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6733b39a | 1 | /** |
60f36e04 | 2 | * Copyright (C) 2005 - 2016 Broadcom |
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 | * | |
60f36e04 | 10 | * Written by: Jayamohan Kallickal (jayamohan.kallickal@broadcom.com) |
6733b39a JK |
11 | * |
12 | * Contact Information: | |
60f36e04 | 13 | * linux-drivers@broadcom.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" |
fa1a174f | 39 | #define BUILD_STR "11.2.0.0" |
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 | 84 | |
6733b39a JK |
85 | #define BE_SENSE_INFO_SIZE 258 |
86 | #define BE_ISCSI_PDU_HEADER_SIZE 64 | |
87 | #define BE_MIN_MEM_SIZE 16384 | |
bfead3b2 | 88 | #define MAX_CMD_SZ 65536 |
6733b39a JK |
89 | #define IIOC_SCSI_DATA 0x05 /* Write Operation */ |
90 | ||
6733b39a JK |
91 | /** |
92 | * hardware needs the async PDU buffers to be posted in multiples of 8 | |
93 | * So have atleast 8 of them by default | |
94 | */ | |
95 | ||
8a86e833 JK |
96 | #define HWI_GET_ASYNC_PDU_CTX(phwi, ulp_num) \ |
97 | (phwi->phwi_ctxt->pasync_ctx[ulp_num]) | |
6733b39a JK |
98 | |
99 | /********* Memory BAR register ************/ | |
457ff3b7 | 100 | #define PCICFG_MEMBAR_CTRL_INT_CTRL_OFFSET 0xfc |
6733b39a JK |
101 | /** |
102 | * Host Interrupt Enable, if set interrupts are enabled although "PCI Interrupt | |
103 | * Disable" may still globally block interrupts in addition to individual | |
104 | * interrupt masks; a mechanism for the device driver to block all interrupts | |
105 | * atomically without having to arbitrate for the PCI Interrupt Disable bit | |
106 | * with the OS. | |
107 | */ | |
108 | #define MEMBAR_CTRL_INT_CTRL_HOSTINTR_MASK (1 << 29) /* bit 29 */ | |
109 | ||
110 | /********* ISR0 Register offset **********/ | |
457ff3b7 | 111 | #define CEV_ISR0_OFFSET 0xC18 |
6733b39a JK |
112 | #define CEV_ISR_SIZE 4 |
113 | ||
114 | /** | |
115 | * Macros for reading/writing a protection domain or CSR registers | |
116 | * in BladeEngine. | |
117 | */ | |
118 | ||
119 | #define DB_TXULP0_OFFSET 0x40 | |
120 | #define DB_RXULP0_OFFSET 0xA0 | |
121 | /********* Event Q door bell *************/ | |
122 | #define DB_EQ_OFFSET DB_CQ_OFFSET | |
e08b3c8b | 123 | #define DB_EQ_RING_ID_LOW_MASK 0x1FF /* bits 0 - 8 */ |
6733b39a JK |
124 | /* Clear the interrupt for this eq */ |
125 | #define DB_EQ_CLR_SHIFT (9) /* bit 9 */ | |
126 | /* Must be 1 */ | |
127 | #define DB_EQ_EVNT_SHIFT (10) /* bit 10 */ | |
e08b3c8b JK |
128 | /* Higher Order EQ_ID bit */ |
129 | #define DB_EQ_RING_ID_HIGH_MASK 0x1F /* bits 11 - 15 */ | |
130 | #define DB_EQ_HIGH_SET_SHIFT 11 | |
131 | #define DB_EQ_HIGH_FEILD_SHIFT 9 | |
6733b39a JK |
132 | /* Number of event entries processed */ |
133 | #define DB_EQ_NUM_POPPED_SHIFT (16) /* bits 16 - 28 */ | |
134 | /* Rearm bit */ | |
135 | #define DB_EQ_REARM_SHIFT (29) /* bit 29 */ | |
136 | ||
137 | /********* Compl Q door bell *************/ | |
457ff3b7 | 138 | #define DB_CQ_OFFSET 0x120 |
e08b3c8b JK |
139 | #define DB_CQ_RING_ID_LOW_MASK 0x3FF /* bits 0 - 9 */ |
140 | /* Higher Order CQ_ID bit */ | |
141 | #define DB_CQ_RING_ID_HIGH_MASK 0x1F /* bits 11 - 15 */ | |
142 | #define DB_CQ_HIGH_SET_SHIFT 11 | |
143 | #define DB_CQ_HIGH_FEILD_SHIFT 10 | |
144 | ||
6733b39a | 145 | /* Number of event entries processed */ |
457ff3b7 | 146 | #define DB_CQ_NUM_POPPED_SHIFT (16) /* bits 16 - 28 */ |
6733b39a | 147 | /* Rearm bit */ |
457ff3b7 | 148 | #define DB_CQ_REARM_SHIFT (29) /* bit 29 */ |
6733b39a JK |
149 | |
150 | #define GET_HWI_CONTROLLER_WS(pc) (pc->phwi_ctrlr) | |
8a86e833 JK |
151 | #define HWI_GET_DEF_BUFQ_ID(pc, ulp_num) (((struct hwi_controller *)\ |
152 | (GET_HWI_CONTROLLER_WS(pc)))->default_pdu_data[ulp_num].id) | |
153 | #define HWI_GET_DEF_HDRQ_ID(pc, ulp_num) (((struct hwi_controller *)\ | |
154 | (GET_HWI_CONTROLLER_WS(pc)))->default_pdu_hdr[ulp_num].id) | |
6733b39a JK |
155 | |
156 | #define PAGES_REQUIRED(x) \ | |
157 | ((x < PAGE_SIZE) ? 1 : ((x + PAGE_SIZE - 1) / PAGE_SIZE)) | |
158 | ||
8fcfb210 JK |
159 | #define BEISCSI_MSI_NAME 20 /* size of msi_name string */ |
160 | ||
a129d92f | 161 | #define MEM_DESCR_OFFSET 8 |
8a86e833 JK |
162 | #define BEISCSI_DEFQ_HDR 1 |
163 | #define BEISCSI_DEFQ_DATA 0 | |
6733b39a JK |
164 | enum be_mem_enum { |
165 | HWI_MEM_ADDN_CONTEXT, | |
6733b39a JK |
166 | HWI_MEM_WRB, |
167 | HWI_MEM_WRBH, | |
bfead3b2 | 168 | HWI_MEM_SGLH, |
6733b39a | 169 | HWI_MEM_SGE, |
a129d92f JK |
170 | HWI_MEM_TEMPLATE_HDR_ULP0, |
171 | HWI_MEM_ASYNC_HEADER_BUF_ULP0, /* 6 */ | |
8a86e833 JK |
172 | HWI_MEM_ASYNC_DATA_BUF_ULP0, |
173 | HWI_MEM_ASYNC_HEADER_RING_ULP0, | |
174 | HWI_MEM_ASYNC_DATA_RING_ULP0, | |
175 | HWI_MEM_ASYNC_HEADER_HANDLE_ULP0, | |
a129d92f | 176 | HWI_MEM_ASYNC_DATA_HANDLE_ULP0, /* 11 */ |
8a86e833 | 177 | HWI_MEM_ASYNC_PDU_CONTEXT_ULP0, |
a129d92f JK |
178 | HWI_MEM_TEMPLATE_HDR_ULP1, |
179 | HWI_MEM_ASYNC_HEADER_BUF_ULP1, /* 14 */ | |
8a86e833 JK |
180 | HWI_MEM_ASYNC_DATA_BUF_ULP1, |
181 | HWI_MEM_ASYNC_HEADER_RING_ULP1, | |
182 | HWI_MEM_ASYNC_DATA_RING_ULP1, | |
183 | HWI_MEM_ASYNC_HEADER_HANDLE_ULP1, | |
