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authorRonnie Sahlberg <ronniesahlberg@gmail.com>2011-10-25 19:24:24 +1100
committerKevin Wolf <kwolf@redhat.com>2011-10-28 19:25:48 +0200
commitc589b24972794a92fe3b5d6b9f4f09ef29e95460 (patch)
tree4bfaa04a68297dc7a36fa8ed52011be535df3946 /trace-events
parentb5a12aa204f842c8010ac9d2e4b115114dbf09f0 (diff)
iSCSI block driver
This provides built-in support for iSCSI to QEMU. This has the advantage that the iSCSI devices need not be made visible to the host, which is useful if you have very many virtual machines and very many iscsi devices. It also has the benefit that non-root users of QEMU can access iSCSI devices across the network without requiring root privilege on the host. This driver interfaces with the multiplatform posix library for iscsi initiator/client access to iscsi devices hosted at git://github.com/sahlberg/libiscsi.git The patch adds the driver to interface with the iscsi library. It also updated the configure script to * by default, probe is libiscsi is available and if so, build qemu against libiscsi. * --enable-libiscsi Force a build against libiscsi. If libiscsi is not available the build will fail. * --disable-libiscsi Do not link against libiscsi, even if it is available. When linked with libiscsi, qemu gains support to access iscsi resources such as disks and cdrom directly, without having to make the devices visible to the host. You can specify devices using a iscsi url of the form : iscsi://[<username>[:<password>@]]<host>[:<port]/<target-iqn-name>/<lun> When using authentication, the password can optionally be set with LIBISCSI_CHAP_PASSWORD="password" to avoid it showing up in the process list Signed-off-by: Ronnie Sahlberg <ronniesahlberg@gmail.com> Reviewed-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'trace-events')
-rw-r--r--trace-events6
1 files changed, 6 insertions, 0 deletions
diff --git a/trace-events b/trace-events
index 820b1d6ee..a8880550b 100644
--- a/trace-events
+++ b/trace-events
@@ -505,6 +505,12 @@ escc_sunkbd_event_out(int ch) "Translated keycode %2.2x"
escc_kbd_command(int val) "Command %d"
escc_sunmouse_event(int dx, int dy, int buttons_state) "dx=%d dy=%d buttons=%01x"
+# block/iscsi.c
+iscsi_aio_write10_cb(void *iscsi, int status, void *acb, int canceled) "iscsi %p status %d acb %p canceled %d"
+iscsi_aio_writev(void *iscsi, int64_t sector_num, int nb_sectors, void *opaque, void *acb) "iscsi %p sector_num %"PRId64" nb_sectors %d opaque %p acb %p"
+iscsi_aio_read10_cb(void *iscsi, int status, void *acb, int canceled) "iscsi %p status %d acb %p canceled %d"
+iscsi_aio_readv(void *iscsi, int64_t sector_num, int nb_sectors, void *opaque, void *acb) "iscsi %p sector_num %"PRId64" nb_sectors %d opaque %p acb %p"
+
# hw/esp.c
esp_raise_irq(void) "Raise IRQ"
esp_lower_irq(void) "Lower IRQ"