Commit | Line | Data |
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1c57e86d EC |
1 | /* |
2 | ******************************************************************************* | |
3 | ** O.S : Linux | |
4 | ** FILE NAME : arcmsr_hba.c | |
aaa64f69 CH |
5 | ** BY : Nick Cheng, C.L. Huang |
6 | ** Description: SCSI RAID Device Driver for Areca RAID Controller | |
1c57e86d | 7 | ******************************************************************************* |
aaa64f69 | 8 | ** Copyright (C) 2002 - 2014, Areca Technology Corporation All rights reserved |
1c57e86d EC |
9 | ** |
10 | ** Web site: www.areca.com.tw | |
1a4f550a | 11 | ** E-mail: support@areca.com.tw |
1c57e86d EC |
12 | ** |
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 | |
23 | ** are met: | |
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. | |
31 | ** | |
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 | ******************************************************************************* | |
46 | */ | |
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> | |
a7c8962b | 58 | #include <linux/slab.h> |
1c57e86d | 59 | #include <linux/pci.h> |
a1f6e021 | 60 | #include <linux/aer.h> |
2e9feb43 | 61 | #include <linux/circ_buf.h> |
1c57e86d EC |
62 | #include <asm/dma.h> |
63 | #include <asm/io.h> | |
1c57e86d EC |
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> | |
72 | #include "arcmsr.h" | |
aaa64f69 CH |
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"); | |
1c57e86d EC |
75 | MODULE_LICENSE("Dual BSD/GPL"); |
76 | MODULE_VERSION(ARCMSR_DRIVER_VERSION); | |
8b7eb86f TH |
77 | |
78 | #define ARCMSR_SLEEPTIME 10 | |
79 | #define ARCMSR_RETRYCOUNT 12 | |
80 | ||
c10b1d54 | 81 | static wait_queue_head_t wait_q; |
1a4f550a NC |
82 | static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb, |
83 | struct scsi_cmnd *cmd); | |
84 | static int arcmsr_iop_confirm(struct AdapterControlBlock *acb); | |
1c57e86d EC |
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, | |
1a4f550a | 88 | struct block_device *bdev, sector_t capacity, int *info); |
f281233d | 89 | static int arcmsr_queue_command(struct Scsi_Host *h, struct scsi_cmnd *cmd); |
1c57e86d EC |
90 | static int arcmsr_probe(struct pci_dev *pdev, |
91 | const struct pci_device_id *id); | |
61cda87f CH |
92 | static int arcmsr_suspend(struct pci_dev *pdev, pm_message_t state); |
93 | static int arcmsr_resume(struct pci_dev *pdev); | |
1c57e86d EC |
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); | |
1a4f550a | 98 | static u32 arcmsr_disable_outbound_ints(struct AdapterControlBlock *acb); |
61cda87f CH |
99 | static void arcmsr_enable_outbound_ints(struct AdapterControlBlock *acb, |
100 | u32 intmask_org); | |
1c57e86d | 101 | static void arcmsr_stop_adapter_bgrb(struct AdapterControlBlock *acb); |
626fa32c CH |
102 | static void arcmsr_hbaA_flush_cache(struct AdapterControlBlock *acb); |
103 | static void arcmsr_hbaB_flush_cache(struct AdapterControlBlock *acb); | |
36b83ded | 104 | static void arcmsr_request_device_map(unsigned long pacb); |
626fa32c CH |
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); | |
36b83ded | 108 | static void arcmsr_message_isr_bh_fn(struct work_struct *work); |
ae52e7f0 | 109 | static bool arcmsr_get_firmware_spec(struct AdapterControlBlock *acb); |
36b83ded | 110 | static void arcmsr_start_adapter_bgrb(struct AdapterControlBlock *acb); |
626fa32c | 111 | static void arcmsr_hbaC_message_isr(struct AdapterControlBlock *pACB); |
5b37479a | 112 | static void arcmsr_hbaD_message_isr(struct AdapterControlBlock *acb); |
cdd3cb15 | 113 | static void arcmsr_hardware_reset(struct AdapterControlBlock *acb); |
1c57e86d EC |
114 | static const char *arcmsr_info(struct Scsi_Host *); |
115 | static irqreturn_t arcmsr_interrupt(struct AdapterControlBlock *acb); | |
b4eb6ae9 | 116 | static void arcmsr_free_irq(struct pci_dev *, struct AdapterControlBlock *); |
db5ed4df | 117 | static int arcmsr_adjust_disk_queue_depth(struct scsi_device *sdev, int queue_depth) |
1c57e86d EC |
118 | { |
119 | if (queue_depth > ARCMSR_MAX_CMD_PERLUN) | |
120 | queue_depth = ARCMSR_MAX_CMD_PERLUN; | |
db5ed4df | 121 | return scsi_change_queue_depth(sdev, queue_depth); |
1c57e86d EC |
122 | } |
123 | ||
124 | static struct scsi_host_template arcmsr_scsi_host_template = { | |
125 | .module = THIS_MODULE, | |
aaa64f69 | 126 | .name = "Areca SAS/SATA RAID driver", |
1c57e86d EC |
127 | .info = arcmsr_info, |
128 | .queuecommand = arcmsr_queue_command, | |
cdd3cb15 | 129 | .eh_abort_handler = arcmsr_abort, |
1c57e86d EC |
130 | .eh_bus_reset_handler = arcmsr_bus_reset, |
131 | .bios_param = arcmsr_bios_param, | |
132 | .change_queue_depth = arcmsr_adjust_disk_queue_depth, | |
3df824af | 133 | .can_queue = ARCMSR_MAX_OUTSTANDING_CMD, |
cdd3cb15 NC |
134 | .this_id = ARCMSR_SCSI_INITIATOR_ID, |
135 | .sg_tablesize = ARCMSR_DEFAULT_SG_ENTRIES, | |
136 | .max_sectors = ARCMSR_MAX_XFER_SECTORS_C, | |
1c57e86d EC |
137 | .cmd_per_lun = ARCMSR_MAX_CMD_PERLUN, |
138 | .use_clustering = ENABLE_CLUSTERING, | |
139 | .shost_attrs = arcmsr_host_attrs, | |
54b2b50c | 140 | .no_write_same = 1, |
1c57e86d | 141 | }; |
8b7c9942 | 142 | |
1c57e86d | 143 | static struct pci_device_id arcmsr_device_id_table[] = { |
8b7c9942 CH |
144 | {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1110), |
145 | .driver_data = ACB_ADAPTER_TYPE_A}, | |
146 | {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1120), | |
147 | .driver_data = ACB_ADAPTER_TYPE_A}, | |
148 | {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1130), | |
149 | .driver_data = ACB_ADAPTER_TYPE_A}, | |
150 | {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1160), | |
151 | .driver_data = ACB_ADAPTER_TYPE_A}, | |
152 | {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1170), | |
153 | .driver_data = ACB_ADAPTER_TYPE_A}, | |
154 | {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1200), | |
155 | .driver_data = ACB_ADAPTER_TYPE_B}, | |
156 | {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1201), | |
157 | .driver_data = ACB_ADAPTER_TYPE_B}, | |
158 | {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1202), | |
159 | .driver_data = ACB_ADAPTER_TYPE_B}, | |
160 | {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1210), | |
161 | .driver_data = ACB_ADAPTER_TYPE_A}, | |
5b37479a CH |
162 | {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1214), |
163 | .driver_data = ACB_ADAPTER_TYPE_D}, | |
8b7c9942 CH |
164 | {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1220), |
165 | .driver_data = ACB_ADAPTER_TYPE_A}, | |
166 | {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1230), | |
167 | .driver_data = ACB_ADAPTER_TYPE_A}, | |
168 | {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1260), | |
169 | .driver_data = ACB_ADAPTER_TYPE_A}, | |
170 | {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1270), | |
171 | .driver_data = ACB_ADAPTER_TYPE_A}, | |
172 | {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1280), | |
173 | .driver_data = ACB_ADAPTER_TYPE_A}, | |
174 | {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1380), | |
175 | .driver_data = ACB_ADAPTER_TYPE_A}, | |
176 | {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1381), | |
177 | .driver_data = ACB_ADAPTER_TYPE_A}, | |
178 | {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1680), | |
179 | .driver_data = ACB_ADAPTER_TYPE_A}, | |
180 | {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1681), | |
181 | .driver_data = ACB_ADAPTER_TYPE_A}, | |
182 | {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1880), | |
183 | .driver_data = ACB_ADAPTER_TYPE_C}, | |
1c57e86d EC |
184 | {0, 0}, /* Terminating entry */ |
185 | }; | |
186 | MODULE_DEVICE_TABLE(pci, arcmsr_device_id_table); | |
8b7c9942 | 187 | |
1c57e86d EC |
188 | static struct pci_driver arcmsr_pci_driver = { |
189 | .name = "arcmsr", | |
cdd3cb15 | 190 | .id_table = arcmsr_device_id_table, |
1c57e86d EC |
191 | .probe = arcmsr_probe, |
192 | .remove = arcmsr_remove, | |
61cda87f CH |
193 | .suspend = arcmsr_suspend, |
194 | .resume = arcmsr_resume, | |
a1f6e021 | 195 | .shutdown = arcmsr_shutdown, |
1c57e86d | 196 | }; |
cdd3cb15 NC |
197 | /* |
198 | **************************************************************************** | |
199 | **************************************************************************** | |
200 | */ | |
1c57e86d | 201 | |
626fa32c | 202 | static void arcmsr_free_mu(struct AdapterControlBlock *acb) |
ae52e7f0 NC |
203 | { |
204 | switch (acb->adapter_type) { | |
5b37479a CH |
205 | case ACB_ADAPTER_TYPE_B: |
206 | case ACB_ADAPTER_TYPE_D: { | |
6e38adfc CH |
207 | dma_free_coherent(&acb->pdev->dev, acb->roundup_ccbsize, |
208 | acb->dma_coherent2, acb->dma_coherent_handle2); | |
209 | break; | |
ae52e7f0 NC |
210 | } |
211 | } | |
212 | } | |
213 | ||
214 | static bool arcmsr_remap_pciregion(struct AdapterControlBlock *acb) | |
215 | { | |
216 | struct pci_dev *pdev = acb->pdev; | |
cdd3cb15 | 217 | switch (acb->adapter_type){ |
ae52e7f0 | 218 | case ACB_ADAPTER_TYPE_A:{ |
cdd3cb15 | 219 | acb->pmuA = ioremap(pci_resource_start(pdev,0), pci_resource_len(pdev,0)); |
ae52e7f0 NC |
220 | if (!acb->pmuA) { |
221 | printk(KERN_NOTICE "arcmsr%d: memory mapping region fail \n", acb->host->host_no); | |
222 | return false; | |
223 | } | |
224 | break; | |
225 | } | |
226 | case ACB_ADAPTER_TYPE_B:{ | |
227 | void __iomem *mem_base0, *mem_base1; | |
228 | mem_base0 = ioremap(pci_resource_start(pdev, 0), pci_resource_len(pdev, 0)); | |
229 | if (!mem_base0) { | |
230 | printk(KERN_NOTICE "arcmsr%d: memory mapping region fail \n", acb->host->host_no); | |
231 | return false; | |
232 | } | |
233 | mem_base1 = ioremap(pci_resource_start(pdev, 2), pci_resource_len(pdev, 2)); | |
234 | if (!mem_base1) { | |
235 | iounmap(mem_base0); | |
236 | printk(KERN_NOTICE "arcmsr%d: memory mapping region fail \n", acb->host->host_no); | |
237 | return false; | |
238 | } | |
239 | acb->mem_base0 = mem_base0; | |
240 | acb->mem_base1 = mem_base1; | |
cdd3cb15 NC |
241 | break; |
242 | } | |
243 | case ACB_ADAPTER_TYPE_C:{ | |
244 | acb->pmuC = ioremap_nocache(pci_resource_start(pdev, 1), pci_resource_len(pdev, 1)); | |
245 | if (!acb->pmuC) { | |
246 | printk(KERN_NOTICE "arcmsr%d: memory mapping region fail \n", acb->host->host_no); | |
247 | return false; | |
248 | } | |
249 | if (readl(&acb->pmuC->outbound_doorbell) & ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE) { | |
250 | writel(ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE_DOORBELL_CLEAR, &acb->pmuC->outbound_doorbell_clear);/*clear interrupt*/ | |
251 | return true; | |
252 | } | |
253 | break; | |
ae52e7f0 | 254 | } |
5b37479a CH |
255 | case ACB_ADAPTER_TYPE_D: { |
256 | void __iomem *mem_base0; | |
257 | unsigned long addr, range, flags; | |
258 | ||
259 | addr = (unsigned long)pci_resource_start(pdev, 0); | |
260 | range = pci_resource_len(pdev, 0); | |
261 | flags = pci_resource_flags(pdev, 0); | |
262 | if (flags & IORESOURCE_CACHEABLE) | |
263 | mem_base0 = ioremap(addr, range); | |
264 | else | |
265 | mem_base0 = ioremap_nocache(addr, range); | |
266 | if (!mem_base0) { | |
267 | pr_notice("arcmsr%d: memory mapping region fail\n", | |
268 | acb->host->host_no); | |
269 | return false; | |
270 | } | |
271 | acb->mem_base0 = mem_base0; | |
272 | break; | |
273 | } | |
ae52e7f0 NC |
274 | } |
275 | return true; | |
276 | } | |
277 | ||
278 | static void arcmsr_unmap_pciregion(struct AdapterControlBlock *acb) | |
279 | { | |
280 | switch (acb->adapter_type) { | |
cdd3cb15 NC |
281 | case ACB_ADAPTER_TYPE_A:{ |
282 | iounmap(acb->pmuA); | |
283 | } | |
284 | break; | |
285 | case ACB_ADAPTER_TYPE_B:{ | |
286 | iounmap(acb->mem_base0); | |
287 | iounmap(acb->mem_base1); | |
288 | } | |
289 | ||
290 | break; | |
291 | case ACB_ADAPTER_TYPE_C:{ | |
292 | iounmap(acb->pmuC); | |
293 | } | |
5b37479a CH |
294 | break; |
295 | case ACB_ADAPTER_TYPE_D: | |
296 | iounmap(acb->mem_base0); | |
297 | break; | |
ae52e7f0 NC |
298 | } |
299 | } | |
300 | ||
7d12e780 | 301 | static irqreturn_t arcmsr_do_interrupt(int irq, void *dev_id) |
1c57e86d EC |
302 | { |
303 | irqreturn_t handle_state; | |
1a4f550a | 304 | struct AdapterControlBlock *acb = dev_id; |
1c57e86d | 305 | |
1c57e86d | 306 | handle_state = arcmsr_interrupt(acb); |
1c57e86d EC |
307 | return handle_state; |
308 | } | |
309 | ||
310 | static int arcmsr_bios_param(struct scsi_device *sdev, | |
311 | struct block_device *bdev, sector_t capacity, int *geom) | |
312 | { | |
313 | int ret, heads, sectors, cylinders, total_capacity; | |
314 | unsigned char *buffer;/* return copy of block device's partition table */ | |
315 | ||
316 | buffer = scsi_bios_ptable(bdev); | |
317 | if (buffer) { | |
318 | ret = scsi_partsize(buffer, capacity, &geom[2], &geom[0], &geom[1]); | |
319 | kfree(buffer); | |
320 | if (ret != -1) | |
321 | return ret; | |
322 | } | |
323 | total_capacity = capacity; | |
324 | heads = 64; | |
325 | sectors = 32; | |
326 | cylinders = total_capacity / (heads * sectors); | |
327 | if (cylinders > 1024) { | |
328 | heads = 255; | |
329 | sectors = 63; | |
330 | cylinders = total_capacity / (heads * sectors); | |
331 | } | |
332 | geom[0] = heads; | |
333 | geom[1] = sectors; | |
334 | geom[2] = cylinders; | |
335 | return 0; | |
336 | } | |
337 | ||
626fa32c | 338 | static uint8_t arcmsr_hbaA_wait_msgint_ready(struct AdapterControlBlock *acb) |
ae52e7f0 NC |
339 | { |
340 | struct MessageUnit_A __iomem *reg = acb->pmuA; | |
8b7eb86f TH |
341 | int i; |
342 | ||
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); | |
348 | return true; | |
349 | } | |
350 | msleep(10); | |
351 | } /* max 20 seconds */ | |
ae52e7f0 | 352 | |
cdd3cb15 | 353 | return false; |
ae52e7f0 NC |
354 | } |
355 | ||
626fa32c | 356 | static uint8_t arcmsr_hbaB_wait_msgint_ready(struct AdapterControlBlock *acb) |
1a4f550a | 357 | { |
ae52e7f0 | 358 | struct MessageUnit_B *reg = acb->pmuB; |
8b7eb86f TH |
359 | int i; |
360 | ||
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); | |
368 | return true; | |
369 | } | |
370 | msleep(10); | |
371 | } /* max 20 seconds */ | |
ae52e7f0 | 372 | |
cdd3cb15 | 373 | return false; |
ae52e7f0 NC |
374 | } |
375 | ||
626fa32c | 376 | static uint8_t arcmsr_hbaC_wait_msgint_ready(struct AdapterControlBlock *pACB) |
cdd3cb15 | 377 | { |
c10b1d54 | 378 | struct MessageUnit_C __iomem *phbcmu = pACB->pmuC; |
8b7eb86f TH |
379 | int i; |
380 | ||
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*/ | |
386 | return true; | |
387 | } | |
388 | msleep(10); | |
389 | } /* max 20 seconds */ | |
390 | ||
cdd3cb15 NC |
391 | return false; |
392 | } | |
8b7eb86f | 393 | |
5b37479a CH |
394 | static bool arcmsr_hbaD_wait_msgint_ready(struct AdapterControlBlock *pACB) |
395 | { | |
396 | struct MessageUnit_D *reg = pACB->pmuD; | |
397 | int i; | |
398 | ||
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); | |
404 | return true; | |
405 | } | |
406 | msleep(10); | |
407 | } /* max 20 seconds */ | |
408 | return false; | |
409 | } | |
410 | ||
626fa32c | 411 | static void arcmsr_hbaA_flush_cache(struct AdapterControlBlock *acb) |
ae52e7f0 NC |
412 | { |
413 | struct MessageUnit_A __iomem *reg = acb->pmuA; | |
414 | int retry_count = 30; | |
ae52e7f0 NC |
415 | writel(ARCMSR_INBOUND_MESG0_FLUSH_CACHE, ®->inbound_msgaddr0); |
416 | do { | |
626fa32c | 417 | if (arcmsr_hbaA_wait_msgint_ready(acb)) |
ae52e7f0 NC |
418 | break; |
419 | else { | |
420 | retry_count--; | |
421 | printk(KERN_NOTICE "arcmsr%d: wait 'flush adapter cache' \ | |
422 | timeout, retry count down = %d \n", acb->host->host_no, retry_count); | |
423 | } | |
424 | } while (retry_count != 0); | |
425 | } | |
426 | ||
626fa32c | 427 | static void arcmsr_hbaB_flush_cache(struct AdapterControlBlock *acb) |
ae52e7f0 NC |
428 | { |
429 | struct MessageUnit_B *reg = acb->pmuB; | |
430 | int retry_count = 30; | |
ae52e7f0 NC |
431 | writel(ARCMSR_MESSAGE_FLUSH_CACHE, reg->drv2iop_doorbell); |
432 | do { | |
626fa32c | 433 | if (arcmsr_hbaB_wait_msgint_ready(acb)) |
ae52e7f0 NC |
434 | break; |
435 | else { | |
436 | retry_count--; | |
437 | printk(KERN_NOTICE "arcmsr%d: wait 'flush adapter cache' \ | |
438 | timeout,retry count down = %d \n", acb->host->host_no, retry_count); | |
439 | } | |
440 | } while (retry_count != 0); | |
441 | } | |
442 | ||
626fa32c | 443 | static void arcmsr_hbaC_flush_cache(struct AdapterControlBlock *pACB) |
cdd3cb15 | 444 | { |
c10b1d54 | 445 | struct MessageUnit_C __iomem *reg = pACB->pmuC; |
cdd3cb15 NC |
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); | |
449 | do { | |
626fa32c | 450 | if (arcmsr_hbaC_wait_msgint_ready(pACB)) { |
cdd3cb15 NC |
451 | break; |
452 | } else { | |
453 | retry_count--; | |
454 | printk(KERN_NOTICE "arcmsr%d: wait 'flush adapter cache' \ | |
455 | timeout,retry count down = %d \n", pACB->host->host_no, retry_count); | |
456 | } | |
457 | } while (retry_count != 0); | |
458 | return; | |
459 | } | |
5b37479a CH |
460 | |
461 | static void arcmsr_hbaD_flush_cache(struct AdapterControlBlock *pACB) | |
462 | { | |
463 | int retry_count = 15; | |
464 | struct MessageUnit_D *reg = pACB->pmuD; | |
465 | ||
466 | writel(ARCMSR_INBOUND_MESG0_FLUSH_CACHE, reg->inbound_msgaddr0); | |
467 | do { | |
468 | if (arcmsr_hbaD_wait_msgint_ready(pACB)) | |
469 | break; | |
470 | ||
471 | retry_count--; | |
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); | |
476 | } | |
477 | ||
ae52e7f0 NC |
478 | static void arcmsr_flush_adapter_cache(struct AdapterControlBlock *acb) |
479 | { | |
1a4f550a | 480 | switch (acb->adapter_type) { |
1c57e86d | 481 | |
1a4f550a | 482 | case ACB_ADAPTER_TYPE_A: { |
626fa32c | 483 | arcmsr_hbaA_flush_cache(acb); |
ae52e7f0 NC |
484 | } |
485 | break; | |
1a4f550a | 486 | |
ae52e7f0 | 487 | case ACB_ADAPTER_TYPE_B: { |
626fa32c | 488 | arcmsr_hbaB_flush_cache(acb); |
1a4f550a | 489 | } |
cdd3cb15 NC |
490 | break; |
491 | case ACB_ADAPTER_TYPE_C: { | |
626fa32c | 492 | arcmsr_hbaC_flush_cache(acb); |
cdd3cb15 | 493 | } |
5b37479a CH |
494 | break; |
495 | case ACB_ADAPTER_TYPE_D: | |
496 | arcmsr_hbaD_flush_cache(acb); | |
497 | break; | |
ae52e7f0 NC |
498 | } |
499 | } | |
1a4f550a | 500 | |
ae52e7f0 NC |
501 | static int arcmsr_alloc_ccb_pool(struct AdapterControlBlock *acb) |
502 | { | |
cdd3cb15 NC |
503 | struct pci_dev *pdev = acb->pdev; |
504 | void *dma_coherent; | |
505 | dma_addr_t dma_coherent_handle; | |
506 | struct CommandControlBlock *ccb_tmp; | |
507 | int i = 0, j = 0; | |
508 | dma_addr_t cdb_phyaddr; | |
87f76152 | 509 | unsigned long roundup_ccbsize; |
cdd3cb15 NC |
510 | unsigned long max_xfer_len; |
511 | unsigned long max_sg_entrys; | |
512 | uint32_t firm_config_version; | |
87f76152 | 513 | |
cdd3cb15 NC |
514 | for (i = 0; i < ARCMSR_MAX_TARGETID; i++) |
515 | for (j = 0; j < ARCMSR_MAX_TARGETLUN; j++) | |
516 | acb->devstate[i][j] = ARECA_RAID_GONE; | |
517 | ||
518 | max_xfer_len = ARCMSR_MAX_XFER_LEN; | |
519 | max_sg_entrys = ARCMSR_DEFAULT_SG_ENTRIES; | |
520 | firm_config_version = acb->firm_cfg_version; | |
521 | if((firm_config_version & 0xFF) >= 3){ | |
522 | max_xfer_len = (ARCMSR_CDB_SG_PAGE_LENGTH << ((firm_config_version >> 8) & 0xFF)) * 1024;/* max 4M byte */ | |
87f76152 | 523 | max_sg_entrys = (max_xfer_len/4096); |
cdd3cb15 NC |
524 | } |
525 | acb->host->max_sectors = max_xfer_len/512; | |
526 | acb->host->sg_tablesize = max_sg_entrys; | |
527 | roundup_ccbsize = roundup(sizeof(struct CommandControlBlock) + (max_sg_entrys - 1) * sizeof(struct SG64ENTRY), 32); | |
87f76152 | 528 | acb->uncache_size = roundup_ccbsize * ARCMSR_MAX_FREECCB_NUM; |
cdd3cb15 NC |
529 | dma_coherent = dma_alloc_coherent(&pdev->dev, acb->uncache_size, &dma_coherent_handle, GFP_KERNEL); |
530 | if(!dma_coherent){ | |
87f76152 | 531 | printk(KERN_NOTICE "arcmsr%d: dma_alloc_coherent got error\n", acb->host->host_no); |
cdd3cb15 NC |
532 | return -ENOMEM; |
533 | } | |
534 | acb->dma_coherent = dma_coherent; | |
535 | acb->dma_coherent_handle = dma_coherent_handle; | |
536 | memset(dma_coherent, 0, acb->uncache_size); | |
cdd3cb15 NC |
537 | ccb_tmp = dma_coherent; |
538 | acb->vir2phy_offset = (unsigned long)dma_coherent - (unsigned long)dma_coherent_handle; | |
539 | for(i = 0; i < ARCMSR_MAX_FREECCB_NUM; i++){ | |
540 | cdb_phyaddr = dma_coherent_handle + offsetof(struct CommandControlBlock, arcmsr_cdb); | |
5b37479a CH |
541 | switch (acb->adapter_type) { |
542 | case ACB_ADAPTER_TYPE_A: | |
543 | case ACB_ADAPTER_TYPE_B: | |
544 | ccb_tmp->cdb_phyaddr = cdb_phyaddr >> 5; | |
545 | break; | |
546 | case ACB_ADAPTER_TYPE_C: | |
547 | case ACB_ADAPTER_TYPE_D: | |
548 | ccb_tmp->cdb_phyaddr = cdb_phyaddr; | |
549 | break; | |
550 | } | |
cdd3cb15 NC |
551 | acb->pccb_pool[i] = ccb_tmp; |
552 | ccb_tmp->acb = acb; | |
553 | INIT_LIST_HEAD(&ccb_tmp->list); | |
554 | list_add_tail(&ccb_tmp->list, &acb->ccb_free_list); | |
555 | ccb_tmp = (struct CommandControlBlock *)((unsigned long)ccb_tmp + roundup_ccbsize); | |
556 | dma_coherent_handle = dma_coherent_handle + roundup_ccbsize; | |
1a4f550a | 557 | } |
1c57e86d EC |
558 | return 0; |
559 | } | |
36b83ded | 560 | |
cdd3cb15 NC |
561 | static void arcmsr_message_isr_bh_fn(struct work_struct *work) |
562 | { | |
12aad947 CH |
563 | struct AdapterControlBlock *acb = container_of(work, |
564 | struct AdapterControlBlock, arcmsr_do_message_isr_bh); | |
565 | char *acb_dev_map = (char *)acb->device_map; | |
566 | uint32_t __iomem *signature = NULL; | |
567 | char __iomem *devicemap = NULL; | |
568 | int target, lun; | |
569 | struct scsi_device *psdev; | |
570 | char diff, temp; | |
571 | ||
36b83ded | 572 | switch (acb->adapter_type) { |
12aad947 CH |
573 | case ACB_ADAPTER_TYPE_A: { |
574 | struct MessageUnit_A __iomem *reg = acb->pmuA; | |
36b83ded | 575 | |
12aad947 CH |
576 | signature = (uint32_t __iomem *)(®->message_rwbuffer[0]); |
