blob: 4a82b99c5a45b88995604f9238ddabc255107588 [file] [log] [blame]
Yuval Mintzfe56b9e2015-10-26 11:02:25 +02001/* QLogic qed NIC Driver
2 * Copyright (c) 2015 QLogic Corporation
3 *
4 * This software is available under the terms of the GNU General Public License
5 * (GPL) Version 2, available from the file COPYING in the main directory of
6 * this source tree.
7 */
8
9#include <linux/types.h>
10#include <asm/byteorder.h>
11#include <linux/delay.h>
12#include <linux/errno.h>
13#include <linux/kernel.h>
Yuval Mintzfe56b9e2015-10-26 11:02:25 +020014#include <linux/slab.h>
Tomer Tayar5529bad2016-03-09 09:16:24 +020015#include <linux/spinlock.h>
Yuval Mintzfe56b9e2015-10-26 11:02:25 +020016#include <linux/string.h>
17#include "qed.h"
Sudarsana Reddy Kalluru39651ab2016-05-17 06:44:26 -040018#include "qed_dcbx.h"
Yuval Mintzfe56b9e2015-10-26 11:02:25 +020019#include "qed_hsi.h"
20#include "qed_hw.h"
21#include "qed_mcp.h"
22#include "qed_reg_addr.h"
Yuval Mintz1408cc1f2016-05-11 16:36:14 +030023#include "qed_sriov.h"
24
Yuval Mintzfe56b9e2015-10-26 11:02:25 +020025#define CHIP_MCP_RESP_ITER_US 10
26
27#define QED_DRV_MB_MAX_RETRIES (500 * 1000) /* Account for 5 sec */
28#define QED_MCP_RESET_RETRIES (50 * 1000) /* Account for 500 msec */
29
30#define DRV_INNER_WR(_p_hwfn, _p_ptt, _ptr, _offset, _val) \
31 qed_wr(_p_hwfn, _p_ptt, (_p_hwfn->mcp_info->_ptr + _offset), \
32 _val)
33
34#define DRV_INNER_RD(_p_hwfn, _p_ptt, _ptr, _offset) \
35 qed_rd(_p_hwfn, _p_ptt, (_p_hwfn->mcp_info->_ptr + _offset))
36
37#define DRV_MB_WR(_p_hwfn, _p_ptt, _field, _val) \
38 DRV_INNER_WR(p_hwfn, _p_ptt, drv_mb_addr, \
39 offsetof(struct public_drv_mb, _field), _val)
40
41#define DRV_MB_RD(_p_hwfn, _p_ptt, _field) \
42 DRV_INNER_RD(_p_hwfn, _p_ptt, drv_mb_addr, \
43 offsetof(struct public_drv_mb, _field))
44
45#define PDA_COMP (((FW_MAJOR_VERSION) + (FW_MINOR_VERSION << 8)) << \
46 DRV_ID_PDA_COMP_VER_SHIFT)
47
48#define MCP_BYTES_PER_MBIT_SHIFT 17
49
50bool qed_mcp_is_init(struct qed_hwfn *p_hwfn)
51{
52 if (!p_hwfn->mcp_info || !p_hwfn->mcp_info->public_base)
53 return false;
54 return true;
55}
56
Yuval Mintz1a635e42016-08-15 10:42:43 +030057void qed_mcp_cmd_port_init(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
Yuval Mintzfe56b9e2015-10-26 11:02:25 +020058{
59 u32 addr = SECTION_OFFSIZE_ADDR(p_hwfn->mcp_info->public_base,
60 PUBLIC_PORT);
61 u32 mfw_mb_offsize = qed_rd(p_hwfn, p_ptt, addr);
62
63 p_hwfn->mcp_info->port_addr = SECTION_ADDR(mfw_mb_offsize,
64 MFW_PORT(p_hwfn));
65 DP_VERBOSE(p_hwfn, QED_MSG_SP,
66 "port_addr = 0x%x, port_id 0x%02x\n",
67 p_hwfn->mcp_info->port_addr, MFW_PORT(p_hwfn));
68}
69
Yuval Mintz1a635e42016-08-15 10:42:43 +030070void qed_mcp_read_mb(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
Yuval Mintzfe56b9e2015-10-26 11:02:25 +020071{
72 u32 length = MFW_DRV_MSG_MAX_DWORDS(p_hwfn->mcp_info->mfw_mb_length);
73 u32 tmp, i;
74
75 if (!p_hwfn->mcp_info->public_base)
76 return;
77
78 for (i = 0; i < length; i++) {
79 tmp = qed_rd(p_hwfn, p_ptt,
80 p_hwfn->mcp_info->mfw_mb_addr +
81 (i << 2) + sizeof(u32));
82
83 /* The MB data is actually BE; Need to force it to cpu */
84 ((u32 *)p_hwfn->mcp_info->mfw_mb_cur)[i] =
85 be32_to_cpu((__force __be32)tmp);
86 }
87}
88
89int qed_mcp_free(struct qed_hwfn *p_hwfn)
90{
91 if (p_hwfn->mcp_info) {
92 kfree(p_hwfn->mcp_info->mfw_mb_cur);
93 kfree(p_hwfn->mcp_info->mfw_mb_shadow);
94 }
95 kfree(p_hwfn->mcp_info);
96
97 return 0;
98}
99
Yuval Mintz1a635e42016-08-15 10:42:43 +0300100static int qed_load_mcp_offsets(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
Yuval Mintzfe56b9e2015-10-26 11:02:25 +0200101{
102 struct qed_mcp_info *p_info = p_hwfn->mcp_info;
103 u32 drv_mb_offsize, mfw_mb_offsize;
104 u32 mcp_pf_id = MCP_PF_ID(p_hwfn);
105
106 p_info->public_base = qed_rd(p_hwfn, p_ptt, MISC_REG_SHARED_MEM_ADDR);
107 if (!p_info->public_base)
108 return 0;
109
110 p_info->public_base |= GRCBASE_MCP;
111
112 /* Calculate the driver and MFW mailbox address */
113 drv_mb_offsize = qed_rd(p_hwfn, p_ptt,
114 SECTION_OFFSIZE_ADDR(p_info->public_base,
115 PUBLIC_DRV_MB));
116 p_info->drv_mb_addr = SECTION_ADDR(drv_mb_offsize, mcp_pf_id);
117 DP_VERBOSE(p_hwfn, QED_MSG_SP,
118 "drv_mb_offsiz = 0x%x, drv_mb_addr = 0x%x mcp_pf_id = 0x%x\n",
119 drv_mb_offsize, p_info->drv_mb_addr, mcp_pf_id);
120
121 /* Set the MFW MB address */
122 mfw_mb_offsize = qed_rd(p_hwfn, p_ptt,
123 SECTION_OFFSIZE_ADDR(p_info->public_base,
124 PUBLIC_MFW_MB));
125 p_info->mfw_mb_addr = SECTION_ADDR(mfw_mb_offsize, mcp_pf_id);
126 p_info->mfw_mb_length = (u16)qed_rd(p_hwfn, p_ptt, p_info->mfw_mb_addr);
127
128 /* Get the current driver mailbox sequence before sending
129 * the first command
130 */
131 p_info->drv_mb_seq = DRV_MB_RD(p_hwfn, p_ptt, drv_mb_header) &
132 DRV_MSG_SEQ_NUMBER_MASK;
133
134 /* Get current FW pulse sequence */
135 p_info->drv_pulse_seq = DRV_MB_RD(p_hwfn, p_ptt, drv_pulse_mb) &
136 DRV_PULSE_SEQ_MASK;
137
138 p_info->mcp_hist = (u16)qed_rd(p_hwfn, p_ptt, MISCS_REG_GENERIC_POR_0);
139
140 return 0;
141}
142
Yuval Mintz1a635e42016-08-15 10:42:43 +0300143int qed_mcp_cmd_init(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
Yuval Mintzfe56b9e2015-10-26 11:02:25 +0200144{
145 struct qed_mcp_info *p_info;
146 u32 size;
147
148 /* Allocate mcp_info structure */
Yuval Mintz60fffb32016-02-21 11:40:07 +0200149 p_hwfn->mcp_info = kzalloc(sizeof(*p_hwfn->mcp_info), GFP_KERNEL);
Yuval Mintzfe56b9e2015-10-26 11:02:25 +0200150 if (!p_hwfn->mcp_info)
151 goto err;
152 p_info = p_hwfn->mcp_info;
153
154 if (qed_load_mcp_offsets(p_hwfn, p_ptt) != 0) {
155 DP_NOTICE(p_hwfn, "MCP is not initialized\n");
156 /* Do not free mcp_info here, since public_base indicate that
157 * the MCP is not initialized
158 */
159 return 0;
160 }
161
162 size = MFW_DRV_MSG_MAX_DWORDS(p_info->mfw_mb_length) * sizeof(u32);
Yuval Mintz60fffb32016-02-21 11:40:07 +0200163 p_info->mfw_mb_cur = kzalloc(size, GFP_KERNEL);
Yuval Mintzfe56b9e2015-10-26 11:02:25 +0200164 p_info->mfw_mb_shadow =
165 kzalloc(sizeof(u32) * MFW_DRV_MSG_MAX_DWORDS(
Yuval Mintz60fffb32016-02-21 11:40:07 +0200166 p_info->mfw_mb_length), GFP_KERNEL);
Yuval Mintzfe56b9e2015-10-26 11:02:25 +0200167 if (!p_info->mfw_mb_shadow || !p_info->mfw_mb_addr)
168 goto err;
169
Tomer Tayar5529bad2016-03-09 09:16:24 +0200170 /* Initialize the MFW spinlock */
171 spin_lock_init(&p_info->lock);
Yuval Mintzfe56b9e2015-10-26 11:02:25 +0200172
173 return 0;
174
175err:
176 DP_NOTICE(p_hwfn, "Failed to allocate mcp memory\n");
177 qed_mcp_free(p_hwfn);
178 return -ENOMEM;
179}
180
Tomer Tayar5529bad2016-03-09 09:16:24 +0200181/* Locks the MFW mailbox of a PF to ensure a single access.
