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-rw-r--r--drivers/scsi/arcmsr/arcmsr.h192
-rw-r--r--drivers/scsi/arcmsr/arcmsr_attr.c64
-rw-r--r--drivers/scsi/arcmsr/arcmsr_hba.c2249
3 files changed, 1527 insertions, 978 deletions
diff --git a/drivers/scsi/arcmsr/arcmsr.h b/drivers/scsi/arcmsr/arcmsr.h
index f0b8bf4534f0..ace7a15b413e 100644
--- a/drivers/scsi/arcmsr/arcmsr.h
+++ b/drivers/scsi/arcmsr/arcmsr.h
@@ -9,7 +9,7 @@
9** Copyright (C) 2002 - 2005, Areca Technology Corporation All rights reserved. 9** Copyright (C) 2002 - 2005, Areca Technology Corporation All rights reserved.
10** 10**
11** Web site: www.areca.com.tw 11** Web site: www.areca.com.tw
12** E-mail: erich@areca.com.tw 12** E-mail: support@areca.com.tw
13** 13**
14** This program is free software; you can redistribute it and/or modify 14** This program is free software; you can redistribute it and/or modify
15** it under the terms of the GNU General Public License version 2 as 15** it under the terms of the GNU General Public License version 2 as
@@ -45,19 +45,26 @@
45#include <linux/interrupt.h> 45#include <linux/interrupt.h>
46 46
47struct class_device_attribute; 47struct class_device_attribute;
48 48/*The limit of outstanding scsi command that firmware can handle*/
49#define ARCMSR_MAX_OUTSTANDING_CMD 256 49#define ARCMSR_MAX_OUTSTANDING_CMD 256
50#define ARCMSR_MAX_FREECCB_NUM 288 50#define ARCMSR_MAX_FREECCB_NUM 320
51#define ARCMSR_DRIVER_VERSION "Driver Version 1.20.00.14" 51#define ARCMSR_DRIVER_VERSION "Driver Version 1.20.00.15 2007/08/30"
52#define ARCMSR_SCSI_INITIATOR_ID 255 52#define ARCMSR_SCSI_INITIATOR_ID 255
53#define ARCMSR_MAX_XFER_SECTORS 512 53#define ARCMSR_MAX_XFER_SECTORS 512
54#define ARCMSR_MAX_XFER_SECTORS_B 4096 54#define ARCMSR_MAX_XFER_SECTORS_B 4096
55#define ARCMSR_MAX_TARGETID 17 55#define ARCMSR_MAX_TARGETID 17
56#define ARCMSR_MAX_TARGETLUN 8 56#define ARCMSR_MAX_TARGETLUN 8
57#define ARCMSR_MAX_CMD_PERLUN ARCMSR_MAX_OUTSTANDING_CMD 57#define ARCMSR_MAX_CMD_PERLUN ARCMSR_MAX_OUTSTANDING_CMD
58#define ARCMSR_MAX_QBUFFER 4096 58#define ARCMSR_MAX_QBUFFER 4096
59#define ARCMSR_MAX_SG_ENTRIES 38 59#define ARCMSR_MAX_SG_ENTRIES 38
60 60#define ARCMSR_MAX_HBB_POSTQUEUE 264
61/*
62**********************************************************************************
63**
64**********************************************************************************
65*/
66#define ARC_SUCCESS 0
67#define ARC_FAILURE 1
61/* 68/*
62******************************************************************************* 69*******************************************************************************
63** split 64bits dma addressing 70** split 64bits dma addressing
@@ -90,7 +97,7 @@ struct CMD_MESSAGE_FIELD
90 uint8_t messagedatabuffer[1032]; 97 uint8_t messagedatabuffer[1032];
91}; 98};
92/* IOP message transfer */ 99/* IOP message transfer */
93#define ARCMSR_MESSAGE_FAIL 0x0001 100#define ARCMSR_MESSAGE_FAIL 0x0001
94/* DeviceType */ 101/* DeviceType */
95#define ARECA_SATA_RAID 0x90000000 102#define ARECA_SATA_RAID 0x90000000
96/* FunctionCode */ 103/* FunctionCode */
@@ -163,27 +170,27 @@ struct QBUFFER
163}; 170};
164/* 171/*
165******************************************************************************* 172*******************************************************************************
166** FIRMWARE INFO 173** FIRMWARE INFO for Intel IOP R 80331 processor (Type A)
167******************************************************************************* 174*******************************************************************************
168*/ 175*/
169struct FIRMWARE_INFO 176struct FIRMWARE_INFO
170{ 177{
171 uint32_t signature; /*0, 00-03*/ 178 uint32_t signature; /*0, 00-03*/
172 uint32_t request_len; /*1, 04-07*/ 179 uint32_t request_len; /*1, 04-07*/
173 uint32_t numbers_queue; /*2, 08-11*/ 180 uint32_t numbers_queue; /*2, 08-11*/
174 uint32_t sdram_size; /*3, 12-15*/ 181 uint32_t sdram_size; /*3, 12-15*/
175 uint32_t ide_channels; /*4, 16-19*/ 182 uint32_t ide_channels; /*4, 16-19*/
176 char vendor[40]; /*5, 20-59*/ 183 char vendor[40]; /*5, 20-59*/
177 char model[8]; /*15, 60-67*/ 184 char model[8]; /*15, 60-67*/
178 char firmware_ver[16]; /*17, 68-83*/ 185 char firmware_ver[16]; /*17, 68-83*/
179 char device_map[16]; /*21, 84-99*/ 186 char device_map[16]; /*21, 84-99*/
180}; 187};
181/* signature of set and get firmware config */ 188/* signature of set and get firmware config */
182#define ARCMSR_SIGNATURE_GET_CONFIG 0x87974060 189#define ARCMSR_SIGNATURE_GET_CONFIG 0x87974060
183#define ARCMSR_SIGNATURE_SET_CONFIG 0x87974063 190#define ARCMSR_SIGNATURE_SET_CONFIG 0x87974063
184/* message code of inbound message register */ 191/* message code of inbound message register */
185#define ARCMSR_INBOUND_MESG0_NOP 0x00000000 192#define ARCMSR_INBOUND_MESG0_NOP 0x00000000
186#define ARCMSR_INBOUND_MESG0_GET_CONFIG 0x00000001 193#define ARCMSR_INBOUND_MESG0_GET_CONFIG 0x00000001
187#define ARCMSR_INBOUND_MESG0_SET_CONFIG 0x00000002 194#define ARCMSR_INBOUND_MESG0_SET_CONFIG 0x00000002
188#define ARCMSR_INBOUND_MESG0_ABORT_CMD 0x00000003 195#define ARCMSR_INBOUND_MESG0_ABORT_CMD 0x00000003
189#define ARCMSR_INBOUND_MESG0_STOP_BGRB 0x00000004 196#define ARCMSR_INBOUND_MESG0_STOP_BGRB 0x00000004
@@ -203,6 +210,60 @@ struct FIRMWARE_INFO
203#define ARCMSR_CCBREPLY_FLAG_ERROR 0x10000000 210#define ARCMSR_CCBREPLY_FLAG_ERROR 0x10000000
204/* outbound firmware ok */ 211/* outbound firmware ok */
205#define ARCMSR_OUTBOUND_MESG1_FIRMWARE_OK 0x80000000 212#define ARCMSR_OUTBOUND_MESG1_FIRMWARE_OK 0x80000000
213
214/*
215************************************************************************
216** SPEC. for Areca Type B adapter
217************************************************************************
218*/
219/* ARECA HBB COMMAND for its FIRMWARE */
220/* window of "instruction flags" from driver to iop */
221#define ARCMSR_DRV2IOP_DOORBELL 0x00020400
222#define ARCMSR_DRV2IOP_DOORBELL_MASK 0x00020404
223/* window of "instruction flags" from iop to driver */
224#define ARCMSR_IOP2DRV_DOORBELL 0x00020408
225#define ARCMSR_IOP2DRV_DOORBELL_MASK 0x0002040C
226/* ARECA FLAG LANGUAGE */
227/* ioctl transfer */
228#define ARCMSR_IOP2DRV_DATA_WRITE_OK 0x00000001
229/* ioctl transfer */
230#define ARCMSR_IOP2DRV_DATA_READ_OK 0x00000002
231#define ARCMSR_IOP2DRV_CDB_DONE 0x00000004
232#define ARCMSR_IOP2DRV_MESSAGE_CMD_DONE 0x00000008
233
234#define ARCMSR_DOORBELL_HANDLE_INT 0x0000000F
235#define ARCMSR_DOORBELL_INT_CLEAR_PATTERN 0xFF00FFF0
236#define ARCMSR_MESSAGE_INT_CLEAR_PATTERN 0xFF00FFF7
237/* (ARCMSR_INBOUND_MESG0_GET_CONFIG<<16)|ARCMSR_DRV2IOP_MESSAGE_CMD_POSTED) */
238#define ARCMSR_MESSAGE_GET_CONFIG 0x00010008
239/* (ARCMSR_INBOUND_MESG0_SET_CONFIG<<16)|ARCMSR_DRV2IOP_MESSAGE_CMD_POSTED) */
240#define ARCMSR_MESSAGE_SET_CONFIG 0x00020008
241/* (ARCMSR_INBOUND_MESG0_ABORT_CMD<<16)|ARCMSR_DRV2IOP_MESSAGE_CMD_POSTED) */
242#define ARCMSR_MESSAGE_ABORT_CMD 0x00030008
243/* (ARCMSR_INBOUND_MESG0_STOP_BGRB<<16)|ARCMSR_DRV2IOP_MESSAGE_CMD_POSTED) */
244#define ARCMSR_MESSAGE_STOP_BGRB 0x00040008
245/* (ARCMSR_INBOUND_MESG0_FLUSH_CACHE<<16)|ARCMSR_DRV2IOP_MESSAGE_CMD_POSTED) */
246#define ARCMSR_MESSAGE_FLUSH_CACHE 0x00050008
247/* (ARCMSR_INBOUND_MESG0_START_BGRB<<16)|ARCMSR_DRV2IOP_MESSAGE_CMD_POSTED) */
248#define ARCMSR_MESSAGE_START_BGRB 0x00060008
249#define ARCMSR_MESSAGE_START_DRIVER_MODE 0x000E0008
250#define ARCMSR_MESSAGE_SET_POST_WINDOW 0x000F0008
251/* ARCMSR_OUTBOUND_MESG1_FIRMWARE_OK */
252#define ARCMSR_MESSAGE_FIRMWARE_OK 0x80000000
253/* ioctl transfer */
254#define ARCMSR_DRV2IOP_DATA_WRITE_OK 0x00000001
255/* ioctl transfer */
256#define ARCMSR_DRV2IOP_DATA_READ_OK 0x00000002
257#define ARCMSR_DRV2IOP_CDB_POSTED 0x00000004
258#define ARCMSR_DRV2IOP_MESSAGE_CMD_POSTED 0x00000008
259
260/* data tunnel buffer between user space program and its firmware */
261/* user space data to iop 128bytes */
262#define ARCMSR_IOCTL_WBUFFER 0x0000fe00
263/* iop data to user space 128bytes */
264#define ARCMSR_IOCTL_RBUFFER 0x0000ff00
265/* iop message_rwbuffer for message command */
266#define ARCMSR_MSGCODE_RWBUFFER 0x0000fa00
206/* 267/*
207******************************************************************************* 268*******************************************************************************
208** ARECA SCSI COMMAND DESCRIPTOR BLOCK size 0x1F8 (504) 269** ARECA SCSI COMMAND DESCRIPTOR BLOCK size 0x1F8 (504)
@@ -214,7 +275,6 @@ struct ARCMSR_CDB
214 uint8_t TargetID; 275 uint8_t TargetID;
215 uint8_t LUN; 276 uint8_t LUN;
216 uint8_t Function; 277 uint8_t Function;
217
218 uint8_t CdbLength; 278 uint8_t CdbLength;
219 uint8_t sgcount; 279 uint8_t sgcount;
220 uint8_t Flags; 280 uint8_t Flags;
@@ -224,20 +284,18 @@ struct ARCMSR_CDB
224#define ARCMSR_CDB_FLAG_SIMPLEQ 0x00 284#define ARCMSR_CDB_FLAG_SIMPLEQ 0x00
225#define ARCMSR_CDB_FLAG_HEADQ 0x08 285#define ARCMSR_CDB_FLAG_HEADQ 0x08
226#define ARCMSR_CDB_FLAG_ORDEREDQ 0x10 286#define ARCMSR_CDB_FLAG_ORDEREDQ 0x10
227 uint8_t Reserved1;
228 287
288 uint8_t Reserved1;
229 uint32_t Context; 289 uint32_t Context;
230 uint32_t DataLength; 290 uint32_t DataLength;
231
232 uint8_t Cdb[16]; 291 uint8_t Cdb[16];
233
234 uint8_t DeviceStatus; 292 uint8_t DeviceStatus;
235#define ARCMSR_DEV_CHECK_CONDITION 0x02 293#define ARCMSR_DEV_CHECK_CONDITION 0x02
236#define ARCMSR_DEV_SELECT_TIMEOUT 0xF0 294#define ARCMSR_DEV_SELECT_TIMEOUT 0xF0
237#define ARCMSR_DEV_ABORTED 0xF1 295#define ARCMSR_DEV_ABORTED 0xF1
238#define ARCMSR_DEV_INIT_FAIL 0xF2 296#define ARCMSR_DEV_INIT_FAIL 0xF2
239 uint8_t SenseData[15];
240 297
298 uint8_t SenseData[15];
241 union 299 union
242 { 300 {
243 struct SG32ENTRY sg32entry[ARCMSR_MAX_SG_ENTRIES]; 301 struct SG32ENTRY sg32entry[ARCMSR_MAX_SG_ENTRIES];
@@ -246,10 +304,10 @@ struct ARCMSR_CDB
246}; 304};
247/* 305/*
248******************************************************************************* 306*******************************************************************************
249** Messaging Unit (MU) of the Intel R 80331 I/O processor (80331) 307** Messaging Unit (MU) of the Intel R 80331 I/O processor(Type A) and Type B processor
250******************************************************************************* 308*******************************************************************************
251*/ 309*/
252struct MessageUnit 310struct MessageUnit_A
253{ 311{
254 uint32_t resrved0[4]; /*0000 000F*/ 312 uint32_t resrved0[4]; /*0000 000F*/
255 uint32_t inbound_msgaddr0; /*0010 0013*/ 313 uint32_t inbound_msgaddr0; /*0010 0013*/
@@ -274,6 +332,30 @@ struct MessageUnit
274 uint32_t message_rbuffer[32]; /*0F00 0F7F 32*/ 332 uint32_t message_rbuffer[32]; /*0F00 0F7F 32*/
275 uint32_t reserved6[32]; /*0F80 0FFF 32*/ 333 uint32_t reserved6[32]; /*0F80 0FFF 32*/
276}; 334};
335
336struct MessageUnit_B
337{
338 uint32_t post_qbuffer[ARCMSR_MAX_HBB_POSTQUEUE];
339 uint32_t done_qbuffer[ARCMSR_MAX_HBB_POSTQUEUE];
340 uint32_t postq_index;
341 uint32_t doneq_index;
342 uint32_t *drv2iop_doorbell_reg;
343 uint32_t *drv2iop_doorbell_mask_reg;
344 uint32_t *iop2drv_doorbell_reg;
345 uint32_t *iop2drv_doorbell_mask_reg;
346 uint32_t *msgcode_rwbuffer_reg;
347 uint32_t *ioctl_wbuffer_reg;
348 uint32_t *ioctl_rbuffer_reg;
349};
350
351struct MessageUnit
352{
353 union
354 {
355 struct MessageUnit_A pmu_A;
356 struct MessageUnit_B pmu_B;
357 } u;
358};
277/* 359/*
278******************************************************************************* 360*******************************************************************************
279** Adapter Control Block 361** Adapter Control Block
@@ -281,37 +363,45 @@ struct MessageUnit
281*/ 363*/
282struct AdapterControlBlock 364struct AdapterControlBlock
283{ 365{
366 uint32_t adapter_type; /* adapter A,B..... */
367 #define ACB_ADAPTER_TYPE_A 0x00000001 /* hba I IOP */
368 #define ACB_ADAPTER_TYPE_B 0x00000002 /* hbb M IOP */
369 #define ACB_ADAPTER_TYPE_C 0x00000004 /* hbc P IOP */
370 #define ACB_ADAPTER_TYPE_D 0x00000008 /* hbd A IOP */
284 struct pci_dev * pdev; 371 struct pci_dev * pdev;
285 struct Scsi_Host * host; 372 struct Scsi_Host * host;
286 unsigned long vir2phy_offset; 373 unsigned long vir2phy_offset;
287 /* Offset is used in making arc cdb physical to virtual calculations */ 374 /* Offset is used in making arc cdb physical to virtual calculations */
288 uint32_t outbound_int_enable; 375 uint32_t outbound_int_enable;
289 376
290 struct MessageUnit __iomem * pmu; 377 struct MessageUnit * pmu;
291 /* message unit ATU inbound base address0 */ 378 /* message unit ATU inbound base address0 */
292 379
293 uint32_t acb_flags; 380 uint32_t acb_flags;
294#define ACB_F_SCSISTOPADAPTER 0x0001 381 #define ACB_F_SCSISTOPADAPTER 0x0001
295#define ACB_F_MSG_STOP_BGRB 0x0002 382 #define ACB_F_MSG_STOP_BGRB 0x0002
296 /* stop RAID background rebuild */ 383 /* stop RAID background rebuild */
297#define ACB_F_MSG_START_BGRB 0x0004 384 #define ACB_F_MSG_START_BGRB 0x0004
298 /* stop RAID background rebuild */ 385 /* stop RAID background rebuild */
299#define ACB_F_IOPDATA_OVERFLOW 0x0008 386 #define ACB_F_IOPDATA_OVERFLOW 0x0008
300 /* iop message data rqbuffer overflow */ 387 /* iop message data rqbuffer overflow */
301#define ACB_F_MESSAGE_WQBUFFER_CLEARED 0x0010 388 #define ACB_F_MESSAGE_WQBUFFER_CLEARED 0x0010
302 /* message clear wqbuffer */ 389 /* message clear wqbuffer */
303#define ACB_F_MESSAGE_RQBUFFER_CLEARED 0x0020 390 #define ACB_F_MESSAGE_RQBUFFER_CLEARED 0x0020
304 /* message clear rqbuffer */ 391 /* message clear rqbuffer */
305#define ACB_F_MESSAGE_WQBUFFER_READED 0x0040 392 #define ACB_F_MESSAGE_WQBUFFER_READED 0x0040
306#define ACB_F_BUS_RESET 0x0080 393 #define ACB_F_BUS_RESET 0x0080
307#define ACB_F_IOP_INITED 0x0100 394 #define ACB_F_IOP_INITED 0x0100
308 /* iop init */ 395 /* iop init */
309 396
310 struct CommandControlBlock * pccb_pool[ARCMSR_MAX_FREECCB_NUM]; 397 struct CommandControlBlock * pccb_pool[ARCMSR_MAX_FREECCB_NUM];
311 /* used for memory free */ 398 /* used for memory free */
312 struct list_head ccb_free_list; 399 struct list_head ccb_free_list;
313 /* head of free ccb list */ 400 /* head of free ccb list */
401
314 atomic_t ccboutstandingcount; 402 atomic_t ccboutstandingcount;
403 /*The present outstanding command number that in the IOP that
404 waiting for being handled by FW*/
315 405
316 void * dma_coherent; 406 void * dma_coherent;
317 /* dma_coherent used for memory free */ 407 /* dma_coherent used for memory free */
@@ -353,7 +443,7 @@ struct CommandControlBlock
353{ 443{
354 struct ARCMSR_CDB arcmsr_cdb; 444 struct ARCMSR_CDB arcmsr_cdb;
355 /* 445 /*
356 ** 0-503 (size of CDB=504): 446 ** 0-503 (size of CDB = 504):
357 ** arcmsr messenger scsi command descriptor size 504 bytes 447 ** arcmsr messenger scsi command descriptor size 504 bytes
358 */ 448 */
359 uint32_t cdb_shifted_phyaddr; 449 uint32_t cdb_shifted_phyaddr;
@@ -466,7 +556,9 @@ struct SENSE_DATA
466#define ARCMSR_MU_OUTBOUND_MESSAGE0_INTMASKENABLE 0x01 556#define ARCMSR_MU_OUTBOUND_MESSAGE0_INTMASKENABLE 0x01
467#define ARCMSR_MU_OUTBOUND_ALL_INTMASKENABLE 0x1F 557#define ARCMSR_MU_OUTBOUND_ALL_INTMASKENABLE 0x1F
468 558
469extern void arcmsr_post_Qbuffer(struct AdapterControlBlock *acb); 559extern void arcmsr_post_ioctldata2iop(struct AdapterControlBlock *);
560extern void arcmsr_iop_message_read(struct AdapterControlBlock *);
561extern struct QBUFFER *arcmsr_get_iop_rqbuffer(struct AdapterControlBlock *);
470extern struct class_device_attribute *arcmsr_host_attrs[]; 562extern struct class_device_attribute *arcmsr_host_attrs[];
471extern int arcmsr_alloc_sysfs_attr(struct AdapterControlBlock *acb); 563extern int arcmsr_alloc_sysfs_attr(struct AdapterControlBlock *);
472void arcmsr_free_sysfs_attr(struct AdapterControlBlock *acb); 564void arcmsr_free_sysfs_attr(struct AdapterControlBlock *acb);
diff --git a/drivers/scsi/arcmsr/arcmsr_attr.c b/drivers/scsi/arcmsr/arcmsr_attr.c
index 06c0dce3b839..0f0a1ae99434 100644
--- a/drivers/scsi/arcmsr/arcmsr_attr.c
+++ b/drivers/scsi/arcmsr/arcmsr_attr.c
@@ -8,7 +8,7 @@
8** Copyright (C) 2002 - 2005, Areca Technology Corporation All rights reserved 8** Copyright (C) 2002 - 2005, Areca Technology Corporation All rights reserved
9** 9**
10** Web site: www.areca.com.tw 10** Web site: www.areca.com.tw
11** E-mail: erich@areca.com.tw 11** E-mail: support@areca.com.tw
12** 12**
13** This program is free software; you can redistribute it and/or modify 13** This program is free software; you can redistribute it and/or modify
14** it under the terms of the GNU General Public License version 2 as 14** it under the terms of the GNU General Public License version 2 as
@@ -49,6 +49,7 @@
