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1 | /* |
2 | * This file is part of the Chelsio FCoE driver for Linux. | |
3 | * | |
4 | * Copyright (c) 2008-2012 Chelsio Communications, Inc. All rights reserved. | |
5 | * | |
6 | * This software is available to you under a choice of one of two | |
7 | * licenses. You may choose to be licensed under the terms of the GNU | |
8 | * General Public License (GPL) Version 2, available from the file | |
9 | * COPYING in the main directory of this source tree, or the | |
10 | * OpenIB.org BSD license below: | |
11 | * | |
12 | * Redistribution and use in source and binary forms, with or | |
13 | * without modification, are permitted provided that the following | |
14 | * conditions are met: | |
15 | * | |
16 | * - Redistributions of source code must retain the above | |
17 | * copyright notice, this list of conditions and the following | |
18 | * disclaimer. | |
19 | * | |
20 | * - Redistributions in binary form must reproduce the above | |
21 | * copyright notice, this list of conditions and the following | |
22 | * disclaimer in the documentation and/or other materials | |
23 | * provided with the distribution. | |
24 | * | |
25 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | |
26 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | |
27 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND | |
28 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS | |
29 | * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN | |
30 | * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN | |
31 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
32 | * SOFTWARE. | |
33 | */ | |
34 | ||
35 | #ifndef __CSIO_HW_H__ | |
36 | #define __CSIO_HW_H__ | |
37 | ||
38 | #include <linux/kernel.h> | |
39 | #include <linux/pci.h> | |
40 | #include <linux/device.h> | |
41 | #include <linux/workqueue.h> | |
42 | #include <linux/compiler.h> | |
43 | #include <linux/cdev.h> | |
44 | #include <linux/list.h> | |
45 | #include <linux/mempool.h> | |
46 | #include <linux/io.h> | |
47 | #include <linux/spinlock_types.h> | |
48 | #include <scsi/scsi_device.h> | |
49 | #include <scsi/scsi_transport_fc.h> | |
50 | ||
51 | #include "csio_wr.h" | |
52 | #include "csio_mb.h" | |
53 | #include "csio_scsi.h" | |
54 | #include "csio_defs.h" | |
55 | #include "t4_regs.h" | |
56 | #include "t4_msg.h" | |
57 | ||
58 | /* | |
59 | * An error value used by host. Should not clash with FW defined return values. | |
60 | */ | |
61 | #define FW_HOSTERROR 255 | |
62 | ||
63 | #define CSIO_FW_FNAME "cxgb4/t4fw.bin" | |
64 | #define CSIO_CF_FNAME "cxgb4/t4-config.txt" | |
65 | ||
66 | #define FW_VERSION_MAJOR 1 | |
67 | #define FW_VERSION_MINOR 2 | |
68 | #define FW_VERSION_MICRO 8 | |
69 | ||
70 | #define CSIO_HW_NAME "Chelsio FCoE Adapter" | |
71 | #define CSIO_MAX_PFN 8 | |
72 | #define CSIO_MAX_PPORTS 4 | |
73 | ||
74 | #define CSIO_MAX_LUN 0xFFFF | |
75 | #define CSIO_MAX_QUEUE 2048 | |
76 | #define CSIO_MAX_CMD_PER_LUN 32 | |
77 | #define CSIO_MAX_DDP_BUF_SIZE (1024 * 1024) | |
78 | #define CSIO_MAX_SECTOR_SIZE 128 | |
79 | ||
80 | /* Interrupts */ | |
81 | #define CSIO_EXTRA_MSI_IQS 2 /* Extra iqs for INTX/MSI mode | |