577 | devicemap = (char __iomem *)(®->message_rwbuffer[21]); | |
cdd3cb15 | 578 | break; |
12aad947 CH |
579 | } |
580 | case ACB_ADAPTER_TYPE_B: { | |
581 | struct MessageUnit_B *reg = acb->pmuB; | |
582 | ||
583 | signature = (uint32_t __iomem *)(®->message_rwbuffer[0]); | |
584 | devicemap = (char __iomem *)(®->message_rwbuffer[21]); | |
585 | break; | |
586 | } | |
587 | case ACB_ADAPTER_TYPE_C: { | |
588 | struct MessageUnit_C __iomem *reg = acb->pmuC; | |
589 | ||
590 | signature = (uint32_t __iomem *)(®->msgcode_rwbuffer[0]); | |
591 | devicemap = (char __iomem *)(®->msgcode_rwbuffer[21]); | |
592 | break; | |
593 | } | |
5b37479a CH |
594 | case ACB_ADAPTER_TYPE_D: { |
595 | struct MessageUnit_D *reg = acb->pmuD; | |
596 | ||
597 | signature = (uint32_t __iomem *)(®->msgcode_rwbuffer[0]); | |
598 | devicemap = (char __iomem *)(®->msgcode_rwbuffer[21]); | |
599 | break; | |
600 | } | |
12aad947 CH |
601 | } |
602 | atomic_inc(&acb->rq_map_token); | |
603 | if (readl(signature) != ARCMSR_SIGNATURE_GET_CONFIG) | |
604 | return; | |
605 | for (target = 0; target < ARCMSR_MAX_TARGETID - 1; | |
606 | target++) { | |
607 | temp = readb(devicemap); | |
608 | diff = (*acb_dev_map) ^ temp; | |
609 | if (diff != 0) { | |
610 | *acb_dev_map = temp; | |
611 | for (lun = 0; lun < ARCMSR_MAX_TARGETLUN; | |
612 | lun++) { | |
613 | if ((diff & 0x01) == 1 && | |
614 | (temp & 0x01) == 1) { | |
615 | scsi_add_device(acb->host, | |
616 | 0, target, lun); | |
617 | } else if ((diff & 0x01) == 1 | |
618 | && (temp & 0x01) == 0) { | |
619 | psdev = scsi_device_lookup(acb->host, | |
620 | 0, target, lun); | |
621 | if (psdev != NULL) { | |
622 | scsi_remove_device(psdev); | |
623 | scsi_device_put(psdev); | |
36b83ded | 624 | } |
36b83ded | 625 | } |
12aad947 CH |
626 | temp >>= 1; |
627 | diff >>= 1; | |
36b83ded NC |
628 | } |
629 | } | |
12aad947 CH |
630 | devicemap++; |
631 | acb_dev_map++; | |
36b83ded NC |
632 | } |
633 | } | |
1c57e86d | 634 | |
1d1166ea CH |
635 | static int |
636 | arcmsr_request_irq(struct pci_dev *pdev, struct AdapterControlBlock *acb) | |
637 | { | |
638 | int i, j, r; | |
639 | struct msix_entry entries[ARCMST_NUM_MSIX_VECTORS]; | |
640 | ||
641 | for (i = 0; i < ARCMST_NUM_MSIX_VECTORS; i++) | |
642 | entries[i].entry = i; | |
643 | r = pci_enable_msix_range(pdev, entries, 1, ARCMST_NUM_MSIX_VECTORS); | |
644 | if (r < 0) | |
645 | goto msi_int; | |
646 | acb->msix_vector_count = r; | |
647 | for (i = 0; i < r; i++) { | |
648 | if (request_irq(entries[i].vector, | |
649 | arcmsr_do_interrupt, 0, "arcmsr", acb)) { | |
650 | pr_warn("arcmsr%d: request_irq =%d failed!\n", | |
651 | acb->host->host_no, entries[i].vector); | |
652 | for (j = 0 ; j < i ; j++) | |
653 | free_irq(entries[j].vector, acb); | |
654 | pci_disable_msix(pdev); | |
655 | goto msi_int; | |
656 | } | |
657 | acb->entries[i] = entries[i]; | |
658 | } | |
659 | acb->acb_flags |= ACB_F_MSIX_ENABLED; | |
660 | pr_info("arcmsr%d: msi-x enabled\n", acb->host->host_no); | |
661 | return SUCCESS; | |
662 | msi_int: | |
663 | if (pci_enable_msi_exact(pdev, 1) < 0) | |
664 | goto legacy_int; | |
665 | if (request_irq(pdev->irq, arcmsr_do_interrupt, | |
666 | IRQF_SHARED, "arcmsr", acb)) { | |
667 | pr_warn("arcmsr%d: request_irq =%d failed!\n", | |
668 | acb->host->host_no, pdev->irq); | |
669 | pci_disable_msi(pdev); | |
670 | goto legacy_int; | |
671 | } | |
672 | acb->acb_flags |= ACB_F_MSI_ENABLED; | |
673 | pr_info("arcmsr%d: msi enabled\n", acb->host->host_no); | |
674 | return SUCCESS; | |
675 | legacy_int: | |
676 | if (request_irq(pdev->irq, arcmsr_do_interrupt, | |
677 | IRQF_SHARED, "arcmsr", acb)) { | |
678 | pr_warn("arcmsr%d: request_irq = %d failed!\n", | |
679 | acb->host->host_no, pdev->irq); | |
680 | return FAILED; | |
681 | } | |
682 | return SUCCESS; | |
683 | } | |
684 | ||
ae52e7f0 | 685 | static int arcmsr_probe(struct pci_dev *pdev, const struct pci_device_id *id) |
1c57e86d EC |
686 | { |
687 | struct Scsi_Host *host; | |
688 | struct AdapterControlBlock *acb; | |
cdd3cb15 | 689 | uint8_t bus,dev_fun; |
1c57e86d | 690 | int error; |
1c57e86d | 691 | error = pci_enable_device(pdev); |
cdd3cb15 | 692 | if(error){ |
ae52e7f0 NC |
693 | return -ENODEV; |
694 | } | |
695 | host = scsi_host_alloc(&arcmsr_scsi_host_template, sizeof(struct AdapterControlBlock)); | |
cdd3cb15 NC |
696 | if(!host){ |
697 | goto pci_disable_dev; | |
1c57e86d | 698 | } |
6a35528a | 699 | error = pci_set_dma_mask(pdev, DMA_BIT_MASK(64)); |
cdd3cb15 | 700 | if(error){ |
284901a9 | 701 | error = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); |
cdd3cb15 | 702 | if(error){ |
1c57e86d EC |
703 | printk(KERN_WARNING |
704 | "scsi%d: No suitable DMA mask available\n", | |
705 | host->host_no); | |
ae52e7f0 | 706 | goto scsi_host_release; |
1c57e86d EC |
707 | } |
708 | } | |
ae52e7f0 | 709 | init_waitqueue_head(&wait_q); |
1c57e86d EC |
710 | bus = pdev->bus->number; |
711 | dev_fun = pdev->devfn; | |
ae52e7f0 | 712 | acb = (struct AdapterControlBlock *) host->hostdata; |
cdd3cb15 | 713 | memset(acb,0,sizeof(struct AdapterControlBlock)); |
1c57e86d | 714 | acb->pdev = pdev; |
ae52e7f0 | 715 | acb->host = host; |
1c57e86d | 716 | host->max_lun = ARCMSR_MAX_TARGETLUN; |
cdd3cb15 NC |
717 | host->max_id = ARCMSR_MAX_TARGETID; /*16:8*/ |
718 | host->max_cmd_len = 16; /*this is issue of 64bit LBA ,over 2T byte*/ | |
3df824af | 719 | host->can_queue = ARCMSR_MAX_OUTSTANDING_CMD; |
cdd3cb15 | 720 | host->cmd_per_lun = ARCMSR_MAX_CMD_PERLUN; |
1c57e86d EC |
721 | host->this_id = ARCMSR_SCSI_INITIATOR_ID; |
722 | host->unique_id = (bus << 8) | dev_fun; | |
ae52e7f0 NC |
723 | pci_set_drvdata(pdev, host); |
724 | pci_set_master(pdev); | |
1c57e86d | 725 | error = pci_request_regions(pdev, "arcmsr"); |
cdd3cb15 | 726 | if(error){ |
ae52e7f0 | 727 | goto scsi_host_release; |
1c57e86d | 728 | } |
ae52e7f0 NC |
729 | spin_lock_init(&acb->eh_lock); |
730 | spin_lock_init(&acb->ccblist_lock); | |
5b37479a CH |
731 | spin_lock_init(&acb->postq_lock); |
732 | spin_lock_init(&acb->doneq_lock); | |
bb263c4e CH |
733 | spin_lock_init(&acb->rqbuffer_lock); |
734 | spin_lock_init(&acb->wqbuffer_lock); | |
1c57e86d | 735 | acb->acb_flags |= (ACB_F_MESSAGE_WQBUFFER_CLEARED | |
cdd3cb15 NC |
736 | ACB_F_MESSAGE_RQBUFFER_CLEARED | |
737 | ACB_F_MESSAGE_WQBUFFER_READED); | |
1c57e86d EC |
738 | acb->acb_flags &= ~ACB_F_SCSISTOPADAPTER; |
739 | INIT_LIST_HEAD(&acb->ccb_free_list); | |
8b7c9942 | 740 | acb->adapter_type = id->driver_data; |
ae52e7f0 | 741 | error = arcmsr_remap_pciregion(acb); |
cdd3cb15 | 742 | if(!error){ |
ae52e7f0 NC |
743 | goto pci_release_regs; |
744 | } | |
745 | error = arcmsr_get_firmware_spec(acb); | |
cdd3cb15 | 746 | if(!error){ |
ae52e7f0 NC |
747 | goto unmap_pci_region; |
748 | } | |
1c57e86d | 749 | error = arcmsr_alloc_ccb_pool(acb); |
cdd3cb15 | 750 | if(error){ |
ae52e7f0 NC |
751 | goto free_hbb_mu; |
752 | } | |
1c57e86d | 753 | error = scsi_add_host(host, &pdev->dev); |
cdd3cb15 | 754 | if(error){ |
b4eb6ae9 | 755 | goto free_ccb_pool; |
ae52e7f0 | 756 | } |
1d1166ea | 757 | if (arcmsr_request_irq(pdev, acb) == FAILED) |
ae52e7f0 | 758 | goto scsi_host_remove; |
1d1166ea | 759 | arcmsr_iop_init(acb); |
ae52e7f0 | 760 | INIT_WORK(&acb->arcmsr_do_message_isr_bh, arcmsr_message_isr_bh_fn); |
36b83ded | 761 | atomic_set(&acb->rq_map_token, 16); |
ae52e7f0 NC |
762 | atomic_set(&acb->ante_token_value, 16); |
763 | acb->fw_flag = FW_NORMAL; | |
36b83ded | 764 | init_timer(&acb->eternal_timer); |
ae52e7f0 | 765 | acb->eternal_timer.expires = jiffies + msecs_to_jiffies(6 * HZ); |
36b83ded NC |
766 | acb->eternal_timer.data = (unsigned long) acb; |
767 | acb->eternal_timer.function = &arcmsr_request_device_map; | |
768 | add_timer(&acb->eternal_timer); | |
cdd3cb15 | 769 | if(arcmsr_alloc_sysfs_attr(acb)) |
ae52e7f0 | 770 | goto out_free_sysfs; |
b4eb6ae9 | 771 | scsi_scan_host(host); |
1c57e86d | 772 | return 0; |
cdd3cb15 | 773 | out_free_sysfs: |
b4eb6ae9 CH |
774 | del_timer_sync(&acb->eternal_timer); |
775 | flush_work(&acb->arcmsr_do_message_isr_bh); | |
ae52e7f0 NC |
776 | arcmsr_stop_adapter_bgrb(acb); |
777 | arcmsr_flush_adapter_cache(acb); | |
b4eb6ae9 CH |
778 | arcmsr_free_irq(pdev, acb); |
779 | scsi_host_remove: | |
780 | scsi_remove_host(host); | |
781 | free_ccb_pool: | |
1c57e86d | 782 | arcmsr_free_ccb_pool(acb); |
ae52e7f0 | 783 | free_hbb_mu: |
626fa32c | 784 | arcmsr_free_mu(acb); |
ae52e7f0 NC |
785 | unmap_pci_region: |
786 | arcmsr_unmap_pciregion(acb); | |
787 | pci_release_regs: | |
1c57e86d | 788 | pci_release_regions(pdev); |
ae52e7f0 | 789 | scsi_host_release: |
1c57e86d | 790 | scsi_host_put(host); |
ae52e7f0 | 791 | pci_disable_dev: |
1c57e86d | 792 | pci_disable_device(pdev); |
ae52e7f0 | 793 | return -ENODEV; |
1a4f550a NC |
794 | } |
795 | ||
1d1166ea CH |
796 | static void arcmsr_free_irq(struct pci_dev *pdev, |
797 | struct AdapterControlBlock *acb) | |
798 | { | |
799 | int i; | |
800 | ||
801 | if (acb->acb_flags & ACB_F_MSI_ENABLED) { | |
802 | free_irq(pdev->irq, acb); | |
803 | pci_disable_msi(pdev); | |
804 | } else if (acb->acb_flags & ACB_F_MSIX_ENABLED) { | |
805 | for (i = 0; i < acb->msix_vector_count; i++) | |
806 | free_irq(acb->entries[i].vector, acb); | |
807 | pci_disable_msix(pdev); | |
808 | } else | |
809 | free_irq(pdev->irq, acb); | |
810 | } | |
811 | ||
61cda87f CH |
812 | static int arcmsr_suspend(struct pci_dev *pdev, pm_message_t state) |
813 | { | |
814 | uint32_t intmask_org; | |
815 | struct Scsi_Host *host = pci_get_drvdata(pdev); | |
816 | struct AdapterControlBlock *acb = | |
817 | (struct AdapterControlBlock *)host->hostdata; | |
818 | ||
819 | intmask_org = arcmsr_disable_outbound_ints(acb); | |
820 | arcmsr_free_irq(pdev, acb); | |
821 | del_timer_sync(&acb->eternal_timer); | |
822 | flush_work(&acb->arcmsr_do_message_isr_bh); | |
823 | arcmsr_stop_adapter_bgrb(acb); | |
824 | arcmsr_flush_adapter_cache(acb); | |
825 | pci_set_drvdata(pdev, host); | |
826 | pci_save_state(pdev); | |
827 | pci_disable_device(pdev); | |
828 | pci_set_power_state(pdev, pci_choose_state(pdev, state)); | |
829 | return 0; | |
830 | } | |
831 | ||
832 | static int arcmsr_resume(struct pci_dev *pdev) | |
833 | { | |
834 | int error; | |
835 | struct Scsi_Host *host = pci_get_drvdata(pdev); | |
836 | struct AdapterControlBlock *acb = | |
837 | (struct AdapterControlBlock *)host->hostdata; | |
838 | ||
839 | pci_set_power_state(pdev, PCI_D0); | |
840 | pci_enable_wake(pdev, PCI_D0, 0); | |
841 | pci_restore_state(pdev); | |
842 | if (pci_enable_device(pdev)) { | |
843 | pr_warn("%s: pci_enable_device error\n", __func__); | |
844 | return -ENODEV; | |
845 | } | |
846 | error = pci_set_dma_mask(pdev, DMA_BIT_MASK(64)); | |
847 | if (error) { | |
848 | error = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); | |
849 | if (error) { | |
850 | pr_warn("scsi%d: No suitable DMA mask available\n", | |
851 | host->host_no); | |
852 | goto controller_unregister; | |
853 | } | |
854 | } | |
855 | pci_set_master(pdev); | |
856 | if (arcmsr_request_irq(pdev, acb) == FAILED) | |
857 | goto controller_stop; | |
858 | arcmsr_iop_init(acb); | |
859 | INIT_WORK(&acb->arcmsr_do_message_isr_bh, arcmsr_message_isr_bh_fn); | |
860 | atomic_set(&acb->rq_map_token, 16); | |
861 | atomic_set(&acb->ante_token_value, 16); | |
862 | acb->fw_flag = FW_NORMAL; | |
863 | init_timer(&acb->eternal_timer); | |
864 | acb->eternal_timer.expires = jiffies + msecs_to_jiffies(6 * HZ); | |
865 | acb->eternal_timer.data = (unsigned long) acb; | |
866 | acb->eternal_timer.function = &arcmsr_request_device_map; | |
867 | add_timer(&acb->eternal_timer); | |
868 | return 0; | |
869 | controller_stop: | |
870 | arcmsr_stop_adapter_bgrb(acb); | |
871 | arcmsr_flush_adapter_cache(acb); | |
872 | controller_unregister: | |
873 | scsi_remove_host(host); | |
874 | arcmsr_free_ccb_pool(acb); | |
875 | arcmsr_unmap_pciregion(acb); | |
876 | pci_release_regions(pdev); | |
877 | scsi_host_put(host); | |
878 | pci_disable_device(pdev); | |
879 | return -ENODEV; | |
880 | } | |
881 | ||
626fa32c | 882 | static uint8_t arcmsr_hbaA_abort_allcmd(struct AdapterControlBlock *acb) |
1c57e86d | 883 | { |
80da1adb | 884 | struct MessageUnit_A __iomem *reg = acb->pmuA; |
1c57e86d | 885 | writel(ARCMSR_INBOUND_MESG0_ABORT_CMD, ®->inbound_msgaddr0); |
626fa32c | 886 | if (!arcmsr_hbaA_wait_msgint_ready(acb)) { |
1a4f550a | 887 | printk(KERN_NOTICE |
626fa32c | 888 | "arcmsr%d: wait 'abort all outstanding command' timeout\n" |
1a4f550a | 889 | , acb->host->host_no); |
cdd3cb15 | 890 | return false; |
36b83ded | 891 | } |
cdd3cb15 | 892 | return true; |
1a4f550a NC |
893 | } |
894 | ||
626fa32c | 895 | static uint8_t arcmsr_hbaB_abort_allcmd(struct AdapterControlBlock *acb) |
1a4f550a | 896 | { |
80da1adb | 897 | struct MessageUnit_B *reg = acb->pmuB; |
1a4f550a | 898 | |
ae52e7f0 | 899 | writel(ARCMSR_MESSAGE_ABORT_CMD, reg->drv2iop_doorbell); |
626fa32c | 900 | if (!arcmsr_hbaB_wait_msgint_ready(acb)) { |
1c57e86d | 901 | printk(KERN_NOTICE |
626fa32c | 902 | "arcmsr%d: wait 'abort all outstanding command' timeout\n" |
1c57e86d | 903 | , acb->host->host_no); |
cdd3cb15 | 904 | return false; |
36b83ded | 905 | } |
cdd3cb15 NC |
906 | return true; |
907 | } | |
626fa32c | 908 | static uint8_t arcmsr_hbaC_abort_allcmd(struct AdapterControlBlock *pACB) |
cdd3cb15 | 909 | { |
c10b1d54 | 910 | struct MessageUnit_C __iomem *reg = pACB->pmuC; |
cdd3cb15 NC |
911 | writel(ARCMSR_INBOUND_MESG0_ABORT_CMD, ®->inbound_msgaddr0); |
912 | writel(ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE, ®->inbound_doorbell); | |
626fa32c | 913 | if (!arcmsr_hbaC_wait_msgint_ready(pACB)) { |
cdd3cb15 | 914 | printk(KERN_NOTICE |
626fa32c | 915 | "arcmsr%d: wait 'abort all outstanding command' timeout\n" |
cdd3cb15 NC |
916 | , pACB->host->host_no); |
917 | return false; | |
918 | } | |
919 | return true; | |
1c57e86d | 920 | } |
5b37479a CH |
921 | |
922 | static uint8_t arcmsr_hbaD_abort_allcmd(struct AdapterControlBlock *pACB) | |
923 | { | |
924 | struct MessageUnit_D *reg = pACB->pmuD; | |
925 | ||
926 | writel(ARCMSR_INBOUND_MESG0_ABORT_CMD, reg->inbound_msgaddr0); | |
927 | if (!arcmsr_hbaD_wait_msgint_ready(pACB)) { | |
928 | pr_notice("arcmsr%d: wait 'abort all outstanding " | |
929 | "command' timeout\n", pACB->host->host_no); | |
930 | return false; | |
931 | } | |
932 | return true; | |
933 | } | |
934 | ||
36b83ded | 935 | static uint8_t arcmsr_abort_allcmd(struct AdapterControlBlock *acb) |
1a4f550a | 936 | { |
36b83ded | 937 | uint8_t rtnval = 0; |
1a4f550a NC |
938 | switch (acb->adapter_type) { |
939 | case ACB_ADAPTER_TYPE_A: { | |
626fa32c | 940 | rtnval = arcmsr_hbaA_abort_allcmd(acb); |
1a4f550a NC |
941 | } |
942 | break; | |
943 | ||
944 | case ACB_ADAPTER_TYPE_B: { | |
626fa32c | 945 | rtnval = arcmsr_hbaB_abort_allcmd(acb); |
1a4f550a | 946 | } |
cdd3cb15 NC |
947 | break; |
948 | ||
949 | case ACB_ADAPTER_TYPE_C: { | |
626fa32c | 950 | rtnval = arcmsr_hbaC_abort_allcmd(acb); |
cdd3cb15 | 951 | } |
5b37479a CH |
952 | break; |
953 | ||
954 | case ACB_ADAPTER_TYPE_D: | |
955 | rtnval = arcmsr_hbaD_abort_allcmd(acb); | |
956 | break; | |
1a4f550a | 957 | } |
36b83ded | 958 | return rtnval; |
1a4f550a NC |
959 | } |
960 | ||
1c57e86d EC |
961 | static void arcmsr_pci_unmap_dma(struct CommandControlBlock *ccb) |
962 | { | |
1c57e86d EC |
963 | struct scsi_cmnd *pcmd = ccb->pcmd; |
964 | ||
deff2627 | 965 | scsi_dma_unmap(pcmd); |
cdd3cb15 | 966 | } |
1c57e86d | 967 | |
ae52e7f0 | 968 | static void arcmsr_ccb_complete(struct CommandControlBlock *ccb) |
1c57e86d EC |
969 | { |
970 | struct AdapterControlBlock *acb = ccb->acb; | |
971 | struct scsi_cmnd *pcmd = ccb->pcmd; | |
ae52e7f0 | 972 | unsigned long flags; |
ae52e7f0 | 973 | atomic_dec(&acb->ccboutstandingcount); |
1c57e86d | 974 | arcmsr_pci_unmap_dma(ccb); |
1c57e86d | 975 | ccb->startdone = ARCMSR_CCB_DONE; |
ae52e7f0 | 976 | spin_lock_irqsave(&acb->ccblist_lock, flags); |
1c57e86d | 977 | list_add_tail(&ccb->list, &acb->ccb_free_list); |
ae52e7f0 | 978 | spin_unlock_irqrestore(&acb->ccblist_lock, flags); |
1c57e86d EC |
979 | pcmd->scsi_done(pcmd); |
980 | } | |
981 | ||
1a4f550a NC |
982 | static void arcmsr_report_sense_info(struct CommandControlBlock *ccb) |
983 | { | |
984 | ||
985 | struct scsi_cmnd *pcmd = ccb->pcmd; | |
986 | struct SENSE_DATA *sensebuffer = (struct SENSE_DATA *)pcmd->sense_buffer; | |
1a4f550a NC |
987 | pcmd->result = DID_OK << 16; |
988 | if (sensebuffer) { | |
989 | int sense_data_length = | |
b80ca4f7 FT |
990 | sizeof(struct SENSE_DATA) < SCSI_SENSE_BUFFERSIZE |
991 | ? sizeof(struct SENSE_DATA) : SCSI_SENSE_BUFFERSIZE; | |
992 | memset(sensebuffer, 0, SCSI_SENSE_BUFFERSIZE); | |
1a4f550a NC |
993 | memcpy(sensebuffer, ccb->arcmsr_cdb.SenseData, sense_data_length); |
994 | sensebuffer->ErrorCode = SCSI_SENSE_CURRENT_ERRORS; | |
995 | sensebuffer->Valid = 1; | |
996 | } | |
997 | } | |
998 | ||
999 | static u32 arcmsr_disable_outbound_ints(struct AdapterControlBlock *acb) | |
1000 | { | |
1001 | u32 orig_mask = 0; | |
cdd3cb15 | 1002 | switch (acb->adapter_type) { |
1a4f550a | 1003 | case ACB_ADAPTER_TYPE_A : { |
80da1adb | 1004 | struct MessageUnit_A __iomem *reg = acb->pmuA; |
36b83ded | 1005 | orig_mask = readl(®->outbound_intmask); |
1a4f550a NC |
1006 | writel(orig_mask|ARCMSR_MU_OUTBOUND_ALL_INTMASKENABLE, \ |
1007 | ®->outbound_intmask); | |
1008 | } | |
1009 | break; | |
1a4f550a | 1010 | case ACB_ADAPTER_TYPE_B : { |
80da1adb | 1011 | struct MessageUnit_B *reg = acb->pmuB; |
ae52e7f0 NC |
1012 | orig_mask = readl(reg->iop2drv_doorbell_mask); |
1013 | writel(0, reg->iop2drv_doorbell_mask); | |
1a4f550a NC |
1014 | } |
1015 | break; | |
cdd3cb15 | 1016 | case ACB_ADAPTER_TYPE_C:{ |
c10b1d54 | 1017 | struct MessageUnit_C __iomem *reg = acb->pmuC; |
cdd3cb15 NC |
1018 | /* disable all outbound interrupt */ |
1019 | orig_mask = readl(®->host_int_mask); /* disable outbound message0 int */ | |
1020 | writel(orig_mask|ARCMSR_HBCMU_ALL_INTMASKENABLE, ®->host_int_mask); | |
1021 | } | |
1022 | break; | |
5b37479a CH |
1023 | case ACB_ADAPTER_TYPE_D: { |
1024 | struct MessageUnit_D *reg = acb->pmuD; | |
1025 | /* disable all outbound interrupt */ | |
1026 | writel(ARCMSR_ARC1214_ALL_INT_DISABLE, reg->pcief0_int_enable); | |
1027 | } | |
1028 | break; | |
1a4f550a NC |
1029 | } |
1030 | return orig_mask; | |
1031 | } | |
1032 | ||
cdd3cb15 NC |
1033 | static void arcmsr_report_ccb_state(struct AdapterControlBlock *acb, |
1034 | struct CommandControlBlock *ccb, bool error) | |
1a4f550a | 1035 | { |
1a4f550a NC |
1036 | uint8_t id, lun; |
1037 | id = ccb->pcmd->device->id; | |
1038 | lun = ccb->pcmd->device->lun; | |
cdd3cb15 | 1039 | if (!error) { |
1a4f550a NC |
1040 | if (acb->devstate[id][lun] == ARECA_RAID_GONE) |
1041 | acb->devstate[id][lun] = ARECA_RAID_GOOD; | |
7968f194 JL |
1042 | ccb->pcmd->result = DID_OK << 16; |
1043 | arcmsr_ccb_complete(ccb); | |
cdd3cb15 | 1044 | }else{ |
1a4f550a NC |
1045 | switch (ccb->arcmsr_cdb.DeviceStatus) { |
1046 | case ARCMSR_DEV_SELECT_TIMEOUT: { | |
1047 | acb->devstate[id][lun] = ARECA_RAID_GONE; | |
1048 | ccb->pcmd->result = DID_NO_CONNECT << 16; | |
ae52e7f0 | 1049 | arcmsr_ccb_complete(ccb); |
1a4f550a NC |
1050 | } |
1051 | break; | |
1052 | ||
1053 | case ARCMSR_DEV_ABORTED: | |
1054 | ||
1055 | case ARCMSR_DEV_INIT_FAIL: { | |
1056 | acb->devstate[id][lun] = ARECA_RAID_GONE; | |
1057 | ccb->pcmd->result = DID_BAD_TARGET << 16; | |
ae52e7f0 | 1058 | arcmsr_ccb_complete(ccb); |
1a4f550a NC |
1059 | } |
1060 | break; | |
1061 | ||
1062 | case ARCMSR_DEV_CHECK_CONDITION: { | |
1063 | acb->devstate[id][lun] = ARECA_RAID_GOOD; | |
1064 | arcmsr_report_sense_info(ccb); | |
ae52e7f0 | 1065 | arcmsr_ccb_complete(ccb); |
1a4f550a NC |
1066 | } |
1067 | break; | |
1068 | ||
1069 | default: | |
cdd3cb15 NC |
1070 | printk(KERN_NOTICE |
1071 | "arcmsr%d: scsi id = %d lun = %d isr get command error done, \ | |
1072 | but got unknown DeviceStatus = 0x%x \n" | |
1073 | , acb->host->host_no | |
1074 | , id | |
1075 | , lun | |
1076 | , ccb->arcmsr_cdb.DeviceStatus); | |
1077 | acb->devstate[id][lun] = ARECA_RAID_GONE; | |
1078 | ccb->pcmd->result = DID_NO_CONNECT << 16; | |
1079 | arcmsr_ccb_complete(ccb); | |
1a4f550a NC |
1080 | break; |
1081 | } | |
1082 | } | |
1083 | } | |
1084 | ||
cdd3cb15 | 1085 | static void arcmsr_drain_donequeue(struct AdapterControlBlock *acb, struct CommandControlBlock *pCCB, bool error) |
1a4f550a | 1086 | { |
ae52e7f0 | 1087 | int id, lun; |
cdd3cb15 NC |
1088 | if ((pCCB->acb != acb) || (pCCB->startdone != ARCMSR_CCB_START)) { |
1089 | if (pCCB->startdone == ARCMSR_CCB_ABORTED) { | |
1090 | struct scsi_cmnd *abortcmd = pCCB->pcmd; | |
1a4f550a | 1091 | if (abortcmd) { |
ae52e7f0 | 1092 | id = abortcmd->device->id; |
cdd3cb15 | 1093 | lun = abortcmd->device->lun; |
1a4f550a | 1094 | abortcmd->result |= DID_ABORT << 16; |
cdd3cb15 NC |
1095 | arcmsr_ccb_complete(pCCB); |
1096 | printk(KERN_NOTICE "arcmsr%d: pCCB ='0x%p' isr got aborted command \n", | |
1097 | acb->host->host_no, pCCB); | |
1a4f550a | 1098 | } |
cdd3cb15 | 1099 | return; |
1a4f550a NC |
1100 | } |
1101 | printk(KERN_NOTICE "arcmsr%d: isr get an illegal ccb command \ | |
1102 | done acb = '0x%p'" | |
1103 | "ccb = '0x%p' ccbacb = '0x%p' startdone = 0x%x" | |
1104 | " ccboutstandingcount = %d \n" | |
1105 | , acb->host->host_no | |
1106 | , acb | |
cdd3cb15 NC |
1107 | , pCCB |
1108 | , pCCB->acb | |
1109 | , pCCB->startdone | |
1a4f550a | 1110 | , atomic_read(&acb->ccboutstandingcount)); |
cdd3cb15 | 1111 | return; |
97b99127 | 1112 | } |
cdd3cb15 | 1113 | arcmsr_report_ccb_state(acb, pCCB, error); |
1a4f550a NC |
1114 | } |
1115 | ||
1116 | static void arcmsr_done4abort_postqueue(struct AdapterControlBlock *acb) | |
1117 | { | |
1118 | int i = 0; | |
