2 * Copyright (c) 2012 Chelsio Communications, Inc.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
34 #include "t4_regs_values.h"
35 #include "firmware/t4fw_interface.h"
38 #define msleep(x) do { \
42 pause("t4hw", (x) * hz / 1000); \
46 * t4_wait_op_done_val - wait until an operation is completed
47 * @adapter: the adapter performing the operation
48 * @reg: the register to check for completion
49 * @mask: a single-bit field within @reg that indicates completion
50 * @polarity: the value of the field when the operation is completed
51 * @attempts: number of check iterations
52 * @delay: delay in usecs between iterations
53 * @valp: where to store the value of the register at completion time
55 * Wait until an operation is completed by checking a bit in a register
56 * up to @attempts times. If @valp is not NULL the value of the register
57 * at the time it indicated completion is stored there. Returns 0 if the
58 * operation completes and -EAGAIN otherwise.
60 int t4_wait_op_done_val(struct adapter *adapter, int reg, u32 mask,
61 int polarity, int attempts, int delay, u32 *valp)
64 u32 val = t4_read_reg(adapter, reg);
66 if (!!(val & mask) == polarity) {
79 * t4_set_reg_field - set a register field to a value
80 * @adapter: the adapter to program
81 * @addr: the register address
82 * @mask: specifies the portion of the register to modify
83 * @val: the new value for the register field
85 * Sets a register field specified by the supplied mask to the
88 void t4_set_reg_field(struct adapter *adapter, unsigned int addr, u32 mask,
91 u32 v = t4_read_reg(adapter, addr) & ~mask;
93 t4_write_reg(adapter, addr, v | val);
94 (void) t4_read_reg(adapter, addr); /* flush */
98 * t4_read_indirect - read indirectly addressed registers
100 * @addr_reg: register holding the indirect address
101 * @data_reg: register holding the value of the indirect register
102 * @vals: where the read register values are stored
103 * @nregs: how many indirect registers to read
104 * @start_idx: index of first indirect register to read
106 * Reads registers that are accessed indirectly through an address/data
109 void t4_read_indirect(struct adapter *adap, unsigned int addr_reg,
110 unsigned int data_reg, u32 *vals, unsigned int nregs,
111 unsigned int start_idx)
114 t4_write_reg(adap, addr_reg, start_idx);
115 *vals++ = t4_read_reg(adap, data_reg);
121 * t4_write_indirect - write indirectly addressed registers
123 * @addr_reg: register holding the indirect addresses
124 * @data_reg: register holding the value for the indirect registers
125 * @vals: values to write
126 * @nregs: how many indirect registers to write
127 * @start_idx: address of first indirect register to write
129 * Writes a sequential block of registers that are accessed indirectly
130 * through an address/data register pair.
132 void t4_write_indirect(struct adapter *adap, unsigned int addr_reg,
133 unsigned int data_reg, const u32 *vals,
134 unsigned int nregs, unsigned int start_idx)
137 t4_write_reg(adap, addr_reg, start_idx++);
138 t4_write_reg(adap, data_reg, *vals++);
143 * Read a 32-bit PCI Configuration Space register via the PCI-E backdoor
144 * mechanism. This guarantees that we get the real value even if we're
145 * operating within a Virtual Machine and the Hypervisor is trapping our
146 * Configuration Space accesses.
148 u32 t4_hw_pci_read_cfg4(adapter_t *adap, int reg)
150 t4_write_reg(adap, A_PCIE_CFG_SPACE_REQ,
151 F_ENABLE | F_LOCALCFG | V_FUNCTION(adap->pf) |
153 return t4_read_reg(adap, A_PCIE_CFG_SPACE_DATA);
157 * t4_report_fw_error - report firmware error
160 * The adapter firmware can indicate error conditions to the host.
161 * This routine prints out the reason for the firmware error (as
162 * reported by the firmware).
164 static void t4_report_fw_error(struct adapter *adap)
166 static const char *reason[] = {
167 "Crash", /* PCIE_FW_EVAL_CRASH */
168 "During Device Preparation", /* PCIE_FW_EVAL_PREP */
169 "During Device Configuration", /* PCIE_FW_EVAL_CONF */
170 "During Device Initialization", /* PCIE_FW_EVAL_INIT */
171 "Unexpected Event", /* PCIE_FW_EVAL_UNEXPECTEDEVENT */
172 "Insufficient Airflow", /* PCIE_FW_EVAL_OVERHEAT */
173 "Device Shutdown", /* PCIE_FW_EVAL_DEVICESHUTDOWN */
174 "Reserved", /* reserved */
178 pcie_fw = t4_read_reg(adap, A_PCIE_FW);
179 if (pcie_fw & F_PCIE_FW_ERR)
180 CH_ERR(adap, "Firmware reports adapter error: %s\n",
181 reason[G_PCIE_FW_EVAL(pcie_fw)]);
185 * Get the reply to a mailbox command and store it in @rpl in big-endian order.
187 static void get_mbox_rpl(struct adapter *adap, __be64 *rpl, int nflit,
190 for ( ; nflit; nflit--, mbox_addr += 8)
191 *rpl++ = cpu_to_be64(t4_read_reg64(adap, mbox_addr));
195 * Handle a FW assertion reported in a mailbox.
197 static void fw_asrt(struct adapter *adap, u32 mbox_addr)
199 struct fw_debug_cmd asrt;
201 get_mbox_rpl(adap, (__be64 *)&asrt, sizeof(asrt) / 8, mbox_addr);
202 CH_ALERT(adap, "FW assertion at %.16s:%u, val0 %#x, val1 %#x\n",
203 asrt.u.assert.filename_0_7, ntohl(asrt.u.assert.line),
204 ntohl(asrt.u.assert.x), ntohl(asrt.u.assert.y));
207 #define X_CIM_PF_NOACCESS 0xeeeeeeee
209 * t4_wr_mbox_meat - send a command to FW through the given mailbox
211 * @mbox: index of the mailbox to use
212 * @cmd: the command to write
213 * @size: command length in bytes
214 * @rpl: where to optionally store the reply
215 * @sleep_ok: if true we may sleep while awaiting command completion
217 * Sends the given command to FW through the selected mailbox and waits
218 * for the FW to execute the command. If @rpl is not %NULL it is used to
219 * store the FW's reply to the command. The command and its optional
220 * reply are of the same length. Some FW commands like RESET and
221 * INITIALIZE can take a considerable amount of time to execute.
222 * @sleep_ok determines whether we may sleep while awaiting the response.
223 * If sleeping is allowed we use progressive backoff otherwise we spin.
225 * The return value is 0 on success or a negative errno on failure. A
226 * failure can happen either because we are not able to execute the
227 * command or FW executes it but signals an error. In the latter case
228 * the return value is the error code indicated by FW (negated).
230 int t4_wr_mbox_meat(struct adapter *adap, int mbox, const void *cmd, int size,
231 void *rpl, bool sleep_ok)
234 * We delay in small increments at first in an effort to maintain
235 * responsiveness for simple, fast executing commands but then back
236 * off to larger delays to a maximum retry delay.
238 static const int delay[] = {
239 1, 1, 3, 5, 10, 10, 20, 50, 100
244 int i, ms, delay_idx;
245 const __be64 *p = cmd;
246 u32 data_reg = PF_REG(mbox, A_CIM_PF_MAILBOX_DATA);
247 u32 ctl_reg = PF_REG(mbox, A_CIM_PF_MAILBOX_CTRL);
249 if ((size & 15) || size > MBOX_LEN)
252 v = G_MBOWNER(t4_read_reg(adap, ctl_reg));
253 for (i = 0; v == X_MBOWNER_NONE && i < 3; i++)
254 v = G_MBOWNER(t4_read_reg(adap, ctl_reg));
256 if (v != X_MBOWNER_PL)
257 return v ? -EBUSY : -ETIMEDOUT;
259 for (i = 0; i < size; i += 8, p++)
260 t4_write_reg64(adap, data_reg + i, be64_to_cpu(*p));
262 t4_write_reg(adap, ctl_reg, F_MBMSGVALID | V_MBOWNER(X_MBOWNER_FW));
263 t4_read_reg(adap, ctl_reg); /* flush write */
268 for (i = 0; i < FW_CMD_MAX_TIMEOUT; i += ms) {
270 ms = delay[delay_idx]; /* last element may repeat */
271 if (delay_idx < ARRAY_SIZE(delay) - 1)
277 v = t4_read_reg(adap, ctl_reg);
278 if (v == X_CIM_PF_NOACCESS)
280 if (G_MBOWNER(v) == X_MBOWNER_PL) {
281 if (!(v & F_MBMSGVALID)) {
282 t4_write_reg(adap, ctl_reg,
283 V_MBOWNER(X_MBOWNER_NONE));
287 res = t4_read_reg64(adap, data_reg);
288 if (G_FW_CMD_OP(res >> 32) == FW_DEBUG_CMD) {
289 fw_asrt(adap, data_reg);
290 res = V_FW_CMD_RETVAL(EIO);
292 get_mbox_rpl(adap, rpl, size / 8, data_reg);
293 t4_write_reg(adap, ctl_reg, V_MBOWNER(X_MBOWNER_NONE));
294 return -G_FW_CMD_RETVAL((int)res);
299 * We timed out waiting for a reply to our mailbox command. Report
300 * the error and also check to see if the firmware reported any
303 CH_ERR(adap, "command %#x in mailbox %d timed out\n",
304 *(const u8 *)cmd, mbox);
305 if (t4_read_reg(adap, A_PCIE_FW) & F_PCIE_FW_ERR)
306 t4_report_fw_error(adap);
311 * t4_mc_read - read from MC through backdoor accesses
313 * @idx: which MC to access
314 * @addr: address of first byte requested
315 * @data: 64 bytes of data containing the requested address
316 * @ecc: where to store the corresponding 64-bit ECC word
318 * Read 64 bytes of data from MC starting at a 64-byte-aligned address
319 * that covers the requested address @addr. If @parity is not %NULL it
320 * is assigned the 64-bit ECC word for the read data.
322 int t4_mc_read(struct adapter *adap, int idx, u32 addr, __be32 *data, u64 *ecc)
325 u32 mc_bist_cmd_reg, mc_bist_cmd_addr_reg, mc_bist_cmd_len_reg;
326 u32 mc_bist_status_rdata_reg, mc_bist_data_pattern_reg;
329 mc_bist_cmd_reg = A_MC_BIST_CMD;
330 mc_bist_cmd_addr_reg = A_MC_BIST_CMD_ADDR;
331 mc_bist_cmd_len_reg = A_MC_BIST_CMD_LEN;
332 mc_bist_status_rdata_reg = A_MC_BIST_STATUS_RDATA;
333 mc_bist_data_pattern_reg = A_MC_BIST_DATA_PATTERN;
335 mc_bist_cmd_reg = MC_REG(A_MC_P_BIST_CMD, idx);
336 mc_bist_cmd_addr_reg = MC_REG(A_MC_P_BIST_CMD_ADDR, idx);
337 mc_bist_cmd_len_reg = MC_REG(A_MC_P_BIST_CMD_LEN, idx);
338 mc_bist_status_rdata_reg = MC_REG(A_MC_P_BIST_STATUS_RDATA,
340 mc_bist_data_pattern_reg = MC_REG(A_MC_P_BIST_DATA_PATTERN,
344 if (t4_read_reg(adap, mc_bist_cmd_reg) & F_START_BIST)
346 t4_write_reg(adap, mc_bist_cmd_addr_reg, addr & ~0x3fU);
347 t4_write_reg(adap, mc_bist_cmd_len_reg, 64);
348 t4_write_reg(adap, mc_bist_data_pattern_reg, 0xc);
349 t4_write_reg(adap, mc_bist_cmd_reg, V_BIST_OPCODE(1) |
350 F_START_BIST | V_BIST_CMD_GAP(1));
351 i = t4_wait_op_done(adap, mc_bist_cmd_reg, F_START_BIST, 0, 10, 1);
355 #define MC_DATA(i) MC_BIST_STATUS_REG(mc_bist_status_rdata_reg, i)
357 for (i = 15; i >= 0; i--)
358 *data++ = ntohl(t4_read_reg(adap, MC_DATA(i)));
360 *ecc = t4_read_reg64(adap, MC_DATA(16));
366 * t4_edc_read - read from EDC through backdoor accesses
368 * @idx: which EDC to access
369 * @addr: address of first byte requested
370 * @data: 64 bytes of data containing the requested address
371 * @ecc: where to store the corresponding 64-bit ECC word
373 * Read 64 bytes of data from EDC starting at a 64-byte-aligned address
374 * that covers the requested address @addr. If @parity is not %NULL it
375 * is assigned the 64-bit ECC word for the read data.
377 int t4_edc_read(struct adapter *adap, int idx, u32 addr, __be32 *data, u64 *ecc)
380 u32 edc_bist_cmd_reg, edc_bist_cmd_addr_reg, edc_bist_cmd_len_reg;
381 u32 edc_bist_cmd_data_pattern, edc_bist_status_rdata_reg;
384 edc_bist_cmd_reg = EDC_REG(A_EDC_BIST_CMD, idx);
385 edc_bist_cmd_addr_reg = EDC_REG(A_EDC_BIST_CMD_ADDR, idx);
386 edc_bist_cmd_len_reg = EDC_REG(A_EDC_BIST_CMD_LEN, idx);
387 edc_bist_cmd_data_pattern = EDC_REG(A_EDC_BIST_DATA_PATTERN,
389 edc_bist_status_rdata_reg = EDC_REG(A_EDC_BIST_STATUS_RDATA,
393 * These macro are missing in t4_regs.h file.
394 * Added temporarily for testing.
396 #define EDC_STRIDE_T5 (EDC_T51_BASE_ADDR - EDC_T50_BASE_ADDR)
397 #define EDC_REG_T5(reg, idx) (reg + EDC_STRIDE_T5 * idx)
398 edc_bist_cmd_reg = EDC_REG_T5(A_EDC_H_BIST_CMD, idx);
399 edc_bist_cmd_addr_reg = EDC_REG_T5(A_EDC_H_BIST_CMD_ADDR, idx);
400 edc_bist_cmd_len_reg = EDC_REG_T5(A_EDC_H_BIST_CMD_LEN, idx);
401 edc_bist_cmd_data_pattern = EDC_REG_T5(A_EDC_H_BIST_DATA_PATTERN,
403 edc_bist_status_rdata_reg = EDC_REG_T5(A_EDC_H_BIST_STATUS_RDATA,
409 if (t4_read_reg(adap, edc_bist_cmd_reg) & F_START_BIST)
411 t4_write_reg(adap, edc_bist_cmd_addr_reg, addr & ~0x3fU);
412 t4_write_reg(adap, edc_bist_cmd_len_reg, 64);
413 t4_write_reg(adap, edc_bist_cmd_data_pattern, 0xc);
414 t4_write_reg(adap, edc_bist_cmd_reg,
415 V_BIST_OPCODE(1) | V_BIST_CMD_GAP(1) | F_START_BIST);
416 i = t4_wait_op_done(adap, edc_bist_cmd_reg, F_START_BIST, 0, 10, 1);
420 #define EDC_DATA(i) EDC_BIST_STATUS_REG(edc_bist_status_rdata_reg, i)
422 for (i = 15; i >= 0; i--)
423 *data++ = ntohl(t4_read_reg(adap, EDC_DATA(i)));
425 *ecc = t4_read_reg64(adap, EDC_DATA(16));
431 * t4_mem_read - read EDC 0, EDC 1 or MC into buffer
433 * @mtype: memory type: MEM_EDC0, MEM_EDC1 or MEM_MC
434 * @addr: address within indicated memory type
435 * @len: amount of memory to read
436 * @buf: host memory buffer
438 * Reads an [almost] arbitrary memory region in the firmware: the
439 * firmware memory address, length and host buffer must be aligned on
440 * 32-bit boudaries. The memory is returned as a raw byte sequence from
441 * the firmware's memory. If this memory contains data structures which
442 * contain multi-byte integers, it's the callers responsibility to
443 * perform appropriate byte order conversions.
445 int t4_mem_read(struct adapter *adap, int mtype, u32 addr, u32 len,
448 u32 pos, start, end, offset;
452 * Argument sanity checks ...
454 if ((addr & 0x3) || (len & 0x3))
458 * The underlaying EDC/MC read routines read 64 bytes at a time so we
459 * need to round down the start and round up the end. We'll start
460 * copying out of the first line at (addr - start) a word at a time.
462 start = addr & ~(64-1);
463 end = (addr + len + 64-1) & ~(64-1);
464 offset = (addr - start)/sizeof(__be32);
466 for (pos = start; pos < end; pos += 64, offset = 0) {
470 * Read the chip's memory block and bail if there's an error.
472 if ((mtype == MEM_MC) || (mtype == MEM_MC1))
473 ret = t4_mc_read(adap, mtype - MEM_MC, pos, data, NULL);
475 ret = t4_edc_read(adap, mtype, pos, data, NULL);
480 * Copy the data into the caller's memory buffer.
482 while (offset < 16 && len > 0) {
483 *buf++ = data[offset++];
484 len -= sizeof(__be32);
492 * Partial EEPROM Vital Product Data structure. Includes only the ID and
504 * EEPROM reads take a few tens of us while writes can take a bit over 5 ms.
506 #define EEPROM_MAX_RD_POLL 40
507 #define EEPROM_MAX_WR_POLL 6
508 #define EEPROM_STAT_ADDR 0x7bfc
509 #define VPD_BASE 0x400
510 #define VPD_BASE_OLD 0
512 #define VPD_INFO_FLD_HDR_SIZE 3
513 #define CHELSIO_VPD_UNIQUE_ID 0x82
516 * t4_seeprom_read - read a serial EEPROM location
517 * @adapter: adapter to read
518 * @addr: EEPROM virtual address
519 * @data: where to store the read data
521 * Read a 32-bit word from a location in serial EEPROM using the card's PCI
522 * VPD capability. Note that this function must be called with a virtual
525 int t4_seeprom_read(struct adapter *adapter, u32 addr, u32 *data)
528 int attempts = EEPROM_MAX_RD_POLL;
529 unsigned int base = adapter->params.pci.vpd_cap_addr;
531 if (addr >= EEPROMVSIZE || (addr & 3))
534 t4_os_pci_write_cfg2(adapter, base + PCI_VPD_ADDR, (u16)addr);
537 t4_os_pci_read_cfg2(adapter, base + PCI_VPD_ADDR, &val);
538 } while (!(val & PCI_VPD_ADDR_F) && --attempts);
540 if (!(val & PCI_VPD_ADDR_F)) {
541 CH_ERR(adapter, "reading EEPROM address 0x%x failed\n", addr);
544 t4_os_pci_read_cfg4(adapter, base + PCI_VPD_DATA, data);
545 *data = le32_to_cpu(*data);
550 * t4_seeprom_write - write a serial EEPROM location
551 * @adapter: adapter to write
552 * @addr: virtual EEPROM address
553 * @data: value to write
555 * Write a 32-bit word to a location in serial EEPROM using the card's PCI
556 * VPD capability. Note that this function must be called with a virtual
559 int t4_seeprom_write(struct adapter *adapter, u32 addr, u32 data)
562 int attempts = EEPROM_MAX_WR_POLL;
563 unsigned int base = adapter->params.pci.vpd_cap_addr;
565 if (addr >= EEPROMVSIZE || (addr & 3))
568 t4_os_pci_write_cfg4(adapter, base + PCI_VPD_DATA,
570 t4_os_pci_write_cfg2(adapter, base + PCI_VPD_ADDR,
571 (u16)addr | PCI_VPD_ADDR_F);
574 t4_os_pci_read_cfg2(adapter, base + PCI_VPD_ADDR, &val);
575 } while ((val & PCI_VPD_ADDR_F) && --attempts);
577 if (val & PCI_VPD_ADDR_F) {
578 CH_ERR(adapter, "write to EEPROM address 0x%x failed\n", addr);
585 * t4_eeprom_ptov - translate a physical EEPROM address to virtual
586 * @phys_addr: the physical EEPROM address
587 * @fn: the PCI function number
588 * @sz: size of function-specific area
590 * Translate a physical EEPROM address to virtual. The first 1K is
591 * accessed through virtual addresses starting at 31K, the rest is
592 * accessed through virtual addresses starting at 0.
594 * The mapping is as follows:
595 * [0..1K) -> [31K..32K)
596 * [1K..1K+A) -> [ES-A..ES)
597 * [1K+A..ES) -> [0..ES-A-1K)
599 * where A = @fn * @sz, and ES = EEPROM size.
601 int t4_eeprom_ptov(unsigned int phys_addr, unsigned int fn, unsigned int sz)
604 if (phys_addr < 1024)
605 return phys_addr + (31 << 10);
606 if (phys_addr < 1024 + fn)
607 return EEPROMSIZE - fn + phys_addr - 1024;
608 if (phys_addr < EEPROMSIZE)
609 return phys_addr - 1024 - fn;
614 * t4_seeprom_wp - enable/disable EEPROM write protection
615 * @adapter: the adapter
616 * @enable: whether to enable or disable write protection
618 * Enables or disables write protection on the serial EEPROM.
620 int t4_seeprom_wp(struct adapter *adapter, int enable)
622 return t4_seeprom_write(adapter, EEPROM_STAT_ADDR, enable ? 0xc : 0);
626 * get_vpd_keyword_val - Locates an information field keyword in the VPD
627 * @v: Pointer to buffered vpd data structure
628 * @kw: The keyword to search for
630 * Returns the value of the information field keyword or
633 static int get_vpd_keyword_val(const struct t4_vpd_hdr *v, const char *kw)
636 unsigned int offset , len;
637 const u8 *buf = &v->id_tag;
638 const u8 *vpdr_len = &v->vpdr_tag;
639 offset = sizeof(struct t4_vpd_hdr);
640 len = (u16)vpdr_len[1] + ((u16)vpdr_len[2] << 8);
642 if (len + sizeof(struct t4_vpd_hdr) > VPD_LEN) {
646 for (i = offset; i + VPD_INFO_FLD_HDR_SIZE <= offset + len;) {
647 if(memcmp(buf + i , kw , 2) == 0){
648 i += VPD_INFO_FLD_HDR_SIZE;
652 i += VPD_INFO_FLD_HDR_SIZE + buf[i+2];
660 * get_vpd_params - read VPD parameters from VPD EEPROM
661 * @adapter: adapter to read
662 * @p: where to store the parameters
664 * Reads card parameters stored in VPD EEPROM.
666 static int get_vpd_params(struct adapter *adapter, struct vpd_params *p)
670 u8 vpd[VPD_LEN], csum;
671 const struct t4_vpd_hdr *v;
674 * Card information normally starts at VPD_BASE but early cards had
677 ret = t4_seeprom_read(adapter, VPD_BASE, (u32 *)(vpd));
678 addr = *vpd == CHELSIO_VPD_UNIQUE_ID ? VPD_BASE : VPD_BASE_OLD;
680 for (i = 0; i < sizeof(vpd); i += 4) {
681 ret = t4_seeprom_read(adapter, addr + i, (u32 *)(vpd + i));
685 v = (const struct t4_vpd_hdr *)vpd;
687 #define FIND_VPD_KW(var,name) do { \
688 var = get_vpd_keyword_val(v , name); \
690 CH_ERR(adapter, "missing VPD keyword " name "\n"); \
695 FIND_VPD_KW(i, "RV");
696 for (csum = 0; i >= 0; i--)
700 CH_ERR(adapter, "corrupted VPD EEPROM, actual csum %u\n", csum);
703 FIND_VPD_KW(ec, "EC");
704 FIND_VPD_KW(sn, "SN");
705 FIND_VPD_KW(pn, "PN");
706 FIND_VPD_KW(na, "NA");
709 memcpy(p->id, v->id_data, ID_LEN);
711 memcpy(p->ec, vpd + ec, EC_LEN);
713 i = vpd[sn - VPD_INFO_FLD_HDR_SIZE + 2];
714 memcpy(p->sn, vpd + sn, min(i, SERNUM_LEN));
716 i = vpd[pn - VPD_INFO_FLD_HDR_SIZE + 2];
717 memcpy(p->pn, vpd + pn, min(i, PN_LEN));
718 strstrip((char *)p->pn);
719 i = vpd[na - VPD_INFO_FLD_HDR_SIZE + 2];
720 memcpy(p->na, vpd + na, min(i, MACADDR_LEN));
721 strstrip((char *)p->na);
726 /* serial flash and firmware constants and flash config file constants */
728 SF_ATTEMPTS = 10, /* max retries for SF operations */
730 /* flash command opcodes */
731 SF_PROG_PAGE = 2, /* program page */
732 SF_WR_DISABLE = 4, /* disable writes */
733 SF_RD_STATUS = 5, /* read status register */
734 SF_WR_ENABLE = 6, /* enable writes */
735 SF_RD_DATA_FAST = 0xb, /* read flash */
736 SF_RD_ID = 0x9f, /* read ID */
737 SF_ERASE_SECTOR = 0xd8, /* erase sector */
741 * sf1_read - read data from the serial flash
742 * @adapter: the adapter
743 * @byte_cnt: number of bytes to read
744 * @cont: whether another operation will be chained
745 * @lock: whether to lock SF for PL access only
746 * @valp: where to store the read data
748 * Reads up to 4 bytes of data from the serial flash. The location of
749 * the read needs to be specified prior to calling this by issuing the
750 * appropriate commands to the serial flash.
752 static int sf1_read(struct adapter *adapter, unsigned int byte_cnt, int cont,
757 if (!byte_cnt || byte_cnt > 4)
759 if (t4_read_reg(adapter, A_SF_OP) & F_BUSY)
761 t4_write_reg(adapter, A_SF_OP,
762 V_SF_LOCK(lock) | V_CONT(cont) | V_BYTECNT(byte_cnt - 1));
763 ret = t4_wait_op_done(adapter, A_SF_OP, F_BUSY, 0, SF_ATTEMPTS, 5);
765 *valp = t4_read_reg(adapter, A_SF_DATA);
770 * sf1_write - write data to the serial flash
771 * @adapter: the adapter
772 * @byte_cnt: number of bytes to write
773 * @cont: whether another operation will be chained
774 * @lock: whether to lock SF for PL access only
775 * @val: value to write
777 * Writes up to 4 bytes of data to the serial flash. The location of
778 * the write needs to be specified prior to calling this by issuing the
779 * appropriate commands to the serial flash.
781 static int sf1_write(struct adapter *adapter, unsigned int byte_cnt, int cont,
784 if (!byte_cnt || byte_cnt > 4)
786 if (t4_read_reg(adapter, A_SF_OP) & F_BUSY)
788 t4_write_reg(adapter, A_SF_DATA, val);
789 t4_write_reg(adapter, A_SF_OP, V_SF_LOCK(lock) |
790 V_CONT(cont) | V_BYTECNT(byte_cnt - 1) | V_OP(1));
791 return t4_wait_op_done(adapter, A_SF_OP, F_BUSY, 0, SF_ATTEMPTS, 5);
795 * flash_wait_op - wait for a flash operation to complete
796 * @adapter: the adapter
797 * @attempts: max number of polls of the status register
798 * @delay: delay between polls in ms
800 * Wait for a flash operation to complete by polling the status register.
802 static int flash_wait_op(struct adapter *adapter, int attempts, int delay)
808 if ((ret = sf1_write(adapter, 1, 1, 1, SF_RD_STATUS)) != 0 ||
809 (ret = sf1_read(adapter, 1, 0, 1, &status)) != 0)
821 * t4_read_flash - read words from serial flash
822 * @adapter: the adapter
823 * @addr: the start address for the read
824 * @nwords: how many 32-bit words to read
825 * @data: where to store the read data
826 * @byte_oriented: whether to store data as bytes or as words
828 * Read the specified number of 32-bit words from the serial flash.
829 * If @byte_oriented is set the read data is stored as a byte array
830 * (i.e., big-endian), otherwise as 32-bit words in the platform's
833 int t4_read_flash(struct adapter *adapter, unsigned int addr,
834 unsigned int nwords, u32 *data, int byte_oriented)
838 if (addr + nwords * sizeof(u32) > adapter->params.sf_size || (addr & 3))
841 addr = swab32(addr) | SF_RD_DATA_FAST;
843 if ((ret = sf1_write(adapter, 4, 1, 0, addr)) != 0 ||
844 (ret = sf1_read(adapter, 1, 1, 0, data)) != 0)
847 for ( ; nwords; nwords--, data++) {
848 ret = sf1_read(adapter, 4, nwords > 1, nwords == 1, data);
850 t4_write_reg(adapter, A_SF_OP, 0); /* unlock SF */
854 *data = htonl(*data);
860 * t4_write_flash - write up to a page of data to the serial flash
861 * @adapter: the adapter
862 * @addr: the start address to write
863 * @n: length of data to write in bytes
864 * @data: the data to write
865 * @byte_oriented: whether to store data as bytes or as words
867 * Writes up to a page of data (256 bytes) to the serial flash starting
868 * at the given address. All the data must be written to the same page.
869 * If @byte_oriented is set the write data is stored as byte stream
870 * (i.e. matches what on disk), otherwise in big-endian.
872 static int t4_write_flash(struct adapter *adapter, unsigned int addr,
873 unsigned int n, const u8 *data, int byte_oriented)
876 u32 buf[SF_PAGE_SIZE / 4];
877 unsigned int i, c, left, val, offset = addr & 0xff;
879 if (addr >= adapter->params.sf_size || offset + n > SF_PAGE_SIZE)
882 val = swab32(addr) | SF_PROG_PAGE;
884 if ((ret = sf1_write(adapter, 1, 0, 1, SF_WR_ENABLE)) != 0 ||
885 (ret = sf1_write(adapter, 4, 1, 1, val)) != 0)
888 for (left = n; left; left -= c) {
890 for (val = 0, i = 0; i < c; ++i)
891 val = (val << 8) + *data++;
896 ret = sf1_write(adapter, c, c != left, 1, val);
900 ret = flash_wait_op(adapter, 8, 1);
904 t4_write_reg(adapter, A_SF_OP, 0); /* unlock SF */
906 /* Read the page to verify the write succeeded */
907 ret = t4_read_flash(adapter, addr & ~0xff, ARRAY_SIZE(buf), buf,
912 if (memcmp(data - n, (u8 *)buf + offset, n)) {
913 CH_ERR(adapter, "failed to correctly write the flash page "
920 t4_write_reg(adapter, A_SF_OP, 0); /* unlock SF */
925 * t4_get_fw_version - read the firmware version
926 * @adapter: the adapter
927 * @vers: where to place the version
929 * Reads the FW version from flash.
931 int t4_get_fw_version(struct adapter *adapter, u32 *vers)
933 return t4_read_flash(adapter,
934 FLASH_FW_START + offsetof(struct fw_hdr, fw_ver), 1,
939 * t4_get_tp_version - read the TP microcode version
940 * @adapter: the adapter
941 * @vers: where to place the version
943 * Reads the TP microcode version from flash.
945 int t4_get_tp_version(struct adapter *adapter, u32 *vers)
947 return t4_read_flash(adapter, FLASH_FW_START + offsetof(struct fw_hdr,
953 * t4_check_fw_version - check if the FW is compatible with this driver
954 * @adapter: the adapter
956 * Checks if an adapter's FW is compatible with the driver. Returns 0
957 * if there's exact match, a negative error if the version could not be
958 * read or there's a major version mismatch, and a positive value if the
959 * expected major version is found but there's a minor version mismatch.
961 int t4_check_fw_version(struct adapter *adapter)
963 int ret, major, minor, micro;
964 int exp_major, exp_minor, exp_micro;
966 ret = t4_get_fw_version(adapter, &adapter->params.fw_vers);
968 ret = t4_get_tp_version(adapter, &adapter->params.tp_vers);
972 major = G_FW_HDR_FW_VER_MAJOR(adapter->params.fw_vers);
973 minor = G_FW_HDR_FW_VER_MINOR(adapter->params.fw_vers);
974 micro = G_FW_HDR_FW_VER_MICRO(adapter->params.fw_vers);
976 switch (chip_id(adapter)) {
978 exp_major = T4FW_VERSION_MAJOR;
979 exp_minor = T4FW_VERSION_MINOR;
980 exp_micro = T4FW_VERSION_MICRO;
983 exp_major = T5FW_VERSION_MAJOR;
984 exp_minor = T5FW_VERSION_MINOR;
985 exp_micro = T5FW_VERSION_MICRO;
988 CH_ERR(adapter, "Unsupported chip type, %x\n",
993 if (major != exp_major) { /* major mismatch - fail */
994 CH_ERR(adapter, "card FW has major version %u, driver wants "
995 "%u\n", major, exp_major);
999 if (minor == exp_minor && micro == exp_micro)
1000 return 0; /* perfect match */
1002 /* Minor/micro version mismatch. Report it but often it's OK. */
1007 * t4_flash_erase_sectors - erase a range of flash sectors
1008 * @adapter: the adapter
1009 * @start: the first sector to erase
1010 * @end: the last sector to erase
1012 * Erases the sectors in the given inclusive range.
1014 static int t4_flash_erase_sectors(struct adapter *adapter, int start, int end)
1018 while (start <= end) {
1019 if ((ret = sf1_write(adapter, 1, 0, 1, SF_WR_ENABLE)) != 0 ||
1020 (ret = sf1_write(adapter, 4, 0, 1,
1021 SF_ERASE_SECTOR | (start << 8))) != 0 ||
1022 (ret = flash_wait_op(adapter, 14, 500)) != 0) {
1023 CH_ERR(adapter, "erase of flash sector %d failed, "
1024 "error %d\n", start, ret);
1029 t4_write_reg(adapter, A_SF_OP, 0); /* unlock SF */
1034 * t4_flash_cfg_addr - return the address of the flash configuration file
1035 * @adapter: the adapter
1037 * Return the address within the flash where the Firmware Configuration
1038 * File is stored, or an error if the device FLASH is too small to contain
1039 * a Firmware Configuration File.
1041 int t4_flash_cfg_addr(struct adapter *adapter)
1044 * If the device FLASH isn't large enough to hold a Firmware
1045 * Configuration File, return an error.
1047 if (adapter->params.sf_size < FLASH_CFG_START + FLASH_CFG_MAX_SIZE)
1050 return FLASH_CFG_START;
1054 * t4_load_cfg - download config file
1055 * @adap: the adapter
1056 * @cfg_data: the cfg text file to write
1057 * @size: text file size
1059 * Write the supplied config text file to the card's serial flash.
1061 int t4_load_cfg(struct adapter *adap, const u8 *cfg_data, unsigned int size)
1063 int ret, i, n, cfg_addr;
1065 unsigned int flash_cfg_start_sec;
1066 unsigned int sf_sec_size = adap->params.sf_size / adap->params.sf_nsec;
1068 cfg_addr = t4_flash_cfg_addr(adap);
1073 flash_cfg_start_sec = addr / SF_SEC_SIZE;
1075 if (size > FLASH_CFG_MAX_SIZE) {
1076 CH_ERR(adap, "cfg file too large, max is %u bytes\n",
1077 FLASH_CFG_MAX_SIZE);
1081 i = DIV_ROUND_UP(FLASH_CFG_MAX_SIZE, /* # of sectors spanned */
1083 ret = t4_flash_erase_sectors(adap, flash_cfg_start_sec,
1084 flash_cfg_start_sec + i - 1);
1086 * If size == 0 then we're simply erasing the FLASH sectors associated
1087 * with the on-adapter Firmware Configuration File.
1089 if (ret || size == 0)
1092 /* this will write to the flash up to SF_PAGE_SIZE at a time */
1093 for (i = 0; i< size; i+= SF_PAGE_SIZE) {
1094 if ( (size - i) < SF_PAGE_SIZE)
1098 ret = t4_write_flash(adap, addr, n, cfg_data, 1);
1102 addr += SF_PAGE_SIZE;
1103 cfg_data += SF_PAGE_SIZE;
1108 CH_ERR(adap, "config file %s failed %d\n",
1109 (size == 0 ? "clear" : "download"), ret);
1115 * t4_load_fw - download firmware
1116 * @adap: the adapter
1117 * @fw_data: the firmware image to write
1120 * Write the supplied firmware image to the card's serial flash.
1122 int t4_load_fw(struct adapter *adap, const u8 *fw_data, unsigned int size)
1127 u8 first_page[SF_PAGE_SIZE];
1128 const u32 *p = (const u32 *)fw_data;
1129 const struct fw_hdr *hdr = (const struct fw_hdr *)fw_data;
1130 unsigned int sf_sec_size = adap->params.sf_size / adap->params.sf_nsec;
1131 unsigned int fw_start_sec;
1132 unsigned int fw_start;
1133 unsigned int fw_size;
1135 if (ntohl(hdr->magic) == FW_HDR_MAGIC_BOOTSTRAP) {
1136 fw_start_sec = FLASH_FWBOOTSTRAP_START_SEC;
1137 fw_start = FLASH_FWBOOTSTRAP_START;
1138 fw_size = FLASH_FWBOOTSTRAP_MAX_SIZE;
1140 fw_start_sec = FLASH_FW_START_SEC;
1141 fw_start = FLASH_FW_START;
1142 fw_size = FLASH_FW_MAX_SIZE;
1145 CH_ERR(adap, "FW image has no data\n");
1149 CH_ERR(adap, "FW image size not multiple of 512 bytes\n");
1152 if (ntohs(hdr->len512) * 512 != size) {
1153 CH_ERR(adap, "FW image size differs from size in FW header\n");
1156 if (size > fw_size) {
1157 CH_ERR(adap, "FW image too large, max is %u bytes\n", fw_size);
1160 if ((is_t4(adap) && hdr->chip != FW_HDR_CHIP_T4) ||
1161 (is_t5(adap) && hdr->chip != FW_HDR_CHIP_T5)) {
1163 "FW image (%d) is not suitable for this adapter (%d)\n",
1164 hdr->chip, chip_id(adap));
1168 for (csum = 0, i = 0; i < size / sizeof(csum); i++)
1169 csum += ntohl(p[i]);
1171 if (csum != 0xffffffff) {
1172 CH_ERR(adap, "corrupted firmware image, checksum %#x\n",
1177 i = DIV_ROUND_UP(size, sf_sec_size); /* # of sectors spanned */
1178 ret = t4_flash_erase_sectors(adap, fw_start_sec, fw_start_sec + i - 1);
1183 * We write the correct version at the end so the driver can see a bad
1184 * version if the FW write fails. Start by writing a copy of the
1185 * first page with a bad version.
1187 memcpy(first_page, fw_data, SF_PAGE_SIZE);
1188 ((struct fw_hdr *)first_page)->fw_ver = htonl(0xffffffff);
1189 ret = t4_write_flash(adap, fw_start, SF_PAGE_SIZE, first_page, 1);
1194 for (size -= SF_PAGE_SIZE; size; size -= SF_PAGE_SIZE) {
1195 addr += SF_PAGE_SIZE;
1196 fw_data += SF_PAGE_SIZE;
1197 ret = t4_write_flash(adap, addr, SF_PAGE_SIZE, fw_data, 1);
1202 ret = t4_write_flash(adap,
1203 fw_start + offsetof(struct fw_hdr, fw_ver),
1204 sizeof(hdr->fw_ver), (const u8 *)&hdr->fw_ver, 1);
1207 CH_ERR(adap, "firmware download failed, error %d\n", ret);
1211 /* BIOS boot headers */
1212 typedef struct pci_expansion_rom_header {
1213 u8 signature[2]; /* ROM Signature. Should be 0xaa55 */
1214 u8 reserved[22]; /* Reserved per processor Architecture data */
1215 u8 pcir_offset[2]; /* Offset to PCI Data Structure */
1216 } pci_exp_rom_header_t; /* PCI_EXPANSION_ROM_HEADER */
1218 /* Legacy PCI Expansion ROM Header */
1219 typedef struct legacy_pci_expansion_rom_header {
1220 u8 signature[2]; /* ROM Signature. Should be 0xaa55 */
1221 u8 size512; /* Current Image Size in units of 512 bytes */
1222 u8 initentry_point[4];
1223 u8 cksum; /* Checksum computed on the entire Image */
1224 u8 reserved[16]; /* Reserved */
1225 u8 pcir_offset[2]; /* Offset to PCI Data Struture */
1226 } legacy_pci_exp_rom_header_t; /* LEGACY_PCI_EXPANSION_ROM_HEADER */
1228 /* EFI PCI Expansion ROM Header */
1229 typedef struct efi_pci_expansion_rom_header {
1230 u8 signature[2]; // ROM signature. The value 0xaa55
1231 u8 initialization_size[2]; /* Units 512. Includes this header */
1232 u8 efi_signature[4]; /* Signature from EFI image header. 0x0EF1 */
1233 u8 efi_subsystem[2]; /* Subsystem value for EFI image header */
1234 u8 efi_machine_type[2]; /* Machine type from EFI image header */
1235 u8 compression_type[2]; /* Compression type. */
1237 * Compression type definition
1240 * 0x2-0xFFFF: Reserved
1242 u8 reserved[8]; /* Reserved */
1243 u8 efi_image_header_offset[2]; /* Offset to EFI Image */
1244 u8 pcir_offset[2]; /* Offset to PCI Data Structure */
1245 } efi_pci_exp_rom_header_t; /* EFI PCI Expansion ROM Header */
1247 /* PCI Data Structure Format */
1248 typedef struct pcir_data_structure { /* PCI Data Structure */
1249 u8 signature[4]; /* Signature. The string "PCIR" */
1250 u8 vendor_id[2]; /* Vendor Identification */
1251 u8 device_id[2]; /* Device Identification */
1252 u8 vital_product[2]; /* Pointer to Vital Product Data */
1253 u8 length[2]; /* PCIR Data Structure Length */
1254 u8 revision; /* PCIR Data Structure Revision */
1255 u8 class_code[3]; /* Class Code */
1256 u8 image_length[2]; /* Image Length. Multiple of 512B */
1257 u8 code_revision[2]; /* Revision Level of Code/Data */
1258 u8 code_type; /* Code Type. */
1260 * PCI Expansion ROM Code Types
1261 * 0x00: Intel IA-32, PC-AT compatible. Legacy
1262 * 0x01: Open Firmware standard for PCI. FCODE
1263 * 0x02: Hewlett-Packard PA RISC. HP reserved
1264 * 0x03: EFI Image. EFI
1265 * 0x04-0xFF: Reserved.
1267 u8 indicator; /* Indicator. Identifies the last image in the ROM */
1268 u8 reserved[2]; /* Reserved */
1269 } pcir_data_t; /* PCI__DATA_STRUCTURE */
1271 /* BOOT constants */
1273 BOOT_FLASH_BOOT_ADDR = 0x0,/* start address of boot image in flash */
1274 BOOT_SIGNATURE = 0xaa55, /* signature of BIOS boot ROM */
1275 BOOT_SIZE_INC = 512, /* image size measured in 512B chunks */
1276 BOOT_MIN_SIZE = sizeof(pci_exp_rom_header_t), /* basic header */
1277 BOOT_MAX_SIZE = 1024*BOOT_SIZE_INC, /* 1 byte * length increment */
1278 VENDOR_ID = 0x1425, /* Vendor ID */
1279 PCIR_SIGNATURE = 0x52494350 /* PCIR signature */
1283 * modify_device_id - Modifies the device ID of the Boot BIOS image
1284 * @adatper: the device ID to write.
1285 * @boot_data: the boot image to modify.
1287 * Write the supplied device ID to the boot BIOS image.
1289 static void modify_device_id(int device_id, u8 *boot_data)
1291 legacy_pci_exp_rom_header_t *header;
1292 pcir_data_t *pcir_header;
1296 * Loop through all chained images and change the device ID's
1299 header = (legacy_pci_exp_rom_header_t *) &boot_data[cur_header];
1300 pcir_header = (pcir_data_t *) &boot_data[cur_header +
1301 le16_to_cpu(*(u16*)header->pcir_offset)];
1304 * Only modify the Device ID if code type is Legacy or HP.
1305 * 0x00: Okay to modify
1306 * 0x01: FCODE. Do not be modify
1307 * 0x03: Okay to modify
1308 * 0x04-0xFF: Do not modify
1310 if (pcir_header->code_type == 0x00) {
1315 * Modify Device ID to match current adatper
1317 *(u16*) pcir_header->device_id = device_id;
1320 * Set checksum temporarily to 0.
1321 * We will recalculate it later.
1323 header->cksum = 0x0;
1326 * Calculate and update checksum
1328 for (i = 0; i < (header->size512 * 512); i++)
1329 csum += (u8)boot_data[cur_header + i];
1332 * Invert summed value to create the checksum
1333 * Writing new checksum value directly to the boot data
1335 boot_data[cur_header + 7] = -csum;
1337 } else if (pcir_header->code_type == 0x03) {
1340 * Modify Device ID to match current adatper
1342 *(u16*) pcir_header->device_id = device_id;
1348 * Check indicator element to identify if this is the last
1351 if (pcir_header->indicator & 0x80)
1355 * Move header pointer up to the next image in the ROM.
1357 cur_header += header->size512 * 512;
1362 * t4_load_boot - download boot flash
1363 * @adapter: the adapter
1364 * @boot_data: the boot image to write
1365 * @boot_addr: offset in flash to write boot_data
1368 * Write the supplied boot image to the card's serial flash.
1369 * The boot image has the following sections: a 28-byte header and the
1372 int t4_load_boot(struct adapter *adap, u8 *boot_data,
1373 unsigned int boot_addr, unsigned int size)
1375 pci_exp_rom_header_t *header;
1377 pcir_data_t *pcir_header;
1381 unsigned int boot_sector = boot_addr * 1024;
1382 unsigned int sf_sec_size = adap->params.sf_size / adap->params.sf_nsec;
1385 * Make sure the boot image does not encroach on the firmware region
1387 if ((boot_sector + size) >> 16 > FLASH_FW_START_SEC) {
1388 CH_ERR(adap, "boot image encroaching on firmware region\n");
1393 * Number of sectors spanned
1395 i = DIV_ROUND_UP(size ? size : FLASH_BOOTCFG_MAX_SIZE,
1397 ret = t4_flash_erase_sectors(adap, boot_sector >> 16,
1398 (boot_sector >> 16) + i - 1);
1401 * If size == 0 then we're simply erasing the FLASH sectors associated
1402 * with the on-adapter option ROM file
1404 if (ret || (size == 0))
1407 /* Get boot header */
1408 header = (pci_exp_rom_header_t *)boot_data;
1409 pcir_offset = le16_to_cpu(*(u16 *)header->pcir_offset);
1410 /* PCIR Data Structure */
1411 pcir_header = (pcir_data_t *) &boot_data[pcir_offset];
1414 * Perform some primitive sanity testing to avoid accidentally
1415 * writing garbage over the boot sectors. We ought to check for
1416 * more but it's not worth it for now ...
1418 if (size < BOOT_MIN_SIZE || size > BOOT_MAX_SIZE) {
1419 CH_ERR(adap, "boot image too small/large\n");
1424 * Check BOOT ROM header signature
1426 if (le16_to_cpu(*(u16*)header->signature) != BOOT_SIGNATURE ) {
1427 CH_ERR(adap, "Boot image missing signature\n");
1432 * Check PCI header signature
1434 if (le32_to_cpu(*(u32*)pcir_header->signature) != PCIR_SIGNATURE) {
1435 CH_ERR(adap, "PCI header missing signature\n");
1440 * Check Vendor ID matches Chelsio ID
1442 if (le16_to_cpu(*(u16*)pcir_header->vendor_id) != VENDOR_ID) {
1443 CH_ERR(adap, "Vendor ID missing signature\n");
1448 * Retrieve adapter's device ID
1450 t4_os_pci_read_cfg2(adap, PCI_DEVICE_ID, &device_id);
1451 /* Want to deal with PF 0 so I strip off PF 4 indicator */
1452 device_id = (device_id & 0xff) | 0x4000;
1455 * Check PCIE Device ID
1457 if (le16_to_cpu(*(u16*)pcir_header->device_id) != device_id) {
1459 * Change the device ID in the Boot BIOS image to match
1460 * the Device ID of the current adapter.
1462 modify_device_id(device_id, boot_data);
1466 * Skip over the first SF_PAGE_SIZE worth of data and write it after
1467 * we finish copying the rest of the boot image. This will ensure
1468 * that the BIOS boot header will only be written if the boot image
1469 * was written in full.
1472 for (size -= SF_PAGE_SIZE; size; size -= SF_PAGE_SIZE) {
1473 addr += SF_PAGE_SIZE;
1474 boot_data += SF_PAGE_SIZE;
1475 ret = t4_write_flash(adap, addr, SF_PAGE_SIZE, boot_data, 0);
1480 ret = t4_write_flash(adap, boot_sector, SF_PAGE_SIZE, boot_data, 0);
1484 CH_ERR(adap, "boot image download failed, error %d\n", ret);
1489 * t4_read_cimq_cfg - read CIM queue configuration
1490 * @adap: the adapter
1491 * @base: holds the queue base addresses in bytes
1492 * @size: holds the queue sizes in bytes
1493 * @thres: holds the queue full thresholds in bytes
1495 * Returns the current configuration of the CIM queues, starting with
1496 * the IBQs, then the OBQs.
1498 void t4_read_cimq_cfg(struct adapter *adap, u16 *base, u16 *size, u16 *thres)
1501 int cim_num_obq = is_t4(adap) ? CIM_NUM_OBQ : CIM_NUM_OBQ_T5;
1503 for (i = 0; i < CIM_NUM_IBQ; i++) {
1504 t4_write_reg(adap, A_CIM_QUEUE_CONFIG_REF, F_IBQSELECT |
1506 v = t4_read_reg(adap, A_CIM_QUEUE_CONFIG_CTRL);
1507 *base++ = G_CIMQBASE(v) * 256; /* value is in 256-byte units */
1508 *size++ = G_CIMQSIZE(v) * 256; /* value is in 256-byte units */
1509 *thres++ = G_QUEFULLTHRSH(v) * 8; /* 8-byte unit */
1511 for (i = 0; i < cim_num_obq; i++) {
1512 t4_write_reg(adap, A_CIM_QUEUE_CONFIG_REF, F_OBQSELECT |
1514 v = t4_read_reg(adap, A_CIM_QUEUE_CONFIG_CTRL);
1515 *base++ = G_CIMQBASE(v) * 256; /* value is in 256-byte units */
1516 *size++ = G_CIMQSIZE(v) * 256; /* value is in 256-byte units */
1521 * t4_read_cim_ibq - read the contents of a CIM inbound queue
1522 * @adap: the adapter
1523 * @qid: the queue index
1524 * @data: where to store the queue contents
1525 * @n: capacity of @data in 32-bit words
1527 * Reads the contents of the selected CIM queue starting at address 0 up
1528 * to the capacity of @data. @n must be a multiple of 4. Returns < 0 on
1529 * error and the number of 32-bit words actually read on success.
1531 int t4_read_cim_ibq(struct adapter *adap, unsigned int qid, u32 *data, size_t n)
1535 const unsigned int nwords = CIM_IBQ_SIZE * 4;
1537 if (qid > 5 || (n & 3))
1540 addr = qid * nwords;
1544 for (i = 0; i < n; i++, addr++) {
1545 t4_write_reg(adap, A_CIM_IBQ_DBG_CFG, V_IBQDBGADDR(addr) |
1548 * It might take 3-10ms before the IBQ debug read access is
1549 * allowed. Wait for 1 Sec with a delay of 1 usec.
1551 err = t4_wait_op_done(adap, A_CIM_IBQ_DBG_CFG, F_IBQDBGBUSY, 0,
1555 *data++ = t4_read_reg(adap, A_CIM_IBQ_DBG_DATA);
1557 t4_write_reg(adap, A_CIM_IBQ_DBG_CFG, 0);
1562 * t4_read_cim_obq - read the contents of a CIM outbound queue
1563 * @adap: the adapter
1564 * @qid: the queue index
1565 * @data: where to store the queue contents
1566 * @n: capacity of @data in 32-bit words
1568 * Reads the contents of the selected CIM queue starting at address 0 up
1569 * to the capacity of @data. @n must be a multiple of 4. Returns < 0 on
1570 * error and the number of 32-bit words actually read on success.
1572 int t4_read_cim_obq(struct adapter *adap, unsigned int qid, u32 *data, size_t n)
1575 unsigned int addr, v, nwords;
1576 int cim_num_obq = is_t4(adap) ? CIM_NUM_OBQ : CIM_NUM_OBQ_T5;
1578 if (qid >= cim_num_obq || (n & 3))
1581 t4_write_reg(adap, A_CIM_QUEUE_CONFIG_REF, F_OBQSELECT |
1582 V_QUENUMSELECT(qid));
1583 v = t4_read_reg(adap, A_CIM_QUEUE_CONFIG_CTRL);
1585 addr = G_CIMQBASE(v) * 64; /* muliple of 256 -> muliple of 4 */
1586 nwords = G_CIMQSIZE(v) * 64; /* same */
1590 for (i = 0; i < n; i++, addr++) {
1591 t4_write_reg(adap, A_CIM_OBQ_DBG_CFG, V_OBQDBGADDR(addr) |
1593 err = t4_wait_op_done(adap, A_CIM_OBQ_DBG_CFG, F_OBQDBGBUSY, 0,
1597 *data++ = t4_read_reg(adap, A_CIM_OBQ_DBG_DATA);
1599 t4_write_reg(adap, A_CIM_OBQ_DBG_CFG, 0);
1605 CIM_CTL_BASE = 0x2000,
1606 CIM_PBT_ADDR_BASE = 0x2800,
1607 CIM_PBT_LRF_BASE = 0x3000,
1608 CIM_PBT_DATA_BASE = 0x3800
1612 * t4_cim_read - read a block from CIM internal address space
1613 * @adap: the adapter
1614 * @addr: the start address within the CIM address space
1615 * @n: number of words to read
1616 * @valp: where to store the result
1618 * Reads a block of 4-byte words from the CIM intenal address space.
1620 int t4_cim_read(struct adapter *adap, unsigned int addr, unsigned int n,
1625 if (t4_read_reg(adap, A_CIM_HOST_ACC_CTRL) & F_HOSTBUSY)
1628 for ( ; !ret && n--; addr += 4) {
1629 t4_write_reg(adap, A_CIM_HOST_ACC_CTRL, addr);
1630 ret = t4_wait_op_done(adap, A_CIM_HOST_ACC_CTRL, F_HOSTBUSY,
1633 *valp++ = t4_read_reg(adap, A_CIM_HOST_ACC_DATA);
1639 * t4_cim_write - write a block into CIM internal address space
1640 * @adap: the adapter
1641 * @addr: the start address within the CIM address space
1642 * @n: number of words to write
1643 * @valp: set of values to write
1645 * Writes a block of 4-byte words into the CIM intenal address space.
1647 int t4_cim_write(struct adapter *adap, unsigned int addr, unsigned int n,
1648 const unsigned int *valp)
1652 if (t4_read_reg(adap, A_CIM_HOST_ACC_CTRL) & F_HOSTBUSY)
1655 for ( ; !ret && n--; addr += 4) {
1656 t4_write_reg(adap, A_CIM_HOST_ACC_DATA, *valp++);
1657 t4_write_reg(adap, A_CIM_HOST_ACC_CTRL, addr | F_HOSTWRITE);
1658 ret = t4_wait_op_done(adap, A_CIM_HOST_ACC_CTRL, F_HOSTBUSY,
1664 static int t4_cim_write1(struct adapter *adap, unsigned int addr, unsigned int val)
1666 return t4_cim_write(adap, addr, 1, &val);
1670 * t4_cim_ctl_read - read a block from CIM control region
1671 * @adap: the adapter
1672 * @addr: the start address within the CIM control region
1673 * @n: number of words to read
1674 * @valp: where to store the result
1676 * Reads a block of 4-byte words from the CIM control region.
