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:
13 * Redistribution and use in source and binary forms, with or
14 * without modification, are permitted provided that the following
17 * - Redistributions of source code must retain the above
18 * copyright notice, this list of conditions and the following
21 * - Redistributions in binary form must reproduce the above
22 * copyright notice, this list of conditions and the following
23 * disclaimer in the documentation and/or other materials
24 * provided with the distribution.
26 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
27 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
28 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
29 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
30 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
31 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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];
248 #define ADVERT_MASK (FW_PORT_CAP_SPEED_100M | FW_PORT_CAP_SPEED_1G |\
249 FW_PORT_CAP_SPEED_10G | FW_PORT_CAP_SPEED_40G | \
250 FW_PORT_CAP_SPEED_100G | FW_PORT_CAP_ANEG)
253 * init_link_config - initialize a link's SW state
254 * @lc: structure holding the link state
255 * @caps: link capabilities
257 * Initializes the SW state maintained for each link, including the link's
258 * capabilities and default speed/flow-control/autonegotiation settings.
260 static void init_link_config(struct link_config
*lc
, unsigned int caps
)
262 lc
->supported
= caps
;
263 lc
->requested_speed
= 0;
265 lc
->requested_fc
= lc
->fc
= PAUSE_RX
| PAUSE_TX
;
266 if (lc
->supported
& FW_PORT_CAP_ANEG
) {
267 lc
->advertising
= lc
->supported
& ADVERT_MASK
;
268 lc
->autoneg
= AUTONEG_ENABLE
;
269 lc
->requested_fc
|= PAUSE_AUTONEG
;
272 lc
->autoneg
= AUTONEG_DISABLE
;
277 * t4vf_port_init - initialize port hardware/software state
278 * @adapter: the adapter
279 * @pidx: the adapter port index
281 int t4vf_port_init(struct adapter
*adapter
, int pidx
)
283 struct port_info
*pi
= adap2pinfo(adapter
, pidx
);
284 struct fw_vi_cmd vi_cmd
, vi_rpl
;
285 struct fw_port_cmd port_cmd
, port_rpl
;
289 * Execute a VI Read command to get our Virtual Interface information
290 * like MAC address, etc.
292 memset(&vi_cmd
, 0, sizeof(vi_cmd
));
293 vi_cmd
.op_to_vfn
= cpu_to_be32(FW_CMD_OP_V(FW_VI_CMD
) |
296 vi_cmd
.alloc_to_len16
= cpu_to_be32(FW_LEN16(vi_cmd
));
297 vi_cmd
.type_viid
= cpu_to_be16(FW_VI_CMD_VIID_V(pi
->viid
));
298 v
= t4vf_wr_mbox(adapter
, &vi_cmd
, sizeof(vi_cmd
), &vi_rpl
);
302 BUG_ON(pi
->port_id
!= FW_VI_CMD_PORTID_G(vi_rpl
.portid_pkd
));
303 pi
->rss_size
= FW_VI_CMD_RSSSIZE_G(be16_to_cpu(vi_rpl
.rsssize_pkd
));
304 t4_os_set_hw_addr(adapter
, pidx
, vi_rpl
.mac
);
307 * If we don't have read access to our port information, we're done
308 * now. Otherwise, execute a PORT Read command to get it ...
310 if (!(adapter
->params
.vfres
.r_caps
& FW_CMD_CAP_PORT
))
313 memset(&port_cmd
, 0, sizeof(port_cmd
));
314 port_cmd
.op_to_portid
= cpu_to_be32(FW_CMD_OP_V(FW_PORT_CMD
) |
317 FW_PORT_CMD_PORTID_V(pi
->port_id
));
318 port_cmd
.action_to_len16
=
319 cpu_to_be32(FW_PORT_CMD_ACTION_V(FW_PORT_ACTION_GET_PORT_INFO
) |
321 v
= t4vf_wr_mbox(adapter
, &port_cmd
, sizeof(port_cmd
), &port_rpl
);
325 v
= be32_to_cpu(port_rpl
.u
.info
.lstatus_to_modtype
);
326 pi
->port_type
= FW_PORT_CMD_PTYPE_G(v
);
327 pi
->mod_type
= FW_PORT_MOD_TYPE_NA
;
329 init_link_config(&pi
->link_cfg
, be16_to_cpu(port_rpl
.u
.info
.pcap
));
335 * t4vf_fw_reset - issue a reset to FW
336 * @adapter: the adapter
338 * Issues a reset command to FW. For a Physical Function this would
339 * result in the Firmware reseting all of its state. For a Virtual
340 * Function this just resets the state associated with the VF.
342 int t4vf_fw_reset(struct adapter
*adapter
)
344 struct fw_reset_cmd cmd
;
346 memset(&cmd
, 0, sizeof(cmd
));
347 cmd
.op_to_write
= cpu_to_be32(FW_CMD_OP_V(FW_RESET_CMD
) |
349 cmd
.retval_len16
= cpu_to_be32(FW_LEN16(cmd
));
350 return t4vf_wr_mbox(adapter
, &cmd
, sizeof(cmd
), NULL
);
354 * t4vf_query_params - query FW or device parameters
355 * @adapter: the adapter
356 * @nparams: the number of parameters
357 * @params: the parameter names
358 * @vals: the parameter values
360 * Reads the values of firmware or device parameters. Up to 7 parameters
361 * can be queried at once.
363 static int t4vf_query_params(struct adapter
*adapter
, unsigned int nparams
,
364 const u32
*params
, u32
*vals
)
367 struct fw_params_cmd cmd
, rpl
;
368 struct fw_params_param
*p
;
374 memset(&cmd
, 0, sizeof(cmd
));
375 cmd
.op_to_vfn
= cpu_to_be32(FW_CMD_OP_V(FW_PARAMS_CMD
) |
378 len16
= DIV_ROUND_UP(offsetof(struct fw_params_cmd
,
379 param
[nparams
].mnem
), 16);
380 cmd
.retval_len16
= cpu_to_be32(FW_CMD_LEN16_V(len16
));
381 for (i
= 0, p
= &cmd
.param
[0]; i
< nparams
; i
++, p
++)
382 p
->mnem
= htonl(*params
++);
384 ret
= t4vf_wr_mbox(adapter
, &cmd
, sizeof(cmd
), &rpl
);
386 for (i
= 0, p
= &rpl
.param
[0]; i
< nparams
; i
++, p
++)
387 *vals
++ = be32_to_cpu(p
->val
);
392 * t4vf_set_params - sets FW or device parameters
393 * @adapter: the adapter
394 * @nparams: the number of parameters
395 * @params: the parameter names
396 * @vals: the parameter values
398 * Sets the values of firmware or device parameters. Up to 7 parameters
399 * can be specified at once.
