xnu-1504.9.26.tar.gz

[apple/xnu.git] / bsd / dev / unix_startup.c

diff --git a/bsd/dev/unix_startup.c b/bsd/dev/unix_startup.c
index d3df771967f28895321f6bfc8bda0071bdf1a077..4ec548794d791ef4b6c2b818e370d82b4e811a8e 100644 (file)
--- a/bsd/dev/unix_startup.c
+++ b/bsd/dev/unix_startup.c
@@ -1,5 +1,5 @@
 /*
 /*

- * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2008 Apple Computer, Inc. All rights reserved.

  *
  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  * 
  *
  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  * 


@@ -39,25 +39,31 @@
 
 #include <sys/param.h>
 #include <sys/buf_internal.h>
 
 #include <sys/param.h>
 #include <sys/buf_internal.h>

+#include <sys/file_internal.h>
+#include <sys/proc_internal.h>

 #include <sys/clist.h>
 #include <sys/mbuf.h>
 #include <sys/systm.h>
 #include <sys/tty.h>
 #include <sys/vnode.h>
 #include <sys/sysctl.h>
 #include <sys/clist.h>
 #include <sys/mbuf.h>
 #include <sys/systm.h>
 #include <sys/tty.h>
 #include <sys/vnode.h>
 #include <sys/sysctl.h>

-#include <dev/ppc/cons.h>
+#include <machine/cons.h>
+#include <pexpert/pexpert.h>
+#include <sys/socketvar.h>

 
 extern vm_map_t mb_map;
 
 #if INET || INET6
 
 extern vm_map_t mb_map;
 
 #if INET || INET6

-extern u_long   tcp_sendspace;
-extern u_long   tcp_recvspace;
+extern uint32_t   tcp_sendspace;
+extern uint32_t   tcp_recvspace;

 #endif
 
 void            bsd_bufferinit(void) __attribute__((section("__TEXT, initcode")));
 extern void     md_prepare_for_shutdown(int, int, char *);
 
 #endif
 
 void            bsd_bufferinit(void) __attribute__((section("__TEXT, initcode")));
 extern void     md_prepare_for_shutdown(int, int, char *);
 

-int            bsd_mbuf_cluster_reserve(void);
+unsigned int   bsd_mbuf_cluster_reserve(boolean_t *);
+void bsd_srv_setup(int);
+void bsd_exec_setup(int);

 
 /*
  * Declare these as initialized data so we can patch them.
 
 /*
  * Declare these as initialized data so we can patch them.


@@ -81,10 +87,11 @@ SYSCTL_INT (_kern, OID_AUTO, maxnbuf, CTLFLAG_RW, &max_nbuf_headers, 0, "");
 __private_extern__ int customnbuf = 0;
 int             srv = 0;       /* Flag indicates a server boot when set */
 int             ncl = 0;
 __private_extern__ int customnbuf = 0;
 int             srv = 0;       /* Flag indicates a server boot when set */
 int             ncl = 0;

+static unsigned int mbuf_poolsz;

 
 vm_map_t        buffer_map;
 vm_map_t        bufferhdr_map;
 
 vm_map_t        buffer_map;
 vm_map_t        bufferhdr_map;

-
+static int vnodes_sized = 0;

 
 extern void     bsd_startupearly(void) __attribute__((section("__TEXT, initcode")));
 
 
 extern void     bsd_startupearly(void) __attribute__((section("__TEXT, initcode")));
 


@@ -97,7 +104,7 @@ bsd_startupearly(void)
 
        /* clip the number of buf headers upto 16k */
        if (max_nbuf_headers == 0)
 
        /* clip the number of buf headers upto 16k */
        if (max_nbuf_headers == 0)

-               max_nbuf_headers = atop(sane_size / 50);        /* Get 2% of ram, but no more than we can map */
+               max_nbuf_headers = atop_kernel(sane_size / 50); /* Get 2% of ram, but no more than we can map */

        if ((customnbuf == 0) && (max_nbuf_headers > 16384))
                max_nbuf_headers = 16384;
        if (max_nbuf_headers < CONFIG_MIN_NBUF)
        if ((customnbuf == 0) && (max_nbuf_headers > 16384))
                max_nbuf_headers = 16384;
        if (max_nbuf_headers < CONFIG_MIN_NBUF)


@@ -105,7 +112,7 @@ bsd_startupearly(void)
 
        /* clip the number of hash elements  to 200000 */
        if ( (customnbuf == 0 ) && nbuf_hashelements == 0) {
 
        /* clip the number of hash elements  to 200000 */
        if ( (customnbuf == 0 ) && nbuf_hashelements == 0) {

-               nbuf_hashelements = atop(sane_size / 50);
+               nbuf_hashelements = atop_kernel(sane_size / 50);

                if (nbuf_hashelements > 200000)
                        nbuf_hashelements = 200000;
        } else
                if (nbuf_hashelements > 200000)
                        nbuf_hashelements = 200000;
        } else


@@ -145,24 +152,30 @@ bsd_startupearly(void)
 
 #if SOCKETS
        {
 
 #if SOCKETS
        {

+#if CONFIG_USESOCKTHRESHOLD
+               static const unsigned int       maxspace = 64 * 1024;
+#else
+               static const unsigned int       maxspace = 128 * 1024;
+#endif

                int             scale;
 
                int             scale;
 

-               nmbclusters = bsd_mbuf_cluster_reserve() / MCLBYTES;
+               nmbclusters = bsd_mbuf_cluster_reserve(NULL) / MCLBYTES;

 
 #if INET || INET6
                if ((scale = nmbclusters / NMBCLUSTERS) > 1) {
                        tcp_sendspace *= scale;
                        tcp_recvspace *= scale;
 
 
 #if INET || INET6
                if ((scale = nmbclusters / NMBCLUSTERS) > 1) {
                        tcp_sendspace *= scale;
                        tcp_recvspace *= scale;
 

-                       if (tcp_sendspace > (64 * 1024))
-                               tcp_sendspace = 64 * 1024;
-                       if (tcp_recvspace > (64 * 1024))
-                               tcp_recvspace = 64 * 1024;
+                       if (tcp_sendspace > maxspace)
+                               tcp_sendspace = maxspace;
+                       if (tcp_recvspace > maxspace)
+                               tcp_recvspace = maxspace;

                }
 #endif /* INET || INET6 */
        }
 #endif /* SOCKETS */
 
                }
 #endif /* INET || INET6 */
        }
 #endif /* SOCKETS */
 

+       if (vnodes_sized == 0) {

        /*
         * Size vnodes based on memory 
         * Number vnodes  is (memsize/64k) + 1024 
        /*
         * Size vnodes based on memory 
         * Number vnodes  is (memsize/64k) + 1024 


@@ -175,6 +188,7 @@ bsd_startupearly(void)
        desiredvnodes  = (sane_size/65536) + 1024;
        if (desiredvnodes > CONFIG_VNODES)
                desiredvnodes = CONFIG_VNODES;
        desiredvnodes  = (sane_size/65536) + 1024;
        if (desiredvnodes > CONFIG_VNODES)
                desiredvnodes = CONFIG_VNODES;

+       }

 }
 
 void
 }
 
 void


@@ -182,7 +196,10 @@ bsd_bufferinit(void)
 {
        kern_return_t   ret;
 
 {
        kern_return_t   ret;
 

-       cons.t_dev = makedev(12, 0);
+       /*
+        * Note: Console device initialized in kminit() from bsd_autoconf()
+        * prior to call to us in bsd_init().
+        */

 
        bsd_startupearly();
 
 
        bsd_startupearly();
 


@@ -204,6 +221,13 @@ bsd_bufferinit(void)
        bufinit();
 }
 
        bufinit();
 }
 

+/* 512 MB (K32) or 2 GB (K64) hard limit on size of the mbuf pool */
+#if !defined(__LP64__)
+#define        MAX_MBUF_POOL   (512 << MBSHIFT)
+#else
+#define        MAX_MBUF_POOL   (2ULL << GBSHIFT)
+#endif /* !__LP64__ */
+#define        MAX_NCL         (MAX_MBUF_POOL >> MCLSHIFT)

