xref: /linux/drivers/net/ethernet/intel/ice/ice_common.c (revision 32a92f8c89326985e05dce8b22d3f0aa07a3e1bd)
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 		return true;
1820 	}
1821 
1822 	return false;
1823 }
1824 
1825 /**
1826  * ice_sq_send_cmd_retry - send command to Control Queue (ATQ)
1827  * @hw: pointer to the HW struct
1828  * @cq: pointer to the specific Control queue
1829  * @desc: prefilled descriptor describing the command
1830  * @buf: buffer to use for indirect commands (or NULL for direct commands)
1831  * @buf_size: size of buffer for indirect commands (or 0 for direct commands)
1832  * @cd: pointer to command details structure
1833  *
1834  * Retry sending the FW Admin Queue command, multiple times, to the FW Admin
1835  * Queue if the EBUSY AQ error is returned.
1836  */
1837 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)1838 ice_sq_send_cmd_retry(struct ice_hw *hw, struct ice_ctl_q_info *cq,
1839 		      struct libie_aq_desc *desc, void *buf, u16 buf_size,
1840 		      struct ice_sq_cd *cd)
1841 {
1842 	struct libie_aq_desc desc_cpy;
1843 	bool is_cmd_for_retry;
1844 	u8 idx = 0;
1845 	u16 opcode;
1846 	int status;
1847 
1848 	opcode = le16_to_cpu(desc->opcode);
1849 	is_cmd_for_retry = ice_should_retry_sq_send_cmd(opcode);
1850 	memset(&desc_cpy, 0, sizeof(desc_cpy));
1851 
1852 	if (is_cmd_for_retry) {
1853 		/* All retryable cmds are direct, without buf. */
1854 		WARN_ON(buf);
1855 
1856 		memcpy(&desc_cpy, desc, sizeof(desc_cpy));
1857 	}
1858 
1859 	do {
1860 		status = ice_sq_send_cmd(hw, cq, desc, buf, buf_size, cd);
1861 
1862 		if (!is_cmd_for_retry || !status ||
1863 		    hw->adminq.sq_last_status != LIBIE_AQ_RC_EBUSY)
1864 			break;
1865 
1866 		memcpy(desc, &desc_cpy, sizeof(desc_cpy));
1867 
1868 		msleep(ICE_SQ_SEND_DELAY_TIME_MS);
1869 
1870 	} while (++idx < ICE_SQ_SEND_MAX_EXECUTE);
1871 
1872 	return status;
1873 }
1874 
1875 /**
1876  * ice_aq_send_cmd - send FW Admin Queue command to FW Admin Queue
1877  * @hw: pointer to the HW struct
1878  * @desc: descriptor describing the command
1879  * @buf: buffer to use for indirect commands (NULL for direct commands)
1880  * @buf_size: size of buffer for indirect commands (0 for direct commands)
1881  * @cd: pointer to command details structure
1882  *
1883  * Helper function to send FW Admin Queue commands to the FW Admin Queue.
1884  */
1885 int
ice_aq_send_cmd(struct ice_hw * hw,struct libie_aq_desc * desc,void * buf,u16 buf_size,struct ice_sq_cd * cd)1886 ice_aq_send_cmd(struct ice_hw *hw, struct libie_aq_desc *desc, void *buf,
1887 		u16 buf_size, struct ice_sq_cd *cd)
1888 {
1889 	struct libie_aqc_req_res *cmd = libie_aq_raw(desc);
1890 	bool lock_acquired = false;
1891 	int status;
1892 
1893 	/* When a package download is in process (i.e. when the firmware's
1894 	 * Global Configuration Lock resource is held), only the Download
1895 	 * Package, Get Version, Get Package Info List, Upload Section,
1896 	 * Update Package, Set Port Parameters, Get/Set VLAN Mode Parameters,
1897 	 * Add Recipe, Set Recipes to Profile Association, Get Recipe, and Get
1898 	 * Recipes to Profile Association, and Release Resource (with resource
1899 	 * ID set to Global Config Lock) AdminQ commands are allowed; all others
1900 	 * must block until the package download completes and the Global Config
1901 	 * Lock is released.  See also ice_acquire_global_cfg_lock().
1902 	 */
1903 	switch (le16_to_cpu(desc->opcode)) {
1904 	case ice_aqc_opc_download_pkg:
1905 	case ice_aqc_opc_get_pkg_info_list:
1906 	case ice_aqc_opc_get_ver:
1907 	case ice_aqc_opc_upload_section:
1908 	case ice_aqc_opc_update_pkg:
1909 	case ice_aqc_opc_set_port_params:
1910 	case ice_aqc_opc_get_vlan_mode_parameters:
1911 	case ice_aqc_opc_set_vlan_mode_parameters:
1912 	case ice_aqc_opc_set_tx_topo:
1913 	case ice_aqc_opc_get_tx_topo:
1914 	case ice_aqc_opc_add_recipe:
1915 	case ice_aqc_opc_recipe_to_profile:
1916 	case ice_aqc_opc_get_recipe:
1917 	case ice_aqc_opc_get_recipe_to_profile:
1918 		break;
1919 	case ice_aqc_opc_release_res:
1920 		if (le16_to_cpu(cmd->res_id) == LIBIE_AQC_RES_ID_GLBL_LOCK)
1921 			break;
1922 		fallthrough;
1923 	default:
1924 		mutex_lock(&ice_global_cfg_lock_sw);
1925 		lock_acquired = true;
1926 		break;
1927 	}
1928 
1929 	status = ice_sq_send_cmd_retry(hw, &hw->adminq, desc, buf, buf_size, cd);
1930 	if (lock_acquired)
1931 		mutex_unlock(&ice_global_cfg_lock_sw);
1932 
1933 	return status;
1934 }
1935 
1936 /**
1937  * ice_aq_get_fw_ver
1938  * @hw: pointer to the HW struct
1939  * @cd: pointer to command details structure or NULL
1940  *
1941  * Get the firmware version (0x0001) from the admin queue commands
1942  */
ice_aq_get_fw_ver(struct ice_hw * hw,struct ice_sq_cd * cd)1943 int ice_aq_get_fw_ver(struct ice_hw *hw, struct ice_sq_cd *cd)
1944 {
1945 	struct libie_aqc_get_ver *resp;
1946 	struct libie_aq_desc desc;
1947 	int status;
1948 
1949 	resp = &desc.params.get_ver;
1950 
1951 	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_ver);
1952 
1953 	status = ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
1954 
1955 	if (!status) {
1956 		hw->fw_branch = resp->fw_branch;
1957 		hw->fw_maj_ver = resp->fw_major;
1958 		hw->fw_min_ver = resp->fw_minor;
1959 		hw->fw_patch = resp->fw_patch;
1960 		hw->fw_build = le32_to_cpu(resp->fw_build);
1961 		hw->api_branch = resp->api_branch;
1962 		hw->api_maj_ver = resp->api_major;
1963 		hw->api_min_ver = resp->api_minor;
1964 		hw->api_patch = resp->api_patch;
1965 	}
1966 
1967 	return status;
1968 }
1969 
1970 /**
1971  * ice_aq_send_driver_ver
1972  * @hw: pointer to the HW struct
1973  * @dv: driver's major, minor version
1974  * @cd: pointer to command details structure or NULL
1975  *
1976  * Send the driver version (0x0002) to the firmware
1977  */
1978 int
ice_aq_send_driver_ver(struct ice_hw * hw,struct ice_driver_ver * dv,struct ice_sq_cd * cd)1979 ice_aq_send_driver_ver(struct ice_hw *hw, struct ice_driver_ver *dv,
1980 		       struct ice_sq_cd *cd)
1981 {
1982 	struct libie_aqc_driver_ver *cmd;
1983 	struct libie_aq_desc desc;
1984 	u16 len;
1985 
1986 	cmd = &desc.params.driver_ver;
1987 
1988 	if (!dv)
1989 		return -EINVAL;
1990 
1991 	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_driver_ver);
1992 
1993 	desc.flags |= cpu_to_le16(LIBIE_AQ_FLAG_RD);
1994 	cmd->major_ver = dv->major_ver;
1995 	cmd->minor_ver = dv->minor_ver;
1996 	cmd->build_ver = dv->build_ver;
1997 	cmd->subbuild_ver = dv->subbuild_ver;
1998 
1999 	len = 0;
2000 	while (len < sizeof(dv->driver_string) &&
2001 	       isascii(dv->driver_string[len]) && dv->driver_string[len])
2002 		len++;
2003 
2004 	return ice_aq_send_cmd(hw, &desc, dv->driver_string, len, cd);
2005 }
2006 
2007 /**
2008  * ice_aq_q_shutdown
2009  * @hw: pointer to the HW struct
2010  * @unloading: is the driver unloading itself
2011  *
2012  * Tell the Firmware that we're shutting down the AdminQ and whether
2013  * or not the driver is unloading as well (0x0003).
2014  */
ice_aq_q_shutdown(struct ice_hw * hw,bool unloading)2015 int ice_aq_q_shutdown(struct ice_hw *hw, bool unloading)
2016 {
2017 	struct ice_aqc_q_shutdown *cmd;
2018 	struct libie_aq_desc desc;
2019 
2020 	cmd = libie_aq_raw(&desc);
2021 
2022 	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_q_shutdown);
2023 
2024 	if (unloading)
2025 		cmd->driver_unloading = ICE_AQC_DRIVER_UNLOADING;
2026 
2027 	return ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
2028 }
2029 
2030 /**
2031  * ice_aq_req_res
2032  * @hw: pointer to the HW struct
2033  * @res: resource ID
2034  * @access: access type
2035  * @sdp_number: resource number
2036  * @timeout: the maximum time in ms that the driver may hold the resource
2037  * @cd: pointer to command details structure or NULL
2038  *
2039  * Requests common resource using the admin queue commands (0x0008).
2040  * When attempting to acquire the Global Config Lock, the driver can
2041  * learn of three states:
2042  *  1) 0 -         acquired lock, and can perform download package
2043  *  2) -EIO -      did not get lock, driver should fail to load
2044  *  3) -EALREADY - did not get lock, but another driver has
2045  *                 successfully downloaded the package; the driver does
2046  *                 not have to download the package and can continue
2047  *                 loading
2048  *
2049  * Note that if the caller is in an acquire lock, perform action, release lock
2050  * phase of operation, it is possible that the FW may detect a timeout and issue
2051  * a CORER. In this case, the driver will receive a CORER interrupt and will
2052  * have to determine its cause. The calling thread that is handling this flow
2053  * will likely get an error propagated back to it indicating the Download
2054  * Package, Update Package or the Release Resource AQ commands timed out.
2055  */
2056 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)2057 ice_aq_req_res(struct ice_hw *hw, enum ice_aq_res_ids res,
2058 	       enum ice_aq_res_access_type access, u8 sdp_number, u32 *timeout,
2059 	       struct ice_sq_cd *cd)
2060 {
2061 	struct libie_aqc_req_res *cmd_resp;
2062 	struct libie_aq_desc desc;
2063 	int status;
2064 
2065 	cmd_resp = &desc.params.res_owner;
2066 
2067 	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_req_res);
2068 
2069 	cmd_resp->res_id = cpu_to_le16(res);
2070 	cmd_resp->access_type = cpu_to_le16(access);
2071 	cmd_resp->res_number = cpu_to_le32(sdp_number);
2072 	cmd_resp->timeout = cpu_to_le32(*timeout);
2073 	*timeout = 0;
2074 
2075 	status = ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
2076 
2077 	/* The completion specifies the maximum time in ms that the driver
2078 	 * may hold the resource in the Timeout field.
2079 	 */
2080 
2081 	/* Global config lock response utilizes an additional status field.
2082 	 *
2083 	 * If the Global config lock resource is held by some other driver, the
2084 	 * command completes with LIBIE_AQ_RES_GLBL_IN_PROG in the status field
2085 	 * and the timeout field indicates the maximum time the current owner
2086 	 * of the resource has to free it.
2087 	 */
2088 	if (res == ICE_GLOBAL_CFG_LOCK_RES_ID) {
2089 		if (le16_to_cpu(cmd_resp->status) == LIBIE_AQ_RES_GLBL_SUCCESS) {
2090 			*timeout = le32_to_cpu(cmd_resp->timeout);
2091 			return 0;
2092 		} else if (le16_to_cpu(cmd_resp->status) ==
2093 			   LIBIE_AQ_RES_GLBL_IN_PROG) {
2094 			*timeout = le32_to_cpu(cmd_resp->timeout);
2095 			return -EIO;
2096 		} else if (le16_to_cpu(cmd_resp->status) ==
2097 			   LIBIE_AQ_RES_GLBL_DONE) {
2098 			return -EALREADY;
2099 		}
2100 
2101 		/* invalid FW response, force a timeout immediately */
2102 		*timeout = 0;
2103 		return -EIO;
2104 	}
2105 
2106 	/* If the resource is held by some other driver, the command completes
2107 	 * with a busy return value and the timeout field indicates the maximum
2108 	 * time the current owner of the resource has to free it.
2109 	 */
2110 	if (!status || hw->adminq.sq_last_status == LIBIE_AQ_RC_EBUSY)
2111 		*timeout = le32_to_cpu(cmd_resp->timeout);
2112 
2113 	return status;
2114 }
2115 
2116 /**
2117  * ice_aq_release_res
2118  * @hw: pointer to the HW struct
2119  * @res: resource ID
2120  * @sdp_number: resource number
2121  * @cd: pointer to command details structure or NULL
2122  *
2123  * release common resource using the admin queue commands (0x0009)
2124  */
2125 static int
ice_aq_release_res(struct ice_hw * hw,enum ice_aq_res_ids res,u8 sdp_number,struct ice_sq_cd * cd)2126 ice_aq_release_res(struct ice_hw *hw, enum ice_aq_res_ids res, u8 sdp_number,
2127 		   struct ice_sq_cd *cd)
2128 {
2129 	struct libie_aqc_req_res *cmd;
2130 	struct libie_aq_desc desc;
2131 
2132 	cmd = &desc.params.res_owner;
2133 
2134 	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_release_res);
2135 
2136 	cmd->res_id = cpu_to_le16(res);
2137 	cmd->res_number = cpu_to_le32(sdp_number);
2138 
2139 	return ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
2140 }
2141 
2142 /**
2143  * ice_acquire_res
2144  * @hw: pointer to the HW structure
2145  * @res: resource ID
2146  * @access: access type (read or write)
2147  * @timeout: timeout in milliseconds
2148  *
2149  * This function will attempt to acquire the ownership of a resource.
2150  */
2151 int
ice_acquire_res(struct ice_hw * hw,enum ice_aq_res_ids res,enum ice_aq_res_access_type access,u32 timeout)2152 ice_acquire_res(struct ice_hw *hw, enum ice_aq_res_ids res,
2153 		enum ice_aq_res_access_type access, u32 timeout)
2154 {
2155 #define ICE_RES_POLLING_DELAY_MS	10
2156 	u32 delay = ICE_RES_POLLING_DELAY_MS;
2157 	u32 time_left = timeout;
2158 	int status;
2159 
2160 	status = ice_aq_req_res(hw, res, access, 0, &time_left, NULL);
2161 
2162 	/* A return code of -EALREADY means that another driver has
2163 	 * previously acquired the resource and performed any necessary updates;
2164 	 * in this case the caller does not obtain the resource and has no
2165 	 * further work to do.
2166 	 */
2167 	if (status == -EALREADY)
2168 		goto ice_acquire_res_exit;
2169 
2170 	if (status)
2171 		ice_debug(hw, ICE_DBG_RES, "resource %d acquire type %d failed.\n", res, access);
2172 
2173 	/* If necessary, poll until the current lock owner timeouts */
2174 	timeout = time_left;
2175 	while (status && timeout && time_left) {
2176 		mdelay(delay);
2177 		timeout = (timeout > delay) ? timeout - delay : 0;
2178 		status = ice_aq_req_res(hw, res, access, 0, &time_left, NULL);
2179 
2180 		if (status == -EALREADY)
2181 			/* lock free, but no work to do */
2182 			break;
2183 
2184 		if (!status)
2185 			/* lock acquired */
2186 			break;
2187 	}
2188 	if (status && status != -EALREADY)
2189 		ice_debug(hw, ICE_DBG_RES, "resource acquire timed out.\n");
2190 
2191 ice_acquire_res_exit:
2192 	if (status == -EALREADY) {
2193 		if (access == ICE_RES_WRITE)
2194 			ice_debug(hw, ICE_DBG_RES, "resource indicates no work to do.\n");
2195 		else
2196 			ice_debug(hw, ICE_DBG_RES, "Warning: -EALREADY not expected\n");
2197 	}
2198 	return status;
2199 }
2200 
2201 /**
2202  * ice_release_res
2203  * @hw: pointer to the HW structure
2204  * @res: resource ID
2205  *
2206  * This function will release a resource using the proper Admin Command.
2207  */
ice_release_res(struct ice_hw * hw,enum ice_aq_res_ids res)2208 void ice_release_res(struct ice_hw *hw, enum ice_aq_res_ids res)
2209 {
2210 	unsigned long timeout;
2211 	int status;
2212 
2213 	/* there are some rare cases when trying to release the resource
2214 	 * results in an admin queue timeout, so handle them correctly
2215 	 */
2216 	timeout = jiffies + 10 * usecs_to_jiffies(ICE_CTL_Q_SQ_CMD_TIMEOUT);
2217 	do {
2218 		status = ice_aq_release_res(hw, res, 0, NULL);
2219 		if (status != -EIO)
2220 			break;
2221 		usleep_range(1000, 2000);
2222 	} while (time_before(jiffies, timeout));
2223 }
2224 
2225 /**
2226  * ice_aq_alloc_free_res - command to allocate/free resources
2227  * @hw: pointer to the HW struct
2228  * @buf: Indirect buffer to hold data parameters and response
2229  * @buf_size: size of buffer for indirect commands
2230  * @opc: pass in the command opcode
2231  *
2232  * Helper function to allocate/free resources using the admin queue commands
2233  */
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)2234 int ice_aq_alloc_free_res(struct ice_hw *hw,
2235 			  struct ice_aqc_alloc_free_res_elem *buf, u16 buf_size,
2236 			  enum ice_adminq_opc opc)
2237 {
2238 	struct ice_aqc_alloc_free_res_cmd *cmd;
2239 	struct libie_aq_desc desc;
2240 
2241 	cmd = libie_aq_raw(&desc);
2242 
2243 	if (!buf || buf_size < flex_array_size(buf, elem, 1))
2244 		return -EINVAL;
2245 
2246 	ice_fill_dflt_direct_cmd_desc(&desc, opc);
2247 
2248 	desc.flags |= cpu_to_le16(LIBIE_AQ_FLAG_RD);
2249 
2250 	cmd->num_entries = cpu_to_le16(1);
2251 
2252 	return ice_aq_send_cmd(hw, &desc, buf, buf_size, NULL);
2253 }
2254 
2255 /**
2256  * ice_alloc_hw_res - allocate resource
2257  * @hw: pointer to the HW struct
2258  * @type: type of resource
2259  * @num: number of resources to allocate
2260  * @btm: allocate from bottom
2261  * @res: pointer to array that will receive the resources
2262  */
2263 int
ice_alloc_hw_res(struct ice_hw * hw,u16 type,u16 num,bool btm,u16 * res)2264 ice_alloc_hw_res(struct ice_hw *hw, u16 type, u16 num, bool btm, u16 *res)
2265 {
2266 	struct ice_aqc_alloc_free_res_elem *buf;
2267 	u16 buf_len;
2268 	int status;
2269 
2270 	buf_len = struct_size(buf, elem, num);
2271 	buf = kzalloc(buf_len, GFP_KERNEL);
2272 	if (!buf)
2273 		return -ENOMEM;
2274 
2275 	/* Prepare buffer to allocate resource. */
2276 	buf->num_elems = cpu_to_le16(num);
2277 	buf->res_type = cpu_to_le16(type | ICE_AQC_RES_TYPE_FLAG_DEDICATED |
2278 				    ICE_AQC_RES_TYPE_FLAG_IGNORE_INDEX);
2279 	if (btm)
2280 		buf->res_type |= cpu_to_le16(ICE_AQC_RES_TYPE_FLAG_SCAN_BOTTOM);
2281 
2282 	status = ice_aq_alloc_free_res(hw, buf, buf_len, ice_aqc_opc_alloc_res);
2283 	if (status)
2284 		goto ice_alloc_res_exit;
2285 
2286 	memcpy(res, buf->elem, sizeof(*buf->elem) * num);
2287 
2288 ice_alloc_res_exit:
2289 	kfree(buf);
2290 	return status;
2291 }
2292 
2293 /**
2294  * ice_free_hw_res - free allocated HW resource
2295  * @hw: pointer to the HW struct
2296  * @type: type of resource to free
2297  * @num: number of resources
2298  * @res: pointer to array that contains the resources to free
2299  */
ice_free_hw_res(struct ice_hw * hw,u16 type,u16 num,u16 * res)2300 int ice_free_hw_res(struct ice_hw *hw, u16 type, u16 num, u16 *res)
2301 {
2302 	struct ice_aqc_alloc_free_res_elem *buf;
2303 	u16 buf_len;
2304 	int status;
2305 
2306 	buf_len = struct_size(buf, elem, num);
2307 	buf = kzalloc(buf_len, GFP_KERNEL);
2308 	if (!buf)
2309 		return -ENOMEM;
2310 
2311 	/* Prepare buffer to free resource. */
2312 	buf->num_elems = cpu_to_le16(num);
2313 	buf->res_type = cpu_to_le16(type);
2314 	memcpy(buf->elem, res, sizeof(*buf->elem) * num);
2315 
2316 	status = ice_aq_alloc_free_res(hw, buf, buf_len, ice_aqc_opc_free_res);
2317 	if (status)
2318 		ice_debug(hw, ICE_DBG_SW, "CQ CMD Buffer:\n");
2319 
2320 	kfree(buf);
2321 	return status;
2322 }
2323 
2324 /**
2325  * ice_get_num_per_func - determine number of resources per PF
2326  * @hw: pointer to the HW structure
2327  * @max: value to be evenly split between each PF
2328  *
2329  * Determine the number of valid functions by going through the bitmap returned
2330  * from parsing capabilities and use this to calculate the number of resources
2331  * per PF based on the max value passed in.
2332  */
ice_get_num_per_func(struct ice_hw * hw,u32 max)2333 static u32 ice_get_num_per_func(struct ice_hw *hw, u32 max)
2334 {
2335 	u8 funcs;
2336 
2337 #define ICE_CAPS_VALID_FUNCS_M	0xFF
2338 	funcs = hweight8(hw->dev_caps.common_cap.valid_functions &
2339 			 ICE_CAPS_VALID_FUNCS_M);
2340 
2341 	if (!funcs)
2342 		return 0;
2343 
2344 	return max / funcs;
2345 }
2346 
2347 /**
2348  * ice_parse_common_caps - parse common device/function capabilities
2349  * @hw: pointer to the HW struct
2350  * @caps: pointer to common capabilities structure
2351  * @elem: the capability element to parse
2352  * @prefix: message prefix for tracing capabilities
2353  *
2354  * Given a capability element, extract relevant details into the common
2355  * capability structure.
2356  *
2357  * Returns: true if the capability matches one of the common capability ids,
2358  * false otherwise.
2359  */
2360 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)2361 ice_parse_common_caps(struct ice_hw *hw, struct ice_hw_common_caps *caps,
2362 		      struct libie_aqc_list_caps_elem *elem, const char *prefix)
2363 {
2364 	u32 logical_id = le32_to_cpu(elem->logical_id);
2365 	u32 phys_id = le32_to_cpu(elem->phys_id);
2366 	u32 number = le32_to_cpu(elem->number);
2367 	u16 cap = le16_to_cpu(elem->cap);
2368 	bool found = true;
2369 
2370 	switch (cap) {
2371 	case LIBIE_AQC_CAPS_VALID_FUNCTIONS:
2372 		caps->valid_functions = number;
2373 		ice_debug(hw, ICE_DBG_INIT, "%s: valid_functions (bitmap) = %d\n", prefix,
2374 			  caps->valid_functions);
2375 		break;
2376 	case LIBIE_AQC_CAPS_SRIOV:
2377 		caps->sr_iov_1_1 = (number == 1);
2378 		ice_debug(hw, ICE_DBG_INIT, "%s: sr_iov_1_1 = %d\n", prefix,
2379 			  caps->sr_iov_1_1);
2380 		break;
2381 	case LIBIE_AQC_CAPS_DCB:
2382 		caps->dcb = (number == 1);
2383 		caps->active_tc_bitmap = logical_id;
2384 		caps->maxtc = phys_id;
2385 		ice_debug(hw, ICE_DBG_INIT, "%s: dcb = %d\n", prefix, caps->dcb);
2386 		ice_debug(hw, ICE_DBG_INIT, "%s: active_tc_bitmap = %d\n", prefix,
2387 			  caps->active_tc_bitmap);
2388 		ice_debug(hw, ICE_DBG_INIT, "%s: maxtc = %d\n", prefix, caps->maxtc);
2389 		break;
2390 	case LIBIE_AQC_CAPS_RSS:
2391 		caps->rss_table_size = number;
2392 		caps->rss_table_entry_width = logical_id;
2393 		ice_debug(hw, ICE_DBG_INIT, "%s: rss_table_size = %d\n", prefix,
2394 			  caps->rss_table_size);
2395 		ice_debug(hw, ICE_DBG_INIT, "%s: rss_table_entry_width = %d\n", prefix,
2396 			  caps->rss_table_entry_width);
2397 		break;
2398 	case LIBIE_AQC_CAPS_RXQS:
2399 		caps->num_rxq = number;
2400 		caps->rxq_first_id = phys_id;
2401 		ice_debug(hw, ICE_DBG_INIT, "%s: num_rxq = %d\n", prefix,
2402 			  caps->num_rxq);
2403 		ice_debug(hw, ICE_DBG_INIT, "%s: rxq_first_id = %d\n", prefix,
2404 			  caps->rxq_first_id);
2405 		break;
2406 	case LIBIE_AQC_CAPS_TXQS:
2407 		caps->num_txq = number;
2408 		caps->txq_first_id = phys_id;
2409 		ice_debug(hw, ICE_DBG_INIT, "%s: num_txq = %d\n", prefix,
2410 			  caps->num_txq);
2411 		ice_debug(hw, ICE_DBG_INIT, "%s: txq_first_id = %d\n", prefix,
2412 			  caps->txq_first_id);
2413 		break;
2414 	case LIBIE_AQC_CAPS_MSIX:
2415 		caps->num_msix_vectors = number;
2416 		caps->msix_vector_first_id = phys_id;
2417 		ice_debug(hw, ICE_DBG_INIT, "%s: num_msix_vectors = %d\n", prefix,
2418 			  caps->num_msix_vectors);
2419 		ice_debug(hw, ICE_DBG_INIT, "%s: msix_vector_first_id = %d\n", prefix,
2420 			  caps->msix_vector_first_id);
2421 		break;
2422 	case LIBIE_AQC_CAPS_PENDING_NVM_VER:
2423 		caps->nvm_update_pending_nvm = true;
2424 		ice_debug(hw, ICE_DBG_INIT, "%s: update_pending_nvm\n", prefix);
2425 		break;
2426 	case LIBIE_AQC_CAPS_PENDING_OROM_VER:
2427 		caps->nvm_update_pending_orom = true;
2428 		ice_debug(hw, ICE_DBG_INIT, "%s: update_pending_orom\n", prefix);
2429 		break;
2430 	case LIBIE_AQC_CAPS_PENDING_NET_VER:
2431 		caps->nvm_update_pending_netlist = true;
2432 		ice_debug(hw, ICE_DBG_INIT, "%s: update_pending_netlist\n", prefix);
2433 		break;
2434 	case LIBIE_AQC_CAPS_NVM_MGMT:
2435 		caps->nvm_unified_update =
2436 			(number & ICE_NVM_MGMT_UNIFIED_UPD_SUPPORT) ?
2437 			true : false;
2438 		ice_debug(hw, ICE_DBG_INIT, "%s: nvm_unified_update = %d\n", prefix,
2439 			  caps->nvm_unified_update);
2440 		break;
2441 	case LIBIE_AQC_CAPS_RDMA:
2442 		if (IS_ENABLED(CONFIG_INFINIBAND_IRDMA))
2443 			caps->rdma = (number == 1);
2444 		ice_debug(hw, ICE_DBG_INIT, "%s: rdma = %d\n", prefix, caps->rdma);
2445 		break;
2446 	case LIBIE_AQC_CAPS_MAX_MTU:
2447 		caps->max_mtu = number;
2448 		ice_debug(hw, ICE_DBG_INIT, "%s: max_mtu = %d\n",
2449 			  prefix, caps->max_mtu);
2450 		break;
2451 	case LIBIE_AQC_CAPS_PCIE_RESET_AVOIDANCE:
2452 		caps->pcie_reset_avoidance = (number > 0);
2453 		ice_debug(hw, ICE_DBG_INIT,
2454 			  "%s: pcie_reset_avoidance = %d\n", prefix,
2455 			  caps->pcie_reset_avoidance);
2456 		break;
2457 	case LIBIE_AQC_CAPS_POST_UPDATE_RESET_RESTRICT:
2458 		caps->reset_restrict_support = (number == 1);
2459 		ice_debug(hw, ICE_DBG_INIT,
2460 			  "%s: reset_restrict_support = %d\n", prefix,
2461 			  caps->reset_restrict_support);
2462 		break;
2463 	case LIBIE_AQC_CAPS_FW_LAG_SUPPORT:
2464 		caps->roce_lag = number & LIBIE_AQC_BIT_ROCEV2_LAG;
2465 		ice_debug(hw, ICE_DBG_INIT, "%s: roce_lag = %u\n",
2466 			  prefix, caps->roce_lag);
2467 		caps->sriov_lag = number & LIBIE_AQC_BIT_SRIOV_LAG;
2468 		ice_debug(hw, ICE_DBG_INIT, "%s: sriov_lag = %u\n",
2469 			  prefix, caps->sriov_lag);
2470 		caps->sriov_aa_lag = number & LIBIE_AQC_BIT_SRIOV_AA_LAG;
2471 		ice_debug(hw, ICE_DBG_INIT, "%s: sriov_aa_lag = %u\n",
2472 			  prefix, caps->sriov_aa_lag);
2473 		break;
2474 	case LIBIE_AQC_CAPS_TX_SCHED_TOPO_COMP_MODE:
2475 		caps->tx_sched_topo_comp_mode_en = (number == 1);
2476 		break;
2477 	default:
2478 		/* Not one of the recognized common capabilities */
2479 		found = false;
2480 	}
2481 
2482 	return found;
2483 }
2484 
2485 /**
2486  * ice_recalc_port_limited_caps - Recalculate port limited capabilities
2487  * @hw: pointer to the HW structure
2488  * @caps: pointer to capabilities structure to fix
2489  *
2490  * Re-calculate the capabilities that are dependent on the number of physical
2491  * ports; i.e. some features are not supported or function differently on
2492  * devices with more than 4 ports.
2493  */
2494 static void
ice_recalc_port_limited_caps(struct ice_hw * hw,struct ice_hw_common_caps * caps)2495 ice_recalc_port_limited_caps(struct ice_hw *hw, struct ice_hw_common_caps *caps)
2496 {
2497 	/* This assumes device capabilities are always scanned before function
2498 	 * capabilities during the initialization flow.
2499 	 */
2500 	if (hw->dev_caps.num_funcs > 4) {
2501 		/* Max 4 TCs per port */
2502 		caps->maxtc = 4;
2503 		ice_debug(hw, ICE_DBG_INIT, "reducing maxtc to %d (based on #ports)\n",
2504 			  caps->maxtc);
2505 		if (caps->rdma) {
2506 			ice_debug(hw, ICE_DBG_INIT, "forcing RDMA off\n");
2507 			caps->rdma = 0;
2508 		}
2509 
2510 		/* print message only when processing device capabilities
2511 		 * during initialization.
2512 		 */
2513 		if (caps == &hw->dev_caps.common_cap)
2514 			dev_info(ice_hw_to_dev(hw), "RDMA functionality is not available with the current device configuration.\n");
2515 	}
2516 }
2517 
2518 /**
2519  * ice_parse_vf_func_caps - Parse ICE_AQC_CAPS_VF function caps
2520  * @hw: pointer to the HW struct
2521  * @func_p: pointer to function capabilities structure
2522  * @cap: pointer to the capability element to parse
2523  *
2524  * Extract function capabilities for ICE_AQC_CAPS_VF.
2525  */
2526 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)2527 ice_parse_vf_func_caps(struct ice_hw *hw, struct ice_hw_func_caps *func_p,
2528 		       struct libie_aqc_list_caps_elem *cap)
2529 {
2530 	u32 logical_id = le32_to_cpu(cap->logical_id);
2531 	u32 number = le32_to_cpu(cap->number);
2532 
2533 	func_p->num_allocd_vfs = number;
2534 	func_p->vf_base_id = logical_id;
2535 	ice_debug(hw, ICE_DBG_INIT, "func caps: num_allocd_vfs = %d\n",
2536 		  func_p->num_allocd_vfs);
2537 	ice_debug(hw, ICE_DBG_INIT, "func caps: vf_base_id = %d\n",
2538 		  func_p->vf_base_id);
2539 }
2540 
2541 /**
2542  * ice_parse_vsi_func_caps - Parse ICE_AQC_CAPS_VSI function caps
2543  * @hw: pointer to the HW struct
2544  * @func_p: pointer to function capabilities structure
2545  * @cap: pointer to the capability element to parse
2546  *
2547  * Extract function capabilities for ICE_AQC_CAPS_VSI.
2548  */
2549 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)2550 ice_parse_vsi_func_caps(struct ice_hw *hw, struct ice_hw_func_caps *func_p,
2551 			struct libie_aqc_list_caps_elem *cap)
2552 {
2553 	func_p->guar_num_vsi = ice_get_num_per_func(hw, ICE_MAX_VSI);
2554 	ice_debug(hw, ICE_DBG_INIT, "func caps: guar_num_vsi (fw) = %d\n",
2555 		  le32_to_cpu(cap->number));
2556 	ice_debug(hw, ICE_DBG_INIT, "func caps: guar_num_vsi = %d\n",
2557 		  func_p->guar_num_vsi);
2558 }
2559 
2560 /**
2561  * ice_parse_1588_func_caps - Parse ICE_AQC_CAPS_1588 function caps
2562  * @hw: pointer to the HW struct
2563  * @func_p: pointer to function capabilities structure
2564  * @cap: pointer to the capability element to parse
2565  *
2566  * Extract function capabilities for ICE_AQC_CAPS_1588.
2567  */
2568 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)2569 ice_parse_1588_func_caps(struct ice_hw *hw, struct ice_hw_func_caps *func_p,
2570 			 struct libie_aqc_list_caps_elem *cap)
2571 {
2572 	struct ice_ts_func_info *info = &func_p->ts_func_info;
2573 	u32 number = le32_to_cpu(cap->number);
2574 
2575 	info->ena = ((number & ICE_TS_FUNC_ENA_M) != 0);
2576 	func_p->common_cap.ieee_1588 = info->ena;
2577 
2578 	info->src_tmr_owned = ((number & ICE_TS_SRC_TMR_OWND_M) != 0);
2579 	info->tmr_ena = ((number & ICE_TS_TMR_ENA_M) != 0);
2580 	info->tmr_index_owned = ((number & ICE_TS_TMR_IDX_OWND_M) != 0);
2581 	info->tmr_index_assoc = ((number & ICE_TS_TMR_IDX_ASSOC_M) != 0);
2582 
2583 	if (hw->mac_type != ICE_MAC_GENERIC_3K_E825) {
2584 		info->clk_freq = FIELD_GET(ICE_TS_CLK_FREQ_M, number);
2585 		info->clk_src = ((number & ICE_TS_CLK_SRC_M) != 0);
2586 	} else {
2587 		info->clk_freq = ICE_TSPLL_FREQ_156_250;
2588 		info->clk_src = ICE_CLK_SRC_TIME_REF;
2589 	}
2590 
2591 	if (info->clk_freq < NUM_ICE_TSPLL_FREQ) {
2592 		info->time_ref = (enum ice_tspll_freq)info->clk_freq;
2593 	} else {
2594 		/* Unknown clock frequency, so assume a (probably incorrect)
2595 		 * default to avoid out-of-bounds look ups of frequency
2596 		 * related information.
2597 		 */
2598 		ice_debug(hw, ICE_DBG_INIT, "1588 func caps: unknown clock frequency %u\n",
2599 			  info->clk_freq);
2600 		info->time_ref = ICE_TSPLL_FREQ_25_000;
2601 	}
2602 
2603 	ice_debug(hw, ICE_DBG_INIT, "func caps: ieee_1588 = %u\n",
2604 		  func_p->common_cap.ieee_1588);
2605 	ice_debug(hw, ICE_DBG_INIT, "func caps: src_tmr_owned = %u\n",
2606 		  info->src_tmr_owned);
2607 	ice_debug(hw, ICE_DBG_INIT, "func caps: tmr_ena = %u\n",
2608 		  info->tmr_ena);
2609 	ice_debug(hw, ICE_DBG_INIT, "func caps: tmr_index_owned = %u\n",
2610 		  info->tmr_index_owned);
2611 	ice_debug(hw, ICE_DBG_INIT, "func caps: tmr_index_assoc = %u\n",
2612 		  info->tmr_index_assoc);
2613 	ice_debug(hw, ICE_DBG_INIT, "func caps: clk_freq = %u\n",
2614 		  info->clk_freq);
2615 	ice_debug(hw, ICE_DBG_INIT, "func caps: clk_src = %u\n",
2616 		  info->clk_src);
2617 }
2618 
2619 /**
2620  * ice_parse_fdir_func_caps - Parse ICE_AQC_CAPS_FD function caps
2621  * @hw: pointer to the HW struct
2622  * @func_p: pointer to function capabilities structure
2623  *
2624  * Extract function capabilities for ICE_AQC_CAPS_FD.
2625  */
2626 static void
ice_parse_fdir_func_caps(struct ice_hw * hw,struct ice_hw_func_caps * func_p)2627 ice_parse_fdir_func_caps(struct ice_hw *hw, struct ice_hw_func_caps *func_p)
2628 {
2629 	u32 reg_val, gsize, bsize;
2630 
2631 	reg_val = rd32(hw, GLQF_FD_SIZE);
2632 	switch (hw->mac_type) {
2633 	case ICE_MAC_E830:
2634 		gsize = FIELD_GET(E830_GLQF_FD_SIZE_FD_GSIZE_M, reg_val);
2635 		bsize = FIELD_GET(E830_GLQF_FD_SIZE_FD_BSIZE_M, reg_val);
2636 		break;
2637 	case ICE_MAC_E810:
2638 	default:
2639 		gsize = FIELD_GET(E800_GLQF_FD_SIZE_FD_GSIZE_M, reg_val);
2640 		bsize = FIELD_GET(E800_GLQF_FD_SIZE_FD_BSIZE_M, reg_val);
2641 	}
2642 	func_p->fd_fltr_guar = ice_get_num_per_func(hw, gsize);
2643 	func_p->fd_fltr_best_effort = bsize;
2644 
2645 	ice_debug(hw, ICE_DBG_INIT, "func caps: fd_fltr_guar = %d\n",
2646 		  func_p->fd_fltr_guar);
2647 	ice_debug(hw, ICE_DBG_INIT, "func caps: fd_fltr_best_effort = %d\n",
2648 		  func_p->fd_fltr_best_effort);
2649 }
2650 
2651 /**
2652  * ice_parse_func_caps - Parse function capabilities
2653  * @hw: pointer to the HW struct
2654  * @func_p: pointer to function capabilities structure
2655  * @buf: buffer containing the function capability records
2656  * @cap_count: the number of capabilities
2657  *
2658  * Helper function to parse function (0x000A) capabilities list. For
2659  * capabilities shared between device and function, this relies on
2660  * ice_parse_common_caps.
2661  *
2662  * Loop through the list of provided capabilities and extract the relevant
2663  * data into the function capabilities structured.
2664  */
2665 static void
ice_parse_func_caps(struct ice_hw * hw,struct ice_hw_func_caps * func_p,void * buf,u32 cap_count)2666 ice_parse_func_caps(struct ice_hw *hw, struct ice_hw_func_caps *func_p,
2667 		    void *buf, u32 cap_count)
2668 {
2669 	struct libie_aqc_list_caps_elem *cap_resp;
2670 	u32 i;
2671 
2672 	cap_resp = buf;
2673 
2674 	memset(func_p, 0, sizeof(*func_p));
2675 
2676 	for (i = 0; i < cap_count; i++) {
2677 		u16 cap = le16_to_cpu(cap_resp[i].cap);
2678 		bool found;
2679 
2680 		found = ice_parse_common_caps(hw, &func_p->common_cap,
2681 					      &cap_resp[i], "func caps");
2682 
2683 		switch (cap) {
2684 		case LIBIE_AQC_CAPS_VF:
2685 			ice_parse_vf_func_caps(hw, func_p, &cap_resp[i]);
2686 			break;
2687 		case LIBIE_AQC_CAPS_VSI:
2688 			ice_parse_vsi_func_caps(hw, func_p, &cap_resp[i]);
2689 			break;
2690 		case LIBIE_AQC_CAPS_1588:
2691 			ice_parse_1588_func_caps(hw, func_p, &cap_resp[i]);
2692 			break;
2693 		case LIBIE_AQC_CAPS_FD:
2694 			ice_parse_fdir_func_caps(hw, func_p);
2695 			break;
2696 		default:
2697 			/* Don't list common capabilities as unknown */
2698 			if (!found)
2699 				ice_debug(hw, ICE_DBG_INIT, "func caps: unknown capability[%d]: 0x%x\n",
2700 					  i, cap);
2701 			break;
2702 		}
2703 	}
2704 
2705 	ice_recalc_port_limited_caps(hw, &func_p->common_cap);
2706 }
2707 
2708 /**
2709  * ice_func_id_to_logical_id - map from function id to logical pf id
2710  * @active_function_bitmap: active function bitmap
2711  * @pf_id: function number of device
2712  *
2713  * Return: logical PF ID.
2714  */
ice_func_id_to_logical_id(u32 active_function_bitmap,u8 pf_id)2715 static int ice_func_id_to_logical_id(u32 active_function_bitmap, u8 pf_id)
2716 {
2717 	u8 logical_id = 0;
2718 	u8 i;
2719 
2720 	for (i = 0; i < pf_id; i++)
2721 		if (active_function_bitmap & BIT(i))
2722 			logical_id++;
2723 
2724 	return logical_id;
2725 }
2726 
2727 /**
2728  * ice_parse_valid_functions_cap - Parse ICE_AQC_CAPS_VALID_FUNCTIONS caps
2729  * @hw: pointer to the HW struct
2730  * @dev_p: pointer to device capabilities structure
2731  * @cap: capability element to parse
2732  *
2733  * Parse ICE_AQC_CAPS_VALID_FUNCTIONS for device capabilities.
2734  */
2735 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)2736 ice_parse_valid_functions_cap(struct ice_hw *hw, struct ice_hw_dev_caps *dev_p,
2737 			      struct libie_aqc_list_caps_elem *cap)
2738 {
2739 	u32 number = le32_to_cpu(cap->number);
2740 
2741 	dev_p->num_funcs = hweight32(number);
2742 	ice_debug(hw, ICE_DBG_INIT, "dev caps: num_funcs = %d\n",
2743 		  dev_p->num_funcs);
2744 
2745 	hw->logical_pf_id = ice_func_id_to_logical_id(number, hw->pf_id);
2746 }
2747 
2748 /**
2749  * ice_parse_vf_dev_caps - Parse ICE_AQC_CAPS_VF device caps
2750  * @hw: pointer to the HW struct
2751  * @dev_p: pointer to device capabilities structure
2752  * @cap: capability element to parse
2753  *
2754  * Parse ICE_AQC_CAPS_VF for device capabilities.
2755  */
2756 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)2757 ice_parse_vf_dev_caps(struct ice_hw *hw, struct ice_hw_dev_caps *dev_p,
2758 		      struct libie_aqc_list_caps_elem *cap)
2759 {
2760 	u32 number = le32_to_cpu(cap->number);
2761 
2762 	dev_p->num_vfs_exposed = number;
2763 	ice_debug(hw, ICE_DBG_INIT, "dev_caps: num_vfs_exposed = %d\n",
2764 		  dev_p->num_vfs_exposed);
2765 }
2766 
2767 /**
2768  * ice_parse_vsi_dev_caps - Parse ICE_AQC_CAPS_VSI device caps
2769  * @hw: pointer to the HW struct
2770  * @dev_p: pointer to device capabilities structure
2771  * @cap: capability element to parse
2772  *
2773  * Parse ICE_AQC_CAPS_VSI for device capabilities.
2774  */
2775 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)2776 ice_parse_vsi_dev_caps(struct ice_hw *hw, struct ice_hw_dev_caps *dev_p,
2777 		       struct libie_aqc_list_caps_elem *cap)
2778 {
2779 	u32 number = le32_to_cpu(cap->number);
2780 
2781 	dev_p->num_vsi_allocd_to_host = number;
2782 	ice_debug(hw, ICE_DBG_INIT, "dev caps: num_vsi_allocd_to_host = %d\n",
2783 		  dev_p->num_vsi_allocd_to_host);
2784 }
2785 
2786 /**
2787  * ice_parse_1588_dev_caps - Parse ICE_AQC_CAPS_1588 device caps
2788  * @hw: pointer to the HW struct
2789  * @dev_p: pointer to device capabilities structure
2790  * @cap: capability element to parse
2791  *
2792  * Parse ICE_AQC_CAPS_1588 for device capabilities.
2793  */
2794 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)2795 ice_parse_1588_dev_caps(struct ice_hw *hw, struct ice_hw_dev_caps *dev_p,
2796 			struct libie_aqc_list_caps_elem *cap)
2797 {
2798 	struct ice_ts_dev_info *info = &dev_p->ts_dev_info;
2799 	u32 logical_id = le32_to_cpu(cap->logical_id);
2800 	u32 phys_id = le32_to_cpu(cap->phys_id);
2801 	u32 number = le32_to_cpu(cap->number);
2802 
2803 	info->ena = ((number & ICE_TS_DEV_ENA_M) != 0);
2804 	dev_p->common_cap.ieee_1588 = info->ena;
2805 
2806 	info->tmr0_owner = number & ICE_TS_TMR0_OWNR_M;
2807 	info->tmr0_owned = ((number & ICE_TS_TMR0_OWND_M) != 0);
2808 	info->tmr0_ena = ((number & ICE_TS_TMR0_ENA_M) != 0);
2809 
2810 	info->tmr1_owner = FIELD_GET(ICE_TS_TMR1_OWNR_M, number);
2811 	info->tmr1_owned = ((number & ICE_TS_TMR1_OWND_M) != 0);
2812 	info->tmr1_ena = ((number & ICE_TS_TMR1_ENA_M) != 0);
2813 
2814 	info->ts_ll_read = ((number & ICE_TS_LL_TX_TS_READ_M) != 0);
2815 	info->ts_ll_int_read = ((number & ICE_TS_LL_TX_TS_INT_READ_M) != 0);
2816 	info->ll_phy_tmr_update = ((number & ICE_TS_LL_PHY_TMR_UPDATE_M) != 0);
2817 
2818 	info->ena_ports = logical_id;
2819 	info->tmr_own_map = phys_id;
2820 
2821 	ice_debug(hw, ICE_DBG_INIT, "dev caps: ieee_1588 = %u\n",
2822 		  dev_p->common_cap.ieee_1588);
2823 	ice_debug(hw, ICE_DBG_INIT, "dev caps: tmr0_owner = %u\n",
2824 		  info->tmr0_owner);
2825 	ice_debug(hw, ICE_DBG_INIT, "dev caps: tmr0_owned = %u\n",
2826 		  info->tmr0_owned);
2827 	ice_debug(hw, ICE_DBG_INIT, "dev caps: tmr0_ena = %u\n",
2828 		  info->tmr0_ena);
2829 	ice_debug(hw, ICE_DBG_INIT, "dev caps: tmr1_owner = %u\n",
2830 		  info->tmr1_owner);
2831 	ice_debug(hw, ICE_DBG_INIT, "dev caps: tmr1_owned = %u\n",
2832 		  info->tmr1_owned);
2833 	ice_debug(hw, ICE_DBG_INIT, "dev caps: tmr1_ena = %u\n",
2834 		  info->tmr1_ena);
2835 	ice_debug(hw, ICE_DBG_INIT, "dev caps: ts_ll_read = %u\n",
2836 		  info->ts_ll_read);
2837 	ice_debug(hw, ICE_DBG_INIT, "dev caps: ts_ll_int_read = %u\n",
2838 		  info->ts_ll_int_read);
2839 	ice_debug(hw, ICE_DBG_INIT, "dev caps: ll_phy_tmr_update = %u\n",
2840 		  info->ll_phy_tmr_update);
2841 	ice_debug(hw, ICE_DBG_INIT, "dev caps: ieee_1588 ena_ports = %u\n",
2842 		  info->ena_ports);
2843 	ice_debug(hw, ICE_DBG_INIT, "dev caps: tmr_own_map = %u\n",
2844 		  info->tmr_own_map);
2845 }
2846 
2847 /**
2848  * ice_parse_fdir_dev_caps - Parse ICE_AQC_CAPS_FD device caps
2849  * @hw: pointer to the HW struct
2850  * @dev_p: pointer to device capabilities structure
2851  * @cap: capability element to parse
2852  *
2853  * Parse ICE_AQC_CAPS_FD for device capabilities.
2854  */
2855 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)2856 ice_parse_fdir_dev_caps(struct ice_hw *hw, struct ice_hw_dev_caps *dev_p,
2857 			struct libie_aqc_list_caps_elem *cap)
2858 {
2859 	u32 number = le32_to_cpu(cap->number);
2860 
2861 	dev_p->num_flow_director_fltr = number;
2862 	ice_debug(hw, ICE_DBG_INIT, "dev caps: num_flow_director_fltr = %d\n",
2863 		  dev_p->num_flow_director_fltr);
2864 }
2865 
2866 /**
2867  * ice_parse_sensor_reading_cap - Parse ICE_AQC_CAPS_SENSOR_READING cap
2868  * @hw: pointer to the HW struct
2869  * @dev_p: pointer to device capabilities structure
2870  * @cap: capability element to parse
2871  *
2872  * Parse ICE_AQC_CAPS_SENSOR_READING for device capability for reading
2873  * enabled sensors.
2874  */
2875 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)2876 ice_parse_sensor_reading_cap(struct ice_hw *hw, struct ice_hw_dev_caps *dev_p,
2877 			     struct libie_aqc_list_caps_elem *cap)
2878 {
2879 	dev_p->supported_sensors = le32_to_cpu(cap->number);
2880 
2881 	ice_debug(hw, ICE_DBG_INIT,
2882 		  "dev caps: supported sensors (bitmap) = 0x%x\n",
2883 		  dev_p->supported_sensors);
2884 }
2885 
2886 /**
2887  * ice_parse_nac_topo_dev_caps - Parse ICE_AQC_CAPS_NAC_TOPOLOGY cap
2888  * @hw: pointer to the HW struct
2889  * @dev_p: pointer to device capabilities structure
2890  * @cap: capability element to parse
2891  *
2892  * Parse ICE_AQC_CAPS_NAC_TOPOLOGY for device capabilities.
2893  */
ice_parse_nac_topo_dev_caps(struct ice_hw * hw,struct ice_hw_dev_caps * dev_p,struct libie_aqc_list_caps_elem * cap)2894 static void ice_parse_nac_topo_dev_caps(struct ice_hw *hw,
2895 					struct ice_hw_dev_caps *dev_p,
2896 					struct libie_aqc_list_caps_elem *cap)
2897 {
2898 	dev_p->nac_topo.mode = le32_to_cpu(cap->number);
2899 	dev_p->nac_topo.id = le32_to_cpu(cap->phys_id) & ICE_NAC_TOPO_ID_M;
2900 
2901 	dev_info(ice_hw_to_dev(hw),
2902 		 "PF is configured in %s mode with IP instance ID %d\n",
2903 		 (dev_p->nac_topo.mode & ICE_NAC_TOPO_PRIMARY_M) ?
2904 		 "primary" : "secondary", dev_p->nac_topo.id);
2905 
2906 	ice_debug(hw, ICE_DBG_INIT, "dev caps: nac topology is_primary = %d\n",
2907 		  !!(dev_p->nac_topo.mode & ICE_NAC_TOPO_PRIMARY_M));
2908 	ice_debug(hw, ICE_DBG_INIT, "dev caps: nac topology is_dual = %d\n",
2909 		  !!(dev_p->nac_topo.mode & ICE_NAC_TOPO_DUAL_M));
2910 	ice_debug(hw, ICE_DBG_INIT, "dev caps: nac topology id = %d\n",
2911 		  dev_p->nac_topo.id);
2912 }
2913 
2914 /**
2915  * ice_parse_dev_caps - Parse device capabilities
2916  * @hw: pointer to the HW struct
2917  * @dev_p: pointer to device capabilities structure
2918  * @buf: buffer containing the device capability records
2919  * @cap_count: the number of capabilities
2920  *
2921  * Helper device to parse device (0x000B) capabilities list. For
2922  * capabilities shared between device and function, this relies on
2923  * ice_parse_common_caps.
2924  *
2925  * Loop through the list of provided capabilities and extract the relevant
2926  * data into the device capabilities structured.
