Many of these want to be deleted in favor of the in-kernel equivalent. Signed-off-by: Dan Williams <dan.j.williams@xxxxxxxxx> --- drivers/scsi/isci/core/intel_ata.h | 554 ++++++++++++ drivers/scsi/isci/core/intel_sas.h | 948 +++++++++++++++++++++ drivers/scsi/isci/core/intel_sat.h | 95 ++ drivers/scsi/isci/core/intel_sata.h | 280 ++++++ drivers/scsi/isci/core/intel_scsi.h | 474 +++++++++++ drivers/scsi/isci/core/sati_device.h | 156 +++ drivers/scsi/isci/core/sati_translator_sequence.h | 304 +++++++ drivers/scsi/isci/core/sati_types.h | 145 +++ drivers/scsi/isci/core/sci_pool.h | 199 ++++ drivers/scsi/isci/core/sci_status.h | 409 +++++++++ drivers/scsi/isci/core/sci_util.c | 101 ++ drivers/scsi/isci/core/sci_util.h | 108 ++ drivers/scsi/isci/core/scic_config_parameters.h | 346 ++++++++ drivers/scsi/isci/core/scic_sds_pci.h | 94 ++ 14 files changed, 4213 insertions(+), 0 deletions(-) create mode 100644 drivers/scsi/isci/core/intel_ata.h create mode 100644 drivers/scsi/isci/core/intel_sas.h create mode 100644 drivers/scsi/isci/core/intel_sat.h create mode 100644 drivers/scsi/isci/core/intel_sata.h create mode 100644 drivers/scsi/isci/core/intel_scsi.h create mode 100644 drivers/scsi/isci/core/sati_device.h create mode 100644 drivers/scsi/isci/core/sati_translator_sequence.h create mode 100644 drivers/scsi/isci/core/sati_types.h create mode 100644 drivers/scsi/isci/core/sci_pool.h create mode 100644 drivers/scsi/isci/core/sci_status.h create mode 100644 drivers/scsi/isci/core/sci_util.c create mode 100644 drivers/scsi/isci/core/sci_util.h create mode 100644 drivers/scsi/isci/core/scic_config_parameters.h create mode 100644 drivers/scsi/isci/core/scic_sds_pci.h diff --git a/drivers/scsi/isci/core/intel_ata.h b/drivers/scsi/isci/core/intel_ata.h new file mode 100644 index 0000000..48b297e --- /dev/null +++ b/drivers/scsi/isci/core/intel_ata.h @@ -0,0 +1,554 @@ +/* + * This file is provided under a dual BSD/GPLv2 license. When using or + * redistributing this file, you may do so under either license. + * + * GPL LICENSE SUMMARY + * + * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * 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. + * + * 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 St - Fifth Floor, Boston, MA 02110-1301 USA. + * The full GNU General Public License is included in this distribution + * in the file called LICENSE.GPL. + * + * BSD LICENSE + * + * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 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 + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +/** + * This file defines all of the ATA related constants, enumerations, and types. + * Please note that this file does not necessarily contain an exhaustive + * list of all constants, commands, sub-commands, etc. + * + * + */ + +#ifndef _ATA_H_ +#define _ATA_H_ + +#include <linux/types.h> + +/** + * + * + * ATA_COMMAND_CODES These constants depict the various ATA command codes + * defined in the ATA/ATAPI specification. + */ +#define ATA_IDENTIFY_DEVICE 0xEC +#define ATA_CHECK_POWER_MODE 0xE5 +#define ATA_STANDBY 0xE2 +#define ATA_STANDBY_IMMED 0xE0 +#define ATA_IDLE_IMMED 0xE1 +#define ATA_IDLE 0xE3 +#define ATA_FLUSH_CACHE 0xE7 +#define ATA_FLUSH_CACHE_EXT 0xEA +#define ATA_READ_DMA_EXT 0x25 +#define ATA_READ_DMA 0xC8 +#define ATA_READ_SECTORS_EXT 0x24 +#define ATA_READ_SECTORS 0x20 +#define ATA_WRITE_DMA_EXT 0x35 +#define ATA_WRITE_DMA 0xCA +#define ATA_WRITE_SECTORS_EXT 0x34 +#define ATA_WRITE_SECTORS 0x30 +#define ATA_WRITE_UNCORRECTABLE 0x45 +#define ATA_READ_VERIFY_SECTORS 0x40 +#define ATA_READ_VERIFY_SECTORS_EXT 0x42 +#define ATA_READ_BUFFER 0xE4 +#define ATA_WRITE_BUFFER 0xE8 +#define ATA_EXECUTE_DEVICE_DIAG 0x90 +#define ATA_SET_FEATURES 0xEF +#define ATA_SMART 0xB0 +#define ATA_PACKET_IDENTIFY 0xA1 +#define ATA_PACKET 0xA0 +#define ATA_READ_FPDMA 0x60 +#define ATA_WRITE_FPDMA 0x61 +#define ATA_READ_LOG_EXT 0x2F +#define ATA_NOP 0x00 +#define ATA_DEVICE_RESET 0x08 +#define ATA_MEDIA_EJECT 0xED + +/** + * + * + * ATA_SMART_SUB_COMMAND_CODES These constants define the ATA SMART command + * sub-codes that can be executed. + */ +#define ATA_SMART_SUB_CMD_ENABLE 0xD8 +#define ATA_SMART_SUB_CMD_DISABLE 0xD9 +#define ATA_SMART_SUB_CMD_RETURN_STATUS 0xDA +#define ATA_SMART_SUB_CMD_READ_LOG 0xD5 + +/** + * + * + * ATA_SET_FEATURES_SUB_COMMAND_CODES These constants define the ATA SET + * FEATURES command sub-codes that can be executed. + */ +#define ATA_SET_FEATURES_SUB_CMD_ENABLE_CACHE 0x02 +#define ATA_SET_FEATURES_SUB_CMD_DISABLE_CACHE 0x82 +#define ATA_SET_FEATURES_SUB_CMD_DISABLE_READ_AHEAD 0x55 +#define ATA_SET_FEATURES_SUB_CMD_ENABLE_READ_AHEAD 0xAA +#define ATA_SET_FEATURES_SUB_CMD_SET_TRANSFER_MODE 0x3 + +/** + * + * + * ATA_READ_LOG_EXT_PAGE_CODES This is a list of log page codes available for + * use. + */ +#define ATA_LOG_PAGE_NCQ_ERROR 0x10 +#define ATA_LOG_PAGE_SMART_SELF_TEST 0x06 +#define ATA_LOG_PAGE_EXTENDED_SMART_SELF_TEST 0x07 + +/** + * + * + * ATA_LOG_PAGE_NCQ_ERROR_CONSTANTS These constants define standard values for + * use when requesting the NCQ error log page. + */ +#define ATA_LOG_PAGE_NCQ_ERROR_SECTOR 0 +#define ATA_LOG_PAGE_NCQ_ERROR_SECTOR_COUNT 1 + +/** + * + * + * ATA_STATUS_REGISTER_BITS The following are status register bit definitions + * per ATA/ATAPI-7. + */ +#define ATA_STATUS_REG_BSY_BIT 0x80 +#define ATA_STATUS_REG_DEVICE_FAULT_BIT 0x20 +#define ATA_STATUS_REG_ERROR_BIT 0x01 + +/** + * + * + * ATA_ERROR_REGISTER_BITS The following are error register bit definitions per + * ATA/ATAPI-7. + */ +#define ATA_ERROR_REG_NO_MEDIA_BIT 0x02 +#define ATA_ERROR_REG_ABORT_BIT 0x04 +#define ATA_ERROR_REG_MEDIA_CHANGE_REQUEST_BIT 0x08 +#define ATA_ERROR_REG_ID_NOT_FOUND_BIT 0x10 +#define ATA_ERROR_REG_MEDIA_CHANGE_BIT 0x20 +#define ATA_ERROR_REG_UNCORRECTABLE_BIT 0x40 +#define ATA_ERROR_REG_WRITE_PROTECTED_BIT 0x40 +#define ATA_ERROR_REG_ICRC_BIT 0x80 + +/** + * + * + * ATA_CONTROL_REGISTER_BITS The following are control register bit definitions + * per ATA/ATAPI-7 + */ +#define ATA_CONTROL_REG_INTERRUPT_ENABLE_BIT 0x02 +#define ATA_CONTROL_REG_SOFT_RESET_BIT 0x04 +#define ATA_CONTROL_REG_HIGH_ORDER_BYTE_BIT 0x80 + +/** + * + * + * ATA_DEVICE_HEAD_REGISTER_BITS The following are device/head register bit + * definitions per ATA/ATAPI-7. + */ +#define ATA_DEV_HEAD_REG_LBA_MODE_ENABLE 0x40 +#define ATA_DEV_HEAD_REG_FUA_ENABLE 0x80 + +/** + * + * + * ATA_IDENTIFY_DEVICE_FIELD_LENGTHS The following constants define the number + * of bytes contained in various fields found in the IDENTIFY DEVICE data + * structure. + */ +#define ATA_IDENTIFY_SERIAL_NUMBER_LEN 20 +#define ATA_IDENTIFY_MODEL_NUMBER_LEN 40 +#define ATA_IDENTIFY_FW_REVISION_LEN 8 +#define ATA_IDENTIFY_48_LBA_LEN 8 +#define ATA_IDENTIFY_MEDIA_SERIAL_NUMBER_LEN 30 +#define ATA_IDENTIFY_WWN_LEN 8 + +/** + * + * + * ATA_IDENTIFY_DEVICE_FIELD_MASKS The following constants define bit masks + * utilized to determine if a feature is supported/enabled or if a bit is + * simply set inside of the IDENTIFY DEVICE data structre. + */ +#define ATA_IDENTIFY_REMOVABLE_MEDIA_ENABLE 0x0080 +#define ATA_IDENTIFY_CAPABILITIES1_NORMAL_DMA_ENABLE 0x0100 +#define ATA_IDENTIFY_CAPABILITIES1_STANDBY_ENABLE 0x2000 +#define ATA_IDENTIFY_COMMAND_SET_SUPPORTED0_SMART_ENABLE 0x0001 +#define ATA_IDENTIFY_COMMAND_SET_SUPPORTED1_48BIT_ENABLE 0x0400 +#define ATA_IDENTIFY_COMMAND_SET_WWN_SUPPORT_ENABLE 0x0100 +#define ATA_IDENTIFY_COMMAND_SET_ENABLED0_SMART_ENABLE 0x0001 +#define ATA_IDENTIFY_SATA_CAPABILITIES_NCQ_ENABLE 0x0100 +#define ATA_IDENTIFY_NCQ_QUEUE_DEPTH_ENABLE 0x001F +#define ATA_IDENTIFY_SECTOR_LARGER_THEN_512_ENABLE 0x0100 +#define ATA_IDENTIFY_LOGICAL_SECTOR_PER_PHYSICAL_SECTOR_MASK 0x000F +#define ATA_IDENTIFY_LOGICAL_SECTOR_PER_PHYSICAL_SECTOR_ENABLE 0x2000 +#define ATA_IDENTIFY_WRITE_UNCORRECTABLE_SUPPORT 0x0004 +#define ATA_IDENTIFY_COMMAND_SET_SMART_SELF_TEST_SUPPORTED 0x0002 + +/** + * + * + * ATAPI_IDENTIFY_DEVICE_FIELD_MASKS These constants define the various bit + * definitions for the fields in the PACKET IDENTIFY DEVICE data structure. + */ +#define ATAPI_IDENTIFY_16BYTE_CMD_PCKT_ENABLE 0x01 + +/** + * + * + * ATA_PACKET_FEATURE_BITS These constants define the various bit definitions + * for the ATA PACKET feature register. + */ +#define ATA_PACKET_FEATURE_DMA 0x01 +#define ATA_PACKET_FEATURE_OVL 0x02 +#define ATA_PACKET_FEATURE_DMADIR 0x04 + +/** + * + * + * ATA_Device_Power_Mode_Values These constants define the power mode values + * returned by ATA_Check_Power_Mode + */ +#define ATA_STANDBY_POWER_MODE 0x00 +#define ATA_IDLE_POWER_MODE 0x80 +#define ATA_ACTIVE_POWER_MODE 0xFF + +/** + * + * + * ATA_WRITE_UNCORRECTIABLE feature field values These constants define the + * Write Uncorrectable feature values used with the SATI translation. + */ +#define ATA_WRITE_UNCORRECTABLE_PSUEDO 0x55 +#define ATA_WRITE_UNCORRECTABLE_FLAGGED 0xAA + + + +/** + * struct ATA_IDENTIFY_DEVICE - This structure depicts the ATA IDENTIFY DEVICE + * data format. + * + * + */ +struct ata_identify_device_data { + u16 general_config_bits; /* word 00 */ + u16 obsolete0; /* word 01 (num cylinders) */ + u16 vendor_specific_config_bits; /* word 02 */ + u16 obsolete1; /* word 03 (num heads) */ + u16 retired1[2]; /* words 04-05 */ + u16 obsolete2; /* word 06 (sectors / track) */ + u16 reserved_for_compact_flash1[2]; /* words 07-08 */ + u16 retired0; /* word 09 */ + u8 serial_number[ATA_IDENTIFY_SERIAL_NUMBER_LEN]; /* word 10-19 */ + u16 retired2[2]; /* words 20-21 */ + u16 obsolete4; /* word 22 */ + u8 firmware_revision[ATA_IDENTIFY_FW_REVISION_LEN]; /* words 23-26 */ + u8 model_number[ATA_IDENTIFY_MODEL_NUMBER_LEN]; /* words 27-46 */ + u16 max_sectors_per_multiple; /* word 47 */ + u16 reserved0; /* word 48 */ + u16 capabilities1; /* word 49 */ + u16 capabilities2; /* word 50 */ + u16 obsolete5[2]; /* words 51-52 */ + u16 validity_bits; /* word 53 */ + u16 obsolete6[5]; /* + * words 54-58 Used to be: + * current cylinders, + * current heads, + * current sectors/Track, + * current capacity */ + u16 current_max_sectors_per_multiple; /* word 59 */ + u8 total_num_sectors[4]; /* words 60-61 */ + u16 obsolete7; /* word 62 */ + u16 multi_word_dma_mode; /* word 63 */ + u16 pio_modes_supported; /* word 64 */ + u16 min_multiword_dma_transfer_cycle; /* word 65 */ + u16 rec_min_multiword_dma_transfer_cycle; /* word 66 */ + u16 min_pio_transfer_no_flow_ctrl; /* word 67 */ + u16 min_pio_transfer_with_flow_ctrl; /* word 68 */ + u16 reserved1[2]; /* words 69-70 */ + u16 reserved2[4]; /* words 71-74 */ + u16 queue_depth; /* word 75 */ + u16 serial_ata_capabilities; /* word 76 */ + u16 serial_ata_reserved; /* word 77 */ + u16 serial_ata_features_supported; /* word 78 */ + u16 serial_ata_features_enabled; /* word 79 */ + u16 major_version_number; /* word 80 */ + u16 minor_version_number; /* word 81 */ + u16 command_set_supported0; /* word 82 */ + u16 command_set_supported1; /* word 83 */ + u16 command_set_supported_extention; /* word 84 */ + u16 command_set_enabled0; /* word 85 */ + u16 command_set_enabled1; /* word 86 */ + u16 command_set_default; /* word 87 */ + u16 ultra_dma_mode; /* word 88 */ + u16 security_erase_completion_time; /* word 89 */ + u16 enhanced_security_erase_time; /* word 90 */ + u16 current_power_mgmt_value; /* word 91 */ + u16 master_password_revision; /* word 92 */ + u16 hardware_reset_result; /* word 93 */ + u16 current_acoustic_management_value; /* word 94 */ + u16 stream_min_request_size; /* word 95 */ + u16 stream_transfer_time; /* word 96 */ + u16 stream_access_latency; /* word 97 */ + u16 stream_performance_granularity[2]; /* words 98-99 */ + u8 max_48bit_lba[ATA_IDENTIFY_48_LBA_LEN]; /* words 100-103 */ + u16 streaming_transfer_time; /* word 104 */ + u16 reserved3; /* word 105 */ + u16 physical_logical_sector_info; /* word 106 */ + u16 acoustic_test_interseek_delay; /* word 107 */ + u8 world_wide_name[ATA_IDENTIFY_WWN_LEN]; /* words 108-111 */ + u8 reserved_for_wwn_extention[ATA_IDENTIFY_WWN_LEN]; /* words 112-115 */ + u16 reserved4; /* word 116 */ + u8 words_per_logical_sector[4]; /* words 117-118 */ + u16 command_set_supported2; /* word 119 */ + u16 reserved5[7]; /* words 120-126 */ + u16 removable_media_status; /* word 127 */ + u16 security_status; /* word 128 */ + u16 vendor_specific1[31]; /* words 129-159 */ + u16 cfa_power_mode1; /* word 160 */ + u16 reserved_for_compact_flash2[7]; /* words 161-167 */ + u16 device_nominal_form_factor; /* word 168 */ + u16 reserved_for_compact_flash3[7]; /* words 169-175 */ + u16 current_media_serial_number[ATA_IDENTIFY_MEDIA_SERIAL_NUMBER_LEN]; /* words 176-205 */ + u16 reserved6[3]; /* words 206-208 */ + u16 logical_sector_alignment; /* words 209 */ + u16 reserved7[7]; /* words 210-216 */ + u16 nominal_media_rotation_rate; /* word 217 */ + u16 reserved8[37]; /* words 218-254 */ + u16 integrity_word; /* word 255 */ + +}; + +#define ATA_IDENTIFY_DEVICE_GET_OFFSET(field_name) \ + ((unsigned long)&(((struct ata_identify_device_data *)0)->field_name)) +#define ATA_IDENTIFY_DEVICE_WCE_ENABLE 0x20 +#define ATA_IDENTIFY_DEVICE_RA_ENABLE 0x40 + +/** + * struct ATAPI_IDENTIFY_PACKET_DATA - The following structure depicts the + * ATA-ATAPI 7 version of the IDENTIFY PACKET DEVICE data structure. + * + * + */ +struct atapi_identify_packet_device { + u16 generalConfigBits; /* word 00 */ + u16 reserved0; /* word 01 (num cylinders) */ + u16 uniqueConfigBits; /* word 02 */ + u16 reserved1[7]; /* words 03 - 09 */ + u8 serialNumber[ATA_IDENTIFY_SERIAL_NUMBER_LEN]; /* word 10-19 */ + u16 reserved2[3]; /* words 20-22 */ + u8 firmwareRevision[ATA_IDENTIFY_FW_REVISION_LEN]; /* words 23-26 */ + u8 modelNumber[ATA_IDENTIFY_MODEL_NUMBER_LEN]; /* words 27-46 */ + u16 reserved4[2]; /* words 47-48 */ + u16 capabilities1; /* word 49 */ + u16 capabilities2; /* word 50 */ + u16 obsolete0[2]; /* words 51-52 */ + u16 validityBits; /* word 53 */ + u16 reserved[8]; /* words 54-61 */ + + u16 DMADIRBitRequired; /* word 62, page2 */ + u16 multiWordDmaMode; /* word 63 */ + u16 pioModesSupported; /* word 