82 | * (Forward intr iq + fw iq) */ | |
83 | #define CSIO_EXTRA_VECS 2 /* non-data + FW evt */ | |
84 | #define CSIO_MAX_SCSI_CPU 128 | |
85 | #define CSIO_MAX_SCSI_QSETS (CSIO_MAX_SCSI_CPU * CSIO_MAX_PPORTS) | |
86 | #define CSIO_MAX_MSIX_VECS (CSIO_MAX_SCSI_QSETS + CSIO_EXTRA_VECS) | |
87 | ||
88 | /* Queues */ | |
89 | enum { | |
90 | CSIO_INTR_WRSIZE = 128, | |
91 | CSIO_INTR_IQSIZE = ((CSIO_MAX_MSIX_VECS + 1) * CSIO_INTR_WRSIZE), | |
92 | CSIO_FWEVT_WRSIZE = 128, | |
93 | CSIO_FWEVT_IQLEN = 128, | |
94 | CSIO_FWEVT_FLBUFS = 64, | |
95 | CSIO_FWEVT_IQSIZE = (CSIO_FWEVT_WRSIZE * CSIO_FWEVT_IQLEN), | |
96 | CSIO_HW_NIQ = 1, | |
97 | CSIO_HW_NFLQ = 1, | |
98 | CSIO_HW_NEQ = 1, | |
99 | CSIO_HW_NINTXQ = 1, | |
100 | }; | |
101 | ||
102 | struct csio_msix_entries { | |
103 | unsigned short vector; /* Vector assigned by pci_enable_msix */ | |
104 | void *dev_id; /* Priv object associated w/ this msix*/ | |
105 | char desc[24]; /* Description of this vector */ | |
106 | }; | |
107 | ||
108 | struct csio_scsi_qset { | |
109 | int iq_idx; /* Ingress index */ | |
110 | int eq_idx; /* Egress index */ | |
111 | uint32_t intr_idx; /* MSIX Vector index */ | |
112 | }; | |
113 | ||
114 | struct csio_scsi_cpu_info { | |
115 | int16_t max_cpus; | |
116 | }; | |
117 | ||
118 | extern int csio_dbg_level; | |
119 | extern int csio_force_master; | |
120 | extern unsigned int csio_port_mask; | |
121 | extern int csio_msi; | |
122 | ||
123 | #define CSIO_VENDOR_ID 0x1425 | |
124 | #define CSIO_ASIC_DEVID_PROTO_MASK 0xFF00 | |
125 | #define CSIO_ASIC_DEVID_TYPE_MASK 0x00FF | |
126 | #define CSIO_FPGA 0xA000 | |
127 | #define CSIO_T4_FCOE_ASIC 0x4600 | |
128 | ||
129 | #define CSIO_GLBL_INTR_MASK (CIM | MPS | PL | PCIE | MC | EDC0 | \ | |
130 | EDC1 | LE | TP | MA | PM_TX | PM_RX | \ | |
131 | ULP_RX | CPL_SWITCH | SGE | \ | |
132 | ULP_TX | SF) | |
133 | ||
134 | /* | |
135 | * Hard parameters used to initialize the card in the absence of a | |
136 | * configuration file. | |
137 | */ | |
138 | enum { | |
139 | /* General */ | |
140 | CSIO_SGE_DBFIFO_INT_THRESH = 10, | |
141 | ||
142 | CSIO_SGE_RX_DMA_OFFSET = 2, | |
143 | ||
144 | CSIO_SGE_FLBUF_SIZE1 = 65536, | |
145 | CSIO_SGE_FLBUF_SIZE2 = 1536, | |
146 | CSIO_SGE_FLBUF_SIZE3 = 9024, | |
147 | CSIO_SGE_FLBUF_SIZE4 = 9216, | |
148 | CSIO_SGE_FLBUF_SIZE5 = 2048, | |
149 | CSIO_SGE_FLBUF_SIZE6 = 128, | |
150 | CSIO_SGE_FLBUF_SIZE7 = 8192, | |
151 | CSIO_SGE_FLBUF_SIZE8 = 16384, | |
152 | ||
153 | CSIO_SGE_TIMER_VAL_0 = 5, | |
154 | CSIO_SGE_TIMER_VAL_1 = 10, | |
155 | CSIO_SGE_TIMER_VAL_2 = 20, | |
156 | CSIO_SGE_TIMER_VAL_3 = 50, | |
157 | CSIO_SGE_TIMER_VAL_4 = 100, | |
158 | CSIO_SGE_TIMER_VAL_5 = 200, | |
159 | ||
160 | CSIO_SGE_INT_CNT_VAL_0 = 1, | |
161 | CSIO_SGE_INT_CNT_VAL_1 = 4, | |
162 | CSIO_SGE_INT_CNT_VAL_2 = 8, | |
163 | CSIO_SGE_INT_CNT_VAL_3 = 16, | |
164 | ||
165 | /* Storage specific - used by FW_PFVF_CMD */ | |
166 | CSIO_WX_CAPS = FW_CMD_CAP_PF, /* w/x all */ | |
167 | CSIO_R_CAPS = FW_CMD_CAP_PF, /* r all */ | |
168 | CSIO_NVI = 4, | |
169 | CSIO_NIQ_FLINT = 34, | |
170 | CSIO_NETH_CTRL = 32, | |
171 | CSIO_NEQ = 66, | |
172 | CSIO_NEXACTF = 32, | |
