| /* |
| * Scsi Host Layer for MPT (Message Passing Technology) based controllers |
| * |
| * This code is based on drivers/scsi/mpt2sas/mpt2_scsih.c |
| * Copyright (C) 2007-2010 LSI Corporation |
| * (mailto:DL-MPTFusionLinux@lsi.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/version.h> |
| #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 "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); |
| |
| /* global parameters */ |
| LIST_HEAD(mpt2sas_ioc_list); |
| |
| /* 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 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)"); |
| |
| /* 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 "); |
| |
| /** |
| * 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_RESCAN_AFTER_HOST_RESET (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 |
| * @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; |
| u8 VF_ID; |
| u8 VP_ID; |
| u8 ignore; |
| u16 event; |
| void *event_data; |
| }; |
| |
| /* 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 }, |
| {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); |
| list_for_each_entry(ioc, &mpt2sas_ioc_list, list) |
| ioc->logging_level = logging_level; |
| 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; |
| |
| if (handle <= ioc->sas_hba.num_phys) { |
| *sas_address = ioc->sas_hba.sas_address; |
| return 0; |
| } else |
| *sas_address = 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) { |
| printk(MPT2SAS_ERR_FMT "handle(0x%04x), ioc_status(0x%04x)" |
| "\nfailure at %s:%d/%s()!\n", ioc->name, handle, ioc_status, |
| __FILE__, __LINE__, __func__); |
| return -EIO; |
| } |
| |
| *sas_address = le64_to_cpu(sas_device_pg0.SASAddress); |
| return 0; |
| } |
| |
| /** |
| * _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 persistant 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->wait_for_port_enable_to_complete) |
| 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; |
| } |
| } |
| } |
| |
| /** |
| * mpt2sas_scsih_sas_device_find_by_sas_address - 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_scsih_sas_device_find_by_sas_address(struct MPT2SAS_ADAPTER *ioc, |
| u64 sas_address) |
| { |
| struct _sas_device *sas_device; |
| |
| list_for_each_entry(sas_device, &ioc->sas_device_list, list) |
| if (sas_device->sas_address == sas_address) |
| return sas_device; |
| |
| list_for_each_entry(sas_device, &ioc->sas_device_init_list, list) |
| if (sas_device->sas_address == sas_address) |
| return sas_device; |
| |
| return NULL; |
| } |
| |
| /** |
| * _scsih_sas_device_find_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 * |
| _scsih_sas_device_find_by_handle(struct MPT2SAS_ADAPTER *ioc, u16 handle) |
| { |
| struct _sas_device *sas_device; |
| |
| list_for_each_entry(sas_device, &ioc->sas_device_list, list) |
| if (sas_device->handle == handle) |
| return sas_device; |
| |
| list_for_each_entry(sas_device, &ioc->sas_device_init_list, list) |
| if (sas_device->handle == handle) |
| return sas_device; |
| |
| return NULL; |
| } |
| |
| /** |
| * _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. |
| * |
| * Removing object and freeing associated memory from the ioc->sas_device_list. |
| */ |
| static void |
| _scsih_sas_device_remove(struct MPT2SAS_ADAPTER *ioc, |
| struct _sas_device *sas_device) |
| { |
| unsigned long flags; |
| |
| if (!sas_device) |
| return; |
| |
| spin_lock_irqsave(&ioc->sas_device_lock, flags); |
| if (mpt2sas_scsih_sas_device_find_by_sas_address(ioc, |
| sas_device->sas_address)) { |
| list_del(&sas_device->list); |
| kfree(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); |
| 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); |
| } |
| |
| /** |
| * _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); |
| list_add_tail(&sas_device->list, &ioc->sas_device_init_list); |
| spin_unlock_irqrestore(&ioc->sas_device_lock, flags); |
| _scsih_determine_boot_device(ioc, sas_device, 0); |
| } |
| |
| /** |
| * _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 |
| * |
| * This is removed from the raid_device_list link list. |
| */ |
| 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); |
| memset(raid_device, 0, sizeof(struct _raid_device)); |
| 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; |
| } |
| |
| /** |
| * mptscsih_get_scsi_lookup - 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_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->scsi_lookup[i].scmd && |
| (ioc->scsi_lookup[i].scmd->device->id == id && |
| ioc->scsi_lookup[i].scmd->device->channel == channel)) { |
| found = 1; |
| goto out; |
| } |
| } |
| out: |
| spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); |
| return found; |
| } |
| |
| /** |
| * _scsih_scsi_lookup_find_by_lun - search for matching channel:id:lun |
| * @ioc: per adapter object |
| * @id: target id |
| * @lun: lun number |
| * @channel: channel |
| * Context: This function will acquire ioc->scsi_lookup_lock. |
| * |
| * This will search for a matching channel:id:lun in the scsi_lookup array, |
| * returning 1 if found. |
| */ |
| static u8 |
| _scsih_scsi_lookup_find_by_lun(struct MPT2SAS_ADAPTER *ioc, int id, |
| unsigned int lun, 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->scsi_lookup[i].scmd && |
| (ioc->scsi_lookup[i].scmd->device->id == id && |
| ioc->scsi_lookup[i].scmd->device->channel == channel && |
| ioc->scsi_lookup[i].scmd->device->lun == lun)) { |
| found = 1; |
| goto out; |
| } |
| } |
| out: |
| spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); |
| return found; |
| } |
| |
| /** |
| * _scsih_get_chain_buffer_dma - obtain block of chains (dma address) |
| * @ioc: per adapter object |
| * @smid: system request message index |
| * |
| * Returns phys pointer to chain buffer. |
| */ |
| static dma_addr_t |
| _scsih_get_chain_buffer_dma(struct MPT2SAS_ADAPTER *ioc, u16 smid) |
| { |
| return ioc->chain_dma + ((smid - 1) * (ioc->request_sz * |
| ioc->chains_needed_per_io)); |
| } |
| |
| /** |
| * _scsih_get_chain_buffer - obtain block of chains assigned to a mf request |
| * @ioc: per adapter object |
| * @smid: system request message index |
| * |
| * Returns virt pointer to chain buffer. |
| */ |
| static void * |
| _scsih_get_chain_buffer(struct MPT2SAS_ADAPTER *ioc, u16 smid) |
| { |
| return (void *)(ioc->chain + ((smid - 1) * (ioc->request_sz * |
| ioc->chains_needed_per_io))); |
| } |
| |
| /** |
| * _scsih_build_scatter_gather - main sg creation routine |
| * @ioc: per adapter object |
| * @scmd: scsi command |
| * @smid: system request message index |
| * Context: none. |
| * |
| * The main routine that builds scatter gather table from a given |
| * scsi request sent via the .queuecommand main handler. |
| * |
| * Returns 0 success, anything else error |
| */ |
| static int |
| _scsih_build_scatter_gather(struct MPT2SAS_ADAPTER *ioc, |
| struct scsi_cmnd *scmd, u16 smid) |
| { |
| Mpi2SCSIIORequest_t *mpi_request; |
| dma_addr_t chain_dma; |
| struct scatterlist *sg_scmd; |
| void *sg_local, *chain; |
| u32 chain_offset; |
| u32 chain_length; |
| u32 chain_flags; |
| int sges_left; |
| u32 sges_in_segment; |
| u32 sgl_flags; |
| u32 sgl_flags_last_element; |
| u32 sgl_flags_end_buffer; |
| |
| mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); |
| |
| /* init scatter gather flags */ |
| sgl_flags = MPI2_SGE_FLAGS_SIMPLE_ELEMENT; |
| if (scmd->sc_data_direction == DMA_TO_DEVICE) |
| sgl_flags |= MPI2_SGE_FLAGS_HOST_TO_IOC; |
| sgl_flags_last_element = (sgl_flags | MPI2_SGE_FLAGS_LAST_ELEMENT) |
| << MPI2_SGE_FLAGS_SHIFT; |
| sgl_flags_end_buffer = (sgl_flags | MPI2_SGE_FLAGS_LAST_ELEMENT | |
| MPI2_SGE_FLAGS_END_OF_BUFFER | MPI2_SGE_FLAGS_END_OF_LIST) |
| << MPI2_SGE_FLAGS_SHIFT; |
| sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT; |
| |
| sg_scmd = scsi_sglist(scmd); |
| sges_left = scsi_dma_map(scmd); |
| if (sges_left < 0) { |
| sdev_printk(KERN_ERR, scmd->device, "pci_map_sg" |
| " failed: request for %d bytes!\n", scsi_bufflen(scmd)); |
| return -ENOMEM; |
| } |
| |
| sg_local = &mpi_request->SGL; |
| sges_in_segment = ioc->max_sges_in_main_message; |
| if (sges_left <= sges_in_segment) |
| goto fill_in_last_segment; |
| |
| mpi_request->ChainOffset = (offsetof(Mpi2SCSIIORequest_t, SGL) + |
| (sges_in_segment * ioc->sge_size))/4; |
| |
| /* fill in main message segment when there is a chain following */ |
| while (sges_in_segment) { |
| if (sges_in_segment == 1) |
| ioc->base_add_sg_single(sg_local, |
| sgl_flags_last_element | sg_dma_len(sg_scmd), |
| sg_dma_address(sg_scmd)); |
| else |
| ioc->base_add_sg_single(sg_local, sgl_flags | |
| sg_dma_len(sg_scmd), sg_dma_address(sg_scmd)); |
| sg_scmd = sg_next(sg_scmd); |
| sg_local += ioc->sge_size; |
| sges_left--; |
| sges_in_segment--; |
| } |
| |
| /* initializing the chain flags and pointers */ |
| chain_flags = MPI2_SGE_FLAGS_CHAIN_ELEMENT << MPI2_SGE_FLAGS_SHIFT; |
| chain = _scsih_get_chain_buffer(ioc, smid); |
| chain_dma = _scsih_get_chain_buffer_dma(ioc, smid); |
| do { |
| sges_in_segment = (sges_left <= |
| ioc->max_sges_in_chain_message) ? sges_left : |
| ioc->max_sges_in_chain_message; |
| chain_offset = (sges_left == sges_in_segment) ? |
| 0 : (sges_in_segment * ioc->sge_size)/4; |
| chain_length = sges_in_segment * ioc->sge_size; |
| if (chain_offset) { |
| chain_offset = chain_offset << |
| MPI2_SGE_CHAIN_OFFSET_SHIFT; |
| chain_length += ioc->sge_size; |
| } |
| ioc->base_add_sg_single(sg_local, chain_flags | chain_offset | |
| chain_length, chain_dma); |
| sg_local = chain; |
| if (!chain_offset) |
| goto fill_in_last_segment; |
| |
| /* fill in chain segments */ |
| while (sges_in_segment) { |
| if (sges_in_segment == 1) |
| ioc->base_add_sg_single(sg_local, |
| sgl_flags_last_element | |
| sg_dma_len(sg_scmd), |
| sg_dma_address(sg_scmd)); |
| else |
| ioc->base_add_sg_single(sg_local, sgl_flags | |
| sg_dma_len(sg_scmd), |
| sg_dma_address(sg_scmd)); |
| sg_scmd = sg_next(sg_scmd); |
| sg_local += ioc->sge_size; |
| sges_left--; |
| sges_in_segment--; |
| } |
| |
| chain_dma += ioc->request_sz; |
| chain += ioc->request_sz; |
| } while (1); |
| |
| |
| fill_in_last_segment: |
| |
| /* fill the last segment */ |
| while (sges_left) { |
| if (sges_left == 1) |
| ioc->base_add_sg_single(sg_local, sgl_flags_end_buffer | |
| sg_dma_len(sg_scmd), sg_dma_address(sg_scmd)); |
| else |
| ioc->base_add_sg_single(sg_local, sgl_flags | |
| sg_dma_len(sg_scmd), sg_dma_address(sg_scmd)); |
| sg_scmd = sg_next(sg_scmd); |
| sg_local += ioc->sge_size; |
| sges_left--; |
| } |
| |
| return 0; |
| } |
| |
| /** |
| * _scsih_change_queue_depth - setting device queue depth |
| * @sdev: scsi device struct |
| * @qdepth: requested queue depth |
| * @reason: calling context |
| * |
| * Returns queue depth. |
| */ |
| static int |
| _scsih_change_queue_depth(struct scsi_device *sdev, int qdepth, int reason) |
| { |
| struct Scsi_Host *shost = sdev->host; |
| int max_depth; |
| int tag_type; |
| struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); |
| struct MPT2SAS_DEVICE *sas_device_priv_data; |
| struct MPT2SAS_TARGET *sas_target_priv_data; |
| struct _sas_device *sas_device; |
| unsigned long flags; |
| |
| if (reason != SCSI_QDEPTH_DEFAULT) |
| return -EOPNOTSUPP; |
| |
| max_depth = shost->can_queue; |
| |
| /* limit max device queue for SATA to 32 */ |
| sas_device_priv_data = sdev->hostdata; |
| if (!sas_device_priv_data) |
| goto not_sata; |
| sas_target_priv_data = sas_device_priv_data->sas_target; |
| if (!sas_target_priv_data) |
| goto not_sata; |
| if ((sas_target_priv_data->flags & MPT_TARGET_FLAGS_VOLUME)) |
| goto not_sata; |
| spin_lock_irqsave(&ioc->sas_device_lock, flags); |
| sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc, |
| sas_device_priv_data->sas_target->sas_address); |
| spin_unlock_irqrestore(&ioc->sas_device_lock, flags); |
| if (sas_device && sas_device->device_info & |
| MPI2_SAS_DEVICE_INFO_SATA_DEVICE) |
| max_depth = MPT2SAS_SATA_QUEUE_DEPTH; |
| |
| not_sata: |
| |
| if (!sdev->tagged_supported) |
| max_depth = 1; |
| if (qdepth > max_depth) |
| qdepth = max_depth; |
| tag_type = (qdepth == 1) ? 0 : MSG_SIMPLE_TAG; |
| scsi_adjust_queue_depth(sdev, tag_type, qdepth); |
| |
| if (sdev->inquiry_len > 7) |
| sdev_printk(KERN_INFO, sdev, "qdepth(%d), tagged(%d), " |
| "simple(%d), ordered(%d), scsi_level(%d), cmd_que(%d)\n", |
| sdev->queue_depth, sdev->tagged_supported, sdev->simple_tags, |
| sdev->ordered_tags, sdev->scsi_level, |
| (sdev->inquiry[7] & 2) >> 1); |
| |
| return sdev->queue_depth; |
| } |
| |
| /** |
| * _scsih_change_queue_type - changing device queue tag type |
| * @sdev: scsi device struct |
| * @tag_type: requested tag type |
| * |
| * Returns queue tag type. |
| */ |
| static int |
| _scsih_change_queue_type(struct scsi_device *sdev, int tag_type) |
| { |
| if (sdev->tagged_supported) { |
| scsi_set_tag_type(sdev, tag_type); |
| if (tag_type) |
| scsi_activate_tcq(sdev, sdev->queue_depth); |
| else |
| scsi_deactivate_tcq(sdev, sdev->queue_depth); |
| } else |
| tag_type = 0; |
| |
| return tag_type; |
| } |
| |
| /** |
| * _scsih_target_alloc - target add routine |
| * @starget: scsi target struct |
| * |
| * Returns 0 if ok. Any other return is assumed to be an error and |
| * the device is ignored. |
| */ |
| static int |
| _scsih_target_alloc(struct scsi_target *starget) |
| { |
| struct Scsi_Host *shost = dev_to_shost(&starget->dev); |
| struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); |
| struct MPT2SAS_TARGET *sas_target_priv_data; |
| struct _sas_device *sas_device; |
| struct _raid_device *raid_device; |
| unsigned long flags; |
| struct sas_rphy *rphy; |
| |
| sas_target_priv_data = kzalloc(sizeof(struct scsi_target), GFP_KERNEL); |
| if (!sas_target_priv_data) |
| return -ENOMEM; |
| |
| starget->hostdata = sas_target_priv_data; |
| sas_target_priv_data->starget = starget; |
| sas_target_priv_data->handle = MPT2SAS_INVALID_DEVICE_HANDLE; |
| |
| /* RAID volumes */ |
| if (starget->channel == RAID_CHANNEL) { |
| spin_lock_irqsave(&ioc->raid_device_lock, flags); |
| raid_device = _scsih_raid_device_find_by_id(ioc, starget->id, |
| starget->channel); |
| if (raid_device) { |
| sas_target_priv_data->handle = raid_device->handle; |
| sas_target_priv_data->sas_address = raid_device->wwid; |
| sas_target_priv_data->flags |= MPT_TARGET_FLAGS_VOLUME; |
| raid_device->starget = starget; |
| } |
| spin_unlock_irqrestore(&ioc->raid_device_lock, flags); |
| return 0; |
| } |
| |
| /* sas/sata devices */ |
| spin_lock_irqsave(&ioc->sas_device_lock, flags); |
| rphy = dev_to_rphy(starget->dev.parent); |
| sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc, |
| rphy->identify.sas_address); |
| |
| if (sas_device) { |
| sas_target_priv_data->handle = sas_device->handle; |
| sas_target_priv_data->sas_address = sas_device->sas_address; |
| sas_device->starget = starget; |
| sas_device->id = starget->id; |
| sas_device->channel = starget->channel; |
| if (test_bit(sas_device->handle, ioc->pd_handles)) |
| sas_target_priv_data->flags |= |
| MPT_TARGET_FLAGS_RAID_COMPONENT; |
| } |
| spin_unlock_irqrestore(&ioc->sas_device_lock, flags); |
| |
| return 0; |
| } |
| |
| /** |
| * _scsih_target_destroy - target destroy routine |
| * @starget: scsi target struct |
| * |
| * Returns nothing. |
| */ |
| static void |
| _scsih_target_destroy(struct scsi_target *starget) |
| { |
| struct Scsi_Host *shost = dev_to_shost(&starget->dev); |
| struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); |
| struct MPT2SAS_TARGET *sas_target_priv_data; |
| struct _sas_device *sas_device; |
| struct _raid_device *raid_device; |
| unsigned long flags; |
| struct sas_rphy *rphy; |
| |
| sas_target_priv_data = starget->hostdata; |
| if (!sas_target_priv_data) |
| return; |
| |
| if (starget->channel == RAID_CHANNEL) { |
| spin_lock_irqsave(&ioc->raid_device_lock, flags); |
| raid_device = _scsih_raid_device_find_by_id(ioc, starget->id, |
| starget->channel); |
| if (raid_device) { |
| raid_device->starget = NULL; |
| raid_device->sdev = NULL; |
| } |
| spin_unlock_irqrestore(&ioc->raid_device_lock, flags); |
| goto out; |
| } |
| |
| spin_lock_irqsave(&ioc->sas_device_lock, flags); |
| rphy = dev_to_rphy(starget->dev.parent); |
| sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc, |
| rphy->identify.sas_address); |
| if (sas_device && (sas_device->starget == starget) && |
| (sas_device->id == starget->id) && |
| (sas_device->channel == starget->channel)) |
| sas_device->starget = NULL; |
| |
| spin_unlock_irqrestore(&ioc->sas_device_lock, flags); |
| |
| out: |
| kfree(sas_target_priv_data); |
| starget->hostdata = NULL; |
| } |
| |
| /** |
| * _scsih_slave_alloc - device add routine |
| * @sdev: scsi device struct |
| * |
| * Returns 0 if ok. Any other return is assumed to be an error and |
| * the device is ignored. |
| */ |
| static int |
| _scsih_slave_alloc(struct scsi_device *sdev) |
| { |
| struct Scsi_Host *shost; |
| struct MPT2SAS_ADAPTER *ioc; |
| struct MPT2SAS_TARGET *sas_target_priv_data; |
| struct MPT2SAS_DEVICE *sas_device_priv_data; |
| struct scsi_target *starget; |
| struct _raid_device *raid_device; |
| unsigned long flags; |
| |
| sas_device_priv_data = kzalloc(sizeof(struct scsi_device), GFP_KERNEL); |
| if (!sas_device_priv_data) |
| return -ENOMEM; |
| |
| sas_device_priv_data->lun = sdev->lun; |
| sas_device_priv_data->flags = MPT_DEVICE_FLAGS_INIT; |
| |
| starget = scsi_target(sdev); |
| sas_target_priv_data = starget->hostdata; |
| sas_target_priv_data->num_luns++; |
| sas_device_priv_data->sas_target = sas_target_priv_data; |
| sdev->hostdata = sas_device_priv_data; |
| if ((sas_target_priv_data->flags & MPT_TARGET_FLAGS_RAID_COMPONENT)) |
| sdev->no_uld_attach = 1; |
| |
| shost = dev_to_shost(&starget->dev); |
| ioc = shost_priv(shost); |
| if (starget->channel == RAID_CHANNEL) { |
| spin_lock_irqsave(&ioc->raid_device_lock, flags); |
| raid_device = _scsih_raid_device_find_by_id(ioc, |
| starget->id, starget->channel); |
| if (raid_device) |
| raid_device->sdev = sdev; /* raid is single lun */ |
| spin_unlock_irqrestore(&ioc->raid_device_lock, flags); |
| } |
| |
| return 0; |
| } |
| |
| /** |
| * _scsih_slave_destroy - device destroy routine |
| * @sdev: scsi device struct |
| * |
| * Returns nothing. |
| */ |
| static void |
| _scsih_slave_destroy(struct scsi_device *sdev) |
| { |
| struct MPT2SAS_TARGET *sas_target_priv_data; |
| struct scsi_target *starget; |
| |
| if (!sdev->hostdata) |
| return; |
| |
| starget = scsi_target(sdev); |
| sas_target_priv_data = starget->hostdata; |
| sas_target_priv_data->num_luns--; |
| kfree(sdev->hostdata); |
| sdev->hostdata = NULL; |
| } |
| |
| /** |
| * _scsih_display_sata_capabilities - sata capabilities |
| * @ioc: per adapter object |
| * @sas_device: the sas_device object |
| * @sdev: scsi device struct |
| */ |
| static void |
| _scsih_display_sata_capabilities(struct MPT2SAS_ADAPTER *ioc, |
| struct _sas_device *sas_device, struct scsi_device *sdev) |
| { |
| Mpi2ConfigReply_t mpi_reply; |
| Mpi2SasDevicePage0_t sas_device_pg0; |
| u32 ioc_status; |
| u16 flags; |
| u32 device_info; |
| |
| if ((mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0, |
| MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, sas_device->handle))) { |
| printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", |
| ioc->name, __FILE__, __LINE__, __func__); |
| return; |
| } |
| |
| ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & |
| MPI2_IOCSTATUS_MASK; |
| if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { |
| printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", |
| ioc->name, __FILE__, __LINE__, __func__); |
| return; |
| } |
| |
| flags = le16_to_cpu(sas_device_pg0.Flags); |
| device_info = le32_to_cpu(sas_device_pg0.DeviceInfo); |
| |
| sdev_printk(KERN_INFO, sdev, |
| "atapi(%s), ncq(%s), asyn_notify(%s), smart(%s), fua(%s), " |
| "sw_preserve(%s)\n", |
| (device_info & MPI2_SAS_DEVICE_INFO_ATAPI_DEVICE) ? "y" : "n", |
| (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_NCQ_SUPPORTED) ? "y" : "n", |
| (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_ASYNCHRONOUS_NOTIFY) ? "y" : |
| "n", |
| (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_SMART_SUPPORTED) ? "y" : "n", |
| (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_FUA_SUPPORTED) ? "y" : "n", |
| (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_SW_PRESERVE) ? "y" : "n"); |
| } |
| |
| /** |
| * _scsih_is_raid - return boolean indicating device is raid volume |
| * @dev the device struct object |
| */ |
| static int |
| _scsih_is_raid(struct device *dev) |
| { |
| struct scsi_device *sdev = to_scsi_device(dev); |
| |
| return (sdev->channel == RAID_CHANNEL) ? 1 : 0; |
| } |
| |
| /** |
| * _scsih_get_resync - get raid volume resync percent complete |
| * @dev the device struct object |
| */ |
| static void |
| _scsih_get_resync(struct device *dev) |
| { |
| struct scsi_device *sdev = to_scsi_device(dev); |
| struct MPT2SAS_ADAPTER *ioc = shost_priv(sdev->host); |
| static struct _raid_device *raid_device; |
| unsigned long flags; |
| Mpi2RaidVolPage0_t vol_pg0; |
| Mpi2ConfigReply_t mpi_reply; |
| u32 volume_status_flags; |
| u8 percent_complete = 0; |
| |
| spin_lock_irqsave(&ioc->raid_device_lock, flags); |
| raid_device = _scsih_raid_device_find_by_id(ioc, sdev->id, |
| sdev->channel); |
| spin_unlock_irqrestore(&ioc->raid_device_lock, flags); |
| |
| if (!raid_device) |
| goto out; |
| |
| if (mpt2sas_config_get_raid_volume_pg0(ioc, &mpi_reply, &vol_pg0, |
| MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, raid_device->handle, |
| sizeof(Mpi2RaidVolPage0_t))) { |
| printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", |
| ioc->name, __FILE__, __LINE__, __func__); |
| goto out; |
| } |
| |
| volume_status_flags = le32_to_cpu(vol_pg0.VolumeStatusFlags); |
| if (volume_status_flags & MPI2_RAIDVOL0_STATUS_FLAG_RESYNC_IN_PROGRESS) |
| percent_complete = raid_device->percent_complete; |
| out: |
| raid_set_resync(mpt2sas_raid_template, dev, percent_complete); |
| } |
| |
| /** |
| * _scsih_get_state - get raid volume level |
| * @dev the device struct object |
| */ |
| static void |
| _scsih_get_state(struct device *dev) |
| { |
| struct scsi_device *sdev = to_scsi_device(dev); |
| struct MPT2SAS_ADAPTER *ioc = shost_priv(sdev->host); |
| static struct _raid_device *raid_device; |
| unsigned long flags; |
| Mpi2RaidVolPage0_t vol_pg0; |
| Mpi2ConfigReply_t mpi_reply; |
| u32 volstate; |
| enum raid_state state = RAID_STATE_UNKNOWN; |
| |
| spin_lock_irqsave(&ioc->raid_device_lock, flags); |
| raid_device = _scsih_raid_device_find_by_id(ioc, sdev->id, |
| sdev->channel); |
| spin_unlock_irqrestore(&ioc->raid_device_lock, flags); |
| |
| if (!raid_device) |
| goto out; |
| |
| if (mpt2sas_config_get_raid_volume_pg0(ioc, &mpi_reply, &vol_pg0, |
| MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, raid_device->handle, |
| sizeof(Mpi2RaidVolPage0_t))) { |
| printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", |
| ioc->name, __FILE__, __LINE__, __func__); |
| goto out; |
| } |
| |
| volstate = le32_to_cpu(vol_pg0.VolumeStatusFlags); |
| if (volstate & MPI2_RAIDVOL0_STATUS_FLAG_RESYNC_IN_PROGRESS) { |
| state = RAID_STATE_RESYNCING; |
| goto out; |
| } |
| |
| switch (vol_pg0.VolumeState) { |
| case MPI2_RAID_VOL_STATE_OPTIMAL: |
| case MPI2_RAID_VOL_STATE_ONLINE: |
| state = RAID_STATE_ACTIVE; |
| break; |
| case MPI2_RAID_VOL_STATE_DEGRADED: |
| state = RAID_STATE_DEGRADED; |
| break; |
| case MPI2_RAID_VOL_STATE_FAILED: |
| case MPI2_RAID_VOL_STATE_MISSING: |
| state = RAID_STATE_OFFLINE; |
| break; |
| } |
| out: |
| raid_set_state(mpt2sas_raid_template, dev, state); |
| } |
| |
| /** |
| * _scsih_set_level - set raid level |
| * @sdev: scsi device struct |
| * @raid_device: raid_device object |
| */ |
| static void |
| _scsih_set_level(struct scsi_device *sdev, struct _raid_device *raid_device) |
| { |
| enum raid_level level = RAID_LEVEL_UNKNOWN; |
| |
| switch (raid_device->volume_type) { |
| case MPI2_RAID_VOL_TYPE_RAID0: |
| level = RAID_LEVEL_0; |
| break; |
| case MPI2_RAID_VOL_TYPE_RAID10: |
| level = RAID_LEVEL_10; |
| break; |
| case MPI2_RAID_VOL_TYPE_RAID1E: |
| level = RAID_LEVEL_1E; |
| break; |
| case MPI2_RAID_VOL_TYPE_RAID1: |
| level = RAID_LEVEL_1; |
| break; |
| } |
| |
| raid_set_level(mpt2sas_raid_template, &sdev->sdev_gendev, level); |
| } |
| |
| /** |
| * _scsih_get_volume_capabilities - volume capabilities |
| * @ioc: per adapter object |
| * @sas_device: the raid_device object |
| */ |
| static void |
| _scsih_get_volume_capabilities(struct MPT2SAS_ADAPTER *ioc, |
| struct _raid_device *raid_device) |
| { |
| Mpi2RaidVolPage0_t *vol_pg0; |
| Mpi2RaidPhysDiskPage0_t pd_pg0; |
| Mpi2SasDevicePage0_t sas_device_pg0; |
| Mpi2ConfigReply_t mpi_reply; |
| u16 sz; |
| u8 num_pds; |
| |
| if ((mpt2sas_config_get_number_pds(ioc, raid_device->handle, |
| &num_pds)) || !num_pds) { |
| printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", |
| ioc->name, __FILE__, __LINE__, __func__); |
| return; |
| } |
| |
| raid_device->num_pds = num_pds; |
| sz = offsetof(Mpi2RaidVolPage0_t, PhysDisk) + (num_pds * |
| sizeof(Mpi2RaidVol0PhysDisk_t)); |
| vol_pg0 = kzalloc(sz, GFP_KERNEL); |
| if (!vol_pg0) { |
| printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", |
