Load array of format capacities into struct burn_drive

This commit is contained in:
2007-01-13 21:16:04 +00:00
parent a2f8174330
commit a426df57d7
3 changed files with 93 additions and 19 deletions

View File

@@ -103,6 +103,20 @@ struct scsi_mode_data
};
/* ts A70112 : represents a single Formattable Capacity Descriptor as of
mmc5r03c.pdf 6.24.3.3 . There can at most be 32 of them. */
struct burn_format_descr {
/* format type: e.g 0x00 is "Full", 0x15 is "Quick" */
int type;
/* the size in bytes derived from Number of Blocks */
off_t size;
/* the Type Dependent Parameter (usually the write alignment size) */
unsigned tdp;
};
#define LIBBURN_SG_MAX_SIBLINGS 16
/** Gets initialized in enumerate_common() and burn_drive_register() */
@@ -144,9 +158,15 @@ struct burn_drive
/* ts A70108 from 23h READ FORMAT CAPACITY mmc5r03c.pdf 6.24 */
int format_descr_type; /* 1=unformatted, 2=formatted, 3=unclear */
off_t format_curr_max_size; /* meaning depends on format_descr_type */
unsigned format_curr_blsas; /* meaning depends on format_descr_type */
int best_format_type;
off_t best_format_size;
/* The complete list of format descriptors as read with 23h */
int num_format_descr;
struct burn_format_descr format_descriptors[32];
volatile int released;
/* ts A61106 */
@@ -231,6 +251,10 @@ struct burn_drive
/* ts A61220 : format media (e.g. DVD+RW) */
int (*format_unit) (struct burn_drive *d, off_t size, int flag);
/* ts A70108 */
/* mmc5r03c.pdf 6.24 : get list of available formats */
int (*read_format_capacities) (struct burn_drive *d, int top_wanted);
};
/* end of generic 'drive' data structures */