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 xa_init_flags(&hw->sched_node_ids, XA_FLAGS_ALLOC);
1055
1056 /* Query the allocated resources for Tx scheduler */
1057 status = ice_sched_query_res_alloc(hw);
1058 if (status) {
1059 ice_debug(hw, ICE_DBG_SCHED, "Failed to get scheduler allocated resources\n");
1060 goto err_unroll_xarray;
1061 }
1062 ice_sched_get_psm_clk_freq(hw);
1063
1064 /* Initialize port_info struct with scheduler data */
1065 status = ice_sched_init_port(hw->port_info);
1066 if (status)
1067 goto err_unroll_sched;
1068
1069 pcaps = kzalloc_obj(*pcaps);
1070 if (!pcaps) {
1071 status = -ENOMEM;
1072 goto err_unroll_sched;
1073 }
1074
1075 /* Initialize port_info struct with PHY capabilities */
1076 status = ice_aq_get_phy_caps(hw->port_info, false,
1077 ICE_AQC_REPORT_TOPO_CAP_MEDIA, pcaps,
1078 NULL);
1079 if (status)
1080 dev_warn(ice_hw_to_dev(hw), "Get PHY capabilities failed status = %d, continuing anyway\n",
1081 status);
1082
1083 /* Initialize port_info struct with link information */
1084 status = ice_aq_get_link_info(hw->port_info, false, NULL, NULL);
1085 if (status)
1086 goto err_unroll_sched;
1087
1088 /* need a valid SW entry point to build a Tx tree */
1089 if (!hw->sw_entry_point_layer) {
1090 ice_debug(hw, ICE_DBG_SCHED, "invalid sw entry point\n");
1091 status = -EIO;
1092 goto err_unroll_sched;
1093 }
1094 INIT_LIST_HEAD(&hw->agg_list);
1095 /* Initialize max burst size */
1096 if (!hw->max_burst_size)
1097 ice_cfg_rl_burst_size(hw, ICE_SCHED_DFLT_BURST_SIZE);
1098
1099 status = ice_init_fltr_mgmt_struct(hw);
1100 if (status)
1101 goto err_unroll_sched;
1102
1103 /* Get MAC information */
1104 /* A single port can report up to two (LAN and WoL) addresses */
1105 mac_buf = kzalloc_objs(struct ice_aqc_manage_mac_read_resp, 2);
1106 if (!mac_buf) {
1107 status = -ENOMEM;
1108 goto err_unroll_fltr_mgmt_struct;
1109 }
1110
1111 mac_buf_len = 2 * sizeof(struct ice_aqc_manage_mac_read_resp);
1112 status = ice_aq_manage_mac_read(hw, mac_buf, mac_buf_len, NULL);
1113
1114 if (status)
1115 goto err_unroll_fltr_mgmt_struct;
1116 /* enable jumbo frame support at MAC level */
1117 status = ice_aq_set_mac_cfg(hw, ICE_AQ_SET_MAC_FRAME_SIZE_MAX, NULL);
1118 if (status)
1119 goto err_unroll_fltr_mgmt_struct;
1120 /* Obtain counter base index which would be used by flow director */
1121 status = ice_alloc_fd_res_cntr(hw, &hw->fd_ctr_base);
1122 if (status)
1123 goto err_unroll_fltr_mgmt_struct;
1124 status = ice_init_hw_tbls(hw);
1125 if (status)
1126 goto err_unroll_fltr_mgmt_struct;
1127
1128 mutex_init(&hw->tnl_lock);
1129 ice_init_chk_recipe_reuse_support(hw);
1130
1131 /* Some cards require longer initialization times
1132 * due to necessity of loading FW from an external source.
1133 * This can take even half a minute.
1134 */
1135 status = ice_wait_fw_load(hw, 30000);
1136 if (status) {
1137 dev_err(ice_hw_to_dev(hw), "ice_wait_fw_load timed out");
1138 goto err_unroll_fltr_mgmt_struct;
1139 }
1140
1141 hw->lane_num = ice_get_phy_lane_number(hw);
1142
1143 return 0;
1144 err_unroll_fltr_mgmt_struct:
1145 ice_cleanup_fltr_mgmt_struct(hw);
1146 err_unroll_sched:
1147 ice_sched_cleanup_all(hw);
1148 err_unroll_xarray:
1149 xa_destroy(&hw->sched_node_ids);
1150 err_unroll_alloc:
1151 devm_kfree(ice_hw_to_dev(hw), hw->port_info);
1152 err_unroll_cqinit:
1153 ice_destroy_all_ctrlq(hw);
1154 return status;
1155 }
1156
__fwlog_deinit(struct ice_hw * hw)1157 static void __fwlog_deinit(struct ice_hw *hw)
1158 {
1159 /* only support fw log commands on PF 0 */
1160 if (hw->bus.func)
1161 return;
1162
1163 ice_debugfs_pf_deinit(hw->back);
1164 libie_fwlog_deinit(&hw->fwlog);
1165 }
1166
1167 /**
1168 * ice_deinit_hw - unroll initialization operations done by ice_init_hw
1169 * @hw: pointer to the hardware structure
1170 *
1171 * This should be called only during nominal operation, not as a result of
1172 * ice_init_hw() failing since ice_init_hw() will take care of unrolling
1173 * applicable initializations if it fails for any reason.
1174 */
ice_deinit_hw(struct ice_hw * hw)1175 void ice_deinit_hw(struct ice_hw *hw)
1176 {
1177 ice_free_fd_res_cntr(hw, hw->fd_ctr_base);
1178 ice_cleanup_fltr_mgmt_struct(hw);
1179
1180 ice_sched_cleanup_all(hw);
1181 ice_sched_clear_agg(hw);
1182 ice_free_seg(hw);
1183 ice_free_hw_tbls(hw);
1184 mutex_destroy(&hw->tnl_lock);
1185 __fwlog_deinit(hw);
1186 ice_destroy_all_ctrlq(hw);
1187
1188 /* Clear VSI contexts if not already cleared */
1189 ice_clear_all_vsi_ctx(hw);
1190
1191 xa_destroy(&hw->sched_node_ids);
1192 }
1193
1194 /**
1195 * ice_check_reset - Check to see if a global reset is complete
1196 * @hw: pointer to the hardware structure
1197 */
ice_check_reset(struct ice_hw * hw)1198 int ice_check_reset(struct ice_hw *hw)
1199 {
1200 u32 cnt, reg = 0, grst_timeout, uld_mask;
1201
1202 /* Poll for Device Active state in case a recent CORER, GLOBR,
1203 * or EMPR has occurred. The grst delay value is in 100ms units.
1204 * Add 1sec for outstanding AQ commands that can take a long time.
1205 */
1206 grst_timeout = FIELD_GET(GLGEN_RSTCTL_GRSTDEL_M,
1207 rd32(hw, GLGEN_RSTCTL)) + 10;
1208
1209 for (cnt = 0; cnt < grst_timeout; cnt++) {
1210 mdelay(100);
1211 reg = rd32(hw, GLGEN_RSTAT);
1212 if (!(reg & GLGEN_RSTAT_DEVSTATE_M))
1213 break;
1214 }
1215
1216 if (cnt == grst_timeout) {
1217 ice_debug(hw, ICE_DBG_INIT, "Global reset polling failed to complete.\n");
1218 return -EIO;
1219 }
1220
1221 #define ICE_RESET_DONE_MASK (GLNVM_ULD_PCIER_DONE_M |\
1222 GLNVM_ULD_PCIER_DONE_1_M |\
1223 GLNVM_ULD_CORER_DONE_M |\
1224 GLNVM_ULD_GLOBR_DONE_M |\
1225 GLNVM_ULD_POR_DONE_M |\
1226 GLNVM_ULD_POR_DONE_1_M |\
1227 GLNVM_ULD_PCIER_DONE_2_M)
1228
1229 uld_mask = ICE_RESET_DONE_MASK | (hw->func_caps.common_cap.rdma ?
1230 GLNVM_ULD_PE_DONE_M : 0);
1231
1232 /* Device is Active; check Global Reset processes are done */
1233 for (cnt = 0; cnt < ICE_PF_RESET_WAIT_COUNT; cnt++) {
1234 reg = rd32(hw, GLNVM_ULD) & uld_mask;
1235 if (reg == uld_mask) {
1236 ice_debug(hw, ICE_DBG_INIT, "Global reset processes done. %d\n", cnt);
1237 break;
1238 }
1239 mdelay(10);
1240 }
1241
1242 if (cnt == ICE_PF_RESET_WAIT_COUNT) {
1243 ice_debug(hw, ICE_DBG_INIT, "Wait for Reset Done timed out. GLNVM_ULD = 0x%x\n",
1244 reg);
1245 return -EIO;
1246 }
1247
1248 return 0;
1249 }
1250
1251 /**
1252 * ice_pf_reset - Reset the PF
1253 * @hw: pointer to the hardware structure
1254 *
1255 * If a global reset has been triggered, this function checks
1256 * for its completion and then issues the PF reset
1257 */
ice_pf_reset(struct ice_hw * hw)1258 static int ice_pf_reset(struct ice_hw *hw)
1259 {
1260 u32 cnt, reg;
1261
1262 /* If at function entry a global reset was already in progress, i.e.
1263 * state is not 'device active' or any of the reset done bits are not
1264 * set in GLNVM_ULD, there is no need for a PF Reset; poll until the
1265 * global reset is done.
1266 */
1267 if ((rd32(hw, GLGEN_RSTAT) & GLGEN_RSTAT_DEVSTATE_M) ||
1268 (rd32(hw, GLNVM_ULD) & ICE_RESET_DONE_MASK) ^ ICE_RESET_DONE_MASK) {
1269 /* poll on global reset currently in progress until done */
1270 if (ice_check_reset(hw))
1271 return -EIO;
1272
1273 return 0;
1274 }
1275
1276 /* Reset the PF */
1277 reg = rd32(hw, PFGEN_CTRL);
1278
1279 wr32(hw, PFGEN_CTRL, (reg | PFGEN_CTRL_PFSWR_M));
1280
1281 /* Wait for the PFR to complete. The wait time is the global config lock
1282 * timeout plus the PFR timeout which will account for a possible reset
1283 * that is occurring during a download package operation.
1284 */
1285 for (cnt = 0; cnt < ICE_GLOBAL_CFG_LOCK_TIMEOUT +
1286 ICE_PF_RESET_WAIT_COUNT; cnt++) {
1287 reg = rd32(hw, PFGEN_CTRL);
1288 if (!(reg & PFGEN_CTRL_PFSWR_M))
1289 break;
1290
1291 mdelay(1);
1292 }
1293
1294 if (cnt == ICE_PF_RESET_WAIT_COUNT) {
1295 ice_debug(hw, ICE_DBG_INIT, "PF reset polling failed to complete.\n");
1296 return -EIO;
1297 }
1298
1299 return 0;
1300 }
1301
1302 /**
1303 * ice_reset - Perform different types of reset
1304 * @hw: pointer to the hardware structure
1305 * @req: reset request
1306 *
1307 * This function triggers a reset as specified by the req parameter.
1308 *
1309 * Note:
1310 * If anything other than a PF reset is triggered, PXE mode is restored.
1311 * This has to be cleared using ice_clear_pxe_mode again, once the AQ
1312 * interface has been restored in the rebuild flow.
1313 */
ice_reset(struct ice_hw * hw,enum ice_reset_req req)1314 int ice_reset(struct ice_hw *hw, enum ice_reset_req req)
1315 {
1316 u32 val = 0;
1317
1318 switch (req) {
1319 case ICE_RESET_PFR:
1320 return ice_pf_reset(hw);
1321 case ICE_RESET_CORER:
1322 ice_debug(hw, ICE_DBG_INIT, "CoreR requested\n");
1323 val = GLGEN_RTRIG_CORER_M;
1324 break;
1325 case ICE_RESET_GLOBR:
1326 ice_debug(hw, ICE_DBG_INIT, "GlobalR requested\n");
1327 val = GLGEN_RTRIG_GLOBR_M;
1328 break;
1329 default:
1330 return -EINVAL;
1331 }
1332
1333 val |= rd32(hw, GLGEN_RTRIG);
1334 wr32(hw, GLGEN_RTRIG, val);
1335 ice_flush(hw);
1336
1337 /* wait for the FW to be ready */
1338 return ice_check_reset(hw);
1339 }
1340
1341 /**
1342 * ice_copy_rxq_ctx_to_hw - Copy packed Rx queue context to HW registers
1343 * @hw: pointer to the hardware structure
1344 * @rxq_ctx: pointer to the packed Rx queue context
1345 * @rxq_index: the index of the Rx queue
1346 */
ice_copy_rxq_ctx_to_hw(struct ice_hw * hw,const ice_rxq_ctx_buf_t * rxq_ctx,u32 rxq_index)1347 static void ice_copy_rxq_ctx_to_hw(struct ice_hw *hw,
1348 const ice_rxq_ctx_buf_t *rxq_ctx,
1349 u32 rxq_index)
1350 {
1351 /* Copy each dword separately to HW */
1352 for (int i = 0; i < ICE_RXQ_CTX_SIZE_DWORDS; i++) {
1353 u32 ctx = ((const u32 *)rxq_ctx)[i];
1354
1355 wr32(hw, QRX_CONTEXT(i, rxq_index), ctx);
1356
1357 ice_debug(hw, ICE_DBG_QCTX, "qrxdata[%d]: %08X\n", i, ctx);
1358 }
1359 }
1360
1361 /**
1362 * ice_copy_rxq_ctx_from_hw - Copy packed Rx Queue context from HW registers
1363 * @hw: pointer to the hardware structure
1364 * @rxq_ctx: pointer to the packed Rx queue context
1365 * @rxq_index: the index of the Rx queue
1366 */
ice_copy_rxq_ctx_from_hw(struct ice_hw * hw,ice_rxq_ctx_buf_t * rxq_ctx,u32 rxq_index)1367 static void ice_copy_rxq_ctx_from_hw(struct ice_hw *hw,
1368 ice_rxq_ctx_buf_t *rxq_ctx,
1369 u32 rxq_index)
1370 {
1371 u32 *ctx = (u32 *)rxq_ctx;
1372
1373 /* Copy each dword separately from HW */
1374 for (int i = 0; i < ICE_RXQ_CTX_SIZE_DWORDS; i++, ctx++) {
1375 *ctx = rd32(hw, QRX_CONTEXT(i, rxq_index));
1376
1377 ice_debug(hw, ICE_DBG_QCTX, "qrxdata[%d]: %08X\n", i, *ctx);
1378 }
1379 }
1380
1381 #define ICE_CTX_STORE(struct_name, struct_field, width, lsb) \
1382 PACKED_FIELD((lsb) + (width) - 1, (lsb), struct struct_name, struct_field)
1383
1384 /* LAN Rx Queue Context */
1385 static const struct packed_field_u8 ice_rlan_ctx_fields[] = {
1386 /* Field Width LSB */
1387 ICE_CTX_STORE(ice_rlan_ctx, head, 13, 0),
1388 ICE_CTX_STORE(ice_rlan_ctx, cpuid, 8, 13),
1389 ICE_CTX_STORE(ice_rlan_ctx, base, 57, 32),
1390 ICE_CTX_STORE(ice_rlan_ctx, qlen, 13, 89),
1391 ICE_CTX_STORE(ice_rlan_ctx, dbuf, 7, 102),
1392 ICE_CTX_STORE(ice_rlan_ctx, hbuf, 5, 109),
1393 ICE_CTX_STORE(ice_rlan_ctx, dtype, 2, 114),
1394 ICE_CTX_STORE(ice_rlan_ctx, dsize, 1, 116),
1395 ICE_CTX_STORE(ice_rlan_ctx, crcstrip, 1, 117),
1396 ICE_CTX_STORE(ice_rlan_ctx, l2tsel, 1, 119),
1397 ICE_CTX_STORE(ice_rlan_ctx, hsplit_0, 4, 120),
1398 ICE_CTX_STORE(ice_rlan_ctx, hsplit_1, 2, 124),
1399 ICE_CTX_STORE(ice_rlan_ctx, showiv, 1, 127),
1400 ICE_CTX_STORE(ice_rlan_ctx, rxmax, 14, 174),
1401 ICE_CTX_STORE(ice_rlan_ctx, tphrdesc_ena, 1, 193),
1402 ICE_CTX_STORE(ice_rlan_ctx, tphwdesc_ena, 1, 194),
1403 ICE_CTX_STORE(ice_rlan_ctx, tphdata_ena, 1, 195),
1404 ICE_CTX_STORE(ice_rlan_ctx, tphhead_ena, 1, 196),
1405 ICE_CTX_STORE(ice_rlan_ctx, lrxqthresh, 3, 198),
1406 ICE_CTX_STORE(ice_rlan_ctx, prefena, 1, 201),
1407 };
1408
1409 /**
1410 * ice_pack_rxq_ctx - Pack Rx queue context into a HW buffer
1411 * @ctx: the Rx queue context to pack
1412 * @buf: the HW buffer to pack into
1413 *
1414 * Pack the Rx queue context from the CPU-friendly unpacked buffer into its
1415 * bit-packed HW layout.
1416 */
ice_pack_rxq_ctx(const struct ice_rlan_ctx * ctx,ice_rxq_ctx_buf_t * buf)1417 static void ice_pack_rxq_ctx(const struct ice_rlan_ctx *ctx,
1418 ice_rxq_ctx_buf_t *buf)
1419 {
1420 pack_fields(buf, sizeof(*buf), ctx, ice_rlan_ctx_fields,
1421 QUIRK_LITTLE_ENDIAN | QUIRK_LSW32_IS_FIRST);
1422 }
1423
1424 /**
1425 * ice_unpack_rxq_ctx - Unpack Rx queue context from a HW buffer
1426 * @buf: the HW buffer to unpack from
1427 * @ctx: the Rx queue context to unpack
1428 *
1429 * Unpack the Rx queue context from the HW buffer into the CPU-friendly
1430 * structure.
1431 */
ice_unpack_rxq_ctx(const ice_rxq_ctx_buf_t * buf,struct ice_rlan_ctx * ctx)1432 static void ice_unpack_rxq_ctx(const ice_rxq_ctx_buf_t *buf,
1433 struct ice_rlan_ctx *ctx)
1434 {
1435 unpack_fields(buf, sizeof(*buf), ctx, ice_rlan_ctx_fields,
1436 QUIRK_LITTLE_ENDIAN | QUIRK_LSW32_IS_FIRST);
1437 }
1438
1439 /**
1440 * ice_write_rxq_ctx - Write Rx Queue context to hardware
1441 * @hw: pointer to the hardware structure
1442 * @rlan_ctx: pointer to the unpacked Rx queue context
1443 * @rxq_index: the index of the Rx queue
1444 *
1445 * Pack the sparse Rx Queue context into dense hardware format and write it
1446 * into the HW register space.
1447 *
1448 * Return: 0 on success, or -EINVAL if the Rx queue index is invalid.
1449 */
ice_write_rxq_ctx(struct ice_hw * hw,struct ice_rlan_ctx * rlan_ctx,u32 rxq_index)1450 int ice_write_rxq_ctx(struct ice_hw *hw, struct ice_rlan_ctx *rlan_ctx,
1451 u32 rxq_index)
1452 {
1453 ice_rxq_ctx_buf_t buf = {};
1454
1455 if (rxq_index > QRX_CTRL_MAX_INDEX)
1456 return -EINVAL;
1457
1458 ice_pack_rxq_ctx(rlan_ctx, &buf);
1459 ice_copy_rxq_ctx_to_hw(hw, &buf, rxq_index);
1460
1461 return 0;
1462 }
1463
1464 /**
1465 * ice_read_rxq_ctx - Read Rx queue context from HW
1466 * @hw: pointer to the hardware structure
1467 * @rlan_ctx: pointer to the Rx queue context
1468 * @rxq_index: the index of the Rx queue
1469 *
1470 * Read the Rx queue context from the hardware registers, and unpack it into
1471 * the sparse Rx queue context structure.
1472 *
1473 * Returns: 0 on success, or -EINVAL if the Rx queue index is invalid.
1474 */
ice_read_rxq_ctx(struct ice_hw * hw,struct ice_rlan_ctx * rlan_ctx,u32 rxq_index)1475 int ice_read_rxq_ctx(struct ice_hw *hw, struct ice_rlan_ctx *rlan_ctx,
1476 u32 rxq_index)
1477 {
1478 ice_rxq_ctx_buf_t buf = {};
1479
1480 if (rxq_index > QRX_CTRL_MAX_INDEX)
1481 return -EINVAL;
1482
1483 ice_copy_rxq_ctx_from_hw(hw, &buf, rxq_index);
1484 ice_unpack_rxq_ctx(&buf, rlan_ctx);
1485
1486 return 0;
1487 }
1488
1489 /* LAN Tx Queue Context */
1490 static const struct packed_field_u8 ice_tlan_ctx_fields[] = {
1491 /* Field Width LSB */
1492 ICE_CTX_STORE(ice_tlan_ctx, base, 57, 0),
1493 ICE_CTX_STORE(ice_tlan_ctx, port_num, 3, 57),
1494 ICE_CTX_STORE(ice_tlan_ctx, cgd_num, 5, 60),
1495 ICE_CTX_STORE(ice_tlan_ctx, pf_num, 3, 65),
1496 ICE_CTX_STORE(ice_tlan_ctx, vmvf_num, 10, 68),
1497 ICE_CTX_STORE(ice_tlan_ctx, vmvf_type, 2, 78),
1498 ICE_CTX_STORE(ice_tlan_ctx, src_vsi, 10, 80),
1499 ICE_CTX_STORE(ice_tlan_ctx, tsyn_ena, 1, 90),
1500 ICE_CTX_STORE(ice_tlan_ctx, internal_usage_flag, 1, 91),
1501 ICE_CTX_STORE(ice_tlan_ctx, alt_vlan, 1, 92),
1502 ICE_CTX_STORE(ice_tlan_ctx, cpuid, 8, 93),
1503 ICE_CTX_STORE(ice_tlan_ctx, wb_mode, 1, 101),
1504 ICE_CTX_STORE(ice_tlan_ctx, tphrd_desc, 1, 102),
1505 ICE_CTX_STORE(ice_tlan_ctx, tphrd, 1, 103),
1506 ICE_CTX_STORE(ice_tlan_ctx, tphwr_desc, 1, 104),
1507 ICE_CTX_STORE(ice_tlan_ctx, cmpq_id, 9, 105),
1508 ICE_CTX_STORE(ice_tlan_ctx, qnum_in_func, 14, 114),
1509 ICE_CTX_STORE(ice_tlan_ctx, itr_notification_mode, 1, 128),
1510 ICE_CTX_STORE(ice_tlan_ctx, adjust_prof_id, 6, 129),
1511 ICE_CTX_STORE(ice_tlan_ctx, qlen, 13, 135),
1512 ICE_CTX_STORE(ice_tlan_ctx, quanta_prof_idx, 4, 148),
1513 ICE_CTX_STORE(ice_tlan_ctx, tso_ena, 1, 152),
1514 ICE_CTX_STORE(ice_tlan_ctx, tso_qnum, 11, 153),
1515 ICE_CTX_STORE(ice_tlan_ctx, legacy_int, 1, 164),
1516 ICE_CTX_STORE(ice_tlan_ctx, drop_ena, 1, 165),
1517 ICE_CTX_STORE(ice_tlan_ctx, cache_prof_idx, 2, 166),
1518 ICE_CTX_STORE(ice_tlan_ctx, pkt_shaper_prof_idx, 3, 168),
1519 };
1520
1521 /**
1522 * ice_pack_txq_ctx - Pack Tx queue context into Admin Queue buffer
1523 * @ctx: the Tx queue context to pack
1524 * @buf: the Admin Queue HW buffer to pack into
1525 *
1526 * Pack the Tx queue context from the CPU-friendly unpacked buffer into its
1527 * bit-packed Admin Queue layout.
1528 */
ice_pack_txq_ctx(const struct ice_tlan_ctx * ctx,ice_txq_ctx_buf_t * buf)1529 void ice_pack_txq_ctx(const struct ice_tlan_ctx *ctx, ice_txq_ctx_buf_t *buf)
1530 {
1531 pack_fields(buf, sizeof(*buf), ctx, ice_tlan_ctx_fields,
1532 QUIRK_LITTLE_ENDIAN | QUIRK_LSW32_IS_FIRST);
1533 }
1534
1535 /**
1536 * ice_pack_txq_ctx_full - Pack Tx queue context into a HW buffer
1537 * @ctx: the Tx queue context to pack
1538 * @buf: the HW buffer to pack into
1539 *
1540 * Pack the Tx queue context from the CPU-friendly unpacked buffer into its
1541 * bit-packed HW layout, including the internal data portion.
1542 */
ice_pack_txq_ctx_full(const struct ice_tlan_ctx * ctx,ice_txq_ctx_buf_full_t * buf)1543 static void ice_pack_txq_ctx_full(const struct ice_tlan_ctx *ctx,
1544 ice_txq_ctx_buf_full_t *buf)
1545 {
1546 pack_fields(buf, sizeof(*buf), ctx, ice_tlan_ctx_fields,
1547 QUIRK_LITTLE_ENDIAN | QUIRK_LSW32_IS_FIRST);
1548 }
1549
1550 /**
1551 * ice_unpack_txq_ctx_full - Unpack Tx queue context from a HW buffer
1552 * @buf: the HW buffer to unpack from
1553 * @ctx: the Tx queue context to unpack
1554 *
1555 * Unpack the Tx queue context from the HW buffer (including the full internal
1556 * state) into the CPU-friendly structure.
1557 */
ice_unpack_txq_ctx_full(const ice_txq_ctx_buf_full_t * buf,struct ice_tlan_ctx * ctx)1558 static void ice_unpack_txq_ctx_full(const ice_txq_ctx_buf_full_t *buf,
1559 struct ice_tlan_ctx *ctx)
1560 {
1561 unpack_fields(buf, sizeof(*buf), ctx, ice_tlan_ctx_fields,
1562 QUIRK_LITTLE_ENDIAN | QUIRK_LSW32_IS_FIRST);
1563 }
1564
1565 /**
1566 * ice_copy_txq_ctx_from_hw - Copy Tx Queue context from HW registers
1567 * @hw: pointer to the hardware structure
1568 * @txq_ctx: pointer to the packed Tx queue context, including internal state
1569 * @txq_index: the index of the Tx queue
1570 *
1571 * Copy Tx Queue context from HW register space to dense structure
1572 */
ice_copy_txq_ctx_from_hw(struct ice_hw * hw,ice_txq_ctx_buf_full_t * txq_ctx,u32 txq_index)1573 static void ice_copy_txq_ctx_from_hw(struct ice_hw *hw,
1574 ice_txq_ctx_buf_full_t *txq_ctx,
1575 u32 txq_index)
1576 {
1577 struct ice_pf *pf = container_of(hw, struct ice_pf, hw);
1578 u32 *ctx = (u32 *)txq_ctx;
1579 u32 txq_base, reg;
1580
1581 /* Get Tx queue base within card space */
1582 txq_base = rd32(hw, PFLAN_TX_QALLOC(hw->pf_id));
1583 txq_base = FIELD_GET(PFLAN_TX_QALLOC_FIRSTQ_M, txq_base);
1584
1585 reg = FIELD_PREP(GLCOMM_QTX_CNTX_CTL_CMD_M,
1586 GLCOMM_QTX_CNTX_CTL_CMD_READ) |
1587 FIELD_PREP(GLCOMM_QTX_CNTX_CTL_QUEUE_ID_M,
1588 txq_base + txq_index) |
1589 GLCOMM_QTX_CNTX_CTL_CMD_EXEC_M;
1590
1591 /* Prevent other PFs on the same adapter from accessing the Tx queue
1592 * context interface concurrently.
1593 */
1594 spin_lock(&pf->adapter->txq_ctx_lock);
1595
1596 wr32(hw, GLCOMM_QTX_CNTX_CTL, reg);
1597 ice_flush(hw);
1598
1599 /* Copy each dword separately from HW */
1600 for (int i = 0; i < ICE_TXQ_CTX_FULL_SIZE_DWORDS; i++, ctx++) {
1601 *ctx = rd32(hw, GLCOMM_QTX_CNTX_DATA(i));
1602
1603 ice_debug(hw, ICE_DBG_QCTX, "qtxdata[%d]: %08X\n", i, *ctx);
1604 }
1605
1606 spin_unlock(&pf->adapter->txq_ctx_lock);
1607 }
1608
1609 /**
1610 * ice_copy_txq_ctx_to_hw - Copy Tx Queue context into HW registers
1611 * @hw: pointer to the hardware structure
1612 * @txq_ctx: pointer to the packed Tx queue context, including internal state
1613 * @txq_index: the index of the Tx queue
1614 */
ice_copy_txq_ctx_to_hw(struct ice_hw * hw,const ice_txq_ctx_buf_full_t * txq_ctx,u32 txq_index)1615 static void ice_copy_txq_ctx_to_hw(struct ice_hw *hw,
1616 const ice_txq_ctx_buf_full_t *txq_ctx,
1617 u32 txq_index)
1618 {
1619 struct ice_pf *pf = container_of(hw, struct ice_pf, hw);
1620 u32 txq_base, reg;
1621
1622 /* Get Tx queue base within card space */
1623 txq_base = rd32(hw, PFLAN_TX_QALLOC(hw->pf_id));
1624 txq_base = FIELD_GET(PFLAN_TX_QALLOC_FIRSTQ_M, txq_base);
1625
1626 reg = FIELD_PREP(GLCOMM_QTX_CNTX_CTL_CMD_M,
1627 GLCOMM_QTX_CNTX_CTL_CMD_WRITE_NO_DYN) |
1628 FIELD_PREP(GLCOMM_QTX_CNTX_CTL_QUEUE_ID_M,
1629 txq_base + txq_index) |
1630 GLCOMM_QTX_CNTX_CTL_CMD_EXEC_M;
1631
1632 /* Prevent other PFs on the same adapter from accessing the Tx queue
1633 * context interface concurrently.
1634 */
1635 spin_lock(&pf->adapter->txq_ctx_lock);
1636
1637 /* Copy each dword separately to HW */
1638 for (int i = 0; i < ICE_TXQ_CTX_FULL_SIZE_DWORDS; i++) {
1639 u32 ctx = ((const u32 *)txq_ctx)[i];
1640
1641 wr32(hw, GLCOMM_QTX_CNTX_DATA(i), ctx);
1642
1643 ice_debug(hw, ICE_DBG_QCTX, "qtxdata[%d]: %08X\n", i, ctx);
1644 }
1645
1646 wr32(hw, GLCOMM_QTX_CNTX_CTL, reg);
1647 ice_flush(hw);
1648
1649 spin_unlock(&pf->adapter->txq_ctx_lock);
1650 }
1651
1652 /**
1653 * ice_read_txq_ctx - Read Tx queue context from HW
1654 * @hw: pointer to the hardware structure
1655 * @tlan_ctx: pointer to the Tx queue context
1656 * @txq_index: the index of the Tx queue
1657 *
1658 * Read the Tx queue context from the HW registers, then unpack it into the
1659 * ice_tlan_ctx structure for use.
1660 *
1661 * Returns: 0 on success, or -EINVAL on an invalid Tx queue index.