401 int t4vf_set_params(struct adapter
*adapter
, unsigned int nparams
,
402 const u32
*params
, const u32
*vals
)
405 struct fw_params_cmd cmd
;
406 struct fw_params_param
*p
;
412 memset(&cmd
, 0, sizeof(cmd
));
413 cmd
.op_to_vfn
= cpu_to_be32(FW_CMD_OP_V(FW_PARAMS_CMD
) |
416 len16
= DIV_ROUND_UP(offsetof(struct fw_params_cmd
,
417 param
[nparams
]), 16);
418 cmd
.retval_len16
= cpu_to_be32(FW_CMD_LEN16_V(len16
));
419 for (i
= 0, p
= &cmd
.param
[0]; i
< nparams
; i
++, p
++) {
420 p
->mnem
= cpu_to_be32(*params
++);
421 p
->val
= cpu_to_be32(*vals
++);
424 return t4vf_wr_mbox(adapter
, &cmd
, sizeof(cmd
), NULL
);
428 * t4_bar2_sge_qregs - return BAR2 SGE Queue register information
429 * @adapter: the adapter
431 * @qtype: the Ingress or Egress type for @qid
432 * @pbar2_qoffset: BAR2 Queue Offset
433 * @pbar2_qid: BAR2 Queue ID or 0 for Queue ID inferred SGE Queues
435 * Returns the BAR2 SGE Queue Registers information associated with the
436 * indicated Absolute Queue ID. These are passed back in return value
437 * pointers. @qtype should be T4_BAR2_QTYPE_EGRESS for Egress Queue
438 * and T4_BAR2_QTYPE_INGRESS for Ingress Queues.
440 * This may return an error which indicates that BAR2 SGE Queue
441 * registers aren't available. If an error is not returned, then the
442 * following values are returned:
444 * *@pbar2_qoffset: the BAR2 Offset of the @qid Registers
445 * *@pbar2_qid: the BAR2 SGE Queue ID or 0 of @qid
447 * If the returned BAR2 Queue ID is 0, then BAR2 SGE registers which
448 * require the "Inferred Queue ID" ability may be used. E.g. the
449 * Write Combining Doorbell Buffer. If the BAR2 Queue ID is not 0,
450 * then these "Inferred Queue ID" register may not be used.
452 int t4_bar2_sge_qregs(struct adapter
*adapter
,
454 enum t4_bar2_qtype qtype
,
456 unsigned int *pbar2_qid
)
458 unsigned int page_shift
, page_size
, qpp_shift
, qpp_mask
;
459 u64 bar2_page_offset
, bar2_qoffset
;
460 unsigned int bar2_qid
, bar2_qid_offset
, bar2_qinferred
;
462 /* T4 doesn't support BAR2 SGE Queue registers.
464 if (is_t4(adapter
->params
.chip
))
467 /* Get our SGE Page Size parameters.
469 page_shift
= adapter
->params
.sge
.sge_vf_hps
+ 10;
470 page_size
= 1 << page_shift
;
472 /* Get the right Queues per Page parameters for our Queue.
474 qpp_shift
= (qtype
== T4_BAR2_QTYPE_EGRESS
475 ? adapter
->params
.sge
.sge_vf_eq_qpp
476 : adapter
->params
.sge
.sge_vf_iq_qpp
);
477 qpp_mask
= (1 << qpp_shift
) - 1;
479 /* Calculate the basics of the BAR2 SGE Queue register area:
480 * o The BAR2 page the Queue registers will be in.
481 * o The BAR2 Queue ID.
482 * o The BAR2 Queue ID Offset into the BAR2 page.
484 bar2_page_offset
= ((qid
>> qpp_shift
) << page_shift
);
485 bar2_qid
= qid
& qpp_mask
;
486 bar2_qid_offset
= bar2_qid
* SGE_UDB_SIZE
;
488 /* If the BAR2 Queue ID Offset is less than the Page Size, then the
489 * hardware will infer the Absolute Queue ID simply from the writes to
490 * the BAR2 Queue ID Offset within the BAR2 Page (and we need to use a
491 * BAR2 Queue ID of 0 for those writes). Otherwise, we'll simply
492 * write to the first BAR2 SGE Queue Area within the BAR2 Page with
493 * the BAR2 Queue ID and the hardware will infer the Absolute Queue ID
494 * from the BAR2 Page and BAR2 Queue ID.
496 * One important censequence of this is that some BAR2 SGE registers
497 * have a "Queue ID" field and we can write the BAR2 SGE Queue ID
498 * there. But other registers synthesize the SGE Queue ID purely
499 * from the writes to the registers -- the Write Combined Doorbell
500 * Buffer is a good example. These BAR2 SGE Registers are only
501 * available for those BAR2 SGE Register areas where the SGE Absolute
502 * Queue ID can be inferred from simple writes.
504 bar2_qoffset
= bar2_page_offset
;
505 bar2_qinferred
= (bar2_qid_offset
< page_size
);
506 if (bar2_qinferred
) {
507 bar2_qoffset
+= bar2_qid_offset
;
511 *pbar2_qoffset
= bar2_qoffset
;
512 *pbar2_qid
= bar2_qid
;
517 * t4vf_get_sge_params - retrieve adapter Scatter gather Engine parameters
518 * @adapter: the adapter
520 * Retrieves various core SGE parameters in the form of hardware SGE
521 * register values. The caller is responsible for decoding these as
522 * needed. The SGE parameters are stored in @adapter->params.sge.
524 int t4vf_get_sge_params(struct adapter
*adapter
)
526 struct sge_params
*sge_params
= &adapter
->params
.sge
;
527 u32 params
[7], vals
[7];
530 params
[0] = (FW_PARAMS_MNEM_V(FW_PARAMS_MNEM_REG
) |
531 FW_PARAMS_PARAM_XYZ_V(SGE_CONTROL
));
532 params
[1] = (FW_PARAMS_MNEM_V(FW_PARAMS_MNEM_REG
) |
533 FW_PARAMS_PARAM_XYZ_V(SGE_HOST_PAGE_SIZE
));
534 params
[2] = (FW_PARAMS_MNEM_V(FW_PARAMS_MNEM_REG
) |
535 FW_PARAMS_PARAM_XYZ_V(SGE_FL_BUFFER_SIZE0
));
536 params
[3] = (FW_PARAMS_MNEM_V(FW_PARAMS_MNEM_REG
) |
537 FW_PARAMS_PARAM_XYZ_V(SGE_FL_BUFFER_SIZE1
));
538 params
[4] = (FW_PARAMS_MNEM_V(FW_PARAMS_MNEM_REG
) |
539 FW_PARAMS_PARAM_XYZ_V(SGE_TIMER_VALUE_0_AND_1
));
540 params
[5] = (FW_PARAMS_MNEM_V(FW_PARAMS_MNEM_REG
) |
541 FW_PARAMS_PARAM_XYZ_V(SGE_TIMER_VALUE_2_AND_3
));
542 params
[6] = (FW_PARAMS_MNEM_V(FW_PARAMS_MNEM_REG
) |
543 FW_PARAMS_PARAM_XYZ_V(SGE_TIMER_VALUE_4_AND_5
));
544 v
= t4vf_query_params(adapter
, 7, params
, vals
);
547 sge_params
->sge_control
= vals
[0];
548 sge_params
->sge_host_page_size
= vals
[1];
549 sge_params
->sge_fl_buffer_size
[0] = vals
[2];
550 sge_params
->sge_fl_buffer_size
[1] = vals
[3];
551 sge_params
->sge_timer_value_0_and_1
= vals
[4];
552 sge_params
->sge_timer_value_2_and_3
= vals
[5];
553 sge_params
->sge_timer_value_4_and_5
= vals
[6];
555 /* T4 uses a single control field to specify both the PCIe Padding and
556 * Packing Boundary. T5 introduced the ability to specify these
557 * separately with the Padding Boundary in SGE_CONTROL and and Packing
558 * Boundary in SGE_CONTROL2. So for T5 and later we need to grab
559 * SGE_CONTROL in order to determine how ingress packet data will be
560 * laid out in Packed Buffer Mode. Unfortunately, older versions of
561 * the firmware won't let us retrieve SGE_CONTROL2 so if we get a
562 * failure grabbing it we throw an error since we can't figure out the
565 if (!is_t4(adapter
->params
.chip
)) {
566 params
[0] = (FW_PARAMS_MNEM_V(FW_PARAMS_MNEM_REG
) |
567 FW_PARAMS_PARAM_XYZ_V(SGE_CONTROL2_A
));
568 v
= t4vf_query_params(adapter
, 1, params
, vals
);
569 if (v
!= FW_SUCCESS
) {
570 dev_err(adapter
->pdev_dev
,
571 "Unable to get SGE Control2; "
572 "probably old firmware.\n");
575 sge_params
->sge_control2
= vals
[0];
578 params
[0] = (FW_PARAMS_MNEM_V(FW_PARAMS_MNEM_REG
) |
579 FW_PARAMS_PARAM_XYZ_V(SGE_INGRESS_RX_THRESHOLD
));
580 params
[1] = (FW_PARAMS_MNEM_V(FW_PARAMS_MNEM_REG
) |
581 FW_PARAMS_PARAM_XYZ_V(SGE_CONM_CTRL
));
582 v
= t4vf_query_params(adapter
, 2, params
, vals
);
585 sge_params
->sge_ingress_rx_threshold
= vals
[0];
586 sge_params
->sge_congestion_control
= vals
[1];
588 /* For T5 and later we want to use the new BAR2 Doorbells.
589 * Unfortunately, older firmware didn't allow the this register to be
592 if (!is_t4(adapter
->params
.chip
)) {
594 unsigned int pf
, s_hps
, s_qpp
;
596 params
[0] = (FW_PARAMS_MNEM_V(FW_PARAMS_MNEM_REG
) |
597 FW_PARAMS_PARAM_XYZ_V(
598 SGE_EGRESS_QUEUES_PER_PAGE_VF_A
));
599 params
[1] = (FW_PARAMS_MNEM_V(FW_PARAMS_MNEM_REG
) |
600 FW_PARAMS_PARAM_XYZ_V(
601 SGE_INGRESS_QUEUES_PER_PAGE_VF_A
));
602 v
= t4vf_query_params(adapter
, 2, params
, vals
);
603 if (v
!= FW_SUCCESS
) {
604 dev_warn(adapter
->pdev_dev
,
605 "Unable to get VF SGE Queues/Page; "
606 "probably old firmware.\n");
609 sge_params
->sge_egress_queues_per_page
= vals
[0];
610 sge_params
->sge_ingress_queues_per_page
= vals
[1];
612 /* We need the Queues/Page for our VF. This is based on the
613 * PF from which we're instantiated and is indexed in the
614 * register we just read. Do it once here so other code in
615 * the driver can just use it.
617 whoami
= t4_read_reg(adapter
,
618 T4VF_PL_BASE_ADDR
+ A_PL_VF_WHOAMI
);
619 pf
= SOURCEPF_GET(whoami
);
621 s_hps
= (HOSTPAGESIZEPF0_S
+
622 (HOSTPAGESIZEPF1_S
- HOSTPAGESIZEPF0_S
) * pf
);
623 sge_params
->sge_vf_hps
=
624 ((sge_params
->sge_host_page_size
>> s_hps
)
625 & HOSTPAGESIZEPF0_M
);
627 s_qpp
= (QUEUESPERPAGEPF0_S
+
628 (QUEUESPERPAGEPF1_S
- QUEUESPERPAGEPF0_S
) * pf
);
629 sge_params
->sge_vf_eq_qpp
=
630 ((sge_params
->sge_egress_queues_per_page
>> s_qpp
)
631 & QUEUESPERPAGEPF0_MASK
);
632 sge_params
->sge_vf_iq_qpp
=
633 ((sge_params
->sge_ingress_queues_per_page
>> s_qpp
)
634 & QUEUESPERPAGEPF0_MASK
);
641 * t4vf_get_vpd_params - retrieve device VPD paremeters
642 * @adapter: the adapter
644 * Retrives various device Vital Product Data parameters. The parameters
645 * are stored in @adapter->params.vpd.
647 int t4vf_get_vpd_params(struct adapter
*adapter
)
649 struct vpd_params
*vpd_params
= &adapter
->params
.vpd
;
650 u32 params
[7], vals
[7];
653 params
[0] = (FW_PARAMS_MNEM_V(FW_PARAMS_MNEM_DEV
) |
654 FW_PARAMS_PARAM_X_V(FW_PARAMS_PARAM_DEV_CCLK
));
655 v
= t4vf_query_params(adapter
, 1, params
, vals
);
658 vpd_params
->cclk
= vals
[0];
664 * t4vf_get_dev_params - retrieve device paremeters
665 * @adapter: the adapter
667 * Retrives various device parameters. The parameters are stored in
668 * @adapter->params.dev.
670 int t4vf_get_dev_params(struct adapter
*adapter
)
672 struct dev_params
*dev_params
= &adapter
->params
.dev
;
673 u32 params
[7], vals
[7];
676 params
[0] = (FW_PARAMS_MNEM_V(FW_PARAMS_MNEM_DEV
) |
677 FW_PARAMS_PARAM_X_V(FW_PARAMS_PARAM_DEV_FWREV
));
678 params
[1] = (FW_PARAMS_MNEM_V(FW_PARAMS_MNEM_DEV
) |
679 FW_PARAMS_PARAM_X_V(FW_PARAMS_PARAM_DEV_TPREV
));
680 v
= t4vf_query_params(adapter
, 2, params
, vals
);
683 dev_params
->fwrev
= vals
[0];
684 dev_params
->tprev
= vals
[1];
690 * t4vf_get_rss_glb_config - retrieve adapter RSS Global Configuration
691 * @adapter: the adapter
693 * Retrieves global RSS mode and parameters with which we have to live
694 * and stores them in the @adapter's RSS parameters.
696 int t4vf_get_rss_glb_config(struct adapter
*adapter
)
698 struct rss_params
*rss
= &adapter
->params
.rss
;
699 struct fw_rss_glb_config_cmd cmd
, rpl
;
703 * Execute an RSS Global Configuration read command to retrieve
704 * our RSS configuration.