49#include <linux/init.h> 49#include <linux/init.h>
50#include <linux/errno.h> 50#include <linux/errno.h>
51#include <linux/delay.h> 51#include <linux/delay.h>
52#include <linux/pci.h>
52 53
53#include <scsi/scsi_cmnd.h> 54#include <scsi/scsi_cmnd.h>
54#include <scsi/scsi_device.h> 55#include <scsi/scsi_device.h>
@@ -58,15 +59,11 @@
58 59
59struct class_device_attribute *arcmsr_host_attrs[]; 60struct class_device_attribute *arcmsr_host_attrs[];
60 61
61static ssize_t 62static ssize_t arcmsr_sysfs_iop_message_read(struct kobject *kobj, char *buf, loff_t off, size_t count)
62arcmsr_sysfs_iop_message_read(struct kobject *kobj,
63 struct bin_attribute *bin_attr,
64 char *buf, loff_t off, size_t count)
65{ 63{
66 struct class_device *cdev = container_of(kobj,struct class_device,kobj); 64 struct class_device *cdev = container_of(kobj,struct class_device,kobj);
67 struct Scsi_Host *host = class_to_shost(cdev); 65 struct Scsi_Host *host = class_to_shost(cdev);
68 struct AdapterControlBlock *acb = (struct AdapterControlBlock *) host->hostdata; 66 struct AdapterControlBlock *acb = (struct AdapterControlBlock *) host->hostdata;
69 struct MessageUnit __iomem *reg = acb->pmu;
70 uint8_t *pQbuffer,*ptmpQbuffer; 67 uint8_t *pQbuffer,*ptmpQbuffer;
71 int32_t allxfer_len = 0; 68 int32_t allxfer_len = 0;
72 69
@@ -85,12 +82,13 @@ arcmsr_sysfs_iop_message_read(struct kobject *kobj,
85 allxfer_len++; 82 allxfer_len++;
86 } 83 }
87 if (acb->acb_flags & ACB_F_IOPDATA_OVERFLOW) { 84 if (acb->acb_flags & ACB_F_IOPDATA_OVERFLOW) {
88 struct QBUFFER __iomem * prbuffer = (struct QBUFFER __iomem *) 85 struct QBUFFER *prbuffer;
89 &reg->message_rbuffer; 86 uint8_t *iop_data;
90 uint8_t __iomem * iop_data = (uint8_t __iomem *)prbuffer->data;
91 int32_t iop_len; 87 int32_t iop_len;
92 88
93 acb->acb_flags &= ~ACB_F_IOPDATA_OVERFLOW; 89 acb->acb_flags &= ~ACB_F_IOPDATA_OVERFLOW;
90 prbuffer = arcmsr_get_iop_rqbuffer(acb);
91 iop_data = (uint8_t *)prbuffer->data;
94 iop_len = readl(&prbuffer->data_len); 92 iop_len = readl(&prbuffer->data_len);
95 while (iop_len > 0) { 93 while (iop_len > 0) {
96 acb->rqbuffer[acb->rqbuf_lastindex] = readb(iop_data); 94 acb->rqbuffer[acb->rqbuf_lastindex] = readb(iop_data);
@@ -99,16 +97,12 @@ arcmsr_sysfs_iop_message_read(struct kobject *kobj,
99 iop_data++; 97 iop_data++;
100 iop_len--; 98 iop_len--;
101 } 99 }
102 writel(ARCMSR_INBOUND_DRIVER_DATA_READ_OK, 100 arcmsr_iop_message_read(acb);
103 &reg->inbound_doorbell);
104 } 101 }
105 return (allxfer_len); 102 return (allxfer_len);
106} 103}
107 104
108static ssize_t 105static ssize_t arcmsr_sysfs_iop_message_write(struct kobject *kobj, char *buf, loff_t off, size_t count)
109arcmsr_sysfs_iop_message_write(struct kobject *kobj,
110 struct bin_attribute *bin_attr,
111 char *buf, loff_t off, size_t count)
112{ 106{
113 struct class_device *cdev = container_of(kobj,struct class_device,kobj); 107 struct class_device *cdev = container_of(kobj,struct class_device,kobj);
114 struct Scsi_Host *host = class_to_shost(cdev); 108 struct Scsi_Host *host = class_to_shost(cdev);
@@ -126,7 +120,7 @@ arcmsr_sysfs_iop_message_write(struct kobject *kobj,
126 wqbuf_lastindex = acb->wqbuf_lastindex; 120 wqbuf_lastindex = acb->wqbuf_lastindex;
127 wqbuf_firstindex = acb->wqbuf_firstindex; 121 wqbuf_firstindex = acb->wqbuf_firstindex;
128 if (wqbuf_lastindex != wqbuf_firstindex) { 122 if (wqbuf_lastindex != wqbuf_firstindex) {
129 arcmsr_post_Qbuffer(acb); 123 arcmsr_post_ioctldata2iop(acb);
130 return 0; /*need retry*/ 124 return 0; /*need retry*/
131 } else { 125 } else {
132 my_empty_len = (wqbuf_firstindex-wqbuf_lastindex - 1) 126 my_empty_len = (wqbuf_firstindex-wqbuf_lastindex - 1)
@@ -144,7 +138,7 @@ arcmsr_sysfs_iop_message_write(struct kobject *kobj,
144 if (acb->acb_flags & ACB_F_MESSAGE_WQBUFFER_CLEARED) { 138 if (acb->acb_flags & ACB_F_MESSAGE_WQBUFFER_CLEARED) {
145 acb->acb_flags &= 139 acb->acb_flags &=
146 ~ACB_F_MESSAGE_WQBUFFER_CLEARED; 140 ~ACB_F_MESSAGE_WQBUFFER_CLEARED;
147 arcmsr_post_Qbuffer(acb); 141 arcmsr_post_ioctldata2iop(acb);
148 } 142 }
149 return count; 143 return count;
150 } else { 144 } else {
@@ -153,15 +147,11 @@ arcmsr_sysfs_iop_message_write(struct kobject *kobj,
153 } 147 }
154} 148}
155 149
156static ssize_t 150static ssize_t arcmsr_sysfs_iop_message_clear(struct kobject *kobj, char *buf, loff_t off, size_t count)
157arcmsr_sysfs_iop_message_clear(struct kobject *kobj,
158 struct bin_attribute *bin_attr,
159 char *buf, loff_t off, size_t count)
160{ 151{
161 struct class_device *cdev = container_of(kobj,struct class_device,kobj); 152 struct class_device *cdev = container_of(kobj,struct class_device,kobj);
162 struct Scsi_Host *host = class_to_shost(cdev); 153 struct Scsi_Host *host = class_to_shost(cdev);
163 struct AdapterControlBlock *acb = (struct AdapterControlBlock *) host->hostdata; 154 struct AdapterControlBlock *acb = (struct AdapterControlBlock *) host->hostdata;
164 struct MessageUnit __iomem *reg = acb->pmu;
165 uint8_t *pQbuffer; 155 uint8_t *pQbuffer;
166 156
167 if (!capable(CAP_SYS_ADMIN)) 157 if (!capable(CAP_SYS_ADMIN))
@@ -169,8 +159,7 @@ arcmsr_sysfs_iop_message_clear(struct kobject *kobj,
169 159
170 if (acb->acb_flags & ACB_F_IOPDATA_OVERFLOW) { 160 if (acb->acb_flags & ACB_F_IOPDATA_OVERFLOW) {
171 acb->acb_flags &= ~ACB_F_IOPDATA_OVERFLOW; 161 acb->acb_flags &= ~ACB_F_IOPDATA_OVERFLOW;
172 writel(ARCMSR_INBOUND_DRIVER_DATA_READ_OK 162 arcmsr_iop_message_read(acb);
173 , &reg->inbound_doorbell);
174 } 163 }
175 acb->acb_flags |= 164 acb->acb_flags |=
176 (ACB_F_MESSAGE_WQBUFFER_CLEARED 165 (ACB_F_MESSAGE_WQBUFFER_CLEARED
@@ -191,6 +180,7 @@ static struct bin_attribute arcmsr_sysfs_message_read_attr = {
191 .attr = { 180 .attr = {
192 .name = "mu_read", 181 .name = "mu_read",
193 .mode = S_IRUSR , 182 .mode = S_IRUSR ,
183 .owner = THIS_MODULE,
194 }, 184 },
195 .size = 1032, 185 .size = 1032,
196 .read = arcmsr_sysfs_iop_message_read, 186 .read = arcmsr_sysfs_iop_message_read,
@@ -200,6 +190,7 @@ static struct bin_attribute arcmsr_sysfs_message_write_attr = {
200 .attr = { 190 .attr = {
201 .name = "mu_write", 191 .name = "mu_write",
202 .mode = S_IWUSR, 192 .mode = S_IWUSR,
193 .owner = THIS_MODULE,
203 }, 194 },
204 .size = 1032, 195 .size = 1032,
205 .write = arcmsr_sysfs_iop_message_write, 196 .write = arcmsr_sysfs_iop_message_write,
@@ -209,6 +200,7 @@ static struct bin_attribute arcmsr_sysfs_message_clear_attr = {
209 .attr = { 200 .attr = {
210 .name = "mu_clear", 201 .name = "mu_clear",
211 .mode = S_IWUSR, 202 .mode = S_IWUSR,
203 .owner = THIS_MODULE,
212 }, 204 },
213 .size = 1, 205 .size = 1,
214 .write = arcmsr_sysfs_iop_message_clear, 206 .write = arcmsr_sysfs_iop_message_clear,
@@ -219,31 +211,26 @@ int arcmsr_alloc_sysfs_attr(struct AdapterControlBlock *acb)
219 struct Scsi_Host *host = acb->host; 211 struct Scsi_Host *host = acb->host;
220 int error; 212 int error;
221 213
222 error = sysfs_create_bin_file(&host->shost_classdev.kobj, 214 error = sysfs_create_bin_file(&host->shost_classdev.kobj, &arcmsr_sysfs_message_read_attr);
223 &arcmsr_sysfs_message_read_attr);
224 if (error) { 215 if (error) {
225 printk(KERN_ERR "arcmsr: alloc sysfs mu_read failed\n"); 216 printk(KERN_ERR "arcmsr: alloc sysfs mu_read failed\n");
226 goto error_bin_file_message_read; 217 goto error_bin_file_message_read;
227 } 218 }
228 error = sysfs_create_bin_file(&host->shost_classdev.kobj, 219 error = sysfs_create_bin_file(&host->shost_classdev.kobj, &arcmsr_sysfs_message_write_attr);
229 &arcmsr_sysfs_message_write_attr);
230 if (error) { 220 if (error) {
231 printk(KERN_ERR "arcmsr: alloc sysfs mu_write failed\n"); 221 printk(KERN_ERR "arcmsr: alloc sysfs mu_write failed\n");
232 goto error_bin_file_message_write; 222 goto error_bin_file_message_write;
233 } 223 }
234 error = sysfs_create_bin_file(&host->shost_classdev.kobj, 224 error = sysfs_create_bin_file(&host->shost_classdev.kobj, &arcmsr_sysfs_message_clear_attr);
235 &arcmsr_sysfs_message_clear_attr);
236 if (error) { 225 if (error) {
237 printk(KERN_ERR "arcmsr: alloc sysfs mu_clear failed\n"); 226 printk(KERN_ERR "arcmsr: alloc sysfs mu_clear failed\n");
238 goto error_bin_file_message_clear; 227 goto error_bin_file_message_clear;
239 } 228 }
240 return 0; 229 return 0;
241error_bin_file_message_clear: 230error_bin_file_message_clear:
242 sysfs_remove_bin_file(&host->shost_classdev.kobj, 231 sysfs_remove_bin_file(&host->shost_classdev.kobj, &arcmsr_sysfs_message_write_attr);
243 &arcmsr_sysfs_message_write_attr);
244error_bin_file_message_write: 232error_bin_file_message_write:
245 sysfs_remove_bin_file(&host->shost_classdev.kobj, 233 sysfs_remove_bin_file(&host->shost_classdev.kobj, &arcmsr_sysfs_message_read_attr);
246 &arcmsr_sysfs_message_read_attr);
247error_bin_file_message_read: 234error_bin_file_message_read:
248 return error; 235 return error;
249} 236}
@@ -252,12 +239,9 @@ void
252arcmsr_free_sysfs_attr(struct AdapterControlBlock *acb) { 239arcmsr_free_sysfs_attr(struct AdapterControlBlock *acb) {
253 struct Scsi_Host *host = acb->host; 240 struct Scsi_Host *host = acb->host;
254 241
255 sysfs_remove_bin_file(&host->shost_classdev.kobj, 242 sysfs_remove_bin_file(&host->shost_classdev.kobj, &arcmsr_sysfs_message_clear_attr);
256 &arcmsr_sysfs_message_clear_attr); 243 sysfs_remove_bin_file(&host->shost_classdev.kobj, &arcmsr_sysfs_message_write_attr);
257 sysfs_remove_bin_file(&host->shost_classdev.kobj, 244 sysfs_remove_bin_file(&host->shost_classdev.kobj, &arcmsr_sysfs_message_read_attr);
258 &arcmsr_sysfs_message_write_attr);
259 sysfs_remove_bin_file(&host->shost_classdev.kobj,
260 &arcmsr_sysfs_message_read_attr);
261} 245}
262 246
263 247
diff --git a/drivers/scsi/arcmsr/arcmsr_hba.c b/drivers/scsi/arcmsr/arcmsr_hba.c
index 0ddfc21e9f7d..d70398ac64db 100644
--- a/drivers/scsi/arcmsr/arcmsr_hba.c
+++ b/drivers/scsi/arcmsr/arcmsr_hba.c
@@ -9,7 +9,7 @@
9** Copyright (C) 2002 - 2005, Areca Technology Corporation All rights reserved 9** Copyright (C) 2002 - 2005, Areca Technology Corporation All rights reserved
10** 10**
11** Web site: www.areca.com.tw 11** Web site: www.areca.com.tw
12** E-mail: erich@areca.com.tw 12** E-mail: support@areca.com.tw
13** 13**
14** This program is free software; you can redistribute it and/or modify 14** This program is free software; you can redistribute it and/or modify
15** it under the terms of the GNU General Public License version 2 as 15** it under the terms of the GNU General Public License version 2 as
@@ -71,33 +71,37 @@
71#include <scsi/scsicam.h> 71#include <scsi/scsicam.h>
72#include "arcmsr.h" 72#include "arcmsr.h"
73 73
74MODULE_AUTHOR("Erich Chen <erich@areca.com.tw>"); 74MODULE_AUTHOR("Erich Chen <support@areca.com.tw>");
75MODULE_DESCRIPTION("ARECA (ARC11xx/12xx/13xx/16xx) SATA/SAS RAID HOST Adapter"); 75MODULE_DESCRIPTION("ARECA (ARC11xx/12xx/13xx/16xx) SATA/SAS RAID HOST Adapter");
76MODULE_LICENSE("Dual BSD/GPL"); 76MODULE_LICENSE("Dual BSD/GPL");
77MODULE_VERSION(ARCMSR_DRIVER_VERSION); 77MODULE_VERSION(ARCMSR_DRIVER_VERSION);
78 78
79static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb, struct scsi_cmnd *cmd); 79static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb,
80 struct scsi_cmnd *cmd);
81static int arcmsr_iop_confirm(struct AdapterControlBlock *acb);
80static int arcmsr_abort(struct scsi_cmnd *); 82static int arcmsr_abort(struct scsi_cmnd *);
81static int arcmsr_bus_reset(struct scsi_cmnd *); 83static int arcmsr_bus_reset(struct scsi_cmnd *);
82static int arcmsr_bios_param(struct scsi_device *sdev, 84static int arcmsr_bios_param(struct scsi_device *sdev,
83 struct block_device *bdev, sector_t capacity, int *info); 85 struct block_device *bdev, sector_t capacity, int *info);
84static int arcmsr_queue_command(struct scsi_cmnd * cmd, 86static int arcmsr_queue_command(struct scsi_cmnd *cmd,
85 void (*done) (struct scsi_cmnd *)); 87 void (*done) (struct scsi_cmnd *));
86static int arcmsr_probe(struct pci_dev *pdev, 88static int arcmsr_probe(struct pci_dev *pdev,
87 const struct pci_device_id *id); 89 const struct pci_device_id *id);
88static void arcmsr_remove(struct pci_dev *pdev); 90static void arcmsr_remove(struct pci_dev *pdev);
89static void arcmsr_shutdown(struct pci_dev *pdev); 91static void arcmsr_shutdown(struct pci_dev *pdev);
90static void arcmsr_iop_init(struct AdapterControlBlock *acb); 92static void arcmsr_iop_init(struct AdapterControlBlock *acb);
91static void arcmsr_free_ccb_pool(struct AdapterControlBlock *acb); 93static void arcmsr_free_ccb_pool(struct AdapterControlBlock *acb);
94static u32 arcmsr_disable_outbound_ints(struct AdapterControlBlock *acb);
92static void arcmsr_stop_adapter_bgrb(struct AdapterControlBlock *acb); 95static void arcmsr_stop_adapter_bgrb(struct AdapterControlBlock *acb);
93static void arcmsr_flush_adapter_cache(struct AdapterControlBlock *acb); 96static void arcmsr_flush_hba_cache(struct AdapterControlBlock *acb);
94static uint8_t arcmsr_wait_msgint_ready(struct AdapterControlBlock *acb); 97static void arcmsr_flush_hbb_cache(struct AdapterControlBlock *acb);
95static const char *arcmsr_info(struct Scsi_Host *); 98static const char *arcmsr_info(struct Scsi_Host *);
96static irqreturn_t arcmsr_interrupt(struct AdapterControlBlock *acb); 99static irqreturn_t arcmsr_interrupt(struct AdapterControlBlock *acb);
97static pci_ers_result_t arcmsr_pci_error_detected(struct pci_dev *pdev, 100static pci_ers_result_t arcmsr_pci_error_detected(struct pci_dev *pdev,
98 pci_channel_state_t state); 101 pci_channel_state_t state);
99static pci_ers_result_t arcmsr_pci_slot_reset(struct pci_dev *pdev); 102static pci_ers_result_t arcmsr_pci_slot_reset(struct pci_dev *pdev);
100static int arcmsr_adjust_disk_queue_depth(struct scsi_device *sdev, int queue_depth) 103static int arcmsr_adjust_disk_queue_depth(struct scsi_device *sdev,
104 int queue_depth)
101{ 105{
102 if (queue_depth > ARCMSR_MAX_CMD_PERLUN) 106 if (queue_depth > ARCMSR_MAX_CMD_PERLUN)
103 queue_depth = ARCMSR_MAX_CMD_PERLUN; 107 queue_depth = ARCMSR_MAX_CMD_PERLUN;
@@ -123,17 +127,21 @@ static struct scsi_host_template arcmsr_scsi_host_template = {
123 .use_clustering = ENABLE_CLUSTERING, 127 .use_clustering = ENABLE_CLUSTERING,
124 .shost_attrs = arcmsr_host_attrs, 128 .shost_attrs = arcmsr_host_attrs,
125}; 129};
130#ifdef CONFIG_SCSI_ARCMSR_AER
126static struct pci_error_handlers arcmsr_pci_error_handlers = { 131static struct pci_error_handlers arcmsr_pci_error_handlers = {
127 .error_detected = arcmsr_pci_error_detected, 132 .error_detected = arcmsr_pci_error_detected,
128 .slot_reset = arcmsr_pci_slot_reset, 133 .slot_reset = arcmsr_pci_slot_reset,
129}; 134};
130 135#endif
131static struct pci_device_id arcmsr_device_id_table[] = { 136static struct pci_device_id arcmsr_device_id_table[] = {
132 {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1110)}, 137 {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1110)},
133 {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1120)}, 138 {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1120)},
134 {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1130)}, 139 {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1130)},
135 {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1160)}, 140 {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1160)},
136 {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1170)}, 141 {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1170)},
142 {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1200)},
143 {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1201)},
144 {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1202)},
137 {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1210)}, 145 {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1210)},
138 {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1220)}, 146 {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1220)},
139 {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1230)}, 147 {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1230)},
@@ -153,20 +161,20 @@ static struct pci_driver arcmsr_pci_driver = {
153 .probe = arcmsr_probe, 161 .probe = arcmsr_probe,
154 .remove = arcmsr_remove, 162 .remove = arcmsr_remove,
155 .shutdown = arcmsr_shutdown, 163 .shutdown = arcmsr_shutdown,
164 #ifdef CONFIG_SCSI_ARCMSR_AER
156 .err_handler = &arcmsr_pci_error_handlers, 165 .err_handler = &arcmsr_pci_error_handlers,
166 #endif
157}; 167};
158 168
159static irqreturn_t arcmsr_do_interrupt(int irq, void *dev_id) 169static irqreturn_t arcmsr_do_interrupt(int irq, void *dev_id)
160{ 170{
161 irqreturn_t handle_state; 171 irqreturn_t handle_state;
162 struct AdapterControlBlock *acb; 172 struct AdapterControlBlock *acb = dev_id;
163 unsigned long flags;