173 | CSIO_CMASK = FW_PFVF_CMD_CMASK_MASK, | |
174 | CSIO_PMASK = FW_PFVF_CMD_PMASK_MASK, | |
175 | }; | |
176 | ||
177 | /* Slowpath events */ | |
178 | enum csio_evt { | |
179 | CSIO_EVT_FW = 0, /* FW event */ | |
180 | CSIO_EVT_MBX, /* MBX event */ | |
181 | CSIO_EVT_SCN, /* State change notification */ | |
182 | CSIO_EVT_DEV_LOSS, /* Device loss event */ | |
183 | CSIO_EVT_MAX, /* Max supported event */ | |
184 | }; | |
185 | ||
186 | #define CSIO_EVT_MSG_SIZE 512 | |
187 | #define CSIO_EVTQ_SIZE 512 | |
188 | ||
189 | /* Event msg */ | |
190 | struct csio_evt_msg { | |
191 | struct list_head list; /* evt queue*/ | |
192 | enum csio_evt type; | |
193 | uint8_t data[CSIO_EVT_MSG_SIZE]; | |
194 | }; | |
195 | ||
196 | enum { | |
197 | EEPROMVSIZE = 32768, /* Serial EEPROM virtual address space size */ | |
198 | SERNUM_LEN = 16, /* Serial # length */ | |
199 | EC_LEN = 16, /* E/C length */ | |
200 | ID_LEN = 16, /* ID length */ | |
201 | TRACE_LEN = 112, /* length of trace data and mask */ | |
202 | }; | |
203 | ||
204 | enum { | |
205 | SF_PAGE_SIZE = 256, /* serial flash page size */ | |
206 | SF_SEC_SIZE = 64 * 1024, /* serial flash sector size */ | |
207 | SF_SIZE = SF_SEC_SIZE * 16, /* serial flash size */ | |
208 | }; | |
209 | ||
210 | enum { MEM_EDC0, MEM_EDC1, MEM_MC }; | |
211 | ||
212 | enum { | |
213 | MEMWIN0_APERTURE = 2048, | |
214 | MEMWIN0_BASE = 0x1b800, | |
215 | MEMWIN1_APERTURE = 32768, | |
216 | MEMWIN1_BASE = 0x28000, | |
217 | MEMWIN2_APERTURE = 65536, | |
218 | MEMWIN2_BASE = 0x30000, | |
219 | }; | |
220 | ||
221 | /* serial flash and firmware constants */ | |
222 | enum { | |
223 | SF_ATTEMPTS = 10, /* max retries for SF operations */ | |
224 | ||
225 | /* flash command opcodes */ | |
226 | SF_PROG_PAGE = 2, /* program page */ | |
227 | SF_WR_DISABLE = 4, /* disable writes */ | |
228 | SF_RD_STATUS = 5, /* read status register */ | |
229 | SF_WR_ENABLE = 6, /* enable writes */ | |
230 | SF_RD_DATA_FAST = 0xb, /* read flash */ | |
231 | SF_RD_ID = 0x9f, /* read ID */ | |
232 | SF_ERASE_SECTOR = 0xd8, /* erase sector */ | |
233 | ||
234 | FW_START_SEC = 8, /* first flash sector for FW */ | |
235 | FW_END_SEC = 15, /* last flash sector for FW */ | |
236 | FW_IMG_START = FW_START_SEC * SF_SEC_SIZE, | |
237 | FW_MAX_SIZE = (FW_END_SEC - FW_START_SEC + 1) * SF_SEC_SIZE, | |
238 | ||
239 | FLASH_CFG_MAX_SIZE = 0x10000 , /* max size of the flash config file*/ | |
240 | FLASH_CFG_OFFSET = 0x1f0000, | |
241 | FLASH_CFG_START_SEC = FLASH_CFG_OFFSET / SF_SEC_SIZE, | |
242 | FPGA_FLASH_CFG_OFFSET = 0xf0000 , /* if FPGA mode, then cfg file is | |
243 | * at 1MB - 64KB */ | |
244 | FPGA_FLASH_CFG_START_SEC = FPGA_FLASH_CFG_OFFSET / SF_SEC_SIZE, | |
245 | }; | |
246 | ||
247 | /* | |
248 | * Flash layout. | |
249 | */ | |
250 | #define FLASH_START(start) ((start) * SF_SEC_SIZE) | |
251 | #define FLASH_MAX_SIZE(nsecs) ((nsecs) * SF_SEC_SIZE) | |
252 | ||
253 | enum { | |
254 | /* | |
255 | * Location of firmware image in FLASH. | |
256 | */ | |
257 | FLASH_FW_START_SEC = 8, | |
258 | FLASH_FW_NSECS = 8, | |
259 | FLASH_FW_START = FLASH_START(FLASH_FW_START_SEC), | |
260 | FLASH_FW_MAX_SIZE = FLASH_MAX_SIZE(FLASH_FW_NSECS), | |
261 | ||
