| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Kevin Barnett | 3989 | 99.90% | 22 | 91.67% |
| Corentin Labbe | 3 | 0.08% | 1 | 4.17% |
| Yadan Fan | 1 | 0.03% | 1 | 4.17% |
| Total | 3993 | 24 |
/* * driver for Microsemi PQI-based storage controllers * Copyright (c) 2016-2017 Microsemi Corporation * Copyright (c) 2016 PMC-Sierra, Inc. * * 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; version 2 of the License. * * 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, GOOD TITLE or * NON INFRINGEMENT. See the GNU General Public License for more details. * * Questions/Comments/Bugfixes to esc.storagedev@microsemi.com * */ #include <linux/io-64-nonatomic-lo-hi.h> #if !defined(_SMARTPQI_H) #define _SMARTPQI_H #pragma pack(1) #define PQI_DEVICE_SIGNATURE "PQI DREG" /* This structure is defined by the PQI specification. */ struct pqi_device_registers { __le64 signature; u8 function_and_status_code; u8 reserved[7]; u8 max_admin_iq_elements; u8 max_admin_oq_elements; u8 admin_iq_element_length; /* in 16-byte units */ u8 admin_oq_element_length; /* in 16-byte units */ __le16 max_reset_timeout; /* in 100-millisecond units */ u8 reserved1[2]; __le32 legacy_intx_status; __le32 legacy_intx_mask_set; __le32 legacy_intx_mask_clear; u8 reserved2[28]; __le32 device_status; u8 reserved3[4]; __le64 admin_iq_pi_offset; __le64 admin_oq_ci_offset; __le64 admin_iq_element_array_addr; __le64 admin_oq_element_array_addr; __le64 admin_iq_ci_addr; __le64 admin_oq_pi_addr; u8 admin_iq_num_elements; u8 admin_oq_num_elements; __le16 admin_queue_int_msg_num; u8 reserved4[4]; __le32 device_error; u8 reserved5[4]; __le64 error_details; __le32 device_reset; __le32 power_action; u8 reserved6[104]; }; /* * controller registers * * 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 * PQI mode. There are a number of other SIS mode registers, * but we don't use them, so only the SIS registers that we * care about are defined here. The offsets mentioned in the * comments are the offsets from the PCIe BAR 0. */ struct pqi_ctrl_registers { u8 reserved[0x20]; __le32 sis_host_to_ctrl_doorbell; /* 20h */ u8 reserved1[0x34 - (0x20 + sizeof(__le32))]; __le32 sis_interrupt_mask; /* 34h */ u8 reserved2[0x9c - (0x34 + sizeof(__le32))]; __le32 sis_ctrl_to_host_doorbell; /* 9Ch */ u8 reserved3[0xa0 - (0x9c + sizeof(__le32))]; __le32 sis_ctrl_to_host_doorbell_clear; /* A0h */ u8 reserved4[0xb0 - (0xa0 + sizeof(__le32))]; __le32 sis_driver_scratch; /* B0h */ u8 reserved5[0xbc - (0xb0 + sizeof(__le32))]; __le32 sis_firmware_status; /* BCh */ u8 reserved6[0x1000 - (0xbc + sizeof(__le32))]; __le32 sis_mailbox[8]; /* 1000h */ u8 reserved7[0x4000 - (0x1000 + (sizeof(__le32) * 8))]; /* * The PQI spec states that the PQI registers should be at * offset 0 from the PCIe BAR 0. However, we can't map * them at offset 0 because that would break compatibility * with the SIS registers. So we map them at offset 4000h. */ struct pqi_device_registers pqi_registers; /* 4000h */ }; #define PQI_DEVICE_REGISTERS_OFFSET 0x4000 enum pqi_io_path { RAID_PATH = 0, AIO_PATH = 1 }; enum pqi_irq_mode { IRQ_MODE_NONE, IRQ_MODE_INTX, IRQ_MODE_MSIX }; struct pqi_sg_descriptor { __le64 address; __le32 length; __le32 flags; }; /* manifest constants for the flags field of pqi_sg_descriptor */ #define CISS_SG_LAST 0x40000000 #define CISS_SG_CHAIN 0x80000000 struct pqi_iu_header { u8 iu_type; u8 reserved; __le16 iu_length; /* in bytes - does not include the length */ /* of this header */ __le16 response_queue_id; /* specifies the OQ where the */ /* response IU is to be delivered */ u8 work_area[2]; /* reserved for driver use */ }; /* * According to the PQI spec, the IU header is only the first 4 bytes of our * pqi_iu_header structure. */ #define PQI_REQUEST_HEADER_LENGTH 4 struct pqi_general_admin_request { struct pqi_iu_header header; __le16 request_id; u8 function_code; union { struct { u8 reserved[33]; __le32 buffer_length; struct pqi_sg_descriptor sg_descriptor; } report_device_capability; struct { u8 reserved; __le16 queue_id; u8 reserved1[2]; __le64 element_array_addr; __le64 ci_addr; __le16 num_elements; __le16 element_length; u8 queue_protocol; u8 reserved2[23]; __le32 vendor_specific; } create_operational_iq; struct { u8 reserved; __le16 queue_id; u8 reserved1[2]; __le64 element_array_addr; __le64 pi_addr; __le16 num_elements; __le16 element_length; u8 queue_protocol; u8 reserved2[3]; __le16 int_msg_num; __le16 coalescing_count; __le32 min_coalescing_time; __le32 max_coalescing_time; u8 reserved3[8]; __le32 vendor_specific; } create_operational_oq; struct { u8 reserved; __le16 queue_id; u8 reserved1[50]; } delete_operational_queue; struct { u8 reserved; __le16 queue_id; u8 reserved1[46]; __le32 vendor_specific; } change_operational_iq_properties; } data; }; struct pqi_general_admin_response { struct pqi_iu_header header; __le16 request_id; u8 function_code; u8 status; union { struct { u8 status_descriptor[4]; __le64 iq_pi_offset; u8 reserved[40]; } create_operational_iq; struct { u8 status_descriptor[4]; __le64 oq_ci_offset; u8 reserved[40]; } create_operational_oq; } data; }; struct pqi_iu_layer_descriptor { u8 inbound_spanning_supported : 1; u8 reserved : 7; u8 reserved1[5]; __le16 max_inbound_iu_length; u8 outbound_spanning_supported : 1; u8 reserved2 : 7; u8 reserved3[5]; __le16 max_outbound_iu_length; }; struct pqi_device_capability { __le16 data_length; u8 reserved[6]; u8 iq_arbitration_priority_support_bitmask; u8 maximum_aw_a; u8 maximum_aw_b; u8 maximum_aw_c; u8 max_arbitration_burst : 3; u8 reserved1 : 4; u8 iqa : 1; u8 reserved2[2]; u8 iq_freeze : 1; u8 reserved3 : 7; __le16 max_inbound_queues; __le16 max_elements_per_iq; u8 reserved4[4]; __le16 max_iq_element_length; __le16 min_iq_element_length; u8 reserved5[2]; __le16 max_outbound_queues; __le16 max_elements_per_oq; __le16 intr_coalescing_time_granularity; __le16 max_oq_element_length; __le16 min_oq_element_length; u8 reserved6[24]; struct pqi_iu_layer_descriptor iu_layer_descriptors[32]; }; #define PQI_MAX_EMBEDDED_SG_DESCRIPTORS 4 struct pqi_raid_path_request { struct pqi_iu_header header; __le16 request_id; __le16 nexus_id; __le32 buffer_length; u8 lun_number[8]; __le16 protocol_specific; u8 data_direction : 2; u8 partial : 1; u8 reserved1 : 4; u8 fence : 1; __le16 error_index; u8 reserved2; u8 task_attribute : 3; u8 command_priority : 4; u8 reserved3 : 1; u8 reserved4 : 2; u8 additional_cdb_bytes_usage : 3; u8 reserved5 : 3; u8 cdb[32]; struct pqi_sg_descriptor sg_descriptors[PQI_MAX_EMBEDDED_SG_DESCRIPTORS]; }; struct pqi_aio_path_request { struct pqi_iu_header header; __le16 request_id; u8 reserved1[2]; __le32 nexus_id; __le32 buffer_length; u8 data_direction : 2; u8 partial : 1; u8 memory_type : 1; u8 fence : 1; u8 encryption_enable : 1; u8 reserved2 : 2; u8 task_attribute : 3; u8 command_priority : 4; u8 reserved3 : 1; __le16 data_encryption_key_index; __le32 encrypt_tweak_lower; __le32 encrypt_tweak_upper; u8 cdb[16]; __le16 error_index; u8 num_sg_descriptors; u8 cdb_length; u8 lun_number[8]; u8 reserved4[4]; struct pqi_sg_descriptor sg_descriptors[PQI_MAX_EMBEDDED_SG_DESCRIPTORS]; }; struct pqi_io_response { struct pqi_iu_header header; __le16 request_id; __le16 error_index; u8 reserved2[4]; }; struct pqi_general_management_request { struct pqi_iu_header header; __le16 request_id; union { struct { u8 reserved[2]; __le32 buffer_length; struct pqi_sg_descriptor sg_descriptors[3]; } report_event_configuration; struct { __le16 global_event_oq_id; __le32 buffer_length; struct pqi_sg_descriptor sg_descriptors[3]; } set_event_configuration; } data; }; struct pqi_event_descriptor { u8 event_type; u8 reserved; __le16 oq_id; }; struct pqi_event_config { u8 reserved[2]; u8 num_event_descriptors; u8 reserved1; struct pqi_event_descriptor descriptors[1]; }; #define PQI_MAX_EVENT_DESCRIPTORS 255 struct pqi_event_response { struct pqi_iu_header header; u8 event_type; u8 reserved2 : 7; u8 request_acknowlege : 1; __le16 event_id; __le32 additional_event_id; u8 data[16]; }; struct pqi_event_acknowledge_request { struct pqi_iu_header header; u8 event_type; u8 reserved2; __le16 event_id; __le32 additional_event_id; }; struct pqi_task_management_request { struct pqi_iu_header header; __le16 request_id; __le16 nexus_id; u8 reserved[4]; u8 lun_number[8]; __le16 protocol_specific; __le16 outbound_queue_id_to_manage; __le16 request_id_to_manage; u8 task_management_function; u8 reserved2 : 7; u8 fence : 1; }; #define SOP_TASK_MANAGEMENT_LUN_RESET 0x8 struct pqi_task_management_response { struct pqi_iu_header header; __le16 request_id; __le16 nexus_id; u8 additional_response_info[3]; u8 response_code; }; struct pqi_aio_error_info { u8 status; u8 service_response; u8 data_present; u8 reserved; __le32 residual_count; __le16 data_length; __le16 reserved1; u8 data[256]; }; struct pqi_raid_error_info { u8 data_in_result; u8 data_out_result; u8 reserved[3]; u8 status; __le16 status_qualifier; __le16 sense_data_length; __le16 response_data_length; __le32 data_in_transferred; __le32 data_out_transferred; u8 data[256]; }; #define PQI_REQUEST_IU_TASK_MANAGEMENT 0x13 #define PQI_REQUEST_IU_RAID_PATH_IO 0x14 #define PQI_REQUEST_IU_AIO_PATH_IO 0x15 #define PQI_REQUEST_IU_GENERAL_ADMIN 0x60 #define PQI_REQUEST_IU_REPORT_VENDOR_EVENT_CONFIG 0x72 #define PQI_REQUEST_IU_SET_VENDOR_EVENT_CONFIG 0x73 #define PQI_REQUEST_IU_ACKNOWLEDGE_VENDOR_EVENT 0xf6 #define PQI_RESPONSE_IU_GENERAL_MANAGEMENT 0x81 #define PQI_RESPONSE_IU_TASK_MANAGEMENT 0x93 #define PQI_RESPONSE_IU_GENERAL_ADMIN 0xe0 #define PQI_RESPONSE_IU_RAID_PATH_IO_SUCCESS 0xf0 #define PQI_RESPONSE_IU_AIO_PATH_IO_SUCCESS 0xf1 #define PQI_RESPONSE_IU_RAID_PATH_IO_ERROR 0xf2 #define PQI_RESPONSE_IU_AIO_PATH_IO_ERROR 0xf3 #define PQI_RESPONSE_IU_AIO_PATH_DISABLED 0xf4 #define PQI_RESPONSE_IU_VENDOR_EVENT 0xf5 #define PQI_GENERAL_ADMIN_FUNCTION_REPORT_DEVICE_CAPABILITY 0x0 #define PQI_GENERAL_ADMIN_FUNCTION_CREATE_IQ 0x10 #define PQI_GENERAL_ADMIN_FUNCTION_CREATE_OQ 0x11 #define PQI_GENERAL_ADMIN_FUNCTION_DELETE_IQ 0x12 #define PQI_GENERAL_ADMIN_FUNCTION_DELETE_OQ 0x13 #define PQI_GENERAL_ADMIN_FUNCTION_CHANGE_IQ_PROPERTY 0x14 #define PQI_GENERAL_ADMIN_STATUS_SUCCESS 0x0 #define PQI_IQ_PROPERTY_IS_AIO_QUEUE 0x1 #define PQI_GENERAL_ADMIN_IU_LENGTH 0x3c #define PQI_PROTOCOL_SOP 0x0 #define PQI_DATA_IN_OUT_GOOD 0x0 #define PQI_DATA_IN_OUT_UNDERFLOW 0x1 #define PQI_DATA_IN_OUT_BUFFER_ERROR 0x40 #define PQI_DATA_IN_OUT_BUFFER_OVERFLOW 0x41 #define PQI_DATA_IN_OUT_BUFFER_OVERFLOW_DESCRIPTOR_AREA 0x42 #define PQI_DATA_IN_OUT_BUFFER_OVERFLOW_BRIDGE 0x43 #define PQI_DATA_IN_OUT_PCIE_FABRIC_ERROR 0x60 #define PQI_DATA_IN_OUT_PCIE_COMPLETION_TIMEOUT 0x61 #define PQI_DATA_IN_OUT_PCIE_COMPLETER_ABORT_RECEIVED 