2 *******************************************************************************
4 ** FILE NAME : arcmsr_hba.c
5 ** BY : Nick Cheng, C.L. Huang
6 ** Description: SCSI RAID Device Driver for Areca RAID Controller
7 *******************************************************************************
8 ** Copyright (C) 2002 - 2014, Areca Technology Corporation All rights reserved
10 ** Web site: www.areca.com.tw
11 ** E-mail: support@areca.com.tw
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
15 ** published by the Free Software Foundation.
16 ** This program is distributed in the hope that it will be useful,
17 ** but WITHOUT ANY WARRANTY; without even the implied warranty of
18 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 ** GNU General Public License for more details.
20 *******************************************************************************
21 ** Redistribution and use in source and binary forms, with or without
22 ** modification, are permitted provided that the following conditions
24 ** 1. Redistributions of source code must retain the above copyright
25 ** notice, this list of conditions and the following disclaimer.
26 ** 2. Redistributions in binary form must reproduce the above copyright
27 ** notice, this list of conditions and the following disclaimer in the
28 ** documentation and/or other materials provided with the distribution.
29 ** 3. The name of the author may not be used to endorse or promote products
30 ** derived from this software without specific prior written permission.
32 ** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
33 ** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
34 ** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
35 ** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
36 ** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES(INCLUDING,BUT
37 ** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
38 ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION)HOWEVER CAUSED AND ON ANY
39 ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
40 ** (INCLUDING NEGLIGENCE OR OTHERWISE)ARISING IN ANY WAY OUT OF THE USE OF
41 ** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
42 *******************************************************************************
43 ** For history of changes, see Documentation/scsi/ChangeLog.arcmsr
44 ** Firmware Specification, see Documentation/scsi/arcmsr_spec.txt
45 *******************************************************************************
47 #include <linux/module.h>
48 #include <linux/reboot.h>
49 #include <linux/spinlock.h>
50 #include <linux/pci_ids.h>
51 #include <linux/interrupt.h>
52 #include <linux/moduleparam.h>
53 #include <linux/errno.h>
54 #include <linux/types.h>
55 #include <linux/delay.h>
56 #include <linux/dma-mapping.h>
57 #include <linux/timer.h>
58 #include <linux/slab.h>
59 #include <linux/pci.h>
60 #include <linux/aer.h>
61 #include <linux/circ_buf.h>
64 #include <asm/uaccess.h>
65 #include <scsi/scsi_host.h>
66 #include <scsi/scsi.h>
67 #include <scsi/scsi_cmnd.h>
68 #include <scsi/scsi_tcq.h>
69 #include <scsi/scsi_device.h>
70 #include <scsi/scsi_transport.h>
71 #include <scsi/scsicam.h>
73 MODULE_AUTHOR("Nick Cheng, C.L. Huang <support@areca.com.tw>");
74 MODULE_DESCRIPTION("Areca ARC11xx/12xx/16xx/188x SAS/SATA RAID Controller Driver");
75 MODULE_LICENSE("Dual BSD/GPL");
76 MODULE_VERSION(ARCMSR_DRIVER_VERSION);
78 #define ARCMSR_SLEEPTIME 10
79 #define ARCMSR_RETRYCOUNT 12
81 static wait_queue_head_t wait_q;
82 static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb,
83 struct scsi_cmnd *cmd);
84 static int arcmsr_iop_confirm(struct AdapterControlBlock *acb);
85 static int arcmsr_abort(struct scsi_cmnd *);
86 static int arcmsr_bus_reset(struct scsi_cmnd *);
87 static int arcmsr_bios_param(struct scsi_device *sdev,
88 struct block_device *bdev, sector_t capacity, int *info);
89 static int arcmsr_queue_command(struct Scsi_Host *h, struct scsi_cmnd *cmd);
90 static int arcmsr_probe(struct pci_dev *pdev,
91 const struct pci_device_id *id);
92 static int arcmsr_suspend(struct pci_dev *pdev, pm_message_t state);
93 static int arcmsr_resume(struct pci_dev *pdev);
94 static void arcmsr_remove(struct pci_dev *pdev);
95 static void arcmsr_shutdown(struct pci_dev *pdev);
96 static void arcmsr_iop_init(struct AdapterControlBlock *acb);
97 static void arcmsr_free_ccb_pool(struct AdapterControlBlock *acb);
98 static u32 arcmsr_disable_outbound_ints(struct AdapterControlBlock *acb);
99 static void arcmsr_enable_outbound_ints(struct AdapterControlBlock *acb,
101 static void arcmsr_stop_adapter_bgrb(struct AdapterControlBlock *acb);
102 static void arcmsr_hbaA_flush_cache(struct AdapterControlBlock *acb);
103 static void arcmsr_hbaB_flush_cache(struct AdapterControlBlock *acb);
104 static void arcmsr_request_device_map(unsigned long pacb);
105 static void arcmsr_hbaA_request_device_map(struct AdapterControlBlock *acb);
106 static void arcmsr_hbaB_request_device_map(struct AdapterControlBlock *acb);
107 static void arcmsr_hbaC_request_device_map(struct AdapterControlBlock *acb);
108 static void arcmsr_message_isr_bh_fn(struct work_struct *work);
109 static bool arcmsr_get_firmware_spec(struct AdapterControlBlock *acb);
110 static void arcmsr_start_adapter_bgrb(struct AdapterControlBlock *acb);
111 static void arcmsr_hbaC_message_isr(struct AdapterControlBlock *pACB);
112 static void arcmsr_hbaD_message_isr(struct AdapterControlBlock *acb);
113 static void arcmsr_hardware_reset(struct AdapterControlBlock *acb);
114 static const char *arcmsr_info(struct Scsi_Host *);
115 static irqreturn_t arcmsr_interrupt(struct AdapterControlBlock *acb);
116 static void arcmsr_free_irq(struct pci_dev *, struct AdapterControlBlock *);
117 static void arcmsr_wait_firmware_ready(struct AdapterControlBlock *acb);
118 static int arcmsr_adjust_disk_queue_depth(struct scsi_device *sdev, int queue_depth)
120 if (queue_depth > ARCMSR_MAX_CMD_PERLUN)
121 queue_depth = ARCMSR_MAX_CMD_PERLUN;
122 return scsi_change_queue_depth(sdev, queue_depth);
125 static struct scsi_host_template arcmsr_scsi_host_template = {
126 .module = THIS_MODULE,
127 .name = "Areca SAS/SATA RAID driver",
129 .queuecommand = arcmsr_queue_command,
130 .eh_abort_handler = arcmsr_abort,
131 .eh_bus_reset_handler = arcmsr_bus_reset,
132 .bios_param = arcmsr_bios_param,
133 .change_queue_depth = arcmsr_adjust_disk_queue_depth,
134 .can_queue = ARCMSR_MAX_OUTSTANDING_CMD,
135 .this_id = ARCMSR_SCSI_INITIATOR_ID,
136 .sg_tablesize = ARCMSR_DEFAULT_SG_ENTRIES,
137 .max_sectors = ARCMSR_MAX_XFER_SECTORS_C,
138 .cmd_per_lun = ARCMSR_MAX_CMD_PERLUN,
139 .use_clustering = ENABLE_CLUSTERING,
140 .shost_attrs = arcmsr_host_attrs,
144 static struct pci_device_id arcmsr_device_id_table[] = {
145 {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1110),
146 .driver_data = ACB_ADAPTER_TYPE_A},
147 {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1120),
148 .driver_data = ACB_ADAPTER_TYPE_A},
149 {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1130),
150 .driver_data = ACB_ADAPTER_TYPE_A},
151 {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1160),
152 .driver_data = ACB_ADAPTER_TYPE_A},
153 {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1170),
154 .driver_data = ACB_ADAPTER_TYPE_A},
155 {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1200),
156 .driver_data = ACB_ADAPTER_TYPE_B},
157 {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1201),
158 .driver_data = ACB_ADAPTER_TYPE_B},
159 {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1202),
160 .driver_data = ACB_ADAPTER_TYPE_B},
161 {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1203),
162 .driver_data = ACB_ADAPTER_TYPE_B},
163 {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1210),
164 .driver_data = ACB_ADAPTER_TYPE_A},
165 {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1214),
166 .driver_data = ACB_ADAPTER_TYPE_D},
167 {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1220),
168 .driver_data = ACB_ADAPTER_TYPE_A},
169 {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1230),
170 .driver_data = ACB_ADAPTER_TYPE_A},
171 {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1260),
172 .driver_data = ACB_ADAPTER_TYPE_A},
173 {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1270),
174 .driver_data = ACB_ADAPTER_TYPE_A},
175 {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1280),
176 .driver_data = ACB_ADAPTER_TYPE_A},
177 {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1380),
178 .driver_data = ACB_ADAPTER_TYPE_A},
179 {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1381),
180 .driver_data = ACB_ADAPTER_TYPE_A},
181 {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1680),
182 .driver_data = ACB_ADAPTER_TYPE_A},
183 {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1681),
184 .driver_data = ACB_ADAPTER_TYPE_A},
185 {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1880),
186 .driver_data = ACB_ADAPTER_TYPE_C},
187 {0, 0}, /* Terminating entry */
189 MODULE_DEVICE_TABLE(pci, arcmsr_device_id_table);
191 static struct pci_driver arcmsr_pci_driver = {
193 .id_table = arcmsr_device_id_table,
194 .probe = arcmsr_probe,
195 .remove = arcmsr_remove,
196 .suspend = arcmsr_suspend,
197 .resume = arcmsr_resume,
198 .shutdown = arcmsr_shutdown,
201 ****************************************************************************
202 ****************************************************************************
205 static void arcmsr_free_mu(struct AdapterControlBlock *acb)
207 switch (acb->adapter_type) {
208 case ACB_ADAPTER_TYPE_B:
209 case ACB_ADAPTER_TYPE_D: {
210 dma_free_coherent(&acb->pdev->dev, acb->roundup_ccbsize,
211 acb->dma_coherent2, acb->dma_coherent_handle2);
217 static bool arcmsr_remap_pciregion(struct AdapterControlBlock *acb)
219 struct pci_dev *pdev = acb->pdev;
220 switch (acb->adapter_type){
221 case ACB_ADAPTER_TYPE_A:{
222 acb->pmuA = ioremap(pci_resource_start(pdev,0), pci_resource_len(pdev,0));
224 printk(KERN_NOTICE "arcmsr%d: memory mapping region fail \n", acb->host->host_no);
229 case ACB_ADAPTER_TYPE_B:{
230 void __iomem *mem_base0, *mem_base1;
231 mem_base0 = ioremap(pci_resource_start(pdev, 0), pci_resource_len(pdev, 0));
233 printk(KERN_NOTICE "arcmsr%d: memory mapping region fail \n", acb->host->host_no);
236 mem_base1 = ioremap(pci_resource_start(pdev, 2), pci_resource_len(pdev, 2));
239 printk(KERN_NOTICE "arcmsr%d: memory mapping region fail \n", acb->host->host_no);
242 acb->mem_base0 = mem_base0;
243 acb->mem_base1 = mem_base1;
246 case ACB_ADAPTER_TYPE_C:{
247 acb->pmuC = ioremap_nocache(pci_resource_start(pdev, 1), pci_resource_len(pdev, 1));
249 printk(KERN_NOTICE "arcmsr%d: memory mapping region fail \n", acb->host->host_no);
252 if (readl(&acb->pmuC->outbound_doorbell) & ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE) {
253 writel(ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE_DOORBELL_CLEAR, &acb->pmuC->outbound_doorbell_clear);/*clear interrupt*/
258 case ACB_ADAPTER_TYPE_D: {
259 void __iomem *mem_base0;
260 unsigned long addr, range, flags;
262 addr = (unsigned long)pci_resource_start(pdev, 0);
263 range = pci_resource_len(pdev, 0);
264 flags = pci_resource_flags(pdev, 0);
265 mem_base0 = ioremap(addr, range);
267 pr_notice("arcmsr%d: memory mapping region fail\n",
271 acb->mem_base0 = mem_base0;
278 static void arcmsr_unmap_pciregion(struct AdapterControlBlock *acb)
280 switch (acb->adapter_type) {
281 case ACB_ADAPTER_TYPE_A:{
285 case ACB_ADAPTER_TYPE_B:{
286 iounmap(acb->mem_base0);
287 iounmap(acb->mem_base1);
291 case ACB_ADAPTER_TYPE_C:{
295 case ACB_ADAPTER_TYPE_D:
296 iounmap(acb->mem_base0);
301 static irqreturn_t arcmsr_do_interrupt(int irq, void *dev_id)
303 irqreturn_t handle_state;
304 struct AdapterControlBlock *acb = dev_id;
306 handle_state = arcmsr_interrupt(acb);
310 static int arcmsr_bios_param(struct scsi_device *sdev,
311 struct block_device *bdev, sector_t capacity, int *geom)
313 int ret, heads, sectors, cylinders, total_capacity;
314 unsigned char *buffer;/* return copy of block device's partition table */
316 buffer = scsi_bios_ptable(bdev);
318 ret = scsi_partsize(buffer, capacity, &geom[2], &geom[0], &geom[1]);
323 total_capacity = capacity;
326 cylinders = total_capacity / (heads * sectors);
327 if (cylinders > 1024) {
330 cylinders = total_capacity / (heads * sectors);
338 static uint8_t arcmsr_hbaA_wait_msgint_ready(struct AdapterControlBlock *acb)
340 struct MessageUnit_A __iomem *reg = acb->pmuA;
343 for (i = 0; i < 2000; i++) {
344 if (readl(®->outbound_intstatus) &
345 ARCMSR_MU_OUTBOUND_MESSAGE0_INT) {
346 writel(ARCMSR_MU_OUTBOUND_MESSAGE0_INT,
347 ®->outbound_intstatus);
351 } /* max 20 seconds */
356 static uint8_t arcmsr_hbaB_wait_msgint_ready(struct AdapterControlBlock *acb)
358 struct MessageUnit_B *reg = acb->pmuB;
361 for (i = 0; i < 2000; i++) {
362 if (readl(reg->iop2drv_doorbell)
363 & ARCMSR_IOP2DRV_MESSAGE_CMD_DONE) {
364 writel(ARCMSR_MESSAGE_INT_CLEAR_PATTERN,
365 reg->iop2drv_doorbell);
366 writel(ARCMSR_DRV2IOP_END_OF_INTERRUPT,
367 reg->drv2iop_doorbell);
371 } /* max 20 seconds */
376 static uint8_t arcmsr_hbaC_wait_msgint_ready(struct AdapterControlBlock *pACB)
378 struct MessageUnit_C __iomem *phbcmu = pACB->pmuC;
381 for (i = 0; i < 2000; i++) {
382 if (readl(&phbcmu->outbound_doorbell)
383 & ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE) {
384 writel(ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE_DOORBELL_CLEAR,
385 &phbcmu->outbound_doorbell_clear); /*clear interrupt*/
389 } /* max 20 seconds */
394 static bool arcmsr_hbaD_wait_msgint_ready(struct AdapterControlBlock *pACB)
396 struct MessageUnit_D *reg = pACB->pmuD;
399 for (i = 0; i < 2000; i++) {
400 if (readl(reg->outbound_doorbell)
401 & ARCMSR_ARC1214_IOP2DRV_MESSAGE_CMD_DONE) {
402 writel(ARCMSR_ARC1214_IOP2DRV_MESSAGE_CMD_DONE,
403 reg->outbound_doorbell);
407 } /* max 20 seconds */
411 static void arcmsr_hbaA_flush_cache(struct AdapterControlBlock *acb)
413 struct MessageUnit_A __iomem *reg = acb->pmuA;
414 int retry_count = 30;
415 writel(ARCMSR_INBOUND_MESG0_FLUSH_CACHE, ®->inbound_msgaddr0);
417 if (arcmsr_hbaA_wait_msgint_ready(acb))
421 printk(KERN_NOTICE "arcmsr%d: wait 'flush adapter cache' \
422 timeout, retry count down = %d \n", acb->host->host_no, retry_count);
424 } while (retry_count != 0);
427 static void arcmsr_hbaB_flush_cache(struct AdapterControlBlock *acb)
429 struct MessageUnit_B *reg = acb->pmuB;
430 int retry_count = 30;
431 writel(ARCMSR_MESSAGE_FLUSH_CACHE, reg->drv2iop_doorbell);
433 if (arcmsr_hbaB_wait_msgint_ready(acb))
437 printk(KERN_NOTICE "arcmsr%d: wait 'flush adapter cache' \
438 timeout,retry count down = %d \n", acb->host->host_no, retry_count);
440 } while (retry_count != 0);
443 static void arcmsr_hbaC_flush_cache(struct AdapterControlBlock *pACB)
445 struct MessageUnit_C __iomem *reg = pACB->pmuC;
446 int retry_count = 30;/* enlarge wait flush adapter cache time: 10 minute */
447 writel(ARCMSR_INBOUND_MESG0_FLUSH_CACHE, ®->inbound_msgaddr0);
448 writel(ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE, ®->inbound_doorbell);
450 if (arcmsr_hbaC_wait_msgint_ready(pACB)) {
454 printk(KERN_NOTICE "arcmsr%d: wait 'flush adapter cache' \
455 timeout,retry count down = %d \n", pACB->host->host_no, retry_count);
457 } while (retry_count != 0);
461 static void arcmsr_hbaD_flush_cache(struct AdapterControlBlock *pACB)
463 int retry_count = 15;
464 struct MessageUnit_D *reg = pACB->pmuD;
466 writel(ARCMSR_INBOUND_MESG0_FLUSH_CACHE, reg->inbound_msgaddr0);
468 if (arcmsr_hbaD_wait_msgint_ready(pACB))
472 pr_notice("arcmsr%d: wait 'flush adapter "
473 "cache' timeout, retry count down = %d\n",
474 pACB->host->host_no, retry_count);
475 } while (retry_count != 0);
478 static void arcmsr_flush_adapter_cache(struct AdapterControlBlock *acb)
480 switch (acb->adapter_type) {
482 case ACB_ADAPTER_TYPE_A: {
483 arcmsr_hbaA_flush_cache(acb);
487 case ACB_ADAPTER_TYPE_B: {
488 arcmsr_hbaB_flush_cache(acb);
491 case ACB_ADAPTER_TYPE_C: {
492 arcmsr_hbaC_flush_cache(acb);
495 case ACB_ADAPTER_TYPE_D:
496 arcmsr_hbaD_flush_cache(acb);
501 static bool arcmsr_alloc_io_queue(struct AdapterControlBlock *acb)
505 dma_addr_t dma_coherent_handle;
506 struct pci_dev *pdev = acb->pdev;
508 switch (acb->adapter_type) {
509 case ACB_ADAPTER_TYPE_B: {
510 struct MessageUnit_B *reg;
511 acb->roundup_ccbsize = roundup(sizeof(struct MessageUnit_B), 32);
512 dma_coherent = dma_zalloc_coherent(&pdev->dev, acb->roundup_ccbsize,
513 &dma_coherent_handle, GFP_KERNEL);
515 pr_notice("arcmsr%d: DMA allocation failed\n", acb->host->host_no);
518 acb->dma_coherent_handle2 = dma_coherent_handle;
519 acb->dma_coherent2 = dma_coherent;
520 reg = (struct MessageUnit_B *)dma_coherent;
522 if (acb->pdev->device == PCI_DEVICE_ID_ARECA_1203) {
523 reg->drv2iop_doorbell = MEM_BASE0(ARCMSR_DRV2IOP_DOORBELL_1203);
524 reg->drv2iop_doorbell_mask = MEM_BASE0(ARCMSR_DRV2IOP_DOORBELL_MASK_1203);
525 reg->iop2drv_doorbell = MEM_BASE0(ARCMSR_IOP2DRV_DOORBELL_1203);
526 reg->iop2drv_doorbell_mask = MEM_BASE0(ARCMSR_IOP2DRV_DOORBELL_MASK_1203);
528 reg->drv2iop_doorbell = MEM_BASE0(ARCMSR_DRV2IOP_DOORBELL);
529 reg->drv2iop_doorbell_mask = MEM_BASE0(ARCMSR_DRV2IOP_DOORBELL_MASK);
530 reg->iop2drv_doorbell = MEM_BASE0(ARCMSR_IOP2DRV_DOORBELL);
531 reg->iop2drv_doorbell_mask = MEM_BASE0(ARCMSR_IOP2DRV_DOORBELL_MASK);
533 reg->message_wbuffer = MEM_BASE1(ARCMSR_MESSAGE_WBUFFER);
534 reg->message_rbuffer = MEM_BASE1(ARCMSR_MESSAGE_RBUFFER);
535 reg->message_rwbuffer = MEM_BASE1(ARCMSR_MESSAGE_RWBUFFER);
538 case ACB_ADAPTER_TYPE_D: {
539 struct MessageUnit_D *reg;
541 acb->roundup_ccbsize = roundup(sizeof(struct MessageUnit_D), 32);
542 dma_coherent = dma_zalloc_coherent(&pdev->dev, acb->roundup_ccbsize,
543 &dma_coherent_handle, GFP_KERNEL);
545 pr_notice("arcmsr%d: DMA allocation failed\n", acb->host->host_no);
548 acb->dma_coherent_handle2 = dma_coherent_handle;
549 acb->dma_coherent2 = dma_coherent;
550 reg = (struct MessageUnit_D *)dma_coherent;
552 reg->chip_id = MEM_BASE0(ARCMSR_ARC1214_CHIP_ID);
553 reg->cpu_mem_config = MEM_BASE0(ARCMSR_ARC1214_CPU_MEMORY_CONFIGURATION);
554 reg->i2o_host_interrupt_mask = MEM_BASE0(ARCMSR_ARC1214_I2_HOST_INTERRUPT_MASK);
555 reg->sample_at_reset = MEM_BASE0(ARCMSR_ARC1214_SAMPLE_RESET);
556 reg->reset_request = MEM_BASE0(ARCMSR_ARC1214_RESET_REQUEST);
557 reg->host_int_status = MEM_BASE0(ARCMSR_ARC1214_MAIN_INTERRUPT_STATUS);
558 reg->pcief0_int_enable = MEM_BASE0(ARCMSR_ARC1214_PCIE_F0_INTERRUPT_ENABLE);
559 reg->inbound_msgaddr0 = MEM_BASE0(ARCMSR_ARC1214_INBOUND_MESSAGE0);
560 reg->inbound_msgaddr1 = MEM_BASE0(ARCMSR_ARC1214_INBOUND_MESSAGE1);
561 reg->outbound_msgaddr0 = MEM_BASE0(ARCMSR_ARC1214_OUTBOUND_MESSAGE0);
562 reg->outbound_msgaddr1 = MEM_BASE0(ARCMSR_ARC1214_OUTBOUND_MESSAGE1);
563 reg->inbound_doorbell = MEM_BASE0(ARCMSR_ARC1214_INBOUND_DOORBELL);
564 reg->outbound_doorbell = MEM_BASE0(ARCMSR_ARC1214_OUTBOUND_DOORBELL);
565 reg->outbound_doorbell_enable = MEM_BASE0(ARCMSR_ARC1214_OUTBOUND_DOORBELL_ENABLE);
566 reg->inboundlist_base_low = MEM_BASE0(ARCMSR_ARC1214_INBOUND_LIST_BASE_LOW);
567 reg->inboundlist_base_high = MEM_BASE0(ARCMSR_ARC1214_INBOUND_LIST_BASE_HIGH);
568 reg->inboundlist_write_pointer = MEM_BASE0(ARCMSR_ARC1214_INBOUND_LIST_WRITE_POINTER);
569 reg->outboundlist_base_low = MEM_BASE0(ARCMSR_ARC1214_OUTBOUND_LIST_BASE_LOW);
570 reg->outboundlist_base_high = MEM_BASE0(ARCMSR_ARC1214_OUTBOUND_LIST_BASE_HIGH);
571 reg->outboundlist_copy_pointer = MEM_BASE0(ARCMSR_ARC1214_OUTBOUND_LIST_COPY_POINTER);
572 reg->outboundlist_read_pointer = MEM_BASE0(ARCMSR_ARC1214_OUTBOUND_LIST_READ_POINTER);
573 reg->outboundlist_interrupt_cause = MEM_BASE0(ARCMSR_ARC1214_OUTBOUND_INTERRUPT_CAUSE);
574 reg->outboundlist_interrupt_enable = MEM_BASE0(ARCMSR_ARC1214_OUTBOUND_INTERRUPT_ENABLE);
575 reg->message_wbuffer = MEM_BASE0(ARCMSR_ARC1214_MESSAGE_WBUFFER);
576 reg->message_rbuffer = MEM_BASE0(ARCMSR_ARC1214_MESSAGE_RBUFFER);
577 reg->msgcode_rwbuffer = MEM_BASE0(ARCMSR_ARC1214_MESSAGE_RWBUFFER);
586 static int arcmsr_alloc_ccb_pool(struct AdapterControlBlock *acb)
588 struct pci_dev *pdev = acb->pdev;
590 dma_addr_t dma_coherent_handle;
591 struct CommandControlBlock *ccb_tmp;
593 dma_addr_t cdb_phyaddr;
594 unsigned long roundup_ccbsize;
595 unsigned long max_xfer_len;
596 unsigned long max_sg_entrys;
597 uint32_t firm_config_version;
599 for (i = 0; i < ARCMSR_MAX_TARGETID; i++)
600 for (j = 0; j < ARCMSR_MAX_TARGETLUN; j++)
601 acb->devstate[i][j] = ARECA_RAID_GONE;
603 max_xfer_len = ARCMSR_MAX_XFER_LEN;
604 max_sg_entrys = ARCMSR_DEFAULT_SG_ENTRIES;
605 firm_config_version = acb->firm_cfg_version;
606 if((firm_config_version & 0xFF) >= 3){
607 max_xfer_len = (ARCMSR_CDB_SG_PAGE_LENGTH << ((firm_config_version >> 8) & 0xFF)) * 1024;/* max 4M byte */
608 max_sg_entrys = (max_xfer_len/4096);
610 acb->host->max_sectors = max_xfer_len/512;
611 acb->host->sg_tablesize = max_sg_entrys;
612 roundup_ccbsize = roundup(sizeof(struct CommandControlBlock) + (max_sg_entrys - 1) * sizeof(struct SG64ENTRY), 32);
613 acb->uncache_size = roundup_ccbsize * ARCMSR_MAX_FREECCB_NUM;
614 dma_coherent = dma_alloc_coherent(&pdev->dev, acb->uncache_size, &dma_coherent_handle, GFP_KERNEL);
616 printk(KERN_NOTICE "arcmsr%d: dma_alloc_coherent got error\n", acb->host->host_no);
619 acb->dma_coherent = dma_coherent;
620 acb->dma_coherent_handle = dma_coherent_handle;
621 memset(dma_coherent, 0, acb->uncache_size);
622 ccb_tmp = dma_coherent;
623 acb->vir2phy_offset = (unsigned long)dma_coherent - (unsigned long)dma_coherent_handle;
624 for(i = 0; i < ARCMSR_MAX_FREECCB_NUM; i++){
625 cdb_phyaddr = dma_coherent_handle + offsetof(struct CommandControlBlock, arcmsr_cdb);
626 switch (acb->adapter_type) {
627 case ACB_ADAPTER_TYPE_A:
628 case ACB_ADAPTER_TYPE_B:
629 ccb_tmp->cdb_phyaddr = cdb_phyaddr >> 5;
631 case ACB_ADAPTER_TYPE_C:
632 case ACB_ADAPTER_TYPE_D:
633 ccb_tmp->cdb_phyaddr = cdb_phyaddr;
636 acb->pccb_pool[i] = ccb_tmp;
638 INIT_LIST_HEAD(&ccb_tmp->list);
639 list_add_tail(&ccb_tmp->list, &acb->ccb_free_list);
640 ccb_tmp = (struct CommandControlBlock *)((unsigned long)ccb_tmp + roundup_ccbsize);
641 dma_coherent_handle = dma_coherent_handle + roundup_ccbsize;
646 static void arcmsr_message_isr_bh_fn(struct work_struct *work)
648 struct AdapterControlBlock *acb = container_of(work,
649 struct AdapterControlBlock, arcmsr_do_message_isr_bh);
650 char *acb_dev_map = (char *)acb->device_map;
651 uint32_t __iomem *signature = NULL;
652 char __iomem *devicemap = NULL;
654 struct scsi_device *psdev;
657 switch (acb->adapter_type) {
658 case ACB_ADAPTER_TYPE_A: {
659 struct MessageUnit_A __iomem *reg = acb->pmuA;
661 signature = (uint32_t __iomem *)(®->message_rwbuffer[0]);
662 devicemap = (char __iomem *)(®->message_rwbuffer[21]);
665 case ACB_ADAPTER_TYPE_B: {
666 struct MessageUnit_B *reg = acb->pmuB;
668 signature = (uint32_t __iomem *)(®->message_rwbuffer[0]);
669 devicemap = (char __iomem *)(®->message_rwbuffer[21]);
672 case ACB_ADAPTER_TYPE_C: {
673 struct MessageUnit_C __iomem *reg = acb->pmuC;
675 signature = (uint32_t __iomem *)(®->msgcode_rwbuffer[0]);
676 devicemap = (char __iomem *)(®->msgcode_rwbuffer[21]);
679 case ACB_ADAPTER_TYPE_D: {
680 struct MessageUnit_D *reg = acb->pmuD;
682 signature = (uint32_t __iomem *)(®->msgcode_rwbuffer[0]);
683 devicemap = (char __iomem *)(®->msgcode_rwbuffer[21]);
687 atomic_inc(&acb->rq_map_token);
688 if (readl(signature) != ARCMSR_SIGNATURE_GET_CONFIG)
690 for (target = 0; target < ARCMSR_MAX_TARGETID - 1;
692 temp = readb(devicemap);
693 diff = (*acb_dev_map) ^ temp;
696 for (lun = 0; lun < ARCMSR_MAX_TARGETLUN;
698 if ((diff & 0x01) == 1 &&
699 (temp & 0x01) == 1) {
700 scsi_add_device(acb->host,
702 } else if ((diff & 0x01) == 1
703 && (temp & 0x01) == 0) {
704 psdev = scsi_device_lookup(acb->host,
707 scsi_remove_device(psdev);
708 scsi_device_put(psdev);
721 arcmsr_request_irq(struct pci_dev *pdev, struct AdapterControlBlock *acb)
724 struct msix_entry entries[ARCMST_NUM_MSIX_VECTORS];
726 for (i = 0; i < ARCMST_NUM_MSIX_VECTORS; i++)
727 entries[i].entry = i;
728 r = pci_enable_msix_range(pdev, entries, 1, ARCMST_NUM_MSIX_VECTORS);
731 acb->msix_vector_count = r;
732 for (i = 0; i < r; i++) {
733 if (request_irq(entries[i].vector,
734 arcmsr_do_interrupt, 0, "arcmsr", acb)) {
735 pr_warn("arcmsr%d: request_irq =%d failed!\n",
736 acb->host->host_no, entries[i].vector);
737 for (j = 0 ; j < i ; j++)
738 free_irq(entries[j].vector, acb);
739 pci_disable_msix(pdev);
742 acb->entries[i] = entries[i];
744 acb->acb_flags |= ACB_F_MSIX_ENABLED;
745 pr_info("arcmsr%d: msi-x enabled\n", acb->host->host_no);
748 if (pci_enable_msi_exact(pdev, 1) < 0)
750 if (request_irq(pdev->irq, arcmsr_do_interrupt,
751 IRQF_SHARED, "arcmsr", acb)) {
752 pr_warn("arcmsr%d: request_irq =%d failed!\n",
753 acb->host->host_no, pdev->irq);
754 pci_disable_msi(pdev);
757 acb->acb_flags |= ACB_F_MSI_ENABLED;
758 pr_info("arcmsr%d: msi enabled\n", acb->host->host_no);
761 if (request_irq(pdev->irq, arcmsr_do_interrupt,
762 IRQF_SHARED, "arcmsr", acb)) {
763 pr_warn("arcmsr%d: request_irq = %d failed!\n",
764 acb->host->host_no, pdev->irq);
770 static int arcmsr_probe(struct pci_dev *pdev, const struct pci_device_id *id)
772 struct Scsi_Host *host;
773 struct AdapterControlBlock *acb;
776 error = pci_enable_device(pdev);
780 host = scsi_host_alloc(&arcmsr_scsi_host_template, sizeof(struct AdapterControlBlock));
782 goto pci_disable_dev;
784 error = pci_set_dma_mask(pdev, DMA_BIT_MASK(64));
786 error = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
789 "scsi%d: No suitable DMA mask available\n",
791 goto scsi_host_release;
794 init_waitqueue_head(&wait_q);
795 bus = pdev->bus->number;
796 dev_fun = pdev->devfn;
797 acb = (struct AdapterControlBlock *) host->hostdata;
798 memset(acb,0,sizeof(struct AdapterControlBlock));
801 host->max_lun = ARCMSR_MAX_TARGETLUN;
802 host->max_id = ARCMSR_MAX_TARGETID; /*16:8*/
803 host->max_cmd_len = 16; /*this is issue of 64bit LBA ,over 2T byte*/
804 host->can_queue = ARCMSR_MAX_OUTSTANDING_CMD;
805 host->cmd_per_lun = ARCMSR_MAX_CMD_PERLUN;
806 host->this_id = ARCMSR_SCSI_INITIATOR_ID;
807 host->unique_id = (bus << 8) | dev_fun;
808 pci_set_drvdata(pdev, host);
809 pci_set_master(pdev);
810 error = pci_request_regions(pdev, "arcmsr");
812 goto scsi_host_release;
814 spin_lock_init(&acb->eh_lock);
815 spin_lock_init(&acb->ccblist_lock);
816 spin_lock_init(&acb->postq_lock);
817 spin_lock_init(&acb->doneq_lock);
818 spin_lock_init(&acb->rqbuffer_lock);
819 spin_lock_init(&acb->wqbuffer_lock);
820 acb->acb_flags |= (ACB_F_MESSAGE_WQBUFFER_CLEARED |
821 ACB_F_MESSAGE_RQBUFFER_CLEARED |
822 ACB_F_MESSAGE_WQBUFFER_READED);
823 acb->acb_flags &= ~ACB_F_SCSISTOPADAPTER;
824 INIT_LIST_HEAD(&acb->ccb_free_list);
825 acb->adapter_type = id->driver_data;
826 error = arcmsr_remap_pciregion(acb);
828 goto pci_release_regs;
830 error = arcmsr_alloc_io_queue(acb);
832 goto unmap_pci_region;
833 error = arcmsr_get_firmware_spec(acb);
837 error = arcmsr_alloc_ccb_pool(acb);
841 error = scsi_add_host(host, &pdev->dev);
845 if (arcmsr_request_irq(pdev, acb) == FAILED)
846 goto scsi_host_remove;
847 arcmsr_iop_init(acb);
848 INIT_WORK(&acb->arcmsr_do_message_isr_bh, arcmsr_message_isr_bh_fn);
849 atomic_set(&acb->rq_map_token, 16);
850 atomic_set(&acb->ante_token_value, 16);
851 acb->fw_flag = FW_NORMAL;
852 init_timer(&acb->eternal_timer);
853 acb->eternal_timer.expires = jiffies + msecs_to_jiffies(6 * HZ);
854 acb->eternal_timer.data = (unsigned long) acb;
855 acb->eternal_timer.function = &arcmsr_request_device_map;
856 add_timer(&acb->eternal_timer);
857 if(arcmsr_alloc_sysfs_attr(acb))
859 scsi_scan_host(host);
862 del_timer_sync(&acb->eternal_timer);
863 flush_work(&acb->arcmsr_do_message_isr_bh);
864 arcmsr_stop_adapter_bgrb(acb);
865 arcmsr_flush_adapter_cache(acb);
866 arcmsr_free_irq(pdev, acb);
868 scsi_remove_host(host);
870 arcmsr_free_ccb_pool(acb);
874 arcmsr_unmap_pciregion(acb);
876 pci_release_regions(pdev);
880 pci_disable_device(pdev);
884 static void arcmsr_free_irq(struct pci_dev *pdev,
885 struct AdapterControlBlock *acb)
889 if (acb->acb_flags & ACB_F_MSI_ENABLED) {
890 free_irq(pdev->irq, acb);
891 pci_disable_msi(pdev);
892 } else if (acb->acb_flags & ACB_F_MSIX_ENABLED) {
893 for (i = 0; i < acb->msix_vector_count; i++)
894 free_irq(acb->entries[i].vector, acb);
895 pci_disable_msix(pdev);
897 free_irq(pdev->irq, acb);
900 static int arcmsr_suspend(struct pci_dev *pdev, pm_message_t state)
902 uint32_t intmask_org;
903 struct Scsi_Host *host = pci_get_drvdata(pdev);
904 struct AdapterControlBlock *acb =
905 (struct AdapterControlBlock *)host->hostdata;
907 intmask_org = arcmsr_disable_outbound_ints(acb);
908 arcmsr_free_irq(pdev, acb);
909 del_timer_sync(&acb->eternal_timer);
910 flush_work(&acb->arcmsr_do_message_isr_bh);
911 arcmsr_stop_adapter_bgrb(acb);
912 arcmsr_flush_adapter_cache(acb);
913 pci_set_drvdata(pdev, host);
914 pci_save_state(pdev);
915 pci_disable_device(pdev);
916 pci_set_power_state(pdev, pci_choose_state(pdev, state));
920 static int arcmsr_resume(struct pci_dev *pdev)
923 struct Scsi_Host *host = pci_get_drvdata(pdev);
924 struct AdapterControlBlock *acb =
925 (struct AdapterControlBlock *)host->hostdata;
927 pci_set_power_state(pdev, PCI_D0);
928 pci_enable_wake(pdev, PCI_D0, 0);
929 pci_restore_state(pdev);
930 if (pci_enable_device(pdev)) {
931 pr_warn("%s: pci_enable_device error\n", __func__);
934 error = pci_set_dma_mask(pdev, DMA_BIT_MASK(64));
936 error = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
938 pr_warn("scsi%d: No suitable DMA mask available\n",
940 goto controller_unregister;
943 pci_set_master(pdev);
944 if (arcmsr_request_irq(pdev, acb) == FAILED)
945 goto controller_stop;
946 arcmsr_iop_init(acb);
947 INIT_WORK(&acb->arcmsr_do_message_isr_bh, arcmsr_message_isr_bh_fn);
948 atomic_set(&acb->rq_map_token, 16);
949 atomic_set(&acb->ante_token_value, 16);
950 acb->fw_flag = FW_NORMAL;
951 init_timer(&acb->eternal_timer);
952 acb->eternal_timer.expires = jiffies + msecs_to_jiffies(6 * HZ);
953 acb->eternal_timer.data = (unsigned long) acb;
954 acb->eternal_timer.function = &arcmsr_request_device_map;
955 add_timer(&acb->eternal_timer);
958 arcmsr_stop_adapter_bgrb(acb);
959 arcmsr_flush_adapter_cache(acb);
960 controller_unregister:
961 scsi_remove_host(host);
962 arcmsr_free_ccb_pool(acb);
963 arcmsr_unmap_pciregion(acb);
964 pci_release_regions(pdev);
966 pci_disable_device(pdev);
970 static uint8_t arcmsr_hbaA_abort_allcmd(struct AdapterControlBlock *acb)
972 struct MessageUnit_A __iomem *reg = acb->pmuA;
973 writel(ARCMSR_INBOUND_MESG0_ABORT_CMD, ®->inbound_msgaddr0);
974 if (!arcmsr_hbaA_wait_msgint_ready(acb)) {
976 "arcmsr%d: wait 'abort all outstanding command' timeout\n"
977 , acb->host->host_no);
983 static uint8_t arcmsr_hbaB_abort_allcmd(struct AdapterControlBlock *acb)
985 struct MessageUnit_B *reg = acb->pmuB;
987 writel(ARCMSR_MESSAGE_ABORT_CMD, reg->drv2iop_doorbell);
988 if (!arcmsr_hbaB_wait_msgint_ready(acb)) {
990 "arcmsr%d: wait 'abort all outstanding command' timeout\n"
991 , acb->host->host_no);
996 static uint8_t arcmsr_hbaC_abort_allcmd(struct AdapterControlBlock *pACB)
998 struct MessageUnit_C __iomem *reg = pACB->pmuC;
999 writel(ARCMSR_INBOUND_MESG0_ABORT_CMD, ®->inbound_msgaddr0);
1000 writel(ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE, ®->inbound_doorbell);
1001 if (!arcmsr_hbaC_wait_msgint_ready(pACB)) {
1003 "arcmsr%d: wait 'abort all outstanding command' timeout\n"
1004 , pACB->host->host_no);
1010 static uint8_t arcmsr_hbaD_abort_allcmd(struct AdapterControlBlock *pACB)
1012 struct MessageUnit_D *reg = pACB->pmuD;
1014 writel(ARCMSR_INBOUND_MESG0_ABORT_CMD, reg->inbound_msgaddr0);
1015 if (!arcmsr_hbaD_wait_msgint_ready(pACB)) {
1016 pr_notice("arcmsr%d: wait 'abort all outstanding "
1017 "command' timeout\n", pACB->host->host_no);
1023 static uint8_t arcmsr_abort_allcmd(struct AdapterControlBlock *acb)
1026 switch (acb->adapter_type) {
1027 case ACB_ADAPTER_TYPE_A: {
1028 rtnval = arcmsr_hbaA_abort_allcmd(acb);
1032 case ACB_ADAPTER_TYPE_B: {
1033 rtnval = arcmsr_hbaB_abort_allcmd(acb);
1037 case ACB_ADAPTER_TYPE_C: {
