2 * This file is part of the Chelsio T4 PCI-E SR-IOV Virtual Function Ethernet
5 * Copyright (c) 2009-2010 Chelsio Communications, Inc. All rights reserved.
7 * This software is available to you under a choice of one of two
8 * licenses. You may choose to be licensed under the terms of the GNU
9 * General Public License (GPL) Version 2, available from the file
10 * COPYING in the main directory of this source tree, or the
11 * OpenIB.org BSD license below:
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21 * - Redistributions in binary form must reproduce the above
22 * copyright notice, this list of conditions and the following
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24 * provided with the distribution.
26 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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29 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
30 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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32 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
36 #include <linux/pci.h>
38 #include "t4vf_common.h"
39 #include "t4vf_defs.h"
41 #include "../cxgb4/t4_regs.h"
42 #include "../cxgb4/t4fw_api.h"
45 * Wait for the device to become ready (signified by our "who am I" register
46 * returning a value other than all 1's). Return an error if it doesn't
49 int t4vf_wait_dev_ready(struct adapter *adapter)
51 const u32 whoami = T4VF_PL_BASE_ADDR + PL_VF_WHOAMI;
52 const u32 notready1 = 0xffffffff;
53 const u32 notready2 = 0xeeeeeeee;
56 val = t4_read_reg(adapter, whoami);
57 if (val != notready1 && val != notready2)
60 val = t4_read_reg(adapter, whoami);
61 if (val != notready1 && val != notready2)
68 * Get the reply to a mailbox command and store it in @rpl in big-endian order
69 * (since the firmware data structures are specified in a big-endian layout).
71 static void get_mbox_rpl(struct adapter *adapter, __be64 *rpl, int size,
74 for ( ; size; size -= 8, mbox_data += 8)
75 *rpl++ = cpu_to_be64(t4_read_reg64(adapter, mbox_data));
79 * Dump contents of mailbox with a leading tag.
81 static void dump_mbox(struct adapter *adapter, const char *tag, u32 mbox_data)
83 dev_err(adapter->pdev_dev,
84 "mbox %s: %llx %llx %llx %llx %llx %llx %llx %llx\n", tag,
85 (unsigned long long)t4_read_reg64(adapter, mbox_data + 0),
86 (unsigned long long)t4_read_reg64(adapter, mbox_data + 8),
87 (unsigned long long)t4_read_reg64(adapter, mbox_data + 16),
88 (unsigned long long)t4_read_reg64(adapter, mbox_data + 24),
89 (unsigned long long)t4_read_reg64(adapter, mbox_data + 32),
90 (unsigned long long)t4_read_reg64(adapter, mbox_data + 40),
91 (unsigned long long)t4_read_reg64(adapter, mbox_data + 48),
92 (unsigned long long)t4_read_reg64(adapter, mbox_data + 56));
96 * t4vf_wr_mbox_core - send a command to FW through the mailbox
97 * @adapter: the adapter
98 * @cmd: the command to write
99 * @size: command length in bytes
100 * @rpl: where to optionally store the reply
101 * @sleep_ok: if true we may sleep while awaiting command completion
103 * Sends the given command to FW through the mailbox and waits for the
104 * FW to execute the command. If @rpl is not %NULL it is used to store
105 * the FW's reply to the command. The command and its optional reply
106 * are of the same length. FW can take up to 500 ms to respond.
107 * @sleep_ok determines whether we may sleep while awaiting the response.
108 * If sleeping is allowed we use progressive backoff otherwise we spin.
110 * The return value is 0 on success or a negative errno on failure. A
111 * failure can happen either because we are not able to execute the
112 * command or FW executes it but signals an error. In the latter case
113 * the return value is the error code indicated by FW (negated).
115 int t4vf_wr_mbox_core(struct adapter *adapter, const void *cmd, int size,
116 void *rpl, bool sleep_ok)
118 static const int delay[] = {
119 1, 1, 3, 5, 10, 10, 20, 50, 100
123 int i, ms, delay_idx;
125 u32 mbox_data = T4VF_MBDATA_BASE_ADDR;
126 u32 mbox_ctl = T4VF_CIM_BASE_ADDR + CIM_VF_EXT_MAILBOX_CTRL;
129 * Commands must be multiples of 16 bytes in length and may not be
130 * larger than the size of the Mailbox Data register array.
132 if ((size % 16) != 0 ||
133 size > NUM_CIM_VF_MAILBOX_DATA_INSTANCES * 4)
137 * Loop trying to get ownership of the mailbox. Return an error
138 * if we can't gain ownership.
140 v = MBOWNER_GET(t4_read_reg(adapter, mbox_ctl));
141 for (i = 0; v == MBOX_OWNER_NONE && i < 3; i++)
142 v = MBOWNER_GET(t4_read_reg(adapter, mbox_ctl));
143 if (v != MBOX_OWNER_DRV)
144 return v == MBOX_OWNER_FW ? -EBUSY : -ETIMEDOUT;
147 * Write the command array into the Mailbox Data register array and
148 * transfer ownership of the mailbox to the firmware.
150 * For the VFs, the Mailbox Data "registers" are actually backed by
151 * T4's "MA" interface rather than PL Registers (as is the case for
152 * the PFs). Because these are in different coherency domains, the
153 * write to the VF's PL-register-backed Mailbox Control can race in
154 * front of the writes to the MA-backed VF Mailbox Data "registers".
155 * So we need to do a read-back on at least one byte of the VF Mailbox
156 * Data registers before doing the write to the VF Mailbox Control
159 for (i = 0, p = cmd; i < size; i += 8)
160 t4_write_reg64(adapter, mbox_data + i, be64_to_cpu(*p++));
161 t4_read_reg(adapter, mbox_data); /* flush write */
163 t4_write_reg(adapter, mbox_ctl,
164 MBMSGVALID | MBOWNER(MBOX_OWNER_FW));
165 t4_read_reg(adapter, mbox_ctl); /* flush write */
168 * Spin waiting for firmware to acknowledge processing our command.
173 for (i = 0; i < FW_CMD_MAX_TIMEOUT; i += ms) {
175 ms = delay[delay_idx];
176 if (delay_idx < ARRAY_SIZE(delay) - 1)
183 * If we're the owner, see if this is the reply we wanted.
185 v = t4_read_reg(adapter, mbox_ctl);
186 if (MBOWNER_GET(v) == MBOX_OWNER_DRV) {
188 * If the Message Valid bit isn't on, revoke ownership
189 * of the mailbox and continue waiting for our reply.
191 if ((v & MBMSGVALID) == 0) {
192 t4_write_reg(adapter, mbox_ctl,
193 MBOWNER(MBOX_OWNER_NONE));
198 * We now have our reply. Extract the command return
199 * value, copy the reply back to our caller's buffer
200 * (if specified) and revoke ownership of the mailbox.
201 * We return the (negated) firmware command return
202 * code (this depends on FW_SUCCESS == 0).
205 /* return value in low-order little-endian word */
206 v = t4_read_reg(adapter, mbox_data);
207 if (FW_CMD_RETVAL_G(v))
208 dump_mbox(adapter, "FW Error", mbox_data);
211 /* request bit in high-order BE word */
212 WARN_ON((be32_to_cpu(*(const u32 *)cmd)
213 & FW_CMD_REQUEST_F) == 0);
214 get_mbox_rpl(adapter, rpl, size, mbox_data);
215 WARN_ON((be32_to_cpu(*(u32 *)rpl)
216 & FW_CMD_REQUEST_F) != 0);
218 t4_write_reg(adapter, mbox_ctl,
219 MBOWNER(MBOX_OWNER_NONE));
220 return -FW_CMD_RETVAL_G(v);
225 * We timed out. Return the error ...