a129d92f | 184 | HWI_MEM_ASYNC_DATA_HANDLE_ULP1, /* 19 */ |
8a86e833 | 185 | HWI_MEM_ASYNC_PDU_CONTEXT_ULP1, |
6733b39a | 186 | ISCSI_MEM_GLOBAL_HEADER, |
bfead3b2 | 187 | SE_MEM_MAX |
6733b39a JK |
188 | }; |
189 | ||
190 | struct be_bus_address32 { | |
191 | unsigned int address_lo; | |
192 | unsigned int address_hi; | |
193 | }; | |
194 | ||
195 | struct be_bus_address64 { | |
196 | unsigned long long address; | |
197 | }; | |
198 | ||
199 | struct be_bus_address { | |
200 | union { | |
201 | struct be_bus_address32 a32; | |
202 | struct be_bus_address64 a64; | |
203 | } u; | |
204 | }; | |
205 | ||
206 | struct mem_array { | |
207 | struct be_bus_address bus_address; /* Bus address of location */ | |
208 | void *virtual_address; /* virtual address to the location */ | |
209 | unsigned int size; /* Size required by memory block */ | |
210 | }; | |
211 | ||
212 | struct be_mem_descriptor { | |
213 | unsigned int index; /* Index of this memory parameter */ | |
214 | unsigned int category; /* type indicates cached/non-cached */ | |
215 | unsigned int num_elements; /* number of elements in this | |
216 | * descriptor | |
217 | */ | |
218 | unsigned int alignment_mask; /* Alignment mask for this block */ | |
219 | unsigned int size_in_bytes; /* Size required by memory block */ | |
220 | struct mem_array *mem_array; | |
221 | }; | |
222 | ||
223 | struct sgl_handle { | |
224 | unsigned int sgl_index; | |
bfead3b2 JK |
225 | unsigned int type; |
226 | unsigned int cid; | |
227 | struct iscsi_task *task; | |
6733b39a JK |
228 | struct iscsi_sge *pfrag; |
229 | }; | |
230 | ||
231 | struct hba_parameters { | |
232 | unsigned int ios_per_ctrl; | |
233 | unsigned int cxns_per_ctrl; | |
234 | unsigned int asyncpdus_per_ctrl; | |
235 | unsigned int icds_per_ctrl; | |
236 | unsigned int num_sge_per_io; | |
237 | unsigned int defpdu_hdr_sz; | |
238 | unsigned int defpdu_data_sz; | |
239 | unsigned int num_cq_entries; | |
240 | unsigned int num_eq_entries; | |
241 | unsigned int wrbs_per_cxn; | |
242 | unsigned int crashmode; | |
243 | unsigned int hba_num; | |
244 | ||
245 | unsigned int mgmt_ws_sz; | |
246 | unsigned int hwi_ws_sz; | |
247 | ||
248 | unsigned int eto; | |
249 | unsigned int ldto; | |
250 | ||
251 | unsigned int dbg_flags; | |
252 | unsigned int num_cxn; | |
253 | ||
254 | unsigned int eq_timer; | |
255 | /** | |
256 | * These are calculated from other params. They're here | |
257 | * for debug purposes | |
258 | */ | |
259 | unsigned int num_mcc_pages; | |
260 | unsigned int num_mcc_cq_pages; | |
261 | unsigned int num_cq_pages; | |
262 | unsigned int num_eq_pages; | |
263 | ||
264 | unsigned int num_async_pdu_buf_pages; | |
265 | unsigned int num_async_pdu_buf_sgl_pages; | |
266 | unsigned int num_async_pdu_buf_cq_pages; | |
267 | ||
268 | unsigned int num_async_pdu_hdr_pages; | |
269 | unsigned int num_async_pdu_hdr_sgl_pages; | |
270 | unsigned int num_async_pdu_hdr_cq_pages; | |
271 | ||
272 | unsigned int num_sge; | |
273 | }; | |
274 | ||
4183122d JK |
275 | struct invalidate_command_table { |
276 | unsigned short icd; | |
277 | unsigned short cid; | |
278 | } __packed; | |
279 | ||
4eea99d5 JK |
280 | #define BEISCSI_GET_ULP_FROM_CRI(phwi_ctrlr, cri) \ |
281 | (phwi_ctrlr->wrb_context[cri].ulp_num) | |
282 | struct hwi_wrb_context { | |
f64d92e6 | 283 | spinlock_t wrb_lock; |
4eea99d5 JK |
284 | struct list_head wrb_handle_list; |
285 | struct list_head wrb_handle_drvr_list; | |
286 | struct wrb_handle **pwrb_handle_base; | |
287 | struct wrb_handle **pwrb_handle_basestd; | |
288 | struct iscsi_wrb *plast_wrb; | |
289 | unsigned short alloc_index; | |
290 | unsigned short free_index; | |
291 | unsigned short wrb_handles_available; | |
292 | unsigned short cid; | |
293 | uint8_t ulp_num; /* ULP to which CID binded */ | |
294 | uint16_t register_set; | |
295 | uint16_t doorbell_format; | |
296 | uint32_t doorbell_offset; | |
297 | }; | |
298 | ||
0a3db7c0 JK |
299 | struct ulp_cid_info { |
300 | unsigned short *cid_array; | |
301 | unsigned short avlbl_cids; | |
302 | unsigned short cid_alloc; | |
303 | unsigned short cid_free; | |
304 | }; | |
305 | ||
4eea99d5 | 306 | #include "be.h" |
2c9dfd36 JK |
307 | #define chip_be2(phba) (phba->generation == BE_GEN2) |
308 | #define chip_be3_r(phba) (phba->generation == BE_GEN3) | |
309 | #define is_chip_be2_be3r(phba) (chip_be3_r(phba) || (chip_be2(phba))) | |
843ae752 JK |
310 | |
311 | #define BEISCSI_ULP0 0 | |
312 | #define BEISCSI_ULP1 1 | |
313 | #define BEISCSI_ULP_COUNT 2 | |
314 | #define BEISCSI_ULP0_LOADED 0x01 | |
315 | #define BEISCSI_ULP1_LOADED 0x02 | |
0a3db7c0 JK |
316 | |
317 | #define BEISCSI_ULP_AVLBL_CID(phba, ulp_num) \ | |
318 | (((struct ulp_cid_info *)phba->cid_array_info[ulp_num])->avlbl_cids) | |
319 | #define BEISCSI_ULP0_AVLBL_CID(phba) \ | |
320 | BEISCSI_ULP_AVLBL_CID(phba, BEISCSI_ULP0) | |
321 | #define BEISCSI_ULP1_AVLBL_CID(phba) \ | |
322 | BEISCSI_ULP_AVLBL_CID(phba, BEISCSI_ULP1) | |
323 | ||
6733b39a JK |
324 | struct beiscsi_hba { |
325 | struct hba_parameters params; | |
326 | struct hwi_controller *phwi_ctrlr; | |
327 | unsigned int mem_req[SE_MEM_MAX]; | |