| ioc->name, __FILE__, __LINE__, __func__); |
| return; |
| } |
| |
| if ((mpt2sas_config_get_raid_volume_pg0(ioc, &mpi_reply, vol_pg0, |
| MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, raid_device->handle, sz))) { |
| printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", |
| ioc->name, __FILE__, __LINE__, __func__); |
| kfree(vol_pg0); |
| return; |
| } |
| |
| raid_device->volume_type = vol_pg0->VolumeType; |
| |
| /* figure out what the underlying devices are by |
| * obtaining the device_info bits for the 1st device |
| */ |
| if (!(mpt2sas_config_get_phys_disk_pg0(ioc, &mpi_reply, |
| &pd_pg0, MPI2_PHYSDISK_PGAD_FORM_PHYSDISKNUM, |
| vol_pg0->PhysDisk[0].PhysDiskNum))) { |
| if (!(mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, |
| &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, |
| le16_to_cpu(pd_pg0.DevHandle)))) { |
| raid_device->device_info = |
| le32_to_cpu(sas_device_pg0.DeviceInfo); |
| } |
| } |
| |
| kfree(vol_pg0); |
| } |
| |
| /** |
| * _scsih_enable_tlr - setting TLR flags |
| * @ioc: per adapter object |
| * @sdev: scsi device struct |
| * |
| * Enabling Transaction Layer Retries for tape devices when |
| * vpd page 0x90 is present |
| * |
| */ |
| static void |
| _scsih_enable_tlr(struct MPT2SAS_ADAPTER *ioc, struct scsi_device *sdev) |
| { |
| /* only for TAPE */ |
| if (sdev->type != TYPE_TAPE) |
| return; |
| |
| if (!(ioc->facts.IOCCapabilities & MPI2_IOCFACTS_CAPABILITY_TLR)) |
| return; |
| |
| sas_enable_tlr(sdev); |
| sdev_printk(KERN_INFO, sdev, "TLR %s\n", |
| sas_is_tlr_enabled(sdev) ? "Enabled" : "Disabled"); |
| return; |
| |
| } |
| |
| /** |
| * _scsih_slave_configure - device configure routine. |
| * @sdev: scsi device struct |
| * |
| * Returns 0 if ok. Any other return is assumed to be an error and |
| * the device is ignored. |
| */ |
| static int |
| _scsih_slave_configure(struct scsi_device *sdev) |
| { |
| struct Scsi_Host *shost = sdev->host; |
| struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); |
| struct MPT2SAS_DEVICE *sas_device_priv_data; |
| struct MPT2SAS_TARGET *sas_target_priv_data; |
| struct _sas_device *sas_device; |
| struct _raid_device *raid_device; |
| unsigned long flags; |
| int qdepth; |
| u8 ssp_target = 0; |
| char *ds = ""; |
| char *r_level = ""; |
| |
| qdepth = 1; |
| sas_device_priv_data = sdev->hostdata; |
| sas_device_priv_data->configured_lun = 1; |
| sas_device_priv_data->flags &= ~MPT_DEVICE_FLAGS_INIT; |
| sas_target_priv_data = sas_device_priv_data->sas_target; |
| |
| /* raid volume handling */ |
| if (sas_target_priv_data->flags & MPT_TARGET_FLAGS_VOLUME) { |
| |
| spin_lock_irqsave(&ioc->raid_device_lock, flags); |
| raid_device = _scsih_raid_device_find_by_handle(ioc, |
| sas_target_priv_data->handle); |
| spin_unlock_irqrestore(&ioc->raid_device_lock, flags); |
| if (!raid_device) { |
| printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", |
| ioc->name, __FILE__, __LINE__, __func__); |
| return 0; |
| } |
| |
| _scsih_get_volume_capabilities(ioc, raid_device); |
| |
| /* RAID Queue Depth Support |
| * IS volume = underlying qdepth of drive type, either |
| * MPT2SAS_SAS_QUEUE_DEPTH or MPT2SAS_SATA_QUEUE_DEPTH |
| * IM/IME/R10 = 128 (MPT2SAS_RAID_QUEUE_DEPTH) |
| */ |
| if (raid_device->device_info & |
| MPI2_SAS_DEVICE_INFO_SSP_TARGET) { |
| qdepth = MPT2SAS_SAS_QUEUE_DEPTH; |
| ds = "SSP"; |
| } else { |
| qdepth = MPT2SAS_SATA_QUEUE_DEPTH; |
| if (raid_device->device_info & |
| MPI2_SAS_DEVICE_INFO_SATA_DEVICE) |
| ds = "SATA"; |
| else |
| ds = "STP"; |
| } |
| |
| switch (raid_device->volume_type) { |
| case MPI2_RAID_VOL_TYPE_RAID0: |
| r_level = "RAID0"; |
| break; |
| case MPI2_RAID_VOL_TYPE_RAID1E: |
| qdepth = MPT2SAS_RAID_QUEUE_DEPTH; |
| if (ioc->manu_pg10.OEMIdentifier && |
| (ioc->manu_pg10.GenericFlags0 & |
| MFG10_GF0_R10_DISPLAY) && |
| !(raid_device->num_pds % 2)) |
| r_level = "RAID10"; |
| else |
| r_level = "RAID1E"; |
| break; |
| case MPI2_RAID_VOL_TYPE_RAID1: |
| qdepth = MPT2SAS_RAID_QUEUE_DEPTH; |
| r_level = "RAID1"; |
| break; |
| case MPI2_RAID_VOL_TYPE_RAID10: |
| qdepth = MPT2SAS_RAID_QUEUE_DEPTH; |
| r_level = "RAID10"; |
| break; |
| case MPI2_RAID_VOL_TYPE_UNKNOWN: |
| default: |
| qdepth = MPT2SAS_RAID_QUEUE_DEPTH; |
| r_level = "RAIDX"; |
| break; |
| } |
| |
| sdev_printk(KERN_INFO, sdev, "%s: " |
| "handle(0x%04x), wwid(0x%016llx), pd_count(%d), type(%s)\n", |
| r_level, raid_device->handle, |
| (unsigned long long)raid_device->wwid, |
| raid_device->num_pds, ds); |
| _scsih_change_queue_depth(sdev, qdepth, SCSI_QDEPTH_DEFAULT); |
| /* raid transport support */ |
| _scsih_set_level(sdev, raid_device); |
| return 0; |
| } |
| |
| /* non-raid handling */ |
| spin_lock_irqsave(&ioc->sas_device_lock, flags); |
| sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc, |
| sas_device_priv_data->sas_target->sas_address); |
| spin_unlock_irqrestore(&ioc->sas_device_lock, flags); |
| if (sas_device) { |
| if (sas_target_priv_data->flags & |
| MPT_TARGET_FLAGS_RAID_COMPONENT) { |
| mpt2sas_config_get_volume_handle(ioc, |
| sas_device->handle, &sas_device->volume_handle); |
| mpt2sas_config_get_volume_wwid(ioc, |
| sas_device->volume_handle, |
| &sas_device->volume_wwid); |
| } |
| if (sas_device->device_info & MPI2_SAS_DEVICE_INFO_SSP_TARGET) { |
| qdepth = MPT2SAS_SAS_QUEUE_DEPTH; |
| ssp_target = 1; |
| ds = "SSP"; |
| } else { |
| qdepth = MPT2SAS_SATA_QUEUE_DEPTH; |
| if (sas_device->device_info & |
| MPI2_SAS_DEVICE_INFO_STP_TARGET) |
| ds = "STP"; |
| else if (sas_device->device_info & |
| MPI2_SAS_DEVICE_INFO_SATA_DEVICE) |
| ds = "SATA"; |
| } |
| |
| sdev_printk(KERN_INFO, sdev, "%s: handle(0x%04x), " |
| "sas_addr(0x%016llx), phy(%d), device_name(0x%016llx)\n", |
| ds, sas_device->handle, |
| (unsigned long long)sas_device->sas_address, |
| sas_device->phy, |
| (unsigned long long)sas_device->device_name); |
| sdev_printk(KERN_INFO, sdev, "%s: " |
| "enclosure_logical_id(0x%016llx), slot(%d)\n", ds, |
| (unsigned long long) sas_device->enclosure_logical_id, |
| sas_device->slot); |
| |
| if (!ssp_target) |
| _scsih_display_sata_capabilities(ioc, sas_device, sdev); |
| } |
| |
| _scsih_change_queue_depth(sdev, qdepth, SCSI_QDEPTH_DEFAULT); |
| |
| if (ssp_target) { |
| sas_read_port_mode_page(sdev); |
| _scsih_enable_tlr(ioc, sdev); |
| } |
| return 0; |
| } |
| |
| /** |
| * _scsih_bios_param - fetch head, sector, cylinder info for a disk |
| * @sdev: scsi device struct |
| * @bdev: pointer to block device context |
| * @capacity: device size (in 512 byte sectors) |
| * @params: three element array to place output: |
| * params[0] number of heads (max 255) |
| * params[1] number of sectors (max 63) |
| * params[2] number of cylinders |
| * |
| * Return nothing. |
| */ |
| static int |
| _scsih_bios_param(struct scsi_device *sdev, struct block_device *bdev, |
| sector_t capacity, int params[]) |
| { |
| int heads; |
| int sectors; |
| sector_t cylinders; |
| ulong dummy; |
| |
| heads = 64; |
| sectors = 32; |
| |
| dummy = heads * sectors; |
| cylinders = capacity; |
| sector_div(cylinders, dummy); |
| |
| /* |
| * Handle extended translation size for logical drives |
| * > 1Gb |
| */ |
| if ((ulong)capacity >= 0x200000) { |
| heads = 255; |
| sectors = 63; |
| dummy = heads * sectors; |
| cylinders = capacity; |
| sector_div(cylinders, dummy); |
| } |
| |
| /* return result */ |
| params[0] = heads; |
| params[1] = sectors; |
| params[2] = cylinders; |
| |
| return 0; |
| } |
| |
| /** |
| * _scsih_response_code - translation of device response code |
| * @ioc: per adapter object |
| * @response_code: response code returned by the device |
| * |
| * Return nothing. |
| */ |
| static void |
| _scsih_response_code(struct MPT2SAS_ADAPTER *ioc, u8 response_code) |
| { |
| char *desc; |
| |
| switch (response_code) { |
| case MPI2_SCSITASKMGMT_RSP_TM_COMPLETE: |
| desc = "task management request completed"; |
| break; |
| case MPI2_SCSITASKMGMT_RSP_INVALID_FRAME: |
| desc = "invalid frame"; |
| break; |
| case MPI2_SCSITASKMGMT_RSP_TM_NOT_SUPPORTED: |
| desc = "task management request not supported"; |
| break; |
| case MPI2_SCSITASKMGMT_RSP_TM_FAILED: |
| desc = "task management request failed"; |
| break; |
| case MPI2_SCSITASKMGMT_RSP_TM_SUCCEEDED: |
| desc = "task management request succeeded"; |
| break; |
| case MPI2_SCSITASKMGMT_RSP_TM_INVALID_LUN: |
| desc = "invalid lun"; |
| break; |
| case 0xA: |
| desc = "overlapped tag attempted"; |
| break; |
| case MPI2_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC: |
| desc = "task queued, however not sent to target"; |
| break; |
| default: |
| desc = "unknown"; |
| break; |
| } |
| printk(MPT2SAS_WARN_FMT "response_code(0x%01x): %s\n", |
| ioc->name, response_code, desc); |
| } |
| |
| /** |
| * _scsih_tm_done - tm completion routine |
| * @ioc: per adapter object |
| * @smid: system request message index |
| * @msix_index: MSIX table index supplied by the OS |
| * @reply: reply message frame(lower 32bit addr) |
| * Context: none. |
| * |
| * The callback handler when using scsih_issue_tm. |
| * |
| * Return 1 meaning mf should be freed from _base_interrupt |
| * 0 means the mf is freed from this function. |
| */ |
| static u8 |
| _scsih_tm_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index, u32 reply) |
| { |
| MPI2DefaultReply_t *mpi_reply; |
| |
| if (ioc->tm_cmds.status == MPT2_CMD_NOT_USED) |
| return 1; |
| if (ioc->tm_cmds.smid != smid) |
| return 1; |
| ioc->tm_cmds.status |= MPT2_CMD_COMPLETE; |
| mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply); |
| if (mpi_reply) { |
| memcpy(ioc->tm_cmds.reply, mpi_reply, mpi_reply->MsgLength*4); |
| ioc->tm_cmds.status |= MPT2_CMD_REPLY_VALID; |
| } |
| ioc->tm_cmds.status &= ~MPT2_CMD_PENDING; |
| complete(&ioc->tm_cmds.done); |
| return 1; |
| } |
| |
| /** |
| * mpt2sas_scsih_set_tm_flag - set per target tm_busy |
| * @ioc: per adapter object |
| * @handle: device handle |
| * |
| * During taskmangement request, we need to freeze the device queue. |
| */ |
| void |
| mpt2sas_scsih_set_tm_flag(struct MPT2SAS_ADAPTER *ioc, u16 handle) |
| { |
| struct MPT2SAS_DEVICE *sas_device_priv_data; |
| struct scsi_device *sdev; |
| u8 skip = 0; |
| |
| shost_for_each_device(sdev, ioc->shost) { |
| if (skip) |
| continue; |
| sas_device_priv_data = sdev->hostdata; |
| if (!sas_device_priv_data) |
| continue; |
| if (sas_device_priv_data->sas_target->handle == handle) { |
| sas_device_priv_data->sas_target->tm_busy = 1; |
| skip = 1; |
| ioc->ignore_loginfos = 1; |
| } |
| } |
| } |
| |
| /** |
| * mpt2sas_scsih_clear_tm_flag - clear per target tm_busy |
| * @ioc: per adapter object |
| * @handle: device handle |
| * |
| * During taskmangement request, we need to freeze the device queue. |
| */ |
| void |
| mpt2sas_scsih_clear_tm_flag(struct MPT2SAS_ADAPTER *ioc, u16 handle) |
| { |
| struct MPT2SAS_DEVICE *sas_device_priv_data; |
| struct scsi_device *sdev; |
| u8 skip = 0; |
| |
| shost_for_each_device(sdev, ioc->shost) { |
| if (skip) |
| continue; |
| sas_device_priv_data = sdev->hostdata; |
| if (!sas_device_priv_data) |
| continue; |
| if (sas_device_priv_data->sas_target->handle == handle) { |
| sas_device_priv_data->sas_target->tm_busy = 0; |
| skip = 1; |
| ioc->ignore_loginfos = 0; |
| } |
| } |
| } |
| |
| |
| /** |
| * mpt2sas_scsih_issue_tm - main routine for sending tm requests |
| * @ioc: per adapter struct |
| * @device_handle: device handle |
| * @channel: the channel assigned by the OS |
| * @id: the id assigned by the OS |
| * @lun: lun number |
| * @type: MPI2_SCSITASKMGMT_TASKTYPE__XXX (defined in mpi2_init.h) |
| * @smid_task: smid assigned to the task |
| * @timeout: timeout in seconds |
| * Context: user |
| * |
| * A generic API for sending task management requests to firmware. |
| * |
| * The callback index is set inside `ioc->tm_cb_idx`. |
| * |
| * Return SUCCESS or FAILED. |
| */ |
| int |
| mpt2sas_scsih_issue_tm(struct MPT2SAS_ADAPTER *ioc, u16 handle, uint channel, |
| uint id, uint lun, u8 type, u16 smid_task, ulong timeout, |
| struct scsi_cmnd *scmd) |
| { |
| Mpi2SCSITaskManagementRequest_t *mpi_request; |
| Mpi2SCSITaskManagementReply_t *mpi_reply; |
| u16 smid = 0; |
| u32 ioc_state; |
| unsigned long timeleft; |
| struct scsi_cmnd *scmd_lookup; |
| int rc; |
| |
| mutex_lock(&ioc->tm_cmds.mutex); |
| if (ioc->tm_cmds.status != MPT2_CMD_NOT_USED) { |
| printk(MPT2SAS_INFO_FMT "%s: tm_cmd busy!!!\n", |
| __func__, ioc->name); |
| rc = FAILED; |
| goto err_out; |
| } |
| |
| if (ioc->shost_recovery || ioc->remove_host) { |
| printk(MPT2SAS_INFO_FMT "%s: host reset in progress!\n", |
| __func__, ioc->name); |
| rc = FAILED; |
| goto err_out; |
| } |
| |
| ioc_state = mpt2sas_base_get_iocstate(ioc, 0); |
| if (ioc_state & MPI2_DOORBELL_USED) { |
| dhsprintk(ioc, printk(MPT2SAS_INFO_FMT "unexpected doorbell " |
| "active!\n", ioc->name)); |
| mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, |
| FORCE_BIG_HAMMER); |
| rc = SUCCESS; |
| goto err_out; |
| } |
| |
| if ((ioc_state & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_FAULT) { |
| mpt2sas_base_fault_info(ioc, ioc_state & |
| MPI2_DOORBELL_DATA_MASK); |
| mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, |
| FORCE_BIG_HAMMER); |
| rc = SUCCESS; |
| goto err_out; |
| } |
| |
| smid = mpt2sas_base_get_smid_hpr(ioc, ioc->tm_cb_idx); |
| if (!smid) { |
| printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", |
| ioc->name, __func__); |
| rc = FAILED; |
| goto err_out; |
| } |
| |
| dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "sending tm: handle(0x%04x)," |
| " task_type(0x%02x), smid(%d)\n", ioc->name, handle, type, |
| smid_task)); |
| ioc->tm_cmds.status = MPT2_CMD_PENDING; |
| mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); |
| ioc->tm_cmds.smid = smid; |
| memset(mpi_request, 0, sizeof(Mpi2SCSITaskManagementRequest_t)); |
| mpi_request->Function = MPI2_FUNCTION_SCSI_TASK_MGMT; |
| mpi_request->DevHandle = cpu_to_le16(handle); |
| mpi_request->TaskType = type; |
| mpi_request->TaskMID = cpu_to_le16(smid_task); |
| int_to_scsilun(lun, (struct scsi_lun *)mpi_request->LUN); |
| mpt2sas_scsih_set_tm_flag(ioc, handle); |
| init_completion(&ioc->tm_cmds.done); |
| mpt2sas_base_put_smid_hi_priority(ioc, smid); |
| timeleft = wait_for_completion_timeout(&ioc->tm_cmds.done, timeout*HZ); |
| if (!(ioc->tm_cmds.status & MPT2_CMD_COMPLETE)) { |
| printk(MPT2SAS_ERR_FMT "%s: timeout\n", |
| ioc->name, __func__); |
| _debug_dump_mf(mpi_request, |
| sizeof(Mpi2SCSITaskManagementRequest_t)/4); |
| if (!(ioc->tm_cmds.status & MPT2_CMD_RESET)) { |
| mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, |
| FORCE_BIG_HAMMER); |
| rc = SUCCESS; |
| ioc->tm_cmds.status = MPT2_CMD_NOT_USED; |
| mpt2sas_scsih_clear_tm_flag(ioc, handle); |
| goto err_out; |
| } |
| } |
| |
| if (ioc->tm_cmds.status & MPT2_CMD_REPLY_VALID) { |
| mpi_reply = ioc->tm_cmds.reply; |
| dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "complete tm: " |
| "ioc_status(0x%04x), loginfo(0x%08x), term_count(0x%08x)\n", |
| ioc->name, le16_to_cpu(mpi_reply->IOCStatus), |
| le32_to_cpu(mpi_reply->IOCLogInfo), |
| le32_to_cpu(mpi_reply->TerminationCount))); |
| if (ioc->logging_level & MPT_DEBUG_TM) { |
| _scsih_response_code(ioc, mpi_reply->ResponseCode); |
| if (mpi_reply->IOCStatus) |
| _debug_dump_mf(mpi_request, |
| sizeof(Mpi2SCSITaskManagementRequest_t)/4); |
| } |
| } |
| |
| /* sanity check: |
| * Check to see the commands were terminated. |
| * This is only needed for eh callbacks, hence the scmd check. |
| */ |
| rc = FAILED; |
| if (scmd == NULL) |
| goto bypass_sanity_checks; |
| switch (type) { |
| case MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK: |
| scmd_lookup = _scsih_scsi_lookup_get(ioc, smid_task); |
| if (scmd_lookup && (scmd_lookup->serial_number == |
| scmd->serial_number)) |
| rc = FAILED; |
| else |
| rc = SUCCESS; |
| break; |
| |
| case MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET: |
| if (_scsih_scsi_lookup_find_by_target(ioc, id, channel)) |
| rc = FAILED; |
| else |
| rc = SUCCESS; |
| break; |
| |
| case MPI2_SCSITASKMGMT_TASKTYPE_LOGICAL_UNIT_RESET: |
| if (_scsih_scsi_lookup_find_by_lun(ioc, id, lun, channel)) |
| rc = FAILED; |
| else |
| rc = SUCCESS; |
| break; |
| } |
| |
| bypass_sanity_checks: |
| |
| mpt2sas_scsih_clear_tm_flag(ioc, handle); |
| ioc->tm_cmds.status = MPT2_CMD_NOT_USED; |
| mutex_unlock(&ioc->tm_cmds.mutex); |
| |
| return rc; |
| |
| err_out: |
| mutex_unlock(&ioc->tm_cmds.mutex); |
| return rc; |
| } |
| |
| /** |
| * _scsih_abort - eh threads main abort routine |
| * @sdev: scsi device struct |
| * |
| * Returns SUCCESS if command aborted else FAILED |
| */ |
| static int |
| _scsih_abort(struct scsi_cmnd *scmd) |
| { |
| struct MPT2SAS_ADAPTER *ioc = shost_priv(scmd->device->host); |
| struct MPT2SAS_DEVICE *sas_device_priv_data; |
| u16 smid; |
| u16 handle; |
| int r; |
| |
| printk(MPT2SAS_INFO_FMT "attempting task abort! scmd(%p)\n", |
| ioc->name, scmd); |
| scsi_print_command(scmd); |
| |
| sas_device_priv_data = scmd->device->hostdata; |
| if (!sas_device_priv_data || !sas_device_priv_data->sas_target) { |
| printk(MPT2SAS_INFO_FMT "device been deleted! scmd(%p)\n", |
| ioc->name, scmd); |
| scmd->result = DID_NO_CONNECT << 16; |
| scmd->scsi_done(scmd); |
| r = SUCCESS; |
| goto out; |
| } |
| |
| /* search for the command */ |
| smid = _scsih_scsi_lookup_find_by_scmd(ioc, scmd); |
| if (!smid) { |
| scmd->result = DID_RESET << 16; |
| r = SUCCESS; |
| goto out; |
| } |
| |
| /* for hidden raid components and volumes this is not supported */ |
| if (sas_device_priv_data->sas_target->flags & |
| MPT_TARGET_FLAGS_RAID_COMPONENT || |
| sas_device_priv_data->sas_target->flags & MPT_TARGET_FLAGS_VOLUME) { |
| scmd->result = DID_RESET << 16; |
| r = FAILED; |
| goto out; |
| } |
| |
| mpt2sas_halt_firmware(ioc); |
| |
| handle = sas_device_priv_data->sas_target->handle; |
| r = mpt2sas_scsih_issue_tm(ioc, handle, scmd->device->channel, |
| scmd->device->id, scmd->device->lun, |
| MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK, smid, 30, scmd); |
| |
| out: |
| printk(MPT2SAS_INFO_FMT "task abort: %s scmd(%p)\n", |
| ioc->name, ((r == SUCCESS) ? "SUCCESS" : "FAILED"), scmd); |
| return r; |
| } |
| |
| /** |
| * _scsih_dev_reset - eh threads main device reset routine |
| * @sdev: scsi device struct |
| * |
| * Returns SUCCESS if command aborted else FAILED |
| */ |
| static int |
| _scsih_dev_reset(struct scsi_cmnd *scmd) |
| { |
| struct MPT2SAS_ADAPTER *ioc = shost_priv(scmd->device->host); |
| struct MPT2SAS_DEVICE *sas_device_priv_data; |
| struct _sas_device *sas_device; |
| unsigned long flags; |
| u16 handle; |
| int r; |
| |
| printk(MPT2SAS_INFO_FMT "attempting device reset! scmd(%p)\n", |
| ioc->name, scmd); |
| scsi_print_command(scmd); |
| |
| sas_device_priv_data = scmd->device->hostdata; |
| if (!sas_device_priv_data || !sas_device_priv_data->sas_target) { |
| printk(MPT2SAS_INFO_FMT "device been deleted! scmd(%p)\n", |
| ioc->name, scmd); |
| scmd->result = DID_NO_CONNECT << 16; |
| scmd->scsi_done(scmd); |
| r = SUCCESS; |
| goto out; |
| } |
| |
| /* for hidden raid components obtain the volume_handle */ |
| handle = 0; |
| if (sas_device_priv_data->sas_target->flags & |
| MPT_TARGET_FLAGS_RAID_COMPONENT) { |
| spin_lock_irqsave(&ioc->sas_device_lock, flags); |
| sas_device = _scsih_sas_device_find_by_handle(ioc, |
| sas_device_priv_data->sas_target->handle); |
| if (sas_device) |
| handle = sas_device->volume_handle; |
| spin_unlock_irqrestore(&ioc->sas_device_lock, flags); |
| } else |
| handle = sas_device_priv_data->sas_target->handle; |
| |
| if (!handle) { |
| scmd->result = DID_RESET << 16; |
| r = FAILED; |
| goto out; |
| } |
| |
| r = mpt2sas_scsih_issue_tm(ioc, handle, scmd->device->channel, |
| scmd->device->id, scmd->device->lun, |
| MPI2_SCSITASKMGMT_TASKTYPE_LOGICAL_UNIT_RESET, 0, 30, scmd); |
| |
| out: |
| printk(MPT2SAS_INFO_FMT "device reset: %s scmd(%p)\n", |
| ioc->name, ((r == SUCCESS) ? "SUCCESS" : "FAILED"), scmd); |
| return r; |
| } |
| |
| /** |
| * _scsih_target_reset - eh threads main target reset routine |
| * @sdev: scsi device struct |
| * |
| * Returns SUCCESS if command aborted else FAILED |
| */ |
| static int |
| _scsih_target_reset(struct scsi_cmnd *scmd) |
| { |
| struct MPT2SAS_ADAPTER *ioc = shost_priv(scmd->device->host); |
| struct MPT2SAS_DEVICE *sas_device_priv_data; |
| struct _sas_device *sas_device; |
| unsigned long flags; |
| u16 handle; |
| int r; |
| |
| printk(MPT2SAS_INFO_FMT "attempting target reset! scmd(%p)\n", |
| ioc->name, scmd); |
| scsi_print_command(scmd); |
| |
| sas_device_priv_data = scmd->device->hostdata; |
| if (!sas_device_priv_data || !sas_device_priv_data->sas_target) { |
| printk(MPT2SAS_INFO_FMT "target been deleted! scmd(%p)\n", |
| ioc->name, scmd); |
| scmd->result = DID_NO_CONNECT << 16; |
| scmd->scsi_done(scmd); |
| r = SUCCESS; |
| goto out; |
| } |
| |
| /* for hidden raid components obtain the volume_handle */ |
| handle = 0; |
| if (sas_device_priv_data->sas_target->flags & |
| MPT_TARGET_FLAGS_RAID_COMPONENT) { |
| spin_lock_irqsave(&ioc->sas_device_lock, flags); |
| sas_device = _scsih_sas_device_find_by_handle(ioc, |
| sas_device_priv_data->sas_target->handle); |
| if (sas_device) |
| handle = sas_device->volume_handle; |
| spin_unlock_irqrestore(&ioc->sas_device_lock, flags); |
| } else |
| handle = sas_device_priv_data->sas_target->handle; |
| |
| if (!handle) { |
| scmd->result = DID_RESET << 16; |
| r = FAILED; |
| goto out; |
| } |
| |
| r = mpt2sas_scsih_issue_tm(ioc, handle, scmd->device->channel, |
| scmd->device->id, 0, MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET, 0, |
| 30, scmd); |
| |
| out: |
| printk(MPT2SAS_INFO_FMT "target reset: %s scmd(%p)\n", |
| ioc->name, ((r == SUCCESS) ? "SUCCESS" : "FAILED"), scmd); |
| return r; |
| } |
| |
| /** |
| * _scsih_host_reset - eh threads main host reset routine |
| * @sdev: scsi device struct |
| * |
| * Returns SUCCESS if command aborted else FAILED |
| */ |
| static int |
| _scsih_host_reset(struct scsi_cmnd *scmd) |
| { |
| struct MPT2SAS_ADAPTER *ioc = shost_priv(scmd->device->host); |
| int r, retval; |
| |
| printk(MPT2SAS_INFO_FMT "attempting host reset! scmd(%p)\n", |
| ioc->name, scmd); |
| scsi_print_command(scmd); |
| |
| retval = mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, |
| FORCE_BIG_HAMMER); |
| r = (retval < 0) ? FAILED : SUCCESS; |
| printk(MPT2SAS_INFO_FMT "host reset: %s scmd(%p)\n", |
| ioc->name, ((r == SUCCESS) ? "SUCCESS" : "FAILED"), scmd); |
| |
| return r; |
| } |
| |
| /** |
| * _scsih_fw_event_add - insert and queue up fw_event |
| * @ioc: per adapter object |
| * @fw_event: object describing the event |
| * Context: This function will acquire ioc->fw_event_lock. |
| * |
| * This adds the firmware event object into link list, then queues it up to |
| * be processed from user context. |
| * |
| * Return nothing. |
| */ |
| static void |
| _scsih_fw_event_add(struct MPT2SAS_ADAPTER *ioc, struct fw_event_work *fw_event) |
| { |
| unsigned long flags; |
| |
| if (ioc->firmware_event_thread == NULL) |
| return; |
| |
| spin_lock_irqsave(&ioc->fw_event_lock, flags); |
| list_add_tail(&fw_event->list, &ioc->fw_event_list); |
| INIT_DELAYED_WORK(&fw_event->delayed_work, _firmware_event_work); |
| queue_delayed_work(ioc->firmware_event_thread, |
| &fw_event->delayed_work, 0); |
| spin_unlock_irqrestore(&ioc->fw_event_lock, flags); |
| } |
| |
| /** |
| * _scsih_fw_event_free - delete fw_event |
| * @ioc: per adapter object |
| * @fw_event: object describing the event |
| * Context: This function will acquire ioc->fw_event_lock. |
| * |
| * This removes firmware event object from link list, frees associated memory. |
| * |
| * Return nothing. |
| */ |
| static void |
| _scsih_fw_event_free(struct MPT2SAS_ADAPTER *ioc, struct fw_event_work |
| *fw_event) |
| { |
| unsigned long flags; |
| |
| spin_lock_irqsave(&ioc->fw_event_lock, flags); |
| list_del(&fw_event->list); |
| kfree(fw_event->event_data); |
| kfree(fw_event); |
| spin_unlock_irqrestore(&ioc->fw_event_lock, flags); |
| } |
| |
| |
| /** |
| * _scsih_queue_rescan - queue a topology rescan from user context |
| * @ioc: per adapter object |
| * |
| * Return nothing. |
| */ |
| static void |
| _scsih_queue_rescan(struct MPT2SAS_ADAPTER *ioc) |
| { |
| struct fw_event_work *fw_event; |
| |
| if (ioc->wait_for_port_enable_to_complete) |
| return; |
| fw_event = kzalloc(sizeof(struct fw_event_work), GFP_ATOMIC); |
| if (!fw_event) |
| return; |
| fw_event->event = MPT2SAS_RESCAN_AFTER_HOST_RESET; |
| fw_event->ioc = ioc; |
| _scsih_fw_event_add(ioc, fw_event); |
| } |
| |
| /** |
| * _scsih_fw_event_cleanup_queue - cleanup event queue |
| * @ioc: per adapter object |
| * |
| * Walk the firmware event queue, either killing timers, or waiting |
| * for outstanding events to complete |
| * |
| * Return nothing. |
| */ |
| static void |
| _scsih_fw_event_cleanup_queue(struct MPT2SAS_ADAPTER *ioc) |
| { |
| struct fw_event_work *fw_event, *next; |
| |
| if (list_empty(&ioc->fw_event_list) || |
| !ioc->firmware_event_thread || in_interrupt()) |
| return; |
| |
| list_for_each_entry_safe(fw_event, next, &ioc->fw_event_list, list) { |
| if (cancel_delayed_work(&fw_event->delayed_work)) { |
| _scsih_fw_event_free(ioc, fw_event); |
