blob: 33f7256055b1ae08011122163f18de6c895245a2 [file] [log] [blame]
Moore, Eric Dean 2496af32005-04-22 18:02:41 -04001/*
2 * linux/drivers/message/fusion/mptfc.c
Prakash, Sathyaf36789e2007-08-14 16:22:54 +05303 * For use with LSI PCI chip/adapter(s)
4 * running LSI Fusion MPT (Message Passing Technology) firmware.
Moore, Eric Dean 2496af32005-04-22 18:02:41 -04005 *
Prakash, Sathyacddc0ab2008-05-21 00:56:41 +05306 * Copyright (c) 1999-2008 LSI Corporation
Eric Moore16d20102007-06-13 16:31:07 -06007 * (mailto:DL-MPTFusionLinux@lsi.com)
Moore, Eric Dean 2496af32005-04-22 18:02:41 -04008 *
9 */
10/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
11/*
12 This program is free software; you can redistribute it and/or modify
13 it under the terms of the GNU General Public License as published by
14 the Free Software Foundation; version 2 of the License.
15
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 NO WARRANTY
22 THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
23 CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT
24 LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
25 MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is
26 solely responsible for determining the appropriateness of using and
27 distributing the Program and assumes all risks associated with its
28 exercise of rights under this Agreement, including but not limited to
29 the risks and costs of program errors, damage to or loss of data,
30 programs or equipment, and unavailability or interruption of operations.
31
32 DISCLAIMER OF LIABILITY
33 NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY
34 DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
35 DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND
36 ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
37 TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
38 USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED
39 HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES
40
41 You should have received a copy of the GNU General Public License
42 along with this program; if not, write to the Free Software
43 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
44*/
45/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
Moore, Eric Dean 2496af32005-04-22 18:02:41 -040046#include <linux/module.h>
47#include <linux/kernel.h>
48#include <linux/init.h>
49#include <linux/errno.h>
50#include <linux/kdev_t.h>
51#include <linux/blkdev.h>
52#include <linux/delay.h> /* for mdelay */
53#include <linux/interrupt.h> /* needed for in_interrupt() proto */
54#include <linux/reboot.h> /* notifier code */
Moore, Eric Dean 2496af32005-04-22 18:02:41 -040055#include <linux/workqueue.h>
Michael Reed05e8ec12006-01-13 14:31:54 -060056#include <linux/sort.h>
Tejun Heo5a0e3ad2010-03-24 17:04:11 +090057#include <linux/slab.h>
Moore, Eric Dean 2496af32005-04-22 18:02:41 -040058
59#include <scsi/scsi.h>
60#include <scsi/scsi_cmnd.h>
61#include <scsi/scsi_device.h>
62#include <scsi/scsi_host.h>
63#include <scsi/scsi_tcq.h>
Michael Reed05e8ec12006-01-13 14:31:54 -060064#include <scsi/scsi_transport_fc.h>
Moore, Eric Dean 2496af32005-04-22 18:02:41 -040065
66#include "mptbase.h"
67#include "mptscsih.h"
68
69/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
70#define my_NAME "Fusion MPT FC Host driver"
71#define my_VERSION MPT_LINUX_VERSION_COMMON
72#define MYNAM "mptfc"
73
74MODULE_AUTHOR(MODULEAUTHOR);
75MODULE_DESCRIPTION(my_NAME);
76MODULE_LICENSE("GPL");
Eric Moore9f4203b2007-01-04 20:47:47 -070077MODULE_VERSION(my_VERSION);
Moore, Eric Dean 2496af32005-04-22 18:02:41 -040078
79/* Command line args */
Michael Reed05e8ec12006-01-13 14:31:54 -060080#define MPTFC_DEV_LOSS_TMO (60)
81static int mptfc_dev_loss_tmo = MPTFC_DEV_LOSS_TMO; /* reasonable default */
82module_param(mptfc_dev_loss_tmo, int, 0);
83MODULE_PARM_DESC(mptfc_dev_loss_tmo, " Initial time the driver programs the "
84 " transport to wait for an rport to "
85 " return following a device loss event."
86 " Default=60.");
87
Eric Moore793955f2007-01-29 09:42:20 -070088/* scsi-mid layer global parmeter is max_report_luns, which is 511 */
89#define MPTFC_MAX_LUN (16895)
90static int max_lun = MPTFC_MAX_LUN;
91module_param(max_lun, int, 0);
92MODULE_PARM_DESC(max_lun, " max lun, default=16895 ");
93
Prakash, Sathyaf606f572007-08-14 16:12:53 +053094static u8 mptfcDoneCtx = MPT_MAX_PROTOCOL_DRIVERS;
95static u8 mptfcTaskCtx = MPT_MAX_PROTOCOL_DRIVERS;
96static u8 mptfcInternalCtx = MPT_MAX_PROTOCOL_DRIVERS;
Moore, Eric Dean 2496af32005-04-22 18:02:41 -040097
Michael Reed3bc7bf12006-01-25 18:05:18 -070098static int mptfc_target_alloc(struct scsi_target *starget);
99static int mptfc_slave_alloc(struct scsi_device *sdev);
Michael Reed05e8ec12006-01-13 14:31:54 -0600100static int mptfc_qcmd(struct scsi_cmnd *SCpnt,
Michael Reed3bc7bf12006-01-25 18:05:18 -0700101 void (*done)(struct scsi_cmnd *));
102static void mptfc_target_destroy(struct scsi_target *starget);
Michael Reed05e8ec12006-01-13 14:31:54 -0600103static void mptfc_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout);
104static void __devexit mptfc_remove(struct pci_dev *pdev);
Michael Reed35508e42006-10-06 15:39:25 -0500105static int mptfc_abort(struct scsi_cmnd *SCpnt);
106static int mptfc_dev_reset(struct scsi_cmnd *SCpnt);
107static int mptfc_bus_reset(struct scsi_cmnd *SCpnt);
108static int mptfc_host_reset(struct scsi_cmnd *SCpnt);
Michael Reed05e8ec12006-01-13 14:31:54 -0600109
Moore, Eric Dean 2496af32005-04-22 18:02:41 -0400110static struct scsi_host_template mptfc_driver_template = {
Moore, Eric Deanf78496d2005-11-16 18:54:14 -0700111 .module = THIS_MODULE,
Moore, Eric Dean 2496af32005-04-22 18:02:41 -0400112 .proc_name = "mptfc",
113 .proc_info = mptscsih_proc_info,
114 .name = "MPT FC Host",
115 .info = mptscsih_info,
Michael Reed05e8ec12006-01-13 14:31:54 -0600116 .queuecommand = mptfc_qcmd,
Michael Reed3bc7bf12006-01-25 18:05:18 -0700117 .target_alloc = mptfc_target_alloc,
Michael Reed05e8ec12006-01-13 14:31:54 -0600118 .slave_alloc = mptfc_slave_alloc,
Moore, Eric Dean 2496af32005-04-22 18:02:41 -0400119 .slave_configure = mptscsih_slave_configure,
Michael Reed3bc7bf12006-01-25 18:05:18 -0700120 .target_destroy = mptfc_target_destroy,
Moore, Eric Dean 2496af32005-04-22 18:02:41 -0400121 .slave_destroy = mptscsih_slave_destroy,
Moore, Eric Dean6e3815b2005-06-24 12:18:57 -0600122 .change_queue_depth = mptscsih_change_queue_depth,
Michael Reed35508e42006-10-06 15:39:25 -0500123 .eh_abort_handler = mptfc_abort,
124 .eh_device_reset_handler = mptfc_dev_reset,
125 .eh_bus_reset_handler = mptfc_bus_reset,
126 .eh_host_reset_handler = mptfc_host_reset,
Moore, Eric Dean 2496af32005-04-22 18:02:41 -0400127 .bios_param = mptscsih_bios_param,
128 .can_queue = MPT_FC_CAN_QUEUE,
129 .this_id = -1,
130 .sg_tablesize = MPT_SCSI_SG_DEPTH,
131 .max_sectors = 8192,
132 .cmd_per_lun = 7,
133 .use_clustering = ENABLE_CLUSTERING,
Prakash, Sathyaedb90682007-07-17 14:39:14 +0530134 .shost_attrs = mptscsih_host_attrs,
Moore, Eric Dean 2496af32005-04-22 18:02:41 -0400135};
136
137/****************************************************************************
138 * Supported hardware
139 */
140
141static struct pci_device_id mptfc_pci_table[] = {
Eric Moore87cf8982006-06-27 16:09:26 -0600142 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVICEID_FC909,
Moore, Eric Dean 2496af32005-04-22 18:02:41 -0400143 PCI_ANY_ID, PCI_ANY_ID },
Eric Moore87cf8982006-06-27 16:09:26 -0600144 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVICEID_FC919,
Moore, Eric Dean 2496af32005-04-22 18:02:41 -0400145 PCI_ANY_ID, PCI_ANY_ID },
Eric Moore87cf8982006-06-27 16:09:26 -0600146 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVICEID_FC929,
Moore, Eric Dean 2496af32005-04-22 18:02:41 -0400147 PCI_ANY_ID, PCI_ANY_ID },
Eric Moore87cf8982006-06-27 16:09:26 -0600148 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVICEID_FC919X,
Moore, Eric Dean 2496af32005-04-22 18:02:41 -0400149 PCI_ANY_ID, PCI_ANY_ID },