328 | /* PCI BAR mapped addresses */ | |
329 | u8 __iomem *csr_va; /* CSR */ | |
330 | u8 __iomem *db_va; /* Door Bell */ | |
331 | u8 __iomem *pci_va; /* PCI Config */ | |
332 | struct be_bus_address csr_pa; /* CSR */ | |
333 | struct be_bus_address db_pa; /* CSR */ | |
334 | struct be_bus_address pci_pa; /* CSR */ | |
335 | /* PCI representation of our HBA */ | |
336 | struct pci_dev *pcidev; | |
6733b39a | 337 | unsigned short asic_revision; |
bfead3b2 JK |
338 | unsigned int num_cpus; |
339 | unsigned int nxt_cqid; | |
22abeef0 JSJ |
340 | struct msix_entry msix_entries[MAX_CPUS]; |
341 | char *msi_name[MAX_CPUS]; | |
bfead3b2 | 342 | bool msix_enabled; |
6733b39a JK |
343 | struct be_mem_descriptor *init_mem; |
344 | ||
345 | unsigned short io_sgl_alloc_index; | |
346 | unsigned short io_sgl_free_index; | |
347 | unsigned short io_sgl_hndl_avbl; | |
348 | struct sgl_handle **io_sgl_hndl_base; | |
bfead3b2 | 349 | struct sgl_handle **sgl_hndl_array; |
6733b39a JK |
350 | |
351 | unsigned short eh_sgl_alloc_index; | |
352 | unsigned short eh_sgl_free_index; | |
353 | unsigned short eh_sgl_hndl_avbl; | |
354 | struct sgl_handle **eh_sgl_hndl_base; | |
355 | spinlock_t io_sgl_lock; | |
356 | spinlock_t mgmt_sgl_lock; | |
8f09a3b9 | 357 | spinlock_t async_pdu_lock; |
6733b39a | 358 | unsigned int age; |
6733b39a | 359 | struct list_head hba_queue; |
a7909b39 JK |
360 | #define BE_MAX_SESSION 2048 |
361 | #define BE_SET_CID_TO_CRI(cri_index, cid) \ | |
362 | (phba->cid_to_cri_map[cid] = cri_index) | |
363 | #define BE_GET_CRI_FROM_CID(cid) (phba->cid_to_cri_map[cid]) | |
364 | unsigned short cid_to_cri_map[BE_MAX_SESSION]; | |
0a3db7c0 | 365 | struct ulp_cid_info *cid_array_info[BEISCSI_ULP_COUNT]; |
6733b39a | 366 | struct iscsi_endpoint **ep_array; |
a7909b39 | 367 | struct beiscsi_conn **conn_table; |
6733b39a | 368 | struct Scsi_Host *shost; |
0e43895e MC |
369 | struct iscsi_iface *ipv4_iface; |
370 | struct iscsi_iface *ipv6_iface; | |
6733b39a JK |
371 | struct { |
372 | /** | |
373 | * group together since they are used most frequently | |
374 | * for cid to cri conversion | |
375 | */ | |
4570f161 | 376 | #define BEISCSI_PHYS_PORT_MAX 4 |
6733b39a | 377 | unsigned int phys_port; |
4570f161 | 378 | /* valid values of phys_port id are 0, 1, 2, 3 */ |
68c26a3a JK |
379 | unsigned int eqid_count; |
380 | unsigned int cqid_count; | |
843ae752 JK |
381 | unsigned int iscsi_cid_start[BEISCSI_ULP_COUNT]; |
382 | #define BEISCSI_GET_CID_COUNT(phba, ulp_num) \ | |
8a86e833 | 383 | (phba->fw_config.iscsi_cid_count[ulp_num]) |
843ae752 JK |
384 | unsigned int iscsi_cid_count[BEISCSI_ULP_COUNT]; |
385 | unsigned int iscsi_icd_count[BEISCSI_ULP_COUNT]; | |
386 | unsigned int iscsi_icd_start[BEISCSI_ULP_COUNT]; | |
387 | unsigned int iscsi_chain_start[BEISCSI_ULP_COUNT]; | |
388 | unsigned int iscsi_chain_count[BEISCSI_ULP_COUNT]; | |
6733b39a | 389 | |
bfead3b2 | 390 | unsigned short iscsi_features; |
843ae752 JK |
391 | uint16_t dual_ulp_aware; |
392 | unsigned long ulp_supported; | |
6733b39a JK |
393 | } fw_config; |
394 | ||
9122e991 | 395 | unsigned long state; |
d1d5ca88 | 396 | #define BEISCSI_HBA_ONLINE 0 |
9122e991 JB |
397 | #define BEISCSI_HBA_LINK_UP 1 |
398 | #define BEISCSI_HBA_BOOT_FOUND 2 | |
50a4b824 | 399 | #define BEISCSI_HBA_BOOT_WORK 3 |
6694095b JB |
400 | #define BEISCSI_HBA_UER_SUPP 4 |
401 | #define BEISCSI_HBA_PCI_ERR 5 | |
402 | #define BEISCSI_HBA_FW_TIMEOUT 6 | |
403 | #define BEISCSI_HBA_IN_UE 7 | |
404 | #define BEISCSI_HBA_IN_TPE 8 | |
405 | ||
9122e991 JB |
406 | /* error bits */ |
407 | #define BEISCSI_HBA_IN_ERR ((1 << BEISCSI_HBA_PCI_ERR) | \ | |
408 | (1 << BEISCSI_HBA_FW_TIMEOUT) | \ | |
6694095b JB |
409 | (1 << BEISCSI_HBA_IN_UE) | \ |
410 | (1 << BEISCSI_HBA_IN_TPE)) | |
9122e991 | 411 | |
53aefe25 | 412 | u8 optic_state; |
10bcd47d JB |
413 | struct delayed_work eqd_update; |
414 | /* update EQ delay timer every 1000ms */ | |
415 | #define BEISCSI_EQD_UPDATE_INTERVAL 1000 | |
416 | struct timer_list hw_check; | |
417 | /* check for UE every 1000ms */ | |
418 | #define BEISCSI_UE_DETECT_INTERVAL 1000 | |
6694095b | 419 | u32 ue2rp; |
d1d5ca88 | 420 | struct delayed_work recover_port; |
10e1a44a | 421 | struct work_struct sess_work; |
e175defe | 422 | |
6c83185a | 423 | bool mac_addr_set; |
6733b39a | 424 | u8 mac_address[ETH_ALEN]; |
53aefe25 | 425 | u8 port_name; |
048084c2 | 426 | u8 port_speed; |
22661e25 | 427 | char fw_ver_str[BEISCSI_VER_STRLEN]; |
6733b39a JK |
428 | char wq_name[20]; |
429 | struct workqueue_struct *wq; /* The actuak work queue */ | |
6733b39a | 430 | struct be_ctrl_info ctrl; |
f98c96b0 | 431 | unsigned int generation; |
0e43895e | 432 | unsigned int interface_handle; |
4183122d JK |
433 | struct invalidate_command_table inv_tbl[128]; |
434 | ||
73af08e1 | 435 | struct be_aic_obj aic_obj[MAX_CPUS]; |
99bc5d55 | 436 | unsigned int attr_log_enable; |
09a1093a JSJ |
437 | int (*iotask_fn)(struct iscsi_task *, |
438 | struct scatterlist *sg, | |
439 | uint32_t num_sg, uint32_t xferlen, | |
440 | uint32_t writedir); | |
50a4b824 JB |
441 | struct boot_struct { |
