diff options
Diffstat (limited to 'drivers/scsi/smartpqi/smartpqi.h')
-rw-r--r-- | drivers/scsi/smartpqi/smartpqi.h | 194 |
1 files changed, 120 insertions, 74 deletions
diff --git a/drivers/scsi/smartpqi/smartpqi.h b/drivers/scsi/smartpqi/smartpqi.h index b673825f46b5..07ec8a8877de 100644 --- a/drivers/scsi/smartpqi/smartpqi.h +++ b/drivers/scsi/smartpqi/smartpqi.h @@ -1,6 +1,6 @@ /* * driver for Microsemi PQI-based storage controllers - * Copyright (c) 2016 Microsemi Corporation + * Copyright (c) 2016-2017 Microsemi Corporation * Copyright (c) 2016 PMC-Sierra, Inc. * * This program is free software; you can redistribute it and/or modify @@ -16,6 +16,8 @@ * */ +#include <linux/io-64-nonatomic-lo-hi.h> + #if !defined(_SMARTPQI_H) #define _SMARTPQI_H @@ -61,7 +63,7 @@ struct pqi_device_registers { /* * controller registers * - * These are defined by the PMC implementation. + * These are defined by the Microsemi implementation. * * Some registers (those named sis_*) are only used when in * legacy SIS mode before we transition the controller into @@ -102,6 +104,12 @@ enum pqi_io_path { AIO_PATH = 1 }; +enum pqi_irq_mode { + IRQ_MODE_NONE, + IRQ_MODE_INTX, + IRQ_MODE_MSIX +}; + struct pqi_sg_descriptor { __le64 address; __le32 length; @@ -484,7 +492,6 @@ struct pqi_raid_error_info { #define PQI_EVENT_TYPE_LOGICAL_DEVICE 0x5 #define PQI_EVENT_TYPE_AIO_STATE_CHANGE 0xfd #define PQI_EVENT_TYPE_AIO_CONFIG_CHANGE 0xfe -#define PQI_EVENT_TYPE_HEARTBEAT 0xff #pragma pack() @@ -629,17 +636,70 @@ struct pqi_encryption_info { u32 encrypt_tweak_upper; }; -#define PQI_MAX_OUTSTANDING_REQUESTS ((u32)~0) -#define PQI_MAX_TRANSFER_SIZE (4 * 1024U * 1024U) +#pragma pack(1) + +#define PQI_CONFIG_TABLE_SIGNATURE "CFGTABLE" +#define PQI_CONFIG_TABLE_MAX_LENGTH ((u16)~0) + +/* configuration table section IDs */ +#define PQI_CONFIG_TABLE_SECTION_GENERAL_INFO 0 +#define PQI_CONFIG_TABLE_SECTION_FIRMWARE_FEATURES 1 +#define PQI_CONFIG_TABLE_SECTION_FIRMWARE_ERRATA 2 +#define PQI_CONFIG_TABLE_SECTION_DEBUG 3 +#define PQI_CONFIG_TABLE_SECTION_HEARTBEAT 4 + +struct pqi_config_table { + u8 signature[8]; /* "CFGTABLE" */ + __le32 first_section_offset; /* offset in bytes from the base */ + /* address of this table to the */ + /* first section */ +}; + +struct pqi_config_table_section_header { + __le16 section_id; /* as defined by the */ + /* PQI_CONFIG_TABLE_SECTION_* */ + /* manifest constants above */ + __le16 next_section_offset; /* offset in bytes from base */ + /* address of the table of the */ + /* next section or 0 if last entry */ +}; + +struct pqi_config_table_general_info { + struct pqi_config_table_section_header header; + __le32 section_length; /* size of this section in bytes */ + /* including the section header */ + __le32 max_outstanding_requests; /* max. outstanding */ + /* commands supported by */ + /* the controller */ + __le32 