void show_disk(struct s_hardware *hardware, ZZJSON_CONFIG *conf, ZZJSON **it, int drive) {
config=conf;
item=it;
int i = drive - 0x80;
struct driveinfo *d = &hardware->disk_info[i];
char mbr_name[50]={0};
char disk_size[11]={0};
get_mbr_string(hardware->mbr_ids[i], &mbr_name,sizeof(mbr_name));
if ((int)d->edd_params.sectors > 0)
sectors_to_size((int)d->edd_params.sectors, disk_size);
char disk[5]={0};
char edd_version[5]={0};
snprintf(disk,sizeof(disk),"0x%X",d->disk);
snprintf(edd_version,sizeof(edd_version),"%X",d->edd_version);
zzjson_print(config, *item);
zzjson_free(config, *item);
CREATE_ARRAY
add_as("disk->number",disk)
add_ai("disk->cylinders",d->legacy_max_cylinder +1)
add_ai("disk->heads",d->legacy_max_head +1)
add_ai("disk->sectors_per_track",d->legacy_sectors_per_track)
add_as("disk->edd_version",edd_version)
add_as("disk->size",disk_size)
add_ai("disk->bytes_per_sector",(int)d->edd_params.bytes_per_sector)
add_ai("disk->sectors_per_track",(int)d->edd_params.sectors_per_track)
add_as("disk->host_bus",remove_spaces((char *)d->edd_params.host_bus_type))
add_as("disk->interface_type",remove_spaces((char *)d->edd_params.interface_type))
add_as("disk->mbr_name",mbr_name)
add_ai("disk->mbr_id",hardware->mbr_ids[i])
END_OF_ARRAY;
if (parse_partition_table(d, &show_partition_information)) {
if (errno_disk) {
APPEND_ARRAY
add_as("disk->error", "IO Error")
END_OF_APPEND;
} else {
APPEND_ARRAY
add_as("disk->error", "Unrecognized Partition Layout")
END_OF_APPEND;
}
}
}
void main_show_disk(int argc, char **argv, struct s_hardware *hardware)
{
if (!argc) {
more_printf("Which disk?\n");
return;
}
int drive = strtol(argv[0], (char **)NULL, 16);
if (drive < 0x80 || drive >= 0xff) {
more_printf("Invalid disk: %d.\n", drive);
return;
}
int i = drive - 0x80;
struct driveinfo *d = &hardware->disk_info[i];
char disk_size[11];
char mbr_name[50];
reset_more_printf();
if (!hardware->disk_info[i].cbios) {
more_printf("No disk found\n");
return; /* Invalid geometry */
}
get_mbr_string(hardware->mbr_ids[i], &mbr_name, 50);
if ((int)d->edd_params.sectors > 0)
sectors_to_size((int)d->edd_params.sectors, disk_size);
else
memset(disk_size, 0, sizeof disk_size);
more_printf("DISK 0x%X:\n"
" C/H/S: %d cylinders, %d heads, %d sectors/track\n"
" EDD: Version: %X\n"
" Size: %s, %d bytes/sector, %d sectors/track\n"
" Host bus: %s, Interface type: %s\n"
" MBR: %s (id 0x%X)\n\n",
d->disk,
d->legacy_max_cylinder + 1, d->legacy_max_head + 1,
d->legacy_sectors_per_track, d->edd_version, disk_size,
(int)d->edd_params.bytes_per_sector,
(int)d->edd_params.sectors_per_track,
remove_spaces((char *)d->edd_params.host_bus_type),
remove_spaces((char *)d->edd_params.interface_type), mbr_name,
hardware->mbr_ids[i]);
display_line_nb += 6;
if (parse_partition_table(d, &show_partition_information)) {
if (errno_disk) {
fprintf(stderr, "I/O error parsing disk 0x%X\n", d->disk);
get_error("parse_partition_table");
} else {
fprintf(stderr, "Disk 0x%X: unrecognized partition layout\n",
d->disk);
}
fprintf(stderr, "\n");
}
more_printf("\n");
}
static int ata_port_init(struct ata_port *port)
{
int rc;
struct ata_port_operations *ops = port->ops;
struct device_d *dev = &port->class_dev;
if (ops->init) {
rc = ops->init(port);
if (rc)
return rc;
}
port->id = dma_alloc(SECTOR_SIZE);
port->blk.dev = dev;
port->blk.ops = &ata_ops;
if (ops->reset) {
rc = ops->reset(port);
if (rc) {
dev_dbg(dev, "Resetting failed\n");
goto on_error;
}
}
rc = ops->read_id(port, port->id);
if (rc != 0) {
dev_dbg(dev, "Reading ID failed\n");
goto on_error;
}
ata_fix_endianess(port->id, SECTOR_SIZE / sizeof(uint16_t));
rc = ata_id_is_valid(port->id);
if (rc) {
dev_err(dev, "ata id invalid\n");
free(port->id);
return rc;
}
#ifdef DEBUG
ata_dump_id(port->id);
#endif
rc = cdev_find_free_index("ata");
if (rc == -1)
pr_err("Cannot find a free index for the disk node\n");
port->blk.num_blocks = ata_id_n_sectors(port->id);
port->blk.cdev.name = asprintf("ata%d", rc);
port->blk.blockbits = SECTOR_SHIFT;
rc = blockdevice_register(&port->blk);
if (rc != 0) {
dev_err(dev, "Failed to register blockdevice\n");
goto on_error;
}
dev_info(dev, "registered /dev/%s\n", port->blk.cdev.name);
/* create partitions on demand */
rc = parse_partition_table(&port->blk);
if (rc != 0)
dev_warn(dev, "No partition table found\n");
return 0;
on_error:
return rc;
}