1662 */
ice_read_txq_ctx(struct ice_hw * hw,struct ice_tlan_ctx * tlan_ctx,u32 txq_index)1663 int ice_read_txq_ctx(struct ice_hw *hw, struct ice_tlan_ctx *tlan_ctx,
1664 u32 txq_index)
1665 {
1666 ice_txq_ctx_buf_full_t buf = {};
1667
1668 if (txq_index > QTX_COMM_HEAD_MAX_INDEX)
1669 return -EINVAL;
1670
1671 ice_copy_txq_ctx_from_hw(hw, &buf, txq_index);
1672 ice_unpack_txq_ctx_full(&buf, tlan_ctx);
1673
1674 return 0;
1675 }
1676
1677 /**
1678 * ice_write_txq_ctx - Write Tx queue context to HW
1679 * @hw: pointer to the hardware structure
1680 * @tlan_ctx: pointer to the Tx queue context
1681 * @txq_index: the index of the Tx queue
1682 *
1683 * Pack the Tx queue context into the dense HW layout, then write it into the
1684 * HW registers.
1685 *
1686 * Returns: 0 on success, or -EINVAL on an invalid Tx queue index.
1687 */
ice_write_txq_ctx(struct ice_hw * hw,struct ice_tlan_ctx * tlan_ctx,u32 txq_index)1688 int ice_write_txq_ctx(struct ice_hw *hw, struct ice_tlan_ctx *tlan_ctx,
1689 u32 txq_index)
1690 {
1691 ice_txq_ctx_buf_full_t buf = {};
1692
1693 if (txq_index > QTX_COMM_HEAD_MAX_INDEX)
1694 return -EINVAL;
1695
1696 ice_pack_txq_ctx_full(tlan_ctx, &buf);
1697 ice_copy_txq_ctx_to_hw(hw, &buf, txq_index);
1698
1699 return 0;
1700 }
1701
1702 /* Tx time Queue Context */
1703 static const struct packed_field_u8 ice_txtime_ctx_fields[] = {
1704 /* Field Width LSB */
1705 ICE_CTX_STORE(ice_txtime_ctx, base, 57, 0),
1706 ICE_CTX_STORE(ice_txtime_ctx, pf_num, 3, 57),
1707 ICE_CTX_STORE(ice_txtime_ctx, vmvf_num, 10, 60),
1708 ICE_CTX_STORE(ice_txtime_ctx, vmvf_type, 2, 70),
1709 ICE_CTX_STORE(ice_txtime_ctx, src_vsi, 10, 72),
1710 ICE_CTX_STORE(ice_txtime_ctx, cpuid, 8, 82),
1711 ICE_CTX_STORE(ice_txtime_ctx, tphrd_desc, 1, 90),
1712 ICE_CTX_STORE(ice_txtime_ctx, qlen, 13, 91),
1713 ICE_CTX_STORE(ice_txtime_ctx, timer_num, 1, 104),
1714 ICE_CTX_STORE(ice_txtime_ctx, txtime_ena_q, 1, 105),
1715 ICE_CTX_STORE(ice_txtime_ctx, drbell_mode_32, 1, 106),
1716 ICE_CTX_STORE(ice_txtime_ctx, ts_res, 4, 107),
1717 ICE_CTX_STORE(ice_txtime_ctx, ts_round_type, 2, 111),
1718 ICE_CTX_STORE(ice_txtime_ctx, ts_pacing_slot, 3, 113),
1719 ICE_CTX_STORE(ice_txtime_ctx, merging_ena, 1, 116),
1720 ICE_CTX_STORE(ice_txtime_ctx, ts_fetch_prof_id, 4, 117),
1721 ICE_CTX_STORE(ice_txtime_ctx, ts_fetch_cache_line_aln_thld, 4, 121),
1722 ICE_CTX_STORE(ice_txtime_ctx, tx_pipe_delay_mode, 1, 125),
1723 };
1724
1725 /**
1726 * ice_pack_txtime_ctx - pack Tx time queue context into a HW buffer
1727 * @ctx: the Tx time queue context to pack
1728 * @buf: the HW buffer to pack into
1729 *
1730 * Pack the Tx time queue context from the CPU-friendly unpacked buffer into
1731 * its bit-packed HW layout.
1732 */
ice_pack_txtime_ctx(const struct ice_txtime_ctx * ctx,ice_txtime_ctx_buf_t * buf)1733 void ice_pack_txtime_ctx(const struct ice_txtime_ctx *ctx,
1734 ice_txtime_ctx_buf_t *buf)
1735 {
1736 pack_fields(buf, sizeof(*buf), ctx, ice_txtime_ctx_fields,
1737 QUIRK_LITTLE_ENDIAN | QUIRK_LSW32_IS_FIRST);
1738 }
1739
1740 /* Sideband Queue command wrappers */
1741
1742 /**
1743 * ice_sbq_send_cmd - send Sideband Queue command to Sideband Queue
1744 * @hw: pointer to the HW struct
1745 * @desc: descriptor describing the command
1746 * @buf: buffer to use for indirect commands (NULL for direct commands)
1747 * @buf_size: size of buffer for indirect commands (0 for direct commands)
1748 * @cd: pointer to command details structure
1749 */
1750 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)1751 ice_sbq_send_cmd(struct ice_hw *hw, struct ice_sbq_cmd_desc *desc,
1752 void *buf, u16 buf_size, struct ice_sq_cd *cd)
1753 {
1754 return ice_sq_send_cmd(hw, ice_get_sbq(hw),
1755 (struct libie_aq_desc *)desc, buf, buf_size, cd);
1756 }
1757
1758 /**
1759 * ice_sbq_rw_reg - Fill Sideband Queue command
1760 * @hw: pointer to the HW struct
1761 * @in: message info to be filled in descriptor
1762 * @flags: control queue descriptor flags
1763 */
ice_sbq_rw_reg(struct ice_hw * hw,struct ice_sbq_msg_input * in,u16 flags)1764 int ice_sbq_rw_reg(struct ice_hw *hw, struct ice_sbq_msg_input *in, u16 flags)
1765 {
1766 struct ice_sbq_cmd_desc desc = {0};
1767 struct ice_sbq_msg_req msg = {0};
1768 u16 msg_len;
1769 int status;
1770
1771 msg_len = sizeof(msg);
1772
1773 msg.dest_dev = in->dest_dev;
1774 msg.opcode = in->opcode;
1775 msg.flags = ICE_SBQ_MSG_FLAGS;
1776 msg.sbe_fbe = ICE_SBQ_MSG_SBE_FBE;
1777 msg.msg_addr_low = cpu_to_le16(in->msg_addr_low);
1778 msg.msg_addr_high = cpu_to_le32(in->msg_addr_high);
1779
1780 if (in->opcode)
1781 msg.data = cpu_to_le32(in->data);
1782 else
1783 /* data read comes back in completion, so shorten the struct by
1784 * sizeof(msg.data)
1785 */
1786 msg_len -= sizeof(msg.data);
1787
1788 desc.flags = cpu_to_le16(flags);
1789 desc.opcode = cpu_to_le16(ice_sbq_opc_neigh_dev_req);
1790 desc.param0.cmd_len = cpu_to_le16(msg_len);
1791 status = ice_sbq_send_cmd(hw, &desc, &msg, msg_len, NULL);
1792 if (!status && !in->opcode)
1793 in->data = le32_to_cpu
1794 (((struct ice_sbq_msg_cmpl *)&msg)->data);
1795 return status;
1796 }
1797
1798 /* FW Admin Queue command wrappers */
1799
1800 /* Software lock/mutex that is meant to be held while the Global Config Lock
1801 * in firmware is acquired by the software to prevent most (but not all) types
1802 * of AQ commands from being sent to FW
1803 */
1804 DEFINE_MUTEX(ice_global_cfg_lock_sw);
1805
1806 /**
1807 * ice_should_retry_sq_send_cmd
1808 * @opcode: AQ opcode
1809 *
1810 * Decide if we should retry the send command routine for the ATQ, depending
1811 * on the opcode.
1812 */
ice_should_retry_sq_send_cmd(u16 opcode)1813 static bool ice_should_retry_sq_send_cmd(u16 opcode)
1814 {
1815 switch (opcode) {
1816 case ice_aqc_opc_get_link_topo:
1817 case ice_aqc_opc_lldp_stop:
1818 case ice_aqc_opc_lldp_start:
1819 case ice_aqc_opc_lldp_filter_ctrl:
1820 case ice_aqc_opc_sff_eeprom:
1821 return true;
1822 }
1823
1824 return false;
1825 }
1826
1827 /**
1828 * ice_sq_send_cmd_retry - send command to Control Queue (ATQ)
1829 * @hw: pointer to the HW struct
1830 * @cq: pointer to the specific Control queue
1831 * @desc: prefilled descriptor describing the command
1832 * @buf: buffer to use for indirect commands (or NULL for direct commands)
1833 * @buf_size: size of buffer for indirect commands (or 0 for direct commands)
1834 * @cd: pointer to command details structure
1835 *
1836 * Retry sending the FW Admin Queue command, multiple times, to the FW Admin
1837 * Queue if the EBUSY AQ error is returned.
1838 */
1839 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)1840 ice_sq_send_cmd_retry(struct ice_hw *hw, struct ice_ctl_q_info *cq,
1841 struct libie_aq_desc *desc, void *buf, u16 buf_size,
1842 struct ice_sq_cd *cd)
1843 {
1844 struct libie_aq_desc desc_cpy;
1845 bool is_cmd_for_retry;
1846 u8 *buf_cpy = NULL;
1847 u8 idx = 0;
1848 u16 opcode;
1849 int status;
1850
1851 opcode = le16_to_cpu(desc->opcode);
1852 is_cmd_for_retry = ice_should_retry_sq_send_cmd(opcode);
1853 memset(&desc_cpy, 0, sizeof(desc_cpy));
1854
1855 if (is_cmd_for_retry) {
1856 if (buf) {
1857 buf_cpy = kmemdup(buf, buf_size, GFP_KERNEL);
1858 if (!buf_cpy)
1859 return -ENOMEM;
1860 }
1861
1862 memcpy(&desc_cpy, desc, sizeof(desc_cpy));
1863 }
1864
1865 do {
1866 status = ice_sq_send_cmd(hw, cq, desc, buf, buf_size, cd);
1867
1868 if (!is_cmd_for_retry || !status ||
1869 hw->adminq.sq_last_status != LIBIE_AQ_RC_EBUSY)
1870 break;
1871
1872 if (buf_cpy)
1873 memcpy(buf, buf_cpy, buf_size);
1874 memcpy(desc, &desc_cpy, sizeof(desc_cpy));
1875 msleep(ICE_SQ_SEND_DELAY_TIME_MS);
1876
1877 } while (++idx < ICE_SQ_SEND_MAX_EXECUTE);
1878
1879 kfree(buf_cpy);
1880 return status;
1881 }
1882
1883 /**
1884 * ice_aq_send_cmd - send FW Admin Queue command to FW Admin Queue
1885 * @hw: pointer to the HW struct
1886 * @desc: descriptor describing the command
1887 * @buf: buffer to use for indirect commands (NULL for direct commands)
1888 * @buf_size: size of buffer for indirect commands (0 for direct commands)
1889 * @cd: pointer to command details structure
1890 *
1891 * Helper function to send FW Admin Queue commands to the FW Admin Queue.
1892 */
1893 int
ice_aq_send_cmd(struct ice_hw * hw,struct libie_aq_desc * desc,void * buf,u16 buf_size,struct ice_sq_cd * cd)1894 ice_aq_send_cmd(struct ice_hw *hw, struct libie_aq_desc *desc, void *buf,
1895 u16 buf_size, struct ice_sq_cd *cd)
1896 {
1897 struct libie_aqc_req_res *cmd = libie_aq_raw(desc);
1898 bool lock_acquired = false;
1899 int status;
1900
1901 /* When a package download is in process (i.e. when the firmware's
1902 * Global Configuration Lock resource is held), only the Download
1903 * Package, Get Version, Get Package Info List, Upload Section,
1904 * Update Package, Set Port Parameters, Get/Set VLAN Mode Parameters,
1905 * Add Recipe, Set Recipes to Profile Association, Get Recipe, and Get
1906 * Recipes to Profile Association, and Release Resource (with resource
1907 * ID set to Global Config Lock) AdminQ commands are allowed; all others
1908 * must block until the package download completes and the Global Config
1909 * Lock is released. See also ice_acquire_global_cfg_lock().
1910 */
1911 switch (le16_to_cpu(desc->opcode)) {
1912 case ice_aqc_opc_download_pkg:
1913 case ice_aqc_opc_get_pkg_info_list:
1914 case ice_aqc_opc_get_ver:
1915 case ice_aqc_opc_upload_section:
1916 case ice_aqc_opc_update_pkg:
1917 case ice_aqc_opc_set_port_params:
1918 case ice_aqc_opc_get_vlan_mode_parameters:
1919 case ice_aqc_opc_set_vlan_mode_parameters:
1920 case ice_aqc_opc_set_tx_topo:
1921 case ice_aqc_opc_get_tx_topo:
1922 case ice_aqc_opc_add_recipe:
1923 case ice_aqc_opc_recipe_to_profile:
1924 case ice_aqc_opc_get_recipe:
1925 case ice_aqc_opc_get_recipe_to_profile:
1926 break;
1927 case ice_aqc_opc_release_res:
1928 if (le16_to_cpu(cmd->res_id) == LIBIE_AQC_RES_ID_GLBL_LOCK)
1929 break;
1930 fallthrough;
1931 default:
1932 mutex_lock(&ice_global_cfg_lock_sw);
1933 lock_acquired = true;
1934 break;
1935 }
1936
1937 status = ice_sq_send_cmd_retry(hw, &hw->adminq, desc, buf, buf_size, cd);
1938 if (lock_acquired)
1939 mutex_unlock(&ice_global_cfg_lock_sw);
1940
1941 return status;
1942 }
1943
1944 /**
1945 * ice_aq_get_fw_ver
1946 * @hw: pointer to the HW struct
1947 * @cd: pointer to command details structure or NULL
1948 *
1949 * Get the firmware version (0x0001) from the admin queue commands
1950 */
ice_aq_get_fw_ver(struct ice_hw * hw,struct ice_sq_cd * cd)1951 int ice_aq_get_fw_ver(struct ice_hw *hw, struct ice_sq_cd *cd)
1952 {
1953 struct libie_aqc_get_ver *resp;
1954 struct libie_aq_desc desc;
1955 int status;
1956
1957 resp = &desc.params.get_ver;
1958
1959 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_ver);
1960
1961 status = ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
1962
1963 if (!status) {
1964 hw->fw_branch = resp->fw_branch;
1965 hw->fw_maj_ver = resp->fw_major;
1966 hw->fw_min_ver = resp->fw_minor;
1967 hw->fw_patch = resp->fw_patch;
1968 hw->fw_build = le32_to_cpu(resp->fw_build);
1969 hw->api_branch = resp->api_branch;
1970 hw->api_maj_ver = resp->api_major;
1971 hw->api_min_ver = resp->api_minor;
1972 hw->api_patch = resp->api_patch;
1973 }
1974
1975 return status;
1976 }
1977
1978 /**
1979 * ice_aq_send_driver_ver
1980 * @hw: pointer to the HW struct
1981 * @dv: driver's major, minor version
1982 * @cd: pointer to command details structure or NULL
1983 *
1984 * Send the driver version (0x0002) to the firmware
1985 */
1986 int
ice_aq_send_driver_ver(struct ice_hw * hw,struct ice_driver_ver * dv,struct ice_sq_cd * cd)1987 ice_aq_send_driver_ver(struct ice_hw *hw, struct ice_driver_ver *dv,
1988 struct ice_sq_cd *cd)
1989 {
1990 struct libie_aqc_driver_ver *cmd;
1991 struct libie_aq_desc desc;
1992 u16 len;
1993
1994 cmd = &desc.params.driver_ver;
1995
1996 if (!dv)
1997 return -EINVAL;
1998
1999 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_driver_ver);
2000
2001 desc.flags |= cpu_to_le16(LIBIE_AQ_FLAG_RD);
2002 cmd->major_ver = dv->major_ver;
2003 cmd->minor_ver = dv->minor_ver;
2004 cmd->build_ver = dv->build_ver;
2005 cmd->subbuild_ver = dv->subbuild_ver;
2006
2007 len = 0;
2008 while (len < sizeof(dv->driver_string) &&
2009 isascii(dv->driver_string[len]) && dv->driver_string[len])
2010 len++;
2011
2012 return ice_aq_send_cmd(hw, &desc, dv->driver_string, len, cd);
2013 }
2014
2015 /**
2016 * ice_aq_q_shutdown
2017 * @hw: pointer to the HW struct
2018 * @unloading: is the driver unloading itself
2019 *
2020 * Tell the Firmware that we're shutting down the AdminQ and whether
2021 * or not the driver is unloading as well (0x0003).
2022 */
ice_aq_q_shutdown(struct ice_hw * hw,bool unloading)2023 int ice_aq_q_shutdown(struct ice_hw *hw, bool unloading)
2024 {
2025 struct ice_aqc_q_shutdown *cmd;
2026 struct libie_aq_desc desc;
2027
2028 cmd = libie_aq_raw(&desc);
2029
2030 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_q_shutdown);
2031
2032 if (unloading)
2033 cmd->driver_unloading = ICE_AQC_DRIVER_UNLOADING;
2034
2035 return ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
2036 }
2037
2038 /**
2039 * ice_aq_req_res
2040 * @hw: pointer to the HW struct
2041 * @res: resource ID
2042 * @access: access type
2043 * @sdp_number: resource number
2044 * @timeout: the maximum time in ms that the driver may hold the resource
2045 * @cd: pointer to command details structure or NULL
2046 *
2047 * Requests common resource using the admin queue commands (0x0008).
2048 * When attempting to acquire the Global Config Lock, the driver can
2049 * learn of three states:
2050 * 1) 0 - acquired lock, and can perform download package
2051 * 2) -EIO - did not get lock, driver should fail to load
2052 * 3) -EALREADY - did not get lock, but another driver has
2053 * successfully downloaded the package; the driver does
2054 * not have to download the package and can continue
2055 * loading
2056 *
2057 * Note that if the caller is in an acquire lock, perform action, release lock
2058 * phase of operation, it is possible that the FW may detect a timeout and issue
2059 * a CORER. In this case, the driver will receive a CORER interrupt and will
2060 * have to determine its cause. The calling thread that is handling this flow
2061 * will likely get an error propagated back to it indicating the Download
2062 * Package, Update Package or the Release Resource AQ commands timed out.
2063 */
2064 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)2065 ice_aq_req_res(struct ice_hw *hw, enum ice_aq_res_ids res,
2066 enum ice_aq_res_access_type access, u8 sdp_number, u32 *timeout,
2067 struct ice_sq_cd *cd)
2068 {
2069 struct libie_aqc_req_res *cmd_resp;
2070 struct libie_aq_desc desc;
2071 int status;
2072
2073 cmd_resp = &desc.params.res_owner;
2074
2075 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_req_res);
2076
2077 cmd_resp->res_id = cpu_to_le16(res);
2078 cmd_resp->access_type = cpu_to_le16(access);
2079 cmd_resp->res_number = cpu_to_le32(sdp_number);
2080 cmd_resp->timeout = cpu_to_le32(*timeout);
2081 *timeout = 0;
2082
2083 status = ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
2084
2085 /* The completion specifies the maximum time in ms that the driver
2086 * may hold the resource in the Timeout field.
2087 */
2088
2089 /* Global config lock response utilizes an additional status field.
2090 *
2091 * If the Global config lock resource is held by some other driver, the
2092 * command completes with LIBIE_AQ_RES_GLBL_IN_PROG in the status field
2093 * and the timeout field indicates the maximum time the current owner
2094 * of the resource has to free it.
2095 */
2096 if (res == ICE_GLOBAL_CFG_LOCK_RES_ID) {
2097 if (le16_to_cpu(cmd_resp->status) == LIBIE_AQ_RES_GLBL_SUCCESS) {
2098 *timeout = le32_to_cpu(cmd_resp->timeout);
2099 return 0;
2100 } else if (le16_to_cpu(cmd_resp->status) ==
2101 LIBIE_AQ_RES_GLBL_IN_PROG) {
2102 *timeout = le32_to_cpu(cmd_resp->timeout);
2103 return -EIO;
2104 } else if (le16_to_cpu(cmd_resp->status) ==
2105 LIBIE_AQ_RES_GLBL_DONE) {
2106 return -EALREADY;
2107 }
2108
2109 /* invalid FW response, force a timeout immediately */
2110 *timeout = 0;
2111 return -EIO;
2112 }
2113
2114 /* If the resource is held by some other driver, the command completes
2115 * with a busy return value and the timeout field indicates the maximum
2116 * time the current owner of the resource has to free it.
2117 */
2118 if (!status || hw->adminq.sq_last_status == LIBIE_AQ_RC_EBUSY)
2119 *timeout = le32_to_cpu(cmd_resp->timeout);
2120
2121 return status;
2122 }
2123
2124 /**
2125 * ice_aq_release_res
2126 * @hw: pointer to the HW struct
2127 * @res: resource ID
2128 * @sdp_number: resource number
2129 * @cd: pointer to command details structure or NULL
2130 *
2131 * release common resource using the admin queue commands (0x0009)
2132 */
2133 static int
ice_aq_release_res(struct ice_hw * hw,enum ice_aq_res_ids res,u8 sdp_number,struct ice_sq_cd * cd)2134 ice_aq_release_res(struct ice_hw *hw, enum ice_aq_res_ids res, u8 sdp_number,
2135 struct ice_sq_cd *cd)
2136 {
2137 struct libie_aqc_req_res *cmd;
2138 struct libie_aq_desc desc;
2139
2140 cmd = &desc.params.res_owner;
2141
2142 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_release_res);
2143
2144 cmd->res_id = cpu_to_le16(res);
2145 cmd->res_number = cpu_to_le32(sdp_number);
2146
2147 return ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
2148 }
2149
2150 /**
2151 * ice_acquire_res
2152 * @hw: pointer to the HW structure
2153 * @res: resource ID
2154 * @access: access type (read or write)
2155 * @timeout: timeout in milliseconds
2156 *
2157 * This function will attempt to acquire the ownership of a resource.
2158 */
2159 int
ice_acquire_res(struct ice_hw * hw,enum ice_aq_res_ids res,enum ice_aq_res_access_type access,u32 timeout)2160 ice_acquire_res(struct ice_hw *hw, enum ice_aq_res_ids res,
2161 enum ice_aq_res_access_type access, u32 timeout)
2162 {
2163 #define ICE_RES_POLLING_DELAY_MS 10
2164 u32 delay = ICE_RES_POLLING_DELAY_MS;
2165 u32 time_left = timeout;
2166 int status;
2167
2168 status = ice_aq_req_res(hw, res, access, 0, &time_left, NULL);
2169
2170 /* A return code of -EALREADY means that another driver has
2171 * previously acquired the resource and performed any necessary updates;
2172 * in this case the caller does not obtain the resource and has no
2173 * further work to do.
2174 */
2175 if (status == -EALREADY)
2176 goto ice_acquire_res_exit;
2177
2178 if (status)
2179 ice_debug(hw, ICE_DBG_RES, "resource %d acquire type %d failed.\n", res, access);
2180
2181 /* If necessary, poll until the current lock owner timeouts */
2182 timeout = time_left;
2183 while (status && timeout && time_left) {
2184 mdelay(delay);
2185 timeout = (timeout > delay) ? timeout - delay : 0;
2186 status = ice_aq_req_res(hw, res, access, 0, &time_left, NULL);
2187
2188 if (status == -EALREADY)
2189 /* lock free, but no work to do */
2190 break;
2191
2192 if (!status)
2193 /* lock acquired */
2194 break;
2195 }
2196 if (status && status != -EALREADY)
2197 ice_debug(hw, ICE_DBG_RES, "resource acquire timed out.\n");
2198
2199 ice_acquire_res_exit:
2200 if (status == -EALREADY) {
2201 if (access == ICE_RES_WRITE)
2202 ice_debug(hw, ICE_DBG_RES, "resource indicates no work to do.\n");
2203 else
2204 ice_debug(hw, ICE_DBG_RES, "Warning: -EALREADY not expected\n");
2205 }
2206 return status;
2207 }
2208
2209 /**
2210 * ice_release_res
2211 * @hw: pointer to the HW structure
2212 * @res: resource ID
2213 *
2214 * This function will release a resource using the proper Admin Command.
2215 */
ice_release_res(struct ice_hw * hw,enum ice_aq_res_ids res)2216 void ice_release_res(struct ice_hw *hw, enum ice_aq_res_ids res)
2217 {
2218 unsigned long timeout;
2219 int status;
2220
2221 /* there are some rare cases when trying to release the resource
2222 * results in an admin queue timeout, so handle them correctly
2223 */
2224 timeout = jiffies + 10 * usecs_to_jiffies(ICE_CTL_Q_SQ_CMD_TIMEOUT);
2225 do {
2226 status = ice_aq_release_res(hw, res, 0, NULL);
2227 if (status != -EIO)
2228 break;
2229 usleep_range(1000, 2000);
2230 } while (time_before(jiffies, timeout));
2231 }
2232
2233 /**
2234 * ice_aq_alloc_free_res - command to allocate/free resources
2235 * @hw: pointer to the HW struct
2236 * @buf: Indirect buffer to hold data parameters and response
2237 * @buf_size: size of buffer for indirect commands
2238 * @opc: pass in the command opcode
2239 *
2240 * Helper function to allocate/free resources using the admin queue commands
2241 */
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)2242 int ice_aq_alloc_free_res(struct ice_hw *hw,
2243 struct ice_aqc_alloc_free_res_elem *buf, u16 buf_size,
2244 enum ice_adminq_opc opc)
2245 {
2246 struct ice_aqc_alloc_free_res_cmd *cmd;
2247 struct libie_aq_desc desc;
2248
2249 cmd = libie_aq_raw(&desc);
2250
2251 if (!buf || buf_size < flex_array_size(buf, elem, 1))
2252 return -EINVAL;
2253
2254 ice_fill_dflt_direct_cmd_desc(&desc, opc);
2255
2256 desc.flags |= cpu_to_le16(LIBIE_AQ_FLAG_RD);
2257
2258 cmd->num_entries = cpu_to_le16(1);
2259
2260 return ice_aq_send_cmd(hw, &desc, buf, buf_size, NULL);
2261 }
2262
2263 /**
2264 * ice_alloc_hw_res - allocate resource
2265 * @hw: pointer to the HW struct
2266 * @type: type of resource
2267 * @num: number of resources to allocate
2268 * @btm: allocate from bottom
2269 * @res: pointer to array that will receive the resources
2270 */
2271 int
ice_alloc_hw_res(struct ice_hw * hw,u16 type,u16 num,bool btm,u16 * res)2272 ice_alloc_hw_res(struct ice_hw *hw, u16 type, u16 num, bool btm, u16 *res)
2273 {
2274 struct ice_aqc_alloc_free_res_elem *buf;
2275 u16 buf_len;
2276 int status;
2277
2278 buf_len = struct_size(buf, elem, num);
2279 buf = kzalloc(buf_len, GFP_KERNEL);
2280 if (!buf)
2281 return -ENOMEM;
2282
2283 /* Prepare buffer to allocate resource. */
2284 buf->num_elems = cpu_to_le16(num);
2285 buf->res_type = cpu_to_le16(type | ICE_AQC_RES_TYPE_FLAG_DEDICATED |
2286 ICE_AQC_RES_TYPE_FLAG_IGNORE_INDEX);
2287 if (btm)
2288 buf->res_type |= cpu_to_le16(ICE_AQC_RES_TYPE_FLAG_SCAN_BOTTOM);
2289
2290 status = ice_aq_alloc_free_res(hw, buf, buf_len, ice_aqc_opc_alloc_res);
2291 if (status)
2292 goto ice_alloc_res_exit;
2293
2294 memcpy(res, buf->elem, sizeof(*buf->elem) * num);
2295
2296 ice_alloc_res_exit:
2297 kfree(buf);
2298 return status;
2299 }
2300
2301 /**
2302 * ice_free_hw_res - free allocated HW resource
2303 * @hw: pointer to the HW struct
2304 * @type: type of resource to free
2305 * @num: number of resources
2306 * @res: pointer to array that contains the resources to free
2307 */
ice_free_hw_res(struct ice_hw * hw,u16 type,u16 num,u16 * res)2308 int ice_free_hw_res(struct ice_hw *hw, u16 type, u16 num, u16 *res)
2309 {
2310 struct ice_aqc_alloc_free_res_elem *buf;
2311 u16 buf_len;
2312 int status;
2313
2314 buf_len = struct_size(buf, elem, num);
2315 buf = kzalloc(buf_len, GFP_KERNEL);
2316 if (!buf)
2317 return -ENOMEM;
2318
2319 /* Prepare buffer to free resource. */
2320 buf->num_elems = cpu_to_le16(num);
2321 buf->res_type = cpu_to_le16(type);
2322 memcpy(buf->elem, res, sizeof(*buf->elem) * num);
2323
2324 status = ice_aq_alloc_free_res(hw, buf, buf_len, ice_aqc_opc_free_res);
2325 if (status)
2326 ice_debug(hw, ICE_DBG_SW, "CQ CMD Buffer:\n");
2327
2328 kfree(buf);
2329 return status;
2330 }
2331
2332 /**
2333 * ice_get_num_per_func - determine number of resources per PF
2334 * @hw: pointer to the HW structure
2335 * @max: value to be evenly split between each PF
2336 *
2337 * Determine the number of valid functions by going through the bitmap returned
2338 * from parsing capabilities and use this to calculate the number of resources
2339 * per PF based on the max value passed in.
2340 */
ice_get_num_per_func(struct ice_hw * hw,u32 max)2341 static u32 ice_get_num_per_func(struct ice_hw *hw, u32 max)
2342 {
2343 u8 funcs;
2344
2345 #define ICE_CAPS_VALID_FUNCS_M 0xFF
2346 funcs = hweight8(hw->dev_caps.common_cap.valid_functions &
2347 ICE_CAPS_VALID_FUNCS_M);
2348
2349 if (!funcs)
2350 return 0;
2351
2352 return max / funcs;
2353 }
2354
2355 /**
2356 * ice_parse_common_caps - parse common device/function capabilities
2357 * @hw: pointer to the HW struct
2358 * @caps: pointer to common capabilities structure
2359 * @elem: the capability element to parse
2360 * @prefix: message prefix for tracing capabilities
2361 *
2362 * Given a capability element, extract relevant details into the common
2363 * capability structure.
2364 *
2365 * Returns: true if the capability matches one of the common capability ids,
2366 * false otherwise.
