xref: /linux/drivers/net/ethernet/intel/ice/ice_common.c (revision abacaf559950eec0d99d37ff6b92049409af5943)
1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright (c) 2018-2023, Intel Corporation. */
3 
4 #include "ice_common.h"
5 #include "ice_sched.h"
6 #include "ice_adminq_cmd.h"
7 #include "ice_flow.h"
8 #include "ice_ptp_hw.h"
9 #include <linux/packing.h>
10 
11 #define ICE_PF_RESET_WAIT_COUNT	300
12 #define ICE_MAX_NETLIST_SIZE	10
13 
14 static const char * const ice_link_mode_str_low[] = {
15 	[0] = "100BASE_TX",
16 	[1] = "100M_SGMII",
17 	[2] = "1000BASE_T",
18 	[3] = "1000BASE_SX",
19 	[4] = "1000BASE_LX",
20 	[5] = "1000BASE_KX",
21 	[6] = "1G_SGMII",
22 	[7] = "2500BASE_T",
23 	[8] = "2500BASE_X",
24 	[9] = "2500BASE_KX",
25 	[10] = "5GBASE_T",
26 	[11] = "5GBASE_KR",
27 	[12] = "10GBASE_T",
28 	[13] = "10G_SFI_DA",
29 	[14] = "10GBASE_SR",
30 	[15] = "10GBASE_LR",
31 	[16] = "10GBASE_KR_CR1",
32 	[17] = "10G_SFI_AOC_ACC",
33 	[18] = "10G_SFI_C2C",
34 	[19] = "25GBASE_T",
35 	[20] = "25GBASE_CR",
36 	[21] = "25GBASE_CR_S",
37 	[22] = "25GBASE_CR1",
38 	[23] = "25GBASE_SR",
39 	[24] = "25GBASE_LR",
40 	[25] = "25GBASE_KR",
41 	[26] = "25GBASE_KR_S",
42 	[27] = "25GBASE_KR1",
43 	[28] = "25G_AUI_AOC_ACC",
44 	[29] = "25G_AUI_C2C",
45 	[30] = "40GBASE_CR4",
46 	[31] = "40GBASE_SR4",
47 	[32] = "40GBASE_LR4",
48 	[33] = "40GBASE_KR4",
49 	[34] = "40G_XLAUI_AOC_ACC",
50 	[35] = "40G_XLAUI",
51 	[36] = "50GBASE_CR2",
52 	[37] = "50GBASE_SR2",
53 	[38] = "50GBASE_LR2",
54 	[39] = "50GBASE_KR2",
55 	[40] = "50G_LAUI2_AOC_ACC",
56 	[41] = "50G_LAUI2",
57 	[42] = "50G_AUI2_AOC_ACC",
58 	[43] = "50G_AUI2",
59 	[44] = "50GBASE_CP",
60 	[45] = "50GBASE_SR",
61 	[46] = "50GBASE_FR",
62 	[47] = "50GBASE_LR",
63 	[48] = "50GBASE_KR_PAM4",
64 	[49] = "50G_AUI1_AOC_ACC",
65 	[50] = "50G_AUI1",
66 	[51] = "100GBASE_CR4",
67 	[52] = "100GBASE_SR4",
68 	[53] = "100GBASE_LR4",
69 	[54] = "100GBASE_KR4",
70 	[55] = "100G_CAUI4_AOC_ACC",
71 	[56] = "100G_CAUI4",
72 	[57] = "100G_AUI4_AOC_ACC",
73 	[58] = "100G_AUI4",
74 	[59] = "100GBASE_CR_PAM4",
75 	[60] = "100GBASE_KR_PAM4",
76 	[61] = "100GBASE_CP2",
77 	[62] = "100GBASE_SR2",
78 	[63] = "100GBASE_DR",
79 };
80 
81 static const char * const ice_link_mode_str_high[] = {
82 	[0] = "100GBASE_KR2_PAM4",
83 	[1] = "100G_CAUI2_AOC_ACC",
84 	[2] = "100G_CAUI2",
85 	[3] = "100G_AUI2_AOC_ACC",
86 	[4] = "100G_AUI2",
87 };
88 
89 /**
90  * ice_dump_phy_type - helper function to dump phy_type
91  * @hw: pointer to the HW structure
92  * @low: 64 bit value for phy_type_low
93  * @high: 64 bit value for phy_type_high
94  * @prefix: prefix string to differentiate multiple dumps
95  */
96 static void
ice_dump_phy_type(struct ice_hw * hw,u64 low,u64 high,const char * prefix)97 ice_dump_phy_type(struct ice_hw *hw, u64 low, u64 high, const char *prefix)
98 {
99 	ice_debug(hw, ICE_DBG_PHY, "%s: phy_type_low: 0x%016llx\n", prefix, low);
100 
101 	for (u32 i = 0; i < BITS_PER_TYPE(typeof(low)); i++) {
102 		if (low & BIT_ULL(i))
103 			ice_debug(hw, ICE_DBG_PHY, "%s:   bit(%d): %s\n",
104 				  prefix, i, ice_link_mode_str_low[i]);
105 	}
106 
107 	ice_debug(hw, ICE_DBG_PHY, "%s: phy_type_high: 0x%016llx\n", prefix, high);
108 
109 	for (u32 i = 0; i < BITS_PER_TYPE(typeof(high)); i++) {
110 		if (high & BIT_ULL(i))
111 			ice_debug(hw, ICE_DBG_PHY, "%s:   bit(%d): %s\n",
112 				  prefix, i, ice_link_mode_str_high[i]);
113 	}
114 }
115 
116 /**
117  * ice_set_mac_type - Sets MAC type
118  * @hw: pointer to the HW structure
119  *
120  * This function sets the MAC type of the adapter based on the
121  * vendor ID and device ID stored in the HW structure.
122  */
ice_set_mac_type(struct ice_hw * hw)123 static int ice_set_mac_type(struct ice_hw *hw)
124 {
125 	if (hw->vendor_id != PCI_VENDOR_ID_INTEL)
126 		return -ENODEV;
127 
128 	switch (hw->device_id) {
129 	case ICE_DEV_ID_E810C_BACKPLANE:
130 	case ICE_DEV_ID_E810C_QSFP:
131 	case ICE_DEV_ID_E810C_SFP:
132 	case ICE_DEV_ID_E810_XXV_BACKPLANE:
133 	case ICE_DEV_ID_E810_XXV_QSFP:
134 	case ICE_DEV_ID_E810_XXV_SFP:
135 		hw->mac_type = ICE_MAC_E810;
136 		break;
137 	case ICE_DEV_ID_E823C_10G_BASE_T:
138 	case ICE_DEV_ID_E823C_BACKPLANE:
139 	case ICE_DEV_ID_E823C_QSFP:
140 	case ICE_DEV_ID_E823C_SFP:
141 	case ICE_DEV_ID_E823C_SGMII:
142 	case ICE_DEV_ID_E822C_10G_BASE_T:
143 	case ICE_DEV_ID_E822C_BACKPLANE:
144 	case ICE_DEV_ID_E822C_QSFP:
145 	case ICE_DEV_ID_E822C_SFP:
146 	case ICE_DEV_ID_E822C_SGMII:
147 	case ICE_DEV_ID_E822L_10G_BASE_T:
148 	case ICE_DEV_ID_E822L_BACKPLANE:
149 	case ICE_DEV_ID_E822L_SFP:
150 	case ICE_DEV_ID_E822L_SGMII:
151 	case ICE_DEV_ID_E823L_10G_BASE_T:
152 	case ICE_DEV_ID_E823L_1GBE:
153 	case ICE_DEV_ID_E823L_BACKPLANE:
154 	case ICE_DEV_ID_E823L_QSFP:
155 	case ICE_DEV_ID_E823L_SFP:
156 		hw->mac_type = ICE_MAC_GENERIC;
157 		break;
158 	case ICE_DEV_ID_E825C_BACKPLANE:
159 	case ICE_DEV_ID_E825C_QSFP:
160 	case ICE_DEV_ID_E825C_SFP:
161 	case ICE_DEV_ID_E825C_SGMII:
162 		hw->mac_type = ICE_MAC_GENERIC_3K_E825;
163 		break;
164 	case ICE_DEV_ID_E830CC_BACKPLANE:
165 	case ICE_DEV_ID_E830CC_QSFP56:
166 	case ICE_DEV_ID_E830CC_SFP:
167 	case ICE_DEV_ID_E830CC_SFP_DD:
168 	case ICE_DEV_ID_E830C_BACKPLANE:
169 	case ICE_DEV_ID_E830_XXV_BACKPLANE:
170 	case ICE_DEV_ID_E830C_QSFP:
171 	case ICE_DEV_ID_E830_XXV_QSFP:
172 	case ICE_DEV_ID_E830C_SFP:
173 	case ICE_DEV_ID_E830_XXV_SFP:
174 	case ICE_DEV_ID_E835CC_BACKPLANE:
175 	case ICE_DEV_ID_E835CC_QSFP56:
176 	case ICE_DEV_ID_E835CC_SFP:
177 	case ICE_DEV_ID_E835C_BACKPLANE:
178 	case ICE_DEV_ID_E835C_QSFP:
179 	case ICE_DEV_ID_E835C_SFP:
180 	case ICE_DEV_ID_E835_L_BACKPLANE:
181 	case ICE_DEV_ID_E835_L_QSFP:
182 	case ICE_DEV_ID_E835_L_SFP:
183 		hw->mac_type = ICE_MAC_E830;
184 		break;
185 	default:
186 		hw->mac_type = ICE_MAC_UNKNOWN;
187 		break;
188 	}
189 
190 	ice_debug(hw, ICE_DBG_INIT, "mac_type: %d\n", hw->mac_type);
191 	return 0;
192 }
193 
194 /**
195  * ice_is_generic_mac - check if device's mac_type is generic
196  * @hw: pointer to the hardware structure
197  *
198  * Return: true if mac_type is ICE_MAC_GENERIC*, false otherwise.
199  */
ice_is_generic_mac(struct ice_hw * hw)200 bool ice_is_generic_mac(struct ice_hw *hw)
201 {
202 	return (hw->mac_type == ICE_MAC_GENERIC ||
203 		hw->mac_type == ICE_MAC_GENERIC_3K_E825);
204 }
205 
206 /**
207  * ice_clear_pf_cfg - Clear PF configuration
208  * @hw: pointer to the hardware structure
209  *
210  * Clears any existing PF configuration (VSIs, VSI lists, switch rules, port
211  * configuration, flow director filters, etc.).
212  */
ice_clear_pf_cfg(struct ice_hw * hw)213 int ice_clear_pf_cfg(struct ice_hw *hw)
214 {
215 	struct libie_aq_desc desc;
216 
217 	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_clear_pf_cfg);
218 
219 	return ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
220 }
221 
222 /**
223  * ice_aq_manage_mac_read - manage MAC address read command
224  * @hw: pointer to the HW struct
225  * @buf: a virtual buffer to hold the manage MAC read response
226  * @buf_size: Size of the virtual buffer
227  * @cd: pointer to command details structure or NULL
228  *
229  * This function is used to return per PF station MAC address (0x0107).
230  * NOTE: Upon successful completion of this command, MAC address information
231  * is returned in user specified buffer. Please interpret user specified
232  * buffer as "manage_mac_read" response.
233  * Response such as various MAC addresses are stored in HW struct (port.mac)
234  * ice_discover_dev_caps is expected to be called before this function is
235  * called.
236  */
237 static int
ice_aq_manage_mac_read(struct ice_hw * hw,void * buf,u16 buf_size,struct ice_sq_cd * cd)238 ice_aq_manage_mac_read(struct ice_hw *hw, void *buf, u16 buf_size,
239 		       struct ice_sq_cd *cd)
240 {
241 	struct ice_aqc_manage_mac_read_resp *resp;
242 	struct ice_aqc_manage_mac_read *cmd;
243 	struct libie_aq_desc desc;
244 	int status;
245 	u16 flags;
246 	u8 i;
247 
248 	cmd = libie_aq_raw(&desc);
249 
250 	if (buf_size < sizeof(*resp))
251 		return -EINVAL;
252 
253 	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_manage_mac_read);
254 
255 	status = ice_aq_send_cmd(hw, &desc, buf, buf_size, cd);
256 	if (status)
257 		return status;
258 
259 	resp = buf;
260 	flags = le16_to_cpu(cmd->flags) & ICE_AQC_MAN_MAC_READ_M;
261 
262 	if (!(flags & ICE_AQC_MAN_MAC_LAN_ADDR_VALID)) {
263 		ice_debug(hw, ICE_DBG_LAN, "got invalid MAC address\n");
264 		return -EIO;
265 	}
266 
267 	/* A single port can report up to two (LAN and WoL) addresses */
268 	for (i = 0; i < cmd->num_addr; i++)
269 		if (resp[i].addr_type == ICE_AQC_MAN_MAC_ADDR_TYPE_LAN) {
270 			ether_addr_copy(hw->port_info->mac.lan_addr,
271 					resp[i].mac_addr);
272 			ether_addr_copy(hw->port_info->mac.perm_addr,
273 					resp[i].mac_addr);
274 			break;
275 		}
276 
277 	return 0;
278 }
279 
280 /**
281  * ice_aq_get_phy_caps - returns PHY capabilities
282  * @pi: port information structure
283  * @qual_mods: report qualified modules
284  * @report_mode: report mode capabilities
285  * @pcaps: structure for PHY capabilities to be filled
286  * @cd: pointer to command details structure or NULL
287  *
288  * Returns the various PHY capabilities supported on the Port (0x0600)
289  */
290 int
ice_aq_get_phy_caps(struct ice_port_info * pi,bool qual_mods,u8 report_mode,struct ice_aqc_get_phy_caps_data * pcaps,struct ice_sq_cd * cd)291 ice_aq_get_phy_caps(struct ice_port_info *pi, bool qual_mods, u8 report_mode,
292 		    struct ice_aqc_get_phy_caps_data *pcaps,
293 		    struct ice_sq_cd *cd)
294 {
295 	struct ice_aqc_get_phy_caps *cmd;
296 	u16 pcaps_size = sizeof(*pcaps);
297 	struct libie_aq_desc desc;
298 	const char *prefix;
299 	struct ice_hw *hw;
300 	int status;
301 
302 	cmd = libie_aq_raw(&desc);
303 
304 	if (!pcaps || (report_mode & ~ICE_AQC_REPORT_MODE_M) || !pi)
305 		return -EINVAL;
306 	hw = pi->hw;
307 
308 	if (report_mode == ICE_AQC_REPORT_DFLT_CFG &&
309 	    !ice_fw_supports_report_dflt_cfg(hw))
310 		return -EINVAL;
311 
312 	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_phy_caps);
313 
314 	if (qual_mods)
315 		cmd->param0 |= cpu_to_le16(ICE_AQC_GET_PHY_RQM);
316 
317 	cmd->param0 |= cpu_to_le16(report_mode);
318 	status = ice_aq_send_cmd(hw, &desc, pcaps, pcaps_size, cd);
319 
320 	ice_debug(hw, ICE_DBG_LINK, "get phy caps dump\n");
321 
322 	switch (report_mode) {
323 	case ICE_AQC_REPORT_TOPO_CAP_MEDIA:
324 		prefix = "phy_caps_media";
325 		break;
326 	case ICE_AQC_REPORT_TOPO_CAP_NO_MEDIA:
327 		prefix = "phy_caps_no_media";
328 		break;
329 	case ICE_AQC_REPORT_ACTIVE_CFG:
330 		prefix = "phy_caps_active";
331 		break;
332 	case ICE_AQC_REPORT_DFLT_CFG:
333 		prefix = "phy_caps_default";
334 		break;
335 	default:
336 		prefix = "phy_caps_invalid";
337 	}
338 
339 	ice_dump_phy_type(hw, le64_to_cpu(pcaps->phy_type_low),
340 			  le64_to_cpu(pcaps->phy_type_high), prefix);
341 
342 	ice_debug(hw, ICE_DBG_LINK, "%s: report_mode = 0x%x\n",
343 		  prefix, report_mode);
344 	ice_debug(hw, ICE_DBG_LINK, "%s: caps = 0x%x\n", prefix, pcaps->caps);
345 	ice_debug(hw, ICE_DBG_LINK, "%s: low_power_ctrl_an = 0x%x\n", prefix,
346 		  pcaps->low_power_ctrl_an);
347 	ice_debug(hw, ICE_DBG_LINK, "%s: eee_cap = 0x%x\n", prefix,
348 		  pcaps->eee_cap);
349 	ice_debug(hw, ICE_DBG_LINK, "%s: eeer_value = 0x%x\n", prefix,
350 		  pcaps->eeer_value);
351 	ice_debug(hw, ICE_DBG_LINK, "%s: link_fec_options = 0x%x\n", prefix,
352 		  pcaps->link_fec_options);
353 	ice_debug(hw, ICE_DBG_LINK, "%s: module_compliance_enforcement = 0x%x\n",
354 		  prefix, pcaps->module_compliance_enforcement);
355 	ice_debug(hw, ICE_DBG_LINK, "%s: extended_compliance_code = 0x%x\n",
356 		  prefix, pcaps->extended_compliance_code);
357 	ice_debug(hw, ICE_DBG_LINK, "%s: module_type[0] = 0x%x\n", prefix,
358 		  pcaps->module_type[0]);
359 	ice_debug(hw, ICE_DBG_LINK, "%s: module_type[1] = 0x%x\n", prefix,
360 		  pcaps->module_type[1]);
361 	ice_debug(hw, ICE_DBG_LINK, "%s: module_type[2] = 0x%x\n", prefix,
362 		  pcaps->module_type[2]);
363 
364 	if (!status && report_mode == ICE_AQC_REPORT_TOPO_CAP_MEDIA) {
365 		pi->phy.phy_type_low = le64_to_cpu(pcaps->phy_type_low);
366 		pi->phy.phy_type_high = le64_to_cpu(pcaps->phy_type_high);
367 		memcpy(pi->phy.link_info.module_type, &pcaps->module_type,
368 		       sizeof(pi->phy.link_info.module_type));
369 	}
370 
371 	return status;
372 }
373 
374 /**
375  * ice_aq_get_link_topo_handle - get link topology node return status
376  * @pi: port information structure
377  * @node_type: requested node type
378  * @cd: pointer to command details structure or NULL
379  *
380  * Get link topology node return status for specified node type (0x06E0)
381  *
382  * Node type cage can be used to determine if cage is present. If AQC
383  * returns error (ENOENT), then no cage present. If no cage present, then
384  * connection type is backplane or BASE-T.
385  */
386 static int
ice_aq_get_link_topo_handle(struct ice_port_info * pi,u8 node_type,struct ice_sq_cd * cd)387 ice_aq_get_link_topo_handle(struct ice_port_info *pi, u8 node_type,
388 			    struct ice_sq_cd *cd)
389 {
390 	struct ice_aqc_get_link_topo *cmd;
391 	struct libie_aq_desc desc;
392 
393 	cmd = libie_aq_raw(&desc);
394 
395 	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_link_topo);
396 
397 	cmd->addr.topo_params.node_type_ctx =
398 		(ICE_AQC_LINK_TOPO_NODE_CTX_PORT <<
399 		 ICE_AQC_LINK_TOPO_NODE_CTX_S);
400 
401 	/* set node type */
402 	cmd->addr.topo_params.node_type_ctx |=
403 		(ICE_AQC_LINK_TOPO_NODE_TYPE_M & node_type);
404 
405 	return ice_aq_send_cmd(pi->hw, &desc, NULL, 0, cd);
406 }
407 
408 /**
409  * ice_aq_get_netlist_node
410  * @hw: pointer to the hw struct
411  * @cmd: get_link_topo AQ structure
412  * @node_part_number: output node part number if node found
413  * @node_handle: output node handle parameter if node found
414  *
415  * Get netlist node handle.
416  */
417 int
ice_aq_get_netlist_node(struct ice_hw * hw,struct ice_aqc_get_link_topo * cmd,u8 * node_part_number,u16 * node_handle)418 ice_aq_get_netlist_node(struct ice_hw *hw, struct ice_aqc_get_link_topo *cmd,
419 			u8 *node_part_number, u16 *node_handle)
420 {
421 	struct ice_aqc_get_link_topo *resp;
422 	struct libie_aq_desc desc;
423 
424 	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_link_topo);
425 	resp = libie_aq_raw(&desc);
426 	*resp = *cmd;
427 
428 	if (ice_aq_send_cmd(hw, &desc, NULL, 0, NULL))
429 		return -EINTR;
430 
431 	if (node_handle)
432 		*node_handle = le16_to_cpu(resp->addr.handle);
433 	if (node_part_number)
434 		*node_part_number = resp->node_part_num;
435 
436 	return 0;
437 }
438 
439 /**
440  * ice_find_netlist_node
441  * @hw: pointer to the hw struct
442  * @node_type: type of netlist node to look for
443  * @ctx: context of the search
444  * @node_part_number: node part number to look for
445  * @node_handle: output parameter if node found - optional
446  *
447  * Scan the netlist for a node handle of the given node type and part number.
448  *
449  * If node_handle is non-NULL it will be modified on function exit. It is only
450  * valid if the function returns zero, and should be ignored on any non-zero
451  * return value.
452  *
453  * Return:
454  * * 0 if the node is found,
455  * * -ENOENT if no handle was found,
456  * * negative error code on failure to access the AQ.
457  */
ice_find_netlist_node(struct ice_hw * hw,u8 node_type,u8 ctx,u8 node_part_number,u16 * node_handle)458 static int ice_find_netlist_node(struct ice_hw *hw, u8 node_type, u8 ctx,
459 				 u8 node_part_number, u16 *node_handle)
460 {
461 	u8 idx;
462 
463 	for (idx = 0; idx < ICE_MAX_NETLIST_SIZE; idx++) {
464 		struct ice_aqc_get_link_topo cmd = {};
465 		u8 rec_node_part_number;
466 		int status;
467 
468 		cmd.addr.topo_params.node_type_ctx =
469 			FIELD_PREP(ICE_AQC_LINK_TOPO_NODE_TYPE_M, node_type) |
470 			FIELD_PREP(ICE_AQC_LINK_TOPO_NODE_CTX_M, ctx);
471 		cmd.addr.topo_params.index = idx;
472 
473 		status = ice_aq_get_netlist_node(hw, &cmd,
474 						 &rec_node_part_number,
475 						 node_handle);
476 		if (status)
477 			return status;
478 
479 		if (rec_node_part_number == node_part_number)
480 			return 0;
481 	}
482 
483 	return -ENOENT;
484 }
485 
486 /**
487  * ice_is_media_cage_present
488  * @pi: port information structure
489  *
490  * Returns true if media cage is present, else false. If no cage, then
491  * media type is backplane or BASE-T.
492  */
ice_is_media_cage_present(struct ice_port_info * pi)493 static bool ice_is_media_cage_present(struct ice_port_info *pi)
494 {
495 	/* Node type cage can be used to determine if cage is present. If AQC
496 	 * returns error (ENOENT), then no cage present. If no cage present then
497 	 * connection type is backplane or BASE-T.
498 	 */
499 	return !ice_aq_get_link_topo_handle(pi,
500 					    ICE_AQC_LINK_TOPO_NODE_TYPE_CAGE,
501 					    NULL);
502 }
503 
504 /**
505  * ice_get_media_type - Gets media type
506  * @pi: port information structure
507  */
ice_get_media_type(struct ice_port_info * pi)508 static enum ice_media_type ice_get_media_type(struct ice_port_info *pi)
509 {
510 	struct ice_link_status *hw_link_info;
511 
512 	if (!pi)
513 		return ICE_MEDIA_UNKNOWN;
514 
515 	hw_link_info = &pi->phy.link_info;
516 	if (hw_link_info->phy_type_low && hw_link_info->phy_type_high)
517 		/* If more than one media type is selected, report unknown */
518 		return ICE_MEDIA_UNKNOWN;
519 
520 	if (hw_link_info->phy_type_low) {
521 		/* 1G SGMII is a special case where some DA cable PHYs
522 		 * may show this as an option when it really shouldn't
523 		 * be since SGMII is meant to be between a MAC and a PHY
524 		 * in a backplane. Try to detect this case and handle it
525 		 */
526 		if (hw_link_info->phy_type_low == ICE_PHY_TYPE_LOW_1G_SGMII &&
527 		    (hw_link_info->module_type[ICE_AQC_MOD_TYPE_IDENT] ==
528 		    ICE_AQC_MOD_TYPE_BYTE1_SFP_PLUS_CU_ACTIVE ||
529 		    hw_link_info->module_type[ICE_AQC_MOD_TYPE_IDENT] ==
530 		    ICE_AQC_MOD_TYPE_BYTE1_SFP_PLUS_CU_PASSIVE))
531 			return ICE_MEDIA_DA;
532 
533 		switch (hw_link_info->phy_type_low) {
534 		case ICE_PHY_TYPE_LOW_1000BASE_SX:
535 		case ICE_PHY_TYPE_LOW_1000BASE_LX:
536 		case ICE_PHY_TYPE_LOW_10GBASE_SR:
537 		case ICE_PHY_TYPE_LOW_10GBASE_LR:
538 		case ICE_PHY_TYPE_LOW_10G_SFI_C2C:
539 		case ICE_PHY_TYPE_LOW_25GBASE_SR:
540 		case ICE_PHY_TYPE_LOW_25GBASE_LR:
541 		case ICE_PHY_TYPE_LOW_40GBASE_SR4:
542 		case ICE_PHY_TYPE_LOW_40GBASE_LR4:
543 		case ICE_PHY_TYPE_LOW_50GBASE_SR2:
544 		case ICE_PHY_TYPE_LOW_50GBASE_LR2:
545 		case ICE_PHY_TYPE_LOW_50GBASE_SR:
546 		case ICE_PHY_TYPE_LOW_50GBASE_FR:
547 		case ICE_PHY_TYPE_LOW_50GBASE_LR:
548 		case ICE_PHY_TYPE_LOW_100GBASE_SR4:
549 		case ICE_PHY_TYPE_LOW_100GBASE_LR4:
550 		case ICE_PHY_TYPE_LOW_100GBASE_SR2:
551 		case ICE_PHY_TYPE_LOW_100GBASE_DR:
552 		case ICE_PHY_TYPE_LOW_10G_SFI_AOC_ACC:
553 		case ICE_PHY_TYPE_LOW_25G_AUI_AOC_ACC:
554 		case ICE_PHY_TYPE_LOW_40G_XLAUI_AOC_ACC:
555 		case ICE_PHY_TYPE_LOW_50G_LAUI2_AOC_ACC:
556 		case ICE_PHY_TYPE_LOW_50G_AUI2_AOC_ACC:
557 		case ICE_PHY_TYPE_LOW_50G_AUI1_AOC_ACC:
558 		case ICE_PHY_TYPE_LOW_100G_CAUI4_AOC_ACC:
559 		case ICE_PHY_TYPE_LOW_100G_AUI4_AOC_ACC:
560 			return ICE_MEDIA_FIBER;
561 		case ICE_PHY_TYPE_LOW_100BASE_TX:
562 		case ICE_PHY_TYPE_LOW_1000BASE_T:
563 		case ICE_PHY_TYPE_LOW_2500BASE_T:
564 		case ICE_PHY_TYPE_LOW_5GBASE_T:
565 		case ICE_PHY_TYPE_LOW_10GBASE_T:
566 		case ICE_PHY_TYPE_LOW_25GBASE_T:
567 			return ICE_MEDIA_BASET;
568 		case ICE_PHY_TYPE_LOW_10G_SFI_DA:
569 		case ICE_PHY_TYPE_LOW_25GBASE_CR:
570 		case ICE_PHY_TYPE_LOW_25GBASE_CR_S:
571 		case ICE_PHY_TYPE_LOW_25GBASE_CR1:
572 		case ICE_PHY_TYPE_LOW_40GBASE_CR4:
573 		case ICE_PHY_TYPE_LOW_50GBASE_CR2:
574 		case ICE_PHY_TYPE_LOW_50GBASE_CP:
575 		case ICE_PHY_TYPE_LOW_100GBASE_CR4:
576 		case ICE_PHY_TYPE_LOW_100GBASE_CR_PAM4:
577 		case ICE_PHY_TYPE_LOW_100GBASE_CP2:
578 			return ICE_MEDIA_DA;
579 		case ICE_PHY_TYPE_LOW_25G_AUI_C2C:
580 		case ICE_PHY_TYPE_LOW_40G_XLAUI:
581 		case ICE_PHY_TYPE_LOW_50G_LAUI2:
582 		case ICE_PHY_TYPE_LOW_50G_AUI2:
583 		case ICE_PHY_TYPE_LOW_50G_AUI1:
584 		case ICE_PHY_TYPE_LOW_100G_AUI4:
585 		case ICE_PHY_TYPE_LOW_100G_CAUI4:
586 			if (ice_is_media_cage_present(pi))
587 				return ICE_MEDIA_DA;
588 			fallthrough;
589 		case ICE_PHY_TYPE_LOW_1000BASE_KX:
590 		case ICE_PHY_TYPE_LOW_2500BASE_KX:
591 		case ICE_PHY_TYPE_LOW_2500BASE_X:
592 		case ICE_PHY_TYPE_LOW_5GBASE_KR:
593 		case ICE_PHY_TYPE_LOW_10GBASE_KR_CR1:
594 		case ICE_PHY_TYPE_LOW_25GBASE_KR:
595 		case ICE_PHY_TYPE_LOW_25GBASE_KR1:
596 		case ICE_PHY_TYPE_LOW_25GBASE_KR_S:
597 		case ICE_PHY_TYPE_LOW_40GBASE_KR4:
598 		case ICE_PHY_TYPE_LOW_50GBASE_KR_PAM4:
599 		case ICE_PHY_TYPE_LOW_50GBASE_KR2:
600 		case ICE_PHY_TYPE_LOW_100GBASE_KR4:
601 		case ICE_PHY_TYPE_LOW_100GBASE_KR_PAM4:
602 			return ICE_MEDIA_BACKPLANE;
603 		}
604 	} else {
605 		switch (hw_link_info->phy_type_high) {
606 		case ICE_PHY_TYPE_HIGH_100G_AUI2:
607 		case ICE_PHY_TYPE_HIGH_100G_CAUI2:
608 			if (ice_is_media_cage_present(pi))
609 				return ICE_MEDIA_DA;
610 			fallthrough;
611 		case ICE_PHY_TYPE_HIGH_100GBASE_KR2_PAM4:
612 			return ICE_MEDIA_BACKPLANE;
613 		case ICE_PHY_TYPE_HIGH_100G_CAUI2_AOC_ACC:
614 		case ICE_PHY_TYPE_HIGH_100G_AUI2_AOC_ACC:
615 			return ICE_MEDIA_FIBER;
616 		}
617 	}
618 	return ICE_MEDIA_UNKNOWN;
619 }
620 
621 /**
622  * ice_get_link_status_datalen
623  * @hw: pointer to the HW struct
624  *
625  * Returns datalength for the Get Link Status AQ command, which is bigger for
626  * newer adapter families handled by ice driver.
627  */
ice_get_link_status_datalen(struct ice_hw * hw)628 static u16 ice_get_link_status_datalen(struct ice_hw *hw)
629 {
630 	switch (hw->mac_type) {
631 	case ICE_MAC_E830:
632 		return ICE_AQC_LS_DATA_SIZE_V2;
633 	case ICE_MAC_E810:
634 	default:
635 		return ICE_AQC_LS_DATA_SIZE_V1;
636 	}
637 }
638 
639 /**
640  * ice_aq_get_link_info
641  * @pi: port information structure
642  * @ena_lse: enable/disable LinkStatusEvent reporting
643  * @link: pointer to link status structure - optional
644  * @cd: pointer to command details structure or NULL
645  *
646  * Get Link Status (0x607). Returns the link status of the adapter.
647  */
648 int
ice_aq_get_link_info(struct ice_port_info * pi,bool ena_lse,struct ice_link_status * link,struct ice_sq_cd * cd)649 ice_aq_get_link_info(struct ice_port_info *pi, bool ena_lse,
650 		     struct ice_link_status *link, struct ice_sq_cd *cd)
651 {
652 	struct ice_aqc_get_link_status_data link_data = { 0 };
653 	struct ice_aqc_get_link_status *resp;
654 	struct ice_link_status *li_old, *li;
655 	enum ice_media_type *hw_media_type;
656 	struct ice_fc_info *hw_fc_info;
657 	struct libie_aq_desc desc;
658 	bool tx_pause, rx_pause;
659 	struct ice_hw *hw;
660 	u16 cmd_flags;
661 	int status;
662 
663 	if (!pi)
664 		return -EINVAL;
665 	hw = pi->hw;
666 	li_old = &pi->phy.link_info_old;
667 	hw_media_type = &pi->phy.media_type;
668 	li = &pi->phy.link_info;
669 	hw_fc_info = &pi->fc;
670 
671 	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_link_status);
672 	cmd_flags = (ena_lse) ? ICE_AQ_LSE_ENA : ICE_AQ_LSE_DIS;
673 	resp = libie_aq_raw(&desc);
674 	resp->cmd_flags = cpu_to_le16(cmd_flags);
675 	resp->lport_num = pi->lport;
676 
677 	status = ice_aq_send_cmd(hw, &desc, &link_data,
678 				 ice_get_link_status_datalen(hw), cd);
679 	if (status)
680 		return status;
681 
682 	/* save off old link status information */
683 	*li_old = *li;
684 
685 	/* update current link status information */
686 	li->link_speed = le16_to_cpu(link_data.link_speed);
687 	li->phy_type_low = le64_to_cpu(link_data.phy_type_low);
688 	li->phy_type_high = le64_to_cpu(link_data.phy_type_high);
689 	*hw_media_type = ice_get_media_type(pi);
690 	li->link_info = link_data.link_info;
691 	li->link_cfg_err = link_data.link_cfg_err;
692 	li->an_info = link_data.an_info;
693 	li->ext_info = link_data.ext_info;
694 	li->max_frame_size = le16_to_cpu(link_data.max_frame_size);
695 	li->fec_info = link_data.cfg & ICE_AQ_FEC_MASK;
696 	li->topo_media_conflict = link_data.topo_media_conflict;
697 	li->pacing = link_data.cfg & (ICE_AQ_CFG_PACING_M |
698 				      ICE_AQ_CFG_PACING_TYPE_M);
699 
700 	/* update fc info */
701 	tx_pause = !!(link_data.an_info & ICE_AQ_LINK_PAUSE_TX);
702 	rx_pause = !!(link_data.an_info & ICE_AQ_LINK_PAUSE_RX);
703 	if (tx_pause && rx_pause)
704 		hw_fc_info->current_mode = ICE_FC_FULL;
705 	else if (tx_pause)
706 		hw_fc_info->current_mode = ICE_FC_TX_PAUSE;
707 	else if (rx_pause)
708 		hw_fc_info->current_mode = ICE_FC_RX_PAUSE;
709 	else
710 		hw_fc_info->current_mode = ICE_FC_NONE;
711 
712 	li->lse_ena = !!(resp->cmd_flags & cpu_to_le16(ICE_AQ_LSE_IS_ENABLED));
713 
714 	ice_debug(hw, ICE_DBG_LINK, "get link info\n");
715 	ice_debug(hw, ICE_DBG_LINK, "	link_speed = 0x%x\n", li->link_speed);
716 	ice_debug(hw, ICE_DBG_LINK, "	phy_type_low = 0x%llx\n",
717 		  (unsigned long long)li->phy_type_low);
718 	ice_debug(hw, ICE_DBG_LINK, "	phy_type_high = 0x%llx\n",
719 		  (unsigned long long)li->phy_type_high);
720 	ice_debug(hw, ICE_DBG_LINK, "	media_type = 0x%x\n", *hw_media_type);
721 	ice_debug(hw, ICE_DBG_LINK, "	link_info = 0x%x\n", li->link_info);
722 	ice_debug(hw, ICE_DBG_LINK, "	link_cfg_err = 0x%x\n", li->link_cfg_err);
723 	ice_debug(hw, ICE_DBG_LINK, "	an_info = 0x%x\n", li->an_info);
724 	ice_debug(hw, ICE_DBG_LINK, "	ext_info = 0x%x\n", li->ext_info);
725 	ice_debug(hw, ICE_DBG_LINK, "	fec_info = 0x%x\n", li->fec_info);
726 	ice_debug(hw, ICE_DBG_LINK, "	lse_ena = 0x%x\n", li->lse_ena);
727 	ice_debug(hw, ICE_DBG_LINK, "	max_frame = 0x%x\n",
728 		  li->max_frame_size);
729 	ice_debug(hw, ICE_DBG_LINK, "	pacing = 0x%x\n", li->pacing);
730 
731 	/* save link status information */
732 	if (link)
733 		*link = *li;
734 
735 	/* flag cleared so calling functions don't call AQ again */
736 	pi->phy.get_link_info = false;
737 
738 	return 0;
739 }
740 
741 /**
742  * ice_fill_tx_timer_and_fc_thresh
743  * @hw: pointer to the HW struct
744  * @cmd: pointer to MAC cfg structure
745  *
746  * Add Tx timer and FC refresh threshold info to Set MAC Config AQ command
747  * descriptor
748  */
749 static void
ice_fill_tx_timer_and_fc_thresh(struct ice_hw * hw,struct ice_aqc_set_mac_cfg * cmd)750 ice_fill_tx_timer_and_fc_thresh(struct ice_hw *hw,
751 				struct ice_aqc_set_mac_cfg *cmd)
752 {
753 	u32 val, fc_thres_m;
754 
755 	/* We read back the transmit timer and FC threshold value of
756 	 * LFC. Thus, we will use index =
757 	 * PRTMAC_HSEC_CTL_TX_PAUSE_QUANTA_MAX_INDEX.
