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Linux Kernel
3.7.1
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All Data Structures Namespaces Files Functions Variables Typedefs Enumerations Enumerator Macros Groups Pages
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Linux Kernel
3.7.1
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#include <scu_task_context.h>
struct scu_task_context - This structure defines the contents of the SCU silicon task context. It lays out all of the fields according to the expected order and location for the Storage Controller unit.
Definition at line 537 of file scu_task_context.h.
| union { ... } |
| u32 abort |
For a normal task request this must be set to 0. If this is an abort of this task request it must be set to 1.
Definition at line 593 of file scu_task_context.h.
| u32 active_sgl_element |
Definition at line 873 of file scu_task_context.h.
| u32 active_sgl_element_pair |
Definition at line 893 of file scu_task_context.h.
| u32 address_modifier |
This field is the address modifier for this io request it should be programmed with the virtual function that is making the request.
Definition at line 727 of file scu_task_context.h.
| u16 app_f_detect |
Definition at line 936 of file scu_task_context.h.
| u16 app_ref_f_detect |
Definition at line 933 of file scu_task_context.h.
| u16 app_tag_chk |
Definition at line 925 of file scu_task_context.h.
| u32 app_tag_gen |
Definition at line 904 of file scu_task_context.h.
| u32 app_tag_gen_mask |
Definition at line 918 of file scu_task_context.h.
| u32 app_tag_verify |
Definition at line 903 of file scu_task_context.h.
| u16 app_tag_verify_mask |
Definition at line 941 of file scu_task_context.h.
| u32 bgc_blk_sz |
Definition at line 916 of file scu_task_context.h.
| u16 bgctl |
Definition at line 922 of file scu_task_context.h.
| struct { ... } bgctl_f |
| u32 blk_guard_err |
Definition at line 944 of file scu_task_context.h.
| u32 blk_prot_en |
Definition at line 869 of file scu_task_context.h.
| u32 blk_prot_func |
Definition at line 871 of file scu_task_context.h.
| u32 blk_sz |
Definition at line 870 of file scu_task_context.h.
| u32 block_guard_enable |
This field should be set to true when block guard is to be enabled
Definition at line 715 of file scu_task_context.h.
| u32 command_code |
This field is programmsed with one of the following SCU_COMMAND_CODE
Definition at line 631 of file scu_task_context.h.
| u32 command_iu_lower |
This field is the lower 32 bits of the 64 bit physical address of the command iu buffer
Definition at line 803 of file scu_task_context.h.
| u32 command_iu_upper |
This field is the upper 32 bits of the 64 bit physical address of the command iu buffer
Definition at line 797 of file scu_task_context.h.
| u32 connection_rate |
This field must be set to one of the valid connection rates valid values are 0x8, 0x9, and 0xA.
Definition at line 557 of file scu_task_context.h.
| u32 context_type |
This field must be set to SCU_TASK_CONTEXT_TYPE
Definition at line 603 of file scu_task_context.h.
| u32 control_frame |
This field indicates the type of endianess to be utilized for the frame. command, task, and response frames utilized control_frame set to 1.
Definition at line 694 of file scu_task_context.h.
| u16 crc_verify |
Definition at line 924 of file scu_task_context.h.
| u32 DIF_bytes_immed_val |
Definition at line 912 of file scu_task_context.h.
| u32 dma_ssp_target_good_response |
This is field specifies if the SCU DMAs a response frame to host memory for good response frames when operating in target mode.
Definition at line 676 of file scu_task_context.h.
| u32 do_not_dma_ssp_good_response |
This field indicates if the SCU should DMA the response frame to host memory.
Definition at line 682 of file scu_task_context.h.
| u16 fixed_ref_tag |
Definition at line 931 of file scu_task_context.h.
| u32 frame_buffer_offset |
Definition at line 876 of file scu_task_context.h.
| u32 init_crc_seed |
Definition at line 900 of file scu_task_context.h.
| u32 initiator_request |
This field must be set to true if this is an initiator generated request. Until target mode is supported all task requests are initiator requests.
