice_free_hw_res - free allocated HW resource
2302 * @hw: pointer to the HW struct
2303 * @type: type of resource to free
2304 * @num: number of resources
2305 * @res: pointer to array that contains the resources to free
2306 */
ice_free_hw_res(struct ice_hw * hw,u16 type,u16 num,u16 * res)2307 int ice_free_hw_res(struct ice_hw *hw, u16 type, u16 num, u16 *res)
2308 {
2309 struct ice_aqc_alloc_free_res_elem *buf;
2310 u16 buf_len;
2311 int status;
2312
2313 buf_len = struct_size(buf, elem, num);
2314 buf = kzalloc(buf_len, GFP_KERNEL);
2315 if (!buf)
2316 return -ENOMEM;
2317
2318 /* Prepare buffer to free resource. */
2319 buf->num_elems = cpu_to_le16(num);
2320 buf->res_type = cpu_to_le16(type);
2321 memcpy(buf->elem, res, sizeof(*buf->elem) * num);
2322
2323 status = ice_aq_alloc_free_res(hw, buf, buf_len, ice_aqc_opc_free_res);
2324 if (status)
2325 ice_debug(hw, ICE_DBG_SW, "CQ CMD Buffer:\n");
2326
2327 kfree(buf);
2328 return status;
2329 }
2330
2331 /**
2332 * ice_get_num_per_func - determine number of resources per PF
2333 * @hw: pointer to the HW structure
2334 * @max: value to be evenly split between each PF
2335 *
2336 * Determine the number of valid functions by going through the bitmap returned
2337 * from parsing capabilities and use this to calculate the number of resources
2338 * per PF based on the max value passed in.
2339 */
ice_get_num_per_func(struct ice_hw * hw,u32 max)2340 static u32 ice_get_num_per_func(struct ice_hw *hw, u32 max)
2341 {
2342 u8 funcs;
2343
2344 #define ICE_CAPS_VALID_FUNCS_M 0xFF
2345 funcs = hweight8(hw->dev_caps.common_cap.valid_functions &
2346 ICE_CAPS_VALID_FUNCS_M);
2347
2348 if (!funcs)
2349 return 0;
2350
2351 return max / funcs;
2352 }
2353
2354 /**
2355 * ice_parse_common_caps - parse common device/function capabilities
2356 * @hw: pointer to the HW struct
2357 * @caps: pointer to common capabilities structure
2358 * @elem: the capability element to parse
2359 * @prefix: message prefix for tracing capabilities
2360 *
2361 * Given a capability element, extract relevant details into the common
2362 * capability structure.
2363 *
2364 * Returns: true if the capability matches one of the common capability ids,
2365 * false otherwise.
2366 */
2367 static bool
ice_parse_common_caps(struct ice_hw * hw,struct ice_hw_common_caps * caps,struct libie_aqc_list_caps_elem * elem,const char * prefix)2368 ice_parse_common_caps(struct ice_hw *hw, struct ice_hw_common_caps *caps,
2369 struct libie_aqc_list_caps_elem *elem, const char *prefix)
2370 {
2371 u32 logical_id = le32_to_cpu(elem->logical_id);
2372 u32 phys_id = le32_to_cpu(elem->phys_id);
2373 u32 number = le32_to_cpu(elem->number);
2374 u16 cap = le16_to_cpu(elem->cap);
2375 bool found = true;
2376
2377 switch (cap) {
2378 case LIBIE_AQC_CAPS_VALID_FUNCTIONS:
2379 caps->valid_functions = number;
2380 ice_debug(hw, ICE_DBG_INIT, "%s: valid_functions (bitmap) = %d\n", prefix,
2381 caps->valid_functions);
2382 break;
2383 case LIBIE_AQC_CAPS_SRIOV:
2384 caps->sr_iov_1_1 = (number == 1);
2385 ice_debug(hw, ICE_DBG_INIT, "%s: sr_iov_1_1 = %d\n", prefix,
2386 caps->sr_iov_1_1);
2387 break;
2388 case LIBIE_AQC_CAPS_DCB:
2389 caps->dcb = (number == 1);
2390 caps->active_tc_bitmap = logical_id;
2391 caps->maxtc = phys_id;
2392 ice_debug(hw, ICE_DBG_INIT, "%s: dcb = %d\n", prefix, caps->dcb);
2393 ice_debug(hw, ICE_DBG_INIT, "%s: active_tc_bitmap = %d\n", prefix,
2394 caps->active_tc_bitmap);
2395 ice_debug(hw, ICE_DBG_INIT, "%s: maxtc = %d\n", prefix, caps->maxtc);
2396 break;
2397 case LIBIE_AQC_CAPS_RSS:
2398 caps->rss_table_size = number;
2399 caps->rss_table_entry_width = logical_id;
2400 ice_debug(hw, ICE_DBG_INIT, "%s: rss_table_size = %d\n", prefix,
2401 caps->rss_table_size);
2402 ice_debug(hw, ICE_DBG_INIT, "%s: rss_table_entry_width = %d\n", prefix,
2403 caps->rss_table_entry_width);
2404 break;
2405 case LIBIE_AQC_CAPS_RXQS:
2406 caps->num_rxq = number;
2407 caps->rxq_first_id = phys_id;
2408 ice_debug(hw, ICE_DBG_INIT, "%s: num_rxq = %d\n", prefix,
2409 caps->num_rxq);
2410 ice_debug(hw, ICE_DBG_INIT, "%s: rxq_first_id = %d\n", prefix,
2411 caps->rxq_first_id);
2412 break;
2413 case LIBIE_AQC_CAPS_TXQS:
2414 caps->num_txq = number;
2415 caps->txq_first_id = phys_id;
2416 ice_debug(hw, ICE_DBG_INIT, "%s: num_txq = %d\n", prefix,
2417 caps->num_txq);
2418 ice_debug(hw, ICE_DBG_INIT, "%s: txq_first_id = %d\n", prefix,
2419 caps->txq_first_id);
2420 break;
2421 case LIBIE_AQC_CAPS_MSIX:
2422 caps->num_msix_vectors = number;
2423 caps->msix_vector_first_id = phys_id;
2424 ice_debug(hw, ICE_DBG_INIT, "%s: num_msix_vectors = %d\n", prefix,
2425 caps->num_msix_vectors);
2426 ice_debug(hw, ICE_DBG_INIT, "%s: msix_vector_first_id = %d\n", prefix,
2427 caps->msix_vector_first_id);
2428 break;
2429 case LIBIE_AQC_CAPS_PENDING_NVM_VER:
2430 caps->nvm_update_pending_nvm = true;
2431 ice_debug(hw, ICE_DBG_INIT, "%s: update_pending_nvm\n", prefix);
2432 break;
2433 case LIBIE_AQC_CAPS_PENDING_OROM_VER:
2434 caps->nvm_update_pending_orom = true;
2435 ice_debug(hw, ICE_DBG_INIT, "%s: update_pending_orom\n", prefix);
2436 break;
2437 case LIBIE_AQC_CAPS_PENDING_NET_VER:
2438 caps->nvm_update_pending_netlist = true;
2439 ice_debug(hw, ICE_DBG_INIT, "%s: update_pending_netlist\n", prefix);
2440 break;
2441 case LIBIE_AQC_CAPS_NVM_MGMT:
2442 caps->nvm_unified_update =
2443 (number & ICE_NVM_MGMT_UNIFIED_UPD_SUPPORT) ?
2444 true : false;
2445 ice_debug(hw, ICE_DBG_INIT, "%s: nvm_unified_update = %d\n", prefix,
2446 caps->nvm_unified_update);
2447 break;
2448 case LIBIE_AQC_CAPS_RDMA:
2449 if (IS_ENABLED(CONFIG_INFINIBAND_IRDMA))
2450 caps->rdma = (number == 1);
2451 ice_debug(hw, ICE_DBG_INIT, "%s: rdma = %d\n", prefix, caps->rdma);
2452 break;
2453 case LIBIE_AQC_CAPS_MAX_MTU:
2454 caps->max_mtu = number;
2455 ice_debug(hw, ICE_DBG_INIT, "%s: max_mtu = %d\n",
2456 prefix, caps->max_mtu);
2457 break;
2458 case LIBIE_AQC_CAPS_PCIE_RESET_AVOIDANCE:
2459 caps->pcie_reset_avoidance = (number > 0);
2460 ice_debug(hw, ICE_DBG_INIT,
2461 "%s: pcie_reset_avoidance = %d\n", prefix,
2462 caps->pcie_reset_avoidance);
2463 break;
2464 case LIBIE_AQC_CAPS_POST_UPDATE_RESET_RESTRICT:
2465 caps->reset_restrict_support = (number == 1);
2466 ice_debug(hw, ICE_DBG_INIT,
2467 "%s: reset_restrict_support = %d\n", prefix,
2468 caps->reset_restrict_support);
2469 break;
2470 case LIBIE_AQC_CAPS_FW_LAG_SUPPORT:
2471 caps->roce_lag = number & LIBIE_AQC_BIT_ROCEV2_LAG;
2472 ice_debug(hw, ICE_DBG_INIT, "%s: roce_lag = %u\n",
2473 prefix, caps->roce_lag);
2474 caps->sriov_lag = number & LIBIE_AQC_BIT_SRIOV_LAG;
2475 ice_debug(hw, ICE_DBG_INIT, "%s: sriov_lag = %u\n",
2476 prefix, caps->sriov_lag);
2477 caps->sriov_aa_lag = number & LIBIE_AQC_BIT_SRIOV_AA_LAG;
2478 ice_debug(hw, ICE_DBG_INIT, "%s: sriov_aa_lag = %u\n",
2479 prefix, caps->sriov_aa_lag);
2480 break;
2481 case LIBIE_AQC_CAPS_TX_SCHED_TOPO_COMP_MODE:
2482 caps->tx_sched_topo_comp_mode_en = (number == 1);
2483 break;
2484 default:
2485 /* Not one of the recognized common capabilities */
2486 found = false;
2487 }
2488
2489 return found;
2490 }
2491
2492 /**
2493 * ice_recalc_port_limited_caps - Recalculate port limited capabilities
2494 * @hw: pointer to the HW structure
2495 * @caps: pointer to capabilities structure to fix
2496 *
2497 * Re-calculate the capabilities that are dependent on the number of physical
2498 * ports; i.e. some features are not supported or function differently on
2499 * devices with more than 4 ports.
2500 */
2501 static void
ice_recalc_port_limited_caps(struct ice_hw * hw,struct ice_hw_common_caps * caps)2502 ice_recalc_port_limited_caps(struct ice_hw *hw, struct ice_hw_common_caps *caps)
2503 {
2504 /* This assumes device capabilities are always scanned before function
2505 * capabilities during the initialization flow.
2506 */
2507 if (hw->dev_caps.num_funcs > 4) {
2508 /* Max 4 TCs per port */
2509 caps->maxtc = 4;
2510 ice_debug(hw, ICE_DBG_INIT, "reducing maxtc to %d (based on #ports)\n",
2511 caps->maxtc);
2512 if (caps->rdma) {
2513 ice_debug(hw, ICE_DBG_INIT, "forcing RDMA off\n");
2514 caps->rdma = 0;
2515 }
2516
2517 /* print message only when processing device capabilities
2518 * during initialization.
2519 */
2520 if (caps == &hw->dev_caps.common_cap)
2521 dev_info(ice_hw_to_dev(hw), "RDMA functionality is not available with the current device configuration.\n");
2522 }
2523 }
2524
2525 /**
2526 * ice_parse_vf_func_caps - Parse ICE_AQC_CAPS_VF function caps
2527 * @hw: pointer to the HW struct
2528 * @func_p: pointer to function capabilities structure
2529 * @cap: pointer to the capability element to parse
2530 *
2531 * Extract function capabilities for ICE_AQC_CAPS_VF.
2532 */
2533 static void
ice_parse_vf_func_caps(struct ice_hw * hw,struct ice_hw_func_caps * func_p,struct libie_aqc_list_caps_elem * cap)2534 ice_parse_vf_func_caps(struct ice_hw *hw, struct ice_hw_func_caps *func_p,
2535 struct libie_aqc_list_caps_elem *cap)
2536 {
2537 u32 logical_id = le32_to_cpu(cap->logical_id);
2538 u32 number = le32_to_cpu(cap->number);
2539
2540 func_p->num_allocd_vfs = number;
2541 func_p->vf_base_id = logical_id;
2542 ice_debug(hw, ICE_DBG_INIT, "func caps: num_allocd_vfs = %d\n",
2543 func_p->num_allocd_vfs);
2544 ice_debug(hw, ICE_DBG_INIT, "func caps: vf_base_id = %d\n",
2545 func_p->vf_base_id);
2546 }
2547
2548 /**
2549 * ice_parse_vsi_func_caps - Parse ICE_AQC_CAPS_VSI function caps
2550 * @hw: pointer to the HW struct
2551 * @func_p: pointer to function capabilities structure
2552 * @cap: pointer to the capability element to parse
2553 *
2554 * Extract function capabilities for ICE_AQC_CAPS_VSI.
2555 */
2556 static void
ice_parse_vsi_func_caps(struct ice_hw * hw,struct ice_hw_func_caps * func_p,struct libie_aqc_list_caps_elem * cap)2557 ice_parse_vsi_func_caps(struct ice_hw *hw, struct ice_hw_func_caps *func_p,
2558 struct libie_aqc_list_caps_elem *cap)
2559 {
2560 func_p->guar_num_vsi = ice_get_num_per_func(hw, ICE_MAX_VSI);
2561 ice_debug(hw, ICE_DBG_INIT, "func caps: guar_num_vsi (fw) = %d\n",
2562 le32_to_cpu(cap->number));
2563 ice_debug(hw, ICE_DBG_INIT, "func caps: guar_num_vsi = %d\n",
2564 func_p->guar_num_vsi);
2565 }
2566
2567 /**
2568 * ice_parse_1588_func_caps - Parse ICE_AQC_CAPS_1588 function caps
2569 * @hw: pointer to the HW struct
2570 * @func_p: pointer to function capabilities structure
2571 * @cap: pointer to the capability element to parse
2572 *
2573 * Extract function capabilities for ICE_AQC_CAPS_1588.
2574 */
2575 static void
ice_parse_1588_func_caps(struct ice_hw * hw,struct ice_hw_func_caps * func_p,struct libie_aqc_list_caps_elem * cap)2576 ice_parse_1588_func_caps(struct ice_hw *hw, struct ice_hw_func_caps *func_p,
2577 struct libie_aqc_list_caps_elem *cap)
2578 {
2579 struct ice_ts_func_info *info = &func_p->ts_func_info;
2580 u32 number = le32_to_cpu(cap->number);
2581
2582 info->ena = ((number & ICE_TS_FUNC_ENA_M) != 0);
2583 func_p->common_cap.ieee_1588 = info->ena;
2584
2585 info->src_tmr_owned = ((number & ICE_TS_SRC_TMR_OWND_M) != 0);
2586 info->tmr_ena = ((number & ICE_TS_TMR_ENA_M) != 0);
2587 info->tmr_index_owned = ((number & ICE_TS_TMR_IDX_OWND_M) != 0);
2588 info->tmr_index_assoc = ((number & ICE_TS_TMR_IDX_ASSOC_M) != 0);
2589
2590 if (hw->mac_type != ICE_MAC_GENERIC_3K_E825) {
2591 info->clk_freq = FIELD_GET(ICE_TS_CLK_FREQ_M, number);
2592 info->clk_src = ((number & ICE_TS_CLK_SRC_M) != 0);
2593 } else {
2594 info->clk_freq = ICE_TSPLL_FREQ_156_250;
2595 info->clk_src = ICE_CLK_SRC_TIME_REF;
2596 }
2597
2598 if (info->clk_freq < NUM_ICE_TSPLL_FREQ) {
2599 info->time_ref = (enum ice_tspll_freq)info->clk_freq;
2600 } else {
2601 /* Unknown clock frequency, so assume a (probably incorrect)
2602 * default to avoid out-of-bounds look ups of frequency
2603 * related information.
2604 */
2605 ice_debug(hw, ICE_DBG_INIT, "1588 func caps: unknown clock frequency %u\n",
2606 info->clk_freq);
2607 info->time_ref = ICE_TSPLL_FREQ_25_000;
2608 }
2609
2610 ice_debug(hw, ICE_DBG_INIT, "func caps: ieee_1588 = %u\n",
2611 func_p->common_cap.ieee_1588);
2612 ice_debug(hw, ICE_DBG_INIT, "func caps: src_tmr_owned = %u\n",
2613 info->src_tmr_owned);
2614 ice_debug(hw, ICE_DBG_INIT, "func caps: tmr_ena = %u\n",
2615 info->tmr_ena);
2616 ice_debug(hw, ICE_DBG_INIT, "func caps: tmr_index_owned = %u\n",
2617 info->tmr_index_owned);
2618 ice_debug(hw, ICE_DBG_INIT, "func caps: tmr_index_assoc = %u\n",
2619 info->tmr_index_assoc);
2620 ice_debug(hw, ICE_DBG_INIT, "func caps: clk_freq = %u\n",
2621 info->clk_freq);
2622 ice_debug(hw, ICE_DBG_INIT, "func caps: clk_src = %u\n",
2623 info->clk_src);
2624 }
2625
2626 /**
2627 * ice_parse_fdir_func_caps - Parse ICE_AQC_CAPS_FD function caps
2628 * @hw: pointer to the HW struct
2629 * @func_p: pointer to function capabilities structure
2630 *
2631 * Extract function capabilities for ICE_AQC_CAPS_FD.
2632 */
2633 static void
ice_parse_fdir_func_caps(struct ice_hw * hw,struct ice_hw_func_caps * func_p)2634 ice_parse_fdir_func_caps(struct ice_hw *hw, struct ice_hw_func_caps *func_p)
2635 {
2636 u32 reg_val, gsize, bsize;
2637
2638 reg_val = rd32(hw, GLQF_FD_SIZE);
2639 switch (hw->mac_type) {
2640 case ICE_MAC_E830:
2641 gsize = FIELD_GET(E830_GLQF_FD_SIZE_FD_GSIZE_M, reg_val);
2642 bsize = FIELD_GET(E830_GLQF_FD_SIZE_FD_BSIZE_M, reg_val);
2643 break;
2644 case ICE_MAC_E810:
2645 default:
2646 gsize = FIELD_GET(E800_GLQF_FD_SIZE_FD_GSIZE_M, reg_val);
2647 bsize = FIELD_GET(E800_GLQF_FD_SIZE_FD_BSIZE_M, reg_val);
2648 }
2649 func_p->fd_fltr_guar = ice_get_num_per_func(hw, gsize);
2650 func_p->fd_fltr_best_effort = bsize;
2651
2652 ice_debug(hw, ICE_DBG_INIT, "func caps: fd_fltr_guar = %d\n",
2653 func_p->fd_fltr_guar);
2654 ice_debug(hw, ICE_DBG_INIT, "func caps: fd_fltr_best_effort = %d\n",
2655 func_p->fd_fltr_best_effort);
2656 }
2657
2658 /**
2659 * ice_parse_func_caps - Parse function capabilities
2660 * @hw: pointer to the HW struct
2661 * @func_p: pointer to function capabilities structure
2662 * @buf: buffer containing the function capability records
2663 * @cap_count: the number of capabilities
2664 *
2665 * Helper function to parse function (0x000A) capabilities list. For
2666 * capabilities shared between device and function, this relies on
2667 * ice_parse_common_caps.
2668 *
2669 * Loop through the list of provided capabilities and extract the relevant
2670 * data into the function capabilities structured.
2671 */
2672 static void
ice_parse_func_caps(struct ice_hw * hw,struct ice_hw_func_caps * func_p,void * buf,u32 cap_count)2673 ice_parse_func_caps(struct ice_hw *hw, struct ice_hw_func_caps *func_p,
2674 void *buf, u32 cap_count)
2675 {
2676 struct libie_aqc_list_caps_elem *cap_resp;
2677 u32 i;
2678
2679 cap_resp = buf;
2680
2681 memset(func_p, 0, sizeof(*func_p));
2682
2683 for (i = 0; i < cap_count; i++) {
2684 u16 cap = le16_to_cpu(cap_resp[i].cap);
2685 bool found;
2686
2687 found = ice_parse_common_caps(hw, &func_p->common_cap,
2688 &cap_resp[i], "func caps");
2689
2690 switch (cap) {
2691 case LIBIE_AQC_CAPS_VF:
2692 ice_parse_vf_func_caps(hw, func_p, &cap_resp[i]);
2693 break;
2694 case LIBIE_AQC_CAPS_VSI:
2695 ice_parse_vsi_func_caps(hw, func_p, &cap_resp[i]);
2696 break;
2697 case LIBIE_AQC_CAPS_1588:
2698 ice_parse_1588_func_caps(hw, func_p, &cap_resp[i]);
2699 break;
2700 case LIBIE_AQC_CAPS_FD:
2701 ice_parse_fdir_func_caps(hw, func_p);
2702 break;
2703 default:
2704 /* Don't list common capabilities as unknown */
2705 if (!found)
2706 ice_debug(hw, ICE_DBG_INIT, "func caps: unknown capability[%d]: 0x%x\n",
2707 i, cap);
2708 break;
2709 }
2710 }
2711
2712 ice_recalc_port_limited_caps(hw, &func_p->common_cap);
2713 }
2714
2715 /**
2716 * ice_func_id_to_logical_id - map from function id to logical pf id
2717 * @active_function_bitmap: active function bitmap
2718 * @pf_id: function number of device
2719 *
2720 * Return: logical PF ID.
2721 */
ice_func_id_to_logical_id(u32 active_function_bitmap,u8 pf_id)2722 static int ice_func_id_to_logical_id(u32 active_function_bitmap, u8 pf_id)
2723 {
2724 u8 logical_id = 0;
2725 u8 i;
2726
2727 for (i = 0; i < pf_id; i++)
2728 if (active_function_bitmap & BIT(i))
2729 logical_id++;
2730
2731 return logical_id;
2732 }
2733
2734 /**
2735 * ice_parse_valid_functions_cap - Parse ICE_AQC_CAPS_VALID_FUNCTIONS caps
2736 * @hw: pointer to the HW struct
2737 * @dev_p: pointer to device capabilities structure
2738 * @cap: capability element to parse
2739 *
2740 * Parse ICE_AQC_CAPS_VALID_FUNCTIONS for device capabilities.
2741 */
2742 static void
ice_parse_valid_functions_cap(struct ice_hw * hw,struct ice_hw_dev_caps * dev_p,struct libie_aqc_list_caps_elem * cap)2743 ice_parse_valid_functions_cap(struct ice_hw *hw, struct ice_hw_dev_caps *dev_p,
2744 struct libie_aqc_list_caps_elem *cap)
2745 {
2746 u32 number = le32_to_cpu(cap->number);
2747
2748 dev_p->num_funcs = hweight32(number);
2749 ice_debug(hw, ICE_DBG_INIT, "dev caps: num_funcs = %d\n",
2750 dev_p->num_funcs);
2751
2752 hw->logical_pf_id = ice_func_id_to_logical_id(number, hw->pf_id);
2753 }
2754
2755 /**
2756 * ice_parse_vf_dev_caps - Parse ICE_AQC_CAPS_VF device caps
2757 * @hw: pointer to the HW struct
2758 * @dev_p: pointer to device capabilities structure
2759 * @cap: capability element to parse
2760 *
2761 * Parse ICE_AQC_CAPS_VF for device capabilities.
2762 */
2763 static void
ice_parse_vf_dev_caps(struct ice_hw * hw,struct ice_hw_dev_caps * dev_p,struct libie_aqc_list_caps_elem * cap)2764 ice_parse_vf_dev_caps(struct ice_hw *hw, struct ice_hw_dev_caps *dev_p,
2765 struct libie_aqc_list_caps_elem *cap)
2766 {
2767 u32 number = le32_to_cpu(cap->number);
2768
2769 dev_p->num_vfs_exposed = number;
2770 ice_debug(hw, ICE_DBG_INIT, "dev_caps: num_vfs_exposed = %d\n",
2771 dev_p->num_vfs_exposed);
2772 }
2773
2774 /**
2775 * ice_parse_vsi_dev_caps - Parse ICE_AQC_CAPS_VSI device caps
2776 * @hw: pointer to the HW struct
2777 * @dev_p: pointer to device capabilities structure
2778 * @cap: capability element to parse
2779 *
2780 * Parse ICE_AQC_CAPS_VSI for device capabilities.
2781 */
2782 static void
ice_parse_vsi_dev_caps(struct ice_hw * hw,struct ice_hw_dev_caps * dev_p,struct libie_aqc_list_caps_elem * cap)2783 ice_parse_vsi_dev_caps(struct ice_hw *hw, struct ice_hw_dev_caps *dev_p,
2784 struct libie_aqc_list_caps_elem *cap)
2785 {
2786 u32 number = le32_to_cpu(cap->number);
2787
2788 dev_p->num_vsi_allocd_to_host = number;
2789 ice_debug(hw, ICE_DBG_INIT, "dev caps: num_vsi_allocd_to_host = %d\n",
2790 dev_p->num_vsi_allocd_to_host);
2791 }
2792
2793 /**
2794 * ice_parse_1588_dev_caps - Parse ICE_AQC_CAPS_1588 device caps
2795 * @hw: pointer to the HW struct
2796 * @dev_p: pointer to device capabilities structure
2797 * @cap: capability element to parse
2798 *
2799 * Parse ICE_AQC_CAPS_1588 for device capabilities.
2800 */
2801 static void
ice_parse_1588_dev_caps(struct ice_hw * hw,struct ice_hw_dev_caps * dev_p,struct libie_aqc_list_caps_elem * cap)2802 ice_parse_1588_dev_caps(struct ice_hw *hw, struct ice_hw_dev_caps *dev_p,
2803 struct libie_aqc_list_caps_elem *cap)
2804 {
2805 struct ice_ts_dev_info *info = &dev_p->ts_dev_info;
2806 u32 logical_id = le32_to_cpu(cap->logical_id);
2807 u32 phys_id = le32_to_cpu(cap->phys_id);
2808 u32 number = le32_to_cpu(cap->number);
2809
2810 info->ena = ((number & ICE_TS_DEV_ENA_M) != 0);
2811 dev_p->common_cap.ieee_1588 = info->ena;
2812
2813 info->tmr0_owner = number & ICE_TS_TMR0_OWNR_M;
2814 info->tmr0_owned = ((number & ICE_TS_TMR0_OWND_M) != 0);
2815 info->tmr0_ena = ((number & ICE_TS_TMR0_ENA_M) != 0);
2816
2817 info->tmr1_owner = FIELD_GET(ICE_TS_TMR1_OWNR_M, number);
2818 info->tmr1_owned = ((number & ICE_TS_TMR1_OWND_M) != 0);
2819 info->tmr1_ena = ((number & ICE_TS_TMR1_ENA_M) != 0);
2820
2821 info->ts_ll_read = ((number & ICE_TS_LL_TX_TS_READ_M) != 0);
2822 info->ts_ll_int_read = ((number & ICE_TS_LL_TX_TS_INT_READ_M) != 0);
2823 info->ll_phy_tmr_update = ((number & ICE_TS_LL_PHY_TMR_UPDATE_M) != 0);
2824
2825 info->ena_ports = logical_id;
2826 info->tmr_own_map = phys_id;
2827
2828 ice_debug(hw, ICE_DBG_INIT, "dev caps: ieee_1588 = %u\n",
2829 dev_p->common_cap.ieee_1588);
2830 ice_debug(hw, ICE_DBG_INIT, "dev caps: tmr0_owner = %u\n",
2831 info->tmr0_owner);
2832 ice_debug(hw, ICE_DBG_INIT, "dev caps: tmr0_owned = %u\n",
2833 info->tmr0_owned);
2834 ice_debug(hw, ICE_DBG_INIT, "dev caps: tmr0_ena = %u\n",
2835 info->tmr0_ena);
2836 ice_debug(hw, ICE_DBG_INIT, "dev caps: tmr1_owner = %u\n",
2837 info->tmr1_owner);
2838 ice_debug(hw, ICE_DBG_INIT, "dev caps: tmr1_owned = %u\n",
2839 info->tmr1_owned);
2840 ice_debug(hw, ICE_DBG_INIT, "dev caps: tmr1_ena = %u\n",
2841 info->tmr1_ena);
2842 ice_debug(hw, ICE_DBG_INIT, "dev caps: ts_ll_read = %u\n",
2843 info->ts_ll_read);
2844 ice_debug(hw, ICE_DBG_INIT, "dev caps: ts_ll_int_read = %u\n",
2845 info->ts_ll_int_read);
2846 ice_debug(hw, ICE_DBG_INIT, "dev caps: ll_phy_tmr_update = %u\n",
2847 info->ll_phy_tmr_update);
2848 ice_debug(hw, ICE_DBG_INIT, "dev caps: ieee_1588 ena_ports = %u\n",
2849 info->ena_ports);
2850 ice_debug(hw, ICE_DBG_INIT, "dev caps: tmr_own_map = %u\n",
2851 info->tmr_own_map);
2852 }
2853
2854 /**
2855 * ice_parse_fdir_dev_caps - Parse ICE_AQC_CAPS_FD device caps
2856 * @hw: pointer to the HW struct
2857 * @dev_p: pointer to device capabilities structure
2858 * @cap: capability element to parse
2859 *
2860 * Parse ICE_AQC_CAPS_FD for device capabilities.
2861 */
2862 static void
ice_parse_fdir_dev_caps(struct ice_hw * hw,struct ice_hw_dev_caps * dev_p,struct libie_aqc_list_caps_elem * cap)2863 ice_parse_fdir_dev_caps(struct ice_hw *hw, struct ice_hw_dev_caps *dev_p,
2864 struct libie_aqc_list_caps_elem *cap)
2865 {
2866 u32 number = le32_to_cpu(cap->number);
2867
2868 dev_p->num_flow_director_fltr = number;
2869 ice_debug(hw, ICE_DBG_INIT, "dev caps: num_flow_director_fltr = %d\n",
2870 dev_p->num_flow_director_fltr);
2871 }
2872
2873 /**
2874 * ice_parse_sensor_reading_cap - Parse ICE_AQC_CAPS_SENSOR_READING cap
2875 * @hw: pointer to the HW struct
2876 * @dev_p: pointer to device capabilities structure
2877 * @cap: capability element to parse
2878 *
2879 * Parse ICE_AQC_CAPS_SENSOR_READING for device capability for reading
2880 * enabled sensors.
2881 */
2882 static void
ice_parse_sensor_reading_cap(struct ice_hw * hw,struct ice_hw_dev_caps * dev_p,struct libie_aqc_list_caps_elem * cap)2883 ice_parse_sensor_reading_cap(struct ice_hw *hw, struct ice_hw_dev_caps *dev_p,
2884 struct libie_aqc_list_caps_elem *cap)
2885 {
2886 dev_p->supported_sensors = le32_to_cpu(cap->number);
2887
2888 ice_debug(hw, ICE_DBG_INIT,
2889 "dev caps: supported sensors (bitmap) = 0x%x\n",
2890 dev_p->supported_sensors);
2891 }
2892
2893 /**
2894 * ice_parse_nac_topo_dev_caps - Parse ICE_AQC_CAPS_NAC_TOPOLOGY cap
2895 * @hw: pointer to the HW struct
2896 * @dev_p: pointer to device capabilities structure
2897 * @cap: capability element to parse
2898 *
2899 * Parse ICE_AQC_CAPS_NAC_TOPOLOGY for device capabilities.
2900 */
ice_parse_nac_topo_dev_caps(struct ice_hw * hw,struct ice_hw_dev_caps * dev_p,struct libie_aqc_list_caps_elem * cap)2901 static void ice_parse_nac_topo_dev_caps(struct ice_hw *hw,
2902 struct ice_hw_dev_caps *dev_p,
2903 struct libie_aqc_list_caps_elem *cap)
2904 {
2905 dev_p->nac_topo.mode = le32_to_cpu(cap->number);
2906 dev_p->nac_topo.id = le32_to_cpu(cap->phys_id) & ICE_NAC_TOPO_ID_M;
2907
2908 dev_info(ice_hw_to_dev(hw),
2909 "PF is configured in %s mode with IP instance ID %d\n",
2910 (dev_p->nac_topo.mode & ICE_NAC_TOPO_PRIMARY_M) ?
2911 "primary" : "secondary", dev_p->nac_topo.id);
2912
2913 ice_debug(hw, ICE_DBG_INIT, "dev caps: nac topology is_primary = %d\n",
2914 !!(dev_p->nac_topo.mode & ICE_NAC_TOPO_PRIMARY_M));
2915 ice_debug(hw, ICE_DBG_INIT, "dev caps: nac topology is_dual = %d\n",
2916 !!(dev_p->nac_topo.mode & ICE_NAC_TOPO_DUAL_M));
2917 ice_debug(hw, ICE_DBG_INIT, "dev caps: nac topology id = %d\n",
2918 dev_p->nac_topo.id);
2919 }
2920
2921 /**
2922 * ice_parse_dev_caps - Parse device capabilities
2923 * @hw: pointer to the HW struct
2924 * @dev_p: pointer to device capabilities structure
2925 * @buf: buffer containing the device capability records
2926 * @cap_count: the number of capabilities
2927 *
2928 * Helper device to parse device (0x000B) capabilities list. For
2929 * capabilities shared between device and function, this relies on
2930 * ice_parse_common_caps.
2931 *
2932 * Loop through the list of provided capabilities and extract the relevant
2933 * data into the device capabilities structured.
2934 */
2935 static void
ice_parse_dev_caps(struct ice_hw * hw,struct ice_hw_dev_caps * dev_p,void * buf,u32 cap_count)2936 ice_parse_dev_caps(struct ice_hw *hw, struct ice_hw_dev_caps *dev_p,
2937 void *buf, u32 cap_count)
2938 {
2939 struct libie_aqc_list_caps_elem *cap_resp;
2940 u32 i;
2941
2942 cap_resp = buf;
2943
2944 memset(dev_p, 0, sizeof(*dev_p));
2945
2946 for (i = 0; i < cap_count; i++) {
2947 u16 cap = le16_to_cpu(cap_resp[i].cap);
2948 bool found;
2949
2950 found = ice_parse_common_caps(hw, &dev_p->common_cap,
2951 &cap_resp[i], "dev caps");
2952
2953 switch (cap) {
2954 case LIBIE_AQC_CAPS_VALID_FUNCTIONS:
2955 ice_parse_valid_functions_cap(hw, dev_p, &cap_resp[i]);
2956 break;
2957 case LIBIE_AQC_CAPS_VF:
2958 ice_parse_vf_dev_caps(hw, dev_p, &cap_resp[i]);
2959 break;
2960 case LIBIE_AQC_CAPS_VSI:
2961 ice_parse_vsi_dev_caps(hw, dev_p, &cap_resp[i]);
2962 break;
2963 case LIBIE_AQC_CAPS_1588:
2964 ice_parse_1588_dev_caps(hw, dev_p, &cap_resp[i]);
2965 break;
2966 case LIBIE_AQC_CAPS_FD:
2967 ice_parse_fdir_dev_caps(hw, dev_p, &cap_resp[i]);
2968 break;
2969 case LIBIE_AQC_CAPS_SENSOR_READING:
2970 ice_parse_sensor_reading_cap(hw, dev_p, &cap_resp[i]);
2971 break;
2972 case LIBIE_AQC_CAPS_NAC_TOPOLOGY:
2973 ice_parse_nac_topo_dev_caps(hw, dev_p, &cap_resp[i]);
2974 break;
2975 default:
2976 /* Don't list common capabilities as unknown */
2977 if (!found)
2978 ice_debug(hw, ICE_DBG_INIT, "dev caps: unknown capability[%d]: 0x%x\n",
2979 i, cap);
2980 break;
2981 }
2982 }
2983
2984 ice_recalc_port_limited_caps(hw, &dev_p->common_cap);
2985 }
2986
2987 /**
2988 * ice_is_phy_rclk_in_netlist
2989 * @hw: pointer to the hw struct
2990 *
2991 * Check if the PHY Recovered Clock device is present in the netlist
2992 */
ice_is_phy_rclk_in_netlist(struct ice_hw * hw)2993 bool ice_is_phy_rclk_in_netlist(struct ice_hw *hw)
2994 {
2995 if (ice_find_netlist_node(hw, ICE_AQC_LINK_TOPO_NODE_TYPE_PHY,
2996 ICE_AQC_LINK_TOPO_NODE_CTX_PORT,
2997 ICE_AQC_GET_LINK_TOPO_NODE_NR_C827, NULL) &&
2998 ice_find_netlist_node(hw, ICE_AQC_LINK_TOPO_NODE_TYPE_PHY,
2999 ICE_AQC_LINK_TOPO_NODE_CTX_PORT,
3000 ICE_AQC_GET_LINK_TOPO_NODE_NR_E822_PHY, NULL))
3001 return false;
3002
3003 return true;
3004 }
3005
3006 /**
3007 * ice_is_clock_mux_in_netlist
3008 * @hw: pointer to the hw struct
3009 *
3010 * Check if the Clock Multiplexer device is present in the netlist
3011 */
ice_is_clock_mux_in_netlist(struct ice_hw * hw)3012 bool ice_is_clock_mux_in_netlist(struct ice_hw *hw)
3013 {
3014 if (ice_find_netlist_node(hw, ICE_AQC_LINK_TOPO_NODE_TYPE_CLK_MUX,
3015 ICE_AQC_LINK_TOPO_NODE_CTX_GLOBAL,
3016 ICE_AQC_GET_LINK_TOPO_NODE_NR_GEN_CLK_MUX,
3017 NULL))
3018 return false;
3019
3020 return true;
3021 }
3022
3023 /**
3024 * ice_is_cgu_in_netlist - check for CGU presence
3025 * @hw: pointer to the hw struct
3026 *
3027 * Check if the Clock Generation Unit (CGU) device is present in the netlist.
3028 * Save the CGU part number in the hw structure for later use.
3029 * Return:
3030 * * true - cgu is present
3031 * * false - cgu is not present
3032 */
ice_is_cgu_in_netlist(struct ice_hw * hw)3033 bool ice_is_cgu_in_netlist(struct ice_hw *hw)
3034 {
3035 if (!ice_find_netlist_node(hw, ICE_AQC_LINK_TOPO_NODE_TYPE_CLK_CTRL,
3036 ICE_AQC_LINK_TOPO_NODE_CTX_GLOBAL,
3037 ICE_AQC_GET_LINK_TOPO_NODE_NR_ZL30632_80032,
3038 NULL)) {
3039 hw->cgu_part_number = ICE_AQC_GET_LINK_TOPO_NODE_NR_ZL30632_80032;
3040 return true;
3041 } else if (!ice_find_netlist_node(hw,
3042 ICE_AQC_LINK_TOPO_NODE_TYPE_CLK_CTRL,
3043 ICE_AQC_LINK_TOPO_NODE_CTX_GLOBAL,
3044 ICE_AQC_GET_LINK_TOPO_NODE_NR_SI5383_5384,
3045 NULL)) {
3046 hw->cgu_part_number = ICE_AQC_GET_LINK_TOPO_NODE_NR_SI5383_5384;
3047 return true;
3048 }
3049
3050 return false;
3051 }
3052
3053 /**
3054 * ice_is_gps_in_netlist
3055 * @hw: pointer to the hw struct
3056 *
3057 * Check if the GPS generic device is present in the netlist
3058 */
ice_is_gps_in_netlist(struct ice_hw * hw)3059 bool ice_is_gps_in_netlist(struct ice_hw *hw)
3060 {
3061 if (ice_find_netlist_node(hw, ICE_AQC_LINK_TOPO_NODE_TYPE_GPS,
3062 ICE_AQC_LINK_TOPO_NODE_CTX_GLOBAL,
3063 ICE_AQC_GET_LINK_TOPO_NODE_NR_GEN_GPS, NULL))
3064 return false;
3065
3066 return true;
3067 }
3068
3069 /**
3070 * ice_aq_list_caps - query function/device capabilities
3071 * @hw: pointer to the HW struct
3072 * @buf: a buffer to hold the capabilities
3073 * @buf_size: size of the buffer
3074 * @cap_count: if not NULL, set to the number of capabilities reported
3075 * @opc: capabilities type to discover, device or function
3076 * @cd: pointer to command details structure or NULL
3077 *
3078 * Get the function (0x000A) or device (0x000B) capabilities description from
3079 * firmware and store it in the buffer.
3080 *
3081 * If the cap_count pointer is not NULL, then it is set to the number of
3082 * capabilities firmware will report. Note that if the buffer size is too
3083 * small, it is possible the command will return ICE_AQ_ERR_ENOMEM. The
3084 * cap_count will still be updated in this case. It is recommended that the
3085 * buffer size be set to ICE_AQ_MAX_BUF_LEN (the largest possible buffer that
3086 * firmware could return) to avoid this.
3087 */
3088 int
ice_aq_list_caps(struct ice_hw * hw,void * buf,u16 buf_size,u32 * cap_count,enum ice_adminq_opc opc,struct ice_sq_cd * cd)3089 ice_aq_list_caps(struct ice_hw *hw, void *buf, u16 buf_size, u32 *cap_count,
3090 enum ice_adminq_opc opc, struct ice_sq_cd *cd)
3091 {
3092 struct libie_aqc_list_caps *cmd;
3093 struct libie_aq_desc desc;
3094 int status;
3095
3096 cmd = &desc.params.get_cap;
3097
3098 if (opc != ice_aqc_opc_list_func_caps &&
3099 opc != ice_aqc_opc_list_dev_caps)
3100 return -EINVAL;
3101
3102 ice_fill_dflt_direct_cmd_desc(&desc, opc);
3103 status = ice_aq_send_cmd(hw, &desc, buf, buf_size, cd);
3104
3105 if (cap_count)
3106 *cap_count = le32_to_cpu(cmd->count);
3107
3108 return status;
3109 }
3110
3111 /**
3112 * ice_discover_dev_caps - Read and extract device capabilities
3113 * @hw: pointer to the hardware structure
3114 * @dev_caps: pointer to device capabilities structure
3115 *
3116 * Read the device capabilities and extract them into the dev_caps structure
3117 * for later use.
3118 */
3119 int
ice_discover_dev_caps(struct ice_hw * hw,struct ice_hw_dev_caps * dev_caps)3120 ice_discover_dev_caps(struct ice_hw *hw, struct ice_hw_dev_caps *dev_caps)
3121 {
3122 u32 cap_count = 0;
3123 void *cbuf;
3124 int status;
3125
3126 cbuf = kzalloc(ICE_AQ_MAX_BUF_LEN, GFP_KERNEL);
3127 if (!cbuf)
3128 return -ENOMEM;
3129
3130 /* Although the driver doesn't know the number of capabilities the
3131 * device will return, we can simply send a 4KB buffer, the maximum
3132 * possible size that firmware can return.
3133 */
3134 cap_count = ICE_AQ_MAX_BUF_LEN / sizeof(struct libie_aqc_list_caps_elem);
3135
3136 status = ice_aq_list_caps(hw, cbuf, ICE_AQ_MAX_BUF_LEN, &cap_count,
3137 ice_aqc_opc_list_dev_caps, NULL);
3138 if (!status)
3139 ice_parse_dev_caps(hw, dev_caps, cbuf, cap_count);
3140 kfree(cbuf);
3141
3142 return status;
3143 }
3144
3145 /**
3146 * ice_discover_func_caps - Read and extract function capabilities
3147 * @hw: pointer to the hardware structure
3148 * @func_caps: pointer to function capabilities structure
3149 *
3150 * Read the function capabilities and extract them into the func_caps structure
3151 * for later use.
3152 */
3153 static int
ice_discover_func_caps(struct ice_hw * hw,struct ice_hw_func_caps * func_caps)3154 ice_discover_func_caps(struct ice_hw *hw, struct ice_hw_func_caps *func_caps)
3155 {
3156 u32 cap_count = 0;
3157 void *cbuf;
3158 int status;
3159
3160 cbuf = kzalloc(ICE_AQ_MAX_BUF_LEN, GFP_KERNEL);
3161 if (!cbuf)
3162 return -ENOMEM;
3163
3164 /* Although the driver doesn't know the number of capabilities the
3165 * device will return, we can simply send a 4KB buffer, the maximum
3166 * possible size that firmware can return.
3167 */
3168 cap_count = ICE_AQ_MAX_BUF_LEN / sizeof(struct libie_aqc_list_caps_elem);
3169
3170 status = ice_aq_list_caps(hw, cbuf, ICE_AQ_MAX_BUF_LEN, &cap_count,
3171 ice_aqc_opc_list_func_caps, NULL);
3172 if (!status)
3173 ice_parse_func_caps(hw, func_caps, cbuf, cap_count);
3174 kfree(cbuf);
3175
3176 return status;
3177 }
3178
3179 /**
3180 * ice_set_safe_mode_caps - Override dev/func capabilities when in safe mode
3181 * @hw: pointer to the hardware structure
3182 */
ice_set_safe_mode_caps(struct ice_hw * hw)3183 void ice_set_safe_mode_caps(struct ice_hw *hw)
3184 {
3185 struct ice_hw_func_caps *func_caps = &hw->func_caps;
3186 struct ice_hw_dev_caps *dev_caps = &hw->dev_caps;
3187 struct ice_hw_common_caps cached_caps;
3188 u32 num_funcs;
3189
3190 /* cache some func_caps values that should be restored after memset */
3191 cached_caps = func_caps->common_cap;
3192
3193 /* unset func capabilities */
3194 memset(func_caps, 0, sizeof(*func_caps));
3195
3196 #define ICE_RESTORE_FUNC_CAP(name) \
3197 func_caps->common_cap.name = cached_caps.name
3198
3199 /* restore cached values */
3200 ICE_RESTORE_FUNC_CAP(valid_functions);
3201 ICE_RESTORE_FUNC_CAP(txq_first_id);
3202 ICE_RESTORE_FUNC_CAP(rxq_first_id);
3203 ICE_RESTORE_FUNC_CAP(msix_vector_first_id);
3204 ICE_RESTORE_FUNC_CAP(max_mtu);
3205 ICE_RESTORE_FUNC_CAP(nvm_unified_update);
3206 ICE_RESTORE_FUNC_CAP(nvm_update_pending_nvm);
3207 ICE_RESTORE_FUNC_CAP(nvm_update_pending_orom);
3208 ICE_RESTORE_FUNC_CAP(nvm_update_pending_netlist);
3209
3210 /* one Tx and one Rx queue in safe mode */
3211 func_caps->common_cap.num_rxq = 1;
3212 func_caps->common_cap.num_txq = 1;
3213
3214 /* two MSIX vectors, one for traffic and one for misc causes */
3215 func_caps->common_cap.num_msix_vectors = 2;
3216 func_caps->guar_num_vsi = 1;
3217
3218 /* cache some dev_caps values that should be restored after memset */
3219 cached_caps = dev_caps->common_cap;
3220 num_funcs = dev_caps->num_funcs;
3221
3222 /* unset dev capabilities */
3223 memset(dev_caps, 0, sizeof(*dev_caps));
3224
3225 #define ICE_RESTORE_DEV_CAP(name) \
3226 dev_caps->common_cap.name = cached_caps.name
3227
3228 /* restore cached values */
3229 ICE_RESTORE_DEV_CAP(valid_functions);
3230 ICE_RESTORE_DEV_CAP(txq_first_id);
3231 ICE_RESTORE_DEV_CAP(rxq_first_id);
3232 ICE_RESTORE_DEV_CAP(msix_vector_first_id);
3233 ICE_RESTORE_DEV_CAP(max_mtu);
3234 ICE_RESTORE_DEV_CAP(nvm_unified_update);
3235 ICE_RESTORE_DEV_CAP(nvm_update_pending_nvm);
3236 ICE_RESTORE_DEV_CAP(nvm_update_pending_orom);
3237 ICE_RESTORE_DEV_CAP(nvm_update_pending_netlist);
3238 dev_caps->num_funcs = num_funcs;
3239
3240 /* one Tx and one Rx queue per function in safe mode */
3241 dev_caps->common_cap.num_rxq = num_funcs;
3242 dev_caps->common_cap.num_txq = num_funcs;
3243
3244 /* two MSIX vectors per function */
3245 dev_caps->common_cap.num_msix_vectors = 2 * num_funcs;
3246 }
3247
3248 /**
3249 * ice_get_caps - get info about the HW
3250 * @hw: pointer to the hardware structure
3251 */
ice_get_caps(struct ice_hw * hw)3252 int ice_get_caps(struct ice_hw *hw)
3253 {
3254 int status;
3255
3256 status = ice_discover_dev_caps(hw, &hw->dev_caps);
3257 if (status)
3258 return status;
3259
3260 return ice_discover_func_caps(hw, &hw->func_caps);
3261 }
3262
3263 /**
3264 * ice_aq_manage_mac_write - manage MAC address write command
3265 * @hw: pointer to the HW struct
3266 * @mac_addr: MAC address to be written as LAA/LAA+WoL/Port address
3267 * @flags: flags to control write behavior
3268 * @cd: pointer to command details structure or NULL
3269 *
3270 * This function is used to write MAC address to the NVM (0x0108).
