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Commit 8913f7ff authored by Bhawanpreet Lakha's avatar Bhawanpreet Lakha Committed by Alex Deucher
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drm/amd/display: Guard calls to hdcp_ta and dtm_ta 

[Why]
The buffer used when calling psp is a shared buffer. If we have multiple calls
at the same time we can overwrite the buffer.

[How]
Add mutex to guard the shared buffer.
Signed-off-by: default avatarBhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Reviewed-by: default avatarNicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent c0ed2ca6
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Inline Side-by-side
Showing with 257 additions and 167 deletions
drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
View file @ 8913f7ff
......@@ -888,6 +888,7 @@ static int psp_hdcp_load(struct psp_context *psp)
if (!ret) {
psp->hdcp_context.hdcp_initialized = true;
psp->hdcp_context.session_id = cmd->resp.session_id;
mutex_init(&psp->hdcp_context.mutex);
}
kfree(cmd);
......@@ -1033,6 +1034,7 @@ static int psp_dtm_load(struct psp_context *psp)
if (!ret) {
psp->dtm_context.dtm_initialized = true;
psp->dtm_context.session_id = cmd->resp.session_id;
mutex_init(&psp->dtm_context.mutex);
}
kfree(cmd);
......
drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h
View file @ 8913f7ff
......@@ -161,6 +161,7 @@ struct psp_hdcp_context {
struct amdgpu_bo *hdcp_shared_bo;
uint64_t hdcp_shared_mc_addr;
void *hdcp_shared_buf;
struct mutex mutex;
};
struct psp_dtm_context {
......@@ -169,6 +170,7 @@ struct psp_dtm_context {
struct amdgpu_bo *dtm_shared_bo;
uint64_t dtm_shared_mc_addr;
void *dtm_shared_buf;
struct mutex mutex;
};
#define MEM_TRAIN_SYSTEM_SIGNATURE 0x54534942
......
drivers/gpu/drm/amd/display/modules/hdcp/hdcp_psp.c
View file @ 8913f7ff
......@@ -51,12 +51,15 @@ enum mod_hdcp_status mod_hdcp_remove_display_from_topology(
struct ta_dtm_shared_memory *dtm_cmd;
struct mod_hdcp_display *display =
get_active_display_at_index(hdcp, index);
enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
dtm_cmd = (struct ta_dtm_shared_memory *)psp->dtm_context.dtm_shared_buf;
if (!display || !is_display_added(display))
return MOD_HDCP_STATUS_DISPLAY_NOT_FOUND;
mutex_lock(&psp->dtm_context.mutex);
memset(dtm_cmd, 0, sizeof(struct ta_dtm_shared_memory));
dtm_cmd->cmd_id = TA_DTM_COMMAND__TOPOLOGY_UPDATE_V2;
......@@ -66,14 +69,15 @@ enum mod_hdcp_status mod_hdcp_remove_display_from_topology(
psp_dtm_invoke(psp, dtm_cmd->cmd_id);
if (dtm_cmd->dtm_status != TA_DTM_STATUS__SUCCESS)
return MOD_HDCP_STATUS_UPDATE_TOPOLOGY_FAILURE;
if (dtm_cmd->dtm_status != TA_DTM_STATUS__SUCCESS) {
status = MOD_HDCP_STATUS_UPDATE_TOPOLOGY_FAILURE;
} else {
display->state = MOD_HDCP_DISPLAY_ACTIVE;
HDCP_TOP_REMOVE_DISPLAY_TRACE(hdcp, display->index);
}
return MOD_HDCP_STATUS_SUCCESS;
mutex_unlock(&psp->dtm_context.mutex);
return status;
}
enum mod_hdcp_status mod_hdcp_add_display_to_topology(struct mod_hdcp *hdcp,
uint8_t index)
......@@ -83,6 +87,7 @@ enum mod_hdcp_status mod_hdcp_add_display_to_topology(struct mod_hdcp *hdcp,
struct mod_hdcp_display *display =
get_active_display_at_index(hdcp, index);
struct mod_hdcp_link *link = &hdcp->connection.link;
enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
if (!psp->dtm_context.dtm_initialized) {
DRM_ERROR("Failed to add display topology, DTM TA is not initialized.");
......@@ -94,6 +99,7 @@ enum mod_hdcp_status mod_hdcp_add_display_to_topology(struct mod_hdcp *hdcp,
dtm_cmd = (struct ta_dtm_shared_memory *)psp->dtm_context.dtm_shared_buf;
mutex_lock(&psp->dtm_context.mutex);
memset(dtm_cmd, 0, sizeof(struct ta_dtm_shared_memory));
dtm_cmd->cmd_id = TA_DTM_COMMAND__TOPOLOGY_UPDATE_V2;
......@@ -113,13 +119,15 @@ enum mod_hdcp_status mod_hdcp_add_display_to_topology(struct mod_hdcp *hdcp,
psp_dtm_invoke(psp, dtm_cmd->cmd_id);
if (dtm_cmd->dtm_status != TA_DTM_STATUS__SUCCESS)
return MOD_HDCP_STATUS_UPDATE_TOPOLOGY_FAILURE;
if (dtm_cmd->dtm_status != TA_DTM_STATUS__SUCCESS) {
status = MOD_HDCP_STATUS_UPDATE_TOPOLOGY_FAILURE;
