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authorSreekanth Reddy <sreekanth.reddy@avagotech.com>2015-11-11 17:30:19 +0530
committerMartin K. Petersen <martin.petersen@oracle.com>2015-11-11 18:20:02 -0500
commit7497392a1193ea5b32d8a8a2b8d77888e7fe8221 (patch)
treec8674fc015b249d1495c4bd8b058b95b2fac5702
parent8a7e4c24e08fceb94887eb6d8123d6059dc5ddcd (diff)
mpt3sas: Move Gen3 HBA's device registration to a separate file
Created a mpt3sas_module.c file for mpt3sas driver where it can register SAS3 HBA devices with PCI, SML, IOCTL subsystems. Also removed the corresponding interfaces from mpt3sas_scsih.c file. Signed-off-by: Sreekanth Reddy <Sreekanth.Reddy@avagotech.com> Acked-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
-rw-r--r--drivers/scsi/mpt3sas/Makefile3
-rw-r--r--drivers/scsi/mpt3sas/mpt3sas_base.h4
-rw-r--r--drivers/scsi/mpt3sas/mpt3sas_ctl.c21
-rw-r--r--drivers/scsi/mpt3sas/mpt3sas_module.c252
-rw-r--r--drivers/scsi/mpt3sas/mpt3sas_scsih.c140
5 files changed, 261 insertions, 159 deletions
diff --git a/drivers/scsi/mpt3sas/Makefile b/drivers/scsi/mpt3sas/Makefile
index efb0c4c2e310..188057f69a92 100644
--- a/drivers/scsi/mpt3sas/Makefile
+++ b/drivers/scsi/mpt3sas/Makefile
@@ -5,4 +5,5 @@ mpt3sas-y += mpt3sas_base.o \
mpt3sas_scsih.o \
mpt3sas_transport.o \
mpt3sas_ctl.o \
- mpt3sas_trigger_diag.o
+ mpt3sas_trigger_diag.o \
+ mpt3sas_module.o
diff --git a/drivers/scsi/mpt3sas/mpt3sas_base.h b/drivers/scsi/mpt3sas/mpt3sas_base.h
index 699cf720b51b..0f86729fcf25 100644
--- a/drivers/scsi/mpt3sas/mpt3sas_base.h
+++ b/drivers/scsi/mpt3sas/mpt3sas_base.h
@@ -1084,6 +1084,7 @@ int mpt3sas_port_enable(struct MPT3SAS_ADAPTER *ioc);
/* scsih shared API */
+extern struct raid_template *mpt3sas_raid_template;
u8 mpt3sas_scsih_event_callback(struct MPT3SAS_ADAPTER *ioc, u8 msix_index,
u32 reply);
void mpt3sas_scsih_reset_handler(struct MPT3SAS_ADAPTER *ioc, int reset_phase);
@@ -1108,7 +1109,7 @@ void mpt3sas_port_enable_complete(struct MPT3SAS_ADAPTER *ioc);
void scsih_exit(void);
int scsih_init(void);
-int scsih_probe(struct pci_dev *pdev, const struct pci_device_id *id);
+int scsih_probe(struct pci_dev *pdev, struct Scsi_Host *shost);
void scsih_remove(struct pci_dev *pdev);
void scsih_shutdown(struct pci_dev *pdev);
pci_ers_result_t scsih_pci_error_detected(struct pci_dev *pdev,
@@ -1241,6 +1242,7 @@ int mpt3sas_send_diag_release(struct MPT3SAS_ADAPTER *ioc, u8 buffer_type,
u8 *issue_reset);
/* transport shared API */
+extern struct scsi_transport_template *mpt3sas_transport_template;
u8 mpt3sas_transport_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
u32 reply);
struct _sas_port *mpt3sas_transport_port_add(struct MPT3SAS_ADAPTER *ioc,
diff --git a/drivers/scsi/mpt3sas/mpt3sas_ctl.c b/drivers/scsi/mpt3sas/mpt3sas_ctl.c
index e72a16c02eaf..ffe79829de30 100644
--- a/drivers/scsi/mpt3sas/mpt3sas_ctl.c
+++ b/drivers/scsi/mpt3sas/mpt3sas_ctl.c
@@ -3218,22 +3218,6 @@ struct device_attribute *mpt3sas_dev_attrs[] = {
NULL,
};
-static const struct file_operations ctl_fops = {
- .owner = THIS_MODULE,
- .unlocked_ioctl = ctl_ioctl,
- .poll = ctl_poll,
- .fasync = ctl_fasync,
-#ifdef CONFIG_COMPAT
- .compat_ioctl = ctl_ioctl_compat,
-#endif
-};
-
-static struct miscdevice ctl_dev = {
- .minor = MPT3SAS_MINOR,
- .name = MPT3SAS_DEV_NAME,
- .fops = &ctl_fops,
-};
-
/**
* ctl_init - main entry point for ctl.
