| 1 | /*
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| 2 | * Copyright (c) 2012 Petr Jerman
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| 3 | * All rights reserved.
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| 4 | *
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| 5 | * Redistribution and use in source and binary forms, with or without
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| 6 | * modification, are permitted provided that the following conditions
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| 7 | * are met:
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| 8 | *
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| 9 | * - Redistributions of source code must retain the above copyright
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| 10 | * notice, this list of conditions and the following disclaimer.
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| 11 | * - Redistributions in binary form must reproduce the above copyright
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| 12 | * notice, this list of conditions and the following disclaimer in the
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| 13 | * documentation and/or other materials provided with the distribution.
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| 14 | * - The name of the author may not be used to endorse or promote products
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| 15 | * derived from this software without specific prior written permission.
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| 16 | *
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 27 | */
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| 28 |
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| 29 | /** @file
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| 30 | * Header for AHCI driver.
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| 31 | */
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| 32 |
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| 33 | #ifndef __AHCI_H__
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| 34 | #define __AHCI_H__
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| 35 |
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| 36 | #include <sys/types.h>
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| 37 | #include <devman.h>
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| 38 | #include <ddf/interrupt.h>
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| 39 | #include <stdio.h>
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| 40 | #include "ahci_hw.h"
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| 41 |
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| 42 | /** AHCI Device. */
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| 43 | typedef struct {
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| 44 | /** Pointer to ddf device. */
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| 45 | ddf_dev_t *dev;
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| 46 |
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| 47 | /** Pointer to AHCI memory registers. */
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| 48 | volatile ahci_memregs_t *memregs;
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| 49 |
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| 50 | /** Pointers to sata devices. */
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| 51 | void *sata_devs[AHCI_MAX_PORTS];
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| 52 | } ahci_dev_t;
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| 53 |
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| 54 | /** SATA Device. */
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| 55 | typedef struct {
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| 56 | /** Pointer to AHCI device. */
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| 57 | ahci_dev_t *ahci;
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| 58 |
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| 59 | /** SATA port number (0-31). */
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| 60 | uint8_t port_num;
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| 61 |
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| 62 | /** Device in invalid state (disconnected and so on). */
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| 63 | bool is_invalid_device;
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| 64 |
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| 65 | /** Pointer to SATA port. */
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| 66 | volatile ahci_port_t *port;
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| 67 |
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| 68 | /** Pointer to command header. */
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| 69 | volatile ahci_cmdhdr_t *cmd_header;
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| 70 |
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| 71 | /** Pointer to command table. */
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| 72 | volatile uint32_t *cmd_table;
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| 73 |
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| 74 | /** Mutex for single operation on device. */
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| 75 | fibril_mutex_t lock;
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| 76 |
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| 77 | /** Mutex for event signaling condition variable. */
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| 78 | fibril_mutex_t event_lock;
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| 79 |
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| 80 | /** Event signaling condition variable. */
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| 81 | fibril_condvar_t event_condvar;
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| 82 |
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| 83 | /** Event interrupt state. */
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| 84 | ahci_port_is_t event_pxis;
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| 85 |
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| 86 | /** Block device service id. */
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| 87 | service_id_t service_id;
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| 88 |
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| 89 | /** Number of device data blocks. */
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| 90 | uint64_t blocks;
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| 91 |
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| 92 | /** Size of device data blocks. */
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| 93 | size_t block_size;
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| 94 |
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| 95 | /** Name of SATA device. */
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| 96 | char model[STR_BOUNDS(40) + 1];
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| 97 |
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| 98 | /** Device in invalid state (disconnected and so on). */
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| 99 | bool is_packet_device;
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| 100 |
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| 101 | /** Highest UDMA mode supported. */
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| 102 | uint8_t highest_udma_mode;
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| 103 | } sata_dev_t;
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| 104 |
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| 105 | #endif
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