68f2aab138
- fixup losetup usage in tests - add support for implicit FBA DASD partitions (#707027) - add support for EAV DASD partitions (#707032)
1059 lines
31 KiB
Diff
1059 lines
31 KiB
Diff
Subject: [PATCH] libparted: add support for EAV DASD partitions
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From: Nageswara R Sastry <rnsastry@linux.vnet.ibm.com>
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Extended Address Volume (EAV) DASDs are ECKD DASDs with more than
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65520 cylinders. This patch adds support for recognizing and
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modifying partitions on EAV DASDs to Parted. The changes are
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based on the EAV support added to version 1.8.1 [1] of the
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s390-tools package.
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[1] http://www.ibm.com/developerworks/linux/linux390/s390-tools-1.8.1.html
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Signed-off-by: Nageswara R Sastry <rnsastry@linux.vnet.ibm.com>
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Signed-off-by: Peter Oberparleiter <oberpar@linux.vnet.ibm.com>
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---
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include/parted/fdasd.h | 89 ++++++++++++++++--
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include/parted/vtoc.h | 58 ++++++++++--
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libparted/labels/dasd.c | 1
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libparted/labels/fdasd.c | 226 ++++++++++++++++++++++++++++++++---------------
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libparted/labels/vtoc.c | 173 ++++++++++++++++++++++++++++++-----
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5 files changed, 435 insertions(+), 112 deletions(-)
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--- a/include/parted/fdasd.h
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+++ b/include/parted/fdasd.h
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@@ -74,6 +74,80 @@ typedef struct dasd_information_t {
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char configuration_data[256]; /* from read_configuration_data */
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} dasd_information_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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/*
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* struct format_data_t
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* represents all data necessary to format a dasd
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@@ -116,18 +190,6 @@ typedef struct format_data_t {
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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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-
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-/*****************************************************************************
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- * SECTION: Definition from hdreq.h *
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- *****************************************************************************/
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-
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-struct fdasd_hd_geometry {
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- unsigned char heads;
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- unsigned char sectors;
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- unsigned short cylinders;
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- unsigned long start;
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-};
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-
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/* get device geometry */
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#define HDIO_GETGEO 0x0301
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@@ -189,10 +251,13 @@ typedef struct fdasd_anchor {
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format4_label_t *f4;
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format5_label_t *f5;
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format7_label_t *f7;
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+ format9_label_t *f9; /* template for all f9 labels */
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partition_info_t *first;
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partition_info_t *last;
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volume_label_t *vlabel;
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config_data_t confdata[USABLE_PARTITIONS];
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+ u_int32_t hw_cylinders;
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+ u_int32_t formatted_cylinders;
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struct fdasd_hd_geometry geo;
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unsigned int label_block;
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unsigned int FBA_layout;
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--- a/include/parted/vtoc.h
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+++ b/include/parted/vtoc.h
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@@ -42,7 +42,18 @@
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#define VOLSER_LENGTH 6
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#define BIG_DISK_SIZE 0x10000
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+#define LV_COMPAT_CYL 0xFFFE
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+/*****************************************************************************
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+ * SECTION: Definition from hdreq.h *
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+ *****************************************************************************/
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+
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+struct fdasd_hd_geometry {
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+ unsigned char heads;
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+ unsigned char sectors;
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+ unsigned short cylinders;
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+ unsigned long start;
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+};
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typedef struct ttr ttr_t;
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typedef struct cchhb cchhb_t;
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@@ -59,6 +70,7 @@ typedef struct ds5ext ds5ext_t
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typedef struct format5_label format5_label_t;
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typedef struct ds7ext ds7ext_t;
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typedef struct format7_label format7_label_t;
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+typedef struct format9_label format9_label_t;
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struct __attribute__ ((packed)) ttr {
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u_int16_t tt;
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@@ -169,6 +181,10 @@ struct __attribute__ ((packed)) dev_cons
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u_int8_t DS4DEVDB; /* number of directory blocks per track */
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};
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+/*
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+ * format 1 and format 8 label have the same layout so we use the following
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+ * structure for both.
