/* * This is the Fusion MPT base driver providing common API layer interface * for access to MPT (Message Passing Technology) firmware. * * This code is based on drivers/scsi/mpt2sas/mpt2_base.h * 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. */ #ifndef MPT2SAS_BASE_H_INCLUDED #define MPT2SAS_BASE_H_INCLUDED #include "mpi/mpi2_type.h" #include "mpi/mpi2.h" #include "mpi/mpi2_ioc.h" #include "mpi/mpi2_cnfg.h" #include "mpi/mpi2_init.h" #include "mpi/mpi2_raid.h" #include "mpi/mpi2_tool.h" #include "mpi/mpi2_sas.h" #include #include #include #include #include #include #include #include #include "mpt2sas_debug.h" /* driver versioning info */ #define MPT2SAS_DRIVER_NAME "mpt2sas" #define MPT2SAS_AUTHOR "LSI Corporation " #define MPT2SAS_DESCRIPTION "LSI MPT Fusion SAS 2.0 Device Driver" #define MPT2SAS_DRIVER_VERSION "10.100.00.00" #define MPT2SAS_MAJOR_VERSION 10 #define MPT2SAS_MINOR_VERSION 100 #define MPT2SAS_BUILD_VERSION 00 #define MPT2SAS_RELEASE_VERSION 00 /* * Set MPT2SAS_SG_DEPTH value based on user input. */ #ifdef CONFIG_SCSI_MPT2SAS_MAX_SGE #if CONFIG_SCSI_MPT2SAS_MAX_SGE < 16 #define MPT2SAS_SG_DEPTH 16 #elif CONFIG_SCSI_MPT2SAS_MAX_SGE > 128 #define MPT2SAS_SG_DEPTH 128 #else #define MPT2SAS_SG_DEPTH CONFIG_SCSI_MPT2SAS_MAX_SGE #endif #else #define MPT2SAS_SG_DEPTH 128 /* MAX_HW_SEGMENTS */ #endif /* * Generic Defines */ #define MPT2SAS_SATA_QUEUE_DEPTH 32 #define MPT2SAS_SAS_QUEUE_DEPTH 254 #define MPT2SAS_RAID_QUEUE_DEPTH 128 #define MPT_NAME_LENGTH 32 /* generic length of strings */ #define MPT_STRING_LENGTH 64 #define MPT_MAX_CALLBACKS 16 #define CAN_SLEEP 1 #define NO_SLEEP 0 #define INTERNAL_CMDS_COUNT 10 /* reserved cmds */ #define MPI2_HIM_MASK 0xFFFFFFFF /* mask every bit*/ #define MPT2SAS_INVALID_DEVICE_HANDLE 0xFFFF /* * reset phases */ #define MPT2_IOC_PRE_RESET 1 /* prior to host reset */ #define MPT2_IOC_AFTER_RESET 2 /* just after host reset */ #define MPT2_IOC_DONE_RESET 3 /* links re-initialized */ /* * logging format */ #define MPT2SAS_FMT "%s: " #define MPT2SAS_INFO_FMT KERN_INFO MPT2SAS_FMT #define MPT2SAS_NOTE_FMT KERN_NOTICE MPT2SAS_FMT #define MPT2SAS_WARN_FMT KERN_WARNING MPT2SAS_FMT #define MPT2SAS_ERR_FMT KERN_ERR MPT2SAS_FMT /* * Dell HBA branding */ #define MPT2SAS_DELL_BRANDING_SIZE 32 #define MPT2SAS_DELL_6GBPS_SAS_HBA_BRANDING "Dell 6Gbps SAS HBA" #define MPT2SAS_DELL_PERC_H200_ADAPTER_BRANDING "Dell PERC H200 Adapter" #define MPT2SAS_DELL_PERC_H200_INTEGRATED_BRANDING "Dell PERC H200 Integrated" #define MPT2SAS_DELL_PERC_H200_MODULAR_BRANDING "Dell PERC H200 Modular" #define MPT2SAS_DELL_PERC_H200_EMBEDDED_BRANDING "Dell PERC H200 Embedded" #define MPT2SAS_DELL_PERC_H200_BRANDING "Dell PERC H200" #define MPT2SAS_DELL_6GBPS_SAS_BRANDING "Dell 6Gbps SAS" /* * Dell HBA SSDIDs */ #define MPT2SAS_DELL_6GBPS_SAS_HBA_SSDID 0x1F1C #define MPT2SAS_DELL_PERC_H200_ADAPTER_SSDID 0x1F1D #define MPT2SAS_DELL_PERC_H200_INTEGRATED_SSDID 0x1F1E #define MPT2SAS_DELL_PERC_H200_MODULAR_SSDID 0x1F1F #define MPT2SAS_DELL_PERC_H200_EMBEDDED_SSDID 0x1F20 #define MPT2SAS_DELL_PERC_H200_SSDID 0x1F21 #define MPT2SAS_DELL_6GBPS_SAS_SSDID 0x1F22 /* * Intel HBA branding */ #define MPT2SAS_INTEL_RMS2LL080_BRANDING \ "Intel Integrated RAID Module RMS2LL080" #define MPT2SAS_INTEL_RMS2LL040_BRANDING \ "Intel Integrated RAID Module RMS2LL040" #define MPT2SAS_INTEL_RS25GB008_BRANDING \ "Intel(R) RAID Controller RS25GB008" /* * Intel HBA SSDIDs */ #define MPT2SAS_INTEL_RMS2LL080_SSDID 0x350E #define MPT2SAS_INTEL_RMS2LL040_SSDID 0x350F #define MPT2SAS_INTEL_RS25GB008_SSDID 0x3000 /* * HP HBA branding */ #define MPT2SAS_HP_3PAR_SSVID 0x1590 #define MPT2SAS_HP_2_4_INTERNAL_BRANDING "HP H220 Host Bus Adapter" #define MPT2SAS_HP_2_4_EXTERNAL_BRANDING "HP H221 Host Bus Adapter" #define MPT2SAS_HP_1_4_INTERNAL_1_4_EXTERNAL_BRANDING "HP H222 Host Bus Adapter" #define MPT2SAS_HP_EMBEDDED_2_4_INTERNAL_BRANDING "HP H220i Host Bus Adapter" #define MPT2SAS_HP_DAUGHTER_2_4_INTERNAL_BRANDING "HP H210i Host Bus Adapter" /* * HO HBA SSDIDs */ #define MPT2SAS_HP_2_4_INTERNAL_SSDID 0x0041 #define MPT2SAS_HP_2_4_EXTERNAL_SSDID 0x0042 #define MPT2SAS_HP_1_4_INTERNAL_1_4_EXTERNAL_SSDID 0x0043 #define MPT2SAS_HP_EMBEDDED_2_4_INTERNAL_SSDID 0x0044 #define MPT2SAS_HP_DAUGHTER_2_4_INTERNAL_SSDID 0x0046 /* * WarpDrive Specific Log codes */ #define MPT2_WARPDRIVE_LOGENTRY (0x8002) #define MPT2_WARPDRIVE_LC_SSDT (0x41) #define MPT2_WARPDRIVE_LC_SSDLW (0x43) #define MPT2_WARPDRIVE_LC_SSDLF (0x44) #define MPT2_WARPDRIVE_LC_BRMF (0x4D) /* * per target private data */ #define MPT_TARGET_FLAGS_RAID_COMPONENT 0x01 #define MPT_TARGET_FLAGS_VOLUME 0x02 #define MPT_TARGET_FLAGS_DELETED 0x04 /** * struct MPT2SAS_TARGET - starget private hostdata * @starget: starget object * @sas_address: target sas address * @raid_device: raid_device pointer to access volume data * @handle: device handle * @num_luns: number luns * @flags: MPT_TARGET_FLAGS_XXX flags * @deleted: target flaged for deletion * @tm_busy: target is busy with TM request. */ struct MPT2SAS_TARGET { struct scsi_target *starget; u64 sas_address; struct _raid_device *raid_device; u16 handle; int num_luns; u32 flags; u8 deleted; u8 tm_busy; }; /* * per device private data */ #define MPT_DEVICE_FLAGS_INIT 0x01 #define MPT_DEVICE_TLR_ON 0x02 /** * struct MPT2SAS_DEVICE - sdev private hostdata * @sas_target: starget private hostdata * @lun: lun number * @flags: MPT_DEVICE_XXX flags * @configured_lun: lun is configured * @block: device is in SDEV_BLOCK state * @tlr_snoop_check: flag used in determining whether to disable TLR */ /* OEM Identifiers */ #define MFG10_OEM_ID_INVALID (0x00000000) #define MFG10_OEM_ID_DELL (0x00000001) #define MFG10_OEM_ID_FSC (0x00000002) #define MFG10_OEM_ID_SUN (0x00000003) #define MFG10_OEM_ID_IBM (0x00000004) /* GENERIC Flags 0*/ #define MFG10_GF0_OCE_DISABLED (0x00000001) #define MFG10_GF0_R1E_DRIVE_COUNT (0x00000002) #define MFG10_GF0_R10_DISPLAY (0x00000004) #define MFG10_GF0_SSD_DATA_SCRUB_DISABLE (0x00000008) #define MFG10_GF0_SINGLE_DRIVE_R0 (0x00000010) /* OEM Specific Flags will come from OEM specific header files */ typedef struct _MPI2_CONFIG_PAGE_MAN_10 { MPI2_CONFIG_PAGE_HEADER Header; /* 00h */ U8 OEMIdentifier; /* 04h */ U8 Reserved1; /* 05h */ U16 Reserved2; /* 08h */ U32 Reserved3; /* 0Ch */ U32 GenericFlags0; /* 10h */ U32 GenericFlags1; /* 14h */ U32 Reserved4; /* 18h */ U32 OEMSpecificFlags0; /* 1Ch */ U32 OEMSpecificFlags1; /* 20h */ U32 Reserved5[18]; /* 24h-60h*/ } MPI2_CONFIG_PAGE_MAN_10, MPI2_POINTER PTR_MPI2_CONFIG_PAGE_MAN_10, Mpi2ManufacturingPage10_t, MPI2_POINTER pMpi2ManufacturingPage10_t; #define MFG_PAGE10_HIDE_SSDS_MASK (0x00000003) #define MFG_PAGE10_HIDE_ALL_DISKS (0x00) #define MFG_PAGE10_EXPOSE_ALL_DISKS (0x01) #define MFG_PAGE10_HIDE_IF_VOL_PRESENT (0x02) struct MPT2SAS_DEVICE { struct MPT2SAS_TARGET *sas_target; unsigned int lun; u32 flags; u8 configured_lun; u8 block; u8 tlr_snoop_check; }; #define MPT2_CMD_NOT_USED 0x8000 /* free */ #define MPT2_CMD_COMPLETE 0x0001 /* completed */ #define MPT2_CMD_PENDING 0x0002 /* pending */ #define MPT2_CMD_REPLY_VALID 0x0004 /* reply is valid */ #define MPT2_CMD_RESET 0x0008 /* host reset dropped the command */ /** * struct _internal_cmd - internal commands struct * @mutex: mutex * @done: completion * @reply: reply message pointer * @sense: sense data * @status: MPT2_CMD_XXX status * @smid: system message id */ struct _internal_cmd { struct mutex mutex; struct completion done; void *reply; void *sense; u16 status; u16 smid; }; /** * struct _sas_device - attached device information * @list: sas device list * @starget: starget object * @sas_address: device sas address * @device_name: retrieved from the SAS IDENTIFY frame. * @handle: device handle * @sas_address_parent: sas address of parent expander or sas host * @enclosure_handle: enclosure handle * @enclosure_logical_id: enclosure logical identifier * @volume_handle: volume handle (valid when hidden raid member) * @volume_wwid: volume unique identifier * @device_info: bitfield provides detailed info about the device * @id: target id * @channel: target channel * @slot: number number * @phy: phy identifier provided in sas device page 0 * @responding: used in _scsih_sas_device_mark_responding */ struct _sas_device { struct list_head list; struct scsi_target *starget; u64 sas_address; u64 device_name; u16 handle; u64 sas_address_parent; u16 enclosure_handle; u64 enclosure_logical_id; u16 volume_handle; u64 volume_wwid; u32 device_info; int id; int channel; u16 slot; u8 phy; u8 responding; }; /** * struct _raid_device - raid volume link list * @list: sas device list * @starget: starget object * @sdev: scsi device struct (volumes are single lun) * @wwid: unique identifier for the volume * @handle: device handle * @block_size: Block size of the volume * @id: target id * @channel: target channel * @volume_type: the raid level * @device_info: bitfield provides detailed info about the hidden components * @num_pds: number of hidden raid components * @responding: used in _scsih_raid_device_mark_responding * @percent_complete: resync percent complete * @direct_io_enabled: Whether direct io to PDs are allowed or not * @stripe_exponent: X where 2powX is the stripe sz in blocks * @max_lba: Maximum number of LBA in the volume * @stripe_sz: Stripe Size of the volume * @device_info: Device info of the volume member disk * @pd_handle: Array of handles of the physical drives for direct I/O in le16 */ #define MPT_MAX_WARPDRIVE_PDS 8 struct _raid_device { struct list_head list; struct scsi_target *starget; struct scsi_device *sdev; u64 wwid; u16 handle; u16 block_sz; int id; int channel; u8 volume_type; u8 num_pds; u8 responding; u8 percent_complete; u8 direct_io_enabled; u8 stripe_exponent; u64 max_lba; u32 stripe_sz; u32 device_info; u16 pd_handle[MPT_MAX_WARPDRIVE_PDS]; }; /** * struct _boot_device - boot device info * @is_raid: flag to indicate whether this is volume * @device: holds pointer for either struct _sas_device or * struct _raid_device */ struct _boot_device { u8 is_raid; void *device; }; /** * struct _sas_port - wide/narrow sas port information * @port_list: list of ports belonging to expander * @num_phys: number of phys belonging to this port * @remote_identify: attached device identification * @rphy: sas transport rphy object * @port: sas transport wide/narrow port object * @phy_list: _sas_phy list objects belonging to this port */ struct _sas_port { struct list_head port_list; u8 num_phys; struct sas_identify remote_identify; struct sas_rphy *rphy; struct sas_port *port; struct list_head phy_list; }; /** * struct _sas_phy - phy information * @port_siblings: list of phys belonging to a port * @identify: phy identification * @remote_identify: attached device identification * @phy: sas transport phy object * @phy_id: unique phy id * @handle: device handle for this phy * @attached_handle: device handle for attached device * @phy_belongs_to_port: port has been created for this phy */ struct _sas_phy { struct list_head port_siblings; struct sas_identify identify; struct sas_identify remote_identify; struct sas_phy *phy; u8 phy_id; u16 handle; u16 attached_handle; u8 phy_belongs_to_port; }; /** * struct _sas_node - sas_host/expander information * @list: list of expanders * @parent_dev: parent device class * @num_phys: number phys belonging to this sas_host/expander * @sas_address: sas address of this sas_host/expander * @handle: handle for this sas_host/expander * @sas_address_parent: sas address of parent expander or sas host * @enclosure_handle: handle for this a member of an enclosure * @device_info: bitwise defining capabilities of this sas_host/expander * @responding: used in _scsih_expander_device_mark_responding * @phy: a list of phys that make up this sas_host/expander * @sas_port_list: list of ports attached to this sas_host/expander */ struct _sas_node { struct list_head list; struct device *parent_dev; u8 num_phys; u64 sas_address; u16 handle; u64 sas_address_parent; u16 enclosure_handle; u64 enclosure_logical_id; u8 responding; struct _sas_phy *phy; struct list_head sas_port_list; }; /** * enum reset_type - reset state * @FORCE_BIG_HAMMER: issue diagnostic reset * @SOFT_RESET: issue message_unit_reset, if fails to to big hammer */ enum reset_type { FORCE_BIG_HAMMER, SOFT_RESET, }; /** * struct chain_tracker - firmware chain tracker * @chain_buffer: chain buffer * @chain_buffer_dma: physical address * @tracker_list: list of free request (ioc->free_chain_list) */ struct chain_tracker { void *chain_buffer; dma_addr_t chain_buffer_dma; struct list_head tracker_list; }; /** * struct scsiio_tracker - scsi mf request tracker * @smid: system message id * @scmd: scsi request pointer * @cb_idx: callback index * @direct_io: To indicate whether I/O is direct (WARPDRIVE) * @chain_list: list of chains associated to this IO * @tracker_list: list of free request (ioc->free_list) */ struct scsiio_tracker { u16 smid; struct scsi_cmnd *scmd; u8 cb_idx; u8 direct_io; struct list_head chain_list; struct list_head tracker_list; }; /** * struct request_tracker - firmware request tracker * @smid: system message id * @cb_idx: callback index * @tracker_list: list of free request (ioc->free_list) */ struct request_tracker { u16 smid; u8 cb_idx; struct list_head tracker_list; }; /** * struct _tr_list - target reset list * @handle: device handle * @state: state machine */ struct _tr_list { struct list_head list; u16 handle; u16 state; }; typedef void (*MPT_ADD_SGE)(void *paddr, u32 flags_length, dma_addr_t dma_addr); /** * struct adapter_reply_queue - the reply queue struct * @ioc: per adapter object * @msix_index: msix index into vector table * @vector: irq vector * @reply_post_host_index: head index in the pool where FW completes IO * @reply_post_free: reply post base virt address * @name: the name registered to request_irq() * @busy: isr is actively processing replies on another cpu * @list: this list */ struct adapter_reply_queue { struct MPT2SAS_ADAPTER *ioc; u8 msix_index; unsigned int vector; u32 reply_post_host_index; Mpi2ReplyDescriptorsUnion_t *reply_post_free; char name[MPT_NAME_LENGTH]; atomic_t busy; struct list_head list; }; /* IOC Facts and Port Facts converted from little endian to cpu */ union mpi2_version_union { MPI2_VERSION_STRUCT Struct; u32 Word; }; struct mpt2sas_facts { u16 MsgVersion; u16 HeaderVersion; u8 IOCNumber; u8 VP_ID; u8 VF_ID; u16 IOCExceptions; u16 IOCStatus; u32 IOCLogInfo; u8 MaxChainDepth; u8 WhoInit; u8 NumberOfPorts; u8 MaxMSIxVectors; u16 RequestCredit; u16 ProductID; u32 IOCCapabilities; union mpi2_version_union FWVersion; u16 IOCRequestFrameSize; u16 Reserved3; u16 MaxInitiators; u16 MaxTargets; u16 MaxSasExpanders; u16 MaxEnclosures; u16 ProtocolFlags; u16 HighPriorityCredit; u16 MaxReplyDescriptorPostQueueDepth; u8 ReplyFrameSize; u8 MaxVolumes; u16 MaxDevHandle; u16 MaxPersistentEntries; u16 MinDevHandle; }; struct mpt2sas_port_facts { u8 PortNumber; u8 VP_ID; u8 VF_ID; u8 PortType; u16 MaxPostedCmdBuffers; }; /** * enum mutex_type - task management mutex type * @TM_MUTEX_OFF: mutex is not required becuase calling function is acquiring it * @TM_MUTEX_ON: mutex is required */ enum mutex_type { TM_MUTEX_OFF = 0, TM_MUTEX_ON = 1, }; /** * struct MPT2SAS_ADAPTER - per adapter struct * @list: ioc_list * @shost: shost object * @id: unique adapter id * @cpu_count: number online cpus * @name: generic ioc string * @tmp_string: tmp string used for logging * @pdev: pci pdev object * @chip: memory mapped register space * @chip_phys: physical addrss prior to mapping * @logging_level: see mpt2sas_debug.h * @fwfault_debug: debuging FW timeouts * @ir_firmware: IR firmware present * @bars: bitmask of BAR's that must be configured * @mask_interrupts: ignore interrupt * @fault_reset_work_q_name: fw fault work queue * @fault_reset_work_q: "" * @fault_reset_work: "" * @firmware_event_name: fw event work queue * @firmware_event_thread: "" * @fw_events_off: flag to turn off fw event handling * @fw_event_lock: * @fw_event_list: list of fw events * @aen_event_read_flag: event log was read * @broadcast_aen_busy: broadcast aen waiting to be serviced * @shost_recovery: host reset in progress * @ioc_reset_in_progress_lock: * @ioc_link_reset_in_progress: phy/hard reset in progress * @ignore_loginfos: ignore loginfos during task management * @remove_host: flag for when driver unloads, to avoid sending dev resets * @pci_error_recovery: flag to prevent ioc access until slot reset completes * @wait_for_discovery_to_complete: flag set at driver load time when * waiting on reporting devices * @is_driver_loading: flag set at driver load time * @port_enable_failed: flag set when port enable has failed * @start_scan: flag set from scan_start callback, cleared from _mpt2sas_fw_work * @start_scan_failed: means port enable failed, return's the ioc_status * @msix_enable: flag indicating msix is enabled * @msix_vector_count: number msix vectors * @cpu_msix_table: table for mapping cpus to msix index * @cpu_msix_table_sz: table size * @scsi_io_cb_idx: shost generated commands * @tm_cb_idx: task management commands * @scsih_cb_idx: scsih internal commands * @transport_cb_idx: transport internal commands * @ctl_cb_idx: clt internal