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10#ifndef _BEISCSI_MAIN_
11#define _BEISCSI_MAIN_
12
13#include <linux/kernel.h>
14#include <linux/pci.h>
15#include <linux/if_ether.h>
16#include <linux/in.h>
17#include <linux/ctype.h>
18#include <linux/module.h>
19#include <linux/aer.h>
20#include <scsi/scsi.h>
21#include <scsi/scsi_cmnd.h>
22#include <scsi/scsi_device.h>
23#include <scsi/scsi_host.h>
24#include <scsi/iscsi_proto.h>
25#include <scsi/libiscsi.h>
26#include <scsi/scsi_transport_iscsi.h>
27
28#define DRV_NAME "be2iscsi"
29#define BUILD_STR "11.4.0.1"
30#define BE_NAME "Emulex OneConnect" \
31 "Open-iSCSI Driver version" BUILD_STR
32#define DRV_DESC BE_NAME " " "Driver"
33
34#define BE_VENDOR_ID 0x19A2
35#define ELX_VENDOR_ID 0x10DF
36
37#define BE_DEVICE_ID1 0x212
38#define OC_DEVICE_ID1 0x702
39#define OC_DEVICE_ID2 0x703
40
41
42#define BE_DEVICE_ID2 0x222
43#define OC_DEVICE_ID3 0x712
44
45
46#define OC_SKH_ID1 0x722
47
48#define BE2_IO_DEPTH 1024
49#define BE2_MAX_SESSIONS 256
50#define BE2_TMFS 16
51#define BE2_NOPOUT_REQ 16
52#define BE2_SGE 32
53#define BE2_DEFPDU_HDR_SZ 64
54#define BE2_DEFPDU_DATA_SZ 8192
55#define BE2_MAX_NUM_CQ_PROC 512
56
57#define MAX_CPUS 64U
58#define BEISCSI_MAX_NUM_CPUS 7
59
60#define BEISCSI_VER_STRLEN 32
61
62#define BEISCSI_SGLIST_ELEMENTS 30
63
64
65
66
67
68
69#define BEISCSI_CMD_PER_LUN 128
70#define BEISCSI_MAX_SECTORS 1024
71#define BEISCSI_TEMPLATE_HDR_PER_CXN_SIZE 128
72
73#define BEISCSI_MAX_CMD_LEN 16
74#define BEISCSI_NUM_MAX_LUN 256
75#define BEISCSI_MAX_FRAGS_INIT 192
76
77#define BE_SENSE_INFO_SIZE 258
78#define BE_ISCSI_PDU_HEADER_SIZE 64
79#define BE_MIN_MEM_SIZE 16384
80#define MAX_CMD_SZ 65536
81#define IIOC_SCSI_DATA 0x05
82
83
84
85
86
87
88#define HWI_GET_ASYNC_PDU_CTX(phwi, ulp_num) \
89 (phwi->phwi_ctxt->pasync_ctx[ulp_num])
90
91
92#define PCICFG_MEMBAR_CTRL_INT_CTRL_OFFSET 0xfc
93
94
95
96
97
98
99
100#define MEMBAR_CTRL_INT_CTRL_HOSTINTR_MASK (1 << 29)
101
102
103#define CEV_ISR0_OFFSET 0xC18
104#define CEV_ISR_SIZE 4
105
106
107
108
109
110
111#define DB_TXULP0_OFFSET 0x40
112#define DB_RXULP0_OFFSET 0xA0
113
114#define DB_EQ_OFFSET DB_CQ_OFFSET
115#define DB_EQ_RING_ID_LOW_MASK 0x1FF
116
117#define DB_EQ_CLR_SHIFT (9)
118
119#define DB_EQ_EVNT_SHIFT (10)
120
121#define DB_EQ_RING_ID_HIGH_MASK 0x1F
122#define DB_EQ_HIGH_SET_SHIFT 11
123#define DB_EQ_HIGH_FEILD_SHIFT 9
124
125#define DB_EQ_NUM_POPPED_SHIFT (16)
126
127#define DB_EQ_REARM_SHIFT (29)
128
129
130#define DB_CQ_OFFSET 0x120
131#define DB_CQ_RING_ID_LOW_MASK 0x3FF
132
133#define DB_CQ_RING_ID_HIGH_MASK 0x1F
134#define DB_CQ_HIGH_SET_SHIFT 11
135#define DB_CQ_HIGH_FEILD_SHIFT 10
136
137
138#define DB_CQ_NUM_POPPED_SHIFT (16)
139
140#define DB_CQ_REARM_SHIFT (29)
141
142#define GET_HWI_CONTROLLER_WS(pc) (pc->phwi_ctrlr)
143#define HWI_GET_DEF_BUFQ_ID(pc, ulp_num) (((struct hwi_controller *)\