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+ */
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struct __attribute__ ((packed)) format1_label {
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char DS1DSNAM[44]; /* data set name */
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u_int8_t DS1FMTID; /* format identifier */
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@@ -229,7 +245,11 @@ struct __attribute__ ((packed)) format4_
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char res2[10]; /* reserved */
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u_int8_t DS4EFLVL; /* extended free-space management level */
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cchhb_t DS4EFPTR; /* pointer to extended free-space info */
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- char res3[9]; /* reserved */
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+ char res3; /* reserved */
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+ u_int32_t DS4DCYL; /* number of logical cyls */
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+ char res4[2]; /* reserved */
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+ u_int8_t DS4DEVF2; /* device flags */
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+ char res5; /* reserved */
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};
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struct __attribute__ ((packed)) ds5ext {
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@@ -261,12 +281,28 @@ struct __attribute__ ((packed)) format7_
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cchhb_t DS7PTRDS; /* pointer to next FMT7 DSCB */
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};
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+struct __attribute__ ((packed)) format9_label {
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+ u_int8_t DS9KEYID; /* key code for format 9 labels (0x09) */
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+ u_int8_t DS9SUBTY; /* subtype (0x01) */
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+ u_int8_t DS9NUMF9; /* number of F9 datasets */
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+ u_int8_t res1[41]; /* reserved */
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+ u_int8_t DS9FMTID; /* format identifier */
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+ u_int8_t res2[95]; /* reserved */
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+};
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+
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char *vtoc_ebcdic_enc (char const *source, char *target, int l);
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char *vtoc_ebcdic_dec (char const *source, char *target, int l);
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void vtoc_set_extent (extent_t *ext, u_int8_t typeind, u_int8_t seqno,
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cchh_t *lower, cchh_t *upper);
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-void vtoc_set_cchh (cchh_t *addr, u_int16_t cc, u_int16_t hh);
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-void vtoc_set_cchhb (cchhb_t *addr, u_int16_t cc, u_int16_t hh, u_int8_t b);
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+void vtoc_set_cchh (cchh_t *addr, u_int32_t cc, u_int16_t hh);
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+u_int32_t vtoc_get_cyl_from_cchh(cchh_t *addr);
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+u_int16_t vtoc_get_head_from_cchh(cchh_t *addr);
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+void vtoc_set_cchhb (cchhb_t *addr, u_int32_t cc, u_int16_t hh, u_int8_t b);
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+u_int32_t vtoc_get_cyl_from_cchhb(cchhb_t *addr);
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+u_int16_t vtoc_get_head_from_cchhb(cchhb_t *addr);
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+u_int64_t cchhb2blk(cchhb_t *p, struct fdasd_hd_geometry *geo);
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+u_int64_t cchh2blk (cchh_t *p, struct fdasd_hd_geometry *geo);
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+u_int32_t cchh2trk (cchh_t *p, struct fdasd_hd_geometry *geo);
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void vtoc_set_date (labeldate_t *d, u_int8_t year, u_int16_t day);
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void vtoc_volume_label_init (volume_label_t *vlabel);
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@@ -295,14 +331,16 @@ void vtoc_write_label (int fd, unsigned
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format1_label_t const *f1,
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format4_label_t const *f4,
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format5_label_t const *f5,
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- format7_label_t const *f7);
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+ format7_label_t const *f7,
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+ format9_label_t const *f9);
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void vtoc_init_format1_label (char *volid, unsigned int blksize,
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extent_t *part_extent, format1_label_t *f1);
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void vtoc_init_format4_label (format4_label_t *f4lbl,
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unsigned int usable_partitions,
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- unsigned int cylinders,
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+ unsigned int compat_cylinders,
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+ unsigned int real_cylinders,
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unsigned int tracks,
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unsigned int blocks,
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unsigned int blksize,
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@@ -329,8 +367,16 @@ void vtoc_update_format7_label_add (form
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void vtoc_update_format7_label_del (format7_label_t *f7, int verbose,
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u_int32_t a, u_int32_t b);
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+void vtoc_init_format8_label (char *volid, unsigned int blksize,
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+ extent_t *part_extent, format1_label_t *f1);
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+
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+void vtoc_update_format8_label (cchhb_t *associated_f9, format1_label_t *f8);
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+
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+void vtoc_init_format9_label (format9_label_t *f9);
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+
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void vtoc_set_freespace(format4_label_t *f4, format5_label_t *f5,
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format7_label_t *f7, char ch, int verbose,
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- u_int32_t start, u_int32_t stop, int cyl, int trk);
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+ u_int32_t start, u_int32_t stop, u_int32_t cyl,
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+ u_int32_t trk);
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#endif /* VTOC_H */
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--- a/libparted/labels/dasd.c
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+++ b/libparted/labels/dasd.c
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@@ -631,6 +631,7 @@ dasd_write (const PedDisk* disk)
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/* initialize the anchor */
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fdasd_initialize_anchor(&anchor);
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fdasd_get_geometry(disk->dev, &anchor, arch_specific->fd);
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+ fdasd_check_volume(&anchor, arch_specific->fd);
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memcpy(anchor.vlabel, &disk_specific->vlabel, sizeof(volume_label_t));
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anchor.vlabel_changed++;
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--- a/libparted/labels/fdasd.c
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+++ b/libparted/labels/fdasd.c
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@@ -59,6 +59,48 @@ setpos (fdasd_anchor_t *anc, int dsn, in
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anc->partno[dsn] = pos;
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}
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+static u_int32_t
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+get_usable_cylinders (fdasd_anchor_t *anc)
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+{
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+ u_int32_t cyl;
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+
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+ /* large volume */
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+ if (anc->f4->DS4DEVCT.DS4DSCYL == LV_COMPAT_CYL &&
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+ anc->f4->DS4DCYL > anc->f4->DS4DEVCT.DS4DSCYL)
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+ return anc->f4->DS4DCYL;
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+ /* normal volume */
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+ if (anc->f4->DS4DEVCT.DS4DEVFG & ALTERNATE_CYLINDERS_USED)
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+ cyl = anc->f4->DS4DEVCT.DS4DSCYL -
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+ (u_int16_t) anc->f4->DS4DEVAC;
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+ else
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+ cyl = anc->f4->DS4DEVCT.DS4DSCYL;
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+ return cyl;
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+}
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+
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+static void
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+get_addr_of_highest_f1_f8_label (fdasd_anchor_t *anc, cchhb_t *addr)
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+{
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+
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+ u_int8_t record;
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+ /* We have to count the follwing labels:
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+ * one format 4
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+ * one format 5
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+ * format 7 only if we have moren then BIG_DISK_SIZE tracks
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+ * one for each format 1 or format 8 label == one for each partition
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+ * one for each format 9 label before the last format 8
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+ * We assume that all partitions use format 8 labels when
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+ * anc->formatted_cylinders > LV_COMPAT_CYL
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+ * Note: Record zero is special, so block 0 on our disk is record 1!
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+ */
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+
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+ record = anc->used_partitions + 2;
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+ if (anc->big_disk)
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+ record++;
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+ if (anc->formatted_cylinders > LV_COMPAT_CYL)
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+ record += anc->used_partitions - 1;
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+ vtoc_set_cchhb(addr, VTOC_START_CC, VTOC_START_HH, record);
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+}
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+
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void
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fdasd_cleanup (fdasd_anchor_t *anchor)
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{
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@@ -72,6 +114,7 @@ fdasd_cleanup (fdasd_anchor_t *anchor)
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free(anchor->f4);
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free(anchor->f5);
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free(anchor->f7);
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+ free(anchor->f9);
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free(anchor->vlabel);
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p = anchor->first;
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@@ -82,6 +125,7 @@ fdasd_cleanup (fdasd_anchor_t *anchor)
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if (p == NULL)
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return;
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q = p->next;
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+ free(p->f1);
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free(p);
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p = q;
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}
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@@ -154,17 +198,6 @@ fdasd_error (fdasd_anchor_t *anc, enum f
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}
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/*
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- * converts cyl-cyl-head-head-blk to blk
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- */
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-static unsigned long
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-cchhb2blk (cchhb_t *p, struct fdasd_hd_geometry *geo)
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-{
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- PDEBUG
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- return (unsigned long) (p->cc * geo->heads * geo->sectors
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- + p->hh * geo->sectors + p->b);
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-}
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-
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-/*
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* initializes the anchor structure and allocates some
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* memory for the labels
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*/
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@@ -216,9 +249,16 @@ fdasd_initialize_anchor (fdasd_anchor_t
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if (anc->f7 == NULL)
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fdasd_error(anc, malloc_failed, "FMT7 DSCB.");
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+ /* template for all format 9 labels */
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+ anc->f9 = malloc(sizeof(format9_label_t));
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+ if (anc->f9 == NULL)
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+ fdasd_error(anc, malloc_failed, "FMT9 DSCB.");
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+
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bzero(anc->f4, sizeof(format4_label_t));
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bzero(anc->f5, sizeof(format5_label_t));
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bzero(anc->f7, sizeof(format7_label_t));
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+ bzero(anc->f9, sizeof(format9_label_t));
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+ vtoc_init_format9_label(anc->f9);
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v = malloc(sizeof(volume_label_t));
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if (v == NULL)
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@@ -259,6 +299,8 @@ fdasd_initialize_anchor (fdasd_anchor_t
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q = p;
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}
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+ anc->hw_cylinders = 0;
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+ anc->formatted_cylinders = 0;
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}
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/*
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@@ -269,44 +311,46 @@ fdasd_write_vtoc_labels (fdasd_anchor_t
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{
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PDEBUG
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partition_info_t *p;
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- unsigned long b;
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+ unsigned long b, maxblk;
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char dsno[6], s1[7], s2[45], *c1, *c2, *ch;
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int i = 0, k = 0;
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+ cchhb_t f9addr;
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+ format1_label_t emptyf1;
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b = (cchhb2blk (&anc->vlabel->vtoc, &anc->geo) - 1) * anc->blksize;
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if (b <= 0)
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fdasd_error (anc, vlabel_corrupted, "");
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+ maxblk = b + anc->blksize * 9; /* f4+f5+f7+3*f8+3*f9 */
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/* write FMT4 DSCB */
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- vtoc_write_label (fd, b, NULL, anc->f4, NULL, NULL);
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+ vtoc_write_label (fd, b, NULL, anc->f4, NULL, NULL, NULL);
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+ b += anc->blksize;
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/* write FMT5 DSCB */
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+ vtoc_write_label (fd, b, NULL, NULL, anc->f5, NULL, NULL);
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b += anc->blksize;
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- vtoc_write_label (fd, b, NULL, NULL, anc->f5, NULL);
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/* write FMT7 DSCB */
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if (anc->big_disk) {
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+ vtoc_write_label (fd, b, NULL, NULL, NULL, anc->f7, NULL);
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b += anc->blksize;
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- vtoc_write_label (fd, b, NULL, NULL, NULL, anc->f7);
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}
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- /* loop over all FMT1 DSCBs */
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- p = anc->first;
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- for (i = 0; i < USABLE_PARTITIONS; i++) {
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- b += anc->blksize;
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+ /* loop over all partitions (format 1 or format 8 DCB) */
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+ for (p = anc->first; p != NULL; p = p->next) {
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if (p->used != 0x01) {
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- vtoc_write_label (fd, b, p->f1, NULL, NULL, NULL);
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continue;
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}
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+ i++;
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strncpy (p->f1->DS1DSSN, anc->vlabel->volid, 6);
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ch = p->f1->DS1DSNAM;
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vtoc_ebcdic_dec (ch, ch, 44);
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c1 = ch + 7;
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|
|
- if (getdsn (anc, i) > -1) {
|
|
+ if (getdsn (anc, i-1) > -1) {
|
|
/* re-use the existing data set name */
|
|
c2 = strchr (c1, '.');
|
|
if (c2 != NULL)
|
|
@@ -325,11 +369,7 @@ fdasd_write_vtoc_labels (fdasd_anchor_t
|
|
while (getpos (anc, k) > -1)
|
|
k++;
|
|
|
|
- setpos (anc, k, i);
|
|
-
|
|
- strncpy (s2, ch, 44);
|
|
- s2[44] = 0;
|
|
- vtoc_ebcdic_dec (s2, s2, 44);
|
|
+ setpos (anc, k, i-1);
|
|
|
|
strncpy (ch, "LINUX.V " " ", 44);
|
|
|
|
@@ -366,8 +406,32 @@ fdasd_write_vtoc_labels (fdasd_anchor_t
|
|
|
|
vtoc_ebcdic_enc (ch, ch, 44);
|
|
|
|
- vtoc_write_label (fd, b, p->f1, NULL, NULL, NULL);
|
|
- p = p->next;
|
|
+ if (p->f1->DS1FMTID == 0xf8 ) {
|
|
+ /* Now as we know where which label will be written, we
|
|
+ * can add the address of the format 9 label to the
|
|
+ * format 8 label. The f9 record will be written to the
|
|
+ * block after the current blk. Remember: records are of
|
|
+ * by one, so we have to add 2 and not just one.
|
|
+ */
|
|
+ vtoc_set_cchhb(&f9addr, VTOC_START_CC, VTOC_START_HH,
|
|
+ ((b / anc->blksize) % anc->geo.sectors) + 2);
|
|
+ vtoc_update_format8_label(&f9addr, p->f1);
|
|
+ vtoc_write_label(fd, b, p->f1, NULL, NULL, NULL, NULL);
|
|
+ b += anc->blksize;
|
|
+ vtoc_write_label(fd, b, NULL, NULL, NULL, NULL,
|
|
+ anc->f9);
|
|
+ b += anc->blksize;
|
|
+ } else {
|
|
+ vtoc_write_label(fd, b, p->f1, NULL, NULL, NULL, NULL);
|
|
+ b += anc->blksize;
|
|
+ }
|
|
+ }
|
|
+
|
|
+ /* write empty labels to the rest of the blocks */
|
|
+ bzero(&emptyf1, sizeof(emptyf1));
|
|
+ while (b < maxblk) {
|
|
+ vtoc_write_label(fd, b, &emptyf1, NULL, NULL, NULL, NULL);
|
|
+ b += anc->blksize;
|
|
}
|
|
}
|
|
|
|
@@ -394,20 +458,25 @@ int
|
|
fdasd_prepare_labels (fdasd_anchor_t *anc, int fd)
|
|
{
|
|
PDEBUG
|
|
- partition_info_t *p = anc->first;
|
|
+ partition_info_t *p;
|
|
char dsno[6], s1[7], s2[45], *c1, *c2, *ch;
|
|
int i = 0, k = 0;
|
|
|
|
- /* loop over all FMT1 DSCBs */
|
|
- p = anc->first;
|
|
- for (i = 0; i < USABLE_PARTITIONS; i++) {
|
|
+ /* loop over all partitions (format 1 or format 8 DCB) */
|
|
+ for (p = anc->first; p != NULL; p = p->next) {
|
|
+
|
|
+ if (p->used != 0x01) {
|
|
+ continue;
|
|
+ }
|
|
+
|
|
+ i++;
|
|
strncpy (p->f1->DS1DSSN, anc->vlabel->volid, 6);
|
|
|
|
ch = p->f1->DS1DSNAM;
|
|
vtoc_ebcdic_dec (ch, ch, 44);
|
|
c1 = ch + 7;
|
|
|
|
- if (getdsn (anc, i) > -1) {
|
|
+ if (getdsn (anc, i-1) > -1) {
|
|
/* re-use the existing data set name */
|
|
c2 = strchr (c1, '.');
|
|
if (c2 != NULL)
|
|
@@ -426,11 +495,7 @@ fdasd_prepare_labels (fdasd_anchor_t *an
|
|
while (getpos (anc, k) > -1)
|
|
k++;
|
|
|
|
- setpos (anc, k, i);
|
|
-
|
|
- strncpy (s2, ch, 44);
|
|
- s2[44] = 0;
|
|
- vtoc_ebcdic_dec (s2, s2, 44);
|
|
+ setpos (anc, k, i-1);
|
|
|
|
strncpy (ch, "LINUX.V " " ", 44);
|
|
|
|
@@ -466,7 +531,6 @@ fdasd_prepare_labels (fdasd_anchor_t *an
|
|
}
|
|
|
|
vtoc_ebcdic_enc (ch, ch, 44);
|
|
- p = p->next;
|
|
}
|
|
|
|
return 1;
|
|
@@ -482,6 +546,7 @@ fdasd_recreate_vtoc (fdasd_anchor_t *anc
|
|
vtoc_init_format4_label(anc->f4,
|
|
USABLE_PARTITIONS,
|
|
anc->geo.cylinders,
|
|
+ anc->formatted_cylinders,
|
|
anc->geo.heads,
|
|
anc->geo.sectors,
|
|
anc->blksize,
|
|
@@ -492,8 +557,8 @@ fdasd_recreate_vtoc (fdasd_anchor_t *anc
|
|
vtoc_set_freespace(anc->f4, anc->f5, anc->f7,
|
|
'+', anc->verbose,
|
|
FIRST_USABLE_TRK,
|
|
- anc->geo.cylinders * anc->geo.heads - 1,
|
|
- anc->geo.cylinders, anc->geo.heads);
|
|
+ anc->formatted_cylinders * anc->geo.heads - 1,
|
|
+ anc->formatted_cylinders, anc->geo.heads);
|
|
|
|
for (i = 0; i < USABLE_PARTITIONS; i++) {
|
|
bzero(p->f1, sizeof(format1_label_t));
|
|
@@ -507,7 +572,8 @@ fdasd_recreate_vtoc (fdasd_anchor_t *anc
|
|
}
|
|
|
|
anc->used_partitions = 0;
|
|
- anc->fspace_trk = anc->geo.cylinders * anc->geo.heads - FIRST_USABLE_TRK;
|
|
+ anc->fspace_trk = anc->formatted_cylinders * anc->geo.heads -
|
|
+ FIRST_USABLE_TRK;
|
|
|
|
for (i=0; i<USABLE_PARTITIONS; i++)
|
|
setpos(anc, i, -1);
|
|
@@ -526,15 +592,15 @@ fdasd_update_partition_info (fdasd_ancho
|
|
{
|
|
PDEBUG
|
|
partition_info_t *q = NULL, *p = anc->first;
|
|
- unsigned int h = anc->geo.heads;
|
|
- unsigned long max = anc->geo.cylinders * h - 1;
|
|
+ unsigned long max = anc->formatted_cylinders * anc->geo.heads - 1;
|
|
int i;
|
|
char *ch;
|
|
|
|
anc->used_partitions = anc->geo.sectors - 2 - anc->f4->DS4DSREC;
|
|
|
|
for (i = 1; i <= USABLE_PARTITIONS; i++) {
|
|
- if (p->f1->DS1FMTID != 0xf1) {
|
|
+ if (p->f1->DS1FMTID != 0xf1 &&
|
|
+ p->f1->DS1FMTID != 0xf8) {
|
|
if (i == 1)
|
|
/* there is no partition at all */
|
|
anc->fspace_trk = max - FIRST_USABLE_TRK + 1;
|
|