182 * The lock is achieved in most cases by holding a spinlock, causing other
183 * threads to wait till a previous access is done.
184 * In some cases (currently when a [UN]LOAD_REQ commands are sent), the single
185 * access is achieved by setting a blocking flag, which will fail other
186 * competing contexts to send their mailboxes.
187 */
Yuval Mintz1a635e42016-08-15 10:42:43 +0300188static int qed_mcp_mb_lock(struct qed_hwfn *p_hwfn, u32 cmd)
Tomer Tayar5529bad2016-03-09 09:16:24 +0200189{
190 spin_lock_bh(&p_hwfn->mcp_info->lock);
191
192 /* The spinlock shouldn't be acquired when the mailbox command is
193 * [UN]LOAD_REQ, since the engine is locked by the MFW, and a parallel
194 * pending [UN]LOAD_REQ command of another PF together with a spinlock
195 * (i.e. interrupts are disabled) - can lead to a deadlock.
196 * It is assumed that for a single PF, no other mailbox commands can be
197 * sent from another context while sending LOAD_REQ, and that any
198 * parallel commands to UNLOAD_REQ can be cancelled.
199 */
200 if (cmd == DRV_MSG_CODE_LOAD_DONE || cmd == DRV_MSG_CODE_UNLOAD_DONE)
201 p_hwfn->mcp_info->block_mb_sending = false;
202
203 if (p_hwfn->mcp_info->block_mb_sending) {
204 DP_NOTICE(p_hwfn,
205 "Trying to send a MFW mailbox command [0x%x] in parallel to [UN]LOAD_REQ. Aborting.\n",
206 cmd);
207 spin_unlock_bh(&p_hwfn->mcp_info->lock);
208 return -EBUSY;
209 }
210
211 if (cmd == DRV_MSG_CODE_LOAD_REQ || cmd == DRV_MSG_CODE_UNLOAD_REQ) {
212 p_hwfn->mcp_info->block_mb_sending = true;
213 spin_unlock_bh(&p_hwfn->mcp_info->lock);
214 }
215
216 return 0;
217}
218
Yuval Mintz1a635e42016-08-15 10:42:43 +0300219static void qed_mcp_mb_unlock(struct qed_hwfn *p_hwfn, u32 cmd)
Tomer Tayar5529bad2016-03-09 09:16:24 +0200220{
221 if (cmd != DRV_MSG_CODE_LOAD_REQ && cmd != DRV_MSG_CODE_UNLOAD_REQ)
222 spin_unlock_bh(&p_hwfn->mcp_info->lock);
223}
224
Yuval Mintz1a635e42016-08-15 10:42:43 +0300225int qed_mcp_reset(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
Yuval Mintzfe56b9e2015-10-26 11:02:25 +0200226{
227 u32 seq = ++p_hwfn->mcp_info->drv_mb_seq;
228 u8 delay = CHIP_MCP_RESP_ITER_US;
229 u32 org_mcp_reset_seq, cnt = 0;
230 int rc = 0;
231
Tomer Tayar5529bad2016-03-09 09:16:24 +0200232 /* Ensure that only a single thread is accessing the mailbox at a
233 * certain time.
234 */
235 rc = qed_mcp_mb_lock(p_hwfn, DRV_MSG_CODE_MCP_RESET);
236 if (rc != 0)
237 return rc;
238
Yuval Mintzfe56b9e2015-10-26 11:02:25 +0200239 /* Set drv command along with the updated sequence */
240 org_mcp_reset_seq = qed_rd(p_hwfn, p_ptt, MISCS_REG_GENERIC_POR_0);
241 DRV_MB_WR(p_hwfn, p_ptt, drv_mb_header,
242 (DRV_MSG_CODE_MCP_RESET | seq));
243
244 do {
245 /* Wait for MFW response */
246 udelay(delay);
247 /* Give the FW up to 500 second (50*1000*10usec) */
248 } while ((org_mcp_reset_seq == qed_rd(p_hwfn, p_ptt,
249 MISCS_REG_GENERIC_POR_0)) &&
250 (cnt++ < QED_MCP_RESET_RETRIES));
251
252 if (org_mcp_reset_seq !=
253 qed_rd(p_hwfn, p_ptt, MISCS_REG_GENERIC_POR_0)) {
254 DP_VERBOSE(p_hwfn, QED_MSG_SP,
255 "MCP was reset after %d usec\n", cnt * delay);
256 } else {
257 DP_ERR(p_hwfn, "Failed to reset MCP\n");
258 rc = -EAGAIN;
259 }
260
Tomer Tayar5529bad2016-03-09 09:16:24 +0200261 qed_mcp_mb_unlock(p_hwfn, DRV_MSG_CODE_MCP_RESET);
262
Yuval Mintzfe56b9e2015-10-26 11:02:25 +0200263 return rc;
264}
265
266static int qed_do_mcp_cmd(struct qed_hwfn *p_hwfn,
267 struct qed_ptt *p_ptt,
268 u32 cmd,
269 u32 param,
270 u32 *o_mcp_resp,
271 u32 *o_mcp_param)
272{
273 u8 delay = CHIP_MCP_RESP_ITER_US;
274 u32 seq, cnt = 1, actual_mb_seq;
275 int rc = 0;
276
277 /* Get actual driver mailbox sequence */
278 actual_mb_seq = DRV_MB_RD(p_hwfn, p_ptt, drv_mb_header) &
279 DRV_MSG_SEQ_NUMBER_MASK;
280
281 /* Use MCP history register to check if MCP reset occurred between
282 * init time and now.
