X-Git-Url: http://git.ozlabs.org/?p=yaboot.git;a=blobdiff_plain;f=include%2Fprom.h;h=a512f2be5a4d1db15a144dfc3e256ce81eb0bc93;hp=546d082e4a26cf63c719b57895166ebd9b32f23a;hb=a01ba048668c5a7e5efa2aa41eeb0a3ed374a63a;hpb=8d5a42062f8b88eaea91434e53973ce9f55589d9

diff --git a/include/prom.h b/include/prom.h
index 546d082..a512f2b 100644
--- a/include/prom.h
+++ b/include/prom.h
@@ -1,28 +1,33 @@
 /*
-    Definitions for talking to the Open Firmware PROM on
-    Power Macintosh computers.
-
-    Copyright (C) 1999 Marius Vollmer
-    Copyright (C) 1996 Paul Mackerras.
-
-    This program is free software; you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation; either version 2 of the License, or
-    (at your option) any later version.
-
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
-
-    You should have received a copy of the GNU General Public License
-    along with this program; if not, write to the Free Software
-    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
-*/
+ *  prom.h - Routines for talking to the Open Firmware PROM
+ *
+ *  Copyright (C) 2001 Ethan Benson
+ *
+ *  Copyright (C) 1999 Benjamin Herrenschmidt
+ *
+ *  Copyright (C) 1999 Marius Vollmer
+ *
+ *  Copyright (C) 1996 Paul Mackerras.
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ */
 
 #ifndef PROM_H
 #define PROM_H
 
+#include "types.h"
 #include "stdarg.h"
 
 typedef void *prom_handle;
@@ -30,6 +35,12 @@ typedef void *ihandle;
 typedef void *phandle;
 
 #define PROM_INVALID_HANDLE	((prom_handle)-1UL)
+#define BOOTDEVSZ               (2048) /* iscsi args can be in excess of 1040 bytes */
+#define TOK_ISCSI               "iscsi"
+#define TOK_IPV6                "ipv6"
+#define PROM_CLAIM_MAX_ADDR	0x8000000
+#define BOOTLASTSZ		1024
+#define FW_NBR_REBOOTSZ		4
 
 struct prom_args;
 typedef int (*prom_entry)(struct prom_args *);
@@ -78,6 +89,7 @@ int prom_set_color(prom_handle device, int color, int r, int g, int b);
 
 /* memory */
 
+void *prom_claim_chunk(void *virt, unsigned int size, unsigned int align);
 void *prom_claim (void *virt, unsigned int size, unsigned int align);
 void prom_release(void *virt, unsigned int size);
 void prom_map (void *phys, void *virt, int size);
@@ -87,6 +99,9 @@ void prom_map (void *phys, void *virt, int size);
 prom_handle prom_finddevice (char *name);
 prom_handle prom_findpackage (char *path);
 int prom_getprop (prom_handle dev, char *name, void *buf, int len);
+int prom_setprop (prom_handle dev, char *name, void *buf, int len);
+int prom_getproplen(prom_handle, const char *);
+int prom_get_devtype (char *device);
 
 /* misc */
 
@@ -101,6 +116,7 @@ int prom_interpret (char *forth);
 
 int prom_get_chosen (char *name, void *mem, int len);
 int prom_get_options (char *name, void *mem, int len);
+int prom_set_options (char *name, void *mem, int len);
 
 extern int prom_getms(void);
 extern void prom_pause(void);
@@ -108,4 +124,40 @@ extern void prom_pause(void);
 extern void *call_prom (const char *service, int nargs, int nret, ...);
 extern void *call_prom_return (const char *service, int nargs, int nret, ...);
 
+/* Netboot stuffs */
+
+/*
+ * "bootp-response" is the property name which is specified in
+ * the recommended practice doc for obp-tftp. However, pmac
+ * provides a "dhcp-response" property and chrp provides a
+ * "bootpreply-packet" property.  The latter appears to begin the
+ * bootp packet at offset 0x2a in the property for some reason.
+ */
+
+struct bootp_property_offset {
+     char *name; /* property name */
+     int offset; /* offset into property where bootp packet occurs */
+};
+
+static const struct bootp_property_offset bootp_response_properties[] = {
+     { .name = "bootp-response", .offset = 0 },
+     { .name = "dhcp-response", .offset = 0 },
+     { .name = "bootpreply-packet", .offset = 0x2a },
+};
+
+struct bootp_packet {
+     __u8 op, htype, hlen, hops;
+     __u32 xid;
+     __u16 secs, flags;
+     __u32 ciaddr, yiaddr, siaddr, giaddr;
+     unsigned char chaddr[16];
+     unsigned char sname[64];
+     unsigned char file[128];
+     unsigned char options[]; /* vendor options */
+};
+
+struct bootp_packet * prom_get_netinfo (void);
+char * prom_get_mac (struct bootp_packet * packet);
+char * prom_get_ip (struct bootp_packet * packet);
+
 #endif