diff options
Diffstat (limited to 'drivers/gpu/drm/i915/gt/uc/intel_gsc_uc_heci_cmd_submit.h')
| -rw-r--r-- | drivers/gpu/drm/i915/gt/uc/intel_gsc_uc_heci_cmd_submit.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_gsc_uc_heci_cmd_submit.h b/drivers/gpu/drm/i915/gt/uc/intel_gsc_uc_heci_cmd_submit.h index cf610dfca7a5..3d56ae501991 100644 --- a/drivers/gpu/drm/i915/gt/uc/intel_gsc_uc_heci_cmd_submit.h +++ b/drivers/gpu/drm/i915/gt/uc/intel_gsc_uc_heci_cmd_submit.h @@ -22,7 +22,17 @@ struct intel_gsc_mtl_header { u16 header_version; #define MTL_GSC_HEADER_VERSION 1 + /* + * FW allows host to decide host_session handle + * as it sees fit. + * For intertracebility reserving select bits(60-63) + * to differentiate caller-target subsystem + * 0000 - HDCP + * 0001 - PXP Single Session + */ u64 host_session_handle; +#define HOST_SESSION_MASK REG_GENMASK64(63, 60) +#define HOST_SESSION_PXP_SINGLE BIT_ULL(60) u64 gsc_message_handle; u32 message_size; /* lower 20 bits only, upper 12 are reserved */ @@ -33,8 +43,11 @@ struct intel_gsc_mtl_header { * Bit 1: Session Cleanup; * Bits 2-15: Flags * Bits 16-31: Extension Size + * According to internal spec flags are either input or output + * we distinguish the flags using OUTFLAG or INFLAG */ u32 flags; +#define GSC_OUTFLAG_MSG_PENDING 1 u32 status; } __packed; @@ -42,4 +55,7 @@ struct intel_gsc_mtl_header { int intel_gsc_uc_heci_cmd_submit_packet(struct intel_gsc_uc *gsc, u64 addr_in, u32 size_in, u64 addr_out, u32 size_out); +void intel_gsc_uc_heci_cmd_emit_mtl_header(struct intel_gsc_mtl_header *header, + u8 heci_client_id, u32 message_size, + u64 host_session_id); #endif |