262 | }; | |
263 | ||
264 | #undef FLASH_START | |
265 | #undef FLASH_MAX_SIZE | |
266 | ||
267 | /* Management module */ | |
268 | enum { | |
269 | CSIO_MGMT_EQ_WRSIZE = 512, | |
270 | CSIO_MGMT_IQ_WRSIZE = 128, | |
271 | CSIO_MGMT_EQLEN = 64, | |
272 | CSIO_MGMT_IQLEN = 64, | |
273 | }; | |
274 | ||
275 | #define CSIO_MGMT_EQSIZE (CSIO_MGMT_EQLEN * CSIO_MGMT_EQ_WRSIZE) | |
276 | #define CSIO_MGMT_IQSIZE (CSIO_MGMT_IQLEN * CSIO_MGMT_IQ_WRSIZE) | |
277 | ||
278 | /* mgmt module stats */ | |
279 | struct csio_mgmtm_stats { | |
280 | uint32_t n_abort_req; /* Total abort request */ | |
281 | uint32_t n_abort_rsp; /* Total abort response */ | |
282 | uint32_t n_close_req; /* Total close request */ | |
283 | uint32_t n_close_rsp; /* Total close response */ | |
284 | uint32_t n_err; /* Total Errors */ | |
285 | uint32_t n_drop; /* Total request dropped */ | |
286 | uint32_t n_active; /* Count of active_q */ | |
287 | uint32_t n_cbfn; /* Count of cbfn_q */ | |
288 | }; | |
289 | ||
290 | /* MGMT module */ | |
291 | struct csio_mgmtm { | |
292 | struct csio_hw *hw; /* Pointer to HW moduel */ | |
293 | int eq_idx; /* Egress queue index */ | |
294 | int iq_idx; /* Ingress queue index */ | |
295 | int msi_vec; /* MSI vector */ | |
296 | struct list_head active_q; /* Outstanding ELS/CT */ | |
297 | struct list_head abort_q; /* Outstanding abort req */ | |
298 | struct list_head cbfn_q; /* Completion queue */ | |
299 | struct list_head mgmt_req_freelist; /* Free poll of reqs */ | |
300 | /* ELSCT request freelist*/ | |
301 | struct timer_list mgmt_timer; /* MGMT timer */ | |
302 | struct csio_mgmtm_stats stats; /* ELS/CT stats */ | |
303 | }; | |
304 | ||
305 | struct csio_adap_desc { | |
306 | char model_no[16]; | |
307 | char description[32]; | |
308 | }; | |
309 | ||
310 | struct pci_params { | |
311 | uint16_t vendor_id; | |
312 | uint16_t device_id; | |
313 | uint32_t vpd_cap_addr; | |
314 | uint16_t speed; | |
315 | uint8_t width; | |
316 | }; | |
317 | ||
318 | /* User configurable hw parameters */ | |
319 | struct csio_hw_params { | |
320 | uint32_t sf_size; /* serial flash | |
321 | * size in bytes | |
322 | */ | |
323 | uint32_t sf_nsec; /* # of flash sectors */ | |
324 | struct pci_params pci; | |
325 | uint32_t log_level; /* Module-level for | |
326 | * debug log. | |
327 | */ | |
328 | }; | |
329 | ||
330 | struct csio_vpd { | |
331 | uint32_t cclk; | |
332 | uint8_t ec[EC_LEN + 1]; | |
333 | uint8_t sn[SERNUM_LEN + 1]; | |
334 | uint8_t id[ID_LEN + 1]; | |
335 | }; | |
336 | ||
337 | struct csio_pport { | |
338 | uint16_t pcap; | |
339 | uint8_t portid; | |
340 | uint8_t link_status; | |
341 | uint16_t link_speed; | |
342 | uint8_t mac[6]; | |
343 | uint8_t mod_type; | |
344 | uint8_t rsvd1; | |
345 | uint8_t rsvd2; | |
346 | uint8_t rsvd3; | |
347 | }; | |
348 | ||
349 | /* fcoe resource information */ | |
350 | struct csio_fcoe_res_info { | |
351 | uint16_t e_d_tov; | |
352 | uint16_t r_a_tov_seq; | |
353 | uint16_t r_a_tov_els; | |
354 | uint16_t r_r_tov; | |
355 | uint32_t max_xchgs; | |
356 | uint32_t max_ssns; | |
357 | uint32_t used_xchgs; | |
358 | uint32_t used_ssns; | |
359 | uint32_t max_fcfs; | |
360 | uint32_t max_vnps; | |