283 */
284 if (p_hwfn->mcp_info->mcp_hist !=
285 qed_rd(p_hwfn, p_ptt, MISCS_REG_GENERIC_POR_0)) {
286 DP_VERBOSE(p_hwfn, QED_MSG_SP, "Rereading MCP offsets\n");
287 qed_load_mcp_offsets(p_hwfn, p_ptt);
288 qed_mcp_cmd_port_init(p_hwfn, p_ptt);
289 }
290 seq = ++p_hwfn->mcp_info->drv_mb_seq;
291
292 /* Set drv param */
293 DRV_MB_WR(p_hwfn, p_ptt, drv_mb_param, param);
294
295 /* Set drv command along with the updated sequence */
296 DRV_MB_WR(p_hwfn, p_ptt, drv_mb_header, (cmd | seq));
297
298 DP_VERBOSE(p_hwfn, QED_MSG_SP,
299 "wrote command (%x) to MFW MB param 0x%08x\n",
300 (cmd | seq), param);
301
302 do {
303 /* Wait for MFW response */
304 udelay(delay);
305 *o_mcp_resp = DRV_MB_RD(p_hwfn, p_ptt, fw_mb_header);
306
307 /* Give the FW up to 5 second (500*10ms) */
308 } while ((seq != (*o_mcp_resp & FW_MSG_SEQ_NUMBER_MASK)) &&
309 (cnt++ < QED_DRV_MB_MAX_RETRIES));
310
311 DP_VERBOSE(p_hwfn, QED_MSG_SP,
312 "[after %d ms] read (%x) seq is (%x) from FW MB\n",
313 cnt * delay, *o_mcp_resp, seq);
314
315 /* Is this a reply to our command? */
316 if (seq == (*o_mcp_resp & FW_MSG_SEQ_NUMBER_MASK)) {
317 *o_mcp_resp &= FW_MSG_CODE_MASK;
318 /* Get the MCP param */
319 *o_mcp_param = DRV_MB_RD(p_hwfn, p_ptt, fw_mb_param);
320 } else {
321 /* FW BUG! */
322 DP_ERR(p_hwfn, "MFW failed to respond!\n");
323 *o_mcp_resp = 0;
324 rc = -EAGAIN;
325 }
326 return rc;
327}
328
Tomer Tayar5529bad2016-03-09 09:16:24 +0200329static int qed_mcp_cmd_and_union(struct qed_hwfn *p_hwfn,
330 struct qed_ptt *p_ptt,
331 struct qed_mcp_mb_params *p_mb_params)
Yuval Mintzfe56b9e2015-10-26 11:02:25 +0200332{
Tomer Tayar5529bad2016-03-09 09:16:24 +0200333 u32 union_data_addr;
334 int rc;
Yuval Mintzfe56b9e2015-10-26 11:02:25 +0200335
336 /* MCP not initialized */
337 if (!qed_mcp_is_init(p_hwfn)) {
338 DP_NOTICE(p_hwfn, "MFW is not initialized !\n");
339 return -EBUSY;
340 }
341
Tomer Tayar5529bad2016-03-09 09:16:24 +0200342 union_data_addr = p_hwfn->mcp_info->drv_mb_addr +
343 offsetof(struct public_drv_mb, union_data);
344
345 /* Ensure that only a single thread is accessing the mailbox at a
346 * certain time.
Yuval Mintzfe56b9e2015-10-26 11:02:25 +0200347 */
Tomer Tayar5529bad2016-03-09 09:16:24 +0200348 rc = qed_mcp_mb_lock(p_hwfn, p_mb_params->cmd);
349 if (rc)
350 return rc;
351
352 if (p_mb_params->p_data_src != NULL)
353 qed_memcpy_to(p_hwfn, p_ptt, union_data_addr,
354 p_mb_params->p_data_src,
355 sizeof(*p_mb_params->p_data_src));
356
357 rc = qed_do_mcp_cmd(p_hwfn, p_ptt, p_mb_params->cmd,
358 p_mb_params->param, &p_mb_params->mcp_resp,
359 &p_mb_params->mcp_param);
360
361 if (p_mb_params->p_data_dst != NULL)
362 qed_memcpy_from(p_hwfn, p_ptt, p_mb_params->p_data_dst,
363 union_data_addr,
364 sizeof(*p_mb_params->p_data_dst));
365
366 qed_mcp_mb_unlock(p_hwfn, p_mb_params->cmd);
Yuval Mintzfe56b9e2015-10-26 11:02:25 +0200367
368 return rc;
369}
370
Tomer Tayar5529bad2016-03-09 09:16:24 +0200371int qed_mcp_cmd(struct qed_hwfn *p_hwfn,
372 struct qed_ptt *p_ptt,
373 u32 cmd,
374 u32 param,
375 u32 *o_mcp_resp,
376 u32 *o_mcp_param)
Yuval Mintzfe56b9e2015-10-26 11:02:25 +0200377{
Tomer Tayar5529bad2016-03-09 09:16:24 +0200378 struct qed_mcp_mb_params mb_params;
379 int rc;
Yuval Mintzfe56b9e2015-10-26 11:02:25 +0200380
Tomer Tayar5529bad2016-03-09 09:16:24 +0200381 memset(&mb_params, 0, sizeof(mb_params));
382 mb_params.cmd = cmd;
383 mb_params.param = param;
384 rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
385 if (rc)
386 return rc;
387
388 *o_mcp_resp = mb_params.mcp_resp;
389 *o_mcp_param = mb_params.mcp_param;
390
391 return 0;
Yuval Mintzfe56b9e2015-10-26 11:02:25 +0200392}
393
394int qed_mcp_load_req(struct qed_hwfn *p_hwfn,
Yuval Mintz1a635e42016-08-15 10:42:43 +0300395 struct qed_ptt *p_ptt, u32 *p_load_code)
Yuval Mintzfe56b9e2015-10-26 11:02:25 +0200396{
397 struct qed_dev *cdev = p_hwfn->cdev;
Tomer Tayar5529bad2016-03-09 09:16:24 +0200398 struct qed_mcp_mb_params mb_params;
399 union drv_union_data union_data;
Yuval Mintzfe56b9e2015-10-26 11:02:25 +0200400 int rc;
401
Tomer Tayar5529bad2016-03-09 09:16:24 +0200402 memset(&mb_params, 0, sizeof(mb_params));
Yuval Mintzfe56b9e2015-10-26 11:02:25 +0200403 /* Load Request */
Tomer Tayar5529bad2016-03-09 09:16:24 +0200404 mb_params.cmd = DRV_MSG_CODE_LOAD_REQ;
405 mb_params.param = PDA_COMP | DRV_ID_MCP_HSI_VER_CURRENT |
406 cdev->drv_type;
407 memcpy(&union_data.ver_str, cdev->ver_str, MCP_DRV_VER_STR_SIZE);
408 mb_params.p_data_src = &union_data;
409 rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
Yuval Mintzfe56b9e2015-10-26 11:02:25 +0200410
411 /* if mcp fails to respond we must abort */
412 if (rc) {
413 DP_ERR(p_hwfn, "MCP response failure, aborting\n");
414 return rc;
415 }
416
Tomer Tayar5529bad2016-03-09 09:16:24 +0200417 *p_load_code = mb_params.mcp_resp;
418
Yuval Mintzfe56b9e2015-10-26 11:02:25 +0200419 /* If MFW refused (e.g. other port is in diagnostic mode) we
420 * must abort. This can happen in the following cases:
421 * - Other port is in diagnostic mode
422 * - Previously loaded function on the engine is not compliant with
423 * the requester.
424 * - MFW cannot cope with the requester's DRV_MFW_HSI_VERSION.