*
@@ -3242,10 +3226,6 @@ void
ctl_init(void)
{
async_queue = NULL;
- if (misc_register(&ctl_dev) < 0)
- pr_err("%s can't register misc device [minor=%d]\n",
- MPT3SAS_DRIVER_NAME, MPT3SAS_MINOR);
-
init_waitqueue_head(&ctl_poll_wait);
}
@@ -3279,5 +3259,4 @@ ctl_exit(void)
kfree(ioc->event_log);
}
- misc_deregister(&ctl_dev);
}
diff --git a/drivers/scsi/mpt3sas/mpt3sas_module.c b/drivers/scsi/mpt3sas/mpt3sas_module.c
new file mode 100644
index 000000000000..e5f43ba04c4b
--- /dev/null
+++ b/drivers/scsi/mpt3sas/mpt3sas_module.c
@@ -0,0 +1,252 @@
+/*
+ * Scsi Host Layer for MPT (Message Passing Technology) based controllers
+ *
+ * Copyright (C) 2012-2014 LSI Corporation
+ * Copyright (C) 2013-2015 Avago Technologies
+ * (mailto: MPT-FusionLinux.pdl@avagotech.com)
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * NO WARRANTY
+ * THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
+ * CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT
+ * LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
+ * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is
+ * solely responsible for determining the appropriateness of using and
+ * distributing the Program and assumes all risks associated with its
+ * exercise of rights under this Agreement, including but not limited to
+ * the risks and costs of program errors, damage to or loss of data,
+ * programs or equipment, and unavailability or interruption of operations.
+
+ * DISCLAIMER OF LIABILITY
+ * NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
+ * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
+ * USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED
+ * HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES
+
+ * You should have received a copy of the GNU General Public License
+ * along with this program.
+ */
+
+#include <linux/module.h>
+#include <linux/pci.h>
+#include <linux/raid_class.h>
+
+#include "mpt3sas_base.h"
+#include "mpt3sas_ctl.h"
+
+MODULE_AUTHOR(MPT3SAS_AUTHOR);
+MODULE_DESCRIPTION(MPT3SAS_DESCRIPTION);
+MODULE_LICENSE("GPL");
+MODULE_VERSION(MPT3SAS_DRIVER_VERSION);
+
+/* shost template */
+static struct scsi_host_template mpt3sas_driver_template = {
+ .module = THIS_MODULE,
+ .name = "Fusion MPT SAS Host",
+ .proc_name = MPT3SAS_DRIVER_NAME,
+ .queuecommand = scsih_qcmd,
+ .target_alloc = scsih_target_alloc,
+ .slave_alloc = scsih_slave_alloc,
+ .slave_configure = scsih_slave_configure,
+ .target_destroy = scsih_target_destroy,
+ .slave_destroy = scsih_slave_destroy,
+ .scan_finished = scsih_scan_finished,
+ .scan_start = scsih_scan_start,
+ .change_queue_depth = scsih_change_queue_depth,
+ .eh_abort_handler = scsih_abort,
+ .eh_device_reset_handler = scsih_dev_reset,
+ .eh_target_reset_handler = scsih_target_reset,
+ .eh_host_reset_handler = scsih_host_reset,
+ .bios_param = scsih_bios_param,
+ .can_queue = 1,
+ .this_id = -1,
+ .sg_tablesize = MPT3SAS_SG_DEPTH,
+ .max_sectors = 32767,
+ .cmd_per_lun = 7,
+ .use_clustering = ENABLE_CLUSTERING,
+ .shost_attrs = mpt3sas_host_attrs,
+ .sdev_attrs = mpt3sas_dev_attrs,
+ .track_queue_depth = 1,
+};
+
+/* raid transport support */
+static struct raid_function_template mpt3sas_raid_functions = {
+ .cookie = &mpt3sas_driver_template,
+ .is_raid = scsih_is_raid,
+ .get_resync = scsih_get_resync,
+ .get_state = scsih_get_state,
+};
+
+/*
+ * The pci device ids are defined in mpi/mpi2_cnfg.h.
