> -----Original Message-----
> From: Kandpal, Suraj <suraj.kandpal@xxxxxxxxx>
> Sent: Wednesday, February 1, 2023 2:38 PM
> To: intel-gfx@xxxxxxxxxxxxxxxxxxxxx
> Cc: Nautiyal, Ankit K <ankit.k.nautiyal@xxxxxxxxx>; Kandpal, Suraj
> <suraj.kandpal@xxxxxxxxx>; Winkler, Tomas <tomas.winkler@xxxxxxxxx>; Vivi,
> Rodrigo <rodrigo.vivi@xxxxxxxxx>; Shankar, Uma <uma.shankar@xxxxxxxxx>; Gupta,
> Anshuman <anshuman.gupta@xxxxxxxxx>
> Subject: [PATCH v10 4/6] drm/i915/hdcp: Refactor HDCP API structures
>
> It requires to move intel specific HDCP API structures to i915_hdcp_interface.h from
> driver/misc/mei/hdcp/mei_hdcp.h so that any content protection fw interfaces can
> use these structures.
Looks Good to me.
Reviewed-by: Uma Shankar <uma.shankar@xxxxxxxxx>
> Cc: Tomas Winkler <tomas.winkler@xxxxxxxxx>
> Cc: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>
> Cc: Uma Shankar <uma.shankar@xxxxxxxxx>
> Cc: Ankit Nautiyal <ankit.k.nautiyal@xxxxxxxxx>
> Signed-off-by: Anshuman Gupta <anshuman.gupta@xxxxxxxxx>
> Signed-off-by: Suraj Kandpal <suraj.kandpal@xxxxxxxxx>
> Reviewed-by: Ankit Nautiyal <ankit.k.nautiyal@xxxxxxxxx>
> ---
> drivers/misc/mei/hdcp/mei_hdcp.c | 44 ++-- drivers/misc/mei/hdcp/mei_hdcp.h |
> 354 ----------------------------- include/drm/i915_hdcp_interface.h | 355
> ++++++++++++++++++++++++++++++
> 3 files changed, 377 insertions(+), 376 deletions(-)
>
> diff --git a/drivers/misc/mei/hdcp/mei_hdcp.c b/drivers/misc/mei/hdcp/mei_hdcp.c
> index b2c49599809c..a262e1fa3b48 100644
> --- a/drivers/misc/mei/hdcp/mei_hdcp.c
> +++ b/drivers/misc/mei/hdcp/mei_hdcp.c
> @@ -52,7 +52,7 @@ mei_hdcp_initiate_session(struct device *dev, struct
> hdcp_port_data *data,
>
> session_init_in.header.api_version = HDCP_API_VERSION;
> session_init_in.header.command_id = WIRED_INITIATE_HDCP2_SESSION;
> - session_init_in.header.status = ME_HDCP_STATUS_SUCCESS;
> + session_init_in.header.status = FW_HDCP_STATUS_SUCCESS;
> session_init_in.header.buffer_len =
>
> WIRED_CMD_BUF_LEN_INITIATE_HDCP2_SESSION_IN;
>
> @@ -75,7 +75,7 @@ mei_hdcp_initiate_session(struct device *dev, struct
> hdcp_port_data *data,
> return byte;
> }
>
> - if (session_init_out.header.status != ME_HDCP_STATUS_SUCCESS) {
> + if (session_init_out.header.status != FW_HDCP_STATUS_SUCCESS) {
> dev_dbg(dev, "ME cmd 0x%08X Failed. Status: 0x%X\n",
> WIRED_INITIATE_HDCP2_SESSION,
> session_init_out.header.status);
> @@ -122,7 +122,7 @@ mei_hdcp_verify_receiver_cert_prepare_km(struct device
> *dev,
>
> verify_rxcert_in.header.api_version = HDCP_API_VERSION;
> verify_rxcert_in.header.command_id = WIRED_VERIFY_RECEIVER_CERT;
> - verify_rxcert_in.header.status = ME_HDCP_STATUS_SUCCESS;
> + verify_rxcert_in.header.status = FW_HDCP_STATUS_SUCCESS;
> verify_rxcert_in.header.buffer_len =
>
> WIRED_CMD_BUF_LEN_VERIFY_RECEIVER_CERT_IN;
>
> @@ -148,7 +148,7 @@ mei_hdcp_verify_receiver_cert_prepare_km(struct device
> *dev,
> return byte;
> }
>
> - if (verify_rxcert_out.header.status != ME_HDCP_STATUS_SUCCESS) {
> + if (verify_rxcert_out.header.status != FW_HDCP_STATUS_SUCCESS) {