2367 */
2368 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)2369 ice_parse_common_caps(struct ice_hw *hw, struct ice_hw_common_caps *caps,
2370 struct libie_aqc_list_caps_elem *elem, const char *prefix)
2371 {
2372 u32 logical_id = le32_to_cpu(elem->logical_id);
2373 u32 phys_id = le32_to_cpu(elem->phys_id);
2374 u32 number = le32_to_cpu(elem->number);
2375 u16 cap = le16_to_cpu(elem->cap);
2376 bool found = true;
2377
2378 switch (cap) {
2379 case LIBIE_AQC_CAPS_VALID_FUNCTIONS:
2380 caps->valid_functions = number;
2381 ice_debug(hw, ICE_DBG_INIT, "%s: valid_functions (bitmap) = %d\n", prefix,
2382 caps->valid_functions);
2383 break;
2384 case LIBIE_AQC_CAPS_SRIOV:
2385 caps->sr_iov_1_1 = (number == 1);
2386 ice_debug(hw, ICE_DBG_INIT, "%s: sr_iov_1_1 = %d\n", prefix,
2387 caps->sr_iov_1_1);
2388 break;
2389 case LIBIE_AQC_CAPS_DCB:
2390 caps->dcb = (number == 1);
2391 caps->active_tc_bitmap = logical_id;
2392 caps->maxtc = phys_id;
2393 ice_debug(hw, ICE_DBG_INIT, "%s: dcb = %d\n", prefix, caps->dcb);
2394 ice_debug(hw, ICE_DBG_INIT, "%s: active_tc_bitmap = %d\n", prefix,
2395 caps->active_tc_bitmap);
2396 ice_debug(hw, ICE_DBG_INIT, "%s: maxtc = %d\n", prefix, caps->maxtc);
2397 break;
2398 case LIBIE_AQC_CAPS_RSS:
2399 caps->rss_table_size = number;
2400 caps->rss_table_entry_width = logical_id;
2401 ice_debug(hw, ICE_DBG_INIT, "%s: rss_table_size = %d\n", prefix,
2402 caps->rss_table_size);
2403 ice_debug(hw, ICE_DBG_INIT, "%s: rss_table_entry_width = %d\n", prefix,
2404 caps->rss_table_entry_width);
2405 break;
2406 case LIBIE_AQC_CAPS_RXQS:
2407 caps->num_rxq = number;
2408 caps->rxq_first_id = phys_id;
2409 ice_debug(hw, ICE_DBG_INIT, "%s: num_rxq = %d\n", prefix,
2410 caps->num_rxq);
2411 ice_debug(hw, ICE_DBG_INIT, "%s: rxq_first_id = %d\n", prefix,
2412 caps->rxq_first_id);
2413 break;
2414 case LIBIE_AQC_CAPS_TXQS:
2415 caps->num_txq = number;
2416 caps->txq_first_id = phys_id;
2417 ice_debug(hw, ICE_DBG_INIT, "%s: num_txq = %d\n", prefix,
2418 caps->num_txq);
2419 ice_debug(hw, ICE_DBG_INIT, "%s: txq_first_id = %d\n", prefix,
2420 caps->txq_first_id);
2421 break;
2422 case LIBIE_AQC_CAPS_MSIX:
2423 caps->num_msix_vectors = number;
2424 caps->msix_vector_first_id = phys_id;
2425 ice_debug(hw, ICE_DBG_INIT, "%s: num_msix_vectors = %d\n", prefix,
2426 caps->num_msix_vectors);
2427 ice_debug(hw, ICE_DBG_INIT, "%s: msix_vector_first_id = %d\n", prefix,
2428 caps->msix_vector_first_id);
2429 break;
2430 case LIBIE_AQC_CAPS_PENDING_NVM_VER:
2431 caps->nvm_update_pending_nvm = true;
2432 ice_debug(hw, ICE_DBG_INIT, "%s: update_pending_nvm\n", prefix);
2433 break;
2434 case LIBIE_AQC_CAPS_PENDING_OROM_VER:
2435 caps->nvm_update_pending_orom = true;
2436 ice_debug(hw, ICE_DBG_INIT, "%s: update_pending_orom\n", prefix);
2437 break;
2438 case LIBIE_AQC_CAPS_PENDING_NET_VER:
2439 caps->nvm_update_pending_netlist = true;
2440 ice_debug(hw, ICE_DBG_INIT, "%s: update_pending_netlist\n", prefix);
2441 break;
2442 case LIBIE_AQC_CAPS_NVM_MGMT:
2443 caps->nvm_unified_update =
2444 (number & ICE_NVM_MGMT_UNIFIED_UPD_SUPPORT) ?
2445 true : false;
2446 ice_debug(hw, ICE_DBG_INIT, "%s: nvm_unified_update = %d\n", prefix,
2447 caps->nvm_unified_update);
2448 break;
2449 case LIBIE_AQC_CAPS_RDMA:
2450 if (IS_ENABLED(CONFIG_INFINIBAND_IRDMA))
2451 caps->rdma = (number == 1);
2452 ice_debug(hw, ICE_DBG_INIT, "%s: rdma = %d\n", prefix, caps->rdma);
2453 break;
2454 case LIBIE_AQC_CAPS_MAX_MTU:
2455 caps->max_mtu = number;
2456 ice_debug(hw, ICE_DBG_INIT, "%s: max_mtu = %d\n",
2457 prefix, caps->max_mtu);
2458 break;
2459 case LIBIE_AQC_CAPS_PCIE_RESET_AVOIDANCE:
2460 caps->pcie_reset_avoidance = (number > 0);
2461 ice_debug(hw, ICE_DBG_INIT,
2462 "%s: pcie_reset_avoidance = %d\n", prefix,
2463 caps->pcie_reset_avoidance);
2464 break;
2465 case LIBIE_AQC_CAPS_POST_UPDATE_RESET_RESTRICT:
2466 caps->reset_restrict_support = (number == 1);
2467 ice_debug(hw, ICE_DBG_INIT,
2468 "%s: reset_restrict_support = %d\n", prefix,
2469 caps->reset_restrict_support);
2470 break;
2471 case LIBIE_AQC_CAPS_FW_LAG_SUPPORT:
2472 caps->roce_lag = number & LIBIE_AQC_BIT_ROCEV2_LAG;
2473 ice_debug(hw, ICE_DBG_INIT, "%s: roce_lag = %u\n",
2474 prefix, caps->roce_lag);
2475 caps->sriov_lag = number & LIBIE_AQC_BIT_SRIOV_LAG;
2476 ice_debug(hw, ICE_DBG_INIT, "%s: sriov_lag = %u\n",
2477 prefix, caps->sriov_lag);
2478 caps->sriov_aa_lag = number & LIBIE_AQC_BIT_SRIOV_AA_LAG;
2479 ice_debug(hw, ICE_DBG_INIT, "%s: sriov_aa_lag = %u\n",
2480 prefix, caps->sriov_aa_lag);
2481 break;
2482 case LIBIE_AQC_CAPS_TX_SCHED_TOPO_COMP_MODE:
2483 caps->tx_sched_topo_comp_mode_en = (number == 1);
2484 break;
2485 default:
2486 /* Not one of the recognized common capabilities */
2487 found = false;
2488 }
2489
2490 return found;
2491 }
2492
2493 /**
2494 * ice_recalc_port_limited_caps - Recalculate port limited capabilities
2495 * @hw: pointer to the HW structure
2496 * @caps: pointer to capabilities structure to fix
2497 *
2498 * Re-calculate the capabilities that are dependent on the number of physical
2499 * ports; i.e. some features are not supported or function differently on
2500 * devices with more than 4 ports.
2501 */
2502 static void
ice_recalc_port_limited_caps(struct ice_hw * hw,struct ice_hw_common_caps * caps)2503 ice_recalc_port_limited_caps(struct ice_hw *hw, struct ice_hw_common_caps *caps)
2504 {
2505 /* This assumes device capabilities are always scanned before function
2506 * capabilities during the initialization flow.
2507 */
2508 if (hw->dev_caps.num_funcs > 4) {
2509 /* Max 4 TCs per port */
2510 caps->maxtc = 4;
2511 ice_debug(hw, ICE_DBG_INIT, "reducing maxtc to %d (based on #ports)\n",
2512 caps->maxtc);
2513 if (caps->rdma) {
2514 ice_debug(hw, ICE_DBG_INIT, "forcing RDMA off\n");
2515 caps->rdma = 0;
2516 }
2517
2518 /* print message only when processing device capabilities
2519 * during initialization.
2520 */
2521 if (caps == &hw->dev_caps.common_cap)
2522 dev_info(ice_hw_to_dev(hw), "RDMA functionality is not available with the current device configuration.\n");
2523 }
2524 }
2525
2526 /**
2527 * ice_parse_vf_func_caps - Parse ICE_AQC_CAPS_VF function caps
2528 * @hw: pointer to the HW struct
2529 * @func_p: pointer to function capabilities structure
2530 * @cap: pointer to the capability element to parse
2531 *
2532 * Extract function capabilities for ICE_AQC_CAPS_VF.
2533 */
2534 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)2535 ice_parse_vf_func_caps(struct ice_hw *hw, struct ice_hw_func_caps *func_p,
2536 struct libie_aqc_list_caps_elem *cap)
2537 {
2538 u32 logical_id = le32_to_cpu(cap->logical_id);
2539 u32 number = le32_to_cpu(cap->number);
2540
2541 func_p->num_allocd_vfs = number;
2542 func_p->vf_base_id = logical_id;
2543 ice_debug(hw, ICE_DBG_INIT, "func caps: num_allocd_vfs = %d\n",
2544 func_p->num_allocd_vfs);
2545 ice_debug(hw, ICE_DBG_INIT, "func caps: vf_base_id = %d\n",
2546 func_p->vf_base_id);
2547 }
2548
2549 /**
2550 * ice_parse_vsi_func_caps - Parse ICE_AQC_CAPS_VSI function caps
2551 * @hw: pointer to the HW struct
2552 * @func_p: pointer to function capabilities structure
2553 * @cap: pointer to the capability element to parse
2554 *
2555 * Extract function capabilities for ICE_AQC_CAPS_VSI.
2556 */
2557 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)2558 ice_parse_vsi_func_caps(struct ice_hw *hw, struct ice_hw_func_caps *func_p,
2559 struct libie_aqc_list_caps_elem *cap)
2560 {
2561 func_p->guar_num_vsi = ice_get_num_per_func(hw, ICE_MAX_VSI);
2562 ice_debug(hw, ICE_DBG_INIT, "func caps: guar_num_vsi (fw) = %d\n",
2563 le32_to_cpu(cap->number));
2564 ice_debug(hw, ICE_DBG_INIT, "func caps: guar_num_vsi = %d\n",
2565 func_p->guar_num_vsi);
2566 }
2567
2568 /**
2569 * ice_parse_1588_func_caps - Parse ICE_AQC_CAPS_1588 function caps
2570 * @hw: pointer to the HW struct
2571 * @func_p: pointer to function capabilities structure
2572 * @cap: pointer to the capability element to parse
2573 *
2574 * Extract function capabilities for ICE_AQC_CAPS_1588.
2575 */
2576 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)2577 ice_parse_1588_func_caps(struct ice_hw *hw, struct ice_hw_func_caps *func_p,
2578 struct libie_aqc_list_caps_elem *cap)
2579 {
2580 struct ice_ts_func_info *info = &func_p->ts_func_info;
2581 u32 number = le32_to_cpu(cap->number);
2582
2583 info->ena = ((number & ICE_TS_FUNC_ENA_M) != 0);
2584 func_p->common_cap.ieee_1588 = info->ena;
2585
2586 info->src_tmr_owned = ((number & ICE_TS_SRC_TMR_OWND_M) != 0);
2587 info->tmr_ena = ((number & ICE_TS_TMR_ENA_M) != 0);
2588 info->tmr_index_owned = ((number & ICE_TS_TMR_IDX_OWND_M) != 0);
2589 info->tmr_index_assoc = ((number & ICE_TS_TMR_IDX_ASSOC_M) != 0);
2590
2591 if (hw->mac_type != ICE_MAC_GENERIC_3K_E825) {
2592 info->clk_freq = FIELD_GET(ICE_TS_CLK_FREQ_M, number);
2593 info->clk_src = ((number & ICE_TS_CLK_SRC_M) != 0);
2594 } else {
2595 info->clk_freq = ICE_TSPLL_FREQ_156_250;
2596 info->clk_src = ICE_CLK_SRC_TIME_REF;
2597 }
2598
2599 if (info->clk_freq < NUM_ICE_TSPLL_FREQ) {
2600 info->time_ref = (enum ice_tspll_freq)info->clk_freq;
2601 } else {
2602 /* Unknown clock frequency, so assume a (probably incorrect)
2603 * default to avoid out-of-bounds look ups of frequency
2604 * related information.
2605 */
2606 ice_debug(hw, ICE_DBG_INIT, "1588 func caps: unknown clock frequency %u\n",
2607 info->clk_freq);
2608 info->time_ref = ICE_TSPLL_FREQ_25_000;
2609 }
2610
2611 ice_debug(hw, ICE_DBG_INIT, "func caps: ieee_1588 = %u\n",
2612 func_p->common_cap.ieee_1588);
2613 ice_debug(hw, ICE_DBG_INIT, "func caps: src_tmr_owned = %u\n",
2614 info->src_tmr_owned);
2615 ice_debug(hw, ICE_DBG_INIT, "func caps: tmr_ena = %u\n",
2616 info->tmr_ena);
2617 ice_debug(hw, ICE_DBG_INIT, "func caps: tmr_index_owned = %u\n",
2618 info->tmr_index_owned);
2619 ice_debug(hw, ICE_DBG_INIT, "func caps: tmr_index_assoc = %u\n",
2620 info->tmr_index_assoc);
2621 ice_debug(hw, ICE_DBG_INIT, "func caps: clk_freq = %u\n",
2622 info->clk_freq);
2623 ice_debug(hw, ICE_DBG_INIT, "func caps: clk_src = %u\n",
2624 info->clk_src);
2625 }
2626
2627 /**
2628 * ice_parse_fdir_func_caps - Parse ICE_AQC_CAPS_FD function caps
2629 * @hw: pointer to the HW struct
2630 * @func_p: pointer to function capabilities structure
2631 *
2632 * Extract function capabilities for ICE_AQC_CAPS_FD.
2633 */
2634 static void
ice_parse_fdir_func_caps(struct ice_hw * hw,struct ice_hw_func_caps * func_p)2635 ice_parse_fdir_func_caps(struct ice_hw *hw, struct ice_hw_func_caps *func_p)
2636 {
2637 u32 reg_val, gsize, bsize;
2638
2639 reg_val = rd32(hw, GLQF_FD_SIZE);
2640 switch (hw->mac_type) {
2641 case ICE_MAC_E830:
2642 gsize = FIELD_GET(E830_GLQF_FD_SIZE_FD_GSIZE_M, reg_val);
2643 bsize = FIELD_GET(E830_GLQF_FD_SIZE_FD_BSIZE_M, reg_val);
2644 break;
2645 case ICE_MAC_E810:
2646 default:
2647 gsize = FIELD_GET(E800_GLQF_FD_SIZE_FD_GSIZE_M, reg_val);
2648 bsize = FIELD_GET(E800_GLQF_FD_SIZE_FD_BSIZE_M, reg_val);
2649 }
2650 func_p->fd_fltr_guar = ice_get_num_per_func(hw, gsize);
2651 func_p->fd_fltr_best_effort = bsize;
2652
2653 ice_debug(hw, ICE_DBG_INIT, "func caps: fd_fltr_guar = %d\n",
2654 func_p->fd_fltr_guar);
2655 ice_debug(hw, ICE_DBG_INIT, "func caps: fd_fltr_best_effort = %d\n",
2656 func_p->fd_fltr_best_effort);
2657 }
2658
2659 /**
2660 * ice_parse_func_caps - Parse function capabilities
2661 * @hw: pointer to the HW struct
2662 * @func_p: pointer to function capabilities structure
2663 * @buf: buffer containing the function capability records
2664 * @cap_count: the number of capabilities
2665 *
2666 * Helper function to parse function (0x000A) capabilities list. For
2667 * capabilities shared between device and function, this relies on
2668 * ice_parse_common_caps.
2669 *
2670 * Loop through the list of provided capabilities and extract the relevant
2671 * data into the function capabilities structured.
2672 */
2673 static void
ice_parse_func_caps(struct ice_hw * hw,struct ice_hw_func_caps * func_p,void * buf,u32 cap_count)2674 ice_parse_func_caps(struct ice_hw *hw, struct ice_hw_func_caps *func_p,
2675 void *buf, u32 cap_count)
2676 {
2677 struct libie_aqc_list_caps_elem *cap_resp;
2678 u32 i;
2679
2680 cap_resp = buf;
2681
2682 memset(func_p, 0, sizeof(*func_p));
2683
2684 for (i = 0; i < cap_count; i++) {
2685 u16 cap = le16_to_cpu(cap_resp[i].cap);
2686 bool found;
2687
2688 found = ice_parse_common_caps(hw, &func_p->common_cap,
2689 &cap_resp[i], "func caps");
2690
2691 switch (cap) {
2692 case LIBIE_AQC_CAPS_VF:
2693 ice_parse_vf_func_caps(hw, func_p, &cap_resp[i]);
2694 break;
2695 case LIBIE_AQC_CAPS_VSI:
2696 ice_parse_vsi_func_caps(hw, func_p, &cap_resp[i]);
2697 break;
2698 case LIBIE_AQC_CAPS_1588:
2699 ice_parse_1588_func_caps(hw, func_p, &cap_resp[i]);
2700 break;
2701 case LIBIE_AQC_CAPS_FD:
2702 ice_parse_fdir_func_caps(hw, func_p);
2703 break;
2704 default:
2705 /* Don't list common capabilities as unknown */
2706 if (!found)
2707 ice_debug(hw, ICE_DBG_INIT, "func caps: unknown capability[%d]: 0x%x\n",
2708 i, cap);
2709 break;
2710 }
2711 }
2712
2713 ice_recalc_port_limited_caps(hw, &func_p->common_cap);
2714 }
2715
2716 /**
2717 * ice_func_id_to_logical_id - map from function id to logical pf id
2718 * @active_function_bitmap: active function bitmap
2719 * @pf_id: function number of device
2720 *
2721 * Return: logical PF ID.
2722 */
ice_func_id_to_logical_id(u32 active_function_bitmap,u8 pf_id)2723 static int ice_func_id_to_logical_id(u32 active_function_bitmap, u8 pf_id)
2724 {
2725 u8 logical_id = 0;
2726 u8 i;
2727
2728 for (i = 0; i < pf_id; i++)
2729 if (active_function_bitmap & BIT(i))
2730 logical_id++;
2731
2732 return logical_id;
2733 }
2734
2735 /**
2736 * ice_parse_valid_functions_cap - Parse ICE_AQC_CAPS_VALID_FUNCTIONS caps
2737 * @hw: pointer to the HW struct
2738 * @dev_p: pointer to device capabilities structure
2739 * @cap: capability element to parse
2740 *
2741 * Parse ICE_AQC_CAPS_VALID_FUNCTIONS for device capabilities.
2742 */
2743 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)2744 ice_parse_valid_functions_cap(struct ice_hw *hw, struct ice_hw_dev_caps *dev_p,
2745 struct libie_aqc_list_caps_elem *cap)
2746 {
2747 u32 number = le32_to_cpu(cap->number);
2748
2749 dev_p->num_funcs = hweight32(number);
2750 ice_debug(hw, ICE_DBG_INIT, "dev caps: num_funcs = %d\n",
2751 dev_p->num_funcs);
2752
2753 hw->logical_pf_id = ice_func_id_to_logical_id(number, hw->pf_id);
2754 }
2755
2756 /**
2757 * ice_parse_vf_dev_caps - Parse ICE_AQC_CAPS_VF device caps
2758 * @hw: pointer to the HW struct
2759 * @dev_p: pointer to device capabilities structure
2760 * @cap: capability element to parse
2761 *
2762 * Parse ICE_AQC_CAPS_VF for device capabilities.
2763 */
2764 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)2765 ice_parse_vf_dev_caps(struct ice_hw *hw, struct ice_hw_dev_caps *dev_p,
2766 struct libie_aqc_list_caps_elem *cap)
2767 {
2768 u32 number = le32_to_cpu(cap->number);
2769
2770 dev_p->num_vfs_exposed = number;
2771 ice_debug(hw, ICE_DBG_INIT, "dev_caps: num_vfs_exposed = %d\n",
2772 dev_p->num_vfs_exposed);
2773 }
2774
2775 /**
2776 * ice_parse_vsi_dev_caps - Parse ICE_AQC_CAPS_VSI device caps
2777 * @hw: pointer to the HW struct
2778 * @dev_p: pointer to device capabilities structure
2779 * @cap: capability element to parse
2780 *
2781 * Parse ICE_AQC_CAPS_VSI for device capabilities.
2782 */
2783 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)2784 ice_parse_vsi_dev_caps(struct ice_hw *hw, struct ice_hw_dev_caps *dev_p,
2785 struct libie_aqc_list_caps_elem *cap)
2786 {
2787 u32 number = le32_to_cpu(cap->number);
2788
2789 dev_p->num_vsi_allocd_to_host = number;
2790 ice_debug(hw, ICE_DBG_INIT, "dev caps: num_vsi_allocd_to_host = %d\n",
2791 dev_p->num_vsi_allocd_to_host);
2792 }
2793
2794 /**
2795 * ice_parse_1588_dev_caps - Parse ICE_AQC_CAPS_1588 device caps
2796 * @hw: pointer to the HW struct
2797 * @dev_p: pointer to device capabilities structure
2798 * @cap: capability element to parse
2799 *
2800 * Parse ICE_AQC_CAPS_1588 for device capabilities.
2801 */
2802 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)2803 ice_parse_1588_dev_caps(struct ice_hw *hw, struct ice_hw_dev_caps *dev_p,
2804 struct libie_aqc_list_caps_elem *cap)
2805 {
2806 struct ice_ts_dev_info *info = &dev_p->ts_dev_info;
2807 u32 logical_id = le32_to_cpu(cap->logical_id);
2808 u32 phys_id = le32_to_cpu(cap->phys_id);
2809 u32 number = le32_to_cpu(cap->number);
2810
2811 info->ena = ((number & ICE_TS_DEV_ENA_M) != 0);
2812 dev_p->common_cap.ieee_1588 = info->ena;
2813
2814 info->tmr0_owner = number & ICE_TS_TMR0_OWNR_M;
2815 info->tmr0_owned = ((number & ICE_TS_TMR0_OWND_M) != 0);
2816 info->tmr0_ena = ((number & ICE_TS_TMR0_ENA_M) != 0);
2817
2818 info->tmr1_owner = FIELD_GET(ICE_TS_TMR1_OWNR_M, number);
2819 info->tmr1_owned = ((number & ICE_TS_TMR1_OWND_M) != 0);
2820 info->tmr1_ena = ((number & ICE_TS_TMR1_ENA_M) != 0);
2821
2822 info->ts_ll_read = ((number & ICE_TS_LL_TX_TS_READ_M) != 0);
2823 info->ts_ll_int_read = ((number & ICE_TS_LL_TX_TS_INT_READ_M) != 0);
2824 info->ll_phy_tmr_update = ((number & ICE_TS_LL_PHY_TMR_UPDATE_M) != 0);
2825
2826 info->ena_ports = logical_id;
2827 info->tmr_own_map = phys_id;
2828
2829 ice_debug(hw, ICE_DBG_INIT, "dev caps: ieee_1588 = %u\n",
2830 dev_p->common_cap.ieee_1588);
2831 ice_debug(hw, ICE_DBG_INIT, "dev caps: tmr0_owner = %u\n",
2832 info->tmr0_owner);
2833 ice_debug(hw, ICE_DBG_INIT, "dev caps: tmr0_owned = %u\n",
2834 info->tmr0_owned);
2835 ice_debug(hw, ICE_DBG_INIT, "dev caps: tmr0_ena = %u\n",
2836 info->tmr0_ena);
2837 ice_debug(hw, ICE_DBG_INIT, "dev caps: tmr1_owner = %u\n",
2838 info->tmr1_owner);
2839 ice_debug(hw, ICE_DBG_INIT, "dev caps: tmr1_owned = %u\n",
2840 info->tmr1_owned);
2841 ice_debug(hw, ICE_DBG_INIT, "dev caps: tmr1_ena = %u\n",
2842 info->tmr1_ena);
2843 ice_debug(hw, ICE_DBG_INIT, "dev caps: ts_ll_read = %u\n",
2844 info->ts_ll_read);
2845 ice_debug(hw, ICE_DBG_INIT, "dev caps: ts_ll_int_read = %u\n",
2846 info->ts_ll_int_read);
2847 ice_debug(hw, ICE_DBG_INIT, "dev caps: ll_phy_tmr_update = %u\n",
2848 info->ll_phy_tmr_update);
2849 ice_debug(hw, ICE_DBG_INIT, "dev caps: ieee_1588 ena_ports = %u\n",
2850 info->ena_ports);
2851 ice_debug(hw, ICE_DBG_INIT, "dev caps: tmr_own_map = %u\n",
2852 info->tmr_own_map);
2853 }
2854
2855 /**
2856 * ice_parse_fdir_dev_caps - Parse ICE_AQC_CAPS_FD device caps
2857 * @hw: pointer to the HW struct
2858 * @dev_p: pointer to device capabilities structure
2859 * @cap: capability element to parse
2860 *
2861 * Parse ICE_AQC_CAPS_FD for device capabilities.
2862 */
2863 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)2864 ice_parse_fdir_dev_caps(struct ice_hw *hw, struct ice_hw_dev_caps *dev_p,
2865 struct libie_aqc_list_caps_elem *cap)
2866 {
2867 u32 number = le32_to_cpu(cap->number);
2868
2869 dev_p->num_flow_director_fltr = number;
2870 ice_debug(hw, ICE_DBG_INIT, "dev caps: num_flow_director_fltr = %d\n",
2871 dev_p->num_flow_director_fltr);
2872 }
2873
2874 /**
2875 * ice_parse_sensor_reading_cap - Parse ICE_AQC_CAPS_SENSOR_READING cap
2876 * @hw: pointer to the HW struct
2877 * @dev_p: pointer to device capabilities structure
2878 * @cap: capability element to parse
2879 *
2880 * Parse ICE_AQC_CAPS_SENSOR_READING for device capability for reading
2881 * enabled sensors.
2882 */
2883 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)2884 ice_parse_sensor_reading_cap(struct ice_hw *hw, struct ice_hw_dev_caps *dev_p,
2885 struct libie_aqc_list_caps_elem *cap)
2886 {
2887 dev_p->supported_sensors = le32_to_cpu(cap->number);
2888
2889 ice_debug(hw, ICE_DBG_INIT,
2890 "dev caps: supported sensors (bitmap) = 0x%x\n",
2891 dev_p->supported_sensors);
2892 }
2893
2894 /**
2895 * ice_parse_nac_topo_dev_caps - Parse ICE_AQC_CAPS_NAC_TOPOLOGY cap
2896 * @hw: pointer to the HW struct
2897 * @dev_p: pointer to device capabilities structure
2898 * @cap: capability element to parse
2899 *
2900 * Parse ICE_AQC_CAPS_NAC_TOPOLOGY for device capabilities.
2901 */
ice_parse_nac_topo_dev_caps(struct ice_hw * hw,struct ice_hw_dev_caps * dev_p,struct libie_aqc_list_caps_elem * cap)2902 static void ice_parse_nac_topo_dev_caps(struct ice_hw *hw,
2903 struct ice_hw_dev_caps *dev_p,
2904 struct libie_aqc_list_caps_elem *cap)
2905 {
2906 dev_p->nac_topo.mode = le32_to_cpu(cap->number);
2907 dev_p->nac_topo.id = le32_to_cpu(cap->phys_id) & ICE_NAC_TOPO_ID_M;
2908
2909 dev_info(ice_hw_to_dev(hw),
2910 "PF is configured in %s mode with IP instance ID %d\n",
2911 (dev_p->nac_topo.mode & ICE_NAC_TOPO_PRIMARY_M) ?
2912 "primary" : "secondary", dev_p->nac_topo.id);
2913
2914 ice_debug(hw, ICE_DBG_INIT, "dev caps: nac topology is_primary = %d\n",
2915 !!(dev_p->nac_topo.mode & ICE_NAC_TOPO_PRIMARY_M));
2916 ice_debug(hw, ICE_DBG_INIT, "dev caps: nac topology is_dual = %d\n",
2917 !!(dev_p->nac_topo.mode & ICE_NAC_TOPO_DUAL_M));
2918 ice_debug(hw, ICE_DBG_INIT, "dev caps: nac topology id = %d\n",
2919 dev_p->nac_topo.id);
2920 }
2921
2922 /**
2923 * ice_parse_dev_caps - Parse device capabilities
2924 * @hw: pointer to the HW struct
2925 * @dev_p: pointer to device capabilities structure
2926 * @buf: buffer containing the device capability records
2927 * @cap_count: the number of capabilities
2928 *
2929 * Helper device to parse device (0x000B) capabilities list. For
2930 * capabilities shared between device and function, this relies on
2931 * ice_parse_common_caps.
2932 *
2933 * Loop through the list of provided capabilities and extract the relevant
2934 * data into the device capabilities structured.
2935 */
2936 static void
ice_parse_dev_caps(struct ice_hw * hw,struct ice_hw_dev_caps * dev_p,void * buf,u32 cap_count)2937 ice_parse_dev_caps(struct ice_hw *hw, struct ice_hw_dev_caps *dev_p,
2938 void *buf, u32 cap_count)
2939 {
2940 struct libie_aqc_list_caps_elem *cap_resp;
2941 u32 i;
2942
2943 cap_resp = buf;
2944
2945 memset(dev_p, 0, sizeof(*dev_p));
2946
2947 for (i = 0; i < cap_count; i++) {
2948 u16 cap = le16_to_cpu(cap_resp[i].cap);
2949 bool found;
2950
2951 found = ice_parse_common_caps(hw, &dev_p->common_cap,
2952 &cap_resp[i], "dev caps");
2953
2954 switch (cap) {
2955 case LIBIE_AQC_CAPS_VALID_FUNCTIONS:
2956 ice_parse_valid_functions_cap(hw, dev_p, &cap_resp[i]);
2957 break;
2958 case LIBIE_AQC_CAPS_VF:
2959 ice_parse_vf_dev_caps(hw, dev_p, &cap_resp[i]);
2960 break;
2961 case LIBIE_AQC_CAPS_VSI:
2962 ice_parse_vsi_dev_caps(hw, dev_p, &cap_resp[i]);
2963 break;
2964 case LIBIE_AQC_CAPS_1588:
2965 ice_parse_1588_dev_caps(hw, dev_p, &cap_resp[i]);
2966 break;
2967 case LIBIE_AQC_CAPS_FD:
2968 ice_parse_fdir_dev_caps(hw, dev_p, &cap_resp[i]);
2969 break;
2970 case LIBIE_AQC_CAPS_SENSOR_READING:
2971 ice_parse_sensor_reading_cap(hw, dev_p, &cap_resp[i]);
2972 break;
2973 case LIBIE_AQC_CAPS_NAC_TOPOLOGY:
2974 ice_parse_nac_topo_dev_caps(hw, dev_p, &cap_resp[i]);
2975 break;
2976 default:
2977 /* Don't list common capabilities as unknown */
2978 if (!found)
2979 ice_debug(hw, ICE_DBG_INIT, "dev caps: unknown capability[%d]: 0x%x\n",
2980 i, cap);
2981 break;
2982 }
2983 }
2984
2985 ice_recalc_port_limited_caps(hw, &dev_p->common_cap);
2986 }
2987
2988 /**
2989 * ice_is_phy_rclk_in_netlist
2990 * @hw: pointer to the hw struct
2991 *
2992 * Check if the PHY Recovered Clock device is present in the netlist
2993 */
ice_is_phy_rclk_in_netlist(struct ice_hw * hw)2994 bool ice_is_phy_rclk_in_netlist(struct ice_hw *hw)
2995 {
2996 if (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_C827, NULL) &&
2999 ice_find_netlist_node(hw, ICE_AQC_LINK_TOPO_NODE_TYPE_PHY,
3000 ICE_AQC_LINK_TOPO_NODE_CTX_PORT,
3001 ICE_AQC_GET_LINK_TOPO_NODE_NR_E822_PHY, NULL))
3002 return false;
3003
3004 return true;
3005 }
3006
3007 /**
3008 * ice_is_clock_mux_in_netlist
3009 * @hw: pointer to the hw struct
3010 *
3011 * Check if the Clock Multiplexer device is present in the netlist
3012 */
ice_is_clock_mux_in_netlist(struct ice_hw * hw)3013 bool ice_is_clock_mux_in_netlist(struct ice_hw *hw)
3014 {
3015 if (ice_find_netlist_node(hw, ICE_AQC_LINK_TOPO_NODE_TYPE_CLK_MUX,
3016 ICE_AQC_LINK_TOPO_NODE_CTX_GLOBAL,
3017 ICE_AQC_GET_LINK_TOPO_NODE_NR_GEN_CLK_MUX,
3018 NULL))
3019 return false;
3020
3021 return true;
3022 }
3023
3024 /**
3025 * ice_is_cgu_in_netlist - check for CGU presence
3026 * @hw: pointer to the hw struct
3027 *
3028 * Check if the Clock Generation Unit (CGU) device is present in the netlist.