3271 */
3272 int
ice_aq_manage_mac_write(struct ice_hw * hw,const u8 * mac_addr,u8 flags,struct ice_sq_cd * cd)3273 ice_aq_manage_mac_write(struct ice_hw *hw, const u8 *mac_addr, u8 flags,
3274 struct ice_sq_cd *cd)
3275 {
3276 struct ice_aqc_manage_mac_write *cmd;
3277 struct libie_aq_desc desc;
3278
3279 cmd = libie_aq_raw(&desc);
3280 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_manage_mac_write);
3281
3282 cmd->flags = flags;
3283 ether_addr_copy(cmd->mac_addr, mac_addr);
3284
3285 return ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
3286 }
3287
3288 /**
3289 * ice_aq_clear_pxe_mode
3290 * @hw: pointer to the HW struct
3291 *
3292 * Tell the firmware that the driver is taking over from PXE (0x0110).
3293 */
ice_aq_clear_pxe_mode(struct ice_hw * hw)3294 static int ice_aq_clear_pxe_mode(struct ice_hw *hw)
3295 {
3296 struct ice_aqc_clear_pxe *cmd;
3297 struct libie_aq_desc desc;
3298
3299 cmd = libie_aq_raw(&desc);
3300 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_clear_pxe_mode);
3301 cmd->rx_cnt = ICE_AQC_CLEAR_PXE_RX_CNT;
3302
3303 return ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
3304 }
3305
3306 /**
3307 * ice_clear_pxe_mode - clear pxe operations mode
3308 * @hw: pointer to the HW struct
3309 *
3310 * Make sure all PXE mode settings are cleared, including things
3311 * like descriptor fetch/write-back mode.
3312 */
ice_clear_pxe_mode(struct ice_hw * hw)3313 void ice_clear_pxe_mode(struct ice_hw *hw)
3314 {
3315 if (ice_check_sq_alive(hw, &hw->adminq))
3316 ice_aq_clear_pxe_mode(hw);
3317 }
3318
3319 /**
3320 * ice_aq_set_port_params - set physical port parameters.
3321 * @pi: pointer to the port info struct
3322 * @double_vlan: if set double VLAN is enabled
3323 * @cd: pointer to command details structure or NULL
3324 *
3325 * Set Physical port parameters (0x0203)
3326 */
3327 int
ice_aq_set_port_params(struct ice_port_info * pi,bool double_vlan,struct ice_sq_cd * cd)3328 ice_aq_set_port_params(struct ice_port_info *pi, bool double_vlan,
3329 struct ice_sq_cd *cd)
3330
3331 {
3332 struct ice_aqc_set_port_params *cmd;
3333 struct ice_hw *hw = pi->hw;
3334 struct libie_aq_desc desc;
3335 u16 cmd_flags = 0;
3336
3337 cmd = libie_aq_raw(&desc);
3338
3339 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_port_params);
3340 if (double_vlan)
3341 cmd_flags |= ICE_AQC_SET_P_PARAMS_DOUBLE_VLAN_ENA;
3342 cmd->cmd_flags = cpu_to_le16(cmd_flags);
3343
3344 cmd->local_fwd_mode = pi->local_fwd_mode |
3345 ICE_AQC_SET_P_PARAMS_LOCAL_FWD_MODE_VALID;
3346
3347 return ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
3348 }
3349
3350 /**
3351 * ice_is_100m_speed_supported
3352 * @hw: pointer to the HW struct
3353 *
3354 * returns true if 100M speeds are supported by the device,
3355 * false otherwise.
3356 */
ice_is_100m_speed_supported(struct ice_hw * hw)3357 bool ice_is_100m_speed_supported(struct ice_hw *hw)
3358 {
3359 switch (hw->device_id) {
3360 case ICE_DEV_ID_E822C_SGMII:
3361 case ICE_DEV_ID_E822L_SGMII:
3362 case ICE_DEV_ID_E823L_1GBE:
3363 case ICE_DEV_ID_E823C_SGMII:
3364 case ICE_DEV_ID_E825C_SGMII:
3365 return true;
3366 default:
3367 return false;
3368 }
3369 }
3370
3371 /**
3372 * ice_get_link_speed_based_on_phy_type - returns link speed
3373 * @phy_type_low: lower part of phy_type
3374 * @phy_type_high: higher part of phy_type
3375 *
3376 * This helper function will convert an entry in PHY type structure
3377 * [phy_type_low, phy_type_high] to its corresponding link speed.
3378 * Note: In the structure of [phy_type_low, phy_type_high], there should
3379 * be one bit set, as this function will convert one PHY type to its
3380 * speed.
3381 *
3382 * Return:
3383 * * PHY speed for recognized PHY type
3384 * * If no bit gets set, ICE_AQ_LINK_SPEED_UNKNOWN will be returned
3385 * * If more than one bit gets set, ICE_AQ_LINK_SPEED_UNKNOWN will be returned
3386 */
ice_get_link_speed_based_on_phy_type(u64 phy_type_low,u64 phy_type_high)3387 u16 ice_get_link_speed_based_on_phy_type(u64 phy_type_low, u64 phy_type_high)
3388 {
3389 u16 speed_phy_type_high = ICE_AQ_LINK_SPEED_UNKNOWN;
3390 u16 speed_phy_type_low = ICE_AQ_LINK_SPEED_UNKNOWN;
3391
3392 switch (phy_type_low) {
3393 case ICE_PHY_TYPE_LOW_100BASE_TX:
3394 case ICE_PHY_TYPE_LOW_100M_SGMII:
3395 speed_phy_type_low = ICE_AQ_LINK_SPEED_100MB;
3396 break;
3397 case ICE_PHY_TYPE_LOW_1000BASE_T:
3398 case ICE_PHY_TYPE_LOW_1000BASE_SX:
3399 case ICE_PHY_TYPE_LOW_1000BASE_LX:
3400 case ICE_PHY_TYPE_LOW_1000BASE_KX:
3401 case ICE_PHY_TYPE_LOW_1G_SGMII:
3402 speed_phy_type_low = ICE_AQ_LINK_SPEED_1000MB;
3403 break;
3404 case ICE_PHY_TYPE_LOW_2500BASE_T:
3405 case ICE_PHY_TYPE_LOW_2500BASE_X:
3406 case ICE_PHY_TYPE_LOW_2500BASE_KX:
3407 speed_phy_type_low = ICE_AQ_LINK_SPEED_2500MB;
3408 break;
3409 case ICE_PHY_TYPE_LOW_5GBASE_T:
3410 case ICE_PHY_TYPE_LOW_5GBASE_KR:
3411 speed_phy_type_low = ICE_AQ_LINK_SPEED_5GB;
3412 break;
3413 case ICE_PHY_TYPE_LOW_10GBASE_T:
3414 case ICE_PHY_TYPE_LOW_10G_SFI_DA:
3415 case ICE_PHY_TYPE_LOW_10GBASE_SR:
3416 case ICE_PHY_TYPE_LOW_10GBASE_LR:
3417 case ICE_PHY_TYPE_LOW_10GBASE_KR_CR1:
3418 case ICE_PHY_TYPE_LOW_10G_SFI_AOC_ACC:
3419 case ICE_PHY_TYPE_LOW_10G_SFI_C2C:
3420 speed_phy_type_low = ICE_AQ_LINK_SPEED_10GB;
3421 break;
3422 case ICE_PHY_TYPE_LOW_25GBASE_T:
3423 case ICE_PHY_TYPE_LOW_25GBASE_CR:
3424 case ICE_PHY_TYPE_LOW_25GBASE_CR_S:
3425 case ICE_PHY_TYPE_LOW_25GBASE_CR1:
3426 case ICE_PHY_TYPE_LOW_25GBASE_SR:
3427 case ICE_PHY_TYPE_LOW_25GBASE_LR:
3428 case ICE_PHY_TYPE_LOW_25GBASE_KR:
3429 case ICE_PHY_TYPE_LOW_25GBASE_KR_S:
3430 case ICE_PHY_TYPE_LOW_25GBASE_KR1:
3431 case ICE_PHY_TYPE_LOW_25G_AUI_AOC_ACC:
3432 case ICE_PHY_TYPE_LOW_25G_AUI_C2C:
3433 speed_phy_type_low = ICE_AQ_LINK_SPEED_25GB;
3434 break;
3435 case ICE_PHY_TYPE_LOW_40GBASE_CR4:
3436 case ICE_PHY_TYPE_LOW_40GBASE_SR4:
3437 case ICE_PHY_TYPE_LOW_40GBASE_LR4:
3438 case ICE_PHY_TYPE_LOW_40GBASE_KR4:
3439 case ICE_PHY_TYPE_LOW_40G_XLAUI_AOC_ACC:
3440 case ICE_PHY_TYPE_LOW_40G_XLAUI:
3441 speed_phy_type_low = ICE_AQ_LINK_SPEED_40GB;
3442 break;
3443 case ICE_PHY_TYPE_LOW_50GBASE_CR2:
3444 case ICE_PHY_TYPE_LOW_50GBASE_SR2:
3445 case ICE_PHY_TYPE_LOW_50GBASE_LR2:
3446 case ICE_PHY_TYPE_LOW_50GBASE_KR2:
3447 case ICE_PHY_TYPE_LOW_50G_LAUI2_AOC_ACC:
3448 case ICE_PHY_TYPE_LOW_50G_LAUI2:
3449 case ICE_PHY_TYPE_LOW_50G_AUI2_AOC_ACC:
3450 case ICE_PHY_TYPE_LOW_50G_AUI2:
3451 case ICE_PHY_TYPE_LOW_50GBASE_CP:
3452 case ICE_PHY_TYPE_LOW_50GBASE_SR:
3453 case ICE_PHY_TYPE_LOW_50GBASE_FR:
3454 case ICE_PHY_TYPE_LOW_50GBASE_LR:
3455 case ICE_PHY_TYPE_LOW_50GBASE_KR_PAM4:
3456 case ICE_PHY_TYPE_LOW_50G_AUI1_AOC_ACC:
3457 case ICE_PHY_TYPE_LOW_50G_AUI1:
3458 speed_phy_type_low = ICE_AQ_LINK_SPEED_50GB;
3459 break;
3460 case ICE_PHY_TYPE_LOW_100GBASE_CR4:
3461 case ICE_PHY_TYPE_LOW_100GBASE_SR4:
3462 case ICE_PHY_TYPE_LOW_100GBASE_LR4:
3463 case ICE_PHY_TYPE_LOW_100GBASE_KR4:
3464 case ICE_PHY_TYPE_LOW_100G_CAUI4_AOC_ACC:
3465 case ICE_PHY_TYPE_LOW_100G_CAUI4:
3466 case ICE_PHY_TYPE_LOW_100G_AUI4_AOC_ACC:
3467 case ICE_PHY_TYPE_LOW_100G_AUI4:
3468 case ICE_PHY_TYPE_LOW_100GBASE_CR_PAM4:
3469 case ICE_PHY_TYPE_LOW_100GBASE_KR_PAM4:
3470 case ICE_PHY_TYPE_LOW_100GBASE_CP2:
3471 case ICE_PHY_TYPE_LOW_100GBASE_SR2:
3472 case ICE_PHY_TYPE_LOW_100GBASE_DR:
3473 speed_phy_type_low = ICE_AQ_LINK_SPEED_100GB;
3474 break;
3475 default:
3476 speed_phy_type_low = ICE_AQ_LINK_SPEED_UNKNOWN;
3477 break;
3478 }
3479
3480 switch (phy_type_high) {
3481 case ICE_PHY_TYPE_HIGH_100GBASE_KR2_PAM4:
3482 case ICE_PHY_TYPE_HIGH_100G_CAUI2_AOC_ACC:
3483 case ICE_PHY_TYPE_HIGH_100G_CAUI2:
3484 case ICE_PHY_TYPE_HIGH_100G_AUI2_AOC_ACC:
3485 case ICE_PHY_TYPE_HIGH_100G_AUI2:
3486 speed_phy_type_high = ICE_AQ_LINK_SPEED_100GB;
3487 break;
3488 case ICE_PHY_TYPE_HIGH_200G_CR4_PAM4:
3489 case ICE_PHY_TYPE_HIGH_200G_SR4:
3490 case ICE_PHY_TYPE_HIGH_200G_FR4:
3491 case ICE_PHY_TYPE_HIGH_200G_LR4:
3492 case ICE_PHY_TYPE_HIGH_200G_DR4:
3493 case ICE_PHY_TYPE_HIGH_200G_KR4_PAM4:
3494 case ICE_PHY_TYPE_HIGH_200G_AUI4_AOC_ACC:
3495 case ICE_PHY_TYPE_HIGH_200G_AUI4:
3496 speed_phy_type_high = ICE_AQ_LINK_SPEED_200GB;
3497 break;
3498 default:
3499 speed_phy_type_high = ICE_AQ_LINK_SPEED_UNKNOWN;
3500 break;
3501 }
3502
3503 if (speed_phy_type_low == ICE_AQ_LINK_SPEED_UNKNOWN &&
3504 speed_phy_type_high == ICE_AQ_LINK_SPEED_UNKNOWN)
3505 return ICE_AQ_LINK_SPEED_UNKNOWN;
3506 else if (speed_phy_type_low != ICE_AQ_LINK_SPEED_UNKNOWN &&
3507 speed_phy_type_high != ICE_AQ_LINK_SPEED_UNKNOWN)
3508 return ICE_AQ_LINK_SPEED_UNKNOWN;
3509 else if (speed_phy_type_low != ICE_AQ_LINK_SPEED_UNKNOWN &&
3510 speed_phy_type_high == ICE_AQ_LINK_SPEED_UNKNOWN)
3511 return speed_phy_type_low;
3512 else
3513 return speed_phy_type_high;
3514 }
3515
3516 /**
3517 * ice_update_phy_type
3518 * @phy_type_low: pointer to the lower part of phy_type
3519 * @phy_type_high: pointer to the higher part of phy_type
3520 * @link_speeds_bitmap: targeted link speeds bitmap
3521 *
3522 * Note: For the link_speeds_bitmap structure, you can check it at
3523 * [ice_aqc_get_link_status->link_speed]. Caller can pass in
3524 * link_speeds_bitmap include multiple speeds.
3525 *
3526 * Each entry in this [phy_type_low, phy_type_high] structure will
3527 * present a certain link speed. This helper function will turn on bits
3528 * in [phy_type_low, phy_type_high] structure based on the value of
3529 * link_speeds_bitmap input parameter.
3530 */
3531 void
ice_update_phy_type(u64 * phy_type_low,u64 * phy_type_high,u16 link_speeds_bitmap)3532 ice_update_phy_type(u64 *phy_type_low, u64 *phy_type_high,
3533 u16 link_speeds_bitmap)
3534 {
3535 u64 pt_high;
3536 u64 pt_low;
3537 int index;
3538 u16 speed;
3539
3540 /* We first check with low part of phy_type */
3541 for (index = 0; index <= ICE_PHY_TYPE_LOW_MAX_INDEX; index++) {
3542 pt_low = BIT_ULL(index);
3543 speed = ice_get_link_speed_based_on_phy_type(pt_low, 0);
3544
3545 if (link_speeds_bitmap & speed)
3546 *phy_type_low |= BIT_ULL(index);
3547 }
3548
3549 /* We then check with high part of phy_type */
3550 for (index = 0; index <= ICE_PHY_TYPE_HIGH_MAX_INDEX; index++) {
3551 pt_high = BIT_ULL(index);
3552 speed = ice_get_link_speed_based_on_phy_type(0, pt_high);
3553
3554 if (link_speeds_bitmap & speed)
3555 *phy_type_high |= BIT_ULL(index);
3556 }
3557 }
3558
3559 /**
3560 * ice_aq_set_phy_cfg
3561 * @hw: pointer to the HW struct
3562 * @pi: port info structure of the interested logical port
3563 * @cfg: structure with PHY configuration data to be set
3564 * @cd: pointer to command details structure or NULL
3565 *
3566 * Set the various PHY configuration parameters supported on the Port.
3567 * One or more of the Set PHY config parameters may be ignored in an MFP
3568 * mode as the PF may not have the privilege to set some of the PHY Config
3569 * parameters. This status will be indicated by the command response (0x0601).
3570 */
3571 int
ice_aq_set_phy_cfg(struct ice_hw * hw,struct ice_port_info * pi,struct ice_aqc_set_phy_cfg_data * cfg,struct ice_sq_cd * cd)3572 ice_aq_set_phy_cfg(struct ice_hw *hw, struct ice_port_info *pi,
3573 struct ice_aqc_set_phy_cfg_data *cfg, struct ice_sq_cd *cd)
3574 {
3575 struct ice_aqc_set_phy_cfg *cmd;
3576 struct libie_aq_desc desc;
3577 int status;
3578
3579 if (!cfg)
3580 return -EINVAL;
3581
3582 /* Ensure that only valid bits of cfg->caps can be turned on. */
3583 if (cfg->caps & ~ICE_AQ_PHY_ENA_VALID_MASK) {
3584 ice_debug(hw, ICE_DBG_PHY, "Invalid bit is set in ice_aqc_set_phy_cfg_data->caps : 0x%x\n",
3585 cfg->caps);
3586
3587 cfg->caps &= ICE_AQ_PHY_ENA_VALID_MASK;
3588 }
3589
3590 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_phy_cfg);
3591 cmd = libie_aq_raw(&desc);
3592 cmd->lport_num = pi->lport;
3593 desc.flags |= cpu_to_le16(LIBIE_AQ_FLAG_RD);
3594
3595 ice_debug(hw, ICE_DBG_LINK, "set phy cfg\n");
3596 ice_debug(hw, ICE_DBG_LINK, " phy_type_low = 0x%llx\n",
3597 (unsigned long long)le64_to_cpu(cfg->phy_type_low));
3598 ice_debug(hw, ICE_DBG_LINK, " phy_type_high = 0x%llx\n",
3599 (unsigned long long)le64_to_cpu(cfg->phy_type_high));
3600 ice_debug(hw, ICE_DBG_LINK, " caps = 0x%x\n", cfg->caps);
3601 ice_debug(hw, ICE_DBG_LINK, " low_power_ctrl_an = 0x%x\n",
3602 cfg->low_power_ctrl_an);
3603 ice_debug(hw, ICE_DBG_LINK, " eee_cap = 0x%x\n", cfg->eee_cap);
3604 ice_debug(hw, ICE_DBG_LINK, " eeer_value = 0x%x\n", cfg->eeer_value);
3605 ice_debug(hw, ICE_DBG_LINK, " link_fec_opt = 0x%x\n",
3606 cfg->link_fec_opt);
3607
3608 status = ice_aq_send_cmd(hw, &desc, cfg, sizeof(*cfg), cd);
3609 if (hw->adminq.sq_last_status == LIBIE_AQ_RC_EMODE)
3610 status = 0;
3611
3612 if (!status)
3613 pi->phy.curr_user_phy_cfg = *cfg;
3614
3615 return status;
3616 }
3617
3618 /**
3619 * ice_update_link_info - update status of the HW network link
3620 * @pi: port info structure of the interested logical port
3621 */
ice_update_link_info(struct ice_port_info * pi)3622 int ice_update_link_info(struct ice_port_info *pi)
3623 {
3624 struct ice_link_status *li;
3625 int status;
3626
3627 if (!pi)
3628 return -EINVAL;
3629
3630 li = &pi->phy.link_info;
3631
3632 status = ice_aq_get_link_info(pi, true, NULL, NULL);
3633 if (status)
3634 return status;
3635
3636 if (li->link_info & ICE_AQ_MEDIA_AVAILABLE) {
3637 struct ice_aqc_get_phy_caps_data *pcaps __free(kfree) = NULL;
3638
3639 pcaps = kzalloc_obj(*pcaps);
3640 if (!pcaps)
3641 return -ENOMEM;
3642
3643 status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_TOPO_CAP_MEDIA,
3644 pcaps, NULL);
3645 }
3646
3647 return status;
3648 }
3649
3650 /**
3651 * ice_aq_get_phy_equalization - function to read serdes equaliser
3652 * value from firmware using admin queue command.
3653 * @hw: pointer to the HW struct
3654 * @data_in: represents the serdes equalization parameter requested
3655 * @op_code: represents the serdes number and flag to represent tx or rx
3656 * @serdes_num: represents the serdes number
3657 * @output: pointer to the caller-supplied buffer to return serdes equaliser
3658 *
3659 * Return: non-zero status on error and 0 on success.
3660 */
ice_aq_get_phy_equalization(struct ice_hw * hw,u16 data_in,u16 op_code,u8 serdes_num,int * output)3661 int ice_aq_get_phy_equalization(struct ice_hw *hw, u16 data_in, u16 op_code,
3662 u8 serdes_num, int *output)
3663 {
3664 struct ice_aqc_dnl_call_command *cmd;
3665 struct ice_aqc_dnl_call buf = {};
3666 struct libie_aq_desc desc;
3667 int err;
3668
3669 buf.sto.txrx_equa_reqs.data_in = cpu_to_le16(data_in);
3670 buf.sto.txrx_equa_reqs.op_code_serdes_sel =
3671 cpu_to_le16(op_code | (serdes_num & 0xF));
3672 cmd = libie_aq_raw(&desc);
3673 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_dnl_call);
3674 desc.flags |= cpu_to_le16(LIBIE_AQ_FLAG_BUF |
3675 LIBIE_AQ_FLAG_RD |
3676 LIBIE_AQ_FLAG_SI);
3677 desc.datalen = cpu_to_le16(sizeof(struct ice_aqc_dnl_call));
3678 cmd->activity_id = cpu_to_le16(ICE_AQC_ACT_ID_DNL);
3679
3680 err = ice_aq_send_cmd(hw, &desc, &buf, sizeof(struct ice_aqc_dnl_call),
3681 NULL);
3682 *output = err ? 0 : buf.sto.txrx_equa_resp.val;
3683
3684 return err;
3685 }
3686
3687 #define FEC_REG_PORT(port) { \
3688 FEC_CORR_LOW_REG_PORT##port, \
3689 FEC_CORR_HIGH_REG_PORT##port, \
3690 FEC_UNCORR_LOW_REG_PORT##port, \
3691 FEC_UNCORR_HIGH_REG_PORT##port, \
3692 }
3693
3694 static const u32 fec_reg[][ICE_FEC_MAX] = {
3695 FEC_REG_PORT(0),
3696 FEC_REG_PORT(1),
3697 FEC_REG_PORT(2),
3698 FEC_REG_PORT(3)
3699 };
3700
3701 /**
3702 * ice_aq_get_fec_stats - reads fec stats from phy
3703 * @hw: pointer to the HW struct
3704 * @pcs_quad: represents pcsquad of user input serdes
3705 * @pcs_port: represents the pcs port number part of above pcs quad
3706 * @fec_type: represents FEC stats type
3707 * @output: pointer to the caller-supplied buffer to return requested fec stats
3708 *
3709 * Return: non-zero status on error and 0 on success.
3710 */
ice_aq_get_fec_stats(struct ice_hw * hw,u16 pcs_quad,u16 pcs_port,enum ice_fec_stats_types fec_type,u32 * output)3711 int ice_aq_get_fec_stats(struct ice_hw *hw, u16 pcs_quad, u16 pcs_port,
3712 enum ice_fec_stats_types fec_type, u32 *output)
3713 {
3714 u16 flag = (LIBIE_AQ_FLAG_RD | LIBIE_AQ_FLAG_BUF | LIBIE_AQ_FLAG_SI);
3715 struct ice_sbq_msg_input msg = {};
3716 u32 receiver_id, reg_offset;
3717 int err;
3718
3719 if (pcs_port > 3)
3720 return -EINVAL;
3721
3722 reg_offset = fec_reg[pcs_port][fec_type];
3723
3724 if (pcs_quad == 0)
3725 receiver_id = FEC_RECEIVER_ID_PCS0;
3726 else if (pcs_quad == 1)
3727 receiver_id = FEC_RECEIVER_ID_PCS1;
3728 else
3729 return -EINVAL;
3730
3731 msg.msg_addr_low = lower_16_bits(reg_offset);
3732 msg.msg_addr_high = receiver_id;
3733 msg.opcode = ice_sbq_msg_rd;
3734 msg.dest_dev = ice_sbq_dev_phy_0;
3735
3736 err = ice_sbq_rw_reg(hw, &msg, flag);
3737 if (err)
3738 return err;
3739
3740 *output = msg.data;
3741 return 0;
3742 }
3743
3744 /**
3745 * ice_cache_phy_user_req
3746 * @pi: port information structure
3747 * @cache_data: PHY logging data
3748 * @cache_mode: PHY logging mode
3749 *
3750 * Log the user request on (FC, FEC, SPEED) for later use.
