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yaml
---
r: 128150
b: refs/heads/master
c: 3854be7
h: refs/heads/master
v: v3
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David Woodhouse authored and David Woodhouse committed Dec 10, 2008
1 parent ec1d406 commit ace5975
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Showing 3 changed files with 70 additions and 70 deletions.
2 changes: 1 addition & 1 deletion [refs]
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Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 0f07a0be39735651091418c09b257785d12fbc59
refs/heads/master: 3854be7712f7b4bdcaed14664fc7c7124b3fef0d
100 changes: 50 additions & 50 deletions trunk/drivers/mtd/ftl.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -109,25 +109,25 @@ module_param(shuffle_freq, int, 0);
/* Each memory region corresponds to a minor device */
typedef struct partition_t {
struct mtd_blktrans_dev mbd;
u_int32_t state;
u_int32_t *VirtualBlockMap;
u_int32_t *VirtualPageMap;
u_int32_t FreeTotal;
uint32_t state;
uint32_t *VirtualBlockMap;
uint32_t *VirtualPageMap;
uint32_t FreeTotal;
struct eun_info_t {
u_int32_t Offset;
u_int32_t EraseCount;
u_int32_t Free;
u_int32_t Deleted;
uint32_t Offset;
uint32_t EraseCount;
uint32_t Free;
uint32_t Deleted;
} *EUNInfo;
struct xfer_info_t {
u_int32_t Offset;
u_int32_t EraseCount;
u_int16_t state;
uint32_t Offset;
uint32_t EraseCount;
uint16_t state;
} *XferInfo;
u_int16_t bam_index;
u_int32_t *bam_cache;
u_int16_t DataUnits;
u_int32_t BlocksPerUnit;
uint16_t bam_index;
uint32_t *bam_cache;
uint16_t DataUnits;
uint32_t BlocksPerUnit;
erase_unit_header_t header;
} partition_t;

Expand Down Expand Up @@ -199,8 +199,8 @@ static int scan_header(partition_t *part)
static int build_maps(partition_t *part)
{
erase_unit_header_t header;
u_int16_t xvalid, xtrans, i;
u_int blocks, j;
uint16_t xvalid, xtrans, i;
unsigned blocks, j;
int hdr_ok, ret = -1;
ssize_t retval;
loff_t offset;
Expand Down Expand Up @@ -269,14 +269,14 @@ static int build_maps(partition_t *part)

/* Set up virtual page map */
blocks = le32_to_cpu(header.FormattedSize) >> header.BlockSize;
part->VirtualBlockMap = vmalloc(blocks * sizeof(u_int32_t));
part->VirtualBlockMap = vmalloc(blocks * sizeof(uint32_t));
if (!part->VirtualBlockMap)
goto out_XferInfo;

memset(part->VirtualBlockMap, 0xff, blocks * sizeof(u_int32_t));
memset(part->VirtualBlockMap, 0xff, blocks * sizeof(uint32_t));
part->BlocksPerUnit = (1 << header.EraseUnitSize) >> header.BlockSize;

part->bam_cache = kmalloc(part->BlocksPerUnit * sizeof(u_int32_t),
part->bam_cache = kmalloc(part->BlocksPerUnit * sizeof(uint32_t),
GFP_KERNEL);
if (!part->bam_cache)
goto out_VirtualBlockMap;
Expand All @@ -290,7 +290,7 @@ static int build_maps(partition_t *part)
offset = part->EUNInfo[i].Offset + le32_to_cpu(header.BAMOffset);

ret = part->mbd.mtd->read(part->mbd.mtd, offset,
part->BlocksPerUnit * sizeof(u_int32_t), &retval,
part->BlocksPerUnit * sizeof(uint32_t), &retval,
(unsigned char *)part->bam_cache);

if (ret)
Expand Down Expand Up @@ -332,7 +332,7 @@ static int build_maps(partition_t *part)
======================================================================*/

static int erase_xfer(partition_t *part,
u_int16_t xfernum)
uint16_t xfernum)
{
int ret;
struct xfer_info_t *xfer;
Expand Down Expand Up @@ -408,7 +408,7 @@ static int prepare_xfer(partition_t *part, int i)
erase_unit_header_t header;
struct xfer_info_t *xfer;
int nbam, ret;
u_int32_t ctl;
uint32_t ctl;
ssize_t retlen;
loff_t offset;

Expand All @@ -430,15 +430,15 @@ static int prepare_xfer(partition_t *part, int i)
}