2927  */
2928 static void
ice_parse_dev_caps(struct ice_hw * hw,struct ice_hw_dev_caps * dev_p,void * buf,u32 cap_count)2929 ice_parse_dev_caps(struct ice_hw *hw, struct ice_hw_dev_caps *dev_p,
2930 		   void *buf, u32 cap_count)
2931 {
2932 	struct libie_aqc_list_caps_elem *cap_resp;
2933 	u32 i;
2934 
2935 	cap_resp = buf;
2936 
2937 	memset(dev_p, 0, sizeof(*dev_p));
2938 
2939 	for (i = 0; i < cap_count; i++) {
2940 		u16 cap = le16_to_cpu(cap_resp[i].cap);
2941 		bool found;
2942 
2943 		found = ice_parse_common_caps(hw, &dev_p->common_cap,
2944 					      &cap_resp[i], "dev caps");
2945 
2946 		switch (cap) {
2947 		case LIBIE_AQC_CAPS_VALID_FUNCTIONS:
2948 			ice_parse_valid_functions_cap(hw, dev_p, &cap_resp[i]);
2949 			break;
2950 		case LIBIE_AQC_CAPS_VF:
2951 			ice_parse_vf_dev_caps(hw, dev_p, &cap_resp[i]);
2952 			break;
2953 		case LIBIE_AQC_CAPS_VSI:
2954 			ice_parse_vsi_dev_caps(hw, dev_p, &cap_resp[i]);
2955 			break;
2956 		case LIBIE_AQC_CAPS_1588:
2957 			ice_parse_1588_dev_caps(hw, dev_p, &cap_resp[i]);
2958 			break;
2959 		case LIBIE_AQC_CAPS_FD:
2960 			ice_parse_fdir_dev_caps(hw, dev_p, &cap_resp[i]);
2961 			break;
2962 		case LIBIE_AQC_CAPS_SENSOR_READING:
2963 			ice_parse_sensor_reading_cap(hw, dev_p, &cap_resp[i]);
2964 			break;
2965 		case LIBIE_AQC_CAPS_NAC_TOPOLOGY:
2966 			ice_parse_nac_topo_dev_caps(hw, dev_p, &cap_resp[i]);
2967 			break;
2968 		default:
2969 			/* Don't list common capabilities as unknown */
2970 			if (!found)
2971 				ice_debug(hw, ICE_DBG_INIT, "dev caps: unknown capability[%d]: 0x%x\n",
2972 					  i, cap);
2973 			break;
2974 		}
2975 	}
2976 
2977 	ice_recalc_port_limited_caps(hw, &dev_p->common_cap);
2978 }
2979 
2980 /**
2981  * ice_is_phy_rclk_in_netlist
2982  * @hw: pointer to the hw struct
2983  *
2984  * Check if the PHY Recovered Clock device is present in the netlist
2985  */
ice_is_phy_rclk_in_netlist(struct ice_hw * hw)2986 bool ice_is_phy_rclk_in_netlist(struct ice_hw *hw)
2987 {
2988 	if (ice_find_netlist_node(hw, ICE_AQC_LINK_TOPO_NODE_TYPE_PHY,
2989 				  ICE_AQC_LINK_TOPO_NODE_CTX_PORT,
2990 				  ICE_AQC_GET_LINK_TOPO_NODE_NR_C827, NULL) &&
2991 	    ice_find_netlist_node(hw, ICE_AQC_LINK_TOPO_NODE_TYPE_PHY,
2992 				  ICE_AQC_LINK_TOPO_NODE_CTX_PORT,
2993 				  ICE_AQC_GET_LINK_TOPO_NODE_NR_E822_PHY, NULL))
2994 		return false;
2995 
2996 	return true;
2997 }
2998 
2999 /**
3000  * ice_is_clock_mux_in_netlist
3001  * @hw: pointer to the hw struct
3002  *
3003  * Check if the Clock Multiplexer device is present in the netlist
3004  */
ice_is_clock_mux_in_netlist(struct ice_hw * hw)3005 bool ice_is_clock_mux_in_netlist(struct ice_hw *hw)
3006 {
3007 	if (ice_find_netlist_node(hw, ICE_AQC_LINK_TOPO_NODE_TYPE_CLK_MUX,
3008 				  ICE_AQC_LINK_TOPO_NODE_CTX_GLOBAL,
3009 				  ICE_AQC_GET_LINK_TOPO_NODE_NR_GEN_CLK_MUX,
3010 				  NULL))
3011 		return false;
3012 
3013 	return true;
3014 }
3015 
3016 /**
3017  * ice_is_cgu_in_netlist - check for CGU presence
3018  * @hw: pointer to the hw struct
3019  *
3020  * Check if the Clock Generation Unit (CGU) device is present in the netlist.
3021  * Save the CGU part number in the hw structure for later use.
3022  * Return:
3023  * * true - cgu is present
3024  * * false - cgu is not present
3025  */
ice_is_cgu_in_netlist(struct ice_hw * hw)3026 bool ice_is_cgu_in_netlist(struct ice_hw *hw)
3027 {
3028 	if (!ice_find_netlist_node(hw, ICE_AQC_LINK_TOPO_NODE_TYPE_CLK_CTRL,
3029 				   ICE_AQC_LINK_TOPO_NODE_CTX_GLOBAL,
3030 				   ICE_AQC_GET_LINK_TOPO_NODE_NR_ZL30632_80032,
3031 				   NULL)) {
3032 		hw->cgu_part_number = ICE_AQC_GET_LINK_TOPO_NODE_NR_ZL30632_80032;
3033 		return true;
3034 	} else if (!ice_find_netlist_node(hw,
3035 					  ICE_AQC_LINK_TOPO_NODE_TYPE_CLK_CTRL,
3036 					  ICE_AQC_LINK_TOPO_NODE_CTX_GLOBAL,
3037 					  ICE_AQC_GET_LINK_TOPO_NODE_NR_SI5383_5384,
3038 					  NULL)) {
3039 		hw->cgu_part_number = ICE_AQC_GET_LINK_TOPO_NODE_NR_SI5383_5384;
3040 		return true;
3041 	}
3042 
3043 	return false;
3044 }
3045 
3046 /**
3047  * ice_is_gps_in_netlist
3048  * @hw: pointer to the hw struct
3049  *
3050  * Check if the GPS generic device is present in the netlist
3051  */
ice_is_gps_in_netlist(struct ice_hw * hw)3052 bool ice_is_gps_in_netlist(struct ice_hw *hw)
3053 {
3054 	if (ice_find_netlist_node(hw, ICE_AQC_LINK_TOPO_NODE_TYPE_GPS,
3055 				  ICE_AQC_LINK_TOPO_NODE_CTX_GLOBAL,
3056 				  ICE_AQC_GET_LINK_TOPO_NODE_NR_GEN_GPS, NULL))
3057 		return false;
3058 
3059 	return true;
3060 }
3061 
3062 /**
3063  * ice_aq_list_caps - query function/device capabilities
3064  * @hw: pointer to the HW struct
3065  * @buf: a buffer to hold the capabilities
3066  * @buf_size: size of the buffer
3067  * @cap_count: if not NULL, set to the number of capabilities reported
3068  * @opc: capabilities type to discover, device or function
3069  * @cd: pointer to command details structure or NULL
3070  *
3071  * Get the function (0x000A) or device (0x000B) capabilities description from
3072  * firmware and store it in the buffer.
3073  *
3074  * If the cap_count pointer is not NULL, then it is set to the number of
3075  * capabilities firmware will report. Note that if the buffer size is too
3076  * small, it is possible the command will return ICE_AQ_ERR_ENOMEM. The
3077  * cap_count will still be updated in this case. It is recommended that the
3078  * buffer size be set to ICE_AQ_MAX_BUF_LEN (the largest possible buffer that
3079  * firmware could return) to avoid this.
3080  */
3081 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)3082 ice_aq_list_caps(struct ice_hw *hw, void *buf, u16 buf_size, u32 *cap_count,
3083 		 enum ice_adminq_opc opc, struct ice_sq_cd *cd)
3084 {
3085 	struct libie_aqc_list_caps *cmd;
3086 	struct libie_aq_desc desc;
3087 	int status;
3088 
3089 	cmd = &desc.params.get_cap;
3090 
3091 	if (opc != ice_aqc_opc_list_func_caps &&
3092 	    opc != ice_aqc_opc_list_dev_caps)
3093 		return -EINVAL;
3094 
3095 	ice_fill_dflt_direct_cmd_desc(&desc, opc);
3096 	status = ice_aq_send_cmd(hw, &desc, buf, buf_size, cd);
3097 
3098 	if (cap_count)
3099 		*cap_count = le32_to_cpu(cmd->count);
3100 
3101 	return status;
3102 }
3103 
3104 /**
3105  * ice_discover_dev_caps - Read and extract device capabilities
3106  * @hw: pointer to the hardware structure
3107  * @dev_caps: pointer to device capabilities structure
3108  *
3109  * Read the device capabilities and extract them into the dev_caps structure
3110  * for later use.
3111  */
3112 int
ice_discover_dev_caps(struct ice_hw * hw,struct ice_hw_dev_caps * dev_caps)3113 ice_discover_dev_caps(struct ice_hw *hw, struct ice_hw_dev_caps *dev_caps)
3114 {
3115 	u32 cap_count = 0;
3116 	void *cbuf;
3117 	int status;
3118 
3119 	cbuf = kzalloc(ICE_AQ_MAX_BUF_LEN, GFP_KERNEL);
3120 	if (!cbuf)
3121 		return -ENOMEM;
3122 
3123 	/* Although the driver doesn't know the number of capabilities the
3124 	 * device will return, we can simply send a 4KB buffer, the maximum
3125 	 * possible size that firmware can return.
3126 	 */
3127 	cap_count = ICE_AQ_MAX_BUF_LEN / sizeof(struct libie_aqc_list_caps_elem);
3128 
3129 	status = ice_aq_list_caps(hw, cbuf, ICE_AQ_MAX_BUF_LEN, &cap_count,
3130 				  ice_aqc_opc_list_dev_caps, NULL);
3131 	if (!status)
3132 		ice_parse_dev_caps(hw, dev_caps, cbuf, cap_count);
3133 	kfree(cbuf);
3134 
3135 	return status;
3136 }
3137 
3138 /**
3139  * ice_discover_func_caps - Read and extract function capabilities
3140  * @hw: pointer to the hardware structure
3141  * @func_caps: pointer to function capabilities structure
3142  *
3143  * Read the function capabilities and extract them into the func_caps structure
3144  * for later use.
3145  */
3146 static int
ice_discover_func_caps(struct ice_hw * hw,struct ice_hw_func_caps * func_caps)3147 ice_discover_func_caps(struct ice_hw *hw, struct ice_hw_func_caps *func_caps)
3148 {
3149 	u32 cap_count = 0;
3150 	void *cbuf;
3151 	int status;
3152 
3153 	cbuf = kzalloc(ICE_AQ_MAX_BUF_LEN, GFP_KERNEL);
3154 	if (!cbuf)
3155 		return -ENOMEM;
3156 
3157 	/* Although the driver doesn't know the number of capabilities the
3158 	 * device will return, we can simply send a 4KB buffer, the maximum
3159 	 * possible size that firmware can return.
3160 	 */
3161 	cap_count = ICE_AQ_MAX_BUF_LEN / sizeof(struct libie_aqc_list_caps_elem);
3162 
3163 	status = ice_aq_list_caps(hw, cbuf, ICE_AQ_MAX_BUF_LEN, &cap_count,
3164 				  ice_aqc_opc_list_func_caps, NULL);
3165 	if (!status)
3166 		ice_parse_func_caps(hw, func_caps, cbuf, cap_count);
3167 	kfree(cbuf);
3168 
3169 	return status;
3170 }
3171 
3172 /**
3173  * ice_set_safe_mode_caps - Override dev/func capabilities when in safe mode
3174  * @hw: pointer to the hardware structure
3175  */
ice_set_safe_mode_caps(struct ice_hw * hw)3176 void ice_set_safe_mode_caps(struct ice_hw *hw)
3177 {
3178 	struct ice_hw_func_caps *func_caps = &hw->func_caps;
3179 	struct ice_hw_dev_caps *dev_caps = &hw->dev_caps;
3180 	struct ice_hw_common_caps cached_caps;
3181 	u32 num_funcs;
3182 
3183 	/* cache some func_caps values that should be restored after memset */
3184 	cached_caps = func_caps->common_cap;
3185 
3186 	/* unset func capabilities */
3187 	memset(func_caps, 0, sizeof(*func_caps));
3188 
3189 #define ICE_RESTORE_FUNC_CAP(name) \
3190 	func_caps->common_cap.name = cached_caps.name
3191 
3192 	/* restore cached values */
3193 	ICE_RESTORE_FUNC_CAP(valid_functions);
3194 	ICE_RESTORE_FUNC_CAP(txq_first_id);
3195 	ICE_RESTORE_FUNC_CAP(rxq_first_id);
3196 	ICE_RESTORE_FUNC_CAP(msix_vector_first_id);
3197 	ICE_RESTORE_FUNC_CAP(max_mtu);
3198 	ICE_RESTORE_FUNC_CAP(nvm_unified_update);
3199 	ICE_RESTORE_FUNC_CAP(nvm_update_pending_nvm);
3200 	ICE_RESTORE_FUNC_CAP(nvm_update_pending_orom);
3201 	ICE_RESTORE_FUNC_CAP(nvm_update_pending_netlist);
3202 
3203 	/* one Tx and one Rx queue in safe mode */
3204 	func_caps->common_cap.num_rxq = 1;
3205 	func_caps->common_cap.num_txq = 1;
3206 
3207 	/* two MSIX vectors, one for traffic and one for misc causes */
3208 	func_caps->common_cap.num_msix_vectors = 2;
3209 	func_caps->guar_num_vsi = 1;
3210 
3211 	/* cache some dev_caps values that should be restored after memset */
3212 	cached_caps = dev_caps->common_cap;
3213 	num_funcs = dev_caps->num_funcs;
3214 
3215 	/* unset dev capabilities */
3216 	memset(dev_caps, 0, sizeof(*dev_caps));
3217 
3218 #define ICE_RESTORE_DEV_CAP(name) \
3219 	dev_caps->common_cap.name = cached_caps.name
3220 
3221 	/* restore cached values */
3222 	ICE_RESTORE_DEV_CAP(valid_functions);
3223 	ICE_RESTORE_DEV_CAP(txq_first_id);
3224 	ICE_RESTORE_DEV_CAP(rxq_first_id);
3225 	ICE_RESTORE_DEV_CAP(msix_vector_first_id);
3226 	ICE_RESTORE_DEV_CAP(max_mtu);
3227 	ICE_RESTORE_DEV_CAP(nvm_unified_update);
3228 	ICE_RESTORE_DEV_CAP(nvm_update_pending_nvm);
3229 	ICE_RESTORE_DEV_CAP(nvm_update_pending_orom);
3230 	ICE_RESTORE_DEV_CAP(nvm_update_pending_netlist);
3231 	dev_caps->num_funcs = num_funcs;
3232 
3233 	/* one Tx and one Rx queue per function in safe mode */
3234 	dev_caps->common_cap.num_rxq = num_funcs;
3235 	dev_caps->common_cap.num_txq = num_funcs;
3236 
3237 	/* two MSIX vectors per function */
3238 	dev_caps->common_cap.num_msix_vectors = 2 * num_funcs;
3239 }
3240 
3241 /**
3242  * ice_get_caps - get info about the HW
3243  * @hw: pointer to the hardware structure
3244  */
ice_get_caps(struct ice_hw * hw)3245 int ice_get_caps(struct ice_hw *hw)
3246 {
3247 	int status;
3248 
3249 	status = ice_discover_dev_caps(hw, &hw->dev_caps);
3250 	if (status)
3251 		return status;
3252 
3253 	return ice_discover_func_caps(hw, &hw->func_caps);
3254 }
3255 
3256 /**
3257  * ice_aq_manage_mac_write - manage MAC address write command
3258  * @hw: pointer to the HW struct
3259  * @mac_addr: MAC address to be written as LAA/LAA+WoL/Port address
3260  * @flags: flags to control write behavior
3261  * @cd: pointer to command details structure or NULL
3262  *
3263  * This function is used to write MAC address to the NVM (0x0108).
3264  */
3265 int
ice_aq_manage_mac_write(struct ice_hw * hw,const u8 * mac_addr,u8 flags,struct ice_sq_cd * cd)3266 ice_aq_manage_mac_write(struct ice_hw *hw, const u8 *mac_addr, u8 flags,
3267 			struct ice_sq_cd *cd)
3268 {
3269 	struct ice_aqc_manage_mac_write *cmd;
3270 	struct libie_aq_desc desc;
3271 
3272 	cmd = libie_aq_raw(&desc);
3273 	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_manage_mac_write);
3274 
3275 	cmd->flags = flags;
3276 	ether_addr_copy(cmd->mac_addr, mac_addr);
3277 
3278 	return ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
3279 }
3280 
3281 /**
3282  * ice_aq_clear_pxe_mode
3283  * @hw: pointer to the HW struct
3284  *
3285  * Tell the firmware that the driver is taking over from PXE (0x0110).
3286  */
ice_aq_clear_pxe_mode(struct ice_hw * hw)3287 static int ice_aq_clear_pxe_mode(struct ice_hw *hw)
3288 {
3289 	struct ice_aqc_clear_pxe *cmd;
3290 	struct libie_aq_desc desc;
3291 
3292 	cmd = libie_aq_raw(&desc);
3293 	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_clear_pxe_mode);
3294 	cmd->rx_cnt = ICE_AQC_CLEAR_PXE_RX_CNT;
3295 
3296 	return ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
3297 }
3298 
3299 /**
3300  * ice_clear_pxe_mode - clear pxe operations mode
3301  * @hw: pointer to the HW struct
3302  *
3303  * Make sure all PXE mode settings are cleared, including things
3304  * like descriptor fetch/write-back mode.
3305  */
ice_clear_pxe_mode(struct ice_hw * hw)3306 void ice_clear_pxe_mode(struct ice_hw *hw)
3307 {
3308 	if (ice_check_sq_alive(hw, &hw->adminq))
3309 		ice_aq_clear_pxe_mode(hw);
3310 }
3311 
3312 /**
3313  * ice_aq_set_port_params - set physical port parameters.
3314  * @pi: pointer to the port info struct
3315  * @double_vlan: if set double VLAN is enabled
3316  * @cd: pointer to command details structure or NULL
3317  *
3318  * Set Physical port parameters (0x0203)
3319  */
3320 int
ice_aq_set_port_params(struct ice_port_info * pi,bool double_vlan,struct ice_sq_cd * cd)3321 ice_aq_set_port_params(struct ice_port_info *pi, bool double_vlan,
3322 		       struct ice_sq_cd *cd)
3323 
3324 {
3325 	struct ice_aqc_set_port_params *cmd;
3326 	struct ice_hw *hw = pi->hw;
3327 	struct libie_aq_desc desc;
3328 	u16 cmd_flags = 0;
3329 
3330 	cmd = libie_aq_raw(&desc);
3331 
3332 	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_port_params);
3333 	if (double_vlan)
3334 		cmd_flags |= ICE_AQC_SET_P_PARAMS_DOUBLE_VLAN_ENA;
3335 	cmd->cmd_flags = cpu_to_le16(cmd_flags);
3336 
3337 	cmd->local_fwd_mode = pi->local_fwd_mode |
3338 				ICE_AQC_SET_P_PARAMS_LOCAL_FWD_MODE_VALID;
3339 
3340 	return ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
3341 }
3342 
3343 /**
3344  * ice_is_100m_speed_supported
3345  * @hw: pointer to the HW struct
3346  *
3347  * returns true if 100M speeds are supported by the device,
3348  * false otherwise.
3349  */
ice_is_100m_speed_supported(struct ice_hw * hw)3350 bool ice_is_100m_speed_supported(struct ice_hw *hw)
3351 {
3352 	switch (hw->device_id) {
3353 	case ICE_DEV_ID_E822C_SGMII:
3354 	case ICE_DEV_ID_E822L_SGMII:
3355 	case ICE_DEV_ID_E823L_1GBE:
3356 	case ICE_DEV_ID_E823C_SGMII:
3357 	case ICE_DEV_ID_E825C_SGMII:
3358 		return true;
3359 	default:
3360 		return false;
3361 	}
3362 }
3363 
3364 /**
3365  * ice_get_link_speed_based_on_phy_type - returns link speed
3366  * @phy_type_low: lower part of phy_type
3367  * @phy_type_high: higher part of phy_type
3368  *
3369  * This helper function will convert an entry in PHY type structure
3370  * [phy_type_low, phy_type_high] to its corresponding link speed.
3371  * Note: In the structure of [phy_type_low, phy_type_high], there should
3372  * be one bit set, as this function will convert one PHY type to its
3373  * speed.
3374  *
3375  * Return:
3376  * * PHY speed for recognized PHY type
3377  * * If no bit gets set, ICE_AQ_LINK_SPEED_UNKNOWN will be returned
3378  * * If more than one bit gets set, ICE_AQ_LINK_SPEED_UNKNOWN will be returned
3379  */
ice_get_link_speed_based_on_phy_type(u64 phy_type_low,u64 phy_type_high)3380 u16 ice_get_link_speed_based_on_phy_type(u64 phy_type_low, u64 phy_type_high)
3381 {
3382 	u16 speed_phy_type_high = ICE_AQ_LINK_SPEED_UNKNOWN;
3383 	u16 speed_phy_type_low = ICE_AQ_LINK_SPEED_UNKNOWN;
3384 
3385 	switch (phy_type_low) {
3386 	case ICE_PHY_TYPE_LOW_100BASE_TX:
3387 	case ICE_PHY_TYPE_LOW_100M_SGMII:
3388 		speed_phy_type_low = ICE_AQ_LINK_SPEED_100MB;
3389 		break;
3390 	case ICE_PHY_TYPE_LOW_1000BASE_T:
3391 	case ICE_PHY_TYPE_LOW_1000BASE_SX:
3392 	case ICE_PHY_TYPE_LOW_1000BASE_LX:
3393 	case ICE_PHY_TYPE_LOW_1000BASE_KX:
3394 	case ICE_PHY_TYPE_LOW_1G_SGMII:
3395 		speed_phy_type_low = ICE_AQ_LINK_SPEED_1000MB;
3396 		break;
3397 	case ICE_PHY_TYPE_LOW_2500BASE_T:
3398 	case ICE_PHY_TYPE_LOW_2500BASE_X:
3399 	case ICE_PHY_TYPE_LOW_2500BASE_KX:
3400 		speed_phy_type_low = ICE_AQ_LINK_SPEED_2500MB;
3401 		break;
3402 	case ICE_PHY_TYPE_LOW_5GBASE_T:
3403 	case ICE_PHY_TYPE_LOW_5GBASE_KR:
3404 		speed_phy_type_low = ICE_AQ_LINK_SPEED_5GB;
3405 		break;
3406 	case ICE_PHY_TYPE_LOW_10GBASE_T:
3407 	case ICE_PHY_TYPE_LOW_10G_SFI_DA:
3408 	case ICE_PHY_TYPE_LOW_10GBASE_SR:
3409 	case ICE_PHY_TYPE_LOW_10GBASE_LR:
3410 	case ICE_PHY_TYPE_LOW_10GBASE_KR_CR1:
3411 	case ICE_PHY_TYPE_LOW_10G_SFI_AOC_ACC:
3412 	case ICE_PHY_TYPE_LOW_10G_SFI_C2C:
3413 		speed_phy_type_low = ICE_AQ_LINK_SPEED_10GB;
3414 		break;
3415 	case ICE_PHY_TYPE_LOW_25GBASE_T:
3416 	case ICE_PHY_TYPE_LOW_25GBASE_CR:
3417 	case ICE_PHY_TYPE_LOW_25GBASE_CR_S:
3418 	case ICE_PHY_TYPE_LOW_25GBASE_CR1:
3419 	case ICE_PHY_TYPE_LOW_25GBASE_SR:
3420 	case ICE_PHY_TYPE_LOW_25GBASE_LR:
3421 	case ICE_PHY_TYPE_LOW_25GBASE_KR:
3422 	case ICE_PHY_TYPE_LOW_25GBASE_KR_S:
3423 	case ICE_PHY_TYPE_LOW_25GBASE_KR1:
3424 	case ICE_PHY_TYPE_LOW_25G_AUI_AOC_ACC:
3425 	case ICE_PHY_TYPE_LOW_25G_AUI_C2C:
3426 		speed_phy_type_low = ICE_AQ_LINK_SPEED_25GB;
3427 		break;
3428 	case ICE_PHY_TYPE_LOW_40GBASE_CR4:
3429 	case ICE_PHY_TYPE_LOW_40GBASE_SR4:
3430 	case ICE_PHY_TYPE_LOW_40GBASE_LR4:
3431 	case ICE_PHY_TYPE_LOW_40GBASE_KR4:
3432 	case ICE_PHY_TYPE_LOW_40G_XLAUI_AOC_ACC:
3433 	case ICE_PHY_TYPE_LOW_40G_XLAUI:
3434 		speed_phy_type_low = ICE_AQ_LINK_SPEED_40GB;
3435 		break;
3436 	case ICE_PHY_TYPE_LOW_50GBASE_CR2:
3437 	case ICE_PHY_TYPE_LOW_50GBASE_SR2:
3438 	case ICE_PHY_TYPE_LOW_50GBASE_LR2:
3439 	case ICE_PHY_TYPE_LOW_50GBASE_KR2:
3440 	case ICE_PHY_TYPE_LOW_50G_LAUI2_AOC_ACC:
3441 	case ICE_PHY_TYPE_LOW_50G_LAUI2:
3442 	case ICE_PHY_TYPE_LOW_50G_AUI2_AOC_ACC:
3443 	case ICE_PHY_TYPE_LOW_50G_AUI2:
3444 	case ICE_PHY_TYPE_LOW_50GBASE_CP:
3445 	case ICE_PHY_TYPE_LOW_50GBASE_SR:
3446 	case ICE_PHY_TYPE_LOW_50GBASE_FR:
3447 	case ICE_PHY_TYPE_LOW_50GBASE_LR:
3448 	case ICE_PHY_TYPE_LOW_50GBASE_KR_PAM4:
3449 	case ICE_PHY_TYPE_LOW_50G_AUI1_AOC_ACC:
3450 	case ICE_PHY_TYPE_LOW_50G_AUI1:
3451 		speed_phy_type_low = ICE_AQ_LINK_SPEED_50GB;
3452 		break;
3453 	case ICE_PHY_TYPE_LOW_100GBASE_CR4:
3454 	case ICE_PHY_TYPE_LOW_100GBASE_SR4:
3455 	case ICE_PHY_TYPE_LOW_100GBASE_LR4:
3456 	case ICE_PHY_TYPE_LOW_100GBASE_KR4:
3457 	case ICE_PHY_TYPE_LOW_100G_CAUI4_AOC_ACC:
3458 	case ICE_PHY_TYPE_LOW_100G_CAUI4:
3459 	case ICE_PHY_TYPE_LOW_100G_AUI4_AOC_ACC:
3460 	case ICE_PHY_TYPE_LOW_100G_AUI4:
3461 	case ICE_PHY_TYPE_LOW_100GBASE_CR_PAM4:
3462 	case ICE_PHY_TYPE_LOW_100GBASE_KR_PAM4:
3463 	case ICE_PHY_TYPE_LOW_100GBASE_CP2:
3464 	case ICE_PHY_TYPE_LOW_100GBASE_SR2:
3465 	case ICE_PHY_TYPE_LOW_100GBASE_DR:
3466 		speed_phy_type_low = ICE_AQ_LINK_SPEED_100GB;
3467 		break;
3468 	default:
3469 		speed_phy_type_low = ICE_AQ_LINK_SPEED_UNKNOWN;
3470 		break;
3471 	}
3472 
3473 	switch (phy_type_high) {
3474 	case ICE_PHY_TYPE_HIGH_100GBASE_KR2_PAM4:
3475 	case ICE_PHY_TYPE_HIGH_100G_CAUI2_AOC_ACC:
3476 	case ICE_PHY_TYPE_HIGH_100G_CAUI2:
3477 	case ICE_PHY_TYPE_HIGH_100G_AUI2_AOC_ACC:
3478 	case ICE_PHY_TYPE_HIGH_100G_AUI2:
3479 		speed_phy_type_high = ICE_AQ_LINK_SPEED_100GB;
3480 		break;
3481 	case ICE_PHY_TYPE_HIGH_200G_CR4_PAM4:
3482 	case ICE_PHY_TYPE_HIGH_200G_SR4:
3483 	case ICE_PHY_TYPE_HIGH_200G_FR4:
3484 	case ICE_PHY_TYPE_HIGH_200G_LR4:
3485 	case ICE_PHY_TYPE_HIGH_200G_DR4:
3486 	case ICE_PHY_TYPE_HIGH_200G_KR4_PAM4:
3487 	case ICE_PHY_TYPE_HIGH_200G_AUI4_AOC_ACC:
3488 	case ICE_PHY_TYPE_HIGH_200G_AUI4:
3489 		speed_phy_type_high = ICE_AQ_LINK_SPEED_200GB;
3490 		break;
3491 	default:
3492 		speed_phy_type_high = ICE_AQ_LINK_SPEED_UNKNOWN;
3493 		break;
3494 	}
3495 
3496 	if (speed_phy_type_low == ICE_AQ_LINK_SPEED_UNKNOWN &&
3497 	    speed_phy_type_high == ICE_AQ_LINK_SPEED_UNKNOWN)
3498 		return ICE_AQ_LINK_SPEED_UNKNOWN;
3499 	else if (speed_phy_type_low != ICE_AQ_LINK_SPEED_UNKNOWN &&
3500 		 speed_phy_type_high != ICE_AQ_LINK_SPEED_UNKNOWN)
3501 		return ICE_AQ_LINK_SPEED_UNKNOWN;
3502 	else if (speed_phy_type_low != ICE_AQ_LINK_SPEED_UNKNOWN &&
3503 		 speed_phy_type_high == ICE_AQ_LINK_SPEED_UNKNOWN)
3504 		return speed_phy_type_low;
3505 	else
3506 		return speed_phy_type_high;
3507 }
3508 
3509 /**
3510  * ice_update_phy_type
3511  * @phy_type_low: pointer to the lower part of phy_type
3512  * @phy_type_high: pointer to the higher part of phy_type
3513  * @link_speeds_bitmap: targeted link speeds bitmap
3514  *
3515  * Note: For the link_speeds_bitmap structure, you can check it at
3516  * [ice_aqc_get_link_status->link_speed]. Caller can pass in
3517  * link_speeds_bitmap include multiple speeds.
