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drm/xe/guc: Add PF2GUC_SAVE_RESTORE_VF to ABI

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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: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Michał Winiarski <michal.winiarski@intel.com>
Cc: Tomasz Lis <tomasz.lis@intel.com>
Reviewed-by: Michał Winiarski <michal.winiarski@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240912203817.1880-3-michal.wajdeczko@intel.com
This commit is contained in:
Michal Wajdeczko 2024-09-12 22:38:13 +02:00
parent 02fdf821ed
commit 804ce41f66
1 changed files with 61 additions and 0 deletions
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61
drivers/gpu/drm/xe/abi/guc_actions_sriov_abi.h
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@ -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