144 (GET_HWI_CONTROLLER_WS(pc)))->default_pdu_data[ulp_num].id)
145#define HWI_GET_DEF_HDRQ_ID(pc, ulp_num) (((struct hwi_controller *)\
146 (GET_HWI_CONTROLLER_WS(pc)))->default_pdu_hdr[ulp_num].id)
147
148#define PAGES_REQUIRED(x) \
149 ((x < PAGE_SIZE) ? 1 : ((x + PAGE_SIZE - 1) / PAGE_SIZE))
150
151#define MEM_DESCR_OFFSET 8
152#define BEISCSI_DEFQ_HDR 1
153#define BEISCSI_DEFQ_DATA 0
154enum be_mem_enum {
155 HWI_MEM_ADDN_CONTEXT,
156 HWI_MEM_WRB,
157 HWI_MEM_WRBH,
158 HWI_MEM_SGLH,
159 HWI_MEM_SGE,
160 HWI_MEM_TEMPLATE_HDR_ULP0,
161 HWI_MEM_ASYNC_HEADER_BUF_ULP0,
162 HWI_MEM_ASYNC_DATA_BUF_ULP0,
163 HWI_MEM_ASYNC_HEADER_RING_ULP0,
164 HWI_MEM_ASYNC_DATA_RING_ULP0,
165 HWI_MEM_ASYNC_HEADER_HANDLE_ULP0,
166 HWI_MEM_ASYNC_DATA_HANDLE_ULP0,
167 HWI_MEM_ASYNC_PDU_CONTEXT_ULP0,
168 HWI_MEM_TEMPLATE_HDR_ULP1,
169 HWI_MEM_ASYNC_HEADER_BUF_ULP1,
170 HWI_MEM_ASYNC_DATA_BUF_ULP1,
171 HWI_MEM_ASYNC_HEADER_RING_ULP1,
172 HWI_MEM_ASYNC_DATA_RING_ULP1,
173 HWI_MEM_ASYNC_HEADER_HANDLE_ULP1,
174 HWI_MEM_ASYNC_DATA_HANDLE_ULP1,
175 HWI_MEM_ASYNC_PDU_CONTEXT_ULP1,
176 ISCSI_MEM_GLOBAL_HEADER,
177 SE_MEM_MAX
178};
179
180struct be_bus_address32 {
181 unsigned int address_lo;
182 unsigned int address_hi;
183};
184
185struct be_bus_address64 {
186 unsigned long long address;
187};
188
189struct be_bus_address {
190 union {
191 struct be_bus_address32 a32;
192 struct be_bus_address64 a64;
193 } u;
194};
195
196struct mem_array {
197 struct be_bus_address bus_address;
198 void *virtual_address;
199 unsigned int size;
200};
201
202struct be_mem_descriptor {
203 unsigned int size_in_bytes;
204 unsigned int num_elements;
205 struct mem_array *mem_array;
206};
207
208struct sgl_handle {
209 unsigned int sgl_index;
210 unsigned int type;
211 unsigned int cid;
212 struct iscsi_task *task;
213 struct iscsi_sge *pfrag;
214};
215
216struct hba_parameters {
217 unsigned int ios_per_ctrl;
218 unsigned int cxns_per_ctrl;
219 unsigned int icds_per_ctrl;
220 unsigned int num_sge_per_io;
221 unsigned int defpdu_hdr_sz;
222 unsigned int defpdu_data_sz;
223 unsigned int num_cq_entries;
224 unsigned int num_eq_entries;
225 unsigned int wrbs_per_cxn;
226 unsigned int hwi_ws_sz;
227};
228
229#define BEISCSI_GET_ULP_FROM_CRI(phwi_ctrlr, cri) \
230 (phwi_ctrlr->wrb_context[cri].ulp_num)
231struct hwi_wrb_context {
232 spinlock_t wrb_lock;
233 struct wrb_handle **pwrb_handle_base;
234 struct wrb_handle **pwrb_handle_basestd;
235 struct iscsi_wrb *plast_wrb;
236 unsigned short alloc_index;
237 unsigned short free_index;
238 unsigned short wrb_handles_available;
239 unsigned short cid;
240 uint8_t ulp_num;
241 uint32_t doorbell_offset;
242};
243
244struct ulp_cid_info {
245 unsigned short *cid_array;
246 unsigned short avlbl_cids;
247 unsigned short cid_alloc;
248 unsigned short cid_free;
249};
250
251#include "be.h"