758 	 *
759 	 * Also, because we are operating on transmit timer and FC
760 	 * threshold of LFC, we don't turn on any bit in tx_tmr_priority
761 	 */
762 #define E800_IDX_OF_LFC E800_PRTMAC_HSEC_CTL_TX_PS_QNT_MAX
763 #define E800_REFRESH_TMR E800_PRTMAC_HSEC_CTL_TX_PS_RFSH_TMR
764 
765 	if (hw->mac_type == ICE_MAC_E830) {
766 		/* Retrieve the transmit timer */
767 		val = rd32(hw, E830_PRTMAC_CL01_PS_QNT);
768 		cmd->tx_tmr_value =
769 			le16_encode_bits(val, E830_PRTMAC_CL01_PS_QNT_CL0_M);
770 
771 		/* Retrieve the fc threshold */
772 		val = rd32(hw, E830_PRTMAC_CL01_QNT_THR);
773 		fc_thres_m = E830_PRTMAC_CL01_QNT_THR_CL0_M;
774 	} else {
775 		/* Retrieve the transmit timer */
776 		val = rd32(hw,
777 			   E800_PRTMAC_HSEC_CTL_TX_PS_QNT(E800_IDX_OF_LFC));
778 		cmd->tx_tmr_value =
779 			le16_encode_bits(val,
780 					 E800_PRTMAC_HSEC_CTL_TX_PS_QNT_M);
781 
782 		/* Retrieve the fc threshold */
783 		val = rd32(hw,
784 			   E800_REFRESH_TMR(E800_IDX_OF_LFC));
785 		fc_thres_m = E800_PRTMAC_HSEC_CTL_TX_PS_RFSH_TMR_M;
786 	}
787 	cmd->fc_refresh_threshold = le16_encode_bits(val, fc_thres_m);
788 }
789 
790 /**
791  * ice_aq_set_mac_cfg
792  * @hw: pointer to the HW struct
793  * @max_frame_size: Maximum Frame Size to be supported
794  * @cd: pointer to command details structure or NULL
795  *
796  * Set MAC configuration (0x0603)
797  */
798 int
ice_aq_set_mac_cfg(struct ice_hw * hw,u16 max_frame_size,struct ice_sq_cd * cd)799 ice_aq_set_mac_cfg(struct ice_hw *hw, u16 max_frame_size, struct ice_sq_cd *cd)
800 {
801 	struct ice_aqc_set_mac_cfg *cmd;
802 	struct libie_aq_desc desc;
803 
804 	cmd = libie_aq_raw(&desc);
805 
806 	if (max_frame_size == 0)
807 		return -EINVAL;
808 
809 	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_mac_cfg);
810 
811 	cmd->max_frame_size = cpu_to_le16(max_frame_size);
812 
813 	ice_fill_tx_timer_and_fc_thresh(hw, cmd);
814 
815 	return ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
816 }
817 
818 /**
819  * ice_init_fltr_mgmt_struct - initializes filter management list and locks
820  * @hw: pointer to the HW struct
821  */
ice_init_fltr_mgmt_struct(struct ice_hw * hw)822 static int ice_init_fltr_mgmt_struct(struct ice_hw *hw)
823 {
824 	struct ice_switch_info *sw;
825 	int status;
826 
827 	hw->switch_info = devm_kzalloc(ice_hw_to_dev(hw),
828 				       sizeof(*hw->switch_info), GFP_KERNEL);
829 	sw = hw->switch_info;
830 
831 	if (!sw)
832 		return -ENOMEM;
833 
834 	INIT_LIST_HEAD(&sw->vsi_list_map_head);
835 	sw->prof_res_bm_init = 0;
836 
837 	/* Initialize recipe count with default recipes read from NVM */
838 	sw->recp_cnt = ICE_SW_LKUP_LAST;
839 
840 	status = ice_init_def_sw_recp(hw);
841 	if (status) {
842 		devm_kfree(ice_hw_to_dev(hw), hw->switch_info);
843 		return status;
844 	}
845 	return 0;
846 }
847 
848 /**
849  * ice_cleanup_fltr_mgmt_struct - cleanup filter management list and locks
850  * @hw: pointer to the HW struct
851  */
ice_cleanup_fltr_mgmt_struct(struct ice_hw * hw)852 static void ice_cleanup_fltr_mgmt_struct(struct ice_hw *hw)
853 {
854 	struct ice_switch_info *sw = hw->switch_info;
855 	struct ice_vsi_list_map_info *v_pos_map;
856 	struct ice_vsi_list_map_info *v_tmp_map;
857 	struct ice_sw_recipe *recps;
858 	u8 i;
859 
860 	list_for_each_entry_safe(v_pos_map, v_tmp_map, &sw->vsi_list_map_head,
861 				 list_entry) {
862 		list_del(&v_pos_map->list_entry);
863 		devm_kfree(ice_hw_to_dev(hw), v_pos_map);
864 	}
865 	recps = sw->recp_list;
866 	for (i = 0; i < ICE_MAX_NUM_RECIPES; i++) {
867 		recps[i].root_rid = i;
868 
869 		if (recps[i].adv_rule) {
870 			struct ice_adv_fltr_mgmt_list_entry *tmp_entry;
871 			struct ice_adv_fltr_mgmt_list_entry *lst_itr;
872 
873 			mutex_destroy(&recps[i].filt_rule_lock);
874 			list_for_each_entry_safe(lst_itr, tmp_entry,
875 						 &recps[i].filt_rules,
876 						 list_entry) {
877 				list_del(&lst_itr->list_entry);
878 				devm_kfree(ice_hw_to_dev(hw), lst_itr->lkups);
879 				devm_kfree(ice_hw_to_dev(hw), lst_itr);
880 			}
881 		} else {
882 			struct ice_fltr_mgmt_list_entry *lst_itr, *tmp_entry;
883 
884 			mutex_destroy(&recps[i].filt_rule_lock);
885 			list_for_each_entry_safe(lst_itr, tmp_entry,
886 						 &recps[i].filt_rules,
887 						 list_entry) {
888 				list_del(&lst_itr->list_entry);
889 				devm_kfree(ice_hw_to_dev(hw), lst_itr);
890 			}
891 		}
892 	}
893 	ice_rm_all_sw_replay_rule_info(hw);
894 	devm_kfree(ice_hw_to_dev(hw), sw->recp_list);
895 	devm_kfree(ice_hw_to_dev(hw), sw);
896 }
897 
898 /**
899  * ice_get_itr_intrl_gran
900  * @hw: pointer to the HW struct
901  *
902  * Determines the ITR/INTRL granularities based on the maximum aggregate
903  * bandwidth according to the device's configuration during power-on.
904  */
ice_get_itr_intrl_gran(struct ice_hw * hw)905 static void ice_get_itr_intrl_gran(struct ice_hw *hw)
906 {
907 	u8 max_agg_bw = FIELD_GET(GL_PWR_MODE_CTL_CAR_MAX_BW_M,
908 				  rd32(hw, GL_PWR_MODE_CTL));
909 
910 	switch (max_agg_bw) {
911 	case ICE_MAX_AGG_BW_200G:
912 	case ICE_MAX_AGG_BW_100G:
913 	case ICE_MAX_AGG_BW_50G:
914 		hw->itr_gran = ICE_ITR_GRAN_ABOVE_25;
915 		hw->intrl_gran = ICE_INTRL_GRAN_ABOVE_25;
916 		break;
917 	case ICE_MAX_AGG_BW_25G:
918 		hw->itr_gran = ICE_ITR_GRAN_MAX_25;
919 		hw->intrl_gran = ICE_INTRL_GRAN_MAX_25;
920 		break;
921 	}
922 }
923 
924 /**
925  * ice_wait_fw_load - wait for PHY firmware loading to complete
926  * @hw: pointer to the hardware structure
927  * @timeout: milliseconds that can elapse before timing out, 0 to bypass waiting
928  *
929  * Return:
930  * * 0 on success
931  * * negative on timeout
932  */
ice_wait_fw_load(struct ice_hw * hw,u32 timeout)933 static int ice_wait_fw_load(struct ice_hw *hw, u32 timeout)
934 {
935 	int fw_loading_reg;
936 
937 	if (!timeout)
938 		return 0;
939 
940 	fw_loading_reg = rd32(hw, GL_MNG_FWSM) & GL_MNG_FWSM_FW_LOADING_M;
941 	/* notify the user only once if PHY FW is still loading */
942 	if (fw_loading_reg)
943 		dev_info(ice_hw_to_dev(hw), "Link initialization is blocked by PHY FW initialization. Link initialization will continue after PHY FW initialization completes.\n");
944 	else
945 		return 0;
946 
947 	return rd32_poll_timeout(hw, GL_MNG_FWSM, fw_loading_reg,
948 				 !(fw_loading_reg & GL_MNG_FWSM_FW_LOADING_M),
949 				 10000, timeout * 1000);
950 }
951 
__fwlog_send_cmd(void * priv,struct libie_aq_desc * desc,void * buf,u16 size)952 static int __fwlog_send_cmd(void *priv, struct libie_aq_desc *desc, void *buf,
953 			    u16 size)
954 {
955 	struct ice_hw *hw = priv;
956 
957 	return ice_aq_send_cmd(hw, desc, buf, size, NULL);
958 }
959 
__fwlog_init(struct ice_hw * hw)960 static int __fwlog_init(struct ice_hw *hw)
961 {
962 	struct ice_pf *pf = hw->back;
963 	struct libie_fwlog_api api = {
964 		.pdev = pf->pdev,
965 		.send_cmd = __fwlog_send_cmd,
966 		.priv = hw,
967 	};
968 	int err;
969 
970 	/* only support fw log commands on PF 0 */
971 	if (hw->bus.func)
972 		return -EINVAL;
973 
974 	err = ice_debugfs_pf_init(pf);
975 	if (err)
976 		return err;
977 
978 	api.debugfs_root = pf->ice_debugfs_pf;
979 
980 	return libie_fwlog_init(&hw->fwlog, &api);
981 }
982 
983 /**
984  * ice_init_hw - main hardware initialization routine
985  * @hw: pointer to the hardware structure
986  */
ice_init_hw(struct ice_hw * hw)987 int ice_init_hw(struct ice_hw *hw)
988 {
989 	struct ice_aqc_get_phy_caps_data *pcaps __free(kfree) = NULL;
990 	void *mac_buf __free(kfree) = NULL;
991 	u16 mac_buf_len;
992 	int status;
993 
994 	/* Set MAC type based on DeviceID */
995 	status = ice_set_mac_type(hw);
996 	if (status)
997 		return status;
998 
999 	hw->pf_id = FIELD_GET(PF_FUNC_RID_FUNC_NUM_M, rd32(hw, PF_FUNC_RID));
1000 
1001 	status = ice_reset(hw, ICE_RESET_PFR);
1002 	if (status)
1003 		return status;
1004 
1005 	ice_get_itr_intrl_gran(hw);
1006 
1007 	status = ice_create_all_ctrlq(hw);
1008 	if (status)
1009 		goto err_unroll_cqinit;
1010 
1011 	status = __fwlog_init(hw);
1012 	if (status)
1013 		ice_debug(hw, ICE_DBG_FW_LOG, "Error initializing FW logging: %d\n",
1014 			  status);
1015 
1016 	status = ice_clear_pf_cfg(hw);
1017 	if (status)
1018 		goto err_unroll_cqinit;
1019 
1020 	/* Set bit to enable Flow Director filters */
1021 	wr32(hw, PFQF_FD_ENA, PFQF_FD_ENA_FD_ENA_M);
1022 	INIT_LIST_HEAD(&hw->fdir_list_head);
1023 
1024 	ice_clear_pxe_mode(hw);
1025 
1026 	status = ice_init_nvm(hw);
1027 	if (status)
1028 		goto err_unroll_cqinit;
1029 
1030 	status = ice_get_caps(hw);
1031 	if (status)
1032 		goto err_unroll_cqinit;
1033 
1034 	if (!hw->port_info)
1035 		hw->port_info = devm_kzalloc(ice_hw_to_dev(hw),
1036 					     sizeof(*hw->port_info),
1037 					     GFP_KERNEL);
1038 	if (!hw->port_info) {
1039 		status = -ENOMEM;
1040 		goto err_unroll_cqinit;
1041 	}
1042 
1043 	hw->port_info->local_fwd_mode = ICE_LOCAL_FWD_MODE_ENABLED;
1044 	/* set the back pointer to HW */
1045 	hw->port_info->hw = hw;
1046 
1047 	/* Initialize port_info struct with switch configuration data */
1048 	status = ice_get_initial_sw_cfg(hw);
1049 	if (status)
1050 		goto err_unroll_alloc;
1051 
1052 	hw->evb_veb = true;
1053 
1054 	/* init xarray for identifying scheduling nodes uniquely */
1055 	xa_init_flags(&hw->port_info->sched_node_ids, XA_FLAGS_ALLOC);
1056 
1057 	/* Query the allocated resources for Tx scheduler */
1058 	status = ice_sched_query_res_alloc(hw);
1059 	if (status) {
1060 		ice_debug(hw, ICE_DBG_SCHED, "Failed to get scheduler allocated resources\n");
1061 		goto err_unroll_alloc;
1062 	}
1063 	ice_sched_get_psm_clk_freq(hw);
1064 
1065 	/* Initialize port_info struct with scheduler data */
1066 	status = ice_sched_init_port(hw->port_info);
1067 	if (status)
1068 		goto err_unroll_sched;
1069 
1070 	pcaps = kzalloc_obj(*pcaps);
1071 	if (!pcaps) {
1072 		status = -ENOMEM;
1073 		goto err_unroll_sched;
1074 	}
1075 
1076 	/* Initialize port_info struct with PHY capabilities */
1077 	status = ice_aq_get_phy_caps(hw->port_info, false,
1078 				     ICE_AQC_REPORT_TOPO_CAP_MEDIA, pcaps,
1079 				     NULL);
1080 	if (status)
1081 		dev_warn(ice_hw_to_dev(hw), "Get PHY capabilities failed status = %d, continuing anyway\n",
1082 			 status);
1083 
1084 	/* Initialize port_info struct with link information */
1085 	status = ice_aq_get_link_info(hw->port_info, false, NULL, NULL);
1086 	if (status)
1087 		goto err_unroll_sched;
1088 
1089 	/* need a valid SW entry point to build a Tx tree */
1090 	if (!hw->sw_entry_point_layer) {
1091 		ice_debug(hw, ICE_DBG_SCHED, "invalid sw entry point\n");
1092 		status = -EIO;
1093 		goto err_unroll_sched;
1094 	}
1095 	INIT_LIST_HEAD(&hw->agg_list);
1096 	/* Initialize max burst size */
1097 	if (!hw->max_burst_size)
1098 		ice_cfg_rl_burst_size(hw, ICE_SCHED_DFLT_BURST_SIZE);
1099 
1100 	status = ice_init_fltr_mgmt_struct(hw);
1101 	if (status)
1102 		goto err_unroll_sched;
1103 
1104 	/* Get MAC information */
1105 	/* A single port can report up to two (LAN and WoL) addresses */
1106 	mac_buf = kzalloc_objs(struct ice_aqc_manage_mac_read_resp, 2);
1107 	if (!mac_buf) {
1108 		status = -ENOMEM;
1109 		goto err_unroll_fltr_mgmt_struct;
1110 	}
1111 
1112 	mac_buf_len = 2 * sizeof(struct ice_aqc_manage_mac_read_resp);
1113 	status = ice_aq_manage_mac_read(hw, mac_buf, mac_buf_len, NULL);
1114 
1115 	if (status)
1116 		goto err_unroll_fltr_mgmt_struct;
1117 	/* enable jumbo frame support at MAC level */
1118 	status = ice_aq_set_mac_cfg(hw, ICE_AQ_SET_MAC_FRAME_SIZE_MAX, NULL);
1119 	if (status)
1120 		goto err_unroll_fltr_mgmt_struct;
1121 	/* Obtain counter base index which would be used by flow director */
1122 	status = ice_alloc_fd_res_cntr(hw, &hw->fd_ctr_base);
1123 	if (status)
1124 		goto err_unroll_fltr_mgmt_struct;
1125 	status = ice_init_hw_tbls(hw);
1126 	if (status)
1127 		goto err_unroll_fltr_mgmt_struct;
1128 
1129 	ice_init_dev_hw(hw->back);
1130 
1131 	mutex_init(&hw->tnl_lock);
1132 	ice_init_chk_recipe_reuse_support(hw);
1133 
1134 	/* Some cards require longer initialization times
1135 	 * due to necessity of loading FW from an external source.
1136 	 * This can take even half a minute.
1137 	 */
1138 	status = ice_wait_fw_load(hw, 30000);
1139 	if (status) {
1140 		dev_err(ice_hw_to_dev(hw), "ice_wait_fw_load timed out");
1141 		goto err_unroll_fltr_mgmt_struct;
1142 	}
1143 
1144 	hw->lane_num = ice_get_phy_lane_number(hw);
1145 
1146 	return 0;
1147 err_unroll_fltr_mgmt_struct:
1148 	ice_cleanup_fltr_mgmt_struct(hw);
1149 err_unroll_sched:
1150 	ice_sched_cleanup_all(hw);
1151 err_unroll_alloc:
1152 	devm_kfree(ice_hw_to_dev(hw), hw->port_info);
1153 err_unroll_cqinit:
1154 	ice_destroy_all_ctrlq(hw);
1155 	return status;
1156 }
1157 
__fwlog_deinit(struct ice_hw * hw)1158 static void __fwlog_deinit(struct ice_hw *hw)
1159 {
1160 	/* only support fw log commands on PF 0 */
1161 	if (hw->bus.func)
1162 		return;
1163 
1164 	ice_debugfs_pf_deinit(hw->back);
1165 	libie_fwlog_deinit(&hw->fwlog);
1166 }
1167 
1168 /**
1169  * ice_deinit_hw - unroll initialization operations done by ice_init_hw
1170  * @hw: pointer to the hardware structure
1171  *
1172  * This should be called only during nominal operation, not as a result of
1173  * ice_init_hw() failing since ice_init_hw() will take care of unrolling
1174  * applicable initializations if it fails for any reason.
1175  */
ice_deinit_hw(struct ice_hw * hw)1176 void ice_deinit_hw(struct ice_hw *hw)
1177 {
1178 	ice_free_fd_res_cntr(hw, hw->fd_ctr_base);
1179 	ice_cleanup_fltr_mgmt_struct(hw);
1180 
1181 	ice_sched_cleanup_all(hw);
1182 	ice_sched_clear_agg(hw);
1183 	ice_free_seg(hw);
1184 	ice_free_hw_tbls(hw);
1185 	mutex_destroy(&hw->tnl_lock);
1186 	__fwlog_deinit(hw);
1187 	ice_destroy_all_ctrlq(hw);
1188 
1189 	/* Clear VSI contexts if not already cleared */
1190 	ice_clear_all_vsi_ctx(hw);
1191 }
1192 
1193 /**
1194  * ice_check_reset - Check to see if a global reset is complete
1195  * @hw: pointer to the hardware structure
1196  */
ice_check_reset(struct ice_hw * hw)1197 int ice_check_reset(struct ice_hw *hw)
1198 {
1199 	u32 cnt, reg = 0, grst_timeout, uld_mask;
1200 
1201 	/* Poll for Device Active state in case a recent CORER, GLOBR,
1202 	 * or EMPR has occurred. The grst delay value is in 100ms units.
1203 	 * Add 1sec for outstanding AQ commands that can take a long time.
1204 	 */
1205 	grst_timeout = FIELD_GET(GLGEN_RSTCTL_GRSTDEL_M,
1206 				 rd32(hw, GLGEN_RSTCTL)) + 10;
1207 
1208 	for (cnt = 0; cnt < grst_timeout; cnt++) {
1209 		mdelay(100);
1210 		reg = rd32(hw, GLGEN_RSTAT);
1211 		if (!(reg & GLGEN_RSTAT_DEVSTATE_M))
1212 			break;
1213 	}
1214 
1215 	if (cnt == grst_timeout) {
1216 		ice_debug(hw, ICE_DBG_INIT, "Global reset polling failed to complete.\n");
1217 		return -EIO;
1218 	}
1219 
1220 #define ICE_RESET_DONE_MASK	(GLNVM_ULD_PCIER_DONE_M |\
1221 				 GLNVM_ULD_PCIER_DONE_1_M |\
1222 				 GLNVM_ULD_CORER_DONE_M |\
1223 				 GLNVM_ULD_GLOBR_DONE_M |\
1224 				 GLNVM_ULD_POR_DONE_M |\
1225 				 GLNVM_ULD_POR_DONE_1_M |\
1226 				 GLNVM_ULD_PCIER_DONE_2_M)
1227 
1228 	uld_mask = ICE_RESET_DONE_MASK | (hw->func_caps.common_cap.rdma ?
1229 					  GLNVM_ULD_PE_DONE_M : 0);
1230 
1231 	/* Device is Active; check Global Reset processes are done */
1232 	for (cnt = 0; cnt < ICE_PF_RESET_WAIT_COUNT; cnt++) {
1233 		reg = rd32(hw, GLNVM_ULD) & uld_mask;
1234 		if (reg == uld_mask) {
1235 			ice_debug(hw, ICE_DBG_INIT, "Global reset processes done. %d\n", cnt);
1236 			break;
1237 		}
1238 		mdelay(10);
1239 	}
1240 
1241 	if (cnt == ICE_PF_RESET_WAIT_COUNT) {
1242 		ice_debug(hw, ICE_DBG_INIT, "Wait for Reset Done timed out. GLNVM_ULD = 0x%x\n",
1243 			  reg);
1244 		return -EIO;
1245 	}
1246 
1247 	return 0;
1248 }
1249 
1250 /**
1251  * ice_pf_reset - Reset the PF
1252  * @hw: pointer to the hardware structure
1253  *
1254  * If a global reset has been triggered, this function checks
1255  * for its completion and then issues the PF reset
1256  */
ice_pf_reset(struct ice_hw * hw)1257 static int ice_pf_reset(struct ice_hw *hw)
1258 {
1259 	u32 cnt, reg;
1260 
1261 	/* If at function entry a global reset was already in progress, i.e.
1262 	 * state is not 'device active' or any of the reset done bits are not
1263 	 * set in GLNVM_ULD, there is no need for a PF Reset; poll until the
1264 	 * global reset is done.
1265 	 */
1266 	if ((rd32(hw, GLGEN_RSTAT) & GLGEN_RSTAT_DEVSTATE_M) ||
1267 	    (rd32(hw, GLNVM_ULD) & ICE_RESET_DONE_MASK) ^ ICE_RESET_DONE_MASK) {
1268 		/* poll on global reset currently in progress until done */
1269 		if (ice_check_reset(hw))
1270 			return -EIO;
1271 
1272 		return 0;
1273 	}
1274 
1275 	/* Reset the PF */
1276 	reg = rd32(hw, PFGEN_CTRL);
1277 
1278 	wr32(hw, PFGEN_CTRL, (reg | PFGEN_CTRL_PFSWR_M));
1279 
1280 	/* Wait for the PFR to complete. The wait time is the global config lock
1281 	 * timeout plus the PFR timeout which will account for a possible reset
1282 	 * that is occurring during a download package operation.
1283 	 */
1284 	for (cnt = 0; cnt < ICE_GLOBAL_CFG_LOCK_TIMEOUT +
1285 	     ICE_PF_RESET_WAIT_COUNT; cnt++) {
1286 		reg = rd32(hw, PFGEN_CTRL);
1287 		if (!(reg & PFGEN_CTRL_PFSWR_M))
1288 			break;
1289 
1290 		mdelay(1);
1291 	}
1292 
1293 	if (cnt == ICE_PF_RESET_WAIT_COUNT) {
1294 		ice_debug(hw, ICE_DBG_INIT, "PF reset polling failed to complete.\n");
1295 		return -EIO;
1296 	}
1297 
1298 	return 0;
1299 }
1300 
1301 /**
1302  * ice_reset - Perform different types of reset
1303  * @hw: pointer to the hardware structure
1304  * @req: reset request
1305  *
1306  * This function triggers a reset as specified by the req parameter.
1307  *
1308  * Note:
1309  * If anything other than a PF reset is triggered, PXE mode is restored.
1310  * This has to be cleared using ice_clear_pxe_mode again, once the AQ
1311  * interface has been restored in the rebuild flow.
1312  */
ice_reset(struct ice_hw * hw,enum ice_reset_req req)1313 int ice_reset(struct ice_hw *hw, enum ice_reset_req req)
1314 {
1315 	u32 val = 0;
1316 
1317 	switch (req) {
1318 	case ICE_RESET_PFR:
1319 		return ice_pf_reset(hw);
1320 	case ICE_RESET_CORER:
1321 		ice_debug(hw, ICE_DBG_INIT, "CoreR requested\n");
1322 		val = GLGEN_RTRIG_CORER_M;
1323 		break;
1324 	case ICE_RESET_GLOBR:
1325 		ice_debug(hw, ICE_DBG_INIT, "GlobalR requested\n");
1326 		val = GLGEN_RTRIG_GLOBR_M;
1327 		break;
1328 	default:
1329 		return -EINVAL;
1330 	}
1331 
1332 	val |= rd32(hw, GLGEN_RTRIG);
1333 	wr32(hw, GLGEN_RTRIG, val);
1334 	ice_flush(hw);
1335 
1336 	/* wait for the FW to be ready */
1337 	return ice_check_reset(hw);
1338 }
1339 
1340 /**
1341  * ice_copy_rxq_ctx_to_hw - Copy packed Rx queue context to HW registers
1342  * @hw: pointer to the hardware structure
1343  * @rxq_ctx: pointer to the packed Rx queue context
1344  * @rxq_index: the index of the Rx queue
1345  */
ice_copy_rxq_ctx_to_hw(struct ice_hw * hw,const ice_rxq_ctx_buf_t * rxq_ctx,u32 rxq_index)1346 static void ice_copy_rxq_ctx_to_hw(struct ice_hw *hw,
1347 				   const ice_rxq_ctx_buf_t *rxq_ctx,
1348 				   u32 rxq_index)
1349 {
1350 	/* Copy each dword separately to HW */
1351 	for (int i = 0; i < ICE_RXQ_CTX_SIZE_DWORDS; i++) {
1352 		u32 ctx = ((const u32 *)rxq_ctx)[i];
1353 
1354 		wr32(hw, QRX_CONTEXT(i, rxq_index), ctx);
1355 
1356 		ice_debug(hw, ICE_DBG_QCTX, "qrxdata[%d]: %08X\n", i, ctx);
1357 	}
1358 }
1359 
1360 /**
1361  * ice_copy_rxq_ctx_from_hw - Copy packed Rx Queue context from HW registers
1362  * @hw: pointer to the hardware structure
1363  * @rxq_ctx: pointer to the packed Rx queue context
1364  * @rxq_index: the index of the Rx queue
1365  */
ice_copy_rxq_ctx_from_hw(struct ice_hw * hw,ice_rxq_ctx_buf_t * rxq_ctx,u32 rxq_index)1366 static void ice_copy_rxq_ctx_from_hw(struct ice_hw *hw,
1367 				     ice_rxq_ctx_buf_t *rxq_ctx,
1368 				     u32 rxq_index)
1369 {
1370 	u32 *ctx = (u32 *)rxq_ctx;
1371 
1372 	/* Copy each dword separately from HW */
1373 	for (int i = 0; i < ICE_RXQ_CTX_SIZE_DWORDS; i++, ctx++) {
1374 		*ctx = rd32(hw, QRX_CONTEXT(i, rxq_index));
1375 
1376 		ice_debug(hw, ICE_DBG_QCTX, "qrxdata[%d]: %08X\n", i, *ctx);
1377 	}
1378 }
1379 
1380 #define ICE_CTX_STORE(struct_name, struct_field, width, lsb) \
1381 	PACKED_FIELD((lsb) + (width) - 1, (lsb), struct struct_name, struct_field)
1382 
1383 /* LAN Rx Queue Context */
1384 static const struct packed_field_u8 ice_rlan_ctx_fields[] = {
1385 				 /* Field		Width	LSB */
1386 	ICE_CTX_STORE(ice_rlan_ctx, head,		13,	0),
1387 	ICE_CTX_STORE(ice_rlan_ctx, cpuid,		8,	13),
1388 	ICE_CTX_STORE(ice_rlan_ctx, base,		57,	32),
1389 	ICE_CTX_STORE(ice_rlan_ctx, qlen,		13,	89),
1390 	ICE_CTX_STORE(ice_rlan_ctx, dbuf,		7,	102),
1391 	ICE_CTX_STORE(ice_rlan_ctx, hbuf,		5,	109),
1392 	ICE_CTX_STORE(ice_rlan_ctx, dtype,		2,	114),
1393 	ICE_CTX_STORE(ice_rlan_ctx, dsize,		1,	116),
1394 	ICE_CTX_STORE(ice_rlan_ctx, crcstrip,		1,	117),
1395 	ICE_CTX_STORE(ice_rlan_ctx, l2tsel,		1,	119),
1396 	ICE_CTX_STORE(ice_rlan_ctx, hsplit_0,		4,	120),
1397 	ICE_CTX_STORE(ice_rlan_ctx, hsplit_1,		2,	124),
1398 	ICE_CTX_STORE(ice_rlan_ctx, showiv,		1,	127),
1399 	ICE_CTX_STORE(ice_rlan_ctx, rxmax,		14,	174),
1400 	ICE_CTX_STORE(ice_rlan_ctx, tphrdesc_ena,	1,	193),
1401 	ICE_CTX_STORE(ice_rlan_ctx, tphwdesc_ena,	1,	194),
1402 	ICE_CTX_STORE(ice_rlan_ctx, tphdata_ena,	1,	195),
1403 	ICE_CTX_STORE(ice_rlan_ctx, tphhead_ena,	1,	196),
1404 	ICE_CTX_STORE(ice_rlan_ctx, lrxqthresh,		3,	198),
1405 	ICE_CTX_STORE(ice_rlan_ctx, prefena,		1,	201),
1406 };
1407 
1408 /**
1409  * ice_pack_rxq_ctx - Pack Rx queue context into a HW buffer
1410  * @ctx: the Rx queue context to pack
1411  * @buf: the HW buffer to pack into
1412  *
1413  * Pack the Rx queue context from the CPU-friendly unpacked buffer into its
1414  * bit-packed HW layout.
1415  */
ice_pack_rxq_ctx(const struct ice_rlan_ctx * ctx,ice_rxq_ctx_buf_t * buf)1416 static void ice_pack_rxq_ctx(const struct ice_rlan_ctx *ctx,
1417 			     ice_rxq_ctx_buf_t *buf)
1418 {
1419 	pack_fields(buf, sizeof(*buf), ctx, ice_rlan_ctx_fields,
1420 		    QUIRK_LITTLE_ENDIAN | QUIRK_LSW32_IS_FIRST);
1421 }
1422 
1423 /**
1424  * ice_unpack_rxq_ctx - Unpack Rx queue context from a HW buffer
1425  * @buf: the HW buffer to unpack from
1426  * @ctx: the Rx queue context to unpack
1427  *
1428  * Unpack the Rx queue context from the HW buffer into the CPU-friendly
1429  * structure.
1430  */
ice_unpack_rxq_ctx(const ice_rxq_ctx_buf_t * buf,struct ice_rlan_ctx * ctx)1431 static void ice_unpack_rxq_ctx(const ice_rxq_ctx_buf_t *buf,
1432 			       struct ice_rlan_ctx *ctx)
1433 {
1434 	unpack_fields(buf, sizeof(*buf), ctx, ice_rlan_ctx_fields,
1435 		      QUIRK_LITTLE_ENDIAN | QUIRK_LSW32_IS_FIRST);
1436 }
1437 
1438 /**
1439  * ice_write_rxq_ctx - Write Rx Queue context to hardware
1440  * @hw: pointer to the hardware structure
1441  * @rlan_ctx: pointer to the unpacked Rx queue context
1442  * @rxq_index: the index of the Rx queue
1443  *
1444  * Pack the sparse Rx Queue context into dense hardware format and write it
1445  * into the HW register space.
1446  *
1447  * Return: 0 on success, or -EINVAL if the Rx queue index is invalid.
1448  */
ice_write_rxq_ctx(struct ice_hw * hw,struct ice_rlan_ctx * rlan_ctx,u32 rxq_index)1449 int ice_write_rxq_ctx(struct ice_hw *hw, struct ice_rlan_ctx *rlan_ctx,
1450 		      u32 rxq_index)
1451 {
1452 	ice_rxq_ctx_buf_t buf = {};
1453 
1454 	if (rxq_index > QRX_CTRL_MAX_INDEX)
1455 		return -EINVAL;
1456 
1457 	ice_pack_rxq_ctx(rlan_ctx, &buf);
1458 	ice_copy_rxq_ctx_to_hw(hw, &buf, rxq_index);
1459 
1460 	return 0;
1461 }
1462 
1463 /**
1464  * ice_read_rxq_ctx - Read Rx queue context from HW
1465  * @hw: pointer to the hardware structure
1466  * @rlan_ctx: pointer to the Rx queue context
1467  * @rxq_index: the index of the Rx queue
1468  *
1469  * Read the Rx queue context from the hardware registers, and unpack it into
1470  * the sparse Rx queue context structure.
1471  *
1472  * Returns: 0 on success, or -EINVAL if the Rx queue index is invalid.
1473  */
ice_read_rxq_ctx(struct ice_hw * hw,struct ice_rlan_ctx * rlan_ctx,u32 rxq_index)1474 int ice_read_rxq_ctx(struct ice_hw *hw, struct ice_rlan_ctx *rlan_ctx,
1475 		     u32 rxq_index)
1476 {
1477 	ice_rxq_ctx_buf_t buf = {};
1478 
1479 	if (rxq_index > QRX_CTRL_MAX_INDEX)
1480 		return -EINVAL;
1481 
1482 	ice_copy_rxq_ctx_from_hw(hw, &buf, rxq_index);
1483 	ice_unpack_rxq_ctx(&buf, rlan_ctx);
1484 
1485 	return 0;
1486 }
1487 
1488 /* LAN Tx Queue Context */
1489 static const struct packed_field_u8 ice_tlan_ctx_fields[] = {
1490 				    /* Field			Width	LSB */
1491 	ICE_CTX_STORE(ice_tlan_ctx, base,			57,	0),
1492 	ICE_CTX_STORE(ice_tlan_ctx, port_num,			3,	57),
1493 	ICE_CTX_STORE(ice_tlan_ctx, cgd_num,			5,	60),
1494 	ICE_CTX_STORE(ice_tlan_ctx, pf_num,			3,	65),
1495 	ICE_CTX_STORE(ice_tlan_ctx, vmvf_num,			10,	68),
1496 	ICE_CTX_STORE(ice_tlan_ctx, vmvf_type,			2,	78),
1497 	ICE_CTX_STORE(ice_tlan_ctx, src_vsi,			10,	80),
1498 	ICE_CTX_STORE(ice_tlan_ctx, tsyn_ena,			1,	90),
1499 	ICE_CTX_STORE(ice_tlan_ctx, internal_usage_flag,	1,	91),
1500 	ICE_CTX_STORE(ice_tlan_ctx, alt_vlan,			1,	92),
1501 	ICE_CTX_STORE(ice_tlan_ctx, cpuid,			8,	93),
1502 	ICE_CTX_STORE(ice_tlan_ctx, wb_mode,			1,	101),
1503 	ICE_CTX_STORE(ice_tlan_ctx, tphrd_desc,			1,	102),
1504 	ICE_CTX_STORE(ice_tlan_ctx, tphrd,			1,	103),
1505 	ICE_CTX_STORE(ice_tlan_ctx, tphwr_desc,			1,	104),
1506 	ICE_CTX_STORE(ice_tlan_ctx, cmpq_id,			9,	105),
1507 	ICE_CTX_STORE(ice_tlan_ctx, qnum_in_func,		14,	114),
1508 	ICE_CTX_STORE(ice_tlan_ctx, itr_notification_mode,	1,	128),
1509 	ICE_CTX_STORE(ice_tlan_ctx, adjust_prof_id,		6,	129),
1510 	ICE_CTX_STORE(ice_tlan_ctx, qlen,			13,	135),
1511 	ICE_CTX_STORE(ice_tlan_ctx, quanta_prof_idx,		4,	148),
1512 	ICE_CTX_STORE(ice_tlan_ctx, tso_ena,			1,	152),
1513 	ICE_CTX_STORE(ice_tlan_ctx, tso_qnum,			11,	153),
1514 	ICE_CTX_STORE(ice_tlan_ctx, legacy_int,			1,	164),
1515 	ICE_CTX_STORE(ice_tlan_ctx, drop_ena,			1,	165),
1516 	ICE_CTX_STORE(ice_tlan_ctx, cache_prof_idx,		2,	166),
1517 	ICE_CTX_STORE(ice_tlan_ctx, pkt_shaper_prof_idx,	3,	168),
1518 };
1519 
1520 /**
1521  * ice_pack_txq_ctx - Pack Tx queue context into Admin Queue buffer
1522  * @ctx: the Tx queue context to pack
1523  * @buf: the Admin Queue HW buffer to pack into
1524  *
1525  * Pack the Tx queue context from the CPU-friendly unpacked buffer into its
1526  * bit-packed Admin Queue layout.
1527  */
ice_pack_txq_ctx(const struct ice_tlan_ctx * ctx,ice_txq_ctx_buf_t * buf)1528 void ice_pack_txq_ctx(const struct ice_tlan_ctx *ctx, ice_txq_ctx_buf_t *buf)
1529 {
1530 	pack_fields(buf, sizeof(*buf), ctx, ice_tlan_ctx_fields,
1531 		    QUIRK_LITTLE_ENDIAN | QUIRK_LSW32_IS_FIRST);
1532 }
1533 
1534 /**
1535  * ice_pack_txq_ctx_full - Pack Tx queue context into a HW buffer
1536  * @ctx: the Tx queue context to pack
1537  * @buf: the HW buffer to pack into
1538  *
1539  * Pack the Tx queue context from the CPU-friendly unpacked buffer into its
1540  * bit-packed HW layout, including the internal data portion.
1541  */
ice_pack_txq_ctx_full(const struct ice_tlan_ctx * ctx,ice_txq_ctx_buf_full_t * buf)1542 static void ice_pack_txq_ctx_full(const struct ice_tlan_ctx *ctx,
1543 				  ice_txq_ctx_buf_full_t *buf)
1544 {
1545 	pack_fields(buf, sizeof(*buf), ctx, ice_tlan_ctx_fields,
1546 		    QUIRK_LITTLE_ENDIAN | QUIRK_LSW32_IS_FIRST);
1547 }
1548 
1549 /**
1550  * ice_unpack_txq_ctx_full - Unpack Tx queue context from a HW buffer
1551  * @buf: the HW buffer to unpack from
1552  * @ctx: the Tx queue context to unpack
1553  *
1554  * Unpack the Tx queue context from the HW buffer (including the full internal
1555  * state) into the CPU-friendly structure.
1556  */
ice_unpack_txq_ctx_full(const ice_txq_ctx_buf_full_t * buf,struct ice_tlan_ctx * ctx)1557 static void ice_unpack_txq_ctx_full(const ice_txq_ctx_buf_full_t *buf,
1558 				    struct ice_tlan_ctx *ctx)
1559 {
1560 	unpack_fields(buf, sizeof(*buf), ctx, ice_tlan_ctx_fields,
1561 		      QUIRK_LITTLE_ENDIAN | QUIRK_LSW32_IS_FIRST);
1562 }
1563 
1564 /**
1565  * ice_copy_txq_ctx_from_hw - Copy Tx Queue context from HW registers
1566  * @hw: pointer to the hardware structure
1567  * @txq_ctx: pointer to the packed Tx queue context, including internal state
1568  * @txq_index: the index of the Tx queue
1569  *
1570  * Copy Tx Queue context from HW register space to dense structure
1571  */
ice_copy_txq_ctx_from_hw(struct ice_hw * hw,ice_txq_ctx_buf_full_t * txq_ctx,u32 txq_index)1572 static void ice_copy_txq_ctx_from_hw(struct ice_hw *hw,
1573 				     ice_txq_ctx_buf_full_t *txq_ctx,
1574 				     u32 txq_index)
1575 {
1576 	struct ice_pf *pf = container_of(hw, struct ice_pf, hw);
1577 	u32 *ctx = (u32 *)txq_ctx;
1578 	u32 txq_base, reg;
1579 
1580 	/* Get Tx queue base within card space */
1581 	txq_base = rd32(hw, PFLAN_TX_QALLOC(hw->pf_id));
1582 	txq_base = FIELD_GET(PFLAN_TX_QALLOC_FIRSTQ_M, txq_base);
1583 
1584 	reg = FIELD_PREP(GLCOMM_QTX_CNTX_CTL_CMD_M,
1585 			 GLCOMM_QTX_CNTX_CTL_CMD_READ) |
1586 	      FIELD_PREP(GLCOMM_QTX_CNTX_CTL_QUEUE_ID_M,
1587 			 txq_base + txq_index) |
1588 	      GLCOMM_QTX_CNTX_CTL_CMD_EXEC_M;
1589 
1590 	/* Prevent other PFs on the same adapter from accessing the Tx queue
1591 	 * context interface concurrently.