| continue; |
| } |
| fw_event->cancel_pending_work = 1; |
| } |
| } |
| |
| /** |
| * _scsih_ublock_io_device - set the device state to SDEV_RUNNING |
| * @ioc: per adapter object |
| * @handle: device handle |
| * |
| * During device pull we need to appropiately set the sdev state. |
| */ |
| static void |
| _scsih_ublock_io_device(struct MPT2SAS_ADAPTER *ioc, u16 handle) |
| { |
| struct MPT2SAS_DEVICE *sas_device_priv_data; |
| struct scsi_device *sdev; |
| |
| shost_for_each_device(sdev, ioc->shost) { |
| sas_device_priv_data = sdev->hostdata; |
| if (!sas_device_priv_data) |
| continue; |
| if (!sas_device_priv_data->block) |
| continue; |
| if (sas_device_priv_data->sas_target->handle == handle) { |
| dewtprintk(ioc, sdev_printk(KERN_INFO, sdev, |
| MPT2SAS_INFO_FMT "SDEV_RUNNING: " |
| "handle(0x%04x)\n", ioc->name, handle)); |
| sas_device_priv_data->block = 0; |
| scsi_internal_device_unblock(sdev); |
| } |
| } |
| } |
| |
| /** |
| * _scsih_block_io_device - set the device state to SDEV_BLOCK |
| * @ioc: per adapter object |
| * @handle: device handle |
| * |
| * During device pull we need to appropiately set the sdev state. |
| */ |
| static void |
| _scsih_block_io_device(struct MPT2SAS_ADAPTER *ioc, u16 handle) |
| { |
| struct MPT2SAS_DEVICE *sas_device_priv_data; |
| struct scsi_device *sdev; |
| |
| shost_for_each_device(sdev, ioc->shost) { |
| sas_device_priv_data = sdev->hostdata; |
| if (!sas_device_priv_data) |
| continue; |
| if (sas_device_priv_data->block) |
| continue; |
| if (sas_device_priv_data->sas_target->handle == handle) { |
| dewtprintk(ioc, sdev_printk(KERN_INFO, sdev, |
| MPT2SAS_INFO_FMT "SDEV_BLOCK: " |
| "handle(0x%04x)\n", ioc->name, handle)); |
| sas_device_priv_data->block = 1; |
| scsi_internal_device_block(sdev); |
| } |
| } |
| } |
| |
| /** |
| * _scsih_block_io_to_children_attached_to_ex |
| * @ioc: per adapter object |
| * @sas_expander: the sas_device object |
| * |
| * This routine set sdev state to SDEV_BLOCK for all devices |
| * attached to this expander. This function called when expander is |
| * pulled. |
| */ |
| static void |
| _scsih_block_io_to_children_attached_to_ex(struct MPT2SAS_ADAPTER *ioc, |
| struct _sas_node *sas_expander) |
| { |
| struct _sas_port *mpt2sas_port; |
| struct _sas_device *sas_device; |
| struct _sas_node *expander_sibling; |
| unsigned long flags; |
| |
| if (!sas_expander) |
| return; |
| |
| list_for_each_entry(mpt2sas_port, |
| &sas_expander->sas_port_list, port_list) { |
| if (mpt2sas_port->remote_identify.device_type == |
| SAS_END_DEVICE) { |
| spin_lock_irqsave(&ioc->sas_device_lock, flags); |
| sas_device = |
| mpt2sas_scsih_sas_device_find_by_sas_address(ioc, |
| mpt2sas_port->remote_identify.sas_address); |
| spin_unlock_irqrestore(&ioc->sas_device_lock, flags); |
| if (!sas_device) |
| continue; |
| _scsih_block_io_device(ioc, sas_device->handle); |
| } |
| } |
| |
| list_for_each_entry(mpt2sas_port, |
| &sas_expander->sas_port_list, port_list) { |
| |
| if (mpt2sas_port->remote_identify.device_type == |
| MPI2_SAS_DEVICE_INFO_EDGE_EXPANDER || |
| mpt2sas_port->remote_identify.device_type == |
| MPI2_SAS_DEVICE_INFO_FANOUT_EXPANDER) { |
| |
| spin_lock_irqsave(&ioc->sas_node_lock, flags); |
| expander_sibling = |
| mpt2sas_scsih_expander_find_by_sas_address( |
| ioc, mpt2sas_port->remote_identify.sas_address); |
| spin_unlock_irqrestore(&ioc->sas_node_lock, flags); |
| _scsih_block_io_to_children_attached_to_ex(ioc, |
| expander_sibling); |
| } |
| } |
| } |
| |
| /** |
| * _scsih_block_io_to_children_attached_directly |
| * @ioc: per adapter object |
| * @event_data: topology change event data |
| * |
| * This routine set sdev state to SDEV_BLOCK for all devices |
| * direct attached during device pull. |
| */ |
| static void |
| _scsih_block_io_to_children_attached_directly(struct MPT2SAS_ADAPTER *ioc, |
| Mpi2EventDataSasTopologyChangeList_t *event_data) |
| { |
| int i; |
| u16 handle; |
| u16 reason_code; |
| u8 phy_number; |
| |
| for (i = 0; i < event_data->NumEntries; i++) { |
| handle = le16_to_cpu(event_data->PHY[i].AttachedDevHandle); |
| if (!handle) |
| continue; |
| phy_number = event_data->StartPhyNum + i; |
| reason_code = event_data->PHY[i].PhyStatus & |
| MPI2_EVENT_SAS_TOPO_RC_MASK; |
| if (reason_code == MPI2_EVENT_SAS_TOPO_RC_DELAY_NOT_RESPONDING) |
| _scsih_block_io_device(ioc, handle); |
| } |
| } |
| |
| /** |
| * _scsih_tm_tr_send - send task management request |
| * @ioc: per adapter object |
| * @handle: device handle |
| * Context: interrupt time. |
| * |
| * This code is to initiate the device removal handshake protocal |
| * with controller firmware. This function will issue target reset |
| * using high priority request queue. It will send a sas iounit |
| * controll request (MPI2_SAS_OP_REMOVE_DEVICE) from this completion. |
| * |
| * This is designed to send muliple task management request at the same |
| * time to the fifo. If the fifo is full, we will append the request, |
| * and process it in a future completion. |
| */ |
| static void |
| _scsih_tm_tr_send(struct MPT2SAS_ADAPTER *ioc, u16 handle) |
| { |
| Mpi2SCSITaskManagementRequest_t *mpi_request; |
| u16 smid; |
| struct _sas_device *sas_device; |
| struct MPT2SAS_TARGET *sas_target_priv_data; |
| unsigned long flags; |
| struct _tr_list *delayed_tr; |
| |
| if (ioc->shost_recovery || ioc->remove_host) { |
| dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: host reset in " |
| "progress!\n", __func__, ioc->name)); |
| return; |
| } |
| |
| /* if PD, then return */ |
| if (test_bit(handle, ioc->pd_handles)) |
| return; |
| |
| spin_lock_irqsave(&ioc->sas_device_lock, flags); |
| sas_device = _scsih_sas_device_find_by_handle(ioc, handle); |
| if (sas_device && sas_device->starget && |
| sas_device->starget->hostdata) { |
| sas_target_priv_data = sas_device->starget->hostdata; |
| sas_target_priv_data->deleted = 1; |
| dewtprintk(ioc, printk(MPT2SAS_INFO_FMT |
| "setting delete flag: handle(0x%04x), " |
| "sas_addr(0x%016llx)\n", ioc->name, handle, |
| (unsigned long long) sas_device->sas_address)); |
| } |
| spin_unlock_irqrestore(&ioc->sas_device_lock, flags); |
| |
| smid = mpt2sas_base_get_smid_hpr(ioc, ioc->tm_tr_cb_idx); |
| if (!smid) { |
| delayed_tr = kzalloc(sizeof(*delayed_tr), GFP_ATOMIC); |
| if (!delayed_tr) |
| return; |
| INIT_LIST_HEAD(&delayed_tr->list); |
| delayed_tr->handle = handle; |
| list_add_tail(&delayed_tr->list, &ioc->delayed_tr_list); |
| dewtprintk(ioc, printk(MPT2SAS_INFO_FMT |
| "DELAYED:tr:handle(0x%04x), (open)\n", |
| ioc->name, handle)); |
| return; |
| } |
| |
| dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "tr_send:handle(0x%04x), " |
| "(open), smid(%d), cb(%d)\n", ioc->name, handle, smid, |
| ioc->tm_tr_cb_idx)); |
| mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); |
| memset(mpi_request, 0, sizeof(Mpi2SCSITaskManagementRequest_t)); |
| mpi_request->Function = MPI2_FUNCTION_SCSI_TASK_MGMT; |
| mpi_request->DevHandle = cpu_to_le16(handle); |
| mpi_request->TaskType = MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET; |
| mpt2sas_base_put_smid_hi_priority(ioc, smid); |
| } |
| |
| |
| |
| /** |
| * _scsih_sas_control_complete - completion routine |
| * @ioc: per adapter object |
| * @smid: system request message index |
| * @msix_index: MSIX table index supplied by the OS |
| * @reply: reply message frame(lower 32bit addr) |
| * Context: interrupt time. |
| * |
| * This is the sas iounit controll completion routine. |
| * This code is part of the code to initiate the device removal |
| * handshake protocal with controller firmware. |
| * |
| * Return 1 meaning mf should be freed from _base_interrupt |
| * 0 means the mf is freed from this function. |
| */ |
| static u8 |
| _scsih_sas_control_complete(struct MPT2SAS_ADAPTER *ioc, u16 smid, |
| u8 msix_index, u32 reply) |
| { |
| Mpi2SasIoUnitControlReply_t *mpi_reply = |
| mpt2sas_base_get_reply_virt_addr(ioc, reply); |
| |
| dewtprintk(ioc, printk(MPT2SAS_INFO_FMT |
| "sc_complete:handle(0x%04x), (open) " |
| "smid(%d), ioc_status(0x%04x), loginfo(0x%08x)\n", |
| ioc->name, le16_to_cpu(mpi_reply->DevHandle), smid, |
| le16_to_cpu(mpi_reply->IOCStatus), |
| le32_to_cpu(mpi_reply->IOCLogInfo))); |
| return 1; |
| } |
| |
| /** |
| * _scsih_tm_tr_volume_send - send target reset request for volumes |
| * @ioc: per adapter object |
| * @handle: device handle |
| * Context: interrupt time. |
| * |
| * This is designed to send muliple task management request at the same |
| * time to the fifo. If the fifo is full, we will append the request, |
| * and process it in a future completion. |
| */ |
| static void |
| _scsih_tm_tr_volume_send(struct MPT2SAS_ADAPTER *ioc, u16 handle) |
| { |
| Mpi2SCSITaskManagementRequest_t *mpi_request; |
| u16 smid; |
| struct _tr_list *delayed_tr; |
| |
| if (ioc->shost_recovery || ioc->remove_host) { |
| dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: host reset in " |
| "progress!\n", __func__, ioc->name)); |
| return; |
| } |
| |
| smid = mpt2sas_base_get_smid_hpr(ioc, ioc->tm_tr_volume_cb_idx); |
| if (!smid) { |
| delayed_tr = kzalloc(sizeof(*delayed_tr), GFP_ATOMIC); |
| if (!delayed_tr) |
| return; |
| INIT_LIST_HEAD(&delayed_tr->list); |
| delayed_tr->handle = handle; |
| list_add_tail(&delayed_tr->list, &ioc->delayed_tr_volume_list); |
| dewtprintk(ioc, printk(MPT2SAS_INFO_FMT |
| "DELAYED:tr:handle(0x%04x), (open)\n", |
| ioc->name, handle)); |
| return; |
| } |
| |
| dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "tr_send:handle(0x%04x), " |
| "(open), smid(%d), cb(%d)\n", ioc->name, handle, smid, |
| ioc->tm_tr_volume_cb_idx)); |
| mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); |
| memset(mpi_request, 0, sizeof(Mpi2SCSITaskManagementRequest_t)); |
| mpi_request->Function = MPI2_FUNCTION_SCSI_TASK_MGMT; |
| mpi_request->DevHandle = cpu_to_le16(handle); |
| mpi_request->TaskType = MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET; |
| mpt2sas_base_put_smid_hi_priority(ioc, smid); |
| } |
| |
| /** |
| * _scsih_tm_volume_tr_complete - target reset completion |
| * @ioc: per adapter object |
| * @smid: system request message index |
| * @msix_index: MSIX table index supplied by the OS |
| * @reply: reply message frame(lower 32bit addr) |
| * Context: interrupt time. |
| * |
| * Return 1 meaning mf should be freed from _base_interrupt |
| * 0 means the mf is freed from this function. |
| */ |
| static u8 |
| _scsih_tm_volume_tr_complete(struct MPT2SAS_ADAPTER *ioc, u16 smid, |
| u8 msix_index, u32 reply) |
| { |
| u16 handle; |
| Mpi2SCSITaskManagementRequest_t *mpi_request_tm; |
| Mpi2SCSITaskManagementReply_t *mpi_reply = |
| mpt2sas_base_get_reply_virt_addr(ioc, reply); |
| |
| if (ioc->shost_recovery || ioc->remove_host) { |
| dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: host reset in " |
| "progress!\n", __func__, ioc->name)); |
| return 1; |
| } |
| |
| mpi_request_tm = mpt2sas_base_get_msg_frame(ioc, smid); |
| handle = le16_to_cpu(mpi_request_tm->DevHandle); |
| if (handle != le16_to_cpu(mpi_reply->DevHandle)) { |
| dewtprintk(ioc, printk("spurious interrupt: " |
| "handle(0x%04x:0x%04x), smid(%d)!!!\n", handle, |
| le16_to_cpu(mpi_reply->DevHandle), smid)); |
| return 0; |
| } |
| |
| dewtprintk(ioc, printk(MPT2SAS_INFO_FMT |
| "tr_complete:handle(0x%04x), (open) smid(%d), ioc_status(0x%04x), " |
| "loginfo(0x%08x), completed(%d)\n", ioc->name, |
| handle, smid, le16_to_cpu(mpi_reply->IOCStatus), |
| le32_to_cpu(mpi_reply->IOCLogInfo), |
| le32_to_cpu(mpi_reply->TerminationCount))); |
| |
| return _scsih_check_for_pending_tm(ioc, smid); |
| } |
| |
| /** |
| * _scsih_tm_tr_complete - |
| * @ioc: per adapter object |
| * @smid: system request message index |
| * @msix_index: MSIX table index supplied by the OS |
| * @reply: reply message frame(lower 32bit addr) |
| * Context: interrupt time. |
| * |
| * This is the target reset completion routine. |
| * This code is part of the code to initiate the device removal |
| * handshake protocal with controller firmware. |
| * It will send a sas iounit controll request (MPI2_SAS_OP_REMOVE_DEVICE) |
| * |
| * Return 1 meaning mf should be freed from _base_interrupt |
| * 0 means the mf is freed from this function. |
| */ |
| static u8 |
| _scsih_tm_tr_complete(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index, |
| u32 reply) |
| { |
| u16 handle; |
| Mpi2SCSITaskManagementRequest_t *mpi_request_tm; |
| Mpi2SCSITaskManagementReply_t *mpi_reply = |
| mpt2sas_base_get_reply_virt_addr(ioc, reply); |
| Mpi2SasIoUnitControlRequest_t *mpi_request; |
| u16 smid_sas_ctrl; |
| |
| if (ioc->shost_recovery || ioc->remove_host) { |
| dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: host reset in " |
| "progress!\n", __func__, ioc->name)); |
| return 1; |
| } |
| |
| mpi_request_tm = mpt2sas_base_get_msg_frame(ioc, smid); |
| handle = le16_to_cpu(mpi_request_tm->DevHandle); |
| if (handle != le16_to_cpu(mpi_reply->DevHandle)) { |
| dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "spurious interrupt: " |
| "handle(0x%04x:0x%04x), smid(%d)!!!\n", ioc->name, handle, |
| le16_to_cpu(mpi_reply->DevHandle), smid)); |
| return 0; |
| } |
| |
| dewtprintk(ioc, printk(MPT2SAS_INFO_FMT |
| "tr_complete:handle(0x%04x), (open) smid(%d), ioc_status(0x%04x), " |
| "loginfo(0x%08x), completed(%d)\n", ioc->name, |
| handle, smid, le16_to_cpu(mpi_reply->IOCStatus), |
| le32_to_cpu(mpi_reply->IOCLogInfo), |
| le32_to_cpu(mpi_reply->TerminationCount))); |
| |
| smid_sas_ctrl = mpt2sas_base_get_smid(ioc, ioc->tm_sas_control_cb_idx); |
| if (!smid_sas_ctrl) { |
| printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", |
| ioc->name, __func__); |
| return 1; |
| } |
| |
| dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "sc_send:handle(0x%04x), " |
| "(open), smid(%d), cb(%d)\n", ioc->name, handle, smid_sas_ctrl, |
| ioc->tm_sas_control_cb_idx)); |
| mpi_request = mpt2sas_base_get_msg_frame(ioc, smid_sas_ctrl); |
| memset(mpi_request, 0, sizeof(Mpi2SasIoUnitControlRequest_t)); |
| mpi_request->Function = MPI2_FUNCTION_SAS_IO_UNIT_CONTROL; |
| mpi_request->Operation = MPI2_SAS_OP_REMOVE_DEVICE; |
| mpi_request->DevHandle = mpi_request_tm->DevHandle; |
| mpt2sas_base_put_smid_default(ioc, smid_sas_ctrl); |
| |
| return _scsih_check_for_pending_tm(ioc, smid); |
| } |
| |
| /** |
| * _scsih_check_for_pending_tm - check for pending task management |
| * @ioc: per adapter object |
| * @smid: system request message index |
| * |
| * This will check delayed target reset list, and feed the |
| * next reqeust. |
| * |
| * Return 1 meaning mf should be freed from _base_interrupt |
| * 0 means the mf is freed from this function. |
| */ |
| static u8 |
| _scsih_check_for_pending_tm(struct MPT2SAS_ADAPTER *ioc, u16 smid) |
| { |
| struct _tr_list *delayed_tr; |
| |
| if (!list_empty(&ioc->delayed_tr_volume_list)) { |
| delayed_tr = list_entry(ioc->delayed_tr_volume_list.next, |
| struct _tr_list, list); |
| mpt2sas_base_free_smid(ioc, smid); |
| _scsih_tm_tr_volume_send(ioc, delayed_tr->handle); |
| list_del(&delayed_tr->list); |
| kfree(delayed_tr); |
| return 0; |
| } |
| |
| if (!list_empty(&ioc->delayed_tr_list)) { |
| delayed_tr = list_entry(ioc->delayed_tr_list.next, |
| struct _tr_list, list); |
| mpt2sas_base_free_smid(ioc, smid); |
| _scsih_tm_tr_send(ioc, delayed_tr->handle); |
| list_del(&delayed_tr->list); |
| kfree(delayed_tr); |
| return 0; |
| } |
| |
| return 1; |
| } |
| |
| /** |
| * _scsih_check_topo_delete_events - sanity check on topo events |
| * @ioc: per adapter object |
| * @event_data: the event data payload |
| * |
| * This routine added to better handle cable breaker. |
| * |
| * This handles the case where driver recieves multiple expander |
| * add and delete events in a single shot. When there is a delete event |
| * the routine will void any pending add events waiting in the event queue. |
| * |
| * Return nothing. |
| */ |
| static void |
| _scsih_check_topo_delete_events(struct MPT2SAS_ADAPTER *ioc, |
| Mpi2EventDataSasTopologyChangeList_t *event_data) |
| { |
| struct fw_event_work *fw_event; |
| Mpi2EventDataSasTopologyChangeList_t *local_event_data; |
| u16 expander_handle; |
| struct _sas_node *sas_expander; |
| unsigned long flags; |
| int i, reason_code; |
| u16 handle; |
| |
| for (i = 0 ; i < event_data->NumEntries; i++) { |
| if (event_data->PHY[i].PhyStatus & |
| MPI2_EVENT_SAS_TOPO_PHYSTATUS_VACANT) |
| continue; |
| handle = le16_to_cpu(event_data->PHY[i].AttachedDevHandle); |
| if (!handle) |
| continue; |
| reason_code = event_data->PHY[i].PhyStatus & |
| MPI2_EVENT_SAS_TOPO_RC_MASK; |
| if (reason_code == MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING) |
| _scsih_tm_tr_send(ioc, handle); |
| } |
| |
| expander_handle = le16_to_cpu(event_data->ExpanderDevHandle); |
| if (expander_handle < ioc->sas_hba.num_phys) { |
| _scsih_block_io_to_children_attached_directly(ioc, event_data); |
| return; |
| } |
| |
| if (event_data->ExpStatus == MPI2_EVENT_SAS_TOPO_ES_DELAY_NOT_RESPONDING |
| || event_data->ExpStatus == MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING) { |
| spin_lock_irqsave(&ioc->sas_node_lock, flags); |
| sas_expander = mpt2sas_scsih_expander_find_by_handle(ioc, |
| expander_handle); |
| spin_unlock_irqrestore(&ioc->sas_node_lock, flags); |
| _scsih_block_io_to_children_attached_to_ex(ioc, sas_expander); |
| } else if (event_data->ExpStatus == MPI2_EVENT_SAS_TOPO_ES_RESPONDING) |
| _scsih_block_io_to_children_attached_directly(ioc, event_data); |
| |
| if (event_data->ExpStatus != MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING) |
| return; |
| |
| /* mark ignore flag for pending events */ |
| spin_lock_irqsave(&ioc->fw_event_lock, flags); |
| list_for_each_entry(fw_event, &ioc->fw_event_list, list) { |
| if (fw_event->event != MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST || |
| fw_event->ignore) |
| continue; |
| local_event_data = fw_event->event_data; |
| if (local_event_data->ExpStatus == |
| MPI2_EVENT_SAS_TOPO_ES_ADDED || |
| local_event_data->ExpStatus == |
| MPI2_EVENT_SAS_TOPO_ES_RESPONDING) { |
| if (le16_to_cpu(local_event_data->ExpanderDevHandle) == |
| expander_handle) { |
| dewtprintk(ioc, printk(MPT2SAS_INFO_FMT |
| "setting ignoring flag\n", ioc->name)); |
| fw_event->ignore = 1; |
| } |
| } |
| } |
| spin_unlock_irqrestore(&ioc->fw_event_lock, flags); |
| } |
| |
| /** |
| * _scsih_set_volume_delete_flag - setting volume delete flag |
| * @ioc: per adapter object |
| * @handle: device handle |
| * |
| * This |
| * Return nothing. |
| */ |
| static void |
| _scsih_set_volume_delete_flag(struct MPT2SAS_ADAPTER *ioc, u16 handle) |
| { |
| struct _raid_device *raid_device; |
| struct MPT2SAS_TARGET *sas_target_priv_data; |
| unsigned long flags; |
| |
| spin_lock_irqsave(&ioc->raid_device_lock, flags); |
| raid_device = _scsih_raid_device_find_by_handle(ioc, handle); |
| if (raid_device && raid_device->starget && |
| raid_device->starget->hostdata) { |
| sas_target_priv_data = |
| raid_device->starget->hostdata; |
| sas_target_priv_data->deleted = 1; |
| dewtprintk(ioc, printk(MPT2SAS_INFO_FMT |
| "setting delete flag: handle(0x%04x), " |
| "wwid(0x%016llx)\n", ioc->name, handle, |
| (unsigned long long) raid_device->wwid)); |
| } |
| spin_unlock_irqrestore(&ioc->raid_device_lock, flags); |
| } |
| |
| /** |
| * _scsih_set_volume_handle_for_tr - set handle for target reset to volume |
| * @handle: input handle |
| * @a: handle for volume a |
| * @b: handle for volume b |
| * |
| * IR firmware only supports two raid volumes. The purpose of this |
| * routine is to set the volume handle in either a or b. When the given |
| * input handle is non-zero, or when a and b have not been set before. |
| */ |
| static void |
| _scsih_set_volume_handle_for_tr(u16 handle, u16 *a, u16 *b) |
| { |
| if (!handle || handle == *a || handle == *b) |
| return; |
| if (!*a) |
| *a = handle; |
| else if (!*b) |
| *b = handle; |
| } |
| |
| /** |
| * _scsih_check_ir_config_unhide_events - check for UNHIDE events |
| * @ioc: per adapter object |
| * @event_data: the event data payload |
| * Context: interrupt time. |
| * |
| * This routine will send target reset to volume, followed by target |
| * resets to the PDs. This is called when a PD has been removed, or |
| * volume has been deleted or removed. When the target reset is sent |
| * to volume, the PD target resets need to be queued to start upon |
| * completion of the volume target reset. |
| * |
| * Return nothing. |
| */ |
| static void |
| _scsih_check_ir_config_unhide_events(struct MPT2SAS_ADAPTER *ioc, |
| Mpi2EventDataIrConfigChangeList_t *event_data) |
| { |
| Mpi2EventIrConfigElement_t *element; |
| int i; |
| u16 handle, volume_handle, a, b; |
| struct _tr_list *delayed_tr; |
| |
| a = 0; |
| b = 0; |
| |
| /* Volume Resets for Deleted or Removed */ |
| element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0]; |
| for (i = 0; i < event_data->NumElements; i++, element++) { |
| if (element->ReasonCode == |
| MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED || |
| element->ReasonCode == |
| MPI2_EVENT_IR_CHANGE_RC_REMOVED) { |
| volume_handle = le16_to_cpu(element->VolDevHandle); |
| _scsih_set_volume_delete_flag(ioc, volume_handle); |
| _scsih_set_volume_handle_for_tr(volume_handle, &a, &b); |
| } |
| } |
| |
| /* Volume Resets for UNHIDE events */ |
| element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0]; |
| for (i = 0; i < event_data->NumElements; i++, element++) { |
| if (le32_to_cpu(event_data->Flags) & |
| MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG) |
| continue; |
| if (element->ReasonCode == MPI2_EVENT_IR_CHANGE_RC_UNHIDE) { |
| volume_handle = le16_to_cpu(element->VolDevHandle); |
| _scsih_set_volume_handle_for_tr(volume_handle, &a, &b); |
| } |
| } |
| |
| if (a) |
| _scsih_tm_tr_volume_send(ioc, a); |
| if (b) |
| _scsih_tm_tr_volume_send(ioc, b); |
| |
| /* PD target resets */ |
| element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0]; |
| for (i = 0; i < event_data->NumElements; i++, element++) { |
| if (element->ReasonCode != MPI2_EVENT_IR_CHANGE_RC_UNHIDE) |
| continue; |
| handle = le16_to_cpu(element->PhysDiskDevHandle); |
| volume_handle = le16_to_cpu(element->VolDevHandle); |
| clear_bit(handle, ioc->pd_handles); |
| if (!volume_handle) |
| _scsih_tm_tr_send(ioc, handle); |
| else if (volume_handle == a || volume_handle == b) { |
| delayed_tr = kzalloc(sizeof(*delayed_tr), GFP_ATOMIC); |
| BUG_ON(!delayed_tr); |
| INIT_LIST_HEAD(&delayed_tr->list); |
| delayed_tr->handle = handle; |
| list_add_tail(&delayed_tr->list, &ioc->delayed_tr_list); |
| dewtprintk(ioc, printk(MPT2SAS_INFO_FMT |
| "DELAYED:tr:handle(0x%04x), (open)\n", ioc->name, |
| handle)); |
| } else |
| _scsih_tm_tr_send(ioc, handle); |
| } |
| } |
| |
| |
| /** |
| * _scsih_check_volume_delete_events - set delete flag for volumes |
| * @ioc: per adapter object |
| * @event_data: the event data payload |
| * Context: interrupt time. |
| * |
| * This will handle the case when the cable connected to entire volume is |
| * pulled. We will take care of setting the deleted flag so normal IO will |
| * not be sent. |
| * |
| * Return nothing. |
| */ |
| static void |
| _scsih_check_volume_delete_events(struct MPT2SAS_ADAPTER *ioc, |
| Mpi2EventDataIrVolume_t *event_data) |
| { |
| u32 state; |
| |
| if (event_data->ReasonCode != MPI2_EVENT_IR_VOLUME_RC_STATE_CHANGED) |
| return; |
| state = le32_to_cpu(event_data->NewValue); |
| if (state == MPI2_RAID_VOL_STATE_MISSING || state == |
| MPI2_RAID_VOL_STATE_FAILED) |
| _scsih_set_volume_delete_flag(ioc, |
| le16_to_cpu(event_data->VolDevHandle)); |
| } |
| |
| /** |
| * _scsih_flush_running_cmds - completing outstanding commands. |
| * @ioc: per adapter object |
| * |
| * The flushing out of all pending scmd commands following host reset, |
| * where all IO is dropped to the floor. |
| * |
| * Return nothing. |
| */ |
| static void |
| _scsih_flush_running_cmds(struct MPT2SAS_ADAPTER *ioc) |
| { |
| struct scsi_cmnd *scmd; |
| u16 smid; |
| u16 count = 0; |
| |
| for (smid = 1; smid <= ioc->scsiio_depth; smid++) { |
| scmd = _scsih_scsi_lookup_get(ioc, smid); |
| if (!scmd) |
| continue; |
| count++; |
| mpt2sas_base_free_smid(ioc, smid); |
| scsi_dma_unmap(scmd); |
| scmd->result = DID_RESET << 16; |
| scmd->scsi_done(scmd); |
| } |
| dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "completing %d cmds\n", |
| ioc->name, count)); |
| } |
| |
| /** |
| * _scsih_setup_eedp - setup MPI request for EEDP transfer |
| * @scmd: pointer to scsi command object |
| * @mpi_request: pointer to the SCSI_IO reqest message frame |
| * |
| * Supporting protection 1 and 3. |
| * |
| * Returns nothing |
| */ |
| static void |
| _scsih_setup_eedp(struct scsi_cmnd *scmd, Mpi2SCSIIORequest_t *mpi_request) |
| { |
| u16 eedp_flags; |
| unsigned char prot_op = scsi_get_prot_op(scmd); |
| unsigned char prot_type = scsi_get_prot_type(scmd); |
| |
| if (prot_type == SCSI_PROT_DIF_TYPE0 || prot_op == SCSI_PROT_NORMAL) |
| return; |
| |
| if (prot_op == SCSI_PROT_READ_STRIP) |
| eedp_flags = MPI2_SCSIIO_EEDPFLAGS_CHECK_REMOVE_OP; |
| else if (prot_op == SCSI_PROT_WRITE_INSERT) |
| eedp_flags = MPI2_SCSIIO_EEDPFLAGS_INSERT_OP; |
| else |
| return; |
| |
| switch (prot_type) { |
| case SCSI_PROT_DIF_TYPE1: |