} else {
display->state = MOD_HDCP_DISPLAY_ACTIVE_AND_ADDED;
HDCP_TOP_ADD_DISPLAY_TRACE(hdcp, display->index);
}
return MOD_HDCP_STATUS_SUCCESS;
mutex_unlock(&psp->dtm_context.mutex);
return status;
}
enum mod_hdcp_status mod_hdcp_hdcp1_create_session(struct mod_hdcp *hdcp)
......@@ -128,6 +136,7 @@ enum mod_hdcp_status mod_hdcp_hdcp1_create_session(struct mod_hdcp *hdcp)
struct psp_context *psp = hdcp->config.psp.handle;
struct mod_hdcp_display *display = get_first_added_display(hdcp);
struct ta_hdcp_shared_memory *hdcp_cmd;
enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
if (!psp->hdcp_context.hdcp_initialized) {
DRM_ERROR("Failed to create hdcp session. HDCP TA is not initialized.");
......@@ -135,6 +144,8 @@ enum mod_hdcp_status mod_hdcp_hdcp1_create_session(struct mod_hdcp *hdcp)
}
hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.hdcp_shared_buf;
mutex_lock(&psp->hdcp_context.mutex);
memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory));
hdcp_cmd->in_msg.hdcp1_create_session.display_handle = display->index;
......@@ -144,16 +155,18 @@ enum mod_hdcp_status mod_hdcp_hdcp1_create_session(struct mod_hdcp *hdcp)
hdcp->auth.id = hdcp_cmd->out_msg.hdcp1_create_session.session_handle;
if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS)
return MOD_HDCP_STATUS_HDCP1_CREATE_SESSION_FAILURE;
if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS) {
status = MOD_HDCP_STATUS_HDCP1_CREATE_SESSION_FAILURE;
} else {
hdcp->auth.msg.hdcp1.ainfo = hdcp_cmd->out_msg.hdcp1_create_session.ainfo_primary;
memcpy(hdcp->auth.msg.hdcp1.aksv, hdcp_cmd->out_msg.hdcp1_create_session.aksv_primary,
sizeof(hdcp->auth.msg.hdcp1.aksv));
memcpy(hdcp->auth.msg.hdcp1.an, hdcp_cmd->out_msg.hdcp1_create_session.an_primary,
sizeof(hdcp->auth.msg.hdcp1.an));
}
return MOD_HDCP_STATUS_SUCCESS;
mutex_unlock(&psp->hdcp_context.mutex);
return status;
}
enum mod_hdcp_status mod_hdcp_hdcp1_destroy_session(struct mod_hdcp *hdcp)
......@@ -162,7 +175,9 @@ enum mod_hdcp_status mod_hdcp_hdcp1_destroy_session(struct mod_hdcp *hdcp)
struct psp_context *psp = hdcp->config.psp.handle;
struct ta_hdcp_shared_memory *hdcp_cmd;
uint8_t i = 0;
enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
mutex_lock(&psp->hdcp_context.mutex);
hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.hdcp_shared_buf;
memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory));
......@@ -171,27 +186,30 @@ enum mod_hdcp_status mod_hdcp_hdcp1_destroy_session(struct mod_hdcp *hdcp)
psp_hdcp_invoke(psp, hdcp_cmd->cmd_id);
if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS)
return MOD_HDCP_STATUS_HDCP1_DESTROY_SESSION_FAILURE;
if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS) {
status = MOD_HDCP_STATUS_HDCP1_DESTROY_SESSION_FAILURE;
} else {
HDCP_TOP_HDCP1_DESTROY_SESSION_TRACE(hdcp);
for (i = 0; i < MAX_NUM_OF_DISPLAYS; i++)
if (is_display_encryption_enabled(
&hdcp->displays[i])) {
if (is_display_encryption_enabled(&hdcp->displays[i])) {
hdcp->displays[i].state =
MOD_HDCP_DISPLAY_ACTIVE_AND_ADDED;
HDCP_HDCP1_DISABLED_TRACE(hdcp,
hdcp->displays[i].index);
HDCP_HDCP1_DISABLED_TRACE(
hdcp, hdcp->displays[i].index);
}
}
return MOD_HDCP_STATUS_SUCCESS;
mutex_unlock(&psp->hdcp_context.mutex);
return status;
}
enum mod_hdcp_status mod_hdcp_hdcp1_validate_rx(struct mod_hdcp *hdcp)
{
struct psp_context *psp = hdcp->config.psp.handle;
struct ta_hdcp_shared_memory *hdcp_cmd;
enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
mutex_lock(&psp->hdcp_context.mutex);
hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.hdcp_shared_buf;
memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory));
......@@ -206,10 +224,9 @@ enum mod_hdcp_status mod_hdcp_hdcp1_validate_rx(struct mod_hdcp *hdcp)
psp_hdcp_invoke(psp, hdcp_cmd->cmd_id);
if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS)
return MOD_HDCP_STATUS_HDCP1_VALIDATE_RX_FAILURE;
if (hdcp_cmd->out_msg.hdcp1_first_part_authentication.authentication_status ==
if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS) {
status = MOD_HDCP_STATUS_HDCP1_VALIDATE_RX_FAILURE;
} else if (hdcp_cmd->out_msg.hdcp1_first_part_authentication.authentication_status ==
TA_HDCP_AUTHENTICATION_STATUS__HDCP1_FIRST_PART_COMPLETE) {
/* needs second part of authentication */
hdcp->connection.is_repeater = 1;
......@@ -219,12 +236,12 @@ enum mod_hdcp_status mod_hdcp_hdcp1_validate_rx(struct mod_hdcp *hdcp)
} else if (hdcp_cmd->out_msg.hdcp1_first_part_authentication.authentication_status ==
TA_HDCP_AUTHENTICATION_STATUS__HDCP1_KSV_REVOKED) {
hdcp->connection.is_hdcp1_revoked = 1;
return MOD_HDCP_STATUS_HDCP1_BKSV_REVOKED;
status = MOD_HDCP_STATUS_HDCP1_BKSV_REVOKED;
} else
return MOD_HDCP_STATUS_HDCP1_VALIDATE_RX_FAILURE;
status = MOD_HDCP_STATUS_HDCP1_VALIDATE_RX_FAILURE;
return MOD_HDCP_STATUS_SUCCESS;
mutex_unlock(&psp->hdcp_context.mutex);
return status;
}
enum mod_hdcp_status mod_hdcp_hdcp1_enable_encryption(struct mod_hdcp *hdcp)
......@@ -232,7 +249,9 @@ enum mod_hdcp_status mod_hdcp_hdcp1_enable_encryption(struct mod_hdcp *hdcp)
struct psp_context *psp = hdcp->config.psp.handle;
struct ta_hdcp_shared_memory *hdcp_cmd;
struct mod_hdcp_display *display = get_first_added_display(hdcp);
enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
mutex_lock(&psp->hdcp_context.mutex);
hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.hdcp_shared_buf;
memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory));
......@@ -241,14 +260,15 @@ enum mod_hdcp_status mod_hdcp_hdcp1_enable_encryption(struct mod_hdcp *hdcp)
psp_hdcp_invoke(psp, hdcp_cmd->cmd_id);
if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS)
return MOD_HDCP_STATUS_HDCP1_ENABLE_ENCRYPTION;
if (!is_dp_mst_hdcp(hdcp)) {
if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS) {
status = MOD_HDCP_STATUS_HDCP1_ENABLE_ENCRYPTION;
} else if (!is_dp_mst_hdcp(hdcp)) {
display->state = MOD_HDCP_DISPLAY_ENCRYPTION_ENABLED;
HDCP_HDCP1_ENABLED_TRACE(hdcp, display->index);
}
return MOD_HDCP_STATUS_SUCCESS;
mutex_unlock(&psp->hdcp_context.mutex);
return status;
}
enum mod_hdcp_status mod_hdcp_hdcp1_validate_ksvlist_vp(struct mod_hdcp *hdcp)
......@@ -257,6 +277,7 @@ enum mod_hdcp_status mod_hdcp_hdcp1_validate_ksvlist_vp(struct mod_hdcp *hdcp)
struct ta_hdcp_shared_memory *hdcp_cmd;
enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
mutex_lock(&psp->hdcp_context.mutex);
hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.hdcp_shared_buf;
memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory));
......@@ -287,6 +308,7 @@ enum mod_hdcp_status mod_hdcp_hdcp1_validate_ksvlist_vp(struct mod_hdcp *hdcp)
status = MOD_HDCP_STATUS_HDCP1_VALIDATE_KSV_LIST_FAILURE;
}
mutex_unlock(&psp->hdcp_context.mutex);
return status;
}
......@@ -296,7 +318,9 @@ enum mod_hdcp_status mod_hdcp_hdcp1_enable_dp_stream_encryption(struct mod_hdcp
struct psp_context *psp = hdcp->config.psp.handle;
struct ta_hdcp_shared_memory *hdcp_cmd;
int i = 0;
enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
mutex_lock(&psp->hdcp_context.mutex);
hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.hdcp_shared_buf;
for (i = 0; i < MAX_NUM_OF_DISPLAYS; i++) {
......@@ -313,21 +337,26 @@ enum mod_hdcp_status mod_hdcp_hdcp1_enable_dp_stream_encryption(struct mod_hdcp
psp_hdcp_invoke(psp, hdcp_cmd->cmd_id);
if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS)
return MOD_HDCP_STATUS_HDCP1_ENABLE_STREAM_ENCRYPTION_FAILURE;
if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS) {
status = MOD_HDCP_STATUS_HDCP1_ENABLE_STREAM_ENCRYPTION_FAILURE;
break;
}
hdcp->displays[i].state = MOD_HDCP_DISPLAY_ENCRYPTION_ENABLED;
HDCP_HDCP1_ENABLED_TRACE(hdcp, hdcp->displays[i].index);
}
return MOD_HDCP_STATUS_SUCCESS;
mutex_unlock(&psp->hdcp_context.mutex);
return status;
}
enum mod_hdcp_status mod_hdcp_hdcp1_link_maintenance(struct mod_hdcp *hdcp)
{
struct psp_context *psp = hdcp->config.psp.handle;
struct ta_hdcp_shared_memory *hdcp_cmd;
enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
mutex_lock(&psp->hdcp_context.mutex);
hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.hdcp_shared_buf;
memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory));
......@@ -339,12 +368,12 @@ enum mod_hdcp_status mod_hdcp_hdcp1_link_maintenance(struct mod_hdcp *hdcp)
psp_hdcp_invoke(psp, hdcp_cmd->cmd_id);
if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS)
return MOD_HDCP_STATUS_HDCP1_LINK_MAINTENANCE_FAILURE;
if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS ||
hdcp_cmd->out_msg.hdcp1_get_encryption_status.protection_level != 1)
status = MOD_HDCP_STATUS_HDCP1_LINK_MAINTENANCE_FAILURE;
return (hdcp_cmd->out_msg.hdcp1_get_encryption_status.protection_level == 1)
? MOD_HDCP_STATUS_SUCCESS
: MOD_HDCP_STATUS_HDCP1_LINK_MAINTENANCE_FAILURE;
mutex_unlock(&psp->hdcp_context.mutex);
return status;
}
enum mod_hdcp_status mod_hdcp_hdcp1_get_link_encryption_status(struct mod_hdcp *hdcp,
......@@ -365,18 +394,22 @@ enum mod_hdcp_status mod_hdcp_hdcp2_create_session(struct mod_hdcp *hdcp)
struct psp_context *psp = hdcp->config.psp.handle;
struct ta_hdcp_shared_memory *hdcp_cmd;
struct mod_hdcp_display *display = get_first_added_display(hdcp);
enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
if (!psp->hdcp_context.hdcp_initialized) {
DRM_ERROR("Failed to create hdcp session, HDCP TA is not initialized");
return MOD_HDCP_STATUS_FAILURE;
}
hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.hdcp_shared_buf;
memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory));
if (!display)
return MOD_HDCP_STATUS_DISPLAY_NOT_FOUND;
mutex_lock(&psp->hdcp_context.mutex);
hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.hdcp_shared_buf;
memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory));
hdcp_cmd->in_msg.hdcp2_create_session_v2.display_handle = display->index;
if (hdcp->connection.link.adjust.hdcp2.force_type == MOD_HDCP_FORCE_TYPE_0)
......@@ -393,12 +426,14 @@ enum mod_hdcp_status mod_hdcp_hdcp2_create_session(struct mod_hdcp *hdcp)
psp_hdcp_invoke(psp, hdcp_cmd->cmd_id);
if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS)
return MOD_HDCP_STATUS_HDCP2_CREATE_SESSION_FAILURE;
if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS)
status = MOD_HDCP_STATUS_HDCP2_CREATE_SESSION_FAILURE;
else
hdcp->auth.id = hdcp_cmd->out_msg.hdcp2_create_session_v2.session_handle;
return MOD_HDCP_STATUS_SUCCESS;
mutex_unlock(&psp->hdcp_context.mutex);
return status;
}
enum mod_hdcp_status mod_hdcp_hdcp2_destroy_session(struct mod_hdcp *hdcp)
......@@ -406,7 +441,9 @@ enum mod_hdcp_status mod_hdcp_hdcp2_destroy_session(struct mod_hdcp *hdcp)
struct psp_context *psp = hdcp->config.psp.handle;
struct ta_hdcp_shared_memory *hdcp_cmd;
uint8_t i = 0;
enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
mutex_lock(&psp->hdcp_context.mutex);
hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.hdcp_shared_buf;
memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory));
......@@ -415,20 +452,21 @@ enum mod_hdcp_status mod_hdcp_hdcp2_destroy_session(struct mod_hdcp *hdcp)
psp_hdcp_invoke(psp, hdcp_cmd->cmd_id);
if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS)
return MOD_HDCP_STATUS_HDCP2_DESTROY_SESSION_FAILURE;
if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS) {
status = MOD_HDCP_STATUS_HDCP2_DESTROY_SESSION_FAILURE;
} else {
HDCP_TOP_HDCP2_DESTROY_SESSION_TRACE(hdcp);
for (i = 0; i < MAX_NUM_OF_DISPLAYS; i++)
if (is_display_encryption_enabled(
&hdcp->displays[i])) {
if (is_display_encryption_enabled(&hdcp->displays[i])) {
hdcp->displays[i].state =
MOD_HDCP_DISPLAY_ACTIVE_AND_ADDED;
HDCP_HDCP2_DISABLED_TRACE(hdcp,
hdcp->displays[i].index);
HDCP_HDCP2_DISABLED_TRACE(
hdcp, hdcp->displays[i].index);
}
}
return MOD_HDCP_STATUS_SUCCESS;
mutex_unlock(&psp->hdcp_context.mutex);
return status;
}
enum mod_hdcp_status mod_hdcp_hdcp2_prepare_ake_init(struct mod_hdcp *hdcp)
......@@ -437,7 +475,9 @@ enum mod_hdcp_status mod_hdcp_hdcp2_prepare_ake_init(struct mod_hdcp *hdcp)
struct ta_hdcp_shared_memory *hdcp_cmd;
struct ta_hdcp_cmd_hdcp2_process_prepare_authentication_message_input_v2 *msg_in;
struct ta_hdcp_cmd_hdcp2_process_prepare_authentication_message_output_v2 *msg_out;
enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
