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| author | Sreekanth Reddy <sreekanth.reddy@avagotech.com> | 2015-11-11 17:30:21 +0530 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2015-11-11 18:27:24 -0500 |
| commit | 09ec55ed74ebb8a61859609011d28ab0bcb15e08 (patch) | |
| tree | b5878777ace8a6b5a57ed8fb47412d70dbca2bc0 /drivers/scsi/mpt2sas/mpt2sas_scsih.c | |
| parent | 78f97c8f612d0e7d7d08d741549e89e8c951920a (diff) | |
| download | linux-09ec55ed74ebb8a61859609011d28ab0bcb15e08.tar.gz linux-09ec55ed74ebb8a61859609011d28ab0bcb15e08.tar.bz2 linux-09ec55ed74ebb8a61859609011d28ab0bcb15e08.zip | |
mpt2sas: Remove .c and .h files from mpt2sas driver
Remove .c and .h files which are no longer needed from mpt2sas
driver. We are reusing this code from mpt3sas.
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>
Diffstat (limited to 'drivers/scsi/mpt2sas/mpt2sas_scsih.c')
| -rw-r--r-- | drivers/scsi/mpt2sas/mpt2sas_scsih.c | 8855 |
1 files changed, 0 insertions, 8855 deletions
diff --git a/drivers/scsi/mpt2sas/mpt2sas_scsih.c b/drivers/scsi/mpt2sas/mpt2sas_scsih.c deleted file mode 100644 index 0ad09b2bff9c..000000000000 --- a/drivers/scsi/mpt2sas/mpt2sas_scsih.c +++ /dev/null @@ -1,8855 +0,0 @@ -/* - * Scsi Host Layer for MPT (Message Passing Technology) based controllers - * - * This code is based on drivers/scsi/mpt2sas/mpt2_scsih.c - * Copyright (C) 2007-2014 LSI Corporation - * Copyright (C) 20013-2014 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; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, - * USA. - */ - -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/errno.h> -#include <linux/blkdev.h> -#include <linux/sched.h> -#include <linux/workqueue.h> -#include <linux/delay.h> -#include <linux/pci.h> -#include <linux/interrupt.h> -#include <linux/aer.h> -#include <linux/raid_class.h> -#include <linux/slab.h> - -#include <asm/unaligned.h> - -#include "mpt2sas_base.h" - -MODULE_AUTHOR(MPT2SAS_AUTHOR); -MODULE_DESCRIPTION(MPT2SAS_DESCRIPTION); -MODULE_LICENSE("GPL"); -MODULE_VERSION(MPT2SAS_DRIVER_VERSION); - -#define RAID_CHANNEL 1 - -/* forward proto's */ -static void _scsih_expander_node_remove(struct MPT2SAS_ADAPTER *ioc, - struct _sas_node *sas_expander); -static void _firmware_event_work(struct work_struct *work); - -static u8 _scsih_check_for_pending_tm(struct MPT2SAS_ADAPTER *ioc, u16 smid); - -static void _scsih_scan_start(struct Scsi_Host *shost); -static int _scsih_scan_finished(struct Scsi_Host *shost, unsigned long time); - -/* global parameters */ -LIST_HEAD(mpt2sas_ioc_list); -/* global ioc lock for list operations */ -DEFINE_SPINLOCK(gioc_lock); -/* local parameters */ -static u8 scsi_io_cb_idx = -1; -static u8 tm_cb_idx = -1; -static u8 ctl_cb_idx = -1; -static u8 base_cb_idx = -1; -static u8 port_enable_cb_idx = -1; -static u8 transport_cb_idx = -1; -static u8 scsih_cb_idx = -1; -static u8 config_cb_idx = -1; -static int mpt_ids; - -static u8 tm_tr_cb_idx = -1 ; -static u8 tm_tr_volume_cb_idx = -1 ; -static u8 tm_sas_control_cb_idx = -1; - -/* command line options */ -static u32 logging_level; -MODULE_PARM_DESC(logging_level, " bits for enabling additional logging info " - "(default=0)"); - -static ushort max_sectors = 0xFFFF; -module_param(max_sectors, ushort, 0); -MODULE_PARM_DESC(max_sectors, "max sectors, range 64 to 32767 default=32767"); - -static int missing_delay[2] = {-1, -1}; -module_param_array(missing_delay, int, NULL, 0); -MODULE_PARM_DESC(missing_delay, " device missing delay , io missing delay"); - -/* scsi-mid layer global parmeter is max_report_luns, which is 511 */ -#define MPT2SAS_MAX_LUN (16895) -static int max_lun = MPT2SAS_MAX_LUN; -module_param(max_lun, int, 0); -MODULE_PARM_DESC(max_lun, " max lun, default=16895 "); - -/* diag_buffer_enable is bitwise - * bit 0 set = TRACE - * bit 1 set = SNAPSHOT - * bit 2 set = EXTENDED - * - * Either bit can be set, or both - */ -static int diag_buffer_enable = -1; -module_param(diag_buffer_enable, int, 0); -MODULE_PARM_DESC(diag_buffer_enable, " post diag buffers " - "(TRACE=1/SNAPSHOT=2/EXTENDED=4/default=0)"); - -static int disable_discovery = -1; -module_param(disable_discovery, int, 0); -MODULE_PARM_DESC(disable_discovery, " disable discovery "); - -/* permit overriding the host protection capabilities mask (EEDP/T10 PI) */ -static int prot_mask = 0; -module_param(prot_mask, int, 0); -MODULE_PARM_DESC(prot_mask, " host protection capabilities mask, def=7 "); - -/** - * struct sense_info - common structure for obtaining sense keys - * @skey: sense key - * @asc: additional sense code - * @ascq: additional sense code qualifier - */ -struct sense_info { - u8 skey; - u8 asc; - u8 ascq; -}; - - -#define MPT2SAS_TURN_ON_PFA_LED (0xFFFC) -#define MPT2SAS_PORT_ENABLE_COMPLETE (0xFFFD) -#define MPT2SAS_REMOVE_UNRESPONDING_DEVICES (0xFFFF) -/** - * struct fw_event_work - firmware event struct - * @list: link list framework - * @work: work object (ioc->fault_reset_work_q) - * @cancel_pending_work: flag set during reset handling - * @ioc: per adapter object - * @device_handle: device handle - * @VF_ID: virtual function id - * @VP_ID: virtual port id - * @ignore: flag meaning this event has been marked to ignore - * @event: firmware event MPI2_EVENT_XXX defined in mpt2_ioc.h - * @event_data: reply event data payload follows - * - * This object stored on ioc->fw_event_list. - */ -struct fw_event_work { - struct list_head list; - u8 cancel_pending_work; - struct delayed_work delayed_work; - struct MPT2SAS_ADAPTER *ioc; - u16 device_handle; - u8 VF_ID; - u8 VP_ID; - u8 ignore; - u16 event; - struct kref refcount; - char event_data[0] __aligned(4); -}; - -static void fw_event_work_free(struct kref *r) -{ - kfree(container_of(r, struct fw_event_work, refcount)); -} - -static void fw_event_work_get(struct fw_event_work *fw_work) -{ - kref_get(&fw_work->refcount); -} - -static void fw_event_work_put(struct fw_event_work *fw_work) -{ - kref_put(&fw_work->refcount, fw_event_work_free); -} - -static struct fw_event_work *alloc_fw_event_work(int len) -{ - struct fw_event_work *fw_event; - - fw_event = kzalloc(sizeof(*fw_event) + len, GFP_ATOMIC); - if (!fw_event) - return NULL; - - kref_init(&fw_event->refcount); - return fw_event; -} - -/* raid transport support */ -static struct raid_template *mpt2sas_raid_template; - -/** - * struct _scsi_io_transfer - scsi io transfer - * @handle: sas device handle (assigned by firmware) - * @is_raid: flag set for hidden raid components - * @dir: DMA_TO_DEVICE, DMA_FROM_DEVICE, - * @data_length: data transfer length - * @data_dma: dma pointer to data - * @sense: sense data - * @lun: lun number - * @cdb_length: cdb length - * @cdb: cdb contents - * @timeout: timeout for this command - * @VF_ID: virtual function id - * @VP_ID: virtual port id - * @valid_reply: flag set for reply message - * @sense_length: sense length - * @ioc_status: ioc status - * @scsi_state: scsi state - * @scsi_status: scsi staus - * @log_info: log information - * @transfer_length: data length transfer when there is a reply message - * - * Used for sending internal scsi commands to devices within this module. - * Refer to _scsi_send_scsi_io(). - */ -struct _scsi_io_transfer { - u16 handle; - u8 is_raid; - enum dma_data_direction dir; - u32 data_length; - dma_addr_t data_dma; - u8 sense[SCSI_SENSE_BUFFERSIZE]; - u32 lun; - u8 cdb_length; - u8 cdb[32]; - u8 timeout; - u8 VF_ID; - u8 VP_ID; - u8 valid_reply; - /* the following bits are only valid when 'valid_reply = 1' */ - u32 sense_length; - u16 ioc_status; - u8 scsi_state; - u8 scsi_status; - u32 log_info; - u32 transfer_length; -}; - -/* - * The