1592 	 */
1593 	spin_lock(&pf->adapter->txq_ctx_lock);
1594 
1595 	wr32(hw, GLCOMM_QTX_CNTX_CTL, reg);
1596 	ice_flush(hw);
1597 
1598 	/* Copy each dword separately from HW */
1599 	for (int i = 0; i < ICE_TXQ_CTX_FULL_SIZE_DWORDS; i++, ctx++) {
1600 		*ctx = rd32(hw, GLCOMM_QTX_CNTX_DATA(i));
1601 
1602 		ice_debug(hw, ICE_DBG_QCTX, "qtxdata[%d]: %08X\n", i, *ctx);
1603 	}
1604 
1605 	spin_unlock(&pf->adapter->txq_ctx_lock);
1606 }
1607 
1608 /**
1609  * ice_copy_txq_ctx_to_hw - Copy Tx Queue context into HW registers
1610  * @hw: pointer to the hardware structure
1611  * @txq_ctx: pointer to the packed Tx queue context, including internal state
1612  * @txq_index: the index of the Tx queue
1613  */
ice_copy_txq_ctx_to_hw(struct ice_hw * hw,const ice_txq_ctx_buf_full_t * txq_ctx,u32 txq_index)1614 static void ice_copy_txq_ctx_to_hw(struct ice_hw *hw,
1615 				   const ice_txq_ctx_buf_full_t *txq_ctx,
1616 				   u32 txq_index)
1617 {
1618 	struct ice_pf *pf = container_of(hw, struct ice_pf, hw);
1619 	u32 txq_base, reg;
1620 
1621 	/* Get Tx queue base within card space */
1622 	txq_base = rd32(hw, PFLAN_TX_QALLOC(hw->pf_id));
1623 	txq_base = FIELD_GET(PFLAN_TX_QALLOC_FIRSTQ_M, txq_base);
1624 
1625 	reg = FIELD_PREP(GLCOMM_QTX_CNTX_CTL_CMD_M,
1626 			 GLCOMM_QTX_CNTX_CTL_CMD_WRITE_NO_DYN) |
1627 	      FIELD_PREP(GLCOMM_QTX_CNTX_CTL_QUEUE_ID_M,
1628 			 txq_base + txq_index) |
1629 	      GLCOMM_QTX_CNTX_CTL_CMD_EXEC_M;
1630 
1631 	/* Prevent other PFs on the same adapter from accessing the Tx queue
1632 	 * context interface concurrently.
1633 	 */
1634 	spin_lock(&pf->adapter->txq_ctx_lock);
1635 
1636 	/* Copy each dword separately to HW */
1637 	for (int i = 0; i < ICE_TXQ_CTX_FULL_SIZE_DWORDS; i++) {
1638 		u32 ctx = ((const u32 *)txq_ctx)[i];
1639 
1640 		wr32(hw, GLCOMM_QTX_CNTX_DATA(i), ctx);
1641 
1642 		ice_debug(hw, ICE_DBG_QCTX, "qtxdata[%d]: %08X\n", i, ctx);
1643 	}
1644 
1645 	wr32(hw, GLCOMM_QTX_CNTX_CTL, reg);
1646 	ice_flush(hw);
1647 
1648 	spin_unlock(&pf->adapter->txq_ctx_lock);
1649 }
1650 
1651 /**
1652  * ice_read_txq_ctx - Read Tx queue context from HW
1653  * @hw: pointer to the hardware structure
1654  * @tlan_ctx: pointer to the Tx queue context
1655  * @txq_index: the index of the Tx queue
1656  *
1657  * Read the Tx queue context from the HW registers, then unpack it into the
1658  * ice_tlan_ctx structure for use.
1659  *
1660  * Returns: 0 on success, or -EINVAL on an invalid Tx queue index.
1661  */
ice_read_txq_ctx(struct ice_hw * hw,struct ice_tlan_ctx * tlan_ctx,u32 txq_index)1662 int ice_read_txq_ctx(struct ice_hw *hw, struct ice_tlan_ctx *tlan_ctx,
1663 		     u32 txq_index)
1664 {
1665 	ice_txq_ctx_buf_full_t buf = {};
1666 
1667 	if (txq_index > QTX_COMM_HEAD_MAX_INDEX)
1668 		return -EINVAL;
1669 
1670 	ice_copy_txq_ctx_from_hw(hw, &buf, txq_index);
1671 	ice_unpack_txq_ctx_full(&buf, tlan_ctx);
1672 
1673 	return 0;
1674 }
1675 
1676 /**
1677  * ice_write_txq_ctx - Write Tx queue context to HW
1678  * @hw: pointer to the hardware structure
1679  * @tlan_ctx: pointer to the Tx queue context
1680  * @txq_index: the index of the Tx queue
1681  *
1682  * Pack the Tx queue context into the dense HW layout, then write it into the
1683  * HW registers.
1684  *
1685  * Returns: 0 on success, or -EINVAL on an invalid Tx queue index.
1686  */
ice_write_txq_ctx(struct ice_hw * hw,struct ice_tlan_ctx * tlan_ctx,u32 txq_index)1687 int ice_write_txq_ctx(struct ice_hw *hw, struct ice_tlan_ctx *tlan_ctx,
1688 		      u32 txq_index)
1689 {
1690 	ice_txq_ctx_buf_full_t buf = {};
1691 
1692 	if (txq_index > QTX_COMM_HEAD_MAX_INDEX)
1693 		return -EINVAL;
1694 
1695 	ice_pack_txq_ctx_full(tlan_ctx, &buf);
1696 	ice_copy_txq_ctx_to_hw(hw, &buf, txq_index);
1697 
1698 	return 0;
1699 }
1700 
1701 /* Tx time Queue Context */
1702 static const struct packed_field_u8 ice_txtime_ctx_fields[] = {
1703 				    /* Field			Width	LSB */
1704 	ICE_CTX_STORE(ice_txtime_ctx, base,			57,	0),
1705 	ICE_CTX_STORE(ice_txtime_ctx, pf_num,			3,	57),
1706 	ICE_CTX_STORE(ice_txtime_ctx, vmvf_num,			10,	60),
1707 	ICE_CTX_STORE(ice_txtime_ctx, vmvf_type,		2,	70),
1708 	ICE_CTX_STORE(ice_txtime_ctx, src_vsi,			10,	72),
1709 	ICE_CTX_STORE(ice_txtime_ctx, cpuid,			8,	82),
1710 	ICE_CTX_STORE(ice_txtime_ctx, tphrd_desc,		1,	90),
1711 	ICE_CTX_STORE(ice_txtime_ctx, qlen,			13,	91),
1712 	ICE_CTX_STORE(ice_txtime_ctx, timer_num,		1,	104),
1713 	ICE_CTX_STORE(ice_txtime_ctx, txtime_ena_q,		1,	105),
1714 	ICE_CTX_STORE(ice_txtime_ctx, drbell_mode_32,		1,	106),
1715 	ICE_CTX_STORE(ice_txtime_ctx, ts_res,			4,	107),
1716 	ICE_CTX_STORE(ice_txtime_ctx, ts_round_type,		2,	111),
1717 	ICE_CTX_STORE(ice_txtime_ctx, ts_pacing_slot,		3,	113),
1718 	ICE_CTX_STORE(ice_txtime_ctx, merging_ena,		1,	116),
1719 	ICE_CTX_STORE(ice_txtime_ctx, ts_fetch_prof_id,		4,	117),
1720 	ICE_CTX_STORE(ice_txtime_ctx, ts_fetch_cache_line_aln_thld, 4,	121),
1721 	ICE_CTX_STORE(ice_txtime_ctx, tx_pipe_delay_mode,	1,	125),
1722 };
1723 
1724 /**
1725  * ice_pack_txtime_ctx - pack Tx time queue context into a HW buffer
1726  * @ctx: the Tx time queue context to pack
1727  * @buf: the HW buffer to pack into
1728  *
1729  * Pack the Tx time queue context from the CPU-friendly unpacked buffer into
1730  * its bit-packed HW layout.
1731  */
ice_pack_txtime_ctx(const struct ice_txtime_ctx * ctx,ice_txtime_ctx_buf_t * buf)1732 void ice_pack_txtime_ctx(const struct ice_txtime_ctx *ctx,
1733 			 ice_txtime_ctx_buf_t *buf)
1734 {
1735 	pack_fields(buf, sizeof(*buf), ctx, ice_txtime_ctx_fields,
1736 		    QUIRK_LITTLE_ENDIAN | QUIRK_LSW32_IS_FIRST);
1737 }
1738 
1739 /* Sideband Queue command wrappers */
1740 
1741 /**
1742  * ice_sbq_send_cmd - send Sideband Queue command to Sideband Queue
1743  * @hw: pointer to the HW struct
1744  * @desc: descriptor describing the command
1745  * @buf: buffer to use for indirect commands (NULL for direct commands)
1746  * @buf_size: size of buffer for indirect commands (0 for direct commands)
1747  * @cd: pointer to command details structure
1748  */
1749 static int
ice_sbq_send_cmd(struct ice_hw * hw,struct ice_sbq_cmd_desc * desc,void * buf,u16 buf_size,struct ice_sq_cd * cd)1750 ice_sbq_send_cmd(struct ice_hw *hw, struct ice_sbq_cmd_desc *desc,
1751 		 void *buf, u16 buf_size, struct ice_sq_cd *cd)
1752 {
1753 	return ice_sq_send_cmd(hw, ice_get_sbq(hw),
1754 			       (struct libie_aq_desc *)desc, buf, buf_size, cd);
1755 }
1756 
1757 /**
1758  * ice_sbq_rw_reg - Fill Sideband Queue command
1759  * @hw: pointer to the HW struct
1760  * @in: message info to be filled in descriptor
1761  * @flags: control queue descriptor flags
1762  */
ice_sbq_rw_reg(struct ice_hw * hw,struct ice_sbq_msg_input * in,u16 flags)1763 int ice_sbq_rw_reg(struct ice_hw *hw, struct ice_sbq_msg_input *in, u16 flags)
1764 {
1765 	struct ice_sbq_cmd_desc desc = {0};
1766 	struct ice_sbq_msg_req msg = {0};
1767 	u16 msg_len;
1768 	int status;
1769 
1770 	msg_len = sizeof(msg);
1771 
1772 	msg.dest_dev = in->dest_dev;
1773 	msg.opcode = in->opcode;
1774 	msg.flags = ICE_SBQ_MSG_FLAGS;
1775 	msg.sbe_fbe = ICE_SBQ_MSG_SBE_FBE;
1776 	msg.msg_addr_low = cpu_to_le16(in->msg_addr_low);
1777 	msg.msg_addr_high = cpu_to_le32(in->msg_addr_high);
1778 
1779 	if (in->opcode)
1780 		msg.data = cpu_to_le32(in->data);
1781 	else
1782 		/* data read comes back in completion, so shorten the struct by
1783 		 * sizeof(msg.data)
1784 		 */
1785 		msg_len -= sizeof(msg.data);
1786 
1787 	desc.flags = cpu_to_le16(flags);
1788 	desc.opcode = cpu_to_le16(ice_sbq_opc_neigh_dev_req);
1789 	desc.param0.cmd_len = cpu_to_le16(msg_len);
1790 	status = ice_sbq_send_cmd(hw, &desc, &msg, msg_len, NULL);
1791 	if (!status && !in->opcode)
1792 		in->data = le32_to_cpu
1793 			(((struct ice_sbq_msg_cmpl *)&msg)->data);
1794 	return status;
1795 }
1796 
1797 /* FW Admin Queue command wrappers */
1798 
1799 /* Software lock/mutex that is meant to be held while the Global Config Lock
1800  * in firmware is acquired by the software to prevent most (but not all) types
1801  * of AQ commands from being sent to FW
1802  */
1803 DEFINE_MUTEX(ice_global_cfg_lock_sw);
1804 
1805 /**
1806  * ice_should_retry_sq_send_cmd
1807  * @opcode: AQ opcode
1808  *
1809  * Decide if we should retry the send command routine for the ATQ, depending
1810  * on the opcode.
1811  */
ice_should_retry_sq_send_cmd(u16 opcode)1812 static bool ice_should_retry_sq_send_cmd(u16 opcode)
1813 {
1814 	switch (opcode) {
1815 	case ice_aqc_opc_get_link_topo:
1816 	case ice_aqc_opc_lldp_stop:
1817 	case ice_aqc_opc_lldp_start:
1818 	case ice_aqc_opc_lldp_filter_ctrl:
1819 	case ice_aqc_opc_sff_eeprom:
1820 		return true;
1821 	}
1822 
1823 	return false;
1824 }
1825 
1826 /**
1827  * ice_sq_send_cmd_retry - send command to Control Queue (ATQ)
1828  * @hw: pointer to the HW struct
1829  * @cq: pointer to the specific Control queue
1830  * @desc: prefilled descriptor describing the command
1831  * @buf: buffer to use for indirect commands (or NULL for direct commands)
1832  * @buf_size: size of buffer for indirect commands (or 0 for direct commands)
1833  * @cd: pointer to command details structure
1834  *
1835  * Retry sending the FW Admin Queue command, multiple times, to the FW Admin
1836  * Queue if the EBUSY AQ error is returned.
1837  */
1838 static int
ice_sq_send_cmd_retry(struct ice_hw * hw,struct ice_ctl_q_info * cq,struct libie_aq_desc * desc,void * buf,u16 buf_size,struct ice_sq_cd * cd)1839 ice_sq_send_cmd_retry(struct ice_hw *hw, struct ice_ctl_q_info *cq,
1840 		      struct libie_aq_desc *desc, void *buf, u16 buf_size,
1841 		      struct ice_sq_cd *cd)
1842 {
1843 	struct libie_aq_desc desc_cpy;
1844 	bool is_cmd_for_retry;
1845 	u8 *buf_cpy = NULL;
1846 	u8 idx = 0;
1847 	u16 opcode;
1848 	int status;
1849 
1850 	opcode = le16_to_cpu(desc->opcode);
1851 	is_cmd_for_retry = ice_should_retry_sq_send_cmd(opcode);
1852 	memset(&desc_cpy, 0, sizeof(desc_cpy));
1853 
1854 	if (is_cmd_for_retry) {
1855 		if (buf) {
1856 			buf_cpy = kmemdup(buf, buf_size, GFP_KERNEL);
1857 			if (!buf_cpy)
1858 				return -ENOMEM;
1859 		}
1860 
1861 		memcpy(&desc_cpy, desc, sizeof(desc_cpy));
1862 	}
1863 
1864 	do {
1865 		status = ice_sq_send_cmd(hw, cq, desc, buf, buf_size, cd);
1866 
1867 		if (!is_cmd_for_retry || !status ||
1868 		    hw->adminq.sq_last_status != LIBIE_AQ_RC_EBUSY)
1869 			break;
1870 
1871 		if (buf_cpy)
1872 			memcpy(buf, buf_cpy, buf_size);
1873 		memcpy(desc, &desc_cpy, sizeof(desc_cpy));
1874 		msleep(ICE_SQ_SEND_DELAY_TIME_MS);
1875 
1876 	} while (++idx < ICE_SQ_SEND_MAX_EXECUTE);
1877 
1878 	kfree(buf_cpy);
1879 	return status;
1880 }
1881 
1882 /**
1883  * ice_aq_send_cmd - send FW Admin Queue command to FW Admin Queue
1884  * @hw: pointer to the HW struct
1885  * @desc: descriptor describing the command
1886  * @buf: buffer to use for indirect commands (NULL for direct commands)
1887  * @buf_size: size of buffer for indirect commands (0 for direct commands)
1888  * @cd: pointer to command details structure
1889  *
1890  * Helper function to send FW Admin Queue commands to the FW Admin Queue.
1891  */
1892 int
ice_aq_send_cmd(struct ice_hw * hw,struct libie_aq_desc * desc,void * buf,u16 buf_size,struct ice_sq_cd * cd)1893 ice_aq_send_cmd(struct ice_hw *hw, struct libie_aq_desc *desc, void *buf,
1894 		u16 buf_size, struct ice_sq_cd *cd)
1895 {
1896 	struct libie_aqc_req_res *cmd = libie_aq_raw(desc);
1897 	bool lock_acquired = false;
1898 	int status;
1899 
1900 	/* When a package download is in process (i.e. when the firmware's
1901 	 * Global Configuration Lock resource is held), only the Download
1902 	 * Package, Get Version, Get Package Info List, Upload Section,
1903 	 * Update Package, Set Port Parameters, Get/Set VLAN Mode Parameters,
1904 	 * Add Recipe, Set Recipes to Profile Association, Get Recipe, and Get
1905 	 * Recipes to Profile Association, and Release Resource (with resource
1906 	 * ID set to Global Config Lock) AdminQ commands are allowed; all others
1907 	 * must block until the package download completes and the Global Config
1908 	 * Lock is released.  See also ice_acquire_global_cfg_lock().
1909 	 */
1910 	switch (le16_to_cpu(desc->opcode)) {
1911 	case ice_aqc_opc_download_pkg:
1912 	case ice_aqc_opc_get_pkg_info_list:
1913 	case ice_aqc_opc_get_ver:
1914 	case ice_aqc_opc_upload_section:
1915 	case ice_aqc_opc_update_pkg:
1916 	case ice_aqc_opc_set_port_params:
1917 	case ice_aqc_opc_get_vlan_mode_parameters:
1918 	case ice_aqc_opc_set_vlan_mode_parameters:
1919 	case ice_aqc_opc_set_tx_topo:
1920 	case ice_aqc_opc_get_tx_topo:
1921 	case ice_aqc_opc_add_recipe:
1922 	case ice_aqc_opc_recipe_to_profile:
1923 	case ice_aqc_opc_get_recipe:
1924 	case ice_aqc_opc_get_recipe_to_profile:
1925 		break;
1926 	case ice_aqc_opc_release_res:
1927 		if (le16_to_cpu(cmd->res_id) == LIBIE_AQC_RES_ID_GLBL_LOCK)
1928 			break;
1929 		fallthrough;
1930 	default:
1931 		mutex_lock(&ice_global_cfg_lock_sw);
1932 		lock_acquired = true;
1933 		break;
1934 	}
1935 
1936 	status = ice_sq_send_cmd_retry(hw, &hw->adminq, desc, buf, buf_size, cd);
1937 	if (lock_acquired)
1938 		mutex_unlock(&ice_global_cfg_lock_sw);
1939 
1940 	return status;
1941 }
1942 
1943 /**
1944  * ice_aq_get_fw_ver
1945  * @hw: pointer to the HW struct
1946  * @cd: pointer to command details structure or NULL
1947  *
1948  * Get the firmware version (0x0001) from the admin queue commands
1949  */
ice_aq_get_fw_ver(struct ice_hw * hw,struct ice_sq_cd * cd)1950 int ice_aq_get_fw_ver(struct ice_hw *hw, struct ice_sq_cd *cd)
1951 {
1952 	struct libie_aqc_get_ver *resp;
1953 	struct libie_aq_desc desc;
1954 	int status;
1955 
1956 	resp = &desc.params.get_ver;
1957 
1958 	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_ver);
1959 
1960 	status = ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
1961 
1962 	if (!status) {
1963 		hw->fw_branch = resp->fw_branch;
1964 		hw->fw_maj_ver = resp->fw_major;
1965 		hw->fw_min_ver = resp->fw_minor;
1966 		hw->fw_patch = resp->fw_patch;
1967 		hw->fw_build = le32_to_cpu(resp->fw_build);
1968 		hw->api_branch = resp->api_branch;
1969 		hw->api_maj_ver = resp->api_major;
1970 		hw->api_min_ver = resp->api_minor;
1971 		hw->api_patch = resp->api_patch;
1972 	}
1973 
1974 	return status;
1975 }
1976 
1977 /**
1978  * ice_aq_send_driver_ver
1979  * @hw: pointer to the HW struct
1980  * @dv: driver's major, minor version
1981  * @cd: pointer to command details structure or NULL
1982  *
1983  * Send the driver version (0x0002) to the firmware
1984  */
1985 int
ice_aq_send_driver_ver(struct ice_hw * hw,struct ice_driver_ver * dv,struct ice_sq_cd * cd)1986 ice_aq_send_driver_ver(struct ice_hw *hw, struct ice_driver_ver *dv,
1987 		       struct ice_sq_cd *cd)
1988 {
1989 	struct libie_aqc_driver_ver *cmd;
1990 	struct libie_aq_desc desc;
1991 	u16 len;
1992 
1993 	cmd = &desc.params.driver_ver;
1994 
1995 	if (!dv)
1996 		return -EINVAL;
1997 
1998 	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_driver_ver);
1999 
2000 	desc.flags |= cpu_to_le16(LIBIE_AQ_FLAG_RD);
2001 	cmd->major_ver = dv->major_ver;
2002 	cmd->minor_ver = dv->minor_ver;
2003 	cmd->build_ver = dv->build_ver;
2004 	cmd->subbuild_ver = dv->subbuild_ver;
2005 
2006 	len = 0;
2007 	while (len < sizeof(dv->driver_string) &&
2008 	       isascii(dv->driver_string[len]) && dv->driver_string[len])
2009 		len++;
2010 
2011 	return ice_aq_send_cmd(hw, &desc, dv->driver_string, len, cd);
2012 }
2013 
2014 /**
2015  * ice_aq_q_shutdown
2016  * @hw: pointer to the HW struct
2017  * @unloading: is the driver unloading itself
2018  *
2019  * Tell the Firmware that we're shutting down the AdminQ and whether
2020  * or not the driver is unloading as well (0x0003).
2021  */
ice_aq_q_shutdown(struct ice_hw * hw,bool unloading)2022 int ice_aq_q_shutdown(struct ice_hw *hw, bool unloading)
2023 {
2024 	struct ice_aqc_q_shutdown *cmd;
2025 	struct libie_aq_desc desc;
2026 
2027 	cmd = libie_aq_raw(&desc);
2028 
2029 	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_q_shutdown);
2030 
2031 	if (unloading)
2032 		cmd->driver_unloading = ICE_AQC_DRIVER_UNLOADING;
2033 
2034 	return ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
2035 }
2036 
2037 /**
2038  * ice_aq_req_res
2039  * @hw: pointer to the HW struct
2040  * @res: resource ID
2041  * @access: access type
2042  * @sdp_number: resource number
2043  * @timeout: the maximum time in ms that the driver may hold the resource
2044  * @cd: pointer to command details structure or NULL
2045  *
2046  * Requests common resource using the admin queue commands (0x0008).
2047  * When attempting to acquire the Global Config Lock, the driver can
2048  * learn of three states:
2049  *  1) 0 -         acquired lock, and can perform download package
2050  *  2) -EIO -      did not get lock, driver should fail to load
2051  *  3) -EALREADY - did not get lock, but another driver has
2052  *                 successfully downloaded the package; the driver does
2053  *                 not have to download the package and can continue
2054  *                 loading
2055  *
2056  * Note that if the caller is in an acquire lock, perform action, release lock
2057  * phase of operation, it is possible that the FW may detect a timeout and issue
2058  * a CORER. In this case, the driver will receive a CORER interrupt and will
2059  * have to determine its cause. The calling thread that is handling this flow
2060  * will likely get an error propagated back to it indicating the Download
2061  * Package, Update Package or the Release Resource AQ commands timed out.
2062  */
2063 static int
ice_aq_req_res(struct ice_hw * hw,enum ice_aq_res_ids res,enum ice_aq_res_access_type access,u8 sdp_number,u32 * timeout,struct ice_sq_cd * cd)2064 ice_aq_req_res(struct ice_hw *hw, enum ice_aq_res_ids res,
2065 	       enum ice_aq_res_access_type access, u8 sdp_number, u32 *timeout,
2066 	       struct ice_sq_cd *cd)
2067 {
2068 	struct libie_aqc_req_res *cmd_resp;
2069 	struct libie_aq_desc desc;
2070 	int status;
2071 
2072 	cmd_resp = &desc.params.res_owner;
2073 
2074 	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_req_res);
2075 
2076 	cmd_resp->res_id = cpu_to_le16(res);
2077 	cmd_resp->access_type = cpu_to_le16(access);
2078 	cmd_resp->res_number = cpu_to_le32(sdp_number);
2079 	cmd_resp->timeout = cpu_to_le32(*timeout);
2080 	*timeout = 0;
2081 
2082 	status = ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
2083 
2084 	/* The completion specifies the maximum time in ms that the driver
2085 	 * may hold the resource in the Timeout field.
2086 	 */
2087 
2088 	/* Global config lock response utilizes an additional status field.
2089 	 *
2090 	 * If the Global config lock resource is held by some other driver, the
2091 	 * command completes with LIBIE_AQ_RES_GLBL_IN_PROG in the status field
2092 	 * and the timeout field indicates the maximum time the current owner
2093 	 * of the resource has to free it.
2094 	 */
2095 	if (res == ICE_GLOBAL_CFG_LOCK_RES_ID) {
2096 		if (le16_to_cpu(cmd_resp->status) == LIBIE_AQ_RES_GLBL_SUCCESS) {
2097 			*timeout = le32_to_cpu(cmd_resp->timeout);
2098 			return 0;
2099 		} else if (le16_to_cpu(cmd_resp->status) ==
2100 			   LIBIE_AQ_RES_GLBL_IN_PROG) {
2101 			*timeout = le32_to_cpu(cmd_resp->timeout);
2102 			return -EIO;
2103 		} else if (le16_to_cpu(cmd_resp->status) ==
2104 			   LIBIE_AQ_RES_GLBL_DONE) {
2105 			return -EALREADY;
2106 		}
2107 
2108 		/* invalid FW response, force a timeout immediately */
2109 		*timeout = 0;
2110 		return -EIO;
2111 	}
2112 
2113 	/* If the resource is held by some other driver, the command completes
2114 	 * with a busy return value and the timeout field indicates the maximum
2115 	 * time the current owner of the resource has to free it.
2116 	 */
2117 	if (!status || hw->adminq.sq_last_status == LIBIE_AQ_RC_EBUSY)
2118 		*timeout = le32_to_cpu(cmd_resp->timeout);
2119 
2120 	return status;
2121 }
2122 
2123 /**
2124  * ice_aq_release_res
2125  * @hw: pointer to the HW struct
2126  * @res: resource ID
2127  * @sdp_number: resource number
2128  * @cd: pointer to command details structure or NULL
2129  *
2130  * release common resource using the admin queue commands (0x0009)
2131  */
2132 static int
ice_aq_release_res(struct ice_hw * hw,enum ice_aq_res_ids res,u8 sdp_number,struct ice_sq_cd * cd)2133 ice_aq_release_res(struct ice_hw *hw, enum ice_aq_res_ids res, u8 sdp_number,
2134 		   struct ice_sq_cd *cd)
2135 {
2136 	struct libie_aqc_req_res *cmd;
2137 	struct libie_aq_desc desc;
2138 
2139 	cmd = &desc.params.res_owner;
2140 
2141 	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_release_res);
2142 
2143 	cmd->res_id = cpu_to_le16(res);
2144 	cmd->res_number = cpu_to_le32(sdp_number);
2145 
2146 	return ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
2147 }
2148 
2149 /**
2150  * ice_acquire_res
2151  * @hw: pointer to the HW structure
2152  * @res: resource ID
2153  * @access: access type (read or write)
2154  * @timeout: timeout in milliseconds
2155  *
2156  * This function will attempt to acquire the ownership of a resource.
2157  */
2158 int
ice_acquire_res(struct ice_hw * hw,enum ice_aq_res_ids res,enum ice_aq_res_access_type access,u32 timeout)2159 ice_acquire_res(struct ice_hw *hw, enum ice_aq_res_ids res,
2160 		enum ice_aq_res_access_type access, u32 timeout)
2161 {
2162 #define ICE_RES_POLLING_DELAY_MS	10
2163 	u32 delay = ICE_RES_POLLING_DELAY_MS;
2164 	u32 time_left = timeout;
2165 	int status;
2166 
2167 	status = ice_aq_req_res(hw, res, access, 0, &time_left, NULL);
2168 
2169 	/* A return code of -EALREADY means that another driver has
2170 	 * previously acquired the resource and performed any necessary updates;
2171 	 * in this case the caller does not obtain the resource and has no
2172 	 * further work to do.
2173 	 */
2174 	if (status == -EALREADY)
2175 		goto ice_acquire_res_exit;
2176 
2177 	if (status)
2178 		ice_debug(hw, ICE_DBG_RES, "resource %d acquire type %d failed.\n", res, access);
2179 
2180 	/* If necessary, poll until the current lock owner timeouts */
2181 	timeout = time_left;
2182 	while (status && timeout && time_left) {
2183 		mdelay(delay);
2184 		timeout = (timeout > delay) ? timeout - delay : 0;
2185 		status = ice_aq_req_res(hw, res, access, 0, &time_left, NULL);
2186 
2187 		if (status == -EALREADY)
2188 			/* lock free, but no work to do */
2189 			break;
2190 
2191 		if (!status)
2192 			/* lock acquired */
2193 			break;
2194 	}
2195 	if (status && status != -EALREADY)
2196 		ice_debug(hw, ICE_DBG_RES, "resource acquire timed out.\n");
2197 
2198 ice_acquire_res_exit:
2199 	if (status == -EALREADY) {
2200 		if (access == ICE_RES_WRITE)
2201 			ice_debug(hw, ICE_DBG_RES, "resource indicates no work to do.\n");
2202 		else
2203 			ice_debug(hw, ICE_DBG_RES, "Warning: -EALREADY not expected\n");
2204 	}
2205 	return status;
2206 }
2207 
2208 /**
2209  * ice_release_res
2210  * @hw: pointer to the HW structure
2211  * @res: resource ID
2212  *
2213  * This function will release a resource using the proper Admin Command.
2214  */
ice_release_res(struct ice_hw * hw,enum ice_aq_res_ids res)2215 void ice_release_res(struct ice_hw *hw, enum ice_aq_res_ids res)
2216 {
2217 	unsigned long timeout;
2218 	int status;
2219 
2220 	/* there are some rare cases when trying to release the resource
2221 	 * results in an admin queue timeout, so handle them correctly
2222 	 */
2223 	timeout = jiffies + 10 * usecs_to_jiffies(ICE_CTL_Q_SQ_CMD_TIMEOUT);
2224 	do {
2225 		status = ice_aq_release_res(hw, res, 0, NULL);
2226 		if (status != -EIO)
2227 			break;
2228 		usleep_range(1000, 2000);
2229 	} while (time_before(jiffies, timeout));
2230 }
2231 
2232 /**
2233  * ice_aq_alloc_free_res - command to allocate/free resources
2234  * @hw: pointer to the HW struct
2235  * @buf: Indirect buffer to hold data parameters and response
2236  * @buf_size: size of buffer for indirect commands
2237  * @opc: pass in the command opcode
2238  *
2239  * Helper function to allocate/free resources using the admin queue commands
2240  */
ice_aq_alloc_free_res(struct ice_hw * hw,struct ice_aqc_alloc_free_res_elem * buf,u16 buf_size,enum ice_adminq_opc opc)2241 int ice_aq_alloc_free_res(struct ice_hw *hw,
2242 			  struct ice_aqc_alloc_free_res_elem *buf, u16 buf_size,
2243 			  enum ice_adminq_opc opc)
2244 {
2245 	struct ice_aqc_alloc_free_res_cmd *cmd;
2246 	struct libie_aq_desc desc;
2247 
2248 	cmd = libie_aq_raw(&desc);
2249 
2250 	if (!buf || buf_size < flex_array_size(buf, elem, 1))
2251 		return -EINVAL;
2252 
2253 	ice_fill_dflt_direct_cmd_desc(&desc, opc);
2254 
2255 	desc.flags |= cpu_to_le16(LIBIE_AQ_FLAG_RD);
2256 
2257 	cmd->num_entries = cpu_to_le16(1);
2258 
2259 	return ice_aq_send_cmd(hw, &desc, buf, buf_size, NULL);
2260 }
2261 
2262 /**
2263  * ice_alloc_hw_res - allocate resource
2264  * @hw: pointer to the HW struct
2265  * @type: type of resource
2266  * @num: number of resources to allocate
2267  * @btm: allocate from bottom
2268  * @res: pointer to array that will receive the resources
2269  */
2270 int
ice_alloc_hw_res(struct ice_hw * hw,u16 type,u16 num,bool btm,u16 * res)2271 ice_alloc_hw_res(struct ice_hw *hw, u16 type, u16 num, bool btm, u16 *res)
2272 {
2273 	struct ice_aqc_alloc_free_res_elem *buf;
2274 	u16 buf_len;
2275 	int status;
2276 
2277 	buf_len = struct_size(buf, elem, num);
2278 	buf = kzalloc(buf_len, GFP_KERNEL);
2279 	if (!buf)
2280 		return -ENOMEM;
2281 
2282 	/* Prepare buffer to allocate resource. */
2283 	buf->num_elems = cpu_to_le16(num);
2284 	buf->res_type = cpu_to_le16(type | ICE_AQC_RES_TYPE_FLAG_DEDICATED |
2285 				    ICE_AQC_RES_TYPE_FLAG_IGNORE_INDEX);
2286 	if (btm)
2287 		buf->res_type |= cpu_to_le16(ICE_AQC_RES_TYPE_FLAG_SCAN_BOTTOM);
2288 
2289 	status = ice_aq_alloc_free_res(hw, buf, buf_len, ice_aqc_opc_alloc_res);
2290 	if (status)
2291 		goto ice_alloc_res_exit;
2292 
2293 	memcpy(res, buf->elem, sizeof(*buf->elem) * num);
2294 
2295 ice_alloc_res_exit:
2296 	kfree(buf);
2297 	return status;
2298 }
2299 
2300 /**
2301  * ice_free_hw_res - free allocated HW resource
2302  * @hw: pointer to the HW struct
2303  * @type: type of resource to free
2304  * @num: number of resources
2305  * @res: pointer to array that contains the resources to free
2306  */
ice_free_hw_res(struct ice_hw * hw,u16 type,u16 num,u16 * res)2307 int ice_free_hw_res(struct ice_hw *hw, u16 type, u16 num, u16 *res)
2308 {
2309 	struct ice_aqc_alloc_free_res_elem *buf;
2310 	u16 buf_len;
2311 	int status;
2312 
2313 	buf_len = struct_size(buf, elem, num);
2314 	buf = kzalloc(buf_len, GFP_KERNEL);
2315 	if (!buf)
2316 		return -ENOMEM;
2317 
2318 	/* Prepare buffer to free resource. */
2319 	buf->num_elems = cpu_to_le16(num);
2320 	buf->res_type = cpu_to_le16(type);
2321 	memcpy(buf->elem, res, sizeof(*buf->elem) * num);
2322 
2323 	status = ice_aq_alloc_free_res(hw, buf, buf_len, ice_aqc_opc_free_res);
2324 	if (status)
2325 		ice_debug(hw, ICE_DBG_SW, "CQ CMD Buffer:\n");
2326 
2327 	kfree(buf);
2328 	return status;
2329 }
2330 
2331 /**
2332  * ice_get_num_per_func - determine number of resources per PF
2333  * @hw: pointer to the HW structure
2334  * @max: value to be evenly split between each PF
2335  *
2336  * Determine the number of valid functions by going through the bitmap returned
2337  * from parsing capabilities and use this to calculate the number of resources
2338  * per PF based on the max value passed in.
2339  */
ice_get_num_per_func(struct ice_hw * hw,u32 max)2340 static u32 ice_get_num_per_func(struct ice_hw *hw, u32 max)
2341 {
2342 	u8 funcs;
2343 
2344 #define ICE_CAPS_VALID_FUNCS_M	0xFF
2345 	funcs = hweight8(hw->dev_caps.common_cap.valid_functions &
2346 			 ICE_CAPS_VALID_FUNCS_M);
2347 
2348 	if (!funcs)
2349 		return 0;
2350 
2351 	return max / funcs;
2352 }
2353 
2354 /**
2355  * ice_parse_common_caps - parse common device/function capabilities
2356  * @hw: pointer to the HW struct
2357  * @caps: pointer to common capabilities structure
2358  * @elem: the capability element to parse
2359  * @prefix: message prefix for tracing capabilities
2360  *
2361  * Given a capability element, extract relevant details into the common
2362  * capability structure.
2363  *
2364  * Returns: true if the capability matches one of the common capability ids,
2365  * false otherwise.
2366  */
2367 static bool
ice_parse_common_caps(struct ice_hw * hw,struct ice_hw_common_caps * caps,struct libie_aqc_list_caps_elem * elem,const char * prefix)2368 ice_parse_common_caps(struct ice_hw *hw, struct ice_hw_common_caps *caps,
2369 		      struct libie_aqc_list_caps_elem *elem, const char *prefix)
2370 {
2371 	u32 logical_id = le32_to_cpu(elem->logical_id);
2372 	u32 phys_id = le32_to_cpu(elem->phys_id);
2373 	u32 number = le32_to_cpu(elem->number);
2374 	u16 cap = le16_to_cpu(elem->cap);
2375 	bool found = true;
2376 
2377 	switch (cap) {
2378 	case LIBIE_AQC_CAPS_VALID_FUNCTIONS:
2379 		caps->valid_functions = number;
2380 		ice_debug(hw, ICE_DBG_INIT, "%s: valid_functions (bitmap) = %d\n", prefix,
2381 			  caps->valid_functions);
2382 		break;
2383 	case LIBIE_AQC_CAPS_SRIOV:
2384 		caps->sr_iov_1_1 = (number == 1);
2385 		ice_debug(hw, ICE_DBG_INIT, "%s: sr_iov_1_1 = %d\n", prefix,
2386 			  caps->sr_iov_1_1);
2387 		break;
2388 	case LIBIE_AQC_CAPS_DCB:
2389 		caps->dcb = (number == 1);
2390 		caps->active_tc_bitmap = logical_id;
2391 		caps->maxtc = phys_id;
2392 		ice_debug(hw, ICE_DBG_INIT, "%s: dcb = %d\n", prefix, caps->dcb);
2393 		ice_debug(hw, ICE_DBG_INIT, "%s: active_tc_bitmap = %d\n", prefix,
2394 			  caps->active_tc_bitmap);
2395 		ice_debug(hw, ICE_DBG_INIT, "%s: maxtc = %d\n", prefix, caps->maxtc);
2396 		break;
2397 	case LIBIE_AQC_CAPS_RSS:
2398 		caps->rss_table_size = number;
2399 		caps->rss_table_entry_width = logical_id;
2400 		ice_debug(hw, ICE_DBG_INIT, "%s: rss_table_size = %d\n", prefix,
2401 			  caps->rss_table_size);
2402 		ice_debug(hw, ICE_DBG_INIT, "%s: rss_table_entry_width = %d\n", prefix,
2403 			  caps->rss_table_entry_width);
2404 		break;
2405 	case LIBIE_AQC_CAPS_RXQS:
2406 		caps->num_rxq = number;
2407 		caps->rxq_first_id = phys_id;
2408 		ice_debug(hw, ICE_DBG_INIT, "%s: num_rxq = %d\n", prefix,
2409 			  caps->num_rxq);
2410 		ice_debug(hw, ICE_DBG_INIT, "%s: rxq_first_id = %d\n", prefix,
2411 			  caps->rxq_first_id);
2412 		break;
2413 	case LIBIE_AQC_CAPS_TXQS:
2414 		caps->num_txq = number;
2415 		caps->txq_first_id = phys_id;
2416 		ice_debug(hw, ICE_DBG_INIT, "%s: num_txq = %d\n", prefix,
2417 			  caps->num_txq);
2418 		ice_debug(hw, ICE_DBG_INIT, "%s: txq_first_id = %d\n", prefix,
2419 			  caps->txq_first_id);
2420 		break;
2421 	case LIBIE_AQC_CAPS_MSIX:
2422 		caps->num_msix_vectors = number;
2423 		caps->msix_vector_first_id = phys_id;
2424 		ice_debug(hw, ICE_DBG_INIT, "%s: num_msix_vectors = %d\n", prefix,
2425 			  caps->num_msix_vectors);
2426 		ice_debug(hw, ICE_DBG_INIT, "%s: msix_vector_first_id = %d\n", prefix,
2427 			  caps->msix_vector_first_id);
2428 		break;
2429 	case LIBIE_AQC_CAPS_PENDING_NVM_VER:
2430 		caps->nvm_update_pending_nvm = true;
2431 		ice_debug(hw, ICE_DBG_INIT, "%s: update_pending_nvm\n", prefix);
2432 		break;
2433 	case LIBIE_AQC_CAPS_PENDING_OROM_VER:
2434 		caps->nvm_update_pending_orom = true;
2435 		ice_debug(hw, ICE_DBG_INIT, "%s: update_pending_orom\n", prefix);
2436 		break;
2437 	case LIBIE_AQC_CAPS_PENDING_NET_VER:
2438 		caps->nvm_update_pending_netlist = true;
2439 		ice_debug(hw, ICE_DBG_INIT, "%s: update_pending_netlist\n", prefix);
2440 		break;
2441 	case LIBIE_AQC_CAPS_NVM_MGMT:
2442 		caps->nvm_unified_update =
2443 			(number & ICE_NVM_MGMT_UNIFIED_UPD_SUPPORT) ?
