hw: move fifo.[ch] to libqemuutil

fifo.c is generic code that can be easily unit tested.  So it
belongs in libqemuutil.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

1 files changed, 0 insertions, 99 deletions

diff --git a/hw/fifo.h b/hw/fifo.h
deleted file mode 100644
index f23890abf4..0000000000
--- a/hw/fifo.h
+++ /dev/null
@@ -1,99 +0,0 @@
-#ifndef FIFO_H
-#define FIFO_H
-
-#include "hw.h"
-
-typedef struct {
-    /* All fields are private */
-    uint8_t *data;
-    uint32_t capacity;
-    uint32_t head;
-    uint32_t num;
-} Fifo8;
-
-/**
- * fifo8_create:
- * @fifo: struct Fifo8 to initialise with new FIFO
- * @capacity: capacity of the newly created FIFO
- *
- * Create a FIFO of the specified size. Clients should call fifo8_destroy()
- * when finished using the fifo. The FIFO is initially empty.
- */
-
-void fifo8_create(Fifo8 *fifo, uint32_t capacity);
-
-/**
- * fifo8_destroy:
- * @fifo: FIFO to cleanup
- *
- * Cleanup a FIFO created with fifo8_create(). Frees memory created for FIFO
-  *storage. The FIFO is no longer usable after this has been called.
- */
-
-void fifo8_destroy(Fifo8 *fifo);
-
-/**
- * fifo8_push:
- * @fifo: FIFO to push to
- * @data: data byte to push
- *
- * Push a data byte to the FIFO. Behaviour is undefined if the FIFO is full.
- * Clients are responsible for checking for fullness using fifo8_is_full().
- */
-
-void fifo8_push(Fifo8 *fifo, uint8_t data);
-
-/**
- * fifo8_pop:
- * @fifo: fifo to pop from
- *
- * Pop a data byte from the FIFO. Behaviour is undefined if the FIFO is empty.
- * Clients are responsible for checking for emptyness using fifo8_is_empty().
- *
- * Returns: The popped data byte.
- */
-
-uint8_t fifo8_pop(Fifo8 *fifo);
-
-/**
- * fifo8_reset:
- * @fifo: FIFO to reset
- *
- * Reset a FIFO. All data is discarded and the FIFO is emptied.
- */
-
-void fifo8_reset(Fifo8 *fifo);
-
-/**
- * fifo8_is_empty:
- * @fifo: FIFO to check
- *
- * Check if a FIFO is empty.
- *
- * Returns: True if the fifo is empty, false otherwise.
- */
-
-bool fifo8_is_empty(Fifo8 *fifo);
-
-/**
- * fifo8_is_full:
- * @fifo: FIFO to check
- *
- * Check if a FIFO is full.
- *
- * Returns: True if the fifo is full, false otherwise.
- */
-
-bool fifo8_is_full(Fifo8 *fifo);
-
-extern const VMStateDescription vmstate_fifo8;
-
-#define VMSTATE_FIFO8(_field, _state) {                              \
-    .name       = (stringify(_field)),                               \
-    .size       = sizeof(Fifo8),                                     \
-    .vmsd       = &vmstate_fifo8,                                    \
-    .flags      = VMS_STRUCT,                                        \
-    .offset     = vmstate_offset_value(_state, _field, Fifo8),       \
-}
-
-#endif /* FIFO_H */