[SCSI] fusion: power pc and miscellaneous bug fixs
[deliverable/linux.git] / drivers / message / fusion / mptsas.c
CommitLineData
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1/*
2 * linux/drivers/message/fusion/mptsas.c
3 * For use with LSI Logic PCI chip/adapter(s)
4 * running LSI Logic Fusion MPT (Message Passing Technology) firmware.
5 *
6 * Copyright (c) 1999-2005 LSI Logic Corporation
7 * (mailto:mpt_linux_developer@lsil.com)
9a28f49a 8 * Copyright (c) 2005-2006 Dell
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CH
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/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
46
47#include <linux/module.h>
48#include <linux/kernel.h>
49#include <linux/init.h>
50#include <linux/errno.h>
51#include <linux/sched.h>
52#include <linux/workqueue.h>
547f9a21 53#include <linux/delay.h> /* for mdelay */
0c33b27d 54
547f9a21 55#include <scsi/scsi.h>
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56#include <scsi/scsi_cmnd.h>
57#include <scsi/scsi_device.h>
58#include <scsi/scsi_host.h>
59#include <scsi/scsi_transport_sas.h>
547f9a21 60#include <scsi/scsi_dbg.h>
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61
62#include "mptbase.h"
63#include "mptscsih.h"
64
65
66#define my_NAME "Fusion MPT SAS Host driver"
67#define my_VERSION MPT_LINUX_VERSION_COMMON
68#define MYNAM "mptsas"
69
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JB
70/*
71 * Reserved channel for integrated raid
72 */
73#define MPTSAS_RAID_CHANNEL 1
74
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75MODULE_AUTHOR(MODULEAUTHOR);
76MODULE_DESCRIPTION(my_NAME);
77MODULE_LICENSE("GPL");
78
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79static int mpt_pt_clear;
80module_param(mpt_pt_clear, int, 0);
81MODULE_PARM_DESC(mpt_pt_clear,
ba856d32 82 " Clear persistency table: enable=1 "
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83 "(default=MPTSCSIH_PT_CLEAR=0)");
84
85static int mptsasDoneCtx = -1;
86static int mptsasTaskCtx = -1;
87static int mptsasInternalCtx = -1; /* Used only for internal commands */
da4fa655 88static int mptsasMgmtCtx = -1;
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89
90
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CH
91enum mptsas_hotplug_action {
92 MPTSAS_ADD_DEVICE,
93 MPTSAS_DEL_DEVICE,
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ME
94 MPTSAS_ADD_RAID,
95 MPTSAS_DEL_RAID,
bd23e94c 96 MPTSAS_IGNORE_EVENT,
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CH
97};
98
99struct mptsas_hotplug_event {
100 struct work_struct work;
101 MPT_ADAPTER *ioc;
102 enum mptsas_hotplug_action event_type;
103 u64 sas_address;
104 u32 channel;
105 u32 id;
106 u32 device_info;
107 u16 handle;
108 u16 parent_handle;
109 u8 phy_id;
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ME
110 u8 phys_disk_num;
111 u8 phys_disk_num_valid;
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CH
112};
113
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114struct mptsas_discovery_event {
115 struct work_struct work;
116 MPT_ADAPTER *ioc;
117};
118
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119/*
120 * SAS topology structures
121 *
122 * The MPT Fusion firmware interface spreads information about the
123 * SAS topology over many manufacture pages, thus we need some data
124 * structure to collect it and process it for the SAS transport class.
125 */
126
127struct mptsas_devinfo {
128 u16 handle; /* unique id to address this device */
c73787ee 129 u16 handle_parent; /* unique id to address parent device */
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130 u16 handle_enclosure; /* enclosure identifier of the enclosure */
131 u16 slot; /* physical slot in enclosure */
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132 u8 phy_id; /* phy number of parent device */
133 u8 port_id; /* sas physical port this device
134 is assoc'd with */
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135 u8 id; /* logical target id of this device */
136 u8 channel; /* logical bus number of this device */
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137 u64 sas_address; /* WWN of this device,
138 SATA is assigned by HBA,expander */
139 u32 device_info; /* bitfield detailed info about this device */
140};
141
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142/*
143 * Specific details on ports, wide/narrow
144 */
145struct mptsas_portinfo_details{
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EM
146 u16 num_phys; /* number of phys belong to this port */
147 u64 phy_bitmask; /* TODO, extend support for 255 phys */
148 struct sas_rphy *rphy; /* transport layer rphy object */
149 struct sas_port *port; /* transport layer port object */
150 struct scsi_target *starget;
151 struct mptsas_portinfo *port_info;
152};
153
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154struct mptsas_phyinfo {
155 u8 phy_id; /* phy index */
547f9a21 156 u8 port_id; /* firmware port identifier */
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157 u8 negotiated_link_rate; /* nego'd link rate for this phy */
158 u8 hw_link_rate; /* hardware max/min phys link rate */
159 u8 programmed_link_rate; /* programmed max/min phy link rate */
547f9a21 160 u8 sas_port_add_phy; /* flag to request sas_port_add_phy*/
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161 struct mptsas_devinfo identify; /* point to phy device info */
162 struct mptsas_devinfo attached; /* point to attached device info */
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163 struct sas_phy *phy; /* transport layer phy object */
164 struct mptsas_portinfo *portinfo;
165 struct mptsas_portinfo_details * port_details;
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166};
167
168struct mptsas_portinfo {
169 struct list_head list;
170 u16 handle; /* unique id to address this */
547f9a21 171 u16 num_phys; /* number of phys */
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172 struct mptsas_phyinfo *phy_info;
173};
174
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175struct mptsas_enclosure {
176 u64 enclosure_logical_id; /* The WWN for the enclosure */
177 u16 enclosure_handle; /* unique id to address this */
178 u16 flags; /* details enclosure management */
179 u16 num_slot; /* num slots */
180 u16 start_slot; /* first slot */
181 u8 start_id; /* starting logical target id */
182 u8 start_channel; /* starting logical channel id */
183 u8 sep_id; /* SEP device logical target id */
184 u8 sep_channel; /* SEP channel logical channel id */
185};
186
547f9a21 187#ifdef MPT_DEBUG_SAS
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188static void mptsas_print_phy_data(MPI_SAS_IO_UNIT0_PHY_DATA *phy_data)
189{
190 printk("---- IO UNIT PAGE 0 ------------\n");
191 printk("Handle=0x%X\n",
192 le16_to_cpu(phy_data->AttachedDeviceHandle));
193 printk("Controller Handle=0x%X\n",
194 le16_to_cpu(phy_data->ControllerDevHandle));
195 printk("Port=0x%X\n", phy_data->Port);
196 printk("Port Flags=0x%X\n", phy_data->PortFlags);
197 printk("PHY Flags=0x%X\n", phy_data->PhyFlags);
198 printk("Negotiated Link Rate=0x%X\n", phy_data->NegotiatedLinkRate);
199 printk("Controller PHY Device Info=0x%X\n",
200 le32_to_cpu(phy_data->ControllerPhyDeviceInfo));
201 printk("DiscoveryStatus=0x%X\n",
202 le32_to_cpu(phy_data->DiscoveryStatus));
203 printk("\n");
204}
205
206static void mptsas_print_phy_pg0(SasPhyPage0_t *pg0)
207{
208 __le64 sas_address;
209
210 memcpy(&sas_address, &pg0->SASAddress, sizeof(__le64));
211
212 printk("---- SAS PHY PAGE 0 ------------\n");
213 printk("Attached Device Handle=0x%X\n",
214 le16_to_cpu(pg0->AttachedDevHandle));
215 printk("SAS Address=0x%llX\n",
216 (unsigned long long)le64_to_cpu(sas_address));
217 printk("Attached PHY Identifier=0x%X\n", pg0->AttachedPhyIdentifier);
218 printk("Attached Device Info=0x%X\n",
219 le32_to_cpu(pg0->AttachedDeviceInfo));
220 printk("Programmed Link Rate=0x%X\n", pg0->ProgrammedLinkRate);
221 printk("Change Count=0x%X\n", pg0->ChangeCount);
222 printk("PHY Info=0x%X\n", le32_to_cpu(pg0->PhyInfo));
223 printk("\n");
224}
225
226static void mptsas_print_phy_pg1(SasPhyPage1_t *pg1)
227{
228 printk("---- SAS PHY PAGE 1 ------------\n");
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CH
229 printk("Invalid Dword Count=0x%x\n", pg1->InvalidDwordCount);
230 printk("Running Disparity Error Count=0x%x\n",
b5141128 231 pg1->RunningDisparityErrorCount);
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CH
232 printk("Loss Dword Synch Count=0x%x\n", pg1->LossDwordSynchCount);
233 printk("PHY Reset Problem Count=0x%x\n", pg1->PhyResetProblemCount);
234 printk("\n");
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CH
235}
236
237static void mptsas_print_device_pg0(SasDevicePage0_t *pg0)
238{
239 __le64 sas_address;
240
241 memcpy(&sas_address, &pg0->SASAddress, sizeof(__le64));
242
243 printk("---- SAS DEVICE PAGE 0 ---------\n");
244 printk("Handle=0x%X\n" ,le16_to_cpu(pg0->DevHandle));
e3094447 245 printk("Parent Handle=0x%X\n" ,le16_to_cpu(pg0->ParentDevHandle));
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246 printk("Enclosure Handle=0x%X\n", le16_to_cpu(pg0->EnclosureHandle));
247 printk("Slot=0x%X\n", le16_to_cpu(pg0->Slot));
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248 printk("SAS Address=0x%llX\n", (unsigned long long)
249 le64_to_cpu(sas_address));
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250 printk("Target ID=0x%X\n", pg0->TargetID);
251 printk("Bus=0x%X\n", pg0->Bus);
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CH
252 /* The PhyNum field specifies the PHY number of the parent
253 * device this device is linked to
254 */
255 printk("Parent Phy Num=0x%X\n", pg0->PhyNum);
256 printk("Access Status=0x%X\n", le16_to_cpu(pg0->AccessStatus));
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CH
257 printk("Device Info=0x%X\n", le32_to_cpu(pg0->DeviceInfo));
258 printk("Flags=0x%X\n", le16_to_cpu(pg0->Flags));
259 printk("Physical Port=0x%X\n", pg0->PhysicalPort);
260 printk("\n");
261}
262
263static void mptsas_print_expander_pg1(SasExpanderPage1_t *pg1)
264{
265 printk("---- SAS EXPANDER PAGE 1 ------------\n");
266
267 printk("Physical Port=0x%X\n", pg1->PhysicalPort);
f9a2d2e0 268 printk("PHY Identifier=0x%X\n", pg1->PhyIdentifier);
b5141128
CH
269 printk("Negotiated Link Rate=0x%X\n", pg1->NegotiatedLinkRate);
270 printk("Programmed Link Rate=0x%X\n", pg1->ProgrammedLinkRate);
271 printk("Hardware Link Rate=0x%X\n", pg1->HwLinkRate);
272 printk("Owner Device Handle=0x%X\n",
273 le16_to_cpu(pg1->OwnerDevHandle));
274 printk("Attached Device Handle=0x%X\n",
275 le16_to_cpu(pg1->AttachedDevHandle));
276}
277#else
278#define mptsas_print_phy_data(phy_data) do { } while (0)
279#define mptsas_print_phy_pg0(pg0) do { } while (0)
280#define mptsas_print_phy_pg1(pg1) do { } while (0)
281#define mptsas_print_device_pg0(pg0) do { } while (0)
282#define mptsas_print_expander_pg1(pg1) do { } while (0)
283#endif
284
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CH
285static inline MPT_ADAPTER *phy_to_ioc(struct sas_phy *phy)
286{
287 struct Scsi_Host *shost = dev_to_shost(phy->dev.parent);
288 return ((MPT_SCSI_HOST *)shost->hostdata)->ioc;
289}
290
291static inline MPT_ADAPTER *rphy_to_ioc(struct sas_rphy *rphy)
292{
293 struct Scsi_Host *shost = dev_to_shost(rphy->dev.parent->parent);
294 return ((MPT_SCSI_HOST *)shost->hostdata)->ioc;
295}
296
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ME
297/*
298 * mptsas_find_portinfo_by_handle
299 *
300 * This function should be called with the sas_topology_mutex already held
301 */
302static struct mptsas_portinfo *
303mptsas_find_portinfo_by_handle(MPT_ADAPTER *ioc, u16 handle)
304{
305 struct mptsas_portinfo *port_info, *rc=NULL;
306 int i;
307
308 list_for_each_entry(port_info, &ioc->sas_topology, list)
309 for (i = 0; i < port_info->num_phys; i++)
310 if (port_info->phy_info[i].identify.handle == handle) {
311 rc = port_info;
312 goto out;
313 }
314 out:
315 return rc;
316}
317
bd23e94c
ME
318/*
319 * Returns true if there is a scsi end device
320 */
321static inline int
322mptsas_is_end_device(struct mptsas_devinfo * attached)
323{
547f9a21 324 if ((attached->sas_address) &&
bd23e94c
ME
325 (attached->device_info &
326 MPI_SAS_DEVICE_INFO_END_DEVICE) &&
327 ((attached->device_info &
328 MPI_SAS_DEVICE_INFO_SSP_TARGET) |
329 (attached->device_info &
330 MPI_SAS_DEVICE_INFO_STP_TARGET) |
331 (attached->device_info &
332 MPI_SAS_DEVICE_INFO_SATA_DEVICE)))
333 return 1;
334 else
335 return 0;
336}
337
547f9a21 338/* no mutex */
376ac830 339static void
547f9a21
EM
340mptsas_port_delete(struct mptsas_portinfo_details * port_details)
341{
342 struct mptsas_portinfo *port_info;
343 struct mptsas_phyinfo *phy_info;
344 u8 i;
345
346 if (!port_details)
347 return;
348
349 port_info = port_details->port_info;
350 phy_info = port_info->phy_info;
351
dc22f16d 352 dsaswideprintk((KERN_DEBUG "%s: [%p]: num_phys=%02d "
f99be43b
EM
353 "bitmask=0x%016llX\n", __FUNCTION__, port_details,
354 port_details->num_phys, (unsigned long long)
355 port_details->phy_bitmask));
547f9a21
EM
356
357 for (i = 0; i < port_info->num_phys; i++, phy_info++) {
358 if(phy_info->port_details != port_details)
359 continue;
360 memset(&phy_info->attached, 0, sizeof(struct mptsas_devinfo));
361 phy_info->port_details = NULL;
362 }
363 kfree(port_details);
364}
365
366static inline struct sas_rphy *
367mptsas_get_rphy(struct mptsas_phyinfo *phy_info)
368{
369 if (phy_info->port_details)
370 return phy_info->port_details->rphy;
371 else
372 return NULL;
373}
374
375static inline void
376mptsas_set_rphy(struct mptsas_phyinfo *phy_info, struct sas_rphy *rphy)
377{
378 if (phy_info->port_details) {
379 phy_info->port_details->rphy = rphy;
380 dsaswideprintk((KERN_DEBUG "sas_rphy_add: rphy=%p\n", rphy));
381 }
382
383#ifdef MPT_DEBUG_SAS_WIDE
384 if (rphy) {
385 dev_printk(KERN_DEBUG, &rphy->dev, "add:");
386 printk("rphy=%p release=%p\n",
387 rphy, rphy->dev.release);
388 }
389#endif
390}
391
392static inline struct sas_port *
393mptsas_get_port(struct mptsas_phyinfo *phy_info)
394{
395 if (phy_info->port_details)
396 return phy_info->port_details->port;
397 else
398 return NULL;
399}
400
401static inline void
402mptsas_set_port(struct mptsas_phyinfo *phy_info, struct sas_port *port)
403{
404 if (phy_info->port_details)
405 phy_info->port_details->port = port;
406
407#ifdef MPT_DEBUG_SAS_WIDE
408 if (port) {
409 dev_printk(KERN_DEBUG, &port->dev, "add: ");
410 printk("port=%p release=%p\n",
411 port, port->dev.release);
412 }
413#endif
414}
415
416static inline struct scsi_target *
417mptsas_get_starget(struct mptsas_phyinfo *phy_info)
418{
419 if (phy_info->port_details)
420 return phy_info->port_details->starget;
421 else
422 return NULL;
423}
424
425static inline void
426mptsas_set_starget(struct mptsas_phyinfo *phy_info, struct scsi_target *
427starget)
428{
429 if (phy_info->port_details)
430 phy_info->port_details->starget = starget;
431}
432
433
434/*
435 * mptsas_setup_wide_ports
436 *
437 * Updates for new and existing narrow/wide port configuration
438 * in the sas_topology
439 */
376ac830 440static void
547f9a21
EM
441mptsas_setup_wide_ports(MPT_ADAPTER *ioc, struct mptsas_portinfo *port_info)
442{
443 struct mptsas_portinfo_details * port_details;
444 struct mptsas_phyinfo *phy_info, *phy_info_cmp;
445 u64 sas_address;
446 int i, j;
447
448 mutex_lock(&ioc->sas_topology_mutex);
449
450 phy_info = port_info->phy_info;
451 for (i = 0 ; i < port_info->num_phys ; i++, phy_info++) {
452 if (phy_info->attached.handle)
453 continue;
454 port_details = phy_info->port_details;
455 if (!port_details)
456 continue;
457 if (port_details->num_phys < 2)
458 continue;
459 /*
460 * Removing a phy from a port, letting the last
461 * phy be removed by firmware events.
