add dts config

hc

2023-12-06 08f87f769b595151be1afeff53e144f543faa614

 kernel/arch/s390/include/uapi/asm/dasd.h
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@@ -1,5 +1,5 @@
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 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
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-/* 
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+/*
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  * Author(s)......: Holger Smolinski <Holger.Smolinski@de.ibm.com>
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  * Bugreports.to..: <Linux390@de.ibm.com>
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  * Copyright IBM Corp. 1999, 2000
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@@ -21,40 +21,40 @@
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 #define DASD_API_VERSION 6
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-/* 
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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 foramt and featueres.
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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, '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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+	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, '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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 /*
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@@ -92,34 +92,34 @@
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 #define DASD_PARTN_BITS 2
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-/* 
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+/*
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  * struct dasd_information_t
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  * represents any data about the data, which is visible to userspace
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  */
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 typedef struct dasd_information_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, '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 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, '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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 } dasd_information_t;
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 /*
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  * Read Subsystem Data - Performance Statistics
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- */ 
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+ */
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 typedef struct dasd_rssd_perf_stats_t {
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 	unsigned char  invalid:1;
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 	unsigned char  format:3;
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@@ -154,21 +154,21 @@
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 	unsigned char  reseved2[96];
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 } __attribute__((packed)) dasd_rssd_perf_stats_t;
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-/* 
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+/*
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  * struct profile_info_t
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- * holds the profinling information 
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+ * holds the profinling information
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  */
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 typedef struct dasd_profile_info_t {
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-        unsigned int dasd_io_reqs;	 /* number of requests processed at all */
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-        unsigned int dasd_io_sects;	 /* number of sectors processed at all */
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-        unsigned int dasd_io_secs[32];	 /* histogram of request's sizes */
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-        unsigned int dasd_io_times[32];	 /* histogram of requests's times */
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-        unsigned int dasd_io_timps[32];	 /* histogram of requests's times per sector */
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-        unsigned int dasd_io_time1[32];	 /* histogram of time from build to start */
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-        unsigned int dasd_io_time2[32];	 /* histogram of time from start to irq */
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-        unsigned int dasd_io_time2ps[32]; /* histogram of time from start to irq */
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-        unsigned int dasd_io_time3[32];	 /* histogram of time from irq to end */
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-        unsigned int dasd_io_nr_req[32]; /* histogram of # of requests in chanq */
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+	unsigned int dasd_io_reqs;	 /* number of requests processed at all */
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+	unsigned int dasd_io_sects;	 /* number of sectors processed at all */
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+	unsigned int dasd_io_secs[32];	 /* histogram of request's sizes */
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+	unsigned int dasd_io_times[32];	 /* histogram of requests's times */
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+	unsigned int dasd_io_timps[32];	 /* histogram of requests's times per sector */
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+	unsigned int dasd_io_time1[32];	 /* histogram of time from build to start */
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+	unsigned int dasd_io_time2[32];	 /* histogram of time from start to irq */
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+	unsigned int dasd_io_time2ps[32]; /* histogram of time from start to irq */
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+	unsigned int dasd_io_time3[32];	 /* histogram of time from irq to end */
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+	unsigned int dasd_io_nr_req[32]; /* histogram of # of requests in chanq */
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 } dasd_profile_info_t;
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 /*
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@@ -189,10 +189,12 @@
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  * 3/11: also write home address
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  * 4/12: invalidate track
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  */
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-#define DASD_FMT_INT_FMT_R0 1 /* write record zero */
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-#define DASD_FMT_INT_FMT_HA 2 /* write home address, also set FMT_R0 ! */
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-#define DASD_FMT_INT_INVAL  4 /* invalidate tracks */
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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_R0	1	/* write record zero */
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+#define DASD_FMT_INT_FMT_HA	2	/* write home address, also set FMT_R0 ! */
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+#define DASD_FMT_INT_INVAL	4	/* invalidate tracks */
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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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+#define DASD_FMT_INT_ESE_FULL	32	/* release space for entire volume */
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 /*
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  * struct format_check_t
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@@ -225,7 +227,7 @@
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 /* If key-length was != 0 */
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 #define DASD_FMT_ERR_KEY_LENGTH		5
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-/* 
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+/*
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  * struct attrib_data_t
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  * represents the operation (cache) bits for the device.
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  * Used in DE to influence caching of the DASD.
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@@ -281,13 +283,13 @@
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  * Here ist how the ioctl-nr should be used:
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  *    0 -   31   DASD driver itself
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  *   32 -  239   still open
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- *  240 -  255   reserved for EMC 
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+ *  240 -  255	 reserved for EMC
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  *******************************************************************************/
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 /* Disable the volume (for Linux) */
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-#define BIODASDDISABLE _IO(DASD_IOCTL_LETTER,0) 
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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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+#define BIODASDENABLE  _IO(DASD_IOCTL_LETTER,1)
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 /* Issue a reserve/release command, rsp. */
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 #define BIODASDRSRV    _IO(DASD_IOCTL_LETTER,2) /* reserve */
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 #define BIODASDRLSE    _IO(DASD_IOCTL_LETTER,3) /* release */
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@@ -295,9 +297,9 @@
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 /* reset profiling information of a device */
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 #define BIODASDPRRST   _IO(DASD_IOCTL_LETTER,5)
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 /* Quiesce IO on device */
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-#define BIODASDQUIESCE _IO(DASD_IOCTL_LETTER,6) 
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+#define BIODASDQUIESCE _IO(DASD_IOCTL_LETTER,6)
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 /* Resume IO on device */
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-#define BIODASDRESUME  _IO(DASD_IOCTL_LETTER,7) 
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+#define BIODASDRESUME  _IO(DASD_IOCTL_LETTER,7)
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 /* Abort all I/O on a device */
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 #define BIODASDABORTIO _IO(DASD_IOCTL_LETTER, 240)
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 /* Allow I/O on a device */
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@@ -315,13 +317,15 @@
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 /* Performance Statistics Read */
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 #define BIODASDPSRD    _IOR(DASD_IOCTL_LETTER,4,dasd_rssd_perf_stats_t)
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 /* Get Attributes (cache operations) */
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-#define BIODASDGATTR   _IOR(DASD_IOCTL_LETTER,5,attrib_data_t) 
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+#define BIODASDGATTR   _IOR(DASD_IOCTL_LETTER,5,attrib_data_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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+#define BIODASDFMT     _IOW(DASD_IOCTL_LETTER,1,format_data_t)
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 /* Set Attributes (cache operations) */
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-#define BIODASDSATTR   _IOW(DASD_IOCTL_LETTER,2,attrib_data_t) 
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+#define BIODASDSATTR   _IOW(DASD_IOCTL_LETTER,2,attrib_data_t)
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+/* Release Allocated Space */
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+#define BIODASDRAS     _IOW(DASD_IOCTL_LETTER, 3, format_data_t)
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 /* Get Sense Path Group ID (SNID) data */
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 #define BIODASDSNID    _IOWR(DASD_IOCTL_LETTER, 1, struct dasd_snid_ioctl_data)