Eric Moore87cf8982006-06-27 16:09:26 -0600150 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVICEID_FC929X,
Moore, Eric Dean 2496af32005-04-22 18:02:41 -0400151 PCI_ANY_ID, PCI_ANY_ID },
Eric Moore87cf8982006-06-27 16:09:26 -0600152 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVICEID_FC939X,
Moore, Eric Dean 3fadc592005-05-11 17:46:52 -0600153 PCI_ANY_ID, PCI_ANY_ID },
Eric Moore87cf8982006-06-27 16:09:26 -0600154 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVICEID_FC949X,
Moore, Eric Dean 3fadc592005-05-11 17:46:52 -0600155 PCI_ANY_ID, PCI_ANY_ID },
Eric Moore87cf8982006-06-27 16:09:26 -0600156 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVICEID_FC949E,
Moore, Eric6d5b0c32006-01-13 16:25:26 -0700157 PCI_ANY_ID, PCI_ANY_ID },
Prakash, Sathyaef1d8df2007-07-17 14:18:41 +0530158 { PCI_VENDOR_ID_BROCADE, MPI_MANUFACTPAGE_DEVICEID_FC949E,
159 PCI_ANY_ID, PCI_ANY_ID },
Moore, Eric Dean 2496af32005-04-22 18:02:41 -0400160 {0} /* Terminating entry */
161};
162MODULE_DEVICE_TABLE(pci, mptfc_pci_table);
163
Michael Reed05e8ec12006-01-13 14:31:54 -0600164static struct scsi_transport_template *mptfc_transport_template = NULL;
165
Adrian Bunk03fbcbc2006-01-25 02:00:52 +0100166static struct fc_function_template mptfc_transport_functions = {
Michael Reed05e8ec12006-01-13 14:31:54 -0600167 .dd_fcrport_size = 8,
168 .show_host_node_name = 1,
169 .show_host_port_name = 1,
170 .show_host_supported_classes = 1,
171 .show_host_port_id = 1,
172 .show_rport_supported_classes = 1,
173 .show_starget_node_name = 1,
174 .show_starget_port_name = 1,
175 .show_starget_port_id = 1,
176 .set_rport_dev_loss_tmo = mptfc_set_rport_loss_tmo,
177 .show_rport_dev_loss_tmo = 1,
Michael Reed5d947f22006-07-31 12:19:30 -0500178 .show_host_supported_speeds = 1,
179 .show_host_maxframe_size = 1,
180 .show_host_speed = 1,
181 .show_host_fabric_name = 1,
182 .show_host_port_type = 1,
183 .show_host_port_state = 1,
184 .show_host_symbolic_name = 1,
Michael Reed05e8ec12006-01-13 14:31:54 -0600185};
186
Michael Reed35508e42006-10-06 15:39:25 -0500187static int
188mptfc_block_error_handler(struct scsi_cmnd *SCpnt,
189 int (*func)(struct scsi_cmnd *SCpnt),
190 const char *caller)
191{
Prakash, Sathyad6ecdd62007-07-24 15:47:41 +0530192 MPT_SCSI_HOST *hd;
Michael Reed35508e42006-10-06 15:39:25 -0500193 struct scsi_device *sdev = SCpnt->device;
194 struct Scsi_Host *shost = sdev->host;
195 struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
196 unsigned long flags;
197 int ready;
Eric Mooree80b0022007-09-14 18:49:03 -0600198 MPT_ADAPTER *ioc;
Michael Reed03cb3822010-02-10 14:32:00 -0600199 int loops = 40; /* seconds */
Michael Reed35508e42006-10-06 15:39:25 -0500200
Eric Mooree7eae9f2007-09-29 10:15:59 -0600201 hd = shost_priv(SCpnt->device->host);
Eric Mooree80b0022007-09-14 18:49:03 -0600202 ioc = hd->ioc;
Michael Reed35508e42006-10-06 15:39:25 -0500203 spin_lock_irqsave(shost->host_lock, flags);
Michael Reed03cb3822010-02-10 14:32:00 -0600204 while ((ready = fc_remote_port_chkready(rport) >> 16) == DID_IMM_RETRY
205 || (loops > 0 && ioc->active == 0)) {
Michael Reed35508e42006-10-06 15:39:25 -0500206 spin_unlock_irqrestore(shost->host_lock, flags);
Eric Mooree80b0022007-09-14 18:49:03 -0600207 dfcprintk (ioc, printk(MYIOC_s_DEBUG_FMT
Michael Reed35508e42006-10-06 15:39:25 -0500208 "mptfc_block_error_handler.%d: %d:%d, port status is "
Michael Reed03cb3822010-02-10 14:32:00 -0600209 "%x, active flag %d, deferring %s recovery.\n",
Eric Mooree7eae9f2007-09-29 10:15:59 -0600210 ioc->name, ioc->sh->host_no,
Michael Reed03cb3822010-02-10 14:32:00 -0600211 SCpnt->device->id, SCpnt->device->lun,
212 ready, ioc->active, caller));
Michael Reed35508e42006-10-06 15:39:25 -0500213 msleep(1000);
214 spin_lock_irqsave(shost->host_lock, flags);
Michael Reed03cb3822010-02-10 14:32:00 -0600215 loops --;
Michael Reed35508e42006-10-06 15:39:25 -0500216 }
217 spin_unlock_irqrestore(shost->host_lock, flags);
218
Michael Reed03cb3822010-02-10 14:32:00 -0600219 if (ready == DID_NO_CONNECT || !SCpnt->device->hostdata
220 || ioc->active == 0) {
Eric Mooree80b0022007-09-14 18:49:03 -0600221 dfcprintk (ioc, printk(MYIOC_s_DEBUG_FMT
Michael Reed35508e42006-10-06 15:39:25 -0500222 "%s.%d: %d:%d, failing recovery, "
Michael Reed03cb3822010-02-10 14:32:00 -0600223 "port state %x, active %d, vdevice %p.\n", caller,
Eric Mooree7eae9f2007-09-29 10:15:59 -0600224 ioc->name, ioc->sh->host_no,
Eric Moore29dd3602007-09-14 18:46:51 -0600225 SCpnt->device->id, SCpnt->device->lun, ready,
Michael Reed03cb3822010-02-10 14:32:00 -0600226 ioc->active, SCpnt->device->hostdata));
Michael Reed35508e42006-10-06 15:39:25 -0500227 return FAILED;
228 }
Eric Mooree80b0022007-09-14 18:49:03 -0600229 dfcprintk (ioc, printk(MYIOC_s_DEBUG_FMT
Michael Reed35508e42006-10-06 15:39:25 -0500230 "%s.%d: %d:%d, executing recovery.\n", caller,
Eric Mooree7eae9f2007-09-29 10:15:59 -0600231 ioc->name, ioc->sh->host_no,
Eric Moore29dd3602007-09-14 18:46:51 -0600232 SCpnt->device->id, SCpnt->device->lun));
Michael Reed35508e42006-10-06 15:39:25 -0500233 return (*func)(SCpnt);
234}
235
236static int
237mptfc_abort(struct scsi_cmnd *SCpnt)
238{
239 return
Harvey Harrisoncadbd4a2008-07-03 23:47:27 -0700240 mptfc_block_error_handler(SCpnt, mptscsih_abort, __func__);
Michael Reed35508e42006-10-06 15:39:25 -0500241}
242
243static int
244mptfc_dev_reset(struct scsi_cmnd *SCpnt)
245{
246 return
Harvey Harrisoncadbd4a2008-07-03 23:47:27 -0700247 mptfc_block_error_handler(SCpnt, mptscsih_dev_reset, __func__);
Michael Reed35508e42006-10-06 15:39:25 -0500248}
249
250static int
251mptfc_bus_reset(struct scsi_cmnd *SCpnt)
252{
253 return
Harvey Harrisoncadbd4a2008-07-03 23:47:27 -0700254 mptfc_block_error_handler(SCpnt, mptscsih_bus_reset, __func__);
Michael Reed35508e42006-10-06 15:39:25 -0500255}
256
257static int
258mptfc_host_reset(struct scsi_cmnd *SCpnt)
259{
260 return
Harvey Harrisoncadbd4a2008-07-03 23:47:27 -0700261 mptfc_block_error_handler(SCpnt, mptscsih_host_reset, __func__);
Michael Reed35508e42006-10-06 15:39:25 -0500262}
263
Michael Reed05e8ec12006-01-13 14:31:54 -0600264static void
265mptfc_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout)
266{
267 if (timeout > 0)
268 rport->dev_loss_tmo = timeout;
269 else
270 rport->dev_loss_tmo = mptfc_dev_loss_tmo;
271}
272
273static int
274mptfc_FcDevPage0_cmp_func(const void *a, const void *b)
275{
276 FCDevicePage0_t **aa = (FCDevicePage0_t **)a;
277 FCDevicePage0_t **bb = (FCDevicePage0_t **)b;
278
279 if ((*aa)->CurrentBus == (*bb)->CurrentBus) {
280 if ((*aa)->CurrentTargetID == (*bb)->CurrentTargetID)
281 return 0;
282 if ((*aa)->CurrentTargetID < (*bb)->CurrentTargetID)
283 return -1;
284 return 1;
285 }
286 if ((*aa)->CurrentBus < (*bb)->CurrentBus)
287 return -1;
288 return 1;
289}
290
291static int
292mptfc_GetFcDevPage0(MPT_ADAPTER *ioc, int ioc_port,
293 void(*func)(MPT_ADAPTER *ioc,int channel, FCDevicePage0_t *arg))
294{
295 ConfigPageHeader_t hdr;
296 CONFIGPARMS cfg;
297 FCDevicePage0_t *ppage0_alloc, *fc;
298 dma_addr_t page0_dma;
299 int data_sz;
300 int ii;
301
302 FCDevicePage0_t *p0_array=NULL, *p_p0;
303 FCDevicePage0_t **pp0_array=NULL, **p_pp0;
304
305 int rc = -ENOMEM;
306 U32 port_id = 0xffffff;
307 int num_targ = 0;
308 int max_bus = ioc->facts.MaxBuses;
Eric Moore793955f2007-01-29 09:42:20 -0700309 int max_targ;
Michael Reed05e8ec12006-01-13 14:31:54 -0600310
Eric Moore793955f2007-01-29 09:42:20 -0700311 max_targ = (ioc->facts.MaxDevices == 0) ? 256 : ioc->facts.MaxDevices;
Michael Reed05e8ec12006-01-13 14:31:54 -0600312
313 data_sz = sizeof(FCDevicePage0_t) * max_bus * max_targ;
314 p_p0 = p0_array = kzalloc(data_sz, GFP_KERNEL);
315 if (!p0_array)
316 goto out;
317
318 data_sz = sizeof(FCDevicePage0_t *) * max_bus * max_targ;
319 p_pp0 = pp0_array = kzalloc(data_sz, GFP_KERNEL);
320 if (!pp0_array)
321 goto out;
322
323 do {
324 /* Get FC Device Page 0 header */
325 hdr.PageVersion = 0;
326 hdr.PageLength = 0;
327 hdr.PageNumber = 0;
328 hdr.PageType = MPI_CONFIG_PAGETYPE_FC_DEVICE;
329 cfg.cfghdr.hdr = &hdr;
330 cfg.physAddr = -1;
331 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
332 cfg.dir = 0;
333 cfg.pageAddr = port_id;
334 cfg.timeout = 0;
335
336 if ((rc = mpt_config(ioc, &cfg)) != 0)
337 break;
338
339 if (hdr.PageLength <= 0)
340 break;
341
342 data_sz = hdr.PageLength * 4;
343 ppage0_alloc = pci_alloc_consistent(ioc->pcidev, data_sz,
344 &page0_dma);
345 rc = -ENOMEM;
346 if (!ppage0_alloc)
347 break;
348
349 cfg.physAddr = page0_dma;
350 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
351
352 if ((rc = mpt_config(ioc, &cfg)) == 0) {
353 ppage0_alloc->PortIdentifier =
354 le32_to_cpu(ppage0_alloc->PortIdentifier);
355
356 ppage0_alloc->WWNN.Low =
357 le32_to_cpu(ppage0_alloc->WWNN.Low);
358
359 ppage0_alloc->WWNN.High =
360 le32_to_cpu(ppage0_alloc->WWNN.High);
361
362 ppage0_alloc->WWPN.Low =
363 le32_to_cpu(ppage0_alloc->WWPN.Low);
364
365 ppage0_alloc->WWPN.High =
366 le32_to_cpu(ppage0_alloc->WWPN.High);
367
368 ppage0_alloc->BBCredit =
369 le16_to_cpu(ppage0_alloc->BBCredit);
370
371 ppage0_alloc->MaxRxFrameSize =
372 le16_to_cpu(ppage0_alloc->MaxRxFrameSize);
373
374 port_id = ppage0_alloc->PortIdentifier;
375 num_targ++;
376 *p_p0 = *ppage0_alloc; /* save data */
377 *p_pp0++ = p_p0++; /* save addr */
378 }
379 pci_free_consistent(ioc->pcidev, data_sz,
380 (u8 *) ppage0_alloc, page0_dma);
381 if (rc != 0)
382 break;
383
384 } while (port_id <= 0xff0000);
385
386 if (num_targ) {
387 /* sort array */
388 if (num_targ > 1)
389 sort (pp0_array, num_targ, sizeof(FCDevicePage0_t *),
390 mptfc_FcDevPage0_cmp_func, NULL);
391 /* call caller's func for each targ */
392 for (ii = 0; ii < num_targ; ii++) {
393 fc = *(pp0_array+ii);
394 func(ioc, ioc_port, fc);
395 }
396 }
397
398 out:
Jesper Juhl8f760782006-06-27 02:55:06 -0700399 kfree(pp0_array);
400 kfree(p0_array);
Michael Reed05e8ec12006-01-13 14:31:54 -0600401 return rc;
402}
403
404static int
405mptfc_generate_rport_ids(FCDevicePage0_t *pg0, struct fc_rport_identifiers *rid)
406{
407 /* not currently usable */
408 if (pg0->Flags & (MPI_FC_DEVICE_PAGE0_FLAGS_PLOGI_INVALID |
409 MPI_FC_DEVICE_PAGE0_FLAGS_PRLI_INVALID))
410 return -1;
411
412 if (!(pg0->Flags & MPI_FC_DEVICE_PAGE0_FLAGS_TARGETID_BUS_VALID))
413 return -1;
414
415 if (!(pg0->Protocol & MPI_FC_DEVICE_PAGE0_PROT_FCP_TARGET))
416 return -1;
417
418 /*
419 * board data structure already normalized to platform endianness
420 * shifted to avoid unaligned access on 64 bit architecture
421 */
422 rid->node_name = ((u64)pg0->WWNN.High) << 32 | (u64)pg0->WWNN.Low;
423 rid->port_name = ((u64)pg0->WWPN.High) << 32 | (u64)pg0->WWPN.Low;
424 rid->port_id = pg0->PortIdentifier;
425 rid->roles = FC_RPORT_ROLE_UNKNOWN;
Michael Reed05e8ec12006-01-13 14:31:54 -0600426
427 return 0;
428}
429
430static void
431mptfc_register_dev(MPT_ADAPTER *ioc, int channel, FCDevicePage0_t *pg0)
432{
433 struct fc_rport_identifiers rport_ids;
434 struct fc_rport *rport;
435 struct mptfc_rport_info *ri;
Michael Reed3bc7bf12006-01-25 18:05:18 -0700436 int new_ri = 1;
Moore, Eric65207fe2006-04-21 16:14:35 -0600437 u64 pn, nn;
Michael Reed3bc7bf12006-01-25 18:05:18 -0700438 VirtTarget *vtarget;
mdr@sgi.com6dd727d2006-05-01 13:07:04 -0500439 u32 roles = FC_RPORT_ROLE_UNKNOWN;
Michael Reed05e8ec12006-01-13 14:31:54 -0600440
441 if (mptfc_generate_rport_ids(pg0, &rport_ids) < 0)
442 return;
443
mdr@sgi.com6dd727d2006-05-01 13:07:04 -0500444 roles |= FC_RPORT_ROLE_FCP_TARGET;
445 if (pg0->Protocol & MPI_FC_DEVICE_PAGE0_PROT_FCP_INITIATOR)
446 roles |= FC_RPORT_ROLE_FCP_INITIATOR;
447
Michael Reed05e8ec12006-01-13 14:31:54 -0600448 /* scan list looking for a match */
Michael Reed05e8ec12006-01-13 14:31:54 -0600449 list_for_each_entry(ri, &ioc->fc_rports, list) {
Michael Reed3bc7bf12006-01-25 18:05:18 -0700450 pn = (u64)ri->pg0.WWPN.High << 32 | (u64)ri->pg0.WWPN.Low;
451 if (pn == rport_ids.port_name) { /* match */
Michael Reed05e8ec12006-01-13 14:31:54 -0600452 list_move_tail(&ri->list, &ioc->fc_rports);
Michael Reed3bc7bf12006-01-25 18:05:18 -0700453 new_ri = 0;
Michael Reed05e8ec12006-01-13 14:31:54 -0600454 break;
455 }
456 }
Michael Reed3bc7bf12006-01-25 18:05:18 -0700457 if (new_ri) { /* allocate one */
Michael Reed05e8ec12006-01-13 14:31:54 -0600458 ri = kzalloc(sizeof(struct mptfc_rport_info), GFP_KERNEL);
459 if (!ri)
460 return;
Michael Reed05e8ec12006-01-13 14:31:54 -0600461 list_add_tail(&ri->list, &ioc->fc_rports);
462 }
463
464 ri->pg0 = *pg0; /* add/update pg0 data */
465 ri->flags &= ~MPT_RPORT_INFO_FLAGS_MISSING;
466
Michael Reed3bc7bf12006-01-25 18:05:18 -0700467 /* MPT_RPORT_INFO_FLAGS_REGISTERED - rport not previously deleted */
Michael Reed05e8ec12006-01-13 14:31:54 -0600468 if (!(ri->flags & MPT_RPORT_INFO_FLAGS_REGISTERED)) {
469 ri->flags |= MPT_RPORT_INFO_FLAGS_REGISTERED;
Michael Reed3bc7bf12006-01-25 18:05:18 -0700470 rport = fc_remote_port_add(ioc->sh, channel, &rport_ids);
Michael Reed05e8ec12006-01-13 14:31:54 -0600471 if (rport) {
Michael Reed3bc7bf12006-01-25 18:05:18 -0700472 ri->rport = rport;
473 if (new_ri) /* may have been reset by user */
474 rport->dev_loss_tmo = mptfc_dev_loss_tmo;
Michael Reed05e8ec12006-01-13 14:31:54 -0600475 /*
476 * if already mapped, remap here. If not mapped,
Michael Reed3bc7bf12006-01-25 18:05:18 -0700477 * target_alloc will allocate vtarget and map,
Eric Moorea69de502007-09-14 18:48:19 -0600478 * slave_alloc will fill in vdevice from vtarget.
Michael Reed05e8ec12006-01-13 14:31:54 -0600479 */
Michael Reed3bc7bf12006-01-25 18:05:18 -0700480 if (ri->starget) {
481 vtarget = ri->starget->hostdata;
482 if (vtarget) {
Eric Moore793955f2007-01-29 09:42:20 -0700483 vtarget->id = pg0->CurrentTargetID;
484 vtarget->channel = pg0->CurrentBus;
Michael Reed3bc7bf12006-01-25 18:05:18 -0700485 }
Michael Reed05e8ec12006-01-13 14:31:54 -0600486 }
Moore, Eric65207fe2006-04-21 16:14:35 -0600487 *((struct mptfc_rport_info **)rport->dd_data) = ri;
mdr@sgi.com6dd727d2006-05-01 13:07:04 -0500488 /* scan will be scheduled once rport becomes a target */
489 fc_remote_port_rolechg(rport,roles);
Moore, Eric65207fe2006-04-21 16:14:35 -0600490
491 pn = (u64)ri->pg0.WWPN.High << 32 | (u64)ri->pg0.WWPN.Low;
492 nn = (u64)ri->pg0.WWNN.High << 32 | (u64)ri->pg0.WWNN.Low;
Prakash, Sathyad6ecdd62007-07-24 15:47:41 +0530493 dfcprintk (ioc, printk(MYIOC_s_DEBUG_FMT
Michael Reed3bc7bf12006-01-25 18:05:18 -0700494 "mptfc_reg_dev.%d: %x, %llx / %llx, tid %d, "
Michael Reed05e8ec12006-01-13 14:31:54 -0600495 "rport tid %d, tmo %d\n",
Michael Reed3bc7bf12006-01-25 18:05:18 -0700496 ioc->name,
Moore, Eric914c2d82006-03-14 09:19:36 -0700497 ioc->sh->host_no,
Michael Reed05e8ec12006-01-13 14:31:54 -0600498 pg0->PortIdentifier,
Moore, Eric65207fe2006-04-21 16:14:35 -0600499 (unsigned long long)nn,
500 (unsigned long long)pn,
Michael Reed05e8ec12006-01-13 14:31:54 -0600501 pg0->CurrentTargetID,
502 ri->rport->scsi_target_id,
Michael Reed3bc7bf12006-01-25 18:05:18 -0700503 ri->rport->dev_loss_tmo));
Michael Reed05e8ec12006-01-13 14:31:54 -0600504 } else {
505 list_del(&ri->list);
506 kfree(ri);
507 ri = NULL;
508 }
509 }
Michael Reed05e8ec12006-01-13 14:31:54 -0600510}
511
512/*
Michael Reed3bc7bf12006-01-25 18:05:18 -0700513 * OS entry point to allow for host driver to free allocated memory
514 * Called if no device present or device being unloaded
515 */
516static void
517mptfc_target_destroy(struct scsi_target *starget)
518{
519 struct fc_rport *rport;
520 struct mptfc_rport_info *ri;
521
522 rport = starget_to_rport(starget);
523 if (rport) {
524 ri = *((struct mptfc_rport_info **)rport->dd_data);
525 if (ri) /* better be! */
526 ri->starget = NULL;
527 }
528 if (starget->hostdata)
529 kfree(starget->hostdata);
530 starget->hostdata = NULL;
531}
532
533/*
534 * OS entry point to allow host driver to alloc memory
535 * for each scsi target. Called once per device the bus scan.
536 * Return non-zero if allocation fails.
537 */
538static int
539mptfc_target_alloc(struct scsi_target *starget)
540{
541 VirtTarget *vtarget;
542 struct fc_rport *rport;
543 struct mptfc_rport_info *ri;
544 int rc;
545
546 vtarget = kzalloc(sizeof(VirtTarget), GFP_KERNEL);
547 if (!vtarget)
548 return -ENOMEM;
549 starget->hostdata = vtarget;
550
551 rc = -ENODEV;
552 rport = starget_to_rport(starget);
553 if (rport) {
554 ri = *((struct mptfc_rport_info **)rport->dd_data);
555 if (ri) { /* better be! */
Eric Moore793955f2007-01-29 09:42:20 -0700556 vtarget->id = ri->pg0.CurrentTargetID;
557 vtarget->channel = ri->pg0.CurrentBus;
Michael Reed3bc7bf12006-01-25 18:05:18 -0700558 ri->starget = starget;
Michael Reed3bc7bf12006-01-25 18:05:18 -0700559 rc = 0;
560 }
561 }
562 if (rc != 0) {
563 kfree(vtarget);
564 starget->hostdata = NULL;
565 }
566
567 return rc;
568}
Prakash, Sathyad6ecdd62007-07-24 15:47:41 +0530569/*
570 * mptfc_dump_lun_info
571 * @ioc
572 * @rport
573 * @sdev
574 *
575 */
576static void
577mptfc_dump_lun_info(MPT_ADAPTER *ioc, struct fc_rport *rport, struct scsi_device *sdev,
578 VirtTarget *vtarget)
579{
580 u64 nn, pn;
581 struct mptfc_rport_info *ri;
582
583 ri = *((struct mptfc_rport_info **)rport->dd_data);
584 pn = (u64)ri->pg0.WWPN.High << 32 | (u64)ri->pg0.WWPN.Low;
585 nn = (u64)ri->pg0.WWNN.High << 32 | (u64)ri->pg0.WWNN.Low;
586 dfcprintk (ioc, printk(MYIOC_s_DEBUG_FMT
587 "mptfc_slv_alloc.%d: num_luns %d, sdev.id %d, "
588 "CurrentTargetID %d, %x %llx %llx\n",
589 ioc->name,
590 sdev->host->host_no,
591 vtarget->num_luns,
592 sdev->id, ri->pg0.CurrentTargetID,
593 ri->pg0.PortIdentifier,
594 (unsigned long long)pn,
595 (unsigned long long)nn));
596}
597
Michael Reed3bc7bf12006-01-25 18:05:18 -0700598
599/*
Michael Reed05e8ec12006-01-13 14:31:54 -0600600 * OS entry point to allow host driver to alloc memory
601 * for each scsi device. Called once per device the bus scan.
602 * Return non-zero if allocation fails.
603 * Init memory once per LUN.
604 */
Adrian Bunk03fbcbc2006-01-25 02:00:52 +0100605static int
Michael Reed05e8ec12006-01-13 14:31:54 -0600606mptfc_slave_alloc(struct scsi_device *sdev)
607{
608 MPT_SCSI_HOST *hd;
609 VirtTarget *vtarget;
Eric Moorea69de502007-09-14 18:48:19 -0600610 VirtDevice *vdevice;
Michael Reed05e8ec12006-01-13 14:31:54 -0600611 struct scsi_target *starget;
612 struct fc_rport *rport;
Eric Mooree80b0022007-09-14 18:49:03 -0600613 MPT_ADAPTER *ioc;
Michael Reed05e8ec12006-01-13 14:31:54 -0600614
Moore, Eric65207fe2006-04-21 16:14:35 -0600615 starget = scsi_target(sdev);
616 rport = starget_to_rport(starget);
Michael Reed05e8ec12006-01-13 14:31:54 -0600617
618 if (!rport || fc_remote_port_chkready(rport))
619 return -ENXIO;
620
Eric Mooree7eae9f2007-09-29 10:15:59 -0600621 hd = shost_priv(sdev->host);
Eric Mooree80b0022007-09-14 18:49:03 -0600622 ioc = hd->ioc;
Michael Reed05e8ec12006-01-13 14:31:54 -0600623
Eric Moorea69de502007-09-14 18:48:19 -0600624 vdevice = kzalloc(sizeof(VirtDevice), GFP_KERNEL);
625 if (!vdevice) {
Michael Reed05e8ec12006-01-13 14:31:54 -0600626 printk(MYIOC_s_ERR_FMT "slave_alloc kmalloc(%zd) FAILED!\n",
Eric Mooree80b0022007-09-14 18:49:03 -0600627 ioc->name, sizeof(VirtDevice));
Michael Reed05e8ec12006-01-13 14:31:54 -0600628 return -ENOMEM;
629 }
Michael Reed05e8ec12006-01-13 14:31:54 -0600630
Michael Reed05e8ec12006-01-13 14:31:54 -0600631
Eric Moorea69de502007-09-14 18:48:19 -0600632 sdev->hostdata = vdevice;
Michael Reed05e8ec12006-01-13 14:31:54 -0600633 vtarget = starget->hostdata;
Michael Reed3bc7bf12006-01-25 18:05:18 -0700634
Michael Reed05e8ec12006-01-13 14:31:54 -0600635 if (vtarget->num_luns == 0) {
Eric Mooree80b0022007-09-14 18:49:03 -0600636 vtarget->ioc_id = ioc->id;
Eric Mooreba856d32006-07-11 17:34:01 -0600637 vtarget->tflags = MPT_TARGET_FLAGS_Q_YES;
Michael Reed05e8ec12006-01-13 14:31:54 -0600638 }
639
Eric Moorea69de502007-09-14 18:48:19 -0600640 vdevice->vtarget = vtarget;
641 vdevice->lun = sdev->lun;
Michael Reed05e8ec12006-01-13 14:31:54 -0600642
Michael Reed05e8ec12006-01-13 14:31:54 -0600643 vtarget->num_luns++;
644
Moore, Eric65207fe2006-04-21 16:14:35 -0600645
Eric Mooree80b0022007-09-14 18:49:03 -0600646 mptfc_dump_lun_info(ioc, rport, sdev, vtarget);
Michael Reed05e8ec12006-01-13 14:31:54 -0600647
648 return 0;
649}
650
651static int
652mptfc_qcmd(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *))
653{
Michael Reed3bc7bf12006-01-25 18:05:18 -0700654 struct mptfc_rport_info *ri;
Michael Reed05e8ec12006-01-13 14:31:54 -0600655 struct fc_rport *rport = starget_to_rport(scsi_target(SCpnt->device));
656 int err;
Eric Moorea69de502007-09-14 18:48:19 -0600657 VirtDevice *vdevice = SCpnt->device->hostdata;
Michael Reed05e8ec12006-01-13 14:31:54 -0600658
Eric Moorea69de502007-09-14 18:48:19 -0600659 if (!vdevice || !vdevice->vtarget) {
Eric Moore793955f2007-01-29 09:42:20 -0700660 SCpnt->result = DID_NO_CONNECT << 16;
Michael Reed05e8ec12006-01-13 14:31:54 -0600661 done(SCpnt);
662 return 0;
663 }
Michael Reed3bc7bf12006-01-25 18:05:18 -0700664
Eric Moore793955f2007-01-29 09:42:20 -0700665 err = fc_remote_port_chkready(rport);
666 if (unlikely(err)) {
667 SCpnt->result = err;
Michael Reed35508e42006-10-06 15:39:25 -0500668 done(SCpnt);
669 return 0;
670 }
671
Moore, Eric65207fe2006-04-21 16:14:35 -0600672 /* dd_data is null until finished adding target */
673 ri = *((struct mptfc_rport_info **)rport->dd_data);
674 if (unlikely(!ri)) {
Moore, Eric65207fe2006-04-21 16:14:35 -0600675 SCpnt->result = DID_IMM_RETRY << 16;
676 done(SCpnt);
677 return 0;
678 }
679
Prakash, Sathyad6ecdd62007-07-24 15:47:41 +0530680 return mptscsih_qcmd(SCpnt,done);
Michael Reed05e8ec12006-01-13 14:31:54 -0600681}
682
Michael Reed80d3ac72006-05-24 15:07:09 -0500683/*
Prakash, Sathyaeb5329f2007-08-14 16:19:32 +0530684 * mptfc_display_port_link_speed - displaying link speed
685 * @ioc: Pointer to MPT_ADAPTER structure
686 * @portnum: IOC Port number
687 * @pp0dest: port page0 data payload
688 *
689 */
690static void
691mptfc_display_port_link_speed(MPT_ADAPTER *ioc, int portnum, FCPortPage0_t *pp0dest)
692{
693 u8 old_speed, new_speed, state;
694 char *old, *new;
695
696 if (portnum >= 2)
697 return;
698
699 old_speed = ioc->fc_link_speed[portnum];
700 new_speed = pp0dest->CurrentSpeed;
701 state = pp0dest->PortState;
702
703 if (state != MPI_FCPORTPAGE0_PORTSTATE_OFFLINE &&
704 new_speed != MPI_FCPORTPAGE0_CURRENT_SPEED_UKNOWN) {
705
706 old = old_speed == MPI_FCPORTPAGE0_CURRENT_SPEED_1GBIT ? "1 Gbps" :
707 old_speed == MPI_FCPORTPAGE0_CURRENT_SPEED_2GBIT ? "2 Gbps" :
708 old_speed == MPI_FCPORTPAGE0_CURRENT_SPEED_4GBIT ? "4 Gbps" :
709 "Unknown";
710 new = new_speed == MPI_FCPORTPAGE0_CURRENT_SPEED_1GBIT ? "1 Gbps" :
711 new_speed == MPI_FCPORTPAGE0_CURRENT_SPEED_2GBIT ? "2 Gbps" :
712 new_speed == MPI_FCPORTPAGE0_CURRENT_SPEED_4GBIT ? "4 Gbps" :
713 "Unknown";
714 if (old_speed == 0)
715 printk(MYIOC_s_NOTE_FMT
716 "FC Link Established, Speed = %s\n",
717 ioc->name, new);
718 else if (old_speed != new_speed)
719 printk(MYIOC_s_WARN_FMT
720 "FC Link Speed Change, Old Speed = %s, New Speed = %s\n",
721 ioc->name, old, new);
722
723 ioc->fc_link_speed[portnum] = new_speed;
724 }
725}
726
727/*
Michael Reed80d3ac72006-05-24 15:07:09 -0500728 * mptfc_GetFcPortPage0 - Fetch FCPort config Page0.
729 * @ioc: Pointer to MPT_ADAPTER structure
730 * @portnum: IOC Port number
731 *
732 * Return: 0 for success
733 * -ENOMEM if no memory available
734 * -EPERM if not allowed due to ISR context
735 * -EAGAIN if no msg frames currently available
736 * -EFAULT for non-successful reply or no reply (timeout)
737 * -EINVAL portnum arg out of range (hardwired to two elements)
738 */
739static int
740mptfc_GetFcPortPage0(MPT_ADAPTER *ioc, int portnum)
741{
742 ConfigPageHeader_t hdr;
743 CONFIGPARMS cfg;
744 FCPortPage0_t *ppage0_alloc;
745 FCPortPage0_t *pp0dest;
746 dma_addr_t page0_dma;
747 int data_sz;
748 int copy_sz;
749 int rc;
750 int count = 400;
751
752 if (portnum > 1)
753 return -EINVAL;
754
755 /* Get FCPort Page 0 header */
756 hdr.PageVersion = 0;
757 hdr.PageLength = 0;
758 hdr.PageNumber = 0;
759 hdr.PageType = MPI_CONFIG_PAGETYPE_FC_PORT;
760 cfg.cfghdr.hdr = &hdr;
761 cfg.physAddr = -1;
762 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
763 cfg.dir = 0;
764 cfg.pageAddr = portnum;
765 cfg.timeout = 0;
766
767 if ((rc = mpt_config(ioc, &cfg)) != 0)
768 return rc;
769
770 if (hdr.PageLength == 0)
771 return 0;
772
773 data_sz = hdr.PageLength * 4;
774 rc = -ENOMEM;
775 ppage0_alloc = (FCPortPage0_t *) pci_alloc_consistent(ioc->pcidev, data_sz, &page0_dma);
776 if (ppage0_alloc) {
777
778 try_again:
779 memset((u8 *)ppage0_alloc, 0, data_sz);
780 cfg.physAddr = page0_dma;
781 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
782
783 if ((rc = mpt_config(ioc, &cfg)) == 0) {
784 /* save the data */
785 pp0dest = &ioc->fc_port_page0[portnum];
786 copy_sz = min_t(int, sizeof(FCPortPage0_t), data_sz);
787 memcpy(pp0dest, ppage0_alloc, copy_sz);
788
789 /*
790 * Normalize endianness of structure data,
791 * by byte-swapping all > 1 byte fields!
