Changeset f1be95c8 in mainline for uspace/drv/ohci/hw_struct/completion_codes.h

Timestamp:

2011-04-09T00:22:30Z (14 years ago)

Author:

Jan Vesely <jano.vesely@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

4c28d17

Parents:

e42dd32

Message:

Add forgotten TD implementation, add error parsing

File:

• uspace/drv/ohci/hw_struct/completion_codes.h (modified) (2 diffs)

uspace/drv/ohci/hw_struct/completion_codes.h

@@ -35 +35 @@
 #define DRV_OHCI_HW_STRUCT_COMPLETION_CODES_H
 
+#include <errno.h>
+
 #define CC_NOERROR (0x0)
 #define CC_CRC (0x1)
@@ -50 +52 @@
 #define CC_NOACCESS2 (0xf)
 
+inline static int cc_to_rc(int cc)
+{
+        switch (cc) {
+        case CC_NOERROR:
+                return EOK;
+
+        case CC_CRC:
+                return EBADCHECKSUM;
+
+        case CC_PIDUNEXPECTED:
+        case CC_PIDFAIL:
+        case CC_BITSTUFF:
+                return EIO;
+
+        case CC_TOGGLE:
+        case CC_STALL:
+                return ESTALL;
+
+        case CC_NORESPONSE:
+                return ETIMEOUT;
+
+        case CC_DATAOVERRRUN:
+        case CC_DATAUNDERRRUN:
+        case CC_BUFFEROVERRRUN:
+        case CC_BUFFERUNDERRUN:
+                return EOVERFLOW;
+
+        case CC_NOACCESS1:
+        case CC_NOACCESS2:
+        default:
+                return ENOTSUP;
+        }
+}
+
 #endif
 /**