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scsidevice: Remember SELECT_WITH_ATN message.

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It might be an IDENTIFY message which contains a LUN number.
This commit is contained in:
joevt 2023-10-31 00:44:02 -07:00 committed by dingusdev
parent ff9b8a59e2
commit 091cf4337c
2 changed files with 12 additions and 0 deletions
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8
devices/common/scsi/scsi.h
View File

@ -73,6 +73,12 @@ namespace ScsiStatus {
namespace ScsiMessage {
enum : uint8_t {
COMMAND_COMPLETE = 0,
TARGET_ROUTINE_NUMBER_MASK = 0x07,
LOGICAL_UNIT_NUMBER_MASK = 0x07,
IS_TARGET_ROUTINE_NuMBER = 0x20,
HAS_DISCONNECT_PRIVILEDGE = 0x40,
IDENTIFY = 0x80,
};
};
@ -210,6 +216,8 @@ protected:
int sksv;
int field;
bool last_selection_has_atention = false;
uint8_t last_selection_message = 0;
ScsiBus* bus_obj;
action_callback pre_xfer_action = nullptr;

4
devices/common/scsi/scsidevice.cpp
View File

@ -48,7 +48,11 @@ void ScsiDevice::notify(ScsiMsg msg_type, int param)
this->initiator_id = this->bus_obj->get_initiator_id();
if (this->bus_obj->test_ctrl_lines(SCSI_CTRL_ATN)) {
this->switch_phase(ScsiPhase::MESSAGE_OUT);
this->last_selection_has_atention = true;
this->last_selection_message = this->msg_buf[0];
LOG_F(SCSIDEVICE, "%s: received message:0x%02x", this->get_name().c_str(), this->msg_buf[0]);
} else {
this->last_selection_has_atention = false;
this->switch_phase(ScsiPhase::COMMAND);
}
});