462 */
463 dsaswideprintk((KERN_DEBUG
dc22f16d
EM
464 "%s: [%p]: deleting phy = %d\n",
465 __FUNCTION__, port_details, i));
547f9a21
EM
466 port_details->num_phys--;
467 port_details->phy_bitmask &= ~ (1 << phy_info->phy_id);
468 memset(&phy_info->attached, 0, sizeof(struct mptsas_devinfo));
469 sas_port_delete_phy(port_details->port, phy_info->phy);
470 phy_info->port_details = NULL;
471 }
472
473 /*
474 * Populate and refresh the tree
475 */
476 phy_info = port_info->phy_info;
477 for (i = 0 ; i < port_info->num_phys ; i++, phy_info++) {
478 sas_address = phy_info->attached.sas_address;
479 dsaswideprintk((KERN_DEBUG "phy_id=%d sas_address=0x%018llX\n",
f99be43b 480 i, (unsigned long long)sas_address));
547f9a21
EM
481 if (!sas_address)
482 continue;
483 port_details = phy_info->port_details;
484 /*
485 * Forming a port
486 */
487 if (!port_details) {
488 port_details = kzalloc(sizeof(*port_details),
489 GFP_KERNEL);
490 if (!port_details)
491 goto out;
492 port_details->num_phys = 1;
493 port_details->port_info = port_info;
547f9a21
EM
494 if (phy_info->phy_id < 64 )
495 port_details->phy_bitmask |=
496 (1 << phy_info->phy_id);
497 phy_info->sas_port_add_phy=1;
498 dsaswideprintk((KERN_DEBUG "\t\tForming port\n\t\t"
f99be43b
EM
499 "phy_id=%d sas_address=0x%018llX\n",
500 i, (unsigned long long)sas_address));
547f9a21
EM
501 phy_info->port_details = port_details;
502 }
503
504 if (i == port_info->num_phys - 1)
505 continue;
506 phy_info_cmp = &port_info->phy_info[i + 1];
507 for (j = i + 1 ; j < port_info->num_phys ; j++,
508 phy_info_cmp++) {
509 if (!phy_info_cmp->attached.sas_address)
510 continue;
511 if (sas_address != phy_info_cmp->attached.sas_address)
512 continue;
513 if (phy_info_cmp->port_details == port_details )
514 continue;
515 dsaswideprintk((KERN_DEBUG
f99be43b
EM
516 "\t\tphy_id=%d sas_address=0x%018llX\n",
517 j, (unsigned long long)
518 phy_info_cmp->attached.sas_address));
547f9a21
EM
519 if (phy_info_cmp->port_details) {
520 port_details->rphy =
521 mptsas_get_rphy(phy_info_cmp);
522 port_details->port =
523 mptsas_get_port(phy_info_cmp);
524 port_details->starget =
525 mptsas_get_starget(phy_info_cmp);
547f9a21
EM
526 port_details->num_phys =
527 phy_info_cmp->port_details->num_phys;
547f9a21
EM
528 if (!phy_info_cmp->port_details->num_phys)
529 kfree(phy_info_cmp->port_details);
530 } else
531 phy_info_cmp->sas_port_add_phy=1;
532 /*
533 * Adding a phy to a port
534 */
535 phy_info_cmp->port_details = port_details;
536 if (phy_info_cmp->phy_id < 64 )
537 port_details->phy_bitmask |=
538 (1 << phy_info_cmp->phy_id);
539 port_details->num_phys++;
540 }
541 }
542
543 out:
544
545#ifdef MPT_DEBUG_SAS_WIDE
546 for (i = 0; i < port_info->num_phys; i++) {
547 port_details = port_info->phy_info[i].port_details;
548 if (!port_details)
549 continue;
550 dsaswideprintk((KERN_DEBUG
f99be43b
EM
551 "%s: [%p]: phy_id=%02d num_phys=%02d "
552 "bitmask=0x%016llX\n", __FUNCTION__,
553 port_details, i, port_details->num_phys,
554 (unsigned long long)port_details->phy_bitmask));
547f9a21
EM
555 dsaswideprintk((KERN_DEBUG"\t\tport = %p rphy=%p\n",
556 port_details->port, port_details->rphy));
557 }
558 dsaswideprintk((KERN_DEBUG"\n"));
559#endif
560 mutex_unlock(&ioc->sas_topology_mutex);
561}
562
563static void
564mptsas_target_reset(MPT_ADAPTER *ioc, VirtTarget * vtarget)
565{
566 MPT_SCSI_HOST *hd = (MPT_SCSI_HOST *)ioc->sh->hostdata;
567
568 if (mptscsih_TMHandler(hd,
569 MPI_SCSITASKMGMT_TASKTYPE_TARGET_RESET,
570 vtarget->bus_id, vtarget->target_id, 0, 0, 5) < 0) {
571 hd->tmPending = 0;
572 hd->tmState = TM_STATE_NONE;
573 printk(MYIOC_s_WARN_FMT
574 "Error processing TaskMgmt id=%d TARGET_RESET\n",
575 ioc->name, vtarget->target_id);
576 }
577}
578
e3094447 579static int
52435430 580mptsas_sas_enclosure_pg0(MPT_ADAPTER *ioc, struct mptsas_enclosure *enclosure,
e3094447
CH
581 u32 form, u32 form_specific)
582{
583 ConfigExtendedPageHeader_t hdr;
584 CONFIGPARMS cfg;
585 SasEnclosurePage0_t *buffer;
586 dma_addr_t dma_handle;
587 int error;
588 __le64 le_identifier;
589
590 memset(&hdr, 0, sizeof(hdr));
591 hdr.PageVersion = MPI_SASENCLOSURE0_PAGEVERSION;
592 hdr.PageNumber = 0;
593 hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED;
594 hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_ENCLOSURE;
595
596 cfg.cfghdr.ehdr = &hdr;
597 cfg.physAddr = -1;
598 cfg.pageAddr = form + form_specific;
599 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
600 cfg.dir = 0; /* read */
601 cfg.timeout = 10;
602
603 error = mpt_config(ioc, &cfg);
604 if (error)
605 goto out;
606 if (!hdr.ExtPageLength) {
607 error = -ENXIO;
608 goto out;
609 }
610
611 buffer = pci_alloc_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
612 &dma_handle);
613 if (!buffer) {
614 error = -ENOMEM;
615 goto out;
616 }
617
618 cfg.physAddr = dma_handle;
619 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
620
621 error = mpt_config(ioc, &cfg);
622 if (error)
623 goto out_free_consistent;
624
625 /* save config data */
626 memcpy(&le_identifier, &buffer->EnclosureLogicalID, sizeof(__le64));
627 enclosure->enclosure_logical_id = le64_to_cpu(le_identifier);
628 enclosure->enclosure_handle = le16_to_cpu(buffer->EnclosureHandle);
629 enclosure->flags = le16_to_cpu(buffer->Flags);
630 enclosure->num_slot = le16_to_cpu(buffer->NumSlots);
631 enclosure->start_slot = le16_to_cpu(buffer->StartSlot);
632 enclosure->start_id = buffer->StartTargetID;
633 enclosure->start_channel = buffer->StartBus;
634 enclosure->sep_id = buffer->SEPTargetID;
635 enclosure->sep_channel = buffer->SEPBus;
636
637 out_free_consistent:
638 pci_free_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
639 buffer, dma_handle);
640 out:
641 return error;
642}
b5141128 643
f013db32
JB
644static int
645mptsas_slave_configure(struct scsi_device *sdev)
646{
3c0c25b9 647
e8bf3941
JB
648 if (sdev->channel == MPTSAS_RAID_CHANNEL)
649 goto out;
650
651 sas_read_port_mode_page(sdev);
f013db32 652
e8bf3941 653 out:
f013db32
JB
654 return mptscsih_slave_configure(sdev);
655}
656
547f9a21
EM
657static int
658mptsas_target_alloc(struct scsi_target *starget)
659{
660 struct Scsi_Host *host = dev_to_shost(&starget->dev);
661 MPT_SCSI_HOST *hd = (MPT_SCSI_HOST *)host->hostdata;
662 VirtTarget *vtarget;
663 u32 target_id;
664 u32 channel;
665 struct sas_rphy *rphy;
666 struct mptsas_portinfo *p;
667 int i;
668
669 vtarget = kzalloc(sizeof(VirtTarget), GFP_KERNEL);
670 if (!vtarget)
671 return -ENOMEM;
672
673 vtarget->starget = starget;
674 vtarget->ioc_id = hd->ioc->id;
675 vtarget->tflags = MPT_TARGET_FLAGS_Q_YES|MPT_TARGET_FLAGS_VALID_INQUIRY;
676
677 target_id = starget->id;
678 channel = 0;
679
680 hd->Targets[target_id] = vtarget;
681
e8bf3941 682 if (starget->channel == MPTSAS_RAID_CHANNEL)
547f9a21
EM
683 goto out;
684
685 rphy = dev_to_rphy(starget->dev.parent);
686 mutex_lock(&hd->ioc->sas_topology_mutex);
687 list_for_each_entry(p, &hd->ioc->sas_topology, list) {
688 for (i = 0; i < p->num_phys; i++) {
689 if (p->phy_info[i].attached.sas_address !=
690 rphy->identify.sas_address)
691 continue;
692 target_id = p->phy_info[i].attached.id;
693 channel = p->phy_info[i].attached.channel;
694 mptsas_set_starget(&p->phy_info[i], starget);
695
696 /*
697 * Exposing hidden raid components
698 */
699 if (mptscsih_is_phys_disk(hd->ioc, target_id)) {
700 target_id = mptscsih_raid_id_to_num(hd,
701 target_id);
702 vtarget->tflags |=
703 MPT_TARGET_FLAGS_RAID_COMPONENT;
704 }
705 mutex_unlock(&hd->ioc->sas_topology_mutex);
706 goto out;
707 }
708 }
709 mutex_unlock(&hd->ioc->sas_topology_mutex);
710
711 kfree(vtarget);
712 return -ENXIO;
713
714 out:
715 vtarget->target_id = target_id;
716 vtarget->bus_id = channel;
717 starget->hostdata = vtarget;
718 return 0;
719}
720
721static void
722mptsas_target_destroy(struct scsi_target *starget)
723{
724 struct Scsi_Host *host = dev_to_shost(&starget->dev);
725 MPT_SCSI_HOST *hd = (MPT_SCSI_HOST *)host->hostdata;
726 struct sas_rphy *rphy;
727 struct mptsas_portinfo *p;
728 int i;
729
730 if (!starget->hostdata)
731 return;
732
e8bf3941 733 if (starget->channel == MPTSAS_RAID_CHANNEL)
547f9a21
EM
734 goto out;
735
736 rphy = dev_to_rphy(starget->dev.parent);
737 list_for_each_entry(p, &hd->ioc->sas_topology, list) {
738 for (i = 0; i < p->num_phys; i++) {
739 if (p->phy_info[i].attached.sas_address !=
740 rphy->identify.sas_address)
741 continue;
742 mptsas_set_starget(&p->phy_info[i], NULL);
743 goto out;
744 }
745 }
746
747 out:
748 kfree(starget->hostdata);
749 starget->hostdata = NULL;
750}
751
752
0c33b27d 753static int
c7c82987 754mptsas_slave_alloc(struct scsi_device *sdev)
0c33b27d 755{
c7c82987 756 struct Scsi_Host *host = sdev->host;
0c33b27d
CH
757 MPT_SCSI_HOST *hd = (MPT_SCSI_HOST *)host->hostdata;
758 struct sas_rphy *rphy;
759 struct mptsas_portinfo *p;
760 VirtDevice *vdev;
c7c82987 761 struct scsi_target *starget;
547f9a21 762 int i;
0c33b27d 763
1ca00bb7 764 vdev = kzalloc(sizeof(VirtDevice), GFP_KERNEL);
0c33b27d 765 if (!vdev) {
547f9a21 766 printk(MYIOC_s_ERR_FMT "slave_alloc kzalloc(%zd) FAILED!\n",
0c33b27d
CH
767 hd->ioc->name, sizeof(VirtDevice));
768 return -ENOMEM;
769 }
c7c82987 770 starget = scsi_target(sdev);
547f9a21 771 vdev->vtarget = starget->hostdata;
0c33b27d 772
e8bf3941 773 if (sdev->channel == MPTSAS_RAID_CHANNEL)
816aa907 774 goto out;
816aa907 775
c7c82987 776 rphy = dev_to_rphy(sdev->sdev_target->dev.parent);
9a28f49a 777 mutex_lock(&hd->ioc->sas_topology_mutex);
0c33b27d
CH
778 list_for_each_entry(p, &hd->ioc->sas_topology, list) {
779 for (i = 0; i < p->num_phys; i++) {
547f9a21
EM
780 if (p->phy_info[i].attached.sas_address !=
781 rphy->identify.sas_address)
782 continue;
783 vdev->lun = sdev->lun;
784 /*
785 * Exposing hidden raid components
786 */
787 if (mptscsih_is_phys_disk(hd->ioc,
788 p->phy_info[i].attached.id))
789 sdev->no_uld_attach = 1;
790 mutex_unlock(&hd->ioc->sas_topology_mutex);
791 goto out;
0c33b27d
CH
792 }
793 }
9a28f49a 794 mutex_unlock(&hd->ioc->sas_topology_mutex);
0c33b27d 795
0c33b27d 796 kfree(vdev);
23f236ed 797 return -ENXIO;
0c33b27d
CH
798
799 out:
547f9a21
EM
800 vdev->vtarget->num_luns++;
801 sdev->hostdata = vdev;
0c33b27d
CH
802 return 0;
803}
804
547f9a21
EM
805static int
806mptsas_qcmd(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *))
9a28f49a 807{
547f9a21 808 VirtDevice *vdev = SCpnt->device->hostdata;
7d3eecf7 809
547f9a21
EM
810// scsi_print_command(SCpnt);
811 if (vdev->vtarget->deleted) {
812 SCpnt->result = DID_NO_CONNECT << 16;
813 done(SCpnt);
814 return 0;
7d3eecf7 815 }
547f9a21
EM
816
817 return mptscsih_qcmd(SCpnt,done);
9a28f49a
CH
818}
819
547f9a21 820
0c33b27d 821static struct scsi_host_template mptsas_driver_template = {
f78496da 822 .module = THIS_MODULE,
0c33b27d
CH
823 .proc_name = "mptsas",
824 .proc_info = mptscsih_proc_info,
825 .name = "MPT SPI Host",
826 .info = mptscsih_info,
547f9a21
EM
827 .queuecommand = mptsas_qcmd,
828 .target_alloc = mptsas_target_alloc,
0c33b27d 829 .slave_alloc = mptsas_slave_alloc,
f013db32 830 .slave_configure = mptsas_slave_configure,
547f9a21
EM
831 .target_destroy = mptsas_target_destroy,
832 .slave_destroy = mptscsih_slave_destroy,
0c33b27d
CH
833 .change_queue_depth = mptscsih_change_queue_depth,
834 .eh_abort_handler = mptscsih_abort,
835 .eh_device_reset_handler = mptscsih_dev_reset,
836 .eh_bus_reset_handler = mptscsih_bus_reset,
837 .eh_host_reset_handler = mptscsih_host_reset,
838 .bios_param = mptscsih_bios_param,
839 .can_queue = MPT_FC_CAN_QUEUE,
840 .this_id = -1,
841 .sg_tablesize = MPT_SCSI_SG_DEPTH,
842 .max_sectors = 8192,
843 .cmd_per_lun = 7,
844 .use_clustering = ENABLE_CLUSTERING,
845};
846
b5141128 847static int mptsas_get_linkerrors(struct sas_phy *phy)
0c33b27d 848{
b5141128
CH
849 MPT_ADAPTER *ioc = phy_to_ioc(phy);
850 ConfigExtendedPageHeader_t hdr;
851 CONFIGPARMS cfg;
852 SasPhyPage1_t *buffer;
853 dma_addr_t dma_handle;
854 int error;
0c33b27d 855
f4ad7b58
JB
856 /* FIXME: only have link errors on local phys */
857 if (!scsi_is_sas_phy_local(phy))
858 return -EINVAL;
859
b5141128
CH
860 hdr.PageVersion = MPI_SASPHY1_PAGEVERSION;
861 hdr.ExtPageLength = 0;
862 hdr.PageNumber = 1 /* page number 1*/;
863 hdr.Reserved1 = 0;
864 hdr.Reserved2 = 0;
865 hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED;
866 hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_PHY;
0c33b27d 867
b5141128
CH
868 cfg.cfghdr.ehdr = &hdr;
869 cfg.physAddr = -1;
870 cfg.pageAddr = phy->identify.phy_identifier;
871 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
872 cfg.dir = 0; /* read */
873 cfg.timeout = 10;
0c33b27d 874
b5141128
CH
875 error = mpt_config(ioc, &cfg);
876 if (error)
877 return error;
878 if (!hdr.ExtPageLength)
879 return -ENXIO;
0c33b27d 880
b5141128
CH
881 buffer = pci_alloc_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
882 &dma_handle);
883 if (!buffer)
884 return -ENOMEM;
0c33b27d 885
b5141128
CH
886 cfg.physAddr = dma_handle;
887 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
888
889 error = mpt_config(ioc, &cfg);
890 if (error)
891 goto out_free_consistent;
892
893 mptsas_print_phy_pg1(buffer);
894
895 phy->invalid_dword_count = le32_to_cpu(buffer->InvalidDwordCount);
896 phy->running_disparity_error_count =
897 le32_to_cpu(buffer->RunningDisparityErrorCount);
898 phy->loss_of_dword_sync_count =
899 le32_to_cpu(buffer->LossDwordSynchCount);
900 phy->phy_reset_problem_count =
901 le32_to_cpu(buffer->PhyResetProblemCount);
902
903 out_free_consistent:
904 pci_free_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
905 buffer, dma_handle);
906 return error;
0c33b27d
CH
907}
908
da4fa655
CH
909static int mptsas_mgmt_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req,
910 MPT_FRAME_HDR *reply)
911{
912 ioc->sas_mgmt.status |= MPT_SAS_MGMT_STATUS_COMMAND_GOOD;
913 if (reply != NULL) {
914 ioc->sas_mgmt.status |= MPT_SAS_MGMT_STATUS_RF_VALID;
915 memcpy(ioc->sas_mgmt.reply, reply,
916 min(ioc->reply_sz, 4 * reply->u.reply.MsgLength));
917 }
918 complete(&ioc->sas_mgmt.done);
919 return 1;
920}
921
922static int mptsas_phy_reset(struct sas_phy *phy, int hard_reset)
923{
924 MPT_ADAPTER *ioc = phy_to_ioc(phy);
925 SasIoUnitControlRequest_t *req;
926 SasIoUnitControlReply_t *reply;
927 MPT_FRAME_HDR *mf;
928 MPIHeader_t *hdr;
929 unsigned long timeleft;
930 int error = -ERESTARTSYS;
931
f4ad7b58
JB
932 /* FIXME: fusion doesn't allow non-local phy reset */
933 if (!scsi_is_sas_phy_local(phy))
934 return -EINVAL;
935
da4fa655
CH
936 /* not implemented for expanders */
937 if (phy->identify.target_port_protocols & SAS_PROTOCOL_SMP)
938 return -ENXIO;
939
eeb846ce 940 if (mutex_lock_interruptible(&ioc->sas_mgmt.mutex))
da4fa655
CH
941 goto out;
942
943 mf = mpt_get_msg_frame(mptsasMgmtCtx, ioc);
944 if (!mf) {
945 error = -ENOMEM;
946 goto out_unlock;
947 }
948
949 hdr = (MPIHeader_t *) mf;
950 req = (SasIoUnitControlRequest_t *)mf;
951 memset(req, 0, sizeof(SasIoUnitControlRequest_t));
952 req->Function = MPI_FUNCTION_SAS_IO_UNIT_CONTROL;
953 req->MsgContext = hdr->MsgContext;
954 req->Operation = hard_reset ?
955 MPI_SAS_OP_PHY_HARD_RESET : MPI_SAS_OP_PHY_LINK_RESET;
956 req->PhyNum = phy->identify.phy_identifier;
957
958 mpt_put_msg_frame(mptsasMgmtCtx, ioc, mf);
959
960 timeleft = wait_for_completion_timeout(&ioc->sas_mgmt.done,
961 10 * HZ);
962 if (!timeleft) {
963 /* On timeout reset the board */
964 mpt_free_msg_frame(ioc, mf);
965 mpt_HardResetHandler(ioc, CAN_SLEEP);
966 error = -ETIMEDOUT;
967 goto out_unlock;
968 }
969
970 /* a reply frame is expected */
971 if ((ioc->sas_mgmt.status &
972 MPT_IOCTL_STATUS_RF_VALID) == 0) {
973 error = -ENXIO;
974 goto out_unlock;
975 }
976
977 /* process the completed Reply Message Frame */
978 reply = (SasIoUnitControlReply_t *)ioc->sas_mgmt.reply;
979 if (reply->IOCStatus != MPI_IOCSTATUS_SUCCESS) {
980 printk("%s: IOCStatus=0x%X IOCLogInfo=0x%X\n",
981 __FUNCTION__,
982 reply->IOCStatus,
983 reply->IOCLogInfo);
984 error = -ENXIO;
985 goto out_unlock;
986 }
987
988 error = 0;
989
990 out_unlock:
eeb846ce 991 mutex_unlock(&ioc->sas_mgmt.mutex);
da4fa655
CH
992 out:
993 return error;
994}
0c33b27d 995
e3094447
CH
996static int
997mptsas_get_enclosure_identifier(struct sas_rphy *rphy, u64 *identifier)
998{
999 MPT_ADAPTER *ioc = rphy_to_ioc(rphy);
1000 int i, error;
1001 struct mptsas_portinfo *p;
1002 struct mptsas_enclosure enclosure_info;
1003 u64 enclosure_handle;
1004
1005 mutex_lock(&ioc->sas_topology_mutex);
1006 list_for_each_entry(p, &ioc->sas_topology, list) {
1007 for (i = 0; i < p->num_phys; i++) {
1008 if (p->phy_info[i].attached.sas_address ==
1009 rphy->identify.sas_address) {
1010 enclosure_handle = p->phy_info[i].
1011 attached.handle_enclosure;
1012 goto found_info;
1013 }
1014 }
1015 }
1016 mutex_unlock(&ioc->sas_topology_mutex);
1017 return -ENXIO;
1018
1019 found_info:
1020 mutex_unlock(&ioc->sas_topology_mutex);
1021 memset(&enclosure_info, 0, sizeof(struct mptsas_enclosure));
52435430 1022 error = mptsas_sas_enclosure_pg0(ioc, &enclosure_info,
e3094447
CH
1023 (MPI_SAS_ENCLOS_PGAD_FORM_HANDLE <<
1024 MPI_SAS_ENCLOS_PGAD_FORM_SHIFT), enclosure_handle);
1025 if (!error)
1026 *identifier = enclosure_info.enclosure_logical_id;
1027 return error;
1028}
1029
1030static int
1031mptsas_get_bay_identifier(struct sas_rphy *rphy)
1032{
1033 MPT_ADAPTER *ioc = rphy_to_ioc(rphy);
1034 struct mptsas_portinfo *p;
1035 int i, rc;
1036
1037 mutex_lock(&ioc->sas_topology_mutex);
1038 list_for_each_entry(p, &ioc->sas_topology, list) {
1039 for (i = 0; i < p->num_phys; i++) {
1040 if (p->phy_info[i].attached.sas_address ==
1041 rphy->identify.sas_address) {
1042 rc = p->phy_info[i].attached.slot;
1043 goto out;
1044 }
1045 }
1046 }
1047 rc = -ENXIO;
1048 out:
1049 mutex_unlock(&ioc->sas_topology_mutex);
1050 return rc;
1051}
1052
b5141128
CH
1053static struct sas_function_template mptsas_transport_functions = {
1054 .get_linkerrors = mptsas_get_linkerrors,
e3094447
CH
1055 .get_enclosure_identifier = mptsas_get_enclosure_identifier,
1056 .get_bay_identifier = mptsas_get_bay_identifier,
da4fa655 1057 .phy_reset = mptsas_phy_reset,
b5141128
CH
1058};
1059
1060static struct scsi_transport_template *mptsas_transport_template;
0c33b27d
CH
1061
1062static int
1063mptsas_sas_io_unit_pg0(MPT_ADAPTER *ioc, struct mptsas_portinfo *port_info)
1064{
1065 ConfigExtendedPageHeader_t hdr;
1066 CONFIGPARMS cfg;
1067 SasIOUnitPage0_t *buffer;
1068 dma_addr_t dma_handle;
1069 int error, i;
1070
1071 hdr.PageVersion = MPI_SASIOUNITPAGE0_PAGEVERSION;
1072 hdr.ExtPageLength = 0;
1073 hdr.PageNumber = 0;
1074 hdr.Reserved1 = 0;
1075 hdr.Reserved2 = 0;
1076 hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED;
1077 hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_IO_UNIT;
1078
1079 cfg.cfghdr.ehdr = &hdr;
1080 cfg.physAddr = -1;
1081 cfg.pageAddr = 0;
1082 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
1083 cfg.dir = 0; /* read */
1084 cfg.timeout = 10;
1085
1086 error = mpt_config(ioc, &cfg);
1087 if (error)
1088 goto out;
1089 if (!hdr.ExtPageLength) {
1090 error = -ENXIO;
1091 goto out;
1092 }
1093
1094 buffer = pci_alloc_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
1095 &dma_handle);
1096 if (!buffer) {
1097 error = -ENOMEM;
1098 goto out;
1099 }
1100
1101 cfg.physAddr = dma_handle;
1102 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
1103
1104 error = mpt_config(ioc, &cfg);
1105 if (error)
1106 goto out_free_consistent;
1107
1108 port_info->num_phys = buffer->NumPhys;
1109 port_info->phy_info = kcalloc(port_info->num_phys,
547f9a21 1110 sizeof(*port_info->phy_info),GFP_KERNEL);
0c33b27d
CH
1111 if (!port_info->phy_info) {
1112 error = -ENOMEM;
1113 goto out_free_consistent;
1114 }
1115
db9c9174
ME
1116 if (port_info->num_phys)
1117 port_info->handle =
1118 le16_to_cpu(buffer->PhyData[0].ControllerDevHandle);
0c33b27d
CH
1119 for (i = 0; i < port_info->num_phys; i++) {
1120 mptsas_print_phy_data(&buffer->PhyData[i]);
1121 port_info->phy_info[i].phy_id = i;
1122 port_info->phy_info[i].port_id =
1123 buffer->PhyData[i].Port;
1124 port_info->phy_info[i].negotiated_link_rate =
1125 buffer->PhyData[i].NegotiatedLinkRate;
547f9a21 1126 port_info->phy_info[i].portinfo = port_info;
0c33b27d
CH
1127 }
1128
1129 out_free_consistent:
1130 pci_free_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
1131 buffer, dma_handle);
1132 out:
1133 return error;
1134}
1135
1136static int
1137mptsas_sas_phy_pg0(MPT_ADAPTER *ioc, struct mptsas_phyinfo *phy_info,
1138 u32 form, u32 form_specific)
1139{
1140 ConfigExtendedPageHeader_t hdr;
1141 CONFIGPARMS cfg;
1142 SasPhyPage0_t *buffer;
1143 dma_addr_t dma_handle;
1144 int error;
1145
1146 hdr.PageVersion = MPI_SASPHY0_PAGEVERSION;
1147 hdr.ExtPageLength = 0;
1148 hdr.PageNumber = 0;
1149 hdr.Reserved1 = 0;
1150 hdr.Reserved2 = 0;
1151 hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED;
1152 hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_PHY;
1153
1154 cfg.cfghdr.ehdr = &hdr;
1155 cfg.dir = 0; /* read */
1156 cfg.timeout = 10;
1157
1158 /* Get Phy Pg 0 for each Phy. */
1159 cfg.physAddr = -1;
1160 cfg.pageAddr = form + form_specific;
1161 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
1162
1163 error = mpt_config(ioc, &cfg);
1164 if (error)
1165 goto out;
1166
1167 if (!hdr.ExtPageLength) {
1168 error = -ENXIO;
1169 goto out;
1170 }
1171
1172 buffer = pci_alloc_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
1173 &dma_handle);
1174 if (!buffer) {
1175 error = -ENOMEM;
1176 goto out;
1177 }
1178
1179 cfg.physAddr = dma_handle;
1180 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
1181
1182 error = mpt_config(ioc, &cfg);
1183 if (error)
1184 goto out_free_consistent;
1185
1186 mptsas_print_phy_pg0(buffer);
1187
1188 phy_info->hw_link_rate = buffer->HwLinkRate;
1189 phy_info->programmed_link_rate = buffer->ProgrammedLinkRate;
1190 phy_info->identify.handle = le16_to_cpu(buffer->OwnerDevHandle);
1191 phy_info->attached.handle = le16_to_cpu(buffer->AttachedDevHandle);
1192
1193 out_free_consistent:
1194 pci_free_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
1195 buffer, dma_handle);
1196 out:
1197 return error;
1198}
1199
1200static int
1201mptsas_sas_device_pg0(MPT_ADAPTER *ioc, struct mptsas_devinfo *device_info,
1202 u32 form, u32 form_specific)
1203{
1204 ConfigExtendedPageHeader_t hdr;
1205 CONFIGPARMS cfg;
1206 SasDevicePage0_t *buffer;
1207 dma_addr_t dma_handle;
1208 __le64 sas_address;
bd23e94c
ME
1209 int error=0;
1210
1211 if (ioc->sas_discovery_runtime &&
1212 mptsas_is_end_device(device_info))
1213 goto out;
0c33b27d
CH
1214
1215 hdr.PageVersion = MPI_SASDEVICE0_PAGEVERSION;
1216 hdr.ExtPageLength = 0;
1217 hdr.PageNumber = 0;
1218 hdr.Reserved1 = 0;
1219 hdr.Reserved2 = 0;
1220 hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED;
1221 hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_DEVICE;
1222
1223 cfg.cfghdr.ehdr = &hdr;
1224 cfg.pageAddr = form + form_specific;
1225 cfg.physAddr = -1;
1226 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
1227 cfg.dir = 0; /* read */
1228 cfg.timeout = 10;
1229
db9c9174 1230 memset(device_info, 0, sizeof(struct mptsas_devinfo));
0c33b27d
CH
1231 error = mpt_config(ioc, &cfg);
1232 if (error)
1233 goto out;
1234 if (!hdr.ExtPageLength) {
1235 error = -ENXIO;
1236 goto out;
1237 }
1238
1239 buffer = pci_alloc_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
1240 &dma_handle);
1241 if (!buffer) {
1242 error = -ENOMEM;
1243 goto out;
1244 }
1245
1246 cfg.physAddr = dma_handle;
1247 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
1248
1249 error = mpt_config(ioc, &cfg);
1250 if (error)
1251 goto out_free_consistent;
1252
1253 mptsas_print_device_pg0(buffer);
1254
1255 device_info->handle = le16_to_cpu(buffer->DevHandle);
c73787ee 1256 device_info->handle_parent = le16_to_cpu(buffer->ParentDevHandle);
e3094447
CH
1257 device_info->handle_enclosure =
1258 le16_to_cpu(buffer->EnclosureHandle);
1259 device_info->slot = le16_to_cpu(buffer->Slot);
0c33b27d
CH
1260 device_info->phy_id = buffer->PhyNum;
1261 device_info->port_id = buffer->PhysicalPort;
9a28f49a
CH
1262 device_info->id = buffer->TargetID;
1263 device_info->channel = buffer->Bus;
0c33b27d
CH
1264 memcpy(&sas_address, &buffer->SASAddress, sizeof(__le64));
1265 device_info->sas_address = le64_to_cpu(sas_address);
1266 device_info->device_info =
1267 le32_to_cpu(buffer->DeviceInfo);
1268
1269 out_free_consistent:
1270 pci_free_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
1271 buffer, dma_handle);
1272 out:
1273 return error;
1274}
1275
1276static int
1277mptsas_sas_expander_pg0(MPT_ADAPTER *ioc, struct mptsas_portinfo *port_info,
1278 u32 form, u32 form_specific)
1279{
1280 ConfigExtendedPageHeader_t hdr;
1281 CONFIGPARMS cfg;
1282 SasExpanderPage0_t *buffer;
1283 dma_addr_t dma_handle;
547f9a21 1284 int i, error;
0c33b27d
CH
1285
1286 hdr.PageVersion = MPI_SASEXPANDER0_PAGEVERSION;
1287 hdr.ExtPageLength = 0;
1288 hdr.PageNumber = 0;
1289 hdr.Reserved1 = 0;
1290 hdr.Reserved2 = 0;
1291 hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED;
1292 hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_EXPANDER;
1293
1294 cfg.cfghdr.ehdr = &hdr;
1295 cfg.physAddr = -1;
1296 cfg.pageAddr = form + form_specific;
1297 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
1298 cfg.dir = 0; /* read */
1299 cfg.timeout = 10;
1300
db9c9174 1301 memset(port_info, 0, sizeof(struct mptsas_portinfo));
0c33b27d
CH
1302 error = mpt_config(ioc, &cfg);
1303 if (error)
1304 goto out;
1305
1306 if (!hdr.ExtPageLength) {
1307 error = -ENXIO;
1308 goto out;
1309 }
1310
1311 buffer = pci_alloc_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
1312 &dma_handle);
1313 if (!buffer) {
1314 error = -ENOMEM;
1315 goto out;
1316 }
1317
1318 cfg.physAddr = dma_handle;
1319 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
1320
1321 error = mpt_config(ioc, &cfg);
1322 if (error)
1323 goto out_free_consistent;
1324
1325 /* save config data */
1326 port_info->num_phys = buffer->NumPhys;
1327 port_info->handle = le16_to_cpu(buffer->DevHandle);
1328 port_info->phy_info = kcalloc(port_info->num_phys,
547f9a21 1329 sizeof(*port_info->phy_info),GFP_KERNEL);
0c33b27d
CH
1330 if (!port_info->phy_info) {
1331 error = -ENOMEM;
1332 goto out_free_consistent;
1333 }
1334
547f9a21
EM
1335 for (i = 0; i < port_info->num_phys; i++)
1336 port_info->phy_info[i].portinfo = port_info;
1337
0c33b27d
CH
1338 out_free_consistent:
1339 pci_free_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
1340 buffer, dma_handle);
1341 out:
1342 return error;
1343}
1344
1345static int
1346mptsas_sas_expander_pg1(MPT_ADAPTER *ioc, struct mptsas_phyinfo *phy_info,
1347 u32 form, u32 form_specific)
1348{
1349 ConfigExtendedPageHeader_t hdr;
1350 CONFIGPARMS cfg;
1351 SasExpanderPage1_t *buffer;
1352 dma_addr_t dma_handle;
bd23e94c
ME
1353 int error=0;
1354
1355 if (ioc->sas_discovery_runtime &&
1356 mptsas_is_end_device(&phy_info->attached))
1357 goto out;
0c33b27d
CH
1358
1359 hdr.PageVersion = MPI_SASEXPANDER0_PAGEVERSION;
1360 hdr.ExtPageLength = 0;
1361 hdr.PageNumber = 1;
1362 hdr.Reserved1 = 0;
1363 hdr.Reserved2 = 0;
1364 hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED;
1365 hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_EXPANDER;
1366
1367 cfg.cfghdr.ehdr = &hdr;
1368 cfg.physAddr = -1;
1369 cfg.pageAddr = form + form_specific;
1370 cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
1371 cfg.dir = 0; /* read */
1372 cfg.timeout = 10;
1373
1374 error = mpt_config(ioc, &cfg);
1375 if (error)
1376 goto out;
1377
1378 if (!hdr.ExtPageLength) {
1379 error = -ENXIO;
1380 goto out;
1381 }
1382
1383 buffer = pci_alloc_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
1384 &dma_handle);
1385 if (!buffer) {
1386 error = -ENOMEM;
1387 goto out;
1388 }
1389
1390 cfg.physAddr = dma_handle;
1391 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
1392
1393 error = mpt_config(ioc, &cfg);
1394 if (error)
1395 goto out_free_consistent;
1396
1397
1398 mptsas_print_expander_pg1(buffer);
1399
1400 /* save config data */
024358ee 1401 phy_info->phy_id = buffer->PhyIdentifier;
0c33b27d
CH
1402 phy_info->port_id = buffer->PhysicalPort;
1403 phy_info->negotiated_link_rate = buffer->NegotiatedLinkRate;
1404 phy_info->programmed_link_rate = buffer->ProgrammedLinkRate;
1405 phy_info->hw_link_rate = buffer->HwLinkRate;
1406 phy_info->identify.handle = le16_to_cpu(buffer->OwnerDevHandle);
1407 phy_info->attached.handle = le16_to_cpu(buffer->AttachedDevHandle);
1408
0c33b27d
CH
1409 out_free_consistent:
1410 pci_free_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
1411 buffer, dma_handle);
1412 out:
1413 return error;
1414}
1415
1416static void
1417mptsas_parse_device_info(struct sas_identify *identify,
1418 struct mptsas_devinfo *device_info)
1419{
1420 u16 protocols;
1421
1422 identify->sas_address = device_info->sas_address;
1423 identify->phy_identifier = device_info->phy_id;
1424
1425 /*
1426 * Fill in Phy Initiator Port Protocol.
1427 * Bits 6:3, more than one bit can be set, fall through cases.
1428 */
1429 protocols = device_info->device_info & 0x78;
1430 identify->initiator_port_protocols = 0;
1431 if (protocols & MPI_SAS_DEVICE_INFO_SSP_INITIATOR)
1432 identify->initiator_port_protocols |= SAS_PROTOCOL_SSP;
1433 if (protocols & MPI_SAS_DEVICE_INFO_STP_INITIATOR)
1434 identify->initiator_port_protocols |= SAS_PROTOCOL_STP;
1435 if (protocols & MPI_SAS_DEVICE_INFO_SMP_INITIATOR)
1436 identify->initiator_port_protocols |= SAS_PROTOCOL_SMP;
1437 if (protocols & MPI_SAS_DEVICE_INFO_SATA_HOST)
1438 identify->initiator_port_protocols |= SAS_PROTOCOL_SATA;
1439
1440 /*
1441 * Fill in Phy Target Port Protocol.
1442 * Bits 10:7, more than one bit can be set, fall through cases.
1443 */
1444 protocols = device_info->device_info & 0x780;
1445 identify->target_port_protocols = 0;
1446 if (protocols & MPI_SAS_DEVICE_INFO_SSP_TARGET)
1447 identify->target_port_protocols |= SAS_PROTOCOL_SSP;
1448 if (protocols & MPI_SAS_DEVICE_INFO_STP_TARGET)
1449 identify->target_port_protocols |= SAS_PROTOCOL_STP;
1450 if (protocols & MPI_SAS_DEVICE_INFO_SMP_TARGET)
1451 identify->target_port_protocols |= SAS_PROTOCOL_SMP;
1452 if (protocols & MPI_SAS_DEVICE_INFO_SATA_DEVICE)
1453 identify->target_port_protocols |= SAS_PROTOCOL_SATA;
1454
1455 /*
1456 * Fill in Attached device type.
1457 */
1458 switch (device_info->device_info &
1459 MPI_SAS_DEVICE_INFO_MASK_DEVICE_TYPE) {
1460 case MPI_SAS_DEVICE_INFO_NO_DEVICE:
1461 identify->device_type = SAS_PHY_UNUSED;
1462 break;
1463 case MPI_SAS_DEVICE_INFO_END_DEVICE:
1464 identify->device_type = SAS_END_DEVICE;
1465 break;
1466 case MPI_SAS_DEVICE_INFO_EDGE_EXPANDER:
1467 identify->device_type = SAS_EDGE_EXPANDER_DEVICE;
1468 break;
1469 case MPI_SAS_DEVICE_INFO_FANOUT_EXPANDER:
1470 identify->device_type = SAS_FANOUT_EXPANDER_DEVICE;
1471 break;
1472 }
1473}
1474
1475static int mptsas_probe_one_phy(struct device *dev,
ac01bbbd 1476 struct mptsas_phyinfo *phy_info, int index, int local)
0c33b27d 1477{
e6b2d76a 1478 MPT_ADAPTER *ioc;
9a28f49a 1479 struct sas_phy *phy;
547f9a21
EM
1480 struct sas_port *port;
1481 int error = 0;
0c33b27d 1482
547f9a21
EM
1483 if (!dev) {
1484 error = -ENODEV;
1485 goto out;
1486 }
e6b2d76a
ME
1487
1488 if (!phy_info->phy) {
1489 phy = sas_phy_alloc(dev, index);
547f9a21
EM
1490 if (!phy) {
1491 error = -ENOMEM;
1492 goto out;
1493 }
e6b2d76a
ME
1494 } else
1495 phy = phy_info->phy;
0c33b27d 1496
9a28f49a 1497 mptsas_parse_device_info(&phy->identify, &phy_info->identify);
0c33b27d
CH
1498
1499 /*
1500 * Set Negotiated link rate.
1501 */
1502 switch (phy_info->negotiated_link_rate) {
1503 case MPI_SAS_IOUNIT0_RATE_PHY_DISABLED:
9a28f49a 1504 phy->negotiated_linkrate = SAS_PHY_DISABLED;
0c33b27d
CH
1505 break;
1506 case MPI_SAS_IOUNIT0_RATE_FAILED_SPEED_NEGOTIATION:
9a28f49a 1507 phy->negotiated_linkrate = SAS_LINK_RATE_FAILED;
0c33b27d
CH
1508 break;
1509 case MPI_SAS_IOUNIT0_RATE_1_5:
9a28f49a 1510 phy->negotiated_linkrate = SAS_LINK_RATE_1_5_GBPS;
0c33b27d
CH
1511 break;
1512 case MPI_SAS_IOUNIT0_RATE_3_0:
9a28f49a 1513 phy->negotiated_linkrate = SAS_LINK_RATE_3_0_GBPS;
0c33b27d
CH
1514 break;
1515 case MPI_SAS_IOUNIT0_RATE_SATA_OOB_COMPLETE:
1516 case MPI_SAS_IOUNIT0_RATE_UNKNOWN:
1517 default:
9a28f49a 1518 phy->negotiated_linkrate = SAS_LINK_RATE_UNKNOWN;
0c33b27d
CH
1519 break;
1520 }
1521
1522 /*
1523 * Set Max hardware link rate.
1524 */
1525 switch (phy_info->hw_link_rate & MPI_SAS_PHY0_PRATE_MAX_RATE_MASK) {
1526 case MPI_SAS_PHY0_HWRATE_MAX_RATE_1_5:
9a28f49a 1527 phy->maximum_linkrate_hw = SAS_LINK_RATE_1_5_GBPS;
0c33b27d
CH
1528 break;
1529 case MPI_SAS_PHY0_PRATE_MAX_RATE_3_0:
9a28f49a 1530 phy->maximum_linkrate_hw = SAS_LINK_RATE_3_0_GBPS;
0c33b27d
CH
1531 break;
1532 default:
1533 break;
1534 }
1535
1536 /*
1537 * Set Max programmed link rate.
1538 */
1539 switch (phy_info->programmed_link_rate &
1540 MPI_SAS_PHY0_PRATE_MAX_RATE_MASK) {
1541 case MPI_SAS_PHY0_PRATE_MAX_RATE_1_5:
9a28f49a 1542 phy->maximum_linkrate = SAS_LINK_RATE_1_5_GBPS;
0c33b27d
CH
1543 break;
1544 case MPI_SAS_PHY0_PRATE_MAX_RATE_3_0:
9a28f49a 1545 phy->maximum_linkrate = SAS_LINK_RATE_3_0_GBPS;
0c33b27d
CH
1546 break;
1547 default:
1548 break;
1549 }
1550
1551 /*
1552 * Set Min hardware link rate.
1553 */
1554 switch (phy_info->hw_link_rate & MPI_SAS_PHY0_HWRATE_MIN_RATE_MASK) {
1555 case MPI_SAS_PHY0_HWRATE_MIN_RATE_1_5:
9a28f49a 1556 phy->minimum_linkrate_hw = SAS_LINK_RATE_1_5_GBPS;
0c33b27d
CH
1557 break;
1558 case MPI_SAS_PHY0_PRATE_MIN_RATE_3_0:
9a28f49a 1559 phy->minimum_linkrate_hw = SAS_LINK_RATE_3_0_GBPS;
0c33b27d
CH
1560 break;
1561 default:
1562 break;
1563 }
1564
1565 /*
1566 * Set Min programmed link rate.
1567 */
1568 switch (phy_info->programmed_link_rate &
1569 MPI_SAS_PHY0_PRATE_MIN_RATE_MASK) {
1570 case MPI_SAS_PHY0_PRATE_MIN_RATE_1_5:
9a28f49a 1571 phy->minimum_linkrate = SAS_LINK_RATE_1_5_GBPS;
0c33b27d
CH
1572 break;
1573 case MPI_SAS_PHY0_PRATE_MIN_RATE_3_0:
9a28f49a 1574 phy->minimum_linkrate = SAS_LINK_RATE_3_0_GBPS;
0c33b27d
CH
1575 break;
1576 default:
1577 break;
1578 }
1579
e6b2d76a 1580 if (!phy_info->phy) {
ac01bbbd 1581
e6b2d76a
ME
1582 error = sas_phy_add(phy);
1583 if (error) {
1584 sas_phy_free(phy);
547f9a21 1585 goto out;
e6b2d76a
ME
1586 }
1587 phy_info->phy = phy;
0c33b27d
CH
1588 }
1589
547f9a21
EM
1590 if (!phy_info->attached.handle ||
1591 !phy_info->port_details)
1592 goto out;
1593
1594 port = mptsas_get_port(phy_info);
1595 ioc = phy_to_ioc(phy_info->phy);
1596
1597 if (phy_info->sas_port_add_phy) {
1598
1599 if (!port) {
dc22f16d 1600 port = sas_port_alloc_num(dev);
547f9a21
EM
1601 if (!port) {
1602 error = -ENOMEM;
1603 goto out;
1604 }
1605 error = sas_port_add(port);
1606 if (error) {
1607 dfailprintk((MYIOC_s_ERR_FMT
1608 "%s: exit at line=%d\n", ioc->name,
1609 __FUNCTION__, __LINE__));
1610 goto out;
1611 }
1612 mptsas_set_port(phy_info, port);
dc22f16d
EM
1613 dsaswideprintk((KERN_DEBUG
1614 "sas_port_alloc: port=%p dev=%p port_id=%d\n",
1615 port, dev, port->port_identifier));
547f9a21
EM
1616 }
1617 dsaswideprintk((KERN_DEBUG "sas_port_add_phy: phy_id=%d\n",
1618 phy_info->phy_id));
1619 sas_port_add_phy(port, phy_info->phy);
1620 phy_info->sas_port_add_phy = 0;
1621 }
1622
1623 if (!mptsas_get_rphy(phy_info) && port && !port->rphy) {
e6b2d76a 1624
0c33b27d 1625 struct sas_rphy *rphy;
2686de27 1626 struct device *parent;
f013db32 1627 struct sas_identify identify;
0c33b27d 1628
2686de27 1629 parent = dev->parent->parent;
e6b2d76a
ME
1630 /*
1631 * Let the hotplug_work thread handle processing
1632 * the adding/removing of devices that occur
1633 * after start of day.
1634 */
1635 if (ioc->sas_discovery_runtime &&
1636 mptsas_is_end_device(&phy_info->attached))
547f9a21 1637 goto out;
e6b2d76a 1638
f013db32 1639 mptsas_parse_device_info(&identify, &phy_info->attached);
2686de27
JB
1640 if (scsi_is_host_device(parent)) {
1641 struct mptsas_portinfo *port_info;
1642 int i;
1643
1644 mutex_lock(&ioc->sas_topology_mutex);
1645 port_info = mptsas_find_portinfo_by_handle(ioc,
1646 ioc->handle);
1647 mutex_unlock(&ioc->sas_topology_mutex);
1648
1649 for (i = 0; i < port_info->num_phys; i++)
1650 if (port_info->phy_info[i].identify.sas_address ==
0c269e6d
JB
1651 identify.sas_address) {
1652 sas_port_mark_backlink(port);
2686de27 1653 goto out;
0c269e6d 1654 }
2686de27
JB
1655
1656 } else if (scsi_is_sas_rphy(parent)) {
1657 struct sas_rphy *parent_rphy = dev_to_rphy(parent);
1658 if (identify.sas_address ==
0c269e6d
JB
1659 parent_rphy->identify.sas_address) {
1660 sas_port_mark_backlink(port);
2686de27 1661 goto out;
0c269e6d 1662 }
2686de27
JB
1663 }
1664
f013db32
JB
1665 switch (identify.device_type) {
1666 case SAS_END_DEVICE:
547f9a21 1667 rphy = sas_end_device_alloc(port);
f013db32
JB
1668 break;
1669 case SAS_EDGE_EXPANDER_DEVICE:
1670 case SAS_FANOUT_EXPANDER_DEVICE:
547f9a21 1671 rphy = sas_expander_alloc(port, identify.device_type);
f013db32
JB
1672 break;
1673 default:
1674 rphy = NULL;
1675 break;
1676 }
547f9a21
EM
1677 if (!rphy) {
1678 dfailprintk((MYIOC_s_ERR_FMT
1679 "%s: exit at line=%d\n", ioc->name,
1680 __FUNCTION__, __LINE__));
1681 goto out;
1682 }
0c33b27d 1683
f013db32 1684 rphy->identify = identify;
0c33b27d
CH
1685 error = sas_rphy_add(rphy);
1686 if (error) {
547f9a21
EM
1687 dfailprintk((MYIOC_s_ERR_FMT
1688 "%s: exit at line=%d\n", ioc->name,
1689 __FUNCTION__, __LINE__));
0c33b27d 1690 sas_rphy_free(rphy);
547f9a21 1691 goto out;
0c33b27d 1692 }
547f9a21 1693 mptsas_set_rphy(phy_info, rphy);
0c33b27d
CH
1694 }
1695
547f9a21
EM
1696 out:
1697 return error;
0c33b27d
CH
1698}
1699
1700static int
e6b2d76a 1701mptsas_probe_hba_phys(MPT_ADAPTER *ioc)
0c33b27d 1702{
e6b2d76a 1703 struct mptsas_portinfo *port_info, *hba;
0c33b27d
CH
1704 u32 handle = 0xFFFF;
1705 int error = -ENOMEM, i;
1706
e6b2d76a
ME
1707 hba = kzalloc(sizeof(*port_info), GFP_KERNEL);
1708 if (! hba)
0c33b27d 1709 goto out;
0c33b27d 1710
e6b2d76a 1711 error = mptsas_sas_io_unit_pg0(ioc, hba);
0c33b27d
CH
1712 if (error)
1713 goto out_free_port_info;
1714
9a28f49a 1715 mutex_lock(&ioc->sas_topology_mutex);
2686de27 1716 ioc->handle = hba->handle;
e6b2d76a
ME
1717 port_info = mptsas_find_portinfo_by_handle(ioc, hba->handle);
1718 if (!port_info) {
1719 port_info = hba;
1720 list_add_tail(&port_info->list, &ioc->sas_topology);
1721 } else {
1722 port_info->handle = hba->handle;
1723 for (i = 0; i < hba->num_phys; i++)
1724 port_info->phy_info[i].negotiated_link_rate =
1725 hba->phy_info[i].negotiated_link_rate;
547f9a21 1726 kfree(hba->phy_info);
e6b2d76a
ME
1727 kfree(hba);
1728 hba = NULL;
1729 }
9a28f49a
CH
1730 mutex_unlock(&ioc->sas_topology_mutex);
1731
0c33b27d
CH
1732 for (i = 0; i < port_info->num_phys; i++) {
1733 mptsas_sas_phy_pg0(ioc, &port_info->phy_info[i],
1734 (MPI_SAS_PHY_PGAD_FORM_PHY_NUMBER <<
1735 MPI_SAS_PHY_PGAD_FORM_SHIFT), i);
1736
1737 mptsas_sas_device_pg0(ioc, &port_info->phy_info[i].identify,
1738 (MPI_SAS_DEVICE_PGAD_FORM_GET_NEXT_HANDLE <<
1739 MPI_SAS_DEVICE_PGAD_FORM_SHIFT), handle);
024358ee
EM
1740 port_info->phy_info[i].identify.phy_id =
1741 port_info->phy_info[i].phy_id;
0c33b27d
CH
1742 handle = port_info->phy_info[i].identify.handle;
1743
547f9a21 1744 if (port_info->phy_info[i].attached.handle)
0c33b27d
CH
1745 mptsas_sas_device_pg0(ioc,
1746 &port_info->phy_info[i].attached,
1747 (MPI_SAS_DEVICE_PGAD_FORM_HANDLE <<
1748 MPI_SAS_DEVICE_PGAD_FORM_SHIFT),
1749 port_info->phy_info[i].attached.handle);
547f9a21 1750 }
0c33b27d 1751
547f9a21
EM
1752 mptsas_setup_wide_ports(ioc, port_info);
1753
1754 for (i = 0; i < port_info->num_phys; i++, ioc->sas_index++)
0c33b27d 1755 mptsas_probe_one_phy(&ioc->sh->shost_gendev,
e6b2d76a 1756 &port_info->phy_info[i], ioc->sas_index, 1);
0c33b27d
CH
1757
1758 return 0;
1759
1760 out_free_port_info:
547f9a21 1761 kfree(hba);
0c33b27d
CH
1762 out:
1763 return error;
1764}
1765
1766static int
e6b2d76a 1767mptsas_probe_expander_phys(MPT_ADAPTER *ioc, u32 *handle)
0c33b27d 1768{
e6b2d76a 1769 struct mptsas_portinfo *port_info, *p, *ex;
547f9a21
EM
1770 struct device *parent;
1771 struct sas_rphy *rphy;
0c33b27d
CH
1772 int error = -ENOMEM, i, j;
1773
e6b2d76a
ME
1774 ex = kzalloc(sizeof(*port_info), GFP_KERNEL);
1775 if (!ex)
0c33b27d 1776 goto out;
0c33b27d 1777
e6b2d76a 1778 error = mptsas_sas_expander_pg0(ioc, ex,
0c33b27d
CH
1779 (MPI_SAS_EXPAND_PGAD_FORM_GET_NEXT_HANDLE <<
1780 MPI_SAS_EXPAND_PGAD_FORM_SHIFT), *handle);
1781 if (error)
1782 goto out_free_port_info;
1783
e6b2d76a 1784 *handle = ex->handle;
0c33b27d 1785
9a28f49a 1786 mutex_lock(&ioc->sas_topology_mutex);
e6b2d76a
ME
1787 port_info = mptsas_find_portinfo_by_handle(ioc, *handle);
1788 if (!port_info) {
1789 port_info = ex;
1790 list_add_tail(&port_info->list, &ioc->sas_topology);
1791 } else {
1792 port_info->handle = ex->handle;
547f9a21 1793 kfree(ex->phy_info);
e6b2d76a
ME
1794 kfree(ex);
1795 ex = NULL;
1796 }
9a28f49a
CH
1797 mutex_unlock(&ioc->sas_topology_mutex);
1798
0c33b27d 1799 for (i = 0; i < port_info->num_phys; i++) {
0c33b27d
CH
1800 mptsas_sas_expander_pg1(ioc, &port_info->phy_info[i],
1801 (MPI_SAS_EXPAND_PGAD_FORM_HANDLE_PHY_NUM <<
1802 MPI_SAS_EXPAND_PGAD_FORM_SHIFT), (i << 16) + *handle);
1803
1804 if (port_info->phy_info[i].identify.handle) {
1805 mptsas_sas_device_pg0(ioc,
1806 &port_info->phy_info[i].identify,
1807 (MPI_SAS_DEVICE_PGAD_FORM_HANDLE <<
1808 MPI_SAS_DEVICE_PGAD_FORM_SHIFT),
1809 port_info->phy_info[i].identify.handle);
024358ee
EM
1810 port_info->phy_info[i].identify.phy_id =
1811 port_info->phy_info[i].phy_id;
0c33b27d
CH
1812 }
1813
1814 if (port_info->phy_info[i].attached.handle) {
1815 mptsas_sas_device_pg0(ioc,
1816 &port_info->phy_info[i].attached,
1817 (MPI_SAS_DEVICE_PGAD_FORM_HANDLE <<
1818 MPI_SAS_DEVICE_PGAD_FORM_SHIFT),
1819 port_info->phy_info[i].attached.handle);
db9c9174
ME
1820 port_info->phy_info[i].attached.phy_id =
1821 port_info->phy_info[i].phy_id;
0c33b27d 1822 }
547f9a21 1823 }
0c33b27d 1824
547f9a21
EM
1825 parent = &ioc->sh->shost_gendev;
1826 for (i = 0; i < port_info->num_phys; i++) {
9a28f49a 1827 mutex_lock(&ioc->sas_topology_mutex);
0c33b27d
CH
1828 list_for_each_entry(p, &ioc->sas_topology, list) {
1829 for (j = 0; j < p->num_phys; j++) {
547f9a21 1830 if (port_info->phy_info[i].identify.handle !=
0c33b27d 1831 p->phy_info[j].attached.handle)
547f9a21
EM
1832 continue;
1833 rphy = mptsas_get_rphy(&p->phy_info[j]);
1834 parent = &rphy->dev;
0c33b27d
CH
1835 }
1836 }
9a28f49a 1837 mutex_unlock(&ioc->sas_topology_mutex);
547f9a21
EM
1838 }
1839
1840 mptsas_setup_wide_ports(ioc, port_info);
0c33b27d 1841
547f9a21 1842 for (i = 0; i < port_info->num_phys; i++, ioc->sas_index++)
ac01bbbd 1843 mptsas_probe_one_phy(parent, &port_info->phy_info[i],
e6b2d76a 1844 ioc->sas_index, 0);
0c33b27d
CH
1845
1846 return 0;
1847
1848 out_free_port_info:
e6b2d76a 1849 if (ex) {
547f9a21 1850 kfree(ex->phy_info);
e6b2d76a
ME
1851 kfree(ex);
1852 }
0c33b27d
CH
1853 out:
1854 return error;
1855}
1856
e6b2d76a
ME
1857/*
1858 * mptsas_delete_expander_phys
1859 *
1860 *
1861 * This will traverse topology, and remove expanders
1862 * that are no longer present
1863 */
1864static void
1865mptsas_delete_expander_phys(MPT_ADAPTER *ioc)
1866{
1867 struct mptsas_portinfo buffer;
1868 struct mptsas_portinfo *port_info, *n, *parent;
547f9a21
EM
1869 struct mptsas_phyinfo *phy_info;
1870 struct scsi_target * starget;
1871 VirtTarget * vtarget;
1872 struct sas_port * port;
e6b2d76a 1873 int i;
547f9a21 1874 u64 expander_sas_address;
e6b2d76a
ME
1875
1876 mutex_lock(&ioc->sas_topology_mutex);
1877 list_for_each_entry_safe(port_info, n, &ioc->sas_topology, list) {
1878
1879 if (port_info->phy_info &&
1880 (!(port_info->phy_info[0].identify.device_info &
1881 MPI_SAS_DEVICE_INFO_SMP_TARGET)))
1882 continue;
1883
1884 if (mptsas_sas_expander_pg0(ioc, &buffer,
1885 (MPI_SAS_EXPAND_PGAD_FORM_HANDLE <<
1886 MPI_SAS_EXPAND_PGAD_FORM_SHIFT), port_info->handle)) {
1887
547f9a21
EM
1888 /*
1889 * Issue target reset to all child end devices
1890 * then mark them deleted to prevent further
1891 * IO going to them.
1892 */
1893 phy_info = port_info->phy_info;
1894 for (i = 0; i < port_info->num_phys; i++, phy_info++) {
1895 starget = mptsas_get_starget(phy_info);
1896 if (!starget)
1897 continue;
1898 vtarget = starget->hostdata;
1899 if(vtarget->deleted)
1900 continue;
1901 vtarget->deleted = 1;
1902 mptsas_target_reset(ioc, vtarget);
1903 sas_port_delete(mptsas_get_port(phy_info));
1904 mptsas_port_delete(phy_info->port_details);
1905 }
1906
e6b2d76a
ME
1907 /*
1908 * Obtain the port_info instance to the parent port
1909 */
1910 parent = mptsas_find_portinfo_by_handle(ioc,
1911 port_info->phy_info[0].identify.handle_parent);
1912
1913 if (!parent)
1914 goto next_port;
1915
547f9a21
EM
1916 expander_sas_address =
1917 port_info->phy_info[0].identify.sas_address;
1918
e6b2d76a
ME
1919 /*
1920 * Delete rphys in the parent that point
1921 * to this expander. The transport layer will
1922 * cleanup all the children.
1923 */
547f9a21
EM
1924 phy_info = parent->phy_info;
1925 for (i = 0; i < parent->num_phys; i++, phy_info++) {
1926 port = mptsas_get_port(phy_info);
1927 if (!port)
1928 continue;
1929 if (phy_info->attached.sas_address !=
1930 expander_sas_address)
e6b2d76a 1931 continue;
547f9a21 1932#ifdef MPT_DEBUG_SAS_WIDE
dc22f16d
EM
1933 dev_printk(KERN_DEBUG, &port->dev,
1934 "delete port (%d)\n", port->port_identifier);
547f9a21
EM
1935#endif
1936 sas_port_delete(port);
1937 mptsas_port_delete(phy_info->port_details);
e6b2d76a
ME
1938 }
1939 next_port:
547f9a21
EM
1940
1941 phy_info = port_info->phy_info;
1942 for (i = 0; i < port_info->num_phys; i++, phy_info++)
1943 mptsas_port_delete(phy_info->port_details);
1944
e6b2d76a 1945 list_del(&port_info->list);
547f9a21 1946 kfree(port_info->phy_info);
e6b2d76a
ME
1947 kfree(port_info);
1948 }
1949 /*
1950 * Free this memory allocated from inside
1951 * mptsas_sas_expander_pg0
1952 */
547f9a21 1953 kfree(buffer.phy_info);
e6b2d76a
ME
1954 }
1955 mutex_unlock(&ioc->sas_topology_mutex);
1956}
1957
1958/*
1959 * Start of day discovery
1960 */
0c33b27d
CH
1961static void
1962mptsas_scan_sas_topology(MPT_ADAPTER *ioc)
1963{
1964 u32 handle = 0xFFFF;
f44e5461 1965 int i;
0c33b27d 1966
e6b2d76a
ME
1967 mutex_lock(&ioc->sas_discovery_mutex);
1968 mptsas_probe_hba_phys(ioc);
1969 while (!mptsas_probe_expander_phys(ioc, &handle))
0c33b27d 1970 ;
f44e5461
ME
1971 /*
1972 Reporting RAID volumes.
1973 */
1974 if (!ioc->raid_data.pIocPg2)
1975 goto out;
1976 if (!ioc->raid_data.pIocPg2->NumActiveVolumes)
1977 goto out;
1978 for (i=0; i<ioc->raid_data.pIocPg2->NumActiveVolumes; i++) {
e8bf3941 1979 scsi_add_device(ioc->sh, MPTSAS_RAID_CHANNEL,
f44e5461
ME
1980 ioc->raid_data.pIocPg2->RaidVolume[i].VolumeID, 0);
1981 }
1982 out:
e6b2d76a
ME
1983 mutex_unlock(&ioc->sas_discovery_mutex);
1984}
1985
1986/*
1987 * Work queue thread to handle Runtime discovery
1988 * Mere purpose is the hot add/delete of expanders
547f9a21 1989 *(Mutex UNLOCKED)
e6b2d76a
ME
1990 */
1991static void
547f9a21 1992__mptsas_discovery_work(MPT_ADAPTER *ioc)
e6b2d76a 1993{
e6b2d76a
ME
1994 u32 handle = 0xFFFF;
1995
e6b2d76a
ME
1996 ioc->sas_discovery_runtime=1;
1997 mptsas_delete_expander_phys(ioc);
1998 mptsas_probe_hba_phys(ioc);
1999 while (!mptsas_probe_expander_phys(ioc, &handle))
2000 ;
e6b2d76a 2001 ioc->sas_discovery_runtime=0;
547f9a21
EM
2002}
2003
2004/*
2005 * Work queue thread to handle Runtime discovery
2006 * Mere purpose is the hot add/delete of expanders
2007 *(Mutex LOCKED)
2008 */
2009static void
c4028958 2010mptsas_discovery_work(struct work_struct *work)
547f9a21 2011{
c4028958
DH
2012 struct mptsas_discovery_event *ev =
2013 container_of(work, struct mptsas_discovery_event, work);
547f9a21
EM
2014 MPT_ADAPTER *ioc = ev->ioc;
2015
2016 mutex_lock(&ioc->sas_discovery_mutex);
2017 __mptsas_discovery_work(ioc);
e6b2d76a 2018 mutex_unlock(&ioc->sas_discovery_mutex);
547f9a21 2019 kfree(ev);
0c33b27d
CH
2020}
2021
9a28f49a 2022static struct mptsas_phyinfo *
547f9a21 2023mptsas_find_phyinfo_by_sas_address(MPT_ADAPTER *ioc, u64 sas_address)
9a28f49a
CH
2024{
2025 struct mptsas_portinfo *port_info;
9a28f49a 2026 struct mptsas_phyinfo *phy_info = NULL;
547f9a21 2027 int i;
9a28f49a 2028
9a28f49a
CH
2029 mutex_lock(&ioc->sas_topology_mutex);
2030 list_for_each_entry(port_info, &ioc->sas_topology, list) {
2031 for (i = 0; i < port_info->num_phys; i++) {
547f9a21
EM
2032 if (port_info->phy_info[i].attached.sas_address
2033 != sas_address)
2034 continue;
2035 if (!mptsas_is_end_device(
2036 &port_info->phy_info[i].attached))
2037 continue;
2038 phy_info = &port_info->phy_info[i];
2039 break;
9a28f49a
CH
2040 }
2041 }
2042 mutex_unlock(&ioc->sas_topology_mutex);
9a28f49a
CH
2043 return phy_info;
2044}
2045
2046static struct mptsas_phyinfo *
c73787ee 2047mptsas_find_phyinfo_by_target(MPT_ADAPTER *ioc, u32 id)
9a28f49a
CH
2048{
2049 struct mptsas_portinfo *port_info;
2050 struct mptsas_phyinfo *phy_info = NULL;
2051 int i;
2052
9a28f49a
CH
2053 mutex_lock(&ioc->sas_topology_mutex);
2054 list_for_each_entry(port_info, &ioc->sas_topology, list) {
547f9a21
EM
2055 for (i = 0; i < port_info->num_phys; i++) {
2056 if (port_info->phy_info[i].attached.id != id)
2057 continue;
2058 if (!mptsas_is_end_device(
2059 &port_info->phy_info[i].attached))
2060 continue;
2061 phy_info = &port_info->phy_info[i];
2062 break;
2063 }
9a28f49a
CH
2064 }
2065 mutex_unlock(&ioc->sas_topology_mutex);
9a28f49a
CH
2066 return phy_info;
2067}
2068
4b766471
ME
2069/*
2070 * Work queue thread to clear the persitency table
2071 */
2072static void
c4028958 2073mptsas_persist_clear_table(struct work_struct *work)
4b766471 2074{
c4028958 2075 MPT_ADAPTER *ioc = container_of(work, MPT_ADAPTER, sas_persist_task);
4b766471
ME
2076
2077 mptbase_sas_persist_operation(ioc, MPI_SAS_OP_CLEAR_NOT_PRESENT);
2078}
2079
f44e5461
ME
2080static void
2081mptsas_reprobe_lun(struct scsi_device *sdev, void *data)
2082{
f99be43b
EM
2083 int rc;
2084
f44e5461 2085 sdev->no_uld_attach = data ? 1 : 0;
f99be43b 2086 rc = scsi_device_reprobe(sdev);
f44e5461
ME
2087}
2088
2089static void
2090mptsas_reprobe_target(struct scsi_target *starget, int uld_attach)
2091{
2092 starget_for_each_device(starget, uld_attach ? (void *)1 : NULL,
2093 mptsas_reprobe_lun);
2094}
2095
e6b2d76a
ME
2096/*
2097 * Work queue thread to handle SAS hotplug events
2098 */
9a28f49a 2099static void
c4028958 2100mptsas_hotplug_work(struct work_struct *work)
9a28f49a 2101{
c4028958
DH
2102 struct mptsas_hotplug_event *ev =
2103 container_of(work, struct mptsas_hotplug_event, work);
9a28f49a
CH
2104 MPT_ADAPTER *ioc = ev->ioc;
2105 struct mptsas_phyinfo *phy_info;
2106 struct sas_rphy *rphy;
547f9a21 2107 struct sas_port *port;
c73787ee 2108 struct scsi_device *sdev;
547f9a21 2109 struct scsi_target * starget;
f013db32 2110 struct sas_identify identify;
9a28f49a 2111 char *ds = NULL;
c73787ee 2112 struct mptsas_devinfo sas_device;
f44e5461 2113 VirtTarget *vtarget;
547f9a21 2114 VirtDevice *vdevice;
9a28f49a 2115
e6b2d76a 2116
547f9a21 2117 mutex_lock(&ioc->sas_discovery_mutex);
9a28f49a
CH
2118 switch (ev->event_type) {
2119 case MPTSAS_DEL_DEVICE:
9a28f49a 2120
c73787ee 2121 phy_info = mptsas_find_phyinfo_by_target(ioc, ev->id);
e6b2d76a 2122
f44e5461
ME
2123 /*
2124 * Sanity checks, for non-existing phys and remote rphys.
2125 */
547f9a21
EM
2126 if (!phy_info || !phy_info->port_details) {
2127 dfailprintk((MYIOC_s_ERR_FMT
2128 "%s: exit at line=%d\n", ioc->name,
2129 __FUNCTION__, __LINE__));
9a28f49a 2130 break;
547f9a21
EM
2131 }
2132 rphy = mptsas_get_rphy(phy_info);
2133 if (!rphy) {
2134 dfailprintk((MYIOC_s_ERR_FMT
2135 "%s: exit at line=%d\n", ioc->name,
2136 __FUNCTION__, __LINE__));
2137 break;
2138 }
2139 port = mptsas_get_port(phy_info);
2140 if (!port) {
2141 dfailprintk((MYIOC_s_ERR_FMT
2142 "%s: exit at line=%d\n", ioc->name,
2143 __FUNCTION__, __LINE__));
f44e5461 2144 break;
547f9a21
EM
2145 }
2146
2147 starget = mptsas_get_starget(phy_info);
2148 if (starget) {
2149 vtarget = starget->hostdata;
f44e5461 2150
547f9a21
EM
2151 if (!vtarget) {
2152 dfailprintk((MYIOC_s_ERR_FMT
2153 "%s: exit at line=%d\n", ioc->name,
2154 __FUNCTION__, __LINE__));
f44e5461 2155 break;
547f9a21
EM
2156 }
2157
f44e5461
ME
2158 /*
2159 * Handling RAID components
2160 */
2161 if (ev->phys_disk_num_valid) {
2162 vtarget->target_id = ev->phys_disk_num;
2163 vtarget->tflags |= MPT_TARGET_FLAGS_RAID_COMPONENT;
547f9a21 2164 mptsas_reprobe_target(starget, 1);
f44e5461
ME
2165 break;
2166 }
547f9a21
EM
2167
2168 vtarget->deleted = 1;
2169 mptsas_target_reset(ioc, vtarget);
9a28f49a
CH
2170 }
2171
c73787ee
ME
2172 if (phy_info->attached.device_info & MPI_SAS_DEVICE_INFO_SSP_TARGET)
2173 ds = "ssp";
2174 if (phy_info->attached.device_info & MPI_SAS_DEVICE_INFO_STP_TARGET)
2175 ds = "stp";
2176 if (phy_info->attached.device_info & MPI_SAS_DEVICE_INFO_SATA_DEVICE)
2177 ds = "sata";
2178
2179 printk(MYIOC_s_INFO_FMT
2180 "removing %s device, channel %d, id %d, phy %d\n",
2181 ioc->name, ds, ev->channel, ev->id, phy_info->phy_id);
2182
547f9a21 2183#ifdef MPT_DEBUG_SAS_WIDE
dc22f16d
EM
2184 dev_printk(KERN_DEBUG, &port->dev,
2185 "delete port (%d)\n", port->port_identifier);
547f9a21
EM
2186#endif
2187 sas_port_delete(port);
2188 mptsas_port_delete(phy_info->port_details);
9a28f49a
CH
2189 break;
2190 case MPTSAS_ADD_DEVICE:
c73787ee 2191
bd23e94c
ME
2192 if (ev->phys_disk_num_valid)
2193 mpt_findImVolumes(ioc);
2194
c73787ee 2195 /*
e3094447 2196 * Refresh sas device pg0 data
c73787ee 2197 */
e3094447
CH
2198 if (mptsas_sas_device_pg0(ioc, &sas_device,
2199 (MPI_SAS_DEVICE_PGAD_FORM_BUS_TARGET_ID <<
547f9a21
EM
2200 MPI_SAS_DEVICE_PGAD_FORM_SHIFT), ev->id)) {
2201 dfailprintk((MYIOC_s_ERR_FMT
2202 "%s: exit at line=%d\n", ioc->name,
2203 __FUNCTION__, __LINE__));
e3094447 2204 break;
547f9a21 2205 }
9a28f49a 2206
547f9a21
EM
2207 ssleep(2);
2208 __mptsas_discovery_work(ioc);
e6b2d76a 2209
547f9a21
EM
2210 phy_info = mptsas_find_phyinfo_by_sas_address(ioc,
2211 sas_device.sas_address);
e6b2d76a 2212
547f9a21
EM
2213 if (!phy_info || !phy_info->port_details) {
2214 dfailprintk((MYIOC_s_ERR_FMT
2215 "%s: exit at line=%d\n", ioc->name,
2216 __FUNCTION__, __LINE__));
2217 break;
e6b2d76a
ME
2218 }
2219
547f9a21
EM
2220 starget = mptsas_get_starget(phy_info);
2221 if (starget) {
2222 vtarget = starget->hostdata;
9a28f49a 2223
547f9a21
EM
2224 if (!vtarget) {
2225 dfailprintk((MYIOC_s_ERR_FMT
2226 "%s: exit at line=%d\n", ioc->name,
2227 __FUNCTION__, __LINE__));
f44e5461 2228 break;
547f9a21 2229 }
f44e5461
ME
2230 /*
2231 * Handling RAID components
2232 */
2233 if (vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT) {
2234 vtarget->tflags &= ~MPT_TARGET_FLAGS_RAID_COMPONENT;
2235 vtarget->target_id = ev->id;
547f9a21 2236 mptsas_reprobe_target(starget, 0);
f44e5461 2237 }
9a28f49a
CH
2238 break;
2239 }
2240
547f9a21
EM
2241 if (mptsas_get_rphy(phy_info)) {
2242 dfailprintk((MYIOC_s_ERR_FMT
2243 "%s: exit at line=%d\n", ioc->name,
2244 __FUNCTION__, __LINE__));
f44e5461 2245 break;
547f9a21
EM
2246 }
2247 port = mptsas_get_port(phy_info);
2248 if (!port) {
2249 dfailprintk((MYIOC_s_ERR_FMT
2250 "%s: exit at line=%d\n", ioc->name,
2251 __FUNCTION__, __LINE__));
2252 break;
2253 }
f44e5461 2254
e3094447
CH
2255 memcpy(&phy_info->attached, &sas_device,
2256 sizeof(struct mptsas_devinfo));
9a28f49a 2257
c73787ee
ME
2258 if (phy_info->attached.device_info & MPI_SAS_DEVICE_INFO_SSP_TARGET)
2259 ds = "ssp";
2260 if (phy_info->attached.device_info & MPI_SAS_DEVICE_INFO_STP_TARGET)
2261 ds = "stp";
2262 if (phy_info->attached.device_info & MPI_SAS_DEVICE_INFO_SATA_DEVICE)
2263 ds = "sata";
2264
2265 printk(MYIOC_s_INFO_FMT
2266 "attaching %s device, channel %d, id %d, phy %d\n",
2267 ioc->name, ds, ev->channel, ev->id, ev->phy_id);
2268
f013db32 2269 mptsas_parse_device_info(&identify, &phy_info->attached);
547f9a21
EM
2270 rphy = sas_end_device_alloc(port);
2271 if (!rphy) {
2272 dfailprintk((MYIOC_s_ERR_FMT
2273 "%s: exit at line=%d\n", ioc->name,
2274 __FUNCTION__, __LINE__));
9a28f49a 2275 break; /* non-fatal: an rphy can be added later */
547f9a21 2276 }
9a28f49a 2277
f013db32 2278 rphy->identify = identify;
9a28f49a 2279 if (sas_rphy_add(rphy)) {
547f9a21
EM
2280 dfailprintk((MYIOC_s_ERR_FMT
2281 "%s: exit at line=%d\n", ioc->name,
2282 __FUNCTION__, __LINE__));
9a28f49a
CH
2283 sas_rphy_free(rphy);
2284 break;
2285 }
547f9a21 2286 mptsas_set_rphy(phy_info, rphy);
9a28f49a 2287 break;
c73787ee 2288 case MPTSAS_ADD_RAID:
e8bf3941
JB
2289 sdev = scsi_device_lookup(ioc->sh, MPTSAS_RAID_CHANNEL,
2290 ev->id, 0);
c73787ee
ME
2291 if (sdev) {
2292 scsi_device_put(sdev);
2293 break;
2294 }
2295 printk(MYIOC_s_INFO_FMT
4b766471 2296 "attaching raid volume, channel %d, id %d\n",
e8bf3941
JB
2297 ioc->name, MPTSAS_RAID_CHANNEL, ev->id);
2298 scsi_add_device(ioc->sh, MPTSAS_RAID_CHANNEL, ev->id, 0);
c73787ee
ME
2299 mpt_findImVolumes(ioc);
2300 break;
2301 case MPTSAS_DEL_RAID:
e8bf3941
JB
2302 sdev = scsi_device_lookup(ioc->sh, MPTSAS_RAID_CHANNEL,
2303 ev->id, 0);
c73787ee
ME
2304 if (!sdev)
2305 break;
2306 printk(MYIOC_s_INFO_FMT
4b766471 2307 "removing raid volume, channel %d, id %d\n",
e8bf3941 2308 ioc->name, MPTSAS_RAID_CHANNEL, ev->id);
547f9a21
EM
2309 vdevice = sdev->hostdata;
2310 vdevice->vtarget->deleted = 1;
2311 mptsas_target_reset(ioc, vdevice->vtarget);
c73787ee
ME
2312 scsi_remove_device(sdev);
2313 scsi_device_put(sdev);
2314 mpt_findImVolumes(ioc);
2315 break;
bd23e94c
ME
2316 case MPTSAS_IGNORE_EVENT:
2317 default:
2318 break;
9a28f49a
CH
2319 }
2320
e6b2d76a 2321 mutex_unlock(&ioc->sas_discovery_mutex);
547f9a21
EM
2322 kfree(ev);
2323
9a28f49a
CH
2324}
2325
2326static void
547f9a21 2327mptsas_send_sas_event(MPT_ADAPTER *ioc,
9a28f49a
CH
2328 EVENT_DATA_SAS_DEVICE_STATUS_CHANGE *sas_event_data)
2329{
2330 struct mptsas_hotplug_event *ev;
2331 u32 device_info = le32_to_cpu(sas_event_data->DeviceInfo);
2332 __le64 sas_address;
2333
2334 if ((device_info &
2335 (MPI_SAS_DEVICE_INFO_SSP_TARGET |
2336 MPI_SAS_DEVICE_INFO_STP_TARGET |
2337 MPI_SAS_DEVICE_INFO_SATA_DEVICE )) == 0)
2338 return;
2339
4b766471
ME
2340 switch (sas_event_data->ReasonCode) {
2341 case MPI_EVENT_SAS_DEV_STAT_RC_ADDED:
2342 case MPI_EVENT_SAS_DEV_STAT_RC_NOT_RESPONDING:
547f9a21 2343 ev = kzalloc(sizeof(*ev), GFP_ATOMIC);
4b766471
ME
2344 if (!ev) {
2345 printk(KERN_WARNING "mptsas: lost hotplug event\n");
2346 break;
2347 }
9a28f49a 2348
c4028958 2349 INIT_WORK(&ev->work, mptsas_hotplug_work);
4b766471
ME
2350 ev->ioc = ioc;
2351 ev->handle = le16_to_cpu(sas_event_data->DevHandle);
2352 ev->parent_handle =
2353 le16_to_cpu(sas_event_data->ParentDevHandle);
2354 ev->channel = sas_event_data->Bus;
2355 ev->id = sas_event_data->TargetID;
2356 ev->phy_id = sas_event_data->PhyNum;
2357 memcpy(&sas_address, &sas_event_data->SASAddress,
2358 sizeof(__le64));
2359 ev->sas_address = le64_to_cpu(sas_address);
2360 ev->device_info = device_info;
2361
2362 if (sas_event_data->ReasonCode &
2363 MPI_EVENT_SAS_DEV_STAT_RC_ADDED)
2364 ev->event_type = MPTSAS_ADD_DEVICE;
2365 else
2366 ev->event_type = MPTSAS_DEL_DEVICE;
2367 schedule_work(&ev->work);
2368 break;
2369 case MPI_EVENT_SAS_DEV_STAT_RC_NO_PERSIST_ADDED:
2370 /*
2371 * Persistent table is full.
2372 */
547f9a21 2373 INIT_WORK(&ioc->sas_persist_task,
c4028958 2374 mptsas_persist_clear_table);
547f9a21 2375 schedule_work(&ioc->sas_persist_task);
4b766471
ME
2376 break;
2377 case MPI_EVENT_SAS_DEV_STAT_RC_SMART_DATA:
2378 /* TODO */
2379 case MPI_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET:
2380 /* TODO */
2381 default:
2382 break;
9a28f49a 2383 }
9a28f49a
CH
2384}
2385
c73787ee 2386static void
547f9a21 2387mptsas_send_raid_event(MPT_ADAPTER *ioc,
c73787ee
ME
2388 EVENT_DATA_RAID *raid_event_data)
2389{
2390 struct mptsas_hotplug_event *ev;
bd23e94c
ME
2391 int status = le32_to_cpu(raid_event_data->SettingsStatus);
2392 int state = (status >> 8) & 0xff;
c73787ee
ME
2393
2394 if (ioc->bus_type != SAS)
2395 return;
2396
547f9a21 2397 ev = kzalloc(sizeof(*ev), GFP_ATOMIC);
c73787ee
ME
2398 if (!ev) {
2399 printk(KERN_WARNING "mptsas: lost hotplug event\n");
2400 return;
2401 }
2402
c4028958 2403 INIT_WORK(&ev->work, mptsas_hotplug_work);
c73787ee
ME
2404 ev->ioc = ioc;
2405 ev->id = raid_event_data->VolumeID;
bd23e94c 2406 ev->event_type = MPTSAS_IGNORE_EVENT;
c73787ee
ME
2407
2408 switch (raid_event_data->ReasonCode) {
2409 case MPI_EVENT_RAID_RC_PHYSDISK_DELETED:
2410 ev->event_type = MPTSAS_ADD_DEVICE;
2411 break;
2412 case MPI_EVENT_RAID_RC_PHYSDISK_CREATED:
f44e5461
ME
2413 ioc->raid_data.isRaid = 1;
2414 ev->phys_disk_num_valid = 1;
2415 ev->phys_disk_num = raid_event_data->PhysDiskNum;
c73787ee
ME
2416 ev->event_type = MPTSAS_DEL_DEVICE;
2417 break;
bd23e94c
ME
2418 case MPI_EVENT_RAID_RC_PHYSDISK_STATUS_CHANGED:
2419 switch (state) {
2420 case MPI_PD_STATE_ONLINE:
2421 ioc->raid_data.isRaid = 1;
2422 ev->phys_disk_num_valid = 1;
2423 ev->phys_disk_num = raid_event_data->PhysDiskNum;
2424 ev->event_type = MPTSAS_ADD_DEVICE;
2425 break;
2426 case MPI_PD_STATE_MISSING:
2427 case MPI_PD_STATE_NOT_COMPATIBLE:
2428 case MPI_PD_STATE_OFFLINE_AT_HOST_REQUEST:
2429 case MPI_PD_STATE_FAILED_AT_HOST_REQUEST:
2430 case MPI_PD_STATE_OFFLINE_FOR_ANOTHER_REASON:
2431 ev->event_type = MPTSAS_DEL_DEVICE;
2432 break;
2433 default:
2434 break;
2435 }
2436 break;
c73787ee
ME
2437 case MPI_EVENT_RAID_RC_VOLUME_DELETED:
2438 ev->event_type = MPTSAS_DEL_RAID;
2439 break;
2440 case MPI_EVENT_RAID_RC_VOLUME_CREATED:
2441 ev->event_type = MPTSAS_ADD_RAID;
2442 break;
2443 case MPI_EVENT_RAID_RC_VOLUME_STATUS_CHANGED:
bd23e94c
ME
2444 switch (state) {
2445 case MPI_RAIDVOL0_STATUS_STATE_FAILED:
2446 case MPI_RAIDVOL0_STATUS_STATE_MISSING:
2447 ev->event_type = MPTSAS_DEL_RAID;
2448 break;
2449 case MPI_RAIDVOL0_STATUS_STATE_OPTIMAL:
2450 case MPI_RAIDVOL0_STATUS_STATE_DEGRADED:
2451 ev->event_type = MPTSAS_ADD_RAID;
2452 break;
2453 default:
2454 break;
2455 }
c73787ee
ME
2456 break;
2457 default:
2458 break;
2459 }
2460 schedule_work(&ev->work);
2461}
2462
e6b2d76a 2463static void
547f9a21 2464mptsas_send_discovery_event(MPT_ADAPTER *ioc,
e6b2d76a
ME
2465 EVENT_DATA_SAS_DISCOVERY *discovery_data)
2466{
2467 struct mptsas_discovery_event *ev;
2468
2469 /*
2470 * DiscoveryStatus
2471 *
2472 * This flag will be non-zero when firmware
2473 * kicks off discovery, and return to zero
2474 * once its completed.
2475 */
2476 if (discovery_data->DiscoveryStatus)
2477 return;
2478
547f9a21 2479 ev = kzalloc(sizeof(*ev), GFP_ATOMIC);
e6b2d76a
ME
2480 if (!ev)
2481 return;
c4028958 2482 INIT_WORK(&ev->work, mptsas_discovery_work);
e6b2d76a
ME
2483 ev->ioc = ioc;
2484 schedule_work(&ev->work);
2485};
2486
2487
9a28f49a
CH
2488static int
2489mptsas_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *reply)
2490{
c73787ee 2491 int rc=1;
9a28f49a
CH
2492 u8 event = le32_to_cpu(reply->Event) & 0xFF;
2493
2494 if (!ioc->sh)
c73787ee 2495 goto out;
9a28f49a 2496
e6b2d76a
ME
2497 /*
2498 * sas_discovery_ignore_events
2499 *
2500 * This flag is to prevent anymore processing of
2501 * sas events once mptsas_remove function is called.
