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| /freebsd-10.2-release/sys/dev/aic7xxx/ | ||
| H A D | aic7xxx.c | diff 107420 Sat Nov 30 19:30:09 MST 2002 scottl Bring in many bugfixes and changes obtained from formal testing: aic7xxx.c: aic7xxx.h: aic7xxx.reg: aic7xxx.seq: Bring in the protocol violation handler from the U320 driver and replace the NO_IDENT sequencer interrupt code with the PROTO_VIOLATION code. Support for this code required the following changes: SEQ_FLAGS: IDENTIFY_SEEN -> NOT_IDENTIFIED Added NO_CDB_SENT SCB_CONTROL: TARGET_SCB == STATUS_RCVD for initiator mode scb->flags: Added SCB_TARGET_SCB since we cannot rely on TARGET_SCB as a target/initiator differentiator due to it being overloaded in initiator mode to indicate that status has been received. aic7xxx.seq: Move data fifo CLRCHN to mesgin_rdptrs which is a safer location for doing this operation. This also saves a sequencer instruction. aic7xxx.c: aic7xxx.h: Change ahc/ahd_upate_neg_request() to take a "negotiation type" enum that allows us to negotiate: o only if the goal and current parameters differ. o only if the goal is non-async o always - even if the negotiation will be for async. aic7xxx.seq: Reset the FIFO whenever a short CDB transfer occurs so that the FIFO contents do not corrupt a future CDB transfer retry. Add support for catching the various protocol violations handled by ahc_handle_protocol_violation. Reformat some comments. aic7xxx.c: aic7xxx.h: Just for safety, have the aic7xxx driver probe the stack depth. aic7xxx.c: aic7xxx.h: Save and restore stack contents during diagnostics. Some chip variants overwrite stale entries on a stack "pop". Don't use 0 to probe the stack depth. 0 is the typical value used to backfill the stack if entries are overwritten on a "pop". aic7xxx.h: Add a missing typedef. Collapse SCB flag entries so they are bit contiguous. Add AHD_ULTRA2_XFER_PERIOD for narrow fallback calculations aic7xxx.c: Don't panic (as a diagnostic to catch bugs) if we decided to force the renegotiation of async even if we believe we are already async. This should allow us to negotiate async instead of the full user goal rate during startup if bus resets are disabled. Add a space to the end of the ahc/ahd_print_devinfo routines so that it behaves as expected by the code that uses it. Only force a renegotiation on a selection timeout if the SCB was valid. Doing otherwise may be dangerous as the connection was not valid for an unknown reason. Add additional diagnostic output to ahc_dump_card_state(), and have it use the register pretty printing functions. Update ahc_reg_print() to handle a NULL cur_col. Add a newline to ahc_dump_card_state() output. Bring back "use_ppr". We need to use_ppr anytime doppr is true or we have non-zero protocol options. The later case was not handled in the recent removal of use_ppr. Move a comment and remove a useless clearing of use_ppr. Don't disable ENBUSFREE when single stepping on a DT capable controller. We cannot re-enable unexpected busfree detection, so we must clear BUSFREE on each step instead. Correct the lookup of the SCB ID in ahc_handle_proto_error. Remove a diagnostic printf. Remove unecessary restoration of the STACK for older chips. Approved by: re (blanket) |
| H A D | aic7xxx.h | diff 107420 Sat Nov 30 19:30:09 MST 2002 scottl Bring in many bugfixes and changes obtained from formal testing: aic7xxx.c: aic7xxx.h: aic7xxx.reg: aic7xxx.seq: Bring in the protocol violation handler from the U320 driver and replace the NO_IDENT sequencer interrupt code with the PROTO_VIOLATION code. Support for this code required the following changes: SEQ_FLAGS: IDENTIFY_SEEN -> NOT_IDENTIFIED Added NO_CDB_SENT SCB_CONTROL: TARGET_SCB == STATUS_RCVD for initiator mode scb->flags: Added SCB_TARGET_SCB since we cannot rely on TARGET_SCB as a target/initiator differentiator due to it being overloaded in initiator mode to indicate that status has been received. aic7xxx.seq: Move data fifo CLRCHN to mesgin_rdptrs which is a safer location for doing this operation. This also saves a sequencer instruction. aic7xxx.c: aic7xxx.h: Change ahc/ahd_upate_neg_request() to take a "negotiation type" enum that allows us to negotiate: o only if the goal and current parameters differ. o only if the goal is non-async o always - even if the negotiation will be for async. aic7xxx.seq: Reset the FIFO whenever a short CDB transfer occurs so that the FIFO contents do not corrupt a future CDB transfer retry. Add support for catching the various protocol violations handled by ahc_handle_protocol_violation. Reformat some comments. aic7xxx.c: aic7xxx.h: Just for safety, have the aic7xxx driver probe the stack depth. aic7xxx.c: aic7xxx.h: Save and restore stack contents during diagnostics. Some chip variants overwrite stale entries on a stack "pop". Don't use 0 to probe the stack depth. 