442 | int retry; | |
443 | unsigned int tag; | |
444 | unsigned int s_handle; | |
445 | struct be_dma_mem nonemb_cmd; | |
446 | enum { | |
447 | BEISCSI_BOOT_REOPEN_SESS = 1, | |
448 | BEISCSI_BOOT_GET_SHANDLE, | |
449 | BEISCSI_BOOT_GET_SINFO, | |
450 | BEISCSI_BOOT_LOGOUT_SESS, | |
451 | BEISCSI_BOOT_CREATE_KSET, | |
452 | } action; | |
453 | struct mgmt_session_info boot_sess; | |
454 | struct iscsi_boot_kset *boot_kset; | |
455 | } boot_struct; | |
456 | struct work_struct boot_work; | |
6733b39a JK |
457 | }; |
458 | ||
9122e991 | 459 | #define beiscsi_hba_in_error(phba) ((phba)->state & BEISCSI_HBA_IN_ERR) |
d1d5ca88 JB |
460 | #define beiscsi_hba_is_online(phba) \ |
461 | (!beiscsi_hba_in_error((phba)) && \ | |
462 | test_bit(BEISCSI_HBA_ONLINE, &phba->state)) | |
9122e991 | 463 | |
b8b9e1b8 JK |
464 | struct beiscsi_session { |
465 | struct pci_pool *bhs_pool; | |
466 | }; | |
467 | ||
6733b39a JK |
468 | /** |
469 | * struct beiscsi_conn - iscsi connection structure | |
470 | */ | |
471 | struct beiscsi_conn { | |
472 | struct iscsi_conn *conn; | |
473 | struct beiscsi_hba *phba; | |
474 | u32 exp_statsn; | |
1e4be6ff | 475 | u32 doorbell_offset; |
6733b39a JK |
476 | u32 beiscsi_conn_cid; |
477 | struct beiscsi_endpoint *ep; | |
478 | unsigned short login_in_progress; | |
d2cecf0d | 479 | struct wrb_handle *plogin_wrb_handle; |
6733b39a | 480 | struct sgl_handle *plogin_sgl_handle; |
b8b9e1b8 | 481 | struct beiscsi_session *beiscsi_sess; |
bfead3b2 | 482 | struct iscsi_task *task; |
6733b39a JK |
483 | }; |
484 | ||
485 | /* This structure is used by the chip */ | |
486 | struct pdu_data_out { | |
487 | u32 dw[12]; | |
488 | }; | |
489 | /** | |
490 | * Pseudo amap definition in which each bit of the actual structure is defined | |
491 | * as a byte: used to calculate offset/shift/mask of each field | |
492 | */ | |
493 | struct amap_pdu_data_out { | |
494 | u8 opcode[6]; /* opcode */ | |
495 | u8 rsvd0[2]; /* should be 0 */ | |
496 | u8 rsvd1[7]; | |
497 | u8 final_bit; /* F bit */ | |
498 | u8 rsvd2[16]; | |
499 | u8 ahs_length[8]; /* no AHS */ | |
500 | u8 data_len_hi[8]; | |
501 | u8 data_len_lo[16]; /* DataSegmentLength */ | |
502 | u8 lun[64]; | |
503 | u8 itt[32]; /* ITT; initiator task tag */ | |
504 | u8 ttt[32]; /* TTT; valid for R2T or 0xffffffff */ | |
505 | u8 rsvd3[32]; | |
506 | u8 exp_stat_sn[32]; | |
507 | u8 rsvd4[32]; | |
508 | u8 data_sn[32]; | |
509 | u8 buffer_offset[32]; | |
510 | u8 rsvd5[32]; | |
511 | }; | |
512 | ||
513 | struct be_cmd_bhs { | |
12352183 | 514 | struct iscsi_scsi_req iscsi_hdr; |
6733b39a JK |
515 | unsigned char pad1[16]; |
516 | struct pdu_data_out iscsi_data_pdu; | |
517 | unsigned char pad2[BE_SENSE_INFO_SIZE - | |
518 | sizeof(struct pdu_data_out)]; | |
519 | }; | |
520 | ||
521 | struct beiscsi_io_task { | |
522 | struct wrb_handle *pwrb_handle; | |
523 | struct sgl_handle *psgl_handle; | |
524 | struct beiscsi_conn *conn; | |
525 | struct scsi_cmnd *scsi_cmnd; | |
9122e991 | 526 | int num_sg; |
340c99e9 | 527 | struct hwi_wrb_context *pwrb_context; |
6733b39a JK |
528 | unsigned int cmd_sn; |
529 | unsigned int flags; | |
530 | unsigned short cid; | |
531 | unsigned short header_len; | |
bfead3b2 | 532 | itt_t libiscsi_itt; |
6733b39a JK |
533 | struct be_cmd_bhs *cmd_bhs; |
534 | struct be_bus_address bhs_pa; | |
535 | unsigned short bhs_len; | |
d629c471 JSJ |
536 | dma_addr_t mtask_addr; |
537 | uint32_t mtask_data_count; | |
09a1093a | 538 | uint8_t wrb_type; |
6733b39a JK |
539 | }; |
540 | ||
541 | struct be_nonio_bhs { | |
542 | struct iscsi_hdr iscsi_hdr; | |
543 | unsigned char pad1[16]; | |
544 | struct pdu_data_out iscsi_data_pdu; | |
545 | unsigned char pad2[BE_SENSE_INFO_SIZE - | |
546 | sizeof(struct pdu_data_out)]; | |
547 | }; | |
548 | ||
549 | struct be_status_bhs { | |
12352183 | 550 | struct iscsi_scsi_req iscsi_hdr; |
6733b39a JK |
551 | unsigned char pad1[16]; |
552 | /** | |
553 | * The plus 2 below is to hold the sense info length that gets | |
554 | * DMA'ed by RxULP | |
555 | */ | |
556 | unsigned char sense_info[BE_SENSE_INFO_SIZE]; | |
557 | }; | |
558 | ||
559 | struct iscsi_sge { | |
560 | u32 dw[4]; | |
561 | }; | |
562 | ||
563 | /** | |
564 | * Pseudo amap definition in which each bit of the actual structure is defined | |
565 | * as a byte: used to calculate offset/shift/mask of each field | |
566 | */ | |
567 | struct amap_iscsi_sge { | |
568 | u8 addr_hi[32]; | |
569 | u8 addr_lo[32]; | |
570 | u8 sge_offset[22]; /* DWORD 2 */ | |
571 | u8 rsvd0[9]; /* DWORD 2 */ | |
572 | u8 last_sge; /* DWORD 2 */ | |
573 | u8 len[17]; /* DWORD 3 */ | |
574 | u8 rsvd1[15]; /* DWORD 3 */ | |
575 | }; | |
576 | ||
577 | struct beiscsi_offload_params { | |
7331613e | 578 | u32 dw[6]; |
6733b39a JK |
579 | }; |
580 | ||
581 | #define OFFLD_PARAMS_ERL 0x00000003 | |
582 | #define OFFLD_PARAMS_DDE 0x00000004 | |
583 | #define OFFLD_PARAMS_HDE 0x00000008 | |
584 | #define OFFLD_PARAMS_IR2T 0x00000010 | |
585 | #define OFFLD_PARAMS_IMD 0x00000020 | |
acb9693c JSJ |
586 | #define OFFLD_PARAMS_DATA_SEQ_INORDER 0x00000040 |