792 */
793 pp0dest->Flags = le32_to_cpu(pp0dest->Flags);
794 pp0dest->PortIdentifier = le32_to_cpu(pp0dest->PortIdentifier);
795 pp0dest->WWNN.Low = le32_to_cpu(pp0dest->WWNN.Low);
796 pp0dest->WWNN.High = le32_to_cpu(pp0dest->WWNN.High);
797 pp0dest->WWPN.Low = le32_to_cpu(pp0dest->WWPN.Low);
798 pp0dest->WWPN.High = le32_to_cpu(pp0dest->WWPN.High);
799 pp0dest->SupportedServiceClass = le32_to_cpu(pp0dest->SupportedServiceClass);
800 pp0dest->SupportedSpeeds = le32_to_cpu(pp0dest->SupportedSpeeds);
801 pp0dest->CurrentSpeed = le32_to_cpu(pp0dest->CurrentSpeed);
802 pp0dest->MaxFrameSize = le32_to_cpu(pp0dest->MaxFrameSize);
803 pp0dest->FabricWWNN.Low = le32_to_cpu(pp0dest->FabricWWNN.Low);
804 pp0dest->FabricWWNN.High = le32_to_cpu(pp0dest->FabricWWNN.High);
805 pp0dest->FabricWWPN.Low = le32_to_cpu(pp0dest->FabricWWPN.Low);
806 pp0dest->FabricWWPN.High = le32_to_cpu(pp0dest->FabricWWPN.High);
807 pp0dest->DiscoveredPortsCount = le32_to_cpu(pp0dest->DiscoveredPortsCount);
808 pp0dest->MaxInitiators = le32_to_cpu(pp0dest->MaxInitiators);
809
810 /*
811 * if still doing discovery,
812 * hang loose a while until finished
813 */
Michael Reed77d88ee2006-07-31 12:19:40 -0500814 if ((pp0dest->PortState == MPI_FCPORTPAGE0_PORTSTATE_UNKNOWN) ||
815 (pp0dest->PortState == MPI_FCPORTPAGE0_PORTSTATE_ONLINE &&
816 (pp0dest->Flags & MPI_FCPORTPAGE0_FLAGS_ATTACH_TYPE_MASK)
817 == MPI_FCPORTPAGE0_FLAGS_ATTACH_NO_INIT)) {
Michael Reed80d3ac72006-05-24 15:07:09 -0500818 if (count-- > 0) {
Michael Reedd6be06c2006-05-24 15:07:57 -0500819 msleep(100);
Michael Reed80d3ac72006-05-24 15:07:09 -0500820 goto try_again;
821 }
822 printk(MYIOC_s_INFO_FMT "Firmware discovery not"
823 " complete.\n",
824 ioc->name);
825 }
Prakash, Sathyaeb5329f2007-08-14 16:19:32 +0530826 mptfc_display_port_link_speed(ioc, portnum, pp0dest);
Michael Reed80d3ac72006-05-24 15:07:09 -0500827 }
828
829 pci_free_consistent(ioc->pcidev, data_sz, (u8 *) ppage0_alloc, page0_dma);
830 }
831
832 return rc;
833}
834
Michael Reedca2f9382006-05-24 15:07:24 -0500835static int
836mptfc_WriteFcPortPage1(MPT_ADAPTER *ioc, int portnum)
837{
838 ConfigPageHeader_t hdr;
839 CONFIGPARMS cfg;
840 int rc;
841
842 if (portnum > 1)
843 return -EINVAL;
844
845 if (!(ioc->fc_data.fc_port_page1[portnum].data))
846 return -EINVAL;
847
848 /* get fcport page 1 header */
849 hdr.PageVersion = 0;
850 hdr.PageLength = 0;
851 hdr.PageNumber = 1;
852 hdr.PageType = MPI_CONFIG_PAGETYPE_FC_PORT;
853 cfg.cfghdr.hdr = &hdr;
854 cfg.physAddr = -1;
855 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
856 cfg.dir = 0;
857 cfg.pageAddr = portnum;
858 cfg.timeout = 0;
859
860 if ((rc = mpt_config(ioc, &cfg)) != 0)
861 return rc;
862
863 if (hdr.PageLength == 0)
864 return -ENODEV;
865
866 if (hdr.PageLength*4 != ioc->fc_data.fc_port_page1[portnum].pg_sz)
867 return -EINVAL;
868
869 cfg.physAddr = ioc->fc_data.fc_port_page1[portnum].dma;
870 cfg.action = MPI_CONFIG_ACTION_PAGE_WRITE_CURRENT;
871 cfg.dir = 1;
872
873 rc = mpt_config(ioc, &cfg);
874
875 return rc;
876}
877
878static int
879mptfc_GetFcPortPage1(MPT_ADAPTER *ioc, int portnum)
880{
881 ConfigPageHeader_t hdr;
882 CONFIGPARMS cfg;
883 FCPortPage1_t *page1_alloc;
884 dma_addr_t page1_dma;
885 int data_sz;
886 int rc;
887
888 if (portnum > 1)
889 return -EINVAL;
890
891 /* get fcport page 1 header */
892 hdr.PageVersion = 0;
893 hdr.PageLength = 0;
894 hdr.PageNumber = 1;
895 hdr.PageType = MPI_CONFIG_PAGETYPE_FC_PORT;
896 cfg.cfghdr.hdr = &hdr;
897 cfg.physAddr = -1;
898 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
899 cfg.dir = 0;
900 cfg.pageAddr = portnum;
901 cfg.timeout = 0;
902
903 if ((rc = mpt_config(ioc, &cfg)) != 0)
904 return rc;
905
906 if (hdr.PageLength == 0)
907 return -ENODEV;
908
909start_over:
910
911 if (ioc->fc_data.fc_port_page1[portnum].data == NULL) {
912 data_sz = hdr.PageLength * 4;
913 if (data_sz < sizeof(FCPortPage1_t))
914 data_sz = sizeof(FCPortPage1_t);
915
916 page1_alloc = (FCPortPage1_t *) pci_alloc_consistent(ioc->pcidev,
917 data_sz,
918 &page1_dma);
919 if (!page1_alloc)
920 return -ENOMEM;
921 }
922 else {
923 page1_alloc = ioc->fc_data.fc_port_page1[portnum].data;
924 page1_dma = ioc->fc_data.fc_port_page1[portnum].dma;
925 data_sz = ioc->fc_data.fc_port_page1[portnum].pg_sz;
926 if (hdr.PageLength * 4 > data_sz) {
927 ioc->fc_data.fc_port_page1[portnum].data = NULL;
928 pci_free_consistent(ioc->pcidev, data_sz, (u8 *)
929 page1_alloc, page1_dma);
930 goto start_over;
931 }
932 }
933
934 memset(page1_alloc,0,data_sz);
935
936 cfg.physAddr = page1_dma;
937 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
938
939 if ((rc = mpt_config(ioc, &cfg)) == 0) {
940 ioc->fc_data.fc_port_page1[portnum].data = page1_alloc;
941 ioc->fc_data.fc_port_page1[portnum].pg_sz = data_sz;
942 ioc->fc_data.fc_port_page1[portnum].dma = page1_dma;
943 }
944 else {
945 ioc->fc_data.fc_port_page1[portnum].data = NULL;
946 pci_free_consistent(ioc->pcidev, data_sz, (u8 *)
947 page1_alloc, page1_dma);
948 }
949
950 return rc;
951}
952
953static void
954mptfc_SetFcPortPage1_defaults(MPT_ADAPTER *ioc)
955{
956 int ii;
957 FCPortPage1_t *pp1;
958
959 #define MPTFC_FW_DEVICE_TIMEOUT (1)
960 #define MPTFC_FW_IO_PEND_TIMEOUT (1)
961 #define ON_FLAGS (MPI_FCPORTPAGE1_FLAGS_IMMEDIATE_ERROR_REPLY)
962 #define OFF_FLAGS (MPI_FCPORTPAGE1_FLAGS_VERBOSE_RESCAN_EVENTS)
963
964 for (ii=0; ii<ioc->facts.NumberOfPorts; ii++) {
965 if (mptfc_GetFcPortPage1(ioc, ii) != 0)
966 continue;
967 pp1 = ioc->fc_data.fc_port_page1[ii].data;
968 if ((pp1->InitiatorDeviceTimeout == MPTFC_FW_DEVICE_TIMEOUT)
969 && (pp1->InitiatorIoPendTimeout == MPTFC_FW_IO_PEND_TIMEOUT)
970 && ((pp1->Flags & ON_FLAGS) == ON_FLAGS)
971 && ((pp1->Flags & OFF_FLAGS) == 0))
972 continue;
973 pp1->InitiatorDeviceTimeout = MPTFC_FW_DEVICE_TIMEOUT;
974 pp1->InitiatorIoPendTimeout = MPTFC_FW_IO_PEND_TIMEOUT;
975 pp1->Flags &= ~OFF_FLAGS;
976 pp1->Flags |= ON_FLAGS;
977 mptfc_WriteFcPortPage1(ioc, ii);
978 }
979}
980
981
Michael Reed05e8ec12006-01-13 14:31:54 -0600982static void
983mptfc_init_host_attr(MPT_ADAPTER *ioc,int portnum)
984{
Michael Reed5d947f22006-07-31 12:19:30 -0500985 unsigned class = 0;
986 unsigned cos = 0;
987 unsigned speed;
988 unsigned port_type;
989 unsigned port_state;
990 FCPortPage0_t *pp0;
991 struct Scsi_Host *sh;
992 char *sn;
Michael Reed05e8ec12006-01-13 14:31:54 -0600993
994 /* don't know what to do as only one scsi (fc) host was allocated */
995 if (portnum != 0)
996 return;
997
Michael Reed5d947f22006-07-31 12:19:30 -0500998 pp0 = &ioc->fc_port_page0[portnum];
999 sh = ioc->sh;
1000
1001 sn = fc_host_symbolic_name(sh);
1002 snprintf(sn, FC_SYMBOLIC_NAME_SIZE, "%s %s%08xh",
1003 ioc->prod_name,
1004 MPT_FW_REV_MAGIC_ID_STRING,
1005 ioc->facts.FWVersion.Word);
1006
1007 fc_host_tgtid_bind_type(sh) = FC_TGTID_BIND_BY_WWPN;
1008
1009 fc_host_maxframe_size(sh) = pp0->MaxFrameSize;
1010
1011 fc_host_node_name(sh) =
1012 (u64)pp0->WWNN.High << 32 | (u64)pp0->WWNN.Low;
1013
1014 fc_host_port_name(sh) =
1015 (u64)pp0->WWPN.High << 32 | (u64)pp0->WWPN.Low;
1016
1017 fc_host_port_id(sh) = pp0->PortIdentifier;
1018
1019 class = pp0->SupportedServiceClass;
Michael Reed05e8ec12006-01-13 14:31:54 -06001020 if (class & MPI_FCPORTPAGE0_SUPPORT_CLASS_1)