3518  *
3519  * Each entry in this [phy_type_low, phy_type_high] structure will
3520  * present a certain link speed. This helper function will turn on bits
3521  * in [phy_type_low, phy_type_high] structure based on the value of
3522  * link_speeds_bitmap input parameter.
3523  */
3524 void
ice_update_phy_type(u64 * phy_type_low,u64 * phy_type_high,u16 link_speeds_bitmap)3525 ice_update_phy_type(u64 *phy_type_low, u64 *phy_type_high,
3526 		    u16 link_speeds_bitmap)
3527 {
3528 	u64 pt_high;
3529 	u64 pt_low;
3530 	int index;
3531 	u16 speed;
3532 
3533 	/* We first check with low part of phy_type */
3534 	for (index = 0; index <= ICE_PHY_TYPE_LOW_MAX_INDEX; index++) {
3535 		pt_low = BIT_ULL(index);
3536 		speed = ice_get_link_speed_based_on_phy_type(pt_low, 0);
3537 
3538 		if (link_speeds_bitmap & speed)
3539 			*phy_type_low |= BIT_ULL(index);
3540 	}
3541 
3542 	/* We then check with high part of phy_type */
3543 	for (index = 0; index <= ICE_PHY_TYPE_HIGH_MAX_INDEX; index++) {
3544 		pt_high = BIT_ULL(index);
3545 		speed = ice_get_link_speed_based_on_phy_type(0, pt_high);
3546 
3547 		if (link_speeds_bitmap & speed)
3548 			*phy_type_high |= BIT_ULL(index);
3549 	}
3550 }
3551 
3552 /**
3553  * ice_aq_set_phy_cfg
3554  * @hw: pointer to the HW struct
3555  * @pi: port info structure of the interested logical port
3556  * @cfg: structure with PHY configuration data to be set
3557  * @cd: pointer to command details structure or NULL
3558  *
3559  * Set the various PHY configuration parameters supported on the Port.
3560  * One or more of the Set PHY config parameters may be ignored in an MFP
3561  * mode as the PF may not have the privilege to set some of the PHY Config
3562  * parameters. This status will be indicated by the command response (0x0601).
3563  */
3564 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)3565 ice_aq_set_phy_cfg(struct ice_hw *hw, struct ice_port_info *pi,
3566 		   struct ice_aqc_set_phy_cfg_data *cfg, struct ice_sq_cd *cd)
3567 {
3568 	struct ice_aqc_set_phy_cfg *cmd;
3569 	struct libie_aq_desc desc;
3570 	int status;
3571 
3572 	if (!cfg)
3573 		return -EINVAL;
3574 
3575 	/* Ensure that only valid bits of cfg->caps can be turned on. */
3576 	if (cfg->caps & ~ICE_AQ_PHY_ENA_VALID_MASK) {
3577 		ice_debug(hw, ICE_DBG_PHY, "Invalid bit is set in ice_aqc_set_phy_cfg_data->caps : 0x%x\n",
3578 			  cfg->caps);
3579 
3580 		cfg->caps &= ICE_AQ_PHY_ENA_VALID_MASK;
3581 	}
3582 
3583 	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_phy_cfg);
3584 	cmd = libie_aq_raw(&desc);
3585 	cmd->lport_num = pi->lport;
3586 	desc.flags |= cpu_to_le16(LIBIE_AQ_FLAG_RD);
3587 
3588 	ice_debug(hw, ICE_DBG_LINK, "set phy cfg\n");
3589 	ice_debug(hw, ICE_DBG_LINK, "	phy_type_low = 0x%llx\n",
3590 		  (unsigned long long)le64_to_cpu(cfg->phy_type_low));
3591 	ice_debug(hw, ICE_DBG_LINK, "	phy_type_high = 0x%llx\n",
3592 		  (unsigned long long)le64_to_cpu(cfg->phy_type_high));
3593 	ice_debug(hw, ICE_DBG_LINK, "	caps = 0x%x\n", cfg->caps);
3594 	ice_debug(hw, ICE_DBG_LINK, "	low_power_ctrl_an = 0x%x\n",
3595 		  cfg->low_power_ctrl_an);
3596 	ice_debug(hw, ICE_DBG_LINK, "	eee_cap = 0x%x\n", cfg->eee_cap);
3597 	ice_debug(hw, ICE_DBG_LINK, "	eeer_value = 0x%x\n", cfg->eeer_value);
3598 	ice_debug(hw, ICE_DBG_LINK, "	link_fec_opt = 0x%x\n",
3599 		  cfg->link_fec_opt);
3600 
3601 	status = ice_aq_send_cmd(hw, &desc, cfg, sizeof(*cfg), cd);
3602 	if (hw->adminq.sq_last_status == LIBIE_AQ_RC_EMODE)
3603 		status = 0;
3604 
3605 	if (!status)
3606 		pi->phy.curr_user_phy_cfg = *cfg;
3607 
3608 	return status;
3609 }
3610 
3611 /**
3612  * ice_update_link_info - update status of the HW network link
3613  * @pi: port info structure of the interested logical port
3614  */
ice_update_link_info(struct ice_port_info * pi)3615 int ice_update_link_info(struct ice_port_info *pi)
3616 {
3617 	struct ice_link_status *li;
3618 	int status;
3619 
3620 	if (!pi)
3621 		return -EINVAL;
3622 
3623 	li = &pi->phy.link_info;
3624 
3625 	status = ice_aq_get_link_info(pi, true, NULL, NULL);
3626 	if (status)
3627 		return status;
3628 
3629 	if (li->link_info & ICE_AQ_MEDIA_AVAILABLE) {
3630 		struct ice_aqc_get_phy_caps_data *pcaps __free(kfree) = NULL;
3631 
3632 		pcaps = kzalloc_obj(*pcaps);
3633 		if (!pcaps)
3634 			return -ENOMEM;
3635 
3636 		status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_TOPO_CAP_MEDIA,
3637 					     pcaps, NULL);
3638 	}
3639 
3640 	return status;
3641 }
3642 
3643 /**
3644  * ice_aq_get_phy_equalization - function to read serdes equaliser
3645  * value from firmware using admin queue command.
3646  * @hw: pointer to the HW struct
3647  * @data_in: represents the serdes equalization parameter requested
3648  * @op_code: represents the serdes number and flag to represent tx or rx
3649  * @serdes_num: represents the serdes number
3650  * @output: pointer to the caller-supplied buffer to return serdes equaliser
3651  *
3652  * Return: non-zero status on error and 0 on success.
3653  */
ice_aq_get_phy_equalization(struct ice_hw * hw,u16 data_in,u16 op_code,u8 serdes_num,int * output)3654 int ice_aq_get_phy_equalization(struct ice_hw *hw, u16 data_in, u16 op_code,
3655 				u8 serdes_num, int *output)
3656 {
3657 	struct ice_aqc_dnl_call_command *cmd;
3658 	struct ice_aqc_dnl_call buf = {};
3659 	struct libie_aq_desc desc;
3660 	int err;
3661 
3662 	buf.sto.txrx_equa_reqs.data_in = cpu_to_le16(data_in);
3663 	buf.sto.txrx_equa_reqs.op_code_serdes_sel =
3664 		cpu_to_le16(op_code | (serdes_num & 0xF));
3665 	cmd = libie_aq_raw(&desc);
3666 	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_dnl_call);
3667 	desc.flags |= cpu_to_le16(LIBIE_AQ_FLAG_BUF |
3668 				  LIBIE_AQ_FLAG_RD |
3669 				  LIBIE_AQ_FLAG_SI);
3670 	desc.datalen = cpu_to_le16(sizeof(struct ice_aqc_dnl_call));
3671 	cmd->activity_id = cpu_to_le16(ICE_AQC_ACT_ID_DNL);
3672 
3673 	err = ice_aq_send_cmd(hw, &desc, &buf, sizeof(struct ice_aqc_dnl_call),
3674 			      NULL);
3675 	*output = err ? 0 : buf.sto.txrx_equa_resp.val;
3676 
3677 	return err;
3678 }
3679 
3680 #define FEC_REG_PORT(port) {	\
3681 	FEC_CORR_LOW_REG_PORT##port,		\
3682 	FEC_CORR_HIGH_REG_PORT##port,	\
3683 	FEC_UNCORR_LOW_REG_PORT##port,	\
3684 	FEC_UNCORR_HIGH_REG_PORT##port,	\
3685 }
3686 
3687 static const u32 fec_reg[][ICE_FEC_MAX] = {
3688 	FEC_REG_PORT(0),
3689 	FEC_REG_PORT(1),
3690 	FEC_REG_PORT(2),
3691 	FEC_REG_PORT(3)
3692 };
3693 
3694 /**
3695  * ice_aq_get_fec_stats - reads fec stats from phy
3696  * @hw: pointer to the HW struct
3697  * @pcs_quad: represents pcsquad of user input serdes
3698  * @pcs_port: represents the pcs port number part of above pcs quad
3699  * @fec_type: represents FEC stats type
3700  * @output: pointer to the caller-supplied buffer to return requested fec stats
3701  *
3702  * Return: non-zero status on error and 0 on success.
3703  */
ice_aq_get_fec_stats(struct ice_hw * hw,u16 pcs_quad,u16 pcs_port,enum ice_fec_stats_types fec_type,u32 * output)3704 int ice_aq_get_fec_stats(struct ice_hw *hw, u16 pcs_quad, u16 pcs_port,
3705 			 enum ice_fec_stats_types fec_type, u32 *output)
3706 {
3707 	u16 flag = (LIBIE_AQ_FLAG_RD | LIBIE_AQ_FLAG_BUF | LIBIE_AQ_FLAG_SI);
3708 	struct ice_sbq_msg_input msg = {};
3709 	u32 receiver_id, reg_offset;
3710 	int err;
3711 
3712 	if (pcs_port > 3)
3713 		return -EINVAL;
3714 
3715 	reg_offset = fec_reg[pcs_port][fec_type];
3716 
3717 	if (pcs_quad == 0)
3718 		receiver_id = FEC_RECEIVER_ID_PCS0;
3719 	else if (pcs_quad == 1)
3720 		receiver_id = FEC_RECEIVER_ID_PCS1;
3721 	else
3722 		return -EINVAL;
3723 
3724 	msg.msg_addr_low = lower_16_bits(reg_offset);
3725 	msg.msg_addr_high = receiver_id;
3726 	msg.opcode = ice_sbq_msg_rd;
3727 	msg.dest_dev = ice_sbq_dev_phy_0;
3728 
3729 	err = ice_sbq_rw_reg(hw, &msg, flag);
3730 	if (err)
3731 		return err;
3732 
3733 	*output = msg.data;
3734 	return 0;
3735 }
3736 
3737 /**
3738  * ice_cache_phy_user_req
3739  * @pi: port information structure
3740  * @cache_data: PHY logging data
3741  * @cache_mode: PHY logging mode
3742  *
3743  * Log the user request on (FC, FEC, SPEED) for later use.
3744  */
3745 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)3746 ice_cache_phy_user_req(struct ice_port_info *pi,
3747 		       struct ice_phy_cache_mode_data cache_data,
3748 		       enum ice_phy_cache_mode cache_mode)
3749 {
3750 	if (!pi)
3751 		return;
3752 
3753 	switch (cache_mode) {
3754 	case ICE_FC_MODE:
3755 		pi->phy.curr_user_fc_req = cache_data.data.curr_user_fc_req;
3756 		break;
3757 	case ICE_SPEED_MODE:
3758 		pi->phy.curr_user_speed_req =
3759 			cache_data.data.curr_user_speed_req;
3760 		break;
3761 	case ICE_FEC_MODE:
3762 		pi->phy.curr_user_fec_req = cache_data.data.curr_user_fec_req;
3763 		break;
3764 	default:
3765 		break;
3766 	}
3767 }
3768 
3769 /**
3770  * ice_caps_to_fc_mode
3771  * @caps: PHY capabilities
3772  *
3773  * Convert PHY FC capabilities to ice FC mode
3774  */
ice_caps_to_fc_mode(u8 caps)3775 enum ice_fc_mode ice_caps_to_fc_mode(u8 caps)
3776 {
3777 	if (caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE &&
3778 	    caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE)
3779 		return ICE_FC_FULL;
3780 
3781 	if (caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE)
3782 		return ICE_FC_TX_PAUSE;
3783 
3784 	if (caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE)
3785 		return ICE_FC_RX_PAUSE;
3786 
3787 	return ICE_FC_NONE;
3788 }
3789 
3790 /**
3791  * ice_caps_to_fec_mode
3792  * @caps: PHY capabilities
3793  * @fec_options: Link FEC options
3794  *
3795  * Convert PHY FEC capabilities to ice FEC mode
3796  */
ice_caps_to_fec_mode(u8 caps,u8 fec_options)3797 enum ice_fec_mode ice_caps_to_fec_mode(u8 caps, u8 fec_options)
3798 {
3799 	if (caps & ICE_AQC_PHY_EN_AUTO_FEC)
3800 		return ICE_FEC_AUTO;
3801 
3802 	if (fec_options & (ICE_AQC_PHY_FEC_10G_KR_40G_KR4_EN |
3803 			   ICE_AQC_PHY_FEC_10G_KR_40G_KR4_REQ |
3804 			   ICE_AQC_PHY_FEC_25G_KR_CLAUSE74_EN |
3805 			   ICE_AQC_PHY_FEC_25G_KR_REQ))
3806 		return ICE_FEC_BASER;
3807 
3808 	if (fec_options & (ICE_AQC_PHY_FEC_25G_RS_528_REQ |
3809 			   ICE_AQC_PHY_FEC_25G_RS_544_REQ |
3810 			   ICE_AQC_PHY_FEC_25G_RS_CLAUSE91_EN))
3811 		return ICE_FEC_RS;
3812 
3813 	return ICE_FEC_NONE;
3814 }
3815 
3816 /**
3817  * ice_cfg_phy_fc - Configure PHY FC data based on FC mode
3818  * @pi: port information structure
3819  * @cfg: PHY configuration data to set FC mode
3820  * @req_mode: FC mode to configure
3821  */
3822 int
ice_cfg_phy_fc(struct ice_port_info * pi,struct ice_aqc_set_phy_cfg_data * cfg,enum ice_fc_mode req_mode)3823 ice_cfg_phy_fc(struct ice_port_info *pi, struct ice_aqc_set_phy_cfg_data *cfg,
3824 	       enum ice_fc_mode req_mode)
3825 {
3826 	struct ice_phy_cache_mode_data cache_data;
3827 	u8 pause_mask = 0x0;
3828 
3829 	if (!pi || !cfg)
3830 		return -EINVAL;
3831 
3832 	switch (req_mode) {
3833 	case ICE_FC_FULL:
3834 		pause_mask |= ICE_AQC_PHY_EN_TX_LINK_PAUSE;
3835 		pause_mask |= ICE_AQC_PHY_EN_RX_LINK_PAUSE;
3836 		break;
3837 	case ICE_FC_RX_PAUSE:
3838 		pause_mask |= ICE_AQC_PHY_EN_RX_LINK_PAUSE;
3839 		break;
3840 	case ICE_FC_TX_PAUSE:
3841 		pause_mask |= ICE_AQC_PHY_EN_TX_LINK_PAUSE;
3842 		break;
3843 	default:
3844 		break;
3845 	}
3846 
3847 	/* clear the old pause settings */
3848 	cfg->caps &= ~(ICE_AQC_PHY_EN_TX_LINK_PAUSE |
3849 		ICE_AQC_PHY_EN_RX_LINK_PAUSE);
3850 
3851 	/* set the new capabilities */
3852 	cfg->caps |= pause_mask;
3853 
3854 	/* Cache user FC request */
3855 	cache_data.data.curr_user_fc_req = req_mode;
3856 	ice_cache_phy_user_req(pi, cache_data, ICE_FC_MODE);
3857 
3858 	return 0;
3859 }
3860 
3861 /**
3862  * ice_set_fc
3863  * @pi: port information structure
3864  * @aq_failures: pointer to status code, specific to ice_set_fc routine
3865  * @ena_auto_link_update: enable automatic link update
3866  *
3867  * Set the requested flow control mode.
3868  */
3869 int
ice_set_fc(struct ice_port_info * pi,u8 * aq_failures,bool ena_auto_link_update)3870 ice_set_fc(struct ice_port_info *pi, u8 *aq_failures, bool ena_auto_link_update)
3871 {
3872 	struct ice_aqc_get_phy_caps_data *pcaps __free(kfree) = NULL;
3873 	struct ice_aqc_set_phy_cfg_data cfg = { 0 };
3874 	struct ice_hw *hw;
3875 	int status;
3876 
3877 	if (!pi || !aq_failures)
3878 		return -EINVAL;
3879 
3880 	*aq_failures = 0;
3881 	hw = pi->hw;
3882 
3883 	pcaps = kzalloc_obj(*pcaps);
3884 	if (!pcaps)
3885 		return -ENOMEM;
3886 
3887 	/* Get the current PHY config */
3888 	status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_ACTIVE_CFG,
3889 				     pcaps, NULL);
3890 	if (status) {
3891 		*aq_failures = ICE_SET_FC_AQ_FAIL_GET;
3892 		goto out;
3893 	}
3894 
3895 	ice_copy_phy_caps_to_cfg(pi, pcaps, &cfg);
3896 
3897 	/* Configure the set PHY data */
3898 	status = ice_cfg_phy_fc(pi, &cfg, pi->fc.req_mode);
3899 	if (status)
3900 		goto out;
3901 
3902 	/* If the capabilities have changed, then set the new config */
3903 	if (cfg.caps != pcaps->caps) {
3904 		int retry_count, retry_max = 10;
3905 
3906 		/* Auto restart link so settings take effect */
3907 		if (ena_auto_link_update)
3908 			cfg.caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT;
3909 
3910 		status = ice_aq_set_phy_cfg(hw, pi, &cfg, NULL);
3911 		if (status) {
3912 			*aq_failures = ICE_SET_FC_AQ_FAIL_SET;
3913 			goto out;
3914 		}
3915 
3916 		/* Update the link info
3917 		 * It sometimes takes a really long time for link to
3918 		 * come back from the atomic reset. Thus, we wait a
3919 		 * little bit.
3920 		 */
3921 		for (retry_count = 0; retry_count < retry_max; retry_count++) {
3922 			status = ice_update_link_info(pi);
3923 
3924 			if (!status)
3925 				break;
3926 
3927 			mdelay(100);
3928 		}
3929 
3930 		if (status)
3931 			*aq_failures = ICE_SET_FC_AQ_FAIL_UPDATE;
3932 	}
3933 
3934 out:
3935 	return status;
3936 }
3937 
3938 /**
3939  * ice_phy_caps_equals_cfg
3940  * @phy_caps: PHY capabilities
3941  * @phy_cfg: PHY configuration
3942  *
3943  * Helper function to determine if PHY capabilities matches PHY
3944  * configuration
3945  */
3946 bool
ice_phy_caps_equals_cfg(struct ice_aqc_get_phy_caps_data * phy_caps,struct ice_aqc_set_phy_cfg_data * phy_cfg)3947 ice_phy_caps_equals_cfg(struct ice_aqc_get_phy_caps_data *phy_caps,
3948 			struct ice_aqc_set_phy_cfg_data *phy_cfg)
3949 {
3950 	u8 caps_mask, cfg_mask;
3951 
3952 	if (!phy_caps || !phy_cfg)
3953 		return false;
3954 
3955 	/* These bits are not common between capabilities and configuration.
3956 	 * Do not use them to determine equality.
3957 	 */
3958 	caps_mask = ICE_AQC_PHY_CAPS_MASK & ~(ICE_AQC_PHY_AN_MODE |
3959 					      ICE_AQC_GET_PHY_EN_MOD_QUAL);
3960 	cfg_mask = ICE_AQ_PHY_ENA_VALID_MASK & ~ICE_AQ_PHY_ENA_AUTO_LINK_UPDT;
3961 
3962 	if (phy_caps->phy_type_low != phy_cfg->phy_type_low ||
3963 	    phy_caps->phy_type_high != phy_cfg->phy_type_high ||
3964 	    ((phy_caps->caps & caps_mask) != (phy_cfg->caps & cfg_mask)) ||
3965 	    phy_caps->low_power_ctrl_an != phy_cfg->low_power_ctrl_an ||
3966 	    phy_caps->eee_cap != phy_cfg->eee_cap ||
3967 	    phy_caps->eeer_value != phy_cfg->eeer_value ||
3968 	    phy_caps->link_fec_options != phy_cfg->link_fec_opt)
3969 		return false;
3970 
3971 	return true;
3972 }
3973 
3974 /**
3975  * ice_copy_phy_caps_to_cfg - Copy PHY ability data to configuration data
3976  * @pi: port information structure
3977  * @caps: PHY ability structure to copy date from
3978  * @cfg: PHY configuration structure to copy data to
3979  *
3980  * Helper function to copy AQC PHY get ability data to PHY set configuration
3981  * data structure
3982  */
3983 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)3984 ice_copy_phy_caps_to_cfg(struct ice_port_info *pi,
3985 			 struct ice_aqc_get_phy_caps_data *caps,
3986 			 struct ice_aqc_set_phy_cfg_data *cfg)
3987 {
3988 	if (!pi || !caps || !cfg)
3989 		return;
3990 
3991 	memset(cfg, 0, sizeof(*cfg));
3992 	cfg->phy_type_low = caps->phy_type_low;
3993 	cfg->phy_type_high = caps->phy_type_high;
3994 	cfg->caps = caps->caps;
3995 	cfg->low_power_ctrl_an = caps->low_power_ctrl_an;
3996 	cfg->eee_cap = caps->eee_cap;
3997 	cfg->eeer_value = caps->eeer_value;
3998 	cfg->link_fec_opt = caps->link_fec_options;
3999 	cfg->module_compliance_enforcement =
4000 		caps->module_compliance_enforcement;
4001 }
4002 
4003 /**
4004  * ice_cfg_phy_fec - Configure PHY FEC data based on FEC mode
4005  * @pi: port information structure
4006  * @cfg: PHY configuration data to set FEC mode
4007  * @fec: FEC mode to configure
4008  */
4009 int
ice_cfg_phy_fec(struct ice_port_info * pi,struct ice_aqc_set_phy_cfg_data * cfg,enum ice_fec_mode fec)4010 ice_cfg_phy_fec(struct ice_port_info *pi, struct ice_aqc_set_phy_cfg_data *cfg,
4011 		enum ice_fec_mode fec)
4012 {
4013 	struct ice_aqc_get_phy_caps_data *pcaps __free(kfree) = NULL;
4014 	struct ice_hw *hw;
4015 	int status;
4016 
4017 	if (!pi || !cfg)
4018 		return -EINVAL;
4019 
4020 	hw = pi->hw;
4021 
4022 	pcaps = kzalloc_obj(*pcaps);
4023 	if (!pcaps)
4024 		return -ENOMEM;
4025 
4026 	status = ice_aq_get_phy_caps(pi, false,
4027 				     (ice_fw_supports_report_dflt_cfg(hw) ?
4028 				      ICE_AQC_REPORT_DFLT_CFG :
4029 				      ICE_AQC_REPORT_TOPO_CAP_MEDIA), pcaps, NULL);
4030 	if (status)
4031 		goto out;
4032 
4033 	cfg->caps |= pcaps->caps & ICE_AQC_PHY_EN_AUTO_FEC;
4034 	cfg->link_fec_opt = pcaps->link_fec_options;
4035 
4036 	switch (fec) {
4037 	case ICE_FEC_BASER:
4038 		/* Clear RS bits, and AND BASE-R ability
4039 		 * bits and OR request bits.
4040 		 */
4041 		cfg->link_fec_opt &= ICE_AQC_PHY_FEC_10G_KR_40G_KR4_EN |
4042 			ICE_AQC_PHY_FEC_25G_KR_CLAUSE74_EN;
4043 		cfg->link_fec_opt |= ICE_AQC_PHY_FEC_10G_KR_40G_KR4_REQ |
4044 			ICE_AQC_PHY_FEC_25G_KR_REQ;
4045 		break;
4046 	case ICE_FEC_RS:
4047 		/* Clear BASE-R bits, and AND RS ability
4048 		 * bits and OR request bits.
4049 		 */
4050 		cfg->link_fec_opt &= ICE_AQC_PHY_FEC_25G_RS_CLAUSE91_EN;
4051 		cfg->link_fec_opt |= ICE_AQC_PHY_FEC_25G_RS_528_REQ |
4052 			ICE_AQC_PHY_FEC_25G_RS_544_REQ;
4053 		break;
4054 	case ICE_FEC_NONE:
4055 		/* Clear all FEC option bits. */
4056 		cfg->link_fec_opt &= ~ICE_AQC_PHY_FEC_MASK;
4057 		break;
4058 	case ICE_FEC_AUTO:
4059 		/* AND auto FEC bit, and all caps bits. */
4060 		cfg->caps &= ICE_AQC_PHY_CAPS_MASK;
4061 		cfg->link_fec_opt |= pcaps->link_fec_options;
4062 		break;
4063 	default:
4064 		status = -EINVAL;
4065 		break;
4066 	}
4067 
4068 	if (fec == ICE_FEC_AUTO && ice_fw_supports_link_override(hw) &&
4069 	    !ice_fw_supports_report_dflt_cfg(hw)) {
4070 		struct ice_link_default_override_tlv tlv = { 0 };
4071 
4072 		status = ice_get_link_default_override(&tlv, pi);
4073 		if (status)
4074 			goto out;
4075 
4076 		if (!(tlv.options & ICE_LINK_OVERRIDE_STRICT_MODE) &&
4077 		    (tlv.options & ICE_LINK_OVERRIDE_EN))
4078 			cfg->link_fec_opt = tlv.fec_options;
4079 	}
4080 
4081 out:
4082 	return status;
4083 }
4084 
4085 /**
4086  * ice_get_link_status - get status of the HW network link
4087  * @pi: port information structure
4088  * @link_up: pointer to bool (true/false = linkup/linkdown)
4089  *
4090  * Variable link_up is true if link is up, false if link is down.
