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Merge tag 'char-misc-4.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh...
[linux-2.6-block.git] / drivers / scsi / be2iscsi / be_main.h
CommitLineData
6733b39a 1/**
c4f39bda 2 * Copyright (C) 2005 - 2015 Emulex
6733b39a
JK		 3 * All rights reserved.
4 *
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License version 2
7 * as published by the Free Software Foundation. The full GNU General
8 * Public License is included in this distribution in the file called COPYING.
9 *
4627de93 10 * Written by: Jayamohan Kallickal (jayamohan.kallickal@avagotech.com)
6733b39a
JK		 11 *
12 * Contact Information:
4627de93 13 * linux-drivers@avagotech.com
6733b39a 14 *
c4f39bda 15 * Emulex
255fa9a3
JK		 16 * 3333 Susan Street
17 * Costa Mesa, CA 92626
6733b39a
JK		 18 */
19
20#ifndef _BEISCSI_MAIN_
21#define _BEISCSI_MAIN_
22
6733b39a
JK		 23#include <linux/kernel.h>
24#include <linux/pci.h>
82c57028 25#include <linux/if_ether.h>
6733b39a 26#include <linux/in.h>
99bc5d55
JSJ		 27#include <linux/ctype.h>
28#include <linux/module.h>
3567f36a 29#include <linux/aer.h>
6733b39a
JK		 30#include <scsi/scsi.h>
31#include <scsi/scsi_cmnd.h>
32#include <scsi/scsi_device.h>
33#include <scsi/scsi_host.h>
34#include <scsi/iscsi_proto.h>
35#include <scsi/libiscsi.h>
36#include <scsi/scsi_transport_iscsi.h>
37
6733b39a 38#define DRV_NAME "be2iscsi"
1db1194f 39#define BUILD_STR "11.0.0.0"
c4f39bda 40#define BE_NAME "Emulex OneConnect" \
2f635883 41 "Open-iSCSI Driver version" BUILD_STR
6733b39a
JK		 42#define DRV_DESC BE_NAME " " "Driver"
43
457ff3b7 44#define BE_VENDOR_ID 0x19A2
139a1b1e 45#define ELX_VENDOR_ID 0x10DF
f98c96b0 46/* DEVICE ID's for BE2 */
6733b39a
JK		 47#define BE_DEVICE_ID1 0x212
48#define OC_DEVICE_ID1 0x702
49#define OC_DEVICE_ID2 0x703
f98c96b0
JK		 50
51/* DEVICE ID's for BE3 */
52#define BE_DEVICE_ID2 0x222
bfead3b2 53#define OC_DEVICE_ID3 0x712
6733b39a 54
139a1b1e
JSJ		 55/* DEVICE ID for SKH */
56#define OC_SKH_ID1 0x722
57
7da50879
JK		 58#define BE2_IO_DEPTH 1024
59#define BE2_MAX_SESSIONS 256
6733b39a 60#define BE2_CMDS_PER_CXN 128
6733b39a
JK		 61#define BE2_TMFS 16
62#define BE2_NOPOUT_REQ 16
6733b39a
JK		 63#define BE2_SGE 32
64#define BE2_DEFPDU_HDR_SZ 64
65#define BE2_DEFPDU_DATA_SZ 8192
1094cf68 66#define BE2_MAX_NUM_CQ_PROC 512
6733b39a 67
22abeef0
JSJ		 68#define MAX_CPUS 64
69#define BEISCSI_MAX_NUM_CPUS 7
22abeef0 70
22661e25 71#define BEISCSI_VER_STRLEN 32
22abeef0 72
aa359032 73#define BEISCSI_SGLIST_ELEMENTS 30
6733b39a 74
73af08e1
JK		 75#define BEISCSI_CMD_PER_LUN 128 /* scsi_host->cmd_per_lun */
76#define BEISCSI_MAX_SECTORS 1024 /* scsi_host->max_sectors */
15a90fe0 77#define BEISCSI_TEMPLATE_HDR_PER_CXN_SIZE 128 /* Template size per cxn */
6733b39a
JK		 78
79#define BEISCSI_MAX_CMD_LEN 16 /* scsi_host->max_cmd_len */
80#define BEISCSI_NUM_MAX_LUN 256 /* scsi_host->max_lun */
81#define BEISCSI_NUM_DEVICES_SUPPORTED 0x01
82#define BEISCSI_MAX_FRAGS_INIT 192
457ff3b7 83#define BE_NUM_MSIX_ENTRIES 1
e9b91193
JK		 84
85#define MPU_EP_CONTROL 0
86#define MPU_EP_SEMAPHORE 0xac
87#define BE2_SOFT_RESET 0x5c
88#define BE2_PCI_ONLINE0 0xb0
89#define BE2_PCI_ONLINE1 0xb4
90#define BE2_SET_RESET 0x80
91#define BE2_MPU_IRAM_ONLINE 0x00000080
6733b39a
JK		 92
93#define BE_SENSE_INFO_SIZE 258
94#define BE_ISCSI_PDU_HEADER_SIZE 64
95#define BE_MIN_MEM_SIZE 16384
bfead3b2 96#define MAX_CMD_SZ 65536
6733b39a
JK		 97#define IIOC_SCSI_DATA 0x05 /* Write Operation */
98
9aef4200 99#define INVALID_SESS_HANDLE 0xFFFFFFFF
6733b39a 100
9343be74
JK		 101/**
102 * Adapter States
103 **/
3567f36a
JK		 104#define BE_ADAPTER_LINK_UP 0x001
105#define BE_ADAPTER_LINK_DOWN 0x002
106#define BE_ADAPTER_PCI_ERR 0x004
cdaa4ded 107#define BE_ADAPTER_CHECK_BOOT 0x008
9343be74 108
3567f36a
JK		 109
110#define BEISCSI_CLEAN_UNLOAD 0x01
111#define BEISCSI_EEH_UNLOAD 0x02
3efde862
JSJ		 112
113#define BE_GET_BOOT_RETRIES 45
114#define BE_GET_BOOT_TO 20
6733b39a
JK		 115/**
116 * hardware needs the async PDU buffers to be posted in multiples of 8
117 * So have atleast 8 of them by default
118 */
119
8a86e833
JK		 120#define HWI_GET_ASYNC_PDU_CTX(phwi, ulp_num) \
121 (phwi->phwi_ctxt->pasync_ctx[ulp_num])
6733b39a
JK		 122
123/********* Memory BAR register ************/
457ff3b7 124#define PCICFG_MEMBAR_CTRL_INT_CTRL_OFFSET 0xfc
6733b39a
JK		 125/**
126 * Host Interrupt Enable, if set interrupts are enabled although "PCI Interrupt
127 * Disable" may still globally block interrupts in addition to individual
128 * interrupt masks; a mechanism for the device driver to block all interrupts
129 * atomically without having to arbitrate for the PCI Interrupt Disable bit
130 * with the OS.
