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-rw-r--r--drivers/scsi/pmcraid.c34
-rw-r--r--drivers/scsi/pmcraid.h5
2 files changed, 29 insertions, 10 deletions
diff --git a/drivers/scsi/pmcraid.c b/drivers/scsi/pmcraid.c
index 34c6b896a91b..e7d2688fbeba 100644
--- a/drivers/scsi/pmcraid.c
+++ b/drivers/scsi/pmcraid.c
@@ -1,7 +1,8 @@
1/* 1/*
2 * pmcraid.c -- driver for PMC Sierra MaxRAID controller adapters 2 * pmcraid.c -- driver for PMC Sierra MaxRAID controller adapters
3 * 3 *
4 * Written By: PMC Sierra Corporation 4 * Written By: Anil Ravindranath<anil_ravindranath@pmc-sierra.com>
5 * PMC-Sierra Inc
5 * 6 *
6 * Copyright (C) 2008, 2009 PMC Sierra Inc 7 * Copyright (C) 2008, 2009 PMC Sierra Inc
7 * 8 *
@@ -79,7 +80,7 @@ DECLARE_BITMAP(pmcraid_minor, PMCRAID_MAX_ADAPTERS);
79/* 80/*
80 * Module parameters 81 * Module parameters
81 */ 82 */
82MODULE_AUTHOR("PMC Sierra Corporation, anil_ravindranath@pmc-sierra.com"); 83MODULE_AUTHOR("Anil Ravindranath<anil_ravindranath@pmc-sierra.com>");
83MODULE_DESCRIPTION("PMC Sierra MaxRAID Controller Driver"); 84MODULE_DESCRIPTION("PMC Sierra MaxRAID Controller Driver");
84MODULE_LICENSE("GPL"); 85MODULE_LICENSE("GPL");
85MODULE_VERSION(PMCRAID_DRIVER_VERSION); 86MODULE_VERSION(PMCRAID_DRIVER_VERSION);
@@ -162,10 +163,10 @@ static int pmcraid_slave_alloc(struct scsi_device *scsi_dev)
162 spin_lock_irqsave(&pinstance->resource_lock, lock_flags); 163 spin_lock_irqsave(&pinstance->resource_lock, lock_flags);
163 list_for_each_entry(temp, &pinstance->used_res_q, queue) { 164 list_for_each_entry(temp, &pinstance->used_res_q, queue) {
164 165
165 /* do not expose VSETs with order-ids >= 240 */ 166 /* do not expose VSETs with order-ids > MAX_VSET_TARGETS */
166 if (RES_IS_VSET(temp->cfg_entry)) { 167 if (RES_IS_VSET(temp->cfg_entry)) {
167 target = temp->cfg_entry.unique_flags1; 168 target = temp->cfg_entry.unique_flags1;
168 if (target >= PMCRAID_MAX_VSET_TARGETS) 169 if (target > PMCRAID_MAX_VSET_TARGETS)
169 continue; 170 continue;
170 bus = PMCRAID_VSET_BUS_ID; 171 bus = PMCRAID_VSET_BUS_ID;
171 lun = 0; 172 lun = 0;
@@ -1210,7 +1211,7 @@ static int pmcraid_expose_resource(struct pmcraid_config_table_entry *cfgte)
1210 int retval = 0; 1211 int retval = 0;
1211 1212
1212 if (cfgte->resource_type == RES_TYPE_VSET) 1213 if (cfgte->resource_type == RES_TYPE_VSET)
1213 retval = ((cfgte->unique_flags1 & 0xFF) < 0xFE); 1214 retval = ((cfgte->unique_flags1 & 0x80) == 0);
1214 else if (cfgte->resource_type == RES_TYPE_GSCSI) 1215 else if (cfgte->resource_type == RES_TYPE_GSCSI)
1215 retval = (RES_BUS(cfgte->resource_address) != 1216 retval = (RES_BUS(cfgte->resource_address) !=
1216 PMCRAID_VIRTUAL_ENCL_BUS_ID); 1217 PMCRAID_VIRTUAL_ENCL_BUS_ID);
@@ -1361,6 +1362,7 @@ static int pmcraid_notify_aen(struct pmcraid_instance *pinstance, u8 type)
1361 * Return value: 1362 * Return value:
1362 * none 1363 * none
1363 */ 1364 */
1365
1364static void pmcraid_handle_config_change(struct pmcraid_instance *pinstance) 1366static void pmcraid_handle_config_change(struct pmcraid_instance *pinstance)
1365{ 1367{
1366 struct pmcraid_config_table_entry *cfg_entry; 1368 struct pmcraid_config_table_entry *cfg_entry;
@@ -1368,9 +1370,10 @@ static void pmcraid_handle_config_change(struct pmcraid_instance *pinstance)
1368 struct pmcraid_cmd *cmd; 1370 struct pmcraid_cmd *cmd;
1369 struct pmcraid_cmd *cfgcmd; 1371 struct pmcraid_cmd *cfgcmd;
1370 struct pmcraid_resource_entry *res = NULL; 1372 struct pmcraid_resource_entry *res = NULL;
1371 u32 new_entry = 1;
1372 unsigned long lock_flags; 1373 unsigned long lock_flags;
1373 unsigned long host_lock_flags; 1374 unsigned long host_lock_flags;
1375 u32 new_entry = 1;
1376 u32 hidden_entry = 0;
1374 int rc; 1377 int rc;
1375 1378
1376 ccn_hcam = (struct pmcraid_hcam_ccn *)pinstance->ccn.hcam; 1379 ccn_hcam = (struct pmcraid_hcam_ccn *)pinstance->ccn.hcam;
@@ -1406,9 +1409,15 @@ static void pmcraid_handle_config_change(struct pmcraid_instance *pinstance)
1406 } 1409 }
1407 1410
1408 /* If this resource is not going to be added to mid-layer, just notify 1411 /* If this resource is not going to be added to mid-layer, just notify
1409 * applications and return 1412 * applications and return. If this notification is about hiding a VSET
1413 * resource, check if it was exposed already.