227 dump_mbox(adapter, "FW Timeout", mbox_data);
232 * hash_mac_addr - return the hash value of a MAC address
233 * @addr: the 48-bit Ethernet MAC address
235 * Hashes a MAC address according to the hash function used by hardware
236 * inexact (hash) address matching.
238 static int hash_mac_addr(const u8 *addr)
240 u32 a = ((u32)addr[0] << 16) | ((u32)addr[1] << 8) | addr[2];
241 u32 b = ((u32)addr[3] << 16) | ((u32)addr[4] << 8) | addr[5];
249 * init_link_config - initialize a link's SW state
250 * @lc: structure holding the link state
251 * @caps: link capabilities
253 * Initializes the SW state maintained for each link, including the link's
254 * capabilities and default speed/flow-control/autonegotiation settings.
256 static void init_link_config(struct link_config *lc, unsigned int caps)
258 lc->supported = caps;
259 lc->requested_speed = 0;
261 lc->requested_fc = lc->fc = PAUSE_RX | PAUSE_TX;
262 if (lc->supported & SUPPORTED_Autoneg) {
263 lc->advertising = lc->supported;
264 lc->autoneg = AUTONEG_ENABLE;
265 lc->requested_fc |= PAUSE_AUTONEG;
268 lc->autoneg = AUTONEG_DISABLE;
273 * t4vf_port_init - initialize port hardware/software state
274 * @adapter: the adapter
275 * @pidx: the adapter port index
277 int t4vf_port_init(struct adapter *adapter, int pidx)
279 struct port_info *pi = adap2pinfo(adapter, pidx);
280 struct fw_vi_cmd vi_cmd, vi_rpl;
281 struct fw_port_cmd port_cmd, port_rpl;
286 * Execute a VI Read command to get our Virtual Interface information
287 * like MAC address, etc.
289 memset(&vi_cmd, 0, sizeof(vi_cmd));
290 vi_cmd.op_to_vfn = cpu_to_be32(FW_CMD_OP_V(FW_VI_CMD) |
293 vi_cmd.alloc_to_len16 = cpu_to_be32(FW_LEN16(vi_cmd));
294 vi_cmd.type_viid = cpu_to_be16(FW_VI_CMD_VIID_V(pi->viid));
295 v = t4vf_wr_mbox(adapter, &vi_cmd, sizeof(vi_cmd), &vi_rpl);
299 BUG_ON(pi->port_id != FW_VI_CMD_PORTID_G(vi_rpl.portid_pkd));
300 pi->rss_size = FW_VI_CMD_RSSSIZE_G(be16_to_cpu(vi_rpl.rsssize_pkd));
301 t4_os_set_hw_addr(adapter, pidx, vi_rpl.mac);
304 * If we don't have read access to our port information, we're done
305 * now. Otherwise, execute a PORT Read command to get it ...
307 if (!(adapter->params.vfres.r_caps & FW_CMD_CAP_PORT))
310 memset(&port_cmd, 0, sizeof(port_cmd));
311 port_cmd.op_to_portid = cpu_to_be32(FW_CMD_OP_V(FW_PORT_CMD) |
314 FW_PORT_CMD_PORTID_V(pi->port_id));
315 port_cmd.action_to_len16 =
316 cpu_to_be32(FW_PORT_CMD_ACTION_V(FW_PORT_ACTION_GET_PORT_INFO) |
318 v = t4vf_wr_mbox(adapter, &port_cmd, sizeof(port_cmd), &port_rpl);
323 word = be16_to_cpu(port_rpl.u.info.pcap);
324 if (word & FW_PORT_CAP_SPEED_100M)
325 v |= SUPPORTED_100baseT_Full;
326 if (word & FW_PORT_CAP_SPEED_1G)
327 v |= SUPPORTED_1000baseT_Full;
328 if (word & FW_PORT_CAP_SPEED_10G)
329 v |= SUPPORTED_10000baseT_Full;
330 if (word & FW_PORT_CAP_SPEED_40G)
331 v |= SUPPORTED_40000baseSR4_Full;
332 if (word & FW_PORT_CAP_ANEG)
333 v |= SUPPORTED_Autoneg;
334 init_link_config(&pi->link_cfg, v);
340 * t4vf_fw_reset - issue a reset to FW
341 * @adapter: the adapter
343 * Issues a reset command to FW. For a Physical Function this would
344 * result in the Firmware reseting all of its state. For a Virtual
345 * Function this just resets the state associated with the VF.
347 int t4vf_fw_reset(struct adapter *adapter)
349 struct fw_reset_cmd cmd;
351 memset(&cmd, 0, sizeof(cmd));
352 cmd.op_to_write = cpu_to_be32(FW_CMD_OP_V(FW_RESET_CMD) |
354 cmd.retval_len16 = cpu_to_be32(FW_LEN16(cmd));
355 return t4vf_wr_mbox(adapter, &cmd, sizeof(cmd), NULL);
359 * t4vf_query_params - query FW or device parameters
360 * @adapter: the adapter
361 * @nparams: the number of parameters
362 * @params: the parameter names
363 * @vals: the parameter values
365 * Reads the values of firmware or device parameters. Up to 7 parameters
366 * can be queried at once.
368 static int t4vf_query_params(struct adapter *adapter, unsigned int nparams,
369 const u32 *params, u32 *vals)
372 struct fw_params_cmd cmd, rpl;
373 struct fw_params_param *p;
379 memset(&cmd, 0, sizeof(cmd));
380 cmd.op_to_vfn = cpu_to_be32(FW_CMD_OP_V(FW_PARAMS_CMD) |
383 len16 = DIV_ROUND_UP(offsetof(struct fw_params_cmd,
384 param[nparams].mnem), 16);
385 cmd.retval_len16 = cpu_to_be32(FW_CMD_LEN16_V(len16));
386 for (i = 0, p = &cmd.param[0]; i < nparams; i++, p++)
387 p->mnem = htonl(*params++);
389 ret = t4vf_wr_mbox(adapter, &cmd, sizeof(cmd), &rpl);
391 for (i = 0, p = &rpl.param[0]; i < nparams; i++, p++)
392 *vals++ = be32_to_cpu(p->val);
397 * t4vf_set_params - sets FW or device parameters
398 * @adapter: the adapter
399 * @nparams: the number of parameters
400 * @params: the parameter names
401 * @vals: the parameter values
403 * Sets the values of firmware or device parameters. Up to 7 parameters
404 * can be specified at once.