pci device ids are defined in mpi/mpi2_cnfg.h. - */ -static struct pci_device_id scsih_pci_table[] = { - { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2004, - PCI_ANY_ID, PCI_ANY_ID }, - /* Falcon ~ 2008*/ - { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2008, - PCI_ANY_ID, PCI_ANY_ID }, - /* Liberator ~ 2108 */ - { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2108_1, - PCI_ANY_ID, PCI_ANY_ID }, - { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2108_2, - PCI_ANY_ID, PCI_ANY_ID }, - { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2108_3, - PCI_ANY_ID, PCI_ANY_ID }, - /* Meteor ~ 2116 */ - { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2116_1, - PCI_ANY_ID, PCI_ANY_ID }, - { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2116_2, - PCI_ANY_ID, PCI_ANY_ID }, - /* Thunderbolt ~ 2208 */ - { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_1, - PCI_ANY_ID, PCI_ANY_ID }, - { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_2, - PCI_ANY_ID, PCI_ANY_ID }, - { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_3, - PCI_ANY_ID, PCI_ANY_ID }, - { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_4, - PCI_ANY_ID, PCI_ANY_ID }, - { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_5, - PCI_ANY_ID, PCI_ANY_ID }, - { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_6, - PCI_ANY_ID, PCI_ANY_ID }, - /* Mustang ~ 2308 */ - { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2308_1, - PCI_ANY_ID, PCI_ANY_ID }, - { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2308_2, - PCI_ANY_ID, PCI_ANY_ID }, - { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2308_3, - PCI_ANY_ID, PCI_ANY_ID }, - /* SSS6200 */ - { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SSS6200, - 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. - * - * Note: The logging levels are defined in mpt2sas_debug.h. - */ -static int -_scsih_set_debug_level(const char *val, struct kernel_param *kp) -{ - int ret = param_set_int(val, kp); - struct MPT2SAS_ADAPTER *ioc; - - if (ret) - return ret; - - printk(KERN_INFO "setting logging_level(0x%08x)\n", logging_level); - spin_lock(&gioc_lock); - list_for_each_entry(ioc, &mpt2sas_ioc_list, list) - ioc->logging_level = logging_level; - spin_unlock(&gioc_lock); - return 0; -} -module_param_call(logging_level, _scsih_set_debug_level, param_get_int, - &logging_level, 0644); - -/** - * _scsih_srch_boot_sas_address - search based on sas_address - * @sas_address: sas address - * @boot_device: boot device object from bios page 2 - * - * Returns 1 when there's a match, 0 means no match. - */ -static inline int -_scsih_srch_boot_sas_address(u64 sas_address, - Mpi2BootDeviceSasWwid_t *boot_device) -{ - return (sas_address == le64_to_cpu(boot_device->SASAddress)) ? 1 : 0; -} - -/** - * _scsih_srch_boot_device_name - search based on device name - * @device_name: device name specified in INDENTIFY fram - * @boot_device: boot device object from bios page 2 - * - * Returns 1 when there's a match, 0 means no match. - */ -static inline int -_scsih_srch_boot_device_name(u64 device_name, - Mpi2BootDeviceDeviceName_t *boot_device) -{ - return (device_name == le64_to_cpu(boot_device->DeviceName)) ? 1 : 0; -} - -/** - * _scsih_srch_boot_encl_slot - search based on enclosure_logical_id/slot - * @enclosure_logical_id: enclosure logical id - * @slot_number: slot number - * @boot_device: boot device object from bios page 2 - * - * Returns 1 when there's a match, 0 means no match. - */ -static inline int -_scsih_srch_boot_encl_slot(u64 enclosure_logical_id, u16 slot_number, - Mpi2BootDeviceEnclosureSlot_t *boot_device) -{ - return (enclosure_logical_id == le64_to_cpu(boot_device-> - EnclosureLogicalID) && slot_number == le16_to_cpu(boot_device-> - SlotNumber)) ? 