> > >-----Original Message----- > >From: C, Ramalingam > >Sent: Thursday, January 31, 2019 12:30 PM > >To: intel-gfx@xxxxxxxxxxxxxxxxxxxxx; dri-devel@xxxxxxxxxxxxxxxxxxxxx; > >daniel.vetter@xxxxxxxx; Winkler, Tomas <tomas.winkler@xxxxxxxxx>; > >Shankar, Uma <uma.shankar@xxxxxxxxx> > >Cc: C, Ramalingam <ramalingam.c@xxxxxxxxx> > >Subject: [PATCH v10 24/40] misc/mei/hdcp: Define ME FW interface for > >HDCP2.2 > > > >Defines the HDCP specific ME FW interfaces such as Request CMDs, > >payload structure for CMDs and their response status codes. > > > >This patch defines payload size(Excluding the Header)for each WIRED > >HDCP2.2 CMDs. > > > >v2: Rebased. > >v3: > > Extra comments are removed. > >v4: > > %s/\/\*\*/\/\* > >v5: > > Extra lines are removed. > >v6: > > Remove redundant text from the License header > > %s/LPRIME_HALF/V_PRIME_HALF > > %s/uintxx_t/uxx > >v7: > > Extra taps removed. > > > >Signed-off-by: Ramalingam C <ramalingam.c@xxxxxxxxx> > > Looks ok to me. > Reviewed-by: Uma Shankar <uma.shankar@xxxxxxxxx> Acked-by Tomas Winkler <tomas.winkler@xxxxxxxxx> > > >--- > > drivers/misc/mei/hdcp/mei_hdcp.h | 366 > >+++++++++++++++++++++++++++++++++++++++ > > 1 file changed, 366 insertions(+) > > create mode 100644 drivers/misc/mei/hdcp/mei_hdcp.h > > > >diff --git a/drivers/misc/mei/hdcp/mei_hdcp.h > >b/drivers/misc/mei/hdcp/mei_hdcp.h > >new file mode 100644 > >index 000000000000..582a7e27ae29 > >--- /dev/null > >+++ b/drivers/misc/mei/hdcp/mei_hdcp.h > >@@ -0,0 +1,366 @@ > >+/* SPDX-License-Identifier: (GPL-2.0+) */ > >+/* > >+ * Copyright © 2017-2018 Intel Corporation > >+ * > >+ * Authors: > >+ * Ramalingam C <ramalingam.c@xxxxxxxxx> */ > >+ > >+#ifndef __MEI_HDCP_H__ > >+#define __MEI_HDCP_H__ > >+ > >+#include <drm/drm_hdcp.h> > >+ > >+/* me_hdcp_status: Enumeration of all HDCP Status Codes */ enum > >+me_hdcp_status { > >+ ME_HDCP_STATUS_SUCCESS = 0x0000, > >+ > >+ /* WiDi Generic Status Codes */ > >+ ME_HDCP_STATUS_INTERNAL_ERROR = 0x1000, > >+ ME_HDCP_STATUS_UNKNOWN_ERROR = 0x1001, > >+ ME_HDCP_STATUS_INCORRECT_API_VERSION = 0x1002, > >+ ME_HDCP_STATUS_INVALID_FUNCTION = 0x1003, > >+ ME_HDCP_STATUS_INVALID_BUFFER_LENGTH = 0x1004, > >+ ME_HDCP_STATUS_INVALID_PARAMS = 0x1005, > >+ ME_HDCP_STATUS_AUTHENTICATION_FAILED = 0x1006, > >+ > >+ /* WiDi Status Codes */ > >+ ME_HDCP_INVALID_SESSION_STATE = 0x6000, > >+ ME_HDCP_SRM_FRAGMENT_UNEXPECTED = 0x6001, > >+ ME_HDCP_SRM_INVALID_LENGTH = 0x6002, > >+ ME_HDCP_SRM_FRAGMENT_OFFSET_INVALID = 0x6003, > >+ ME_HDCP_SRM_VERIFICATION_FAILED = 0x6004, > >+ ME_HDCP_SRM_VERSION_TOO_OLD = 0x6005, > >+ ME_HDCP_RX_CERT_VERIFICATION_FAILED = 0x6006, > >+ ME_HDCP_RX_REVOKED = 0x6007, > >+ ME_HDCP_H_VERIFICATION_FAILED = 0x6008, > >+ ME_HDCP_REPEATER_CHECK_UNEXPECTED = 0x6009, > >+ ME_HDCP_TOPOLOGY_MAX_EXCEEDED = 0x600A, > >+ ME_HDCP_V_VERIFICATION_FAILED = 0x600B, > >+ ME_HDCP_L_VERIFICATION_FAILED = 0x600C, > >+ ME_HDCP_STREAM_KEY_ALLOC_FAILED = 0x600D, > >+ ME_HDCP_BASE_KEY_RESET_FAILED = 0x600E, > >+ ME_HDCP_NONCE_GENERATION_FAILED = 0x600F, > >+ ME_HDCP_STATUS_INVALID_E_KEY_STATE = 0x6010, > >+ ME_HDCP_STATUS_INVALID_CS_ICV = 0x6011, > >+ ME_HDCP_STATUS_INVALID_KB_KEY_STATE = 0x6012, > >+ ME_HDCP_STATUS_INVALID_PAVP_MODE_ICV = 0x6013, > >+ ME_HDCP_STATUS_INVALID_PAVP_MODE = 0x6014, > >+ ME_HDCP_STATUS_LC_MAX_ATTEMPTS = 0x6015, > >+ > >+ /* New status for HDCP 2.1 */ > >+ ME_HDCP_STATUS_MISMATCH_IN_M = 0x6016, > >+ > >+ /* New status code for HDCP 2.2 Rx */ > >+ ME_HDCP_STATUS_RX_PROV_NOT_ALLOWED = 0x6017, > >+ ME_HDCP_STATUS_RX_PROV_WRONG_SUBJECT = 0x6018, > >+ ME_HDCP_RX_NEEDS_PROVISIONING = 0x6019, > >+ ME_HDCP_BKSV_ICV_AUTH_FAILED = 0x6020, > >+ ME_HDCP_STATUS_INVALID_STREAM_ID = 0x6021, > >+ ME_HDCP_STATUS_CHAIN_NOT_INITIALIZED = 0x6022, > >+ ME_HDCP_FAIL_NOT_EXPECTED = 0x6023, > >+ ME_HDCP_FAIL_HDCP_OFF = 0x6024, > >+ ME_HDCP_FAIL_INVALID_PAVP_MEMORY_MODE = 0x6025, > >+ ME_HDCP_FAIL_AES_ECB_FAILURE = 0x6026, > >+ ME_HDCP_FEATURE_NOT_SUPPORTED = 0x6027, > >+ ME_HDCP_DMA_READ_ERROR = 0x6028, > >+ ME_HDCP_DMA_WRITE_ERROR = 0x6029, > >+ ME_HDCP_FAIL_INVALID_PACKET_SIZE = 0x6030, > >+ ME_HDCP_H264_PARSING_ERROR = 0x6031, > >+ ME_HDCP_HDCP2_ERRATA_VIDEO_VIOLATION = 0x6032, > >+ ME_HDCP_HDCP2_ERRATA_AUDIO_VIOLATION = 0x6033, > >+ ME_HDCP_TX_ACTIVE_ERROR = 0x6034, > >+ ME_HDCP_MODE_CHANGE_ERROR = 0x6035, > >+ ME_HDCP_STREAM_TYPE_ERROR = 0x6036, > >+ ME_HDCP_STREAM_MANAGE_NOT_POSSIBLE = 0x6037, > >+ > >+ ME_HDCP_STATUS_PORT_INVALID_COMMAND = 0x6038, > >+ ME_HDCP_STATUS_UNSUPPORTED_PROTOCOL = 0x6039, > >+ ME_HDCP_STATUS_INVALID_PORT_INDEX = 0x603a, > >+ ME_HDCP_STATUS_TX_AUTH_NEEDED = 0x603b, > >+ ME_HDCP_STATUS_NOT_INTEGRATED_PORT = 0x603c, > >+ ME_HDCP_STATUS_SESSION_MAX_REACHED = 0x603d, > >+ > >+ /* hdcp capable bit is not set in rx_caps(error is unique to DP) */ > >+ ME_HDCP_STATUS_NOT_HDCP_CAPABLE = 0x6041, > >+ > >+ ME_HDCP_STATUS_INVALID_STREAM_COUNT = 0x6042, > >+}; > >+ > >+#define HDCP_API_VERSION 0x00010000 > >+ > >+#define HDCP_M_LEN 16 > >+#define HDCP_KH_LEN 16 > >+ > >+/* Payload Buffer size(Excluding Header) for CMDs and corresponding > >+response */ > >+/* Wired_Tx_AKE */ > >+#define WIRED_CMD_BUF_LEN_INITIATE_HDCP2_SESSION_IN (4 + 1) > >+#define WIRED_CMD_BUF_LEN_INITIATE_HDCP2_SESSION_OUT (4 + 8 > + > >3) > >+ > >+#define WIRED_CMD_BUF_LEN_VERIFY_RECEIVER_CERT_IN (4 + > >522 + 8 + 3) > >+#define WIRED_CMD_BUF_LEN_VERIFY_RECEIVER_CERT_MIN_OUT > > (4 + 1 + 3 + 16 + 16) > >+#define WIRED_CMD_BUF_LEN_VERIFY_RECEIVER_CERT_MAX_OUT > > (4 + 