0x62 #define PQI_DATA_IN_OUT_PCIE_UNSUPPORTED_REQUEST_RECEIVED 0x63 #define PQI_DATA_IN_OUT_PCIE_ECRC_CHECK_FAILED 0x64 #define PQI_DATA_IN_OUT_PCIE_UNSUPPORTED_REQUEST 0x65 #define PQI_DATA_IN_OUT_PCIE_ACS_VIOLATION 0x66 #define PQI_DATA_IN_OUT_PCIE_TLP_PREFIX_BLOCKED 0x67 #define PQI_DATA_IN_OUT_PCIE_POISONED_MEMORY_READ 0x6F #define PQI_DATA_IN_OUT_ERROR 0xf0 #define PQI_DATA_IN_OUT_PROTOCOL_ERROR 0xf1 #define PQI_DATA_IN_OUT_HARDWARE_ERROR 0xf2 #define PQI_DATA_IN_OUT_UNSOLICITED_ABORT 0xf3 #define PQI_DATA_IN_OUT_ABORTED 0xf4 #define PQI_DATA_IN_OUT_TIMEOUT 0xf5 #define CISS_CMD_STATUS_SUCCESS 0x0 #define CISS_CMD_STATUS_TARGET_STATUS 0x1 #define CISS_CMD_STATUS_DATA_UNDERRUN 0x2 #define CISS_CMD_STATUS_DATA_OVERRUN 0x3 #define CISS_CMD_STATUS_INVALID 0x4 #define CISS_CMD_STATUS_PROTOCOL_ERROR 0x5 #define CISS_CMD_STATUS_HARDWARE_ERROR 0x6 #define CISS_CMD_STATUS_CONNECTION_LOST 0x7 #define CISS_CMD_STATUS_ABORTED 0x8 #define CISS_CMD_STATUS_ABORT_FAILED 0x9 #define CISS_CMD_STATUS_UNSOLICITED_ABORT 0xa #define CISS_CMD_STATUS_TIMEOUT 0xb #define CISS_CMD_STATUS_UNABORTABLE 0xc #define CISS_CMD_STATUS_TMF 0xd #define CISS_CMD_STATUS_AIO_DISABLED 0xe #define PQI_CMD_STATUS_ABORTED CISS_CMD_STATUS_ABORTED #define PQI_NUM_EVENT_QUEUE_ELEMENTS 32 #define PQI_EVENT_OQ_ELEMENT_LENGTH sizeof(struct pqi_event_response) #define PQI_EVENT_TYPE_HOTPLUG 0x1 #define PQI_EVENT_TYPE_HARDWARE 0x2 #define PQI_EVENT_TYPE_PHYSICAL_DEVICE 0x4 #define PQI_EVENT_TYPE_LOGICAL_DEVICE 0x5 #define PQI_EVENT_TYPE_AIO_STATE_CHANGE 0xfd #define PQI_EVENT_TYPE_AIO_CONFIG_CHANGE 0xfe #pragma pack() #define PQI_ERROR_BUFFER_ELEMENT_LENGTH \ sizeof(struct pqi_raid_error_info) /* these values are based on our implementation */ #define PQI_ADMIN_IQ_NUM_ELEMENTS 8 #define PQI_ADMIN_OQ_NUM_ELEMENTS 20 #define PQI_ADMIN_IQ_ELEMENT_LENGTH 64 #define PQI_ADMIN_OQ_ELEMENT_LENGTH 64 #define PQI_OPERATIONAL_IQ_ELEMENT_LENGTH 128 #define PQI_OPERATIONAL_OQ_ELEMENT_LENGTH 16 #define PQI_MIN_MSIX_VECTORS 1 #define PQI_MAX_MSIX_VECTORS 64 /* these values are defined by the PQI spec */ #define PQI_MAX_NUM_ELEMENTS_ADMIN_QUEUE 255 #define PQI_MAX_NUM_ELEMENTS_OPERATIONAL_QUEUE 65535 #define PQI_QUEUE_ELEMENT_ARRAY_ALIGNMENT 64 #define PQI_QUEUE_ELEMENT_LENGTH_ALIGNMENT 16 #define PQI_ADMIN_INDEX_ALIGNMENT 64 #define PQI_OPERATIONAL_INDEX_ALIGNMENT 4 #define PQI_MIN_OPERATIONAL_QUEUE_ID 1 #define PQI_MAX_OPERATIONAL_QUEUE_ID 65535 #define PQI_AIO_SERV_RESPONSE_COMPLETE 0 #define PQI_AIO_SERV_RESPONSE_FAILURE 1 #define PQI_AIO_SERV_RESPONSE_TMF_COMPLETE 2 #define PQI_AIO_SERV_RESPONSE_TMF_SUCCEEDED 3 #define PQI_AIO_SERV_RESPONSE_TMF_REJECTED 4 #define PQI_AIO_SERV_RESPONSE_TMF_INCORRECT_LUN 5 #define PQI_AIO_STATUS_IO_ERROR 0x1 #define PQI_AIO_STATUS_IO_ABORTED 0x2 #define PQI_AIO_STATUS_NO_PATH_TO_DEVICE 0x3 #define PQI_AIO_STATUS_INVALID_DEVICE 0x4 #define PQI_AIO_STATUS_AIO_PATH_DISABLED 0xe #define PQI_AIO_STATUS_UNDERRUN 0x51 #define PQI_AIO_STATUS_OVERRUN 0x75 typedef u32 pqi_index_t; /* SOP data direction flags */ #define SOP_NO_DIRECTION_FLAG 0 #define SOP_WRITE_FLAG 1 /* host writes data to Data-Out */ /* buffer */ #define SOP_READ_FLAG 2 /* host receives data from Data-In */ /* buffer */ #define SOP_BIDIRECTIONAL 3 /* data is transferred from the */ /* Data-Out buffer and data is */ /* transferred to the Data-In buffer */ #define SOP_TASK_ATTRIBUTE_SIMPLE 0 #define SOP_TASK_ATTRIBUTE_HEAD_OF_QUEUE 1 #define SOP_TASK_ATTRIBUTE_ORDERED 2 #define SOP_TASK_ATTRIBUTE_ACA 4 #define SOP_TMF_COMPLETE 0x0 #define SOP_TMF_FUNCTION_SUCCEEDED 0x8 /* additional