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blockdev: prepare iSCSI block driver for dynamic loading 

This commit moves the initialization of the QemuOptsList qemu_iscsi_opts
struct out of block/iscsi.c in order to allow the iscsi module to be
dynamically loaded.

Signed-off-by: Colin Lord <clord@redhat.com>
Reviewed-by: Fam Zheng <famz@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 1471008424-16465-2-git-send-email-clord@redhat.com
Reviewed-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
This commit is contained in:
Colin Lord 2016-08-12 09:27:01 -04:00 committed by Max Reitz
parent f7c1553388
commit f57b4b5fb1
2 changed files with 40 additions and 36 deletions
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36
block/iscsi.c
View File

@ -2010,45 +2010,9 @@ static BlockDriver bdrv_iscsi = {
.bdrv_attach_aio_context = iscsi_attach_aio_context, .bdrv_attach_aio_context = iscsi_attach_aio_context,
}; };
static QemuOptsList qemu_iscsi_opts = {
.name = "iscsi",
.head = QTAILQ_HEAD_INITIALIZER(qemu_iscsi_opts.head),
.desc = {
{
.name = "user",
.type = QEMU_OPT_STRING,
.help = "username for CHAP authentication to target",
},{
.name = "password",
.type = QEMU_OPT_STRING,
.help = "password for CHAP authentication to target",
},{
.name = "password-secret",
.type = QEMU_OPT_STRING,
.help = "ID of the secret providing password for CHAP "
"authentication to target",
},{
.name = "header-digest",
.type = QEMU_OPT_STRING,
.help = "HeaderDigest setting. "
"{CRC32C|CRC32C-NONE|NONE-CRC32C|NONE}",
},{
.name = "initiator-name",
.type = QEMU_OPT_STRING,
.help = "Initiator iqn name to use when connecting",
},{
.name = "timeout",
.type = QEMU_OPT_NUMBER,
.help = "Request timeout in seconds (default 0 = no timeout)",
},
{ /* end of list */ }
},
};
static void iscsi_block_init(void) static void iscsi_block_init(void)
{ {
bdrv_register(&bdrv_iscsi); bdrv_register(&bdrv_iscsi);
qemu_add_opts(&qemu_iscsi_opts);
} }
block_init(iscsi_block_init); block_init(iscsi_block_init);

40
vl.c
View File

@ -507,6 +507,43 @@ static QemuOptsList qemu_fw_cfg_opts = {
}, },
}; };
#ifdef CONFIG_LIBISCSI
static QemuOptsList qemu_iscsi_opts = {
.name = "iscsi",
.head = QTAILQ_HEAD_INITIALIZER(qemu_iscsi_opts.head),
.desc = {
{
.name = "user",
.type = QEMU_OPT_STRING,
.help = "username for CHAP authentication to target",
},{
.name = "password",
.type = QEMU_OPT_STRING,
.help = "password for CHAP authentication to target",
},{
.name = "password-secret",
.type = QEMU_OPT_STRING,
.help = "ID of the secret providing password for CHAP "
"authentication to target",
},{
.name = "header-digest",
.type = QEMU_OPT_STRING,
.help = "HeaderDigest setting. "
"{CRC32C|CRC32C-NONE|NONE-CRC32C|NONE}",
},{
.name = "initiator-name",
.type = QEMU_OPT_STRING,
.help = "Initiator iqn name to use when connecting",
},{
.name = "timeout",
.type = QEMU_OPT_NUMBER,
.help = "Request timeout in seconds (default 0 = no timeout)",
},
{ /* end of list */ }
},
};
#endif
/** /**
* Get machine options * Get machine options
* *
@ -3017,6 +3054,9 @@ int main(int argc, char **argv, char **envp)
qemu_add_opts(&qemu_icount_opts); qemu_add_opts(&qemu_icount_opts);
qemu_add_opts(&qemu_semihosting_config_opts); qemu_add_opts(&qemu_semihosting_config_opts);
qemu_add_opts(&qemu_fw_cfg_opts); qemu_add_opts(&qemu_fw_cfg_opts);
#ifdef CONFIG_LIBISCSI
qemu_add_opts(&qemu_iscsi_opts);
#endif
module_call_init(MODULE_INIT_OPTS); module_call_init(MODULE_INIT_OPTS);
runstate_init(); runstate_init();