1038 rtnval = arcmsr_hbaC_abort_allcmd(acb);
1042 case ACB_ADAPTER_TYPE_D:
1043 rtnval = arcmsr_hbaD_abort_allcmd(acb);
1049 static void arcmsr_pci_unmap_dma(struct CommandControlBlock *ccb)
1051 struct scsi_cmnd *pcmd = ccb->pcmd;
1053 scsi_dma_unmap(pcmd);
1056 static void arcmsr_ccb_complete(struct CommandControlBlock *ccb)
1058 struct AdapterControlBlock *acb = ccb->acb;
1059 struct scsi_cmnd *pcmd = ccb->pcmd;
1060 unsigned long flags;
1061 atomic_dec(&acb->ccboutstandingcount);
1062 arcmsr_pci_unmap_dma(ccb);
1063 ccb->startdone = ARCMSR_CCB_DONE;
1064 spin_lock_irqsave(&acb->ccblist_lock, flags);
1065 list_add_tail(&ccb->list, &acb->ccb_free_list);
1066 spin_unlock_irqrestore(&acb->ccblist_lock, flags);
1067 pcmd->scsi_done(pcmd);
1070 static void arcmsr_report_sense_info(struct CommandControlBlock *ccb)
1073 struct scsi_cmnd *pcmd = ccb->pcmd;
1074 struct SENSE_DATA *sensebuffer = (struct SENSE_DATA *)pcmd->sense_buffer;
1075 pcmd->result = DID_OK << 16;
1077 int sense_data_length =
1078 sizeof(struct SENSE_DATA) < SCSI_SENSE_BUFFERSIZE
1079 ? sizeof(struct SENSE_DATA) : SCSI_SENSE_BUFFERSIZE;
1080 memset(sensebuffer, 0, SCSI_SENSE_BUFFERSIZE);
1081 memcpy(sensebuffer, ccb->arcmsr_cdb.SenseData, sense_data_length);
1082 sensebuffer->ErrorCode = SCSI_SENSE_CURRENT_ERRORS;
1083 sensebuffer->Valid = 1;
1087 static u32 arcmsr_disable_outbound_ints(struct AdapterControlBlock *acb)
1090 switch (acb->adapter_type) {
1091 case ACB_ADAPTER_TYPE_A : {
1092 struct MessageUnit_A __iomem *reg = acb->pmuA;
1093 orig_mask = readl(®->outbound_intmask);
1094 writel(orig_mask|ARCMSR_MU_OUTBOUND_ALL_INTMASKENABLE, \
1095 ®->outbound_intmask);
1098 case ACB_ADAPTER_TYPE_B : {
1099 struct MessageUnit_B *reg = acb->pmuB;
1100 orig_mask = readl(reg->iop2drv_doorbell_mask);
1101 writel(0, reg->iop2drv_doorbell_mask);
1104 case ACB_ADAPTER_TYPE_C:{
1105 struct MessageUnit_C __iomem *reg = acb->pmuC;
1106 /* disable all outbound interrupt */
1107 orig_mask = readl(®->host_int_mask); /* disable outbound message0 int */
1108 writel(orig_mask|ARCMSR_HBCMU_ALL_INTMASKENABLE, ®->host_int_mask);
1111 case ACB_ADAPTER_TYPE_D: {
1112 struct MessageUnit_D *reg = acb->pmuD;
1113 /* disable all outbound interrupt */
1114 writel(ARCMSR_ARC1214_ALL_INT_DISABLE, reg->pcief0_int_enable);
1121 static void arcmsr_report_ccb_state(struct AdapterControlBlock *acb,
1122 struct CommandControlBlock *ccb, bool error)
1125 id = ccb->pcmd->device->id;
1126 lun = ccb->pcmd->device->lun;
1128 if (acb->devstate[id][lun] == ARECA_RAID_GONE)
1129 acb->devstate[id][lun] = ARECA_RAID_GOOD;
1130 ccb->pcmd->result = DID_OK << 16;
1131 arcmsr_ccb_complete(ccb);
1133 switch (ccb->arcmsr_cdb.DeviceStatus) {
1134 case ARCMSR_DEV_SELECT_TIMEOUT: {
1135 acb->devstate[id][lun] = ARECA_RAID_GONE;
1136 ccb->pcmd->result = DID_NO_CONNECT << 16;
1137 arcmsr_ccb_complete(ccb);
1141 case ARCMSR_DEV_ABORTED:
1143 case ARCMSR_DEV_INIT_FAIL: {
1144 acb->devstate[id][lun] = ARECA_RAID_GONE;
1145 ccb->pcmd->result = DID_BAD_TARGET << 16;
1146 arcmsr_ccb_complete(ccb);
1150 case ARCMSR_DEV_CHECK_CONDITION: {
1151 acb->devstate[id][lun] = ARECA_RAID_GOOD;
1152 arcmsr_report_sense_info(ccb);
1153 arcmsr_ccb_complete(ccb);
1159 "arcmsr%d: scsi id = %d lun = %d isr get command error done, \
1160 but got unknown DeviceStatus = 0x%x \n"
1161 , acb->host->host_no
1164 , ccb->arcmsr_cdb.DeviceStatus);
1165 acb->devstate[id][lun] = ARECA_RAID_GONE;
1166 ccb->pcmd->result = DID_NO_CONNECT << 16;
1167 arcmsr_ccb_complete(ccb);
1173 static void arcmsr_drain_donequeue(struct AdapterControlBlock *acb, struct CommandControlBlock *pCCB, bool error)
1176 if ((pCCB->acb != acb) || (pCCB->startdone != ARCMSR_CCB_START)) {
1177 if (pCCB->startdone == ARCMSR_CCB_ABORTED) {
1178 struct scsi_cmnd *abortcmd = pCCB->pcmd;
1180 id = abortcmd->device->id;
1181 lun = abortcmd->device->lun;
1182 abortcmd->result |= DID_ABORT << 16;
1183 arcmsr_ccb_complete(pCCB);
1184 printk(KERN_NOTICE "arcmsr%d: pCCB ='0x%p' isr got aborted command \n",
1185 acb->host->host_no, pCCB);
1189 printk(KERN_NOTICE "arcmsr%d: isr get an illegal ccb command \
1191 "ccb = '0x%p' ccbacb = '0x%p' startdone = 0x%x"
1192 " ccboutstandingcount = %d \n"
1193 , acb->host->host_no
1198 , atomic_read(&acb->ccboutstandingcount));
1201 arcmsr_report_ccb_state(acb, pCCB, error);
1204 static void arcmsr_done4abort_postqueue(struct AdapterControlBlock *acb)
1207 uint32_t flag_ccb, ccb_cdb_phy;
1208 struct ARCMSR_CDB *pARCMSR_CDB;
1210 struct CommandControlBlock *pCCB;
1211 switch (acb->adapter_type) {
1213 case ACB_ADAPTER_TYPE_A: {
1214 struct MessageUnit_A __iomem *reg = acb->pmuA;
1215 uint32_t outbound_intstatus;
1216 outbound_intstatus = readl(®->outbound_intstatus) &
1217 acb->outbound_int_enable;
1218 /*clear and abort all outbound posted Q*/
1219 writel(outbound_intstatus, ®->outbound_intstatus);/*clear interrupt*/
1220 while(((flag_ccb = readl(®->outbound_queueport)) != 0xFFFFFFFF)
1221 && (i++ < ARCMSR_MAX_OUTSTANDING_CMD)) {
1222 pARCMSR_CDB = (struct ARCMSR_CDB *)(acb->vir2phy_offset + (flag_ccb << 5));/*frame must be 32 bytes aligned*/
1223 pCCB = container_of(pARCMSR_CDB, struct CommandControlBlock, arcmsr_cdb);
1224 error = (flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR_MODE0) ? true : false;
1225 arcmsr_drain_donequeue(acb, pCCB, error);
1230 case ACB_ADAPTER_TYPE_B: {
1231 struct MessageUnit_B *reg = acb->pmuB;
1232 /*clear all outbound posted Q*/
1233 writel(ARCMSR_DOORBELL_INT_CLEAR_PATTERN, reg->iop2drv_doorbell); /* clear doorbell interrupt */
1234 for (i = 0; i < ARCMSR_MAX_HBB_POSTQUEUE; i++) {
1235 flag_ccb = reg->done_qbuffer[i];
1236 if (flag_ccb != 0) {
1237 reg->done_qbuffer[i] = 0;
1238 pARCMSR_CDB = (struct ARCMSR_CDB *)(acb->vir2phy_offset+(flag_ccb << 5));/*frame must be 32 bytes aligned*/
1239 pCCB = container_of(pARCMSR_CDB, struct CommandControlBlock, arcmsr_cdb);
1240 error = (flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR_MODE0) ? true : false;
1241 arcmsr_drain_donequeue(acb, pCCB, error);
1243 reg->post_qbuffer[i] = 0;
1245 reg->doneq_index = 0;
1246 reg->postq_index = 0;
1249 case ACB_ADAPTER_TYPE_C: {
1250 struct MessageUnit_C __iomem *reg = acb->pmuC;
1251 while ((readl(®->host_int_status) & ARCMSR_HBCMU_OUTBOUND_POSTQUEUE_ISR) && (i++ < ARCMSR_MAX_OUTSTANDING_CMD)) {
1253 flag_ccb = readl(®->outbound_queueport_low);
1254 ccb_cdb_phy = (flag_ccb & 0xFFFFFFF0);
1255 pARCMSR_CDB = (struct ARCMSR_CDB *)(acb->vir2phy_offset+ccb_cdb_phy);/*frame must be 32 bytes aligned*/
1256 pCCB = container_of(pARCMSR_CDB, struct CommandControlBlock, arcmsr_cdb);
1257 error = (flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR_MODE1) ? true : false;
1258 arcmsr_drain_donequeue(acb, pCCB, error);
1262 case ACB_ADAPTER_TYPE_D: {
1263 struct MessageUnit_D *pmu = acb->pmuD;
1264 uint32_t outbound_write_pointer;
1265 uint32_t doneq_index, index_stripped, addressLow, residual, toggle;
1266 unsigned long flags;
1268 residual = atomic_read(&acb->ccboutstandingcount);
1269 for (i = 0; i < residual; i++) {
1270 spin_lock_irqsave(&acb->doneq_lock, flags);
1271 outbound_write_pointer =
1272 pmu->done_qbuffer[0].addressLow + 1;
1273 doneq_index = pmu->doneq_index;
1274 if ((doneq_index & 0xFFF) !=
1275 (outbound_write_pointer & 0xFFF)) {
1276 toggle = doneq_index & 0x4000;
1277 index_stripped = (doneq_index & 0xFFF) + 1;
1278 index_stripped %= ARCMSR_MAX_ARC1214_DONEQUEUE;
1279 pmu->doneq_index = index_stripped ? (index_stripped | toggle) :
1280 ((toggle ^ 0x4000) + 1);
1281 doneq_index = pmu->doneq_index;
1282 spin_unlock_irqrestore(&acb->doneq_lock, flags);
1283 addressLow = pmu->done_qbuffer[doneq_index &
1285 ccb_cdb_phy = (addressLow & 0xFFFFFFF0);
1286 pARCMSR_CDB = (struct ARCMSR_CDB *)
1287 (acb->vir2phy_offset + ccb_cdb_phy);
1288 pCCB = container_of(pARCMSR_CDB,
1289 struct CommandControlBlock, arcmsr_cdb);
1290 error = (addressLow &
1291 ARCMSR_CCBREPLY_FLAG_ERROR_MODE1) ?
1293 arcmsr_drain_donequeue(acb, pCCB, error);
1295 pmu->outboundlist_read_pointer);
1297 spin_unlock_irqrestore(&acb->doneq_lock, flags);
1301 pmu->postq_index = 0;
1302 pmu->doneq_index = 0x40FF;
1308 static void arcmsr_remove(struct pci_dev *pdev)
1310 struct Scsi_Host *host = pci_get_drvdata(pdev);
1311 struct AdapterControlBlock *acb =
1312 (struct AdapterControlBlock *) host->hostdata;
1314 arcmsr_free_sysfs_attr(acb);
1315 scsi_remove_host(host);
1316 flush_work(&acb->arcmsr_do_message_isr_bh);
1317 del_timer_sync(&acb->eternal_timer);
1318 arcmsr_disable_outbound_ints(acb);
1319 arcmsr_stop_adapter_bgrb(acb);
1320 arcmsr_flush_adapter_cache(acb);
1321 acb->acb_flags |= ACB_F_SCSISTOPADAPTER;
1322 acb->acb_flags &= ~ACB_F_IOP_INITED;
1324 for (poll_count = 0; poll_count < ARCMSR_MAX_OUTSTANDING_CMD; poll_count++){
1325 if (!atomic_read(&acb->ccboutstandingcount))
1327 arcmsr_interrupt(acb);/* FIXME: need spinlock */
1331 if (atomic_read(&acb->ccboutstandingcount)) {
1334 arcmsr_abort_allcmd(acb);
1335 arcmsr_done4abort_postqueue(acb);
1336 for (i = 0; i < ARCMSR_MAX_FREECCB_NUM; i++) {
1337 struct CommandControlBlock *ccb = acb->pccb_pool[i];
1338 if (ccb->startdone == ARCMSR_CCB_START) {
1339 ccb->startdone = ARCMSR_CCB_ABORTED;
1340 ccb->pcmd->result = DID_ABORT << 16;
1341 arcmsr_ccb_complete(ccb);
1345 arcmsr_free_irq(pdev, acb);
1346 arcmsr_free_ccb_pool(acb);
1347 arcmsr_free_mu(acb);
1348 arcmsr_unmap_pciregion(acb);
1349 pci_release_regions(pdev);
1350 scsi_host_put(host);
1351 pci_disable_device(pdev);
1354 static void arcmsr_shutdown(struct pci_dev *pdev)
1356 struct Scsi_Host *host = pci_get_drvdata(pdev);
1357 struct AdapterControlBlock *acb =
1358 (struct AdapterControlBlock *)host->hostdata;
1359 del_timer_sync(&acb->eternal_timer);
1360 arcmsr_disable_outbound_ints(acb);
1361 arcmsr_free_irq(pdev, acb);
1362 flush_work(&acb->arcmsr_do_message_isr_bh);
1363 arcmsr_stop_adapter_bgrb(acb);
1364 arcmsr_flush_adapter_cache(acb);
1367 static int arcmsr_module_init(void)
1370 error = pci_register_driver(&arcmsr_pci_driver);
1374 static void arcmsr_module_exit(void)
1376 pci_unregister_driver(&arcmsr_pci_driver);
1378 module_init(arcmsr_module_init);
1379 module_exit(arcmsr_module_exit);
1381 static void arcmsr_enable_outbound_ints(struct AdapterControlBlock *acb,
1385 switch (acb->adapter_type) {
1387 case ACB_ADAPTER_TYPE_A: {
1388 struct MessageUnit_A __iomem *reg = acb->pmuA;
1389 mask = intmask_org & ~(ARCMSR_MU_OUTBOUND_POSTQUEUE_INTMASKENABLE |
1390 ARCMSR_MU_OUTBOUND_DOORBELL_INTMASKENABLE|
1391 ARCMSR_MU_OUTBOUND_MESSAGE0_INTMASKENABLE);
1392 writel(mask, ®->outbound_intmask);
1393 acb->outbound_int_enable = ~(intmask_org & mask) & 0x000000ff;
1397 case ACB_ADAPTER_TYPE_B: {
1398 struct MessageUnit_B *reg = acb->pmuB;
1399 mask = intmask_org | (ARCMSR_IOP2DRV_DATA_WRITE_OK |
1400 ARCMSR_IOP2DRV_DATA_READ_OK |
1401 ARCMSR_IOP2DRV_CDB_DONE |
1402 ARCMSR_IOP2DRV_MESSAGE_CMD_DONE);
1403 writel(mask, reg->iop2drv_doorbell_mask);
1404 acb->outbound_int_enable = (intmask_org | mask) & 0x0000000f;
1407 case ACB_ADAPTER_TYPE_C: {
1408 struct MessageUnit_C __iomem *reg = acb->pmuC;
1409 mask = ~(ARCMSR_HBCMU_UTILITY_A_ISR_MASK | ARCMSR_HBCMU_OUTBOUND_DOORBELL_ISR_MASK|ARCMSR_HBCMU_OUTBOUND_POSTQUEUE_ISR_MASK);
1410 writel(intmask_org & mask, ®->host_int_mask);
1411 acb->outbound_int_enable = ~(intmask_org & mask) & 0x0000000f;
1414 case ACB_ADAPTER_TYPE_D: {
1415 struct MessageUnit_D *reg = acb->pmuD;
1417 mask = ARCMSR_ARC1214_ALL_INT_ENABLE;
1418 writel(intmask_org | mask, reg->pcief0_int_enable);
1424 static int arcmsr_build_ccb(struct AdapterControlBlock *acb,
1425 struct CommandControlBlock *ccb, struct scsi_cmnd *pcmd)
1427 struct ARCMSR_CDB *arcmsr_cdb = (struct ARCMSR_CDB *)&ccb->arcmsr_cdb;
1428 int8_t *psge = (int8_t *)&arcmsr_cdb->u;
1429 __le32 address_lo, address_hi;
1430 int arccdbsize = 0x30;
1433 struct scatterlist *sg;
1436 memset(arcmsr_cdb, 0, sizeof(struct ARCMSR_CDB));
1437 arcmsr_cdb->TargetID = pcmd->device->id;
1438 arcmsr_cdb->LUN = pcmd->device->lun;
1439 arcmsr_cdb->Function = 1;
1440 arcmsr_cdb->msgContext = 0;
1441 memcpy(arcmsr_cdb->Cdb, pcmd->cmnd, pcmd->cmd_len);
1443 nseg = scsi_dma_map(pcmd);
1444 if (unlikely(nseg > acb->host->sg_tablesize || nseg < 0))
1446 scsi_for_each_sg(pcmd, sg, nseg, i) {
1447 /* Get the physical address of the current data pointer */
1448 length = cpu_to_le32(sg_dma_len(sg));
1449 address_lo = cpu_to_le32(dma_addr_lo32(sg_dma_address(sg)));
1450 address_hi = cpu_to_le32(dma_addr_hi32(sg_dma_address(sg)));
1451 if (address_hi == 0) {
1452 struct SG32ENTRY *pdma_sg = (struct SG32ENTRY *)psge;
1454 pdma_sg->address = address_lo;
1455 pdma_sg->length = length;
1456 psge += sizeof (struct SG32ENTRY);
1457 arccdbsize += sizeof (struct SG32ENTRY);
1459 struct SG64ENTRY *pdma_sg = (struct SG64ENTRY *)psge;
1461 pdma_sg->addresshigh = address_hi;
1462 pdma_sg->address = address_lo;
1463 pdma_sg->length = length|cpu_to_le32(IS_SG64_ADDR);
1464 psge += sizeof (struct SG64ENTRY);
1465 arccdbsize += sizeof (struct SG64ENTRY);
1468 arcmsr_cdb->sgcount = (uint8_t)nseg;
1469 arcmsr_cdb->DataLength = scsi_bufflen(pcmd);
1470 arcmsr_cdb->msgPages = arccdbsize/0x100 + (arccdbsize % 0x100 ? 1 : 0);
1471 if ( arccdbsize > 256)
1472 arcmsr_cdb->Flags |= ARCMSR_CDB_FLAG_SGL_BSIZE;
1473 if (pcmd->sc_data_direction == DMA_TO_DEVICE)
1474 arcmsr_cdb->Flags |= ARCMSR_CDB_FLAG_WRITE;
1475 ccb->arc_cdb_size = arccdbsize;
1479 static void arcmsr_post_ccb(struct AdapterControlBlock *acb, struct CommandControlBlock *ccb)
1481 uint32_t cdb_phyaddr = ccb->cdb_phyaddr;
1482 struct ARCMSR_CDB *arcmsr_cdb = (struct ARCMSR_CDB *)&ccb->arcmsr_cdb;
1483 atomic_inc(&acb->ccboutstandingcount);
1484 ccb->startdone = ARCMSR_CCB_START;
1485 switch (acb->adapter_type) {
1486 case ACB_ADAPTER_TYPE_A: {
1487 struct MessageUnit_A __iomem *reg = acb->pmuA;
1489 if (arcmsr_cdb->Flags & ARCMSR_CDB_FLAG_SGL_BSIZE)
1490 writel(cdb_phyaddr | ARCMSR_CCBPOST_FLAG_SGL_BSIZE,
1491 ®->inbound_queueport);
1493 writel(cdb_phyaddr, ®->inbound_queueport);
1497 case ACB_ADAPTER_TYPE_B: {
1498 struct MessageUnit_B *reg = acb->pmuB;
1499 uint32_t ending_index, index = reg->postq_index;
1501 ending_index = ((index + 1) % ARCMSR_MAX_HBB_POSTQUEUE);
1502 reg->post_qbuffer[ending_index] = 0;
1503 if (arcmsr_cdb->Flags & ARCMSR_CDB_FLAG_SGL_BSIZE) {
1504 reg->post_qbuffer[index] =
1505 cdb_phyaddr | ARCMSR_CCBPOST_FLAG_SGL_BSIZE;
1507 reg->post_qbuffer[index] = cdb_phyaddr;
1510 index %= ARCMSR_MAX_HBB_POSTQUEUE;/*if last index number set it to 0 */
1511 reg->postq_index = index;
1512 writel(ARCMSR_DRV2IOP_CDB_POSTED, reg->drv2iop_doorbell);
1515 case ACB_ADAPTER_TYPE_C: {
1516 struct MessageUnit_C __iomem *phbcmu = acb->pmuC;
1517 uint32_t ccb_post_stamp, arc_cdb_size;
1519 arc_cdb_size = (ccb->arc_cdb_size > 0x300) ? 0x300 : ccb->arc_cdb_size;
1520 ccb_post_stamp = (cdb_phyaddr | ((arc_cdb_size - 1) >> 6) | 1);
1521 if (acb->cdb_phyaddr_hi32) {
1522 writel(acb->cdb_phyaddr_hi32, &phbcmu->inbound_queueport_high);
1523 writel(ccb_post_stamp, &phbcmu->inbound_queueport_low);
1525 writel(ccb_post_stamp, &phbcmu->inbound_queueport_low);
1529 case ACB_ADAPTER_TYPE_D: {
1530 struct MessageUnit_D *pmu = acb->pmuD;
1532 u16 postq_index, toggle;
1533 unsigned long flags;
1534 struct InBound_SRB *pinbound_srb;
1536 spin_lock_irqsave(&acb->postq_lock, flags);
1537 postq_index = pmu->postq_index;
1538 pinbound_srb = (struct InBound_SRB *)&(pmu->post_qbuffer[postq_index & 0xFF]);
1539 pinbound_srb->addressHigh = dma_addr_hi32(cdb_phyaddr);
1540 pinbound_srb->addressLow = dma_addr_lo32(cdb_phyaddr);
1541 pinbound_srb->length = ccb->arc_cdb_size >> 2;
1542 arcmsr_cdb->msgContext = dma_addr_lo32(cdb_phyaddr);
1543 toggle = postq_index & 0x4000;
1544 index_stripped = postq_index + 1;
1545 index_stripped &= (ARCMSR_MAX_ARC1214_POSTQUEUE - 1);
1546 pmu->postq_index = index_stripped ? (index_stripped | toggle) :
1548 writel(postq_index, pmu->inboundlist_write_pointer);
1549 spin_unlock_irqrestore(&acb->postq_lock, flags);
1555 static void arcmsr_hbaA_stop_bgrb(struct AdapterControlBlock *acb)
1557 struct MessageUnit_A __iomem *reg = acb->pmuA;
1558 acb->acb_flags &= ~ACB_F_MSG_START_BGRB;