1678 int t4_cim_ctl_read(struct adapter *adap, unsigned int addr, unsigned int n,
1681 return t4_cim_read(adap, addr + CIM_CTL_BASE, n, valp);
1685 * t4_cim_read_la - read CIM LA capture buffer
1686 * @adap: the adapter
1687 * @la_buf: where to store the LA data
1688 * @wrptr: the HW write pointer within the capture buffer
1690 * Reads the contents of the CIM LA buffer with the most recent entry at
1691 * the end of the returned data and with the entry at @wrptr first.
1692 * We try to leave the LA in the running state we find it in.
1694 int t4_cim_read_la(struct adapter *adap, u32 *la_buf, unsigned int *wrptr)
1697 unsigned int cfg, val, idx;
1699 ret = t4_cim_read(adap, A_UP_UP_DBG_LA_CFG, 1, &cfg);
1703 if (cfg & F_UPDBGLAEN) { /* LA is running, freeze it */
1704 ret = t4_cim_write1(adap, A_UP_UP_DBG_LA_CFG, 0);
1709 ret = t4_cim_read(adap, A_UP_UP_DBG_LA_CFG, 1, &val);
1713 idx = G_UPDBGLAWRPTR(val);
1717 for (i = 0; i < adap->params.cim_la_size; i++) {
1718 ret = t4_cim_write1(adap, A_UP_UP_DBG_LA_CFG,
1719 V_UPDBGLARDPTR(idx) | F_UPDBGLARDEN);
1722 ret = t4_cim_read(adap, A_UP_UP_DBG_LA_CFG, 1, &val);
1725 if (val & F_UPDBGLARDEN) {
1729 ret = t4_cim_read(adap, A_UP_UP_DBG_LA_DATA, 1, &la_buf[i]);
1732 idx = (idx + 1) & M_UPDBGLARDPTR;
1735 if (cfg & F_UPDBGLAEN) {
1736 int r = t4_cim_write1(adap, A_UP_UP_DBG_LA_CFG,
1737 cfg & ~F_UPDBGLARDEN);
1744 void t4_cim_read_pif_la(struct adapter *adap, u32 *pif_req, u32 *pif_rsp,
1745 unsigned int *pif_req_wrptr,
1746 unsigned int *pif_rsp_wrptr)
1749 u32 cfg, val, req, rsp;
1751 cfg = t4_read_reg(adap, A_CIM_DEBUGCFG);
1752 if (cfg & F_LADBGEN)
1753 t4_write_reg(adap, A_CIM_DEBUGCFG, cfg ^ F_LADBGEN);
1755 val = t4_read_reg(adap, A_CIM_DEBUGSTS);
1756 req = G_POLADBGWRPTR(val);
1757 rsp = G_PILADBGWRPTR(val);
1759 *pif_req_wrptr = req;
1761 *pif_rsp_wrptr = rsp;
1763 for (i = 0; i < CIM_PIFLA_SIZE; i++) {
1764 for (j = 0; j < 6; j++) {
1765 t4_write_reg(adap, A_CIM_DEBUGCFG, V_POLADBGRDPTR(req) |
1766 V_PILADBGRDPTR(rsp));
1767 *pif_req++ = t4_read_reg(adap, A_CIM_PO_LA_DEBUGDATA);
1768 *pif_rsp++ = t4_read_reg(adap, A_CIM_PI_LA_DEBUGDATA);
1772 req = (req + 2) & M_POLADBGRDPTR;
1773 rsp = (rsp + 2) & M_PILADBGRDPTR;
1775 t4_write_reg(adap, A_CIM_DEBUGCFG, cfg);
1778 void t4_cim_read_ma_la(struct adapter *adap, u32 *ma_req, u32 *ma_rsp)
1783 cfg = t4_read_reg(adap, A_CIM_DEBUGCFG);
1784 if (cfg & F_LADBGEN)
1785 t4_write_reg(adap, A_CIM_DEBUGCFG, cfg ^ F_LADBGEN);
1787 for (i = 0; i < CIM_MALA_SIZE; i++) {
1788 for (j = 0; j < 5; j++) {
1790 t4_write_reg(adap, A_CIM_DEBUGCFG, V_POLADBGRDPTR(idx) |
1791 V_PILADBGRDPTR(idx));
1792 *ma_req++ = t4_read_reg(adap, A_CIM_PO_LA_MADEBUGDATA);
1793 *ma_rsp++ = t4_read_reg(adap, A_CIM_PI_LA_MADEBUGDATA);
1796 t4_write_reg(adap, A_CIM_DEBUGCFG, cfg);
1800 * t4_tp_read_la - read TP LA capture buffer
1801 * @adap: the adapter
1802 * @la_buf: where to store the LA data
1803 * @wrptr: the HW write pointer within the capture buffer
1805 * Reads the contents of the TP LA buffer with the most recent entry at
1806 * the end of the returned data and with the entry at @wrptr first.
1807 * We leave the LA in the running state we find it in.
1809 void t4_tp_read_la(struct adapter *adap, u64 *la_buf, unsigned int *wrptr)
1811 bool last_incomplete;
1812 unsigned int i, cfg, val, idx;
1814 cfg = t4_read_reg(adap, A_TP_DBG_LA_CONFIG) & 0xffff;
1815 if (cfg & F_DBGLAENABLE) /* freeze LA */
1816 t4_write_reg(adap, A_TP_DBG_LA_CONFIG,
1817 adap->params.tp.la_mask | (cfg ^ F_DBGLAENABLE));
1819 val = t4_read_reg(adap, A_TP_DBG_LA_CONFIG);
1820 idx = G_DBGLAWPTR(val);
1821 last_incomplete = G_DBGLAMODE(val) >= 2 && (val & F_DBGLAWHLF) == 0;
1822 if (last_incomplete)
1823 idx = (idx + 1) & M_DBGLARPTR;
1828 val &= ~V_DBGLARPTR(M_DBGLARPTR);
1829 val |= adap->params.tp.la_mask;
1831 for (i = 0; i < TPLA_SIZE; i++) {
1832 t4_write_reg(adap, A_TP_DBG_LA_CONFIG, V_DBGLARPTR(idx) | val);
1833 la_buf[i] = t4_read_reg64(adap, A_TP_DBG_LA_DATAL);
1834 idx = (idx + 1) & M_DBGLARPTR;
1837 /* Wipe out last entry if it isn't valid */
1838 if (last_incomplete)
1839 la_buf[TPLA_SIZE - 1] = ~0ULL;
1841 if (cfg & F_DBGLAENABLE) /* restore running state */
1842 t4_write_reg(adap, A_TP_DBG_LA_CONFIG,
1843 cfg | adap->params.tp.la_mask);
1846 void t4_ulprx_read_la(struct adapter *adap, u32 *la_buf)
1850 for (i = 0; i < 8; i++) {
1851 u32 *p = la_buf + i;
1853 t4_write_reg(adap, A_ULP_RX_LA_CTL, i);
1854 j = t4_read_reg(adap, A_ULP_RX_LA_WRPTR);
1855 t4_write_reg(adap, A_ULP_RX_LA_RDPTR, j);
1856 for (j = 0; j < ULPRX_LA_SIZE; j++, p += 8)
1857 *p = t4_read_reg(adap, A_ULP_RX_LA_RDDATA);
1861 #define ADVERT_MASK (FW_PORT_CAP_SPEED_100M | FW_PORT_CAP_SPEED_1G |\
1862 FW_PORT_CAP_SPEED_10G | FW_PORT_CAP_SPEED_40G | \
1863 FW_PORT_CAP_SPEED_100G | FW_PORT_CAP_ANEG)
1866 * t4_link_start - apply link configuration to MAC/PHY
1867 * @phy: the PHY to setup
1868 * @mac: the MAC to setup
1869 * @lc: the requested link configuration
1871 * Set up a port's MAC and PHY according to a desired link configuration.
1872 * - If the PHY can auto-negotiate first decide what to advertise, then
1873 * enable/disable auto-negotiation as desired, and reset.
1874 * - If the PHY does not auto-negotiate just reset it.
1875 * - If auto-negotiation is off set the MAC to the proper speed/duplex/FC,
1876 * otherwise do it later based on the outcome of auto-negotiation.
1878 int t4_link_start(struct adapter *adap, unsigned int mbox, unsigned int port,
1879 struct link_config *lc)
1881 struct fw_port_cmd c;
1882 unsigned int fc = 0, mdi = V_FW_PORT_CAP_MDI(FW_PORT_CAP_MDI_AUTO);
1885 if (lc->requested_fc & PAUSE_RX)
1886 fc |= FW_PORT_CAP_FC_RX;
1887 if (lc->requested_fc & PAUSE_TX)
1888 fc |= FW_PORT_CAP_FC_TX;
1890 memset(&c, 0, sizeof(c));
1891 c.op_to_portid = htonl(V_FW_CMD_OP(FW_PORT_CMD) | F_FW_CMD_REQUEST |
1892 F_FW_CMD_EXEC | V_FW_PORT_CMD_PORTID(port));
1893 c.action_to_len16 = htonl(V_FW_PORT_CMD_ACTION(FW_PORT_ACTION_L1_CFG) |
1896 if (!(lc->supported & FW_PORT_CAP_ANEG)) {
1897 c.u.l1cfg.rcap = htonl((lc->supported & ADVERT_MASK) | fc);
1898 lc->fc = lc->requested_fc & (PAUSE_RX | PAUSE_TX);
1899 } else if (lc->autoneg == AUTONEG_DISABLE) {
1900 c.u.l1cfg.rcap = htonl(lc->requested_speed | fc | mdi);
1901 lc->fc = lc->requested_fc & (PAUSE_RX | PAUSE_TX);
1903 c.u.l1cfg.rcap = htonl(lc->advertising | fc | mdi);
1905 return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL);
1909 * t4_restart_aneg - restart autonegotiation
1910 * @adap: the adapter
1911 * @mbox: mbox to use for the FW command
1912 * @port: the port id
1914 * Restarts autonegotiation for the selected port.
1916 int t4_restart_aneg(struct adapter *adap, unsigned int mbox, unsigned int port)
1918 struct fw_port_cmd c;
1920 memset(&c, 0, sizeof(c));
1921 c.op_to_portid = htonl(V_FW_CMD_OP(FW_PORT_CMD) | F_FW_CMD_REQUEST |
1922 F_FW_CMD_EXEC | V_FW_PORT_CMD_PORTID(port));
1923 c.action_to_len16 = htonl(V_FW_PORT_CMD_ACTION(FW_PORT_ACTION_L1_CFG) |
1925 c.u.l1cfg.rcap = htonl(FW_PORT_CAP_ANEG);
1926 return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL);
1930 unsigned int mask; /* bits to check in interrupt status */
1931 const char *msg; /* message to print or NULL */
1932 short stat_idx; /* stat counter to increment or -1 */
1933 unsigned short fatal; /* whether the condition reported is fatal */
1937 * t4_handle_intr_status - table driven interrupt handler
1938 * @adapter: the adapter that generated the interrupt
1939 * @reg: the interrupt status register to process
1940 * @acts: table of interrupt actions
1942 * A table driven interrupt handler that applies a set of masks to an
1943 * interrupt status word and performs the corresponding actions if the
1944 * interrupts described by the mask have occured. The actions include
1945 * optionally emitting a warning or alert message. The table is terminated
1946 * by an entry specifying mask 0. Returns the number of fatal interrupt
1949 static int t4_handle_intr_status(struct adapter *adapter, unsigned int reg,
1950 const struct intr_info *acts)
1953 unsigned int mask = 0;
1954 unsigned int status = t4_read_reg(adapter, reg);
1956 for ( ; acts->mask; ++acts) {
1957 if (!(status & acts->mask))
1961 CH_ALERT(adapter, "%s (0x%x)\n",
1962 acts->msg, status & acts->mask);
1963 } else if (acts->msg)
1964 CH_WARN_RATELIMIT(adapter, "%s (0x%x)\n",
1965 acts->msg, status & acts->mask);
1969 if (status) /* clear processed interrupts */
1970 t4_write_reg(adapter, reg, status);
1975 * Interrupt handler for the PCIE module.
1977 static void pcie_intr_handler(struct adapter *adapter)
1979 static struct intr_info sysbus_intr_info[] = {
1980 { F_RNPP, "RXNP array parity error", -1, 1 },
1981 { F_RPCP, "RXPC array parity error", -1, 1 },
1982 { F_RCIP, "RXCIF array parity error", -1, 1 },
1983 { F_RCCP, "Rx completions control array parity error", -1, 1 },
1984 { F_RFTP, "RXFT array parity error", -1, 1 },
1987 static struct intr_info pcie_port_intr_info[] = {
1988 { F_TPCP, "TXPC array parity error", -1, 1 },
1989 { F_TNPP, "TXNP array parity error", -1, 1 },
1990 { F_TFTP, "TXFT array parity error", -1, 1 },
1991 { F_TCAP, "TXCA array parity error", -1, 1 },
1992 { F_TCIP, "TXCIF array parity error", -1, 1 },
1993 { F_RCAP, "RXCA array parity error", -1, 1 },
1994 { F_OTDD, "outbound request TLP discarded", -1, 1 },
1995 { F_RDPE, "Rx data parity error", -1, 1 },
1996 { F_TDUE, "Tx uncorrectable data error", -1, 1 },
1999 static struct intr_info pcie_intr_info[] = {
2000 { F_MSIADDRLPERR, "MSI AddrL parity error", -1, 1 },
2001 { F_MSIADDRHPERR, "MSI AddrH parity error", -1, 1 },
2002 { F_MSIDATAPERR, "MSI data parity error", -1, 1 },
2003 { F_MSIXADDRLPERR, "MSI-X AddrL parity error", -1, 1 },
2004 { F_MSIXADDRHPERR, "MSI-X AddrH parity error", -1, 1 },
2005 { F_MSIXDATAPERR, "MSI-X data parity error", -1, 1 },
2006 { F_MSIXDIPERR, "MSI-X DI parity error", -1, 1 },
2007 { F_PIOCPLPERR, "PCI PIO completion FIFO parity error", -1, 1 },
2008 { F_PIOREQPERR, "PCI PIO request FIFO parity error", -1, 1 },
2009 { F_TARTAGPERR, "PCI PCI target tag FIFO parity error", -1, 1 },
2010 { F_CCNTPERR, "PCI CMD channel count parity error", -1, 1 },
2011 { F_CREQPERR, "PCI CMD channel request parity error", -1, 1 },
2012 { F_CRSPPERR, "PCI CMD channel response parity error", -1, 1 },
2013 { F_DCNTPERR, "PCI DMA channel count parity error", -1, 1 },
2014 { F_DREQPERR, "PCI DMA channel request parity error", -1, 1 },
2015 { F_DRSPPERR, "PCI DMA channel response parity error", -1, 1 },
2016 { F_HCNTPERR, "PCI HMA channel count parity error", -1, 1 },
2017 { F_HREQPERR, "PCI HMA channel request parity error", -1, 1 },
2018 { F_HRSPPERR, "PCI HMA channel response parity error", -1, 1 },
2019 { F_CFGSNPPERR, "PCI config snoop FIFO parity error", -1, 1 },
2020 { F_FIDPERR, "PCI FID parity error", -1, 1 },
2021 { F_INTXCLRPERR, "PCI INTx clear parity error", -1, 1 },
2022 { F_MATAGPERR, "PCI MA tag parity error", -1, 1 },
2023 { F_PIOTAGPERR, "PCI PIO tag parity error", -1, 1 },
2024 { F_RXCPLPERR, "PCI Rx completion parity error", -1, 1 },
2025 { F_RXWRPERR, "PCI Rx write parity error", -1, 1 },
2026 { F_RPLPERR, "PCI replay buffer parity error", -1, 1 },
2027 { F_PCIESINT, "PCI core secondary fault", -1, 1 },
2028 { F_PCIEPINT, "PCI core primary fault", -1, 1 },
2029 { F_UNXSPLCPLERR, "PCI unexpected split completion error", -1,
2034 static struct intr_info t5_pcie_intr_info[] = {
2035 { F_MSTGRPPERR, "Master Response Read Queue parity error",
2037 { F_MSTTIMEOUTPERR, "Master Timeout FIFO parity error", -1, 1 },
2038 { F_MSIXSTIPERR, "MSI-X STI SRAM parity error", -1, 1 },
2039 { F_MSIXADDRLPERR, "MSI-X AddrL parity error", -1, 1 },
2040 { F_MSIXADDRHPERR, "MSI-X AddrH parity error", -1, 1 },
2041 { F_MSIXDATAPERR, "MSI-X data parity error", -1, 1 },
2042 { F_MSIXDIPERR, "MSI-X DI parity error", -1, 1 },
2043 { F_PIOCPLGRPPERR, "PCI PIO completion Group FIFO parity error",
2045 { F_PIOREQGRPPERR, "PCI PIO request Group FIFO parity error",
2047 { F_TARTAGPERR, "PCI PCI target tag FIFO parity error", -1, 1 },
2048 { F_MSTTAGQPERR, "PCI master tag queue parity error", -1, 1 },
2049 { F_CREQPERR, "PCI CMD channel request parity error", -1, 1 },
2050 { F_CRSPPERR, "PCI CMD channel response parity error", -1, 1 },
2051 { F_DREQWRPERR, "PCI DMA channel write request parity error",
2053 { F_DREQPERR, "PCI DMA channel request parity error", -1, 1 },
2054 { F_DRSPPERR, "PCI DMA channel response parity error", -1, 1 },
2055 { F_HREQWRPERR, "PCI HMA channel count parity error", -1, 1 },
2056 { F_HREQPERR, "PCI HMA channel request parity error", -1, 1 },
2057 { F_HRSPPERR, "PCI HMA channel response parity error", -1, 1 },
2058 { F_CFGSNPPERR, "PCI config snoop FIFO parity error", -1, 1 },
2059 { F_FIDPERR, "PCI FID parity error", -1, 1 },
2060 { F_VFIDPERR, "PCI INTx clear parity error", -1, 1 },
2061 { F_MAGRPPERR, "PCI MA group FIFO parity error", -1, 1 },
2062 { F_PIOTAGPERR, "PCI PIO tag parity error", -1, 1 },
2063 { F_IPRXHDRGRPPERR, "PCI IP Rx header group parity error",
2065 { F_IPRXDATAGRPPERR, "PCI IP Rx data group parity error",
2067 { F_RPLPERR, "PCI IP replay buffer parity error", -1, 1 },
2068 { F_IPSOTPERR, "PCI IP SOT buffer parity error", -1, 1 },
2069 { F_TRGT1GRPPERR, "PCI TRGT1 group FIFOs parity error", -1, 1 },
2070 { F_READRSPERR, "Outbound read error", -1,
2077 fat = t4_handle_intr_status(adapter,
2078 A_PCIE_CORE_UTL_SYSTEM_BUS_AGENT_STATUS,
2080 t4_handle_intr_status(adapter,
2081 A_PCIE_CORE_UTL_PCI_EXPRESS_PORT_STATUS,
2082 pcie_port_intr_info) +
2083 t4_handle_intr_status(adapter, A_PCIE_INT_CAUSE,
2085 pcie_intr_info : t5_pcie_intr_info);
2087 t4_fatal_err(adapter);
2091 * TP interrupt handler.
2093 static void tp_intr_handler(struct adapter *adapter)
2095 static struct intr_info tp_intr_info[] = {
2096 { 0x3fffffff, "TP parity error", -1, 1 },
2097 { F_FLMTXFLSTEMPTY, "TP out of Tx pages", -1, 1 },
2101 if (t4_handle_intr_status(adapter, A_TP_INT_CAUSE, tp_intr_info))
2102 t4_fatal_err(adapter);
2106 * SGE interrupt handler.
2108 static void sge_intr_handler(struct adapter *adapter)
2113 static struct intr_info sge_intr_info[] = {
2114 { F_ERR_CPL_EXCEED_IQE_SIZE,
2115 "SGE received CPL exceeding IQE size", -1, 1 },
2116 { F_ERR_INVALID_CIDX_INC,
2117 "SGE GTS CIDX increment too large", -1, 0 },
2118 { F_ERR_CPL_OPCODE_0, "SGE received 0-length CPL", -1, 0 },
2119 { F_ERR_DROPPED_DB, "SGE doorbell dropped", -1, 0 },
2120 { F_ERR_DATA_CPL_ON_HIGH_QID1 | F_ERR_DATA_CPL_ON_HIGH_QID0,
2121 "SGE IQID > 1023 received CPL for FL", -1, 0 },
2122 { F_ERR_BAD_DB_PIDX3, "SGE DBP 3 pidx increment too large", -1,
2124 { F_ERR_BAD_DB_PIDX2, "SGE DBP 2 pidx increment too large", -1,
2126 { F_ERR_BAD_DB_PIDX1, "SGE DBP 1 pidx increment too large", -1,
2128 { F_ERR_BAD_DB_PIDX0, "SGE DBP 0 pidx increment too large", -1,
2130 { F_ERR_ING_CTXT_PRIO,
2131 "SGE too many priority ingress contexts", -1, 0 },
2132 { F_ERR_EGR_CTXT_PRIO,
2133 "SGE too many priority egress contexts", -1, 0 },
2134 { F_INGRESS_SIZE_ERR, "SGE illegal ingress QID", -1, 0 },
2135 { F_EGRESS_SIZE_ERR, "SGE illegal egress QID", -1, 0 },
2139 v = (u64)t4_read_reg(adapter, A_SGE_INT_CAUSE1) |
2140 ((u64)t4_read_reg(adapter, A_SGE_INT_CAUSE2) << 32);
2142 CH_ALERT(adapter, "SGE parity error (%#llx)\n",
2143 (unsigned long long)v);
2144 t4_write_reg(adapter, A_SGE_INT_CAUSE1, v);
2145 t4_write_reg(adapter, A_SGE_INT_CAUSE2, v >> 32);
2148 v |= t4_handle_intr_status(adapter, A_SGE_INT_CAUSE3, sge_intr_info);
2150 err = t4_read_reg(adapter, A_SGE_ERROR_STATS);
2151 if (err & F_ERROR_QID_VALID) {
2152 CH_ERR(adapter, "SGE error for queue %u\n", G_ERROR_QID(err));
2153 if (err & F_UNCAPTURED_ERROR)
2154 CH_ERR(adapter, "SGE UNCAPTURED_ERROR set (clearing)\n");
2155 t4_write_reg(adapter, A_SGE_ERROR_STATS, F_ERROR_QID_VALID |
2156 F_UNCAPTURED_ERROR);
2160 t4_fatal_err(adapter);
2163 #define CIM_OBQ_INTR (F_OBQULP0PARERR | F_OBQULP1PARERR | F_OBQULP2PARERR |\
2164 F_OBQULP3PARERR | F_OBQSGEPARERR | F_OBQNCSIPARERR)
2165 #define CIM_IBQ_INTR (F_IBQTP0PARERR | F_IBQTP1PARERR | F_IBQULPPARERR |\
2166 F_IBQSGEHIPARERR | F_IBQSGELOPARERR | F_IBQNCSIPARERR)
2169 * CIM interrupt handler.
2171 static void cim_intr_handler(struct adapter *adapter)
2173 static struct intr_info cim_intr_info[] = {
2174 { F_PREFDROPINT, "CIM control register prefetch drop", -1, 1 },
2175 { CIM_OBQ_INTR, "CIM OBQ parity error", -1, 1 },
2176 { CIM_IBQ_INTR, "CIM IBQ parity error", -1, 1 },
2177 { F_MBUPPARERR, "CIM mailbox uP parity error", -1, 1 },
2178 { F_MBHOSTPARERR, "CIM mailbox host parity error", -1, 1 },
2179 { F_TIEQINPARERRINT, "CIM TIEQ outgoing parity error", -1, 1 },
2180 { F_TIEQOUTPARERRINT, "CIM TIEQ incoming parity error", -1, 1 },
2183 static struct intr_info cim_upintr_info[] = {
2184 { F_RSVDSPACEINT, "CIM reserved space access", -1, 1 },
2185 { F_ILLTRANSINT, "CIM illegal transaction", -1, 1 },
2186 { F_ILLWRINT, "CIM illegal write", -1, 1 },
2187 { F_ILLRDINT, "CIM illegal read", -1, 1 },
2188 { F_ILLRDBEINT, "CIM illegal read BE", -1, 1 },
2189 { F_ILLWRBEINT, "CIM illegal write BE", -1, 1 },
2190 { F_SGLRDBOOTINT, "CIM single read from boot space", -1, 1 },
2191 { F_SGLWRBOOTINT, "CIM single write to boot space", -1, 1 },
2192 { F_BLKWRBOOTINT, "CIM block write to boot space", -1, 1 },
2193 { F_SGLRDFLASHINT, "CIM single read from flash space", -1, 1 },
2194 { F_SGLWRFLASHINT, "CIM single write to flash space", -1, 1 },
2195 { F_BLKWRFLASHINT, "CIM block write to flash space", -1, 1 },
2196 { F_SGLRDEEPROMINT, "CIM single EEPROM read", -1, 1 },
2197 { F_SGLWREEPROMINT, "CIM single EEPROM write", -1, 1 },
2198 { F_BLKRDEEPROMINT, "CIM block EEPROM read", -1, 1 },
2199 { F_BLKWREEPROMINT, "CIM block EEPROM write", -1, 1 },
2200 { F_SGLRDCTLINT , "CIM single read from CTL space", -1, 1 },
2201 { F_SGLWRCTLINT , "CIM single write to CTL space", -1, 1 },
2202 { F_BLKRDCTLINT , "CIM block read from CTL space", -1, 1 },
2203 { F_BLKWRCTLINT , "CIM block write to CTL space", -1, 1 },
2204 { F_SGLRDPLINT , "CIM single read from PL space", -1, 1 },
2205 { F_SGLWRPLINT , "CIM single write to PL space", -1, 1 },
2206 { F_BLKRDPLINT , "CIM block read from PL space", -1, 1 },
2207 { F_BLKWRPLINT , "CIM block write to PL space", -1, 1 },
2208 { F_REQOVRLOOKUPINT , "CIM request FIFO overwrite", -1, 1 },
2209 { F_RSPOVRLOOKUPINT , "CIM response FIFO overwrite", -1, 1 },
2210 { F_TIMEOUTINT , "CIM PIF timeout", -1, 1 },
2211 { F_TIMEOUTMAINT , "CIM PIF MA timeout", -1, 1 },
2216 if (t4_read_reg(adapter, A_PCIE_FW) & F_PCIE_FW_ERR)
2217 t4_report_fw_error(adapter);
2219 fat = t4_handle_intr_status(adapter, A_CIM_HOST_INT_CAUSE,
2221 t4_handle_intr_status(adapter, A_CIM_HOST_UPACC_INT_CAUSE,
2224 t4_fatal_err(adapter);
2228 * ULP RX interrupt handler.
2230 static void ulprx_intr_handler(struct adapter *adapter)
2232 static struct intr_info ulprx_intr_info[] = {
2233 { F_CAUSE_CTX_1, "ULPRX channel 1 context error", -1, 1 },
2234 { F_CAUSE_CTX_0, "ULPRX channel 0 context error", -1, 1 },
2235 { 0x7fffff, "ULPRX parity error", -1, 1 },
2239 if (t4_handle_intr_status(adapter, A_ULP_RX_INT_CAUSE, ulprx_intr_info))
2240 t4_fatal_err(adapter);
2244 * ULP TX interrupt handler.
