diff --git a/crates/sound/src/virtio_sound.rs b/crates/sound/src/virtio_sound.rs
index 60f9139..e38ddc7 100644
--- a/crates/sound/src/virtio_sound.rs
+++ b/crates/sound/src/virtio_sound.rs
@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: Apache-2.0 or BSD-3-Clause
 #![allow(dead_code)] //TODO: remove
 
-use vm_memory::{ByteValued, Le32};
+use vm_memory::{ByteValued, Le32, Le64};
 
 // virtqueues
 
@@ -51,6 +51,106 @@ pub const VIRTIO_SND_S_IO_ERR: u32 = 0x8003;
 pub const VIRTIO_SND_D_OUTPUT: u32 = 0;
 pub const VIRTIO_SND_D_INPUT: u32 = 1;
 
+// supported jack features
+
+pub const VIRTIO_SND_JACK_F_REMAP: u32 = 0;
+
+// supported PCM stream features
+
+pub const VIRTIO_SND_PCM_F_SHMEM_HOST: u8 = 0;
+pub const VIRTIO_SND_PCM_F_SHMEM_GUEST: u8 = 1;
+pub const VIRTIO_SND_PCM_F_MSG_POLLING: u8 = 2;
+pub const VIRTIO_SND_PCM_F_EVT_SHMEM_PERIODS: u8 = 3;
+pub const VIRTIO_SND_PCM_F_EVT_XRUNS: u8 = 4;
+
+// supported PCM sample formats
+
+pub const VIRTIO_SND_PCM_FMT_IMA_ADPCM: u8 = 0;
+pub const VIRTIO_SND_PCM_FMT_MU_LAW: u8 = 1;
+pub const VIRTIO_SND_PCM_FMT_A_LAW: u8 = 2;
+pub const VIRTIO_SND_PCM_FMT_S8: u8 = 3;
+pub const VIRTIO_SND_PCM_FMT_U8: u8 = 4;
+pub const VIRTIO_SND_PCM_FMT_S16: u8 = 5;
+pub const VIRTIO_SND_PCM_FMT_U16: u8 = 6;
+pub const VIRTIO_SND_PCM_FMT_S18_3: u8 = 7;
+pub const VIRTIO_SND_PCM_FMT_U18_3: u8 = 8;
+pub const VIRTIO_SND_PCM_FMT_S20_3: u8 = 9;
+pub const VIRTIO_SND_PCM_FMT_U20_3: u8 = 10;
+pub const VIRTIO_SND_PCM_FMT_S24_3: u8 = 11;
+pub const VIRTIO_SND_PCM_FMT_U24_3: u8 = 12;
+pub const VIRTIO_SND_PCM_FMT_S20: u8 = 13;
+pub const VIRTIO_SND_PCM_FMT_U20: u8 = 14;
+pub const VIRTIO_SND_PCM_FMT_S24: u8 = 15;
+pub const VIRTIO_SND_PCM_FMT_U24: u8 = 16;
+pub const VIRTIO_SND_PCM_FMT_S32: u8 = 17;
+pub const VIRTIO_SND_PCM_FMT_U32: u8 = 18;
+pub const VIRTIO_SND_PCM_FMT_FLOAT: u8 = 19;
+pub const VIRTIO_SND_PCM_FMT_FLOAT64: u8 = 20;
+// digital formats (width / physical width)
+pub const VIRTIO_SND_PCM_FMT_DSD_U8: u8 = 21;
+pub const VIRTIO_SND_PCM_FMT_DSD_U16: u8 = 22;
+pub const VIRTIO_SND_PCM_FMT_DSD_U32: u8 = 23;
+pub const VIRTIO_SND_PCM_FMT_IEC958_SUBFRAME: u8 = 24;
+
+// supported PCM frame rates
+
+pub const VIRTIO_SND_PCM_RATE_5512: u8 = 0;
+pub const VIRTIO_SND_PCM_RATE_8000: u8 = 1;
+pub const VIRTIO_SND_PCM_RATE_11025: u8 = 2;
+pub const VIRTIO_SND_PCM_RATE_16000: u8 = 3;
+pub const VIRTIO_SND_PCM_RATE_22050: u8 = 4;
+pub const VIRTIO_SND_PCM_RATE_32000: u8 = 5;
+pub const VIRTIO_SND_PCM_RATE_44100: u8 = 6;
+pub const VIRTIO_SND_PCM_RATE_48000: u8 = 7;
+pub const VIRTIO_SND_PCM_RATE_64000: u8 = 8;
+pub const VIRTIO_SND_PCM_RATE_88200: u8 = 9;
+pub const VIRTIO_SND_PCM_RATE_96000: u8 = 10;
+pub const VIRTIO_SND_PCM_RATE_176400: u8 = 11;
+pub const VIRTIO_SND_PCM_RATE_192000: u8 = 12;
+pub const VIRTIO_SND_PCM_RATE_384000: u8 = 13;
+
+// standard channel position definition
+
+pub const VIRTIO_SND_CHMAP_NONE: u8 = 0; /* undefined */
+pub const VIRTIO_SND_CHMAP_NA: u8 = 1; /* silent */
+pub const VIRTIO_SND_CHMAP_MONO: u8 = 2; /* mono stream */
+pub const VIRTIO_SND_CHMAP_FL: u8 = 3; /* front left */
+pub const VIRTIO_SND_CHMAP_FR: u8 = 4; /* front right */
+pub const VIRTIO_SND_CHMAP_RL: u8 = 5; /* rear left */
+pub const VIRTIO_SND_CHMAP_RR: u8 = 6; /* rear right */
+pub const VIRTIO_SND_CHMAP_FC: u8 = 7; /* front center */
+pub const VIRTIO_SND_CHMAP_LFE: u8 = 8; /* low frequency (LFE) */
+pub const VIRTIO_SND_CHMAP_SL: u8 = 9; /* side left */
+pub const VIRTIO_SND_CHMAP_SR: u8 = 10; /* side right */
+pub const VIRTIO_SND_CHMAP_RC: u8 = 11; /* rear center */
+pub const VIRTIO_SND_CHMAP_FLC: u8 = 12; /* front left center */
