diff options
Diffstat (limited to 'drivers/gpu/drm/xe/abi/gsc_pxp_commands_abi.h')
| -rw-r--r-- | drivers/gpu/drm/xe/abi/gsc_pxp_commands_abi.h | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/drivers/gpu/drm/xe/abi/gsc_pxp_commands_abi.h b/drivers/gpu/drm/xe/abi/gsc_pxp_commands_abi.h index 57520809e48d..290e431cf10d 100644 --- a/drivers/gpu/drm/xe/abi/gsc_pxp_commands_abi.h +++ b/drivers/gpu/drm/xe/abi/gsc_pxp_commands_abi.h @@ -6,6 +6,7 @@ #ifndef _ABI_GSC_PXP_COMMANDS_ABI_H #define _ABI_GSC_PXP_COMMANDS_ABI_H +#include <linux/sizes.h> #include <linux/types.h> /* Heci client ID for PXP commands */ @@ -14,6 +15,12 @@ #define PXP_APIVER(x, y) (((x) & 0xFFFF) << 16 | ((y) & 0xFFFF)) /* + * A PXP sub-section in an HECI packet can be up to 64K big in each direction. + * This does not include the top-level GSC header. + */ +#define PXP_MAX_PACKET_SIZE SZ_64K + +/* * there are a lot of status codes for PXP, but we only define the cross-API * common ones that we actually can handle in the kernel driver. Other failure * codes should be printed to error msg for debug. @@ -24,6 +31,7 @@ enum pxp_status { PXP_STATUS_NOT_READY = 0x100e, PXP_STATUS_PLATFCONFIG_KF1_NOVERIF = 0x101a, PXP_STATUS_PLATFCONFIG_KF1_BAD = 0x101f, + PXP_STATUS_PLATFCONFIG_FIXED_KF1_NOT_SUPPORTED = 0x1037, PXP_STATUS_OP_NOT_PERMITTED = 0x4013 }; @@ -42,6 +50,8 @@ struct pxp_cmd_header { u32 buffer_len; } __packed; +#define PXP43_CMDID_INVALIDATE_STREAM_KEY 0x00000007 +#define PXP43_CMDID_INIT_SESSION 0x00000036 #define PXP43_CMDID_NEW_HUC_AUTH 0x0000003F /* MTL+ */ /* PXP-Input-Packet: HUC Auth-only */ @@ -56,4 +66,35 @@ struct pxp43_huc_auth_out { struct pxp_cmd_header header; } __packed; +/* PXP-Input-Packet: Init PXP session */ +struct pxp43_create_arb_in { + struct pxp_cmd_header header; + /* header.stream_id fields for vesion 4.3 of Init PXP session: */ + #define PXP43_INIT_SESSION_VALID BIT(0) + #define PXP43_INIT_SESSION_APPTYPE BIT(1) + #define PXP43_INIT_SESSION_APPID GENMASK(17, 2) + u32 protection_mode; + #define PXP43_INIT_SESSION_PROTECTION_ARB 0x2 + u32 sub_session_id; + u32 init_flags; + u32 rsvd[12]; +} __packed; + +/* PXP-Input-Packet: Init PXP session */ +struct pxp43_create_arb_out { + struct pxp_cmd_header header; + u32 rsvd[8]; +} __packed; + +/* PXP-Input-Packet: Invalidate Stream Key */ +struct pxp43_inv_stream_key_in { + struct pxp_cmd_header header; + u32 rsvd[3]; +} __packed; + +/* PXP-Output-Packet: Invalidate Stream Key */ +struct pxp43_inv_stream_key_out { + struct pxp_cmd_header header; + u32 rsvd; +} __packed; #endif |