131 */
132#define MEMBAR_CTRL_INT_CTRL_HOSTINTR_MASK (1 << 29) /* bit 29 */
133
134/********* ISR0 Register offset **********/
457ff3b7 135#define CEV_ISR0_OFFSET 0xC18
6733b39a
JK		 136#define CEV_ISR_SIZE 4
137
138/**
139 * Macros for reading/writing a protection domain or CSR registers
140 * in BladeEngine.
141 */
142
143#define DB_TXULP0_OFFSET 0x40
144#define DB_RXULP0_OFFSET 0xA0
145/********* Event Q door bell *************/
146#define DB_EQ_OFFSET DB_CQ_OFFSET
e08b3c8b 147#define DB_EQ_RING_ID_LOW_MASK 0x1FF /* bits 0 - 8 */
6733b39a
JK		 148/* Clear the interrupt for this eq */
149#define DB_EQ_CLR_SHIFT (9) /* bit 9 */
150/* Must be 1 */
151#define DB_EQ_EVNT_SHIFT (10) /* bit 10 */
e08b3c8b
JK		 152/* Higher Order EQ_ID bit */
153#define DB_EQ_RING_ID_HIGH_MASK 0x1F /* bits 11 - 15 */
154#define DB_EQ_HIGH_SET_SHIFT 11
155#define DB_EQ_HIGH_FEILD_SHIFT 9
6733b39a
JK		 156/* Number of event entries processed */
157#define DB_EQ_NUM_POPPED_SHIFT (16) /* bits 16 - 28 */
158/* Rearm bit */
159#define DB_EQ_REARM_SHIFT (29) /* bit 29 */
160
161/********* Compl Q door bell *************/
457ff3b7 162#define DB_CQ_OFFSET 0x120
e08b3c8b
JK		 163#define DB_CQ_RING_ID_LOW_MASK 0x3FF /* bits 0 - 9 */
164/* Higher Order CQ_ID bit */
165#define DB_CQ_RING_ID_HIGH_MASK 0x1F /* bits 11 - 15 */
166#define DB_CQ_HIGH_SET_SHIFT 11
167#define DB_CQ_HIGH_FEILD_SHIFT 10
168
6733b39a 169/* Number of event entries processed */
457ff3b7 170#define DB_CQ_NUM_POPPED_SHIFT (16) /* bits 16 - 28 */
6733b39a 171/* Rearm bit */
457ff3b7 172#define DB_CQ_REARM_SHIFT (29) /* bit 29 */
6733b39a
JK		 173
174#define GET_HWI_CONTROLLER_WS(pc) (pc->phwi_ctrlr)
8a86e833
JK		 175#define HWI_GET_DEF_BUFQ_ID(pc, ulp_num) (((struct hwi_controller *)\
176 (GET_HWI_CONTROLLER_WS(pc)))->default_pdu_data[ulp_num].id)
177#define HWI_GET_DEF_HDRQ_ID(pc, ulp_num) (((struct hwi_controller *)\
178 (GET_HWI_CONTROLLER_WS(pc)))->default_pdu_hdr[ulp_num].id)
6733b39a
JK		 179
180#define PAGES_REQUIRED(x) \
181 ((x < PAGE_SIZE) ? 1 : ((x + PAGE_SIZE - 1) / PAGE_SIZE))
182
8fcfb210
JK		 183#define BEISCSI_MSI_NAME 20 /* size of msi_name string */
184
a129d92f 185#define MEM_DESCR_OFFSET 8
8a86e833
JK		 186#define BEISCSI_DEFQ_HDR 1
187#define BEISCSI_DEFQ_DATA 0
6733b39a
JK		 188enum be_mem_enum {
189 HWI_MEM_ADDN_CONTEXT,
6733b39a
JK		 190 HWI_MEM_WRB,
191 HWI_MEM_WRBH,
bfead3b2 192 HWI_MEM_SGLH,
6733b39a 193 HWI_MEM_SGE,
a129d92f
JK		 194 HWI_MEM_TEMPLATE_HDR_ULP0,
195 HWI_MEM_ASYNC_HEADER_BUF_ULP0, /* 6 */
8a86e833
JK		 196 HWI_MEM_ASYNC_DATA_BUF_ULP0,
197 HWI_MEM_ASYNC_HEADER_RING_ULP0,
198 HWI_MEM_ASYNC_DATA_RING_ULP0,
199 HWI_MEM_ASYNC_HEADER_HANDLE_ULP0,
a129d92f 200 HWI_MEM_ASYNC_DATA_HANDLE_ULP0, /* 11 */
8a86e833 201 HWI_MEM_ASYNC_PDU_CONTEXT_ULP0,
a129d92f
JK		 202 HWI_MEM_TEMPLATE_HDR_ULP1,
203 HWI_MEM_ASYNC_HEADER_BUF_ULP1, /* 14 */
8a86e833
JK		 204 HWI_MEM_ASYNC_DATA_BUF_ULP1,
205 HWI_MEM_ASYNC_HEADER_RING_ULP1,
206 HWI_MEM_ASYNC_DATA_RING_ULP1,
207 HWI_MEM_ASYNC_HEADER_HANDLE_ULP1,
a129d92f 208 HWI_MEM_ASYNC_DATA_HANDLE_ULP1, /* 19 */
8a86e833 209 HWI_MEM_ASYNC_PDU_CONTEXT_ULP1,
6733b39a 210 ISCSI_MEM_GLOBAL_HEADER,
bfead3b2 211 SE_MEM_MAX
6733b39a
JK		 212};
213
214struct be_bus_address32 {
215 unsigned int address_lo;
216 unsigned int address_hi;
217};
218
219struct be_bus_address64 {
220 unsigned long long address;
221};
222
223struct be_bus_address {
224 union {
225 struct be_bus_address32 a32;
226 struct be_bus_address64 a64;
227 } u;
228};
229
230struct mem_array {
231 struct be_bus_address bus_address; /* Bus address of location */
232 void *virtual_address; /* virtual address to the location */
233 unsigned int size; /* Size required by memory block */
234};
235
236struct be_mem_descriptor {
237 unsigned int index; /* Index of this memory parameter */
238 unsigned int category; /* type indicates cached/non-cached */
239 unsigned int num_elements; /* number of elements in this
240 * descriptor
241 */
242 unsigned int alignment_mask; /* Alignment mask for this block */
243 unsigned int size_in_bytes; /* Size required by memory block */
244 struct mem_array *mem_array;
245};
246
247struct sgl_handle {
248 unsigned int sgl_index;
bfead3b2
JK		 249 unsigned int type;
250 unsigned int cid;
251 struct iscsi_task *task;
6733b39a
JK		 252 struct iscsi_sge *pfrag;
253};
254
255struct hba_parameters {
256 unsigned int ios_per_ctrl;
257 unsigned int cxns_per_ctrl;
258 unsigned int asyncpdus_per_ctrl;