3029 * Save the CGU part number in the hw structure for later use.
3030 * Return:
3031 * * true - cgu is present
3032 * * false - cgu is not present
3033 */
ice_is_cgu_in_netlist(struct ice_hw * hw)3034 bool ice_is_cgu_in_netlist(struct ice_hw *hw)
3035 {
3036 if (!ice_find_netlist_node(hw, ICE_AQC_LINK_TOPO_NODE_TYPE_CLK_CTRL,
3037 ICE_AQC_LINK_TOPO_NODE_CTX_GLOBAL,
3038 ICE_AQC_GET_LINK_TOPO_NODE_NR_ZL30632_80032,
3039 NULL)) {
3040 hw->cgu_part_number = ICE_AQC_GET_LINK_TOPO_NODE_NR_ZL30632_80032;
3041 return true;
3042 } else if (!ice_find_netlist_node(hw,
3043 ICE_AQC_LINK_TOPO_NODE_TYPE_CLK_CTRL,
3044 ICE_AQC_LINK_TOPO_NODE_CTX_GLOBAL,
3045 ICE_AQC_GET_LINK_TOPO_NODE_NR_SI5383_5384,
3046 NULL)) {
3047 hw->cgu_part_number = ICE_AQC_GET_LINK_TOPO_NODE_NR_SI5383_5384;
3048 return true;
3049 }
3050
3051 return false;
3052 }
3053
3054 /**
3055 * ice_is_gps_in_netlist
3056 * @hw: pointer to the hw struct
3057 *
3058 * Check if the GPS generic device is present in the netlist
3059 */
ice_is_gps_in_netlist(struct ice_hw * hw)3060 bool ice_is_gps_in_netlist(struct ice_hw *hw)
3061 {
3062 if (ice_find_netlist_node(hw, ICE_AQC_LINK_TOPO_NODE_TYPE_GPS,
3063 ICE_AQC_LINK_TOPO_NODE_CTX_GLOBAL,
3064 ICE_AQC_GET_LINK_TOPO_NODE_NR_GEN_GPS, NULL))
3065 return false;
3066
3067 return true;
3068 }
3069
3070 /**
3071 * ice_aq_list_caps - query function/device capabilities
3072 * @hw: pointer to the HW struct
3073 * @buf: a buffer to hold the capabilities
3074 * @buf_size: size of the buffer
3075 * @cap_count: if not NULL, set to the number of capabilities reported
3076 * @opc: capabilities type to discover, device or function
3077 * @cd: pointer to command details structure or NULL
3078 *
3079 * Get the function (0x000A) or device (0x000B) capabilities description from
3080 * firmware and store it in the buffer.
3081 *
3082 * If the cap_count pointer is not NULL, then it is set to the number of
3083 * capabilities firmware will report. Note that if the buffer size is too
3084 * small, it is possible the command will return ICE_AQ_ERR_ENOMEM. The
3085 * cap_count will still be updated in this case. It is recommended that the
3086 * buffer size be set to ICE_AQ_MAX_BUF_LEN (the largest possible buffer that
3087 * firmware could return) to avoid this.
3088 */
3089 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)3090 ice_aq_list_caps(struct ice_hw *hw, void *buf, u16 buf_size, u32 *cap_count,
3091 enum ice_adminq_opc opc, struct ice_sq_cd *cd)
3092 {
3093 struct libie_aqc_list_caps *cmd;
3094 struct libie_aq_desc desc;
3095 int status;
3096
3097 cmd = &desc.params.get_cap;
3098
3099 if (opc != ice_aqc_opc_list_func_caps &&
3100 opc != ice_aqc_opc_list_dev_caps)
3101 return -EINVAL;
3102
3103 ice_fill_dflt_direct_cmd_desc(&desc, opc);
3104 status = ice_aq_send_cmd(hw, &desc, buf, buf_size, cd);
3105
3106 if (cap_count)
3107 *cap_count = le32_to_cpu(cmd->count);
3108
3109 return status;
3110 }
3111
3112 /**
3113 * ice_discover_dev_caps - Read and extract device capabilities
3114 * @hw: pointer to the hardware structure
3115 * @dev_caps: pointer to device capabilities structure
3116 *
3117 * Read the device capabilities and extract them into the dev_caps structure
3118 * for later use.
3119 */
3120 int
ice_discover_dev_caps(struct ice_hw * hw,struct ice_hw_dev_caps * dev_caps)3121 ice_discover_dev_caps(struct ice_hw *hw, struct ice_hw_dev_caps *dev_caps)
3122 {
3123 u32 cap_count = 0;
3124 void *cbuf;
3125 int status;
3126
3127 cbuf = kzalloc(ICE_AQ_MAX_BUF_LEN, GFP_KERNEL);
3128 if (!cbuf)
3129 return -ENOMEM;
3130
3131 /* Although the driver doesn't know the number of capabilities the
3132 * device will return, we can simply send a 4KB buffer, the maximum
3133 * possible size that firmware can return.
3134 */
3135 cap_count = ICE_AQ_MAX_BUF_LEN / sizeof(struct libie_aqc_list_caps_elem);
3136
3137 status = ice_aq_list_caps(hw, cbuf, ICE_AQ_MAX_BUF_LEN, &cap_count,
3138 ice_aqc_opc_list_dev_caps, NULL);
3139 if (!status)
3140 ice_parse_dev_caps(hw, dev_caps, cbuf, cap_count);
3141 kfree(cbuf);
3142
3143 return status;
3144 }
3145
3146 /**
3147 * ice_discover_func_caps - Read and extract function capabilities
3148 * @hw: pointer to the hardware structure
3149 * @func_caps: pointer to function capabilities structure
3150 *
3151 * Read the function capabilities and extract them into the func_caps structure
3152 * for later use.
3153 */
3154 static int
ice_discover_func_caps(struct ice_hw * hw,struct ice_hw_func_caps * func_caps)3155 ice_discover_func_caps(struct ice_hw *hw, struct ice_hw_func_caps *func_caps)
3156 {
3157 u32 cap_count = 0;
3158 void *cbuf;
3159 int status;
3160
3161 cbuf = kzalloc(ICE_AQ_MAX_BUF_LEN, GFP_KERNEL);
3162 if (!cbuf)
3163 return -ENOMEM;
3164
3165 /* Although the driver doesn't know the number of capabilities the
3166 * device will return, we can simply send a 4KB buffer, the maximum
3167 * possible size that firmware can return.
3168 */
3169 cap_count = ICE_AQ_MAX_BUF_LEN / sizeof(struct libie_aqc_list_caps_elem);
3170
3171 status = ice_aq_list_caps(hw, cbuf, ICE_AQ_MAX_BUF_LEN, &cap_count,
3172 ice_aqc_opc_list_func_caps, NULL);
3173 if (!status)
3174 ice_parse_func_caps(hw, func_caps, cbuf, cap_count);
3175 kfree(cbuf);
3176
3177 return status;
3178 }
3179
3180 /**
3181 * ice_set_safe_mode_caps - Override dev/func capabilities when in safe mode
3182 * @hw: pointer to the hardware structure
3183 */
ice_set_safe_mode_caps(struct ice_hw * hw)3184 void ice_set_safe_mode_caps(struct ice_hw *hw)
3185 {
3186 struct ice_hw_func_caps *func_caps = &hw->func_caps;
3187 struct ice_hw_dev_caps *dev_caps = &hw->dev_caps;
3188 struct ice_hw_common_caps cached_caps;
3189 u32 num_funcs;
3190
3191 /* cache some func_caps values that should be restored after memset */
3192 cached_caps = func_caps->common_cap;
3193
3194 /* unset func capabilities */
3195 memset(func_caps, 0, sizeof(*func_caps));
3196
3197 #define ICE_RESTORE_FUNC_CAP(name) \
3198 func_caps->common_cap.name = cached_caps.name
3199
3200 /* restore cached values */
3201 ICE_RESTORE_FUNC_CAP(valid_functions);
3202 ICE_RESTORE_FUNC_CAP(txq_first_id);
3203 ICE_RESTORE_FUNC_CAP(rxq_first_id);
3204 ICE_RESTORE_FUNC_CAP(msix_vector_first_id);
3205 ICE_RESTORE_FUNC_CAP(max_mtu);
3206 ICE_RESTORE_FUNC_CAP(nvm_unified_update);
3207 ICE_RESTORE_FUNC_CAP(nvm_update_pending_nvm);
3208 ICE_RESTORE_FUNC_CAP(nvm_update_pending_orom);
3209 ICE_RESTORE_FUNC_CAP(nvm_update_pending_netlist);
3210
3211 /* one Tx and one Rx queue in safe mode */
3212 func_caps->common_cap.num_rxq = 1;
3213 func_caps->common_cap.num_txq = 1;
3214
3215 /* two MSIX vectors, one for traffic and one for misc causes */
3216 func_caps->common_cap.num_msix_vectors = 2;
3217 func_caps->guar_num_vsi = 1;
3218
3219 /* cache some dev_caps values that should be restored after memset */
3220 cached_caps = dev_caps->common_cap;
3221 num_funcs = dev_caps->num_funcs;
3222
3223 /* unset dev capabilities */
3224 memset(dev_caps, 0, sizeof(*dev_caps));
3225
3226 #define ICE_RESTORE_DEV_CAP(name) \
3227 dev_caps->common_cap.name = cached_caps.name
3228
3229 /* restore cached values */
3230 ICE_RESTORE_DEV_CAP(valid_functions);
3231 ICE_RESTORE_DEV_CAP(txq_first_id);
3232 ICE_RESTORE_DEV_CAP(rxq_first_id);
3233 ICE_RESTORE_DEV_CAP(msix_vector_first_id);
3234 ICE_RESTORE_DEV_CAP(max_mtu);
3235 ICE_RESTORE_DEV_CAP(nvm_unified_update);
3236 ICE_RESTORE_DEV_CAP(nvm_update_pending_nvm);
3237 ICE_RESTORE_DEV_CAP(nvm_update_pending_orom);
3238 ICE_RESTORE_DEV_CAP(nvm_update_pending_netlist);
3239 dev_caps->num_funcs = num_funcs;
3240
3241 /* one Tx and one Rx queue per function in safe mode */
3242 dev_caps->common_cap.num_rxq = num_funcs;
3243 dev_caps->common_cap.num_txq = num_funcs;
3244
3245 /* two MSIX vectors per function */
3246 dev_caps->common_cap.num_msix_vectors = 2 * num_funcs;
3247 }
3248
3249 /**
3250 * ice_get_caps - get info about the HW
3251 * @hw: pointer to the hardware structure
3252 */
ice_get_caps(struct ice_hw * hw)3253 int ice_get_caps(struct ice_hw *hw)
3254 {
3255 int status;
3256
3257 status = ice_discover_dev_caps(hw, &hw->dev_caps);
3258 if (status)
3259 return status;
3260
3261 return ice_discover_func_caps(hw, &hw->func_caps);
3262 }
3263
3264 /**
3265 * ice_aq_manage_mac_write - manage MAC address write command
3266 * @hw: pointer to the HW struct
3267 * @mac_addr: MAC address to be written as LAA/LAA+WoL/Port address
3268 * @flags: flags to control write behavior
3269 * @cd: pointer to command details structure or NULL
3270 *
3271 * This function is used to write MAC address to the NVM (0x0108).
3272 */
3273 int
ice_aq_manage_mac_write(struct ice_hw * hw,const u8 * mac_addr,u8 flags,struct ice_sq_cd * cd)3274 ice_aq_manage_mac_write(struct ice_hw *hw, const u8 *mac_addr, u8 flags,
3275 struct ice_sq_cd *cd)
3276 {
3277 struct ice_aqc_manage_mac_write *cmd;
3278 struct libie_aq_desc desc;
3279
3280 cmd = libie_aq_raw(&desc);
3281 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_manage_mac_write);
3282
3283 cmd->flags = flags;
3284 ether_addr_copy(cmd->mac_addr, mac_addr);
3285
3286 return ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
3287 }
3288
3289 /**
3290 * ice_aq_clear_pxe_mode
3291 * @hw: pointer to the HW struct
3292 *
3293 * Tell the firmware that the driver is taking over from PXE (0x0110).
3294 */
ice_aq_clear_pxe_mode(struct ice_hw * hw)3295 static int ice_aq_clear_pxe_mode(struct ice_hw *hw)
3296 {
3297 struct ice_aqc_clear_pxe *cmd;
3298 struct libie_aq_desc desc;
3299
3300 cmd = libie_aq_raw(&desc);
3301 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_clear_pxe_mode);
3302 cmd->rx_cnt = ICE_AQC_CLEAR_PXE_RX_CNT;
3303
3304 return ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
3305 }
3306
3307 /**
3308 * ice_clear_pxe_mode - clear pxe operations mode
3309 * @hw: pointer to the HW struct
3310 *
3311 * Make sure all PXE mode settings are cleared, including things
3312 * like descriptor fetch/write-back mode.
3313 */
ice_clear_pxe_mode(struct ice_hw * hw)3314 void ice_clear_pxe_mode(struct ice_hw *hw)
3315 {
3316 if (ice_check_sq_alive(hw, &hw->adminq))
3317 ice_aq_clear_pxe_mode(hw);
3318 }
3319
3320 /**
3321 * ice_aq_set_port_params - set physical port parameters.
3322 * @pi: pointer to the port info struct
3323 * @double_vlan: if set double VLAN is enabled
3324 * @cd: pointer to command details structure or NULL
3325 *
3326 * Set Physical port parameters (0x0203)
3327 */
3328 int
ice_aq_set_port_params(struct ice_port_info * pi,bool double_vlan,struct ice_sq_cd * cd)3329 ice_aq_set_port_params(struct ice_port_info *pi, bool double_vlan,
3330 struct ice_sq_cd *cd)
3331
3332 {
3333 struct ice_aqc_set_port_params *cmd;
3334 struct ice_hw *hw = pi->hw;
3335 struct libie_aq_desc desc;
3336 u16 cmd_flags = 0;
3337
3338 cmd = libie_aq_raw(&desc);
3339
3340 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_port_params);
3341 if (double_vlan)
3342 cmd_flags |= ICE_AQC_SET_P_PARAMS_DOUBLE_VLAN_ENA;
3343 cmd->cmd_flags = cpu_to_le16(cmd_flags);
3344
3345 cmd->local_fwd_mode = pi->local_fwd_mode |
3346 ICE_AQC_SET_P_PARAMS_LOCAL_FWD_MODE_VALID;
3347
3348 return ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
3349 }
3350
3351 /**
3352 * ice_is_100m_speed_supported
3353 * @hw: pointer to the HW struct
3354 *
3355 * returns true if 100M speeds are supported by the device,
3356 * false otherwise.
3357 */
ice_is_100m_speed_supported(struct ice_hw * hw)3358 bool ice_is_100m_speed_supported(struct ice_hw *hw)
3359 {
3360 switch (hw->device_id) {
3361 case ICE_DEV_ID_E822C_SGMII:
3362 case ICE_DEV_ID_E822L_SGMII:
3363 case ICE_DEV_ID_E823L_1GBE:
3364 case ICE_DEV_ID_E823C_SGMII:
3365 case ICE_DEV_ID_E825C_SGMII:
3366 return true;
3367 default:
3368 return false;
3369 }
3370 }
3371
3372 /**
3373 * ice_get_link_speed_based_on_phy_type - returns link speed
3374 * @phy_type_low: lower part of phy_type
3375 * @phy_type_high: higher part of phy_type
3376 *
3377 * This helper function will convert an entry in PHY type structure
3378 * [phy_type_low, phy_type_high] to its corresponding link speed.
3379 * Note: In the structure of [phy_type_low, phy_type_high], there should
3380 * be one bit set, as this function will convert one PHY type to its
3381 * speed.
3382 *
3383 * Return:
3384 * * PHY speed for recognized PHY type
3385 * * If no bit gets set, ICE_AQ_LINK_SPEED_UNKNOWN will be returned
3386 * * If more than one bit gets set, ICE_AQ_LINK_SPEED_UNKNOWN will be returned
3387 */
ice_get_link_speed_based_on_phy_type(u64 phy_type_low,u64 phy_type_high)3388 u16 ice_get_link_speed_based_on_phy_type(u64 phy_type_low, u64 phy_type_high)
3389 {
3390 u16 speed_phy_type_high = ICE_AQ_LINK_SPEED_UNKNOWN;
3391 u16 speed_phy_type_low = ICE_AQ_LINK_SPEED_UNKNOWN;
3392
3393 switch (phy_type_low) {
3394 case ICE_PHY_TYPE_LOW_100BASE_TX:
3395 case ICE_PHY_TYPE_LOW_100M_SGMII:
3396 speed_phy_type_low = ICE_AQ_LINK_SPEED_100MB;
3397 break;
3398 case ICE_PHY_TYPE_LOW_1000BASE_T:
3399 case ICE_PHY_TYPE_LOW_1000BASE_SX:
3400 case ICE_PHY_TYPE_LOW_1000BASE_LX:
3401 case ICE_PHY_TYPE_LOW_1000BASE_KX:
3402 case ICE_PHY_TYPE_LOW_1G_SGMII:
3403 speed_phy_type_low = ICE_AQ_LINK_SPEED_1000MB;
3404 break;
3405 case ICE_PHY_TYPE_LOW_2500BASE_T:
3406 case ICE_PHY_TYPE_LOW_2500BASE_X:
3407 case ICE_PHY_TYPE_LOW_2500BASE_KX:
3408 speed_phy_type_low = ICE_AQ_LINK_SPEED_2500MB;
3409 break;
3410 case ICE_PHY_TYPE_LOW_5GBASE_T:
3411 case ICE_PHY_TYPE_LOW_5GBASE_KR:
3412 speed_phy_type_low = ICE_AQ_LINK_SPEED_5GB;
3413 break;
3414 case ICE_PHY_TYPE_LOW_10GBASE_T:
3415 case ICE_PHY_TYPE_LOW_10G_SFI_DA:
3416 case ICE_PHY_TYPE_LOW_10GBASE_SR:
3417 case ICE_PHY_TYPE_LOW_10GBASE_LR:
3418 case ICE_PHY_TYPE_LOW_10GBASE_KR_CR1:
3419 case ICE_PHY_TYPE_LOW_10G_SFI_AOC_ACC:
3420 case ICE_PHY_TYPE_LOW_10G_SFI_C2C:
3421 speed_phy_type_low = ICE_AQ_LINK_SPEED_10GB;
3422 break;
3423 case ICE_PHY_TYPE_LOW_25GBASE_T:
3424 case ICE_PHY_TYPE_LOW_25GBASE_CR:
3425 case ICE_PHY_TYPE_LOW_25GBASE_CR_S:
3426 case ICE_PHY_TYPE_LOW_25GBASE_CR1:
3427 case ICE_PHY_TYPE_LOW_25GBASE_SR:
3428 case ICE_PHY_TYPE_LOW_25GBASE_LR:
3429 case ICE_PHY_TYPE_LOW_25GBASE_KR:
3430 case ICE_PHY_TYPE_LOW_25GBASE_KR_S:
3431 case ICE_PHY_TYPE_LOW_25GBASE_KR1:
3432 case ICE_PHY_TYPE_LOW_25G_AUI_AOC_ACC:
3433 case ICE_PHY_TYPE_LOW_25G_AUI_C2C:
3434 speed_phy_type_low = ICE_AQ_LINK_SPEED_25GB;
3435 break;
3436 case ICE_PHY_TYPE_LOW_40GBASE_CR4:
3437 case ICE_PHY_TYPE_LOW_40GBASE_SR4:
3438 case ICE_PHY_TYPE_LOW_40GBASE_LR4:
3439 case ICE_PHY_TYPE_LOW_40GBASE_KR4:
3440 case ICE_PHY_TYPE_LOW_40G_XLAUI_AOC_ACC:
3441 case ICE_PHY_TYPE_LOW_40G_XLAUI:
3442 speed_phy_type_low = ICE_AQ_LINK_SPEED_40GB;
3443 break;
3444 case ICE_PHY_TYPE_LOW_50GBASE_CR2:
3445 case ICE_PHY_TYPE_LOW_50GBASE_SR2:
3446 case ICE_PHY_TYPE_LOW_50GBASE_LR2:
3447 case ICE_PHY_TYPE_LOW_50GBASE_KR2:
3448 case ICE_PHY_TYPE_LOW_50G_LAUI2_AOC_ACC:
3449 case ICE_PHY_TYPE_LOW_50G_LAUI2:
3450 case ICE_PHY_TYPE_LOW_50G_AUI2_AOC_ACC:
3451 case ICE_PHY_TYPE_LOW_50G_AUI2:
3452 case ICE_PHY_TYPE_LOW_50GBASE_CP:
3453 case ICE_PHY_TYPE_LOW_50GBASE_SR:
3454 case ICE_PHY_TYPE_LOW_50GBASE_FR:
3455 case ICE_PHY_TYPE_LOW_50GBASE_LR:
3456 case ICE_PHY_TYPE_LOW_50GBASE_KR_PAM4:
3457 case ICE_PHY_TYPE_LOW_50G_AUI1_AOC_ACC:
3458 case ICE_PHY_TYPE_LOW_50G_AUI1:
3459 speed_phy_type_low = ICE_AQ_LINK_SPEED_50GB;
3460 break;
3461 case ICE_PHY_TYPE_LOW_100GBASE_CR4:
3462 case ICE_PHY_TYPE_LOW_100GBASE_SR4:
3463 case ICE_PHY_TYPE_LOW_100GBASE_LR4:
3464 case ICE_PHY_TYPE_LOW_100GBASE_KR4:
3465 case ICE_PHY_TYPE_LOW_100G_CAUI4_AOC_ACC:
3466 case ICE_PHY_TYPE_LOW_100G_CAUI4:
3467 case ICE_PHY_TYPE_LOW_100G_AUI4_AOC_ACC:
3468 case ICE_PHY_TYPE_LOW_100G_AUI4:
3469 case ICE_PHY_TYPE_LOW_100GBASE_CR_PAM4:
3470 case ICE_PHY_TYPE_LOW_100GBASE_KR_PAM4:
3471 case ICE_PHY_TYPE_LOW_100GBASE_CP2:
3472 case ICE_PHY_TYPE_LOW_100GBASE_SR2:
3473 case ICE_PHY_TYPE_LOW_100GBASE_DR:
3474 speed_phy_type_low = ICE_AQ_LINK_SPEED_100GB;
3475 break;
3476 default:
3477 speed_phy_type_low = ICE_AQ_LINK_SPEED_UNKNOWN;
3478 break;
3479 }
3480
3481 switch (phy_type_high) {
3482 case ICE_PHY_TYPE_HIGH_100GBASE_KR2_PAM4:
3483 case ICE_PHY_TYPE_HIGH_100G_CAUI2_AOC_ACC:
3484 case ICE_PHY_TYPE_HIGH_100G_CAUI2:
3485 case ICE_PHY_TYPE_HIGH_100G_AUI2_AOC_ACC:
3486 case ICE_PHY_TYPE_HIGH_100G_AUI2:
3487 speed_phy_type_high = ICE_AQ_LINK_SPEED_100GB;
3488 break;
3489 case ICE_PHY_TYPE_HIGH_200G_CR4_PAM4:
3490 case ICE_PHY_TYPE_HIGH_200G_SR4:
3491 case ICE_PHY_TYPE_HIGH_200G_FR4:
3492 case ICE_PHY_TYPE_HIGH_200G_LR4:
3493 case ICE_PHY_TYPE_HIGH_200G_DR4:
3494 case ICE_PHY_TYPE_HIGH_200G_KR4_PAM4:
3495 case ICE_PHY_TYPE_HIGH_200G_AUI4_AOC_ACC:
3496 case ICE_PHY_TYPE_HIGH_200G_AUI4:
3497 speed_phy_type_high = ICE_AQ_LINK_SPEED_200GB;
3498 break;
3499 default:
3500 speed_phy_type_high = ICE_AQ_LINK_SPEED_UNKNOWN;
3501 break;
3502 }
3503
3504 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 ICE_AQ_LINK_SPEED_UNKNOWN;
3510 else if (speed_phy_type_low != ICE_AQ_LINK_SPEED_UNKNOWN &&
3511 speed_phy_type_high == ICE_AQ_LINK_SPEED_UNKNOWN)
3512 return speed_phy_type_low;
3513 else
3514 return speed_phy_type_high;
3515 }
3516
3517 /**
3518 * ice_update_phy_type
3519 * @phy_type_low: pointer to the lower part of phy_type
3520 * @phy_type_high: pointer to the higher part of phy_type
3521 * @link_speeds_bitmap: targeted link speeds bitmap
3522 *
3523 * Note: For the link_speeds_bitmap structure, you can check it at
3524 * [ice_aqc_get_link_status->link_speed]. Caller can pass in
3525 * link_speeds_bitmap include multiple speeds.
3526 *
3527 * Each entry in this [phy_type_low, phy_type_high] structure will
3528 * present a certain link speed. This helper function will turn on bits
3529 * in [phy_type_low, phy_type_high] structure based on the value of
3530 * link_speeds_bitmap input parameter.
3531 */
3532 void
ice_update_phy_type(u64 * phy_type_low,u64 * phy_type_high,u16 link_speeds_bitmap)3533 ice_update_phy_type(u64 *phy_type_low, u64 *phy_type_high,
3534 u16 link_speeds_bitmap)
3535 {
3536 u64 pt_high;
3537 u64 pt_low;
3538 int index;
3539 u16 speed;
3540
3541 /* We first check with low part of phy_type */
3542 for (index = 0; index <= ICE_PHY_TYPE_LOW_MAX_INDEX; index++) {
3543 pt_low = BIT_ULL(index);
3544 speed = ice_get_link_speed_based_on_phy_type(pt_low, 0);
3545
3546 if (link_speeds_bitmap & speed)
3547 *phy_type_low |= BIT_ULL(index);
3548 }
3549
3550 /* We then check with high part of phy_type */
3551 for (index = 0; index <= ICE_PHY_TYPE_HIGH_MAX_INDEX; index++) {
3552 pt_high = BIT_ULL(index);
3553 speed = ice_get_link_speed_based_on_phy_type(0, pt_high);
3554
3555 if (link_speeds_bitmap & speed)
3556 *phy_type_high |= BIT_ULL(index);
3557 }
3558 }
3559
3560 /**
3561 * ice_aq_set_phy_cfg
3562 * @hw: pointer to the HW struct
3563 * @pi: port info structure of the interested logical port
3564 * @cfg: structure with PHY configuration data to be set
3565 * @cd: pointer to command details structure or NULL
3566 *
3567 * Set the various PHY configuration parameters supported on the Port.
3568 * One or more of the Set PHY config parameters may be ignored in an MFP
3569 * mode as the PF may not have the privilege to set some of the PHY Config
3570 * parameters. This status will be indicated by the command response (0x0601).
3571 */
3572 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)3573 ice_aq_set_phy_cfg(struct ice_hw *hw, struct ice_port_info *pi,
3574 struct ice_aqc_set_phy_cfg_data *cfg, struct ice_sq_cd *cd)
3575 {
3576 struct ice_aqc_set_phy_cfg *cmd;
3577 struct libie_aq_desc desc;
3578 int status;
3579
3580 if (!cfg)
3581 return -EINVAL;
3582
3583 /* Ensure that only valid bits of cfg->caps can be turned on. */
3584 if (cfg->caps & ~ICE_AQ_PHY_ENA_VALID_MASK) {
3585 ice_debug(hw, ICE_DBG_PHY, "Invalid bit is set in ice_aqc_set_phy_cfg_data->caps : 0x%x\n",
3586 cfg->caps);
3587
3588 cfg->caps &= ICE_AQ_PHY_ENA_VALID_MASK;
3589 }
3590
3591 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_phy_cfg);
3592 cmd = libie_aq_raw(&desc);
3593 cmd->lport_num = pi->lport;
3594 desc.flags |= cpu_to_le16(LIBIE_AQ_FLAG_RD);
3595
3596 ice_debug(hw, ICE_DBG_LINK, "set phy cfg\n");
3597 ice_debug(hw, ICE_DBG_LINK, " phy_type_low = 0x%llx\n",
3598 (unsigned long long)le64_to_cpu(cfg->phy_type_low));
3599 ice_debug(hw, ICE_DBG_LINK, " phy_type_high = 0x%llx\n",
3600 (unsigned long long)le64_to_cpu(cfg->phy_type_high));
3601 ice_debug(hw, ICE_DBG_LINK, " caps = 0x%x\n", cfg->caps);
3602 ice_debug(hw, ICE_DBG_LINK, " low_power_ctrl_an = 0x%x\n",
3603 cfg->low_power_ctrl_an);
3604 ice_debug(hw, ICE_DBG_LINK, " eee_cap = 0x%x\n", cfg->eee_cap);
3605 ice_debug(hw, ICE_DBG_LINK, " eeer_value = 0x%x\n", cfg->eeer_value);
3606 ice_debug(hw, ICE_DBG_LINK, " link_fec_opt = 0x%x\n",
3607 cfg->link_fec_opt);
3608
3609 status = ice_aq_send_cmd(hw, &desc, cfg, sizeof(*cfg), cd);
3610 if (hw->adminq.sq_last_status == LIBIE_AQ_RC_EMODE)
3611 status = 0;
3612
3613 if (!status)
3614 pi->phy.curr_user_phy_cfg = *cfg;
3615
3616 return status;
3617 }
3618
3619 /**
3620 * ice_update_link_info - update status of the HW network link
3621 * @pi: port info structure of the interested logical port
3622 */
ice_update_link_info(struct ice_port_info * pi)3623 int ice_update_link_info(struct ice_port_info *pi)
3624 {
3625 struct ice_link_status *li;
3626 int status;
3627
3628 if (!pi)
3629 return -EINVAL;
3630
3631 li = &pi->phy.link_info;
3632
3633 status = ice_aq_get_link_info(pi, true, NULL, NULL);
3634 if (status)
3635 return status;
3636
3637 if (li->link_info & ICE_AQ_MEDIA_AVAILABLE) {
3638 struct ice_aqc_get_phy_caps_data *pcaps __free(kfree) = NULL;
3639
3640 pcaps = kzalloc_obj(*pcaps);
3641 if (!pcaps)
3642 return -ENOMEM;
3643
3644 status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_TOPO_CAP_MEDIA,
3645 pcaps, NULL);
3646 }
3647
3648 return status;
3649 }
3650
3651 /**
3652 * ice_aq_get_phy_equalization - function to read serdes equaliser
3653 * value from firmware using admin queue command.