1021 cos |= FC_COS_CLASS1;
1022 if (class & MPI_FCPORTPAGE0_SUPPORT_CLASS_2)
1023 cos |= FC_COS_CLASS2;
1024 if (class & MPI_FCPORTPAGE0_SUPPORT_CLASS_3)
1025 cos |= FC_COS_CLASS3;
Michael Reed5d947f22006-07-31 12:19:30 -05001026 fc_host_supported_classes(sh) = cos;
Michael Reed05e8ec12006-01-13 14:31:54 -06001027
Michael Reed5d947f22006-07-31 12:19:30 -05001028 if (pp0->CurrentSpeed == MPI_FCPORTPAGE0_CURRENT_SPEED_1GBIT)
1029 speed = FC_PORTSPEED_1GBIT;
1030 else if (pp0->CurrentSpeed == MPI_FCPORTPAGE0_CURRENT_SPEED_2GBIT)
1031 speed = FC_PORTSPEED_2GBIT;
1032 else if (pp0->CurrentSpeed == MPI_FCPORTPAGE0_CURRENT_SPEED_4GBIT)
1033 speed = FC_PORTSPEED_4GBIT;
1034 else if (pp0->CurrentSpeed == MPI_FCPORTPAGE0_CURRENT_SPEED_10GBIT)
1035 speed = FC_PORTSPEED_10GBIT;
1036 else
1037 speed = FC_PORTSPEED_UNKNOWN;
1038 fc_host_speed(sh) = speed;
Michael Reed05e8ec12006-01-13 14:31:54 -06001039
Michael Reed5d947f22006-07-31 12:19:30 -05001040 speed = 0;
1041 if (pp0->SupportedSpeeds & MPI_FCPORTPAGE0_SUPPORT_1GBIT_SPEED)
1042 speed |= FC_PORTSPEED_1GBIT;
1043 if (pp0->SupportedSpeeds & MPI_FCPORTPAGE0_SUPPORT_2GBIT_SPEED)
1044 speed |= FC_PORTSPEED_2GBIT;
1045 if (pp0->SupportedSpeeds & MPI_FCPORTPAGE0_SUPPORT_4GBIT_SPEED)
1046 speed |= FC_PORTSPEED_4GBIT;
1047 if (pp0->SupportedSpeeds & MPI_FCPORTPAGE0_SUPPORT_10GBIT_SPEED)
1048 speed |= FC_PORTSPEED_10GBIT;
1049 fc_host_supported_speeds(sh) = speed;
Michael Reed05e8ec12006-01-13 14:31:54 -06001050
Michael Reed5d947f22006-07-31 12:19:30 -05001051 port_state = FC_PORTSTATE_UNKNOWN;
1052 if (pp0->PortState == MPI_FCPORTPAGE0_PORTSTATE_ONLINE)
1053 port_state = FC_PORTSTATE_ONLINE;
1054 else if (pp0->PortState == MPI_FCPORTPAGE0_PORTSTATE_OFFLINE)
1055 port_state = FC_PORTSTATE_LINKDOWN;
1056 fc_host_port_state(sh) = port_state;
Michael Reed05e8ec12006-01-13 14:31:54 -06001057
Michael Reed5d947f22006-07-31 12:19:30 -05001058 port_type = FC_PORTTYPE_UNKNOWN;
1059 if (pp0->Flags & MPI_FCPORTPAGE0_FLAGS_ATTACH_POINT_TO_POINT)
1060 port_type = FC_PORTTYPE_PTP;
1061 else if (pp0->Flags & MPI_FCPORTPAGE0_FLAGS_ATTACH_PRIVATE_LOOP)
1062 port_type = FC_PORTTYPE_LPORT;
1063 else if (pp0->Flags & MPI_FCPORTPAGE0_FLAGS_ATTACH_PUBLIC_LOOP)
1064 port_type = FC_PORTTYPE_NLPORT;
1065 else if (pp0->Flags & MPI_FCPORTPAGE0_FLAGS_ATTACH_FABRIC_DIRECT)
1066 port_type = FC_PORTTYPE_NPORT;
1067 fc_host_port_type(sh) = port_type;
Michael Reed05e8ec12006-01-13 14:31:54 -06001068
Michael Reed5d947f22006-07-31 12:19:30 -05001069 fc_host_fabric_name(sh) =
1070 (pp0->Flags & MPI_FCPORTPAGE0_FLAGS_FABRIC_WWN_VALID) ?
1071 (u64) pp0->FabricWWNN.High << 32 | (u64) pp0->FabricWWPN.Low :
1072 (u64)pp0->WWNN.High << 32 | (u64)pp0->WWNN.Low;
1073
Michael Reed05e8ec12006-01-13 14:31:54 -06001074}
1075
1076static void
Prakash, Sathyaeb5329f2007-08-14 16:19:32 +05301077mptfc_link_status_change(struct work_struct *work)
1078{
1079 MPT_ADAPTER *ioc =
1080 container_of(work, MPT_ADAPTER, fc_rescan_work);
1081 int ii;
1082
1083 for (ii=0; ii < ioc->facts.NumberOfPorts; ii++)
1084 (void) mptfc_GetFcPortPage0(ioc, ii);
1085
1086}
1087
1088static void
David Howellsc4028952006-11-22 14:57:56 +00001089mptfc_setup_reset(struct work_struct *work)
Michael Reed419835e2006-05-24 15:07:40 -05001090{
David Howellsc4028952006-11-22 14:57:56 +00001091 MPT_ADAPTER *ioc =
1092 container_of(work, MPT_ADAPTER, fc_setup_reset_work);
Michael Reed419835e2006-05-24 15:07:40 -05001093 u64 pn;
1094 struct mptfc_rport_info *ri;
1095
1096 /* reset about to happen, delete (block) all rports */
1097 list_for_each_entry(ri, &ioc->fc_rports, list) {
1098 if (ri->flags & MPT_RPORT_INFO_FLAGS_REGISTERED) {
1099 ri->flags &= ~MPT_RPORT_INFO_FLAGS_REGISTERED;
1100 fc_remote_port_delete(ri->rport); /* won't sleep */
1101 ri->rport = NULL;
1102
1103 pn = (u64)ri->pg0.WWPN.High << 32 |
1104 (u64)ri->pg0.WWPN.Low;
Prakash, Sathyad6ecdd62007-07-24 15:47:41 +05301105 dfcprintk (ioc, printk(MYIOC_s_DEBUG_FMT
Michael Reed419835e2006-05-24 15:07:40 -05001106 "mptfc_setup_reset.%d: %llx deleted\n",
1107 ioc->name,
1108 ioc->sh->host_no,
1109 (unsigned long long)pn));
1110 }
1111 }
1112}
1113
1114static void
David Howellsc4028952006-11-22 14:57:56 +00001115mptfc_rescan_devices(struct work_struct *work)
Michael Reed05e8ec12006-01-13 14:31:54 -06001116{
David Howellsc4028952006-11-22 14:57:56 +00001117 MPT_ADAPTER *ioc =
1118 container_of(work, MPT_ADAPTER, fc_rescan_work);
Michael Reed05e8ec12006-01-13 14:31:54 -06001119 int ii;
Moore, Eric65207fe2006-04-21 16:14:35 -06001120 u64 pn;
Michael Reed05e8ec12006-01-13 14:31:54 -06001121 struct mptfc_rport_info *ri;
1122
Michael Reed3a0c56d2006-07-31 12:19:50 -05001123 /* start by tagging all ports as missing */
1124 list_for_each_entry(ri, &ioc->fc_rports, list) {
1125 if (ri->flags & MPT_RPORT_INFO_FLAGS_REGISTERED) {
1126 ri->flags |= MPT_RPORT_INFO_FLAGS_MISSING;
Michael Reed05e8ec12006-01-13 14:31:54 -06001127 }
Michael Reed3a0c56d2006-07-31 12:19:50 -05001128 }
Michael Reed05e8ec12006-01-13 14:31:54 -06001129
Michael Reed3a0c56d2006-07-31 12:19:50 -05001130 /*
1131 * now rescan devices known to adapter,
1132 * will reregister existing rports
1133 */
1134 for (ii=0; ii < ioc->facts.NumberOfPorts; ii++) {
1135 (void) mptfc_GetFcPortPage0(ioc, ii);
1136 mptfc_init_host_attr(ioc, ii); /* refresh */
1137 mptfc_GetFcDevPage0(ioc, ii, mptfc_register_dev);
1138 }
1139
1140 /* delete devices still missing */
1141 list_for_each_entry(ri, &ioc->fc_rports, list) {
1142 /* if newly missing, delete it */
1143 if (ri->flags & MPT_RPORT_INFO_FLAGS_MISSING) {
1144
1145 ri->flags &= ~(MPT_RPORT_INFO_FLAGS_REGISTERED|
1146 MPT_RPORT_INFO_FLAGS_MISSING);
1147 fc_remote_port_delete(ri->rport); /* won't sleep */
1148 ri->rport = NULL;
1149
1150 pn = (u64)ri->pg0.WWPN.High << 32 |
1151 (u64)ri->pg0.WWPN.Low;
Prakash, Sathyad6ecdd62007-07-24 15:47:41 +05301152 dfcprintk (ioc, printk(MYIOC_s_DEBUG_FMT
Michael Reed3a0c56d2006-07-31 12:19:50 -05001153 "mptfc_rescan.%d: %llx deleted\n",
1154 ioc->name,
1155 ioc->sh->host_no,
1156 (unsigned long long)pn));
Michael Reed05e8ec12006-01-13 14:31:54 -06001157 }
Michael Reed3a0c56d2006-07-31 12:19:50 -05001158 }
Michael Reed05e8ec12006-01-13 14:31:54 -06001159}
1160
Moore, Eric Dean 2496af32005-04-22 18:02:41 -04001161static int
1162mptfc_probe(struct pci_dev *pdev, const struct pci_device_id *id)
1163{
1164 struct Scsi_Host *sh;
1165 MPT_SCSI_HOST *hd;
1166 MPT_ADAPTER *ioc;
1167 unsigned long flags;
Christoph Hellwig1ca00bb2006-01-13 18:27:50 +01001168 int ii;
Moore, Eric Dean 2496af32005-04-22 18:02:41 -04001169 int numSGE = 0;
1170 int scale;
1171 int ioc_cap;
Moore, Eric Dean 2496af32005-04-22 18:02:41 -04001172 int error=0;
1173 int r;
Michael Reed05e8ec12006-01-13 14:31:54 -06001174
Moore, Eric Dean 2496af32005-04-22 18:02:41 -04001175 if ((r = mpt_attach(pdev,id)) != 0)
1176 return r;
Michael Reed05e8ec12006-01-13 14:31:54 -06001177
Moore, Eric Dean 2496af32005-04-22 18:02:41 -04001178 ioc = pci_get_drvdata(pdev);
Moore, Eric Dean d335cc32005-04-30 17:09:38 -05001179 ioc->DoneCtx = mptfcDoneCtx;
1180 ioc->TaskCtx = mptfcTaskCtx;
1181 ioc->InternalCtx = mptfcInternalCtx;
Moore, Eric Dean 2496af32005-04-22 18:02:41 -04001182
1183 /* Added sanity check on readiness of the MPT adapter.