587 | #define OFFLD_PARAMS_PDU_SEQ_INORDER 0x00000080 | |
588 | #define OFFLD_PARAMS_MAX_R2T 0x00FFFF00 | |
6733b39a JK |
589 | |
590 | /** | |
591 | * Pseudo amap definition in which each bit of the actual structure is defined | |
592 | * as a byte: used to calculate offset/shift/mask of each field | |
593 | */ | |
594 | struct amap_beiscsi_offload_params { | |
595 | u8 max_burst_length[32]; | |
596 | u8 max_send_data_segment_length[32]; | |
597 | u8 first_burst_length[32]; | |
598 | u8 erl[2]; | |
599 | u8 dde[1]; | |
600 | u8 hde[1]; | |
601 | u8 ir2t[1]; | |
602 | u8 imd[1]; | |
acb9693c JSJ |
603 | u8 data_seq_inorder[1]; |
604 | u8 pdu_seq_inorder[1]; | |
605 | u8 max_r2t[16]; | |
606 | u8 pad[8]; | |
6733b39a | 607 | u8 exp_statsn[32]; |
7331613e | 608 | u8 max_recv_data_segment_length[32]; |
6733b39a JK |
609 | }; |
610 | ||
938f372c | 611 | struct hd_async_handle { |
6733b39a JK |
612 | struct list_head link; |
613 | struct be_bus_address pa; | |
614 | void *pbuffer; | |
938f372c JB |
615 | u32 buffer_len; |
616 | u16 index; | |
617 | u16 cri; | |
618 | u8 is_header; | |
619 | u8 is_final; | |
6733b39a JK |
620 | }; |
621 | ||
938f372c JB |
622 | /** |
623 | * This has list of async PDUs that are waiting to be processed. | |
624 | * Buffers live in this list for a brief duration before they get | |
625 | * processed and posted back to hardware. | |
626 | * Note that we don't really need one cri_wait_queue per async_entry. | |
627 | * We need one cri_wait_queue per CRI. Its easier to manage if this | |
628 | * is tagged along with the async_entry. | |
629 | */ | |
630 | struct hd_async_entry { | |
631 | struct cri_wait_queue { | |
632 | unsigned short hdr_len; | |
633 | unsigned int bytes_received; | |
6733b39a JK |
634 | unsigned int bytes_needed; |
635 | struct list_head list; | |
938f372c JB |
636 | } wq; |
637 | /* handles posted to FW resides here */ | |
638 | struct hd_async_handle *header; | |
639 | struct hd_async_handle *data; | |
6733b39a JK |
640 | }; |
641 | ||
938f372c JB |
642 | struct hd_async_buf_context { |
643 | struct be_bus_address pa_base; | |
644 | void *va_base; | |
645 | void *ring_base; | |
646 | struct hd_async_handle *handle_base; | |
647 | u16 free_entries; | |
648 | u32 buffer_size; | |
649 | /** | |
650 | * Once iSCSI layer finishes processing an async PDU, the | |
651 | * handles used for the PDU are added to this list. | |
652 | * They are posted back to FW in groups of 8. | |
653 | */ | |
654 | struct list_head free_list; | |
655 | }; | |
6733b39a | 656 | |
938f372c JB |
657 | /** |
658 | * hd_async_context is declared for each ULP supporting iSCSI function. | |
659 | */ | |
660 | struct hd_async_context { | |
661 | struct hd_async_buf_context async_header; | |
662 | struct hd_async_buf_context async_data; | |
663 | u16 num_entries; | |
664 | /** | |
665 | * When unsol PDU is in, it needs to be chained till all the bytes are | |
666 | * received and then processing is done. hd_async_entry is created | |
667 | * based on the cid_count for each ULP. When unsol PDU comes in based | |
668 | * on the conn_id it needs to be added to the correct async_entry wq. | |
669 | * Below defined cid_to_async_cri_map is used to reterive the | |
670 | * async_cri_map for a particular connection. | |
671 | * | |
672 | * This array is initialized after beiscsi_create_wrb_rings returns. | |
673 | * | |
674 | * - this method takes more memory space, fixed to 2K | |
675 | * - any support for connections greater than this the array size needs | |
676 | * to be incremented | |
677 | */ | |
8a86e833 JK |
678 | #define BE_GET_ASYNC_CRI_FROM_CID(cid) (pasync_ctx->cid_to_async_cri_map[cid]) |
679 | unsigned short cid_to_async_cri_map[BE_MAX_SESSION]; | |
6733b39a | 680 | /** |
938f372c | 681 | * This is a variable size array. Don`t add anything after this field!! |
6733b39a | 682 | */ |
938f372c | 683 | struct hd_async_entry *async_entry; |
6733b39a JK |
684 | }; |
685 | ||
6733b39a JK |
686 | struct i_t_dpdu_cqe { |
687 | u32 dw[4]; | |
688 | } __packed; | |
689 | ||
690 | /** | |
691 | * Pseudo amap definition in which each bit of the actual structure is defined | |
692 | * as a byte: used to calculate offset/shift/mask of each field | |
693 | */ | |
694 | struct amap_i_t_dpdu_cqe { | |
695 | u8 db_addr_hi[32]; | |
696 | u8 db_addr_lo[32]; | |
697 | u8 code[6]; | |
698 | u8 cid[10]; | |
699 | u8 dpl[16]; | |
700 | u8 index[16]; | |
701 | u8 num_cons[10]; | |
702 | u8 rsvd0[4]; | |
703 | u8 final; | |
704 | u8 valid; | |
705 | } __packed; | |
706 | ||
73133261 JSJ |
707 | struct amap_i_t_dpdu_cqe_v2 { |
708 | u8 db_addr_hi[32]; /* DWORD 0 */ | |
709 | u8 db_addr_lo[32]; /* DWORD 1 */ | |
710 | u8 code[6]; /* DWORD 2 */ | |
711 | u8 num_cons; /* DWORD 2*/ | |
712 | u8 rsvd0[8]; /* DWORD 2 */ | |
713 | u8 dpl[17]; /* DWORD 2 */ | |
714 | u8 index[16]; /* DWORD 3 */ | |
715 | u8 cid[13]; /* DWORD 3 */ | |
716 | u8 rsvd1; /* DWORD 3 */ | |
717 | u8 final; /* DWORD 3 */ | |
718 | u8 valid; /* DWORD 3 */ | |
719 | } __packed; | |
720 | ||
6733b39a JK |
721 | #define CQE_VALID_MASK 0x80000000 |
722 | #define CQE_CODE_MASK 0x0000003F | |
