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dasdfmt: Use libdasd provided ioctl functions
Closes: #19 Signed-off-by: Rafael Fonseca <r4f4rfs@gmail.com> Acked-by: Jan Höppner <hoeppner@linux.vnet.ibm.com> Signed-off-by: Stefan Haberland <sth@linux.vnet.ibm.com>
This commit is contained in:
Rafael Fonseca
committed by
Stefan Haberland
Stefan Haberland
parent
09aa7f2010
commit
8826028bdc
@@ -31,120 +31,6 @@
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* SECTION: Definition needed for DASD-API (see dasd.h) *
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****************************************************************************/
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#define DASD_IOCTL_LETTER 'D'
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/*
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* struct dasd_information2_t
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* represents any data about the device, which is visible to userspace.
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* including format and features.
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*/
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typedef struct dasd_information2_t {
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unsigned int devno; /* S/390 devno */
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unsigned int real_devno; /* for aliases */
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unsigned int schid; /* S/390 subchannel identifier */
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unsigned int cu_type : 16; /* from SenseID */
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unsigned int cu_model : 8; /* from SenseID */
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unsigned int dev_type : 16; /* from SenseID */
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unsigned int dev_model : 8; /* from SenseID */
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unsigned int open_count;
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unsigned int req_queue_len;
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unsigned int chanq_len; /* length of chanq */
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char type[4]; /* from discipline.name, */
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/* 'none' for unknown */
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unsigned int status; /* current device level */
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unsigned int label_block; /* where to find the VOLSER */
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unsigned int FBA_layout; /* fixed block size (like AIXVOL) */
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unsigned int characteristics_size;
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unsigned int confdata_size;
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char characteristics[64]; /* from read_device_characteristics */
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char configuration_data[256]; /* from read_configuration_data */
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unsigned int format; /* format info like formatted/cdl/ldl/... */
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unsigned int features; /* dasd features like 'ro',... */
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unsigned int reserved0; /* reserved for further use ,... */
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unsigned int reserved1; /* reserved for further use ,... */
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unsigned int reserved2; /* reserved for further use ,... */
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unsigned int reserved3; /* reserved for further use ,... */
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unsigned int reserved4; /* reserved for further use ,... */
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unsigned int reserved5; /* reserved for further use ,... */
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unsigned int reserved6; /* reserved for further use ,... */
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unsigned int reserved7; /* reserved for further use ,... */
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} dasd_information2_t;
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struct dasd_eckd_characteristics {
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unsigned short cu_type;
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struct {
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unsigned char support:2;
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unsigned char async:1;
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unsigned char reserved:1;
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unsigned char cache_info:1;
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unsigned char model:3;
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} __attribute__ ((packed)) cu_model;
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unsigned short dev_type;
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unsigned char dev_model;
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struct {
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unsigned char mult_burst:1;
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unsigned char RT_in_LR:1;
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unsigned char reserved1:1;
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unsigned char RD_IN_LR:1;
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unsigned char reserved2:4;
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unsigned char reserved3:8;
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unsigned char defect_wr:1;
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unsigned char XRC_supported:1;
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unsigned char reserved4:1;
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unsigned char striping:1;
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unsigned char reserved5:4;
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unsigned char cfw:1;
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unsigned char reserved6:2;
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unsigned char cache:1;
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unsigned char dual_copy:1;
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unsigned char dfw:1;
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unsigned char reset_alleg:1;
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unsigned char sense_down:1;
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} __attribute__ ((packed)) facilities;
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unsigned char dev_class;
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unsigned char unit_type;
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unsigned short no_cyl;
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unsigned short trk_per_cyl;
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unsigned char sec_per_trk;
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unsigned char byte_per_track[3];
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unsigned short home_bytes;
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unsigned char formula;
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union {
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struct {
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unsigned char f1;
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unsigned short f2;
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unsigned short f3;
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} __attribute__ ((packed)) f_0x01;
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struct {
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unsigned char f1;
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unsigned char f2;
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unsigned char f3;
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unsigned char f4;
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unsigned char f5;
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} __attribute__ ((packed)) f_0x02;
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} __attribute__ ((packed)) factors;
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unsigned short first_alt_trk;
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unsigned short no_alt_trk;
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unsigned short first_dia_trk;
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unsigned short no_dia_trk;
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unsigned short first_sup_trk;
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unsigned short no_sup_trk;
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unsigned char MDR_ID;
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unsigned char OBR_ID;
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unsigned char director;
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unsigned char rd_trk_set;
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unsigned short max_rec_zero;
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unsigned char reserved1;
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unsigned char RWANY_in_LR;
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unsigned char factor6;
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unsigned char factor7;
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unsigned char factor8;
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unsigned char reserved2[3];
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unsigned char reserved3[6];
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unsigned int long_no_cyl;
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} __attribute__ ((packed));
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/*
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* Represents possible format modes that can be specified when formatting
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* a DASD.
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@@ -159,17 +45,6 @@ static const char mode_str[3][10] = {
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"Full", "Quick", "Expand"
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};
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/*
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* struct format_data_t
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* represents all data necessary to format a dasd
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*/
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typedef struct format_data_t {
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unsigned int start_unit; /* from track */
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unsigned int stop_unit; /* to track */
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unsigned int blksize; /* sectorsize */
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unsigned int intensity;
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} format_data_t;
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/*
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* values to be used for format_data_t.intensity
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* 0/8: normal format
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@@ -183,24 +58,6 @@ typedef struct format_data_t {
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#define DASD_FMT_INT_COMPAT 8 /* use OS/390 compatible disk layout */
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#define DASD_FMT_INT_FMT_NOR0 16 /* remove permission to write record zero */
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/*
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* struct format_check_t
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* represents all data necessary to evaluate the format of
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* different tracks of a dasd
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*/
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typedef struct format_check_t {
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/* Input */
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struct format_data_t expect;
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/* Output */
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unsigned int result; /* Error indication (DASD_FMT_ERR_*) */
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unsigned int unit; /* Track that is in error */
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unsigned int rec; /* Record that is in error */
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unsigned int num_records; /* Records in the track in error */
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unsigned int blksize; /* Block-size of first record in error */
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unsigned int key_length; /* Key length of first record in error */
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} format_check_t;
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/*
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* values to be used in format_check_t for indicating
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* possible format errors
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@@ -221,33 +78,6 @@ typedef struct format_check_t {
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#define DASD_FORMAT_LDL 1
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#define DASD_FORMAT_CDL 2
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/* Disable the volume (for Linux) */
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#define BIODASDDISABLE _IO(DASD_IOCTL_LETTER,0)
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/* Enable the volume (for Linux) */
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#define BIODASDENABLE _IO(DASD_IOCTL_LETTER,1)
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/* Get information on a dasd device (enhanced) */
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#define BIODASDINFO2 _IOR(DASD_IOCTL_LETTER, 3, dasd_information2_t)
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/* #define BIODASDFORMAT _IOW(IOCTL_LETTER,0,format_data_t) , deprecated */
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#define BIODASDFMT _IOW(DASD_IOCTL_LETTER,1,format_data_t)
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/* Check device format according to format_data_t */
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#define BIODASDCHECKFMT _IOWR(DASD_IOCTL_LETTER, 2, format_check_t)
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/****************************************************************************
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* SECTION: Further IOCTL Definitions (see fs.h and hdreq.h ) *
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****************************************************************************/
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/* re-read partition table */
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#define BLKRRPART _IO(0x12,95)
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/* get block device sector size */
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#define BLKSSZGET _IO(0x12,104)
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/* get read-only status (0 = read_write) */
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#define BLKROGET _IO(0x12,94)
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/* get device geometry */
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#define HDIO_GETGEO 0x0301
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/****************************************************************************
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* SECTION: DASDFMT internal types *
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****************************************************************************/
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