2246 static void ulptx_intr_handler(struct adapter *adapter)
2248 static struct intr_info ulptx_intr_info[] = {
2249 { F_PBL_BOUND_ERR_CH3, "ULPTX channel 3 PBL out of bounds", -1,
2251 { F_PBL_BOUND_ERR_CH2, "ULPTX channel 2 PBL out of bounds", -1,
2253 { F_PBL_BOUND_ERR_CH1, "ULPTX channel 1 PBL out of bounds", -1,
2255 { F_PBL_BOUND_ERR_CH0, "ULPTX channel 0 PBL out of bounds", -1,
2257 { 0xfffffff, "ULPTX parity error", -1, 1 },
2261 if (t4_handle_intr_status(adapter, A_ULP_TX_INT_CAUSE, ulptx_intr_info))
2262 t4_fatal_err(adapter);
2266 * PM TX interrupt handler.
2268 static void pmtx_intr_handler(struct adapter *adapter)
2270 static struct intr_info pmtx_intr_info[] = {
2271 { F_PCMD_LEN_OVFL0, "PMTX channel 0 pcmd too large", -1, 1 },
2272 { F_PCMD_LEN_OVFL1, "PMTX channel 1 pcmd too large", -1, 1 },
2273 { F_PCMD_LEN_OVFL2, "PMTX channel 2 pcmd too large", -1, 1 },
2274 { F_ZERO_C_CMD_ERROR, "PMTX 0-length pcmd", -1, 1 },
2275 { 0xffffff0, "PMTX framing error", -1, 1 },
2276 { F_OESPI_PAR_ERROR, "PMTX oespi parity error", -1, 1 },
2277 { F_DB_OPTIONS_PAR_ERROR, "PMTX db_options parity error", -1,
2279 { F_ICSPI_PAR_ERROR, "PMTX icspi parity error", -1, 1 },
2280 { F_C_PCMD_PAR_ERROR, "PMTX c_pcmd parity error", -1, 1},
2284 if (t4_handle_intr_status(adapter, A_PM_TX_INT_CAUSE, pmtx_intr_info))
2285 t4_fatal_err(adapter);
2289 * PM RX interrupt handler.
2291 static void pmrx_intr_handler(struct adapter *adapter)
2293 static struct intr_info pmrx_intr_info[] = {
2294 { F_ZERO_E_CMD_ERROR, "PMRX 0-length pcmd", -1, 1 },
2295 { 0x3ffff0, "PMRX framing error", -1, 1 },
2296 { F_OCSPI_PAR_ERROR, "PMRX ocspi parity error", -1, 1 },
2297 { F_DB_OPTIONS_PAR_ERROR, "PMRX db_options parity error", -1,
2299 { F_IESPI_PAR_ERROR, "PMRX iespi parity error", -1, 1 },
2300 { F_E_PCMD_PAR_ERROR, "PMRX e_pcmd parity error", -1, 1},
2304 if (t4_handle_intr_status(adapter, A_PM_RX_INT_CAUSE, pmrx_intr_info))
2305 t4_fatal_err(adapter);
2309 * CPL switch interrupt handler.
2311 static void cplsw_intr_handler(struct adapter *adapter)
2313 static struct intr_info cplsw_intr_info[] = {
2314 { F_CIM_OP_MAP_PERR, "CPLSW CIM op_map parity error", -1, 1 },
2315 { F_CIM_OVFL_ERROR, "CPLSW CIM overflow", -1, 1 },
2316 { F_TP_FRAMING_ERROR, "CPLSW TP framing error", -1, 1 },
2317 { F_SGE_FRAMING_ERROR, "CPLSW SGE framing error", -1, 1 },
2318 { F_CIM_FRAMING_ERROR, "CPLSW CIM framing error", -1, 1 },
2319 { F_ZERO_SWITCH_ERROR, "CPLSW no-switch error", -1, 1 },
2323 if (t4_handle_intr_status(adapter, A_CPL_INTR_CAUSE, cplsw_intr_info))
2324 t4_fatal_err(adapter);
2328 * LE interrupt handler.
2330 static void le_intr_handler(struct adapter *adap)
2332 static struct intr_info le_intr_info[] = {
2333 { F_LIPMISS, "LE LIP miss", -1, 0 },
2334 { F_LIP0, "LE 0 LIP error", -1, 0 },
2335 { F_PARITYERR, "LE parity error", -1, 1 },
2336 { F_UNKNOWNCMD, "LE unknown command", -1, 1 },
2337 { F_REQQPARERR, "LE request queue parity error", -1, 1 },
2341 if (t4_handle_intr_status(adap, A_LE_DB_INT_CAUSE, le_intr_info))
2346 * MPS interrupt handler.
2348 static void mps_intr_handler(struct adapter *adapter)
2350 static struct intr_info mps_rx_intr_info[] = {
2351 { 0xffffff, "MPS Rx parity error", -1, 1 },
2354 static struct intr_info mps_tx_intr_info[] = {
2355 { V_TPFIFO(M_TPFIFO), "MPS Tx TP FIFO parity error", -1, 1 },
2356 { F_NCSIFIFO, "MPS Tx NC-SI FIFO parity error", -1, 1 },
2357 { V_TXDATAFIFO(M_TXDATAFIFO), "MPS Tx data FIFO parity error",
2359 { V_TXDESCFIFO(M_TXDESCFIFO), "MPS Tx desc FIFO parity error",
2361 { F_BUBBLE, "MPS Tx underflow", -1, 1 },
2362 { F_SECNTERR, "MPS Tx SOP/EOP error", -1, 1 },
2363 { F_FRMERR, "MPS Tx framing error", -1, 1 },
2366 static struct intr_info mps_trc_intr_info[] = {
2367 { V_FILTMEM(M_FILTMEM), "MPS TRC filter parity error", -1, 1 },
2368 { V_PKTFIFO(M_PKTFIFO), "MPS TRC packet FIFO parity error", -1,
2370 { F_MISCPERR, "MPS TRC misc parity error", -1, 1 },
2373 static struct intr_info mps_stat_sram_intr_info[] = {
2374 { 0x1fffff, "MPS statistics SRAM parity error", -1, 1 },
2377 static struct intr_info mps_stat_tx_intr_info[] = {
2378 { 0xfffff, "MPS statistics Tx FIFO parity error", -1, 1 },
2381 static struct intr_info mps_stat_rx_intr_info[] = {
2382 { 0xffffff, "MPS statistics Rx FIFO parity error", -1, 1 },
2385 static struct intr_info mps_cls_intr_info[] = {
2386 { F_MATCHSRAM, "MPS match SRAM parity error", -1, 1 },
2387 { F_MATCHTCAM, "MPS match TCAM parity error", -1, 1 },
2388 { F_HASHSRAM, "MPS hash SRAM parity error", -1, 1 },
2394 fat = t4_handle_intr_status(adapter, A_MPS_RX_PERR_INT_CAUSE,
2396 t4_handle_intr_status(adapter, A_MPS_TX_INT_CAUSE,
2398 t4_handle_intr_status(adapter, A_MPS_TRC_INT_CAUSE,
2399 mps_trc_intr_info) +
2400 t4_handle_intr_status(adapter, A_MPS_STAT_PERR_INT_CAUSE_SRAM,
2401 mps_stat_sram_intr_info) +
2402 t4_handle_intr_status(adapter, A_MPS_STAT_PERR_INT_CAUSE_TX_FIFO,
2403 mps_stat_tx_intr_info) +
2404 t4_handle_intr_status(adapter, A_MPS_STAT_PERR_INT_CAUSE_RX_FIFO,
2405 mps_stat_rx_intr_info) +
2406 t4_handle_intr_status(adapter, A_MPS_CLS_INT_CAUSE,
2409 t4_write_reg(adapter, A_MPS_INT_CAUSE, 0);
2410 t4_read_reg(adapter, A_MPS_INT_CAUSE); /* flush */
2412 t4_fatal_err(adapter);
2415 #define MEM_INT_MASK (F_PERR_INT_CAUSE | F_ECC_CE_INT_CAUSE | F_ECC_UE_INT_CAUSE)
2418 * EDC/MC interrupt handler.
2420 static void mem_intr_handler(struct adapter *adapter, int idx)
2422 static const char name[3][5] = { "EDC0", "EDC1", "MC" };
2424 unsigned int addr, cnt_addr, v;
2426 if (idx <= MEM_EDC1) {
2427 addr = EDC_REG(A_EDC_INT_CAUSE, idx);
2428 cnt_addr = EDC_REG(A_EDC_ECC_STATUS, idx);
2430 if (is_t4(adapter)) {
2431 addr = A_MC_INT_CAUSE;
2432 cnt_addr = A_MC_ECC_STATUS;
2434 addr = A_MC_P_INT_CAUSE;
2435 cnt_addr = A_MC_P_ECC_STATUS;
2439 v = t4_read_reg(adapter, addr) & MEM_INT_MASK;
2440 if (v & F_PERR_INT_CAUSE)
2441 CH_ALERT(adapter, "%s FIFO parity error\n", name[idx]);
2442 if (v & F_ECC_CE_INT_CAUSE) {
2443 u32 cnt = G_ECC_CECNT(t4_read_reg(adapter, cnt_addr));
2445 t4_write_reg(adapter, cnt_addr, V_ECC_CECNT(M_ECC_CECNT));
2446 CH_WARN_RATELIMIT(adapter,
2447 "%u %s correctable ECC data error%s\n",
2448 cnt, name[idx], cnt > 1 ? "s" : "");
2450 if (v & F_ECC_UE_INT_CAUSE)
2451 CH_ALERT(adapter, "%s uncorrectable ECC data error\n",
2454 t4_write_reg(adapter, addr, v);
2455 if (v & (F_PERR_INT_CAUSE | F_ECC_UE_INT_CAUSE))
2456 t4_fatal_err(adapter);
2460 * MA interrupt handler.
2462 static void ma_intr_handler(struct adapter *adapter)
2464 u32 v, status = t4_read_reg(adapter, A_MA_INT_CAUSE);
2466 if (status & F_MEM_PERR_INT_CAUSE)
2467 CH_ALERT(adapter, "MA parity error, parity status %#x\n",
2468 t4_read_reg(adapter, A_MA_PARITY_ERROR_STATUS));
2469 if (status & F_MEM_WRAP_INT_CAUSE) {
2470 v = t4_read_reg(adapter, A_MA_INT_WRAP_STATUS);
2471 CH_ALERT(adapter, "MA address wrap-around error by client %u to"
2472 " address %#x\n", G_MEM_WRAP_CLIENT_NUM(v),
2473 G_MEM_WRAP_ADDRESS(v) << 4);
2475 t4_write_reg(adapter, A_MA_INT_CAUSE, status);
2476 t4_fatal_err(adapter);
2480 * SMB interrupt handler.
2482 static void smb_intr_handler(struct adapter *adap)
2484 static struct intr_info smb_intr_info[] = {
2485 { F_MSTTXFIFOPARINT, "SMB master Tx FIFO parity error", -1, 1 },
2486 { F_MSTRXFIFOPARINT, "SMB master Rx FIFO parity error", -1, 1 },
2487 { F_SLVFIFOPARINT, "SMB slave FIFO parity error", -1, 1 },
2491 if (t4_handle_intr_status(adap, A_SMB_INT_CAUSE, smb_intr_info))
2496 * NC-SI interrupt handler.
2498 static void ncsi_intr_handler(struct adapter *adap)
2500 static struct intr_info ncsi_intr_info[] = {
2501 { F_CIM_DM_PRTY_ERR, "NC-SI CIM parity error", -1, 1 },
2502 { F_MPS_DM_PRTY_ERR, "NC-SI MPS parity error", -1, 1 },
2503 { F_TXFIFO_PRTY_ERR, "NC-SI Tx FIFO parity error", -1, 1 },
2504 { F_RXFIFO_PRTY_ERR, "NC-SI Rx FIFO parity error", -1, 1 },
2508 if (t4_handle_intr_status(adap, A_NCSI_INT_CAUSE, ncsi_intr_info))
2513 * XGMAC interrupt handler.
2515 static void xgmac_intr_handler(struct adapter *adap, int port)
2517 u32 v, int_cause_reg;
2520 int_cause_reg = PORT_REG(port, A_XGMAC_PORT_INT_CAUSE);
2522 int_cause_reg = T5_PORT_REG(port, A_MAC_PORT_INT_CAUSE);
2524 v = t4_read_reg(adap, int_cause_reg);
2525 v &= (F_TXFIFO_PRTY_ERR | F_RXFIFO_PRTY_ERR);
2529 if (v & F_TXFIFO_PRTY_ERR)
2530 CH_ALERT(adap, "XGMAC %d Tx FIFO parity error\n", port);
2531 if (v & F_RXFIFO_PRTY_ERR)
2532 CH_ALERT(adap, "XGMAC %d Rx FIFO parity error\n", port);
2533 t4_write_reg(adap, int_cause_reg, v);
2538 * PL interrupt handler.
2540 static void pl_intr_handler(struct adapter *adap)
2542 static struct intr_info pl_intr_info[] = {
2543 { F_FATALPERR, "Fatal parity error", -1, 1 },
2544 { F_PERRVFID, "PL VFID_MAP parity error", -1, 1 },
2548 static struct intr_info t5_pl_intr_info[] = {
2549 { F_PL_BUSPERR, "PL bus parity error", -1, 1 },
2550 { F_FATALPERR, "Fatal parity error", -1, 1 },
2554 if (t4_handle_intr_status(adap, A_PL_PL_INT_CAUSE,
2555 is_t4(adap) ? pl_intr_info : t5_pl_intr_info))
2559 #define PF_INTR_MASK (F_PFSW | F_PFCIM)
2560 #define GLBL_INTR_MASK (F_CIM | F_MPS | F_PL | F_PCIE | F_MC | F_EDC0 | \
2561 F_EDC1 | F_LE | F_TP | F_MA | F_PM_TX | F_PM_RX | F_ULP_RX | \
2562 F_CPL_SWITCH | F_SGE | F_ULP_TX)
2565 * t4_slow_intr_handler - control path interrupt handler
2566 * @adapter: the adapter
2568 * T4 interrupt handler for non-data global interrupt events, e.g., errors.
2569 * The designation 'slow' is because it involves register reads, while
2570 * data interrupts typically don't involve any MMIOs.
2572 int t4_slow_intr_handler(struct adapter *adapter)
2574 u32 cause = t4_read_reg(adapter, A_PL_INT_CAUSE);
2576 if (!(cause & GLBL_INTR_MASK))
2579 cim_intr_handler(adapter);
2581 mps_intr_handler(adapter);
2583 ncsi_intr_handler(adapter);
2585 pl_intr_handler(adapter);
2587 smb_intr_handler(adapter);
2588 if (cause & F_XGMAC0)
2589 xgmac_intr_handler(adapter, 0);
2590 if (cause & F_XGMAC1)
2591 xgmac_intr_handler(adapter, 1);
2592 if (cause & F_XGMAC_KR0)
2593 xgmac_intr_handler(adapter, 2);
2594 if (cause & F_XGMAC_KR1)
2595 xgmac_intr_handler(adapter, 3);
2597 pcie_intr_handler(adapter);
2599 mem_intr_handler(adapter, MEM_MC);
2601 mem_intr_handler(adapter, MEM_EDC0);
2603 mem_intr_handler(adapter, MEM_EDC1);
2605 le_intr_handler(adapter);
2607 tp_intr_handler(adapter);
2609 ma_intr_handler(adapter);
2610 if (cause & F_PM_TX)
2611 pmtx_intr_handler(adapter);
2612 if (cause & F_PM_RX)
2613 pmrx_intr_handler(adapter);
2614 if (cause & F_ULP_RX)
2615 ulprx_intr_handler(adapter);
2616 if (cause & F_CPL_SWITCH)
2617 cplsw_intr_handler(adapter);
2619 sge_intr_handler(adapter);
2620 if (cause & F_ULP_TX)
2621 ulptx_intr_handler(adapter);
2623 /* Clear the interrupts just processed for which we are the master. */
2624 t4_write_reg(adapter, A_PL_INT_CAUSE, cause & GLBL_INTR_MASK);
2625 (void) t4_read_reg(adapter, A_PL_INT_CAUSE); /* flush */
2630 * t4_intr_enable - enable interrupts
2631 * @adapter: the adapter whose interrupts should be enabled
2633 * Enable PF-specific interrupts for the calling function and the top-level
2634 * interrupt concentrator for global interrupts. Interrupts are already
2635 * enabled at each module, here we just enable the roots of the interrupt
2638 * Note: this function should be called only when the driver manages
2639 * non PF-specific interrupts from the various HW modules. Only one PCI
2640 * function at a time should be doing this.
2642 void t4_intr_enable(struct adapter *adapter)
2644 u32 pf = G_SOURCEPF(t4_read_reg(adapter, A_PL_WHOAMI));
2646 t4_write_reg(adapter, A_SGE_INT_ENABLE3, F_ERR_CPL_EXCEED_IQE_SIZE |
2647 F_ERR_INVALID_CIDX_INC | F_ERR_CPL_OPCODE_0 |
2648 F_ERR_DROPPED_DB | F_ERR_DATA_CPL_ON_HIGH_QID1 |
2649 F_ERR_DATA_CPL_ON_HIGH_QID0 | F_ERR_BAD_DB_PIDX3 |
2650 F_ERR_BAD_DB_PIDX2 | F_ERR_BAD_DB_PIDX1 |
2651 F_ERR_BAD_DB_PIDX0 | F_ERR_ING_CTXT_PRIO |
2652 F_ERR_EGR_CTXT_PRIO | F_INGRESS_SIZE_ERR |
2654 t4_write_reg(adapter, MYPF_REG(A_PL_PF_INT_ENABLE), PF_INTR_MASK);
2655 t4_set_reg_field(adapter, A_PL_INT_MAP0, 0, 1 << pf);
2659 * t4_intr_disable - disable interrupts
2660 * @adapter: the adapter whose interrupts should be disabled
2662 * Disable interrupts. We only disable the top-level interrupt
2663 * concentrators. The caller must be a PCI function managing global
2666 void t4_intr_disable(struct adapter *adapter)
2668 u32 pf = G_SOURCEPF(t4_read_reg(adapter, A_PL_WHOAMI));
2670 t4_write_reg(adapter, MYPF_REG(A_PL_PF_INT_ENABLE), 0);
2671 t4_set_reg_field(adapter, A_PL_INT_MAP0, 1 << pf, 0);
2675 * t4_intr_clear - clear all interrupts
2676 * @adapter: the adapter whose interrupts should be cleared
2678 * Clears all interrupts. The caller must be a PCI function managing
2679 * global interrupts.
2681 void t4_intr_clear(struct adapter *adapter)
2683 static const unsigned int cause_reg[] = {
2684 A_SGE_INT_CAUSE1, A_SGE_INT_CAUSE2, A_SGE_INT_CAUSE3,
2685 A_PCIE_CORE_UTL_SYSTEM_BUS_AGENT_STATUS,
2686 A_PCIE_CORE_UTL_PCI_EXPRESS_PORT_STATUS,
2687 A_PCIE_NONFAT_ERR, A_PCIE_INT_CAUSE,
2688 A_MA_INT_WRAP_STATUS, A_MA_PARITY_ERROR_STATUS, A_MA_INT_CAUSE,
2689 A_EDC_INT_CAUSE, EDC_REG(A_EDC_INT_CAUSE, 1),
2690 A_CIM_HOST_INT_CAUSE, A_CIM_HOST_UPACC_INT_CAUSE,
2691 MYPF_REG(A_CIM_PF_HOST_INT_CAUSE),
2693 A_ULP_RX_INT_CAUSE, A_ULP_TX_INT_CAUSE,
2694 A_PM_RX_INT_CAUSE, A_PM_TX_INT_CAUSE,
2695 A_MPS_RX_PERR_INT_CAUSE,
2697 MYPF_REG(A_PL_PF_INT_CAUSE),
2704 for (i = 0; i < ARRAY_SIZE(cause_reg); ++i)
2705 t4_write_reg(adapter, cause_reg[i], 0xffffffff);
2707 t4_write_reg(adapter, is_t4(adapter) ? A_MC_INT_CAUSE :
2708 A_MC_P_INT_CAUSE, 0xffffffff);
2710 t4_write_reg(adapter, A_PL_INT_CAUSE, GLBL_INTR_MASK);
2711 (void) t4_read_reg(adapter, A_PL_INT_CAUSE); /* flush */
2715 * hash_mac_addr - return the hash value of a MAC address
2716 * @addr: the 48-bit Ethernet MAC address
2718 * Hashes a MAC address according to the hash function used by HW inexact
2719 * (hash) address matching.
2721 static int hash_mac_addr(const u8 *addr)
2723 u32 a = ((u32)addr[0] << 16) | ((u32)addr[1] << 8) | addr[2];
2724 u32 b = ((u32)addr[3] << 16) | ((u32)addr[4] << 8) | addr[5];
2732 * t4_config_rss_range - configure a portion of the RSS mapping table
2733 * @adapter: the adapter
2734 * @mbox: mbox to use for the FW command
2735 * @viid: virtual interface whose RSS subtable is to be written
2736 * @start: start entry in the table to write
2737 * @n: how many table entries to write
2738 * @rspq: values for the "response queue" (Ingress Queue) lookup table
2739 * @nrspq: number of values in @rspq
2741 * Programs the selected part of the VI's RSS mapping table with the
2742 * provided values. If @nrspq < @n the supplied values are used repeatedly
2743 * until the full table range is populated.
2745 * The caller must ensure the values in @rspq are in the range allowed for
2748 int t4_config_rss_range(struct adapter *adapter, int mbox, unsigned int viid,
2749 int start, int n, const u16 *rspq, unsigned int nrspq)
2752 const u16 *rsp = rspq;
2753 const u16 *rsp_end = rspq + nrspq;
2754 struct fw_rss_ind_tbl_cmd cmd;
2756 memset(&cmd, 0, sizeof(cmd));
2757 cmd.op_to_viid = htonl(V_FW_CMD_OP(FW_RSS_IND_TBL_CMD) |
2758 F_FW_CMD_REQUEST | F_FW_CMD_WRITE |
2759 V_FW_RSS_IND_TBL_CMD_VIID(viid));
2760 cmd.retval_len16 = htonl(FW_LEN16(cmd));
2764 * Each firmware RSS command can accommodate up to 32 RSS Ingress
2765 * Queue Identifiers. These Ingress Queue IDs are packed three to
2766 * a 32-bit word as 10-bit values with the upper remaining 2 bits
2770 int nq = min(n, 32);
2772 __be32 *qp = &cmd.iq0_to_iq2;
2775 * Set up the firmware RSS command header to send the next
2776 * "nq" Ingress Queue IDs to the firmware.
2778 cmd.niqid = htons(nq);
2779 cmd.startidx = htons(start);
2782 * "nq" more done for the start of the next loop.
2788 * While there are still Ingress Queue IDs to stuff into the
2789 * current firmware RSS command, retrieve them from the
2790 * Ingress Queue ID array and insert them into the command.
2794 * Grab up to the next 3 Ingress Queue IDs (wrapping
2795 * around the Ingress Queue ID array if necessary) and
2796 * insert them into the firmware RSS command at the
2797 * current 3-tuple position within the commad.
2801 int nqbuf = min(3, nq);
2804 qbuf[0] = qbuf[1] = qbuf[2] = 0;
2805 while (nqbuf && nq_packed < 32) {
2812 *qp++ = cpu_to_be32(V_FW_RSS_IND_TBL_CMD_IQ0(qbuf[0]) |
2813 V_FW_RSS_IND_TBL_CMD_IQ1(qbuf[1]) |
2814 V_FW_RSS_IND_TBL_CMD_IQ2(qbuf[2]));
2818 * Send this portion of the RRS table update to the firmware;
2819 * bail out on any errors.
2821 ret = t4_wr_mbox(adapter, mbox, &cmd, sizeof(cmd), NULL);
2830 * t4_config_glbl_rss - configure the global RSS mode
2831 * @adapter: the adapter
2832 * @mbox: mbox to use for the FW command
2833 * @mode: global RSS mode
2834 * @flags: mode-specific flags
2836 * Sets the global RSS mode.
2838 int t4_config_glbl_rss(struct adapter *adapter, int mbox, unsigned int mode,
2841 struct fw_rss_glb_config_cmd c;
2843 memset(&c, 0, sizeof(c));
2844 c.op_to_write = htonl(V_FW_CMD_OP(FW_RSS_GLB_CONFIG_CMD) |
2845 F_FW_CMD_REQUEST | F_FW_CMD_WRITE);
2846 c.retval_len16 = htonl(FW_LEN16(c));
2847 if (mode == FW_RSS_GLB_CONFIG_CMD_MODE_MANUAL) {
2848 c.u.manual.mode_pkd = htonl(V_FW_RSS_GLB_CONFIG_CMD_MODE(mode));
2849 } else if (mode == FW_RSS_GLB_CONFIG_CMD_MODE_BASICVIRTUAL) {
2850 c.u.basicvirtual.mode_pkd =
2851 htonl(V_FW_RSS_GLB_CONFIG_CMD_MODE(mode));
2852 c.u.basicvirtual.synmapen_to_hashtoeplitz = htonl(flags);
2855 return t4_wr_mbox(adapter, mbox, &c, sizeof(c), NULL);
2859 * t4_config_vi_rss - configure per VI RSS settings
2860 * @adapter: the adapter
2861 * @mbox: mbox to use for the FW command
2864 * @defq: id of the default RSS queue for the VI.
2866 * Configures VI-specific RSS properties.
2868 int t4_config_vi_rss(struct adapter *adapter, int mbox, unsigned int viid,
2869 unsigned int flags, unsigned int defq)
2871 struct fw_rss_vi_config_cmd c;
2873 memset(&c, 0, sizeof(c));
2874 c.op_to_viid = htonl(V_FW_CMD_OP(FW_RSS_VI_CONFIG_CMD) |
2875 F_FW_CMD_REQUEST | F_FW_CMD_WRITE |
2876 V_FW_RSS_VI_CONFIG_CMD_VIID(viid));
2877 c.retval_len16 = htonl(FW_LEN16(c));
2878 c.u.basicvirtual.defaultq_to_udpen = htonl(flags |
2879 V_FW_RSS_VI_CONFIG_CMD_DEFAULTQ(defq));
2880 return t4_wr_mbox(adapter, mbox, &c, sizeof(c), NULL);
2883 /* Read an RSS table row */
2884 static int rd_rss_row(struct adapter *adap, int row, u32 *val)
2886 t4_write_reg(adap, A_TP_RSS_LKP_TABLE, 0xfff00000 | row);
2887 return t4_wait_op_done_val(adap, A_TP_RSS_LKP_TABLE, F_LKPTBLROWVLD, 1,
2892 * t4_read_rss - read the contents of the RSS mapping table
2893 * @adapter: the adapter
2894 * @map: holds the contents of the RSS mapping table
2896 * Reads the contents of the RSS hash->queue mapping table.
2898 int t4_read_rss(struct adapter *adapter, u16 *map)
2903 for (i = 0; i < RSS_NENTRIES / 2; ++i) {
2904 ret = rd_rss_row(adapter, i, &val);
2907 *map++ = G_LKPTBLQUEUE0(val);
2908 *map++ = G_LKPTBLQUEUE1(val);
2914 * t4_read_rss_key - read the global RSS key
2915 * @adap: the adapter
2916 * @key: 10-entry array holding the 320-bit RSS key
2918 * Reads the global 320-bit RSS key.
2920 void t4_read_rss_key(struct adapter *adap, u32 *key)
2922 t4_read_indirect(adap, A_TP_PIO_ADDR, A_TP_PIO_DATA, key, 10,
2923 A_TP_RSS_SECRET_KEY0);
2927 * t4_write_rss_key - program one of the RSS keys
2928 * @adap: the adapter
2929 * @key: 10-entry array holding the 320-bit RSS key
2930 * @idx: which RSS key to write
2932 * Writes one of the RSS keys with the given 320-bit value. If @idx is
2933 * 0..15 the corresponding entry in the RSS key table is written,
2934 * otherwise the global RSS key is written.