Definition at line 551 of file scu_task_context.h.
| u32 interm_crc_val |
Definition at line 899 of file scu_task_context.h.
| u32 intermediate_crc_valid_snapshot |
Definition at line 951 of file scu_task_context.h.
| u16 invert_crc |
Definition at line 932 of file scu_task_context.h.
| u16 invert_crc_seed |
Definition at line 929 of file scu_task_context.h.
| u16 legacy |
Definition at line 928 of file scu_task_context.h.
| u32 link_layer_control |
This field is reserved and the must be set to 0x00
Definition at line 665 of file scu_task_context.h.
| u32 logical_port_index |
This field must contain the logical port for the task request.
Definition at line 568 of file scu_task_context.h.
| u32 mirror_request_enable |
This field must be set to true if the mirrored request processing is to be enabled.
Definition at line 749 of file scu_task_context.h.
| u32 mirrored_logical_port |
If this is a mirrored request the logical port index for the mirrored RNi must be programmed.
Definition at line 738 of file scu_task_context.h.
| u32 mirrored_node_index |
This field is programmed if this is a mirrored request, which we are not using, in which case it is the RNi for the mirrored target.
Definition at line 615 of file scu_task_context.h.
| u32 mirrored_protocol_engine |
Definition at line 732 of file scu_task_context.h.
Definition at line 927 of file scu_task_context.h.
| u32 payload_data_transfer_error |
Definition at line 875 of file scu_task_context.h.
| u32 previous_extended_tag |
This field is used during initiator write TLR
Definition at line 834 of file scu_task_context.h.
| u32 priority |
This field must be encoded to one of the valid SCU task priority values
Definition at line 545 of file scu_task_context.h.
| u32 protocol_engine_index |
This field muse be programed when generating an SMP response since the SMP connection remains open until the SMP response is generated.
Definition at line 563 of file scu_task_context.h.
| u32 protocol_type |
This field must be set to one of the SCU_TASK_CONTEXT_PROTOCOL values
Definition at line 577 of file scu_task_context.h.
| u32 pts_control_reserved |
This field is reserved and the driver should set it to 0x00
Definition at line 710 of file scu_task_context.h.
| u16 ref_tag_chk |
Definition at line 926 of file scu_task_context.h.
| u16 ref_tag_gen |
Definition at line 930 of file scu_task_context.h.
| u32 ref_tag_seed_gen |
Definition at line 948 of file scu_task_context.h.
| u32 ref_tag_seed_verify |
Definition at line 907 of file scu_task_context.h.
| u32 reference_tag_seed_for_generate_function_snapshot |
Definition at line 961 of file scu_task_context.h.
| u32 reference_tag_seed_for_verify_function_snapshot |
Definition at line 955 of file scu_task_context.h.
| u32 remote_node_index |
This field contains the RNi that is the target of this request.
Definition at line 609 of file scu_task_context.h.
| u16 reserved_0 |
Definition at line 937 of file scu_task_context.h.
| u32 reserved_00_0 |
This field is reserved and must be set to 0x00
Definition at line 587 of file scu_task_context.h.
| u32 reserved_0C_0 |
This field is reserved and the driver must set it to 0x00
Definition at line 743 of file scu_task_context.h.
| u32 reserved_10_0 |
This field is reserved and the driver must set it to 0x00
Definition at line 766 of file scu_task_context.h.
| u32 reserved_14_0 |
This field is reserved and the driver should set it to 0x00
Definition at line 784 of file scu_task_context.h.
| u32 reserved_40_1 |
This field is reserved and the driver must set it to 0x00
Definition at line 844 of file scu_task_context.h.
| u32 reserved_40_2 |
This field is reserved and the driver must set it to 0x00
Definition at line 860 of file scu_task_context.h.
| u32 reserved_5C_0 |
Definition at line 872 of file scu_task_context.h.
| u32 reserved_C4_CC[3] |
Definition at line 896 of file scu_task_context.h.
| u32 reserved_DC_0 |
Definition at line 911 of file scu_task_context.h.
| u32 reserved_DC_1 |
Definition at line 913 of file scu_task_context.h.
| u32 reserved_E0_0 |
Definition at line 917 of file scu_task_context.h.
| u32 reserved_E8_0 |
Definition at line 945 of file scu_task_context.h.
| u32 reserved_F0_0 |
Definition at line 952 of file scu_task_context.h.
