sortix-mirror/kernel/disk/ahci/ahci.h

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1.4 KiB
C++

/*
* Copyright (c) 2013, 2014, 2015, 2016 Jonas 'Sortie' Termansen.
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
* disk/ahci/ahci.h
* Driver for the Advanced Host Controller Interface.
*/
#ifndef SORTIX_DISK_AHCI_AHCI_H
#define SORTIX_DISK_AHCI_AHCI_H
#include <endian.h>
#include <sortix/kernel/descriptor.h>
#include <sortix/kernel/refcount.h>
namespace Sortix {
namespace AHCI {
bool WaitClear(volatile little_uint32_t* reg,
uint32_t bits,
bool any,
unsigned int msecs);
bool WaitSet(volatile little_uint32_t* reg,
uint32_t bits,
bool any,
unsigned int msecs);
void Init(const char* devpath, Ref<Descriptor> dev);
} // namespace AHCI
} // namespace Sortix
#endif