259 unsigned int icds_per_ctrl;
260 unsigned int num_sge_per_io;
261 unsigned int defpdu_hdr_sz;
262 unsigned int defpdu_data_sz;
263 unsigned int num_cq_entries;
264 unsigned int num_eq_entries;
265 unsigned int wrbs_per_cxn;
266 unsigned int crashmode;
267 unsigned int hba_num;
268
269 unsigned int mgmt_ws_sz;
270 unsigned int hwi_ws_sz;
271
272 unsigned int eto;
273 unsigned int ldto;
274
275 unsigned int dbg_flags;
276 unsigned int num_cxn;
277
278 unsigned int eq_timer;
279 /**
280 * These are calculated from other params. They're here
281 * for debug purposes
282 */
283 unsigned int num_mcc_pages;
284 unsigned int num_mcc_cq_pages;
285 unsigned int num_cq_pages;
286 unsigned int num_eq_pages;
287
288 unsigned int num_async_pdu_buf_pages;
289 unsigned int num_async_pdu_buf_sgl_pages;
290 unsigned int num_async_pdu_buf_cq_pages;
291
292 unsigned int num_async_pdu_hdr_pages;
293 unsigned int num_async_pdu_hdr_sgl_pages;
294 unsigned int num_async_pdu_hdr_cq_pages;
295
296 unsigned int num_sge;
297};
298
4183122d
JK		 299struct invalidate_command_table {
300 unsigned short icd;
301 unsigned short cid;
302} __packed;
303
4eea99d5
JK		 304#define BEISCSI_GET_ULP_FROM_CRI(phwi_ctrlr, cri) \
305 (phwi_ctrlr->wrb_context[cri].ulp_num)
306struct hwi_wrb_context {
f64d92e6 307 spinlock_t wrb_lock;
4eea99d5
JK		 308 struct list_head wrb_handle_list;
309 struct list_head wrb_handle_drvr_list;
310 struct wrb_handle **pwrb_handle_base;
311 struct wrb_handle **pwrb_handle_basestd;
312 struct iscsi_wrb *plast_wrb;
313 unsigned short alloc_index;
314 unsigned short free_index;
315 unsigned short wrb_handles_available;
316 unsigned short cid;
317 uint8_t ulp_num; /* ULP to which CID binded */
318 uint16_t register_set;
319 uint16_t doorbell_format;
320 uint32_t doorbell_offset;
321};
322
0a3db7c0
JK		 323struct ulp_cid_info {
324 unsigned short *cid_array;
325 unsigned short avlbl_cids;
326 unsigned short cid_alloc;
327 unsigned short cid_free;
328};
329
4eea99d5 330#include "be.h"
2c9dfd36
JK		 331#define chip_be2(phba) (phba->generation == BE_GEN2)
332#define chip_be3_r(phba) (phba->generation == BE_GEN3)
333#define is_chip_be2_be3r(phba) (chip_be3_r(phba) || (chip_be2(phba)))
843ae752
JK		 334
335#define BEISCSI_ULP0 0
336#define BEISCSI_ULP1 1
337#define BEISCSI_ULP_COUNT 2
338#define BEISCSI_ULP0_LOADED 0x01
339#define BEISCSI_ULP1_LOADED 0x02
0a3db7c0
JK		 340
341#define BEISCSI_ULP_AVLBL_CID(phba, ulp_num) \
342 (((struct ulp_cid_info *)phba->cid_array_info[ulp_num])->avlbl_cids)
343#define BEISCSI_ULP0_AVLBL_CID(phba) \
344 BEISCSI_ULP_AVLBL_CID(phba, BEISCSI_ULP0)
345#define BEISCSI_ULP1_AVLBL_CID(phba) \
346 BEISCSI_ULP_AVLBL_CID(phba, BEISCSI_ULP1)
347
6733b39a
JK		 348struct beiscsi_hba {
349 struct hba_parameters params;
350 struct hwi_controller *phwi_ctrlr;
351 unsigned int mem_req[SE_MEM_MAX];
352 /* PCI BAR mapped addresses */
353 u8 __iomem *csr_va; /* CSR */
354 u8 __iomem *db_va; /* Door Bell */
355 u8 __iomem *pci_va; /* PCI Config */
356 struct be_bus_address csr_pa; /* CSR */
357 struct be_bus_address db_pa; /* CSR */
358 struct be_bus_address pci_pa; /* CSR */
359 /* PCI representation of our HBA */
360 struct pci_dev *pcidev;
6733b39a 361 unsigned short asic_revision;
bfead3b2
JK		 362 unsigned int num_cpus;
363 unsigned int nxt_cqid;
22abeef0
JSJ		 364 struct msix_entry msix_entries[MAX_CPUS];
365 char *msi_name[MAX_CPUS];
bfead3b2 366 bool msix_enabled;
6733b39a
JK		 367 struct be_mem_descriptor *init_mem;
368
369 unsigned short io_sgl_alloc_index;
370 unsigned short io_sgl_free_index;
371 unsigned short io_sgl_hndl_avbl;
372 struct sgl_handle **io_sgl_hndl_base;
bfead3b2 373 struct sgl_handle **sgl_hndl_array;
6733b39a
JK		 374
375 unsigned short eh_sgl_alloc_index;
376 unsigned short eh_sgl_free_index;
377 unsigned short eh_sgl_hndl_avbl;
378 struct sgl_handle **eh_sgl_hndl_base;
379 spinlock_t io_sgl_lock;
380 spinlock_t mgmt_sgl_lock;
381 spinlock_t isr_lock;
8f09a3b9 382 spinlock_t async_pdu_lock;
6733b39a 383 unsigned int age;
6733b39a 384 struct list_head hba_queue;
a7909b39
JK		 385#define BE_MAX_SESSION 2048
386#define BE_SET_CID_TO_CRI(cri_index, cid) \
387 (phba->cid_to_cri_map[cid] = cri_index)
388#define BE_GET_CRI_FROM_CID(cid) (phba->cid_to_cri_map[cid])
389 unsigned short cid_to_cri_map[BE_MAX_SESSION];
0a3db7c0 390 struct ulp_cid_info *cid_array_info[BEISCSI_ULP_COUNT];
6733b39a 391 struct iscsi_endpoint **ep_array;
a7909b39 392 struct beiscsi_conn **conn_table;
