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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>
This commit is contained in:
Sreekanth Reddy 2015-11-11 17:30:19 +05:30 committed by Martin K. Petersen
parent 8a7e4c24e0
commit 7497392a11
5 changed files with 261 additions and 159 deletions
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3
drivers/scsi/mpt3sas/Makefile
View File

@ -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

4
drivers/scsi/mpt3sas/mpt3sas_base.h
View File

@ -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,

21
drivers/scsi/mpt3sas/mpt3sas_ctl.c
View File

@ -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);
}

252
drivers/scsi/mpt3sas/mpt3sas_module.c Normal file
View File

@ -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);

140
drivers/scsi/mpt3sas/mpt3sas_scsih.c
View File

@ -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);