2444 			true : false;
2445 		ice_debug(hw, ICE_DBG_INIT, "%s: nvm_unified_update = %d\n", prefix,
2446 			  caps->nvm_unified_update);
2447 		break;
2448 	case LIBIE_AQC_CAPS_RDMA:
2449 		if (IS_ENABLED(CONFIG_INFINIBAND_IRDMA))
2450 			caps->rdma = (number == 1);
2451 		ice_debug(hw, ICE_DBG_INIT, "%s: rdma = %d\n", prefix, caps->rdma);
2452 		break;
2453 	case LIBIE_AQC_CAPS_MAX_MTU:
2454 		caps->max_mtu = number;
2455 		ice_debug(hw, ICE_DBG_INIT, "%s: max_mtu = %d\n",
2456 			  prefix, caps->max_mtu);
2457 		break;
2458 	case LIBIE_AQC_CAPS_PCIE_RESET_AVOIDANCE:
2459 		caps->pcie_reset_avoidance = (number > 0);
2460 		ice_debug(hw, ICE_DBG_INIT,
2461 			  "%s: pcie_reset_avoidance = %d\n", prefix,
2462 			  caps->pcie_reset_avoidance);
2463 		break;
2464 	case LIBIE_AQC_CAPS_POST_UPDATE_RESET_RESTRICT:
2465 		caps->reset_restrict_support = (number == 1);
2466 		ice_debug(hw, ICE_DBG_INIT,
2467 			  "%s: reset_restrict_support = %d\n", prefix,
2468 			  caps->reset_restrict_support);
2469 		break;
2470 	case LIBIE_AQC_CAPS_FW_LAG_SUPPORT:
2471 		caps->roce_lag = number & LIBIE_AQC_BIT_ROCEV2_LAG;
2472 		ice_debug(hw, ICE_DBG_INIT, "%s: roce_lag = %u\n",
2473 			  prefix, caps->roce_lag);
2474 		caps->sriov_lag = number & LIBIE_AQC_BIT_SRIOV_LAG;
2475 		ice_debug(hw, ICE_DBG_INIT, "%s: sriov_lag = %u\n",
2476 			  prefix, caps->sriov_lag);
2477 		caps->sriov_aa_lag = number & LIBIE_AQC_BIT_SRIOV_AA_LAG;
2478 		ice_debug(hw, ICE_DBG_INIT, "%s: sriov_aa_lag = %u\n",
2479 			  prefix, caps->sriov_aa_lag);
2480 		break;
2481 	case LIBIE_AQC_CAPS_TX_SCHED_TOPO_COMP_MODE:
2482 		caps->tx_sched_topo_comp_mode_en = (number == 1);
2483 		break;
2484 	default:
2485 		/* Not one of the recognized common capabilities */
2486 		found = false;
2487 	}
2488 
2489 	return found;
2490 }
2491 
2492 /**
2493  * ice_recalc_port_limited_caps - Recalculate port limited capabilities
2494  * @hw: pointer to the HW structure
2495  * @caps: pointer to capabilities structure to fix
2496  *
2497  * Re-calculate the capabilities that are dependent on the number of physical
2498  * ports; i.e. some features are not supported or function differently on
2499  * devices with more than 4 ports.
2500  */
2501 static void
ice_recalc_port_limited_caps(struct ice_hw * hw,struct ice_hw_common_caps * caps)2502 ice_recalc_port_limited_caps(struct ice_hw *hw, struct ice_hw_common_caps *caps)
2503 {
2504 	/* This assumes device capabilities are always scanned before function
2505 	 * capabilities during the initialization flow.
2506 	 */
2507 	if (hw->dev_caps.num_funcs > 4) {
2508 		/* Max 4 TCs per port */
2509 		caps->maxtc = 4;
2510 		ice_debug(hw, ICE_DBG_INIT, "reducing maxtc to %d (based on #ports)\n",
2511 			  caps->maxtc);
2512 		if (caps->rdma) {
2513 			ice_debug(hw, ICE_DBG_INIT, "forcing RDMA off\n");
2514 			caps->rdma = 0;
2515 		}
2516 
2517 		/* print message only when processing device capabilities
2518 		 * during initialization.
2519 		 */
2520 		if (caps == &hw->dev_caps.common_cap)
2521 			dev_info(ice_hw_to_dev(hw), "RDMA functionality is not available with the current device configuration.\n");
2522 	}
2523 }
2524 
2525 /**
2526  * ice_parse_vf_func_caps - Parse ICE_AQC_CAPS_VF function caps
2527  * @hw: pointer to the HW struct
2528  * @func_p: pointer to function capabilities structure
2529  * @cap: pointer to the capability element to parse
2530  *
2531  * Extract function capabilities for ICE_AQC_CAPS_VF.
2532  */
2533 static void
ice_parse_vf_func_caps(struct ice_hw * hw,struct ice_hw_func_caps * func_p,struct libie_aqc_list_caps_elem * cap)2534 ice_parse_vf_func_caps(struct ice_hw *hw, struct ice_hw_func_caps *func_p,
2535 		       struct libie_aqc_list_caps_elem *cap)
2536 {
2537 	u32 logical_id = le32_to_cpu(cap->logical_id);
2538 	u32 number = le32_to_cpu(cap->number);
2539 
2540 	func_p->num_allocd_vfs = number;
2541 	func_p->vf_base_id = logical_id;
2542 	ice_debug(hw, ICE_DBG_INIT, "func caps: num_allocd_vfs = %d\n",
2543 		  func_p->num_allocd_vfs);
2544 	ice_debug(hw, ICE_DBG_INIT, "func caps: vf_base_id = %d\n",
2545 		  func_p->vf_base_id);
2546 }
2547 
2548 /**
2549  * ice_parse_vsi_func_caps - Parse ICE_AQC_CAPS_VSI function caps
2550  * @hw: pointer to the HW struct
2551  * @func_p: pointer to function capabilities structure
2552  * @cap: pointer to the capability element to parse
2553  *
2554  * Extract function capabilities for ICE_AQC_CAPS_VSI.
2555  */
2556 static void
ice_parse_vsi_func_caps(struct ice_hw * hw,struct ice_hw_func_caps * func_p,struct libie_aqc_list_caps_elem * cap)2557 ice_parse_vsi_func_caps(struct ice_hw *hw, struct ice_hw_func_caps *func_p,
2558 			struct libie_aqc_list_caps_elem *cap)
2559 {
2560 	func_p->guar_num_vsi = ice_get_num_per_func(hw, ICE_MAX_VSI);
2561 	ice_debug(hw, ICE_DBG_INIT, "func caps: guar_num_vsi (fw) = %d\n",
2562 		  le32_to_cpu(cap->number));
2563 	ice_debug(hw, ICE_DBG_INIT, "func caps: guar_num_vsi = %d\n",
2564 		  func_p->guar_num_vsi);
2565 }
2566 
2567 /**
2568  * ice_parse_1588_func_caps - Parse ICE_AQC_CAPS_1588 function caps
2569  * @hw: pointer to the HW struct
2570  * @func_p: pointer to function capabilities structure
2571  * @cap: pointer to the capability element to parse
2572  *
2573  * Extract function capabilities for ICE_AQC_CAPS_1588.
2574  */
2575 static void
ice_parse_1588_func_caps(struct ice_hw * hw,struct ice_hw_func_caps * func_p,struct libie_aqc_list_caps_elem * cap)2576 ice_parse_1588_func_caps(struct ice_hw *hw, struct ice_hw_func_caps *func_p,
2577 			 struct libie_aqc_list_caps_elem *cap)
2578 {
2579 	struct ice_ts_func_info *info = &func_p->ts_func_info;
2580 	u32 number = le32_to_cpu(cap->number);
2581 
2582 	info->ena = ((number & ICE_TS_FUNC_ENA_M) != 0);
2583 	func_p->common_cap.ieee_1588 = info->ena;
2584 
2585 	info->src_tmr_owned = ((number & ICE_TS_SRC_TMR_OWND_M) != 0);
2586 	info->tmr_ena = ((number & ICE_TS_TMR_ENA_M) != 0);
2587 	info->tmr_index_owned = ((number & ICE_TS_TMR_IDX_OWND_M) != 0);
2588 	info->tmr_index_assoc = ((number & ICE_TS_TMR_IDX_ASSOC_M) != 0);
2589 
2590 	if (hw->mac_type != ICE_MAC_GENERIC_3K_E825) {
2591 		info->clk_freq = FIELD_GET(ICE_TS_CLK_FREQ_M, number);
2592 		info->clk_src = ((number & ICE_TS_CLK_SRC_M) != 0);
2593 	} else {
2594 		info->clk_freq = ICE_TSPLL_FREQ_156_250;
2595 		info->clk_src = ICE_CLK_SRC_TIME_REF;
2596 	}
2597 
2598 	if (info->clk_freq < NUM_ICE_TSPLL_FREQ) {
2599 		info->time_ref = (enum ice_tspll_freq)info->clk_freq;
2600 	} else {
2601 		/* Unknown clock frequency, so assume a (probably incorrect)
2602 		 * default to avoid out-of-bounds look ups of frequency
2603 		 * related information.
2604 		 */
2605 		ice_debug(hw, ICE_DBG_INIT, "1588 func caps: unknown clock frequency %u\n",
2606 			  info->clk_freq);
2607 		info->time_ref = ICE_TSPLL_FREQ_25_000;
2608 	}
2609 
2610 	ice_debug(hw, ICE_DBG_INIT, "func caps: ieee_1588 = %u\n",
2611 		  func_p->common_cap.ieee_1588);
2612 	ice_debug(hw, ICE_DBG_INIT, "func caps: src_tmr_owned = %u\n",
2613 		  info->src_tmr_owned);
2614 	ice_debug(hw, ICE_DBG_INIT, "func caps: tmr_ena = %u\n",
2615 		  info->tmr_ena);
2616 	ice_debug(hw, ICE_DBG_INIT, "func caps: tmr_index_owned = %u\n",
2617 		  info->tmr_index_owned);
2618 	ice_debug(hw, ICE_DBG_INIT, "func caps: tmr_index_assoc = %u\n",
2619 		  info->tmr_index_assoc);
2620 	ice_debug(hw, ICE_DBG_INIT, "func caps: clk_freq = %u\n",
2621 		  info->clk_freq);
2622 	ice_debug(hw, ICE_DBG_INIT, "func caps: clk_src = %u\n",
2623 		  info->clk_src);
2624 }
2625 
2626 /**
2627  * ice_parse_fdir_func_caps - Parse ICE_AQC_CAPS_FD function caps
2628  * @hw: pointer to the HW struct
2629  * @func_p: pointer to function capabilities structure
2630  *
2631  * Extract function capabilities for ICE_AQC_CAPS_FD.
2632  */
2633 static void
ice_parse_fdir_func_caps(struct ice_hw * hw,struct ice_hw_func_caps * func_p)2634 ice_parse_fdir_func_caps(struct ice_hw *hw, struct ice_hw_func_caps *func_p)
2635 {
2636 	u32 reg_val, gsize, bsize;
2637 
2638 	reg_val = rd32(hw, GLQF_FD_SIZE);
2639 	switch (hw->mac_type) {
2640 	case ICE_MAC_E830:
2641 		gsize = FIELD_GET(E830_GLQF_FD_SIZE_FD_GSIZE_M, reg_val);
2642 		bsize = FIELD_GET(E830_GLQF_FD_SIZE_FD_BSIZE_M, reg_val);
2643 		break;
2644 	case ICE_MAC_E810:
2645 	default:
2646 		gsize = FIELD_GET(E800_GLQF_FD_SIZE_FD_GSIZE_M, reg_val);
2647 		bsize = FIELD_GET(E800_GLQF_FD_SIZE_FD_BSIZE_M, reg_val);
2648 	}
2649 	func_p->fd_fltr_guar = ice_get_num_per_func(hw, gsize);
2650 	func_p->fd_fltr_best_effort = bsize;
2651 
2652 	ice_debug(hw, ICE_DBG_INIT, "func caps: fd_fltr_guar = %d\n",
2653 		  func_p->fd_fltr_guar);
2654 	ice_debug(hw, ICE_DBG_INIT, "func caps: fd_fltr_best_effort = %d\n",
2655 		  func_p->fd_fltr_best_effort);
2656 }
2657 
2658 /**
2659  * ice_parse_func_caps - Parse function capabilities
2660  * @hw: pointer to the HW struct
2661  * @func_p: pointer to function capabilities structure
2662  * @buf: buffer containing the function capability records
2663  * @cap_count: the number of capabilities
2664  *
2665  * Helper function to parse function (0x000A) capabilities list. For
2666  * capabilities shared between device and function, this relies on
2667  * ice_parse_common_caps.
2668  *
2669  * Loop through the list of provided capabilities and extract the relevant
2670  * data into the function capabilities structured.
2671  */
2672 static void
ice_parse_func_caps(struct ice_hw * hw,struct ice_hw_func_caps * func_p,void * buf,u32 cap_count)2673 ice_parse_func_caps(struct ice_hw *hw, struct ice_hw_func_caps *func_p,
2674 		    void *buf, u32 cap_count)
2675 {
2676 	struct libie_aqc_list_caps_elem *cap_resp;
2677 	u32 i;
2678 
2679 	cap_resp = buf;
2680 
2681 	memset(func_p, 0, sizeof(*func_p));
2682 
2683 	for (i = 0; i < cap_count; i++) {
2684 		u16 cap = le16_to_cpu(cap_resp[i].cap);
2685 		bool found;
2686 
2687 		found = ice_parse_common_caps(hw, &func_p->common_cap,
2688 					      &cap_resp[i], "func caps");
2689 
2690 		switch (cap) {
2691 		case LIBIE_AQC_CAPS_VF:
2692 			ice_parse_vf_func_caps(hw, func_p, &cap_resp[i]);
2693 			break;
2694 		case LIBIE_AQC_CAPS_VSI:
2695 			ice_parse_vsi_func_caps(hw, func_p, &cap_resp[i]);
2696 			break;
2697 		case LIBIE_AQC_CAPS_1588:
2698 			ice_parse_1588_func_caps(hw, func_p, &cap_resp[i]);
2699 			break;
2700 		case LIBIE_AQC_CAPS_FD:
2701 			ice_parse_fdir_func_caps(hw, func_p);
2702 			break;
2703 		default:
2704 			/* Don't list common capabilities as unknown */
2705 			if (!found)
2706 				ice_debug(hw, ICE_DBG_INIT, "func caps: unknown capability[%d]: 0x%x\n",
2707 					  i, cap);
2708 			break;
2709 		}
2710 	}
2711 
2712 	ice_recalc_port_limited_caps(hw, &func_p->common_cap);
2713 }
2714 
2715 /**
2716  * ice_func_id_to_logical_id - map from function id to logical pf id
2717  * @active_function_bitmap: active function bitmap
2718  * @pf_id: function number of device
2719  *
2720  * Return: logical PF ID.
2721  */
ice_func_id_to_logical_id(u32 active_function_bitmap,u8 pf_id)2722 static int ice_func_id_to_logical_id(u32 active_function_bitmap, u8 pf_id)
2723 {
2724 	u8 logical_id = 0;
2725 	u8 i;
2726 
2727 	for (i = 0; i < pf_id; i++)
2728 		if (active_function_bitmap & BIT(i))
2729 			logical_id++;
2730 
2731 	return logical_id;
2732 }
2733 
2734 /**
2735  * ice_parse_valid_functions_cap - Parse ICE_AQC_CAPS_VALID_FUNCTIONS caps
2736  * @hw: pointer to the HW struct
2737  * @dev_p: pointer to device capabilities structure
2738  * @cap: capability element to parse
2739  *
2740  * Parse ICE_AQC_CAPS_VALID_FUNCTIONS for device capabilities.
2741  */
2742 static void
ice_parse_valid_functions_cap(struct ice_hw * hw,struct ice_hw_dev_caps * dev_p,struct libie_aqc_list_caps_elem * cap)2743 ice_parse_valid_functions_cap(struct ice_hw *hw, struct ice_hw_dev_caps *dev_p,
2744 			      struct libie_aqc_list_caps_elem *cap)
2745 {
2746 	u32 number = le32_to_cpu(cap->number);
2747 
2748 	dev_p->num_funcs = hweight32(number);
2749 	ice_debug(hw, ICE_DBG_INIT, "dev caps: num_funcs = %d\n",
2750 		  dev_p->num_funcs);
2751 
2752 	hw->logical_pf_id = ice_func_id_to_logical_id(number, hw->pf_id);
2753 }
2754 
2755 /**
2756  * ice_parse_vf_dev_caps - Parse ICE_AQC_CAPS_VF device caps
2757  * @hw: pointer to the HW struct
2758  * @dev_p: pointer to device capabilities structure
2759  * @cap: capability element to parse
2760  *
2761  * Parse ICE_AQC_CAPS_VF for device capabilities.
2762  */
2763 static void
ice_parse_vf_dev_caps(struct ice_hw * hw,struct ice_hw_dev_caps * dev_p,struct libie_aqc_list_caps_elem * cap)2764 ice_parse_vf_dev_caps(struct ice_hw *hw, struct ice_hw_dev_caps *dev_p,
2765 		      struct libie_aqc_list_caps_elem *cap)
2766 {
2767 	u32 number = le32_to_cpu(cap->number);
2768 
2769 	dev_p->num_vfs_exposed = number;
2770 	ice_debug(hw, ICE_DBG_INIT, "dev_caps: num_vfs_exposed = %d\n",
2771 		  dev_p->num_vfs_exposed);
2772 }
2773 
2774 /**
2775  * ice_parse_vsi_dev_caps - Parse ICE_AQC_CAPS_VSI device caps
2776  * @hw: pointer to the HW struct
2777  * @dev_p: pointer to device capabilities structure
2778  * @cap: capability element to parse
2779  *
2780  * Parse ICE_AQC_CAPS_VSI for device capabilities.
2781  */
2782 static void
ice_parse_vsi_dev_caps(struct ice_hw * hw,struct ice_hw_dev_caps * dev_p,struct libie_aqc_list_caps_elem * cap)2783 ice_parse_vsi_dev_caps(struct ice_hw *hw, struct ice_hw_dev_caps *dev_p,
2784 		       struct libie_aqc_list_caps_elem *cap)
2785 {
2786 	u32 number = le32_to_cpu(cap->number);
2787 
2788 	dev_p->num_vsi_allocd_to_host = number;
2789 	ice_debug(hw, ICE_DBG_INIT, "dev caps: num_vsi_allocd_to_host = %d\n",
2790 		  dev_p->num_vsi_allocd_to_host);
2791 }
2792 
2793 /**
2794  * ice_parse_1588_dev_caps - Parse ICE_AQC_CAPS_1588 device caps
2795  * @hw: pointer to the HW struct
2796  * @dev_p: pointer to device capabilities structure
2797  * @cap: capability element to parse
2798  *
2799  * Parse ICE_AQC_CAPS_1588 for device capabilities.
2800  */
2801 static void
ice_parse_1588_dev_caps(struct ice_hw * hw,struct ice_hw_dev_caps * dev_p,struct libie_aqc_list_caps_elem * cap)2802 ice_parse_1588_dev_caps(struct ice_hw *hw, struct ice_hw_dev_caps *dev_p,
2803 			struct libie_aqc_list_caps_elem *cap)
2804 {
2805 	struct ice_ts_dev_info *info = &dev_p->ts_dev_info;
2806 	u32 logical_id = le32_to_cpu(cap->logical_id);
2807 	u32 phys_id = le32_to_cpu(cap->phys_id);
2808 	u32 number = le32_to_cpu(cap->number);
2809 
2810 	info->ena = ((number & ICE_TS_DEV_ENA_M) != 0);
2811 	dev_p->common_cap.ieee_1588 = info->ena;
2812 
2813 	info->tmr0_owner = number & ICE_TS_TMR0_OWNR_M;
2814 	info->tmr0_owned = ((number & ICE_TS_TMR0_OWND_M) != 0);
2815 	info->tmr0_ena = ((number & ICE_TS_TMR0_ENA_M) != 0);
2816 
2817 	info->tmr1_owner = FIELD_GET(ICE_TS_TMR1_OWNR_M, number);
2818 	info->tmr1_owned = ((number & ICE_TS_TMR1_OWND_M) != 0);
2819 	info->tmr1_ena = ((number & ICE_TS_TMR1_ENA_M) != 0);
2820 
2821 	info->ts_ll_read = ((number & ICE_TS_LL_TX_TS_READ_M) != 0);
2822 	info->ts_ll_int_read = ((number & ICE_TS_LL_TX_TS_INT_READ_M) != 0);
2823 	info->ll_phy_tmr_update = ((number & ICE_TS_LL_PHY_TMR_UPDATE_M) != 0);
2824 
2825 	info->ena_ports = logical_id;
2826 	info->tmr_own_map = phys_id;
2827 
2828 	ice_debug(hw, ICE_DBG_INIT, "dev caps: ieee_1588 = %u\n",
2829 		  dev_p->common_cap.ieee_1588);
2830 	ice_debug(hw, ICE_DBG_INIT, "dev caps: tmr0_owner = %u\n",
2831 		  info->tmr0_owner);
2832 	ice_debug(hw, ICE_DBG_INIT, "dev caps: tmr0_owned = %u\n",
2833 		  info->tmr0_owned);
2834 	ice_debug(hw, ICE_DBG_INIT, "dev caps: tmr0_ena = %u\n",
2835 		  info->tmr0_ena);
2836 	ice_debug(hw, ICE_DBG_INIT, "dev caps: tmr1_owner = %u\n",
2837 		  info->tmr1_owner);
2838 	ice_debug(hw, ICE_DBG_INIT, "dev caps: tmr1_owned = %u\n",
2839 		  info->tmr1_owned);
2840 	ice_debug(hw, ICE_DBG_INIT, "dev caps: tmr1_ena = %u\n",
2841 		  info->tmr1_ena);
2842 	ice_debug(hw, ICE_DBG_INIT, "dev caps: ts_ll_read = %u\n",
2843 		  info->ts_ll_read);
2844 	ice_debug(hw, ICE_DBG_INIT, "dev caps: ts_ll_int_read = %u\n",
2845 		  info->ts_ll_int_read);
2846 	ice_debug(hw, ICE_DBG_INIT, "dev caps: ll_phy_tmr_update = %u\n",
2847 		  info->ll_phy_tmr_update);
2848 	ice_debug(hw, ICE_DBG_INIT, "dev caps: ieee_1588 ena_ports = %u\n",
2849 		  info->ena_ports);
2850 	ice_debug(hw, ICE_DBG_INIT, "dev caps: tmr_own_map = %u\n",
2851 		  info->tmr_own_map);
2852 }
2853 
2854 /**
2855  * ice_parse_fdir_dev_caps - Parse ICE_AQC_CAPS_FD device caps
2856  * @hw: pointer to the HW struct
2857  * @dev_p: pointer to device capabilities structure
2858  * @cap: capability element to parse
2859  *
2860  * Parse ICE_AQC_CAPS_FD for device capabilities.
2861  */
2862 static void
ice_parse_fdir_dev_caps(struct ice_hw * hw,struct ice_hw_dev_caps * dev_p,struct libie_aqc_list_caps_elem * cap)2863 ice_parse_fdir_dev_caps(struct ice_hw *hw, struct ice_hw_dev_caps *dev_p,
2864 			struct libie_aqc_list_caps_elem *cap)
2865 {
2866 	u32 number = le32_to_cpu(cap->number);
2867 
2868 	dev_p->num_flow_director_fltr = number;
2869 	ice_debug(hw, ICE_DBG_INIT, "dev caps: num_flow_director_fltr = %d\n",
2870 		  dev_p->num_flow_director_fltr);
2871 }
2872 
2873 /**
2874  * ice_parse_sensor_reading_cap - Parse ICE_AQC_CAPS_SENSOR_READING cap
2875  * @hw: pointer to the HW struct
2876  * @dev_p: pointer to device capabilities structure
2877  * @cap: capability element to parse
2878  *
2879  * Parse ICE_AQC_CAPS_SENSOR_READING for device capability for reading
2880  * enabled sensors.
2881  */
2882 static void
ice_parse_sensor_reading_cap(struct ice_hw * hw,struct ice_hw_dev_caps * dev_p,struct libie_aqc_list_caps_elem * cap)2883 ice_parse_sensor_reading_cap(struct ice_hw *hw, struct ice_hw_dev_caps *dev_p,
2884 			     struct libie_aqc_list_caps_elem *cap)
2885 {
2886 	dev_p->supported_sensors = le32_to_cpu(cap->number);
2887 
2888 	ice_debug(hw, ICE_DBG_INIT,
2889 		  "dev caps: supported sensors (bitmap) = 0x%x\n",
2890 		  dev_p->supported_sensors);
2891 }
2892 
2893 /**
2894  * ice_parse_nac_topo_dev_caps - Parse ICE_AQC_CAPS_NAC_TOPOLOGY cap
2895  * @hw: pointer to the HW struct
2896  * @dev_p: pointer to device capabilities structure
2897  * @cap: capability element to parse
2898  *
2899  * Parse ICE_AQC_CAPS_NAC_TOPOLOGY for device capabilities.
2900  */
ice_parse_nac_topo_dev_caps(struct ice_hw * hw,struct ice_hw_dev_caps * dev_p,struct libie_aqc_list_caps_elem * cap)2901 static void ice_parse_nac_topo_dev_caps(struct ice_hw *hw,
2902 					struct ice_hw_dev_caps *dev_p,
2903 					struct libie_aqc_list_caps_elem *cap)
2904 {
2905 	dev_p->nac_topo.mode = le32_to_cpu(cap->number);
2906 	dev_p->nac_topo.id = le32_to_cpu(cap->phys_id) & ICE_NAC_TOPO_ID_M;
2907 
2908 	dev_info(ice_hw_to_dev(hw),
2909 		 "PF is configured in %s mode with IP instance ID %d\n",
2910 		 (dev_p->nac_topo.mode & ICE_NAC_TOPO_PRIMARY_M) ?
2911 		 "primary" : "secondary", dev_p->nac_topo.id);
2912 
2913 	ice_debug(hw, ICE_DBG_INIT, "dev caps: nac topology is_primary = %d\n",
2914 		  !!(dev_p->nac_topo.mode & ICE_NAC_TOPO_PRIMARY_M));
2915 	ice_debug(hw, ICE_DBG_INIT, "dev caps: nac topology is_dual = %d\n",
2916 		  !!(dev_p->nac_topo.mode & ICE_NAC_TOPO_DUAL_M));
2917 	ice_debug(hw, ICE_DBG_INIT, "dev caps: nac topology id = %d\n",
2918 		  dev_p->nac_topo.id);
2919 }
2920 
2921 /**
2922  * ice_parse_dev_caps - Parse device capabilities
2923  * @hw: pointer to the HW struct
2924  * @dev_p: pointer to device capabilities structure
2925  * @buf: buffer containing the device capability records
2926  * @cap_count: the number of capabilities
2927  *
2928  * Helper device to parse device (0x000B) capabilities list. For
2929  * capabilities shared between device and function, this relies on
2930  * ice_parse_common_caps.
2931  *
2932  * Loop through the list of provided capabilities and extract the relevant
2933  * data into the device capabilities structured.
2934  */
2935 static void
ice_parse_dev_caps(struct ice_hw * hw,struct ice_hw_dev_caps * dev_p,void * buf,u32 cap_count)2936 ice_parse_dev_caps(struct ice_hw *hw, struct ice_hw_dev_caps *dev_p,
2937 		   void *buf, u32 cap_count)
2938 {
2939 	struct libie_aqc_list_caps_elem *cap_resp;
2940 	u32 i;
2941 
2942 	cap_resp = buf;
2943 
2944 	memset(dev_p, 0, sizeof(*dev_p));
2945 
2946 	for (i = 0; i < cap_count; i++) {
2947 		u16 cap = le16_to_cpu(cap_resp[i].cap);
2948 		bool found;
2949 
2950 		found = ice_parse_common_caps(hw, &dev_p->common_cap,
2951 					      &cap_resp[i], "dev caps");
2952 
2953 		switch (cap) {
2954 		case LIBIE_AQC_CAPS_VALID_FUNCTIONS:
2955 			ice_parse_valid_functions_cap(hw, dev_p, &cap_resp[i]);
2956 			break;
2957 		case LIBIE_AQC_CAPS_VF:
2958 			ice_parse_vf_dev_caps(hw, dev_p, &cap_resp[i]);
2959 			break;
2960 		case LIBIE_AQC_CAPS_VSI:
2961 			ice_parse_vsi_dev_caps(hw, dev_p, &cap_resp[i]);
2962 			break;
2963 		case LIBIE_AQC_CAPS_1588:
2964 			ice_parse_1588_dev_caps(hw, dev_p, &cap_resp[i]);
2965 			break;
2966 		case LIBIE_AQC_CAPS_FD:
2967 			ice_parse_fdir_dev_caps(hw, dev_p, &cap_resp[i]);
2968 			break;
2969 		case LIBIE_AQC_CAPS_SENSOR_READING:
2970 			ice_parse_sensor_reading_cap(hw, dev_p, &cap_resp[i]);
2971 			break;
2972 		case LIBIE_AQC_CAPS_NAC_TOPOLOGY:
2973 			ice_parse_nac_topo_dev_caps(hw, dev_p, &cap_resp[i]);
2974 			break;
2975 		default:
2976 			/* Don't list common capabilities as unknown */
2977 			if (!found)
2978 				ice_debug(hw, ICE_DBG_INIT, "dev caps: unknown capability[%d]: 0x%x\n",
2979 					  i, cap);
2980 			break;
2981 		}
2982 	}
2983 
2984 	ice_recalc_port_limited_caps(hw, &dev_p->common_cap);
2985 }
2986 
2987 /**
2988  * ice_is_phy_rclk_in_netlist
2989  * @hw: pointer to the hw struct
2990  *
2991  * Check if the PHY Recovered Clock device is present in the netlist
2992  */
ice_is_phy_rclk_in_netlist(struct ice_hw * hw)2993 bool ice_is_phy_rclk_in_netlist(struct ice_hw *hw)
2994 {
2995 	if (ice_find_netlist_node(hw, ICE_AQC_LINK_TOPO_NODE_TYPE_PHY,
2996 				  ICE_AQC_LINK_TOPO_NODE_CTX_PORT,
2997 				  ICE_AQC_GET_LINK_TOPO_NODE_NR_C827, NULL) &&
2998 	    ice_find_netlist_node(hw, ICE_AQC_LINK_TOPO_NODE_TYPE_PHY,
2999 				  ICE_AQC_LINK_TOPO_NODE_CTX_PORT,
3000 				  ICE_AQC_GET_LINK_TOPO_NODE_NR_E822_PHY, NULL))
3001 		return false;
3002 
3003 	return true;
3004 }
3005 
3006 /**
3007  * ice_is_clock_mux_in_netlist
3008  * @hw: pointer to the hw struct
3009  *
3010  * Check if the Clock Multiplexer device is present in the netlist
3011  */
ice_is_clock_mux_in_netlist(struct ice_hw * hw)3012 bool ice_is_clock_mux_in_netlist(struct ice_hw *hw)
3013 {
3014 	if (ice_find_netlist_node(hw, ICE_AQC_LINK_TOPO_NODE_TYPE_CLK_MUX,
3015 				  ICE_AQC_LINK_TOPO_NODE_CTX_GLOBAL,
3016 				  ICE_AQC_GET_LINK_TOPO_NODE_NR_GEN_CLK_MUX,
3017 				  NULL))
3018 		return false;
3019 
3020 	return true;
3021 }
3022 
3023 /**
3024  * ice_is_cgu_in_netlist - check for CGU presence
3025  * @hw: pointer to the hw struct
3026  *
3027  * Check if the Clock Generation Unit (CGU) device is present in the netlist.
3028  * Save the CGU part number in the hw structure for later use.
3029  * Return:
3030  * * true - cgu is present
3031  * * false - cgu is not present
3032  */
ice_is_cgu_in_netlist(struct ice_hw * hw)3033 bool ice_is_cgu_in_netlist(struct ice_hw *hw)
3034 {
3035 	if (!ice_find_netlist_node(hw, ICE_AQC_LINK_TOPO_NODE_TYPE_CLK_CTRL,
3036 				   ICE_AQC_LINK_TOPO_NODE_CTX_GLOBAL,
3037 				   ICE_AQC_GET_LINK_TOPO_NODE_NR_ZL30632_80032,
3038 				   NULL)) {
3039 		hw->cgu_part_number = ICE_AQC_GET_LINK_TOPO_NODE_NR_ZL30632_80032;
3040 		return true;
3041 	} else if (!ice_find_netlist_node(hw,
3042 					  ICE_AQC_LINK_TOPO_NODE_TYPE_CLK_CTRL,
3043 					  ICE_AQC_LINK_TOPO_NODE_CTX_GLOBAL,
3044 					  ICE_AQC_GET_LINK_TOPO_NODE_NR_SI5383_5384,
3045 					  NULL)) {
3046 		hw->cgu_part_number = ICE_AQC_GET_LINK_TOPO_NODE_NR_SI5383_5384;
3047 		return true;
3048 	}
3049 
3050 	return false;
3051 }
3052 
3053 /**
3054  * ice_is_gps_in_netlist
3055  * @hw: pointer to the hw struct
3056  *
3057  * Check if the GPS generic device is present in the netlist
3058  */
ice_is_gps_in_netlist(struct ice_hw * hw)3059 bool ice_is_gps_in_netlist(struct ice_hw *hw)
3060 {
3061 	if (ice_find_netlist_node(hw, ICE_AQC_LINK_TOPO_NODE_TYPE_GPS,
3062 				  ICE_AQC_LINK_TOPO_NODE_CTX_GLOBAL,
3063 				  ICE_AQC_GET_LINK_TOPO_NODE_NR_GEN_GPS, NULL))
3064 		return false;
3065 
3066 	return true;
3067 }
3068 
3069 /**
3070  * ice_aq_list_caps - query function/device capabilities
3071  * @hw: pointer to the HW struct
3072  * @buf: a buffer to hold the capabilities
3073  * @buf_size: size of the buffer
3074  * @cap_count: if not NULL, set to the number of capabilities reported
3075  * @opc: capabilities type to discover, device or function
3076  * @cd: pointer to command details structure or NULL
3077  *
3078  * Get the function (0x000A) or device (0x000B) capabilities description from
3079  * firmware and store it in the buffer.
3080  *
3081  * If the cap_count pointer is not NULL, then it is set to the number of
3082  * capabilities firmware will report. Note that if the buffer size is too
3083  * small, it is possible the command will return ICE_AQ_ERR_ENOMEM. The
3084  * cap_count will still be updated in this case. It is recommended that the
3085  * buffer size be set to ICE_AQ_MAX_BUF_LEN (the largest possible buffer that
3086  * firmware could return) to avoid this.
3087  */
3088 int
ice_aq_list_caps(struct ice_hw * hw,void * buf,u16 buf_size,u32 * cap_count,enum ice_adminq_opc opc,struct ice_sq_cd * cd)3089 ice_aq_list_caps(struct ice_hw *hw, void *buf, u16 buf_size, u32 *cap_count,
3090 		 enum ice_adminq_opc opc, struct ice_sq_cd *cd)
3091 {
3092 	struct libie_aqc_list_caps *cmd;
3093 	struct libie_aq_desc desc;
3094 	int status;
3095 
3096 	cmd = &desc.params.get_cap;
3097 
3098 	if (opc != ice_aqc_opc_list_func_caps &&
3099 	    opc != ice_aqc_opc_list_dev_caps)
3100 		return -EINVAL;
3101 
3102 	ice_fill_dflt_direct_cmd_desc(&desc, opc);
3103 	status = ice_aq_send_cmd(hw, &desc, buf, buf_size, cd);
3104 
3105 	if (cap_count)
3106 		*cap_count = le32_to_cpu(cmd->count);
3107 
3108 	return status;
3109 }
3110 
3111 /**
3112  * ice_discover_dev_caps - Read and extract device capabilities
3113  * @hw: pointer to the hardware structure
3114  * @dev_caps: pointer to device capabilities structure
3115  *
3116  * Read the device capabilities and extract them into the dev_caps structure
3117  * for later use.
3118  */
3119 int
ice_discover_dev_caps(struct ice_hw * hw,struct ice_hw_dev_caps * dev_caps)3120 ice_discover_dev_caps(struct ice_hw *hw, struct ice_hw_dev_caps *dev_caps)
3121 {
3122 	u32 cap_count = 0;
3123 	void *cbuf;
3124 	int status;
3125 
3126 	cbuf = kzalloc(ICE_AQ_MAX_BUF_LEN, GFP_KERNEL);
3127 	if (!cbuf)
3128 		return -ENOMEM;
3129 
3130 	/* Although the driver doesn't know the number of capabilities the
3131 	 * device will return, we can simply send a 4KB buffer, the maximum
3132 	 * possible size that firmware can return.
3133 	 */
3134 	cap_count = ICE_AQ_MAX_BUF_LEN / sizeof(struct libie_aqc_list_caps_elem);
3135 
3136 	status = ice_aq_list_caps(hw, cbuf, ICE_AQ_MAX_BUF_LEN, &cap_count,
3137 				  ice_aqc_opc_list_dev_caps, NULL);
3138 	if (!status)
3139 		ice_parse_dev_caps(hw, dev_caps, cbuf, cap_count);
3140 	kfree(cbuf);
3141 
3142 	return status;
3143 }
3144 
3145 /**
3146  * ice_discover_func_caps - Read and extract function capabilities
3147  * @hw: pointer to the hardware structure
3148  * @func_caps: pointer to function capabilities structure
3149  *
3150  * Read the function capabilities and extract them into the func_caps structure
3151  * for later use.
3152  */
3153 static int
ice_discover_func_caps(struct ice_hw * hw,struct ice_hw_func_caps * func_caps)3154 ice_discover_func_caps(struct ice_hw *hw, struct ice_hw_func_caps *func_caps)
3155 {
3156 	u32 cap_count = 0;
3157 	void *cbuf;
3158 	int status;
3159 
3160 	cbuf = kzalloc(ICE_AQ_MAX_BUF_LEN, GFP_KERNEL);
3161 	if (!cbuf)
3162 		return -ENOMEM;
3163 
3164 	/* Although the driver doesn't know the number of capabilities the
3165 	 * device will return, we can simply send a 4KB buffer, the maximum
3166 	 * possible size that firmware can return.