/* Write the BAM stub */
nbam = (part->BlocksPerUnit * sizeof(u_int32_t) +
nbam = (part->BlocksPerUnit * sizeof(uint32_t) +
le32_to_cpu(part->header.BAMOffset) + SECTOR_SIZE - 1) / SECTOR_SIZE;

offset = xfer->Offset + le32_to_cpu(part->header.BAMOffset);
ctl = cpu_to_le32(BLOCK_CONTROL);

for (i = 0; i < nbam; i++, offset += sizeof(u_int32_t)) {
for (i = 0; i < nbam; i++, offset += sizeof(uint32_t)) {

ret = part->mbd.mtd->write(part->mbd.mtd, offset, sizeof(u_int32_t),
ret = part->mbd.mtd->write(part->mbd.mtd, offset, sizeof(uint32_t),
&retlen, (u_char *)&ctl);

if (ret)
Expand All @@ -461,18 +461,18 @@ static int prepare_xfer(partition_t *part, int i)
======================================================================*/

static int copy_erase_unit(partition_t *part, u_int16_t srcunit,
u_int16_t xferunit)
static int copy_erase_unit(partition_t *part, uint16_t srcunit,
uint16_t xferunit)
{
u_char buf[SECTOR_SIZE];
struct eun_info_t *eun;
struct xfer_info_t *xfer;
u_int32_t src, dest, free, i;
u_int16_t unit;
uint32_t src, dest, free, i;
uint16_t unit;
int ret;
ssize_t retlen;
loff_t offset;
u_int16_t srcunitswap = cpu_to_le16(srcunit);
uint16_t srcunitswap = cpu_to_le16(srcunit);

eun = &part->EUNInfo[srcunit];
xfer = &part->XferInfo[xferunit];
Expand All @@ -486,7 +486,7 @@ static int copy_erase_unit(partition_t *part, u_int16_t srcunit,
offset = eun->Offset + le32_to_cpu(part->header.BAMOffset);

ret = part->mbd.mtd->read(part->mbd.mtd, offset,
part->BlocksPerUnit * sizeof(u_int32_t),
part->BlocksPerUnit * sizeof(uint32_t),
&retlen, (u_char *) (part->bam_cache));

/* mark the cache bad, in case we get an error later */
Expand All @@ -503,7 +503,7 @@ static int copy_erase_unit(partition_t *part, u_int16_t srcunit,
offset = xfer->Offset + 20; /* Bad! */
unit = cpu_to_le16(0x7fff);

ret = part->mbd.mtd->write(part->mbd.mtd, offset, sizeof(u_int16_t),
ret = part->mbd.mtd->write(part->mbd.mtd, offset, sizeof(uint16_t),
&retlen, (u_char *) &unit);

if (ret) {
Expand Down Expand Up @@ -560,7 +560,7 @@ static int copy_erase_unit(partition_t *part, u_int16_t srcunit,


/* All clear? Then update the LogicalEUN again */
ret = part->mbd.mtd->write(part->mbd.mtd, xfer->Offset + 20, sizeof(u_int16_t),
ret = part->mbd.mtd->write(part->mbd.mtd, xfer->Offset + 20, sizeof(uint16_t),
&retlen, (u_char *)&srcunitswap);

if (ret) {
Expand Down Expand Up @@ -605,8 +605,8 @@ static int copy_erase_unit(partition_t *part, u_int16_t srcunit,

static int reclaim_block(partition_t *part)
{
u_int16_t i, eun, xfer;
u_int32_t best;
uint16_t i, eun, xfer;
uint32_t best;
int queued, ret;

DEBUG(0, "ftl_cs: reclaiming space...\n");
Expand Down Expand Up @@ -723,10 +723,10 @@ static void dump_lists(partition_t *part)
}
#endif

static u_int32_t find_free(partition_t *part)
static uint32_t find_free(partition_t *part)
{
u_int16_t stop, eun;
u_int32_t blk;
uint16_t stop, eun;
uint32_t blk;
size_t retlen;
int ret;

