scsi: fix minor typos

Signed-off-by: Manos Pitsidianakis <manos.pitsidianakis@linaro.org>

vhost-device-scsi/README.md

@@ -16,7 +16,7 @@ Run QEMU:
 qemu-system-x86_64 ... \
   -device vhost-user-scsi-pci,num_queues=1,param_change=off,chardev=vus \
   -chardev socket,id=vus,path=/tmp/vhost-user-scsi.sock \
-  # must match total guest meory
+  # must match total guest memory
   -object memory-backend-memfd,id=mem,size=384M,share=on \
   -numa node,memdev=mem
 ```

vhost-device-scsi/src/scsi/emulation/block_device.rs

@@ -758,7 +758,7 @@ impl<T: BlockDeviceBackend> LogicalUnit for BlockDevice<T> {
                         Ok(CmdOutput::ok())
                     }
                     SenseFormat::Descriptor => {
-                        // Don't support desciptor format.
+                        // Don't support descriptor format.
                         Ok(CmdOutput::check_condition(sense::INVALID_FIELD_IN_CDB))
                     }
                 }

vhost-device-scsi/src/scsi/emulation/command.rs

@@ -512,7 +512,7 @@ impl Cdb {
                 let evpd = match cdb[1] {
                     0 => false,
                     1 => true,
-                    // obselete or reserved bits set
+                    // obsolete or reserved bits set
                     _ => return Err(ParseError::InvalidField),
                 };
                 let page_code_raw = cdb[2];

vhost-device-scsi/src/scsi/emulation/missing_lun.rs

@@ -49,7 +49,7 @@ impl LogicalUnit for MissingLun {
                         Ok(CmdOutput::ok())
                     }
                     SenseFormat::Descriptor => {
-                        // Don't support desciptor format.
+                        // Don't support descriptor format.
                         Ok(CmdOutput::check_condition(sense::INVALID_FIELD_IN_CDB))
                     }
                 }

vhost-device-scsi/src/scsi/emulation/response_data.rs

@@ -73,7 +73,7 @@ pub fn respond_standard_inquiry_data(data_in: &mut impl Write) -> io::Result<()>
         // bits: don't support NormACA, support modern LUN format
         // INQUIRY data version 2
         0b0001_0000 | 0x2,
-        91, // additional INQURIY data length
+        91, // additional INQUIRY data length
         // bunch of feature bits we don't support:
         0,
         0,

vhost-device-scsi/src/scsi/emulation/tests/bad_lun.rs

@@ -50,8 +50,8 @@ fn test_report_luns_empty() {
         target.add_lun(Box::new(dev));
     }
 
-    // well-known only and several modes explictly defined to return an empty list
-    // for all but ceratin types of recieving LUNs
+    // well-known only and several modes explicitly defined to return an empty list
+    // for all but ceratin types of receiving LUNs
     let select_reports = &[0x1, 0x10, 0x11, 0x12];
 
     for &sr in select_reports {

vhost-device-scsi/src/scsi/emulation/tests/generic.rs

@@ -36,7 +36,7 @@ fn test_invalid_service_action() {
     do_command_fail(
         &mut target,
         &[
-            0xa3, // MAINTAINANCE IN
+            0xa3, // MAINTENANCE IN
             0x1f, // vendor specific, unused by us
             0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
         ],

vhost-device-scsi/src/scsi/emulation/tests/mod.rs

@@ -447,7 +447,7 @@ fn test_inquiry() {
         &[],
         // some empty comments to get rustfmt to do something vaguely sensible
         &[
-            0,    // accessible; direct acccess block device
+            0,    // accessible; direct access block device
             0,    // features
             0x7,  // version
             0x12, // response data format v2, HiSup = 1

vhost-device-scsi/src/scsi/sense.rs

@@ -14,8 +14,8 @@ impl SenseTriple {
             0x0, 0x0, 0x0, 0x0,    // cmd-specific information
             self.1, // asc
             self.2, // ascq
-            0x0,    // field-replacable unit code
-            0x0, 0x0, 0x0, // sense-key-sepcific information
+            0x0,    // field-replaceable unit code
+            0x0, 0x0, 0x0, // sense-key-specific information
         ]
     }
 }

vhost-device-scsi/src/vhu_scsi.rs

@@ -142,7 +142,7 @@ impl VhostUserScsiBackend {
             }
             Err(RequestParseError::CouldNotReadGuestMemory(e)) => {
                 // See comment later about errors while writing to guest mem; maybe we at least
-                // got functional write desciptors, so we can report an error
+                // got functional write descriptors, so we can report an error
                 error!("Error reading request from guest memory: {:?}", e);
                 Response::error(ResponseCode::Failure, body_writer.residual())
             }

vhost-device-scsi/src/virtio.rs

@@ -183,7 +183,7 @@ where
             .current
             .is_some_and(|current| self.offset >= current.len())
         {
-            let current = self.current.expect("loop condition ensures existance");
+            let current = self.current.expect("loop condition ensures existence");
             self.offset -= current.len();
             self.current = self.iter.next();
         }