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-rw-r--r--include/kms/kms_client.h21
-rw-r--r--include/kms/kms_shared.h45
2 files changed, 66 insertions, 0 deletions
diff --git a/include/kms/kms_client.h b/include/kms/kms_client.h
new file mode 100644
index 0000000..bb4325b
--- /dev/null
+++ b/include/kms/kms_client.h
@@ -0,0 +1,21 @@
+#ifndef GSR_KMS_CLIENT_H
+#define GSR_KMS_CLIENT_H
+
+#include "kms_shared.h"
+#include <sys/types.h>
+
+typedef struct {
+ pid_t kms_server_pid;
+ int socket_fd;
+ int client_fd;
+ char socket_path[27];
+ char *card_path;
+} gsr_kms_client;
+
+/* |card_path| should be a path to card, for example /dev/dri/card0 */
+int gsr_kms_client_init(gsr_kms_client *self, const char *card_path, const char *program_dir);
+void gsr_kms_client_deinit(gsr_kms_client *self);
+
+int gsr_kms_client_get_kms(gsr_kms_client *self, gsr_kms_response *response);
+
+#endif /* #define GSR_KMS_CLIENT_H */
diff --git a/include/kms/kms_shared.h b/include/kms/kms_shared.h
new file mode 100644
index 0000000..f63c2f3
--- /dev/null
+++ b/include/kms/kms_shared.h
@@ -0,0 +1,45 @@
+#ifndef GSR_KMS_SHARED_H
+#define GSR_KMS_SHARED_H
+
+#include <stdint.h>
+
+typedef enum {
+ KMS_REQUEST_TYPE_GET_KMS
+} gsr_kms_request_type;
+
+typedef enum {
+ KMS_RESULT_OK,
+ KMS_RESULT_INVALID_REQUEST,
+ KMS_RESULT_FAILED_TO_OPEN_CARD,
+ KMS_RESULT_INSUFFICIENT_PERMISSIONS,
+ KMS_RESULT_FAILED_TO_GET_KMS,
+ KMS_RESULT_NO_KMS_AVAILABLE,
+ KMS_RESULT_FAILED_TO_SEND
+} gsr_kms_result;
+
+typedef struct {
+ int type; /* gsr_kms_request_type */
+ union {
+ char card_path[255];
+ } data;
+} gsr_kms_request;
+
+typedef struct {
+ int fd;
+ uint32_t width;
+ uint32_t height;
+ uint32_t pitch;
+ uint32_t offset;
+ uint32_t pixel_format;
+ uint64_t modifier;
+} gsr_kms_response_fd;
+
+typedef struct {
+ int result; /* gsr_kms_result */
+ union {
+ char err_msg[128];
+ gsr_kms_response_fd fd;
+ } data;
+} gsr_kms_response;
+
+#endif /* #define GSR_KMS_SHARED_H */