3167 	 */
3168 	cap_count = ICE_AQ_MAX_BUF_LEN / sizeof(struct libie_aqc_list_caps_elem);
3169 
3170 	status = ice_aq_list_caps(hw, cbuf, ICE_AQ_MAX_BUF_LEN, &cap_count,
3171 				  ice_aqc_opc_list_func_caps, NULL);
3172 	if (!status)
3173 		ice_parse_func_caps(hw, func_caps, cbuf, cap_count);
3174 	kfree(cbuf);
3175 
3176 	return status;
3177 }
3178 
3179 /**
3180  * ice_set_safe_mode_caps - Override dev/func capabilities when in safe mode
3181  * @hw: pointer to the hardware structure
3182  */
ice_set_safe_mode_caps(struct ice_hw * hw)3183 void ice_set_safe_mode_caps(struct ice_hw *hw)
3184 {
3185 	struct ice_hw_func_caps *func_caps = &hw->func_caps;
3186 	struct ice_hw_dev_caps *dev_caps = &hw->dev_caps;
3187 	struct ice_hw_common_caps cached_caps;
3188 	u32 num_funcs;
3189 
3190 	/* cache some func_caps values that should be restored after memset */
3191 	cached_caps = func_caps->common_cap;
3192 
3193 	/* unset func capabilities */
3194 	memset(func_caps, 0, sizeof(*func_caps));
3195 
3196 #define ICE_RESTORE_FUNC_CAP(name) \
3197 	func_caps->common_cap.name = cached_caps.name
3198 
3199 	/* restore cached values */
3200 	ICE_RESTORE_FUNC_CAP(valid_functions);
3201 	ICE_RESTORE_FUNC_CAP(txq_first_id);
3202 	ICE_RESTORE_FUNC_CAP(rxq_first_id);
3203 	ICE_RESTORE_FUNC_CAP(msix_vector_first_id);
3204 	ICE_RESTORE_FUNC_CAP(max_mtu);
3205 	ICE_RESTORE_FUNC_CAP(nvm_unified_update);
3206 	ICE_RESTORE_FUNC_CAP(nvm_update_pending_nvm);
3207 	ICE_RESTORE_FUNC_CAP(nvm_update_pending_orom);
3208 	ICE_RESTORE_FUNC_CAP(nvm_update_pending_netlist);
3209 
3210 	/* one Tx and one Rx queue in safe mode */
3211 	func_caps->common_cap.num_rxq = 1;
3212 	func_caps->common_cap.num_txq = 1;
3213 
3214 	/* two MSIX vectors, one for traffic and one for misc causes */
3215 	func_caps->common_cap.num_msix_vectors = 2;
3216 	func_caps->guar_num_vsi = 1;
3217 
3218 	/* cache some dev_caps values that should be restored after memset */
3219 	cached_caps = dev_caps->common_cap;
3220 	num_funcs = dev_caps->num_funcs;
3221 
3222 	/* unset dev capabilities */
3223 	memset(dev_caps, 0, sizeof(*dev_caps));
3224 
3225 #define ICE_RESTORE_DEV_CAP(name) \
3226 	dev_caps->common_cap.name = cached_caps.name
3227 
3228 	/* restore cached values */
3229 	ICE_RESTORE_DEV_CAP(valid_functions);
3230 	ICE_RESTORE_DEV_CAP(txq_first_id);
3231 	ICE_RESTORE_DEV_CAP(rxq_first_id);
3232 	ICE_RESTORE_DEV_CAP(msix_vector_first_id);
3233 	ICE_RESTORE_DEV_CAP(max_mtu);
3234 	ICE_RESTORE_DEV_CAP(nvm_unified_update);
3235 	ICE_RESTORE_DEV_CAP(nvm_update_pending_nvm);
3236 	ICE_RESTORE_DEV_CAP(nvm_update_pending_orom);
3237 	ICE_RESTORE_DEV_CAP(nvm_update_pending_netlist);
3238 	dev_caps->num_funcs = num_funcs;
3239 
3240 	/* one Tx and one Rx queue per function in safe mode */
3241 	dev_caps->common_cap.num_rxq = num_funcs;
3242 	dev_caps->common_cap.num_txq = num_funcs;
3243 
3244 	/* two MSIX vectors per function */
3245 	dev_caps->common_cap.num_msix_vectors = 2 * num_funcs;
3246 }
3247 
3248 /**
3249  * ice_get_caps - get info about the HW
3250  * @hw: pointer to the hardware structure
3251  */
ice_get_caps(struct ice_hw * hw)3252 int ice_get_caps(struct ice_hw *hw)
3253 {
3254 	int status;
3255 
3256 	status = ice_discover_dev_caps(hw, &hw->dev_caps);
3257 	if (status)
3258 		return status;
3259 
3260 	return ice_discover_func_caps(hw, &hw->func_caps);
3261 }
3262 
3263 /**
3264  * ice_aq_manage_mac_write - manage MAC address write command
3265  * @hw: pointer to the HW struct
3266  * @mac_addr: MAC address to be written as LAA/LAA+WoL/Port address
3267  * @flags: flags to control write behavior
3268  * @cd: pointer to command details structure or NULL
3269  *
3270  * This function is used to write MAC address to the NVM (0x0108).
3271  */
3272 int
ice_aq_manage_mac_write(struct ice_hw * hw,const u8 * mac_addr,u8 flags,struct ice_sq_cd * cd)3273 ice_aq_manage_mac_write(struct ice_hw *hw, const u8 *mac_addr, u8 flags,
3274 			struct ice_sq_cd *cd)
3275 {
3276 	struct ice_aqc_manage_mac_write *cmd;
3277 	struct libie_aq_desc desc;
3278 
3279 	cmd = libie_aq_raw(&desc);
3280 	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_manage_mac_write);
3281 
3282 	cmd->flags = flags;
3283 	ether_addr_copy(cmd->mac_addr, mac_addr);
3284 
3285 	return ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
3286 }
3287 
3288 /**
3289  * ice_aq_clear_pxe_mode
3290  * @hw: pointer to the HW struct
3291  *
3292  * Tell the firmware that the driver is taking over from PXE (0x0110).
3293  */
ice_aq_clear_pxe_mode(struct ice_hw * hw)3294 static int ice_aq_clear_pxe_mode(struct ice_hw *hw)
3295 {
3296 	struct ice_aqc_clear_pxe *cmd;
3297 	struct libie_aq_desc desc;
3298 
3299 	cmd = libie_aq_raw(&desc);
3300 	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_clear_pxe_mode);
3301 	cmd->rx_cnt = ICE_AQC_CLEAR_PXE_RX_CNT;
3302 
3303 	return ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
3304 }
3305 
3306 /**
3307  * ice_clear_pxe_mode - clear pxe operations mode
3308  * @hw: pointer to the HW struct
3309  *
3310  * Make sure all PXE mode settings are cleared, including things
3311  * like descriptor fetch/write-back mode.
3312  */
ice_clear_pxe_mode(struct ice_hw * hw)3313 void ice_clear_pxe_mode(struct ice_hw *hw)
3314 {
3315 	if (ice_check_sq_alive(hw, &hw->adminq))
3316 		ice_aq_clear_pxe_mode(hw);
3317 }
3318 
3319 /**
3320  * ice_aq_set_port_params - set physical port parameters.
3321  * @pi: pointer to the port info struct
3322  * @double_vlan: if set double VLAN is enabled
3323  * @cd: pointer to command details structure or NULL
3324  *
3325  * Set Physical port parameters (0x0203)
3326  */
3327 int
ice_aq_set_port_params(struct ice_port_info * pi,bool double_vlan,struct ice_sq_cd * cd)3328 ice_aq_set_port_params(struct ice_port_info *pi, bool double_vlan,
3329 		       struct ice_sq_cd *cd)
3330 
3331 {
3332 	struct ice_aqc_set_port_params *cmd;
3333 	struct ice_hw *hw = pi->hw;
3334 	struct libie_aq_desc desc;
3335 	u16 cmd_flags = 0;
3336 
3337 	cmd = libie_aq_raw(&desc);
3338 
3339 	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_port_params);
3340 	if (double_vlan)
3341 		cmd_flags |= ICE_AQC_SET_P_PARAMS_DOUBLE_VLAN_ENA;
3342 	cmd->cmd_flags = cpu_to_le16(cmd_flags);
3343 
3344 	cmd->local_fwd_mode = pi->local_fwd_mode |
3345 				ICE_AQC_SET_P_PARAMS_LOCAL_FWD_MODE_VALID;
3346 
3347 	return ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
3348 }
3349 
3350 /**
3351  * ice_is_100m_speed_supported
3352  * @hw: pointer to the HW struct
3353  *
3354  * returns true if 100M speeds are supported by the device,
3355  * false otherwise.
3356  */
ice_is_100m_speed_supported(struct ice_hw * hw)3357 bool ice_is_100m_speed_supported(struct ice_hw *hw)
3358 {
3359 	switch (hw->device_id) {
3360 	case ICE_DEV_ID_E822C_SGMII:
3361 	case ICE_DEV_ID_E822L_SGMII:
3362 	case ICE_DEV_ID_E823L_1GBE:
3363 	case ICE_DEV_ID_E823C_SGMII:
3364 	case ICE_DEV_ID_E825C_SGMII:
3365 		return true;
3366 	default:
3367 		return false;
3368 	}
3369 }
3370 
3371 /**
3372  * ice_get_link_speed_based_on_phy_type - returns link speed
3373  * @phy_type_low: lower part of phy_type
3374  * @phy_type_high: higher part of phy_type
3375  *
3376  * This helper function will convert an entry in PHY type structure
3377  * [phy_type_low, phy_type_high] to its corresponding link speed.
3378  * Note: In the structure of [phy_type_low, phy_type_high], there should
3379  * be one bit set, as this function will convert one PHY type to its
3380  * speed.
3381  *
3382  * Return:
3383  * * PHY speed for recognized PHY type
3384  * * If no bit gets set, ICE_AQ_LINK_SPEED_UNKNOWN will be returned
3385  * * If more than one bit gets set, ICE_AQ_LINK_SPEED_UNKNOWN will be returned
3386  */
ice_get_link_speed_based_on_phy_type(u64 phy_type_low,u64 phy_type_high)3387 u16 ice_get_link_speed_based_on_phy_type(u64 phy_type_low, u64 phy_type_high)
3388 {
3389 	u16 speed_phy_type_high = ICE_AQ_LINK_SPEED_UNKNOWN;
3390 	u16 speed_phy_type_low = ICE_AQ_LINK_SPEED_UNKNOWN;
3391 
3392 	switch (phy_type_low) {
3393 	case ICE_PHY_TYPE_LOW_100BASE_TX:
3394 	case ICE_PHY_TYPE_LOW_100M_SGMII:
3395 		speed_phy_type_low = ICE_AQ_LINK_SPEED_100MB;
3396 		break;
3397 	case ICE_PHY_TYPE_LOW_1000BASE_T:
3398 	case ICE_PHY_TYPE_LOW_1000BASE_SX:
3399 	case ICE_PHY_TYPE_LOW_1000BASE_LX:
3400 	case ICE_PHY_TYPE_LOW_1000BASE_KX:
3401 	case ICE_PHY_TYPE_LOW_1G_SGMII:
3402 		speed_phy_type_low = ICE_AQ_LINK_SPEED_1000MB;
3403 		break;
3404 	case ICE_PHY_TYPE_LOW_2500BASE_T:
3405 	case ICE_PHY_TYPE_LOW_2500BASE_X:
3406 	case ICE_PHY_TYPE_LOW_2500BASE_KX:
3407 		speed_phy_type_low = ICE_AQ_LINK_SPEED_2500MB;
3408 		break;
3409 	case ICE_PHY_TYPE_LOW_5GBASE_T:
3410 	case ICE_PHY_TYPE_LOW_5GBASE_KR:
3411 		speed_phy_type_low = ICE_AQ_LINK_SPEED_5GB;
3412 		break;
3413 	case ICE_PHY_TYPE_LOW_10GBASE_T:
3414 	case ICE_PHY_TYPE_LOW_10G_SFI_DA:
3415 	case ICE_PHY_TYPE_LOW_10GBASE_SR:
3416 	case ICE_PHY_TYPE_LOW_10GBASE_LR:
3417 	case ICE_PHY_TYPE_LOW_10GBASE_KR_CR1:
3418 	case ICE_PHY_TYPE_LOW_10G_SFI_AOC_ACC:
3419 	case ICE_PHY_TYPE_LOW_10G_SFI_C2C:
3420 		speed_phy_type_low = ICE_AQ_LINK_SPEED_10GB;
3421 		break;
3422 	case ICE_PHY_TYPE_LOW_25GBASE_T:
3423 	case ICE_PHY_TYPE_LOW_25GBASE_CR:
3424 	case ICE_PHY_TYPE_LOW_25GBASE_CR_S:
3425 	case ICE_PHY_TYPE_LOW_25GBASE_CR1:
3426 	case ICE_PHY_TYPE_LOW_25GBASE_SR:
3427 	case ICE_PHY_TYPE_LOW_25GBASE_LR:
3428 	case ICE_PHY_TYPE_LOW_25GBASE_KR:
3429 	case ICE_PHY_TYPE_LOW_25GBASE_KR_S:
3430 	case ICE_PHY_TYPE_LOW_25GBASE_KR1:
3431 	case ICE_PHY_TYPE_LOW_25G_AUI_AOC_ACC:
3432 	case ICE_PHY_TYPE_LOW_25G_AUI_C2C:
3433 		speed_phy_type_low = ICE_AQ_LINK_SPEED_25GB;
3434 		break;
3435 	case ICE_PHY_TYPE_LOW_40GBASE_CR4:
3436 	case ICE_PHY_TYPE_LOW_40GBASE_SR4:
3437 	case ICE_PHY_TYPE_LOW_40GBASE_LR4:
3438 	case ICE_PHY_TYPE_LOW_40GBASE_KR4:
3439 	case ICE_PHY_TYPE_LOW_40G_XLAUI_AOC_ACC:
3440 	case ICE_PHY_TYPE_LOW_40G_XLAUI:
3441 		speed_phy_type_low = ICE_AQ_LINK_SPEED_40GB;
3442 		break;
3443 	case ICE_PHY_TYPE_LOW_50GBASE_CR2:
3444 	case ICE_PHY_TYPE_LOW_50GBASE_SR2:
3445 	case ICE_PHY_TYPE_LOW_50GBASE_LR2:
3446 	case ICE_PHY_TYPE_LOW_50GBASE_KR2:
3447 	case ICE_PHY_TYPE_LOW_50G_LAUI2_AOC_ACC:
3448 	case ICE_PHY_TYPE_LOW_50G_LAUI2:
3449 	case ICE_PHY_TYPE_LOW_50G_AUI2_AOC_ACC:
3450 	case ICE_PHY_TYPE_LOW_50G_AUI2:
3451 	case ICE_PHY_TYPE_LOW_50GBASE_CP:
3452 	case ICE_PHY_TYPE_LOW_50GBASE_SR:
3453 	case ICE_PHY_TYPE_LOW_50GBASE_FR:
3454 	case ICE_PHY_TYPE_LOW_50GBASE_LR:
3455 	case ICE_PHY_TYPE_LOW_50GBASE_KR_PAM4:
3456 	case ICE_PHY_TYPE_LOW_50G_AUI1_AOC_ACC:
3457 	case ICE_PHY_TYPE_LOW_50G_AUI1:
3458 		speed_phy_type_low = ICE_AQ_LINK_SPEED_50GB;
3459 		break;
3460 	case ICE_PHY_TYPE_LOW_100GBASE_CR4:
3461 	case ICE_PHY_TYPE_LOW_100GBASE_SR4:
3462 	case ICE_PHY_TYPE_LOW_100GBASE_LR4:
3463 	case ICE_PHY_TYPE_LOW_100GBASE_KR4:
3464 	case ICE_PHY_TYPE_LOW_100G_CAUI4_AOC_ACC:
3465 	case ICE_PHY_TYPE_LOW_100G_CAUI4:
3466 	case ICE_PHY_TYPE_LOW_100G_AUI4_AOC_ACC:
3467 	case ICE_PHY_TYPE_LOW_100G_AUI4:
3468 	case ICE_PHY_TYPE_LOW_100GBASE_CR_PAM4:
3469 	case ICE_PHY_TYPE_LOW_100GBASE_KR_PAM4:
3470 	case ICE_PHY_TYPE_LOW_100GBASE_CP2:
3471 	case ICE_PHY_TYPE_LOW_100GBASE_SR2:
3472 	case ICE_PHY_TYPE_LOW_100GBASE_DR:
3473 		speed_phy_type_low = ICE_AQ_LINK_SPEED_100GB;
3474 		break;
3475 	default:
3476 		speed_phy_type_low = ICE_AQ_LINK_SPEED_UNKNOWN;
3477 		break;
3478 	}
3479 
3480 	switch (phy_type_high) {
3481 	case ICE_PHY_TYPE_HIGH_100GBASE_KR2_PAM4:
3482 	case ICE_PHY_TYPE_HIGH_100G_CAUI2_AOC_ACC:
3483 	case ICE_PHY_TYPE_HIGH_100G_CAUI2:
3484 	case ICE_PHY_TYPE_HIGH_100G_AUI2_AOC_ACC:
3485 	case ICE_PHY_TYPE_HIGH_100G_AUI2:
3486 		speed_phy_type_high = ICE_AQ_LINK_SPEED_100GB;
3487 		break;
3488 	case ICE_PHY_TYPE_HIGH_200G_CR4_PAM4:
3489 	case ICE_PHY_TYPE_HIGH_200G_SR4:
3490 	case ICE_PHY_TYPE_HIGH_200G_FR4:
3491 	case ICE_PHY_TYPE_HIGH_200G_LR4:
3492 	case ICE_PHY_TYPE_HIGH_200G_DR4:
3493 	case ICE_PHY_TYPE_HIGH_200G_KR4_PAM4:
3494 	case ICE_PHY_TYPE_HIGH_200G_AUI4_AOC_ACC:
3495 	case ICE_PHY_TYPE_HIGH_200G_AUI4:
3496 		speed_phy_type_high = ICE_AQ_LINK_SPEED_200GB;
3497 		break;
3498 	default:
3499 		speed_phy_type_high = ICE_AQ_LINK_SPEED_UNKNOWN;
3500 		break;
3501 	}
3502 
3503 	if (speed_phy_type_low == ICE_AQ_LINK_SPEED_UNKNOWN &&
3504 	    speed_phy_type_high == ICE_AQ_LINK_SPEED_UNKNOWN)
3505 		return ICE_AQ_LINK_SPEED_UNKNOWN;
3506 	else if (speed_phy_type_low != ICE_AQ_LINK_SPEED_UNKNOWN &&
3507 		 speed_phy_type_high != ICE_AQ_LINK_SPEED_UNKNOWN)
3508 		return ICE_AQ_LINK_SPEED_UNKNOWN;
3509 	else if (speed_phy_type_low != ICE_AQ_LINK_SPEED_UNKNOWN &&
3510 		 speed_phy_type_high == ICE_AQ_LINK_SPEED_UNKNOWN)
3511 		return speed_phy_type_low;
3512 	else
3513 		return speed_phy_type_high;
3514 }
3515 
3516 /**
3517  * ice_update_phy_type
3518  * @phy_type_low: pointer to the lower part of phy_type
3519  * @phy_type_high: pointer to the higher part of phy_type
3520  * @link_speeds_bitmap: targeted link speeds bitmap
3521  *
3522  * Note: For the link_speeds_bitmap structure, you can check it at
3523  * [ice_aqc_get_link_status->link_speed]. Caller can pass in
3524  * link_speeds_bitmap include multiple speeds.
3525  *
3526  * Each entry in this [phy_type_low, phy_type_high] structure will
3527  * present a certain link speed. This helper function will turn on bits
3528  * in [phy_type_low, phy_type_high] structure based on the value of
3529  * link_speeds_bitmap input parameter.
3530  */
3531 void
ice_update_phy_type(u64 * phy_type_low,u64 * phy_type_high,u16 link_speeds_bitmap)3532 ice_update_phy_type(u64 *phy_type_low, u64 *phy_type_high,
3533 		    u16 link_speeds_bitmap)
3534 {
3535 	u64 pt_high;
3536 	u64 pt_low;
3537 	int index;
3538 	u16 speed;
3539 
3540 	/* We first check with low part of phy_type */
3541 	for (index = 0; index <= ICE_PHY_TYPE_LOW_MAX_INDEX; index++) {
3542 		pt_low = BIT_ULL(index);
3543 		speed = ice_get_link_speed_based_on_phy_type(pt_low, 0);
3544 
3545 		if (link_speeds_bitmap & speed)
3546 			*phy_type_low |= BIT_ULL(index);
3547 	}
3548 
3549 	/* We then check with high part of phy_type */
3550 	for (index = 0; index <= ICE_PHY_TYPE_HIGH_MAX_INDEX; index++) {
3551 		pt_high = BIT_ULL(index);
3552 		speed = ice_get_link_speed_based_on_phy_type(0, pt_high);
3553 
3554 		if (link_speeds_bitmap & speed)
3555 			*phy_type_high |= BIT_ULL(index);
3556 	}
3557 }
3558 
3559 /**
3560  * ice_aq_set_phy_cfg
3561  * @hw: pointer to the HW struct
3562  * @pi: port info structure of the interested logical port
3563  * @cfg: structure with PHY configuration data to be set
3564  * @cd: pointer to command details structure or NULL
3565  *
3566  * Set the various PHY configuration parameters supported on the Port.
3567  * One or more of the Set PHY config parameters may be ignored in an MFP
3568  * mode as the PF may not have the privilege to set some of the PHY Config
3569  * parameters. This status will be indicated by the command response (0x0601).
3570  */
3571 int
ice_aq_set_phy_cfg(struct ice_hw * hw,struct ice_port_info * pi,struct ice_aqc_set_phy_cfg_data * cfg,struct ice_sq_cd * cd)3572 ice_aq_set_phy_cfg(struct ice_hw *hw, struct ice_port_info *pi,
3573 		   struct ice_aqc_set_phy_cfg_data *cfg, struct ice_sq_cd *cd)
3574 {
3575 	struct ice_aqc_set_phy_cfg *cmd;
3576 	struct libie_aq_desc desc;
3577 	int status;
3578 
3579 	if (!cfg)
3580 		return -EINVAL;
3581 
3582 	/* Ensure that only valid bits of cfg->caps can be turned on. */
3583 	if (cfg->caps & ~ICE_AQ_PHY_ENA_VALID_MASK) {
3584 		ice_debug(hw, ICE_DBG_PHY, "Invalid bit is set in ice_aqc_set_phy_cfg_data->caps : 0x%x\n",
3585 			  cfg->caps);
3586 
3587 		cfg->caps &= ICE_AQ_PHY_ENA_VALID_MASK;
3588 	}
3589 
3590 	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_phy_cfg);
3591 	cmd = libie_aq_raw(&desc);
3592 	cmd->lport_num = pi->lport;
3593 	desc.flags |= cpu_to_le16(LIBIE_AQ_FLAG_RD);
3594 
3595 	ice_debug(hw, ICE_DBG_LINK, "set phy cfg\n");
3596 	ice_debug(hw, ICE_DBG_LINK, "	phy_type_low = 0x%llx\n",
3597 		  (unsigned long long)le64_to_cpu(cfg->phy_type_low));
3598 	ice_debug(hw, ICE_DBG_LINK, "	phy_type_high = 0x%llx\n",
3599 		  (unsigned long long)le64_to_cpu(cfg->phy_type_high));
3600 	ice_debug(hw, ICE_DBG_LINK, "	caps = 0x%x\n", cfg->caps);
3601 	ice_debug(hw, ICE_DBG_LINK, "	low_power_ctrl_an = 0x%x\n",
3602 		  cfg->low_power_ctrl_an);
3603 	ice_debug(hw, ICE_DBG_LINK, "	eee_cap = 0x%x\n", cfg->eee_cap);
3604 	ice_debug(hw, ICE_DBG_LINK, "	eeer_value = 0x%x\n", cfg->eeer_value);
3605 	ice_debug(hw, ICE_DBG_LINK, "	link_fec_opt = 0x%x\n",
3606 		  cfg->link_fec_opt);
3607 
3608 	status = ice_aq_send_cmd(hw, &desc, cfg, sizeof(*cfg), cd);
3609 	if (hw->adminq.sq_last_status == LIBIE_AQ_RC_EMODE)
3610 		status = 0;
3611 
3612 	if (!status)
3613 		pi->phy.curr_user_phy_cfg = *cfg;
3614 
3615 	return status;
3616 }
3617 
3618 /**
3619  * ice_update_link_info - update status of the HW network link
3620  * @pi: port info structure of the interested logical port
3621  */
ice_update_link_info(struct ice_port_info * pi)3622 int ice_update_link_info(struct ice_port_info *pi)
3623 {
3624 	struct ice_link_status *li;
3625 	int status;
3626 
3627 	if (!pi)
3628 		return -EINVAL;
3629 
3630 	li = &pi->phy.link_info;
3631 
3632 	status = ice_aq_get_link_info(pi, true, NULL, NULL);
3633 	if (status)
3634 		return status;
3635 
3636 	if (li->link_info & ICE_AQ_MEDIA_AVAILABLE) {
3637 		struct ice_aqc_get_phy_caps_data *pcaps __free(kfree) = NULL;
3638 
3639 		pcaps = kzalloc_obj(*pcaps);
3640 		if (!pcaps)
3641 			return -ENOMEM;
3642 
3643 		status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_TOPO_CAP_MEDIA,
3644 					     pcaps, NULL);
3645 	}
3646 
3647 	return status;
3648 }
3649 
3650 /**
3651  * ice_aq_get_phy_equalization - function to read serdes equaliser
3652  * value from firmware using admin queue command.
3653  * @hw: pointer to the HW struct
3654  * @data_in: represents the serdes equalization parameter requested
3655  * @op_code: represents the serdes number and flag to represent tx or rx
3656  * @serdes_num: represents the serdes number
3657  * @output: pointer to the caller-supplied buffer to return serdes equaliser
3658  *
3659  * Return: non-zero status on error and 0 on success.
3660  */
ice_aq_get_phy_equalization(struct ice_hw * hw,u16 data_in,u16 op_code,u8 serdes_num,int * output)3661 int ice_aq_get_phy_equalization(struct ice_hw *hw, u16 data_in, u16 op_code,
3662 				u8 serdes_num, int *output)
3663 {
3664 	struct ice_aqc_dnl_call_command *cmd;
3665 	struct ice_aqc_dnl_call buf = {};
3666 	struct libie_aq_desc desc;
3667 	int err;
3668 
3669 	buf.sto.txrx_equa_reqs.data_in = cpu_to_le16(data_in);
3670 	buf.sto.txrx_equa_reqs.op_code_serdes_sel =
3671 		cpu_to_le16(op_code | (serdes_num & 0xF));
3672 	cmd = libie_aq_raw(&desc);
3673 	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_dnl_call);
3674 	desc.flags |= cpu_to_le16(LIBIE_AQ_FLAG_BUF |
3675 				  LIBIE_AQ_FLAG_RD |
3676 				  LIBIE_AQ_FLAG_SI);
3677 	desc.datalen = cpu_to_le16(sizeof(struct ice_aqc_dnl_call));
3678 	cmd->activity_id = cpu_to_le16(ICE_AQC_ACT_ID_DNL);
3679 
3680 	err = ice_aq_send_cmd(hw, &desc, &buf, sizeof(struct ice_aqc_dnl_call),
3681 			      NULL);
3682 	*output = err ? 0 : buf.sto.txrx_equa_resp.val;
3683 
3684 	return err;
3685 }
3686 
3687 #define FEC_REG_PORT(port) {	\
3688 	FEC_CORR_LOW_REG_PORT##port,		\
3689 	FEC_CORR_HIGH_REG_PORT##port,	\
3690 	FEC_UNCORR_LOW_REG_PORT##port,	\
3691 	FEC_UNCORR_HIGH_REG_PORT##port,	\
3692 }
3693 
3694 static const u32 fec_reg[][ICE_FEC_MAX] = {
3695 	FEC_REG_PORT(0),
3696 	FEC_REG_PORT(1),
3697 	FEC_REG_PORT(2),
3698 	FEC_REG_PORT(3)
3699 };
3700 
3701 /**
3702  * ice_aq_get_fec_stats - reads fec stats from phy
3703  * @hw: pointer to the HW struct
3704  * @pcs_quad: represents pcsquad of user input serdes
3705  * @pcs_port: represents the pcs port number part of above pcs quad
3706  * @fec_type: represents FEC stats type
3707  * @output: pointer to the caller-supplied buffer to return requested fec stats
3708  *
3709  * Return: non-zero status on error and 0 on success.
3710  */
ice_aq_get_fec_stats(struct ice_hw * hw,u16 pcs_quad,u16 pcs_port,enum ice_fec_stats_types fec_type,u32 * output)3711 int ice_aq_get_fec_stats(struct ice_hw *hw, u16 pcs_quad, u16 pcs_port,
3712 			 enum ice_fec_stats_types fec_type, u32 *output)
3713 {
3714 	u16 flag = (LIBIE_AQ_FLAG_RD | LIBIE_AQ_FLAG_BUF | LIBIE_AQ_FLAG_SI);
3715 	struct ice_sbq_msg_input msg = {};
3716 	u32 receiver_id, reg_offset;
3717 	int err;
3718 
3719 	if (pcs_port > 3)
3720 		return -EINVAL;
3721 
3722 	reg_offset = fec_reg[pcs_port][fec_type];
3723 
3724 	if (pcs_quad == 0)
3725 		receiver_id = FEC_RECEIVER_ID_PCS0;
3726 	else if (pcs_quad == 1)
3727 		receiver_id = FEC_RECEIVER_ID_PCS1;
3728 	else
3729 		return -EINVAL;
3730 
3731 	msg.msg_addr_low = lower_16_bits(reg_offset);
3732 	msg.msg_addr_high = receiver_id;
3733 	msg.opcode = ice_sbq_msg_rd;
3734 	msg.dest_dev = ice_sbq_dev_phy_0;
3735 
3736 	err = ice_sbq_rw_reg(hw, &msg, flag);
3737 	if (err)
3738 		return err;
3739 
3740 	*output = msg.data;
3741 	return 0;
3742 }
3743 
3744 /**
3745  * ice_cache_phy_user_req
3746  * @pi: port information structure
3747  * @cache_data: PHY logging data
3748  * @cache_mode: PHY logging mode
3749  *
3750  * Log the user request on (FC, FEC, SPEED) for later use.
3751  */
3752 static void
ice_cache_phy_user_req(struct ice_port_info * pi,struct ice_phy_cache_mode_data cache_data,enum ice_phy_cache_mode cache_mode)3753 ice_cache_phy_user_req(struct ice_port_info *pi,
3754 		       struct ice_phy_cache_mode_data cache_data,
3755 		       enum ice_phy_cache_mode cache_mode)
3756 {
3757 	if (!pi)
3758 		return;
3759 
3760 	switch (cache_mode) {
3761 	case ICE_FC_MODE:
3762 		pi->phy.curr_user_fc_req = cache_data.data.curr_user_fc_req;
3763 		break;
3764 	case ICE_SPEED_MODE:
3765 		pi->phy.curr_user_speed_req =
3766 			cache_data.data.curr_user_speed_req;
3767 		break;
3768 	case ICE_FEC_MODE:
3769 		pi->phy.curr_user_fec_req = cache_data.data.curr_user_fec_req;
3770 		break;
3771 	default:
3772 		break;
3773 	}
3774 }
3775 
3776 /**
3777  * ice_caps_to_fc_mode
3778  * @caps: PHY capabilities
3779  *
3780  * Convert PHY FC capabilities to ice FC mode
3781  */
ice_caps_to_fc_mode(u8 caps)3782 enum ice_fc_mode ice_caps_to_fc_mode(u8 caps)
3783 {
3784 	if (caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE &&
3785 	    caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE)
3786 		return ICE_FC_FULL;
3787 
3788 	if (caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE)
3789 		return ICE_FC_TX_PAUSE;
3790 
3791 	if (caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE)
3792 		return ICE_FC_RX_PAUSE;
3793 
3794 	return ICE_FC_NONE;
3795 }
3796 
3797 /**
3798  * ice_caps_to_fec_mode
3799  * @caps: PHY capabilities
3800  * @fec_options: Link FEC options
3801  *
3802  * Convert PHY FEC capabilities to ice FEC mode
3803  */
ice_caps_to_fec_mode(u8 caps,u8 fec_options)3804 enum ice_fec_mode ice_caps_to_fec_mode(u8 caps, u8 fec_options)
3805 {
3806 	if (caps & ICE_AQC_PHY_EN_AUTO_FEC)
3807 		return ICE_FEC_AUTO;
3808 
3809 	if (fec_options & (ICE_AQC_PHY_FEC_10G_KR_40G_KR4_EN |
3810 			   ICE_AQC_PHY_FEC_10G_KR_40G_KR4_REQ |
3811 			   ICE_AQC_PHY_FEC_25G_KR_CLAUSE74_EN |
3812 			   ICE_AQC_PHY_FEC_25G_KR_REQ))
3813 		return ICE_FEC_BASER;
3814 
3815 	if (fec_options & (ICE_AQC_PHY_FEC_25G_RS_528_REQ |
3816 			   ICE_AQC_PHY_FEC_25G_RS_544_REQ |
3817 			   ICE_AQC_PHY_FEC_25G_RS_CLAUSE91_EN))
3818 		return ICE_FEC_RS;
3819 
3820 	return ICE_FEC_NONE;
3821 }
3822 
3823 /**
3824  * ice_cfg_phy_fc - Configure PHY FC data based on FC mode
3825  * @pi: port information structure
3826  * @cfg: PHY configuration data to set FC mode
3827  * @req_mode: FC mode to configure
3828  */
3829 int
ice_cfg_phy_fc(struct ice_port_info * pi,struct ice_aqc_set_phy_cfg_data * cfg,enum ice_fc_mode req_mode)3830 ice_cfg_phy_fc(struct ice_port_info *pi, struct ice_aqc_set_phy_cfg_data *cfg,
3831 	       enum ice_fc_mode req_mode)
3832 {
3833 	struct ice_phy_cache_mode_data cache_data;
3834 	u8 pause_mask = 0x0;
3835 
3836 	if (!pi || !cfg)
3837 		return -EINVAL;
3838 
3839 	switch (req_mode) {
3840 	case ICE_FC_FULL:
3841 		pause_mask |= ICE_AQC_PHY_EN_TX_LINK_PAUSE;
3842 		pause_mask |= ICE_AQC_PHY_EN_RX_LINK_PAUSE;
3843 		break;
3844 	case ICE_FC_RX_PAUSE:
3845 		pause_mask |= ICE_AQC_PHY_EN_RX_LINK_PAUSE;
3846 		break;
3847 	case ICE_FC_TX_PAUSE:
3848 		pause_mask |= ICE_AQC_PHY_EN_TX_LINK_PAUSE;
3849 		break;
3850 	default:
3851 		break;
3852 	}
3853 
3854 	/* clear the old pause settings */
3855 	cfg->caps &= ~(ICE_AQC_PHY_EN_TX_LINK_PAUSE |
3856 		ICE_AQC_PHY_EN_RX_LINK_PAUSE);
3857 
3858 	/* set the new capabilities */
3859 	cfg->caps |= pause_mask;
3860 
3861 	/* Cache user FC request */
3862 	cache_data.data.curr_user_fc_req = req_mode;
3863 	ice_cache_phy_user_req(pi, cache_data, ICE_FC_MODE);
3864 
3865 	return 0;
3866 }
3867 
3868 /**
3869  * ice_set_fc
3870  * @pi: port information structure
3871  * @aq_failures: pointer to status code, specific to ice_set_fc routine
3872  * @ena_auto_link_update: enable automatic link update
3873  *
3874  * Set the requested flow control mode.
3875  */
3876 int
ice_set_fc(struct ice_port_info * pi,u8 * aq_failures,bool ena_auto_link_update)3877 ice_set_fc(struct ice_port_info *pi, u8 *aq_failures, bool ena_auto_link_update)
3878 {
3879 	struct ice_aqc_get_phy_caps_data *pcaps __free(kfree) = NULL;
3880 	struct ice_aqc_set_phy_cfg_data cfg = { 0 };
3881 	struct ice_hw *hw;
3882 	int status;
3883 
3884 	if (!pi || !aq_failures)
3885 		return -EINVAL;
3886 
3887 	*aq_failures = 0;
3888 	hw = pi->hw;
3889 
3890 	pcaps = kzalloc_obj(*pcaps);
3891 	if (!pcaps)
3892 		return -ENOMEM;
3893 
3894 	/* Get the current PHY config */
3895 	status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_ACTIVE_CFG,
3896 				     pcaps, NULL);
3897 	if (status) {
3898 		*aq_failures = ICE_SET_FC_AQ_FAIL_GET;
3899 		goto out;
3900 	}
3901 
3902 	ice_copy_phy_caps_to_cfg(pi, pcaps, &cfg);
3903 
3904 	/* Configure the set PHY data */
3905 	status = ice_cfg_phy_fc(pi, &cfg, pi->fc.req_mode);
3906 	if (status)
3907 		goto out;
3908 
3909 	/* If the capabilities have changed, then set the new config */
3910 	if (cfg.caps != pcaps->caps) {
3911 		int retry_count, retry_max = 10;
3912 
3913 		/* Auto restart link so settings take effect */
3914 		if (ena_auto_link_update)
3915 			cfg.caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT;
3916 
3917 		status = ice_aq_set_phy_cfg(hw, pi, &cfg, NULL);
3918 		if (status) {
3919 			*aq_failures = ICE_SET_FC_AQ_FAIL_SET;
3920 			goto out;
3921 		}
3922 
3923 		/* Update the link info
3924 		 * It sometimes takes a really long time for link to
3925 		 * come back from the atomic reset. Thus, we wait a
3926 		 * little bit.
3927 		 */
3928 		for (retry_count = 0; retry_count < retry_max; retry_count++) {
3929 			status = ice_update_link_info(pi);
3930 
3931 			if (!status)
3932 				break;
3933 
3934 			mdelay(100);
3935 		}
3936 
3937 		if (status)
3938 			*aq_failures = ICE_SET_FC_AQ_FAIL_UPDATE;
3939 	}
3940 
3941 out:
3942 	return status;
3943 }
3944 
3945 /**
3946  * ice_phy_caps_equals_cfg
3947  * @phy_caps: PHY capabilities
3948  * @phy_cfg: PHY configuration
3949  *
3950  * Helper function to determine if PHY capabilities matches PHY
3951  * configuration
3952  */
3953 bool
ice_phy_caps_equals_cfg(struct ice_aqc_get_phy_caps_data * phy_caps,struct ice_aqc_set_phy_cfg_data * phy_cfg)3954 ice_phy_caps_equals_cfg(struct ice_aqc_get_phy_caps_data *phy_caps,
3955 			struct ice_aqc_set_phy_cfg_data *phy_cfg)
3956 {
3957 	u8 caps_mask, cfg_mask;
3958 
3959 	if (!phy_caps || !phy_cfg)
3960 		return false;
3961 
3962 	/* These bits are not common between capabilities and configuration.
3963 	 * Do not use them to determine equality.