3b8155d5 | 1119 | uint32_t flag_ccb, ccb_cdb_phy; |
cdd3cb15 NC |
1120 | struct ARCMSR_CDB *pARCMSR_CDB; |
1121 | bool error; | |
1122 | struct CommandControlBlock *pCCB; | |
1a4f550a NC |
1123 | switch (acb->adapter_type) { |
1124 | ||
1125 | case ACB_ADAPTER_TYPE_A: { | |
80da1adb | 1126 | struct MessageUnit_A __iomem *reg = acb->pmuA; |
1a4f550a | 1127 | uint32_t outbound_intstatus; |
80da1adb | 1128 | outbound_intstatus = readl(®->outbound_intstatus) & |
1a4f550a NC |
1129 | acb->outbound_int_enable; |
1130 | /*clear and abort all outbound posted Q*/ | |
1131 | writel(outbound_intstatus, ®->outbound_intstatus);/*clear interrupt*/ | |
cdd3cb15 | 1132 | while(((flag_ccb = readl(®->outbound_queueport)) != 0xFFFFFFFF) |
1a4f550a | 1133 | && (i++ < ARCMSR_MAX_OUTSTANDING_CMD)) { |
cdd3cb15 NC |
1134 | pARCMSR_CDB = (struct ARCMSR_CDB *)(acb->vir2phy_offset + (flag_ccb << 5));/*frame must be 32 bytes aligned*/ |
1135 | pCCB = container_of(pARCMSR_CDB, struct CommandControlBlock, arcmsr_cdb); | |
1136 | error = (flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR_MODE0) ? true : false; | |
1137 | arcmsr_drain_donequeue(acb, pCCB, error); | |
1a4f550a NC |
1138 | } |
1139 | } | |
1140 | break; | |
1141 | ||
1142 | case ACB_ADAPTER_TYPE_B: { | |
80da1adb | 1143 | struct MessageUnit_B *reg = acb->pmuB; |
1a4f550a | 1144 | /*clear all outbound posted Q*/ |
97b99127 | 1145 | writel(ARCMSR_DOORBELL_INT_CLEAR_PATTERN, reg->iop2drv_doorbell); /* clear doorbell interrupt */ |
1a4f550a | 1146 | for (i = 0; i < ARCMSR_MAX_HBB_POSTQUEUE; i++) { |
c10b1d54 CH |
1147 | flag_ccb = reg->done_qbuffer[i]; |
1148 | if (flag_ccb != 0) { | |
1149 | reg->done_qbuffer[i] = 0; | |
cdd3cb15 NC |
1150 | pARCMSR_CDB = (struct ARCMSR_CDB *)(acb->vir2phy_offset+(flag_ccb << 5));/*frame must be 32 bytes aligned*/ |
1151 | pCCB = container_of(pARCMSR_CDB, struct CommandControlBlock, arcmsr_cdb); | |
1152 | error = (flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR_MODE0) ? true : false; | |
1153 | arcmsr_drain_donequeue(acb, pCCB, error); | |
1a4f550a | 1154 | } |
cdd3cb15 | 1155 | reg->post_qbuffer[i] = 0; |
1a4f550a NC |
1156 | } |
1157 | reg->doneq_index = 0; | |
1158 | reg->postq_index = 0; | |
1159 | } | |
1160 | break; | |
cdd3cb15 | 1161 | case ACB_ADAPTER_TYPE_C: { |
c10b1d54 | 1162 | struct MessageUnit_C __iomem *reg = acb->pmuC; |
cdd3cb15 NC |
1163 | while ((readl(®->host_int_status) & ARCMSR_HBCMU_OUTBOUND_POSTQUEUE_ISR) && (i++ < ARCMSR_MAX_OUTSTANDING_CMD)) { |
1164 | /*need to do*/ | |
1165 | flag_ccb = readl(®->outbound_queueport_low); | |
1166 | ccb_cdb_phy = (flag_ccb & 0xFFFFFFF0); | |
1167 | pARCMSR_CDB = (struct ARCMSR_CDB *)(acb->vir2phy_offset+ccb_cdb_phy);/*frame must be 32 bytes aligned*/ | |
1168 | pCCB = container_of(pARCMSR_CDB, struct CommandControlBlock, arcmsr_cdb); | |
1169 | error = (flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR_MODE1) ? true : false; | |
1170 | arcmsr_drain_donequeue(acb, pCCB, error); | |
1171 | } | |
5b37479a CH |
1172 | } |
1173 | break; | |
1174 | case ACB_ADAPTER_TYPE_D: { | |
1175 | struct MessageUnit_D *pmu = acb->pmuD; | |
3b8155d5 CH |
1176 | uint32_t outbound_write_pointer; |
1177 | uint32_t doneq_index, index_stripped, addressLow, residual, toggle; | |
1178 | unsigned long flags; | |
5b37479a | 1179 | |
5b37479a CH |
1180 | residual = atomic_read(&acb->ccboutstandingcount); |
1181 | for (i = 0; i < residual; i++) { | |
3b8155d5 CH |
1182 | spin_lock_irqsave(&acb->doneq_lock, flags); |
1183 | outbound_write_pointer = | |
1184 | pmu->done_qbuffer[0].addressLow + 1; | |
1185 | doneq_index = pmu->doneq_index; | |
1186 | if ((doneq_index & 0xFFF) != | |
5b37479a | 1187 | (outbound_write_pointer & 0xFFF)) { |
3b8155d5 CH |
1188 | toggle = doneq_index & 0x4000; |
1189 | index_stripped = (doneq_index & 0xFFF) + 1; | |
1190 | index_stripped %= ARCMSR_MAX_ARC1214_DONEQUEUE; | |
1191 | pmu->doneq_index = index_stripped ? (index_stripped | toggle) : | |
1192 | ((toggle ^ 0x4000) + 1); | |
5b37479a | 1193 | doneq_index = pmu->doneq_index; |
3b8155d5 | 1194 | spin_unlock_irqrestore(&acb->doneq_lock, flags); |
5b37479a CH |
1195 | addressLow = pmu->done_qbuffer[doneq_index & |
1196 | 0xFFF].addressLow; | |
1197 | ccb_cdb_phy = (addressLow & 0xFFFFFFF0); | |
1198 | pARCMSR_CDB = (struct ARCMSR_CDB *) | |
1199 | (acb->vir2phy_offset + ccb_cdb_phy); | |
1200 | pCCB = container_of(pARCMSR_CDB, | |
1201 | struct CommandControlBlock, arcmsr_cdb); | |
1202 | error = (addressLow & | |
1203 | ARCMSR_CCBREPLY_FLAG_ERROR_MODE1) ? | |
1204 | true : false; | |
1205 | arcmsr_drain_donequeue(acb, pCCB, error); | |
1206 | writel(doneq_index, | |
1207 | pmu->outboundlist_read_pointer); | |
3b8155d5 CH |
1208 | } else { |
1209 | spin_unlock_irqrestore(&acb->doneq_lock, flags); | |
1210 | mdelay(10); | |
5b37479a | 1211 | } |
5b37479a CH |
1212 | } |
1213 | pmu->postq_index = 0; | |
1214 | pmu->doneq_index = 0x40FF; | |
1215 | } | |
1216 | break; | |
1a4f550a NC |
1217 | } |
1218 | } | |
1d1166ea | 1219 | |
1c57e86d EC |
1220 | static void arcmsr_remove(struct pci_dev *pdev) |
1221 | { | |
1222 | struct Scsi_Host *host = pci_get_drvdata(pdev); | |
1223 | struct AdapterControlBlock *acb = | |
1224 | (struct AdapterControlBlock *) host->hostdata; | |
1c57e86d | 1225 | int poll_count = 0; |
1c57e86d EC |
1226 | arcmsr_free_sysfs_attr(acb); |
1227 | scsi_remove_host(host); | |
43829731 | 1228 | flush_work(&acb->arcmsr_do_message_isr_bh); |
36b83ded NC |
1229 | del_timer_sync(&acb->eternal_timer); |
1230 | arcmsr_disable_outbound_ints(acb); | |
1c57e86d | 1231 | arcmsr_stop_adapter_bgrb(acb); |
cdd3cb15 | 1232 | arcmsr_flush_adapter_cache(acb); |
1c57e86d EC |
1233 | acb->acb_flags |= ACB_F_SCSISTOPADAPTER; |
1234 | acb->acb_flags &= ~ACB_F_IOP_INITED; | |
1235 | ||
cdd3cb15 | 1236 | for (poll_count = 0; poll_count < ARCMSR_MAX_OUTSTANDING_CMD; poll_count++){ |
1c57e86d EC |
1237 | if (!atomic_read(&acb->ccboutstandingcount)) |
1238 | break; | |
1a4f550a | 1239 | arcmsr_interrupt(acb);/* FIXME: need spinlock */ |
1c57e86d EC |
1240 | msleep(25); |
1241 | } | |
1242 | ||
1243 | if (atomic_read(&acb->ccboutstandingcount)) { | |
1244 | int i; | |
1245 | ||
1246 | arcmsr_abort_allcmd(acb); | |
1a4f550a | 1247 | arcmsr_done4abort_postqueue(acb); |
1c57e86d EC |
1248 | for (i = 0; i < ARCMSR_MAX_FREECCB_NUM; i++) { |
1249 | struct CommandControlBlock *ccb = acb->pccb_pool[i]; | |
1250 | if (ccb->startdone == ARCMSR_CCB_START) { | |
1251 | ccb->startdone = ARCMSR_CCB_ABORTED; | |
1252 | ccb->pcmd->result = DID_ABORT << 16; | |
ae52e7f0 | 1253 | arcmsr_ccb_complete(ccb); |
1c57e86d EC |
1254 | } |
1255 | } | |
1256 | } | |
1d1166ea | 1257 | arcmsr_free_irq(pdev, acb); |
1c57e86d | 1258 | arcmsr_free_ccb_pool(acb); |
626fa32c | 1259 | arcmsr_free_mu(acb); |
cdd3cb15 | 1260 | arcmsr_unmap_pciregion(acb); |
1c57e86d | 1261 | pci_release_regions(pdev); |
cdd3cb15 | 1262 | scsi_host_put(host); |
1c57e86d | 1263 | pci_disable_device(pdev); |
1c57e86d EC |
1264 | } |
1265 | ||
1266 | static void arcmsr_shutdown(struct pci_dev *pdev) | |
1267 | { | |
1268 | struct Scsi_Host *host = pci_get_drvdata(pdev); | |
1269 | struct AdapterControlBlock *acb = | |
1270 | (struct AdapterControlBlock *)host->hostdata; | |
36b83ded NC |
1271 | del_timer_sync(&acb->eternal_timer); |
1272 | arcmsr_disable_outbound_ints(acb); | |
1d1166ea | 1273 | arcmsr_free_irq(pdev, acb); |
43829731 | 1274 | flush_work(&acb->arcmsr_do_message_isr_bh); |
1c57e86d EC |
1275 | arcmsr_stop_adapter_bgrb(acb); |
1276 | arcmsr_flush_adapter_cache(acb); | |
1277 | } | |
1278 | ||
1279 | static int arcmsr_module_init(void) | |
1280 | { | |
1281 | int error = 0; | |
1c57e86d EC |
1282 | error = pci_register_driver(&arcmsr_pci_driver); |
1283 | return error; | |
1284 | } | |
1285 | ||
1286 | static void arcmsr_module_exit(void) | |
1287 | { | |
1288 | pci_unregister_driver(&arcmsr_pci_driver); | |
1289 | } | |
1290 | module_init(arcmsr_module_init); | |
1291 | module_exit(arcmsr_module_exit); | |
1292 | ||
36b83ded | 1293 | static void arcmsr_enable_outbound_ints(struct AdapterControlBlock *acb, |
1a4f550a | 1294 | u32 intmask_org) |
1c57e86d | 1295 | { |
1c57e86d | 1296 | u32 mask; |
1a4f550a | 1297 | switch (acb->adapter_type) { |
1c57e86d | 1298 | |
cdd3cb15 | 1299 | case ACB_ADAPTER_TYPE_A: { |
80da1adb | 1300 | struct MessageUnit_A __iomem *reg = acb->pmuA; |
1a4f550a | 1301 | mask = intmask_org & ~(ARCMSR_MU_OUTBOUND_POSTQUEUE_INTMASKENABLE | |
36b83ded NC |
1302 | ARCMSR_MU_OUTBOUND_DOORBELL_INTMASKENABLE| |
1303 | ARCMSR_MU_OUTBOUND_MESSAGE0_INTMASKENABLE); | |
1a4f550a NC |
1304 | writel(mask, ®->outbound_intmask); |
1305 | acb->outbound_int_enable = ~(intmask_org & mask) & 0x000000ff; | |
1306 | } | |
1307 | break; | |
1c57e86d | 1308 | |
cdd3cb15 | 1309 | case ACB_ADAPTER_TYPE_B: { |
80da1adb | 1310 | struct MessageUnit_B *reg = acb->pmuB; |
36b83ded NC |
1311 | mask = intmask_org | (ARCMSR_IOP2DRV_DATA_WRITE_OK | |
1312 | ARCMSR_IOP2DRV_DATA_READ_OK | | |
1313 | ARCMSR_IOP2DRV_CDB_DONE | | |
1314 | ARCMSR_IOP2DRV_MESSAGE_CMD_DONE); | |
ae52e7f0 | 1315 | writel(mask, reg->iop2drv_doorbell_mask); |
1a4f550a NC |
1316 | acb->outbound_int_enable = (intmask_org | mask) & 0x0000000f; |
1317 | } | |
cdd3cb15 NC |
1318 | break; |
1319 | case ACB_ADAPTER_TYPE_C: { | |
c10b1d54 | 1320 | struct MessageUnit_C __iomem *reg = acb->pmuC; |
cdd3cb15 NC |
1321 | mask = ~(ARCMSR_HBCMU_UTILITY_A_ISR_MASK | ARCMSR_HBCMU_OUTBOUND_DOORBELL_ISR_MASK|ARCMSR_HBCMU_OUTBOUND_POSTQUEUE_ISR_MASK); |
1322 | writel(intmask_org & mask, ®->host_int_mask); | |
1323 | acb->outbound_int_enable = ~(intmask_org & mask) & 0x0000000f; | |
1324 | } | |
5b37479a CH |
1325 | break; |
1326 | case ACB_ADAPTER_TYPE_D: { | |
1327 | struct MessageUnit_D *reg = acb->pmuD; | |
1328 | ||
1329 | mask = ARCMSR_ARC1214_ALL_INT_ENABLE; | |
1330 | writel(intmask_org | mask, reg->pcief0_int_enable); | |
1331 | break; | |
1332 | } | |
1c57e86d EC |
1333 | } |
1334 | } | |
1335 | ||
76d78300 | 1336 | static int arcmsr_build_ccb(struct AdapterControlBlock *acb, |
1a4f550a | 1337 | struct CommandControlBlock *ccb, struct scsi_cmnd *pcmd) |
1c57e86d | 1338 | { |
1a4f550a NC |
1339 | struct ARCMSR_CDB *arcmsr_cdb = (struct ARCMSR_CDB *)&ccb->arcmsr_cdb; |
1340 | int8_t *psge = (int8_t *)&arcmsr_cdb->u; | |
80da1adb | 1341 | __le32 address_lo, address_hi; |
1a4f550a | 1342 | int arccdbsize = 0x30; |
ae52e7f0 | 1343 | __le32 length = 0; |
cdd3cb15 | 1344 | int i; |
ae52e7f0 | 1345 | struct scatterlist *sg; |
1a4f550a | 1346 | int nseg; |
1c57e86d | 1347 | ccb->pcmd = pcmd; |
1a4f550a | 1348 | memset(arcmsr_cdb, 0, sizeof(struct ARCMSR_CDB)); |
1c57e86d EC |
1349 | arcmsr_cdb->TargetID = pcmd->device->id; |
1350 | arcmsr_cdb->LUN = pcmd->device->lun; | |
1351 | arcmsr_cdb->Function = 1; | |
626fa32c | 1352 | arcmsr_cdb->msgContext = 0; |
1c57e86d | 1353 | memcpy(arcmsr_cdb->Cdb, pcmd->cmnd, pcmd->cmd_len); |
deff2627 FT |
1354 | |
1355 | nseg = scsi_dma_map(pcmd); | |
cdd3cb15 | 1356 | if (unlikely(nseg > acb->host->sg_tablesize || nseg < 0)) |
76d78300 | 1357 | return FAILED; |
cdd3cb15 NC |
1358 | scsi_for_each_sg(pcmd, sg, nseg, i) { |
1359 | /* Get the physical address of the current data pointer */ | |
1360 | length = cpu_to_le32(sg_dma_len(sg)); | |
1361 | address_lo = cpu_to_le32(dma_addr_lo32(sg_dma_address(sg))); | |
1362 | address_hi = cpu_to_le32(dma_addr_hi32(sg_dma_address(sg))); | |
1363 | if (address_hi == 0) { | |
1364 | struct SG32ENTRY *pdma_sg = (struct SG32ENTRY *)psge; | |
1365 | ||
1366 | pdma_sg->address = address_lo; | |
1367 | pdma_sg->length = length; | |
1368 | psge += sizeof (struct SG32ENTRY); | |
1369 | arccdbsize += sizeof (struct SG32ENTRY); | |
1370 | } else { | |
1371 | struct SG64ENTRY *pdma_sg = (struct SG64ENTRY *)psge; | |
1c57e86d | 1372 | |
cdd3cb15 NC |
1373 | pdma_sg->addresshigh = address_hi; |
1374 | pdma_sg->address = address_lo; | |
1375 | pdma_sg->length = length|cpu_to_le32(IS_SG64_ADDR); | |
1376 | psge += sizeof (struct SG64ENTRY); | |
1377 | arccdbsize += sizeof (struct SG64ENTRY); | |
1c57e86d | 1378 | } |
cdd3cb15 NC |
1379 | } |
1380 | arcmsr_cdb->sgcount = (uint8_t)nseg; | |
1381 | arcmsr_cdb->DataLength = scsi_bufflen(pcmd); | |
ae52e7f0 | 1382 | arcmsr_cdb->msgPages = arccdbsize/0x100 + (arccdbsize % 0x100 ? 1 : 0); |
cdd3cb15 NC |
1383 | if ( arccdbsize > 256) |
1384 | arcmsr_cdb->Flags |= ARCMSR_CDB_FLAG_SGL_BSIZE; | |
c32e061f | 1385 | if (pcmd->sc_data_direction == DMA_TO_DEVICE) |
1c57e86d | 1386 | arcmsr_cdb->Flags |= ARCMSR_CDB_FLAG_WRITE; |
cdd3cb15 | 1387 | ccb->arc_cdb_size = arccdbsize; |
76d78300 | 1388 | return SUCCESS; |
1c57e86d EC |
1389 | } |
1390 | ||
1391 | static void arcmsr_post_ccb(struct AdapterControlBlock *acb, struct CommandControlBlock *ccb) | |
1392 | { | |
626fa32c | 1393 | uint32_t cdb_phyaddr = ccb->cdb_phyaddr; |
1c57e86d | 1394 | struct ARCMSR_CDB *arcmsr_cdb = (struct ARCMSR_CDB *)&ccb->arcmsr_cdb; |
1c57e86d EC |
1395 | atomic_inc(&acb->ccboutstandingcount); |
1396 | ccb->startdone = ARCMSR_CCB_START; | |
1a4f550a NC |
1397 | switch (acb->adapter_type) { |
1398 | case ACB_ADAPTER_TYPE_A: { | |
80da1adb | 1399 | struct MessageUnit_A __iomem *reg = acb->pmuA; |
1a4f550a NC |
1400 | |
1401 | if (arcmsr_cdb->Flags & ARCMSR_CDB_FLAG_SGL_BSIZE) | |
626fa32c | 1402 | writel(cdb_phyaddr | ARCMSR_CCBPOST_FLAG_SGL_BSIZE, |
1c57e86d | 1403 | ®->inbound_queueport); |
626fa32c CH |
1404 | else |
1405 | writel(cdb_phyaddr, ®->inbound_queueport); | |
1a4f550a | 1406 | break; |
626fa32c | 1407 | } |
1c57e86d | 1408 | |
1a4f550a | 1409 | case ACB_ADAPTER_TYPE_B: { |
80da1adb | 1410 | struct MessageUnit_B *reg = acb->pmuB; |
1a4f550a | 1411 | uint32_t ending_index, index = reg->postq_index; |
1c57e86d | 1412 | |
1a4f550a | 1413 | ending_index = ((index + 1) % ARCMSR_MAX_HBB_POSTQUEUE); |
c10b1d54 | 1414 | reg->post_qbuffer[ending_index] = 0; |
1a4f550a | 1415 | if (arcmsr_cdb->Flags & ARCMSR_CDB_FLAG_SGL_BSIZE) { |
c10b1d54 CH |
1416 | reg->post_qbuffer[index] = |
1417 | cdb_phyaddr | ARCMSR_CCBPOST_FLAG_SGL_BSIZE; | |
cdd3cb15 | 1418 | } else { |
c10b1d54 | 1419 | reg->post_qbuffer[index] = cdb_phyaddr; |
1a4f550a NC |
1420 | } |
1421 | index++; | |
1422 | index %= ARCMSR_MAX_HBB_POSTQUEUE;/*if last index number set it to 0 */ | |
1423 | reg->postq_index = index; | |
ae52e7f0 | 1424 | writel(ARCMSR_DRV2IOP_CDB_POSTED, reg->drv2iop_doorbell); |
1c57e86d | 1425 | } |
1a4f550a | 1426 | break; |
cdd3cb15 | 1427 | case ACB_ADAPTER_TYPE_C: { |
c10b1d54 | 1428 | struct MessageUnit_C __iomem *phbcmu = acb->pmuC; |
cdd3cb15 NC |
1429 | uint32_t ccb_post_stamp, arc_cdb_size; |
1430 | ||
1431 | arc_cdb_size = (ccb->arc_cdb_size > 0x300) ? 0x300 : ccb->arc_cdb_size; | |
626fa32c | 1432 | ccb_post_stamp = (cdb_phyaddr | ((arc_cdb_size - 1) >> 6) | 1); |
cdd3cb15 NC |
1433 | if (acb->cdb_phyaddr_hi32) { |
1434 | writel(acb->cdb_phyaddr_hi32, &phbcmu->inbound_queueport_high); | |
1435 | writel(ccb_post_stamp, &phbcmu->inbound_queueport_low); | |
1436 | } else { | |
1437 | writel(ccb_post_stamp, &phbcmu->inbound_queueport_low); | |
1438 | } | |
1439 | } | |
5b37479a CH |
1440 | break; |
1441 | case ACB_ADAPTER_TYPE_D: { | |
1442 | struct MessageUnit_D *pmu = acb->pmuD; | |
1443 | u16 index_stripped; | |
3b8155d5 | 1444 | u16 postq_index, toggle; |
5b37479a CH |
1445 | unsigned long flags; |
1446 | struct InBound_SRB *pinbound_srb; | |
1447 | ||
1448 | spin_lock_irqsave(&acb->postq_lock, flags); | |
1449 | postq_index = pmu->postq_index; | |
1450 | pinbound_srb = (struct InBound_SRB *)&(pmu->post_qbuffer[postq_index & 0xFF]); | |
1451 | pinbound_srb->addressHigh = dma_addr_hi32(cdb_phyaddr); | |
1452 | pinbound_srb->addressLow = dma_addr_lo32(cdb_phyaddr); | |
1453 | pinbound_srb->length = ccb->arc_cdb_size >> 2; | |
1454 | arcmsr_cdb->msgContext = dma_addr_lo32(cdb_phyaddr); | |
3b8155d5 CH |
1455 | toggle = postq_index & 0x4000; |
1456 | index_stripped = postq_index + 1; | |
1457 | index_stripped &= (ARCMSR_MAX_ARC1214_POSTQUEUE - 1); | |
1458 | pmu->postq_index = index_stripped ? (index_stripped | toggle) : | |
1459 | (toggle ^ 0x4000); | |
5b37479a CH |
1460 | writel(postq_index, pmu->inboundlist_write_pointer); |
1461 | spin_unlock_irqrestore(&acb->postq_lock, flags); | |
1462 | break; | |
1463 | } | |
1c57e86d EC |
1464 | } |
1465 | } | |
1466 | ||
626fa32c | 1467 | static void arcmsr_hbaA_stop_bgrb(struct AdapterControlBlock *acb) |
1c57e86d | 1468 | { |
80da1adb | 1469 | struct MessageUnit_A __iomem *reg = acb->pmuA; |
1c57e86d EC |
1470 | acb->acb_flags &= ~ACB_F_MSG_START_BGRB; |
1471 | writel(ARCMSR_INBOUND_MESG0_STOP_BGRB, ®->inbound_msgaddr0); | |
626fa32c | 1472 | if (!arcmsr_hbaA_wait_msgint_ready(acb)) { |
1a4f550a | 1473 | printk(KERN_NOTICE |
626fa32c | 1474 | "arcmsr%d: wait 'stop adapter background rebulid' timeout\n" |
1a4f550a NC |
1475 | , acb->host->host_no); |
1476 | } | |
1477 | } | |
1478 | ||
626fa32c | 1479 | static void arcmsr_hbaB_stop_bgrb(struct AdapterControlBlock *acb) |
1a4f550a | 1480 | { |
80da1adb | 1481 | struct MessageUnit_B *reg = acb->pmuB; |
1a4f550a | 1482 | acb->acb_flags &= ~ACB_F_MSG_START_BGRB; |
ae52e7f0 | 1483 | writel(ARCMSR_MESSAGE_STOP_BGRB, reg->drv2iop_doorbell); |
1a4f550a | 1484 | |
626fa32c | 1485 | if (!arcmsr_hbaB_wait_msgint_ready(acb)) { |
1c57e86d | 1486 | printk(KERN_NOTICE |
626fa32c | 1487 | "arcmsr%d: wait 'stop adapter background rebulid' timeout\n" |
1c57e86d | 1488 | , acb->host->host_no); |
1a4f550a NC |
1489 | } |
1490 | } | |
1491 | ||
626fa32c | 1492 | static void arcmsr_hbaC_stop_bgrb(struct AdapterControlBlock *pACB) |
cdd3cb15 | 1493 | { |
c10b1d54 | 1494 | struct MessageUnit_C __iomem *reg = pACB->pmuC; |
cdd3cb15 NC |
1495 | pACB->acb_flags &= ~ACB_F_MSG_START_BGRB; |
1496 | writel(ARCMSR_INBOUND_MESG0_STOP_BGRB, ®->inbound_msgaddr0); | |
1497 | writel(ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE, ®->inbound_doorbell); | |
626fa32c | 1498 | if (!arcmsr_hbaC_wait_msgint_ready(pACB)) { |
cdd3cb15 | 1499 | printk(KERN_NOTICE |
626fa32c | 1500 | "arcmsr%d: wait 'stop adapter background rebulid' timeout\n" |
cdd3cb15 NC |
1501 | , pACB->host->host_no); |
1502 | } | |
1503 | return; | |
1504 | } | |
5b37479a CH |
1505 | |
1506 | static void arcmsr_hbaD_stop_bgrb(struct AdapterControlBlock *pACB) | |
1507 | { | |
1508 | struct MessageUnit_D *reg = pACB->pmuD; | |
1509 | ||
1510 | pACB->acb_flags &= ~ACB_F_MSG_START_BGRB; | |
1511 | writel(ARCMSR_INBOUND_MESG0_STOP_BGRB, reg->inbound_msgaddr0); | |
1512 | if (!arcmsr_hbaD_wait_msgint_ready(pACB)) | |
1513 | pr_notice("arcmsr%d: wait 'stop adapter background rebulid' " | |
1514 | "timeout\n", pACB->host->host_no); | |
1515 | } | |
1516 | ||
1a4f550a NC |
1517 | static void arcmsr_stop_adapter_bgrb(struct AdapterControlBlock *acb) |
1518 | { | |
1519 | switch (acb->adapter_type) { | |
1520 | case ACB_ADAPTER_TYPE_A: { | |
626fa32c | 1521 | arcmsr_hbaA_stop_bgrb(acb); |
1a4f550a NC |
1522 | } |
1523 | break; | |
1524 | ||
1525 | case ACB_ADAPTER_TYPE_B: { | |
626fa32c | 1526 | arcmsr_hbaB_stop_bgrb(acb); |
1a4f550a NC |
1527 | } |
1528 | break; | |
cdd3cb15 | 1529 | case ACB_ADAPTER_TYPE_C: { |
626fa32c | 1530 | arcmsr_hbaC_stop_bgrb(acb); |
cdd3cb15 | 1531 | } |
5b37479a CH |
1532 | break; |
1533 | case ACB_ADAPTER_TYPE_D: | |
1534 | arcmsr_hbaD_stop_bgrb(acb); | |
1535 | break; | |
1a4f550a | 1536 | } |
1c57e86d EC |
1537 | } |
1538 | ||
1539 | static void arcmsr_free_ccb_pool(struct AdapterControlBlock *acb) | |
1540 | { | |
cdd3cb15 | 1541 | dma_free_coherent(&acb->pdev->dev, acb->uncache_size, acb->dma_coherent, acb->dma_coherent_handle); |
1c57e86d EC |
1542 | } |
1543 | ||
c10b1d54 | 1544 | static void arcmsr_iop_message_read(struct AdapterControlBlock *acb) |
1c57e86d | 1545 | { |
1a4f550a NC |
1546 | switch (acb->adapter_type) { |
1547 | case ACB_ADAPTER_TYPE_A: { | |
80da1adb | 1548 | struct MessageUnit_A __iomem *reg = acb->pmuA; |
1a4f550a NC |
1549 | writel(ARCMSR_INBOUND_DRIVER_DATA_READ_OK, ®->inbound_doorbell); |
1550 | } | |
1551 | break; | |
1c57e86d | 1552 | |
1a4f550a | 1553 | case ACB_ADAPTER_TYPE_B: { |
80da1adb | 1554 | struct MessageUnit_B *reg = acb->pmuB; |
ae52e7f0 | 1555 | writel(ARCMSR_DRV2IOP_DATA_READ_OK, reg->drv2iop_doorbell); |
1c57e86d | 1556 | } |
1a4f550a | 1557 | break; |
cdd3cb15 NC |
1558 | case ACB_ADAPTER_TYPE_C: { |
1559 | struct MessageUnit_C __iomem *reg = acb->pmuC; | |
5b37479a | 1560 | |
cdd3cb15 NC |
1561 | writel(ARCMSR_HBCMU_DRV2IOP_DATA_READ_OK, ®->inbound_doorbell); |
1562 | } | |
5b37479a CH |
1563 | break; |
1564 | case ACB_ADAPTER_TYPE_D: { | |
1565 | struct MessageUnit_D *reg = acb->pmuD; | |
1566 | writel(ARCMSR_ARC1214_DRV2IOP_DATA_OUT_READ, | |
1567 | reg->inbound_doorbell); | |
1568 | } | |
1569 | break; | |
1c57e86d | 1570 | } |
1a4f550a NC |
1571 | } |
1572 | ||
1573 | static void arcmsr_iop_message_wrote(struct AdapterControlBlock *acb) | |
1574 | { | |
1575 | switch (acb->adapter_type) { | |
1576 | case ACB_ADAPTER_TYPE_A: { | |
80da1adb | 1577 | struct MessageUnit_A __iomem *reg = acb->pmuA; |
1c57e86d | 1578 | /* |
1a4f550a NC |
1579 | ** push inbound doorbell tell iop, driver data write ok |
1580 | ** and wait reply on next hwinterrupt for next Qbuffer post | |
1c57e86d | 1581 | */ |
1a4f550a NC |
1582 | writel(ARCMSR_INBOUND_DRIVER_DATA_WRITE_OK, ®->inbound_doorbell); |
1583 | } | |
1584 | break; | |
1585 | ||
1586 | case ACB_ADAPTER_TYPE_B: { | |
80da1adb | 1587 | struct MessageUnit_B *reg = acb->pmuB; |
1a4f550a NC |
1588 | /* |
1589 | ** push inbound doorbell tell iop, driver data write ok | |
1590 | ** and wait reply on next hwinterrupt for next Qbuffer post | |
1591 | */ | |
ae52e7f0 | 1592 | writel(ARCMSR_DRV2IOP_DATA_WRITE_OK, reg->drv2iop_doorbell); |
1a4f550a NC |
1593 | } |
1594 | break; | |
cdd3cb15 NC |
1595 | case ACB_ADAPTER_TYPE_C: { |
1596 | struct MessageUnit_C __iomem *reg = acb->pmuC; | |
1597 | /* | |