@@ -546,8 +612,8 @@ fdasd_update_partition_info (fdasd_ancho
|
|
|
|
/* this is a valid format 1 label */
|
|
p->used = 0x01;
|
|
- p->start_trk = p->f1->DS1EXT1.llimit.cc * h + p->f1->DS1EXT1.llimit.hh;
|
|
- p->end_trk = p->f1->DS1EXT1.ulimit.cc * h + p->f1->DS1EXT1.ulimit.hh;
|
|
+ p->start_trk = cchh2trk(&p->f1->DS1EXT1.llimit, &anc->geo);
|
|
+ p->end_trk = cchh2trk(&p->f1->DS1EXT1.ulimit, &anc->geo);
|
|
p->len_trk = p->end_trk - p->start_trk + 1;
|
|
|
|
if (i == 1) {
|
|
@@ -618,14 +684,22 @@ fdasd_process_valid_vtoc (fdasd_anchor_t
|
|
format1_label_t q;
|
|
char s[5], *ch;
|
|
|
|
+ if (anc->f4->DS4DEVCT.DS4DSCYL == LV_COMPAT_CYL &&
|
|
+ anc->f4->DS4DCYL > anc->f4->DS4DEVCT.DS4DSCYL)
|
|
+ anc->formatted_cylinders = anc->f4->DS4DCYL;
|
|
+ else
|
|
+ anc->formatted_cylinders = anc->f4->DS4DEVCT.DS4DSCYL;
|
|
+ anc->fspace_trk = anc->formatted_cylinders * anc->geo.heads -
|
|
+ FIRST_USABLE_TRK;
|
|
b += anc->blksize;
|
|
|
|
- for (i = 1; i <= anc->geo.sectors; i++) {
|
|
+ for (i = 1; i < anc->geo.sectors; i++) {
|
|
bzero (&q, f1size);
|
|
vtoc_read_label (fd, b, &q, NULL, NULL, NULL);
|
|
|
|
switch (q.DS1FMTID) {
|
|
case 0xf1:
|
|
+ case 0xf8:
|
|
if (p == NULL)
|
|
break;
|
|
memcpy (p->f1, &q, f1size);
|
|
@@ -669,6 +743,12 @@ fdasd_process_valid_vtoc (fdasd_anchor_t
|
|
memcpy (anc->f7, &q, f1size);
|
|
f7_counter++;
|
|
break;
|
|
+ case 0xf9:
|
|
+ /* each format 8 lable has an associated
|
|
+ * format 9 lable, but they are of no further
|
|
+ * use to us.
|
|
+ */
|
|
+ break;
|
|
}
|
|
|
|
b += anc->blksize;
|
|
@@ -718,7 +798,7 @@ fdasd_check_volume (fdasd_anchor_t *anc,
|
|
{
|
|
PDEBUG
|
|
volume_label_t *v = anc->vlabel;
|
|
- unsigned long b = -1;
|
|
+ long long b = -1;
|
|
char str[LINE_LENGTH];
|
|
|
|
memset(v, 0, sizeof(volume_label_t));
|
|
@@ -784,6 +864,7 @@ fdasd_get_geometry (const PedDevice *dev
|
|
PDEBUG
|
|
int blksize = 0;
|
|
dasd_information_t dasd_info;
|
|
+ struct dasd_eckd_characteristics *characteristics;
|
|
|
|
/* We can't get geometry from a regular file,
|
|
so simulate something usable, for the sake of testing. */
|
|
@@ -803,6 +884,8 @@ fdasd_get_geometry (const PedDevice *dev
|
|
dasd_info.devno = 513;
|
|
dasd_info.label_block = 2;
|
|
dasd_info.FBA_layout = 0;
|
|
+ anc->hw_cylinders = ((st.st_size / blksize) / anc->geo.sectors) /
|
|
+ anc->geo.heads;
|
|
} else {
|
|
if (ioctl(f, HDIO_GETGEO, &anc->geo) != 0)
|
|
fdasd_error(anc, unable_to_ioctl,
|
|
@@ -816,13 +899,20 @@ fdasd_get_geometry (const PedDevice *dev
|
|
if (ioctl(f, BIODASDINFO, &dasd_info) != 0)
|
|
fdasd_error(anc, unable_to_ioctl,
|
|
_("Could not retrieve disk information."));
|
|
+
|
|
+ characteristics = (struct dasd_eckd_characteristics *)
|
|
+ &dasd_info.characteristics;
|
|
+ if (characteristics->no_cyl == LV_COMPAT_CYL &&
|
|
+ characteristics->long_no_cyl)
|
|
+ anc->hw_cylinders = characteristics->long_no_cyl;
|
|
+ else
|
|
+ anc->hw_cylinders = characteristics->no_cyl;
|
|
}
|
|
|
|
anc->dev_type = dasd_info.dev_type;
|
|
anc->blksize = blksize;
|
|
anc->label_pos = dasd_info.label_block * blksize;
|
|
anc->devno = dasd_info.devno;
|
|
- anc->fspace_trk = anc->geo.cylinders * anc->geo.heads - FIRST_USABLE_TRK;
|
|
anc->label_block = dasd_info.label_block;
|
|
anc->FBA_layout = dasd_info.FBA_layout;
|
|
}
|
|
@@ -850,20 +940,17 @@ fdasd_get_partition_data (fdasd_anchor_t
|
|
unsigned int *stop_ptr)
|
|
{
|
|
PDEBUG
|
|
- unsigned int limit, cc, hh;
|
|
+ unsigned int limit;
|
|
+ u_int32_t cc, c;
|
|
+ u_int16_t hh, h;
|
|
cchh_t llimit, ulimit;
|
|
partition_info_t *q;
|
|
u_int8_t b1, b2;
|
|
- u_int16_t c, h;
|
|
unsigned int start = *start_ptr, stop = *stop_ptr;
|
|
int i;
|
|
char *ch;
|
|
|
|
- if (anc->f4->DS4DEVCT.DS4DEVFG & ALTERNATE_CYLINDERS_USED)