4091  * The variable link_up is invalid if status is non zero. As a
4092  * result of this call, link status reporting becomes enabled
4093  */
ice_get_link_status(struct ice_port_info * pi,bool * link_up)4094 int ice_get_link_status(struct ice_port_info *pi, bool *link_up)
4095 {
4096 	struct ice_phy_info *phy_info;
4097 	int status = 0;
4098 
4099 	if (!pi || !link_up)
4100 		return -EINVAL;
4101 
4102 	phy_info = &pi->phy;
4103 
4104 	if (phy_info->get_link_info) {
4105 		status = ice_update_link_info(pi);
4106 
4107 		if (status)
4108 			ice_debug(pi->hw, ICE_DBG_LINK, "get link status error, status = %d\n",
4109 				  status);
4110 	}
4111 
4112 	*link_up = phy_info->link_info.link_info & ICE_AQ_LINK_UP;
4113 
4114 	return status;
4115 }
4116 
4117 /**
4118  * ice_aq_set_link_restart_an
4119  * @pi: pointer to the port information structure
4120  * @ena_link: if true: enable link, if false: disable link
4121  * @cd: pointer to command details structure or NULL
4122  *
4123  * Sets up the link and restarts the Auto-Negotiation over the link.
4124  */
4125 int
ice_aq_set_link_restart_an(struct ice_port_info * pi,bool ena_link,struct ice_sq_cd * cd)4126 ice_aq_set_link_restart_an(struct ice_port_info *pi, bool ena_link,
4127 			   struct ice_sq_cd *cd)
4128 {
4129 	struct ice_aqc_restart_an *cmd;
4130 	struct libie_aq_desc desc;
4131 
4132 	cmd = libie_aq_raw(&desc);
4133 
4134 	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_restart_an);
4135 
4136 	cmd->cmd_flags = ICE_AQC_RESTART_AN_LINK_RESTART;
4137 	cmd->lport_num = pi->lport;
4138 	if (ena_link)
4139 		cmd->cmd_flags |= ICE_AQC_RESTART_AN_LINK_ENABLE;
4140 	else
4141 		cmd->cmd_flags &= ~ICE_AQC_RESTART_AN_LINK_ENABLE;
4142 
4143 	return ice_aq_send_cmd(pi->hw, &desc, NULL, 0, cd);
4144 }
4145 
4146 /**
4147  * ice_aq_set_event_mask
4148  * @hw: pointer to the HW struct
4149  * @port_num: port number of the physical function
4150  * @mask: event mask to be set
4151  * @cd: pointer to command details structure or NULL
4152  *
4153  * Set event mask (0x0613)
4154  */
4155 int
ice_aq_set_event_mask(struct ice_hw * hw,u8 port_num,u16 mask,struct ice_sq_cd * cd)4156 ice_aq_set_event_mask(struct ice_hw *hw, u8 port_num, u16 mask,
4157 		      struct ice_sq_cd *cd)
4158 {
4159 	struct ice_aqc_set_event_mask *cmd;
4160 	struct libie_aq_desc desc;
4161 
4162 	cmd = libie_aq_raw(&desc);
4163 
4164 	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_event_mask);
4165 
4166 	cmd->lport_num = port_num;
4167 
4168 	cmd->event_mask = cpu_to_le16(mask);
4169 	return ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
4170 }
4171 
4172 /**
4173  * ice_aq_set_mac_loopback
4174  * @hw: pointer to the HW struct
4175  * @ena_lpbk: Enable or Disable loopback
4176  * @cd: pointer to command details structure or NULL
4177  *
4178  * Enable/disable loopback on a given port
4179  */
4180 int
ice_aq_set_mac_loopback(struct ice_hw * hw,bool ena_lpbk,struct ice_sq_cd * cd)4181 ice_aq_set_mac_loopback(struct ice_hw *hw, bool ena_lpbk, struct ice_sq_cd *cd)
4182 {
4183 	struct ice_aqc_set_mac_lb *cmd;
4184 	struct libie_aq_desc desc;
4185 
4186 	cmd = libie_aq_raw(&desc);
4187 
4188 	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_mac_lb);
4189 	if (ena_lpbk)
4190 		cmd->lb_mode = ICE_AQ_MAC_LB_EN;
4191 
4192 	return ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
4193 }
4194 
4195 /**
4196  * ice_aq_set_port_id_led
4197  * @pi: pointer to the port information
4198  * @is_orig_mode: is this LED set to original mode (by the net-list)
4199  * @cd: pointer to command details structure or NULL
4200  *
4201  * Set LED value for the given port (0x06e9)
4202  */
4203 int
ice_aq_set_port_id_led(struct ice_port_info * pi,bool is_orig_mode,struct ice_sq_cd * cd)4204 ice_aq_set_port_id_led(struct ice_port_info *pi, bool is_orig_mode,
4205 		       struct ice_sq_cd *cd)
4206 {
4207 	struct ice_aqc_set_port_id_led *cmd;
4208 	struct ice_hw *hw = pi->hw;
4209 	struct libie_aq_desc desc;
4210 
4211 	cmd = libie_aq_raw(&desc);
4212 
4213 	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_port_id_led);
4214 
4215 	if (is_orig_mode)
4216 		cmd->ident_mode = ICE_AQC_PORT_IDENT_LED_ORIG;
4217 	else
4218 		cmd->ident_mode = ICE_AQC_PORT_IDENT_LED_BLINK;
4219 
4220 	return ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
4221 }
4222 
4223 /**
4224  * ice_aq_get_port_options
4225  * @hw: pointer to the HW struct
4226  * @options: buffer for the resultant port options
4227  * @option_count: input - size of the buffer in port options structures,
4228  *                output - number of returned port options
4229  * @lport: logical port to call the command with (optional)
4230  * @lport_valid: when false, FW uses port owned by the PF instead of lport,
4231  *               when PF owns more than 1 port it must be true
4232  * @active_option_idx: index of active port option in returned buffer
4233  * @active_option_valid: active option in returned buffer is valid
4234  * @pending_option_idx: index of pending port option in returned buffer
4235  * @pending_option_valid: pending option in returned buffer is valid
4236  *
4237  * Calls Get Port Options AQC (0x06ea) and verifies result.
4238  */
4239 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)4240 ice_aq_get_port_options(struct ice_hw *hw,
4241 			struct ice_aqc_get_port_options_elem *options,
4242 			u8 *option_count, u8 lport, bool lport_valid,
4243 			u8 *active_option_idx, bool *active_option_valid,
4244 			u8 *pending_option_idx, bool *pending_option_valid)
4245 {
4246 	struct ice_aqc_get_port_options *cmd;
4247 	struct libie_aq_desc desc;
4248 	int status;
4249 	u8 i;
4250 
4251 	/* options buffer shall be able to hold max returned options */
4252 	if (*option_count < ICE_AQC_PORT_OPT_COUNT_M)
4253 		return -EINVAL;
4254 
4255 	cmd = libie_aq_raw(&desc);
4256 	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_port_options);
4257 
4258 	if (lport_valid)
4259 		cmd->lport_num = lport;
4260 	cmd->lport_num_valid = lport_valid;
4261 
4262 	status = ice_aq_send_cmd(hw, &desc, options,
4263 				 *option_count * sizeof(*options), NULL);
4264 	if (status)
4265 		return status;
4266 
4267 	/* verify direct FW response & set output parameters */
4268 	*option_count = FIELD_GET(ICE_AQC_PORT_OPT_COUNT_M,
4269 				  cmd->port_options_count);
4270 	ice_debug(hw, ICE_DBG_PHY, "options: %x\n", *option_count);
4271 	*active_option_valid = FIELD_GET(ICE_AQC_PORT_OPT_VALID,
4272 					 cmd->port_options);
4273 	if (*active_option_valid) {
4274 		*active_option_idx = FIELD_GET(ICE_AQC_PORT_OPT_ACTIVE_M,
4275 					       cmd->port_options);
4276 		if (*active_option_idx > (*option_count - 1))
4277 			return -EIO;
4278 		ice_debug(hw, ICE_DBG_PHY, "active idx: %x\n",
4279 			  *active_option_idx);
4280 	}
4281 
4282 	*pending_option_valid = FIELD_GET(ICE_AQC_PENDING_PORT_OPT_VALID,
4283 					  cmd->pending_port_option_status);
4284 	if (*pending_option_valid) {
4285 		*pending_option_idx = FIELD_GET(ICE_AQC_PENDING_PORT_OPT_IDX_M,
4286 						cmd->pending_port_option_status);
4287 		if (*pending_option_idx > (*option_count - 1))
4288 			return -EIO;
4289 		ice_debug(hw, ICE_DBG_PHY, "pending idx: %x\n",
4290 			  *pending_option_idx);
4291 	}
4292 
4293 	/* mask output options fields */
4294 	for (i = 0; i < *option_count; i++) {
4295 		options[i].pmd = FIELD_GET(ICE_AQC_PORT_OPT_PMD_COUNT_M,
4296 					   options[i].pmd);
4297 		options[i].max_lane_speed = FIELD_GET(ICE_AQC_PORT_OPT_MAX_LANE_M,
4298 						      options[i].max_lane_speed);
4299 		ice_debug(hw, ICE_DBG_PHY, "pmds: %x max speed: %x\n",
4300 			  options[i].pmd, options[i].max_lane_speed);
4301 	}
4302 
4303 	return 0;
4304 }
4305 
4306 /**
4307  * ice_aq_set_port_option
4308  * @hw: pointer to the HW struct
4309  * @lport: logical port to call the command with
4310  * @lport_valid: when false, FW uses port owned by the PF instead of lport,
4311  *               when PF owns more than 1 port it must be true
4312  * @new_option: new port option to be written
4313  *
4314  * Calls Set Port Options AQC (0x06eb).
4315  */
4316 int
ice_aq_set_port_option(struct ice_hw * hw,u8 lport,u8 lport_valid,u8 new_option)4317 ice_aq_set_port_option(struct ice_hw *hw, u8 lport, u8 lport_valid,
4318 		       u8 new_option)
4319 {
4320 	struct ice_aqc_set_port_option *cmd;
4321 	struct libie_aq_desc desc;
4322 
4323 	if (new_option > ICE_AQC_PORT_OPT_COUNT_M)
4324 		return -EINVAL;
4325 
4326 	cmd = libie_aq_raw(&desc);
4327 	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_port_option);
4328 
4329 	if (lport_valid)
4330 		cmd->lport_num = lport;
4331 
4332 	cmd->lport_num_valid = lport_valid;
4333 	cmd->selected_port_option = new_option;
4334 
4335 	return ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
4336 }
4337 
4338 /**
4339  * ice_get_phy_lane_number - Get PHY lane number for current adapter
4340  * @hw: pointer to the hw struct
4341  *
4342  * Return: PHY lane number on success, negative error code otherwise.
4343  */
ice_get_phy_lane_number(struct ice_hw * hw)4344 int ice_get_phy_lane_number(struct ice_hw *hw)
4345 {
4346 	struct ice_aqc_get_port_options_elem *options;
4347 	unsigned int lport = 0;
4348 	unsigned int lane;
4349 	int err;
4350 
4351 	/* E82X does not have sequential IDs, lane number is PF ID.
4352 	 * For E825 device, the exception is the variant with external
4353 	 * PHY (0x579F), in which there is also 1:1 pf_id -> lane_number
4354 	 * mapping.
4355 	 */
4356 	if (hw->mac_type == ICE_MAC_GENERIC ||
4357 	    hw->device_id == ICE_DEV_ID_E825C_SGMII)
4358 		return hw->pf_id;
4359 
4360 	options = kzalloc_objs(*options, ICE_AQC_PORT_OPT_MAX);
4361 	if (!options)
4362 		return -ENOMEM;
4363 
4364 	for (lane = 0; lane < ICE_MAX_PORT_PER_PCI_DEV; lane++) {
4365 		u8 options_count = ICE_AQC_PORT_OPT_MAX;
4366 		u8 speed, active_idx, pending_idx;
4367 		bool active_valid, pending_valid;
4368 
4369 		err = ice_aq_get_port_options(hw, options, &options_count, lane,
4370 					      true, &active_idx, &active_valid,
4371 					      &pending_idx, &pending_valid);
4372 		if (err)
4373 			goto err;
4374 
4375 		if (!active_valid)
4376 			continue;
4377 
4378 		speed = options[active_idx].max_lane_speed;
4379 		/* If we don't get speed for this lane, it's unoccupied */
4380 		if (speed > ICE_AQC_PORT_OPT_MAX_LANE_40G)
4381 			continue;
4382 
4383 		if (hw->pf_id == lport) {
4384 			if (hw->mac_type == ICE_MAC_GENERIC_3K_E825 &&
4385 			    ice_is_dual(hw) && !ice_is_primary(hw))
4386 				lane += ICE_PORTS_PER_QUAD;
4387 			kfree(options);
4388 			return lane;
4389 		}
4390 		lport++;
4391 	}
4392 
4393 	/* PHY lane not found */
4394 	err = -ENXIO;
4395 err:
4396 	kfree(options);
4397 	return err;
4398 }
4399 
4400 /**
4401  * ice_aq_sff_eeprom
4402  * @hw: pointer to the HW struct
4403  * @lport: bits [7:0] = logical port, bit [8] = logical port valid
4404  * @bus_addr: I2C bus address of the eeprom (typically 0xA0, 0=topo default)
4405  * @mem_addr: I2C offset. lower 8 bits for address, 8 upper bits zero padding.
4406  * @page: QSFP page
4407  * @set_page: set or ignore the page
4408  * @data: pointer to data buffer to be read/written to the I2C device.
4409  * @length: 1-16 for read, 1 for write.
4410  * @write: 0 read, 1 for write.
4411  * @cd: pointer to command details structure or NULL
4412  *
4413  * Read/Write SFF EEPROM (0x06EE)
4414  */
4415 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)4416 ice_aq_sff_eeprom(struct ice_hw *hw, u16 lport, u8 bus_addr,
4417 		  u16 mem_addr, u8 page, u8 set_page, u8 *data, u8 length,
4418 		  bool write, struct ice_sq_cd *cd)
4419 {
4420 	struct ice_aqc_sff_eeprom *cmd;
4421 	struct libie_aq_desc desc;
4422 	u16 i2c_bus_addr;
4423 	int status;
4424 
4425 	if (!data || (mem_addr & 0xff00))
4426 		return -EINVAL;
4427 
4428 	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_sff_eeprom);
4429 	cmd = libie_aq_raw(&desc);
4430 	desc.flags = cpu_to_le16(LIBIE_AQ_FLAG_RD);
4431 	cmd->lport_num = (u8)(lport & 0xff);
4432 	cmd->lport_num_valid = (u8)((lport >> 8) & 0x01);
4433 	i2c_bus_addr = FIELD_PREP(ICE_AQC_SFF_I2CBUS_7BIT_M, bus_addr >> 1) |
4434 		       FIELD_PREP(ICE_AQC_SFF_SET_EEPROM_PAGE_M, set_page);
4435 	if (write)
4436 		i2c_bus_addr |= ICE_AQC_SFF_IS_WRITE;
4437 	cmd->i2c_bus_addr = cpu_to_le16(i2c_bus_addr);
4438 	cmd->i2c_mem_addr = cpu_to_le16(mem_addr & 0xff);
4439 	cmd->eeprom_page = le16_encode_bits(page, ICE_AQC_SFF_EEPROM_PAGE_M);
4440 
4441 	status = ice_aq_send_cmd(hw, &desc, data, length, cd);
4442 	return status;
4443 }
4444 
ice_lut_type_to_size(enum ice_lut_type type)4445 static enum ice_lut_size ice_lut_type_to_size(enum ice_lut_type type)
4446 {
4447 	switch (type) {
4448 	case ICE_LUT_VSI:
4449 		return ICE_LUT_VSI_SIZE;
4450 	case ICE_LUT_GLOBAL:
4451 		return ICE_LUT_GLOBAL_SIZE;
4452 	case ICE_LUT_PF:
4453 		return ICE_LUT_PF_SIZE;
4454 	}
4455 	WARN_ONCE(1, "incorrect type passed");
4456 	return ICE_LUT_VSI_SIZE;
4457 }
4458 
ice_lut_size_to_flag(enum ice_lut_size size)4459 static enum ice_aqc_lut_flags ice_lut_size_to_flag(enum ice_lut_size size)
4460 {
4461 	switch (size) {
4462 	case ICE_LUT_VSI_SIZE:
4463 		return ICE_AQC_LUT_SIZE_SMALL;
4464 	case ICE_LUT_GLOBAL_SIZE:
4465 		return ICE_AQC_LUT_SIZE_512;
4466 	case ICE_LUT_PF_SIZE:
4467 		return ICE_AQC_LUT_SIZE_2K;
4468 	}
4469 	WARN_ONCE(1, "incorrect size passed");
4470 	return 0;
4471 }
4472 
4473 /**
4474  * __ice_aq_get_set_rss_lut
4475  * @hw: pointer to the hardware structure
4476  * @params: RSS LUT parameters
4477  * @set: set true to set the table, false to get the table
4478  *
4479  * Internal function to get (0x0B05) or set (0x0B03) RSS look up table
4480  */
4481 static int
__ice_aq_get_set_rss_lut(struct ice_hw * hw,struct ice_aq_get_set_rss_lut_params * params,bool set)4482 __ice_aq_get_set_rss_lut(struct ice_hw *hw,
4483 			 struct ice_aq_get_set_rss_lut_params *params, bool set)
4484 {
4485 	u16 opcode, vsi_id, vsi_handle = params->vsi_handle, glob_lut_idx = 0;
4486 	enum ice_lut_type lut_type = params->lut_type;
4487 	struct ice_aqc_get_set_rss_lut *desc_params;
4488 	enum ice_aqc_lut_flags flags;
4489 	enum ice_lut_size lut_size;
4490 	struct libie_aq_desc desc;
4491 	u8 *lut = params->lut;
4492 
4493 
4494 	if (!lut || !ice_is_vsi_valid(hw, vsi_handle))
4495 		return -EINVAL;
4496 
4497 	lut_size = ice_lut_type_to_size(lut_type);
4498 	if (lut_size > params->lut_size)
4499 		return -EINVAL;
4500 	else if (set && lut_size != params->lut_size)
4501 		return -EINVAL;
4502 
4503 	opcode = set ? ice_aqc_opc_set_rss_lut : ice_aqc_opc_get_rss_lut;
4504 	ice_fill_dflt_direct_cmd_desc(&desc, opcode);
4505 	if (set)
4506 		desc.flags |= cpu_to_le16(LIBIE_AQ_FLAG_RD);
4507 
4508 	desc_params = libie_aq_raw(&desc);
4509 	vsi_id = ice_get_hw_vsi_num(hw, vsi_handle);
4510 	desc_params->vsi_id = cpu_to_le16(vsi_id | ICE_AQC_RSS_VSI_VALID);
4511 
4512 	if (lut_type == ICE_LUT_GLOBAL)
4513 		glob_lut_idx = FIELD_PREP(ICE_AQC_LUT_GLOBAL_IDX,
4514 					  params->global_lut_id);
4515 
4516 	flags = lut_type | glob_lut_idx | ice_lut_size_to_flag(lut_size);
4517 	desc_params->flags = cpu_to_le16(flags);
4518 
4519 	return ice_aq_send_cmd(hw, &desc, lut, lut_size, NULL);
4520 }
4521 
4522 /**
4523  * ice_aq_get_rss_lut
4524  * @hw: pointer to the hardware structure
4525  * @get_params: RSS LUT parameters used to specify which RSS LUT to get
4526  *
4527  * get the RSS lookup table, PF or VSI type
4528  */
4529 int
ice_aq_get_rss_lut(struct ice_hw * hw,struct ice_aq_get_set_rss_lut_params * get_params)4530 ice_aq_get_rss_lut(struct ice_hw *hw, struct ice_aq_get_set_rss_lut_params *get_params)
4531 {
4532 	return __ice_aq_get_set_rss_lut(hw, get_params, false);
4533 }
4534 
4535 /**
4536  * ice_aq_set_rss_lut
4537  * @hw: pointer to the hardware structure
4538  * @set_params: RSS LUT parameters used to specify how to set the RSS LUT
4539  *
4540  * set the RSS lookup table, PF or VSI type
4541  */
4542 int
ice_aq_set_rss_lut(struct ice_hw * hw,struct ice_aq_get_set_rss_lut_params * set_params)4543 ice_aq_set_rss_lut(struct ice_hw *hw, struct ice_aq_get_set_rss_lut_params *set_params)
4544 {
4545 	return __ice_aq_get_set_rss_lut(hw, set_params, true);
4546 }
4547 
4548 /**
4549  * __ice_aq_get_set_rss_key
4550  * @hw: pointer to the HW struct
4551  * @vsi_id: VSI FW index
4552  * @key: pointer to key info struct
4553  * @set: set true to set the key, false to get the key
4554  *
4555  * get (0x0B04) or set (0x0B02) the RSS key per VSI
4556  */
4557 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)4558 __ice_aq_get_set_rss_key(struct ice_hw *hw, u16 vsi_id,
4559 			 struct ice_aqc_get_set_rss_keys *key, bool set)
4560 {
4561 	struct ice_aqc_get_set_rss_key *desc_params;
4562 	u16 key_size = sizeof(*key);
4563 	struct libie_aq_desc desc;
4564 
4565 	if (set) {
4566 		ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_rss_key);
4567 		desc.flags |= cpu_to_le16(LIBIE_AQ_FLAG_RD);
4568 	} else {
4569 		ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_rss_key);
4570 	}
4571 
4572 	desc_params = libie_aq_raw(&desc);
4573 	desc_params->vsi_id = cpu_to_le16(vsi_id | ICE_AQC_RSS_VSI_VALID);
4574 
4575 	return ice_aq_send_cmd(hw, &desc, key, key_size, NULL);
4576 }
4577 
4578 /**
4579  * ice_aq_get_rss_key
4580  * @hw: pointer to the HW struct
4581  * @vsi_handle: software VSI handle
4582  * @key: pointer to key info struct
4583  *
4584  * get the RSS key per VSI
4585  */
4586 int
ice_aq_get_rss_key(struct ice_hw * hw,u16 vsi_handle,struct ice_aqc_get_set_rss_keys * key)4587 ice_aq_get_rss_key(struct ice_hw *hw, u16 vsi_handle,
4588 		   struct ice_aqc_get_set_rss_keys *key)
4589 {
4590 	if (!ice_is_vsi_valid(hw, vsi_handle) || !key)
4591 		return -EINVAL;
4592 
4593 	return __ice_aq_get_set_rss_key(hw, ice_get_hw_vsi_num(hw, vsi_handle),
4594 					key, false);
4595 }
4596 
4597 /**
4598  * ice_aq_set_rss_key
4599  * @hw: pointer to the HW struct
4600  * @vsi_handle: software VSI handle
4601  * @keys: pointer to key info struct
4602  *
4603  * set the RSS key per VSI
4604  */
4605 int
ice_aq_set_rss_key(struct ice_hw * hw,u16 vsi_handle,struct ice_aqc_get_set_rss_keys * keys)4606 ice_aq_set_rss_key(struct ice_hw *hw, u16 vsi_handle,
4607 		   struct ice_aqc_get_set_rss_keys *keys)
4608 {
4609 	if (!ice_is_vsi_valid(hw, vsi_handle) || !keys)
4610 		return -EINVAL;
4611 
4612 	return __ice_aq_get_set_rss_key(hw, ice_get_hw_vsi_num(hw, vsi_handle),
4613 					keys, true);
4614 }
4615 
4616 /**
4617  * ice_aq_add_lan_txq
4618  * @hw: pointer to the hardware structure
4619  * @num_qgrps: Number of added queue groups
4620  * @qg_list: list of queue groups to be added
4621  * @buf_size: size of buffer for indirect command
4622  * @cd: pointer to command details structure or NULL
4623  *
4624  * Add Tx LAN queue (0x0C30)
4625  *
4626  * NOTE:
4627  * Prior to calling add Tx LAN queue:
4628  * Initialize the following as part of the Tx queue context:
4629  * Completion queue ID if the queue uses Completion queue, Quanta profile,
4630  * Cache profile and Packet shaper profile.
4631  *
4632  * After add Tx LAN queue AQ command is completed:
4633  * Interrupts should be associated with specific queues,
4634  * Association of Tx queue to Doorbell queue is not part of Add LAN Tx queue
4635  * flow.