c7acc5b8 393 struct iscsi_boot_kset *boot_kset;
6733b39a 394 struct Scsi_Host *shost;
0e43895e
MC		 395 struct iscsi_iface *ipv4_iface;
396 struct iscsi_iface *ipv6_iface;
6733b39a
JK		 397 struct {
398 /**
399 * group together since they are used most frequently
400 * for cid to cri conversion
401 */
4570f161 402#define BEISCSI_PHYS_PORT_MAX 4
6733b39a 403 unsigned int phys_port;
4570f161 404 /* valid values of phys_port id are 0, 1, 2, 3 */
68c26a3a
JK		 405 unsigned int eqid_count;
406 unsigned int cqid_count;
843ae752
JK		 407 unsigned int iscsi_cid_start[BEISCSI_ULP_COUNT];
408#define BEISCSI_GET_CID_COUNT(phba, ulp_num) \
8a86e833 409 (phba->fw_config.iscsi_cid_count[ulp_num])
843ae752
JK		 410 unsigned int iscsi_cid_count[BEISCSI_ULP_COUNT];
411 unsigned int iscsi_icd_count[BEISCSI_ULP_COUNT];
412 unsigned int iscsi_icd_start[BEISCSI_ULP_COUNT];
413 unsigned int iscsi_chain_start[BEISCSI_ULP_COUNT];
414 unsigned int iscsi_chain_count[BEISCSI_ULP_COUNT];
6733b39a 415
bfead3b2 416 unsigned short iscsi_features;
843ae752
JK		 417 uint16_t dual_ulp_aware;
418 unsigned long ulp_supported;
6733b39a
JK		 419 } fw_config;
420
e175defe 421 unsigned int state;
53aefe25 422 u8 optic_state;
3efde862 423 int get_boot;
e175defe
JSJ		 424 bool fw_timeout;
425 bool ue_detected;
426 struct delayed_work beiscsi_hw_check_task;
427
6c83185a 428 bool mac_addr_set;
6733b39a 429 u8 mac_address[ETH_ALEN];
53aefe25 430 u8 port_name;
048084c2 431 u8 port_speed;
22661e25 432 char fw_ver_str[BEISCSI_VER_STRLEN];
6733b39a
JK		 433 char wq_name[20];
434 struct workqueue_struct *wq; /* The actuak work queue */
6733b39a 435 struct be_ctrl_info ctrl;
f98c96b0 436 unsigned int generation;
0e43895e 437 unsigned int interface_handle;
c7acc5b8 438 struct mgmt_session_info boot_sess;
4183122d
JK		 439 struct invalidate_command_table inv_tbl[128];
440
73af08e1 441 struct be_aic_obj aic_obj[MAX_CPUS];
99bc5d55 442 unsigned int attr_log_enable;
09a1093a
JSJ		 443 int (*iotask_fn)(struct iscsi_task *,
444 struct scatterlist *sg,
445 uint32_t num_sg, uint32_t xferlen,
446 uint32_t writedir);
6733b39a
JK		 447};
448
b8b9e1b8
JK		 449struct beiscsi_session {
450 struct pci_pool *bhs_pool;
451};
452
6733b39a
JK		 453/**
454 * struct beiscsi_conn - iscsi connection structure
455 */
456struct beiscsi_conn {
457 struct iscsi_conn *conn;
458 struct beiscsi_hba *phba;
459 u32 exp_statsn;
1e4be6ff 460 u32 doorbell_offset;
6733b39a
JK		 461 u32 beiscsi_conn_cid;
462 struct beiscsi_endpoint *ep;
463 unsigned short login_in_progress;
d2cecf0d 464 struct wrb_handle *plogin_wrb_handle;
6733b39a 465 struct sgl_handle *plogin_sgl_handle;
b8b9e1b8 466 struct beiscsi_session *beiscsi_sess;
bfead3b2 467 struct iscsi_task *task;
6733b39a
JK		 468};
469
470/* This structure is used by the chip */
471struct pdu_data_out {
472 u32 dw[12];
473};
474/**
475 * Pseudo amap definition in which each bit of the actual structure is defined
476 * as a byte: used to calculate offset/shift/mask of each field
477 */
478struct amap_pdu_data_out {
479 u8 opcode[6]; /* opcode */
480 u8 rsvd0[2]; /* should be 0 */
481 u8 rsvd1[7];
482 u8 final_bit; /* F bit */
483 u8 rsvd2[16];
484 u8 ahs_length[8]; /* no AHS */
485 u8 data_len_hi[8];
486 u8 data_len_lo[16]; /* DataSegmentLength */
487 u8 lun[64];
488 u8 itt[32]; /* ITT; initiator task tag */
489 u8 ttt[32]; /* TTT; valid for R2T or 0xffffffff */
490 u8 rsvd3[32];
491 u8 exp_stat_sn[32];
492 u8 rsvd4[32];
493 u8 data_sn[32];
494 u8 buffer_offset[32];
495 u8 rsvd5[32];
496};
497
498struct be_cmd_bhs {
12352183 499 struct iscsi_scsi_req iscsi_hdr;
6733b39a
JK		 500 unsigned char pad1[16];
501 struct pdu_data_out iscsi_data_pdu;
502 unsigned char pad2[BE_SENSE_INFO_SIZE -
503 sizeof(struct pdu_data_out)];
504};
505
506struct beiscsi_io_task {
507 struct wrb_handle *pwrb_handle;
508 struct sgl_handle *psgl_handle;
509 struct beiscsi_conn *conn;
510 struct scsi_cmnd *scsi_cmnd;
340c99e9 511 struct hwi_wrb_context *pwrb_context;
6733b39a
JK		 512 unsigned int cmd_sn;
513 unsigned int flags;
514 unsigned short cid;
515 unsigned short header_len;
bfead3b2 516 itt_t libiscsi_itt;
6733b39a
JK		 517 struct be_cmd_bhs *cmd_bhs;
518 struct be_bus_address bhs_pa;
519 unsigned short bhs_len;
d629c471
JSJ		 520 dma_addr_t mtask_addr;
521 uint32_t mtask_data_count;
09a1093a 522 uint8_t wrb_type;
6733b39a
JK		 523};
524
525struct be_nonio_bhs {
526 struct iscsi_hdr iscsi_hdr;
527 unsigned char pad1[16];