| |
| /* |
| * enable ref/guard checking |
| * auto increment ref tag |
| */ |
| eedp_flags |= MPI2_SCSIIO_EEDPFLAGS_INC_PRI_REFTAG | |
| MPI2_SCSIIO_EEDPFLAGS_CHECK_REFTAG | |
| MPI2_SCSIIO_EEDPFLAGS_CHECK_GUARD; |
| mpi_request->CDB.EEDP32.PrimaryReferenceTag = |
| cpu_to_be32(scsi_get_lba(scmd)); |
| break; |
| |
| case SCSI_PROT_DIF_TYPE2: |
| |
| eedp_flags |= MPI2_SCSIIO_EEDPFLAGS_INC_PRI_REFTAG | |
| MPI2_SCSIIO_EEDPFLAGS_CHECK_REFTAG | |
| MPI2_SCSIIO_EEDPFLAGS_CHECK_GUARD; |
| break; |
| |
| case SCSI_PROT_DIF_TYPE3: |
| |
| /* |
| * enable guard checking |
| */ |
| eedp_flags |= MPI2_SCSIIO_EEDPFLAGS_CHECK_GUARD; |
| break; |
| } |
| mpi_request->EEDPBlockSize = cpu_to_le32(scmd->device->sector_size); |
| mpi_request->EEDPFlags = cpu_to_le16(eedp_flags); |
| } |
| |
| /** |
| * _scsih_eedp_error_handling - return sense code for EEDP errors |
| * @scmd: pointer to scsi command object |
| * @ioc_status: ioc status |
| * |
| * Returns nothing |
| */ |
| static void |
| _scsih_eedp_error_handling(struct scsi_cmnd *scmd, u16 ioc_status) |
| { |
| u8 ascq; |
| u8 sk; |
| u8 host_byte; |
| |
| switch (ioc_status) { |
| case MPI2_IOCSTATUS_EEDP_GUARD_ERROR: |
| ascq = 0x01; |
| break; |
| case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR: |
| ascq = 0x02; |
| break; |
| case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR: |
| ascq = 0x03; |
| break; |
| default: |
| ascq = 0x00; |
| break; |
| } |
| |
| if (scmd->sc_data_direction == DMA_TO_DEVICE) { |
| sk = ILLEGAL_REQUEST; |
| host_byte = DID_ABORT; |
| } else { |
| sk = ABORTED_COMMAND; |
| host_byte = DID_OK; |
| } |
| |
| scsi_build_sense_buffer(0, scmd->sense_buffer, sk, 0x10, ascq); |
| scmd->result = DRIVER_SENSE << 24 | (host_byte << 16) | |
| SAM_STAT_CHECK_CONDITION; |
| } |
| |
| /** |
| * _scsih_qcmd - main scsi request entry point |
| * @scmd: pointer to scsi command object |
| * @done: function pointer to be invoked on completion |
| * |
| * The callback index is set inside `ioc->scsi_io_cb_idx`. |
| * |
| * Returns 0 on success. If there's a failure, return either: |
| * SCSI_MLQUEUE_DEVICE_BUSY if the device queue is full, or |
| * SCSI_MLQUEUE_HOST_BUSY if the entire host queue is full |
| */ |
| static int |
| _scsih_qcmd(struct scsi_cmnd *scmd, void (*done)(struct scsi_cmnd *)) |
| { |
| struct MPT2SAS_ADAPTER *ioc = shost_priv(scmd->device->host); |
| struct MPT2SAS_DEVICE *sas_device_priv_data; |
| struct MPT2SAS_TARGET *sas_target_priv_data; |
| Mpi2SCSIIORequest_t *mpi_request; |
| u32 mpi_control; |
| u16 smid; |
| |
| scmd->scsi_done = done; |
| sas_device_priv_data = scmd->device->hostdata; |
| if (!sas_device_priv_data || !sas_device_priv_data->sas_target) { |
| scmd->result = DID_NO_CONNECT << 16; |
| scmd->scsi_done(scmd); |
| return 0; |
| } |
| |
| sas_target_priv_data = sas_device_priv_data->sas_target; |
| /* invalid device handle */ |
| if (sas_target_priv_data->handle == MPT2SAS_INVALID_DEVICE_HANDLE) { |
| scmd->result = DID_NO_CONNECT << 16; |
| scmd->scsi_done(scmd); |
| return 0; |
| } |
| |
| /* host recovery or link resets sent via IOCTLs */ |
| if (ioc->shost_recovery || ioc->ioc_link_reset_in_progress) |
| return SCSI_MLQUEUE_HOST_BUSY; |
| /* device busy with task managment */ |
| else if (sas_device_priv_data->block || sas_target_priv_data->tm_busy) |
| return SCSI_MLQUEUE_DEVICE_BUSY; |
| /* device has been deleted */ |
| else if (sas_target_priv_data->deleted) { |
| scmd->result = DID_NO_CONNECT << 16; |
| scmd->scsi_done(scmd); |
| return 0; |
| } |
| |
| if (scmd->sc_data_direction == DMA_FROM_DEVICE) |
| mpi_control = MPI2_SCSIIO_CONTROL_READ; |
| else if (scmd->sc_data_direction == DMA_TO_DEVICE) |
| mpi_control = MPI2_SCSIIO_CONTROL_WRITE; |
| else |
| mpi_control = MPI2_SCSIIO_CONTROL_NODATATRANSFER; |
| |
| /* set tags */ |
| if (!(sas_device_priv_data->flags & MPT_DEVICE_FLAGS_INIT)) { |
| if (scmd->device->tagged_supported) { |
| if (scmd->device->ordered_tags) |
| mpi_control |= MPI2_SCSIIO_CONTROL_ORDEREDQ; |
| else |
| mpi_control |= MPI2_SCSIIO_CONTROL_SIMPLEQ; |
| } else |
| /* MPI Revision I (UNIT = 0xA) - removed MPI2_SCSIIO_CONTROL_UNTAGGED */ |
| /* mpi_control |= MPI2_SCSIIO_CONTROL_UNTAGGED; |
| */ |
| mpi_control |= (0x500); |
| |
| } else |
| mpi_control |= MPI2_SCSIIO_CONTROL_SIMPLEQ; |
| /* Make sure Device is not raid volume */ |
| if (!_scsih_is_raid(&scmd->device->sdev_gendev) && |
| sas_is_tlr_enabled(scmd->device) && scmd->cmd_len != 32) |
| mpi_control |= MPI2_SCSIIO_CONTROL_TLR_ON; |
| |
| smid = mpt2sas_base_get_smid_scsiio(ioc, ioc->scsi_io_cb_idx, scmd); |
| if (!smid) { |
| printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", |
| ioc->name, __func__); |
| goto out; |
| } |
| mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); |
| memset(mpi_request, 0, sizeof(Mpi2SCSIIORequest_t)); |
| _scsih_setup_eedp(scmd, mpi_request); |
| if (scmd->cmd_len == 32) |
| mpi_control |= 4 << MPI2_SCSIIO_CONTROL_ADDCDBLEN_SHIFT; |
| mpi_request->Function = MPI2_FUNCTION_SCSI_IO_REQUEST; |
| if (sas_device_priv_data->sas_target->flags & |
| MPT_TARGET_FLAGS_RAID_COMPONENT) |
| mpi_request->Function = MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH; |
| else |
| mpi_request->Function = MPI2_FUNCTION_SCSI_IO_REQUEST; |
| mpi_request->DevHandle = |
| cpu_to_le16(sas_device_priv_data->sas_target->handle); |
| mpi_request->DataLength = cpu_to_le32(scsi_bufflen(scmd)); |
| mpi_request->Control = cpu_to_le32(mpi_control); |
| mpi_request->IoFlags = cpu_to_le16(scmd->cmd_len); |
| mpi_request->MsgFlags = MPI2_SCSIIO_MSGFLAGS_SYSTEM_SENSE_ADDR; |
| mpi_request->SenseBufferLength = SCSI_SENSE_BUFFERSIZE; |
| mpi_request->SenseBufferLowAddress = |
| mpt2sas_base_get_sense_buffer_dma(ioc, smid); |
| mpi_request->SGLOffset0 = offsetof(Mpi2SCSIIORequest_t, SGL) / 4; |
| mpi_request->SGLFlags = cpu_to_le16(MPI2_SCSIIO_SGLFLAGS_TYPE_MPI + |
| MPI2_SCSIIO_SGLFLAGS_SYSTEM_ADDR); |
| mpi_request->VF_ID = 0; /* TODO */ |
| mpi_request->VP_ID = 0; |
| int_to_scsilun(sas_device_priv_data->lun, (struct scsi_lun *) |
| mpi_request->LUN); |
| memcpy(mpi_request->CDB.CDB32, scmd->cmnd, scmd->cmd_len); |
| |
| if (!mpi_request->DataLength) { |
| mpt2sas_base_build_zero_len_sge(ioc, &mpi_request->SGL); |
| } else { |
| if (_scsih_build_scatter_gather(ioc, scmd, smid)) { |
| mpt2sas_base_free_smid(ioc, smid); |
| goto out; |
| } |
| } |
| |
| if (likely(mpi_request->Function == MPI2_FUNCTION_SCSI_IO_REQUEST)) |
| mpt2sas_base_put_smid_scsi_io(ioc, smid, |
| sas_device_priv_data->sas_target->handle); |
| else |
| mpt2sas_base_put_smid_default(ioc, smid); |
| return 0; |
| |
| out: |
| return SCSI_MLQUEUE_HOST_BUSY; |
| } |
| |
| /** |
| * _scsih_normalize_sense - normalize descriptor and fixed format sense data |
| * @sense_buffer: sense data returned by target |
| * @data: normalized skey/asc/ascq |
| * |
| * Return nothing. |
| */ |
| static void |
| _scsih_normalize_sense(char *sense_buffer, struct sense_info *data) |
| { |
| if ((sense_buffer[0] & 0x7F) >= 0x72) { |
| /* descriptor format */ |
| data->skey = sense_buffer[1] & 0x0F; |
| data->asc = sense_buffer[2]; |
| data->ascq = sense_buffer[3]; |
| } else { |
| /* fixed format */ |
| data->skey = sense_buffer[2] & 0x0F; |
| data->asc = sense_buffer[12]; |
| data->ascq = sense_buffer[13]; |
| } |
| } |
| |
| #ifdef CONFIG_SCSI_MPT2SAS_LOGGING |
| /** |
| * _scsih_scsi_ioc_info - translated non-successfull SCSI_IO request |
| * @ioc: per adapter object |
| * @scmd: pointer to scsi command object |
| * @mpi_reply: reply mf payload returned from firmware |
| * |
| * scsi_status - SCSI Status code returned from target device |
| * scsi_state - state info associated with SCSI_IO determined by ioc |
| * ioc_status - ioc supplied status info |
| * |
| * Return nothing. |
| */ |
| static void |
| _scsih_scsi_ioc_info(struct MPT2SAS_ADAPTER *ioc, struct scsi_cmnd *scmd, |
| Mpi2SCSIIOReply_t *mpi_reply, u16 smid) |
| { |
| u32 response_info; |
| u8 *response_bytes; |
| u16 ioc_status = le16_to_cpu(mpi_reply->IOCStatus) & |
| MPI2_IOCSTATUS_MASK; |
| u8 scsi_state = mpi_reply->SCSIState; |
| u8 scsi_status = mpi_reply->SCSIStatus; |
| char *desc_ioc_state = NULL; |
| char *desc_scsi_status = NULL; |
| char *desc_scsi_state = ioc->tmp_string; |
| u32 log_info = le32_to_cpu(mpi_reply->IOCLogInfo); |
| struct _sas_device *sas_device = NULL; |
| unsigned long flags; |
| |
| if (log_info == 0x31170000) |
| return; |
| |
| switch (ioc_status) { |
| case MPI2_IOCSTATUS_SUCCESS: |
| desc_ioc_state = "success"; |
| break; |
| case MPI2_IOCSTATUS_INVALID_FUNCTION: |
| desc_ioc_state = "invalid function"; |
| break; |
| case MPI2_IOCSTATUS_SCSI_RECOVERED_ERROR: |
| desc_ioc_state = "scsi recovered error"; |
| break; |
| case MPI2_IOCSTATUS_SCSI_INVALID_DEVHANDLE: |
| desc_ioc_state = "scsi invalid dev handle"; |
| break; |
| case MPI2_IOCSTATUS_SCSI_DEVICE_NOT_THERE: |
| desc_ioc_state = "scsi device not there"; |
| break; |
| case MPI2_IOCSTATUS_SCSI_DATA_OVERRUN: |
| desc_ioc_state = "scsi data overrun"; |
| break; |
| case MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN: |
| desc_ioc_state = "scsi data underrun"; |
| break; |
| case MPI2_IOCSTATUS_SCSI_IO_DATA_ERROR: |
| desc_ioc_state = "scsi io data error"; |
| break; |
| case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR: |
| desc_ioc_state = "scsi protocol error"; |
| break; |
| case MPI2_IOCSTATUS_SCSI_TASK_TERMINATED: |
| desc_ioc_state = "scsi task terminated"; |
| break; |
| case MPI2_IOCSTATUS_SCSI_RESIDUAL_MISMATCH: |
| desc_ioc_state = "scsi residual mismatch"; |
| break; |
| case MPI2_IOCSTATUS_SCSI_TASK_MGMT_FAILED: |
| desc_ioc_state = "scsi task mgmt failed"; |
| break; |
| case MPI2_IOCSTATUS_SCSI_IOC_TERMINATED: |
| desc_ioc_state = "scsi ioc terminated"; |
| break; |
| case MPI2_IOCSTATUS_SCSI_EXT_TERMINATED: |
| desc_ioc_state = "scsi ext terminated"; |
| break; |
| case MPI2_IOCSTATUS_EEDP_GUARD_ERROR: |
| desc_ioc_state = "eedp guard error"; |
| break; |
| case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR: |
| desc_ioc_state = "eedp ref tag error"; |
| break; |
| case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR: |
| desc_ioc_state = "eedp app tag error"; |
| break; |
| default: |
| desc_ioc_state = "unknown"; |
| break; |
| } |
| |
| switch (scsi_status) { |
| case MPI2_SCSI_STATUS_GOOD: |
| desc_scsi_status = "good"; |
| break; |
| case MPI2_SCSI_STATUS_CHECK_CONDITION: |
| desc_scsi_status = "check condition"; |
| break; |
| case MPI2_SCSI_STATUS_CONDITION_MET: |
| desc_scsi_status = "condition met"; |
| break; |
| case MPI2_SCSI_STATUS_BUSY: |
| desc_scsi_status = "busy"; |
| break; |
| case MPI2_SCSI_STATUS_INTERMEDIATE: |
| desc_scsi_status = "intermediate"; |
| break; |
| case MPI2_SCSI_STATUS_INTERMEDIATE_CONDMET: |
| desc_scsi_status = "intermediate condmet"; |
| break; |
| case MPI2_SCSI_STATUS_RESERVATION_CONFLICT: |
| desc_scsi_status = "reservation conflict"; |
| break; |
| case MPI2_SCSI_STATUS_COMMAND_TERMINATED: |
| desc_scsi_status = "command terminated"; |
| break; |
| case MPI2_SCSI_STATUS_TASK_SET_FULL: |
| desc_scsi_status = "task set full"; |
| break; |
| case MPI2_SCSI_STATUS_ACA_ACTIVE: |
| desc_scsi_status = "aca active"; |
| break; |
| case MPI2_SCSI_STATUS_TASK_ABORTED: |
| desc_scsi_status = "task aborted"; |
| break; |
| default: |
| desc_scsi_status = "unknown"; |
| break; |
| } |
| |
| desc_scsi_state[0] = '\0'; |
| if (!scsi_state) |
| desc_scsi_state = " "; |
| if (scsi_state & MPI2_SCSI_STATE_RESPONSE_INFO_VALID) |
| strcat(desc_scsi_state, "response info "); |
| if (scsi_state & MPI2_SCSI_STATE_TERMINATED) |
| strcat(desc_scsi_state, "state terminated "); |
| if (scsi_state & MPI2_SCSI_STATE_NO_SCSI_STATUS) |
| strcat(desc_scsi_state, "no status "); |
| if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_FAILED) |
| strcat(desc_scsi_state, "autosense failed "); |
| if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID) |
| strcat(desc_scsi_state, "autosense valid "); |
| |
| scsi_print_command(scmd); |
| |
| spin_lock_irqsave(&ioc->sas_device_lock, flags); |
| sas_device = _scsih_sas_device_find_by_handle(ioc, |
| le16_to_cpu(mpi_reply->DevHandle)); |
| if (sas_device) { |
| printk(MPT2SAS_WARN_FMT "\tsas_address(0x%016llx), phy(%d)\n", |
| ioc->name, sas_device->sas_address, sas_device->phy); |
| printk(MPT2SAS_WARN_FMT "\tenclosure_logical_id(0x%016llx), " |
| "slot(%d)\n", ioc->name, sas_device->enclosure_logical_id, |
| sas_device->slot); |
| } |
| spin_unlock_irqrestore(&ioc->sas_device_lock, flags); |
| |
| printk(MPT2SAS_WARN_FMT "\tdev handle(0x%04x), " |
| "ioc_status(%s)(0x%04x), smid(%d)\n", ioc->name, |
| le16_to_cpu(mpi_reply->DevHandle), desc_ioc_state, |
| ioc_status, smid); |
| printk(MPT2SAS_WARN_FMT "\trequest_len(%d), underflow(%d), " |
| "resid(%d)\n", ioc->name, scsi_bufflen(scmd), scmd->underflow, |
| scsi_get_resid(scmd)); |
| printk(MPT2SAS_WARN_FMT "\ttag(%d), transfer_count(%d), " |
| "sc->result(0x%08x)\n", ioc->name, le16_to_cpu(mpi_reply->TaskTag), |
| le32_to_cpu(mpi_reply->TransferCount), scmd->result); |
| printk(MPT2SAS_WARN_FMT "\tscsi_status(%s)(0x%02x), " |
| "scsi_state(%s)(0x%02x)\n", ioc->name, desc_scsi_status, |
| scsi_status, desc_scsi_state, scsi_state); |
| |
| if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID) { |
| struct sense_info data; |
| _scsih_normalize_sense(scmd->sense_buffer, &data); |
| printk(MPT2SAS_WARN_FMT "\t[sense_key,asc,ascq]: " |
| "[0x%02x,0x%02x,0x%02x], count(%d)\n", ioc->name, data.skey, |
| data.asc, data.ascq, le32_to_cpu(mpi_reply->SenseCount)); |
| } |
| |
| if (scsi_state & MPI2_SCSI_STATE_RESPONSE_INFO_VALID) { |
| response_info = le32_to_cpu(mpi_reply->ResponseInfo); |
| response_bytes = (u8 *)&response_info; |
| _scsih_response_code(ioc, response_bytes[0]); |
| } |
| } |
| #endif |
| |
| /** |
| * _scsih_smart_predicted_fault - illuminate Fault LED |
| * @ioc: per adapter object |
| * @handle: device handle |
| * |
| * Return nothing. |
| */ |
| static void |
| _scsih_smart_predicted_fault(struct MPT2SAS_ADAPTER *ioc, u16 handle) |
| { |
| Mpi2SepReply_t mpi_reply; |
| Mpi2SepRequest_t mpi_request; |
| struct scsi_target *starget; |
| struct MPT2SAS_TARGET *sas_target_priv_data; |
| Mpi2EventNotificationReply_t *event_reply; |
| Mpi2EventDataSasDeviceStatusChange_t *event_data; |
| struct _sas_device *sas_device; |
| ssize_t sz; |
| unsigned long flags; |
| |
| /* only handle non-raid devices */ |
| spin_lock_irqsave(&ioc->sas_device_lock, flags); |
| sas_device = _scsih_sas_device_find_by_handle(ioc, handle); |
| if (!sas_device) { |
| spin_unlock_irqrestore(&ioc->sas_device_lock, flags); |
| return; |
| } |
| starget = sas_device->starget; |
| sas_target_priv_data = starget->hostdata; |
| |
| if ((sas_target_priv_data->flags & MPT_TARGET_FLAGS_RAID_COMPONENT) || |
| ((sas_target_priv_data->flags & MPT_TARGET_FLAGS_VOLUME))) { |
| spin_unlock_irqrestore(&ioc->sas_device_lock, flags); |
| return; |
| } |
| starget_printk(KERN_WARNING, starget, "predicted fault\n"); |
| spin_unlock_irqrestore(&ioc->sas_device_lock, flags); |
| |
| if (ioc->pdev->subsystem_vendor == PCI_VENDOR_ID_IBM) { |
| memset(&mpi_request, 0, sizeof(Mpi2SepRequest_t)); |
| mpi_request.Function = MPI2_FUNCTION_SCSI_ENCLOSURE_PROCESSOR; |
| mpi_request.Action = MPI2_SEP_REQ_ACTION_WRITE_STATUS; |
| mpi_request.SlotStatus = |
| cpu_to_le32(MPI2_SEP_REQ_SLOTSTATUS_PREDICTED_FAULT); |
| mpi_request.DevHandle = cpu_to_le16(handle); |
| mpi_request.Flags = MPI2_SEP_REQ_FLAGS_DEVHANDLE_ADDRESS; |
| if ((mpt2sas_base_scsi_enclosure_processor(ioc, &mpi_reply, |
| &mpi_request)) != 0) { |
| printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", |
| ioc->name, __FILE__, __LINE__, __func__); |
| return; |
| } |
| |
| if (mpi_reply.IOCStatus || mpi_reply.IOCLogInfo) { |
| dewtprintk(ioc, printk(MPT2SAS_INFO_FMT |
| "enclosure_processor: ioc_status (0x%04x), " |
| "loginfo(0x%08x)\n", ioc->name, |
| le16_to_cpu(mpi_reply.IOCStatus), |
| le32_to_cpu(mpi_reply.IOCLogInfo))); |
| return; |
| } |
| } |
| |
| /* insert into event log */ |
| sz = offsetof(Mpi2EventNotificationReply_t, EventData) + |
| sizeof(Mpi2EventDataSasDeviceStatusChange_t); |
| event_reply = kzalloc(sz, GFP_KERNEL); |
| if (!event_reply) { |
| printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", |
| ioc->name, __FILE__, __LINE__, __func__); |
| return; |
| } |
| |
| event_reply->Function = MPI2_FUNCTION_EVENT_NOTIFICATION; |
| event_reply->Event = |
| cpu_to_le16(MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE); |
| event_reply->MsgLength = sz/4; |
| event_reply->EventDataLength = |
| cpu_to_le16(sizeof(Mpi2EventDataSasDeviceStatusChange_t)/4); |
| event_data = (Mpi2EventDataSasDeviceStatusChange_t *) |
| event_reply->EventData; |
| event_data->ReasonCode = MPI2_EVENT_SAS_DEV_STAT_RC_SMART_DATA; |
| event_data->ASC = 0x5D; |
| event_data->DevHandle = cpu_to_le16(handle); |
| event_data->SASAddress = cpu_to_le64(sas_target_priv_data->sas_address); |
| mpt2sas_ctl_add_to_event_log(ioc, event_reply); |
| kfree(event_reply); |
| } |
| |
| /** |
| * _scsih_io_done - scsi request callback |
| * @ioc: per adapter object |
| * @smid: system request message index |
| * @msix_index: MSIX table index supplied by the OS |
| * @reply: reply message frame(lower 32bit addr) |
| * |
| * Callback handler when using _scsih_qcmd. |
| * |
| * Return 1 meaning mf should be freed from _base_interrupt |
| * 0 means the mf is freed from this function. |
| */ |
| static u8 |
| _scsih_io_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index, u32 reply) |
| { |
| Mpi2SCSIIORequest_t *mpi_request; |
| Mpi2SCSIIOReply_t *mpi_reply; |
| struct scsi_cmnd *scmd; |
| u16 ioc_status; |
| u32 xfer_cnt; |
| u8 scsi_state; |
| u8 scsi_status; |
| u32 log_info; |
| struct MPT2SAS_DEVICE *sas_device_priv_data; |
| u32 response_code = 0; |
| |
| mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply); |
| scmd = _scsih_scsi_lookup_get(ioc, smid); |
| if (scmd == NULL) |
| return 1; |
| |
| mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); |
| |
| if (mpi_reply == NULL) { |
| scmd->result = DID_OK << 16; |
| goto out; |
| } |
| |
| sas_device_priv_data = scmd->device->hostdata; |
| if (!sas_device_priv_data || !sas_device_priv_data->sas_target || |
| sas_device_priv_data->sas_target->deleted) { |
| scmd->result = DID_NO_CONNECT << 16; |
| goto out; |
| } |
| |
| /* turning off TLR */ |
| scsi_state = mpi_reply->SCSIState; |
| if (scsi_state & MPI2_SCSI_STATE_RESPONSE_INFO_VALID) |
| response_code = |
| le32_to_cpu(mpi_reply->ResponseInfo) & 0xFF; |
| if (!sas_device_priv_data->tlr_snoop_check) { |
| sas_device_priv_data->tlr_snoop_check++; |
| if (!_scsih_is_raid(&scmd->device->sdev_gendev) && |
| sas_is_tlr_enabled(scmd->device) && |
| response_code == MPI2_SCSITASKMGMT_RSP_INVALID_FRAME) { |
| sas_disable_tlr(scmd->device); |
| sdev_printk(KERN_INFO, scmd->device, "TLR disabled\n"); |
| } |
| } |
| |
| xfer_cnt = le32_to_cpu(mpi_reply->TransferCount); |
| scsi_set_resid(scmd, scsi_bufflen(scmd) - xfer_cnt); |
| ioc_status = le16_to_cpu(mpi_reply->IOCStatus); |
| if (ioc_status & MPI2_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE) |
| log_info = le32_to_cpu(mpi_reply->IOCLogInfo); |
| else |
| log_info = 0; |
| ioc_status &= MPI2_IOCSTATUS_MASK; |
| scsi_status = mpi_reply->SCSIStatus; |
| |
| if (ioc_status == MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN && xfer_cnt == 0 && |
| (scsi_status == MPI2_SCSI_STATUS_BUSY || |
| scsi_status == MPI2_SCSI_STATUS_RESERVATION_CONFLICT || |
| scsi_status == MPI2_SCSI_STATUS_TASK_SET_FULL)) { |
| ioc_status = MPI2_IOCSTATUS_SUCCESS; |
| } |
| |
| if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID) { |
| struct sense_info data; |
| const void *sense_data = mpt2sas_base_get_sense_buffer(ioc, |
| smid); |
| u32 sz = min_t(u32, SCSI_SENSE_BUFFERSIZE, |
| le32_to_cpu(mpi_reply->SenseCount)); |
| memcpy(scmd->sense_buffer, sense_data, sz); |
| _scsih_normalize_sense(scmd->sense_buffer, &data); |
| /* failure prediction threshold exceeded */ |
| if (data.asc == 0x5D) |
| _scsih_smart_predicted_fault(ioc, |
| le16_to_cpu(mpi_reply->DevHandle)); |
| } |
| |
| switch (ioc_status) { |
| case MPI2_IOCSTATUS_BUSY: |
| case MPI2_IOCSTATUS_INSUFFICIENT_RESOURCES: |
| scmd->result = SAM_STAT_BUSY; |
| break; |
| |
| case MPI2_IOCSTATUS_SCSI_DEVICE_NOT_THERE: |
| scmd->result = DID_NO_CONNECT << 16; |
| break; |
| |
| case MPI2_IOCSTATUS_SCSI_IOC_TERMINATED: |
| if (sas_device_priv_data->block) { |
| scmd->result = DID_TRANSPORT_DISRUPTED << 16; |
| goto out; |
| } |
| case MPI2_IOCSTATUS_SCSI_TASK_TERMINATED: |
| case MPI2_IOCSTATUS_SCSI_EXT_TERMINATED: |
| scmd->result = DID_RESET << 16; |
| break; |
| |
| case MPI2_IOCSTATUS_SCSI_RESIDUAL_MISMATCH: |
| if ((xfer_cnt == 0) || (scmd->underflow > xfer_cnt)) |
| scmd->result = DID_SOFT_ERROR << 16; |
| else |
| scmd->result = (DID_OK << 16) | scsi_status; |
| break; |
| |
| case MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN: |
| scmd->result = (DID_OK << 16) | scsi_status; |
| |
| if ((scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID)) |
| break; |
| |
| if (xfer_cnt < scmd->underflow) { |
| if (scsi_status == SAM_STAT_BUSY) |
| scmd->result = SAM_STAT_BUSY; |
| else |
| scmd->result = DID_SOFT_ERROR << 16; |
| } else if (scsi_state & (MPI2_SCSI_STATE_AUTOSENSE_FAILED | |
| MPI2_SCSI_STATE_NO_SCSI_STATUS)) |
| scmd->result = DID_SOFT_ERROR << 16; |
| else if (scsi_state & MPI2_SCSI_STATE_TERMINATED) |
| scmd->result = DID_RESET << 16; |
| else if (!xfer_cnt && scmd->cmnd[0] == REPORT_LUNS) { |
| mpi_reply->SCSIState = MPI2_SCSI_STATE_AUTOSENSE_VALID; |
| mpi_reply->SCSIStatus = SAM_STAT_CHECK_CONDITION; |
| scmd->result = (DRIVER_SENSE << 24) | |
| SAM_STAT_CHECK_CONDITION; |
| scmd->sense_buffer[0] = 0x70; |
| scmd->sense_buffer[2] = ILLEGAL_REQUEST; |
| scmd->sense_buffer[12] = 0x20; |
| scmd->sense_buffer[13] = 0; |
| } |
| break; |
| |
| case MPI2_IOCSTATUS_SCSI_DATA_OVERRUN: |
| scsi_set_resid(scmd, 0); |
| case MPI2_IOCSTATUS_SCSI_RECOVERED_ERROR: |
| case MPI2_IOCSTATUS_SUCCESS: |
| scmd->result = (DID_OK << 16) | scsi_status; |
| if (response_code == |
| MPI2_SCSITASKMGMT_RSP_INVALID_FRAME || |
| (scsi_state & (MPI2_SCSI_STATE_AUTOSENSE_FAILED | |
| MPI2_SCSI_STATE_NO_SCSI_STATUS))) |
| scmd->result = DID_SOFT_ERROR << 16; |
| else if (scsi_state & MPI2_SCSI_STATE_TERMINATED) |
| scmd->result = DID_RESET << 16; |
| break; |
| |
| case MPI2_IOCSTATUS_EEDP_GUARD_ERROR: |
| case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR: |
| case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR: |
| _scsih_eedp_error_handling(scmd, ioc_status); |
| break; |
| case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR: |
| case MPI2_IOCSTATUS_INVALID_FUNCTION: |
| case MPI2_IOCSTATUS_INVALID_SGL: |
| case MPI2_IOCSTATUS_INTERNAL_ERROR: |
| case MPI2_IOCSTATUS_INVALID_FIELD: |
| case MPI2_IOCSTATUS_INVALID_STATE: |
| case MPI2_IOCSTATUS_SCSI_IO_DATA_ERROR: |
| case MPI2_IOCSTATUS_SCSI_TASK_MGMT_FAILED: |
| default: |
| scmd->result = DID_SOFT_ERROR << 16; |
| break; |
| |
| } |
| |
| #ifdef CONFIG_SCSI_MPT2SAS_LOGGING |
| if (scmd->result && (ioc->logging_level & MPT_DEBUG_REPLY)) |
| _scsih_scsi_ioc_info(ioc , scmd, mpi_reply, smid); |
| #endif |
| |
| out: |
| scsi_dma_unmap(scmd); |
| scmd->scsi_done(scmd); |
| return 1; |
| } |
| |
| /** |
| * _scsih_sas_host_refresh - refreshing sas host object contents |
| * @ioc: per adapter object |
| * Context: user |
| * |
| * During port enable, fw will send topology events for every device. Its |
| * possible that the handles may change from the previous setting, so this |
| * code keeping handles updating if changed. |
| * |
| * Return nothing. |
| */ |
| static void |
| _scsih_sas_host_refresh(struct MPT2SAS_ADAPTER *ioc) |
| { |
| u16 sz; |
| u16 ioc_status; |
| int i; |
| Mpi2ConfigReply_t mpi_reply; |
| Mpi2SasIOUnitPage0_t *sas_iounit_pg0 = NULL; |
| u16 attached_handle; |
| |
| dtmprintk(ioc, printk(MPT2SAS_INFO_FMT |
| "updating handles for sas_host(0x%016llx)\n", |
| ioc->name, (unsigned long long)ioc->sas_hba.sas_address)); |
| |
| sz = offsetof(Mpi2SasIOUnitPage0_t, PhyData) + (ioc->sas_hba.num_phys |
| * sizeof(Mpi2SasIOUnit0PhyData_t)); |
| sas_iounit_pg0 = kzalloc(sz, GFP_KERNEL); |
| if (!sas_iounit_pg0) { |
| printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", |
| ioc->name, __FILE__, __LINE__, __func__); |
| return; |
| } |
| |
| if ((mpt2sas_config_get_sas_iounit_pg0(ioc, &mpi_reply, |
| sas_iounit_pg0, sz)) != 0) |
| goto out; |
| ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & MPI2_IOCSTATUS_MASK; |
| if (ioc_status != MPI2_IOCSTATUS_SUCCESS) |
| goto out; |
| for (i = 0; i < ioc->sas_hba.num_phys ; i++) { |
| if (i == 0) |
| ioc->sas_hba.handle = le16_to_cpu(sas_iounit_pg0-> |
| PhyData[0].ControllerDevHandle); |
| ioc->sas_hba.phy[i].handle = ioc->sas_hba.handle; |
| attached_handle = le16_to_cpu(sas_iounit_pg0->PhyData[i]. |
| AttachedDevHandle); |
| mpt2sas_transport_update_links(ioc, ioc->sas_hba.sas_address, |
| attached_handle, i, sas_iounit_pg0->PhyData[i]. |
| NegotiatedLinkRate >> 4); |
| } |
| out: |
| kfree(sas_iounit_pg0); |
| } |
| |
| /** |
| * _scsih_sas_host_add - create sas host object |
| * @ioc: per adapter object |
| * |
| * Creating host side data object, stored in ioc->sas_hba |