> dev_dbg(dev, "ME cmd 0x%08X Failed. Status: 0x%X\n",
> WIRED_VERIFY_RECEIVER_CERT,
> verify_rxcert_out.header.status);
> @@ -194,7 +194,7 @@ mei_hdcp_verify_hprime(struct device *dev, struct
> hdcp_port_data *data,
>
> send_hprime_in.header.api_version = HDCP_API_VERSION;
> send_hprime_in.header.command_id = WIRED_AKE_SEND_HPRIME;
> - send_hprime_in.header.status = ME_HDCP_STATUS_SUCCESS;
> + send_hprime_in.header.status = FW_HDCP_STATUS_SUCCESS;
> send_hprime_in.header.buffer_len =
> WIRED_CMD_BUF_LEN_AKE_SEND_HPRIME_IN;
>
> send_hprime_in.port.integrated_port_type = data->port_type; @@ -218,7
> +218,7 @@ mei_hdcp_verify_hprime(struct device *dev, struct hdcp_port_data
> *data,
> return byte;
> }
>
> - if (send_hprime_out.header.status != ME_HDCP_STATUS_SUCCESS) {
> + if (send_hprime_out.header.status != FW_HDCP_STATUS_SUCCESS) {
> dev_dbg(dev, "ME cmd 0x%08X Failed. Status: 0x%X\n",
> WIRED_AKE_SEND_HPRIME,
> send_hprime_out.header.status);
> return -EIO;
> @@ -251,7 +251,7 @@ mei_hdcp_store_pairing_info(struct device *dev, struct
> hdcp_port_data *data,
>
> pairing_info_in.header.api_version = HDCP_API_VERSION;
> pairing_info_in.header.command_id = WIRED_AKE_SEND_PAIRING_INFO;
> - pairing_info_in.header.status = ME_HDCP_STATUS_SUCCESS;
> + pairing_info_in.header.status = FW_HDCP_STATUS_SUCCESS;
> pairing_info_in.header.buffer_len =
>
> WIRED_CMD_BUF_LEN_SEND_PAIRING_INFO_IN;
>
> @@ -276,7 +276,7 @@ mei_hdcp_store_pairing_info(struct device *dev, struct
> hdcp_port_data *data,
> return byte;
> }
>
> - if (pairing_info_out.header.status != ME_HDCP_STATUS_SUCCESS) {
> + if (pairing_info_out.header.status != FW_HDCP_STATUS_SUCCESS) {
> dev_dbg(dev, "ME cmd 0x%08X failed. Status: 0x%X\n",
> WIRED_AKE_SEND_PAIRING_INFO,
> pairing_info_out.header.status);
> @@ -311,7 +311,7 @@ mei_hdcp_initiate_locality_check(struct device *dev,
>
> lc_init_in.header.api_version = HDCP_API_VERSION;
> lc_init_in.header.command_id = WIRED_INIT_LOCALITY_CHECK;
> - lc_init_in.header.status = ME_HDCP_STATUS_SUCCESS;
> + lc_init_in.header.status = FW_HDCP_STATUS_SUCCESS;
> lc_init_in.header.buffer_len =
> WIRED_CMD_BUF_LEN_INIT_LOCALITY_CHECK_IN;
>
> lc_init_in.port.integrated_port_type = data->port_type; @@ -330,7 +330,7
> @@ mei_hdcp_initiate_locality_check(struct device *dev,
> return byte;
> }
>
> - if (lc_init_out.header.status != ME_HDCP_STATUS_SUCCESS) {
> + if (lc_init_out.header.status != FW_HDCP_STATUS_SUCCESS) {
> dev_dbg(dev, "ME cmd 0x%08X Failed. status: 0x%X\n",
> WIRED_INIT_LOCALITY_CHECK, lc_init_out.header.status);
> return -EIO;
> @@ -366,7 +366,7 @@ mei_hdcp_verify_lprime(struct device *dev, struct
> hdcp_port_data *data,
>
> verify_lprime_in.header.api_version = HDCP_API_VERSION;
> verify_lprime_in.header.command_id = WIRED_VALIDATE_LOCALITY;
> - verify_lprime_in.header.status = ME_HDCP_STATUS_SUCCESS;
> + verify_lprime_in.header.status = FW_HDCP_STATUS_SUCCESS;
> verify_lprime_in.header.buffer_len =
>
> WIRED_CMD_BUF_LEN_VALIDATE_LOCALITY_IN;
>