723 | #define CQE_CID_MASK 0x0000FFC0 | |
724 | ||
725 | #define EQE_VALID_MASK 0x00000001 | |
726 | #define EQE_MAJORCODE_MASK 0x0000000E | |
727 | #define EQE_RESID_MASK 0xFFFF0000 | |
728 | ||
729 | struct be_eq_entry { | |
730 | u32 dw[1]; | |
731 | } __packed; | |
732 | ||
733 | /** | |
734 | * Pseudo amap definition in which each bit of the actual structure is defined | |
735 | * as a byte: used to calculate offset/shift/mask of each field | |
736 | */ | |
737 | struct amap_eq_entry { | |
738 | u8 valid; /* DWORD 0 */ | |
739 | u8 major_code[3]; /* DWORD 0 */ | |
740 | u8 minor_code[12]; /* DWORD 0 */ | |
741 | u8 resource_id[16]; /* DWORD 0 */ | |
742 | ||
743 | } __packed; | |
744 | ||
745 | struct cq_db { | |
746 | u32 dw[1]; | |
747 | } __packed; | |
748 | ||
749 | /** | |
750 | * Pseudo amap definition in which each bit of the actual structure is defined | |
751 | * as a byte: used to calculate offset/shift/mask of each field | |
752 | */ | |
753 | struct amap_cq_db { | |
754 | u8 qid[10]; | |
755 | u8 event[1]; | |
756 | u8 rsvd0[5]; | |
757 | u8 num_popped[13]; | |
758 | u8 rearm[1]; | |
759 | u8 rsvd1[2]; | |
760 | } __packed; | |
761 | ||
762 | void beiscsi_process_eq(struct beiscsi_hba *phba); | |
763 | ||
6733b39a JK |
764 | struct iscsi_wrb { |
765 | u32 dw[16]; | |
766 | } __packed; | |
767 | ||
768 | #define WRB_TYPE_MASK 0xF0000000 | |
09a1093a JSJ |
769 | #define SKH_WRB_TYPE_OFFSET 27 |
770 | #define BE_WRB_TYPE_OFFSET 28 | |
771 | ||
772 | #define ADAPTER_SET_WRB_TYPE(pwrb, wrb_type, type_offset) \ | |
773 | (pwrb->dw[0] |= (wrb_type << type_offset)) | |
6733b39a JK |
774 | |
775 | /** | |
776 | * Pseudo amap definition in which each bit of the actual structure is defined | |
777 | * as a byte: used to calculate offset/shift/mask of each field | |
778 | */ | |
779 | struct amap_iscsi_wrb { | |
780 | u8 lun[14]; /* DWORD 0 */ | |
781 | u8 lt; /* DWORD 0 */ | |
782 | u8 invld; /* DWORD 0 */ | |
783 | u8 wrb_idx[8]; /* DWORD 0 */ | |
784 | u8 dsp; /* DWORD 0 */ | |
785 | u8 dmsg; /* DWORD 0 */ | |
786 | u8 undr_run; /* DWORD 0 */ | |
787 | u8 over_run; /* DWORD 0 */ | |
788 | u8 type[4]; /* DWORD 0 */ | |
789 | u8 ptr2nextwrb[8]; /* DWORD 1 */ | |
790 | u8 r2t_exp_dtl[24]; /* DWORD 1 */ | |
791 | u8 sgl_icd_idx[12]; /* DWORD 2 */ | |
792 | u8 rsvd0[20]; /* DWORD 2 */ | |
793 | u8 exp_data_sn[32]; /* DWORD 3 */ | |
794 | u8 iscsi_bhs_addr_hi[32]; /* DWORD 4 */ | |
795 | u8 iscsi_bhs_addr_lo[32]; /* DWORD 5 */ | |
796 | u8 cmdsn_itt[32]; /* DWORD 6 */ | |
797 | u8 dif_ref_tag[32]; /* DWORD 7 */ | |
798 | u8 sge0_addr_hi[32]; /* DWORD 8 */ | |
799 | u8 sge0_addr_lo[32]; /* DWORD 9 */ | |
800 | u8 sge0_offset[22]; /* DWORD 10 */ | |
801 | u8 pbs; /* DWORD 10 */ | |
802 | u8 dif_mode[2]; /* DWORD 10 */ | |
803 | u8 rsvd1[6]; /* DWORD 10 */ | |
804 | u8 sge0_last; /* DWORD 10 */ | |
805 | u8 sge0_len[17]; /* DWORD 11 */ | |
806 | u8 dif_meta_tag[14]; /* DWORD 11 */ | |
807 | u8 sge0_in_ddr; /* DWORD 11 */ | |
808 | u8 sge1_addr_hi[32]; /* DWORD 12 */ | |
809 | u8 sge1_addr_lo[32]; /* DWORD 13 */ | |
810 | u8 sge1_r2t_offset[22]; /* DWORD 14 */ | |
811 | u8 rsvd2[9]; /* DWORD 14 */ | |
812 | u8 sge1_last; /* DWORD 14 */ | |
813 | u8 sge1_len[17]; /* DWORD 15 */ | |
814 | u8 ref_sgl_icd_idx[12]; /* DWORD 15 */ | |
815 | u8 rsvd3[2]; /* DWORD 15 */ | |
816 | u8 sge1_in_ddr; /* DWORD 15 */ | |
817 | ||
818 | } __packed; | |
819 | ||
09a1093a JSJ |
820 | struct amap_iscsi_wrb_v2 { |
821 | u8 r2t_exp_dtl[25]; /* DWORD 0 */ | |
822 | u8 rsvd0[2]; /* DWORD 0*/ | |
823 | u8 type[5]; /* DWORD 0 */ | |
824 | u8 ptr2nextwrb[8]; /* DWORD 1 */ | |
825 | u8 wrb_idx[8]; /* DWORD 1 */ | |
826 | u8 lun[16]; /* DWORD 1 */ | |
827 | u8 sgl_idx[16]; /* DWORD 2 */ | |
828 | u8 ref_sgl_icd_idx[16]; /* DWORD 2 */ | |
829 | u8 exp_data_sn[32]; /* DWORD 3 */ | |
830 | u8 iscsi_bhs_addr_hi[32]; /* DWORD 4 */ | |
831 | u8 iscsi_bhs_addr_lo[32]; /* DWORD 5 */ | |
832 | u8 cq_id[16]; /* DWORD 6 */ | |
833 | u8 rsvd1[16]; /* DWORD 6 */ | |
834 | u8 cmdsn_itt[32]; /* DWORD 7 */ | |
835 | u8 sge0_addr_hi[32]; /* DWORD 8 */ | |
836 | u8 sge0_addr_lo[32]; /* DWORD 9 */ | |
837 | u8 sge0_offset[24]; /* DWORD 10 */ | |
838 | u8 rsvd2[7]; /* DWORD 10 */ | |
839 | u8 sge0_last; /* DWORD 10 */ | |
840 | u8 sge0_len[17]; /* DWORD 11 */ | |
841 | u8 rsvd3[7]; /* DWORD 11 */ | |
842 | u8 diff_enbl; /* DWORD 11 */ | |
843 | u8 u_run; /* DWORD 11 */ | |
844 | u8 o_run; /* DWORD 11 */ | |
845 | u8 invalid; /* DWORD 11 */ | |
846 | u8 dsp; /* DWORD 11 */ | |
847 | u8 dmsg; /* DWORD 11 */ | |
848 | u8 rsvd4; /* DWORD 11 */ | |
849 | u8 lt; /* DWORD 11 */ | |
850 | u8 sge1_addr_hi[32]; /* DWORD 12 */ | |
851 | u8 sge1_addr_lo[32]; /* DWORD 13 */ | |
852 | u8 sge1_r2t_offset[24]; /* DWORD 14 */ | |
853 | u8 rsvd5[7]; /* DWORD 14 */ | |
854 | u8 sge1_last; /* DWORD 14 */ | |
855 | u8 sge1_len[17]; /* DWORD 15 */ | |
856 | u8 rsvd6[15]; /* DWORD 15 */ | |
857 | } __packed; | |
858 | ||
859 | ||
340c99e9 JSJ |
860 | struct wrb_handle *alloc_wrb_handle(struct beiscsi_hba *phba, unsigned int cid, |
861 | struct hwi_wrb_context **pcontext); | |
6733b39a JK |
