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Brooklyn/include/scsi/osd_sense.h
Scare Crowe 2a709f28fa Auto exploit mitigation feature 
* 0day explit mitigation
* Memory corruption prevention
* Privilege escalation prevention
* Buffer over flow prevention
* File System corruption defense
* Thread escape prevention

This may very well be the most intensive inclusion to BrooklynR. This will not be part of an x86 suite nor it will be released as tool kit. The security core toolkit will remain part of kernel base.
2021-11-13 09:26:51 +05:00

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/*
* osd_sense.h - OSD Related sense handling definitions.
*
* Copyright (C) 2008 Panasas Inc. All rights reserved.
*
* Authors:
* Boaz Harrosh <ooo@electrozaur.com>
* Benny Halevy <bhalevy@panasas.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2
*
* This file contains types and constants that are defined by the protocol
* Note: All names and symbols are taken from the OSD standard's text.
*/
#ifndef __OSD_SENSE_H__
#define __OSD_SENSE_H__
#include <scsi/osd_protocol.h>
/* SPC3r23 4.5.6 Sense key and sense code definitions table 27 */
enum scsi_sense_keys {
scsi_sk_no_sense = 0x0,
scsi_sk_recovered_error = 0x1,
scsi_sk_not_ready = 0x2,
scsi_sk_medium_error = 0x3,
scsi_sk_hardware_error = 0x4,
scsi_sk_illegal_request = 0x5,
scsi_sk_unit_attention = 0x6,
scsi_sk_data_protect = 0x7,
scsi_sk_blank_check = 0x8,
scsi_sk_vendor_specific = 0x9,
scsi_sk_copy_aborted = 0xa,
scsi_sk_aborted_command = 0xb,
scsi_sk_volume_overflow = 0xd,
scsi_sk_miscompare = 0xe,
scsi_sk_reserved = 0xf,
};
/* SPC3r23 4.5.6 Sense key and sense code definitions table 28 */
/* Note: only those which can be returned by an OSD target. Most of
* these errors are taken care of by the generic scsi layer.
*/
enum osd_additional_sense_codes {
scsi_no_additional_sense_information = 0x0000,
scsi_operation_in_progress = 0x0016,
scsi_cleaning_requested = 0x0017,
scsi_lunr_cause_not_reportable = 0x0400,
scsi_logical_unit_is_in_process_of_becoming_ready = 0x0401,
scsi_lunr_initializing_command_required = 0x0402,
scsi_lunr_manual_intervention_required = 0x0403,
scsi_lunr_operation_in_progress = 0x0407,
scsi_lunr_selftest_in_progress = 0x0409,
scsi_luna_asymmetric_access_state_transition = 0x040a,
scsi_luna_target_port_in_standby_state = 0x040b,
scsi_luna_target_port_in_unavailable_state = 0x040c,
scsi_lunr_notify_enable_spinup_required = 0x0411,
scsi_logical_unit_does_not_respond_to_selection = 0x0500,
scsi_logical_unit_communication_failure = 0x0800,
scsi_logical_unit_communication_timeout = 0x0801,
scsi_logical_unit_communication_parity_error = 0x0802,
scsi_error_log_overflow = 0x0a00,
scsi_warning = 0x0b00,
scsi_warning_specified_temperature_exceeded = 0x0b01,
scsi_warning_enclosure_degraded = 0x0b02,
scsi_write_error_unexpected_unsolicited_data = 0x0c0c,
scsi_write_error_not_enough_unsolicited_data = 0x0c0d,
scsi_invalid_information_unit = 0x0e00,
scsi_invalid_field_in_command_information_unit = 0x0e03,
scsi_read_error_failed_retransmission_request = 0x1113,
scsi_parameter_list_length_error = 0x1a00,
scsi_invalid_command_operation_code = 0x2000,
scsi_invalid_field_in_cdb = 0x2400,
osd_security_audit_value_frozen = 0x2404,
osd_security_working_key_frozen = 0x2405,
osd_nonce_not_unique = 0x2406,
osd_nonce_timestamp_out_of_range = 0x2407,
scsi_logical_unit_not_supported = 0x2500,
scsi_invalid_field_in_parameter_list = 0x2600,
scsi_parameter_not_supported = 0x2601,
scsi_parameter_value_invalid = 0x2602,
scsi_invalid_release_of_persistent_reservation = 0x2604,
osd_invalid_dataout_buffer_integrity_check_value = 0x260f,
scsi_not_ready_to_ready_change_medium_may_have_changed = 0x2800,
scsi_power_on_reset_or_bus_device_reset_occurred = 0x2900,
scsi_power_on_occurred = 0x2901,
scsi_scsi_bus_reset_occurred = 0x2902,
scsi_bus_device_reset_function_occurred = 0x2903,
scsi_device_internal_reset = 0x2904,
scsi_transceiver_mode_changed_to_single_ended = 0x2905,
scsi_transceiver_mode_changed_to_lvd = 0x2906,
scsi_i_t_nexus_loss_occurred = 0x2907,
scsi_parameters_changed = 0x2a00,
scsi_mode_parameters_changed = 0x2a01,
scsi_asymmetric_access_state_changed = 0x2a06,
scsi_priority_changed = 0x2a08,
scsi_command_sequence_error = 0x2c00,
scsi_previous_busy_status = 0x2c07,
scsi_previous_task_set_full_status = 0x2c08,
scsi_previous_reservation_conflict_status = 0x2c09,
osd_partition_or_collection_contains_user_objects = 0x2c0a,
scsi_commands_cleared_by_another_initiator = 0x2f00,
scsi_cleaning_failure = 0x3007,
scsi_enclosure_failure = 0x3400,
scsi_enclosure_services_failure = 0x3500,
scsi_unsupported_enclosure_function = 0x3501,
scsi_enclosure_services_unavailable = 0x3502,
scsi_enclosure_services_transfer_failure = 0x3503,
scsi_enclosure_services_transfer_refused = 0x3504,
scsi_enclosure_services_checksum_error = 0x3505,
scsi_rounded_parameter = 0x3700,
osd_read_past_end_of_user_object = 0x3b17,
scsi_logical_unit_has_not_self_configured_yet = 0x3e00,
scsi_logical_unit_failure = 0x3e01,
scsi_timeout_on_logical_unit = 0x3e02,
scsi_logical_unit_failed_selftest = 0x3e03,
scsi_logical_unit_unable_to_update_selftest_log = 0x3e04,
scsi_target_operating_conditions_have_changed = 0x3f00,
scsi_microcode_has_been_changed = 0x3f01,
scsi_inquiry_data_has_changed = 0x3f03,
scsi_echo_buffer_overwritten = 0x3f0f,
scsi_diagnostic_failure_on_component_nn_first = 0x4080,
scsi_diagnostic_failure_on_component_nn_last = 0x40ff,
scsi_message_error = 0x4300,
scsi_internal_target_failure = 0x4400,
scsi_select_or_reselect_failure = 0x4500,
scsi_scsi_parity_error = 0x4700,
scsi_data_phase_crc_error_detected = 0x4701,
scsi_scsi_parity_error_detected_during_st_data_phase = 0x4702,
scsi_asynchronous_information_protection_error_detected = 0x4704,
scsi_protocol_service_crc_error = 0x4705,
scsi_phy_test_function_in_progress = 0x4706,
scsi_invalid_message_error = 0x4900,
scsi_command_phase_error = 0x4a00,
scsi_data_phase_error = 0x4b00,
scsi_logical_unit_failed_self_configuration = 0x4c00,
scsi_overlapped_commands_attempted = 0x4e00,
osd_quota_error = 0x5507,
scsi_failure_prediction_threshold_exceeded = 0x5d00,
scsi_failure_prediction_threshold_exceeded_false = 0x5dff,
scsi_voltage_fault = 0x6500,
};
enum scsi_descriptor_types {
scsi_sense_information = 0x0,
scsi_sense_command_specific_information = 0x1,
scsi_sense_key_specific = 0x2,
scsi_sense_field_replaceable_unit = 0x3,
scsi_sense_stream_commands = 0x4,
scsi_sense_block_commands = 0x5,
osd_sense_object_identification = 0x6,
osd_sense_response_integrity_check = 0x7,
osd_sense_attribute_identification = 0x8,
scsi_sense_ata_return = 0x9,
scsi_sense_Reserved_first = 0x0A,
scsi_sense_Reserved_last = 0x7F,
scsi_sense_Vendor_specific_first = 0x80,
scsi_sense_Vendor_specific_last = 0xFF,
};
struct scsi_sense_descriptor { /* for picking into desc type */
u8 descriptor_type; /* one of enum scsi_descriptor_types */
u8 additional_length; /* n - 1 */
u8 data[];
} __packed;
/* OSD deploys only scsi descriptor_based sense buffers */
struct scsi_sense_descriptor_based {
/*0*/ u8 response_code; /* 0x72 or 0x73 */
/*1*/ u8 sense_key; /* one of enum scsi_sense_keys (4 lower bits) */
/*2*/ __be16 additional_sense_code; /* enum osd_additional_sense_codes */
/*4*/ u8 Reserved[3];
/*7*/ u8 additional_sense_length; /* n - 7 */
/*8*/ struct scsi_sense_descriptor ssd[0]; /* variable length, 1 or more */
} __packed;
/* some descriptors deployed by OSD */
/* SPC3r23 4.5.2.3 Command-specific information sense data descriptor */
/* Note: this is the same for descriptor_type=00 but with type=00 the
* Reserved[0] == 0x80 (ie. bit-7 set)
*/
struct scsi_sense_command_specific_data_descriptor {
/*0*/ u8 descriptor_type; /* (00h/01h) */
/*1*/ u8 additional_length; /* (0Ah) */
/*2*/ u8 Reserved[2];
/*4*/ __be64 information;
} __packed;
/*12*/
struct scsi_sense_key_specific_data_descriptor {
/*0*/ u8 descriptor_type; /* (02h) */
/*1*/ u8 additional_length; /* (06h) */
/*2*/ u8 Reserved[2];
/* SKSV, C/D, Reserved (2), BPV, BIT POINTER (3) */
/*4*/ u8 sksv_cd_bpv_bp;
/*5*/ __be16 value; /* field-pointer/progress-value/retry-count/... */
/*7*/ u8 Reserved2;
} __packed;
/*8*/
/* 4.16.2.1 OSD error identification sense data descriptor - table 52 */
/* Note: these bits are defined LE order for easy definition, this way the BIT()
* number is the same as in the documentation. Below members at
* osd_sense_identification_data_descriptor are therefore defined __le32.
*/
enum osd_command_functions_bits {
OSD_CFB_COMMAND = BIT(4),
OSD_CFB_CMD_CAP_VERIFIED = BIT(5),
OSD_CFB_VALIDATION = BIT(7),
OSD_CFB_IMP_ST_ATT = BIT(12),
OSD_CFB_SET_ATT = BIT(20),
OSD_CFB_SA_CAP_VERIFIED = BIT(21),
OSD_CFB_GET_ATT = BIT(28),
OSD_CFB_GA_CAP_VERIFIED = BIT(29),
};
struct osd_sense_identification_data_descriptor {
/*0*/ u8 descriptor_type; /* (06h) */
/*1*/ u8 additional_length; /* (1Eh) */
/*2*/ u8 Reserved[6];
/*8*/ __le32 not_initiated_functions; /*osd_command_functions_bits*/
/*12*/ __le32 completed_functions; /*osd_command_functions_bits*/
/*16*/ __be64 partition_id;
/*24*/ __be64 object_id;
} __packed;
/*32*/
struct osd_sense_response_integrity_check_descriptor {
/*0*/ u8 descriptor_type; /* (07h) */
/*1*/ u8 additional_length; /* (20h) */
/*2*/ u8 integrity_check_value[32]; /*FIXME: OSDv2_CRYPTO_KEYID_SIZE*/
} __packed;
/*34*/
struct osd_sense_attributes_data_descriptor {
/*0*/ u8 descriptor_type; /* (08h) */
/*1*/ u8 additional_length; /* (n-2) */
/*2*/ u8 Reserved[6];
struct osd_sense_attr {
/*8*/ __be32 attr_page;
/*12*/ __be32 attr_id;
/*16*/ } sense_attrs[0]; /* 1 or more */
} __packed;
/*variable*/
/* Dig into scsi_sk_illegal_request/scsi_invalid_field_in_cdb errors */
/*FIXME: Support also field in CAPS*/
#define OSD_CDB_OFFSET(F) offsetof(struct osd_cdb_head, F)
enum osdv2_cdb_field_offset {
OSDv1_CFO_STARTING_BYTE = OSD_CDB_OFFSET(v1.start_address),
OSD_CFO_STARTING_BYTE = OSD_CDB_OFFSET(v2.start_address),
OSD_CFO_PARTITION_ID = OSD_CDB_OFFSET(partition),
OSD_CFO_OBJECT_ID = OSD_CDB_OFFSET(object),
OSD_CFO_PERMISSIONS = sizeof(struct osd_cdb_head) +
offsetof(struct osd_capability_head,
permissions_bit_mask),
};
#endif /* ndef __OSD_SENSE_H__ */
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