1559 writel(ARCMSR_INBOUND_MESG0_STOP_BGRB, ®->inbound_msgaddr0);
1560 if (!arcmsr_hbaA_wait_msgint_ready(acb)) {
1562 "arcmsr%d: wait 'stop adapter background rebulid' timeout\n"
1563 , acb->host->host_no);
1567 static void arcmsr_hbaB_stop_bgrb(struct AdapterControlBlock *acb)
1569 struct MessageUnit_B *reg = acb->pmuB;
1570 acb->acb_flags &= ~ACB_F_MSG_START_BGRB;
1571 writel(ARCMSR_MESSAGE_STOP_BGRB, reg->drv2iop_doorbell);
1573 if (!arcmsr_hbaB_wait_msgint_ready(acb)) {
1575 "arcmsr%d: wait 'stop adapter background rebulid' timeout\n"
1576 , acb->host->host_no);
1580 static void arcmsr_hbaC_stop_bgrb(struct AdapterControlBlock *pACB)
1582 struct MessageUnit_C __iomem *reg = pACB->pmuC;
1583 pACB->acb_flags &= ~ACB_F_MSG_START_BGRB;
1584 writel(ARCMSR_INBOUND_MESG0_STOP_BGRB, ®->inbound_msgaddr0);
1585 writel(ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE, ®->inbound_doorbell);
1586 if (!arcmsr_hbaC_wait_msgint_ready(pACB)) {
1588 "arcmsr%d: wait 'stop adapter background rebulid' timeout\n"
1589 , pACB->host->host_no);
1594 static void arcmsr_hbaD_stop_bgrb(struct AdapterControlBlock *pACB)
1596 struct MessageUnit_D *reg = pACB->pmuD;
1598 pACB->acb_flags &= ~ACB_F_MSG_START_BGRB;
1599 writel(ARCMSR_INBOUND_MESG0_STOP_BGRB, reg->inbound_msgaddr0);
1600 if (!arcmsr_hbaD_wait_msgint_ready(pACB))
1601 pr_notice("arcmsr%d: wait 'stop adapter background rebulid' "
1602 "timeout\n", pACB->host->host_no);
1605 static void arcmsr_stop_adapter_bgrb(struct AdapterControlBlock *acb)
1607 switch (acb->adapter_type) {
1608 case ACB_ADAPTER_TYPE_A: {
1609 arcmsr_hbaA_stop_bgrb(acb);
1613 case ACB_ADAPTER_TYPE_B: {
1614 arcmsr_hbaB_stop_bgrb(acb);
1617 case ACB_ADAPTER_TYPE_C: {
1618 arcmsr_hbaC_stop_bgrb(acb);
1621 case ACB_ADAPTER_TYPE_D:
1622 arcmsr_hbaD_stop_bgrb(acb);
1627 static void arcmsr_free_ccb_pool(struct AdapterControlBlock *acb)
1629 dma_free_coherent(&acb->pdev->dev, acb->uncache_size, acb->dma_coherent, acb->dma_coherent_handle);
1632 static void arcmsr_iop_message_read(struct AdapterControlBlock *acb)
1634 switch (acb->adapter_type) {
1635 case ACB_ADAPTER_TYPE_A: {
1636 struct MessageUnit_A __iomem *reg = acb->pmuA;
1637 writel(ARCMSR_INBOUND_DRIVER_DATA_READ_OK, ®->inbound_doorbell);
1641 case ACB_ADAPTER_TYPE_B: {
1642 struct MessageUnit_B *reg = acb->pmuB;
1643 writel(ARCMSR_DRV2IOP_DATA_READ_OK, reg->drv2iop_doorbell);
1646 case ACB_ADAPTER_TYPE_C: {
1647 struct MessageUnit_C __iomem *reg = acb->pmuC;
1649 writel(ARCMSR_HBCMU_DRV2IOP_DATA_READ_OK, ®->inbound_doorbell);
1652 case ACB_ADAPTER_TYPE_D: {
1653 struct MessageUnit_D *reg = acb->pmuD;
1654 writel(ARCMSR_ARC1214_DRV2IOP_DATA_OUT_READ,
1655 reg->inbound_doorbell);
1661 static void arcmsr_iop_message_wrote(struct AdapterControlBlock *acb)
1663 switch (acb->adapter_type) {
1664 case ACB_ADAPTER_TYPE_A: {
1665 struct MessageUnit_A __iomem *reg = acb->pmuA;
1667 ** push inbound doorbell tell iop, driver data write ok
1668 ** and wait reply on next hwinterrupt for next Qbuffer post
1670 writel(ARCMSR_INBOUND_DRIVER_DATA_WRITE_OK, ®->inbound_doorbell);
1674 case ACB_ADAPTER_TYPE_B: {
1675 struct MessageUnit_B *reg = acb->pmuB;
1677 ** push inbound doorbell tell iop, driver data write ok
1678 ** and wait reply on next hwinterrupt for next Qbuffer post
1680 writel(ARCMSR_DRV2IOP_DATA_WRITE_OK, reg->drv2iop_doorbell);
1683 case ACB_ADAPTER_TYPE_C: {
1684 struct MessageUnit_C __iomem *reg = acb->pmuC;
1686 ** push inbound doorbell tell iop, driver data write ok
1687 ** and wait reply on next hwinterrupt for next Qbuffer post
1689 writel(ARCMSR_HBCMU_DRV2IOP_DATA_WRITE_OK, ®->inbound_doorbell);
1692 case ACB_ADAPTER_TYPE_D: {
1693 struct MessageUnit_D *reg = acb->pmuD;
1694 writel(ARCMSR_ARC1214_DRV2IOP_DATA_IN_READY,
1695 reg->inbound_doorbell);
1701 struct QBUFFER __iomem *arcmsr_get_iop_rqbuffer(struct AdapterControlBlock *acb)
1703 struct QBUFFER __iomem *qbuffer = NULL;
1704 switch (acb->adapter_type) {
1706 case ACB_ADAPTER_TYPE_A: {
1707 struct MessageUnit_A __iomem *reg = acb->pmuA;
1708 qbuffer = (struct QBUFFER __iomem *)®->message_rbuffer;
1712 case ACB_ADAPTER_TYPE_B: {
1713 struct MessageUnit_B *reg = acb->pmuB;
1714 qbuffer = (struct QBUFFER __iomem *)reg->message_rbuffer;
1717 case ACB_ADAPTER_TYPE_C: {
1718 struct MessageUnit_C __iomem *phbcmu = acb->pmuC;
1719 qbuffer = (struct QBUFFER __iomem *)&phbcmu->message_rbuffer;
1722 case ACB_ADAPTER_TYPE_D: {
1723 struct MessageUnit_D *reg = acb->pmuD;
1724 qbuffer = (struct QBUFFER __iomem *)reg->message_rbuffer;
1731 static struct QBUFFER __iomem *arcmsr_get_iop_wqbuffer(struct AdapterControlBlock *acb)
1733 struct QBUFFER __iomem *pqbuffer = NULL;
1734 switch (acb->adapter_type) {
1736 case ACB_ADAPTER_TYPE_A: {
1737 struct MessageUnit_A __iomem *reg = acb->pmuA;
1738 pqbuffer = (struct QBUFFER __iomem *) ®->message_wbuffer;
1742 case ACB_ADAPTER_TYPE_B: {
1743 struct MessageUnit_B *reg = acb->pmuB;
1744 pqbuffer = (struct QBUFFER __iomem *)reg->message_wbuffer;
1747 case ACB_ADAPTER_TYPE_C: {
1748 struct MessageUnit_C __iomem *reg = acb->pmuC;
1749 pqbuffer = (struct QBUFFER __iomem *)®->message_wbuffer;
1752 case ACB_ADAPTER_TYPE_D: {
1753 struct MessageUnit_D *reg = acb->pmuD;
1754 pqbuffer = (struct QBUFFER __iomem *)reg->message_wbuffer;
1762 arcmsr_Read_iop_rqbuffer_in_DWORD(struct AdapterControlBlock *acb,
1763 struct QBUFFER __iomem *prbuffer)
1766 uint8_t *buf1 = NULL;
1767 uint32_t __iomem *iop_data;
1768 uint32_t iop_len, data_len, *buf2 = NULL;
1770 iop_data = (uint32_t __iomem *)prbuffer->data;
1771 iop_len = readl(&prbuffer->data_len);
1773 buf1 = kmalloc(128, GFP_ATOMIC);
1774 buf2 = (uint32_t *)buf1;
1778 while (data_len >= 4) {
1779 *buf2++ = readl(iop_data);
1784 *buf2 = readl(iop_data);
1785 buf2 = (uint32_t *)buf1;
1787 while (iop_len > 0) {
1788 pQbuffer = &acb->rqbuffer[acb->rqbuf_putIndex];
1790 acb->rqbuf_putIndex++;
1791 /* if last, index number set it to 0 */
1792 acb->rqbuf_putIndex %= ARCMSR_MAX_QBUFFER;
1797 /* let IOP know data has been read */
1798 arcmsr_iop_message_read(acb);
1803 arcmsr_Read_iop_rqbuffer_data(struct AdapterControlBlock *acb,
1804 struct QBUFFER __iomem *prbuffer) {
1807 uint8_t __iomem *iop_data;
1810 if (acb->adapter_type & (ACB_ADAPTER_TYPE_C | ACB_ADAPTER_TYPE_D))
1811 return arcmsr_Read_iop_rqbuffer_in_DWORD(acb, prbuffer);
1812 iop_data = (uint8_t __iomem *)prbuffer->data;
1813 iop_len = readl(&prbuffer->data_len);
1814 while (iop_len > 0) {
1815 pQbuffer = &acb->rqbuffer[acb->rqbuf_putIndex];
1816 *pQbuffer = readb(iop_data);
1817 acb->rqbuf_putIndex++;
1818 acb->rqbuf_putIndex %= ARCMSR_MAX_QBUFFER;
1822 arcmsr_iop_message_read(acb);
1826 static void arcmsr_iop2drv_data_wrote_handle(struct AdapterControlBlock *acb)
1828 unsigned long flags;
1829 struct QBUFFER __iomem *prbuffer;
1830 int32_t buf_empty_len;
1832 spin_lock_irqsave(&acb->rqbuffer_lock, flags);
1833 prbuffer = arcmsr_get_iop_rqbuffer(acb);
1834 buf_empty_len = (acb->rqbuf_putIndex - acb->rqbuf_getIndex - 1) &
1835 (ARCMSR_MAX_QBUFFER - 1);
1836 if (buf_empty_len >= readl(&prbuffer->data_len)) {
1837 if (arcmsr_Read_iop_rqbuffer_data(acb, prbuffer) == 0)
1838 acb->acb_flags |= ACB_F_IOPDATA_OVERFLOW;
1840 acb->acb_flags |= ACB_F_IOPDATA_OVERFLOW;
1841 spin_unlock_irqrestore(&acb->rqbuffer_lock, flags);
1844 static void arcmsr_write_ioctldata2iop_in_DWORD(struct AdapterControlBlock *acb)
1847 struct QBUFFER __iomem *pwbuffer;
1848 uint8_t *buf1 = NULL;
1849 uint32_t __iomem *iop_data;
1850 uint32_t allxfer_len = 0, data_len, *buf2 = NULL, data;
1852 if (acb->acb_flags & ACB_F_MESSAGE_WQBUFFER_READED) {
1853 buf1 = kmalloc(128, GFP_ATOMIC);
1854 buf2 = (uint32_t *)buf1;
1858 acb->acb_flags &= (~ACB_F_MESSAGE_WQBUFFER_READED);
1859 pwbuffer = arcmsr_get_iop_wqbuffer(acb);
1860 iop_data = (uint32_t __iomem *)pwbuffer->data;
1861 while ((acb->wqbuf_getIndex != acb->wqbuf_putIndex)
1862 && (allxfer_len < 124)) {
1863 pQbuffer = &acb->wqbuffer[acb->wqbuf_getIndex];
1865 acb->wqbuf_getIndex++;
1866 acb->wqbuf_getIndex %= ARCMSR_MAX_QBUFFER;
1870 data_len = allxfer_len;
1871 buf1 = (uint8_t *)buf2;
1872 while (data_len >= 4) {
1874 writel(data, iop_data);
1880 writel(data, iop_data);
1882 writel(allxfer_len, &pwbuffer->data_len);
1884 arcmsr_iop_message_wrote(acb);
1889 arcmsr_write_ioctldata2iop(struct AdapterControlBlock *acb)
1892 struct QBUFFER __iomem *pwbuffer;
1893 uint8_t __iomem *iop_data;
1894 int32_t allxfer_len = 0;
1896 if (acb->adapter_type & (ACB_ADAPTER_TYPE_C | ACB_ADAPTER_TYPE_D)) {
1897 arcmsr_write_ioctldata2iop_in_DWORD(acb);
1900 if (acb->acb_flags & ACB_F_MESSAGE_WQBUFFER_READED) {
1901 acb->acb_flags &= (~ACB_F_MESSAGE_WQBUFFER_READED);
1902 pwbuffer = arcmsr_get_iop_wqbuffer(acb);
1903 iop_data = (uint8_t __iomem *)pwbuffer->data;
1904 while ((acb->wqbuf_getIndex != acb->wqbuf_putIndex)
1905 && (allxfer_len < 124)) {
1906 pQbuffer = &acb->wqbuffer[acb->wqbuf_getIndex];
1907 writeb(*pQbuffer, iop_data);
1908 acb->wqbuf_getIndex++;
1909 acb->wqbuf_getIndex %= ARCMSR_MAX_QBUFFER;
1913 writel(allxfer_len, &pwbuffer->data_len);
1914 arcmsr_iop_message_wrote(acb);
1918 static void arcmsr_iop2drv_data_read_handle(struct AdapterControlBlock *acb)
1920 unsigned long flags;
1922 spin_lock_irqsave(&acb->wqbuffer_lock, flags);
1923 acb->acb_flags |= ACB_F_MESSAGE_WQBUFFER_READED;
1924 if (acb->wqbuf_getIndex != acb->wqbuf_putIndex)
1925 arcmsr_write_ioctldata2iop(acb);
1926 if (acb->wqbuf_getIndex == acb->wqbuf_putIndex)
1927 acb->acb_flags |= ACB_F_MESSAGE_WQBUFFER_CLEARED;
1928 spin_unlock_irqrestore(&acb->wqbuffer_lock, flags);
1931 static void arcmsr_hbaA_doorbell_isr(struct AdapterControlBlock *acb)
1933 uint32_t outbound_doorbell;
1934 struct MessageUnit_A __iomem *reg = acb->pmuA;
1935 outbound_doorbell = readl(®->outbound_doorbell);
1937 writel(outbound_doorbell, ®->outbound_doorbell);
1938 if (outbound_doorbell & ARCMSR_OUTBOUND_IOP331_DATA_WRITE_OK)
1939 arcmsr_iop2drv_data_wrote_handle(acb);
1940 if (outbound_doorbell & ARCMSR_OUTBOUND_IOP331_DATA_READ_OK)
1941 arcmsr_iop2drv_data_read_handle(acb);
1942 outbound_doorbell = readl(®->outbound_doorbell);
1943 } while (outbound_doorbell & (ARCMSR_OUTBOUND_IOP331_DATA_WRITE_OK
1944 | ARCMSR_OUTBOUND_IOP331_DATA_READ_OK));
1946 static void arcmsr_hbaC_doorbell_isr(struct AdapterControlBlock *pACB)
1948 uint32_t outbound_doorbell;
1949 struct MessageUnit_C __iomem *reg = pACB->pmuC;
1951 *******************************************************************
1952 ** Maybe here we need to check wrqbuffer_lock is lock or not
1953 ** DOORBELL: din! don!
1954 ** check if there are any mail need to pack from firmware
1955 *******************************************************************
1957 outbound_doorbell = readl(®->outbound_doorbell);
1959 writel(outbound_doorbell, ®->outbound_doorbell_clear);
1960 readl(®->outbound_doorbell_clear);
1961 if (outbound_doorbell & ARCMSR_HBCMU_IOP2DRV_DATA_WRITE_OK)
1962 arcmsr_iop2drv_data_wrote_handle(pACB);
1963 if (outbound_doorbell & ARCMSR_HBCMU_IOP2DRV_DATA_READ_OK)
1964 arcmsr_iop2drv_data_read_handle(pACB);
1965 if (outbound_doorbell & ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE)
1966 arcmsr_hbaC_message_isr(pACB);
1967 outbound_doorbell = readl(®->outbound_doorbell);
1968 } while (outbound_doorbell & (ARCMSR_HBCMU_IOP2DRV_DATA_WRITE_OK
1969 | ARCMSR_HBCMU_IOP2DRV_DATA_READ_OK
1970 | ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE));
1973 static void arcmsr_hbaD_doorbell_isr(struct AdapterControlBlock *pACB)
1975 uint32_t outbound_doorbell;
1976 struct MessageUnit_D *pmu = pACB->pmuD;
1978 outbound_doorbell = readl(pmu->outbound_doorbell);
1980 writel(outbound_doorbell, pmu->outbound_doorbell);
1981 if (outbound_doorbell & ARCMSR_ARC1214_IOP2DRV_MESSAGE_CMD_DONE)
1982 arcmsr_hbaD_message_isr(pACB);
1983 if (outbound_doorbell & ARCMSR_ARC1214_IOP2DRV_DATA_WRITE_OK)
1984 arcmsr_iop2drv_data_wrote_handle(pACB);
1985 if (outbound_doorbell & ARCMSR_ARC1214_IOP2DRV_DATA_READ_OK)
1986 arcmsr_iop2drv_data_read_handle(pACB);
1987 outbound_doorbell = readl(pmu->outbound_doorbell);
1988 } while (outbound_doorbell & (ARCMSR_ARC1214_IOP2DRV_DATA_WRITE_OK
1989 | ARCMSR_ARC1214_IOP2DRV_DATA_READ_OK
1990 | ARCMSR_ARC1214_IOP2DRV_MESSAGE_CMD_DONE));
1993 static void arcmsr_hbaA_postqueue_isr(struct AdapterControlBlock *acb)
1996 struct MessageUnit_A __iomem *reg = acb->pmuA;
1997 struct ARCMSR_CDB *pARCMSR_CDB;
1998 struct CommandControlBlock *pCCB;
2000 while ((flag_ccb = readl(®->outbound_queueport)) != 0xFFFFFFFF) {
2001 pARCMSR_CDB = (struct ARCMSR_CDB *)(acb->vir2phy_offset + (flag_ccb << 5));/*frame must be 32 bytes aligned*/
2002 pCCB = container_of(pARCMSR_CDB, struct CommandControlBlock, arcmsr_cdb);
2003 error = (flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR_MODE0) ? true : false;
2004 arcmsr_drain_donequeue(acb, pCCB, error);
2007 static void arcmsr_hbaB_postqueue_isr(struct AdapterControlBlock *acb)
2011 struct MessageUnit_B *reg = acb->pmuB;
2012 struct ARCMSR_CDB *pARCMSR_CDB;
2013 struct CommandControlBlock *pCCB;
2015 index = reg->doneq_index;
2016 while ((flag_ccb = reg->done_qbuffer[index]) != 0) {
2017 reg->done_qbuffer[index] = 0;
2018 pARCMSR_CDB = (struct ARCMSR_CDB *)(acb->vir2phy_offset+(flag_ccb << 5));/*frame must be 32 bytes aligned*/
2019 pCCB = container_of(pARCMSR_CDB, struct CommandControlBlock, arcmsr_cdb);
2020 error = (flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR_MODE0) ? true : false;
2021 arcmsr_drain_donequeue(acb, pCCB, error);
2023 index %= ARCMSR_MAX_HBB_POSTQUEUE;
2024 reg->doneq_index = index;
2028 static void arcmsr_hbaC_postqueue_isr(struct AdapterControlBlock *acb)
2030 struct MessageUnit_C __iomem *phbcmu;
2031 struct ARCMSR_CDB *arcmsr_cdb;
2032 struct CommandControlBlock *ccb;
2033 uint32_t flag_ccb, ccb_cdb_phy, throttling = 0;
2037 /* areca cdb command done */
2038 /* Use correct offset and size for syncing */
2040 while ((flag_ccb = readl(&phbcmu->outbound_queueport_low)) !=
2042 ccb_cdb_phy = (flag_ccb & 0xFFFFFFF0);
2043 arcmsr_cdb = (struct ARCMSR_CDB *)(acb->vir2phy_offset
2045 ccb = container_of(arcmsr_cdb, struct CommandControlBlock,
2047 error = (flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR_MODE1)
2049 /* check if command done with no error */
2050 arcmsr_drain_donequeue(acb, ccb, error);
2052 if (throttling == ARCMSR_HBC_ISR_THROTTLING_LEVEL) {
2053 writel(ARCMSR_HBCMU_DRV2IOP_POSTQUEUE_THROTTLING,
2054 &phbcmu->inbound_doorbell);
2060 static void arcmsr_hbaD_postqueue_isr(struct AdapterControlBlock *acb)
2062 u32 outbound_write_pointer, doneq_index, index_stripped, toggle;
2063 uint32_t addressLow, ccb_cdb_phy;
2065 struct MessageUnit_D *pmu;
2066 struct ARCMSR_CDB *arcmsr_cdb;
2067 struct CommandControlBlock *ccb;
2068 unsigned long flags;
2070 spin_lock_irqsave(&acb->doneq_lock, flags);
2072 outbound_write_pointer = pmu->done_qbuffer[0].addressLow + 1;
2073 doneq_index = pmu->doneq_index;
2074 if ((doneq_index & 0xFFF) != (outbound_write_pointer & 0xFFF)) {
2076 toggle = doneq_index & 0x4000;
2077 index_stripped = (doneq_index & 0xFFF) + 1;
2078 index_stripped %= ARCMSR_MAX_ARC1214_DONEQUEUE;
2079 pmu->doneq_index = index_stripped ? (index_stripped | toggle) :
2080 ((toggle ^ 0x4000) + 1);
2081 doneq_index = pmu->doneq_index;
2082 addressLow = pmu->done_qbuffer[doneq_index &
2084 ccb_cdb_phy = (addressLow & 0xFFFFFFF0);
2085 arcmsr_cdb = (struct ARCMSR_CDB *)(acb->vir2phy_offset
2087 ccb = container_of(arcmsr_cdb,
2088 struct CommandControlBlock, arcmsr_cdb);
2089 error = (addressLow & ARCMSR_CCBREPLY_FLAG_ERROR_MODE1)
2091 arcmsr_drain_donequeue(acb, ccb, error);
2092 writel(doneq_index, pmu->outboundlist_read_pointer);
2093 } while ((doneq_index & 0xFFF) !=
2094 (outbound_write_pointer & 0xFFF));
2096 writel(ARCMSR_ARC1214_OUTBOUND_LIST_INTERRUPT_CLEAR,
2097 pmu->outboundlist_interrupt_cause);
2098 readl(pmu->outboundlist_interrupt_cause);
2099 spin_unlock_irqrestore(&acb->doneq_lock, flags);
2103 **********************************************************************************
2104 ** Handle a message interrupt
2106 ** The only message interrupt we expect is in response to a query for the current adapter config.