406 int t4vf_set_params(struct adapter *adapter, unsigned int nparams,
407 const u32 *params, const u32 *vals)
410 struct fw_params_cmd cmd;
411 struct fw_params_param *p;
417 memset(&cmd, 0, sizeof(cmd));
418 cmd.op_to_vfn = cpu_to_be32(FW_CMD_OP_V(FW_PARAMS_CMD) |
421 len16 = DIV_ROUND_UP(offsetof(struct fw_params_cmd,
422 param[nparams]), 16);
423 cmd.retval_len16 = cpu_to_be32(FW_CMD_LEN16_V(len16));
424 for (i = 0, p = &cmd.param[0]; i < nparams; i++, p++) {
425 p->mnem = cpu_to_be32(*params++);
426 p->val = cpu_to_be32(*vals++);
429 return t4vf_wr_mbox(adapter, &cmd, sizeof(cmd), NULL);
433 * t4vf_get_sge_params - retrieve adapter Scatter gather Engine parameters
434 * @adapter: the adapter
436 * Retrieves various core SGE parameters in the form of hardware SGE
437 * register values. The caller is responsible for decoding these as
438 * needed. The SGE parameters are stored in @adapter->params.sge.
440 int t4vf_get_sge_params(struct adapter *adapter)
442 struct sge_params *sge_params = &adapter->params.sge;
443 u32 params[7], vals[7];
446 params[0] = (FW_PARAMS_MNEM_V(FW_PARAMS_MNEM_REG) |
447 FW_PARAMS_PARAM_XYZ_V(SGE_CONTROL));
448 params[1] = (FW_PARAMS_MNEM_V(FW_PARAMS_MNEM_REG) |
449 FW_PARAMS_PARAM_XYZ_V(SGE_HOST_PAGE_SIZE));
450 params[2] = (FW_PARAMS_MNEM_V(FW_PARAMS_MNEM_REG) |
451 FW_PARAMS_PARAM_XYZ_V(SGE_FL_BUFFER_SIZE0));
452 params[3] = (FW_PARAMS_MNEM_V(FW_PARAMS_MNEM_REG) |
453 FW_PARAMS_PARAM_XYZ_V(SGE_FL_BUFFER_SIZE1));
454 params[4] = (FW_PARAMS_MNEM_V(FW_PARAMS_MNEM_REG) |
455 FW_PARAMS_PARAM_XYZ_V(SGE_TIMER_VALUE_0_AND_1));
456 params[5] = (FW_PARAMS_MNEM_V(FW_PARAMS_MNEM_REG) |
457 FW_PARAMS_PARAM_XYZ_V(SGE_TIMER_VALUE_2_AND_3));
458 params[6] = (FW_PARAMS_MNEM_V(FW_PARAMS_MNEM_REG) |
459 FW_PARAMS_PARAM_XYZ_V(SGE_TIMER_VALUE_4_AND_5));
460 v = t4vf_query_params(adapter, 7, params, vals);
463 sge_params->sge_control = vals[0];
464 sge_params->sge_host_page_size = vals[1];
465 sge_params->sge_fl_buffer_size[0] = vals[2];
466 sge_params->sge_fl_buffer_size[1] = vals[3];
467 sge_params->sge_timer_value_0_and_1 = vals[4];
468 sge_params->sge_timer_value_2_and_3 = vals[5];
469 sge_params->sge_timer_value_4_and_5 = vals[6];
471 /* T4 uses a single control field to specify both the PCIe Padding and
472 * Packing Boundary. T5 introduced the ability to specify these
473 * separately with the Padding Boundary in SGE_CONTROL and and Packing
474 * Boundary in SGE_CONTROL2. So for T5 and later we need to grab
475 * SGE_CONTROL in order to determine how ingress packet data will be
476 * laid out in Packed Buffer Mode. Unfortunately, older versions of
477 * the firmware won't let us retrieve SGE_CONTROL2 so if we get a
478 * failure grabbing it we throw an error since we can't figure out the
481 if (!is_t4(adapter->params.chip)) {
482 params[0] = (FW_PARAMS_MNEM_V(FW_PARAMS_MNEM_REG) |
483 FW_PARAMS_PARAM_XYZ_V(SGE_CONTROL2_A));
484 v = t4vf_query_params(adapter, 1, params, vals);
485 if (v != FW_SUCCESS) {
486 dev_err(adapter->pdev_dev,
487 "Unable to get SGE Control2; "
488 "probably old firmware.\n");
491 sge_params->sge_control2 = vals[0];
494 params[0] = (FW_PARAMS_MNEM_V(FW_PARAMS_MNEM_REG) |
495 FW_PARAMS_PARAM_XYZ_V(SGE_INGRESS_RX_THRESHOLD));
496 params[1] = (FW_PARAMS_MNEM_V(FW_PARAMS_MNEM_REG) |
497 FW_PARAMS_PARAM_XYZ_V(SGE_CONM_CTRL));
498 v = t4vf_query_params(adapter, 2, params, vals);
501 sge_params->sge_ingress_rx_threshold = vals[0];
502 sge_params->sge_congestion_control = vals[1];
504 /* For T5 and later we want to use the new BAR2 Doorbells.
505 * Unfortunately, older firmware didn't allow the this register to be
508 if (!is_t4(adapter->params.chip)) {
510 unsigned int pf, s_qpp;
512 params[0] = (FW_PARAMS_MNEM_V(FW_PARAMS_MNEM_REG) |
513 FW_PARAMS_PARAM_XYZ_V(
514 SGE_EGRESS_QUEUES_PER_PAGE_VF_A));
515 params[1] = (FW_PARAMS_MNEM_V(FW_PARAMS_MNEM_REG) |
516 FW_PARAMS_PARAM_XYZ_V(
517 SGE_INGRESS_QUEUES_PER_PAGE_VF_A));
518 v = t4vf_query_params(adapter, 2, params, vals);
519 if (v != FW_SUCCESS) {
520 dev_warn(adapter->pdev_dev,
521 "Unable to get VF SGE Queues/Page; "
522 "probably old firmware.\n");
525 sge_params->sge_egress_queues_per_page = vals[0];
526 sge_params->sge_ingress_queues_per_page = vals[1];
528 /* We need the Queues/Page for our VF. This is based on the
529 * PF from which we're instantiated and is indexed in the
530 * register we just read. Do it once here so other code in
531 * the driver can just use it.
533 whoami = t4_read_reg(adapter,
534 T4VF_PL_BASE_ADDR + A_PL_VF_WHOAMI);
535 pf = SOURCEPF_GET(whoami);
536 s_qpp = (QUEUESPERPAGEPF0_S +
537 (QUEUESPERPAGEPF1_S - QUEUESPERPAGEPF0_S) * pf);
538 sge_params->sge_vf_eq_qpp =
539 ((sge_params->sge_egress_queues_per_page >> s_qpp)
540 & QUEUESPERPAGEPF0_MASK);
541 sge_params->sge_vf_iq_qpp =
542 ((sge_params->sge_ingress_queues_per_page >> s_qpp)
543 & QUEUESPERPAGEPF0_MASK);
550 * t4vf_get_vpd_params - retrieve device VPD paremeters
551 * @adapter: the adapter
553 * Retrives various device Vital Product Data parameters. The parameters
554 * are stored in @adapter->params.vpd.
556 int t4vf_get_vpd_params(struct adapter *adapter)
558 struct vpd_params *vpd_params = &adapter->params.vpd;
559 u32 params[7], vals[7];
562 params[0] = (FW_PARAMS_MNEM_V(FW_PARAMS_MNEM_DEV) |
563 FW_PARAMS_PARAM_X_V(FW_PARAMS_PARAM_DEV_CCLK));
564 v = t4vf_query_params(adapter, 1, params, vals);
567 vpd_params->cclk = vals[0];
573 * t4vf_get_dev_params - retrieve device paremeters
574 * @adapter: the adapter
576 * Retrives various device parameters. The parameters are stored in
577 * @adapter->params.dev.
579 int t4vf_get_dev_params(struct adapter *adapter)
581 struct dev_params *dev_params = &adapter->params.dev;
582 u32 params[7], vals[7];
585 params[0] = (FW_PARAMS_MNEM_V(FW_PARAMS_MNEM_DEV) |
586 FW_PARAMS_PARAM_X_V(FW_PARAMS_PARAM_DEV_FWREV));
587 params[1] = (FW_PARAMS_MNEM_V(FW_PARAMS_MNEM_DEV) |
588 FW_PARAMS_PARAM_X_V(FW_PARAMS_PARAM_DEV_TPREV));
589 v = t4vf_query_params(adapter, 2, params, vals);
592 dev_params->fwrev = vals[0];
593 dev_params->tprev = vals[1];
599 * t4vf_get_rss_glb_config - retrieve adapter RSS Global Configuration
600 * @adapter: the adapter
602 * Retrieves global RSS mode and parameters with which we have to live
603 * and stores them in the @adapter's RSS parameters.
605 int t4vf_get_rss_glb_config(struct adapter *adapter)
607 struct rss_params *rss = &adapter->params.rss;
608 struct fw_rss_glb_config_cmd cmd, rpl;
612 * Execute an RSS Global Configuration read command to retrieve
613 * our RSS configuration.
615 memset(&cmd, 0, sizeof(cmd));
616 cmd.op_to_write = cpu_to_be32(FW_CMD_OP_V(FW_RSS_GLB_CONFIG_CMD) |
619 cmd.retval_len16 = cpu_to_be32(FW_LEN16(cmd));
620 v = t4vf_wr_mbox(adapter, &cmd, sizeof(cmd), &rpl);
625 * Transate the big-endian RSS Global Configuration into our
626 * cpu-endian format based on the RSS mode. We also do first level
627 * filtering at this point to weed out modes which don't support
630 rss->mode = FW_RSS_GLB_CONFIG_CMD_MODE_G(
631 be32_to_cpu(rpl.u.manual.mode_pkd));
633 case FW_RSS_GLB_CONFIG_CMD_MODE_BASICVIRTUAL: {
634 u32 word = be32_to_cpu(
635 rpl.u.basicvirtual.synmapen_to_hashtoeplitz);
637 rss->u.basicvirtual.synmapen =
638 ((word & FW_RSS_GLB_CONFIG_CMD_SYNMAPEN_F) != 0);
639 rss->u.basicvirtual.syn4tupenipv6 =
640 ((word & FW_RSS_GLB_CONFIG_CMD_SYN4TUPENIPV6_F) != 0);
641 rss->u.basicvirtual.syn2tupenipv6 =
642 ((word & FW_RSS_GLB_CONFIG_CMD_SYN2TUPENIPV6_F) != 0);
643 rss->u.basicvirtual.syn4tupenipv4 =
644 ((word & FW_RSS_GLB_CONFIG_CMD_SYN4TUPENIPV4_F) != 0);
645 rss->u.basicvirtual.syn2tupenipv4 =
646 ((word & FW_RSS_GLB_CONFIG_CMD_SYN2TUPENIPV4_F) != 0);
648 rss->u.basicvirtual.ofdmapen =
649 ((word & FW_RSS_GLB_CONFIG_CMD_OFDMAPEN_F) != 0);
651 rss->u.basicvirtual.tnlmapen =
652 ((word & FW_RSS_GLB_CONFIG_CMD_TNLMAPEN_F) != 0);
653 rss->u.basicvirtual.tnlalllookup =
654 ((word & FW_RSS_GLB_CONFIG_CMD_TNLALLLKP_F) != 0);
656 rss->u.basicvirtual.hashtoeplitz =
657 ((word & FW_RSS_GLB_CONFIG_CMD_HASHTOEPLITZ_F) != 0);
659 /* we need at least Tunnel Map Enable to be set */
660 if (!rss->u.basicvirtual.tnlmapen)
666 /* all unknown/unsupported RSS modes result in an error */
674 * t4vf_get_vfres - retrieve VF resource limits
675 * @adapter: the adapter
677 * Retrieves configured resource limits and capabilities for a virtual
678 * function. The results are stored in @adapter->vfres.
680 int t4vf_get_vfres(struct adapter *adapter)
682 struct vf_resources *vfres = &adapter->params.vfres;
683 struct fw_pfvf_cmd cmd, rpl;
688 * Execute PFVF Read command to get VF resource limits; bail out early
689 * with error on command failure.
691 memset(&cmd, 0, sizeof(cmd));
692 cmd.op_to_vfn = cpu_to_be32(FW_CMD_OP_V(FW_PFVF_CMD) |
695 cmd.retval_len16 = cpu_to_be32(FW_LEN16(cmd));
696 v = t4vf_wr_mbox(adapter, &cmd, sizeof(cmd), &rpl);
701 * Extract VF resource limits and return success.
703 word = be32_to_cpu(rpl.niqflint_niq);
704 vfres->niqflint = FW_PFVF_CMD_NIQFLINT_G(word);
705 vfres->niq = FW_PFVF_CMD_NIQ_G(word);
707 word = be32_to_cpu(rpl.type_to_neq);
708 vfres->neq = FW_PFVF_CMD_NEQ_G(word);
709 vfres->pmask = FW_PFVF_CMD_PMASK_G(word);
711 word = be32_to_cpu(rpl.tc_to_nexactf);
712 vfres->tc = FW_PFVF_CMD_TC_G(word);
713 vfres->nvi = FW_PFVF_CMD_NVI_G(word);
714 vfres->nexactf = FW_PFVF_CMD_NEXACTF_G(word);
716 word = be32_to_cpu(rpl.r_caps_to_nethctrl);
717 vfres->r_caps = FW_PFVF_CMD_R_CAPS_G(word);
718 vfres->wx_caps = FW_PFVF_CMD_WX_CAPS_G(word);
719 vfres->nethctrl = FW_PFVF_CMD_NETHCTRL_G(word);
725 * t4vf_read_rss_vi_config - read a VI's RSS configuration
726 * @adapter: the adapter
727 * @viid: Virtual Interface ID
728 * @config: pointer to host-native VI RSS Configuration buffer
730 * Reads the Virtual Interface's RSS configuration information and
731 * translates it into CPU-native format.
