diff options
Diffstat (limited to 'drivers/gpu/drm/xe/abi/guc_relay_actions_abi.h')
| -rw-r--r-- | drivers/gpu/drm/xe/abi/guc_relay_actions_abi.h | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/drivers/gpu/drm/xe/abi/guc_relay_actions_abi.h b/drivers/gpu/drm/xe/abi/guc_relay_actions_abi.h new file mode 100644 index 000000000000..747e428de421 --- /dev/null +++ b/drivers/gpu/drm/xe/abi/guc_relay_actions_abi.h @@ -0,0 +1,79 @@ +/* SPDX-License-Identifier: MIT */ +/* + * Copyright © 2023 Intel Corporation + */ + +#ifndef _ABI_GUC_RELAY_ACTIONS_ABI_H_ +#define _ABI_GUC_RELAY_ACTIONS_ABI_H_ + +/** + * DOC: GuC Relay Debug Actions + * + * This range of action codes is reserved for debugging purposes only and should + * be used only on debug builds. These actions may not be supported by the + * production drivers. Their definitions could be changed in the future. + * + * _`GUC_RELAY_ACTION_DEBUG_ONLY_START` = 0xDEB0 + * _`GUC_RELAY_ACTION_DEBUG_ONLY_END` = 0xDEFF + */ + +#define GUC_RELAY_ACTION_DEBUG_ONLY_START 0xDEB0 +#define GUC_RELAY_ACTION_DEBUG_ONLY_END 0xDEFF + +/** + * DOC: VFXPF_TESTLOOP + * + * This `Relay Message`_ is used to selftest the `GuC Relay Communication`_. + * + * The following opcodes are defined: + * VFXPF_TESTLOOP_OPCODE_NOP_ will return no data. + * VFXPF_TESTLOOP_OPCODE_BUSY_ will reply with BUSY response first. + * VFXPF_TESTLOOP_OPCODE_RETRY_ will reply with RETRY response instead. + * VFXPF_TESTLOOP_OPCODE_ECHO_ will return same data as received. + * VFXPF_TESTLOOP_OPCODE_FAIL_ will always fail with error. + * + * +---+-------+--------------------------------------------------------------+ + * | | Bits | Description | + * +===+=======+==============================================================+ + * | 0 | 31 | ORIGIN = GUC_HXG_ORIGIN_HOST_ | + * | +-------+--------------------------------------------------------------+ + * | | 30:28 | TYPE = GUC_HXG_TYPE_REQUEST_ or GUC_HXG_TYPE_FAST_REQUEST_ | + * | | | or GUC_HXG_TYPE_EVENT_ | + * | +-------+--------------------------------------------------------------+ + * | | 27:16 | **OPCODE** | + * | | | - _`VFXPF_TESTLOOP_OPCODE_NOP` = 0x0 | + * | | | - _`VFXPF_TESTLOOP_OPCODE_BUSY` = 0xB | + * | | | - _`VFXPF_TESTLOOP_OPCODE_RETRY` = 0xD | + * | | | - _`VFXPF_TESTLOOP_OPCODE_ECHO` = 0xE | + * | | | - _`VFXPF_TESTLOOP_OPCODE_FAIL` = 0xF | + * | +-------+--------------------------------------------------------------+ + * | | 15:0 | ACTION = _`IOV_ACTION_SELFTEST_RELAY` | + * +---+-------+--------------------------------------------------------------+ + * | 1 | 31:0 | **DATA1** = optional, depends on **OPCODE**: | + * | | | for VFXPF_TESTLOOP_OPCODE_BUSY_: time in ms for reply | + * | | | for VFXPF_TESTLOOP_OPCODE_FAIL_: expected error | + * | | | for VFXPF_TESTLOOP_OPCODE_ECHO_: payload | + * +---+-------+--------------------------------------------------------------+ + * |...| 31:0 | **DATAn** = only for **OPCODE** VFXPF_TESTLOOP_OPCODE_ECHO_ | + * +---+-------+--------------------------------------------------------------+ + * + * +---+-------+--------------------------------------------------------------+ + * | | Bits | Description | + * +===+=======+==============================================================+ + * | 0 | 31 | ORIGIN = GUC_HXG_ORIGIN_HOST_ | + * | +-------+--------------------------------------------------------------+ + * | | 30:28 | TYPE = GUC_HXG_TYPE_RESPONSE_SUCCESS_ | + * | +-------+--------------------------------------------------------------+ + * | | 27:0 | DATA0 = MBZ | + * +---+-------+--------------------------------------------------------------+ + * |...| 31:0 | DATAn = only for **OPCODE** VFXPF_TESTLOOP_OPCODE_ECHO_ | + * +---+-------+--------------------------------------------------------------+ + */ +#define GUC_RELAY_ACTION_VFXPF_TESTLOOP (GUC_RELAY_ACTION_DEBUG_ONLY_START + 1) +#define VFXPF_TESTLOOP_OPCODE_NOP 0x0 +#define VFXPF_TESTLOOP_OPCODE_BUSY 0xB +#define VFXPF_TESTLOOP_OPCODE_RETRY 0xD +#define VFXPF_TESTLOOP_OPCODE_ECHO 0xE +#define VFXPF_TESTLOOP_OPCODE_FAIL 0xF + +#endif |