252#define chip_be2(phba) (phba->generation == BE_GEN2)
253#define chip_be3_r(phba) (phba->generation == BE_GEN3)
254#define is_chip_be2_be3r(phba) (chip_be3_r(phba) || (chip_be2(phba)))
255
256#define BEISCSI_ULP0 0
257#define BEISCSI_ULP1 1
258#define BEISCSI_ULP_COUNT 2
259#define BEISCSI_ULP0_LOADED 0x01
260#define BEISCSI_ULP1_LOADED 0x02
261
262#define BEISCSI_ULP_AVLBL_CID(phba, ulp_num) \
263 (((struct ulp_cid_info *)phba->cid_array_info[ulp_num])->avlbl_cids)
264#define BEISCSI_ULP0_AVLBL_CID(phba) \
265 BEISCSI_ULP_AVLBL_CID(phba, BEISCSI_ULP0)
266#define BEISCSI_ULP1_AVLBL_CID(phba) \
267 BEISCSI_ULP_AVLBL_CID(phba, BEISCSI_ULP1)
268
269struct beiscsi_hba {
270 struct hba_parameters params;
271 struct hwi_controller *phwi_ctrlr;
272 unsigned int mem_req[SE_MEM_MAX];
273
274 u8 __iomem *csr_va;
275 u8 __iomem *db_va;
276 u8 __iomem *pci_va;
277
278 struct pci_dev *pcidev;
279 unsigned int num_cpus;
280 unsigned int nxt_cqid;
281 char *msi_name[MAX_CPUS];
282 struct be_mem_descriptor *init_mem;
283
284 unsigned short io_sgl_alloc_index;
285 unsigned short io_sgl_free_index;
286 unsigned short io_sgl_hndl_avbl;
287 struct sgl_handle **io_sgl_hndl_base;
288
289 unsigned short eh_sgl_alloc_index;
290 unsigned short eh_sgl_free_index;
291 unsigned short eh_sgl_hndl_avbl;
292 struct sgl_handle **eh_sgl_hndl_base;
293 spinlock_t io_sgl_lock;
294 spinlock_t mgmt_sgl_lock;
295 spinlock_t async_pdu_lock;
296 struct list_head hba_queue;
297#define BE_MAX_SESSION 2048
298#define BE_INVALID_CID 0xffff
299#define BE_SET_CID_TO_CRI(cri_index, cid) \
300 (phba->cid_to_cri_map[cid] = cri_index)
301#define BE_GET_CRI_FROM_CID(cid) (phba->cid_to_cri_map[cid])
302 unsigned short cid_to_cri_map[BE_MAX_SESSION];
303 struct ulp_cid_info *cid_array_info[BEISCSI_ULP_COUNT];
304 struct iscsi_endpoint **ep_array;
305 struct beiscsi_conn **conn_table;
306 struct Scsi_Host *shost;
307 struct iscsi_iface *ipv4_iface;
308 struct iscsi_iface *ipv6_iface;
309 struct {
310
311
312
313
314#define BEISCSI_PHYS_PORT_MAX 4
315 unsigned int phys_port;
316
317 unsigned int eqid_count;
318 unsigned int cqid_count;
319 unsigned int iscsi_cid_start[BEISCSI_ULP_COUNT];
320#define BEISCSI_GET_CID_COUNT(phba, ulp_num) \
321 (phba->fw_config.iscsi_cid_count[ulp_num])
322 unsigned int iscsi_cid_count[BEISCSI_ULP_COUNT];
323 unsigned int iscsi_icd_count[BEISCSI_ULP_COUNT];
324 unsigned int iscsi_icd_start[BEISCSI_ULP_COUNT];
325 unsigned int iscsi_chain_start[BEISCSI_ULP_COUNT];
326 unsigned int iscsi_chain_count[BEISCSI_ULP_COUNT];
327
328 unsigned short iscsi_features;
329 uint16_t dual_ulp_aware;
330 unsigned long ulp_supported;
331 } fw_config;
332
333 unsigned long state;
334#define BEISCSI_HBA_ONLINE 0
335#define BEISCSI_HBA_LINK_UP 1
336#define BEISCSI_HBA_BOOT_FOUND 2
337#define BEISCSI_HBA_BOOT_WORK 3
338#define BEISCSI_HBA_UER_SUPP 4
339#define BEISCSI_HBA_PCI_ERR 5