733 int t4vf_read_rss_vi_config(struct adapter *adapter, unsigned int viid,
734 union rss_vi_config *config)
736 struct fw_rss_vi_config_cmd cmd, rpl;
739 memset(&cmd, 0, sizeof(cmd));
740 cmd.op_to_viid = cpu_to_be32(FW_CMD_OP_V(FW_RSS_VI_CONFIG_CMD) |
743 FW_RSS_VI_CONFIG_CMD_VIID(viid));
744 cmd.retval_len16 = cpu_to_be32(FW_LEN16(cmd));
745 v = t4vf_wr_mbox(adapter, &cmd, sizeof(cmd), &rpl);
749 switch (adapter->params.rss.mode) {
750 case FW_RSS_GLB_CONFIG_CMD_MODE_BASICVIRTUAL: {
751 u32 word = be32_to_cpu(rpl.u.basicvirtual.defaultq_to_udpen);
753 config->basicvirtual.ip6fourtupen =
754 ((word & FW_RSS_VI_CONFIG_CMD_IP6FOURTUPEN_F) != 0);
755 config->basicvirtual.ip6twotupen =
756 ((word & FW_RSS_VI_CONFIG_CMD_IP6TWOTUPEN_F) != 0);
757 config->basicvirtual.ip4fourtupen =
758 ((word & FW_RSS_VI_CONFIG_CMD_IP4FOURTUPEN_F) != 0);
759 config->basicvirtual.ip4twotupen =
760 ((word & FW_RSS_VI_CONFIG_CMD_IP4TWOTUPEN_F) != 0);
761 config->basicvirtual.udpen =
762 ((word & FW_RSS_VI_CONFIG_CMD_UDPEN_F) != 0);
763 config->basicvirtual.defaultq =
764 FW_RSS_VI_CONFIG_CMD_DEFAULTQ_G(word);
776 * t4vf_write_rss_vi_config - write a VI's RSS configuration
777 * @adapter: the adapter
778 * @viid: Virtual Interface ID
779 * @config: pointer to host-native VI RSS Configuration buffer
781 * Write the Virtual Interface's RSS configuration information
782 * (translating it into firmware-native format before writing).
784 int t4vf_write_rss_vi_config(struct adapter *adapter, unsigned int viid,
785 union rss_vi_config *config)
787 struct fw_rss_vi_config_cmd cmd, rpl;
789 memset(&cmd, 0, sizeof(cmd));
790 cmd.op_to_viid = cpu_to_be32(FW_CMD_OP_V(FW_RSS_VI_CONFIG_CMD) |
793 FW_RSS_VI_CONFIG_CMD_VIID(viid));
794 cmd.retval_len16 = cpu_to_be32(FW_LEN16(cmd));
795 switch (adapter->params.rss.mode) {
796 case FW_RSS_GLB_CONFIG_CMD_MODE_BASICVIRTUAL: {
799 if (config->basicvirtual.ip6fourtupen)
800 word |= FW_RSS_VI_CONFIG_CMD_IP6FOURTUPEN_F;
801 if (config->basicvirtual.ip6twotupen)
802 word |= FW_RSS_VI_CONFIG_CMD_IP6TWOTUPEN_F;
803 if (config->basicvirtual.ip4fourtupen)
804 word |= FW_RSS_VI_CONFIG_CMD_IP4FOURTUPEN_F;
805 if (config->basicvirtual.ip4twotupen)
806 word |= FW_RSS_VI_CONFIG_CMD_IP4TWOTUPEN_F;
807 if (config->basicvirtual.udpen)
808 word |= FW_RSS_VI_CONFIG_CMD_UDPEN_F;
809 word |= FW_RSS_VI_CONFIG_CMD_DEFAULTQ_V(
810 config->basicvirtual.defaultq);
811 cmd.u.basicvirtual.defaultq_to_udpen = cpu_to_be32(word);
819 return t4vf_wr_mbox(adapter, &cmd, sizeof(cmd), &rpl);
823 * t4vf_config_rss_range - configure a portion of the RSS mapping table
824 * @adapter: the adapter
825 * @viid: Virtual Interface of RSS Table Slice
826 * @start: starting entry in the table to write
827 * @n: how many table entries to write
828 * @rspq: values for the "Response Queue" (Ingress Queue) lookup table
829 * @nrspq: number of values in @rspq
831 * Programs the selected part of the VI's RSS mapping table with the
832 * provided values. If @nrspq < @n the supplied values are used repeatedly
833 * until the full table range is populated.
835 * The caller must ensure the values in @rspq are in the range 0..1023.
837 int t4vf_config_rss_range(struct adapter *adapter, unsigned int viid,
838 int start, int n, const u16 *rspq, int nrspq)
840 const u16 *rsp = rspq;
841 const u16 *rsp_end = rspq+nrspq;
842 struct fw_rss_ind_tbl_cmd cmd;
845 * Initialize firmware command template to write the RSS table.
847 memset(&cmd, 0, sizeof(cmd));
848 cmd.op_to_viid = cpu_to_be32(FW_CMD_OP_V(FW_RSS_IND_TBL_CMD) |
851 FW_RSS_IND_TBL_CMD_VIID_V(viid));
852 cmd.retval_len16 = cpu_to_be32(FW_LEN16(cmd));
855 * Each firmware RSS command can accommodate up to 32 RSS Ingress
856 * Queue Identifiers. These Ingress Queue IDs are packed three to
857 * a 32-bit word as 10-bit values with the upper remaining 2 bits
861 __be32 *qp = &cmd.iq0_to_iq2;
866 * Set up the firmware RSS command header to send the next
867 * "nq" Ingress Queue IDs to the firmware.
869 cmd.niqid = cpu_to_be16(nq);
870 cmd.startidx = cpu_to_be16(start);
873 * "nq" more done for the start of the next loop.
879 * While there are still Ingress Queue IDs to stuff into the
880 * current firmware RSS command, retrieve them from the
881 * Ingress Queue ID array and insert them into the command.
885 * Grab up to the next 3 Ingress Queue IDs (wrapping
886 * around the Ingress Queue ID array if necessary) and
887 * insert them into the firmware RSS command at the
888 * current 3-tuple position within the commad.
892 int nqbuf = min(3, nq);
895 qbuf[0] = qbuf[1] = qbuf[2] = 0;
902 *qp++ = cpu_to_be32(FW_RSS_IND_TBL_CMD_IQ0_V(qbuf[0]) |
903 FW_RSS_IND_TBL_CMD_IQ1_V(qbuf[1]) |
904 FW_RSS_IND_TBL_CMD_IQ2_V(qbuf[2]));
908 * Send this portion of the RRS table update to the firmware;
909 * bail out on any errors.
911 ret = t4vf_wr_mbox(adapter, &cmd, sizeof(cmd), NULL);
919 * t4vf_alloc_vi - allocate a virtual interface on a port
920 * @adapter: the adapter
921 * @port_id: physical port associated with the VI
923 * Allocate a new Virtual Interface and bind it to the indicated
924 * physical port. Return the new Virtual Interface Identifier on
925 * success, or a [negative] error number on failure.
927 int t4vf_alloc_vi(struct adapter *adapter, int port_id)
929 struct fw_vi_cmd cmd, rpl;
933 * Execute a VI command to allocate Virtual Interface and return its
936 memset(&cmd, 0, sizeof(cmd));
937 cmd.op_to_vfn = cpu_to_be32(FW_CMD_OP_V(FW_VI_CMD) |
941 cmd.alloc_to_len16 = cpu_to_be32(FW_LEN16(cmd) |
943 cmd.portid_pkd = FW_VI_CMD_PORTID_V(port_id);
944 v = t4vf_wr_mbox(adapter, &cmd, sizeof(cmd), &rpl);
948 return FW_VI_CMD_VIID_G(be16_to_cpu(rpl.type_viid));
952 * t4vf_free_vi -- free a virtual interface
953 * @adapter: the adapter
954 * @viid: the virtual interface identifier
956 * Free a previously allocated Virtual Interface. Return an error on
959 int t4vf_free_vi(struct adapter *adapter, int viid)
961 struct fw_vi_cmd cmd;
964 * Execute a VI command to free the Virtual Interface.