> @@ -391,7 +391,7 @@ mei_hdcp_verify_lprime(struct device *dev, struct
> hdcp_port_data *data,
> return byte;
> }
>
> - if (verify_lprime_out.header.status != ME_HDCP_STATUS_SUCCESS) {
> + if (verify_lprime_out.header.status != FW_HDCP_STATUS_SUCCESS) {
> dev_dbg(dev, "ME cmd 0x%08X failed. status: 0x%X\n",
> WIRED_VALIDATE_LOCALITY,
> verify_lprime_out.header.status);
> @@ -425,7 +425,7 @@ static int mei_hdcp_get_session_key(struct device *dev,
>
> get_skey_in.header.api_version = HDCP_API_VERSION;
> get_skey_in.header.command_id = WIRED_GET_SESSION_KEY;
> - get_skey_in.header.status = ME_HDCP_STATUS_SUCCESS;
> + get_skey_in.header.status = FW_HDCP_STATUS_SUCCESS;
> get_skey_in.header.buffer_len =
> WIRED_CMD_BUF_LEN_GET_SESSION_KEY_IN;
>
> get_skey_in.port.integrated_port_type = data->port_type; @@ -445,7
> +445,7 @@ static int mei_hdcp_get_session_key(struct device *dev,
> return byte;
> }
>
> - if (get_skey_out.header.status != ME_HDCP_STATUS_SUCCESS) {
> + if (get_skey_out.header.status != FW_HDCP_STATUS_SUCCESS) {
> dev_dbg(dev, "ME cmd 0x%08X failed. status: 0x%X\n",
> WIRED_GET_SESSION_KEY, get_skey_out.header.status);
> return -EIO;
> @@ -489,7 +489,7 @@ mei_hdcp_repeater_check_flow_prepare_ack(struct device
> *dev,
>
> verify_repeater_in.header.api_version = HDCP_API_VERSION;
> verify_repeater_in.header.command_id = WIRED_VERIFY_REPEATER;
> - verify_repeater_in.header.status = ME_HDCP_STATUS_SUCCESS;
> + verify_repeater_in.header.status = FW_HDCP_STATUS_SUCCESS;
> verify_repeater_in.header.buffer_len =
>
> WIRED_CMD_BUF_LEN_VERIFY_REPEATER_IN;
>
> @@ -520,7 +520,7 @@ mei_hdcp_repeater_check_flow_prepare_ack(struct device
> *dev,
> return byte;
> }
>
> - if (verify_repeater_out.header.status != ME_HDCP_STATUS_SUCCESS) {
> + if (verify_repeater_out.header.status != FW_HDCP_STATUS_SUCCESS) {
> dev_dbg(dev, "ME cmd 0x%08X failed. status: 0x%X\n",
> WIRED_VERIFY_REPEATER,
> verify_repeater_out.header.status);
> @@ -568,7 +568,7 @@ static int mei_hdcp_verify_mprime(struct device *dev,
>
> verify_mprime_in->header.api_version = HDCP_API_VERSION;
> verify_mprime_in->header.command_id =
> WIRED_REPEATER_AUTH_STREAM_REQ;
> - verify_mprime_in->header.status = ME_HDCP_STATUS_SUCCESS;
> + verify_mprime_in->header.status = FW_HDCP_STATUS_SUCCESS;
> verify_mprime_in->header.buffer_len = cmd_size - sizeof(verify_mprime_in-
> >header);
>
> verify_mprime_in->port.integrated_port_type = data->port_type; @@ -
> 597,7 +597,7 @@ static int mei_hdcp_verify_mprime(struct device *dev,
> return byte;
> }
>
> - if (verify_mprime_out.header.status != ME_HDCP_STATUS_SUCCESS) {
> + if (verify_mprime_out.header.status != FW_HDCP_STATUS_SUCCESS) {
> dev_dbg(dev, "ME cmd 0x%08X failed. status: 0x%X\n",
> WIRED_REPEATER_AUTH_STREAM_REQ,
> verify_mprime_out.header.status);
> @@ -630,7 +630,7 @@ static int mei_hdcp_enable_authentication(struct device
> *dev,
>
> enable_auth_in.header.api_version = HDCP_API_VERSION;
> enable_auth_in.header.command_id = WIRED_ENABLE_AUTH;
> - enable_auth_in.header.status = ME_HDCP_STATUS_SUCCESS;
