uart_tt_virt.h File Reference

Tenstorrent firmware virtual UART interface. More...

#include <assert.h>
#include <stdatomic.h>
#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>

Go to the source code of this file.

Data Structures
struct	tt_vuart
	In-memory ring buffer descriptor for Tenstorrent virtual UART. More...

Enumerations
enum	tt_vuart_role {   TT_VUART_ROLE_DEVICE ,   TT_VUART_ROLE_HOST }
	Role of the virtual UART in the context of the shared memory buffer. More...

Functions
static size_t	tt_vuart_inst (volatile const struct tt_vuart *vuart)
	Determine the instance number of a virtual UART buffer descriptor.
static uint32_t	tt_vuart_buf_size (uint32_t head, uint32_t tail)
	Determine the size of the given buffer.
static uint32_t	tt_vuart_buf_space (uint32_t head, uint32_t tail, uint32_t cap)
	Determine the free space available in the given buffer.
static bool	tt_vuart_buf_empty (uint32_t head, uint32_t tail)
	Determine if the given buffer is empty.
static bool	tt_vuart_buf_full (uint32_t head, uint32_t tail, uint32_t cap)
	Determine if the given buffer is full.
static int	tt_vuart_poll_in (volatile struct tt_vuart *vuart, unsigned char *p_char, enum tt_vuart_role role)
	Poll the virtual UART buffer for incoming data.
static void	tt_vuart_poll_out (volatile struct tt_vuart *vuart, unsigned char out_char, enum tt_vuart_role role)
	Poll the virtual UART buffer with outgoing data.

Detailed Description

Tenstorrent firmware virtual UART interface.