| * |
| * Return nothing. |
| */ |
| static void |
| _scsih_sas_host_add(struct MPT2SAS_ADAPTER *ioc) |
| { |
| int i; |
| Mpi2ConfigReply_t mpi_reply; |
| Mpi2SasIOUnitPage0_t *sas_iounit_pg0 = NULL; |
| Mpi2SasIOUnitPage1_t *sas_iounit_pg1 = NULL; |
| Mpi2SasPhyPage0_t phy_pg0; |
| Mpi2SasDevicePage0_t sas_device_pg0; |
| Mpi2SasEnclosurePage0_t enclosure_pg0; |
| u16 ioc_status; |
| u16 sz; |
| u16 device_missing_delay; |
| |
| mpt2sas_config_get_number_hba_phys(ioc, &ioc->sas_hba.num_phys); |
| if (!ioc->sas_hba.num_phys) { |
| printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", |
| ioc->name, __FILE__, __LINE__, __func__); |
| return; |
| } |
| |
| /* sas_iounit page 0 */ |
| sz = offsetof(Mpi2SasIOUnitPage0_t, PhyData) + (ioc->sas_hba.num_phys * |
| sizeof(Mpi2SasIOUnit0PhyData_t)); |
| sas_iounit_pg0 = kzalloc(sz, GFP_KERNEL); |
| if (!sas_iounit_pg0) { |
| printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", |
| ioc->name, __FILE__, __LINE__, __func__); |
| return; |
| } |
| if ((mpt2sas_config_get_sas_iounit_pg0(ioc, &mpi_reply, |
| sas_iounit_pg0, sz))) { |
| printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", |
| ioc->name, __FILE__, __LINE__, __func__); |
| goto out; |
| } |
| ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & |
| MPI2_IOCSTATUS_MASK; |
| if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { |
| printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", |
| ioc->name, __FILE__, __LINE__, __func__); |
| goto out; |
| } |
| |
| /* sas_iounit page 1 */ |
| sz = offsetof(Mpi2SasIOUnitPage1_t, PhyData) + (ioc->sas_hba.num_phys * |
| sizeof(Mpi2SasIOUnit1PhyData_t)); |
| sas_iounit_pg1 = kzalloc(sz, GFP_KERNEL); |
| if (!sas_iounit_pg1) { |
| printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", |
| ioc->name, __FILE__, __LINE__, __func__); |
| goto out; |
| } |
| if ((mpt2sas_config_get_sas_iounit_pg1(ioc, &mpi_reply, |
| sas_iounit_pg1, sz))) { |
| printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", |
| ioc->name, __FILE__, __LINE__, __func__); |
| goto out; |
| } |
| ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & |
| MPI2_IOCSTATUS_MASK; |
| if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { |
| printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", |
| ioc->name, __FILE__, __LINE__, __func__); |
| goto out; |
| } |
| |
| ioc->io_missing_delay = |
| le16_to_cpu(sas_iounit_pg1->IODeviceMissingDelay); |
| device_missing_delay = |
| le16_to_cpu(sas_iounit_pg1->ReportDeviceMissingDelay); |
| if (device_missing_delay & MPI2_SASIOUNIT1_REPORT_MISSING_UNIT_16) |
| ioc->device_missing_delay = (device_missing_delay & |
| MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK) * 16; |
| else |
| ioc->device_missing_delay = device_missing_delay & |
| MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK; |
| |
| ioc->sas_hba.parent_dev = &ioc->shost->shost_gendev; |
| ioc->sas_hba.phy = kcalloc(ioc->sas_hba.num_phys, |
| sizeof(struct _sas_phy), GFP_KERNEL); |
| if (!ioc->sas_hba.phy) { |
| printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", |
| ioc->name, __FILE__, __LINE__, __func__); |
| goto out; |
| } |
| for (i = 0; i < ioc->sas_hba.num_phys ; i++) { |
| if ((mpt2sas_config_get_phy_pg0(ioc, &mpi_reply, &phy_pg0, |
| i))) { |
| printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", |
| ioc->name, __FILE__, __LINE__, __func__); |
| goto out; |
| } |
| ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & |
| MPI2_IOCSTATUS_MASK; |
| if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { |
| printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", |
| ioc->name, __FILE__, __LINE__, __func__); |
| goto out; |
| } |
| |
| if (i == 0) |
| ioc->sas_hba.handle = le16_to_cpu(sas_iounit_pg0-> |
| PhyData[0].ControllerDevHandle); |
| ioc->sas_hba.phy[i].handle = ioc->sas_hba.handle; |
| ioc->sas_hba.phy[i].phy_id = i; |
| mpt2sas_transport_add_host_phy(ioc, &ioc->sas_hba.phy[i], |
| phy_pg0, ioc->sas_hba.parent_dev); |
| } |
| if ((mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0, |
| MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, ioc->sas_hba.handle))) { |
| printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", |
| ioc->name, __FILE__, __LINE__, __func__); |
| goto out; |
| } |
| ioc->sas_hba.enclosure_handle = |
| le16_to_cpu(sas_device_pg0.EnclosureHandle); |
| ioc->sas_hba.sas_address = le64_to_cpu(sas_device_pg0.SASAddress); |
| printk(MPT2SAS_INFO_FMT "host_add: handle(0x%04x), " |
| "sas_addr(0x%016llx), phys(%d)\n", ioc->name, ioc->sas_hba.handle, |
| (unsigned long long) ioc->sas_hba.sas_address, |
| ioc->sas_hba.num_phys) ; |
| |
| if (ioc->sas_hba.enclosure_handle) { |
| if (!(mpt2sas_config_get_enclosure_pg0(ioc, &mpi_reply, |
| &enclosure_pg0, |
| MPI2_SAS_ENCLOS_PGAD_FORM_HANDLE, |
| ioc->sas_hba.enclosure_handle))) { |
| ioc->sas_hba.enclosure_logical_id = |
| le64_to_cpu(enclosure_pg0.EnclosureLogicalID); |
| } |
| } |
| |
| out: |
| kfree(sas_iounit_pg1); |
| kfree(sas_iounit_pg0); |
| } |
| |
| /** |
| * _scsih_expander_add - creating expander object |
| * @ioc: per adapter object |
| * @handle: expander handle |
| * |
| * Creating expander object, stored in ioc->sas_expander_list. |
| * |
| * Return 0 for success, else error. |
| */ |
| static int |
| _scsih_expander_add(struct MPT2SAS_ADAPTER *ioc, u16 handle) |
| { |
| struct _sas_node *sas_expander; |
| Mpi2ConfigReply_t mpi_reply; |
| Mpi2ExpanderPage0_t expander_pg0; |
| Mpi2ExpanderPage1_t expander_pg1; |
| Mpi2SasEnclosurePage0_t enclosure_pg0; |
| u32 ioc_status; |
| u16 parent_handle; |
| __le64 sas_address, sas_address_parent = 0; |
| int i; |
| unsigned long flags; |
| struct _sas_port *mpt2sas_port = NULL; |
| int rc = 0; |
| |
| if (!handle) |
| return -1; |
| |
| if (ioc->shost_recovery) |
| return -1; |
| |
| if ((mpt2sas_config_get_expander_pg0(ioc, &mpi_reply, &expander_pg0, |
| MPI2_SAS_EXPAND_PGAD_FORM_HNDL, handle))) { |
| printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", |
| ioc->name, __FILE__, __LINE__, __func__); |
| return -1; |
| } |
| |
| ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & |
| MPI2_IOCSTATUS_MASK; |
| if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { |
| printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", |
| ioc->name, __FILE__, __LINE__, __func__); |
| return -1; |
| } |
| |
| /* handle out of order topology events */ |
| parent_handle = le16_to_cpu(expander_pg0.ParentDevHandle); |
| if (_scsih_get_sas_address(ioc, parent_handle, &sas_address_parent) |
| != 0) { |
| printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", |
| ioc->name, __FILE__, __LINE__, __func__); |
| return -1; |
| } |
| if (sas_address_parent != ioc->sas_hba.sas_address) { |
| spin_lock_irqsave(&ioc->sas_node_lock, flags); |
| sas_expander = mpt2sas_scsih_expander_find_by_sas_address(ioc, |
| sas_address_parent); |
| spin_unlock_irqrestore(&ioc->sas_node_lock, flags); |
| if (!sas_expander) { |
| rc = _scsih_expander_add(ioc, parent_handle); |
| if (rc != 0) |
| return rc; |
| } |
| } |
| |
| spin_lock_irqsave(&ioc->sas_node_lock, flags); |
| sas_address = le64_to_cpu(expander_pg0.SASAddress); |
| sas_expander = mpt2sas_scsih_expander_find_by_sas_address(ioc, |
| sas_address); |
| spin_unlock_irqrestore(&ioc->sas_node_lock, flags); |
| |
| if (sas_expander) |
| return 0; |
| |
| sas_expander = kzalloc(sizeof(struct _sas_node), |
| GFP_KERNEL); |
| if (!sas_expander) { |
| printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", |
| ioc->name, __FILE__, __LINE__, __func__); |
| return -1; |
| } |
| |
| sas_expander->handle = handle; |
| sas_expander->num_phys = expander_pg0.NumPhys; |
| sas_expander->sas_address_parent = sas_address_parent; |
| sas_expander->sas_address = sas_address; |
| |
| printk(MPT2SAS_INFO_FMT "expander_add: handle(0x%04x)," |
| " parent(0x%04x), sas_addr(0x%016llx), phys(%d)\n", ioc->name, |
| handle, parent_handle, (unsigned long long) |
| sas_expander->sas_address, sas_expander->num_phys); |
| |
| if (!sas_expander->num_phys) |
| goto out_fail; |
| sas_expander->phy = kcalloc(sas_expander->num_phys, |
| sizeof(struct _sas_phy), GFP_KERNEL); |
| if (!sas_expander->phy) { |
| printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", |
| ioc->name, __FILE__, __LINE__, __func__); |
| rc = -1; |
| goto out_fail; |
| } |
| |
| INIT_LIST_HEAD(&sas_expander->sas_port_list); |
| mpt2sas_port = mpt2sas_transport_port_add(ioc, handle, |
| sas_address_parent); |
| if (!mpt2sas_port) { |
| printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", |
| ioc->name, __FILE__, __LINE__, __func__); |
| rc = -1; |
| goto out_fail; |
| } |
| sas_expander->parent_dev = &mpt2sas_port->rphy->dev; |
| |
| for (i = 0 ; i < sas_expander->num_phys ; i++) { |
| if ((mpt2sas_config_get_expander_pg1(ioc, &mpi_reply, |
| &expander_pg1, i, handle))) { |
| printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", |
| ioc->name, __FILE__, __LINE__, __func__); |
| rc = -1; |
| goto out_fail; |
| } |
| sas_expander->phy[i].handle = handle; |
| sas_expander->phy[i].phy_id = i; |
| |
| if ((mpt2sas_transport_add_expander_phy(ioc, |
| &sas_expander->phy[i], expander_pg1, |
| sas_expander->parent_dev))) { |
| printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", |
| ioc->name, __FILE__, __LINE__, __func__); |
| rc = -1; |
| goto out_fail; |
| } |
| } |
| |
| if (sas_expander->enclosure_handle) { |
| if (!(mpt2sas_config_get_enclosure_pg0(ioc, &mpi_reply, |
| &enclosure_pg0, MPI2_SAS_ENCLOS_PGAD_FORM_HANDLE, |
| sas_expander->enclosure_handle))) { |
| sas_expander->enclosure_logical_id = |
| le64_to_cpu(enclosure_pg0.EnclosureLogicalID); |
| } |
| } |
| |
| _scsih_expander_node_add(ioc, sas_expander); |
| return 0; |
| |
| out_fail: |
| |
| if (mpt2sas_port) |
| mpt2sas_transport_port_remove(ioc, sas_expander->sas_address, |
| sas_address_parent); |
| kfree(sas_expander); |
| return rc; |
| } |
| |
| /** |
| * _scsih_done - scsih callback handler. |
| * @ioc: per adapter object |
| * @smid: system request message index |
| * @msix_index: MSIX table index supplied by the OS |
| * @reply: reply message frame(lower 32bit addr) |
| * |
| * Callback handler when sending internal generated message frames. |
| * The callback index passed is `ioc->scsih_cb_idx` |
| * |
| * Return 1 meaning mf should be freed from _base_interrupt |
| * 0 means the mf is freed from this function. |
| */ |
| static u8 |
| _scsih_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index, u32 reply) |
| { |
| MPI2DefaultReply_t *mpi_reply; |
| |
| mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply); |
| if (ioc->scsih_cmds.status == MPT2_CMD_NOT_USED) |
| return 1; |
| if (ioc->scsih_cmds.smid != smid) |
| return 1; |
| ioc->scsih_cmds.status |= MPT2_CMD_COMPLETE; |
| if (mpi_reply) { |
| memcpy(ioc->scsih_cmds.reply, mpi_reply, |
| mpi_reply->MsgLength*4); |
| ioc->scsih_cmds.status |= MPT2_CMD_REPLY_VALID; |
| } |
| ioc->scsih_cmds.status &= ~MPT2_CMD_PENDING; |
| complete(&ioc->scsih_cmds.done); |
| return 1; |
| } |
| |
| /** |
| * _scsih_expander_remove - removing expander object |
| * @ioc: per adapter object |
| * @sas_address: expander sas_address |
| * |
| * Return nothing. |
| */ |
| static void |
| _scsih_expander_remove(struct MPT2SAS_ADAPTER *ioc, u64 sas_address) |
| { |
| struct _sas_node *sas_expander; |
| unsigned long flags; |
| |
| if (ioc->shost_recovery) |
| return; |
| |
| spin_lock_irqsave(&ioc->sas_node_lock, flags); |
| sas_expander = mpt2sas_scsih_expander_find_by_sas_address(ioc, |
| sas_address); |
| spin_unlock_irqrestore(&ioc->sas_node_lock, flags); |
| _scsih_expander_node_remove(ioc, sas_expander); |
| } |
| |
| /** |
| * _scsih_check_access_status - check access flags |
| * @ioc: per adapter object |
| * @sas_address: sas address |
| * @handle: sas device handle |
| * @access_flags: errors returned during discovery of the device |
| * |
| * Return 0 for success, else failure |
| */ |
| static u8 |
| _scsih_check_access_status(struct MPT2SAS_ADAPTER *ioc, u64 sas_address, |
| u16 handle, u8 access_status) |
| { |
| u8 rc = 1; |
| char *desc = NULL; |
| |
| switch (access_status) { |
| case MPI2_SAS_DEVICE0_ASTATUS_NO_ERRORS: |
| case MPI2_SAS_DEVICE0_ASTATUS_SATA_NEEDS_INITIALIZATION: |
| rc = 0; |
| break; |
| case MPI2_SAS_DEVICE0_ASTATUS_SATA_CAPABILITY_FAILED: |
| desc = "sata capability failed"; |
| break; |
| case MPI2_SAS_DEVICE0_ASTATUS_SATA_AFFILIATION_CONFLICT: |
| desc = "sata affiliation conflict"; |
| break; |
| case MPI2_SAS_DEVICE0_ASTATUS_ROUTE_NOT_ADDRESSABLE: |
| desc = "route not addressable"; |
| break; |
| case MPI2_SAS_DEVICE0_ASTATUS_SMP_ERROR_NOT_ADDRESSABLE: |
| desc = "smp error not addressable"; |
| break; |
| case MPI2_SAS_DEVICE0_ASTATUS_DEVICE_BLOCKED: |
| desc = "device blocked"; |
| break; |
| case MPI2_SAS_DEVICE0_ASTATUS_SATA_INIT_FAILED: |
| case MPI2_SAS_DEVICE0_ASTATUS_SIF_UNKNOWN: |
| case MPI2_SAS_DEVICE0_ASTATUS_SIF_AFFILIATION_CONFLICT: |
| case MPI2_SAS_DEVICE0_ASTATUS_SIF_DIAG: |
| case MPI2_SAS_DEVICE0_ASTATUS_SIF_IDENTIFICATION: |
| case MPI2_SAS_DEVICE0_ASTATUS_SIF_CHECK_POWER: |
| case MPI2_SAS_DEVICE0_ASTATUS_SIF_PIO_SN: |
| case MPI2_SAS_DEVICE0_ASTATUS_SIF_MDMA_SN: |
| case MPI2_SAS_DEVICE0_ASTATUS_SIF_UDMA_SN: |
| case MPI2_SAS_DEVICE0_ASTATUS_SIF_ZONING_VIOLATION: |
| case MPI2_SAS_DEVICE0_ASTATUS_SIF_NOT_ADDRESSABLE: |
| case MPI2_SAS_DEVICE0_ASTATUS_SIF_MAX: |
| desc = "sata initialization failed"; |
| break; |
| default: |
| desc = "unknown"; |
| break; |
| } |
| |
| if (!rc) |
| return 0; |
| |
| printk(MPT2SAS_ERR_FMT "discovery errors(%s): sas_address(0x%016llx), " |
| "handle(0x%04x)\n", ioc->name, desc, |
| (unsigned long long)sas_address, handle); |
| return rc; |
| } |
| |
| static void |
| _scsih_check_device(struct MPT2SAS_ADAPTER *ioc, u16 handle) |
| { |
| Mpi2ConfigReply_t mpi_reply; |
| Mpi2SasDevicePage0_t sas_device_pg0; |
| struct _sas_device *sas_device; |
| u32 ioc_status; |
| unsigned long flags; |
| u64 sas_address; |
| struct scsi_target *starget; |
| struct MPT2SAS_TARGET *sas_target_priv_data; |
| u32 device_info; |
| |
| if ((mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0, |
| MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) |
| return; |
| |
| ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & MPI2_IOCSTATUS_MASK; |
| if (ioc_status != MPI2_IOCSTATUS_SUCCESS) |
| return; |
| |
| /* check if this is end device */ |
| device_info = le32_to_cpu(sas_device_pg0.DeviceInfo); |
| if (!(_scsih_is_end_device(device_info))) |
| return; |
| |
| spin_lock_irqsave(&ioc->sas_device_lock, flags); |
| sas_address = le64_to_cpu(sas_device_pg0.SASAddress); |
| sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc, |
| sas_address); |
| |
| if (!sas_device) { |
| printk(MPT2SAS_ERR_FMT "device is not present " |
| "handle(0x%04x), no sas_device!!!\n", ioc->name, handle); |
| spin_unlock_irqrestore(&ioc->sas_device_lock, flags); |
| return; |
| } |
| |
| if (unlikely(sas_device->handle != handle)) { |
| starget = sas_device->starget; |
| sas_target_priv_data = starget->hostdata; |
| starget_printk(KERN_INFO, starget, "handle changed from(0x%04x)" |
| " to (0x%04x)!!!\n", sas_device->handle, handle); |
| sas_target_priv_data->handle = handle; |
| sas_device->handle = handle; |
| } |
| spin_unlock_irqrestore(&ioc->sas_device_lock, flags); |
| |
| /* check if device is present */ |
| if (!(le16_to_cpu(sas_device_pg0.Flags) & |
| MPI2_SAS_DEVICE0_FLAGS_DEVICE_PRESENT)) { |
| printk(MPT2SAS_ERR_FMT "device is not present " |
| "handle(0x%04x), flags!!!\n", ioc->name, handle); |
| return; |
| } |
| |
| /* check if there were any issues with discovery */ |
| if (_scsih_check_access_status(ioc, sas_address, handle, |
| sas_device_pg0.AccessStatus)) |
| return; |
| _scsih_ublock_io_device(ioc, handle); |
| |
| } |
| |
| /** |
| * _scsih_add_device - creating sas device object |
| * @ioc: per adapter object |
| * @handle: sas device handle |
| * @phy_num: phy number end device attached to |
| * @is_pd: is this hidden raid component |
| * |
| * Creating end device object, stored in ioc->sas_device_list. |
| * |
| * Returns 0 for success, non-zero for failure. |
| */ |
| static int |
| _scsih_add_device(struct MPT2SAS_ADAPTER *ioc, u16 handle, u8 phy_num, u8 is_pd) |
| { |
| Mpi2ConfigReply_t mpi_reply; |
| Mpi2SasDevicePage0_t sas_device_pg0; |
| Mpi2SasEnclosurePage0_t enclosure_pg0; |
| struct _sas_device *sas_device; |
| u32 ioc_status; |
| __le64 sas_address; |
| u32 device_info; |
| unsigned long flags; |
| |
| 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 -1; |
| } |
| |
| ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & |
| MPI2_IOCSTATUS_MASK; |
| if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { |
| printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", |
| ioc->name, __FILE__, __LINE__, __func__); |
| return -1; |
| } |
| |
| sas_address = le64_to_cpu(sas_device_pg0.SASAddress); |
| |
| /* check if device is present */ |
| if (!(le16_to_cpu(sas_device_pg0.Flags) & |
| MPI2_SAS_DEVICE0_FLAGS_DEVICE_PRESENT)) { |
| printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", |
| ioc->name, __FILE__, __LINE__, __func__); |
| printk(MPT2SAS_ERR_FMT "Flags = 0x%04x\n", |
| ioc->name, le16_to_cpu(sas_device_pg0.Flags)); |
| return -1; |
| } |
| |
| /* check if there were any issues with discovery */ |
| if (_scsih_check_access_status(ioc, sas_address, handle, |
| sas_device_pg0.AccessStatus)) |
| return -1; |
| |
| /* check if this is end device */ |
| device_info = le32_to_cpu(sas_device_pg0.DeviceInfo); |
| if (!(_scsih_is_end_device(device_info))) { |
| printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", |
| ioc->name, __FILE__, __LINE__, __func__); |
| return -1; |
| } |
| |
| |
| spin_lock_irqsave(&ioc->sas_device_lock, flags); |
| sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc, |
| sas_address); |
| spin_unlock_irqrestore(&ioc->sas_device_lock, flags); |
| |
| if (sas_device) |
| return 0; |
| |
| sas_device = kzalloc(sizeof(struct _sas_device), |
| GFP_KERNEL); |
| if (!sas_device) { |
| printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", |
| ioc->name, __FILE__, __LINE__, __func__); |
| return -1; |
| } |
| |
| sas_device->handle = handle; |
| if (_scsih_get_sas_address(ioc, le16_to_cpu |
| (sas_device_pg0.ParentDevHandle), |
| &sas_device->sas_address_parent) != 0) |
| printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", |
| ioc->name, __FILE__, __LINE__, __func__); |
| sas_device->enclosure_handle = |
| le16_to_cpu(sas_device_pg0.EnclosureHandle); |
| sas_device->slot = |
| le16_to_cpu(sas_device_pg0.Slot); |
| sas_device->device_info = device_info; |
| sas_device->sas_address = sas_address; |
| sas_device->phy = sas_device_pg0.PhyNum; |
| |
| /* get enclosure_logical_id */ |
| if (sas_device->enclosure_handle && !(mpt2sas_config_get_enclosure_pg0( |
| ioc, &mpi_reply, &enclosure_pg0, MPI2_SAS_ENCLOS_PGAD_FORM_HANDLE, |
| sas_device->enclosure_handle))) |
| sas_device->enclosure_logical_id = |
| le64_to_cpu(enclosure_pg0.EnclosureLogicalID); |
| |
| /* get device name */ |
| sas_device->device_name = le64_to_cpu(sas_device_pg0.DeviceName); |
| |
| if (ioc->wait_for_port_enable_to_complete) |
| _scsih_sas_device_init_add(ioc, sas_device); |
| else |
| _scsih_sas_device_add(ioc, sas_device); |
| |
| return 0; |
| } |
| |
| /** |
| * _scsih_remove_device - removing sas device object |
| * @ioc: per adapter object |
| * @sas_device_delete: the sas_device object |
| * |
| * Return nothing. |
| */ |
| static void |
| _scsih_remove_device(struct MPT2SAS_ADAPTER *ioc, |
| struct _sas_device *sas_device) |
| { |
| struct _sas_device sas_device_backup; |
| struct MPT2SAS_TARGET *sas_target_priv_data; |
| |
| if (!sas_device) |
| return; |
| |
| memcpy(&sas_device_backup, sas_device, sizeof(struct _sas_device)); |
| _scsih_sas_device_remove(ioc, sas_device); |
| |
| dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: enter: " |
| "handle(0x%04x), sas_addr(0x%016llx)\n", ioc->name, __func__, |
| sas_device_backup.handle, (unsigned long long) |
| sas_device_backup.sas_address)); |
| |
| if (sas_device_backup.starget && sas_device_backup.starget->hostdata) { |
| sas_target_priv_data = sas_device_backup.starget->hostdata; |
| sas_target_priv_data->deleted = 1; |
| } |
| |
| _scsih_ublock_io_device(ioc, sas_device_backup.handle); |
| |
| mpt2sas_transport_port_remove(ioc, sas_device_backup.sas_address, |
| sas_device_backup.sas_address_parent); |
| |
| printk(MPT2SAS_INFO_FMT "removing handle(0x%04x), sas_addr" |
| "(0x%016llx)\n", ioc->name, sas_device_backup.handle, |
| (unsigned long long) sas_device_backup.sas_address); |
| |
| dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: exit: " |
| "handle(0x%04x), sas_addr(0x%016llx)\n", ioc->name, __func__, |
| sas_device_backup.handle, (unsigned long long) |
| sas_device_backup.sas_address)); |
| } |
| |
| #ifdef CONFIG_SCSI_MPT2SAS_LOGGING |
| /** |
| * _scsih_sas_topology_change_event_debug - debug for topology event |
| * @ioc: per adapter object |
| * @event_data: event data payload |
| * Context: user. |
| */ |
| static void |
| _scsih_sas_topology_change_event_debug(struct MPT2SAS_ADAPTER *ioc, |
| Mpi2EventDataSasTopologyChangeList_t *event_data) |
| { |
| int i; |
| u16 handle; |
| u16 reason_code; |
| u8 phy_number; |
| char *status_str = NULL; |
| u8 link_rate, prev_link_rate; |
| |
| switch (event_data->ExpStatus) { |
| case MPI2_EVENT_SAS_TOPO_ES_ADDED: |
| status_str = "add"; |
| break; |
| case MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING: |
| status_str = "remove"; |
| break; |
| case MPI2_EVENT_SAS_TOPO_ES_RESPONDING: |
| case 0: |
| status_str = "responding"; |
| break; |
| case MPI2_EVENT_SAS_TOPO_ES_DELAY_NOT_RESPONDING: |
| status_str = "remove delay"; |
| break; |
| default: |
| status_str = "unknown status"; |
| break; |
| } |
| printk(MPT2SAS_INFO_FMT "sas topology change: (%s)\n", |
| ioc->name, status_str); |
| printk(KERN_INFO "\thandle(0x%04x), enclosure_handle(0x%04x) " |
| "start_phy(%02d), count(%d)\n", |
| le16_to_cpu(event_data->ExpanderDevHandle), |
| le16_to_cpu(event_data->EnclosureHandle), |
| event_data->StartPhyNum, event_data->NumEntries); |
| for (i = 0; i < event_data->NumEntries; i++) { |
| handle = le16_to_cpu(event_data->PHY[i].AttachedDevHandle); |
| if (!handle) |
| continue; |
| phy_number = event_data->StartPhyNum + i; |
| reason_code = event_data->PHY[i].PhyStatus & |
| MPI2_EVENT_SAS_TOPO_RC_MASK; |
| switch (reason_code) { |
| case MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED: |
| status_str = "target add"; |
| break; |
| case MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING: |
| status_str = "target remove"; |
| break; |
| case MPI2_EVENT_SAS_TOPO_RC_DELAY_NOT_RESPONDING: |
| status_str = "delay target remove"; |
| break; |
| case MPI2_EVENT_SAS_TOPO_RC_PHY_CHANGED: |
| status_str = "link rate change"; |
| break; |
| case MPI2_EVENT_SAS_TOPO_RC_NO_CHANGE: |
| status_str = "target responding"; |
| break; |
| default: |
| status_str = "unknown"; |
| break; |
| } |
| link_rate = event_data->PHY[i].LinkRate >> 4; |
| prev_link_rate = event_data->PHY[i].LinkRate & 0xF; |
| printk(KERN_INFO "\tphy(%02d), attached_handle(0x%04x): %s:" |
| " link rate: new(0x%02x), old(0x%02x)\n", phy_number, |
| handle, status_str, link_rate, prev_link_rate); |
| |
| } |
| } |
| #endif |
| |
| /** |
| * _scsih_sas_topology_change_event - handle topology changes |
| * @ioc: per adapter object |
| * @fw_event: The fw_event_work object |
| * Context: user. |
| * |
| */ |
| static void |
| _scsih_sas_topology_change_event(struct MPT2SAS_ADAPTER *ioc, |
| struct fw_event_work *fw_event) |
| { |
| int i; |
| u16 parent_handle, handle; |
| u16 reason_code; |
| u8 phy_number; |
| struct _sas_node *sas_expander; |
| struct _sas_device *sas_device; |
| u64 sas_address; |
| unsigned long flags; |
| u8 link_rate, prev_link_rate; |
| Mpi2EventDataSasTopologyChangeList_t *event_data = fw_event->event_data; |
| |
| #ifdef CONFIG_SCSI_MPT2SAS_LOGGING |
| if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK) |
| _scsih_sas_topology_change_event_debug(ioc, event_data); |
| #endif |
| |
| if (ioc->shost_recovery || ioc->remove_host) |
| return; |
| |
| if (!ioc->sas_hba.num_phys) |
| _scsih_sas_host_add(ioc); |
| else |
| _scsih_sas_host_refresh(ioc); |
| |
| if (fw_event->ignore) { |
| dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "ignoring expander " |
| "event\n", ioc->name)); |
| return; |
| } |
| |
| parent_handle = le16_to_cpu(event_data->ExpanderDevHandle); |
| |
| /* handle expander add */ |
| if (event_data->ExpStatus == MPI2_EVENT_SAS_TOPO_ES_ADDED) |
| if (_scsih_expander_add(ioc, parent_handle) != 0) |
| return; |
| |
| spin_lock_irqsave(&ioc->sas_node_lock, flags); |
| sas_expander = mpt2sas_scsih_expander_find_by_handle(ioc, |
| parent_handle); |
| spin_unlock_irqrestore(&ioc->sas_node_lock, flags); |
| if (sas_expander) |
| sas_address = sas_expander->sas_address; |
| else if (parent_handle < ioc->sas_hba.num_phys) |
| sas_address = ioc->sas_hba.sas_address; |
| else |
| return; |
| |
| /* handle siblings events */ |
| for (i = 0; i < event_data->NumEntries; i++) { |
| if (fw_event->ignore) { |
| dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "ignoring " |