164
165 acb = (struct AdapterControlBlock *)dev_id;
166 173
167 spin_lock_irqsave(acb->host->host_lock, flags); 174 spin_lock(acb->host->host_lock);
168 handle_state = arcmsr_interrupt(acb); 175 handle_state = arcmsr_interrupt(acb);
169 spin_unlock_irqrestore(acb->host->host_lock, flags); 176 spin_unlock(acb->host->host_lock);
177
170 return handle_state; 178 return handle_state;
171} 179}
172 180
@@ -198,68 +206,159 @@ static int arcmsr_bios_param(struct scsi_device *sdev,
198 return 0; 206 return 0;
199} 207}
200 208
201static int arcmsr_alloc_ccb_pool(struct AdapterControlBlock *acb) 209static void arcmsr_define_adapter_type(struct AdapterControlBlock *acb)
202{ 210{
203 struct pci_dev *pdev = acb->pdev; 211 struct pci_dev *pdev = acb->pdev;
204 struct MessageUnit __iomem *reg = acb->pmu; 212 u16 dev_id;
205 u32 ccb_phyaddr_hi32; 213 pci_read_config_word(pdev, PCI_DEVICE_ID, &dev_id);
206 void *dma_coherent; 214 switch (dev_id) {
207 dma_addr_t dma_coherent_handle, dma_addr; 215 case 0x1201 : {
208 struct CommandControlBlock *ccb_tmp; 216 acb->adapter_type = ACB_ADAPTER_TYPE_B;
209 int i, j; 217 }
218 break;
219
220 default : acb->adapter_type = ACB_ADAPTER_TYPE_A;
221 }
222}
210 223
211 dma_coherent = dma_alloc_coherent(&pdev->dev, 224static int arcmsr_alloc_ccb_pool(struct AdapterControlBlock *acb)
225{
226
227 switch (acb->adapter_type) {
228
229 case ACB_ADAPTER_TYPE_A: {
230 struct pci_dev *pdev = acb->pdev;
231 void *dma_coherent;
232 dma_addr_t dma_coherent_handle, dma_addr;
233 struct CommandControlBlock *ccb_tmp;
234 uint32_t intmask_org;
235 int i, j;
236
237 acb->pmu = ioremap(pci_resource_start(pdev, 0), pci_resource_len(pdev, 0));
238 if (!acb->pmu) {
239 printk(KERN_NOTICE "arcmsr%d: memory mapping region fail \n",
240 acb->host->host_no);
241 }
242
243 dma_coherent = dma_alloc_coherent(&pdev->dev,
212 ARCMSR_MAX_FREECCB_NUM * 244 ARCMSR_MAX_FREECCB_NUM *
213 sizeof (struct CommandControlBlock) + 0x20, 245 sizeof (struct CommandControlBlock) + 0x20,
214 &dma_coherent_handle, GFP_KERNEL); 246 &dma_coherent_handle, GFP_KERNEL);
215 if (!dma_coherent) 247 if (!dma_coherent)
216 return -ENOMEM; 248 return -ENOMEM;
217 249
218 acb->dma_coherent = dma_coherent; 250 acb->dma_coherent = dma_coherent;
219 acb->dma_coherent_handle = dma_coherent_handle; 251 acb->dma_coherent_handle = dma_coherent_handle;
220 252
221 if (((unsigned long)dma_coherent & 0x1F)) { 253 if (((unsigned long)dma_coherent & 0x1F)) {
222 dma_coherent = dma_coherent + 254 dma_coherent = dma_coherent +
223 (0x20 - ((unsigned long)dma_coherent & 0x1F)); 255 (0x20 - ((unsigned long)dma_coherent & 0x1F));
224 dma_coherent_handle = dma_coherent_handle + 256 dma_coherent_handle = dma_coherent_handle +
225 (0x20 - ((unsigned long)dma_coherent_handle & 0x1F)); 257 (0x20 - ((unsigned long)dma_coherent_handle & 0x1F));
226 } 258 }
227 259
228 dma_addr = dma_coherent_handle; 260 dma_addr = dma_coherent_handle;
229 ccb_tmp = (struct CommandControlBlock *)dma_coherent; 261 ccb_tmp = (struct CommandControlBlock *)dma_coherent;
230 for (i = 0; i < ARCMSR_MAX_FREECCB_NUM; i++) { 262 for (i = 0; i < ARCMSR_MAX_FREECCB_NUM; i++) {
231 ccb_tmp->cdb_shifted_phyaddr = dma_addr >> 5; 263 ccb_tmp->cdb_shifted_phyaddr = dma_addr >> 5;
232 ccb_tmp->acb = acb; 264 ccb_tmp->acb = acb;
233 acb->pccb_pool[i] = ccb_tmp; 265 acb->pccb_pool[i] = ccb_tmp;
234 list_add_tail(&ccb_tmp->list, &acb->ccb_free_list); 266 list_add_tail(&ccb_tmp->list, &acb->ccb_free_list);
235 dma_addr = dma_addr + sizeof (struct CommandControlBlock); 267 dma_addr = dma_addr + sizeof(struct CommandControlBlock);
236 ccb_tmp++; 268 ccb_tmp++;
237 } 269 }
238 270
239 acb->vir2phy_offset = (unsigned long)ccb_tmp - 271 acb->vir2phy_offset = (unsigned long)ccb_tmp -(unsigned long)dma_addr;
240 (unsigned long)dma_addr; 272 for (i = 0; i < ARCMSR_MAX_TARGETID; i++)
241 for (i = 0; i < ARCMSR_MAX_TARGETID; i++) 273 for (j = 0; j < ARCMSR_MAX_TARGETLUN; j++)
242 for (j = 0; j < ARCMSR_MAX_TARGETLUN; j++) 274 acb->devstate[i][j] = ARECA_RAID_GONE;
243 acb->devstate[i][j] = ARECA_RAID_GOOD;
244 275
245 /* 276 /*
246 ** here we need to tell iop 331 our ccb_tmp.HighPart 277 ** here we need to tell iop 331 our ccb_tmp.HighPart
247 ** if ccb_tmp.HighPart is not zero 278 ** if ccb_tmp.HighPart is not zero
248 */ 279 */
249 ccb_phyaddr_hi32 = (uint32_t) ((dma_coherent_handle >> 16) >> 16); 280 intmask_org = arcmsr_disable_outbound_ints(acb);
250 if (ccb_phyaddr_hi32 != 0) { 281 }
251 writel(ARCMSR_SIGNATURE_SET_CONFIG, &reg->message_rwbuffer[0]); 282 break;
252 writel(ccb_phyaddr_hi32, &reg->message_rwbuffer[1]); 283
253 writel(ARCMSR_INBOUND_MESG0_SET_CONFIG, &reg->inbound_msgaddr0); 284 case ACB_ADAPTER_TYPE_B: {
254 if (arcmsr_wait_msgint_ready(acb)) 285
255 printk(KERN_NOTICE "arcmsr%d: " 286 struct pci_dev *pdev = acb->pdev;
256 "'set ccb high part physical address' timeout\n", 287 struct MessageUnit_B *reg;
257 acb->host->host_no); 288 void *mem_base0, *mem_base1;
258 } 289 void *dma_coherent;
290 dma_addr_t dma_coherent_handle, dma_addr;
291 uint32_t intmask_org;
292 struct CommandControlBlock *ccb_tmp;
293 int i, j;
294
295 dma_coherent = dma_alloc_coherent(&pdev->dev,
296 ((ARCMSR_MAX_FREECCB_NUM *
297 sizeof(struct CommandControlBlock) + 0x20) +
298 sizeof(struct MessageUnit_B)),
299 &dma_coherent_handle, GFP_KERNEL);
300 if (!dma_coherent)
301 return -ENOMEM;
259 302
260 writel(readl(&reg->outbound_intmask) | 303 acb->dma_coherent = dma_coherent;
261 ARCMSR_MU_OUTBOUND_ALL_INTMASKENABLE, 304 acb->dma_coherent_handle = dma_coherent_handle;
262 &reg->outbound_intmask); 305
306 if (((unsigned long)dma_coherent & 0x1F)) {
307 dma_coherent = dma_coherent +
308 (0x20 - ((unsigned long)dma_coherent & 0x1F));
309 dma_coherent_handle = dma_coherent_handle +
310 (0x20 - ((unsigned long)dma_coherent_handle & 0x1F));
311 }
312
313 reg = (struct MessageUnit_B *)(dma_coherent +
314 ARCMSR_MAX_FREECCB_NUM * sizeof(struct CommandControlBlock));
315
316 dma_addr = dma_coherent_handle;
317 ccb_tmp = (struct CommandControlBlock *)dma_coherent;
318 for (i = 0; i < ARCMSR_MAX_FREECCB_NUM; i++) {
319 ccb_tmp->cdb_shifted_phyaddr = dma_addr >> 5;
320 ccb_tmp->acb = acb;
321 acb->pccb_pool[i] = ccb_tmp;
322 list_add_tail(&ccb_tmp->list, &acb->ccb_free_list);
323 dma_addr = dma_addr + sizeof(struct CommandControlBlock);
324 ccb_tmp++;
325 }
326
327 reg = (struct MessageUnit_B *)(dma_coherent +
328 ARCMSR_MAX_FREECCB_NUM * sizeof(struct CommandControlBlock));
329 acb->pmu = (struct MessageUnit_B *)reg;
330 mem_base0 = ioremap(pci_resource_start(pdev, 0),
331 pci_resource_len(pdev, 0));
332 mem_base1 = ioremap(pci_resource_start(pdev, 2),
333 pci_resource_len(pdev, 2));
334 reg->drv2iop_doorbell_reg = (uint32_t *)((char *)mem_base0 +
335 ARCMSR_DRV2IOP_DOORBELL);
336 reg->drv2iop_doorbell_mask_reg = (uint32_t *)((char *)mem_base0 +
337 ARCMSR_DRV2IOP_DOORBELL_MASK);
338 reg->iop2drv_doorbell_reg = (uint32_t *)((char *)mem_base0 +
339 ARCMSR_IOP2DRV_DOORBELL);
340 reg->iop2drv_doorbell_mask_reg = (uint32_t *)((char *)mem_base0 +
341 ARCMSR_IOP2DRV_DOORBELL_MASK);
342 reg->ioctl_wbuffer_reg = (uint32_t *)((char *)mem_base1 +
343 ARCMSR_IOCTL_WBUFFER);
344 reg->ioctl_rbuffer_reg = (uint32_t *)((char *)mem_base1 +
345 ARCMSR_IOCTL_RBUFFER);
346 reg->msgcode_rwbuffer_reg = (uint32_t *)((char *)mem_base1 +
347 ARCMSR_MSGCODE_RWBUFFER);
348
349 acb->vir2phy_offset = (unsigned long)ccb_tmp -(unsigned long)dma_addr;
350 for (i = 0; i < ARCMSR_MAX_TARGETID; i++)
351 for (j = 0; j < ARCMSR_MAX_TARGETLUN; j++)
352 acb->devstate[i][j] = ARECA_RAID_GOOD;
353
354 /*
355 ** here we need to tell iop 331 our ccb_tmp.HighPart
356 ** if ccb_tmp.HighPart is not zero
357 */
358 intmask_org = arcmsr_disable_outbound_ints(acb);
359 }
360 break;
361 }
263 return 0; 362 return 0;
264} 363}
265 364
@@ -310,16 +409,11 @@ static int arcmsr_probe(struct pci_dev *pdev,
310 host->unique_id = (bus << 8) | dev_fun; 409 host->unique_id = (bus << 8) | dev_fun;
311 host->irq = pdev->irq; 410 host->irq = pdev->irq;
312 error = pci_request_regions(pdev, "arcmsr"); 411 error = pci_request_regions(pdev, "arcmsr");
313 if (error) 412 if (error) {
314 goto out_host_put; 413 goto out_host_put;
315
316 acb->pmu = ioremap(pci_resource_start(pdev, 0),
317 pci_resource_len(pdev, 0));
318 if (!acb->pmu) {
319 printk(KERN_NOTICE "arcmsr%d: memory"
320 " mapping region fail \n", acb->host->host_no);
321 goto out_release_regions;
322 } 414 }
415 arcmsr_define_adapter_type(acb);
416
323 acb->acb_flags |= (ACB_F_MESSAGE_WQBUFFER_CLEARED | 417 acb->acb_flags |= (ACB_F_MESSAGE_WQBUFFER_CLEARED |
324 ACB_F_MESSAGE_RQBUFFER_CLEARED | 418 ACB_F_MESSAGE_RQBUFFER_CLEARED |
325 ACB_F_MESSAGE_WQBUFFER_READED); 419 ACB_F_MESSAGE_WQBUFFER_READED);
@@ -328,10 +422,10 @@ static int arcmsr_probe(struct pci_dev *pdev,
328 422
329 error = arcmsr_alloc_ccb_pool(acb); 423 error = arcmsr_alloc_ccb_pool(acb);
330 if (error) 424 if (error)
331 goto out_iounmap; 425 goto out_release_regions;
332 426
333 error = request_irq(pdev->irq, arcmsr_do_interrupt, 427 error = request_irq(pdev->irq, arcmsr_do_interrupt,
334 IRQF_DISABLED | IRQF_SHARED, "arcmsr", acb); 428 IRQF_SHARED, "arcmsr", acb);
335 if (error) 429 if (error)
336 goto out_free_ccb_pool; 430 goto out_free_ccb_pool;
337 431
@@ -349,14 +443,15 @@ static int arcmsr_probe(struct pci_dev *pdev,
349 goto out_free_sysfs; 443 goto out_free_sysfs;
350 444
351 scsi_scan_host(host); 445 scsi_scan_host(host);
446 #ifdef CONFIG_SCSI_ARCMSR_AER
352 pci_enable_pcie_error_reporting(pdev); 447 pci_enable_pcie_error_reporting(pdev);
448 #endif
353 return 0; 449 return 0;
354 out_free_sysfs: 450 out_free_sysfs:
355 out_free_irq: 451 out_free_irq:
356 free_irq(pdev->irq, acb); 452 free_irq(pdev->irq, acb);
357 out_free_ccb_pool: 453 out_free_ccb_pool:
358 arcmsr_free_ccb_pool(acb); 454 arcmsr_free_ccb_pool(acb);
359 out_iounmap:
360 iounmap(acb->pmu); 455 iounmap(acb->pmu);
361 out_release_regions: 456 out_release_regions:
362 pci_release_regions(pdev); 457 pci_release_regions(pdev);
@@ -368,17 +463,84 @@ static int arcmsr_probe(struct pci_dev *pdev,
368 return error; 463 return error;
369} 464}
370 465
371static void arcmsr_abort_allcmd(struct AdapterControlBlock *acb) 466static uint8_t arcmsr_hba_wait_msgint_ready(struct AdapterControlBlock *acb)
467{
468 struct MessageUnit_A __iomem *reg = (struct MessageUnit_A *)acb->pmu;
469 uint32_t Index;
470 uint8_t Retries = 0x00;
471
472 do {
473 for (Index = 0; Index < 100; Index++) {
474 if (readl(&reg->outbound_intstatus) &
475 ARCMSR_MU_OUTBOUND_MESSAGE0_INT) {
476 writel(ARCMSR_MU_OUTBOUND_MESSAGE0_INT,
477 &reg->outbound_intstatus);
478 return 0x00;
479 }
480 msleep(10);
481 }/*max 1 seconds*/
482
483 } while (Retries++ < 20);/*max 20 sec*/
484 return 0xff;
485}
486
487static uint8_t arcmsr_hbb_wait_msgint_ready(struct AdapterControlBlock *acb)
488{
489 struct MessageUnit_B *reg = (struct MessageUnit_B *)acb->pmu;
490 uint32_t Index;
491 uint8_t Retries = 0x00;
492
493 do {
494 for (Index = 0; Index < 100; Index++) {
495 if (readl(reg->iop2drv_doorbell_reg)
496 & ARCMSR_IOP2DRV_MESSAGE_CMD_DONE) {
497 writel(ARCMSR_MESSAGE_INT_CLEAR_PATTERN
498 , reg->iop2drv_doorbell_reg);
499 return 0x00;
500 }
501 msleep(10);
502 }/*max 1 seconds*/
503
504 } while (Retries++ < 20);/*max 20 sec*/
505 return 0xff;
506}
507
508static void arcmsr_abort_hba_allcmd(struct AdapterControlBlock *acb)
372{ 509{
373 struct MessageUnit __iomem *reg = acb->pmu; 510 struct MessageUnit_A __iomem *reg = (struct MessageUnit_A *)acb->pmu;
374 511
375 writel(ARCMSR_INBOUND_MESG0_ABORT_CMD, &reg->inbound_msgaddr0); 512 writel(ARCMSR_INBOUND_MESG0_ABORT_CMD, &reg->inbound_msgaddr0);
376 if (arcmsr_wait_msgint_ready(acb)) 513 if (arcmsr_hba_wait_msgint_ready(acb))
377 printk(KERN_NOTICE 514 printk(KERN_NOTICE
378 "arcmsr%d: wait 'abort all outstanding command' timeout \n" 515 "arcmsr%d: wait 'abort all outstanding command' timeout \n"
379 , acb->host->host_no); 516 , acb->host->host_no);
380} 517}
381 518
519static void arcmsr_abort_hbb_allcmd(struct AdapterControlBlock *acb)
520{
521 struct MessageUnit_B *reg = (struct MessageUnit_B *)acb->pmu;
522
523 writel(ARCMSR_MESSAGE_ABORT_CMD, reg->drv2iop_doorbell_reg);
524 if (arcmsr_hbb_wait_msgint_ready(acb))
525 printk(KERN_NOTICE
526 "arcmsr%d: wait 'abort all outstanding command' timeout \n"
527 , acb->host->host_no);
528}
529
530static void arcmsr_abort_allcmd(struct AdapterControlBlock *acb)
531{
532 switch (acb->adapter_type) {
533 case ACB_ADAPTER_TYPE_A: {
534 arcmsr_abort_hba_allcmd(acb);
535 }
536 break;
537
538 case ACB_ADAPTER_TYPE_B: {
539 arcmsr_abort_hbb_allcmd(acb);
540 }
541 }
542}
543
382static void arcmsr_pci_unmap_dma(struct CommandControlBlock *ccb) 544static void arcmsr_pci_unmap_dma(struct CommandControlBlock *ccb)
383{ 545{
384 struct scsi_cmnd *pcmd = ccb->pcmd; 546 struct scsi_cmnd *pcmd = ccb->pcmd;
@@ -400,28 +562,239 @@ static void arcmsr_ccb_complete(struct CommandControlBlock *ccb, int stand_flag)
400 pcmd->scsi_done(pcmd); 562 pcmd->scsi_done(pcmd);
401} 563}
402 564
565static void arcmsr_flush_hba_cache(struct AdapterControlBlock *acb)
566{
567 struct MessageUnit_A __iomem *reg = (struct MessageUnit_A *)acb->pmu;
568 int retry_count = 30;
569
570 writel(ARCMSR_INBOUND_MESG0_FLUSH_CACHE, &reg->inbound_msgaddr0);
571 do {
572 if (!arcmsr_hba_wait_msgint_ready(acb))
573 break;
574 else {
575 retry_count--;
576 printk(KERN_NOTICE "arcmsr%d: wait 'flush adapter cache' \
577 timeout, retry count down = %d \n", acb->host->host_no, retry_count);
578 }
579 } while (retry_count != 0);
580}
581
582static void arcmsr_flush_hbb_cache(struct AdapterControlBlock *acb)
583{
584 struct MessageUnit_B *reg = (struct MessageUnit_B *)acb->pmu;
585 int retry_count = 30;
586
587 writel(ARCMSR_MESSAGE_FLUSH_CACHE, reg->drv2iop_doorbell_reg);
588 do {
589 if (!arcmsr_hbb_wait_msgint_ready(acb))
590 break;
591 else {
592 retry_count--;
593 printk(KERN_NOTICE "arcmsr%d: wait 'flush adapter cache' \
594 timeout,retry count down = %d \n", acb->host->host_no, retry_count);
595 }
596 } while (retry_count != 0);
597}
598
599static void arcmsr_flush_adapter_cache(struct AdapterControlBlock *acb)
600{
601 switch (acb->adapter_type) {
602
603 case ACB_ADAPTER_TYPE_A: {
604 arcmsr_flush_hba_cache(acb);
605 }
606 break;
607
608 case ACB_ADAPTER_TYPE_B: {
609 arcmsr_flush_hbb_cache(acb);
610 }
611 }
612}
613
614static void arcmsr_report_sense_info(struct CommandControlBlock *ccb)
615{
616
617 struct scsi_cmnd *pcmd = ccb->pcmd;
618 struct SENSE_DATA *sensebuffer = (struct SENSE_DATA *)pcmd->sense_buffer;
619
620 pcmd->result = DID_OK << 16;
621 if (sensebuffer) {
622 int sense_data_length =
623 sizeof(struct SENSE_DATA) < sizeof(pcmd->sense_buffer)
624 ? sizeof(struct SENSE_DATA) : sizeof(pcmd->sense_buffer);
625 memset(sensebuffer, 0, sizeof(pcmd->sense_buffer));
626 memcpy(sensebuffer, ccb->arcmsr_cdb.SenseData, sense_data_length);
627 sensebuffer->ErrorCode = SCSI_SENSE_CURRENT_ERRORS;
628 sensebuffer->Valid = 1;
629 }
630}
631
632static u32 arcmsr_disable_outbound_ints(struct AdapterControlBlock *acb)
633{
634 u32 orig_mask = 0;
635 switch (acb->adapter_type) {
636
637 case ACB_ADAPTER_TYPE_A : {
638 struct MessageUnit_A __iomem *reg = (struct MessageUnit_A *)acb->pmu;
639 orig_mask = readl(&reg->outbound_intmask)|\
640 ARCMSR_MU_OUTBOUND_MESSAGE0_INTMASKENABLE;
641 writel(orig_mask|ARCMSR_MU_OUTBOUND_ALL_INTMASKENABLE, \
642 &reg->outbound_intmask);
643 }
644 break;
645
646 case ACB_ADAPTER_TYPE_B : {
647 struct MessageUnit_B *reg = (struct MessageUnit_B *)acb->pmu;
648 orig_mask = readl(reg->iop2drv_doorbell_mask_reg) & \
649 (~ARCMSR_IOP2DRV_MESSAGE_CMD_DONE);
650 writel(0, reg->iop2drv_doorbell_mask_reg);
651 }
652 break;
653 }
654 return orig_mask;
655}
656
657static void arcmsr_report_ccb_state(struct AdapterControlBlock *acb, \
658 struct CommandControlBlock *ccb, uint32_t flag_ccb)
659{
660
661 uint8_t id, lun;
662 id = ccb->pcmd->device->id;
663 lun = ccb->pcmd->device->lun;
664 if (!(flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR)) {
665 if (acb->devstate[id][lun] == ARECA_RAID_GONE)
666 acb->devstate[id][lun] = ARECA_RAID_GOOD;
667 ccb->pcmd->result = DID_OK << 16;
668 arcmsr_ccb_complete(ccb, 1);
669 } else {
670 switch (ccb->arcmsr_cdb.DeviceStatus) {
671 case ARCMSR_DEV_SELECT_TIMEOUT: {
672 acb->devstate[id][lun] = ARECA_RAID_GONE;
673 ccb->pcmd->result = DID_NO_CONNECT << 16;
674 arcmsr_ccb_complete(ccb, 1);
675 }
676 break;
677
678 case ARCMSR_DEV_ABORTED:
679
680 case ARCMSR_DEV_INIT_FAIL: {
681 acb->devstate[id][lun] = ARECA_RAID_GONE;
682 ccb->pcmd->result = DID_BAD_TARGET << 16;
683 arcmsr_ccb_complete(ccb, 1);
684 }
685 break;
686