|
|
- c = anc->f4->DS4DEVCT.DS4DSCYL - (u_int16_t) anc->f4->DS4DEVAC;
|
|
- else
|
|
- c = anc->f4->DS4DEVCT.DS4DSCYL;
|
|
-
|
|
+ c = get_usable_cylinders(anc);
|
|
h = anc->f4->DS4DEVCT.DS4DSTRK;
|
|
limit = (h * c - 1);
|
|
|
|
@@ -1019,7 +1106,6 @@ fdasd_add_partition (fdasd_anchor_t *anc
|
|
cchhb_t hf1;
|
|
partition_info_t *p;
|
|
extent_t ext;
|
|
- int i;
|
|
|
|
PDEBUG;
|
|
|
|
@@ -1032,8 +1118,14 @@ fdasd_add_partition (fdasd_anchor_t *anc
|
|
if (fdasd_get_partition_data(anc, &ext, p, &start, &stop) != 0)
|
|
return 0;
|
|
|
|
- PDEBUG;
|
|
- vtoc_init_format1_label(anc->vlabel->volid, anc->blksize, &ext, p->f1);
|
|
+ if (anc->formatted_cylinders > LV_COMPAT_CYL) {
|
|
+ vtoc_init_format8_label(anc->vlabel->volid, anc->blksize, &ext,
|
|
+ p->f1);
|
|
+ } else {
|
|
+ PDEBUG;
|
|
+ vtoc_init_format1_label(anc->vlabel->volid, anc->blksize, &ext,
|
|
+ p->f1);
|
|
+ }
|
|
|
|
PDEBUG;
|
|
fdasd_enqueue_new_partition(anc);
|
|
@@ -1041,23 +1133,17 @@ fdasd_add_partition (fdasd_anchor_t *anc
|
|
PDEBUG;
|
|
anc->used_partitions += 1;
|
|
|
|
- i = anc->used_partitions + 2;
|
|
- if (anc->big_disk)
|
|
- i++;
|
|
- PDEBUG;
|
|
-
|
|
- vtoc_set_cchhb(&hf1, VTOC_START_CC, VTOC_START_HH, i);
|
|
-
|
|
+ get_addr_of_highest_f1_f8_label(anc, &hf1);
|
|
vtoc_update_format4_label(anc->f4, &hf1, anc->f4->DS4DSREC - 1);
|
|
|
|
PDEBUG;
|
|
|
|
- start = ext.llimit.cc * anc->geo.heads + ext.llimit.hh;
|
|
- stop = ext.ulimit.cc * anc->geo.heads + ext.ulimit.hh;
|
|
+ start = cchh2trk(&ext.llimit, &anc->geo);
|
|
+ stop = cchh2trk(&ext.ulimit, &anc->geo);
|
|
|
|
PDEBUG;
|
|
vtoc_set_freespace(anc->f4, anc->f5, anc->f7, '-', anc->verbose,
|
|
- start, stop, anc->geo.cylinders, anc->geo.heads);
|
|
+ start, stop, anc->formatted_cylinders, anc->geo.heads);
|
|
|
|
anc->vtoc_changed++;
|
|
|
|
--- a/libparted/labels/vtoc.c
|
|
+++ b/libparted/labels/vtoc.c
|
|
@@ -218,11 +218,32 @@ vtoc_set_extent (extent_t *ext, u_int8_t
|
|
}
|
|
|
|
void
|
|
-vtoc_set_cchh (cchh_t *addr, u_int16_t cc, u_int16_t hh)
|
|
+vtoc_set_cchh (cchh_t *addr, u_int32_t cc, u_int16_t hh)
|
|
{
|
|
PDEBUG
|
|
- addr->cc = cc;
|
|
- addr->hh = hh;
|
|
+ addr->cc = (u_int16_t) cc;
|
|
+ addr->hh = cc >> 16;
|
|
+ addr->hh <<= 4;
|
|
+ addr->hh |= hh;
|
|
+}
|
|
+
|
|
+u_int32_t
|
|
+vtoc_get_cyl_from_cchh (cchh_t *addr)
|
|
+{
|
|
+ u_int32_t cyl;
|
|
+
|
|
+ /*decode cylinder for large volumes */
|
|
+ cyl = addr->hh & 0xFFF0;
|
|
+ cyl <<= 12;
|
|
+ cyl |= addr->cc;
|
|
+ return cyl;
|
|
+}
|
|
+
|
|
+u_int16_t
|
|
+vtoc_get_head_from_cchh (cchh_t *addr)
|
|
+{
|
|
+ /* decode heads for large volumes */
|
|
+ return addr->hh & 0x000F;
|
|
}
|
|
|
|
static void
|
|
@@ -234,12 +255,63 @@ vtoc_set_ttr (ttr_t *addr, u_int16_t tt,
|
|
}
|
|
|
|
void
|
|
-vtoc_set_cchhb (cchhb_t *addr, u_int16_t cc, u_int16_t hh, u_int8_t b)
|
|
+vtoc_set_cchhb (cchhb_t *addr, u_int32_t cc, u_int16_t hh, u_int8_t b)
|
|
{
|
|
PDEBUG
|
|
- addr->cc = cc;
|
|
- addr->hh = hh;
|
|
- addr->b = b;
|
|
+ addr->cc = (u_int16_t) cc;
|
|
+ addr->hh = cc >> 16;
|
|
+ addr->hh <<= 4;
|
|
+ addr->hh |= hh;
|
|
+ addr->b = b;
|
|
+}
|
|
+
|
|
+u_int32_t
|
|
+vtoc_get_cyl_from_cchhb(cchhb_t *addr)
|
|
+{
|
|
+ u_int32_t cyl;
|
|
+
|
|
+ /* decode cylinder for large volumes */
|
|
+ cyl = addr->hh & 0xFFF0;
|
|
+ cyl <<= 12;
|
|
+ cyl |= addr->cc;
|
|
+ return cyl;
|
|
+}
|
|
+
|
|
+u_int16_t
|
|
+vtoc_get_head_from_cchhb(cchhb_t *addr)
|
|
+{
|
|
+ /* decode heads for large volumes */
|
|
+ return addr->hh & 0x000F;
|
|
+}
|
|
+
|
|
+/*
|
|
+ * some functions to convert cyl-cyl-head-head addresses to
|
|
+ * block or track numbers
|
|
+ * Note: Record zero is special, so first block on a track is
|
|
+ * in record 1!