| "expander event\n", ioc->name)); |
| return; |
| } |
| if (ioc->shost_recovery || ioc->remove_host) |
| return; |
| phy_number = event_data->StartPhyNum + i; |
| reason_code = event_data->PHY[i].PhyStatus & |
| MPI2_EVENT_SAS_TOPO_RC_MASK; |
| if ((event_data->PHY[i].PhyStatus & |
| MPI2_EVENT_SAS_TOPO_PHYSTATUS_VACANT) && (reason_code != |
| MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING)) |
| continue; |
| handle = le16_to_cpu(event_data->PHY[i].AttachedDevHandle); |
| if (!handle) |
| continue; |
| link_rate = event_data->PHY[i].LinkRate >> 4; |
| prev_link_rate = event_data->PHY[i].LinkRate & 0xF; |
| switch (reason_code) { |
| case MPI2_EVENT_SAS_TOPO_RC_PHY_CHANGED: |
| |
| if (link_rate == prev_link_rate) |
| break; |
| |
| mpt2sas_transport_update_links(ioc, sas_address, |
| handle, phy_number, link_rate); |
| |
| if (link_rate < MPI2_SAS_NEG_LINK_RATE_1_5) |
| break; |
| |
| _scsih_check_device(ioc, handle); |
| break; |
| case MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED: |
| |
| mpt2sas_transport_update_links(ioc, sas_address, |
| handle, phy_number, link_rate); |
| |
| _scsih_add_device(ioc, handle, phy_number, 0); |
| break; |
| case MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING: |
| |
| spin_lock_irqsave(&ioc->sas_device_lock, flags); |
| sas_device = _scsih_sas_device_find_by_handle(ioc, |
| handle); |
| if (!sas_device) { |
| spin_unlock_irqrestore(&ioc->sas_device_lock, |
| flags); |
| break; |
| } |
| spin_unlock_irqrestore(&ioc->sas_device_lock, flags); |
| _scsih_remove_device(ioc, sas_device); |
| break; |
| } |
| } |
| |
| /* handle expander removal */ |
| if (event_data->ExpStatus == MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING && |
| sas_expander) |
| _scsih_expander_remove(ioc, sas_address); |
| |
| } |
| |
| #ifdef CONFIG_SCSI_MPT2SAS_LOGGING |
| /** |
| * _scsih_sas_device_status_change_event_debug - debug for device event |
| * @event_data: event data payload |
| * Context: user. |
| * |
| * Return nothing. |
| */ |
| static void |
| _scsih_sas_device_status_change_event_debug(struct MPT2SAS_ADAPTER *ioc, |
| Mpi2EventDataSasDeviceStatusChange_t *event_data) |
| { |
| char *reason_str = NULL; |
| |
| switch (event_data->ReasonCode) { |
| case MPI2_EVENT_SAS_DEV_STAT_RC_SMART_DATA: |
| reason_str = "smart data"; |
| break; |
| case MPI2_EVENT_SAS_DEV_STAT_RC_UNSUPPORTED: |
| reason_str = "unsupported device discovered"; |
| break; |
| case MPI2_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET: |
| reason_str = "internal device reset"; |
| break; |
| case MPI2_EVENT_SAS_DEV_STAT_RC_TASK_ABORT_INTERNAL: |
| reason_str = "internal task abort"; |
| break; |
| case MPI2_EVENT_SAS_DEV_STAT_RC_ABORT_TASK_SET_INTERNAL: |
| reason_str = "internal task abort set"; |
| break; |
| case MPI2_EVENT_SAS_DEV_STAT_RC_CLEAR_TASK_SET_INTERNAL: |
| reason_str = "internal clear task set"; |
| break; |
| case MPI2_EVENT_SAS_DEV_STAT_RC_QUERY_TASK_INTERNAL: |
| reason_str = "internal query task"; |
| break; |
| case MPI2_EVENT_SAS_DEV_STAT_RC_SATA_INIT_FAILURE: |
| reason_str = "sata init failure"; |
| break; |
| case MPI2_EVENT_SAS_DEV_STAT_RC_CMP_INTERNAL_DEV_RESET: |
| reason_str = "internal device reset complete"; |
| break; |
| case MPI2_EVENT_SAS_DEV_STAT_RC_CMP_TASK_ABORT_INTERNAL: |
| reason_str = "internal task abort complete"; |
| break; |
| case MPI2_EVENT_SAS_DEV_STAT_RC_ASYNC_NOTIFICATION: |
| reason_str = "internal async notification"; |
| break; |
| case MPI2_EVENT_SAS_DEV_STAT_RC_EXPANDER_REDUCED_FUNCTIONALITY: |
| reason_str = "expander reduced functionality"; |
| break; |
| case MPI2_EVENT_SAS_DEV_STAT_RC_CMP_EXPANDER_REDUCED_FUNCTIONALITY: |
| reason_str = "expander reduced functionality complete"; |
| break; |
| default: |
| reason_str = "unknown reason"; |
| break; |
| } |
| printk(MPT2SAS_INFO_FMT "device status change: (%s)\n" |
| "\thandle(0x%04x), sas address(0x%016llx)", ioc->name, |
| reason_str, le16_to_cpu(event_data->DevHandle), |
| (unsigned long long)le64_to_cpu(event_data->SASAddress)); |
| if (event_data->ReasonCode == MPI2_EVENT_SAS_DEV_STAT_RC_SMART_DATA) |
| printk(MPT2SAS_INFO_FMT ", ASC(0x%x), ASCQ(0x%x)\n", ioc->name, |
| event_data->ASC, event_data->ASCQ); |
| printk(KERN_INFO "\n"); |
| } |
| #endif |
| |
| /** |
| * _scsih_sas_device_status_change_event - handle device status change |
| * @ioc: per adapter object |
| * @fw_event: The fw_event_work object |
| * Context: user. |
| * |
| * Return nothing. |
| */ |
| static void |
| _scsih_sas_device_status_change_event(struct MPT2SAS_ADAPTER *ioc, |
| struct fw_event_work *fw_event) |
| { |
| struct MPT2SAS_TARGET *target_priv_data; |
| struct _sas_device *sas_device; |
| __le64 sas_address; |
| unsigned long flags; |
| Mpi2EventDataSasDeviceStatusChange_t *event_data = |
| fw_event->event_data; |
| |
| #ifdef CONFIG_SCSI_MPT2SAS_LOGGING |
| if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK) |
| _scsih_sas_device_status_change_event_debug(ioc, |
| event_data); |
| #endif |
| |
| if (event_data->ReasonCode != |
| MPI2_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET && |
| event_data->ReasonCode != |
| MPI2_EVENT_SAS_DEV_STAT_RC_CMP_INTERNAL_DEV_RESET) |
| return; |
| |
| spin_lock_irqsave(&ioc->sas_device_lock, flags); |
| sas_address = le64_to_cpu(event_data->SASAddress); |
| sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc, |
| sas_address); |
| spin_unlock_irqrestore(&ioc->sas_device_lock, flags); |
| |
| if (!sas_device || !sas_device->starget) |
| return; |
| |
| target_priv_data = sas_device->starget->hostdata; |
| if (!target_priv_data) |
| return; |
| |
| if (event_data->ReasonCode == |
| MPI2_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET) |
| target_priv_data->tm_busy = 1; |
| else |
| target_priv_data->tm_busy = 0; |
| } |
| |
| #ifdef CONFIG_SCSI_MPT2SAS_LOGGING |
| /** |
| * _scsih_sas_enclosure_dev_status_change_event_debug - debug for enclosure event |
| * @ioc: per adapter object |
| * @event_data: event data payload |
| * Context: user. |
| * |
| * Return nothing. |
| */ |
| static void |
| _scsih_sas_enclosure_dev_status_change_event_debug(struct MPT2SAS_ADAPTER *ioc, |
| Mpi2EventDataSasEnclDevStatusChange_t *event_data) |
| { |
| char *reason_str = NULL; |
| |
| switch (event_data->ReasonCode) { |
| case MPI2_EVENT_SAS_ENCL_RC_ADDED: |
| reason_str = "enclosure add"; |
| break; |
| case MPI2_EVENT_SAS_ENCL_RC_NOT_RESPONDING: |
| reason_str = "enclosure remove"; |
| break; |
| default: |
| reason_str = "unknown reason"; |
| break; |
| } |
| |
| printk(MPT2SAS_INFO_FMT "enclosure status change: (%s)\n" |
| "\thandle(0x%04x), enclosure logical id(0x%016llx)" |
| " number slots(%d)\n", ioc->name, reason_str, |
| le16_to_cpu(event_data->EnclosureHandle), |
| (unsigned long long)le64_to_cpu(event_data->EnclosureLogicalID), |
| le16_to_cpu(event_data->StartSlot)); |
| } |
| #endif |
| |
| /** |
| * _scsih_sas_enclosure_dev_status_change_event - handle enclosure events |
| * @ioc: per adapter object |
| * @fw_event: The fw_event_work object |
| * Context: user. |
| * |
| * Return nothing. |
| */ |
| static void |
| _scsih_sas_enclosure_dev_status_change_event(struct MPT2SAS_ADAPTER *ioc, |
| struct fw_event_work *fw_event) |
| { |
| #ifdef CONFIG_SCSI_MPT2SAS_LOGGING |
| if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK) |
| _scsih_sas_enclosure_dev_status_change_event_debug(ioc, |
| fw_event->event_data); |
| #endif |
| } |
| |
| /** |
| * _scsih_sas_broadcast_primative_event - handle broadcast events |
| * @ioc: per adapter object |
| * @fw_event: The fw_event_work object |
| * Context: user. |
| * |
| * Return nothing. |
| */ |
| static void |
| _scsih_sas_broadcast_primative_event(struct MPT2SAS_ADAPTER *ioc, |
| struct fw_event_work *fw_event) |
| { |
| struct scsi_cmnd *scmd; |
| u16 smid, handle; |
| u32 lun; |
| struct MPT2SAS_DEVICE *sas_device_priv_data; |
| u32 termination_count; |
| u32 query_count; |
| Mpi2SCSITaskManagementReply_t *mpi_reply; |
| #ifdef CONFIG_SCSI_MPT2SAS_LOGGING |
| Mpi2EventDataSasBroadcastPrimitive_t *event_data = fw_event->event_data; |
| #endif |
| u16 ioc_status; |
| dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "broadcast primative: " |
| "phy number(%d), width(%d)\n", ioc->name, event_data->PhyNum, |
| event_data->PortWidth)); |
| dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: enter\n", ioc->name, |
| __func__)); |
| |
| termination_count = 0; |
| query_count = 0; |
| mpi_reply = ioc->tm_cmds.reply; |
| for (smid = 1; smid <= ioc->scsiio_depth; smid++) { |
| scmd = _scsih_scsi_lookup_get(ioc, smid); |
| if (!scmd) |
| continue; |
| sas_device_priv_data = scmd->device->hostdata; |
| if (!sas_device_priv_data || !sas_device_priv_data->sas_target) |
| continue; |
| /* skip hidden raid components */ |
| if (sas_device_priv_data->sas_target->flags & |
| MPT_TARGET_FLAGS_RAID_COMPONENT) |
| continue; |
| /* skip volumes */ |
| if (sas_device_priv_data->sas_target->flags & |
| MPT_TARGET_FLAGS_VOLUME) |
| continue; |
| |
| handle = sas_device_priv_data->sas_target->handle; |
| lun = sas_device_priv_data->lun; |
| query_count++; |
| |
| mpt2sas_scsih_issue_tm(ioc, handle, 0, 0, lun, |
| MPI2_SCSITASKMGMT_TASKTYPE_QUERY_TASK, smid, 30, NULL); |
| ioc->tm_cmds.status = MPT2_CMD_NOT_USED; |
| ioc_status = le16_to_cpu(mpi_reply->IOCStatus) |
| & MPI2_IOCSTATUS_MASK; |
| if ((ioc_status == MPI2_IOCSTATUS_SUCCESS) && |
| (mpi_reply->ResponseCode == |
| MPI2_SCSITASKMGMT_RSP_TM_SUCCEEDED || |
| mpi_reply->ResponseCode == |
| MPI2_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC)) |
| continue; |
| |
| mpt2sas_scsih_issue_tm(ioc, handle, 0, 0, lun, |
| MPI2_SCSITASKMGMT_TASKTYPE_ABRT_TASK_SET, 0, 30, NULL); |
| termination_count += le32_to_cpu(mpi_reply->TerminationCount); |
| } |
| ioc->broadcast_aen_busy = 0; |
| |
| dtmprintk(ioc, printk(MPT2SAS_INFO_FMT |
| "%s - exit, query_count = %d termination_count = %d\n", |
| ioc->name, __func__, query_count, termination_count)); |
| } |
| |
| /** |
| * _scsih_sas_discovery_event - handle discovery events |
| * @ioc: per adapter object |
| * @fw_event: The fw_event_work object |
| * Context: user. |
| * |
| * Return nothing. |
| */ |
| static void |
| _scsih_sas_discovery_event(struct MPT2SAS_ADAPTER *ioc, |
| struct fw_event_work *fw_event) |
| { |
| Mpi2EventDataSasDiscovery_t *event_data = fw_event->event_data; |
| |
| #ifdef CONFIG_SCSI_MPT2SAS_LOGGING |
| if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK) { |
| printk(MPT2SAS_INFO_FMT "discovery event: (%s)", ioc->name, |
| (event_data->ReasonCode == MPI2_EVENT_SAS_DISC_RC_STARTED) ? |
| "start" : "stop"); |
| if (event_data->DiscoveryStatus) |
| printk("discovery_status(0x%08x)", |
| le32_to_cpu(event_data->DiscoveryStatus)); |
| printk("\n"); |
| } |
| #endif |
| |
| if (event_data->ReasonCode == MPI2_EVENT_SAS_DISC_RC_STARTED && |
| !ioc->sas_hba.num_phys) |
| _scsih_sas_host_add(ioc); |
| } |
| |
| /** |
| * _scsih_reprobe_lun - reprobing lun |
| * @sdev: scsi device struct |
| * @no_uld_attach: sdev->no_uld_attach flag setting |
| * |
| **/ |
| static void |
| _scsih_reprobe_lun(struct scsi_device *sdev, void *no_uld_attach) |
| { |
| int rc; |
| |
| sdev->no_uld_attach = no_uld_attach ? 1 : 0; |
| sdev_printk(KERN_INFO, sdev, "%s raid component\n", |
| sdev->no_uld_attach ? "hidding" : "exposing"); |
| rc = scsi_device_reprobe(sdev); |
| } |
| |
| /** |
| * _scsih_reprobe_target - reprobing target |
| * @starget: scsi target struct |
| * @no_uld_attach: sdev->no_uld_attach flag setting |
| * |
| * Note: no_uld_attach flag determines whether the disk device is attached |
| * to block layer. A value of `1` means to not attach. |
| **/ |
| static void |
| _scsih_reprobe_target(struct scsi_target *starget, int no_uld_attach) |
| { |
| struct MPT2SAS_TARGET *sas_target_priv_data = starget->hostdata; |
| |
| if (no_uld_attach) |
| sas_target_priv_data->flags |= MPT_TARGET_FLAGS_RAID_COMPONENT; |
| else |
| sas_target_priv_data->flags &= ~MPT_TARGET_FLAGS_RAID_COMPONENT; |
| |
| starget_for_each_device(starget, no_uld_attach ? (void *)1 : NULL, |
| _scsih_reprobe_lun); |
| } |
| /** |
| * _scsih_sas_volume_add - add new volume |
| * @ioc: per adapter object |
| * @element: IR config element data |
| * Context: user. |
| * |
| * Return nothing. |
| */ |
| static void |
| _scsih_sas_volume_add(struct MPT2SAS_ADAPTER *ioc, |
| Mpi2EventIrConfigElement_t *element) |
| { |
| struct _raid_device *raid_device; |
| unsigned long flags; |
| u64 wwid; |
| u16 handle = le16_to_cpu(element->VolDevHandle); |
| int rc; |
| |
| mpt2sas_config_get_volume_wwid(ioc, handle, &wwid); |
| if (!wwid) { |
| printk(MPT2SAS_ERR_FMT |
| "failure at %s:%d/%s()!\n", ioc->name, |
| __FILE__, __LINE__, __func__); |
| return; |
| } |
| |
| spin_lock_irqsave(&ioc->raid_device_lock, flags); |
| raid_device = _scsih_raid_device_find_by_wwid(ioc, wwid); |
| spin_unlock_irqrestore(&ioc->raid_device_lock, flags); |
| |
| if (raid_device) |
| return; |
| |
| raid_device = kzalloc(sizeof(struct _raid_device), GFP_KERNEL); |
| if (!raid_device) { |
| printk(MPT2SAS_ERR_FMT |
| "failure at %s:%d/%s()!\n", ioc->name, |
| __FILE__, __LINE__, __func__); |
| return; |
| } |
| |
| raid_device->id = ioc->sas_id++; |
| raid_device->channel = RAID_CHANNEL; |
| raid_device->handle = handle; |
| raid_device->wwid = wwid; |
| _scsih_raid_device_add(ioc, raid_device); |
| if (!ioc->wait_for_port_enable_to_complete) { |
| rc = scsi_add_device(ioc->shost, RAID_CHANNEL, |
| raid_device->id, 0); |
| if (rc) |
| _scsih_raid_device_remove(ioc, raid_device); |
| } else |
| _scsih_determine_boot_device(ioc, raid_device, 1); |
| } |
| |
| /** |
| * _scsih_sas_volume_delete - delete volume |
| * @ioc: per adapter object |
| * @handle: volume device handle |
| * Context: user. |
| * |
| * Return nothing. |
| */ |
| static void |
| _scsih_sas_volume_delete(struct MPT2SAS_ADAPTER *ioc, u16 handle) |
| { |
| struct _raid_device *raid_device; |
| unsigned long flags; |
| struct MPT2SAS_TARGET *sas_target_priv_data; |
| |
| spin_lock_irqsave(&ioc->raid_device_lock, flags); |
| raid_device = _scsih_raid_device_find_by_handle(ioc, handle); |
| spin_unlock_irqrestore(&ioc->raid_device_lock, flags); |
| if (!raid_device) |
| return; |
| if (raid_device->starget) { |
| sas_target_priv_data = raid_device->starget->hostdata; |
| sas_target_priv_data->deleted = 1; |
| scsi_remove_target(&raid_device->starget->dev); |
| } |
| printk(MPT2SAS_INFO_FMT "removing handle(0x%04x), wwid" |
| "(0x%016llx)\n", ioc->name, raid_device->handle, |
| (unsigned long long) raid_device->wwid); |
| _scsih_raid_device_remove(ioc, raid_device); |
| } |
| |
| /** |
| * _scsih_sas_pd_expose - expose pd component to /dev/sdX |
| * @ioc: per adapter object |
| * @element: IR config element data |
| * Context: user. |
| * |
| * Return nothing. |
| */ |
| static void |
| _scsih_sas_pd_expose(struct MPT2SAS_ADAPTER *ioc, |
| Mpi2EventIrConfigElement_t *element) |
| { |
| struct _sas_device *sas_device; |
| unsigned long flags; |
| u16 handle = le16_to_cpu(element->PhysDiskDevHandle); |
| |
| spin_lock_irqsave(&ioc->sas_device_lock, flags); |
| sas_device = _scsih_sas_device_find_by_handle(ioc, handle); |
| spin_unlock_irqrestore(&ioc->sas_device_lock, flags); |
| if (!sas_device) |
| return; |
| |
| /* exposing raid component */ |
| sas_device->volume_handle = 0; |
| sas_device->volume_wwid = 0; |
| clear_bit(handle, ioc->pd_handles); |
| _scsih_reprobe_target(sas_device->starget, 0); |
| } |
| |
| /** |
| * _scsih_sas_pd_hide - hide pd component from /dev/sdX |
| * @ioc: per adapter object |
| * @element: IR config element data |
| * Context: user. |
| * |
| * Return nothing. |
| */ |
| static void |
| _scsih_sas_pd_hide(struct MPT2SAS_ADAPTER *ioc, |
| Mpi2EventIrConfigElement_t *element) |
| { |
| struct _sas_device *sas_device; |
| unsigned long flags; |
| u16 handle = le16_to_cpu(element->PhysDiskDevHandle); |
| |
| spin_lock_irqsave(&ioc->sas_device_lock, flags); |
| sas_device = _scsih_sas_device_find_by_handle(ioc, handle); |
| spin_unlock_irqrestore(&ioc->sas_device_lock, flags); |
| if (!sas_device) |
| return; |
| |
| /* hiding raid component */ |
| mpt2sas_config_get_volume_handle(ioc, handle, |
| &sas_device->volume_handle); |
| mpt2sas_config_get_volume_wwid(ioc, sas_device->volume_handle, |
| &sas_device->volume_wwid); |
| set_bit(handle, ioc->pd_handles); |
| _scsih_reprobe_target(sas_device->starget, 1); |
| } |
| |
| /** |
| * _scsih_sas_pd_delete - delete pd component |
| * @ioc: per adapter object |
| * @element: IR config element data |
| * Context: user. |
| * |
| * Return nothing. |
| */ |
| static void |
| _scsih_sas_pd_delete(struct MPT2SAS_ADAPTER *ioc, |
| Mpi2EventIrConfigElement_t *element) |
| { |
| struct _sas_device *sas_device; |
| unsigned long flags; |
| u16 handle = le16_to_cpu(element->PhysDiskDevHandle); |
| |
| spin_lock_irqsave(&ioc->sas_device_lock, flags); |
| sas_device = _scsih_sas_device_find_by_handle(ioc, handle); |
| spin_unlock_irqrestore(&ioc->sas_device_lock, flags); |
| if (!sas_device) |
| return; |
| _scsih_remove_device(ioc, sas_device); |
| } |
| |
| /** |
| * _scsih_sas_pd_add - remove pd component |
| * @ioc: per adapter object |
| * @element: IR config element data |
| * Context: user. |
| * |
| * Return nothing. |
| */ |
| static void |
| _scsih_sas_pd_add(struct MPT2SAS_ADAPTER *ioc, |
| Mpi2EventIrConfigElement_t *element) |
| { |
| struct _sas_device *sas_device; |
| unsigned long flags; |
| u16 handle = le16_to_cpu(element->PhysDiskDevHandle); |
| Mpi2ConfigReply_t mpi_reply; |
| Mpi2SasDevicePage0_t sas_device_pg0; |
| u32 ioc_status; |
| u64 sas_address; |
| u16 parent_handle; |
| |
| set_bit(handle, ioc->pd_handles); |
| |
| spin_lock_irqsave(&ioc->sas_device_lock, flags); |
| sas_device = _scsih_sas_device_find_by_handle(ioc, handle); |
| spin_unlock_irqrestore(&ioc->sas_device_lock, flags); |
| if (sas_device) |
| return; |
| |
| 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; |
| } |
| |
| ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & |
| MPI2_IOCSTATUS_MASK; |
| if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { |
| printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", |
| ioc->name, __FILE__, __LINE__, __func__); |
| return; |
| } |
| |
| parent_handle = le16_to_cpu(sas_device_pg0.ParentDevHandle); |
| if (!_scsih_get_sas_address(ioc, parent_handle, &sas_address)) |
| mpt2sas_transport_update_links(ioc, sas_address, handle, |
| sas_device_pg0.PhyNum, MPI2_SAS_NEG_LINK_RATE_1_5); |
| |
| _scsih_add_device(ioc, handle, 0, 1); |
| } |
| |
| #ifdef CONFIG_SCSI_MPT2SAS_LOGGING |
| /** |
| * _scsih_sas_ir_config_change_event_debug - debug for IR Config Change events |
| * @ioc: per adapter object |
| * @event_data: event data payload |
| * Context: user. |
| * |
| * Return nothing. |
| */ |
| static void |
| _scsih_sas_ir_config_change_event_debug(struct MPT2SAS_ADAPTER *ioc, |
| Mpi2EventDataIrConfigChangeList_t *event_data) |
| { |
| Mpi2EventIrConfigElement_t *element; |
| u8 element_type; |
| int i; |
| char *reason_str = NULL, *element_str = NULL; |
| |
| element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0]; |
| |
| printk(MPT2SAS_INFO_FMT "raid config change: (%s), elements(%d)\n", |
| ioc->name, (le32_to_cpu(event_data->Flags) & |
| MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG) ? |
| "foreign" : "native", event_data->NumElements); |
| for (i = 0; i < event_data->NumElements; i++, element++) { |
| switch (element->ReasonCode) { |
| case MPI2_EVENT_IR_CHANGE_RC_ADDED: |
| reason_str = "add"; |
| break; |
| case MPI2_EVENT_IR_CHANGE_RC_REMOVED: |
| reason_str = "remove"; |
| break; |
| case MPI2_EVENT_IR_CHANGE_RC_NO_CHANGE: |
| reason_str = "no change"; |
| break; |
| case MPI2_EVENT_IR_CHANGE_RC_HIDE: |
| reason_str = "hide"; |
| break; |
| case MPI2_EVENT_IR_CHANGE_RC_UNHIDE: |
| reason_str = "unhide"; |
| break; |
| case MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED: |
| reason_str = "volume_created"; |
| break; |
| case MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED: |
| reason_str = "volume_deleted"; |
| break; |
| case MPI2_EVENT_IR_CHANGE_RC_PD_CREATED: |
| reason_str = "pd_created"; |
| break; |
| case MPI2_EVENT_IR_CHANGE_RC_PD_DELETED: |
| reason_str = "pd_deleted"; |
| break; |
| default: |
| reason_str = "unknown reason"; |
| break; |
| } |
| element_type = le16_to_cpu(element->ElementFlags) & |
| MPI2_EVENT_IR_CHANGE_EFLAGS_ELEMENT_TYPE_MASK; |
| switch (element_type) { |
| case MPI2_EVENT_IR_CHANGE_EFLAGS_VOLUME_ELEMENT: |
| element_str = "volume"; |
| break; |
| case MPI2_EVENT_IR_CHANGE_EFLAGS_VOLPHYSDISK_ELEMENT: |
| element_str = "phys disk"; |
| break; |
| case MPI2_EVENT_IR_CHANGE_EFLAGS_HOTSPARE_ELEMENT: |
| element_str = "hot spare"; |
| break; |
| default: |
| element_str = "unknown element"; |
| break; |
| } |
| printk(KERN_INFO "\t(%s:%s), vol handle(0x%04x), " |
| "pd handle(0x%04x), pd num(0x%02x)\n", element_str, |
| reason_str, le16_to_cpu(element->VolDevHandle), |
| le16_to_cpu(element->PhysDiskDevHandle), |
| element->PhysDiskNum); |
| } |
| } |
| #endif |
| |
| /** |
| * _scsih_sas_ir_config_change_event - handle ir configuration change events |
| * @ioc: per adapter object |
| * @fw_event: The fw_event_work object |
| * Context: user. |
| * |
| * Return nothing. |
| */ |
| static void |
| _scsih_sas_ir_config_change_event(struct MPT2SAS_ADAPTER *ioc, |
| struct fw_event_work *fw_event) |
| { |
| Mpi2EventIrConfigElement_t *element; |
| int i; |
| u8 foreign_config; |
| Mpi2EventDataIrConfigChangeList_t *event_data = fw_event->event_data; |
| |
| #ifdef CONFIG_SCSI_MPT2SAS_LOGGING |
| if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK) |
| _scsih_sas_ir_config_change_event_debug(ioc, event_data); |
| |
| #endif |
| foreign_config = (le32_to_cpu(event_data->Flags) & |
| MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG) ? 1 : 0; |
| |
| element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0]; |
| for (i = 0; i < event_data->NumElements; i++, element++) { |
| |
| switch (element->ReasonCode) { |
| case MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED: |
| case MPI2_EVENT_IR_CHANGE_RC_ADDED: |
| if (!foreign_config) |
| _scsih_sas_volume_add(ioc, element); |
| break; |
| case MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED: |
| case MPI2_EVENT_IR_CHANGE_RC_REMOVED: |
| if (!foreign_config) |
| _scsih_sas_volume_delete(ioc, |
| le16_to_cpu(element->VolDevHandle)); |
| break; |
| case MPI2_EVENT_IR_CHANGE_RC_PD_CREATED: |
| _scsih_sas_pd_hide(ioc, element); |
| break; |
| case MPI2_EVENT_IR_CHANGE_RC_PD_DELETED: |
| _scsih_sas_pd_expose(ioc, element); |
| break; |
| case MPI2_EVENT_IR_CHANGE_RC_HIDE: |
| _scsih_sas_pd_add(ioc, element); |
| break; |
| case MPI2_EVENT_IR_CHANGE_RC_UNHIDE: |
| _scsih_sas_pd_delete(ioc, element); |
| break; |
| } |
| } |
| } |
| |
| /** |
| * _scsih_sas_ir_volume_event - IR volume event |
| * @ioc: per adapter object |
| * @fw_event: The fw_event_work object |
| * Context: user. |
| * |
| * Return nothing. |
| */ |
| static void |
| _scsih_sas_ir_volume_event(struct MPT2SAS_ADAPTER *ioc, |
| struct fw_event_work *fw_event) |
| { |
| u64 wwid; |
| unsigned long flags; |
| struct _raid_device *raid_device; |
| u16 handle; |
| u32 state; |
| int rc; |
| Mpi2EventDataIrVolume_t *event_data = fw_event->event_data; |
| |
| if (event_data->ReasonCode != MPI2_EVENT_IR_VOLUME_RC_STATE_CHANGED) |
| return; |
| |
| handle = le16_to_cpu(event_data->VolDevHandle); |
| state = le32_to_cpu(event_data->NewValue); |
| dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: handle(0x%04x), " |
| "old(0x%08x), new(0x%08x)\n", ioc->name, __func__, handle, |
| le32_to_cpu(event_data->PreviousValue), state)); |
| |
| switch (state) { |
| case MPI2_RAID_VOL_STATE_MISSING: |
| case MPI2_RAID_VOL_STATE_FAILED: |
| _scsih_sas_volume_delete(ioc, handle); |
| break; |
| |
| case MPI2_RAID_VOL_STATE_ONLINE: |
| case MPI2_RAID_VOL_STATE_DEGRADED: |
| case MPI2_RAID_VOL_STATE_OPTIMAL: |
| |
| spin_lock_irqsave(&ioc->raid_device_lock, flags); |
| raid_device = _scsih_raid_device_find_by_handle(ioc, handle); |
| spin_unlock_irqrestore(&ioc->raid_device_lock, flags); |
| |
| if (raid_device) |
| break; |
| |
| mpt2sas_config_get_volume_wwid(ioc, handle, &wwid); |
| if (!wwid) { |
| printk(MPT2SAS_ERR_FMT |
| "failure at %s:%d/%s()!\n", ioc->name, |
| __FILE__, __LINE__, __func__); |
| break; |
| } |
| |
| raid_device = kzalloc(sizeof(struct _raid_device), GFP_KERNEL); |
| if (!raid_device) { |
| printk(MPT2SAS_ERR_FMT |
| "failure at %s:%d/%s()!\n", ioc->name, |
| __FILE__, __LINE__, __func__); |
| break; |
| } |
| |
| raid_device->id = ioc->sas_id++; |
| raid_device->channel = RAID_CHANNEL; |
| raid_device->handle = handle; |
| raid_device->wwid = wwid; |
| _scsih_raid_device_add(ioc, raid_device); |
| rc = scsi_add_device(ioc->shost, RAID_CHANNEL, |
| raid_device->id, 0); |
| if (rc) |
| _scsih_raid_device_remove(ioc, raid_device); |
| break; |
| |
| case MPI2_RAID_VOL_STATE_INITIALIZING: |
| default: |
| break; |
| } |
| } |
| |
| /** |
| * _scsih_sas_ir_physical_disk_event - PD event |
| * @ioc: per adapter object |
| * @fw_event: The fw_event_work object |
| * Context: user. |
| * |
| * Return nothing. |
| */ |
| static void |
| _scsih_sas_ir_physical_disk_event(struct MPT2SAS_ADAPTER *ioc, |