966 memset(&cmd, 0, sizeof(cmd));
967 cmd.op_to_vfn = cpu_to_be32(FW_CMD_OP_V(FW_VI_CMD) |
970 cmd.alloc_to_len16 = cpu_to_be32(FW_LEN16(cmd) |
972 cmd.type_viid = cpu_to_be16(FW_VI_CMD_VIID_V(viid));
973 return t4vf_wr_mbox(adapter, &cmd, sizeof(cmd), NULL);
977 * t4vf_enable_vi - enable/disable a virtual interface
978 * @adapter: the adapter
979 * @viid: the Virtual Interface ID
980 * @rx_en: 1=enable Rx, 0=disable Rx
981 * @tx_en: 1=enable Tx, 0=disable Tx
983 * Enables/disables a virtual interface.
985 int t4vf_enable_vi(struct adapter *adapter, unsigned int viid,
986 bool rx_en, bool tx_en)
988 struct fw_vi_enable_cmd cmd;
990 memset(&cmd, 0, sizeof(cmd));
991 cmd.op_to_viid = cpu_to_be32(FW_CMD_OP_V(FW_VI_ENABLE_CMD) |
994 FW_VI_ENABLE_CMD_VIID_V(viid));
995 cmd.ien_to_len16 = cpu_to_be32(FW_VI_ENABLE_CMD_IEN_V(rx_en) |
996 FW_VI_ENABLE_CMD_EEN_V(tx_en) |
998 return t4vf_wr_mbox(adapter, &cmd, sizeof(cmd), NULL);
1002 * t4vf_identify_port - identify a VI's port by blinking its LED
1003 * @adapter: the adapter
1004 * @viid: the Virtual Interface ID
1005 * @nblinks: how many times to blink LED at 2.5 Hz
1007 * Identifies a VI's port by blinking its LED.
1009 int t4vf_identify_port(struct adapter *adapter, unsigned int viid,
1010 unsigned int nblinks)
1012 struct fw_vi_enable_cmd cmd;
1014 memset(&cmd, 0, sizeof(cmd));
1015 cmd.op_to_viid = cpu_to_be32(FW_CMD_OP_V(FW_VI_ENABLE_CMD) |
1018 FW_VI_ENABLE_CMD_VIID_V(viid));
1019 cmd.ien_to_len16 = cpu_to_be32(FW_VI_ENABLE_CMD_LED_F |
1021 cmd.blinkdur = cpu_to_be16(nblinks);
1022 return t4vf_wr_mbox(adapter, &cmd, sizeof(cmd), NULL);
1026 * t4vf_set_rxmode - set Rx properties of a virtual interface
1027 * @adapter: the adapter
1029 * @mtu: the new MTU or -1 for no change
1030 * @promisc: 1 to enable promiscuous mode, 0 to disable it, -1 no change
1031 * @all_multi: 1 to enable all-multi mode, 0 to disable it, -1 no change
1032 * @bcast: 1 to enable broadcast Rx, 0 to disable it, -1 no change
1033 * @vlanex: 1 to enable hardware VLAN Tag extraction, 0 to disable it,
1036 * Sets Rx properties of a virtual interface.
1038 int t4vf_set_rxmode(struct adapter *adapter, unsigned int viid,
1039 int mtu, int promisc, int all_multi, int bcast, int vlanex,
1042 struct fw_vi_rxmode_cmd cmd;
1044 /* convert to FW values */
1046 mtu = FW_VI_RXMODE_CMD_MTU_M;
1048 promisc = FW_VI_RXMODE_CMD_PROMISCEN_M;
1050 all_multi = FW_VI_RXMODE_CMD_ALLMULTIEN_M;
1052 bcast = FW_VI_RXMODE_CMD_BROADCASTEN_M;
1054 vlanex = FW_VI_RXMODE_CMD_VLANEXEN_M;
1056 memset(&cmd, 0, sizeof(cmd));
1057 cmd.op_to_viid = cpu_to_be32(FW_CMD_OP_V(FW_VI_RXMODE_CMD) |
1060 FW_VI_RXMODE_CMD_VIID_V(viid));
1061 cmd.retval_len16 = cpu_to_be32(FW_LEN16(cmd));
1062 cmd.mtu_to_vlanexen =
1063 cpu_to_be32(FW_VI_RXMODE_CMD_MTU_V(mtu) |
1064 FW_VI_RXMODE_CMD_PROMISCEN_V(promisc) |
1065 FW_VI_RXMODE_CMD_ALLMULTIEN_V(all_multi) |
1066 FW_VI_RXMODE_CMD_BROADCASTEN_V(bcast) |
1067 FW_VI_RXMODE_CMD_VLANEXEN_V(vlanex));
1068 return t4vf_wr_mbox_core(adapter, &cmd, sizeof(cmd), NULL, sleep_ok);
1072 * t4vf_alloc_mac_filt - allocates exact-match filters for MAC addresses
1073 * @adapter: the adapter
1074 * @viid: the Virtual Interface Identifier
1075 * @free: if true any existing filters for this VI id are first removed
1076 * @naddr: the number of MAC addresses to allocate filters for (up to 7)
1077 * @addr: the MAC address(es)
1078 * @idx: where to store the index of each allocated filter
1079 * @hash: pointer to hash address filter bitmap
1080 * @sleep_ok: call is allowed to sleep
1082 * Allocates an exact-match filter for each of the supplied addresses and
1083 * sets it to the corresponding address. If @idx is not %NULL it should
1084 * have at least @naddr entries, each of which will be set to the index of
1085 * the filter allocated for the corresponding MAC address. If a filter
1086 * could not be allocated for an address its index is set to 0xffff.
1087 * If @hash is not %NULL addresses that fail to allocate an exact filter
1088 * are hashed and update the hash filter bitmap pointed at by @hash.
1090 * Returns a negative error number or the number of filters allocated.
1092 int t4vf_alloc_mac_filt(struct adapter *adapter, unsigned int viid, bool free,
1093 unsigned int naddr, const u8 **addr, u16 *idx,
1094 u64 *hash, bool sleep_ok)
1096 int offset, ret = 0;
1097 unsigned nfilters = 0;
1098 unsigned int rem = naddr;
1099 struct fw_vi_mac_cmd cmd, rpl;
1100 unsigned int max_naddr = is_t4(adapter->params.chip) ?
