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15#ifndef _BEISCSI_MAIN_
16#define _BEISCSI_MAIN_
17
18#include <linux/kernel.h>
19#include <linux/pci.h>
20#include <linux/if_ether.h>
21#include <linux/in.h>
22#include <linux/ctype.h>
23#include <linux/module.h>
24#include <linux/aer.h>
25#include <scsi/scsi.h>
26#include <scsi/scsi_cmnd.h>
27#include <scsi/scsi_device.h>
28#include <scsi/scsi_host.h>
29#include <scsi/iscsi_proto.h>
30#include <scsi/libiscsi.h>
31#include <scsi/scsi_transport_iscsi.h>
32
33#define DRV_NAME "be2iscsi"
34#define BUILD_STR "11.4.0.1"
35#define BE_NAME "Emulex OneConnect" \
36 "Open-iSCSI Driver version" BUILD_STR
37#define DRV_DESC BE_NAME " " "Driver"
38
39#define BE_VENDOR_ID 0x19A2
40#define ELX_VENDOR_ID 0x10DF
41
42#define BE_DEVICE_ID1 0x212
43#define OC_DEVICE_ID1 0x702
44#define OC_DEVICE_ID2 0x703
45
46
47#define BE_DEVICE_ID2 0x222
48#define OC_DEVICE_ID3 0x712
49
50
51#define OC_SKH_ID1 0x722
52
53#define BE2_IO_DEPTH 1024
54#define BE2_MAX_SESSIONS 256
55#define BE2_TMFS 16
56#define BE2_NOPOUT_REQ 16
57#define BE2_SGE 32
58#define BE2_DEFPDU_HDR_SZ 64
59#define BE2_DEFPDU_DATA_SZ 8192
60#define BE2_MAX_NUM_CQ_PROC 512
61
62#define MAX_CPUS 64U
63#define BEISCSI_MAX_NUM_CPUS 7
64
65#define BEISCSI_VER_STRLEN 32
66
67#define BEISCSI_SGLIST_ELEMENTS 30
68
69
70
71
72
73
74#define BEISCSI_CMD_PER_LUN 128
75#define BEISCSI_MAX_SECTORS 1024
76#define BEISCSI_TEMPLATE_HDR_PER_CXN_SIZE 128
77
78#define BEISCSI_MAX_CMD_LEN 16
79#define BEISCSI_NUM_MAX_LUN 256
80#define BEISCSI_MAX_FRAGS_INIT 192
81
82#define BE_SENSE_INFO_SIZE 258
83#define BE_ISCSI_PDU_HEADER_SIZE 64
84#define BE_MIN_MEM_SIZE 16384
85#define MAX_CMD_SZ 65536
86#define IIOC_SCSI_DATA 0x05
87
88
89
90
91
92
93#define HWI_GET_ASYNC_PDU_CTX(phwi, ulp_num) \
94 (phwi->phwi_ctxt->pasync_ctx[ulp_num])
95
96
97#define PCICFG_MEMBAR_CTRL_INT_CTRL_OFFSET 0xfc
98
99
100
101
102
103
104
105#define MEMBAR_CTRL_INT_CTRL_HOSTINTR_MASK (1 << 29)
106
107
108#define CEV_ISR0_OFFSET 0xC18
109#define CEV_ISR_SIZE 4
110
111
112
113
114
115
116#define DB_TXULP0_OFFSET 0x40
117#define DB_RXULP0_OFFSET 0xA0
118
119#define DB_EQ_OFFSET DB_CQ_OFFSET
120#define DB_EQ_RING_ID_LOW_MASK 0x1FF
121
122#define DB_EQ_CLR_SHIFT (9)
123
124#define DB_EQ_EVNT_SHIFT (10)
125
126#define DB_EQ_RING_ID_HIGH_MASK 0x1F
127#define DB_EQ_HIGH_SET_SHIFT 11
128#define DB_EQ_HIGH_FEILD_SHIFT 9
129
130#define DB_EQ_NUM_POPPED_SHIFT (16)
131
132#define DB_EQ_REARM_SHIFT (29)
133
134
135#define DB_CQ_OFFSET 0x120
136#define DB_CQ_RING_ID_LOW_MASK 0x3FF
137
138#define DB_CQ_RING_ID_HIGH_MASK 0x1F
139#define DB_CQ_HIGH_SET_SHIFT 11
140#define DB_CQ_HIGH_FEILD_SHIFT 10
141
142
143#define DB_CQ_NUM_POPPED_SHIFT (16)
144
145#define DB_CQ_REARM_SHIFT (29)
146
147#define GET_HWI_CONTROLLER_WS(pc) (pc->phwi_ctrlr)
