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Diffstat (limited to 'drivers/s390/block/dasd_eckd.h')
-rw-r--r--drivers/s390/block/dasd_eckd.h186
1 files changed, 61 insertions, 125 deletions
diff --git a/drivers/s390/block/dasd_eckd.h b/drivers/s390/block/dasd_eckd.h
index fc2509c939bc..2476f87d21d0 100644
--- a/drivers/s390/block/dasd_eckd.h
+++ b/drivers/s390/block/dasd_eckd.h
@@ -231,133 +231,62 @@ struct dasd_eckd_characteristics {
__u8 reserved3[10];
} __attribute__ ((packed));
-struct dasd_eckd_confdata {
+/* elements of the configuration data */
+struct dasd_ned {
struct {
- struct {
- unsigned char identifier:2;
- unsigned char token_id:1;
- unsigned char sno_valid:1;
- unsigned char subst_sno:1;
- unsigned char recNED:1;
- unsigned char emuNED:1;
- unsigned char reserved:1;
- } __attribute__ ((packed)) flags;
- __u8 descriptor;
- __u8 dev_class;
- __u8 reserved;
- unsigned char dev_type[6];
- unsigned char dev_model[3];
- unsigned char HDA_manufacturer[3];
- unsigned char HDA_location[2];
- unsigned char HDA_seqno[12];
- __u8 ID;
- __u8 unit_addr;
- } __attribute__ ((packed)) ned1;
- union {
- struct {
- struct {
- unsigned char identifier:2;
- unsigned char token_id:1;
- unsigned char sno_valid:1;
- unsigned char subst_sno:1;
- unsigned char recNED:1;
- unsigned char emuNED:1;
- unsigned char reserved:1;
- } __attribute__ ((packed)) flags;
- __u8 descriptor;
- __u8 reserved[2];
- unsigned char dev_type[6];
- unsigned char dev_model[3];
- unsigned char DASD_manufacturer[3];
- unsigned char DASD_location[2];
- unsigned char DASD_seqno[12];
- __u16 ID;
- } __attribute__ ((packed)) ned;
- struct {
- unsigned char flags; /* byte 0 */
- unsigned char res1; /* byte 1 */
- __u16 format; /* byte 2-3 */
- unsigned char res2[4]; /* byte 4-7 */
- unsigned char sua_flags; /* byte 8 */
- __u8 base_unit_addr; /* byte 9 */
- unsigned char res3[22]; /* byte 10-31 */
- } __attribute__ ((packed)) sneq;
- } __attribute__ ((packed)) ned2;
+ __u8 identifier:2;
+ __u8 token_id:1;
+ __u8 sno_valid:1;
+ __u8 subst_sno:1;
+ __u8 recNED:1;
+ __u8 emuNED:1;
+ __u8 reserved:1;
+ } __attribute__ ((packed)) flags;
+ __u8 descriptor;
+ __u8 dev_class;
+ __u8 reserved;
+ __u8 dev_type[6];
+ __u8 dev_model[3];
+ __u8 HDA_manufacturer[3];
+ __u8 HDA_location[2];
+ __u8 HDA_seqno[12];
+ __u8 ID;
+ __u8 unit_addr;
+} __attribute__ ((packed));
+
+struct dasd_sneq {
struct {
- struct {
- unsigned char identifier:2;
- unsigned char token_id:1;
- unsigned char sno_valid:1;
- unsigned char subst_sno:1;
- unsigned char recNED:1;
- unsigned char emuNED:1;
- unsigned char reserved:1;
- } __attribute__ ((packed)) flags;
- __u8 descriptor;
- __u8 reserved[2];
- unsigned char cont_type[6];
- unsigned char cont_model[3];
- unsigned char cont_manufacturer[3];
- unsigned char cont_location[2];
- unsigned char cont_seqno[12];
- __u16 ID;
- } __attribute__ ((packed)) ned3;
+ __u8 identifier:2;
+ __u8 reserved:6;
+ } __attribute__ ((packed)) flags;
+ __u8 res1;
+ __u16 format;
+ __u8 res2[4]; /* byte 4- 7 */
+ __u8 sua_flags; /* byte 8 */
+ __u8 base_unit_addr; /* byte 9 */
+ __u8 res3[22]; /* byte 10-31 */
+} __attribute__ ((packed));
+
+struct vd_sneq {
struct {
- struct {
- unsigned char identifier:2;
- unsigned char token_id:1;
- unsigned char sno_valid:1;
- unsigned char subst_sno:1;
- unsigned char recNED:1;
- unsigned char emuNED:1;
- unsigned char reserved:1;
- } __attribute__ ((packed)) flags;
- __u8 descriptor;
- __u8 reserved[2];
- unsigned char cont_type[6];
- unsigned char empty[3];
- unsigned char cont_manufacturer[3];
- unsigned char cont_location[2];
- unsigned char cont_seqno[12];
- __u16 ID;
- } __attribute__ ((packed)) ned4;
- unsigned char ned5[32];
- unsigned char ned6[32];
- unsigned char ned7[32];
+ __u8 identifier:2;
+ __u8 reserved:6;
+ } __attribute__ ((packed)) flags;
+ __u8 res1;
+ __u16 format;
+ __u8 res2[4]; /* byte 4- 7 */
+ __u8 uit[16]; /* byte 8-23 */
+ __u8 res3[8]; /* byte 24-31 */
+} __attribute__ ((packed));
+
+struct dasd_gneq {
struct {
- struct {
- unsigned char identifier:2;
- unsigned char reserved:6;
- } __attribute__ ((packed)) flags;
- __u8 selector;
- __u16 interfaceID;
- __u32 reserved;
- __u16 subsystemID;
- struct {
- unsigned char sp0:1;
- unsigned char sp1:1;
- unsigned char reserved:5;
- unsigned char scluster:1;
- } __attribute__ ((packed)) spathID;
- __u8 unit_address;
- __u8 dev_ID;
- __u8 dev_address;
- __u8 adapterID;
- __u16 link_address;
- struct {
- unsigned char parallel:1;
- unsigned char escon:1;
- unsigned char reserved:1;
- unsigned char ficon:1;
- unsigned char reserved2:4;
- } __attribute__ ((packed)) protocol_type;
- struct {
- unsigned char PID_in_236:1;
- unsigned char reserved:7;
- } __attribute__ ((packed)) format_flags;
- __u8 log_dev_address;
- unsigned char reserved2[12];
- } __attribute__ ((packed)) neq;
+ __u8 identifier:2;
+ __u8 reserved:6;
+ } __attribute__ ((packed)) flags;
+ __u8 reserved[7];
+ __u16 subsystemID;
+ __u8 reserved2[22];
} __attribute__ ((packed));
struct dasd_eckd_path {
@@ -379,7 +308,7 @@ struct dasd_psf_prssd_data {
unsigned char flags;
unsigned char reserved[4];
unsigned char suborder;
- unsigned char varies[9];
+ unsigned char varies[5];
} __attribute__ ((packed));
/*
@@ -463,7 +392,14 @@ struct alias_pav_group {
struct dasd_eckd_private {
struct dasd_eckd_characteristics rdc_data;
- struct dasd_eckd_confdata conf_data;
+ u8 *conf_data;
+ int conf_len;
+ /* pointers to specific parts in the conf_data */
+ struct dasd_ned *ned;
+ struct dasd_sneq *sneq;
+ struct vd_sneq *vdsneq;
+ struct dasd_gneq *gneq;
+
struct dasd_eckd_path path_data;
struct eckd_count count_area[5];
int init_cqr_status;
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-29 01:21:48 +0100