1 : 0; -} - -/** - * _scsih_is_boot_device - search for matching boot device. - * @sas_address: sas address - * @device_name: device name specified in INDENTIFY fram - * @enclosure_logical_id: enclosure logical id - * @slot_number: slot number - * @form: specifies boot device form - * @boot_device: boot device object from bios page 2 - * - * Returns 1 when there's a match, 0 means no match. - */ -static int -_scsih_is_boot_device(u64 sas_address, u64 device_name, - u64 enclosure_logical_id, u16 slot, u8 form, - Mpi2BiosPage2BootDevice_t *boot_device) -{ - int rc = 0; - - switch (form) { - case MPI2_BIOSPAGE2_FORM_SAS_WWID: - if (!sas_address) - break; - rc = _scsih_srch_boot_sas_address( - sas_address, &boot_device->SasWwid); - break; - case MPI2_BIOSPAGE2_FORM_ENCLOSURE_SLOT: - if (!enclosure_logical_id) - break; - rc = _scsih_srch_boot_encl_slot( - enclosure_logical_id, - slot, &boot_device->EnclosureSlot); - break; - case MPI2_BIOSPAGE2_FORM_DEVICE_NAME: - if (!device_name) - break; - rc = _scsih_srch_boot_device_name( - device_name, &boot_device->DeviceName); - break; - case MPI2_BIOSPAGE2_FORM_NO_DEVICE_SPECIFIED: - break; - } - - return rc; -} - -/** - * _scsih_get_sas_address - set the sas_address for given device handle - * @handle: device handle - * @sas_address: sas address - * - * Returns 0 success, non-zero when failure - */ -static int -_scsih_get_sas_address(struct MPT2SAS_ADAPTER *ioc, u16 handle, - u64 *sas_address) -{ - Mpi2SasDevicePage0_t sas_device_pg0; - Mpi2ConfigReply_t mpi_reply; - u32 ioc_status; - *sas_address = 0; - - if (handle <= ioc->sas_hba.num_phys) { - *sas_address = ioc->sas_hba.sas_address; - return 0; - } - - if ((mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0, - MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", ioc->name, - __FILE__, __LINE__, __func__); - return -ENXIO; - } - - ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & MPI2_IOCSTATUS_MASK; - if (ioc_status == MPI2_IOCSTATUS_SUCCESS) { - *sas_address = le64_to_cpu(sas_device_pg0.SASAddress); - return 0; - } - - /* we hit this becuase the given parent handle doesn't exist */ - if (ioc_status == MPI2_IOCSTATUS_CONFIG_INVALID_PAGE) - return -ENXIO; - /* else error case */ - printk(MPT2SAS_ERR_FMT "handle(0x%04x), ioc_status(0x%04x), " - "failure at %s:%d/%s()!\n", ioc->name, handle, ioc_status, - __FILE__, __LINE__, __func__); - return -EIO; -} - -/** - * _scsih_determine_boot_device - determine boot device. - * @ioc: per adapter object - * @device: either sas_device or raid_device object - * @is_raid: [flag] 1 = raid object, 0 = sas object - * - * Determines whether this device should be first reported device to - * to scsi-ml or sas transport, this purpose is for persistent boot device. - * There are primary, alternate, and current entries in bios page 2. The order - * priority is primary, alternate, then current. This routine saves - * the corresponding device object and is_raid flag in the ioc object. - * The saved data to be used later in _scsih_probe_boot_devices(). - */ -static void -_scsih_determine_boot_device(struct MPT2SAS_ADAPTER *ioc, - void *device, u8 is_raid) -{ - struct _sas_device *sas_device; - struct _raid_device *raid_device; - u64 sas_address; - u64 device_name; - u64 enclosure_logical_id; - u16 slot; - - /* only process this function when driver loads */ - if (!ioc->is_driver_loading) - return; - - /* no Bios, return immediately */ - if (!ioc->bios_pg3.BiosVersion) - return; - - if (!is_raid) { - sas_device = device; - sas_address = sas_device->sas_address; - device_name = sas_device->device_name; - enclosure_logical_id = sas_device->enclosure_logical_id; - slot = sas_device->slot; - } else { - raid_device = device; - sas_address = raid_device->wwid; - device_name = 0; - enclosure_logical_id = 0; - slot = 0; - } - - if (!ioc->req_boot_device.device) { - if (_scsih_is_boot_device(sas_address, device_name, - enclosure_logical_id, slot, - (ioc->bios_pg2.ReqBootDeviceForm & - MPI2_BIOSPAGE2_FORM_MASK), - &ioc->bios_pg2.RequestedBootDevice)) { - dinitprintk(ioc, printk(MPT2SAS_INFO_FMT - "%s: req_boot_device(0x%016llx)\n", - ioc->name, __func__, - (unsigned long long)sas_address)); - ioc->req_boot_device.device = device; - ioc->req_boot_device.is_raid = is_raid; - } - } - - if (!ioc->req_alt_boot_device.device) { - if (_scsih_is_boot_device(sas_address, device_name, - enclosure_logical_id, slot, - (ioc->bios_pg2.ReqAltBootDeviceForm & - MPI2_BIOSPAGE2_FORM_MASK), - &ioc->bios_pg2.RequestedAltBootDevice)) { - dinitprintk(ioc, printk(MPT2SAS_INFO_FMT - "%s: req_alt_boot_device(0x%016llx)\n", - ioc->name, __func__, - (unsigned long long)sas_address)); - ioc->req_alt_boot_device.device = device; - ioc->req_alt_boot_device.is_raid = is_raid; - } - } - - if (!ioc->current_boot_device.device) { - if (_scsih_is_boot_device(sas_address, device_name, - enclosure_logical_id, slot, - (ioc->bios_pg2.CurrentBootDeviceForm & - MPI2_BIOSPAGE2_FORM_MASK), - &ioc->bios_pg2.CurrentBootDevice)) { - dinitprintk(ioc, printk(MPT2SAS_INFO_FMT - "%s: current_boot_device(0x%016llx)\n", - ioc->name, __func__, - (unsigned long long)sas_address)); - ioc->current_boot_device.device = device; - ioc->current_boot_device.is_raid = is_raid; - } - } -} - -static struct _sas_device * -__mpt2sas_get_sdev_from_target(struct MPT2SAS_ADAPTER *ioc, - struct MPT2SAS_TARGET *tgt_priv) -{ - struct _sas_device *ret; - - assert_spin_locked(&ioc->sas_device_lock); - - ret = tgt_priv->sdev; - if (ret) - sas_device_get(ret); - - return ret; -} - -static struct _sas_device * -mpt2sas_get_sdev_from_target(struct MPT2SAS_ADAPTER *ioc, - struct MPT2SAS_TARGET *tgt_priv) -{ - struct _sas_device *ret; - unsigned long flags; - - spin_lock_irqsave(&ioc->sas_device_lock, flags); - ret = __mpt2sas_get_sdev_from_target(ioc, tgt_priv); - spin_unlock_irqrestore(&ioc->sas_device_lock, flags); - - return ret; -} - - -struct _sas_device * -__mpt2sas_get_sdev_by_addr(struct MPT2SAS_ADAPTER *ioc, - u64 sas_address) -{ - struct _sas_device *sas_device; - - assert_spin_locked(&ioc->sas_device_lock); - - list_for_each_entry(sas_device, &ioc->sas_device_list, list) - if (sas_device->sas_address == sas_address) - goto found_device; - - list_for_each_entry(sas_device, &ioc->sas_device_init_list, list) - if (sas_device->sas_address == sas_address) - goto found_device; - - return NULL; - -found_device: - sas_device_get(sas_device); - return sas_device; -} - -/** - * mpt2sas_get_sdev_by_addr - sas device search - * @ioc: per adapter object - * @sas_address: sas address - * Context: Calling function should acquire ioc->sas_device_lock - * - * This searches for sas_device based on sas_address, then return sas_device - * object. - */ -struct _sas_device * -mpt2sas_get_sdev_by_addr(struct MPT2SAS_ADAPTER *ioc, - u64 sas_address) -{ - struct _sas_device *sas_device; - unsigned long flags; - - spin_lock_irqsave(&ioc->sas_device_lock, flags); - sas_device = __mpt2sas_get_sdev_by_addr(ioc, - sas_address); - spin_unlock_irqrestore(&ioc->sas_device_lock, flags); - - return sas_device; -} - -static struct _sas_device * -__mpt2sas_get_sdev_by_handle(struct MPT2SAS_ADAPTER *ioc, u16 handle) -{ - struct _sas_device *sas_device; - - assert_spin_locked(&ioc->sas_device_lock); - - list_for_each_entry(sas_device, &ioc->sas_device_list, list) - if (sas_device->handle == handle) - goto found_device; - - list_for_each_entry(sas_device, &ioc->sas_device_init_list, list) - if (sas_device->handle == handle) - goto found_device; - - return NULL; - -found_device: - sas_device_get(sas_device); - return sas_device; -} - -/** - * mpt2sas_get_sdev_by_handle - sas device search - * @ioc: per