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Allow an AoE boot to be directed via DHCP, so that we have a proof of

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concept demo that actually does something useful.
This commit is contained in:
Michael Brown 2006-07-20 14:15:23 +00:00
parent 3085f03ad4
commit a92d242008
2 changed files with 52 additions and 4 deletions
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32
src/tests/aoeboot.c
View File

@ -1,4 +1,5 @@
#include <stdint.h>
#include <stdlib.h>
#include <vsprintf.h>
#include <console.h>
#include <gpxe/netdevice.h>
@ -12,13 +13,39 @@ static struct aoe_device test_aoedev = {
},
};
int test_aoeboot ( struct net_device *netdev ) {
static int aoe_parse ( const char *aoename, struct aoe_session *aoe ) {
char *ptr = ( ( char * ) aoename );
if ( *ptr++ != 'e' )
return -EINVAL;
aoe->major = strtoul ( ptr, &ptr, 10 );
if ( *ptr++ != '.' )
return -EINVAL;
aoe->minor = strtoul ( ptr, &ptr, 10 );
if ( *ptr )
return -EINVAL;
return 0;
}
int test_aoeboot ( struct net_device *netdev, const char *aoename,
unsigned int drivenum ) {
struct int13_drive drive;
int rc;
test_aoedev.aoe.netdev = netdev;
printf ( "Attempting to boot from AoE device %s via %s\n",
aoename, netdev_name ( netdev ) );
if ( ( rc = aoe_parse ( aoename, &test_aoedev.aoe ) ) != 0 ) {
printf ( "Invalid AoE device name \"%s\"\n", aoename );
return rc;
}
printf ( "Initialising AoE device e%d.%d\n",
test_aoedev.aoe.major, test_aoedev.aoe.minor );
test_aoedev.aoe.netdev = netdev;
if ( ( rc = init_aoedev ( &test_aoedev ) ) != 0 ) {
printf ( "Could not reach AoE device e%d.%d\n",
test_aoedev.aoe.major, test_aoedev.aoe.minor );
@ -26,6 +53,7 @@ int test_aoeboot ( struct net_device *netdev ) {
}
memset ( &drive, 0, sizeof ( drive ) );
drive.drive = drivenum;
drive.blockdev = &test_aoedev.ata.blockdev;
register_int13_drive ( &drive );
printf ( "Registered AoE device e%d.%d as BIOS drive %#02x\n",

24
src/tests/dhcptest.c
View File

@ -9,6 +9,7 @@ int test_dhcp ( struct net_device *netdev ) {
struct in_addr address = { htonl ( 0 ) };
struct in_addr netmask = { htonl ( 0 ) };
struct in_addr gateway = { INADDR_NONE };
char filename[256];
int rc;
/* Bring IP interface up with address 0.0.0.0 */
@ -34,8 +35,14 @@ int test_dhcp ( struct net_device *netdev ) {
printf ( " netmask %s", inet_ntoa ( netmask ) );
printf ( " gateway %s\n", inet_ntoa ( gateway ) );
printf ( "Lease time is %ld seconds\n",
find_global_dhcp_num_option ( DHCP_LEASE_TIME ) );
dhcp_snprintf ( filename, sizeof ( filename ),
find_global_dhcp_option ( DHCP_BOOTFILE_NAME ) );
if ( ! filename[0] ) {
printf ( "No filename specified!\n" );
goto out;
}
printf ( "Bootfile name %s\n", filename );
/* Remove old IP address configuration */
del_ipv4_address ( netdev );
@ -45,6 +52,19 @@ int test_dhcp ( struct net_device *netdev ) {
gateway ) ) != 0 )
goto out_no_del_ipv4;
/* Proof of concept: check for "aoe:" prefix and if found, do
* test AoE boot with AoE options.
*/
if ( strncmp ( filename, "aoe:", 4 ) == 0 ) {
unsigned int drivenum;
drivenum = find_global_dhcp_num_option ( DHCP_EB_BIOS_DRIVE );
test_aoeboot ( netdev, &filename[4], drivenum );
} else {
printf ( "Don't know how to boot %s\n", filename );
}
out:
/* Unregister and free DHCP options */
unregister_dhcp_options ( dhcp.options );
free_dhcp_options ( dhcp.options );