From Jérôme Duval <jerome.duval@xxxxxxxxx>:
Jérôme Duval has uploaded this change for review. (
https://review.haiku-os.org/c/haiku/+/5397 ;)
Change subject: usb_disk: add support for drives bigger than 2TB
......................................................................
usb_disk: add support for drives bigger than 2TB
* tested read/write with a NTFS partition at the end of a 5TB USB hard disk.
* fix #14670
---
M src/add-ons/kernel/drivers/disk/usb/usb_disk/usb_disk.cpp
M src/add-ons/kernel/drivers/disk/usb/usb_disk/usb_disk.h
M src/add-ons/kernel/drivers/disk/usb/usb_disk/usb_disk_scsi.h
3 files changed, 127 insertions(+), 22 deletions(-)
git pull ssh://git.haiku-os.org:22/haiku refs/changes/97/5397/1
diff --git a/src/add-ons/kernel/drivers/disk/usb/usb_disk/usb_disk.cpp
b/src/add-ons/kernel/drivers/disk/usb/usb_disk/usb_disk.cpp
index 00ae1b2..f14f0ff 100644
--- a/src/add-ons/kernel/drivers/disk/usb/usb_disk/usb_disk.cpp
+++ b/src/add-ons/kernel/drivers/disk/usb/usb_disk/usb_disk.cpp
@@ -1152,6 +1152,56 @@
}
+static status_t
+usb_disk_update_capacity_16(device_lun *lun)
+{
+ size_t dataLength = sizeof(scsi_read_capacity_16_parameter);
+ scsi_read_capacity_16_parameter parameter;
+ status_t result = B_ERROR;
+ err_act action = err_act_ok;
+
+ uint8 commandBlock[16];
+ memset(commandBlock, 0, sizeof(commandBlock));
+
+ commandBlock[0] = SCSI_SERVICE_ACTION_IN;
+ commandBlock[1] = SCSI_SAI_READ_CAPACITY_16;
+ commandBlock[10] = dataLength >> 24;
+ commandBlock[11] = dataLength >> 16;
+ commandBlock[12] = dataLength >> 8;
+ commandBlock[13] = dataLength;
+
+ // Retry reading the capacity up to three times. The first try might
only
+ // yield a unit attention telling us that the device or media status
+ // changed, which is more or less expected if it is the first operation
+ // on the device or the device only clears the unit atention for
capacity
+ // reads.
+ for (int32 i = 0; i < 5; i++) {
+ result = usb_disk_operation(lun, commandBlock, 16, ¶meter,
+ &dataLength, true, &action);
+
+ if (result == B_OK || (action != err_act_retry
+ && action != err_act_many_retries)) {
+ break;
+ }
+ }
+
+ if (result != B_OK) {
+ TRACE_ALWAYS("failed to update capacity: %s\n",
strerror(result));
+ lun->media_present = false;
+ lun->media_changed = false;
+ usb_disk_reset_capacity(lun);
+ return result;
+ }
+
+ lun->media_present = true;
+ lun->media_changed = false;
+ lun->block_size =
B_BENDIAN_TO_HOST_INT32(parameter.logical_block_length);
+ lun->block_count =
+ B_BENDIAN_TO_HOST_INT64(parameter.last_logical_block_address) +
1;
+ return B_OK;
+}
+
+
status_t
usb_disk_update_capacity(device_lun *lun)
{
@@ -1200,6 +1250,10 @@
lun->block_size =
B_BENDIAN_TO_HOST_INT32(parameter.logical_block_length);
lun->block_count =
B_BENDIAN_TO_HOST_INT32(parameter.last_logical_block_address) +
1;
+ if (lun->block_count == 0) {
+ // try SCSI_READ_CAPACITY_16
+ return usb_disk_update_capacity_16(lun);
+ }
return B_OK;
}
@@ -1521,14 +1575,14 @@
static bool
usb_disk_needs_partial_buffer(device_lun *lun, off_t position, size_t length,
- uint32 &blockPosition, uint16 &blockCount)
+ uint64 &blockPosition, size_t &blockCount)
{
- blockPosition = (uint32)(position / lun->block_size);
+ blockPosition = (uint64)(position / lun->block_size);