3654 * @hw: pointer to the HW struct
3655 * @data_in: represents the serdes equalization parameter requested
3656 * @op_code: represents the serdes number and flag to represent tx or rx
3657 * @serdes_num: represents the serdes number
3658 * @output: pointer to the caller-supplied buffer to return serdes equaliser
3659 *
3660 * Return: non-zero status on error and 0 on success.
3661 */
ice_aq_get_phy_equalization(struct ice_hw * hw,u16 data_in,u16 op_code,u8 serdes_num,int * output)3662 int ice_aq_get_phy_equalization(struct ice_hw *hw, u16 data_in, u16 op_code,
3663 u8 serdes_num, int *output)
3664 {
3665 struct ice_aqc_dnl_call_command *cmd;
3666 struct ice_aqc_dnl_call buf = {};
3667 struct libie_aq_desc desc;
3668 int err;
3669
3670 buf.sto.txrx_equa_reqs.data_in = cpu_to_le16(data_in);
3671 buf.sto.txrx_equa_reqs.op_code_serdes_sel =
3672 cpu_to_le16(op_code | (serdes_num & 0xF));
3673 cmd = libie_aq_raw(&desc);
3674 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_dnl_call);
3675 desc.flags |= cpu_to_le16(LIBIE_AQ_FLAG_BUF |
3676 LIBIE_AQ_FLAG_RD |
3677 LIBIE_AQ_FLAG_SI);
3678 desc.datalen = cpu_to_le16(sizeof(struct ice_aqc_dnl_call));
3679 cmd->activity_id = cpu_to_le16(ICE_AQC_ACT_ID_DNL);
3680
3681 err = ice_aq_send_cmd(hw, &desc, &buf, sizeof(struct ice_aqc_dnl_call),
3682 NULL);
3683 *output = err ? 0 : buf.sto.txrx_equa_resp.val;
3684
3685 return err;
3686 }
3687
3688 #define FEC_REG_PORT(port) { \
3689 FEC_CORR_LOW_REG_PORT##port, \
3690 FEC_CORR_HIGH_REG_PORT##port, \
3691 FEC_UNCORR_LOW_REG_PORT##port, \
3692 FEC_UNCORR_HIGH_REG_PORT##port, \
3693 }
3694
3695 static const u32 fec_reg[][ICE_FEC_MAX] = {
3696 FEC_REG_PORT(0),
3697 FEC_REG_PORT(1),
3698 FEC_REG_PORT(2),
3699 FEC_REG_PORT(3)
3700 };
3701
3702 /**
3703 * ice_aq_get_fec_stats - reads fec stats from phy
3704 * @hw: pointer to the HW struct
3705 * @pcs_quad: represents pcsquad of user input serdes
3706 * @pcs_port: represents the pcs port number part of above pcs quad
3707 * @fec_type: represents FEC stats type
3708 * @output: pointer to the caller-supplied buffer to return requested fec stats
3709 *
3710 * Return: non-zero status on error and 0 on success.
3711 */
ice_aq_get_fec_stats(struct ice_hw * hw,u16 pcs_quad,u16 pcs_port,enum ice_fec_stats_types fec_type,u32 * output)3712 int ice_aq_get_fec_stats(struct ice_hw *hw, u16 pcs_quad, u16 pcs_port,
3713 enum ice_fec_stats_types fec_type, u32 *output)
3714 {
3715 u16 flag = (LIBIE_AQ_FLAG_RD | LIBIE_AQ_FLAG_BUF | LIBIE_AQ_FLAG_SI);
3716 struct ice_sbq_msg_input msg = {};
3717 u32 receiver_id, reg_offset;
3718 int err;
3719
3720 if (pcs_port > 3)
3721 return -EINVAL;
3722
3723 reg_offset = fec_reg[pcs_port][fec_type];
3724
3725 if (pcs_quad == 0)
3726 receiver_id = FEC_RECEIVER_ID_PCS0;
3727 else if (pcs_quad == 1)
3728 receiver_id = FEC_RECEIVER_ID_PCS1;
3729 else
3730 return -EINVAL;
3731
3732 msg.msg_addr_low = lower_16_bits(reg_offset);
3733 msg.msg_addr_high = receiver_id;
3734 msg.opcode = ice_sbq_msg_rd;
3735 msg.dest_dev = ice_sbq_dev_phy_0;
3736
3737 err = ice_sbq_rw_reg(hw, &msg, flag);
3738 if (err)
3739 return err;
3740
3741 *output = msg.data;
3742 return 0;
3743 }
3744
3745 /**
3746 * ice_cache_phy_user_req
3747 * @pi: port information structure
3748 * @cache_data: PHY logging data
3749 * @cache_mode: PHY logging mode
3750 *
3751 * Log the user request on (FC, FEC, SPEED) for later use.
3752 */
3753 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)3754 ice_cache_phy_user_req(struct ice_port_info *pi,
3755 struct ice_phy_cache_mode_data cache_data,
3756 enum ice_phy_cache_mode cache_mode)
3757 {
3758 if (!pi)
3759 return;
3760
3761 switch (cache_mode) {
3762 case ICE_FC_MODE:
3763 pi->phy.curr_user_fc_req = cache_data.data.curr_user_fc_req;
3764 break;
3765 case ICE_SPEED_MODE:
3766 pi->phy.curr_user_speed_req =
3767 cache_data.data.curr_user_speed_req;
3768 break;
3769 case ICE_FEC_MODE:
3770 pi->phy.curr_user_fec_req = cache_data.data.curr_user_fec_req;
3771 break;
3772 default:
3773 break;
3774 }
3775 }
3776
3777 /**
3778 * ice_caps_to_fc_mode
3779 * @caps: PHY capabilities
3780 *
3781 * Convert PHY FC capabilities to ice FC mode
3782 */
ice_caps_to_fc_mode(u8 caps)3783 enum ice_fc_mode ice_caps_to_fc_mode(u8 caps)
3784 {
3785 if (caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE &&
3786 caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE)
3787 return ICE_FC_FULL;
3788
3789 if (caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE)
3790 return ICE_FC_TX_PAUSE;
3791
3792 if (caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE)
3793 return ICE_FC_RX_PAUSE;
3794
3795 return ICE_FC_NONE;
3796 }
3797
3798 /**
3799 * ice_caps_to_fec_mode
3800 * @caps: PHY capabilities
3801 * @fec_options: Link FEC options
3802 *
3803 * Convert PHY FEC capabilities to ice FEC mode
3804 */
ice_caps_to_fec_mode(u8 caps,u8 fec_options)3805 enum ice_fec_mode ice_caps_to_fec_mode(u8 caps, u8 fec_options)
3806 {
3807 if (caps & ICE_AQC_PHY_EN_AUTO_FEC)
3808 return ICE_FEC_AUTO;
3809
3810 if (fec_options & (ICE_AQC_PHY_FEC_10G_KR_40G_KR4_EN |
3811 ICE_AQC_PHY_FEC_10G_KR_40G_KR4_REQ |
3812 ICE_AQC_PHY_FEC_25G_KR_CLAUSE74_EN |
3813 ICE_AQC_PHY_FEC_25G_KR_REQ))
3814 return ICE_FEC_BASER;
3815
3816 if (fec_options & (ICE_AQC_PHY_FEC_25G_RS_528_REQ |
3817 ICE_AQC_PHY_FEC_25G_RS_544_REQ |
3818 ICE_AQC_PHY_FEC_25G_RS_CLAUSE91_EN))
3819 return ICE_FEC_RS;
3820
3821 return ICE_FEC_NONE;
3822 }
3823
3824 /**
3825 * ice_cfg_phy_fc - Configure PHY FC data based on FC mode
3826 * @pi: port information structure
3827 * @cfg: PHY configuration data to set FC mode
3828 * @req_mode: FC mode to configure
3829 */
3830 int
ice_cfg_phy_fc(struct ice_port_info * pi,struct ice_aqc_set_phy_cfg_data * cfg,enum ice_fc_mode req_mode)3831 ice_cfg_phy_fc(struct ice_port_info *pi, struct ice_aqc_set_phy_cfg_data *cfg,
3832 enum ice_fc_mode req_mode)
3833 {
3834 struct ice_phy_cache_mode_data cache_data;
3835 u8 pause_mask = 0x0;
3836
3837 if (!pi || !cfg)
3838 return -EINVAL;
3839
3840 switch (req_mode) {
3841 case ICE_FC_FULL:
3842 pause_mask |= ICE_AQC_PHY_EN_TX_LINK_PAUSE;
3843 pause_mask |= ICE_AQC_PHY_EN_RX_LINK_PAUSE;
3844 break;
3845 case ICE_FC_RX_PAUSE:
3846 pause_mask |= ICE_AQC_PHY_EN_RX_LINK_PAUSE;
3847 break;
3848 case ICE_FC_TX_PAUSE:
3849 pause_mask |= ICE_AQC_PHY_EN_TX_LINK_PAUSE;
3850 break;
3851 default:
3852 break;
3853 }
3854
3855 /* clear the old pause settings */
3856 cfg->caps &= ~(ICE_AQC_PHY_EN_TX_LINK_PAUSE |
3857 ICE_AQC_PHY_EN_RX_LINK_PAUSE);
3858
3859 /* set the new capabilities */
3860 cfg->caps |= pause_mask;
3861
3862 /* Cache user FC request */
3863 cache_data.data.curr_user_fc_req = req_mode;
3864 ice_cache_phy_user_req(pi, cache_data, ICE_FC_MODE);
3865
3866 return 0;
3867 }
3868
3869 /**
3870 * ice_set_fc
3871 * @pi: port information structure
3872 * @aq_failures: pointer to status code, specific to ice_set_fc routine
3873 * @ena_auto_link_update: enable automatic link update
3874 *
3875 * Set the requested flow control mode.
3876 */
3877 int
ice_set_fc(struct ice_port_info * pi,u8 * aq_failures,bool ena_auto_link_update)3878 ice_set_fc(struct ice_port_info *pi, u8 *aq_failures, bool ena_auto_link_update)
3879 {
3880 struct ice_aqc_get_phy_caps_data *pcaps __free(kfree) = NULL;
3881 struct ice_aqc_set_phy_cfg_data cfg = { 0 };
3882 struct ice_hw *hw;
3883 int status;
3884
3885 if (!pi || !aq_failures)
3886 return -EINVAL;
3887
3888 hw = pi->hw;
3889
3890 pcaps = kzalloc_obj(*pcaps);
3891 if (!pcaps)
3892 return -ENOMEM;
3893
3894 /* Get the current PHY config */
3895 status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_ACTIVE_CFG,
3896 pcaps, NULL);
3897 if (status) {
3898 *aq_failures = ICE_SET_FC_AQ_FAIL_GET;
3899 goto out;
3900 }
3901
3902 ice_copy_phy_caps_to_cfg(pi, pcaps, &cfg);
3903
3904 /* Configure the set PHY data */
3905 status = ice_cfg_phy_fc(pi, &cfg, pi->fc.req_mode);
3906 if (status)
3907 goto out;
3908
3909 /* If the capabilities have changed, then set the new config */
3910 if (cfg.caps != pcaps->caps) {
3911 int retry_count, retry_max = 10;
3912
3913 /* Auto restart link so settings take effect */
3914 if (ena_auto_link_update)
3915 cfg.caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT;
3916
3917 status = ice_aq_set_phy_cfg(hw, pi, &cfg, NULL);
3918 if (status) {
3919 *aq_failures = ICE_SET_FC_AQ_FAIL_SET;
3920 goto out;
3921 }
3922
3923 /* Update the link info
3924 * It sometimes takes a really long time for link to
3925 * come back from the atomic reset. Thus, we wait a
3926 * little bit.
3927 */
3928 for (retry_count = 0; retry_count < retry_max; retry_count++) {
3929 status = ice_update_link_info(pi);
3930
3931 if (!status)
3932 break;
3933
3934 mdelay(100);
3935 }
3936
3937 if (status)
3938 *aq_failures = ICE_SET_FC_AQ_FAIL_UPDATE;
3939 }
3940
3941 out:
3942 return status;
3943 }
3944
3945 /**
3946 * ice_phy_caps_equals_cfg
3947 * @phy_caps: PHY capabilities
3948 * @phy_cfg: PHY configuration
3949 *
3950 * Helper function to determine if PHY capabilities matches PHY
3951 * configuration
3952 */
3953 bool
ice_phy_caps_equals_cfg(struct ice_aqc_get_phy_caps_data * phy_caps,struct ice_aqc_set_phy_cfg_data * phy_cfg)3954 ice_phy_caps_equals_cfg(struct ice_aqc_get_phy_caps_data *phy_caps,
3955 struct ice_aqc_set_phy_cfg_data *phy_cfg)
3956 {
3957 u8 caps_mask, cfg_mask;
3958
3959 if (!phy_caps || !phy_cfg)
3960 return false;
3961
3962 /* These bits are not common between capabilities and configuration.
3963 * Do not use them to determine equality.
3964 */
3965 caps_mask = ICE_AQC_PHY_CAPS_MASK & ~(ICE_AQC_PHY_AN_MODE |
3966 ICE_AQC_GET_PHY_EN_MOD_QUAL);
3967 cfg_mask = ICE_AQ_PHY_ENA_VALID_MASK & ~ICE_AQ_PHY_ENA_AUTO_LINK_UPDT;
3968
3969 if (phy_caps->phy_type_low != phy_cfg->phy_type_low ||
3970 phy_caps->phy_type_high != phy_cfg->phy_type_high ||
3971 ((phy_caps->caps & caps_mask) != (phy_cfg->caps & cfg_mask)) ||
3972 phy_caps->low_power_ctrl_an != phy_cfg->low_power_ctrl_an ||
3973 phy_caps->eee_cap != phy_cfg->eee_cap ||
3974 phy_caps->eeer_value != phy_cfg->eeer_value ||
3975 phy_caps->link_fec_options != phy_cfg->link_fec_opt)
3976 return false;
3977
3978 return true;
3979 }
3980
3981 /**
3982 * ice_copy_phy_caps_to_cfg - Copy PHY ability data to configuration data
3983 * @pi: port information structure
3984 * @caps: PHY ability structure to copy date from
3985 * @cfg: PHY configuration structure to copy data to
3986 *
3987 * Helper function to copy AQC PHY get ability data to PHY set configuration
3988 * data structure
3989 */
3990 void
ice_copy_phy_caps_to_cfg(struct ice_port_info * pi,struct ice_aqc_get_phy_caps_data * caps,struct ice_aqc_set_phy_cfg_data * cfg)3991 ice_copy_phy_caps_to_cfg(struct ice_port_info *pi,
3992 struct ice_aqc_get_phy_caps_data *caps,
3993 struct ice_aqc_set_phy_cfg_data *cfg)
3994 {
3995 if (!pi || !caps || !cfg)
3996 return;
3997
3998 memset(cfg, 0, sizeof(*cfg));
3999 cfg->phy_type_low = caps->phy_type_low;
4000 cfg->phy_type_high = caps->phy_type_high;
4001 cfg->caps = caps->caps;
4002 cfg->low_power_ctrl_an = caps->low_power_ctrl_an;
4003 cfg->eee_cap = caps->eee_cap;
4004 cfg->eeer_value = caps->eeer_value;
4005 cfg->link_fec_opt = caps->link_fec_options;
4006 cfg->module_compliance_enforcement =
4007 caps->module_compliance_enforcement;
4008 }
4009
4010 /**
4011 * ice_cfg_phy_fec - Configure PHY FEC data based on FEC mode
4012 * @pi: port information structure
4013 * @cfg: PHY configuration data to set FEC mode
4014 * @fec: FEC mode to configure
4015 */
4016 int
ice_cfg_phy_fec(struct ice_port_info * pi,struct ice_aqc_set_phy_cfg_data * cfg,enum ice_fec_mode fec)4017 ice_cfg_phy_fec(struct ice_port_info *pi, struct ice_aqc_set_phy_cfg_data *cfg,
4018 enum ice_fec_mode fec)
4019 {
4020 struct ice_aqc_get_phy_caps_data *pcaps __free(kfree) = NULL;
4021 struct ice_hw *hw;
4022 int status;
4023
4024 if (!pi || !cfg)
4025 return -EINVAL;
4026
4027 hw = pi->hw;
4028
4029 pcaps = kzalloc_obj(*pcaps);
4030 if (!pcaps)
4031 return -ENOMEM;
4032
4033 status = ice_aq_get_phy_caps(pi, false,
4034 (ice_fw_supports_report_dflt_cfg(hw) ?
4035 ICE_AQC_REPORT_DFLT_CFG :
4036 ICE_AQC_REPORT_TOPO_CAP_MEDIA), pcaps, NULL);
4037 if (status)
4038 goto out;
4039
4040 cfg->caps |= pcaps->caps & ICE_AQC_PHY_EN_AUTO_FEC;
4041 cfg->link_fec_opt = pcaps->link_fec_options;
4042
4043 switch (fec) {
4044 case ICE_FEC_BASER:
4045 /* Clear RS bits, and AND BASE-R ability
4046 * bits and OR request bits.
4047 */
4048 cfg->link_fec_opt &= ICE_AQC_PHY_FEC_10G_KR_40G_KR4_EN |
4049 ICE_AQC_PHY_FEC_25G_KR_CLAUSE74_EN;
4050 cfg->link_fec_opt |= ICE_AQC_PHY_FEC_10G_KR_40G_KR4_REQ |
4051 ICE_AQC_PHY_FEC_25G_KR_REQ;
4052 break;
4053 case ICE_FEC_RS:
4054 /* Clear BASE-R bits, and AND RS ability
4055 * bits and OR request bits.
4056 */
4057 cfg->link_fec_opt &= ICE_AQC_PHY_FEC_25G_RS_CLAUSE91_EN;
4058 cfg->link_fec_opt |= ICE_AQC_PHY_FEC_25G_RS_528_REQ |
4059 ICE_AQC_PHY_FEC_25G_RS_544_REQ;
4060 break;
4061 case ICE_FEC_NONE:
4062 /* Clear all FEC option bits. */
4063 cfg->link_fec_opt &= ~ICE_AQC_PHY_FEC_MASK;
4064 break;
4065 case ICE_FEC_AUTO:
4066 /* AND auto FEC bit, and all caps bits. */
4067 cfg->caps &= ICE_AQC_PHY_CAPS_MASK;
4068 cfg->link_fec_opt |= pcaps->link_fec_options;
4069 break;
4070 default:
4071 status = -EINVAL;
4072 break;
4073 }
4074
4075 if (fec == ICE_FEC_AUTO && ice_fw_supports_link_override(hw) &&
4076 !ice_fw_supports_report_dflt_cfg(hw)) {
4077 struct ice_link_default_override_tlv tlv = { 0 };
4078
4079 status = ice_get_link_default_override(&tlv, pi);
4080 if (status)
4081 goto out;
4082
4083 if (!(tlv.options & ICE_LINK_OVERRIDE_STRICT_MODE) &&
4084 (tlv.options & ICE_LINK_OVERRIDE_EN))
4085 cfg->link_fec_opt = tlv.fec_options;
4086 }
4087
4088 out:
4089 return status;
4090 }
4091
4092 /**
4093 * ice_get_link_status - get status of the HW network link
4094 * @pi: port information structure
4095 * @link_up: pointer to bool (true/false = linkup/linkdown)
4096 *
4097 * Variable link_up is true if link is up, false if link is down.
4098 * The variable link_up is invalid if status is non zero. As a
4099 * result of this call, link status reporting becomes enabled
4100 */
ice_get_link_status(struct ice_port_info * pi,bool * link_up)4101 int ice_get_link_status(struct ice_port_info *pi, bool *link_up)
4102 {
4103 struct ice_phy_info *phy_info;
4104 int status = 0;
4105
4106 if (!pi || !link_up)
4107 return -EINVAL;
4108
4109 phy_info = &pi->phy;
4110
4111 if (phy_info->get_link_info) {
4112 status = ice_update_link_info(pi);
4113
4114 if (status)
4115 ice_debug(pi->hw, ICE_DBG_LINK, "get link status error, status = %d\n",
4116 status);
4117 }
4118
4119 *link_up = phy_info->link_info.link_info & ICE_AQ_LINK_UP;
4120
4121 return status;
4122 }
4123
4124 /**
4125 * ice_aq_set_link_restart_an
4126 * @pi: pointer to the port information structure
4127 * @ena_link: if true: enable link, if false: disable link
4128 * @cd: pointer to command details structure or NULL
4129 * @refclk: the new TX reference clock, 0 if no change
4130 *
4131 * Sets up the link and restarts the Auto-Negotiation over the link.
4132 */
4133 int
ice_aq_set_link_restart_an(struct ice_port_info * pi,bool ena_link,struct ice_sq_cd * cd,u8 refclk)4134 ice_aq_set_link_restart_an(struct ice_port_info *pi, bool ena_link,
4135 struct ice_sq_cd *cd, u8 refclk)
4136 {
4137 struct ice_aqc_restart_an *cmd;
4138 struct libie_aq_desc desc;
4139
4140 cmd = libie_aq_raw(&desc);
4141
4142 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_restart_an);
4143
4144 cmd->cmd_flags = ICE_AQC_RESTART_AN_LINK_RESTART;
4145 cmd->lport_num = pi->lport;
4146 if (ena_link)
4147 cmd->cmd_flags |= ICE_AQC_RESTART_AN_LINK_ENABLE;
4148 else
4149 cmd->cmd_flags &= ~ICE_AQC_RESTART_AN_LINK_ENABLE;
4150
4151 cmd->cmd_flags |= FIELD_PREP(ICE_AQC_RESTART_AN_REFCLK_M, refclk);
4152
4153 return ice_aq_send_cmd(pi->hw, &desc, NULL, 0, cd);
4154 }
4155
4156 /**
4157 * ice_aq_set_event_mask
4158 * @hw: pointer to the HW struct
4159 * @port_num: port number of the physical function
4160 * @mask: event mask to be set
4161 * @cd: pointer to command details structure or NULL
4162 *
4163 * Set event mask (0x0613)
4164 */
4165 int
ice_aq_set_event_mask(struct ice_hw * hw,u8 port_num,u16 mask,struct ice_sq_cd * cd)4166 ice_aq_set_event_mask(struct ice_hw *hw, u8 port_num, u16 mask,
4167 struct ice_sq_cd *cd)
4168 {
4169 struct ice_aqc_set_event_mask *cmd;
4170 struct libie_aq_desc desc;
4171
4172 cmd = libie_aq_raw(&desc);
4173
4174 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_event_mask);
4175
4176 cmd->lport_num = port_num;
4177
4178 cmd->event_mask = cpu_to_le16(mask);
4179 return ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
4180 }
4181
4182 /**
4183 * ice_aq_set_mac_loopback
4184 * @hw: pointer to the HW struct
4185 * @ena_lpbk: Enable or Disable loopback
4186 * @cd: pointer to command details structure or NULL
4187 *
4188 * Enable/disable loopback on a given port
4189 */
4190 int
ice_aq_set_mac_loopback(struct ice_hw * hw,bool ena_lpbk,struct ice_sq_cd * cd)4191 ice_aq_set_mac_loopback(struct ice_hw *hw, bool ena_lpbk, struct ice_sq_cd *cd)
4192 {
4193 struct ice_aqc_set_mac_lb *cmd;
4194 struct libie_aq_desc desc;
4195
4196 cmd = libie_aq_raw(&desc);
4197
4198 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_mac_lb);
4199 if (ena_lpbk)
4200 cmd->lb_mode = ICE_AQ_MAC_LB_EN;
4201
4202 return ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
4203 }
4204
4205 /**
4206 * ice_aq_set_port_id_led
4207 * @pi: pointer to the port information
4208 * @is_orig_mode: is this LED set to original mode (by the net-list)
4209 * @cd: pointer to command details structure or NULL
4210 *
4211 * Set LED value for the given port (0x06e9)
4212 */
4213 int
ice_aq_set_port_id_led(struct ice_port_info * pi,bool is_orig_mode,struct ice_sq_cd * cd)4214 ice_aq_set_port_id_led(struct ice_port_info *pi, bool is_orig_mode,
4215 struct ice_sq_cd *cd)
4216 {
4217 struct ice_aqc_set_port_id_led *cmd;
4218 struct ice_hw *hw = pi->hw;
4219 struct libie_aq_desc desc;
4220
4221 cmd = libie_aq_raw(&desc);
4222
4223 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_port_id_led);
4224
4225 if (is_orig_mode)
4226 cmd->ident_mode = ICE_AQC_PORT_IDENT_LED_ORIG;
4227 else
4228 cmd->ident_mode = ICE_AQC_PORT_IDENT_LED_BLINK;
4229
4230 return ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
4231 }
4232
4233 /**
4234 * ice_aq_get_port_options
4235 * @hw: pointer to the HW struct
4236 * @options: buffer for the resultant port options
4237 * @option_count: input - size of the buffer in port options structures,
4238 * output - number of returned port options
4239 * @lport: logical port to call the command with (optional)
4240 * @lport_valid: when false, FW uses port owned by the PF instead of lport,
4241 * when PF owns more than 1 port it must be true
4242 * @active_option_idx: index of active port option in returned buffer
4243 * @active_option_valid: active option in returned buffer is valid
4244 * @pending_option_idx: index of pending port option in returned buffer
4245 * @pending_option_valid: pending option in returned buffer is valid
4246 *
4247 * Calls Get Port Options AQC (0x06ea) and verifies result.
4248 */
4249 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)4250 ice_aq_get_port_options(struct ice_hw *hw,
4251 struct ice_aqc_get_port_options_elem *options,
4252 u8 *option_count, u8 lport, bool lport_valid,
4253 u8 *active_option_idx, bool *active_option_valid,
4254 u8 *pending_option_idx, bool *pending_option_valid)
4255 {
4256 struct ice_aqc_get_port_options *cmd;
4257 struct libie_aq_desc desc;
4258 int status;
4259 u8 i;
4260
4261 /* options buffer shall be able to hold max returned options */
4262 if (*option_count < ICE_AQC_PORT_OPT_COUNT_M)
4263 return -EINVAL;
4264
4265 cmd = libie_aq_raw(&desc);
4266 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_port_options);
4267
4268 if (lport_valid)
4269 cmd->lport_num = lport;
4270 cmd->lport_num_valid = lport_valid;
4271
4272 status = ice_aq_send_cmd(hw, &desc, options,
4273 *option_count * sizeof(*options), NULL);
4274 if (status)
4275 return status;
4276
4277 /* verify direct FW response & set output parameters */
4278 *option_count = FIELD_GET(ICE_AQC_PORT_OPT_COUNT_M,
4279 cmd->port_options_count);
4280 ice_debug(hw, ICE_DBG_PHY, "options: %x\n", *option_count);
4281 *active_option_valid = FIELD_GET(ICE_AQC_PORT_OPT_VALID,
4282 cmd->port_options);
4283 if (*active_option_valid) {
4284 *active_option_idx = FIELD_GET(ICE_AQC_PORT_OPT_ACTIVE_M,
4285 cmd->port_options);
4286 if (*active_option_idx > (*option_count - 1))
4287 return -EIO;
4288 ice_debug(hw, ICE_DBG_PHY, "active idx: %x\n",
4289 *active_option_idx);
4290 }
4291
4292 *pending_option_valid = FIELD_GET(ICE_AQC_PENDING_PORT_OPT_VALID,
4293 cmd->pending_port_option_status);
4294 if (*pending_option_valid) {
4295 *pending_option_idx = FIELD_GET(ICE_AQC_PENDING_PORT_OPT_IDX_M,
4296 cmd->pending_port_option_status);
4297 if (*pending_option_idx > (*option_count - 1))
4298 return -EIO;
4299 ice_debug(hw, ICE_DBG_PHY, "pending idx: %x\n",
4300 *pending_option_idx);
4301 }
4302
4303 /* mask output options fields */
4304 for (i = 0; i < *option_count; i++) {
4305 options[i].pmd = FIELD_GET(ICE_AQC_PORT_OPT_PMD_COUNT_M,
4306 options[i].pmd);
4307 options[i].max_lane_speed = FIELD_GET(ICE_AQC_PORT_OPT_MAX_LANE_M,
4308 options[i].max_lane_speed);
4309 ice_debug(hw, ICE_DBG_PHY, "pmds: %x max speed: %x\n",
4310 options[i].pmd, options[i].max_lane_speed);
4311 }
4312
4313 return 0;
4314 }
4315
4316 /**
4317 * ice_aq_set_port_option
4318 * @hw: pointer to the HW struct
4319 * @lport: logical port to call the command with
4320 * @lport_valid: when false, FW uses port owned by the PF instead of lport,
4321 * when PF owns more than 1 port it must be true
4322 * @new_option: new port option to be written
4323 *
4324 * Calls Set Port Options AQC (0x06eb).
4325 */
4326 int
ice_aq_set_port_option(struct ice_hw * hw,u8 lport,u8 lport_valid,u8 new_option)4327 ice_aq_set_port_option(struct ice_hw *hw, u8 lport, u8 lport_valid,
4328 u8 new_option)
4329 {
4330 struct ice_aqc_set_port_option *cmd;
4331 struct libie_aq_desc desc;
4332
4333 if (new_option > ICE_AQC_PORT_OPT_COUNT_M)
4334 return -EINVAL;
4335
4336 cmd = libie_aq_raw(&desc);
4337 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_port_option);
4338
4339 if (lport_valid)
4340 cmd->lport_num = lport;
4341
4342 cmd->lport_num_valid = lport_valid;
4343 cmd->selected_port_option = new_option;
4344
4345 return ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
4346 }
4347
4348 /**
4349 * ice_get_phy_lane_number - Get PHY lane number for current adapter
4350 * @hw: pointer to the hw struct
4351 *
4352 * Return: PHY lane number on success, negative error code otherwise.
4353 */
ice_get_phy_lane_number(struct ice_hw * hw)4354 int ice_get_phy_lane_number(struct ice_hw *hw)
4355 {
4356 struct ice_aqc_get_port_options_elem *options;
4357 unsigned int lport = 0;
4358 unsigned int lane;
4359 int err;
4360
4361 /* E82X does not have sequential IDs, lane number is PF ID.
4362 * For E825 device, the exception is the variant with external
4363 * PHY (0x579F), in which there is also 1:1 pf_id -> lane_number
4364 * mapping.