adapter object - * @handle: sas device handle (assigned by firmware) - * Context: Calling function should acquire ioc->sas_device_lock - * - * This searches for sas_device based on sas_address, then return sas_device - * object. - */ -static struct _sas_device * -mpt2sas_get_sdev_by_handle(struct MPT2SAS_ADAPTER *ioc, u16 handle) -{ - struct _sas_device *sas_device; - unsigned long flags; - - spin_lock_irqsave(&ioc->sas_device_lock, flags); - sas_device = __mpt2sas_get_sdev_by_handle(ioc, handle); - spin_unlock_irqrestore(&ioc->sas_device_lock, flags); - - return sas_device; -} - -/** - * _scsih_sas_device_remove - remove sas_device from list. - * @ioc: per adapter object - * @sas_device: the sas_device object - * Context: This function will acquire ioc->sas_device_lock. - * - * If sas_device is on the list, remove it and decrement its reference count. - */ -static void -_scsih_sas_device_remove(struct MPT2SAS_ADAPTER *ioc, - struct _sas_device *sas_device) -{ - unsigned long flags; - - if (!sas_device) - return; - - /* - * The lock serializes access to the list, but we still need to verify - * that nobody removed the entry while we were waiting on the lock. - */ - spin_lock_irqsave(&ioc->sas_device_lock, flags); - if (!list_empty(&sas_device->list)) { - list_del_init(&sas_device->list); - sas_device_put(sas_device); - } - spin_unlock_irqrestore(&ioc->sas_device_lock, flags); -} - - -/** - * _scsih_sas_device_add - insert sas_device to the list. - * @ioc: per adapter object - * @sas_device: the sas_device object - * Context: This function will acquire ioc->sas_device_lock. - * - * Adding new object to the ioc->sas_device_list. - */ -static void -_scsih_sas_device_add(struct MPT2SAS_ADAPTER *ioc, - struct _sas_device *sas_device) -{ - unsigned long flags; - - dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: handle" - "(0x%04x), sas_addr(0x%016llx)\n", ioc->name, __func__, - sas_device->handle, (unsigned long long)sas_device->sas_address)); - - spin_lock_irqsave(&ioc->sas_device_lock, flags); - sas_device_get(sas_device); - list_add_tail(&sas_device->list, &ioc->sas_device_list); - spin_unlock_irqrestore(&ioc->sas_device_lock, flags); - - if (!mpt2sas_transport_port_add(ioc, sas_device->handle, - sas_device->sas_address_parent)) { - _scsih_sas_device_remove(ioc, sas_device); - } else if (!sas_device->starget) { - /* When asyn scanning is enabled, its not possible to remove - * devices while scanning is turned on due to an oops in - * scsi_sysfs_add_sdev()->add_device()->sysfs_addrm_start() - */ - if (!ioc->is_driver_loading) { - mpt2sas_transport_port_remove(ioc, - sas_device->sas_address, - sas_device->sas_address_parent); - _scsih_sas_device_remove(ioc, sas_device); - } - } -} - -/** - * _scsih_sas_device_init_add - insert sas_device to the list. - * @ioc: per adapter object - * @sas_device: the sas_device object - * Context: This function will acquire ioc->sas_device_lock. - * - * Adding new object at driver load time to the ioc->sas_device_init_list. - */ -static void -_scsih_sas_device_init_add(struct MPT2SAS_ADAPTER *ioc, - struct _sas_device *sas_device) -{ - unsigned long flags; - - dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: handle" - "(0x%04x), sas_addr(0x%016llx)\n", ioc->name, __func__, - sas_device->handle, (unsigned long long)sas_device->sas_address)); - - spin_lock_irqsave(&ioc->sas_device_lock, flags); - sas_device_get(sas_device); - list_add_tail(&sas_device->list, &ioc->sas_device_init_list); - _scsih_determine_boot_device(ioc, sas_device, 0); - spin_unlock_irqrestore(&ioc->sas_device_lock, flags); -} - -/** - * _scsih_raid_device_find_by_id - raid device search - * @ioc: per adapter object - * @id: sas device target id - * @channel: sas device channel - * Context: Calling function should acquire ioc->raid_device_lock - * - * This searches for raid_device based on target id, then return raid_device - * object. - */ -static struct _raid_device * -_scsih_raid_device_find_by_id(struct MPT2SAS_ADAPTER *ioc, int id, int channel) -{ - struct _raid_device *raid_device, *r; - - r = NULL; - list_for_each_entry(raid_device, &ioc->raid_device_list, list) { - if (raid_device->id == id && raid_device->channel == channel) { - r = raid_device; - goto out; - } - } - - out: - return r; -} - -/** - * _scsih_raid_device_find_by_handle - raid device search - * @ioc: per adapter object - * @handle: sas device handle (assigned by firmware) - * Context: Calling function should acquire ioc->raid_device_lock - * - * This searches for raid_device based on handle, then return raid_device - * object. - */ -static struct _raid_device * -_scsih_raid_device_find_by_handle(struct MPT2SAS_ADAPTER *ioc, u16 handle) -{ - struct _raid_device *raid_device, *r; - - r = NULL; - list_for_each_entry(raid_device, &ioc->raid_device_list, list) { - if (raid_device->handle != handle) - continue; - r = raid_device; - goto out; - } - - out: - return r; -} - -/** - * _scsih_raid_device_find_by_wwid - raid device search - * @ioc: per adapter object - * @handle: sas device handle (assigned by firmware) - * Context: Calling function should acquire ioc->raid_device_lock - * - * This searches for raid_device based on wwid, then return raid_device - * object. - */ -static struct _raid_device * -_scsih_raid_device_find_by_wwid(struct MPT2SAS_ADAPTER *ioc, u64 wwid) -{ - struct _raid_device *raid_device, *r; - - r = NULL; - list_for_each_entry(raid_device, &ioc->raid_device_list, list) { - if (raid_device->wwid != wwid) - continue; - r = raid_device; - goto out; - } - - out: - return r; -} - -/** - * _scsih_raid_device_add - add raid_device object - * @ioc: per adapter object - * @raid_device: raid_device object - * - * This is added to the raid_device_list link list. - */ -static void -_scsih_raid_device_add(struct MPT2SAS_ADAPTER *ioc, - struct _raid_device *raid_device) -{ - unsigned long flags; - - dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: handle" - "(0x%04x), wwid(0x%016llx)\n", ioc->name, __func__, - raid_device->handle, (unsigned long long)raid_device->wwid)); - - spin_lock_irqsave(&ioc->raid_device_lock, flags); - list_add_tail(&raid_device->list, &ioc->raid_device_list); - spin_unlock_irqrestore(&ioc->raid_device_lock, flags); -} - -/** - * _scsih_raid_device_remove - delete raid_device object - * @ioc: per adapter object - * @raid_device: raid_device object - * - */ -static void -_scsih_raid_device_remove(struct MPT2SAS_ADAPTER *ioc, - struct _raid_device *raid_device) -{ - unsigned long flags; - - spin_lock_irqsave(&ioc->raid_device_lock, flags); - list_del(&raid_device->list); - kfree(raid_device); - spin_unlock_irqrestore(&ioc->raid_device_lock, flags); -} - -/** - * mpt2sas_scsih_expander_find_by_handle - expander device search - * @ioc: per adapter object - * @handle: expander handle (assigned by firmware) - * Context: Calling function should acquire ioc->sas_device_lock - * - * This searches for expander device based on handle, then returns the - * sas_node object. - */ -struct _sas_node * -mpt2sas_scsih_expander_find_by_handle(struct MPT2SAS_ADAPTER *ioc, u16 handle) -{ - struct _sas_node *sas_expander, *r; - - r = NULL; - list_for_each_entry(sas_expander, &ioc->sas_expander_list, list) { - if (sas_expander->handle != handle) - continue; - r = sas_expander; - goto out; - } - out: - return r; -} - -/** - * mpt2sas_scsih_expander_find_by_sas_address - expander device search - * @ioc: per adapter object - * @sas_address: sas address - * Context: Calling function should acquire ioc->sas_node_lock. - * - * This searches for expander device based on sas_address, then returns the - * sas_node object. - */ -struct _sas_node * -mpt2sas_scsih_expander_find_by_sas_address(struct MPT2SAS_ADAPTER *ioc, - u64 sas_address) -{ - struct _sas_node *sas_expander, *r; - - r = NULL; - list_for_each_entry(sas_expander, &ioc->sas_expander_list, list) { - if (sas_expander->sas_address != sas_address) - continue; - r = sas_expander; - goto out; - } - out: - return r; -} - -/** - * _scsih_expander_node_add - insert expander device to the list. - * @ioc: per adapter object - * @sas_expander: the sas_device object - * Context: This function will acquire ioc->sas_node_lock. - * - * Adding new object to the ioc->sas_expander_list. - * - * Return nothing. - */ -static void -_scsih_expander_node_add(struct MPT2SAS_ADAPTER *ioc, - struct _sas_node *sas_expander) -{ - unsigned long flags; - - spin_lock_irqsave(&ioc->sas_node_lock, flags); - list_add_tail(&sas_expander->list, &ioc->sas_expander_list); - spin_unlock_irqrestore(&ioc->sas_node_lock, flags); -} - -/** - * _scsih_is_end_device - determines if device is an end device - * @device_info: bitfield providing information about the device. - * Context: none - * - * Returns 1 if end device. - */ -static int -_scsih_is_end_device(u32 device_info) -{ - if (device_info & MPI2_SAS_DEVICE_INFO_END_DEVICE && - ((device_info & MPI2_SAS_DEVICE_INFO_SSP_TARGET) | - (device_info & MPI2_SAS_DEVICE_INFO_STP_TARGET) | - (device_info & MPI2_SAS_DEVICE_INFO_SATA_DEVICE))) - return 1; - else - return 0; -} - -/** - * _scsih_scsi_lookup_get - returns scmd entry - * @ioc: per adapter object - * @smid: system request message index - * - * Returns the smid stored scmd pointer. - */ -static struct scsi_cmnd * -_scsih_scsi_lookup_get(struct MPT2SAS_ADAPTER *ioc, u16 smid) -{ - return ioc->scsi_lookup[smid - 1].scmd; -} - -/** - * _scsih_scsi_lookup_get_clear - returns scmd entry - * @ioc: per adapter object - * @smid: system request message index - * - * Returns the smid stored scmd pointer. - * Then will derefrence the stored scmd pointer. - */ -static inline struct scsi_cmnd * -_scsih_scsi_lookup_get_clear(struct MPT2SAS_ADAPTER *ioc, u16 smid) -{ - unsigned long flags; - struct scsi_cmnd *scmd; - - spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); - scmd = ioc->scsi_lookup[smid - 1].scmd; - ioc->scsi_lookup[smid - 1].scmd = NULL; - spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); - - return scmd; -} - -/** - * _scsih_scsi_lookup_find_by_scmd - scmd lookup - * @ioc: per adapter object - * @smid: system request message index - * @scmd: pointer to scsi command object - * Context: This function will acquire ioc->scsi_lookup_lock. - * - * This will search for a scmd pointer in the scsi_lookup array, - * returning the revelent smid. A returned value of zero means invalid. - */ -static u16 -_scsih_scsi_lookup_find_by_scmd(struct MPT2SAS_ADAPTER *ioc, struct scsi_cmnd - *scmd) -{ - u16 smid; - unsigned long flags; - int i; - - spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); - smid = 0; - for (i = 0; i < ioc->scsiio_depth; i++) { - if (ioc->scsi_lookup[i].scmd == scmd) { - smid = ioc->scsi_lookup[i].smid; - goto out; - } - } - out: - spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); - return smid; -} - -/** - * _scsih_scsi_lookup_find_by_target - search for matching channel:id - * @ioc: per adapter object - * @id: target id - * @channel: channel - * Context: This function will acquire ioc->scsi_lookup_lock. - * - * This will search for a matching channel:id in the scsi_lookup array, - * returning 1 if found. - */ -static u8 -_scsih_scsi_lookup_find_by_target(struct MPT2SAS_ADAPTER *ioc, int id, - int channel) -{ - u8 found; - unsigned long flags; - int i; - - spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); - found = 0; - for (i = 0 ; i < ioc->scsiio_depth; i++) { - if (ioc-> |