1 + 3 + 128) > >+ > >+#define WIRED_CMD_BUF_LEN_AKE_SEND_HPRIME_IN (4 + > 32) > >+#define WIRED_CMD_BUF_LEN_AKE_SEND_HPRIME_OUT > > (4) > >+ > >+#define WIRED_CMD_BUF_LEN_SEND_PAIRING_INFO_IN > > (4 + 16) > >+#define WIRED_CMD_BUF_LEN_SEND_PAIRING_INFO_OUT > > (4) > >+ > >+#define WIRED_CMD_BUF_LEN_CLOSE_SESSION_IN (4) > >+#define WIRED_CMD_BUF_LEN_CLOSE_SESSION_OUT (4) > >+ > >+/* Wired_Tx_LC */ > >+#define WIRED_CMD_BUF_LEN_INIT_LOCALITY_CHECK_IN (4) > >+#define WIRED_CMD_BUF_LEN_INIT_LOCALITY_CHECK_OUT (4 + 8) > >+ > >+#define WIRED_CMD_BUF_LEN_VALIDATE_LOCALITY_IN > > (4 + 32) > >+#define WIRED_CMD_BUF_LEN_VALIDATE_LOCALITY_OUT > > (4) > >+ > >+/* Wired_Tx_SKE */ > >+#define WIRED_CMD_BUF_LEN_GET_SESSION_KEY_IN (4) > >+#define WIRED_CMD_BUF_LEN_GET_SESSION_KEY_OUT > > (4 + 16 + 8) > >+ > >+/* Wired_Tx_SKE */ > >+#define WIRED_CMD_BUF_LEN_ENABLE_AUTH_IN (4 + 1) > >+#define WIRED_CMD_BUF_LEN_ENABLE_AUTH_OUT (4) > >+ > >+/* Wired_Tx_Repeater */ > >+#define WIRED_CMD_BUF_LEN_VERIFY_REPEATER_IN (4 + 2 > + > >3 + 16 + 155) > >+#define WIRED_CMD_BUF_LEN_VERIFY_REPEATER_OUT > > (4 + 1 + 16) > >+ > >+#define > > WIRED_CMD_BUF_LEN_REPEATER_AUTH_STREAM_REQ_MIN_IN > > (4 + 3 + \ > >+ 32 + 2 + 2) > >+ > >+#define WIRED_CMD_BUF_LEN_REPEATER_AUTH_STREAM_REQ_OUT > > (4) > >+ > >+/* hdcp_command_id: Enumeration of all WIRED HDCP Command IDs */ > enum > >+hdcp_command_id { > >+ _WIDI_COMMAND_BASE = 0x00030000, > >+ WIDI_INITIATE_HDCP2_SESSION = _WIDI_COMMAND_BASE, > >+ HDCP_GET_SRM_STATUS, > >+ HDCP_SEND_SRM_FRAGMENT, > >+ > >+ /* The wired HDCP Tx commands */ > >+ _WIRED_COMMAND_BASE = 0x00031000, > >+ WIRED_INITIATE_HDCP2_SESSION = _WIRED_COMMAND_BASE, > >+ WIRED_VERIFY_RECEIVER_CERT, > >+ WIRED_AKE_SEND_HPRIME, > >+ WIRED_AKE_SEND_PAIRING_INFO, > >+ WIRED_INIT_LOCALITY_CHECK, > >+ WIRED_VALIDATE_LOCALITY, > >+ WIRED_GET_SESSION_KEY, > >+ WIRED_ENABLE_AUTH, > >+ WIRED_VERIFY_REPEATER, > >+ WIRED_REPEATER_AUTH_STREAM_REQ, > >+ WIRED_CLOSE_SESSION, > >+ > >+ _WIRED_COMMANDS_COUNT, > >+}; > >+ > >+union encrypted_buff { > >+ u8 e_kpub_km[HDCP_2_2_E_KPUB_KM_LEN]; > >+ u8 e_kh_km_m[HDCP_2_2_E_KH_KM_M_LEN]; > >+ struct { > >+ u8 e_kh_km[HDCP_KH_LEN]; > >+ u8 m[HDCP_M_LEN]; > >+ } __packed; > >+}; > >+ > >+/* HDCP HECI message header. All header values are little endian. */ > >+struct hdcp_cmd_header { > >+ u32 api_version; > >+ u32 command_id; > >+ enum me_hdcp_status status; > >+ /* Length of the HECI message (excluding the header) */ > >+ u32 buffer_len; > >+} __packed; > >+ > >+/* Empty command request or response. No data follows the header. */ > >+struct hdcp_cmd_no_data { > >+ struct hdcp_cmd_header header; > >+} __packed; > >+ > >+/* Uniquely identifies the hdcp port being addressed for a given > >+command. */ struct hdcp_port_id { > >+ u8 integrated_port_type; > >+ u8 physical_port; > >+ u16 reserved; > >+} __packed; > >+ > >+/* > >+ * Data structures for integrated wired HDCP2 Tx in > >+ * support of the AKE protocol > >+ */ > >+/* HECI struct for integrated wired HDCP Tx session initiation. */ > >+struct wired_cmd_initiate_hdcp2_session_in { > >+ struct hdcp_cmd_header header; > >+ struct hdcp_port_id port; > >+ u8 protocol; /* for HDMI vs DP */ > >+} __packed; > >+ > >+struct wired_cmd_initiate_hdcp2_session_out { > >+ struct hdcp_cmd_header header; > >+ struct hdcp_port_id port; > >+ u8 r_tx[HDCP_2_2_RTX_LEN]; > >+ struct hdcp2_tx_caps tx_caps; > >+} __packed; > >+ > >+/* HECI struct for ending an integrated wired HDCP Tx session. */ > >+struct wired_cmd_close_session_in { > >+ struct hdcp_cmd_header header; > >+ struct hdcp_port_id port; > >+} __packed; > >+ > >+struct wired_cmd_close_session_out { > >+ struct hdcp_cmd_header header; > >+ struct hdcp_port_id port; > >+} __packed; > >+ > >+/* HECI struct for integrated wired HDCP Tx Rx Cert verification. */ > >+struct wired_cmd_verify_receiver_cert_in { > >+ struct hdcp_cmd_header header; > >+ struct hdcp_port_id port; > >+ struct hdcp2_cert_rx cert_rx; > >+ u8 r_rx[HDCP_2_2_RRX_LEN]; > >+ u8 rx_caps[HDCP_2_2_RXCAPS_LEN]; > >+} __packed; > >+ > >+struct wired_cmd_verify_receiver_cert_out { > >+ struct hdcp_cmd_header header; > >+ struct hdcp_port_id port; > >+ u8 km_stored; > >+ u8 reserved[3]; > >+ union encrypted_buff ekm_buff; > >+} __packed; > >+ > >+/* HECI struct for verification of Rx's Hprime in a HDCP Tx session */ > >+struct wired_cmd_ake_send_hprime_in { > >+ struct hdcp_cmd_header header; > >+ struct hdcp_port_id port; > >+ u8 h_prime[HDCP_2_2_H_PRIME_LEN]; > >+} __packed; > >+ > >+struct wired_cmd_ake_send_hprime_out { > >+ struct hdcp_cmd_header header; > >+ struct hdcp_port_id port; > >+} __packed; > >+ > >+/* > >+ * HECI struct for sending in AKE pairing data generated by the Rx in > >+an > >+ * integrated wired HDCP Tx session. > >+ */ > >+struct wired_cmd_ake_send_pairing_info_in { > >+ struct hdcp_cmd_header header; > >+ struct hdcp_port_id port; > >+ u8 e_kh_km[HDCP_2_2_E_KH_KM_LEN]; > >+} __packed; > >+ > >+struct wired_cmd_ake_send_pairing_info_out { > >+ struct hdcp_cmd_header header; > >+ struct hdcp_port_id port; > >+} __packed; > >+ > >+/* Data structures for integrated wired HDCP2 Tx in support of the LC > >+protocol*/ > >+/* > >+ * HECI struct for initiating locality check with an > >+ * integrated wired HDCP Tx session. > >+ */ > >+struct wired_cmd_init_locality_check_in { > >+ struct hdcp_cmd_header header; > >+ struct hdcp_port_id port; > >+} __packed; > >+ > >+struct wired_cmd_init_locality_check_out { > >+ struct