Almost dropped this!

git-svn-id: https://outreach.scidac.gov/svn/spl/trunk@19 7e1ea52c-4ff2-0310-8f11-9dd32ca42a1c

diff --git a/include/splat-ctl.h b/include/splat-ctl.h
new file mode 100644 (file)
index 0000000..d905340
--- /dev/null
+++ b/include/splat-ctl.h
@@ -0,0 +1,67 @@
+#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 */