+ */
+static const struct pci_device_id mpt3sas_pci_table[] = {
+ { MPI2_MFGPAGE_VENDORID_LSI, MPI25_MFGPAGE_DEVID_SAS3004,
+ PCI_ANY_ID, PCI_ANY_ID },
+ { MPI2_MFGPAGE_VENDORID_LSI, MPI25_MFGPAGE_DEVID_SAS3008,
+ PCI_ANY_ID, PCI_ANY_ID },
+ /* Invader ~ 3108 */
+ { MPI2_MFGPAGE_VENDORID_LSI, MPI25_MFGPAGE_DEVID_SAS3108_1,
+ PCI_ANY_ID, PCI_ANY_ID },
+ { MPI2_MFGPAGE_VENDORID_LSI, MPI25_MFGPAGE_DEVID_SAS3108_2,
+ PCI_ANY_ID, PCI_ANY_ID },
+ { MPI2_MFGPAGE_VENDORID_LSI, MPI25_MFGPAGE_DEVID_SAS3108_5,
+ PCI_ANY_ID, PCI_ANY_ID },
+ { MPI2_MFGPAGE_VENDORID_LSI, MPI25_MFGPAGE_DEVID_SAS3108_6,
+ PCI_ANY_ID, PCI_ANY_ID },
+ {0} /* Terminating entry */
+};
+MODULE_DEVICE_TABLE(pci, mpt3sas_pci_table);
+
+static const struct file_operations mpt3sas_ctl_fops = {
+ .owner = THIS_MODULE,
+ .unlocked_ioctl = ctl_ioctl,
+ .poll = ctl_poll,
+ .fasync = ctl_fasync,
+#ifdef CONFIG_COMPAT
+ .compat_ioctl = ctl_ioctl_compat,
+#endif
+};
+
+static struct miscdevice mpt3sas_ctl_dev = {
+ .minor = MPT3SAS_MINOR,
+ .name = MPT3SAS_DEV_NAME,
+ .fops = &mpt3sas_ctl_fops,
+};
+
+/**
+ * mpt3sas_ctl_init - main entry point for ctl.
+ *
+ */
+void
+mpt3sas_ctl_init(void)
+{
+ ctl_init();
+ if (misc_register(&mpt3sas_ctl_dev) < 0)
+ pr_err("%s can't register misc device [minor=%d]\n",
+ MPT3SAS_DRIVER_NAME, MPT3SAS_MINOR);
+}
+
+/**
+ * mpt3sas_ctl_exit - exit point for ctl
+ *
+ */
+void
+mpt3sas_ctl_exit(void)
+{
+ ctl_exit();
+ misc_deregister(&mpt3sas_ctl_dev);
+}
+
+/**
+ * _mpt3sas_probe - attach and add scsi host
+ * @pdev: PCI device struct
+ * @id: pci device id
+ *
+ * Returns 0 success, anything else error.