commands * @base_cb_idx: base internal commands * @config_cb_idx: base internal commands * @tm_tr_cb_idx : device removal target reset handshake * @tm_tr_volume_cb_idx : volume removal target reset * @base_cmds: * @transport_cmds: * @scsih_cmds: * @tm_cmds: * @ctl_cmds: * @config_cmds: * @base_add_sg_single: handler for either 32/64 bit sgl's * @event_type: bits indicating which events to log * @event_context: unique id for each logged event * @event_log: event log pointer * @event_masks: events that are masked * @facts: static facts data * @pfacts: static port facts data * @manu_pg0: static manufacturing page 0 * @manu_pg10: static manufacturing page 10 * @bios_pg2: static bios page 2 * @bios_pg3: static bios page 3 * @ioc_pg8: static ioc page 8 * @iounit_pg0: static iounit page 0 * @iounit_pg1: static iounit page 1 * @sas_hba: sas host object * @sas_expander_list: expander object list * @sas_node_lock: * @sas_device_list: sas device object list * @sas_device_init_list: sas device object list (used only at init time) * @sas_device_lock: * @io_missing_delay: time for IO completed by fw when PDR enabled * @device_missing_delay: time for device missing by fw when PDR enabled * @sas_id : used for setting volume target IDs * @pd_handles : bitmask for PD handles * @pd_handles_sz : size of pd_handle bitmask * @config_page_sz: config page size * @config_page: reserve memory for config page payload * @config_page_dma: * @hba_queue_depth: hba request queue depth * @sge_size: sg element size for either 32/64 bit * @scsiio_depth: SCSI_IO queue depth * @request_sz: per request frame size * @request: pool of request frames * @request_dma: * @request_dma_sz: * @scsi_lookup: firmware request tracker list * @scsi_lookup_lock: * @free_list: free list of request * @chain: pool of chains * @pending_io_count: * @reset_wq: * @chain_dma: * @max_sges_in_main_message: number sg elements in main message * @max_sges_in_chain_message: number sg elements per chain * @chains_needed_per_io: max chains per io * @chain_offset_value_for_main_message: location 1st sg in main * @chain_depth: total chains allocated * @hi_priority_smid: * @hi_priority: * @hi_priority_dma: * @hi_priority_depth: * @hpr_lookup: * @hpr_free_list: * @internal_smid: * @internal: * @internal_dma: * @internal_depth: * @internal_lookup: * @internal_free_list: * @sense: pool of sense * @sense_dma: * @sense_dma_pool: * @reply_depth: hba reply queue depth: * @reply_sz: per reply frame size: * @reply: pool of replys: * @reply_dma: * @reply_dma_pool: * @reply_free_queue_depth: reply free depth * @reply_free: pool for reply free queue (32 bit addr) * @reply_free_dma: * @reply_free_dma_pool: * @reply_free_host_index: tail index in pool to insert free replys * @reply_post_queue_depth: reply post queue depth * @reply_post_free: pool for reply post (64bit descriptor) * @reply_post_free_dma: * @reply_queue_count: number of reply queue's * @reply_queue_list: link list contaning the reply queue info * @reply_post_host_index: head index in the pool where FW completes IO * @delayed_tr_list: target reset link list * @delayed_tr_volume_list: volume target reset link list */ struct MPT2SAS_ADAPTER { struct list_head list; struct Scsi_Host *shost; u8 id; int cpu_count; char name[MPT_NAME_LENGTH]; char tmp_string[MPT_STRING_LENGTH]; struct pci_dev *pdev; Mpi2SystemInterfaceRegs_t __iomem *chip; resource_size_t chip_phys; int logging_level; int fwfault_debug; u8 ir_firmware; int bars; u8 mask_interrupts; /* fw fault handler */ char fault_reset_work_q_name[20]; struct workqueue_struct *fault_reset_work_q; struct delayed_work fault_reset_work; /* fw event handler */ char firmware_event_name[20]; struct workqueue_struct *firmware_event_thread; spinlock_t fw_event_lock; struct list_head fw_event_list; /* misc flags */ int aen_event_read_flag; u8 broadcast_aen_busy; u16 broadcast_aen_pending; u8 shost_recovery; struct mutex reset_in_progress_mutex; spinlock_t ioc_reset_in_progress_lock; u8 ioc_link_reset_in_progress; u8 ioc_reset_in_progress_status; u8 ignore_loginfos; u8 remove_host; u8 pci_error_recovery; u8 wait_for_discovery_to_complete; struct completion port_enable_done; u8 is_driver_loading; u8 port_enable_failed; u8 start_scan; u16 start_scan_failed; u8 msix_enable; u16 msix_vector_count; u8 *cpu_msix_table; resource_size_t **reply_post_host_index; u16 cpu_msix_table_sz; u32 ioc_reset_count; /* internal commands, callback index */ u8 scsi_io_cb_idx; u8 tm_cb_idx; u8 transport_cb_idx; u8 scsih_cb_idx; u8 ctl_cb_idx; u8 base_cb_idx; u8 port_enable_cb_idx; u8 config_cb_idx; u8 tm_tr_cb_idx; u8 tm_tr_volume_cb_idx; u8 tm_sas_control_cb_idx; struct _internal_cmd base_cmds; struct _internal_cmd port_enable_cmds; struct _internal_cmd transport_cmds; struct _internal_cmd scsih_cmds; struct _internal_cmd tm_cmds; struct _internal_cmd ctl_cmds; struct _internal_cmd config_cmds; MPT_ADD_SGE base_add_sg_single; /* event log */ u32 event_type[MPI2_EVENT_NOTIFY_EVENTMASK_WORDS]; u32 event_context; void *event_log; u32 event_masks[MPI2_EVENT_NOTIFY_EVENTMASK_WORDS]; /* static config pages */ struct mpt2sas_facts facts; struct mpt2sas_port_facts *pfacts; Mpi2ManufacturingPage0_t manu_pg0; Mpi2BiosPage2_t bios_pg2; Mpi2BiosPage3_t bios_pg3; Mpi2IOCPage8_t ioc_pg8; Mpi2IOUnitPage0_t iounit_pg0; Mpi2IOUnitPage1_t iounit_pg1; struct _boot_device req_boot_device; struct _boot_device req_alt_boot_device; struct _boot_device current_boot_device; /* sas hba, expander, and device list */ struct _sas_node sas_hba; struct list_head sas_expander_list; spinlock_t sas_node_lock; struct list_head sas_device_list; struct list_head sas_device_init_list; spinlock_t sas_device_lock; struct list_head raid_device_list; spinlock_t raid_device_lock; u8 io_missing_delay; u16 device_missing_delay; int sas_id; void *pd_handles; u16 pd_handles_sz; /* config page */ u16 config_page_sz; void *config_page; dma_addr_t config_page_dma; /* scsiio request */ u16 hba_queue_depth; u16 sge_size; u16 scsiio_depth; u16 request_sz; u8 *request; dma_addr_t request_dma; u32 request_dma_sz; struct scsiio_tracker *scsi_lookup; ulong scsi_lookup_pages; spinlock_t scsi_lookup_lock; struct list_head free_list; int pending_io_count; wait_queue_head_t reset_wq; /* chain */ struct chain_tracker *chain_lookup; struct list_head free_chain_list; struct dma_pool *chain_dma_pool; ulong chain_pages; u16 max_sges_in_main_message; u16 max_sges_in_chain_message; u16 chains_needed_per_io; u16 chain_offset_value_for_main_message; u32 chain_depth; /* hi-priority queue */ u16 hi_priority_smid; u8 *hi_priority; dma_addr_t hi_priority_dma; u16 hi_priority_depth; struct request_tracker *hpr_lookup; struct list_head hpr_free_list; /* internal queue */ u16 internal_smid; u8 *internal; dma_addr_t internal_dma; u16 internal_depth; struct request_tracker *internal_lookup; struct list_head internal_free_list; /* sense */ u8 *sense; dma_addr_t sense_dma; struct dma_pool *sense_dma_pool; /* reply */ u16 reply_sz; u8 *reply; dma_addr_t reply_dma; u32 reply_dma_max_address; u32 reply_dma_min_address; struct dma_pool *reply_dma_pool; /* reply free queue */ u16 reply_free_queue_depth; __le32 *reply_free; dma_addr_t reply_free_dma; struct dma_pool *reply_free_dma_pool; u32 reply_free_host_index; /* reply post queue */ u16 reply_post_queue_depth; Mpi2ReplyDescriptorsUnion_t *reply_post_free; dma_addr_t reply_post_free_dma; struct dma_pool *reply_post_free_dma_pool; u8 reply_queue_count; struct list_head reply_queue_list; struct list_head delayed_tr_list; struct list_head delayed_tr_volume_list; /* diag buffer support */ u8 *diag_buffer[MPI2_DIAG_BUF_TYPE_COUNT]; u32 diag_buffer_sz[MPI2_DIAG_BUF_TYPE_COUNT]; dma_addr_t diag_buffer_dma[MPI2_DIAG_BUF_TYPE_COUNT]; u8 diag_buffer_status[MPI2_DIAG_BUF_TYPE_COUNT]; u32 unique_id[MPI2_DIAG_BUF_TYPE_COUNT]; Mpi2ManufacturingPage10_t manu_pg10; u32 product_specific[MPI2_DIAG_BUF_TYPE_COUNT][23]; u32 diagnostic_flags[MPI2_DIAG_BUF_TYPE_COUNT]; u32 ring_buffer_offset; u32 ring_buffer_sz; u8 is_warpdrive; u8 hide_ir_msg; u8 mfg_pg10_hide_flag; u8 hide_drives; }; typedef u8 (*MPT_CALLBACK)(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index, u32 reply); /* base shared API */ extern struct list_head mpt2sas_ioc_list; void mpt2sas_base_start_watchdog(struct MPT2SAS_ADAPTER *ioc); void mpt2sas_base_stop_watchdog(struct MPT2SAS_ADAPTER *ioc); int mpt2sas_base_attach(struct MPT2SAS_ADAPTER *ioc); void mpt2sas_base_detach(struct MPT2SAS_ADAPTER *ioc); int mpt2sas_base_map_resources(struct MPT2SAS_ADAPTER *ioc); void mpt2sas_base_free_resources(struct MPT2SAS_ADAPTER *ioc); int