mutex_lock(&psp->hdcp_context.mutex);
hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.hdcp_shared_buf;
memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory));
......@@ -452,12 +492,13 @@ enum mod_hdcp_status mod_hdcp_hdcp2_prepare_ake_init(struct mod_hdcp *hdcp)
psp_hdcp_invoke(psp, hdcp_cmd->cmd_id);
if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS)
return MOD_HDCP_STATUS_HDCP2_PREP_AKE_INIT_FAILURE;
status = MOD_HDCP_STATUS_HDCP2_PREP_AKE_INIT_FAILURE;
else
memcpy(&hdcp->auth.msg.hdcp2.ake_init[0], &msg_out->prepare.transmitter_message[0],
sizeof(hdcp->auth.msg.hdcp2.ake_init));
return MOD_HDCP_STATUS_SUCCESS;
mutex_unlock(&psp->hdcp_context.mutex);
return status;
}
enum mod_hdcp_status mod_hdcp_hdcp2_validate_ake_cert(struct mod_hdcp *hdcp)
......@@ -466,7 +507,9 @@ enum mod_hdcp_status mod_hdcp_hdcp2_validate_ake_cert(struct mod_hdcp *hdcp)
struct ta_hdcp_shared_memory *hdcp_cmd;
struct ta_hdcp_cmd_hdcp2_process_prepare_authentication_message_input_v2 *msg_in;
struct ta_hdcp_cmd_hdcp2_process_prepare_authentication_message_output_v2 *msg_out;
enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
mutex_lock(&psp->hdcp_context.mutex);
hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.hdcp_shared_buf;
memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory));
......@@ -488,26 +531,32 @@ enum mod_hdcp_status mod_hdcp_hdcp2_validate_ake_cert(struct mod_hdcp *hdcp)
psp_hdcp_invoke(psp, hdcp_cmd->cmd_id);
if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS)
return MOD_HDCP_STATUS_HDCP2_VALIDATE_AKE_CERT_FAILURE;
memcpy(hdcp->auth.msg.hdcp2.ake_no_stored_km, &msg_out->prepare.transmitter_message[0],
if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS) {
status = MOD_HDCP_STATUS_HDCP2_VALIDATE_AKE_CERT_FAILURE;
} else {
memcpy(hdcp->auth.msg.hdcp2.ake_no_stored_km,
&msg_out->prepare.transmitter_message[0],
sizeof(hdcp->auth.msg.hdcp2.ake_no_stored_km));
memcpy(hdcp->auth.msg.hdcp2.ake_stored_km,
&msg_out->prepare.transmitter_message[sizeof(hdcp->auth.msg.hdcp2.ake_no_stored_km)],
sizeof(hdcp->auth.msg.hdcp2.ake_stored_km));
if (msg_out->process.msg1_status == TA_HDCP2_MSG_AUTHENTICATION_STATUS__SUCCESS) {
hdcp->connection.is_km_stored = msg_out->process.is_km_stored ? 1 : 0;
hdcp->connection.is_repeater = msg_out->process.is_repeater ? 1 : 0;
return MOD_HDCP_STATUS_SUCCESS;
} else if (msg_out->process.msg1_status == TA_HDCP2_MSG_AUTHENTICATION_STATUS__RECEIVERID_REVOKED) {
if (msg_out->process.msg1_status ==
TA_HDCP2_MSG_AUTHENTICATION_STATUS__SUCCESS) {
hdcp->connection.is_km_stored =
msg_out->process.is_km_stored ? 1 : 0;
hdcp->connection.is_repeater =
msg_out->process.is_repeater ? 1 : 0;
status = MOD_HDCP_STATUS_SUCCESS;
} else if (msg_out->process.msg1_status ==
TA_HDCP2_MSG_AUTHENTICATION_STATUS__RECEIVERID_REVOKED) {
hdcp->connection.is_hdcp2_revoked = 1;
return MOD_HDCP_STATUS_HDCP2_AKE_CERT_REVOKED;
status = MOD_HDCP_STATUS_HDCP2_AKE_CERT_REVOKED;
}
return MOD_HDCP_STATUS_HDCP2_VALIDATE_AKE_CERT_FAILURE;
}
mutex_unlock(&psp->hdcp_context.mutex);
return status;
}
enum mod_hdcp_status mod_hdcp_hdcp2_validate_h_prime(struct mod_hdcp *hdcp)
......@@ -516,7 +565,9 @@ enum mod_hdcp_status mod_hdcp_hdcp2_validate_h_prime(struct mod_hdcp *hdcp)
struct ta_hdcp_shared_memory *hdcp_cmd;
struct ta_hdcp_cmd_hdcp2_process_prepare_authentication_message_input_v2 *msg_in;
struct ta_hdcp_cmd_hdcp2_process_prepare_authentication_message_output_v2 *msg_out;
enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
mutex_lock(&psp->hdcp_context.mutex);
hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.hdcp_shared_buf;
memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory));
......@@ -543,16 +594,15 @@ enum mod_hdcp_status mod_hdcp_hdcp2_validate_h_prime(struct mod_hdcp *hdcp)
psp_hdcp_invoke(psp, hdcp_cmd->cmd_id);
if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS)
return MOD_HDCP_STATUS_HDCP2_VALIDATE_H_PRIME_FAILURE;
if (msg_out->process.msg1_status != TA_HDCP2_MSG_AUTHENTICATION_STATUS__SUCCESS)
return MOD_HDCP_STATUS_HDCP2_VALIDATE_H_PRIME_FAILURE;
status = MOD_HDCP_STATUS_HDCP2_VALIDATE_H_PRIME_FAILURE;
else if (msg_out->process.msg1_status != TA_HDCP2_MSG_AUTHENTICATION_STATUS__SUCCESS)
status = MOD_HDCP_STATUS_HDCP2_VALIDATE_H_PRIME_FAILURE;
else if (!hdcp->connection.is_km_stored &&
msg_out->process.msg2_status != TA_HDCP2_MSG_AUTHENTICATION_STATUS__SUCCESS)
return MOD_HDCP_STATUS_HDCP2_VALIDATE_PAIRING_INFO_FAILURE;
status = MOD_HDCP_STATUS_HDCP2_VALIDATE_PAIRING_INFO_FAILURE;
return MOD_HDCP_STATUS_SUCCESS;
mutex_unlock(&psp->hdcp_context.mutex);
return status;
}
enum mod_hdcp_status mod_hdcp_hdcp2_prepare_lc_init(struct mod_hdcp *hdcp)
......@@ -561,7 +611,9 @@ enum mod_hdcp_status mod_hdcp_hdcp2_prepare_lc_init(struct mod_hdcp *hdcp)
struct ta_hdcp_shared_memory *hdcp_cmd;
struct ta_hdcp_cmd_hdcp2_process_prepare_authentication_message_input_v2 *msg_in;
struct ta_hdcp_cmd_hdcp2_process_prepare_authentication_message_output_v2 *msg_out;
enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
mutex_lock(&psp->hdcp_context.mutex);
hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.hdcp_shared_buf;
memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory));
......@@ -577,12 +629,13 @@ enum mod_hdcp_status mod_hdcp_hdcp2_prepare_lc_init(struct mod_hdcp *hdcp)
psp_hdcp_invoke(psp, hdcp_cmd->cmd_id);
if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS)
return MOD_HDCP_STATUS_HDCP2_PREP_LC_INIT_FAILURE;
status = MOD_HDCP_STATUS_HDCP2_PREP_LC_INIT_FAILURE;
else
memcpy(hdcp->auth.msg.hdcp2.lc_init, &msg_out->prepare.transmitter_message[0],
sizeof(hdcp->auth.msg.hdcp2.lc_init));
return MOD_HDCP_STATUS_SUCCESS;
mutex_unlock(&psp->hdcp_context.mutex);
return status;
}
enum mod_hdcp_status mod_hdcp_hdcp2_validate_l_prime(struct mod_hdcp *hdcp)
......@@ -591,7 +644,9 @@ enum mod_hdcp_status mod_hdcp_hdcp2_validate_l_prime(struct mod_hdcp *hdcp)
struct ta_hdcp_shared_memory *hdcp_cmd;
struct ta_hdcp_cmd_hdcp2_process_prepare_authentication_message_input_v2 *msg_in;
struct ta_hdcp_cmd_hdcp2_process_prepare_authentication_message_output_v2 *msg_out;
enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
mutex_lock(&psp->hdcp_context.mutex);
hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.hdcp_shared_buf;
memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory));
......@@ -610,13 +665,12 @@ enum mod_hdcp_status mod_hdcp_hdcp2_validate_l_prime(struct mod_hdcp *hdcp)
psp_hdcp_invoke(psp, hdcp_cmd->cmd_id);
if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS)
return MOD_HDCP_STATUS_HDCP2_VALIDATE_L_PRIME_FAILURE;
if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS ||
msg_out->process.msg1_status != TA_HDCP2_MSG_AUTHENTICATION_STATUS__SUCCESS)
status = MOD_HDCP_STATUS_HDCP2_VALIDATE_L_PRIME_FAILURE;
if (msg_out->process.msg1_status != TA_HDCP2_MSG_AUTHENTICATION_STATUS__SUCCESS)
return MOD_HDCP_STATUS_HDCP2_VALIDATE_L_PRIME_FAILURE;
return MOD_HDCP_STATUS_SUCCESS;
mutex_unlock(&psp->hdcp_context.mutex);
return status;
}
enum mod_hdcp_status mod_hdcp_hdcp2_prepare_eks(struct mod_hdcp *hdcp)
......@@ -625,7 +679,9 @@ enum mod_hdcp_status mod_hdcp_hdcp2_prepare_eks(struct mod_hdcp *hdcp)
struct ta_hdcp_shared_memory *hdcp_cmd;
struct ta_hdcp_cmd_hdcp2_process_prepare_authentication_message_input_v2 *msg_in;
struct ta_hdcp_cmd_hdcp2_process_prepare_authentication_message_output_v2 *msg_out;
enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
mutex_lock(&psp->hdcp_context.mutex);
hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.hdcp_shared_buf;
memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory));
......@@ -642,20 +698,24 @@ enum mod_hdcp_status mod_hdcp_hdcp2_prepare_eks(struct mod_hdcp *hdcp)
hdcp_cmd->cmd_id = TA_HDCP_COMMAND__HDCP2_PREPARE_PROCESS_AUTHENTICATION_MSG_V2;
psp_hdcp_invoke(psp, hdcp_cmd->cmd_id);
if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS)
return MOD_HDCP_STATUS_HDCP2_PREP_EKS_FAILURE;
memcpy(hdcp->auth.msg.hdcp2.ske_eks, &msg_out->prepare.transmitter_message[0],
if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS) {
status = MOD_HDCP_STATUS_HDCP2_PREP_EKS_FAILURE;
} else {
memcpy(hdcp->auth.msg.hdcp2.ske_eks,
&msg_out->prepare.transmitter_message[0],
sizeof(hdcp->auth.msg.hdcp2.ske_eks));
msg_out->prepare.msg1_desc.msg_size = sizeof(hdcp->auth.msg.hdcp2.ske_eks);
msg_out->prepare.msg1_desc.msg_size =
sizeof(hdcp->auth.msg.hdcp2.ske_eks);
if (is_dp_hdcp(hdcp)) {
memcpy(hdcp->auth.msg.hdcp2.content_stream_type_dp,
&msg_out->prepare.transmitter_message[sizeof(hdcp->auth.msg.hdcp2.ske_eks)],
sizeof(hdcp->auth.msg.hdcp2.content_stream_type_dp));
}
}
mutex_unlock(&psp->hdcp_context.mutex);
return MOD_HDCP_STATUS_SUCCESS;
return status;
}
enum mod_hdcp_status mod_hdcp_hdcp2_enable_encryption(struct mod_hdcp *hdcp)
......@@ -663,27 +723,30 @@ enum mod_hdcp_status mod_hdcp_hdcp2_enable_encryption(struct mod_hdcp *hdcp)
struct psp_context *psp = hdcp->config.psp.handle;
struct ta_hdcp_shared_memory *hdcp_cmd;
struct mod_hdcp_display *display = get_first_added_display(hdcp);
hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.hdcp_shared_buf;
memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory));
enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
if (!display)
return MOD_HDCP_STATUS_DISPLAY_NOT_FOUND;
mutex_lock(&psp->hdcp_context.mutex);
hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.hdcp_shared_buf;
memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory));
hdcp_cmd->in_msg.hdcp2_set_encryption.session_handle = hdcp->auth.id;
hdcp_cmd->cmd_id = TA_HDCP_COMMAND__HDCP2_SET_ENCRYPTION;
psp_hdcp_invoke(psp, hdcp_cmd->cmd_id);
if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS)
return MOD_HDCP_STATUS_HDCP2_ENABLE_ENCRYPTION_FAILURE;
if (!is_dp_mst_hdcp(hdcp)) {
if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS) {
status = MOD_HDCP_STATUS_HDCP2_ENABLE_ENCRYPTION_FAILURE;
} else if (!is_dp_mst_hdcp(hdcp)) {
display->state = MOD_HDCP_DISPLAY_ENCRYPTION_ENABLED;
HDCP_HDCP2_ENABLED_TRACE(hdcp, display->index);
}
return MOD_HDCP_STATUS_SUCCESS;
mutex_unlock(&psp->hdcp_context.mutex);
return status;
}
enum mod_hdcp_status mod_hdcp_hdcp2_validate_rx_id_list(struct mod_hdcp *hdcp)
......@@ -692,6 +755,9 @@ enum mod_hdcp_status mod_hdcp_hdcp2_validate_rx_id_list(struct mod_hdcp *hdcp)
struct ta_hdcp_shared_memory *hdcp_cmd;
struct ta_hdcp_cmd_hdcp2_process_prepare_authentication_message_input_v2 *msg_in;
struct ta_hdcp_cmd_hdcp2_process_prepare_authentication_message_output_v2 *msg_out;
enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
mutex_lock(&psp->hdcp_context.mutex);
hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.hdcp_shared_buf;
memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory));
......@@ -712,23 +778,26 @@ enum mod_hdcp_status mod_hdcp_hdcp2_validate_rx_id_list(struct mod_hdcp *hdcp)
psp_hdcp_invoke(psp, hdcp_cmd->cmd_id);
if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS)
return MOD_HDCP_STATUS_HDCP2_VALIDATE_RX_ID_LIST_FAILURE;
memcpy(hdcp->auth.msg.hdcp2.repeater_auth_ack, &msg_out->prepare.transmitter_message[0],
if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS) {
status = MOD_HDCP_STATUS_HDCP2_VALIDATE_RX_ID_LIST_FAILURE;
} else {
memcpy(hdcp->auth.msg.hdcp2.repeater_auth_ack,
&msg_out->prepare.transmitter_message[0],
sizeof(hdcp->auth.msg.hdcp2.repeater_auth_ack));
if (msg_out->process.msg1_status == TA_HDCP2_MSG_AUTHENTICATION_STATUS__SUCCESS) {
if (msg_out->process.msg1_status ==
TA_HDCP2_MSG_AUTHENTICATION_STATUS__SUCCESS) {
hdcp->connection.is_km_stored = msg_out->process.is_km_stored ? 1 : 0;
hdcp->connection.is_repeater = msg_out->process.is_repeater ? 1 : 0;
return MOD_HDCP_STATUS_SUCCESS;
} else if (msg_out->process.msg1_status == TA_HDCP2_MSG_AUTHENTICATION_STATUS__RECEIVERID_REVOKED) {
status = MOD_HDCP_STATUS_SUCCESS;
} else if (msg_out->process.msg1_status ==
TA_HDCP2_MSG_AUTHENTICATION_STATUS__RECEIVERID_REVOKED) {
hdcp->connection.is_hdcp2_revoked = 1;
return MOD_HDCP_STATUS_HDCP2_RX_ID_LIST_REVOKED;
status = MOD_HDCP_STATUS_HDCP2_RX_ID_LIST_REVOKED;
}
return MOD_HDCP_STATUS_HDCP2_VALIDATE_RX_ID_LIST_FAILURE;
}
mutex_unlock(&psp->hdcp_context.mutex);
return status;
}
enum mod_hdcp_status mod_hdcp_hdcp2_enable_dp_stream_encryption(struct mod_hdcp *hdcp)
......@@ -737,7 +806,9 @@ enum mod_hdcp_status mod_hdcp_hdcp2_enable_dp_stream_encryption(struct mod_hdcp
struct ta_hdcp_shared_memory *hdcp_cmd;
struct ta_hdcp_cmd_hdcp2_process_prepare_authentication_message_input_v2 *msg_in;
uint8_t i;
enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
mutex_lock(&psp->hdcp_context.mutex);
hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.hdcp_shared_buf;
memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory));
......@@ -763,8 +834,13 @@ enum mod_hdcp_status mod_hdcp_hdcp2_enable_dp_stream_encryption(struct mod_hdcp
HDCP_HDCP2_ENABLED_TRACE(hdcp, hdcp->displays[i].index);
}
return (hdcp_cmd->hdcp_status == TA_HDCP_STATUS__SUCCESS) ? MOD_HDCP_STATUS_SUCCESS
: MOD_HDCP_STATUS_HDCP2_ENABLE_STREAM_ENCRYPTION;
if (hdcp_cmd->hdcp_status == TA_HDCP_STATUS__SUCCESS)
status = MOD_HDCP_STATUS_SUCCESS;
else
status = MOD_HDCP_STATUS_HDCP2_ENABLE_STREAM_ENCRYPTION;
mutex_unlock(&psp->hdcp_context.mutex);
return status;
}
enum mod_hdcp_status mod_hdcp_hdcp2_prepare_stream_management(struct mod_hdcp *hdcp)
......@@ -774,7 +850,9 @@ enum mod_hdcp_status mod_hdcp_hdcp2_prepare_stream_management(struct mod_hdcp *h
struct ta_hdcp_shared_memory *hdcp_cmd;
struct ta_hdcp_cmd_hdcp2_process_prepare_authentication_message_input_v2 *msg_in;
struct ta_hdcp_cmd_hdcp2_process_prepare_authentication_message_output_v2 *msg_out;
enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
mutex_lock(&psp->hdcp_context.mutex);
hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.hdcp_shared_buf;
memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory));
......@@ -789,15 +867,17 @@ enum mod_hdcp_status mod_hdcp_hdcp2_prepare_stream_management(struct mod_hdcp *h
hdcp_cmd->cmd_id = TA_HDCP_COMMAND__HDCP2_PREPARE_PROCESS_AUTHENTICATION_MSG_V2;
psp_hdcp_invoke(psp, hdcp_cmd->cmd_id);
if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS)
return MOD_HDCP_STATUS_HDCP2_PREPARE_STREAM_MANAGEMENT_FAILURE;
if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS) {
status = MOD_HDCP_STATUS_HDCP2_PREPARE_STREAM_MANAGEMENT_FAILURE;
} else {
hdcp->auth.msg.hdcp2.stream_manage_size = msg_out->prepare.msg1_desc.msg_size;
memcpy(hdcp->auth.msg.hdcp2.repeater_auth_stream_manage, &msg_out->prepare.transmitter_message[0],
memcpy(hdcp->auth.msg.hdcp2.repeater_auth_stream_manage,
&msg_out->prepare.transmitter_message[0],
sizeof(hdcp->auth.msg.hdcp2.repeater_auth_stream_manage));
return MOD_HDCP_STATUS_SUCCESS;
}
mutex_unlock(&psp->hdcp_context.mutex);
return status;
}
enum mod_hdcp_status mod_hdcp_hdcp2_validate_stream_ready(struct mod_hdcp *hdcp)
......@@ -806,7 +886,9 @@ enum mod_hdcp_status mod_hdcp_hdcp2_validate_stream_ready(struct mod_hdcp *hdcp)
struct ta_hdcp_shared_memory *hdcp_cmd;
struct ta_hdcp_cmd_hdcp2_process_prepare_authentication_message_input_v2 *msg_in;
struct ta_hdcp_cmd_hdcp2_process_prepare_authentication_message_output_v2 *msg_out;
enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
mutex_lock(&psp->hdcp_context.mutex);
hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.hdcp_shared_buf;
memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory));
......@@ -825,9 +907,13 @@ enum mod_hdcp_status mod_hdcp_hdcp2_validate_stream_ready(struct mod_hdcp *hdcp)
hdcp_cmd->cmd_id = TA_HDCP_COMMAND__HDCP2_PREPARE_PROCESS_AUTHENTICATION_MSG_V2;
psp_hdcp_invoke(psp, hdcp_cmd->cmd_id);
return (hdcp_cmd->hdcp_status == TA_HDCP_STATUS__SUCCESS) &&
(msg_out->process.msg1_status == TA_HDCP2_MSG_AUTHENTICATION_STATUS__SUCCESS)
? MOD_HDCP_STATUS_SUCCESS
: MOD_HDCP_STATUS_HDCP2_VALIDATE_STREAM_READY_FAILURE;
if (hdcp_cmd->hdcp_status == TA_HDCP_STATUS__SUCCESS &&
msg_out->process.msg1_status == TA_HDCP2_MSG_AUTHENTICATION_STATUS__SUCCESS)
status = MOD_HDCP_STATUS_SUCCESS;
else
status = MOD_HDCP_STATUS_HDCP2_VALIDATE_STREAM_READY_FAILURE;
mutex_unlock(&psp->hdcp_context.mutex);
return status;
}
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