528 struct pdu_data_out iscsi_data_pdu;
529 unsigned char pad2[BE_SENSE_INFO_SIZE -
530 sizeof(struct pdu_data_out)];
531};
532
533struct be_status_bhs {
12352183 534 struct iscsi_scsi_req iscsi_hdr;
6733b39a
JK		 535 unsigned char pad1[16];
536 /**
537 * The plus 2 below is to hold the sense info length that gets
538 * DMA'ed by RxULP
539 */
540 unsigned char sense_info[BE_SENSE_INFO_SIZE];
541};
542
543struct iscsi_sge {
544 u32 dw[4];
545};
546
547/**
548 * Pseudo amap definition in which each bit of the actual structure is defined
549 * as a byte: used to calculate offset/shift/mask of each field
550 */
551struct amap_iscsi_sge {
552 u8 addr_hi[32];
553 u8 addr_lo[32];
554 u8 sge_offset[22]; /* DWORD 2 */
555 u8 rsvd0[9]; /* DWORD 2 */
556 u8 last_sge; /* DWORD 2 */
557 u8 len[17]; /* DWORD 3 */
558 u8 rsvd1[15]; /* DWORD 3 */
559};
560
561struct beiscsi_offload_params {
7331613e 562 u32 dw[6];
6733b39a
JK		 563};
564
565#define OFFLD_PARAMS_ERL 0x00000003
566#define OFFLD_PARAMS_DDE 0x00000004
567#define OFFLD_PARAMS_HDE 0x00000008
568#define OFFLD_PARAMS_IR2T 0x00000010
569#define OFFLD_PARAMS_IMD 0x00000020
acb9693c
JSJ		 570#define OFFLD_PARAMS_DATA_SEQ_INORDER 0x00000040
571#define OFFLD_PARAMS_PDU_SEQ_INORDER 0x00000080
572#define OFFLD_PARAMS_MAX_R2T 0x00FFFF00
6733b39a
JK		 573
574/**
575 * Pseudo amap definition in which each bit of the actual structure is defined
576 * as a byte: used to calculate offset/shift/mask of each field
577 */
578struct amap_beiscsi_offload_params {
579 u8 max_burst_length[32];
580 u8 max_send_data_segment_length[32];
581 u8 first_burst_length[32];
582 u8 erl[2];
583 u8 dde[1];
584 u8 hde[1];
585 u8 ir2t[1];
586 u8 imd[1];
acb9693c
JSJ		 587 u8 data_seq_inorder[1];
588 u8 pdu_seq_inorder[1];
589 u8 max_r2t[16];
590 u8 pad[8];
6733b39a 591 u8 exp_statsn[32];
7331613e 592 u8 max_recv_data_segment_length[32];
6733b39a
JK		 593};
594
595/* void hwi_complete_drvr_msgs(struct beiscsi_conn *beiscsi_conn,
596 struct beiscsi_hba *phba, struct sol_cqe *psol);*/
597
598struct async_pdu_handle {
599 struct list_head link;
600 struct be_bus_address pa;
601 void *pbuffer;
602 unsigned int consumed;
603 unsigned char index;
604 unsigned char is_header;
605 unsigned short cri;
606 unsigned long buffer_len;
607};
608
609struct hwi_async_entry {
610 struct {
611 unsigned char hdr_received;
612 unsigned char hdr_len;
613 unsigned short bytes_received;
614 unsigned int bytes_needed;
615 struct list_head list;
616 } wait_queue;
617
618 struct list_head header_busy_list;
619 struct list_head data_busy_list;
620};
621
6733b39a
JK		 622struct hwi_async_pdu_context {
623 struct {
624 struct be_bus_address pa_base;
625 void *va_base;
626 void *ring_base;
627 struct async_pdu_handle *handle_base;
628
629 unsigned int host_write_ptr;
630 unsigned int ep_read_ptr;
631 unsigned int writables;
632
633 unsigned int free_entries;
634 unsigned int busy_entries;
6733b39a
JK		 635
636 struct list_head free_list;
637 } async_header;
638
639 struct {
640 struct be_bus_address pa_base;
641 void *va_base;
642 void *ring_base;
643 struct async_pdu_handle *handle_base;
644
645 unsigned int host_write_ptr;
646 unsigned int ep_read_ptr;
647 unsigned int writables;
648
649 unsigned int free_entries;
650 unsigned int busy_entries;
6733b39a 651 struct list_head free_list;
6733b39a
JK		 652 } async_data;
653
dc63aac6
JK		 654 unsigned int buffer_size;
655 unsigned int num_entries;
8a86e833
JK		 656#define BE_GET_ASYNC_CRI_FROM_CID(cid) (pasync_ctx->cid_to_async_cri_map[cid])
657 unsigned short cid_to_async_cri_map[BE_MAX_SESSION];
6733b39a
JK		 658 /**
659 * This is a varying size list! Do not add anything
660 * after this entry!!
661 */
a7909b39 662 struct hwi_async_entry *async_entry;
6733b39a
JK		 663};
664
665#define PDUCQE_CODE_MASK 0x0000003F
666#define PDUCQE_DPL_MASK 0xFFFF0000
667#define PDUCQE_INDEX_MASK 0x0000FFFF
668
669struct i_t_dpdu_cqe {
670 u32 dw[4];
671} __packed;
672
673/**
674 * Pseudo amap definition in which each bit of the actual structure is defined
675 * as a byte: used to calculate offset/shift/mask of each field
676 */
677struct amap_i_t_dpdu_cqe {
678 u8 db_addr_hi[32];
679 u8 db_addr_lo[32];
680 u8 code[6];
681 u8 cid[10];
682 u8 dpl[16];
683 u8 index[16];
684 u8 num_cons[10];
685 u8 rsvd0[4];
686 u8 final;
687 u8 valid;
688} __packed;
689
73133261
JSJ		 690struct amap_i_t_dpdu_cqe_v2 {
691 u8 db_addr_hi[32]; /* DWORD 0 */
692 u8 db_addr_lo[32]; /* DWORD 1 */
693 u8 code[6]; /* DWORD 2 */
694 u8 num_cons; /* DWORD 2*/
695 u8 rsvd0[8]; /* DWORD 2 */
696 u8 dpl[17]; /* DWORD 2 */
697 u8 index[16]; /* DWORD 3 */
698 u8 cid[13]; /* DWORD 3 */
699 u8 rsvd1; /* DWORD 3 */
700 u8 final; /* DWORD 3 */
701 u8 valid; /* DWORD 3 */
702} __packed;
703
6733b39a
JK		 704#define CQE_VALID_MASK 0x80000000
705#define CQE_CODE_MASK 0x0000003F
706#define CQE_CID_MASK 0x0000FFC0
707
708#define EQE_VALID_MASK 0x00000001
709#define EQE_MAJORCODE_MASK 0x0000000E
710#define EQE_RESID_MASK 0xFFFF0000
711
712struct be_eq_entry {
713 u32 dw[1];
714} __packed;
715
716/**
717 * Pseudo amap definition in which each bit of the actual structure is defined
718 * as a byte: used to calculate offset/shift/mask of each field
719 */
720struct amap_eq_entry {
721 u8 valid; /* DWORD 0 */
722 u8 major_code[3]; /* DWORD 0 */
723 u8 minor_code[12]; /* DWORD 0 */
724 u8 resource_id[16]; /* DWORD 0 */
725
726} __packed;
727
728struct cq_db {
729 u32 dw[1];
730} __packed;
731
732/**
733 * Pseudo amap definition in which each bit of the actual structure is defined
734 * as a byte: used to calculate offset/shift/mask of each field
735 */
736struct amap_cq_db {
737 u8 qid[10];
738 u8 event[1];
739 u8 rsvd0[5];
740 u8 num_popped[13];
741 u8 rearm[1];
742 u8 rsvd1[2];
743} __packed;
744
745void beiscsi_process_eq(struct beiscsi_hba *phba);
746
6733b39a
JK		 747struct iscsi_wrb {
748 u32 dw[16];
749} __packed;
750
751#define WRB_TYPE_MASK 0xF0000000
09a1093a
JSJ		 752#define SKH_WRB_TYPE_OFFSET 27
753#define BE_WRB_TYPE_OFFSET 28
754
755#define ADAPTER_SET_WRB_TYPE(pwrb, wrb_type, type_offset) \
756 (pwrb->dw[0] |= (wrb_type << type_offset))
6733b39a
JK		 757
758/**
759 * Pseudo amap definition in which each bit of the actual structure is defined
760 * as a byte: used to calculate offset/shift/mask of each field
761 */
762struct amap_iscsi_wrb {
763 u8 lun[14]; /* DWORD 0 */
764 u8 lt; /* DWORD 0 */
765 u8 invld; /* DWORD 0 */
766 u8 wrb_idx[8]; /* DWORD 0 */
767 u8 dsp; /* DWORD 0 */
768 u8 dmsg; /* DWORD 0 */
769 u8 undr_run; /* DWORD 0 */
770 u8 over_run; /* DWORD 0 */
771 u8 type[4]; /* DWORD 0 */
772 u8 ptr2nextwrb[8]; /* DWORD 1 */
773 u8 r2t_exp_dtl[24]; /* DWORD 1 */
774 u8 sgl_icd_idx[12]; /* DWORD 2 */
775 u8 rsvd0[20]; /* DWORD 2 */
776 u8 exp_data_sn[32]; /* DWORD 3 */
777 u8 iscsi_bhs_addr_hi[32]; /* DWORD 4 */
778 u8 iscsi_bhs_addr_lo[32]; /* DWORD 5 */
779 u8 cmdsn_itt[32]; /* DWORD 6 */
780 u8 dif_ref_tag[32]; /* DWORD 7 */
781 u8 sge0_addr_hi[32]; /* DWORD 8 */
782 u8 sge0_addr_lo[32]; /* DWORD 9 */
783 u8 sge0_offset[22]; /* DWORD 10 */
784 u8 pbs; /* DWORD 10 */
785 u8 dif_mode[2]; /* DWORD 10 */
786 u8 rsvd1[6]; /* DWORD 10 */
787 u8 sge0_last; /* DWORD 10 */
788 u8 sge0_len[17]; /* DWORD 11 */
789 u8 dif_meta_tag[14]; /* DWORD 11 */
790 u8 sge0_in_ddr; /* DWORD 11 */
791 u8 sge1_addr_hi[32]; /* DWORD 12 */
792 u8 sge1_addr_lo[32]; /* DWORD 13 */
793 u8 sge1_r2t_offset[22]; /* DWORD 14 */
794 u8 rsvd2[9]; /* DWORD 14 */
795 u8 sge1_last; /* DWORD 14 */
796 u8 sge1_len[17]; /* DWORD 15 */
797 u8 ref_sgl_icd_idx[12]; /* DWORD 15 */
798 u8 rsvd3[2]; /* DWORD 15 */
799 u8 sge1_in_ddr; /* DWORD 15 */
800
801} __packed;
802
09a1093a
JSJ		 803struct amap_iscsi_wrb_v2 {
804 u8 r2t_exp_dtl[25]; /* DWORD 0 */
805 u8 rsvd0[2]; /* DWORD 0*/
806 u8 type[5]; /* DWORD 0 */
807 u8 ptr2nextwrb[8]; /* DWORD 1 */
808 u8 wrb_idx[8]; /* DWORD 1 */
809 u8 lun[16]; /* DWORD 1 */
810 u8 sgl_idx[16]; /* DWORD 2 */
811 u8 ref_sgl_icd_idx[16]; /* DWORD 2 */
812 u8 exp_data_sn[32]; /* DWORD 3 */
813 u8 iscsi_bhs_addr_hi[32]; /* DWORD 4 */
814 u8 iscsi_bhs_addr_lo[32]; /* DWORD 5 */
815 u8 cq_id[16]; /* DWORD 6 */
816 u8 rsvd1[16]; /* DWORD 6 */
817 u8 cmdsn_itt[32]; /* DWORD 7 */
818 u8 sge0_addr_hi[32]; /* DWORD 8 */
819 u8 sge0_addr_lo[32]; /* DWORD 9 */
820 u8 sge0_offset[24]; /* DWORD 10 */
821 u8 rsvd2[7]; /* DWORD 10 */
822 u8 sge0_last; /* DWORD 10 */
823 u8 sge0_len[17]; /* DWORD 11 */
824 u8 rsvd3[7]; /* DWORD 11 */
825 u8 diff_enbl; /* DWORD 11 */
826 u8 u_run; /* DWORD 11 */
827 u8 o_run; /* DWORD 11 */
828 u8 invalid; /* DWORD 11 */
829 u8 dsp; /* DWORD 11 */
830 u8 dmsg; /* DWORD 11 */
831 u8 rsvd4; /* DWORD 11 */
832 u8 lt; /* DWORD 11 */
833 u8 sge1_addr_hi[32]; /* DWORD 12 */
834 u8 sge1_addr_lo[32]; /* DWORD 13 */
835 u8 sge1_r2t_offset[24]; /* DWORD 14 */
836 u8 rsvd5[7]; /* DWORD 14 */
837 u8 sge1_last; /* DWORD 14 */
838 u8 sge1_len[17]; /* DWORD 15 */