2107 ** We want this in order to compare the drivemap so that we can detect newly-attached drives.
2108 **********************************************************************************
2110 static void arcmsr_hbaA_message_isr(struct AdapterControlBlock *acb)
2112 struct MessageUnit_A __iomem *reg = acb->pmuA;
2113 /*clear interrupt and message state*/
2114 writel(ARCMSR_MU_OUTBOUND_MESSAGE0_INT, ®->outbound_intstatus);
2115 schedule_work(&acb->arcmsr_do_message_isr_bh);
2117 static void arcmsr_hbaB_message_isr(struct AdapterControlBlock *acb)
2119 struct MessageUnit_B *reg = acb->pmuB;
2121 /*clear interrupt and message state*/
2122 writel(ARCMSR_MESSAGE_INT_CLEAR_PATTERN, reg->iop2drv_doorbell);
2123 schedule_work(&acb->arcmsr_do_message_isr_bh);
2126 **********************************************************************************
2127 ** Handle a message interrupt
2129 ** The only message interrupt we expect is in response to a query for the
2130 ** current adapter config.
2131 ** We want this in order to compare the drivemap so that we can detect newly-attached drives.
2132 **********************************************************************************
2134 static void arcmsr_hbaC_message_isr(struct AdapterControlBlock *acb)
2136 struct MessageUnit_C __iomem *reg = acb->pmuC;
2137 /*clear interrupt and message state*/
2138 writel(ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE_DOORBELL_CLEAR, ®->outbound_doorbell_clear);
2139 schedule_work(&acb->arcmsr_do_message_isr_bh);
2142 static void arcmsr_hbaD_message_isr(struct AdapterControlBlock *acb)
2144 struct MessageUnit_D *reg = acb->pmuD;
2146 writel(ARCMSR_ARC1214_IOP2DRV_MESSAGE_CMD_DONE, reg->outbound_doorbell);
2147 readl(reg->outbound_doorbell);
2148 schedule_work(&acb->arcmsr_do_message_isr_bh);
2151 static int arcmsr_hbaA_handle_isr(struct AdapterControlBlock *acb)
2153 uint32_t outbound_intstatus;
2154 struct MessageUnit_A __iomem *reg = acb->pmuA;
2155 outbound_intstatus = readl(®->outbound_intstatus) &
2156 acb->outbound_int_enable;
2157 if (!(outbound_intstatus & ARCMSR_MU_OUTBOUND_HANDLE_INT))
2160 writel(outbound_intstatus, ®->outbound_intstatus);
2161 if (outbound_intstatus & ARCMSR_MU_OUTBOUND_DOORBELL_INT)
2162 arcmsr_hbaA_doorbell_isr(acb);
2163 if (outbound_intstatus & ARCMSR_MU_OUTBOUND_POSTQUEUE_INT)
2164 arcmsr_hbaA_postqueue_isr(acb);
2165 if (outbound_intstatus & ARCMSR_MU_OUTBOUND_MESSAGE0_INT)
2166 arcmsr_hbaA_message_isr(acb);
2167 outbound_intstatus = readl(®->outbound_intstatus) &
2168 acb->outbound_int_enable;
2169 } while (outbound_intstatus & (ARCMSR_MU_OUTBOUND_DOORBELL_INT
2170 | ARCMSR_MU_OUTBOUND_POSTQUEUE_INT
2171 | ARCMSR_MU_OUTBOUND_MESSAGE0_INT));
2175 static int arcmsr_hbaB_handle_isr(struct AdapterControlBlock *acb)
2177 uint32_t outbound_doorbell;
2178 struct MessageUnit_B *reg = acb->pmuB;
2179 outbound_doorbell = readl(reg->iop2drv_doorbell) &
2180 acb->outbound_int_enable;
2181 if (!outbound_doorbell)
2184 writel(~outbound_doorbell, reg->iop2drv_doorbell);
2185 writel(ARCMSR_DRV2IOP_END_OF_INTERRUPT, reg->drv2iop_doorbell);
2186 if (outbound_doorbell & ARCMSR_IOP2DRV_DATA_WRITE_OK)
2187 arcmsr_iop2drv_data_wrote_handle(acb);
2188 if (outbound_doorbell & ARCMSR_IOP2DRV_DATA_READ_OK)
2189 arcmsr_iop2drv_data_read_handle(acb);
2190 if (outbound_doorbell & ARCMSR_IOP2DRV_CDB_DONE)
2191 arcmsr_hbaB_postqueue_isr(acb);
2192 if (outbound_doorbell & ARCMSR_IOP2DRV_MESSAGE_CMD_DONE)
2193 arcmsr_hbaB_message_isr(acb);
2194 outbound_doorbell = readl(reg->iop2drv_doorbell) &
2195 acb->outbound_int_enable;
2196 } while (outbound_doorbell & (ARCMSR_IOP2DRV_DATA_WRITE_OK
2197 | ARCMSR_IOP2DRV_DATA_READ_OK
2198 | ARCMSR_IOP2DRV_CDB_DONE
2199 | ARCMSR_IOP2DRV_MESSAGE_CMD_DONE));
2203 static int arcmsr_hbaC_handle_isr(struct AdapterControlBlock *pACB)
2205 uint32_t host_interrupt_status;
2206 struct MessageUnit_C __iomem *phbcmu = pACB->pmuC;
2208 *********************************************
2209 ** check outbound intstatus
2210 *********************************************
2212 host_interrupt_status = readl(&phbcmu->host_int_status) &
2213 (ARCMSR_HBCMU_OUTBOUND_POSTQUEUE_ISR |
2214 ARCMSR_HBCMU_OUTBOUND_DOORBELL_ISR);
2215 if (!host_interrupt_status)
2218 if (host_interrupt_status & ARCMSR_HBCMU_OUTBOUND_DOORBELL_ISR)
2219 arcmsr_hbaC_doorbell_isr(pACB);
2220 /* MU post queue interrupts*/
2221 if (host_interrupt_status & ARCMSR_HBCMU_OUTBOUND_POSTQUEUE_ISR)
2222 arcmsr_hbaC_postqueue_isr(pACB);
2223 host_interrupt_status = readl(&phbcmu->host_int_status);
2224 } while (host_interrupt_status & (ARCMSR_HBCMU_OUTBOUND_POSTQUEUE_ISR |
2225 ARCMSR_HBCMU_OUTBOUND_DOORBELL_ISR));
2229 static irqreturn_t arcmsr_hbaD_handle_isr(struct AdapterControlBlock *pACB)
2231 u32 host_interrupt_status;
2232 struct MessageUnit_D *pmu = pACB->pmuD;
2234 host_interrupt_status = readl(pmu->host_int_status) &
2235 (ARCMSR_ARC1214_OUTBOUND_POSTQUEUE_ISR |
2236 ARCMSR_ARC1214_OUTBOUND_DOORBELL_ISR);
2237 if (!host_interrupt_status)
2240 /* MU post queue interrupts*/
2241 if (host_interrupt_status &
2242 ARCMSR_ARC1214_OUTBOUND_POSTQUEUE_ISR)
2243 arcmsr_hbaD_postqueue_isr(pACB);
2244 if (host_interrupt_status &
2245 ARCMSR_ARC1214_OUTBOUND_DOORBELL_ISR)
2246 arcmsr_hbaD_doorbell_isr(pACB);
2247 host_interrupt_status = readl(pmu->host_int_status);
2248 } while (host_interrupt_status &
2249 (ARCMSR_ARC1214_OUTBOUND_POSTQUEUE_ISR |
2250 ARCMSR_ARC1214_OUTBOUND_DOORBELL_ISR));
2254 static irqreturn_t arcmsr_interrupt(struct AdapterControlBlock *acb)
2256 switch (acb->adapter_type) {
2257 case ACB_ADAPTER_TYPE_A:
2258 return arcmsr_hbaA_handle_isr(acb);
2260 case ACB_ADAPTER_TYPE_B:
2261 return arcmsr_hbaB_handle_isr(acb);
2263 case ACB_ADAPTER_TYPE_C:
2264 return arcmsr_hbaC_handle_isr(acb);
2265 case ACB_ADAPTER_TYPE_D:
2266 return arcmsr_hbaD_handle_isr(acb);
2272 static void arcmsr_iop_parking(struct AdapterControlBlock *acb)
2275 /* stop adapter background rebuild */
2276 if (acb->acb_flags & ACB_F_MSG_START_BGRB) {
2277 uint32_t intmask_org;
2278 acb->acb_flags &= ~ACB_F_MSG_START_BGRB;
2279 intmask_org = arcmsr_disable_outbound_ints(acb);
2280 arcmsr_stop_adapter_bgrb(acb);
2281 arcmsr_flush_adapter_cache(acb);
2282 arcmsr_enable_outbound_ints(acb, intmask_org);
2288 void arcmsr_clear_iop2drv_rqueue_buffer(struct AdapterControlBlock *acb)
2292 if (acb->acb_flags & ACB_F_IOPDATA_OVERFLOW) {
2293 for (i = 0; i < 15; i++) {
2294 if (acb->acb_flags & ACB_F_IOPDATA_OVERFLOW) {
2295 acb->acb_flags &= ~ACB_F_IOPDATA_OVERFLOW;
2296 acb->rqbuf_getIndex = 0;
2297 acb->rqbuf_putIndex = 0;
2298 arcmsr_iop_message_read(acb);
2300 } else if (acb->rqbuf_getIndex !=
2301 acb->rqbuf_putIndex) {
2302 acb->rqbuf_getIndex = 0;
2303 acb->rqbuf_putIndex = 0;
2311 static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb,
2312 struct scsi_cmnd *cmd)
2315 unsigned short use_sg;
2316 int retvalue = 0, transfer_len = 0;
2317 unsigned long flags;
2318 struct CMD_MESSAGE_FIELD *pcmdmessagefld;
2319 uint32_t controlcode = (uint32_t)cmd->cmnd[5] << 24 |
2320 (uint32_t)cmd->cmnd[6] << 16 |
2321 (uint32_t)cmd->cmnd[7] << 8 |
2322 (uint32_t)cmd->cmnd[8];
2323 struct scatterlist *sg;
2325 use_sg = scsi_sg_count(cmd);
2326 sg = scsi_sglist(cmd);
2327 buffer = kmap_atomic(sg_page(sg)) + sg->offset;
2329 retvalue = ARCMSR_MESSAGE_FAIL;
2332 transfer_len += sg->length;
2333 if (transfer_len > sizeof(struct CMD_MESSAGE_FIELD)) {
2334 retvalue = ARCMSR_MESSAGE_FAIL;
2335 pr_info("%s: ARCMSR_MESSAGE_FAIL!\n", __func__);
2338 pcmdmessagefld = (struct CMD_MESSAGE_FIELD *)buffer;
2339 switch (controlcode) {
2340 case ARCMSR_MESSAGE_READ_RQBUFFER: {
2341 unsigned char *ver_addr;
2342 uint8_t *ptmpQbuffer;
2343 uint32_t allxfer_len = 0;
2344 ver_addr = kmalloc(ARCMSR_API_DATA_BUFLEN, GFP_ATOMIC);
2346 retvalue = ARCMSR_MESSAGE_FAIL;
2347 pr_info("%s: memory not enough!\n", __func__);
2350 ptmpQbuffer = ver_addr;
2351 spin_lock_irqsave(&acb->rqbuffer_lock, flags);
2352 if (acb->rqbuf_getIndex != acb->rqbuf_putIndex) {
2353 unsigned int tail = acb->rqbuf_getIndex;
2354 unsigned int head = acb->rqbuf_putIndex;
2355 unsigned int cnt_to_end = CIRC_CNT_TO_END(head, tail, ARCMSR_MAX_QBUFFER);
2357 allxfer_len = CIRC_CNT(head, tail, ARCMSR_MAX_QBUFFER);
2358 if (allxfer_len > ARCMSR_API_DATA_BUFLEN)
2359 allxfer_len = ARCMSR_API_DATA_BUFLEN;
2361 if (allxfer_len <= cnt_to_end)
2362 memcpy(ptmpQbuffer, acb->rqbuffer + tail, allxfer_len);
2364 memcpy(ptmpQbuffer, acb->rqbuffer + tail, cnt_to_end);
2365 memcpy(ptmpQbuffer + cnt_to_end, acb->rqbuffer, allxfer_len - cnt_to_end);
2367 acb->rqbuf_getIndex = (acb->rqbuf_getIndex + allxfer_len) % ARCMSR_MAX_QBUFFER;
2369 memcpy(pcmdmessagefld->messagedatabuffer, ver_addr,
2371 if (acb->acb_flags & ACB_F_IOPDATA_OVERFLOW) {
2372 struct QBUFFER __iomem *prbuffer;
2373 acb->acb_flags &= ~ACB_F_IOPDATA_OVERFLOW;
2374 prbuffer = arcmsr_get_iop_rqbuffer(acb);
2375 if (arcmsr_Read_iop_rqbuffer_data(acb, prbuffer) == 0)
2376 acb->acb_flags |= ACB_F_IOPDATA_OVERFLOW;
2378 spin_unlock_irqrestore(&acb->rqbuffer_lock, flags);
2380 pcmdmessagefld->cmdmessage.Length = allxfer_len;
2381 if (acb->fw_flag == FW_DEADLOCK)
2382 pcmdmessagefld->cmdmessage.ReturnCode =
2383 ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON;
2385 pcmdmessagefld->cmdmessage.ReturnCode =
2386 ARCMSR_MESSAGE_RETURNCODE_OK;
2389 case ARCMSR_MESSAGE_WRITE_WQBUFFER: {
2390 unsigned char *ver_addr;
2393 uint8_t *pQbuffer, *ptmpuserbuffer;
2394 ver_addr = kmalloc(ARCMSR_API_DATA_BUFLEN, GFP_ATOMIC);
2396 retvalue = ARCMSR_MESSAGE_FAIL;
2399 ptmpuserbuffer = ver_addr;
2400 user_len = pcmdmessagefld->cmdmessage.Length;
2401 if (user_len > ARCMSR_API_DATA_BUFLEN) {
2402 retvalue = ARCMSR_MESSAGE_FAIL;
2406 memcpy(ptmpuserbuffer,
2407 pcmdmessagefld->messagedatabuffer, user_len);
2408 spin_lock_irqsave(&acb->wqbuffer_lock, flags);
2409 if (acb->wqbuf_putIndex != acb->wqbuf_getIndex) {
2410 struct SENSE_DATA *sensebuffer =
2411 (struct SENSE_DATA *)cmd->sense_buffer;
2412 arcmsr_write_ioctldata2iop(acb);
2413 /* has error report sensedata */
2414 sensebuffer->ErrorCode = SCSI_SENSE_CURRENT_ERRORS;
2415 sensebuffer->SenseKey = ILLEGAL_REQUEST;
2416 sensebuffer->AdditionalSenseLength = 0x0A;
2417 sensebuffer->AdditionalSenseCode = 0x20;
2418 sensebuffer->Valid = 1;
2419 retvalue = ARCMSR_MESSAGE_FAIL;
2421 pQbuffer = &acb->wqbuffer[acb->wqbuf_putIndex];
2422 cnt2end = ARCMSR_MAX_QBUFFER - acb->wqbuf_putIndex;
2423 if (user_len > cnt2end) {
2424 memcpy(pQbuffer, ptmpuserbuffer, cnt2end);
2425 ptmpuserbuffer += cnt2end;
2426 user_len -= cnt2end;
2427 acb->wqbuf_putIndex = 0;
2428 pQbuffer = acb->wqbuffer;
2430 memcpy(pQbuffer, ptmpuserbuffer, user_len);
2431 acb->wqbuf_putIndex += user_len;
2432 acb->wqbuf_putIndex %= ARCMSR_MAX_QBUFFER;
2433 if (acb->acb_flags & ACB_F_MESSAGE_WQBUFFER_CLEARED) {
2435 ~ACB_F_MESSAGE_WQBUFFER_CLEARED;
2436 arcmsr_write_ioctldata2iop(acb);
2439 spin_unlock_irqrestore(&acb->wqbuffer_lock, flags);
2441 if (acb->fw_flag == FW_DEADLOCK)
2442 pcmdmessagefld->cmdmessage.ReturnCode =
2443 ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON;
2445 pcmdmessagefld->cmdmessage.ReturnCode =
2446 ARCMSR_MESSAGE_RETURNCODE_OK;
2449 case ARCMSR_MESSAGE_CLEAR_RQBUFFER: {
2450 uint8_t *pQbuffer = acb->rqbuffer;
2452 arcmsr_clear_iop2drv_rqueue_buffer(acb);
2453 spin_lock_irqsave(&acb->rqbuffer_lock, flags);
2454 acb->acb_flags |= ACB_F_MESSAGE_RQBUFFER_CLEARED;
2455 acb->rqbuf_getIndex = 0;
2456 acb->rqbuf_putIndex = 0;
2457 memset(pQbuffer, 0, ARCMSR_MAX_QBUFFER);
2458 spin_unlock_irqrestore(&acb->rqbuffer_lock, flags);
2459 if (acb->fw_flag == FW_DEADLOCK)
2460 pcmdmessagefld->cmdmessage.ReturnCode =
2461 ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON;
2463 pcmdmessagefld->cmdmessage.ReturnCode =
2464 ARCMSR_MESSAGE_RETURNCODE_OK;
2467 case ARCMSR_MESSAGE_CLEAR_WQBUFFER: {
2468 uint8_t *pQbuffer = acb->wqbuffer;
2469 spin_lock_irqsave(&acb->wqbuffer_lock, flags);
2470 acb->acb_flags |= (ACB_F_MESSAGE_WQBUFFER_CLEARED |
2471 ACB_F_MESSAGE_WQBUFFER_READED);
2472 acb->wqbuf_getIndex = 0;
2473 acb->wqbuf_putIndex = 0;
2474 memset(pQbuffer, 0, ARCMSR_MAX_QBUFFER);
2475 spin_unlock_irqrestore(&acb->wqbuffer_lock, flags);
2476 if (acb->fw_flag == FW_DEADLOCK)
2477 pcmdmessagefld->cmdmessage.ReturnCode =
2478 ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON;
2480 pcmdmessagefld->cmdmessage.ReturnCode =
2481 ARCMSR_MESSAGE_RETURNCODE_OK;
2484 case ARCMSR_MESSAGE_CLEAR_ALLQBUFFER: {
2486 arcmsr_clear_iop2drv_rqueue_buffer(acb);
2487 spin_lock_irqsave(&acb->rqbuffer_lock, flags);
2488 acb->acb_flags |= ACB_F_MESSAGE_RQBUFFER_CLEARED;
2489 acb->rqbuf_getIndex = 0;
2490 acb->rqbuf_putIndex = 0;
2491 pQbuffer = acb->rqbuffer;
2492 memset(pQbuffer, 0, sizeof(struct QBUFFER));
2493 spin_unlock_irqrestore(&acb->rqbuffer_lock, flags);
2494 spin_lock_irqsave(&acb->wqbuffer_lock, flags);
2495 acb->acb_flags |= (ACB_F_MESSAGE_WQBUFFER_CLEARED |
2496 ACB_F_MESSAGE_WQBUFFER_READED);
2497 acb->wqbuf_getIndex = 0;
2498 acb->wqbuf_putIndex = 0;
2499 pQbuffer = acb->wqbuffer;
2500 memset(pQbuffer, 0, sizeof(struct QBUFFER));
2501 spin_unlock_irqrestore(&acb->wqbuffer_lock, flags);
2502 if (acb->fw_flag == FW_DEADLOCK)
2503 pcmdmessagefld->cmdmessage.ReturnCode =
2504 ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON;
2506 pcmdmessagefld->cmdmessage.ReturnCode =
2507 ARCMSR_MESSAGE_RETURNCODE_OK;
2510 case ARCMSR_MESSAGE_RETURN_CODE_3F: {
2511 if (acb->fw_flag == FW_DEADLOCK)
2512 pcmdmessagefld->cmdmessage.ReturnCode =
2513 ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON;
2515 pcmdmessagefld->cmdmessage.ReturnCode =
2516 ARCMSR_MESSAGE_RETURNCODE_3F;
2519 case ARCMSR_MESSAGE_SAY_HELLO: {
2520 int8_t *hello_string = "Hello! I am ARCMSR";
2521 if (acb->fw_flag == FW_DEADLOCK)
2522 pcmdmessagefld->cmdmessage.ReturnCode =
2523 ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON;
2525 pcmdmessagefld->cmdmessage.ReturnCode =
2526 ARCMSR_MESSAGE_RETURNCODE_OK;
2527 memcpy(pcmdmessagefld->messagedatabuffer,
2528 hello_string, (int16_t)strlen(hello_string));
2531 case ARCMSR_MESSAGE_SAY_GOODBYE: {
2532 if (acb->fw_flag == FW_DEADLOCK)
2533 pcmdmessagefld->cmdmessage.ReturnCode =
2534 ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON;
2536 pcmdmessagefld->cmdmessage.ReturnCode =
2537 ARCMSR_MESSAGE_RETURNCODE_OK;
2538 arcmsr_iop_parking(acb);
2541 case ARCMSR_MESSAGE_FLUSH_ADAPTER_CACHE: {
2542 if (acb->fw_flag == FW_DEADLOCK)
2543 pcmdmessagefld->cmdmessage.ReturnCode =