148#define HWI_GET_DEF_BUFQ_ID(pc, ulp_num) (((struct hwi_controller *)\
149 (GET_HWI_CONTROLLER_WS(pc)))->default_pdu_data[ulp_num].id)
150#define HWI_GET_DEF_HDRQ_ID(pc, ulp_num) (((struct hwi_controller *)\
151 (GET_HWI_CONTROLLER_WS(pc)))->default_pdu_hdr[ulp_num].id)
152
153#define PAGES_REQUIRED(x) \
154 ((x < PAGE_SIZE) ? 1 : ((x + PAGE_SIZE - 1) / PAGE_SIZE))
155
156#define MEM_DESCR_OFFSET 8
157#define BEISCSI_DEFQ_HDR 1
158#define BEISCSI_DEFQ_DATA 0
159enum be_mem_enum {
160 HWI_MEM_ADDN_CONTEXT,
161 HWI_MEM_WRB,
162 HWI_MEM_WRBH,
163 HWI_MEM_SGLH,
164 HWI_MEM_SGE,
165 HWI_MEM_TEMPLATE_HDR_ULP0,
166 HWI_MEM_ASYNC_HEADER_BUF_ULP0,
167 HWI_MEM_ASYNC_DATA_BUF_ULP0,
168 HWI_MEM_ASYNC_HEADER_RING_ULP0,
169 HWI_MEM_ASYNC_DATA_RING_ULP0,
170 HWI_MEM_ASYNC_HEADER_HANDLE_ULP0,
171 HWI_MEM_ASYNC_DATA_HANDLE_ULP0,
172 HWI_MEM_ASYNC_PDU_CONTEXT_ULP0,
173 HWI_MEM_TEMPLATE_HDR_ULP1,
174 HWI_MEM_ASYNC_HEADER_BUF_ULP1,
175 HWI_MEM_ASYNC_DATA_BUF_ULP1,
176 HWI_MEM_ASYNC_HEADER_RING_ULP1,
177 HWI_MEM_ASYNC_DATA_RING_ULP1,
178 HWI_MEM_ASYNC_HEADER_HANDLE_ULP1,
179 HWI_MEM_ASYNC_DATA_HANDLE_ULP1,
180 HWI_MEM_ASYNC_PDU_CONTEXT_ULP1,
181 ISCSI_MEM_GLOBAL_HEADER,
182 SE_MEM_MAX
183};
184
185struct be_bus_address32 {
186 unsigned int address_lo;
187 unsigned int address_hi;
188};
189
190struct be_bus_address64 {
191 unsigned long long address;
192};
193
194struct be_bus_address {
195 union {
196 struct be_bus_address32 a32;
197 struct be_bus_address64 a64;
198 } u;
199};
200
201struct mem_array {
202 struct be_bus_address bus_address;
203 void *virtual_address;
204 unsigned int size;
205};
206
207struct be_mem_descriptor {
208 unsigned int size_in_bytes;
209 unsigned int num_elements;
210 struct mem_array *mem_array;
211};
212
213struct sgl_handle {
214 unsigned int sgl_index;
215 unsigned int type;
216 unsigned int cid;
217 struct iscsi_task *task;
218 struct iscsi_sge *pfrag;
219};
220
221struct hba_parameters {
222 unsigned int ios_per_ctrl;
223 unsigned int cxns_per_ctrl;
224 unsigned int icds_per_ctrl;
225 unsigned int num_sge_per_io;
226 unsigned int defpdu_hdr_sz;
227 unsigned int defpdu_data_sz;
228 unsigned int num_cq_entries;
229 unsigned int num_eq_entries;
230 unsigned int wrbs_per_cxn;
231 unsigned int hwi_ws_sz;
232};
233
234#define BEISCSI_GET_ULP_FROM_CRI(phwi_ctrlr, cri) \
235 (phwi_ctrlr->wrb_context[cri].ulp_num)
236struct hwi_wrb_context {
237 spinlock_t wrb_lock;
238 struct wrb_handle **pwrb_handle_base;
239 struct wrb_handle **pwrb_handle_basestd;
240 struct iscsi_wrb *plast_wrb;
241 unsigned short alloc_index;
242 unsigned short free_index;
243 unsigned short wrb_handles_available;
244 unsigned short cid;
245 uint8_t ulp_num;
246 uint32_t doorbell_offset;
247};
248
249struct ulp_cid_info {
250 unsigned short *cid_array;
251 unsigned short avlbl_cids;
252 unsigned short cid_alloc;
253 unsigned short cid_free;
254};
255
256#include "be.h"
257#define chip_be2(phba) (phba->generation == BE_GEN2)
258#define chip_be3_r(phba) (phba->generation == BE_GEN3)
259#define is_chip_be2_be3r(phba) (chip_be3_r(phba) || (chip_be2(phba)))
260
261#define BEISCSI_ULP0 0
262#define BEISCSI_ULP1 1
263#define BEISCSI_ULP_COUNT 2
264#define BEISCSI_ULP0_LOADED 0x01
265#define BEISCSI_ULP1_LOADED 0x02
266
267#define BEISCSI_ULP_AVLBL_CID(phba, ulp_num) \
268 (((struct ulp_cid_info *)phba->cid_array_info[ulp_num])->avlbl_cids)
269#define BEISCSI_ULP0_AVLBL_CID(phba) \
270 BEISCSI_ULP_AVLBL_CID(phba, BEISCSI_ULP0)
271#define BEISCSI_ULP1_AVLBL_CID(phba) \
272 BEISCSI_ULP_AVLBL_CID(phba, BEISCSI_ULP1)
273
274struct beiscsi_hba {
275 struct hba_parameters params;
276 struct hwi_controller *phwi_ctrlr;
277 unsigned int mem_req[SE_MEM_MAX];
278
279 u8 __iomem *csr_va;
280 u8 __iomem *db_va;
281 u8 __iomem *pci_va;
282
283 struct pci_dev *pcidev;
284 unsigned int num_cpus;
285 unsigned int nxt_cqid;
286 char *msi_name[MAX_CPUS];
287 struct be_mem_descriptor *init_mem;
288
289 unsigned short io_sgl_alloc_index;
290 unsigned short io_sgl_free_index;
291 unsigned short io_sgl_hndl_avbl;
292 struct sgl_handle **io_sgl_hndl_base;
293
294 unsigned short eh_sgl_alloc_index;
295 unsigned short eh_sgl_free_index;
296 unsigned short eh_sgl_hndl_avbl;
297 struct sgl_handle **eh_sgl_hndl_base;
298 spinlock_t io_sgl_lock;
299 spinlock_t mgmt_sgl_lock;
300 spinlock_t async_pdu_lock;
301 struct list_head hba_queue;
302#define BE_MAX_SESSION 2048
303#define BE_INVALID_CID 0xffff
304#define BE_SET_CID_TO_CRI(cri_index, cid) \
305 (phba->cid_to_cri_map[cid] = cri_index)
306#define BE_GET_CRI_FROM_CID(cid) (phba->cid_to_cri_map[cid])
307 unsigned short cid_to_cri_map[BE_MAX_SESSION];
308 struct ulp_cid_info *cid_array_info[BEISCSI_ULP_COUNT];
309 struct iscsi_endpoint **ep_array;
310 struct beiscsi_conn **conn_table;
311 struct Scsi_Host *shost;
312 struct iscsi_iface *ipv4_iface;
313 struct iscsi_iface *ipv6_iface;
314 struct {
315
316
317
318
319#define BEISCSI_PHYS_PORT_MAX 4
320 unsigned int phys_port;
321
322 unsigned int eqid_count;
323 unsigned int cqid_count;
324 unsigned int iscsi_cid_start[BEISCSI_ULP_COUNT];
325#define BEISCSI_GET_CID_COUNT(phba, ulp_num) \
326 (phba->fw_config.iscsi_cid_count[ulp_num])
327 unsigned int iscsi_cid_count[BEISCSI_ULP_COUNT];
328 unsigned int iscsi_icd_count[BEISCSI_ULP_COUNT];
329 unsigned int iscsi_icd_start[BEISCSI_ULP_COUNT];
330 unsigned int iscsi_chain_start[BEISCSI_ULP_COUNT];
331 unsigned int iscsi_chain_count[BEISCSI_ULP_COUNT];
332
333 unsigned short iscsi_features;
334 uint16_t dual_ulp_aware;
335 unsigned long ulp_supported;
336 } fw_config;
337
338 unsigned long state;
339#define BEISCSI_HBA_ONLINE 0
340#define BEISCSI_HBA_LINK_UP 1
341#define BEISCSI_HBA_BOOT_FOUND 2
342#define BEISCSI_HBA_BOOT_WORK 3