| struct fw_event_work *fw_event) |
| { |
| u16 handle, parent_handle; |
| u32 state; |
| struct _sas_device *sas_device; |
| unsigned long flags; |
| Mpi2ConfigReply_t mpi_reply; |
| Mpi2SasDevicePage0_t sas_device_pg0; |
| u32 ioc_status; |
| Mpi2EventDataIrPhysicalDisk_t *event_data = fw_event->event_data; |
| u64 sas_address; |
| |
| if (event_data->ReasonCode != MPI2_EVENT_IR_PHYSDISK_RC_STATE_CHANGED) |
| return; |
| |
| handle = le16_to_cpu(event_data->PhysDiskDevHandle); |
| state = le32_to_cpu(event_data->NewValue); |
| |
| dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: handle(0x%04x), " |
| "old(0x%08x), new(0x%08x)\n", ioc->name, __func__, handle, |
| le32_to_cpu(event_data->PreviousValue), state)); |
| |
| switch (state) { |
| case MPI2_RAID_PD_STATE_ONLINE: |
| case MPI2_RAID_PD_STATE_DEGRADED: |
| case MPI2_RAID_PD_STATE_REBUILDING: |
| case MPI2_RAID_PD_STATE_OPTIMAL: |
| case MPI2_RAID_PD_STATE_HOT_SPARE: |
| |
| set_bit(handle, ioc->pd_handles); |
| |
| spin_lock_irqsave(&ioc->sas_device_lock, flags); |
| sas_device = _scsih_sas_device_find_by_handle(ioc, handle); |
| spin_unlock_irqrestore(&ioc->sas_device_lock, flags); |
| |
| if (sas_device) |
| return; |
| |
| 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; |
| } |
| |
| ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & |
| MPI2_IOCSTATUS_MASK; |
| if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { |
| printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", |
| ioc->name, __FILE__, __LINE__, __func__); |
| return; |
| } |
| |
| parent_handle = le16_to_cpu(sas_device_pg0.ParentDevHandle); |
| if (!_scsih_get_sas_address(ioc, parent_handle, &sas_address)) |
| mpt2sas_transport_update_links(ioc, sas_address, handle, |
| sas_device_pg0.PhyNum, MPI2_SAS_NEG_LINK_RATE_1_5); |
| |
| _scsih_add_device(ioc, handle, 0, 1); |
| |
| break; |
| |
| case MPI2_RAID_PD_STATE_OFFLINE: |
| case MPI2_RAID_PD_STATE_NOT_CONFIGURED: |
| case MPI2_RAID_PD_STATE_NOT_COMPATIBLE: |
| default: |
| break; |
| } |
| } |
| |
| #ifdef CONFIG_SCSI_MPT2SAS_LOGGING |
| /** |
| * _scsih_sas_ir_operation_status_event_debug - debug for IR op event |
| * @ioc: per adapter object |
| * @event_data: event data payload |
| * Context: user. |
| * |
| * Return nothing. |
| */ |
| static void |
| _scsih_sas_ir_operation_status_event_debug(struct MPT2SAS_ADAPTER *ioc, |
| Mpi2EventDataIrOperationStatus_t *event_data) |
| { |
| char *reason_str = NULL; |
| |
| switch (event_data->RAIDOperation) { |
| case MPI2_EVENT_IR_RAIDOP_RESYNC: |
| reason_str = "resync"; |
| break; |
| case MPI2_EVENT_IR_RAIDOP_ONLINE_CAP_EXPANSION: |
| reason_str = "online capacity expansion"; |
| break; |
| case MPI2_EVENT_IR_RAIDOP_CONSISTENCY_CHECK: |
| reason_str = "consistency check"; |
| break; |
| case MPI2_EVENT_IR_RAIDOP_BACKGROUND_INIT: |
| reason_str = "background init"; |
| break; |
| case MPI2_EVENT_IR_RAIDOP_MAKE_DATA_CONSISTENT: |
| reason_str = "make data consistent"; |
| break; |
| } |
| |
| if (!reason_str) |
| return; |
| |
| printk(MPT2SAS_INFO_FMT "raid operational status: (%s)" |
| "\thandle(0x%04x), percent complete(%d)\n", |
| ioc->name, reason_str, |
| le16_to_cpu(event_data->VolDevHandle), |
| event_data->PercentComplete); |
| } |
| #endif |
| |
| /** |
| * _scsih_sas_ir_operation_status_event - handle RAID operation events |
| * @ioc: per adapter object |
| * @fw_event: The fw_event_work object |
| * Context: user. |
| * |
| * Return nothing. |
| */ |
| static void |
| _scsih_sas_ir_operation_status_event(struct MPT2SAS_ADAPTER *ioc, |
| struct fw_event_work *fw_event) |
| { |
| Mpi2EventDataIrOperationStatus_t *event_data = fw_event->event_data; |
| static struct _raid_device *raid_device; |
| unsigned long flags; |
| u16 handle; |
| |
| #ifdef CONFIG_SCSI_MPT2SAS_LOGGING |
| if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK) |
| _scsih_sas_ir_operation_status_event_debug(ioc, |
| event_data); |
| #endif |
| |
| /* code added for raid transport support */ |
| if (event_data->RAIDOperation == MPI2_EVENT_IR_RAIDOP_RESYNC) { |
| |
| handle = le16_to_cpu(event_data->VolDevHandle); |
| |
| spin_lock_irqsave(&ioc->raid_device_lock, flags); |
| raid_device = _scsih_raid_device_find_by_handle(ioc, handle); |
| spin_unlock_irqrestore(&ioc->raid_device_lock, flags); |
| |
| if (!raid_device) |
| return; |
| |
| if (event_data->RAIDOperation == MPI2_EVENT_IR_RAIDOP_RESYNC) |
| raid_device->percent_complete = |
| event_data->PercentComplete; |
| } |
| } |
| |
| /** |
| * _scsih_task_set_full - handle task set full |
| * @ioc: per adapter object |
| * @fw_event: The fw_event_work object |
| * Context: user. |
| * |
| * Throttle back qdepth. |
| */ |
| static void |
| _scsih_task_set_full(struct MPT2SAS_ADAPTER *ioc, struct fw_event_work |
| *fw_event) |
| { |
| unsigned long flags; |
| struct _sas_device *sas_device; |
| static struct _raid_device *raid_device; |
| struct scsi_device *sdev; |
| int depth; |
| u16 current_depth; |
| u16 handle; |
| int id, channel; |
| u64 sas_address; |
| Mpi2EventDataTaskSetFull_t *event_data = fw_event->event_data; |
| |
| current_depth = le16_to_cpu(event_data->CurrentDepth); |
| handle = le16_to_cpu(event_data->DevHandle); |
| spin_lock_irqsave(&ioc->sas_device_lock, flags); |
| sas_device = _scsih_sas_device_find_by_handle(ioc, handle); |
| if (!sas_device) { |
| spin_unlock_irqrestore(&ioc->sas_device_lock, flags); |
| return; |
| } |
| spin_unlock_irqrestore(&ioc->sas_device_lock, flags); |
| id = sas_device->id; |
| channel = sas_device->channel; |
| sas_address = sas_device->sas_address; |
| |
| /* if hidden raid component, then change to volume characteristics */ |
| if (test_bit(handle, ioc->pd_handles) && sas_device->volume_handle) { |
| spin_lock_irqsave(&ioc->raid_device_lock, flags); |
| raid_device = _scsih_raid_device_find_by_handle( |
| ioc, sas_device->volume_handle); |
| spin_unlock_irqrestore(&ioc->raid_device_lock, flags); |
| if (raid_device) { |
| id = raid_device->id; |
| channel = raid_device->channel; |
| handle = raid_device->handle; |
| sas_address = raid_device->wwid; |
| } |
| } |
| |
| if (ioc->logging_level & MPT_DEBUG_TASK_SET_FULL) |
| starget_printk(KERN_INFO, sas_device->starget, "task set " |
| "full: handle(0x%04x), sas_addr(0x%016llx), depth(%d)\n", |
| handle, (unsigned long long)sas_address, current_depth); |
| |
| shost_for_each_device(sdev, ioc->shost) { |
| if (sdev->id == id && sdev->channel == channel) { |
| if (current_depth > sdev->queue_depth) { |
| if (ioc->logging_level & |
| MPT_DEBUG_TASK_SET_FULL) |
| sdev_printk(KERN_INFO, sdev, "strange " |
| "observation, the queue depth is" |
| " (%d) meanwhile fw queue depth " |
| "is (%d)\n", sdev->queue_depth, |
| current_depth); |
| continue; |
| } |
| depth = scsi_track_queue_full(sdev, |
| current_depth - 1); |
| if (depth > 0) |
| sdev_printk(KERN_INFO, sdev, "Queue depth " |
| "reduced to (%d)\n", depth); |
| else if (depth < 0) |
| sdev_printk(KERN_INFO, sdev, "Tagged Command " |
| "Queueing is being disabled\n"); |
| else if (depth == 0) |
| if (ioc->logging_level & |
| MPT_DEBUG_TASK_SET_FULL) |
| sdev_printk(KERN_INFO, sdev, |
| "Queue depth not changed yet\n"); |
| } |
| } |
| } |
| |
| /** |
| * _scsih_prep_device_scan - initialize parameters prior to device scan |
| * @ioc: per adapter object |
| * |
| * Set the deleted flag prior to device scan. If the device is found during |
| * the scan, then we clear the deleted flag. |
| */ |
| static void |
| _scsih_prep_device_scan(struct MPT2SAS_ADAPTER *ioc) |
| { |
| struct MPT2SAS_DEVICE *sas_device_priv_data; |
| struct scsi_device *sdev; |
| |
| shost_for_each_device(sdev, ioc->shost) { |
| sas_device_priv_data = sdev->hostdata; |
| if (sas_device_priv_data && sas_device_priv_data->sas_target) |
| sas_device_priv_data->sas_target->deleted = 1; |
| } |
| } |
| |
| /** |
| * _scsih_mark_responding_sas_device - mark a sas_devices as responding |
| * @ioc: per adapter object |
| * @sas_address: sas address |
| * @slot: enclosure slot id |
| * @handle: device handle |
| * |
| * After host reset, find out whether devices are still responding. |
| * Used in _scsi_remove_unresponsive_sas_devices. |
| * |
| * Return nothing. |
| */ |
| static void |
| _scsih_mark_responding_sas_device(struct MPT2SAS_ADAPTER *ioc, u64 sas_address, |
| u16 slot, u16 handle) |
| { |
| struct MPT2SAS_TARGET *sas_target_priv_data; |
| struct scsi_target *starget; |
| struct _sas_device *sas_device; |
| unsigned long flags; |
| |
| spin_lock_irqsave(&ioc->sas_device_lock, flags); |
| list_for_each_entry(sas_device, &ioc->sas_device_list, list) { |
| if (sas_device->sas_address == sas_address && |
| sas_device->slot == slot && sas_device->starget) { |
| sas_device->responding = 1; |
| starget = sas_device->starget; |
| if (starget && starget->hostdata) { |
| sas_target_priv_data = starget->hostdata; |
| sas_target_priv_data->tm_busy = 0; |
| sas_target_priv_data->deleted = 0; |
| } else |
| sas_target_priv_data = NULL; |
| starget_printk(KERN_INFO, sas_device->starget, |
| "handle(0x%04x), sas_addr(0x%016llx), enclosure " |
| "logical id(0x%016llx), slot(%d)\n", handle, |
| (unsigned long long)sas_device->sas_address, |
| (unsigned long long) |
| sas_device->enclosure_logical_id, |
| sas_device->slot); |
| if (sas_device->handle == handle) |
| goto out; |
| printk(KERN_INFO "\thandle changed from(0x%04x)!!!\n", |
| sas_device->handle); |
| sas_device->handle = handle; |
| if (sas_target_priv_data) |
| sas_target_priv_data->handle = handle; |
| goto out; |
| } |
| } |
| out: |
| spin_unlock_irqrestore(&ioc->sas_device_lock, flags); |
| } |
| |
| /** |
| * _scsih_search_responding_sas_devices - |
| * @ioc: per adapter object |
| * |
| * After host reset, find out whether devices are still responding. |
| * If not remove. |
| * |
| * Return nothing. |
| */ |
| static void |
| _scsih_search_responding_sas_devices(struct MPT2SAS_ADAPTER *ioc) |
| { |
| Mpi2SasDevicePage0_t sas_device_pg0; |
| Mpi2ConfigReply_t mpi_reply; |
| u16 ioc_status; |
| __le64 sas_address; |
| u16 handle; |
| u32 device_info; |
| u16 slot; |
| |
| printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, __func__); |
| |
| if (list_empty(&ioc->sas_device_list)) |
| return; |
| |
| handle = 0xFFFF; |
| while (!(mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, |
| &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_GET_NEXT_HANDLE, |
| handle))) { |
| ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & |
| MPI2_IOCSTATUS_MASK; |
| if (ioc_status == MPI2_IOCSTATUS_CONFIG_INVALID_PAGE) |
| break; |
| handle = le16_to_cpu(sas_device_pg0.DevHandle); |
| device_info = le32_to_cpu(sas_device_pg0.DeviceInfo); |
| if (!(_scsih_is_end_device(device_info))) |
| continue; |
| sas_address = le64_to_cpu(sas_device_pg0.SASAddress); |
| slot = le16_to_cpu(sas_device_pg0.Slot); |
| _scsih_mark_responding_sas_device(ioc, sas_address, slot, |
| handle); |
| } |
| } |
| |
| /** |
| * _scsih_mark_responding_raid_device - mark a raid_device as responding |
| * @ioc: per adapter object |
| * @wwid: world wide identifier for raid volume |
| * @handle: device handle |
| * |
| * After host reset, find out whether devices are still responding. |
| * Used in _scsi_remove_unresponsive_raid_devices. |
| * |
| * Return nothing. |
| */ |
| static void |
| _scsih_mark_responding_raid_device(struct MPT2SAS_ADAPTER *ioc, u64 wwid, |
| u16 handle) |
| { |
| struct MPT2SAS_TARGET *sas_target_priv_data; |
| struct scsi_target *starget; |
| struct _raid_device *raid_device; |
| unsigned long flags; |
| |
| spin_lock_irqsave(&ioc->raid_device_lock, flags); |
| list_for_each_entry(raid_device, &ioc->raid_device_list, list) { |
| if (raid_device->wwid == wwid && raid_device->starget) { |
| starget = raid_device->starget; |
| if (starget && starget->hostdata) { |
| sas_target_priv_data = starget->hostdata; |
| sas_target_priv_data->deleted = 0; |
| } else |
| sas_target_priv_data = NULL; |
| raid_device->responding = 1; |
| starget_printk(KERN_INFO, raid_device->starget, |
| "handle(0x%04x), wwid(0x%016llx)\n", handle, |
| (unsigned long long)raid_device->wwid); |
| if (raid_device->handle == handle) |
| goto out; |
| printk(KERN_INFO "\thandle changed from(0x%04x)!!!\n", |
| raid_device->handle); |
| raid_device->handle = handle; |
| if (sas_target_priv_data) |
| sas_target_priv_data->handle = handle; |
| goto out; |
| } |
| } |
| out: |
| spin_unlock_irqrestore(&ioc->raid_device_lock, flags); |
| } |
| |
| /** |
| * _scsih_search_responding_raid_devices - |
| * @ioc: per adapter object |
| * |
| * After host reset, find out whether devices are still responding. |
| * If not remove. |
| * |
| * Return nothing. |
| */ |
| static void |
| _scsih_search_responding_raid_devices(struct MPT2SAS_ADAPTER *ioc) |
| { |
| Mpi2RaidVolPage1_t volume_pg1; |
| Mpi2RaidVolPage0_t volume_pg0; |
| Mpi2RaidPhysDiskPage0_t pd_pg0; |
| Mpi2ConfigReply_t mpi_reply; |
| u16 ioc_status; |
| u16 handle; |
| u8 phys_disk_num; |
| |
| printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, __func__); |
| |
| if (list_empty(&ioc->raid_device_list)) |
| return; |
| |
| handle = 0xFFFF; |
| while (!(mpt2sas_config_get_raid_volume_pg1(ioc, &mpi_reply, |
| &volume_pg1, MPI2_RAID_VOLUME_PGAD_FORM_GET_NEXT_HANDLE, handle))) { |
| ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & |
| MPI2_IOCSTATUS_MASK; |
| if (ioc_status == MPI2_IOCSTATUS_CONFIG_INVALID_PAGE) |
| break; |
| handle = le16_to_cpu(volume_pg1.DevHandle); |
| |
| if (mpt2sas_config_get_raid_volume_pg0(ioc, &mpi_reply, |
| &volume_pg0, MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, handle, |
| sizeof(Mpi2RaidVolPage0_t))) |
| continue; |
| |
| if (volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_OPTIMAL || |
| volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_ONLINE || |
| volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_DEGRADED) |
| _scsih_mark_responding_raid_device(ioc, |
| le64_to_cpu(volume_pg1.WWID), handle); |
| } |
| |
| /* refresh the pd_handles */ |
| phys_disk_num = 0xFF; |
| memset(ioc->pd_handles, 0, ioc->pd_handles_sz); |
| while (!(mpt2sas_config_get_phys_disk_pg0(ioc, &mpi_reply, |
| &pd_pg0, MPI2_PHYSDISK_PGAD_FORM_GET_NEXT_PHYSDISKNUM, |
| phys_disk_num))) { |
| ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & |
| MPI2_IOCSTATUS_MASK; |
| if (ioc_status == MPI2_IOCSTATUS_CONFIG_INVALID_PAGE) |
| break; |
| phys_disk_num = pd_pg0.PhysDiskNum; |
| handle = le16_to_cpu(pd_pg0.DevHandle); |
| set_bit(handle, ioc->pd_handles); |
| } |
| } |
| |
| /** |
| * _scsih_mark_responding_expander - mark a expander as responding |
| * @ioc: per adapter object |
| * @sas_address: sas address |
| * @handle: |
| * |
| * After host reset, find out whether devices are still responding. |
| * Used in _scsi_remove_unresponsive_expanders. |
| * |
| * Return nothing. |
| */ |
| static void |
| _scsih_mark_responding_expander(struct MPT2SAS_ADAPTER *ioc, u64 sas_address, |
| u16 handle) |
| { |
| struct _sas_node *sas_expander; |
| unsigned long flags; |
| int i; |
| |
| spin_lock_irqsave(&ioc->sas_node_lock, flags); |
| list_for_each_entry(sas_expander, &ioc->sas_expander_list, list) { |
| if (sas_expander->sas_address != sas_address) |
| continue; |
| sas_expander->responding = 1; |
| if (sas_expander->handle == handle) |
| goto out; |
| printk(KERN_INFO "\texpander(0x%016llx): handle changed" |
| " from(0x%04x) to (0x%04x)!!!\n", |
| (unsigned long long)sas_expander->sas_address, |
| sas_expander->handle, handle); |
| sas_expander->handle = handle; |
| for (i = 0 ; i < sas_expander->num_phys ; i++) |
| sas_expander->phy[i].handle = handle; |
| goto out; |
| } |
| out: |
| spin_unlock_irqrestore(&ioc->sas_node_lock, flags); |
| } |
| |
| /** |
| * _scsih_search_responding_expanders - |
| * @ioc: per adapter object |
| * |
| * After host reset, find out whether devices are still responding. |
| * If not remove. |
| * |
| * Return nothing. |
| */ |
| static void |
| _scsih_search_responding_expanders(struct MPT2SAS_ADAPTER *ioc) |
| { |
| Mpi2ExpanderPage0_t expander_pg0; |
| Mpi2ConfigReply_t mpi_reply; |
| u16 ioc_status; |
| __le64 sas_address; |
| u16 handle; |
| |
| printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, __func__); |
| |
| if (list_empty(&ioc->sas_expander_list)) |
| return; |
| |
| handle = 0xFFFF; |
| while (!(mpt2sas_config_get_expander_pg0(ioc, &mpi_reply, &expander_pg0, |
| MPI2_SAS_EXPAND_PGAD_FORM_GET_NEXT_HNDL, handle))) { |
| |
| ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & |
| MPI2_IOCSTATUS_MASK; |
| if (ioc_status == MPI2_IOCSTATUS_CONFIG_INVALID_PAGE) |
| break; |
| |
| handle = le16_to_cpu(expander_pg0.DevHandle); |
| sas_address = le64_to_cpu(expander_pg0.SASAddress); |
| printk(KERN_INFO "\texpander present: handle(0x%04x), " |
| "sas_addr(0x%016llx)\n", handle, |
| (unsigned long long)sas_address); |
| _scsih_mark_responding_expander(ioc, sas_address, handle); |
| } |
| |
| } |
| |
| /** |
| * _scsih_remove_unresponding_sas_devices - removing unresponding devices |
| * @ioc: per adapter object |
| * |
| * Return nothing. |
| */ |
| static void |
| _scsih_remove_unresponding_sas_devices(struct MPT2SAS_ADAPTER *ioc) |
| { |
| struct _sas_device *sas_device, *sas_device_next; |
| struct _sas_node *sas_expander; |
| struct _raid_device *raid_device, *raid_device_next; |
| |
| |
| list_for_each_entry_safe(sas_device, sas_device_next, |
| &ioc->sas_device_list, list) { |
| if (sas_device->responding) { |
| sas_device->responding = 0; |
| continue; |
| } |
| if (sas_device->starget) |
| starget_printk(KERN_INFO, sas_device->starget, |
| "removing: handle(0x%04x), sas_addr(0x%016llx), " |
| "enclosure logical id(0x%016llx), slot(%d)\n", |
| sas_device->handle, |
| (unsigned long long)sas_device->sas_address, |
| (unsigned long long) |
| sas_device->enclosure_logical_id, |
| sas_device->slot); |
| _scsih_remove_device(ioc, sas_device); |
| } |
| |
| list_for_each_entry_safe(raid_device, raid_device_next, |
| &ioc->raid_device_list, list) { |
| if (raid_device->responding) { |
| raid_device->responding = 0; |
| continue; |
| } |
| if (raid_device->starget) { |
| starget_printk(KERN_INFO, raid_device->starget, |
| "removing: handle(0x%04x), wwid(0x%016llx)\n", |
| raid_device->handle, |
| (unsigned long long)raid_device->wwid); |
| scsi_remove_target(&raid_device->starget->dev); |
| } |
| _scsih_raid_device_remove(ioc, raid_device); |
| } |
| |
| retry_expander_search: |
| sas_expander = NULL; |
| list_for_each_entry(sas_expander, &ioc->sas_expander_list, list) { |
| if (sas_expander->responding) { |
| sas_expander->responding = 0; |
| continue; |
| } |
| _scsih_expander_remove(ioc, sas_expander->sas_address); |
| goto retry_expander_search; |
| } |
| } |
| |
| /** |
| * mpt2sas_scsih_reset_handler - reset callback handler (for scsih) |
| * @ioc: per adapter object |
| * @reset_phase: phase |
| * |
| * The handler for doing any required cleanup or initialization. |
| * |
| * The reset phase can be MPT2_IOC_PRE_RESET, MPT2_IOC_AFTER_RESET, |
| * MPT2_IOC_DONE_RESET |
| * |
| * Return nothing. |
| */ |
| void |
| mpt2sas_scsih_reset_handler(struct MPT2SAS_ADAPTER *ioc, int reset_phase) |
| { |
| switch (reset_phase) { |
| case MPT2_IOC_PRE_RESET: |
| dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: " |
| "MPT2_IOC_PRE_RESET\n", ioc->name, __func__)); |
| break; |
| case MPT2_IOC_AFTER_RESET: |
| dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: " |
| "MPT2_IOC_AFTER_RESET\n", ioc->name, __func__)); |
| if (ioc->scsih_cmds.status & MPT2_CMD_PENDING) { |
| ioc->scsih_cmds.status |= MPT2_CMD_RESET; |
| mpt2sas_base_free_smid(ioc, ioc->scsih_cmds.smid); |
| complete(&ioc->scsih_cmds.done); |
| } |
| if (ioc->tm_cmds.status & MPT2_CMD_PENDING) { |
| ioc->tm_cmds.status |= MPT2_CMD_RESET; |
| mpt2sas_base_free_smid(ioc, ioc->tm_cmds.smid); |
| complete(&ioc->tm_cmds.done); |
| } |
| _scsih_fw_event_cleanup_queue(ioc); |
| _scsih_flush_running_cmds(ioc); |
| _scsih_queue_rescan(ioc); |
| break; |
| case MPT2_IOC_DONE_RESET: |
| dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: " |
| "MPT2_IOC_DONE_RESET\n", ioc->name, __func__)); |
| _scsih_sas_host_refresh(ioc); |
| _scsih_prep_device_scan(ioc); |
| _scsih_search_responding_sas_devices(ioc); |
| _scsih_search_responding_raid_devices(ioc); |
| _scsih_search_responding_expanders(ioc); |
| break; |
| } |
| } |
| |
| /** |
| * _firmware_event_work - delayed task for processing firmware events |
| * @ioc: per adapter object |
| * @work: equal to the fw_event_work object |
| * Context: user. |
| * |
| * Return nothing. |
| */ |
| static void |
| _firmware_event_work(struct work_struct *work) |
| { |
| struct fw_event_work *fw_event = container_of(work, |
| struct fw_event_work, delayed_work.work); |
| unsigned long flags; |
| struct MPT2SAS_ADAPTER *ioc = fw_event->ioc; |
| |
| /* the queue is being flushed so ignore this event */ |
| if (ioc->remove_host || fw_event->cancel_pending_work) { |
| _scsih_fw_event_free(ioc, fw_event); |
| return; |
| } |
| |
| if (fw_event->event == MPT2SAS_RESCAN_AFTER_HOST_RESET) { |
| _scsih_fw_event_free(ioc, fw_event); |
| spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags); |
| if (ioc->shost_recovery) { |
| init_completion(&ioc->shost_recovery_done); |
| spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, |
| flags); |
| wait_for_completion(&ioc->shost_recovery_done); |
| } else |
| spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, |
| flags); |
| _scsih_remove_unresponding_sas_devices(ioc); |
| return; |
| } |
| |
| switch (fw_event->event) { |
| case MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST: |
| _scsih_sas_topology_change_event(ioc, fw_event); |
| break; |
| case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE: |
| _scsih_sas_device_status_change_event(ioc, |
| fw_event); |
| break; |
| case MPI2_EVENT_SAS_DISCOVERY: |
| _scsih_sas_discovery_event(ioc, |
| fw_event); |
| break; |
| case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE: |
| _scsih_sas_broadcast_primative_event(ioc, |
| fw_event); |
| break; |
| case MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE: |
| _scsih_sas_enclosure_dev_status_change_event(ioc, |
| fw_event); |
| break; |
| case MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST: |
| _scsih_sas_ir_config_change_event(ioc, fw_event); |
| break; |
| case MPI2_EVENT_IR_VOLUME: |
| _scsih_sas_ir_volume_event(ioc, fw_event); |
| break; |
| case MPI2_EVENT_IR_PHYSICAL_DISK: |
| _scsih_sas_ir_physical_disk_event(ioc, fw_event); |
| break; |
| case MPI2_EVENT_IR_OPERATION_STATUS: |
| _scsih_sas_ir_operation_status_event(ioc, fw_event); |
| break; |
| case MPI2_EVENT_TASK_SET_FULL: |
| _scsih_task_set_full(ioc, fw_event); |
| break; |
| } |
| _scsih_fw_event_free(ioc, fw_event); |
| } |
| |
| /** |
| * mpt2sas_scsih_event_callback - firmware event handler (called at ISR time) |
| * @ioc: per adapter object |
| * @msix_index: MSIX table index supplied by the OS |
| * @reply: reply message frame(lower 32bit addr) |
| * Context: interrupt. |
| * |
| * This function merely adds a new work task into ioc->firmware_event_thread. |
| * The tasks are worked from _firmware_event_work in user context. |
| * |
| * Return 1 meaning mf should be freed from _base_interrupt |
| * 0 means the mf is freed from this function. |
| */ |
| u8 |
| mpt2sas_scsih_event_callback(struct MPT2SAS_ADAPTER *ioc, u8 msix_index, |
| u32 reply) |
| { |
| struct fw_event_work *fw_event; |
| Mpi2EventNotificationReply_t *mpi_reply; |
| u16 event; |
| u16 sz; |
| |
| /* events turned off due to host reset or driver unloading */ |
| if (ioc->remove_host) |
| return 1; |
| |
| mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply); |
| event = le16_to_cpu(mpi_reply->Event); |
| |
| switch (event) { |
| /* handle these */ |
| case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE: |
| { |
| Mpi2EventDataSasBroadcastPrimitive_t *baen_data = |
| (Mpi2EventDataSasBroadcastPrimitive_t *) |
| mpi_reply->EventData; |
| |
| if (baen_data->Primitive != |
| MPI2_EVENT_PRIMITIVE_ASYNCHRONOUS_EVENT || |
| ioc->broadcast_aen_busy) |
| return 1; |
| ioc->broadcast_aen_busy = 1; |
| break; |
| } |
| |
| case MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST: |
| _scsih_check_topo_delete_events(ioc, |
| (Mpi2EventDataSasTopologyChangeList_t *) |
| mpi_reply->EventData); |
| break; |
| case MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST: |
| _scsih_check_ir_config_unhide_events(ioc, |
| (Mpi2EventDataIrConfigChangeList_t *) |
| mpi_reply->EventData); |
| break; |
| case MPI2_EVENT_IR_VOLUME: |
| _scsih_check_volume_delete_events(ioc, |
| (Mpi2EventDataIrVolume_t *) |
| mpi_reply->EventData); |
| break; |
| case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE: |
| case MPI2_EVENT_IR_OPERATION_STATUS: |
| case MPI2_EVENT_SAS_DISCOVERY: |
| case MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE: |
| case MPI2_EVENT_IR_PHYSICAL_DISK: |
| case MPI2_EVENT_TASK_SET_FULL: |
| break; |
| |
| default: /* ignore the rest */ |
| return 1; |
| } |
| |
| fw_event = kzalloc(sizeof(struct fw_event_work), GFP_ATOMIC); |
| if (!fw_event) { |
| printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", |
| ioc->name, __FILE__, __LINE__, __func__); |
| return 1; |
| } |
