/*
- * 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@
*
#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 <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 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 *);
-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.
__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;
-
+static int vnodes_sized = 0;
extern void bsd_startupearly(void) __attribute__((section("__TEXT, initcode")));
/* 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)
/* 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 SOCKETS
{
+#if CONFIG_USESOCKTHRESHOLD
+ static const unsigned int maxspace = 64 * 1024;
+#else
+ static const unsigned int maxspace = 128 * 1024;
+#endif
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 (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 */
+ if (vnodes_sized == 0) {
/*
* Size vnodes based on memory
* Number vnodes is (memsize/64k) + 1024
desiredvnodes = (sane_size/65536) + 1024;
if (desiredvnodes > CONFIG_VNODES)
desiredvnodes = CONFIG_VNODES;
+ }
}
void
{
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();
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
* 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 = ((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);
}
+
projects / apple / xnu.git / blobdiff