2544 ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON;
2546 pcmdmessagefld->cmdmessage.ReturnCode =
2547 ARCMSR_MESSAGE_RETURNCODE_OK;
2548 arcmsr_flush_adapter_cache(acb);
2552 retvalue = ARCMSR_MESSAGE_FAIL;
2553 pr_info("%s: unknown controlcode!\n", __func__);
2557 struct scatterlist *sg = scsi_sglist(cmd);
2558 kunmap_atomic(buffer - sg->offset);
2563 static struct CommandControlBlock *arcmsr_get_freeccb(struct AdapterControlBlock *acb)
2565 struct list_head *head = &acb->ccb_free_list;
2566 struct CommandControlBlock *ccb = NULL;
2567 unsigned long flags;
2568 spin_lock_irqsave(&acb->ccblist_lock, flags);
2569 if (!list_empty(head)) {
2570 ccb = list_entry(head->next, struct CommandControlBlock, list);
2571 list_del_init(&ccb->list);
2573 spin_unlock_irqrestore(&acb->ccblist_lock, flags);
2576 spin_unlock_irqrestore(&acb->ccblist_lock, flags);
2580 static void arcmsr_handle_virtual_command(struct AdapterControlBlock *acb,
2581 struct scsi_cmnd *cmd)
2583 switch (cmd->cmnd[0]) {
2585 unsigned char inqdata[36];
2587 struct scatterlist *sg;
2589 if (cmd->device->lun) {
2590 cmd->result = (DID_TIME_OUT << 16);
2591 cmd->scsi_done(cmd);
2594 inqdata[0] = TYPE_PROCESSOR;
2595 /* Periph Qualifier & Periph Dev Type */
2597 /* rem media bit & Dev Type Modifier */
2599 /* ISO, ECMA, & ANSI versions */
2601 /* length of additional data */
2602 strncpy(&inqdata[8], "Areca ", 8);
2603 /* Vendor Identification */
2604 strncpy(&inqdata[16], "RAID controller ", 16);
2605 /* Product Identification */
2606 strncpy(&inqdata[32], "R001", 4); /* Product Revision */
2608 sg = scsi_sglist(cmd);
2609 buffer = kmap_atomic(sg_page(sg)) + sg->offset;
2611 memcpy(buffer, inqdata, sizeof(inqdata));
2612 sg = scsi_sglist(cmd);
2613 kunmap_atomic(buffer - sg->offset);
2615 cmd->scsi_done(cmd);
2620 if (arcmsr_iop_message_xfer(acb, cmd))
2621 cmd->result = (DID_ERROR << 16);
2622 cmd->scsi_done(cmd);
2626 cmd->scsi_done(cmd);
2630 static int arcmsr_queue_command_lck(struct scsi_cmnd *cmd,
2631 void (* done)(struct scsi_cmnd *))
2633 struct Scsi_Host *host = cmd->device->host;
2634 struct AdapterControlBlock *acb = (struct AdapterControlBlock *) host->hostdata;
2635 struct CommandControlBlock *ccb;
2636 int target = cmd->device->id;
2637 int lun = cmd->device->lun;
2638 uint8_t scsicmd = cmd->cmnd[0];
2639 cmd->scsi_done = done;
2640 cmd->host_scribble = NULL;
2642 if ((scsicmd == SYNCHRONIZE_CACHE) ||(scsicmd == SEND_DIAGNOSTIC)){
2643 if(acb->devstate[target][lun] == ARECA_RAID_GONE) {
2644 cmd->result = (DID_NO_CONNECT << 16);
2646 cmd->scsi_done(cmd);
2650 /* virtual device for iop message transfer */
2651 arcmsr_handle_virtual_command(acb, cmd);
2654 ccb = arcmsr_get_freeccb(acb);
2656 return SCSI_MLQUEUE_HOST_BUSY;
2657 if (arcmsr_build_ccb( acb, ccb, cmd ) == FAILED) {
2658 cmd->result = (DID_ERROR << 16) | (RESERVATION_CONFLICT << 1);
2659 cmd->scsi_done(cmd);
2662 arcmsr_post_ccb(acb, ccb);
2666 static DEF_SCSI_QCMD(arcmsr_queue_command)
2668 static bool arcmsr_hbaA_get_config(struct AdapterControlBlock *acb)
2670 struct MessageUnit_A __iomem *reg = acb->pmuA;
2671 char *acb_firm_model = acb->firm_model;
2672 char *acb_firm_version = acb->firm_version;
2673 char *acb_device_map = acb->device_map;
2674 char __iomem *iop_firm_model = (char __iomem *)(®->message_rwbuffer[15]);
2675 char __iomem *iop_firm_version = (char __iomem *)(®->message_rwbuffer[17]);
2676 char __iomem *iop_device_map = (char __iomem *)(®->message_rwbuffer[21]);
2678 writel(ARCMSR_INBOUND_MESG0_GET_CONFIG, ®->inbound_msgaddr0);
2679 if (!arcmsr_hbaA_wait_msgint_ready(acb)) {
2680 printk(KERN_NOTICE "arcmsr%d: wait 'get adapter firmware \
2681 miscellaneous data' timeout \n", acb->host->host_no);
2686 *acb_firm_model = readb(iop_firm_model);
2694 *acb_firm_version = readb(iop_firm_version);
2702 *acb_device_map = readb(iop_device_map);
2707 pr_notice("Areca RAID Controller%d: Model %s, F/W %s\n",
2711 acb->signature = readl(®->message_rwbuffer[0]);
2712 acb->firm_request_len = readl(®->message_rwbuffer[1]);
2713 acb->firm_numbers_queue = readl(®->message_rwbuffer[2]);
2714 acb->firm_sdram_size = readl(®->message_rwbuffer[3]);
2715 acb->firm_hd_channels = readl(®->message_rwbuffer[4]);
2716 acb->firm_cfg_version = readl(®->message_rwbuffer[25]); /*firm_cfg_version,25,100-103*/
2719 static bool arcmsr_hbaB_get_config(struct AdapterControlBlock *acb)
2721 struct MessageUnit_B *reg = acb->pmuB;
2722 char *acb_firm_model = acb->firm_model;
2723 char *acb_firm_version = acb->firm_version;
2724 char *acb_device_map = acb->device_map;
2725 char __iomem *iop_firm_model;
2726 /*firm_model,15,60-67*/
2727 char __iomem *iop_firm_version;
2728 /*firm_version,17,68-83*/
2729 char __iomem *iop_device_map;
2730 /*firm_version,21,84-99*/
2733 iop_firm_model = (char __iomem *)(®->message_rwbuffer[15]); /*firm_model,15,60-67*/
2734 iop_firm_version = (char __iomem *)(®->message_rwbuffer[17]); /*firm_version,17,68-83*/
2735 iop_device_map = (char __iomem *)(®->message_rwbuffer[21]); /*firm_version,21,84-99*/
2737 arcmsr_wait_firmware_ready(acb);
2738 writel(ARCMSR_MESSAGE_START_DRIVER_MODE, reg->drv2iop_doorbell);
2739 if (!arcmsr_hbaB_wait_msgint_ready(acb)) {
2740 printk(KERN_ERR "arcmsr%d: can't set driver mode.\n", acb->host->host_no);
2743 writel(ARCMSR_MESSAGE_GET_CONFIG, reg->drv2iop_doorbell);
2744 if (!arcmsr_hbaB_wait_msgint_ready(acb)) {
2745 printk(KERN_NOTICE "arcmsr%d: wait 'get adapter firmware \
2746 miscellaneous data' timeout \n", acb->host->host_no);
2751 *acb_firm_model = readb(iop_firm_model);
2758 *acb_firm_version = readb(iop_firm_version);
2766 *acb_device_map = readb(iop_device_map);
2772 pr_notice("Areca RAID Controller%d: Model %s, F/W %s\n",
2777 acb->signature = readl(®->message_rwbuffer[0]);
2778 /*firm_signature,1,00-03*/
2779 acb->firm_request_len = readl(®->message_rwbuffer[1]);
2780 /*firm_request_len,1,04-07*/
2781 acb->firm_numbers_queue = readl(®->message_rwbuffer[2]);
2782 /*firm_numbers_queue,2,08-11*/
2783 acb->firm_sdram_size = readl(®->message_rwbuffer[3]);
2784 /*firm_sdram_size,3,12-15*/
2785 acb->firm_hd_channels = readl(®->message_rwbuffer[4]);
2786 /*firm_ide_channels,4,16-19*/
2787 acb->firm_cfg_version = readl(®->message_rwbuffer[25]); /*firm_cfg_version,25,100-103*/
2788 /*firm_ide_channels,4,16-19*/
2792 static bool arcmsr_hbaC_get_config(struct AdapterControlBlock *pACB)
2794 uint32_t intmask_org, Index, firmware_state = 0;
2795 struct MessageUnit_C __iomem *reg = pACB->pmuC;
2796 char *acb_firm_model = pACB->firm_model;
2797 char *acb_firm_version = pACB->firm_version;
2798 char __iomem *iop_firm_model = (char __iomem *)(®->msgcode_rwbuffer[15]); /*firm_model,15,60-67*/
2799 char __iomem *iop_firm_version = (char __iomem *)(®->msgcode_rwbuffer[17]); /*firm_version,17,68-83*/
2801 /* disable all outbound interrupt */
2802 intmask_org = readl(®->host_int_mask); /* disable outbound message0 int */
2803 writel(intmask_org|ARCMSR_HBCMU_ALL_INTMASKENABLE, ®->host_int_mask);
2804 /* wait firmware ready */
2806 firmware_state = readl(®->outbound_msgaddr1);
2807 } while ((firmware_state & ARCMSR_HBCMU_MESSAGE_FIRMWARE_OK) == 0);
2808 /* post "get config" instruction */
2809 writel(ARCMSR_INBOUND_MESG0_GET_CONFIG, ®->inbound_msgaddr0);
2810 writel(ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE, ®->inbound_doorbell);
2811 /* wait message ready */
2812 for (Index = 0; Index < 2000; Index++) {
2813 if (readl(®->outbound_doorbell) & ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE) {
2814 writel(ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE_DOORBELL_CLEAR, ®->outbound_doorbell_clear);/*clear interrupt*/
2819 if (Index >= 2000) {
2820 printk(KERN_NOTICE "arcmsr%d: wait 'get adapter firmware \
2821 miscellaneous data' timeout \n", pACB->host->host_no);
2826 *acb_firm_model = readb(iop_firm_model);
2833 *acb_firm_version = readb(iop_firm_version);
2838 pr_notice("Areca RAID Controller%d: Model %s, F/W %s\n",
2839 pACB->host->host_no,
2841 pACB->firm_version);
2842 pACB->firm_request_len = readl(®->msgcode_rwbuffer[1]); /*firm_request_len,1,04-07*/
2843 pACB->firm_numbers_queue = readl(®->msgcode_rwbuffer[2]); /*firm_numbers_queue,2,08-11*/
2844 pACB->firm_sdram_size = readl(®->msgcode_rwbuffer[3]); /*firm_sdram_size,3,12-15*/
2845 pACB->firm_hd_channels = readl(®->msgcode_rwbuffer[4]); /*firm_ide_channels,4,16-19*/
2846 pACB->firm_cfg_version = readl(®->msgcode_rwbuffer[25]); /*firm_cfg_version,25,100-103*/
2847 /*all interrupt service will be enable at arcmsr_iop_init*/
2851 static bool arcmsr_hbaD_get_config(struct AdapterControlBlock *acb)
2853 char *acb_firm_model = acb->firm_model;
2854 char *acb_firm_version = acb->firm_version;
2855 char *acb_device_map = acb->device_map;
2856 char __iomem *iop_firm_model;
2857 char __iomem *iop_firm_version;
2858 char __iomem *iop_device_map;
2860 struct MessageUnit_D *reg = acb->pmuD;
2862 iop_firm_model = (char __iomem *)(®->msgcode_rwbuffer[15]);
2863 iop_firm_version = (char __iomem *)(®->msgcode_rwbuffer[17]);
2864 iop_device_map = (char __iomem *)(®->msgcode_rwbuffer[21]);
2865 if (readl(acb->pmuD->outbound_doorbell) &
2866 ARCMSR_ARC1214_IOP2DRV_MESSAGE_CMD_DONE) {
2867 writel(ARCMSR_ARC1214_IOP2DRV_MESSAGE_CMD_DONE,
2868 acb->pmuD->outbound_doorbell);/*clear interrupt*/
2870 /* post "get config" instruction */
2871 writel(ARCMSR_INBOUND_MESG0_GET_CONFIG, reg->inbound_msgaddr0);
2872 /* wait message ready */
2873 if (!arcmsr_hbaD_wait_msgint_ready(acb)) {
2874 pr_notice("arcmsr%d: wait get adapter firmware "
2875 "miscellaneous data timeout\n", acb->host->host_no);
2880 *acb_firm_model = readb(iop_firm_model);
2887 *acb_firm_version = readb(iop_firm_version);
2894 *acb_device_map = readb(iop_device_map);
2899 acb->signature = readl(®->msgcode_rwbuffer[0]);
2900 /*firm_signature,1,00-03*/
2901 acb->firm_request_len = readl(®->msgcode_rwbuffer[1]);
2902 /*firm_request_len,1,04-07*/
2903 acb->firm_numbers_queue = readl(®->msgcode_rwbuffer[2]);
2904 /*firm_numbers_queue,2,08-11*/
2905 acb->firm_sdram_size = readl(®->msgcode_rwbuffer[3]);
2906 /*firm_sdram_size,3,12-15*/
2907 acb->firm_hd_channels = readl(®->msgcode_rwbuffer[4]);
2908 /*firm_hd_channels,4,16-19*/
2909 acb->firm_cfg_version = readl(®->msgcode_rwbuffer[25]);
2910 pr_notice("Areca RAID Controller%d: Model %s, F/W %s\n",
2917 static bool arcmsr_get_firmware_spec(struct AdapterControlBlock *acb)
2921 switch (acb->adapter_type) {
2922 case ACB_ADAPTER_TYPE_A:
2923 rtn = arcmsr_hbaA_get_config(acb);
2925 case ACB_ADAPTER_TYPE_B:
2926 rtn = arcmsr_hbaB_get_config(acb);
2928 case ACB_ADAPTER_TYPE_C:
2929 rtn = arcmsr_hbaC_get_config(acb);
2931 case ACB_ADAPTER_TYPE_D:
2932 rtn = arcmsr_hbaD_get_config(acb);
2937 if (acb->firm_numbers_queue > ARCMSR_MAX_OUTSTANDING_CMD)
2938 acb->maxOutstanding = ARCMSR_MAX_OUTSTANDING_CMD;
2940 acb->maxOutstanding = acb->firm_numbers_queue - 1;
2941 acb->host->can_queue = acb->maxOutstanding;
2945 static int arcmsr_hbaA_polling_ccbdone(struct AdapterControlBlock *acb,
2946 struct CommandControlBlock *poll_ccb)
2948 struct MessageUnit_A __iomem *reg = acb->pmuA;
2949 struct CommandControlBlock *ccb;
2950 struct ARCMSR_CDB *arcmsr_cdb;
2951 uint32_t flag_ccb, outbound_intstatus, poll_ccb_done = 0, poll_count = 0;
2954 polling_hba_ccb_retry:
2956 outbound_intstatus = readl(®->outbound_intstatus) & acb->outbound_int_enable;
2957 writel(outbound_intstatus, ®->outbound_intstatus);/*clear interrupt*/
2959 if ((flag_ccb = readl(®->outbound_queueport)) == 0xFFFFFFFF) {
2965 if (poll_count > 100){
2969 goto polling_hba_ccb_retry;
2972 arcmsr_cdb = (struct ARCMSR_CDB *)(acb->vir2phy_offset + (flag_ccb << 5));
2973 ccb = container_of(arcmsr_cdb, struct CommandControlBlock, arcmsr_cdb);
2974 poll_ccb_done |= (ccb == poll_ccb) ? 1 : 0;
2975 if ((ccb->acb != acb) || (ccb->startdone != ARCMSR_CCB_START)) {
2976 if ((ccb->startdone == ARCMSR_CCB_ABORTED) || (ccb == poll_ccb)) {
2977 printk(KERN_NOTICE "arcmsr%d: scsi id = %d lun = %d ccb = '0x%p'"
2978 " poll command abort successfully \n"
2979 , acb->host->host_no
2980 , ccb->pcmd->device->id
2981 , (u32)ccb->pcmd->device->lun
2983 ccb->pcmd->result = DID_ABORT << 16;
2984 arcmsr_ccb_complete(ccb);
2987 printk(KERN_NOTICE "arcmsr%d: polling get an illegal ccb"
2988 " command done ccb = '0x%p'"
2989 "ccboutstandingcount = %d \n"
2990 , acb->host->host_no
2992 , atomic_read(&acb->ccboutstandingcount));
2995 error = (flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR_MODE0) ? true : false;
2996 arcmsr_report_ccb_state(acb, ccb, error);
3001 static int arcmsr_hbaB_polling_ccbdone(struct AdapterControlBlock *acb,
3002 struct CommandControlBlock *poll_ccb)
3004 struct MessageUnit_B *reg = acb->pmuB;
3005 struct ARCMSR_CDB *arcmsr_cdb;
3006 struct CommandControlBlock *ccb;
3007 uint32_t flag_ccb, poll_ccb_done = 0, poll_count = 0;
3010 polling_hbb_ccb_retry:
3013 /* clear doorbell interrupt */
3014 writel(ARCMSR_DOORBELL_INT_CLEAR_PATTERN, reg->iop2drv_doorbell);
3016 index = reg->doneq_index;
3017 flag_ccb = reg->done_qbuffer[index];
3018 if (flag_ccb == 0) {
3024 if (poll_count > 100){
3028 goto polling_hbb_ccb_retry;
3031 reg->done_qbuffer[index] = 0;
3033 /*if last index number set it to 0 */
3034 index %= ARCMSR_MAX_HBB_POSTQUEUE;
3035 reg->doneq_index = index;
3036 /* check if command done with no error*/
3037 arcmsr_cdb = (struct ARCMSR_CDB *)(acb->vir2phy_offset + (flag_ccb << 5));
3038 ccb = container_of(arcmsr_cdb, struct CommandControlBlock, arcmsr_cdb);
3039 poll_ccb_done |= (ccb == poll_ccb) ? 1 : 0;
3040 if ((ccb->acb != acb) || (ccb->startdone != ARCMSR_CCB_START)) {
3041 if ((ccb->startdone == ARCMSR_CCB_ABORTED) || (ccb == poll_ccb)) {
3042 printk(KERN_NOTICE "arcmsr%d: scsi id = %d lun = %d ccb = '0x%p'"
3043 " poll command abort successfully \n"
3045 ,ccb->pcmd->device->id
3046 ,(u32)ccb->pcmd->device->lun
3048 ccb->pcmd->result = DID_ABORT << 16;
3049 arcmsr_ccb_complete(ccb);
3052 printk(KERN_NOTICE "arcmsr%d: polling get an illegal ccb"
3053 " command done ccb = '0x%p'"
3054 "ccboutstandingcount = %d \n"
3055 , acb->host->host_no
3057 , atomic_read(&acb->ccboutstandingcount));
3060 error = (flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR_MODE0) ? true : false;
3061 arcmsr_report_ccb_state(acb, ccb, error);
3066 static int arcmsr_hbaC_polling_ccbdone(struct AdapterControlBlock *acb,
3067 struct CommandControlBlock *poll_ccb)
3069 struct MessageUnit_C __iomem *reg = acb->pmuC;
3070 uint32_t flag_ccb, ccb_cdb_phy;