340#define BEISCSI_HBA_FW_TIMEOUT 6
341#define BEISCSI_HBA_IN_UE 7
342#define BEISCSI_HBA_IN_TPE 8
343
344
345#define BEISCSI_HBA_IN_ERR ((1 << BEISCSI_HBA_PCI_ERR) | \
346 (1 << BEISCSI_HBA_FW_TIMEOUT) | \
347 (1 << BEISCSI_HBA_IN_UE) | \
348 (1 << BEISCSI_HBA_IN_TPE))
349
350 u8 optic_state;
351 struct delayed_work eqd_update;
352
353#define BEISCSI_EQD_UPDATE_INTERVAL 1000
354 struct timer_list hw_check;
355
356#define BEISCSI_UE_DETECT_INTERVAL 1000
357 u32 ue2rp;
358 struct delayed_work recover_port;
359 struct work_struct sess_work;
360
361 bool mac_addr_set;
362 u8 mac_address[ETH_ALEN];
363 u8 port_name;
364 u8 port_speed;
365 char fw_ver_str[BEISCSI_VER_STRLEN];
366 struct workqueue_struct *wq;
367 struct be_ctrl_info ctrl;
368 unsigned int generation;
369 unsigned int interface_handle;
370
371 struct be_aic_obj aic_obj[MAX_CPUS];
372 unsigned int attr_log_enable;
373 int (*iotask_fn)(struct iscsi_task *,
374 struct scatterlist *sg,
375 uint32_t num_sg, uint32_t xferlen,
376 uint32_t writedir);
377 struct boot_struct {
378 int retry;
379 unsigned int tag;
380 unsigned int s_handle;
381 struct be_dma_mem nonemb_cmd;
382 enum {
383 BEISCSI_BOOT_REOPEN_SESS = 1,
384 BEISCSI_BOOT_GET_SHANDLE,
385 BEISCSI_BOOT_GET_SINFO,
386 BEISCSI_BOOT_LOGOUT_SESS,
387 BEISCSI_BOOT_CREATE_KSET,
388 } action;
389 struct mgmt_session_info boot_sess;
390 struct iscsi_boot_kset *boot_kset;
391 } boot_struct;
392 struct work_struct boot_work;
393};
394
395#define beiscsi_hba_in_error(phba) ((phba)->state & BEISCSI_HBA_IN_ERR)
396#define beiscsi_hba_is_online(phba) \
397 (!beiscsi_hba_in_error((phba)) && \
398 test_bit(BEISCSI_HBA_ONLINE, &phba->state))
399
400struct beiscsi_session {
401 struct dma_pool *bhs_pool;
402};
403
404
405
406
407struct beiscsi_conn {
408 struct iscsi_conn *conn;
409 struct beiscsi_hba *phba;
410 u32 exp_statsn;
411 u32 doorbell_offset;
412 u32 beiscsi_conn_cid;
413 struct beiscsi_endpoint *ep;
414 unsigned short login_in_progress;
415 struct wrb_handle *plogin_wrb_handle;
416 struct sgl_handle *plogin_sgl_handle;
417 struct beiscsi_session *beiscsi_sess;
418 struct iscsi_task *task;
419};
420
421
422struct pdu_data_out {
423 u32 dw[12];
424};
425
426
427
428
429struct amap_pdu_data_out {
430 u8 opcode[6];
431 u8 rsvd0[2];
432 u8 rsvd1[7];
433 u8 final_bit;
434 u8 rsvd2[16];
435 u8 ahs_length[8];
436 u8 data_len_hi[8];
437 u8 data_len_lo[16];
438 u8 lun[64];
439 u8 itt[32];
440 u8 ttt[32];
441 u8 rsvd3[32];
442 u8 exp_stat_sn[32];
443 u8 rsvd4[32];
444 u8 data_sn[32];
445 u8 buffer_offset[32];
446 u8 rsvd5[32];
447};
448
449struct be_cmd_bhs {
450 struct iscsi_scsi_req iscsi_hdr;
451 unsigned char pad1[16];
452 struct pdu_data_out iscsi_data_pdu;
453 unsigned char pad2[BE_SENSE_INFO_SIZE -
454 sizeof(struct pdu_data_out)];
455};
456
457struct beiscsi_io_task {
458 struct wrb_handle *pwrb_handle;