2936 void t4_write_rss_key(struct adapter *adap, const u32 *key, int idx)
2938 t4_write_indirect(adap, A_TP_PIO_ADDR, A_TP_PIO_DATA, key, 10,
2939 A_TP_RSS_SECRET_KEY0);
2940 if (idx >= 0 && idx < 16)
2941 t4_write_reg(adap, A_TP_RSS_CONFIG_VRT,
2942 V_KEYWRADDR(idx) | F_KEYWREN);
2946 * t4_read_rss_pf_config - read PF RSS Configuration Table
2947 * @adapter: the adapter
2948 * @index: the entry in the PF RSS table to read
2949 * @valp: where to store the returned value
2951 * Reads the PF RSS Configuration Table at the specified index and returns
2952 * the value found there.
2954 void t4_read_rss_pf_config(struct adapter *adapter, unsigned int index, u32 *valp)
2956 t4_read_indirect(adapter, A_TP_PIO_ADDR, A_TP_PIO_DATA,
2957 valp, 1, A_TP_RSS_PF0_CONFIG + index);
2961 * t4_write_rss_pf_config - write PF RSS Configuration Table
2962 * @adapter: the adapter
2963 * @index: the entry in the VF RSS table to read
2964 * @val: the value to store
2966 * Writes the PF RSS Configuration Table at the specified index with the
2969 void t4_write_rss_pf_config(struct adapter *adapter, unsigned int index, u32 val)
2971 t4_write_indirect(adapter, A_TP_PIO_ADDR, A_TP_PIO_DATA,
2972 &val, 1, A_TP_RSS_PF0_CONFIG + index);
2976 * t4_read_rss_vf_config - read VF RSS Configuration Table
2977 * @adapter: the adapter
2978 * @index: the entry in the VF RSS table to read
2979 * @vfl: where to store the returned VFL
2980 * @vfh: where to store the returned VFH
2982 * Reads the VF RSS Configuration Table at the specified index and returns
2983 * the (VFL, VFH) values found there.
2985 void t4_read_rss_vf_config(struct adapter *adapter, unsigned int index,
2991 * Request that the index'th VF Table values be read into VFL/VFH.
2993 vrt = t4_read_reg(adapter, A_TP_RSS_CONFIG_VRT);
2994 vrt &= ~(F_VFRDRG | V_VFWRADDR(M_VFWRADDR) | F_VFWREN | F_KEYWREN);
2995 vrt |= V_VFWRADDR(index) | F_VFRDEN;
2996 t4_write_reg(adapter, A_TP_RSS_CONFIG_VRT, vrt);
2999 * Grab the VFL/VFH values ...
3001 t4_read_indirect(adapter, A_TP_PIO_ADDR, A_TP_PIO_DATA,
3002 vfl, 1, A_TP_RSS_VFL_CONFIG);
3003 t4_read_indirect(adapter, A_TP_PIO_ADDR, A_TP_PIO_DATA,
3004 vfh, 1, A_TP_RSS_VFH_CONFIG);
3008 * t4_write_rss_vf_config - write VF RSS Configuration Table
3010 * @adapter: the adapter
3011 * @index: the entry in the VF RSS table to write
3012 * @vfl: the VFL to store
3013 * @vfh: the VFH to store
3015 * Writes the VF RSS Configuration Table at the specified index with the
3016 * specified (VFL, VFH) values.
3018 void t4_write_rss_vf_config(struct adapter *adapter, unsigned int index,
3024 * Load up VFL/VFH with the values to be written ...
3026 t4_write_indirect(adapter, A_TP_PIO_ADDR, A_TP_PIO_DATA,
3027 &vfl, 1, A_TP_RSS_VFL_CONFIG);
3028 t4_write_indirect(adapter, A_TP_PIO_ADDR, A_TP_PIO_DATA,
3029 &vfh, 1, A_TP_RSS_VFH_CONFIG);
3032 * Write the VFL/VFH into the VF Table at index'th location.
3034 vrt = t4_read_reg(adapter, A_TP_RSS_CONFIG_VRT);
3035 vrt &= ~(F_VFRDRG | F_VFRDEN | V_VFWRADDR(M_VFWRADDR) | F_KEYWREN);
3036 vrt |= V_VFWRADDR(index) | F_VFWREN;
3037 t4_write_reg(adapter, A_TP_RSS_CONFIG_VRT, vrt);
3041 * t4_read_rss_pf_map - read PF RSS Map
3042 * @adapter: the adapter
3044 * Reads the PF RSS Map register and returns its value.
3046 u32 t4_read_rss_pf_map(struct adapter *adapter)
3050 t4_read_indirect(adapter, A_TP_PIO_ADDR, A_TP_PIO_DATA,
3051 &pfmap, 1, A_TP_RSS_PF_MAP);
3056 * t4_write_rss_pf_map - write PF RSS Map
3057 * @adapter: the adapter
3058 * @pfmap: PF RSS Map value
3060 * Writes the specified value to the PF RSS Map register.
3062 void t4_write_rss_pf_map(struct adapter *adapter, u32 pfmap)
3064 t4_write_indirect(adapter, A_TP_PIO_ADDR, A_TP_PIO_DATA,
3065 &pfmap, 1, A_TP_RSS_PF_MAP);
3069 * t4_read_rss_pf_mask - read PF RSS Mask
3070 * @adapter: the adapter
3072 * Reads the PF RSS Mask register and returns its value.
3074 u32 t4_read_rss_pf_mask(struct adapter *adapter)
3078 t4_read_indirect(adapter, A_TP_PIO_ADDR, A_TP_PIO_DATA,
3079 &pfmask, 1, A_TP_RSS_PF_MSK);
3084 * t4_write_rss_pf_mask - write PF RSS Mask
3085 * @adapter: the adapter
3086 * @pfmask: PF RSS Mask value
3088 * Writes the specified value to the PF RSS Mask register.
3090 void t4_write_rss_pf_mask(struct adapter *adapter, u32 pfmask)
3092 t4_write_indirect(adapter, A_TP_PIO_ADDR, A_TP_PIO_DATA,
3093 &pfmask, 1, A_TP_RSS_PF_MSK);
3097 * t4_set_filter_mode - configure the optional components of filter tuples
3098 * @adap: the adapter
3099 * @mode_map: a bitmap selcting which optional filter components to enable
3101 * Sets the filter mode by selecting the optional components to enable
3102 * in filter tuples. Returns 0 on success and a negative error if the
3103 * requested mode needs more bits than are available for optional
3106 int t4_set_filter_mode(struct adapter *adap, unsigned int mode_map)
3108 static u8 width[] = { 1, 3, 17, 17, 8, 8, 16, 9, 3, 1 };
3112 for (i = S_FCOE; i <= S_FRAGMENTATION; i++)
3113 if (mode_map & (1 << i))
3115 if (nbits > FILTER_OPT_LEN)
3117 t4_write_indirect(adap, A_TP_PIO_ADDR, A_TP_PIO_DATA, &mode_map, 1,
3123 * t4_tp_get_tcp_stats - read TP's TCP MIB counters
3124 * @adap: the adapter
3125 * @v4: holds the TCP/IP counter values
3126 * @v6: holds the TCP/IPv6 counter values
3128 * Returns the values of TP's TCP/IP and TCP/IPv6 MIB counters.
3129 * Either @v4 or @v6 may be %NULL to skip the corresponding stats.
3131 void t4_tp_get_tcp_stats(struct adapter *adap, struct tp_tcp_stats *v4,
3132 struct tp_tcp_stats *v6)
3134 u32 val[A_TP_MIB_TCP_RXT_SEG_LO - A_TP_MIB_TCP_OUT_RST + 1];
3136 #define STAT_IDX(x) ((A_TP_MIB_TCP_##x) - A_TP_MIB_TCP_OUT_RST)
3137 #define STAT(x) val[STAT_IDX(x)]
3138 #define STAT64(x) (((u64)STAT(x##_HI) << 32) | STAT(x##_LO))
3141 t4_read_indirect(adap, A_TP_MIB_INDEX, A_TP_MIB_DATA, val,
3142 ARRAY_SIZE(val), A_TP_MIB_TCP_OUT_RST);
3143 v4->tcpOutRsts = STAT(OUT_RST);
3144 v4->tcpInSegs = STAT64(IN_SEG);
3145 v4->tcpOutSegs = STAT64(OUT_SEG);
3146 v4->tcpRetransSegs = STAT64(RXT_SEG);
3149 t4_read_indirect(adap, A_TP_MIB_INDEX, A_TP_MIB_DATA, val,
3150 ARRAY_SIZE(val), A_TP_MIB_TCP_V6OUT_RST);
3151 v6->tcpOutRsts = STAT(OUT_RST);
3152 v6->tcpInSegs = STAT64(IN_SEG);
3153 v6->tcpOutSegs = STAT64(OUT_SEG);
3154 v6->tcpRetransSegs = STAT64(RXT_SEG);
3162 * t4_tp_get_err_stats - read TP's error MIB counters
3163 * @adap: the adapter
3164 * @st: holds the counter values
3166 * Returns the values of TP's error counters.
3168 void t4_tp_get_err_stats(struct adapter *adap, struct tp_err_stats *st)
3170 t4_read_indirect(adap, A_TP_MIB_INDEX, A_TP_MIB_DATA, st->macInErrs,
3171 12, A_TP_MIB_MAC_IN_ERR_0);
3172 t4_read_indirect(adap, A_TP_MIB_INDEX, A_TP_MIB_DATA, st->tnlCongDrops,
3173 8, A_TP_MIB_TNL_CNG_DROP_0);
3174 t4_read_indirect(adap, A_TP_MIB_INDEX, A_TP_MIB_DATA, st->tnlTxDrops,
3175 4, A_TP_MIB_TNL_DROP_0);
3176 t4_read_indirect(adap, A_TP_MIB_INDEX, A_TP_MIB_DATA, st->ofldVlanDrops,
3177 4, A_TP_MIB_OFD_VLN_DROP_0);
3178 t4_read_indirect(adap, A_TP_MIB_INDEX, A_TP_MIB_DATA, st->tcp6InErrs,
3179 4, A_TP_MIB_TCP_V6IN_ERR_0);
3180 t4_read_indirect(adap, A_TP_MIB_INDEX, A_TP_MIB_DATA, &st->ofldNoNeigh,
3181 2, A_TP_MIB_OFD_ARP_DROP);
3185 * t4_tp_get_proxy_stats - read TP's proxy MIB counters
3186 * @adap: the adapter
3187 * @st: holds the counter values
3189 * Returns the values of TP's proxy counters.
3191 void t4_tp_get_proxy_stats(struct adapter *adap, struct tp_proxy_stats *st)
3193 t4_read_indirect(adap, A_TP_MIB_INDEX, A_TP_MIB_DATA, st->proxy,
3194 4, A_TP_MIB_TNL_LPBK_0);
3198 * t4_tp_get_cpl_stats - read TP's CPL MIB counters
3199 * @adap: the adapter
3200 * @st: holds the counter values
3202 * Returns the values of TP's CPL counters.
3204 void t4_tp_get_cpl_stats(struct adapter *adap, struct tp_cpl_stats *st)
3206 t4_read_indirect(adap, A_TP_MIB_INDEX, A_TP_MIB_DATA, st->req,
3207 8, A_TP_MIB_CPL_IN_REQ_0);
3211 * t4_tp_get_rdma_stats - read TP's RDMA MIB counters
3212 * @adap: the adapter
3213 * @st: holds the counter values
3215 * Returns the values of TP's RDMA counters.
3217 void t4_tp_get_rdma_stats(struct adapter *adap, struct tp_rdma_stats *st)
3219 t4_read_indirect(adap, A_TP_MIB_INDEX, A_TP_MIB_DATA, &st->rqe_dfr_mod,
3220 2, A_TP_MIB_RQE_DFR_MOD);
3224 * t4_get_fcoe_stats - read TP's FCoE MIB counters for a port
3225 * @adap: the adapter
3226 * @idx: the port index
3227 * @st: holds the counter values
3229 * Returns the values of TP's FCoE counters for the selected port.
3231 void t4_get_fcoe_stats(struct adapter *adap, unsigned int idx,
3232 struct tp_fcoe_stats *st)
3236 t4_read_indirect(adap, A_TP_MIB_INDEX, A_TP_MIB_DATA, &st->framesDDP,
3237 1, A_TP_MIB_FCOE_DDP_0 + idx);
3238 t4_read_indirect(adap, A_TP_MIB_INDEX, A_TP_MIB_DATA, &st->framesDrop,
3239 1, A_TP_MIB_FCOE_DROP_0 + idx);
3240 t4_read_indirect(adap, A_TP_MIB_INDEX, A_TP_MIB_DATA, val,
3241 2, A_TP_MIB_FCOE_BYTE_0_HI + 2 * idx);
3242 st->octetsDDP = ((u64)val[0] << 32) | val[1];
3246 * t4_get_usm_stats - read TP's non-TCP DDP MIB counters
3247 * @adap: the adapter
3248 * @st: holds the counter values
3250 * Returns the values of TP's counters for non-TCP directly-placed packets.
3252 void t4_get_usm_stats(struct adapter *adap, struct tp_usm_stats *st)
3256 t4_read_indirect(adap, A_TP_MIB_INDEX, A_TP_MIB_DATA, val, 4,
3258 st->frames = val[0];
3260 st->octets = ((u64)val[2] << 32) | val[3];
3264 * t4_read_mtu_tbl - returns the values in the HW path MTU table
3265 * @adap: the adapter
3266 * @mtus: where to store the MTU values
3267 * @mtu_log: where to store the MTU base-2 log (may be %NULL)
3269 * Reads the HW path MTU table.
3271 void t4_read_mtu_tbl(struct adapter *adap, u16 *mtus, u8 *mtu_log)
3276 for (i = 0; i < NMTUS; ++i) {
3277 t4_write_reg(adap, A_TP_MTU_TABLE,
3278 V_MTUINDEX(0xff) | V_MTUVALUE(i));
3279 v = t4_read_reg(adap, A_TP_MTU_TABLE);
3280 mtus[i] = G_MTUVALUE(v);
3282 mtu_log[i] = G_MTUWIDTH(v);
3287 * t4_read_cong_tbl - reads the congestion control table
3288 * @adap: the adapter
3289 * @incr: where to store the alpha values
3291 * Reads the additive increments programmed into the HW congestion
3294 void t4_read_cong_tbl(struct adapter *adap, u16 incr[NMTUS][NCCTRL_WIN])
3296 unsigned int mtu, w;
3298 for (mtu = 0; mtu < NMTUS; ++mtu)
3299 for (w = 0; w < NCCTRL_WIN; ++w) {
3300 t4_write_reg(adap, A_TP_CCTRL_TABLE,
3301 V_ROWINDEX(0xffff) | (mtu << 5) | w);
3302 incr[mtu][w] = (u16)t4_read_reg(adap,
3303 A_TP_CCTRL_TABLE) & 0x1fff;
3308 * t4_read_pace_tbl - read the pace table
3309 * @adap: the adapter
3310 * @pace_vals: holds the returned values
3312 * Returns the values of TP's pace table in microseconds.
3314 void t4_read_pace_tbl(struct adapter *adap, unsigned int pace_vals[NTX_SCHED])
3318 for (i = 0; i < NTX_SCHED; i++) {
3319 t4_write_reg(adap, A_TP_PACE_TABLE, 0xffff0000 + i);
3320 v = t4_read_reg(adap, A_TP_PACE_TABLE);
3321 pace_vals[i] = dack_ticks_to_usec(adap, v);
3326 * t4_tp_wr_bits_indirect - set/clear bits in an indirect TP register
3327 * @adap: the adapter
3328 * @addr: the indirect TP register address
3329 * @mask: specifies the field within the register to modify
3330 * @val: new value for the field
3332 * Sets a field of an indirect TP register to the given value.
3334 void t4_tp_wr_bits_indirect(struct adapter *adap, unsigned int addr,
3335 unsigned int mask, unsigned int val)
3337 t4_write_reg(adap, A_TP_PIO_ADDR, addr);
3338 val |= t4_read_reg(adap, A_TP_PIO_DATA) & ~mask;
3339 t4_write_reg(adap, A_TP_PIO_DATA, val);
3343 * init_cong_ctrl - initialize congestion control parameters
3344 * @a: the alpha values for congestion control
3345 * @b: the beta values for congestion control
3347 * Initialize the congestion control parameters.
3349 static void __devinit init_cong_ctrl(unsigned short *a, unsigned short *b)
3351 a[0] = a[1] = a[2] = a[3] = a[4] = a[5] = a[6] = a[7] = a[8] = 1;
3376 b[0] = b[1] = b[2] = b[3] = b[4] = b[5] = b[6] = b[7] = b[8] = 0;
3379 b[13] = b[14] = b[15] = b[16] = 3;
3380 b[17] = b[18] = b[19] = b[20] = b[21] = 4;
3381 b[22] = b[23] = b[24] = b[25] = b[26] = b[27] = 5;
3386 /* The minimum additive increment value for the congestion control table */
3387 #define CC_MIN_INCR 2U
3390 * t4_load_mtus - write the MTU and congestion control HW tables
3391 * @adap: the adapter
3392 * @mtus: the values for the MTU table
3393 * @alpha: the values for the congestion control alpha parameter
3394 * @beta: the values for the congestion control beta parameter
3396 * Write the HW MTU table with the supplied MTUs and the high-speed
3397 * congestion control table with the supplied alpha, beta, and MTUs.
3398 * We write the two tables together because the additive increments
3399 * depend on the MTUs.
3401 void t4_load_mtus(struct adapter *adap, const unsigned short *mtus,
3402 const unsigned short *alpha, const unsigned short *beta)
3404 static const unsigned int avg_pkts[NCCTRL_WIN] = {
3405 2, 6, 10, 14, 20, 28, 40, 56, 80, 112, 160, 224, 320, 448, 640,
3406 896, 1281, 1792, 2560, 3584, 5120, 7168, 10240, 14336, 20480,
3407 28672, 40960, 57344, 81920, 114688, 163840, 229376
3412 for (i = 0; i < NMTUS; ++i) {
3413 unsigned int mtu = mtus[i];
3414 unsigned int log2 = fls(mtu);
3416 if (!(mtu & ((1 << log2) >> 2))) /* round */
3418 t4_write_reg(adap, A_TP_MTU_TABLE, V_MTUINDEX(i) |
3419 V_MTUWIDTH(log2) | V_MTUVALUE(mtu));
3421 for (w = 0; w < NCCTRL_WIN; ++w) {
3424 inc = max(((mtu - 40) * alpha[w]) / avg_pkts[w],
3427 t4_write_reg(adap, A_TP_CCTRL_TABLE, (i << 21) |
3428 (w << 16) | (beta[w] << 13) | inc);
3434 * t4_set_pace_tbl - set the pace table
3435 * @adap: the adapter
3436 * @pace_vals: the pace values in microseconds
3437 * @start: index of the first entry in the HW pace table to set
3438 * @n: how many entries to set
3440 * Sets (a subset of the) HW pace table.
3442 int t4_set_pace_tbl(struct adapter *adap, const unsigned int *pace_vals,
3443 unsigned int start, unsigned int n)
3445 unsigned int vals[NTX_SCHED], i;
3446 unsigned int tick_ns = dack_ticks_to_usec(adap, 1000);
3451 /* convert values from us to dack ticks, rounding to closest value */
3452 for (i = 0; i < n; i++, pace_vals++) {
3453 vals[i] = (1000 * *pace_vals + tick_ns / 2) / tick_ns;
3454 if (vals[i] > 0x7ff)
3456 if (*pace_vals && vals[i] == 0)
3459 for (i = 0; i < n; i++, start++)
3460 t4_write_reg(adap, A_TP_PACE_TABLE, (start << 16) | vals[i]);
3465 * t4_set_sched_bps - set the bit rate for a HW traffic scheduler
3466 * @adap: the adapter
3467 * @kbps: target rate in Kbps
3468 * @sched: the scheduler index
3470 * Configure a Tx HW scheduler for the target rate.
3472 int t4_set_sched_bps(struct adapter *adap, int sched, unsigned int kbps)
3474 unsigned int v, tps, cpt, bpt, delta, mindelta = ~0;
3475 unsigned int clk = adap->params.vpd.cclk * 1000;
3476 unsigned int selected_cpt = 0, selected_bpt = 0;
3479 kbps *= 125; /* -> bytes */
3480 for (cpt = 1; cpt <= 255; cpt++) {
3482 bpt = (kbps + tps / 2) / tps;
3483 if (bpt > 0 && bpt <= 255) {
3485 delta = v >= kbps ? v - kbps : kbps - v;
3486 if (delta < mindelta) {
3491 } else if (selected_cpt)
3497 t4_write_reg(adap, A_TP_TM_PIO_ADDR,
3498 A_TP_TX_MOD_Q1_Q0_RATE_LIMIT - sched / 2);
3499 v = t4_read_reg(adap, A_TP_TM_PIO_DATA);
3501 v = (v & 0xffff) | (selected_cpt << 16) | (selected_bpt << 24);
3503 v = (v & 0xffff0000) | selected_cpt | (selected_bpt << 8);
3504 t4_write_reg(adap, A_TP_TM_PIO_DATA, v);
3509 * t4_set_sched_ipg - set the IPG for a Tx HW packet rate scheduler
3510 * @adap: the adapter
3511 * @sched: the scheduler index
3512 * @ipg: the interpacket delay in tenths of nanoseconds
3514 * Set the interpacket delay for a HW packet rate scheduler.
3516 int t4_set_sched_ipg(struct adapter *adap, int sched, unsigned int ipg)
3518 unsigned int v, addr = A_TP_TX_MOD_Q1_Q0_TIMER_SEPARATOR - sched / 2;
3520 /* convert ipg to nearest number of core clocks */
3521 ipg *= core_ticks_per_usec(adap);
3522 ipg = (ipg + 5000) / 10000;
3523 if (ipg > M_TXTIMERSEPQ0)
3526 t4_write_reg(adap, A_TP_TM_PIO_ADDR, addr);
3527 v = t4_read_reg(adap, A_TP_TM_PIO_DATA);
3529 v = (v & V_TXTIMERSEPQ0(M_TXTIMERSEPQ0)) | V_TXTIMERSEPQ1(ipg);
3531 v = (v & V_TXTIMERSEPQ1(M_TXTIMERSEPQ1)) | V_TXTIMERSEPQ0(ipg);
3532 t4_write_reg(adap, A_TP_TM_PIO_DATA, v);
3533 t4_read_reg(adap, A_TP_TM_PIO_DATA);
3538 * t4_get_tx_sched - get the configuration of a Tx HW traffic scheduler
3539 * @adap: the adapter
3540 * @sched: the scheduler index
3541 * @kbps: the byte rate in Kbps
3542 * @ipg: the interpacket delay in tenths of nanoseconds
3544 * Return the current configuration of a HW Tx scheduler.
3546 void t4_get_tx_sched(struct adapter *adap, unsigned int sched, unsigned int *kbps,
3549 unsigned int v, addr, bpt, cpt;
3552 addr = A_TP_TX_MOD_Q1_Q0_RATE_LIMIT - sched / 2;
3553 t4_write_reg(adap, A_TP_TM_PIO_ADDR, addr);
3554 v = t4_read_reg(adap, A_TP_TM_PIO_DATA);
3557 bpt = (v >> 8) & 0xff;
3560 *kbps = 0; /* scheduler disabled */
3562 v = (adap->params.vpd.cclk * 1000) / cpt; /* ticks/s */
3563 *kbps = (v * bpt) / 125;
3567 addr = A_TP_TX_MOD_Q1_Q0_TIMER_SEPARATOR - sched / 2;
3568 t4_write_reg(adap, A_TP_TM_PIO_ADDR, addr);
3569 v = t4_read_reg(adap, A_TP_TM_PIO_DATA);
3573 *ipg = (10000 * v) / core_ticks_per_usec(adap);
3578 * Calculates a rate in bytes/s given the number of 256-byte units per 4K core
3579 * clocks. The formula is
3581 * bytes/s = bytes256 * 256 * ClkFreq / 4096
3583 * which is equivalent to
3585 * bytes/s = 62.5 * bytes256 * ClkFreq_ms
3587 static u64 chan_rate(struct adapter *adap, unsigned int bytes256)
3589 u64 v = bytes256 * adap->params.vpd.cclk;
3591 return v * 62 + v / 2;
3595 * t4_get_chan_txrate - get the current per channel Tx rates
3596 * @adap: the adapter
3597 * @nic_rate: rates for NIC traffic
3598 * @ofld_rate: rates for offloaded traffic
3600 * Return the current Tx rates in bytes/s for NIC and offloaded traffic
3603 void t4_get_chan_txrate(struct adapter *adap, u64 *nic_rate, u64 *ofld_rate)
3607 v = t4_read_reg(adap, A_TP_TX_TRATE);
3608 nic_rate[0] = chan_rate(adap, G_TNLRATE0(v));
3609 nic_rate[1] = chan_rate(adap, G_TNLRATE1(v));
3610 nic_rate[2] = chan_rate(adap, G_TNLRATE2(v));
3611 nic_rate[3] = chan_rate(adap, G_TNLRATE3(v));
3613 v = t4_read_reg(adap, A_TP_TX_ORATE);
3614 ofld_rate[0] = chan_rate(adap, G_OFDRATE0(v));
3615 ofld_rate[1] = chan_rate(adap, G_OFDRATE1(v));
3616 ofld_rate[2] = chan_rate(adap, G_OFDRATE2(v));
3617 ofld_rate[3] = chan_rate(adap, G_OFDRATE3(v));
3621 * t4_set_trace_filter - configure one of the tracing filters
3622 * @adap: the adapter
3623 * @tp: the desired trace filter parameters
3624 * @idx: which filter to configure
3625 * @enable: whether to enable or disable the filter
3627 * Configures one of the tracing filters available in HW. If @tp is %NULL
3628 * it indicates that the filter is already written in the register and it
3629 * just needs to be enabled or disabled.
3631 int t4_set_trace_filter(struct adapter *adap, const struct trace_params *tp,
3632 int idx, int enable)
3634 int i, ofst = idx * 4;
3635 u32 data_reg, mask_reg, cfg;
3636 u32 multitrc = F_TRCMULTIFILTER;
3637 u32 en = is_t4(adap) ? F_TFEN : F_T5_TFEN;
3639 if (idx < 0 || idx >= NTRACE)
3642 if (tp == NULL || !enable) {
3643 t4_set_reg_field(adap, A_MPS_TRC_FILTER_MATCH_CTL_A + ofst, en,
3649 * TODO - After T4 data book is updated, specify the exact
3652 * See T4 data book - MPS section for a complete description
3653 * of the below if..else handling of A_MPS_TRC_CFG register
3656 cfg = t4_read_reg(adap, A_MPS_TRC_CFG);
3657 if (cfg & F_TRCMULTIFILTER) {
3659 * If multiple tracers are enabled, then maximum
3660 * capture size is 2.5KB (FIFO size of a single channel)
3661 * minus 2 flits for CPL_TRACE_PKT header.
3663 if (tp->snap_len > ((10 * 1024 / 4) - (2 * 8)))
3667 * If multiple tracers are disabled, to avoid deadlocks
3668 * maximum packet capture size of 9600 bytes is recommended.
3669 * Also in this mode, only trace0 can be enabled and running.