if ((off_t)blockPosition * lun->block_size != position)
return true;
- blockCount = (uint16)(length / lun->block_size);
- if ((size_t)blockCount * lun->block_size != length)
+ blockCount = length / lun->block_size;
+ if (blockCount * lun->block_size != length)
return true;
return false;
@@ -1536,10 +1590,10 @@
static status_t
-usb_disk_block_read(device_lun *lun, uint32 blockPosition, uint16 blockCount,
+usb_disk_block_read(device_lun *lun, uint64 blockPosition, size_t blockCount,
void *buffer, size_t *length)
{
- uint8 commandBlock[12];
+ uint8 commandBlock[16];
memset(commandBlock, 0, sizeof(commandBlock));
if (lun->device->is_ufi) {
commandBlock[0] = SCSI_READ_12;
@@ -1548,8 +1602,8 @@
commandBlock[3] = blockPosition >> 16;
commandBlock[4] = blockPosition >> 8;
commandBlock[5] = blockPosition;
- commandBlock[6] = 0; // blockCount >> 24;
- commandBlock[7] = 0; // blockCount >> 16;
+ commandBlock[6] = blockCount >> 24;
+ commandBlock[7] = blockCount >> 16;
commandBlock[8] = blockCount >> 8;
commandBlock[9] = blockCount;
@@ -1563,7 +1617,7 @@
snooze(10000);
}
return result;
- } else {
+ } else if (blockPosition + blockCount < 0x100000000LL && blockCount <=
0x10000) {
commandBlock[0] = SCSI_READ_10;
commandBlock[1] = 0;
commandBlock[2] = blockPosition >> 24;
@@ -1575,15 +1629,33 @@
status_t result = usb_disk_operation(lun, commandBlock, 10,
buffer, length, true);
return result;
+ } else {
+ commandBlock[0] = SCSI_READ_16;
+ commandBlock[1] = 0;
+ commandBlock[2] = blockPosition >> 56;
+ commandBlock[3] = blockPosition >> 48;
+ commandBlock[4] = blockPosition >> 40;
+ commandBlock[5] = blockPosition >> 32;
+ commandBlock[6] = blockPosition >> 24;
+ commandBlock[7] = blockPosition >> 16;
+ commandBlock[8] = blockPosition >> 8;
+ commandBlock[9] = blockPosition;
+ commandBlock[10] = blockCount >> 24;
+ commandBlock[11] = blockCount >> 16;
+ commandBlock[12] = blockCount >> 8;
+ commandBlock[13] = blockCount;
+ status_t result = usb_disk_operation(lun, commandBlock, 16,
+ buffer, length, true);
+ return result;
}
}
static status_t
-usb_disk_block_write(device_lun *lun, uint32 blockPosition, uint16 blockCount,
+usb_disk_block_write(device_lun *lun, uint64 blockPosition, size_t blockCount,
void *buffer, size_t *length)
{
- uint8 commandBlock[12];
+ uint8 commandBlock[16];
memset(commandBlock, 0, sizeof(commandBlock));
if (lun->device->is_ufi) {
@@ -1613,7 +1685,7 @@
if (result == B_OK)
lun->should_sync = true;
return result;
- } else {
+ } else if (blockPosition + blockCount < 0x100000000LL && blockCount <=
0x10000) {
commandBlock[0] = SCSI_WRITE_10;
commandBlock[2] = blockPosition >> 24;
commandBlock[3] = blockPosition >> 16;
@@ -1626,18 +1698,38 @@
if (result == B_OK)
lun->should_sync = true;
return result;
+ } else {
+ commandBlock[0] = SCSI_WRITE_16;
+ commandBlock[1] = 0;
+ commandBlock[2] = blockPosition >> 56;
+ commandBlock[3] = blockPosition >> 48;
+ commandBlock[4] = blockPosition >> 40;
+ commandBlock[5] = blockPosition >> 32;
+ commandBlock[6] = blockPosition >> 24;
+ commandBlock[7] = blockPosition >> 16;
+ commandBlock[8] = blockPosition >> 8;
+ commandBlock[9] = blockPosition;
+ commandBlock[10] = blockCount >> 24;
+ commandBlock[11] = blockCount >> 16;