839 u8 rsvd6[15]; /* DWORD 15 */
840} __packed;
841
842
340c99e9
JSJ		 843struct wrb_handle *alloc_wrb_handle(struct beiscsi_hba *phba, unsigned int cid,
844 struct hwi_wrb_context **pcontext);
6733b39a
JK		 845void
846free_mgmt_sgl_handle(struct beiscsi_hba *phba, struct sgl_handle *psgl_handle);
847
756d29c8 848void beiscsi_process_all_cqs(struct work_struct *work);
4a4a11b9
JK		 849void beiscsi_free_mgmt_task_handles(struct beiscsi_conn *beiscsi_conn,
850 struct iscsi_task *task);
756d29c8 851
e08b3c8b
JK		 852void hwi_ring_cq_db(struct beiscsi_hba *phba,
853 unsigned int id, unsigned int num_processed,
1094cf68 854 unsigned char rearm);
b7ab35b1 855
1094cf68 856unsigned int beiscsi_process_cq(struct be_eq_obj *pbe_eq, int budget);
2e4e8f65 857void beiscsi_process_mcc_cq(struct beiscsi_hba *phba);
b7ab35b1 858
7a158003
JSJ		 859static inline bool beiscsi_error(struct beiscsi_hba *phba)
860{
861 return phba->ue_detected || phba->fw_timeout;
862}
863
6733b39a
JK		 864struct pdu_nop_out {
865 u32 dw[12];
866};
867
868/**
869 * Pseudo amap definition in which each bit of the actual structure is defined
870 * as a byte: used to calculate offset/shift/mask of each field
871 */
872struct amap_pdu_nop_out {
873 u8 opcode[6]; /* opcode 0x00 */
874 u8 i_bit; /* I Bit */
875 u8 x_bit; /* reserved; should be 0 */
876 u8 fp_bit_filler1[7];
877 u8 f_bit; /* always 1 */
878 u8 reserved1[16];
879 u8 ahs_length[8]; /* no AHS */
880 u8 data_len_hi[8];
881 u8 data_len_lo[16]; /* DataSegmentLength */
882 u8 lun[64];
883 u8 itt[32]; /* initiator id for ping or 0xffffffff */
884 u8 ttt[32]; /* target id for ping or 0xffffffff */
885 u8 cmd_sn[32];
886 u8 exp_stat_sn[32];
887 u8 reserved5[128];
888};
889
890#define PDUBASE_OPCODE_MASK 0x0000003F
891#define PDUBASE_DATALENHI_MASK 0x0000FF00
892#define PDUBASE_DATALENLO_MASK 0xFFFF0000
893
894struct pdu_base {
895 u32 dw[16];
896} __packed;
897
898/**
899 * Pseudo amap definition in which each bit of the actual structure is defined
900 * as a byte: used to calculate offset/shift/mask of each field
901 */
902struct amap_pdu_base {
903 u8 opcode[6];
904 u8 i_bit; /* immediate bit */
905 u8 x_bit; /* reserved, always 0 */
906 u8 reserved1[24]; /* opcode-specific fields */
907 u8 ahs_length[8]; /* length units is 4 byte words */
908 u8 data_len_hi[8];
909 u8 data_len_lo[16]; /* DatasegmentLength */
910 u8 lun[64]; /* lun or opcode-specific fields */
911 u8 itt[32]; /* initiator task tag */
912 u8 reserved4[224];
913};
914
915struct iscsi_target_context_update_wrb {
916 u32 dw[16];
917} __packed;
918
919/**
920 * Pseudo amap definition in which each bit of the actual structure is defined
921 * as a byte: used to calculate offset/shift/mask of each field
922 */
acb9693c 923#define BE_TGT_CTX_UPDT_CMD 0x07
6733b39a
JK		 924struct amap_iscsi_target_context_update_wrb {
925 u8 lun[14]; /* DWORD 0 */
926 u8 lt; /* DWORD 0 */
927 u8 invld; /* DWORD 0 */
928 u8 wrb_idx[8]; /* DWORD 0 */
929 u8 dsp; /* DWORD 0 */
930 u8 dmsg; /* DWORD 0 */
931 u8 undr_run; /* DWORD 0 */
932 u8 over_run; /* DWORD 0 */
933 u8 type[4]; /* DWORD 0 */
934 u8 ptr2nextwrb[8]; /* DWORD 1 */
935 u8 max_burst_length[19]; /* DWORD 1 */
936 u8 rsvd0[5]; /* DWORD 1 */
937 u8 rsvd1[15]; /* DWORD 2 */
938 u8 max_send_data_segment_length[17]; /* DWORD 2 */
939 u8 first_burst_length[14]; /* DWORD 3 */
940 u8 rsvd2[2]; /* DWORD 3 */
941 u8 tx_wrbindex_drv_msg[8]; /* DWORD 3 */
942 u8 rsvd3[5]; /* DWORD 3 */
943 u8 session_state[3]; /* DWORD 3 */
944 u8 rsvd4[16]; /* DWORD 4 */
945 u8 tx_jumbo; /* DWORD 4 */
946 u8 hde; /* DWORD 4 */
947 u8 dde; /* DWORD 4 */
948 u8 erl[2]; /* DWORD 4 */
949 u8 domain_id[5]; /* DWORD 4 */
950 u8 mode; /* DWORD 4 */
951 u8 imd; /* DWORD 4 */
952 u8 ir2t; /* DWORD 4 */
953 u8 notpredblq[2]; /* DWORD 4 */
954 u8 compltonack; /* DWORD 4 */
955 u8 stat_sn[32]; /* DWORD 5 */
956 u8 pad_buffer_addr_hi[32]; /* DWORD 6 */
957 u8 pad_buffer_addr_lo[32]; /* DWORD 7 */
958 u8 pad_addr_hi[32]; /* DWORD 8 */
959 u8 pad_addr_lo[32]; /* DWORD 9 */
960 u8 rsvd5[32]; /* DWORD 10 */
961 u8 rsvd6[32]; /* DWORD 11 */
962 u8 rsvd7[32]; /* DWORD 12 */
963 u8 rsvd8[32]; /* DWORD 13 */
964 u8 rsvd9[32]; /* DWORD 14 */
965 u8 rsvd10[32]; /* DWORD 15 */
966
967} __packed;
968
acb9693c
JSJ		 969#define BEISCSI_MAX_RECV_DATASEG_LEN (64 * 1024)
970#define BEISCSI_MAX_CXNS 1
971struct amap_iscsi_target_context_update_wrb_v2 {
972 u8 max_burst_length[24]; /* DWORD 0 */
973 u8 rsvd0[3]; /* DWORD 0 */