343#define BEISCSI_HBA_UER_SUPP 4
344#define BEISCSI_HBA_PCI_ERR 5
345#define BEISCSI_HBA_FW_TIMEOUT 6
346#define BEISCSI_HBA_IN_UE 7
347#define BEISCSI_HBA_IN_TPE 8
348
349
350#define BEISCSI_HBA_IN_ERR ((1 << BEISCSI_HBA_PCI_ERR) | \
351 (1 << BEISCSI_HBA_FW_TIMEOUT) | \
352 (1 << BEISCSI_HBA_IN_UE) | \
353 (1 << BEISCSI_HBA_IN_TPE))
354
355 u8 optic_state;
356 struct delayed_work eqd_update;
357
358#define BEISCSI_EQD_UPDATE_INTERVAL 1000
359 struct timer_list hw_check;
360
361#define BEISCSI_UE_DETECT_INTERVAL 1000
362 u32 ue2rp;
363 struct delayed_work recover_port;
364 struct work_struct sess_work;
365
366 bool mac_addr_set;
367 u8 mac_address[ETH_ALEN];
368 u8 port_name;
369 u8 port_speed;
370 char fw_ver_str[BEISCSI_VER_STRLEN];
371 struct workqueue_struct *wq;
372 struct be_ctrl_info ctrl;
373 unsigned int generation;
374 unsigned int interface_handle;
375
376 struct be_aic_obj aic_obj[MAX_CPUS];
377 unsigned int attr_log_enable;
378 int (*iotask_fn)(struct iscsi_task *,
379 struct scatterlist *sg,
380 uint32_t num_sg, uint32_t xferlen,
381 uint32_t writedir);
382 struct boot_struct {
383 int retry;
384 unsigned int tag;
385 unsigned int s_handle;
386 struct be_dma_mem nonemb_cmd;
387 enum {
388 BEISCSI_BOOT_REOPEN_SESS = 1,
389 BEISCSI_BOOT_GET_SHANDLE,
390 BEISCSI_BOOT_GET_SINFO,
391 BEISCSI_BOOT_LOGOUT_SESS,
392 BEISCSI_BOOT_CREATE_KSET,
393 } action;
394 struct mgmt_session_info boot_sess;
395 struct iscsi_boot_kset *boot_kset;
396 } boot_struct;
397 struct work_struct boot_work;
398};
399
400#define beiscsi_hba_in_error(phba) ((phba)->state & BEISCSI_HBA_IN_ERR)
401#define beiscsi_hba_is_online(phba) \
402 (!beiscsi_hba_in_error((phba)) && \
403 test_bit(BEISCSI_HBA_ONLINE, &phba->state))
404
405struct beiscsi_session {
406 struct dma_pool *bhs_pool;
407};
408
409
410
411
412struct beiscsi_conn {
413 struct iscsi_conn *conn;
414 struct beiscsi_hba *phba;
415 u32 exp_statsn;
416 u32 doorbell_offset;
417 u32 beiscsi_conn_cid;
418 struct beiscsi_endpoint *ep;
419 unsigned short login_in_progress;
420 struct wrb_handle *plogin_wrb_handle;
421 struct sgl_handle *plogin_sgl_handle;
422 struct beiscsi_session *beiscsi_sess;
423 struct iscsi_task *task;
424};
425
426
427struct pdu_data_out {
428 u32 dw[12];
429};
430
431
432
433
434struct amap_pdu_data_out {
435 u8 opcode[6];
436 u8 rsvd0[2];
437 u8 rsvd1[7];
438 u8 final_bit;
439 u8 rsvd2[16];
440 u8 ahs_length[8];
441 u8 data_len_hi[8];
442 u8 data_len_lo[16];
443 u8 lun[64];
444 u8 itt[32];
445 u8 ttt[32];
446 u8 rsvd3[32];
447 u8 exp_stat_sn[32];
448 u8 rsvd4[32];
449 u8 data_sn[32];
450 u8 buffer_offset[32];
451 u8 rsvd5[32];
452};
453
454struct be_cmd_bhs {
455 struct iscsi_scsi_req iscsi_hdr;
456 unsigned char pad1[16];
457 struct pdu_data_out iscsi_data_pdu;
458 unsigned char pad2[BE_SENSE_INFO_SIZE -
459 sizeof(struct pdu_data_out)];
