[PATCH 08/11] memstick: add support for decoding "specfile" media attributes

oakad
2008-03-04T16:33:31Z

drivers/memstick/core/mspro_block.c | 49 +++++++++++++++++++++++++++++++++++
1 files changed, 49 insertions(+), 0 deletions(-)

diff --git a/drivers/memstick/core/mspro_block.c b/drivers/memstick/core/mspro_block.c
index 00e74ea..2381c5d 100644
--- a/drivers/memstick/core/mspro_block.c
+++ b/drivers/memstick/core/mspro_block.c
@@ -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:
--
1.5.3.6