64 */ + u16 minMultiwordDmaTransferCycle; /* word 65 */ + u16 recMinMultiwordDmaTransferCycle; /* word 66 */ + u16 minPioTransferNoFlowCtrl; /* word 67 */ + u16 minPioTransferWithFlowCtrl; /* word 68 */ + u16 reserved6[2]; /* words 69-70 */ + u16 nsFromPACKETReceiptToBusRelease; /* word 71 */ + u16 nsFromSERVICEReceiptToBSYreset; /* wore 72 */ + u16 reserved7[2]; /* words 73-74 */ + u16 queueDepth; /* word 75 */ + u16 serialAtaCapabilities; /* word 76 */ + u16 serialAtaReserved; /* word 77 */ + u16 serialAtaFeaturesSupported; /* word 78 */ + u16 serialAtaFeaturesEnabled; /* word 79 */ + + u16 majorVersionNumber; /* word 80, page3 */ + u16 minorVersionNumber; /* word 81 */ + u16 commandSetSupported0; /* word 82 */ + u16 commandSetSupported1; /* word 83 */ + + u16 commandSetSupportedExtention; /* word 84, page4 */ + u16 commandSetEnabled0; /* word 85 */ + u16 commandSetEnabled1; /* word 86 */ + u16 commandSetDefault; /* word 87 */ + + u16 ultraDmaMode; /* word 88, page5 */ + u16 reserved8[4]; /* words 89 - 92 */ + + u16 hardwareResetResult; /* word 93, page6 */ + u16 currentAcousticManagementValue; /* word 94 */ + u16 reserved9[30]; /* words 95-124 */ + u16 ATAPIByteCount0Behavior; /* word 125 */ + u16 obsolete1; /* word 126 */ + u16 removableMediaStatus; /* word 127, */ + + u16 securityStatus; /* word 128, page7 */ + u16 vendorSpecific1[31]; /* words 129-159 */ + u16 reservedForCompactFlash[16]; /* words 160-175 */ + u16 reserved10[79]; /* words 176-254 */ + u16 integrityWord; /* word 255 */ +}; + +/** + * struct ata_extended_smart_self_test_log - The following structure depicts + * the ATA-8 version of the Extended SMART self test log page descriptor + * entry. + * + * + */ +union ata_descriptor_entry { + struct DESCRIPTOR_ENTRY { + u8 lba_field; + u8 status_byte; + u8 time_stamp_low; + u8 time_stamp_high; + u8 checkpoint_byte; + u8 failing_lba_low; + u8 failing_lba_mid; + u8 failing_lba_high; + u8 failing_lba_low_ext; + u8 failing_lba_mid_ext; + u8 failing_lba_high_ext; + + u8 vendor_specific1; + u8 vendor_specific2; + u8 vendor_specific3; + u8 vendor_specific4; + u8 vendor_specific5; + u8 vendor_specific6; + u8 vendor_specific7; + u8 vendor_specific8; + u8 vendor_specific9; + u8 vendor_specific10; + u8 vendor_specific11; + u8 vendor_specific12; + u8 vendor_specific13; + u8 vendor_specific14; + u8 vendor_specific15; + } DESCRIPTOR_ENTRY; + + u8 descriptor_entry[26]; + +}; + +/** + * struct ata_extended_smart_self_test_log - The following structure depicts + * the ATA-8 version of the SMART self test log page descriptor entry. + * + * + */ +union ata_smart_descriptor_entry { + struct SMART_DESCRIPTOR_ENTRY { + u8 lba_field; + u8 status_byte; + u8 time_stamp_low; + u8 time_stamp_high; + u8 checkpoint_byte; + u8 failing_lba_low; + u8 failing_lba_mid; + u8 failing_lba_high; + u8 failing_lba_low_ext; + + u8 vendor_specific1; + u8 vendor_specific2; + u8 vendor_specific3; + u8 vendor_specific4; + u8 vendor_specific5; + u8 vendor_specific6; + u8 vendor_specific7; + u8 vendor_specific8; + u8 vendor_specific9; + u8 vendor_specific10; + u8 vendor_specific11; + u8 vendor_specific12; + u8 vendor_specific13; + u8 vendor_specific14; + u8 vendor_specific15; + } SMART_DESCRIPTOR_ENTRY; + + u8 smart_descriptor_entry[24]; + +}; + +/** + * struct ata_extended_smart_self_test_log - The following structure depicts + * the ATA-8 version of the Extended SMART self test log page. + * + * + */ +struct ata_extended_smart_self_test_log { + u8 self_test_log_data_structure_revision_number; /* byte 0 */ + u8 reserved0; /* byte 1 */ + u8 self_test_descriptor_index[2]; /* byte 2-3 */ + + union ata_descriptor_entry descriptor_entrys[19]; /* bytes 4-497 */ + + u8 vendor_specific[2]; /* byte 498-499 */ + u8 reserved1[11]; /* byte 500-510 */ + u8 data_structure_checksum; /* byte 511 */ + +}; + +/** + * struct ata_extended_smart_self_test_log - The following structure depicts + * the ATA-8 version of the SMART self test log page. + * + * + */ +struct ata_smart_self_test_log { + u8 self_test_log_data_structure_revision_number[2]; /* bytes 0-1 */ + + union ata_smart_descriptor_entry descriptor_entrys[21]; /* bytes 2-505 */ + + u8 vendor_specific[2]; /* byte 506-507 */ + u8 self_test_index; /* byte 508 */ + u8 reserved1[2]; /* byte 509-510 */ + u8 data_structure_checksum; /* byte 511 */ + +}; + +#endif /* _ATA_H_ */ + diff --git a/drivers/scsi/isci/core/intel_sas.h b/drivers/scsi/isci/core/intel_sas.h new file mode 100644 index 0000000..eb9686e --- /dev/null +++ b/drivers/scsi/isci/core/intel_sas.h @@ -0,0 +1,948 @@ +/* + * This file is provided under a dual BSD/GPLv2 license. When using or + * redistributing this file, you may do so under either license. + * + * GPL LICENSE SUMMARY + * + * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * 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. + * + * 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 St - Fifth Floor, Boston, MA 02110-1301 USA. + * The full GNU General Public License is included in this distribution + * in the file called LICENSE.GPL. + * + * BSD LICENSE + * + * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 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 + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef _INTEL_SAS_H_ +#define _INTEL_SAS_H_ + +/** + * This file contains all of the definitions relating to structures, constants, + * etc. defined by the SAS specification. + * + * + */ + +#include "intel_sata.h" +#include "intel_scsi.h" + +/** + * struct sci_sas_address - This structure depicts how a SAS address is + * represented by SCI. + * + * + */ +struct sci_sas_address { + /** + * This member contains the higher 32-bits of the SAS address. + */ + u32 high; + + /** + * This member contains the lower 32-bits of the SAS address. + */ + u32 low; + +}; + +/** + * struct sci_sas_identify_address_frame_protocols - This structure depicts the + * contents of bytes 2 and 3 in the SAS IDENTIFY ADDRESS FRAME (IAF). + * + * For specific information on each of these individual fields please reference + * the SAS specification Link layer section on address frames. + */ +struct sci_sas_identify_address_frame_protocols { + union { + struct { + u16 restricted1:1; + u16 smp_initiator:1; + u16 stp_initiator:1; + u16 ssp_initiator:1; + u16 reserved3:4; + u16 restricted2:1; + u16 smp_target:1; + u16 stp_target:1; + u16 ssp_target:1; + u16 reserved4:4; + } bits; + + u16 all; + } u; + +}; + +/** + * struct sci_sas_identify_address_frame - This structure depicts the contents + * of the SAS IDENTIFY ADDRESS FRAME (IAF). + * + * For specific information on each of these individual fields please reference + * the SAS specification Link layer section on address frames. + */ +struct sci_sas_identify_address_frame { + u16 address_frame_type:4; + u16 device_type:3; + u16 reserved1:1; + u16 reason:4; + u16 reserved2:4; + + struct sci_sas_identify_address_frame_protocols protocols; + + struct sci_sas_address device_name; + struct sci_sas_address sas_address; + + u32 phy_identifier:8; + u32 break_reply_capable:1; + u32 requested_in_zpsds:1; + u32 in_zpsds_persistent:1; + u32 reserved5:21; + + u32 reserved6[4]; + +}; + +/** + * struct sas_capabilities - This structure depicts the various SAS + * capabilities supported by the directly attached target device. For + * specific information on each of these individual fields please reference + * the SAS specification Phy layer section on speed negotiation windows. + * + * + */ +struct sas_capabilities { + union { +#if defined (SCIC_SDS_4_ENABLED) + struct { + /** + * The SAS specification indicates the start bit shall always be set to + * 1. This implementation will have the start bit set to 0 if the + * PHY CAPABILITIES were either not received or speed negotiation failed. + */ + u32 start:1; + u32 tx_ssc_type:1; + u32 reserved1:2; + u32 requested_logical_link_rate:4; + + u32 gen1_without_ssc_supported:1; + u32 gen1_with_ssc_supported:1; + u32 gen2_without_ssc_supported:1; + u32 gen2_with_ssc_supported:1; + u32 gen3_without_ssc_supported:1; + u32 gen3_with_ssc_supported:1; + u32 reserved2:17; + u32 parity:1; + } bits; +#endif /* (SCIC_SDS_4_ENABLED) */ + + u32 all; + } u; + +}; + +/** + * enum _SCI_SAS_LINK_RATE - This enumeration depicts the SAS specification + * defined link speeds. + * + * + */ +enum sci_sas_link_rate { + SCI_SAS_NO_LINK_RATE = 0, + SCI_SATA_SPINUP_HOLD = 0x3, + SCI_SAS_150_GB = 0x8, + SCI_SAS_300_GB = 0x9, + SCI_SAS_600_GB = 0xA +}; + +/** + * enum _SCI_SAS_TASK_ATTRIBUTE - This enumeration depicts the SAM/SAS + * specification defined task attribute values for a command information + * unit. + * + * + */ +enum sci_sas_task_attribute { + SCI_SAS_SIMPLE_ATTRIBUTE = 0, + SCI_SAS_HEAD_OF_QUEUE_ATTRIBUTE = 1, + SCI_SAS_ORDERED_ATTRIBUTE = 2, + SCI_SAS_ACA_ATTRIBUTE = 4, +}; + +/** + * enum _SCI_SAS_TASK_MGMT_FUNCTION - This enumeration depicts the SAM/SAS + * specification defined task management functions. + * + * This HARD_RESET function listed here is not actually defined as a task + * management function in the industry standard. + */ +enum sci_sas_task_mgmt_function { + SCI_SAS_ABORT_TASK = SCSI_TASK_REQUEST_ABORT_TASK, + SCI_SAS_ABORT_TASK_SET = SCSI_TASK_REQUEST_ABORT_TASK_SET, + SCI_SAS_CLEAR_TASK_SET = SCSI_TASK_REQUEST_CLEAR_TASK_SET, + SCI_SAS_LOGICAL_UNIT_RESET = SCSI_TASK_REQUEST_LOGICAL_UNIT_RESET, + SCI_SAS_I_T_NEXUS_RESET = SCSI_TASK_REQUEST_I_T_NEXUS_RESET, + SCI_SAS_CLEAR_ACA = SCSI_TASK_REQUEST_CLEAR_ACA, + SCI_SAS_QUERY_TASK = SCSI_TASK_REQUEST_QUERY_TASK, + SCI_SAS_QUERY_TASK_SET = SCSI_TASK_REQUEST_QUERY_TASK_SET, + SCI_SAS_QUERY_ASYNCHRONOUS_EVENT = SCSI_TASK_REQUEST_QUERY_UNIT_ATTENTION, + SCI_SAS_HARD_RESET = 0xFF +}; + + +/** + * enum _SCI_SAS_FRAME_TYPE - This enumeration depicts the SAS specification + * defined SSP frame types. + * + * + */ +enum sci_sas_frame_type { + SCI_SAS_DATA_FRAME = 0x01, + SCI_SAS_XFER_RDY_FRAME = 0x05, + SCI_SAS_COMMAND_FRAME = 0x06, + SCI_SAS_RESPONSE_FRAME = 0x07, + SCI_SAS_TASK_FRAME = 0x16 +}; + +/** + * struct sci_ssp_command_iu - This structure depicts the contents of the SSP + * COMMAND INFORMATION UNIT. For specific information on each of these + * individual fields please reference the SAS specification SSP transport + * layer section. + * + * + */ +struct sci_ssp_command_iu { + u32 lun_upper; + u32 lun_lower; + + u32 additional_cdb_length:6; + u32 reserved0:2; + u32 reserved1:8; + u32 enable_first_burst:1; + u32 task_priority:4; + u32 task_attribute:3; + u32 reserved2:8; + + u32 cdb[4]; + +}; + +/** + * struct sci_ssp_task_iu - This structure depicts the contents of the SSP TASK + * INFORMATION UNIT. For specific information on each of these individual + * fields please reference the SAS specification SSP transport layer section. + * + * + */ +struct sci_ssp_task_iu { + u32 lun_upper; + u32 lun_lower; + + u32 reserved0:8; + u32 task_function:8; + u32 reserved1:8; + u32 reserved2:8; + + u32 reserved3:16; + u32 task_tag:16; + + u32 reserved4[3]; + +}; + +#define SSP_RESPONSE_IU_MAX_DATA 64 + +#define SCI_SSP_RESPONSE_IU_DATA_PRESENT_MASK (0x03) + + +#define sci_ssp_get_sense_data_length(sense_data_length_buffer) \ + SCIC_BUILD_DWORD(sense_data_length_buffer) + +#define sci_ssp_get_response_data_length(response_data_length_buffer) \ + SCIC_BUILD_DWORD(response_data_length_buffer) + +/** + * struct sci_ssp_response_iu - This structure depicts the contents of the SSP + * RESPONSE INFORMATION UNIT. For specific information on each of these + * individual fields please reference the SAS specification SSP transport + * layer section. + * + * + */ +struct sci_ssp_response_iu { + u8 reserved0[8]; + + u8 retry_delay_timer[2]; + u8 data_present; + u8 status; + + u8 reserved1[4]; + u8 sense_data_length[4]; + u8 response_data_length[4]; + + u32 data[SSP_RESPONSE_IU_MAX_DATA]; + +}; + +/** + * enum _SCI_SAS_DATA_PRESENT_TYPE - This enumeration depicts the SAS + * specification defined SSP data present types in struct sci_ssp_response_iu. + * + * + */ +enum sci_ssp_response_iu_data_present_type { + SCI_SSP_RESPONSE_IU_NO_DATA = 0x00, + SCI_SSP_RESPONSE_IU_RESPONSE_DATA = 0x01, + SCI_SSP_RESPONSE_IU_SENSE_DATA = 0x02 +}; + +/** + * struct sci_ssp_frame_header - This structure depicts the contents of an SSP + * frame header. For specific information on the individual fields please + * reference the SAS specification transport layer SSP frame format. + * + * + */ +struct sci_ssp_frame_header { + /* Word 0 */ + u32 hashed_destination_address:24; + u32 frame_type:8; + + /* Word 1 */ + u32 hashed_source_address:24; + u32 reserved1_0:8; + + /* Word 2 */ + u32 reserved2_2:6; + u32 fill_bytes:2; + u32 reserved2_1:3; + u32 tlr_control:2; + u32 retry_data_frames:1; + u32 retransmit:1; + u32 changing_data_pointer:1; + u32 reserved2_0:16; + + /* Word 3 */ + u32 uiResv4; + + /* Word 4 */ + u16 target_port_transfer_tag; + u16 tag; + + /* Word 5 */ + u32 data_offset; + +}; + +/** + * struct smp_request_header - This structure defines the contents of an SMP + * Request header. + * + * For specific information on each of these individual fields please reference + * the SAS specification. + */ +struct smp_request_header { + u8 smp_frame_type; /* byte 0 */ + u8 function; /* byte 1 */ + u8 allocated_response_length; /* byte 2 */ + u8 request_length; /* byte 3 */ +}; + +/** + * struct smp_response_header - This structure depicts the contents of the SAS + * SMP DISCOVER RESPONSE frame. For specific information on each of these + * individual fields please reference the SAS specification Link layer + * section on address frames. + * + * + */ +struct smp_response_header { + u8 smp_frame_type; /* byte 0 */ + u8 function; /* byte 1 */ + u8 function_result; /* byte 2 */ + u8 response_length; /* byte 3 */ +}; + +/** + * struct smp_request_general - This structure defines the contents of an SMP + * Request that is comprised of the struct smp_request_header and a CRC. + * + * For specific information on each of these individual fields please reference + * the SAS