3071 struct ARCMSR_CDB *arcmsr_cdb;
3073 struct CommandControlBlock *pCCB;
3074 uint32_t poll_ccb_done = 0, poll_count = 0;
3076 polling_hbc_ccb_retry:
3079 if ((readl(®->host_int_status) & ARCMSR_HBCMU_OUTBOUND_POSTQUEUE_ISR) == 0) {
3080 if (poll_ccb_done) {
3085 if (poll_count > 100) {
3089 goto polling_hbc_ccb_retry;
3092 flag_ccb = readl(®->outbound_queueport_low);
3093 ccb_cdb_phy = (flag_ccb & 0xFFFFFFF0);
3094 arcmsr_cdb = (struct ARCMSR_CDB *)(acb->vir2phy_offset + ccb_cdb_phy);/*frame must be 32 bytes aligned*/
3095 pCCB = container_of(arcmsr_cdb, struct CommandControlBlock, arcmsr_cdb);
3096 poll_ccb_done |= (pCCB == poll_ccb) ? 1 : 0;
3097 /* check ifcommand done with no error*/
3098 if ((pCCB->acb != acb) || (pCCB->startdone != ARCMSR_CCB_START)) {
3099 if (pCCB->startdone == ARCMSR_CCB_ABORTED) {
3100 printk(KERN_NOTICE "arcmsr%d: scsi id = %d lun = %d ccb = '0x%p'"
3101 " poll command abort successfully \n"
3102 , acb->host->host_no
3103 , pCCB->pcmd->device->id
3104 , (u32)pCCB->pcmd->device->lun
3106 pCCB->pcmd->result = DID_ABORT << 16;
3107 arcmsr_ccb_complete(pCCB);
3110 printk(KERN_NOTICE "arcmsr%d: polling get an illegal ccb"
3111 " command done ccb = '0x%p'"
3112 "ccboutstandingcount = %d \n"
3113 , acb->host->host_no
3115 , atomic_read(&acb->ccboutstandingcount));
3118 error = (flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR_MODE1) ? true : false;
3119 arcmsr_report_ccb_state(acb, pCCB, error);
3124 static int arcmsr_hbaD_polling_ccbdone(struct AdapterControlBlock *acb,
3125 struct CommandControlBlock *poll_ccb)
3128 uint32_t poll_ccb_done = 0, poll_count = 0, flag_ccb, ccb_cdb_phy;
3129 int rtn, doneq_index, index_stripped, outbound_write_pointer, toggle;
3130 unsigned long flags;
3131 struct ARCMSR_CDB *arcmsr_cdb;
3132 struct CommandControlBlock *pCCB;
3133 struct MessageUnit_D *pmu = acb->pmuD;
3135 polling_hbaD_ccb_retry:
3138 spin_lock_irqsave(&acb->doneq_lock, flags);
3139 outbound_write_pointer = pmu->done_qbuffer[0].addressLow + 1;
3140 doneq_index = pmu->doneq_index;
3141 if ((outbound_write_pointer & 0xFFF) == (doneq_index & 0xFFF)) {
3142 spin_unlock_irqrestore(&acb->doneq_lock, flags);
3143 if (poll_ccb_done) {
3148 if (poll_count > 40) {
3152 goto polling_hbaD_ccb_retry;
3155 toggle = doneq_index & 0x4000;
3156 index_stripped = (doneq_index & 0xFFF) + 1;
3157 index_stripped %= ARCMSR_MAX_ARC1214_DONEQUEUE;
3158 pmu->doneq_index = index_stripped ? (index_stripped | toggle) :
3159 ((toggle ^ 0x4000) + 1);
3160 doneq_index = pmu->doneq_index;
3161 spin_unlock_irqrestore(&acb->doneq_lock, flags);
3162 flag_ccb = pmu->done_qbuffer[doneq_index & 0xFFF].addressLow;
3163 ccb_cdb_phy = (flag_ccb & 0xFFFFFFF0);
3164 arcmsr_cdb = (struct ARCMSR_CDB *)(acb->vir2phy_offset +
3166 pCCB = container_of(arcmsr_cdb, struct CommandControlBlock,
3168 poll_ccb_done |= (pCCB == poll_ccb) ? 1 : 0;
3169 if ((pCCB->acb != acb) ||
3170 (pCCB->startdone != ARCMSR_CCB_START)) {
3171 if (pCCB->startdone == ARCMSR_CCB_ABORTED) {
3172 pr_notice("arcmsr%d: scsi id = %d "
3173 "lun = %d ccb = '0x%p' poll command "
3174 "abort successfully\n"
3175 , acb->host->host_no
3176 , pCCB->pcmd->device->id
3177 , (u32)pCCB->pcmd->device->lun
3179 pCCB->pcmd->result = DID_ABORT << 16;
3180 arcmsr_ccb_complete(pCCB);
3183 pr_notice("arcmsr%d: polling an illegal "
3184 "ccb command done ccb = '0x%p' "
3185 "ccboutstandingcount = %d\n"
3186 , acb->host->host_no
3188 , atomic_read(&acb->ccboutstandingcount));
3191 error = (flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR_MODE1)
3193 arcmsr_report_ccb_state(acb, pCCB, error);
3198 static int arcmsr_polling_ccbdone(struct AdapterControlBlock *acb,
3199 struct CommandControlBlock *poll_ccb)
3202 switch (acb->adapter_type) {
3204 case ACB_ADAPTER_TYPE_A: {
3205 rtn = arcmsr_hbaA_polling_ccbdone(acb, poll_ccb);
3209 case ACB_ADAPTER_TYPE_B: {
3210 rtn = arcmsr_hbaB_polling_ccbdone(acb, poll_ccb);
3213 case ACB_ADAPTER_TYPE_C: {
3214 rtn = arcmsr_hbaC_polling_ccbdone(acb, poll_ccb);
3217 case ACB_ADAPTER_TYPE_D:
3218 rtn = arcmsr_hbaD_polling_ccbdone(acb, poll_ccb);
3224 static int arcmsr_iop_confirm(struct AdapterControlBlock *acb)
3226 uint32_t cdb_phyaddr, cdb_phyaddr_hi32;
3227 dma_addr_t dma_coherent_handle;
3230 ********************************************************************
3231 ** here we need to tell iop 331 our freeccb.HighPart
3232 ** if freeccb.HighPart is not zero
3233 ********************************************************************
3235 switch (acb->adapter_type) {
3236 case ACB_ADAPTER_TYPE_B:
3237 case ACB_ADAPTER_TYPE_D:
3238 dma_coherent_handle = acb->dma_coherent_handle2;
3241 dma_coherent_handle = acb->dma_coherent_handle;
3244 cdb_phyaddr = lower_32_bits(dma_coherent_handle);
3245 cdb_phyaddr_hi32 = upper_32_bits(dma_coherent_handle);
3246 acb->cdb_phyaddr_hi32 = cdb_phyaddr_hi32;
3248 ***********************************************************************
3249 ** if adapter type B, set window of "post command Q"
3250 ***********************************************************************
3252 switch (acb->adapter_type) {
3254 case ACB_ADAPTER_TYPE_A: {
3255 if (cdb_phyaddr_hi32 != 0) {
3256 struct MessageUnit_A __iomem *reg = acb->pmuA;
3257 writel(ARCMSR_SIGNATURE_SET_CONFIG, \
3258 ®->message_rwbuffer[0]);
3259 writel(cdb_phyaddr_hi32, ®->message_rwbuffer[1]);
3260 writel(ARCMSR_INBOUND_MESG0_SET_CONFIG, \
3261 ®->inbound_msgaddr0);
3262 if (!arcmsr_hbaA_wait_msgint_ready(acb)) {
3263 printk(KERN_NOTICE "arcmsr%d: ""set ccb high \
3264 part physical address timeout\n",
3265 acb->host->host_no);
3272 case ACB_ADAPTER_TYPE_B: {
3273 uint32_t __iomem *rwbuffer;
3275 struct MessageUnit_B *reg = acb->pmuB;
3276 reg->postq_index = 0;
3277 reg->doneq_index = 0;
3278 writel(ARCMSR_MESSAGE_SET_POST_WINDOW, reg->drv2iop_doorbell);
3279 if (!arcmsr_hbaB_wait_msgint_ready(acb)) {
3280 printk(KERN_NOTICE "arcmsr%d: cannot set driver mode\n", \
3281 acb->host->host_no);
3284 rwbuffer = reg->message_rwbuffer;
3285 /* driver "set config" signature */
3286 writel(ARCMSR_SIGNATURE_SET_CONFIG, rwbuffer++);
3287 /* normal should be zero */
3288 writel(cdb_phyaddr_hi32, rwbuffer++);
3289 /* postQ size (256 + 8)*4 */
3290 writel(cdb_phyaddr, rwbuffer++);
3291 /* doneQ size (256 + 8)*4 */
3292 writel(cdb_phyaddr + 1056, rwbuffer++);
3293 /* ccb maxQ size must be --> [(256 + 8)*4]*/
3294 writel(1056, rwbuffer);
3296 writel(ARCMSR_MESSAGE_SET_CONFIG, reg->drv2iop_doorbell);
3297 if (!arcmsr_hbaB_wait_msgint_ready(acb)) {
3298 printk(KERN_NOTICE "arcmsr%d: 'set command Q window' \
3299 timeout \n",acb->host->host_no);
3302 writel(ARCMSR_MESSAGE_START_DRIVER_MODE, reg->drv2iop_doorbell);
3303 if (!arcmsr_hbaB_wait_msgint_ready(acb)) {
3304 pr_err("arcmsr%d: can't set driver mode.\n",
3305 acb->host->host_no);
3310 case ACB_ADAPTER_TYPE_C: {
3311 if (cdb_phyaddr_hi32 != 0) {
3312 struct MessageUnit_C __iomem *reg = acb->pmuC;
3314 printk(KERN_NOTICE "arcmsr%d: cdb_phyaddr_hi32=0x%x\n",
3315 acb->adapter_index, cdb_phyaddr_hi32);
3316 writel(ARCMSR_SIGNATURE_SET_CONFIG, ®->msgcode_rwbuffer[0]);
3317 writel(cdb_phyaddr_hi32, ®->msgcode_rwbuffer[1]);
3318 writel(ARCMSR_INBOUND_MESG0_SET_CONFIG, ®->inbound_msgaddr0);
3319 writel(ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE, ®->inbound_doorbell);
3320 if (!arcmsr_hbaC_wait_msgint_ready(acb)) {
3321 printk(KERN_NOTICE "arcmsr%d: 'set command Q window' \
3322 timeout \n", acb->host->host_no);
3328 case ACB_ADAPTER_TYPE_D: {
3329 uint32_t __iomem *rwbuffer;
3330 struct MessageUnit_D *reg = acb->pmuD;
3331 reg->postq_index = 0;
3332 reg->doneq_index = 0;
3333 rwbuffer = reg->msgcode_rwbuffer;
3334 writel(ARCMSR_SIGNATURE_SET_CONFIG, rwbuffer++);
3335 writel(cdb_phyaddr_hi32, rwbuffer++);
3336 writel(cdb_phyaddr, rwbuffer++);
3337 writel(cdb_phyaddr + (ARCMSR_MAX_ARC1214_POSTQUEUE *
3338 sizeof(struct InBound_SRB)), rwbuffer++);
3339 writel(0x100, rwbuffer);
3340 writel(ARCMSR_INBOUND_MESG0_SET_CONFIG, reg->inbound_msgaddr0);
3341 if (!arcmsr_hbaD_wait_msgint_ready(acb)) {
3342 pr_notice("arcmsr%d: 'set command Q window' timeout\n",
3343 acb->host->host_no);
3352 static void arcmsr_wait_firmware_ready(struct AdapterControlBlock *acb)
3354 uint32_t firmware_state = 0;
3355 switch (acb->adapter_type) {
3357 case ACB_ADAPTER_TYPE_A: {
3358 struct MessageUnit_A __iomem *reg = acb->pmuA;
3360 firmware_state = readl(®->outbound_msgaddr1);
3361 } while ((firmware_state & ARCMSR_OUTBOUND_MESG1_FIRMWARE_OK) == 0);
3365 case ACB_ADAPTER_TYPE_B: {
3366 struct MessageUnit_B *reg = acb->pmuB;
3368 firmware_state = readl(reg->iop2drv_doorbell);
3369 } while ((firmware_state & ARCMSR_MESSAGE_FIRMWARE_OK) == 0);
3370 writel(ARCMSR_DRV2IOP_END_OF_INTERRUPT, reg->drv2iop_doorbell);
3373 case ACB_ADAPTER_TYPE_C: {
3374 struct MessageUnit_C __iomem *reg = acb->pmuC;
3376 firmware_state = readl(®->outbound_msgaddr1);
3377 } while ((firmware_state & ARCMSR_HBCMU_MESSAGE_FIRMWARE_OK) == 0);
3380 case ACB_ADAPTER_TYPE_D: {
3381 struct MessageUnit_D *reg = acb->pmuD;
3383 firmware_state = readl(reg->outbound_msgaddr1);
3384 } while ((firmware_state &
3385 ARCMSR_ARC1214_MESSAGE_FIRMWARE_OK) == 0);
3391 static void arcmsr_hbaA_request_device_map(struct AdapterControlBlock *acb)
3393 struct MessageUnit_A __iomem *reg = acb->pmuA;
3394 if (unlikely(atomic_read(&acb->rq_map_token) == 0) || ((acb->acb_flags & ACB_F_BUS_RESET) != 0 ) || ((acb->acb_flags & ACB_F_ABORT) != 0 )){
3395 mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ));
3398 acb->fw_flag = FW_NORMAL;
3399 if (atomic_read(&acb->ante_token_value) == atomic_read(&acb->rq_map_token)){
3400 atomic_set(&acb->rq_map_token, 16);
3402 atomic_set(&acb->ante_token_value, atomic_read(&acb->rq_map_token));
3403 if (atomic_dec_and_test(&acb->rq_map_token)) {
3404 mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ));
3407 writel(ARCMSR_INBOUND_MESG0_GET_CONFIG, ®->inbound_msgaddr0);
3408 mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ));
3413 static void arcmsr_hbaB_request_device_map(struct AdapterControlBlock *acb)
3415 struct MessageUnit_B *reg = acb->pmuB;
3416 if (unlikely(atomic_read(&acb->rq_map_token) == 0) || ((acb->acb_flags & ACB_F_BUS_RESET) != 0 ) || ((acb->acb_flags & ACB_F_ABORT) != 0 )){
3417 mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ));
3420 acb->fw_flag = FW_NORMAL;
3421 if (atomic_read(&acb->ante_token_value) == atomic_read(&acb->rq_map_token)) {
3422 atomic_set(&acb->rq_map_token, 16);
3424 atomic_set(&acb->ante_token_value, atomic_read(&acb->rq_map_token));
3425 if (atomic_dec_and_test(&acb->rq_map_token)) {
3426 mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ));
3429 writel(ARCMSR_MESSAGE_GET_CONFIG, reg->drv2iop_doorbell);
3430 mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ));
3435 static void arcmsr_hbaC_request_device_map(struct AdapterControlBlock *acb)
3437 struct MessageUnit_C __iomem *reg = acb->pmuC;
3438 if (unlikely(atomic_read(&acb->rq_map_token) == 0) || ((acb->acb_flags & ACB_F_BUS_RESET) != 0) || ((acb->acb_flags & ACB_F_ABORT) != 0)) {
3439 mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ));
3442 acb->fw_flag = FW_NORMAL;
3443 if (atomic_read(&acb->ante_token_value) == atomic_read(&acb->rq_map_token)) {
3444 atomic_set(&acb->rq_map_token, 16);
3446 atomic_set(&acb->ante_token_value, atomic_read(&acb->rq_map_token));
3447 if (atomic_dec_and_test(&acb->rq_map_token)) {
3448 mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ));
3451 writel(ARCMSR_INBOUND_MESG0_GET_CONFIG, ®->inbound_msgaddr0);
3452 writel(ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE, ®->inbound_doorbell);
3453 mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ));
3458 static void arcmsr_hbaD_request_device_map(struct AdapterControlBlock *acb)
3460 struct MessageUnit_D *reg = acb->pmuD;
3462 if (unlikely(atomic_read(&acb->rq_map_token) == 0) ||
3463 ((acb->acb_flags & ACB_F_BUS_RESET) != 0) ||
3464 ((acb->acb_flags & ACB_F_ABORT) != 0)) {
3465 mod_timer(&acb->eternal_timer,
3466 jiffies + msecs_to_jiffies(6 * HZ));
3468 acb->fw_flag = FW_NORMAL;
3469 if (atomic_read(&acb->ante_token_value) ==
3470 atomic_read(&acb->rq_map_token)) {
3471 atomic_set(&acb->rq_map_token, 16);
3473 atomic_set(&acb->ante_token_value,
3474 atomic_read(&acb->rq_map_token));
3475 if (atomic_dec_and_test(&acb->rq_map_token)) {
3476 mod_timer(&acb->eternal_timer, jiffies +
3477 msecs_to_jiffies(6 * HZ));
3480 writel(ARCMSR_INBOUND_MESG0_GET_CONFIG,
3481 reg->inbound_msgaddr0);
3482 mod_timer(&acb->eternal_timer, jiffies +
3483 msecs_to_jiffies(6 * HZ));
3487 static void arcmsr_request_device_map(unsigned long pacb)
3489 struct AdapterControlBlock *acb = (struct AdapterControlBlock *)pacb;
3490 switch (acb->adapter_type) {
3491 case ACB_ADAPTER_TYPE_A: {
3492 arcmsr_hbaA_request_device_map(acb);
3495 case ACB_ADAPTER_TYPE_B: {
3496 arcmsr_hbaB_request_device_map(acb);
3499 case ACB_ADAPTER_TYPE_C: {
3500 arcmsr_hbaC_request_device_map(acb);
3503 case ACB_ADAPTER_TYPE_D:
3504 arcmsr_hbaD_request_device_map(acb);
3509 static void arcmsr_hbaA_start_bgrb(struct AdapterControlBlock *acb)
3511 struct MessageUnit_A __iomem *reg = acb->pmuA;
3512 acb->acb_flags |= ACB_F_MSG_START_BGRB;
3513 writel(ARCMSR_INBOUND_MESG0_START_BGRB, ®->inbound_msgaddr0);
3514 if (!arcmsr_hbaA_wait_msgint_ready(acb)) {
3515 printk(KERN_NOTICE "arcmsr%d: wait 'start adapter background \
3516 rebulid' timeout \n", acb->host->host_no);
3520 static void arcmsr_hbaB_start_bgrb(struct AdapterControlBlock *acb)
3522 struct MessageUnit_B *reg = acb->pmuB;
3523 acb->acb_flags |= ACB_F_MSG_START_BGRB;
3524 writel(ARCMSR_MESSAGE_START_BGRB, reg->drv2iop_doorbell);
3525 if (!arcmsr_hbaB_wait_msgint_ready(acb)) {
3526 printk(KERN_NOTICE "arcmsr%d: wait 'start adapter background \
3527 rebulid' timeout \n",acb->host->host_no);
3531 static void arcmsr_hbaC_start_bgrb(struct AdapterControlBlock *pACB)
3533 struct MessageUnit_C __iomem *phbcmu = pACB->pmuC;
3534 pACB->acb_flags |= ACB_F_MSG_START_BGRB;
3535 writel(ARCMSR_INBOUND_MESG0_START_BGRB, &phbcmu->inbound_msgaddr0);
3536 writel(ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE, &phbcmu->inbound_doorbell);
3537 if (!arcmsr_hbaC_wait_msgint_ready(pACB)) {
3538 printk(KERN_NOTICE "arcmsr%d: wait 'start adapter background \
3539 rebulid' timeout \n", pACB->host->host_no);
3544 static void arcmsr_hbaD_start_bgrb(struct AdapterControlBlock *pACB)
3546 struct MessageUnit_D *pmu = pACB->pmuD;
3548 pACB->acb_flags |= ACB_F_MSG_START_BGRB;
