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memstick: add support for decoding "specfile" media attributes 

Signed-off-by: Alex Dubov <oakad@yahoo.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
hifive-unleashed-5.1
Alex Dubov 2008-03-10 11:43:41 -07:00 committed by Linus Torvalds
parent e4c70e8521
commit efb2742e5d
1 changed files with 49 additions and 0 deletions
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49
drivers/memstick/core/mspro_block.c
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@ -109,6 +109,17 @@ struct mspro_mbr {
unsigned int sectors_per_partition;
} __attribute__((packed));
struct mspro_specfile {
char name[8];
char ext[3];
unsigned char attr;
unsigned char reserved[10];
unsigned short time;
unsigned short date;
unsigned short cluster;
unsigned int size;
} __attribute__((packed));
struct mspro_devinfo {
unsigned short cylinders;
unsigned short heads;
@ -397,6 +408,41 @@ static ssize_t mspro_block_attr_show_mbr(struct device *dev,
return rc;
}
static ssize_t mspro_block_attr_show_specfile(struct device *dev,
struct device_attribute *attr,
char *buffer)
{
struct mspro_sys_attr *x_attr = container_of(attr,
struct mspro_sys_attr,
dev_attr);
struct mspro_specfile *x_spfile = x_attr->data;
char name[9], ext[4];
ssize_t rc = 0;
memcpy(name, x_spfile->name, 8);
name[8] = 0;
memcpy(ext, x_spfile->ext, 3);
ext[3] = 0;
rc += scnprintf(buffer + rc, PAGE_SIZE - rc, "name: %s\n", name);
rc += scnprintf(buffer + rc, PAGE_SIZE - rc, "ext: %s\n", ext);
rc += scnprintf(buffer + rc, PAGE_SIZE - rc, "attribute: %x\n",
x_spfile->attr);
rc += scnprintf(buffer + rc, PAGE_SIZE - rc, "time: %d:%d:%d\n",
x_spfile->time >> 11,
(x_spfile->time >> 5) & 0x3f,
(x_spfile->time & 0x1f) * 2);
rc += scnprintf(buffer + rc, PAGE_SIZE - rc, "date: %d-%d-%d\n",
(x_spfile->date >> 9) + 1980,
(x_spfile->date >> 5) & 0xf,
x_spfile->date & 0x1f);
rc += scnprintf(buffer + rc, PAGE_SIZE - rc, "start cluster: %x\n",
x_spfile->cluster);
rc += scnprintf(buffer + rc, PAGE_SIZE - rc, "size: %x\n",
x_spfile->size);
return rc;
}
static ssize_t mspro_block_attr_show_devinfo(struct device *dev,
struct device_attribute *attr,
char *buffer)
@ -429,6 +475,9 @@ static sysfs_show_t mspro_block_attr_show(unsigned char tag)
return mspro_block_attr_show_modelname;
case MSPRO_BLOCK_ID_MBR:
return mspro_block_attr_show_mbr;
case MSPRO_BLOCK_ID_SPECFILEVALUES1:
case MSPRO_BLOCK_ID_SPECFILEVALUES2:
return mspro_block_attr_show_specfile;
case MSPRO_BLOCK_ID_DEVINFO:
return mspro_block_attr_show_devinfo;
default: