1 #include <stdint.h>
2 #include <string.h>
3 #include <stdlib.h>
4 #include <stdio.h>
5 #include <errno.h>
6 #include <gpxe/sanboot.h>
7 #include <int13.h>
8 #include <gpxe/srp.h>
9 #include <gpxe/sbft.h>
10
11 FILE_LICENCE ( GPL2_OR_LATER );
12
ib_srpboot(const char * root_path)13 static int ib_srpboot ( const char *root_path ) {
14 struct scsi_device *scsi;
15 struct int13_drive *drive;
16 int rc;
17
18 scsi = zalloc ( sizeof ( *scsi ) );
19 if ( ! scsi ) {
20 rc = -ENOMEM;
21 goto err_alloc_scsi;
22 }
23 drive = zalloc ( sizeof ( *drive ) );
24 if ( ! drive ) {
25 rc = -ENOMEM;
26 goto err_alloc_drive;
27 }
28
29 if ( ( rc = srp_attach ( scsi, root_path ) ) != 0 ) {
30 printf ( "Could not attach IB_SRP device: %s\n",
31 strerror ( rc ) );
32 goto err_attach;
33 }
34 if ( ( rc = init_scsidev ( scsi ) ) != 0 ) {
35 printf ( "Could not initialise IB_SRP device: %s\n",
36 strerror ( rc ) );
37 goto err_init;
38 }
39
40 drive->blockdev = &scsi->blockdev;
41
42 /* FIXME: ugly, ugly hack */
43 struct srp_device *srp =
44 container_of ( scsi->backend, struct srp_device, refcnt );
45 sbft_fill_data ( srp );
46
47 register_int13_drive ( drive );
48 printf ( "Registered as BIOS drive %#02x\n", drive->drive );
49 printf ( "Booting from BIOS drive %#02x\n", drive->drive );
50 rc = int13_boot ( drive->drive );
51 printf ( "Boot failed\n" );
52
53 /* Leave drive registered, if instructed to do so */
54 if ( keep_san() )
55 return rc;
56
57 printf ( "Unregistering BIOS drive %#02x\n", drive->drive );
58 unregister_int13_drive ( drive );
59
60 err_init:
61 srp_detach ( scsi );
62 err_attach:
63 free ( drive );
64 err_alloc_drive:
65 free ( scsi );
66 err_alloc_scsi:
67 return rc;
68 }
69
70 struct sanboot_protocol ib_srp_sanboot_protocol __sanboot_protocol = {
71 .prefix = "ib_srp:",
72 .boot = ib_srpboot,
73 };
74