460};
461
462struct beiscsi_io_task {
463 struct wrb_handle *pwrb_handle;
464 struct sgl_handle *psgl_handle;
465 struct beiscsi_conn *conn;
466 struct scsi_cmnd *scsi_cmnd;
467 int num_sg;
468 struct hwi_wrb_context *pwrb_context;
469 itt_t libiscsi_itt;
470 struct be_cmd_bhs *cmd_bhs;
471 struct be_bus_address bhs_pa;
472 unsigned short bhs_len;
473 dma_addr_t mtask_addr;
474 uint32_t mtask_data_count;
475 uint8_t wrb_type;
476};
477
478struct be_nonio_bhs {
479 struct iscsi_hdr iscsi_hdr;
480 unsigned char pad1[16];
481 struct pdu_data_out iscsi_data_pdu;
482 unsigned char pad2[BE_SENSE_INFO_SIZE -
483 sizeof(struct pdu_data_out)];
484};
485
486struct be_status_bhs {
487 struct iscsi_scsi_req iscsi_hdr;
488 unsigned char pad1[16];
489
490
491
492
493 unsigned char sense_info[BE_SENSE_INFO_SIZE];
494};
495
496struct iscsi_sge {
497 u32 dw[4];
498};
499
500
501
502
503
504struct amap_iscsi_sge {
505 u8 addr_hi[32];
506 u8 addr_lo[32];
507 u8 sge_offset[22];
508 u8 rsvd0[9];
509 u8 last_sge;
510 u8 len[17];
511 u8 rsvd1[15];
512};
513
514struct beiscsi_offload_params {
515 u32 dw[6];
516};
517
518#define OFFLD_PARAMS_ERL 0x00000003
519#define OFFLD_PARAMS_DDE 0x00000004
520#define OFFLD_PARAMS_HDE 0x00000008
521#define OFFLD_PARAMS_IR2T 0x00000010
522#define OFFLD_PARAMS_IMD 0x00000020
523#define OFFLD_PARAMS_DATA_SEQ_INORDER 0x00000040
524#define OFFLD_PARAMS_PDU_SEQ_INORDER 0x00000080
525#define OFFLD_PARAMS_MAX_R2T 0x00FFFF00
526
527
528
529
530
531struct amap_beiscsi_offload_params {
532 u8 max_burst_length[32];
533 u8 max_send_data_segment_length[32];
534 u8 first_burst_length[32];
535 u8 erl[2];
536 u8 dde[1];
537 u8 hde[1];
538 u8 ir2t[1];
539 u8 imd[1];
540 u8 data_seq_inorder[1];
541 u8 pdu_seq_inorder[1];
542 u8 max_r2t[16];
543 u8 pad[8];
544 u8 exp_statsn[32];
545 u8 max_recv_data_segment_length[32];
546};
547
548struct hd_async_handle {
549 struct list_head link;
550 struct be_bus_address pa;
551 void *pbuffer;
552 u32 buffer_len;
553 u16 index;
554 u16 cri;
555 u8 is_header;
556 u8 is_final;
557 u8 in_use;
558};
559
560#define BEISCSI_ASYNC_HDQ_SIZE(phba, ulp) \
561 (BEISCSI_GET_CID_COUNT((phba), (ulp)) * 2)
562
563
564
565
566
567
568
569
570
571struct hd_async_entry {
572 struct cri_wait_queue {
573 unsigned short hdr_len;
574 unsigned int bytes_received;
575 unsigned int bytes_needed;
576 struct list_head list;
577 } wq;
578
579 struct hd_async_handle *header;
580 struct hd_async_handle *data;
581};
582
583struct hd_async_buf_context {
584 struct be_bus_address pa_base;
585 void *va_base;
586 void *ring_base;
587 struct hd_async_handle *handle_base;
588 u32 buffer_size;
589 u16 pi;
590};
591
592
593
594
595struct hd_async_context {
596 struct hd_async_buf_context async_header;
597 struct hd_async_buf_context async_data;
598 u16 num_entries;
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613#define BE_GET_ASYNC_CRI_FROM_CID(cid) (pasync_ctx->cid_to_async_cri_map[cid])
614 unsigned short cid_to_async_cri_map[BE_MAX_SESSION];
615
616
617
618 struct hd_async_entry *async_entry;
619};
620
621struct i_t_dpdu_cqe {
622 u32 dw[4];
623} __packed;
624
625
626
627
628
629struct amap_i_t_dpdu_cqe {
630 u8 db_addr_hi[32];
631 u8 db_addr_lo[32];
632 u8 code[6];
633 u8 cid[10];
634 u8 dpl[16];
635 u8 index[16];
636 u8 num_cons[10];
637 u8 rsvd0[4];
638 u8 final;
639 u8 valid;
640} __packed;
641
642struct amap_i_t_dpdu_cqe_v2 {
643 u8 db_addr_hi[32];
644 u8 db_addr_lo[32];
645 u8 code[6];
646 u8 num_cons;
647 u8 rsvd0[8];
648 u8 dpl[17];
649 u8 index[16];
650 u8 cid[13];
651 u8 rsvd1;
652 u8 final;
653 u8 valid;
654} __packed;
655
656#define CQE_VALID_MASK 0x80000000
657#define CQE_CODE_MASK 0x0000003F
658#define CQE_CID_MASK 0x0000FFC0
659
660#define EQE_VALID_MASK 0x00000001
661#define EQE_MAJORCODE_MASK 0x0000000E
662#define EQE_RESID_MASK 0xFFFF0000
663
664struct be_eq_entry {
665 u32 dw[1];
666} __packed;
667
668
669
670
671
672struct amap_eq_entry {
673 u8 valid;
674 u8 major_code[3];
675 u8 minor_code[12];
676 u8 resource_id[16];
677
678} __packed;
679
680struct cq_db {
681 u32 dw[1];
682} __packed;
683
684
685
686
687
688struct amap_cq_db {
689 u8 qid[10];
690 u8 event[1];
691 u8 rsvd0[5];
692 u8 num_popped[13];
693 u8 rearm[1];
694 u8 rsvd1[2];
695} __packed;
696
697void beiscsi_process_eq(struct beiscsi_hba *phba);
698
699struct iscsi_wrb {
700 u32 dw[16];
701} __packed;
702
703#define WRB_TYPE_MASK 0xF0000000
704#define SKH_WRB_TYPE_OFFSET 27
705#define BE_WRB_TYPE_OFFSET 28
706
707#define ADAPTER_SET_WRB_TYPE(pwrb, wrb_type, type_offset) \
708 (pwrb->dw[0] |= (wrb_type << type_offset))
709
710
711
712
713
714struct amap_iscsi_wrb {
715 u8 lun[14];
716 u8 lt;
717 u8 invld;
718 u8 wrb_idx[8];
719 u8 dsp;
720 u8 dmsg;
721 u8 undr_run;
722 u8 over_run;
723 u8 type[4];
724 u8 ptr2nextwrb[8];
725 u8 r2t_exp_dtl[24];
726 u8 sgl_icd_idx[12];
727 u8 rsvd0[20];
728 u8 exp_data_sn[32];
729 u8 iscsi_bhs_addr_hi[32];
730 u8 iscsi_bhs_addr_lo[32];
731 u8 cmdsn_itt[32];
732 u8 dif_ref_tag[32];
733 u8 sge0_addr_hi[32];
734 u8 sge0_addr_lo[32];
735 u8 sge0_offset[22];
736 u8 pbs;
737 u8 dif_mode[2];
738 u8 rsvd1[6];
739 u8 sge0_last;
740 u8 sge0_len[17];
741 u8 dif_meta_tag[14];
742 u8 sge0_in_ddr;
743 u8 sge1_addr_hi[32];
744 u8 sge1_addr_lo[32];
745 u8 sge1_r2t_offset[22];
746 u8 rsvd2[9];
747 u8 sge1_last;
748 u8 sge1_len[17];
749 u8 ref_sgl_icd_idx[12];
750 u8 rsvd3[2];
751 u8 sge1_in_ddr;
752
753} __packed;
754
755struct amap_iscsi_wrb_v2 {
756 u8 r2t_exp_dtl[25];
757 u8 rsvd0[2];
758 u8 type[5];
759 u8 ptr2nextwrb[8];
760 u8 wrb_idx[8];
761 u8 lun[16];
762 u8 sgl_idx[16];
763 u8 ref_sgl_icd_idx[16];
764 u8 exp_data_sn[32];
765 u8 iscsi_bhs_addr_hi[32];
766 u8 iscsi_bhs_addr_lo[32];