1184 */
1185 if (ioc->last_state != MPI_IOC_STATE_OPERATIONAL) {
1186 printk(MYIOC_s_WARN_FMT
1187 "Skipping because it's not operational!\n",
1188 ioc->name);
Moore, Eric Dean7acec1e2005-11-16 18:54:17 -07001189 error = -ENODEV;
1190 goto out_mptfc_probe;
Moore, Eric Dean 2496af32005-04-22 18:02:41 -04001191 }
1192
1193 if (!ioc->active) {
1194 printk(MYIOC_s_WARN_FMT "Skipping because it's disabled!\n",
1195 ioc->name);
Moore, Eric Dean7acec1e2005-11-16 18:54:17 -07001196 error = -ENODEV;
1197 goto out_mptfc_probe;
Moore, Eric Dean 2496af32005-04-22 18:02:41 -04001198 }
1199
1200 /* Sanity check - ensure at least 1 port is INITIATOR capable
1201 */
1202 ioc_cap = 0;
1203 for (ii=0; ii < ioc->facts.NumberOfPorts; ii++) {
1204 if (ioc->pfacts[ii].ProtocolFlags &
1205 MPI_PORTFACTS_PROTOCOL_INITIATOR)
1206 ioc_cap ++;
1207 }
1208
1209 if (!ioc_cap) {
1210 printk(MYIOC_s_WARN_FMT
1211 "Skipping ioc=%p because SCSI Initiator mode is NOT enabled!\n",
1212 ioc->name, ioc);
Eric Moore793955f2007-01-29 09:42:20 -07001213 return 0;
Moore, Eric Dean 2496af32005-04-22 18:02:41 -04001214 }
1215
1216 sh = scsi_host_alloc(&mptfc_driver_template, sizeof(MPT_SCSI_HOST));
1217
1218 if (!sh) {
1219 printk(MYIOC_s_WARN_FMT
1220 "Unable to register controller with SCSI subsystem\n",
1221 ioc->name);
Moore, Eric Dean7acec1e2005-11-16 18:54:17 -07001222 error = -1;
1223 goto out_mptfc_probe;
Moore, Eric Dean 2496af32005-04-22 18:02:41 -04001224 }
1225
Michael Reed80d3ac72006-05-24 15:07:09 -05001226 spin_lock_init(&ioc->fc_rescan_work_lock);
David Howellsc4028952006-11-22 14:57:56 +00001227 INIT_WORK(&ioc->fc_rescan_work, mptfc_rescan_devices);
1228 INIT_WORK(&ioc->fc_setup_reset_work, mptfc_setup_reset);
Prakash, Sathyaeb5329f2007-08-14 16:19:32 +05301229 INIT_WORK(&ioc->fc_lsc_work, mptfc_link_status_change);
Michael Reed05e8ec12006-01-13 14:31:54 -06001230
Moore, Eric Dean 2496af32005-04-22 18:02:41 -04001231 spin_lock_irqsave(&ioc->FreeQlock, flags);
1232
1233 /* Attach the SCSI Host to the IOC structure
1234 */
1235 ioc->sh = sh;
1236
1237 sh->io_port = 0;
1238 sh->n_io_port = 0;
1239 sh->irq = 0;
1240
1241 /* set 16 byte cdb's */
1242 sh->max_cmd_len = 16;
1243
Eric Moore793955f2007-01-29 09:42:20 -07001244 sh->max_id = ioc->pfacts->MaxDevices;
1245 sh->max_lun = max_lun;
Moore, Eric Dean 2496af32005-04-22 18:02:41 -04001246
Moore, Eric Dean 2496af32005-04-22 18:02:41 -04001247 /* Required entry.
1248 */
1249 sh->unique_id = ioc->id;
1250
1251 /* Verify that we won't exceed the maximum
1252 * number of chain buffers
1253 * We can optimize: ZZ = req_sz/sizeof(SGE)
1254 * For 32bit SGE's:
1255 * numSGE = 1 + (ZZ-1)*(maxChain -1) + ZZ
1256 * + (req_sz - 64)/sizeof(SGE)
1257 * A slightly different algorithm is required for
1258 * 64bit SGEs.
1259 */
Kashyap, Desai14d0f0b2009-05-29 16:37:04 +05301260 scale = ioc->req_sz/ioc->SGE_size;
1261 if (ioc->sg_addr_size == sizeof(u64)) {
Moore, Eric Dean 2496af32005-04-22 18:02:41 -04001262 numSGE = (scale - 1) *
1263 (ioc->facts.MaxChainDepth-1) + scale +
Kashyap, Desai14d0f0b2009-05-29 16:37:04 +05301264 (ioc->req_sz - 60) / ioc->SGE_size;
Moore, Eric Dean 2496af32005-04-22 18:02:41 -04001265 } else {
1266 numSGE = 1 + (scale - 1) *
1267 (ioc->facts.MaxChainDepth-1) + scale +
Kashyap, Desai14d0f0b2009-05-29 16:37:04 +05301268 (ioc->req_sz - 64) / ioc->SGE_size;
Moore, Eric Dean 2496af32005-04-22 18:02:41 -04001269 }
1270
1271 if (numSGE < sh->sg_tablesize) {
1272 /* Reset this value */
Prakash, Sathyad6ecdd62007-07-24 15:47:41 +05301273 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT
Moore, Eric Dean 2496af32005-04-22 18:02:41 -04001274 "Resetting sg_tablesize to %d from %d\n",
1275 ioc->name, numSGE, sh->sg_tablesize));
1276 sh->sg_tablesize = numSGE;
1277 }
1278
Moore, Eric Dean 2496af32005-04-22 18:02:41 -04001279 spin_unlock_irqrestore(&ioc->FreeQlock, flags);
1280
Eric Mooree7eae9f2007-09-29 10:15:59 -06001281 hd = shost_priv(sh);
Moore, Eric Dean 2496af32005-04-22 18:02:41 -04001282 hd->ioc = ioc;
1283
1284 /* SCSI needs scsi_cmnd lookup table!
1285 * (with size equal to req_depth*PtrSz!)
1286 */
Eric Mooree8206382007-09-29 10:16:53 -06001287 ioc->ScsiLookup = kcalloc(ioc->req_depth, sizeof(void *), GFP_ATOMIC);
1288 if (!ioc->ScsiLookup) {
Moore, Eric Dean 2496af32005-04-22 18:02:41 -04001289 error = -ENOMEM;
Moore, Eric Dean7acec1e2005-11-16 18:54:17 -07001290 goto out_mptfc_probe;
Moore, Eric Dean 2496af32005-04-22 18:02:41 -04001291 }
Eric Mooree8206382007-09-29 10:16:53 -06001292 spin_lock_init(&ioc->scsi_lookup_lock);
Moore, Eric Dean 2496af32005-04-22 18:02:41 -04001293
Prakash, Sathyad6ecdd62007-07-24 15:47:41 +05301294 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ScsiLookup @ %p\n",
Eric Mooree8206382007-09-29 10:16:53 -06001295 ioc->name, ioc->ScsiLookup));
Moore, Eric Dean 2496af32005-04-22 18:02:41 -04001296
Moore, Eric Dean 2496af32005-04-22 18:02:41 -04001297 hd->last_queue_full = 0;
1298
Michael Reed05e8ec12006-01-13 14:31:54 -06001299 sh->transportt = mptfc_transport_template;
Moore, Eric Dean 2496af32005-04-22 18:02:41 -04001300 error = scsi_add_host (sh, &ioc->pcidev->dev);
1301 if(error) {
Eric Moore29dd3602007-09-14 18:46:51 -06001302 dprintk(ioc, printk(MYIOC_s_ERR_FMT
1303 "scsi_add_host failed\n", ioc->name));
Moore, Eric Dean7acec1e2005-11-16 18:54:17 -07001304 goto out_mptfc_probe;
Moore, Eric Dean 2496af32005-04-22 18:02:41 -04001305 }
1306
Moore, Eric65207fe2006-04-21 16:14:35 -06001307 /* initialize workqueue */
1308
Kay Sieversaab0de22008-05-02 06:02:41 +02001309 snprintf(ioc->fc_rescan_work_q_name, sizeof(ioc->fc_rescan_work_q_name),
1310 "mptfc_wq_%d", sh->host_no);
Moore, Eric65207fe2006-04-21 16:14:35 -06001311 ioc->fc_rescan_work_q =
1312 create_singlethread_workqueue(ioc->fc_rescan_work_q_name);
1313 if (!ioc->fc_rescan_work_q)
1314 goto out_mptfc_probe;
1315
1316 /*
Michael Reed80d3ac72006-05-24 15:07:09 -05001317 * Pre-fetch FC port WWN and stuff...