3672 if (tp->snap_len > 9600 || idx)
3676 if (tp->port > (is_t4(adap) ? 11 : 19) || tp->invert > 1 ||
3677 tp->skip_len > M_TFLENGTH || tp->skip_ofst > M_TFOFFSET ||
3678 tp->min_len > M_TFMINPKTSIZE)
3681 /* stop the tracer we'll be changing */
3682 t4_set_reg_field(adap, A_MPS_TRC_FILTER_MATCH_CTL_A + ofst, en, 0);
3684 idx *= (A_MPS_TRC_FILTER1_MATCH - A_MPS_TRC_FILTER0_MATCH);
3685 data_reg = A_MPS_TRC_FILTER0_MATCH + idx;
3686 mask_reg = A_MPS_TRC_FILTER0_DONT_CARE + idx;
3688 for (i = 0; i < TRACE_LEN / 4; i++, data_reg += 4, mask_reg += 4) {
3689 t4_write_reg(adap, data_reg, tp->data[i]);
3690 t4_write_reg(adap, mask_reg, ~tp->mask[i]);
3692 t4_write_reg(adap, A_MPS_TRC_FILTER_MATCH_CTL_B + ofst,
3693 V_TFCAPTUREMAX(tp->snap_len) |
3694 V_TFMINPKTSIZE(tp->min_len));
3695 t4_write_reg(adap, A_MPS_TRC_FILTER_MATCH_CTL_A + ofst,
3696 V_TFOFFSET(tp->skip_ofst) | V_TFLENGTH(tp->skip_len) | en |
3698 V_TFPORT(tp->port) | V_TFINVERTMATCH(tp->invert) :
3699 V_T5_TFPORT(tp->port) | V_T5_TFINVERTMATCH(tp->invert)));
3705 * t4_get_trace_filter - query one of the tracing filters
3706 * @adap: the adapter
3707 * @tp: the current trace filter parameters
3708 * @idx: which trace filter to query
3709 * @enabled: non-zero if the filter is enabled
3711 * Returns the current settings of one of the HW tracing filters.
3713 void t4_get_trace_filter(struct adapter *adap, struct trace_params *tp, int idx,
3717 int i, ofst = idx * 4;
3718 u32 data_reg, mask_reg;
3720 ctla = t4_read_reg(adap, A_MPS_TRC_FILTER_MATCH_CTL_A + ofst);
3721 ctlb = t4_read_reg(adap, A_MPS_TRC_FILTER_MATCH_CTL_B + ofst);
3724 *enabled = !!(ctla & F_TFEN);
3725 tp->port = G_TFPORT(ctla);
3726 tp->invert = !!(ctla & F_TFINVERTMATCH);
3728 *enabled = !!(ctla & F_T5_TFEN);
3729 tp->port = G_T5_TFPORT(ctla);
3730 tp->invert = !!(ctla & F_T5_TFINVERTMATCH);
3732 tp->snap_len = G_TFCAPTUREMAX(ctlb);
3733 tp->min_len = G_TFMINPKTSIZE(ctlb);
3734 tp->skip_ofst = G_TFOFFSET(ctla);
3735 tp->skip_len = G_TFLENGTH(ctla);
3737 ofst = (A_MPS_TRC_FILTER1_MATCH - A_MPS_TRC_FILTER0_MATCH) * idx;
3738 data_reg = A_MPS_TRC_FILTER0_MATCH + ofst;
3739 mask_reg = A_MPS_TRC_FILTER0_DONT_CARE + ofst;
3741 for (i = 0; i < TRACE_LEN / 4; i++, data_reg += 4, mask_reg += 4) {
3742 tp->mask[i] = ~t4_read_reg(adap, mask_reg);
3743 tp->data[i] = t4_read_reg(adap, data_reg) & tp->mask[i];
3748 * t4_pmtx_get_stats - returns the HW stats from PMTX
3749 * @adap: the adapter
3750 * @cnt: where to store the count statistics
3751 * @cycles: where to store the cycle statistics
3753 * Returns performance statistics from PMTX.
3755 void t4_pmtx_get_stats(struct adapter *adap, u32 cnt[], u64 cycles[])
3760 for (i = 0; i < PM_NSTATS; i++) {
3761 t4_write_reg(adap, A_PM_TX_STAT_CONFIG, i + 1);
3762 cnt[i] = t4_read_reg(adap, A_PM_TX_STAT_COUNT);
3764 cycles[i] = t4_read_reg64(adap, A_PM_TX_STAT_LSB);
3766 t4_read_indirect(adap, A_PM_TX_DBG_CTRL,
3767 A_PM_TX_DBG_DATA, data, 2,
3768 A_PM_TX_DBG_STAT_MSB);
3769 cycles[i] = (((u64)data[0] << 32) | data[1]);
3775 * t4_pmrx_get_stats - returns the HW stats from PMRX
3776 * @adap: the adapter
3777 * @cnt: where to store the count statistics
3778 * @cycles: where to store the cycle statistics
3780 * Returns performance statistics from PMRX.
3782 void t4_pmrx_get_stats(struct adapter *adap, u32 cnt[], u64 cycles[])
3787 for (i = 0; i < PM_NSTATS; i++) {
3788 t4_write_reg(adap, A_PM_RX_STAT_CONFIG, i + 1);
3789 cnt[i] = t4_read_reg(adap, A_PM_RX_STAT_COUNT);
3791 cycles[i] = t4_read_reg64(adap, A_PM_RX_STAT_LSB);
3793 t4_read_indirect(adap, A_PM_RX_DBG_CTRL,
3794 A_PM_RX_DBG_DATA, data, 2,
3795 A_PM_RX_DBG_STAT_MSB);
3796 cycles[i] = (((u64)data[0] << 32) | data[1]);
3802 * get_mps_bg_map - return the buffer groups associated with a port
3803 * @adap: the adapter
3804 * @idx: the port index
3806 * Returns a bitmap indicating which MPS buffer groups are associated
3807 * with the given port. Bit i is set if buffer group i is used by the
3810 static unsigned int get_mps_bg_map(struct adapter *adap, int idx)
3812 u32 n = G_NUMPORTS(t4_read_reg(adap, A_MPS_CMN_CTL));
3815 return idx == 0 ? 0xf : 0;
3817 return idx < 2 ? (3 << (2 * idx)) : 0;
3822 * t4_get_port_stats_offset - collect port stats relative to a previous
3824 * @adap: The adapter
3826 * @stats: Current stats to fill
3827 * @offset: Previous stats snapshot
3829 void t4_get_port_stats_offset(struct adapter *adap, int idx,
3830 struct port_stats *stats,
3831 struct port_stats *offset)
3836 t4_get_port_stats(adap, idx, stats);
3837 for (i = 0, s = (u64 *)stats, o = (u64 *)offset ;
3838 i < (sizeof(struct port_stats)/sizeof(u64)) ;
3844 * t4_get_port_stats - collect port statistics
3845 * @adap: the adapter
3846 * @idx: the port index
3847 * @p: the stats structure to fill
3849 * Collect statistics related to the given port from HW.
3851 void t4_get_port_stats(struct adapter *adap, int idx, struct port_stats *p)
3853 u32 bgmap = get_mps_bg_map(adap, idx);
3855 #define GET_STAT(name) \
3856 t4_read_reg64(adap, \
3857 (is_t4(adap) ? PORT_REG(idx, A_MPS_PORT_STAT_##name##_L) : \
3858 T5_PORT_REG(idx, A_MPS_PORT_STAT_##name##_L)))
3859 #define GET_STAT_COM(name) t4_read_reg64(adap, A_MPS_STAT_##name##_L)
3861 p->tx_pause = GET_STAT(TX_PORT_PAUSE);
3862 p->tx_octets = GET_STAT(TX_PORT_BYTES);
3863 p->tx_frames = GET_STAT(TX_PORT_FRAMES);
3864 p->tx_bcast_frames = GET_STAT(TX_PORT_BCAST);
3865 p->tx_mcast_frames = GET_STAT(TX_PORT_MCAST);
3866 p->tx_ucast_frames = GET_STAT(TX_PORT_UCAST);
3867 p->tx_error_frames = GET_STAT(TX_PORT_ERROR);
3868 p->tx_frames_64 = GET_STAT(TX_PORT_64B);
3869 p->tx_frames_65_127 = GET_STAT(TX_PORT_65B_127B);
3870 p->tx_frames_128_255 = GET_STAT(TX_PORT_128B_255B);
3871 p->tx_frames_256_511 = GET_STAT(TX_PORT_256B_511B);
3872 p->tx_frames_512_1023 = GET_STAT(TX_PORT_512B_1023B);
3873 p->tx_frames_1024_1518 = GET_STAT(TX_PORT_1024B_1518B);
3874 p->tx_frames_1519_max = GET_STAT(TX_PORT_1519B_MAX);
3875 p->tx_drop = GET_STAT(TX_PORT_DROP);
3876 p->tx_ppp0 = GET_STAT(TX_PORT_PPP0);
3877 p->tx_ppp1 = GET_STAT(TX_PORT_PPP1);
3878 p->tx_ppp2 = GET_STAT(TX_PORT_PPP2);
3879 p->tx_ppp3 = GET_STAT(TX_PORT_PPP3);
3880 p->tx_ppp4 = GET_STAT(TX_PORT_PPP4);
3881 p->tx_ppp5 = GET_STAT(TX_PORT_PPP5);
3882 p->tx_ppp6 = GET_STAT(TX_PORT_PPP6);
3883 p->tx_ppp7 = GET_STAT(TX_PORT_PPP7);
3885 p->rx_pause = GET_STAT(RX_PORT_PAUSE);
3886 p->rx_octets = GET_STAT(RX_PORT_BYTES);
3887 p->rx_frames = GET_STAT(RX_PORT_FRAMES);
3888 p->rx_bcast_frames = GET_STAT(RX_PORT_BCAST);
3889 p->rx_mcast_frames = GET_STAT(RX_PORT_MCAST);
3890 p->rx_ucast_frames = GET_STAT(RX_PORT_UCAST);
3891 p->rx_too_long = GET_STAT(RX_PORT_MTU_ERROR);
3892 p->rx_jabber = GET_STAT(RX_PORT_MTU_CRC_ERROR);
3893 p->rx_fcs_err = GET_STAT(RX_PORT_CRC_ERROR);
3894 p->rx_len_err = GET_STAT(RX_PORT_LEN_ERROR);
3895 p->rx_symbol_err = GET_STAT(RX_PORT_SYM_ERROR);
3896 p->rx_runt = GET_STAT(RX_PORT_LESS_64B);
3897 p->rx_frames_64 = GET_STAT(RX_PORT_64B);
3898 p->rx_frames_65_127 = GET_STAT(RX_PORT_65B_127B);
3899 p->rx_frames_128_255 = GET_STAT(RX_PORT_128B_255B);
3900 p->rx_frames_256_511 = GET_STAT(RX_PORT_256B_511B);
3901 p->rx_frames_512_1023 = GET_STAT(RX_PORT_512B_1023B);
3902 p->rx_frames_1024_1518 = GET_STAT(RX_PORT_1024B_1518B);
3903 p->rx_frames_1519_max = GET_STAT(RX_PORT_1519B_MAX);
3904 p->rx_ppp0 = GET_STAT(RX_PORT_PPP0);
3905 p->rx_ppp1 = GET_STAT(RX_PORT_PPP1);
3906 p->rx_ppp2 = GET_STAT(RX_PORT_PPP2);
3907 p->rx_ppp3 = GET_STAT(RX_PORT_PPP3);
3908 p->rx_ppp4 = GET_STAT(RX_PORT_PPP4);
3909 p->rx_ppp5 = GET_STAT(RX_PORT_PPP5);
3910 p->rx_ppp6 = GET_STAT(RX_PORT_PPP6);
3911 p->rx_ppp7 = GET_STAT(RX_PORT_PPP7);
3913 p->rx_ovflow0 = (bgmap & 1) ? GET_STAT_COM(RX_BG_0_MAC_DROP_FRAME) : 0;
3914 p->rx_ovflow1 = (bgmap & 2) ? GET_STAT_COM(RX_BG_1_MAC_DROP_FRAME) : 0;
3915 p->rx_ovflow2 = (bgmap & 4) ? GET_STAT_COM(RX_BG_2_MAC_DROP_FRAME) : 0;
3916 p->rx_ovflow3 = (bgmap & 8) ? GET_STAT_COM(RX_BG_3_MAC_DROP_FRAME) : 0;
3917 p->rx_trunc0 = (bgmap & 1) ? GET_STAT_COM(RX_BG_0_MAC_TRUNC_FRAME) : 0;
3918 p->rx_trunc1 = (bgmap & 2) ? GET_STAT_COM(RX_BG_1_MAC_TRUNC_FRAME) : 0;
3919 p->rx_trunc2 = (bgmap & 4) ? GET_STAT_COM(RX_BG_2_MAC_TRUNC_FRAME) : 0;
3920 p->rx_trunc3 = (bgmap & 8) ? GET_STAT_COM(RX_BG_3_MAC_TRUNC_FRAME) : 0;
3927 * t4_clr_port_stats - clear port statistics
3928 * @adap: the adapter
3929 * @idx: the port index
3931 * Clear HW statistics for the given port.
3933 void t4_clr_port_stats(struct adapter *adap, int idx)
3936 u32 bgmap = get_mps_bg_map(adap, idx);
3940 port_base_addr = PORT_BASE(idx);
3942 port_base_addr = T5_PORT_BASE(idx);
3944 for (i = A_MPS_PORT_STAT_TX_PORT_BYTES_L;
3945 i <= A_MPS_PORT_STAT_TX_PORT_PPP7_H; i += 8)
3946 t4_write_reg(adap, port_base_addr + i, 0);
3947 for (i = A_MPS_PORT_STAT_RX_PORT_BYTES_L;
3948 i <= A_MPS_PORT_STAT_RX_PORT_LESS_64B_H; i += 8)
3949 t4_write_reg(adap, port_base_addr + i, 0);
3950 for (i = 0; i < 4; i++)
3951 if (bgmap & (1 << i)) {
3953 A_MPS_STAT_RX_BG_0_MAC_DROP_FRAME_L + i * 8, 0);
3955 A_MPS_STAT_RX_BG_0_MAC_TRUNC_FRAME_L + i * 8, 0);
3960 * t4_get_lb_stats - collect loopback port statistics
3961 * @adap: the adapter
3962 * @idx: the loopback port index
3963 * @p: the stats structure to fill
3965 * Return HW statistics for the given loopback port.
3967 void t4_get_lb_stats(struct adapter *adap, int idx, struct lb_port_stats *p)
3969 u32 bgmap = get_mps_bg_map(adap, idx);
3971 #define GET_STAT(name) \
3972 t4_read_reg64(adap, \
3974 PORT_REG(idx, A_MPS_PORT_STAT_LB_PORT_##name##_L) : \
3975 T5_PORT_REG(idx, A_MPS_PORT_STAT_LB_PORT_##name##_L)))
3976 #define GET_STAT_COM(name) t4_read_reg64(adap, A_MPS_STAT_##name##_L)
3978 p->octets = GET_STAT(BYTES);
3979 p->frames = GET_STAT(FRAMES);
3980 p->bcast_frames = GET_STAT(BCAST);
3981 p->mcast_frames = GET_STAT(MCAST);
3982 p->ucast_frames = GET_STAT(UCAST);
3983 p->error_frames = GET_STAT(ERROR);
3985 p->frames_64 = GET_STAT(64B);
3986 p->frames_65_127 = GET_STAT(65B_127B);
3987 p->frames_128_255 = GET_STAT(128B_255B);
3988 p->frames_256_511 = GET_STAT(256B_511B);
3989 p->frames_512_1023 = GET_STAT(512B_1023B);
3990 p->frames_1024_1518 = GET_STAT(1024B_1518B);
3991 p->frames_1519_max = GET_STAT(1519B_MAX);
3992 p->drop = GET_STAT(DROP_FRAMES);
3994 p->ovflow0 = (bgmap & 1) ? GET_STAT_COM(RX_BG_0_LB_DROP_FRAME) : 0;
3995 p->ovflow1 = (bgmap & 2) ? GET_STAT_COM(RX_BG_1_LB_DROP_FRAME) : 0;
3996 p->ovflow2 = (bgmap & 4) ? GET_STAT_COM(RX_BG_2_LB_DROP_FRAME) : 0;
3997 p->ovflow3 = (bgmap & 8) ? GET_STAT_COM(RX_BG_3_LB_DROP_FRAME) : 0;
3998 p->trunc0 = (bgmap & 1) ? GET_STAT_COM(RX_BG_0_LB_TRUNC_FRAME) : 0;
3999 p->trunc1 = (bgmap & 2) ? GET_STAT_COM(RX_BG_1_LB_TRUNC_FRAME) : 0;
4000 p->trunc2 = (bgmap & 4) ? GET_STAT_COM(RX_BG_2_LB_TRUNC_FRAME) : 0;
4001 p->trunc3 = (bgmap & 8) ? GET_STAT_COM(RX_BG_3_LB_TRUNC_FRAME) : 0;
4008 * t4_wol_magic_enable - enable/disable magic packet WoL
4009 * @adap: the adapter
4010 * @port: the physical port index
4011 * @addr: MAC address expected in magic packets, %NULL to disable
4013 * Enables/disables magic packet wake-on-LAN for the selected port.
4015 void t4_wol_magic_enable(struct adapter *adap, unsigned int port,
4018 u32 mag_id_reg_l, mag_id_reg_h, port_cfg_reg;
4021 mag_id_reg_l = PORT_REG(port, A_XGMAC_PORT_MAGIC_MACID_LO);
4022 mag_id_reg_h = PORT_REG(port, A_XGMAC_PORT_MAGIC_MACID_HI);
4023 port_cfg_reg = PORT_REG(port, A_XGMAC_PORT_CFG2);
4025 mag_id_reg_l = T5_PORT_REG(port, A_MAC_PORT_MAGIC_MACID_LO);
4026 mag_id_reg_h = T5_PORT_REG(port, A_MAC_PORT_MAGIC_MACID_HI);
4027 port_cfg_reg = T5_PORT_REG(port, A_MAC_PORT_CFG2);
4031 t4_write_reg(adap, mag_id_reg_l,
4032 (addr[2] << 24) | (addr[3] << 16) |
4033 (addr[4] << 8) | addr[5]);
4034 t4_write_reg(adap, mag_id_reg_h,
4035 (addr[0] << 8) | addr[1]);
4037 t4_set_reg_field(adap, port_cfg_reg, F_MAGICEN,
4038 V_MAGICEN(addr != NULL));
4042 * t4_wol_pat_enable - enable/disable pattern-based WoL
4043 * @adap: the adapter
4044 * @port: the physical port index
4045 * @map: bitmap of which HW pattern filters to set
4046 * @mask0: byte mask for bytes 0-63 of a packet
4047 * @mask1: byte mask for bytes 64-127 of a packet
4048 * @crc: Ethernet CRC for selected bytes
4049 * @enable: enable/disable switch
4051 * Sets the pattern filters indicated in @map to mask out the bytes
4052 * specified in @mask0/@mask1 in received packets and compare the CRC of
4053 * the resulting packet against @crc. If @enable is %true pattern-based
4054 * WoL is enabled, otherwise disabled.
4056 int t4_wol_pat_enable(struct adapter *adap, unsigned int port, unsigned int map,
4057 u64 mask0, u64 mask1, unsigned int crc, bool enable)
4063 port_cfg_reg = PORT_REG(port, A_XGMAC_PORT_CFG2);
4065 port_cfg_reg = T5_PORT_REG(port, A_MAC_PORT_CFG2);
4068 t4_set_reg_field(adap, port_cfg_reg, F_PATEN, 0);
4074 #define EPIO_REG(name) \
4075 (is_t4(adap) ? PORT_REG(port, A_XGMAC_PORT_EPIO_##name) : \
4076 T5_PORT_REG(port, A_MAC_PORT_EPIO_##name))
4078 t4_write_reg(adap, EPIO_REG(DATA1), mask0 >> 32);
4079 t4_write_reg(adap, EPIO_REG(DATA2), mask1);
4080 t4_write_reg(adap, EPIO_REG(DATA3), mask1 >> 32);
4082 for (i = 0; i < NWOL_PAT; i++, map >>= 1) {
4086 /* write byte masks */
4087 t4_write_reg(adap, EPIO_REG(DATA0), mask0);
4088 t4_write_reg(adap, EPIO_REG(OP), V_ADDRESS(i) | F_EPIOWR);
4089 t4_read_reg(adap, EPIO_REG(OP)); /* flush */
4090 if (t4_read_reg(adap, EPIO_REG(OP)) & F_BUSY)
4094 t4_write_reg(adap, EPIO_REG(DATA0), crc);
4095 t4_write_reg(adap, EPIO_REG(OP), V_ADDRESS(i + 32) | F_EPIOWR);
4096 t4_read_reg(adap, EPIO_REG(OP)); /* flush */
4097 if (t4_read_reg(adap, EPIO_REG(OP)) & F_BUSY)
4102 t4_set_reg_field(adap, port_cfg_reg, 0, F_PATEN);
4107 * t4_mk_filtdelwr - create a delete filter WR
4108 * @ftid: the filter ID
4109 * @wr: the filter work request to populate
4110 * @qid: ingress queue to receive the delete notification
4112 * Creates a filter work request to delete the supplied filter. If @qid is
4113 * negative the delete notification is suppressed.
4115 void t4_mk_filtdelwr(unsigned int ftid, struct fw_filter_wr *wr, int qid)
4117 memset(wr, 0, sizeof(*wr));
4118 wr->op_pkd = htonl(V_FW_WR_OP(FW_FILTER_WR));
4119 wr->len16_pkd = htonl(V_FW_WR_LEN16(sizeof(*wr) / 16));
4120 wr->tid_to_iq = htonl(V_FW_FILTER_WR_TID(ftid) |
4121 V_FW_FILTER_WR_NOREPLY(qid < 0));
4122 wr->del_filter_to_l2tix = htonl(F_FW_FILTER_WR_DEL_FILTER);
4124 wr->rx_chan_rx_rpl_iq = htons(V_FW_FILTER_WR_RX_RPL_IQ(qid));
4127 #define INIT_CMD(var, cmd, rd_wr) do { \
4128 (var).op_to_write = htonl(V_FW_CMD_OP(FW_##cmd##_CMD) | \
4129 F_FW_CMD_REQUEST | F_FW_CMD_##rd_wr); \
4130 (var).retval_len16 = htonl(FW_LEN16(var)); \
4133 int t4_fwaddrspace_write(struct adapter *adap, unsigned int mbox, u32 addr, u32 val)
4135 struct fw_ldst_cmd c;
4137 memset(&c, 0, sizeof(c));
4138 c.op_to_addrspace = htonl(V_FW_CMD_OP(FW_LDST_CMD) | F_FW_CMD_REQUEST |
4139 F_FW_CMD_WRITE | V_FW_LDST_CMD_ADDRSPACE(FW_LDST_ADDRSPC_FIRMWARE));
4140 c.cycles_to_len16 = htonl(FW_LEN16(c));
4141 c.u.addrval.addr = htonl(addr);
4142 c.u.addrval.val = htonl(val);
4144 return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL);
4148 * t4_i2c_rd - read a byte from an i2c addressable device
4149 * @adap: the adapter
4150 * @mbox: mailbox to use for the FW command
4151 * @port_id: the port id
4152 * @dev_addr: the i2c device address
4153 * @offset: the byte offset to read from
4154 * @valp: where to store the value
4156 int t4_i2c_rd(struct adapter *adap, unsigned int mbox, unsigned int port_id,
4157 u8 dev_addr, u8 offset, u8 *valp)
4160 struct fw_ldst_cmd c;
4162 memset(&c, 0, sizeof(c));
4163 c.op_to_addrspace = htonl(V_FW_CMD_OP(FW_LDST_CMD) | F_FW_CMD_REQUEST |
4165 V_FW_LDST_CMD_ADDRSPACE(FW_LDST_ADDRSPC_FUNC_I2C));
4166 c.cycles_to_len16 = htonl(FW_LEN16(c));
4167 c.u.i2c_deprecated.pid_pkd = V_FW_LDST_CMD_PID(port_id);
4168 c.u.i2c_deprecated.base = dev_addr;
4169 c.u.i2c_deprecated.boffset = offset;
4171 ret = t4_wr_mbox(adap, mbox, &c, sizeof(c), &c);
4173 *valp = c.u.i2c_deprecated.data;
4178 * t4_mdio_rd - read a PHY register through MDIO
4179 * @adap: the adapter
4180 * @mbox: mailbox to use for the FW command
4181 * @phy_addr: the PHY address
4182 * @mmd: the PHY MMD to access (0 for clause 22 PHYs)
4183 * @reg: the register to read
4184 * @valp: where to store the value
4186 * Issues a FW command through the given mailbox to read a PHY register.
4188 int t4_mdio_rd(struct adapter *adap, unsigned int mbox, unsigned int phy_addr,
4189 unsigned int mmd, unsigned int reg, unsigned int *valp)
4192 struct fw_ldst_cmd c;
4194 memset(&c, 0, sizeof(c));
4195 c.op_to_addrspace = htonl(V_FW_CMD_OP(FW_LDST_CMD) | F_FW_CMD_REQUEST |
4196 F_FW_CMD_READ | V_FW_LDST_CMD_ADDRSPACE(FW_LDST_ADDRSPC_MDIO));
4197 c.cycles_to_len16 = htonl(FW_LEN16(c));
4198 c.u.mdio.paddr_mmd = htons(V_FW_LDST_CMD_PADDR(phy_addr) |
4199 V_FW_LDST_CMD_MMD(mmd));
4200 c.u.mdio.raddr = htons(reg);
4202 ret = t4_wr_mbox(adap, mbox, &c, sizeof(c), &c);
4204 *valp = ntohs(c.u.mdio.rval);
4209 * t4_mdio_wr - write a PHY register through MDIO
4210 * @adap: the adapter
4211 * @mbox: mailbox to use for the FW command
4212 * @phy_addr: the PHY address
4213 * @mmd: the PHY MMD to access (0 for clause 22 PHYs)
4214 * @reg: the register to write
4215 * @valp: value to write
4217 * Issues a FW command through the given mailbox to write a PHY register.
4219 int t4_mdio_wr(struct adapter *adap, unsigned int mbox, unsigned int phy_addr,
4220 unsigned int mmd, unsigned int reg, unsigned int val)
4222 struct fw_ldst_cmd c;
4224 memset(&c, 0, sizeof(c));
4225 c.op_to_addrspace = htonl(V_FW_CMD_OP(FW_LDST_CMD) | F_FW_CMD_REQUEST |
4226 F_FW_CMD_WRITE | V_FW_LDST_CMD_ADDRSPACE(FW_LDST_ADDRSPC_MDIO));
4227 c.cycles_to_len16 = htonl(FW_LEN16(c));
4228 c.u.mdio.paddr_mmd = htons(V_FW_LDST_CMD_PADDR(phy_addr) |
4229 V_FW_LDST_CMD_MMD(mmd));
4230 c.u.mdio.raddr = htons(reg);
4231 c.u.mdio.rval = htons(val);
4233 return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL);
4237 * t4_sge_ctxt_flush - flush the SGE context cache
4238 * @adap: the adapter
4239 * @mbox: mailbox to use for the FW command
4241 * Issues a FW command through the given mailbox to flush the
4242 * SGE context cache.
4244 int t4_sge_ctxt_flush(struct adapter *adap, unsigned int mbox)
4247 struct fw_ldst_cmd c;
4249 memset(&c, 0, sizeof(c));
4250 c.op_to_addrspace = htonl(V_FW_CMD_OP(FW_LDST_CMD) | F_FW_CMD_REQUEST |
4252 V_FW_LDST_CMD_ADDRSPACE(FW_LDST_ADDRSPC_SGE_EGRC));
4253 c.cycles_to_len16 = htonl(FW_LEN16(c));
4254 c.u.idctxt.msg_ctxtflush = htonl(F_FW_LDST_CMD_CTXTFLUSH);
4256 ret = t4_wr_mbox(adap, mbox, &c, sizeof(c), &c);
4261 * t4_sge_ctxt_rd - read an SGE context through FW
4262 * @adap: the adapter
4263 * @mbox: mailbox to use for the FW command
4264 * @cid: the context id
4265 * @ctype: the context type
4266 * @data: where to store the context data
4268 * Issues a FW command through the given mailbox to read an SGE context.