3549 writel(ARCMSR_INBOUND_MESG0_START_BGRB, pmu->inbound_msgaddr0);
3550 if (!arcmsr_hbaD_wait_msgint_ready(pACB)) {
3551 pr_notice("arcmsr%d: wait 'start adapter "
3552 "background rebulid' timeout\n", pACB->host->host_no);
3556 static void arcmsr_start_adapter_bgrb(struct AdapterControlBlock *acb)
3558 switch (acb->adapter_type) {
3559 case ACB_ADAPTER_TYPE_A:
3560 arcmsr_hbaA_start_bgrb(acb);
3562 case ACB_ADAPTER_TYPE_B:
3563 arcmsr_hbaB_start_bgrb(acb);
3565 case ACB_ADAPTER_TYPE_C:
3566 arcmsr_hbaC_start_bgrb(acb);
3568 case ACB_ADAPTER_TYPE_D:
3569 arcmsr_hbaD_start_bgrb(acb);
3574 static void arcmsr_clear_doorbell_queue_buffer(struct AdapterControlBlock *acb)
3576 switch (acb->adapter_type) {
3577 case ACB_ADAPTER_TYPE_A: {
3578 struct MessageUnit_A __iomem *reg = acb->pmuA;
3579 uint32_t outbound_doorbell;
3580 /* empty doorbell Qbuffer if door bell ringed */
3581 outbound_doorbell = readl(®->outbound_doorbell);
3582 /*clear doorbell interrupt */
3583 writel(outbound_doorbell, ®->outbound_doorbell);
3584 writel(ARCMSR_INBOUND_DRIVER_DATA_READ_OK, ®->inbound_doorbell);
3588 case ACB_ADAPTER_TYPE_B: {
3589 struct MessageUnit_B *reg = acb->pmuB;
3590 /*clear interrupt and message state*/
3591 writel(ARCMSR_MESSAGE_INT_CLEAR_PATTERN, reg->iop2drv_doorbell);
3592 writel(ARCMSR_DRV2IOP_DATA_READ_OK, reg->drv2iop_doorbell);
3593 /* let IOP know data has been read */
3596 case ACB_ADAPTER_TYPE_C: {
3597 struct MessageUnit_C __iomem *reg = acb->pmuC;
3598 uint32_t outbound_doorbell, i;
3599 /* empty doorbell Qbuffer if door bell ringed */
3600 outbound_doorbell = readl(®->outbound_doorbell);
3601 writel(outbound_doorbell, ®->outbound_doorbell_clear);
3602 writel(ARCMSR_HBCMU_DRV2IOP_DATA_READ_OK, ®->inbound_doorbell);
3603 for (i = 0; i < 200; i++) {
3605 outbound_doorbell = readl(®->outbound_doorbell);
3606 if (outbound_doorbell &
3607 ARCMSR_HBCMU_IOP2DRV_DATA_WRITE_OK) {
3608 writel(outbound_doorbell,
3609 ®->outbound_doorbell_clear);
3610 writel(ARCMSR_HBCMU_DRV2IOP_DATA_READ_OK,
3611 ®->inbound_doorbell);
3617 case ACB_ADAPTER_TYPE_D: {
3618 struct MessageUnit_D *reg = acb->pmuD;
3619 uint32_t outbound_doorbell, i;
3620 /* empty doorbell Qbuffer if door bell ringed */
3621 outbound_doorbell = readl(reg->outbound_doorbell);
3622 writel(outbound_doorbell, reg->outbound_doorbell);
3623 writel(ARCMSR_ARC1214_DRV2IOP_DATA_OUT_READ,
3624 reg->inbound_doorbell);
3625 for (i = 0; i < 200; i++) {
3627 outbound_doorbell = readl(reg->outbound_doorbell);
3628 if (outbound_doorbell &
3629 ARCMSR_ARC1214_IOP2DRV_DATA_WRITE_OK) {
3630 writel(outbound_doorbell,
3631 reg->outbound_doorbell);
3632 writel(ARCMSR_ARC1214_DRV2IOP_DATA_OUT_READ,
3633 reg->inbound_doorbell);
3642 static void arcmsr_enable_eoi_mode(struct AdapterControlBlock *acb)
3644 switch (acb->adapter_type) {
3645 case ACB_ADAPTER_TYPE_A:
3647 case ACB_ADAPTER_TYPE_B:
3649 struct MessageUnit_B *reg = acb->pmuB;
3650 writel(ARCMSR_MESSAGE_ACTIVE_EOI_MODE, reg->drv2iop_doorbell);
3651 if (!arcmsr_hbaB_wait_msgint_ready(acb)) {
3652 printk(KERN_NOTICE "ARCMSR IOP enables EOI_MODE TIMEOUT");
3657 case ACB_ADAPTER_TYPE_C:
3663 static void arcmsr_hardware_reset(struct AdapterControlBlock *acb)
3667 struct MessageUnit_A __iomem *pmuA = acb->pmuA;
3668 struct MessageUnit_C __iomem *pmuC = acb->pmuC;
3669 struct MessageUnit_D *pmuD = acb->pmuD;
3671 /* backup pci config data */
3672 printk(KERN_NOTICE "arcmsr%d: executing hw bus reset .....\n", acb->host->host_no);
3673 for (i = 0; i < 64; i++) {
3674 pci_read_config_byte(acb->pdev, i, &value[i]);
3676 /* hardware reset signal */
3677 if ((acb->dev_id == 0x1680)) {
3678 writel(ARCMSR_ARC1680_BUS_RESET, &pmuA->reserved1[0]);
3679 } else if ((acb->dev_id == 0x1880)) {
3682 writel(0xF, &pmuC->write_sequence);
3683 writel(0x4, &pmuC->write_sequence);
3684 writel(0xB, &pmuC->write_sequence);
3685 writel(0x2, &pmuC->write_sequence);
3686 writel(0x7, &pmuC->write_sequence);
3687 writel(0xD, &pmuC->write_sequence);
3688 } while (((readl(&pmuC->host_diagnostic) & ARCMSR_ARC1880_DiagWrite_ENABLE) == 0) && (count < 5));
3689 writel(ARCMSR_ARC1880_RESET_ADAPTER, &pmuC->host_diagnostic);
3690 } else if ((acb->dev_id == 0x1214)) {
3691 writel(0x20, pmuD->reset_request);
3693 pci_write_config_byte(acb->pdev, 0x84, 0x20);
3696 /* write back pci config data */
3697 for (i = 0; i < 64; i++) {
3698 pci_write_config_byte(acb->pdev, i, value[i]);
3703 static void arcmsr_iop_init(struct AdapterControlBlock *acb)
3705 uint32_t intmask_org;
3706 /* disable all outbound interrupt */
3707 intmask_org = arcmsr_disable_outbound_ints(acb);
3708 arcmsr_wait_firmware_ready(acb);
3709 arcmsr_iop_confirm(acb);
3710 /*start background rebuild*/
3711 arcmsr_start_adapter_bgrb(acb);
3712 /* empty doorbell Qbuffer if door bell ringed */
3713 arcmsr_clear_doorbell_queue_buffer(acb);
3714 arcmsr_enable_eoi_mode(acb);
3715 /* enable outbound Post Queue,outbound doorbell Interrupt */
3716 arcmsr_enable_outbound_ints(acb, intmask_org);
3717 acb->acb_flags |= ACB_F_IOP_INITED;
3720 static uint8_t arcmsr_iop_reset(struct AdapterControlBlock *acb)
3722 struct CommandControlBlock *ccb;
3723 uint32_t intmask_org;
3724 uint8_t rtnval = 0x00;
3726 unsigned long flags;
3728 if (atomic_read(&acb->ccboutstandingcount) != 0) {
3729 /* disable all outbound interrupt */
3730 intmask_org = arcmsr_disable_outbound_ints(acb);
3731 /* talk to iop 331 outstanding command aborted */
3732 rtnval = arcmsr_abort_allcmd(acb);
3733 /* clear all outbound posted Q */
3734 arcmsr_done4abort_postqueue(acb);
3735 for (i = 0; i < ARCMSR_MAX_FREECCB_NUM; i++) {
3736 ccb = acb->pccb_pool[i];
3737 if (ccb->startdone == ARCMSR_CCB_START) {
3738 scsi_dma_unmap(ccb->pcmd);
3739 ccb->startdone = ARCMSR_CCB_DONE;
3741 spin_lock_irqsave(&acb->ccblist_lock, flags);
3742 list_add_tail(&ccb->list, &acb->ccb_free_list);
3743 spin_unlock_irqrestore(&acb->ccblist_lock, flags);
3746 atomic_set(&acb->ccboutstandingcount, 0);
3747 /* enable all outbound interrupt */
3748 arcmsr_enable_outbound_ints(acb, intmask_org);
3754 static int arcmsr_bus_reset(struct scsi_cmnd *cmd)
3756 struct AdapterControlBlock *acb;
3757 uint32_t intmask_org, outbound_doorbell;
3758 int retry_count = 0;
3760 acb = (struct AdapterControlBlock *) cmd->device->host->hostdata;
3761 printk(KERN_ERR "arcmsr: executing bus reset eh.....num_resets = %d, num_aborts = %d \n", acb->num_resets, acb->num_aborts);
3764 switch(acb->adapter_type){
3765 case ACB_ADAPTER_TYPE_A:{
3766 if (acb->acb_flags & ACB_F_BUS_RESET){
3768 printk(KERN_ERR "arcmsr: there is an bus reset eh proceeding.......\n");
3769 timeout = wait_event_timeout(wait_q, (acb->acb_flags & ACB_F_BUS_RESET) == 0, 220*HZ);
3774 acb->acb_flags |= ACB_F_BUS_RESET;
3775 if (!arcmsr_iop_reset(acb)) {
3776 struct MessageUnit_A __iomem *reg;
3778 arcmsr_hardware_reset(acb);
3779 acb->acb_flags &= ~ACB_F_IOP_INITED;
3781 ssleep(ARCMSR_SLEEPTIME);
3782 if ((readl(®->outbound_msgaddr1) & ARCMSR_OUTBOUND_MESG1_FIRMWARE_OK) == 0) {
3783 printk(KERN_ERR "arcmsr%d: waiting for hw bus reset return, retry=%d\n", acb->host->host_no, retry_count);
3784 if (retry_count > ARCMSR_RETRYCOUNT) {
3785 acb->fw_flag = FW_DEADLOCK;
3786 printk(KERN_ERR "arcmsr%d: waiting for hw bus reset return, RETRY TERMINATED!!\n", acb->host->host_no);
3792 acb->acb_flags |= ACB_F_IOP_INITED;
3793 /* disable all outbound interrupt */
3794 intmask_org = arcmsr_disable_outbound_ints(acb);
3795 arcmsr_get_firmware_spec(acb);
3796 arcmsr_start_adapter_bgrb(acb);
3797 /* clear Qbuffer if door bell ringed */
3798 outbound_doorbell = readl(®->outbound_doorbell);
3799 writel(outbound_doorbell, ®->outbound_doorbell); /*clear interrupt */
3800 writel(ARCMSR_INBOUND_DRIVER_DATA_READ_OK, ®->inbound_doorbell);
3801 /* enable outbound Post Queue,outbound doorbell Interrupt */
3802 arcmsr_enable_outbound_ints(acb, intmask_org);
3803 atomic_set(&acb->rq_map_token, 16);
3804 atomic_set(&acb->ante_token_value, 16);
3805 acb->fw_flag = FW_NORMAL;
3806 mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ));
3807 acb->acb_flags &= ~ACB_F_BUS_RESET;
3809 printk(KERN_ERR "arcmsr: scsi bus reset eh returns with success\n");
3811 acb->acb_flags &= ~ACB_F_BUS_RESET;
3812 atomic_set(&acb->rq_map_token, 16);
3813 atomic_set(&acb->ante_token_value, 16);
3814 acb->fw_flag = FW_NORMAL;
3815 mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6*HZ));
3820 case ACB_ADAPTER_TYPE_B:{
3821 acb->acb_flags |= ACB_F_BUS_RESET;
3822 if (!arcmsr_iop_reset(acb)) {
3823 acb->acb_flags &= ~ACB_F_BUS_RESET;
3826 acb->acb_flags &= ~ACB_F_BUS_RESET;
3827 atomic_set(&acb->rq_map_token, 16);
3828 atomic_set(&acb->ante_token_value, 16);
3829 acb->fw_flag = FW_NORMAL;
3830 mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ));
3835 case ACB_ADAPTER_TYPE_C:{
3836 if (acb->acb_flags & ACB_F_BUS_RESET) {
3838 printk(KERN_ERR "arcmsr: there is an bus reset eh proceeding.......\n");
3839 timeout = wait_event_timeout(wait_q, (acb->acb_flags & ACB_F_BUS_RESET) == 0, 220*HZ);
3844 acb->acb_flags |= ACB_F_BUS_RESET;
3845 if (!arcmsr_iop_reset(acb)) {
3846 struct MessageUnit_C __iomem *reg;
3848 arcmsr_hardware_reset(acb);
3849 acb->acb_flags &= ~ACB_F_IOP_INITED;
3851 ssleep(ARCMSR_SLEEPTIME);
3852 if ((readl(®->host_diagnostic) & 0x04) != 0) {
3853 printk(KERN_ERR "arcmsr%d: waiting for hw bus reset return, retry=%d\n", acb->host->host_no, retry_count);
3854 if (retry_count > ARCMSR_RETRYCOUNT) {
3855 acb->fw_flag = FW_DEADLOCK;
3856 printk(KERN_ERR "arcmsr%d: waiting for hw bus reset return, RETRY TERMINATED!!\n", acb->host->host_no);
3862 acb->acb_flags |= ACB_F_IOP_INITED;
3863 /* disable all outbound interrupt */
3864 intmask_org = arcmsr_disable_outbound_ints(acb);
3865 arcmsr_get_firmware_spec(acb);
3866 arcmsr_start_adapter_bgrb(acb);
3867 /* clear Qbuffer if door bell ringed */
3868 arcmsr_clear_doorbell_queue_buffer(acb);
3869 /* enable outbound Post Queue,outbound doorbell Interrupt */
3870 arcmsr_enable_outbound_ints(acb, intmask_org);
3871 atomic_set(&acb->rq_map_token, 16);
3872 atomic_set(&acb->ante_token_value, 16);
3873 acb->fw_flag = FW_NORMAL;
3874 mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ));
3875 acb->acb_flags &= ~ACB_F_BUS_RESET;
3877 printk(KERN_ERR "arcmsr: scsi bus reset eh returns with success\n");
3879 acb->acb_flags &= ~ACB_F_BUS_RESET;
3880 atomic_set(&acb->rq_map_token, 16);
3881 atomic_set(&acb->ante_token_value, 16);
3882 acb->fw_flag = FW_NORMAL;
3883 mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6*HZ));
3888 case ACB_ADAPTER_TYPE_D: {
3889 if (acb->acb_flags & ACB_F_BUS_RESET) {
3891 pr_notice("arcmsr: there is an bus reset"
3892 " eh proceeding.......\n");
3893 timeout = wait_event_timeout(wait_q, (acb->acb_flags
3894 & ACB_F_BUS_RESET) == 0, 220 * HZ);
3898 acb->acb_flags |= ACB_F_BUS_RESET;
3899 if (!arcmsr_iop_reset(acb)) {
3900 struct MessageUnit_D *reg;
3902 arcmsr_hardware_reset(acb);
3903 acb->acb_flags &= ~ACB_F_IOP_INITED;
3905 ssleep(ARCMSR_SLEEPTIME);
3906 if ((readl(reg->sample_at_reset) & 0x80) != 0) {
3907 pr_err("arcmsr%d: waiting for "
3908 "hw bus reset return, retry=%d\n",
3909 acb->host->host_no, retry_count);
3910 if (retry_count > ARCMSR_RETRYCOUNT) {
3911 acb->fw_flag = FW_DEADLOCK;
3912 pr_err("arcmsr%d: waiting for hw bus"
3914 "RETRY TERMINATED!!\n",
3915 acb->host->host_no);
3921 acb->acb_flags |= ACB_F_IOP_INITED;
3922 /* disable all outbound interrupt */
3923 intmask_org = arcmsr_disable_outbound_ints(acb);
3924 arcmsr_get_firmware_spec(acb);
3925 arcmsr_start_adapter_bgrb(acb);
3926 arcmsr_clear_doorbell_queue_buffer(acb);
3927 arcmsr_enable_outbound_ints(acb, intmask_org);
3928 atomic_set(&acb->rq_map_token, 16);
3929 atomic_set(&acb->ante_token_value, 16);
3930 acb->fw_flag = FW_NORMAL;
3931 mod_timer(&acb->eternal_timer,
3932 jiffies + msecs_to_jiffies(6 * HZ));
3933 acb->acb_flags &= ~ACB_F_BUS_RESET;
3935 pr_err("arcmsr: scsi bus reset "
3936 "eh returns with success\n");
3938 acb->acb_flags &= ~ACB_F_BUS_RESET;
3939 atomic_set(&acb->rq_map_token, 16);
3940 atomic_set(&acb->ante_token_value, 16);
3941 acb->fw_flag = FW_NORMAL;
3942 mod_timer(&acb->eternal_timer,
3943 jiffies + msecs_to_jiffies(6 * HZ));
3952 static int arcmsr_abort_one_cmd(struct AdapterControlBlock *acb,
3953 struct CommandControlBlock *ccb)
3956 rtn = arcmsr_polling_ccbdone(acb, ccb);
3960 static int arcmsr_abort(struct scsi_cmnd *cmd)
3962 struct AdapterControlBlock *acb =
3963 (struct AdapterControlBlock *)cmd->device->host->hostdata;
3966 uint32_t intmask_org;
3969 "arcmsr%d: abort device command of scsi id = %d lun = %d\n",
3970 acb->host->host_no, cmd->device->id, (u32)cmd->device->lun);
3971 acb->acb_flags |= ACB_F_ABORT;
3974 ************************************************
3975 ** the all interrupt service routine is locked
3976 ** we need to handle it as soon as possible and exit
3977 ************************************************
3979 if (!atomic_read(&acb->ccboutstandingcount)) {
3980 acb->acb_flags &= ~ACB_F_ABORT;
3984 intmask_org = arcmsr_disable_outbound_ints(acb);
3985 for (i = 0; i < ARCMSR_MAX_FREECCB_NUM; i++) {
3986 struct CommandControlBlock *ccb = acb->pccb_pool[i];
3987 if (ccb->startdone == ARCMSR_CCB_START && ccb->pcmd == cmd) {
3988 ccb->startdone = ARCMSR_CCB_ABORTED;
3989 rtn = arcmsr_abort_one_cmd(acb, ccb);
3993 acb->acb_flags &= ~ACB_F_ABORT;
3994 arcmsr_enable_outbound_ints(acb, intmask_org);
3998 static const char *arcmsr_info(struct Scsi_Host *host)
4000 struct AdapterControlBlock *acb =
4001 (struct AdapterControlBlock *) host->hostdata;
4002 static char buf[256];
4005 switch (acb->pdev->device) {
4006 case PCI_DEVICE_ID_ARECA_1110:
4007 case PCI_DEVICE_ID_ARECA_1200:
4008 case PCI_DEVICE_ID_ARECA_1202:
4009 case PCI_DEVICE_ID_ARECA_1210:
4012 case PCI_DEVICE_ID_ARECA_1120:
4013 case PCI_DEVICE_ID_ARECA_1130:
4014 case PCI_DEVICE_ID_ARECA_1160:
4015 case PCI_DEVICE_ID_ARECA_1170:
4016 case PCI_DEVICE_ID_ARECA_1201:
4017 case PCI_DEVICE_ID_ARECA_1203:
4018 case PCI_DEVICE_ID_ARECA_1220:
4019 case PCI_DEVICE_ID_ARECA_1230:
4020 case PCI_DEVICE_ID_ARECA_1260:
4021 case PCI_DEVICE_ID_ARECA_1270:
4022 case PCI_DEVICE_ID_ARECA_1280:
4025 case PCI_DEVICE_ID_ARECA_1214:
4026 case PCI_DEVICE_ID_ARECA_1380:
4027 case PCI_DEVICE_ID_ARECA_1381:
4028 case PCI_DEVICE_ID_ARECA_1680:
4029 case PCI_DEVICE_ID_ARECA_1681:
4030 case PCI_DEVICE_ID_ARECA_1880:
4038 sprintf(buf, "Areca %s RAID Controller %s\narcmsr version %s\n",
4039 type, raid6 ? "(RAID6 capable)" : "", ARCMSR_DRIVER_VERSION);