CDB bytes usage field codes */ #define SOP_ADDITIONAL_CDB_BYTES_0 0 /* 16-byte CDB */ #define SOP_ADDITIONAL_CDB_BYTES_4 1 /* 20-byte CDB */ #define SOP_ADDITIONAL_CDB_BYTES_8 2 /* 24-byte CDB */ #define SOP_ADDITIONAL_CDB_BYTES_12 3 /* 28-byte CDB */ #define SOP_ADDITIONAL_CDB_BYTES_16 4 /* 32-byte CDB */ /* * The purpose of this structure is to obtain proper alignment of objects in * an admin queue pair. */ struct pqi_admin_queues_aligned { __aligned(PQI_QUEUE_ELEMENT_ARRAY_ALIGNMENT) u8 iq_element_array[PQI_ADMIN_IQ_ELEMENT_LENGTH] [PQI_ADMIN_IQ_NUM_ELEMENTS]; __aligned(PQI_QUEUE_ELEMENT_ARRAY_ALIGNMENT) u8 oq_element_array[PQI_ADMIN_OQ_ELEMENT_LENGTH] [PQI_ADMIN_OQ_NUM_ELEMENTS]; __aligned(PQI_ADMIN_INDEX_ALIGNMENT) pqi_index_t iq_ci; __aligned(PQI_ADMIN_INDEX_ALIGNMENT) pqi_index_t oq_pi; }; struct pqi_admin_queues { void *iq_element_array; void *oq_element_array; pqi_index_t *iq_ci; pqi_index_t __iomem *oq_pi; dma_addr_t iq_element_array_bus_addr; dma_addr_t oq_element_array_bus_addr; dma_addr_t iq_ci_bus_addr; dma_addr_t oq_pi_bus_addr; __le32 __iomem *iq_pi; pqi_index_t iq_pi_copy; __le32 __iomem *oq_ci; pqi_index_t oq_ci_copy; struct task_struct *task; u16 int_msg_num; }; struct pqi_queue_group { struct pqi_ctrl_info *ctrl_info; /* backpointer */ u16 iq_id[2]; u16 oq_id; u16 int_msg_num; void *iq_element_array[2]; void *oq_element_array; dma_addr_t iq_element_array_bus_addr[2]; dma_addr_t oq_element_array_bus_addr; __le32 __iomem *iq_pi[2]; pqi_index_t iq_pi_copy[2]; pqi_index_t __iomem *iq_ci[2]; pqi_index_t __iomem *oq_pi; dma_addr_t iq_ci_bus_addr[2]; dma_addr_t oq_pi_bus_addr; __le32 __iomem *oq_ci; pqi_index_t oq_ci_copy; spinlock_t submit_lock[2]; /* protect submission queue */ struct list_head request_list[2]; }; struct pqi_event_queue { u16 oq_id; u16 int_msg_num; void *oq_element_array; pqi_index_t __iomem *oq_pi; dma_addr_t oq_element_array_bus_addr; dma_addr_t oq_pi_bus_addr; __le32 __iomem *oq_ci; pqi_index_t oq_ci_copy; }; #define PQI_DEFAULT_QUEUE_GROUP 0 #define PQI_MAX_QUEUE_GROUPS PQI_MAX_MSIX_VECTORS struct pqi_encryption_info { u16 data_encryption_key_index; u32 encrypt_tweak_lower; u32 encrypt_tweak_upper; }; #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; }; union pqi_reset_register { struct { u32 reset_type : 3; u32 reserved : 2; u32 reset_action : 3; u32 hold_in_pd1 : 1; u32 reserved2 : 23; } bits; u32 all_bits; }; #define PQI_RESET_ACTION_RESET 0x1 #define PQI_RESET_TYPE_NO_RESET 0x0 #define PQI_RESET_TYPE_SOFT_RESET 0x1 #define PQI_RESET_TYPE_FIRM_RESET 0x2 #define PQI_RESET_TYPE_HARD_RESET 0x3 #define PQI_RESET_ACTION_COMPLETED 0x2 #define PQI_RESET_POLL_INTERVAL_MSECS 100 #define PQI_MAX_OUTSTANDING_REQUESTS ((u32)~0) #define PQI_MAX_OUTSTANDING_REQUESTS_KDUMP 32 #define PQI_MAX_TRANSFER_SIZE (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_EXTERNAL_RAID_VOLUME_BUS 3 #define PQI_MAX_BUS PQI_EXTERNAL_RAID_VOLUME_BUS struct report_lun_header { __be32 list_length; u8 extended_response; u8 reserved[3]; }; struct report_log_lun_extended_entry { u8 lunid[8]; u8 volume_id[16]; }; struct report_log_lun_extended { struct report_lun_header header; struct report_log_lun_extended_entry lun_entries[1]; }; struct report_phys_lun_extended_entry { u8 lunid[8]; __be64 wwid; u8 device_type; u8 device_flags; u8 lun_count; /* number of LUNs in a multi-LUN device */ u8 redundant_paths; u32 aio_handle; }; /* for device_flags field of struct report_phys_lun_extended_entry */ #define REPORT_PHYS_LUN_DEV_FLAG_AIO_ENABLED 0x8 struct report_phys_lun_extended { struct report_lun_header