3751 */
3752 static void
ice_cache_phy_user_req(struct ice_port_info * pi,struct ice_phy_cache_mode_data cache_data,enum ice_phy_cache_mode cache_mode)3753 ice_cache_phy_user_req(struct ice_port_info *pi,
3754 struct ice_phy_cache_mode_data cache_data,
3755 enum ice_phy_cache_mode cache_mode)
3756 {
3757 if (!pi)
3758 return;
3759
3760 switch (cache_mode) {
3761 case ICE_FC_MODE:
3762 pi->phy.curr_user_fc_req = cache_data.data.curr_user_fc_req;
3763 break;
3764 case ICE_SPEED_MODE:
3765 pi->phy.curr_user_speed_req =
3766 cache_data.data.curr_user_speed_req;
3767 break;
3768 case ICE_FEC_MODE:
3769 pi->phy.curr_user_fec_req = cache_data.data.curr_user_fec_req;
3770 break;
3771 default:
3772 break;
3773 }
3774 }
3775
3776 /**
3777 * ice_caps_to_fc_mode
3778 * @caps: PHY capabilities
3779 *
3780 * Convert PHY FC capabilities to ice FC mode
3781 */
ice_caps_to_fc_mode(u8 caps)3782 enum ice_fc_mode ice_caps_to_fc_mode(u8 caps)
3783 {
3784 if (caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE &&
3785 caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE)
3786 return ICE_FC_FULL;
3787
3788 if (caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE)
3789 return ICE_FC_TX_PAUSE;
3790
3791 if (caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE)
3792 return ICE_FC_RX_PAUSE;
3793
3794 return ICE_FC_NONE;
3795 }
3796
3797 /**
3798 * ice_caps_to_fec_mode
3799 * @caps: PHY capabilities
3800 * @fec_options: Link FEC options
3801 *
3802 * Convert PHY FEC capabilities to ice FEC mode
3803 */
ice_caps_to_fec_mode(u8 caps,u8 fec_options)3804 enum ice_fec_mode ice_caps_to_fec_mode(u8 caps, u8 fec_options)
3805 {
3806 if (caps & ICE_AQC_PHY_EN_AUTO_FEC)
3807 return ICE_FEC_AUTO;
3808
3809 if (fec_options & (ICE_AQC_PHY_FEC_10G_KR_40G_KR4_EN |
3810 ICE_AQC_PHY_FEC_10G_KR_40G_KR4_REQ |
3811 ICE_AQC_PHY_FEC_25G_KR_CLAUSE74_EN |
3812 ICE_AQC_PHY_FEC_25G_KR_REQ))
3813 return ICE_FEC_BASER;
3814
3815 if (fec_options & (ICE_AQC_PHY_FEC_25G_RS_528_REQ |
3816 ICE_AQC_PHY_FEC_25G_RS_544_REQ |
3817 ICE_AQC_PHY_FEC_25G_RS_CLAUSE91_EN))
3818 return ICE_FEC_RS;
3819
3820 return ICE_FEC_NONE;
3821 }
3822
3823 /**
3824 * ice_cfg_phy_fc - Configure PHY FC data based on FC mode
3825 * @pi: port information structure
3826 * @cfg: PHY configuration data to set FC mode
3827 * @req_mode: FC mode to configure
3828 */
3829 int
ice_cfg_phy_fc(struct ice_port_info * pi,struct ice_aqc_set_phy_cfg_data * cfg,enum ice_fc_mode req_mode)3830 ice_cfg_phy_fc(struct ice_port_info *pi, struct ice_aqc_set_phy_cfg_data *cfg,
3831 enum ice_fc_mode req_mode)
3832 {
3833 struct ice_phy_cache_mode_data cache_data;
3834 u8 pause_mask = 0x0;
3835
3836 if (!pi || !cfg)
3837 return -EINVAL;
3838
3839 switch (req_mode) {
3840 case ICE_FC_FULL:
3841 pause_mask |= ICE_AQC_PHY_EN_TX_LINK_PAUSE;
3842 pause_mask |= ICE_AQC_PHY_EN_RX_LINK_PAUSE;
3843 break;
3844 case ICE_FC_RX_PAUSE:
3845 pause_mask |= ICE_AQC_PHY_EN_RX_LINK_PAUSE;
3846 break;
3847 case ICE_FC_TX_PAUSE:
3848 pause_mask |= ICE_AQC_PHY_EN_TX_LINK_PAUSE;
3849 break;
3850 default:
3851 break;
3852 }
3853
3854 /* clear the old pause settings */
3855 cfg->caps &= ~(ICE_AQC_PHY_EN_TX_LINK_PAUSE |
3856 ICE_AQC_PHY_EN_RX_LINK_PAUSE);
3857
3858 /* set the new capabilities */
3859 cfg->caps |= pause_mask;
3860
3861 /* Cache user FC request */
3862 cache_data.data.curr_user_fc_req = req_mode;
3863 ice_cache_phy_user_req(pi, cache_data, ICE_FC_MODE);
3864
3865 return 0;
3866 }
3867
3868 /**
3869 * ice_set_fc
3870 * @pi: port information structure
3871 * @aq_failures: pointer to status code, specific to ice_set_fc routine
3872 * @ena_auto_link_update: enable automatic link update
3873 *
3874 * Set the requested flow control mode.
3875 */
3876 int
ice_set_fc(struct ice_port_info * pi,u8 * aq_failures,bool ena_auto_link_update)3877 ice_set_fc(struct ice_port_info *pi, u8 *aq_failures, bool ena_auto_link_update)
3878 {
3879 struct ice_aqc_get_phy_caps_data *pcaps __free(kfree) = NULL;
3880 struct ice_aqc_set_phy_cfg_data cfg = { 0 };
3881 struct ice_hw *hw;
3882 int status;
3883
3884 if (!pi || !aq_failures)
3885 return -EINVAL;
3886
3887 *aq_failures = 0;
3888 hw = pi->hw;
3889
3890 pcaps = kzalloc_obj(*pcaps);
3891 if (!pcaps)
3892 return -ENOMEM;
3893
3894 /* Get the current PHY config */
3895 status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_ACTIVE_CFG,
3896 pcaps, NULL);
3897 if (status) {
3898 *aq_failures = ICE_SET_FC_AQ_FAIL_GET;
3899 goto out;
3900 }
3901
3902 ice_copy_phy_caps_to_cfg(pi, pcaps, &cfg);
3903
3904 /* Configure the set PHY data */
3905 status = ice_cfg_phy_fc(pi, &cfg, pi->fc.req_mode);
3906 if (status)
3907 goto out;
3908
3909 /* If the capabilities have changed, then set the new config */
3910 if (cfg.caps != pcaps->caps) {
3911 int retry_count, retry_max = 10;
3912
3913 /* Auto restart link so settings take effect */
3914 if (ena_auto_link_update)
3915 cfg.caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT;
3916
3917 status = ice_aq_set_phy_cfg(hw, pi, &cfg, NULL);
3918 if (status) {
3919 *aq_failures = ICE_SET_FC_AQ_FAIL_SET;
3920 goto out;
3921 }
3922
3923 /* Update the link info
3924 * It sometimes takes a really long time for link to
3925 * come back from the atomic reset. Thus, we wait a
3926 * little bit.
3927 */
3928 for (retry_count = 0; retry_count < retry_max; retry_count++) {
3929 status = ice_update_link_info(pi);
3930
3931 if (!status)
3932 break;
3933
3934 mdelay(100);
3935 }
3936
3937 if (status)
3938 *aq_failures = ICE_SET_FC_AQ_FAIL_UPDATE;
3939 }
3940
3941 out:
3942 return status;
3943 }
3944
3945 /**
3946 * ice_phy_caps_equals_cfg
3947 * @phy_caps: PHY capabilities
3948 * @phy_cfg: PHY configuration
3949 *
3950 * Helper function to determine if PHY capabilities matches PHY
3951 * configuration
3952 */
3953 bool
ice_phy_caps_equals_cfg(struct ice_aqc_get_phy_caps_data * phy_caps,struct ice_aqc_set_phy_cfg_data * phy_cfg)3954 ice_phy_caps_equals_cfg(struct ice_aqc_get_phy_caps_data *phy_caps,
3955 struct ice_aqc_set_phy_cfg_data *phy_cfg)
3956 {
3957 u8 caps_mask, cfg_mask;
3958
3959 if (!phy_caps || !phy_cfg)
3960 return false;
3961
3962 /* These bits are not common between capabilities and configuration.
3963 * Do not use them to determine equality.
3964 */
3965 caps_mask = ICE_AQC_PHY_CAPS_MASK & ~(ICE_AQC_PHY_AN_MODE |
3966 ICE_AQC_GET_PHY_EN_MOD_QUAL);
3967 cfg_mask = ICE_AQ_PHY_ENA_VALID_MASK & ~ICE_AQ_PHY_ENA_AUTO_LINK_UPDT;
3968
3969 if (phy_caps->phy_type_low != phy_cfg->phy_type_low ||
3970 phy_caps->phy_type_high != phy_cfg->phy_type_high ||
3971 ((phy_caps->caps & caps_mask) != (phy_cfg->caps & cfg_mask)) ||
3972 phy_caps->low_power_ctrl_an != phy_cfg->low_power_ctrl_an ||
3973 phy_caps->eee_cap != phy_cfg->eee_cap ||
3974 phy_caps->eeer_value != phy_cfg->eeer_value ||
3975 phy_caps->link_fec_options != phy_cfg->link_fec_opt)
3976 return false;
3977
3978 return true;
3979 }
3980
3981 /**
3982 * ice_copy_phy_caps_to_cfg - Copy PHY ability data to configuration data
3983 * @pi: port information structure
3984 * @caps: PHY ability structure to copy date from
3985 * @cfg: PHY configuration structure to copy data to
3986 *
3987 * Helper function to copy AQC PHY get ability data to PHY set configuration
3988 * data structure
3989 */
3990 void
ice_copy_phy_caps_to_cfg(struct ice_port_info * pi,struct ice_aqc_get_phy_caps_data * caps,struct ice_aqc_set_phy_cfg_data * cfg)3991 ice_copy_phy_caps_to_cfg(struct ice_port_info *pi,
3992 struct ice_aqc_get_phy_caps_data *caps,
3993 struct ice_aqc_set_phy_cfg_data *cfg)
3994 {
3995 if (!pi || !caps || !cfg)
3996 return;
3997
3998 memset(cfg, 0, sizeof(*cfg));
3999 cfg->phy_type_low = caps->phy_type_low;
4000 cfg->phy_type_high = caps->phy_type_high;
4001 cfg->caps = caps->caps;
4002 cfg->low_power_ctrl_an = caps->low_power_ctrl_an;
4003 cfg->eee_cap = caps->eee_cap;
4004 cfg->eeer_value = caps->eeer_value;
4005 cfg->link_fec_opt = caps->link_fec_options;
4006 cfg->module_compliance_enforcement =
4007 caps->module_compliance_enforcement;
4008 }
4009
4010 /**
4011 * ice_cfg_phy_fec - Configure PHY FEC data based on FEC mode
4012 * @pi: port information structure
4013 * @cfg: PHY configuration data to set FEC mode
4014 * @fec: FEC mode to configure
4015 */
4016 int
ice_cfg_phy_fec(struct ice_port_info * pi,struct ice_aqc_set_phy_cfg_data * cfg,enum ice_fec_mode fec)4017 ice_cfg_phy_fec(struct ice_port_info *pi, struct ice_aqc_set_phy_cfg_data *cfg,
4018 enum ice_fec_mode fec)
4019 {
4020 struct ice_aqc_get_phy_caps_data *pcaps __free(kfree) = NULL;
4021 struct ice_hw *hw;
4022 int status;
4023
4024 if (!pi || !cfg)
4025 return -EINVAL;
4026
4027 hw = pi->hw;
4028
4029 pcaps = kzalloc_obj(*pcaps);
4030 if (!pcaps)
4031 return -ENOMEM;
4032
4033 status = ice_aq_get_phy_caps(pi, false,
4034 (ice_fw_supports_report_dflt_cfg(hw) ?
4035 ICE_AQC_REPORT_DFLT_CFG :
4036 ICE_AQC_REPORT_TOPO_CAP_MEDIA), pcaps, NULL);
4037 if (status)
4038 goto out;
4039
4040 cfg->caps |= pcaps->caps & ICE_AQC_PHY_EN_AUTO_FEC;
4041 cfg->link_fec_opt = pcaps->link_fec_options;
4042
4043 switch (fec) {
4044 case ICE_FEC_BASER:
4045 /* Clear RS bits, and AND BASE-R ability
4046 * bits and OR request bits.
4047 */
4048 cfg->link_fec_opt &= ICE_AQC_PHY_FEC_10G_KR_40G_KR4_EN |
4049 ICE_AQC_PHY_FEC_25G_KR_CLAUSE74_EN;
4050 cfg->link_fec_opt |= ICE_AQC_PHY_FEC_10G_KR_40G_KR4_REQ |
4051 ICE_AQC_PHY_FEC_25G_KR_REQ;
4052 break;
4053 case ICE_FEC_RS:
4054 /* Clear BASE-R bits, and AND RS ability
4055 * bits and OR request bits.
4056 */
4057 cfg->link_fec_opt &= ICE_AQC_PHY_FEC_25G_RS_CLAUSE91_EN;
4058 cfg->link_fec_opt |= ICE_AQC_PHY_FEC_25G_RS_528_REQ |
4059 ICE_AQC_PHY_FEC_25G_RS_544_REQ;
4060 break;
4061 case ICE_FEC_NONE:
4062 /* Clear all FEC option bits. */
4063 cfg->link_fec_opt &= ~ICE_AQC_PHY_FEC_MASK;
4064 break;
4065 case ICE_FEC_AUTO:
4066 /* AND auto FEC bit, and all caps bits. */
4067 cfg->caps &= ICE_AQC_PHY_CAPS_MASK;
4068 cfg->link_fec_opt |= pcaps->link_fec_options;
4069 break;
4070 default:
4071 status = -EINVAL;
4072 break;
4073 }
4074
4075 if (fec == ICE_FEC_AUTO && ice_fw_supports_link_override(hw) &&
4076 !ice_fw_supports_report_dflt_cfg(hw)) {
4077 struct ice_link_default_override_tlv tlv = { 0 };
4078
4079 status = ice_get_link_default_override(&tlv, pi);
4080 if (status)
4081 goto out;
4082
4083 if (!(tlv.options & ICE_LINK_OVERRIDE_STRICT_MODE) &&
4084 (tlv.options & ICE_LINK_OVERRIDE_EN))
4085 cfg->link_fec_opt = tlv.fec_options;
4086 }
4087
4088 out:
4089 return status;
4090 }
4091
4092 /**
4093 * ice_get_link_status - get status of the HW network link
4094 * @pi: port information structure
4095 * @link_up: pointer to bool (true/false = linkup/linkdown)
4096 *
4097 * Variable link_up is true if link is up, false if link is down.
4098 * The variable link_up is invalid if status is non zero. As a
4099 * result of this call, link status reporting becomes enabled
4100 */
ice_get_link_status(struct ice_port_info * pi,bool * link_up)4101 int ice_get_link_status(struct ice_port_info *pi, bool *link_up)
4102 {
4103 struct ice_phy_info *phy_info;
4104 int status = 0;
4105
4106 if (!pi || !link_up)
4107 return -EINVAL;
4108
4109 phy_info = &pi->phy;
4110
4111 if (phy_info->get_link_info) {
4112 status = ice_update_link_info(pi);
4113
4114 if (status)
4115 ice_debug(pi->hw, ICE_DBG_LINK, "get link status error, status = %d\n",
4116 status);
4117 }
4118
4119 *link_up = phy_info->link_info.link_info & ICE_AQ_LINK_UP;
4120
4121 return status;
4122 }
4123
4124 /**
4125 * ice_aq_set_link_restart_an
4126 * @pi: pointer to the port information structure
4127 * @ena_link: if true: enable link, if false: disable link
4128 * @cd: pointer to command details structure or NULL
4129 *
4130 * Sets up the link and restarts the Auto-Negotiation over the link.
4131 */
4132 int
ice_aq_set_link_restart_an(struct ice_port_info * pi,bool ena_link,struct ice_sq_cd * cd)4133 ice_aq_set_link_restart_an(struct ice_port_info *pi, bool ena_link,
4134 struct ice_sq_cd *cd)
4135 {
4136 struct ice_aqc_restart_an *cmd;
4137 struct libie_aq_desc desc;
4138
4139 cmd = libie_aq_raw(&desc);
4140
4141 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_restart_an);
4142
4143 cmd->cmd_flags = ICE_AQC_RESTART_AN_LINK_RESTART;
4144 cmd->lport_num = pi->lport;
4145 if (ena_link)
4146 cmd->cmd_flags |= ICE_AQC_RESTART_AN_LINK_ENABLE;
4147 else
4148 cmd->cmd_flags &= ~ICE_AQC_RESTART_AN_LINK_ENABLE;
4149
4150 return ice_aq_send_cmd(pi->hw, &desc, NULL, 0, cd);
4151 }
4152
4153 /**
4154 * ice_aq_set_event_mask
4155 * @hw: pointer to the HW struct
4156 * @port_num: port number of the physical function
4157 * @mask: event mask to be set
4158 * @cd: pointer to command details structure or NULL
4159 *
4160 * Set event mask (0x0613)
4161 */
4162 int
ice_aq_set_event_mask(struct ice_hw * hw,u8 port_num,u16 mask,struct ice_sq_cd * cd)4163 ice_aq_set_event_mask(struct ice_hw *hw, u8 port_num, u16 mask,
4164 struct ice_sq_cd *cd)
4165 {
4166 struct ice_aqc_set_event_mask *cmd;
4167 struct libie_aq_desc desc;
4168
4169 cmd = libie_aq_raw(&desc);
4170
4171 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_event_mask);
4172
4173 cmd->lport_num = port_num;
4174
4175 cmd->event_mask = cpu_to_le16(mask);
4176 return ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
4177 }
4178
4179 /**
4180 * ice_aq_set_mac_loopback
4181 * @hw: pointer to the HW struct
4182 * @ena_lpbk: Enable or Disable loopback
4183 * @cd: pointer to command details structure or NULL
4184 *
4185 * Enable/disable loopback on a given port
4186 */
4187 int
ice_aq_set_mac_loopback(struct ice_hw * hw,bool ena_lpbk,struct ice_sq_cd * cd)4188 ice_aq_set_mac_loopback(struct ice_hw *hw, bool ena_lpbk, struct ice_sq_cd *cd)
4189 {
4190 struct ice_aqc_set_mac_lb *cmd;
4191 struct libie_aq_desc desc;
4192
4193 cmd = libie_aq_raw(&desc);
4194
4195 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_mac_lb);
4196 if (ena_lpbk)
4197 cmd->lb_mode = ICE_AQ_MAC_LB_EN;
4198
4199 return ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
4200 }
4201
4202 /**
4203 * ice_aq_set_port_id_led
4204 * @pi: pointer to the port information
4205 * @is_orig_mode: is this LED set to original mode (by the net-list)
4206 * @cd: pointer to command details structure or NULL
4207 *
4208 * Set LED value for the given port (0x06e9)
4209 */
4210 int
ice_aq_set_port_id_led(struct ice_port_info * pi,bool is_orig_mode,struct ice_sq_cd * cd)4211 ice_aq_set_port_id_led(struct ice_port_info *pi, bool is_orig_mode,
4212 struct ice_sq_cd *cd)
4213 {
4214 struct ice_aqc_set_port_id_led *cmd;
4215 struct ice_hw *hw = pi->hw;
4216 struct libie_aq_desc desc;
4217
4218 cmd = libie_aq_raw(&desc);
4219
4220 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_port_id_led);
4221
4222 if (is_orig_mode)
4223 cmd->ident_mode = ICE_AQC_PORT_IDENT_LED_ORIG;
4224 else
4225 cmd->ident_mode = ICE_AQC_PORT_IDENT_LED_BLINK;
4226
4227 return ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
4228 }
4229
4230 /**
4231 * ice_aq_get_port_options
4232 * @hw: pointer to the HW struct
4233 * @options: buffer for the resultant port options
4234 * @option_count: input - size of the buffer in port options structures,
4235 * output - number of returned port options
4236 * @lport: logical port to call the command with (optional)
4237 * @lport_valid: when false, FW uses port owned by the PF instead of lport,
4238 * when PF owns more than 1 port it must be true
4239 * @active_option_idx: index of active port option in returned buffer
4240 * @active_option_valid: active option in returned buffer is valid
4241 * @pending_option_idx: index of pending port option in returned buffer
4242 * @pending_option_valid: pending option in returned buffer is valid
4243 *
4244 * Calls Get Port Options AQC (0x06ea) and verifies result.
4245 */
4246 int
ice_aq_get_port_options(struct ice_hw * hw,struct ice_aqc_get_port_options_elem * options,u8 * option_count,u8 lport,bool lport_valid,u8 * active_option_idx,bool * active_option_valid,u8 * pending_option_idx,bool * pending_option_valid)4247 ice_aq_get_port_options(struct ice_hw *hw,
4248 struct ice_aqc_get_port_options_elem *options,
4249 u8 *option_count, u8 lport, bool lport_valid,
4250 u8 *active_option_idx, bool *active_option_valid,
4251 u8 *pending_option_idx, bool *pending_option_valid)
4252 {
4253 struct ice_aqc_get_port_options *cmd;
4254 struct libie_aq_desc desc;
4255 int status;
4256 u8 i;
4257
4258 /* options buffer shall be able to hold max returned options */
4259 if (*option_count < ICE_AQC_PORT_OPT_COUNT_M)
4260 return -EINVAL;
4261
4262 cmd = libie_aq_raw(&desc);
4263 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_port_options);
4264
4265 if (lport_valid)
4266 cmd->lport_num = lport;
4267 cmd->lport_num_valid = lport_valid;
4268
4269 status = ice_aq_send_cmd(hw, &desc, options,
4270 *option_count * sizeof(*options), NULL);
4271 if (status)
4272 return status;
4273
4274 /* verify direct FW response & set output parameters */
4275 *option_count = FIELD_GET(ICE_AQC_PORT_OPT_COUNT_M,
4276 cmd->port_options_count);
4277 ice_debug(hw, ICE_DBG_PHY, "options: %x\n", *option_count);
4278 *active_option_valid = FIELD_GET(ICE_AQC_PORT_OPT_VALID,
4279 cmd->port_options);
4280 if (*active_option_valid) {
4281 *active_option_idx = FIELD_GET(ICE_AQC_PORT_OPT_ACTIVE_M,
4282 cmd->port_options);
4283 if (*active_option_idx > (*option_count - 1))
4284 return -EIO;
4285 ice_debug(hw, ICE_DBG_PHY, "active idx: %x\n",
4286 *active_option_idx);
4287 }
4288
4289 *pending_option_valid = FIELD_GET(ICE_AQC_PENDING_PORT_OPT_VALID,
4290 cmd->pending_port_option_status);
4291 if (*pending_option_valid) {
4292 *pending_option_idx = FIELD_GET(ICE_AQC_PENDING_PORT_OPT_IDX_M,
4293 cmd->pending_port_option_status);
4294 if (*pending_option_idx > (*option_count - 1))
4295 return -EIO;
4296 ice_debug(hw, ICE_DBG_PHY, "pending idx: %x\n",
4297 *pending_option_idx);
4298 }
4299
4300 /* mask output options fields */
4301 for (i = 0; i < *option_count; i++) {
4302 options[i].pmd = FIELD_GET(ICE_AQC_PORT_OPT_PMD_COUNT_M,
4303 options[i].pmd);
4304 options[i].max_lane_speed = FIELD_GET(ICE_AQC_PORT_OPT_MAX_LANE_M,
4305 options[i].max_lane_speed);
4306 ice_debug(hw, ICE_DBG_PHY, "pmds: %x max speed: %x\n",
4307 options[i].pmd, options[i].max_lane_speed);
4308 }
4309
4310 return 0;
4311 }
4312
4313 /**
4314 * ice_aq_set_port_option
4315 * @hw: pointer to the HW struct
4316 * @lport: logical port to call the command with
4317 * @lport_valid: when false, FW uses port owned by the PF instead of lport,
4318 * when PF owns more than 1 port it must be true
4319 * @new_option: new port option to be written
4320 *
4321 * Calls Set Port Options AQC (0x06eb).