862 | void |
863 | free_mgmt_sgl_handle(struct beiscsi_hba *phba, struct sgl_handle *psgl_handle); | |
864 | ||
4a4a11b9 JK |
865 | void beiscsi_free_mgmt_task_handles(struct beiscsi_conn *beiscsi_conn, |
866 | struct iscsi_task *task); | |
756d29c8 | 867 | |
e08b3c8b JK |
868 | void hwi_ring_cq_db(struct beiscsi_hba *phba, |
869 | unsigned int id, unsigned int num_processed, | |
1094cf68 | 870 | unsigned char rearm); |
b7ab35b1 | 871 | |
1094cf68 | 872 | unsigned int beiscsi_process_cq(struct be_eq_obj *pbe_eq, int budget); |
2e4e8f65 | 873 | void beiscsi_process_mcc_cq(struct beiscsi_hba *phba); |
b7ab35b1 | 874 | |
6733b39a JK |
875 | struct pdu_nop_out { |
876 | u32 dw[12]; | |
877 | }; | |
878 | ||
879 | /** | |
880 | * Pseudo amap definition in which each bit of the actual structure is defined | |
881 | * as a byte: used to calculate offset/shift/mask of each field | |
882 | */ | |
883 | struct amap_pdu_nop_out { | |
884 | u8 opcode[6]; /* opcode 0x00 */ | |
885 | u8 i_bit; /* I Bit */ | |
886 | u8 x_bit; /* reserved; should be 0 */ | |
887 | u8 fp_bit_filler1[7]; | |
888 | u8 f_bit; /* always 1 */ | |
889 | u8 reserved1[16]; | |
890 | u8 ahs_length[8]; /* no AHS */ | |
891 | u8 data_len_hi[8]; | |
892 | u8 data_len_lo[16]; /* DataSegmentLength */ | |
893 | u8 lun[64]; | |
894 | u8 itt[32]; /* initiator id for ping or 0xffffffff */ | |
895 | u8 ttt[32]; /* target id for ping or 0xffffffff */ | |
896 | u8 cmd_sn[32]; | |
897 | u8 exp_stat_sn[32]; | |
898 | u8 reserved5[128]; | |
899 | }; | |
900 | ||
901 | #define PDUBASE_OPCODE_MASK 0x0000003F | |
902 | #define PDUBASE_DATALENHI_MASK 0x0000FF00 | |
903 | #define PDUBASE_DATALENLO_MASK 0xFFFF0000 | |
904 | ||
905 | struct pdu_base { | |
906 | u32 dw[16]; | |
907 | } __packed; | |
908 | ||
909 | /** | |
910 | * Pseudo amap definition in which each bit of the actual structure is defined | |
911 | * as a byte: used to calculate offset/shift/mask of each field | |
912 | */ | |
913 | struct amap_pdu_base { | |
914 | u8 opcode[6]; | |
915 | u8 i_bit; /* immediate bit */ | |
916 | u8 x_bit; /* reserved, always 0 */ | |
917 | u8 reserved1[24]; /* opcode-specific fields */ | |
918 | u8 ahs_length[8]; /* length units is 4 byte words */ | |
919 | u8 data_len_hi[8]; | |
920 | u8 data_len_lo[16]; /* DatasegmentLength */ | |
921 | u8 lun[64]; /* lun or opcode-specific fields */ | |
922 | u8 itt[32]; /* initiator task tag */ | |
923 | u8 reserved4[224]; | |
924 | }; | |
925 | ||
926 | struct iscsi_target_context_update_wrb { | |
927 | u32 dw[16]; | |
928 | } __packed; | |
929 | ||
930 | /** | |
931 | * Pseudo amap definition in which each bit of the actual structure is defined | |
932 | * as a byte: used to calculate offset/shift/mask of each field | |
933 | */ | |
acb9693c | 934 | #define BE_TGT_CTX_UPDT_CMD 0x07 |
6733b39a JK |
935 | struct amap_iscsi_target_context_update_wrb { |
936 | u8 lun[14]; /* DWORD 0 */ | |
937 | u8 lt; /* DWORD 0 */ | |
938 | u8 invld; /* DWORD 0 */ | |
939 | u8 wrb_idx[8]; /* DWORD 0 */ | |
940 | u8 dsp; /* DWORD 0 */ | |
941 | u8 dmsg; /* DWORD 0 */ | |
942 | u8 undr_run; /* DWORD 0 */ | |
943 | u8 over_run; /* DWORD 0 */ | |
944 | u8 type[4]; /* DWORD 0 */ | |
945 | u8 ptr2nextwrb[8]; /* DWORD 1 */ | |
946 | u8 max_burst_length[19]; /* DWORD 1 */ | |
947 | u8 rsvd0[5]; /* DWORD 1 */ | |
948 | u8 rsvd1[15]; /* DWORD 2 */ | |
949 | u8 max_send_data_segment_length[17]; /* DWORD 2 */ | |
950 | u8 first_burst_length[14]; /* DWORD 3 */ | |
951 | u8 rsvd2[2]; /* DWORD 3 */ | |
952 | u8 tx_wrbindex_drv_msg[8]; /* DWORD 3 */ | |
953 | u8 rsvd3[5]; /* DWORD 3 */ | |
954 | u8 session_state[3]; /* DWORD 3 */ | |
955 | u8 rsvd4[16]; /* DWORD 4 */ | |
956 | u8 tx_jumbo; /* DWORD 4 */ | |
957 | u8 hde; /* DWORD 4 */ | |
958 | u8 dde; /* DWORD 4 */ | |
959 | u8 erl[2]; /* DWORD 4 */ | |
960 | u8 domain_id[5]; /* DWORD 4 */ | |
961 | u8 mode; /* DWORD 4 */ | |
962 | u8 imd; /* DWORD 4 */ | |
963 | u8 ir2t; /* DWORD 4 */ | |
964 | u8 notpredblq[2]; /* DWORD 4 */ | |
965 | u8 compltonack; /* DWORD 4 */ | |
966 | u8 stat_sn[32]; /* DWORD 5 */ | |
967 | u8 pad_buffer_addr_hi[32]; /* DWORD 6 */ | |
968 | u8 pad_buffer_addr_lo[32]; /* DWORD 7 */ | |
969 | u8 pad_addr_hi[32]; /* DWORD 8 */ | |
970 | u8 pad_addr_lo[32]; /* DWORD 9 */ | |
971 | u8 rsvd5[32]; /* DWORD 10 */ | |
972 | u8 rsvd6[32]; /* DWORD 11 */ | |
973 | u8 rsvd7[32]; /* DWORD 12 */ | |
974 | u8 rsvd8[32]; /* DWORD 13 */ | |
975 | u8 rsvd9[32]; /* DWORD 14 */ | |
976 | u8 rsvd10[32]; /* DWORD 15 */ | |
977 | ||
978 | } __packed; | |
979 | ||
acb9693c JSJ |
980 | #define BEISCSI_MAX_RECV_DATASEG_LEN (64 * 1024) |
981 | #define BEISCSI_MAX_CXNS 1 | |
982 | struct amap_iscsi_target_context_update_wrb_v2 { | |
983 | u8 max_burst_length[24]; /* DWORD 0 */ | |
984 | u8 rsvd0[3]; /* DWORD 0 */ | |
985 | u8 type[5]; /* DWORD 0 */ | |
986 | u8 ptr2nextwrb[8]; /* DWORD 1 */ | |
987 | u8 wrb_idx[8]; /* DWORD 1 */ | |
988 | u8 rsvd1[16]; /* DWORD 1 */ | |
989 | u8 max_send_data_segment_length[24]; /* DWORD 2 */ | |
990 | u8 rsvd2[8]; /* DWORD 2 */ | |
991 | u8 first_burst_length[24]; /* DWORD 3 */ | |
992 | u8 rsvd3[8]; /* DOWRD 3 */ | |