header; struct report_phys_lun_extended_entry lun_entries[1]; }; struct raid_map_disk_data { u32 aio_handle; u8 xor_mult[2]; u8 reserved[2]; }; /* constants for flags field of RAID map */ #define RAID_MAP_ENCRYPTION_ENABLED 0x1 struct raid_map { __le32 structure_size; /* size of entire structure in bytes */ __le32 volume_blk_size; /* bytes / block in the volume */ __le64 volume_blk_cnt; /* logical blocks on the volume */ u8 phys_blk_shift; /* shift factor to convert between */ /* units of logical blocks and */ /* physical disk blocks */ u8 parity_rotation_shift; /* shift factor to convert between */ /* units of logical stripes and */ /* physical stripes */ __le16 strip_size; /* blocks used on each disk / stripe */ __le64 disk_starting_blk; /* first disk block used in volume */ __le64 disk_blk_cnt; /* disk blocks used by volume / disk */ __le16 data_disks_per_row; /* data disk entries / row in the map */ __le16 metadata_disks_per_row; /* mirror/parity disk entries / row */ /* in the map */ __le16 row_cnt; /* rows in each layout map */ __le16 layout_map_count; /* layout maps (1 map per */ /* mirror parity group) */ __le16 flags; __le16 data_encryption_key_index; u8 reserved[16]; struct raid_map_disk_data disk_data[RAID_MAP_MAX_ENTRIES]; }; #pragma pack() #define RAID_CTLR_LUNID "\0\0\0\0\0\0\0\0" struct pqi_scsi_dev { int devtype; /* as reported by INQUIRY commmand */ u8 device_type; /* as reported by */ /* BMIC_IDENTIFY_PHYSICAL_DEVICE */ /* only valid for devtype = TYPE_DISK */ int bus; int target; int lun; u8 scsi3addr[8]; __be64 wwid; u8 volume_id[16]; u8 is_physical_device : 1; u8 is_external_raid_device : 1; u8 target_lun_valid : 1; 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; u8 raid_level; u16 queue_depth; /* max. queue_depth for this device */ u16 advertised_queue_depth; u32 aio_handle; u8 volume_status; u8 active_path_index; u8 path_map; u8 bay; u8 box[8]; u16 phys_connector[8]; 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; struct list_head scsi_device_list_entry; 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_BYPASS_STATUS 0xc2 /* vendor-specific page */ #define CISS_VPD_LV_STATUS 0xc3 /* vendor-specific page */ #define VPD_PAGE (1 << 8) #pragma pack(1) /* structure for CISS_VPD_LV_STATUS */ struct ciss_vpd_logical_volume_status { u8 peripheral_info; u8 page_code; u8 reserved; u8 page_length; u8 volume_status; u8 reserved2[3]; __be32 flags; }; #pragma pack() /* constants for volume_status field of ciss_vpd_logical_volume_status */ #define CISS_LV_OK 0 #define CISS_LV_FAILED 1 #define CISS_LV_NOT_CONFIGURED 2 #define CISS_LV_DEGRADED 3 #define CISS_LV_READY_FOR_RECOVERY 4 #define CISS_LV_UNDERGOING_RECOVERY 5 #define CISS_LV_WRONG_PHYSICAL_DRIVE_REPLACED 6 #define CISS_LV_PHYSICAL_DRIVE_CONNECTION_PROBLEM 7 #define CISS_LV_HARDWARE_OVERHEATING 8 #define CISS_LV_HARDWARE_HAS_OVERHEATED 9 #define CISS_LV_UNDERGOING_EXPANSION 10 #define CISS_LV_NOT_AVAILABLE 11 #define CISS_LV_QUEUED_FOR_EXPANSION 12 #define CISS_LV_DISABLED_SCSI_ID_CONFLICT 13 #define CISS_LV_EJECTED 14 #define CISS_LV_UNDERGOING_ERASE 15 /* state 16 not used */ #define CISS_LV_READY_FOR_PREDICTIVE_SPARE_REBUILD 17 #define CISS_LV_UNDERGOING_RPI 18 #define CISS_LV_PENDING_RPI 19 #define CISS_LV_ENCRYPTED_NO_KEY 20 /* state 21 not used */ #define CISS_LV_UNDERGOING_ENCRYPTION 22 #define CISS_LV_UNDERGOING_ENCRYPTION_REKEYING 23 #define CISS_LV_ENCRYPTED_IN_NON_ENCRYPTED_CONTROLLER 24 #define CISS_LV_PENDING_ENCRYPTION 25 #define CISS_LV_PENDING_ENCRYPTION_REKEYING 26 #define CISS_LV_NOT_SUPPORTED 27 #define