+ */
+static int
+_mpt3sas_probe(struct pci_dev *pdev, const struct pci_device_id *id)
+{
+ struct Scsi_Host *shost;
+ int rv;
+
+ shost = scsi_host_alloc(&mpt3sas_driver_template,
+ sizeof(struct MPT3SAS_ADAPTER));
+ if (!shost)
+ return -ENODEV;
+
+ rv = scsih_probe(pdev, shost);
+ return rv;
+}
+
+static struct pci_error_handlers _mpt3sas_err_handler = {
+ .error_detected = scsih_pci_error_detected,
+ .mmio_enabled = scsih_pci_mmio_enabled,
+ .slot_reset = scsih_pci_slot_reset,
+ .resume = scsih_pci_resume,
+};
+
+static struct pci_driver mpt3sas_driver = {
+ .name = MPT3SAS_DRIVER_NAME,
+ .id_table = mpt3sas_pci_table,
+ .probe = _mpt3sas_probe,
+ .remove = scsih_remove,
+ .shutdown = scsih_shutdown,
+ .err_handler = &_mpt3sas_err_handler,
+#ifdef CONFIG_PM
+ .suspend = scsih_suspend,
+ .resume = scsih_resume,
+#endif
+};
+
+/**
+ * _mpt3sas_init - main entry point for this driver.
+ *
+ * Returns 0 success, anything else error.
+ */
+static int __init
+_mpt3sas_init(void)
+{
+ int error;
+
+ pr_info("%s version %s loaded\n", MPT3SAS_DRIVER_NAME,
+ MPT3SAS_DRIVER_VERSION);
+
+ mpt3sas_transport_template =
+ sas_attach_transport(&mpt3sas_transport_functions);
+ if (!mpt3sas_transport_template)
+ return -ENODEV;
+
+ mpt3sas_raid_template = raid_class_attach(&mpt3sas_raid_functions);
+ if (!mpt3sas_raid_template) {
+ sas_release_transport(mpt3sas_transport_template);
+ return -ENODEV;
+ }
+
+ error = scsih_init();
+ if (error) {
+ scsih_exit();
+ return error;
+ }
+
+ mpt3sas_ctl_init();
+
+ error = pci_register_driver(&mpt3sas_driver);
+ if (error)
+ scsih_exit();
+
+ return error;
+}
+
+/**
+ * _mpt3sas_exit - exit point for this driver (when it is a module).
+ *
+ */
+static void __exit
+_mpt3sas_exit(void)
+{
+ pr_info("mpt3sas version %s unloading\n",
+ MPT3SAS_DRIVER_VERSION);
+
+ pci_unregister_driver(&mpt3sas_driver);
+
+ mpt3sas_ctl_exit();
+
+ scsih_exit();
+}
+
+module_init(_mpt3sas_init);
+module_exit(_mpt3sas_exit);
diff --git a/drivers/scsi/mpt3sas/mpt3sas_scsih.c b/drivers/scsi/mpt3sas/mpt3sas_scsih.c
index 3353b487ab70..56726a0b37fb 100644
--- a/drivers/scsi/mpt3sas/mpt3sas_scsih.c
+++ b/drivers/scsi/mpt3sas/mpt3sas_scsih.c
@@ -57,11 +57,6 @@
#include "mpt3sas_base.h"
-MODULE_AUTHOR(MPT3SAS_AUTHOR);
-MODULE_DESCRIPTION(MPT3SAS_DESCRIPTION);
-MODULE_LICENSE("GPL");
-MODULE_VERSION(MPT3SAS_DRIVER_VERSION);
-
#define RAID_CHANNEL 1
/* forward proto's */
static void _scsih_expander_node_remove(struct MPT3SAS_ADAPTER *ioc,
@@ -141,8 +136,7 @@ MODULE_PARM_DESC(prot_mask, " host protection capabilities mask, def=7 ");
/* raid transport support */
-
-static struct raid_template *mpt3sas_raid_template;
+struct raid_template *mpt3sas_raid_template;
/**
@@ -192,9 +186,6 @@ struct fw_event_work {
char event_data[0] __aligned(4);
};
-/* raid transport support */
-static struct raid_template *mpt3sas_raid_template;
-
/**
* struct _scsi_io_transfer - scsi io transfer
* @handle: sas device handle (assigned by firmware)
@@ -243,28 +234,6 @@ struct _scsi_io_transfer {
u32 transfer_length;
};
-/*
- * The pci device ids are defined in mpi/mpi2_cnfg.h.