687 case ARCMSR_DEV_CHECK_CONDITION: {
688 acb->devstate[id][lun] = ARECA_RAID_GOOD;
689 arcmsr_report_sense_info(ccb);
690 arcmsr_ccb_complete(ccb, 1);
691 }
692 break;
693
694 default:
695 printk(KERN_NOTICE
696 "arcmsr%d: scsi id = %d lun = %d"
697 " isr get command error done, "
698 "but got unknown DeviceStatus = 0x%x \n"
699 , acb->host->host_no
700 , id
701 , lun
702 , ccb->arcmsr_cdb.DeviceStatus);
703 acb->devstate[id][lun] = ARECA_RAID_GONE;
704 ccb->pcmd->result = DID_NO_CONNECT << 16;
705 arcmsr_ccb_complete(ccb, 1);
706 break;
707 }
708 }
709}
710
711static void arcmsr_drain_donequeue(struct AdapterControlBlock *acb, uint32_t flag_ccb)
712
713{
714 struct CommandControlBlock *ccb;
715
716 ccb = (struct CommandControlBlock *)(acb->vir2phy_offset + (flag_ccb << 5));
717 if ((ccb->acb != acb) || (ccb->startdone != ARCMSR_CCB_START)) {
718 if (ccb->startdone == ARCMSR_CCB_ABORTED) {
719 struct scsi_cmnd *abortcmd = ccb->pcmd;
720 if (abortcmd) {
721 abortcmd->result |= DID_ABORT << 16;
722 arcmsr_ccb_complete(ccb, 1);
723 printk(KERN_NOTICE "arcmsr%d: ccb ='0x%p' \
724 isr got aborted command \n", acb->host->host_no, ccb);
725 }
726 }
727 printk(KERN_NOTICE "arcmsr%d: isr get an illegal ccb command \
728 done acb = '0x%p'"
729 "ccb = '0x%p' ccbacb = '0x%p' startdone = 0x%x"
730 " ccboutstandingcount = %d \n"
731 , acb->host->host_no
732 , acb
733 , ccb
734 , ccb->acb
735 , ccb->startdone
736 , atomic_read(&acb->ccboutstandingcount));
737 }
738 arcmsr_report_ccb_state(acb, ccb, flag_ccb);
739}
740
741static void arcmsr_done4abort_postqueue(struct AdapterControlBlock *acb)
742{
743 int i = 0;
744 uint32_t flag_ccb;
745
746 switch (acb->adapter_type) {
747
748 case ACB_ADAPTER_TYPE_A: {
749 struct MessageUnit_A __iomem *reg = \
750 (struct MessageUnit_A *)acb->pmu;
751 uint32_t outbound_intstatus;
752 outbound_intstatus = readl(&reg->outbound_intstatus) & \
753 acb->outbound_int_enable;
754 /*clear and abort all outbound posted Q*/
755 writel(outbound_intstatus, &reg->outbound_intstatus);/*clear interrupt*/
756 while (((flag_ccb = readl(&reg->outbound_queueport)) != 0xFFFFFFFF) \
757 && (i++ < ARCMSR_MAX_OUTSTANDING_CMD)) {
758 arcmsr_drain_donequeue(acb, flag_ccb);
759 }
760 }
761 break;
762
763 case ACB_ADAPTER_TYPE_B: {
764 struct MessageUnit_B *reg = (struct MessageUnit_B *)acb->pmu;
765 /*clear all outbound posted Q*/
766 for (i = 0; i < ARCMSR_MAX_HBB_POSTQUEUE; i++) {
767 if ((flag_ccb = readl(&reg->done_qbuffer[i])) != 0) {
768 writel(0, &reg->done_qbuffer[i]);
769 arcmsr_drain_donequeue(acb, flag_ccb);
770 }
771 writel(0, &reg->post_qbuffer[i]);
772 }
773 reg->doneq_index = 0;
774 reg->postq_index = 0;
775 }
776 break;
777 }
778}
403static void arcmsr_remove(struct pci_dev *pdev) 779static void arcmsr_remove(struct pci_dev *pdev)
404{ 780{
405 struct Scsi_Host *host = pci_get_drvdata(pdev); 781 struct Scsi_Host *host = pci_get_drvdata(pdev);
406 struct AdapterControlBlock *acb = 782 struct AdapterControlBlock *acb =
407 (struct AdapterControlBlock *) host->hostdata; 783 (struct AdapterControlBlock *) host->hostdata;
408 struct MessageUnit __iomem *reg = acb->pmu;
409 int poll_count = 0; 784 int poll_count = 0;
410 785
411 arcmsr_free_sysfs_attr(acb); 786 arcmsr_free_sysfs_attr(acb);
412 scsi_remove_host(host); 787 scsi_remove_host(host);
413 arcmsr_stop_adapter_bgrb(acb); 788 arcmsr_stop_adapter_bgrb(acb);
414 arcmsr_flush_adapter_cache(acb); 789 arcmsr_flush_adapter_cache(acb);
415 writel(readl(&reg->outbound_intmask) | 790 arcmsr_disable_outbound_ints(acb);
416 ARCMSR_MU_OUTBOUND_ALL_INTMASKENABLE,
417 &reg->outbound_intmask);
418 acb->acb_flags |= ACB_F_SCSISTOPADAPTER; 791 acb->acb_flags |= ACB_F_SCSISTOPADAPTER;
419 acb->acb_flags &= ~ACB_F_IOP_INITED; 792 acb->acb_flags &= ~ACB_F_IOP_INITED;
420 793
421 for (poll_count = 0; poll_count < 256; poll_count++) { 794 for (poll_count = 0; poll_count < ARCMSR_MAX_OUTSTANDING_CMD; poll_count++) {
422 if (!atomic_read(&acb->ccboutstandingcount)) 795 if (!atomic_read(&acb->ccboutstandingcount))
423 break; 796 break;
424 arcmsr_interrupt(acb); 797 arcmsr_interrupt(acb);/* FIXME: need spinlock */
425 msleep(25); 798 msleep(25);
426 } 799 }
427 800
@@ -429,8 +802,7 @@ static void arcmsr_remove(struct pci_dev *pdev)
429 int i; 802 int i;
430 803
431 arcmsr_abort_allcmd(acb); 804 arcmsr_abort_allcmd(acb);
432 for (i = 0; i < ARCMSR_MAX_OUTSTANDING_CMD; i++) 805 arcmsr_done4abort_postqueue(acb);
433 readl(&reg->outbound_queueport);
434 for (i = 0; i < ARCMSR_MAX_FREECCB_NUM; i++) { 806 for (i = 0; i < ARCMSR_MAX_FREECCB_NUM; i++) {
435 struct CommandControlBlock *ccb = acb->pccb_pool[i]; 807 struct CommandControlBlock *ccb = acb->pccb_pool[i];
436 if (ccb->startdone == ARCMSR_CCB_START) { 808 if (ccb->startdone == ARCMSR_CCB_START) {
@@ -477,75 +849,32 @@ static void arcmsr_module_exit(void)
477module_init(arcmsr_module_init); 849module_init(arcmsr_module_init);
478module_exit(arcmsr_module_exit); 850module_exit(arcmsr_module_exit);
479 851
480static u32 arcmsr_disable_outbound_ints(struct AdapterControlBlock *acb) 852static void arcmsr_enable_outbound_ints(struct AdapterControlBlock *acb, \
481{ 853 u32 intmask_org)
482 struct MessageUnit __iomem *reg = acb->pmu;
483 u32 orig_mask = readl(&reg->outbound_intmask);
484
485 writel(orig_mask | ARCMSR_MU_OUTBOUND_ALL_INTMASKENABLE,
486 &reg->outbound_intmask);
487 return orig_mask;
488}
489
490static void arcmsr_enable_outbound_ints(struct AdapterControlBlock *acb,
491 u32 orig_mask)
492{ 854{
493 struct MessageUnit __iomem *reg = acb->pmu;
494 u32 mask; 855 u32 mask;
495 856
496 mask = orig_mask & ~(ARCMSR_MU_OUTBOUND_POSTQUEUE_INTMASKENABLE | 857 switch (acb->adapter_type) {
497 ARCMSR_MU_OUTBOUND_DOORBELL_INTMASKENABLE);
498 writel(mask, &reg->outbound_intmask);
499}
500
501static void arcmsr_flush_adapter_cache(struct AdapterControlBlock *acb)
502{
503 struct MessageUnit __iomem *reg = acb->pmu;
504
505 writel(ARCMSR_INBOUND_MESG0_FLUSH_CACHE, &reg->inbound_msgaddr0);
506 if (arcmsr_wait_msgint_ready(acb))
507 printk(KERN_NOTICE
508 "arcmsr%d: wait 'flush adapter cache' timeout \n"
509 , acb->host->host_no);
510}
511 858
512static void arcmsr_report_sense_info(struct CommandControlBlock *ccb) 859 case ACB_ADAPTER_TYPE_A : {
513{ 860 struct MessageUnit_A __iomem *reg = (struct MessageUnit_A *)acb->pmu;
514 struct scsi_cmnd *pcmd = ccb->pcmd; 861 mask = intmask_org & ~(ARCMSR_MU_OUTBOUND_POSTQUEUE_INTMASKENABLE |
515 struct SENSE_DATA *sensebuffer = (struct SENSE_DATA *)pcmd->sense_buffer; 862 ARCMSR_MU_OUTBOUND_DOORBELL_INTMASKENABLE);
863 writel(mask, &reg->outbound_intmask);
864 acb->outbound_int_enable = ~(intmask_org & mask) & 0x000000ff;
865 }
866 break;
516 867
517 pcmd->result = DID_OK << 16; 868 case ACB_ADAPTER_TYPE_B : {
518 if (sensebuffer) { 869 struct MessageUnit_B *reg = (struct MessageUnit_B *)acb->pmu;
519 int sense_data_length = 870 mask = intmask_org | (ARCMSR_IOP2DRV_DATA_WRITE_OK | \
520 sizeof (struct SENSE_DATA) < sizeof (pcmd->sense_buffer) 871 ARCMSR_IOP2DRV_DATA_READ_OK | ARCMSR_IOP2DRV_CDB_DONE);
521 ? sizeof (struct SENSE_DATA) : sizeof (pcmd->sense_buffer); 872 writel(mask, reg->iop2drv_doorbell_mask_reg);
522 memset(sensebuffer, 0, sizeof (pcmd->sense_buffer)); 873 acb->outbound_int_enable = (intmask_org | mask) & 0x0000000f;
523 memcpy(sensebuffer, ccb->arcmsr_cdb.SenseData, sense_data_length); 874 }
524 sensebuffer->ErrorCode = SCSI_SENSE_CURRENT_ERRORS;
525 sensebuffer->Valid = 1;
526 } 875 }
527} 876}
528 877
529static uint8_t arcmsr_wait_msgint_ready(struct AdapterControlBlock *acb)
530{
531 struct MessageUnit __iomem *reg = acb->pmu;
532 uint32_t Index;
533 uint8_t Retries = 0x00;
534
535 do {
536 for (Index = 0; Index < 100; Index++) {
537 if (readl(&reg->outbound_intstatus)
538 & ARCMSR_MU_OUTBOUND_MESSAGE0_INT) {
539 writel(ARCMSR_MU_OUTBOUND_MESSAGE0_INT
540 , &reg->outbound_intstatus);
541 return 0x00;
542 }
543 msleep_interruptible(10);
544 }/*max 1 seconds*/
545 } while (Retries++ < 20);/*max 20 sec*/
546 return 0xff;
547}
548
549static void arcmsr_build_ccb(struct AdapterControlBlock *acb, 878static void arcmsr_build_ccb(struct AdapterControlBlock *acb,
550 struct CommandControlBlock *ccb, struct scsi_cmnd *pcmd) 879 struct CommandControlBlock *ccb, struct scsi_cmnd *pcmd)
551{ 880{
@@ -556,7 +885,7 @@ static void arcmsr_build_ccb(struct AdapterControlBlock *acb,
556 int nseg; 885 int nseg;
557 886
558 ccb->pcmd = pcmd; 887 ccb->pcmd = pcmd;
559 memset(arcmsr_cdb, 0, sizeof (struct ARCMSR_CDB)); 888 memset(arcmsr_cdb, 0, sizeof(struct ARCMSR_CDB));
560 arcmsr_cdb->Bus = 0; 889 arcmsr_cdb->Bus = 0;
561 arcmsr_cdb->TargetID = pcmd->device->id; 890 arcmsr_cdb->TargetID = pcmd->device->id;
562 arcmsr_cdb->LUN = pcmd->device->lun; 891 arcmsr_cdb->LUN = pcmd->device->lun;
@@ -609,52 +938,85 @@ static void arcmsr_build_ccb(struct AdapterControlBlock *acb,
609 938
610static void arcmsr_post_ccb(struct AdapterControlBlock *acb, struct CommandControlBlock *ccb) 939static void arcmsr_post_ccb(struct AdapterControlBlock *acb, struct CommandControlBlock *ccb)
611{ 940{
612 struct MessageUnit __iomem *reg = acb->pmu;
613 uint32_t cdb_shifted_phyaddr = ccb->cdb_shifted_phyaddr; 941 uint32_t cdb_shifted_phyaddr = ccb->cdb_shifted_phyaddr;
614 struct ARCMSR_CDB *arcmsr_cdb = (struct ARCMSR_CDB *)&ccb->arcmsr_cdb; 942 struct ARCMSR_CDB *arcmsr_cdb = (struct ARCMSR_CDB *)&ccb->arcmsr_cdb;
615
616 atomic_inc(&acb->ccboutstandingcount); 943 atomic_inc(&acb->ccboutstandingcount);
617 ccb->startdone = ARCMSR_CCB_START; 944 ccb->startdone = ARCMSR_CCB_START;
618 if (arcmsr_cdb->Flags & ARCMSR_CDB_FLAG_SGL_BSIZE) 945
619 writel(cdb_shifted_phyaddr | ARCMSR_CCBPOST_FLAG_SGL_BSIZE, 946 switch (acb->adapter_type) {
947 case ACB_ADAPTER_TYPE_A: {
948 struct MessageUnit_A *reg = (struct MessageUnit_A *)acb->pmu;
949
950 if (arcmsr_cdb->Flags & ARCMSR_CDB_FLAG_SGL_BSIZE)
951 writel(cdb_shifted_phyaddr | ARCMSR_CCBPOST_FLAG_SGL_BSIZE,
620 &reg->inbound_queueport); 952 &reg->inbound_queueport);
621 else 953 else {
622 writel(cdb_shifted_phyaddr, &reg->inbound_queueport); 954 writel(cdb_shifted_phyaddr, &reg->inbound_queueport);
623} 955 }
956 }
957 break;
624 958
625void arcmsr_post_Qbuffer(struct AdapterControlBlock *acb) 959 case ACB_ADAPTER_TYPE_B: {
626{ 960 struct MessageUnit_B *reg = (struct MessageUnit_B *)acb->pmu;
627 struct MessageUnit __iomem *reg = acb->pmu; 961 uint32_t ending_index, index = reg->postq_index;
628 struct QBUFFER __iomem *pwbuffer = (struct QBUFFER __iomem *) &reg->message_wbuffer;
629 uint8_t __iomem *iop_data = (uint8_t __iomem *) pwbuffer->data;
630 int32_t allxfer_len = 0;
631 962
632 if (acb->acb_flags & ACB_F_MESSAGE_WQBUFFER_READED) { 963 ending_index = ((index + 1) % ARCMSR_MAX_HBB_POSTQUEUE);
633 acb->acb_flags &= (~ACB_F_MESSAGE_WQBUFFER_READED); 964 writel(0, &reg->post_qbuffer[ending_index]);
634 while ((acb->wqbuf_firstindex != acb->wqbuf_lastindex) 965 if (arcmsr_cdb->Flags & ARCMSR_CDB_FLAG_SGL_BSIZE) {
635 && (allxfer_len < 124)) { 966 writel(cdb_shifted_phyaddr | ARCMSR_CCBPOST_FLAG_SGL_BSIZE,\
636 writeb(acb->wqbuffer[acb->wqbuf_firstindex], iop_data); 967 &reg->post_qbuffer[index]);
637 acb->wqbuf_firstindex++; 968 }
638 acb->wqbuf_firstindex %= ARCMSR_MAX_QBUFFER; 969 else {
639 iop_data++; 970 writel(cdb_shifted_phyaddr, &reg->post_qbuffer[index]);
640 allxfer_len++; 971 }
972 index++;
973 index %= ARCMSR_MAX_HBB_POSTQUEUE;/*if last index number set it to 0 */
974 reg->postq_index = index;
975 writel(ARCMSR_DRV2IOP_CDB_POSTED, reg->drv2iop_doorbell_reg);
641 } 976 }
642 writel(allxfer_len, &pwbuffer->data_len); 977 break;
643 writel(ARCMSR_INBOUND_DRIVER_DATA_WRITE_OK
644 , &reg->inbound_doorbell);
645 } 978 }
646} 979}
647 980
648static void arcmsr_stop_adapter_bgrb(struct AdapterControlBlock *acb) 981static void arcmsr_stop_hba_bgrb(struct AdapterControlBlock *acb)
649{ 982{
650 struct MessageUnit __iomem *reg = acb->pmu; 983 struct MessageUnit_A __iomem *reg = (struct MessageUnit_A *)acb->pmu;
651
652 acb->acb_flags &= ~ACB_F_MSG_START_BGRB; 984 acb->acb_flags &= ~ACB_F_MSG_START_BGRB;
653 writel(ARCMSR_INBOUND_MESG0_STOP_BGRB, &reg->inbound_msgaddr0); 985 writel(ARCMSR_INBOUND_MESG0_STOP_BGRB, &reg->inbound_msgaddr0);
654 if (arcmsr_wait_msgint_ready(acb)) 986
987 if (arcmsr_hba_wait_msgint_ready(acb)) {
988 printk(KERN_NOTICE
989 "arcmsr%d: wait 'stop adapter background rebulid' timeout \n"
990 , acb->host->host_no);
991 }
992}
993
994static void arcmsr_stop_hbb_bgrb(struct AdapterControlBlock *acb)
995{
996 struct MessageUnit_B *reg = (struct MessageUnit_B *)acb->pmu;
997 acb->acb_flags &= ~ACB_F_MSG_START_BGRB;
998 writel(ARCMSR_MESSAGE_STOP_BGRB, reg->drv2iop_doorbell_reg);
999
1000 if (arcmsr_hbb_wait_msgint_ready(acb)) {
655 printk(KERN_NOTICE 1001 printk(KERN_NOTICE
656 "arcmsr%d: wait 'stop adapter background rebulid' timeout \n" 1002 "arcmsr%d: wait 'stop adapter background rebulid' timeout \n"
657 , acb->host->host_no); 1003 , acb->host->host_no);
1004 }
1005}
1006
1007static void arcmsr_stop_adapter_bgrb(struct AdapterControlBlock *acb)
1008{
1009 switch (acb->adapter_type) {
1010 case ACB_ADAPTER_TYPE_A: {
1011 arcmsr_stop_hba_bgrb(acb);
1012 }
1013 break;
1014
1015 case ACB_ADAPTER_TYPE_B: {
1016 arcmsr_stop_hbb_bgrb(acb);
1017 }
1018 break;
1019 }
658} 1020}
659 1021
660static void arcmsr_free_ccb_pool(struct AdapterControlBlock *acb) 1022static void arcmsr_free_ccb_pool(struct AdapterControlBlock *acb)
@@ -665,151 +1027,260 @@ static void arcmsr_free_ccb_pool(struct AdapterControlBlock *acb)
665 acb->dma_coherent_handle); 1027 acb->dma_coherent_handle);
666} 1028}
667 1029
668static irqreturn_t arcmsr_interrupt(struct AdapterControlBlock *acb) 1030void arcmsr_iop_message_read(struct AdapterControlBlock *acb)
669{ 1031{
670 struct MessageUnit __iomem *reg = acb->pmu; 1032 switch (acb->adapter_type) {
671 struct CommandControlBlock *ccb; 1033 case ACB_ADAPTER_TYPE_A: {
672 uint32_t flag_ccb, outbound_intstatus, outbound_doorbell; 1034 struct MessageUnit_A __iomem *reg = (struct MessageUnit_A *)acb->pmu;
1035 writel(ARCMSR_INBOUND_DRIVER_DATA_READ_OK, &reg->inbound_doorbell);
1036 }
1037 break;
673 1038
674 outbound_intstatus = readl(&reg->outbound_intstatus) 1039 case ACB_ADAPTER_TYPE_B: {
675 & acb->outbound_int_enable; 1040 struct MessageUnit_B *reg = (struct MessageUnit_B *)acb->pmu;
676 writel(outbound_intstatus, &reg->outbound_intstatus); 1041 writel(ARCMSR_DRV2IOP_DATA_READ_OK, reg->drv2iop_doorbell_reg);
677 if (outbound_intstatus & ARCMSR_MU_OUTBOUND_DOORBELL_INT) {
678 outbound_doorbell = readl(&reg->outbound_doorbell);
679 writel(outbound_doorbell, &reg->outbound_doorbell);
680 if (outbound_doorbell & ARCMSR_OUTBOUND_IOP331_DATA_WRITE_OK) {
681 struct QBUFFER __iomem * prbuffer =
682 (struct QBUFFER __iomem *) &reg->message_rbuffer;
683 uint8_t __iomem * iop_data = (uint8_t __iomem *)prbuffer->data;
684 int32_t my_empty_len, iop_len, rqbuf_firstindex, rqbuf_lastindex;
685
686 rqbuf_lastindex = acb->rqbuf_lastindex;
687 rqbuf_firstindex = acb->rqbuf_firstindex;
688 iop_len = readl(&prbuffer->data_len);
689 my_empty_len = (rqbuf_firstindex - rqbuf_lastindex - 1)
690 &(ARCMSR_MAX_QBUFFER - 1);
691 if (my_empty_len >= iop_len) {
692 while (iop_len > 0) {
693 acb->rqbuffer[acb->rqbuf_lastindex] = readb(iop_data);
694 acb->rqbuf_lastindex++;
695 acb->rqbuf_lastindex %= ARCMSR_MAX_QBUFFER;
696 iop_data++;
697 iop_len--;
698 }
699 writel(ARCMSR_INBOUND_DRIVER_DATA_READ_OK,
700 &reg->inbound_doorbell);
701 } else
702 acb->acb_flags |= ACB_F_IOPDATA_OVERFLOW;
703 }
704 if (outbound_doorbell & ARCMSR_OUTBOUND_IOP331_DATA_READ_OK) {
705 acb->acb_flags |= ACB_F_MESSAGE_WQBUFFER_READED;
706 if (acb->wqbuf_firstindex != acb->wqbuf_lastindex) {
707 struct QBUFFER __iomem * pwbuffer =
708 (struct QBUFFER __iomem *) &reg->message_wbuffer;
709 uint8_t __iomem * iop_data = (uint8_t __iomem *) pwbuffer->data;
710 int32_t allxfer_len = 0;
711
712 acb->acb_flags &= (~ACB_F_MESSAGE_WQBUFFER_READED);
713 while ((acb->wqbuf_firstindex != acb->wqbuf_lastindex)
714 && (allxfer_len < 124)) {
715 writeb(acb->wqbuffer[acb->wqbuf_firstindex], iop_data);
716 acb->wqbuf_firstindex++;
717 acb->wqbuf_firstindex %= ARCMSR_MAX_QBUFFER;
718 iop_data++;
719 allxfer_len++;
720 }
721 writel(allxfer_len, &pwbuffer->data_len);
722 writel(ARCMSR_INBOUND_DRIVER_DATA_WRITE_OK,
723 &reg->inbound_doorbell);
724 }
725 if (acb->wqbuf_firstindex == acb->wqbuf_lastindex)
726 acb->acb_flags |= ACB_F_MESSAGE_WQBUFFER_CLEARED;
727 } 1042 }
1043 break;
728 } 1044 }
729 if (outbound_intstatus & ARCMSR_MU_OUTBOUND_POSTQUEUE_INT) { 1045}
730 int id, lun; 1046
1047static void arcmsr_iop_message_wrote(struct AdapterControlBlock *acb)
1048{
1049 switch (acb->adapter_type) {
1050 case ACB_ADAPTER_TYPE_A: {
