示例#1
0
文件: mem.c 项目: SysMan-One/netlib
/*
**++
**  ROUTINE:	netlib___alloc_dnsreq
**
**  FUNCTIONAL DESCRIPTION:
**
**  	Allocates some memory.
**
**  RETURNS:	cond_value
**
**  PROTOTYPE:
**
**  	netlib___alloc_dnsreq(unsigned int size, void *ptr)
**
**  IMPLICIT INPUTS:	None.
**
**  IMPLICIT OUTPUTS:	None.
**
**  COMPLETION CODES:	None.
**
**  SIDE EFFECTS:   	None.
**
**--
*/
unsigned int netlib___alloc_dnsreq (struct DNSREQ **dnsreqp) {

    struct DNSREQ *dnsreq;
    unsigned int status, fullsize, aststat;

    BLOCK_ASTS(aststat);
    if (dnsreqzone == 0) {
    	unsigned int algorithm=LIB$K_VM_FIXED;
    	unsigned int flags=LIB$M_VM_GET_FILL0|LIB$M_VM_EXTEND_AREA;
    	status = lib$create_vm_zone(&dnsreqzone, &algorithm, &DNSREQ_S_DNSREQDEF, &flags);
    	if (!OK(status)) {
    	    UNBLOCK_ASTS(aststat);
    	    return status;
    	}
    }

    if (queue_remove(dnsreqque.head, &dnsreq)) {
    	memset(dnsreq, 0, DNSREQ_S_DNSREQDEF);
    	status = SS$_NORMAL;
    } else
    	status = lib$get_vm(&DNSREQ_S_DNSREQDEF, &dnsreq, &dnsreqzone);

    if (OK(status))
    	*dnsreqp = dnsreq;

    UNBLOCK_ASTS(aststat);

    return status;

} /* netlib___alloc_dnsreq */
示例#2
0
 // arr.push(v);
 bool  push(value value)
 {
   pinned pv(get_vm(),value);
   assert(is_set());
   unsigned l = length();
   val = ni()->set_array_size(vm,val,l + 1);
   return ni()->set_elem(vm,val,l,pv);
 }
示例#3
0
static void *sqlite3MemMalloc(int nByte){
  long *pNew, szNew = nByte + sizeof(int);
  if( $VMS_STATUS_SUCCESS(lib$get_vm(&szNew, &pNew, &_sqliteZone_)) ){
    *pNew = nByte;
    return ++pNew;
  }
  return 0;
}
示例#4
0
/*
**++
**  ROUTINE:	netlib___get_nameservers
**
**  FUNCTIONAL DESCRIPTION:
**
**  	Obtains the list of DNS servers configured for this TCP/IP package.
**
**  RETURNS:	int
**
**  PROTOTYPE:
**
**  	NETLIB___GET_NAMESERVERS nsq
**
**  IMPLICIT INPUTS:	None.
**
**  IMPLICIT OUTPUTS:	None.
**
**  COMPLETION CODES:
**
**
**  SIDE EFFECTS:   	None.
**
**--
*/
int netlib___get_nameservers (QUEUE *nsq) {

    struct NAMESERVER *ns;
    struct INADDRDEF a;
    struct CTX *tmpctx;
    struct dsc$descriptor dsc, lognamdsc;
    ITMLST lnmlst[2];
    char name[256], lognam[256], *cp, *anchor;
    unsigned int status, size, maxidx;
    unsigned short namlen;
    int index, i, remain;
    int v5, count;
    static unsigned int one = 1;

    tmpctx = 0;
    count = 0;

    ITMLST_INIT(lnmlst[0], LNM$_STRING, sizeof(name), name, &namlen);
    ITMLST_INIT(lnmlst[1], 0, 0, 0, 0);

    INIT_SDESC(lognamdsc, 0, lognam);

    for (v5 = 1; (count == 0) && (v5 >= 0); v5--) {
    	for (index = 0; index <= 16; index++) {
    	    lognamdsc.dsc$w_length = sprintf(lognam, (v5 == 0 ? "UCX$BIND_SERVER%03d" : "TCPIP$BIND_SERVER%03d"), index);
    	    status = sys$trnlnm(0, &nameserver_tabnam, &lognamdsc, 0, lnmlst);
    	    if (!OK(status) || namlen == 0) continue;
    	    for (anchor = name, remain = namlen; remain > 0;
    	    	    	    	    	remain -= i+1, anchor = cp+1) {
    	    	cp = memchr(anchor, ',', remain);
    	    	if (cp == 0) i = remain;
    	    	else i = cp - anchor;
    	    	INIT_SDESC(dsc, i, anchor);
    	    	if (!OK(netlib_strtoaddr(&dsc, &a))) {
    	    	    if (tmpctx == 0) {
    	    	    	if (!OK(netlib_socket(&tmpctx, 0, 0))) continue;
    	    	    }
    	    	    if (!OK(netlib_name_to_address(&tmpctx, 0, &dsc, &a, &one, 0,
    	    	    	    	0, 0, 0))) continue;
    	    	}
    	    	size = sizeof(struct NAMESERVER);
    	    	status = lib$get_vm(&size, &ns);
    	    	if (!OK(status)) break;
    	    	ns->addr = a;
    	    	queue_insert(ns, nsq->tail);
    	    	count += 1;
    	    }
    	}
    }

    if (tmpctx != 0) netlib_close(&tmpctx);
    return count;