> + enable_auth_in.header.status = FW_HDCP_STATUS_SUCCESS;
> enable_auth_in.header.buffer_len =
> WIRED_CMD_BUF_LEN_ENABLE_AUTH_IN;
>
> enable_auth_in.port.integrated_port_type = data->port_type; @@ -652,7
> +652,7 @@ static int mei_hdcp_enable_authentication(struct device *dev,
> return byte;
> }
>
> - if (enable_auth_out.header.status != ME_HDCP_STATUS_SUCCESS) {
> + if (enable_auth_out.header.status != FW_HDCP_STATUS_SUCCESS) {
> dev_dbg(dev, "ME cmd 0x%08X failed. status: 0x%X\n",
> WIRED_ENABLE_AUTH, enable_auth_out.header.status);
> return -EIO;
> @@ -684,7 +684,7 @@ mei_hdcp_close_session(struct device *dev, struct
> hdcp_port_data *data)
>
> session_close_in.header.api_version = HDCP_API_VERSION;
> session_close_in.header.command_id = WIRED_CLOSE_SESSION;
> - session_close_in.header.status = ME_HDCP_STATUS_SUCCESS;
> + session_close_in.header.status = FW_HDCP_STATUS_SUCCESS;
> session_close_in.header.buffer_len =
> WIRED_CMD_BUF_LEN_CLOSE_SESSION_IN;
>
> @@ -706,7 +706,7 @@ mei_hdcp_close_session(struct device *dev, struct
> hdcp_port_data *data)
> return byte;
> }
>
> - if (session_close_out.header.status != ME_HDCP_STATUS_SUCCESS) {
> + if (session_close_out.header.status != FW_HDCP_STATUS_SUCCESS) {
> dev_dbg(dev, "Session Close Failed. status: 0x%X\n",
> session_close_out.header.status);
> return -EIO;
> diff --git a/drivers/misc/mei/hdcp/mei_hdcp.h b/drivers/misc/mei/hdcp/mei_hdcp.h
> index ca09c8f83d6b..0683d83ec17a 100644
> --- a/drivers/misc/mei/hdcp/mei_hdcp.h
> +++ b/drivers/misc/mei/hdcp/mei_hdcp.h
> @@ -11,358 +11,4 @@
>
> #include <drm/display/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;
> - /* physical_port is used until Gen11.5. Must be zero for Gen11.5+ */
> - u8 physical_port;
> - /* attached_transcoder is for Gen11.5+. Set to zero for <Gen11.5 */
> - u8 attached_transcoder;
> - u8 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];
> - __be16 k;
> - struct hdcp2_streamid_type streams[];
> -} __packed;
> -
> -struct wired_cmd_repeater_auth_stream_req_out {
> - struct hdcp_cmd_header header;
> - struct hdcp_port_id port;
> -} __packed;
> #endif /* __MEI_HDCP_H__ */
> diff --git a/include/drm/i915_hdcp_interface.h b/include/drm/i915_hdcp_interface.h
> index 75c75f52ab1b..004412040909 100644
> --- a/include/drm/i915_hdcp_interface.h
> +++ b/include/drm/i915_hdcp_interface.h
> @@ -181,4 +181,359 @@ struct i915_hdcp_master {
> struct mutex mutex;
> };
>
> +/* fw_hdcp_status: Enumeration of all HDCP Status Codes */ enum
> +fw_hdcp_status {
> + FW_HDCP_STATUS_SUCCESS = 0x0000,
> +
> + /* WiDi Generic Status Codes */
> + FW_HDCP_STATUS_INTERNAL_ERROR = 0x1000,
> + FW_HDCP_STATUS_UNKNOWN_ERROR = 0x1001,
> + FW_HDCP_STATUS_INCORRECT_API_VERSION = 0x1002,
> + FW_HDCP_STATUS_INVALID_FUNCTION = 0x1003,
> + FW_HDCP_STATUS_INVALID_BUFFER_LENGTH = 0x1004,
> + FW_HDCP_STATUS_INVALID_PARAMS = 0x1005,
> + FW_HDCP_STATUS_AUTHENTICATION_FAILED = 0x1006,
> +
> + /* WiDi Status Codes */
> + FW_HDCP_INVALID_SESSION_STATE = 0x6000,
> + FW_HDCP_SRM_FRAGMENT_UNEXPECTED = 0x6001,