4365 */
4366 if (hw->mac_type == ICE_MAC_GENERIC ||
4367 hw->device_id == ICE_DEV_ID_E825C_SGMII)
4368 return hw->pf_id;
4369
4370 options = kzalloc_objs(*options, ICE_AQC_PORT_OPT_MAX);
4371 if (!options)
4372 return -ENOMEM;
4373
4374 for (lane = 0; lane < ICE_MAX_PORT_PER_PCI_DEV; lane++) {
4375 u8 options_count = ICE_AQC_PORT_OPT_MAX;
4376 u8 speed, active_idx, pending_idx;
4377 bool active_valid, pending_valid;
4378
4379 err = ice_aq_get_port_options(hw, options, &options_count, lane,
4380 true, &active_idx, &active_valid,
4381 &pending_idx, &pending_valid);
4382 if (err)
4383 goto err;
4384
4385 if (!active_valid)
4386 continue;
4387
4388 speed = options[active_idx].max_lane_speed;
4389 /* If we don't get speed for this lane, it's unoccupied */
4390 if (speed > ICE_AQC_PORT_OPT_MAX_LANE_40G)
4391 continue;
4392
4393 if (hw->pf_id == lport) {
4394 if (hw->mac_type == ICE_MAC_GENERIC_3K_E825 &&
4395 ice_is_dual(hw) && !ice_is_primary(hw))
4396 lane += ICE_PORTS_PER_QUAD;
4397 kfree(options);
4398 return lane;
4399 }
4400 lport++;
4401 }
4402
4403 /* PHY lane not found */
4404 err = -ENXIO;
4405 err:
4406 kfree(options);
4407 return err;
4408 }
4409
4410 /**
4411 * ice_aq_sff_eeprom
4412 * @hw: pointer to the HW struct
4413 * @lport: bits [7:0] = logical port, bit [8] = logical port valid
4414 * @bus_addr: I2C bus address of the eeprom (typically 0xA0, 0=topo default)
4415 * @mem_addr: I2C offset. lower 8 bits for address, 8 upper bits zero padding.
4416 * @page: QSFP page
4417 * @set_page: set or ignore the page
4418 * @data: pointer to data buffer to be read/written to the I2C device.
4419 * @length: 1-16 for read, 1 for write.
4420 * @write: 0 read, 1 for write.
4421 * @cd: pointer to command details structure or NULL
4422 *
4423 * Read/Write SFF EEPROM (0x06EE)
4424 */
4425 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)4426 ice_aq_sff_eeprom(struct ice_hw *hw, u16 lport, u8 bus_addr,
4427 u16 mem_addr, u8 page, u8 set_page, u8 *data, u8 length,
4428 bool write, struct ice_sq_cd *cd)
4429 {
4430 struct ice_aqc_sff_eeprom *cmd;
4431 struct libie_aq_desc desc;
4432 u16 i2c_bus_addr;
4433 int status;
4434
4435 if (!data || (mem_addr & 0xff00))
4436 return -EINVAL;
4437
4438 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_sff_eeprom);
4439 cmd = libie_aq_raw(&desc);
4440 desc.flags = cpu_to_le16(LIBIE_AQ_FLAG_RD);
4441 cmd->lport_num = (u8)(lport & 0xff);
4442 cmd->lport_num_valid = (u8)((lport >> 8) & 0x01);
4443 i2c_bus_addr = FIELD_PREP(ICE_AQC_SFF_I2CBUS_7BIT_M, bus_addr >> 1) |
4444 FIELD_PREP(ICE_AQC_SFF_SET_EEPROM_PAGE_M, set_page);
4445 if (write)
4446 i2c_bus_addr |= ICE_AQC_SFF_IS_WRITE;
4447 cmd->i2c_bus_addr = cpu_to_le16(i2c_bus_addr);
4448 cmd->i2c_mem_addr = cpu_to_le16(mem_addr & 0xff);
4449 cmd->eeprom_page = le16_encode_bits(page, ICE_AQC_SFF_EEPROM_PAGE_M);
4450
4451 status = ice_aq_send_cmd(hw, &desc, data, length, cd);
4452 return status;
4453 }
4454
ice_lut_type_to_size(enum ice_lut_type type)4455 static enum ice_lut_size ice_lut_type_to_size(enum ice_lut_type type)
4456 {
4457 switch (type) {
4458 case ICE_LUT_VSI:
4459 return ICE_LUT_VSI_SIZE;
4460 case ICE_LUT_GLOBAL:
4461 return ICE_LUT_GLOBAL_SIZE;
4462 case ICE_LUT_PF:
4463 return ICE_LUT_PF_SIZE;
4464 }
4465 WARN_ONCE(1, "incorrect type passed");
4466 return ICE_LUT_VSI_SIZE;
4467 }
4468
ice_lut_size_to_flag(enum ice_lut_size size)4469 static enum ice_aqc_lut_flags ice_lut_size_to_flag(enum ice_lut_size size)
4470 {
4471 switch (size) {
4472 case ICE_LUT_VSI_SIZE:
4473 return ICE_AQC_LUT_SIZE_SMALL;
4474 case ICE_LUT_GLOBAL_SIZE:
4475 return ICE_AQC_LUT_SIZE_512;
4476 case ICE_LUT_PF_SIZE:
4477 return ICE_AQC_LUT_SIZE_2K;
4478 }
4479 WARN_ONCE(1, "incorrect size passed");
4480 return 0;
4481 }
4482
4483 /**
4484 * __ice_aq_get_set_rss_lut
4485 * @hw: pointer to the hardware structure
4486 * @params: RSS LUT parameters
4487 * @set: set true to set the table, false to get the table
4488 *
4489 * Internal function to get (0x0B05) or set (0x0B03) RSS look up table
4490 */
4491 static int
__ice_aq_get_set_rss_lut(struct ice_hw * hw,struct ice_aq_get_set_rss_lut_params * params,bool set)4492 __ice_aq_get_set_rss_lut(struct ice_hw *hw,
4493 struct ice_aq_get_set_rss_lut_params *params, bool set)
4494 {
4495 u16 opcode, vsi_id, vsi_handle = params->vsi_handle, glob_lut_idx = 0;
4496 enum ice_lut_type lut_type = params->lut_type;
4497 struct ice_aqc_get_set_rss_lut *desc_params;
4498 enum ice_aqc_lut_flags flags;
4499 enum ice_lut_size lut_size;
4500 struct libie_aq_desc desc;
4501 u8 *lut = params->lut;
4502
4503
4504 if (!lut || !ice_is_vsi_valid(hw, vsi_handle))
4505 return -EINVAL;
4506
4507 lut_size = ice_lut_type_to_size(lut_type);
4508 if (lut_size > params->lut_size)
4509 return -EINVAL;
4510 else if (set && lut_size != params->lut_size)
4511 return -EINVAL;
4512
4513 opcode = set ? ice_aqc_opc_set_rss_lut : ice_aqc_opc_get_rss_lut;
4514 ice_fill_dflt_direct_cmd_desc(&desc, opcode);
4515 if (set)
4516 desc.flags |= cpu_to_le16(LIBIE_AQ_FLAG_RD);
4517
4518 desc_params = libie_aq_raw(&desc);
4519 vsi_id = ice_get_hw_vsi_num(hw, vsi_handle);
4520 desc_params->vsi_id = cpu_to_le16(vsi_id | ICE_AQC_RSS_VSI_VALID);
4521
4522 if (lut_type == ICE_LUT_GLOBAL)
4523 glob_lut_idx = FIELD_PREP(ICE_AQC_LUT_GLOBAL_IDX,
4524 params->global_lut_id);
4525
4526 flags = lut_type | glob_lut_idx | ice_lut_size_to_flag(lut_size);
4527 desc_params->flags = cpu_to_le16(flags);
4528
4529 return ice_aq_send_cmd(hw, &desc, lut, lut_size, NULL);
4530 }
4531
4532 /**
4533 * ice_aq_get_rss_lut
4534 * @hw: pointer to the hardware structure
4535 * @get_params: RSS LUT parameters used to specify which RSS LUT to get
4536 *
4537 * get the RSS lookup table, PF or VSI type
4538 */
4539 int
ice_aq_get_rss_lut(struct ice_hw * hw,struct ice_aq_get_set_rss_lut_params * get_params)4540 ice_aq_get_rss_lut(struct ice_hw *hw, struct ice_aq_get_set_rss_lut_params *get_params)
4541 {
4542 return __ice_aq_get_set_rss_lut(hw, get_params, false);
4543 }
4544
4545 /**
4546 * ice_aq_set_rss_lut
4547 * @hw: pointer to the hardware structure
4548 * @set_params: RSS LUT parameters used to specify how to set the RSS LUT
4549 *
4550 * set the RSS lookup table, PF or VSI type
4551 */
4552 int
ice_aq_set_rss_lut(struct ice_hw * hw,struct ice_aq_get_set_rss_lut_params * set_params)4553 ice_aq_set_rss_lut(struct ice_hw *hw, struct ice_aq_get_set_rss_lut_params *set_params)
4554 {
4555 return __ice_aq_get_set_rss_lut(hw, set_params, true);
4556 }
4557
4558 /**
4559 * __ice_aq_get_set_rss_key
4560 * @hw: pointer to the HW struct
4561 * @vsi_id: VSI FW index
4562 * @key: pointer to key info struct
4563 * @set: set true to set the key, false to get the key
4564 *
4565 * get (0x0B04) or set (0x0B02) the RSS key per VSI
4566 */
4567 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)4568 __ice_aq_get_set_rss_key(struct ice_hw *hw, u16 vsi_id,
4569 struct ice_aqc_get_set_rss_keys *key, bool set)
4570 {
4571 struct ice_aqc_get_set_rss_key *desc_params;
4572 u16 key_size = sizeof(*key);
4573 struct libie_aq_desc desc;
4574
4575 if (set) {
4576 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_rss_key);
4577 desc.flags |= cpu_to_le16(LIBIE_AQ_FLAG_RD);
4578 } else {
4579 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_rss_key);
4580 }
4581
4582 desc_params = libie_aq_raw(&desc);
4583 desc_params->vsi_id = cpu_to_le16(vsi_id | ICE_AQC_RSS_VSI_VALID);
4584
4585 return ice_aq_send_cmd(hw, &desc, key, key_size, NULL);
4586 }
4587
4588 /**
4589 * ice_aq_get_rss_key
4590 * @hw: pointer to the HW struct
4591 * @vsi_handle: software VSI handle
4592 * @key: pointer to key info struct
4593 *
4594 * get the RSS key per VSI
4595 */
4596 int
ice_aq_get_rss_key(struct ice_hw * hw,u16 vsi_handle,struct ice_aqc_get_set_rss_keys * key)4597 ice_aq_get_rss_key(struct ice_hw *hw, u16 vsi_handle,
4598 struct ice_aqc_get_set_rss_keys *key)
4599 {
4600 if (!ice_is_vsi_valid(hw, vsi_handle) || !key)
4601 return -EINVAL;
4602
4603 return __ice_aq_get_set_rss_key(hw, ice_get_hw_vsi_num(hw, vsi_handle),
4604 key, false);
4605 }
4606
4607 /**
4608 * ice_aq_set_rss_key
4609 * @hw: pointer to the HW struct
4610 * @vsi_handle: software VSI handle
4611 * @keys: pointer to key info struct
4612 *
4613 * set the RSS key per VSI
4614 */
4615 int
ice_aq_set_rss_key(struct ice_hw * hw,u16 vsi_handle,struct ice_aqc_get_set_rss_keys * keys)4616 ice_aq_set_rss_key(struct ice_hw *hw, u16 vsi_handle,
4617 struct ice_aqc_get_set_rss_keys *keys)
4618 {
4619 if (!ice_is_vsi_valid(hw, vsi_handle) || !keys)
4620 return -EINVAL;
4621
4622 return __ice_aq_get_set_rss_key(hw, ice_get_hw_vsi_num(hw, vsi_handle),
4623 keys, true);
4624 }
4625
4626 /**
4627 * ice_aq_add_lan_txq
4628 * @hw: pointer to the hardware structure
4629 * @num_qgrps: Number of added queue groups
4630 * @qg_list: list of queue groups to be added
4631 * @buf_size: size of buffer for indirect command
4632 * @cd: pointer to command details structure or NULL
4633 *
4634 * Add Tx LAN queue (0x0C30)
4635 *
4636 * NOTE:
4637 * Prior to calling add Tx LAN queue:
4638 * Initialize the following as part of the Tx queue context:
4639 * Completion queue ID if the queue uses Completion queue, Quanta profile,
4640 * Cache profile and Packet shaper profile.
4641 *
4642 * After add Tx LAN queue AQ command is completed:
4643 * Interrupts should be associated with specific queues,
4644 * Association of Tx queue to Doorbell queue is not part of Add LAN Tx queue
4645 * flow.
4646 */
4647 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)4648 ice_aq_add_lan_txq(struct ice_hw *hw, u8 num_qgrps,
4649 struct ice_aqc_add_tx_qgrp *qg_list, u16 buf_size,
4650 struct ice_sq_cd *cd)
4651 {
4652 struct ice_aqc_add_tx_qgrp *list;
4653 struct ice_aqc_add_txqs *cmd;
4654 struct libie_aq_desc desc;
4655 u16 i, sum_size = 0;
4656
4657 cmd = libie_aq_raw(&desc);
4658
4659 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_add_txqs);
4660
4661 if (!qg_list)
4662 return -EINVAL;
4663
4664 if (num_qgrps > ICE_LAN_TXQ_MAX_QGRPS)
4665 return -EINVAL;
4666
4667 for (i = 0, list = qg_list; i < num_qgrps; i++) {
4668 sum_size += struct_size(list, txqs, list->num_txqs);
4669 list = (struct ice_aqc_add_tx_qgrp *)(list->txqs +
4670 list->num_txqs);
4671 }
4672
4673 if (buf_size != sum_size)
4674 return -EINVAL;
4675
4676 desc.flags |= cpu_to_le16(LIBIE_AQ_FLAG_RD);
4677
4678 cmd->num_qgrps = num_qgrps;
4679
4680 return ice_aq_send_cmd(hw, &desc, qg_list, buf_size, cd);
4681 }
4682
4683 /**
4684 * ice_aq_dis_lan_txq
4685 * @hw: pointer to the hardware structure
4686 * @num_qgrps: number of groups in the list
4687 * @qg_list: the list of groups to disable
4688 * @buf_size: the total size of the qg_list buffer in bytes
4689 * @rst_src: if called due to reset, specifies the reset source
4690 * @vmvf_num: the relative VM or VF number that is undergoing the reset
4691 * @cd: pointer to command details structure or NULL
4692 *
4693 * Disable LAN Tx queue (0x0C31)
4694 */
4695 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)4696 ice_aq_dis_lan_txq(struct ice_hw *hw, u8 num_qgrps,
4697 struct ice_aqc_dis_txq_item *qg_list, u16 buf_size,
4698 enum ice_disq_rst_src rst_src, u16 vmvf_num,
4699 struct ice_sq_cd *cd)
4700 {
4701 struct ice_aqc_dis_txq_item *item;
4702 struct ice_aqc_dis_txqs *cmd;
4703 struct libie_aq_desc desc;
4704 u16 vmvf_and_timeout;
4705 u16 i, sz = 0;
4706 int status;
4707
4708 cmd = libie_aq_raw(&desc);
4709 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_dis_txqs);
4710
4711 /* qg_list can be NULL only in VM/VF reset flow */
4712 if (!qg_list && !rst_src)
4713 return -EINVAL;
4714
4715 if (num_qgrps > ICE_LAN_TXQ_MAX_QGRPS)
4716 return -EINVAL;
4717
4718 cmd->num_entries = num_qgrps;
4719
4720 vmvf_and_timeout = FIELD_PREP(ICE_AQC_Q_DIS_TIMEOUT_M, 5);
4721
4722 switch (rst_src) {
4723 case ICE_VM_RESET:
4724 cmd->cmd_type = ICE_AQC_Q_DIS_CMD_VM_RESET;
4725 vmvf_and_timeout |= vmvf_num & ICE_AQC_Q_DIS_VMVF_NUM_M;
4726 break;
4727 case ICE_VF_RESET:
4728 cmd->cmd_type = ICE_AQC_Q_DIS_CMD_VF_RESET;
4729 /* In this case, FW expects vmvf_num to be absolute VF ID */
4730 vmvf_and_timeout |= (vmvf_num + hw->func_caps.vf_base_id) &
4731 ICE_AQC_Q_DIS_VMVF_NUM_M;
4732 break;
4733 case ICE_NO_RESET:
4734 default:
4735 break;
4736 }
4737
4738 cmd->vmvf_and_timeout = cpu_to_le16(vmvf_and_timeout);
4739
4740 /* flush pipe on time out */
4741 cmd->cmd_type |= ICE_AQC_Q_DIS_CMD_FLUSH_PIPE;
4742 /* If no queue group info, we are in a reset flow. Issue the AQ */
4743 if (!qg_list)
4744 goto do_aq;
4745
4746 /* set RD bit to indicate that command buffer is provided by the driver
4747 * and it needs to be read by the firmware
4748 */
4749 desc.flags |= cpu_to_le16(LIBIE_AQ_FLAG_RD);
4750
4751 for (i = 0, item = qg_list; i < num_qgrps; i++) {
4752 u16 item_size = struct_size(item, q_id, item->num_qs);
4753
4754 /* If the num of queues is even, add 2 bytes of padding */
4755 if ((item->num_qs % 2) == 0)
4756 item_size += 2;
4757
4758 sz += item_size;
4759
4760 item = (struct ice_aqc_dis_txq_item *)((u8 *)item + item_size);
4761 }
4762
4763 if (buf_size != sz)
4764 return -EINVAL;
4765
4766 do_aq:
4767 status = ice_aq_send_cmd(hw, &desc, qg_list, buf_size, cd);
4768 if (status) {
4769 if (!qg_list)
4770 ice_debug(hw, ICE_DBG_SCHED, "VM%d disable failed %d\n",
4771 vmvf_num, hw->adminq.sq_last_status);
4772 else
4773 ice_debug(hw, ICE_DBG_SCHED, "disable queue %d failed %d\n",
4774 le16_to_cpu(qg_list[0].q_id[0]),
4775 hw->adminq.sq_last_status);
4776 }
4777 return status;
4778 }
4779
4780 /**
4781 * ice_aq_cfg_lan_txq - send AQ command 0x0C32 to FW
4782 * @hw: pointer to the hardware structure
4783 * @buf: buffer for command
4784 * @buf_size: size of buffer in bytes
4785 * @num_qs: number of queues being configured
4786 * @oldport: origination lport
4787 * @newport: destination lport
4788 * @mode: cmd_type for move to use
4789 * @cd: pointer to command details structure or NULL
4790 *
4791 * Move/Configure LAN Tx queue (0x0C32)
4792 *
4793 * Return: Zero on success, associated error code on failure.
4794 */
4795 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)4796 ice_aq_cfg_lan_txq(struct ice_hw *hw, struct ice_aqc_cfg_txqs_buf *buf,
4797 u16 buf_size, u16 num_qs, u8 oldport, u8 newport,
4798 u8 mode, struct ice_sq_cd *cd)
4799 {
4800 struct ice_aqc_cfg_txqs *cmd;
4801 struct libie_aq_desc desc;
4802 int status;
4803
4804 cmd = libie_aq_raw(&desc);
4805 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_cfg_txqs);
4806 desc.flags |= cpu_to_le16(LIBIE_AQ_FLAG_RD);
4807
4808 if (!buf)
4809 return -EINVAL;
4810
4811 cmd->cmd_type = mode;
4812 cmd->num_qs = num_qs;
4813 cmd->port_num_chng = (oldport & ICE_AQC_Q_CFG_SRC_PRT_M);
4814 cmd->port_num_chng |= FIELD_PREP(ICE_AQC_Q_CFG_DST_PRT_M, newport);
4815 cmd->port_num_chng |= FIELD_PREP(ICE_AQC_Q_CFG_MODE_M,
4816 ICE_AQC_Q_CFG_MODE_KEEP_OWN);
4817 cmd->time_out = FIELD_PREP(ICE_AQC_Q_CFG_TIMEOUT_M, 5);
4818 cmd->blocked_cgds = 0;
4819
4820 status = ice_aq_send_cmd(hw, &desc, buf, buf_size, cd);
4821 if (status)
4822 ice_debug(hw, ICE_DBG_SCHED, "Failed to reconfigure nodes %d\n",
4823 hw->adminq.sq_last_status);
4824 return status;
4825 }
4826
4827 /**
4828 * ice_aq_add_rdma_qsets
4829 * @hw: pointer to the hardware structure
4830 * @num_qset_grps: Number of RDMA Qset groups
4831 * @qset_list: list of Qset groups to be added
4832 * @buf_size: size of buffer for indirect command
4833 * @cd: pointer to command details structure or NULL
4834 *
4835 * Add Tx RDMA Qsets (0x0C33)
4836 */
4837 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)4838 ice_aq_add_rdma_qsets(struct ice_hw *hw, u8 num_qset_grps,
4839 struct ice_aqc_add_rdma_qset_data *qset_list,
4840 u16 buf_size, struct ice_sq_cd *cd)
4841 {
4842 struct ice_aqc_add_rdma_qset_data *list;
4843 struct ice_aqc_add_rdma_qset *cmd;
4844 struct libie_aq_desc desc;
4845 u16 i, sum_size = 0;
4846
4847 cmd = libie_aq_raw(&desc);
4848
4849 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_add_rdma_qset);
4850
4851 if (num_qset_grps > ICE_LAN_TXQ_MAX_QGRPS)
4852 return -EINVAL;
4853
4854 for (i = 0, list = qset_list; i < num_qset_grps; i++) {
4855 u16 num_qsets = le16_to_cpu(list->num_qsets);
4856
4857 sum_size += struct_size(list, rdma_qsets, num_qsets);
4858 list = (struct ice_aqc_add_rdma_qset_data *)(list->rdma_qsets +
4859 num_qsets);
4860 }
4861
4862 if (buf_size != sum_size)
4863 return -EINVAL;
4864
4865 desc.flags |= cpu_to_le16(LIBIE_AQ_FLAG_RD);
4866
4867 cmd->num_qset_grps = num_qset_grps;
4868
4869 return ice_aq_send_cmd(hw, &desc, qset_list, buf_size, cd);
4870 }
4871
4872 /**
4873 * ice_aq_set_txtimeq - set Tx time queues
4874 * @hw: pointer to the hardware structure
4875 * @txtimeq: first Tx time queue id to configure
4876 * @q_count: number of queues to configure
4877 * @txtime_qg: queue group to be set
4878 * @buf_size: size of buffer for indirect command
4879 * @cd: pointer to command details structure or NULL
4880 *
4881 * Set Tx Time queue (0x0C35)
4882 * Return: 0 on success or negative value on failure.
4883 */
4884 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)4885 ice_aq_set_txtimeq(struct ice_hw *hw, u16 txtimeq, u8 q_count,
4886 struct ice_aqc_set_txtime_qgrp *txtime_qg, u16 buf_size,
4887 struct ice_sq_cd *cd)
4888 {
4889 struct ice_aqc_set_txtimeqs *cmd;
4890 struct libie_aq_desc desc;
4891 u16 size;
4892
4893 if (!txtime_qg || txtimeq > ICE_TXTIME_MAX_QUEUE ||
4894 q_count < 1 || q_count > ICE_SET_TXTIME_MAX_Q_AMOUNT)
4895 return -EINVAL;
4896
4897 size = struct_size(txtime_qg, txtimeqs, q_count);
4898 if (buf_size != size)
4899 return -EINVAL;
4900
4901 cmd = libie_aq_raw(&desc);
4902
4903 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_txtimeqs);
4904
4905 desc.flags |= cpu_to_le16(LIBIE_AQ_FLAG_RD);
4906
4907 cmd->q_id = cpu_to_le16(txtimeq);
4908 cmd->q_amount = cpu_to_le16(q_count);
4909 return ice_aq_send_cmd(hw, &desc, txtime_qg, buf_size, cd);
4910 }
4911
4912 /* End of FW Admin Queue command wrappers */
4913
4914 /**
4915 * ice_get_lan_q_ctx - get the LAN queue context for the given VSI and TC
4916 * @hw: pointer to the HW struct
4917 * @vsi_handle: software VSI handle
4918 * @tc: TC number
4919 * @q_handle: software queue handle
4920 */
4921 struct ice_q_ctx *
ice_get_lan_q_ctx(struct ice_hw * hw,u16 vsi_handle,u8 tc,u16 q_handle)4922 ice_get_lan_q_ctx(struct ice_hw *hw, u16 vsi_handle, u8 tc, u16 q_handle)
4923 {
4924 struct ice_vsi_ctx *vsi;
4925 struct ice_q_ctx *q_ctx;
4926
4927 vsi = ice_get_vsi_ctx(hw, vsi_handle);
4928 if (!vsi)
4929 return NULL;
4930 if (q_handle >= vsi->num_lan_q_entries[tc])
4931 return NULL;
4932 if (!vsi->lan_q_ctx[tc])
4933 return NULL;
4934 q_ctx = vsi->lan_q_ctx[tc];
4935 return &q_ctx[q_handle];
4936 }
4937
4938 /**
4939 * ice_ena_vsi_txq
4940 * @pi: port information structure
4941 * @vsi_handle: software VSI handle
4942 * @tc: TC number
4943 * @q_handle: software queue handle
4944 * @num_qgrps: Number of added queue groups
4945 * @buf: list of queue groups to be added
4946 * @buf_size: size of buffer for indirect command
4947 * @cd: pointer to command details structure or NULL
4948 *
4949 * This function adds one LAN queue
4950 */
4951 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)4952 ice_ena_vsi_txq(struct ice_port_info *pi, u16 vsi_handle, u8 tc, u16 q_handle,
4953 u8 num_qgrps, struct ice_aqc_add_tx_qgrp *buf, u16 buf_size,
4954 struct ice_sq_cd *cd)
4955 {
4956 struct ice_aqc_txsched_elem_data node = { 0 };
4957 struct ice_sched_node *parent;
4958 struct ice_q_ctx *q_ctx;
4959 struct ice_hw *hw;
4960 int status;
4961
4962 if (!pi || pi->port_state != ICE_SCHED_PORT_STATE_READY)
4963 return -EIO;
4964
4965 if (num_qgrps > 1 || buf->num_txqs > 1)
4966 return -ENOSPC;
4967
4968 hw = pi->hw;
4969
4970 if (!ice_is_vsi_valid(hw, vsi_handle))
4971 return -EINVAL;
4972
4973 mutex_lock(&pi->sched_lock);
4974
4975 q_ctx = ice_get_lan_q_ctx(hw, vsi_handle, tc, q_handle);
4976 if (!q_ctx) {
4977 ice_debug(hw, ICE_DBG_SCHED, "Enaq: invalid queue handle %d\n",
4978 q_handle);
4979 status = -EINVAL;
4980 goto ena_txq_exit;
4981 }
4982
4983 /* find a parent node */
4984 parent = ice_sched_get_free_qparent(pi, vsi_handle, tc,
4985 ICE_SCHED_NODE_OWNER_LAN);
4986 if (!parent) {
4987 status = -EINVAL;
4988 goto ena_txq_exit;
4989 }
4990
4991 buf->parent_teid = parent->info.node_teid;
4992 node.parent_teid = parent->info.node_teid;
4993 /* Mark that the values in the "generic" section as valid. The default
4994 * value in the "generic" section is zero. This means that :
4995 * - Scheduling mode is Bytes Per Second (BPS), indicated by Bit 0.
4996 * - 0 priority among siblings, indicated by Bit 1-3.
4997 * - WFQ, indicated by Bit 4.
4998 * - 0 Adjustment value is used in PSM credit update flow, indicated by
4999 * Bit 5-6.
5000 * - Bit 7 is reserved.
5001 * Without setting the generic section as valid in valid_sections, the
5002 * Admin queue command will fail with error code ICE_AQ_RC_EINVAL.
5003 */
5004 buf->txqs[0].info.valid_sections =
5005 ICE_AQC_ELEM_VALID_GENERIC | ICE_AQC_ELEM_VALID_CIR |
5006 ICE_AQC_ELEM_VALID_EIR;
5007 buf->txqs[0].info.generic = 0;
5008 buf->txqs[0].info.cir_bw.bw_profile_idx =
5009 cpu_to_le16(ICE_SCHED_DFLT_RL_PROF_ID);
5010 buf->txqs[0].info.cir_bw.bw_alloc =
5011 cpu_to_le16(ICE_SCHED_DFLT_BW_WT);
5012 buf->txqs[0].info.eir_bw.bw_profile_idx =
5013 cpu_to_le16(ICE_SCHED_DFLT_RL_PROF_ID);
5014 buf->txqs[0].info.eir_bw.bw_alloc =
5015 cpu_to_le16(ICE_SCHED_DFLT_BW_WT);
5016
5017 /* add the LAN queue */
5018 status = ice_aq_add_lan_txq(hw, num_qgrps, buf, buf_size, cd);
5019 if (status) {
5020 ice_debug(hw, ICE_DBG_SCHED, "enable queue %d failed %d\n",
5021 le16_to_cpu(buf->txqs[0].txq_id),
5022 hw->adminq.sq_last_status);
5023 goto ena_txq_exit;
5024 }
5025
5026 node.node_teid = buf->txqs[0].q_teid;
5027 node.data.elem_type = ICE_AQC_ELEM_TYPE_LEAF;
5028 q_ctx->q_handle = q_handle;
5029 q_ctx->q_teid = le32_to_cpu(node.node_teid);
5030
5031 /* add a leaf node into scheduler tree queue layer */
5032 status = ice_sched_add_node(pi, hw->num_tx_sched_layers - 1, &node, NULL);
5033 if (!status)
5034 status = ice_sched_replay_q_bw(pi, q_ctx);
5035
5036 ena_txq_exit:
5037 mutex_unlock(&pi->sched_lock);
5038 return status;
5039 }
5040
5041 /**
5042 * ice_dis_vsi_txq
5043 * @pi: port information structure
5044 * @vsi_handle: software VSI handle
5045 * @tc: TC number
5046 * @num_queues: number of queues
5047 * @q_handles: pointer to software queue handle array
5048 * @q_ids: pointer to the q_id array
5049 * @q_teids: pointer to queue node teids
5050 * @rst_src: if called due to reset, specifies the reset source
5051 * @vmvf_num: the relative VM or VF number that is undergoing the reset
5052 * @cd: pointer to command details structure or NULL
5053 *
5054 * This function removes queues and their corresponding nodes in SW DB
5055 */
5056 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)5057 ice_dis_vsi_txq(struct ice_port_info *pi, u16 vsi_handle, u8 tc, u8 num_queues,
5058 u16 *q_handles, u16 *q_ids, u32 *q_teids,
5059 enum ice_disq_rst_src rst_src, u16 vmvf_num,
5060 struct ice_sq_cd *cd)
5061 {
5062 DEFINE_RAW_FLEX(struct ice_aqc_dis_txq_item, qg_list, q_id, 1);
5063 u16 i, buf_size = __struct_size(qg_list);
5064 struct ice_q_ctx *q_ctx;
5065 int status = -ENOENT;
5066 struct ice_hw *hw;
5067
5068 if (!pi || pi->port_state != ICE_SCHED_PORT_STATE_READY)
5069 return -EIO;
5070
5071 hw = pi->hw;
5072
5073 if (!num_queues) {
5074 /* if queue is disabled already yet the disable queue command
5075 * has to be sent to complete the VF reset, then call
5076 * ice_aq_dis_lan_txq without any queue information
5077 */
5078 if (rst_src)
5079 return ice_aq_dis_lan_txq(hw, 0, NULL, 0, rst_src,
5080 vmvf_num, NULL);
5081 return -EIO;
5082 }
5083
5084 mutex_lock(&pi->sched_lock);
5085
5086 for (i = 0; i < num_queues; i++) {
5087 struct ice_sched_node *node;
5088
5089 node = ice_sched_find_node_by_teid(pi->root, q_teids[i]);
5090 if (!node)
5091 continue;
5092 q_ctx = ice_get_lan_q_ctx(hw, vsi_handle, tc, q_handles[i]);
5093 if (!q_ctx) {
5094 ice_debug(hw, ICE_DBG_SCHED, "invalid queue handle%d\n",
5095 q_handles[i]);
5096 continue;
5097 }
5098 if (q_ctx->q_handle != q_handles[i]) {
5099 ice_debug(hw, ICE_DBG_SCHED, "Err:handles %d %d\n",
5100 q_ctx->q_handle, q_handles[i]);
5101 continue;
5102 }
5103 qg_list->parent_teid = node->info.parent_teid;
5104 qg_list->num_qs = 1;
5105 qg_list->q_id[0] = cpu_to_le16(q_ids[i]);
5106 status = ice_aq_dis_lan_txq(hw, 1, qg_list, buf_size, rst_src,
5107 vmvf_num, cd);
5108
5109 if (status)
5110 break;
5111 ice_free_sched_node(pi, node);
5112 q_ctx->q_handle = ICE_INVAL_Q_HANDLE;
5113 q_ctx->q_teid = ICE_INVAL_TEID;
5114 }
5115 mutex_unlock(&pi->sched_lock);
5116 return status;
5117 }
5118
5119 /**
5120 * ice_cfg_vsi_qs - configure the new/existing VSI queues
5121 * @pi: port information structure
5122 * @vsi_handle: software VSI handle
5123 * @tc_bitmap: TC bitmap
5124 * @maxqs: max queues array per TC
5125 * @owner: LAN or RDMA
5126 *
5127 * This function adds/updates the VSI queues per TC.