mpt2sas_base_hard_reset_handler(struct MPT2SAS_ADAPTER *ioc, int sleep_flag, enum reset_type type); void *mpt2sas_base_get_msg_frame(struct MPT2SAS_ADAPTER *ioc, u16 smid); void *mpt2sas_base_get_sense_buffer(struct MPT2SAS_ADAPTER *ioc, u16 smid); void mpt2sas_base_build_zero_len_sge(struct MPT2SAS_ADAPTER *ioc, void *paddr); __le32 mpt2sas_base_get_sense_buffer_dma(struct MPT2SAS_ADAPTER *ioc, u16 smid); void mpt2sas_base_flush_reply_queues(struct MPT2SAS_ADAPTER *ioc); /* hi-priority queue */ u16 mpt2sas_base_get_smid_hpr(struct MPT2SAS_ADAPTER *ioc, u8 cb_idx); u16 mpt2sas_base_get_smid_scsiio(struct MPT2SAS_ADAPTER *ioc, u8 cb_idx, struct scsi_cmnd *scmd); u16 mpt2sas_base_get_smid(struct MPT2SAS_ADAPTER *ioc, u8 cb_idx); void mpt2sas_base_free_smid(struct MPT2SAS_ADAPTER *ioc, u16 smid); void mpt2sas_base_put_smid_scsi_io(struct MPT2SAS_ADAPTER *ioc, u16 smid, u16 handle); void mpt2sas_base_put_smid_hi_priority(struct MPT2SAS_ADAPTER *ioc, u16 smid); void mpt2sas_base_put_smid_target_assist(struct MPT2SAS_ADAPTER *ioc, u16 smid, u16 io_index); void mpt2sas_base_put_smid_default(struct MPT2SAS_ADAPTER *ioc, u16 smid); void mpt2sas_base_initialize_callback_handler(void); u8 mpt2sas_base_register_callback_handler(MPT_CALLBACK cb_func); void mpt2sas_base_release_callback_handler(u8 cb_idx); u8 mpt2sas_base_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index, u32 reply); u8 mpt2sas_port_enable_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index, u32 reply); void *mpt2sas_base_get_reply_virt_addr(struct MPT2SAS_ADAPTER *ioc, u32 phys_addr); u32 mpt2sas_base_get_iocstate(struct MPT2SAS_ADAPTER *ioc, int cooked); void mpt2sas_base_fault_info(struct MPT2SAS_ADAPTER *ioc , u16 fault_code); int mpt2sas_base_sas_iounit_control(struct MPT2SAS_ADAPTER *ioc, Mpi2SasIoUnitControlReply_t *mpi_reply, Mpi2SasIoUnitControlRequest_t *mpi_request); int mpt2sas_base_scsi_enclosure_processor(struct MPT2SAS_ADAPTER *ioc, Mpi2SepReply_t *mpi_reply, Mpi2SepRequest_t *mpi_request); void mpt2sas_base_validate_event_type(struct MPT2SAS_ADAPTER *ioc, u32 *event_type); void mpt2sas_halt_firmware(struct MPT2SAS_ADAPTER *ioc); int mpt2sas_port_enable(struct MPT2SAS_ADAPTER *ioc); /* scsih shared API */ u8 mpt2sas_scsih_event_callback(struct MPT2SAS_ADAPTER *ioc, u8 msix_index, u32 reply); int mpt2sas_scsih_issue_tm(struct MPT2SAS_ADAPTER *ioc, u16 handle, uint channel, uint id, uint lun, u8 type, u16 smid_task, ulong timeout, unsigned long serial_number, enum mutex_type m_type); void mpt2sas_scsih_set_tm_flag(struct MPT2SAS_ADAPTER *ioc, u16 handle); void mpt2sas_scsih_clear_tm_flag(struct MPT2SAS_ADAPTER *ioc, u16 handle); void mpt2sas_expander_remove(struct MPT2SAS_ADAPTER *ioc, u64 sas_address); void mpt2sas_device_remove(struct MPT2SAS_ADAPTER *ioc, u64 sas_address); struct _sas_node *mpt2sas_scsih_expander_find_by_handle(struct MPT2SAS_ADAPTER *ioc, u16 handle); struct _sas_node *mpt2sas_scsih_expander_find_by_sas_address(struct MPT2SAS_ADAPTER *ioc, u64 sas_address); struct _sas_device *mpt2sas_scsih_sas_device_find_by_sas_address( struct MPT2SAS_ADAPTER *ioc, u64 sas_address); void mpt2sas_port_enable_complete(struct MPT2SAS_ADAPTER *ioc); void mpt2sas_scsih_reset_handler(struct MPT2SAS_ADAPTER *ioc, int reset_phase); /* config shared API */ u8 mpt2sas_config_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index, u32 reply); int mpt2sas_config_get_number_hba_phys(struct MPT2SAS_ADAPTER *ioc, u8 *num_phys); int mpt2sas_config_get_manufacturing_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t *mpi_reply, Mpi2ManufacturingPage0_t *config_page); int mpt2sas_config_get_manufacturing_pg10(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t *mpi_reply, Mpi2ManufacturingPage10_t *config_page); int mpt2sas_config_get_bios_pg2(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t *mpi_reply, Mpi2BiosPage2_t *config_page); int mpt2sas_config_get_bios_pg3(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t *mpi_reply, Mpi2BiosPage3_t *config_page); int mpt2sas_config_get_iounit_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t *mpi_reply, Mpi2IOUnitPage0_t *config_page); int mpt2sas_config_get_sas_device_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t *mpi_reply, Mpi2SasDevicePage0_t *config_page, u32 form, u32 handle); int