imported original firmware WRT54GL_v4.30.11_11_US

1 files changed, 57 insertions, 0 deletions

diff --git a/release/src/linux/linux/include/linux/intermezzo_psdev.h b/release/src/linux/linux/include/linux/intermezzo_psdev.h
new file mode 100644
index 00000000..36ea2216
--- /dev/null
+++ b/release/src/linux/linux/include/linux/intermezzo_psdev.h
@@ -0,0 +1,57 @@
+/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
+ * vim:expandtab:shiftwidth=8:tabstop=8:
+ */
+
+#ifndef __PRESTO_PSDEV_H
+#define __PRESTO_PSDEV_H
+
+#define MAX_CHANNEL 16
+#define PROCNAME_SIZE 32
+#include <linux/locks.h>
+#include <linux/smp_lock.h>
+#include <linux/version.h>
+
+/* represents state of an instance reached with /dev/intermezzo */
+/* communication pending & processing queues */
+struct upc_channel {
+        unsigned int         uc_seq;
+        wait_queue_head_t    uc_waitq;    /* Lento wait queue */
+        struct list_head     uc_pending;
+        struct list_head     uc_processing;
+        spinlock_t            uc_lock;
+        int                  uc_pid;      /* Lento's pid */
+        int                  uc_hard;     /* allows signals during upcalls */
+        int                  uc_no_filter;
+        int                  uc_no_journal;
+        int                  uc_no_upcall;
+        int                  uc_timeout;  /* . sec: signals will dequeue upc */
+        long                 uc_errorval; /* for testing I/O failures */
+        struct list_head     uc_cache_list;
+        int                  uc_minor;
+};
+
+#define ISLENTO(minor) (current->pid == izo_channels[minor].uc_pid \
+                || current->p_pptr->pid == izo_channels[minor].uc_pid \
+                || current->p_pptr->p_pptr->pid == izo_channels[minor].uc_pid)
+
+extern struct upc_channel izo_channels[MAX_CHANNEL];
+
+/* message types between presto filesystem in kernel */
+#define REQ_READ   1
+#define REQ_WRITE  2
+#define REQ_ASYNC  4
+#define REQ_DEAD   8
+
+struct upc_req {
+        struct list_head   rq_chain;
+        caddr_t            rq_data;
+        int                rq_flags;
+        int                rq_bufsize;
+        int                rq_rep_size;
+        int                rq_opcode;  /* copied from data to save lookup */
+        int                rq_unique;
+        wait_queue_head_t  rq_sleep;   /* process' wait queue */
+        unsigned long      rq_posttime;
+};
+
+#endif