3964 	 */
3965 	caps_mask = ICE_AQC_PHY_CAPS_MASK & ~(ICE_AQC_PHY_AN_MODE |
3966 					      ICE_AQC_GET_PHY_EN_MOD_QUAL);
3967 	cfg_mask = ICE_AQ_PHY_ENA_VALID_MASK & ~ICE_AQ_PHY_ENA_AUTO_LINK_UPDT;
3968 
3969 	if (phy_caps->phy_type_low != phy_cfg->phy_type_low ||
3970 	    phy_caps->phy_type_high != phy_cfg->phy_type_high ||
3971 	    ((phy_caps->caps & caps_mask) != (phy_cfg->caps & cfg_mask)) ||
3972 	    phy_caps->low_power_ctrl_an != phy_cfg->low_power_ctrl_an ||
3973 	    phy_caps->eee_cap != phy_cfg->eee_cap ||
3974 	    phy_caps->eeer_value != phy_cfg->eeer_value ||
3975 	    phy_caps->link_fec_options != phy_cfg->link_fec_opt)
3976 		return false;
3977 
3978 	return true;
3979 }
3980 
3981 /**
3982  * ice_copy_phy_caps_to_cfg - Copy PHY ability data to configuration data
3983  * @pi: port information structure
3984  * @caps: PHY ability structure to copy date from
3985  * @cfg: PHY configuration structure to copy data to
3986  *
3987  * Helper function to copy AQC PHY get ability data to PHY set configuration
3988  * data structure
3989  */
3990 void
ice_copy_phy_caps_to_cfg(struct ice_port_info * pi,struct ice_aqc_get_phy_caps_data * caps,struct ice_aqc_set_phy_cfg_data * cfg)3991 ice_copy_phy_caps_to_cfg(struct ice_port_info *pi,
3992 			 struct ice_aqc_get_phy_caps_data *caps,
3993 			 struct ice_aqc_set_phy_cfg_data *cfg)
3994 {
3995 	if (!pi || !caps || !cfg)
3996 		return;
3997 
3998 	memset(cfg, 0, sizeof(*cfg));
3999 	cfg->phy_type_low = caps->phy_type_low;
4000 	cfg->phy_type_high = caps->phy_type_high;
4001 	cfg->caps = caps->caps;
4002 	cfg->low_power_ctrl_an = caps->low_power_ctrl_an;
4003 	cfg->eee_cap = caps->eee_cap;
4004 	cfg->eeer_value = caps->eeer_value;
4005 	cfg->link_fec_opt = caps->link_fec_options;
4006 	cfg->module_compliance_enforcement =
4007 		caps->module_compliance_enforcement;
4008 }
4009 
4010 /**
4011  * ice_cfg_phy_fec - Configure PHY FEC data based on FEC mode
4012  * @pi: port information structure
4013  * @cfg: PHY configuration data to set FEC mode
4014  * @fec: FEC mode to configure
4015  */
4016 int
ice_cfg_phy_fec(struct ice_port_info * pi,struct ice_aqc_set_phy_cfg_data * cfg,enum ice_fec_mode fec)4017 ice_cfg_phy_fec(struct ice_port_info *pi, struct ice_aqc_set_phy_cfg_data *cfg,
4018 		enum ice_fec_mode fec)
4019 {
4020 	struct ice_aqc_get_phy_caps_data *pcaps __free(kfree) = NULL;
4021 	struct ice_hw *hw;
4022 	int status;
4023 
4024 	if (!pi || !cfg)
4025 		return -EINVAL;
4026 
4027 	hw = pi->hw;
4028 
4029 	pcaps = kzalloc_obj(*pcaps);
4030 	if (!pcaps)
4031 		return -ENOMEM;
4032 
4033 	status = ice_aq_get_phy_caps(pi, false,
4034 				     (ice_fw_supports_report_dflt_cfg(hw) ?
4035 				      ICE_AQC_REPORT_DFLT_CFG :
4036 				      ICE_AQC_REPORT_TOPO_CAP_MEDIA), pcaps, NULL);
4037 	if (status)
4038 		goto out;
4039 
4040 	cfg->caps |= pcaps->caps & ICE_AQC_PHY_EN_AUTO_FEC;
4041 	cfg->link_fec_opt = pcaps->link_fec_options;
4042 
4043 	switch (fec) {
4044 	case ICE_FEC_BASER:
4045 		/* Clear RS bits, and AND BASE-R ability
4046 		 * bits and OR request bits.
4047 		 */
4048 		cfg->link_fec_opt &= ICE_AQC_PHY_FEC_10G_KR_40G_KR4_EN |
4049 			ICE_AQC_PHY_FEC_25G_KR_CLAUSE74_EN;
4050 		cfg->link_fec_opt |= ICE_AQC_PHY_FEC_10G_KR_40G_KR4_REQ |
4051 			ICE_AQC_PHY_FEC_25G_KR_REQ;
4052 		break;
4053 	case ICE_FEC_RS:
4054 		/* Clear BASE-R bits, and AND RS ability
4055 		 * bits and OR request bits.
4056 		 */
4057 		cfg->link_fec_opt &= ICE_AQC_PHY_FEC_25G_RS_CLAUSE91_EN;
4058 		cfg->link_fec_opt |= ICE_AQC_PHY_FEC_25G_RS_528_REQ |
4059 			ICE_AQC_PHY_FEC_25G_RS_544_REQ;
4060 		break;
4061 	case ICE_FEC_NONE:
4062 		/* Clear all FEC option bits. */
4063 		cfg->link_fec_opt &= ~ICE_AQC_PHY_FEC_MASK;
4064 		break;
4065 	case ICE_FEC_AUTO:
4066 		/* AND auto FEC bit, and all caps bits. */
4067 		cfg->caps &= ICE_AQC_PHY_CAPS_MASK;
4068 		cfg->link_fec_opt |= pcaps->link_fec_options;
4069 		break;
4070 	default:
4071 		status = -EINVAL;
4072 		break;
4073 	}
4074 
4075 	if (fec == ICE_FEC_AUTO && ice_fw_supports_link_override(hw) &&
4076 	    !ice_fw_supports_report_dflt_cfg(hw)) {
4077 		struct ice_link_default_override_tlv tlv = { 0 };
4078 
4079 		status = ice_get_link_default_override(&tlv, pi);
4080 		if (status)
4081 			goto out;
4082 
4083 		if (!(tlv.options & ICE_LINK_OVERRIDE_STRICT_MODE) &&
4084 		    (tlv.options & ICE_LINK_OVERRIDE_EN))
4085 			cfg->link_fec_opt = tlv.fec_options;
4086 	}
4087 
4088 out:
4089 	return status;
4090 }
4091 
4092 /**
4093  * ice_get_link_status - get status of the HW network link
4094  * @pi: port information structure
4095  * @link_up: pointer to bool (true/false = linkup/linkdown)
4096  *
4097  * Variable link_up is true if link is up, false if link is down.
4098  * The variable link_up is invalid if status is non zero. As a
4099  * result of this call, link status reporting becomes enabled
4100  */
ice_get_link_status(struct ice_port_info * pi,bool * link_up)4101 int ice_get_link_status(struct ice_port_info *pi, bool *link_up)
4102 {
4103 	struct ice_phy_info *phy_info;
4104 	int status = 0;
4105 
4106 	if (!pi || !link_up)
4107 		return -EINVAL;
4108 
4109 	phy_info = &pi->phy;
4110 
4111 	if (phy_info->get_link_info) {
4112 		status = ice_update_link_info(pi);
4113 
4114 		if (status)
4115 			ice_debug(pi->hw, ICE_DBG_LINK, "get link status error, status = %d\n",
4116 				  status);
4117 	}
4118 
4119 	*link_up = phy_info->link_info.link_info & ICE_AQ_LINK_UP;
4120 
4121 	return status;
4122 }
4123 
4124 /**
4125  * ice_aq_set_link_restart_an
4126  * @pi: pointer to the port information structure
4127  * @ena_link: if true: enable link, if false: disable link
4128  * @cd: pointer to command details structure or NULL
4129  *
4130  * Sets up the link and restarts the Auto-Negotiation over the link.
4131  */
4132 int
ice_aq_set_link_restart_an(struct ice_port_info * pi,bool ena_link,struct ice_sq_cd * cd)4133 ice_aq_set_link_restart_an(struct ice_port_info *pi, bool ena_link,
4134 			   struct ice_sq_cd *cd)
4135 {
4136 	struct ice_aqc_restart_an *cmd;
4137 	struct libie_aq_desc desc;
4138 
4139 	cmd = libie_aq_raw(&desc);
4140 
4141 	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_restart_an);
4142 
4143 	cmd->cmd_flags = ICE_AQC_RESTART_AN_LINK_RESTART;
4144 	cmd->lport_num = pi->lport;
4145 	if (ena_link)
4146 		cmd->cmd_flags |= ICE_AQC_RESTART_AN_LINK_ENABLE;
4147 	else
4148 		cmd->cmd_flags &= ~ICE_AQC_RESTART_AN_LINK_ENABLE;
4149 
4150 	return ice_aq_send_cmd(pi->hw, &desc, NULL, 0, cd);
4151 }
4152 
4153 /**
4154  * ice_aq_set_event_mask
4155  * @hw: pointer to the HW struct
4156  * @port_num: port number of the physical function
4157  * @mask: event mask to be set
4158  * @cd: pointer to command details structure or NULL
4159  *
4160  * Set event mask (0x0613)
4161  */
4162 int
ice_aq_set_event_mask(struct ice_hw * hw,u8 port_num,u16 mask,struct ice_sq_cd * cd)4163 ice_aq_set_event_mask(struct ice_hw *hw, u8 port_num, u16 mask,
4164 		      struct ice_sq_cd *cd)
4165 {
4166 	struct ice_aqc_set_event_mask *cmd;
4167 	struct libie_aq_desc desc;
4168 
4169 	cmd = libie_aq_raw(&desc);
4170 
4171 	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_event_mask);
4172 
4173 	cmd->lport_num = port_num;
4174 
4175 	cmd->event_mask = cpu_to_le16(mask);
4176 	return ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
4177 }
4178 
4179 /**
4180  * ice_aq_set_mac_loopback
4181  * @hw: pointer to the HW struct
4182  * @ena_lpbk: Enable or Disable loopback
4183  * @cd: pointer to command details structure or NULL
4184  *
4185  * Enable/disable loopback on a given port
4186  */
4187 int
ice_aq_set_mac_loopback(struct ice_hw * hw,bool ena_lpbk,struct ice_sq_cd * cd)4188 ice_aq_set_mac_loopback(struct ice_hw *hw, bool ena_lpbk, struct ice_sq_cd *cd)
4189 {
4190 	struct ice_aqc_set_mac_lb *cmd;
4191 	struct libie_aq_desc desc;
4192 
4193 	cmd = libie_aq_raw(&desc);
4194 
4195 	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_mac_lb);
4196 	if (ena_lpbk)
4197 		cmd->lb_mode = ICE_AQ_MAC_LB_EN;
4198 
4199 	return ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
4200 }
4201 
4202 /**
4203  * ice_aq_set_port_id_led
4204  * @pi: pointer to the port information
4205  * @is_orig_mode: is this LED set to original mode (by the net-list)
4206  * @cd: pointer to command details structure or NULL
4207  *
4208  * Set LED value for the given port (0x06e9)
4209  */
4210 int
ice_aq_set_port_id_led(struct ice_port_info * pi,bool is_orig_mode,struct ice_sq_cd * cd)4211 ice_aq_set_port_id_led(struct ice_port_info *pi, bool is_orig_mode,
4212 		       struct ice_sq_cd *cd)
4213 {
4214 	struct ice_aqc_set_port_id_led *cmd;
4215 	struct ice_hw *hw = pi->hw;
4216 	struct libie_aq_desc desc;
4217 
4218 	cmd = libie_aq_raw(&desc);
4219 
4220 	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_port_id_led);
4221 
4222 	if (is_orig_mode)
4223 		cmd->ident_mode = ICE_AQC_PORT_IDENT_LED_ORIG;
4224 	else
4225 		cmd->ident_mode = ICE_AQC_PORT_IDENT_LED_BLINK;
4226 
4227 	return ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
4228 }
4229 
4230 /**
4231  * ice_aq_get_port_options
4232  * @hw: pointer to the HW struct
4233  * @options: buffer for the resultant port options
4234  * @option_count: input - size of the buffer in port options structures,
4235  *                output - number of returned port options
4236  * @lport: logical port to call the command with (optional)
4237  * @lport_valid: when false, FW uses port owned by the PF instead of lport,
4238  *               when PF owns more than 1 port it must be true
4239  * @active_option_idx: index of active port option in returned buffer
4240  * @active_option_valid: active option in returned buffer is valid
4241  * @pending_option_idx: index of pending port option in returned buffer
4242  * @pending_option_valid: pending option in returned buffer is valid
4243  *
4244  * Calls Get Port Options AQC (0x06ea) and verifies result.
4245  */
4246 int
ice_aq_get_port_options(struct ice_hw * hw,struct ice_aqc_get_port_options_elem * options,u8 * option_count,u8 lport,bool lport_valid,u8 * active_option_idx,bool * active_option_valid,u8 * pending_option_idx,bool * pending_option_valid)4247 ice_aq_get_port_options(struct ice_hw *hw,
4248 			struct ice_aqc_get_port_options_elem *options,
4249 			u8 *option_count, u8 lport, bool lport_valid,
4250 			u8 *active_option_idx, bool *active_option_valid,
4251 			u8 *pending_option_idx, bool *pending_option_valid)
4252 {
4253 	struct ice_aqc_get_port_options *cmd;
4254 	struct libie_aq_desc desc;
4255 	int status;
4256 	u8 i;
4257 
4258 	/* options buffer shall be able to hold max returned options */
4259 	if (*option_count < ICE_AQC_PORT_OPT_COUNT_M)
4260 		return -EINVAL;
4261 
4262 	cmd = libie_aq_raw(&desc);
4263 	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_port_options);
4264 
4265 	if (lport_valid)
4266 		cmd->lport_num = lport;
4267 	cmd->lport_num_valid = lport_valid;
4268 
4269 	status = ice_aq_send_cmd(hw, &desc, options,
4270 				 *option_count * sizeof(*options), NULL);
4271 	if (status)
4272 		return status;
4273 
4274 	/* verify direct FW response & set output parameters */
4275 	*option_count = FIELD_GET(ICE_AQC_PORT_OPT_COUNT_M,
4276 				  cmd->port_options_count);
4277 	ice_debug(hw, ICE_DBG_PHY, "options: %x\n", *option_count);
4278 	*active_option_valid = FIELD_GET(ICE_AQC_PORT_OPT_VALID,
4279 					 cmd->port_options);
4280 	if (*active_option_valid) {
4281 		*active_option_idx = FIELD_GET(ICE_AQC_PORT_OPT_ACTIVE_M,
4282 					       cmd->port_options);
4283 		if (*active_option_idx > (*option_count - 1))
4284 			return -EIO;
4285 		ice_debug(hw, ICE_DBG_PHY, "active idx: %x\n",
4286 			  *active_option_idx);
4287 	}
4288 
4289 	*pending_option_valid = FIELD_GET(ICE_AQC_PENDING_PORT_OPT_VALID,
4290 					  cmd->pending_port_option_status);
4291 	if (*pending_option_valid) {
4292 		*pending_option_idx = FIELD_GET(ICE_AQC_PENDING_PORT_OPT_IDX_M,
4293 						cmd->pending_port_option_status);
4294 		if (*pending_option_idx > (*option_count - 1))
4295 			return -EIO;
4296 		ice_debug(hw, ICE_DBG_PHY, "pending idx: %x\n",
4297 			  *pending_option_idx);
4298 	}
4299 
4300 	/* mask output options fields */
4301 	for (i = 0; i < *option_count; i++) {
4302 		options[i].pmd = FIELD_GET(ICE_AQC_PORT_OPT_PMD_COUNT_M,
4303 					   options[i].pmd);
4304 		options[i].max_lane_speed = FIELD_GET(ICE_AQC_PORT_OPT_MAX_LANE_M,
4305 						      options[i].max_lane_speed);
4306 		ice_debug(hw, ICE_DBG_PHY, "pmds: %x max speed: %x\n",
4307 			  options[i].pmd, options[i].max_lane_speed);
4308 	}
4309 
4310 	return 0;
4311 }
4312 
4313 /**
4314  * ice_aq_set_port_option
4315  * @hw: pointer to the HW struct
4316  * @lport: logical port to call the command with
4317  * @lport_valid: when false, FW uses port owned by the PF instead of lport,
4318  *               when PF owns more than 1 port it must be true
4319  * @new_option: new port option to be written
4320  *
4321  * Calls Set Port Options AQC (0x06eb).
4322  */
4323 int
ice_aq_set_port_option(struct ice_hw * hw,u8 lport,u8 lport_valid,u8 new_option)4324 ice_aq_set_port_option(struct ice_hw *hw, u8 lport, u8 lport_valid,
4325 		       u8 new_option)
4326 {
4327 	struct ice_aqc_set_port_option *cmd;
4328 	struct libie_aq_desc desc;
4329 
4330 	if (new_option > ICE_AQC_PORT_OPT_COUNT_M)
4331 		return -EINVAL;
4332 
4333 	cmd = libie_aq_raw(&desc);
4334 	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_port_option);
4335 
4336 	if (lport_valid)
4337 		cmd->lport_num = lport;
4338 
4339 	cmd->lport_num_valid = lport_valid;
4340 	cmd->selected_port_option = new_option;
4341 
4342 	return ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
4343 }
4344 
4345 /**
4346  * ice_get_phy_lane_number - Get PHY lane number for current adapter
4347  * @hw: pointer to the hw struct
4348  *
4349  * Return: PHY lane number on success, negative error code otherwise.
4350  */
ice_get_phy_lane_number(struct ice_hw * hw)4351 int ice_get_phy_lane_number(struct ice_hw *hw)
4352 {
4353 	struct ice_aqc_get_port_options_elem *options;
4354 	unsigned int lport = 0;
4355 	unsigned int lane;
4356 	int err;
4357 
4358 	/* E82X does not have sequential IDs, lane number is PF ID.
4359 	 * For E825 device, the exception is the variant with external
4360 	 * PHY (0x579F), in which there is also 1:1 pf_id -> lane_number
4361 	 * mapping.
4362 	 */
4363 	if (hw->mac_type == ICE_MAC_GENERIC ||
4364 	    hw->device_id == ICE_DEV_ID_E825C_SGMII)
4365 		return hw->pf_id;
4366 
4367 	options = kzalloc_objs(*options, ICE_AQC_PORT_OPT_MAX);
4368 	if (!options)
4369 		return -ENOMEM;
4370 
4371 	for (lane = 0; lane < ICE_MAX_PORT_PER_PCI_DEV; lane++) {
4372 		u8 options_count = ICE_AQC_PORT_OPT_MAX;
4373 		u8 speed, active_idx, pending_idx;
4374 		bool active_valid, pending_valid;
4375 
4376 		err = ice_aq_get_port_options(hw, options, &options_count, lane,
4377 					      true, &active_idx, &active_valid,
4378 					      &pending_idx, &pending_valid);
4379 		if (err)
4380 			goto err;
4381 
4382 		if (!active_valid)
4383 			continue;
4384 
4385 		speed = options[active_idx].max_lane_speed;
4386 		/* If we don't get speed for this lane, it's unoccupied */
4387 		if (speed > ICE_AQC_PORT_OPT_MAX_LANE_40G)
4388 			continue;
4389 
4390 		if (hw->pf_id == lport) {
4391 			if (hw->mac_type == ICE_MAC_GENERIC_3K_E825 &&
4392 			    ice_is_dual(hw) && !ice_is_primary(hw))
4393 				lane += ICE_PORTS_PER_QUAD;
4394 			kfree(options);
4395 			return lane;
4396 		}
4397 		lport++;
4398 	}
4399 
4400 	/* PHY lane not found */
4401 	err = -ENXIO;
4402 err:
4403 	kfree(options);
4404 	return err;
4405 }
4406 
4407 /**
4408  * ice_aq_sff_eeprom
4409  * @hw: pointer to the HW struct
4410  * @lport: bits [7:0] = logical port, bit [8] = logical port valid
4411  * @bus_addr: I2C bus address of the eeprom (typically 0xA0, 0=topo default)
4412  * @mem_addr: I2C offset. lower 8 bits for address, 8 upper bits zero padding.
4413  * @page: QSFP page
4414  * @set_page: set or ignore the page
4415  * @data: pointer to data buffer to be read/written to the I2C device.
4416  * @length: 1-16 for read, 1 for write.
4417  * @write: 0 read, 1 for write.
4418  * @cd: pointer to command details structure or NULL
4419  *
4420  * Read/Write SFF EEPROM (0x06EE)
4421  */
4422 int
ice_aq_sff_eeprom(struct ice_hw * hw,u16 lport,u8 bus_addr,u16 mem_addr,u8 page,u8 set_page,u8 * data,u8 length,bool write,struct ice_sq_cd * cd)4423 ice_aq_sff_eeprom(struct ice_hw *hw, u16 lport, u8 bus_addr,
4424 		  u16 mem_addr, u8 page, u8 set_page, u8 *data, u8 length,
4425 		  bool write, struct ice_sq_cd *cd)
4426 {
4427 	struct ice_aqc_sff_eeprom *cmd;
4428 	struct libie_aq_desc desc;
4429 	u16 i2c_bus_addr;
4430 	int status;
4431 
4432 	if (!data || (mem_addr & 0xff00))
4433 		return -EINVAL;
4434 
4435 	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_sff_eeprom);
4436 	cmd = libie_aq_raw(&desc);
4437 	desc.flags = cpu_to_le16(LIBIE_AQ_FLAG_RD);
4438 	cmd->lport_num = (u8)(lport & 0xff);
4439 	cmd->lport_num_valid = (u8)((lport >> 8) & 0x01);
4440 	i2c_bus_addr = FIELD_PREP(ICE_AQC_SFF_I2CBUS_7BIT_M, bus_addr >> 1) |
4441 		       FIELD_PREP(ICE_AQC_SFF_SET_EEPROM_PAGE_M, set_page);
4442 	if (write)
4443 		i2c_bus_addr |= ICE_AQC_SFF_IS_WRITE;
4444 	cmd->i2c_bus_addr = cpu_to_le16(i2c_bus_addr);
4445 	cmd->i2c_mem_addr = cpu_to_le16(mem_addr & 0xff);
4446 	cmd->eeprom_page = le16_encode_bits(page, ICE_AQC_SFF_EEPROM_PAGE_M);
4447 
4448 	status = ice_aq_send_cmd(hw, &desc, data, length, cd);
4449 	return status;
4450 }
4451 
ice_lut_type_to_size(enum ice_lut_type type)4452 static enum ice_lut_size ice_lut_type_to_size(enum ice_lut_type type)
4453 {
4454 	switch (type) {
4455 	case ICE_LUT_VSI:
4456 		return ICE_LUT_VSI_SIZE;
4457 	case ICE_LUT_GLOBAL:
4458 		return ICE_LUT_GLOBAL_SIZE;
4459 	case ICE_LUT_PF:
4460 		return ICE_LUT_PF_SIZE;
4461 	}
4462 	WARN_ONCE(1, "incorrect type passed");
4463 	return ICE_LUT_VSI_SIZE;
4464 }
4465 
ice_lut_size_to_flag(enum ice_lut_size size)4466 static enum ice_aqc_lut_flags ice_lut_size_to_flag(enum ice_lut_size size)
4467 {
4468 	switch (size) {
4469 	case ICE_LUT_VSI_SIZE:
4470 		return ICE_AQC_LUT_SIZE_SMALL;
4471 	case ICE_LUT_GLOBAL_SIZE:
4472 		return ICE_AQC_LUT_SIZE_512;
4473 	case ICE_LUT_PF_SIZE:
4474 		return ICE_AQC_LUT_SIZE_2K;
4475 	}
4476 	WARN_ONCE(1, "incorrect size passed");
4477 	return 0;
4478 }
4479 
4480 /**
4481  * __ice_aq_get_set_rss_lut
4482  * @hw: pointer to the hardware structure
4483  * @params: RSS LUT parameters
4484  * @set: set true to set the table, false to get the table
4485  *
4486  * Internal function to get (0x0B05) or set (0x0B03) RSS look up table
4487  */
4488 static int
__ice_aq_get_set_rss_lut(struct ice_hw * hw,struct ice_aq_get_set_rss_lut_params * params,bool set)4489 __ice_aq_get_set_rss_lut(struct ice_hw *hw,
4490 			 struct ice_aq_get_set_rss_lut_params *params, bool set)
4491 {
4492 	u16 opcode, vsi_id, vsi_handle = params->vsi_handle, glob_lut_idx = 0;
4493 	enum ice_lut_type lut_type = params->lut_type;
4494 	struct ice_aqc_get_set_rss_lut *desc_params;
4495 	enum ice_aqc_lut_flags flags;
4496 	enum ice_lut_size lut_size;
4497 	struct libie_aq_desc desc;
4498 	u8 *lut = params->lut;
4499 
4500 
4501 	if (!lut || !ice_is_vsi_valid(hw, vsi_handle))
4502 		return -EINVAL;
4503 
4504 	lut_size = ice_lut_type_to_size(lut_type);
4505 	if (lut_size > params->lut_size)
4506 		return -EINVAL;
4507 	else if (set && lut_size != params->lut_size)
4508 		return -EINVAL;
4509 
4510 	opcode = set ? ice_aqc_opc_set_rss_lut : ice_aqc_opc_get_rss_lut;
4511 	ice_fill_dflt_direct_cmd_desc(&desc, opcode);
4512 	if (set)
4513 		desc.flags |= cpu_to_le16(LIBIE_AQ_FLAG_RD);
4514 
4515 	desc_params = libie_aq_raw(&desc);
4516 	vsi_id = ice_get_hw_vsi_num(hw, vsi_handle);
4517 	desc_params->vsi_id = cpu_to_le16(vsi_id | ICE_AQC_RSS_VSI_VALID);
4518 
4519 	if (lut_type == ICE_LUT_GLOBAL)
4520 		glob_lut_idx = FIELD_PREP(ICE_AQC_LUT_GLOBAL_IDX,
4521 					  params->global_lut_id);
4522 
4523 	flags = lut_type | glob_lut_idx | ice_lut_size_to_flag(lut_size);
4524 	desc_params->flags = cpu_to_le16(flags);
4525 
4526 	return ice_aq_send_cmd(hw, &desc, lut, lut_size, NULL);
4527 }
4528 
4529 /**
4530  * ice_aq_get_rss_lut
4531  * @hw: pointer to the hardware structure
4532  * @get_params: RSS LUT parameters used to specify which RSS LUT to get
4533  *
4534  * get the RSS lookup table, PF or VSI type
4535  */
4536 int
ice_aq_get_rss_lut(struct ice_hw * hw,struct ice_aq_get_set_rss_lut_params * get_params)4537 ice_aq_get_rss_lut(struct ice_hw *hw, struct ice_aq_get_set_rss_lut_params *get_params)
4538 {
4539 	return __ice_aq_get_set_rss_lut(hw, get_params, false);
4540 }
4541 
4542 /**
4543  * ice_aq_set_rss_lut
4544  * @hw: pointer to the hardware structure
4545  * @set_params: RSS LUT parameters used to specify how to set the RSS LUT
4546  *
4547  * set the RSS lookup table, PF or VSI type
4548  */
4549 int
ice_aq_set_rss_lut(struct ice_hw * hw,struct ice_aq_get_set_rss_lut_params * set_params)4550 ice_aq_set_rss_lut(struct ice_hw *hw, struct ice_aq_get_set_rss_lut_params *set_params)
4551 {
4552 	return __ice_aq_get_set_rss_lut(hw, set_params, true);
4553 }
4554 
4555 /**
4556  * __ice_aq_get_set_rss_key
4557  * @hw: pointer to the HW struct
4558  * @vsi_id: VSI FW index
4559  * @key: pointer to key info struct
4560  * @set: set true to set the key, false to get the key
4561  *
4562  * get (0x0B04) or set (0x0B02) the RSS key per VSI
4563  */
4564 static int
__ice_aq_get_set_rss_key(struct ice_hw * hw,u16 vsi_id,struct ice_aqc_get_set_rss_keys * key,bool set)4565 __ice_aq_get_set_rss_key(struct ice_hw *hw, u16 vsi_id,
4566 			 struct ice_aqc_get_set_rss_keys *key, bool set)
4567 {
4568 	struct ice_aqc_get_set_rss_key *desc_params;
4569 	u16 key_size = sizeof(*key);
4570 	struct libie_aq_desc desc;
4571 
4572 	if (set) {
4573 		ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_rss_key);
4574 		desc.flags |= cpu_to_le16(LIBIE_AQ_FLAG_RD);
4575 	} else {
4576 		ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_rss_key);
4577 	}
4578 
4579 	desc_params = libie_aq_raw(&desc);
4580 	desc_params->vsi_id = cpu_to_le16(vsi_id | ICE_AQC_RSS_VSI_VALID);
4581 
4582 	return ice_aq_send_cmd(hw, &desc, key, key_size, NULL);
4583 }
4584 
4585 /**
4586  * ice_aq_get_rss_key
4587  * @hw: pointer to the HW struct
4588  * @vsi_handle: software VSI handle
4589  * @key: pointer to key info struct
4590  *
4591  * get the RSS key per VSI
4592  */
4593 int
ice_aq_get_rss_key(struct ice_hw * hw,u16 vsi_handle,struct ice_aqc_get_set_rss_keys * key)4594 ice_aq_get_rss_key(struct ice_hw *hw, u16 vsi_handle,
4595 		   struct ice_aqc_get_set_rss_keys *key)
4596 {
4597 	if (!ice_is_vsi_valid(hw, vsi_handle) || !key)
4598 		return -EINVAL;
4599 
4600 	return __ice_aq_get_set_rss_key(hw, ice_get_hw_vsi_num(hw, vsi_handle),
4601 					key, false);
4602 }
4603 
4604 /**
4605  * ice_aq_set_rss_key
4606  * @hw: pointer to the HW struct
4607  * @vsi_handle: software VSI handle
4608  * @keys: pointer to key info struct
4609  *
4610  * set the RSS key per VSI
4611  */
4612 int
ice_aq_set_rss_key(struct ice_hw * hw,u16 vsi_handle,struct ice_aqc_get_set_rss_keys * keys)4613 ice_aq_set_rss_key(struct ice_hw *hw, u16 vsi_handle,
4614 		   struct ice_aqc_get_set_rss_keys *keys)
4615 {
4616 	if (!ice_is_vsi_valid(hw, vsi_handle) || !keys)
4617 		return -EINVAL;
4618 
4619 	return __ice_aq_get_set_rss_key(hw, ice_get_hw_vsi_num(hw, vsi_handle),
4620 					keys, true);
4621 }
4622 
4623 /**
4624  * ice_aq_add_lan_txq
4625  * @hw: pointer to the hardware structure
4626  * @num_qgrps: Number of added queue groups
4627  * @qg_list: list of queue groups to be added
4628  * @buf_size: size of buffer for indirect command
4629  * @cd: pointer to command details structure or NULL
4630  *
4631  * Add Tx LAN queue (0x0C30)
4632  *
4633  * NOTE:
4634  * Prior to calling add Tx LAN queue:
4635  * Initialize the following as part of the Tx queue context:
4636  * Completion queue ID if the queue uses Completion queue, Quanta profile,
4637  * Cache profile and Packet shaper profile.
4638  *
4639  * After add Tx LAN queue AQ command is completed:
4640  * Interrupts should be associated with specific queues,
4641  * Association of Tx queue to Doorbell queue is not part of Add LAN Tx queue
4642  * flow.
4643  */
4644 static int
ice_aq_add_lan_txq(struct ice_hw * hw,u8 num_qgrps,struct ice_aqc_add_tx_qgrp * qg_list,u16 buf_size,struct ice_sq_cd * cd)4645 ice_aq_add_lan_txq(struct ice_hw *hw, u8 num_qgrps,
4646 		   struct ice_aqc_add_tx_qgrp *qg_list, u16 buf_size,
4647 		   struct ice_sq_cd *cd)
4648 {
4649 	struct ice_aqc_add_tx_qgrp *list;
4650 	struct ice_aqc_add_txqs *cmd;
4651 	struct libie_aq_desc desc;
4652 	u16 i, sum_size = 0;
4653 
4654 	cmd = libie_aq_raw(&desc);
4655 
4656 	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_add_txqs);
4657 
4658 	if (!qg_list)
4659 		return -EINVAL;
4660 
4661 	if (num_qgrps > ICE_LAN_TXQ_MAX_QGRPS)
4662 		return -EINVAL;
4663 
4664 	for (i = 0, list = qg_list; i < num_qgrps; i++) {
4665 		sum_size += struct_size(list, txqs, list->num_txqs);
4666 		list = (struct ice_aqc_add_tx_qgrp *)(list->txqs +
4667 						      list->num_txqs);
4668 	}
4669 
4670 	if (buf_size != sum_size)
4671 		return -EINVAL;
4672 
4673 	desc.flags |= cpu_to_le16(LIBIE_AQ_FLAG_RD);
4674 
4675 	cmd->num_qgrps = num_qgrps;
4676 
4677 	return ice_aq_send_cmd(hw, &desc, qg_list, buf_size, cd);
4678 }
4679 
4680 /**
4681  * ice_aq_dis_lan_txq
4682  * @hw: pointer to the hardware structure
4683  * @num_qgrps: number of groups in the list
4684  * @qg_list: the list of groups to disable
4685  * @buf_size: the total size of the qg_list buffer in bytes
4686  * @rst_src: if called due to reset, specifies the reset source
4687  * @vmvf_num: the relative VM or VF number that is undergoing the reset
4688  * @cd: pointer to command details structure or NULL
4689  *
4690  * Disable LAN Tx queue (0x0C31)
4691  */
4692 static int
ice_aq_dis_lan_txq(struct ice_hw * hw,u8 num_qgrps,struct ice_aqc_dis_txq_item * qg_list,u16 buf_size,enum ice_disq_rst_src rst_src,u16 vmvf_num,struct ice_sq_cd * cd)4693 ice_aq_dis_lan_txq(struct ice_hw *hw, u8 num_qgrps,
4694 		   struct ice_aqc_dis_txq_item *qg_list, u16 buf_size,
4695 		   enum ice_disq_rst_src rst_src, u16 vmvf_num,
4696 		   struct ice_sq_cd *cd)
4697 {
4698 	struct ice_aqc_dis_txq_item *item;
4699 	struct ice_aqc_dis_txqs *cmd;
4700 	struct libie_aq_desc desc;
4701 	u16 vmvf_and_timeout;
4702 	u16 i, sz = 0;
4703 	int status;
4704 
4705 	cmd = libie_aq_raw(&desc);
4706 	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_dis_txqs);
4707 
4708 	/* qg_list can be NULL only in VM/VF reset flow */
4709 	if (!qg_list && !rst_src)
4710 		return -EINVAL;
4711 
4712 	if (num_qgrps > ICE_LAN_TXQ_MAX_QGRPS)
4713 		return -EINVAL;
4714 
4715 	cmd->num_entries = num_qgrps;
4716 
4717 	vmvf_and_timeout = FIELD_PREP(ICE_AQC_Q_DIS_TIMEOUT_M, 5);
4718 
4719 	switch (rst_src) {
4720 	case ICE_VM_RESET:
4721 		cmd->cmd_type = ICE_AQC_Q_DIS_CMD_VM_RESET;
4722 		vmvf_and_timeout |= vmvf_num & ICE_AQC_Q_DIS_VMVF_NUM_M;
4723 		break;
4724 	case ICE_VF_RESET:
4725 		cmd->cmd_type = ICE_AQC_Q_DIS_CMD_VF_RESET;
4726 		/* In this case, FW expects vmvf_num to be absolute VF ID */
4727 		vmvf_and_timeout |= (vmvf_num + hw->func_caps.vf_base_id) &
4728 				    ICE_AQC_Q_DIS_VMVF_NUM_M;
4729 		break;
4730 	case ICE_NO_RESET:
4731 	default:
4732 		break;
4733 	}
4734 
4735 	cmd->vmvf_and_timeout = cpu_to_le16(vmvf_and_timeout);
4736 
4737 	/* flush pipe on time out */
4738 	cmd->cmd_type |= ICE_AQC_Q_DIS_CMD_FLUSH_PIPE;
4739 	/* If no queue group info, we are in a reset flow. Issue the AQ */
4740 	if (!qg_list)
4741 		goto do_aq;
4742 
4743 	/* set RD bit to indicate that command buffer is provided by the driver
4744 	 * and it needs to be read by the firmware
4745 	 */
4746 	desc.flags |= cpu_to_le16(LIBIE_AQ_FLAG_RD);
4747 
4748 	for (i = 0, item = qg_list; i < num_qgrps; i++) {
4749 		u16 item_size = struct_size(item, q_id, item->num_qs);
4750 
4751 		/* If the num of queues is even, add 2 bytes of padding */
4752 		if ((item->num_qs % 2) == 0)
4753 			item_size += 2;
4754 
4755 		sz += item_size;
4756 
4757 		item = (struct ice_aqc_dis_txq_item *)((u8 *)item + item_size);
4758 	}
4759 
4760 	if (buf_size != sz)
4761 		return -EINVAL;
4762 
4763 do_aq:
4764 	status = ice_aq_send_cmd(hw, &desc, qg_list, buf_size, cd);
4765 	if (status) {
4766 		if (!qg_list)
4767 			ice_debug(hw, ICE_DBG_SCHED, "VM%d disable failed %d\n",
4768 				  vmvf_num, hw->adminq.sq_last_status);
4769 		else
4770 			ice_debug(hw, ICE_DBG_SCHED, "disable queue %d failed %d\n",
4771 				  le16_to_cpu(qg_list[0].q_id[0]),
4772 				  hw->adminq.sq_last_status);
4773 	}
4774 	return status;
4775 }
4776 
4777 /**
4778  * ice_aq_cfg_lan_txq - send AQ command 0x0C32 to FW
4779  * @hw: pointer to the hardware structure
4780  * @buf: buffer for command
4781  * @buf_size: size of buffer in bytes
4782  * @num_qs: number of queues being configured
4783  * @oldport: origination lport
4784  * @newport: destination lport
4785  * @mode: cmd_type for move to use
4786  * @cd: pointer to command details structure or NULL
4787  *
4788  * Move/Configure LAN Tx queue (0x0C32)
4789  *
4790  * Return: Zero on success, associated error code on failure.