hdcp_cmd_header header; > >+ struct hdcp_port_id port; > >+ u8 r_n[HDCP_2_2_RN_LEN]; > >+} __packed; > >+ > >+/* > >+ * HECI struct for validating an Rx's LPrime value in an > >+ * integrated wired HDCP Tx session. > >+ */ > >+struct wired_cmd_validate_locality_in { > >+ struct hdcp_cmd_header header; > >+ struct hdcp_port_id port; > >+ u8 l_prime[HDCP_2_2_L_PRIME_LEN]; > >+} __packed; > >+ > >+struct wired_cmd_validate_locality_out { > >+ struct hdcp_cmd_header header; > >+ struct hdcp_port_id port; > >+} __packed; > >+ > >+/* > >+ * Data structures for integrated wired HDCP2 Tx in support of the > >+ * SKE protocol > >+ */ > >+/* HECI struct for creating session key */ struct > >+wired_cmd_get_session_key_in { > >+ struct hdcp_cmd_header header; > >+ struct hdcp_port_id port; > >+} __packed; > >+ > >+struct wired_cmd_get_session_key_out { > >+ struct hdcp_cmd_header header; > >+ struct hdcp_port_id port; > >+ u8 e_dkey_ks[HDCP_2_2_E_DKEY_KS_LEN]; > >+ u8 r_iv[HDCP_2_2_RIV_LEN]; > >+} __packed; > >+ > >+/* HECI struct for the Tx enable authentication command */ struct > >+wired_cmd_enable_auth_in { > >+ struct hdcp_cmd_header header; > >+ struct hdcp_port_id port; > >+ u8 stream_type; > >+} __packed; > >+ > >+struct wired_cmd_enable_auth_out { > >+ struct hdcp_cmd_header header; > >+ struct hdcp_port_id port; > >+} __packed; > >+ > >+/* > >+ * Data structures for integrated wired HDCP2 Tx in support of > >+ * the repeater protocols > >+ */ > >+/* > >+ * HECI struct for verifying the downstream repeater's HDCP topology > >+in an > >+ * integrated wired HDCP Tx session. > >+ */ > >+struct wired_cmd_verify_repeater_in { > >+ struct hdcp_cmd_header header; > >+ struct hdcp_port_id port; > >+ u8 rx_info[HDCP_2_2_RXINFO_LEN]; > >+ u8 seq_num_v[HDCP_2_2_SEQ_NUM_LEN]; > >+ u8 v_prime[HDCP_2_2_V_PRIME_HALF_LEN]; > >+ u8 > > receiver_ids[HDCP_2_2_RECEIVER_IDS_MAX_LEN]; > >+} __packed; > >+ > >+struct wired_cmd_verify_repeater_out { > >+ struct hdcp_cmd_header header; > >+ struct hdcp_port_id port; > >+ u8 content_type_supported; > >+ u8 v[HDCP_2_2_V_PRIME_HALF_LEN]; > >+} __packed; > >+ > >+/* > >+ * HECI struct in support of stream management in an > >+ * integrated wired HDCP Tx session. > >+ */ > >+struct wired_cmd_repeater_auth_stream_req_in { > >+ struct hdcp_cmd_header header; > >+ struct hdcp_port_id port; > >+ u8 > > seq_num_m[HDCP_2_2_SEQ_NUM_LEN]; > >+ u8 m_prime[HDCP_2_2_MPRIME_LEN]; > >+ u16 k; > >+ struct hdcp2_streamid_type streams[1]; > >+} __packed; > >+ > >+struct wired_cmd_repeater_auth_stream_req_out { > >+ struct hdcp_cmd_header header; > >+ struct hdcp_port_id port; > >+} __packed; > >+ > >+#endif /* __MEI_HDCP_H__ */ > >-- > >2.7.4 _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx