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#ifndef _SPLAT_CTL_H
#define _SPLAT_CTL_H
/* Contains shared definitions which both the userspace
* and kernelspace portions of splat must agree on.
*/
#define SPLAT_MAJOR 229 /* XXX - Arbitrary */
#define SPLAT_MINORS 1
#define SPLAT_DEV "/dev/splatctl"
#define SPLAT_NAME_SIZE 12
#define SPLAT_DESC_SIZE 60
typedef struct splat_user {
char name[SPLAT_NAME_SIZE]; /* short name */
char desc[SPLAT_DESC_SIZE]; /* short description */
int id; /* unique numeric id */
} splat_user_t;
#define SPLAT_CFG_MAGIC 0x15263748U
typedef struct splat_cfg {
unsigned int cfg_magic; /* Unique magic */
int cfg_cmd; /* Config command */
int cfg_arg1; /* Config command arg 1 */
int cfg_rc1; /* Config response 1 */
union {
struct {
int size;
splat_user_t descs[0];
} splat_subsystems;
struct {
int size;
splat_user_t descs[0];
} splat_tests;
} cfg_data;
} splat_cfg_t;
#define SPLAT_CMD_MAGIC 0x9daebfc0U
typedef struct splat_cmd {
unsigned int cmd_magic; /* Unique magic */
int cmd_subsystem; /* Target subsystem */
int cmd_test; /* Subsystem test */
int cmd_data_size; /* Extra opaque data */
char cmd_data_str[0]; /* Opaque data region */
} splat_cmd_t;
/* Valid ioctls */
#define SPLAT_CFG _IOWR('f', 101, long)
#define SPLAT_CMD _IOWR('f', 102, long)
/* Valid configuration commands */
#define SPLAT_CFG_BUFFER_CLEAR 0x001 /* Clear text buffer */
#define SPLAT_CFG_BUFFER_SIZE 0x002 /* Resize text buffer */
#define SPLAT_CFG_SUBSYSTEM_COUNT 0x101 /* Number of subsystem */
#define SPLAT_CFG_SUBSYSTEM_LIST 0x102 /* List of N subsystems */
#define SPLAT_CFG_TEST_COUNT 0x201 /* Number of tests */
#define SPLAT_CFG_TEST_LIST 0x202 /* List of N tests */
/* Valid subsystem and test commands defined in each subsystem, we do
* need to be careful to avoid colisions. That alone may argue to define
* them all here, for now we just define the global error codes.
*/
#define SPLAT_SUBSYSTEM_UNKNOWN 0xF00
#define SPLAT_TEST_UNKNOWN 0xFFF
#endif /* _SPLAT_CTL_H */
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