1051 struct MessageUnit_A __iomem *reg = (struct MessageUnit_A *)acb->pmu;
731 /* 1052 /*
732 **************************************************************** 1053 ** push inbound doorbell tell iop, driver data write ok
733 ** areca cdb command done 1054 ** and wait reply on next hwinterrupt for next Qbuffer post
734 ****************************************************************
735 */ 1055 */
736 while (1) { 1056 writel(ARCMSR_INBOUND_DRIVER_DATA_WRITE_OK, &reg->inbound_doorbell);
737 if ((flag_ccb = readl(&reg->outbound_queueport)) == 0xFFFFFFFF) 1057 }
738 break;/*chip FIFO no ccb for completion already*/ 1058 break;
739 /* check if command done with no error*/ 1059
740 ccb = (struct CommandControlBlock *)(acb->vir2phy_offset + 1060 case ACB_ADAPTER_TYPE_B: {
741 (flag_ccb << 5)); 1061 struct MessageUnit_B *reg = (struct MessageUnit_B *)acb->pmu;
742 if ((ccb->acb != acb) || (ccb->startdone != ARCMSR_CCB_START)) { 1062 /*
743 if (ccb->startdone == ARCMSR_CCB_ABORTED) { 1063 ** push inbound doorbell tell iop, driver data write ok
744 struct scsi_cmnd *abortcmd = ccb->pcmd; 1064 ** and wait reply on next hwinterrupt for next Qbuffer post
745 if (abortcmd) { 1065 */
746 abortcmd->result |= DID_ABORT >> 16; 1066 writel(ARCMSR_DRV2IOP_DATA_WRITE_OK, reg->drv2iop_doorbell_reg);
747 arcmsr_ccb_complete(ccb, 1); 1067 }
748 printk(KERN_NOTICE 1068 break;
749 "arcmsr%d: ccb ='0x%p' isr got aborted command \n" 1069 }
750 , acb->host->host_no, ccb); 1070}
751 } 1071
752 continue; 1072struct QBUFFER *arcmsr_get_iop_rqbuffer(struct AdapterControlBlock *acb)
753 } 1073{
754 printk(KERN_NOTICE 1074 static struct QBUFFER *qbuffer;
755 "arcmsr%d: isr get an illegal ccb command done acb = '0x%p'" 1075
756 "ccb = '0x%p' ccbacb = '0x%p' startdone = 0x%x" 1076 switch (acb->adapter_type) {
757 " ccboutstandingcount = %d \n" 1077
758 , acb->host->host_no 1078 case ACB_ADAPTER_TYPE_A: {
759 , acb 1079 struct MessageUnit_A __iomem *reg = (struct MessageUnit_A *)acb->pmu;
760 , ccb 1080 qbuffer = (struct QBUFFER __iomem *) &reg->message_rbuffer;
761 , ccb->acb 1081 }
762 , ccb->startdone 1082 break;
763 , atomic_read(&acb->ccboutstandingcount)); 1083
764 continue; 1084 case ACB_ADAPTER_TYPE_B: {
765 } 1085 struct MessageUnit_B *reg = (struct MessageUnit_B *)acb->pmu;
766 id = ccb->pcmd->device->id; 1086 qbuffer = (struct QBUFFER __iomem *) reg->ioctl_rbuffer_reg;
767 lun = ccb->pcmd->device->lun; 1087 }
768 if (!(flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR)) { 1088 break;
769 if (acb->devstate[id][lun] == ARECA_RAID_GONE) 1089 }
770 acb->devstate[id][lun] = ARECA_RAID_GOOD; 1090 return qbuffer;
771 ccb->pcmd->result = DID_OK << 16; 1091}
772 arcmsr_ccb_complete(ccb, 1); 1092
773 } else { 1093static struct QBUFFER *arcmsr_get_iop_wqbuffer(struct AdapterControlBlock *acb)
774 switch(ccb->arcmsr_cdb.DeviceStatus) { 1094{
775 case ARCMSR_DEV_SELECT_TIMEOUT: { 1095 static struct QBUFFER *pqbuffer;
776 acb->devstate[id][lun] = ARECA_RAID_GONE; 1096
777 ccb->pcmd->result = DID_NO_CONNECT << 16; 1097 switch (acb->adapter_type) {
778 arcmsr_ccb_complete(ccb, 1); 1098
779 } 1099 case ACB_ADAPTER_TYPE_A: {
780 break; 1100 struct MessageUnit_A __iomem *reg = (struct MessageUnit_A *)acb->pmu;
781 case ARCMSR_DEV_ABORTED: 1101 pqbuffer = (struct QBUFFER *) &reg->message_wbuffer;
782 case ARCMSR_DEV_INIT_FAIL: { 1102 }
783 acb->devstate[id][lun] = ARECA_RAID_GONE; 1103 break;
784 ccb->pcmd->result = DID_BAD_TARGET << 16; 1104
785 arcmsr_ccb_complete(ccb, 1); 1105 case ACB_ADAPTER_TYPE_B: {
786 } 1106 struct MessageUnit_B *reg = (struct MessageUnit_B *)acb->pmu;
787 break; 1107 pqbuffer = (struct QBUFFER __iomem *)reg->ioctl_wbuffer_reg;
788 case ARCMSR_DEV_CHECK_CONDITION: { 1108 }
789 acb->devstate[id][lun] = ARECA_RAID_GOOD; 1109 break;
790 arcmsr_report_sense_info(ccb); 1110 }
791 arcmsr_ccb_complete(ccb, 1); 1111 return pqbuffer;
792 } 1112}
793 break; 1113
794 default: 1114static void arcmsr_iop2drv_data_wrote_handle(struct AdapterControlBlock *acb)
795 printk(KERN_NOTICE 1115{
796 "arcmsr%d: scsi id = %d lun = %d" 1116 struct QBUFFER *prbuffer;
797 " isr get command error done, " 1117 struct QBUFFER *pQbuffer;
798 "but got unknown DeviceStatus = 0x%x \n" 1118 uint8_t *iop_data;
799 , acb->host->host_no 1119 int32_t my_empty_len, iop_len, rqbuf_firstindex, rqbuf_lastindex;
800 , id 1120
801 , lun 1121 rqbuf_lastindex = acb->rqbuf_lastindex;
802 , ccb->arcmsr_cdb.DeviceStatus); 1122 rqbuf_firstindex = acb->rqbuf_firstindex;
803 acb->devstate[id][lun] = ARECA_RAID_GONE; 1123 prbuffer = arcmsr_get_iop_rqbuffer(acb);
804 ccb->pcmd->result = DID_NO_CONNECT << 16; 1124 iop_data = (uint8_t *)prbuffer->data;
805 arcmsr_ccb_complete(ccb, 1); 1125 iop_len = prbuffer->data_len;
806 break; 1126 my_empty_len = (rqbuf_firstindex - rqbuf_lastindex -1)&(ARCMSR_MAX_QBUFFER -1);
807 } 1127
808 } 1128 if (my_empty_len >= iop_len)
809 }/*drain reply FIFO*/ 1129 {
1130 while (iop_len > 0) {
1131 pQbuffer = (struct QBUFFER *)&acb->rqbuffer[rqbuf_lastindex];
1132 memcpy(pQbuffer, iop_data,1);
1133 rqbuf_lastindex++;
1134 rqbuf_lastindex %= ARCMSR_MAX_QBUFFER;
1135 iop_data++;
1136 iop_len--;
1137 }
1138 acb->rqbuf_lastindex = rqbuf_lastindex;
1139 arcmsr_iop_message_read(acb);
1140 }
1141
1142 else {
1143 acb->acb_flags |= ACB_F_IOPDATA_OVERFLOW;
1144 }
1145}
1146
1147static void arcmsr_iop2drv_data_read_handle(struct AdapterControlBlock *acb)
1148{
1149 acb->acb_flags |= ACB_F_MESSAGE_WQBUFFER_READED;
1150 if (acb->wqbuf_firstindex != acb->wqbuf_lastindex) {
1151 uint8_t *pQbuffer;
1152 struct QBUFFER *pwbuffer;
1153 uint8_t *iop_data;
1154 int32_t allxfer_len = 0;
1155
1156 acb->acb_flags &= (~ACB_F_MESSAGE_WQBUFFER_READED);
1157 pwbuffer = arcmsr_get_iop_wqbuffer(acb);
1158 iop_data = (uint8_t __iomem *)pwbuffer->data;
1159
1160 while ((acb->wqbuf_firstindex != acb->wqbuf_lastindex) && \
1161 (allxfer_len < 124)) {
1162 pQbuffer = &acb->wqbuffer[acb->wqbuf_firstindex];
1163 memcpy(iop_data, pQbuffer, 1);
1164 acb->wqbuf_firstindex++;
1165 acb->wqbuf_firstindex %= ARCMSR_MAX_QBUFFER;
1166 iop_data++;
1167 allxfer_len++;
1168 }
1169 pwbuffer->data_len = allxfer_len;
1170
1171 arcmsr_iop_message_wrote(acb);
1172 }
1173
1174 if (acb->wqbuf_firstindex == acb->wqbuf_lastindex) {
1175 acb->acb_flags |= ACB_F_MESSAGE_WQBUFFER_CLEARED;
1176 }
1177}
1178
1179static void arcmsr_hba_doorbell_isr(struct AdapterControlBlock *acb)
1180{
1181 uint32_t outbound_doorbell;
1182 struct MessageUnit_A __iomem *reg = (struct MessageUnit_A *)acb->pmu;
1183
1184 outbound_doorbell = readl(&reg->outbound_doorbell);
1185 writel(outbound_doorbell, &reg->outbound_doorbell);
1186 if (outbound_doorbell & ARCMSR_OUTBOUND_IOP331_DATA_WRITE_OK) {
1187 arcmsr_iop2drv_data_wrote_handle(acb);
1188 }
1189
1190 if (outbound_doorbell & ARCMSR_OUTBOUND_IOP331_DATA_READ_OK) {
1191 arcmsr_iop2drv_data_read_handle(acb);
1192 }
1193}
1194
1195static void arcmsr_hba_postqueue_isr(struct AdapterControlBlock *acb)
1196{
1197 uint32_t flag_ccb;
1198 struct MessageUnit_A __iomem *reg = (struct MessageUnit_A *)acb->pmu;
1199
1200 while ((flag_ccb = readl(&reg->outbound_queueport)) != 0xFFFFFFFF) {
1201 arcmsr_drain_donequeue(acb, flag_ccb);
1202 }
1203}
1204
1205static void arcmsr_hbb_postqueue_isr(struct AdapterControlBlock *acb)
1206{
1207 uint32_t index;
1208 uint32_t flag_ccb;
1209 struct MessageUnit_B *reg = (struct MessageUnit_B *)acb->pmu;
1210
1211 index = reg->doneq_index;
1212
1213 while ((flag_ccb = readl(&reg->done_qbuffer[index])) != 0) {
1214 writel(0, &reg->done_qbuffer[index]);
1215 arcmsr_drain_donequeue(acb, flag_ccb);
1216 index++;
1217 index %= ARCMSR_MAX_HBB_POSTQUEUE;
1218 reg->doneq_index = index;
1219 }
1220}
1221
1222static int arcmsr_handle_hba_isr(struct AdapterControlBlock *acb)
1223{
1224 uint32_t outbound_intstatus;
1225 struct MessageUnit_A __iomem *reg = (struct MessageUnit_A *)acb->pmu;
1226
1227 outbound_intstatus = readl(&reg->outbound_intstatus) & \
1228 acb->outbound_int_enable;
1229 if (!(outbound_intstatus & ARCMSR_MU_OUTBOUND_HANDLE_INT)) {
1230 return 1;
1231 }
1232 writel(outbound_intstatus, &reg->outbound_intstatus);
1233 if (outbound_intstatus & ARCMSR_MU_OUTBOUND_DOORBELL_INT) {
1234 arcmsr_hba_doorbell_isr(acb);
1235 }
1236 if (outbound_intstatus & ARCMSR_MU_OUTBOUND_POSTQUEUE_INT) {
1237 arcmsr_hba_postqueue_isr(acb);
1238 }
1239 return 0;
1240}
1241
1242static int arcmsr_handle_hbb_isr(struct AdapterControlBlock *acb)
1243{
1244 uint32_t outbound_doorbell;
1245 struct MessageUnit_B *reg = (struct MessageUnit_B *)acb->pmu;
1246
1247 outbound_doorbell = readl(reg->iop2drv_doorbell_reg) & \
1248 acb->outbound_int_enable;
1249 if (!outbound_doorbell)
1250 return 1;
1251
1252 writel(~outbound_doorbell, reg->iop2drv_doorbell_reg);
1253
1254 if (outbound_doorbell & ARCMSR_IOP2DRV_DATA_WRITE_OK) {
1255 arcmsr_iop2drv_data_wrote_handle(acb);
1256 }
1257 if (outbound_doorbell & ARCMSR_IOP2DRV_DATA_READ_OK) {
1258 arcmsr_iop2drv_data_read_handle(acb);
1259 }
1260 if (outbound_doorbell & ARCMSR_IOP2DRV_CDB_DONE) {
1261 arcmsr_hbb_postqueue_isr(acb);
1262 }
1263
1264 return 0;
1265}
1266
1267static irqreturn_t arcmsr_interrupt(struct AdapterControlBlock *acb)
1268{
1269 switch (acb->adapter_type) {
1270 case ACB_ADAPTER_TYPE_A: {
1271 if (arcmsr_handle_hba_isr(acb)) {
1272 return IRQ_NONE;
1273 }
1274 }
1275 break;
1276
1277 case ACB_ADAPTER_TYPE_B: {
1278 if (arcmsr_handle_hbb_isr(acb)) {
1279 return IRQ_NONE;
1280 }
1281 }
1282 break;
810 } 1283 }
811 if (!(outbound_intstatus & ARCMSR_MU_OUTBOUND_HANDLE_INT))
812 return IRQ_NONE;
813 return IRQ_HANDLED; 1284 return IRQ_HANDLED;
814} 1285}
815 1286
@@ -818,16 +1289,47 @@ static void arcmsr_iop_parking(struct AdapterControlBlock *acb)
818 if (acb) { 1289 if (acb) {
819 /* stop adapter background rebuild */ 1290 /* stop adapter background rebuild */
820 if (acb->acb_flags & ACB_F_MSG_START_BGRB) { 1291 if (acb->acb_flags & ACB_F_MSG_START_BGRB) {
1292 uint32_t intmask_org;
821 acb->acb_flags &= ~ACB_F_MSG_START_BGRB; 1293 acb->acb_flags &= ~ACB_F_MSG_START_BGRB;
1294 intmask_org = arcmsr_disable_outbound_ints(acb);
822 arcmsr_stop_adapter_bgrb(acb); 1295 arcmsr_stop_adapter_bgrb(acb);
823 arcmsr_flush_adapter_cache(acb); 1296 arcmsr_flush_adapter_cache(acb);
1297 arcmsr_enable_outbound_ints(acb, intmask_org);
824 } 1298 }
825 } 1299 }
826} 1300}
827 1301
828static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb, struct scsi_cmnd *cmd) 1302void arcmsr_post_ioctldata2iop(struct AdapterControlBlock *acb)
1303{
1304 int32_t wqbuf_firstindex, wqbuf_lastindex;
1305 uint8_t *pQbuffer;
1306 struct QBUFFER *pwbuffer;
1307 uint8_t *iop_data;
1308 int32_t allxfer_len = 0;
1309
1310 pwbuffer = arcmsr_get_iop_wqbuffer(acb);
1311 iop_data = (uint8_t __iomem *)pwbuffer->data;
1312 if (acb->acb_flags & ACB_F_MESSAGE_WQBUFFER_READED) {
1313 acb->acb_flags &= (~ACB_F_MESSAGE_WQBUFFER_READED);
1314 wqbuf_firstindex = acb->wqbuf_firstindex;
1315 wqbuf_lastindex = acb->wqbuf_lastindex;
1316 while ((wqbuf_firstindex != wqbuf_lastindex) && (allxfer_len < 124)) {
1317 pQbuffer = &acb->wqbuffer[wqbuf_firstindex];
1318 memcpy(iop_data, pQbuffer, 1);
1319 wqbuf_firstindex++;
1320 wqbuf_firstindex %= ARCMSR_MAX_QBUFFER;
1321 iop_data++;
1322 allxfer_len++;
1323 }
1324 acb->wqbuf_firstindex = wqbuf_firstindex;
1325 pwbuffer->data_len = allxfer_len;
1326 arcmsr_iop_message_wrote(acb);
1327 }
1328}
1329
1330static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb, \
1331 struct scsi_cmnd *cmd)
829{ 1332{
830 struct MessageUnit __iomem *reg = acb->pmu;
831 struct CMD_MESSAGE_FIELD *pcmdmessagefld; 1333 struct CMD_MESSAGE_FIELD *pcmdmessagefld;
832 int retvalue = 0, transfer_len = 0; 1334 int retvalue = 0, transfer_len = 0;
833 char *buffer; 1335 char *buffer;
@@ -836,7 +1338,7 @@ static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb, struct scsi_
836 (uint32_t ) cmd->cmnd[6] << 16 | 1338 (uint32_t ) cmd->cmnd[6] << 16 |
837 (uint32_t ) cmd->cmnd[7] << 8 | 1339 (uint32_t ) cmd->cmnd[7] << 8 |
838 (uint32_t ) cmd->cmnd[8]; 1340 (uint32_t ) cmd->cmnd[8];
839 /* 4 bytes: Areca io control code */ 1341 /* 4 bytes: Areca io control code */
840 1342
841 sg = scsi_sglist(cmd); 1343 sg = scsi_sglist(cmd);
842 buffer = kmap_atomic(sg->page, KM_IRQ0) + sg->offset; 1344 buffer = kmap_atomic(sg->page, KM_IRQ0) + sg->offset;
@@ -852,194 +1354,199 @@ static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb, struct scsi_
852 } 1354 }
853 pcmdmessagefld = (struct CMD_MESSAGE_FIELD *) buffer; 1355 pcmdmessagefld = (struct CMD_MESSAGE_FIELD *) buffer;
854 switch(controlcode) { 1356 switch(controlcode) {
1357
855 case ARCMSR_MESSAGE_READ_RQBUFFER: { 1358 case ARCMSR_MESSAGE_READ_RQBUFFER: {
856 unsigned long *ver_addr; 1359 unsigned long *ver_addr;
857 dma_addr_t buf_handle; 1360 dma_addr_t buf_handle;
858 uint8_t *pQbuffer, *ptmpQbuffer; 1361 uint8_t *pQbuffer, *ptmpQbuffer;
859 int32_t allxfer_len = 0; 1362 int32_t allxfer_len = 0;
1363
1364 ver_addr = pci_alloc_consistent(acb->pdev, 1032, &buf_handle);
1365 if (!ver_addr) {
1366 retvalue = ARCMSR_MESSAGE_FAIL;
1367 goto message_out;
1368 }
1369 ptmpQbuffer = (uint8_t *) ver_addr;
1370 while ((acb->rqbuf_firstindex != acb->rqbuf_lastindex)
1371 && (allxfer_len < 1031)) {
1372 pQbuffer = &acb->rqbuffer[acb->rqbuf_firstindex];
1373 memcpy(ptmpQbuffer, pQbuffer, 1);
1374 acb->rqbuf_firstindex++;
1375 acb->rqbuf_firstindex %= ARCMSR_MAX_QBUFFER;
1376 ptmpQbuffer++;
1377 allxfer_len++;
1378 }
1379 if (acb->acb_flags & ACB_F_IOPDATA_OVERFLOW) {
860 1380
861 ver_addr = pci_alloc_consistent(acb->pdev, 1032, &buf_handle); 1381 struct QBUFFER *prbuffer;
862 if (!ver_addr) { 1382 uint8_t *iop_data;
863 retvalue = ARCMSR_MESSAGE_FAIL; 1383 int32_t iop_len;
864 goto message_out; 1384
865 } 1385 acb->acb_flags &= ~ACB_F_IOPDATA_OVERFLOW;
866 ptmpQbuffer = (uint8_t *) ver_addr; 1386 prbuffer = arcmsr_get_iop_rqbuffer(acb);
867 while ((acb->rqbuf_firstindex != acb->rqbuf_lastindex) 1387 iop_data = (uint8_t *)prbuffer->data;
868 && (allxfer_len < 1031)) { 1388 iop_len = readl(&prbuffer->data_len);
869 pQbuffer = &acb->rqbuffer[acb->rqbuf_firstindex]; 1389 while (iop_len > 0) {
870 memcpy(ptmpQbuffer, pQbuffer, 1); 1390 acb->rqbuffer[acb->rqbuf_lastindex] = readb(iop_data);
871 acb->rqbuf_firstindex++; 1391 acb->rqbuf_lastindex++;
872 acb->rqbuf_firstindex %= ARCMSR_MAX_QBUFFER; 1392 acb->rqbuf_lastindex %= ARCMSR_MAX_QBUFFER;
873 ptmpQbuffer++; 1393 iop_data++;
874 allxfer_len++; 1394 iop_len--;
875 }
876 if (acb->acb_flags & ACB_F_IOPDATA_OVERFLOW) {
877 struct QBUFFER __iomem * prbuffer = (struct QBUFFER __iomem *)
878 &reg->message_rbuffer;
879 uint8_t __iomem * iop_data = (uint8_t __iomem *)prbuffer->data;
880 int32_t iop_len;
881
882 acb->acb_flags &= ~ACB_F_IOPDATA_OVERFLOW;
883 iop_len = readl(&prbuffer->data_len);
884 while (iop_len > 0) {
885 acb->rqbuffer[acb->rqbuf_lastindex] = readb(iop_data);
886 acb->rqbuf_lastindex++;
887 acb->rqbuf_lastindex %= ARCMSR_MAX_QBUFFER;
888 iop_data++;
889 iop_len--;
890 }
891 writel(ARCMSR_INBOUND_DRIVER_DATA_READ_OK,
892 &reg->inbound_doorbell);
893 } 1395 }
894 memcpy(pcmdmessagefld->messagedatabuffer, 1396 arcmsr_iop_message_read(acb);
895 (uint8_t *)ver_addr, allxfer_len); 1397 }
896 pcmdmessagefld->cmdmessage.Length = allxfer_len; 1398 memcpy(pcmdmessagefld->messagedatabuffer, (uint8_t *)ver_addr, allxfer_len);
897 pcmdmessagefld->cmdmessage.ReturnCode = ARCMSR_MESSAGE_RETURNCODE_OK; 1399 pcmdmessagefld->cmdmessage.Length = allxfer_len;
898 pci_free_consistent(acb->pdev, 1032, ver_addr, buf_handle); 1400 pcmdmessagefld->cmdmessage.ReturnCode = ARCMSR_MESSAGE_RETURNCODE_OK;
1401 pci_free_consistent(acb->pdev, 1032, ver_addr, buf_handle);
899 } 1402 }
900 break; 1403 break;
901 case ARCMSR_MESSAGE_WRITE_WQBUFFER: {
902 unsigned long *ver_addr;
903 dma_addr_t buf_handle;
904 int32_t my_empty_len, user_len, wqbuf_firstindex, wqbuf_lastindex;
905 uint8_t *pQbuffer, *ptmpuserbuffer;
906 1404
907 ver_addr = pci_alloc_consistent(acb->pdev, 1032, &buf_handle); 1405 case ARCMSR_MESSAGE_WRITE_WQBUFFER: {
908 if (!ver_addr) { 1406 unsigned long *ver_addr;
909 retvalue = ARCMSR_MESSAGE_FAIL; 1407 dma_addr_t buf_handle;
910 goto message_out; 1408 int32_t my_empty_len, user_len, wqbuf_firstindex, wqbuf_lastindex;
911 } 1409 uint8_t *pQbuffer, *ptmpuserbuffer;
912 ptmpuserbuffer = (uint8_t *)ver_addr; 1410
913 user_len = pcmdmessagefld->cmdmessage.Length; 1411 ver_addr = pci_alloc_consistent(acb->pdev, 1032, &buf_handle);
914 memcpy(ptmpuserbuffer, pcmdmessagefld->messagedatabuffer, user_len); 1412 if (!ver_addr) {
915 wqbuf_lastindex = acb->wqbuf_lastindex; 1413 retvalue = ARCMSR_MESSAGE_FAIL;
916 wqbuf_firstindex = acb->wqbuf_firstindex; 1414 goto message_out;
