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authorAndreas Baumann <mail@andreasbaumann.cc>2015-01-03 12:04:58 +0100
committerAndreas Baumann <mail@andreasbaumann.cc>2015-01-03 12:04:58 +0100
commit008d0be72b2f160382c6e880765e96b64a050c65 (patch)
tree36f48a98a3815a408e2ce1693dd182af90f80305 /release/src/linux/linux/include/linux/coda_psdev.h
parent611becfb8726c60cb060368541ad98191d4532f5 (diff)
downloadtomato-008d0be72b2f160382c6e880765e96b64a050c65.tar.gz
tomato-008d0be72b2f160382c6e880765e96b64a050c65.tar.bz2
imported original firmware WRT54GL_v4.30.11_11_US
Diffstat (limited to 'release/src/linux/linux/include/linux/coda_psdev.h')
-rw-r--r--release/src/linux/linux/include/linux/coda_psdev.h125
1 files changed, 125 insertions, 0 deletions
diff --git a/release/src/linux/linux/include/linux/coda_psdev.h b/release/src/linux/linux/include/linux/coda_psdev.h
new file mode 100644
index 00000000..91d35cf1
--- /dev/null
+++ b/release/src/linux/linux/include/linux/coda_psdev.h
@@ -0,0 +1,125 @@
+#ifndef __CODA_PSDEV_H
+#define __CODA_PSDEV_H
+
+#define CODA_PSDEV_MAJOR 67
+#define MAX_CODADEVS 5 /* how many do we allow */
+
+#define CODA_SUPER_MAGIC 0x73757245
+
+struct coda_sb_info
+{
+ struct venus_comm * sbi_vcomm;
+ struct super_block *sbi_sb;
+ struct list_head sbi_cihead;
+ struct semaphore sbi_iget4_mutex;
+};
+
+/* communication pending/processing queues */
+struct venus_comm {
+ u_long vc_seq;
+ wait_queue_head_t vc_waitq; /* Venus wait queue */
+ struct list_head vc_pending;
+ struct list_head vc_processing;
+ int vc_inuse;
+ struct super_block *vc_sb;
+};
+
+
+static inline struct coda_sb_info *coda_sbp(struct super_block *sb)
+{
+ return ((struct coda_sb_info *)((sb)->u.generic_sbp));
+}
+
+
+/* upcalls */
+int venus_rootfid(struct super_block *sb, ViceFid *fidp);
+int venus_getattr(struct super_block *sb, struct ViceFid *fid,
+ struct coda_vattr *attr);
+int venus_setattr(struct super_block *, struct ViceFid *,
+ struct coda_vattr *);
+int venus_lookup(struct super_block *sb, struct ViceFid *fid,
+ const char *name, int length, int *type,
+ struct ViceFid *resfid);
+int venus_store(struct super_block *sb, struct ViceFid *fid, int flags,
+ struct coda_cred *);
+int venus_release(struct super_block *sb, struct ViceFid *fid, int flags);
+int venus_close(struct super_block *sb, struct ViceFid *fid, int flags,
+ struct coda_cred *);
+int venus_open(struct super_block *sb, struct ViceFid *fid,
+ int flags, struct file **f);
+int venus_mkdir(struct super_block *sb, struct ViceFid *dirfid,
+ const char *name, int length,
+ struct ViceFid *newfid, struct coda_vattr *attrs);
+int venus_create(struct super_block *sb, struct ViceFid *dirfid,
+ const char *name, int length, int excl, int mode, int rdev,
+ struct ViceFid *newfid, struct coda_vattr *attrs) ;
+int venus_rmdir(struct super_block *sb, struct ViceFid *dirfid,
+ const char *name, int length);
+int venus_remove(struct super_block *sb, struct ViceFid *dirfid,
+ const char *name, int length);
+int venus_readlink(struct super_block *sb, struct ViceFid *fid,
+ char *buffer, int *length);
+int venus_rename(struct super_block *, struct ViceFid *new_fid,
+ struct ViceFid *old_fid, size_t old_length,
+ size_t new_length, const char *old_name,
+ const char *new_name);
+int venus_link(struct super_block *sb, struct ViceFid *fid,
+ struct ViceFid *dirfid, const char *name, int len );
+int venus_symlink(struct super_block *sb, struct ViceFid *fid,
+ const char *name, int len, const char *symname, int symlen);
+int venus_access(struct super_block *sb, struct ViceFid *fid, int mask);
+int venus_pioctl(struct super_block *sb, struct ViceFid *fid,
+ unsigned int cmd, struct PioctlData *data);
+int coda_downcall(int opcode, union outputArgs *out, struct super_block *sb);
+int venus_fsync(struct super_block *sb, struct ViceFid *fid);
+int venus_statfs(struct super_block *sb, struct statfs *sfs);
+
+
+/* messages between coda filesystem in kernel and Venus */
+extern int coda_hard;
+extern unsigned long coda_timeout;
+struct upc_req {
+ struct list_head uc_chain;
+ caddr_t uc_data;
+ u_short uc_flags;
+ u_short uc_inSize; /* Size is at most 5000 bytes */
+ u_short uc_outSize;
+ u_short uc_opcode; /* copied from data to save lookup */
+ int uc_unique;
+ wait_queue_head_t uc_sleep; /* process' wait queue */
+ unsigned long uc_posttime;
+};
+
+#define REQ_ASYNC 0x1
+#define REQ_READ 0x2
+#define REQ_WRITE 0x4
+#define REQ_ABORT 0x8
+
+
+/*
+ * Statistics
+ */
+struct coda_upcallstats {
+ int ncalls; /* client requests */
+ int nbadcalls; /* upcall failures */
+ int reqs[CODA_NCALLS]; /* count of each request */
+} ;
+
+extern struct coda_upcallstats coda_callstats;
+extern struct venus_comm coda_comms[];
+
+static inline void clstats(int opcode)
+{
+ coda_callstats.ncalls++;
+ if ( (0 <= opcode) && (opcode <= CODA_NCALLS) )
+ coda_callstats.reqs[opcode]++;
+ else
+ printk("clstats called with bad opcode %d\n", opcode);
+}
+
+static inline void badclstats(void)
+{
+ coda_callstats.nbadcalls++;
+}
+
+#endif