767 u8 cq_id[16];
768 u8 rsvd1[16];
769 u8 cmdsn_itt[32];
770 u8 sge0_addr_hi[32];
771 u8 sge0_addr_lo[32];
772 u8 sge0_offset[24];
773 u8 rsvd2[7];
774 u8 sge0_last;
775 u8 sge0_len[17];
776 u8 rsvd3[7];
777 u8 diff_enbl;
778 u8 u_run;
779 u8 o_run;
780 u8 invld;
781 u8 dsp;
782 u8 dmsg;
783 u8 rsvd4;
784 u8 lt;
785 u8 sge1_addr_hi[32];
786 u8 sge1_addr_lo[32];
787 u8 sge1_r2t_offset[24];
788 u8 rsvd5[7];
789 u8 sge1_last;
790 u8 sge1_len[17];
791 u8 rsvd6[15];
792} __packed;
793
794
795struct wrb_handle *alloc_wrb_handle(struct beiscsi_hba *phba, unsigned int cid,
796 struct hwi_wrb_context **pcontext);
797void
798free_mgmt_sgl_handle(struct beiscsi_hba *phba, struct sgl_handle *psgl_handle);
799
800void beiscsi_free_mgmt_task_handles(struct beiscsi_conn *beiscsi_conn,
801 struct iscsi_task *task);
802
803void hwi_ring_cq_db(struct beiscsi_hba *phba,
804 unsigned int id, unsigned int num_processed,
805 unsigned char rearm);
806
807unsigned int beiscsi_process_cq(struct be_eq_obj *pbe_eq, int budget);
808void beiscsi_process_mcc_cq(struct beiscsi_hba *phba);
809
810struct pdu_nop_out {
811 u32 dw[12];
812};
813
814
815
816
817
818struct amap_pdu_nop_out {
819 u8 opcode[6];
820 u8 i_bit;
821 u8 x_bit;
822 u8 fp_bit_filler1[7];
823 u8 f_bit;
824 u8 reserved1[16];
825 u8 ahs_length[8];
826 u8 data_len_hi[8];
827 u8 data_len_lo[16];
828 u8 lun[64];
829 u8 itt[32];
830 u8 ttt[32];
831 u8 cmd_sn[32];
832 u8 exp_stat_sn[32];
833 u8 reserved5[128];
834};
835
836#define PDUBASE_OPCODE_MASK 0x0000003F
837#define PDUBASE_DATALENHI_MASK 0x0000FF00
838#define PDUBASE_DATALENLO_MASK 0xFFFF0000
839
840struct pdu_base {
841 u32 dw[16];
842} __packed;
843
844
845
846
847
848struct amap_pdu_base {
849 u8 opcode[6];
850 u8 i_bit;
851 u8 x_bit;
852 u8 reserved1[24];
853 u8 ahs_length[8];
854 u8 data_len_hi[8];
855 u8 data_len_lo[16];
856 u8 lun[64];
857 u8 itt[32];
858 u8 reserved4[224];
859};
860
861struct iscsi_target_context_update_wrb {
862 u32 dw[16];
863} __packed;
864
865
866
867
868
869#define BE_TGT_CTX_UPDT_CMD 0x07
870struct amap_iscsi_target_context_update_wrb {
871 u8 lun[14];
872 u8 lt;
873 u8 invld;
874 u8 wrb_idx[8];
875 u8 dsp;
876 u8 dmsg;
877 u8 undr_run;
878 u8 over_run;
879 u8 type[4];
880 u8 ptr2nextwrb[8];
881 u8 max_burst_length[19];
882 u8 rsvd0[5];
883 u8 rsvd1[15];
884 u8 max_send_data_segment_length[17];
885 u8 first_burst_length[14];
886 u8 rsvd2[2];
887 u8 tx_wrbindex_drv_msg[8];
888 u8 rsvd3[5];
889 u8 session_state[3];
890 u8 rsvd4[16];
891 u8 tx_jumbo;
892 u8 hde;
893 u8 dde;
894 u8 erl[2];
895 u8 domain_id[5];
896 u8 mode;
897 u8 imd;
898 u8 ir2t;
899 u8 notpredblq[2];
900 u8 compltonack;
901 u8 stat_sn[32];
902 u8 pad_buffer_addr_hi[32];
903 u8 pad_buffer_addr_lo[32];
904 u8 pad_addr_hi[32];
905 u8 pad_addr_lo[32];
906 u8 rsvd5[32];
907 u8 rsvd6[32];
908 u8 rsvd7[32];