361 | uint32_t used_fcfs; | |
362 | uint32_t used_vnps; | |
363 | }; | |
364 | ||
365 | /* HW State machine Events */ | |
366 | enum csio_hw_ev { | |
367 | CSIO_HWE_CFG = (uint32_t)1, /* Starts off the State machine */ | |
368 | CSIO_HWE_INIT, /* Config done, start Init */ | |
369 | CSIO_HWE_INIT_DONE, /* Init Mailboxes sent, HW ready */ | |
370 | CSIO_HWE_FATAL, /* Fatal error during initialization */ | |
371 | CSIO_HWE_PCIERR_DETECTED,/* PCI error recovery detetced */ | |
372 | CSIO_HWE_PCIERR_SLOT_RESET, /* Slot reset after PCI recoviery */ | |
373 | CSIO_HWE_PCIERR_RESUME, /* Resume after PCI error recovery */ | |
374 | CSIO_HWE_QUIESCED, /* HBA quiesced */ | |
375 | CSIO_HWE_HBA_RESET, /* HBA reset requested */ | |
376 | CSIO_HWE_HBA_RESET_DONE, /* HBA reset completed */ | |
377 | CSIO_HWE_FW_DLOAD, /* FW download requested */ | |
378 | CSIO_HWE_PCI_REMOVE, /* PCI de-instantiation */ | |
379 | CSIO_HWE_SUSPEND, /* HW suspend for Online(hot) replacement */ | |
380 | CSIO_HWE_RESUME, /* HW resume for Online(hot) replacement */ | |
381 | CSIO_HWE_MAX, /* Max HW event */ | |
382 | }; | |
383 | ||
384 | /* hw stats */ | |
385 | struct csio_hw_stats { | |
386 | uint32_t n_evt_activeq; /* Number of event in active Q */ | |
387 | uint32_t n_evt_freeq; /* Number of event in free Q */ | |
388 | uint32_t n_evt_drop; /* Number of event droped */ | |
389 | uint32_t n_evt_unexp; /* Number of unexpected events */ | |
390 | uint32_t n_pcich_offline;/* Number of pci channel offline */ | |
391 | uint32_t n_lnlkup_miss; /* Number of lnode lookup miss */ | |
392 | uint32_t n_cpl_fw6_msg; /* Number of cpl fw6 message*/ | |
393 | uint32_t n_cpl_fw6_pld; /* Number of cpl fw6 payload*/ | |
394 | uint32_t n_cpl_unexp; /* Number of unexpected cpl */ | |
395 | uint32_t n_mbint_unexp; /* Number of unexpected mbox */ | |
396 | /* interrupt */ | |
397 | uint32_t n_plint_unexp; /* Number of unexpected PL */ | |
398 | /* interrupt */ | |
399 | uint32_t n_plint_cnt; /* Number of PL interrupt */ | |
400 | uint32_t n_int_stray; /* Number of stray interrupt */ | |
401 | uint32_t n_err; /* Number of hw errors */ | |
402 | uint32_t n_err_fatal; /* Number of fatal errors */ | |
403 | uint32_t n_err_nomem; /* Number of memory alloc failure */ | |
404 | uint32_t n_err_io; /* Number of IO failure */ | |
405 | enum csio_hw_ev n_evt_sm[CSIO_HWE_MAX]; /* Number of sm events */ | |
406 | uint64_t n_reset_start; /* Start time after the reset */ | |
407 | uint32_t rsvd1; | |
408 | }; | |
409 | ||
410 | /* Defines for hw->flags */ | |
411 | #define CSIO_HWF_MASTER 0x00000001 /* This is the Master | |
412 | * function for the | |
413 | * card. | |
414 | */ | |
415 | #define CSIO_HWF_HW_INTR_ENABLED 0x00000002 /* Are HW Interrupt | |
416 | * enable bit set? | |
417 | */ | |
418 | #define CSIO_HWF_FWEVT_PENDING 0x00000004 /* FW events pending */ | |
419 | #define CSIO_HWF_Q_MEM_ALLOCED 0x00000008 /* Queues have been | |
420 | * allocated memory. | |
421 | */ | |
422 | #define CSIO_HWF_Q_FW_ALLOCED 0x00000010 /* Queues have been | |
423 | * allocated in FW. | |
424 | */ | |
425 | #define CSIO_HWF_VPD_VALID 0x00000020 /* Valid VPD copied */ | |