5128 */
5129 static int
ice_cfg_vsi_qs(struct ice_port_info * pi,u16 vsi_handle,u8 tc_bitmap,u16 * maxqs,u8 owner)5130 ice_cfg_vsi_qs(struct ice_port_info *pi, u16 vsi_handle, u8 tc_bitmap,
5131 u16 *maxqs, u8 owner)
5132 {
5133 int status = 0;
5134 u8 i;
5135
5136 if (!pi || pi->port_state != ICE_SCHED_PORT_STATE_READY)
5137 return -EIO;
5138
5139 if (!ice_is_vsi_valid(pi->hw, vsi_handle))
5140 return -EINVAL;
5141
5142 mutex_lock(&pi->sched_lock);
5143
5144 ice_for_each_traffic_class(i) {
5145 /* configuration is possible only if TC node is present */
5146 if (!ice_sched_get_tc_node(pi, i))
5147 continue;
5148
5149 status = ice_sched_cfg_vsi(pi, vsi_handle, i, maxqs[i], owner,
5150 ice_is_tc_ena(tc_bitmap, i));
5151 if (status)
5152 break;
5153 }
5154
5155 mutex_unlock(&pi->sched_lock);
5156 return status;
5157 }
5158
5159 /**
5160 * ice_cfg_vsi_lan - configure VSI LAN queues
5161 * @pi: port information structure
5162 * @vsi_handle: software VSI handle
5163 * @tc_bitmap: TC bitmap
5164 * @max_lanqs: max LAN queues array per TC
5165 *
5166 * This function adds/updates the VSI LAN queues per TC.
5167 */
5168 int
ice_cfg_vsi_lan(struct ice_port_info * pi,u16 vsi_handle,u8 tc_bitmap,u16 * max_lanqs)5169 ice_cfg_vsi_lan(struct ice_port_info *pi, u16 vsi_handle, u8 tc_bitmap,
5170 u16 *max_lanqs)
5171 {
5172 return ice_cfg_vsi_qs(pi, vsi_handle, tc_bitmap, max_lanqs,
5173 ICE_SCHED_NODE_OWNER_LAN);
5174 }
5175
5176 /**
5177 * ice_cfg_vsi_rdma - configure the VSI RDMA queues
5178 * @pi: port information structure
5179 * @vsi_handle: software VSI handle
5180 * @tc_bitmap: TC bitmap
5181 * @max_rdmaqs: max RDMA queues array per TC
5182 *
5183 * This function adds/updates the VSI RDMA queues per TC.
5184 */
5185 int
ice_cfg_vsi_rdma(struct ice_port_info * pi,u16 vsi_handle,u16 tc_bitmap,u16 * max_rdmaqs)5186 ice_cfg_vsi_rdma(struct ice_port_info *pi, u16 vsi_handle, u16 tc_bitmap,
5187 u16 *max_rdmaqs)
5188 {
5189 return ice_cfg_vsi_qs(pi, vsi_handle, tc_bitmap, max_rdmaqs,
5190 ICE_SCHED_NODE_OWNER_RDMA);
5191 }
5192
5193 /**
5194 * ice_ena_vsi_rdma_qset
5195 * @pi: port information structure
5196 * @vsi_handle: software VSI handle
5197 * @tc: TC number
5198 * @rdma_qset: pointer to RDMA Qset
5199 * @num_qsets: number of RDMA Qsets
5200 * @qset_teid: pointer to Qset node TEIDs
5201 *
5202 * This function adds RDMA Qset
5203 */
5204 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)5205 ice_ena_vsi_rdma_qset(struct ice_port_info *pi, u16 vsi_handle, u8 tc,
5206 u16 *rdma_qset, u16 num_qsets, u32 *qset_teid)
5207 {
5208 struct ice_aqc_txsched_elem_data node = { 0 };
5209 struct ice_aqc_add_rdma_qset_data *buf;
5210 struct ice_sched_node *parent;
5211 struct ice_hw *hw;
5212 u16 i, buf_size;
5213 int ret;
5214
5215 if (!pi || pi->port_state != ICE_SCHED_PORT_STATE_READY)
5216 return -EIO;
5217 hw = pi->hw;
5218
5219 if (!ice_is_vsi_valid(hw, vsi_handle))
5220 return -EINVAL;
5221
5222 buf_size = struct_size(buf, rdma_qsets, num_qsets);
5223 buf = kzalloc(buf_size, GFP_KERNEL);
5224 if (!buf)
5225 return -ENOMEM;
5226 mutex_lock(&pi->sched_lock);
5227
5228 parent = ice_sched_get_free_qparent(pi, vsi_handle, tc,
5229 ICE_SCHED_NODE_OWNER_RDMA);
5230 if (!parent) {
5231 ret = -EINVAL;
5232 goto rdma_error_exit;
5233 }
5234 buf->parent_teid = parent->info.node_teid;
5235 node.parent_teid = parent->info.node_teid;
5236
5237 buf->num_qsets = cpu_to_le16(num_qsets);
5238 for (i = 0; i < num_qsets; i++) {
5239 buf->rdma_qsets[i].tx_qset_id = cpu_to_le16(rdma_qset[i]);
5240 buf->rdma_qsets[i].info.valid_sections =
5241 ICE_AQC_ELEM_VALID_GENERIC | ICE_AQC_ELEM_VALID_CIR |
5242 ICE_AQC_ELEM_VALID_EIR;
5243 buf->rdma_qsets[i].info.generic = 0;
5244 buf->rdma_qsets[i].info.cir_bw.bw_profile_idx =
5245 cpu_to_le16(ICE_SCHED_DFLT_RL_PROF_ID);
5246 buf->rdma_qsets[i].info.cir_bw.bw_alloc =
5247 cpu_to_le16(ICE_SCHED_DFLT_BW_WT);
5248 buf->rdma_qsets[i].info.eir_bw.bw_profile_idx =
5249 cpu_to_le16(ICE_SCHED_DFLT_RL_PROF_ID);
5250 buf->rdma_qsets[i].info.eir_bw.bw_alloc =
5251 cpu_to_le16(ICE_SCHED_DFLT_BW_WT);
5252 }
5253 ret = ice_aq_add_rdma_qsets(hw, 1, buf, buf_size, NULL);
5254 if (ret) {
5255 ice_debug(hw, ICE_DBG_RDMA, "add RDMA qset failed\n");
5256 goto rdma_error_exit;
5257 }
5258 node.data.elem_type = ICE_AQC_ELEM_TYPE_LEAF;
5259 for (i = 0; i < num_qsets; i++) {
5260 node.node_teid = buf->rdma_qsets[i].qset_teid;
5261 ret = ice_sched_add_node(pi, hw->num_tx_sched_layers - 1,
5262 &node, NULL);
5263 if (ret)
5264 break;
5265 qset_teid[i] = le32_to_cpu(node.node_teid);
5266 }
5267 rdma_error_exit:
5268 mutex_unlock(&pi->sched_lock);
5269 kfree(buf);
5270 return ret;
5271 }
5272
5273 /**
5274 * ice_dis_vsi_rdma_qset - free RDMA resources
5275 * @pi: port_info struct
5276 * @count: number of RDMA Qsets to free
5277 * @qset_teid: TEID of Qset node
5278 * @q_id: list of queue IDs being disabled
5279 */
5280 int
ice_dis_vsi_rdma_qset(struct ice_port_info * pi,u16 count,u32 * qset_teid,u16 * q_id)5281 ice_dis_vsi_rdma_qset(struct ice_port_info *pi, u16 count, u32 *qset_teid,
5282 u16 *q_id)
5283 {
5284 DEFINE_RAW_FLEX(struct ice_aqc_dis_txq_item, qg_list, q_id, 1);
5285 u16 qg_size = __struct_size(qg_list);
5286 struct ice_hw *hw;
5287 int status = 0;
5288 int i;
5289
5290 if (!pi || pi->port_state != ICE_SCHED_PORT_STATE_READY)
5291 return -EIO;
5292
5293 hw = pi->hw;
5294
5295 mutex_lock(&pi->sched_lock);
5296
5297 for (i = 0; i < count; i++) {
5298 struct ice_sched_node *node;
5299
5300 node = ice_sched_find_node_by_teid(pi->root, qset_teid[i]);
5301 if (!node)
5302 continue;
5303
5304 qg_list->parent_teid = node->info.parent_teid;
5305 qg_list->num_qs = 1;
5306 qg_list->q_id[0] =
5307 cpu_to_le16(q_id[i] |
5308 ICE_AQC_Q_DIS_BUF_ELEM_TYPE_RDMA_QSET);
5309
5310 status = ice_aq_dis_lan_txq(hw, 1, qg_list, qg_size,
5311 ICE_NO_RESET, 0, NULL);
5312 if (status)
5313 break;
5314
5315 ice_free_sched_node(pi, node);
5316 }
5317
5318 mutex_unlock(&pi->sched_lock);
5319 return status;
5320 }
5321
5322 /**
5323 * ice_aq_get_cgu_input_pin_measure - get input pin signal measurements
5324 * @hw: pointer to the HW struct
5325 * @dpll_idx: index of dpll to be measured
5326 * @meas: array to be filled with results
5327 * @meas_num: max number of results array can hold
5328 *
5329 * Get CGU measurements (0x0C59) of phase and frequency offsets for input
5330 * pins on given dpll.
5331 *
5332 * Return: 0 on success or negative value on failure.
5333 */
ice_aq_get_cgu_input_pin_measure(struct ice_hw * hw,u8 dpll_idx,struct ice_cgu_input_measure * meas,u16 meas_num)5334 int ice_aq_get_cgu_input_pin_measure(struct ice_hw *hw, u8 dpll_idx,
5335 struct ice_cgu_input_measure *meas,
5336 u16 meas_num)
5337 {
5338 struct ice_aqc_get_cgu_input_measure *cmd;
5339 struct libie_aq_desc desc;
5340
5341 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_cgu_input_measure);
5342 cmd = libie_aq_raw(&desc);
5343 cmd->dpll_idx_opt = dpll_idx & ICE_AQC_GET_CGU_IN_MEAS_DPLL_IDX_M;
5344
5345 return ice_aq_send_cmd(hw, &desc, meas, meas_num * sizeof(*meas), NULL);
5346 }
5347
5348 /**
5349 * ice_aq_get_cgu_abilities - get cgu abilities
5350 * @hw: pointer to the HW struct
5351 * @abilities: CGU abilities
5352 *
5353 * Get CGU abilities (0x0C61)
5354 * Return: 0 on success or negative value on failure.
5355 */
5356 int
ice_aq_get_cgu_abilities(struct ice_hw * hw,struct ice_aqc_get_cgu_abilities * abilities)5357 ice_aq_get_cgu_abilities(struct ice_hw *hw,
5358 struct ice_aqc_get_cgu_abilities *abilities)
5359 {
5360 struct libie_aq_desc desc;
5361
5362 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_cgu_abilities);
5363 return ice_aq_send_cmd(hw, &desc, abilities, sizeof(*abilities), NULL);
5364 }
5365
5366 /**
5367 * ice_aq_set_input_pin_cfg - set input pin config
5368 * @hw: pointer to the HW struct
5369 * @input_idx: Input index
5370 * @flags1: Input flags
5371 * @flags2: Input flags
5372 * @freq: Frequency in Hz
5373 * @phase_delay: Delay in ps
5374 *
5375 * Set CGU input config (0x0C62)
5376 * Return: 0 on success or negative value on failure.
5377 */
5378 int
ice_aq_set_input_pin_cfg(struct ice_hw * hw,u8 input_idx,u8 flags1,u8 flags2,u32 freq,s32 phase_delay)5379 ice_aq_set_input_pin_cfg(struct ice_hw *hw, u8 input_idx, u8 flags1, u8 flags2,
5380 u32 freq, s32 phase_delay)
5381 {
5382 struct ice_aqc_set_cgu_input_config *cmd;
5383 struct libie_aq_desc desc;
5384
5385 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_cgu_input_config);
5386 cmd = libie_aq_raw(&desc);
5387 cmd->input_idx = input_idx;
5388 cmd->flags1 = flags1;
5389 cmd->flags2 = flags2;
5390 cmd->freq = cpu_to_le32(freq);
5391 cmd->phase_delay = cpu_to_le32(phase_delay);
5392
5393 return ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
5394 }
5395
5396 /**
5397 * ice_aq_get_input_pin_cfg - get input pin config
5398 * @hw: pointer to the HW struct
5399 * @input_idx: Input index
5400 * @status: Pin status
5401 * @type: Pin type
5402 * @flags1: Input flags
5403 * @flags2: Input flags
5404 * @freq: Frequency in Hz
5405 * @phase_delay: Delay in ps
5406 *
5407 * Get CGU input config (0x0C63)
5408 * Return: 0 on success or negative value on failure.
5409 */
5410 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)5411 ice_aq_get_input_pin_cfg(struct ice_hw *hw, u8 input_idx, u8 *status, u8 *type,
5412 u8 *flags1, u8 *flags2, u32 *freq, s32 *phase_delay)
5413 {
5414 struct ice_aqc_get_cgu_input_config *cmd;
5415 struct libie_aq_desc desc;
5416 int ret;
5417
5418 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_cgu_input_config);
5419 cmd = libie_aq_raw(&desc);
5420 cmd->input_idx = input_idx;
5421
5422 ret = ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
5423 if (!ret) {
5424 if (status)
5425 *status = cmd->status;
5426 if (type)
5427 *type = cmd->type;
5428 if (flags1)
5429 *flags1 = cmd->flags1;
5430 if (flags2)
5431 *flags2 = cmd->flags2;
5432 if (freq)
5433 *freq = le32_to_cpu(cmd->freq);
5434 if (phase_delay)
5435 *phase_delay = le32_to_cpu(cmd->phase_delay);
5436 }
5437
5438 return ret;
5439 }
5440
5441 /**
5442 * ice_aq_set_output_pin_cfg - set output pin config
5443 * @hw: pointer to the HW struct
5444 * @output_idx: Output index
5445 * @flags: Output flags
5446 * @src_sel: Index of DPLL block
5447 * @freq: Output frequency
5448 * @phase_delay: Output phase compensation
5449 *
5450 * Set CGU output config (0x0C64)
5451 * Return: 0 on success or negative value on failure.
5452 */
5453 int
ice_aq_set_output_pin_cfg(struct ice_hw * hw,u8 output_idx,u8 flags,u8 src_sel,u32 freq,s32 phase_delay)5454 ice_aq_set_output_pin_cfg(struct ice_hw *hw, u8 output_idx, u8 flags,
5455 u8 src_sel, u32 freq, s32 phase_delay)
5456 {
5457 struct ice_aqc_set_cgu_output_config *cmd;
5458 struct libie_aq_desc desc;
5459
5460 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_cgu_output_config);
5461 cmd = libie_aq_raw(&desc);
5462 cmd->output_idx = output_idx;
5463 cmd->flags = flags;
5464 cmd->src_sel = src_sel;
5465 cmd->freq = cpu_to_le32(freq);
5466 cmd->phase_delay = cpu_to_le32(phase_delay);
5467
5468 return ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
5469 }
5470
5471 /**
5472 * ice_aq_get_output_pin_cfg - get output pin config
5473 * @hw: pointer to the HW struct
5474 * @output_idx: Output index
5475 * @flags: Output flags
5476 * @src_sel: Internal DPLL source
5477 * @freq: Output frequency
5478 * @src_freq: Source frequency
5479 *
5480 * Get CGU output config (0x0C65)
5481 * Return: 0 on success or negative value on failure.
5482 */
5483 int
ice_aq_get_output_pin_cfg(struct ice_hw * hw,u8 output_idx,u8 * flags,u8 * src_sel,u32 * freq,u32 * src_freq)5484 ice_aq_get_output_pin_cfg(struct ice_hw *hw, u8 output_idx, u8 *flags,
5485 u8 *src_sel, u32 *freq, u32 *src_freq)
5486 {
5487 struct ice_aqc_get_cgu_output_config *cmd;
5488 struct libie_aq_desc desc;
5489 int ret;
5490
5491 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_cgu_output_config);
5492 cmd = libie_aq_raw(&desc);
5493 cmd->output_idx = output_idx;
5494
5495 ret = ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
5496 if (!ret) {
5497 if (flags)
5498 *flags = cmd->flags;
5499 if (src_sel)
5500 *src_sel = cmd->src_sel;
5501 if (freq)
5502 *freq = le32_to_cpu(cmd->freq);
5503 if (src_freq)
5504 *src_freq = le32_to_cpu(cmd->src_freq);
5505 }
5506
5507 return ret;
5508 }
5509
5510 /**
5511 * ice_aq_get_cgu_dpll_status - get dpll status
5512 * @hw: pointer to the HW struct
5513 * @dpll_num: DPLL index
5514 * @ref_state: Reference clock state
5515 * @config: current DPLL config
5516 * @dpll_state: current DPLL state
5517 * @phase_offset: Phase offset in ns
5518 * @eec_mode: EEC_mode
5519 *
5520 * Get CGU DPLL status (0x0C66)
5521 * Return: 0 on success or negative value on failure.
5522 */
5523 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)5524 ice_aq_get_cgu_dpll_status(struct ice_hw *hw, u8 dpll_num, u8 *ref_state,
5525 u8 *dpll_state, u8 *config, s64 *phase_offset,
5526 u8 *eec_mode)
5527 {
5528 struct ice_aqc_get_cgu_dpll_status *cmd;
5529 struct libie_aq_desc desc;
5530 int status;
5531
5532 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_cgu_dpll_status);
5533 cmd = libie_aq_raw(&desc);
5534 cmd->dpll_num = dpll_num;
5535
5536 status = ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
5537 if (!status) {
5538 *ref_state = cmd->ref_state;
5539 *dpll_state = cmd->dpll_state;
5540 *config = cmd->config;
5541 *phase_offset = le32_to_cpu(cmd->phase_offset_h);
5542 *phase_offset <<= 32;
5543 *phase_offset += le32_to_cpu(cmd->phase_offset_l);
5544 *phase_offset = sign_extend64(*phase_offset, 47);
5545 *eec_mode = cmd->eec_mode;
5546 }
5547
5548 return status;
5549 }
5550
5551 /**
5552 * ice_aq_set_cgu_dpll_config - set dpll config
5553 * @hw: pointer to the HW struct
5554 * @dpll_num: DPLL index
5555 * @ref_state: Reference clock state
5556 * @config: DPLL config
5557 * @eec_mode: EEC mode
5558 *
5559 * Set CGU DPLL config (0x0C67)
5560 * Return: 0 on success or negative value on failure.
5561 */
5562 int
ice_aq_set_cgu_dpll_config(struct ice_hw * hw,u8 dpll_num,u8 ref_state,u8 config,u8 eec_mode)5563 ice_aq_set_cgu_dpll_config(struct ice_hw *hw, u8 dpll_num, u8 ref_state,
5564 u8 config, u8 eec_mode)
5565 {
5566 struct ice_aqc_set_cgu_dpll_config *cmd;
5567 struct libie_aq_desc desc;
5568
5569 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_cgu_dpll_config);
5570 cmd = libie_aq_raw(&desc);
5571 cmd->dpll_num = dpll_num;
5572 cmd->ref_state = ref_state;
5573 cmd->config = config;
5574 cmd->eec_mode = eec_mode;
5575
5576 return ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
5577 }
5578
5579 /**
5580 * ice_aq_set_cgu_ref_prio - set input reference priority
5581 * @hw: pointer to the HW struct
5582 * @dpll_num: DPLL index
5583 * @ref_idx: Reference pin index
5584 * @ref_priority: Reference input priority
5585 *
5586 * Set CGU reference priority (0x0C68)
5587 * Return: 0 on success or negative value on failure.
5588 */
5589 int
ice_aq_set_cgu_ref_prio(struct ice_hw * hw,u8 dpll_num,u8 ref_idx,u8 ref_priority)5590 ice_aq_set_cgu_ref_prio(struct ice_hw *hw, u8 dpll_num, u8 ref_idx,
5591 u8 ref_priority)
5592 {
5593 struct ice_aqc_set_cgu_ref_prio *cmd;
5594 struct libie_aq_desc desc;
5595
5596 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_cgu_ref_prio);
5597 cmd = libie_aq_raw(&desc);
5598 cmd->dpll_num = dpll_num;
5599 cmd->ref_idx = ref_idx;
5600 cmd->ref_priority = ref_priority;
5601
5602 return ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
5603 }
5604
5605 /**
5606 * ice_aq_get_cgu_ref_prio - get input reference priority
5607 * @hw: pointer to the HW struct
5608 * @dpll_num: DPLL index
5609 * @ref_idx: Reference pin index
5610 * @ref_prio: Reference input priority
5611 *
5612 * Get CGU reference priority (0x0C69)
5613 * Return: 0 on success or negative value on failure.
5614 */
5615 int
ice_aq_get_cgu_ref_prio(struct ice_hw * hw,u8 dpll_num,u8 ref_idx,u8 * ref_prio)5616 ice_aq_get_cgu_ref_prio(struct ice_hw *hw, u8 dpll_num, u8 ref_idx,
5617 u8 *ref_prio)
5618 {
5619 struct ice_aqc_get_cgu_ref_prio *cmd;
5620 struct libie_aq_desc desc;
5621 int status;
5622
5623 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_cgu_ref_prio);
5624 cmd = libie_aq_raw(&desc);
5625 cmd->dpll_num = dpll_num;
5626 cmd->ref_idx = ref_idx;
5627
5628 status = ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
5629 if (!status)
5630 *ref_prio = cmd->ref_priority;
5631
5632 return status;
5633 }
5634
5635 /**
5636 * ice_aq_get_cgu_info - get cgu info
5637 * @hw: pointer to the HW struct
5638 * @cgu_id: CGU ID
5639 * @cgu_cfg_ver: CGU config version
5640 * @cgu_fw_ver: CGU firmware version
5641 *
5642 * Get CGU info (0x0C6A)
5643 * Return: 0 on success or negative value on failure.
5644 */
5645 int
ice_aq_get_cgu_info(struct ice_hw * hw,u32 * cgu_id,u32 * cgu_cfg_ver,u32 * cgu_fw_ver)5646 ice_aq_get_cgu_info(struct ice_hw *hw, u32 *cgu_id, u32 *cgu_cfg_ver,
5647 u32 *cgu_fw_ver)
5648 {
5649 struct ice_aqc_get_cgu_info *cmd;
5650 struct libie_aq_desc desc;
5651 int status;
5652
5653 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_cgu_info);
5654 cmd = libie_aq_raw(&desc);
5655
5656 status = ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
5657 if (!status) {
5658 *cgu_id = le32_to_cpu(cmd->cgu_id);
5659 *cgu_cfg_ver = le32_to_cpu(cmd->cgu_cfg_ver);
5660 *cgu_fw_ver = le32_to_cpu(cmd->cgu_fw_ver);
5661 }
5662
5663 return status;
5664 }
5665
5666 /**
5667 * ice_aq_set_phy_rec_clk_out - set RCLK phy out
5668 * @hw: pointer to the HW struct
5669 * @phy_output: PHY reference clock output pin
5670 * @enable: GPIO state to be applied
5671 * @freq: PHY output frequency
5672 *
5673 * Set phy recovered clock as reference (0x0630)
5674 * Return: 0 on success or negative value on failure.
5675 */
5676 int
ice_aq_set_phy_rec_clk_out(struct ice_hw * hw,u8 phy_output,bool enable,u32 * freq)5677 ice_aq_set_phy_rec_clk_out(struct ice_hw *hw, u8 phy_output, bool enable,
5678 u32 *freq)
5679 {
5680 struct ice_aqc_set_phy_rec_clk_out *cmd;
5681 struct libie_aq_desc desc;
5682 int status;
5683
5684 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_phy_rec_clk_out);
5685 cmd = libie_aq_raw(&desc);
5686 cmd->phy_output = phy_output;
5687 cmd->port_num = ICE_AQC_SET_PHY_REC_CLK_OUT_CURR_PORT;
5688 cmd->flags = enable & ICE_AQC_SET_PHY_REC_CLK_OUT_OUT_EN;
5689 cmd->freq = cpu_to_le32(*freq);
5690
5691 status = ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
5692 if (!status)
5693 *freq = le32_to_cpu(cmd->freq);
5694
5695 return status;
5696 }
5697
5698 /**
5699 * ice_aq_get_phy_rec_clk_out - get phy recovered signal info
5700 * @hw: pointer to the HW struct
5701 * @phy_output: PHY reference clock output pin
5702 * @port_num: Port number
5703 * @flags: PHY flags
5704 * @node_handle: PHY output frequency
5705 *
5706 * Get PHY recovered clock output info (0x0631)
5707 * Return: 0 on success or negative value on failure.
5708 */
5709 int
ice_aq_get_phy_rec_clk_out(struct ice_hw * hw,u8 * phy_output,u8 * port_num,u8 * flags,u16 * node_handle)5710 ice_aq_get_phy_rec_clk_out(struct ice_hw *hw, u8 *phy_output, u8 *port_num,
5711 u8 *flags, u16 *node_handle)
5712 {
5713 struct ice_aqc_get_phy_rec_clk_out *cmd;
5714 struct libie_aq_desc desc;
5715 int status;
5716
5717 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_phy_rec_clk_out);
5718 cmd = libie_aq_raw(&desc);
5719 cmd->phy_output = *phy_output;
5720
5721 status = ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
5722 if (!status) {
5723 *phy_output = cmd->phy_output;
5724 if (port_num)
5725 *port_num = cmd->port_num;
5726 if (flags)
5727 *flags = cmd->flags;
5728 if (node_handle)
5729 *node_handle = le16_to_cpu(cmd->node_handle);
5730 }
5731
5732 return status;
5733 }
5734
5735 /**
5736 * ice_aq_get_sensor_reading
5737 * @hw: pointer to the HW struct
5738 * @data: pointer to data to be read from the sensor
5739 *
5740 * Get sensor reading (0x0632)
5741 */
ice_aq_get_sensor_reading(struct ice_hw * hw,struct ice_aqc_get_sensor_reading_resp * data)5742 int ice_aq_get_sensor_reading(struct ice_hw *hw,
5743 struct ice_aqc_get_sensor_reading_resp *data)
5744 {
5745 struct ice_aqc_get_sensor_reading *cmd;
5746 struct libie_aq_desc desc;
5747 int status;
5748
5749 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_sensor_reading);
5750 cmd = libie_aq_raw(&desc);
5751 #define ICE_INTERNAL_TEMP_SENSOR_FORMAT 0
5752 #define ICE_INTERNAL_TEMP_SENSOR 0
5753 cmd->sensor = ICE_INTERNAL_TEMP_SENSOR;
5754 cmd->format = ICE_INTERNAL_TEMP_SENSOR_FORMAT;
5755
5756 status = ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
5757 if (!status)
5758 memcpy(data, &desc.params.raw,
5759 sizeof(*data));
5760
5761 return status;
5762 }
5763
5764 /**
5765 * ice_replay_pre_init - replay pre initialization
5766 * @hw: pointer to the HW struct
5767 *
5768 * Initializes required config data for VSI, FD, ACL, and RSS before replay.
5769 */
ice_replay_pre_init(struct ice_hw * hw)5770 static int ice_replay_pre_init(struct ice_hw *hw)
5771 {
5772 struct ice_switch_info *sw = hw->switch_info;
5773 u8 i;
5774
5775 /* Delete old entries from replay filter list head if there is any */
5776 ice_rm_all_sw_replay_rule_info(hw);
5777 /* In start of replay, move entries into replay_rules list, it
5778 * will allow adding rules entries back to filt_rules list,
5779 * which is operational list.
5780 */
5781 for (i = 0; i < ICE_MAX_NUM_RECIPES; i++)
5782 list_replace_init(&sw->recp_list[i].filt_rules,
5783 &sw->recp_list[i].filt_replay_rules);
5784 ice_sched_replay_agg_vsi_preinit(hw);
5785
5786 return 0;
5787 }
5788
5789 /**
5790 * ice_replay_vsi - replay VSI configuration
5791 * @hw: pointer to the HW struct
5792 * @vsi_handle: driver VSI handle
5793 *
5794 * Restore all VSI configuration after reset. It is required to call this
5795 * function with main VSI first.
5796 */
ice_replay_vsi(struct ice_hw * hw,u16 vsi_handle)5797 int ice_replay_vsi(struct ice_hw *hw, u16 vsi_handle)
5798 {
5799 int status;
5800
5801 if (!ice_is_vsi_valid(hw, vsi_handle))
5802 return -EINVAL;
5803
5804 /* Replay pre-initialization if there is any */
5805 if (vsi_handle == ICE_MAIN_VSI_HANDLE) {
5806 status = ice_replay_pre_init(hw);
5807 if (status)
5808 return status;
5809 }
5810 /* Replay per VSI all RSS configurations */
5811 status = ice_replay_rss_cfg(hw, vsi_handle);
5812 if (status)
5813 return status;
5814 /* Replay per VSI all filters */
5815 status = ice_replay_vsi_all_fltr(hw, vsi_handle);
5816 if (!status)
5817 status = ice_replay_vsi_agg(hw, vsi_handle);
5818 return status;
5819 }
5820
5821 /**
5822 * ice_replay_post - post replay configuration cleanup
5823 * @hw: pointer to the HW struct
5824 *
5825 * Post replay cleanup.