Expand All @@ -749,7 +749,7 @@ static u_int32_t find_free(partition_t *part)

ret = part->mbd.mtd->read(part->mbd.mtd,
part->EUNInfo[eun].Offset + le32_to_cpu(part->header.BAMOffset),
part->BlocksPerUnit * sizeof(u_int32_t),
part->BlocksPerUnit * sizeof(uint32_t),
&retlen, (u_char *) (part->bam_cache));

if (ret) {
Expand Down Expand Up @@ -786,7 +786,7 @@ static u_int32_t find_free(partition_t *part)
static int ftl_read(partition_t *part, caddr_t buffer,
u_long sector, u_long nblocks)
{
u_int32_t log_addr, bsize;
uint32_t log_addr, bsize;
u_long i;
int ret;
size_t offset, retlen;
Expand Down Expand Up @@ -829,14 +829,14 @@ static int ftl_read(partition_t *part, caddr_t buffer,
======================================================================*/

static int set_bam_entry(partition_t *part, u_int32_t log_addr,
u_int32_t virt_addr)
static int set_bam_entry(partition_t *part, uint32_t log_addr,
uint32_t virt_addr)
{
u_int32_t bsize, blk, le_virt_addr;
uint32_t bsize, blk, le_virt_addr;
#ifdef PSYCHO_DEBUG
u_int32_t old_addr;
uint32_t old_addr;
#endif
u_int16_t eun;
uint16_t eun;
int ret;
size_t retlen, offset;

Expand All @@ -845,11 +845,11 @@ static int set_bam_entry(partition_t *part, u_int32_t log_addr,
bsize = 1 << part->header.EraseUnitSize;
eun = log_addr / bsize;
blk = (log_addr % bsize) / SECTOR_SIZE;
offset = (part->EUNInfo[eun].Offset + blk * sizeof(u_int32_t) +
offset = (part->EUNInfo[eun].Offset + blk * sizeof(uint32_t) +
le32_to_cpu(part->header.BAMOffset));

#ifdef PSYCHO_DEBUG
ret = part->mbd.mtd->read(part->mbd.mtd, offset, sizeof(u_int32_t),
ret = part->mbd.mtd->read(part->mbd.mtd, offset, sizeof(uint32_t),
&retlen, (u_char *)&old_addr);
if (ret) {
printk(KERN_WARNING"ftl: Error reading old_addr in set_bam_entry: %d\n",ret);
Expand Down Expand Up @@ -886,7 +886,7 @@ static int set_bam_entry(partition_t *part, u_int32_t log_addr,
#endif
part->bam_cache[blk] = le_virt_addr;
}
ret = part->mbd.mtd->write(part->mbd.mtd, offset, sizeof(u_int32_t),
ret = part->mbd.mtd->write(part->mbd.mtd, offset, sizeof(uint32_t),
&retlen, (u_char *)&le_virt_addr);

if (ret) {
Expand All @@ -900,7 +900,7 @@ static int set_bam_entry(partition_t *part, u_int32_t log_addr,
static int ftl_write(partition_t *part, caddr_t buffer,
u_long sector, u_long nblocks)
{
u_int32_t bsize, log_addr, virt_addr, old_addr, blk;
uint32_t bsize, log_addr, virt_addr, old_addr, blk;
u_long i;
int ret;
size_t retlen, offset;
Expand Down
38 changes: 19 additions & 19 deletions trunk/include/linux/mtd/ftl.h
View file
Original file line number Diff line number Diff line change
Expand Up @@ -32,25 +32,25 @@
#define _LINUX_FTL_H

typedef struct erase_unit_header_t {
u_int8_t LinkTargetTuple[5];
u_int8_t DataOrgTuple[10];
u_int8_t NumTransferUnits;
u_int32_t EraseCount;
u_int16_t LogicalEUN;
u_int8_t BlockSize;
u_int8_t EraseUnitSize;
u_int16_t FirstPhysicalEUN;
u_int16_t NumEraseUnits;
u_int32_t FormattedSize;
u_int32_t FirstVMAddress;
u_int16_t NumVMPages;
u_int8_t Flags;
u_int8_t Code;
u_int32_t SerialNumber;
u_int32_t AltEUHOffset;
u_int32_t BAMOffset;
u_int8_t Reserved[12];
u_int8_t EndTuple[2];
uint8_t LinkTargetTuple[5];
uint8_t DataOrgTuple[10];
uint8_t NumTransferUnits;
uint32_t EraseCount;
uint16_t LogicalEUN;
uint8_t BlockSize;
uint8_t EraseUnitSize;
uint16_t FirstPhysicalEUN;
uint16_t NumEraseUnits;
uint32_t FormattedSize;
uint32_t FirstVMAddress;
uint16_t NumVMPages;
uint8_t Flags;
uint8_t Code;
uint32_t SerialNumber;
uint32_t AltEUHOffset;
uint32_t BAMOffset;
uint8_t Reserved[12];
uint8_t EndTuple[2];
} erase_unit_header_t;

/* Flags in erase_unit_header_t */
Expand Down

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