706 memset(&cmd
, 0, sizeof(cmd
));
707 cmd
.op_to_write
= cpu_to_be32(FW_CMD_OP_V(FW_RSS_GLB_CONFIG_CMD
) |
710 cmd
.retval_len16
= cpu_to_be32(FW_LEN16(cmd
));
711 v
= t4vf_wr_mbox(adapter
, &cmd
, sizeof(cmd
), &rpl
);
716 * Transate the big-endian RSS Global Configuration into our
717 * cpu-endian format based on the RSS mode. We also do first level
718 * filtering at this point to weed out modes which don't support
721 rss
->mode
= FW_RSS_GLB_CONFIG_CMD_MODE_G(
722 be32_to_cpu(rpl
.u
.manual
.mode_pkd
));
724 case FW_RSS_GLB_CONFIG_CMD_MODE_BASICVIRTUAL
: {
725 u32 word
= be32_to_cpu(
726 rpl
.u
.basicvirtual
.synmapen_to_hashtoeplitz
);
728 rss
->u
.basicvirtual
.synmapen
=
729 ((word
& FW_RSS_GLB_CONFIG_CMD_SYNMAPEN_F
) != 0);
730 rss
->u
.basicvirtual
.syn4tupenipv6
=
731 ((word
& FW_RSS_GLB_CONFIG_CMD_SYN4TUPENIPV6_F
) != 0);
732 rss
->u
.basicvirtual
.syn2tupenipv6
=
733 ((word
& FW_RSS_GLB_CONFIG_CMD_SYN2TUPENIPV6_F
) != 0);
734 rss
->u
.basicvirtual
.syn4tupenipv4
=
735 ((word
& FW_RSS_GLB_CONFIG_CMD_SYN4TUPENIPV4_F
) != 0);
736 rss
->u
.basicvirtual
.syn2tupenipv4
=
737 ((word
& FW_RSS_GLB_CONFIG_CMD_SYN2TUPENIPV4_F
) != 0);
739 rss
->u
.basicvirtual
.ofdmapen
=
740 ((word
& FW_RSS_GLB_CONFIG_CMD_OFDMAPEN_F
) != 0);
742 rss
->u
.basicvirtual
.tnlmapen
=
743 ((word
& FW_RSS_GLB_CONFIG_CMD_TNLMAPEN_F
) != 0);
744 rss
->u
.basicvirtual
.tnlalllookup
=
745 ((word
& FW_RSS_GLB_CONFIG_CMD_TNLALLLKP_F
) != 0);
747 rss
->u
.basicvirtual
.hashtoeplitz
=
748 ((word
& FW_RSS_GLB_CONFIG_CMD_HASHTOEPLITZ_F
) != 0);
750 /* we need at least Tunnel Map Enable to be set */
751 if (!rss
->u
.basicvirtual
.tnlmapen
)
757 /* all unknown/unsupported RSS modes result in an error */
765 * t4vf_get_vfres - retrieve VF resource limits
766 * @adapter: the adapter
768 * Retrieves configured resource limits and capabilities for a virtual
769 * function. The results are stored in @adapter->vfres.
771 int t4vf_get_vfres(struct adapter
*adapter
)
773 struct vf_resources
*vfres
= &adapter
->params
.vfres
;
774 struct fw_pfvf_cmd cmd
, rpl
;
779 * Execute PFVF Read command to get VF resource limits; bail out early
780 * with error on command failure.
782 memset(&cmd
, 0, sizeof(cmd
));
783 cmd
.op_to_vfn
= cpu_to_be32(FW_CMD_OP_V(FW_PFVF_CMD
) |
786 cmd
.retval_len16
= cpu_to_be32(FW_LEN16(cmd
));
787 v
= t4vf_wr_mbox(adapter
, &cmd
, sizeof(cmd
), &rpl
);
792 * Extract VF resource limits and return success.
794 word
= be32_to_cpu(rpl
.niqflint_niq
);
795 vfres
->niqflint
= FW_PFVF_CMD_NIQFLINT_G(word
);
796 vfres
->niq
= FW_PFVF_CMD_NIQ_G(word
);
798 word
= be32_to_cpu(rpl
.type_to_neq
);
799 vfres
->neq
= FW_PFVF_CMD_NEQ_G(word
);
800 vfres
->pmask
= FW_PFVF_CMD_PMASK_G(word
);
802 word
= be32_to_cpu(rpl
.tc_to_nexactf
);
803 vfres
->tc
= FW_PFVF_CMD_TC_G(word
);
804 vfres
->nvi
= FW_PFVF_CMD_NVI_G(word
);
805 vfres
->nexactf
= FW_PFVF_CMD_NEXACTF_G(word
);
807 word
= be32_to_cpu(rpl
.r_caps_to_nethctrl
);
808 vfres
->r_caps
= FW_PFVF_CMD_R_CAPS_G(word
);
809 vfres
->wx_caps
= FW_PFVF_CMD_WX_CAPS_G(word
);
810 vfres
->nethctrl
= FW_PFVF_CMD_NETHCTRL_G(word
);
816 * t4vf_read_rss_vi_config - read a VI's RSS configuration
817 * @adapter: the adapter
818 * @viid: Virtual Interface ID
819 * @config: pointer to host-native VI RSS Configuration buffer
821 * Reads the Virtual Interface's RSS configuration information and
822 * translates it into CPU-native format.
824 int t4vf_read_rss_vi_config(struct adapter
*adapter
, unsigned int viid
,
825 union rss_vi_config
*config
)
827 struct fw_rss_vi_config_cmd cmd
, rpl
;
830 memset(&cmd
, 0, sizeof(cmd
));
831 cmd
.op_to_viid
= cpu_to_be32(FW_CMD_OP_V(FW_RSS_VI_CONFIG_CMD
) |
834 FW_RSS_VI_CONFIG_CMD_VIID(viid
));
835 cmd
.retval_len16
= cpu_to_be32(FW_LEN16(cmd
));
836 v
= t4vf_wr_mbox(adapter
, &cmd
, sizeof(cmd
), &rpl
);
840 switch (adapter
->params
.rss
.mode
) {
841 case FW_RSS_GLB_CONFIG_CMD_MODE_BASICVIRTUAL
: {
842 u32 word
= be32_to_cpu(rpl
.u
.basicvirtual
.defaultq_to_udpen
);
844 config
->basicvirtual
.ip6fourtupen
=
845 ((word
& FW_RSS_VI_CONFIG_CMD_IP6FOURTUPEN_F
) != 0);
846 config
->basicvirtual
.ip6twotupen
=
847 ((word
& FW_RSS_VI_CONFIG_CMD_IP6TWOTUPEN_F
) != 0);
848 config
->basicvirtual
.ip4fourtupen
=
849 ((word
& FW_RSS_VI_CONFIG_CMD_IP4FOURTUPEN_F
) != 0);
850 config
->basicvirtual
.ip4twotupen
=
851 ((word
& FW_RSS_VI_CONFIG_CMD_IP4TWOTUPEN_F
) != 0);
852 config
->basicvirtual
.udpen
=
853 ((word
& FW_RSS_VI_CONFIG_CMD_UDPEN_F
) != 0);
854 config
->basicvirtual
.defaultq
=
855 FW_RSS_VI_CONFIG_CMD_DEFAULTQ_G(word
);
867 * t4vf_write_rss_vi_config - write a VI's RSS configuration
868 * @adapter: the adapter
869 * @viid: Virtual Interface ID
870 * @config: pointer to host-native VI RSS Configuration buffer
872 * Write the Virtual Interface's RSS configuration information
873 * (translating it into firmware-native format before writing).
875 int t4vf_write_rss_vi_config(struct adapter
*adapter
, unsigned int viid
,
876 union rss_vi_config
*config
)
878 struct fw_rss_vi_config_cmd cmd
, rpl
;
880 memset(&cmd
, 0, sizeof(cmd
));
881 cmd
.op_to_viid
= cpu_to_be32(FW_CMD_OP_V(FW_RSS_VI_CONFIG_CMD
) |
884 FW_RSS_VI_CONFIG_CMD_VIID(viid
));
885 cmd
.retval_len16
= cpu_to_be32(FW_LEN16(cmd
));
886 switch (adapter
->params
.rss
.mode
) {
887 case FW_RSS_GLB_CONFIG_CMD_MODE_BASICVIRTUAL
: {
890 if (config
->basicvirtual
.ip6fourtupen
)
891 word
|= FW_RSS_VI_CONFIG_CMD_IP6FOURTUPEN_F
;
892 if (config
->basicvirtual
.ip6twotupen
)
893 word
|= FW_RSS_VI_CONFIG_CMD_IP6TWOTUPEN_F
;
894 if (config
->basicvirtual
.ip4fourtupen
)
895 word
|= FW_RSS_VI_CONFIG_CMD_IP4FOURTUPEN_F
;
896 if (config
->basicvirtual
.ip4twotupen
)
897 word
|= FW_RSS_VI_CONFIG_CMD_IP4TWOTUPEN_F
;
898 if (config
->basicvirtual
.udpen
)
899 word
|= FW_RSS_VI_CONFIG_CMD_UDPEN_F
;
900 word
|= FW_RSS_VI_CONFIG_CMD_DEFAULTQ_V(
901 config
->basicvirtual
.defaultq
);
902 cmd
.u
.basicvirtual
.defaultq_to_udpen
= cpu_to_be32(word
);
910 return t4vf_wr_mbox(adapter
, &cmd
, sizeof(cmd
), &rpl
);
914 * t4vf_config_rss_range - configure a portion of the RSS mapping table
915 * @adapter: the adapter
916 * @viid: Virtual Interface of RSS Table Slice
917 * @start: starting entry in the table to write
918 * @n: how many table entries to write
919 * @rspq: values for the "Response Queue" (Ingress Queue) lookup table
920 * @nrspq: number of values in @rspq
922 * Programs the selected part of the VI's RSS mapping table with the
923 * provided values. If @nrspq < @n the supplied values are used repeatedly
924 * until the full table range is populated.
926 * The caller must ensure the values in @rspq are in the range 0..1023.
928 int t4vf_config_rss_range(struct adapter
*adapter
, unsigned int viid
,
929 int start
, int n
, const u16
*rspq
, int nrspq
)
931 const u16
*rsp
= rspq
;
932 const u16
*rsp_end
= rspq
+nrspq
;
933 struct fw_rss_ind_tbl_cmd cmd
;
936 * Initialize firmware command template to write the RSS table.
938 memset(&cmd
, 0, sizeof(cmd
));
939 cmd
.op_to_viid
= cpu_to_be32(FW_CMD_OP_V(FW_RSS_IND_TBL_CMD
) |
942 FW_RSS_IND_TBL_CMD_VIID_V(viid
));
943 cmd
.retval_len16
= cpu_to_be32(FW_LEN16(cmd
));
946 * Each firmware RSS command can accommodate up to 32 RSS Ingress
947 * Queue Identifiers. These Ingress Queue IDs are packed three to
948 * a 32-bit word as 10-bit values with the upper remaining 2 bits
952 __be32
*qp
= &cmd
.iq0_to_iq2
;
957 * Set up the firmware RSS command header to send the next
958 * "nq" Ingress Queue IDs to the firmware.
960 cmd
.niqid
= cpu_to_be16(nq
);
961 cmd
.startidx
= cpu_to_be16(start
);
964 * "nq" more done for the start of the next loop.
970 * While there are still Ingress Queue IDs to stuff into the
971 * current firmware RSS command, retrieve them from the
972 * Ingress Queue ID array and insert them into the command.
976 * Grab up to the next 3 Ingress Queue IDs (wrapping
977 * around the Ingress Queue ID array if necessary) and
978 * insert them into the firmware RSS command at the
979 * current 3-tuple position within the commad.
983 int nqbuf
= min(3, nq
);
986 qbuf
[0] = qbuf
[1] = qbuf
[2] = 0;
993 *qp
++ = cpu_to_be32(FW_RSS_IND_TBL_CMD_IQ0_V(qbuf
[0]) |
994 FW_RSS_IND_TBL_CMD_IQ1_V(qbuf
[1]) |
995 FW_RSS_IND_TBL_CMD_IQ2_V(qbuf
[2]));
999 * Send this portion of the RRS table update to the firmware;
1000 * bail out on any errors.
1002 ret
= t4vf_wr_mbox(adapter
, &cmd
, sizeof(cmd
), NULL
);
1010 * t4vf_alloc_vi - allocate a virtual interface on a port
1011 * @adapter: the adapter
1012 * @port_id: physical port associated with the VI
1014 * Allocate a new Virtual Interface and bind it to the indicated
1015 * physical port. Return the new Virtual Interface Identifier on
1016 * success, or a [negative] error number on failure.
1018 int t4vf_alloc_vi(struct adapter
*adapter
, int port_id
)
1020 struct fw_vi_cmd cmd
, rpl
;
1024 * Execute a VI command to allocate Virtual Interface and return its
1027 memset(&cmd
, 0, sizeof(cmd
));
1028 cmd
.op_to_vfn
= cpu_to_be32(FW_CMD_OP_V(FW_VI_CMD
) |
1032 cmd
.alloc_to_len16
= cpu_to_be32(FW_LEN16(cmd
) |
1034 cmd
.portid_pkd
= FW_VI_CMD_PORTID_V(port_id
);
1035 v
= t4vf_wr_mbox(adapter
, &cmd
, sizeof(cmd
), &rpl
);
1039 return FW_VI_CMD_VIID_G(be16_to_cpu(rpl
.type_viid
));
1043 * t4vf_free_vi -- free a virtual interface
1044 * @adapter: the adapter
1045 * @viid: the virtual interface identifier
1047 * Free a previously allocated Virtual Interface. Return an error on
1050 int t4vf_free_vi(struct adapter
*adapter
, int viid
)
1052 struct fw_vi_cmd cmd
;
1055 * Execute a VI command to free the Virtual Interface.
1057 memset(&cmd
, 0, sizeof(cmd
));
1058 cmd
.op_to_vfn
= cpu_to_be32(FW_CMD_OP_V(FW_VI_CMD
) |
1061 cmd
.alloc_to_len16
= cpu_to_be32(FW_LEN16(cmd
) |
1063 cmd
.type_viid
= cpu_to_be16(FW_VI_CMD_VIID_V(viid
));
1064 return t4vf_wr_mbox(adapter
, &cmd
, sizeof(cmd
), NULL
);
1068 * t4vf_enable_vi - enable/disable a virtual interface
1069 * @adapter: the adapter
1070 * @viid: the Virtual Interface ID
1071 * @rx_en: 1=enable Rx, 0=disable Rx
1072 * @tx_en: 1=enable Tx, 0=disable Tx
1074 * Enables/disables a virtual interface.
1076 int t4vf_enable_vi(struct adapter
*adapter
, unsigned int viid
,
1077 bool rx_en
, bool tx_en
)
1079 struct fw_vi_enable_cmd cmd
;
1081 memset(&cmd
, 0, sizeof(cmd
));
1082 cmd
.op_to_viid
= cpu_to_be32(FW_CMD_OP_V(FW_VI_ENABLE_CMD
) |
1085 FW_VI_ENABLE_CMD_VIID_V(viid
));
1086 cmd
.ien_to_len16
= cpu_to_be32(FW_VI_ENABLE_CMD_IEN_V(rx_en
) |
1087 FW_VI_ENABLE_CMD_EEN_V(tx_en
) |
1089 return t4vf_wr_mbox(adapter
, &cmd
, sizeof(cmd
), NULL
);
1093 * t4vf_identify_port - identify a VI's port by blinking its LED
1094 * @adapter: the adapter
1095 * @viid: the Virtual Interface ID
1096 * @nblinks: how many times to blink LED at 2.5 Hz
1098 * Identifies a VI's port by blinking its LED.