1318 * (FCPortPage0_t stuff)
1319 */
1320 for (ii=0; ii < ioc->facts.NumberOfPorts; ii++) {
1321 (void) mptfc_GetFcPortPage0(ioc, ii);
1322 }
Michael Reedca2f9382006-05-24 15:07:24 -05001323 mptfc_SetFcPortPage1_defaults(ioc);
Michael Reed80d3ac72006-05-24 15:07:09 -05001324
1325 /*
Moore, Eric65207fe2006-04-21 16:14:35 -06001326 * scan for rports -
1327 * by doing it via the workqueue, some locking is eliminated
1328 */
1329
Moore, Eric65207fe2006-04-21 16:14:35 -06001330 queue_work(ioc->fc_rescan_work_q, &ioc->fc_rescan_work);
1331 flush_workqueue(ioc->fc_rescan_work_q);
Michael Reed05e8ec12006-01-13 14:31:54 -06001332
Moore, Eric Dean 2496af32005-04-22 18:02:41 -04001333 return 0;
1334
Moore, Eric Dean7acec1e2005-11-16 18:54:17 -07001335out_mptfc_probe:
Moore, Eric Dean 2496af32005-04-22 18:02:41 -04001336
1337 mptscsih_remove(pdev);
1338 return error;
1339}
1340
1341static struct pci_driver mptfc_driver = {
1342 .name = "mptfc",
1343 .id_table = mptfc_pci_table,
1344 .probe = mptfc_probe,
Michael Reed05e8ec12006-01-13 14:31:54 -06001345 .remove = __devexit_p(mptfc_remove),
Greg Kroah-Hartmand18c3db2005-06-23 17:35:56 -07001346 .shutdown = mptscsih_shutdown,
Moore, Eric Dean 2496af32005-04-22 18:02:41 -04001347#ifdef CONFIG_PM
1348 .suspend = mptscsih_suspend,
1349 .resume = mptscsih_resume,
1350#endif
1351};
1352
Michael Reed80d3ac72006-05-24 15:07:09 -05001353static int
1354mptfc_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply)
1355{
1356 MPT_SCSI_HOST *hd;
1357 u8 event = le32_to_cpu(pEvReply->Event) & 0xFF;
1358 unsigned long flags;
1359 int rc=1;
1360
Prakash, Sathyad6ecdd62007-07-24 15:47:41 +05301361 devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT "MPT event (=%02Xh) routed to SCSI host driver!\n",
Michael Reed80d3ac72006-05-24 15:07:09 -05001362 ioc->name, event));
1363
1364 if (ioc->sh == NULL ||
Eric Mooree7eae9f2007-09-29 10:15:59 -06001365 ((hd = shost_priv(ioc->sh)) == NULL))
Michael Reed80d3ac72006-05-24 15:07:09 -05001366 return 1;
1367
1368 switch (event) {
1369 case MPI_EVENT_RESCAN:
1370 spin_lock_irqsave(&ioc->fc_rescan_work_lock, flags);
1371 if (ioc->fc_rescan_work_q) {
Michael Reed3a0c56d2006-07-31 12:19:50 -05001372 queue_work(ioc->fc_rescan_work_q,
1373 &ioc->fc_rescan_work);
Michael Reed80d3ac72006-05-24 15:07:09 -05001374 }
1375 spin_unlock_irqrestore(&ioc->fc_rescan_work_lock, flags);
1376 break;
Prakash, Sathyaeb5329f2007-08-14 16:19:32 +05301377 case MPI_EVENT_LINK_STATUS_CHANGE:
1378 spin_lock_irqsave(&ioc->fc_rescan_work_lock, flags);
1379 if (ioc->fc_rescan_work_q) {
1380 queue_work(ioc->fc_rescan_work_q,
1381 &ioc->fc_lsc_work);
1382 }
1383 spin_unlock_irqrestore(&ioc->fc_rescan_work_lock, flags);
1384 break;
Michael Reed80d3ac72006-05-24 15:07:09 -05001385 default:
1386 rc = mptscsih_event_process(ioc,pEvReply);
1387 break;
1388 }
1389 return rc;
1390}
1391
1392static int
1393mptfc_ioc_reset(MPT_ADAPTER *ioc, int reset_phase)
1394{
1395 int rc;
1396 unsigned long flags;
1397
1398 rc = mptscsih_ioc_reset(ioc,reset_phase);
1399 if (rc == 0)
1400 return rc;
1401
1402
Prakash, Sathyad6ecdd62007-07-24 15:47:41 +05301403 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1404 ": IOC %s_reset routed to FC host driver!\n",ioc->name,
Michael Reed80d3ac72006-05-24 15:07:09 -05001405 reset_phase==MPT_IOC_SETUP_RESET ? "setup" : (
1406 reset_phase==MPT_IOC_PRE_RESET ? "pre" : "post")));
1407
1408 if (reset_phase == MPT_IOC_SETUP_RESET) {
Michael Reed419835e2006-05-24 15:07:40 -05001409 spin_lock_irqsave(&ioc->fc_rescan_work_lock, flags);
1410 if (ioc->fc_rescan_work_q) {
1411 queue_work(ioc->fc_rescan_work_q,
1412 &ioc->fc_setup_reset_work);
1413 }
1414 spin_unlock_irqrestore(&ioc->fc_rescan_work_lock, flags);
Michael Reed80d3ac72006-05-24 15:07:09 -05001415 }
1416
1417 else if (reset_phase == MPT_IOC_PRE_RESET) {
1418 }
1419
1420 else { /* MPT_IOC_POST_RESET */
Michael Reedca2f9382006-05-24 15:07:24 -05001421 mptfc_SetFcPortPage1_defaults(ioc);
Michael Reed80d3ac72006-05-24 15:07:09 -05001422 spin_lock_irqsave(&ioc->fc_rescan_work_lock, flags);
1423 if (ioc->fc_rescan_work_q) {
Michael Reed3a0c56d2006-07-31 12:19:50 -05001424 queue_work(ioc->fc_rescan_work_q,
1425 &ioc->fc_rescan_work);
Michael Reed80d3ac72006-05-24 15:07:09 -05001426 }
1427 spin_unlock_irqrestore(&ioc->fc_rescan_work_lock, flags);
1428 }
1429 return 1;
1430}
1431
Moore, Eric Dean 2496af32005-04-22 18:02:41 -04001432/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1433/**
Randy Dunlapd9489fb2006-12-06 20:38:43 -08001434 * mptfc_init - Register MPT adapter(s) as SCSI host(s) with SCSI mid-layer.
Moore, Eric Dean 2496af32005-04-22 18:02:41 -04001435 *
1436 * Returns 0 for success, non-zero for failure.
1437 */
1438static int __init
1439mptfc_init(void)
1440{
Michael Reed05e8ec12006-01-13 14:31:54 -06001441 int error;
Moore, Eric Dean 2496af32005-04-22 18:02:41 -04001442
1443 show_mptmod_ver(my_NAME, my_VERSION);
1444
Michael Reedca2f9382006-05-24 15:07:24 -05001445 /* sanity check module parameters */
1446 if (mptfc_dev_loss_tmo <= 0)
Michael Reed05e8ec12006-01-13 14:31:54 -06001447 mptfc_dev_loss_tmo = MPTFC_DEV_LOSS_TMO;
1448
1449 mptfc_transport_template =
1450 fc_attach_transport(&mptfc_transport_functions);
1451
1452 if (!mptfc_transport_template)
1453 return -ENODEV;
1454
Moore, Eric Dean 2496af32005-04-22 18:02:41 -04001455 mptfcDoneCtx = mpt_register(mptscsih_io_done, MPTFC_DRIVER);
1456 mptfcTaskCtx = mpt_register(mptscsih_taskmgmt_complete, MPTFC_DRIVER);
1457 mptfcInternalCtx = mpt_register(mptscsih_scandv_complete, MPTFC_DRIVER);
1458
Prakash, Sathyad6ecdd62007-07-24 15:47:41 +05301459 mpt_event_register(mptfcDoneCtx, mptfc_event_process);
1460 mpt_reset_register(mptfcDoneCtx, mptfc_ioc_reset);
Moore, Eric Dean 2496af32005-04-22 18:02:41 -04001461
Michael Reed05e8ec12006-01-13 14:31:54 -06001462 error = pci_register_driver(&mptfc_driver);
Michael Reed3bc7bf12006-01-25 18:05:18 -07001463 if (error)
Michael Reed05e8ec12006-01-13 14:31:54 -06001464 fc_release_transport(mptfc_transport_template);
Michael Reed05e8ec12006-01-13 14:31:54 -06001465
1466 return error;
1467}
1468
1469/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1470/**
Randy Dunlapd9489fb2006-12-06 20:38:43 -08001471 * mptfc_remove - Remove fc infrastructure for devices
Michael Reed05e8ec12006-01-13 14:31:54 -06001472 * @pdev: Pointer to pci_dev structure
1473 *
1474 */
Michael Reed3bc7bf12006-01-25 18:05:18 -07001475static void __devexit
1476mptfc_remove(struct pci_dev *pdev)
Michael Reed05e8ec12006-01-13 14:31:54 -06001477{
Moore, Eric65207fe2006-04-21 16:14:35 -06001478 MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
1479 struct mptfc_rport_info *p, *n;
1480 struct workqueue_struct *work_q;
1481 unsigned long flags;
Michael Reedca2f9382006-05-24 15:07:24 -05001482 int ii;
Moore, Eric65207fe2006-04-21 16:14:35 -06001483
1484 /* destroy workqueue */
1485 if ((work_q=ioc->fc_rescan_work_q)) {
1486 spin_lock_irqsave(&ioc->fc_rescan_work_lock, flags);
1487 ioc->fc_rescan_work_q = NULL;
1488 spin_unlock_irqrestore(&ioc->fc_rescan_work_lock, flags);
1489 destroy_workqueue(work_q);
1490 }
Michael Reed05e8ec12006-01-13 14:31:54 -06001491
1492 fc_remove_host(ioc->sh);
1493
1494 list_for_each_entry_safe(p, n, &ioc->fc_rports, list) {
1495 list_del(&p->list);
1496 kfree(p);
1497 }
1498
Michael Reedca2f9382006-05-24 15:07:24 -05001499 for (ii=0; ii<ioc->facts.NumberOfPorts; ii++) {
1500 if (ioc->fc_data.fc_port_page1[ii].data) {
1501 pci_free_consistent(ioc->pcidev,
1502 ioc->fc_data.fc_port_page1[ii].pg_sz,
1503 (u8 *) ioc->fc_data.fc_port_page1[ii].data,
1504 ioc->fc_data.fc_port_page1[ii].dma);
1505 ioc->fc_data.fc_port_page1[ii].data = NULL;
1506 }
1507 }
1508
Michael Reed05e8ec12006-01-13 14:31:54 -06001509 mptscsih_remove(pdev);
Moore, Eric Dean 2496af32005-04-22 18:02:41 -04001510}
1511
1512/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1513/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1514/**
1515 * mptfc_exit - Unregisters MPT adapter(s)
1516 *
1517 */
1518static void __exit
1519mptfc_exit(void)
1520{
1521 pci_unregister_driver(&mptfc_driver);
Michael Reed05e8ec12006-01-13 14:31:54 -06001522 fc_release_transport(mptfc_transport_template);
1523
Moore, Eric Dean 2496af32005-04-22 18:02:41 -04001524 mpt_reset_deregister(mptfcDoneCtx);
Moore, Eric Dean 2496af32005-04-22 18:02:41 -04001525 mpt_event_deregister(mptfcDoneCtx);
Moore, Eric Dean 2496af32005-04-22 18:02:41 -04001526
1527 mpt_deregister(mptfcInternalCtx);
1528 mpt_deregister(mptfcTaskCtx);
1529 mpt_deregister(mptfcDoneCtx);
1530}
1531
1532module_init(mptfc_init);
1533module_exit(mptfc_exit);