5826 */
ice_replay_post(struct ice_hw * hw)5827 void ice_replay_post(struct ice_hw *hw)
5828 {
5829 /* Delete old entries from replay filter list head */
5830 ice_rm_all_sw_replay_rule_info(hw);
5831 ice_sched_replay_agg(hw);
5832 }
5833
5834 /**
5835 * ice_stat_update40 - read 40 bit stat from the chip and update stat values
5836 * @hw: ptr to the hardware info
5837 * @reg: offset of 64 bit HW register to read from
5838 * @prev_stat_loaded: bool to specify if previous stats are loaded
5839 * @prev_stat: ptr to previous loaded stat value
5840 * @cur_stat: ptr to current stat value
5841 */
5842 void
ice_stat_update40(struct ice_hw * hw,u32 reg,bool prev_stat_loaded,u64 * prev_stat,u64 * cur_stat)5843 ice_stat_update40(struct ice_hw *hw, u32 reg, bool prev_stat_loaded,
5844 u64 *prev_stat, u64 *cur_stat)
5845 {
5846 u64 new_data = rd64(hw, reg) & (BIT_ULL(40) - 1);
5847
5848 /* device stats are not reset at PFR, they likely will not be zeroed
5849 * when the driver starts. Thus, save the value from the first read
5850 * without adding to the statistic value so that we report stats which
5851 * count up from zero.
5852 */
5853 if (!prev_stat_loaded) {
5854 *prev_stat = new_data;
5855 return;
5856 }
5857
5858 /* Calculate the difference between the new and old values, and then
5859 * add it to the software stat value.
5860 */
5861 if (new_data >= *prev_stat)
5862 *cur_stat += new_data - *prev_stat;
5863 else
5864 /* to manage the potential roll-over */
5865 *cur_stat += (new_data + BIT_ULL(40)) - *prev_stat;
5866
5867 /* Update the previously stored value to prepare for next read */
5868 *prev_stat = new_data;
5869 }
5870
5871 /**
5872 * ice_stat_update32 - read 32 bit stat from the chip and update stat values
5873 * @hw: ptr to the hardware info
5874 * @reg: offset of HW register to read from
5875 * @prev_stat_loaded: bool to specify if previous stats are loaded
5876 * @prev_stat: ptr to previous loaded stat value
5877 * @cur_stat: ptr to current stat value
5878 */
5879 void
ice_stat_update32(struct ice_hw * hw,u32 reg,bool prev_stat_loaded,u64 * prev_stat,u64 * cur_stat)5880 ice_stat_update32(struct ice_hw *hw, u32 reg, bool prev_stat_loaded,
5881 u64 *prev_stat, u64 *cur_stat)
5882 {
5883 u32 new_data;
5884
5885 new_data = rd32(hw, reg);
5886
5887 /* device stats are not reset at PFR, they likely will not be zeroed
5888 * when the driver starts. Thus, save the value from the first read
5889 * without adding to the statistic value so that we report stats which
5890 * count up from zero.
5891 */
5892 if (!prev_stat_loaded) {
5893 *prev_stat = new_data;
5894 return;
5895 }
5896
5897 /* Calculate the difference between the new and old values, and then
5898 * add it to the software stat value.
5899 */
5900 if (new_data >= *prev_stat)
5901 *cur_stat += new_data - *prev_stat;
5902 else
5903 /* to manage the potential roll-over */
5904 *cur_stat += (new_data + BIT_ULL(32)) - *prev_stat;
5905
5906 /* Update the previously stored value to prepare for next read */
5907 *prev_stat = new_data;
5908 }
5909
5910 /**
5911 * ice_sched_query_elem - query element information from HW
5912 * @hw: pointer to the HW struct
5913 * @node_teid: node TEID to be queried
5914 * @buf: buffer to element information
5915 *
5916 * This function queries HW element information
5917 */
5918 int
ice_sched_query_elem(struct ice_hw * hw,u32 node_teid,struct ice_aqc_txsched_elem_data * buf)5919 ice_sched_query_elem(struct ice_hw *hw, u32 node_teid,
5920 struct ice_aqc_txsched_elem_data *buf)
5921 {
5922 u16 buf_size, num_elem_ret = 0;
5923 int status;
5924
5925 buf_size = sizeof(*buf);
5926 memset(buf, 0, buf_size);
5927 buf->node_teid = cpu_to_le32(node_teid);
5928 status = ice_aq_query_sched_elems(hw, 1, buf, buf_size, &num_elem_ret,
5929 NULL);
5930 if (status || num_elem_ret != 1)
5931 ice_debug(hw, ICE_DBG_SCHED, "query element failed\n");
5932 return status;
5933 }
5934
5935 /**
5936 * ice_aq_read_i2c
5937 * @hw: pointer to the hw struct
5938 * @topo_addr: topology address for a device to communicate with
5939 * @bus_addr: 7-bit I2C bus address
5940 * @addr: I2C memory address (I2C offset) with up to 16 bits
5941 * @params: I2C parameters: bit [7] - Repeated start,
5942 * bits [6:5] data offset size,
5943 * bit [4] - I2C address type,
5944 * bits [3:0] - data size to read (0-16 bytes)
5945 * @data: pointer to data (0 to 16 bytes) to be read from the I2C device
5946 * @cd: pointer to command details structure or NULL
5947 *
5948 * Read I2C (0x06E2)
5949 */
5950 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)5951 ice_aq_read_i2c(struct ice_hw *hw, struct ice_aqc_link_topo_addr topo_addr,
5952 u16 bus_addr, __le16 addr, u8 params, u8 *data,
5953 struct ice_sq_cd *cd)
5954 {
5955 struct libie_aq_desc desc = { 0 };
5956 struct ice_aqc_i2c *cmd;
5957 u8 data_size;
5958 int status;
5959
5960 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_read_i2c);
5961 cmd = libie_aq_raw(&desc);
5962
5963 if (!data)
5964 return -EINVAL;
5965
5966 data_size = FIELD_GET(ICE_AQC_I2C_DATA_SIZE_M, params);
5967
5968 cmd->i2c_bus_addr = cpu_to_le16(bus_addr);
5969 cmd->topo_addr = topo_addr;
5970 cmd->i2c_params = params;
5971 cmd->i2c_addr = addr;
5972
5973 status = ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
5974 if (!status) {
5975 struct ice_aqc_read_i2c_resp *resp;
5976 u8 i;
5977
5978 resp = libie_aq_raw(&desc);
5979 for (i = 0; i < data_size; i++) {
5980 *data = resp->i2c_data[i];
5981 data++;
5982 }
5983 }
5984
5985 return status;
5986 }
5987
5988 /**
5989 * ice_aq_write_i2c
5990 * @hw: pointer to the hw struct
5991 * @topo_addr: topology address for a device to communicate with
5992 * @bus_addr: 7-bit I2C bus address
5993 * @addr: I2C memory address (I2C offset) with up to 16 bits
5994 * @params: I2C parameters: bit [4] - I2C address type, bits [3:0] - data size to write (0-7 bytes)
5995 * @data: pointer to data (0 to 4 bytes) to be written to the I2C device
5996 * @cd: pointer to command details structure or NULL
5997 *
5998 * Write I2C (0x06E3)
5999 *
6000 * * Return:
6001 * * 0 - Successful write to the i2c device
6002 * * -EINVAL - Data size greater than 4 bytes
6003 * * -EIO - FW error
6004 */
6005 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)6006 ice_aq_write_i2c(struct ice_hw *hw, struct ice_aqc_link_topo_addr topo_addr,
6007 u16 bus_addr, __le16 addr, u8 params, const u8 *data,
6008 struct ice_sq_cd *cd)
6009 {
6010 struct libie_aq_desc desc = { 0 };
6011 struct ice_aqc_i2c *cmd;
6012 u8 data_size;
6013
6014 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_write_i2c);
6015 cmd = libie_aq_raw(&desc);
6016
6017 data_size = FIELD_GET(ICE_AQC_I2C_DATA_SIZE_M, params);
6018
6019 /* data_size limited to 4 */
6020 if (data_size > 4)
6021 return -EINVAL;
6022
6023 cmd->i2c_bus_addr = cpu_to_le16(bus_addr);
6024 cmd->topo_addr = topo_addr;
6025 cmd->i2c_params = params;
6026 cmd->i2c_addr = addr;
6027
6028 memcpy(cmd->i2c_data, data, data_size);
6029
6030 return ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
6031 }
6032
6033 /**
6034 * ice_get_pca9575_handle - find and return the PCA9575 controller
6035 * @hw: pointer to the hw struct
6036 * @pca9575_handle: GPIO controller's handle
6037 *
6038 * Find and return the GPIO controller's handle in the netlist.
6039 * When found - the value will be cached in the hw structure and following calls
6040 * will return cached value.
6041 *
6042 * Return: 0 on success, -ENXIO when there's no PCA9575 present.
6043 */
ice_get_pca9575_handle(struct ice_hw * hw,u16 * pca9575_handle)6044 int ice_get_pca9575_handle(struct ice_hw *hw, u16 *pca9575_handle)
6045 {
6046 struct ice_aqc_get_link_topo *cmd;
6047 struct libie_aq_desc desc;
6048 int err;
6049 u8 idx;
6050
6051 /* If handle was read previously return cached value */
6052 if (hw->io_expander_handle) {
6053 *pca9575_handle = hw->io_expander_handle;
6054 return 0;
6055 }
6056
6057 #define SW_PCA9575_SFP_TOPO_IDX 2
6058 #define SW_PCA9575_QSFP_TOPO_IDX 1
6059
6060 /* Check if the SW IO expander controlling SMA exists in the netlist. */
6061 if (hw->device_id == ICE_DEV_ID_E810C_SFP)
6062 idx = SW_PCA9575_SFP_TOPO_IDX;
6063 else if (hw->device_id == ICE_DEV_ID_E810C_QSFP)
6064 idx = SW_PCA9575_QSFP_TOPO_IDX;
6065 else
6066 return -ENXIO;
6067
6068 /* If handle was not detected read it from the netlist */
6069 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_link_topo);
6070 cmd = libie_aq_raw(&desc);
6071 cmd->addr.topo_params.node_type_ctx =
6072 ICE_AQC_LINK_TOPO_NODE_TYPE_GPIO_CTRL;
6073 cmd->addr.topo_params.index = idx;
6074
6075 err = ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
6076 if (err)
6077 return -ENXIO;
6078
6079 /* Verify if we found the right IO expander type */
6080 if (cmd->node_part_num != ICE_AQC_GET_LINK_TOPO_NODE_NR_PCA9575)
6081 return -ENXIO;
6082
6083 /* If present save the handle and return it */
6084 hw->io_expander_handle =
6085 le16_to_cpu(cmd->addr.handle);
6086 *pca9575_handle = hw->io_expander_handle;
6087
6088 return 0;
6089 }
6090
6091 /**
6092 * ice_read_pca9575_reg - read the register from the PCA9575 controller
6093 * @hw: pointer to the hw struct
6094 * @offset: GPIO controller register offset
6095 * @data: pointer to data to be read from the GPIO controller
6096 *
6097 * Return: 0 on success, negative error code otherwise.
6098 */
ice_read_pca9575_reg(struct ice_hw * hw,u8 offset,u8 * data)6099 int ice_read_pca9575_reg(struct ice_hw *hw, u8 offset, u8 *data)
6100 {
6101 struct ice_aqc_link_topo_addr link_topo;
6102 __le16 addr;
6103 u16 handle;
6104 int err;
6105
6106 memset(&link_topo, 0, sizeof(link_topo));
6107
6108 err = ice_get_pca9575_handle(hw, &handle);
6109 if (err)
6110 return err;
6111
6112 link_topo.handle = cpu_to_le16(handle);
6113 link_topo.topo_params.node_type_ctx =
6114 FIELD_PREP(ICE_AQC_LINK_TOPO_NODE_CTX_M,
6115 ICE_AQC_LINK_TOPO_NODE_CTX_PROVIDED);
6116
6117 addr = cpu_to_le16((u16)offset);
6118
6119 return ice_aq_read_i2c(hw, link_topo, 0, addr, 1, data, NULL);
6120 }
6121
6122 /**
6123 * ice_aq_set_gpio
6124 * @hw: pointer to the hw struct
6125 * @gpio_ctrl_handle: GPIO controller node handle
6126 * @pin_idx: IO Number of the GPIO that needs to be set
6127 * @value: SW provide IO value to set in the LSB
6128 * @cd: pointer to command details structure or NULL
6129 *
6130 * Sends 0x06EC AQ command to set the GPIO pin state that's part of the topology
6131 */
6132 int
ice_aq_set_gpio(struct ice_hw * hw,u16 gpio_ctrl_handle,u8 pin_idx,bool value,struct ice_sq_cd * cd)6133 ice_aq_set_gpio(struct ice_hw *hw, u16 gpio_ctrl_handle, u8 pin_idx, bool value,
6134 struct ice_sq_cd *cd)
6135 {
6136 struct libie_aq_desc desc;
6137 struct ice_aqc_gpio *cmd;
6138
6139 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_gpio);
6140 cmd = libie_aq_raw(&desc);
6141 cmd->gpio_ctrl_handle = cpu_to_le16(gpio_ctrl_handle);
6142 cmd->gpio_num = pin_idx;
6143 cmd->gpio_val = value ? 1 : 0;
6144
6145 return ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
6146 }
6147
6148 /**
6149 * ice_aq_get_gpio
6150 * @hw: pointer to the hw struct
6151 * @gpio_ctrl_handle: GPIO controller node handle
6152 * @pin_idx: IO Number of the GPIO that needs to be set
6153 * @value: IO value read
6154 * @cd: pointer to command details structure or NULL
6155 *
6156 * Sends 0x06ED AQ command to get the value of a GPIO signal which is part of
6157 * the topology
6158 */
6159 int
ice_aq_get_gpio(struct ice_hw * hw,u16 gpio_ctrl_handle,u8 pin_idx,bool * value,struct ice_sq_cd * cd)6160 ice_aq_get_gpio(struct ice_hw *hw, u16 gpio_ctrl_handle, u8 pin_idx,
6161 bool *value, struct ice_sq_cd *cd)
6162 {
6163 struct libie_aq_desc desc;
6164 struct ice_aqc_gpio *cmd;
6165 int status;
6166
6167 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_gpio);
6168 cmd = libie_aq_raw(&desc);
6169 cmd->gpio_ctrl_handle = cpu_to_le16(gpio_ctrl_handle);
6170 cmd->gpio_num = pin_idx;
6171
6172 status = ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
6173 if (status)
6174 return status;
6175
6176 *value = !!cmd->gpio_val;
6177 return 0;
6178 }
6179
6180 /**
6181 * ice_is_fw_api_min_ver
6182 * @hw: pointer to the hardware structure
6183 * @maj: major version
6184 * @min: minor version
6185 * @patch: patch version
6186 *
6187 * Checks if the firmware API is minimum version
6188 */
ice_is_fw_api_min_ver(struct ice_hw * hw,u8 maj,u8 min,u8 patch)6189 static bool ice_is_fw_api_min_ver(struct ice_hw *hw, u8 maj, u8 min, u8 patch)
6190 {
6191 if (hw->api_maj_ver == maj) {
6192 if (hw->api_min_ver > min)
6193 return true;
6194 if (hw->api_min_ver == min && hw->api_patch >= patch)
6195 return true;
6196 } else if (hw->api_maj_ver > maj) {
6197 return true;
6198 }
6199
6200 return false;
6201 }
6202
6203 /**
6204 * ice_fw_supports_link_override
6205 * @hw: pointer to the hardware structure
6206 *
6207 * Checks if the firmware supports link override
6208 */
ice_fw_supports_link_override(struct ice_hw * hw)6209 bool ice_fw_supports_link_override(struct ice_hw *hw)
6210 {
6211 return ice_is_fw_api_min_ver(hw, ICE_FW_API_LINK_OVERRIDE_MAJ,
6212 ICE_FW_API_LINK_OVERRIDE_MIN,
6213 ICE_FW_API_LINK_OVERRIDE_PATCH);
6214 }
6215
6216 /**
6217 * ice_get_link_default_override
6218 * @ldo: pointer to the link default override struct
6219 * @pi: pointer to the port info struct
6220 *
6221 * Gets the link default override for a port
6222 */
6223 int
ice_get_link_default_override(struct ice_link_default_override_tlv * ldo,struct ice_port_info * pi)6224 ice_get_link_default_override(struct ice_link_default_override_tlv *ldo,
6225 struct ice_port_info *pi)
6226 {
6227 u16 i, tlv, tlv_len, tlv_start, buf, offset;
6228 struct ice_hw *hw = pi->hw;
6229 int status;
6230
6231 status = ice_get_pfa_module_tlv(hw, &tlv, &tlv_len,
6232 ICE_SR_LINK_DEFAULT_OVERRIDE_PTR);
6233 if (status) {
6234 ice_debug(hw, ICE_DBG_INIT, "Failed to read link override TLV.\n");
6235 return status;
6236 }
6237
6238 /* Each port has its own config; calculate for our port */
6239 tlv_start = tlv + pi->lport * ICE_SR_PFA_LINK_OVERRIDE_WORDS +
6240 ICE_SR_PFA_LINK_OVERRIDE_OFFSET;
6241
6242 /* link options first */
6243 status = ice_read_sr_word(hw, tlv_start, &buf);
6244 if (status) {
6245 ice_debug(hw, ICE_DBG_INIT, "Failed to read override link options.\n");
6246 return status;
6247 }
6248 ldo->options = FIELD_GET(ICE_LINK_OVERRIDE_OPT_M, buf);
6249 ldo->phy_config = (buf & ICE_LINK_OVERRIDE_PHY_CFG_M) >>
6250 ICE_LINK_OVERRIDE_PHY_CFG_S;
6251
6252 /* link PHY config */
6253 offset = tlv_start + ICE_SR_PFA_LINK_OVERRIDE_FEC_OFFSET;
6254 status = ice_read_sr_word(hw, offset, &buf);
6255 if (status) {
6256 ice_debug(hw, ICE_DBG_INIT, "Failed to read override phy config.\n");
6257 return status;
6258 }
6259 ldo->fec_options = buf & ICE_LINK_OVERRIDE_FEC_OPT_M;
6260
6261 /* PHY types low */
6262 offset = tlv_start + ICE_SR_PFA_LINK_OVERRIDE_PHY_OFFSET;
6263 for (i = 0; i < ICE_SR_PFA_LINK_OVERRIDE_PHY_WORDS; i++) {
6264 status = ice_read_sr_word(hw, (offset + i), &buf);
6265 if (status) {
6266 ice_debug(hw, ICE_DBG_INIT, "Failed to read override link options.\n");
6267 return status;
6268 }
6269 /* shift 16 bits at a time to fill 64 bits */
6270 ldo->phy_type_low |= ((u64)buf << (i * 16));
6271 }
6272
6273 /* PHY types high */
6274 offset = tlv_start + ICE_SR_PFA_LINK_OVERRIDE_PHY_OFFSET +
6275 ICE_SR_PFA_LINK_OVERRIDE_PHY_WORDS;
6276 for (i = 0; i < ICE_SR_PFA_LINK_OVERRIDE_PHY_WORDS; i++) {
6277 status = ice_read_sr_word(hw, (offset + i), &buf);
6278 if (status) {
6279 ice_debug(hw, ICE_DBG_INIT, "Failed to read override link options.\n");
6280 return status;
6281 }
6282 /* shift 16 bits at a time to fill 64 bits */
6283 ldo->phy_type_high |= ((u64)buf << (i * 16));
6284 }
6285
6286 return status;
6287 }
6288
6289 /**
6290 * ice_is_phy_caps_an_enabled - check if PHY capabilities autoneg is enabled
6291 * @caps: get PHY capability data
6292 */
ice_is_phy_caps_an_enabled(struct ice_aqc_get_phy_caps_data * caps)6293 bool ice_is_phy_caps_an_enabled(struct ice_aqc_get_phy_caps_data *caps)
6294 {
6295 if (caps->caps & ICE_AQC_PHY_AN_MODE ||
6296 caps->low_power_ctrl_an & (ICE_AQC_PHY_AN_EN_CLAUSE28 |
6297 ICE_AQC_PHY_AN_EN_CLAUSE73 |
6298 ICE_AQC_PHY_AN_EN_CLAUSE37))
6299 return true;
6300
6301 return false;
6302 }
6303
6304 /**
6305 * ice_is_fw_health_report_supported - checks if firmware supports health events
6306 * @hw: pointer to the hardware structure
6307 *
6308 * Return: true if firmware supports health status reports,
6309 * false otherwise
6310 */
ice_is_fw_health_report_supported(struct ice_hw * hw)6311 bool ice_is_fw_health_report_supported(struct ice_hw *hw)
6312 {
6313 return ice_is_fw_api_min_ver(hw, ICE_FW_API_HEALTH_REPORT_MAJ,
6314 ICE_FW_API_HEALTH_REPORT_MIN,
6315 ICE_FW_API_HEALTH_REPORT_PATCH);
6316 }
6317
6318 /**
6319 * ice_aq_set_health_status_cfg - Configure FW health events
6320 * @hw: pointer to the HW struct
6321 * @event_source: type of diagnostic events to enable
6322 *
6323 * Configure the health status event types that the firmware will send to this
6324 * PF. The supported event types are: PF-specific, all PFs, and global.
6325 *
6326 * Return: 0 on success, negative error code otherwise.
6327 */
ice_aq_set_health_status_cfg(struct ice_hw * hw,u8 event_source)6328 int ice_aq_set_health_status_cfg(struct ice_hw *hw, u8 event_source)
6329 {
6330 struct ice_aqc_set_health_status_cfg *cmd;
6331 struct libie_aq_desc desc;
6332
6333 cmd = libie_aq_raw(&desc);
6334
6335 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_health_status_cfg);
6336
6337 cmd->event_source = event_source;
6338
6339 return ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
6340 }
6341
6342 /**
6343 * ice_aq_set_lldp_mib - Set the LLDP MIB
6344 * @hw: pointer to the HW struct
6345 * @mib_type: Local, Remote or both Local and Remote MIBs
6346 * @buf: pointer to the caller-supplied buffer to store the MIB block
6347 * @buf_size: size of the buffer (in bytes)
6348 * @cd: pointer to command details structure or NULL
6349 *
6350 * Set the LLDP MIB. (0x0A08)
6351 */
6352 int
ice_aq_set_lldp_mib(struct ice_hw * hw,u8 mib_type,void * buf,u16 buf_size,struct ice_sq_cd * cd)6353 ice_aq_set_lldp_mib(struct ice_hw *hw, u8 mib_type, void *buf, u16 buf_size,
6354 struct ice_sq_cd *cd)
6355 {
6356 struct ice_aqc_lldp_set_local_mib *cmd;
6357 struct libie_aq_desc desc;
6358
6359 cmd = libie_aq_raw(&desc);
6360
6361 if (buf_size == 0 || !buf)
6362 return -EINVAL;
6363
6364 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_lldp_set_local_mib);
6365
6366 desc.flags |= cpu_to_le16((u16)LIBIE_AQ_FLAG_RD);
6367 desc.datalen = cpu_to_le16(buf_size);
6368
6369 cmd->type = mib_type;
6370 cmd->length = cpu_to_le16(buf_size);
6371
6372 return ice_aq_send_cmd(hw, &desc, buf, buf_size, cd);
6373 }
6374
6375 /**
6376 * ice_fw_supports_lldp_fltr_ctrl - check NVM version supports lldp_fltr_ctrl
6377 * @hw: pointer to HW struct
6378 */
ice_fw_supports_lldp_fltr_ctrl(struct ice_hw * hw)6379 bool ice_fw_supports_lldp_fltr_ctrl(struct ice_hw *hw)
6380 {
6381 if (hw->mac_type != ICE_MAC_E810)
6382 return false;
6383
6384 return ice_is_fw_api_min_ver(hw, ICE_FW_API_LLDP_FLTR_MAJ,
6385 ICE_FW_API_LLDP_FLTR_MIN,
6386 ICE_FW_API_LLDP_FLTR_PATCH);
6387 }
6388
6389 /**
6390 * ice_lldp_fltr_add_remove - add or remove a LLDP Rx switch filter
6391 * @hw: pointer to HW struct
6392 * @vsi: VSI to add the filter to
6393 * @add: boolean for if adding or removing a filter
6394 *
6395 * Return: 0 on success, -EOPNOTSUPP if the operation cannot be performed
6396 * with this HW or VSI, otherwise an error corresponding to
6397 * the AQ transaction result.
6398 */
ice_lldp_fltr_add_remove(struct ice_hw * hw,struct ice_vsi * vsi,bool add)6399 int ice_lldp_fltr_add_remove(struct ice_hw *hw, struct ice_vsi *vsi, bool add)
6400 {
6401 struct ice_aqc_lldp_filter_ctrl *cmd;
6402 struct libie_aq_desc desc;
6403
6404 if (!ice_fw_supports_lldp_fltr_ctrl(hw))
6405 return -EOPNOTSUPP;
6406
6407 cmd = libie_aq_raw(&desc);
6408
6409 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_lldp_filter_ctrl);
6410
6411 if (add)
6412 cmd->cmd_flags = ICE_AQC_LLDP_FILTER_ACTION_ADD;
6413 else
6414 cmd->cmd_flags = ICE_AQC_LLDP_FILTER_ACTION_DELETE;
6415
6416 cmd->vsi_num = cpu_to_le16(vsi->vsi_num);
6417
6418 return ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
6419 }
6420
6421 /**
6422 * ice_lldp_execute_pending_mib - execute LLDP pending MIB request
6423 * @hw: pointer to HW struct
6424 */
ice_lldp_execute_pending_mib(struct ice_hw * hw)6425 int ice_lldp_execute_pending_mib(struct ice_hw *hw)
6426 {
6427 struct libie_aq_desc desc;
6428
6429 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_lldp_execute_pending_mib);
6430
6431 return ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
6432 }
6433
6434 /**
6435 * ice_fw_supports_report_dflt_cfg
6436 * @hw: pointer to the hardware structure
6437 *
6438 * Checks if the firmware supports report default configuration
6439 */
ice_fw_supports_report_dflt_cfg(struct ice_hw * hw)6440 bool ice_fw_supports_report_dflt_cfg(struct ice_hw *hw)
6441 {
6442 return ice_is_fw_api_min_ver(hw, ICE_FW_API_REPORT_DFLT_CFG_MAJ,
6443 ICE_FW_API_REPORT_DFLT_CFG_MIN,
6444 ICE_FW_API_REPORT_DFLT_CFG_PATCH);
6445 }
6446
6447 /* each of the indexes into the following array match the speed of a return
6448 * value from the list of AQ returned speeds like the range:
6449 * ICE_AQ_LINK_SPEED_10MB .. ICE_AQ_LINK_SPEED_100GB excluding
6450 * ICE_AQ_LINK_SPEED_UNKNOWN which is BIT(15) and maps to BIT(14) in this
6451 * array. The array is defined as 15 elements long because the link_speed
6452 * returned by the firmware is a 16 bit * value, but is indexed
6453 * by [fls(speed) - 1]
6454 */
6455 static const u32 ice_aq_to_link_speed[] = {
6456 SPEED_10, /* BIT(0) */
6457 SPEED_100,
6458 SPEED_1000,
6459 SPEED_2500,
6460 SPEED_5000,
6461 SPEED_10000,
6462 SPEED_20000,
6463 SPEED_25000,
6464 SPEED_40000,
6465 SPEED_50000,
6466 SPEED_100000, /* BIT(10) */
6467 SPEED_200000,
6468 };
6469
6470 /**
6471 * ice_get_link_speed - get integer speed from table
6472 * @index: array index from fls(aq speed) - 1
6473 *
6474 * Returns: u32 value containing integer speed
6475 */
ice_get_link_speed(u16 index)6476 u32 ice_get_link_speed(u16 index)
6477 {
6478 if (index >= ARRAY_SIZE(ice_aq_to_link_speed))
6479 return 0;
6480
6481 return ice_aq_to_link_speed[index];
6482 }
6483
6484 /**
6485 * ice_get_dest_cgu - get destination CGU dev for given HW
6486 * @hw: pointer to the HW struct
6487 *
6488 * Get CGU client id for CGU register read/write operations.
6489 *
6490 * Return: CGU device id to use in SBQ transactions.
6491 */
ice_get_dest_cgu(struct ice_hw * hw)6492 static enum ice_sbq_dev_id ice_get_dest_cgu(struct ice_hw *hw)
6493 {
6494 /* On dual complex E825 only complex 0 has functional CGU powering all
6495 * the PHYs.
6496 * SBQ destination device cgu points to CGU on a current complex and to
6497 * access primary CGU from the secondary complex, the driver should use
6498 * cgu_peer as a destination device.
6499 */
6500 if (hw->mac_type == ICE_MAC_GENERIC_3K_E825 && ice_is_dual(hw) &&
6501 !ice_is_primary(hw))
6502 return ice_sbq_dev_cgu_peer;
6503 return ice_sbq_dev_cgu;
6504 }
6505
6506 /**
6507 * ice_read_cgu_reg - Read a CGU register
6508 * @hw: Pointer to the HW struct
6509 * @addr: Register address to read
6510 * @val: Storage for register value read
6511 *
6512 * Read the contents of a register of the Clock Generation Unit. Only
6513 * applicable to E82X devices.
6514 *
6515 * Return: 0 on success, other error codes when failed to read from CGU.
6516 */
ice_read_cgu_reg(struct ice_hw * hw,u32 addr,u32 * val)6517 int ice_read_cgu_reg(struct ice_hw *hw, u32 addr, u32 *val)
6518 {
6519 struct ice_sbq_msg_input cgu_msg = {
6520 .dest_dev = ice_get_dest_cgu(hw),
6521 .opcode = ice_sbq_msg_rd,
6522 .msg_addr_low = addr
6523 };
6524 int err;
6525
6526 err = ice_sbq_rw_reg(hw, &cgu_msg, LIBIE_AQ_FLAG_RD);
6527 if (err) {
6528 ice_debug(hw, ICE_DBG_PTP, "Failed to read CGU register 0x%04x, err %d\n",
6529 addr, err);
6530 return err;
6531 }
6532
6533 *val = cgu_msg.data;
6534
6535 return 0;
6536 }
6537
6538 /**
6539 * ice_write_cgu_reg - Write a CGU register
6540 * @hw: Pointer to the HW struct
6541 * @addr: Register address to write
6542 * @val: Value to write into the register
6543 *
6544 * Write the specified value to a register of the Clock Generation Unit. Only
6545 * applicable to E82X devices.
6546 *
6547 * Return: 0 on success, other error codes when failed to write to CGU.
6548 */
ice_write_cgu_reg(struct ice_hw * hw,u32 addr,u32 val)6549 int ice_write_cgu_reg(struct ice_hw *hw, u32 addr, u32 val)
6550 {
6551 struct ice_sbq_msg_input cgu_msg = {
6552 .dest_dev = ice_get_dest_cgu(hw),
6553 .opcode = ice_sbq_msg_wr,
6554 .msg_addr_low = addr,
6555 .data = val
6556 };
6557 int err;
6558
6559 err = ice_sbq_rw_reg(hw, &cgu_msg, LIBIE_AQ_FLAG_RD);
6560 if (err)
6561 ice_debug(hw, ICE_DBG_PTP, "Failed to write CGU register 0x%04x, err %d\n",
6562 addr, err);
6563
6564 return err;
6565 }
6566