4636  */
4637 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)4638 ice_aq_add_lan_txq(struct ice_hw *hw, u8 num_qgrps,
4639 		   struct ice_aqc_add_tx_qgrp *qg_list, u16 buf_size,
4640 		   struct ice_sq_cd *cd)
4641 {
4642 	struct ice_aqc_add_tx_qgrp *list;
4643 	struct ice_aqc_add_txqs *cmd;
4644 	struct libie_aq_desc desc;
4645 	u16 i, sum_size = 0;
4646 
4647 	cmd = libie_aq_raw(&desc);
4648 
4649 	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_add_txqs);
4650 
4651 	if (!qg_list)
4652 		return -EINVAL;
4653 
4654 	if (num_qgrps > ICE_LAN_TXQ_MAX_QGRPS)
4655 		return -EINVAL;
4656 
4657 	for (i = 0, list = qg_list; i < num_qgrps; i++) {
4658 		sum_size += struct_size(list, txqs, list->num_txqs);
4659 		list = (struct ice_aqc_add_tx_qgrp *)(list->txqs +
4660 						      list->num_txqs);
4661 	}
4662 
4663 	if (buf_size != sum_size)
4664 		return -EINVAL;
4665 
4666 	desc.flags |= cpu_to_le16(LIBIE_AQ_FLAG_RD);
4667 
4668 	cmd->num_qgrps = num_qgrps;
4669 
4670 	return ice_aq_send_cmd(hw, &desc, qg_list, buf_size, cd);
4671 }
4672 
4673 /**
4674  * ice_aq_dis_lan_txq
4675  * @hw: pointer to the hardware structure
4676  * @num_qgrps: number of groups in the list
4677  * @qg_list: the list of groups to disable
4678  * @buf_size: the total size of the qg_list buffer in bytes
4679  * @rst_src: if called due to reset, specifies the reset source
4680  * @vmvf_num: the relative VM or VF number that is undergoing the reset
4681  * @cd: pointer to command details structure or NULL
4682  *
4683  * Disable LAN Tx queue (0x0C31)
4684  */
4685 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)4686 ice_aq_dis_lan_txq(struct ice_hw *hw, u8 num_qgrps,
4687 		   struct ice_aqc_dis_txq_item *qg_list, u16 buf_size,
4688 		   enum ice_disq_rst_src rst_src, u16 vmvf_num,
4689 		   struct ice_sq_cd *cd)
4690 {
4691 	struct ice_aqc_dis_txq_item *item;
4692 	struct ice_aqc_dis_txqs *cmd;
4693 	struct libie_aq_desc desc;
4694 	u16 vmvf_and_timeout;
4695 	u16 i, sz = 0;
4696 	int status;
4697 
4698 	cmd = libie_aq_raw(&desc);
4699 	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_dis_txqs);
4700 
4701 	/* qg_list can be NULL only in VM/VF reset flow */
4702 	if (!qg_list && !rst_src)
4703 		return -EINVAL;
4704 
4705 	if (num_qgrps > ICE_LAN_TXQ_MAX_QGRPS)
4706 		return -EINVAL;
4707 
4708 	cmd->num_entries = num_qgrps;
4709 
4710 	vmvf_and_timeout = FIELD_PREP(ICE_AQC_Q_DIS_TIMEOUT_M, 5);
4711 
4712 	switch (rst_src) {
4713 	case ICE_VM_RESET:
4714 		cmd->cmd_type = ICE_AQC_Q_DIS_CMD_VM_RESET;
4715 		vmvf_and_timeout |= vmvf_num & ICE_AQC_Q_DIS_VMVF_NUM_M;
4716 		break;
4717 	case ICE_VF_RESET:
4718 		cmd->cmd_type = ICE_AQC_Q_DIS_CMD_VF_RESET;
4719 		/* In this case, FW expects vmvf_num to be absolute VF ID */
4720 		vmvf_and_timeout |= (vmvf_num + hw->func_caps.vf_base_id) &
4721 				    ICE_AQC_Q_DIS_VMVF_NUM_M;
4722 		break;
4723 	case ICE_NO_RESET:
4724 	default:
4725 		break;
4726 	}
4727 
4728 	cmd->vmvf_and_timeout = cpu_to_le16(vmvf_and_timeout);
4729 
4730 	/* flush pipe on time out */
4731 	cmd->cmd_type |= ICE_AQC_Q_DIS_CMD_FLUSH_PIPE;
4732 	/* If no queue group info, we are in a reset flow. Issue the AQ */
4733 	if (!qg_list)
4734 		goto do_aq;
4735 
4736 	/* set RD bit to indicate that command buffer is provided by the driver
4737 	 * and it needs to be read by the firmware
4738 	 */
4739 	desc.flags |= cpu_to_le16(LIBIE_AQ_FLAG_RD);
4740 
4741 	for (i = 0, item = qg_list; i < num_qgrps; i++) {
4742 		u16 item_size = struct_size(item, q_id, item->num_qs);
4743 
4744 		/* If the num of queues is even, add 2 bytes of padding */
4745 		if ((item->num_qs % 2) == 0)
4746 			item_size += 2;
4747 
4748 		sz += item_size;
4749 
4750 		item = (struct ice_aqc_dis_txq_item *)((u8 *)item + item_size);
4751 	}
4752 
4753 	if (buf_size != sz)
4754 		return -EINVAL;
4755 
4756 do_aq:
4757 	status = ice_aq_send_cmd(hw, &desc, qg_list, buf_size, cd);
4758 	if (status) {
4759 		if (!qg_list)
4760 			ice_debug(hw, ICE_DBG_SCHED, "VM%d disable failed %d\n",
4761 				  vmvf_num, hw->adminq.sq_last_status);
4762 		else
4763 			ice_debug(hw, ICE_DBG_SCHED, "disable queue %d failed %d\n",
4764 				  le16_to_cpu(qg_list[0].q_id[0]),
4765 				  hw->adminq.sq_last_status);
4766 	}
4767 	return status;
4768 }
4769 
4770 /**
4771  * ice_aq_cfg_lan_txq - send AQ command 0x0C32 to FW
4772  * @hw: pointer to the hardware structure
4773  * @buf: buffer for command
4774  * @buf_size: size of buffer in bytes
4775  * @num_qs: number of queues being configured
4776  * @oldport: origination lport
4777  * @newport: destination lport
4778  * @mode: cmd_type for move to use
4779  * @cd: pointer to command details structure or NULL
4780  *
4781  * Move/Configure LAN Tx queue (0x0C32)
4782  *
4783  * Return: Zero on success, associated error code on failure.
4784  */
4785 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)4786 ice_aq_cfg_lan_txq(struct ice_hw *hw, struct ice_aqc_cfg_txqs_buf *buf,
4787 		   u16 buf_size, u16 num_qs, u8 oldport, u8 newport,
4788 		   u8 mode, struct ice_sq_cd *cd)
4789 {
4790 	struct ice_aqc_cfg_txqs *cmd;
4791 	struct libie_aq_desc desc;
4792 	int status;
4793 
4794 	cmd = libie_aq_raw(&desc);
4795 	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_cfg_txqs);
4796 	desc.flags |= cpu_to_le16(LIBIE_AQ_FLAG_RD);
4797 
4798 	if (!buf)
4799 		return -EINVAL;
4800 
4801 	cmd->cmd_type = mode;
4802 	cmd->num_qs = num_qs;
4803 	cmd->port_num_chng = (oldport & ICE_AQC_Q_CFG_SRC_PRT_M);
4804 	cmd->port_num_chng |= FIELD_PREP(ICE_AQC_Q_CFG_DST_PRT_M, newport);
4805 	cmd->port_num_chng |= FIELD_PREP(ICE_AQC_Q_CFG_MODE_M,
4806 					 ICE_AQC_Q_CFG_MODE_KEEP_OWN);
4807 	cmd->time_out = FIELD_PREP(ICE_AQC_Q_CFG_TIMEOUT_M, 5);
4808 	cmd->blocked_cgds = 0;
4809 
4810 	status = ice_aq_send_cmd(hw, &desc, buf, buf_size, cd);
4811 	if (status)
4812 		ice_debug(hw, ICE_DBG_SCHED, "Failed to reconfigure nodes %d\n",
4813 			  hw->adminq.sq_last_status);
4814 	return status;
4815 }
4816 
4817 /**
4818  * ice_aq_add_rdma_qsets
4819  * @hw: pointer to the hardware structure
4820  * @num_qset_grps: Number of RDMA Qset groups
4821  * @qset_list: list of Qset groups to be added
4822  * @buf_size: size of buffer for indirect command
4823  * @cd: pointer to command details structure or NULL
4824  *
4825  * Add Tx RDMA Qsets (0x0C33)
4826  */
4827 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)4828 ice_aq_add_rdma_qsets(struct ice_hw *hw, u8 num_qset_grps,
4829 		      struct ice_aqc_add_rdma_qset_data *qset_list,
4830 		      u16 buf_size, struct ice_sq_cd *cd)
4831 {
4832 	struct ice_aqc_add_rdma_qset_data *list;
4833 	struct ice_aqc_add_rdma_qset *cmd;
4834 	struct libie_aq_desc desc;
4835 	u16 i, sum_size = 0;
4836 
4837 	cmd = libie_aq_raw(&desc);
4838 
4839 	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_add_rdma_qset);
4840 
4841 	if (num_qset_grps > ICE_LAN_TXQ_MAX_QGRPS)
4842 		return -EINVAL;
4843 
4844 	for (i = 0, list = qset_list; i < num_qset_grps; i++) {
4845 		u16 num_qsets = le16_to_cpu(list->num_qsets);
4846 
4847 		sum_size += struct_size(list, rdma_qsets, num_qsets);
4848 		list = (struct ice_aqc_add_rdma_qset_data *)(list->rdma_qsets +
4849 							     num_qsets);
4850 	}
4851 
4852 	if (buf_size != sum_size)
4853 		return -EINVAL;
4854 
4855 	desc.flags |= cpu_to_le16(LIBIE_AQ_FLAG_RD);
4856 
4857 	cmd->num_qset_grps = num_qset_grps;
4858 
4859 	return ice_aq_send_cmd(hw, &desc, qset_list, buf_size, cd);
4860 }
4861 
4862 /**
4863  * ice_aq_set_txtimeq - set Tx time queues
4864  * @hw: pointer to the hardware structure
4865  * @txtimeq: first Tx time queue id to configure
4866  * @q_count: number of queues to configure
4867  * @txtime_qg: queue group to be set
4868  * @buf_size: size of buffer for indirect command
4869  * @cd: pointer to command details structure or NULL
4870  *
4871  * Set Tx Time queue (0x0C35)
4872  * Return: 0 on success or negative value on failure.
4873  */
4874 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)4875 ice_aq_set_txtimeq(struct ice_hw *hw, u16 txtimeq, u8 q_count,
4876 		   struct ice_aqc_set_txtime_qgrp *txtime_qg, u16 buf_size,
4877 		   struct ice_sq_cd *cd)
4878 {
4879 	struct ice_aqc_set_txtimeqs *cmd;
4880 	struct libie_aq_desc desc;
4881 	u16 size;
4882 
4883 	if (!txtime_qg || txtimeq > ICE_TXTIME_MAX_QUEUE ||
4884 	    q_count < 1 || q_count > ICE_SET_TXTIME_MAX_Q_AMOUNT)
4885 		return -EINVAL;
4886 
4887 	size = struct_size(txtime_qg, txtimeqs, q_count);
4888 	if (buf_size != size)
4889 		return -EINVAL;
4890 
4891 	cmd = libie_aq_raw(&desc);
4892 
4893 	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_txtimeqs);
4894 
4895 	desc.flags |= cpu_to_le16(LIBIE_AQ_FLAG_RD);
4896 
4897 	cmd->q_id = cpu_to_le16(txtimeq);
4898 	cmd->q_amount = cpu_to_le16(q_count);
4899 	return ice_aq_send_cmd(hw, &desc, txtime_qg, buf_size, cd);
4900 }
4901 
4902 /* End of FW Admin Queue command wrappers */
4903 
4904 /**
4905  * ice_get_lan_q_ctx - get the LAN queue context for the given VSI and TC
4906  * @hw: pointer to the HW struct
4907  * @vsi_handle: software VSI handle
4908  * @tc: TC number
4909  * @q_handle: software queue handle
4910  */
4911 struct ice_q_ctx *
ice_get_lan_q_ctx(struct ice_hw * hw,u16 vsi_handle,u8 tc,u16 q_handle)4912 ice_get_lan_q_ctx(struct ice_hw *hw, u16 vsi_handle, u8 tc, u16 q_handle)
4913 {
4914 	struct ice_vsi_ctx *vsi;
4915 	struct ice_q_ctx *q_ctx;
4916 
4917 	vsi = ice_get_vsi_ctx(hw, vsi_handle);
4918 	if (!vsi)
4919 		return NULL;
4920 	if (q_handle >= vsi->num_lan_q_entries[tc])
4921 		return NULL;
4922 	if (!vsi->lan_q_ctx[tc])
4923 		return NULL;
4924 	q_ctx = vsi->lan_q_ctx[tc];
4925 	return &q_ctx[q_handle];
4926 }
4927 
4928 /**
4929  * ice_ena_vsi_txq
4930  * @pi: port information structure
4931  * @vsi_handle: software VSI handle
4932  * @tc: TC number
4933  * @q_handle: software queue handle
4934  * @num_qgrps: Number of added queue groups
4935  * @buf: list of queue groups to be added
4936  * @buf_size: size of buffer for indirect command
4937  * @cd: pointer to command details structure or NULL
4938  *
4939  * This function adds one LAN queue
4940  */
4941 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)4942 ice_ena_vsi_txq(struct ice_port_info *pi, u16 vsi_handle, u8 tc, u16 q_handle,
4943 		u8 num_qgrps, struct ice_aqc_add_tx_qgrp *buf, u16 buf_size,
4944 		struct ice_sq_cd *cd)
4945 {
4946 	struct ice_aqc_txsched_elem_data node = { 0 };
4947 	struct ice_sched_node *parent;
4948 	struct ice_q_ctx *q_ctx;
4949 	struct ice_hw *hw;
4950 	int status;
4951 
4952 	if (!pi || pi->port_state != ICE_SCHED_PORT_STATE_READY)
4953 		return -EIO;
4954 
4955 	if (num_qgrps > 1 || buf->num_txqs > 1)
4956 		return -ENOSPC;
4957 
4958 	hw = pi->hw;
4959 
4960 	if (!ice_is_vsi_valid(hw, vsi_handle))
4961 		return -EINVAL;
4962 
4963 	mutex_lock(&pi->sched_lock);
4964 
4965 	q_ctx = ice_get_lan_q_ctx(hw, vsi_handle, tc, q_handle);
4966 	if (!q_ctx) {
4967 		ice_debug(hw, ICE_DBG_SCHED, "Enaq: invalid queue handle %d\n",
4968 			  q_handle);
4969 		status = -EINVAL;
4970 		goto ena_txq_exit;
4971 	}
4972 
4973 	/* find a parent node */
4974 	parent = ice_sched_get_free_qparent(pi, vsi_handle, tc,
4975 					    ICE_SCHED_NODE_OWNER_LAN);
4976 	if (!parent) {
4977 		status = -EINVAL;
4978 		goto ena_txq_exit;
4979 	}
4980 
4981 	buf->parent_teid = parent->info.node_teid;
4982 	node.parent_teid = parent->info.node_teid;
4983 	/* Mark that the values in the "generic" section as valid. The default
4984 	 * value in the "generic" section is zero. This means that :
4985 	 * - Scheduling mode is Bytes Per Second (BPS), indicated by Bit 0.
4986 	 * - 0 priority among siblings, indicated by Bit 1-3.
4987 	 * - WFQ, indicated by Bit 4.
4988 	 * - 0 Adjustment value is used in PSM credit update flow, indicated by
4989 	 * Bit 5-6.
4990 	 * - Bit 7 is reserved.
4991 	 * Without setting the generic section as valid in valid_sections, the
4992 	 * Admin queue command will fail with error code ICE_AQ_RC_EINVAL.
4993 	 */
4994 	buf->txqs[0].info.valid_sections =
4995 		ICE_AQC_ELEM_VALID_GENERIC | ICE_AQC_ELEM_VALID_CIR |
4996 		ICE_AQC_ELEM_VALID_EIR;
4997 	buf->txqs[0].info.generic = 0;
4998 	buf->txqs[0].info.cir_bw.bw_profile_idx =
4999 		cpu_to_le16(ICE_SCHED_DFLT_RL_PROF_ID);
5000 	buf->txqs[0].info.cir_bw.bw_alloc =
5001 		cpu_to_le16(ICE_SCHED_DFLT_BW_WT);
5002 	buf->txqs[0].info.eir_bw.bw_profile_idx =
5003 		cpu_to_le16(ICE_SCHED_DFLT_RL_PROF_ID);
5004 	buf->txqs[0].info.eir_bw.bw_alloc =
5005 		cpu_to_le16(ICE_SCHED_DFLT_BW_WT);
5006 
5007 	/* add the LAN queue */
5008 	status = ice_aq_add_lan_txq(hw, num_qgrps, buf, buf_size, cd);
5009 	if (status) {
5010 		ice_debug(hw, ICE_DBG_SCHED, "enable queue %d failed %d\n",
5011 			  le16_to_cpu(buf->txqs[0].txq_id),
5012 			  hw->adminq.sq_last_status);
5013 		goto ena_txq_exit;
5014 	}
5015 
5016 	node.node_teid = buf->txqs[0].q_teid;
5017 	node.data.elem_type = ICE_AQC_ELEM_TYPE_LEAF;
5018 	q_ctx->q_handle = q_handle;
5019 	q_ctx->q_teid = le32_to_cpu(node.node_teid);
5020 
5021 	/* add a leaf node into scheduler tree queue layer */
5022 	status = ice_sched_add_node(pi, hw->num_tx_sched_layers - 1, &node, NULL);
5023 	if (!status)
5024 		status = ice_sched_replay_q_bw(pi, q_ctx);
5025 
5026 ena_txq_exit:
5027 	mutex_unlock(&pi->sched_lock);
5028 	return status;
5029 }
5030 
5031 /**
5032  * ice_dis_vsi_txq
5033  * @pi: port information structure
5034  * @vsi_handle: software VSI handle
5035  * @tc: TC number
5036  * @num_queues: number of queues
5037  * @q_handles: pointer to software queue handle array
5038  * @q_ids: pointer to the q_id array
5039  * @q_teids: pointer to queue node teids
5040  * @rst_src: if called due to reset, specifies the reset source
5041  * @vmvf_num: the relative VM or VF number that is undergoing the reset
5042  * @cd: pointer to command details structure or NULL
5043  *
5044  * This function removes queues and their corresponding nodes in SW DB
5045  */
5046 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)5047 ice_dis_vsi_txq(struct ice_port_info *pi, u16 vsi_handle, u8 tc, u8 num_queues,
5048 		u16 *q_handles, u16 *q_ids, u32 *q_teids,
5049 		enum ice_disq_rst_src rst_src, u16 vmvf_num,
5050 		struct ice_sq_cd *cd)
5051 {
5052 	DEFINE_RAW_FLEX(struct ice_aqc_dis_txq_item, qg_list, q_id, 1);
5053 	u16 i, buf_size = __struct_size(qg_list);
5054 	struct ice_q_ctx *q_ctx;
5055 	int status = -ENOENT;
5056 	struct ice_hw *hw;
5057 
5058 	if (!pi || pi->port_state != ICE_SCHED_PORT_STATE_READY)
5059 		return -EIO;
5060 
5061 	hw = pi->hw;
5062 
5063 	if (!num_queues) {
5064 		/* if queue is disabled already yet the disable queue command
5065 		 * has to be sent to complete the VF reset, then call
5066 		 * ice_aq_dis_lan_txq without any queue information
5067 		 */
5068 		if (rst_src)
5069 			return ice_aq_dis_lan_txq(hw, 0, NULL, 0, rst_src,
5070 						  vmvf_num, NULL);
5071 		return -EIO;
5072 	}
5073 
5074 	mutex_lock(&pi->sched_lock);
5075 
5076 	for (i = 0; i < num_queues; i++) {
5077 		struct ice_sched_node *node;
5078 
5079 		node = ice_sched_find_node_by_teid(pi->root, q_teids[i]);
5080 		if (!node)
5081 			continue;
5082 		q_ctx = ice_get_lan_q_ctx(hw, vsi_handle, tc, q_handles[i]);
5083 		if (!q_ctx) {
5084 			ice_debug(hw, ICE_DBG_SCHED, "invalid queue handle%d\n",
5085 				  q_handles[i]);
5086 			continue;
5087 		}
5088 		if (q_ctx->q_handle != q_handles[i]) {
5089 			ice_debug(hw, ICE_DBG_SCHED, "Err:handles %d %d\n",
5090 				  q_ctx->q_handle, q_handles[i]);
5091 			continue;
5092 		}
5093 		qg_list->parent_teid = node->info.parent_teid;
5094 		qg_list->num_qs = 1;
5095 		qg_list->q_id[0] = cpu_to_le16(q_ids[i]);
5096 		status = ice_aq_dis_lan_txq(hw, 1, qg_list, buf_size, rst_src,
5097 					    vmvf_num, cd);
5098 
5099 		if (status)
5100 			break;
5101 		ice_free_sched_node(pi, node);
5102 		q_ctx->q_handle = ICE_INVAL_Q_HANDLE;
5103 		q_ctx->q_teid = ICE_INVAL_TEID;
5104 	}
5105 	mutex_unlock(&pi->sched_lock);
5106 	return status;
5107 }
5108 
5109 /**
5110  * ice_cfg_vsi_qs - configure the new/existing VSI queues
5111  * @pi: port information structure
5112  * @vsi_handle: software VSI handle
5113  * @tc_bitmap: TC bitmap
5114  * @maxqs: max queues array per TC
5115  * @owner: LAN or RDMA
5116  *
5117  * This function adds/updates the VSI queues per TC.
5118  */
5119 static int
ice_cfg_vsi_qs(struct ice_port_info * pi,u16 vsi_handle,u8 tc_bitmap,u16 * maxqs,u8 owner)5120 ice_cfg_vsi_qs(struct ice_port_info *pi, u16 vsi_handle, u8 tc_bitmap,
5121 	       u16 *maxqs, u8 owner)
5122 {
5123 	int status = 0;
5124 	u8 i;
5125 
5126 	if (!pi || pi->port_state != ICE_SCHED_PORT_STATE_READY)
5127 		return -EIO;
5128 
5129 	if (!ice_is_vsi_valid(pi->hw, vsi_handle))
5130 		return -EINVAL;
5131 
5132 	mutex_lock(&pi->sched_lock);
5133 
5134 	ice_for_each_traffic_class(i) {
5135 		/* configuration is possible only if TC node is present */
5136 		if (!ice_sched_get_tc_node(pi, i))
5137 			continue;
5138 
5139 		status = ice_sched_cfg_vsi(pi, vsi_handle, i, maxqs[i], owner,
5140 					   ice_is_tc_ena(tc_bitmap, i));
5141 		if (status)
5142 			break;
5143 	}
5144 
5145 	mutex_unlock(&pi->sched_lock);
5146 	return status;
5147 }
5148 
5149 /**
5150  * ice_cfg_vsi_lan - configure VSI LAN queues
5151  * @pi: port information structure
5152  * @vsi_handle: software VSI handle
5153  * @tc_bitmap: TC bitmap
5154  * @max_lanqs: max LAN queues array per TC
5155  *
5156  * This function adds/updates the VSI LAN queues per TC.
5157  */
5158 int
ice_cfg_vsi_lan(struct ice_port_info * pi,u16 vsi_handle,u8 tc_bitmap,u16 * max_lanqs)5159 ice_cfg_vsi_lan(struct ice_port_info *pi, u16 vsi_handle, u8 tc_bitmap,
5160 		u16 *max_lanqs)
5161 {
5162 	return ice_cfg_vsi_qs(pi, vsi_handle, tc_bitmap, max_lanqs,
5163 			      ICE_SCHED_NODE_OWNER_LAN);
5164 }
5165 
5166 /**
5167  * ice_cfg_vsi_rdma - configure the VSI RDMA queues
5168  * @pi: port information structure
5169  * @vsi_handle: software VSI handle
5170  * @tc_bitmap: TC bitmap
5171  * @max_rdmaqs: max RDMA queues array per TC
5172  *
5173  * This function adds/updates the VSI RDMA queues per TC.
5174  */
5175 int
ice_cfg_vsi_rdma(struct ice_port_info * pi,u16 vsi_handle,u16 tc_bitmap,u16 * max_rdmaqs)5176 ice_cfg_vsi_rdma(struct ice_port_info *pi, u16 vsi_handle, u16 tc_bitmap,
5177 		 u16 *max_rdmaqs)
5178 {
5179 	return ice_cfg_vsi_qs(pi, vsi_handle, tc_bitmap, max_rdmaqs,
5180 			      ICE_SCHED_NODE_OWNER_RDMA);
5181 }
5182 
5183 /**
5184  * ice_ena_vsi_rdma_qset
5185  * @pi: port information structure
5186  * @vsi_handle: software VSI handle
5187  * @tc: TC number
5188  * @rdma_qset: pointer to RDMA Qset
5189  * @num_qsets: number of RDMA Qsets
5190  * @qset_teid: pointer to Qset node TEIDs
5191  *
5192  * This function adds RDMA Qset
5193  */
5194 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)5195 ice_ena_vsi_rdma_qset(struct ice_port_info *pi, u16 vsi_handle, u8 tc,
5196 		      u16 *rdma_qset, u16 num_qsets, u32 *qset_teid)
5197 {
5198 	struct ice_aqc_txsched_elem_data node = { 0 };
5199 	struct ice_aqc_add_rdma_qset_data *buf;
5200 	struct ice_sched_node *parent;
5201 	struct ice_hw *hw;
5202 	u16 i, buf_size;
5203 	int ret;
5204 
5205 	if (!pi || pi->port_state != ICE_SCHED_PORT_STATE_READY)
5206 		return -EIO;
5207 	hw = pi->hw;
5208 
5209 	if (!ice_is_vsi_valid(hw, vsi_handle))
5210 		return -EINVAL;
5211 
5212 	buf_size = struct_size(buf, rdma_qsets, num_qsets);
5213 	buf = kzalloc(buf_size, GFP_KERNEL);
5214 	if (!buf)
5215 		return -ENOMEM;
5216 	mutex_lock(&pi->sched_lock);
5217 
5218 	parent = ice_sched_get_free_qparent(pi, vsi_handle, tc,
5219 					    ICE_SCHED_NODE_OWNER_RDMA);
5220 	if (!parent) {
5221 		ret = -EINVAL;
5222 		goto rdma_error_exit;
5223 	}
5224 	buf->parent_teid = parent->info.node_teid;
5225 	node.parent_teid = parent->info.node_teid;
5226 
5227 	buf->num_qsets = cpu_to_le16(num_qsets);
5228 	for (i = 0; i < num_qsets; i++) {
5229 		buf->rdma_qsets[i].tx_qset_id = cpu_to_le16(rdma_qset[i]);
5230 		buf->rdma_qsets[i].info.valid_sections =
5231 			ICE_AQC_ELEM_VALID_GENERIC | ICE_AQC_ELEM_VALID_CIR |
5232 			ICE_AQC_ELEM_VALID_EIR;
5233 		buf->rdma_qsets[i].info.generic = 0;
5234 		buf->rdma_qsets[i].info.cir_bw.bw_profile_idx =
5235 			cpu_to_le16(ICE_SCHED_DFLT_RL_PROF_ID);
5236 		buf->rdma_qsets[i].info.cir_bw.bw_alloc =
5237 			cpu_to_le16(ICE_SCHED_DFLT_BW_WT);
5238 		buf->rdma_qsets[i].info.eir_bw.bw_profile_idx =
5239 			cpu_to_le16(ICE_SCHED_DFLT_RL_PROF_ID);
5240 		buf->rdma_qsets[i].info.eir_bw.bw_alloc =
5241 			cpu_to_le16(ICE_SCHED_DFLT_BW_WT);
5242 	}
5243 	ret = ice_aq_add_rdma_qsets(hw, 1, buf, buf_size, NULL);
5244 	if (ret) {
5245 		ice_debug(hw, ICE_DBG_RDMA, "add RDMA qset failed\n");
5246 		goto rdma_error_exit;
5247 	}
5248 	node.data.elem_type = ICE_AQC_ELEM_TYPE_LEAF;
5249 	for (i = 0; i < num_qsets; i++) {
5250 		node.node_teid = buf->rdma_qsets[i].qset_teid;
5251 		ret = ice_sched_add_node(pi, hw->num_tx_sched_layers - 1,
5252 					 &node, NULL);
5253 		if (ret)
5254 			break;
5255 		qset_teid[i] = le32_to_cpu(node.node_teid);
5256 	}
5257 rdma_error_exit:
5258 	mutex_unlock(&pi->sched_lock);
5259 	kfree(buf);
5260 	return ret;
5261 }
5262 
5263 /**
5264  * ice_dis_vsi_rdma_qset - free RDMA resources
5265  * @pi: port_info struct
5266  * @count: number of RDMA Qsets to free
5267  * @qset_teid: TEID of Qset node
5268  * @q_id: list of queue IDs being disabled
5269  */
5270 int
ice_dis_vsi_rdma_qset(struct ice_port_info * pi,u16 count,u32 * qset_teid,u16 * q_id)5271 ice_dis_vsi_rdma_qset(struct ice_port_info *pi, u16 count, u32 *qset_teid,
5272 		      u16 *q_id)
5273 {
5274 	DEFINE_RAW_FLEX(struct ice_aqc_dis_txq_item, qg_list, q_id, 1);
5275 	u16 qg_size = __struct_size(qg_list);
5276 	struct ice_hw *hw;
5277 	int status = 0;
5278 	int i;
5279 
5280 	if (!pi || pi->port_state != ICE_SCHED_PORT_STATE_READY)
5281 		return -EIO;
5282 
5283 	hw = pi->hw;
5284 
5285 	mutex_lock(&pi->sched_lock);
5286 
5287 	for (i = 0; i < count; i++) {
5288 		struct ice_sched_node *node;
5289 
5290 		node = ice_sched_find_node_by_teid(pi->root, qset_teid[i]);
5291 		if (!node)
5292 			continue;
5293 
5294 		qg_list->parent_teid = node->info.parent_teid;
5295 		qg_list->num_qs = 1;
5296 		qg_list->q_id[0] =
5297 			cpu_to_le16(q_id[i] |
5298 				    ICE_AQC_Q_DIS_BUF_ELEM_TYPE_RDMA_QSET);
5299 
5300 		status = ice_aq_dis_lan_txq(hw, 1, qg_list, qg_size,
5301 					    ICE_NO_RESET, 0, NULL);
5302 		if (status)
5303 			break;
5304 
5305 		ice_free_sched_node(pi, node);
5306 	}
5307 
5308 	mutex_unlock(&pi->sched_lock);
5309 	return status;
5310 }
5311 
5312 /**
5313  * ice_aq_get_cgu_input_pin_measure - get input pin signal measurements
5314  * @hw: pointer to the HW struct
5315  * @dpll_idx: index of dpll to be measured
5316  * @meas: array to be filled with results
5317  * @meas_num: max number of results array can hold
5318  *
5319  * Get CGU measurements (0x0C59) of phase and frequency offsets for input
5320  * pins on given dpll.
5321  *
5322  * Return: 0 on success or negative value on failure.
5323  */
ice_aq_get_cgu_input_pin_measure(struct ice_hw * hw,u8 dpll_idx,struct ice_cgu_input_measure * meas,u16 meas_num)5324 int ice_aq_get_cgu_input_pin_measure(struct ice_hw *hw, u8 dpll_idx,
5325 				     struct ice_cgu_input_measure *meas,
5326 				     u16 meas_num)
5327 {
5328 	struct ice_aqc_get_cgu_input_measure *cmd;
5329 	struct libie_aq_desc desc;
5330 
5331 	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_cgu_input_measure);
5332 	cmd = libie_aq_raw(&desc);
5333 	cmd->dpll_idx_opt = dpll_idx & ICE_AQC_GET_CGU_IN_MEAS_DPLL_IDX_M;
5334 
5335 	return ice_aq_send_cmd(hw, &desc, meas, meas_num * sizeof(*meas), NULL);
5336 }
5337 
5338 /**
5339  * ice_aq_get_cgu_abilities - get cgu abilities
5340  * @hw: pointer to the HW struct
5341  * @abilities: CGU abilities
5342  *
5343  * Get CGU abilities (0x0C61)
5344  * Return: 0 on success or negative value on failure.
5345  */
5346 int
ice_aq_get_cgu_abilities(struct ice_hw * hw,struct ice_aqc_get_cgu_abilities * abilities)5347 ice_aq_get_cgu_abilities(struct ice_hw *hw,
5348 			 struct ice_aqc_get_cgu_abilities *abilities)
5349 {
5350 	struct libie_aq_desc desc;
5351 
5352 	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_cgu_abilities);
5353 	return ice_aq_send_cmd(hw, &desc, abilities, sizeof(*abilities), NULL);
5354 }
5355 
5356 /**
5357  * ice_aq_set_input_pin_cfg - set input pin config
5358  * @hw: pointer to the HW struct
5359  * @input_idx: Input index
5360  * @flags1: Input flags
5361  * @flags2: Input flags
5362  * @freq: Frequency in Hz
5363  * @phase_delay: Delay in ps
5364  *
5365  * Set CGU input config (0x0C62)
5366  * Return: 0 on success or negative value on failure.
5367  */
5368 int
ice_aq_set_input_pin_cfg(struct ice_hw * hw,u8 input_idx,u8 flags1,u8 flags2,u32 freq,s32 phase_delay)5369 ice_aq_set_input_pin_cfg(struct ice_hw *hw, u8 input_idx, u8 flags1, u8 flags2,
5370 			 u32 freq, s32 phase_delay)
5371 {
5372 	struct ice_aqc_set_cgu_input_config *cmd;
5373 	struct libie_aq_desc desc;
5374 
5375 	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_cgu_input_config);
5376 	cmd = libie_aq_raw(&desc);
5377 	cmd->input_idx = input_idx;
5378 	cmd->flags1 = flags1;
5379 	cmd->flags2 = flags2;
5380 	cmd->freq = cpu_to_le32(freq);
5381 	cmd->phase_delay = cpu_to_le32(phase_delay);
5382 
5383 	return ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
5384 }
5385 
5386 /**
5387  * ice_aq_get_input_pin_cfg - get input pin config
5388  * @hw: pointer to the HW struct
5389  * @input_idx: Input index
5390  * @status: Pin status
5391  * @type: Pin type
5392  * @flags1: Input flags
5393  * @flags2: Input flags
5394  * @freq: Frequency in Hz
5395  * @phase_delay: Delay in ps
5396  *
5397  * Get CGU input config (0x0C63)
5398  * Return: 0 on success or negative value on failure.
5399  */
5400 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)5401 ice_aq_get_input_pin_cfg(struct ice_hw *hw, u8 input_idx, u8 *status, u8 *type,
5402 			 u8 *flags1, u8 *flags2, u32 *freq, s32 *phase_delay)
5403 {
5404 	struct ice_aqc_get_cgu_input_config *cmd;
5405 	struct libie_aq_desc desc;
5406 	int ret;
5407 
5408 	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_cgu_input_config);
5409 	cmd = libie_aq_raw(&desc);
5410 	cmd->input_idx = input_idx;
5411 
5412 	ret = ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
5413 	if (!ret) {
5414 		if (status)
5415 			*status = cmd->status;
5416 		if (type)
5417 			*type = cmd->type;
5418 		if (flags1)
5419 			*flags1 = cmd->flags1;
5420 		if (flags2)
5421 			*flags2 = cmd->flags2;
5422 		if (freq)
5423 			*freq = le32_to_cpu(cmd->freq);
5424 		if (phase_delay)
5425 			*phase_delay = le32_to_cpu(cmd->phase_delay);
5426 	}
5427 
5428 	return ret;
5429 }
5430 
5431 /**
5432  * ice_aq_set_output_pin_cfg - set output pin config
5433  * @hw: pointer to the HW struct
5434  * @output_idx: Output index
5435  * @flags: Output flags
5436  * @src_sel: Index of DPLL block
5437  * @freq: Output frequency
5438  * @phase_delay: Output phase compensation
5439  *
5440  * Set CGU output config (0x0C64)
5441  * Return: 0 on success or negative value on failure.
5442  */
5443 int
ice_aq_set_output_pin_cfg(struct ice_hw * hw,u8 output_idx,u8 flags,u8 src_sel,u32 freq,s32 phase_delay)5444 ice_aq_set_output_pin_cfg(struct ice_hw *hw, u8 output_idx, u8 flags,
5445 			  u8 src_sel, u32 freq, s32 phase_delay)
5446 {
5447 	struct ice_aqc_set_cgu_output_config *cmd;
5448 	struct libie_aq_desc desc;
5449 
5450 	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_cgu_output_config);
5451 	cmd = libie_aq_raw(&desc);
5452 	cmd->output_idx = output_idx;
5453 	cmd->flags = flags;
5454 	cmd->src_sel = src_sel;
5455 	cmd->freq = cpu_to_le32(freq);
5456 	cmd->phase_delay = cpu_to_le32(phase_delay);
5457 
5458 	return ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
5459 }
5460 
5461 /**
5462  * ice_aq_get_output_pin_cfg - get output pin config
5463  * @hw: pointer to the HW struct
5464  * @output_idx: Output index
5465  * @flags: Output flags
5466  * @src_sel: Internal DPLL source
5467  * @freq: Output frequency
5468  * @src_freq: Source frequency
5469  *
5470  * Get CGU output config (0x0C65)
5471  * Return: 0 on success or negative value on failure.
5472  */
5473 int
ice_aq_get_output_pin_cfg(struct ice_hw * hw,u8 output_idx,u8 * flags,u8 * src_sel,u32 * freq,u32 * src_freq)5474 ice_aq_get_output_pin_cfg(struct ice_hw *hw, u8 output_idx, u8 *flags,
5475 			  u8 *src_sel, u32 *freq, u32 *src_freq)
5476 {
5477 	struct ice_aqc_get_cgu_output_config *cmd;
5478 	struct libie_aq_desc desc;
5479 	int ret;
5480 
5481 	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_cgu_output_config);
5482 	cmd = libie_aq_raw(&desc);
5483 	cmd->output_idx = output_idx;
5484 
5485 	ret = ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
5486 	if (!ret) {
5487 		if (flags)
5488 			*flags = cmd->flags;
5489 		if (src_sel)
5490 			*src_sel = cmd->src_sel;
5491 		if (freq)
5492 			*freq = le32_to_cpu(cmd->freq);
5493 		if (src_freq)
5494 			*src_freq = le32_to_cpu(cmd->src_freq);
5495 	}
5496 
5497 	return ret;
5498 }
5499 
5500 /**
5501  * ice_aq_get_cgu_dpll_status - get dpll status
5502  * @hw: pointer to the HW struct
5503  * @dpll_num: DPLL index
5504  * @ref_state: Reference clock state
5505  * @config: current DPLL config
5506  * @dpll_state: current DPLL state
5507  * @phase_offset: Phase offset in ns
5508  * @eec_mode: EEC_mode
5509  *
5510  * Get CGU DPLL status (0x0C66)
5511  * Return: 0 on success or negative value on failure.
5512  */
5513 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)5514 ice_aq_get_cgu_dpll_status(struct ice_hw *hw, u8 dpll_num, u8 *ref_state,
5515 			   u8 *dpll_state, u8 *config, s64 *phase_offset,
5516 			   u8 *eec_mode)
5517 {
5518 	struct ice_aqc_get_cgu_dpll_status *cmd;
5519 	struct libie_aq_desc desc;
5520 	int status;
5521 
5522 	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_cgu_dpll_status);
5523 	cmd = libie_aq_raw(&desc);
5524 	cmd->dpll_num = dpll_num;
5525 
5526 	status = ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
5527 	if (!status) {
5528 		*ref_state = cmd->ref_state;
5529 		*dpll_state = cmd->dpll_state;
5530 		*config = cmd->config;
5531 		*phase_offset = le32_to_cpu(cmd->phase_offset_h);
5532 		*phase_offset <<= 32;
5533 		*phase_offset += le32_to_cpu(cmd->phase_offset_l);
5534 		*phase_offset = sign_extend64(*phase_offset, 47);
5535 		*eec_mode = cmd->eec_mode;
5536 	}
5537 
5538 	return status;
5539 }
5540 
5541 /**
5542  * ice_aq_set_cgu_dpll_config - set dpll config
5543  * @hw: pointer to the HW struct
5544  * @dpll_num: DPLL index
5545  * @ref_state: Reference clock state
5546  * @config: DPLL config
5547  * @eec_mode: EEC mode
5548  *
5549  * Set CGU DPLL config (0x0C67)
5550  * Return: 0 on success or negative value on failure.
5551  */
5552 int
ice_aq_set_cgu_dpll_config(struct ice_hw * hw,u8 dpll_num,u8 ref_state,u8 config,u8 eec_mode)5553 ice_aq_set_cgu_dpll_config(struct ice_hw *hw, u8 dpll_num, u8 ref_state,
5554 			   u8 config, u8 eec_mode)
5555 {
5556 	struct ice_aqc_set_cgu_dpll_config *cmd;
5557 	struct libie_aq_desc desc;
5558 
5559 	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_cgu_dpll_config);
5560 	cmd = libie_aq_raw(&desc);
5561 	cmd->dpll_num = dpll_num;
5562 	cmd->ref_state = ref_state;
5563 	cmd->config = config;
5564 	cmd->eec_mode = eec_mode;
5565 
5566 	return ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
5567 }
5568 
5569 /**
5570  * ice_aq_set_cgu_ref_prio - set input reference priority
5571  * @hw: pointer to the HW struct
5572  * @dpll_num: DPLL index
5573  * @ref_idx: Reference pin index
5574  * @ref_priority: Reference input priority
5575  *
5576  * Set CGU reference priority (0x0C68)
5577  * Return: 0 on success or negative value on failure.
5578  */
5579 int
ice_aq_set_cgu_ref_prio(struct ice_hw * hw,u8 dpll_num,u8 ref_idx,u8 ref_priority)5580 ice_aq_set_cgu_ref_prio(struct ice_hw *hw, u8 dpll_num, u8 ref_idx,
5581 			u8 ref_priority)
5582 {
5583 	struct ice_aqc_set_cgu_ref_prio *cmd;
5584 	struct libie_aq_desc desc;
5585 
5586 	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_cgu_ref_prio);
5587 	cmd = libie_aq_raw(&desc);
5588 	cmd->dpll_num = dpll_num;
5589 	cmd->ref_idx = ref_idx;
5590 	cmd->ref_priority = ref_priority;
5591 
5592 	return ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
5593 }
5594 
5595 /**
5596  * ice_aq_get_cgu_ref_prio - get input reference priority
5597  * @hw: pointer to the HW struct
5598  * @dpll_num: DPLL index
5599  * @ref_idx: Reference pin index
5600  * @ref_prio: Reference input priority
5601  *
5602  * Get CGU reference priority (0x0C69)
5603  * Return: 0 on success or negative value on failure.
5604  */
5605 int
ice_aq_get_cgu_ref_prio(struct ice_hw * hw,u8 dpll_num,u8 ref_idx,u8 * ref_prio)5606 ice_aq_get_cgu_ref_prio(struct ice_hw *hw, u8 dpll_num, u8 ref_idx,
5607 			u8 *ref_prio)
5608 {
5609 	struct ice_aqc_get_cgu_ref_prio *cmd;
5610 	struct libie_aq_desc desc;
5611 	int status;
5612 
5613 	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_cgu_ref_prio);
5614 	cmd = libie_aq_raw(&desc);
5615 	cmd->dpll_num = dpll_num;
5616 	cmd->ref_idx = ref_idx;
5617 
5618 	status = ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
5619 	if (!status)
5620 		*ref_prio = cmd->ref_priority;
5621 
5622 	return status;
5623 }
5624 
5625 /**
5626  * ice_aq_get_cgu_info - get cgu info
5627  * @hw: pointer to the HW struct
5628  * @cgu_id: CGU ID
5629  * @cgu_cfg_ver: CGU config version
5630  * @cgu_fw_ver: CGU firmware version
5631  *
5632  * Get CGU info (0x0C6A)
5633  * Return: 0 on success or negative value on failure.
5634  */
5635 int
ice_aq_get_cgu_info(struct ice_hw * hw,u32 * cgu_id,u32 * cgu_cfg_ver,u32 * cgu_fw_ver)5636 ice_aq_get_cgu_info(struct ice_hw *hw, u32 *cgu_id, u32 *cgu_cfg_ver,
5637 		    u32 *cgu_fw_ver)
5638 {
5639 	struct ice_aqc_get_cgu_info *cmd;
5640 	struct libie_aq_desc desc;
5641 	int status;
5642 
5643 	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_cgu_info);
5644 	cmd = libie_aq_raw(&desc);
5645 
5646 	status = ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
5647 	if (!status) {
5648 		*cgu_id = le32_to_cpu(cmd->cgu_id);
5649 		*cgu_cfg_ver = le32_to_cpu(cmd->cgu_cfg_ver);
5650 		*cgu_fw_ver = le32_to_cpu(cmd->cgu_fw_ver);
5651 	}
5652 
5653 	return status;
5654 }
5655 
5656 /**
5657  * ice_aq_set_phy_rec_clk_out - set RCLK phy out
5658  * @hw: pointer to the HW struct
5659  * @phy_output: PHY reference clock output pin
5660  * @enable: GPIO state to be applied
5661  * @freq: PHY output frequency
5662  *
5663  * Set phy recovered clock as reference (0x0630)
5664  * Return: 0 on success or negative value on failure.
5665  */
5666 int
ice_aq_set_phy_rec_clk_out(struct ice_hw * hw,u8 phy_output,bool enable,u32 * freq)5667 ice_aq_set_phy_rec_clk_out(struct ice_hw *hw, u8 phy_output, bool enable,
5668 			   u32 *freq)
5669 {
5670 	struct ice_aqc_set_phy_rec_clk_out *cmd;
5671 	struct libie_aq_desc desc;
5672 	int status;
5673 
5674 	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_phy_rec_clk_out);
5675 	cmd = libie_aq_raw(&desc);
5676 	cmd->phy_output = phy_output;
5677 	cmd->port_num = ICE_AQC_SET_PHY_REC_CLK_OUT_CURR_PORT;
5678 	cmd->flags = enable & ICE_AQC_SET_PHY_REC_CLK_OUT_OUT_EN;
5679 	cmd->freq = cpu_to_le32(*freq);
5680 
5681 	status = ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
5682 	if (!status)
5683 		*freq = le32_to_cpu(cmd->freq);
5684 
5685 	return status;
5686 }
5687 
5688 /**
5689  * ice_aq_get_phy_rec_clk_out - get phy recovered signal info
5690  * @hw: pointer to the HW struct
5691  * @phy_output: PHY reference clock output pin
5692  * @port_num: Port number
5693  * @flags: PHY flags
5694  * @node_handle: PHY output frequency
5695  *
5696  * Get PHY recovered clock output info (0x0631)
5697  * Return: 0 on success or negative value on failure.
5698  */
5699 int
ice_aq_get_phy_rec_clk_out(struct ice_hw * hw,u8 * phy_output,u8 * port_num,u8 * flags,u16 * node_handle)5700 ice_aq_get_phy_rec_clk_out(struct ice_hw *hw, u8 *phy_output, u8 *port_num,
5701 			   u8 *flags, u16 *node_handle)
5702 {
5703 	struct ice_aqc_get_phy_rec_clk_out *cmd;
5704 	struct libie_aq_desc desc;
5705 	int status;
5706 
5707 	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_phy_rec_clk_out);
5708 	cmd = libie_aq_raw(&desc);
5709 	cmd->phy_output = *phy_output;
5710 
5711 	status = ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
5712 	if (!status) {
5713 		*phy_output = cmd->phy_output;
5714 		if (port_num)
5715 			*port_num = cmd->port_num;
5716 		if (flags)
5717 			*flags = cmd->flags;
5718 		if (node_handle)
5719 			*node_handle = le16_to_cpu(cmd->node_handle);
5720 	}
5721 
5722 	return status;
5723 }
5724 
5725 /**
5726  * ice_aq_get_sensor_reading
5727  * @hw: pointer to the HW struct
5728  * @data: pointer to data to be read from the sensor
5729  *
5730  * Get sensor reading (0x0632)
5731  */
ice_aq_get_sensor_reading(struct ice_hw * hw,struct ice_aqc_get_sensor_reading_resp * data)5732 int ice_aq_get_sensor_reading(struct ice_hw *hw,
5733 			      struct ice_aqc_get_sensor_reading_resp *data)
5734 {
5735 	struct ice_aqc_get_sensor_reading *cmd;
5736 	struct libie_aq_desc desc;
5737 	int status;
5738 
5739 	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_sensor_reading);
5740 	cmd = libie_aq_raw(&desc);
5741 #define ICE_INTERNAL_TEMP_SENSOR_FORMAT	0
5742 #define ICE_INTERNAL_TEMP_SENSOR	0
5743 	cmd->sensor = ICE_INTERNAL_TEMP_SENSOR;
5744 	cmd->format = ICE_INTERNAL_TEMP_SENSOR_FORMAT;
5745 
5746 	status = ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
5747 	if (!status)
5748 		memcpy(data, &desc.params.raw,
5749 		       sizeof(*data));
5750 
5751 	return status;
5752 }
5753 
5754 /**
5755  * ice_replay_pre_init - replay pre initialization
5756  * @hw: pointer to the HW struct
5757  *
5758  * Initializes required config data for VSI, FD, ACL, and RSS before replay.
5759  */
ice_replay_pre_init(struct ice_hw * hw)5760 static int ice_replay_pre_init(struct ice_hw *hw)
5761 {
5762 	struct ice_switch_info *sw = hw->switch_info;
5763 	u8 i;
5764 
5765 	/* Delete old entries from replay filter list head if there is any */
5766 	ice_rm_all_sw_replay_rule_info(hw);
5767 	/* In start of replay, move entries into replay_rules list, it
5768 	 * will allow adding rules entries back to filt_rules list,
5769 	 * which is operational list.
5770 	 */
5771 	for (i = 0; i < ICE_MAX_NUM_RECIPES; i++)
5772 		list_replace_init(&sw->recp_list[i].filt_rules,
5773 				  &sw->recp_list[i].filt_replay_rules);
5774 	ice_sched_replay_agg_vsi_preinit(hw);
5775 
5776 	return 0;
5777 }
5778 
5779 /**
5780  * ice_replay_vsi - replay VSI configuration
5781  * @hw: pointer to the HW struct
5782  * @vsi_handle: driver VSI handle
5783  *
5784  * Restore all VSI configuration after reset. It is required to call this
5785  * function with main VSI first.
5786  */
ice_replay_vsi(struct ice_hw * hw,u16 vsi_handle)5787 int ice_replay_vsi(struct ice_hw *hw, u16 vsi_handle)
5788 {
5789 	int status;
5790 
5791 	if (!ice_is_vsi_valid(hw, vsi_handle))
5792 		return -EINVAL;
5793 
5794 	/* Replay pre-initialization if there is any */
5795 	if (vsi_handle == ICE_MAIN_VSI_HANDLE) {
5796 		status = ice_replay_pre_init(hw);
5797 		if (status)
5798 			return status;
5799 	}
5800 	/* Replay per VSI all RSS configurations */
5801 	status = ice_replay_rss_cfg(hw, vsi_handle);
5802 	if (status)
5803 		return status;
5804 	/* Replay per VSI all filters */
5805 	status = ice_replay_vsi_all_fltr(hw, vsi_handle);
5806 	if (!status)
5807 		status = ice_replay_vsi_agg(hw, vsi_handle);
5808 	return status;
5809 }
5810 
5811 /**
5812  * ice_replay_post - post replay configuration cleanup
5813  * @hw: pointer to the HW struct
5814  *
5815  * Post replay cleanup.
5816  */
ice_replay_post(struct ice_hw * hw)5817 void ice_replay_post(struct ice_hw *hw)
5818 {
5819 	/* Delete old entries from replay filter list head */
5820 	ice_rm_all_sw_replay_rule_info(hw);
5821 	ice_sched_replay_agg(hw);
5822 }
5823 
5824 /**
5825  * ice_stat_update40 - read 40 bit stat from the chip and update stat values
5826  * @hw: ptr to the hardware info
5827  * @reg: offset of 64 bit HW register to read from
5828  * @prev_stat_loaded: bool to specify if previous stats are loaded
5829  * @prev_stat: ptr to previous loaded stat value
5830  * @cur_stat: ptr to current stat value
5831  */
5832 void
ice_stat_update40(struct ice_hw * hw,u32 reg,bool prev_stat_loaded,u64 * prev_stat,u64 * cur_stat)5833 ice_stat_update40(struct ice_hw *hw, u32 reg, bool prev_stat_loaded,
5834 		  u64 *prev_stat, u64 *cur_stat)
5835 {
5836 	u64 new_data = rd64(hw, reg) & (BIT_ULL(40) - 1);
5837 
5838 	/* device stats are not reset at PFR, they likely will not be zeroed
5839 	 * when the driver starts. Thus, save the value from the first read
5840 	 * without adding to the statistic value so that we report stats which
5841 	 * count up from zero.
5842 	 */
5843 	if (!prev_stat_loaded) {
5844 		*prev_stat = new_data;
5845 		return;
5846 	}
5847 
5848 	/* Calculate the difference between the new and old values, and then
5849 	 * add it to the software stat value.
5850 	 */
5851 	if (new_data >= *prev_stat)
5852 		*cur_stat += new_data - *prev_stat;
5853 	else
5854 		/* to manage the potential roll-over */
5855 		*cur_stat += (new_data + BIT_ULL(40)) - *prev_stat;
5856 
5857 	/* Update the previously stored value to prepare for next read */
5858 	*prev_stat = new_data;
5859 }
5860 
5861 /**
5862  * ice_stat_update32 - read 32 bit stat from the chip and update stat values
5863  * @hw: ptr to the hardware info
5864  * @reg: offset of HW register to read from
5865  * @prev_stat_loaded: bool to specify if previous stats are loaded
5866  * @prev_stat: ptr to previous loaded stat value
5867  * @cur_stat: ptr to current stat value
5868  */
5869 void
ice_stat_update32(struct ice_hw * hw,u32 reg,bool prev_stat_loaded,u64 * prev_stat,u64 * cur_stat)5870 ice_stat_update32(struct ice_hw *hw, u32 reg, bool prev_stat_loaded,
5871 		  u64 *prev_stat, u64 *cur_stat)
5872 {
5873 	u32 new_data;
5874 
5875 	new_data = rd32(hw, reg);
5876 
5877 	/* device stats are not reset at PFR, they likely will not be zeroed
5878 	 * when the driver starts. Thus, save the value from the first read
5879 	 * without adding to the statistic value so that we report stats which
5880 	 * count up from zero.
5881 	 */
5882 	if (!prev_stat_loaded) {
5883 		*prev_stat = new_data;
5884 		return;
5885 	}
5886 
5887 	/* Calculate the difference between the new and old values, and then
5888 	 * add it to the software stat value.
