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