- */
-static const struct pci_device_id scsih_pci_table[] = {
- /* Fury ~ 3004 and 3008 */
- { MPI2_MFGPAGE_VENDORID_LSI, MPI25_MFGPAGE_DEVID_SAS3004,
- PCI_ANY_ID, PCI_ANY_ID },
- { MPI2_MFGPAGE_VENDORID_LSI, MPI25_MFGPAGE_DEVID_SAS3008,
- PCI_ANY_ID, PCI_ANY_ID },
- /* Invader ~ 3108 */
- { MPI2_MFGPAGE_VENDORID_LSI, MPI25_MFGPAGE_DEVID_SAS3108_1,
- PCI_ANY_ID, PCI_ANY_ID },
- { MPI2_MFGPAGE_VENDORID_LSI, MPI25_MFGPAGE_DEVID_SAS3108_2,
- PCI_ANY_ID, PCI_ANY_ID },
- { MPI2_MFGPAGE_VENDORID_LSI, MPI25_MFGPAGE_DEVID_SAS3108_5,
- PCI_ANY_ID, PCI_ANY_ID },
- { MPI2_MFGPAGE_VENDORID_LSI, MPI25_MFGPAGE_DEVID_SAS3108_6,
- PCI_ANY_ID, PCI_ANY_ID },
- {0} /* Terminating entry */
-};
-MODULE_DEVICE_TABLE(pci, scsih_pci_table);
-
/**
* _scsih_set_debug_level - global setting of ioc->logging_level.
*
@@ -7486,36 +7455,6 @@ mpt3sas_scsih_event_callback(struct MPT3SAS_ADAPTER *ioc, u8 msix_index,
return 1;
}
-/* shost template */
-static struct scsi_host_template scsih_driver_template = {
- .module = THIS_MODULE,
- .name = "Fusion MPT SAS Host",
- .proc_name = MPT3SAS_DRIVER_NAME,
- .queuecommand = scsih_qcmd,
- .target_alloc = scsih_target_alloc,
- .slave_alloc = scsih_slave_alloc,
- .slave_configure = scsih_slave_configure,
- .target_destroy = scsih_target_destroy,
- .slave_destroy = scsih_slave_destroy,
- .scan_finished = scsih_scan_finished,
- .scan_start = scsih_scan_start,
- .change_queue_depth = scsih_change_queue_depth,
- .eh_abort_handler = scsih_abort,
- .eh_device_reset_handler = scsih_dev_reset,
- .eh_target_reset_handler = scsih_target_reset,
- .eh_host_reset_handler = scsih_host_reset,
- .bios_param = scsih_bios_param,
- .can_queue = 1,
- .this_id = -1,
- .sg_tablesize = MPT3SAS_SG_DEPTH,
- .max_sectors = 32767,
- .cmd_per_lun = 7,
- .use_clustering = ENABLE_CLUSTERING,
- .shost_attrs = mpt3sas_host_attrs,
- .sdev_attrs = mpt3sas_dev_attrs,
- .track_queue_depth = 1,
-};
-
/**
* _scsih_expander_node_remove - removing expander device from list.
* @ioc: per adapter object
@@ -7993,17 +7932,11 @@ scsih_scan_finished(struct Scsi_Host *shost, unsigned long time)
* Returns 0 success, anything else error.
*/
int
-scsih_probe(struct pci_dev *pdev, const struct pci_device_id *id)
+scsih_probe(struct pci_dev *pdev, struct Scsi_Host *shost)
{
struct MPT3SAS_ADAPTER *ioc;
- struct Scsi_Host *shost;
int rv;
- shost = scsi_host_alloc(&scsih_driver_template,
- sizeof(struct MPT3SAS_ADAPTER));
- if (!shost)
- return -ENODEV;
-
/* init local params */
ioc = shost_priv(shost);
memset(ioc, 0, sizeof(struct MPT3SAS_ADAPTER));
@@ -8298,35 +8231,6 @@ scsih_pci_mmio_enabled(struct pci_dev *pdev)
return PCI_ERS_RESULT_NEED_RESET;
}
-/* raid transport support */
-static struct raid_function_template mpt3sas_raid_functions = {
- .cookie = &scsih_driver_template,
- .is_raid = scsih_is_raid,
- .get_resync = scsih_get_resync,
- .get_state = scsih_get_state,
-};
-
-static struct pci_error_handlers _scsih_err_handler = {
- .error_detected = scsih_pci_error_detected,
- .mmio_enabled = scsih_pci_mmio_enabled,
- .slot_reset = scsih_pci_slot_reset,
- .resume = scsih_pci_resume,
-};
-
-static struct pci_driver scsih_driver = {
- .name = MPT3SAS_DRIVER_NAME,
- .id_table = scsih_pci_table,
- .probe = scsih_probe,
- .remove = scsih_remove,
- .shutdown = scsih_shutdown,
- .err_handler = &_scsih_err_handler,
-#ifdef CONFIG_PM
- .suspend = scsih_suspend,
- .resume = scsih_resume,
-#endif
-};
-
-
/**
* scsih_init - main entry point for this driver.
*
@@ -8335,25 +8239,8 @@ static struct pci_driver scsih_driver = {
int
scsih_init(void)
{
- int error;
-
mpt_ids = 0;
- pr_info("%s version %s loaded\n", MPT3SAS_DRIVER_NAME,
- MPT3SAS_DRIVER_VERSION);
-
- mpt3sas_transport_template =
- sas_attach_transport(&mpt3sas_transport_functions);
- if (!mpt3sas_transport_template)
- return -ENODEV;
-
-/* raid transport support */
- mpt3sas_raid_template = raid_class_attach(&mpt3sas_raid_functions);
- if (!mpt3sas_raid_template) {
- sas_release_transport(mpt3sas_transport_template);
- return -ENODEV;
- }
-
mpt3sas_base_initialize_callback_handler();
/* queuecommand callback hander */
@@ -8390,33 +8277,17 @@ scsih_init(void)
tm_sas_control_cb_idx = mpt3sas_base_register_callback_handler(
_scsih_sas_control_complete);
- ctl_init();
-
- error = pci_register_driver(&scsih_driver);
- if (error) {
- /* raid transport support */
- raid_class_release(mpt3sas_raid_template);
- sas_release_transport(mpt3sas_transport_template);
- }
-
- return error;
+ return 0;
}
/**
- * _scsih_exit - exit point for this driver (when it is a module).
+ * scsih_exit - exit point for this driver (when it is a module).
*
* Returns 0 success, anything else error.
*/
void
scsih_exit(void)
{
- pr_info("mpt3sas version %s unloading\n",
- MPT3SAS_DRIVER_VERSION);
-
- ctl_exit();
-
- pci_unregister_driver(&scsih_driver);
-
mpt3sas_base_release_callback_handler(scsi_io_cb_idx);
mpt3sas_base_release_callback_handler(tm_cb_idx);
@@ -8435,6 +8306,3 @@ scsih_exit(void)
raid_class_release(mpt3sas_raid_template);
sas_release_transport(mpt3sas_transport_template);
}
-
-module_init(scsih_init);
-module_exit(scsih_exit);

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