425 * -
426 */
427 if (!(*p_load_code) ||
428 ((*p_load_code) == FW_MSG_CODE_DRV_LOAD_REFUSED_HSI) ||
429 ((*p_load_code) == FW_MSG_CODE_DRV_LOAD_REFUSED_PDA) ||
430 ((*p_load_code) == FW_MSG_CODE_DRV_LOAD_REFUSED_DIAG)) {
431 DP_ERR(p_hwfn, "MCP refused load request, aborting\n");
432 return -EBUSY;
433 }
434
435 return 0;
436}
437
Yuval Mintz0b55e272016-05-11 16:36:15 +0300438static void qed_mcp_handle_vf_flr(struct qed_hwfn *p_hwfn,
439 struct qed_ptt *p_ptt)
440{
441 u32 addr = SECTION_OFFSIZE_ADDR(p_hwfn->mcp_info->public_base,
442 PUBLIC_PATH);
443 u32 mfw_path_offsize = qed_rd(p_hwfn, p_ptt, addr);
444 u32 path_addr = SECTION_ADDR(mfw_path_offsize,
445 QED_PATH_ID(p_hwfn));
446 u32 disabled_vfs[VF_MAX_STATIC / 32];
447 int i;
448
449 DP_VERBOSE(p_hwfn,
450 QED_MSG_SP,
451 "Reading Disabled VF information from [offset %08x], path_addr %08x\n",
452 mfw_path_offsize, path_addr);
453
454 for (i = 0; i < (VF_MAX_STATIC / 32); i++) {
455 disabled_vfs[i] = qed_rd(p_hwfn, p_ptt,
456 path_addr +
457 offsetof(struct public_path,
458 mcp_vf_disabled) +
459 sizeof(u32) * i);
460 DP_VERBOSE(p_hwfn, (QED_MSG_SP | QED_MSG_IOV),
461 "FLR-ed VFs [%08x,...,%08x] - %08x\n",
462 i * 32, (i + 1) * 32 - 1, disabled_vfs[i]);
463 }
464
465 if (qed_iov_mark_vf_flr(p_hwfn, disabled_vfs))
466 qed_schedule_iov(p_hwfn, QED_IOV_WQ_FLR_FLAG);
467}
468
469int qed_mcp_ack_vf_flr(struct qed_hwfn *p_hwfn,
470 struct qed_ptt *p_ptt, u32 *vfs_to_ack)
471{
472 u32 addr = SECTION_OFFSIZE_ADDR(p_hwfn->mcp_info->public_base,
473 PUBLIC_FUNC);
474 u32 mfw_func_offsize = qed_rd(p_hwfn, p_ptt, addr);
475 u32 func_addr = SECTION_ADDR(mfw_func_offsize,
476 MCP_PF_ID(p_hwfn));
477 struct qed_mcp_mb_params mb_params;
478 union drv_union_data union_data;
479 int rc;
480 int i;
481
482 for (i = 0; i < (VF_MAX_STATIC / 32); i++)
483 DP_VERBOSE(p_hwfn, (QED_MSG_SP | QED_MSG_IOV),
484 "Acking VFs [%08x,...,%08x] - %08x\n",
485 i * 32, (i + 1) * 32 - 1, vfs_to_ack[i]);
486
487 memset(&mb_params, 0, sizeof(mb_params));
488 mb_params.cmd = DRV_MSG_CODE_VF_DISABLED_DONE;
489 memcpy(&union_data.ack_vf_disabled, vfs_to_ack, VF_MAX_STATIC / 8);
490 mb_params.p_data_src = &union_data;
491 rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
492 if (rc) {
493 DP_NOTICE(p_hwfn, "Failed to pass ACK for VF flr to MFW\n");
494 return -EBUSY;
495 }
496
497 /* Clear the ACK bits */
498 for (i = 0; i < (VF_MAX_STATIC / 32); i++)
499 qed_wr(p_hwfn, p_ptt,
500 func_addr +
501 offsetof(struct public_func, drv_ack_vf_disabled) +
502 i * sizeof(u32), 0);
503
504 return rc;
505}
506
Zvi Nachmani334c03b2016-03-09 09:16:25 +0200507static void qed_mcp_handle_transceiver_change(struct qed_hwfn *p_hwfn,
508 struct qed_ptt *p_ptt)
509{
510 u32 transceiver_state;
511
512 transceiver_state = qed_rd(p_hwfn, p_ptt,
513 p_hwfn->mcp_info->port_addr +
514 offsetof(struct public_port,
515 transceiver_data));
516
517 DP_VERBOSE(p_hwfn,
518 (NETIF_MSG_HW | QED_MSG_SP),
519 "Received transceiver state update [0x%08x] from mfw [Addr 0x%x]\n",
520 transceiver_state,
521 (u32)(p_hwfn->mcp_info->port_addr +
Yuval Mintz1a635e42016-08-15 10:42:43 +0300522 offsetof(struct public_port, transceiver_data)));
Zvi Nachmani334c03b2016-03-09 09:16:25 +0200523
524 transceiver_state = GET_FIELD(transceiver_state,
Yuval Mintz351a4ded2016-06-02 10:23:29 +0300525 ETH_TRANSCEIVER_STATE);
Zvi Nachmani334c03b2016-03-09 09:16:25 +0200526
Yuval Mintz351a4ded2016-06-02 10:23:29 +0300527 if (transceiver_state == ETH_TRANSCEIVER_STATE_PRESENT)
Zvi Nachmani334c03b2016-03-09 09:16:25 +0200528 DP_NOTICE(p_hwfn, "Transceiver is present.\n");
529 else
530 DP_NOTICE(p_hwfn, "Transceiver is unplugged.\n");
531}
532
Yuval Mintzcc875c22015-10-26 11:02:31 +0200533static void qed_mcp_handle_link_change(struct qed_hwfn *p_hwfn,
Yuval Mintz1a635e42016-08-15 10:42:43 +0300534 struct qed_ptt *p_ptt, bool b_reset)
Yuval Mintzcc875c22015-10-26 11:02:31 +0200535{
536 struct qed_mcp_link_state *p_link;
Manish Chopraa64b02d2016-04-26 10:56:10 -0400537 u8 max_bw, min_bw;
Yuval Mintzcc875c22015-10-26 11:02:31 +0200538 u32 status = 0;
539
540 p_link = &p_hwfn->mcp_info->link_output;
541 memset(p_link, 0, sizeof(*p_link));
542 if (!b_reset) {
543 status = qed_rd(p_hwfn, p_ptt,
544 p_hwfn->mcp_info->port_addr +
545 offsetof(struct public_port, link_status));
546 DP_VERBOSE(p_hwfn, (NETIF_MSG_LINK | QED_MSG_SP),
547 "Received link update [0x%08x] from mfw [Addr 0x%x]\n",
548 status,
549 (u32)(p_hwfn->mcp_info->port_addr +
Yuval Mintz1a635e42016-08-15 10:42:43 +0300550 offsetof(struct public_port, link_status)));
Yuval Mintzcc875c22015-10-26 11:02:31 +0200551 } else {
552 DP_VERBOSE(p_hwfn, NETIF_MSG_LINK,
553 "Resetting link indications\n");
554 return;
555 }
556
Sudarsana Reddy Kallurufc916ff2016-03-09 09:16:23 +0200557 if (p_hwfn->b_drv_link_init)
558 p_link->link_up = !!(status & LINK_STATUS_LINK_UP);
559 else
560 p_link->link_up = false;
Yuval Mintzcc875c22015-10-26 11:02:31 +0200561
562 p_link->full_duplex = true;
563 switch ((status & LINK_STATUS_SPEED_AND_DUPLEX_MASK)) {
564 case LINK_STATUS_SPEED_AND_DUPLEX_100G:
565 p_link->speed = 100000;
566 break;
567 case LINK_STATUS_SPEED_AND_DUPLEX_50G:
568 p_link->speed = 50000;
569 break;
570 case LINK_STATUS_SPEED_AND_DUPLEX_40G:
571 p_link->speed = 40000;
572 break;
573 case LINK_STATUS_SPEED_AND_DUPLEX_25G:
574 p_link->speed = 25000;
575 break;
576 case LINK_STATUS_SPEED_AND_DUPLEX_20G:
577 p_link->speed = 20000;
578 break;
579 case LINK_STATUS_SPEED_AND_DUPLEX_10G:
580 p_link->speed = 10000;
581 break;
582 case LINK_STATUS_SPEED_AND_DUPLEX_1000THD:
583 p_link->full_duplex = false;
584 /* Fall-through */
585 case LINK_STATUS_SPEED_AND_DUPLEX_1000TFD:
586 p_link->speed = 1000;
587 break;
588 default:
589 p_link->speed = 0;
590 }
591
Manish Chopra4b01e512016-04-26 10:56:09 -0400592 if (p_link->link_up && p_link->speed)
593 p_link->line_speed = p_link->speed;
594 else
595 p_link->line_speed = 0;
596
597 max_bw = p_hwfn->mcp_info->func_info.bandwidth_max;
Manish Chopraa64b02d2016-04-26 10:56:10 -0400598 min_bw = p_hwfn->mcp_info->func_info.bandwidth_min;
Manish Chopra4b01e512016-04-26 10:56:09 -0400599
Manish Chopraa64b02d2016-04-26 10:56:10 -0400600 /* Max bandwidth configuration */
Manish Chopra4b01e512016-04-26 10:56:09 -0400601 __qed_configure_pf_max_bandwidth(p_hwfn, p_ptt, p_link, max_bw);
Yuval Mintzcc875c22015-10-26 11:02:31 +0200602
Manish Chopraa64b02d2016-04-26 10:56:10 -0400603 /* Min bandwidth configuration */
604 __qed_configure_pf_min_bandwidth(p_hwfn, p_ptt, p_link, min_bw);
605 qed_configure_vp_wfq_on_link_change(p_hwfn->cdev, p_link->min_pf_rate);
606
Yuval Mintzcc875c22015-10-26 11:02:31 +0200607 p_link->an = !!(status & LINK_STATUS_AUTO_NEGOTIATE_ENABLED);
608 p_link->an_complete = !!(status &
609 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE);
610 p_link->parallel_detection = !!(status &
611 LINK_STATUS_PARALLEL_DETECTION_USED);
612 p_link->pfc_enabled = !!(status & LINK_STATUS_PFC_ENABLED);
613
614 p_link->partner_adv_speed |=
615 (status & LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE) ?
616 QED_LINK_PARTNER_SPEED_1G_FD : 0;
617 p_link->partner_adv_speed |=
618 (status & LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE) ?
619 QED_LINK_PARTNER_SPEED_1G_HD : 0;
620 p_link->partner_adv_speed |=
621 (status & LINK_STATUS_LINK_PARTNER_10G_CAPABLE) ?
622 QED_LINK_PARTNER_SPEED_10G : 0;
623 p_link->partner_adv_speed |=
624 (status & LINK_STATUS_LINK_PARTNER_20G_CAPABLE) ?
625 QED_LINK_PARTNER_SPEED_20G : 0;
626 p_link->partner_adv_speed |=
Sudarsana Reddy Kalluru054c67d2016-08-09 03:51:23 -0400627 (status & LINK_STATUS_LINK_PARTNER_25G_CAPABLE) ?
628 QED_LINK_PARTNER_SPEED_25G : 0;
629 p_link->partner_adv_speed |=
Yuval Mintzcc875c22015-10-26 11:02:31 +0200630 (status & LINK_STATUS_LINK_PARTNER_40G_CAPABLE) ?
631 QED_LINK_PARTNER_SPEED_40G : 0;
632 p_link->partner_adv_speed |=
633 (status & LINK_STATUS_LINK_PARTNER_50G_CAPABLE) ?
634 QED_LINK_PARTNER_SPEED_50G : 0;
635 p_link->partner_adv_speed |=
636 (status & LINK_STATUS_LINK_PARTNER_100G_CAPABLE) ?
637 QED_LINK_PARTNER_SPEED_100G : 0;
638
639 p_link->partner_tx_flow_ctrl_en =
640 !!(status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED);
641 p_link->partner_rx_flow_ctrl_en =
642 !!(status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED);
643
644 switch (status & LINK_STATUS_LINK_PARTNER_FLOW_CONTROL_MASK) {
645 case LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE:
646 p_link->partner_adv_pause = QED_LINK_PARTNER_SYMMETRIC_PAUSE;
647 break;
648 case LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE:
649 p_link->partner_adv_pause = QED_LINK_PARTNER_ASYMMETRIC_PAUSE;
650 break;
651 case LINK_STATUS_LINK_PARTNER_BOTH_PAUSE:
652 p_link->partner_adv_pause = QED_LINK_PARTNER_BOTH_PAUSE;
653 break;
654 default:
655 p_link->partner_adv_pause = 0;
656 }
657
658 p_link->sfp_tx_fault = !!(status & LINK_STATUS_SFP_TX_FAULT);
659
660 qed_link_update(p_hwfn);
661}
662
Yuval Mintz351a4ded2016-06-02 10:23:29 +0300663int qed_mcp_set_link(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, bool b_up)
Yuval Mintzcc875c22015-10-26 11:02:31 +0200664{
665 struct qed_mcp_link_params *params = &p_hwfn->mcp_info->link_input;
Tomer Tayar5529bad2016-03-09 09:16:24 +0200666 struct qed_mcp_mb_params mb_params;
667 union drv_union_data union_data;
Yuval Mintz351a4ded2016-06-02 10:23:29 +0300668 struct eth_phy_cfg *phy_cfg;
Yuval Mintzcc875c22015-10-26 11:02:31 +0200669 int rc = 0;
Tomer Tayar5529bad2016-03-09 09:16:24 +0200670 u32 cmd;
Yuval Mintzcc875c22015-10-26 11:02:31 +0200671
672 /* Set the shmem configuration according to params */
Tomer Tayar5529bad2016-03-09 09:16:24 +0200673 phy_cfg = &union_data.drv_phy_cfg;
674 memset(phy_cfg, 0, sizeof(*phy_cfg));
Yuval Mintzcc875c22015-10-26 11:02:31 +0200675 cmd = b_up ? DRV_MSG_CODE_INIT_PHY : DRV_MSG_CODE_LINK_RESET;
676 if (!params->speed.autoneg)
Tomer Tayar5529bad2016-03-09 09:16:24 +0200677 phy_cfg->speed = params->speed.forced_speed;
Yuval Mintz351a4ded2016-06-02 10:23:29 +0300678 phy_cfg->pause |= (params->pause.autoneg) ? ETH_PAUSE_AUTONEG : 0;
679 phy_cfg->pause |= (params->pause.forced_rx) ? ETH_PAUSE_RX : 0;
680 phy_cfg->pause |= (params->pause.forced_tx) ? ETH_PAUSE_TX : 0;
Tomer Tayar5529bad2016-03-09 09:16:24 +0200681 phy_cfg->adv_speed = params->speed.advertised_speeds;
682 phy_cfg->loopback_mode = params->loopback_mode;
Yuval Mintzcc875c22015-10-26 11:02:31 +0200683
Sudarsana Reddy Kallurufc916ff2016-03-09 09:16:23 +0200684 p_hwfn->b_drv_link_init = b_up;
685
Yuval Mintzcc875c22015-10-26 11:02:31 +0200686 if (b_up) {
687 DP_VERBOSE(p_hwfn, NETIF_MSG_LINK,
688 "Configuring Link: Speed 0x%08x, Pause 0x%08x, adv_speed 0x%08x, loopback 0x%08x, features 0x%08x\n",
Tomer Tayar5529bad2016-03-09 09:16:24 +0200689 phy_cfg->speed,
690 phy_cfg->pause,
691 phy_cfg->adv_speed,
692 phy_cfg->loopback_mode,
693 phy_cfg->feature_config_flags);
Yuval Mintzcc875c22015-10-26 11:02:31 +0200694 } else {
695 DP_VERBOSE(p_hwfn, NETIF_MSG_LINK,
696 "Resetting link\n");
697 }
698
Tomer Tayar5529bad2016-03-09 09:16:24 +0200699 memset(&mb_params, 0, sizeof(mb_params));
700 mb_params.cmd = cmd;
701 mb_params.p_data_src = &union_data;
702 rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
Yuval Mintzcc875c22015-10-26 11:02:31 +0200703
704 /* if mcp fails to respond we must abort */
705 if (rc) {
706 DP_ERR(p_hwfn, "MCP response failure, aborting\n");
707 return rc;
708 }
709
710 /* Reset the link status if needed */
711 if (!b_up)
712 qed_mcp_handle_link_change(p_hwfn, p_ptt, true);
713
714 return 0;
715}
716
Manish Chopra4b01e512016-04-26 10:56:09 -0400717static void qed_read_pf_bandwidth(struct qed_hwfn *p_hwfn,
718 struct public_func *p_shmem_info)
719{
720 struct qed_mcp_function_info *p_info;
721
722 p_info = &p_hwfn->mcp_info->func_info;
723
724 p_info->bandwidth_min = (p_shmem_info->config &
725 FUNC_MF_CFG_MIN_BW_MASK) >>
726 FUNC_MF_CFG_MIN_BW_SHIFT;
727 if (p_info->bandwidth_min < 1 || p_info->bandwidth_min > 100) {
728 DP_INFO(p_hwfn,
729 "bandwidth minimum out of bounds [%02x]. Set to 1\n",
730 p_info->bandwidth_min);
731 p_info->bandwidth_min = 1;
732 }
733
734 p_info->bandwidth_max = (p_shmem_info->config &
735 FUNC_MF_CFG_MAX_BW_MASK) >>
736 FUNC_MF_CFG_MAX_BW_SHIFT;
737 if (p_info->bandwidth_max < 1 || p_info->bandwidth_max > 100) {
738 DP_INFO(p_hwfn,
739 "bandwidth maximum out of bounds [%02x]. Set to 100\n",
740 p_info->bandwidth_max);
741 p_info->bandwidth_max = 100;
742 }
743}
744
745static u32 qed_mcp_get_shmem_func(struct qed_hwfn *p_hwfn,
746 struct qed_ptt *p_ptt,
Yuval Mintz1a635e42016-08-15 10:42:43 +0300747 struct public_func *p_data, int pfid)
Manish Chopra4b01e512016-04-26 10:56:09 -0400748{
749 u32 addr = SECTION_OFFSIZE_ADDR(p_hwfn->mcp_info->public_base,
750 PUBLIC_FUNC);
751 u32 mfw_path_offsize = qed_rd(p_hwfn, p_ptt, addr);
752 u32 func_addr = SECTION_ADDR(mfw_path_offsize, pfid);
753 u32 i, size;
754
755 memset(p_data, 0, sizeof(*p_data));
756
Yuval Mintz1a635e42016-08-15 10:42:43 +0300757 size = min_t(u32, sizeof(*p_data), QED_SECTION_SIZE(mfw_path_offsize));
Manish Chopra4b01e512016-04-26 10:56:09 -0400758 for (i = 0; i < size / sizeof(u32); i++)
759 ((u32 *)p_data)[i] = qed_rd(p_hwfn, p_ptt,
760 func_addr + (i << 2));
761 return size;
762}
763
Yuval Mintz351a4ded2016-06-02 10:23:29 +0300764int qed_hw_init_first_eth(struct qed_hwfn *p_hwfn,
765 struct qed_ptt *p_ptt, u8 *p_pf)
766{
767 struct public_func shmem_info;
768 int i;
769
770 /* Find first Ethernet interface in port */
771 for (i = 0; i < NUM_OF_ENG_PFS(p_hwfn->cdev);
772 i += p_hwfn->cdev->num_ports_in_engines) {
773 qed_mcp_get_shmem_func(p_hwfn, p_ptt, &shmem_info,
774 MCP_PF_ID_BY_REL(p_hwfn, i));
775
776 if (shmem_info.config & FUNC_MF_CFG_FUNC_HIDE)
777 continue;
778
779 if ((shmem_info.config & FUNC_MF_CFG_PROTOCOL_MASK) ==
780 FUNC_MF_CFG_PROTOCOL_ETHERNET) {
781 *p_pf = (u8)i;
782 return 0;
783 }
784 }
785
786 DP_NOTICE(p_hwfn,
787 "Failed to find on port an ethernet interface in MF_SI mode\n");
788
789 return -EINVAL;
790}
791
Yuval Mintz1a635e42016-08-15 10:42:43 +0300792static void qed_mcp_update_bw(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
Manish Chopra4b01e512016-04-26 10:56:09 -0400793{
794 struct qed_mcp_function_info *p_info;
795 struct public_func shmem_info;
796 u32 resp = 0, param = 0;
797
Yuval Mintz1a635e42016-08-15 10:42:43 +0300798 qed_mcp_get_shmem_func(p_hwfn, p_ptt, &shmem_info, MCP_PF_ID(p_hwfn));
Manish Chopra4b01e512016-04-26 10:56:09 -0400799
800 qed_read_pf_bandwidth(p_hwfn, &shmem_info);
801
802 p_info = &p_hwfn->mcp_info->func_info;
803
Manish Chopraa64b02d2016-04-26 10:56:10 -0400804 qed_configure_pf_min_bandwidth(p_hwfn->cdev, p_info->bandwidth_min);
Manish Chopra4b01e512016-04-26 10:56:09 -0400805 qed_configure_pf_max_bandwidth(p_hwfn->cdev, p_info->bandwidth_max);
806
807 /* Acknowledge the MFW */
808 qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_BW_UPDATE_ACK, 0, &resp,
809 &param);
810}
811
Yuval Mintzcc875c22015-10-26 11:02:31 +0200812int qed_mcp_handle_events(struct qed_hwfn *p_hwfn,
813 struct qed_ptt *p_ptt)
814{
815 struct qed_mcp_info *info = p_hwfn->mcp_info;
816 int rc = 0;
817 bool found = false;
818 u16 i;
819
820 DP_VERBOSE(p_hwfn, QED_MSG_SP, "Received message from MFW\n");
821
822 /* Read Messages from MFW */
823 qed_mcp_read_mb(p_hwfn, p_ptt);
824
825 /* Compare current messages to old ones */
826 for (i = 0; i < info->mfw_mb_length; i++) {
827 if (info->mfw_mb_cur[i] == info->mfw_mb_shadow[i])
828 continue;
829
830 found = true;
831
832 DP_VERBOSE(p_hwfn, NETIF_MSG_LINK,
833 "Msg [%d] - old CMD 0x%02x, new CMD 0x%02x\n",
834 i, info->mfw_mb_shadow[i], info->mfw_mb_cur[i]);
835
836 switch (i) {
837 case MFW_DRV_MSG_LINK_CHANGE:
838 qed_mcp_handle_link_change(p_hwfn, p_ptt, false);
839 break;
Yuval Mintz0b55e272016-05-11 16:36:15 +0300840 case MFW_DRV_MSG_VF_DISABLED:
841 qed_mcp_handle_vf_flr(p_hwfn, p_ptt);
842 break;
Sudarsana Reddy Kalluru39651ab2016-05-17 06:44:26 -0400843 case MFW_DRV_MSG_LLDP_DATA_UPDATED:
844 qed_dcbx_mib_update_event(p_hwfn, p_ptt,
845 QED_DCBX_REMOTE_LLDP_MIB);
846 break;
847 case MFW_DRV_MSG_DCBX_REMOTE_MIB_UPDATED:
848 qed_dcbx_mib_update_event(p_hwfn, p_ptt,
849 QED_DCBX_REMOTE_MIB);
850 break;
851 case MFW_DRV_MSG_DCBX_OPERATIONAL_MIB_UPDATED:
852 qed_dcbx_mib_update_event(p_hwfn, p_ptt,
853 QED_DCBX_OPERATIONAL_MIB);
854 break;
Zvi Nachmani334c03b2016-03-09 09:16:25 +0200855 case MFW_DRV_MSG_TRANSCEIVER_STATE_CHANGE:
856 qed_mcp_handle_transceiver_change(p_hwfn, p_ptt);
857 break;
Manish Chopra4b01e512016-04-26 10:56:09 -0400858 case MFW_DRV_MSG_BW_UPDATE:
859 qed_mcp_update_bw(p_hwfn, p_ptt);
860 break;
Yuval Mintzcc875c22015-10-26 11:02:31 +0200861 default:
862 DP_NOTICE(p_hwfn, "Unimplemented MFW message %d\n", i);
863 rc = -EINVAL;
864 }
865 }
866
867 /* ACK everything */
868 for (i = 0; i < MFW_DRV_MSG_MAX_DWORDS(info->mfw_mb_length); i++) {
869 __be32 val = cpu_to_be32(((u32 *)info->mfw_mb_cur)[i]);
870
871 /* MFW expect answer in BE, so we force write in that format */
872 qed_wr(p_hwfn, p_ptt,
873 info->mfw_mb_addr + sizeof(u32) +
874 MFW_DRV_MSG_MAX_DWORDS(info->mfw_mb_length) *
875 sizeof(u32) + i * sizeof(u32),
876 (__force u32)val);
877 }
878
879 if (!found) {
880 DP_NOTICE(p_hwfn,
881 "Received an MFW message indication but no new message!\n");
882 rc = -EINVAL;
883 }
884
885 /* Copy the new mfw messages into the shadow */
886 memcpy(info->mfw_mb_shadow, info->mfw_mb_cur, info->mfw_mb_length);
887
888 return rc;
889}
890
Yuval Mintz1408cc1f2016-05-11 16:36:14 +0300891int qed_mcp_get_mfw_ver(struct qed_hwfn *p_hwfn,
892 struct qed_ptt *p_ptt,
893 u32 *p_mfw_ver, u32 *p_running_bundle_id)
Yuval Mintzfe56b9e2015-10-26 11:02:25 +0200894{
Yuval Mintzfe56b9e2015-10-26 11:02:25 +0200895 u32 global_offsize;
896
Yuval Mintz1408cc1f2016-05-11 16:36:14 +0300897 if (IS_VF(p_hwfn->cdev)) {
898 if (p_hwfn->vf_iov_info) {
899 struct pfvf_acquire_resp_tlv *p_resp;
900
901 p_resp = &p_hwfn->vf_iov_info->acquire_resp;
902 *p_mfw_ver = p_resp->pfdev_info.mfw_ver;
903 return 0;
904 } else {
905 DP_VERBOSE(p_hwfn,
906 QED_MSG_IOV,
907 "VF requested MFW version prior to ACQUIRE\n");
908 return -EINVAL;
909 }
910 }
Yuval Mintzfe56b9e2015-10-26 11:02:25 +0200911
912 global_offsize = qed_rd(p_hwfn, p_ptt,
Yuval Mintz1408cc1f2016-05-11 16:36:14 +0300913 SECTION_OFFSIZE_ADDR(p_hwfn->
914 mcp_info->public_base,
Yuval Mintzfe56b9e2015-10-26 11:02:25 +0200915 PUBLIC_GLOBAL));
Yuval Mintz1408cc1f2016-05-11 16:36:14 +0300916 *p_mfw_ver =
917 qed_rd(p_hwfn, p_ptt,
918 SECTION_ADDR(global_offsize,
919 0) + offsetof(struct public_global, mfw_ver));
Yuval Mintzfe56b9e2015-10-26 11:02:25 +0200920
Yuval Mintz1408cc1f2016-05-11 16:36:14 +0300921 if (p_running_bundle_id != NULL) {
922 *p_running_bundle_id = qed_rd(p_hwfn, p_ptt,
923 SECTION_ADDR(global_offsize, 0) +
924 offsetof(struct public_global,
925 running_bundle_id));
926 }
Yuval Mintzfe56b9e2015-10-26 11:02:25 +0200927
928 return 0;
929}
930
Yuval Mintz1a635e42016-08-15 10:42:43 +0300931int qed_mcp_get_media_type(struct qed_dev *cdev, u32 *p_media_type)
Yuval Mintzcc875c22015-10-26 11:02:31 +0200932{
933 struct qed_hwfn *p_hwfn = &cdev->hwfns[0];
934 struct qed_ptt *p_ptt;
935
Yuval Mintz1408cc1f2016-05-11 16:36:14 +0300936 if (IS_VF(cdev))
937 return -EINVAL;
938
Yuval Mintzcc875c22015-10-26 11:02:31 +0200939 if (!qed_mcp_is_init(p_hwfn)) {
940 DP_NOTICE(p_hwfn, "MFW is not initialized !\n");
941 return -EBUSY;
942 }
943
944 *p_media_type = MEDIA_UNSPECIFIED;
945
946 p_ptt = qed_ptt_acquire(p_hwfn);
947 if (!p_ptt)
948 return -EBUSY;
949
950 *p_media_type = qed_rd(p_hwfn, p_ptt, p_hwfn->mcp_info->port_addr +
951 offsetof(struct public_port, media_type));
952
953 qed_ptt_release(p_hwfn, p_ptt);
954
955 return 0;
956}
957
Yuval Mintzfe56b9e2015-10-26 11:02:25 +0200958static int
959qed_mcp_get_shmem_proto(struct qed_hwfn *p_hwfn,
960 struct public_func *p_info,
961 enum qed_pci_personality *p_proto)
962{
963 int rc = 0;
964
965 switch (p_info->config & FUNC_MF_CFG_PROTOCOL_MASK) {
966 case FUNC_MF_CFG_PROTOCOL_ETHERNET:
Yuval Mintzc5ac9312016-06-03 14:35:34 +0300967 if (test_bit(QED_DEV_CAP_ROCE,
968 &p_hwfn->hw_info.device_capabilities))
969 *p_proto = QED_PCI_ETH_ROCE;
970 else
971 *p_proto = QED_PCI_ETH;
972 break;
973 case FUNC_MF_CFG_PROTOCOL_ISCSI:
974 *p_proto = QED_PCI_ISCSI;
975 break;
976 case FUNC_MF_CFG_PROTOCOL_ROCE:
977 DP_NOTICE(p_hwfn, "RoCE personality is not a valid value!\n");
978 rc = -EINVAL;
Yuval Mintzfe56b9e2015-10-26 11:02:25 +0200979 break;
980 default:
981 rc = -EINVAL;
982 }
983
984 return rc;
985}
986
987int qed_mcp_fill_shmem_func_info(struct qed_hwfn *p_hwfn,
988 struct qed_ptt *p_ptt)
989{
990 struct qed_mcp_function_info *info;
991 struct public_func shmem_info;
992
Yuval Mintz1a635e42016-08-15 10:42:43 +0300993 qed_mcp_get_shmem_func(p_hwfn, p_ptt, &shmem_info, MCP_PF_ID(p_hwfn));
Yuval Mintzfe56b9e2015-10-26 11:02:25 +0200994 info = &p_hwfn->mcp_info->func_info;
995
996 info->pause_on_host = (shmem_info.config &
997 FUNC_MF_CFG_PAUSE_ON_HOST_RING) ? 1 : 0;
998
Yuval Mintz1a635e42016-08-15 10:42:43 +0300999 if (qed_mcp_get_shmem_proto(p_hwfn, &shmem_info, &info->protocol)) {
Yuval Mintzfe56b9e2015-10-26 11:02:25 +02001000 DP_ERR(p_hwfn, "Unknown personality %08x\n",
1001 (u32)(shmem_info.config & FUNC_MF_CFG_PROTOCOL_MASK));
1002 return -EINVAL;
1003 }
1004
Manish Chopra4b01e512016-04-26 10:56:09 -04001005 qed_read_pf_bandwidth(p_hwfn, &shmem_info);
Yuval Mintzfe56b9e2015-10-26 11:02:25 +02001006
1007 if (shmem_info.mac_upper || shmem_info.mac_lower) {
1008 info->mac[0] = (u8)(shmem_info.mac_upper >> 8);
1009 info->mac[1] = (u8)(shmem_info.mac_upper);
1010 info->mac[2] = (u8)(shmem_info.mac_lower >> 24);
1011 info->mac[3] = (u8)(shmem_info.mac_lower >> 16);
1012 info->mac[4] = (u8)(shmem_info.mac_lower >> 8);
1013 info->mac[5] = (u8)(shmem_info.mac_lower);
1014 } else {
1015 DP_NOTICE(p_hwfn, "MAC is 0 in shmem\n");
1016 }
1017
1018 info->wwn_port = (u64)shmem_info.fcoe_wwn_port_name_upper |
1019 (((u64)shmem_info.fcoe_wwn_port_name_lower) << 32);
1020 info->wwn_node = (u64)shmem_info.fcoe_wwn_node_name_upper |
1021 (((u64)shmem_info.fcoe_wwn_node_name_lower) << 32);
1022
1023 info->ovlan = (u16)(shmem_info.ovlan_stag & FUNC_MF_CFG_OV_STAG_MASK);
1024
1025 DP_VERBOSE(p_hwfn, (QED_MSG_SP | NETIF_MSG_IFUP),
1026 "Read configuration from shmem: pause_on_host %02x protocol %02x BW [%02x - %02x] MAC %02x:%02x:%02x:%02x:%02x:%02x wwn port %llx node %llx ovlan %04x\n",
1027 info->pause_on_host, info->protocol,
1028 info->bandwidth_min, info->bandwidth_max,
1029 info->mac[0], info->mac[1], info->mac[2],
1030 info->mac[3], info->mac[4], info->mac[5],
1031 info->wwn_port, info->wwn_node, info->ovlan);
1032
1033 return 0;
1034}
1035
Yuval Mintzcc875c22015-10-26 11:02:31 +02001036struct qed_mcp_link_params
1037*qed_mcp_get_link_params(struct qed_hwfn *p_hwfn)
1038{
1039 if (!p_hwfn || !p_hwfn->mcp_info)
1040 return NULL;
1041 return &p_hwfn->mcp_info->link_input;
1042}
1043
1044struct qed_mcp_link_state
1045*qed_mcp_get_link_state(struct qed_hwfn *p_hwfn)
1046{
1047 if (!p_hwfn || !p_hwfn->mcp_info)
1048 return NULL;
1049 return &p_hwfn->mcp_info->link_output;
1050}
1051
1052struct qed_mcp_link_capabilities
1053*qed_mcp_get_link_capabilities(struct qed_hwfn *p_hwfn)
1054{
1055 if (!p_hwfn || !p_hwfn->mcp_info)
1056 return NULL;
1057 return &p_hwfn->mcp_info->link_capabilities;
1058}
1059
Yuval Mintz1a635e42016-08-15 10:42:43 +03001060int qed_mcp_drain(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
Yuval Mintzfe56b9e2015-10-26 11:02:25 +02001061{
1062 u32 resp = 0, param = 0;
1063 int rc;
1064
1065 rc = qed_mcp_cmd(p_hwfn, p_ptt,