4791  */
4792 int
ice_aq_cfg_lan_txq(struct ice_hw * hw,struct ice_aqc_cfg_txqs_buf * buf,u16 buf_size,u16 num_qs,u8 oldport,u8 newport,u8 mode,struct ice_sq_cd * cd)4793 ice_aq_cfg_lan_txq(struct ice_hw *hw, struct ice_aqc_cfg_txqs_buf *buf,
4794 		   u16 buf_size, u16 num_qs, u8 oldport, u8 newport,
4795 		   u8 mode, struct ice_sq_cd *cd)
4796 {
4797 	struct ice_aqc_cfg_txqs *cmd;
4798 	struct libie_aq_desc desc;
4799 	int status;
4800 
4801 	cmd = libie_aq_raw(&desc);
4802 	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_cfg_txqs);
4803 	desc.flags |= cpu_to_le16(LIBIE_AQ_FLAG_RD);
4804 
4805 	if (!buf)
4806 		return -EINVAL;
4807 
4808 	cmd->cmd_type = mode;
4809 	cmd->num_qs = num_qs;
4810 	cmd->port_num_chng = (oldport & ICE_AQC_Q_CFG_SRC_PRT_M);
4811 	cmd->port_num_chng |= FIELD_PREP(ICE_AQC_Q_CFG_DST_PRT_M, newport);
4812 	cmd->port_num_chng |= FIELD_PREP(ICE_AQC_Q_CFG_MODE_M,
4813 					 ICE_AQC_Q_CFG_MODE_KEEP_OWN);
4814 	cmd->time_out = FIELD_PREP(ICE_AQC_Q_CFG_TIMEOUT_M, 5);
4815 	cmd->blocked_cgds = 0;
4816 
4817 	status = ice_aq_send_cmd(hw, &desc, buf, buf_size, cd);
4818 	if (status)
4819 		ice_debug(hw, ICE_DBG_SCHED, "Failed to reconfigure nodes %d\n",
4820 			  hw->adminq.sq_last_status);
4821 	return status;
4822 }
4823 
4824 /**
4825  * ice_aq_add_rdma_qsets
4826  * @hw: pointer to the hardware structure
4827  * @num_qset_grps: Number of RDMA Qset groups
4828  * @qset_list: list of Qset groups to be added
4829  * @buf_size: size of buffer for indirect command
4830  * @cd: pointer to command details structure or NULL
4831  *
4832  * Add Tx RDMA Qsets (0x0C33)
4833  */
4834 static int
ice_aq_add_rdma_qsets(struct ice_hw * hw,u8 num_qset_grps,struct ice_aqc_add_rdma_qset_data * qset_list,u16 buf_size,struct ice_sq_cd * cd)4835 ice_aq_add_rdma_qsets(struct ice_hw *hw, u8 num_qset_grps,
4836 		      struct ice_aqc_add_rdma_qset_data *qset_list,
4837 		      u16 buf_size, struct ice_sq_cd *cd)
4838 {
4839 	struct ice_aqc_add_rdma_qset_data *list;
4840 	struct ice_aqc_add_rdma_qset *cmd;
4841 	struct libie_aq_desc desc;
4842 	u16 i, sum_size = 0;
4843 
4844 	cmd = libie_aq_raw(&desc);
4845 
4846 	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_add_rdma_qset);
4847 
4848 	if (num_qset_grps > ICE_LAN_TXQ_MAX_QGRPS)
4849 		return -EINVAL;
4850 
4851 	for (i = 0, list = qset_list; i < num_qset_grps; i++) {
4852 		u16 num_qsets = le16_to_cpu(list->num_qsets);
4853 
4854 		sum_size += struct_size(list, rdma_qsets, num_qsets);
4855 		list = (struct ice_aqc_add_rdma_qset_data *)(list->rdma_qsets +
4856 							     num_qsets);
4857 	}
4858 
4859 	if (buf_size != sum_size)
4860 		return -EINVAL;
4861 
4862 	desc.flags |= cpu_to_le16(LIBIE_AQ_FLAG_RD);
4863 
4864 	cmd->num_qset_grps = num_qset_grps;
4865 
4866 	return ice_aq_send_cmd(hw, &desc, qset_list, buf_size, cd);
4867 }
4868 
4869 /**
4870  * ice_aq_set_txtimeq - set Tx time queues
4871  * @hw: pointer to the hardware structure
4872  * @txtimeq: first Tx time queue id to configure
4873  * @q_count: number of queues to configure
4874  * @txtime_qg: queue group to be set
4875  * @buf_size: size of buffer for indirect command
4876  * @cd: pointer to command details structure or NULL
4877  *
4878  * Set Tx Time queue (0x0C35)
4879  * Return: 0 on success or negative value on failure.
4880  */
4881 int
ice_aq_set_txtimeq(struct ice_hw * hw,u16 txtimeq,u8 q_count,struct ice_aqc_set_txtime_qgrp * txtime_qg,u16 buf_size,struct ice_sq_cd * cd)4882 ice_aq_set_txtimeq(struct ice_hw *hw, u16 txtimeq, u8 q_count,
4883 		   struct ice_aqc_set_txtime_qgrp *txtime_qg, u16 buf_size,
4884 		   struct ice_sq_cd *cd)
4885 {
4886 	struct ice_aqc_set_txtimeqs *cmd;
4887 	struct libie_aq_desc desc;
4888 	u16 size;
4889 
4890 	if (!txtime_qg || txtimeq > ICE_TXTIME_MAX_QUEUE ||
4891 	    q_count < 1 || q_count > ICE_SET_TXTIME_MAX_Q_AMOUNT)
4892 		return -EINVAL;
4893 
4894 	size = struct_size(txtime_qg, txtimeqs, q_count);
4895 	if (buf_size != size)
4896 		return -EINVAL;
4897 
4898 	cmd = libie_aq_raw(&desc);
4899 
4900 	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_txtimeqs);
4901 
4902 	desc.flags |= cpu_to_le16(LIBIE_AQ_FLAG_RD);
4903 
4904 	cmd->q_id = cpu_to_le16(txtimeq);
4905 	cmd->q_amount = cpu_to_le16(q_count);
4906 	return ice_aq_send_cmd(hw, &desc, txtime_qg, buf_size, cd);
4907 }
4908 
4909 /* End of FW Admin Queue command wrappers */
4910 
4911 /**
4912  * ice_get_lan_q_ctx - get the LAN queue context for the given VSI and TC
4913  * @hw: pointer to the HW struct
4914  * @vsi_handle: software VSI handle
4915  * @tc: TC number
4916  * @q_handle: software queue handle
4917  */
4918 struct ice_q_ctx *
ice_get_lan_q_ctx(struct ice_hw * hw,u16 vsi_handle,u8 tc,u16 q_handle)4919 ice_get_lan_q_ctx(struct ice_hw *hw, u16 vsi_handle, u8 tc, u16 q_handle)
4920 {
4921 	struct ice_vsi_ctx *vsi;
4922 	struct ice_q_ctx *q_ctx;
4923 
4924 	vsi = ice_get_vsi_ctx(hw, vsi_handle);
4925 	if (!vsi)
4926 		return NULL;
4927 	if (q_handle >= vsi->num_lan_q_entries[tc])
4928 		return NULL;
4929 	if (!vsi->lan_q_ctx[tc])
4930 		return NULL;
4931 	q_ctx = vsi->lan_q_ctx[tc];
4932 	return &q_ctx[q_handle];
4933 }
4934 
4935 /**
4936  * ice_ena_vsi_txq
4937  * @pi: port information structure
4938  * @vsi_handle: software VSI handle
4939  * @tc: TC number
4940  * @q_handle: software queue handle
4941  * @num_qgrps: Number of added queue groups
4942  * @buf: list of queue groups to be added
4943  * @buf_size: size of buffer for indirect command
4944  * @cd: pointer to command details structure or NULL
4945  *
4946  * This function adds one LAN queue
4947  */
4948 int
ice_ena_vsi_txq(struct ice_port_info * pi,u16 vsi_handle,u8 tc,u16 q_handle,u8 num_qgrps,struct ice_aqc_add_tx_qgrp * buf,u16 buf_size,struct ice_sq_cd * cd)4949 ice_ena_vsi_txq(struct ice_port_info *pi, u16 vsi_handle, u8 tc, u16 q_handle,
4950 		u8 num_qgrps, struct ice_aqc_add_tx_qgrp *buf, u16 buf_size,
4951 		struct ice_sq_cd *cd)
4952 {
4953 	struct ice_aqc_txsched_elem_data node = { 0 };
4954 	struct ice_sched_node *parent;
4955 	struct ice_q_ctx *q_ctx;
4956 	struct ice_hw *hw;
4957 	int status;
4958 
4959 	if (!pi || pi->port_state != ICE_SCHED_PORT_STATE_READY)
4960 		return -EIO;
4961 
4962 	if (num_qgrps > 1 || buf->num_txqs > 1)
4963 		return -ENOSPC;
4964 
4965 	hw = pi->hw;
4966 
4967 	if (!ice_is_vsi_valid(hw, vsi_handle))
4968 		return -EINVAL;
4969 
4970 	mutex_lock(&pi->sched_lock);
4971 
4972 	q_ctx = ice_get_lan_q_ctx(hw, vsi_handle, tc, q_handle);
4973 	if (!q_ctx) {
4974 		ice_debug(hw, ICE_DBG_SCHED, "Enaq: invalid queue handle %d\n",
4975 			  q_handle);
4976 		status = -EINVAL;
4977 		goto ena_txq_exit;
4978 	}
4979 
4980 	/* find a parent node */
4981 	parent = ice_sched_get_free_qparent(pi, vsi_handle, tc,
4982 					    ICE_SCHED_NODE_OWNER_LAN);
4983 	if (!parent) {
4984 		status = -EINVAL;
4985 		goto ena_txq_exit;
4986 	}
4987 
4988 	buf->parent_teid = parent->info.node_teid;
4989 	node.parent_teid = parent->info.node_teid;
4990 	/* Mark that the values in the "generic" section as valid. The default
4991 	 * value in the "generic" section is zero. This means that :
4992 	 * - Scheduling mode is Bytes Per Second (BPS), indicated by Bit 0.
4993 	 * - 0 priority among siblings, indicated by Bit 1-3.
4994 	 * - WFQ, indicated by Bit 4.
4995 	 * - 0 Adjustment value is used in PSM credit update flow, indicated by
4996 	 * Bit 5-6.
4997 	 * - Bit 7 is reserved.
4998 	 * Without setting the generic section as valid in valid_sections, the
4999 	 * Admin queue command will fail with error code ICE_AQ_RC_EINVAL.
5000 	 */
5001 	buf->txqs[0].info.valid_sections =
5002 		ICE_AQC_ELEM_VALID_GENERIC | ICE_AQC_ELEM_VALID_CIR |
5003 		ICE_AQC_ELEM_VALID_EIR;
5004 	buf->txqs[0].info.generic = 0;
5005 	buf->txqs[0].info.cir_bw.bw_profile_idx =
5006 		cpu_to_le16(ICE_SCHED_DFLT_RL_PROF_ID);
5007 	buf->txqs[0].info.cir_bw.bw_alloc =
5008 		cpu_to_le16(ICE_SCHED_DFLT_BW_WT);
5009 	buf->txqs[0].info.eir_bw.bw_profile_idx =
5010 		cpu_to_le16(ICE_SCHED_DFLT_RL_PROF_ID);
5011 	buf->txqs[0].info.eir_bw.bw_alloc =
5012 		cpu_to_le16(ICE_SCHED_DFLT_BW_WT);
5013 
5014 	/* add the LAN queue */
5015 	status = ice_aq_add_lan_txq(hw, num_qgrps, buf, buf_size, cd);
5016 	if (status) {
5017 		ice_debug(hw, ICE_DBG_SCHED, "enable queue %d failed %d\n",
5018 			  le16_to_cpu(buf->txqs[0].txq_id),
5019 			  hw->adminq.sq_last_status);
5020 		goto ena_txq_exit;
5021 	}
5022 
5023 	node.node_teid = buf->txqs[0].q_teid;
5024 	node.data.elem_type = ICE_AQC_ELEM_TYPE_LEAF;
5025 	q_ctx->q_handle = q_handle;
5026 	q_ctx->q_teid = le32_to_cpu(node.node_teid);
5027 
5028 	/* add a leaf node into scheduler tree queue layer */
5029 	status = ice_sched_add_node(pi, hw->num_tx_sched_layers - 1, &node, NULL);
5030 	if (!status)
5031 		status = ice_sched_replay_q_bw(pi, q_ctx);
5032 
5033 ena_txq_exit:
5034 	mutex_unlock(&pi->sched_lock);
5035 	return status;
5036 }
5037 
5038 /**
5039  * ice_dis_vsi_txq
5040  * @pi: port information structure
5041  * @vsi_handle: software VSI handle
5042  * @tc: TC number
5043  * @num_queues: number of queues
5044  * @q_handles: pointer to software queue handle array
5045  * @q_ids: pointer to the q_id array
5046  * @q_teids: pointer to queue node teids
5047  * @rst_src: if called due to reset, specifies the reset source
5048  * @vmvf_num: the relative VM or VF number that is undergoing the reset
5049  * @cd: pointer to command details structure or NULL
5050  *
5051  * This function removes queues and their corresponding nodes in SW DB
5052  */
5053 int
ice_dis_vsi_txq(struct ice_port_info * pi,u16 vsi_handle,u8 tc,u8 num_queues,u16 * q_handles,u16 * q_ids,u32 * q_teids,enum ice_disq_rst_src rst_src,u16 vmvf_num,struct ice_sq_cd * cd)5054 ice_dis_vsi_txq(struct ice_port_info *pi, u16 vsi_handle, u8 tc, u8 num_queues,
5055 		u16 *q_handles, u16 *q_ids, u32 *q_teids,
5056 		enum ice_disq_rst_src rst_src, u16 vmvf_num,
5057 		struct ice_sq_cd *cd)
5058 {
5059 	DEFINE_RAW_FLEX(struct ice_aqc_dis_txq_item, qg_list, q_id, 1);
5060 	u16 i, buf_size = __struct_size(qg_list);
5061 	struct ice_q_ctx *q_ctx;
5062 	int status = -ENOENT;
5063 	struct ice_hw *hw;
5064 
5065 	if (!pi || pi->port_state != ICE_SCHED_PORT_STATE_READY)
5066 		return -EIO;
5067 
5068 	hw = pi->hw;
5069 
5070 	if (!num_queues) {
5071 		/* if queue is disabled already yet the disable queue command
5072 		 * has to be sent to complete the VF reset, then call
5073 		 * ice_aq_dis_lan_txq without any queue information
5074 		 */
5075 		if (rst_src)
5076 			return ice_aq_dis_lan_txq(hw, 0, NULL, 0, rst_src,
5077 						  vmvf_num, NULL);
5078 		return -EIO;
5079 	}
5080 
5081 	mutex_lock(&pi->sched_lock);
5082 
5083 	for (i = 0; i < num_queues; i++) {
5084 		struct ice_sched_node *node;
5085 
5086 		node = ice_sched_find_node_by_teid(pi->root, q_teids[i]);
5087 		if (!node)
5088 			continue;
5089 		q_ctx = ice_get_lan_q_ctx(hw, vsi_handle, tc, q_handles[i]);
5090 		if (!q_ctx) {
5091 			ice_debug(hw, ICE_DBG_SCHED, "invalid queue handle%d\n",
5092 				  q_handles[i]);
5093 			continue;
5094 		}
5095 		if (q_ctx->q_handle != q_handles[i]) {
5096 			ice_debug(hw, ICE_DBG_SCHED, "Err:handles %d %d\n",
5097 				  q_ctx->q_handle, q_handles[i]);
5098 			continue;
5099 		}
5100 		qg_list->parent_teid = node->info.parent_teid;
5101 		qg_list->num_qs = 1;
5102 		qg_list->q_id[0] = cpu_to_le16(q_ids[i]);
5103 		status = ice_aq_dis_lan_txq(hw, 1, qg_list, buf_size, rst_src,
5104 					    vmvf_num, cd);
5105 
5106 		if (status)
5107 			break;
5108 		ice_free_sched_node(pi, node);
5109 		q_ctx->q_handle = ICE_INVAL_Q_HANDLE;
5110 		q_ctx->q_teid = ICE_INVAL_TEID;
5111 	}
5112 	mutex_unlock(&pi->sched_lock);
5113 	return status;
5114 }
5115 
5116 /**
5117  * ice_cfg_vsi_qs - configure the new/existing VSI queues
5118  * @pi: port information structure
5119  * @vsi_handle: software VSI handle
5120  * @tc_bitmap: TC bitmap
5121  * @maxqs: max queues array per TC
5122  * @owner: LAN or RDMA
5123  *
5124  * This function adds/updates the VSI queues per TC.
5125  */
5126 static int
ice_cfg_vsi_qs(struct ice_port_info * pi,u16 vsi_handle,u8 tc_bitmap,u16 * maxqs,u8 owner)5127 ice_cfg_vsi_qs(struct ice_port_info *pi, u16 vsi_handle, u8 tc_bitmap,
5128 	       u16 *maxqs, u8 owner)
5129 {
5130 	int status = 0;
5131 	u8 i;
5132 
5133 	if (!pi || pi->port_state != ICE_SCHED_PORT_STATE_READY)
5134 		return -EIO;
5135 
5136 	if (!ice_is_vsi_valid(pi->hw, vsi_handle))
5137 		return -EINVAL;
5138 
5139 	mutex_lock(&pi->sched_lock);
5140 
5141 	ice_for_each_traffic_class(i) {
5142 		/* configuration is possible only if TC node is present */
5143 		if (!ice_sched_get_tc_node(pi, i))
5144 			continue;
5145 
5146 		status = ice_sched_cfg_vsi(pi, vsi_handle, i, maxqs[i], owner,
5147 					   ice_is_tc_ena(tc_bitmap, i));
5148 		if (status)
5149 			break;
5150 	}
5151 
5152 	mutex_unlock(&pi->sched_lock);
5153 	return status;
5154 }
5155 
5156 /**
5157  * ice_cfg_vsi_lan - configure VSI LAN queues
5158  * @pi: port information structure
5159  * @vsi_handle: software VSI handle
5160  * @tc_bitmap: TC bitmap
5161  * @max_lanqs: max LAN queues array per TC
5162  *
5163  * This function adds/updates the VSI LAN queues per TC.
5164  */
5165 int
ice_cfg_vsi_lan(struct ice_port_info * pi,u16 vsi_handle,u8 tc_bitmap,u16 * max_lanqs)5166 ice_cfg_vsi_lan(struct ice_port_info *pi, u16 vsi_handle, u8 tc_bitmap,
5167 		u16 *max_lanqs)
5168 {
5169 	return ice_cfg_vsi_qs(pi, vsi_handle, tc_bitmap, max_lanqs,
5170 			      ICE_SCHED_NODE_OWNER_LAN);
5171 }
5172 
5173 /**
5174  * ice_cfg_vsi_rdma - configure the VSI RDMA queues
5175  * @pi: port information structure
5176  * @vsi_handle: software VSI handle
5177  * @tc_bitmap: TC bitmap
5178  * @max_rdmaqs: max RDMA queues array per TC
5179  *
5180  * This function adds/updates the VSI RDMA queues per TC.
5181  */
5182 int
ice_cfg_vsi_rdma(struct ice_port_info * pi,u16 vsi_handle,u16 tc_bitmap,u16 * max_rdmaqs)5183 ice_cfg_vsi_rdma(struct ice_port_info *pi, u16 vsi_handle, u16 tc_bitmap,
5184 		 u16 *max_rdmaqs)
5185 {
5186 	return ice_cfg_vsi_qs(pi, vsi_handle, tc_bitmap, max_rdmaqs,
5187 			      ICE_SCHED_NODE_OWNER_RDMA);
5188 }
5189 
5190 /**
5191  * ice_ena_vsi_rdma_qset
5192  * @pi: port information structure
5193  * @vsi_handle: software VSI handle
5194  * @tc: TC number
5195  * @rdma_qset: pointer to RDMA Qset
5196  * @num_qsets: number of RDMA Qsets
5197  * @qset_teid: pointer to Qset node TEIDs
5198  *
5199  * This function adds RDMA Qset
5200  */
5201 int
ice_ena_vsi_rdma_qset(struct ice_port_info * pi,u16 vsi_handle,u8 tc,u16 * rdma_qset,u16 num_qsets,u32 * qset_teid)5202 ice_ena_vsi_rdma_qset(struct ice_port_info *pi, u16 vsi_handle, u8 tc,
5203 		      u16 *rdma_qset, u16 num_qsets, u32 *qset_teid)
5204 {
5205 	struct ice_aqc_txsched_elem_data node = { 0 };
5206 	struct ice_aqc_add_rdma_qset_data *buf;
5207 	struct ice_sched_node *parent;
5208 	struct ice_hw *hw;
5209 	u16 i, buf_size;
5210 	int ret;
5211 
5212 	if (!pi || pi->port_state != ICE_SCHED_PORT_STATE_READY)
5213 		return -EIO;
5214 	hw = pi->hw;
5215 
5216 	if (!ice_is_vsi_valid(hw, vsi_handle))
5217 		return -EINVAL;
5218 
5219 	buf_size = struct_size(buf, rdma_qsets, num_qsets);
5220 	buf = kzalloc(buf_size, GFP_KERNEL);
5221 	if (!buf)
5222 		return -ENOMEM;
5223 	mutex_lock(&pi->sched_lock);
5224 
5225 	parent = ice_sched_get_free_qparent(pi, vsi_handle, tc,
5226 					    ICE_SCHED_NODE_OWNER_RDMA);
5227 	if (!parent) {
5228 		ret = -EINVAL;
5229 		goto rdma_error_exit;
5230 	}
5231 	buf->parent_teid = parent->info.node_teid;
5232 	node.parent_teid = parent->info.node_teid;
5233 
5234 	buf->num_qsets = cpu_to_le16(num_qsets);
5235 	for (i = 0; i < num_qsets; i++) {
5236 		buf->rdma_qsets[i].tx_qset_id = cpu_to_le16(rdma_qset[i]);
5237 		buf->rdma_qsets[i].info.valid_sections =
5238 			ICE_AQC_ELEM_VALID_GENERIC | ICE_AQC_ELEM_VALID_CIR |
5239 			ICE_AQC_ELEM_VALID_EIR;
5240 		buf->rdma_qsets[i].info.generic = 0;
5241 		buf->rdma_qsets[i].info.cir_bw.bw_profile_idx =
5242 			cpu_to_le16(ICE_SCHED_DFLT_RL_PROF_ID);
5243 		buf->rdma_qsets[i].info.cir_bw.bw_alloc =
5244 			cpu_to_le16(ICE_SCHED_DFLT_BW_WT);
5245 		buf->rdma_qsets[i].info.eir_bw.bw_profile_idx =
5246 			cpu_to_le16(ICE_SCHED_DFLT_RL_PROF_ID);
5247 		buf->rdma_qsets[i].info.eir_bw.bw_alloc =
5248 			cpu_to_le16(ICE_SCHED_DFLT_BW_WT);
5249 	}
5250 	ret = ice_aq_add_rdma_qsets(hw, 1, buf, buf_size, NULL);
5251 	if (ret) {
5252 		ice_debug(hw, ICE_DBG_RDMA, "add RDMA qset failed\n");
5253 		goto rdma_error_exit;
5254 	}
5255 	node.data.elem_type = ICE_AQC_ELEM_TYPE_LEAF;
5256 	for (i = 0; i < num_qsets; i++) {
5257 		node.node_teid = buf->rdma_qsets[i].qset_teid;
5258 		ret = ice_sched_add_node(pi, hw->num_tx_sched_layers - 1,
5259 					 &node, NULL);
5260 		if (ret)
5261 			break;
5262 		qset_teid[i] = le32_to_cpu(node.node_teid);
5263 	}
5264 rdma_error_exit:
5265 	mutex_unlock(&pi->sched_lock);
5266 	kfree(buf);
5267 	return ret;
5268 }
5269 
5270 /**
5271  * ice_dis_vsi_rdma_qset - free RDMA resources
5272  * @pi: port_info struct
5273  * @count: number of RDMA Qsets to free
5274  * @qset_teid: TEID of Qset node
5275  * @q_id: list of queue IDs being disabled
5276  */
5277 int
ice_dis_vsi_rdma_qset(struct ice_port_info * pi,u16 count,u32 * qset_teid,u16 * q_id)5278 ice_dis_vsi_rdma_qset(struct ice_port_info *pi, u16 count, u32 *qset_teid,
5279 		      u16 *q_id)
5280 {
5281 	DEFINE_RAW_FLEX(struct ice_aqc_dis_txq_item, qg_list, q_id, 1);
5282 	u16 qg_size = __struct_size(qg_list);
5283 	struct ice_hw *hw;
5284 	int status = 0;
5285 	int i;
5286 
5287 	if (!pi || pi->port_state != ICE_SCHED_PORT_STATE_READY)
5288 		return -EIO;
5289 
5290 	hw = pi->hw;
5291 
5292 	mutex_lock(&pi->sched_lock);
5293 
5294 	for (i = 0; i < count; i++) {
5295 		struct ice_sched_node *node;
5296 
5297 		node = ice_sched_find_node_by_teid(pi->root, qset_teid[i]);
5298 		if (!node)
5299 			continue;
5300 
5301 		qg_list->parent_teid = node->info.parent_teid;
5302 		qg_list->num_qs = 1;
5303 		qg_list->q_id[0] =
5304 			cpu_to_le16(q_id[i] |
5305 				    ICE_AQC_Q_DIS_BUF_ELEM_TYPE_RDMA_QSET);
5306 
5307 		status = ice_aq_dis_lan_txq(hw, 1, qg_list, qg_size,
5308 					    ICE_NO_RESET, 0, NULL);
5309 		if (status)
5310 			break;
5311 
5312 		ice_free_sched_node(pi, node);
5313 	}
5314 
5315 	mutex_unlock(&pi->sched_lock);
5316 	return status;
5317 }
5318 
5319 /**
5320  * ice_aq_get_cgu_input_pin_measure - get input pin signal measurements
5321  * @hw: pointer to the HW struct
5322  * @dpll_idx: index of dpll to be measured
5323  * @meas: array to be filled with results
5324  * @meas_num: max number of results array can hold
5325  *
5326  * Get CGU measurements (0x0C59) of phase and frequency offsets for input
5327  * pins on given dpll.
5328  *
5329  * Return: 0 on success or negative value on failure.
5330  */
ice_aq_get_cgu_input_pin_measure(struct ice_hw * hw,u8 dpll_idx,struct ice_cgu_input_measure * meas,u16 meas_num)5331 int ice_aq_get_cgu_input_pin_measure(struct ice_hw *hw, u8 dpll_idx,
5332 				     struct ice_cgu_input_measure *meas,
5333 				     u16 meas_num)
5334 {
5335 	struct ice_aqc_get_cgu_input_measure *cmd;
5336 	struct libie_aq_desc desc;
5337 
5338 	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_cgu_input_measure);
5339 	cmd = libie_aq_raw(&desc);
5340 	cmd->dpll_idx_opt = dpll_idx & ICE_AQC_GET_CGU_IN_MEAS_DPLL_IDX_M;
5341 
5342 	return ice_aq_send_cmd(hw, &desc, meas, meas_num * sizeof(*meas), NULL);
5343 }
5344 
5345 /**
5346  * ice_aq_get_cgu_abilities - get cgu abilities
5347  * @hw: pointer to the HW struct
5348  * @abilities: CGU abilities
5349  *
5350  * Get CGU abilities (0x0C61)
5351  * Return: 0 on success or negative value on failure.
5352  */
5353 int
ice_aq_get_cgu_abilities(struct ice_hw * hw,struct ice_aqc_get_cgu_abilities * abilities)5354 ice_aq_get_cgu_abilities(struct ice_hw *hw,
5355 			 struct ice_aqc_get_cgu_abilities *abilities)
5356 {
5357 	struct libie_aq_desc desc;
5358 
5359 	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_cgu_abilities);
5360 	return ice_aq_send_cmd(hw, &desc, abilities, sizeof(*abilities), NULL);
5361 }
5362 
5363 /**
5364  * ice_aq_set_input_pin_cfg - set input pin config
5365  * @hw: pointer to the HW struct
5366  * @input_idx: Input index
5367  * @flags1: Input flags
5368  * @flags2: Input flags
5369  * @freq: Frequency in Hz
5370  * @phase_delay: Delay in ps
5371  *
5372  * Set CGU input config (0x0C62)
5373  * Return: 0 on success or negative value on failure.
5374  */
5375 int
ice_aq_set_input_pin_cfg(struct ice_hw * hw,u8 input_idx,u8 flags1,u8 flags2,u32 freq,s32 phase_delay)5376 ice_aq_set_input_pin_cfg(struct ice_hw *hw, u8 input_idx, u8 flags1, u8 flags2,
5377 			 u32 freq, s32 phase_delay)
5378 {
5379 	struct ice_aqc_set_cgu_input_config *cmd;
5380 	struct libie_aq_desc desc;
5381 
5382 	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_cgu_input_config);
5383 	cmd = libie_aq_raw(&desc);
5384 	cmd->input_idx = input_idx;
5385 	cmd->flags1 = flags1;
5386 	cmd->flags2 = flags2;
5387 	cmd->freq = cpu_to_le32(freq);
5388 	cmd->phase_delay = cpu_to_le32(phase_delay);
5389 
5390 	return ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
5391 }
5392 
5393 /**
5394  * ice_aq_get_input_pin_cfg - get input pin config
5395  * @hw: pointer to the HW struct
5396  * @input_idx: Input index
5397  * @status: Pin status
5398  * @type: Pin type
5399  * @flags1: Input flags
5400  * @flags2: Input flags
5401  * @freq: Frequency in Hz
5402  * @phase_delay: Delay in ps
5403  *
5404  * Get CGU input config (0x0C63)
5405  * Return: 0 on success or negative value on failure.
5406  */
5407 int
ice_aq_get_input_pin_cfg(struct ice_hw * hw,u8 input_idx,u8 * status,u8 * type,u8 * flags1,u8 * flags2,u32 * freq,s32 * phase_delay)5408 ice_aq_get_input_pin_cfg(struct ice_hw *hw, u8 input_idx, u8 *status, u8 *type,
5409 			 u8 *flags1, u8 *flags2, u32 *freq, s32 *phase_delay)
5410 {
5411 	struct ice_aqc_get_cgu_input_config *cmd;
5412 	struct libie_aq_desc desc;
5413 	int ret;
5414 
5415 	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_cgu_input_config);
5416 	cmd = libie_aq_raw(&desc);
5417 	cmd->input_idx = input_idx;
5418 
5419 	ret = ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
5420 	if (!ret) {
5421 		if (status)
5422 			*status = cmd->status;
5423 		if (type)
5424 			*type = cmd->type;
5425 		if (flags1)
5426 			*flags1 = cmd->flags1;
5427 		if (flags2)
5428 			*flags2 = cmd->flags2;
5429 		if (freq)
5430 			*freq = le32_to_cpu(cmd->freq);
5431 		if (phase_delay)
5432 			*phase_delay = le32_to_cpu(cmd->phase_delay);
5433 	}
5434 
5435 	return ret;
5436 }
5437 
5438 /**
5439  * ice_aq_set_output_pin_cfg - set output pin config
5440  * @hw: pointer to the HW struct
5441  * @output_idx: Output index
5442  * @flags: Output flags
5443  * @src_sel: Index of DPLL block
5444  * @freq: Output frequency
5445  * @phase_delay: Output phase compensation
5446  *
5447  * Set CGU output config (0x0C64)
5448  * Return: 0 on success or negative value on failure.
5449  */
5450 int
ice_aq_set_output_pin_cfg(struct ice_hw * hw,u8 output_idx,u8 flags,u8 src_sel,u32 freq,s32 phase_delay)5451 ice_aq_set_output_pin_cfg(struct ice_hw *hw, u8 output_idx, u8 flags,
5452 			  u8 src_sel, u32 freq, s32 phase_delay)
5453 {
5454 	struct ice_aqc_set_cgu_output_config *cmd;
5455 	struct libie_aq_desc desc;
5456 
5457 	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_cgu_output_config);
5458 	cmd = libie_aq_raw(&desc);
5459 	cmd->output_idx = output_idx;
5460 	cmd->flags = flags;
5461 	cmd->src_sel = src_sel;
5462 	cmd->freq = cpu_to_le32(freq);
5463 	cmd->phase_delay = cpu_to_le32(phase_delay);
5464 
5465 	return ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
5466 }
5467 
5468 /**
5469  * ice_aq_get_output_pin_cfg - get output pin config
5470  * @hw: pointer to the HW struct
5471  * @output_idx: Output index
5472  * @flags: Output flags
5473  * @src_sel: Internal DPLL source
5474  * @freq: Output frequency
5475  * @src_freq: Source frequency
5476  *
5477  * Get CGU output config (0x0C65)
5478  * Return: 0 on success or negative value on failure.
5479  */
5480 int
ice_aq_get_output_pin_cfg(struct ice_hw * hw,u8 output_idx,u8 * flags,u8 * src_sel,u32 * freq,u32 * src_freq)5481 ice_aq_get_output_pin_cfg(struct ice_hw *hw, u8 output_idx, u8 *flags,
5482 			  u8 *src_sel, u32 *freq, u32 *src_freq)
5483 {
5484 	struct ice_aqc_get_cgu_output_config *cmd;
5485 	struct libie_aq_desc desc;
5486 	int ret;
5487 
5488 	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_cgu_output_config);
5489 	cmd = libie_aq_raw(&desc);
5490 	cmd->output_idx = output_idx;
5491 
5492 	ret = ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
5493 	if (!ret) {
5494 		if (flags)
5495 			*flags = cmd->flags;
5496 		if (src_sel)
5497 			*src_sel = cmd->src_sel;
5498 		if (freq)
5499 			*freq = le32_to_cpu(cmd->freq);
5500 		if (src_freq)
5501 			*src_freq = le32_to_cpu(cmd->src_freq);
5502 	}
5503 
5504 	return ret;
5505 }
5506 
5507 /**
5508  * ice_aq_get_cgu_dpll_status - get dpll status
5509  * @hw: pointer to the HW struct
5510  * @dpll_num: DPLL index
5511  * @ref_state: Reference clock state
5512  * @config: current DPLL config
5513  * @dpll_state: current DPLL state
5514  * @phase_offset: Phase offset in ns
5515  * @eec_mode: EEC_mode
5516  *
5517  * Get CGU DPLL status (0x0C66)
5518  * Return: 0 on success or negative value on failure.
5519  */
5520 int
ice_aq_get_cgu_dpll_status(struct ice_hw * hw,u8 dpll_num,u8 * ref_state,u8 * dpll_state,u8 * config,s64 * phase_offset,u8 * eec_mode)5521 ice_aq_get_cgu_dpll_status(struct ice_hw *hw, u8 dpll_num, u8 *ref_state,
5522 			   u8 *dpll_state, u8 *config, s64 *phase_offset,
5523 			   u8 *eec_mode)
5524 {
5525 	struct ice_aqc_get_cgu_dpll_status *cmd;
5526 	struct libie_aq_desc desc;
5527 	int status;
5528 
5529 	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_cgu_dpll_status);
5530 	cmd = libie_aq_raw(&desc);
5531 	cmd->dpll_num = dpll_num;
5532 
5533 	status = ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
5534 	if (!status) {
5535 		*ref_state = cmd->ref_state;
5536 		*dpll_state = cmd->dpll_state;
5537 		*config = cmd->config;
5538 		*phase_offset = le32_to_cpu(cmd->phase_offset_h);
5539 		*phase_offset <<= 32;
5540 		*phase_offset += le32_to_cpu(cmd->phase_offset_l);
5541 		*phase_offset = sign_extend64(*phase_offset, 47);
5542 		*eec_mode = cmd->eec_mode;
5543 	}
5544 
5545 	return status;
5546 }
5547 
5548 /**
5549  * ice_aq_set_cgu_dpll_config - set dpll config
5550  * @hw: pointer to the HW struct
5551  * @dpll_num: DPLL index
5552  * @ref_state: Reference clock state
5553  * @config: DPLL config
5554  * @eec_mode: EEC mode
5555  *
5556  * Set CGU DPLL config (0x0C67)
5557  * Return: 0 on success or negative value on failure.
5558  */
5559 int
ice_aq_set_cgu_dpll_config(struct ice_hw * hw,u8 dpll_num,u8 ref_state,u8 config,u8 eec_mode)5560 ice_aq_set_cgu_dpll_config(struct ice_hw *hw, u8 dpll_num, u8 ref_state,
5561 			   u8 config, u8 eec_mode)
5562 {
5563 	struct ice_aqc_set_cgu_dpll_config *cmd;
5564 	struct libie_aq_desc desc;
5565 
5566 	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_cgu_dpll_config);
5567 	cmd = libie_aq_raw(&desc);
5568 	cmd->dpll_num = dpll_num;
5569 	cmd->ref_state = ref_state;
5570 	cmd->config = config;
5571 	cmd->eec_mode = eec_mode;
5572 
5573 	return ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
5574 }
5575 
5576 /**
5577  * ice_aq_set_cgu_ref_prio - set input reference priority
5578  * @hw: pointer to the HW struct
5579  * @dpll_num: DPLL index
5580  * @ref_idx: Reference pin index
5581  * @ref_priority: Reference input priority
5582  *
5583  * Set CGU reference priority (0x0C68)
5584  * Return: 0 on success or negative value on failure.
5585  */
5586 int
ice_aq_set_cgu_ref_prio(struct ice_hw * hw,u8 dpll_num,u8 ref_idx,u8 ref_priority)5587 ice_aq_set_cgu_ref_prio(struct ice_hw *hw, u8 dpll_num, u8 ref_idx,
5588 			u8 ref_priority)
5589 {
5590 	struct ice_aqc_set_cgu_ref_prio *cmd;
5591 	struct libie_aq_desc desc;
5592 
5593 	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_cgu_ref_prio);
5594 	cmd = libie_aq_raw(&desc);
5595 	cmd->dpll_num = dpll_num;
5596 	cmd->ref_idx = ref_idx;
5597 	cmd->ref_priority = ref_priority;
5598 
5599 	return ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
5600 }
5601 
5602 /**
5603  * ice_aq_get_cgu_ref_prio - get input reference priority
5604  * @hw: pointer to the HW struct
5605  * @dpll_num: DPLL index
5606  * @ref_idx: Reference pin index
5607  * @ref_prio: Reference input priority
5608  *
5609  * Get CGU reference priority (0x0C69)
5610  * Return: 0 on success or negative value on failure.
5611  */
5612 int
ice_aq_get_cgu_ref_prio(struct ice_hw * hw,u8 dpll_num,u8 ref_idx,u8 * ref_prio)5613 ice_aq_get_cgu_ref_prio(struct ice_hw *hw, u8 dpll_num, u8 ref_idx,
5614 			u8 *ref_prio)
5615 {
5616 	struct ice_aqc_get_cgu_ref_prio *cmd;
5617 	struct libie_aq_desc desc;
5618 	int status;
5619 
5620 	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_cgu_ref_prio);
5621 	cmd = libie_aq_raw(&desc);
5622 	cmd->dpll_num = dpll_num;
5623 	cmd->ref_idx = ref_idx;
5624 
5625 	status = ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
5626 	if (!status)
5627 		*ref_prio = cmd->ref_priority;
5628 
5629 	return status;
5630 }
5631 
5632 /**
5633  * ice_aq_get_cgu_info - get cgu info
5634  * @hw: pointer to the HW struct
5635  * @cgu_id: CGU ID
5636  * @cgu_cfg_ver: CGU config version
5637  * @cgu_fw_ver: CGU firmware version
5638  *
5639  * Get CGU info (0x0C6A)
5640  * Return: 0 on success or negative value on failure.
5641  */
5642 int
ice_aq_get_cgu_info(struct ice_hw * hw,u32 * cgu_id,u32 * cgu_cfg_ver,u32 * cgu_fw_ver)5643 ice_aq_get_cgu_info(struct ice_hw *hw, u32 *cgu_id, u32 *cgu_cfg_ver,
5644 		    u32 *cgu_fw_ver)
5645 {
5646 	struct ice_aqc_get_cgu_info *cmd;
5647 	struct libie_aq_desc desc;
5648 	int status;
5649 
5650 	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_cgu_info);
5651 	cmd = libie_aq_raw(&desc);
5652 
5653 	status = ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
5654 	if (!status) {
5655 		*cgu_id = le32_to_cpu(cmd->cgu_id);
5656 		*cgu_cfg_ver = le32_to_cpu(cmd->cgu_cfg_ver);
5657 		*cgu_fw_ver = le32_to_cpu(cmd->cgu_fw_ver);
5658 	}
5659 
5660 	return status;
5661 }
5662 
5663 /**
5664  * ice_aq_set_phy_rec_clk_out - set RCLK phy out
5665  * @hw: pointer to the HW struct
5666  * @phy_output: PHY reference clock output pin
5667  * @enable: GPIO state to be applied
5668  * @freq: PHY output frequency
5669  *
5670  * Set phy recovered clock as reference (0x0630)
5671  * Return: 0 on success or negative value on failure.