1598 | ** push inbound doorbell tell iop, driver data write ok | |
1599 | ** and wait reply on next hwinterrupt for next Qbuffer post | |
1600 | */ | |
1601 | writel(ARCMSR_HBCMU_DRV2IOP_DATA_WRITE_OK, ®->inbound_doorbell); | |
1602 | } | |
1603 | break; | |
5b37479a CH |
1604 | case ACB_ADAPTER_TYPE_D: { |
1605 | struct MessageUnit_D *reg = acb->pmuD; | |
1606 | writel(ARCMSR_ARC1214_DRV2IOP_DATA_IN_READY, | |
1607 | reg->inbound_doorbell); | |
1608 | } | |
1609 | break; | |
1a4f550a NC |
1610 | } |
1611 | } | |
1612 | ||
80da1adb | 1613 | struct QBUFFER __iomem *arcmsr_get_iop_rqbuffer(struct AdapterControlBlock *acb) |
1a4f550a | 1614 | { |
0c7eb2eb | 1615 | struct QBUFFER __iomem *qbuffer = NULL; |
1a4f550a NC |
1616 | switch (acb->adapter_type) { |
1617 | ||
1618 | case ACB_ADAPTER_TYPE_A: { | |
80da1adb AV |
1619 | struct MessageUnit_A __iomem *reg = acb->pmuA; |
1620 | qbuffer = (struct QBUFFER __iomem *)®->message_rbuffer; | |
1a4f550a NC |
1621 | } |
1622 | break; | |
1623 | ||
1624 | case ACB_ADAPTER_TYPE_B: { | |
80da1adb | 1625 | struct MessageUnit_B *reg = acb->pmuB; |
ae52e7f0 | 1626 | qbuffer = (struct QBUFFER __iomem *)reg->message_rbuffer; |
1a4f550a NC |
1627 | } |
1628 | break; | |
cdd3cb15 | 1629 | case ACB_ADAPTER_TYPE_C: { |
c10b1d54 | 1630 | struct MessageUnit_C __iomem *phbcmu = acb->pmuC; |
cdd3cb15 NC |
1631 | qbuffer = (struct QBUFFER __iomem *)&phbcmu->message_rbuffer; |
1632 | } | |
5b37479a CH |
1633 | break; |
1634 | case ACB_ADAPTER_TYPE_D: { | |
1635 | struct MessageUnit_D *reg = acb->pmuD; | |
1636 | qbuffer = (struct QBUFFER __iomem *)reg->message_rbuffer; | |
1637 | } | |
1638 | break; | |
1a4f550a NC |
1639 | } |
1640 | return qbuffer; | |
1641 | } | |
1642 | ||
80da1adb | 1643 | static struct QBUFFER __iomem *arcmsr_get_iop_wqbuffer(struct AdapterControlBlock *acb) |
1a4f550a | 1644 | { |
0c7eb2eb | 1645 | struct QBUFFER __iomem *pqbuffer = NULL; |
1a4f550a NC |
1646 | switch (acb->adapter_type) { |
1647 | ||
1648 | case ACB_ADAPTER_TYPE_A: { | |
80da1adb AV |
1649 | struct MessageUnit_A __iomem *reg = acb->pmuA; |
1650 | pqbuffer = (struct QBUFFER __iomem *) ®->message_wbuffer; | |
1a4f550a NC |
1651 | } |
1652 | break; | |
1653 | ||
1654 | case ACB_ADAPTER_TYPE_B: { | |
80da1adb | 1655 | struct MessageUnit_B *reg = acb->pmuB; |
ae52e7f0 | 1656 | pqbuffer = (struct QBUFFER __iomem *)reg->message_wbuffer; |
1a4f550a NC |
1657 | } |
1658 | break; | |
cdd3cb15 | 1659 | case ACB_ADAPTER_TYPE_C: { |
c10b1d54 | 1660 | struct MessageUnit_C __iomem *reg = acb->pmuC; |
cdd3cb15 | 1661 | pqbuffer = (struct QBUFFER __iomem *)®->message_wbuffer; |
5b37479a CH |
1662 | } |
1663 | break; | |
1664 | case ACB_ADAPTER_TYPE_D: { | |
1665 | struct MessageUnit_D *reg = acb->pmuD; | |
1666 | pqbuffer = (struct QBUFFER __iomem *)reg->message_wbuffer; | |
1667 | } | |
1668 | break; | |
1a4f550a NC |
1669 | } |
1670 | return pqbuffer; | |
1671 | } | |
1672 | ||
bb263c4e CH |
1673 | static uint32_t |
1674 | arcmsr_Read_iop_rqbuffer_in_DWORD(struct AdapterControlBlock *acb, | |
1675 | struct QBUFFER __iomem *prbuffer) | |
1a4f550a | 1676 | { |
bb263c4e CH |
1677 | uint8_t *pQbuffer; |
1678 | uint8_t *buf1 = NULL; | |
1679 | uint32_t __iomem *iop_data; | |
1680 | uint32_t iop_len, data_len, *buf2 = NULL; | |
1681 | ||
1682 | iop_data = (uint32_t __iomem *)prbuffer->data; | |
1683 | iop_len = readl(&prbuffer->data_len); | |
1684 | if (iop_len > 0) { | |
1685 | buf1 = kmalloc(128, GFP_ATOMIC); | |
1686 | buf2 = (uint32_t *)buf1; | |
1687 | if (buf1 == NULL) | |
1688 | return 0; | |
1689 | data_len = iop_len; | |
1690 | while (data_len >= 4) { | |
1691 | *buf2++ = readl(iop_data); | |
1a4f550a | 1692 | iop_data++; |
bb263c4e | 1693 | data_len -= 4; |
1a4f550a | 1694 | } |
bb263c4e CH |
1695 | if (data_len) |
1696 | *buf2 = readl(iop_data); | |
1697 | buf2 = (uint32_t *)buf1; | |
1698 | } | |
1699 | while (iop_len > 0) { | |
2e9feb43 | 1700 | pQbuffer = &acb->rqbuffer[acb->rqbuf_putIndex]; |
bb263c4e | 1701 | *pQbuffer = *buf1; |
2e9feb43 | 1702 | acb->rqbuf_putIndex++; |
bb263c4e | 1703 | /* if last, index number set it to 0 */ |
2e9feb43 | 1704 | acb->rqbuf_putIndex %= ARCMSR_MAX_QBUFFER; |
bb263c4e CH |
1705 | buf1++; |
1706 | iop_len--; | |
1707 | } | |
2e9feb43 | 1708 | kfree(buf2); |
bb263c4e CH |
1709 | /* let IOP know data has been read */ |
1710 | arcmsr_iop_message_read(acb); | |
1711 | return 1; | |
1712 | } | |
1713 | ||
1714 | uint32_t | |
1715 | arcmsr_Read_iop_rqbuffer_data(struct AdapterControlBlock *acb, | |
1716 | struct QBUFFER __iomem *prbuffer) { | |
1717 | ||
1718 | uint8_t *pQbuffer; | |
1719 | uint8_t __iomem *iop_data; | |
1720 | uint32_t iop_len; | |
1721 | ||
5b37479a | 1722 | if (acb->adapter_type & (ACB_ADAPTER_TYPE_C | ACB_ADAPTER_TYPE_D)) |
bb263c4e CH |
1723 | return arcmsr_Read_iop_rqbuffer_in_DWORD(acb, prbuffer); |
1724 | iop_data = (uint8_t __iomem *)prbuffer->data; | |
1725 | iop_len = readl(&prbuffer->data_len); | |
1726 | while (iop_len > 0) { | |
2e9feb43 | 1727 | pQbuffer = &acb->rqbuffer[acb->rqbuf_putIndex]; |
bb263c4e | 1728 | *pQbuffer = readb(iop_data); |
2e9feb43 CH |
1729 | acb->rqbuf_putIndex++; |
1730 | acb->rqbuf_putIndex %= ARCMSR_MAX_QBUFFER; | |
bb263c4e CH |
1731 | iop_data++; |
1732 | iop_len--; | |
1a4f550a | 1733 | } |
bb263c4e CH |
1734 | arcmsr_iop_message_read(acb); |
1735 | return 1; | |
1736 | } | |
1a4f550a | 1737 | |
bb263c4e CH |
1738 | static void arcmsr_iop2drv_data_wrote_handle(struct AdapterControlBlock *acb) |
1739 | { | |
1740 | unsigned long flags; | |
1741 | struct QBUFFER __iomem *prbuffer; | |
1742 | int32_t buf_empty_len; | |
1743 | ||
1744 | spin_lock_irqsave(&acb->rqbuffer_lock, flags); | |
1745 | prbuffer = arcmsr_get_iop_rqbuffer(acb); | |
2e9feb43 | 1746 | buf_empty_len = (acb->rqbuf_putIndex - acb->rqbuf_getIndex - 1) & |
bb263c4e CH |
1747 | (ARCMSR_MAX_QBUFFER - 1); |
1748 | if (buf_empty_len >= readl(&prbuffer->data_len)) { | |
1749 | if (arcmsr_Read_iop_rqbuffer_data(acb, prbuffer) == 0) | |
1750 | acb->acb_flags |= ACB_F_IOPDATA_OVERFLOW; | |
1751 | } else | |
1a4f550a | 1752 | acb->acb_flags |= ACB_F_IOPDATA_OVERFLOW; |
bb263c4e CH |
1753 | spin_unlock_irqrestore(&acb->rqbuffer_lock, flags); |
1754 | } | |
1755 | ||
1756 | static void arcmsr_write_ioctldata2iop_in_DWORD(struct AdapterControlBlock *acb) | |
1757 | { | |
1758 | uint8_t *pQbuffer; | |
1759 | struct QBUFFER __iomem *pwbuffer; | |
1760 | uint8_t *buf1 = NULL; | |
1761 | uint32_t __iomem *iop_data; | |
1762 | uint32_t allxfer_len = 0, data_len, *buf2 = NULL, data; | |
1763 | ||
1764 | if (acb->acb_flags & ACB_F_MESSAGE_WQBUFFER_READED) { | |
1765 | buf1 = kmalloc(128, GFP_ATOMIC); | |
1766 | buf2 = (uint32_t *)buf1; | |
1767 | if (buf1 == NULL) | |
1768 | return; | |
1769 | ||
1770 | acb->acb_flags &= (~ACB_F_MESSAGE_WQBUFFER_READED); | |
1771 | pwbuffer = arcmsr_get_iop_wqbuffer(acb); | |
1772 | iop_data = (uint32_t __iomem *)pwbuffer->data; | |
2e9feb43 | 1773 | while ((acb->wqbuf_getIndex != acb->wqbuf_putIndex) |
bb263c4e | 1774 | && (allxfer_len < 124)) { |
2e9feb43 | 1775 | pQbuffer = &acb->wqbuffer[acb->wqbuf_getIndex]; |
bb263c4e | 1776 | *buf1 = *pQbuffer; |
2e9feb43 CH |
1777 | acb->wqbuf_getIndex++; |
1778 | acb->wqbuf_getIndex %= ARCMSR_MAX_QBUFFER; | |
bb263c4e CH |
1779 | buf1++; |
1780 | allxfer_len++; | |
1781 | } | |
1782 | data_len = allxfer_len; | |
1783 | buf1 = (uint8_t *)buf2; | |
1784 | while (data_len >= 4) { | |
1785 | data = *buf2++; | |
1786 | writel(data, iop_data); | |
1787 | iop_data++; | |
1788 | data_len -= 4; | |
1789 | } | |
1790 | if (data_len) { | |
1791 | data = *buf2; | |
1792 | writel(data, iop_data); | |
1793 | } | |
1794 | writel(allxfer_len, &pwbuffer->data_len); | |
1795 | kfree(buf1); | |
1796 | arcmsr_iop_message_wrote(acb); | |
1a4f550a NC |
1797 | } |
1798 | } | |
1799 | ||
bb263c4e CH |
1800 | void |
1801 | arcmsr_write_ioctldata2iop(struct AdapterControlBlock *acb) | |
1a4f550a | 1802 | { |
bb263c4e CH |
1803 | uint8_t *pQbuffer; |
1804 | struct QBUFFER __iomem *pwbuffer; | |
1805 | uint8_t __iomem *iop_data; | |
1806 | int32_t allxfer_len = 0; | |
1a4f550a | 1807 | |
5b37479a | 1808 | if (acb->adapter_type & (ACB_ADAPTER_TYPE_C | ACB_ADAPTER_TYPE_D)) { |
bb263c4e CH |
1809 | arcmsr_write_ioctldata2iop_in_DWORD(acb); |
1810 | return; | |
1811 | } | |
1812 | if (acb->acb_flags & ACB_F_MESSAGE_WQBUFFER_READED) { | |
1a4f550a NC |
1813 | acb->acb_flags &= (~ACB_F_MESSAGE_WQBUFFER_READED); |
1814 | pwbuffer = arcmsr_get_iop_wqbuffer(acb); | |
1815 | iop_data = (uint8_t __iomem *)pwbuffer->data; | |
2e9feb43 | 1816 | while ((acb->wqbuf_getIndex != acb->wqbuf_putIndex) |
bb263c4e | 1817 | && (allxfer_len < 124)) { |
2e9feb43 | 1818 | pQbuffer = &acb->wqbuffer[acb->wqbuf_getIndex]; |
bb263c4e | 1819 | writeb(*pQbuffer, iop_data); |
2e9feb43 CH |
1820 | acb->wqbuf_getIndex++; |
1821 | acb->wqbuf_getIndex %= ARCMSR_MAX_QBUFFER; | |
1a4f550a NC |
1822 | iop_data++; |
1823 | allxfer_len++; | |
1824 | } | |
bb263c4e | 1825 | writel(allxfer_len, &pwbuffer->data_len); |
1a4f550a NC |
1826 | arcmsr_iop_message_wrote(acb); |
1827 | } | |
bb263c4e | 1828 | } |
1a4f550a | 1829 | |
bb263c4e CH |
1830 | static void arcmsr_iop2drv_data_read_handle(struct AdapterControlBlock *acb) |
1831 | { | |
1832 | unsigned long flags; | |
1833 | ||
1834 | spin_lock_irqsave(&acb->wqbuffer_lock, flags); | |
1835 | acb->acb_flags |= ACB_F_MESSAGE_WQBUFFER_READED; | |
2e9feb43 | 1836 | if (acb->wqbuf_getIndex != acb->wqbuf_putIndex) |
bb263c4e | 1837 | arcmsr_write_ioctldata2iop(acb); |
2e9feb43 | 1838 | if (acb->wqbuf_getIndex == acb->wqbuf_putIndex) |
1a4f550a | 1839 | acb->acb_flags |= ACB_F_MESSAGE_WQBUFFER_CLEARED; |
bb263c4e | 1840 | spin_unlock_irqrestore(&acb->wqbuffer_lock, flags); |
1a4f550a NC |
1841 | } |
1842 | ||
626fa32c | 1843 | static void arcmsr_hbaA_doorbell_isr(struct AdapterControlBlock *acb) |
1a4f550a NC |
1844 | { |
1845 | uint32_t outbound_doorbell; | |
80da1adb | 1846 | struct MessageUnit_A __iomem *reg = acb->pmuA; |
1a4f550a | 1847 | outbound_doorbell = readl(®->outbound_doorbell); |
6b393722 CH |
1848 | do { |
1849 | writel(outbound_doorbell, ®->outbound_doorbell); | |
1850 | if (outbound_doorbell & ARCMSR_OUTBOUND_IOP331_DATA_WRITE_OK) | |
1851 | arcmsr_iop2drv_data_wrote_handle(acb); | |
1852 | if (outbound_doorbell & ARCMSR_OUTBOUND_IOP331_DATA_READ_OK) | |
1853 | arcmsr_iop2drv_data_read_handle(acb); | |
1854 | outbound_doorbell = readl(®->outbound_doorbell); | |
1855 | } while (outbound_doorbell & (ARCMSR_OUTBOUND_IOP331_DATA_WRITE_OK | |
1856 | | ARCMSR_OUTBOUND_IOP331_DATA_READ_OK)); | |
1a4f550a | 1857 | } |
626fa32c | 1858 | static void arcmsr_hbaC_doorbell_isr(struct AdapterControlBlock *pACB) |
cdd3cb15 NC |
1859 | { |
1860 | uint32_t outbound_doorbell; | |
c10b1d54 | 1861 | struct MessageUnit_C __iomem *reg = pACB->pmuC; |
cdd3cb15 NC |
1862 | /* |
1863 | ******************************************************************* | |
1864 | ** Maybe here we need to check wrqbuffer_lock is lock or not | |
1865 | ** DOORBELL: din! don! | |
1866 | ** check if there are any mail need to pack from firmware | |
1867 | ******************************************************************* | |
1868 | */ | |
1869 | outbound_doorbell = readl(®->outbound_doorbell); | |
6b393722 CH |
1870 | do { |
1871 | writel(outbound_doorbell, ®->outbound_doorbell_clear); | |
1872 | readl(®->outbound_doorbell_clear); | |
1873 | if (outbound_doorbell & ARCMSR_HBCMU_IOP2DRV_DATA_WRITE_OK) | |
1874 | arcmsr_iop2drv_data_wrote_handle(pACB); | |
1875 | if (outbound_doorbell & ARCMSR_HBCMU_IOP2DRV_DATA_READ_OK) | |
1876 | arcmsr_iop2drv_data_read_handle(pACB); | |
1877 | if (outbound_doorbell & ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE) | |
626fa32c | 1878 | arcmsr_hbaC_message_isr(pACB); |
6b393722 CH |
1879 | outbound_doorbell = readl(®->outbound_doorbell); |
1880 | } while (outbound_doorbell & (ARCMSR_HBCMU_IOP2DRV_DATA_WRITE_OK | |
1881 | | ARCMSR_HBCMU_IOP2DRV_DATA_READ_OK | |
1882 | | ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE)); | |
cdd3cb15 | 1883 | } |
5b37479a CH |
1884 | |
1885 | static void arcmsr_hbaD_doorbell_isr(struct AdapterControlBlock *pACB) | |
1886 | { | |
1887 | uint32_t outbound_doorbell; | |
1888 | struct MessageUnit_D *pmu = pACB->pmuD; | |
1889 | ||
1890 | outbound_doorbell = readl(pmu->outbound_doorbell); | |
1891 | do { | |
1892 | writel(outbound_doorbell, pmu->outbound_doorbell); | |
1893 | if (outbound_doorbell & ARCMSR_ARC1214_IOP2DRV_MESSAGE_CMD_DONE) | |
1894 | arcmsr_hbaD_message_isr(pACB); | |
1895 | if (outbound_doorbell & ARCMSR_ARC1214_IOP2DRV_DATA_WRITE_OK) | |
1896 | arcmsr_iop2drv_data_wrote_handle(pACB); | |
1897 | if (outbound_doorbell & ARCMSR_ARC1214_IOP2DRV_DATA_READ_OK) | |
1898 | arcmsr_iop2drv_data_read_handle(pACB); | |
1899 | outbound_doorbell = readl(pmu->outbound_doorbell); | |
1900 | } while (outbound_doorbell & (ARCMSR_ARC1214_IOP2DRV_DATA_WRITE_OK | |
1901 | | ARCMSR_ARC1214_IOP2DRV_DATA_READ_OK | |
1902 | | ARCMSR_ARC1214_IOP2DRV_MESSAGE_CMD_DONE)); | |
1903 | } | |
1904 | ||
626fa32c | 1905 | static void arcmsr_hbaA_postqueue_isr(struct AdapterControlBlock *acb) |
1a4f550a NC |
1906 | { |
1907 | uint32_t flag_ccb; | |
80da1adb | 1908 | struct MessageUnit_A __iomem *reg = acb->pmuA; |
cdd3cb15 NC |
1909 | struct ARCMSR_CDB *pARCMSR_CDB; |
1910 | struct CommandControlBlock *pCCB; | |
1911 | bool error; | |
1a4f550a | 1912 | while ((flag_ccb = readl(®->outbound_queueport)) != 0xFFFFFFFF) { |
cdd3cb15 NC |
1913 | pARCMSR_CDB = (struct ARCMSR_CDB *)(acb->vir2phy_offset + (flag_ccb << 5));/*frame must be 32 bytes aligned*/ |
1914 | pCCB = container_of(pARCMSR_CDB, struct CommandControlBlock, arcmsr_cdb); | |
1915 | error = (flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR_MODE0) ? true : false; | |
1916 | arcmsr_drain_donequeue(acb, pCCB, error); | |
1a4f550a NC |
1917 | } |
1918 | } | |
626fa32c | 1919 | static void arcmsr_hbaB_postqueue_isr(struct AdapterControlBlock *acb) |
1a4f550a NC |
1920 | { |
1921 | uint32_t index; | |
1922 | uint32_t flag_ccb; | |
80da1adb | 1923 | struct MessageUnit_B *reg = acb->pmuB; |
cdd3cb15 NC |
1924 | struct ARCMSR_CDB *pARCMSR_CDB; |
1925 | struct CommandControlBlock *pCCB; | |
1926 | bool error; | |
1a4f550a | 1927 | index = reg->doneq_index; |
c10b1d54 CH |
1928 | while ((flag_ccb = reg->done_qbuffer[index]) != 0) { |
1929 | reg->done_qbuffer[index] = 0; | |
cdd3cb15 NC |
1930 | pARCMSR_CDB = (struct ARCMSR_CDB *)(acb->vir2phy_offset+(flag_ccb << 5));/*frame must be 32 bytes aligned*/ |
1931 | pCCB = container_of(pARCMSR_CDB, struct CommandControlBlock, arcmsr_cdb); | |
1932 | error = (flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR_MODE0) ? true : false; | |
1933 | arcmsr_drain_donequeue(acb, pCCB, error); | |
1a4f550a NC |
1934 | index++; |
1935 | index %= ARCMSR_MAX_HBB_POSTQUEUE; | |
1936 | reg->doneq_index = index; | |
1937 | } | |
1938 | } | |
cdd3cb15 | 1939 | |
626fa32c | 1940 | static void arcmsr_hbaC_postqueue_isr(struct AdapterControlBlock *acb) |
cdd3cb15 | 1941 | { |
c10b1d54 | 1942 | struct MessageUnit_C __iomem *phbcmu; |
cdd3cb15 NC |
1943 | struct ARCMSR_CDB *arcmsr_cdb; |
1944 | struct CommandControlBlock *ccb; | |
1945 | uint32_t flag_ccb, ccb_cdb_phy, throttling = 0; | |
1946 | int error; | |
1947 | ||
c10b1d54 | 1948 | phbcmu = acb->pmuC; |
cdd3cb15 NC |
1949 | /* areca cdb command done */ |
1950 | /* Use correct offset and size for syncing */ | |
1951 | ||
6b393722 CH |
1952 | while ((flag_ccb = readl(&phbcmu->outbound_queueport_low)) != |
1953 | 0xFFFFFFFF) { | |
1954 | ccb_cdb_phy = (flag_ccb & 0xFFFFFFF0); | |
1955 | arcmsr_cdb = (struct ARCMSR_CDB *)(acb->vir2phy_offset | |
1956 | + ccb_cdb_phy); | |
1957 | ccb = container_of(arcmsr_cdb, struct CommandControlBlock, | |
1958 | arcmsr_cdb); | |
1959 | error = (flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR_MODE1) | |
1960 | ? true : false; | |
1961 | /* check if command done with no error */ | |
1962 | arcmsr_drain_donequeue(acb, ccb, error); | |
1963 | throttling++; | |
1964 | if (throttling == ARCMSR_HBC_ISR_THROTTLING_LEVEL) { | |
1965 | writel(ARCMSR_HBCMU_DRV2IOP_POSTQUEUE_THROTTLING, | |
1966 | &phbcmu->inbound_doorbell); | |
1967 | throttling = 0; | |
1968 | } | |
cdd3cb15 NC |
1969 | } |
1970 | } | |
5b37479a CH |
1971 | |
1972 | static void arcmsr_hbaD_postqueue_isr(struct AdapterControlBlock *acb) | |
1973 | { | |
3b8155d5 | 1974 | u32 outbound_write_pointer, doneq_index, index_stripped, toggle; |
5b37479a CH |
1975 | uint32_t addressLow, ccb_cdb_phy; |
1976 | int error; | |
1977 | struct MessageUnit_D *pmu; | |
1978 | struct ARCMSR_CDB *arcmsr_cdb; | |
1979 | struct CommandControlBlock *ccb; | |
1980 | unsigned long flags; | |
1981 | ||
1982 | spin_lock_irqsave(&acb->doneq_lock, flags); | |
1983 | pmu = acb->pmuD; | |
1984 | outbound_write_pointer = pmu->done_qbuffer[0].addressLow + 1; | |
1985 | doneq_index = pmu->doneq_index; | |
1986 | if ((doneq_index & 0xFFF) != (outbound_write_pointer & 0xFFF)) { | |
1987 | do { | |
3b8155d5 CH |
1988 | toggle = doneq_index & 0x4000; |
1989 | index_stripped = (doneq_index & 0xFFF) + 1; | |
1990 | index_stripped %= ARCMSR_MAX_ARC1214_DONEQUEUE; | |
1991 | pmu->doneq_index = index_stripped ? (index_stripped | toggle) : | |
1992 | ((toggle ^ 0x4000) + 1); | |
5b37479a CH |
1993 | doneq_index = pmu->doneq_index; |
1994 | addressLow = pmu->done_qbuffer[doneq_index & | |
1995 | 0xFFF].addressLow; | |
1996 | ccb_cdb_phy = (addressLow & 0xFFFFFFF0); | |
1997 | arcmsr_cdb = (struct ARCMSR_CDB *)(acb->vir2phy_offset | |
1998 | + ccb_cdb_phy); | |
1999 | ccb = container_of(arcmsr_cdb, | |
2000 | struct CommandControlBlock, arcmsr_cdb); | |
2001 | error = (addressLow & ARCMSR_CCBREPLY_FLAG_ERROR_MODE1) | |
2002 | ? true : false; | |
2003 | arcmsr_drain_donequeue(acb, ccb, error); | |
2004 | writel(doneq_index, pmu->outboundlist_read_pointer); | |
2005 | } while ((doneq_index & 0xFFF) != | |
2006 | (outbound_write_pointer & 0xFFF)); | |
2007 | } | |
2008 | writel(ARCMSR_ARC1214_OUTBOUND_LIST_INTERRUPT_CLEAR, | |
2009 | pmu->outboundlist_interrupt_cause); | |
2010 | readl(pmu->outboundlist_interrupt_cause); | |
2011 | spin_unlock_irqrestore(&acb->doneq_lock, flags); | |
2012 | } | |
2013 | ||
36b83ded NC |
2014 | /* |
2015 | ********************************************************************************** | |
2016 | ** Handle a message interrupt | |
2017 | ** | |
cdd3cb15 | 2018 | ** The only message interrupt we expect is in response to a query for the current adapter config. |
36b83ded NC |
2019 | ** We want this in order to compare the drivemap so that we can detect newly-attached drives. |
2020 | ********************************************************************************** | |
2021 | */ | |
626fa32c | 2022 | static void arcmsr_hbaA_message_isr(struct AdapterControlBlock *acb) |
36b83ded | 2023 | { |
c10b1d54 | 2024 | struct MessageUnit_A __iomem *reg = acb->pmuA; |
36b83ded NC |
2025 | /*clear interrupt and message state*/ |
2026 | writel(ARCMSR_MU_OUTBOUND_MESSAGE0_INT, ®->outbound_intstatus); | |
2027 | schedule_work(&acb->arcmsr_do_message_isr_bh); | |
2028 | } | |
626fa32c | 2029 | static void arcmsr_hbaB_message_isr(struct AdapterControlBlock *acb) |
36b83ded NC |
2030 | { |
2031 | struct MessageUnit_B *reg = acb->pmuB; | |
1a4f550a | 2032 | |
36b83ded | 2033 | /*clear interrupt and message state*/ |
ae52e7f0 | 2034 | writel(ARCMSR_MESSAGE_INT_CLEAR_PATTERN, reg->iop2drv_doorbell); |
36b83ded NC |
2035 | schedule_work(&acb->arcmsr_do_message_isr_bh); |
2036 | } | |
cdd3cb15 NC |
2037 | /* |
2038 | ********************************************************************************** | |
2039 | ** Handle a message interrupt | |
2040 | ** | |
2041 | ** The only message interrupt we expect is in response to a query for the | |
2042 | ** current adapter config. | |
2043 | ** We want this in order to compare the drivemap so that we can detect newly-attached drives. | |
2044 | ********************************************************************************** | |
2045 | */ | |
626fa32c | 2046 | static void arcmsr_hbaC_message_isr(struct AdapterControlBlock *acb) |
cdd3cb15 | 2047 | { |
c10b1d54 | 2048 | struct MessageUnit_C __iomem *reg = acb->pmuC; |
cdd3cb15 NC |
2049 | /*clear interrupt and message state*/ |
2050 | writel(ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE_DOORBELL_CLEAR, ®->outbound_doorbell_clear); | |
2051 | schedule_work(&acb->arcmsr_do_message_isr_bh); | |
2052 | } | |
2053 | ||
5b37479a CH |
2054 | static void arcmsr_hbaD_message_isr(struct AdapterControlBlock *acb) |
2055 | { | |
2056 | struct MessageUnit_D *reg = acb->pmuD; | |
2057 | ||
2058 | writel(ARCMSR_ARC1214_IOP2DRV_MESSAGE_CMD_DONE, reg->outbound_doorbell); | |
2059 | readl(reg->outbound_doorbell); | |
2060 | schedule_work(&acb->arcmsr_do_message_isr_bh); | |
2061 | } | |
2062 | ||
626fa32c | 2063 | static int arcmsr_hbaA_handle_isr(struct AdapterControlBlock *acb) |
1a4f550a NC |
2064 | { |
2065 | uint32_t outbound_intstatus; | |
80da1adb | 2066 | struct MessageUnit_A __iomem *reg = acb->pmuA; |
36b83ded | 2067 | outbound_intstatus = readl(®->outbound_intstatus) & |
cdd3cb15 | 2068 | acb->outbound_int_enable; |
6b393722 CH |
2069 | if (!(outbound_intstatus & ARCMSR_MU_OUTBOUND_HANDLE_INT)) |
2070 | return IRQ_NONE; | |
2071 | do { | |
2072 | writel(outbound_intstatus, ®->outbound_intstatus); | |
2073 | if (outbound_intstatus & ARCMSR_MU_OUTBOUND_DOORBELL_INT) | |
626fa32c | 2074 | arcmsr_hbaA_doorbell_isr(acb); |
6b393722 | 2075 | if (outbound_intstatus & ARCMSR_MU_OUTBOUND_POSTQUEUE_INT) |
626fa32c | 2076 | arcmsr_hbaA_postqueue_isr(acb); |
6b393722 | 2077 | if (outbound_intstatus & ARCMSR_MU_OUTBOUND_MESSAGE0_INT) |
626fa32c | 2078 | arcmsr_hbaA_message_isr(acb); |
6b393722 CH |
2079 | outbound_intstatus = readl(®->outbound_intstatus) & |