} /* netlib___get_nameservers */
示例#5
0
文件: sp_mgr.c 项目: SysMan-One/mmk
/*
**++
**  ROUTINE:	get_spd
**
**  FUNCTIONAL DESCRIPTION:
**
**  	Allocates an SPD data cell.
**
**  RETURNS:	pointer to SPD structure.
**
**  PROTOTYPE:
**
**  	get_spd(int bufsize)
**
**  IMPLICIT INPUTS:	None.
**
**  IMPLICIT OUTPUTS:	None.
**
**  COMPLETION CODES:
**  	    non-0:  	Success.
**  	    0:	    	Allocation failed.
**
**  SIDE EFFECTS:   	None.
**
**--
*/
static struct SPD *get_spd (int bufsize) {

    unsigned int cellsize, status;
    struct SPD *spd;

    cellsize = bufsize + sizeof(struct SPD);

    status = lib$get_vm(&cellsize, &spd);
    if (!OK(status)) return 0;

    spd->len = bufsize;
    return spd;

} /* get_spd */
示例#6
0
文件: mem.c 项目: SysMan-One/netlib
/*
**++
**  ROUTINE:	netlib___alloc_ior
**
**  FUNCTIONAL DESCRIPTION:
**
**  	Allocates some memory.
**
**  RETURNS:	cond_value
**
**  PROTOTYPE:
**
**  	netlib___alloc_ior(unsigned int size, void *ptr)
**
**  IMPLICIT INPUTS:	None.
**
**  IMPLICIT OUTPUTS:	None.
**
**  COMPLETION CODES:	None.
**
**  SIDE EFFECTS:   	None.
**
**--
*/
unsigned int netlib___alloc_ior (struct IOR **iorp) {

    struct IOR *ior;
    unsigned int status, fullsize, aststat;

    BLOCK_ASTS(aststat);

    if (iorzone == 0) {
    	unsigned int algorithm=LIB$K_VM_FIXED;
    	unsigned int flags=LIB$M_VM_GET_FILL0|LIB$M_VM_EXTEND_AREA;
    	int i;
    	status = lib$create_vm_zone(&iorzone, &algorithm, &IOR_S_IORDEF, &flags);
    	if (!OK(status)) {
    	    UNBLOCK_ASTS(aststat);
    	    return status;
    	}
    	for (i = 0; i < 8; i++) {
    	    if (!OK(lib$get_vm(&IOR_S_IORDEF, &ior))) break;
    	    queue_insert(ior, iorque.tail);
    	}
    }

    if (queue_remove(iorque.head, &ior)) {
    	memset(ior, 0, IOR_S_IORDEF);
    	*iorp = ior;
    	status = SS$_NORMAL;
    } else 
    	status = lib$get_vm(&IOR_S_IORDEF, &ior, &iorzone);

    if (OK(status))
    	*iorp = ior;

    UNBLOCK_ASTS(aststat);

    return status;

} /* netlib___alloc_ior */
示例#7
0
文件: mem.c 项目: SysMan-One/netlib
/*
**++
**  ROUTINE:	netlib___alloc_ctx
**
**  FUNCTIONAL DESCRIPTION:
**
**  	Allocates some memory.
**
**  RETURNS:	cond_value
**
**  PROTOTYPE:
**
**  	netlib___alloc_ctx(unsigned int size, void *ptr)
**
**  IMPLICIT INPUTS:	None.
**
**  IMPLICIT OUTPUTS:	None.
**
**  COMPLETION CODES:	None.
**
**  SIDE EFFECTS:   	None.
**
**--
*/
unsigned int netlib___alloc_ctx (struct CTX **ctxp, unsigned int specsize) {

    struct CTX *ctx;
    unsigned int status, fullsize, aststat;

    BLOCK_ASTS(aststat);
    if (netlib_synch_efn == 0xffffffff) {
    	status = lib$get_ef(&netlib_synch_efn);
    	if (!OK(status)) {
    	    UNBLOCK_ASTS(aststat);
    	    return status;
    	}
    }
    if (netlib_asynch_efn == 0xffffffff) {
    	status = lib$get_ef(&netlib_asynch_efn);
    	if (!OK(status)) {
    	    UNBLOCK_ASTS(aststat);
    	    return status;
    	}
    }

    fullsize = specsize + CTX_S_CTXDEF;
    if (ctxzone == 0) {
    	unsigned int algorithm=LIB$K_VM_FIXED;
    	unsigned int flags=LIB$M_VM_GET_FILL0|LIB$M_VM_EXTEND_AREA;
    	status = lib$create_vm_zone(&ctxzone, &algorithm, &fullsize, &flags);
    	if (!OK(status)) {
    	    UNBLOCK_ASTS(aststat);
    	    return status;
    	}
    }

    status = lib$get_vm(&fullsize, &ctx, &ctxzone);
    if (OK(status)) {
    	ctx->specctx = ctx + 1;
    	ctx->specctx_size = specsize;
    	if (!OK(status)) lib$free_vm(&fullsize, &ctx, &ctxzone);
    	*ctxp = ctx;

    }

    UNBLOCK_ASTS(aststat);

    return status;