| sz = le16_to_cpu(mpi_reply->EventDataLength) * 4; |
| fw_event->event_data = kzalloc(sz, GFP_ATOMIC); |
| if (!fw_event->event_data) { |
| printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", |
| ioc->name, __FILE__, __LINE__, __func__); |
| kfree(fw_event); |
| return 1; |
| } |
| |
| memcpy(fw_event->event_data, mpi_reply->EventData, |
| sz); |
| fw_event->ioc = ioc; |
| fw_event->VF_ID = mpi_reply->VF_ID; |
| fw_event->VP_ID = mpi_reply->VP_ID; |
| fw_event->event = event; |
| _scsih_fw_event_add(ioc, fw_event); |
| return 1; |
| } |
| |
| /* shost template */ |
| static struct scsi_host_template scsih_driver_template = { |
| .module = THIS_MODULE, |
| .name = "Fusion MPT SAS Host", |
| .proc_name = MPT2SAS_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, |
| .change_queue_depth = _scsih_change_queue_depth, |
| .change_queue_type = _scsih_change_queue_type, |
| .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 = MPT2SAS_SG_DEPTH, |
| .max_sectors = 8192, |
| .cmd_per_lun = 7, |
| .use_clustering = ENABLE_CLUSTERING, |
| .shost_attrs = mpt2sas_host_attrs, |
| .sdev_attrs = mpt2sas_dev_attrs, |
| }; |
| |
| /** |
| * _scsih_expander_node_remove - removing expander device from list. |
| * @ioc: per adapter object |
| * @sas_expander: the sas_device object |
| * Context: Calling function should acquire ioc->sas_node_lock. |
| * |
| * Removing object and freeing associated memory from the |
| * ioc->sas_expander_list. |
| * |
| * Return nothing. |
| */ |
| static void |
| _scsih_expander_node_remove(struct MPT2SAS_ADAPTER *ioc, |
| struct _sas_node *sas_expander) |
| { |
| struct _sas_port *mpt2sas_port; |
| struct _sas_device *sas_device; |
| struct _sas_node *expander_sibling; |
| unsigned long flags; |
| |
| if (!sas_expander) |
| return; |
| |
| /* remove sibling ports attached to this expander */ |
| retry_device_search: |
| list_for_each_entry(mpt2sas_port, |
| &sas_expander->sas_port_list, port_list) { |
| if (mpt2sas_port->remote_identify.device_type == |
| SAS_END_DEVICE) { |
| spin_lock_irqsave(&ioc->sas_device_lock, flags); |
| sas_device = |
| mpt2sas_scsih_sas_device_find_by_sas_address(ioc, |
| mpt2sas_port->remote_identify.sas_address); |
| spin_unlock_irqrestore(&ioc->sas_device_lock, flags); |
| if (!sas_device) |
| continue; |
| _scsih_remove_device(ioc, sas_device); |
| if (ioc->shost_recovery) |
| return; |
| goto retry_device_search; |
| } |
| } |
| |
| retry_expander_search: |
| list_for_each_entry(mpt2sas_port, |
| &sas_expander->sas_port_list, port_list) { |
| |
| if (mpt2sas_port->remote_identify.device_type == |
| MPI2_SAS_DEVICE_INFO_EDGE_EXPANDER || |
| mpt2sas_port->remote_identify.device_type == |
| MPI2_SAS_DEVICE_INFO_FANOUT_EXPANDER) { |
| |
| spin_lock_irqsave(&ioc->sas_node_lock, flags); |
| expander_sibling = |
| mpt2sas_scsih_expander_find_by_sas_address( |
| ioc, mpt2sas_port->remote_identify.sas_address); |
| spin_unlock_irqrestore(&ioc->sas_node_lock, flags); |
| if (!expander_sibling) |
| continue; |
| _scsih_expander_remove(ioc, |
| expander_sibling->sas_address); |
| if (ioc->shost_recovery) |
| return; |
| goto retry_expander_search; |
| } |
| } |
| |
| mpt2sas_transport_port_remove(ioc, sas_expander->sas_address, |
| sas_expander->sas_address_parent); |
| |
| printk(MPT2SAS_INFO_FMT "expander_remove: handle" |
| "(0x%04x), sas_addr(0x%016llx)\n", ioc->name, |
| sas_expander->handle, (unsigned long long) |
| sas_expander->sas_address); |
| |
| list_del(&sas_expander->list); |
| kfree(sas_expander->phy); |
| kfree(sas_expander); |
| } |
| |
| /** |
| * _scsih_ir_shutdown - IR shutdown notification |
| * @ioc: per adapter object |
| * |
| * Sending RAID Action to alert the Integrated RAID subsystem of the IOC that |
| * the host system is shutting down. |
| * |
| * Return nothing. |
| */ |
| static void |
| _scsih_ir_shutdown(struct MPT2SAS_ADAPTER *ioc) |
| { |
| Mpi2RaidActionRequest_t *mpi_request; |
| Mpi2RaidActionReply_t *mpi_reply; |
| u16 smid; |
| |
| /* is IR firmware build loaded ? */ |
| if (!ioc->ir_firmware) |
| return; |
| |
| /* are there any volumes ? */ |
| if (list_empty(&ioc->raid_device_list)) |
| return; |
| |
| mutex_lock(&ioc->scsih_cmds.mutex); |
| |
| if (ioc->scsih_cmds.status != MPT2_CMD_NOT_USED) { |
| printk(MPT2SAS_ERR_FMT "%s: scsih_cmd in use\n", |
| ioc->name, __func__); |
| goto out; |
| } |
| ioc->scsih_cmds.status = MPT2_CMD_PENDING; |
| |
| smid = mpt2sas_base_get_smid(ioc, ioc->scsih_cb_idx); |
| if (!smid) { |
| printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", |
| ioc->name, __func__); |
| ioc->scsih_cmds.status = MPT2_CMD_NOT_USED; |
| goto out; |
| } |
| |
| mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); |
| ioc->scsih_cmds.smid = smid; |
| memset(mpi_request, 0, sizeof(Mpi2RaidActionRequest_t)); |
| |
| mpi_request->Function = MPI2_FUNCTION_RAID_ACTION; |
| mpi_request->Action = MPI2_RAID_ACTION_SYSTEM_SHUTDOWN_INITIATED; |
| |
| printk(MPT2SAS_INFO_FMT "IR shutdown (sending)\n", ioc->name); |
| init_completion(&ioc->scsih_cmds.done); |
| mpt2sas_base_put_smid_default(ioc, smid); |
| wait_for_completion_timeout(&ioc->scsih_cmds.done, 10*HZ); |
| |
| if (!(ioc->scsih_cmds.status & MPT2_CMD_COMPLETE)) { |
| printk(MPT2SAS_ERR_FMT "%s: timeout\n", |
| ioc->name, __func__); |
| goto out; |
| } |
| |
| if (ioc->scsih_cmds.status & MPT2_CMD_REPLY_VALID) { |
| mpi_reply = ioc->scsih_cmds.reply; |
| |
| printk(MPT2SAS_INFO_FMT "IR shutdown (complete): " |
| "ioc_status(0x%04x), loginfo(0x%08x)\n", |
| ioc->name, le16_to_cpu(mpi_reply->IOCStatus), |
| le32_to_cpu(mpi_reply->IOCLogInfo)); |
| } |
| |
| out: |
| ioc->scsih_cmds.status = MPT2_CMD_NOT_USED; |
| mutex_unlock(&ioc->scsih_cmds.mutex); |
| } |
| |
| /** |
| * _scsih_shutdown - routine call during system shutdown |
| * @pdev: PCI device struct |
| * |
| * Return nothing. |
| */ |
| static void |
| _scsih_shutdown(struct pci_dev *pdev) |
| { |
| struct Scsi_Host *shost = pci_get_drvdata(pdev); |
| struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); |
| struct workqueue_struct *wq; |
| unsigned long flags; |
| |
| ioc->remove_host = 1; |
| _scsih_fw_event_cleanup_queue(ioc); |
| |
| spin_lock_irqsave(&ioc->fw_event_lock, flags); |
| wq = ioc->firmware_event_thread; |
| ioc->firmware_event_thread = NULL; |
| spin_unlock_irqrestore(&ioc->fw_event_lock, flags); |
| if (wq) |
| destroy_workqueue(wq); |
| |
| _scsih_ir_shutdown(ioc); |
| mpt2sas_base_detach(ioc); |
| } |
| |
| /** |
| * _scsih_remove - detach and remove add host |
| * @pdev: PCI device struct |
| * |
| * Routine called when unloading the driver. |
| * Return nothing. |
| */ |
| static void __devexit |
| _scsih_remove(struct pci_dev *pdev) |
| { |
| struct Scsi_Host *shost = pci_get_drvdata(pdev); |
| struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); |
| struct _sas_port *mpt2sas_port; |
| struct _sas_device *sas_device; |
| struct _sas_node *expander_sibling; |
| struct _raid_device *raid_device, *next; |
| struct MPT2SAS_TARGET *sas_target_priv_data; |
| struct workqueue_struct *wq; |
| unsigned long flags; |
| |
| ioc->remove_host = 1; |
| _scsih_fw_event_cleanup_queue(ioc); |
| |
| spin_lock_irqsave(&ioc->fw_event_lock, flags); |
| wq = ioc->firmware_event_thread; |
| ioc->firmware_event_thread = NULL; |
| spin_unlock_irqrestore(&ioc->fw_event_lock, flags); |
| if (wq) |
| destroy_workqueue(wq); |
| |
| /* release all the volumes */ |
| list_for_each_entry_safe(raid_device, next, &ioc->raid_device_list, |
| list) { |
| if (raid_device->starget) { |
| sas_target_priv_data = |
| raid_device->starget->hostdata; |
| sas_target_priv_data->deleted = 1; |
| scsi_remove_target(&raid_device->starget->dev); |
| } |
| printk(MPT2SAS_INFO_FMT "removing handle(0x%04x), wwid" |
| "(0x%016llx)\n", ioc->name, raid_device->handle, |
| (unsigned long long) raid_device->wwid); |
| _scsih_raid_device_remove(ioc, raid_device); |
| } |
| |
| /* free ports attached to the sas_host */ |
| retry_again: |
| list_for_each_entry(mpt2sas_port, |
| &ioc->sas_hba.sas_port_list, port_list) { |
| if (mpt2sas_port->remote_identify.device_type == |
| SAS_END_DEVICE) { |
| sas_device = |
| mpt2sas_scsih_sas_device_find_by_sas_address(ioc, |
| mpt2sas_port->remote_identify.sas_address); |
| if (sas_device) { |
| _scsih_remove_device(ioc, sas_device); |
| goto retry_again; |
| } |
| } else { |
| expander_sibling = |
| mpt2sas_scsih_expander_find_by_sas_address(ioc, |
| mpt2sas_port->remote_identify.sas_address); |
| if (expander_sibling) { |
| _scsih_expander_remove(ioc, |
| expander_sibling->sas_address); |
| goto retry_again; |
| } |
| } |
| } |
| |
| /* free phys attached to the sas_host */ |
| if (ioc->sas_hba.num_phys) { |
| kfree(ioc->sas_hba.phy); |
| ioc->sas_hba.phy = NULL; |
| ioc->sas_hba.num_phys = 0; |
| } |
| |
| sas_remove_host(shost); |
| _scsih_shutdown(pdev); |
| list_del(&ioc->list); |
| scsi_remove_host(shost); |
| scsi_host_put(shost); |
| } |
| |
| /** |
| * _scsih_probe_boot_devices - reports 1st device |
| * @ioc: per adapter object |
| * |
| * If specified in bios page 2, this routine reports the 1st |
| * device scsi-ml or sas transport for persistent boot device |
| * purposes. Please refer to function _scsih_determine_boot_device() |
| */ |
| static void |
| _scsih_probe_boot_devices(struct MPT2SAS_ADAPTER *ioc) |
| { |
| u8 is_raid; |
| void *device; |
| struct _sas_device *sas_device; |
| struct _raid_device *raid_device; |
| u16 handle; |
| u64 sas_address_parent; |
| u64 sas_address; |
| unsigned long flags; |
| int rc; |
| |
| device = NULL; |
| if (ioc->req_boot_device.device) { |
| device = ioc->req_boot_device.device; |
| is_raid = ioc->req_boot_device.is_raid; |
| } else if (ioc->req_alt_boot_device.device) { |
| device = ioc->req_alt_boot_device.device; |
| is_raid = ioc->req_alt_boot_device.is_raid; |
| } else if (ioc->current_boot_device.device) { |
| device = ioc->current_boot_device.device; |
| is_raid = ioc->current_boot_device.is_raid; |
| } |
| |
| if (!device) |
| return; |
| |
| if (is_raid) { |
| raid_device = device; |
| rc = scsi_add_device(ioc->shost, RAID_CHANNEL, |
| raid_device->id, 0); |
| if (rc) |
| _scsih_raid_device_remove(ioc, raid_device); |
| } else { |
| sas_device = device; |
| handle = sas_device->handle; |
| sas_address_parent = sas_device->sas_address_parent; |
| sas_address = sas_device->sas_address; |
| spin_lock_irqsave(&ioc->sas_device_lock, flags); |
| list_move_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) { |
| mpt2sas_transport_port_remove(ioc, sas_address, |
| sas_address_parent); |
| _scsih_sas_device_remove(ioc, sas_device); |
| } |
| } |
| } |
| |
| /** |
| * _scsih_probe_raid - reporting raid volumes to scsi-ml |
| * @ioc: per adapter object |
| * |
| * Called during initial loading of the driver. |
| */ |
| static void |
| _scsih_probe_raid(struct MPT2SAS_ADAPTER *ioc) |
| { |
| struct _raid_device *raid_device, *raid_next; |
| int rc; |
| |
| list_for_each_entry_safe(raid_device, raid_next, |
| &ioc->raid_device_list, list) { |
| if (raid_device->starget) |
| continue; |
| rc = scsi_add_device(ioc->shost, RAID_CHANNEL, |
| raid_device->id, 0); |
| if (rc) |
| _scsih_raid_device_remove(ioc, raid_device); |
| } |
| } |
| |
| /** |
| * _scsih_probe_sas - reporting sas devices to sas transport |
| * @ioc: per adapter object |
| * |
| * Called during initial loading of the driver. |
| */ |
| static void |
| _scsih_probe_sas(struct MPT2SAS_ADAPTER *ioc) |
| { |
| struct _sas_device *sas_device, *next; |
| unsigned long flags; |
| |
| /* SAS Device List */ |
| list_for_each_entry_safe(sas_device, next, &ioc->sas_device_init_list, |
| list) { |
| spin_lock_irqsave(&ioc->sas_device_lock, flags); |
| list_move_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) { |
| mpt2sas_transport_port_remove(ioc, |
| sas_device->sas_address, |
| sas_device->sas_address_parent); |
| _scsih_sas_device_remove(ioc, sas_device); |
| } |
| } |
| } |
| |
| /** |
| * _scsih_probe_devices - probing for devices |
| * @ioc: per adapter object |
| * |
| * Called during initial loading of the driver. |
| */ |
| static void |
| _scsih_probe_devices(struct MPT2SAS_ADAPTER *ioc) |
| { |
| u16 volume_mapping_flags = |
| le16_to_cpu(ioc->ioc_pg8.IRVolumeMappingFlags) & |
| MPI2_IOCPAGE8_IRFLAGS_MASK_VOLUME_MAPPING_MODE; |
| |
| if (!(ioc->facts.ProtocolFlags & MPI2_IOCFACTS_PROTOCOL_SCSI_INITIATOR)) |
| return; /* return when IOC doesn't support initiator mode */ |
| |
| _scsih_probe_boot_devices(ioc); |
| |
| if (ioc->ir_firmware) { |
| if ((volume_mapping_flags & |
| MPI2_IOCPAGE8_IRFLAGS_HIGH_VOLUME_MAPPING)) { |
| _scsih_probe_sas(ioc); |
| _scsih_probe_raid(ioc); |
| } else { |
| _scsih_probe_raid(ioc); |
| _scsih_probe_sas(ioc); |
| } |
| } else |
| _scsih_probe_sas(ioc); |
| } |
| |
| /** |
| * _scsih_probe - attach and add scsi host |
| * @pdev: PCI device struct |
| * @id: pci device id |
| * |
| * Returns 0 success, anything else error. |
| */ |
| static int |
| _scsih_probe(struct pci_dev *pdev, const struct pci_device_id *id) |
| { |
| struct MPT2SAS_ADAPTER *ioc; |
| struct Scsi_Host *shost; |
| |
| shost = scsi_host_alloc(&scsih_driver_template, |
| sizeof(struct MPT2SAS_ADAPTER)); |
| if (!shost) |
| return -ENODEV; |
| |
| /* init local params */ |
| ioc = shost_priv(shost); |
| memset(ioc, 0, sizeof(struct MPT2SAS_ADAPTER)); |
| INIT_LIST_HEAD(&ioc->list); |
| list_add_tail(&ioc->list, &mpt2sas_ioc_list); |
| ioc->shost = shost; |
| ioc->id = mpt_ids++; |
| sprintf(ioc->name, "%s%d", MPT2SAS_DRIVER_NAME, ioc->id); |
| ioc->pdev = pdev; |
| ioc->scsi_io_cb_idx = scsi_io_cb_idx; |
| ioc->tm_cb_idx = tm_cb_idx; |
| ioc->ctl_cb_idx = ctl_cb_idx; |
| ioc->base_cb_idx = base_cb_idx; |
| ioc->transport_cb_idx = transport_cb_idx; |
| ioc->scsih_cb_idx = scsih_cb_idx; |
| ioc->config_cb_idx = config_cb_idx; |
| ioc->tm_tr_cb_idx = tm_tr_cb_idx; |
| ioc->tm_tr_volume_cb_idx = tm_tr_volume_cb_idx; |
| ioc->tm_sas_control_cb_idx = tm_sas_control_cb_idx; |
| ioc->logging_level = logging_level; |
| /* misc semaphores and spin locks */ |
| mutex_init(&ioc->reset_in_progress_mutex); |
| spin_lock_init(&ioc->ioc_reset_in_progress_lock); |
| spin_lock_init(&ioc->scsi_lookup_lock); |
| spin_lock_init(&ioc->sas_device_lock); |
| spin_lock_init(&ioc->sas_node_lock); |
| spin_lock_init(&ioc->fw_event_lock); |
| spin_lock_init(&ioc->raid_device_lock); |
| |
| INIT_LIST_HEAD(&ioc->sas_device_list); |
| INIT_LIST_HEAD(&ioc->sas_device_init_list); |
| INIT_LIST_HEAD(&ioc->sas_expander_list); |
| INIT_LIST_HEAD(&ioc->fw_event_list); |
| INIT_LIST_HEAD(&ioc->raid_device_list); |
| INIT_LIST_HEAD(&ioc->sas_hba.sas_port_list); |
| INIT_LIST_HEAD(&ioc->delayed_tr_list); |
| INIT_LIST_HEAD(&ioc->delayed_tr_volume_list); |
| |
| /* init shost parameters */ |
| shost->max_cmd_len = 32; |
| shost->max_lun = max_lun; |
| shost->transportt = mpt2sas_transport_template; |
| shost->unique_id = ioc->id; |
| |
| if ((scsi_add_host(shost, &pdev->dev))) { |
| printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", |
| ioc->name, __FILE__, __LINE__, __func__); |
| list_del(&ioc->list); |
| goto out_add_shost_fail; |
| } |
| |
| scsi_host_set_prot(shost, SHOST_DIF_TYPE1_PROTECTION |
| | SHOST_DIF_TYPE2_PROTECTION | SHOST_DIF_TYPE3_PROTECTION); |
| scsi_host_set_guard(shost, SHOST_DIX_GUARD_CRC); |
| |
| /* event thread */ |
| snprintf(ioc->firmware_event_name, sizeof(ioc->firmware_event_name), |
| "fw_event%d", ioc->id); |
| ioc->firmware_event_thread = create_singlethread_workqueue( |
| ioc->firmware_event_name); |
| if (!ioc->firmware_event_thread) { |
| printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", |
| ioc->name, __FILE__, __LINE__, __func__); |
| goto out_thread_fail; |
| } |
| |
| ioc->wait_for_port_enable_to_complete = 1; |
| if ((mpt2sas_base_attach(ioc))) { |
| printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", |
| ioc->name, __FILE__, __LINE__, __func__); |
| goto out_attach_fail; |
| } |
| |
| ioc->wait_for_port_enable_to_complete = 0; |
| _scsih_probe_devices(ioc); |
| return 0; |
| |
| out_attach_fail: |
| destroy_workqueue(ioc->firmware_event_thread); |
| out_thread_fail: |
| list_del(&ioc->list); |
| scsi_remove_host(shost); |
| out_add_shost_fail: |
| return -ENODEV; |
| } |
| |
| #ifdef CONFIG_PM |
| /** |
| * _scsih_suspend - power management suspend main entry point |
| * @pdev: PCI device struct |
| * @state: PM state change to (usually PCI_D3) |
| * |
| * Returns 0 success, anything else error. |
| */ |
| static int |
| _scsih_suspend(struct pci_dev *pdev, pm_message_t state) |
| { |
| struct Scsi_Host *shost = pci_get_drvdata(pdev); |
| struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); |
| u32 device_state; |
| |
| mpt2sas_base_stop_watchdog(ioc); |
| flush_scheduled_work(); |
| scsi_block_requests(shost); |
| device_state = pci_choose_state(pdev, state); |
| printk(MPT2SAS_INFO_FMT "pdev=0x%p, slot=%s, entering " |
| "operating state [D%d]\n", ioc->name, pdev, |
| pci_name(pdev), device_state); |
| |
| mpt2sas_base_free_resources(ioc); |
| pci_save_state(pdev); |
| pci_disable_device(pdev); |
| pci_set_power_state(pdev, device_state); |
| return 0; |
| } |
| |
| /** |
| * _scsih_resume - power management resume main entry point |
| * @pdev: PCI device struct |
| * |
| * Returns 0 success, anything else error. |
| */ |
| static int |
| _scsih_resume(struct pci_dev *pdev) |
| { |
| struct Scsi_Host *shost = pci_get_drvdata(pdev); |
| struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); |
| u32 device_state = pdev->current_state; |
| int r; |
| |
| printk(MPT2SAS_INFO_FMT "pdev=0x%p, slot=%s, previous " |
| "operating state [D%d]\n", ioc->name, pdev, |
| pci_name(pdev), device_state); |
| |
| pci_set_power_state(pdev, PCI_D0); |
| pci_enable_wake(pdev, PCI_D0, 0); |
| pci_restore_state(pdev); |
| ioc->pdev = pdev; |
| r = mpt2sas_base_map_resources(ioc); |
| if (r) |
| return r; |
| |
| mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, SOFT_RESET); |
| scsi_unblock_requests(shost); |
| mpt2sas_base_start_watchdog(ioc); |
| return 0; |
| } |
| #endif /* CONFIG_PM */ |
| |
| /** |
| * _scsih_pci_error_detected - Called when a PCI error is detected. |
| * @pdev: PCI device struct |
| * @state: PCI channel state |
| * |
| * Description: Called when a PCI error is detected. |
| * |
| * Return value: |
| * PCI_ERS_RESULT_NEED_RESET or PCI_ERS_RESULT_DISCONNECT |
| */ |
| static pci_ers_result_t |
| _scsih_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state) |
| { |
| struct Scsi_Host *shost = pci_get_drvdata(pdev); |
| struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); |
| |
| printk(MPT2SAS_INFO_FMT "PCI error: detected callback, state(%d)!!\n", |
| ioc->name, state); |
| |
| switch (state) { |
| case pci_channel_io_normal: |
| return PCI_ERS_RESULT_CAN_RECOVER; |
| case pci_channel_io_frozen: |
| scsi_block_requests(ioc->shost); |
| mpt2sas_base_stop_watchdog(ioc); |
| mpt2sas_base_free_resources(ioc); |
| return PCI_ERS_RESULT_NEED_RESET; |
| case pci_channel_io_perm_failure: |
| _scsih_remove(pdev); |
| return PCI_ERS_RESULT_DISCONNECT; |
| } |
| return PCI_ERS_RESULT_NEED_RESET; |
| } |
| |
| /** |
| * _scsih_pci_slot_reset - Called when PCI slot has been reset. |
| * @pdev: PCI device struct |
| * |
| * Description: This routine is called by the pci error recovery |
| * code after the PCI slot has been reset, just before we |
| * should resume normal operations. |
| */ |
| static pci_ers_result_t |
| _scsih_pci_slot_reset(struct pci_dev *pdev) |
| { |
| struct Scsi_Host *shost = pci_get_drvdata(pdev); |
| struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); |
| int rc; |
| |
| printk(MPT2SAS_INFO_FMT "PCI error: slot reset callback!!\n", |
| ioc->name); |
| |
| ioc->pdev = pdev; |
| rc = mpt2sas_base_map_resources(ioc); |
| if (rc) |
| return PCI_ERS_RESULT_DISCONNECT; |
| |
| |
| rc = mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, |
| FORCE_BIG_HAMMER); |
| |
| printk(MPT2SAS_WARN_FMT "hard reset: %s\n", ioc->name, |
| (rc == 0) ? "success" : "failed"); |
| |
| if (!rc) |
| return PCI_ERS_RESULT_RECOVERED; |
| else |
| return PCI_ERS_RESULT_DISCONNECT; |
| } |
| |
| /** |
| * _scsih_pci_resume() - resume normal ops after PCI reset |
| * @pdev: pointer to PCI device |
| * |
| * Called when the error recovery driver tells us that its |
| * OK to resume normal operation. Use completion to allow |
| * halted scsi ops to resume. |
| */ |
| static void |
| _scsih_pci_resume(struct pci_dev *pdev) |
| { |
| struct Scsi_Host *shost = pci_get_drvdata(pdev); |
| struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); |
| |
| printk(MPT2SAS_INFO_FMT "PCI error: resume callback!!\n", ioc->name); |
| |
| pci_cleanup_aer_uncorrect_error_status(pdev); |
| mpt2sas_base_start_watchdog(ioc); |
| scsi_unblock_requests(ioc->shost); |
| } |
| |
| /** |
| * _scsih_pci_mmio_enabled - Enable MMIO and dump debug registers |
| * @pdev: pointer to PCI device |
| */ |
| static pci_ers_result_t |
| _scsih_pci_mmio_enabled(struct pci_dev *pdev) |
| { |
| struct Scsi_Host *shost = pci_get_drvdata(pdev); |
| struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); |
| |
| printk(MPT2SAS_INFO_FMT "PCI error: mmio enabled callback!!\n", |
| ioc->name); |
| |
| /* TODO - dump whatever for debugging purposes */ |
| |
| /* Request a slot reset. */ |
| return PCI_ERS_RESULT_NEED_RESET; |
| } |
| |
| 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 = MPT2SAS_DRIVER_NAME, |
| .id_table = scsih_pci_table, |
| .probe = _scsih_probe, |
| .remove = __devexit_p(_scsih_remove), |
| .shutdown = _scsih_shutdown, |
| .err_handler = &_scsih_err_handler, |
| #ifdef CONFIG_PM |
| .suspend = _scsih_suspend, |
| .resume = _scsih_resume, |
| #endif |
| }; |
| |
| /* raid transport support */ |
| static struct raid_function_template mpt2sas_raid_functions = { |
| .cookie = &scsih_driver_template, |
| .is_raid = _scsih_is_raid, |
| .get_resync = _scsih_get_resync, |
| .get_state = _scsih_get_state, |
| }; |
| |
| /** |
| * _scsih_init - main entry point for this driver. |
| * |
| * Returns 0 success, anything else error. |
| */ |
| static int __init |
| _scsih_init(void) |
| { |
| int error; |
| |
| mpt_ids = 0; |
| printk(KERN_INFO "%s version %s loaded\n", MPT2SAS_DRIVER_NAME, |
| MPT2SAS_DRIVER_VERSION); |
| |
| mpt2sas_transport_template = |
| sas_attach_transport(&mpt2sas_transport_functions); |
| if (!mpt2sas_transport_template) |
| return -ENODEV; |
| /* raid transport support */ |
| mpt2sas_raid_template = raid_class_attach(&mpt2sas_raid_functions); |
| if (!mpt2sas_raid_template) { |
| sas_release_transport(mpt2sas_transport_template); |
| return -ENODEV; |
| } |
| |
| mpt2sas_base_initialize_callback_handler(); |
| |
| /* queuecommand callback hander */ |
| scsi_io_cb_idx = mpt2sas_base_register_callback_handler(_scsih_io_done); |
| |
| /* task managment callback handler */ |
| tm_cb_idx = mpt2sas_base_register_callback_handler(_scsih_tm_done); |
| |
| /* base internal commands callback handler */ |
| base_cb_idx = mpt2sas_base_register_callback_handler(mpt2sas_base_done); |
| |
| /* transport internal commands callback handler */ |
| transport_cb_idx = mpt2sas_base_register_callback_handler( |
| mpt2sas_transport_done); |
| |
| /* scsih internal commands callback handler */ |
| scsih_cb_idx = mpt2sas_base_register_callback_handler(_scsih_done); |
| |
| /* configuration page API internal commands callback handler */ |
| config_cb_idx = mpt2sas_base_register_callback_handler( |
| mpt2sas_config_done); |
| |
| /* ctl module callback handler */ |
| ctl_cb_idx = mpt2sas_base_register_callback_handler(mpt2sas_ctl_done); |
| |
| tm_tr_cb_idx = mpt2sas_base_register_callback_handler( |
| _scsih_tm_tr_complete); |
| |
| tm_tr_volume_cb_idx = mpt2sas_base_register_callback_handler( |
| _scsih_tm_volume_tr_complete); |
| |
| tm_sas_control_cb_idx = mpt2sas_base_register_callback_handler( |
| _scsih_sas_control_complete); |
| |
| mpt2sas_ctl_init(); |
| |
| error = pci_register_driver(&scsih_driver); |
| if (error) { |
| /* raid transport support */ |
| raid_class_release(mpt2sas_raid_template); |
| sas_release_transport(mpt2sas_transport_template); |
| } |
| |
| return error; |
| } |
| |
| /** |
| * _scsih_exit - exit point for this driver (when it is a module). |
| * |
| * Returns 0 success, anything else error. |
| */ |
| static void __exit |
| _scsih_exit(void) |
| { |
| printk(KERN_INFO "mpt2sas version %s unloading\n", |
| MPT2SAS_DRIVER_VERSION); |
| |
| pci_unregister_driver(&scsih_driver); |
| |
| mpt2sas_ctl_exit(); |
| |
| mpt2sas_base_release_callback_handler(scsi_io_cb_idx); |
| mpt2sas_base_release_callback_handler(tm_cb_idx); |
| mpt2sas_base_release_callback_handler(base_cb_idx); |
| mpt2sas_base_release_callback_handler(transport_cb_idx); |
| mpt2sas_base_release_callback_handler(scsih_cb_idx); |
| mpt2sas_base_release_callback_handler(config_cb_idx); |
| mpt2sas_base_release_callback_handler(ctl_cb_idx); |
| |
| mpt2sas_base_release_callback_handler(tm_tr_cb_idx); |
| mpt2sas_base_release_callback_handler(tm_tr_volume_cb_idx); |
| mpt2sas_base_release_callback_handler(tm_sas_control_cb_idx); |
| |
| /* raid transport support */ |
| raid_class_release(mpt2sas_raid_template); |
| sas_release_transport(mpt2sas_transport_template); |
| |
| } |
| |
| module_init(_scsih_init); |
| module_exit(_scsih_exit); |