426 | #define CSIO_HWF_DEVID_CACHED 0X00000040 /* PCI vendor & device | |
427 | * id cached */ | |
428 | #define CSIO_HWF_FWEVT_STOP 0x00000080 /* Stop processing | |
429 | * FW events | |
430 | */ | |
431 | #define CSIO_HWF_USING_SOFT_PARAMS 0x00000100 /* Using FW config | |
432 | * params | |
433 | */ | |
434 | #define CSIO_HWF_HOST_INTR_ENABLED 0x00000200 /* Are host interrupts | |
435 | * enabled? | |
436 | */ | |
437 | ||
438 | #define csio_is_hw_intr_enabled(__hw) \ | |
439 | ((__hw)->flags & CSIO_HWF_HW_INTR_ENABLED) | |
440 | #define csio_is_host_intr_enabled(__hw) \ | |
441 | ((__hw)->flags & CSIO_HWF_HOST_INTR_ENABLED) | |
442 | #define csio_is_hw_master(__hw) ((__hw)->flags & CSIO_HWF_MASTER) | |
443 | #define csio_is_valid_vpd(__hw) ((__hw)->flags & CSIO_HWF_VPD_VALID) | |
444 | #define csio_is_dev_id_cached(__hw) ((__hw)->flags & CSIO_HWF_DEVID_CACHED) | |
445 | #define csio_valid_vpd_copied(__hw) ((__hw)->flags |= CSIO_HWF_VPD_VALID) | |
446 | #define csio_dev_id_cached(__hw) ((__hw)->flags |= CSIO_HWF_DEVID_CACHED) | |
447 | ||
448 | /* Defines for intr_mode */ | |
449 | enum csio_intr_mode { | |
450 | CSIO_IM_NONE = 0, | |
451 | CSIO_IM_INTX = 1, | |
452 | CSIO_IM_MSI = 2, | |
453 | CSIO_IM_MSIX = 3, | |
454 | }; | |
455 | ||
456 | /* Master HW structure: One per function */ | |
457 | struct csio_hw { | |
458 | struct csio_sm sm; /* State machine: should | |
459 | * be the 1st member. | |
460 | */ | |
461 | spinlock_t lock; /* Lock for hw */ | |
462 | ||
463 | struct csio_scsim scsim; /* SCSI module*/ | |
464 | struct csio_wrm wrm; /* Work request module*/ | |
465 | struct pci_dev *pdev; /* PCI device */ | |
466 | ||
467 | void __iomem *regstart; /* Virtual address of | |
468 | * register map | |
469 | */ | |
470 | /* SCSI queue sets */ | |
471 | uint32_t num_sqsets; /* Number of SCSI | |
472 | * queue sets */ | |
473 | uint32_t num_scsi_msix_cpus; /* Number of CPUs that | |
474 | * will be used | |
475 | * for ingress | |
476 | * processing. | |
477 | */ | |
478 | ||
479 | struct csio_scsi_qset sqset[CSIO_MAX_PPORTS][CSIO_MAX_SCSI_CPU]; | |
480 | struct csio_scsi_cpu_info scsi_cpu_info[CSIO_MAX_PPORTS]; | |
481 | ||
482 | uint32_t evtflag; /* Event flag */ | |
483 | uint32_t flags; /* HW flags */ | |
484 | ||
485 | struct csio_mgmtm mgmtm; /* management module */ | |
486 | struct csio_mbm mbm; /* Mailbox module */ | |
487 | ||
488 | /* Lnodes */ | |
489 | uint32_t num_lns; /* Number of lnodes */ | |
490 | struct csio_lnode *rln; /* Root lnode */ | |
491 | struct list_head sln_head; /* Sibling node list | |
492 | * list | |
493 | */ | |
494 | int intr_iq_idx; /* Forward interrupt | |
495 | * queue. | |
496 | */ | |
497 | int fwevt_iq_idx; /* FW evt queue */ | |
498 | struct work_struct evtq_work; /* Worker thread for | |
499 | * HW events. | |
500 | */ | |
501 | struct list_head evt_free_q; /* freelist of evt | |
502 | * elements | |
503 | */ | |
504 | struct list_head evt_active_q; /* active evt queue*/ | |
505 | ||
506 | /* board related info */ | |
507 | char name[32]; | |
508 | char hw_ver[16]; | |
509 | char model_desc[32]; | |
510 | char drv_version[32]; | |
511 | char fwrev_str[32]; | |
512 | uint32_t optrom_ver; | |
513 | uint32_t fwrev; | |
514 | uint32_t tp_vers; | |
515 | char chip_ver; | |
516 | uint32_t cfg_finiver; | |
517 | uint32_t cfg_finicsum; | |
518 | uint32_t cfg_cfcsum; | |
519 | uint8_t cfg_csum_status; | |
520 | uint8_t cfg_store; | |
521 | enum csio_dev_state fw_state; | |
522 | struct csio_vpd vpd; | |
523 | ||
524 | uint8_t pfn; /* Physical Function | |
525 | * number | |
526 | */ | |
527 | uint32_t port_vec; /* Port vector */ | |
528 | uint8_t num_pports; /* Number of physical | |
529 | * ports. | |
530 | */ | |
531 | uint8_t rst_retries; /* Reset retries */ | |
532 | uint8_t cur_evt; /* current s/m evt */ | |
533 | uint8_t prev_evt; /* Previous s/m evt */ | |
534 | uint32_t dev_num; /* device number */ | |
535 | struct csio_pport pport[CSIO_MAX_PPORTS]; /* Ports (XGMACs) */ | |
536 | struct csio_hw_params params; /* Hw parameters */ | |
537 | ||
538 | struct pci_pool *scsi_pci_pool; /* PCI pool for SCSI */ | |
539 | mempool_t *mb_mempool; /* Mailbox memory pool*/ | |
540 | mempool_t *rnode_mempool; /* rnode memory pool */ | |
541 | ||
542 | /* Interrupt */ | |
543 | enum csio_intr_mode intr_mode; /* INTx, MSI, MSIX */ | |
544 | uint32_t fwevt_intr_idx; /* FW evt MSIX/interrupt | |
545 | * index | |
546 | */ | |
547 | uint32_t nondata_intr_idx; /* nondata MSIX/intr | |
548 | * idx | |
549 | */ | |
550 | ||
551 | uint8_t cfg_neq; /* FW configured no of | |
552 | * egress queues | |
553 | */ | |
554 | uint8_t cfg_niq; /* FW configured no of | |
555 | * iq queues. | |
556 | */ | |
557 | ||
558 | struct csio_fcoe_res_info fres_info; /* Fcoe resource info */ | |
559 | ||
560 | /* MSIX vectors */ | |
561 | struct csio_msix_entries msix_entries[CSIO_MAX_MSIX_VECS]; | |
562 | ||
563 | struct dentry *debugfs_root; /* Debug FS */ | |
564 | struct csio_hw_stats stats; /* Hw statistics */ | |
565 | }; | |
566 | ||
567 | /* Register access macros */ | |
568 | #define csio_reg(_b, _r) ((_b) + (_r)) | |
569 | ||
570 | #define csio_rd_reg8(_h, _r) readb(csio_reg((_h)->regstart, (_r))) | |
571 | #define csio_rd_reg16(_h, _r) readw(csio_reg((_h)->regstart, (_r))) | |
572 | #define csio_rd_reg32(_h, _r) readl(csio_reg((_h)->regstart, (_r))) | |
573 | #define csio_rd_reg64(_h, _r) readq(csio_reg((_h)->regstart, (_r))) | |
574 | ||
575 | #define csio_wr_reg8(_h, _v, _r) writeb((_v), \ | |
576 | csio_reg((_h)->regstart, (_r))) | |
577 | #define csio_wr_reg16(_h, _v, _r) writew((_v), \ | |
578 | csio_reg((_h)->regstart, (_r))) | |
579 | #define csio_wr_reg32(_h, _v, _r) writel((_v), \ | |
580 | csio_reg((_h)->regstart, (_r))) | |
581 | #define csio_wr_reg64(_h, _v, _r) writeq((_v), \ | |
582 | csio_reg((_h)->regstart, (_r))) | |
583 | ||
584 | void csio_set_reg_field(struct csio_hw *, uint32_t, uint32_t, uint32_t); | |
585 | ||
586 | /* Core clocks <==> uSecs */ | |
587 | static inline uint32_t | |
588 | csio_core_ticks_to_us(struct csio_hw *hw, uint32_t ticks) | |
589 | { | |
590 | /* add Core Clock / 2 to round ticks to nearest uS */ | |
591 | return (ticks * 1000 + hw->vpd.cclk/2) / hw->vpd.cclk; | |
592 | } | |
593 | ||
594 | static inline uint32_t | |
595 | csio_us_to_core_ticks(struct csio_hw *hw, uint32_t us) | |
596 | { | |