|
|
+ */
|
|
+u_int64_t
|
|
+cchhb2blk (cchhb_t *p, struct fdasd_hd_geometry *geo)
|
|
+{
|
|
+ return (u_int64_t) vtoc_get_cyl_from_cchhb(p) *
|
|
+ geo->heads * geo->sectors +
|
|
+ vtoc_get_head_from_cchhb(p) * geo->sectors +
|
|
+ p->b;
|
|
+}
|
|
+
|
|
+u_int64_t
|
|
+cchh2blk (cchh_t *p, struct fdasd_hd_geometry *geo)
|
|
+{
|
|
+ return (u_int64_t) vtoc_get_cyl_from_cchh(p) *
|
|
+ geo->heads * geo->sectors +
|
|
+ vtoc_get_head_from_cchh(p) * geo->sectors;
|
|
+}
|
|
+
|
|
+u_int32_t
|
|
+cchh2trk (cchh_t *p, struct fdasd_hd_geometry *geo)
|
|
+{
|
|
+ return vtoc_get_cyl_from_cchh(p) * geo->heads +
|
|
+ vtoc_get_head_from_cchh(p);
|
|
}
|
|
|
|
void
|
|
@@ -506,7 +578,8 @@ vtoc_write_label (int f, unsigned long p
|
|
format1_label_t const *f1,
|
|
format4_label_t const *f4,
|
|
format5_label_t const *f5,
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- format7_label_t const *f7)
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+ format7_label_t const *f7,
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+ format9_label_t const *f9)
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{
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PDEBUG
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int t;
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@@ -542,6 +615,17 @@ vtoc_write_label (int f, unsigned long p
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vtoc_error(unable_to_write, "vtoc_write_label",
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_("Could not write VTOC FMT7 DSCB."));
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}
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+
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+ if (f9 != NULL)
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+ {
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+ t = sizeof(format9_label_t);
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+ if (write(f, f9, t) != t)
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+ {
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+ close(f);
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+ vtoc_error(unable_to_write, "vtoc_write_label",
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+ _("Could not write VTOC FMT9 DSCB."));
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+ }
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+ }
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}
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|
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/*
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@@ -549,7 +633,8 @@ vtoc_write_label (int f, unsigned long p
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*/
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void
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vtoc_init_format4_label (format4_label_t *f4, unsigned int usable_partitions,
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- unsigned int cylinders, unsigned int tracks,
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+ unsigned int compat_cylinders,
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+ unsigned int real_cylinders, unsigned int tracks,
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unsigned int blocks, unsigned int blksize,
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u_int16_t dev_type)
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{
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@@ -574,7 +659,7 @@ vtoc_init_format4_label (format4_label_t
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f4->DS4DEVAC = 0x00;
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|
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/* -- begin f4->DS4DEVCT -- */
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- f4->DS4DEVCT.DS4DSCYL = cylinders;
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+ f4->DS4DEVCT.DS4DSCYL = compat_cylinders;
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f4->DS4DEVCT.DS4DSTRK = tracks;
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|
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switch (dev_type) {
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@@ -613,7 +698,11 @@ vtoc_init_format4_label (format4_label_t
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|
bzero(f4->res2, sizeof(f4->res2));
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|
f4->DS4EFLVL = 0x00;
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bzero(&f4->DS4EFPTR, sizeof(f4->DS4EFPTR));
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- bzero(f4->res3, sizeof(f4->res3));
