Commit 804ce41f authored by Michal Wajdeczko's avatar Michal Wajdeczko
Browse files

drm/xe/guc: Add PF2GUC_SAVE_RESTORE_VF to ABI 



In upcoming patches we will add support to the PF driver to save
and restore a VF state maintained by the GuC to allow VF migration.
Add necessary H2G definitions to our GuC firmware ABI header.

Signed-off-by: default avatarMichal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Michał Winiarski <michal.winiarski@intel.com>
Cc: Tomasz Lis <tomasz.lis@intel.com>
Reviewed-by: default avatarMichał Winiarski <michal.winiarski@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240912203817.1880-3-michal.wajdeczko@intel.com
parent 02fdf821

drivers/gpu/drm/xe/abi/guc_actions_sriov_abi.h

+61 −0
Original line number Diff line number Diff line
@@ -557,4 +557,65 @@ 
#define VF2GUC_QUERY_SINGLE_KLV_RESPONSE_MSG_2_VALUE64	GUC_HXG_REQUEST_MSG_n_DATAn

#define VF2GUC_QUERY_SINGLE_KLV_RESPONSE_MSG_3_VALUE96	GUC_HXG_REQUEST_MSG_n_DATAn



/**

 * DOC: PF2GUC_SAVE_RESTORE_VF

 *

 * This message is used by the PF to migrate VF info state maintained by the GuC.

 *

 * This message must be sent as `CTB HXG Message`_.

 *

 * Available since GuC version 70.25.0

 *

 *  +---+-------+--------------------------------------------------------------+

 *  |   | Bits  | Description                                                  |

 *  +===+=======+==============================================================+

 *  | 0 |    31 | ORIGIN = GUC_HXG_ORIGIN_HOST_                                |

 *  |   +-------+--------------------------------------------------------------+

 *  |   | 30:28 | TYPE = GUC_HXG_TYPE_REQUEST_                                 |

 *  |   +-------+--------------------------------------------------------------+

 *  |   | 27:16 | DATA0 = **OPCODE** - operation to take:                      |

 *  |   |       |                                                              |

 *  |   |       |   - _`GUC_PF_OPCODE_VF_SAVE` = 0                             |

 *  |   |       |   - _`GUC_PF_OPCODE_VF_RESTORE` = 1                          |

 *  |   +-------+--------------------------------------------------------------+

 *  |   |  15:0 | ACTION = _`GUC_ACTION_PF2GUC_SAVE_RESTORE_VF` = 0x550B       |

 *  +---+-------+--------------------------------------------------------------+

 *  | 1 |  31:0 | **VFID** - VF identifier                                     |

 *  +---+-------+--------------------------------------------------------------+

 *  | 2 |  31:0 | **ADDR_LO** - lower 32-bits of GGTT offset to the buffer     |

 *  |   |       | where the VF info will be save to or restored from.          |

 *  +---+-------+--------------------------------------------------------------+

 *  | 3 |  31:0 | **ADDR_HI** - upper 32-bits of GGTT offset to the buffer     |

 *  |   |       | where the VF info will be save to or restored from.          |

 *  +---+-------+--------------------------------------------------------------+

 *  | 4 |  27:0 | **SIZE** - size of the buffer (in dwords)                    |

 *  |   +-------+--------------------------------------------------------------+

 *  |   | 31:28 | MBZ                                                          |

 *  +---+-------+--------------------------------------------------------------+

 *

 *  +---+-------+--------------------------------------------------------------+

 *  |   | Bits  | Description                                                  |

 *  +===+=======+==============================================================+

 *  | 0 |    31 | ORIGIN = GUC_HXG_ORIGIN_GUC_                                 |

 *  |   +-------+--------------------------------------------------------------+

 *  |   | 30:28 | TYPE = GUC_HXG_TYPE_RESPONSE_SUCCESS_                        |

 *  |   +-------+--------------------------------------------------------------+

 *  |   |  27:0 | DATA0 = **USED** - size of used buffer space (in dwords)     |

 *  +---+-------+--------------------------------------------------------------+

 */

#define GUC_ACTION_PF2GUC_SAVE_RESTORE_VF		0x550Bu



#define PF2GUC_SAVE_RESTORE_VF_REQUEST_MSG_LEN		(GUC_HXG_EVENT_MSG_MIN_LEN + 4u)

#define PF2GUC_SAVE_RESTORE_VF_REQUEST_MSG_0_OPCODE	GUC_HXG_EVENT_MSG_0_DATA0

#define   GUC_PF_OPCODE_VF_SAVE				0u

#define   GUC_PF_OPCODE_VF_RESTORE			1u

#define PF2GUC_SAVE_RESTORE_VF_REQUEST_MSG_1_VFID	GUC_HXG_EVENT_MSG_n_DATAn

#define PF2GUC_SAVE_RESTORE_VF_REQUEST_MSG_2_ADDR_LO	GUC_HXG_EVENT_MSG_n_DATAn

#define PF2GUC_SAVE_RESTORE_VF_REQUEST_MSG_3_ADDR_HI	GUC_HXG_EVENT_MSG_n_DATAn

#define PF2GUC_SAVE_RESTORE_VF_REQUEST_MSG_4_SIZE	(0xfffffffu << 0)

#define PF2GUC_SAVE_RESTORE_VF_REQUEST_MSG_4_MBZ	(0xfu << 28)



#define PF2GUC_SAVE_RESTORE_VF_RESPONSE_MSG_LEN		GUC_HXG_RESPONSE_MSG_MIN_LEN

#define PF2GUC_SAVE_RESTORE_VF_RESPONSE_MSG_0_USED	GUC_HXG_RESPONSE_MSG_0_DATA0



#endif