1410 */ 1414 */
1411 if (!pmcraid_expose_resource(cfg_entry)) 1415 if (pinstance->ccn.hcam->notification_type ==
1416 NOTIFICATION_TYPE_ENTRY_CHANGED &&
1417 cfg_entry->resource_type == RES_TYPE_VSET &&
1418 cfg_entry->unique_flags1 & 0x80) {
1419 hidden_entry = 1;
1420 } else if (!pmcraid_expose_resource(cfg_entry))
1412 goto out_notify_apps; 1421 goto out_notify_apps;
1413 1422
1414 spin_lock_irqsave(&pinstance->resource_lock, lock_flags); 1423 spin_lock_irqsave(&pinstance->resource_lock, lock_flags);
@@ -1424,6 +1433,12 @@ static void pmcraid_handle_config_change(struct pmcraid_instance *pinstance)
1424 1433
1425 if (new_entry) { 1434 if (new_entry) {
1426 1435
1436 if (hidden_entry) {
1437 spin_unlock_irqrestore(&pinstance->resource_lock,
1438 lock_flags);
1439 goto out_notify_apps;
1440 }
1441
1427 /* If there are more number of resources than what driver can 1442 /* If there are more number of resources than what driver can
1428 * manage, do not notify the applications about the CCN. Just 1443 * manage, do not notify the applications about the CCN. Just
1429 * ignore this notifications and re-register the same HCAM 1444 * ignore this notifications and re-register the same HCAM
@@ -1454,8 +1469,9 @@ static void pmcraid_handle_config_change(struct pmcraid_instance *pinstance)
1454 sizeof(struct pmcraid_config_table_entry)); 1469 sizeof(struct pmcraid_config_table_entry));
1455 1470
1456 if (pinstance->ccn.hcam->notification_type == 1471 if (pinstance->ccn.hcam->notification_type ==
1457 NOTIFICATION_TYPE_ENTRY_DELETED) { 1472 NOTIFICATION_TYPE_ENTRY_DELETED || hidden_entry) {
1458 if (res->scsi_dev) { 1473 if (res->scsi_dev) {
1474 res->cfg_entry.unique_flags1 &= 0x7F;
1459 res->change_detected = RES_CHANGE_DEL; 1475 res->change_detected = RES_CHANGE_DEL;
1460 res->cfg_entry.resource_handle = 1476 res->cfg_entry.resource_handle =
1461 PMCRAID_INVALID_RES_HANDLE; 1477 PMCRAID_INVALID_RES_HANDLE;
diff --git a/drivers/scsi/pmcraid.h b/drivers/scsi/pmcraid.h
index 2752b56cad56..92f89d50850c 100644
--- a/drivers/scsi/pmcraid.h
+++ b/drivers/scsi/pmcraid.h
@@ -1,6 +1,9 @@
1/* 1/*
2 * pmcraid.h -- PMC Sierra MaxRAID controller driver header file 2 * pmcraid.h -- PMC Sierra MaxRAID controller driver header file
3 * 3 *
4 * Written By: Anil Ravindranath<anil_ravindranath@pmc-sierra.com>
5 * PMC-Sierra Inc
6 *
4 * Copyright (C) 2008, 2009 PMC Sierra Inc. 7 * Copyright (C) 2008, 2009 PMC Sierra Inc.
5 * 8 *
6 * This program is free software; you can redistribute it and/or modify 9 * This program is free software; you can redistribute it and/or modify
@@ -106,7 +109,7 @@
106#define PMCRAID_VSET_LUN_ID 0x0 109#define PMCRAID_VSET_LUN_ID 0x0
107#define PMCRAID_PHYS_BUS_ID 0x0 110#define PMCRAID_PHYS_BUS_ID 0x0
108#define PMCRAID_VIRTUAL_ENCL_BUS_ID 0x8 111#define PMCRAID_VIRTUAL_ENCL_BUS_ID 0x8
109#define PMCRAID_MAX_VSET_TARGETS 240 112#define PMCRAID_MAX_VSET_TARGETS 0x7F
110#define PMCRAID_MAX_VSET_LUNS_PER_TARGET 8 113#define PMCRAID_MAX_VSET_LUNS_PER_TARGET 8
111 114
112#define PMCRAID_IOA_MAX_SECTORS 32767 115#define PMCRAID_IOA_MAX_SECTORS 32767