917 if (wqbuf_lastindex != wqbuf_firstindex) { 1415 }
1416 ptmpuserbuffer = (uint8_t *)ver_addr;
1417 user_len = pcmdmessagefld->cmdmessage.Length;
1418 memcpy(ptmpuserbuffer, pcmdmessagefld->messagedatabuffer, user_len);
1419 wqbuf_lastindex = acb->wqbuf_lastindex;
1420 wqbuf_firstindex = acb->wqbuf_firstindex;
1421 if (wqbuf_lastindex != wqbuf_firstindex) {
1422 struct SENSE_DATA *sensebuffer =
1423 (struct SENSE_DATA *)cmd->sense_buffer;
1424 arcmsr_post_ioctldata2iop(acb);
1425 /* has error report sensedata */
1426 sensebuffer->ErrorCode = 0x70;
1427 sensebuffer->SenseKey = ILLEGAL_REQUEST;
1428 sensebuffer->AdditionalSenseLength = 0x0A;
1429 sensebuffer->AdditionalSenseCode = 0x20;
1430 sensebuffer->Valid = 1;
1431 retvalue = ARCMSR_MESSAGE_FAIL;
1432 } else {
1433 my_empty_len = (wqbuf_firstindex-wqbuf_lastindex - 1)
1434 &(ARCMSR_MAX_QBUFFER - 1);
1435 if (my_empty_len >= user_len) {
1436 while (user_len > 0) {
1437 pQbuffer =
1438 &acb->wqbuffer[acb->wqbuf_lastindex];
1439 memcpy(pQbuffer, ptmpuserbuffer, 1);
1440 acb->wqbuf_lastindex++;
1441 acb->wqbuf_lastindex %= ARCMSR_MAX_QBUFFER;
1442 ptmpuserbuffer++;
1443 user_len--;
1444 }
1445 if (acb->acb_flags & ACB_F_MESSAGE_WQBUFFER_CLEARED) {
1446 acb->acb_flags &=
1447 ~ACB_F_MESSAGE_WQBUFFER_CLEARED;
1448 arcmsr_post_ioctldata2iop(acb);
1449 }
1450 } else {
1451 /* has error report sensedata */
918 struct SENSE_DATA *sensebuffer = 1452 struct SENSE_DATA *sensebuffer =
919 (struct SENSE_DATA *)cmd->sense_buffer; 1453 (struct SENSE_DATA *)cmd->sense_buffer;
920 arcmsr_post_Qbuffer(acb);
921 /* has error report sensedata */
922 sensebuffer->ErrorCode = 0x70; 1454 sensebuffer->ErrorCode = 0x70;
923 sensebuffer->SenseKey = ILLEGAL_REQUEST; 1455 sensebuffer->SenseKey = ILLEGAL_REQUEST;
924 sensebuffer->AdditionalSenseLength = 0x0A; 1456 sensebuffer->AdditionalSenseLength = 0x0A;
925 sensebuffer->AdditionalSenseCode = 0x20; 1457 sensebuffer->AdditionalSenseCode = 0x20;
926 sensebuffer->Valid = 1; 1458 sensebuffer->Valid = 1;
927 retvalue = ARCMSR_MESSAGE_FAIL; 1459 retvalue = ARCMSR_MESSAGE_FAIL;
928 } else { 1460 }
929 my_empty_len = (wqbuf_firstindex-wqbuf_lastindex - 1)
930 &(ARCMSR_MAX_QBUFFER - 1);
931 if (my_empty_len >= user_len) {
932 while (user_len > 0) {
933 pQbuffer =
934 &acb->wqbuffer[acb->wqbuf_lastindex];
935 memcpy(pQbuffer, ptmpuserbuffer, 1);
936 acb->wqbuf_lastindex++;
937 acb->wqbuf_lastindex %= ARCMSR_MAX_QBUFFER;
938 ptmpuserbuffer++;
939 user_len--;
940 }
941 if (acb->acb_flags & ACB_F_MESSAGE_WQBUFFER_CLEARED) {
942 acb->acb_flags &=
943 ~ACB_F_MESSAGE_WQBUFFER_CLEARED;
944 arcmsr_post_Qbuffer(acb);
945 }
946 } else {
947 /* has error report sensedata */
948 struct SENSE_DATA *sensebuffer =
949 (struct SENSE_DATA *)cmd->sense_buffer;
950 sensebuffer->ErrorCode = 0x70;
951 sensebuffer->SenseKey = ILLEGAL_REQUEST;
952 sensebuffer->AdditionalSenseLength = 0x0A;
953 sensebuffer->AdditionalSenseCode = 0x20;
954 sensebuffer->Valid = 1;
955 retvalue = ARCMSR_MESSAGE_FAIL;
956 }
957 } 1461 }
958 pci_free_consistent(acb->pdev, 1032, ver_addr, buf_handle); 1462 pci_free_consistent(acb->pdev, 1032, ver_addr, buf_handle);
959 } 1463 }
960 break; 1464 break;
1465
961 case ARCMSR_MESSAGE_CLEAR_RQBUFFER: { 1466 case ARCMSR_MESSAGE_CLEAR_RQBUFFER: {
962 uint8_t *pQbuffer = acb->rqbuffer; 1467 uint8_t *pQbuffer = acb->rqbuffer;
963 1468
964 if (acb->acb_flags & ACB_F_IOPDATA_OVERFLOW) { 1469 if (acb->acb_flags & ACB_F_IOPDATA_OVERFLOW) {
965 acb->acb_flags &= ~ACB_F_IOPDATA_OVERFLOW; 1470 acb->acb_flags &= ~ACB_F_IOPDATA_OVERFLOW;
966 writel(ARCMSR_INBOUND_DRIVER_DATA_READ_OK, 1471 arcmsr_iop_message_read(acb);
967 &reg->inbound_doorbell); 1472 }
968 } 1473 acb->acb_flags |= ACB_F_MESSAGE_RQBUFFER_CLEARED;
969 acb->acb_flags |= ACB_F_MESSAGE_RQBUFFER_CLEARED; 1474 acb->rqbuf_firstindex = 0;
970 acb->rqbuf_firstindex = 0; 1475 acb->rqbuf_lastindex = 0;
971 acb->rqbuf_lastindex = 0; 1476 memset(pQbuffer, 0, ARCMSR_MAX_QBUFFER);
972 memset(pQbuffer, 0, ARCMSR_MAX_QBUFFER); 1477 pcmdmessagefld->cmdmessage.ReturnCode = ARCMSR_MESSAGE_RETURNCODE_OK;
973 pcmdmessagefld->cmdmessage.ReturnCode =
974 ARCMSR_MESSAGE_RETURNCODE_OK;
975 } 1478 }
976 break; 1479 break;
1480
977 case ARCMSR_MESSAGE_CLEAR_WQBUFFER: { 1481 case ARCMSR_MESSAGE_CLEAR_WQBUFFER: {
978 uint8_t *pQbuffer = acb->wqbuffer; 1482 uint8_t *pQbuffer = acb->wqbuffer;
979 1483
980 if (acb->acb_flags & ACB_F_IOPDATA_OVERFLOW) { 1484 if (acb->acb_flags & ACB_F_IOPDATA_OVERFLOW) {
981 acb->acb_flags &= ~ACB_F_IOPDATA_OVERFLOW; 1485 acb->acb_flags &= ~ACB_F_IOPDATA_OVERFLOW;
982 writel(ARCMSR_INBOUND_DRIVER_DATA_READ_OK 1486 arcmsr_iop_message_read(acb);
983 , &reg->inbound_doorbell); 1487 }
984 } 1488 acb->acb_flags |=
985 acb->acb_flags |= 1489 (ACB_F_MESSAGE_WQBUFFER_CLEARED |
986 (ACB_F_MESSAGE_WQBUFFER_CLEARED | 1490 ACB_F_MESSAGE_WQBUFFER_READED);
987 ACB_F_MESSAGE_WQBUFFER_READED); 1491 acb->wqbuf_firstindex = 0;
988 acb->wqbuf_firstindex = 0; 1492 acb->wqbuf_lastindex = 0;
989 acb->wqbuf_lastindex = 0; 1493 memset(pQbuffer, 0, ARCMSR_MAX_QBUFFER);
990 memset(pQbuffer, 0, ARCMSR_MAX_QBUFFER); 1494 pcmdmessagefld->cmdmessage.ReturnCode =
991 pcmdmessagefld->cmdmessage.ReturnCode = 1495 ARCMSR_MESSAGE_RETURNCODE_OK;
992 ARCMSR_MESSAGE_RETURNCODE_OK;
993 } 1496 }
994 break; 1497 break;
1498
995 case ARCMSR_MESSAGE_CLEAR_ALLQBUFFER: { 1499 case ARCMSR_MESSAGE_CLEAR_ALLQBUFFER: {
996 uint8_t *pQbuffer; 1500 uint8_t *pQbuffer;
997 1501
998 if (acb->acb_flags & ACB_F_IOPDATA_OVERFLOW) { 1502 if (acb->acb_flags & ACB_F_IOPDATA_OVERFLOW) {
999 acb->acb_flags &= ~ACB_F_IOPDATA_OVERFLOW; 1503 acb->acb_flags &= ~ACB_F_IOPDATA_OVERFLOW;
1000 writel(ARCMSR_INBOUND_DRIVER_DATA_READ_OK 1504 arcmsr_iop_message_read(acb);
1001 , &reg->inbound_doorbell); 1505 }
1002 } 1506 acb->acb_flags |=
1003 acb->acb_flags |= 1507 (ACB_F_MESSAGE_WQBUFFER_CLEARED
1004 (ACB_F_MESSAGE_WQBUFFER_CLEARED 1508 | ACB_F_MESSAGE_RQBUFFER_CLEARED
1005 | ACB_F_MESSAGE_RQBUFFER_CLEARED 1509 | ACB_F_MESSAGE_WQBUFFER_READED);
1006 | ACB_F_MESSAGE_WQBUFFER_READED); 1510 acb->rqbuf_firstindex = 0;
1007 acb->rqbuf_firstindex = 0; 1511 acb->rqbuf_lastindex = 0;
1008 acb->rqbuf_lastindex = 0; 1512 acb->wqbuf_firstindex = 0;
1009 acb->wqbuf_firstindex = 0; 1513 acb->wqbuf_lastindex = 0;
1010 acb->wqbuf_lastindex = 0; 1514 pQbuffer = acb->rqbuffer;
1011 pQbuffer = acb->rqbuffer; 1515 memset(pQbuffer, 0, sizeof(struct QBUFFER));
1012 memset(pQbuffer, 0, sizeof (struct QBUFFER)); 1516 pQbuffer = acb->wqbuffer;
1013 pQbuffer = acb->wqbuffer; 1517 memset(pQbuffer, 0, sizeof(struct QBUFFER));
1014 memset(pQbuffer, 0, sizeof (struct QBUFFER)); 1518 pcmdmessagefld->cmdmessage.ReturnCode = ARCMSR_MESSAGE_RETURNCODE_OK;
1015 pcmdmessagefld->cmdmessage.ReturnCode = ARCMSR_MESSAGE_RETURNCODE_OK;
1016 } 1519 }
1017 break; 1520 break;
1521
1018 case ARCMSR_MESSAGE_RETURN_CODE_3F: { 1522 case ARCMSR_MESSAGE_RETURN_CODE_3F: {
1019 pcmdmessagefld->cmdmessage.ReturnCode = ARCMSR_MESSAGE_RETURNCODE_3F; 1523 pcmdmessagefld->cmdmessage.ReturnCode = ARCMSR_MESSAGE_RETURNCODE_3F;
1020 } 1524 }
1021 break; 1525 break;
1526
1022 case ARCMSR_MESSAGE_SAY_HELLO: { 1527 case ARCMSR_MESSAGE_SAY_HELLO: {
1023 int8_t * hello_string = "Hello! I am ARCMSR"; 1528 int8_t *hello_string = "Hello! I am ARCMSR";
1024 1529
1025 memcpy(pcmdmessagefld->messagedatabuffer, hello_string 1530 memcpy(pcmdmessagefld->messagedatabuffer, hello_string
1026 , (int16_t)strlen(hello_string)); 1531 , (int16_t)strlen(hello_string));
1027 pcmdmessagefld->cmdmessage.ReturnCode = ARCMSR_MESSAGE_RETURNCODE_OK; 1532 pcmdmessagefld->cmdmessage.ReturnCode = ARCMSR_MESSAGE_RETURNCODE_OK;
1028 } 1533 }
1029 break; 1534 break;
1535
1030 case ARCMSR_MESSAGE_SAY_GOODBYE: 1536 case ARCMSR_MESSAGE_SAY_GOODBYE:
1031 arcmsr_iop_parking(acb); 1537 arcmsr_iop_parking(acb);
1032 break; 1538 break;
1539
1033 case ARCMSR_MESSAGE_FLUSH_ADAPTER_CACHE: 1540 case ARCMSR_MESSAGE_FLUSH_ADAPTER_CACHE:
1034 arcmsr_flush_adapter_cache(acb); 1541 arcmsr_flush_adapter_cache(acb);
1035 break; 1542 break;
1543
1036 default: 1544 default:
1037 retvalue = ARCMSR_MESSAGE_FAIL; 1545 retvalue = ARCMSR_MESSAGE_FAIL;
1038 } 1546 }
1039 message_out: 1547 message_out:
1040 sg = scsi_sglist(cmd); 1548 sg = scsi_sglist(cmd);
1041 kunmap_atomic(buffer - sg->offset, KM_IRQ0); 1549 kunmap_atomic(buffer - sg->offset, KM_IRQ0);
1042
1043 return retvalue; 1550 return retvalue;
1044} 1551}
1045 1552
@@ -1109,8 +1616,7 @@ static int arcmsr_queue_command(struct scsi_cmnd *cmd,
1109 void (* done)(struct scsi_cmnd *)) 1616 void (* done)(struct scsi_cmnd *))
1110{ 1617{
1111 struct Scsi_Host *host = cmd->device->host; 1618 struct Scsi_Host *host = cmd->device->host;
1112 struct AdapterControlBlock *acb = 1619 struct AdapterControlBlock *acb = (struct AdapterControlBlock *) host->hostdata;
1113 (struct AdapterControlBlock *) host->hostdata;
1114 struct CommandControlBlock *ccb; 1620 struct CommandControlBlock *ccb;
1115 int target = cmd->device->id; 1621 int target = cmd->device->id;
1116 int lun = cmd->device->lun; 1622 int lun = cmd->device->lun;
@@ -1153,26 +1659,27 @@ static int arcmsr_queue_command(struct scsi_cmnd *cmd,
1153 ccb = arcmsr_get_freeccb(acb); 1659 ccb = arcmsr_get_freeccb(acb);
1154 if (!ccb) 1660 if (!ccb)
1155 return SCSI_MLQUEUE_HOST_BUSY; 1661 return SCSI_MLQUEUE_HOST_BUSY;
1662
1156 arcmsr_build_ccb(acb, ccb, cmd); 1663 arcmsr_build_ccb(acb, ccb, cmd);
1157 arcmsr_post_ccb(acb, ccb); 1664 arcmsr_post_ccb(acb, ccb);
1158 return 0; 1665 return 0;
1159} 1666}
1160 1667
1161static void arcmsr_get_firmware_spec(struct AdapterControlBlock *acb) 1668static void arcmsr_get_hba_config(struct AdapterControlBlock *acb)
1162{ 1669{
1163 struct MessageUnit __iomem *reg = acb->pmu; 1670 struct MessageUnit_A __iomem *reg = (struct MessageUnit_A *)acb->pmu;
1164 char *acb_firm_model = acb->firm_model; 1671 char *acb_firm_model = acb->firm_model;
1165 char *acb_firm_version = acb->firm_version; 1672 char *acb_firm_version = acb->firm_version;
1166 char __iomem *iop_firm_model = (char __iomem *) &reg->message_rwbuffer[15]; 1673 char *iop_firm_model = (char *) (&reg->message_rwbuffer[15]);
1167 char __iomem *iop_firm_version = (char __iomem *) &reg->message_rwbuffer[17]; 1674 char *iop_firm_version = (char *) (&reg->message_rwbuffer[17]);
1168 int count; 1675 int count;
1169 1676
1170 writel(ARCMSR_INBOUND_MESG0_GET_CONFIG, &reg->inbound_msgaddr0); 1677 writel(ARCMSR_INBOUND_MESG0_GET_CONFIG, &reg->inbound_msgaddr0);
1171 if (arcmsr_wait_msgint_ready(acb)) 1678 if (arcmsr_hba_wait_msgint_ready(acb)) {
1172 printk(KERN_NOTICE 1679 printk(KERN_NOTICE "arcmsr%d: wait 'get adapter firmware \
1173 "arcmsr%d: wait " 1680 miscellaneous data' timeout \n", acb->host->host_no);
1174 "'get adapter firmware miscellaneous data' timeout \n" 1681 }
1175 , acb->host->host_no); 1682
1176 count = 8; 1683 count = 8;
1177 while (count) { 1684 while (count) {
1178 *acb_firm_model = readb(iop_firm_model); 1685 *acb_firm_model = readb(iop_firm_model);
@@ -1180,6 +1687,7 @@ static void arcmsr_get_firmware_spec(struct AdapterControlBlock *acb)
1180 iop_firm_model++; 1687 iop_firm_model++;
1181 count--; 1688 count--;
1182 } 1689 }
1690
1183 count = 16; 1691 count = 16;
1184 while (count) { 1692 while (count) {
1185 *acb_firm_version = readb(iop_firm_version); 1693 *acb_firm_version = readb(iop_firm_version);
@@ -1187,28 +1695,93 @@ static void arcmsr_get_firmware_spec(struct AdapterControlBlock *acb)
1187 iop_firm_version++; 1695 iop_firm_version++;
1188 count--; 1696 count--;
1189 } 1697 }
1190 printk(KERN_INFO 1698
1191 "ARECA RAID ADAPTER%d: FIRMWARE VERSION %s \n" 1699 printk(KERN_INFO "ARECA RAID ADAPTER%d: FIRMWARE VERSION %s \n"
1192 , acb->host->host_no 1700 , acb->host->host_no
1193 , acb->firm_version); 1701 , acb->firm_version);
1702
1194 acb->firm_request_len = readl(&reg->message_rwbuffer[1]); 1703 acb->firm_request_len = readl(&reg->message_rwbuffer[1]);
1195 acb->firm_numbers_queue = readl(&reg->message_rwbuffer[2]); 1704 acb->firm_numbers_queue = readl(&reg->message_rwbuffer[2]);
1196 acb->firm_sdram_size = readl(&reg->message_rwbuffer[3]); 1705 acb->firm_sdram_size = readl(&reg->message_rwbuffer[3]);
1197 acb->firm_hd_channels = readl(&reg->message_rwbuffer[4]); 1706 acb->firm_hd_channels = readl(&reg->message_rwbuffer[4]);
1198} 1707}
1199 1708
1200static void arcmsr_polling_ccbdone(struct AdapterControlBlock *acb, 1709static void arcmsr_get_hbb_config(struct AdapterControlBlock *acb)
1710{
1711 struct MessageUnit_B *reg = (struct MessageUnit_B *)acb->pmu;
1712 uint32_t *lrwbuffer = reg->msgcode_rwbuffer_reg;
1713 char *acb_firm_model = acb->firm_model;
1714 char *acb_firm_version = acb->firm_version;
1715 char *iop_firm_model = (char *) (&lrwbuffer[15]);
1716 /*firm_model,15,60-67*/
1717 char *iop_firm_version = (char *) (&lrwbuffer[17]);
1718 /*firm_version,17,68-83*/
1719 int count;
1720
1721 writel(ARCMSR_MESSAGE_GET_CONFIG, reg->drv2iop_doorbell_reg);
1722 if (arcmsr_hbb_wait_msgint_ready(acb)) {
1723 printk(KERN_NOTICE "arcmsr%d: wait 'get adapter firmware \
1724 miscellaneous data' timeout \n", acb->host->host_no);
1725 }
1726
1727 count = 8;
1728 while (count)
1729 {
1730 *acb_firm_model = readb(iop_firm_model);
1731 acb_firm_model++;
1732 iop_firm_model++;
1733 count--;
1734 }
1735
1736 count = 16;
1737 while (count)
1738 {
1739 *acb_firm_version = readb(iop_firm_version);
1740 acb_firm_version++;
1741 iop_firm_version++;
1742 count--;
1743 }
1744
1745 printk(KERN_INFO "ARECA RAID ADAPTER%d: FIRMWARE VERSION %s \n",
1746 acb->host->host_no,
1747 acb->firm_version);
1748
1749 lrwbuffer++;
1750 acb->firm_request_len = readl(lrwbuffer++);
1751 /*firm_request_len,1,04-07*/
1752 acb->firm_numbers_queue = readl(lrwbuffer++);
1753 /*firm_numbers_queue,2,08-11*/
1754 acb->firm_sdram_size = readl(lrwbuffer++);
1755 /*firm_sdram_size,3,12-15*/
1756 acb->firm_hd_channels = readl(lrwbuffer);
1757 /*firm_ide_channels,4,16-19*/
1758}
1759
1760static void arcmsr_get_firmware_spec(struct AdapterControlBlock *acb)
1761{
1762 switch (acb->adapter_type) {
1763 case ACB_ADAPTER_TYPE_A: {
1764 arcmsr_get_hba_config(acb);
1765 }
1766 break;
1767
1768 case ACB_ADAPTER_TYPE_B: {
1769 arcmsr_get_hbb_config(acb);
1770 }
1771 break;
1772 }
1773}
1774
1775static void arcmsr_polling_hba_ccbdone(struct AdapterControlBlock *acb,
1201 struct CommandControlBlock *poll_ccb) 1776 struct CommandControlBlock *poll_ccb)
1202{ 1777{
1203 struct MessageUnit __iomem *reg = acb->pmu; 1778 struct MessageUnit_A __iomem *reg = (struct MessageUnit_A *)acb->pmu;
1204 struct CommandControlBlock *ccb; 1779 struct CommandControlBlock *ccb;
1205 uint32_t flag_ccb, outbound_intstatus, poll_ccb_done = 0, poll_count = 0; 1780 uint32_t flag_ccb, outbound_intstatus, poll_ccb_done = 0, poll_count = 0;
1206 int id, lun;
1207 1781
1208 polling_ccb_retry: 1782 polling_hba_ccb_retry:
1209 poll_count++; 1783 poll_count++;
1210 outbound_intstatus = readl(&reg->outbound_intstatus) 1784 outbound_intstatus = readl(&reg->outbound_intstatus) & acb->outbound_int_enable;
1211 & acb->outbound_int_enable;
1212 writel(outbound_intstatus, &reg->outbound_intstatus);/*clear interrupt*/ 1785 writel(outbound_intstatus, &reg->outbound_intstatus);/*clear interrupt*/
1213 while (1) { 1786 while (1) {
1214 if ((flag_ccb = readl(&reg->outbound_queueport)) == 0xFFFFFFFF) { 1787 if ((flag_ccb = readl(&reg->outbound_queueport)) == 0xFFFFFFFF) {
@@ -1218,17 +1791,14 @@ static void arcmsr_polling_ccbdone(struct AdapterControlBlock *acb,
1218 msleep(25); 1791 msleep(25);
1219 if (poll_count > 100) 1792 if (poll_count > 100)
1220 break; 1793 break;
1221 goto polling_ccb_retry; 1794 goto polling_hba_ccb_retry;
1222 } 1795 }
1223 } 1796 }
1224 ccb = (struct CommandControlBlock *) 1797 ccb = (struct CommandControlBlock *)(acb->vir2phy_offset + (flag_ccb << 5));
1225 (acb->vir2phy_offset + (flag_ccb << 5)); 1798 poll_ccb_done = (ccb == poll_ccb) ? 1:0;
1226 if ((ccb->acb != acb) || 1799 if ((ccb->acb != acb) || (ccb->startdone != ARCMSR_CCB_START)) {
1227 (ccb->startdone != ARCMSR_CCB_START)) { 1800 if ((ccb->startdone == ARCMSR_CCB_ABORTED) || (ccb == poll_ccb)) {
1228 if ((ccb->startdone == ARCMSR_CCB_ABORTED) || 1801 printk(KERN_NOTICE "arcmsr%d: scsi id = %d lun = %d ccb = '0x%p'"
1229 (ccb == poll_ccb)) {
1230 printk(KERN_NOTICE
1231 "arcmsr%d: scsi id = %d lun = %d ccb = '0x%p'"
1232 " poll command abort successfully \n" 1802 " poll command abort successfully \n"
1233 , acb->host->host_no 1803 , acb->host->host_no
1234 , ccb->pcmd->device->id 1804 , ccb->pcmd->device->id
@@ -1239,176 +1809,280 @@ static void arcmsr_polling_ccbdone(struct AdapterControlBlock *acb,
1239 poll_ccb_done = 1; 1809 poll_ccb_done = 1;
1240 continue; 1810 continue;