4322 */
4323 int
ice_aq_set_port_option(struct ice_hw * hw,u8 lport,u8 lport_valid,u8 new_option)4324 ice_aq_set_port_option(struct ice_hw *hw, u8 lport, u8 lport_valid,
4325 u8 new_option)
4326 {
4327 struct ice_aqc_set_port_option *cmd;
4328 struct libie_aq_desc desc;
4329
4330 if (new_option > ICE_AQC_PORT_OPT_COUNT_M)
4331 return -EINVAL;
4332
4333 cmd = libie_aq_raw(&desc);
4334 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_port_option);
4335
4336 if (lport_valid)
4337 cmd->lport_num = lport;
4338
4339 cmd->lport_num_valid = lport_valid;
4340 cmd->selected_port_option = new_option;
4341
4342 return ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
4343 }
4344
4345 /**
4346 * ice_get_phy_lane_number - Get PHY lane number for current adapter
4347 * @hw: pointer to the hw struct
4348 *
4349 * Return: PHY lane number on success, negative error code otherwise.
4350 */
ice_get_phy_lane_number(struct ice_hw * hw)4351 int ice_get_phy_lane_number(struct ice_hw *hw)
4352 {
4353 struct ice_aqc_get_port_options_elem *options;
4354 unsigned int lport = 0;
4355 unsigned int lane;
4356 int err;
4357
4358 /* E82X does not have sequential IDs, lane number is PF ID.
4359 * For E825 device, the exception is the variant with external
4360 * PHY (0x579F), in which there is also 1:1 pf_id -> lane_number
4361 * mapping.
4362 */
4363 if (hw->mac_type == ICE_MAC_GENERIC ||
4364 hw->device_id == ICE_DEV_ID_E825C_SGMII)
4365 return hw->pf_id;
4366
4367 options = kzalloc_objs(*options, ICE_AQC_PORT_OPT_MAX);
4368 if (!options)
4369 return -ENOMEM;
4370
4371 for (lane = 0; lane < ICE_MAX_PORT_PER_PCI_DEV; lane++) {
4372 u8 options_count = ICE_AQC_PORT_OPT_MAX;
4373 u8 speed, active_idx, pending_idx;
4374 bool active_valid, pending_valid;
4375
4376 err = ice_aq_get_port_options(hw, options, &options_count, lane,
4377 true, &active_idx, &active_valid,
4378 &pending_idx, &pending_valid);
4379 if (err)
4380 goto err;
4381
4382 if (!active_valid)
4383 continue;
4384
4385 speed = options[active_idx].max_lane_speed;
4386 /* If we don't get speed for this lane, it's unoccupied */
4387 if (speed > ICE_AQC_PORT_OPT_MAX_LANE_40G)
4388 continue;
4389
4390 if (hw->pf_id == lport) {
4391 if (hw->mac_type == ICE_MAC_GENERIC_3K_E825 &&
4392 ice_is_dual(hw) && !ice_is_primary(hw))
4393 lane += ICE_PORTS_PER_QUAD;
4394 kfree(options);
4395 return lane;
4396 }
4397 lport++;
4398 }
4399
4400 /* PHY lane not found */
4401 err = -ENXIO;
4402 err:
4403 kfree(options);
4404 return err;
4405 }
4406
4407 /**
4408 * ice_aq_sff_eeprom
4409 * @hw: pointer to the HW struct
4410 * @lport: bits [7:0] = logical port, bit [8] = logical port valid
4411 * @bus_addr: I2C bus address of the eeprom (typically 0xA0, 0=topo default)
4412 * @mem_addr: I2C offset. lower 8 bits for address, 8 upper bits zero padding.
4413 * @page: QSFP page
4414 * @set_page: set or ignore the page
4415 * @data: pointer to data buffer to be read/written to the I2C device.
4416 * @length: 1-16 for read, 1 for write.
4417 * @write: 0 read, 1 for write.
4418 * @cd: pointer to command details structure or NULL
4419 *
4420 * Read/Write SFF EEPROM (0x06EE)
4421 */
4422 int
ice_aq_sff_eeprom(struct ice_hw * hw,u16 lport,u8 bus_addr,u16 mem_addr,u8 page,u8 set_page,u8 * data,u8 length,bool write,struct ice_sq_cd * cd)4423 ice_aq_sff_eeprom(struct ice_hw *hw, u16 lport, u8 bus_addr,
4424 u16 mem_addr, u8 page, u8 set_page, u8 *data, u8 length,
4425 bool write, struct ice_sq_cd *cd)
4426 {
4427 struct ice_aqc_sff_eeprom *cmd;
4428 struct libie_aq_desc desc;
4429 u16 i2c_bus_addr;
4430 int status;
4431
4432 if (!data || (mem_addr & 0xff00))
4433 return -EINVAL;
4434
4435 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_sff_eeprom);
4436 cmd = libie_aq_raw(&desc);
4437 desc.flags = cpu_to_le16(LIBIE_AQ_FLAG_RD);
4438 cmd->lport_num = (u8)(lport & 0xff);
4439 cmd->lport_num_valid = (u8)((lport >> 8) & 0x01);
4440 i2c_bus_addr = FIELD_PREP(ICE_AQC_SFF_I2CBUS_7BIT_M, bus_addr >> 1) |
4441 FIELD_PREP(ICE_AQC_SFF_SET_EEPROM_PAGE_M, set_page);
4442 if (write)
4443 i2c_bus_addr |= ICE_AQC_SFF_IS_WRITE;
4444 cmd->i2c_bus_addr = cpu_to_le16(i2c_bus_addr);
4445 cmd->i2c_mem_addr = cpu_to_le16(mem_addr & 0xff);
4446 cmd->eeprom_page = le16_encode_bits(page, ICE_AQC_SFF_EEPROM_PAGE_M);
4447
4448 status = ice_aq_send_cmd(hw, &desc, data, length, cd);
4449 return status;
4450 }
4451
ice_lut_type_to_size(enum ice_lut_type type)4452 static enum ice_lut_size ice_lut_type_to_size(enum ice_lut_type type)
4453 {
4454 switch (type) {
4455 case ICE_LUT_VSI:
4456 return ICE_LUT_VSI_SIZE;
4457 case ICE_LUT_GLOBAL:
4458 return ICE_LUT_GLOBAL_SIZE;
4459 case ICE_LUT_PF:
4460 return ICE_LUT_PF_SIZE;
4461 }
4462 WARN_ONCE(1, "incorrect type passed");
4463 return ICE_LUT_VSI_SIZE;
4464 }
4465
ice_lut_size_to_flag(enum ice_lut_size size)4466 static enum ice_aqc_lut_flags ice_lut_size_to_flag(enum ice_lut_size size)
4467 {
4468 switch (size) {
4469 case ICE_LUT_VSI_SIZE:
4470 return ICE_AQC_LUT_SIZE_SMALL;
4471 case ICE_LUT_GLOBAL_SIZE:
4472 return ICE_AQC_LUT_SIZE_512;
4473 case ICE_LUT_PF_SIZE:
4474 return ICE_AQC_LUT_SIZE_2K;
4475 }
4476 WARN_ONCE(1, "incorrect size passed");
4477 return 0;
4478 }
4479
4480 /**
4481 * __ice_aq_get_set_rss_lut
4482 * @hw: pointer to the hardware structure
4483 * @params: RSS LUT parameters
4484 * @set: set true to set the table, false to get the table
4485 *
4486 * Internal function to get (0x0B05) or set (0x0B03) RSS look up table
4487 */
4488 static int
__ice_aq_get_set_rss_lut(struct ice_hw * hw,struct ice_aq_get_set_rss_lut_params * params,bool set)4489 __ice_aq_get_set_rss_lut(struct ice_hw *hw,
4490 struct ice_aq_get_set_rss_lut_params *params, bool set)
4491 {
4492 u16 opcode, vsi_id, vsi_handle = params->vsi_handle, glob_lut_idx = 0;
4493 enum ice_lut_type lut_type = params->lut_type;
4494 struct ice_aqc_get_set_rss_lut *desc_params;
4495 enum ice_aqc_lut_flags flags;
4496 enum ice_lut_size lut_size;
4497 struct libie_aq_desc desc;
4498 u8 *lut = params->lut;
4499
4500
4501 if (!lut || !ice_is_vsi_valid(hw, vsi_handle))
4502 return -EINVAL;
4503
4504 lut_size = ice_lut_type_to_size(lut_type);
4505 if (lut_size > params->lut_size)
4506 return -EINVAL;
4507 else if (set && lut_size != params->lut_size)
4508 return -EINVAL;
4509
4510 opcode = set ? ice_aqc_opc_set_rss_lut : ice_aqc_opc_get_rss_lut;
4511 ice_fill_dflt_direct_cmd_desc(&desc, opcode);
4512 if (set)
4513 desc.flags |= cpu_to_le16(LIBIE_AQ_FLAG_RD);
4514
4515 desc_params = libie_aq_raw(&desc);
4516 vsi_id = ice_get_hw_vsi_num(hw, vsi_handle);
4517 desc_params->vsi_id = cpu_to_le16(vsi_id | ICE_AQC_RSS_VSI_VALID);
4518
4519 if (lut_type == ICE_LUT_GLOBAL)
4520 glob_lut_idx = FIELD_PREP(ICE_AQC_LUT_GLOBAL_IDX,
4521 params->global_lut_id);
4522
4523 flags = lut_type | glob_lut_idx | ice_lut_size_to_flag(lut_size);
4524 desc_params->flags = cpu_to_le16(flags);
4525
4526 return ice_aq_send_cmd(hw, &desc, lut, lut_size, NULL);
4527 }
4528
4529 /**
4530 * ice_aq_get_rss_lut
4531 * @hw: pointer to the hardware structure
4532 * @get_params: RSS LUT parameters used to specify which RSS LUT to get
4533 *
4534 * get the RSS lookup table, PF or VSI type
4535 */
4536 int
ice_aq_get_rss_lut(struct ice_hw * hw,struct ice_aq_get_set_rss_lut_params * get_params)4537 ice_aq_get_rss_lut(struct ice_hw *hw, struct ice_aq_get_set_rss_lut_params *get_params)
4538 {
4539 return __ice_aq_get_set_rss_lut(hw, get_params, false);
4540 }
4541
4542 /**
4543 * ice_aq_set_rss_lut
4544 * @hw: pointer to the hardware structure
4545 * @set_params: RSS LUT parameters used to specify how to set the RSS LUT
4546 *
4547 * set the RSS lookup table, PF or VSI type
4548 */
4549 int
ice_aq_set_rss_lut(struct ice_hw * hw,struct ice_aq_get_set_rss_lut_params * set_params)4550 ice_aq_set_rss_lut(struct ice_hw *hw, struct ice_aq_get_set_rss_lut_params *set_params)
4551 {
4552 return __ice_aq_get_set_rss_lut(hw, set_params, true);
4553 }
4554
4555 /**
4556 * __ice_aq_get_set_rss_key
4557 * @hw: pointer to the HW struct
4558 * @vsi_id: VSI FW index
4559 * @key: pointer to key info struct
4560 * @set: set true to set the key, false to get the key
4561 *
4562 * get (0x0B04) or set (0x0B02) the RSS key per VSI
4563 */
4564 static int
__ice_aq_get_set_rss_key(struct ice_hw * hw,u16 vsi_id,struct ice_aqc_get_set_rss_keys * key,bool set)4565 __ice_aq_get_set_rss_key(struct ice_hw *hw, u16 vsi_id,
4566 struct ice_aqc_get_set_rss_keys *key, bool set)
4567 {
4568 struct ice_aqc_get_set_rss_key *desc_params;
4569 u16 key_size = sizeof(*key);
4570 struct libie_aq_desc desc;
4571
4572 if (set) {
4573 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_rss_key);
4574 desc.flags |= cpu_to_le16(LIBIE_AQ_FLAG_RD);
4575 } else {
4576 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_rss_key);
4577 }
4578
4579 desc_params = libie_aq_raw(&desc);
4580 desc_params->vsi_id = cpu_to_le16(vsi_id | ICE_AQC_RSS_VSI_VALID);
4581
4582 return ice_aq_send_cmd(hw, &desc, key, key_size, NULL);
4583 }
4584
4585 /**
4586 * ice_aq_get_rss_key
4587 * @hw: pointer to the HW struct
4588 * @vsi_handle: software VSI handle
4589 * @key: pointer to key info struct
4590 *
4591 * get the RSS key per VSI
4592 */
4593 int
ice_aq_get_rss_key(struct ice_hw * hw,u16 vsi_handle,struct ice_aqc_get_set_rss_keys * key)4594 ice_aq_get_rss_key(struct ice_hw *hw, u16 vsi_handle,
4595 struct ice_aqc_get_set_rss_keys *key)
4596 {
4597 if (!ice_is_vsi_valid(hw, vsi_handle) || !key)
4598 return -EINVAL;
4599
4600 return __ice_aq_get_set_rss_key(hw, ice_get_hw_vsi_num(hw, vsi_handle),
4601 key, false);
4602 }
4603
4604 /**
4605 * ice_aq_set_rss_key
4606 * @hw: pointer to the HW struct
4607 * @vsi_handle: software VSI handle
4608 * @keys: pointer to key info struct
4609 *
4610 * set the RSS key per VSI
4611 */
4612 int
ice_aq_set_rss_key(struct ice_hw * hw,u16 vsi_handle,struct ice_aqc_get_set_rss_keys * keys)4613 ice_aq_set_rss_key(struct ice_hw *hw, u16 vsi_handle,
4614 struct ice_aqc_get_set_rss_keys *keys)
4615 {
4616 if (!ice_is_vsi_valid(hw, vsi_handle) || !keys)
4617 return -EINVAL;
4618
4619 return __ice_aq_get_set_rss_key(hw, ice_get_hw_vsi_num(hw, vsi_handle),
4620 keys, true);
4621 }
4622
4623 /**
4624 * ice_aq_add_lan_txq
4625 * @hw: pointer to the hardware structure
4626 * @num_qgrps: Number of added queue groups
4627 * @qg_list: list of queue groups to be added
4628 * @buf_size: size of buffer for indirect command
4629 * @cd: pointer to command details structure or NULL
4630 *
4631 * Add Tx LAN queue (0x0C30)
4632 *
4633 * NOTE:
4634 * Prior to calling add Tx LAN queue:
4635 * Initialize the following as part of the Tx queue context:
4636 * Completion queue ID if the queue uses Completion queue, Quanta profile,
4637 * Cache profile and Packet shaper profile.
4638 *
4639 * After add Tx LAN queue AQ command is completed:
4640 * Interrupts should be associated with specific queues,
4641 * Association of Tx queue to Doorbell queue is not part of Add LAN Tx queue
4642 * flow.
4643 */
4644 static int
ice_aq_add_lan_txq(struct ice_hw * hw,u8 num_qgrps,struct ice_aqc_add_tx_qgrp * qg_list,u16 buf_size,struct ice_sq_cd * cd)4645 ice_aq_add_lan_txq(struct ice_hw *hw, u8 num_qgrps,
4646 struct ice_aqc_add_tx_qgrp *qg_list, u16 buf_size,
4647 struct ice_sq_cd *cd)
4648 {
4649 struct ice_aqc_add_tx_qgrp *list;
4650 struct ice_aqc_add_txqs *cmd;
4651 struct libie_aq_desc desc;
4652 u16 i, sum_size = 0;
4653
4654 cmd = libie_aq_raw(&desc);
4655
4656 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_add_txqs);
4657
4658 if (!qg_list)
4659 return -EINVAL;
4660
4661 if (num_qgrps > ICE_LAN_TXQ_MAX_QGRPS)
4662 return -EINVAL;
4663
4664 for (i = 0, list = qg_list; i < num_qgrps; i++) {
4665 sum_size += struct_size(list, txqs, list->num_txqs);
4666 list = (struct ice_aqc_add_tx_qgrp *)(list->txqs +
4667 list->num_txqs);
4668 }
4669
4670 if (buf_size != sum_size)
4671 return -EINVAL;
4672
4673 desc.flags |= cpu_to_le16(LIBIE_AQ_FLAG_RD);
4674
4675 cmd->num_qgrps = num_qgrps;
4676
4677 return ice_aq_send_cmd(hw, &desc, qg_list, buf_size, cd);
4678 }
4679
4680 /**
4681 * ice_aq_dis_lan_txq
4682 * @hw: pointer to the hardware structure
4683 * @num_qgrps: number of groups in the list
4684 * @qg_list: the list of groups to disable
4685 * @buf_size: the total size of the qg_list buffer in bytes
4686 * @rst_src: if called due to reset, specifies the reset source
4687 * @vmvf_num: the relative VM or VF number that is undergoing the reset
4688 * @cd: pointer to command details structure or NULL
4689 *
4690 * Disable LAN Tx queue (0x0C31)
4691 */
4692 static int
ice_aq_dis_lan_txq(struct ice_hw * hw,u8 num_qgrps,struct ice_aqc_dis_txq_item * qg_list,u16 buf_size,enum ice_disq_rst_src rst_src,u16 vmvf_num,struct ice_sq_cd * cd)4693 ice_aq_dis_lan_txq(struct ice_hw *hw, u8 num_qgrps,
4694 struct ice_aqc_dis_txq_item *qg_list, u16 buf_size,
4695 enum ice_disq_rst_src rst_src, u16 vmvf_num,
4696 struct ice_sq_cd *cd)
4697 {
4698 struct ice_aqc_dis_txq_item *item;
4699 struct ice_aqc_dis_txqs *cmd;
4700 struct libie_aq_desc desc;
4701 u16 vmvf_and_timeout;
4702 u16 i, sz = 0;
4703 int status;
4704
4705 cmd = libie_aq_raw(&desc);
4706 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_dis_txqs);
4707
4708 /* qg_list can be NULL only in VM/VF reset flow */
4709 if (!qg_list && !rst_src)
4710 return -EINVAL;
4711
4712 if (num_qgrps > ICE_LAN_TXQ_MAX_QGRPS)
4713 return -EINVAL;
4714
4715 cmd->num_entries = num_qgrps;
4716
4717 vmvf_and_timeout = FIELD_PREP(ICE_AQC_Q_DIS_TIMEOUT_M, 5);
4718
4719 switch (rst_src) {
4720 case ICE_VM_RESET:
4721 cmd->cmd_type = ICE_AQC_Q_DIS_CMD_VM_RESET;
4722 vmvf_and_timeout |= vmvf_num & ICE_AQC_Q_DIS_VMVF_NUM_M;
4723 break;
4724 case ICE_VF_RESET:
4725 cmd->cmd_type = ICE_AQC_Q_DIS_CMD_VF_RESET;
4726 /* In this case, FW expects vmvf_num to be absolute VF ID */
4727 vmvf_and_timeout |= (vmvf_num + hw->func_caps.vf_base_id) &
4728 ICE_AQC_Q_DIS_VMVF_NUM_M;
4729 break;
4730 case ICE_NO_RESET:
4731 default:
4732 break;
4733 }
4734
4735 cmd->vmvf_and_timeout = cpu_to_le16(vmvf_and_timeout);
4736
4737 /* flush pipe on time out */
4738 cmd->cmd_type |= ICE_AQC_Q_DIS_CMD_FLUSH_PIPE;
4739 /* If no queue group info, we are in a reset flow. Issue the AQ */
4740 if (!qg_list)
4741 goto do_aq;
4742
4743 /* set RD bit to indicate that command buffer is provided by the driver
4744 * and it needs to be read by the firmware
4745 */
4746 desc.flags |= cpu_to_le16(LIBIE_AQ_FLAG_RD);
4747
4748 for (i = 0, item = qg_list; i < num_qgrps; i++) {
4749 u16 item_size = struct_size(item, q_id, item->num_qs);
4750
4751 /* If the num of queues is even, add 2 bytes of padding */
4752 if ((item->num_qs % 2) == 0)
4753 item_size += 2;
4754
4755 sz += item_size;
4756
4757 item = (struct ice_aqc_dis_txq_item *)((u8 *)item + item_size);
4758 }
4759
4760 if (buf_size != sz)
4761 return -EINVAL;
4762
4763 do_aq:
4764 status = ice_aq_send_cmd(hw, &desc, qg_list, buf_size, cd);
4765 if (status) {
4766 if (!qg_list)
4767 ice_debug(hw, ICE_DBG_SCHED, "VM%d disable failed %d\n",
4768 vmvf_num, hw->adminq.sq_last_status);
4769 else
4770 ice_debug(hw, ICE_DBG_SCHED, "disable queue %d failed %d\n",
4771 le16_to_cpu(qg_list[0].q_id[0]),
4772 hw->adminq.sq_last_status);
4773 }
4774 return status;
4775 }
4776
4777 /**
4778 * ice_aq_cfg_lan_txq - send AQ command 0x0C32 to FW
4779 * @hw: pointer to the hardware structure
4780 * @buf: buffer for command
4781 * @buf_size: size of buffer in bytes
4782 * @num_qs: number of queues being configured
4783 * @oldport: origination lport
4784 * @newport: destination lport
4785 * @mode: cmd_type for move to use
4786 * @cd: pointer to command details structure or NULL
4787 *
4788 * Move/Configure LAN Tx queue (0x0C32)
4789 *
4790 * Return: Zero on success, associated error code on failure.
4791 */
4792 int
ice_aq_cfg_lan_txq(struct ice_hw * hw,struct ice_aqc_cfg_txqs_buf * buf,u16 buf_size,u16 num_qs,u8 oldport,u8 newport,u8 mode,struct ice_sq_cd * cd)4793 ice_aq_cfg_lan_txq(struct ice_hw *hw, struct ice_aqc_cfg_txqs_buf *buf,
4794 u16 buf_size, u16 num_qs, u8 oldport, u8 newport,
4795 u8 mode, struct ice_sq_cd *cd)
4796 {
4797 struct ice_aqc_cfg_txqs *cmd;
4798 struct libie_aq_desc desc;
4799 int status;
4800
4801 cmd = libie_aq_raw(&desc);
4802 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_cfg_txqs);
4803 desc.flags |= cpu_to_le16(LIBIE_AQ_FLAG_RD);
4804
4805 if (!buf)
4806 return -EINVAL;
4807
4808 cmd->cmd_type = mode;
4809 cmd->num_qs = num_qs;
4810 cmd->port_num_chng = (oldport & ICE_AQC_Q_CFG_SRC_PRT_M);
4811 cmd->port_num_chng |= FIELD_PREP(ICE_AQC_Q_CFG_DST_PRT_M, newport);
4812 cmd->port_num_chng |= FIELD_PREP(ICE_AQC_Q_CFG_MODE_M,
4813 ICE_AQC_Q_CFG_MODE_KEEP_OWN);
4814 cmd->time_out = FIELD_PREP(ICE_AQC_Q_CFG_TIMEOUT_M, 5);
4815 cmd->blocked_cgds = 0;
4816
4817 status = ice_aq_send_cmd(hw, &desc, buf, buf_size, cd);
4818 if (status)
4819 ice_debug(hw, ICE_DBG_SCHED, "Failed to reconfigure nodes %d\n",
4820 hw->adminq.sq_last_status);
4821 return status;
4822 }
4823
4824 /**
4825 * ice_aq_add_rdma_qsets
4826 * @hw: pointer to the hardware structure
4827 * @num_qset_grps: Number of RDMA Qset groups
4828 * @qset_list: list of Qset groups to be added
4829 * @buf_size: size of buffer for indirect command
4830 * @cd: pointer to command details structure or NULL
4831 *
4832 * Add Tx RDMA Qsets (0x0C33)
4833 */
4834 static int
ice_aq_add_rdma_qsets(struct ice_hw * hw,u8 num_qset_grps,struct ice_aqc_add_rdma_qset_data * qset_list,u16 buf_size,struct ice_sq_cd * cd)4835 ice_aq_add_rdma_qsets(struct ice_hw *hw, u8 num_qset_grps,
4836 struct ice_aqc_add_rdma_qset_data *qset_list,
4837 u16 buf_size, struct ice_sq_cd *cd)
4838 {
4839 struct ice_aqc_add_rdma_qset_data *list;
4840 struct ice_aqc_add_rdma_qset *cmd;
4841 struct libie_aq_desc desc;
4842 u16 i, sum_size = 0;
4843
4844 cmd = libie_aq_raw(&desc);
4845
4846 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_add_rdma_qset);
4847
4848 if (num_qset_grps > ICE_LAN_TXQ_MAX_QGRPS)
4849 return -EINVAL;
4850
4851 for (i = 0, list = qset_list; i < num_qset_grps; i++) {
4852 u16 num_qsets = le16_to_cpu(list->num_qsets);
4853
4854 sum_size += struct_size(list, rdma_qsets, num_qsets);
4855 list = (struct ice_aqc_add_rdma_qset_data *)(list->rdma_qsets +
4856 num_qsets);
4857 }
4858
4859 if (buf_size != sum_size)
4860 return -EINVAL;
4861
4862 desc.flags |= cpu_to_le16(LIBIE_AQ_FLAG_RD);
4863
4864 cmd->num_qset_grps = num_qset_grps;
4865
4866 return ice_aq_send_cmd(hw, &desc, qset_list, buf_size, cd);
4867 }
4868
4869 /**
4870 * ice_aq_set_txtimeq - set Tx time queues
4871 * @hw: pointer to the hardware structure
4872 * @txtimeq: first Tx time queue id to configure
4873 * @q_count: number of queues to configure
4874 * @txtime_qg: queue group to be set
4875 * @buf_size: size of buffer for indirect command
4876 * @cd: pointer to command details structure or NULL
4877 *
4878 * Set Tx Time queue (0x0C35)
4879 * Return: 0 on success or negative value on failure.