5889 	 */
5890 	if (new_data >= *prev_stat)
5891 		*cur_stat += new_data - *prev_stat;
5892 	else
5893 		/* to manage the potential roll-over */
5894 		*cur_stat += (new_data + BIT_ULL(32)) - *prev_stat;
5895 
5896 	/* Update the previously stored value to prepare for next read */
5897 	*prev_stat = new_data;
5898 }
5899 
5900 /**
5901  * ice_sched_query_elem - query element information from HW
5902  * @hw: pointer to the HW struct
5903  * @node_teid: node TEID to be queried
5904  * @buf: buffer to element information
5905  *
5906  * This function queries HW element information
5907  */
5908 int
ice_sched_query_elem(struct ice_hw * hw,u32 node_teid,struct ice_aqc_txsched_elem_data * buf)5909 ice_sched_query_elem(struct ice_hw *hw, u32 node_teid,
5910 		     struct ice_aqc_txsched_elem_data *buf)
5911 {
5912 	u16 buf_size, num_elem_ret = 0;
5913 	int status;
5914 
5915 	buf_size = sizeof(*buf);
5916 	memset(buf, 0, buf_size);
5917 	buf->node_teid = cpu_to_le32(node_teid);
5918 	status = ice_aq_query_sched_elems(hw, 1, buf, buf_size, &num_elem_ret,
5919 					  NULL);
5920 	if (status || num_elem_ret != 1)
5921 		ice_debug(hw, ICE_DBG_SCHED, "query element failed\n");
5922 	return status;
5923 }
5924 
5925 /**
5926  * ice_aq_read_i2c
5927  * @hw: pointer to the hw struct
5928  * @topo_addr: topology address for a device to communicate with
5929  * @bus_addr: 7-bit I2C bus address
5930  * @addr: I2C memory address (I2C offset) with up to 16 bits
5931  * @params: I2C parameters: bit [7] - Repeated start,
5932  *			    bits [6:5] data offset size,
5933  *			    bit [4] - I2C address type,
5934  *			    bits [3:0] - data size to read (0-16 bytes)
5935  * @data: pointer to data (0 to 16 bytes) to be read from the I2C device
5936  * @cd: pointer to command details structure or NULL
5937  *
5938  * Read I2C (0x06E2)
5939  */
5940 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)5941 ice_aq_read_i2c(struct ice_hw *hw, struct ice_aqc_link_topo_addr topo_addr,
5942 		u16 bus_addr, __le16 addr, u8 params, u8 *data,
5943 		struct ice_sq_cd *cd)
5944 {
5945 	struct libie_aq_desc desc = { 0 };
5946 	struct ice_aqc_i2c *cmd;
5947 	u8 data_size;
5948 	int status;
5949 
5950 	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_read_i2c);
5951 	cmd = libie_aq_raw(&desc);
5952 
5953 	if (!data)
5954 		return -EINVAL;
5955 
5956 	data_size = FIELD_GET(ICE_AQC_I2C_DATA_SIZE_M, params);
5957 
5958 	cmd->i2c_bus_addr = cpu_to_le16(bus_addr);
5959 	cmd->topo_addr = topo_addr;
5960 	cmd->i2c_params = params;
5961 	cmd->i2c_addr = addr;
5962 
5963 	status = ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
5964 	if (!status) {
5965 		struct ice_aqc_read_i2c_resp *resp;
5966 		u8 i;
5967 
5968 		resp = libie_aq_raw(&desc);
5969 		for (i = 0; i < data_size; i++) {
5970 			*data = resp->i2c_data[i];
5971 			data++;
5972 		}
5973 	}
5974 
5975 	return status;
5976 }
5977 
5978 /**
5979  * ice_aq_write_i2c
5980  * @hw: pointer to the hw struct
5981  * @topo_addr: topology address for a device to communicate with
5982  * @bus_addr: 7-bit I2C bus address
5983  * @addr: I2C memory address (I2C offset) with up to 16 bits
5984  * @params: I2C parameters: bit [4] - I2C address type, bits [3:0] - data size to write (0-7 bytes)
5985  * @data: pointer to data (0 to 4 bytes) to be written to the I2C device
5986  * @cd: pointer to command details structure or NULL
5987  *
5988  * Write I2C (0x06E3)
5989  *
5990  * * Return:
5991  * * 0             - Successful write to the i2c device
5992  * * -EINVAL       - Data size greater than 4 bytes
5993  * * -EIO          - FW error
5994  */
5995 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)5996 ice_aq_write_i2c(struct ice_hw *hw, struct ice_aqc_link_topo_addr topo_addr,
5997 		 u16 bus_addr, __le16 addr, u8 params, const u8 *data,
5998 		 struct ice_sq_cd *cd)
5999 {
6000 	struct libie_aq_desc desc = { 0 };
6001 	struct ice_aqc_i2c *cmd;
6002 	u8 data_size;
6003 
6004 	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_write_i2c);
6005 	cmd = libie_aq_raw(&desc);
6006 
6007 	data_size = FIELD_GET(ICE_AQC_I2C_DATA_SIZE_M, params);
6008 
6009 	/* data_size limited to 4 */
6010 	if (data_size > 4)
6011 		return -EINVAL;
6012 
6013 	cmd->i2c_bus_addr = cpu_to_le16(bus_addr);
6014 	cmd->topo_addr = topo_addr;
6015 	cmd->i2c_params = params;
6016 	cmd->i2c_addr = addr;
6017 
6018 	memcpy(cmd->i2c_data, data, data_size);
6019 
6020 	return ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
6021 }
6022 
6023 /**
6024  * ice_get_pca9575_handle - find and return the PCA9575 controller
6025  * @hw: pointer to the hw struct
6026  * @pca9575_handle: GPIO controller's handle
6027  *
6028  * Find and return the GPIO controller's handle in the netlist.
6029  * When found - the value will be cached in the hw structure and following calls
6030  * will return cached value.
6031  *
6032  * Return: 0 on success, -ENXIO when there's no PCA9575 present.
6033  */
ice_get_pca9575_handle(struct ice_hw * hw,u16 * pca9575_handle)6034 int ice_get_pca9575_handle(struct ice_hw *hw, u16 *pca9575_handle)
6035 {
6036 	struct ice_aqc_get_link_topo *cmd;
6037 	struct libie_aq_desc desc;
6038 	int err;
6039 	u8 idx;
6040 
6041 	/* If handle was read previously return cached value */
6042 	if (hw->io_expander_handle) {
6043 		*pca9575_handle = hw->io_expander_handle;
6044 		return 0;
6045 	}
6046 
6047 #define SW_PCA9575_SFP_TOPO_IDX		2
6048 #define SW_PCA9575_QSFP_TOPO_IDX	1
6049 
6050 	/* Check if the SW IO expander controlling SMA exists in the netlist. */
6051 	if (hw->device_id == ICE_DEV_ID_E810C_SFP)
6052 		idx = SW_PCA9575_SFP_TOPO_IDX;
6053 	else if (hw->device_id == ICE_DEV_ID_E810C_QSFP)
6054 		idx = SW_PCA9575_QSFP_TOPO_IDX;
6055 	else
6056 		return -ENXIO;
6057 
6058 	/* If handle was not detected read it from the netlist */
6059 	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_link_topo);
6060 	cmd = libie_aq_raw(&desc);
6061 	cmd->addr.topo_params.node_type_ctx =
6062 		ICE_AQC_LINK_TOPO_NODE_TYPE_GPIO_CTRL;
6063 	cmd->addr.topo_params.index = idx;
6064 
6065 	err = ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
6066 	if (err)
6067 		return -ENXIO;
6068 
6069 	/* Verify if we found the right IO expander type */
6070 	if (cmd->node_part_num != ICE_AQC_GET_LINK_TOPO_NODE_NR_PCA9575)
6071 		return -ENXIO;
6072 
6073 	/* If present save the handle and return it */
6074 	hw->io_expander_handle =
6075 		le16_to_cpu(cmd->addr.handle);
6076 	*pca9575_handle = hw->io_expander_handle;
6077 
6078 	return 0;
6079 }
6080 
6081 /**
6082  * ice_read_pca9575_reg - read the register from the PCA9575 controller
6083  * @hw: pointer to the hw struct
6084  * @offset: GPIO controller register offset
6085  * @data: pointer to data to be read from the GPIO controller
6086  *
6087  * Return: 0 on success, negative error code otherwise.
6088  */
ice_read_pca9575_reg(struct ice_hw * hw,u8 offset,u8 * data)6089 int ice_read_pca9575_reg(struct ice_hw *hw, u8 offset, u8 *data)
6090 {
6091 	struct ice_aqc_link_topo_addr link_topo;
6092 	__le16 addr;
6093 	u16 handle;
6094 	int err;
6095 
6096 	memset(&link_topo, 0, sizeof(link_topo));
6097 
6098 	err = ice_get_pca9575_handle(hw, &handle);
6099 	if (err)
6100 		return err;
6101 
6102 	link_topo.handle = cpu_to_le16(handle);
6103 	link_topo.topo_params.node_type_ctx =
6104 		FIELD_PREP(ICE_AQC_LINK_TOPO_NODE_CTX_M,
6105 			   ICE_AQC_LINK_TOPO_NODE_CTX_PROVIDED);
6106 
6107 	addr = cpu_to_le16((u16)offset);
6108 
6109 	return ice_aq_read_i2c(hw, link_topo, 0, addr, 1, data, NULL);
6110 }
6111 
6112 /**
6113  * ice_aq_set_gpio
6114  * @hw: pointer to the hw struct
6115  * @gpio_ctrl_handle: GPIO controller node handle
6116  * @pin_idx: IO Number of the GPIO that needs to be set
6117  * @value: SW provide IO value to set in the LSB
6118  * @cd: pointer to command details structure or NULL
6119  *
6120  * Sends 0x06EC AQ command to set the GPIO pin state that's part of the topology
6121  */
6122 int
ice_aq_set_gpio(struct ice_hw * hw,u16 gpio_ctrl_handle,u8 pin_idx,bool value,struct ice_sq_cd * cd)6123 ice_aq_set_gpio(struct ice_hw *hw, u16 gpio_ctrl_handle, u8 pin_idx, bool value,
6124 		struct ice_sq_cd *cd)
6125 {
6126 	struct libie_aq_desc desc;
6127 	struct ice_aqc_gpio *cmd;
6128 
6129 	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_gpio);
6130 	cmd = libie_aq_raw(&desc);
6131 	cmd->gpio_ctrl_handle = cpu_to_le16(gpio_ctrl_handle);
6132 	cmd->gpio_num = pin_idx;
6133 	cmd->gpio_val = value ? 1 : 0;
6134 
6135 	return ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
6136 }
6137 
6138 /**
6139  * ice_aq_get_gpio
6140  * @hw: pointer to the hw struct
6141  * @gpio_ctrl_handle: GPIO controller node handle
6142  * @pin_idx: IO Number of the GPIO that needs to be set
6143  * @value: IO value read
6144  * @cd: pointer to command details structure or NULL
6145  *
6146  * Sends 0x06ED AQ command to get the value of a GPIO signal which is part of
6147  * the topology
6148  */
6149 int
ice_aq_get_gpio(struct ice_hw * hw,u16 gpio_ctrl_handle,u8 pin_idx,bool * value,struct ice_sq_cd * cd)6150 ice_aq_get_gpio(struct ice_hw *hw, u16 gpio_ctrl_handle, u8 pin_idx,
6151 		bool *value, struct ice_sq_cd *cd)
6152 {
6153 	struct libie_aq_desc desc;
6154 	struct ice_aqc_gpio *cmd;
6155 	int status;
6156 
6157 	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_gpio);
6158 	cmd = libie_aq_raw(&desc);
6159 	cmd->gpio_ctrl_handle = cpu_to_le16(gpio_ctrl_handle);
6160 	cmd->gpio_num = pin_idx;
6161 
6162 	status = ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
6163 	if (status)
6164 		return status;
6165 
6166 	*value = !!cmd->gpio_val;
6167 	return 0;
6168 }
6169 
6170 /**
6171  * ice_is_fw_api_min_ver
6172  * @hw: pointer to the hardware structure
6173  * @maj: major version
6174  * @min: minor version
6175  * @patch: patch version
6176  *
6177  * Checks if the firmware API is minimum version
6178  */
ice_is_fw_api_min_ver(struct ice_hw * hw,u8 maj,u8 min,u8 patch)6179 static bool ice_is_fw_api_min_ver(struct ice_hw *hw, u8 maj, u8 min, u8 patch)
6180 {
6181 	if (hw->api_maj_ver == maj) {
6182 		if (hw->api_min_ver > min)
6183 			return true;
6184 		if (hw->api_min_ver == min && hw->api_patch >= patch)
6185 			return true;
6186 	} else if (hw->api_maj_ver > maj) {
6187 		return true;
6188 	}
6189 
6190 	return false;
6191 }
6192 
6193 /**
6194  * ice_fw_supports_link_override
6195  * @hw: pointer to the hardware structure
6196  *
6197  * Checks if the firmware supports link override
6198  */
ice_fw_supports_link_override(struct ice_hw * hw)6199 bool ice_fw_supports_link_override(struct ice_hw *hw)
6200 {
6201 	return ice_is_fw_api_min_ver(hw, ICE_FW_API_LINK_OVERRIDE_MAJ,
6202 				     ICE_FW_API_LINK_OVERRIDE_MIN,
6203 				     ICE_FW_API_LINK_OVERRIDE_PATCH);
6204 }
6205 
6206 /**
6207  * ice_get_link_default_override
6208  * @ldo: pointer to the link default override struct
6209  * @pi: pointer to the port info struct
6210  *
6211  * Gets the link default override for a port
6212  */
6213 int
ice_get_link_default_override(struct ice_link_default_override_tlv * ldo,struct ice_port_info * pi)6214 ice_get_link_default_override(struct ice_link_default_override_tlv *ldo,
6215 			      struct ice_port_info *pi)
6216 {
6217 	u16 i, tlv, tlv_len, tlv_start, buf, offset;
6218 	struct ice_hw *hw = pi->hw;
6219 	int status;
6220 
6221 	status = ice_get_pfa_module_tlv(hw, &tlv, &tlv_len,
6222 					ICE_SR_LINK_DEFAULT_OVERRIDE_PTR);
6223 	if (status) {
6224 		ice_debug(hw, ICE_DBG_INIT, "Failed to read link override TLV.\n");
6225 		return status;
6226 	}
6227 
6228 	/* Each port has its own config; calculate for our port */
6229 	tlv_start = tlv + pi->lport * ICE_SR_PFA_LINK_OVERRIDE_WORDS +
6230 		ICE_SR_PFA_LINK_OVERRIDE_OFFSET;
6231 
6232 	/* link options first */
6233 	status = ice_read_sr_word(hw, tlv_start, &buf);
6234 	if (status) {
6235 		ice_debug(hw, ICE_DBG_INIT, "Failed to read override link options.\n");
6236 		return status;
6237 	}
6238 	ldo->options = FIELD_GET(ICE_LINK_OVERRIDE_OPT_M, buf);
6239 	ldo->phy_config = (buf & ICE_LINK_OVERRIDE_PHY_CFG_M) >>
6240 		ICE_LINK_OVERRIDE_PHY_CFG_S;
6241 
6242 	/* link PHY config */
6243 	offset = tlv_start + ICE_SR_PFA_LINK_OVERRIDE_FEC_OFFSET;
6244 	status = ice_read_sr_word(hw, offset, &buf);
6245 	if (status) {
6246 		ice_debug(hw, ICE_DBG_INIT, "Failed to read override phy config.\n");
6247 		return status;
6248 	}
6249 	ldo->fec_options = buf & ICE_LINK_OVERRIDE_FEC_OPT_M;
6250 
6251 	/* PHY types low */
6252 	offset = tlv_start + ICE_SR_PFA_LINK_OVERRIDE_PHY_OFFSET;
6253 	for (i = 0; i < ICE_SR_PFA_LINK_OVERRIDE_PHY_WORDS; i++) {
6254 		status = ice_read_sr_word(hw, (offset + i), &buf);
6255 		if (status) {
6256 			ice_debug(hw, ICE_DBG_INIT, "Failed to read override link options.\n");
6257 			return status;
6258 		}
6259 		/* shift 16 bits at a time to fill 64 bits */
6260 		ldo->phy_type_low |= ((u64)buf << (i * 16));
6261 	}
6262 
6263 	/* PHY types high */
6264 	offset = tlv_start + ICE_SR_PFA_LINK_OVERRIDE_PHY_OFFSET +
6265 		ICE_SR_PFA_LINK_OVERRIDE_PHY_WORDS;
6266 	for (i = 0; i < ICE_SR_PFA_LINK_OVERRIDE_PHY_WORDS; i++) {
6267 		status = ice_read_sr_word(hw, (offset + i), &buf);
6268 		if (status) {
6269 			ice_debug(hw, ICE_DBG_INIT, "Failed to read override link options.\n");
6270 			return status;
6271 		}
6272 		/* shift 16 bits at a time to fill 64 bits */
6273 		ldo->phy_type_high |= ((u64)buf << (i * 16));
6274 	}
6275 
6276 	return status;
6277 }
6278 
6279 /**
6280  * ice_is_phy_caps_an_enabled - check if PHY capabilities autoneg is enabled
6281  * @caps: get PHY capability data
6282  */
ice_is_phy_caps_an_enabled(struct ice_aqc_get_phy_caps_data * caps)6283 bool ice_is_phy_caps_an_enabled(struct ice_aqc_get_phy_caps_data *caps)
6284 {
6285 	if (caps->caps & ICE_AQC_PHY_AN_MODE ||
6286 	    caps->low_power_ctrl_an & (ICE_AQC_PHY_AN_EN_CLAUSE28 |
6287 				       ICE_AQC_PHY_AN_EN_CLAUSE73 |
6288 				       ICE_AQC_PHY_AN_EN_CLAUSE37))
6289 		return true;
6290 
6291 	return false;
6292 }
6293 
6294 /**
6295  * ice_is_fw_health_report_supported - checks if firmware supports health events
6296  * @hw: pointer to the hardware structure
6297  *
6298  * Return: true if firmware supports health status reports,
6299  * false otherwise
6300  */
ice_is_fw_health_report_supported(struct ice_hw * hw)6301 bool ice_is_fw_health_report_supported(struct ice_hw *hw)
6302 {
6303 	return ice_is_fw_api_min_ver(hw, ICE_FW_API_HEALTH_REPORT_MAJ,
6304 				     ICE_FW_API_HEALTH_REPORT_MIN,
6305 				     ICE_FW_API_HEALTH_REPORT_PATCH);
6306 }
6307 
6308 /**
6309  * ice_aq_set_health_status_cfg - Configure FW health events
6310  * @hw: pointer to the HW struct
6311  * @event_source: type of diagnostic events to enable
6312  *
6313  * Configure the health status event types that the firmware will send to this
6314  * PF. The supported event types are: PF-specific, all PFs, and global.
6315  *
6316  * Return: 0 on success, negative error code otherwise.
6317  */
ice_aq_set_health_status_cfg(struct ice_hw * hw,u8 event_source)6318 int ice_aq_set_health_status_cfg(struct ice_hw *hw, u8 event_source)
6319 {
6320 	struct ice_aqc_set_health_status_cfg *cmd;
6321 	struct libie_aq_desc desc;
6322 
6323 	cmd = libie_aq_raw(&desc);
6324 
6325 	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_health_status_cfg);
6326 
6327 	cmd->event_source = event_source;
6328 
6329 	return ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
6330 }
6331 
6332 /**
6333  * ice_aq_set_lldp_mib - Set the LLDP MIB
6334  * @hw: pointer to the HW struct
6335  * @mib_type: Local, Remote or both Local and Remote MIBs
6336  * @buf: pointer to the caller-supplied buffer to store the MIB block
6337  * @buf_size: size of the buffer (in bytes)
6338  * @cd: pointer to command details structure or NULL
6339  *
6340  * Set the LLDP MIB. (0x0A08)
6341  */
6342 int
ice_aq_set_lldp_mib(struct ice_hw * hw,u8 mib_type,void * buf,u16 buf_size,struct ice_sq_cd * cd)6343 ice_aq_set_lldp_mib(struct ice_hw *hw, u8 mib_type, void *buf, u16 buf_size,
6344 		    struct ice_sq_cd *cd)
6345 {
6346 	struct ice_aqc_lldp_set_local_mib *cmd;
6347 	struct libie_aq_desc desc;
6348 
6349 	cmd = libie_aq_raw(&desc);
6350 
6351 	if (buf_size == 0 || !buf)
6352 		return -EINVAL;
6353 
6354 	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_lldp_set_local_mib);
6355 
6356 	desc.flags |= cpu_to_le16((u16)LIBIE_AQ_FLAG_RD);
6357 	desc.datalen = cpu_to_le16(buf_size);
6358 
6359 	cmd->type = mib_type;
6360 	cmd->length = cpu_to_le16(buf_size);
6361 
6362 	return ice_aq_send_cmd(hw, &desc, buf, buf_size, cd);
6363 }
6364 
6365 /**
6366  * ice_fw_supports_lldp_fltr_ctrl - check NVM version supports lldp_fltr_ctrl
6367  * @hw: pointer to HW struct
6368  */
ice_fw_supports_lldp_fltr_ctrl(struct ice_hw * hw)6369 bool ice_fw_supports_lldp_fltr_ctrl(struct ice_hw *hw)
6370 {
6371 	if (hw->mac_type != ICE_MAC_E810)
6372 		return false;
6373 
6374 	return ice_is_fw_api_min_ver(hw, ICE_FW_API_LLDP_FLTR_MAJ,
6375 				     ICE_FW_API_LLDP_FLTR_MIN,
6376 				     ICE_FW_API_LLDP_FLTR_PATCH);
6377 }
6378 
6379 /**
6380  * ice_lldp_fltr_add_remove - add or remove a LLDP Rx switch filter
6381  * @hw: pointer to HW struct
6382  * @vsi: VSI to add the filter to
6383  * @add: boolean for if adding or removing a filter
6384  *
6385  * Return: 0 on success, -EOPNOTSUPP if the operation cannot be performed
6386  *	   with this HW or VSI, otherwise an error corresponding to
6387  *	   the AQ transaction result.
6388  */
ice_lldp_fltr_add_remove(struct ice_hw * hw,struct ice_vsi * vsi,bool add)6389 int ice_lldp_fltr_add_remove(struct ice_hw *hw, struct ice_vsi *vsi, bool add)
6390 {
6391 	struct ice_aqc_lldp_filter_ctrl *cmd;
6392 	struct libie_aq_desc desc;
6393 
6394 	if (vsi->type != ICE_VSI_PF || !ice_fw_supports_lldp_fltr_ctrl(hw))
6395 		return -EOPNOTSUPP;
6396 
6397 	cmd = libie_aq_raw(&desc);
6398 
6399 	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_lldp_filter_ctrl);
6400 
6401 	if (add)
6402 		cmd->cmd_flags = ICE_AQC_LLDP_FILTER_ACTION_ADD;
6403 	else
6404 		cmd->cmd_flags = ICE_AQC_LLDP_FILTER_ACTION_DELETE;
6405 
6406 	cmd->vsi_num = cpu_to_le16(vsi->vsi_num);
6407 
6408 	return ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
6409 }
6410 
6411 /**
6412  * ice_lldp_execute_pending_mib - execute LLDP pending MIB request
6413  * @hw: pointer to HW struct
6414  */
ice_lldp_execute_pending_mib(struct ice_hw * hw)6415 int ice_lldp_execute_pending_mib(struct ice_hw *hw)
6416 {
6417 	struct libie_aq_desc desc;
6418 
6419 	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_lldp_execute_pending_mib);
6420 
6421 	return ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
6422 }
6423 
6424 /**
6425  * ice_fw_supports_report_dflt_cfg
6426  * @hw: pointer to the hardware structure
6427  *
6428  * Checks if the firmware supports report default configuration
6429  */
ice_fw_supports_report_dflt_cfg(struct ice_hw * hw)6430 bool ice_fw_supports_report_dflt_cfg(struct ice_hw *hw)
6431 {
6432 	return ice_is_fw_api_min_ver(hw, ICE_FW_API_REPORT_DFLT_CFG_MAJ,
6433 				     ICE_FW_API_REPORT_DFLT_CFG_MIN,
6434 				     ICE_FW_API_REPORT_DFLT_CFG_PATCH);
6435 }
6436 
6437 /* each of the indexes into the following array match the speed of a return
6438  * value from the list of AQ returned speeds like the range:
6439  * ICE_AQ_LINK_SPEED_10MB .. ICE_AQ_LINK_SPEED_100GB excluding
6440  * ICE_AQ_LINK_SPEED_UNKNOWN which is BIT(15) and maps to BIT(14) in this
6441  * array. The array is defined as 15 elements long because the link_speed
6442  * returned by the firmware is a 16 bit * value, but is indexed
6443  * by [fls(speed) - 1]
6444  */
6445 static const u32 ice_aq_to_link_speed[] = {
6446 	SPEED_10,	/* BIT(0) */
6447 	SPEED_100,
6448 	SPEED_1000,
6449 	SPEED_2500,
6450 	SPEED_5000,
6451 	SPEED_10000,
6452 	SPEED_20000,
6453 	SPEED_25000,
6454 	SPEED_40000,
6455 	SPEED_50000,
6456 	SPEED_100000,	/* BIT(10) */
6457 	SPEED_200000,
6458 };
6459 
6460 /**
6461  * ice_get_link_speed - get integer speed from table
6462  * @index: array index from fls(aq speed) - 1
6463  *
6464  * Returns: u32 value containing integer speed
6465  */
ice_get_link_speed(u16 index)6466 u32 ice_get_link_speed(u16 index)
6467 {
6468 	if (index >= ARRAY_SIZE(ice_aq_to_link_speed))
6469 		return 0;
6470 
6471 	return ice_aq_to_link_speed[index];
6472 }
6473 
6474 /**
6475  * ice_get_dest_cgu - get destination CGU dev for given HW
6476  * @hw: pointer to the HW struct
6477  *
6478  * Get CGU client id for CGU register read/write operations.
6479  *
6480  * Return: CGU device id to use in SBQ transactions.
6481  */
ice_get_dest_cgu(struct ice_hw * hw)6482 static enum ice_sbq_dev_id ice_get_dest_cgu(struct ice_hw *hw)
6483 {
6484 	/* On dual complex E825 only complex 0 has functional CGU powering all
6485 	 * the PHYs.
6486 	 * SBQ destination device cgu points to CGU on a current complex and to
6487 	 * access primary CGU from the secondary complex, the driver should use
6488 	 * cgu_peer as a destination device.
6489 	 */
6490 	if (hw->mac_type == ICE_MAC_GENERIC_3K_E825 && ice_is_dual(hw) &&
6491 	    !ice_is_primary(hw))
6492 		return ice_sbq_dev_cgu_peer;
6493 	return ice_sbq_dev_cgu;
6494 }
6495 
6496 /**
6497  * ice_read_cgu_reg - Read a CGU register
6498  * @hw: Pointer to the HW struct
6499  * @addr: Register address to read
6500  * @val: Storage for register value read
6501  *
6502  * Read the contents of a register of the Clock Generation Unit. Only
6503  * applicable to E82X devices.
6504  *
6505  * Return: 0 on success, other error codes when failed to read from CGU.
6506  */
ice_read_cgu_reg(struct ice_hw * hw,u32 addr,u32 * val)6507 int ice_read_cgu_reg(struct ice_hw *hw, u32 addr, u32 *val)
6508 {
6509 	struct ice_sbq_msg_input cgu_msg = {
6510 		.dest_dev = ice_get_dest_cgu(hw),
6511 		.opcode = ice_sbq_msg_rd,
6512 		.msg_addr_low = addr
6513 	};
6514 	int err;
6515 
6516 	err = ice_sbq_rw_reg(hw, &cgu_msg, LIBIE_AQ_FLAG_RD);
6517 	if (err) {
6518 		ice_debug(hw, ICE_DBG_PTP, "Failed to read CGU register 0x%04x, err %d\n",
6519 			  addr, err);
6520 		return err;
6521 	}
6522 
6523 	*val = cgu_msg.data;
6524 
6525 	return 0;
6526 }
6527 
6528 /**
6529  * ice_write_cgu_reg - Write a CGU register
6530  * @hw: Pointer to the HW struct
6531  * @addr: Register address to write
6532  * @val: Value to write into the register
6533  *
6534  * Write the specified value to a register of the Clock Generation Unit. Only
6535  * applicable to E82X devices.
6536  *
6537  * Return: 0 on success, other error codes when failed to write to CGU.
6538  */
ice_write_cgu_reg(struct ice_hw * hw,u32 addr,u32 val)6539 int ice_write_cgu_reg(struct ice_hw *hw, u32 addr, u32 val)
6540 {
6541 	struct ice_sbq_msg_input cgu_msg = {
6542 		.dest_dev = ice_get_dest_cgu(hw),
6543 		.opcode = ice_sbq_msg_wr,
6544 		.msg_addr_low = addr,
6545 		.data = val
6546 	};
6547 	int err;
6548 
6549 	err = ice_sbq_rw_reg(hw, &cgu_msg, LIBIE_AQ_FLAG_RD);
6550 	if (err)
6551 		ice_debug(hw, ICE_DBG_PTP, "Failed to write CGU register 0x%04x, err %d\n",
6552 			  addr, err);
6553 
6554 	return err;
6555 }
6556