1241 } 1811 }
1242 printk(KERN_NOTICE 1812 printk(KERN_NOTICE "arcmsr%d: polling get an illegal ccb"
1243 "arcmsr%d: polling get an illegal ccb" 1813 " command done ccb = '0x%p'"
1244 " command done ccb ='0x%p'"
1245 "ccboutstandingcount = %d \n" 1814 "ccboutstandingcount = %d \n"
1246 , acb->host->host_no 1815 , acb->host->host_no
1247 , ccb 1816 , ccb
1248 , atomic_read(&acb->ccboutstandingcount)); 1817 , atomic_read(&acb->ccboutstandingcount));
1249 continue; 1818 continue;
1250 } 1819 }
1251 id = ccb->pcmd->device->id; 1820 arcmsr_report_ccb_state(acb, ccb, flag_ccb);
1252 lun = ccb->pcmd->device->lun; 1821 }
1253 if (!(flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR)) { 1822}
1254 if (acb->devstate[id][lun] == ARECA_RAID_GONE) 1823
1255 acb->devstate[id][lun] = ARECA_RAID_GOOD; 1824static void arcmsr_polling_hbb_ccbdone(struct AdapterControlBlock *acb, \
1256 ccb->pcmd->result = DID_OK << 16; 1825 struct CommandControlBlock *poll_ccb)
1257 arcmsr_ccb_complete(ccb, 1); 1826{
1258 } else { 1827 struct MessageUnit_B *reg = (struct MessageUnit_B *)acb->pmu;
1259 switch(ccb->arcmsr_cdb.DeviceStatus) { 1828 struct CommandControlBlock *ccb;
1260 case ARCMSR_DEV_SELECT_TIMEOUT: { 1829 uint32_t flag_ccb, poll_ccb_done = 0, poll_count = 0;
1261 acb->devstate[id][lun] = ARECA_RAID_GONE; 1830 int index;
1262 ccb->pcmd->result = DID_NO_CONNECT << 16; 1831
1263 arcmsr_ccb_complete(ccb, 1); 1832 polling_hbb_ccb_retry:
1264 } 1833 poll_count++;
1265 break; 1834 /* clear doorbell interrupt */
1266 case ARCMSR_DEV_ABORTED: 1835 writel(ARCMSR_DOORBELL_INT_CLEAR_PATTERN, reg->iop2drv_doorbell_reg);
1267 case ARCMSR_DEV_INIT_FAIL: { 1836 while (1) {
1268 acb->devstate[id][lun] = ARECA_RAID_GONE; 1837 index = reg->doneq_index;
1269 ccb->pcmd->result = DID_BAD_TARGET << 16; 1838 if ((flag_ccb = readl(&reg->done_qbuffer[index])) == 0) {
1270 arcmsr_ccb_complete(ccb, 1); 1839 if (poll_ccb_done)
1840 break;
1841 else {
1842 msleep(25);
1843 if (poll_count > 100)
1844 break;
1845 goto polling_hbb_ccb_retry;
1271 } 1846 }
1272 break; 1847 }
1273 case ARCMSR_DEV_CHECK_CONDITION: { 1848 writel(0, &reg->done_qbuffer[index]);
1274 acb->devstate[id][lun] = ARECA_RAID_GOOD; 1849 index++;
1275 arcmsr_report_sense_info(ccb); 1850 /*if last index number set it to 0 */
1851 index %= ARCMSR_MAX_HBB_POSTQUEUE;
1852 reg->doneq_index = index;
1853 /* check ifcommand done with no error*/
1854 ccb = (struct CommandControlBlock *)\
1855 (acb->vir2phy_offset + (flag_ccb << 5));/*frame must be 32 bytes aligned*/
1856 poll_ccb_done = (ccb == poll_ccb) ? 1:0;
1857 if ((ccb->acb != acb) || (ccb->startdone != ARCMSR_CCB_START)) {
1858 if (ccb->startdone == ARCMSR_CCB_ABORTED) {
1859 printk(KERN_NOTICE "arcmsr%d: \
1860 scsi id = %d lun = %d ccb = '0x%p' poll command abort successfully \n"
1861 ,acb->host->host_no
1862 ,ccb->pcmd->device->id
1863 ,ccb->pcmd->device->lun
1864 ,ccb);
1865 ccb->pcmd->result = DID_ABORT << 16;
1276 arcmsr_ccb_complete(ccb, 1); 1866 arcmsr_ccb_complete(ccb, 1);
1867 continue;
1277 } 1868 }
1278 break; 1869 printk(KERN_NOTICE "arcmsr%d: polling get an illegal ccb"
1279 default: 1870 " command done ccb = '0x%p'"
1280 printk(KERN_NOTICE 1871 "ccboutstandingcount = %d \n"
1281 "arcmsr%d: scsi id = %d lun = %d"
1282 " polling and getting command error done"
1283 "but got unknown DeviceStatus = 0x%x \n"
1284 , acb->host->host_no 1872 , acb->host->host_no
1285 , id 1873 , ccb
1286 , lun 1874 , atomic_read(&acb->ccboutstandingcount));
1287 , ccb->arcmsr_cdb.DeviceStatus); 1875 continue;
1288 acb->devstate[id][lun] = ARECA_RAID_GONE;
1289 ccb->pcmd->result = DID_BAD_TARGET << 16;
1290 arcmsr_ccb_complete(ccb, 1);
1291 break;
1292 } 1876 }
1877 arcmsr_report_ccb_state(acb, ccb, flag_ccb);
1878 } /*drain reply FIFO*/
1879}
1880
1881static void arcmsr_polling_ccbdone(struct AdapterControlBlock *acb, \
1882 struct CommandControlBlock *poll_ccb)
1883{
1884 switch (acb->adapter_type) {
1885
1886 case ACB_ADAPTER_TYPE_A: {
1887 arcmsr_polling_hba_ccbdone(acb,poll_ccb);
1888 }
1889 break;
1890
1891 case ACB_ADAPTER_TYPE_B: {
1892 arcmsr_polling_hbb_ccbdone(acb,poll_ccb);
1293 } 1893 }
1294 } 1894 }
1295} 1895}
1296static void arcmsr_done4_abort_postqueue(struct AdapterControlBlock *acb) 1896
1897static int arcmsr_iop_confirm(struct AdapterControlBlock *acb)
1297{ 1898{
1298 int i = 0, found = 0; 1899 uint32_t cdb_phyaddr, ccb_phyaddr_hi32;
1299 int id, lun; 1900 dma_addr_t dma_coherent_handle;
1300 uint32_t flag_ccb, outbound_intstatus; 1901 /*
1301 struct MessageUnit __iomem *reg = acb->pmu; 1902 ********************************************************************
1302 struct CommandControlBlock *ccb; 1903 ** here we need to tell iop 331 our freeccb.HighPart
1303 /*clear and abort all outbound posted Q*/ 1904 ** if freeccb.HighPart is not zero
1304 1905 ********************************************************************
1305 while (((flag_ccb = readl(&reg->outbound_queueport)) != 0xFFFFFFFF) && 1906 */
1306(i++ < 256)){ 1907 dma_coherent_handle = acb->dma_coherent_handle;
1307 ccb = (struct CommandControlBlock *)(acb->vir2phy_offset + 1908 cdb_phyaddr = (uint32_t)(dma_coherent_handle);
1308(flag_ccb << 5)); 1909 ccb_phyaddr_hi32 = (uint32_t)((cdb_phyaddr >> 16) >> 16);
1309 if (ccb){ 1910 /*
1310 if ((ccb->acb != acb)||(ccb->startdone != \ 1911 ***********************************************************************
1311ARCMSR_CCB_START)){ 1912 ** if adapter type B, set window of "post command Q"
1312 printk(KERN_NOTICE "arcmsr%d: polling get \ 1913 ***********************************************************************
1313an illegal ccb" "command done ccb = '0x%p'""ccboutstandingcount = %d \n", 1914 */
1314 acb->host->host_no, ccb, 1915 switch (acb->adapter_type) {
1315 atomic_read(&acb->ccboutstandingcount)); 1916
1316 continue; 1917 case ACB_ADAPTER_TYPE_A: {
1918 if (ccb_phyaddr_hi32 != 0) {
1919 struct MessageUnit_A __iomem *reg = \
1920 (struct MessageUnit_A *)acb->pmu;
1921 uint32_t intmask_org;
1922 intmask_org = arcmsr_disable_outbound_ints(acb);
1923 writel(ARCMSR_SIGNATURE_SET_CONFIG, \
1924 &reg->message_rwbuffer[0]);
1925 writel(ccb_phyaddr_hi32, &reg->message_rwbuffer[1]);
1926 writel(ARCMSR_INBOUND_MESG0_SET_CONFIG, \
1927 &reg->inbound_msgaddr0);
1928 if (arcmsr_hba_wait_msgint_ready(acb)) {
1929 printk(KERN_NOTICE "arcmsr%d: ""set ccb high \
1930 part physical address timeout\n",
1931 acb->host->host_no);
1932 return 1;
1317 } 1933 }
1934 arcmsr_enable_outbound_ints(acb, intmask_org);
1935 }
1936 }
1937 break;
1318 1938
1319 id = ccb->pcmd->device->id; 1939 case ACB_ADAPTER_TYPE_B: {
1320 lun = ccb->pcmd->device->lun; 1940 unsigned long post_queue_phyaddr;
1321 if (!(flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR)){ 1941 uint32_t *rwbuffer;
1322 if (acb->devstate[id][lun] == ARECA_RAID_GONE)
1323 acb->devstate[id][lun] = ARECA_RAID_GOOD;
1324 ccb->pcmd->result = DID_OK << 16;
1325 arcmsr_ccb_complete(ccb, 1);
1326 }
1327 else {
1328 switch(ccb->arcmsr_cdb.DeviceStatus) {
1329 case ARCMSR_DEV_SELECT_TIMEOUT: {
1330 acb->devstate[id][lun] = ARECA_RAID_GONE;
1331 ccb->pcmd->result = DID_NO_CONNECT << 16;
1332 arcmsr_ccb_complete(ccb, 1);
1333 }
1334 break;
1335 1942
1336 case ARCMSR_DEV_ABORTED: 1943 struct MessageUnit_B *reg = (struct MessageUnit_B *)acb->pmu;
1944 uint32_t intmask_org;
1945 intmask_org = arcmsr_disable_outbound_ints(acb);
1946 reg->postq_index = 0;
1947 reg->doneq_index = 0;
1948 writel(ARCMSR_MESSAGE_SET_POST_WINDOW, reg->drv2iop_doorbell_reg);
1949 if (arcmsr_hbb_wait_msgint_ready(acb)) {
1950 printk(KERN_NOTICE "arcmsr%d:can not set diver mode\n", \
1951 acb->host->host_no);
1952 return 1;
1953 }
1954 post_queue_phyaddr = cdb_phyaddr + ARCMSR_MAX_FREECCB_NUM * \
1955 sizeof(struct CommandControlBlock) + offsetof(struct MessageUnit_B, post_qbuffer) ;
1956 rwbuffer = reg->msgcode_rwbuffer_reg;
1957 /* driver "set config" signature */
1958 writel(ARCMSR_SIGNATURE_SET_CONFIG, rwbuffer++);
1959 /* normal should be zero */
1960 writel(ccb_phyaddr_hi32, rwbuffer++);
1961 /* postQ size (256 + 8)*4 */
1962 writel(post_queue_phyaddr, rwbuffer++);
1963 /* doneQ size (256 + 8)*4 */
1964 writel(post_queue_phyaddr + 1056, rwbuffer++);
1965 /* ccb maxQ size must be --> [(256 + 8)*4]*/
1966 writel(1056, rwbuffer);
1967
1968 writel(ARCMSR_MESSAGE_SET_CONFIG, reg->drv2iop_doorbell_reg);
1969 if (arcmsr_hbb_wait_msgint_ready(acb)) {
1970 printk(KERN_NOTICE "arcmsr%d: 'set command Q window' \
1971 timeout \n",acb->host->host_no);
1972 return 1;
1973 }
1337 1974
1338 case ARCMSR_DEV_INIT_FAIL: { 1975 writel(ARCMSR_MESSAGE_START_DRIVER_MODE, reg->drv2iop_doorbell_reg);
1339 acb->devstate[id][lun] = 1976 if (arcmsr_hbb_wait_msgint_ready(acb)) {
1340 ARECA_RAID_GONE; 1977 printk(KERN_NOTICE "arcmsr%d: 'can not set diver mode \n"\
1341 ccb->pcmd->result = 1978 ,acb->host->host_no);
1342 DID_BAD_TARGET << 16; 1979 return 1;
1343 arcmsr_ccb_complete(ccb, 1); 1980 }
1344 } 1981 arcmsr_enable_outbound_ints(acb, intmask_org);
1345 break; 1982 }
1983 break;
1984 }
1985 return 0;
1986}
1346 1987
1347 case ARCMSR_DEV_CHECK_CONDITION: { 1988static void arcmsr_wait_firmware_ready(struct AdapterControlBlock *acb)
1348 acb->devstate[id][lun] = 1989{
1349 ARECA_RAID_GOOD; 1990 uint32_t firmware_state = 0;
1350 arcmsr_report_sense_info(ccb);
1351 arcmsr_ccb_complete(ccb, 1);
1352 }
1353 break;
1354 1991
1355 default: 1992 switch (acb->adapter_type) {
1356 printk(KERN_NOTICE 1993
1357 "arcmsr%d: scsi id = %d \ 1994 case ACB_ADAPTER_TYPE_A: {
1358 lun = %d""polling and \ 1995 struct MessageUnit_A __iomem *reg = (struct MessageUnit_A *)acb->pmu;
1359 getting command error \ 1996 do {
1360 done""but got unknown \ 1997 firmware_state = readl(&reg->outbound_msgaddr1);
1361 DeviceStatus = 0x%x \n", 1998 } while ((firmware_state & ARCMSR_OUTBOUND_MESG1_FIRMWARE_OK) == 0);
1362 acb->host->host_no, id, 1999 }
1363 lun, ccb->arcmsr_cdb.DeviceStatus); 2000 break;
1364 acb->devstate[id][lun] = 2001
1365 ARECA_RAID_GONE; 2002 case ACB_ADAPTER_TYPE_B: {
1366 ccb->pcmd->result = 2003 struct MessageUnit_B *reg = (struct MessageUnit_B *)acb->pmu;
1367 DID_BAD_TARGET << 16; 2004 do {
1368 arcmsr_ccb_complete(ccb, 1); 2005 firmware_state = readl(reg->iop2drv_doorbell_reg);
1369 break; 2006 } while ((firmware_state & ARCMSR_MESSAGE_FIRMWARE_OK) == 0);
1370 } 2007 }
1371 } 2008 break;
1372 found = 1;
1373 }
1374 } 2009 }
1375 if (found){ 2010}
1376 outbound_intstatus = readl(&reg->outbound_intstatus) & \ 2011
1377 acb->outbound_int_enable; 2012static void arcmsr_start_hba_bgrb(struct AdapterControlBlock *acb)
1378 writel(outbound_intstatus, &reg->outbound_intstatus); 2013{
1379 /*clear interrupt*/ 2014 struct MessageUnit_A __iomem *reg = (struct MessageUnit_A *)acb->pmu;
2015 acb->acb_flags |= ACB_F_MSG_START_BGRB;
2016 writel(ARCMSR_INBOUND_MESG0_START_BGRB, &reg->inbound_msgaddr0);
2017 if (arcmsr_hba_wait_msgint_ready(acb)) {
2018 printk(KERN_NOTICE "arcmsr%d: wait 'start adapter background \
2019 rebulid' timeout \n", acb->host->host_no);
1380 } 2020 }
1381 return;
1382} 2021}
1383 2022
2023static void arcmsr_start_hbb_bgrb(struct AdapterControlBlock *acb)
2024{
2025 struct MessageUnit_B *reg = (struct MessageUnit_B *)acb->pmu;
2026 acb->acb_flags |= ACB_F_MSG_START_BGRB;
2027 writel(ARCMSR_MESSAGE_START_BGRB, reg->drv2iop_doorbell_reg);
2028 if (arcmsr_hbb_wait_msgint_ready(acb)) {
2029 printk(KERN_NOTICE "arcmsr%d: wait 'start adapter background \
2030 rebulid' timeout \n",acb->host->host_no);
2031 }
2032}
1384 2033
1385static void arcmsr_iop_init(struct AdapterControlBlock *acb) 2034static void arcmsr_start_adapter_bgrb(struct AdapterControlBlock *acb)
1386{ 2035{
1387 struct MessageUnit __iomem *reg = acb->pmu; 2036 switch (acb->adapter_type) {
1388 uint32_t intmask_org, mask, outbound_doorbell, firmware_state = 0; 2037 case ACB_ADAPTER_TYPE_A:
2038 arcmsr_start_hba_bgrb(acb);
2039 break;
2040 case ACB_ADAPTER_TYPE_B:
2041 arcmsr_start_hbb_bgrb(acb);
2042 break;
2043 }
2044}
1389 2045
1390 do { 2046static void arcmsr_clear_doorbell_queue_buffer(struct AdapterControlBlock *acb)
1391 firmware_state = readl(&reg->outbound_msgaddr1); 2047{
1392 } while (!(firmware_state & ARCMSR_OUTBOUND_MESG1_FIRMWARE_OK)); 2048 switch (acb->adapter_type) {
1393 intmask_org = readl(&reg->outbound_intmask) 2049 case ACB_ADAPTER_TYPE_A: {
1394 | ARCMSR_MU_OUTBOUND_MESSAGE0_INTMASKENABLE; 2050 struct MessageUnit_A *reg = (struct MessageUnit_A *)acb->pmu;
1395 arcmsr_get_firmware_spec(acb); 2051 uint32_t outbound_doorbell;
2052 /* empty doorbell Qbuffer if door bell ringed */
2053 outbound_doorbell = readl(&reg->outbound_doorbell);
2054 /*clear doorbell interrupt */
2055 writel(outbound_doorbell, &reg->outbound_doorbell);
2056 writel(ARCMSR_INBOUND_DRIVER_DATA_READ_OK, &reg->inbound_doorbell);
2057 }
2058 break;
1396 2059
1397 acb->acb_flags |= ACB_F_MSG_START_BGRB; 2060 case ACB_ADAPTER_TYPE_B: {
1398 writel(ARCMSR_INBOUND_MESG0_START_BGRB, &reg->inbound_msgaddr0); 2061 struct MessageUnit_B *reg = (struct MessageUnit_B *)acb->pmu;
1399 if (arcmsr_wait_msgint_ready(acb)) { 2062 /*clear interrupt and message state*/
1400 printk(KERN_NOTICE "arcmsr%d: " 2063 writel(ARCMSR_MESSAGE_INT_CLEAR_PATTERN, reg->iop2drv_doorbell_reg);
1401 "wait 'start adapter background rebulid' timeout\n", 2064 writel(ARCMSR_DRV2IOP_DATA_READ_OK, reg->drv2iop_doorbell_reg);
1402 acb->host->host_no); 2065 /* let IOP know data has been read */
2066 }
2067 break;
1403 } 2068 }
2069}
1404 2070
1405 outbound_doorbell = readl(&reg->outbound_doorbell); 2071static void arcmsr_iop_init(struct AdapterControlBlock *acb)
1406 writel(outbound_doorbell, &reg->outbound_doorbell); 2072{
1407 writel(ARCMSR_INBOUND_DRIVER_DATA_READ_OK, &reg->inbound_doorbell); 2073 uint32_t intmask_org;
1408 mask = ~(ARCMSR_MU_OUTBOUND_POSTQUEUE_INTMASKENABLE 2074
1409 | ARCMSR_MU_OUTBOUND_DOORBELL_INTMASKENABLE); 2075 arcmsr_wait_firmware_ready(acb);
1410 writel(intmask_org & mask, &reg->outbound_intmask); 2076 arcmsr_iop_confirm(acb);
1411 acb->outbound_int_enable = ~(intmask_org & mask) & 0x000000ff; 2077 /* disable all outbound interrupt */
2078 intmask_org = arcmsr_disable_outbound_ints(acb);
2079 arcmsr_get_firmware_spec(acb);
2080 /*start background rebuild*/
2081 arcmsr_start_adapter_bgrb(acb);
2082 /* empty doorbell Qbuffer if door bell ringed */
2083 arcmsr_clear_doorbell_queue_buffer(acb);
2084 /* enable outbound Post Queue,outbound doorbell Interrupt */
2085 arcmsr_enable_outbound_ints(acb, intmask_org);
1412 acb->acb_flags |= ACB_F_IOP_INITED; 2086 acb->acb_flags |= ACB_F_IOP_INITED;
1413} 2087}
1414 2088
@@ -1422,21 +2096,21 @@ static void arcmsr_iop_reset(struct AdapterControlBlock *acb)
1422 /* talk to iop 331 outstanding command aborted */ 2096 /* talk to iop 331 outstanding command aborted */
1423 arcmsr_abort_allcmd(acb); 2097 arcmsr_abort_allcmd(acb);
1424 /* wait for 3 sec for all command aborted*/ 2098 /* wait for 3 sec for all command aborted*/
1425 msleep_interruptible(3000); 2099 ssleep(3);
1426 /* disable all outbound interrupt */ 2100 /* disable all outbound interrupt */
1427 intmask_org = arcmsr_disable_outbound_ints(acb); 2101 intmask_org = arcmsr_disable_outbound_ints(acb);
1428 /* clear all outbound posted Q */ 2102 /* clear all outbound posted Q */
1429 arcmsr_done4_abort_postqueue(acb); 2103 arcmsr_done4abort_postqueue(acb);
1430 for (i = 0; i < ARCMSR_MAX_FREECCB_NUM; i++) { 2104 for (i = 0; i < ARCMSR_MAX_FREECCB_NUM; i++) {
1431 ccb = acb->pccb_pool[i]; 2105 ccb = acb->pccb_pool[i];
1432 if (ccb->startdone == ARCMSR_CCB_START) { 2106 if (ccb->startdone == ARCMSR_CCB_START) {
1433 ccb->startdone = ARCMSR_CCB_ABORTED; 2107 ccb->startdone = ARCMSR_CCB_ABORTED;
2108 arcmsr_ccb_complete(ccb, 1);
1434 } 2109 }
1435 } 2110 }
1436 /* enable all outbound interrupt */ 2111 /* enable all outbound interrupt */
1437 arcmsr_enable_outbound_ints(acb, intmask_org); 2112 arcmsr_enable_outbound_ints(acb, intmask_org);
1438 } 2113 }
1439
1440} 2114}
1441 2115
1442static int arcmsr_bus_reset(struct scsi_cmnd *cmd) 2116static int arcmsr_bus_reset(struct scsi_cmnd *cmd)
@@ -1450,7 +2124,7 @@ static int arcmsr_bus_reset(struct scsi_cmnd *cmd)
1450 for (i = 0; i < 400; i++) { 2124 for (i = 0; i < 400; i++) {
1451 if (!atomic_read(&acb->ccboutstandingcount)) 2125 if (!atomic_read(&acb->ccboutstandingcount))
1452 break; 2126 break;
1453 arcmsr_interrupt(acb); 2127 arcmsr_interrupt(acb);/* FIXME: need spinlock */
1454 msleep(25); 2128 msleep(25);
1455 } 2129 }
1456 arcmsr_iop_reset(acb); 2130 arcmsr_iop_reset(acb);
@@ -1468,7 +2142,7 @@ static void arcmsr_abort_one_cmd(struct AdapterControlBlock *acb,
1468 /* 2142 /*
1469 ** Wait for 3 sec for all command done. 2143 ** Wait for 3 sec for all command done.