459 struct sgl_handle *psgl_handle;
460 struct beiscsi_conn *conn;
461 struct scsi_cmnd *scsi_cmnd;
462 int num_sg;
463 struct hwi_wrb_context *pwrb_context;
464 itt_t libiscsi_itt;
465 struct be_cmd_bhs *cmd_bhs;
466 struct be_bus_address bhs_pa;
467 unsigned short bhs_len;
468 dma_addr_t mtask_addr;
469 uint32_t mtask_data_count;
470 uint8_t wrb_type;
471};
472
473struct be_nonio_bhs {
474 struct iscsi_hdr iscsi_hdr;
475 unsigned char pad1[16];
476 struct pdu_data_out iscsi_data_pdu;
477 unsigned char pad2[BE_SENSE_INFO_SIZE -
478 sizeof(struct pdu_data_out)];
479};
480
481struct be_status_bhs {
482 struct iscsi_scsi_req iscsi_hdr;
483 unsigned char pad1[16];
484
485
486
487
488 unsigned char sense_info[BE_SENSE_INFO_SIZE];
489};
490
491struct iscsi_sge {
492 u32 dw[4];
493};
494
495
496
497
498
499struct amap_iscsi_sge {
500 u8 addr_hi[32];
501 u8 addr_lo[32];
502 u8 sge_offset[22];
503 u8 rsvd0[9];
504 u8 last_sge;
505 u8 len[17];
506 u8 rsvd1[15];
507};
508
509struct beiscsi_offload_params {
510 u32 dw[6];
511};
512
513#define OFFLD_PARAMS_ERL 0x00000003
514#define OFFLD_PARAMS_DDE 0x00000004
515#define OFFLD_PARAMS_HDE 0x00000008
516#define OFFLD_PARAMS_IR2T 0x00000010
517#define OFFLD_PARAMS_IMD 0x00000020
518#define OFFLD_PARAMS_DATA_SEQ_INORDER 0x00000040
519#define OFFLD_PARAMS_PDU_SEQ_INORDER 0x00000080
520#define OFFLD_PARAMS_MAX_R2T 0x00FFFF00
521
522
523
524
525
526struct amap_beiscsi_offload_params {
527 u8 max_burst_length[32];
528 u8 max_send_data_segment_length[32];
529 u8 first_burst_length[32];
530 u8 erl[2];
531 u8 dde[1];
532 u8 hde[1];
533 u8 ir2t[1];
534 u8 imd[1];
535 u8 data_seq_inorder[1];
536 u8 pdu_seq_inorder[1];
537 u8 max_r2t[16];
538 u8 pad[8];
539 u8 exp_statsn[32];
540 u8 max_recv_data_segment_length[32];
541};
542
543struct hd_async_handle {
544 struct list_head link;
545 struct be_bus_address pa;
546 void *pbuffer;
547 u32 buffer_len;
548 u16 index;
549 u16 cri;
550 u8 is_header;
551 u8 is_final;
552 u8 in_use;
553};
554
555#define BEISCSI_ASYNC_HDQ_SIZE(phba, ulp) \
556 (BEISCSI_GET_CID_COUNT((phba), (ulp)) * 2)
557
558
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561
562
563
564
565
566struct hd_async_entry {
567 struct cri_wait_queue {
568 unsigned short hdr_len;
569 unsigned int bytes_received;
570 unsigned int bytes_needed;
571 struct list_head list;
572 } wq;
573
574 struct hd_async_handle *header;
575 struct hd_async_handle *data;
576};
577
578struct hd_async_buf_context {
579 struct be_bus_address pa_base;
580 void *va_base;
581 void *ring_base;
582 struct hd_async_handle *handle_base;
583 u32 buffer_size;
584 u16 pi;
585};
586
587
588
589
590struct hd_async_context {
591 struct hd_async_buf_context async_header;
592 struct hd_async_buf_context async_data;
593 u16 num_entries;
594
595
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597
598
599