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|
+ bzero(&f4->res3, sizeof(f4->res3));
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+ f4->DS4DCYL = real_cylinders;
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+ bzero(f4->res4, sizeof(f4->res4));
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+ f4->DS4DEVF2 = 0x40; /* allow format 8 and 9 labels */
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|
+ bzero(&f4->res5, sizeof(f4->res5));
|
|
}
|
|
|
|
/*
|
|
@@ -647,11 +736,12 @@ vtoc_init_format7_label (format7_label_t
|
|
}
|
|
|
|
/*
|
|
- * initializes a format1 label
|
|
+ * helper function that initializes a most parts of a
|
|
+ * format1 or format 8 label, all but the field DS1FMTID
|
|
*/
|
|
void
|
|
-vtoc_init_format1_label (char *volid, unsigned int blksize,
|
|
- extent_t *part_extent, format1_label_t *f1)
|
|
+vtoc_init_format_1_8_label (char *volid, unsigned int blksize,
|
|
+ extent_t *part_extent, format1_label_t *f1)
|
|
{
|
|
PDEBUG
|
|
struct tm * creatime;
|
|
@@ -666,7 +756,6 @@ vtoc_init_format1_label (char *volid, un
|
|
sprintf(str, "PART .NEW ");
|
|
vtoc_ebcdic_enc(str, str, 44);
|
|
strncpy(f1->DS1DSNAM, str, 44);
|
|
- f1->DS1FMTID = 0xf1;
|
|
strncpy(f1->DS1DSSN, " ", 6);
|
|
f1->DS1VOLSQ = 0x0001;
|
|
|
|
@@ -704,6 +793,37 @@ vtoc_init_format1_label (char *volid, un
|
|
vtoc_set_cchhb(&f1->DS1PTRDS, 0x0000, 0x0000, 0x00);
|
|
}
|
|
|
|
+void
|
|
+vtoc_init_format1_label (char *volid, unsigned int blksize,
|
|
+ extent_t *part_extent, format1_label_t *f1)
|
|
+{
|
|
+ vtoc_init_format_1_8_label(volid, blksize, part_extent, f1);
|
|
+ f1->DS1FMTID = 0xf1;
|
|
+}
|
|
+
|
|
+void
|
|
+vtoc_init_format8_label (char *volid, unsigned int blksize,
|
|
+ extent_t *part_extent, format1_label_t *f8)
|
|
+{
|
|
+ vtoc_init_format_1_8_label(volid, blksize, part_extent, f8);
|
|
+ f8->DS1FMTID = 0xf8;
|
|
+}
|
|
+
|
|
+void
|
|
+vtoc_update_format8_label (cchhb_t *associated_f9, format1_label_t *f8)
|
|
+{
|
|
+ memcpy(&f8->DS1PTRDS, associated_f9, sizeof(*associated_f9));
|
|
+}
|
|
+
|
|
+void
|
|
+vtoc_init_format9_label (format9_label_t *f9)
|
|
+{
|
|
+ f9->DS9KEYID = 0x09;
|
|
+ f9->DS9SUBTY = 0x01;
|
|
+ f9->DS9NUMF9 = 1;
|
|
+ f9->DS9FMTID = 0xf9;
|
|
+}
|
|
+
|
|
/*
|
|
* do some updates to the VTOC format4 label
|
|
*/
|
|
@@ -1060,7 +1180,7 @@ vtoc_update_format7_label_add (format7_l
|
|
if ((ext->a + ext->b) == 0x00000000)
|
|
continue;
|
|
|
|
- if ((ext->b + 1) == tmp->a) {
|
|
+ if (ext->b == tmp->a) {
|
|
/* this extent precedes the new one */
|
|
ext->b = tmp->b;
|
|
bzero(tmp, sizeof(ds7ext_t));
|
|
@@ -1074,7 +1194,7 @@ vtoc_update_format7_label_add (format7_l
|
|
continue;
|
|
}
|
|
|
|
- if (ext->a == (tmp->b + 1)) {
|
|
+ if (ext->a == tmp->b) {
|
|
/* this extent succeeds the new one */
|
|
ext->a = tmp->a;
|
|
bzero(tmp, sizeof(ds7ext_t));
|
|
@@ -1119,7 +1239,7 @@ vtoc_update_format7_label_del (format7_l
|
|
|
|
if ((a == ext->a) && (b < ext->b)) {
|
|
/* left-bounded in free space gap */
|
|
- ext->a = b + 1;
|
|
+ ext->a = b;
|
|
|
|
if (verbose)
|
|
puts ("FMT7 add extent: left-bounded");
|
|
@@ -1130,7 +1250,7 @@ vtoc_update_format7_label_del (format7_l
|
|
|
|
if ((a > ext->a) && (b == ext->b)) {
|
|
/* right-bounded in free space gap */
|
|
- ext->b = a - 1;
|
|
+ ext->b = a;
|
|
|
|
if (verbose)
|
|
puts ("FMT7 add extent: right-bounded");
|
|
@@ -1141,8 +1261,8 @@ vtoc_update_format7_label_del (format7_l
|
|
|
|
if ((a > ext->a) && (b < ext->b)) {
|
|
/* partition devides free space into 2 pieces */
|
|
- vtoc_update_format7_label_add(f7, verbose, b+1, ext->b);
|
|
- ext->b = a - 1;
|
|
+ vtoc_update_format7_label_add(f7, verbose, b, ext->b);
|
|
+ ext->b = a;
|
|
|
|
if (verbose)
|
|
puts ("FMT7 add extent: 2 pieces");
|
|
@@ -1172,14 +1292,19 @@ vtoc_update_format7_label_del (format7_l
|
|
void
|
|
vtoc_set_freespace(format4_label_t *f4, format5_label_t *f5,
|
|
format7_label_t *f7, char ch, int verbose,
|
|
- u_int32_t start, u_int32_t stop, int cyl, int trk)
|
|
+ u_int32_t start, u_int32_t stop, u_int32_t cyl,
|
|
+ u_int32_t trk)
|
|
{
|
|
PDEBUG
|
|
if ((cyl * trk) > BIG_DISK_SIZE) {
|
|
if (ch == '+')
|
|
- vtoc_update_format7_label_add(f7, verbose, start, stop);
|
|
+ vtoc_update_format7_label_add(f7, verbose, start,
|
|
+ /* ds7ext RTA + 1 */
|
|
+ stop + 1);
|
|
else if (ch == '-')
|
|
- vtoc_update_format7_label_del(f7, verbose, start, stop);
|
|
+ vtoc_update_format7_label_del(f7, verbose, start,
|
|
+ /* ds7ext RTA + 1 */
|
|
+ stop + 1);
|
|
else
|
|
puts ("BUG: syntax error in vtoc_set_freespace call");
|
|
|