1470 */ 2144 */
1471 msleep_interruptible(3000); 2145 ssleep(3);
1472 2146
1473 intmask = arcmsr_disable_outbound_ints(acb); 2147 intmask = arcmsr_disable_outbound_ints(acb);
1474 arcmsr_polling_ccbdone(acb, ccb); 2148 arcmsr_polling_ccbdone(acb, ccb);
@@ -1515,6 +2189,8 @@ static const char *arcmsr_info(struct Scsi_Host *host)
1515 2189
1516 switch (acb->pdev->device) { 2190 switch (acb->pdev->device) {
1517 case PCI_DEVICE_ID_ARECA_1110: 2191 case PCI_DEVICE_ID_ARECA_1110:
2192 case PCI_DEVICE_ID_ARECA_1200:
2193 case PCI_DEVICE_ID_ARECA_1202:
1518 case PCI_DEVICE_ID_ARECA_1210: 2194 case PCI_DEVICE_ID_ARECA_1210:
1519 raid6 = 0; 2195 raid6 = 0;
1520 /*FALLTHRU*/ 2196 /*FALLTHRU*/
@@ -1522,6 +2198,7 @@ static const char *arcmsr_info(struct Scsi_Host *host)
1522 case PCI_DEVICE_ID_ARECA_1130: 2198 case PCI_DEVICE_ID_ARECA_1130:
1523 case PCI_DEVICE_ID_ARECA_1160: 2199 case PCI_DEVICE_ID_ARECA_1160:
1524 case PCI_DEVICE_ID_ARECA_1170: 2200 case PCI_DEVICE_ID_ARECA_1170:
2201 case PCI_DEVICE_ID_ARECA_1201:
1525 case PCI_DEVICE_ID_ARECA_1220: 2202 case PCI_DEVICE_ID_ARECA_1220:
1526 case PCI_DEVICE_ID_ARECA_1230: 2203 case PCI_DEVICE_ID_ARECA_1230:
1527 case PCI_DEVICE_ID_ARECA_1260: 2204 case PCI_DEVICE_ID_ARECA_1260:
@@ -1544,287 +2221,82 @@ static const char *arcmsr_info(struct Scsi_Host *host)
1544 ARCMSR_DRIVER_VERSION); 2221 ARCMSR_DRIVER_VERSION);
1545 return buf; 2222 return buf;
1546} 2223}
1547 2224#ifdef CONFIG_SCSI_ARCMSR_AER
1548static pci_ers_result_t arcmsr_pci_slot_reset(struct pci_dev *pdev) 2225static pci_ers_result_t arcmsr_pci_slot_reset(struct pci_dev *pdev)
1549{ 2226{
1550 struct Scsi_Host *host; 2227 struct Scsi_Host *host = pci_get_drvdata(pdev);
1551 struct AdapterControlBlock *acb; 2228 struct AdapterControlBlock *acb =
1552 uint8_t bus, dev_fun; 2229 (struct AdapterControlBlock *) host->hostdata;
1553 int error; 2230 uint32_t intmask_org;
1554 2231 int i, j;
1555 error = pci_enable_device(pdev);
1556 if (error)
1557 return PCI_ERS_RESULT_DISCONNECT;
1558 pci_set_master(pdev);
1559
1560 host = scsi_host_alloc(&arcmsr_scsi_host_template, sizeof \
1561(struct AdapterControlBlock));
1562 if (!host)
1563 return PCI_ERS_RESULT_DISCONNECT;
1564 acb = (struct AdapterControlBlock *)host->hostdata;
1565 memset(acb, 0, sizeof (struct AdapterControlBlock));
1566
1567 error = pci_set_dma_mask(pdev, DMA_64BIT_MASK);
1568 if (error) {
1569 error = pci_set_dma_mask(pdev, DMA_32BIT_MASK);
1570 if (error) {
1571 printk(KERN_WARNING
1572 "scsi%d: No suitable DMA mask available\n",
1573 host->host_no);
1574 return PCI_ERS_RESULT_DISCONNECT;
1575 }
1576 }
1577 bus = pdev->bus->number;
1578 dev_fun = pdev->devfn;
1579 acb = (struct AdapterControlBlock *) host->hostdata;
1580 memset(acb, 0, sizeof(struct AdapterControlBlock));
1581 acb->pdev = pdev;
1582 acb->host = host;
1583 host->max_sectors = ARCMSR_MAX_XFER_SECTORS;
1584 host->max_lun = ARCMSR_MAX_TARGETLUN;
1585 host->max_id = ARCMSR_MAX_TARGETID;/*16:8*/
1586 host->max_cmd_len = 16; /*this is issue of 64bit LBA, over 2T byte*/
1587 host->sg_tablesize = ARCMSR_MAX_SG_ENTRIES;
1588 host->can_queue = ARCMSR_MAX_FREECCB_NUM; /* max simultaneous cmds */
1589 host->cmd_per_lun = ARCMSR_MAX_CMD_PERLUN;
1590 host->this_id = ARCMSR_SCSI_INITIATOR_ID;
1591 host->unique_id = (bus << 8) | dev_fun;
1592 host->irq = pdev->irq;
1593 error = pci_request_regions(pdev, "arcmsr");
1594 if (error)
1595 return PCI_ERS_RESULT_DISCONNECT;
1596 2232
1597 acb->pmu = ioremap(pci_resource_start(pdev, 0), 2233 if (pci_enable_device(pdev)) {
1598 pci_resource_len(pdev, 0));
1599 if (!acb->pmu) {
1600 printk(KERN_NOTICE "arcmsr%d: memory"
1601 " mapping region fail \n", acb->host->host_no);
1602 return PCI_ERS_RESULT_DISCONNECT; 2234 return PCI_ERS_RESULT_DISCONNECT;
1603 } 2235 }
2236 pci_set_master(pdev);
2237 intmask_org = arcmsr_disable_outbound_ints(acb);
1604 acb->acb_flags |= (ACB_F_MESSAGE_WQBUFFER_CLEARED | 2238 acb->acb_flags |= (ACB_F_MESSAGE_WQBUFFER_CLEARED |
1605 ACB_F_MESSAGE_RQBUFFER_CLEARED | 2239 ACB_F_MESSAGE_RQBUFFER_CLEARED |
1606 ACB_F_MESSAGE_WQBUFFER_READED); 2240 ACB_F_MESSAGE_WQBUFFER_READED);
1607 acb->acb_flags &= ~ACB_F_SCSISTOPADAPTER; 2241 acb->acb_flags &= ~ACB_F_SCSISTOPADAPTER;
1608 INIT_LIST_HEAD(&acb->ccb_free_list); 2242 for (i = 0; i < ARCMSR_MAX_TARGETID; i++)
1609 2243 for (j = 0; j < ARCMSR_MAX_TARGETLUN; j++)
1610 error = arcmsr_alloc_ccb_pool(acb); 2244 acb->devstate[i][j] = ARECA_RAID_GONE;
1611 if (error)
1612 return PCI_ERS_RESULT_DISCONNECT;
1613
1614 error = request_irq(pdev->irq, arcmsr_do_interrupt,
1615 IRQF_DISABLED | IRQF_SHARED, "arcmsr", acb);
1616 if (error)
1617 return PCI_ERS_RESULT_DISCONNECT;
1618
1619 arcmsr_iop_init(acb);
1620 if (strncmp(acb->firm_version, "V1.42", 5) >= 0)
1621 host->max_sectors = ARCMSR_MAX_XFER_SECTORS_B;
1622
1623 pci_set_drvdata(pdev, host);
1624
1625 error = scsi_add_host(host, &pdev->dev);
1626 if (error)
1627 return PCI_ERS_RESULT_DISCONNECT;
1628 2245
1629 error = arcmsr_alloc_sysfs_attr(acb); 2246 arcmsr_wait_firmware_ready(acb);
1630 if (error) 2247 arcmsr_iop_confirm(acb);
1631 return PCI_ERS_RESULT_DISCONNECT; 2248 /* disable all outbound interrupt */
2249 arcmsr_get_firmware_spec(acb);
2250 /*start background rebuild*/
2251 arcmsr_start_adapter_bgrb(acb);
2252 /* empty doorbell Qbuffer if door bell ringed */
2253 arcmsr_clear_doorbell_queue_buffer(acb);
2254 /* enable outbound Post Queue,outbound doorbell Interrupt */
2255 arcmsr_enable_outbound_ints(acb, intmask_org);
2256 acb->acb_flags |= ACB_F_IOP_INITED;
1632 2257
1633 scsi_scan_host(host); 2258 pci_enable_pcie_error_reporting(pdev);
1634 return PCI_ERS_RESULT_RECOVERED; 2259 return PCI_ERS_RESULT_RECOVERED;
1635} 2260}
1636 2261
1637static void arcmsr_pci_ers_need_reset_forepart(struct pci_dev *pdev) 2262static void arcmsr_pci_ers_need_reset_forepart(struct pci_dev *pdev)
1638{ 2263{
1639 struct Scsi_Host *host = pci_get_drvdata(pdev); 2264 struct Scsi_Host *host = pci_get_drvdata(pdev);
1640 struct AdapterControlBlock *acb = (struct AdapterControlBlock *) host->hostdata; 2265 struct AdapterControlBlock *acb = (struct AdapterControlBlock *)host->hostdata;
1641 struct MessageUnit __iomem *reg = acb->pmu;
1642 struct CommandControlBlock *ccb; 2266 struct CommandControlBlock *ccb;
1643 /*clear and abort all outbound posted Q*/ 2267 uint32_t intmask_org;
1644 int i = 0, found = 0; 2268 int i = 0;
1645 int id, lun;
1646 uint32_t flag_ccb, outbound_intstatus;
1647
1648 while (((flag_ccb = readl(&reg->outbound_queueport)) != 0xFFFFFFFF) &&
1649 (i++ < 256)){
1650 ccb = (struct CommandControlBlock *)(acb->vir2phy_offset
1651 + (flag_ccb << 5));
1652 if (ccb){
1653 if ((ccb->acb != acb)||(ccb->startdone !=
1654 ARCMSR_CCB_START)){
1655 printk(KERN_NOTICE "arcmsr%d: polling \
1656 get an illegal ccb"" command done ccb = '0x%p'"
1657 "ccboutstandingcount = %d \n",
1658 acb->host->host_no, ccb,
1659 atomic_read(&acb->ccboutstandingcount));
1660 continue;
1661 }
1662
1663 id = ccb->pcmd->device->id;
1664 lun = ccb->pcmd->device->lun;
1665 if (!(flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR)) {
1666 if (acb->devstate[id][lun] ==
1667 ARECA_RAID_GONE)
1668 acb->devstate[id][lun] =
1669 ARECA_RAID_GOOD;
1670 ccb->pcmd->result = DID_OK << 16;
1671 arcmsr_ccb_complete(ccb, 1);
1672 }
1673 else {
1674 switch(ccb->arcmsr_cdb.DeviceStatus) {
1675 case ARCMSR_DEV_SELECT_TIMEOUT: {
1676 acb->devstate[id][lun] =
1677 ARECA_RAID_GONE;
1678 ccb->pcmd->result =
1679 DID_NO_CONNECT << 16;
1680 arcmsr_ccb_complete(ccb, 1);
1681 }
1682 break;
1683
1684 case ARCMSR_DEV_ABORTED:
1685
1686 case ARCMSR_DEV_INIT_FAIL: {
1687 acb->devstate[id][lun] =
1688 ARECA_RAID_GONE;
1689 ccb->pcmd->result =
1690 DID_BAD_TARGET << 16;
1691 arcmsr_ccb_complete(ccb, 1);
1692 }
1693 break;
1694
1695 case ARCMSR_DEV_CHECK_CONDITION: {
1696 acb->devstate[id][lun] =
1697 ARECA_RAID_GOOD;
1698 arcmsr_report_sense_info(ccb);
1699 arcmsr_ccb_complete(ccb, 1);
1700 }
1701 break;
1702 2269
1703 default: 2270 if (atomic_read(&acb->ccboutstandingcount) != 0) {
1704 printk(KERN_NOTICE 2271 /* talk to iop 331 outstanding command aborted */
1705 "arcmsr%d: scsi \ 2272 arcmsr_abort_allcmd(acb);
1706 id = %d lun = %d" 2273 /* wait for 3 sec for all command aborted*/
1707 " polling and \ 2274 ssleep(3);
1708 getting command \ 2275 /* disable all outbound interrupt */
1709 error done" 2276 intmask_org = arcmsr_disable_outbound_ints(acb);
1710 "but got unknown \ 2277 /* clear all outbound posted Q */
1711 DeviceStatus = 0x%x \n" 2278 arcmsr_done4abort_postqueue(acb);
1712 , acb->host->host_no, 2279 for (i = 0; i < ARCMSR_MAX_FREECCB_NUM; i++) {
1713 id, lun, 2280 ccb = acb->pccb_pool[i];
1714 ccb->arcmsr_cdb.DeviceStatus); 2281 if (ccb->startdone == ARCMSR_CCB_START) {
1715 acb->devstate[id][lun] = 2282 ccb->startdone = ARCMSR_CCB_ABORTED;
1716 ARECA_RAID_GONE; 2283 arcmsr_ccb_complete(ccb, 1);
1717 ccb->pcmd->result =
1718 DID_BAD_TARGET << 16;
1719 arcmsr_ccb_complete(ccb, 1);
1720 break;
1721 }
1722 }
1723 found = 1;
1724 } 2284 }
1725 } 2285 }
1726 if (found){ 2286 /* enable all outbound interrupt */
1727 outbound_intstatus = readl(&reg->outbound_intstatus) & 2287 arcmsr_enable_outbound_ints(acb, intmask_org);
1728 acb->outbound_int_enable; 2288 }
1729 writel(outbound_intstatus, &reg->outbound_intstatus); 2289 pci_disable_device(pdev);
1730 /*clear interrupt*/
1731 }
1732 return;
1733} 2290}
1734 2291
1735
1736static void arcmsr_pci_ers_disconnect_forepart(struct pci_dev *pdev) 2292static void arcmsr_pci_ers_disconnect_forepart(struct pci_dev *pdev)
1737{ 2293{
1738 struct Scsi_Host *host = pci_get_drvdata(pdev); 2294 struct Scsi_Host *host = pci_get_drvdata(pdev);
1739 struct AdapterControlBlock *acb = (struct AdapterControlBlock *) host->hostdata; 2295 struct AdapterControlBlock *acb = \
1740 struct MessageUnit __iomem *reg = acb->pmu; 2296 (struct AdapterControlBlock *)host->hostdata;
1741 struct CommandControlBlock *ccb;
1742 /*clear and abort all outbound posted Q*/
1743 int i = 0, found = 0;
1744 int id, lun;
1745 uint32_t flag_ccb, outbound_intstatus;
1746
1747 while (((flag_ccb = readl(&reg->outbound_queueport)) != 0xFFFFFFFF) &&
1748 (i++ < 256)){
1749 ccb = (struct CommandControlBlock *)(acb->vir2phy_offset +
1750 (flag_ccb << 5));
1751 if (ccb){
1752 if ((ccb->acb != acb)||(ccb->startdone !=
1753 ARCMSR_CCB_START)){
1754 printk(KERN_NOTICE
1755 "arcmsr%d: polling get an illegal ccb"
1756 " command done ccb = '0x%p'"
1757 "ccboutstandingcount = %d \n",
1758 acb->host->host_no, ccb,
1759 atomic_read(&acb->ccboutstandingcount));
1760 continue;
1761 }
1762
1763 id = ccb->pcmd->device->id;
1764 lun = ccb->pcmd->device->lun;
1765 if (!(flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR)) {
1766 if (acb->devstate[id][lun] == ARECA_RAID_GONE)
1767 acb->devstate[id][lun] = ARECA_RAID_GOOD;
1768 ccb->pcmd->result = DID_OK << 16;
1769 arcmsr_ccb_complete(ccb, 1);
1770 }
1771 else {
1772 switch(ccb->arcmsr_cdb.DeviceStatus) {
1773 case ARCMSR_DEV_SELECT_TIMEOUT: {
1774 acb->devstate[id][lun] =
1775 ARECA_RAID_GONE;
1776 ccb->pcmd->result =
1777 DID_NO_CONNECT << 16;
1778 arcmsr_ccb_complete(ccb, 1);
1779 }
1780 break;
1781
1782 case ARCMSR_DEV_ABORTED:
1783
1784 case ARCMSR_DEV_INIT_FAIL: {
1785 acb->devstate[id][lun] =
1786 ARECA_RAID_GONE;
1787 ccb->pcmd->result =
1788 DID_BAD_TARGET << 16;
1789 arcmsr_ccb_complete(ccb, 1);
1790 }
1791 break;
1792 2297
1793 case ARCMSR_DEV_CHECK_CONDITION: { 2298 arcmsr_stop_adapter_bgrb(acb);
1794 acb->devstate[id][lun] = 2299 arcmsr_flush_adapter_cache(acb);
1795 ARECA_RAID_GOOD;
1796 arcmsr_report_sense_info(ccb);
1797 arcmsr_ccb_complete(ccb, 1);
1798 }
1799 break;
1800
1801 default:
1802 printk(KERN_NOTICE "arcmsr%d: \
1803 scsi id = %d lun = %d"
1804 " polling and \
1805 getting command error done"
1806 "but got unknown \
1807 DeviceStatus = 0x%x \n"
1808 , acb->host->host_no,
1809 id, lun, ccb->arcmsr_cdb.DeviceStatus);
1810 acb->devstate[id][lun] =
1811 ARECA_RAID_GONE;
1812 ccb->pcmd->result =
1813 DID_BAD_TARGET << 16;
1814 arcmsr_ccb_complete(ccb, 1);
1815 break;
1816 }
1817 }
1818 found = 1;
1819 }
1820 }
1821 if (found){
1822 outbound_intstatus = readl(&reg->outbound_intstatus) &
1823 acb->outbound_int_enable;
1824 writel(outbound_intstatus, &reg->outbound_intstatus);
1825 /*clear interrupt*/
1826 }
1827 return;
1828} 2300}
1829 2301
1830static pci_ers_result_t arcmsr_pci_error_detected(struct pci_dev *pdev, 2302static pci_ers_result_t arcmsr_pci_error_detected(struct pci_dev *pdev,
@@ -1840,5 +2312,6 @@ static pci_ers_result_t arcmsr_pci_error_detected(struct pci_dev *pdev,
1840 break; 2312 break;
1841 default: 2313 default:
1842 return PCI_ERS_RESULT_NEED_RESET; 2314 return PCI_ERS_RESULT_NEED_RESET;
1843 } 2315 }
1844} 2316}
2317#endif
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-12 12:30:43 -0500