+ commandBlock[12] = blockCount >> 8;
+ commandBlock[13] = blockCount;
+ status_t result = usb_disk_operation(lun, commandBlock, 16,
+ buffer, length, false);
+ if (result == B_OK)
+ lun->should_sync = true;
+ return result;
}
}
static status_t
usb_disk_prepare_partial_buffer(device_lun *lun, off_t position, size_t length,
- void *&partialBuffer, void *&blockBuffer, uint32 &blockPosition,
- uint16 &blockCount)
+ void *&partialBuffer, void *&blockBuffer, uint64 &blockPosition,
+ size_t &blockCount)
{
- blockPosition = (uint32)(position / lun->block_size);
- blockCount = (uint16)((uint32)((position + length + lun->block_size - 1)
- / lun->block_size) - blockPosition);
+ blockPosition = position / lun->block_size;
+ blockCount = (position + length + lun->block_size - 1)
+ / lun->block_size - blockPosition;
size_t blockLength = blockCount * lun->block_size;
blockBuffer = malloc(blockLength);
if (blockBuffer == NULL) {
@@ -2005,8 +2097,8 @@
}
status_t result = B_ERROR;
- uint32 blockPosition = 0;
- uint16 blockCount = 0;
+ uint64 blockPosition = 0;
+ size_t blockCount = 0;
bool needsPartial = usb_disk_needs_partial_buffer(lun, position,
*length,
blockPosition, blockCount);
if (needsPartial) {
@@ -2056,8 +2148,8 @@
}
status_t result = B_ERROR;
- uint32 blockPosition = 0;
- uint16 blockCount = 0;
+ uint64 blockPosition = 0;
+ size_t blockCount = 0;
bool needsPartial = usb_disk_needs_partial_buffer(lun, position,
*length, blockPosition, blockCount);
if (needsPartial) {
diff --git a/src/add-ons/kernel/drivers/disk/usb/usb_disk/usb_disk.h
b/src/add-ons/kernel/drivers/disk/usb/usb_disk/usb_disk.h
index 8008032..4b2a78b 100644
--- a/src/add-ons/kernel/drivers/disk/usb/usb_disk/usb_disk.h
+++ b/src/add-ons/kernel/drivers/disk/usb/usb_disk/usb_disk.h
@@ -68,7 +68,7 @@
// device information through read capacity/inquiry
bool media_present;
bool media_changed;
- uint32 block_count;
+ uint64 block_count;
uint32 block_size;
uint8 device_type;
bool removable;
diff --git a/src/add-ons/kernel/drivers/disk/usb/usb_disk/usb_disk_scsi.h
b/src/add-ons/kernel/drivers/disk/usb/usb_disk/usb_disk_scsi.h
index 413e907..5061d0b 100644
--- a/src/add-ons/kernel/drivers/disk/usb/usb_disk/usb_disk_scsi.h
+++ b/src/add-ons/kernel/drivers/disk/usb/usb_disk/usb_disk_scsi.h
@@ -22,8 +22,15 @@
SCSI_SYNCHRONIZE_CACHE_10 = 0x35,
SCSI_READ_12 = 0xA8,
SCSI_WRITE_12 = 0xAA,
+ SCSI_READ_16 = 0x88,
+ SCSI_WRITE_16 = 0x8A,
+ SCSI_SERVICE_ACTION_IN = 0x9E,
} scsi_operations;
+typedef enum {
+ SCSI_SAI_READ_CAPACITY_16 = 0x10,
+} scsi_service_actions;
+
// common command structures
typedef struct scsi_command_6_s {
uint8 operation;
@@ -89,6 +96,12 @@
uint32 logical_block_length;
} _PACKED scsi_read_capacity_10_parameter;
+typedef struct scsi_read_capacity_16_parameter_s {
+ uint64 last_logical_block_address;
+ uint32 logical_block_length;
+ uint8 reserved[20];
+} _PACKED scsi_read_capacity_16_parameter;
+
// request sense keys/codes
typedef enum {
SCSI_SENSE_KEY_NO_SENSE = 0x00,
--
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Gerrit-Project: haiku
Gerrit-Branch: master
Gerrit-Change-Id: Ic005dfb7ef94b50a2d6fc8099ef5c83ec6b4a730
Gerrit-Change-Number: 5397
Gerrit-PatchSet: 1
Gerrit-Owner: Jérôme Duval <jerome.duval@xxxxxxxxx>
Gerrit-MessageType: newchange