0 is the typical value used to backfill the stack if entries are overwritten on a "pop". aic7xxx.h: Add a missing typedef. Collapse SCB flag entries so they are bit contiguous. Add AHD_ULTRA2_XFER_PERIOD for narrow fallback calculations aic7xxx.c: Don't panic (as a diagnostic to catch bugs) if we decided to force the renegotiation of async even if we believe we are already async. This should allow us to negotiate async instead of the full user goal rate during startup if bus resets are disabled. Add a space to the end of the ahc/ahd_print_devinfo routines so that it behaves as expected by the code that uses it. Only force a renegotiation on a selection timeout if the SCB was valid. Doing otherwise may be dangerous as the connection was not valid for an unknown reason. Add additional diagnostic output to ahc_dump_card_state(), and have it use the register pretty printing functions. Update ahc_reg_print() to handle a NULL cur_col. Add a newline to ahc_dump_card_state() output. Bring back "use_ppr". We need to use_ppr anytime doppr is true or we have non-zero protocol options. The later case was not handled in the recent removal of use_ppr. Move a comment and remove a useless clearing of use_ppr. Don't disable ENBUSFREE when single stepping on a DT capable controller. We cannot re-enable unexpected busfree detection, so we must clear BUSFREE on each step instead. Correct the lookup of the SCB ID in ahc_handle_proto_error. Remove a diagnostic printf. Remove unecessary restoration of the STACK for older chips. Approved by: re (blanket) |
| H A D | aic7xxx.reg | diff 107420 Sat Nov 30 19:30:09 MST 2002 scottl Bring in many bugfixes and changes obtained from formal testing: aic7xxx.c: aic7xxx.h: aic7xxx.reg: aic7xxx.seq: Bring in the protocol violation handler from the U320 driver and replace the NO_IDENT sequencer interrupt code with the PROTO_VIOLATION code. Support for this code required the following changes: SEQ_FLAGS: IDENTIFY_SEEN -> NOT_IDENTIFIED Added NO_CDB_SENT SCB_CONTROL: TARGET_SCB == STATUS_RCVD for initiator mode scb->flags: Added SCB_TARGET_SCB since we cannot rely on TARGET_SCB as a target/initiator differentiator due to it being overloaded in initiator mode to indicate that status has been received. aic7xxx.seq: Move data fifo CLRCHN to mesgin_rdptrs which is a safer location for doing this operation. This also saves a sequencer instruction. aic7xxx.c: aic7xxx.h: Change ahc/ahd_upate_neg_request() to take a "negotiation type" enum that allows us to negotiate: o only if the goal and current parameters differ. o only if the goal is non-async o always - even if the negotiation will be for async. aic7xxx.seq: Reset the FIFO whenever a short CDB transfer occurs so that the FIFO contents do not corrupt a future CDB transfer retry. Add support for catching the various protocol violations handled by ahc_handle_protocol_violation. Reformat some comments. aic7xxx.c: aic7xxx.h: Just for safety, have the aic7xxx driver probe the stack depth. aic7xxx.c: aic7xxx.h: Save and restore stack contents during diagnostics. Some chip variants overwrite stale entries on a stack "pop". Don't use 0 to probe the stack depth. 