specification. + */ +struct smp_request_general { + u32 crc; /* bytes 4-7 */ + +}; + +/** + * struct smp_request_phy_identifier - This structure defines the contents of + * an SMP Request that is comprised of the struct smp_request_header and a phy + * identifier. Examples: SMP_REQUEST_DISCOVER, SMP_REQUEST_REPORT_PHY_SATA. + * + * For specific information on each of these individual fields please reference + * the SAS specification. + */ +struct smp_request_phy_identifier { + u32 reserved_byte4_7; /* bytes 4-7 */ + + u32 ignore_zone_group:1; /* byte 8 */ + u32 reserved_byte8:7; + + u32 phy_identifier:8; /* byte 9 */ + u32 reserved_byte10:8; /* byte 10 */ + u32 reserved_byte11:8; /* byte 11 */ + +}; + +/** + * struct smp_request_configure_route_information - This structure defines the + * contents of an SMP Configure Route Information request. + * + * For specific information on each of these individual fields please reference + * the SAS specification. + */ +struct smp_request_configure_route_information { + u32 expected_expander_change_count:16; /* bytes 4-5 */ + u32 expander_route_index_high:8; + u32 expander_route_index:8; /* bytes 6-7 */ + + u32 reserved_byte8:8; /* bytes 8 */ + u32 phy_identifier:8; /* bytes 9 */ + u32 reserved_byte_10_11:16; /* bytes 10-11 */ + + u32 reserved_byte_12_bit_0_6:7; + u32 disable_route_entry:1; /* byte 12 */ + u32 reserved_byte_13_15:24; /* bytes 13-15 */ + + u32 routed_sas_address[2]; /* bytes 16-23 */ + u8 reserved_byte_24_39[16]; /* bytes 24-39 */ + +}; + +/** + * struct smp_request_phy_control - This structure defines the contents of an + * SMP Phy Controler request. + * + * For specific information on each of these individual fields please reference + * the SAS specification. + */ +struct smp_request_phy_control { + u16 expected_expander_change_count; /* byte 4-5 */ + + u16 reserved_byte_6_7; /* byte 6-7 */ + u8 reserved_byte_8; /* byte 8 */ + + u8 phy_identifier; /* byte 9 */ + u8 phy_operation; /* byte 10 */ + + u8 update_partial_pathway_timeout_value:1; + u8 reserved_byte_11_bit_1_7:7; /* byte 11 */ + + u8 reserved_byte_12_23[12]; /* byte 12-23 */ + + u8 attached_device_name[8]; /* byte 24-31 */ + + u8 reserved_byte_32_bit_3_0:4; /* byte 32 */ + u8 programmed_minimum_physical_link_rate:4; + + u8 reserved_byte_33_bit_3_0:4; /* byte 33 */ + u8 programmed_maximum_physical_link_rate:4; + + u16 reserved_byte_34_35; /* byte 34-35 */ + + u8 partial_pathway_timeout_value:4; + u8 reserved_byte_36_bit_4_7:4; /* byte 36 */ + + u16 reserved_byte_37_38; /* byte 37-38 */ + u8 reserved_byte_39; /* byte 39 */ + +}; + +/** + * struct smp_request_vendor_specific - This structure depicts the vendor + * specific space for SMP request. + * + * + */ + #define SMP_REQUEST_VENDOR_SPECIFIC_MAX_LENGTH 1016 +struct smp_request_vendor_specific { + u8 request_bytes[SMP_REQUEST_VENDOR_SPECIFIC_MAX_LENGTH]; +}; + +/** + * struct smp_request - This structure simply unionizes the existing request + * structures into a common request type. + * + * + */ +struct smp_request { + struct smp_request_header header; + + union { /* bytes 4-N */ + struct smp_request_general report_general; + struct smp_request_phy_identifier discover; + struct smp_request_general report_manufacturer_information; + struct smp_request_phy_identifier report_phy_sata; + struct smp_request_phy_control phy_control; + struct smp_request_phy_identifier report_phy_error_log; + struct smp_request_phy_identifier report_route_information; + struct smp_request_configure_route_information configure_route_information; + struct smp_request_vendor_specific vendor_specific_request; + } request; + +}; + + +/** + * struct smp_response_report_general - This structure depicts the SMP Report + * General for expander devices. It adheres to the SAS-2.1 specification. + * + * For specific information on each of these individual fields please reference + * the SAS specification Application layer section on SMP. + */ +struct smp_response_report_general { + u16 expander_change_count; /* byte 4-5 */ + u16 expander_route_indexes; /* byte 6-7 */ + + u32 reserved_byte8:7; /* byte 8 bit 0-6 */ + u32 long_response:1; /* byte 8 bit 7 */ + + u32 number_of_phys:8; /* byte 9 */ + + u32 configurable_route_table:1; /* byte 10 */ + u32 configuring:1; + u32 configures_others:1; + u32 open_reject_retry_supported:1; + u32 stp_continue_awt:1; + u32 self_configuring:1; + u32 zone_configuring:1; + u32 table_to_table_supported:1; + + u32 reserved_byte11:8; /* byte 11 */ + + u32 enclosure_logical_identifier_high; /* byte 12-15 */ + u32 enclosure_logical_identifier_low; /* byte 16-19 */ + + u32 reserved_byte20_23; + u32 reserved_byte24_27; + +}; + +struct smp_response_report_general_long { + struct smp_response_report_general sas1_1; + + struct { + u16 reserved1; + u16 stp_bus_inactivity_time_limit; + u16 stp_max_connect_time_limit; + u16 stp_smp_i_t_nexus_loss_time; + + u32 zoning_enabled:1; + u32 zoning_supported:1; + u32 physicaL_presence_asserted:1; + u32 zone_locked:1; + u32 reserved2:1; + u32 num_zone_groups:3; + u32 saving_zoning_enabled_supported:3; + u32 saving_zone_perms_table_supported:1; + u32 saving_zone_phy_info_supported:1; + u32 saving_zone_manager_password_supported:1; + u32 saving:1; + u32 reserved3:1; + u32 max_number_routed_sas_addresses:16; + + struct sci_sas_address active_zone_manager_sas_address; + + u16 zone_lock_inactivity_time_limit; + u16 reserved4; + + u8 reserved5; + u8 first_enclosure_connector_element_index; + u8 number_of_enclosure_connector_element_indices; + u8 reserved6; + + u32 reserved7:7; + u32 reduced_functionality:1; + u32 time_to_reduce_functionality:8; + u32 initial_time_to_reduce_functionality:8; + u8 max_reduced_functionality_time; + + u16 last_self_config_status_descriptor_index; + u16 max_number_of_stored_self_config_status_descriptors; + + u16 last_phy_event_list_descriptor_index; + u16 max_number_of_stored_phy_event_list_descriptors; + } sas2; + +}; + +/** + * struct smp_response_report_manufacturer_information - This structure depicts + * the SMP report manufacturer information for expander devices. It adheres + * to the SAS-2.1 specification. + * + * For specific information on each of these individual fields please reference + * the SAS specification Application layer section on SMP. + */ +struct smp_response_report_manufacturer_information { + u32 expander_change_count:16; /* bytes 4-5 */ + u32 reserved1:16; + + u32 sas1_1_format:1; + u32 reserved2:31; + + u8 vendor_id[8]; + u8 product_id[16]; + u8 product_revision_level[4]; + u8 component_vendor_id[8]; + u8 component_id[2]; + u8 component_revision_level; + u8 reserved3; + u8 vendor_specific[8]; + +}; + +#define SMP_RESPONSE_DISCOVER_FORMAT_1_1_SIZE 52 +#define SMP_RESPONSE_DISCOVER_FORMAT_2_SIZE 116 + +/** + * struct smp_discover_response_protocols - This structure depicts the discover + * response where the supported protocols by the remote phy are specified. + * + * For specific information on each of these individual fields please reference + * the SAS specification Link layer section on address frames. + */ +struct smp_discover_response_protocols { + union { + struct { + u16 attached_sata_host:1; + u16 attached_smp_initiator:1; + u16 attached_stp_initiator:1; + u16 attached_ssp_initiator:1; + u16 reserved3:4; + u16 attached_sata_device:1; + u16 attached_smp_target:1; + u16 attached_stp_target:1; + u16 attached_ssp_target:1; + u16 reserved4:3; + u16 attached_sata_port_selector:1; + } bits; + + u16 all; + } u; + +}; + +/** + * struct SMP_RESPONSE_DISCOVER_FORMAT - This structure defines the SMP phy + * discover response format. It handles both SAS1.1 and SAS 2 definitions. + * The unions indicate locations where the SAS specification versions differ + * from one another. + * + * + */ +struct smp_response_discover { + + union { + struct { + u8 reserved[2]; + } sas1_1; + + struct { + u16 expander_change_count; + } sas2; + + } u1; + + u8 reserved1[3]; + u8 phy_identifier; + u8 reserved2[2]; + + union { + struct { + u16 reserved1:4; + u16 attached_device_type:3; + u16 reserved2:1; + u16 negotiated_physical_link_rate:4; + u16 reserved3:4; + } sas1_1; + + struct { + u16 attached_reason:4; + u16 attached_device_type:3; + u16 reserved2:1; + u16 negotiated_logical_link_rate:4; + u16 reserved3:4; + } sas2; + + } u2; + + struct smp_discover_response_protocols protocols; + struct sci_sas_address sas_address; + struct sci_sas_address attached_sas_address; + + u8 attached_phy_identifier; + + union { + struct { + u8 reserved; + } sas1_1; + + struct { + u8 attached_break_reply_capable:1; + u8 attached_requested_inside_zpsds:1; + u8 attached_inside_zpsds_persistent:1; + u8 reserved1:5; + } sas2; + + } u3; + + u8 reserved_for_identify[6]; + + u32 hardware_min_physical_link_rate:4; + u32 programmed_min_physical_link_rate:4; + u32 hardware_max_physical_link_rate:4; + u32 programmed_max_physical_link_rate:4; + u32 phy_change_count:8; + u32 partial_pathway_timeout_value:4; + u32 reserved5:3; + u32 virtual_phy:1; + + u32 routing_attribute:4; + u32 reserved6:4; + u32 connector_type:7; + u32 reserved7:1; + u32 connector_element_index:8; + u32 connector_physical_link:8; + + u16 reserved8; + u16 vendor_specific; + + union { + struct { + /** + * In the SAS 1.1 specification this structure ends after 52 bytes. + * As a result, the contents of this field should never have a + * real value. It is undefined. + */ + u8 undefined[SMP_RESPONSE_DISCOVER_FORMAT_2_SIZE + - SMP_RESPONSE_DISCOVER_FORMAT_1_1_SIZE]; + } sas1_1; + + struct { + struct sci_sas_address attached_device_name; + + u32 zoning_enabled:1; + u32 inside_zpsds:1; + u32 zone_group_persistent:1; + u32 reserved1:1; + u32 requested_inside_zpsds:1; + u32 inside_zpsds_persistent:1; + u32 requested_inside_zpsds_changed_by_expander:1; + u32 reserved2:1; + u32 reserved_for_zoning_fields:16; + u32 zone_group:8; + + u8 self_configuration_status; + u8 self_configuration_levels_completed; + u16 reserved_for_self_config_fields; + + struct sci_sas_address self_configuration_sas_address; + + u32 programmed_phy_capabilities; + u32 current_phy_capabilities; + u32 attached_phy_capabilities; + + u32 reserved3; + + u32 reserved4:16; + u32 negotiated_physical_link_rate:4; + u32 reason:4; + u32 hardware_muxing_supported:1; + u32 negotiated_ssc:1; + u32 reserved5:6; + + u32 default_zoning_enabled:1; + u32 reserved6:1; + u32 default_zone_group_persistent:1; + u32 reserved7:1; + u32 default_requested_inside_zpsds:1; + u32 default_inside_zpsds_persistent:1; + u32 reserved8:2; + u32 reserved9:16; + u32 default_zone_group:8; + + u32 saved_zoning_enabled:1; + u32 reserved10:1; + u32 saved_zone_group_persistent:1; + u32 reserved11:1; + u32 saved_requested_inside_zpsds:1; + u32 saved_inside_zpsds_persistent:1; + u32 reserved12:18; + u32 saved_zone_group:8; + + u32 reserved14:2; + u32 shadow_zone_group_persistent:1; + u32 reserved15:1; + u32 shadow_requested_inside_zpsds:1; + u32 shadow_inside_zpsds_persistent:1; + u32 reserved16:18; + u32 shadow_zone_group:8; + + u8 device_slot_number; + u8 device_slot_group_number; + u8 device_slot_group_output_connector[6]; + } sas2; + + } u4; + +}; + +/** + * struct smp_response_report_phy_sata - This structure depicts the contents of + * the SAS SMP REPORT PHY SATA frame. For specific information on each of + * these individual fields please reference the SAS specification Link layer + * section on address frames. + * + * + */ +struct smp_response_report_phy_sata { + u32 ignored_byte_4_7; /* bytes 4-7 */ + + u32 affiliations_valid:1; + u32 affiliations_supported:1; + u32 reserved_byte11:6; /* byte 11 */ + u32 ignored_byte10:8; /* byte 10 */ + u32 phy_identifier:8; /* byte 9 */ + u32 reserved_byte_8:8; /* byte 8 */ + + u32 reserved_12_15; + u32 stp_sas_address[2]; + u8 device_to_host_fis[20]; + u32 reserved_44_47; + u32 affiliated_stp_initiator_sas_address[2]; + +}; + +struct smp_response_vendor_specific { + u8 response_bytes[SMP_REQUEST_VENDOR_SPECIFIC_MAX_LENGTH]; +}; + +union smp_response_body { + struct smp_response_report_general report_general; + struct smp_response_report_manufacturer_information report_manufacturer_information; + struct smp_response_discover discover; + struct smp_response_report_phy_sata report_phy_sata; + struct smp_response_vendor_specific vendor_specific_response; +}; + +/** + * struct smp_response - This structure simply unionizes the existing response + * structures into a common response type. + * + * + */ +struct smp_response { + struct smp_response_header header; + + union smp_response_body response; + +}; + +/* SMP Request Functions */ +#define SMP_FUNCTION_REPORT_GENERAL 0x00 +#define SMP_FUNCTION_REPORT_MANUFACTURER_INFORMATION 0x01 +#define SMP_FUNCTION_DISCOVER 0x10 +#define SMP_FUNCTION_REPORT_PHY_ERROR_LOG 0x11 +#define SMP_FUNCTION_REPORT_PHY_SATA 0x12 +#define SMP_FUNCTION_REPORT_ROUTE_INFORMATION 0X13 +#define SMP_FUNCTION_CONFIGURE_ROUTE_INFORMATION 0X90 +#define SMP_FUNCTION_PHY_CONTROL 0x91 +#define SMP_FUNCTION_PHY_TEST 0x92 + +#define SMP_FRAME_TYPE_REQUEST 0x40 +#define SMP_FRAME_TYPE_RESPONSE 0x41 + +#define PHY_OPERATION_NOP 0x00 +#define PHY_OPERATION_LINK_RESET 0x01 +#define PHY_OPERATION_HARD_RESET 0x02 +#define PHY_OPERATION_DISABLE 0x03 +#define PHY_OPERATION_CLEAR_ERROR_LOG 0x05 +#define PHY_OPERATION_CLEAR_AFFILIATION 0x06 + +#define NPLR_PHY_ENABLED_UNK_LINK_RATE 0x00 +#define NPLR_PHY_DISABLED 0x01 +#define NPLR_PHY_ENABLED_SPD_NEG_FAILED 0x02 +#define NPLR_PHY_ENABLED_SATA_HOLD 0x03 +#define NPLR_PHY_ENABLED_1_5G 0x08 +#define NPLR_PHY_ENABLED_3_0G 0x09 + +/* SMP Function Result values. */ +#define SMP_RESULT_FUNCTION_ACCEPTED 0x00 +#define SMP_RESULT_UNKNOWN_FUNCTION 0x01 +#define SMP_RESULT_FUNCTION_FAILED 0x02 +#define SMP_RESULT_INVALID_REQUEST_FRAME_LEN 0x03 +#define SMP_RESULT_INAVALID_EXPANDER_CHANGE_COUNT 0x04 +#define SMP_RESULT_BUSY 0x05 +#define SMP_RESULT_INCOMPLETE_DESCRIPTOR_LIST 0x06 +#define SMP_RESULT_PHY_DOES_NOT_EXIST 0x10 +#define SMP_RESULT_INDEX_DOES_NOT_EXIST 0x11 +#define SMP_RESULT_PHY_DOES_NOT_SUPPORT_SATA 0x12 +#define