2080 | acb->outbound_int_enable; | |
2081 | } while (outbound_intstatus & (ARCMSR_MU_OUTBOUND_DOORBELL_INT | |
2082 | | ARCMSR_MU_OUTBOUND_POSTQUEUE_INT | |
2083 | | ARCMSR_MU_OUTBOUND_MESSAGE0_INT)); | |
2084 | return IRQ_HANDLED; | |
1a4f550a NC |
2085 | } |
2086 | ||
626fa32c | 2087 | static int arcmsr_hbaB_handle_isr(struct AdapterControlBlock *acb) |
1a4f550a NC |
2088 | { |
2089 | uint32_t outbound_doorbell; | |
80da1adb | 2090 | struct MessageUnit_B *reg = acb->pmuB; |
ae52e7f0 | 2091 | outbound_doorbell = readl(reg->iop2drv_doorbell) & |
cdd3cb15 | 2092 | acb->outbound_int_enable; |
1a4f550a | 2093 | if (!outbound_doorbell) |
6b393722 CH |
2094 | return IRQ_NONE; |
2095 | do { | |
2096 | writel(~outbound_doorbell, reg->iop2drv_doorbell); | |
2097 | writel(ARCMSR_DRV2IOP_END_OF_INTERRUPT, reg->drv2iop_doorbell); | |
2098 | if (outbound_doorbell & ARCMSR_IOP2DRV_DATA_WRITE_OK) | |
2099 | arcmsr_iop2drv_data_wrote_handle(acb); | |
2100 | if (outbound_doorbell & ARCMSR_IOP2DRV_DATA_READ_OK) | |
2101 | arcmsr_iop2drv_data_read_handle(acb); | |
2102 | if (outbound_doorbell & ARCMSR_IOP2DRV_CDB_DONE) | |
626fa32c | 2103 | arcmsr_hbaB_postqueue_isr(acb); |
6b393722 | 2104 | if (outbound_doorbell & ARCMSR_IOP2DRV_MESSAGE_CMD_DONE) |
626fa32c | 2105 | arcmsr_hbaB_message_isr(acb); |
6b393722 CH |
2106 | outbound_doorbell = readl(reg->iop2drv_doorbell) & |
2107 | acb->outbound_int_enable; | |
2108 | } while (outbound_doorbell & (ARCMSR_IOP2DRV_DATA_WRITE_OK | |
2109 | | ARCMSR_IOP2DRV_DATA_READ_OK | |
2110 | | ARCMSR_IOP2DRV_CDB_DONE | |
2111 | | ARCMSR_IOP2DRV_MESSAGE_CMD_DONE)); | |
2112 | return IRQ_HANDLED; | |
1a4f550a NC |
2113 | } |
2114 | ||
626fa32c | 2115 | static int arcmsr_hbaC_handle_isr(struct AdapterControlBlock *pACB) |
cdd3cb15 NC |
2116 | { |
2117 | uint32_t host_interrupt_status; | |
c10b1d54 | 2118 | struct MessageUnit_C __iomem *phbcmu = pACB->pmuC; |
cdd3cb15 NC |
2119 | /* |
2120 | ********************************************* | |
2121 | ** check outbound intstatus | |
2122 | ********************************************* | |
2123 | */ | |
6b393722 CH |
2124 | host_interrupt_status = readl(&phbcmu->host_int_status) & |
2125 | (ARCMSR_HBCMU_OUTBOUND_POSTQUEUE_ISR | | |
2126 | ARCMSR_HBCMU_OUTBOUND_DOORBELL_ISR); | |
2127 | if (!host_interrupt_status) | |
2128 | return IRQ_NONE; | |
2129 | do { | |
2130 | if (host_interrupt_status & ARCMSR_HBCMU_OUTBOUND_DOORBELL_ISR) | |
626fa32c | 2131 | arcmsr_hbaC_doorbell_isr(pACB); |
6b393722 CH |
2132 | /* MU post queue interrupts*/ |
2133 | if (host_interrupt_status & ARCMSR_HBCMU_OUTBOUND_POSTQUEUE_ISR) | |
626fa32c | 2134 | arcmsr_hbaC_postqueue_isr(pACB); |
6b393722 CH |
2135 | host_interrupt_status = readl(&phbcmu->host_int_status); |
2136 | } while (host_interrupt_status & (ARCMSR_HBCMU_OUTBOUND_POSTQUEUE_ISR | | |
2137 | ARCMSR_HBCMU_OUTBOUND_DOORBELL_ISR)); | |
2138 | return IRQ_HANDLED; | |
cdd3cb15 | 2139 | } |
5b37479a CH |
2140 | |
2141 | static irqreturn_t arcmsr_hbaD_handle_isr(struct AdapterControlBlock *pACB) | |
2142 | { | |
2143 | u32 host_interrupt_status; | |
2144 | struct MessageUnit_D *pmu = pACB->pmuD; | |
2145 | ||
2146 | host_interrupt_status = readl(pmu->host_int_status) & | |
2147 | (ARCMSR_ARC1214_OUTBOUND_POSTQUEUE_ISR | | |
2148 | ARCMSR_ARC1214_OUTBOUND_DOORBELL_ISR); | |
2149 | if (!host_interrupt_status) | |
2150 | return IRQ_NONE; | |
2151 | do { | |
2152 | /* MU post queue interrupts*/ | |
2153 | if (host_interrupt_status & | |
2154 | ARCMSR_ARC1214_OUTBOUND_POSTQUEUE_ISR) | |
2155 | arcmsr_hbaD_postqueue_isr(pACB); | |
2156 | if (host_interrupt_status & | |
2157 | ARCMSR_ARC1214_OUTBOUND_DOORBELL_ISR) | |
2158 | arcmsr_hbaD_doorbell_isr(pACB); | |
2159 | host_interrupt_status = readl(pmu->host_int_status); | |
2160 | } while (host_interrupt_status & | |
2161 | (ARCMSR_ARC1214_OUTBOUND_POSTQUEUE_ISR | | |
2162 | ARCMSR_ARC1214_OUTBOUND_DOORBELL_ISR)); | |
2163 | return IRQ_HANDLED; | |
2164 | } | |
2165 | ||
1a4f550a NC |
2166 | static irqreturn_t arcmsr_interrupt(struct AdapterControlBlock *acb) |
2167 | { | |
2168 | switch (acb->adapter_type) { | |
6b393722 | 2169 | case ACB_ADAPTER_TYPE_A: |
626fa32c | 2170 | return arcmsr_hbaA_handle_isr(acb); |
1a4f550a | 2171 | break; |
6b393722 | 2172 | case ACB_ADAPTER_TYPE_B: |
626fa32c | 2173 | return arcmsr_hbaB_handle_isr(acb); |
1a4f550a | 2174 | break; |
6b393722 | 2175 | case ACB_ADAPTER_TYPE_C: |
626fa32c | 2176 | return arcmsr_hbaC_handle_isr(acb); |
5b37479a CH |
2177 | case ACB_ADAPTER_TYPE_D: |
2178 | return arcmsr_hbaD_handle_isr(acb); | |
6b393722 CH |
2179 | default: |
2180 | return IRQ_NONE; | |
1c57e86d | 2181 | } |
1c57e86d EC |
2182 | } |
2183 | ||
2184 | static void arcmsr_iop_parking(struct AdapterControlBlock *acb) | |
2185 | { | |
2186 | if (acb) { | |
2187 | /* stop adapter background rebuild */ | |
2188 | if (acb->acb_flags & ACB_F_MSG_START_BGRB) { | |
1a4f550a | 2189 | uint32_t intmask_org; |
1c57e86d | 2190 | acb->acb_flags &= ~ACB_F_MSG_START_BGRB; |
1a4f550a | 2191 | intmask_org = arcmsr_disable_outbound_ints(acb); |
1c57e86d EC |
2192 | arcmsr_stop_adapter_bgrb(acb); |
2193 | arcmsr_flush_adapter_cache(acb); | |
1a4f550a NC |
2194 | arcmsr_enable_outbound_ints(acb, intmask_org); |
2195 | } | |
2196 | } | |
2197 | } | |
2198 | ||
bb263c4e CH |
2199 | |
2200 | void arcmsr_clear_iop2drv_rqueue_buffer(struct AdapterControlBlock *acb) | |
1a4f550a | 2201 | { |
bb263c4e CH |
2202 | uint32_t i; |
2203 | ||
2204 | if (acb->acb_flags & ACB_F_IOPDATA_OVERFLOW) { | |
2205 | for (i = 0; i < 15; i++) { | |
2206 | if (acb->acb_flags & ACB_F_IOPDATA_OVERFLOW) { | |
2207 | acb->acb_flags &= ~ACB_F_IOPDATA_OVERFLOW; | |
2e9feb43 CH |
2208 | acb->rqbuf_getIndex = 0; |
2209 | acb->rqbuf_putIndex = 0; | |
bb263c4e CH |
2210 | arcmsr_iop_message_read(acb); |
2211 | mdelay(30); | |
2e9feb43 CH |
2212 | } else if (acb->rqbuf_getIndex != |
2213 | acb->rqbuf_putIndex) { | |
2214 | acb->rqbuf_getIndex = 0; | |
2215 | acb->rqbuf_putIndex = 0; | |
bb263c4e CH |
2216 | mdelay(30); |
2217 | } else | |
2218 | break; | |
1c57e86d EC |
2219 | } |
2220 | } | |
2221 | } | |
2222 | ||
36b83ded | 2223 | static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb, |
bb263c4e | 2224 | struct scsi_cmnd *cmd) |
1c57e86d | 2225 | { |
1c57e86d | 2226 | char *buffer; |
bb263c4e CH |
2227 | unsigned short use_sg; |
2228 | int retvalue = 0, transfer_len = 0; | |
2229 | unsigned long flags; | |
2230 | struct CMD_MESSAGE_FIELD *pcmdmessagefld; | |
2231 | uint32_t controlcode = (uint32_t)cmd->cmnd[5] << 24 | | |
2232 | (uint32_t)cmd->cmnd[6] << 16 | | |
2233 | (uint32_t)cmd->cmnd[7] << 8 | | |
2234 | (uint32_t)cmd->cmnd[8]; | |
deff2627 | 2235 | struct scatterlist *sg; |
bb263c4e CH |
2236 | |
2237 | use_sg = scsi_sg_count(cmd); | |
deff2627 | 2238 | sg = scsi_sglist(cmd); |
77dfce07 | 2239 | buffer = kmap_atomic(sg_page(sg)) + sg->offset; |
bb263c4e | 2240 | if (use_sg > 1) { |
deff2627 FT |
2241 | retvalue = ARCMSR_MESSAGE_FAIL; |
2242 | goto message_out; | |
1c57e86d | 2243 | } |
deff2627 | 2244 | transfer_len += sg->length; |
1c57e86d EC |
2245 | if (transfer_len > sizeof(struct CMD_MESSAGE_FIELD)) { |
2246 | retvalue = ARCMSR_MESSAGE_FAIL; | |
bb263c4e | 2247 | pr_info("%s: ARCMSR_MESSAGE_FAIL!\n", __func__); |
1c57e86d EC |
2248 | goto message_out; |
2249 | } | |
bb263c4e CH |
2250 | pcmdmessagefld = (struct CMD_MESSAGE_FIELD *)buffer; |
2251 | switch (controlcode) { | |
1c57e86d | 2252 | case ARCMSR_MESSAGE_READ_RQBUFFER: { |
69e562c2 | 2253 | unsigned char *ver_addr; |
2e9feb43 | 2254 | uint8_t *ptmpQbuffer; |
bb263c4e | 2255 | uint32_t allxfer_len = 0; |
2e9feb43 | 2256 | ver_addr = kmalloc(ARCMSR_API_DATA_BUFLEN, GFP_ATOMIC); |
69e562c2 | 2257 | if (!ver_addr) { |
1a4f550a | 2258 | retvalue = ARCMSR_MESSAGE_FAIL; |
bb263c4e | 2259 | pr_info("%s: memory not enough!\n", __func__); |
1a4f550a NC |
2260 | goto message_out; |
2261 | } | |
69e562c2 | 2262 | ptmpQbuffer = ver_addr; |
bb263c4e | 2263 | spin_lock_irqsave(&acb->rqbuffer_lock, flags); |
2e9feb43 CH |
2264 | if (acb->rqbuf_getIndex != acb->rqbuf_putIndex) { |
2265 | unsigned int tail = acb->rqbuf_getIndex; | |
2266 | unsigned int head = acb->rqbuf_putIndex; | |
2267 | unsigned int cnt_to_end = CIRC_CNT_TO_END(head, tail, ARCMSR_MAX_QBUFFER); | |
2268 | ||
2269 | allxfer_len = CIRC_CNT(head, tail, ARCMSR_MAX_QBUFFER); | |
2270 | if (allxfer_len > ARCMSR_API_DATA_BUFLEN) | |
2271 | allxfer_len = ARCMSR_API_DATA_BUFLEN; | |
2272 | ||
2273 | if (allxfer_len <= cnt_to_end) | |
2274 | memcpy(ptmpQbuffer, acb->rqbuffer + tail, allxfer_len); | |
2275 | else { | |
2276 | memcpy(ptmpQbuffer, acb->rqbuffer + tail, cnt_to_end); | |
2277 | memcpy(ptmpQbuffer + cnt_to_end, acb->rqbuffer, allxfer_len - cnt_to_end); | |
bb263c4e | 2278 | } |
2e9feb43 | 2279 | acb->rqbuf_getIndex = (acb->rqbuf_getIndex + allxfer_len) % ARCMSR_MAX_QBUFFER; |
1a4f550a | 2280 | } |
bb263c4e CH |
2281 | memcpy(pcmdmessagefld->messagedatabuffer, ver_addr, |
2282 | allxfer_len); | |
1a4f550a | 2283 | if (acb->acb_flags & ACB_F_IOPDATA_OVERFLOW) { |
80da1adb | 2284 | struct QBUFFER __iomem *prbuffer; |
1a4f550a NC |
2285 | acb->acb_flags &= ~ACB_F_IOPDATA_OVERFLOW; |
2286 | prbuffer = arcmsr_get_iop_rqbuffer(acb); | |
bb263c4e CH |
2287 | if (arcmsr_Read_iop_rqbuffer_data(acb, prbuffer) == 0) |
2288 | acb->acb_flags |= ACB_F_IOPDATA_OVERFLOW; | |
ae52e7f0 | 2289 | } |
bb263c4e | 2290 | spin_unlock_irqrestore(&acb->rqbuffer_lock, flags); |
69e562c2 | 2291 | kfree(ver_addr); |
bb263c4e CH |
2292 | pcmdmessagefld->cmdmessage.Length = allxfer_len; |
2293 | if (acb->fw_flag == FW_DEADLOCK) | |
2294 | pcmdmessagefld->cmdmessage.ReturnCode = | |
2295 | ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON; | |
2296 | else | |
2297 | pcmdmessagefld->cmdmessage.ReturnCode = | |
2298 | ARCMSR_MESSAGE_RETURNCODE_OK; | |
1c57e86d | 2299 | break; |
bb263c4e | 2300 | } |
1a4f550a | 2301 | case ARCMSR_MESSAGE_WRITE_WQBUFFER: { |
69e562c2 | 2302 | unsigned char *ver_addr; |
2e9feb43 | 2303 | int32_t user_len, cnt2end; |
1a4f550a | 2304 | uint8_t *pQbuffer, *ptmpuserbuffer; |
2e9feb43 | 2305 | ver_addr = kmalloc(ARCMSR_API_DATA_BUFLEN, GFP_ATOMIC); |
69e562c2 | 2306 | if (!ver_addr) { |
1a4f550a NC |
2307 | retvalue = ARCMSR_MESSAGE_FAIL; |
2308 | goto message_out; | |
2309 | } | |
69e562c2 | 2310 | ptmpuserbuffer = ver_addr; |
1a4f550a | 2311 | user_len = pcmdmessagefld->cmdmessage.Length; |
bb263c4e CH |
2312 | memcpy(ptmpuserbuffer, |
2313 | pcmdmessagefld->messagedatabuffer, user_len); | |
2314 | spin_lock_irqsave(&acb->wqbuffer_lock, flags); | |
2e9feb43 | 2315 | if (acb->wqbuf_putIndex != acb->wqbuf_getIndex) { |
1a4f550a NC |
2316 | struct SENSE_DATA *sensebuffer = |
2317 | (struct SENSE_DATA *)cmd->sense_buffer; | |
bb263c4e | 2318 | arcmsr_write_ioctldata2iop(acb); |
1a4f550a | 2319 | /* has error report sensedata */ |
bb263c4e | 2320 | sensebuffer->ErrorCode = SCSI_SENSE_CURRENT_ERRORS; |
1a4f550a NC |
2321 | sensebuffer->SenseKey = ILLEGAL_REQUEST; |
2322 | sensebuffer->AdditionalSenseLength = 0x0A; | |
2323 | sensebuffer->AdditionalSenseCode = 0x20; | |
2324 | sensebuffer->Valid = 1; | |
2325 | retvalue = ARCMSR_MESSAGE_FAIL; | |
2326 | } else { | |
2e9feb43 CH |
2327 | pQbuffer = &acb->wqbuffer[acb->wqbuf_putIndex]; |
2328 | cnt2end = ARCMSR_MAX_QBUFFER - acb->wqbuf_putIndex; | |
2329 | if (user_len > cnt2end) { | |
2330 | memcpy(pQbuffer, ptmpuserbuffer, cnt2end); | |
2331 | ptmpuserbuffer += cnt2end; | |
2332 | user_len -= cnt2end; | |
2333 | acb->wqbuf_putIndex = 0; | |
2334 | pQbuffer = acb->wqbuffer; | |
2335 | } | |
2336 | memcpy(pQbuffer, ptmpuserbuffer, user_len); | |
2337 | acb->wqbuf_putIndex += user_len; | |
2338 | acb->wqbuf_putIndex %= ARCMSR_MAX_QBUFFER; | |
2339 | if (acb->acb_flags & ACB_F_MESSAGE_WQBUFFER_CLEARED) { | |
2340 | acb->acb_flags &= | |
1a4f550a | 2341 | ~ACB_F_MESSAGE_WQBUFFER_CLEARED; |
2e9feb43 | 2342 | arcmsr_write_ioctldata2iop(acb); |
1a4f550a | 2343 | } |
1c57e86d | 2344 | } |
bb263c4e CH |
2345 | spin_unlock_irqrestore(&acb->wqbuffer_lock, flags); |
2346 | kfree(ver_addr); | |
2347 | if (acb->fw_flag == FW_DEADLOCK) | |
2348 | pcmdmessagefld->cmdmessage.ReturnCode = | |
2349 | ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON; | |
2350 | else | |
2351 | pcmdmessagefld->cmdmessage.ReturnCode = | |
2352 | ARCMSR_MESSAGE_RETURNCODE_OK; | |
1c57e86d | 2353 | break; |
bb263c4e | 2354 | } |
1c57e86d | 2355 | case ARCMSR_MESSAGE_CLEAR_RQBUFFER: { |
1a4f550a | 2356 | uint8_t *pQbuffer = acb->rqbuffer; |
bb263c4e CH |
2357 | |
2358 | arcmsr_clear_iop2drv_rqueue_buffer(acb); | |
2359 | spin_lock_irqsave(&acb->rqbuffer_lock, flags); | |
1a4f550a | 2360 | acb->acb_flags |= ACB_F_MESSAGE_RQBUFFER_CLEARED; |
2e9feb43 CH |
2361 | acb->rqbuf_getIndex = 0; |
2362 | acb->rqbuf_putIndex = 0; | |
1a4f550a | 2363 | memset(pQbuffer, 0, ARCMSR_MAX_QBUFFER); |
bb263c4e CH |
2364 | spin_unlock_irqrestore(&acb->rqbuffer_lock, flags); |
2365 | if (acb->fw_flag == FW_DEADLOCK) | |
ae52e7f0 | 2366 | pcmdmessagefld->cmdmessage.ReturnCode = |
bb263c4e CH |
2367 | ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON; |
2368 | else | |
ae52e7f0 | 2369 | pcmdmessagefld->cmdmessage.ReturnCode = |
bb263c4e | 2370 | ARCMSR_MESSAGE_RETURNCODE_OK; |
1c57e86d | 2371 | break; |
bb263c4e | 2372 | } |
1c57e86d | 2373 | case ARCMSR_MESSAGE_CLEAR_WQBUFFER: { |
1a4f550a | 2374 | uint8_t *pQbuffer = acb->wqbuffer; |
bb263c4e CH |
2375 | spin_lock_irqsave(&acb->wqbuffer_lock, flags); |
2376 | acb->acb_flags |= (ACB_F_MESSAGE_WQBUFFER_CLEARED | | |
2377 | ACB_F_MESSAGE_WQBUFFER_READED); | |
2e9feb43 CH |
2378 | acb->wqbuf_getIndex = 0; |
2379 | acb->wqbuf_putIndex = 0; | |
1a4f550a | 2380 | memset(pQbuffer, 0, ARCMSR_MAX_QBUFFER); |
bb263c4e CH |
2381 | spin_unlock_irqrestore(&acb->wqbuffer_lock, flags); |
2382 | if (acb->fw_flag == FW_DEADLOCK) | |
2383 | pcmdmessagefld->cmdmessage.ReturnCode = | |
2384 | ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON; | |
2385 | else | |
2386 | pcmdmessagefld->cmdmessage.ReturnCode = | |
2387 | ARCMSR_MESSAGE_RETURNCODE_OK; | |
1c57e86d | 2388 | break; |
bb263c4e | 2389 | } |
1c57e86d | 2390 | case ARCMSR_MESSAGE_CLEAR_ALLQBUFFER: { |
1a4f550a | 2391 | uint8_t *pQbuffer; |
bb263c4e CH |
2392 | arcmsr_clear_iop2drv_rqueue_buffer(acb); |
2393 | spin_lock_irqsave(&acb->rqbuffer_lock, flags); | |
2394 | acb->acb_flags |= ACB_F_MESSAGE_RQBUFFER_CLEARED; | |
2e9feb43 CH |
2395 | acb->rqbuf_getIndex = 0; |
2396 | acb->rqbuf_putIndex = 0; | |
1a4f550a NC |
2397 | pQbuffer = acb->rqbuffer; |
2398 | memset(pQbuffer, 0, sizeof(struct QBUFFER)); | |
bb263c4e CH |
2399 | spin_unlock_irqrestore(&acb->rqbuffer_lock, flags); |
2400 | spin_lock_irqsave(&acb->wqbuffer_lock, flags); | |
2401 | acb->acb_flags |= (ACB_F_MESSAGE_WQBUFFER_CLEARED | | |
2402 | ACB_F_MESSAGE_WQBUFFER_READED); | |
2e9feb43 CH |
2403 | acb->wqbuf_getIndex = 0; |
2404 | acb->wqbuf_putIndex = 0; | |
1a4f550a NC |
2405 | pQbuffer = acb->wqbuffer; |
2406 | memset(pQbuffer, 0, sizeof(struct QBUFFER)); | |
bb263c4e CH |
2407 | spin_unlock_irqrestore(&acb->wqbuffer_lock, flags); |
2408 | if (acb->fw_flag == FW_DEADLOCK) | |
ae52e7f0 | 2409 | pcmdmessagefld->cmdmessage.ReturnCode = |
bb263c4e CH |
2410 | ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON; |
2411 | else | |
ae52e7f0 | 2412 | pcmdmessagefld->cmdmessage.ReturnCode = |
bb263c4e | 2413 | ARCMSR_MESSAGE_RETURNCODE_OK; |
1c57e86d | 2414 | break; |
bb263c4e | 2415 | } |
1c57e86d | 2416 | case ARCMSR_MESSAGE_RETURN_CODE_3F: { |
bb263c4e | 2417 | if (acb->fw_flag == FW_DEADLOCK) |
36b83ded | 2418 | pcmdmessagefld->cmdmessage.ReturnCode = |
bb263c4e CH |
2419 | ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON; |
2420 | else | |
ae52e7f0 | 2421 | pcmdmessagefld->cmdmessage.ReturnCode = |
bb263c4e | 2422 | ARCMSR_MESSAGE_RETURNCODE_3F; |
1c57e86d | 2423 | break; |
bb263c4e | 2424 | } |
1c57e86d | 2425 | case ARCMSR_MESSAGE_SAY_HELLO: { |
1a4f550a | 2426 | int8_t *hello_string = "Hello! I am ARCMSR"; |
bb263c4e | 2427 | if (acb->fw_flag == FW_DEADLOCK) |
36b83ded | 2428 | pcmdmessagefld->cmdmessage.ReturnCode = |
bb263c4e CH |
2429 | ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON; |
2430 | else | |
ae52e7f0 | 2431 | pcmdmessagefld->cmdmessage.ReturnCode = |
bb263c4e CH |
2432 | ARCMSR_MESSAGE_RETURNCODE_OK; |
2433 | memcpy(pcmdmessagefld->messagedatabuffer, | |
2434 | hello_string, (int16_t)strlen(hello_string)); | |
1c57e86d | 2435 | break; |
bb263c4e CH |
2436 | } |
2437 | case ARCMSR_MESSAGE_SAY_GOODBYE: { | |
2438 | if (acb->fw_flag == FW_DEADLOCK) | |
36b83ded | 2439 | pcmdmessagefld->cmdmessage.ReturnCode = |
bb263c4e CH |
2440 | ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON; |
2441 | else | |
2442 | pcmdmessagefld->cmdmessage.ReturnCode = | |
2443 | ARCMSR_MESSAGE_RETURNCODE_OK; | |
1c57e86d EC |
2444 | arcmsr_iop_parking(acb); |
2445 | break; | |
bb263c4e CH |
2446 | } |
2447 | case ARCMSR_MESSAGE_FLUSH_ADAPTER_CACHE: { | |
2448 | if (acb->fw_flag == FW_DEADLOCK) | |
36b83ded | 2449 | pcmdmessagefld->cmdmessage.ReturnCode = |
bb263c4e CH |
2450 | ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON; |
2451 | else | |
2452 | pcmdmessagefld->cmdmessage.ReturnCode = | |
2453 | ARCMSR_MESSAGE_RETURNCODE_OK; | |
1c57e86d EC |
2454 | arcmsr_flush_adapter_cache(acb); |
2455 | break; | |
bb263c4e | 2456 | } |
1c57e86d EC |
2457 | default: |
2458 | retvalue = ARCMSR_MESSAGE_FAIL; | |
bb263c4e CH |
2459 | pr_info("%s: unknown controlcode!\n", __func__); |
2460 | } | |
2461 | message_out: | |
2462 | if (use_sg) { | |
2463 | struct scatterlist *sg = scsi_sglist(cmd); | |
2464 | kunmap_atomic(buffer - sg->offset); | |
1c57e86d | 2465 | } |
1c57e86d EC |
2466 | return retvalue; |
2467 | } | |
2468 | ||
2469 | static struct CommandControlBlock *arcmsr_get_freeccb(struct AdapterControlBlock *acb) | |
2470 | { | |
2471 | struct list_head *head = &acb->ccb_free_list; | |
2472 | struct CommandControlBlock *ccb = NULL; | |
ae52e7f0 NC |
2473 | unsigned long flags; |
2474 | spin_lock_irqsave(&acb->ccblist_lock, flags); | |
1c57e86d EC |
2475 | if (!list_empty(head)) { |
2476 | ccb = list_entry(head->next, struct CommandControlBlock, list); | |
ae52e7f0 | 2477 | list_del_init(&ccb->list); |
cdd3cb15 | 2478 | }else{ |
ae52e7f0 | 2479 | spin_unlock_irqrestore(&acb->ccblist_lock, flags); |
c10b1d54 | 2480 | return NULL; |
1c57e86d | 2481 | } |
ae52e7f0 | 2482 | spin_unlock_irqrestore(&acb->ccblist_lock, flags); |
1c57e86d EC |
2483 | return ccb; |
2484 | } | |
2485 | ||
2486 | static void arcmsr_handle_virtual_command(struct AdapterControlBlock *acb, | |
2487 | struct scsi_cmnd *cmd) | |
2488 | { | |
2489 | switch (cmd->cmnd[0]) { | |
2490 | case INQUIRY: { | |
2491 | unsigned char inqdata[36]; | |
2492 | char *buffer; | |
deff2627 | 2493 | struct scatterlist *sg; |
1c57e86d EC |
2494 | |
2495 | if (cmd->device->lun) { | |
2496 | cmd->result = (DID_TIME_OUT << 16); | |
2497 | cmd->scsi_done(cmd); | |
2498 | return; | |
2499 | } | |
2500 | inqdata[0] = TYPE_PROCESSOR; | |
2501 | /* Periph Qualifier & Periph Dev Type */ | |
2502 | inqdata[1] = 0; | |
2503 | /* rem media bit & Dev Type Modifier */ | |
2504 | inqdata[2] = 0; | |
a1f6e021 | 2505 | /* ISO, ECMA, & ANSI versions */ |
1c57e86d EC |
2506 | inqdata[4] = 31; |
2507 | /* length of additional data */ | |
2508 | strncpy(&inqdata[8], "Areca ", 8); | |
2509 | /* Vendor Identification */ | |
2510 | strncpy(&inqdata[16], "RAID controller ", 16); | |
2511 | /* Product Identification */ | |
2512 | strncpy(&inqdata[32], "R001", 4); /* Product Revision */ | |
1c57e86d | 2513 | |
deff2627 | 2514 | sg = scsi_sglist(cmd); |
77dfce07 | 2515 | buffer = kmap_atomic(sg_page(sg)) + sg->offset; |
deff2627 | 2516 | |
1c57e86d | 2517 | memcpy(buffer, inqdata, sizeof(inqdata)); |
deff2627 | 2518 | sg = scsi_sglist(cmd); |
77dfce07 | 2519 | kunmap_atomic(buffer - sg->offset); |
1c57e86d | 2520 | |
1c57e86d EC |
2521 | cmd->scsi_done(cmd); |
2522 | } | |
2523 | break; | |
2524 | case WRITE_BUFFER: | |
2525 | case READ_BUFFER: { | |
2526 | if (arcmsr_iop_message_xfer(acb, cmd)) | |
2527 | cmd->result = (DID_ERROR << 16); | |
2528 | cmd->scsi_done(cmd); | |
2529 | } | |
2530 | break; | |
2531 | default: | |
2532 | cmd->scsi_done(cmd); | |
2533 | } | |
2534 | } | |
2535 | ||
f281233d | 2536 | static int arcmsr_queue_command_lck(struct scsi_cmnd *cmd, |
1c57e86d EC |
2537 | void (* done)(struct scsi_cmnd *)) |
2538 | { | |
2539 | struct Scsi_Host *host = cmd->device->host; | |
1a4f550a | 2540 | struct AdapterControlBlock *acb = (struct AdapterControlBlock *) host->hostdata; |
1c57e86d EC |
2541 | struct CommandControlBlock *ccb; |
2542 | int target = cmd->device->id; | |
2543 | int lun = cmd->device->lun; | |
36b83ded | 2544 | uint8_t scsicmd = cmd->cmnd[0]; |
1c57e86d EC |
2545 | cmd->scsi_done = done; |
2546 | cmd->host_scribble = NULL; | |
2547 | cmd->result = 0; | |
cdd3cb15 NC |
2548 | if ((scsicmd == SYNCHRONIZE_CACHE) ||(scsicmd == SEND_DIAGNOSTIC)){ |
2549 | if(acb->devstate[target][lun] == ARECA_RAID_GONE) { | |
2550 | cmd->result = (DID_NO_CONNECT << 16); | |
36b83ded NC |
2551 | } |
2552 | cmd->scsi_done(cmd); | |
2553 | return 0; | |
2554 | } | |
a1f6e021 | 2555 | if (target == 16) { |
1c57e86d EC |
2556 | /* virtual device for iop message transfer */ |
2557 | arcmsr_handle_virtual_command(acb, cmd); | |
2558 | return 0; | |
2559 | } | |
1c57e86d EC |
2560 | ccb = arcmsr_get_freeccb(acb); |
2561 | if (!ccb) | |
2562 | return SCSI_MLQUEUE_HOST_BUSY; | |
cdd3cb15 | 2563 | if (arcmsr_build_ccb( acb, ccb, cmd ) == FAILED) { |
76d78300 NC |
2564 | cmd->result = (DID_ERROR << 16) | (RESERVATION_CONFLICT << 1); |
2565 | cmd->scsi_done(cmd); | |
2566 | return 0; | |
2567 | } | |
1c57e86d EC |
2568 | arcmsr_post_ccb(acb, ccb); |
2569 | return 0; | |
2570 | } | |
2571 | ||
f281233d JG |
2572 | static DEF_SCSI_QCMD(arcmsr_queue_command) |