909 u8 rsvd8[32];
910 u8 rsvd9[32];
911 u8 rsvd10[32];
912
913} __packed;
914
915#define BEISCSI_MAX_RECV_DATASEG_LEN (64 * 1024)
916#define BEISCSI_MAX_CXNS 1
917struct amap_iscsi_target_context_update_wrb_v2 {
918 u8 max_burst_length[24];
919 u8 rsvd0[3];
920 u8 type[5];
921 u8 ptr2nextwrb[8];
922 u8 wrb_idx[8];
923 u8 rsvd1[16];
924 u8 max_send_data_segment_length[24];
925 u8 rsvd2[8];
926 u8 first_burst_length[24];
927 u8 rsvd3[8];
928 u8 max_r2t[16];
929 u8 rsvd4;
930 u8 hde;
931 u8 dde;
932 u8 erl[2];
933 u8 rsvd5[6];
934 u8 imd;
935 u8 ir2t;
936 u8 rsvd6[3];
937 u8 stat_sn[32];
938 u8 rsvd7[32];
939 u8 rsvd8[32];
940 u8 max_recv_dataseg_len[24];
941 u8 rsvd9[8];
942 u8 rsvd10[32];
943 u8 rsvd11[32];
944 u8 max_cxns[16];
945 u8 rsvd12[11];
946 u8 invld;
947 u8 rsvd13;
948 u8 dmsg;
949 u8 data_seq_inorder;
950 u8 pdu_seq_inorder;
951 u8 rsvd14[32];
952 u8 rsvd15[32];
953 u8 rsvd16[32];
954 u8 rsvd17[32];
955} __packed;
956
957
958struct be_ring {
959 u32 pages;
960 u32 id;
961 u32 num;
962 u32 cidx;
963 u32 pidx;
964 u32 item_size;
965 u8 ulp_num;
966 u16 register_set;
967 u16 doorbell_format;
968 u32 doorbell_offset;
969
970 void *va;
971
972
973
974};
975
976struct hwi_controller {
977 struct hwi_wrb_context *wrb_context;
978 struct be_ring default_pdu_hdr[BEISCSI_ULP_COUNT];
979 struct be_ring default_pdu_data[BEISCSI_ULP_COUNT];
980 struct hwi_context_memory *phwi_ctxt;
981};
982
983enum hwh_type_enum {
984 HWH_TYPE_IO = 1,
985 HWH_TYPE_LOGOUT = 2,
986 HWH_TYPE_TMF = 3,
987 HWH_TYPE_NOP = 4,
988 HWH_TYPE_IO_RD = 5,
989 HWH_TYPE_LOGIN = 11,
990 HWH_TYPE_INVALID = 0xFFFFFFFF
991};
992
993struct wrb_handle {
994 unsigned short wrb_index;
995 struct iscsi_task *pio_handle;
996 struct iscsi_wrb *pwrb;
997};
998
999struct hwi_context_memory {
1000 struct be_eq_obj be_eq[MAX_CPUS];
1001 struct be_queue_info be_cq[MAX_CPUS - 1];
1002
1003 struct be_queue_info *be_wrbq;
1004
1005
1006
1007
1008
1009 struct be_queue_info be_def_hdrq[BEISCSI_ULP_COUNT];
1010 struct be_queue_info be_def_dataq[BEISCSI_ULP_COUNT];
1011 struct hd_async_context *pasync_ctx[BEISCSI_ULP_COUNT];
1012};
1013
1014void beiscsi_start_boot_work(struct beiscsi_hba *phba, unsigned int s_handle);
1015
1016
1017#define BEISCSI_LOG_INIT 0x0001
1018#define BEISCSI_LOG_MBOX 0x0002
1019#define BEISCSI_LOG_MISC 0x0004
1020#define BEISCSI_LOG_EH 0x0008
1021#define BEISCSI_LOG_IO 0x0010
1022#define BEISCSI_LOG_CONFIG 0x0020
1023#define BEISCSI_LOG_ISCSI 0x0040
1024
1025#define __beiscsi_log(phba, level, fmt, arg...) \
1026 shost_printk(level, phba->shost, fmt, __LINE__, ##arg)
1027
1028#define beiscsi_log(phba, level, mask, fmt, arg...) \
1029do { \
1030 uint32_t log_value = phba->attr_log_enable; \
1031 if (((mask) & log_value) || (level[1] <= '3')) \
1032 __beiscsi_log(phba, level, fmt, ##arg); \
1033} while (0);
1034
1035#endif
1036