2502 */
2503 if (ioc->sas_discovery_ignore_events) {
2504 rc = mptscsih_event_process(ioc, reply);
2505 goto out;
2506 }
2507
9a28f49a
CH
2508 switch (event) {
2509 case MPI_EVENT_SAS_DEVICE_STATUS_CHANGE:
547f9a21 2510 mptsas_send_sas_event(ioc,
9a28f49a 2511 (EVENT_DATA_SAS_DEVICE_STATUS_CHANGE *)reply->Data);
c73787ee
ME
2512 break;
2513 case MPI_EVENT_INTEGRATED_RAID:
547f9a21 2514 mptsas_send_raid_event(ioc,
c73787ee
ME
2515 (EVENT_DATA_RAID *)reply->Data);
2516 break;
79de278e 2517 case MPI_EVENT_PERSISTENT_TABLE_FULL:
547f9a21 2518 INIT_WORK(&ioc->sas_persist_task,
c4028958 2519 mptsas_persist_clear_table);
547f9a21 2520 schedule_work(&ioc->sas_persist_task);
79de278e 2521 break;
4b766471 2522 case MPI_EVENT_SAS_DISCOVERY:
547f9a21 2523 mptsas_send_discovery_event(ioc,
e6b2d76a
ME
2524 (EVENT_DATA_SAS_DISCOVERY *)reply->Data);
2525 break;
9a28f49a 2526 default:
c73787ee
ME
2527 rc = mptscsih_event_process(ioc, reply);
2528 break;
9a28f49a 2529 }
c73787ee
ME
2530 out:
2531
2532 return rc;
9a28f49a
CH
2533}
2534
0c33b27d
CH
2535static int
2536mptsas_probe(struct pci_dev *pdev, const struct pci_device_id *id)
2537{
2538 struct Scsi_Host *sh;
2539 MPT_SCSI_HOST *hd;
2540 MPT_ADAPTER *ioc;
2541 unsigned long flags;
1ca00bb7 2542 int ii;
0c33b27d
CH
2543 int numSGE = 0;
2544 int scale;
2545 int ioc_cap;
0c33b27d
CH
2546 int error=0;
2547 int r;
2548
2549 r = mpt_attach(pdev,id);
2550 if (r)
2551 return r;
2552
2553 ioc = pci_get_drvdata(pdev);
2554 ioc->DoneCtx = mptsasDoneCtx;
2555 ioc->TaskCtx = mptsasTaskCtx;
2556 ioc->InternalCtx = mptsasInternalCtx;
2557
2558 /* Added sanity check on readiness of the MPT adapter.
2559 */
2560 if (ioc->last_state != MPI_IOC_STATE_OPERATIONAL) {
2561 printk(MYIOC_s_WARN_FMT
2562 "Skipping because it's not operational!\n",
2563 ioc->name);
7acec1e7
MED
2564 error = -ENODEV;
2565 goto out_mptsas_probe;
0c33b27d
CH
2566 }
2567
2568 if (!ioc->active) {
2569 printk(MYIOC_s_WARN_FMT "Skipping because it's disabled!\n",
2570 ioc->name);
7acec1e7
MED
2571 error = -ENODEV;
2572 goto out_mptsas_probe;
0c33b27d
CH
2573 }
2574
2575 /* Sanity check - ensure at least 1 port is INITIATOR capable
2576 */
2577 ioc_cap = 0;
2578 for (ii = 0; ii < ioc->facts.NumberOfPorts; ii++) {
2579 if (ioc->pfacts[ii].ProtocolFlags &
2580 MPI_PORTFACTS_PROTOCOL_INITIATOR)
2581 ioc_cap++;
2582 }
2583
2584 if (!ioc_cap) {
2585 printk(MYIOC_s_WARN_FMT
2586 "Skipping ioc=%p because SCSI Initiator mode "
2587 "is NOT enabled!\n", ioc->name, ioc);
466544d8 2588 return 0;
0c33b27d
CH
2589 }
2590
2591 sh = scsi_host_alloc(&mptsas_driver_template, sizeof(MPT_SCSI_HOST));
2592 if (!sh) {
2593 printk(MYIOC_s_WARN_FMT
2594 "Unable to register controller with SCSI subsystem\n",
2595 ioc->name);
7acec1e7
MED
2596 error = -1;
2597 goto out_mptsas_probe;
0c33b27d
CH
2598 }
2599
2600 spin_lock_irqsave(&ioc->FreeQlock, flags);
2601
2602 /* Attach the SCSI Host to the IOC structure
2603 */
2604 ioc->sh = sh;
2605
2606 sh->io_port = 0;
2607 sh->n_io_port = 0;
2608 sh->irq = 0;
2609
2610 /* set 16 byte cdb's */
2611 sh->max_cmd_len = 16;
2612
2613 sh->max_id = ioc->pfacts->MaxDevices + 1;
2614
2615 sh->transportt = mptsas_transport_template;
2616
2617 sh->max_lun = MPT_LAST_LUN + 1;
2618 sh->max_channel = 0;
2619 sh->this_id = ioc->pfacts[0].PortSCSIID;
2620
2621 /* Required entry.
2622 */
2623 sh->unique_id = ioc->id;
2624
2625 INIT_LIST_HEAD(&ioc->sas_topology);
9a28f49a 2626 mutex_init(&ioc->sas_topology_mutex);
e6b2d76a 2627 mutex_init(&ioc->sas_discovery_mutex);
eeb846ce 2628 mutex_init(&ioc->sas_mgmt.mutex);
da4fa655 2629 init_completion(&ioc->sas_mgmt.done);
0c33b27d
CH
2630
2631 /* Verify that we won't exceed the maximum
2632 * number of chain buffers
2633 * We can optimize: ZZ = req_sz/sizeof(SGE)
2634 * For 32bit SGE's:
2635 * numSGE = 1 + (ZZ-1)*(maxChain -1) + ZZ
2636 * + (req_sz - 64)/sizeof(SGE)
2637 * A slightly different algorithm is required for
2638 * 64bit SGEs.
2639 */
2640 scale = ioc->req_sz/(sizeof(dma_addr_t) + sizeof(u32));
2641 if (sizeof(dma_addr_t) == sizeof(u64)) {
2642 numSGE = (scale - 1) *
2643 (ioc->facts.MaxChainDepth-1) + scale +
2644 (ioc->req_sz - 60) / (sizeof(dma_addr_t) +
2645 sizeof(u32));
2646 } else {
2647 numSGE = 1 + (scale - 1) *
2648 (ioc->facts.MaxChainDepth-1) + scale +
2649 (ioc->req_sz - 64) / (sizeof(dma_addr_t) +
2650 sizeof(u32));
2651 }
2652
2653 if (numSGE < sh->sg_tablesize) {
2654 /* Reset this value */
2655 dprintk((MYIOC_s_INFO_FMT
2656 "Resetting sg_tablesize to %d from %d\n",
2657 ioc->name, numSGE, sh->sg_tablesize));
2658 sh->sg_tablesize = numSGE;
2659 }
2660
2661 spin_unlock_irqrestore(&ioc->FreeQlock, flags);
2662
2663 hd = (MPT_SCSI_HOST *) sh->hostdata;
2664 hd->ioc = ioc;
2665
2666 /* SCSI needs scsi_cmnd lookup table!
2667 * (with size equal to req_depth*PtrSz!)
2668 */
1ca00bb7
CH
2669 hd->ScsiLookup = kcalloc(ioc->req_depth, sizeof(void *), GFP_ATOMIC);
2670 if (!hd->ScsiLookup) {
0c33b27d 2671 error = -ENOMEM;
7acec1e7 2672 goto out_mptsas_probe;
0c33b27d
CH
2673 }
2674
1ca00bb7
CH
2675 dprintk((MYIOC_s_INFO_FMT "ScsiLookup @ %p\n",
2676 ioc->name, hd->ScsiLookup));
0c33b27d
CH
2677
2678 /* Allocate memory for the device structures.
2679 * A non-Null pointer at an offset
2680 * indicates a device exists.
2681 * max_id = 1 + maximum id (hosts.h)
2682 */
1ca00bb7
CH
2683 hd->Targets = kcalloc(sh->max_id, sizeof(void *), GFP_ATOMIC);
2684 if (!hd->Targets) {
0c33b27d 2685 error = -ENOMEM;
7acec1e7 2686 goto out_mptsas_probe;
0c33b27d
CH
2687 }
2688
1ca00bb7 2689 dprintk((KERN_INFO " vtarget @ %p\n", hd->Targets));
0c33b27d
CH
2690
2691 /* Clear the TM flags
2692 */
2693 hd->tmPending = 0;
2694 hd->tmState = TM_STATE_NONE;
2695 hd->resetPending = 0;
2696 hd->abortSCpnt = NULL;
2697
2698 /* Clear the pointer used to store
2699 * single-threaded commands, i.e., those
2700 * issued during a bus scan, dv and
2701 * configuration pages.
2702 */
2703 hd->cmdPtr = NULL;
2704
2705 /* Initialize this SCSI Hosts' timers
2706 * To use, set the timer expires field
2707 * and add_timer
2708 */
2709 init_timer(&hd->timer);
2710 hd->timer.data = (unsigned long) hd;
2711 hd->timer.function = mptscsih_timer_expired;
2712
0c33b27d
CH
2713 ioc->sas_data.ptClear = mpt_pt_clear;
2714
2715 if (ioc->sas_data.ptClear==1) {
2716 mptbase_sas_persist_operation(
2717 ioc, MPI_SAS_OP_CLEAR_ALL_PERSISTENT);
2718 }
2719
0c33b27d
CH
2720 init_waitqueue_head(&hd->scandv_waitq);
2721 hd->scandv_wait_done = 0;
2722 hd->last_queue_full = 0;
2723
2724 error = scsi_add_host(sh, &ioc->pcidev->dev);
2725 if (error) {
2726 dprintk((KERN_ERR MYNAM
2727 "scsi_add_host failed\n"));
7acec1e7 2728 goto out_mptsas_probe;
0c33b27d
CH
2729 }
2730
2731 mptsas_scan_sas_topology(ioc);
2732
2733 return 0;
2734
547f9a21 2735 out_mptsas_probe:
0c33b27d
CH
2736
2737 mptscsih_remove(pdev);
2738 return error;
2739}
2740
2741static void __devexit mptsas_remove(struct pci_dev *pdev)
2742{
2743 MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
2744 struct mptsas_portinfo *p, *n;
547f9a21 2745 int i;
0c33b27d 2746
e6b2d76a 2747 ioc->sas_discovery_ignore_events=1;
0c33b27d
CH
2748 sas_remove_host(ioc->sh);
2749
9a28f49a 2750 mutex_lock(&ioc->sas_topology_mutex);
0c33b27d
CH
2751 list_for_each_entry_safe(p, n, &ioc->sas_topology, list) {
2752 list_del(&p->list);
547f9a21
EM
2753 for (i = 0 ; i < p->num_phys ; i++)
2754 mptsas_port_delete(p->phy_info[i].port_details);
2755 kfree(p->phy_info);
0c33b27d
CH
2756 kfree(p);
2757 }
9a28f49a 2758 mutex_unlock(&ioc->sas_topology_mutex);
0c33b27d
CH
2759
2760 mptscsih_remove(pdev);
2761}
2762
2763static struct pci_device_id mptsas_pci_table[] = {
87cf8986 2764 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVID_SAS1064,
0c33b27d 2765 PCI_ANY_ID, PCI_ANY_ID },
87cf8986 2766 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVID_SAS1068,
0c33b27d 2767 PCI_ANY_ID, PCI_ANY_ID },
87cf8986 2768 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVID_SAS1064E,
0c33b27d 2769 PCI_ANY_ID, PCI_ANY_ID },
87cf8986 2770 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVID_SAS1068E,
0c33b27d 2771 PCI_ANY_ID, PCI_ANY_ID },
87cf8986 2772 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVID_SAS1078,
0c33b27d
CH
2773 PCI_ANY_ID, PCI_ANY_ID },
2774 {0} /* Terminating entry */
2775};
2776MODULE_DEVICE_TABLE(pci, mptsas_pci_table);
2777
2778
2779static struct pci_driver mptsas_driver = {
2780 .name = "mptsas",
2781 .id_table = mptsas_pci_table,
2782 .probe = mptsas_probe,
2783 .remove = __devexit_p(mptsas_remove),
2784 .shutdown = mptscsih_shutdown,
2785#ifdef CONFIG_PM
2786 .suspend = mptscsih_suspend,
2787 .resume = mptscsih_resume,
2788#endif
2789};
2790
2791static int __init
2792mptsas_init(void)
2793{
2794 show_mptmod_ver(my_NAME, my_VERSION);
2795
2796 mptsas_transport_template =
2797 sas_attach_transport(&mptsas_transport_functions);
2798 if (!mptsas_transport_template)
2799 return -ENODEV;
2800
2801 mptsasDoneCtx = mpt_register(mptscsih_io_done, MPTSAS_DRIVER);
2802 mptsasTaskCtx = mpt_register(mptscsih_taskmgmt_complete, MPTSAS_DRIVER);
2803 mptsasInternalCtx =
2804 mpt_register(mptscsih_scandv_complete, MPTSAS_DRIVER);
da4fa655 2805 mptsasMgmtCtx = mpt_register(mptsas_mgmt_done, MPTSAS_DRIVER);
0c33b27d 2806
9a28f49a 2807 if (mpt_event_register(mptsasDoneCtx, mptsas_event_process) == 0) {
3a892bef 2808 devtverboseprintk((KERN_INFO MYNAM
0c33b27d
CH
2809 ": Registered for IOC event notifications\n"));
2810 }
2811
2812 if (mpt_reset_register(mptsasDoneCtx, mptscsih_ioc_reset) == 0) {
2813 dprintk((KERN_INFO MYNAM
2814 ": Registered for IOC reset notifications\n"));
2815 }
2816
2817 return pci_register_driver(&mptsas_driver);
2818}
2819
2820static void __exit
2821mptsas_exit(void)
2822{
2823 pci_unregister_driver(&mptsas_driver);
2824 sas_release_transport(mptsas_transport_template);
2825
2826 mpt_reset_deregister(mptsasDoneCtx);
2827 mpt_event_deregister(mptsasDoneCtx);
2828
da4fa655 2829 mpt_deregister(mptsasMgmtCtx);
0c33b27d
CH
2830 mpt_deregister(mptsasInternalCtx);
2831 mpt_deregister(mptsasTaskCtx);
2832 mpt_deregister(mptsasDoneCtx);
2833}
2834
2835module_init(mptsas_init);
2836module_exit(mptsas_exit);
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