Yuval Mintz1a635e42016-08-15 10:42:43 +03001066 DRV_MSG_CODE_NIG_DRAIN, 1000, &resp, &param);
Yuval Mintzfe56b9e2015-10-26 11:02:25 +02001067
1068 /* Wait for the drain to complete before returning */
Yuval Mintz8f60baf2016-03-09 09:16:26 +02001069 msleep(1020);
Yuval Mintzfe56b9e2015-10-26 11:02:25 +02001070
1071 return rc;
1072}
1073
Manish Chopracee4d262015-10-26 11:02:28 +02001074int qed_mcp_get_flash_size(struct qed_hwfn *p_hwfn,
Yuval Mintz1a635e42016-08-15 10:42:43 +03001075 struct qed_ptt *p_ptt, u32 *p_flash_size)
Manish Chopracee4d262015-10-26 11:02:28 +02001076{
1077 u32 flash_size;
1078
Yuval Mintz1408cc1f2016-05-11 16:36:14 +03001079 if (IS_VF(p_hwfn->cdev))
1080 return -EINVAL;
1081
Manish Chopracee4d262015-10-26 11:02:28 +02001082 flash_size = qed_rd(p_hwfn, p_ptt, MCP_REG_NVM_CFG4);
1083 flash_size = (flash_size & MCP_REG_NVM_CFG4_FLASH_SIZE) >>
1084 MCP_REG_NVM_CFG4_FLASH_SIZE_SHIFT;
1085 flash_size = (1 << (flash_size + MCP_BYTES_PER_MBIT_SHIFT));
1086
1087 *p_flash_size = flash_size;
1088
1089 return 0;
1090}
1091
Yuval Mintz1408cc1f2016-05-11 16:36:14 +03001092int qed_mcp_config_vf_msix(struct qed_hwfn *p_hwfn,
1093 struct qed_ptt *p_ptt, u8 vf_id, u8 num)
1094{
1095 u32 resp = 0, param = 0, rc_param = 0;
1096 int rc;
1097
1098 /* Only Leader can configure MSIX, and need to take CMT into account */
1099 if (!IS_LEAD_HWFN(p_hwfn))
1100 return 0;
1101 num *= p_hwfn->cdev->num_hwfns;
1102
1103 param |= (vf_id << DRV_MB_PARAM_CFG_VF_MSIX_VF_ID_SHIFT) &
1104 DRV_MB_PARAM_CFG_VF_MSIX_VF_ID_MASK;
1105 param |= (num << DRV_MB_PARAM_CFG_VF_MSIX_SB_NUM_SHIFT) &
1106 DRV_MB_PARAM_CFG_VF_MSIX_SB_NUM_MASK;
1107
1108 rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_CFG_VF_MSIX, param,
1109 &resp, &rc_param);
1110
1111 if (resp != FW_MSG_CODE_DRV_CFG_VF_MSIX_DONE) {
1112 DP_NOTICE(p_hwfn, "VF[%d]: MFW failed to set MSI-X\n", vf_id);
1113 rc = -EINVAL;
1114 } else {
1115 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1116 "Requested 0x%02x MSI-x interrupts from VF 0x%02x\n",
1117 num, vf_id);
1118 }
1119
1120 return rc;
1121}
1122
Yuval Mintzfe56b9e2015-10-26 11:02:25 +02001123int
1124qed_mcp_send_drv_version(struct qed_hwfn *p_hwfn,
1125 struct qed_ptt *p_ptt,
1126 struct qed_mcp_drv_version *p_ver)
1127{
Tomer Tayar5529bad2016-03-09 09:16:24 +02001128 struct drv_version_stc *p_drv_version;
1129 struct qed_mcp_mb_params mb_params;
1130 union drv_union_data union_data;
1131 __be32 val;
1132 u32 i;
1133 int rc;
Yuval Mintzfe56b9e2015-10-26 11:02:25 +02001134
Tomer Tayar5529bad2016-03-09 09:16:24 +02001135 p_drv_version = &union_data.drv_version;
1136 p_drv_version->version = p_ver->version;
Manish Chopra4b01e512016-04-26 10:56:09 -04001137
Tomer Tayar5529bad2016-03-09 09:16:24 +02001138 for (i = 0; i < MCP_DRV_VER_STR_SIZE - 1; i += 4) {
1139 val = cpu_to_be32(p_ver->name[i]);
Manish Chopra4b01e512016-04-26 10:56:09 -04001140 *(__be32 *)&p_drv_version->name[i * sizeof(u32)] = val;
Yuval Mintzfe56b9e2015-10-26 11:02:25 +02001141 }
1142
Tomer Tayar5529bad2016-03-09 09:16:24 +02001143 memset(&mb_params, 0, sizeof(mb_params));
1144 mb_params.cmd = DRV_MSG_CODE_SET_VERSION;
1145 mb_params.p_data_src = &union_data;
1146 rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
1147 if (rc)
Yuval Mintzfe56b9e2015-10-26 11:02:25 +02001148 DP_ERR(p_hwfn, "MCP response failure, aborting\n");
Yuval Mintzfe56b9e2015-10-26 11:02:25 +02001149
Tomer Tayar5529bad2016-03-09 09:16:24 +02001150 return rc;
Yuval Mintzfe56b9e2015-10-26 11:02:25 +02001151}
Sudarsana Kalluru91420b82015-11-30 12:25:03 +02001152
Yuval Mintz1a635e42016-08-15 10:42:43 +03001153int qed_mcp_set_led(struct qed_hwfn *p_hwfn,
1154 struct qed_ptt *p_ptt, enum qed_led_mode mode)
Sudarsana Kalluru91420b82015-11-30 12:25:03 +02001155{
1156 u32 resp = 0, param = 0, drv_mb_param;
1157 int rc;
1158
1159 switch (mode) {
1160 case QED_LED_MODE_ON:
1161 drv_mb_param = DRV_MB_PARAM_SET_LED_MODE_ON;
1162 break;
1163 case QED_LED_MODE_OFF:
1164 drv_mb_param = DRV_MB_PARAM_SET_LED_MODE_OFF;
1165 break;
1166 case QED_LED_MODE_RESTORE:
1167 drv_mb_param = DRV_MB_PARAM_SET_LED_MODE_OPER;
1168 break;
1169 default:
1170 DP_NOTICE(p_hwfn, "Invalid LED mode %d\n", mode);
1171 return -EINVAL;
1172 }
1173
1174 rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_SET_LED_MODE,
1175 drv_mb_param, &resp, &param);
1176
1177 return rc;
1178}
Sudarsana Reddy Kalluru03dc76c2016-04-28 20:20:52 -04001179
1180int qed_mcp_bist_register_test(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
1181{
1182 u32 drv_mb_param = 0, rsp, param;
1183 int rc = 0;
1184
1185 drv_mb_param = (DRV_MB_PARAM_BIST_REGISTER_TEST <<
1186 DRV_MB_PARAM_BIST_TEST_INDEX_SHIFT);
1187
1188 rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_BIST_TEST,
1189 drv_mb_param, &rsp, &param);
1190
1191 if (rc)
1192 return rc;
1193
1194 if (((rsp & FW_MSG_CODE_MASK) != FW_MSG_CODE_OK) ||
1195 (param != DRV_MB_PARAM_BIST_RC_PASSED))
1196 rc = -EAGAIN;
1197
1198 return rc;
1199}
1200
1201int qed_mcp_bist_clock_test(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
1202{
1203 u32 drv_mb_param, rsp, param;
1204 int rc = 0;
1205
1206 drv_mb_param = (DRV_MB_PARAM_BIST_CLOCK_TEST <<
1207 DRV_MB_PARAM_BIST_TEST_INDEX_SHIFT);
1208
1209 rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_BIST_TEST,
1210 drv_mb_param, &rsp, &param);
1211
1212 if (rc)
1213 return rc;
1214
1215 if (((rsp & FW_MSG_CODE_MASK) != FW_MSG_CODE_OK) ||
1216 (param != DRV_MB_PARAM_BIST_RC_PASSED))
1217 rc = -EAGAIN;
1218
1219 return rc;
1220}