993 | u8 max_r2t[16]; /* DWORD 4 */ | |
7331613e | 994 | u8 rsvd4; /* DWORD 4 */ |
acb9693c JSJ |
995 | u8 hde; /* DWORD 4 */ |
996 | u8 dde; /* DWORD 4 */ | |
997 | u8 erl[2]; /* DWORD 4 */ | |
7331613e | 998 | u8 rsvd5[6]; /* DWORD 4 */ |
acb9693c JSJ |
999 | u8 imd; /* DWORD 4 */ |
1000 | u8 ir2t; /* DWORD 4 */ | |
7331613e | 1001 | u8 rsvd6[3]; /* DWORD 4 */ |
acb9693c | 1002 | u8 stat_sn[32]; /* DWORD 5 */ |
7331613e JK |
1003 | u8 rsvd7[32]; /* DWORD 6 */ |
1004 | u8 rsvd8[32]; /* DWORD 7 */ | |
acb9693c | 1005 | u8 max_recv_dataseg_len[24]; /* DWORD 8 */ |
7331613e JK |
1006 | u8 rsvd9[8]; /* DWORD 8 */ |
1007 | u8 rsvd10[32]; /* DWORD 9 */ | |
1008 | u8 rsvd11[32]; /* DWORD 10 */ | |
acb9693c | 1009 | u8 max_cxns[16]; /* DWORD 11 */ |
7331613e | 1010 | u8 rsvd12[11]; /* DWORD 11*/ |
acb9693c | 1011 | u8 invld; /* DWORD 11 */ |
7331613e | 1012 | u8 rsvd13;/* DWORD 11*/ |
acb9693c JSJ |
1013 | u8 dmsg; /* DWORD 11 */ |
1014 | u8 data_seq_inorder; /* DWORD 11 */ | |
1015 | u8 pdu_seq_inorder; /* DWORD 11 */ | |
7331613e JK |
1016 | u8 rsvd14[32]; /*DWORD 12 */ |
1017 | u8 rsvd15[32]; /* DWORD 13 */ | |
1018 | u8 rsvd16[32]; /* DWORD 14 */ | |
1019 | u8 rsvd17[32]; /* DWORD 15 */ | |
acb9693c JSJ |
1020 | } __packed; |
1021 | ||
1022 | ||
6733b39a JK |
1023 | struct be_ring { |
1024 | u32 pages; /* queue size in pages */ | |
1025 | u32 id; /* queue id assigned by beklib */ | |
1026 | u32 num; /* number of elements in queue */ | |
1027 | u32 cidx; /* consumer index */ | |
1028 | u32 pidx; /* producer index -- not used by most rings */ | |
1029 | u32 item_size; /* size in bytes of one object */ | |
8a86e833 JK |
1030 | u8 ulp_num; /* ULP to which CID binded */ |
1031 | u16 register_set; | |
1032 | u16 doorbell_format; | |
1033 | u32 doorbell_offset; | |
6733b39a JK |
1034 | |
1035 | void *va; /* The virtual address of the ring. This | |
1036 | * should be last to allow 32 & 64 bit debugger | |
1037 | * extensions to work. | |
1038 | */ | |
1039 | }; | |
1040 | ||
6733b39a JK |
1041 | struct hwi_controller { |
1042 | struct list_head io_sgl_list; | |
1043 | struct list_head eh_sgl_list; | |
1044 | struct sgl_handle *psgl_handle_base; | |
1045 | unsigned int wrb_mem_index; | |
1046 | ||
a7909b39 | 1047 | struct hwi_wrb_context *wrb_context; |
6733b39a | 1048 | struct mcc_wrb *pmcc_wrb_base; |
8a86e833 JK |
1049 | struct be_ring default_pdu_hdr[BEISCSI_ULP_COUNT]; |
1050 | struct be_ring default_pdu_data[BEISCSI_ULP_COUNT]; | |
6733b39a | 1051 | struct hwi_context_memory *phwi_ctxt; |
6733b39a JK |
1052 | }; |
1053 | ||
1054 | enum hwh_type_enum { | |
1055 | HWH_TYPE_IO = 1, | |
1056 | HWH_TYPE_LOGOUT = 2, | |
1057 | HWH_TYPE_TMF = 3, | |
1058 | HWH_TYPE_NOP = 4, | |
1059 | HWH_TYPE_IO_RD = 5, | |
1060 | HWH_TYPE_LOGIN = 11, | |
1061 | HWH_TYPE_INVALID = 0xFFFFFFFF | |
1062 | }; | |
1063 | ||
1064 | struct wrb_handle { | |
1065 | enum hwh_type_enum type; | |
1066 | unsigned short wrb_index; | |
6733b39a JK |
1067 | |
1068 | struct iscsi_task *pio_handle; | |
1069 | struct iscsi_wrb *pwrb; | |
1070 | }; | |
1071 | ||
1072 | struct hwi_context_memory { | |
bfead3b2 JK |
1073 | /* Adaptive interrupt coalescing (AIC) info */ |
1074 | u16 min_eqd; /* in usecs */ | |
1075 | u16 max_eqd; /* in usecs */ | |
1076 | u16 cur_eqd; /* in usecs */ | |
1077 | struct be_eq_obj be_eq[MAX_CPUS]; | |
22abeef0 | 1078 | struct be_queue_info be_cq[MAX_CPUS - 1]; |
6733b39a | 1079 | |
a7909b39 | 1080 | struct be_queue_info *be_wrbq; |
938f372c JB |
1081 | /** |
1082 | * Create array of ULP number for below entries as DEFQ | |
1083 | * will be created for both ULP if iSCSI Protocol is | |
1084 | * loaded on both ULP. | |
1085 | */ | |
8a86e833 JK |
1086 | struct be_queue_info be_def_hdrq[BEISCSI_ULP_COUNT]; |
1087 | struct be_queue_info be_def_dataq[BEISCSI_ULP_COUNT]; | |
938f372c | 1088 | struct hd_async_context *pasync_ctx[BEISCSI_ULP_COUNT]; |
6733b39a JK |
1089 | }; |
1090 | ||
50a4b824 JB |
1091 | void beiscsi_start_boot_work(struct beiscsi_hba *phba, unsigned int s_handle); |
1092 | ||
99bc5d55 JSJ |
1093 | /* Logging related definitions */ |
1094 | #define BEISCSI_LOG_INIT 0x0001 /* Initialization events */ | |
1095 | #define BEISCSI_LOG_MBOX 0x0002 /* Mailbox Events */ | |
1096 | #define BEISCSI_LOG_MISC 0x0004 /* Miscllaneous Events */ | |
1097 | #define BEISCSI_LOG_EH 0x0008 /* Error Handler */ | |
1098 | #define BEISCSI_LOG_IO 0x0010 /* IO Code Path */ | |
1099 | #define BEISCSI_LOG_CONFIG 0x0020 /* CONFIG Code Path */ | |
afb96058 | 1100 | #define BEISCSI_LOG_ISCSI 0x0040 /* SCSI/iSCSI Protocol related Logs */ |
99bc5d55 | 1101 | |
53aefe25 JB |
1102 | #define __beiscsi_log(phba, level, fmt, arg...) \ |
1103 | shost_printk(level, phba->shost, fmt, __LINE__, ##arg) | |
1104 | ||
99bc5d55 JSJ |
1105 | #define beiscsi_log(phba, level, mask, fmt, arg...) \ |
1106 | do { \ | |
1107 | uint32_t log_value = phba->attr_log_enable; \ | |
1108 | if (((mask) & log_value) || (level[1] <= '3')) \ | |
53aefe25 JB |
1109 | __beiscsi_log(phba, level, fmt, ##arg); \ |
1110 | } while (0); | |
99bc5d55 | 1111 | |
6733b39a | 1112 | #endif |