4270 int t4_sge_ctxt_rd(struct adapter *adap, unsigned int mbox, unsigned int cid,
4271 enum ctxt_type ctype, u32 *data)
4274 struct fw_ldst_cmd c;
4276 if (ctype == CTXT_EGRESS)
4277 ret = FW_LDST_ADDRSPC_SGE_EGRC;
4278 else if (ctype == CTXT_INGRESS)
4279 ret = FW_LDST_ADDRSPC_SGE_INGC;
4280 else if (ctype == CTXT_FLM)
4281 ret = FW_LDST_ADDRSPC_SGE_FLMC;
4283 ret = FW_LDST_ADDRSPC_SGE_CONMC;
4285 memset(&c, 0, sizeof(c));
4286 c.op_to_addrspace = htonl(V_FW_CMD_OP(FW_LDST_CMD) | F_FW_CMD_REQUEST |
4287 F_FW_CMD_READ | V_FW_LDST_CMD_ADDRSPACE(ret));
4288 c.cycles_to_len16 = htonl(FW_LEN16(c));
4289 c.u.idctxt.physid = htonl(cid);
4291 ret = t4_wr_mbox(adap, mbox, &c, sizeof(c), &c);
4293 data[0] = ntohl(c.u.idctxt.ctxt_data0);
4294 data[1] = ntohl(c.u.idctxt.ctxt_data1);
4295 data[2] = ntohl(c.u.idctxt.ctxt_data2);
4296 data[3] = ntohl(c.u.idctxt.ctxt_data3);
4297 data[4] = ntohl(c.u.idctxt.ctxt_data4);
4298 data[5] = ntohl(c.u.idctxt.ctxt_data5);
4304 * t4_sge_ctxt_rd_bd - read an SGE context bypassing FW
4305 * @adap: the adapter
4306 * @cid: the context id
4307 * @ctype: the context type
4308 * @data: where to store the context data
4310 * Reads an SGE context directly, bypassing FW. This is only for
4311 * debugging when FW is unavailable.
4313 int t4_sge_ctxt_rd_bd(struct adapter *adap, unsigned int cid, enum ctxt_type ctype,
4318 t4_write_reg(adap, A_SGE_CTXT_CMD, V_CTXTQID(cid) | V_CTXTTYPE(ctype));
4319 ret = t4_wait_op_done(adap, A_SGE_CTXT_CMD, F_BUSY, 0, 3, 1);
4321 for (i = A_SGE_CTXT_DATA0; i <= A_SGE_CTXT_DATA5; i += 4)
4322 *data++ = t4_read_reg(adap, i);
4327 * t4_fw_hello - establish communication with FW
4328 * @adap: the adapter
4329 * @mbox: mailbox to use for the FW command
4330 * @evt_mbox: mailbox to receive async FW events
4331 * @master: specifies the caller's willingness to be the device master
4332 * @state: returns the current device state (if non-NULL)
4334 * Issues a command to establish communication with FW. Returns either
4335 * an error (negative integer) or the mailbox of the Master PF.
4337 int t4_fw_hello(struct adapter *adap, unsigned int mbox, unsigned int evt_mbox,
4338 enum dev_master master, enum dev_state *state)
4341 struct fw_hello_cmd c;
4343 unsigned int master_mbox;
4344 int retries = FW_CMD_HELLO_RETRIES;
4347 memset(&c, 0, sizeof(c));
4348 INIT_CMD(c, HELLO, WRITE);
4349 c.err_to_clearinit = htonl(
4350 V_FW_HELLO_CMD_MASTERDIS(master == MASTER_CANT) |
4351 V_FW_HELLO_CMD_MASTERFORCE(master == MASTER_MUST) |
4352 V_FW_HELLO_CMD_MBMASTER(master == MASTER_MUST ? mbox :
4353 M_FW_HELLO_CMD_MBMASTER) |
4354 V_FW_HELLO_CMD_MBASYNCNOT(evt_mbox) |
4355 V_FW_HELLO_CMD_STAGE(FW_HELLO_CMD_STAGE_OS) |
4356 F_FW_HELLO_CMD_CLEARINIT);
4359 * Issue the HELLO command to the firmware. If it's not successful
4360 * but indicates that we got a "busy" or "timeout" condition, retry
4361 * the HELLO until we exhaust our retry limit. If we do exceed our
4362 * retry limit, check to see if the firmware left us any error
4363 * information and report that if so ...
4365 ret = t4_wr_mbox(adap, mbox, &c, sizeof(c), &c);
4366 if (ret != FW_SUCCESS) {
4367 if ((ret == -EBUSY || ret == -ETIMEDOUT) && retries-- > 0)
4369 if (t4_read_reg(adap, A_PCIE_FW) & F_PCIE_FW_ERR)
4370 t4_report_fw_error(adap);
4374 v = ntohl(c.err_to_clearinit);
4375 master_mbox = G_FW_HELLO_CMD_MBMASTER(v);
4377 if (v & F_FW_HELLO_CMD_ERR)
4378 *state = DEV_STATE_ERR;
4379 else if (v & F_FW_HELLO_CMD_INIT)
4380 *state = DEV_STATE_INIT;
4382 *state = DEV_STATE_UNINIT;
4386 * If we're not the Master PF then we need to wait around for the
4387 * Master PF Driver to finish setting up the adapter.
4389 * Note that we also do this wait if we're a non-Master-capable PF and
4390 * there is no current Master PF; a Master PF may show up momentarily
4391 * and we wouldn't want to fail pointlessly. (This can happen when an
4392 * OS loads lots of different drivers rapidly at the same time). In
4393 * this case, the Master PF returned by the firmware will be
4394 * M_PCIE_FW_MASTER so the test below will work ...
4396 if ((v & (F_FW_HELLO_CMD_ERR|F_FW_HELLO_CMD_INIT)) == 0 &&
4397 master_mbox != mbox) {
4398 int waiting = FW_CMD_HELLO_TIMEOUT;
4401 * Wait for the firmware to either indicate an error or
4402 * initialized state. If we see either of these we bail out
4403 * and report the issue to the caller. If we exhaust the
4404 * "hello timeout" and we haven't exhausted our retries, try
4405 * again. Otherwise bail with a timeout error.
4414 * If neither Error nor Initialialized are indicated
4415 * by the firmware keep waiting till we exhaust our
4416 * timeout ... and then retry if we haven't exhausted
4419 pcie_fw = t4_read_reg(adap, A_PCIE_FW);
4420 if (!(pcie_fw & (F_PCIE_FW_ERR|F_PCIE_FW_INIT))) {
4431 * We either have an Error or Initialized condition
4432 * report errors preferentially.
4435 if (pcie_fw & F_PCIE_FW_ERR)
4436 *state = DEV_STATE_ERR;
4437 else if (pcie_fw & F_PCIE_FW_INIT)
4438 *state = DEV_STATE_INIT;
4442 * If we arrived before a Master PF was selected and
4443 * there's not a valid Master PF, grab its identity
4446 if (master_mbox == M_PCIE_FW_MASTER &&
4447 (pcie_fw & F_PCIE_FW_MASTER_VLD))
4448 master_mbox = G_PCIE_FW_MASTER(pcie_fw);
4457 * t4_fw_bye - end communication with FW
4458 * @adap: the adapter
4459 * @mbox: mailbox to use for the FW command
4461 * Issues a command to terminate communication with FW.
4463 int t4_fw_bye(struct adapter *adap, unsigned int mbox)
4465 struct fw_bye_cmd c;
4467 memset(&c, 0, sizeof(c));
4468 INIT_CMD(c, BYE, WRITE);
4469 return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL);
4473 * t4_fw_reset - issue a reset to FW
4474 * @adap: the adapter
4475 * @mbox: mailbox to use for the FW command
4476 * @reset: specifies the type of reset to perform
4478 * Issues a reset command of the specified type to FW.
4480 int t4_fw_reset(struct adapter *adap, unsigned int mbox, int reset)
4482 struct fw_reset_cmd c;
4484 memset(&c, 0, sizeof(c));
4485 INIT_CMD(c, RESET, WRITE);
4486 c.val = htonl(reset);
4487 return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL);
4491 * t4_fw_halt - issue a reset/halt to FW and put uP into RESET
4492 * @adap: the adapter
4493 * @mbox: mailbox to use for the FW RESET command (if desired)
4494 * @force: force uP into RESET even if FW RESET command fails
4496 * Issues a RESET command to firmware (if desired) with a HALT indication
4497 * and then puts the microprocessor into RESET state. The RESET command
4498 * will only be issued if a legitimate mailbox is provided (mbox <=
4499 * M_PCIE_FW_MASTER).
4501 * This is generally used in order for the host to safely manipulate the
4502 * adapter without fear of conflicting with whatever the firmware might
4503 * be doing. The only way out of this state is to RESTART the firmware
4506 int t4_fw_halt(struct adapter *adap, unsigned int mbox, int force)
4511 * If a legitimate mailbox is provided, issue a RESET command
4512 * with a HALT indication.
4514 if (mbox <= M_PCIE_FW_MASTER) {
4515 struct fw_reset_cmd c;
4517 memset(&c, 0, sizeof(c));
4518 INIT_CMD(c, RESET, WRITE);
4519 c.val = htonl(F_PIORST | F_PIORSTMODE);
4520 c.halt_pkd = htonl(F_FW_RESET_CMD_HALT);
4521 ret = t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL);
4525 * Normally we won't complete the operation if the firmware RESET
4526 * command fails but if our caller insists we'll go ahead and put the
4527 * uP into RESET. This can be useful if the firmware is hung or even
4528 * missing ... We'll have to take the risk of putting the uP into
4529 * RESET without the cooperation of firmware in that case.
4531 * We also force the firmware's HALT flag to be on in case we bypassed
4532 * the firmware RESET command above or we're dealing with old firmware
4533 * which doesn't have the HALT capability. This will serve as a flag
4534 * for the incoming firmware to know that it's coming out of a HALT
4535 * rather than a RESET ... if it's new enough to understand that ...
4537 if (ret == 0 || force) {
4538 t4_set_reg_field(adap, A_CIM_BOOT_CFG, F_UPCRST, F_UPCRST);
4539 t4_set_reg_field(adap, A_PCIE_FW, F_PCIE_FW_HALT, F_PCIE_FW_HALT);
4543 * And we always return the result of the firmware RESET command
4544 * even when we force the uP into RESET ...
4550 * t4_fw_restart - restart the firmware by taking the uP out of RESET
4551 * @adap: the adapter
4552 * @reset: if we want to do a RESET to restart things
4554 * Restart firmware previously halted by t4_fw_halt(). On successful
4555 * return the previous PF Master remains as the new PF Master and there
4556 * is no need to issue a new HELLO command, etc.
4558 * We do this in two ways:
4560 * 1. If we're dealing with newer firmware we'll simply want to take
4561 * the chip's microprocessor out of RESET. This will cause the
4562 * firmware to start up from its start vector. And then we'll loop
4563 * until the firmware indicates it's started again (PCIE_FW.HALT
4564 * reset to 0) or we timeout.
4566 * 2. If we're dealing with older firmware then we'll need to RESET
4567 * the chip since older firmware won't recognize the PCIE_FW.HALT
4568 * flag and automatically RESET itself on startup.
4570 int t4_fw_restart(struct adapter *adap, unsigned int mbox, int reset)
4574 * Since we're directing the RESET instead of the firmware
4575 * doing it automatically, we need to clear the PCIE_FW.HALT
4578 t4_set_reg_field(adap, A_PCIE_FW, F_PCIE_FW_HALT, 0);
4581 * If we've been given a valid mailbox, first try to get the
4582 * firmware to do the RESET. If that works, great and we can
4583 * return success. Otherwise, if we haven't been given a
4584 * valid mailbox or the RESET command failed, fall back to
4585 * hitting the chip with a hammer.
4587 if (mbox <= M_PCIE_FW_MASTER) {
4588 t4_set_reg_field(adap, A_CIM_BOOT_CFG, F_UPCRST, 0);
4590 if (t4_fw_reset(adap, mbox,
4591 F_PIORST | F_PIORSTMODE) == 0)
4595 t4_write_reg(adap, A_PL_RST, F_PIORST | F_PIORSTMODE);
4600 t4_set_reg_field(adap, A_CIM_BOOT_CFG, F_UPCRST, 0);
4601 for (ms = 0; ms < FW_CMD_MAX_TIMEOUT; ) {
4602 if (!(t4_read_reg(adap, A_PCIE_FW) & F_PCIE_FW_HALT))
4613 * t4_fw_upgrade - perform all of the steps necessary to upgrade FW
4614 * @adap: the adapter
4615 * @mbox: mailbox to use for the FW RESET command (if desired)
4616 * @fw_data: the firmware image to write
4618 * @force: force upgrade even if firmware doesn't cooperate
4620 * Perform all of the steps necessary for upgrading an adapter's
4621 * firmware image. Normally this requires the cooperation of the
4622 * existing firmware in order to halt all existing activities
4623 * but if an invalid mailbox token is passed in we skip that step
4624 * (though we'll still put the adapter microprocessor into RESET in
4627 * On successful return the new firmware will have been loaded and
4628 * the adapter will have been fully RESET losing all previous setup
4629 * state. On unsuccessful return the adapter may be completely hosed ...
4630 * positive errno indicates that the adapter is ~probably~ intact, a
4631 * negative errno indicates that things are looking bad ...
4633 int t4_fw_upgrade(struct adapter *adap, unsigned int mbox,
4634 const u8 *fw_data, unsigned int size, int force)
4636 const struct fw_hdr *fw_hdr = (const struct fw_hdr *)fw_data;
4637 unsigned int bootstrap = ntohl(fw_hdr->magic) == FW_HDR_MAGIC_BOOTSTRAP;
4641 ret = t4_fw_halt(adap, mbox, force);
4642 if (ret < 0 && !force)
4646 ret = t4_load_fw(adap, fw_data, size);
4647 if (ret < 0 || bootstrap)
4651 * Older versions of the firmware don't understand the new
4652 * PCIE_FW.HALT flag and so won't know to perform a RESET when they
4653 * restart. So for newly loaded older firmware we'll have to do the
4654 * RESET for it so it starts up on a clean slate. We can tell if
4655 * the newly loaded firmware will handle this right by checking
4656 * its header flags to see if it advertises the capability.
4658 reset = ((ntohl(fw_hdr->flags) & FW_HDR_FLAGS_RESET_HALT) == 0);
4659 return t4_fw_restart(adap, mbox, reset);
4663 * t4_fw_initialize - ask FW to initialize the device
4664 * @adap: the adapter
4665 * @mbox: mailbox to use for the FW command
4667 * Issues a command to FW to partially initialize the device. This
4668 * performs initialization that generally doesn't depend on user input.
4670 int t4_fw_initialize(struct adapter *adap, unsigned int mbox)
4672 struct fw_initialize_cmd c;
4674 memset(&c, 0, sizeof(c));
4675 INIT_CMD(c, INITIALIZE, WRITE);
4676 return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL);
4680 * t4_query_params - query FW or device parameters
4681 * @adap: the adapter
4682 * @mbox: mailbox to use for the FW command
4685 * @nparams: the number of parameters
4686 * @params: the parameter names
4687 * @val: the parameter values
4689 * Reads the value of FW or device parameters. Up to 7 parameters can be
4692 int t4_query_params(struct adapter *adap, unsigned int mbox, unsigned int pf,
4693 unsigned int vf, unsigned int nparams, const u32 *params,
4697 struct fw_params_cmd c;
4698 __be32 *p = &c.param[0].mnem;
4703 memset(&c, 0, sizeof(c));
4704 c.op_to_vfn = htonl(V_FW_CMD_OP(FW_PARAMS_CMD) | F_FW_CMD_REQUEST |
4705 F_FW_CMD_READ | V_FW_PARAMS_CMD_PFN(pf) |
4706 V_FW_PARAMS_CMD_VFN(vf));
4707 c.retval_len16 = htonl(FW_LEN16(c));
4709 for (i = 0; i < nparams; i++, p += 2, params++)
4710 *p = htonl(*params);
4712 ret = t4_wr_mbox(adap, mbox, &c, sizeof(c), &c);
4714 for (i = 0, p = &c.param[0].val; i < nparams; i++, p += 2)
4720 * t4_set_params - sets FW or device parameters
4721 * @adap: the adapter
4722 * @mbox: mailbox to use for the FW command
4725 * @nparams: the number of parameters
4726 * @params: the parameter names
4727 * @val: the parameter values
4729 * Sets the value of FW or device parameters. Up to 7 parameters can be
4730 * specified at once.
4732 int t4_set_params(struct adapter *adap, unsigned int mbox, unsigned int pf,
4733 unsigned int vf, unsigned int nparams, const u32 *params,
4736 struct fw_params_cmd c;
4737 __be32 *p = &c.param[0].mnem;
4742 memset(&c, 0, sizeof(c));
4743 c.op_to_vfn = htonl(V_FW_CMD_OP(FW_PARAMS_CMD) | F_FW_CMD_REQUEST |
4744 F_FW_CMD_WRITE | V_FW_PARAMS_CMD_PFN(pf) |
4745 V_FW_PARAMS_CMD_VFN(vf));
4746 c.retval_len16 = htonl(FW_LEN16(c));
4749 *p++ = htonl(*params);
4755 return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL);
4759 * t4_cfg_pfvf - configure PF/VF resource limits
4760 * @adap: the adapter
4761 * @mbox: mailbox to use for the FW command
4762 * @pf: the PF being configured
4763 * @vf: the VF being configured
4764 * @txq: the max number of egress queues
4765 * @txq_eth_ctrl: the max number of egress Ethernet or control queues
4766 * @rxqi: the max number of interrupt-capable ingress queues
4767 * @rxq: the max number of interruptless ingress queues
4768 * @tc: the PCI traffic class
4769 * @vi: the max number of virtual interfaces
4770 * @cmask: the channel access rights mask for the PF/VF
4771 * @pmask: the port access rights mask for the PF/VF
4772 * @nexact: the maximum number of exact MPS filters
4773 * @rcaps: read capabilities
4774 * @wxcaps: write/execute capabilities
4776 * Configures resource limits and capabilities for a physical or virtual
4779 int t4_cfg_pfvf(struct adapter *adap, unsigned int mbox, unsigned int pf,
4780 unsigned int vf, unsigned int txq, unsigned int txq_eth_ctrl,
4781 unsigned int rxqi, unsigned int rxq, unsigned int tc,
4782 unsigned int vi, unsigned int cmask, unsigned int pmask,
4783 unsigned int nexact, unsigned int rcaps, unsigned int wxcaps)
4785 struct fw_pfvf_cmd c;
4787 memset(&c, 0, sizeof(c));
4788 c.op_to_vfn = htonl(V_FW_CMD_OP(FW_PFVF_CMD) | F_FW_CMD_REQUEST |
4789 F_FW_CMD_WRITE | V_FW_PFVF_CMD_PFN(pf) |
4790 V_FW_PFVF_CMD_VFN(vf));
4791 c.retval_len16 = htonl(FW_LEN16(c));
4792 c.niqflint_niq = htonl(V_FW_PFVF_CMD_NIQFLINT(rxqi) |
4793 V_FW_PFVF_CMD_NIQ(rxq));
4794 c.type_to_neq = htonl(V_FW_PFVF_CMD_CMASK(cmask) |
4795 V_FW_PFVF_CMD_PMASK(pmask) |
4796 V_FW_PFVF_CMD_NEQ(txq));
4797 c.tc_to_nexactf = htonl(V_FW_PFVF_CMD_TC(tc) | V_FW_PFVF_CMD_NVI(vi) |
4798 V_FW_PFVF_CMD_NEXACTF(nexact));
4799 c.r_caps_to_nethctrl = htonl(V_FW_PFVF_CMD_R_CAPS(rcaps) |
4800 V_FW_PFVF_CMD_WX_CAPS(wxcaps) |
4801 V_FW_PFVF_CMD_NETHCTRL(txq_eth_ctrl));
4802 return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL);
4806 * t4_alloc_vi_func - allocate a virtual interface
4807 * @adap: the adapter
4808 * @mbox: mailbox to use for the FW command
4809 * @port: physical port associated with the VI
4810 * @pf: the PF owning the VI
4811 * @vf: the VF owning the VI
4812 * @nmac: number of MAC addresses needed (1 to 5)
4813 * @mac: the MAC addresses of the VI
4814 * @rss_size: size of RSS table slice associated with this VI
4815 * @portfunc: which Port Application Function MAC Address is desired
4816 * @idstype: Intrusion Detection Type
4818 * Allocates a virtual interface for the given physical port. If @mac is
4819 * not %NULL it contains the MAC addresses of the VI as assigned by FW.
4820 * @mac should be large enough to hold @nmac Ethernet addresses, they are
4821 * stored consecutively so the space needed is @nmac * 6 bytes.
4822 * Returns a negative error number or the non-negative VI id.
4824 int t4_alloc_vi_func(struct adapter *adap, unsigned int mbox,
4825 unsigned int port, unsigned int pf, unsigned int vf,
4826 unsigned int nmac, u8 *mac, unsigned int *rss_size,
4827 unsigned int portfunc, unsigned int idstype)
4832 memset(&c, 0, sizeof(c));
4833 c.op_to_vfn = htonl(V_FW_CMD_OP(FW_VI_CMD) | F_FW_CMD_REQUEST |
4834 F_FW_CMD_WRITE | F_FW_CMD_EXEC |
4835 V_FW_VI_CMD_PFN(pf) | V_FW_VI_CMD_VFN(vf));
4836 c.alloc_to_len16 = htonl(F_FW_VI_CMD_ALLOC | FW_LEN16(c));
4837 c.type_to_viid = htons(V_FW_VI_CMD_TYPE(idstype) |
4838 V_FW_VI_CMD_FUNC(portfunc));
4839 c.portid_pkd = V_FW_VI_CMD_PORTID(port);
4842 ret = t4_wr_mbox(adap, mbox, &c, sizeof(c), &c);
4847 memcpy(mac, c.mac, sizeof(c.mac));
4850 memcpy(mac + 24, c.nmac3, sizeof(c.nmac3));
4852 memcpy(mac + 18, c.nmac2, sizeof(c.nmac2));
4854 memcpy(mac + 12, c.nmac1, sizeof(c.nmac1));
4856 memcpy(mac + 6, c.nmac0, sizeof(c.nmac0));
4860 *rss_size = G_FW_VI_CMD_RSSSIZE(ntohs(c.norss_rsssize));
4861 return G_FW_VI_CMD_VIID(htons(c.type_to_viid));
4865 * t4_alloc_vi - allocate an [Ethernet Function] virtual interface
4866 * @adap: the adapter
4867 * @mbox: mailbox to use for the FW command
4868 * @port: physical port associated with the VI
4869 * @pf: the PF owning the VI
4870 * @vf: the VF owning the VI
4871 * @nmac: number of MAC addresses needed (1 to 5)
4872 * @mac: the MAC addresses of the VI
4873 * @rss_size: size of RSS table slice associated with this VI
4875 * backwards compatible and convieniance routine to allocate a Virtual
4876 * Interface with a Ethernet Port Application Function and Intrustion
4877 * Detection System disabled.
4879 int t4_alloc_vi(struct adapter *adap, unsigned int mbox, unsigned int port,
4880 unsigned int pf, unsigned int vf, unsigned int nmac, u8 *mac,
4881 unsigned int *rss_size)
4883 return t4_alloc_vi_func(adap, mbox, port, pf, vf, nmac, mac, rss_size,
4888 * t4_free_vi - free a virtual interface
4889 * @adap: the adapter
4890 * @mbox: mailbox to use for the FW command
4891 * @pf: the PF owning the VI
4892 * @vf: the VF owning the VI
4893 * @viid: virtual interface identifiler
4895 * Free a previously allocated virtual interface.
4897 int t4_free_vi(struct adapter *adap, unsigned int mbox, unsigned int pf,
4898 unsigned int vf, unsigned int viid)
4902 memset(&c, 0, sizeof(c));
4903 c.op_to_vfn = htonl(V_FW_CMD_OP(FW_VI_CMD) |
4906 V_FW_VI_CMD_PFN(pf) |
4907 V_FW_VI_CMD_VFN(vf));
4908 c.alloc_to_len16 = htonl(F_FW_VI_CMD_FREE | FW_LEN16(c));
4909 c.type_to_viid = htons(V_FW_VI_CMD_VIID(viid));
4911 return t4_wr_mbox(adap, mbox, &c, sizeof(c), &c);
4915 * t4_set_rxmode - set Rx properties of a virtual interface
4916 * @adap: the adapter
4917 * @mbox: mailbox to use for the FW command
4919 * @mtu: the new MTU or -1
4920 * @promisc: 1 to enable promiscuous mode, 0 to disable it, -1 no change
4921 * @all_multi: 1 to enable all-multi mode, 0 to disable it, -1 no change
4922 * @bcast: 1 to enable broadcast Rx, 0 to disable it, -1 no change
4923 * @vlanex: 1 to enable HVLAN extraction, 0 to disable it, -1 no change
4924 * @sleep_ok: if true we may sleep while awaiting command completion
4926 * Sets Rx properties of a virtual interface.
4928 int t4_set_rxmode(struct adapter *adap, unsigned int mbox, unsigned int viid,
4929 int mtu, int promisc, int all_multi, int bcast, int vlanex,
4932 struct fw_vi_rxmode_cmd c;
4934 /* convert to FW values */
4936 mtu = M_FW_VI_RXMODE_CMD_MTU;
4938 promisc = M_FW_VI_RXMODE_CMD_PROMISCEN;
4940 all_multi = M_FW_VI_RXMODE_CMD_ALLMULTIEN;
4942 bcast = M_FW_VI_RXMODE_CMD_BROADCASTEN;
4944 vlanex = M_FW_VI_RXMODE_CMD_VLANEXEN;
4946 memset(&c, 0, sizeof(c));
4947 c.op_to_viid = htonl(V_FW_CMD_OP(FW_VI_RXMODE_CMD) | F_FW_CMD_REQUEST |
4948 F_FW_CMD_WRITE | V_FW_VI_RXMODE_CMD_VIID(viid));
4949 c.retval_len16 = htonl(FW_LEN16(c));
4950 c.mtu_to_vlanexen = htonl(V_FW_VI_RXMODE_CMD_MTU(mtu) |
4951 V_FW_VI_RXMODE_CMD_PROMISCEN(promisc) |
4952 V_FW_VI_RXMODE_CMD_ALLMULTIEN(all_multi) |
4953 V_FW_VI_RXMODE_CMD_BROADCASTEN(bcast) |
4954 V_FW_VI_RXMODE_CMD_VLANEXEN(vlanex));
4955 return t4_wr_mbox_meat(adap, mbox, &c, sizeof(c), NULL, sleep_ok);
4959 * t4_alloc_mac_filt - allocates exact-match filters for MAC addresses
4960 * @adap: the adapter
4961 * @mbox: mailbox to use for the FW command
4963 * @free: if true any existing filters for this VI id are first removed
4964 * @naddr: the number of MAC addresses to allocate filters for (up to 7)
4965 * @addr: the MAC address(es)
4966 * @idx: where to store the index of each allocated filter
4967 * @hash: pointer to hash address filter bitmap
4968 * @sleep_ok: call is allowed to sleep
4970 * Allocates an exact-match filter for each of the supplied addresses and
4971 * sets it to the corresponding address. If @idx is not %NULL it should
4972 * have at least @naddr entries, each of which will be set to the index of
4973 * the filter allocated for the corresponding MAC address. If a filter
4974 * could not be allocated for an address its index is set to 0xffff.