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601
602
603
604
605
606
607
608#define BE_GET_ASYNC_CRI_FROM_CID(cid) (pasync_ctx->cid_to_async_cri_map[cid])
609 unsigned short cid_to_async_cri_map[BE_MAX_SESSION];
610
611
612
613 struct hd_async_entry *async_entry;
614};
615
616struct i_t_dpdu_cqe {
617 u32 dw[4];
618} __packed;
619
620
621
622
623
624struct amap_i_t_dpdu_cqe {
625 u8 db_addr_hi[32];
626 u8 db_addr_lo[32];
627 u8 code[6];
628 u8 cid[10];
629 u8 dpl[16];
630 u8 index[16];
631 u8 num_cons[10];
632 u8 rsvd0[4];
633 u8 final;
634 u8 valid;
635} __packed;
636
637struct amap_i_t_dpdu_cqe_v2 {
638 u8 db_addr_hi[32];
639 u8 db_addr_lo[32];
640 u8 code[6];
641 u8 num_cons;
642 u8 rsvd0[8];
643 u8 dpl[17];
644 u8 index[16];
645 u8 cid[13];
646 u8 rsvd1;
647 u8 final;
648 u8 valid;
649} __packed;
650
651#define CQE_VALID_MASK 0x80000000
652#define CQE_CODE_MASK 0x0000003F
653#define CQE_CID_MASK 0x0000FFC0
654
655#define EQE_VALID_MASK 0x00000001
656#define EQE_MAJORCODE_MASK 0x0000000E
657#define EQE_RESID_MASK 0xFFFF0000
658
659struct be_eq_entry {
660 u32 dw[1];
661} __packed;
662
663
664
665
666
667struct amap_eq_entry {
668 u8 valid;
669 u8 major_code[3];
670 u8 minor_code[12];
671 u8 resource_id[16];
672
673} __packed;
674
675struct cq_db {
676 u32 dw[1];
677} __packed;
678
679
680
681
682
683struct amap_cq_db {
684 u8 qid[10];
685 u8 event[1];
686 u8 rsvd0[5];
687 u8 num_popped[13];
688 u8 rearm[1];
689 u8 rsvd1[2];
690} __packed;
691
692void beiscsi_process_eq(struct beiscsi_hba *phba);
693
694struct iscsi_wrb {
695 u32 dw[16];
696} __packed;
697
698#define WRB_TYPE_MASK 0xF0000000
699#define SKH_WRB_TYPE_OFFSET 27
700#define BE_WRB_TYPE_OFFSET 28
701
702#define ADAPTER_SET_WRB_TYPE(pwrb, wrb_type, type_offset) \
703 (pwrb->dw[0] |= (wrb_type << type_offset))
704
705
706
707
708
709struct amap_iscsi_wrb {
710 u8 lun[14];
711 u8 lt;
712 u8 invld;
713 u8 wrb_idx[8];
714 u8 dsp;
715 u8 dmsg;
716 u8 undr_run;
717 u8 over_run;
718 u8 type[4];
719 u8 ptr2nextwrb[8];
720 u8 r2t_exp_dtl[24];
721 u8 sgl_icd_idx[12];
722 u8 rsvd0[20];
723 u8 exp_data_sn[32];
724 u8 iscsi_bhs_addr_hi[32];
725 u8 iscsi_bhs_addr_lo[32];
726 u8 cmdsn_itt[32];
727 u8 dif_ref_tag[32];
728 u8 sge0_addr_hi[32];
729 u8 sge0_addr_lo[32];
730 u8 sge0_offset[22];
731 u8 pbs;
732 u8 dif_mode[2];
733 u8 rsvd1[6];
734 u8 sge0_last;
735 u8 sge0_len[17];
736 u8 dif_meta_tag[14];
737 u8 sge0_in_ddr;
738 u8 sge1_addr_hi[32];
739 u8 sge1_addr_lo[32];
740 u8 sge1_r2t_offset[22];
741 u8 rsvd2[9];
742 u8 sge1_last;
743 u8 sge1_len[17];
744 u8 ref_sgl_icd_idx[12];
745 u8 rsvd3[2];
746 u8 sge1_in_ddr;
747
748} __packed;
749
750struct amap_iscsi_wrb_v2 {
751 u8 r2t_exp_dtl[25];
752 u8 rsvd0[2];
753 u8 type[5];
754 u8 ptr2nextwrb[8];
755 u8 wrb_idx[8];
756 u8 lun[16];
757 u8 sgl_idx[16];
758 u8 ref_sgl_icd_idx[16];
759 u8 exp_data_sn[32];