974 u8 type[5]; /* DWORD 0 */
975 u8 ptr2nextwrb[8]; /* DWORD 1 */
976 u8 wrb_idx[8]; /* DWORD 1 */
977 u8 rsvd1[16]; /* DWORD 1 */
978 u8 max_send_data_segment_length[24]; /* DWORD 2 */
979 u8 rsvd2[8]; /* DWORD 2 */
980 u8 first_burst_length[24]; /* DWORD 3 */
981 u8 rsvd3[8]; /* DOWRD 3 */
982 u8 max_r2t[16]; /* DWORD 4 */
7331613e 983 u8 rsvd4; /* DWORD 4 */
acb9693c
JSJ		 984 u8 hde; /* DWORD 4 */
985 u8 dde; /* DWORD 4 */
986 u8 erl[2]; /* DWORD 4 */
7331613e 987 u8 rsvd5[6]; /* DWORD 4 */
acb9693c
JSJ		 988 u8 imd; /* DWORD 4 */
989 u8 ir2t; /* DWORD 4 */
7331613e 990 u8 rsvd6[3]; /* DWORD 4 */
acb9693c 991 u8 stat_sn[32]; /* DWORD 5 */
7331613e
JK		 992 u8 rsvd7[32]; /* DWORD 6 */
993 u8 rsvd8[32]; /* DWORD 7 */
acb9693c 994 u8 max_recv_dataseg_len[24]; /* DWORD 8 */
7331613e
JK		 995 u8 rsvd9[8]; /* DWORD 8 */
996 u8 rsvd10[32]; /* DWORD 9 */
997 u8 rsvd11[32]; /* DWORD 10 */
acb9693c 998 u8 max_cxns[16]; /* DWORD 11 */
7331613e 999 u8 rsvd12[11]; /* DWORD 11*/
acb9693c 1000 u8 invld; /* DWORD 11 */
7331613e 1001 u8 rsvd13;/* DWORD 11*/
acb9693c
JSJ		 1002 u8 dmsg; /* DWORD 11 */
1003 u8 data_seq_inorder; /* DWORD 11 */
1004 u8 pdu_seq_inorder; /* DWORD 11 */
7331613e
JK		 1005 u8 rsvd14[32]; /*DWORD 12 */
1006 u8 rsvd15[32]; /* DWORD 13 */
1007 u8 rsvd16[32]; /* DWORD 14 */
1008 u8 rsvd17[32]; /* DWORD 15 */
acb9693c
JSJ		 1009} __packed;
1010
1011
6733b39a
JK		 1012struct be_ring {
1013 u32 pages; /* queue size in pages */
1014 u32 id; /* queue id assigned by beklib */
1015 u32 num; /* number of elements in queue */
1016 u32 cidx; /* consumer index */
1017 u32 pidx; /* producer index -- not used by most rings */
1018 u32 item_size; /* size in bytes of one object */
8a86e833
JK		 1019 u8 ulp_num; /* ULP to which CID binded */
1020 u16 register_set;
1021 u16 doorbell_format;
1022 u32 doorbell_offset;
6733b39a
JK		 1023
1024 void *va; /* The virtual address of the ring. This
1025 * should be last to allow 32 & 64 bit debugger
1026 * extensions to work.
1027 */
1028};
1029
6733b39a
JK		 1030struct hwi_controller {
1031 struct list_head io_sgl_list;
1032 struct list_head eh_sgl_list;
1033 struct sgl_handle *psgl_handle_base;
1034 unsigned int wrb_mem_index;
1035
a7909b39 1036 struct hwi_wrb_context *wrb_context;
6733b39a 1037 struct mcc_wrb *pmcc_wrb_base;
8a86e833
JK		 1038 struct be_ring default_pdu_hdr[BEISCSI_ULP_COUNT];
1039 struct be_ring default_pdu_data[BEISCSI_ULP_COUNT];
6733b39a 1040 struct hwi_context_memory *phwi_ctxt;
6733b39a
JK		 1041};
1042
1043enum hwh_type_enum {
1044 HWH_TYPE_IO = 1,
1045 HWH_TYPE_LOGOUT = 2,
1046 HWH_TYPE_TMF = 3,
1047 HWH_TYPE_NOP = 4,
1048 HWH_TYPE_IO_RD = 5,
1049 HWH_TYPE_LOGIN = 11,
1050 HWH_TYPE_INVALID = 0xFFFFFFFF
1051};
1052
1053struct wrb_handle {
1054 enum hwh_type_enum type;
1055 unsigned short wrb_index;
6733b39a
JK		 1056
1057 struct iscsi_task *pio_handle;
1058 struct iscsi_wrb *pwrb;
1059};
1060
1061struct hwi_context_memory {
bfead3b2
JK		 1062 /* Adaptive interrupt coalescing (AIC) info */
1063 u16 min_eqd; /* in usecs */
1064 u16 max_eqd; /* in usecs */
1065 u16 cur_eqd; /* in usecs */
1066 struct be_eq_obj be_eq[MAX_CPUS];
22abeef0 1067 struct be_queue_info be_cq[MAX_CPUS - 1];
6733b39a 1068
a7909b39 1069 struct be_queue_info *be_wrbq;
8a86e833
JK		 1070 struct be_queue_info be_def_hdrq[BEISCSI_ULP_COUNT];
1071 struct be_queue_info be_def_dataq[BEISCSI_ULP_COUNT];
1072 struct hwi_async_pdu_context *pasync_ctx[BEISCSI_ULP_COUNT];
6733b39a
JK		 1073};
1074
99bc5d55
JSJ		 1075/* Logging related definitions */
1076#define BEISCSI_LOG_INIT 0x0001 /* Initialization events */
1077#define BEISCSI_LOG_MBOX 0x0002 /* Mailbox Events */
1078#define BEISCSI_LOG_MISC 0x0004 /* Miscllaneous Events */
1079#define BEISCSI_LOG_EH 0x0008 /* Error Handler */
1080#define BEISCSI_LOG_IO 0x0010 /* IO Code Path */
1081#define BEISCSI_LOG_CONFIG 0x0020 /* CONFIG Code Path */
afb96058 1082#define BEISCSI_LOG_ISCSI 0x0040 /* SCSI/iSCSI Protocol related Logs */
99bc5d55 1083
53aefe25
JB		 1084#define __beiscsi_log(phba, level, fmt, arg...) \
1085 shost_printk(level, phba->shost, fmt, __LINE__, ##arg)
1086
99bc5d55
JSJ		 1087#define beiscsi_log(phba, level, mask, fmt, arg...) \
1088do { \
1089 uint32_t log_value = phba->attr_log_enable; \
1090 if (((mask) & log_value) || (level[1] <= '3')) \
53aefe25
JB		 1091 __beiscsi_log(phba, level, fmt, ##arg); \
1092} while (0);
99bc5d55 1093
6733b39a 1094#endif
Linux 6.x block layer and io_uring tree(s)