4975 * If @hash is not %NULL addresses that fail to allocate an exact filter
4976 * are hashed and update the hash filter bitmap pointed at by @hash.
4978 * Returns a negative error number or the number of filters allocated.
4980 int t4_alloc_mac_filt(struct adapter *adap, unsigned int mbox,
4981 unsigned int viid, bool free, unsigned int naddr,
4982 const u8 **addr, u16 *idx, u64 *hash, bool sleep_ok)
4984 int offset, ret = 0;
4985 struct fw_vi_mac_cmd c;
4986 unsigned int nfilters = 0;
4987 unsigned int max_naddr = is_t4(adap) ?
4988 NUM_MPS_CLS_SRAM_L_INSTANCES :
4989 NUM_MPS_T5_CLS_SRAM_L_INSTANCES;
4990 unsigned int rem = naddr;
4992 if (naddr > max_naddr)
4995 for (offset = 0; offset < naddr ; /**/) {
4996 unsigned int fw_naddr = (rem < ARRAY_SIZE(c.u.exact)
4998 : ARRAY_SIZE(c.u.exact));
4999 size_t len16 = DIV_ROUND_UP(offsetof(struct fw_vi_mac_cmd,
5000 u.exact[fw_naddr]), 16);
5001 struct fw_vi_mac_exact *p;
5004 memset(&c, 0, sizeof(c));
5005 c.op_to_viid = htonl(V_FW_CMD_OP(FW_VI_MAC_CMD) |
5008 V_FW_CMD_EXEC(free) |
5009 V_FW_VI_MAC_CMD_VIID(viid));
5010 c.freemacs_to_len16 = htonl(V_FW_VI_MAC_CMD_FREEMACS(free) |
5011 V_FW_CMD_LEN16(len16));
5013 for (i = 0, p = c.u.exact; i < fw_naddr; i++, p++) {
5014 p->valid_to_idx = htons(
5015 F_FW_VI_MAC_CMD_VALID |
5016 V_FW_VI_MAC_CMD_IDX(FW_VI_MAC_ADD_MAC));
5017 memcpy(p->macaddr, addr[offset+i], sizeof(p->macaddr));
5021 * It's okay if we run out of space in our MAC address arena.
5022 * Some of the addresses we submit may get stored so we need
5023 * to run through the reply to see what the results were ...
5025 ret = t4_wr_mbox_meat(adap, mbox, &c, sizeof(c), &c, sleep_ok);
5026 if (ret && ret != -FW_ENOMEM)
5029 for (i = 0, p = c.u.exact; i < fw_naddr; i++, p++) {
5030 u16 index = G_FW_VI_MAC_CMD_IDX(ntohs(p->valid_to_idx));
5033 idx[offset+i] = (index >= max_naddr
5036 if (index < max_naddr)
5039 *hash |= (1ULL << hash_mac_addr(addr[offset+i]));
5047 if (ret == 0 || ret == -FW_ENOMEM)
5053 * t4_change_mac - modifies the exact-match filter for a MAC address
5054 * @adap: the adapter
5055 * @mbox: mailbox to use for the FW command
5057 * @idx: index of existing filter for old value of MAC address, or -1
5058 * @addr: the new MAC address value
5059 * @persist: whether a new MAC allocation should be persistent
5060 * @add_smt: if true also add the address to the HW SMT
5062 * Modifies an exact-match filter and sets it to the new MAC address if
5063 * @idx >= 0, or adds the MAC address to a new filter if @idx < 0. In the
5064 * latter case the address is added persistently if @persist is %true.
5066 * Note that in general it is not possible to modify the value of a given
5067 * filter so the generic way to modify an address filter is to free the one
5068 * being used by the old address value and allocate a new filter for the
5069 * new address value.
5071 * Returns a negative error number or the index of the filter with the new
5072 * MAC value. Note that this index may differ from @idx.
5074 int t4_change_mac(struct adapter *adap, unsigned int mbox, unsigned int viid,
5075 int idx, const u8 *addr, bool persist, bool add_smt)
5078 struct fw_vi_mac_cmd c;
5079 struct fw_vi_mac_exact *p = c.u.exact;
5080 unsigned int max_mac_addr = is_t4(adap) ?
5081 NUM_MPS_CLS_SRAM_L_INSTANCES :
5082 NUM_MPS_T5_CLS_SRAM_L_INSTANCES;
5084 if (idx < 0) /* new allocation */
5085 idx = persist ? FW_VI_MAC_ADD_PERSIST_MAC : FW_VI_MAC_ADD_MAC;
5086 mode = add_smt ? FW_VI_MAC_SMT_AND_MPSTCAM : FW_VI_MAC_MPS_TCAM_ENTRY;
5088 memset(&c, 0, sizeof(c));
5089 c.op_to_viid = htonl(V_FW_CMD_OP(FW_VI_MAC_CMD) | F_FW_CMD_REQUEST |
5090 F_FW_CMD_WRITE | V_FW_VI_MAC_CMD_VIID(viid));
5091 c.freemacs_to_len16 = htonl(V_FW_CMD_LEN16(1));
5092 p->valid_to_idx = htons(F_FW_VI_MAC_CMD_VALID |
5093 V_FW_VI_MAC_CMD_SMAC_RESULT(mode) |
5094 V_FW_VI_MAC_CMD_IDX(idx));
5095 memcpy(p->macaddr, addr, sizeof(p->macaddr));
5097 ret = t4_wr_mbox(adap, mbox, &c, sizeof(c), &c);
5099 ret = G_FW_VI_MAC_CMD_IDX(ntohs(p->valid_to_idx));
5100 if (ret >= max_mac_addr)
5107 * t4_set_addr_hash - program the MAC inexact-match hash filter
5108 * @adap: the adapter
5109 * @mbox: mailbox to use for the FW command
5111 * @ucast: whether the hash filter should also match unicast addresses
5112 * @vec: the value to be written to the hash filter
5113 * @sleep_ok: call is allowed to sleep
5115 * Sets the 64-bit inexact-match hash filter for a virtual interface.
5117 int t4_set_addr_hash(struct adapter *adap, unsigned int mbox, unsigned int viid,
5118 bool ucast, u64 vec, bool sleep_ok)
5120 struct fw_vi_mac_cmd c;
5122 memset(&c, 0, sizeof(c));
5123 c.op_to_viid = htonl(V_FW_CMD_OP(FW_VI_MAC_CMD) | F_FW_CMD_REQUEST |
5124 F_FW_CMD_WRITE | V_FW_VI_ENABLE_CMD_VIID(viid));
5125 c.freemacs_to_len16 = htonl(F_FW_VI_MAC_CMD_HASHVECEN |
5126 V_FW_VI_MAC_CMD_HASHUNIEN(ucast) |
5128 c.u.hash.hashvec = cpu_to_be64(vec);
5129 return t4_wr_mbox_meat(adap, mbox, &c, sizeof(c), NULL, sleep_ok);
5133 * t4_enable_vi - enable/disable a virtual interface
5134 * @adap: the adapter
5135 * @mbox: mailbox to use for the FW command
5137 * @rx_en: 1=enable Rx, 0=disable Rx
5138 * @tx_en: 1=enable Tx, 0=disable Tx
5140 * Enables/disables a virtual interface.
5142 int t4_enable_vi(struct adapter *adap, unsigned int mbox, unsigned int viid,
5143 bool rx_en, bool tx_en)
5145 struct fw_vi_enable_cmd c;
5147 memset(&c, 0, sizeof(c));
5148 c.op_to_viid = htonl(V_FW_CMD_OP(FW_VI_ENABLE_CMD) | F_FW_CMD_REQUEST |
5149 F_FW_CMD_EXEC | V_FW_VI_ENABLE_CMD_VIID(viid));
5150 c.ien_to_len16 = htonl(V_FW_VI_ENABLE_CMD_IEN(rx_en) |
5151 V_FW_VI_ENABLE_CMD_EEN(tx_en) | FW_LEN16(c));
5152 return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL);
5156 * t4_identify_port - identify a VI's port by blinking its LED
5157 * @adap: the adapter
5158 * @mbox: mailbox to use for the FW command
5160 * @nblinks: how many times to blink LED at 2.5 Hz
5162 * Identifies a VI's port by blinking its LED.
5164 int t4_identify_port(struct adapter *adap, unsigned int mbox, unsigned int viid,
5165 unsigned int nblinks)
5167 struct fw_vi_enable_cmd c;
5169 memset(&c, 0, sizeof(c));
5170 c.op_to_viid = htonl(V_FW_CMD_OP(FW_VI_ENABLE_CMD) | F_FW_CMD_REQUEST |
5171 F_FW_CMD_EXEC | V_FW_VI_ENABLE_CMD_VIID(viid));
5172 c.ien_to_len16 = htonl(F_FW_VI_ENABLE_CMD_LED | FW_LEN16(c));
5173 c.blinkdur = htons(nblinks);
5174 return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL);
5178 * t4_iq_start_stop - enable/disable an ingress queue and its FLs
5179 * @adap: the adapter
5180 * @mbox: mailbox to use for the FW command
5181 * @start: %true to enable the queues, %false to disable them
5182 * @pf: the PF owning the queues
5183 * @vf: the VF owning the queues
5184 * @iqid: ingress queue id
5185 * @fl0id: FL0 queue id or 0xffff if no attached FL0
5186 * @fl1id: FL1 queue id or 0xffff if no attached FL1
5188 * Starts or stops an ingress queue and its associated FLs, if any.
5190 int t4_iq_start_stop(struct adapter *adap, unsigned int mbox, bool start,
5191 unsigned int pf, unsigned int vf, unsigned int iqid,
5192 unsigned int fl0id, unsigned int fl1id)
5196 memset(&c, 0, sizeof(c));
5197 c.op_to_vfn = htonl(V_FW_CMD_OP(FW_IQ_CMD) | F_FW_CMD_REQUEST |
5198 F_FW_CMD_EXEC | V_FW_IQ_CMD_PFN(pf) |
5199 V_FW_IQ_CMD_VFN(vf));
5200 c.alloc_to_len16 = htonl(V_FW_IQ_CMD_IQSTART(start) |
5201 V_FW_IQ_CMD_IQSTOP(!start) | FW_LEN16(c));
5202 c.iqid = htons(iqid);
5203 c.fl0id = htons(fl0id);
5204 c.fl1id = htons(fl1id);
5205 return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL);
5209 * t4_iq_free - free an ingress queue and its FLs
5210 * @adap: the adapter
5211 * @mbox: mailbox to use for the FW command
5212 * @pf: the PF owning the queues
5213 * @vf: the VF owning the queues
5214 * @iqtype: the ingress queue type (FW_IQ_TYPE_FL_INT_CAP, etc.)
5215 * @iqid: ingress queue id
5216 * @fl0id: FL0 queue id or 0xffff if no attached FL0
5217 * @fl1id: FL1 queue id or 0xffff if no attached FL1
5219 * Frees an ingress queue and its associated FLs, if any.
5221 int t4_iq_free(struct adapter *adap, unsigned int mbox, unsigned int pf,
5222 unsigned int vf, unsigned int iqtype, unsigned int iqid,
5223 unsigned int fl0id, unsigned int fl1id)
5227 memset(&c, 0, sizeof(c));
5228 c.op_to_vfn = htonl(V_FW_CMD_OP(FW_IQ_CMD) | F_FW_CMD_REQUEST |
5229 F_FW_CMD_EXEC | V_FW_IQ_CMD_PFN(pf) |
5230 V_FW_IQ_CMD_VFN(vf));
5231 c.alloc_to_len16 = htonl(F_FW_IQ_CMD_FREE | FW_LEN16(c));
5232 c.type_to_iqandstindex = htonl(V_FW_IQ_CMD_TYPE(iqtype));
5233 c.iqid = htons(iqid);
5234 c.fl0id = htons(fl0id);
5235 c.fl1id = htons(fl1id);
5236 return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL);
5240 * t4_eth_eq_free - free an Ethernet egress queue
5241 * @adap: the adapter
5242 * @mbox: mailbox to use for the FW command
5243 * @pf: the PF owning the queue
5244 * @vf: the VF owning the queue
5245 * @eqid: egress queue id
5247 * Frees an Ethernet egress queue.
5249 int t4_eth_eq_free(struct adapter *adap, unsigned int mbox, unsigned int pf,
5250 unsigned int vf, unsigned int eqid)
5252 struct fw_eq_eth_cmd c;
5254 memset(&c, 0, sizeof(c));
5255 c.op_to_vfn = htonl(V_FW_CMD_OP(FW_EQ_ETH_CMD) | F_FW_CMD_REQUEST |
5256 F_FW_CMD_EXEC | V_FW_EQ_ETH_CMD_PFN(pf) |
5257 V_FW_EQ_ETH_CMD_VFN(vf));
5258 c.alloc_to_len16 = htonl(F_FW_EQ_ETH_CMD_FREE | FW_LEN16(c));
5259 c.eqid_pkd = htonl(V_FW_EQ_ETH_CMD_EQID(eqid));
5260 return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL);
5264 * t4_ctrl_eq_free - free a control egress queue
5265 * @adap: the adapter
5266 * @mbox: mailbox to use for the FW command
5267 * @pf: the PF owning the queue
5268 * @vf: the VF owning the queue
5269 * @eqid: egress queue id
5271 * Frees a control egress queue.
5273 int t4_ctrl_eq_free(struct adapter *adap, unsigned int mbox, unsigned int pf,
5274 unsigned int vf, unsigned int eqid)
5276 struct fw_eq_ctrl_cmd c;
5278 memset(&c, 0, sizeof(c));
5279 c.op_to_vfn = htonl(V_FW_CMD_OP(FW_EQ_CTRL_CMD) | F_FW_CMD_REQUEST |
5280 F_FW_CMD_EXEC | V_FW_EQ_CTRL_CMD_PFN(pf) |
5281 V_FW_EQ_CTRL_CMD_VFN(vf));
5282 c.alloc_to_len16 = htonl(F_FW_EQ_CTRL_CMD_FREE | FW_LEN16(c));
5283 c.cmpliqid_eqid = htonl(V_FW_EQ_CTRL_CMD_EQID(eqid));
5284 return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL);
5288 * t4_ofld_eq_free - free an offload egress queue
5289 * @adap: the adapter
5290 * @mbox: mailbox to use for the FW command
5291 * @pf: the PF owning the queue
5292 * @vf: the VF owning the queue
5293 * @eqid: egress queue id
5295 * Frees a control egress queue.
5297 int t4_ofld_eq_free(struct adapter *adap, unsigned int mbox, unsigned int pf,
5298 unsigned int vf, unsigned int eqid)
5300 struct fw_eq_ofld_cmd c;
5302 memset(&c, 0, sizeof(c));
5303 c.op_to_vfn = htonl(V_FW_CMD_OP(FW_EQ_OFLD_CMD) | F_FW_CMD_REQUEST |
5304 F_FW_CMD_EXEC | V_FW_EQ_OFLD_CMD_PFN(pf) |
5305 V_FW_EQ_OFLD_CMD_VFN(vf));
5306 c.alloc_to_len16 = htonl(F_FW_EQ_OFLD_CMD_FREE | FW_LEN16(c));
5307 c.eqid_pkd = htonl(V_FW_EQ_OFLD_CMD_EQID(eqid));
5308 return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL);
5312 * t4_handle_fw_rpl - process a FW reply message
5313 * @adap: the adapter
5314 * @rpl: start of the FW message
5316 * Processes a FW message, such as link state change messages.
5318 int t4_handle_fw_rpl(struct adapter *adap, const __be64 *rpl)
5320 u8 opcode = *(const u8 *)rpl;
5321 const struct fw_port_cmd *p = (const void *)rpl;
5322 unsigned int action = G_FW_PORT_CMD_ACTION(ntohl(p->action_to_len16));
5324 if (opcode == FW_PORT_CMD && action == FW_PORT_ACTION_GET_PORT_INFO) {
5325 /* link/module state change message */
5326 int speed = 0, fc = 0, i;
5327 int chan = G_FW_PORT_CMD_PORTID(ntohl(p->op_to_portid));
5328 struct port_info *pi = NULL;
5329 struct link_config *lc;
5330 u32 stat = ntohl(p->u.info.lstatus_to_modtype);
5331 int link_ok = (stat & F_FW_PORT_CMD_LSTATUS) != 0;
5332 u32 mod = G_FW_PORT_CMD_MODTYPE(stat);
5334 if (stat & F_FW_PORT_CMD_RXPAUSE)
5336 if (stat & F_FW_PORT_CMD_TXPAUSE)
5338 if (stat & V_FW_PORT_CMD_LSPEED(FW_PORT_CAP_SPEED_100M))
5340 else if (stat & V_FW_PORT_CMD_LSPEED(FW_PORT_CAP_SPEED_1G))
5342 else if (stat & V_FW_PORT_CMD_LSPEED(FW_PORT_CAP_SPEED_10G))
5343 speed = SPEED_10000;
5344 else if (stat & V_FW_PORT_CMD_LSPEED(FW_PORT_CAP_SPEED_40G))
5345 speed = SPEED_40000;
5347 for_each_port(adap, i) {
5348 pi = adap2pinfo(adap, i);
5349 if (pi->tx_chan == chan)
5354 if (link_ok != lc->link_ok || speed != lc->speed ||
5355 fc != lc->fc) { /* something changed */
5358 if (!link_ok && lc->link_ok)
5359 reason = G_FW_PORT_CMD_LINKDNRC(stat);
5363 lc->link_ok = link_ok;
5366 lc->supported = ntohs(p->u.info.pcap);
5367 t4_os_link_changed(adap, i, link_ok, reason);
5369 if (mod != pi->mod_type) {
5371 t4_os_portmod_changed(adap, i);
5374 CH_WARN_RATELIMIT(adap,
5375 "Unknown firmware reply 0x%x (0x%x)\n", opcode, action);
5382 * get_pci_mode - determine a card's PCI mode
5383 * @adapter: the adapter
5384 * @p: where to store the PCI settings
5386 * Determines a card's PCI mode and associated parameters, such as speed
5389 static void __devinit get_pci_mode(struct adapter *adapter,
5390 struct pci_params *p)
5395 pcie_cap = t4_os_find_pci_capability(adapter, PCI_CAP_ID_EXP);
5397 t4_os_pci_read_cfg2(adapter, pcie_cap + PCI_EXP_LNKSTA, &val);
5398 p->speed = val & PCI_EXP_LNKSTA_CLS;
5399 p->width = (val & PCI_EXP_LNKSTA_NLW) >> 4;
5404 * init_link_config - initialize a link's SW state
5405 * @lc: structure holding the link state
5406 * @caps: link capabilities
5408 * Initializes the SW state maintained for each link, including the link's
5409 * capabilities and default speed/flow-control/autonegotiation settings.
5411 static void __devinit init_link_config(struct link_config *lc,
5414 lc->supported = caps;
5415 lc->requested_speed = 0;
5417 lc->requested_fc = lc->fc = PAUSE_RX | PAUSE_TX;
5418 if (lc->supported & FW_PORT_CAP_ANEG) {
5419 lc->advertising = lc->supported & ADVERT_MASK;
5420 lc->autoneg = AUTONEG_ENABLE;
5421 lc->requested_fc |= PAUSE_AUTONEG;
5423 lc->advertising = 0;
5424 lc->autoneg = AUTONEG_DISABLE;
5428 static int __devinit get_flash_params(struct adapter *adapter)
5433 ret = sf1_write(adapter, 1, 1, 0, SF_RD_ID);
5435 ret = sf1_read(adapter, 3, 0, 1, &info);
5436 t4_write_reg(adapter, A_SF_OP, 0); /* unlock SF */
5440 if ((info & 0xff) != 0x20) /* not a Numonix flash */
5442 info >>= 16; /* log2 of size */
5443 if (info >= 0x14 && info < 0x18)
5444 adapter->params.sf_nsec = 1 << (info - 16);
5445 else if (info == 0x18)
5446 adapter->params.sf_nsec = 64;
5449 adapter->params.sf_size = 1 << info;
5453 static void __devinit set_pcie_completion_timeout(struct adapter *adapter,
5459 pcie_cap = t4_os_find_pci_capability(adapter, PCI_CAP_ID_EXP);
5461 t4_os_pci_read_cfg2(adapter, pcie_cap + PCI_EXP_DEVCTL2, &val);
5464 t4_os_pci_write_cfg2(adapter, pcie_cap + PCI_EXP_DEVCTL2, val);
5469 * t4_prep_adapter - prepare SW and HW for operation
5470 * @adapter: the adapter
5471 * @reset: if true perform a HW reset
5473 * Initialize adapter SW state for the various HW modules, set initial
5474 * values for some adapter tunables, take PHYs out of reset, and
5475 * initialize the MDIO interface.
5477 int __devinit t4_prep_adapter(struct adapter *adapter)
5483 get_pci_mode(adapter, &adapter->params.pci);
5485 pl_rev = t4_read_reg(adapter, A_PL_REV);
5486 adapter->params.chipid = G_CHIPID(pl_rev);
5487 adapter->params.rev = G_REV(pl_rev);
5488 if (adapter->params.chipid == 0) {
5489 /* T4 did not have chipid in PL_REV (T5 onwards do) */
5490 adapter->params.chipid = CHELSIO_T4;
5492 /* T4A1 chip is not supported */
5493 if (adapter->params.rev == 1) {
5494 CH_ALERT(adapter, "T4 rev 1 chip is not supported.\n");
5498 adapter->params.pci.vpd_cap_addr =
5499 t4_os_find_pci_capability(adapter, PCI_CAP_ID_VPD);
5501 ret = get_flash_params(adapter);
5505 ret = get_vpd_params(adapter, &adapter->params.vpd);
5509 /* Cards with real ASICs have the chipid in the PCIe device id */
5510 t4_os_pci_read_cfg2(adapter, PCI_DEVICE_ID, &device_id);
5511 if (device_id >> 12 == adapter->params.chipid)
5512 adapter->params.cim_la_size = CIMLA_SIZE;
5515 adapter->params.fpga = 1;
5516 adapter->params.cim_la_size = 2 * CIMLA_SIZE;
5519 init_cong_ctrl(adapter->params.a_wnd, adapter->params.b_wnd);
5522 * Default port and clock for debugging in case we can't reach FW.
5524 adapter->params.nports = 1;
5525 adapter->params.portvec = 1;
5526 adapter->params.vpd.cclk = 50000;
5528 /* Set pci completion timeout value to 4 seconds. */
5529 set_pcie_completion_timeout(adapter, 0xd);
5534 * t4_init_tp_params - initialize adap->params.tp
5535 * @adap: the adapter
5537 * Initialize various fields of the adapter's TP Parameters structure.
5539 int __devinit t4_init_tp_params(struct adapter *adap)
5544 v = t4_read_reg(adap, A_TP_TIMER_RESOLUTION);
5545 adap->params.tp.tre = G_TIMERRESOLUTION(v);
5546 adap->params.tp.dack_re = G_DELAYEDACKRESOLUTION(v);
5548 /* MODQ_REQ_MAP defaults to setting queues 0-3 to chan 0-3 */
5549 for (chan = 0; chan < NCHAN; chan++)
5550 adap->params.tp.tx_modq[chan] = chan;
5553 * Cache the adapter's Compressed Filter Mode and global Incress
5556 t4_read_indirect(adap, A_TP_PIO_ADDR, A_TP_PIO_DATA,
5557 &adap->params.tp.vlan_pri_map, 1,
5559 t4_read_indirect(adap, A_TP_PIO_ADDR, A_TP_PIO_DATA,
5560 &adap->params.tp.ingress_config, 1,
5561 A_TP_INGRESS_CONFIG);
5564 * Now that we have TP_VLAN_PRI_MAP cached, we can calculate the field
5565 * shift positions of several elements of the Compressed Filter Tuple
5566 * for this adapter which we need frequently ...
5568 adap->params.tp.vlan_shift = t4_filter_field_shift(adap, F_VLAN);
5569 adap->params.tp.vnic_shift = t4_filter_field_shift(adap, F_VNIC_ID);
5570 adap->params.tp.port_shift = t4_filter_field_shift(adap, F_PORT);
5571 adap->params.tp.protocol_shift = t4_filter_field_shift(adap, F_PROTOCOL);
5574 * If TP_INGRESS_CONFIG.VNID == 0, then TP_VLAN_PRI_MAP.VNIC_ID
5575 * represents the presense of an Outer VLAN instead of a VNIC ID.
5577 if ((adap->params.tp.ingress_config & F_VNIC) == 0)
5578 adap->params.tp.vnic_shift = -1;
5584 * t4_filter_field_shift - calculate filter field shift
5585 * @adap: the adapter
5586 * @filter_sel: the desired field (from TP_VLAN_PRI_MAP bits)
5588 * Return the shift position of a filter field within the Compressed
5589 * Filter Tuple. The filter field is specified via its selection bit
5590 * within TP_VLAN_PRI_MAL (filter mode). E.g. F_VLAN.
5592 int t4_filter_field_shift(const struct adapter *adap, int filter_sel)
5594 unsigned int filter_mode = adap->params.tp.vlan_pri_map;
5598 if ((filter_mode & filter_sel) == 0)
5601 for (sel = 1, field_shift = 0; sel < filter_sel; sel <<= 1) {
5602 switch (filter_mode & sel) {
5603 case F_FCOE: field_shift += W_FT_FCOE; break;
5604 case F_PORT: field_shift += W_FT_PORT; break;
5605 case F_VNIC_ID: field_shift += W_FT_VNIC_ID; break;
5606 case F_VLAN: field_shift += W_FT_VLAN; break;
5607 case F_TOS: field_shift += W_FT_TOS; break;
5608 case F_PROTOCOL: field_shift += W_FT_PROTOCOL; break;
5609 case F_ETHERTYPE: field_shift += W_FT_ETHERTYPE; break;
5610 case F_MACMATCH: field_shift += W_FT_MACMATCH; break;
5611 case F_MPSHITTYPE: field_shift += W_FT_MPSHITTYPE; break;
5612 case F_FRAGMENTATION: field_shift += W_FT_FRAGMENTATION; break;
5618 int __devinit t4_port_init(struct port_info *p, int mbox, int pf, int vf)
5622 struct fw_port_cmd c;
5623 unsigned int rss_size;
5624 adapter_t *adap = p->adapter;
5626 memset(&c, 0, sizeof(c));
5628 for (i = 0, j = -1; i <= p->port_id; i++) {
5631 } while ((adap->params.portvec & (1 << j)) == 0);
5634 c.op_to_portid = htonl(V_FW_CMD_OP(FW_PORT_CMD) |
5635 F_FW_CMD_REQUEST | F_FW_CMD_READ |
5636 V_FW_PORT_CMD_PORTID(j));
5637 c.action_to_len16 = htonl(
5638 V_FW_PORT_CMD_ACTION(FW_PORT_ACTION_GET_PORT_INFO) |
5640 ret = t4_wr_mbox(adap, mbox, &c, sizeof(c), &c);
5644 ret = t4_alloc_vi(adap, mbox, j, pf, vf, 1, addr, &rss_size);
5651 p->rss_size = rss_size;
5652 t4_os_set_hw_addr(adap, p->port_id, addr);
5654 ret = ntohl(c.u.info.lstatus_to_modtype);
5655 p->mdio_addr = (ret & F_FW_PORT_CMD_MDIOCAP) ?
5656 G_FW_PORT_CMD_MDIOADDR(ret) : -1;
5657 p->port_type = G_FW_PORT_CMD_PTYPE(ret);
5658 p->mod_type = G_FW_PORT_CMD_MODTYPE(ret);
5660 init_link_config(&p->link_cfg, ntohs(c.u.info.pcap));