SMP_RESULT_UNKNOWN_PHY_OPERATION 0x13 +#define SMP_RESULT_UNKNOWN_PHY_TEST_FUNCTION 0x14 +#define SMP_RESULT_PHY_TEST_IN_PROGRESS 0x15 +#define SMP_RESULT_PHY_VACANT 0x16 + +/* Attached Device Types */ +#define SMP_NO_DEVICE_ATTACHED 0 +#define SMP_END_DEVICE_ONLY 1 +#define SMP_EDGE_EXPANDER_DEVICE 2 +#define SMP_FANOUT_EXPANDER_DEVICE 3 + +/* Expander phy routine attribute */ +#define DIRECT_ROUTING_ATTRIBUTE 0 +#define SUBTRACTIVE_ROUTING_ATTRIBUTE 1 +#define TABLE_ROUTING_ATTRIBUTE 2 + +#endif /* _INTEL_SAS_H_ */ + diff --git a/drivers/scsi/isci/core/intel_sat.h b/drivers/scsi/isci/core/intel_sat.h new file mode 100644 index 0000000..c4d78ed --- /dev/null +++ b/drivers/scsi/isci/core/intel_sat.h @@ -0,0 +1,95 @@ +/* + * This file is provided under a dual BSD/GPLv2 license. When using or + * redistributing this file, you may do so under either license. + * + * GPL LICENSE SUMMARY + * + * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * 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. + * + * 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 St - Fifth Floor, Boston, MA 02110-1301 USA. + * The full GNU General Public License is included in this distribution + * in the file called LICENSE.GPL. + * + * BSD LICENSE + * + * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 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 + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef _SAT_H_ +#define _SAT_H_ + +/** + * This file contains constants and constructs defined in the SCSI to ATA + * Translation (SAT) T10 standard. For more information please refer to + * www.t10.org. + * + * + */ + +/** + * + * + * SAT_PROTOCOLS These constants indicate the various protocol values that can + * be supported in a SAT translator. + */ +#define SAT_PROTOCOL_ATA_HARD_RESET 0 +#define SAT_PROTOCOL_SOFT_RESET 1 +#define SAT_PROTOCOL_NON_DATA 3 +#define SAT_PROTOCOL_PIO_DATA_IN 4 +#define SAT_PROTOCOL_PIO_DATA_OUT 5 +#define SAT_PROTOCOL_DMA 6 +#define SAT_PROTOCOL_DMA_QUEUED 7 +#define SAT_PROTOCOL_DEVICE_DIAGNOSTIC 8 +#define SAT_PROTOCOL_DEVICE_RESET 9 +#define SAT_PROTOCOL_UDMA_DATA_IN 10 +#define SAT_PROTOCOL_UDMA_DATA_OUT 11 +#define SAT_PROTOCOL_FPDMA 12 +#define SAT_PROTOCOL_RETURN_RESPONSE_INFO 15 + +#define SAT_PROTOCOL_PACKET 0x10 +#define SAT_PROTOCOL_PACKET_NON_DATA (SAT_PROTOCOL_PACKET | 0x0) +#define SAT_PROTOCOL_PACKET_DMA_DATA_IN (SAT_PROTOCOL_PACKET | 0x1) +#define SAT_PROTOCOL_PACKET_DMA_DATA_OUT (SAT_PROTOCOL_PACKET | 0x2) +#define SAT_PROTOCOL_PACKET_PIO_DATA_IN (SAT_PROTOCOL_PACKET | 0x3) +#define SAT_PROTOCOL_PACKET_PIO_DATA_OUT (SAT_PROTOCOL_PACKET | 0x4) + +#endif /* _SAT_H_ */ + diff --git a/drivers/scsi/isci/core/intel_sata.h b/drivers/scsi/isci/core/intel_sata.h new file mode 100644 index 0000000..47390d5 --- /dev/null +++ b/drivers/scsi/isci/core/intel_sata.h @@ -0,0 +1,280 @@ +/* + * This file is provided under a dual BSD/GPLv2 license. When using or + * redistributing this file, you may do so under either license. + * + * GPL LICENSE SUMMARY + * + * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * 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. + * + * 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 St - Fifth Floor, Boston, MA 02110-1301 USA. + * The full GNU General Public License is included in this distribution + * in the file called LICENSE.GPL. + * + * BSD LICENSE + * + * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 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 + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef _SATA_H_ +#define _SATA_H_ + +#include <linux/types.h> + +/** + * This file defines all of the SATA releated constants, enumerations, and + * types. Please note that this file does not necessarily contain an + * exhaustive list of all contants and commands. + * + * + */ + +/** + * + * + * SATA FIS Types These constants depict the various SATA FIS types devined in + * the serial ATA specification. + */ +#define SATA_FIS_TYPE_REGH2D 0x27 +#define SATA_FIS_TYPE_REGD2H 0x34 +#define SATA_FIS_TYPE_SETDEVBITS 0xA1 +#define SATA_FIS_TYPE_DMA_ACTIVATE 0x39 +#define SATA_FIS_TYPE_DMA_SETUP 0x41 +#define SATA_FIS_TYPE_BIST_ACTIVATE 0x58 +#define SATA_FIS_TYPE_PIO_SETUP 0x5F +#define SATA_FIS_TYPE_DATA 0x46 + +#define SATA_REGISTER_FIS_SIZE 0x20 + +/** + * struct sata_fis_header - This is the common definition for a SATA FIS Header + * word. A different header word is defined for any FIS type that does not + * use the standard header. + * + * + */ +struct sata_fis_header { + u32 fis_type:8; /* word 0 */ + u32 pm_port:4; + u32 reserved:1; + u32 direction_flag:1; /* direction */ + u32 interrupt_flag:1; + u32 command_flag:1; /* command, auto_activate, or notification */ + u32 status:8; + u32 error:8; +}; + + +/** + * struct sata_fis_reg_h2d - This is the definition for a SATA Host to Device + * Register FIS. + * + * + */ +struct sata_fis_reg_h2d { + u32 fis_type:8; /* word 0 */ + u32 pm_port:4; + u32 reserved0:3; + u32 command_flag:1; + u32 command:8; + u32 features:8; + u32 lba_low:8; /* word 1 */ + u32 lba_mid:8; + u32 lba_high:8; + u32 device:8; + u32 lba_low_exp:8; /* word 2 */ + u32 lba_mid_exp:8; + u32 lba_high_exp:8; + u32 features_exp:8; + u32 sector_count:8; /* word 3 */ + u32 sector_count_exp:8; + u32 reserved1:8; + u32 control:8; + u32 reserved2; /* word 4 */ +}; + +/** + * struct sata_fis_reg_d2h - SATA Device To Host FIS + * + * + */ +struct sata_fis_reg_d2h { + u32 fis_type:8; /* word 0 */ + u32 pm_port:4; + u32 reserved0:2; + u32 irq:1; + u32 reserved1:1; + u32 status:8; + u32 error:8; + u8 lba_low; /* word 1 */ + u8 lba_mid; + u8 lba_high; + u8 device; + u8 lba_low_exp; /* word 2 */ + u8 lba_mid_exp; + u8 lba_high_exp; + u8 reserved; + u8 sector_count; /* word 3 */ + u8 sector_count_exp; + u16 reserved2; + u32 reserved3; +}; + +/** + * + * + * Status field bit definitions + */ +#define SATA_FIS_STATUS_DEVBITS_MASK (0x77) + +/** + * struct sata_fis_set_dev_bits - SATA Set Device Bits FIS + * + * + */ +struct sata_fis_set_dev_bits { + u32 fis_type:8; /* word 0 */ + u32 pm_port:4; + u32 reserved0:2; + u32 irq:1; + u32 notification:1; + u32 status_low:4; + u32 status_high:4; + u32 error:8; + u32 s_active; /* word 1 */ +}; + +/** + * struct sata_fis_dma_activate - SATA DMA Activate FIS + * + * + */ +struct sata_fis_dma_activate { + u32 fis_type:8; /* word 0 */ + u32 pm_port:4; + u32 reserved0:24; +}; + +/** + * + * + * The lower 5 bits in the DMA Buffer ID Low field of the DMA Setup are used to + * communicate the command tag. + */ +#define SATA_DMA_SETUP_TAG_ENABLE 0x1F + +#define SATA_DMA_SETUP_AUTO_ACT_ENABLE 0x80 + +/** + * struct sata_fis_dma_setup - SATA DMA Setup FIS + * + * + */ +struct sata_fis_dma_setup { + u32 fis_type:8; /* word 0 */ + u32 pm_port:4; + u32 reserved_00:1; + u32 direction:1; + u32 irq:1; + u32 auto_activate:1; + u32 reserved_01:16; + u32 dma_buffer_id_low; /* word 1 */ + u32 dma_buffer_id_high; /* word 2 */ + u32 reserved0; /* word 3 */ + u32 dma_buffer_offset; /* word 4 */ + u32 dma_transfer_count; /* word 5 */ + u32 reserved1; /* word 6 */ +}; + +/** + * struct sata_fis_bist_activate - SATA BIST Activate FIS + * + * + */ +struct sata_fis_bist_activate { + u32 fis_type:8; /* word 0 */ + u32 reserved0:8; + u32 pattern_definition:8; + u32 reserved1:8; + u32 data1; /* word 1 */ + u32 data2; /* word 1 */ +}; + +/* + * SATA PIO Setup FIS + */ +struct sata_fis_pio_setup { + u32 fis_type:8; /* word 0 */ + u32 pm_port:4; + u32 reserved_00:1; + u32 direction:1; + u32 irq:1; + u32 reserved_01:1; + u32 status:8; + u32 error:8; + u32 lba_low:8; /* word 1 */ + u32 lba_mid:8; + u32 lba_high:8; + u32 device:8; + u32 lba_low_exp:8; /* word 2 */ + u32 lba_mid_exp:8; + u32 lba_high_exp:8; + u32 reserved:8; + u32 sector_count:8; /* word 3 */ + u32 sector_count_exp:8; + u32 reserved1:8; + u32 ending_status:8; + u32 transfter_count:16; /* word 4 */ + u32 reserved3:16; +}; + +/** + * struct sata_fis_data - SATA Data FIS + * + * + */ +struct sata_fis_data { + u32 fis_type:8; /* word 0 */ + u32 pm_port:4; + u32 reserved0:24; + u8 data[4]; /* word 1 */ +}; + +#endif /* _SATA_H_ */ diff --git a/drivers/scsi/isci/core/intel_scsi.h b/drivers/scsi/isci/core/intel_scsi.h new file mode 100644 index 0000000..1e45d3c --- /dev/null +++ b/drivers/scsi/isci/core/intel_scsi.h @@ -0,0 +1,474 @@ +/* + * This file is provided under a dual BSD/GPLv2 license. When using or + * redistributing this file, you may do so under either license. + * + * GPL LICENSE SUMMARY + * + * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * 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. + * + * 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 St - Fifth Floor, Boston, MA 02110-1301 USA. + * The full GNU General Public License is included in this distribution + * in the file called LICENSE.GPL. + * + * BSD LICENSE + * + * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 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 + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +/** + * This file defines all of the SCSI related constants, enumerations, and + * types. Please note that this file does not necessarily contain an + * exhaustive list of all constants, commands, sub-commands, etc. + * + * + */ + +#ifndef _SCSI_H__ +#define _SCSI_H__ + + +/* + * ****************************************************************************** + * * C O N S T A N T S A N D M A C R O S + * ****************************************************************************** */ + +/** + * enum _SCSI_TASK_MGMT_REQUEST_CODES - This enumberation contains the + * constants to be used for SCSI task management request codes. SAM does + * not specify any particular values for these codes so constants used here + * are the same as those specified in SAS. + * + * + */ +enum scsi_task_mgmt_request_codes { + SCSI_TASK_REQUEST_ABORT_TASK = 0x01, + SCSI_TASK_REQUEST_ABORT_TASK_SET = 0x02, + SCSI_TASK_REQUEST_CLEAR_TASK_SET = 0x04, + SCSI_TASK_REQUEST_LOGICAL_UNIT_RESET = 0x08, + SCSI_TASK_REQUEST_I_T_NEXUS_RESET = 0x10, + SCSI_TASK_REQUEST_CLEAR_ACA = 0x40, + SCSI_TASK_REQUEST_QUERY_TASK = 0x80, + SCSI_TASK_REQUEST_QUERY_TASK_SET = 0x81, + SCSI_TASK_REQUEST_QUERY_UNIT_ATTENTION = 0x82, + +}; + +/** + * enum _SCSI_TASK_MGMT_RESPONSE_CODES - This enumeration contains all of the + * SCSI task management response codes. + * + * + */ +enum scsi_task_mgmt_response_codes { + SCSI_TASK_MGMT_FUNC_COMPLETE = 0, + SCSI_INVALID_FRAME = 2, + SCSI_TASK_MGMT_FUNC_NOT_SUPPORTED = 4, + SCSI_TASK_MGMT_FUNC_FAILED = 5, + SCSI_TASK_MGMT_FUNC_SUCCEEDED = 8, + SCSI_INVALID_LUN = 9 +}; + +/** + * enum _SCSI_SENSE_RESPONSE_CODE - this enumeration depicts the types of sense + * data responses as per SPC-3. + * + * + */ +enum scsi_sense_response_code { + SCSI_FIXED_CURRENT_RESPONSE_CODE = 0x70, + SCSI_FIXED_DEFERRED_RESPONSE_CODE = 0x71, + SCSI_DESCRIPTOR_CURRENT_RESPONSE_CODE = 0x72, + SCSI_DESCRIPTOR_DEFERRED_RESPONSE_CODE = 0x73 + +}; + +/* + * This constant represents the valid bit located in byte 0 of a FIXED + * format sense data. */ +#define SCSI_FIXED_SENSE_DATA_VALID_BIT 0x80 + +#define SCSI_FIXED_SENSE_DATA_BASE_LENGTH 18 + +/* This value is used in the DATAPRES field of the SCSI Response IU. */ +#define SCSI_RESPONSE_DATA_PRES_SENSE_DATA 0x02 + +/** + * + * + * SCSI_SENSE_KEYS These constants delineate all of the SCSI protocol sense key + * constants + */ +#define SCSI_SENSE_NO_SENSE 0x00 +#define SCSI_SENSE_RECOVERED_ERROR 0x01 +#define SCSI_SENSE_NOT_READY 0x02 +#define SCSI_SENSE_MEDIUM_ERROR 0x03 +#define SCSI_SENSE_HARDWARE_ERROR 0x04 +#define SCSI_SENSE_ILLEGAL_REQUEST 0x05 +#define SCSI_SENSE_UNIT_ATTENTION 0x06 +#define SCSI_SENSE_DATA_PROTECT 0x07 +#define SCSI_SENSE_BLANK_CHECK 0x08 +#define SCSI_SENSE_VENDOR_SPECIFIC 0x09 +#define SCSI_SENSE_COPY_ABORTED 0x0A +#define SCSI_SENSE_ABORTED_COMMAND 0x0B +#define SCSI_SENSE_VOLUME_OVERFLOW 0x0D +#define SCSI_SENSE_MISCOMPARE 0x0E + +/** + * + * + * SCSI_ADDITIONAL_SENSE_CODES These constants delineate all of the SCSI + * protocol additional sense code constants. + */ +#define SCSI_ASC_NO_ADDITIONAL_SENSE 0x00 +#define SCSI_ASC_INITIALIZING_COMMAND_REQUIRED 0x04 +#define SCSI_ASC_LUN_SELF_TEST_IN_PROGRESS 0x04 +#define SCSI_ASC_LUN_FORMAT_IN_PROGRESS 0x04 +#define SCSI_ASC_LUN_NOT_RESPOND_TO_SELECTION 0x05 +#define SCSI_ASC_UNRECOVERED_READ_ERROR 0x11 +#define SCSI_ASC_INVALID_COMMAND_OPERATION_CODE 0x20 +#define SCSI_ASC_LBA_OUT_OF_RANGE 0x21 +#define SCSI_ASC_INVALID_FIELD_IN_CDB 0x24 +#define SCSI_ASC_INVALID_FIELD_IN_PARM_LIST 0x26 +#define SCSI_ASC_WRITE_PROTECTED 0x27 +#define SCSI_ASC_NOT_READY_TO_READY_CHANGE 0x28 +#define SCSI_ASC_SAVING_PARMS_NOT_SUPPORTED 0x39 +#define SCSI_ASC_MEDIUM_NOT_PRESENT 0x3A +#define SCSI_ASC_INTERNAL_TARGET_FAILURE 0x44 +#define SCSI_ASC_IU_CRC_ERROR_DETECTED 0x47 +#define SCSI_ASC_MEDIUM_REMOVAL_REQUEST 0x5A +#define SCSI_ASC_COMMAND_SEQUENCE_ERROR 0x2C +#define SCSI_ASC_MEDIA_LOAD_OR_EJECT_FAILED 0x53 +#define SCSI_ASC_HARDWARE_IMPENDING_FAILURE 0x5D +#define SCSI_ASC_POWER_STATE_CHANGE 0x5E +#define SCSI_DIAGNOSTIC_FAILURE_ON_COMPONENT 0x40 +#define SCSI_ASC_ATA_DEVICE_FEATURE_NOT_ENABLED 0x67 + +/** + * + * + * SCSI_ADDITIONAL_SENSE_CODE_QUALIFIERS This enumeration contains all of the + * used SCSI protocol additional sense code qualifier constants. + */ +#define SCSI_ASCQ_NO_ADDITIONAL_SENSE 0x00 +#define SCSI_ASCQ_INVALID_FIELD_IN_CDB 0x00 +#define SCSI_ASCQ_INVALID_FIELD_IN_PARM_LIST 0x00 +#define SCSI_ASCQ_LUN_NOT_RESPOND_TO_SELECTION 0x00 +#define SCSI_ASCQ_INTERNAL_TARGET_FAILURE 0x00 +#define SCSI_ASCQ_LBA_OUT_OF_RANGE 0x00 +#define SCSI_ASCQ_MEDIUM_NOT_PRESENT 0x00 +#define SCSI_ASCQ_NOT_READY_TO_READY_CHANGE 0x00 +#define SCSI_ASCQ_WRITE_PROTECTED 0x00 +#define SCSI_ASCQ_UNRECOVERED_READ_ERROR 0x00 +#define SCSI_ASCQ_SAVING_PARMS_NOT_SUPPORTED 0x00 +#define SCSI_ASCQ_INVALID_COMMAND_OPERATION_CODE 0x00 +#define SCSI_ASCQ_MEDIUM_REMOVAL_REQUEST 0x01 +#define SCSI_ASCQ_INITIALIZING_COMMAND_REQUIRED 0x02 +#define SCSI_ASCQ_IU_CRC_ERROR_DETECTED 0x03 +#define