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Begin ATAPI support. The scsi_cd driver already tries opening the device.

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git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@25576 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Marcus Overhagen 2008-05-20 20:30:06 +00:00
parent 705263f5b3
commit 5d92f82a94
2 changed files with 24 additions and 18 deletions
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39
src/add-ons/kernel/busses/scsi/ahci/ahci_port.cpp
View File

@ -1,5 +1,5 @@
/*
* Copyright 2007, Marcus Overhagen. All rights reserved.
* Copyright 2007-2008, Marcus Overhagen. All rights reserved.
* Distributed under the terms of the MIT License.
*/
@ -94,6 +94,7 @@ AHCIPort::AHCIPort(AHCIController *controller, int index)
, fUse48BitCommands(false)
, fSectorSize(0)
, fSectorCount(0)
, fIsATAPI(false)
{
fRequestSem = create_sem(1, "ahci request");
fResponseSem = create_sem(0, "ahci response");
@ -305,7 +306,9 @@ AHCIPort::PostResetDevice()
wait_until_clear(&fRegs->tfd, ATA_BSY, 31000000);
if (fRegs->sig == 0xeb140101)
fIsATAPI = fRegs->sig == 0xeb140101;
if (fIsATAPI)
fRegs->cmd |= PORT_CMD_ATAPI;
else
fRegs->cmd &= ~PORT_CMD_ATAPI;
@ -477,7 +480,7 @@ AHCIPort::ScsiInquiry(scsi_ccb *request)
sata_request sreq;
sreq.set_data(&ataData, sizeof(ataData));
sreq.set_ata_cmd(0xec); // Identify Device
sreq.set_ata_cmd(fIsATAPI ? 0xa1 : 0xec); // Identify (Packet) Device
ExecuteSataRequest(&sreq);
sreq.wait_for_completition();
@ -488,17 +491,17 @@ AHCIPort::ScsiInquiry(scsi_ccb *request)
return;
}
/*
uint8 *data = (uint8*) &ataData;
for (int i = 0; i < 512; i += 8) {
TRACE(" %02x %02x %02x %02x %02x %02x %02x %02x\n", data[i], data[i+1], data[i+2], data[i+3], data[i+4], data[i+5], data[i+6], data[i+7]);
}
*/
scsiData.device_type = scsi_dev_direct_access;
scsiData.device_type = fIsATAPI ? scsi_dev_CDROM : scsi_dev_direct_access;
scsiData.device_qualifier = scsi_periph_qual_connected;
scsiData.device_type_modifier = 0;
scsiData.removable_medium = false;
scsiData.removable_medium = fIsATAPI;
scsiData.ansi_version = 2;
scsiData.ecma_version = 0;
scsiData.iso_version = 0;
@ -516,13 +519,17 @@ AHCIPort::ScsiInquiry(scsi_ccb *request)
memcpy(scsiData.product_ident, ataData.model_number + 8, sizeof(scsiData.product_ident));
memcpy(scsiData.product_rev, ataData.serial_number, sizeof(scsiData.product_rev));
bool lba = (ataData.words[49] & (1 << 9)) != 0;
bool lba48 = (ataData.words[83] & (1 << 10)) != 0;
uint32 sectors = *(uint32*)&ataData.words[60];
uint64 sectors48 = *(uint64*)&ataData.words[100];
fUse48BitCommands = lba && lba48;
fSectorSize = 512;
fSectorCount = !(lba || sectors) ? 0 : lba48 ? sectors48 : sectors;
if (!fIsATAPI) {
bool lba = (ataData.words[49] & (1 << 9)) != 0;
bool lba48 = (ataData.words[83] & (1 << 10)) != 0;
uint32 sectors = *(uint32*)&ataData.words[60];
uint64 sectors48 = *(uint64*)&ataData.words[100];
fUse48BitCommands = lba && lba48;
fSectorSize = 512;
fSectorCount = !(lba || sectors) ? 0 : lba48 ? sectors48 : sectors;
TRACE("lba %d, lba48 %d, fUse48BitCommands %d, sectors %lu, sectors48 %llu, size %llu\n",
lba, lba48, fUse48BitCommands, sectors, sectors48, fSectorCount * fSectorSize);
}
#if 0
if (fSectorCount < 0x0fffffff) {
@ -546,8 +553,6 @@ AHCIPort::ScsiInquiry(scsi_ccb *request)
TRACE("model number: %s\n", modelNumber);
TRACE("serial number: %s\n", serialNumber);
TRACE("firmware rev.: %s\n", firmwareRev);
TRACE("lba %d, lba48 %d, fUse48BitCommands %d, sectors %lu, sectors48 %llu, size %llu\n",
lba, lba48, fUse48BitCommands, sectors, sectors48, fSectorCount * fSectorSize);
if (sg_memcpy(request->sg_list, request->sg_count, &scsiData, sizeof(scsiData)) < B_OK) {
request->subsys_status = SCSI_DATA_RUN_ERR;
@ -819,7 +824,7 @@ AHCIPort::ScsiResetDevice()
void
AHCIPort::ScsiGetRestrictions(bool *isATAPI, bool *noAutoSense, uint32 *maxBlocks)
{
*isATAPI = !!(fRegs->cmd & PORT_CMD_ATAPI);
*isATAPI = fIsATAPI;
*noAutoSense = false;
*maxBlocks = fUse48BitCommands ? 65536 : 256;
TRACE("AHCIPort::ScsiGetRestrictions port %d: isATAPI %d, noAutoSense %d, maxBlocks %lu\n",

3
src/add-ons/kernel/busses/scsi/ahci/ahci_port.h
View File

@ -1,5 +1,5 @@
/*
* Copyright 2007, Marcus Overhagen. All rights reserved.
* Copyright 2007-2008, Marcus Overhagen. All rights reserved.
* Distributed under the terms of the MIT License.
*/
#ifndef _AHCI_PORT_H
@ -64,6 +64,7 @@ private:
bool fUse48BitCommands;
uint32 fSectorSize;
uint64 fSectorCount;
bool fIsATAPI;
volatile fis * fFIS;
volatile command_list_entry * fCommandList;