mpt2sas_config_get_sas_device_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t *mpi_reply, Mpi2SasDevicePage1_t *config_page, u32 form, u32 handle); int mpt2sas_config_get_sas_iounit_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t *mpi_reply, Mpi2SasIOUnitPage0_t *config_page, u16 sz); int mpt2sas_config_get_iounit_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t *mpi_reply, Mpi2IOUnitPage1_t *config_page); int mpt2sas_config_set_iounit_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t *mpi_reply, Mpi2IOUnitPage1_t *config_page); int mpt2sas_config_get_sas_iounit_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t *mpi_reply, Mpi2SasIOUnitPage1_t *config_page, u16 sz); int mpt2sas_config_set_sas_iounit_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t *mpi_reply, Mpi2SasIOUnitPage1_t *config_page, u16 sz); int mpt2sas_config_get_ioc_pg8(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t *mpi_reply, Mpi2IOCPage8_t *config_page); int mpt2sas_config_get_expander_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t *mpi_reply, Mpi2ExpanderPage0_t *config_page, u32 form, u32 handle); int mpt2sas_config_get_expander_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t *mpi_reply, Mpi2ExpanderPage1_t *config_page, u32 phy_number, u16 handle); int mpt2sas_config_get_enclosure_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t *mpi_reply, Mpi2SasEnclosurePage0_t *config_page, u32 form, u32 handle); int mpt2sas_config_get_phy_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t *mpi_reply, Mpi2SasPhyPage0_t *config_page, u32 phy_number); int mpt2sas_config_get_phy_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t *mpi_reply, Mpi2SasPhyPage1_t *config_page, u32 phy_number); int mpt2sas_config_get_raid_volume_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t *mpi_reply, Mpi2RaidVolPage1_t *config_page, u32 form, u32 handle); int mpt2sas_config_get_number_pds(struct MPT2SAS_ADAPTER *ioc, u16 handle, u8 *num_pds); int mpt2sas_config_get_raid_volume_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t *mpi_reply, Mpi2RaidVolPage0_t *config_page, u32 form, u32 handle, u16 sz); int mpt2sas_config_get_phys_disk_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t *mpi_reply, Mpi2RaidPhysDiskPage0_t *config_page, u32 form, u32 form_specific); int mpt2sas_config_get_volume_handle(struct MPT2SAS_ADAPTER *ioc, u16 pd_handle, u16 *volume_handle); int mpt2sas_config_get_volume_wwid(struct MPT2SAS_ADAPTER *ioc, u16 volume_handle, u64 *wwid); /* ctl shared API */ extern struct device_attribute *mpt2sas_host_attrs[]; extern struct device_attribute *mpt2sas_dev_attrs[]; void mpt2sas_ctl_init(void); void mpt2sas_ctl_exit(void); u8 mpt2sas_ctl_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index, u32 reply); void mpt2sas_ctl_reset_handler(struct MPT2SAS_ADAPTER *ioc, int reset_phase); u8 mpt2sas_ctl_event_callback(struct MPT2SAS_ADAPTER *ioc, u8 msix_index, u32 reply); void mpt2sas_ctl_add_to_event_log(struct MPT2SAS_ADAPTER *ioc, Mpi2EventNotificationReply_t *mpi_reply); void mpt2sas_enable_diag_buffer(struct MPT2SAS_ADAPTER *ioc, u8 bits_to_regsiter); /* transport shared API */ u8 mpt2sas_transport_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index, u32 reply); struct _sas_port *mpt2sas_transport_port_add(struct MPT2SAS_ADAPTER *ioc, u16 handle, u64 sas_address); void mpt2sas_transport_port_remove(struct MPT2SAS_ADAPTER *ioc, u64 sas_address, u64 sas_address_parent); int mpt2sas_transport_add_host_phy(struct MPT2SAS_ADAPTER *ioc, struct _sas_phy *mpt2sas_phy, Mpi2SasPhyPage0_t phy_pg0, struct device *parent_dev); int mpt2sas_transport_add_expander_phy(struct MPT2SAS_ADAPTER *ioc, struct _sas_phy *mpt2sas_phy, Mpi2ExpanderPage1_t expander_pg1, struct device *parent_dev); void mpt2sas_transport_update_links(struct MPT2SAS_ADAPTER *ioc, u64 sas_address, u16 handle, u8 phy_number, u8 link_rate); extern struct sas_function_template mpt2sas_transport_functions; extern struct scsi_transport_template *mpt2sas_transport_template; extern int scsi_internal_device_block(struct scsi_device *sdev); extern u8 mpt2sas_stm_zero_smid_handler(struct MPT2SAS_ADAPTER *ioc, u8 msix_index, u32 reply); extern int scsi_internal_device_unblock(struct scsi_device *sdev); #endif /* MPT2SAS_BASE_H_INCLUDED */