4880 */
4881 int
ice_aq_set_txtimeq(struct ice_hw * hw,u16 txtimeq,u8 q_count,struct ice_aqc_set_txtime_qgrp * txtime_qg,u16 buf_size,struct ice_sq_cd * cd)4882 ice_aq_set_txtimeq(struct ice_hw *hw, u16 txtimeq, u8 q_count,
4883 struct ice_aqc_set_txtime_qgrp *txtime_qg, u16 buf_size,
4884 struct ice_sq_cd *cd)
4885 {
4886 struct ice_aqc_set_txtimeqs *cmd;
4887 struct libie_aq_desc desc;
4888 u16 size;
4889
4890 if (!txtime_qg || txtimeq > ICE_TXTIME_MAX_QUEUE ||
4891 q_count < 1 || q_count > ICE_SET_TXTIME_MAX_Q_AMOUNT)
4892 return -EINVAL;
4893
4894 size = struct_size(txtime_qg, txtimeqs, q_count);
4895 if (buf_size != size)
4896 return -EINVAL;
4897
4898 cmd = libie_aq_raw(&desc);
4899
4900 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_txtimeqs);
4901
4902 desc.flags |= cpu_to_le16(LIBIE_AQ_FLAG_RD);
4903
4904 cmd->q_id = cpu_to_le16(txtimeq);
4905 cmd->q_amount = cpu_to_le16(q_count);
4906 return ice_aq_send_cmd(hw, &desc, txtime_qg, buf_size, cd);
4907 }
4908
4909 /* End of FW Admin Queue command wrappers */
4910
4911 /**
4912 * ice_get_lan_q_ctx - get the LAN queue context for the given VSI and TC
4913 * @hw: pointer to the HW struct
4914 * @vsi_handle: software VSI handle
4915 * @tc: TC number
4916 * @q_handle: software queue handle
4917 */
4918 struct ice_q_ctx *
ice_get_lan_q_ctx(struct ice_hw * hw,u16 vsi_handle,u8 tc,u16 q_handle)4919 ice_get_lan_q_ctx(struct ice_hw *hw, u16 vsi_handle, u8 tc, u16 q_handle)
4920 {
4921 struct ice_vsi_ctx *vsi;
4922 struct ice_q_ctx *q_ctx;
4923
4924 vsi = ice_get_vsi_ctx(hw, vsi_handle);
4925 if (!vsi)
4926 return NULL;
4927 if (q_handle >= vsi->num_lan_q_entries[tc])
4928 return NULL;
4929 if (!vsi->lan_q_ctx[tc])
4930 return NULL;
4931 q_ctx = vsi->lan_q_ctx[tc];
4932 return &q_ctx[q_handle];
4933 }
4934
4935 /**
4936 * ice_ena_vsi_txq
4937 * @pi: port information structure
4938 * @vsi_handle: software VSI handle
4939 * @tc: TC number
4940 * @q_handle: software queue handle
4941 * @num_qgrps: Number of added queue groups
4942 * @buf: list of queue groups to be added
4943 * @buf_size: size of buffer for indirect command
4944 * @cd: pointer to command details structure or NULL
4945 *
4946 * This function adds one LAN queue
4947 */
4948 int
ice_ena_vsi_txq(struct ice_port_info * pi,u16 vsi_handle,u8 tc,u16 q_handle,u8 num_qgrps,struct ice_aqc_add_tx_qgrp * buf,u16 buf_size,struct ice_sq_cd * cd)4949 ice_ena_vsi_txq(struct ice_port_info *pi, u16 vsi_handle, u8 tc, u16 q_handle,
4950 u8 num_qgrps, struct ice_aqc_add_tx_qgrp *buf, u16 buf_size,
4951 struct ice_sq_cd *cd)
4952 {
4953 struct ice_aqc_txsched_elem_data node = { 0 };
4954 struct ice_sched_node *parent;
4955 struct ice_q_ctx *q_ctx;
4956 struct ice_hw *hw;
4957 int status;
4958
4959 if (!pi || pi->port_state != ICE_SCHED_PORT_STATE_READY)
4960 return -EIO;
4961
4962 if (num_qgrps > 1 || buf->num_txqs > 1)
4963 return -ENOSPC;
4964
4965 hw = pi->hw;
4966
4967 if (!ice_is_vsi_valid(hw, vsi_handle))
4968 return -EINVAL;
4969
4970 mutex_lock(&pi->sched_lock);
4971
4972 q_ctx = ice_get_lan_q_ctx(hw, vsi_handle, tc, q_handle);
4973 if (!q_ctx) {
4974 ice_debug(hw, ICE_DBG_SCHED, "Enaq: invalid queue handle %d\n",
4975 q_handle);
4976 status = -EINVAL;
4977 goto ena_txq_exit;
4978 }
4979
4980 /* find a parent node */
4981 parent = ice_sched_get_free_qparent(pi, vsi_handle, tc,
4982 ICE_SCHED_NODE_OWNER_LAN);
4983 if (!parent) {
4984 status = -EINVAL;
4985 goto ena_txq_exit;
4986 }
4987
4988 buf->parent_teid = parent->info.node_teid;
4989 node.parent_teid = parent->info.node_teid;
4990 /* Mark that the values in the "generic" section as valid. The default
4991 * value in the "generic" section is zero. This means that :
4992 * - Scheduling mode is Bytes Per Second (BPS), indicated by Bit 0.
4993 * - 0 priority among siblings, indicated by Bit 1-3.
4994 * - WFQ, indicated by Bit 4.
4995 * - 0 Adjustment value is used in PSM credit update flow, indicated by
4996 * Bit 5-6.
4997 * - Bit 7 is reserved.
4998 * Without setting the generic section as valid in valid_sections, the
4999 * Admin queue command will fail with error code ICE_AQ_RC_EINVAL.
5000 */
5001 buf->txqs[0].info.valid_sections =
5002 ICE_AQC_ELEM_VALID_GENERIC | ICE_AQC_ELEM_VALID_CIR |
5003 ICE_AQC_ELEM_VALID_EIR;
5004 buf->txqs[0].info.generic = 0;
5005 buf->txqs[0].info.cir_bw.bw_profile_idx =
5006 cpu_to_le16(ICE_SCHED_DFLT_RL_PROF_ID);
5007 buf->txqs[0].info.cir_bw.bw_alloc =
5008 cpu_to_le16(ICE_SCHED_DFLT_BW_WT);
5009 buf->txqs[0].info.eir_bw.bw_profile_idx =
5010 cpu_to_le16(ICE_SCHED_DFLT_RL_PROF_ID);
5011 buf->txqs[0].info.eir_bw.bw_alloc =
5012 cpu_to_le16(ICE_SCHED_DFLT_BW_WT);
5013
5014 /* add the LAN queue */
5015 status = ice_aq_add_lan_txq(hw, num_qgrps, buf, buf_size, cd);
5016 if (status) {
5017 ice_debug(hw, ICE_DBG_SCHED, "enable queue %d failed %d\n",
5018 le16_to_cpu(buf->txqs[0].txq_id),
5019 hw->adminq.sq_last_status);
5020 goto ena_txq_exit;
5021 }
5022
5023 node.node_teid = buf->txqs[0].q_teid;
5024 node.data.elem_type = ICE_AQC_ELEM_TYPE_LEAF;
5025 q_ctx->q_handle = q_handle;
5026 q_ctx->q_teid = le32_to_cpu(node.node_teid);
5027
5028 /* add a leaf node into scheduler tree queue layer */
5029 status = ice_sched_add_node(pi, hw->num_tx_sched_layers - 1, &node, NULL);
5030 if (!status)
5031 status = ice_sched_replay_q_bw(pi, q_ctx);
5032
5033 ena_txq_exit:
5034 mutex_unlock(&pi->sched_lock);
5035 return status;
5036 }
5037
5038 /**
5039 * ice_dis_vsi_txq
5040 * @pi: port information structure
5041 * @vsi_handle: software VSI handle
5042 * @tc: TC number
5043 * @num_queues: number of queues
5044 * @q_handles: pointer to software queue handle array
5045 * @q_ids: pointer to the q_id array
5046 * @q_teids: pointer to queue node teids
5047 * @rst_src: if called due to reset, specifies the reset source
5048 * @vmvf_num: the relative VM or VF number that is undergoing the reset
5049 * @cd: pointer to command details structure or NULL
5050 *
5051 * This function removes queues and their corresponding nodes in SW DB
5052 */
5053 int
ice_dis_vsi_txq(struct ice_port_info * pi,u16 vsi_handle,u8 tc,u8 num_queues,u16 * q_handles,u16 * q_ids,u32 * q_teids,enum ice_disq_rst_src rst_src,u16 vmvf_num,struct ice_sq_cd * cd)5054 ice_dis_vsi_txq(struct ice_port_info *pi, u16 vsi_handle, u8 tc, u8 num_queues,
5055 u16 *q_handles, u16 *q_ids, u32 *q_teids,
5056 enum ice_disq_rst_src rst_src, u16 vmvf_num,
5057 struct ice_sq_cd *cd)
5058 {
5059 DEFINE_RAW_FLEX(struct ice_aqc_dis_txq_item, qg_list, q_id, 1);
5060 u16 i, buf_size = __struct_size(qg_list);
5061 struct ice_q_ctx *q_ctx;
5062 int status = -ENOENT;
5063 struct ice_hw *hw;
5064
5065 if (!pi || pi->port_state != ICE_SCHED_PORT_STATE_READY)
5066 return -EIO;
5067
5068 hw = pi->hw;
5069
5070 if (!num_queues) {
5071 /* if queue is disabled already yet the disable queue command
5072 * has to be sent to complete the VF reset, then call
5073 * ice_aq_dis_lan_txq without any queue information
5074 */
5075 if (rst_src)
5076 return ice_aq_dis_lan_txq(hw, 0, NULL, 0, rst_src,
5077 vmvf_num, NULL);
5078 return -EIO;
5079 }
5080
5081 mutex_lock(&pi->sched_lock);
5082
5083 for (i = 0; i < num_queues; i++) {
5084 struct ice_sched_node *node;
5085
5086 node = ice_sched_find_node_by_teid(pi->root, q_teids[i]);
5087 if (!node)
5088 continue;
5089 q_ctx = ice_get_lan_q_ctx(hw, vsi_handle, tc, q_handles[i]);
5090 if (!q_ctx) {
5091 ice_debug(hw, ICE_DBG_SCHED, "invalid queue handle%d\n",
5092 q_handles[i]);
5093 continue;
5094 }
5095 if (q_ctx->q_handle != q_handles[i]) {
5096 ice_debug(hw, ICE_DBG_SCHED, "Err:handles %d %d\n",
5097 q_ctx->q_handle, q_handles[i]);
5098 continue;
5099 }
5100 qg_list->parent_teid = node->info.parent_teid;
5101 qg_list->num_qs = 1;
5102 qg_list->q_id[0] = cpu_to_le16(q_ids[i]);
5103 status = ice_aq_dis_lan_txq(hw, 1, qg_list, buf_size, rst_src,
5104 vmvf_num, cd);
5105
5106 if (status)
5107 break;
5108 ice_free_sched_node(pi, node);
5109 q_ctx->q_handle = ICE_INVAL_Q_HANDLE;
5110 q_ctx->q_teid = ICE_INVAL_TEID;
5111 }
5112 mutex_unlock(&pi->sched_lock);
5113 return status;
5114 }
5115
5116 /**
5117 * ice_cfg_vsi_qs - configure the new/existing VSI queues
5118 * @pi: port information structure
5119 * @vsi_handle: software VSI handle
5120 * @tc_bitmap: TC bitmap
5121 * @maxqs: max queues array per TC
5122 * @owner: LAN or RDMA
5123 *
5124 * This function adds/updates the VSI queues per TC.
5125 */
5126 static int
ice_cfg_vsi_qs(struct ice_port_info * pi,u16 vsi_handle,u8 tc_bitmap,u16 * maxqs,u8 owner)5127 ice_cfg_vsi_qs(struct ice_port_info *pi, u16 vsi_handle, u8 tc_bitmap,
5128 u16 *maxqs, u8 owner)
5129 {
5130 int status = 0;
5131 u8 i;
5132
5133 if (!pi || pi->port_state != ICE_SCHED_PORT_STATE_READY)
5134 return -EIO;
5135
5136 if (!ice_is_vsi_valid(pi->hw, vsi_handle))
5137 return -EINVAL;
5138
5139 mutex_lock(&pi->sched_lock);
5140
5141 ice_for_each_traffic_class(i) {
5142 /* configuration is possible only if TC node is present */
5143 if (!ice_sched_get_tc_node(pi, i))
5144 continue;
5145
5146 status = ice_sched_cfg_vsi(pi, vsi_handle, i, maxqs[i], owner,
5147 ice_is_tc_ena(tc_bitmap, i));
5148 if (status)
5149 break;
5150 }
5151
5152 mutex_unlock(&pi->sched_lock);
5153 return status;
5154 }
5155
5156 /**
5157 * ice_cfg_vsi_lan - configure VSI LAN queues
5158 * @pi: port information structure
5159 * @vsi_handle: software VSI handle
5160 * @tc_bitmap: TC bitmap
5161 * @max_lanqs: max LAN queues array per TC
5162 *
5163 * This function adds/updates the VSI LAN queues per TC.
5164 */
5165 int
ice_cfg_vsi_lan(struct ice_port_info * pi,u16 vsi_handle,u8 tc_bitmap,u16 * max_lanqs)5166 ice_cfg_vsi_lan(struct ice_port_info *pi, u16 vsi_handle, u8 tc_bitmap,
5167 u16 *max_lanqs)
5168 {
5169 return ice_cfg_vsi_qs(pi, vsi_handle, tc_bitmap, max_lanqs,
5170 ICE_SCHED_NODE_OWNER_LAN);
5171 }
5172
5173 /**
5174 * ice_cfg_vsi_rdma - configure the VSI RDMA queues
5175 * @pi: port information structure
5176 * @vsi_handle: software VSI handle
5177 * @tc_bitmap: TC bitmap
5178 * @max_rdmaqs: max RDMA queues array per TC
5179 *
5180 * This function adds/updates the VSI RDMA queues per TC.
5181 */
5182 int
ice_cfg_vsi_rdma(struct ice_port_info * pi,u16 vsi_handle,u16 tc_bitmap,u16 * max_rdmaqs)5183 ice_cfg_vsi_rdma(struct ice_port_info *pi, u16 vsi_handle, u16 tc_bitmap,
5184 u16 *max_rdmaqs)
5185 {
5186 return ice_cfg_vsi_qs(pi, vsi_handle, tc_bitmap, max_rdmaqs,
5187 ICE_SCHED_NODE_OWNER_RDMA);
5188 }
5189
5190 /**
5191 * ice_ena_vsi_rdma_qset
5192 * @pi: port information structure
5193 * @vsi_handle: software VSI handle
5194 * @tc: TC number
5195 * @rdma_qset: pointer to RDMA Qset
5196 * @num_qsets: number of RDMA Qsets
5197 * @qset_teid: pointer to Qset node TEIDs
5198 *
5199 * This function adds RDMA Qset
5200 */
5201 int
ice_ena_vsi_rdma_qset(struct ice_port_info * pi,u16 vsi_handle,u8 tc,u16 * rdma_qset,u16 num_qsets,u32 * qset_teid)5202 ice_ena_vsi_rdma_qset(struct ice_port_info *pi, u16 vsi_handle, u8 tc,
5203 u16 *rdma_qset, u16 num_qsets, u32 *qset_teid)
5204 {
5205 struct ice_aqc_txsched_elem_data node = { 0 };
5206 struct ice_aqc_add_rdma_qset_data *buf;
5207 struct ice_sched_node *parent;
5208 struct ice_hw *hw;
5209 u16 i, buf_size;
5210 int ret;
5211
5212 if (!pi || pi->port_state != ICE_SCHED_PORT_STATE_READY)
5213 return -EIO;
5214 hw = pi->hw;
5215
5216 if (!ice_is_vsi_valid(hw, vsi_handle))
5217 return -EINVAL;
5218
5219 buf_size = struct_size(buf, rdma_qsets, num_qsets);
5220 buf = kzalloc(buf_size, GFP_KERNEL);
5221 if (!buf)
5222 return -ENOMEM;
5223 mutex_lock(&pi->sched_lock);
5224
5225 parent = ice_sched_get_free_qparent(pi, vsi_handle, tc,
5226 ICE_SCHED_NODE_OWNER_RDMA);
5227 if (!parent) {
5228 ret = -EINVAL;
5229 goto rdma_error_exit;
5230 }
5231 buf->parent_teid = parent->info.node_teid;
5232 node.parent_teid = parent->info.node_teid;
5233
5234 buf->num_qsets = cpu_to_le16(num_qsets);
5235 for (i = 0; i < num_qsets; i++) {
5236 buf->rdma_qsets[i].tx_qset_id = cpu_to_le16(rdma_qset[i]);
5237 buf->rdma_qsets[i].info.valid_sections =
5238 ICE_AQC_ELEM_VALID_GENERIC | ICE_AQC_ELEM_VALID_CIR |
5239 ICE_AQC_ELEM_VALID_EIR;
5240 buf->rdma_qsets[i].info.generic = 0;
5241 buf->rdma_qsets[i].info.cir_bw.bw_profile_idx =
5242 cpu_to_le16(ICE_SCHED_DFLT_RL_PROF_ID);
5243 buf->rdma_qsets[i].info.cir_bw.bw_alloc =
5244 cpu_to_le16(ICE_SCHED_DFLT_BW_WT);
5245 buf->rdma_qsets[i].info.eir_bw.bw_profile_idx =
5246 cpu_to_le16(ICE_SCHED_DFLT_RL_PROF_ID);
5247 buf->rdma_qsets[i].info.eir_bw.bw_alloc =
5248 cpu_to_le16(ICE_SCHED_DFLT_BW_WT);
5249 }
5250 ret = ice_aq_add_rdma_qsets(hw, 1, buf, buf_size, NULL);
5251 if (ret) {
5252 ice_debug(hw, ICE_DBG_RDMA, "add RDMA qset failed\n");
5253 goto rdma_error_exit;
5254 }
5255 node.data.elem_type = ICE_AQC_ELEM_TYPE_LEAF;
5256 for (i = 0; i < num_qsets; i++) {
5257 node.node_teid = buf->rdma_qsets[i].qset_teid;
5258 ret = ice_sched_add_node(pi, hw->num_tx_sched_layers - 1,
5259 &node, NULL);
5260 if (ret)
5261 break;
5262 qset_teid[i] = le32_to_cpu(node.node_teid);
5263 }
5264 rdma_error_exit:
5265 mutex_unlock(&pi->sched_lock);
5266 kfree(buf);
5267 return ret;
5268 }
5269
5270 /**
5271 * ice_dis_vsi_rdma_qset - free RDMA resources
5272 * @pi: port_info struct
5273 * @count: number of RDMA Qsets to free
5274 * @qset_teid: TEID of Qset node
5275 * @q_id: list of queue IDs being disabled
5276 */
5277 int
ice_dis_vsi_rdma_qset(struct ice_port_info * pi,u16 count,u32 * qset_teid,u16 * q_id)5278 ice_dis_vsi_rdma_qset(struct ice_port_info *pi, u16 count, u32 *qset_teid,
5279 u16 *q_id)
5280 {
5281 DEFINE_RAW_FLEX(struct ice_aqc_dis_txq_item, qg_list, q_id, 1);
5282 u16 qg_size = __struct_size(qg_list);
5283 struct ice_hw *hw;
5284 int status = 0;
5285 int i;
5286
5287 if (!pi || pi->port_state != ICE_SCHED_PORT_STATE_READY)
5288 return -EIO;
5289
5290 hw = pi->hw;
5291
5292 mutex_lock(&pi->sched_lock);
5293
5294 for (i = 0; i < count; i++) {
5295 struct ice_sched_node *node;
5296
5297 node = ice_sched_find_node_by_teid(pi->root, qset_teid[i]);
5298 if (!node)
5299 continue;
5300
5301 qg_list->parent_teid = node->info.parent_teid;
5302 qg_list->num_qs = 1;
5303 qg_list->q_id[0] =
5304 cpu_to_le16(q_id[i] |
5305 ICE_AQC_Q_DIS_BUF_ELEM_TYPE_RDMA_QSET);
5306
5307 status = ice_aq_dis_lan_txq(hw, 1, qg_list, qg_size,
5308 ICE_NO_RESET, 0, NULL);
5309 if (status)
5310 break;
5311
5312 ice_free_sched_node(pi, node);
5313 }
5314
5315 mutex_unlock(&pi->sched_lock);
5316 return status;
5317 }
5318
5319 /**
5320 * ice_aq_get_cgu_input_pin_measure - get input pin signal measurements
5321 * @hw: pointer to the HW struct
5322 * @dpll_idx: index of dpll to be measured
5323 * @meas: array to be filled with results
5324 * @meas_num: max number of results array can hold
5325 *
5326 * Get CGU measurements (0x0C59) of phase and frequency offsets for input
5327 * pins on given dpll.
5328 *
5329 * Return: 0 on success or negative value on failure.
5330 */
ice_aq_get_cgu_input_pin_measure(struct ice_hw * hw,u8 dpll_idx,struct ice_cgu_input_measure * meas,u16 meas_num)5331 int ice_aq_get_cgu_input_pin_measure(struct ice_hw *hw, u8 dpll_idx,
5332 struct ice_cgu_input_measure *meas,
5333 u16 meas_num)
5334 {
5335 struct ice_aqc_get_cgu_input_measure *cmd;
5336 struct libie_aq_desc desc;
5337
5338 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_cgu_input_measure);
5339 cmd = libie_aq_raw(&desc);
5340 cmd->dpll_idx_opt = dpll_idx & ICE_AQC_GET_CGU_IN_MEAS_DPLL_IDX_M;
5341
5342 return ice_aq_send_cmd(hw, &desc, meas, meas_num * sizeof(*meas), NULL);
5343 }
5344
5345 /**
5346 * ice_aq_get_cgu_abilities - get cgu abilities
5347 * @hw: pointer to the HW struct
5348 * @abilities: CGU abilities
5349 *
5350 * Get CGU abilities (0x0C61)
5351 * Return: 0 on success or negative value on failure.
5352 */
5353 int
ice_aq_get_cgu_abilities(struct ice_hw * hw,struct ice_aqc_get_cgu_abilities * abilities)5354 ice_aq_get_cgu_abilities(struct ice_hw *hw,
5355 struct ice_aqc_get_cgu_abilities *abilities)
5356 {
5357 struct libie_aq_desc desc;
5358
5359 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_cgu_abilities);
5360 return ice_aq_send_cmd(hw, &desc, abilities, sizeof(*abilities), NULL);
5361 }
5362
5363 /**
5364 * ice_aq_set_input_pin_cfg - set input pin config
5365 * @hw: pointer to the HW struct
5366 * @input_idx: Input index
5367 * @flags1: Input flags
5368 * @flags2: Input flags
5369 * @freq: Frequency in Hz
5370 * @phase_delay: Delay in ps
5371 *
5372 * Set CGU input config (0x0C62)
5373 * Return: 0 on success or negative value on failure.
5374 */
5375 int
ice_aq_set_input_pin_cfg(struct ice_hw * hw,u8 input_idx,u8 flags1,u8 flags2,u32 freq,s32 phase_delay)5376 ice_aq_set_input_pin_cfg(struct ice_hw *hw, u8 input_idx, u8 flags1, u8 flags2,
5377 u32 freq, s32 phase_delay)
5378 {
5379 struct ice_aqc_set_cgu_input_config *cmd;
5380 struct libie_aq_desc desc;
5381
5382 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_cgu_input_config);
5383 cmd = libie_aq_raw(&desc);
5384 cmd->input_idx = input_idx;
5385 cmd->flags1 = flags1;
5386 cmd->flags2 = flags2;
5387 cmd->freq = cpu_to_le32(freq);
5388 cmd->phase_delay = cpu_to_le32(phase_delay);
5389
5390 return ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
5391 }
5392
5393 /**
5394 * ice_aq_get_input_pin_cfg - get input pin config
5395 * @hw: pointer to the HW struct
5396 * @input_idx: Input index
5397 * @status: Pin status
5398 * @type: Pin type
5399 * @flags1: Input flags
5400 * @flags2: Input flags
5401 * @freq: Frequency in Hz
5402 * @phase_delay: Delay in ps
5403 *
5404 * Get CGU input config (0x0C63)
5405 * Return: 0 on success or negative value on failure.
5406 */
5407 int
ice_aq_get_input_pin_cfg(struct ice_hw * hw,u8 input_idx,u8 * status,u8 * type,u8 * flags1,u8 * flags2,u32 * freq,s32 * phase_delay)5408 ice_aq_get_input_pin_cfg(struct ice_hw *hw, u8 input_idx, u8 *status, u8 *type,
5409 u8 *flags1, u8 *flags2, u32 *freq, s32 *phase_delay)
5410 {
5411 struct ice_aqc_get_cgu_input_config *cmd;
5412 struct libie_aq_desc desc;
5413 int ret;
5414
5415 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_cgu_input_config);
5416 cmd = libie_aq_raw(&desc);
5417 cmd->input_idx = input_idx;
5418
5419 ret = ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
5420 if (!ret) {
5421 if (status)
5422 *status = cmd->status;
5423 if (type)
5424 *type = cmd->type;
5425 if (flags1)
5426 *flags1 = cmd->flags1;
5427 if (flags2)
5428 *flags2 = cmd->flags2;
5429 if (freq)
5430 *freq = le32_to_cpu(cmd->freq);
5431 if (phase_delay)
5432 *phase_delay = le32_to_cpu(cmd->phase_delay);
5433 }
5434
5435 return ret;
5436 }
5437
5438 /**
5439 * ice_aq_set_output_pin_cfg - set output pin config
5440 * @hw: pointer to the HW struct
5441 * @output_idx: Output index
5442 * @flags: Output flags
5443 * @src_sel: Index of DPLL block
5444 * @freq: Output frequency
5445 * @phase_delay: Output phase compensation
5446 *
5447 * Set CGU output config (0x0C64)
5448 * Return: 0 on success or negative value on failure.
5449 */
5450 int
ice_aq_set_output_pin_cfg(struct ice_hw * hw,u8 output_idx,u8 flags,u8 src_sel,u32 freq,s32 phase_delay)5451 ice_aq_set_output_pin_cfg(struct ice_hw *hw, u8 output_idx, u8 flags,
5452 u8 src_sel, u32 freq, s32 phase_delay)
5453 {
5454 struct ice_aqc_set_cgu_output_config *cmd;
5455 struct libie_aq_desc desc;
5456
5457 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_cgu_output_config);
5458 cmd = libie_aq_raw(&desc);
5459 cmd->output_idx = output_idx;
5460 cmd->flags = flags;
5461 cmd->src_sel = src_sel;
5462 cmd->freq = cpu_to_le32(freq);
5463 cmd->phase_delay = cpu_to_le32(phase_delay);
5464
5465 return ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
5466 }
5467
5468 /**
5469 * ice_aq_get_output_pin_cfg - get output pin config
5470 * @hw: pointer to the HW struct
5471 * @output_idx: Output index
5472 * @flags: Output flags
5473 * @src_sel: Internal DPLL source
5474 * @freq: Output frequency
5475 * @src_freq: Source frequency
5476 *
5477 * Get CGU output config (0x0C65)
5478 * Return: 0 on success or negative value on failure.
5479 */
5480 int
ice_aq_get_output_pin_cfg(struct ice_hw * hw,u8 output_idx,u8 * flags,u8 * src_sel,u32 * freq,u32 * src_freq)5481 ice_aq_get_output_pin_cfg(struct ice_hw *hw, u8 output_idx, u8 *flags,
5482 u8 *src_sel, u32 *freq, u32 *src_freq)
5483 {
5484 struct ice_aqc_get_cgu_output_config *cmd;
5485 struct libie_aq_desc desc;
5486 int ret;
5487
5488 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_cgu_output_config);
5489 cmd = libie_aq_raw(&desc);
5490 cmd->output_idx = output_idx;
5491
5492 ret = ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
5493 if (!ret) {
5494 if (flags)
5495 *flags = cmd->flags;
5496 if (src_sel)
5497 *src_sel = cmd->src_sel;
5498 if (freq)
5499 *freq = le32_to_cpu(cmd->freq);
5500 if (src_freq)
5501 *src_freq = le32_to_cpu(cmd->src_freq);
5502 }
5503
5504 return ret;
5505 }
5506
5507 /**
5508 * ice_aq_get_cgu_dpll_status - get dpll status
5509 * @hw: pointer to the HW struct
5510 * @dpll_num: DPLL index
5511 * @ref_state: Reference clock state
5512 * @config: current DPLL config
5513 * @dpll_state: current DPLL state
5514 * @phase_offset: Phase offset in ns
5515 * @eec_mode: EEC_mode
5516 *
5517 * Get CGU DPLL status (0x0C66)
5518 * Return: 0 on success or negative value on failure.
5519 */
5520 int
ice_aq_get_cgu_dpll_status(struct ice_hw * hw,u8 dpll_num,u8 * ref_state,u8 * dpll_state,u8 * config,s64 * phase_offset,u8 * eec_mode)5521 ice_aq_get_cgu_dpll_status(struct ice_hw *hw, u8 dpll_num, u8 *ref_state,
5522 u8 *dpll_state, u8 *config, s64 *phase_offset,
5523 u8 *eec_mode)
5524 {
5525 struct ice_aqc_get_cgu_dpll_status *cmd;
5526 struct libie_aq_desc desc;
5527 int status;
5528
5529 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_cgu_dpll_status);
5530 cmd = libie_aq_raw(&desc);
5531 cmd->dpll_num = dpll_num;
5532
5533 status = ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
5534 if (!status) {
5535 *ref_state = cmd->ref_state;
5536 *dpll_state = cmd->dpll_state;
5537 *config = cmd->config;
5538 *phase_offset = le32_to_cpu(cmd->phase_offset_h);
5539 *phase_offset <<= 32;
5540 *phase_offset += le32_to_cpu(cmd->phase_offset_l);
5541 *phase_offset = sign_extend64(*phase_offset, 47);
5542 *eec_mode = cmd->eec_mode;
5543 }
5544
5545 return status;
5546 }
5547
5548 /**
5549 * ice_aq_set_cgu_dpll_config - set dpll config
5550 * @hw: pointer to the HW struct
5551 * @dpll_num: DPLL index
5552 * @ref_state: Reference clock state
5553 * @config: DPLL config
5554 * @eec_mode: EEC mode
5555 *
5556 * Set CGU DPLL config (0x0C67)
5557 * Return: 0 on success or negative value on failure.
5558 */
5559 int
ice_aq_set_cgu_dpll_config(struct ice_hw * hw,u8 dpll_num,u8 ref_state,u8 config,u8 eec_mode)5560 ice_aq_set_cgu_dpll_config(struct ice_hw *hw, u8 dpll_num, u8 ref_state,
5561 u8 config, u8 eec_mode)
5562 {
5563 struct ice_aqc_set_cgu_dpll_config *cmd;
5564 struct libie_aq_desc desc;
5565
5566 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_cgu_dpll_config);
5567 cmd = libie_aq_raw(&desc);
5568 cmd->dpll_num = dpll_num;
5569 cmd->ref_state = ref_state;
5570 cmd->config = config;
5571 cmd->eec_mode = eec_mode;
5572
5573 return ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
5574 }
5575
5576 /**
5577 * ice_aq_set_cgu_ref_prio - set input reference priority
5578 * @hw: pointer to the HW struct
5579 * @dpll_num: DPLL index
5580 * @ref_idx: Reference pin index
5581 * @ref_priority: Reference input priority
5582 *
5583 * Set CGU reference priority (0x0C68)
5584 * Return: 0 on success or negative value on failure.
5585 */
5586 int
ice_aq_set_cgu_ref_prio(struct ice_hw * hw,u8 dpll_num,u8 ref_idx,u8 ref_priority)5587 ice_aq_set_cgu_ref_prio(struct ice_hw *hw, u8 dpll_num, u8 ref_idx,
5588 u8 ref_priority)
5589 {
5590 struct ice_aqc_set_cgu_ref_prio *cmd;
5591 struct libie_aq_desc desc;
5592
5593 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_cgu_ref_prio);
5594 cmd = libie_aq_raw(&desc);
5595 cmd->dpll_num = dpll_num;
5596 cmd->ref_idx = ref_idx;
5597 cmd->ref_priority = ref_priority;
5598
5599 return ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
5600 }
5601
5602 /**
5603 * ice_aq_get_cgu_ref_prio - get input reference priority
5604 * @hw: pointer to the HW struct
5605 * @dpll_num: DPLL index
5606 * @ref_idx: Reference pin index
5607 * @ref_prio: Reference input priority
5608 *
5609 * Get CGU reference priority (0x0C69)
5610 * Return: 0 on success or negative value on failure.
5611 */
5612 int
ice_aq_get_cgu_ref_prio(struct ice_hw * hw,u8 dpll_num,u8 ref_idx,u8 * ref_prio)5613 ice_aq_get_cgu_ref_prio(struct ice_hw *hw, u8 dpll_num, u8 ref_idx,
5614 u8 *ref_prio)
5615 {
5616 struct ice_aqc_get_cgu_ref_prio *cmd;
5617 struct libie_aq_desc desc;
5618 int status;
5619
5620 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_cgu_ref_prio);
5621 cmd = libie_aq_raw(&desc);
5622 cmd->dpll_num = dpll_num;
5623 cmd->ref_idx = ref_idx;
5624
5625 status = ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
5626 if (!status)
5627 *ref_prio = cmd->ref_priority;
5628
5629 return status;
5630 }
5631
5632 /**
5633 * ice_aq_get_cgu_info - get cgu info
5634 * @hw: pointer to the HW struct
5635 * @cgu_id: CGU ID
5636 * @cgu_cfg_ver: CGU config version
5637 * @cgu_fw_ver: CGU firmware version
5638 *
5639 * Get CGU info (0x0C6A)
5640 * Return: 0 on success or negative value on failure.
5641 */
5642 int
ice_aq_get_cgu_info(struct ice_hw * hw,u32 * cgu_id,u32 * cgu_cfg_ver,u32 * cgu_fw_ver)5643 ice_aq_get_cgu_info(struct ice_hw *hw, u32 *cgu_id, u32 *cgu_cfg_ver,
5644 u32 *cgu_fw_ver)
5645 {
5646 struct ice_aqc_get_cgu_info *cmd;
5647 struct libie_aq_desc desc;
5648 int status;
5649
5650 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_cgu_info);
5651 cmd = libie_aq_raw(&desc);
5652
5653 status = ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
5654 if (!status) {
5655 *cgu_id = le32_to_cpu(cmd->cgu_id);
5656 *cgu_cfg_ver = le32_to_cpu(cmd->cgu_cfg_ver);
5657 *cgu_fw_ver = le32_to_cpu(cmd->cgu_fw_ver);
5658 }
5659
5660 return status;
5661 }
5662
5663 /**
5664 * ice_aq_set_phy_rec_clk_out - set RCLK phy out
5665 * @hw: pointer to the HW struct
5666 * @phy_output: PHY reference clock output pin
5667 * @enable: GPIO state to be applied
5668 * @freq: PHY output frequency
5669 *
5670 * Set phy recovered clock as reference (0x0630)
5671 * Return: 0 on success or negative value on failure.
5672 */
5673 int
ice_aq_set_phy_rec_clk_out(struct ice_hw * hw,u8 phy_output,bool enable,u32 * freq)5674 ice_aq_set_phy_rec_clk_out(struct ice_hw *hw, u8 phy_output, bool enable,
5675 u32 *freq)
5676 {
5677 struct ice_aqc_set_phy_rec_clk_out *cmd;
5678 struct libie_aq_desc desc;
5679 int status;
5680
5681 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_phy_rec_clk_out);
5682 cmd = libie_aq_raw(&desc);
5683 cmd->phy_output = phy_output;
5684 cmd->port_num = ICE_AQC_SET_PHY_REC_CLK_OUT_CURR_PORT;
5685 cmd->flags = enable & ICE_AQC_SET_PHY_REC_CLK_OUT_OUT_EN;
5686 cmd->freq = cpu_to_le32(*freq);
5687
5688 status = ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
5689 if (!status)
5690 *freq = le32_to_cpu(cmd->freq);
5691
5692 return status;
5693 }
5694
5695 /**
5696 * ice_aq_get_phy_rec_clk_out - get phy recovered signal info
5697 * @hw: pointer to the HW struct
5698 * @phy_output: PHY reference clock output pin
5699 * @port_num: Port number
5700 * @flags: PHY flags
5701 * @node_handle: PHY output frequency
5702 *
5703 * Get PHY recovered clock output info (0x0631)
5704 * Return: 0 on success or negative value on failure.
5705 */
5706 int
ice_aq_get_phy_rec_clk_out(struct ice_hw * hw,u8 * phy_output,u8 * port_num,u8 * flags,u16 * node_handle)5707 ice_aq_get_phy_rec_clk_out(struct ice_hw *hw, u8 *phy_output, u8 *port_num,
5708 u8 *flags, u16 *node_handle)
5709 {
5710 struct ice_aqc_get_phy_rec_clk_out *cmd;
5711 struct libie_aq_desc desc;
5712 int status;
5713
5714 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_phy_rec_clk_out);
5715 cmd = libie_aq_raw(&desc);
5716 cmd->phy_output = *phy_output;
5717
5718 status = ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
5719 if (!status) {
5720 *phy_output = cmd->phy_output;
5721 if (port_num)
5722 *port_num = cmd->port_num;
5723 if (flags)
5724 *flags = cmd->flags;
5725 if (node_handle)
5726 *node_handle = le16_to_cpu(cmd->node_handle);
5727 }
5728
5729 return status;
5730 }
5731
5732 /**
5733 * ice_aq_get_sensor_reading
5734 * @hw: pointer to the HW struct
5735 * @data: pointer to data to be read from the sensor
5736 *
5737 * Get sensor reading (0x0632)
5738 */
ice_aq_get_sensor_reading(struct ice_hw * hw,struct ice_aqc_get_sensor_reading_resp * data)5739 int ice_aq_get_sensor_reading(struct ice_hw *hw,
5740 struct ice_aqc_get_sensor_reading_resp *data)
5741 {
5742 struct ice_aqc_get_sensor_reading *cmd;
5743 struct libie_aq_desc desc;
5744 int status;
5745
5746 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_sensor_reading);
5747 cmd = libie_aq_raw(&desc);
5748 #define ICE_INTERNAL_TEMP_SENSOR_FORMAT 0
5749 #define ICE_INTERNAL_TEMP_SENSOR 0
5750 cmd->sensor = ICE_INTERNAL_TEMP_SENSOR;
5751 cmd->format = ICE_INTERNAL_TEMP_SENSOR_FORMAT;
5752
5753 status = ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
5754 if (!status)
5755 memcpy(data, &desc.params.raw,
5756 sizeof(*data));
5757
5758 return status;
5759 }
5760
5761 /**
5762 * ice_replay_pre_init - replay pre initialization
5763 * @hw: pointer to the HW struct
5764 *
5765 * Initializes required config data for VSI, FD, ACL, and RSS before replay.
5766 */
ice_replay_pre_init(struct ice_hw * hw)5767 static int ice_replay_pre_init(struct ice_hw *hw)
5768 {
5769 struct ice_switch_info *sw = hw->switch_info;
5770 u8 i;
5771
5772 /* Delete old entries from replay filter list head if there is any */
5773 ice_rm_all_sw_replay_rule_info(hw);
5774 /* In start of replay, move entries into replay_rules list, it
5775 * will allow adding rules entries back to filt_rules list,
5776 * which is operational list.
5777 */
5778 for (i = 0; i < ICE_MAX_NUM_RECIPES; i++)
5779 list_replace_init(&sw->recp_list[i].filt_rules,
5780 &sw->recp_list[i].filt_replay_rules);
5781 ice_sched_replay_agg_vsi_preinit(hw);
5782
5783 return 0;
5784 }
5785
5786 /**
5787 * ice_replay_vsi - replay VSI configuration
5788 * @hw: pointer to the HW struct
5789 * @vsi_handle: driver VSI handle
5790 *
5791 * Restore all VSI configuration after reset. It is required to call this
5792 * function with main VSI first.
5793 */
ice_replay_vsi(struct ice_hw * hw,u16 vsi_handle)5794 int ice_replay_vsi(struct ice_hw *hw, u16 vsi_handle)
5795 {
5796 int status;
5797
5798 if (!ice_is_vsi_valid(hw, vsi_handle))
5799 return -EINVAL;
5800
5801 /* Replay pre-initialization if there is any */
5802 if (vsi_handle == ICE_MAIN_VSI_HANDLE) {
5803 status = ice_replay_pre_init(hw);
5804 if (status)
5805 return status;
5806 }
5807 /* Replay per VSI all RSS configurations */
5808 status = ice_replay_rss_cfg(hw, vsi_handle);
5809 if (status)
5810 return status;
5811 /* Replay per VSI all filters */
5812 status = ice_replay_vsi_all_fltr(hw, vsi_handle);
5813 if (!status)
5814 status = ice_replay_vsi_agg(hw, vsi_handle);
5815 return status;
5816 }
5817
5818 /**
5819 * ice_replay_post - post replay configuration cleanup
5820 * @hw: pointer to the HW struct
5821 *
5822 * Post replay cleanup.
5823 */
ice_replay_post(struct ice_hw * hw)5824 void ice_replay_post(struct ice_hw *hw)
5825 {
5826 /* Delete old entries from replay filter list head */
5827 ice_rm_all_sw_replay_rule_info(hw);
5828 ice_sched_replay_agg(hw);
5829 }
5830
5831 /**
5832 * ice_stat_update40 - read 40 bit stat from the chip and update stat values
5833 * @hw: ptr to the hardware info
5834 * @reg: offset of 64 bit HW register to read from
5835 * @prev_stat_loaded: bool to specify if previous stats are loaded
5836 * @prev_stat: ptr to previous loaded stat value
5837 * @cur_stat: ptr to current stat value
5838 */
5839 void
ice_stat_update40(struct ice_hw * hw,u32 reg,bool prev_stat_loaded,u64 * prev_stat,u64 * cur_stat)5840 ice_stat_update40(struct ice_hw *hw, u32 reg, bool prev_stat_loaded,
5841 u64 *prev_stat, u64 *cur_stat)
5842 {
5843 u64 new_data = rd64(hw, reg) & (BIT_ULL(40) - 1);
5844
5845 /* device stats are not reset at PFR, they likely will not be zeroed
5846 * when the driver starts. Thus, save the value from the first read
5847 * without adding to the statistic value so that we report stats which
5848 * count up from zero.
5849 */
5850 if (!prev_stat_loaded) {
5851 *prev_stat = new_data;
5852 return;
5853 }
5854
5855 /* Calculate the difference between the new and old values, and then
5856 * add it to the software stat value.
5857 */
5858 if (new_data >= *prev_stat)
5859 *cur_stat += new_data - *prev_stat;
5860 else
5861 /* to manage the potential roll-over */
5862 *cur_stat += (new_data + BIT_ULL(40)) - *prev_stat;
5863
5864 /* Update the previously stored value to prepare for next read */
5865 *prev_stat = new_data;
5866 }
5867
5868 /**
5869 * ice_stat_update32 - read 32 bit stat from the chip and update stat values
5870 * @hw: ptr to the hardware info
5871 * @reg: offset of HW register to read from
5872 * @prev_stat_loaded: bool to specify if previous stats are loaded
5873 * @prev_stat: ptr to previous loaded stat value
5874 * @cur_stat: ptr to current stat value
5875 */
5876 void
ice_stat_update32(struct ice_hw * hw,u32 reg,bool prev_stat_loaded,u64 * prev_stat,u64 * cur_stat)5877 ice_stat_update32(struct ice_hw *hw, u32 reg, bool prev_stat_loaded,
5878 u64 *prev_stat, u64 *cur_stat)
5879 {
5880 u32 new_data;
5881
5882 new_data = rd32(hw, reg);
5883
5884 /* device stats are not reset at PFR, they likely will not be zeroed
5885 * when the driver starts. Thus, save the value from the first read
5886 * without adding to the statistic value so that we report stats which
5887 * count up from zero.
5888 */
5889 if (!prev_stat_loaded) {
5890 *prev_stat = new_data;
5891 return;
5892 }
5893
5894 /* Calculate the difference between the new and old values, and then
5895 * add it to the software stat value.
5896 */
5897 if (new_data >= *prev_stat)
5898 *cur_stat += new_data - *prev_stat;
5899 else
5900 /* to manage the potential roll-over */
5901 *cur_stat += (new_data + BIT_ULL(32)) - *prev_stat;
5902
5903 /* Update the previously stored value to prepare for next read */
5904 *prev_stat = new_data;
5905 }
5906
5907 /**
5908 * ice_sched_query_elem - query element information from HW
5909 * @hw: pointer to the HW struct
5910 * @node_teid: node TEID to be queried
5911 * @buf: buffer to element information
5912 *
5913 * This function queries HW element information
5914 */
5915 int
ice_sched_query_elem(struct ice_hw * hw,u32 node_teid,struct ice_aqc_txsched_elem_data * buf)5916 ice_sched_query_elem(struct ice_hw *hw, u32 node_teid,
5917 struct ice_aqc_txsched_elem_data *buf)
5918 {
5919 u16 buf_size, num_elem_ret = 0;
5920 int status;
5921
5922 buf_size = sizeof(*buf);
5923 memset(buf, 0, buf_size);
5924 buf->node_teid = cpu_to_le32(node_teid);
5925 status = ice_aq_query_sched_elems(hw, 1, buf, buf_size, &num_elem_ret,
5926 NULL);
5927 if (status || num_elem_ret != 1)
5928 ice_debug(hw, ICE_DBG_SCHED, "query element failed\n");
5929 return status;
5930 }
5931
5932 /**
5933 * ice_aq_read_i2c
5934 * @hw: pointer to the hw struct
5935 * @topo_addr: topology address for a device to communicate with
5936 * @bus_addr: 7-bit I2C bus address
5937 * @addr: I2C memory address (I2C offset) with up to 16 bits
5938 * @params: I2C parameters: bit [7] - Repeated start,
5939 * bits [6:5] data offset size,
5940 * bit [4] - I2C address type,
5941 * bits [3:0] - data size to read (0-16 bytes)
5942 * @data: pointer to data (0 to 16 bytes) to be read from the I2C device
5943 * @cd: pointer to command details structure or NULL
5944 *
5945 * Read I2C (0x06E2)
5946 */
5947 int
ice_aq_read_i2c(struct ice_hw * hw,struct ice_aqc_link_topo_addr topo_addr,u16 bus_addr,__le16 addr,u8 params,u8 * data,struct ice_sq_cd * cd)5948 ice_aq_read_i2c(struct ice_hw *hw, struct ice_aqc_link_topo_addr topo_addr,
5949 u16 bus_addr, __le16 addr, u8 params, u8 *data,
5950 struct ice_sq_cd *cd)
5951 {
5952 struct libie_aq_desc desc = { 0 };
5953 struct ice_aqc_i2c *cmd;
5954 u8 data_size;
5955 int status;
5956
5957 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_read_i2c);
5958 cmd = libie_aq_raw(&desc);
5959
5960 if (!data)
5961 return -EINVAL;
5962
5963 data_size = FIELD_GET(ICE_AQC_I2C_DATA_SIZE_M, params);
5964
5965 cmd->i2c_bus_addr = cpu_to_le16(bus_addr);
5966 cmd->topo_addr = topo_addr;
5967 cmd->i2c_params = params;
5968 cmd->i2c_addr = addr;
5969
5970 status = ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
5971 if (!status) {
5972 struct ice_aqc_read_i2c_resp *resp;
5973 u8 i;
5974
5975 resp = libie_aq_raw(&desc);
5976 for (i = 0; i < data_size; i++) {
5977 *data = resp->i2c_data[i];
5978 data++;
5979 }
5980 }
5981
5982 return status;
5983 }
5984
5985 /**
5986 * ice_aq_write_i2c
5987 * @hw: pointer to the hw struct
5988 * @topo_addr: topology address for a device to communicate with
5989 * @bus_addr: 7-bit I2C bus address
5990 * @addr: I2C memory address (I2C offset) with up to 16 bits
5991 * @params: I2C parameters: bit [4] - I2C address type, bits [3:0] - data size to write (0-7 bytes)
5992 * @data: pointer to data (0 to 4 bytes) to be written to the I2C device
5993 * @cd: pointer to command details structure or NULL
5994 *
5995 * Write I2C (0x06E3)
5996 *
5997 * * Return:
5998 * * 0 - Successful write to the i2c device
5999 * * -EINVAL - Data size greater than 4 bytes
6000 * * -EIO - FW error
6001 */
6002 int
ice_aq_write_i2c(struct ice_hw * hw,struct ice_aqc_link_topo_addr topo_addr,u16 bus_addr,__le16 addr,u8 params,const u8 * data,struct ice_sq_cd * cd)6003 ice_aq_write_i2c(struct ice_hw *hw, struct ice_aqc_link_topo_addr topo_addr,
6004 u16 bus_addr, __le16 addr, u8 params, const u8 *data,
6005 struct ice_sq_cd *cd)
6006 {
6007 struct libie_aq_desc desc = { 0 };
6008 struct ice_aqc_i2c *cmd;
6009 u8 data_size;
6010
6011 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_write_i2c);
6012 cmd = libie_aq_raw(&desc);
6013
6014 data_size = FIELD_GET(ICE_AQC_I2C_DATA_SIZE_M, params);
6015
6016 /* data_size limited to 4 */
6017 if (data_size > 4)
6018 return -EINVAL;
6019
6020 cmd->i2c_bus_addr = cpu_to_le16(bus_addr);
6021 cmd->topo_addr = topo_addr;
6022 cmd->i2c_params = params;
6023 cmd->i2c_addr = addr;
6024
6025 memcpy(cmd->i2c_data, data, data_size);
6026
6027 return ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
6028 }
6029
6030 /**
6031 * ice_get_pca9575_handle - find and return the PCA9575 controller
6032 * @hw: pointer to the hw struct
6033 * @pca9575_handle: GPIO controller's handle
6034 *
6035 * Find and return the GPIO controller's handle in the netlist.
