62 lines
1.7 KiB
C++
62 lines
1.7 KiB
C++
/*
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* Copyright (c) 2011, 2012, 2013, 2014, 2015, 2016 Jonas 'Sortie' Termansen.
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*
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* disk/ata/ata.cpp
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* Driver for ATA.
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*/
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#include <stdarg.h>
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#include <stdint.h>
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#include <string.h>
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#include <sortix/kernel/descriptor.h>
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#include <sortix/kernel/kernel.h>
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#include <sortix/kernel/pci.h>
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#include <sortix/kernel/refcount.h>
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#include "ata.h"
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#include "hba.h"
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namespace Sortix {
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namespace ATA {
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static void InitializeDevice(Ref<Descriptor> dev, const char* devpath,
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uint32_t devaddr)
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{
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HBA* hba = new HBA(devaddr);
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if ( !hba )
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PanicF("Failed to allocate ATA driver for PCI device 0x%X", devaddr);
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if ( !hba->Initialize(dev, devpath) )
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return delete hba;
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}
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void Init(const char* devpath, Ref<Descriptor> dev)
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{
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uint32_t devaddr;
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pcifind_t filter;
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memset(&filter, 255, sizeof(filter));
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filter.classid = 0x01;
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filter.subclassid = 0x01;
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devaddr = 0;
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while ( (devaddr = PCI::SearchForDevices(filter, devaddr)) )
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InitializeDevice(dev, devpath, devaddr);
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}
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} // namespace ATA
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} // namespace Sortix
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