760 u8 iscsi_bhs_addr_hi[32];
761 u8 iscsi_bhs_addr_lo[32];
762 u8 cq_id[16];
763 u8 rsvd1[16];
764 u8 cmdsn_itt[32];
765 u8 sge0_addr_hi[32];
766 u8 sge0_addr_lo[32];
767 u8 sge0_offset[24];
768 u8 rsvd2[7];
769 u8 sge0_last;
770 u8 sge0_len[17];
771 u8 rsvd3[7];
772 u8 diff_enbl;
773 u8 u_run;
774 u8 o_run;
775 u8 invld;
776 u8 dsp;
777 u8 dmsg;
778 u8 rsvd4;
779 u8 lt;
780 u8 sge1_addr_hi[32];
781 u8 sge1_addr_lo[32];
782 u8 sge1_r2t_offset[24];
783 u8 rsvd5[7];
784 u8 sge1_last;
785 u8 sge1_len[17];
786 u8 rsvd6[15];
787} __packed;
788
789
790struct wrb_handle *alloc_wrb_handle(struct beiscsi_hba *phba, unsigned int cid,
791 struct hwi_wrb_context **pcontext);
792void
793free_mgmt_sgl_handle(struct beiscsi_hba *phba, struct sgl_handle *psgl_handle);
794
795void beiscsi_free_mgmt_task_handles(struct beiscsi_conn *beiscsi_conn,
796 struct iscsi_task *task);
797
798void hwi_ring_cq_db(struct beiscsi_hba *phba,
799 unsigned int id, unsigned int num_processed,
800 unsigned char rearm);
801
802unsigned int beiscsi_process_cq(struct be_eq_obj *pbe_eq, int budget);
803void beiscsi_process_mcc_cq(struct beiscsi_hba *phba);
804
805struct pdu_nop_out {
806 u32 dw[12];
807};
808
809
810
811
812
813struct amap_pdu_nop_out {
814 u8 opcode[6];
815 u8 i_bit;
816 u8 x_bit;
817 u8 fp_bit_filler1[7];
818 u8 f_bit;
819 u8 reserved1[16];
820 u8 ahs_length[8];
821 u8 data_len_hi[8];
822 u8 data_len_lo[16];
823 u8 lun[64];
824 u8 itt[32];
825 u8 ttt[32];
826 u8 cmd_sn[32];
827 u8 exp_stat_sn[32];
828 u8 reserved5[128];
829};
830
831#define PDUBASE_OPCODE_MASK 0x0000003F
832#define PDUBASE_DATALENHI_MASK 0x0000FF00
833#define PDUBASE_DATALENLO_MASK 0xFFFF0000
834
835struct pdu_base {
836 u32 dw[16];
837} __packed;
838
839
840
841
842
843struct amap_pdu_base {
844 u8 opcode[6];
845 u8 i_bit;
846 u8 x_bit;
847 u8 reserved1[24];
848 u8 ahs_length[8];
849 u8 data_len_hi[8];
850 u8 data_len_lo[16];
851 u8 lun[64];
852 u8 itt[32];
853 u8 reserved4[224];
854};
855
856struct iscsi_target_context_update_wrb {
857 u32 dw[16];
858} __packed;
859
860
861
862
863
864#define BE_TGT_CTX_UPDT_CMD 0x07
865struct amap_iscsi_target_context_update_wrb {
866 u8 lun[14];
867 u8 lt;
868 u8 invld;
869 u8 wrb_idx[8];
870 u8 dsp;
871 u8 dmsg;
872 u8 undr_run;
873 u8 over_run;
874 u8 type[4];
875 u8 ptr2nextwrb[8];
876 u8 max_burst_length[19];
877 u8 rsvd0[5];
878 u8 rsvd1[15];
879 u8 max_send_data_segment_length[17];
880 u8 first_burst_length[14];
881 u8 rsvd2[2];
882 u8 tx_wrbindex_drv_msg[8];
883 u8 rsvd3[5];
884 u8 session_state[3];
885 u8 rsvd4[16];
886 u8 tx_jumbo;
887 u8 hde;
888 u8 dde;
889 u8 erl[2];
890 u8 domain_id[5];
891 u8 mode;
892 u8 imd;
893 u8 ir2t;
894 u8 notpredblq[2];
895 u8 compltonack;
896 u8 stat_sn[32];
897 u8 pad_buffer_addr_hi[32];
898 u8 pad_buffer_addr_lo[32];
899 u8 pad_addr_hi[32];
900 u8 pad_addr_lo[32];
901 u8 rsvd5[32];
902 u8 rsvd6[32];