} /* netlib___alloc_ctx */
示例#8
0
/*
**++
**  ROUTINE:	netlib_connect_by_name
**
**  FUNCTIONAL DESCRIPTION:
**
**  	Connects to a remote host/port by name.  The name is looked up,
**  then a connection is tried to each address until a connection is
**  established, or we run out of addresses.
**
**  RETURNS:	cond_value, longword (unsigned), write only, by value
**
**  PROTOTYPE:
**
**  	NETLIB_CONNECT_BY_NAME  ctxptr, namdsc, port [,iosb] [,astadr] [,astprm]
**
**  ctxptr: 	NETLIB context, longword (unsigned), read only, by reference
**  namdsc: 	char_string, character string, read only, by descriptor
**  port:   	word_unsigned, word (unsigned), read only, by reference
**  iosb:   	io_status_block, quadword (unsigned), write only, by reference
**  astadr: 	ast_procedure, procedure value, call, by reference
**  astprm: 	user_arg, longword (unsigned), read only, by value
**
**  IMPLICIT INPUTS:	None.
**
**  IMPLICIT OUTPUTS:	None.
**
**  COMPLETION CODES:
**  	SS$_NORMAL: 	    normal successful completion
**  	SS$_INSFARG:	    not enough arguments
**  	SS$_BADPARAM:	    invalid argument
**  	Codes from LIB$GET_VM, LIB$ANALYZE_SDESC, and
**  	other NETLIB network status codes.
**
**  SIDE EFFECTS:   	None.
**
**--
*/
unsigned int netlib_connect_by_name (struct CTX **xctx,
    	    	    struct dsc$descriptor *dsc, unsigned short *port,
    	    	    struct NETLIBIOSBDEF *iosb, void (*astadr)(), void *astprm) {

    struct Connect_Context *con;
    struct CTX *ctx;
    struct INADDRDEF addr;
    unsigned int status, size;
    unsigned short namlen;
    char *namp;
    int argc;

/*
**  Verify the arguments
*/
    VERIFY_CTX(xctx, ctx);
    SETARGCOUNT(argc);

    if (argc < 3) return SS$_INSFARG;
    if (dsc == 0 || port == 0) return SS$_BADPARAM;

/*
**  Allocate and fill in the connection context
*/
    status = lib$analyze_sdesc(dsc, &namlen, &namp);
    if (!OK(status)) return status;
    size = namlen + sizeof(struct Connect_Context);
    status = lib$get_vm(&size, &con);
    if (!OK(status)) return status;
    memset(con, 0, size);
    con->name = (char *) (con + 1);
    memcpy(con->name, namp, namlen);
    INIT_SDESC(con->dsc, namlen, con->name);
    con->ctx = ctx;
    con->sin.sin_w_family = NETLIB_K_AF_INET;
    con->sin.sin_w_port = netlib_word_swap(*port);
    con->ctxsize = size;

    size = sizeof(con->htadrlst)/sizeof(con->htadrlst[0]);
    if (argc > 3 && iosb != 0) con->user_iosb = iosb;

    if (argc > 4 && astadr != 0) {
    	con->astadr = astadr;
    	if (argc > 5) con->astprm = astprm;
    }
/*
**  If they provided us with a dotted-decimal IP address, fake
**  out do_connect to make it look like we looked up the address
**  via DNS.
*/
    if (OK(netlib_strtoaddr(&con->dsc, &addr))) {
    	con->iosb.iosb_w_status = SS$_NORMAL;
    	con->nsadrcnt = 1;
    	con->nsadrlst[0] = addr;
    	if (con->astadr != 0) return sys$dclast(do_connect, con, 0);
    	return do_connect(con);
    }

/*
**  Make lookup via host table synchronous and in main-line thread
**  because we can't call it from AST level for all packages
*/
    status = netlib_name_to_address(&con->ctx, &useht, &con->dsc,
    	    	    con->htadrlst, &size, &con->htadrcnt, &con->iosb);
    if (!OK(status)) con->htadrcnt = 0;
    size = sizeof(con->nsadrlst)/sizeof(con->nsadrlst[0]);

/*
**  For an asynch call, do the DNS lookup and have DO_CONNECT invoked
**  as the AST routine
*/
    if (argc > 4 && astadr != 0) {
    	status = netlib_name_to_address(&con->ctx, &usedns, &con->dsc,
    	    	    con->nsadrlst, &size, &con->nsadrcnt, &con->iosb,
    	    	    do_connect, con);
    	if (!OK(status)) lib$free_vm(&con->ctxsize, &con);
    	return status;
    }

/*
**  Synchronous call: do the DNS lookup...
*/
    status = netlib_name_to_address(&con->ctx, &usedns, &con->dsc,
    	    	    con->nsadrlst, &size, &con->nsadrcnt, &con->iosb);

/*
**  ... if it failed, fall back on the host table lookup info we got
*/
    if (!OK(status)) {
    	con->iosb.iosb_w_status = SS$_ENDOFFILE;
    	con->nsadrcnt = 0;
    }

/*
**  Just call DO_CONNECT to complete this for us
*/
    return do_connect(con);

} /* netlib_connect_by_name */
示例#9
0
 // var v = obj["key"]; obj["key"] = v;
 bool  set(const WCHAR* key, value v)  { assert(is_set()); pinned pv(get_vm(),v); value k = v_string(get_vm(),key); return ni()->set_prop(vm,val,k,pv); }
示例#10
0
文件: dns.c 项目: SysMan-One/netlib
/*
**++
**  ROUTINE:	netlib___dns_init
**
**  FUNCTIONAL DESCRIPTION:
**
**  	Initializes an internal DNS resolver context.
**
**  RETURNS:	cond_value, longword (unsigned), write only, by value
**
**  PROTOTYPE:
**
**  	netlib___dns_init(struct CTX *ctx)
**
**  ctx:    NETLIB context, modify, by reference.
**
**  IMPLICIT INPUTS:	None.
**
**  IMPLICIT OUTPUTS:	None.
**
**  COMPLETION CODES:	See code.
**
**  SIDE EFFECTS:   	None.
**
**--
*/
unsigned int netlib___dns_init (struct CTX *ctx) {

    struct DOMAIN *dom;
    unsigned int status;
    ITMLST lnmlst[3];
    int i, maxidx;
    unsigned int size;
    unsigned short buflen;
    char buf[256];
    int did_tmo;

    static unsigned int socktype = NETLIB_K_TYPE_DGRAM;
    static unsigned int ctxsize = sizeof(struct DNSCTX);
    static $DESCRIPTOR(tabnam, "LNM$FILE_DEV");
    static $DESCRIPTOR(lognam, "NETLIB_SEARCH_DOMAIN");
    static $DESCRIPTOR(tmolnm, "NETLIB_DNS_QUERY_TIMEOUT");

/*
**  Allocate the DNS resolver context
*/
    status = lib$get_vm(&ctxsize, &ctx->dnsctx);
    if (!OK(status)) return status;

    INIT_QUEUE(ctx->dnsctx->nsq);
    INIT_QUEUE(ctx->dnsctx->domq);

/*
**  Get the list of name servers we're supposed to contact
*/
    if (netlib___get_nameservers(&ctx->dnsctx->nsq) == 0) {
    	lib$free_vm(&ctxsize, &ctx->dnsctx);
    	ctx->dnsctx = 0;
    	ctx->flags |= CTX_M_NO_DNS;
    	return SS$_UNSUPPORTED;
    }

/*
**  Get the list of NETLIB search domains, or the package-specific
**  ones.
*/
    ITMLST_INIT(lnmlst[0], LNM$_MAX_INDEX, sizeof(maxidx), &maxidx, 0);
    ITMLST_INIT(lnmlst[1], 0, 0, 0, 0);
    if (OK(sys$trnlnm(0, &tabnam, &lognam, 0, lnmlst))) {
    	ITMLST_INIT(lnmlst[0], LNM$_INDEX, sizeof(i), &i, 0);
    	ITMLST_INIT(lnmlst[1], LNM$_STRING, sizeof(buf), buf, &buflen);
    	ITMLST_INIT(lnmlst[2], 0, 0, 0, 0);
    	for (i = 0; i <= maxidx; i++) {
    	    if (OK(sys$trnlnm(0, &tabnam, &lognam, 0, lnmlst)) && buflen != 0) {
    	    	size = buflen + sizeof(struct DOMAIN);
    	    	if (OK(lib$get_vm(&size, &dom))) {
    	    	    dom->length = buflen;
    	    	    memcpy(dom->name, buf, buflen);
    	    	    dom->name[buflen] = '\0';
    	    	    queue_insert(dom, ctx->dnsctx->domq.tail);
    	    	}
    	    }
    	}
    } else if (netlib___get_domain(buf, sizeof(buf), &buflen)) {
    	char *cp, *cp1;
    	int remain;

    	cp = buf;
    	remain = buflen;
/*
**  A search domain must have at least two parts, to avoid the ".com.edu"
**  problem, which is why we check to make sure that the remaining domain
**  string has at least one dot.
*/
    	while (remain > 0) {
    	    cp1 = memchr(cp, '.', remain);
    	    if (cp1 == 0) break;
    	    size = remain + sizeof(struct DOMAIN);
    	    if (OK(lib$get_vm(&size, &dom))) {
    	    	dom->length = remain;
    	    	memcpy(dom->name, cp, remain);
    	    	dom->name[remain] = '\0';
    	    	queue_insert(dom, ctx->dnsctx->domq.tail);
    	    }
    	    remain -= (cp1 - cp) + 1;
    	    cp = cp1 + 1;
    	}
    }

    did_tmo = 0;
    ITMLST_INIT(lnmlst[0], LNM$_STRING, sizeof(buf), buf, &buflen);
    ITMLST_INIT(lnmlst[1], 0, 0, 0, 0);
    if (OK(sys$trnlnm(0, &tabnam, &tmolnm, 0, lnmlst))) {
        struct dsc$descriptor dsc;
        INIT_SDESC(dsc, buflen, buf);
        /*
         *  Make sure it's a delta time value
         */
        if (OK(sys$bintim(&dsc, &ctx->dnsctx->timeout)))
            did_tmo = (int) ctx->dnsctx->timeout.long2 < 0;
    }
    if (!did_tmo)
        sys$bintim(&default_timeout, &ctx->dnsctx->timeout);
            
    ctx->dnsctx->retry_count = 4;

    return SS$_NORMAL;

} /* netlib___dns_init */    
示例#11
0
文件: dm-stripe.c 项目: limerain/Swan
/*
 * Construct a striped mapping.
 * <number of stripes> <chunk size> [<dev_path> <offset>]+
 */
static int vm_ctr(struct dm_target *ti, unsigned int argc, char **argv)
{
	struct vm_c *vc;
	sector_t width, tmp_len;
	uint32_t vms;
	uint32_t chunk_size;
	int r;
	unsigned long long i;

	if (argc < 2) {
		ti->error = "Not enough arguments";
		return -EINVAL;
	}

	if (kstrtouint(argv[0], 10, &vms) || !vms) {
		ti->error = "Invalid stripe count";
		return -EINVAL;
	}

	if (kstrtouint(argv[1], 10, &chunk_size) || !chunk_size) {
		ti->error = "Invalid chunk_size";
		return -EINVAL;
	}

	width = ti->len;
	if (sector_div(width, vms)) {
		ti->error = "Target length not divisible by "
		    "number of stripes";
		return -EINVAL;
	}

	tmp_len = width;
	if (sector_div(tmp_len, chunk_size)) {
		ti->error = "Target length not divisible by "
		    "chunk size";
		return -EINVAL;
	}

	/*
	 * Do we have enough arguments for that many stripes ?
	 */
	if (argc != (2 + 2 * vms)) {
		ti->error = "Not enough destinations "
			"specified";
		return -EINVAL;
	}

	vc = alloc_context(vms);
	if (!vc) {
		ti->error = "Memory allocation for striped context "
		    "failed";
		return -ENOMEM;
	}

	INIT_WORK(&vc->trigger_event, trigger_event);

	/* Set pointer to dm target; used in trigger_event */
	vc->ti = ti;
	vc->vms = vms;
	vc->vm_width = width;

	if (vms & (vms - 1))
		vc->vms_shift = -1;
	else
		vc->vms_shift = __ffs(vms);

	r = dm_set_target_max_io_len(ti, chunk_size);
	if (r) {
		kfree(vc);
		return r;
	}

	ti->num_flush_bios = vms;
	ti->num_discard_bios = vms;
	ti->num_write_same_bios = vms;

	vc->chunk_size = chunk_size;
	if (chunk_size & (chunk_size - 1))
		vc->chunk_size_shift = -1;
	else
		vc->chunk_size_shift = __ffs(chunk_size);

	/*
	 * Get the stripe destinations.
	 */
	for (i = 0; i < vms; i++) {
		argv += 2;

		r = get_vm(ti, vc, i, argv);
		if (r < 0) {
			ti->error = "Couldn't parse stripe destination";
			while (i--)
				dm_put_device(ti, vc->vm[i].dev);
			kfree(vc);
			return r;
		}
		atomic_set(&(vc->vm[i].error_count), 0);
	}

	/*volume manager initialize*/
	vc->wp = 0;//////current 0 is NVMe
	//vc->wp = 1;
	vc->ws = kmalloc(sizeof(unsigned long long) * vc->vms, GFP_KERNEL);
	for(i = 0; i<vc->vms; i++)
		vc->ws[i] = 0;
	vc->gp_list = kmalloc(sizeof(char) * vc->vms, GFP_KERNEL);
	vc->num_gp = 0;
	vc->io_client = dm_io_client_create();
	vc->gs = NULL;
	vc->overload = 0;
	for(i=0; i<vc->vms; i++)
		vc->gp_list[i] = Clean_Weight;//0 is clean
	{
		unsigned long long tem, disk_size;
		
		tem = 0;
		for(i = 0; i<vms; i++){
			struct block_device *cur_bdev = vc->vm[i].dev->bdev;
			vc->vm[i].end_sector = i_size_read(cur_bdev->bd_inode)>>9;//unit of sector
			printk("vm%llu start_sector %llu, end_sector %llu, target_offset %llu\n",
					i, (unsigned long long) vc->vm[i].physical_start, (unsigned long long) vc->vm[i].end_sector, (unsigned long long)dm_target_offset(ti, vc->ws[i]));
			disk_size = vc->vm[i].end_sector * 512;
			do_div(disk_size, (unsigned long long) vc->vm[i].dev->bdev->bd_block_size);
			tem += disk_size;
		}
		vc->num_entry = tem;//num entry is blk num
	}
	printk("num entry is %llu, node size is %lu, req mem is %llu\n", vc->num_entry, sizeof(struct flag_nodes), sizeof(struct flag_nodes) * vc->num_entry);
	
	//flag set initialize
	vc->fs = (struct flag_set *) kmalloc(sizeof(struct flag_set), GFP_KERNEL);
	vc->fs->node_buf = kmem_cache_create("dirty_data_buf", sizeof(struct flag_nodes),
			0, (SLAB_RECLAIM_ACCOUNT | SLAB_MEM_SPREAD), NULL);

	vc->fs->table = (struct flag_nodes **)vmalloc(sizeof(struct flag_nodes*) * vc->num_entry);
	for(i=0; i<vc->num_entry; i++){
		//vc->fs->table[i] = NULL;//late alloc code
		vc->fs->table[i] = kmem_cache_alloc(vc->fs->node_buf, GFP_KERNEL);//pre alloc start
		vc->fs->table[i]->msector = -1;
		vc->fs->table[i]->wp = -1;//pre alloc end
	}
	vc->num_map_block = 0;//vc->num_entry * sizeof(struct flag_nodes) / 4096;
	//vc->ws[0] += vc->num_map_block;

	vc->fs->reverse_table = vmalloc(sizeof(struct reverse_nodes*) * vc->vms);
	vc->d_num = kmalloc(sizeof(unsigned long long) * vc->vms, GFP_KERNEL);
	for(i=0; i<vc->vms; i++){
		unsigned long long j;
		unsigned long long r_table_size = (vc->vm[i].end_sector + 7);
		unsigned long long phy_sect = vc->vm[i].physical_start;
		do_div(phy_sect, 8);
		do_div(r_table_size, 8);
		printk("r_table_size = %llu\n", r_table_size);
		vc->vm[i].num_dirty = r_table_size - phy_sect;
		vc->d_num[i] = vc->vm[i].num_dirty;
		vc->fs->reverse_table[i] = vmalloc(sizeof(struct reverse_nodes) * r_table_size);
		for(j=0; j<r_table_size; j++){
			vc->fs->reverse_table[i][j].index = -1;
			vc->fs->reverse_table[i][j].dirty = 1;
			vc->fs->reverse_table[i][j].size = -1;
		}
		//printk("%u's first ptr is %p, final ptr is %p\n", i, &(vc->fs->reverse_table[i][0]), &(vc->fs->reverse_table[i][j]));
	}

	for(i=0; i<vc->vms; i++){
		unsigned int minor = atom(vc->vm[i].dev->name);
		unsigned int major = atoj(vc->vm[i].dev->name);

		printk("dev name is %s\t", vc->vm[i].dev->name);
		if(major != 2600) vc->vm[i].main_dev = minor >> minor_shift;
		else vc->vm[i].main_dev = minor - 1;
		vc->vm[i].maj_dev = major;
		printk("main %u, maj %u\n", vc->vm[i].main_dev, vc->vm[i].maj_dev);
	}
示例#12
0
/*
**++
**  ROUTINE:	netlib_name_to_address
**
**  FUNCTIONAL DESCRIPTION:
**
**  	Uses the UCX IO$_ACPCONTROL $QIO function to translate a host
**  name into one or more IP addresses.
**
**  RETURNS:	cond_value, longword (unsigned), write only, by value
**
**  PROTOTYPE:
**
**  	NETLIB_NAME_TO_ADDRESS  ctx, which, namdsc, addrlist, listsize [,count] [,iosb] [,astadr] [,astprm]
**
**  IMPLICIT INPUTS:	None.
**
**  IMPLICIT OUTPUTS:	None.
**
**  COMPLETION CODES:
**
**
**  SIDE EFFECTS:   	None.
**
**--
*/
unsigned int netlib_name_to_address (struct CTX **xctx, unsigned int *whichp,
    	    	    	    struct dsc$descriptor *namdsc,
    	    	    	    struct INADDRDEF *addrlist,
    	    	    	    unsigned int *listsize, unsigned int *count,
    	    	    	    struct NETLIBIOSBDEF *iosb,
    	    	    	    void (*astadr)(), void *astprm) {

    struct CTX *ctx;
    struct INADDRDEF addr;
    struct NETLIBIOSBDEF myiosb;
    struct HOSTENT hostent;
    unsigned int status, subfunction;
    ITMLST2 subfdsc;
    ITMLST2 entdsc;
    unsigned short helen;
    int argc;

    VERIFY_CTX(xctx, ctx);
    SETARGCOUNT(argc);

    if (argc < 5) return SS$_INSFARG;

    if (namdsc == 0 || addrlist == 0 || listsize == 0) return SS$_BADPARAM;

    if (OK(netlib_strtoaddr(namdsc, &addr))) {
    	addrlist[0] = addr;
    	if (argc > 5 && count != 0) *count = 1;
    	if (argc > 6 && iosb != 0) {
    	    iosb->iosb_w_status = SS$_NORMAL;
    	    iosb->iosb_w_count = 1;
    	    iosb->iosb_l_unused = 0;
    	}
    	if (argc > 7 && astadr != 0) {
    	    return sys$dclast(astadr, (argc > 8) ? astprm : 0, 0);
    	} else {
    	    return SS$_NORMAL;
    	}
    }

    if (argc > 7 && astadr != 0) {
    	struct IOR *ior;
    	GET_IOR(ior, ctx, iosb, astadr, (argc > 8) ? astprm : 0);
    	status = lib$get_vm(&hostent_size, &ior->spec_hostent);
    	if (!OK(status)) {
    	    FREE_IOR(ior);
    	    return status;
    	}
    	ior->specior.subfunction =
    	    (INETACP$C_HOSTENT_OFFSET << 8) | INETACP_FUNC$C_GETHOSTBYNAME;

    	ITMLST2_INIT(subfdsc, 0, sizeof(ior->specior.subfunction),
    	    	    &ior->specior.subfunction);
    	ITMLST2_INIT(entdsc, 0, hostent_size, ior->spec_hostent);
    	
    	ior->spec_useralist = addrlist;
    	ior->spec_length = *listsize;
    	ior->spec_retlen = count;
    	ior->iorflags = IOR_M_COPY_ADDRS;
    	status = sys$qio(netlib_asynch_efn, ctx->chan, IO$_ACPCONTROL, &ior->iosb,
    	    	    	    io_completion, ior, &subfdsc, namdsc,
    	    	    	    &ior->specior.fromlen, &entdsc, 0, 0);
    	if (!OK(status)) FREE_IOR(ior);
    	return status;
    }

    subfunction =
    	    (INETACP$C_HOSTENT_OFFSET << 8) | INETACP_FUNC$C_GETHOSTBYNAME;

    ITMLST2_INIT(subfdsc, 0, sizeof(subfunction), &subfunction);
    ITMLST2_INIT(entdsc, 0, hostent_size, &hostent);
    status = sys$qiow(netlib_synch_efn, ctx->chan, IO$_ACPCONTROL, &myiosb,
    	    	    	0, 0, &subfdsc, namdsc, &helen, &entdsc, 0, 0);
    if (OK(status)) status = netlib___cvt_status(&myiosb);
    if (argc > 6 && iosb != 0) netlib___cvt_iosb(iosb, &myiosb);
    if (OK(status)) {
    	char *base;
    	unsigned int *offlst;
    	int i;
    	base = (char *) &hostent;
    	i = 0;
    	if (hostent.addrlist_offset != 0) {
    	    offlst = (unsigned int *) (base+hostent.addrlist_offset);
    	    while (i < *listsize && offlst[i] != 0) {
    	    	addrlist[i] = *(struct INADDRDEF *) (base + offlst[i]);
    	    	i++;
    	    }
    	}
    	if (argc > 5 && count != 0) *count = i;
    }

    return status;
    
} /* netlib_name_to_address */
示例#13
0
文件: sp_mgr.c 项目: SysMan-One/mmk
/*
**++
**  ROUTINE:	sp_open
**
**  FUNCTIONAL DESCRIPTION:
**
**  	Spawns a subprocess, possibly passing it an initial command.
**
**  RETURNS:	cond_value, longword (unsigned), write only, by value
**
**  PROTOTYPE:
**
**  	sp_open(SPHANDLE *ctxpp, struct dsc$descriptor *inicmd,
**  	    	    unsigned int (*rcvast)(void *), void *rcvastprm);
**
**  IMPLICIT INPUTS:	None.
**
**  IMPLICIT OUTPUTS:	None.
**
**  COMPLETION CODES:
**  	    SS$_NORMAL:	    Normal successful completion.
**
**  SIDE EFFECTS:   	None.
**
**--
*/
unsigned int sp_open (SPHANDLE *ctxpp, void *inicmd, unsigned int (*rcvast)(void *), void *rcvastprm) {

    SPHANDLE ctx;
    unsigned int dvi_devnam = DVI$_DEVNAM, dvi_devbufsiz = DVI$_DEVBUFSIZ;
    unsigned int spawn_flags = CLI$M_NOWAIT|CLI$M_NOKEYPAD;
    unsigned int status;
    struct dsc$descriptor inbox, outbox;

    status = lib$get_vm(&spb_size, &ctx);
    if (!OK(status)) return status;

/*
** Assign the SPHANDLE address for the caller immediately to avoid timing issues with
** WRTATTN AST that passes the ctx as rcvastprm (which sp_once does).
*/
    *ctxpp = ctx;
    ctx->sendque.head = ctx->sendque.tail = &ctx->sendque;
    ctx->ok_to_send = 0;

/*
** Create the mailboxes we'll be using for I/O with the subprocess
*/
    status = sys$crembx(0, &ctx->inchn, 1024, 1024, 0xff00, 0, 0, 0);
    if (!OK(status)) {
    	lib$free_vm(&spb_size, &ctx);
    	return status;
    }
    status = sys$crembx(0, &ctx->outchn, 1024, 1024, 0xff00, 0, 0, 0);
    if (!OK(status)) {
    	sys$dassgn(ctx->inchn);
    	lib$free_vm(&spb_size, &ctx);
    	return status;
    }

/*
** Now that they're created, let's find out what they're called so we
** can tell LIB$SPAWN
*/
    INIT_DYNDESC(inbox);
    INIT_DYNDESC(outbox);
    lib$getdvi(&dvi_devnam, &ctx->inchn, 0, 0, &inbox);
    lib$getdvi(&dvi_devnam, &ctx->outchn, 0, 0, &outbox);
    lib$getdvi(&dvi_devbufsiz, &ctx->outchn, 0, &ctx->bufsiz);

/*
** Create the output buffer for the subprocess.
*/
    status = lib$get_vm(&ctx->bufsiz, &ctx->bufptr);
    if (!OK(status)) {
    	sys$dassgn(ctx->outchn);
    	sys$dassgn(ctx->inchn);
    	str$free1_dx(&inbox);
    	str$free1_dx(&outbox);
    	lib$free_vm(&spb_size, &ctx);
    	return status;
    }

/*
** Set the "receive AST" routine to be invoked by SP_WRTATTN_AST
*/
    ctx->rcvast = rcvast;
    ctx->astprm = rcvastprm;
    sys$qiow(0, ctx->outchn, IO$_SETMODE|IO$M_WRTATTN, 0, 0, 0,
    	sp_wrtattn_ast, ctx, 0, 0, 0, 0);
    sys$qiow(0, ctx->inchn, IO$_SETMODE|IO$M_READATTN, 0, 0, 0,
    	sp_readattn_ast, ctx, 0, 0, 0, 0);

/*
** Get us a termination event flag
*/
    status = lib$get_ef(&ctx->termefn);
    if (OK(status)) lib$get_ef(&ctx->inefn);
    if (OK(status)) lib$get_ef(&ctx->outefn);
    if (!OK(status)) {
    	sys$dassgn(ctx->outchn);
    	sys$dassgn(ctx->inchn);
    	str$free1_dx(&inbox);
    	str$free1_dx(&outbox);
    	lib$free_vm(&ctx->bufsiz, &ctx->bufptr);
    	lib$free_vm(&spb_size, &ctx);
    	return status;
    }

/*
** Now create the subprocess
*/
    status = lib$spawn(inicmd, &inbox, &outbox, &spawn_flags, 0, &ctx->pid,
    	    0, &ctx->termefn);
    if (!OK(status)) {
    	lib$free_ef(&ctx->termefn);
    	lib$free_ef(&ctx->outefn);
    	lib$free_ef(&ctx->inefn);
    	sys$dassgn(ctx->outchn);
    	sys$dassgn(ctx->inchn);
    	str$free1_dx(&inbox);
    	str$free1_dx(&outbox);
    	lib$free_vm(&ctx->bufsiz, &ctx->bufptr);
    	lib$free_vm(&spb_size, &ctx);
    	return status;
    }

/*
** Set up the exit handler, if we haven't done so already
*/
    status = sys$setast(0);
    if (!exh_declared) {
    	sys$dclexh(&exhblk);
    	exh_declared = 1;
    }
    if (status == SS$_WASSET) sys$setast(1);

/*
** Save the SPB in our private queue
*/
    queue_insert(ctx, spque.tail);

/*
** Clean up and return
*/
    str$free1_dx(&inbox);
    str$free1_dx(&outbox);

    return SS$_NORMAL;

} /* sp_open */
示例#14
0
 array_ref& operator = (value v) {  assert(get_vm()); assign(v); return *this; }
示例#15
0
 // create new array
 void create(unsigned num_elements = 0) { val = ni()->create_array(get_vm(), num_elements); }
示例#16
0
 value get(const WCHAR* key)           { assert(is_set()); value k = v_string(get_vm(),key); return ni()->get_prop(vm,val,k); }
示例#17
0
void DCPUToolchain::SendStatus()
{
    vm_t* vm = get_vm();

    AddStatusMessage(vm);
}
示例#18
0
 void create(const char* class_path )
 {
     value cls = value_by_path(get_vm(), class_path); assert( is_class(vm,cls) );
     val = ni()->create_object(get_vm(), cls);
 }
示例#19
0
 // create new object [of class]
 void create(value of_class = 0) { val = ni()->create_object(get_vm(), of_class); }
示例#20
0
/*
**++
**  ROUTINE:	netlib_address_to_name
**
**  FUNCTIONAL DESCRIPTION:
**
**  	Uses the UCX IO$_ACPCONTROL $QIO function to translate an
**  IP address into a host name.
**
**  RETURNS:	cond_value, longword (unsigned), write only, by value
**
**  PROTOTYPE:
**
**  	NETLIB_ADDRESS_TO_NAME  ctx, which, addr, addrsize, namdsc [,retlen] [,iosb] [,astadr] [,astprm]
**
**  IMPLICIT INPUTS:	None.
**
**  IMPLICIT OUTPUTS:	None.
**
**  COMPLETION CODES:
**
**
**  SIDE EFFECTS:   	None.
**
**--
*/
unsigned int netlib_address_to_name (struct CTX **xctx, unsigned int *whichp,
    	    	    	    struct INADDRDEF *addr,
    	    	    	    unsigned int *addrsize,
    	    	    	    struct dsc$descriptor *namdsc,
    	    	    	    unsigned short *retlen,
    	    	    	    struct NETLIBIOSBDEF *iosb,
    	    	    	    void (*astadr)(), void *astprm) {

    struct CTX *ctx;
    struct NETLIBIOSBDEF myiosb;
    ITMLST2 subfdsc, entdsc, adrdsc;
    unsigned int status, subfunction;
    char buf[1024];
#ifdef TCPWARE
    char tmp[64];
    struct dsc$descriptor tmpdsc;
#endif /* TCPWARE */
    unsigned short length;
    int argc;

    VERIFY_CTX(xctx, ctx);
    SETARGCOUNT(argc);

    if (argc < 5) return SS$_INSFARG;

    if (addr == 0 || addrsize == 0 || namdsc == 0) return SS$_BADPARAM;
    if (*addrsize != sizeof(struct INADDRDEF)) return SS$_BADPARAM;

#ifdef TCPWARE
    INIT_SDESC (tmpdsc, sizeof(tmp), tmp);
    status = netlib_addrtostr(addr, &tmpdsc, &tmpdsc.dsc$w_length);
    if (!OK(status)) return status;
#else
    ITMLST2_INIT(adrdsc, 0, *addrsize, addr);
#endif /* TCPWARE */
    if (argc > 7 && astadr != 0) {
    	struct IOR *ior;
    	struct HOSTENT *h;
    	GET_IOR(ior, ctx, iosb, astadr, (argc > 8) ? astprm : 0);
    	status = lib$get_vm(&hostent_size, &h);
    	if (!OK(status)) {
    	    FREE_IOR(ior);
    	    return status;
    	}
    	ior->spec_usrdsc = namdsc;
    	ior->spec_retlen = retlen;
    	ior->specior.subfunction =
#ifndef TCPWARE
    	    (INETACP$C_TRANS << 8) |
#endif /* not TCPWARE */
    	    INETACP_FUNC$C_GETHOSTBYADDR;

    	ITMLST2_INIT(subfdsc, 0, sizeof(ior->specior.subfunction),
    	    	    	    &ior->specior.subfunction);
    	ITMLST2_INIT(entdsc, 0, sizeof(h->buffer), h->buffer);
    	ior->spec_hostent = h;
    	ior->iorflags = IOR_M_COPY_HOSTNAME;
    	status = sys$qio(netlib_asynch_efn, ctx->chan, IO$_ACPCONTROL, &ior->iosb,
    	    	    	    io_completion, ior, &subfdsc,
#ifdef TCPWARE
    	    	    	    &tmpdsc,
#else
    	    	    	    &adrdsc,
#endif /* TCPWARE */
    	    	    	    &ior->specior.fromlen, &entdsc, 0, 0);
    	if (!OK(status)) FREE_IOR(ior);
    	return status;
    }

    subfunction =
#ifndef TCPWARE
    	    	  (INETACP$C_TRANS << 8) |
#endif
    	    	  INETACP_FUNC$C_GETHOSTBYADDR;

    ITMLST2_INIT(subfdsc, 0, sizeof(subfunction), &subfunction);
    ITMLST2_INIT(entdsc, 0, sizeof(buf), buf);
    status = sys$qiow(netlib_synch_efn, ctx->chan, IO$_ACPCONTROL, &myiosb,
    	    	    	0, 0, &subfdsc,
#ifdef TCPWARE
    	    	    	&tmpdsc,
#else
    	    	    	&adrdsc,
#endif /* TCPWARE */
    	    	    	&length, &entdsc, 0, 0);
    if (OK(status)) status = netlib___cvt_status(&myiosb);
    if (argc > 6 && iosb != 0) netlib___cvt_iosb(iosb, &myiosb);
    if (OK(status)) {
    	str$copy_r(namdsc, &length, buf);
    	if (argc > 5 && retlen != 0) *retlen = length;
    }

    return status;

} /* netlib_address_to_name */