SCSI_ASCQ_LUN_FORMAT_IN_PROGRESS 0x04 +#define SCSI_ASCQ_LUN_SELF_TEST_IN_PROGRESS 0x09 +#define SCSI_ASCQ_GENERAL_HARD_DRIVE_FAILURE 0x10 +#define SCSI_ASCQ_IDLE_CONDITION_ACTIVATE_BY_COMMAND 0x03 +#define SCSI_ASCQ_STANDBY_CONDITION_ACTIVATE_BY_COMMAND 0x04 +#define SCSI_ASCQ_POWER_STATE_CHANGE_TO_IDLE 0x42 +#define SCSI_ASCQ_POWER_STATE_CHANGE_TO_STANDBY 0x43 +#define SCSI_ASCQ_ATA_DEVICE_FEATURE_NOT_ENABLED 0x0B +#define SCSI_ASCQ_UNRECOVERED_READ_ERROR_AUTO_REALLOCATE_FAIL 0x04 + + + +/** + * + * + * SCSI_STATUS_CODES These constants define all of the used SCSI status values. + */ +#define SCSI_STATUS_GOOD 0x00 +#define SCSI_STATUS_CHECK_CONDITION 0x02 +#define SCSI_STATUS_CONDITION_MET 0x04 +#define SCSI_STATUS_BUSY 0x08 +#define SCSI_STATUS_TASKFULL 0x28 +#define SCSI_STATUS_ACA 0x30 +#define SCSI_STATUS_ABORT 0x40 + +/** + * + * + * SCSI_OPERATION_CODES These constants delineate all of the SCSI + * command/operation codes. + */ +#define SCSI_INQUIRY 0x12 +#define SCSI_READ_CAPACITY_10 0x25 +#define SCSI_SERVICE_ACTION_IN_16 0x9E +#define SCSI_TEST_UNIT_READY 0x00 +#define SCSI_START_STOP_UNIT 0x1B +#define SCSI_SYNCHRONIZE_CACHE_10 0x35 +#define SCSI_SYNCHRONIZE_CACHE_16 0x91 +#define SCSI_REQUEST_SENSE 0x03 +#define SCSI_REPORT_LUNS 0xA0 +#define SCSI_REASSIGN_BLOCKS 0x07 +#define SCSI_READ_6 0x08 +#define SCSI_READ_10 0x28 +#define SCSI_READ_12 0xA8 +#define SCSI_READ_16 0x88 +#define SCSI_WRITE_6 0x0A +#define SCSI_WRITE_10 0x2A +#define SCSI_WRITE_12 0xAA +#define SCSI_WRITE_16 0x8A +#define SCSI_VERIFY_10 0x2F +#define SCSI_VERIFY_12 0xAF +#define SCSI_VERIFY_16 0x8F +#define SCSI_SEEK_6 0x01 +#define SCSI_SEEK_10 0x02 +#define SCSI_WRITE_VERIFY 0x2E +#define SCSI_FORMAT_UNIT 0x04 +#define SCSI_READ_BUFFER 0x3C +#define SCSI_WRITE_BUFFER 0x3B +#define SCSI_SEND_DIAGNOSTIC 0x1D +#define SCSI_RECEIVE_DIAGNOSTIC 0x1C +#define SCSI_MODE_SENSE_6 0x1A +#define SCSI_MODE_SENSE_10 0x5A +#define SCSI_MODE_SELECT_6 0x15 +#define SCSI_MODE_SELECT_10 0x55 +#define SCSI_MAINTENANCE_IN 0xA3 +#define SCSI_LOG_SENSE 0x4D +#define SCSI_LOG_SELECT 0x4C +#define SCSI_RESERVE_6 0x16 +#define SCSI_RESERVE_10 0x56 +#define SCSI_RELEASE_6 0x17 +#define SCSI_RELEASE_10 0x57 +#define SCSI_ATA_PASSTHRU_12 0xA1 +#define SCSI_ATA_PASSTHRU_16 0x85 +#define SCSI_WRITE_LONG_10 0x3F +#define SCSI_WRITE_LONG_16 0x9F +#define SCSI_PERSISTENT_RESERVE_IN 0x5E +#define SCSI_PERSISTENT_RESERVE_OUT 0x5F + +/** + * + * + * SCSI_SERVICE_ACTION_IN_CODES Service action in operations. + */ +#define SCSI_SERVICE_ACTION_IN_CODES_READ_CAPACITY_16 0x10 + +#define SCSI_SERVICE_ACTION_MASK 0x1f + +/** + * + * + * SCSI_MAINTENANCE_IN_SERVICE_ACTION_CODES MAINTENANCE IN service action codes. + */ +#define SCSI_REPORT_TASK_MGMT 0x0D +#define SCSI_REPORT_OP_CODES 0x0C + +/** + * + * + * SCSI_MODE_PAGE_CONTROLS These constants delineate all of the used SCSI Mode + * Page control values. + */ +#define SCSI_MODE_SENSE_PC_CURRENT 0x0 +#define SCSI_MODE_SENSE_PC_CHANGEABLE 0x1 +#define SCSI_MODE_SENSE_PC_DEFAULT 0x2 +#define SCSI_MODE_SENSE_PC_SAVED 0x3 + +#define SCSI_MODE_SENSE_PC_SHIFT 0x06 +#define SCSI_MODE_SENSE_PAGE_CODE_ENABLE 0x3F +#define SCSI_MODE_SENSE_DBD_ENABLE 0x08 +#define SCSI_MODE_SENSE_LLBAA_ENABLE 0x10 + +/** + * + * + * SCSI_MODE_PAGE_CODES These constants delineate all of the used SCSI Mode + * Page codes. + */ +#define SCSI_MODE_PAGE_READ_WRITE_ERROR 0x01 +#define SCSI_MODE_PAGE_DISCONNECT_RECONNECT 0x02 +#define SCSI_MODE_PAGE_CACHING 0x08 +#define SCSI_MODE_PAGE_CONTROL 0x0A +#define SCSI_MODE_PAGE_PROTOCOL_SPECIFIC_PORT 0x19 +#define SCSI_MODE_PAGE_POWER_CONDITION 0x1A +#define SCSI_MODE_PAGE_INFORMATIONAL_EXCP_CONTROL 0x1C +#define SCSI_MODE_PAGE_ALL_PAGES 0x3F + +#define SCSI_MODE_SENSE_ALL_SUB_PAGES_CODE 0xFF +#define SCSI_MODE_SENSE_NO_SUB_PAGES_CODE 0x0 +#define SCSI_MODE_SENSE_PROTOCOL_PORT_NUM_SUBPAGES 0x1 +#define SCSI_MODE_PAGE_CACHE_PAGE_WCE_BIT 0x04 +#define SCSI_MODE_PAGE_CACHE_PAGE_DRA_BIT 0x20 +#define SCSI_MODE_PAGE_DEXCPT_ENABLE 0x08 +#define SCSI_MODE_SENSE_HEADER_FUA_ENABLE 0x10 +#define SCSI_MODE_PAGE_POWER_CONDITION_STANDBY 0x1 +#define SCSI_MODE_PAGE_POWER_CONDITION_IDLE 0x2 + +#define SCSI_MODE_SENSE_6_HEADER_LENGTH 4 +#define SCSI_MODE_SENSE_10_HEADER_LENGTH 8 +#define SCSI_MODE_SENSE_STD_BLOCK_DESCRIPTOR_LENGTH 8 +#define SCSI_MODE_SENSE_LLBA_BLOCK_DESCRIPTOR_LENGTH 16 + +#define SCSI_MODE_PAGE_INFORMATIONAL_EXCP_DXCPT_ENABLE 0x08 +#define SCSI_MODE_PAGE_19_SAS_ID 0x6 +#define SCSI_MODE_PAGE_19_SUB1_PAGE_NUM 0x1 +#define SCSI_MODE_PAGE_19_SUB1_PC 0x59 + +#define SCSI_MODE_HEADER_MEDIUM_TYPE_SBC 0x00 + +/* Mode Select constrains related masks value */ +#define SCSI_MODE_SELECT_PF_BIT 0x1 +#define SCSI_MODE_SELECT_PF_MASK 0x10 +#define SCSI_MODE_SELECT_MODE_PAGE_MRIE_BYTE 0x6 +#define SCSI_MODE_SELECT_MODE_PAGE_MRIE_MASK 0x0F +#define SCSI_MODE_SELECT_MODE_PAGE_SPF_MASK 0x40 +#define SCSI_MODE_SELECT_MODE_PAGE_01_AWRE_MASK 0x80 +#define SCSI_MODE_SELECT_MODE_PAGE_01_ARRE_MASK 0x40 +#define SCSI_MODE_SELECT_MODE_PAGE_01_RC_ERBITS_MASK 0x1F +#define SCSI_MODE_SELECT_MODE_PAGE_08_FSW_LBCSS_NVDIS 0xC1 +#define SCSI_MODE_SELECT_MODE_PAGE_1C_PERF_TEST 0x84 +#define SCSI_MODE_SELECT_MODE_PAGE_0A_TST_TMF_RLEC 0xF1 +#define SCSI_MODE_SELECT_MODE_PAGE_0A_MODIFIER 0xF0 +#define SCSI_MODE_SELECT_MODE_PAGE_0A_UA_SWP 0x38 +#define SCSI_MODE_SELECT_MODE_PAGE_0A_TAS_AUTO 0x47 + + +#define SCSI_CONTROL_BYTE_NACA_BIT_ENABLE 0x04 +#define SCSI_MOVE_FUA_BIT_ENABLE 0x08 +#define SCSI_READ_CAPACITY_PMI_BIT_ENABLE 0x01 +#define SCSI_READ_CAPACITY_10_DATA_LENGTH 8 +#define SCSI_READ_CAPACITY_16_DATA_LENGTH 32 + +/* Inquiry constants */ +#define SCSI_INQUIRY_EVPD_ENABLE 0x01 +#define SCSI_INQUIRY_PAGE_CODE_OFFSET 0x02 +#define SCSI_INQUIRY_SUPPORTED_PAGES_PAGE 0x00 +#define SCSI_INQUIRY_UNIT_SERIAL_NUM_PAGE 0x80 +#define SCSI_INQUIRY_DEVICE_ID_PAGE 0x83 +#define SCSI_INQUIRY_ATA_INFORMATION_PAGE 0x89 +#define SCSI_INQUIRY_BLOCK_DEVICE_PAGE 0xB1 +#define SCSI_INQUIRY_BLOCK_DEVICE_LENGTH 0x3C +#define SCSI_INQUIRY_STANDARD_ALLOCATION_LENGTH 0x24 /* 36 */ + +#define SCSI_REQUEST_SENSE_ALLOCATION_LENGTH 0xFC /* 252 */ + +/** Defines the log page codes that are use in gathing Smart data + */ +#define SCSI_LOG_PAGE_SUPPORTED_PAGES 0x00 +#define SCSI_LOG_PAGE_INFORMATION_EXCEPTION 0x2F +#define SCSI_LOG_PAGE_SELF_TEST 0x10 + +/** + * + * + * SCSI_INQUIRY_VPD The following are constants used with vital product data + * inquiry pages. Values are already shifted into the proper nibble location. + */ +#define SCSI_PIV_ENABLE 0x80 +#define SCSI_LUN_ASSOCIATION 0x00 +#define SCSI_TARGET_PORT_ASSOCIATION 0x10 + +#define SCSI_VEN_UNIQUE_IDENTIFIER_TYPE 0x00 +#define SCSI_NAA_IDENTIFIER_TYPE 0x03 + +#define SCSI_T10_IDENTIFIER_TYPE 0x01 +#define SCSI_BINARY_CODE_SET 0x01 +#define SCSI_ASCII_CODE_SET 0x02 +#define SCSI_FC_PROTOCOL_IDENTIFIER 0x00 +#define SCSI_SAS_PROTOCOL_IDENTIFIER 0x60 + +#define SCSI_VERIFY_BYTCHK_ENABLED 0x02 + +#define SCSI_SYNCHRONIZE_CACHE_IMMED_ENABLED 0x02 +/** + * + * + * SCSI_START_STOP_UNIT_POWER_CONDITION_CODES The following are SCSI Start Stop + * Unit command Power Condition codes. + */ +#define SCSI_START_STOP_UNIT_POWER_CONDITION_START_VALID 0x0 +#define SCSI_START_STOP_UNIT_POWER_CONDITION_ACTIVE 0x1 +#define SCSI_START_STOP_UNIT_POWER_CONDITION_IDLE 0x2 +#define SCSI_START_STOP_UNIT_POWER_CONDITION_STANDBY 0x3 +#define SCSI_START_STOP_UNIT_POWER_CONDITION_LU_CONTROL 0x7 +#define SCSI_START_STOP_UNIT_POWER_CONDITION_FORCE_S_CONTROL 0xB + +#define SCSI_START_STOP_UNIT_IMMED_MASK 0x1 +#define SCSI_START_STOP_UNIT_IMMED_SHIFT 0 + +#define SCSI_START_STOP_UNIT_START_BIT_MASK 0x1 +#define SCSI_START_STOP_UNIT_START_BIT_SHIFT 0 + +#define SCSI_START_STOP_UNIT_LOEJ_BIT_MASK 0x2 +#define SCSI_START_STOP_UNIT_LOEJ_BIT_SHIFT 1 + +#define SCSI_START_STOP_UNIT_NO_FLUSH_MASK 0x4 +#define SCSI_START_STOP_UNIT_NO_FLUSH_SHIFT 2 + +#define SCSI_START_STOP_UNIT_POWER_CONDITION_MODIFIER_MASK 0xF +#define SCSI_START_STOP_UNIT_POWER_CONDITION_MODIFIER_SHIFT 0 + +#define SCSI_START_STOP_UNIT_POWER_CONDITION_MASK 0xF0 +#define SCSI_START_STOP_UNIT_POWER_CONDITION_SHIFT 4 + +#define SCSI_LOG_SENSE_PC_FIELD_MASK 0xC0 +#define SCSI_LOG_SENSE_PC_FIELD_SHIFT 6 + +#define SCSI_LOG_SENSE_PAGE_CODE_FIELD_MASK 0x3F +#define SCSI_LOG_SENSE_PAGE_CODE_FIELD_SHIFT 0 + +/** + * + * + * MRIE - Method of reporting informational exceptions codes + */ +#define NO_REPORTING_INFO_EXCEPTION_CONDITION 0x0 +#define ASYNCHRONOUS_EVENT_REPORTING 0x1 +#define ESTABLISH_UNIT_ATTENTION_CONDITION 0x2 +#define CONDITIONALLY_GENERATE_RECOVERED_ERROR 0x3 +#define UNCONDITIONALLY_GENERATE_RECOVERED_ERROR 0x4 +#define GENERATE_NO_SENSE 0x5 +#define REPORT_INFO_EXCEPTION_CONDITION_ON_REQUEST 0x6 + +#define SCSI_INFORMATION_EXCEPTION_DEXCPT_BIT 0x08 + +/* Reassign Blocks masks */ +#define SCSI_REASSIGN_BLOCKS_LONGLBA_BIT 0x02 +#define SCSI_REASSIGN_BLOCKS_LONGLIST_BIT 0x01 + +#endif /* _SCSI_H_ */ + diff --git a/drivers/scsi/isci/core/sati_device.h b/drivers/scsi/isci/core/sati_device.h new file mode 100644 index 0000000..4d1cfde --- /dev/null +++ b/drivers/scsi/isci/core/sati_device.h @@ -0,0 +1,156 @@ +/* + * This file is provided under a dual BSD/GPLv2 license. When using or + * redistributing this file, you may do so under either license. + * + * GPL LICENSE SUMMARY + * + * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * 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. + * + * 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 St - Fifth Floor, Boston, MA 02110-1301 USA. + * The full GNU General Public License is included in this distribution + * in the file called LICENSE.GPL. + * + * BSD LICENSE + * + * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 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 + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef _SATI_DEVICE_H_ +#define _SATI_DEVICE_H_ + +/** + * This file contains all of the defintions for the SATI remote device object. + * Some translations require information to be remembered on a per device + * basis. This information is stored in the object defined in this file. + * + * + */ + +#include "sati_types.h" +#include "intel_ata.h" + +/** + * enum _SATI_DEVICE_STATE - This enumeration depicts the various states + * possible for the a translation remote device object. + * + * + */ +enum sati_device_state { + SATI_DEVICE_STATE_OPERATIONAL, + SATI_DEVICE_STATE_STOPPED, + SATI_DEVICE_STATE_STANDBY, + SATI_DEVICE_STATE_IDLE, + SATI_DEVICE_STATE_DEVICE_FAULT_OCCURRED, + SATI_DEVICE_STATE_FORMAT_UNIT_IN_PROGRESS, + SATI_DEVICE_STATE_SELF_TEST_IN_PROGRESS, + SATI_DEVICE_STATE_SEQUENCE_INCOMPLETE, + SATI_DEVICE_STATE_UNIT_ATTENTION_CONDITION + +}; + +/** + * + * + * SATI_DEVICE_CAPABILITIES These constants define the various capabilities + * that a remote device may support for which there is an impact on translation. + */ +#define SATI_DEVICE_CAP_UDMA_ENABLE 0x00000001 +#define SATI_DEVICE_CAP_NCQ_REQUESTED_ENABLE 0x00000002 +#define SATI_DEVICE_CAP_NCQ_SUPPORTED_ENABLE 0x00000004 +#define SATI_DEVICE_CAP_48BIT_ENABLE 0x00000008 +#define SATI_DEVICE_CAP_DMA_FUA_ENABLE 0x00000010 +#define SATI_DEVICE_CAP_SMART_SUPPORT 0x00000020 +#define SATI_DEVICE_CAP_REMOVABLE_MEDIA 0x00000040 +#define SATI_DEVICE_CAP_SMART_ENABLE 0x00000080 +#define SATI_DEVICE_CAP_WRITE_UNCORRECTABLE_ENABLE 0x00000100 +#define SATI_DEVICE_CAP_MULTIPLE_SECTORS_PER_PHYSCIAL_SECTOR 0x00000200 +#define SATI_DEVICE_CAP_SMART_SELF_TEST_SUPPORT 0x00000400 + + +/** + * struct sati_device - The SATI_DEVICE structure define the state of the + * remote device with respect to translation. + * + * + */ +struct sati_device { + /** + * This field simply dictates the state of the SATI device. + */ + enum sati_device_state state; + + /** + * This field indicates features supported by the remote device that + * impact translation execution. + */ + u16 capabilities; + + /** + * This field indicates the depth of the native command queue supported + * by the device. + */ + u8 ncq_depth; + + /** + * This field stores the additional sense code for a unit attention + * condition. + */ + u8 unit_attention_asc; + + /** + * This field indicates the additional sense code qualifier for a unit + * attention condition. + */ + u8 unit_attention_ascq; + +}; + +void sati_device_construct( + struct sati_device *device, + bool is_ncq_enabled, + u8 max_ncq_depth); + +void sati_device_update_capabilities( + struct sati_device *device, + struct ata_identify_device_data *identify); + +#endif /* _SATI_TRANSLATOR_SEQUENCE_H_ */ + diff --git a/drivers/scsi/isci/core/sati_translator_sequence.h b/drivers/scsi/isci/core/sati_translator_sequence.h new file mode 100644 index 0000000..592570d --- /dev/null +++ b/drivers/scsi/isci/core/sati_translator_sequence.h @@ -0,0 +1,304 @@ +/* + * This file is provided under a dual BSD/GPLv2 license. When using or + * redistributing this file, you may do so under either license. + * + * GPL LICENSE SUMMARY + * + * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * 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. + * + * 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 St - Fifth Floor, Boston, MA 02110-1301 USA. + * The full GNU General Public License is included in this distribution + * in the file called LICENSE.GPL. + * + * BSD LICENSE + * + * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 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 + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef _SATI_TRANSLATOR_SEQUENCE_H_ +#define _SATI_TRANSLATOR_SEQUENCE_H_ + +/** + * This file contains all of the defintions for the SATI translator sequence. + * A translator sequence is simply a defintion for the various sequences of + * commands that occur in this translator. + * + * + */ + +#include "sati_device.h" + +/** + * enum _SATI_TRANSLATOR_SEQUENCE_TYPE - This enumeration defines the possible + * sequence types for the translator. + * + * + */ +enum sati_translator_sequence_type { + /* SCSI Primary Command (SPC) sequences. */ + SATI_SEQUENCE_REPORT_LUNS, + SATI_SEQUENCE_TEST_UNIT_READY, + SATI_SEQUENCE_INQUIRY_STANDARD, + SATI_SEQUENCE_INQUIRY_SUPPORTED_PAGES, + SATI_SEQUENCE_INQUIRY_SERIAL_NUMBER, + SATI_SEQUENCE_INQUIRY_DEVICE_ID, + SATI_SEQUENCE_INQUIRY_BLOCK_DEVICE, + SATI_SEQUENCE_MODE_SENSE_6_CACHING, + SATI_SEQUENCE_MODE_SENSE_6_INFORMATIONAL_EXCP_CONTROL, + SATI_SEQUENCE_MODE_SENSE_6_READ_WRITE_ERROR, + SATI_SEQUENCE_MODE_SENSE_6_DISCONNECT_RECONNECT, + SATI_SEQUENCE_MODE_SENSE_6_CONTROL, + SATI_SEQUENCE_MODE_SENSE_6_ALL_PAGES, + SATI_SEQUENCE_MODE_SENSE_10_CACHING, + SATI_SEQUENCE_MODE_SENSE_10_INFORMATIONAL_EXCP_CONTROL, + SATI_SEQUENCE_MODE_SENSE_10_READ_WRITE_ERROR, + SATI_SEQUENCE_MODE_SENSE_10_DISCONNECT_RECONNECT, + SATI_SEQUENCE_MODE_SENSE_10_CONTROL, + SATI_SEQUENCE_MODE_SENSE_10_ALL_PAGES, + SATI_SEQUENCE_MODE_SELECT_MODE_PAGE_CACHING, + SATI_SEQUENCE_MODE_SELECT_MODE_POWER_CONDITION, + SATI_SEQUENCE_MODE_SELECT_MODE_INFORMATION_EXCEPT_CONTROL, + + /* Log Sense Sequences */ + SATI_SEQUENCE_LOG_SENSE_SELF_TEST_LOG_PAGE, + SATI_SEQUENCE_LOG_SENSE_EXTENDED_SELF_TEST_LOG_PAGE, + SATI_SEQUENCE_LOG_SENSE_SUPPORTED_LOG_PAGE, + SATI_SEQUENCE_LOG_SENSE_INFO_EXCEPTION_LOG_PAGE, + + /* SCSI Block Command (SBC) sequences. */ + + SATI_SEQUENCE_READ_6, + SATI_SEQUENCE_READ_10, + SATI_SEQUENCE_READ_12, + SATI_SEQUENCE_READ_16, + + SATI_SEQUENCE_READ_CAPACITY_10, + SATI_SEQUENCE_READ_CAPACITY_16, + + SATI_SEQUENCE_SYNCHRONIZE_CACHE, + + SATI_SEQUENCE_VERIFY_10, + SATI_SEQUENCE_VERIFY_12, + SATI_SEQUENCE_VERIFY_16, + + SATI_SEQUENCE_WRITE_6, + SATI_SEQUENCE_WRITE_10, + SATI_SEQUENCE_WRITE_12, + SATI_SEQUENCE_WRITE_16, + + SATI_SEQUENCE_START_STOP_UNIT, + + SATI_SEQUENCE_REASSIGN_BLOCKS, + + /* SCSI Task Requests sequences */ + + SATI_SEQUENCE_LUN_RESET, + + SATI_SEQUENCE_REQUEST_SENSE_SMART_RETURN_STATUS, + SATI_SEQUENCE_REQUEST_SENSE_CHECK_POWER_MODE, + + SATI_SEQUENCE_WRITE_LONG + +}; + +#define SATI_SEQUENCE_TYPE_READ_MIN SATI_SEQUENCE_READ_6 +#define SATI_SEQUENCE_TYPE_READ_MAX SATI_SEQUENCE_READ_16 + +/** + * + * + * SATI_SEQUENCE_STATES These constants depict the various state values + * associated with a translation sequence. + */ +#define SATI_SEQUENCE_STATE_INITIAL 0 +#define SATI_SEQUENCE_STATE_TRANSLATE_DATA 1 +#define SATI_SEQUENCE_STATE_AWAIT_RESPONSE 2 +#define SATI_SEQUENCE_STATE_FINAL 3 +#define SATI_SEQUENCE_STATE_INCOMPLETE 4 + +/** + * + * + * SATI_DATA_DIRECTIONS These constants depict the various types of data + * directions for a translation sequence. Data can flow in/out (read/write) or + * no data at all. + */ +#define SATI_DATA_DIRECTION_NONE 0 +#define SATI_DATA_DIRECTION_IN 1 +#define SATI_DATA_DIRECTION_OUT 2 + +/** + * struct SATI_MODE_SELECT_PROCESSING_STATE - This structure contains all of + * the current processing states for processing mode select 6 and 10 + * commands' parameter fields. + * + * + */ +typedef struct SATI_MODE_SELECT_PROCESSING_STATE { + u8 *mode_pages; + u32 mode_page_offset; + u32 mode_pages_size; + u32 size_of_data_processed; + u32 total_ata_command_sent; + u32 ata_command_sent_for_cmp; /* cmp: current mode page */ + bool current_mode_page_processed; + +} SATI_MODE_SELECT_PROCESSING_STATE_T; + + +enum SATI_REASSIGN_BLOCKS_ATA_COMMAND_STATUS { + SATI_REASSIGN_BLOCKS_READY_TO_SEND, + SATI_REASSIGN_BLOCKS_COMMAND_FAIL, + SATI_REASSIGN_BLOCKS_COMMAND_SUCCESS, +}; + +/** + * struct sati_reassign_blocks_processing_state - This structure contains all + * of the current processing states for processing reassign block command's + * parameter fields. + * + * + */ +struct sati_reassign_blocks_processing_state { + u32 lba_offset; + u32 block_lists_size; + u8 lba_size; + u32 size_of_data_processed; + u32 ata_command_sent_for_current_lba; + bool current_lba_processed; + enum SATI_REASSIGN_BLOCKS_ATA_COMMAND_STATUS ata_command_status; + +}; + +#define SATI_ATAPI_REQUEST_SENSE_CDB_LENGTH 12 + +/** + * struct sati_atapi_data - The SATI_ATAPI_DATA structure is for sati atapi IO + * specific data. + * + * + */ +struct sati_atapi_data { + u8 request_sense_cdb[SATI_ATAPI_REQUEST_SENSE_CDB_LENGTH]; +}; + +/** + * struct sati_translator_sequence - This structure contains all of the + * translation information associated with a particular request. + * + * + */ +struct sati_translator_sequence { + /** + * This field contains the sequence type determined by the SATI. + */ + u8 type; + + /** + * This field indicates the current state for the sequence. + */ + u8 state; + + /** + * This field indicates the data direction (none, read, or write) for + * the translated request. + */ + u8 data_direction; + + /** + * This field contains the SATA/ATA protocol to be utilized during + * the IO transfer. + */ + u8 protocol; + + /** + * This field is utilized for sequences requiring data translation. + * It specifies the amount of data requested by the caller from the + * operation. It's necessary, because at times the user requests less + * data than is available. Thus, we need to avoid overrunning the + * buffer. + */ + u32 allocation_length; + + /** + * This field specifies the amount of data that will actually be + * transfered across the wire for this ATA request. + */ + u32 ata_transfer_length; + + /** + * This field specifies the amount of data bytes that have been + * set in a translation sequence. It will be incremented every time + * a data byte has been set by a sati translation. + */ + u16 number_data_bytes_set; + + /** + * This field indicates whether or not the sense response has been set + * by the translation sequence. + */ + bool is_sense_response_set; + + /** + * This field specifies the remote device context for which this + * translator sequence is destined. + */ + struct sati_device *device; + + /** + * This field is utilized to provide the translator with memory space + * required for translations that utilize multiple requests. + */ + union { + u32 translated_command; + u32 move_sector_count; + u32 scratch; + struct sati_reassign_blocks_processing_state reassign_blocks_process_state; + SATI_MODE_SELECT_PROCESSING_STATE_T process_state; + struct sati_atapi_data sati_atapi_data; + } command_specific_data; + +}; + + + +#endif /* _SATI_TRANSLATOR_SEQUENCE_H_ */ + diff --git a/drivers/scsi/isci/core/sati_types.h b/drivers/scsi/isci/core/sati_types.h new file mode 100644 index 0000000..b6159e0 --- /dev/null +++ b/drivers/scsi/isci/core/sati_types.h @@ -0,0 +1,145 @@ +/* + * This file is provided under a dual BSD/GPLv2 license. When using or + * redistributing this file, you may do so under either license. + * + * GPL LICENSE SUMMARY + * + * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * 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. + * + * 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 St - Fifth Floor, Boston, MA 02110-1301 USA. + * The full GNU General Public License is included in this distribution + * in the file called LICENSE.GPL. + * + * BSD LICENSE + * + * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 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 + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef _SATI_TYPES_H_ +#define _SATI_TYPES_H_ + +/** + * This file contains various type definitions to be utilized with SCSI to ATA + * Translation Implementation. + * + * + */ + +/** + * enum _SATI_STATUS - This enumeration defines the possible return values from + * the SATI translation methods. + * + * + */ +enum sati_status { + /** + * This indicates that the translation was supported and occurred + * without error. + */ + SATI_SUCCESS, + + /** + * This indicates that the translation was supported, occurred without + * error, and no additional translation is necessary. This is done in + * conditions where the SCSI command doesn't require any interaction with + * the remote device. + */ + SATI_COMPLETE, + + /** + * This indicated everything SATI_COMPLETE does in addition to the response data + * not using all the memory allocated by the OS. + */ + SATI_COMPLETE_IO_DONE_EARLY, + + /** + * This indicates that translator sequence has finished some specific + * command in the sequence, but additional commands are necessary. + */ + SATI_SEQUENCE_INCOMPLETE, + + /** + * This indicates a general failure has occurred for which no further + * specification information is available. + */ + SATI_FAILURE, + + /** + * This indicates that the result of the IO request indicates a + * failure. The caller should reference the corresponding response + * data for further details. + */ + SATI_FAILURE_CHECK_RESPONSE_DATA, + + /** + * This status indicates that the supplied sequence type doesn't map + * to an existing definition. + */ + SATI_FAILURE_INVALID_SEQUENCE_TYPE, + + /** + * This status indicates that the supplied sequence state doesn't match + * the operation being requested by the user. + */ + SATI_FAILURE_INVALID_STATE + +}; + +#if (!defined(DISABLE_SATI_MODE_SENSE) \ + || !defined(DISABLE_SATI_MODE_SELECT) \ + || !defined(DISABLE_SATI_REQUEST_SENSE)) \ + +#if !defined(ENABLE_SATI_MODE_PAGES) +/** + * + * + * This macro enables the common mode page data structures and code. Currently, + * MODE SENSE, MODE SELECT, and REQUEST SENSE all make reference to this common + * code. As a result, enable the common mode page code if any of these 3 are + * being translated. + */ +#define ENABLE_SATI_MODE_PAGES +#endif /* !defined(ENABLE_SATI_MODE_PAGES) */ + +#endif /* MODE_SENSE/SELECT/REQUEST_SENSE */ + +#endif /* _SATI_TYPES_H_ */ + diff --git a/drivers/scsi/isci/core/sci_pool.h b/drivers/scsi/isci/core/sci_pool.h new file mode 100644 index 0000000..c0d2ea3 --- /dev/null +++ b/drivers/scsi/isci/core/sci_pool.h @@ -0,0 +1,199 @@ +/* + * This file is provided under a dual BSD/GPLv2 license. When using or + * redistributing this file, you may do so under either license. + * + * GPL LICENSE SUMMARY + * + * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * 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. + * + * 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 St - Fifth Floor, Boston, MA 02110-1301 USA. + * The full GNU General Public License is included in this distribution + * in the file called LICENSE.GPL. + * + * BSD LICENSE + * + * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 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 + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +/** + * This file contains the interface to the pool class. This class allows two + * different two different priority tasks to insert and remove items from + * the free pool. The user of the pool is expected to evaluate the pool + * condition empty before a get operation and pool condition full before a + * put operation. Methods Provided: - sci_pool_create() - + * sci_pool_initialize() - sci_pool_empty() - sci_pool_full() - + * sci_pool_get() - sci_pool_put() + * + * + */ + +#ifndef _SCI_POOL_H_ +#define _SCI_POOL_H_ + +/** + * SCI_POOL_INCREMENT() - + * + * Private operation for the pool + */ +#define SCI_POOL_INCREMENT(this_pool, index) \ + (((index) + 1) == (this_pool).size ? 0 : (index) + 1) + +/** + * SCI_POOL_CREATE() - + * + * This creates a pool structure of pool_name. The members in the pool are of + * type with number of elements equal to size. + */ +#define SCI_POOL_CREATE(pool_name, type, pool_size) \ + struct \ + { \ + u32 size; \ + u32 get; \ + u32 put; \ + type array[(pool_size) + 1]; \ + } pool_name + + +/** + * sci_pool_empty() - + * + * This macro evaluates the pool and returns true if the pool is empty. If the + * pool is empty the user should not perform any get operation on the pool. + */ +#define sci_pool_empty(this_pool) \ + ((this_pool).get == (this_pool).put) + +/** + * sci_pool_full() - + * + * This macro evaluates the pool and returns true if the pool is full. If the + * pool is full the user should not perform any put operation. + */ +#define sci_pool_full(this_pool) \ + (SCI_POOL_INCREMENT(this_pool, (this_pool).put) == (this_pool).get) + +/** + * sci_pool_size() - + * + * This macro returns the size of the pool created. The internal size of the + * pool is actually 1 larger then necessary in order to ensure get and put + * pointers can be written simultaneously by different users. As a result, + * this macro subtracts 1 from the internal size + */ +#define sci_pool_size(this_pool) \ + ((this_pool).size - 1) + +/** + * sci_pool_count() - + * + * This macro indicates the number of elements currently contained in the pool. + */ +#define sci_pool_count(this_pool) \ + (\ + sci_pool_empty((this_pool)) \ + ? 0 \ + : (\ + sci_pool_full((this_pool)) \ + ? sci_pool_size((this_pool)) \ + : (\ + (this_pool).get > (this_pool).put \ + ? ((this_pool).size - (this_pool).get + (this_pool).put) \ + : ((this_pool).put - (this_pool).get) \ + ) \ + ) \ + ) + +/** + * sci_pool_initialize() - + * + * This macro initializes the pool to an empty condition. + */ +#define sci_pool_initialize(this_pool) \ + { \ + (this_pool).size = (sizeof((this_pool).array) / sizeof((this_pool).array[0])); \ + (this_pool).get = 0; \ + (this_pool).put = 0; \ + } + +/** + * sci_pool_get() - + * + * This macro will get the next free element from the pool. This should only be + * called if the pool is not empty. + */ +#define sci_pool_get(this_pool, my_value) \ + { \ + (my_value) = (this_pool).array[(this_pool).get]; \ + (this_pool).get = SCI_POOL_INCREMENT((this_pool), (this_pool).get); \ + } + +/** + * sci_pool_put() - + * + * This macro will put the value into the pool. This should only be called if + * the pool is not full. + */ +#define sci_pool_put(this_pool, the_value) \ + { \ + (this_pool).array[(this_pool).put] = (the_value); \ + (this_pool).put = SCI_POOL_INCREMENT((this_pool), (this_pool).put); \ + } + +/** + * sci_pool_erase() - + * + * This macro will search the pool and remove any elements in the pool matching + * the supplied value. This method can only be utilized on pools + */ +#define sci_pool_erase(this_pool, type, the_value) \ + { \ + type tmp_value; \ + u32 index; \ + u32 element_count = sci_pool_count((this_pool)); \ + \ + for (index = 0; index < element_count; index++) { \ + sci_pool_get((this_pool), tmp_value); \ + if (tmp_value != (the_value)) \ + sci_pool_put((this_pool), tmp_value); \ + } \ + } + +#endif /* _SCI_POOL_H_ */ diff --git a/drivers/scsi/isci/core/sci_status.h b/drivers/scsi/isci/core/sci_status.h new file mode 100644 index 0000000..72b6108 --- /dev/null +++ b/drivers/scsi/isci/core/sci_status.h @@ -0,0 +1,409 @@ +/* + * This file is provided under a dual BSD/GPLv2 license. When using or + * redistributing this file, you may do so under either license. + * + * GPL LICENSE SUMMARY + * + * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * 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. + * + * 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 St - Fifth Floor, Boston, MA 02110-1301 USA. + * The full GNU General Public License is included in this distribution + * in the file called LICENSE.GPL. + * + * BSD LICENSE + * + * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 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 + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef _SCI_STATUS_H_ +#define _SCI_STATUS_H_ + +/** + * This file contains all of the return status codes utilized across the + * various sub-components in SCI. + * + * + */ + + +/** + * enum _SCI_STATUS - This is the general return status enumeration for non-IO, + * non-task management related SCI interface methods. + * + * + */ +enum sci_status { + /** + * This member indicates successful completion. + */ + SCI_SUCCESS = 0, + + /** + * This value indicates that the calling method completed successfully, + * but that the IO may have completed before having it's start method + * invoked. This occurs during SAT translation for requests that do + * not require an IO to the target or for any other requests that may + * be completed without having to submit IO. + */ + SCI_SUCCESS_IO_COMPLETE_BEFORE_START, + + /** + * This Value indicates that the SCU hardware returned an early response + * because the io request specified more data than is returned by the + * target device (mode pages, inquiry data, etc.). The completion routine + * will handle this case to get the actual number of bytes transferred. + */ + SCI_SUCCESS_IO_DONE_EARLY, + + /** + * This member indicates that the object for which a state change is + * being requested is already in said state. + */ + SCI_WARNING_ALREADY_IN_STATE, + + /** + * This member indicates interrupt coalescence timer may cause SAS + * specification compliance issues (i.e. SMP target mode response + * frames must be returned within 1.9 milliseconds). + */ + SCI_WARNING_TIMER_CONFLICT, + + /** + * This field indicates a sequence of action is not completed yet. Mostly, + * this status is used when multiple ATA commands are needed in a SATI translation. + */ + SCI_WARNING_SEQUENCE_INCOMPLETE, + + /** + * This member indicates that there was a general failure. + */ + SCI_FAILURE, + + /** + * This member indicates that the SCI implementation is unable to complete + * an operation due to a critical flaw the prevents any further operation + * (i.e. an invalid pointer). + */ + SCI_FATAL_ERROR, + + /** + * This member indicates the calling function failed, because the state + * of the controller is in a state that prevents successful completion. + */ + SCI_FAILURE_INVALID_STATE, + + /** + * This member indicates the calling function failed, because there is + * insufficient resources/memory to complete the request. + */ + SCI_FAILURE_INSUFFICIENT_RESOURCES, + + /** + * This member indicates the calling function failed, because the + * controller object required for the operation can't be located. + */ + SCI_FAILURE_CONTROLLER_NOT_FOUND, + + /** + * This member indicates the calling function failed, because the + * discovered controller type is not supported by the library. + */ + SCI_FAILURE_UNSUPPORTED_CONTROLLER_TYPE, + + /** + * This member indicates the calling function failed, because the + * requested initialization data version isn't supported. + */ + SCI_FAILURE_UNSUPPORTED_INIT_DATA_VERSION, + + /** + * This member indicates the calling function failed, because the + * requested configuration of SAS Phys into SAS Ports is not supported. + */ + SCI_FAILURE_UNSUPPORTED_PORT_CONFIGURATION, + + /** + * This member indicates the calling function failed, because the + * requested protocol is not supported by the remote device, port, + * or controller. + */ + SCI_FAILURE_UNSUPPORTED_PROTOCOL, + + /** + * This member indicates the calling function failed, because the + * requested information type is not supported by the SCI implementation. + */ + SCI_FAILURE_UNSUPPORTED_INFORMATION_TYPE, + + /** + * This member indicates the calling function failed, because the + * device already exists. + */ + SCI_FAILURE_DEVICE_EXISTS, + + /** + * This member indicates the calling function failed, because adding + * a phy to the object is not possible. + */ + SCI_FAILURE_ADDING_PHY_UNSUPPORTED, + + /** + * This member indicates the calling function failed, because the + * requested information type is not supported by the SCI implementation. + */ + SCI_FAILURE_UNSUPPORTED_INFORMATION_FIELD, + + /** + * This member indicates the calling function failed, because the SCI + * implementation does not support the supplied time limit. + */ + SCI_FAILURE_UNSUPPORTED_TIME_LIMIT, + + /** + * This member indicates the calling method failed, because the SCI + * implementation does not contain the specified Phy. + */ + SCI_FAILURE_INVALID_PHY, + + /** + * This member indicates the calling method failed, because the SCI + * implementation does not contain the specified Port. + */ + SCI_FAILURE_INVALID_PORT, + + /** + * This member indicates the calling method was partly successful + * The port was reset but not all phys in port are operational + */ + SCI_FAILURE_RESET_PORT_PARTIAL_SUCCESS, + + /** + * This member indicates that calling method failed + * The port reset did not complete because none of the phys are operational + */ + SCI_FAILURE_RESET_PORT_FAILURE, + + /** + * This member indicates the calling method failed, because the SCI + * implementation does not contain the specified remote device. + */ + SCI_FAILURE_INVALID_REMOTE_DEVICE, + + /** + * This member indicates the calling method failed, because the remote + * device is in a bad state and requires a reset. + */ + SCI_FAILURE_REMOTE_DEVICE_RESET_REQUIRED, + + /** + * This member indicates the calling method failed, because the SCI + * implementation does not contain or support the specified IO tag. + */ + SCI_FAILURE_INVALID_IO_TAG, + + /** + * This member indicates that the operation failed and the user should + * check the response data associated with the IO. + */ + SCI_FAILURE_IO_RESPONSE_VALID, + + /** + * This member indicates that the operation failed, the failure is + * controller implementation specific, and the response data associated + * with the request is not valid. You can query for the controller + * specific error information via scic_controller_get_request_status() + */ + SCI_FAILURE_CONTROLLER_SPECIFIC_IO_ERR, + + /** + * This member indicated that the operation failed because the + * user requested this IO to be terminated. + */ + SCI_FAILURE_IO_TERMINATED, + + /** + * This member indicates that the operation failed and the associated + * request requires a SCSI abort task to be sent to the target. + */ + SCI_FAILURE_IO_REQUIRES_SCSI_ABORT, + + /** + * This member indicates that the operation failed because the supplied + * device could not be located. + */ + SCI_FAILURE_DEVICE_NOT_FOUND, + + /** + * This member indicates that the operation failed because the + * objects association is required and is not correctly set. + */ + SCI_FAILURE_INVALID_ASSOCIATION, + + /** + * This member indicates that the operation failed, because a timeout + * occurred. + */ + SCI_FAILURE_TIMEOUT, + + /** + * This member indicates that the operation failed, because the user + * specified a value that is either invalid or not supported. + */ + SCI_FAILURE_INVALID_PARAMETER_VALUE, + + /** + * This value indicates that the operation failed, because the number + * of messages (MSI-X) is not supported. + */ + SCI_FAILURE_UNSUPPORTED_MESSAGE_COUNT, + + /** + * This value indicates that the method failed due to a lack of + * available NCQ tags. + */ + SCI_FAILURE_NO_NCQ_TAG_AVAILABLE, + + /** + * This value indicates that a protocol violation has occurred on the + * link. + */ + SCI_FAILURE_PROTOCOL_VIOLATION, + + /** + * This value indicates a failure condition that retry may help to clear. + */ + SCI_FAILURE_RETRY_REQUIRED, + + /** + * This field indicates the retry limit was reached when a retry is attempted + */ + SCI_FAILURE_RETRY_LIMIT_REACHED, + + /** + * This member indicates the calling method was partly successful. + * Mostly, this status is used when a LUN_RESET issued to an expander attached + * STP device in READY NCQ substate needs to have RNC suspended/resumed + * before posting TC. + */ + SCI_FAILURE_RESET_DEVICE_PARTIAL_SUCCESS, + + /** + * This field indicates an illegal phy connection based on the routing attribute + * of both expander phy attached to each other. + */ + SCI_FAILURE_ILLEGAL_ROUTING_ATTRIBUTE_CONFIGURATION, + + /** + * This field indicates a CONFIG ROUTE INFO command has a response with function result + * INDEX DOES NOT EXIST, usually means exceeding max route index. + */ + SCI_FAILURE_EXCEED_MAX_ROUTE_INDEX, + + /** + * This value indicates that an unsupported PCI device ID has been + * specified. This indicates that attempts to invoke + * scic_library_allocate_controller() will fail. + */ + SCI_FAILURE_UNSUPPORTED_PCI_DEVICE_ID + +}; + +/** + * enum _SCI_IO_STATUS - This enumeration depicts all of the possible IO + * completion status values. Each value in this enumeration maps directly + * to a value in the enum sci_status enumeration. Please refer to that + * enumeration for detailed comments concerning what the status represents. + * + * Add the API to retrieve the SCU status from the core. Check to see that the + * following status are properly handled: - SCI_IO_FAILURE_UNSUPPORTED_PROTOCOL + * - SCI_IO_FAILURE_INVALID_IO_TAG + */ +enum sci_io_status { + SCI_IO_SUCCESS = SCI_SUCCESS, + SCI_IO_FAILURE = SCI_FAILURE, + SCI_IO_SUCCESS_COMPLETE_BEFORE_START = SCI_SUCCESS_IO_COMPLETE_BEFORE_START, + SCI_IO_SUCCESS_IO_DONE_EARLY = SCI_SUCCESS_IO_DONE_EARLY, + SCI_IO_FAILURE_INVALID_STATE = SCI_FAILURE_INVALID_STATE, + SCI_IO_FAILURE_INSUFFICIENT_RESOURCES = SCI_FAILURE_INSUFFICIENT_RESOURCES, + SCI_IO_FAILURE_UNSUPPORTED_PROTOCOL = SCI_FAILURE_UNSUPPORTED_PROTOCOL, + SCI_IO_FAILURE_RESPONSE_VALID = SCI_FAILURE_IO_RESPONSE_VALID, + SCI_IO_FAILURE_CONTROLLER_SPECIFIC_ERR = SCI_FAILURE_CONTROLLER_SPECIFIC_IO_ERR, + SCI_IO_FAILURE_TERMINATED = SCI_FAILURE_IO_TERMINATED, + SCI_IO_FAILURE_REQUIRES_SCSI_ABORT = SCI_FAILURE_IO_REQUIRES_SCSI_ABORT, + SCI_IO_FAILURE_INVALID_PARAMETER_VALUE = SCI_FAILURE_INVALID_PARAMETER_VALUE, + SCI_IO_FAILURE_NO_NCQ_TAG_AVAILABLE = SCI_FAILURE_NO_NCQ_TAG_AVAILABLE, + SCI_IO_FAILURE_PROTOCOL_VIOLATION = SCI_FAILURE_PROTOCOL_VIOLATION, + + SCI_IO_FAILURE_REMOTE_DEVICE_RESET_REQUIRED = SCI_FAILURE_REMOTE_DEVICE_RESET_REQUIRED, + + SCI_IO_FAILURE_RETRY_REQUIRED = SCI_FAILURE_RETRY_REQUIRED, + SCI_IO_FAILURE_RETRY_LIMIT_REACHED = SCI_FAILURE_RETRY_LIMIT_REACHED, + SCI_IO_FAILURE_INVALID_REMOTE_DEVICE = SCI_FAILURE_INVALID_REMOTE_DEVICE +}; + +/** + * enum _SCI_TASK_STATUS - This enumeration depicts all of the possible task + * completion status values. Each value in this enumeration maps directly + * to a value in the enum sci_status enumeration. Please refer to that + * enumeration for detailed comments concerning what the status represents. + * + * Check to see that the following status are properly handled: + */ +enum sci_task_status { + SCI_TASK_SUCCESS = SCI_SUCCESS, + SCI_TASK_FAILURE = SCI_FAILURE, + SCI_TASK_FAILURE_INVALID_STATE = SCI_FAILURE_INVALID_STATE, + SCI_TASK_FAILURE_INSUFFICIENT_RESOURCES = SCI_FAILURE_INSUFFICIENT_RESOURCES, + SCI_TASK_FAILURE_UNSUPPORTED_PROTOCOL = SCI_FAILURE_UNSUPPORTED_PROTOCOL, + SCI_TASK_FAILURE_INVALID_TAG = SCI_FAILURE_INVALID_IO_TAG, + SCI_TASK_FAILURE_RESPONSE_VALID = SCI_FAILURE_IO_RESPONSE_VALID, + SCI_TASK_FAILURE_CONTROLLER_SPECIFIC_ERR = SCI_FAILURE_CONTROLLER_SPECIFIC_IO_ERR, + SCI_TASK_FAILURE_TERMINATED = SCI_FAILURE_IO_TERMINATED, + SCI_TASK_FAILURE_INVALID_PARAMETER_VALUE = SCI_FAILURE_INVALID_PARAMETER_VALUE, + + SCI_TASK_FAILURE_REMOTE_DEVICE_RESET_REQUIRED = SCI_FAILURE_REMOTE_DEVICE_RESET_REQUIRED, + SCI_TASK_FAILURE_RESET_DEVICE_PARTIAL_SUCCESS = SCI_FAILURE_RESET_DEVICE_PARTIAL_SUCCESS + +}; + + +#endif /* _SCI_STATUS_H_ */ + diff --git a/drivers/scsi/isci/core/sci_util.c b/drivers/scsi/isci/core/sci_util.c new file mode 100644 index 0000000..cb3e9f7 --- /dev/null +++ b/drivers/scsi/isci/core/sci_util.c @@ -0,0 +1,101 @@ +/* + * This file is provided under a dual BSD/GPLv2 license. When using or + * redistributing this file, you may do so under either license. + * + * GPL LICENSE SUMMARY + * + * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * 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. + * + * 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 St - Fifth Floor, Boston, MA 02110-1301 USA. + * The full GNU General Public License is included in this distribution + * in the file called LICENSE.GPL. + * + * BSD LICENSE + * + * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 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 + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include <linux/kernel.h> +#include "sci_util.h" +#include "sci_environment.h" + +void scic_word_copy_with_swap( + u32 *destination, + u32 *source, + u32 word_count) +{ + while (word_count--) { + *destination = SCIC_SWAP_DWORD(*source); + + source++; + destination++; + } +} + +void *scic_request_get_virt_addr(struct scic_sds_request *sci_req, dma_addr_t phys_addr) +{ + struct isci_request *ireq = sci_object_get_association(sci_req); + dma_addr_t offset; + + BUG_ON(phys_addr < ireq->request_daddr); + + offset = phys_addr - ireq->request_daddr; + + BUG_ON(offset >= ireq->request_alloc_size); + + return (char *)ireq + offset; +} + +dma_addr_t scic_io_request_get_dma_addr(struct scic_sds_request *sds_request, + void *virt_addr) +{ + struct isci_request *isci_request = + (struct isci_request *)sci_object_get_association(sds_request); + + char *requested_addr = (char *)virt_addr; + char *base_addr = (char *)isci_request; + + BUG_ON(requested_addr < base_addr); + BUG_ON((requested_addr - base_addr) >= + isci_request->request_alloc_size); + + return isci_request->request_daddr + (requested_addr - base_addr); +} diff --git a/drivers/scsi/isci/core/sci_util.h b/drivers/scsi/isci/core/sci_util.h new file mode 100644 index 0000000..b6f43e2 --- /dev/null +++ b/drivers/scsi/isci/core/sci_util.h @@ -0,0 +1,108 @@ +/* + * This file is provided under a dual BSD/GPLv2 license. When using or + * redistributing this file, you may do so under either license. + * + * GPL LICENSE SUMMARY + * + * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * 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. + * + * 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 St - Fifth Floor, Boston, MA 02110-1301 USA. + * The full GNU General Public License is included in this distribution + * in the file called LICENSE.GPL. + * + * BSD LICENSE + * + * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 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 + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef _SCI_UTIL_H_ +#define _SCI_UTIL_H_ + +#include <linux/string.h> +#include "scic_sds_request.h" + +/** + * SCIC_SWAP_DWORD() - + * + * Normal byte swap macro + */ +#define SCIC_SWAP_DWORD(x) \ + (\ + (((x) >> 24) & 0x000000FF) \ + | (((x) >> 8) & 0x0000FF00) \ + | (((x) << 8) & 0x00FF0000) \ + | (((x) << 24) & 0xFF000000) \ + ) + +#define SCIC_BUILD_DWORD(char_buffer) \ + (\ + ((char_buffer)[0] << 24) \ + | ((char_buffer)[1] << 16) \ + | ((char_buffer)[2] << 8) \ + | ((char_buffer)[3]) \ + ) + +#define SCI_FIELD_OFFSET(type, field) ((unsigned long)&(((type *)0)->field)) + + +#define sci_cb_make_physical_address(physical_addr, addr_upper, addr_lower) \ + ((physical_addr) = (addr_lower) | ((u64)addr_upper) << 32) + +/** + * scic_word_copy_with_swap() - Copy the data from source to destination and + * swap the bytes during the copy. + * @destination: This parameter specifies the destination address to which the + * data is to be copied. + * @source: This parameter specifies the source address from which data is to + * be copied. + * @word_count: This parameter specifies the number of 32-bit words to copy and + * byte swap. + * + */ +void scic_word_copy_with_swap(u32 *destination, u32 *source, u32 word_count); + +void *scic_request_get_virt_addr(struct scic_sds_request *sds_request, + dma_addr_t phys_addr); + +dma_addr_t scic_io_request_get_dma_addr(struct scic_sds_request *sds_request, + void *virt_addr); + +#endif /* _SCI_UTIL_H_ */ diff --git a/drivers/scsi/isci/core/scic_config_parameters.h b/drivers/scsi/isci/core/scic_config_parameters.h new file mode 100644 index 0000000..485fefc --- /dev/null +++ b/drivers/scsi/isci/core/scic_config_parameters.h @@ -0,0 +1,346 @@ +/* + * This file is provided under a dual BSD/GPLv2 license. When using or + * redistributing this file, you may do so under either license. + * + * GPL LICENSE SUMMARY + * + * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * 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. + * + * 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 St - Fifth Floor, Boston, MA 02110-1301 USA. + * The full GNU General Public License is included in this distribution + * in the file called LICENSE.GPL. + * + * BSD LICENSE + * + * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 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 + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef _SCIC_SDS_USER_PARAMETERS_H_ +#define _SCIC_SDS_USER_PARAMETERS_H_ + +/** + * This file contains all of the structure definitions and interface methods + * that can be called by a SCIC user on the SCU Driver Standard + * (struct scic_sds_user_parameters) user parameter block. + * + * + */ + + +#include "sci_status.h" +#include "intel_sas.h" +#include "sci_controller_constants.h" + +struct scic_sds_controller; + +/** + * + * + * SCIC_SDS_PARM_PHY_SPEED These constants define the speeds utilized for a + * phy/port. + */ +#define SCIC_SDS_PARM_NO_SPEED 0 + +/** + * + * + * This value of 1 indicates generation 1 (i.e. 1.5 Gb/s). + */ +#define SCIC_SDS_PARM_GEN1_SPEED 1 + +/** + * + * + * This value of 2 indicates generation 2 (i.e. 3.0 Gb/s). + */ +#define SCIC_SDS_PARM_GEN2_SPEED 2 + +/** + * + * + * This value of 3 indicates generation 3 (i.e. 6.0 Gb/s). + */ +#define SCIC_SDS_PARM_GEN3_SPEED 3 + +/** + * + * + * For range checks, the max speed generation + */ +#define SCIC_SDS_PARM_MAX_SPEED SCIC_SDS_PARM_GEN3_SPEED + +/** + * struct scic_sds_user_parameters - This structure delineates the various user + * parameters that can be changed by the core user. + * + * + */ +struct scic_sds_user_parameters { + struct sci_phy_user_params { + /** + * This field specifies the NOTIFY (ENABLE SPIN UP) primitive + * insertion frequency for this phy index. + */ + u32 notify_enable_spin_up_insertion_frequency; + + /** + * This method specifies the number of transmitted DWORDs within which + * to transmit a single ALIGN primitive. This value applies regardless + * of what type of device is attached or connection state. A value of + * 0 indicates that no ALIGN primitives will be inserted. + */ + u16 align_insertion_frequency; + + /** + * This method specifies the number of transmitted DWORDs within which + * to transmit 2 ALIGN primitives. This applies for SAS connections + * only. A minimum value of 3 is required for this field. + */ + u16 in_connection_align_insertion_frequency; + + /** + * This field indicates the maximum speed generation to be utilized + * by phys in the supplied port. + * - A value of 1 indicates generation 1 (i.e. 1.5 Gb/s). + * - A value of 2 indicates generation 2 (i.e. 3.0 Gb/s). + * - A value of 3 indicates generation 3 (i.e. 6.0 Gb/s). + */ + u8 max_speed_generation; + + } phys[SCI_MAX_PHYS]; + + /** + * This field specifies the maximum number of direct attached devices + * that can have power supplied to them simultaneously. + */ + u8 max_number_concurrent_device_spin_up; + + /** + * This field specifies the number of seconds to allow a phy to consume + * power before yielding to another phy. + * + */ + u8 phy_spin_up_delay_interval; + + /** + * These timer values specifies how long a link will remain open with no + * activity in increments of a microsecond, it can be in increments of + * 100 microseconds if the upper most bit is set. + * + */ + u16 stp_inactivity_timeout; + u16 ssp_inactivity_timeout; + + /** + * These timer values specifies how long a link will remain open in increments + * of 100 microseconds. + * + */ + u16 stp_max_occupancy_timeout; + u16 ssp_max_occupancy_timeout; + + /** + * This timer value specifies how long a link will remain open with no + * outbound traffic in increments of a microsecond. + * + */ + u8 no_outbound_task_timeout; + +}; + +/** + * This structure/union specifies the various different user parameter sets + * available. Each type is specific to a hardware controller version. + * + * union scic_user_parameters + */ +union scic_user_parameters { + /** + * This field specifies the user parameters specific to the + * Storage Controller Unit (SCU) Driver Standard (SDS) version + * 1. + */ + struct scic_sds_user_parameters sds1; + +}; + + +/** + * + * + * SCIC_SDS_OEM_PHY_MASK These constants define the valid values for phy_mask + */ + +/** + * + * + * This is the min value assignable to a port's phy mask + */ +#define SCIC_SDS_PARM_PHY_MASK_MIN 0x0 + +/** + * + * + * This is the max value assignable to a port's phy mask + */ +#define SCIC_SDS_PARM_PHY_MASK_MAX 0xF + +/** + * struct scic_sds_oem_parameters - This structure delineates the various OEM + * parameters that must be set the core user. + * + * + */ +struct scic_sds_oem_parameters { + struct { + /** + * This field indicates whether Spread Spectrum Clocking (SSC) + * should be enabled or disabled. + */ + bool do_enable_ssc; + + } controller; + + struct { + /** + * This field specifies the phys to be contained inside a port. + * The bit position in the mask specifies the index of the phy + * to be contained in the port. Multiple bits (i.e. phys) + * can be contained in a single port. + */ + u8 phy_mask; + + } ports[SCI_MAX_PORTS]; + + struct sci_phy_oem_params { + /** + * This field specifies the SAS address to be transmitted on + * for this phy index. + */ + struct sci_sas_address sas_address; + + } phys[SCI_MAX_PHYS]; + +}; + +/** + * This structure/union specifies the various different OEM parameter sets + * available. Each type is specific to a hardware controller version. + * + * union scic_oem_parameters + */ +union scic_oem_parameters { + /** + * This field specifies the OEM parameters specific to the + * Storage Controller Unit (SCU) Driver Standard (SDS) version + * 1. + */ + struct scic_sds_oem_parameters sds1; + +}; + +/** + * scic_user_parameters_set() - This method allows the user to attempt to + * change the user parameters utilized by the controller. + * @controller: This parameter specifies the controller on which to set the + * user parameters. + * @user_parameters: This parameter specifies the USER_PARAMETERS object + * containing the potential new values. + * + * Indicate if the update of the user parameters was successful. SCI_SUCCESS + * This value is returned if the operation succeeded. SCI_FAILURE_INVALID_STATE + * This value is returned if the attempt to change the user parameter failed, + * because changing one of the parameters is not currently allowed. + * SCI_FAILURE_INVALID_PARAMETER_VALUE This value is returned if the user + * supplied an invalid interrupt coalescence time, spin up delay interval, etc. + */ +enum sci_status scic_user_parameters_set( + struct scic_sds_controller *controller, + union scic_user_parameters *user_parameters); + +/** + * scic_user_parameters_get() - This method allows the user to retrieve the + * user parameters utilized by the controller. + * @controller: This parameter specifies the controller on which to set the + * user parameters. + * @user_parameters: This parameter specifies the USER_PARAMETERS object into + * which the framework shall save it's parameters. + * + */ +void scic_user_parameters_get( + struct scic_sds_controller *controller, + union scic_user_parameters *user_parameters); + +/** + * scic_oem_parameters_set() - This method allows the user to attempt to change + * the OEM parameters utilized by the controller. + * @controller: This parameter specifies the controller on which to set the + * user parameters. + * @oem_parameters: This parameter specifies the OEM parameters object + * containing the potential new values. + * + * Indicate if the update of the user parameters was successful. SCI_SUCCESS + * This value is returned if the operation succeeded. SCI_FAILURE_INVALID_STATE + * This value is returned if the attempt to change the user parameter failed, + * because changing one of the parameters is not currently allowed. + * SCI_FAILURE_INVALID_PARAMETER_VALUE This value is returned if the user + * supplied an unsupported value for one of the OEM parameters. + */ +enum sci_status scic_oem_parameters_set( + struct scic_sds_controller *controller, + union scic_oem_parameters *oem_parameters); + +/** + * scic_oem_parameters_get() - This method allows the user to retreive the OEM + * parameters utilized by the controller. + * @controller: This parameter specifies the controller on which to set the + * user parameters. + * @oem_parameters: This parameter specifies the OEM parameters object in which + * to write the core's OEM parameters. + * + */ +void scic_oem_parameters_get( + struct scic_sds_controller *controller, + union scic_oem_parameters *oem_parameters); + + +#endif /* _SCIC_SDS_USER_PARAMETERS_H_ */ + diff --git a/drivers/scsi/isci/core/scic_sds_pci.h b/drivers/scsi/isci/core/scic_sds_pci.h new file mode 100644 index 0000000..bf0cbca --- /dev/null +++ b/drivers/scsi/isci/core/scic_sds_pci.h @@ -0,0 +1,94 @@ +/* + * This file is provided under a dual BSD/GPLv2 license. When using or + * redistributing this file, you may do so under either license. + * + * GPL LICENSE SUMMARY + * + * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * 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. + * + * 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 St - Fifth Floor, Boston, MA 02110-1301 USA. + * The full GNU General Public License is included in this distribution + * in the file called LICENSE.GPL. + * + * BSD LICENSE + * + * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 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 + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef _SCIC_SDS_PCI_H_ +#define _SCIC_SDS_PCI_H_ + +/** + * This file contains the prototypes/macros utilized in writing out PCI data + * for the SCI core. + * + * + */ + +#include <asm/io.h> + +struct scic_sds_controller; + +void scic_sds_pci_bar_initialization(struct scic_sds_controller *scic); + +/* for debug we separate scu and smu accesses and require a controller */ +static inline u32 scic_sds_pci_read_smu_dword(struct scic_sds_controller *scic, void __iomem *addr) +{ + return readl(addr); +} + +static inline void scic_sds_pci_write_smu_dword(struct scic_sds_controller *scic, void __iomem *addr, u32 value) +{ + writel(value, addr); +} + +static inline u32 scic_sds_pci_read_scu_dword(struct scic_sds_controller *scic, void __iomem *addr) +{ + return readl(addr); +} + +static inline void scic_sds_pci_write_scu_dword(struct scic_sds_controller *scic, void __iomem *addr, u32 value) +{ + writel(value, addr); +} + + +#endif /* _SCIC_SDS_PCI_H_ */ -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html