1100 int t4vf_identify_port(struct adapter
*adapter
, unsigned int viid
,
1101 unsigned int nblinks
)
1103 struct fw_vi_enable_cmd cmd
;
1105 memset(&cmd
, 0, sizeof(cmd
));
1106 cmd
.op_to_viid
= cpu_to_be32(FW_CMD_OP_V(FW_VI_ENABLE_CMD
) |
1109 FW_VI_ENABLE_CMD_VIID_V(viid
));
1110 cmd
.ien_to_len16
= cpu_to_be32(FW_VI_ENABLE_CMD_LED_F
|
1112 cmd
.blinkdur
= cpu_to_be16(nblinks
);
1113 return t4vf_wr_mbox(adapter
, &cmd
, sizeof(cmd
), NULL
);
1117 * t4vf_set_rxmode - set Rx properties of a virtual interface
1118 * @adapter: the adapter
1120 * @mtu: the new MTU or -1 for no change
1121 * @promisc: 1 to enable promiscuous mode, 0 to disable it, -1 no change
1122 * @all_multi: 1 to enable all-multi mode, 0 to disable it, -1 no change
1123 * @bcast: 1 to enable broadcast Rx, 0 to disable it, -1 no change
1124 * @vlanex: 1 to enable hardware VLAN Tag extraction, 0 to disable it,
1127 * Sets Rx properties of a virtual interface.
1129 int t4vf_set_rxmode(struct adapter
*adapter
, unsigned int viid
,
1130 int mtu
, int promisc
, int all_multi
, int bcast
, int vlanex
,
1133 struct fw_vi_rxmode_cmd cmd
;
1135 /* convert to FW values */
1137 mtu
= FW_VI_RXMODE_CMD_MTU_M
;
1139 promisc
= FW_VI_RXMODE_CMD_PROMISCEN_M
;
1141 all_multi
= FW_VI_RXMODE_CMD_ALLMULTIEN_M
;
1143 bcast
= FW_VI_RXMODE_CMD_BROADCASTEN_M
;
1145 vlanex
= FW_VI_RXMODE_CMD_VLANEXEN_M
;
1147 memset(&cmd
, 0, sizeof(cmd
));
1148 cmd
.op_to_viid
= cpu_to_be32(FW_CMD_OP_V(FW_VI_RXMODE_CMD
) |
1151 FW_VI_RXMODE_CMD_VIID_V(viid
));
1152 cmd
.retval_len16
= cpu_to_be32(FW_LEN16(cmd
));
1153 cmd
.mtu_to_vlanexen
=
1154 cpu_to_be32(FW_VI_RXMODE_CMD_MTU_V(mtu
) |
1155 FW_VI_RXMODE_CMD_PROMISCEN_V(promisc
) |
1156 FW_VI_RXMODE_CMD_ALLMULTIEN_V(all_multi
) |
1157 FW_VI_RXMODE_CMD_BROADCASTEN_V(bcast
) |
1158 FW_VI_RXMODE_CMD_VLANEXEN_V(vlanex
));
1159 return t4vf_wr_mbox_core(adapter
, &cmd
, sizeof(cmd
), NULL
, sleep_ok
);
1163 * t4vf_alloc_mac_filt - allocates exact-match filters for MAC addresses
1164 * @adapter: the adapter
1165 * @viid: the Virtual Interface Identifier
1166 * @free: if true any existing filters for this VI id are first removed
1167 * @naddr: the number of MAC addresses to allocate filters for (up to 7)
1168 * @addr: the MAC address(es)
1169 * @idx: where to store the index of each allocated filter
1170 * @hash: pointer to hash address filter bitmap
1171 * @sleep_ok: call is allowed to sleep
1173 * Allocates an exact-match filter for each of the supplied addresses and
1174 * sets it to the corresponding address. If @idx is not %NULL it should
1175 * have at least @naddr entries, each of which will be set to the index of
1176 * the filter allocated for the corresponding MAC address. If a filter
1177 * could not be allocated for an address its index is set to 0xffff.
1178 * If @hash is not %NULL addresses that fail to allocate an exact filter
1179 * are hashed and update the hash filter bitmap pointed at by @hash.
1181 * Returns a negative error number or the number of filters allocated.
1183 int t4vf_alloc_mac_filt(struct adapter
*adapter
, unsigned int viid
, bool free
,
1184 unsigned int naddr
, const u8
**addr
, u16
*idx
,
1185 u64
*hash
, bool sleep_ok
)
1187 int offset
, ret
= 0;
1188 unsigned nfilters
= 0;
1189 unsigned int rem
= naddr
;
1190 struct fw_vi_mac_cmd cmd
, rpl
;
1191 unsigned int max_naddr
= is_t4(adapter
->params
.chip
) ?
1192 NUM_MPS_CLS_SRAM_L_INSTANCES
:
1193 NUM_MPS_T5_CLS_SRAM_L_INSTANCES
;
1195 if (naddr
> max_naddr
)
1198 for (offset
= 0; offset
< naddr
; /**/) {
1199 unsigned int fw_naddr
= (rem
< ARRAY_SIZE(cmd
.u
.exact
)
1201 : ARRAY_SIZE(cmd
.u
.exact
));
1202 size_t len16
= DIV_ROUND_UP(offsetof(struct fw_vi_mac_cmd
,
1203 u
.exact
[fw_naddr
]), 16);
1204 struct fw_vi_mac_exact
*p
;
1207 memset(&cmd
, 0, sizeof(cmd
));
1208 cmd
.op_to_viid
= cpu_to_be32(FW_CMD_OP_V(FW_VI_MAC_CMD
) |
1211 (free
? FW_CMD_EXEC_F
: 0) |
1212 FW_VI_MAC_CMD_VIID_V(viid
));
1213 cmd
.freemacs_to_len16
=
1214 cpu_to_be32(FW_VI_MAC_CMD_FREEMACS_V(free
) |
1215 FW_CMD_LEN16_V(len16
));
1217 for (i
= 0, p
= cmd
.u
.exact
; i
< fw_naddr
; i
++, p
++) {
1218 p
->valid_to_idx
= cpu_to_be16(
1219 FW_VI_MAC_CMD_VALID_F
|
1220 FW_VI_MAC_CMD_IDX_V(FW_VI_MAC_ADD_MAC
));
1221 memcpy(p
->macaddr
, addr
[offset
+i
], sizeof(p
->macaddr
));
1225 ret
= t4vf_wr_mbox_core(adapter
, &cmd
, sizeof(cmd
), &rpl
,
1227 if (ret
&& ret
!= -ENOMEM
)
1230 for (i
= 0, p
= rpl
.u
.exact
; i
< fw_naddr
; i
++, p
++) {
1231 u16 index
= FW_VI_MAC_CMD_IDX_G(
1232 be16_to_cpu(p
->valid_to_idx
));
1239 if (index
< max_naddr
)
1242 *hash
|= (1ULL << hash_mac_addr(addr
[offset
+i
]));
1251 * If there were no errors or we merely ran out of room in our MAC
1252 * address arena, return the number of filters actually written.