6036 * When found - the value will be cached in the hw structure and following calls
6037 * will return cached value.
6038 *
6039 * Return: 0 on success, -ENXIO when there's no PCA9575 present.
6040 */
ice_get_pca9575_handle(struct ice_hw * hw,u16 * pca9575_handle)6041 int ice_get_pca9575_handle(struct ice_hw *hw, u16 *pca9575_handle)
6042 {
6043 struct ice_aqc_get_link_topo *cmd;
6044 struct libie_aq_desc desc;
6045 int err;
6046 u8 idx;
6047
6048 /* If handle was read previously return cached value */
6049 if (hw->io_expander_handle) {
6050 *pca9575_handle = hw->io_expander_handle;
6051 return 0;
6052 }
6053
6054 #define SW_PCA9575_SFP_TOPO_IDX 2
6055 #define SW_PCA9575_QSFP_TOPO_IDX 1
6056
6057 /* Check if the SW IO expander controlling SMA exists in the netlist. */
6058 if (hw->device_id == ICE_DEV_ID_E810C_SFP)
6059 idx = SW_PCA9575_SFP_TOPO_IDX;
6060 else if (hw->device_id == ICE_DEV_ID_E810C_QSFP)
6061 idx = SW_PCA9575_QSFP_TOPO_IDX;
6062 else
6063 return -ENXIO;
6064
6065 /* If handle was not detected read it from the netlist */
6066 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_link_topo);
6067 cmd = libie_aq_raw(&desc);
6068 cmd->addr.topo_params.node_type_ctx =
6069 ICE_AQC_LINK_TOPO_NODE_TYPE_GPIO_CTRL;
6070 cmd->addr.topo_params.index = idx;
6071
6072 err = ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
6073 if (err)
6074 return -ENXIO;
6075
6076 /* Verify if we found the right IO expander type */
6077 if (cmd->node_part_num != ICE_AQC_GET_LINK_TOPO_NODE_NR_PCA9575)
6078 return -ENXIO;
6079
6080 /* If present save the handle and return it */
6081 hw->io_expander_handle =
6082 le16_to_cpu(cmd->addr.handle);
6083 *pca9575_handle = hw->io_expander_handle;
6084
6085 return 0;
6086 }
6087
6088 /**
6089 * ice_read_pca9575_reg - read the register from the PCA9575 controller
6090 * @hw: pointer to the hw struct
6091 * @offset: GPIO controller register offset
6092 * @data: pointer to data to be read from the GPIO controller
6093 *
6094 * Return: 0 on success, negative error code otherwise.
6095 */
ice_read_pca9575_reg(struct ice_hw * hw,u8 offset,u8 * data)6096 int ice_read_pca9575_reg(struct ice_hw *hw, u8 offset, u8 *data)
6097 {
6098 struct ice_aqc_link_topo_addr link_topo;
6099 __le16 addr;
6100 u16 handle;
6101 int err;
6102
6103 memset(&link_topo, 0, sizeof(link_topo));
6104
6105 err = ice_get_pca9575_handle(hw, &handle);
6106 if (err)
6107 return err;
6108
6109 link_topo.handle = cpu_to_le16(handle);
6110 link_topo.topo_params.node_type_ctx =
6111 FIELD_PREP(ICE_AQC_LINK_TOPO_NODE_CTX_M,
6112 ICE_AQC_LINK_TOPO_NODE_CTX_PROVIDED);
6113
6114 addr = cpu_to_le16((u16)offset);
6115
6116 return ice_aq_read_i2c(hw, link_topo, 0, addr, 1, data, NULL);
6117 }
6118
6119 /**
6120 * ice_aq_set_gpio
6121 * @hw: pointer to the hw struct
6122 * @gpio_ctrl_handle: GPIO controller node handle
6123 * @pin_idx: IO Number of the GPIO that needs to be set
6124 * @value: SW provide IO value to set in the LSB
6125 * @cd: pointer to command details structure or NULL
6126 *
6127 * Sends 0x06EC AQ command to set the GPIO pin state that's part of the topology
6128 */
6129 int
ice_aq_set_gpio(struct ice_hw * hw,u16 gpio_ctrl_handle,u8 pin_idx,bool value,struct ice_sq_cd * cd)6130 ice_aq_set_gpio(struct ice_hw *hw, u16 gpio_ctrl_handle, u8 pin_idx, bool value,
6131 struct ice_sq_cd *cd)
6132 {
6133 struct libie_aq_desc desc;
6134 struct ice_aqc_gpio *cmd;
6135
6136 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_gpio);
6137 cmd = libie_aq_raw(&desc);
6138 cmd->gpio_ctrl_handle = cpu_to_le16(gpio_ctrl_handle);
6139 cmd->gpio_num = pin_idx;
6140 cmd->gpio_val = value ? 1 : 0;
6141
6142 return ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
6143 }
6144
6145 /**
6146 * ice_aq_get_gpio
6147 * @hw: pointer to the hw struct
6148 * @gpio_ctrl_handle: GPIO controller node handle
6149 * @pin_idx: IO Number of the GPIO that needs to be set
6150 * @value: IO value read
6151 * @cd: pointer to command details structure or NULL
6152 *
6153 * Sends 0x06ED AQ command to get the value of a GPIO signal which is part of
6154 * the topology
6155 */
6156 int
ice_aq_get_gpio(struct ice_hw * hw,u16 gpio_ctrl_handle,u8 pin_idx,bool * value,struct ice_sq_cd * cd)6157 ice_aq_get_gpio(struct ice_hw *hw, u16 gpio_ctrl_handle, u8 pin_idx,
6158 bool *value, struct ice_sq_cd *cd)
6159 {
6160 struct libie_aq_desc desc;
6161 struct ice_aqc_gpio *cmd;
6162 int status;
6163
6164 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_gpio);
6165 cmd = libie_aq_raw(&desc);
6166 cmd->gpio_ctrl_handle = cpu_to_le16(gpio_ctrl_handle);
6167 cmd->gpio_num = pin_idx;
6168
6169 status = ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
6170 if (status)
6171 return status;
6172
6173 *value = !!cmd->gpio_val;
6174 return 0;
6175 }
6176
6177 /**
6178 * ice_is_fw_api_min_ver
6179 * @hw: pointer to the hardware structure
6180 * @maj: major version
6181 * @min: minor version
6182 * @patch: patch version
6183 *
6184 * Checks if the firmware API is minimum version
6185 */
ice_is_fw_api_min_ver(struct ice_hw * hw,u8 maj,u8 min,u8 patch)6186 static bool ice_is_fw_api_min_ver(struct ice_hw *hw, u8 maj, u8 min, u8 patch)
6187 {
6188 if (hw->api_maj_ver == maj) {
6189 if (hw->api_min_ver > min)
6190 return true;
6191 if (hw->api_min_ver == min && hw->api_patch >= patch)
6192 return true;
6193 } else if (hw->api_maj_ver > maj) {
6194 return true;
6195 }
6196
6197 return false;
6198 }
6199
6200 /**
6201 * ice_fw_supports_link_override
6202 * @hw: pointer to the hardware structure
6203 *
6204 * Checks if the firmware supports link override
6205 */
ice_fw_supports_link_override(struct ice_hw * hw)6206 bool ice_fw_supports_link_override(struct ice_hw *hw)
6207 {
6208 return ice_is_fw_api_min_ver(hw, ICE_FW_API_LINK_OVERRIDE_MAJ,
6209 ICE_FW_API_LINK_OVERRIDE_MIN,
6210 ICE_FW_API_LINK_OVERRIDE_PATCH);
6211 }
6212
6213 /**
6214 * ice_get_link_default_override
6215 * @ldo: pointer to the link default override struct
6216 * @pi: pointer to the port info struct
6217 *
6218 * Gets the link default override for a port
6219 */
6220 int
ice_get_link_default_override(struct ice_link_default_override_tlv * ldo,struct ice_port_info * pi)6221 ice_get_link_default_override(struct ice_link_default_override_tlv *ldo,
6222 struct ice_port_info *pi)
6223 {
6224 u16 i, tlv, tlv_len, tlv_start, buf, offset;
6225 struct ice_hw *hw = pi->hw;
6226 int status;
6227
6228 status = ice_get_pfa_module_tlv(hw, &tlv, &tlv_len,
6229 ICE_SR_LINK_DEFAULT_OVERRIDE_PTR);
6230 if (status) {
6231 ice_debug(hw, ICE_DBG_INIT, "Failed to read link override TLV.\n");
6232 return status;
6233 }
6234
6235 /* Each port has its own config; calculate for our port */
6236 tlv_start = tlv + pi->lport * ICE_SR_PFA_LINK_OVERRIDE_WORDS +
6237 ICE_SR_PFA_LINK_OVERRIDE_OFFSET;
6238
6239 /* link options first */
6240 status = ice_read_sr_word(hw, tlv_start, &buf);
6241 if (status) {
6242 ice_debug(hw, ICE_DBG_INIT, "Failed to read override link options.\n");
6243 return status;
6244 }
6245 ldo->options = FIELD_GET(ICE_LINK_OVERRIDE_OPT_M, buf);
6246 ldo->phy_config = (buf & ICE_LINK_OVERRIDE_PHY_CFG_M) >>
6247 ICE_LINK_OVERRIDE_PHY_CFG_S;
6248
6249 /* link PHY config */
6250 offset = tlv_start + ICE_SR_PFA_LINK_OVERRIDE_FEC_OFFSET;
6251 status = ice_read_sr_word(hw, offset, &buf);
6252 if (status) {
6253 ice_debug(hw, ICE_DBG_INIT, "Failed to read override phy config.\n");
6254 return status;
6255 }
6256 ldo->fec_options = buf & ICE_LINK_OVERRIDE_FEC_OPT_M;
6257
6258 /* PHY types low */
6259 offset = tlv_start + ICE_SR_PFA_LINK_OVERRIDE_PHY_OFFSET;
6260 for (i = 0; i < ICE_SR_PFA_LINK_OVERRIDE_PHY_WORDS; i++) {
6261 status = ice_read_sr_word(hw, (offset + i), &buf);
6262 if (status) {
6263 ice_debug(hw, ICE_DBG_INIT, "Failed to read override link options.\n");
6264 return status;
6265 }
6266 /* shift 16 bits at a time to fill 64 bits */
6267 ldo->phy_type_low |= ((u64)buf << (i * 16));
6268 }
6269
6270 /* PHY types high */
6271 offset = tlv_start + ICE_SR_PFA_LINK_OVERRIDE_PHY_OFFSET +
6272 ICE_SR_PFA_LINK_OVERRIDE_PHY_WORDS;
6273 for (i = 0; i < ICE_SR_PFA_LINK_OVERRIDE_PHY_WORDS; i++) {
6274 status = ice_read_sr_word(hw, (offset + i), &buf);
6275 if (status) {
6276 ice_debug(hw, ICE_DBG_INIT, "Failed to read override link options.\n");
6277 return status;
6278 }
6279 /* shift 16 bits at a time to fill 64 bits */
6280 ldo->phy_type_high |= ((u64)buf << (i * 16));
6281 }
6282
6283 return status;
6284 }
6285
6286 /**
6287 * ice_is_phy_caps_an_enabled - check if PHY capabilities autoneg is enabled
6288 * @caps: get PHY capability data
6289 */
ice_is_phy_caps_an_enabled(struct ice_aqc_get_phy_caps_data * caps)6290 bool ice_is_phy_caps_an_enabled(struct ice_aqc_get_phy_caps_data *caps)
6291 {
6292 if (caps->caps & ICE_AQC_PHY_AN_MODE ||
6293 caps->low_power_ctrl_an & (ICE_AQC_PHY_AN_EN_CLAUSE28 |
6294 ICE_AQC_PHY_AN_EN_CLAUSE73 |
6295 ICE_AQC_PHY_AN_EN_CLAUSE37))
6296 return true;
6297
6298 return false;
6299 }
6300
6301 /**
6302 * ice_is_fw_health_report_supported - checks if firmware supports health events
6303 * @hw: pointer to the hardware structure
6304 *
6305 * Return: true if firmware supports health status reports,
6306 * false otherwise
6307 */
ice_is_fw_health_report_supported(struct ice_hw * hw)6308 bool ice_is_fw_health_report_supported(struct ice_hw *hw)
6309 {
6310 return ice_is_fw_api_min_ver(hw, ICE_FW_API_HEALTH_REPORT_MAJ,
6311 ICE_FW_API_HEALTH_REPORT_MIN,
6312 ICE_FW_API_HEALTH_REPORT_PATCH);
6313 }
6314
6315 /**
6316 * ice_aq_set_health_status_cfg - Configure FW health events
6317 * @hw: pointer to the HW struct
6318 * @event_source: type of diagnostic events to enable
6319 *
6320 * Configure the health status event types that the firmware will send to this
6321 * PF. The supported event types are: PF-specific, all PFs, and global.
6322 *
6323 * Return: 0 on success, negative error code otherwise.
6324 */
ice_aq_set_health_status_cfg(struct ice_hw * hw,u8 event_source)6325 int ice_aq_set_health_status_cfg(struct ice_hw *hw, u8 event_source)
6326 {
6327 struct ice_aqc_set_health_status_cfg *cmd;
6328 struct libie_aq_desc desc;
6329
6330 cmd = libie_aq_raw(&desc);
6331
6332 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_health_status_cfg);
6333
6334 cmd->event_source = event_source;
6335
6336 return ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
6337 }
6338
6339 /**
6340 * ice_aq_set_lldp_mib - Set the LLDP MIB
6341 * @hw: pointer to the HW struct
6342 * @mib_type: Local, Remote or both Local and Remote MIBs
6343 * @buf: pointer to the caller-supplied buffer to store the MIB block
6344 * @buf_size: size of the buffer (in bytes)
6345 * @cd: pointer to command details structure or NULL
6346 *
6347 * Set the LLDP MIB. (0x0A08)
6348 */
6349 int
ice_aq_set_lldp_mib(struct ice_hw * hw,u8 mib_type,void * buf,u16 buf_size,struct ice_sq_cd * cd)6350 ice_aq_set_lldp_mib(struct ice_hw *hw, u8 mib_type, void *buf, u16 buf_size,
6351 struct ice_sq_cd *cd)
6352 {
6353 struct ice_aqc_lldp_set_local_mib *cmd;
6354 struct libie_aq_desc desc;
6355
6356 cmd = libie_aq_raw(&desc);
6357
6358 if (buf_size == 0 || !buf)
6359 return -EINVAL;
6360
6361 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_lldp_set_local_mib);
6362
6363 desc.flags |= cpu_to_le16((u16)LIBIE_AQ_FLAG_RD);
6364 desc.datalen = cpu_to_le16(buf_size);
6365
6366 cmd->type = mib_type;
6367 cmd->length = cpu_to_le16(buf_size);
6368
6369 return ice_aq_send_cmd(hw, &desc, buf, buf_size, cd);
6370 }
6371
6372 /**
6373 * ice_fw_supports_lldp_fltr_ctrl - check NVM version supports lldp_fltr_ctrl
6374 * @hw: pointer to HW struct
6375 */
ice_fw_supports_lldp_fltr_ctrl(struct ice_hw * hw)6376 bool ice_fw_supports_lldp_fltr_ctrl(struct ice_hw *hw)
6377 {
6378 if (hw->mac_type != ICE_MAC_E810)
6379 return false;
6380
6381 return ice_is_fw_api_min_ver(hw, ICE_FW_API_LLDP_FLTR_MAJ,
6382 ICE_FW_API_LLDP_FLTR_MIN,
6383 ICE_FW_API_LLDP_FLTR_PATCH);
6384 }
6385
6386 /**
6387 * ice_lldp_fltr_add_remove - add or remove a LLDP Rx switch filter
6388 * @hw: pointer to HW struct
6389 * @vsi: VSI to add the filter to
6390 * @add: boolean for if adding or removing a filter
6391 *
6392 * Return: 0 on success, -EOPNOTSUPP if the operation cannot be performed
6393 * with this HW or VSI, otherwise an error corresponding to
6394 * the AQ transaction result.
6395 */
ice_lldp_fltr_add_remove(struct ice_hw * hw,struct ice_vsi * vsi,bool add)6396 int ice_lldp_fltr_add_remove(struct ice_hw *hw, struct ice_vsi *vsi, bool add)
6397 {
6398 struct ice_aqc_lldp_filter_ctrl *cmd;
6399 struct libie_aq_desc desc;
6400
6401 if (!ice_fw_supports_lldp_fltr_ctrl(hw))
6402 return -EOPNOTSUPP;
6403
6404 cmd = libie_aq_raw(&desc);
6405
6406 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_lldp_filter_ctrl);
6407
6408 if (add)
6409 cmd->cmd_flags = ICE_AQC_LLDP_FILTER_ACTION_ADD;
6410 else
6411 cmd->cmd_flags = ICE_AQC_LLDP_FILTER_ACTION_DELETE;
6412
6413 cmd->vsi_num = cpu_to_le16(vsi->vsi_num);
6414
6415 return ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
6416 }
6417
6418 /**
6419 * ice_lldp_execute_pending_mib - execute LLDP pending MIB request
6420 * @hw: pointer to HW struct
6421 */
ice_lldp_execute_pending_mib(struct ice_hw * hw)6422 int ice_lldp_execute_pending_mib(struct ice_hw *hw)
6423 {
6424 struct libie_aq_desc desc;
6425
6426 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_lldp_execute_pending_mib);
6427
6428 return ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
6429 }
6430
6431 /**
6432 * ice_fw_supports_report_dflt_cfg
6433 * @hw: pointer to the hardware structure
6434 *
6435 * Checks if the firmware supports report default configuration
6436 */
ice_fw_supports_report_dflt_cfg(struct ice_hw * hw)6437 bool ice_fw_supports_report_dflt_cfg(struct ice_hw *hw)
6438 {
6439 return ice_is_fw_api_min_ver(hw, ICE_FW_API_REPORT_DFLT_CFG_MAJ,
6440 ICE_FW_API_REPORT_DFLT_CFG_MIN,
6441 ICE_FW_API_REPORT_DFLT_CFG_PATCH);
6442 }
6443
6444 /* each of the indexes into the following array match the speed of a return
6445 * value from the list of AQ returned speeds like the range:
6446 * ICE_AQ_LINK_SPEED_10MB .. ICE_AQ_LINK_SPEED_100GB excluding
6447 * ICE_AQ_LINK_SPEED_UNKNOWN which is BIT(15) and maps to BIT(14) in this
6448 * array. The array is defined as 15 elements long because the link_speed
6449 * returned by the firmware is a 16 bit * value, but is indexed
6450 * by [fls(speed) - 1]
6451 */
6452 static const u32 ice_aq_to_link_speed[] = {
6453 SPEED_10, /* BIT(0) */
6454 SPEED_100,
6455 SPEED_1000,
6456 SPEED_2500,
6457 SPEED_5000,
6458 SPEED_10000,
6459 SPEED_20000,
6460 SPEED_25000,
6461 SPEED_40000,
6462 SPEED_50000,
6463 SPEED_100000, /* BIT(10) */
6464 SPEED_200000,
6465 };
6466
6467 /**
6468 * ice_get_link_speed - get integer speed from table
6469 * @index: array index from fls(aq speed) - 1
6470 *
6471 * Returns: u32 value containing integer speed
6472 */
ice_get_link_speed(u16 index)6473 u32 ice_get_link_speed(u16 index)
6474 {
6475 if (index >= ARRAY_SIZE(ice_aq_to_link_speed))
6476 return 0;
6477
6478 return ice_aq_to_link_speed[index];
6479 }
6480
6481 /**
6482 * ice_get_dest_cgu - get destination CGU dev for given HW
6483 * @hw: pointer to the HW struct
6484 *
6485 * Get CGU client id for CGU register read/write operations.
6486 *
6487 * Return: CGU device id to use in SBQ transactions.
6488 */
ice_get_dest_cgu(struct ice_hw * hw)6489 static enum ice_sbq_dev_id ice_get_dest_cgu(struct ice_hw *hw)
6490 {
6491 /* On dual complex E825 only complex 0 has functional CGU powering all
6492 * the PHYs.
6493 * SBQ destination device cgu points to CGU on a current complex and to
6494 * access primary CGU from the secondary complex, the driver should use
6495 * cgu_peer as a destination device.
6496 */
6497 if (hw->mac_type == ICE_MAC_GENERIC_3K_E825 && ice_is_dual(hw) &&
6498 !ice_is_primary(hw))
6499 return ice_sbq_dev_cgu_peer;
6500 return ice_sbq_dev_cgu;
6501 }
6502
6503 /**
6504 * ice_read_cgu_reg - Read a CGU register
6505 * @hw: Pointer to the HW struct
6506 * @addr: Register address to read
6507 * @val: Storage for register value read
6508 *
6509 * Read the contents of a register of the Clock Generation Unit. Only
6510 * applicable to E82X devices.
6511 *
6512 * Return: 0 on success, other error codes when failed to read from CGU.
6513 */
ice_read_cgu_reg(struct ice_hw * hw,u32 addr,u32 * val)6514 int ice_read_cgu_reg(struct ice_hw *hw, u32 addr, u32 *val)
6515 {
6516 struct ice_sbq_msg_input cgu_msg = {
6517 .dest_dev = ice_get_dest_cgu(hw),
6518 .opcode = ice_sbq_msg_rd,
6519 .msg_addr_low = addr
6520 };
6521 int err;
6522
6523 err = ice_sbq_rw_reg(hw, &cgu_msg, LIBIE_AQ_FLAG_RD);
6524 if (err) {
6525 ice_debug(hw, ICE_DBG_PTP, "Failed to read CGU register 0x%04x, err %d\n",
6526 addr, err);
6527 return err;
6528 }
6529
6530 *val = cgu_msg.data;
6531
6532 return 0;
6533 }
6534
6535 /**
6536 * ice_write_cgu_reg - Write a CGU register
6537 * @hw: Pointer to the HW struct
6538 * @addr: Register address to write
6539 * @val: Value to write into the register
6540 *
6541 * Write the specified value to a register of the Clock Generation Unit. Only
6542 * applicable to E82X devices.
6543 *
6544 * Return: 0 on success, other error codes when failed to write to CGU.
6545 */
ice_write_cgu_reg(struct ice_hw * hw,u32 addr,u32 val)6546 int ice_write_cgu_reg(struct ice_hw *hw, u32 addr, u32 val)
6547 {
6548 struct ice_sbq_msg_input cgu_msg = {
6549 .dest_dev = ice_get_dest_cgu(hw),
6550 .opcode = ice_sbq_msg_wr,
6551 .msg_addr_low = addr,
6552 .data = val
6553 };
6554 int err;
6555
6556 err = ice_sbq_rw_reg(hw, &cgu_msg, LIBIE_AQ_FLAG_RD);
6557 if (err)
6558 ice_debug(hw, ICE_DBG_PTP, "Failed to write CGU register 0x%04x, err %d\n",
6559 addr, err);
6560
6561 return err;
6562 }
6563