2573 | ||
626fa32c | 2574 | static bool arcmsr_hbaA_get_config(struct AdapterControlBlock *acb) |
1c57e86d | 2575 | { |
80da1adb | 2576 | struct MessageUnit_A __iomem *reg = acb->pmuA; |
1c57e86d EC |
2577 | char *acb_firm_model = acb->firm_model; |
2578 | char *acb_firm_version = acb->firm_version; | |
36b83ded | 2579 | char *acb_device_map = acb->device_map; |
80da1adb AV |
2580 | char __iomem *iop_firm_model = (char __iomem *)(®->message_rwbuffer[15]); |
2581 | char __iomem *iop_firm_version = (char __iomem *)(®->message_rwbuffer[17]); | |
cdd3cb15 | 2582 | char __iomem *iop_device_map = (char __iomem *)(®->message_rwbuffer[21]); |
1c57e86d | 2583 | int count; |
1c57e86d | 2584 | writel(ARCMSR_INBOUND_MESG0_GET_CONFIG, ®->inbound_msgaddr0); |
626fa32c | 2585 | if (!arcmsr_hbaA_wait_msgint_ready(acb)) { |
1a4f550a NC |
2586 | printk(KERN_NOTICE "arcmsr%d: wait 'get adapter firmware \ |
2587 | miscellaneous data' timeout \n", acb->host->host_no); | |
ae52e7f0 | 2588 | return false; |
1a4f550a | 2589 | } |
1c57e86d | 2590 | count = 8; |
cdd3cb15 | 2591 | while (count){ |
1c57e86d EC |
2592 | *acb_firm_model = readb(iop_firm_model); |
2593 | acb_firm_model++; | |
2594 | iop_firm_model++; | |
2595 | count--; | |
2596 | } | |
1a4f550a | 2597 | |
1c57e86d | 2598 | count = 16; |
cdd3cb15 | 2599 | while (count){ |
1c57e86d EC |
2600 | *acb_firm_version = readb(iop_firm_version); |
2601 | acb_firm_version++; | |
2602 | iop_firm_version++; | |
2603 | count--; | |
2604 | } | |
1a4f550a | 2605 | |
cdd3cb15 NC |
2606 | count=16; |
2607 | while(count){ | |
2608 | *acb_device_map = readb(iop_device_map); | |
2609 | acb_device_map++; | |
2610 | iop_device_map++; | |
2611 | count--; | |
2612 | } | |
a2c89bbc | 2613 | pr_notice("Areca RAID Controller%d: Model %s, F/W %s\n", |
ae52e7f0 | 2614 | acb->host->host_no, |
a2c89bbc CH |
2615 | acb->firm_model, |
2616 | acb->firm_version); | |
cdd3cb15 | 2617 | acb->signature = readl(®->message_rwbuffer[0]); |
1c57e86d EC |
2618 | acb->firm_request_len = readl(®->message_rwbuffer[1]); |
2619 | acb->firm_numbers_queue = readl(®->message_rwbuffer[2]); | |
2620 | acb->firm_sdram_size = readl(®->message_rwbuffer[3]); | |
2621 | acb->firm_hd_channels = readl(®->message_rwbuffer[4]); | |
ae52e7f0 NC |
2622 | acb->firm_cfg_version = readl(®->message_rwbuffer[25]); /*firm_cfg_version,25,100-103*/ |
2623 | return true; | |
1c57e86d | 2624 | } |
626fa32c | 2625 | static bool arcmsr_hbaB_get_config(struct AdapterControlBlock *acb) |
1a4f550a | 2626 | { |
80da1adb | 2627 | struct MessageUnit_B *reg = acb->pmuB; |
ae52e7f0 NC |
2628 | struct pci_dev *pdev = acb->pdev; |
2629 | void *dma_coherent; | |
2630 | dma_addr_t dma_coherent_handle; | |
1a4f550a NC |
2631 | char *acb_firm_model = acb->firm_model; |
2632 | char *acb_firm_version = acb->firm_version; | |
36b83ded | 2633 | char *acb_device_map = acb->device_map; |
ae52e7f0 | 2634 | char __iomem *iop_firm_model; |
1a4f550a | 2635 | /*firm_model,15,60-67*/ |
ae52e7f0 | 2636 | char __iomem *iop_firm_version; |
1a4f550a | 2637 | /*firm_version,17,68-83*/ |
ae52e7f0 | 2638 | char __iomem *iop_device_map; |
36b83ded | 2639 | /*firm_version,21,84-99*/ |
1a4f550a | 2640 | int count; |
6e38adfc CH |
2641 | |
2642 | acb->roundup_ccbsize = roundup(sizeof(struct MessageUnit_B), 32); | |
2643 | dma_coherent = dma_alloc_coherent(&pdev->dev, acb->roundup_ccbsize, | |
2644 | &dma_coherent_handle, GFP_KERNEL); | |
cdd3cb15 | 2645 | if (!dma_coherent){ |
6e38adfc CH |
2646 | printk(KERN_NOTICE |
2647 | "arcmsr%d: dma_alloc_coherent got error for hbb mu\n", | |
2648 | acb->host->host_no); | |
ae52e7f0 NC |
2649 | return false; |
2650 | } | |
626fa32c | 2651 | acb->dma_coherent_handle2 = dma_coherent_handle; |
6e38adfc | 2652 | acb->dma_coherent2 = dma_coherent; |
ae52e7f0 NC |
2653 | reg = (struct MessageUnit_B *)dma_coherent; |
2654 | acb->pmuB = reg; | |
cdd3cb15 | 2655 | reg->drv2iop_doorbell= (uint32_t __iomem *)((unsigned long)acb->mem_base0 + ARCMSR_DRV2IOP_DOORBELL); |
ae52e7f0 NC |
2656 | reg->drv2iop_doorbell_mask = (uint32_t __iomem *)((unsigned long)acb->mem_base0 + ARCMSR_DRV2IOP_DOORBELL_MASK); |
2657 | reg->iop2drv_doorbell = (uint32_t __iomem *)((unsigned long)acb->mem_base0 + ARCMSR_IOP2DRV_DOORBELL); | |
2658 | reg->iop2drv_doorbell_mask = (uint32_t __iomem *)((unsigned long)acb->mem_base0 + ARCMSR_IOP2DRV_DOORBELL_MASK); | |
2659 | reg->message_wbuffer = (uint32_t __iomem *)((unsigned long)acb->mem_base1 + ARCMSR_MESSAGE_WBUFFER); | |
2660 | reg->message_rbuffer = (uint32_t __iomem *)((unsigned long)acb->mem_base1 + ARCMSR_MESSAGE_RBUFFER); | |
2661 | reg->message_rwbuffer = (uint32_t __iomem *)((unsigned long)acb->mem_base1 + ARCMSR_MESSAGE_RWBUFFER); | |
2662 | iop_firm_model = (char __iomem *)(®->message_rwbuffer[15]); /*firm_model,15,60-67*/ | |
2663 | iop_firm_version = (char __iomem *)(®->message_rwbuffer[17]); /*firm_version,17,68-83*/ | |
2664 | iop_device_map = (char __iomem *)(®->message_rwbuffer[21]); /*firm_version,21,84-99*/ | |
2665 | ||
2666 | writel(ARCMSR_MESSAGE_GET_CONFIG, reg->drv2iop_doorbell); | |
626fa32c | 2667 | if (!arcmsr_hbaB_wait_msgint_ready(acb)) { |
1a4f550a NC |
2668 | printk(KERN_NOTICE "arcmsr%d: wait 'get adapter firmware \ |
2669 | miscellaneous data' timeout \n", acb->host->host_no); | |
ae52e7f0 | 2670 | return false; |
1a4f550a | 2671 | } |
1a4f550a | 2672 | count = 8; |
cdd3cb15 | 2673 | while (count){ |
1a4f550a NC |
2674 | *acb_firm_model = readb(iop_firm_model); |
2675 | acb_firm_model++; | |
2676 | iop_firm_model++; | |
2677 | count--; | |
2678 | } | |
1a4f550a | 2679 | count = 16; |
cdd3cb15 | 2680 | while (count){ |
1a4f550a NC |
2681 | *acb_firm_version = readb(iop_firm_version); |
2682 | acb_firm_version++; | |
2683 | iop_firm_version++; | |
2684 | count--; | |
2685 | } | |
2686 | ||
cdd3cb15 NC |
2687 | count = 16; |
2688 | while(count){ | |
2689 | *acb_device_map = readb(iop_device_map); | |
2690 | acb_device_map++; | |
2691 | iop_device_map++; | |
2692 | count--; | |
2693 | } | |
2694 | ||
a2c89bbc | 2695 | pr_notice("Areca RAID Controller%d: Model %s, F/W %s\n", |
cdd3cb15 | 2696 | acb->host->host_no, |
a2c89bbc CH |
2697 | acb->firm_model, |
2698 | acb->firm_version); | |
1a4f550a | 2699 | |
ae52e7f0 | 2700 | acb->signature = readl(®->message_rwbuffer[1]); |
cdd3cb15 | 2701 | /*firm_signature,1,00-03*/ |
ae52e7f0 | 2702 | acb->firm_request_len = readl(®->message_rwbuffer[2]); |
1a4f550a | 2703 | /*firm_request_len,1,04-07*/ |
ae52e7f0 | 2704 | acb->firm_numbers_queue = readl(®->message_rwbuffer[3]); |
1a4f550a | 2705 | /*firm_numbers_queue,2,08-11*/ |
ae52e7f0 | 2706 | acb->firm_sdram_size = readl(®->message_rwbuffer[4]); |
1a4f550a | 2707 | /*firm_sdram_size,3,12-15*/ |
ae52e7f0 | 2708 | acb->firm_hd_channels = readl(®->message_rwbuffer[5]); |
1a4f550a | 2709 | /*firm_ide_channels,4,16-19*/ |
ae52e7f0 NC |
2710 | acb->firm_cfg_version = readl(®->message_rwbuffer[25]); /*firm_cfg_version,25,100-103*/ |
2711 | /*firm_ide_channels,4,16-19*/ | |
2712 | return true; | |
1a4f550a | 2713 | } |
cdd3cb15 | 2714 | |
626fa32c | 2715 | static bool arcmsr_hbaC_get_config(struct AdapterControlBlock *pACB) |
cdd3cb15 NC |
2716 | { |
2717 | uint32_t intmask_org, Index, firmware_state = 0; | |
c10b1d54 | 2718 | struct MessageUnit_C __iomem *reg = pACB->pmuC; |
cdd3cb15 NC |
2719 | char *acb_firm_model = pACB->firm_model; |
2720 | char *acb_firm_version = pACB->firm_version; | |
c10b1d54 CH |
2721 | char __iomem *iop_firm_model = (char __iomem *)(®->msgcode_rwbuffer[15]); /*firm_model,15,60-67*/ |
2722 | char __iomem *iop_firm_version = (char __iomem *)(®->msgcode_rwbuffer[17]); /*firm_version,17,68-83*/ | |
cdd3cb15 NC |
2723 | int count; |
2724 | /* disable all outbound interrupt */ | |
2725 | intmask_org = readl(®->host_int_mask); /* disable outbound message0 int */ | |
2726 | writel(intmask_org|ARCMSR_HBCMU_ALL_INTMASKENABLE, ®->host_int_mask); | |
2727 | /* wait firmware ready */ | |
2728 | do { | |
2729 | firmware_state = readl(®->outbound_msgaddr1); | |
2730 | } while ((firmware_state & ARCMSR_HBCMU_MESSAGE_FIRMWARE_OK) == 0); | |
2731 | /* post "get config" instruction */ | |
2732 | writel(ARCMSR_INBOUND_MESG0_GET_CONFIG, ®->inbound_msgaddr0); | |
2733 | writel(ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE, ®->inbound_doorbell); | |
2734 | /* wait message ready */ | |
2735 | for (Index = 0; Index < 2000; Index++) { | |
2736 | if (readl(®->outbound_doorbell) & ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE) { | |
2737 | writel(ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE_DOORBELL_CLEAR, ®->outbound_doorbell_clear);/*clear interrupt*/ | |
2738 | break; | |
2739 | } | |
2740 | udelay(10); | |
2741 | } /*max 1 seconds*/ | |
2742 | if (Index >= 2000) { | |
2743 | printk(KERN_NOTICE "arcmsr%d: wait 'get adapter firmware \ | |
2744 | miscellaneous data' timeout \n", pACB->host->host_no); | |
2745 | return false; | |
2746 | } | |
2747 | count = 8; | |
2748 | while (count) { | |
2749 | *acb_firm_model = readb(iop_firm_model); | |
2750 | acb_firm_model++; | |
2751 | iop_firm_model++; | |
2752 | count--; | |
2753 | } | |
2754 | count = 16; | |
2755 | while (count) { | |
2756 | *acb_firm_version = readb(iop_firm_version); | |
2757 | acb_firm_version++; | |
2758 | iop_firm_version++; | |
2759 | count--; | |
2760 | } | |
a2c89bbc | 2761 | pr_notice("Areca RAID Controller%d: Model %s, F/W %s\n", |
cdd3cb15 | 2762 | pACB->host->host_no, |
a2c89bbc CH |
2763 | pACB->firm_model, |
2764 | pACB->firm_version); | |
cdd3cb15 NC |
2765 | pACB->firm_request_len = readl(®->msgcode_rwbuffer[1]); /*firm_request_len,1,04-07*/ |
2766 | pACB->firm_numbers_queue = readl(®->msgcode_rwbuffer[2]); /*firm_numbers_queue,2,08-11*/ | |
2767 | pACB->firm_sdram_size = readl(®->msgcode_rwbuffer[3]); /*firm_sdram_size,3,12-15*/ | |
2768 | pACB->firm_hd_channels = readl(®->msgcode_rwbuffer[4]); /*firm_ide_channels,4,16-19*/ | |
2769 | pACB->firm_cfg_version = readl(®->msgcode_rwbuffer[25]); /*firm_cfg_version,25,100-103*/ | |
2770 | /*all interrupt service will be enable at arcmsr_iop_init*/ | |
2771 | return true; | |
2772 | } | |
5b37479a CH |
2773 | |
2774 | static bool arcmsr_hbaD_get_config(struct AdapterControlBlock *acb) | |
2775 | { | |
2776 | char *acb_firm_model = acb->firm_model; | |
2777 | char *acb_firm_version = acb->firm_version; | |
2778 | char *acb_device_map = acb->device_map; | |
2779 | char __iomem *iop_firm_model; | |
2780 | char __iomem *iop_firm_version; | |
2781 | char __iomem *iop_device_map; | |
2782 | u32 count; | |
3b8155d5 | 2783 | struct MessageUnit_D *reg; |
5b37479a CH |
2784 | void *dma_coherent2; |
2785 | dma_addr_t dma_coherent_handle2; | |
2786 | struct pci_dev *pdev = acb->pdev; | |
2787 | ||
2788 | acb->roundup_ccbsize = roundup(sizeof(struct MessageUnit_D), 32); | |
2789 | dma_coherent2 = dma_alloc_coherent(&pdev->dev, acb->roundup_ccbsize, | |
2790 | &dma_coherent_handle2, GFP_KERNEL); | |
2791 | if (!dma_coherent2) { | |
2792 | pr_notice("DMA allocation failed...\n"); | |
2793 | return false; | |
2794 | } | |
2795 | memset(dma_coherent2, 0, acb->roundup_ccbsize); | |
2796 | acb->dma_coherent_handle2 = dma_coherent_handle2; | |
2797 | acb->dma_coherent2 = dma_coherent2; | |
2798 | reg = (struct MessageUnit_D *)dma_coherent2; | |
2799 | acb->pmuD = reg; | |
2800 | reg->chip_id = acb->mem_base0 + ARCMSR_ARC1214_CHIP_ID; | |
2801 | reg->cpu_mem_config = acb->mem_base0 + | |
2802 | ARCMSR_ARC1214_CPU_MEMORY_CONFIGURATION; | |
2803 | reg->i2o_host_interrupt_mask = acb->mem_base0 + | |
2804 | ARCMSR_ARC1214_I2_HOST_INTERRUPT_MASK; | |
2805 | reg->sample_at_reset = acb->mem_base0 + ARCMSR_ARC1214_SAMPLE_RESET; | |
2806 | reg->reset_request = acb->mem_base0 + ARCMSR_ARC1214_RESET_REQUEST; | |
2807 | reg->host_int_status = acb->mem_base0 + | |
2808 | ARCMSR_ARC1214_MAIN_INTERRUPT_STATUS; | |
2809 | reg->pcief0_int_enable = acb->mem_base0 + | |
2810 | ARCMSR_ARC1214_PCIE_F0_INTERRUPT_ENABLE; | |
2811 | reg->inbound_msgaddr0 = acb->mem_base0 + | |
2812 | ARCMSR_ARC1214_INBOUND_MESSAGE0; | |
2813 | reg->inbound_msgaddr1 = acb->mem_base0 + | |
2814 | ARCMSR_ARC1214_INBOUND_MESSAGE1; | |
2815 | reg->outbound_msgaddr0 = acb->mem_base0 + | |
2816 | ARCMSR_ARC1214_OUTBOUND_MESSAGE0; | |
2817 | reg->outbound_msgaddr1 = acb->mem_base0 + | |
2818 | ARCMSR_ARC1214_OUTBOUND_MESSAGE1; | |
2819 | reg->inbound_doorbell = acb->mem_base0 + | |
2820 | ARCMSR_ARC1214_INBOUND_DOORBELL; | |
2821 | reg->outbound_doorbell = acb->mem_base0 + | |
2822 | ARCMSR_ARC1214_OUTBOUND_DOORBELL; | |
2823 | reg->outbound_doorbell_enable = acb->mem_base0 + | |
2824 | ARCMSR_ARC1214_OUTBOUND_DOORBELL_ENABLE; | |
2825 | reg->inboundlist_base_low = acb->mem_base0 + | |
2826 | ARCMSR_ARC1214_INBOUND_LIST_BASE_LOW; | |
2827 | reg->inboundlist_base_high = acb->mem_base0 + | |
2828 | ARCMSR_ARC1214_INBOUND_LIST_BASE_HIGH; | |
2829 | reg->inboundlist_write_pointer = acb->mem_base0 + | |
2830 | ARCMSR_ARC1214_INBOUND_LIST_WRITE_POINTER; | |
2831 | reg->outboundlist_base_low = acb->mem_base0 + | |
2832 | ARCMSR_ARC1214_OUTBOUND_LIST_BASE_LOW; | |
2833 | reg->outboundlist_base_high = acb->mem_base0 + | |
2834 | ARCMSR_ARC1214_OUTBOUND_LIST_BASE_HIGH; | |
2835 | reg->outboundlist_copy_pointer = acb->mem_base0 + | |
2836 | ARCMSR_ARC1214_OUTBOUND_LIST_COPY_POINTER; | |
2837 | reg->outboundlist_read_pointer = acb->mem_base0 + | |
2838 | ARCMSR_ARC1214_OUTBOUND_LIST_READ_POINTER; | |
2839 | reg->outboundlist_interrupt_cause = acb->mem_base0 + | |
2840 | ARCMSR_ARC1214_OUTBOUND_INTERRUPT_CAUSE; | |
2841 | reg->outboundlist_interrupt_enable = acb->mem_base0 + | |
2842 | ARCMSR_ARC1214_OUTBOUND_INTERRUPT_ENABLE; | |
2843 | reg->message_wbuffer = acb->mem_base0 + ARCMSR_ARC1214_MESSAGE_WBUFFER; | |
2844 | reg->message_rbuffer = acb->mem_base0 + ARCMSR_ARC1214_MESSAGE_RBUFFER; | |
2845 | reg->msgcode_rwbuffer = acb->mem_base0 + | |
2846 | ARCMSR_ARC1214_MESSAGE_RWBUFFER; | |
2847 | iop_firm_model = (char __iomem *)(®->msgcode_rwbuffer[15]); | |
2848 | iop_firm_version = (char __iomem *)(®->msgcode_rwbuffer[17]); | |
2849 | iop_device_map = (char __iomem *)(®->msgcode_rwbuffer[21]); | |
2850 | if (readl(acb->pmuD->outbound_doorbell) & | |
2851 | ARCMSR_ARC1214_IOP2DRV_MESSAGE_CMD_DONE) { | |
2852 | writel(ARCMSR_ARC1214_IOP2DRV_MESSAGE_CMD_DONE, | |
2853 | acb->pmuD->outbound_doorbell);/*clear interrupt*/ | |
2854 | } | |
2855 | /* post "get config" instruction */ | |
2856 | writel(ARCMSR_INBOUND_MESG0_GET_CONFIG, reg->inbound_msgaddr0); | |
2857 | /* wait message ready */ | |
2858 | if (!arcmsr_hbaD_wait_msgint_ready(acb)) { | |
2859 | pr_notice("arcmsr%d: wait get adapter firmware " | |
2860 | "miscellaneous data timeout\n", acb->host->host_no); | |
2861 | dma_free_coherent(&acb->pdev->dev, acb->roundup_ccbsize, | |
2862 | acb->dma_coherent2, acb->dma_coherent_handle2); | |
2863 | return false; | |
2864 | } | |
2865 | count = 8; | |
2866 | while (count) { | |
2867 | *acb_firm_model = readb(iop_firm_model); | |
2868 | acb_firm_model++; | |
2869 | iop_firm_model++; | |
2870 | count--; | |
2871 | } | |
2872 | count = 16; | |
2873 | while (count) { | |
2874 | *acb_firm_version = readb(iop_firm_version); | |
2875 | acb_firm_version++; | |
2876 | iop_firm_version++; | |
2877 | count--; | |
2878 | } | |
2879 | count = 16; | |
2880 | while (count) { | |
2881 | *acb_device_map = readb(iop_device_map); | |
2882 | acb_device_map++; | |
2883 | iop_device_map++; | |
2884 | count--; | |
2885 | } | |
2886 | acb->signature = readl(®->msgcode_rwbuffer[1]); | |
2887 | /*firm_signature,1,00-03*/ | |
2888 | acb->firm_request_len = readl(®->msgcode_rwbuffer[2]); | |
2889 | /*firm_request_len,1,04-07*/ | |
2890 | acb->firm_numbers_queue = readl(®->msgcode_rwbuffer[3]); | |
2891 | /*firm_numbers_queue,2,08-11*/ | |
2892 | acb->firm_sdram_size = readl(®->msgcode_rwbuffer[4]); | |
2893 | /*firm_sdram_size,3,12-15*/ | |
2894 | acb->firm_hd_channels = readl(®->msgcode_rwbuffer[5]); | |
2895 | /*firm_hd_channels,4,16-19*/ | |
2896 | acb->firm_cfg_version = readl(®->msgcode_rwbuffer[25]); | |
2897 | pr_notice("Areca RAID Controller%d: Model %s, F/W %s\n", | |
2898 | acb->host->host_no, | |
2899 | acb->firm_model, | |
2900 | acb->firm_version); | |
2901 | return true; | |
2902 | } | |
2903 | ||
ae52e7f0 | 2904 | static bool arcmsr_get_firmware_spec(struct AdapterControlBlock *acb) |
1a4f550a | 2905 | { |
3df824af CH |
2906 | bool rtn = false; |
2907 | ||
2908 | switch (acb->adapter_type) { | |
2909 | case ACB_ADAPTER_TYPE_A: | |
626fa32c | 2910 | rtn = arcmsr_hbaA_get_config(acb); |
3df824af CH |
2911 | break; |
2912 | case ACB_ADAPTER_TYPE_B: | |
626fa32c | 2913 | rtn = arcmsr_hbaB_get_config(acb); |
3df824af CH |
2914 | break; |
2915 | case ACB_ADAPTER_TYPE_C: | |
626fa32c | 2916 | rtn = arcmsr_hbaC_get_config(acb); |
3df824af | 2917 | break; |
5b37479a CH |
2918 | case ACB_ADAPTER_TYPE_D: |
2919 | rtn = arcmsr_hbaD_get_config(acb); | |
2920 | break; | |
3df824af CH |
2921 | default: |
2922 | break; | |
2923 | } | |
2924 | if (acb->firm_numbers_queue > ARCMSR_MAX_OUTSTANDING_CMD) | |
2925 | acb->maxOutstanding = ARCMSR_MAX_OUTSTANDING_CMD; | |
cdd3cb15 | 2926 | else |
3df824af CH |
2927 | acb->maxOutstanding = acb->firm_numbers_queue - 1; |
2928 | acb->host->can_queue = acb->maxOutstanding; | |
2929 | return rtn; | |
1a4f550a NC |
2930 | } |
2931 | ||
626fa32c | 2932 | static int arcmsr_hbaA_polling_ccbdone(struct AdapterControlBlock *acb, |
1c57e86d EC |
2933 | struct CommandControlBlock *poll_ccb) |
2934 | { | |
80da1adb | 2935 | struct MessageUnit_A __iomem *reg = acb->pmuA; |
1c57e86d | 2936 | struct CommandControlBlock *ccb; |
ae52e7f0 | 2937 | struct ARCMSR_CDB *arcmsr_cdb; |
1c57e86d | 2938 | uint32_t flag_ccb, outbound_intstatus, poll_ccb_done = 0, poll_count = 0; |
ae52e7f0 | 2939 | int rtn; |
cdd3cb15 | 2940 | bool error; |
1a4f550a | 2941 | polling_hba_ccb_retry: |
1c57e86d | 2942 | poll_count++; |
1a4f550a | 2943 | outbound_intstatus = readl(®->outbound_intstatus) & acb->outbound_int_enable; |
1c57e86d EC |
2944 | writel(outbound_intstatus, ®->outbound_intstatus);/*clear interrupt*/ |
2945 | while (1) { | |
2946 | if ((flag_ccb = readl(®->outbound_queueport)) == 0xFFFFFFFF) { | |
cdd3cb15 | 2947 | if (poll_ccb_done){ |
ae52e7f0 | 2948 | rtn = SUCCESS; |
1c57e86d | 2949 | break; |
cdd3cb15 NC |
2950 | }else { |
2951 | msleep(25); | |
2952 | if (poll_count > 100){ | |
ae52e7f0 | 2953 | rtn = FAILED; |
1c57e86d | 2954 | break; |
ae52e7f0 | 2955 | } |
1a4f550a | 2956 | goto polling_hba_ccb_retry; |
1c57e86d EC |
2957 | } |
2958 | } | |
ae52e7f0 NC |
2959 | arcmsr_cdb = (struct ARCMSR_CDB *)(acb->vir2phy_offset + (flag_ccb << 5)); |
2960 | ccb = container_of(arcmsr_cdb, struct CommandControlBlock, arcmsr_cdb); | |
cab5aece | 2961 | poll_ccb_done |= (ccb == poll_ccb) ? 1 : 0; |
1a4f550a NC |
2962 | if ((ccb->acb != acb) || (ccb->startdone != ARCMSR_CCB_START)) { |
2963 | if ((ccb->startdone == ARCMSR_CCB_ABORTED) || (ccb == poll_ccb)) { | |
2964 | printk(KERN_NOTICE "arcmsr%d: scsi id = %d lun = %d ccb = '0x%p'" | |
1c57e86d EC |
2965 | " poll command abort successfully \n" |
2966 | , acb->host->host_no | |
2967 | , ccb->pcmd->device->id | |
9cb78c16 | 2968 | , (u32)ccb->pcmd->device->lun |
1c57e86d EC |
2969 | , ccb); |
2970 | ccb->pcmd->result = DID_ABORT << 16; | |
ae52e7f0 | 2971 | arcmsr_ccb_complete(ccb); |
1c57e86d EC |
2972 | continue; |
2973 | } | |
1a4f550a NC |
2974 | printk(KERN_NOTICE "arcmsr%d: polling get an illegal ccb" |
2975 | " command done ccb = '0x%p'" | |
a1f6e021 | 2976 | "ccboutstandingcount = %d \n" |
1c57e86d EC |
2977 | , acb->host->host_no |
2978 | , ccb | |
2979 | , atomic_read(&acb->ccboutstandingcount)); | |
2980 | continue; | |
cdd3cb15 NC |
2981 | } |
2982 | error = (flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR_MODE0) ? true : false; | |
2983 | arcmsr_report_ccb_state(acb, ccb, error); | |
1a4f550a | 2984 | } |
ae52e7f0 NC |
2985 | return rtn; |
2986 | } | |
1a4f550a | 2987 | |
626fa32c | 2988 | static int arcmsr_hbaB_polling_ccbdone(struct AdapterControlBlock *acb, |
1a4f550a NC |
2989 | struct CommandControlBlock *poll_ccb) |
2990 | { | |
cdd3cb15 | 2991 | struct MessageUnit_B *reg = acb->pmuB; |
ae52e7f0 | 2992 | struct ARCMSR_CDB *arcmsr_cdb; |
cdd3cb15 NC |
2993 | struct CommandControlBlock *ccb; |
2994 | uint32_t flag_ccb, poll_ccb_done = 0, poll_count = 0; | |
ae52e7f0 | 2995 | int index, rtn; |
cdd3cb15 | 2996 | bool error; |
1a4f550a | 2997 | polling_hbb_ccb_retry: |
97b99127 | 2998 | |
cdd3cb15 NC |
2999 | poll_count++; |
3000 | /* clear doorbell interrupt */ | |
ae52e7f0 | 3001 | writel(ARCMSR_DOORBELL_INT_CLEAR_PATTERN, reg->iop2drv_doorbell); |
cdd3cb15 NC |
3002 | while(1){ |
3003 | index = reg->doneq_index; | |
c10b1d54 CH |
3004 | flag_ccb = reg->done_qbuffer[index]; |
3005 | if (flag_ccb == 0) { | |
cdd3cb15 | 3006 | if (poll_ccb_done){ |
ae52e7f0 | 3007 | rtn = SUCCESS; |
cdd3cb15 NC |
3008 | break; |
3009 | }else { | |
3010 | msleep(25); | |
3011 | if (poll_count > 100){ | |
ae52e7f0 | 3012 | rtn = FAILED; |
cdd3cb15 | 3013 | break; |
1c57e86d | 3014 | } |
cdd3cb15 | 3015 | goto polling_hbb_ccb_retry; |
1a4f550a | 3016 | } |
cdd3cb15 | 3017 | } |
c10b1d54 | 3018 | reg->done_qbuffer[index] = 0; |
cdd3cb15 NC |
3019 | index++; |
3020 | /*if last index number set it to 0 */ | |
3021 | index %= ARCMSR_MAX_HBB_POSTQUEUE; | |
3022 | reg->doneq_index = index; | |
3023 | /* check if command done with no error*/ | |
ae52e7f0 NC |
3024 | arcmsr_cdb = (struct ARCMSR_CDB *)(acb->vir2phy_offset + (flag_ccb << 5)); |
3025 | ccb = container_of(arcmsr_cdb, struct CommandControlBlock, arcmsr_cdb); | |
cab5aece | 3026 | poll_ccb_done |= (ccb == poll_ccb) ? 1 : 0; |
cdd3cb15 NC |
3027 | if ((ccb->acb != acb) || (ccb->startdone != ARCMSR_CCB_START)) { |
3028 | if ((ccb->startdone == ARCMSR_CCB_ABORTED) || (ccb == poll_ccb)) { | |
ae52e7f0 NC |