1101 NUM_MPS_CLS_SRAM_L_INSTANCES :
1102 NUM_MPS_T5_CLS_SRAM_L_INSTANCES;
1104 if (naddr > max_naddr)
1107 for (offset = 0; offset < naddr; /**/) {
1108 unsigned int fw_naddr = (rem < ARRAY_SIZE(cmd.u.exact)
1110 : ARRAY_SIZE(cmd.u.exact));
1111 size_t len16 = DIV_ROUND_UP(offsetof(struct fw_vi_mac_cmd,
1112 u.exact[fw_naddr]), 16);
1113 struct fw_vi_mac_exact *p;
1116 memset(&cmd, 0, sizeof(cmd));
1117 cmd.op_to_viid = cpu_to_be32(FW_CMD_OP_V(FW_VI_MAC_CMD) |
1120 (free ? FW_CMD_EXEC_F : 0) |
1121 FW_VI_MAC_CMD_VIID_V(viid));
1122 cmd.freemacs_to_len16 =
1123 cpu_to_be32(FW_VI_MAC_CMD_FREEMACS_V(free) |
1124 FW_CMD_LEN16_V(len16));
1126 for (i = 0, p = cmd.u.exact; i < fw_naddr; i++, p++) {
1127 p->valid_to_idx = cpu_to_be16(
1128 FW_VI_MAC_CMD_VALID_F |
1129 FW_VI_MAC_CMD_IDX_V(FW_VI_MAC_ADD_MAC));
1130 memcpy(p->macaddr, addr[offset+i], sizeof(p->macaddr));
1134 ret = t4vf_wr_mbox_core(adapter, &cmd, sizeof(cmd), &rpl,
1136 if (ret && ret != -ENOMEM)
1139 for (i = 0, p = rpl.u.exact; i < fw_naddr; i++, p++) {
1140 u16 index = FW_VI_MAC_CMD_IDX_G(
1141 be16_to_cpu(p->valid_to_idx));
1148 if (index < max_naddr)
1151 *hash |= (1ULL << hash_mac_addr(addr[offset+i]));
1160 * If there were no errors or we merely ran out of room in our MAC
1161 * address arena, return the number of filters actually written.
1163 if (ret == 0 || ret == -ENOMEM)
1169 * t4vf_change_mac - modifies the exact-match filter for a MAC address
1170 * @adapter: the adapter
1171 * @viid: the Virtual Interface ID
1172 * @idx: index of existing filter for old value of MAC address, or -1
1173 * @addr: the new MAC address value
1174 * @persist: if idx < 0, the new MAC allocation should be persistent
1176 * Modifies an exact-match filter and sets it to the new MAC address.
1177 * Note that in general it is not possible to modify the value of a given
1178 * filter so the generic way to modify an address filter is to free the
1179 * one being used by the old address value and allocate a new filter for
1180 * the new address value. @idx can be -1 if the address is a new
1183 * Returns a negative error number or the index of the filter with the new
1186 int t4vf_change_mac(struct adapter *adapter, unsigned int viid,
1187 int idx, const u8 *addr, bool persist)
1190 struct fw_vi_mac_cmd cmd, rpl;
1191 struct fw_vi_mac_exact *p = &cmd.u.exact[0];
1192 size_t len16 = DIV_ROUND_UP(offsetof(struct fw_vi_mac_cmd,
1194 unsigned int max_naddr = is_t4(adapter->params.chip) ?
1195 NUM_MPS_CLS_SRAM_L_INSTANCES :
1196 NUM_MPS_T5_CLS_SRAM_L_INSTANCES;
1199 * If this is a new allocation, determine whether it should be
1200 * persistent (across a "freemacs" operation) or not.
1203 idx = persist ? FW_VI_MAC_ADD_PERSIST_MAC : FW_VI_MAC_ADD_MAC;
1205 memset(&cmd, 0, sizeof(cmd));
1206 cmd.op_to_viid = cpu_to_be32(FW_CMD_OP_V(FW_VI_MAC_CMD) |
1209 FW_VI_MAC_CMD_VIID_V(viid));
1210 cmd.freemacs_to_len16 = cpu_to_be32(FW_CMD_LEN16_V(len16));
1211 p->valid_to_idx = cpu_to_be16(FW_VI_MAC_CMD_VALID_F |
1212 FW_VI_MAC_CMD_IDX_V(idx));
1213 memcpy(p->macaddr, addr, sizeof(p->macaddr));
1215 ret = t4vf_wr_mbox(adapter, &cmd, sizeof(cmd), &rpl);
1217 p = &rpl.u.exact[0];
1218 ret = FW_VI_MAC_CMD_IDX_G(be16_to_cpu(p->valid_to_idx));
1219 if (ret >= max_naddr)
1226 * t4vf_set_addr_hash - program the MAC inexact-match hash filter
1227 * @adapter: the adapter
1228 * @viid: the Virtual Interface Identifier
1229 * @ucast: whether the hash filter should also match unicast addresses
1230 * @vec: the value to be written to the hash filter
1231 * @sleep_ok: call is allowed to sleep
1233 * Sets the 64-bit inexact-match hash filter for a virtual interface.
1235 int t4vf_set_addr_hash(struct adapter *adapter, unsigned int viid,
1236 bool ucast, u64 vec, bool sleep_ok)
1238 struct fw_vi_mac_cmd cmd;
1239 size_t len16 = DIV_ROUND_UP(offsetof(struct fw_vi_mac_cmd,
1242 memset(&cmd, 0, sizeof(cmd));
1243 cmd.op_to_viid = cpu_to_be32(FW_CMD_OP_V(FW_VI_MAC_CMD) |
1246 FW_VI_ENABLE_CMD_VIID_V(viid));
1247 cmd.freemacs_to_len16 = cpu_to_be32(FW_VI_MAC_CMD_HASHVECEN_F |
1248 FW_VI_MAC_CMD_HASHUNIEN_V(ucast) |
1249 FW_CMD_LEN16_V(len16));
1250 cmd.u.hash.hashvec = cpu_to_be64(vec);
1251 return t4vf_wr_mbox_core(adapter, &cmd, sizeof(cmd), NULL, sleep_ok);
1255 * t4vf_get_port_stats - collect "port" statistics
1256 * @adapter: the adapter
1257 * @pidx: the port index
1258 * @s: the stats structure to fill
1260 * Collect statistics for the "port"'s Virtual Interface.
1262 int t4vf_get_port_stats(struct adapter *adapter, int pidx,
1263 struct t4vf_port_stats *s)
1265 struct port_info *pi = adap2pinfo(adapter, pidx);
1266 struct fw_vi_stats_vf fwstats;
1267 unsigned int rem = VI_VF_NUM_STATS;
1268 __be64 *fwsp = (__be64 *)&fwstats;
1271 * Grab the Virtual Interface statistics a chunk at a time via mailbox
1272 * commands. We could use a Work Request and get all of them at once
1273 * but that's an asynchronous interface which is awkward to use.
1276 unsigned int ix = VI_VF_NUM_STATS - rem;
1277 unsigned int nstats = min(6U, rem);
1278 struct fw_vi_stats_cmd cmd, rpl;
1279 size_t len = (offsetof(struct fw_vi_stats_cmd, u) +
1280 sizeof(struct fw_vi_stats_ctl));
1281 size_t len16 = DIV_ROUND_UP(len, 16);
1284 memset(&cmd, 0, sizeof(cmd));
1285 cmd.op_to_viid = cpu_to_be32(FW_CMD_OP_V(FW_VI_STATS_CMD) |
1286 FW_VI_STATS_CMD_VIID_V(pi->viid) |
1289 cmd.retval_len16 = cpu_to_be32(FW_CMD_LEN16_V(len16));
1290 cmd.u.ctl.nstats_ix =
1291 cpu_to_be16(FW_VI_STATS_CMD_IX_V(ix) |
1292 FW_VI_STATS_CMD_NSTATS_V(nstats));
1293 ret = t4vf_wr_mbox_ns(adapter, &cmd, len, &rpl);
1297 memcpy(fwsp, &rpl.u.ctl.stat0, sizeof(__be64) * nstats);
1304 * Translate firmware statistics into host native statistics.
1306 s->tx_bcast_bytes = be64_to_cpu(fwstats.tx_bcast_bytes);
1307 s->tx_bcast_frames = be64_to_cpu(fwstats.tx_bcast_frames);
1308 s->tx_mcast_bytes = be64_to_cpu(fwstats.tx_mcast_bytes);
1309 s->tx_mcast_frames = be64_to_cpu(fwstats.tx_mcast_frames);
1310 s->tx_ucast_bytes = be64_to_cpu(fwstats.tx_ucast_bytes);
1311 s->tx_ucast_frames = be64_to_cpu(fwstats.tx_ucast_frames);
1312 s->tx_drop_frames = be64_to_cpu(fwstats.tx_drop_frames);
1313 s->tx_offload_bytes = be64_to_cpu(fwstats.tx_offload_bytes);
1314 s->tx_offload_frames = be64_to_cpu(fwstats.tx_offload_frames);
1316 s->rx_bcast_bytes = be64_to_cpu(fwstats.rx_bcast_bytes);
1317 s->rx_bcast_frames = be64_to_cpu(fwstats.rx_bcast_frames);
1318 s->rx_mcast_bytes = be64_to_cpu(fwstats.rx_mcast_bytes);
1319 s->rx_mcast_frames = be64_to_cpu(fwstats.rx_mcast_frames);
1320 s->rx_ucast_bytes = be64_to_cpu(fwstats.rx_ucast_bytes);
1321 s->rx_ucast_frames = be64_to_cpu(fwstats.rx_ucast_frames);
1323 s->rx_err_frames = be64_to_cpu(fwstats.rx_err_frames);
1329 * t4vf_iq_free - free an ingress queue and its free lists
1330 * @adapter: the adapter
1331 * @iqtype: the ingress queue type (FW_IQ_TYPE_FL_INT_CAP, etc.)
1332 * @iqid: ingress queue ID
1333 * @fl0id: FL0 queue ID or 0xffff if no attached FL0
1334 * @fl1id: FL1 queue ID or 0xffff if no attached FL1
1336 * Frees an ingress queue and its associated free lists, if any.
1338 int t4vf_iq_free(struct adapter *adapter, unsigned int iqtype,
1339 unsigned int iqid, unsigned int fl0id, unsigned int fl1id)
1341 struct fw_iq_cmd cmd;
1343 memset(&cmd, 0, sizeof(cmd));
1344 cmd.op_to_vfn = cpu_to_be32(FW_CMD_OP_V(FW_IQ_CMD) |
1347 cmd.alloc_to_len16 = cpu_to_be32(FW_IQ_CMD_FREE_F |
1349 cmd.type_to_iqandstindex =
1350 cpu_to_be32(FW_IQ_CMD_TYPE_V(iqtype));
1352 cmd.iqid = cpu_to_be16(iqid);
1353 cmd.fl0id = cpu_to_be16(fl0id);
1354 cmd.fl1id = cpu_to_be16(fl1id);
1355 return t4vf_wr_mbox(adapter, &cmd, sizeof(cmd), NULL);
1359 * t4vf_eth_eq_free - free an Ethernet egress queue
1360 * @adapter: the adapter
1361 * @eqid: egress queue ID
1363 * Frees an Ethernet egress queue.
1365 int t4vf_eth_eq_free(struct adapter *adapter, unsigned int eqid)
1367 struct fw_eq_eth_cmd cmd;
1369 memset(&cmd, 0, sizeof(cmd));
1370 cmd.op_to_vfn = cpu_to_be32(FW_CMD_OP_V(FW_EQ_ETH_CMD) |
1373 cmd.alloc_to_len16 = cpu_to_be32(FW_EQ_ETH_CMD_FREE_F |
1375 cmd.eqid_pkd = cpu_to_be32(FW_EQ_ETH_CMD_EQID_V(eqid));
1376 return t4vf_wr_mbox(adapter, &cmd, sizeof(cmd), NULL);
1380 * t4vf_handle_fw_rpl - process a firmware reply message
1381 * @adapter: the adapter
1382 * @rpl: start of the firmware message
1384 * Processes a firmware message, such as link state change messages.
1386 int t4vf_handle_fw_rpl(struct adapter *adapter, const __be64 *rpl)
1388 const struct fw_cmd_hdr *cmd_hdr = (const struct fw_cmd_hdr *)rpl;
1389 u8 opcode = FW_CMD_OP_G(be32_to_cpu(cmd_hdr->hi));
1394 * Link/module state change message.
1396 const struct fw_port_cmd *port_cmd =
1397 (const struct fw_port_cmd *)rpl;
1399 int action, port_id, link_ok, speed, fc, pidx;
1402 * Extract various fields from port status change message.
1404 action = FW_PORT_CMD_ACTION_G(
1405 be32_to_cpu(port_cmd->action_to_len16));
1406 if (action != FW_PORT_ACTION_GET_PORT_INFO) {
1407 dev_err(adapter->pdev_dev,
1408 "Unknown firmware PORT reply action %x\n",
1413 port_id = FW_PORT_CMD_PORTID_G(
1414 be32_to_cpu(port_cmd->op_to_portid));
1416 word = be32_to_cpu(port_cmd->u.info.lstatus_to_modtype);
1417 link_ok = (word & FW_PORT_CMD_LSTATUS_F) != 0;
1420 if (word & FW_PORT_CMD_RXPAUSE_F)
1422 if (word & FW_PORT_CMD_TXPAUSE_F)
1424 if (word & FW_PORT_CMD_LSPEED_V(FW_PORT_CAP_SPEED_100M))
1426 else if (word & FW_PORT_CMD_LSPEED_V(FW_PORT_CAP_SPEED_1G))
1428 else if (word & FW_PORT_CMD_LSPEED_V(FW_PORT_CAP_SPEED_10G))
1430 else if (word & FW_PORT_CMD_LSPEED_V(FW_PORT_CAP_SPEED_40G))
1434 * Scan all of our "ports" (Virtual Interfaces) looking for
1435 * those bound to the physical port which has changed. If
1436 * our recorded state doesn't match the current state,
1437 * signal that change to the OS code.
1439 for_each_port(adapter, pidx) {
1440 struct port_info *pi = adap2pinfo(adapter, pidx);
1441 struct link_config *lc;
1443 if (pi->port_id != port_id)
1447 if (link_ok != lc->link_ok || speed != lc->speed ||
1449 /* something changed */
1450 lc->link_ok = link_ok;
1453 t4vf_os_link_changed(adapter, pidx, link_ok);
1460 dev_err(adapter->pdev_dev, "Unknown firmware reply %X\n",
1468 int t4vf_prep_adapter(struct adapter *adapter)
1471 unsigned int chipid;
1473 /* Wait for the device to become ready before proceeding ...
1475 err = t4vf_wait_dev_ready(adapter);
1479 /* Default port and clock for debugging in case we can't reach
1482 adapter->params.nports = 1;
1483 adapter->params.vfres.pmask = 1;
1484 adapter->params.vpd.cclk = 50000;
1486 adapter->params.chip = 0;
1487 switch (CHELSIO_PCI_ID_VER(adapter->pdev->device)) {
1489 adapter->params.chip |= CHELSIO_CHIP_CODE(CHELSIO_T4, 0);
1493 chipid = G_REV(t4_read_reg(adapter, A_PL_VF_REV));
1494 adapter->params.chip |= CHELSIO_CHIP_CODE(CHELSIO_T5, chipid);