597 | return (us * hw->vpd.cclk) / 1000; | |
598 | } | |
599 | ||
600 | /* Easy access macros */ | |
601 | #define csio_hw_to_wrm(hw) ((struct csio_wrm *)(&(hw)->wrm)) | |
602 | #define csio_hw_to_mbm(hw) ((struct csio_mbm *)(&(hw)->mbm)) | |
603 | #define csio_hw_to_scsim(hw) ((struct csio_scsim *)(&(hw)->scsim)) | |
604 | #define csio_hw_to_mgmtm(hw) ((struct csio_mgmtm *)(&(hw)->mgmtm)) | |
605 | ||
606 | #define CSIO_PCI_BUS(hw) ((hw)->pdev->bus->number) | |
607 | #define CSIO_PCI_DEV(hw) (PCI_SLOT((hw)->pdev->devfn)) | |
608 | #define CSIO_PCI_FUNC(hw) (PCI_FUNC((hw)->pdev->devfn)) | |
609 | ||
610 | #define csio_set_fwevt_intr_idx(_h, _i) ((_h)->fwevt_intr_idx = (_i)) | |
611 | #define csio_get_fwevt_intr_idx(_h) ((_h)->fwevt_intr_idx) | |
612 | #define csio_set_nondata_intr_idx(_h, _i) ((_h)->nondata_intr_idx = (_i)) | |
613 | #define csio_get_nondata_intr_idx(_h) ((_h)->nondata_intr_idx) | |
614 | ||
615 | /* Printing/logging */ | |
616 | #define CSIO_DEVID(__dev) ((__dev)->dev_num) | |
617 | #define CSIO_DEVID_LO(__dev) (CSIO_DEVID((__dev)) & 0xFFFF) | |
618 | #define CSIO_DEVID_HI(__dev) ((CSIO_DEVID((__dev)) >> 16) & 0xFFFF) | |
619 | ||
620 | #define csio_info(__hw, __fmt, ...) \ | |
621 | dev_info(&(__hw)->pdev->dev, __fmt, ##__VA_ARGS__) | |
622 | ||
623 | #define csio_fatal(__hw, __fmt, ...) \ | |
624 | dev_crit(&(__hw)->pdev->dev, __fmt, ##__VA_ARGS__) | |
625 | ||
626 | #define csio_err(__hw, __fmt, ...) \ | |
627 | dev_err(&(__hw)->pdev->dev, __fmt, ##__VA_ARGS__) | |
628 | ||
629 | #define csio_warn(__hw, __fmt, ...) \ | |
630 | dev_warn(&(__hw)->pdev->dev, __fmt, ##__VA_ARGS__) | |
631 | ||
632 | #ifdef __CSIO_DEBUG__ | |
633 | #define csio_dbg(__hw, __fmt, ...) \ | |
634 | csio_info((__hw), __fmt, ##__VA_ARGS__); | |
635 | #else | |
636 | #define csio_dbg(__hw, __fmt, ...) | |
637 | #endif | |
638 | ||
639 | int csio_mgmt_req_lookup(struct csio_mgmtm *, struct csio_ioreq *); | |
640 | void csio_hw_intr_disable(struct csio_hw *); | |
641 | int csio_hw_slow_intr_handler(struct csio_hw *hw); | |
642 | int csio_hw_start(struct csio_hw *); | |
643 | int csio_hw_stop(struct csio_hw *); | |
644 | int csio_hw_reset(struct csio_hw *); | |
645 | int csio_is_hw_ready(struct csio_hw *); | |
646 | int csio_is_hw_removing(struct csio_hw *); | |
647 | ||
648 | int csio_fwevtq_handler(struct csio_hw *); | |
649 | void csio_evtq_worker(struct work_struct *); | |
650 | int csio_enqueue_evt(struct csio_hw *hw, enum csio_evt type, | |
651 | void *evt_msg, uint16_t len); | |
652 | void csio_evtq_flush(struct csio_hw *hw); | |
653 | ||
654 | int csio_request_irqs(struct csio_hw *); | |
655 | void csio_intr_enable(struct csio_hw *); | |
656 | void csio_intr_disable(struct csio_hw *, bool); | |
657 | ||
658 | struct csio_lnode *csio_lnode_alloc(struct csio_hw *); | |
659 | int csio_config_queues(struct csio_hw *); | |
660 | ||
5036f0a0 NKI |
661 | int csio_hw_mc_read(struct csio_hw *, uint32_t, __be32 *, uint64_t *); |
662 | int csio_hw_edc_read(struct csio_hw *, int, uint32_t, __be32 *, uint64_t *); | |
a3667aae NKI |
663 | int csio_hw_init(struct csio_hw *); |
664 | void csio_hw_exit(struct csio_hw *); | |
665 | #endif /* ifndef __CSIO_HW_H__ */ |