3029 | printk(KERN_NOTICE "arcmsr%d: scsi id = %d lun = %d ccb = '0x%p'" |
3030 | " poll command abort successfully \n" | |
cdd3cb15 NC |
3031 | ,acb->host->host_no |
3032 | ,ccb->pcmd->device->id | |
9cb78c16 | 3033 | ,(u32)ccb->pcmd->device->lun |
cdd3cb15 NC |
3034 | ,ccb); |
3035 | ccb->pcmd->result = DID_ABORT << 16; | |
ae52e7f0 | 3036 | arcmsr_ccb_complete(ccb); |
cdd3cb15 NC |
3037 | continue; |
3038 | } | |
3039 | printk(KERN_NOTICE "arcmsr%d: polling get an illegal ccb" | |
3040 | " command done ccb = '0x%p'" | |
3041 | "ccboutstandingcount = %d \n" | |
3042 | , acb->host->host_no | |
3043 | , ccb | |
3044 | , atomic_read(&acb->ccboutstandingcount)); | |
3045 | continue; | |
3046 | } | |
3047 | error = (flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR_MODE0) ? true : false; | |
3048 | arcmsr_report_ccb_state(acb, ccb, error); | |
3049 | } | |
3050 | return rtn; | |
3051 | } | |
3052 | ||
626fa32c CH |
3053 | static int arcmsr_hbaC_polling_ccbdone(struct AdapterControlBlock *acb, |
3054 | struct CommandControlBlock *poll_ccb) | |
cdd3cb15 | 3055 | { |
c10b1d54 | 3056 | struct MessageUnit_C __iomem *reg = acb->pmuC; |
cdd3cb15 NC |
3057 | uint32_t flag_ccb, ccb_cdb_phy; |
3058 | struct ARCMSR_CDB *arcmsr_cdb; | |
3059 | bool error; | |
3060 | struct CommandControlBlock *pCCB; | |
3061 | uint32_t poll_ccb_done = 0, poll_count = 0; | |
3062 | int rtn; | |
3063 | polling_hbc_ccb_retry: | |
3064 | poll_count++; | |
3065 | while (1) { | |
3066 | if ((readl(®->host_int_status) & ARCMSR_HBCMU_OUTBOUND_POSTQUEUE_ISR) == 0) { | |
3067 | if (poll_ccb_done) { | |
3068 | rtn = SUCCESS; | |
3069 | break; | |
3070 | } else { | |
3071 | msleep(25); | |
3072 | if (poll_count > 100) { | |
3073 | rtn = FAILED; | |
3074 | break; | |
1c57e86d | 3075 | } |
cdd3cb15 NC |
3076 | goto polling_hbc_ccb_retry; |
3077 | } | |
3078 | } | |
3079 | flag_ccb = readl(®->outbound_queueport_low); | |
3080 | ccb_cdb_phy = (flag_ccb & 0xFFFFFFF0); | |
3081 | arcmsr_cdb = (struct ARCMSR_CDB *)(acb->vir2phy_offset + ccb_cdb_phy);/*frame must be 32 bytes aligned*/ | |
3082 | pCCB = container_of(arcmsr_cdb, struct CommandControlBlock, arcmsr_cdb); | |
cab5aece | 3083 | poll_ccb_done |= (pCCB == poll_ccb) ? 1 : 0; |
cdd3cb15 NC |
3084 | /* check ifcommand done with no error*/ |
3085 | if ((pCCB->acb != acb) || (pCCB->startdone != ARCMSR_CCB_START)) { | |
3086 | if (pCCB->startdone == ARCMSR_CCB_ABORTED) { | |
3087 | printk(KERN_NOTICE "arcmsr%d: scsi id = %d lun = %d ccb = '0x%p'" | |
3088 | " poll command abort successfully \n" | |
1c57e86d | 3089 | , acb->host->host_no |
cdd3cb15 | 3090 | , pCCB->pcmd->device->id |
9cb78c16 | 3091 | , (u32)pCCB->pcmd->device->lun |
cdd3cb15 NC |
3092 | , pCCB); |
3093 | pCCB->pcmd->result = DID_ABORT << 16; | |
3094 | arcmsr_ccb_complete(pCCB); | |
1a4f550a | 3095 | continue; |
cdd3cb15 NC |
3096 | } |
3097 | printk(KERN_NOTICE "arcmsr%d: polling get an illegal ccb" | |
3098 | " command done ccb = '0x%p'" | |
3099 | "ccboutstandingcount = %d \n" | |
3100 | , acb->host->host_no | |
3101 | , pCCB | |
3102 | , atomic_read(&acb->ccboutstandingcount)); | |
3103 | continue; | |
ae52e7f0 | 3104 | } |
cdd3cb15 NC |
3105 | error = (flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR_MODE1) ? true : false; |
3106 | arcmsr_report_ccb_state(acb, pCCB, error); | |
3107 | } | |
ae52e7f0 | 3108 | return rtn; |
1a4f550a | 3109 | } |
5b37479a CH |
3110 | |
3111 | static int arcmsr_hbaD_polling_ccbdone(struct AdapterControlBlock *acb, | |
3112 | struct CommandControlBlock *poll_ccb) | |
3113 | { | |
3114 | bool error; | |
3115 | uint32_t poll_ccb_done = 0, poll_count = 0, flag_ccb, ccb_cdb_phy; | |
3b8155d5 | 3116 | int rtn, doneq_index, index_stripped, outbound_write_pointer, toggle; |
5b37479a CH |
3117 | unsigned long flags; |
3118 | struct ARCMSR_CDB *arcmsr_cdb; | |
3119 | struct CommandControlBlock *pCCB; | |
3120 | struct MessageUnit_D *pmu = acb->pmuD; | |
3121 | ||
3122 | polling_hbaD_ccb_retry: | |
3123 | poll_count++; | |
3124 | while (1) { | |
3b8155d5 | 3125 | spin_lock_irqsave(&acb->doneq_lock, flags); |
5b37479a CH |
3126 | outbound_write_pointer = pmu->done_qbuffer[0].addressLow + 1; |
3127 | doneq_index = pmu->doneq_index; | |
3128 | if ((outbound_write_pointer & 0xFFF) == (doneq_index & 0xFFF)) { | |
3b8155d5 | 3129 | spin_unlock_irqrestore(&acb->doneq_lock, flags); |
5b37479a CH |
3130 | if (poll_ccb_done) { |
3131 | rtn = SUCCESS; | |
3132 | break; | |
3133 | } else { | |
3134 | msleep(25); | |
3135 | if (poll_count > 40) { | |
3136 | rtn = FAILED; | |
3137 | break; | |
3138 | } | |
3139 | goto polling_hbaD_ccb_retry; | |
3140 | } | |
3141 | } | |
3b8155d5 CH |
3142 | toggle = doneq_index & 0x4000; |
3143 | index_stripped = (doneq_index & 0xFFF) + 1; | |
3144 | index_stripped %= ARCMSR_MAX_ARC1214_DONEQUEUE; | |
3145 | pmu->doneq_index = index_stripped ? (index_stripped | toggle) : | |
3146 | ((toggle ^ 0x4000) + 1); | |
5b37479a | 3147 | doneq_index = pmu->doneq_index; |
3b8155d5 | 3148 | spin_unlock_irqrestore(&acb->doneq_lock, flags); |
5b37479a CH |
3149 | flag_ccb = pmu->done_qbuffer[doneq_index & 0xFFF].addressLow; |
3150 | ccb_cdb_phy = (flag_ccb & 0xFFFFFFF0); | |
3151 | arcmsr_cdb = (struct ARCMSR_CDB *)(acb->vir2phy_offset + | |
3152 | ccb_cdb_phy); | |
3153 | pCCB = container_of(arcmsr_cdb, struct CommandControlBlock, | |
3154 | arcmsr_cdb); | |
3155 | poll_ccb_done |= (pCCB == poll_ccb) ? 1 : 0; | |
3156 | if ((pCCB->acb != acb) || | |
3157 | (pCCB->startdone != ARCMSR_CCB_START)) { | |
3158 | if (pCCB->startdone == ARCMSR_CCB_ABORTED) { | |
3159 | pr_notice("arcmsr%d: scsi id = %d " | |
3160 | "lun = %d ccb = '0x%p' poll command " | |
3161 | "abort successfully\n" | |
3162 | , acb->host->host_no | |
3163 | , pCCB->pcmd->device->id | |
3164 | , (u32)pCCB->pcmd->device->lun | |
3165 | , pCCB); | |
3166 | pCCB->pcmd->result = DID_ABORT << 16; | |
3167 | arcmsr_ccb_complete(pCCB); | |
3168 | continue; | |
3169 | } | |
3170 | pr_notice("arcmsr%d: polling an illegal " | |
3171 | "ccb command done ccb = '0x%p' " | |
3172 | "ccboutstandingcount = %d\n" | |
3173 | , acb->host->host_no | |
3174 | , pCCB | |
3175 | , atomic_read(&acb->ccboutstandingcount)); | |
3176 | continue; | |
3177 | } | |
3178 | error = (flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR_MODE1) | |
3179 | ? true : false; | |
3180 | arcmsr_report_ccb_state(acb, pCCB, error); | |
3181 | } | |
3182 | return rtn; | |
3183 | } | |
3184 | ||
ae52e7f0 | 3185 | static int arcmsr_polling_ccbdone(struct AdapterControlBlock *acb, |
1a4f550a NC |
3186 | struct CommandControlBlock *poll_ccb) |
3187 | { | |
ae52e7f0 | 3188 | int rtn = 0; |
1a4f550a NC |
3189 | switch (acb->adapter_type) { |
3190 | ||
3191 | case ACB_ADAPTER_TYPE_A: { | |
626fa32c | 3192 | rtn = arcmsr_hbaA_polling_ccbdone(acb, poll_ccb); |
1a4f550a NC |
3193 | } |
3194 | break; | |
3195 | ||
3196 | case ACB_ADAPTER_TYPE_B: { | |
626fa32c | 3197 | rtn = arcmsr_hbaB_polling_ccbdone(acb, poll_ccb); |
1c57e86d | 3198 | } |
cdd3cb15 NC |
3199 | break; |
3200 | case ACB_ADAPTER_TYPE_C: { | |
626fa32c | 3201 | rtn = arcmsr_hbaC_polling_ccbdone(acb, poll_ccb); |
cdd3cb15 | 3202 | } |
5b37479a CH |
3203 | break; |
3204 | case ACB_ADAPTER_TYPE_D: | |
3205 | rtn = arcmsr_hbaD_polling_ccbdone(acb, poll_ccb); | |
3206 | break; | |
1c57e86d | 3207 | } |
ae52e7f0 | 3208 | return rtn; |
1c57e86d | 3209 | } |
1a4f550a NC |
3210 | |
3211 | static int arcmsr_iop_confirm(struct AdapterControlBlock *acb) | |
a1f6e021 | 3212 | { |
ae52e7f0 | 3213 | uint32_t cdb_phyaddr, cdb_phyaddr_hi32; |
6e38adfc | 3214 | dma_addr_t dma_coherent_handle; |
e2c70425 | 3215 | |
1a4f550a NC |
3216 | /* |
3217 | ******************************************************************** | |
3218 | ** here we need to tell iop 331 our freeccb.HighPart | |
3219 | ** if freeccb.HighPart is not zero | |
3220 | ******************************************************************** | |
3221 | */ | |
6e38adfc CH |
3222 | switch (acb->adapter_type) { |
3223 | case ACB_ADAPTER_TYPE_B: | |
5b37479a | 3224 | case ACB_ADAPTER_TYPE_D: |
6e38adfc CH |
3225 | dma_coherent_handle = acb->dma_coherent_handle2; |
3226 | break; | |
3227 | default: | |
3228 | dma_coherent_handle = acb->dma_coherent_handle; | |
3229 | break; | |
3230 | } | |
3231 | cdb_phyaddr = lower_32_bits(dma_coherent_handle); | |
3232 | cdb_phyaddr_hi32 = upper_32_bits(dma_coherent_handle); | |
cdd3cb15 | 3233 | acb->cdb_phyaddr_hi32 = cdb_phyaddr_hi32; |
1a4f550a NC |
3234 | /* |
3235 | *********************************************************************** | |
3236 | ** if adapter type B, set window of "post command Q" | |
3237 | *********************************************************************** | |
3238 | */ | |
3239 | switch (acb->adapter_type) { | |
3240 | ||
3241 | case ACB_ADAPTER_TYPE_A: { | |
ae52e7f0 | 3242 | if (cdb_phyaddr_hi32 != 0) { |
80da1adb | 3243 | struct MessageUnit_A __iomem *reg = acb->pmuA; |
1a4f550a NC |
3244 | writel(ARCMSR_SIGNATURE_SET_CONFIG, \ |
3245 | ®->message_rwbuffer[0]); | |
ae52e7f0 | 3246 | writel(cdb_phyaddr_hi32, ®->message_rwbuffer[1]); |
1a4f550a NC |
3247 | writel(ARCMSR_INBOUND_MESG0_SET_CONFIG, \ |
3248 | ®->inbound_msgaddr0); | |
626fa32c | 3249 | if (!arcmsr_hbaA_wait_msgint_ready(acb)) { |
1a4f550a NC |
3250 | printk(KERN_NOTICE "arcmsr%d: ""set ccb high \ |
3251 | part physical address timeout\n", | |
3252 | acb->host->host_no); | |
3253 | return 1; | |
a1f6e021 | 3254 | } |
1a4f550a NC |
3255 | } |
3256 | } | |
3257 | break; | |
a1f6e021 | 3258 | |
1a4f550a | 3259 | case ACB_ADAPTER_TYPE_B: { |
80da1adb | 3260 | uint32_t __iomem *rwbuffer; |
a1f6e021 | 3261 | |
80da1adb | 3262 | struct MessageUnit_B *reg = acb->pmuB; |
1a4f550a NC |
3263 | reg->postq_index = 0; |
3264 | reg->doneq_index = 0; | |
ae52e7f0 | 3265 | writel(ARCMSR_MESSAGE_SET_POST_WINDOW, reg->drv2iop_doorbell); |
626fa32c | 3266 | if (!arcmsr_hbaB_wait_msgint_ready(acb)) { |
1a4f550a NC |
3267 | printk(KERN_NOTICE "arcmsr%d:can not set diver mode\n", \ |
3268 | acb->host->host_no); | |
3269 | return 1; | |
3270 | } | |
ae52e7f0 | 3271 | rwbuffer = reg->message_rwbuffer; |
1a4f550a NC |
3272 | /* driver "set config" signature */ |
3273 | writel(ARCMSR_SIGNATURE_SET_CONFIG, rwbuffer++); | |
3274 | /* normal should be zero */ | |
ae52e7f0 | 3275 | writel(cdb_phyaddr_hi32, rwbuffer++); |
1a4f550a | 3276 | /* postQ size (256 + 8)*4 */ |
6e38adfc | 3277 | writel(cdb_phyaddr, rwbuffer++); |
1a4f550a | 3278 | /* doneQ size (256 + 8)*4 */ |
6e38adfc | 3279 | writel(cdb_phyaddr + 1056, rwbuffer++); |
1a4f550a NC |
3280 | /* ccb maxQ size must be --> [(256 + 8)*4]*/ |
3281 | writel(1056, rwbuffer); | |
3282 | ||
ae52e7f0 | 3283 | writel(ARCMSR_MESSAGE_SET_CONFIG, reg->drv2iop_doorbell); |
626fa32c | 3284 | if (!arcmsr_hbaB_wait_msgint_ready(acb)) { |
1a4f550a NC |
3285 | printk(KERN_NOTICE "arcmsr%d: 'set command Q window' \ |
3286 | timeout \n",acb->host->host_no); | |
3287 | return 1; | |
3288 | } | |
a5849726 | 3289 | writel(ARCMSR_MESSAGE_START_DRIVER_MODE, reg->drv2iop_doorbell); |
626fa32c | 3290 | if (!arcmsr_hbaB_wait_msgint_ready(acb)) { |
a5849726 CH |
3291 | pr_err("arcmsr%d: can't set driver mode.\n", |
3292 | acb->host->host_no); | |
3293 | return 1; | |
3294 | } | |
1a4f550a NC |
3295 | } |
3296 | break; | |
cdd3cb15 NC |
3297 | case ACB_ADAPTER_TYPE_C: { |
3298 | if (cdb_phyaddr_hi32 != 0) { | |
c10b1d54 | 3299 | struct MessageUnit_C __iomem *reg = acb->pmuC; |
cdd3cb15 | 3300 | |
8b7eb86f TH |
3301 | printk(KERN_NOTICE "arcmsr%d: cdb_phyaddr_hi32=0x%x\n", |
3302 | acb->adapter_index, cdb_phyaddr_hi32); | |
cdd3cb15 NC |
3303 | writel(ARCMSR_SIGNATURE_SET_CONFIG, ®->msgcode_rwbuffer[0]); |
3304 | writel(cdb_phyaddr_hi32, ®->msgcode_rwbuffer[1]); | |
3305 | writel(ARCMSR_INBOUND_MESG0_SET_CONFIG, ®->inbound_msgaddr0); | |
3306 | writel(ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE, ®->inbound_doorbell); | |
626fa32c | 3307 | if (!arcmsr_hbaC_wait_msgint_ready(acb)) { |
cdd3cb15 NC |
3308 | printk(KERN_NOTICE "arcmsr%d: 'set command Q window' \ |
3309 | timeout \n", acb->host->host_no); | |
3310 | return 1; | |
3311 | } | |
3312 | } | |
3313 | } | |
5b37479a CH |
3314 | break; |
3315 | case ACB_ADAPTER_TYPE_D: { | |
3316 | uint32_t __iomem *rwbuffer; | |
3317 | struct MessageUnit_D *reg = acb->pmuD; | |
3318 | reg->postq_index = 0; | |
3319 | reg->doneq_index = 0; | |
3320 | rwbuffer = reg->msgcode_rwbuffer; | |
3321 | writel(ARCMSR_SIGNATURE_SET_CONFIG, rwbuffer++); | |
3322 | writel(cdb_phyaddr_hi32, rwbuffer++); | |
3323 | writel(cdb_phyaddr, rwbuffer++); | |
3324 | writel(cdb_phyaddr + (ARCMSR_MAX_ARC1214_POSTQUEUE * | |
3325 | sizeof(struct InBound_SRB)), rwbuffer++); | |
3326 | writel(0x100, rwbuffer); | |
3327 | writel(ARCMSR_INBOUND_MESG0_SET_CONFIG, reg->inbound_msgaddr0); | |
3328 | if (!arcmsr_hbaD_wait_msgint_ready(acb)) { | |
3329 | pr_notice("arcmsr%d: 'set command Q window' timeout\n", | |
3330 | acb->host->host_no); | |
3331 | return 1; | |
3332 | } | |
3333 | } | |
3334 | break; | |
1a4f550a NC |
3335 | } |
3336 | return 0; | |
3337 | } | |
a1f6e021 | 3338 | |
1a4f550a NC |
3339 | static void arcmsr_wait_firmware_ready(struct AdapterControlBlock *acb) |
3340 | { | |
3341 | uint32_t firmware_state = 0; | |
1a4f550a NC |
3342 | switch (acb->adapter_type) { |
3343 | ||
3344 | case ACB_ADAPTER_TYPE_A: { | |
80da1adb | 3345 | struct MessageUnit_A __iomem *reg = acb->pmuA; |
1a4f550a NC |
3346 | do { |
3347 | firmware_state = readl(®->outbound_msgaddr1); | |
3348 | } while ((firmware_state & ARCMSR_OUTBOUND_MESG1_FIRMWARE_OK) == 0); | |
3349 | } | |
3350 | break; | |
3351 | ||
3352 | case ACB_ADAPTER_TYPE_B: { | |
80da1adb | 3353 | struct MessageUnit_B *reg = acb->pmuB; |
1a4f550a | 3354 | do { |
ae52e7f0 | 3355 | firmware_state = readl(reg->iop2drv_doorbell); |
1a4f550a | 3356 | } while ((firmware_state & ARCMSR_MESSAGE_FIRMWARE_OK) == 0); |
ae52e7f0 | 3357 | writel(ARCMSR_DRV2IOP_END_OF_INTERRUPT, reg->drv2iop_doorbell); |
1a4f550a NC |
3358 | } |
3359 | break; | |
cdd3cb15 | 3360 | case ACB_ADAPTER_TYPE_C: { |
c10b1d54 | 3361 | struct MessageUnit_C __iomem *reg = acb->pmuC; |
cdd3cb15 NC |
3362 | do { |
3363 | firmware_state = readl(®->outbound_msgaddr1); | |
3364 | } while ((firmware_state & ARCMSR_HBCMU_MESSAGE_FIRMWARE_OK) == 0); | |
3365 | } | |
5b37479a CH |
3366 | break; |
3367 | case ACB_ADAPTER_TYPE_D: { | |
3368 | struct MessageUnit_D *reg = acb->pmuD; | |
3369 | do { | |
3370 | firmware_state = readl(reg->outbound_msgaddr1); | |
3371 | } while ((firmware_state & | |
3372 | ARCMSR_ARC1214_MESSAGE_FIRMWARE_OK) == 0); | |
3373 | } | |
3374 | break; | |
a1f6e021 | 3375 | } |
1a4f550a NC |
3376 | } |
3377 | ||
626fa32c | 3378 | static void arcmsr_hbaA_request_device_map(struct AdapterControlBlock *acb) |
36b83ded NC |
3379 | { |
3380 | struct MessageUnit_A __iomem *reg = acb->pmuA; | |
cdd3cb15 | 3381 | if (unlikely(atomic_read(&acb->rq_map_token) == 0) || ((acb->acb_flags & ACB_F_BUS_RESET) != 0 ) || ((acb->acb_flags & ACB_F_ABORT) != 0 )){ |
97b99127 | 3382 | mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ)); |
ae52e7f0 | 3383 | return; |
36b83ded | 3384 | } else { |
ae52e7f0 | 3385 | acb->fw_flag = FW_NORMAL; |
cdd3cb15 | 3386 | if (atomic_read(&acb->ante_token_value) == atomic_read(&acb->rq_map_token)){ |
36b83ded NC |
3387 | atomic_set(&acb->rq_map_token, 16); |
3388 | } | |
ae52e7f0 | 3389 | atomic_set(&acb->ante_token_value, atomic_read(&acb->rq_map_token)); |
97b99127 N |
3390 | if (atomic_dec_and_test(&acb->rq_map_token)) { |
3391 | mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ)); | |
ae52e7f0 | 3392 | return; |
97b99127 | 3393 | } |
36b83ded | 3394 | writel(ARCMSR_INBOUND_MESG0_GET_CONFIG, ®->inbound_msgaddr0); |
cdd3cb15 | 3395 | mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ)); |
36b83ded | 3396 | } |
36b83ded NC |
3397 | return; |
3398 | } | |
3399 | ||
626fa32c | 3400 | static void arcmsr_hbaB_request_device_map(struct AdapterControlBlock *acb) |
36b83ded | 3401 | { |
c10b1d54 | 3402 | struct MessageUnit_B *reg = acb->pmuB; |
cdd3cb15 | 3403 | if (unlikely(atomic_read(&acb->rq_map_token) == 0) || ((acb->acb_flags & ACB_F_BUS_RESET) != 0 ) || ((acb->acb_flags & ACB_F_ABORT) != 0 )){ |
97b99127 | 3404 | mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ)); |
cdd3cb15 NC |
3405 | return; |
3406 | } else { | |
3407 | acb->fw_flag = FW_NORMAL; | |
3408 | if (atomic_read(&acb->ante_token_value) == atomic_read(&acb->rq_map_token)) { | |
97b99127 | 3409 | atomic_set(&acb->rq_map_token, 16); |
cdd3cb15 NC |
3410 | } |
3411 | atomic_set(&acb->ante_token_value, atomic_read(&acb->rq_map_token)); | |
97b99127 N |
3412 | if (atomic_dec_and_test(&acb->rq_map_token)) { |
3413 | mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ)); | |
cdd3cb15 | 3414 | return; |
97b99127 | 3415 | } |
cdd3cb15 NC |
3416 | writel(ARCMSR_MESSAGE_GET_CONFIG, reg->drv2iop_doorbell); |
3417 | mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ)); | |
3418 | } | |
3419 | return; | |
3420 | } | |
36b83ded | 3421 | |
626fa32c | 3422 | static void arcmsr_hbaC_request_device_map(struct AdapterControlBlock *acb) |
cdd3cb15 NC |
3423 | { |
3424 | struct MessageUnit_C __iomem *reg = acb->pmuC; | |
ae52e7f0 | 3425 | if (unlikely(atomic_read(&acb->rq_map_token) == 0) || ((acb->acb_flags & ACB_F_BUS_RESET) != 0) || ((acb->acb_flags & ACB_F_ABORT) != 0)) { |
97b99127 | 3426 | mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ)); |
ae52e7f0 | 3427 | return; |
36b83ded | 3428 | } else { |
ae52e7f0 NC |
3429 | acb->fw_flag = FW_NORMAL; |
3430 | if (atomic_read(&acb->ante_token_value) == atomic_read(&acb->rq_map_token)) { | |
36b83ded NC |
3431 | atomic_set(&acb->rq_map_token, 16); |
3432 | } | |
ae52e7f0 | 3433 | atomic_set(&acb->ante_token_value, atomic_read(&acb->rq_map_token)); |
97b99127 N |
3434 | if (atomic_dec_and_test(&acb->rq_map_token)) { |
3435 | mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ)); | |
ae52e7f0 | 3436 | return; |
97b99127 | 3437 | } |
cdd3cb15 NC |
3438 | writel(ARCMSR_INBOUND_MESG0_GET_CONFIG, ®->inbound_msgaddr0); |
3439 | writel(ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE, ®->inbound_doorbell); | |
3440 | mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ)); | |
36b83ded | 3441 | } |
36b83ded NC |
3442 | return; |
3443 | } | |
3444 | ||
5b37479a CH |
3445 | static void arcmsr_hbaD_request_device_map(struct AdapterControlBlock *acb) |
3446 | { | |
3447 | struct MessageUnit_D *reg = acb->pmuD; | |
3448 | ||
3449 | if (unlikely(atomic_read(&acb->rq_map_token) == 0) || | |
3450 | ((acb->acb_flags & ACB_F_BUS_RESET) != 0) || | |
3451 | ((acb->acb_flags & ACB_F_ABORT) != 0)) { | |
3452 | mod_timer(&acb->eternal_timer, | |
3453 | jiffies + msecs_to_jiffies(6 * HZ)); | |
3454 | } else { | |
3455 | acb->fw_flag = FW_NORMAL; | |
3456 | if (atomic_read(&acb->ante_token_value) == | |
3457 | atomic_read(&acb->rq_map_token)) { | |
3458 | atomic_set(&acb->rq_map_token, 16); | |
3459 | } | |
3460 | atomic_set(&acb->ante_token_value, | |
3461 | atomic_read(&acb->rq_map_token)); | |
3462 | if (atomic_dec_and_test(&acb->rq_map_token)) { | |
3463 | mod_timer(&acb->eternal_timer, jiffies + | |
3464 | msecs_to_jiffies(6 * HZ)); | |
3465 | return; | |
3466 | } | |
3467 | writel(ARCMSR_INBOUND_MESG0_GET_CONFIG, | |
3468 | reg->inbound_msgaddr0); | |
3469 | mod_timer(&acb->eternal_timer, jiffies + | |
3470 | msecs_to_jiffies(6 * HZ)); | |
3471 | } | |
3472 | } | |
3473 | ||
36b83ded NC |
3474 | static void arcmsr_request_device_map(unsigned long pacb) |
3475 | { | |
3476 | struct AdapterControlBlock *acb = (struct AdapterControlBlock *)pacb; | |
36b83ded NC |
3477 | switch (acb->adapter_type) { |
3478 | case ACB_ADAPTER_TYPE_A: { | |
626fa32c | 3479 | arcmsr_hbaA_request_device_map(acb); |
36b83ded NC |
3480 | } |
3481 | break; | |
3482 | case ACB_ADAPTER_TYPE_B: { | |
626fa32c | 3483 | arcmsr_hbaB_request_device_map(acb); |
36b83ded NC |
3484 | } |
3485 | break; | |
cdd3cb15 | 3486 | case ACB_ADAPTER_TYPE_C: { |
626fa32c | 3487 | arcmsr_hbaC_request_device_map(acb); |
cdd3cb15 | 3488 | } |
5b37479a CH |
3489 | break; |
3490 | case ACB_ADAPTER_TYPE_D: | |
3491 | arcmsr_hbaD_request_device_map(acb); | |
3492 | break; | |
36b83ded NC |
3493 | } |
3494 | } | |
3495 | ||
626fa32c | 3496 | static void arcmsr_hbaA_start_bgrb(struct AdapterControlBlock *acb) |
1a4f550a | 3497 | { |
80da1adb | 3498 | struct MessageUnit_A __iomem *reg = acb->pmuA; |
1a4f550a NC |
3499 | acb->acb_flags |= ACB_F_MSG_START_BGRB; |
3500 | writel(ARCMSR_INBOUND_MESG0_START_BGRB, ®->inbound_msgaddr0); | |
626fa32c | 3501 | if (!arcmsr_hbaA_wait_msgint_ready(acb)) { |
1a4f550a NC |
3502 | printk(KERN_NOTICE "arcmsr%d: wait 'start adapter background \ |
3503 | rebulid' timeout \n", acb->host->host_no); | |
a1f6e021 | 3504 | } |
a1f6e021 | 3505 | } |
3506 | ||
626fa32c | 3507 | static void arcmsr_hbaB_start_bgrb(struct AdapterControlBlock *acb) |
1a4f550a | 3508 | { |
80da1adb | 3509 | struct MessageUnit_B *reg = acb->pmuB; |
1a4f550a | 3510 | acb->acb_flags |= ACB_F_MSG_START_BGRB; |
ae52e7f0 | 3511 | writel(ARCMSR_MESSAGE_START_BGRB, reg->drv2iop_doorbell); |
626fa32c | 3512 | if (!arcmsr_hbaB_wait_msgint_ready(acb)) { |
1a4f550a NC |
3513 | printk(KERN_NOTICE "arcmsr%d: wait 'start adapter background \ |
3514 | rebulid' timeout \n",acb->host->host_no); | |
3515 | } | |
3516 | } | |
1c57e86d | 3517 | |
626fa32c | 3518 | static void arcmsr_hbaC_start_bgrb(struct AdapterControlBlock *pACB) |
cdd3cb15 | 3519 | { |
c10b1d54 | 3520 | struct MessageUnit_C __iomem *phbcmu = pACB->pmuC; |
cdd3cb15 NC |
3521 | pACB->acb_flags |= ACB_F_MSG_START_BGRB; |
3522 | writel(ARCMSR_INBOUND_MESG0_START_BGRB, &phbcmu->inbound_msgaddr0); | |
3523 | writel(ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE, &phbcmu->inbound_doorbell); | |
626fa32c | 3524 | if (!arcmsr_hbaC_wait_msgint_ready(pACB)) { |
