/*
* Copyright (c) 2012 Petr Jerman
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/** @file
* Header for AHCI driver.
*/
#ifndef __AHCI_H__
#define __AHCI_H__
#include <async.h>
#include <ddf/interrupt.h>
#include <stdio.h>
#include <stddef.h>
#include <stdint.h>
#include "ahci_hw.h"
/** AHCI Device. */
typedef struct {
/** Pointer to ddf device. */
ddf_dev_t *dev;
/** Pointer to AHCI memory registers. */
volatile ahci_memregs_t *memregs;
/** Pointers to sata devices. */
void *sata_devs[AHCI_MAX_PORTS];
/** Parent session */
async_sess_t *parent_sess;
} ahci_dev_t;
/** SATA Device. */
typedef struct {
/** Pointer to AHCI device. */
ahci_dev_t *ahci;
/** Pointer to ddf function. */
ddf_fun_t *fun;
/** SATA port number (0-31). */
uint8_t port_num;
/** Device in invalid state (disconnected and so on). */
bool is_invalid_device;
/** Pointer to SATA port. */
volatile ahci_port_t *port;
/** Pointer to command header. */
volatile ahci_cmdhdr_t *cmd_header;
/** Pointer to command table. */
volatile uint32_t *cmd_table;
/** Mutex for single operation on device. */
fibril_mutex_t lock;
/** Mutex for event signaling condition variable. */
fibril_mutex_t event_lock;
/** Event signaling condition variable. */
fibril_condvar_t event_condvar;
/** Event interrupt state. */
ahci_port_is_t event_pxis;
/** Number of device data blocks. */
uint64_t blocks;
/** Size of device data blocks. */
size_t block_size;
/** Name of SATA device. */
char model[STR_BOUNDS(40) + 1];
/** Device in invalid state (disconnected and so on). */
bool is_packet_device;
/** Highest UDMA mode supported. */
uint8_t highest_udma_mode;
} sata_dev_t;
#endif