> + FW_HDCP_SRM_INVALID_LENGTH = 0x6002,
> + FW_HDCP_SRM_FRAGMENT_OFFSET_INVALID = 0x6003,
> + FW_HDCP_SRM_VERIFICATION_FAILED = 0x6004,
> + FW_HDCP_SRM_VERSION_TOO_OLD = 0x6005,
> + FW_HDCP_RX_CERT_VERIFICATION_FAILED = 0x6006,
> + FW_HDCP_RX_REVOKED = 0x6007,
> + FW_HDCP_H_VERIFICATION_FAILED = 0x6008,
> + FW_HDCP_REPEATER_CHECK_UNEXPECTED = 0x6009,
> + FW_HDCP_TOPOLOGY_MAX_EXCEEDED = 0x600A,
> + FW_HDCP_V_VERIFICATION_FAILED = 0x600B,
> + FW_HDCP_L_VERIFICATION_FAILED = 0x600C,
> + FW_HDCP_STREAM_KEY_ALLOC_FAILED = 0x600D,
> + FW_HDCP_BASE_KEY_RESET_FAILED = 0x600E,
> + FW_HDCP_NONCE_GENERATION_FAILED = 0x600F,
> + FW_HDCP_STATUS_INVALID_E_KEY_STATE = 0x6010,
> + FW_HDCP_STATUS_INVALID_CS_ICV = 0x6011,
> + FW_HDCP_STATUS_INVALID_KB_KEY_STATE = 0x6012,
> + FW_HDCP_STATUS_INVALID_PAVP_MODE_ICV = 0x6013,
> + FW_HDCP_STATUS_INVALID_PAVP_MODE = 0x6014,
> + FW_HDCP_STATUS_LC_MAX_ATTEMPTS = 0x6015,
> +
> + /* New status for HDCP 2.1 */
> + FW_HDCP_STATUS_MISMATCH_IN_M = 0x6016,
> +
> + /* New status code for HDCP 2.2 Rx */
> + FW_HDCP_STATUS_RX_PROV_NOT_ALLOWED = 0x6017,
> + FW_HDCP_STATUS_RX_PROV_WRONG_SUBJECT = 0x6018,
> + FW_HDCP_RX_NEEDS_PROVISIONING = 0x6019,
> + FW_HDCP_BKSV_ICV_AUTH_FAILED = 0x6020,
> + FW_HDCP_STATUS_INVALID_STREAM_ID = 0x6021,
> + FW_HDCP_STATUS_CHAIN_NOT_INITIALIZED = 0x6022,
> + FW_HDCP_FAIL_NOT_EXPECTED = 0x6023,
> + FW_HDCP_FAIL_HDCP_OFF = 0x6024,
> + FW_HDCP_FAIL_INVALID_PAVP_MEMORY_MODE = 0x6025,
> + FW_HDCP_FAIL_AES_ECB_FAILURE = 0x6026,
> + FW_HDCP_FEATURE_NOT_SUPPORTED = 0x6027,
> + FW_HDCP_DMA_READ_ERROR = 0x6028,
> + FW_HDCP_DMA_WRITE_ERROR = 0x6029,
> + FW_HDCP_FAIL_INVALID_PACKET_SIZE = 0x6030,
> + FW_HDCP_H264_PARSING_ERROR = 0x6031,
> + FW_HDCP_HDCP2_ERRATA_VIDEO_VIOLATION = 0x6032,
> + FW_HDCP_HDCP2_ERRATA_AUDIO_VIOLATION = 0x6033,
> + FW_HDCP_TX_ACTIVE_ERROR = 0x6034,
> + FW_HDCP_MODE_CHANGE_ERROR = 0x6035,
> + FW_HDCP_STREAM_TYPE_ERROR = 0x6036,
> + FW_HDCP_STREAM_MANAGE_NOT_POSSIBLE = 0x6037,
> +
> + FW_HDCP_STATUS_PORT_INVALID_COMMAND = 0x6038,
> + FW_HDCP_STATUS_UNSUPPORTED_PROTOCOL = 0x6039,
> + FW_HDCP_STATUS_INVALID_PORT_INDEX = 0x603a,
> + FW_HDCP_STATUS_TX_AUTH_NEEDED = 0x603b,
> + FW_HDCP_STATUS_NOT_INTEGRATED_PORT = 0x603c,
> + FW_HDCP_STATUS_SESSION_MAX_REACHED = 0x603d,
> +
> + /* hdcp capable bit is not set in rx_caps(error is unique to DP) */
> + FW_HDCP_STATUS_NOT_HDCP_CAPABLE = 0x6041,
> +
> + FW_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 fw_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;
> + /* physical_port is used until Gen11.5. Must be zero for Gen11.5+ */
> + u8 physical_port;
> + /* attached_transcoder is for Gen11.5+. Set to zero for <Gen11.5 */
> + u8 attached_transcoder;
> + u8 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];
> + __be16 k;
> + struct hdcp2_streamid_type streams[];
> +} __packed;
> +
> +struct wired_cmd_repeater_auth_stream_req_out {
> + struct hdcp_cmd_header header;
> + struct hdcp_port_id port;
> +} __packed;
> +
> #endif /* _I915_HDCP_INTERFACE_H_ */
> --
> 2.25.1