 
 /*
  * this has been broken out into a separate routine that
 
 /*
  * this has been broken out into a separate routine that


@@ -212,19 +236,98 @@ bsd_bufferinit(void)
  * DMA hardware that can't fully address all of the physical
  * memory that is present.
  */
  * DMA hardware that can't fully address all of the physical
  * memory that is present.
  */

-int
-bsd_mbuf_cluster_reserve(void)
+unsigned int
+bsd_mbuf_cluster_reserve(boolean_t *overridden)

 {
 {

-        if (sane_size > (64 * 1024 * 1024) || ncl) {
+       int mbuf_pool = 0;
+       static boolean_t was_overridden = FALSE;
+
+       /* If called more than once, return the previously calculated size */
+       if (mbuf_poolsz != 0)
+               goto done;
+
+       /*
+        * Some of these are parsed in parse_bsd_args(), but for x86 we get
+        * here early from i386_vm_init() and so we parse them now, in order
+        * to correctly compute the size of the low-memory VM pool.  It is
+        * redundant but rather harmless.
+        */
+       //(void) PE_parse_boot_argn("srv", &srv, sizeof (srv));
+       (void) PE_parse_boot_argn("ncl", &ncl, sizeof (ncl));
+       (void) PE_parse_boot_argn("mbuf_pool", &mbuf_pool, sizeof (mbuf_pool));
+
+       /*
+        * Convert "mbuf_pool" from MB to # of 2KB clusters; it is
+        * equivalent to "ncl", except that it uses different unit.
+        */
+       if (mbuf_pool != 0)
+               ncl = (mbuf_pool << MBSHIFT) >> MCLSHIFT;
+
+        if (sane_size > (64 * 1024 * 1024) || ncl != 0) {
+
+               if (ncl || srv)
+                       was_overridden = TRUE;

 
                if ((nmbclusters = ncl) == 0) {
 
                if ((nmbclusters = ncl) == 0) {

-                       if ((nmbclusters = ((sane_size / 16)/MCLBYTES)) > 32768)
-                               nmbclusters = 32768;
+                       /* Auto-configure the mbuf pool size */
+                       nmbclusters = mbuf_default_ncl(srv, sane_size);
+               } else {
+                       /* Make sure it's not odd in case ncl is manually set */
+                       if (nmbclusters & 0x1)
+                               --nmbclusters;
+
+                       /* And obey the upper limit */
+                       if (nmbclusters > MAX_NCL)
+                               nmbclusters = MAX_NCL;

                }
                }

-               /* Make sure it's not odd in case ncl is manually set */
-               if (nmbclusters & 0x1)
-                       --nmbclusters;

        }
        }

+       mbuf_poolsz = nmbclusters << MCLSHIFT;
+done:
+       if (overridden)
+               *overridden = was_overridden;
+
+       return (mbuf_poolsz);
+}
+#if defined(__LP64__)
+extern int tcp_tcbhashsize;
+extern int max_cached_sock_count;
+void IOSleep(int);
+#endif 
+

 
 

-       return (nmbclusters * MCLBYTES);
+void
+bsd_srv_setup(int scale)
+{
+#if defined(__LP64__)
+       /* if memory is more than 16G, then apply rules for processes */
+       if (scale >  0) {
+               maxproc = 2500 * scale;
+               hard_maxproc = maxproc;
+               /* no fp usage */
+               maxprocperuid = (maxproc*3)/4;
+               maxfiles = (150000 * scale);
+               maxfilesperproc = maxfiles/2;
+               desiredvnodes = maxfiles;
+               vnodes_sized = 1;
+               if (scale > 4) {
+                       /* clip them at 32G level */
+                       somaxconn = 2048;
+                       /* 64G or more the hash size is 32k */
+                       if (scale > 7) {
+                               /* clip at 64G level */
+                               tcp_tcbhashsize = 16 *1024;
+                               max_cached_sock_count = 165000;
+                       } else {
+                               tcp_tcbhashsize = 32 *1024;
+                               max_cached_sock_count = 60000 + ((scale-1) * 15000);
+                       }
+               } else {
+                       somaxconn = 512*scale;
+                       tcp_tcbhashsize = 4*1024*scale;
+                       max_cached_sock_count = 60000 + ((scale-1) * 15000);
+               }
+       }
+#endif
+       bsd_exec_setup(scale);

 }
 }

+