| u32 response_iu_lower |
This field is the lower 32 bits of the 64 bit physical address of the response iu buffer
Definition at line 816 of file scu_task_context.h.
| u32 response_iu_upper |
This field is the upper 32 bits of the 64 bit physical address of the response iu buffer
Definition at line 810 of file scu_task_context.h.
| u32 sata_direction |
This field is programmed with the direction of the SATA reqeust
Definition at line 622 of file scu_task_context.h.
| u32 sdma_control_reserved |
This field is reserved and the driver should set to 0x00
Definition at line 720 of file scu_task_context.h.
| u32 sgl_exhausted |
Definition at line 874 of file scu_task_context.h.
| struct scu_sgl_element_pair sgl_pair_ab |
This field is the first SGL element pair found in the TC data structure.
Definition at line 882 of file scu_task_context.h.
| struct scu_sgl_element_pair sgl_pair_cd |
This field is the second SGL element pair found in the TC data structure.
Definition at line 887 of file scu_task_context.h.
| struct scu_sgl_element_pair sgl_snapshot_ac |
Definition at line 890 of file scu_task_context.h.
| struct transport_snapshot snapshot |
Definition at line 866 of file scu_task_context.h.
| u32 snapshot_of_reserved_dword_DC_of_tc |
Definition at line 958 of file scu_task_context.h.
| u32 ssp_command_iu_length |
This field is the command iu length in dwords
Definition at line 755 of file scu_task_context.h.
| u32 ssp_max_burst_size |
This is the maximum burst size that the SCU hardware will send in one connection its value is (N x 512) and N must be a multiple of 2. If the value is 0x00 then maximum burst size is disabled.
Definition at line 773 of file scu_task_context.h.
| u32 ssp_tlr_enable |
This field is set to true when TLR is to be enabled
Definition at line 670 of file scu_task_context.h.
| u32 ssp_tlr_threshold |
This field is used by the SCU TL to determine when to take a snapshot when tranmitting read data frames.
Definition at line 855 of file scu_task_context.h.
| u32 stp_retry_count |
This field is set the maximum number of retries for a STP non-data FIS
Definition at line 839 of file scu_task_context.h.
| u32 strict_ordering |
This field is set to true when strict ordering is to be enabled
Definition at line 687 of file scu_task_context.h.
| u32 suspend_node |
This field is set to true if the remote node should be suspended. This bit is only valid for SSP & SMP target devices.
Definition at line 637 of file scu_task_context.h.
| u32 task_index |
This filed must be set to the TCi allocated for this task
Definition at line 582 of file scu_task_context.h.
| u32 task_phase |
This field is set to the task phase of the SCU hardware. The driver must set this to 0x01
Definition at line 823 of file scu_task_context.h.
| u32 task_status |
This field is set to the transport layer task status. The driver must set this to 0x00
Definition at line 829 of file scu_task_context.h.
| u32 task_type |
This field is programmed with one of the following command type codes
For SAS requests use the scu_ssp_task_type
For SATA requests use the scu_sata_task_type
Definition at line 659 of file scu_task_context.h.
| u32 timeout_enable |
This field is set to true when the SCU hardware task timeout control is to be enabled
Definition at line 705 of file scu_task_context.h.
| u32 tl_control_reserved |
This field is reserved and the driver should set to 0x00
Definition at line 699 of file scu_task_context.h.
| u32 transfer_length_bytes |
This filed is set to the number of bytes to be transfered in the request.
Definition at line 779 of file scu_task_context.h.
| union protocol_context type |
This union provides for the protocol specif part of the SCU Task Context.
Definition at line 790 of file scu_task_context.h.
| u32 UD_bytes_immed_val |
Definition at line 910 of file scu_task_context.h.
| u16 uninit_dif_bypass |
Definition at line 935 of file scu_task_context.h.
| u16 uninit_dif_check_err |
Definition at line 934 of file scu_task_context.h.
| u32 valid |
This field must be set to true for the SCU hardware to process the task.
Definition at line 598 of file scu_task_context.h.
| u32 write_data_length |
Definition at line 863 of file scu_task_context.h.
| u32 xfer_ready_tlr_enable |
This is the target TLR enable bit it must be set to 0 when creatning the task context.
Definition at line 761 of file scu_task_context.h.
1.8.2