903 u8 rsvd7[32];
904 u8 rsvd8[32];
905 u8 rsvd9[32];
906 u8 rsvd10[32];
907
908} __packed;
909
910#define BEISCSI_MAX_RECV_DATASEG_LEN (64 * 1024)
911#define BEISCSI_MAX_CXNS 1
912struct amap_iscsi_target_context_update_wrb_v2 {
913 u8 max_burst_length[24];
914 u8 rsvd0[3];
915 u8 type[5];
916 u8 ptr2nextwrb[8];
917 u8 wrb_idx[8];
918 u8 rsvd1[16];
919 u8 max_send_data_segment_length[24];
920 u8 rsvd2[8];
921 u8 first_burst_length[24];
922 u8 rsvd3[8];
923 u8 max_r2t[16];
924 u8 rsvd4;
925 u8 hde;
926 u8 dde;
927 u8 erl[2];
928 u8 rsvd5[6];
929 u8 imd;
930 u8 ir2t;
931 u8 rsvd6[3];
932 u8 stat_sn[32];
933 u8 rsvd7[32];
934 u8 rsvd8[32];
935 u8 max_recv_dataseg_len[24];
936 u8 rsvd9[8];
937 u8 rsvd10[32];
938 u8 rsvd11[32];
939 u8 max_cxns[16];
940 u8 rsvd12[11];
941 u8 invld;
942 u8 rsvd13;
943 u8 dmsg;
944 u8 data_seq_inorder;
945 u8 pdu_seq_inorder;
946 u8 rsvd14[32];
947 u8 rsvd15[32];
948 u8 rsvd16[32];
949 u8 rsvd17[32];
950} __packed;
951
952
953struct be_ring {
954 u32 pages;
955 u32 id;
956 u32 num;
957 u32 cidx;
958 u32 pidx;
959 u32 item_size;
960 u8 ulp_num;
961 u16 register_set;
962 u16 doorbell_format;
963 u32 doorbell_offset;
964
965 void *va;
966
967
968
969};
970
971struct hwi_controller {
972 struct hwi_wrb_context *wrb_context;
973 struct be_ring default_pdu_hdr[BEISCSI_ULP_COUNT];
974 struct be_ring default_pdu_data[BEISCSI_ULP_COUNT];
975 struct hwi_context_memory *phwi_ctxt;
976};
977
978enum hwh_type_enum {
979 HWH_TYPE_IO = 1,
980 HWH_TYPE_LOGOUT = 2,
981 HWH_TYPE_TMF = 3,
982 HWH_TYPE_NOP = 4,
983 HWH_TYPE_IO_RD = 5,
984 HWH_TYPE_LOGIN = 11,
985 HWH_TYPE_INVALID = 0xFFFFFFFF
986};
987
988struct wrb_handle {
989 unsigned short wrb_index;
990 struct iscsi_task *pio_handle;
991 struct iscsi_wrb *pwrb;
992};
993
994struct hwi_context_memory {
995 struct be_eq_obj be_eq[MAX_CPUS];
996 struct be_queue_info be_cq[MAX_CPUS - 1];
997
998 struct be_queue_info *be_wrbq;
999
1000
1001
1002
1003
1004 struct be_queue_info be_def_hdrq[BEISCSI_ULP_COUNT];
1005 struct be_queue_info be_def_dataq[BEISCSI_ULP_COUNT];
1006 struct hd_async_context *pasync_ctx[BEISCSI_ULP_COUNT];
1007};
1008
1009void beiscsi_start_boot_work(struct beiscsi_hba *phba, unsigned int s_handle);
1010
1011
1012#define BEISCSI_LOG_INIT 0x0001
1013#define BEISCSI_LOG_MBOX 0x0002
1014#define BEISCSI_LOG_MISC 0x0004
1015#define BEISCSI_LOG_EH 0x0008
1016#define BEISCSI_LOG_IO 0x0010
1017#define BEISCSI_LOG_CONFIG 0x0020
1018#define BEISCSI_LOG_ISCSI 0x0040
1019
1020#define __beiscsi_log(phba, level, fmt, arg...) \
1021 shost_printk(level, phba->shost, fmt, __LINE__, ##arg)
1022
1023#define beiscsi_log(phba, level, mask, fmt, arg...) \
1024do { \
1025 uint32_t log_value = phba->attr_log_enable; \
1026 if (((mask) & log_value) || (level[1] <= '3')) \
1027 __beiscsi_log(phba, level, fmt, ##arg); \
1028} while (0);
1029
1030#endif
1031