max_sg_size; /* max. transfer size of a single */ + /* command */ + __le32 max_sg_per_request; /* max. number of scatter-gather */ + /* entries supported in a single */ + /* command */ +}; + +struct pqi_config_table_debug { + struct pqi_config_table_section_header header; + __le32 scratchpad; +}; + +struct pqi_config_table_heartbeat { + struct pqi_config_table_section_header header; + __le32 heartbeat_counter; +}; + +#define PQI_MAX_OUTSTANDING_REQUESTS ((u32)~0) +#define PQI_MAX_OUTSTANDING_REQUESTS_KDUMP 32 +#define PQI_MAX_TRANSFER_SIZE (4 * 1024U * 1024U) +#define PQI_MAX_TRANSFER_SIZE_KDUMP (512 * 1024U) #define RAID_MAP_MAX_ENTRIES 1024 #define PQI_PHYSICAL_DEVICE_BUS 0 #define PQI_RAID_VOLUME_BUS 1 #define PQI_HBA_BUS 2 -#define PQI_MAX_BUS PQI_HBA_BUS - -#pragma pack(1) +#define PQI_EXTERNAL_RAID_VOLUME_BUS 3 +#define PQI_MAX_BUS PQI_EXTERNAL_RAID_VOLUME_BUS struct report_lun_header { __be32 list_length; @@ -668,7 +728,6 @@ struct report_phys_lun_extended_entry { }; /* for device_flags field of struct report_phys_lun_extended_entry */ -#define REPORT_PHYS_LUN_DEV_FLAG_NON_DISK 0x1 #define REPORT_PHYS_LUN_DEV_FLAG_AIO_ENABLED 0x8 struct report_phys_lun_extended { @@ -726,14 +785,15 @@ struct pqi_scsi_dev { __be64 wwid; u8 volume_id[16]; u8 is_physical_device : 1; + u8 is_external_raid_device : 1; u8 target_lun_valid : 1; - u8 expose_device : 1; - u8 no_uld_attach : 1; - u8 aio_enabled : 1; /* only valid for physical disks */ u8 device_gone : 1; u8 new_device : 1; u8 keep_device : 1; u8 volume_offline : 1; + bool aio_enabled; /* only valid for physical disks */ + bool in_reset; + bool device_offline; u8 vendor[8]; /* bytes 8-15 of inquiry data */ u8 model[16]; /* bytes 16-31 of inquiry data */ u64 sas_address; @@ -747,12 +807,11 @@ struct pqi_scsi_dev { u8 bay; u8 box[8]; u16 phys_connector[8]; - int offload_configured; /* I/O accel RAID offload configured */ - int offload_enabled; /* I/O accel RAID offload enabled */ - int offload_enabled_pending; - int offload_to_mirror; /* Send next I/O accelerator RAID */ - /* offload request to mirror drive. */ - struct raid_map *raid_map; /* I/O accelerator RAID map */ + bool raid_bypass_configured; /* RAID bypass configured */ + bool raid_bypass_enabled; /* RAID bypass enabled */ + int offload_to_mirror; /* Send next RAID bypass request */ + /* to mirror drive. */ + struct raid_map *raid_map; /* RAID bypass map */ struct pqi_sas_port *sas_port; struct scsi_device *sdev; @@ -761,13 +820,15 @@ struct pqi_scsi_dev { struct list_head new_device_list_entry; struct list_head add_list_entry; struct list_head delete_list_entry; + + atomic_t scsi_cmds_outstanding; }; /* VPD inquiry pages */ #define SCSI_VPD_SUPPORTED_PAGES 0x0 /* standard page */ #define SCSI_VPD_DEVICE_ID 0x83 /* standard page */ #define CISS_VPD_LV_DEVICE_GEOMETRY 0xc1 /* vendor-specific page */ -#define CISS_VPD_LV_OFFLOAD_STATUS 0xc2 /* vendor-specific page */ +#define CISS_VPD_LV_BYPASS_STATUS 0xc2 /* vendor-specific page */ #define CISS_VPD_LV_STATUS 0xc3 /* vendor-specific page */ #define VPD_PAGE (1 << 8) @@ -851,7 +912,9 @@ struct pqi_io_request { void (*io_complete_callback)(struct pqi_io_request *io_request, void *context); void *context; + u8 raid_bypass : 1; int status; + struct pqi_queue_group *queue_group; struct scsi_cmnd *scmd; void *error_info; struct pqi_sg_descriptor *sg_chain_buffer; @@ -860,15 +923,7 @@ struct pqi_io_request { struct list_head request_list_entry; }; -/* for indexing into the pending_events[] field of struct pqi_ctrl_info */ -#define PQI_EVENT_HEARTBEAT 0 -#define PQI_EVENT_HOTPLUG 1 -#define PQI_EVENT_HARDWARE 2 -#define PQI_EVENT_PHYSICAL_DEVICE 3 -#define PQI_EVENT_LOGICAL_DEVICE 4 -#define PQI_EVENT_AIO_STATE_CHANGE 5 -#define PQI_EVENT_AIO_CONFIG_CHANGE 6 -#define PQI_NUM_SUPPORTED_EVENTS 7 +#define PQI_NUM_SUPPORTED_EVENTS 6 struct pqi_event { bool pending; @@ -911,7 +966,7 @@ struct pqi_ctrl_info { dma_addr_t error_buffer_dma_handle; size_t sg_chain_buffer_length; unsigned int num_queue_groups; - unsigned int num_active_queue_groups; + u16 max_hw_queue_index; u16 num_elements_per_iq; u16 num_elements_per_oq; u16 max_inbound_iu_length_per_firmware; @@ -926,6 +981,7 @@ struct pqi_ctrl_info { struct pqi_admin_queues admin_queues; struct pqi_queue_group queue_groups[PQI_MAX_QUEUE_GROUPS]; struct pqi_event_queue event_queue; + enum pqi_irq_mode irq_mode; int max_msix_vectors; int num_msix_vectors_enabled; int num_msix_vectors_initialized; @@ -933,11 +989,12 @@ struct pqi_ctrl_info { struct Scsi_Host *scsi_host; struct mutex scan_mutex; + struct mutex lun_reset_mutex; + bool controller_online; + bool block_requests; u8 inbound_spanning_supported : 1; u8 outbound_spanning_supported : 1; u8 pqi_mode_enabled : 1; - u8 controller_online : 1; - u8 heartbeat_timer_started : 1; struct list_head scsi_device_list; spinlock_t scsi_device_list_lock; @@ -951,20 +1008,28 @@ struct pqi_ctrl_info { struct pqi_io_request *io_request_pool; u16 next_io_request_slot; - struct pqi_event pending_events[PQI_NUM_SUPPORTED_EVENTS]; + struct pqi_event events[PQI_NUM_SUPPORTED_EVENTS]; struct work_struct event_work; atomic_t num_interrupts; int previous_num_interrupts; - unsigned int num_heartbeats_requested; + u32 previous_heartbeat_count; + __le32 __iomem *heartbeat_counter; struct timer_list heartbeat_timer; + struct work_struct ctrl_offline_work; struct semaphore sync_request_sem; - struct semaphore lun_reset_sem; + atomic_t num_busy_threads; + atomic_t num_blocked_threads; + wait_queue_head_t block_requests_wait; + + struct list_head raid_bypass_retry_list; + spinlock_t raid_bypass_retry_list_lock; + struct work_struct raid_bypass_retry_work; }; enum pqi_ctrl_mode { - UNKNOWN, + SIS_MODE = 0, PQI_MODE }; @@ -973,9 +1038,6 @@ enum pqi_ctrl_mode { */ #define PQI_PHYSICAL_DISK_DEFAULT_MAX_QUEUE_DEPTH 27 -/* 0 = no limit */ -#define PQI_LOGICAL_DRIVE_DEFAULT_MAX_QUEUE_DEPTH 0 - /* CISS commands */ #define CISS_READ 0xc0 #define CISS_REPORT_LOG 0xc2 /* Report Logical LUNs */ @@ -996,13 +1058,13 @@ enum pqi_ctrl_mode { #define BMIC_WRITE_HOST_WELLNESS 0xa5 #define BMIC_CACHE_FLUSH 0xc2 -#define SA_CACHE_FLUSH 0x01 +#define SA_CACHE_FLUSH 0x1 #define MASKED_DEVICE(lunid) ((lunid)[3] & 0xc0) -#define CISS_GET_BUS(lunid) ((lunid)[7] & 0x3f) +#define CISS_GET_LEVEL_2_BUS(lunid) ((lunid)[7] & 0x3f) #define CISS_GET_LEVEL_2_TARGET(lunid) ((lunid)[6]) #define CISS_GET_DRIVE_NUMBER(lunid) \ - (((CISS_GET_BUS((lunid)) - 1) << 8) + \ + (((CISS_GET_LEVEL_2_BUS((lunid)) - 1) << 8) + \ CISS_GET_LEVEL_2_TARGET((lunid))) #define NO_TIMEOUT ((unsigned long) -1) @@ -1069,9 +1131,9 @@ struct bmic_identify_physical_device { u8 multi_lun_device_lun_count; u8 minimum_good_fw_revision[8]; u8 unique_inquiry_bytes[20]; - u8 current_temperature_degreesC; - u8 temperature_threshold_degreesC; - u8 max_temperature_degreesC; + u8 current_temperature_degrees; + u8 temperature_threshold_degrees; + u8 max_temperature_degrees; u8 logical_blocks_per_phys_block_exp; __le16 current_queue_depth_limit; u8 switch_name[10]; @@ -1084,10 +1146,22 @@ struct bmic_identify_physical_device { u8 smart_carrier_authentication; u8 smart_carrier_app_fw_version; u8 smart_carrier_bootloader_fw_version; + u8 sanitize_flags; + u8 encryption_key_flags; u8 encryption_key_name[64]; __le32 misc_drive_flags; __le16 dek_index; - u8 padding[112]; + __le16 hba_drive_encryption_flags; + __le16 max_overwrite_time; + __le16 max_block_erase_time; + __le16 max_crypto_erase_time; + u8 connector_info[5]; + u8 connector_name[8][8]; + u8 page_83_identifier[16]; + u8 maximum_link_rate[256]; + u8 negotiated_physical_link_rate[256]; + u8 box_connector_name[8]; + u8 padding_to_multiple_of_512[9]; }; #pragma pack() @@ -1099,36 +1173,8 @@ int pqi_add_sas_device(struct pqi_sas_node *pqi_sas_node, void pqi_remove_sas_device(struct pqi_scsi_dev *device); struct pqi_scsi_dev *pqi_find_device_by_sas_rphy( struct pqi_ctrl_info *ctrl_info, struct sas_rphy *rphy); +void pqi_prep_for_scsi_done(struct scsi_cmnd *scmd); extern struct sas_function_template pqi_sas_transport_functions; -#if !defined(readq) -#define readq readq -static inline u64 readq(const volatile void __iomem *addr) -{ - u32 lower32; - u32 upper32; - - lower32 = readl(addr); - upper32 = readl(addr + 4); - - return ((u64)upper32 << 32) | lower32; -} -#endif - -#if !defined(writeq) -#define writeq writeq -static inline void writeq(u64 value, volatile void __iomem *addr) -{ - u32 lower32; - u32 upper32; - - lower32 = lower_32_bits(value); - upper32 = upper_32_bits(value); - - writel(lower32, addr); - writel(upper32, addr + 4); -} -#endif - #endif /* _SMARTPQI_H */ |