1254 if (ret
== 0 || ret
== -ENOMEM
)
1260 * t4vf_change_mac - modifies the exact-match filter for a MAC address
1261 * @adapter: the adapter
1262 * @viid: the Virtual Interface ID
1263 * @idx: index of existing filter for old value of MAC address, or -1
1264 * @addr: the new MAC address value
1265 * @persist: if idx < 0, the new MAC allocation should be persistent
1267 * Modifies an exact-match filter and sets it to the new MAC address.
1268 * Note that in general it is not possible to modify the value of a given
1269 * filter so the generic way to modify an address filter is to free the
1270 * one being used by the old address value and allocate a new filter for
1271 * the new address value. @idx can be -1 if the address is a new
1274 * Returns a negative error number or the index of the filter with the new
1277 int t4vf_change_mac(struct adapter
*adapter
, unsigned int viid
,
1278 int idx
, const u8
*addr
, bool persist
)
1281 struct fw_vi_mac_cmd cmd
, rpl
;
1282 struct fw_vi_mac_exact
*p
= &cmd
.u
.exact
[0];
1283 size_t len16
= DIV_ROUND_UP(offsetof(struct fw_vi_mac_cmd
,
1285 unsigned int max_naddr
= is_t4(adapter
->params
.chip
) ?
1286 NUM_MPS_CLS_SRAM_L_INSTANCES
:
1287 NUM_MPS_T5_CLS_SRAM_L_INSTANCES
;
1290 * If this is a new allocation, determine whether it should be
1291 * persistent (across a "freemacs" operation) or not.
1294 idx
= persist
? FW_VI_MAC_ADD_PERSIST_MAC
: FW_VI_MAC_ADD_MAC
;
1296 memset(&cmd
, 0, sizeof(cmd
));
1297 cmd
.op_to_viid
= cpu_to_be32(FW_CMD_OP_V(FW_VI_MAC_CMD
) |
1300 FW_VI_MAC_CMD_VIID_V(viid
));
1301 cmd
.freemacs_to_len16
= cpu_to_be32(FW_CMD_LEN16_V(len16
));
1302 p
->valid_to_idx
= cpu_to_be16(FW_VI_MAC_CMD_VALID_F
|
1303 FW_VI_MAC_CMD_IDX_V(idx
));
1304 memcpy(p
->macaddr
, addr
, sizeof(p
->macaddr
));
1306 ret
= t4vf_wr_mbox(adapter
, &cmd
, sizeof(cmd
), &rpl
);
1308 p
= &rpl
.u
.exact
[0];
1309 ret
= FW_VI_MAC_CMD_IDX_G(be16_to_cpu(p
->valid_to_idx
));
1310 if (ret
>= max_naddr
)
1317 * t4vf_set_addr_hash - program the MAC inexact-match hash filter
1318 * @adapter: the adapter
1319 * @viid: the Virtual Interface Identifier
1320 * @ucast: whether the hash filter should also match unicast addresses
1321 * @vec: the value to be written to the hash filter
1322 * @sleep_ok: call is allowed to sleep
1324 * Sets the 64-bit inexact-match hash filter for a virtual interface.
1326 int t4vf_set_addr_hash(struct adapter
*adapter
, unsigned int viid
,
1327 bool ucast
, u64 vec
, bool sleep_ok
)
1329 struct fw_vi_mac_cmd cmd
;
1330 size_t len16
= DIV_ROUND_UP(offsetof(struct fw_vi_mac_cmd
,
1333 memset(&cmd
, 0, sizeof(cmd
));
1334 cmd
.op_to_viid
= cpu_to_be32(FW_CMD_OP_V(FW_VI_MAC_CMD
) |
1337 FW_VI_ENABLE_CMD_VIID_V(viid
));
1338 cmd
.freemacs_to_len16
= cpu_to_be32(FW_VI_MAC_CMD_HASHVECEN_F
|
1339 FW_VI_MAC_CMD_HASHUNIEN_V(ucast
) |
1340 FW_CMD_LEN16_V(len16
));
1341 cmd
.u
.hash
.hashvec
= cpu_to_be64(vec
);
1342 return t4vf_wr_mbox_core(adapter
, &cmd
, sizeof(cmd
), NULL
, sleep_ok
);
1346 * t4vf_get_port_stats - collect "port" statistics
1347 * @adapter: the adapter
1348 * @pidx: the port index
1349 * @s: the stats structure to fill
1351 * Collect statistics for the "port"'s Virtual Interface.
1353 int t4vf_get_port_stats(struct adapter
*adapter
, int pidx
,
1354 struct t4vf_port_stats
*s
)
1356 struct port_info
*pi
= adap2pinfo(adapter
, pidx
);
1357 struct fw_vi_stats_vf fwstats
;
1358 unsigned int rem
= VI_VF_NUM_STATS
;
1359 __be64
*fwsp
= (__be64
*)&fwstats
;
1362 * Grab the Virtual Interface statistics a chunk at a time via mailbox
1363 * commands. We could use a Work Request and get all of them at once
1364 * but that's an asynchronous interface which is awkward to use.
1367 unsigned int ix
= VI_VF_NUM_STATS
- rem
;
1368 unsigned int nstats
= min(6U, rem
);
1369 struct fw_vi_stats_cmd cmd
, rpl
;
1370 size_t len
= (offsetof(struct fw_vi_stats_cmd
, u
) +
1371 sizeof(struct fw_vi_stats_ctl
));
1372 size_t len16
= DIV_ROUND_UP(len
, 16);
1375 memset(&cmd
, 0, sizeof(cmd
));
1376 cmd
.op_to_viid
= cpu_to_be32(FW_CMD_OP_V(FW_VI_STATS_CMD
) |
1377 FW_VI_STATS_CMD_VIID_V(pi
->viid
) |
1380 cmd
.retval_len16
= cpu_to_be32(FW_CMD_LEN16_V(len16
));
1381 cmd
.u
.ctl
.nstats_ix
=
1382 cpu_to_be16(FW_VI_STATS_CMD_IX_V(ix
) |
1383 FW_VI_STATS_CMD_NSTATS_V(nstats
));
1384 ret
= t4vf_wr_mbox_ns(adapter
, &cmd
, len
, &rpl
);
1388 memcpy(fwsp
, &rpl
.u
.ctl
.stat0
, sizeof(__be64
) * nstats
);
1395 * Translate firmware statistics into host native statistics.