cdd3cb15 NC |
3525 | printk(KERN_NOTICE "arcmsr%d: wait 'start adapter background \ |
3526 | rebulid' timeout \n", pACB->host->host_no); | |
3527 | } | |
3528 | return; | |
3529 | } | |
5b37479a CH |
3530 | |
3531 | static void arcmsr_hbaD_start_bgrb(struct AdapterControlBlock *pACB) | |
3532 | { | |
3533 | struct MessageUnit_D *pmu = pACB->pmuD; | |
3534 | ||
3535 | pACB->acb_flags |= ACB_F_MSG_START_BGRB; | |
3536 | writel(ARCMSR_INBOUND_MESG0_START_BGRB, pmu->inbound_msgaddr0); | |
3537 | if (!arcmsr_hbaD_wait_msgint_ready(pACB)) { | |
3538 | pr_notice("arcmsr%d: wait 'start adapter " | |
3539 | "background rebulid' timeout\n", pACB->host->host_no); | |
3540 | } | |
3541 | } | |
3542 | ||
1a4f550a | 3543 | static void arcmsr_start_adapter_bgrb(struct AdapterControlBlock *acb) |
1c57e86d | 3544 | { |
1a4f550a NC |
3545 | switch (acb->adapter_type) { |
3546 | case ACB_ADAPTER_TYPE_A: | |
626fa32c | 3547 | arcmsr_hbaA_start_bgrb(acb); |
1a4f550a NC |
3548 | break; |
3549 | case ACB_ADAPTER_TYPE_B: | |
626fa32c | 3550 | arcmsr_hbaB_start_bgrb(acb); |
1a4f550a | 3551 | break; |
cdd3cb15 | 3552 | case ACB_ADAPTER_TYPE_C: |
626fa32c | 3553 | arcmsr_hbaC_start_bgrb(acb); |
5b37479a CH |
3554 | break; |
3555 | case ACB_ADAPTER_TYPE_D: | |
3556 | arcmsr_hbaD_start_bgrb(acb); | |
3557 | break; | |
1a4f550a NC |
3558 | } |
3559 | } | |
1c57e86d | 3560 | |
1a4f550a NC |
3561 | static void arcmsr_clear_doorbell_queue_buffer(struct AdapterControlBlock *acb) |
3562 | { | |
3563 | switch (acb->adapter_type) { | |
3564 | case ACB_ADAPTER_TYPE_A: { | |
80da1adb | 3565 | struct MessageUnit_A __iomem *reg = acb->pmuA; |
1a4f550a NC |
3566 | uint32_t outbound_doorbell; |
3567 | /* empty doorbell Qbuffer if door bell ringed */ | |
3568 | outbound_doorbell = readl(®->outbound_doorbell); | |
3569 | /*clear doorbell interrupt */ | |
3570 | writel(outbound_doorbell, ®->outbound_doorbell); | |
3571 | writel(ARCMSR_INBOUND_DRIVER_DATA_READ_OK, ®->inbound_doorbell); | |
3572 | } | |
3573 | break; | |
1c57e86d | 3574 | |
1a4f550a | 3575 | case ACB_ADAPTER_TYPE_B: { |
80da1adb | 3576 | struct MessageUnit_B *reg = acb->pmuB; |
1a4f550a | 3577 | /*clear interrupt and message state*/ |
ae52e7f0 NC |
3578 | writel(ARCMSR_MESSAGE_INT_CLEAR_PATTERN, reg->iop2drv_doorbell); |
3579 | writel(ARCMSR_DRV2IOP_DATA_READ_OK, reg->drv2iop_doorbell); | |
1a4f550a NC |
3580 | /* let IOP know data has been read */ |
3581 | } | |
3582 | break; | |
cdd3cb15 | 3583 | case ACB_ADAPTER_TYPE_C: { |
c10b1d54 | 3584 | struct MessageUnit_C __iomem *reg = acb->pmuC; |
5eb6bfa0 | 3585 | uint32_t outbound_doorbell, i; |
cdd3cb15 NC |
3586 | /* empty doorbell Qbuffer if door bell ringed */ |
3587 | outbound_doorbell = readl(®->outbound_doorbell); | |
3588 | writel(outbound_doorbell, ®->outbound_doorbell_clear); | |
3589 | writel(ARCMSR_HBCMU_DRV2IOP_DATA_READ_OK, ®->inbound_doorbell); | |
5eb6bfa0 CH |
3590 | for (i = 0; i < 200; i++) { |
3591 | msleep(20); | |
3592 | outbound_doorbell = readl(®->outbound_doorbell); | |
3593 | if (outbound_doorbell & | |
3594 | ARCMSR_HBCMU_IOP2DRV_DATA_WRITE_OK) { | |
3595 | writel(outbound_doorbell, | |
3596 | ®->outbound_doorbell_clear); | |
3597 | writel(ARCMSR_HBCMU_DRV2IOP_DATA_READ_OK, | |
3598 | ®->inbound_doorbell); | |
3599 | } else | |
3600 | break; | |
3601 | } | |
cdd3cb15 | 3602 | } |
5b37479a CH |
3603 | break; |
3604 | case ACB_ADAPTER_TYPE_D: { | |
3605 | struct MessageUnit_D *reg = acb->pmuD; | |
3606 | uint32_t outbound_doorbell, i; | |
3607 | /* empty doorbell Qbuffer if door bell ringed */ | |
3608 | outbound_doorbell = readl(reg->outbound_doorbell); | |
3609 | writel(outbound_doorbell, reg->outbound_doorbell); | |
3610 | writel(ARCMSR_ARC1214_DRV2IOP_DATA_OUT_READ, | |
3611 | reg->inbound_doorbell); | |
3612 | for (i = 0; i < 200; i++) { | |
3613 | msleep(20); | |
3614 | outbound_doorbell = readl(reg->outbound_doorbell); | |
3615 | if (outbound_doorbell & | |
3616 | ARCMSR_ARC1214_IOP2DRV_DATA_WRITE_OK) { | |
3617 | writel(outbound_doorbell, | |
3618 | reg->outbound_doorbell); | |
3619 | writel(ARCMSR_ARC1214_DRV2IOP_DATA_OUT_READ, | |
3620 | reg->inbound_doorbell); | |
3621 | } else | |
3622 | break; | |
3623 | } | |
3624 | } | |
3625 | break; | |
1c57e86d | 3626 | } |
1a4f550a | 3627 | } |
1c57e86d | 3628 | |
76d78300 NC |
3629 | static void arcmsr_enable_eoi_mode(struct AdapterControlBlock *acb) |
3630 | { | |
3631 | switch (acb->adapter_type) { | |
3632 | case ACB_ADAPTER_TYPE_A: | |
3633 | return; | |
3634 | case ACB_ADAPTER_TYPE_B: | |
3635 | { | |
3636 | struct MessageUnit_B *reg = acb->pmuB; | |
ae52e7f0 | 3637 | writel(ARCMSR_MESSAGE_ACTIVE_EOI_MODE, reg->drv2iop_doorbell); |
626fa32c | 3638 | if (!arcmsr_hbaB_wait_msgint_ready(acb)) { |
76d78300 NC |
3639 | printk(KERN_NOTICE "ARCMSR IOP enables EOI_MODE TIMEOUT"); |
3640 | return; | |
3641 | } | |
3642 | } | |
3643 | break; | |
cdd3cb15 NC |
3644 | case ACB_ADAPTER_TYPE_C: |
3645 | return; | |
76d78300 NC |
3646 | } |
3647 | return; | |
3648 | } | |
3649 | ||
36b83ded NC |
3650 | static void arcmsr_hardware_reset(struct AdapterControlBlock *acb) |
3651 | { | |
3652 | uint8_t value[64]; | |
cdd3cb15 NC |
3653 | int i, count = 0; |
3654 | struct MessageUnit_A __iomem *pmuA = acb->pmuA; | |
3655 | struct MessageUnit_C __iomem *pmuC = acb->pmuC; | |
5b37479a | 3656 | struct MessageUnit_D *pmuD = acb->pmuD; |
6ad819b0 | 3657 | |
36b83ded | 3658 | /* backup pci config data */ |
cdd3cb15 | 3659 | printk(KERN_NOTICE "arcmsr%d: executing hw bus reset .....\n", acb->host->host_no); |
36b83ded NC |
3660 | for (i = 0; i < 64; i++) { |
3661 | pci_read_config_byte(acb->pdev, i, &value[i]); | |
3662 | } | |
3663 | /* hardware reset signal */ | |
ae52e7f0 | 3664 | if ((acb->dev_id == 0x1680)) { |
cdd3cb15 NC |
3665 | writel(ARCMSR_ARC1680_BUS_RESET, &pmuA->reserved1[0]); |
3666 | } else if ((acb->dev_id == 0x1880)) { | |
3667 | do { | |
3668 | count++; | |
3669 | writel(0xF, &pmuC->write_sequence); | |
3670 | writel(0x4, &pmuC->write_sequence); | |
3671 | writel(0xB, &pmuC->write_sequence); | |
3672 | writel(0x2, &pmuC->write_sequence); | |
3673 | writel(0x7, &pmuC->write_sequence); | |
3674 | writel(0xD, &pmuC->write_sequence); | |
6ad819b0 | 3675 | } while (((readl(&pmuC->host_diagnostic) & ARCMSR_ARC1880_DiagWrite_ENABLE) == 0) && (count < 5)); |
cdd3cb15 | 3676 | writel(ARCMSR_ARC1880_RESET_ADAPTER, &pmuC->host_diagnostic); |
5b37479a CH |
3677 | } else if ((acb->dev_id == 0x1214)) { |
3678 | writel(0x20, pmuD->reset_request); | |
ae52e7f0 | 3679 | } else { |
cdd3cb15 | 3680 | pci_write_config_byte(acb->pdev, 0x84, 0x20); |
ae52e7f0 | 3681 | } |
cdd3cb15 | 3682 | msleep(2000); |
36b83ded NC |
3683 | /* write back pci config data */ |
3684 | for (i = 0; i < 64; i++) { | |
3685 | pci_write_config_byte(acb->pdev, i, value[i]); | |
3686 | } | |
3687 | msleep(1000); | |
3688 | return; | |
3689 | } | |
1a4f550a NC |
3690 | static void arcmsr_iop_init(struct AdapterControlBlock *acb) |
3691 | { | |
3692 | uint32_t intmask_org; | |
cdd3cb15 NC |
3693 | /* disable all outbound interrupt */ |
3694 | intmask_org = arcmsr_disable_outbound_ints(acb); | |
76d78300 NC |
3695 | arcmsr_wait_firmware_ready(acb); |
3696 | arcmsr_iop_confirm(acb); | |
1a4f550a NC |
3697 | /*start background rebuild*/ |
3698 | arcmsr_start_adapter_bgrb(acb); | |
3699 | /* empty doorbell Qbuffer if door bell ringed */ | |
3700 | arcmsr_clear_doorbell_queue_buffer(acb); | |
76d78300 | 3701 | arcmsr_enable_eoi_mode(acb); |
1a4f550a NC |
3702 | /* enable outbound Post Queue,outbound doorbell Interrupt */ |
3703 | arcmsr_enable_outbound_ints(acb, intmask_org); | |
1c57e86d EC |
3704 | acb->acb_flags |= ACB_F_IOP_INITED; |
3705 | } | |
3706 | ||
36b83ded | 3707 | static uint8_t arcmsr_iop_reset(struct AdapterControlBlock *acb) |
1c57e86d | 3708 | { |
1c57e86d EC |
3709 | struct CommandControlBlock *ccb; |
3710 | uint32_t intmask_org; | |
36b83ded | 3711 | uint8_t rtnval = 0x00; |
1c57e86d | 3712 | int i = 0; |
97b99127 N |
3713 | unsigned long flags; |
3714 | ||
1c57e86d | 3715 | if (atomic_read(&acb->ccboutstandingcount) != 0) { |
36b83ded NC |
3716 | /* disable all outbound interrupt */ |
3717 | intmask_org = arcmsr_disable_outbound_ints(acb); | |
1c57e86d | 3718 | /* talk to iop 331 outstanding command aborted */ |
36b83ded | 3719 | rtnval = arcmsr_abort_allcmd(acb); |
1c57e86d | 3720 | /* clear all outbound posted Q */ |
1a4f550a | 3721 | arcmsr_done4abort_postqueue(acb); |
1c57e86d EC |
3722 | for (i = 0; i < ARCMSR_MAX_FREECCB_NUM; i++) { |
3723 | ccb = acb->pccb_pool[i]; | |
a1f6e021 | 3724 | if (ccb->startdone == ARCMSR_CCB_START) { |
97b99127 N |
3725 | scsi_dma_unmap(ccb->pcmd); |
3726 | ccb->startdone = ARCMSR_CCB_DONE; | |
3727 | ccb->ccb_flags = 0; | |
3728 | spin_lock_irqsave(&acb->ccblist_lock, flags); | |
3729 | list_add_tail(&ccb->list, &acb->ccb_free_list); | |
3730 | spin_unlock_irqrestore(&acb->ccblist_lock, flags); | |
1c57e86d EC |
3731 | } |
3732 | } | |
36b83ded | 3733 | atomic_set(&acb->ccboutstandingcount, 0); |
1c57e86d EC |
3734 | /* enable all outbound interrupt */ |
3735 | arcmsr_enable_outbound_ints(acb, intmask_org); | |
36b83ded | 3736 | return rtnval; |
1c57e86d | 3737 | } |
36b83ded | 3738 | return rtnval; |
1c57e86d EC |
3739 | } |
3740 | ||
3741 | static int arcmsr_bus_reset(struct scsi_cmnd *cmd) | |
3742 | { | |
97b99127 | 3743 | struct AdapterControlBlock *acb; |
ae52e7f0 NC |
3744 | uint32_t intmask_org, outbound_doorbell; |
3745 | int retry_count = 0; | |
3746 | int rtn = FAILED; | |
ae52e7f0 | 3747 | acb = (struct AdapterControlBlock *) cmd->device->host->hostdata; |
cdd3cb15 | 3748 | printk(KERN_ERR "arcmsr: executing bus reset eh.....num_resets = %d, num_aborts = %d \n", acb->num_resets, acb->num_aborts); |
36b83ded | 3749 | acb->num_resets++; |
36b83ded | 3750 | |
cdd3cb15 NC |
3751 | switch(acb->adapter_type){ |
3752 | case ACB_ADAPTER_TYPE_A:{ | |
3753 | if (acb->acb_flags & ACB_F_BUS_RESET){ | |
ae52e7f0 | 3754 | long timeout; |
cdd3cb15 NC |
3755 | printk(KERN_ERR "arcmsr: there is an bus reset eh proceeding.......\n"); |
3756 | timeout = wait_event_timeout(wait_q, (acb->acb_flags & ACB_F_BUS_RESET) == 0, 220*HZ); | |
ae52e7f0 NC |
3757 | if (timeout) { |
3758 | return SUCCESS; | |
3759 | } | |
3760 | } | |
3761 | acb->acb_flags |= ACB_F_BUS_RESET; | |
cdd3cb15 | 3762 | if (!arcmsr_iop_reset(acb)) { |
ae52e7f0 NC |
3763 | struct MessageUnit_A __iomem *reg; |
3764 | reg = acb->pmuA; | |
cdd3cb15 NC |
3765 | arcmsr_hardware_reset(acb); |
3766 | acb->acb_flags &= ~ACB_F_IOP_INITED; | |
36b83ded | 3767 | sleep_again: |
8b7eb86f | 3768 | ssleep(ARCMSR_SLEEPTIME); |
ae52e7f0 | 3769 | if ((readl(®->outbound_msgaddr1) & ARCMSR_OUTBOUND_MESG1_FIRMWARE_OK) == 0) { |
8b7eb86f TH |
3770 | printk(KERN_ERR "arcmsr%d: waiting for hw bus reset return, retry=%d\n", acb->host->host_no, retry_count); |
3771 | if (retry_count > ARCMSR_RETRYCOUNT) { | |
ae52e7f0 | 3772 | acb->fw_flag = FW_DEADLOCK; |
8b7eb86f | 3773 | printk(KERN_ERR "arcmsr%d: waiting for hw bus reset return, RETRY TERMINATED!!\n", acb->host->host_no); |
ae52e7f0 | 3774 | return FAILED; |
cdd3cb15 NC |
3775 | } |
3776 | retry_count++; | |
3777 | goto sleep_again; | |
3778 | } | |
3779 | acb->acb_flags |= ACB_F_IOP_INITED; | |
3780 | /* disable all outbound interrupt */ | |
3781 | intmask_org = arcmsr_disable_outbound_ints(acb); | |
ae52e7f0 | 3782 | arcmsr_get_firmware_spec(acb); |
cdd3cb15 NC |
3783 | arcmsr_start_adapter_bgrb(acb); |
3784 | /* clear Qbuffer if door bell ringed */ | |
3785 | outbound_doorbell = readl(®->outbound_doorbell); | |
3786 | writel(outbound_doorbell, ®->outbound_doorbell); /*clear interrupt */ | |
3787 | writel(ARCMSR_INBOUND_DRIVER_DATA_READ_OK, ®->inbound_doorbell); | |
3788 | /* enable outbound Post Queue,outbound doorbell Interrupt */ | |
3789 | arcmsr_enable_outbound_ints(acb, intmask_org); | |
3790 | atomic_set(&acb->rq_map_token, 16); | |
ae52e7f0 NC |
3791 | atomic_set(&acb->ante_token_value, 16); |
3792 | acb->fw_flag = FW_NORMAL; | |
97b99127 | 3793 | mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ)); |
ae52e7f0 NC |
3794 | acb->acb_flags &= ~ACB_F_BUS_RESET; |
3795 | rtn = SUCCESS; | |
cdd3cb15 | 3796 | printk(KERN_ERR "arcmsr: scsi bus reset eh returns with success\n"); |
ae52e7f0 NC |
3797 | } else { |
3798 | acb->acb_flags &= ~ACB_F_BUS_RESET; | |
97b99127 N |
3799 | atomic_set(&acb->rq_map_token, 16); |
3800 | atomic_set(&acb->ante_token_value, 16); | |
3801 | acb->fw_flag = FW_NORMAL; | |
3802 | mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6*HZ)); | |
ae52e7f0 | 3803 | rtn = SUCCESS; |
cdd3cb15 | 3804 | } |
ae52e7f0 | 3805 | break; |
36b83ded | 3806 | } |
ae52e7f0 NC |
3807 | case ACB_ADAPTER_TYPE_B:{ |
3808 | acb->acb_flags |= ACB_F_BUS_RESET; | |
cdd3cb15 | 3809 | if (!arcmsr_iop_reset(acb)) { |
ae52e7f0 NC |
3810 | acb->acb_flags &= ~ACB_F_BUS_RESET; |
3811 | rtn = FAILED; | |
cdd3cb15 NC |
3812 | } else { |
3813 | acb->acb_flags &= ~ACB_F_BUS_RESET; | |
97b99127 N |
3814 | atomic_set(&acb->rq_map_token, 16); |
3815 | atomic_set(&acb->ante_token_value, 16); | |
3816 | acb->fw_flag = FW_NORMAL; | |
3817 | mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ)); | |
ae52e7f0 | 3818 | rtn = SUCCESS; |
cdd3cb15 NC |
3819 | } |
3820 | break; | |
3821 | } | |
3822 | case ACB_ADAPTER_TYPE_C:{ | |
3823 | if (acb->acb_flags & ACB_F_BUS_RESET) { | |
3824 | long timeout; | |
3825 | printk(KERN_ERR "arcmsr: there is an bus reset eh proceeding.......\n"); | |
3826 | timeout = wait_event_timeout(wait_q, (acb->acb_flags & ACB_F_BUS_RESET) == 0, 220*HZ); | |
3827 | if (timeout) { | |
3828 | return SUCCESS; | |
3829 | } | |
3830 | } | |
3831 | acb->acb_flags |= ACB_F_BUS_RESET; | |
3832 | if (!arcmsr_iop_reset(acb)) { | |
3833 | struct MessageUnit_C __iomem *reg; | |
3834 | reg = acb->pmuC; | |
3835 | arcmsr_hardware_reset(acb); | |
3836 | acb->acb_flags &= ~ACB_F_IOP_INITED; | |
3837 | sleep: | |
8b7eb86f | 3838 | ssleep(ARCMSR_SLEEPTIME); |
cdd3cb15 | 3839 | if ((readl(®->host_diagnostic) & 0x04) != 0) { |
8b7eb86f TH |
3840 | printk(KERN_ERR "arcmsr%d: waiting for hw bus reset return, retry=%d\n", acb->host->host_no, retry_count); |
3841 | if (retry_count > ARCMSR_RETRYCOUNT) { | |
cdd3cb15 | 3842 | acb->fw_flag = FW_DEADLOCK; |
8b7eb86f | 3843 | printk(KERN_ERR "arcmsr%d: waiting for hw bus reset return, RETRY TERMINATED!!\n", acb->host->host_no); |
cdd3cb15 NC |
3844 | return FAILED; |
3845 | } | |
3846 | retry_count++; | |
3847 | goto sleep; | |
3848 | } | |
3849 | acb->acb_flags |= ACB_F_IOP_INITED; | |
3850 | /* disable all outbound interrupt */ | |
3851 | intmask_org = arcmsr_disable_outbound_ints(acb); | |
3852 | arcmsr_get_firmware_spec(acb); | |
3853 | arcmsr_start_adapter_bgrb(acb); | |
3854 | /* clear Qbuffer if door bell ringed */ | |
5eb6bfa0 | 3855 | arcmsr_clear_doorbell_queue_buffer(acb); |
cdd3cb15 NC |
3856 | /* enable outbound Post Queue,outbound doorbell Interrupt */ |
3857 | arcmsr_enable_outbound_ints(acb, intmask_org); | |
3858 | atomic_set(&acb->rq_map_token, 16); | |
3859 | atomic_set(&acb->ante_token_value, 16); | |
3860 | acb->fw_flag = FW_NORMAL; | |
97b99127 | 3861 | mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ)); |
cdd3cb15 NC |
3862 | acb->acb_flags &= ~ACB_F_BUS_RESET; |
3863 | rtn = SUCCESS; | |
3864 | printk(KERN_ERR "arcmsr: scsi bus reset eh returns with success\n"); | |
3865 | } else { | |
3866 | acb->acb_flags &= ~ACB_F_BUS_RESET; | |
97b99127 N |
3867 | atomic_set(&acb->rq_map_token, 16); |
3868 | atomic_set(&acb->ante_token_value, 16); | |
3869 | acb->fw_flag = FW_NORMAL; | |
3870 | mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6*HZ)); | |
cdd3cb15 NC |
3871 | rtn = SUCCESS; |
3872 | } | |
3873 | break; | |
ae52e7f0 | 3874 | } |
5b37479a CH |
3875 | case ACB_ADAPTER_TYPE_D: { |
3876 | if (acb->acb_flags & ACB_F_BUS_RESET) { | |
3877 | long timeout; | |
3878 | pr_notice("arcmsr: there is an bus reset" | |
3879 | " eh proceeding.......\n"); | |
3880 | timeout = wait_event_timeout(wait_q, (acb->acb_flags | |
3881 | & ACB_F_BUS_RESET) == 0, 220 * HZ); | |
3882 | if (timeout) | |
3883 | return SUCCESS; | |
3884 | } | |
3885 | acb->acb_flags |= ACB_F_BUS_RESET; | |
3886 | if (!arcmsr_iop_reset(acb)) { | |
3887 | struct MessageUnit_D *reg; | |
3888 | reg = acb->pmuD; | |
3889 | arcmsr_hardware_reset(acb); | |
3890 | acb->acb_flags &= ~ACB_F_IOP_INITED; | |
3891 | nap: | |
3892 | ssleep(ARCMSR_SLEEPTIME); | |
3893 | if ((readl(reg->sample_at_reset) & 0x80) != 0) { | |
3894 | pr_err("arcmsr%d: waiting for " | |
3895 | "hw bus reset return, retry=%d\n", | |
3896 | acb->host->host_no, retry_count); | |
3897 | if (retry_count > ARCMSR_RETRYCOUNT) { | |
3898 | acb->fw_flag = FW_DEADLOCK; | |
3899 | pr_err("arcmsr%d: waiting for hw bus" | |
3900 | " reset return, " | |
3901 | "RETRY TERMINATED!!\n", | |
3902 | acb->host->host_no); | |
3903 | return FAILED; | |
3904 | } | |
3905 | retry_count++; | |
3906 | goto nap; | |
3907 | } | |
3908 | acb->acb_flags |= ACB_F_IOP_INITED; | |
3909 | /* disable all outbound interrupt */ | |
3910 | intmask_org = arcmsr_disable_outbound_ints(acb); | |
3911 | arcmsr_get_firmware_spec(acb); | |
3912 | arcmsr_start_adapter_bgrb(acb); | |
3913 | arcmsr_clear_doorbell_queue_buffer(acb); | |
3914 | arcmsr_enable_outbound_ints(acb, intmask_org); | |
3915 | atomic_set(&acb->rq_map_token, 16); | |
3916 | atomic_set(&acb->ante_token_value, 16); | |
3917 | acb->fw_flag = FW_NORMAL; | |
3918 | mod_timer(&acb->eternal_timer, | |
3919 | jiffies + msecs_to_jiffies(6 * HZ)); | |
3920 | acb->acb_flags &= ~ACB_F_BUS_RESET; | |
3921 | rtn = SUCCESS; | |
3922 | pr_err("arcmsr: scsi bus reset " | |
3923 | "eh returns with success\n"); | |
3924 | } else { | |
3925 | acb->acb_flags &= ~ACB_F_BUS_RESET; | |
3926 | atomic_set(&acb->rq_map_token, 16); | |
3927 | atomic_set(&acb->ante_token_value, 16); | |
3928 | acb->fw_flag = FW_NORMAL; | |
3929 | mod_timer(&acb->eternal_timer, | |
3930 | jiffies + msecs_to_jiffies(6 * HZ)); | |
3931 | rtn = SUCCESS; | |
3932 | } | |
3933 | break; | |
3934 | } | |
ae52e7f0 NC |
3935 | } |
3936 | return rtn; | |
1c57e86d EC |
3937 | } |
3938 | ||
ae52e7f0 | 3939 | static int arcmsr_abort_one_cmd(struct AdapterControlBlock *acb, |
1c57e86d EC |
3940 | struct CommandControlBlock *ccb) |
3941 | { | |
ae52e7f0 | 3942 | int rtn; |
ae52e7f0 | 3943 | rtn = arcmsr_polling_ccbdone(acb, ccb); |
ae52e7f0 | 3944 | return rtn; |
1c57e86d EC |
3945 | } |
3946 | ||
3947 | static int arcmsr_abort(struct scsi_cmnd *cmd) | |
3948 | { | |
3949 | struct AdapterControlBlock *acb = | |
3950 | (struct AdapterControlBlock *)cmd->device->host->hostdata; | |
3951 | int i = 0; | |
ae52e7f0 | 3952 | int rtn = FAILED; |
cab5aece CH |
3953 | uint32_t intmask_org; |
3954 | ||
1c57e86d | 3955 | printk(KERN_NOTICE |
cab5aece | 3956 | "arcmsr%d: abort device command of scsi id = %d lun = %d\n", |
9cb78c16 | 3957 | acb->host->host_no, cmd->device->id, (u32)cmd->device->lun); |
ae52e7f0 | 3958 | acb->acb_flags |= ACB_F_ABORT; |
1c57e86d | 3959 | acb->num_aborts++; |
1c57e86d EC |
3960 | /* |
3961 | ************************************************ | |
3962 | ** the all interrupt service routine is locked | |
3963 | ** we need to handle it as soon as possible and exit | |
3964 | ************************************************ | |
3965 | */ | |
cab5aece CH |
3966 | if (!atomic_read(&acb->ccboutstandingcount)) { |
3967 | acb->acb_flags &= ~ACB_F_ABORT; | |
ae52e7f0 | 3968 | return rtn; |
cab5aece | 3969 | } |
1c57e86d | 3970 | |
cab5aece | 3971 | intmask_org = arcmsr_disable_outbound_ints(acb); |
1c57e86d EC |
3972 | for (i = 0; i < ARCMSR_MAX_FREECCB_NUM; i++) { |
3973 | struct CommandControlBlock *ccb = acb->pccb_pool[i]; | |
3974 | if (ccb->startdone == ARCMSR_CCB_START && ccb->pcmd == cmd) { | |
ae52e7f0 NC |
3975 | ccb->startdone = ARCMSR_CCB_ABORTED; |
3976 | rtn = arcmsr_abort_one_cmd(acb, ccb); | |
1c57e86d EC |
3977 | break; |
3978 | } | |
3979 | } | |
ae52e7f0 | 3980 | acb->acb_flags &= ~ACB_F_ABORT; |
cab5aece | 3981 | arcmsr_enable_outbound_ints(acb, intmask_org); |
ae52e7f0 | 3982 | return rtn; |
1c57e86d EC |
3983 | } |
3984 | ||
3985 | static const char *arcmsr_info(struct Scsi_Host *host) | |
3986 | { | |
3987 | struct AdapterControlBlock *acb = | |
3988 | (struct AdapterControlBlock *) host->hostdata; | |
3989 | static char buf[256]; | |
3990 | char *type; | |
3991 | int raid6 = 1; | |
1c57e86d EC |
3992 | switch (acb->pdev->device) { |
3993 | case PCI_DEVICE_ID_ARECA_1110: | |
1a4f550a NC |
3994 | case PCI_DEVICE_ID_ARECA_1200: |
3995 | case PCI_DEVICE_ID_ARECA_1202: | |
1c57e86d EC |
3996 | case PCI_DEVICE_ID_ARECA_1210: |
3997 | raid6 = 0; | |
3998 | /*FALLTHRU*/ | |
3999 | case PCI_DEVICE_ID_ARECA_1120: | |
4000 | case PCI_DEVICE_ID_ARECA_1130: | |
4001 | case PCI_DEVICE_ID_ARECA_1160: | |
4002 | case PCI_DEVICE_ID_ARECA_1170: | |
1a4f550a | 4003 | case PCI_DEVICE_ID_ARECA_1201: |
1c57e86d EC |
4004 | case PCI_DEVICE_ID_ARECA_1220: |
4005 | case PCI_DEVICE_ID_ARECA_1230: | |
4006 | case PCI_DEVICE_ID_ARECA_1260: | |
4007 | case PCI_DEVICE_ID_ARECA_1270: | |
4008 | case PCI_DEVICE_ID_ARECA_1280: | |
4009 | type = "SATA"; | |
4010 | break; | |
5b37479a | 4011 | case PCI_DEVICE_ID_ARECA_1214: |
1c57e86d EC |
4012 | case PCI_DEVICE_ID_ARECA_1380: |
4013 | case PCI_DEVICE_ID_ARECA_1381: | |
4014 | case PCI_DEVICE_ID_ARECA_1680: | |
4015 | case PCI_DEVICE_ID_ARECA_1681: | |
cdd3cb15 | 4016 | case PCI_DEVICE_ID_ARECA_1880: |
aaa64f69 | 4017 | type = "SAS/SATA"; |
1c57e86d EC |
4018 | break; |
4019 | default: | |
aaa64f69 CH |
4020 | type = "unknown"; |
4021 | raid6 = 0; | |
1c57e86d EC |
4022 | break; |
4023 | } | |
aaa64f69 CH |
4024 | sprintf(buf, "Areca %s RAID Controller %s\narcmsr version %s\n", |
4025 | type, raid6 ? "(RAID6 capable)" : "", ARCMSR_DRIVER_VERSION); | |
1c57e86d EC |
4026 | return buf; |
4027 | } |