5672  */
5673 int
ice_aq_set_phy_rec_clk_out(struct ice_hw * hw,u8 phy_output,bool enable,u32 * freq)5674 ice_aq_set_phy_rec_clk_out(struct ice_hw *hw, u8 phy_output, bool enable,
5675 			   u32 *freq)
5676 {
5677 	struct ice_aqc_set_phy_rec_clk_out *cmd;
5678 	struct libie_aq_desc desc;
5679 	int status;
5680 
5681 	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_phy_rec_clk_out);
5682 	cmd = libie_aq_raw(&desc);
5683 	cmd->phy_output = phy_output;
5684 	cmd->port_num = ICE_AQC_SET_PHY_REC_CLK_OUT_CURR_PORT;
5685 	cmd->flags = enable & ICE_AQC_SET_PHY_REC_CLK_OUT_OUT_EN;
5686 	cmd->freq = cpu_to_le32(*freq);
5687 
5688 	status = ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
5689 	if (!status)
5690 		*freq = le32_to_cpu(cmd->freq);
5691 
5692 	return status;
5693 }
5694 
5695 /**
5696  * ice_aq_get_phy_rec_clk_out - get phy recovered signal info
5697  * @hw: pointer to the HW struct
5698  * @phy_output: PHY reference clock output pin
5699  * @port_num: Port number
5700  * @flags: PHY flags
5701  * @node_handle: PHY output frequency
5702  *
5703  * Get PHY recovered clock output info (0x0631)
5704  * Return: 0 on success or negative value on failure.
5705  */
5706 int
ice_aq_get_phy_rec_clk_out(struct ice_hw * hw,u8 * phy_output,u8 * port_num,u8 * flags,u16 * node_handle)5707 ice_aq_get_phy_rec_clk_out(struct ice_hw *hw, u8 *phy_output, u8 *port_num,
5708 			   u8 *flags, u16 *node_handle)
5709 {
5710 	struct ice_aqc_get_phy_rec_clk_out *cmd;
5711 	struct libie_aq_desc desc;
5712 	int status;
5713 
5714 	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_phy_rec_clk_out);
5715 	cmd = libie_aq_raw(&desc);
5716 	cmd->phy_output = *phy_output;
5717 
5718 	status = ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
5719 	if (!status) {
5720 		*phy_output = cmd->phy_output;
5721 		if (port_num)
5722 			*port_num = cmd->port_num;
5723 		if (flags)
5724 			*flags = cmd->flags;
5725 		if (node_handle)
5726 			*node_handle = le16_to_cpu(cmd->node_handle);
5727 	}
5728 
5729 	return status;
5730 }
5731 
5732 /**
5733  * ice_aq_get_sensor_reading
5734  * @hw: pointer to the HW struct
5735  * @data: pointer to data to be read from the sensor
5736  *
5737  * Get sensor reading (0x0632)
5738  */
ice_aq_get_sensor_reading(struct ice_hw * hw,struct ice_aqc_get_sensor_reading_resp * data)5739 int ice_aq_get_sensor_reading(struct ice_hw *hw,
5740 			      struct ice_aqc_get_sensor_reading_resp *data)
5741 {
5742 	struct ice_aqc_get_sensor_reading *cmd;
5743 	struct libie_aq_desc desc;
5744 	int status;
5745 
5746 	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_sensor_reading);
5747 	cmd = libie_aq_raw(&desc);
5748 #define ICE_INTERNAL_TEMP_SENSOR_FORMAT	0
5749 #define ICE_INTERNAL_TEMP_SENSOR	0
5750 	cmd->sensor = ICE_INTERNAL_TEMP_SENSOR;
5751 	cmd->format = ICE_INTERNAL_TEMP_SENSOR_FORMAT;
5752 
5753 	status = ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
5754 	if (!status)
5755 		memcpy(data, &desc.params.raw,
5756 		       sizeof(*data));
5757 
5758 	return status;
5759 }
5760 
5761 /**
5762  * ice_replay_pre_init - replay pre initialization
5763  * @hw: pointer to the HW struct
5764  *
5765  * Initializes required config data for VSI, FD, ACL, and RSS before replay.
5766  */
ice_replay_pre_init(struct ice_hw * hw)5767 static int ice_replay_pre_init(struct ice_hw *hw)
5768 {
5769 	struct ice_switch_info *sw = hw->switch_info;
5770 	u8 i;
5771 
5772 	/* Delete old entries from replay filter list head if there is any */
5773 	ice_rm_all_sw_replay_rule_info(hw);
5774 	/* In start of replay, move entries into replay_rules list, it
5775 	 * will allow adding rules entries back to filt_rules list,
5776 	 * which is operational list.
5777 	 */
5778 	for (i = 0; i < ICE_MAX_NUM_RECIPES; i++)
5779 		list_replace_init(&sw->recp_list[i].filt_rules,
5780 				  &sw->recp_list[i].filt_replay_rules);
5781 	ice_sched_replay_agg_vsi_preinit(hw);
5782 
5783 	return 0;
5784 }
5785 
5786 /**
5787  * ice_replay_vsi - replay VSI configuration
5788  * @hw: pointer to the HW struct
5789  * @vsi_handle: driver VSI handle
5790  *
5791  * Restore all VSI configuration after reset. It is required to call this
5792  * function with main VSI first.
5793  */
ice_replay_vsi(struct ice_hw * hw,u16 vsi_handle)5794 int ice_replay_vsi(struct ice_hw *hw, u16 vsi_handle)
5795 {
5796 	int status;
5797 
5798 	if (!ice_is_vsi_valid(hw, vsi_handle))
5799 		return -EINVAL;
5800 
5801 	/* Replay pre-initialization if there is any */
5802 	if (vsi_handle == ICE_MAIN_VSI_HANDLE) {
5803 		status = ice_replay_pre_init(hw);
5804 		if (status)
5805 			return status;
5806 	}
5807 	/* Replay per VSI all RSS configurations */
5808 	status = ice_replay_rss_cfg(hw, vsi_handle);
5809 	if (status)
5810 		return status;
5811 	/* Replay per VSI all filters */
5812 	status = ice_replay_vsi_all_fltr(hw, vsi_handle);
5813 	if (!status)
5814 		status = ice_replay_vsi_agg(hw, vsi_handle);
5815 	return status;
5816 }
5817 
5818 /**
5819  * ice_replay_post - post replay configuration cleanup
5820  * @hw: pointer to the HW struct
5821  *
5822  * Post replay cleanup.
5823  */
ice_replay_post(struct ice_hw * hw)5824 void ice_replay_post(struct ice_hw *hw)
5825 {
5826 	/* Delete old entries from replay filter list head */
5827 	ice_rm_all_sw_replay_rule_info(hw);
5828 	ice_sched_replay_agg(hw);
5829 }
5830 
5831 /**
5832  * ice_stat_update40 - read 40 bit stat from the chip and update stat values
5833  * @hw: ptr to the hardware info
5834  * @reg: offset of 64 bit HW register to read from
5835  * @prev_stat_loaded: bool to specify if previous stats are loaded
5836  * @prev_stat: ptr to previous loaded stat value
5837  * @cur_stat: ptr to current stat value
5838  */
5839 void
ice_stat_update40(struct ice_hw * hw,u32 reg,bool prev_stat_loaded,u64 * prev_stat,u64 * cur_stat)5840 ice_stat_update40(struct ice_hw *hw, u32 reg, bool prev_stat_loaded,
5841 		  u64 *prev_stat, u64 *cur_stat)
5842 {
5843 	u64 new_data = rd64(hw, reg) & (BIT_ULL(40) - 1);
5844 
5845 	/* device stats are not reset at PFR, they likely will not be zeroed
5846 	 * when the driver starts. Thus, save the value from the first read
5847 	 * without adding to the statistic value so that we report stats which
5848 	 * count up from zero.
5849 	 */
5850 	if (!prev_stat_loaded) {
5851 		*prev_stat = new_data;
5852 		return;
5853 	}
5854 
5855 	/* Calculate the difference between the new and old values, and then
5856 	 * add it to the software stat value.
5857 	 */
5858 	if (new_data >= *prev_stat)
5859 		*cur_stat += new_data - *prev_stat;
5860 	else
5861 		/* to manage the potential roll-over */
5862 		*cur_stat += (new_data + BIT_ULL(40)) - *prev_stat;
5863 
5864 	/* Update the previously stored value to prepare for next read */
5865 	*prev_stat = new_data;
5866 }
5867 
5868 /**
5869  * ice_stat_update32 - read 32 bit stat from the chip and update stat values
5870  * @hw: ptr to the hardware info
5871  * @reg: offset of HW register to read from
5872  * @prev_stat_loaded: bool to specify if previous stats are loaded
5873  * @prev_stat: ptr to previous loaded stat value
5874  * @cur_stat: ptr to current stat value
5875  */
5876 void
ice_stat_update32(struct ice_hw * hw,u32 reg,bool prev_stat_loaded,u64 * prev_stat,u64 * cur_stat)5877 ice_stat_update32(struct ice_hw *hw, u32 reg, bool prev_stat_loaded,
5878 		  u64 *prev_stat, u64 *cur_stat)
5879 {
5880 	u32 new_data;
5881 
5882 	new_data = rd32(hw, reg);
5883 
5884 	/* device stats are not reset at PFR, they likely will not be zeroed
5885 	 * when the driver starts. Thus, save the value from the first read
5886 	 * without adding to the statistic value so that we report stats which
5887 	 * count up from zero.
5888 	 */
5889 	if (!prev_stat_loaded) {
5890 		*prev_stat = new_data;
5891 		return;
5892 	}
5893 
5894 	/* Calculate the difference between the new and old values, and then
5895 	 * add it to the software stat value.
5896 	 */
5897 	if (new_data >= *prev_stat)
5898 		*cur_stat += new_data - *prev_stat;
5899 	else
5900 		/* to manage the potential roll-over */
5901 		*cur_stat += (new_data + BIT_ULL(32)) - *prev_stat;
5902 
5903 	/* Update the previously stored value to prepare for next read */
5904 	*prev_stat = new_data;
5905 }
5906 
5907 /**
5908  * ice_sched_query_elem - query element information from HW
5909  * @hw: pointer to the HW struct
5910  * @node_teid: node TEID to be queried
5911  * @buf: buffer to element information
5912  *
5913  * This function queries HW element information
5914  */
5915 int
ice_sched_query_elem(struct ice_hw * hw,u32 node_teid,struct ice_aqc_txsched_elem_data * buf)5916 ice_sched_query_elem(struct ice_hw *hw, u32 node_teid,
5917 		     struct ice_aqc_txsched_elem_data *buf)
5918 {
5919 	u16 buf_size, num_elem_ret = 0;
5920 	int status;
5921 
5922 	buf_size = sizeof(*buf);
5923 	memset(buf, 0, buf_size);
5924 	buf->node_teid = cpu_to_le32(node_teid);
5925 	status = ice_aq_query_sched_elems(hw, 1, buf, buf_size, &num_elem_ret,
5926 					  NULL);
5927 	if (status || num_elem_ret != 1)
5928 		ice_debug(hw, ICE_DBG_SCHED, "query element failed\n");
5929 	return status;
5930 }
5931 
5932 /**
5933  * ice_aq_read_i2c
5934  * @hw: pointer to the hw struct
5935  * @topo_addr: topology address for a device to communicate with
5936  * @bus_addr: 7-bit I2C bus address
5937  * @addr: I2C memory address (I2C offset) with up to 16 bits
5938  * @params: I2C parameters: bit [7] - Repeated start,
5939  *			    bits [6:5] data offset size,
5940  *			    bit [4] - I2C address type,
5941  *			    bits [3:0] - data size to read (0-16 bytes)
5942  * @data: pointer to data (0 to 16 bytes) to be read from the I2C device
5943  * @cd: pointer to command details structure or NULL
5944  *
5945  * Read I2C (0x06E2)
5946  */
5947 int
ice_aq_read_i2c(struct ice_hw * hw,struct ice_aqc_link_topo_addr topo_addr,u16 bus_addr,__le16 addr,u8 params,u8 * data,struct ice_sq_cd * cd)5948 ice_aq_read_i2c(struct ice_hw *hw, struct ice_aqc_link_topo_addr topo_addr,
5949 		u16 bus_addr, __le16 addr, u8 params, u8 *data,
5950 		struct ice_sq_cd *cd)
5951 {
5952 	struct libie_aq_desc desc = { 0 };
5953 	struct ice_aqc_i2c *cmd;
5954 	u8 data_size;
5955 	int status;
5956 
5957 	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_read_i2c);
5958 	cmd = libie_aq_raw(&desc);
5959 
5960 	if (!data)
5961 		return -EINVAL;
5962 
5963 	data_size = FIELD_GET(ICE_AQC_I2C_DATA_SIZE_M, params);
5964 
5965 	cmd->i2c_bus_addr = cpu_to_le16(bus_addr);
5966 	cmd->topo_addr = topo_addr;
5967 	cmd->i2c_params = params;
5968 	cmd->i2c_addr = addr;
5969 
5970 	status = ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
5971 	if (!status) {
5972 		struct ice_aqc_read_i2c_resp *resp;
5973 		u8 i;
5974 
5975 		resp = libie_aq_raw(&desc);
5976 		for (i = 0; i < data_size; i++) {
5977 			*data = resp->i2c_data[i];
5978 			data++;
5979 		}
5980 	}
5981 
5982 	return status;
5983 }
5984 
5985 /**
5986  * ice_aq_write_i2c
5987  * @hw: pointer to the hw struct
5988  * @topo_addr: topology address for a device to communicate with
5989  * @bus_addr: 7-bit I2C bus address
5990  * @addr: I2C memory address (I2C offset) with up to 16 bits
5991  * @params: I2C parameters: bit [4] - I2C address type, bits [3:0] - data size to write (0-7 bytes)
5992  * @data: pointer to data (0 to 4 bytes) to be written to the I2C device
5993  * @cd: pointer to command details structure or NULL
5994  *
5995  * Write I2C (0x06E3)
5996  *
5997  * * Return:
5998  * * 0             - Successful write to the i2c device
5999  * * -EINVAL       - Data size greater than 4 bytes
6000  * * -EIO          - FW error
6001  */
6002 int
ice_aq_write_i2c(struct ice_hw * hw,struct ice_aqc_link_topo_addr topo_addr,u16 bus_addr,__le16 addr,u8 params,const u8 * data,struct ice_sq_cd * cd)6003 ice_aq_write_i2c(struct ice_hw *hw, struct ice_aqc_link_topo_addr topo_addr,
6004 		 u16 bus_addr, __le16 addr, u8 params, const u8 *data,
6005 		 struct ice_sq_cd *cd)
6006 {
6007 	struct libie_aq_desc desc = { 0 };
6008 	struct ice_aqc_i2c *cmd;
6009 	u8 data_size;
6010 
6011 	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_write_i2c);
6012 	cmd = libie_aq_raw(&desc);
6013 
6014 	data_size = FIELD_GET(ICE_AQC_I2C_DATA_SIZE_M, params);
6015 
6016 	/* data_size limited to 4 */
6017 	if (data_size > 4)
6018 		return -EINVAL;
6019 
6020 	cmd->i2c_bus_addr = cpu_to_le16(bus_addr);
6021 	cmd->topo_addr = topo_addr;
6022 	cmd->i2c_params = params;
6023 	cmd->i2c_addr = addr;
6024 
6025 	memcpy(cmd->i2c_data, data, data_size);
6026 
6027 	return ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
6028 }
6029 
6030 /**
6031  * ice_get_pca9575_handle - find and return the PCA9575 controller
6032  * @hw: pointer to the hw struct
6033  * @pca9575_handle: GPIO controller's handle
6034  *
6035  * Find and return the GPIO controller's handle in the netlist.
6036  * When found - the value will be cached in the hw structure and following calls
6037  * will return cached value.
6038  *
6039  * Return: 0 on success, -ENXIO when there's no PCA9575 present.
6040  */
ice_get_pca9575_handle(struct ice_hw * hw,u16 * pca9575_handle)6041 int ice_get_pca9575_handle(struct ice_hw *hw, u16 *pca9575_handle)
6042 {
6043 	struct ice_aqc_get_link_topo *cmd;
6044 	struct libie_aq_desc desc;
6045 	int err;
6046 	u8 idx;
6047 
6048 	/* If handle was read previously return cached value */
6049 	if (hw->io_expander_handle) {
6050 		*pca9575_handle = hw->io_expander_handle;
6051 		return 0;
6052 	}
6053 
6054 #define SW_PCA9575_SFP_TOPO_IDX		2
6055 #define SW_PCA9575_QSFP_TOPO_IDX	1
6056 
6057 	/* Check if the SW IO expander controlling SMA exists in the netlist. */
6058 	if (hw->device_id == ICE_DEV_ID_E810C_SFP)
6059 		idx = SW_PCA9575_SFP_TOPO_IDX;
6060 	else if (hw->device_id == ICE_DEV_ID_E810C_QSFP)
6061 		idx = SW_PCA9575_QSFP_TOPO_IDX;
6062 	else
6063 		return -ENXIO;
6064 
6065 	/* If handle was not detected read it from the netlist */
6066 	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_link_topo);
6067 	cmd = libie_aq_raw(&desc);
6068 	cmd->addr.topo_params.node_type_ctx =
6069 		ICE_AQC_LINK_TOPO_NODE_TYPE_GPIO_CTRL;
6070 	cmd->addr.topo_params.index = idx;
6071 
6072 	err = ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
6073 	if (err)
6074 		return -ENXIO;
6075 
6076 	/* Verify if we found the right IO expander type */
6077 	if (cmd->node_part_num != ICE_AQC_GET_LINK_TOPO_NODE_NR_PCA9575)
6078 		return -ENXIO;
6079 
6080 	/* If present save the handle and return it */
6081 	hw->io_expander_handle =
6082 		le16_to_cpu(cmd->addr.handle);
6083 	*pca9575_handle = hw->io_expander_handle;
6084 
6085 	return 0;
6086 }
6087 
6088 /**
6089  * ice_read_pca9575_reg - read the register from the PCA9575 controller
6090  * @hw: pointer to the hw struct
6091  * @offset: GPIO controller register offset
6092  * @data: pointer to data to be read from the GPIO controller
6093  *
6094  * Return: 0 on success, negative error code otherwise.
6095  */
ice_read_pca9575_reg(struct ice_hw * hw,u8 offset,u8 * data)6096 int ice_read_pca9575_reg(struct ice_hw *hw, u8 offset, u8 *data)
6097 {
6098 	struct ice_aqc_link_topo_addr link_topo;
6099 	__le16 addr;
6100 	u16 handle;
6101 	int err;
6102 
6103 	memset(&link_topo, 0, sizeof(link_topo));
6104 
6105 	err = ice_get_pca9575_handle(hw, &handle);
6106 	if (err)
6107 		return err;
6108 
6109 	link_topo.handle = cpu_to_le16(handle);
6110 	link_topo.topo_params.node_type_ctx =
6111 		FIELD_PREP(ICE_AQC_LINK_TOPO_NODE_CTX_M,
6112 			   ICE_AQC_LINK_TOPO_NODE_CTX_PROVIDED);
6113 
6114 	addr = cpu_to_le16((u16)offset);
6115 
6116 	return ice_aq_read_i2c(hw, link_topo, 0, addr, 1, data, NULL);
6117 }
6118 
6119 /**
6120  * ice_aq_set_gpio
6121  * @hw: pointer to the hw struct
6122  * @gpio_ctrl_handle: GPIO controller node handle
6123  * @pin_idx: IO Number of the GPIO that needs to be set
6124  * @value: SW provide IO value to set in the LSB
6125  * @cd: pointer to command details structure or NULL
6126  *
6127  * Sends 0x06EC AQ command to set the GPIO pin state that's part of the topology
6128  */
6129 int
ice_aq_set_gpio(struct ice_hw * hw,u16 gpio_ctrl_handle,u8 pin_idx,bool value,struct ice_sq_cd * cd)6130 ice_aq_set_gpio(struct ice_hw *hw, u16 gpio_ctrl_handle, u8 pin_idx, bool value,
6131 		struct ice_sq_cd *cd)
6132 {
6133 	struct libie_aq_desc desc;
6134 	struct ice_aqc_gpio *cmd;
6135 
6136 	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_gpio);
6137 	cmd = libie_aq_raw(&desc);
6138 	cmd->gpio_ctrl_handle = cpu_to_le16(gpio_ctrl_handle);
6139 	cmd->gpio_num = pin_idx;
6140 	cmd->gpio_val = value ? 1 : 0;
6141 
6142 	return ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
6143 }
6144 
6145 /**
6146  * ice_aq_get_gpio
6147  * @hw: pointer to the hw struct
6148  * @gpio_ctrl_handle: GPIO controller node handle
6149  * @pin_idx: IO Number of the GPIO that needs to be set
6150  * @value: IO value read
6151  * @cd: pointer to command details structure or NULL
6152  *
6153  * Sends 0x06ED AQ command to get the value of a GPIO signal which is part of
6154  * the topology
6155  */
6156 int
ice_aq_get_gpio(struct ice_hw * hw,u16 gpio_ctrl_handle,u8 pin_idx,bool * value,struct ice_sq_cd * cd)6157 ice_aq_get_gpio(struct ice_hw *hw, u16 gpio_ctrl_handle, u8 pin_idx,
6158 		bool *value, struct ice_sq_cd *cd)
6159 {
6160 	struct libie_aq_desc desc;
6161 	struct ice_aqc_gpio *cmd;
6162 	int status;
6163 
6164 	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_gpio);
6165 	cmd = libie_aq_raw(&desc);
6166 	cmd->gpio_ctrl_handle = cpu_to_le16(gpio_ctrl_handle);
6167 	cmd->gpio_num = pin_idx;
6168 
6169 	status = ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
6170 	if (status)
6171 		return status;
6172 
6173 	*value = !!cmd->gpio_val;
6174 	return 0;
6175 }
6176 
6177 /**
6178  * ice_is_fw_api_min_ver
6179  * @hw: pointer to the hardware structure
6180  * @maj: major version
6181  * @min: minor version
6182  * @patch: patch version
6183  *
6184  * Checks if the firmware API is minimum version
6185  */
ice_is_fw_api_min_ver(struct ice_hw * hw,u8 maj,u8 min,u8 patch)6186 static bool ice_is_fw_api_min_ver(struct ice_hw *hw, u8 maj, u8 min, u8 patch)
6187 {
6188 	if (hw->api_maj_ver == maj) {
6189 		if (hw->api_min_ver > min)
6190 			return true;
6191 		if (hw->api_min_ver == min && hw->api_patch >= patch)
6192 			return true;
6193 	} else if (hw->api_maj_ver > maj) {
6194 		return true;
6195 	}
6196 
6197 	return false;
6198 }
6199 
6200 /**
6201  * ice_fw_supports_link_override
6202  * @hw: pointer to the hardware structure
6203  *
6204  * Checks if the firmware supports link override
6205  */
ice_fw_supports_link_override(struct ice_hw * hw)6206 bool ice_fw_supports_link_override(struct ice_hw *hw)
6207 {
6208 	return ice_is_fw_api_min_ver(hw, ICE_FW_API_LINK_OVERRIDE_MAJ,
6209 				     ICE_FW_API_LINK_OVERRIDE_MIN,
6210 				     ICE_FW_API_LINK_OVERRIDE_PATCH);
6211 }
6212 
6213 /**
6214  * ice_get_link_default_override
6215  * @ldo: pointer to the link default override struct
6216  * @pi: pointer to the port info struct
6217  *
6218  * Gets the link default override for a port
6219  */
6220 int
ice_get_link_default_override(struct ice_link_default_override_tlv * ldo,struct ice_port_info * pi)6221 ice_get_link_default_override(struct ice_link_default_override_tlv *ldo,
6222 			      struct ice_port_info *pi)
6223 {
6224 	u16 i, tlv, tlv_len, tlv_start, buf, offset;
6225 	struct ice_hw *hw = pi->hw;
6226 	int status;
6227 
6228 	status = ice_get_pfa_module_tlv(hw, &tlv, &tlv_len,
6229 					ICE_SR_LINK_DEFAULT_OVERRIDE_PTR);
6230 	if (status) {
6231 		ice_debug(hw, ICE_DBG_INIT, "Failed to read link override TLV.\n");
6232 		return status;
6233 	}
6234 
6235 	/* Each port has its own config; calculate for our port */
6236 	tlv_start = tlv + pi->lport * ICE_SR_PFA_LINK_OVERRIDE_WORDS +
6237 		ICE_SR_PFA_LINK_OVERRIDE_OFFSET;
6238 
6239 	/* link options first */
6240 	status = ice_read_sr_word(hw, tlv_start, &buf);
6241 	if (status) {
6242 		ice_debug(hw, ICE_DBG_INIT, "Failed to read override link options.\n");
6243 		return status;
6244 	}
6245 	ldo->options = FIELD_GET(ICE_LINK_OVERRIDE_OPT_M, buf);
6246 	ldo->phy_config = (buf & ICE_LINK_OVERRIDE_PHY_CFG_M) >>
6247 		ICE_LINK_OVERRIDE_PHY_CFG_S;
6248 
6249 	/* link PHY config */
6250 	offset = tlv_start + ICE_SR_PFA_LINK_OVERRIDE_FEC_OFFSET;
6251 	status = ice_read_sr_word(hw, offset, &buf);
6252 	if (status) {
6253 		ice_debug(hw, ICE_DBG_INIT, "Failed to read override phy config.\n");
6254 		return status;
6255 	}
6256 	ldo->fec_options = buf & ICE_LINK_OVERRIDE_FEC_OPT_M;
6257 
6258 	/* PHY types low */
6259 	offset = tlv_start + ICE_SR_PFA_LINK_OVERRIDE_PHY_OFFSET;
6260 	for (i = 0; i < ICE_SR_PFA_LINK_OVERRIDE_PHY_WORDS; i++) {
6261 		status = ice_read_sr_word(hw, (offset + i), &buf);
6262 		if (status) {
6263 			ice_debug(hw, ICE_DBG_INIT, "Failed to read override link options.\n");
6264 			return status;
6265 		}
6266 		/* shift 16 bits at a time to fill 64 bits */
6267 		ldo->phy_type_low |= ((u64)buf << (i * 16));
6268 	}
6269 
6270 	/* PHY types high */
6271 	offset = tlv_start + ICE_SR_PFA_LINK_OVERRIDE_PHY_OFFSET +
6272 		ICE_SR_PFA_LINK_OVERRIDE_PHY_WORDS;
6273 	for (i = 0; i < ICE_SR_PFA_LINK_OVERRIDE_PHY_WORDS; i++) {
6274 		status = ice_read_sr_word(hw, (offset + i), &buf);
6275 		if (status) {
6276 			ice_debug(hw, ICE_DBG_INIT, "Failed to read override link options.\n");
6277 			return status;
6278 		}
6279 		/* shift 16 bits at a time to fill 64 bits */
6280 		ldo->phy_type_high |= ((u64)buf << (i * 16));
6281 	}
6282 
6283 	return status;
6284 }
6285 
6286 /**
6287  * ice_is_phy_caps_an_enabled - check if PHY capabilities autoneg is enabled
6288  * @caps: get PHY capability data
6289  */
ice_is_phy_caps_an_enabled(struct ice_aqc_get_phy_caps_data * caps)6290 bool ice_is_phy_caps_an_enabled(struct ice_aqc_get_phy_caps_data *caps)
6291 {
6292 	if (caps->caps & ICE_AQC_PHY_AN_MODE ||
6293 	    caps->low_power_ctrl_an & (ICE_AQC_PHY_AN_EN_CLAUSE28 |
6294 				       ICE_AQC_PHY_AN_EN_CLAUSE73 |
6295 				       ICE_AQC_PHY_AN_EN_CLAUSE37))
6296 		return true;
6297 
6298 	return false;
6299 }
6300 
6301 /**
6302  * ice_is_fw_health_report_supported - checks if firmware supports health events
6303  * @hw: pointer to the hardware structure
6304  *
6305  * Return: true if firmware supports health status reports,
6306  * false otherwise
6307  */
ice_is_fw_health_report_supported(struct ice_hw * hw)6308 bool ice_is_fw_health_report_supported(struct ice_hw *hw)
6309 {
6310 	return ice_is_fw_api_min_ver(hw, ICE_FW_API_HEALTH_REPORT_MAJ,
6311 				     ICE_FW_API_HEALTH_REPORT_MIN,
6312 				     ICE_FW_API_HEALTH_REPORT_PATCH);
6313 }
6314 
6315 /**
6316  * ice_aq_set_health_status_cfg - Configure FW health events
6317  * @hw: pointer to the HW struct
6318  * @event_source: type of diagnostic events to enable
6319  *
6320  * Configure the health status event types that the firmware will send to this
6321  * PF. The supported event types are: PF-specific, all PFs, and global.
6322  *
6323  * Return: 0 on success, negative error code otherwise.
6324  */
ice_aq_set_health_status_cfg(struct ice_hw * hw,u8 event_source)6325 int ice_aq_set_health_status_cfg(struct ice_hw *hw, u8 event_source)
6326 {
6327 	struct ice_aqc_set_health_status_cfg *cmd;
6328 	struct libie_aq_desc desc;
6329 
6330 	cmd = libie_aq_raw(&desc);
6331 
6332 	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_health_status_cfg);
6333 
6334 	cmd->event_source = event_source;
6335 
6336 	return ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
6337 }
6338 
6339 /**
6340  * ice_aq_set_lldp_mib - Set the LLDP MIB
6341  * @hw: pointer to the HW struct
6342  * @mib_type: Local, Remote or both Local and Remote MIBs
6343  * @buf: pointer to the caller-supplied buffer to store the MIB block
6344  * @buf_size: size of the buffer (in bytes)
6345  * @cd: pointer to command details structure or NULL
6346  *
6347  * Set the LLDP MIB. (0x0A08)
6348  */
6349 int
ice_aq_set_lldp_mib(struct ice_hw * hw,u8 mib_type,void * buf,u16 buf_size,struct ice_sq_cd * cd)6350 ice_aq_set_lldp_mib(struct ice_hw *hw, u8 mib_type, void *buf, u16 buf_size,
6351 		    struct ice_sq_cd *cd)
6352 {
6353 	struct ice_aqc_lldp_set_local_mib *cmd;
6354 	struct libie_aq_desc desc;
6355 
6356 	cmd = libie_aq_raw(&desc);
6357 
6358 	if (buf_size == 0 || !buf)
6359 		return -EINVAL;
6360 
6361 	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_lldp_set_local_mib);
6362 
6363 	desc.flags |= cpu_to_le16((u16)LIBIE_AQ_FLAG_RD);
6364 	desc.datalen = cpu_to_le16(buf_size);
6365 
6366 	cmd->type = mib_type;
6367 	cmd->length = cpu_to_le16(buf_size);
6368 
6369 	return ice_aq_send_cmd(hw, &desc, buf, buf_size, cd);
6370 }
6371 
6372 /**
6373  * ice_fw_supports_lldp_fltr_ctrl - check NVM version supports lldp_fltr_ctrl
6374  * @hw: pointer to HW struct
6375  */
ice_fw_supports_lldp_fltr_ctrl(struct ice_hw * hw)6376 bool ice_fw_supports_lldp_fltr_ctrl(struct ice_hw *hw)
6377 {
6378 	if (hw->mac_type != ICE_MAC_E810)
6379 		return false;
6380 
6381 	return ice_is_fw_api_min_ver(hw, ICE_FW_API_LLDP_FLTR_MAJ,
6382 				     ICE_FW_API_LLDP_FLTR_MIN,
6383 				     ICE_FW_API_LLDP_FLTR_PATCH);
6384 }
6385 
6386 /**
6387  * ice_lldp_fltr_add_remove - add or remove a LLDP Rx switch filter
6388  * @hw: pointer to HW struct
6389  * @vsi: VSI to add the filter to
6390  * @add: boolean for if adding or removing a filter
6391  *
6392  * Return: 0 on success, -EOPNOTSUPP if the operation cannot be performed
6393  *	   with this HW or VSI, otherwise an error corresponding to
6394  *	   the AQ transaction result.
6395  */
ice_lldp_fltr_add_remove(struct ice_hw * hw,struct ice_vsi * vsi,bool add)6396 int ice_lldp_fltr_add_remove(struct ice_hw *hw, struct ice_vsi *vsi, bool add)
6397 {
6398 	struct ice_aqc_lldp_filter_ctrl *cmd;
6399 	struct libie_aq_desc desc;
6400 
6401 	if (!ice_fw_supports_lldp_fltr_ctrl(hw))
6402 		return -EOPNOTSUPP;
6403 
6404 	cmd = libie_aq_raw(&desc);
6405 
6406 	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_lldp_filter_ctrl);
6407 
6408 	if (add)
6409 		cmd->cmd_flags = ICE_AQC_LLDP_FILTER_ACTION_ADD;
6410 	else
6411 		cmd->cmd_flags = ICE_AQC_LLDP_FILTER_ACTION_DELETE;
6412 
6413 	cmd->vsi_num = cpu_to_le16(vsi->vsi_num);
6414 
6415 	return ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
6416 }
6417 
6418 /**
6419  * ice_lldp_execute_pending_mib - execute LLDP pending MIB request
6420  * @hw: pointer to HW struct
6421  */
ice_lldp_execute_pending_mib(struct ice_hw * hw)6422 int ice_lldp_execute_pending_mib(struct ice_hw *hw)
6423 {
6424 	struct libie_aq_desc desc;
6425 
6426 	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_lldp_execute_pending_mib);
6427 
6428 	return ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
6429 }
6430 
6431 /**
6432  * ice_fw_supports_report_dflt_cfg
6433  * @hw: pointer to the hardware structure
6434  *
6435  * Checks if the firmware supports report default configuration
6436  */
ice_fw_supports_report_dflt_cfg(struct ice_hw * hw)6437 bool ice_fw_supports_report_dflt_cfg(struct ice_hw *hw)
6438 {
6439 	return ice_is_fw_api_min_ver(hw, ICE_FW_API_REPORT_DFLT_CFG_MAJ,
6440 				     ICE_FW_API_REPORT_DFLT_CFG_MIN,
6441 				     ICE_FW_API_REPORT_DFLT_CFG_PATCH);
6442 }
6443 
6444 /* each of the indexes into the following array match the speed of a return
6445  * value from the list of AQ returned speeds like the range:
6446  * ICE_AQ_LINK_SPEED_10MB .. ICE_AQ_LINK_SPEED_100GB excluding
6447  * ICE_AQ_LINK_SPEED_UNKNOWN which is BIT(15) and maps to BIT(14) in this
6448  * array. The array is defined as 15 elements long because the link_speed
6449  * returned by the firmware is a 16 bit * value, but is indexed
6450  * by [fls(speed) - 1]
6451  */
6452 static const u32 ice_aq_to_link_speed[] = {
6453 	SPEED_10,	/* BIT(0) */
6454 	SPEED_100,
6455 	SPEED_1000,
6456 	SPEED_2500,
6457 	SPEED_5000,
6458 	SPEED_10000,
6459 	SPEED_20000,
6460 	SPEED_25000,
6461 	SPEED_40000,
6462 	SPEED_50000,
6463 	SPEED_100000,	/* BIT(10) */
6464 	SPEED_200000,
6465 };
6466 
6467 /**
6468  * ice_get_link_speed - get integer speed from table
6469  * @index: array index from fls(aq speed) - 1
6470  *
6471  * Returns: u32 value containing integer speed
6472  */
ice_get_link_speed(u16 index)6473 u32 ice_get_link_speed(u16 index)
6474 {
6475 	if (index >= ARRAY_SIZE(ice_aq_to_link_speed))
6476 		return 0;
6477 
6478 	return ice_aq_to_link_speed[index];
6479 }
6480 
6481 /**
6482  * ice_get_dest_cgu - get destination CGU dev for given HW
6483  * @hw: pointer to the HW struct
6484  *
6485  * Get CGU client id for CGU register read/write operations.
6486  *
6487  * Return: CGU device id to use in SBQ transactions.
6488  */
ice_get_dest_cgu(struct ice_hw * hw)6489 static enum ice_sbq_dev_id ice_get_dest_cgu(struct ice_hw *hw)
6490 {
6491 	/* On dual complex E825 only complex 0 has functional CGU powering all
6492 	 * the PHYs.
6493 	 * SBQ destination device cgu points to CGU on a current complex and to
6494 	 * access primary CGU from the secondary complex, the driver should use
6495 	 * cgu_peer as a destination device.
6496 	 */
6497 	if (hw->mac_type == ICE_MAC_GENERIC_3K_E825 && ice_is_dual(hw) &&
6498 	    !ice_is_primary(hw))
6499 		return ice_sbq_dev_cgu_peer;
6500 	return ice_sbq_dev_cgu;
6501 }
6502 
6503 /**
6504  * ice_read_cgu_reg - Read a CGU register
6505  * @hw: Pointer to the HW struct
6506  * @addr: Register address to read
6507  * @val: Storage for register value read
6508  *
6509  * Read the contents of a register of the Clock Generation Unit. Only
6510  * applicable to E82X devices.
6511  *
6512  * Return: 0 on success, other error codes when failed to read from CGU.
6513  */
ice_read_cgu_reg(struct ice_hw * hw,u32 addr,u32 * val)6514 int ice_read_cgu_reg(struct ice_hw *hw, u32 addr, u32 *val)
6515 {
6516 	struct ice_sbq_msg_input cgu_msg = {
6517 		.dest_dev = ice_get_dest_cgu(hw),
6518 		.opcode = ice_sbq_msg_rd,
6519 		.msg_addr_low = addr
6520 	};
6521 	int err;
6522 
6523 	err = ice_sbq_rw_reg(hw, &cgu_msg, LIBIE_AQ_FLAG_RD);
6524 	if (err) {
6525 		ice_debug(hw, ICE_DBG_PTP, "Failed to read CGU register 0x%04x, err %d\n",
6526 			  addr, err);
6527 		return err;
6528 	}
6529 
6530 	*val = cgu_msg.data;
6531 
6532 	return 0;
6533 }
6534 
6535 /**
6536  * ice_write_cgu_reg - Write a CGU register
6537  * @hw: Pointer to the HW struct
6538  * @addr: Register address to write
6539  * @val: Value to write into the register
6540  *
6541  * Write the specified value to a register of the Clock Generation Unit. Only
6542  * applicable to E82X devices.
6543  *
6544  * Return: 0 on success, other error codes when failed to write to CGU.
6545  */
ice_write_cgu_reg(struct ice_hw * hw,u32 addr,u32 val)6546 int ice_write_cgu_reg(struct ice_hw *hw, u32 addr, u32 val)
6547 {
6548 	struct ice_sbq_msg_input cgu_msg = {
6549 		.dest_dev = ice_get_dest_cgu(hw),
6550 		.opcode = ice_sbq_msg_wr,
6551 		.msg_addr_low = addr,
6552 		.data = val
6553 	};
6554 	int err;
6555 
6556 	err = ice_sbq_rw_reg(hw, &cgu_msg, LIBIE_AQ_FLAG_RD);
6557 	if (err)
6558 		ice_debug(hw, ICE_DBG_PTP, "Failed to write CGU register 0x%04x, err %d\n",
6559 			  addr, err);
6560 
6561 	return err;
6562 }
6563