1397 s
->tx_bcast_bytes
= be64_to_cpu(fwstats
.tx_bcast_bytes
);
1398 s
->tx_bcast_frames
= be64_to_cpu(fwstats
.tx_bcast_frames
);
1399 s
->tx_mcast_bytes
= be64_to_cpu(fwstats
.tx_mcast_bytes
);
1400 s
->tx_mcast_frames
= be64_to_cpu(fwstats
.tx_mcast_frames
);
1401 s
->tx_ucast_bytes
= be64_to_cpu(fwstats
.tx_ucast_bytes
);
1402 s
->tx_ucast_frames
= be64_to_cpu(fwstats
.tx_ucast_frames
);
1403 s
->tx_drop_frames
= be64_to_cpu(fwstats
.tx_drop_frames
);
1404 s
->tx_offload_bytes
= be64_to_cpu(fwstats
.tx_offload_bytes
);
1405 s
->tx_offload_frames
= be64_to_cpu(fwstats
.tx_offload_frames
);
1407 s
->rx_bcast_bytes
= be64_to_cpu(fwstats
.rx_bcast_bytes
);
1408 s
->rx_bcast_frames
= be64_to_cpu(fwstats
.rx_bcast_frames
);
1409 s
->rx_mcast_bytes
= be64_to_cpu(fwstats
.rx_mcast_bytes
);
1410 s
->rx_mcast_frames
= be64_to_cpu(fwstats
.rx_mcast_frames
);
1411 s
->rx_ucast_bytes
= be64_to_cpu(fwstats
.rx_ucast_bytes
);
1412 s
->rx_ucast_frames
= be64_to_cpu(fwstats
.rx_ucast_frames
);
1414 s
->rx_err_frames
= be64_to_cpu(fwstats
.rx_err_frames
);
1420 * t4vf_iq_free - free an ingress queue and its free lists
1421 * @adapter: the adapter
1422 * @iqtype: the ingress queue type (FW_IQ_TYPE_FL_INT_CAP, etc.)
1423 * @iqid: ingress queue ID
1424 * @fl0id: FL0 queue ID or 0xffff if no attached FL0
1425 * @fl1id: FL1 queue ID or 0xffff if no attached FL1
1427 * Frees an ingress queue and its associated free lists, if any.
1429 int t4vf_iq_free(struct adapter
*adapter
, unsigned int iqtype
,
1430 unsigned int iqid
, unsigned int fl0id
, unsigned int fl1id
)
1432 struct fw_iq_cmd cmd
;
1434 memset(&cmd
, 0, sizeof(cmd
));
1435 cmd
.op_to_vfn
= cpu_to_be32(FW_CMD_OP_V(FW_IQ_CMD
) |
1438 cmd
.alloc_to_len16
= cpu_to_be32(FW_IQ_CMD_FREE_F
|
1440 cmd
.type_to_iqandstindex
=
1441 cpu_to_be32(FW_IQ_CMD_TYPE_V(iqtype
));
1443 cmd
.iqid
= cpu_to_be16(iqid
);
1444 cmd
.fl0id
= cpu_to_be16(fl0id
);
1445 cmd
.fl1id
= cpu_to_be16(fl1id
);
1446 return t4vf_wr_mbox(adapter
, &cmd
, sizeof(cmd
), NULL
);
1450 * t4vf_eth_eq_free - free an Ethernet egress queue
1451 * @adapter: the adapter
1452 * @eqid: egress queue ID
1454 * Frees an Ethernet egress queue.
1456 int t4vf_eth_eq_free(struct adapter
*adapter
, unsigned int eqid
)
1458 struct fw_eq_eth_cmd cmd
;
1460 memset(&cmd
, 0, sizeof(cmd
));
1461 cmd
.op_to_vfn
= cpu_to_be32(FW_CMD_OP_V(FW_EQ_ETH_CMD
) |
1464 cmd
.alloc_to_len16
= cpu_to_be32(FW_EQ_ETH_CMD_FREE_F
|
1466 cmd
.eqid_pkd
= cpu_to_be32(FW_EQ_ETH_CMD_EQID_V(eqid
));
1467 return t4vf_wr_mbox(adapter
, &cmd
, sizeof(cmd
), NULL
);
1471 * t4vf_handle_fw_rpl - process a firmware reply message
1472 * @adapter: the adapter
1473 * @rpl: start of the firmware message
1475 * Processes a firmware message, such as link state change messages.
1477 int t4vf_handle_fw_rpl(struct adapter
*adapter
, const __be64
*rpl
)
1479 const struct fw_cmd_hdr
*cmd_hdr
= (const struct fw_cmd_hdr
*)rpl
;
1480 u8 opcode
= FW_CMD_OP_G(be32_to_cpu(cmd_hdr
->hi
));
1485 * Link/module state change message.
1487 const struct fw_port_cmd
*port_cmd
=
1488 (const struct fw_port_cmd
*)rpl
;
1490 int action
, port_id
, link_ok
, speed
, fc
, pidx
;
1493 * Extract various fields from port status change message.
1495 action
= FW_PORT_CMD_ACTION_G(
1496 be32_to_cpu(port_cmd
->action_to_len16
));
1497 if (action
!= FW_PORT_ACTION_GET_PORT_INFO
) {
1498 dev_err(adapter
->pdev_dev
,
1499 "Unknown firmware PORT reply action %x\n",
1504 port_id
= FW_PORT_CMD_PORTID_G(
1505 be32_to_cpu(port_cmd
->op_to_portid
));
1507 stat
= be32_to_cpu(port_cmd
->u
.info
.lstatus_to_modtype
);
1508 link_ok
= (stat
& FW_PORT_CMD_LSTATUS_F
) != 0;
1511 if (stat
& FW_PORT_CMD_RXPAUSE_F
)
1513 if (stat
& FW_PORT_CMD_TXPAUSE_F
)
1515 if (stat
& FW_PORT_CMD_LSPEED_V(FW_PORT_CAP_SPEED_100M
))
1517 else if (stat
& FW_PORT_CMD_LSPEED_V(FW_PORT_CAP_SPEED_1G
))
1519 else if (stat
& FW_PORT_CMD_LSPEED_V(FW_PORT_CAP_SPEED_10G
))
1521 else if (stat
& FW_PORT_CMD_LSPEED_V(FW_PORT_CAP_SPEED_40G
))
1525 * Scan all of our "ports" (Virtual Interfaces) looking for
1526 * those bound to the physical port which has changed. If
1527 * our recorded state doesn't match the current state,
1528 * signal that change to the OS code.
1530 for_each_port(adapter
, pidx
) {
1531 struct port_info
*pi
= adap2pinfo(adapter
, pidx
);
1532 struct link_config
*lc
;
1534 if (pi
->port_id
!= port_id
)
1539 mod
= FW_PORT_CMD_MODTYPE_G(stat
);
1540 if (mod
!= pi
->mod_type
) {
1542 t4vf_os_portmod_changed(adapter
, pidx
);
1545 if (link_ok
!= lc
->link_ok
|| speed
!= lc
->speed
||
1547 /* something changed */
1548 lc
->link_ok
= link_ok
;
1552 be16_to_cpu(port_cmd
->u
.info
.pcap
);
1553 t4vf_os_link_changed(adapter
, pidx
, link_ok
);
1560 dev_err(adapter
->pdev_dev
, "Unknown firmware reply %X\n",
1568 int t4vf_prep_adapter(struct adapter
*adapter
)
1571 unsigned int chipid
;
1573 /* Wait for the device to become ready before proceeding ...
1575 err
= t4vf_wait_dev_ready(adapter
);
1579 /* Default port and clock for debugging in case we can't reach
1582 adapter
->params
.nports
= 1;
1583 adapter
->params
.vfres
.pmask
= 1;
1584 adapter
->params
.vpd
.cclk
= 50000;
1586 adapter
->params
.chip
= 0;
1587 switch (CHELSIO_PCI_ID_VER(adapter
->pdev
->device
)) {
1589 adapter
->params
.chip
|= CHELSIO_CHIP_CODE(CHELSIO_T4
, 0);
1593 chipid
= G_REV(t4_read_reg(adapter
, A_PL_VF_REV
));
1594 adapter
->params
.chip
|= CHELSIO_CHIP_CODE(CHELSIO_T5
, chipid
);