CISS_LV_STATUS_UNAVAILABLE 255 /* constants for flags field of ciss_vpd_logical_volume_status */ #define CISS_LV_FLAGS_NO_HOST_IO 0x1 /* volume not available for */ /* host I/O */ /* for SAS hosts and SAS expanders */ struct pqi_sas_node { struct device *parent_dev; struct list_head port_list_head; }; struct pqi_sas_port { struct list_head port_list_entry; u64 sas_address; struct sas_port *port; int next_phy_index; struct list_head phy_list_head; struct pqi_sas_node *parent_node; struct sas_rphy *rphy; }; struct pqi_sas_phy { struct list_head phy_list_entry; struct sas_phy *phy; struct pqi_sas_port *parent_port; bool added_to_port; }; struct pqi_io_request { atomic_t refcount; u16 index; 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; dma_addr_t sg_chain_buffer_dma_handle; void *iu; struct list_head request_list_entry; }; #define PQI_NUM_SUPPORTED_EVENTS 6 struct pqi_event { bool pending; u8 event_type; __le16 event_id; __le32 additional_event_id; }; #define PQI_RESERVED_IO_SLOTS_LUN_RESET 1 #define PQI_RESERVED_IO_SLOTS_EVENT_ACK PQI_NUM_SUPPORTED_EVENTS #define PQI_RESERVED_IO_SLOTS_SYNCHRONOUS_REQUESTS 3 #define PQI_RESERVED_IO_SLOTS \ (PQI_RESERVED_IO_SLOTS_LUN_RESET + PQI_RESERVED_IO_SLOTS_EVENT_ACK + \ PQI_RESERVED_IO_SLOTS_SYNCHRONOUS_REQUESTS) struct pqi_ctrl_info { unsigned int ctrl_id; struct pci_dev *pci_dev; char firmware_version[11]; void __iomem *iomem_base; struct pqi_ctrl_registers __iomem *registers; struct pqi_device_registers __iomem *pqi_registers; u32 max_sg_entries; u32 config_table_offset; u32 config_table_length; u16 max_inbound_queues; u16 max_elements_per_iq; u16 max_iq_element_length; u16 max_outbound_queues; u16 max_elements_per_oq; u16 max_oq_element_length; u32 max_transfer_size; u32 max_outstanding_requests; u32 max_io_slots; unsigned int scsi_ml_can_queue; unsigned short sg_tablesize; unsigned int max_sectors; u32 error_buffer_length; void *error_buffer; dma_addr_t error_buffer_dma_handle; size_t sg_chain_buffer_length; unsigned int num_queue_groups; u16 max_hw_queue_index; u16 num_elements_per_iq; u16 num_elements_per_oq; u16 max_inbound_iu_length_per_firmware; u16 max_inbound_iu_length; unsigned int max_sg_per_iu; void *admin_queue_memory_base; u32 admin_queue_memory_length; dma_addr_t admin_queue_memory_base_dma_handle; void *queue_memory_base; u32 queue_memory_length; dma_addr_t queue_memory_base_dma_handle; 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; int event_irq; 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 pqi_reset_quiesce_supported : 1; struct list_head scsi_device_list; spinlock_t scsi_device_list_lock; struct delayed_work rescan_work; struct delayed_work update_time_work; struct pqi_sas_node *sas_host; u64 sas_address; struct pqi_io_request *io_request_pool; u16 next_io_request_slot; struct pqi_event events[PQI_NUM_SUPPORTED_EVENTS]; struct work_struct event_work; atomic_t num_interrupts; int previous_num_interrupts; u32 previous_heartbeat_count; __le32 __iomem *heartbeat_counter; struct timer_list heartbeat_timer; struct work_struct ctrl_offline_work; struct semaphore sync_request_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 { SIS_MODE = 0, PQI_MODE }; /* * assume worst case: SATA queue depth of 31 minus 4 internal firmware commands */ #define PQI_PHYSICAL_DISK_DEFAULT_MAX_QUEUE_DEPTH 27 /* CISS commands */ #define CISS_READ 0xc0 #define CISS_REPORT_LOG 0xc2 /* Report Logical LUNs */ #define CISS_REPORT_PHYS 0xc3 /* Report Physical LUNs */ #define CISS_GET_RAID_MAP 0xc8 /* constants for CISS_REPORT_LOG/CISS_REPORT_PHYS commands */ #define CISS_REPORT_LOG_EXTENDED 0x1 #define CISS_REPORT_PHYS_EXTENDED 0x2 /* BMIC commands */ #define BMIC_IDENTIFY_CONTROLLER 0x11 #define BMIC_IDENTIFY_PHYSICAL_DEVICE 0x15 #define BMIC_READ 0x26 #define BMIC_WRITE 0x27 #define BMIC_SENSE_CONTROLLER_PARAMETERS 0x64 #define BMIC_SENSE_SUBSYSTEM_INFORMATION 0x66 #define BMIC_WRITE_HOST_WELLNESS 0xa5 #define BMIC_FLUSH_CACHE 0xc2 #define SA_FLUSH_CACHE 0x1 #define MASKED_DEVICE(lunid) ((lunid)[3] & 0xc0) #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_LEVEL_2_BUS((lunid)) - 1) << 8) + \ CISS_GET_LEVEL_2_TARGET((lunid))) #define NO_TIMEOUT ((unsigned long) -1) #pragma pack(1) struct bmic_identify_controller { u8 configured_logical_drive_count; __le32 configuration_signature; u8 firmware_version[4]; u8 reserved[145]; __le16 extended_logical_unit_count; u8 reserved1[34]; __le16 firmware_build_number; u8 reserved2[100]; u8 controller_mode; u8 reserved3[32]; }; struct bmic_identify_physical_device { u8 scsi_bus; /* SCSI Bus number on controller */ u8 scsi_id; /* SCSI ID on this bus */ __le16 block_size; /* sector size in bytes */ __le32 total_blocks; /* number for sectors on drive */ __le32 reserved_blocks; /* controller reserved (RIS) */ u8 model[40]; /* Physical Drive Model */ u8 serial_number[40]; /* Drive Serial Number */ u8 firmware_revision[8]; /* drive firmware revision */ u8 scsi_inquiry_bits; /* inquiry byte 7 bits */ u8 compaq_drive_stamp; /* 0 means drive not stamped */ u8 last_failure_reason; u8 flags; u8 more_flags; u8 scsi_lun; /* SCSI LUN for phys drive */ u8 yet_more_flags; u8 even_more_flags; __le32 spi_speed_rules; u8 phys_connector[2]; /* connector number on controller */ u8 phys_box_on_bus; /* phys enclosure this drive resides */ u8 phys_bay_in_box; /* phys drv bay this drive resides */ __le32 rpm; /* drive rotational speed in RPM */ u8 device_type; /* type of drive */ u8 sata_version; /* only valid when device_type = */ /* BMIC_DEVICE_TYPE_SATA */ __le64 big_total_block_count; __le64 ris_starting_lba; __le32 ris_size; u8 wwid[20]; u8 controller_phy_map[32]; __le16 phy_count; u8 phy_connected_dev_type[256]; u8 phy_to_drive_bay_num[256]; __le16 phy_to_attached_dev_index[256]; u8 box_index; u8 reserved; __le16 extra_physical_drive_flags; u8 negotiated_link_rate[256]; u8 phy_to_phy_map[256]; u8 redundant_path_present_map; u8 redundant_path_failure_map; u8 active_path_number; __le16 alternate_paths_phys_connector[8]; u8 alternate_paths_phys_box_on_port[8]; u8 multi_lun_device_lun_count; u8 minimum_good_fw_revision[8]; u8 unique_inquiry_bytes[20]; 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]; __le16 switch_port; u8 alternate_paths_switch_name[40]; u8 alternate_paths_switch_port[8]; __le16 power_on_hours; __le16 percent_endurance_used; u8 drive_authentication; 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; __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]; }; struct bmic_flush_cache { u8 disable_flag; u8 system_power_action; u8 ndu_flush; u8 shutdown_event; u8 reserved[28]; }; /* for shutdown_event member of struct bmic_flush_cache */ enum bmic_flush_cache_shutdown_event { NONE_CACHE_FLUSH_ONLY = 0, SHUTDOWN = 1, HIBERNATE = 2, SUSPEND = 3, RESTART = 4 }; #pragma pack() int pqi_add_sas_host(struct Scsi_Host *shost, struct pqi_ctrl_info *ctrl_info); void pqi_delete_sas_host(struct pqi_ctrl_info *ctrl_info); int pqi_add_sas_device(struct pqi_sas_node *pqi_sas_node, struct pqi_scsi_dev *device); 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; #endif /* _SMARTPQI_H */
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