0 is the typical value used to backfill the stack if entries are overwritten on a "pop". aic7xxx.h: Add a missing typedef. Collapse SCB flag entries so they are bit contiguous. Add AHD_ULTRA2_XFER_PERIOD for narrow fallback calculations aic7xxx.c: Don't panic (as a diagnostic to catch bugs) if we decided to force the renegotiation of async even if we believe we are already async. This should allow us to negotiate async instead of the full user goal rate during startup if bus resets are disabled. Add a space to the end of the ahc/ahd_print_devinfo routines so that it behaves as expected by the code that uses it. Only force a renegotiation on a selection timeout if the SCB was valid. Doing otherwise may be dangerous as the connection was not valid for an unknown reason. Add additional diagnostic output to ahc_dump_card_state(), and have it use the register pretty printing functions. Update ahc_reg_print() to handle a NULL cur_col. Add a newline to ahc_dump_card_state() output. Bring back "use_ppr". We need to use_ppr anytime doppr is true or we have non-zero protocol options. The later case was not handled in the recent removal of use_ppr. Move a comment and remove a useless clearing of use_ppr. Don't disable ENBUSFREE when single stepping on a DT capable controller. We cannot re-enable unexpected busfree detection, so we must clear BUSFREE on each step instead. Correct the lookup of the SCB ID in ahc_handle_proto_error. Remove a diagnostic printf. Remove unecessary restoration of the STACK for older chips. Approved by: re (blanket) |
| H A D | aic7xxx.seq | diff 107420 Sat Nov 30 19:30:09 MST 2002 scottl Bring in many bugfixes and changes obtained from formal testing: aic7xxx.c: aic7xxx.h: aic7xxx.reg: aic7xxx.seq: Bring in the protocol violation handler from the U320 driver and replace the NO_IDENT sequencer interrupt code with the PROTO_VIOLATION code. Support for this code required the following changes: SEQ_FLAGS: IDENTIFY_SEEN -> NOT_IDENTIFIED Added NO_CDB_SENT SCB_CONTROL: TARGET_SCB == STATUS_RCVD for initiator mode scb->flags: Added SCB_TARGET_SCB since we cannot rely on TARGET_SCB as a target/initiator differentiator due to it being overloaded in initiator mode to indicate that status has been received. aic7xxx.seq: Move data fifo CLRCHN to mesgin_rdptrs which is a safer location for doing this operation. This also saves a sequencer instruction. aic7xxx.c: aic7xxx.h: Change ahc/ahd_upate_neg_request() to take a "negotiation type" enum that allows us to negotiate: o only if the goal and current parameters differ. o only if the goal is non-async o always - even if the negotiation will be for async. aic7xxx.seq: Reset the FIFO whenever a short CDB transfer occurs so that the FIFO contents do not corrupt a future CDB transfer retry. Add support for catching the various protocol violations handled by ahc_handle_protocol_violation. Reformat some comments. aic7xxx.c: aic7xxx.h: Just for safety, have the aic7xxx driver probe the stack depth. aic7xxx.c: aic7xxx.h: Save and restore stack contents during diagnostics. Some chip variants overwrite stale entries on a stack "pop". Don't use 0 to probe the stack depth. 0 is the typical value used to backfill the stack if entries are overwritten on a "pop". aic7xxx.h: Add a missing typedef. Collapse SCB flag entries so they are bit contiguous. Add AHD_ULTRA2_XFER_PERIOD for narrow fallback calculations aic7xxx.c: Don't panic (as a diagnostic to catch bugs) if we decided to force the renegotiation of async even if we believe we are already async. This should allow us to negotiate async instead of the full user goal rate during startup if bus resets are disabled. Add a space to the end of the ahc/ahd_print_devinfo routines so that it behaves as expected by the code that uses it. Only force a renegotiation on a selection timeout if the SCB was valid. Doing otherwise may be dangerous as the connection was not valid for an unknown reason. Add additional diagnostic output to ahc_dump_card_state(), and have it use the register pretty printing functions. Update ahc_reg_print() to handle a NULL cur_col. Add a newline to ahc_dump_card_state() output. Bring back "use_ppr". We need to use_ppr anytime doppr is true or we have non-zero protocol options. The later case was not handled in the recent removal of use_ppr. Move a comment and remove a useless clearing of use_ppr. Don't disable ENBUSFREE when single stepping on a DT capable controller. We cannot re-enable unexpected busfree detection, so we must clear BUSFREE on each step instead. Correct the lookup of the SCB ID in ahc_handle_proto_error. Remove a diagnostic printf. Remove unecessary restoration of the STACK for older chips. Approved by: re (blanket) |
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