+pub const VIRTIO_SND_CHMAP_FRC: u8 = 13; /* front right center */
+pub const VIRTIO_SND_CHMAP_RLC: u8 = 14; /* rear left center */
+pub const VIRTIO_SND_CHMAP_RRC: u8 = 15; /* rear right center */
+pub const VIRTIO_SND_CHMAP_FLW: u8 = 16; /* front left wide */
+pub const VIRTIO_SND_CHMAP_FRW: u8 = 17; /* front right wide */
+pub const VIRTIO_SND_CHMAP_FLH: u8 = 18; /* front left high */
+pub const VIRTIO_SND_CHMAP_FCH: u8 = 19; /* front center high */
+pub const VIRTIO_SND_CHMAP_FRH: u8 = 20; /* front right high */
+pub const VIRTIO_SND_CHMAP_TC: u8 = 21; /* top center */
+pub const VIRTIO_SND_CHMAP_TFL: u8 = 22; /* top front left */
+pub const VIRTIO_SND_CHMAP_TFR: u8 = 23; /* top front right */
+pub const VIRTIO_SND_CHMAP_TFC: u8 = 24; /* top front center */
+pub const VIRTIO_SND_CHMAP_TRL: u8 = 25; /* top rear left */
+pub const VIRTIO_SND_CHMAP_TRR: u8 = 26; /* top rear right */
+pub const VIRTIO_SND_CHMAP_TRC: u8 = 27; /* top rear center */
+pub const VIRTIO_SND_CHMAP_TFLC: u8 = 28; /* top front left center */
+pub const VIRTIO_SND_CHMAP_TFRC: u8 = 29; /* top front right center */
+pub const VIRTIO_SND_CHMAP_TSL: u8 = 34; /* top side left */
+pub const VIRTIO_SND_CHMAP_TSR: u8 = 35; /* top side right */
+pub const VIRTIO_SND_CHMAP_LLFE: u8 = 36; /* left LFE */
+pub const VIRTIO_SND_CHMAP_RLFE: u8 = 37; /* right LFE */
+pub const VIRTIO_SND_CHMAP_BC: u8 = 38; /* bottom center */
+pub const VIRTIO_SND_CHMAP_BLC: u8 = 39; /* bottom left center */
+pub const VIRTIO_SND_CHMAP_BRC: u8 = 40; /* bottom right center */
+// maximum possible number of channels
+pub const VIRTIO_SND_CHMAP_MAX_SIZE: usize = 18;
+
 /// Virtio Sound Configuration
 #[derive(Copy, Clone, Debug, Default, PartialEq)]
 #[repr(C)]
@@ -99,7 +199,7 @@ pub struct VirtioSoundQueryInfo {
     /// starting identifier for the item
     pub start_id: Le32,
     /// number of items for which information is requested
-    pub cound: Le32,
+    pub count: Le32,
     /// size of the structure containing information for one item
     pub size: Le32,
 }
@@ -117,3 +217,129 @@ pub struct VirtioSoundInfo {
 // SAFETY: The layout of the structure is fixed and can be initialized by
 // reading its content from byte array.
 unsafe impl ByteValued for VirtioSoundInfo {}
+
+/// Jack control request / Jack common header
+#[derive(Copy, Clone, Debug, Default, PartialEq)]
+#[repr(C)]
+pub struct VirtioSoundJackHeader {
+    /// jack request type (VIRTIO_SND_R_JACK_*)
+    pub hdr: VirtioSoundHeader,
+    /// jack identifier
+    pub jack_id: Le32,
+}
+// SAFETY: The layout of the structure is fixed and can be initialized by
+// reading its content from byte array.
+unsafe impl ByteValued for VirtioSoundJackHeader {}
+
+/// Jack response information about available jacks
+#[derive(Copy, Clone, Debug, Default, PartialEq)]
+#[repr(C)]
+pub struct VirtioSoundJackInfo {
+    /// jack response header type
+    pub hdr: VirtioSoundInfo,
+    /// supported feature bit map (VIRTIO_SND_JACK_F_XXX)
+    pub feature: Le32,
+    /// pin default configuration value
+    pub hda_reg_defconf: Le32,
+    /// pin capabilities value
+    pub hda_reg_caps: Le32,
+    /// current jack connection status
+    pub connected: u8,
+    pub padding: [u8; 7],
+}
+// SAFETY: The layout of the structure is fixed and can be initialized by
+// reading its content from byte array.
+unsafe impl ByteValued for VirtioSoundJackInfo {}
+
+///If the VIRTIO_SND_JACK_F_REMAP feature bit is set in the jack information
+/// Remap control request
+#[derive(Copy, Clone, Debug, Default, PartialEq)]
+#[repr(C)]
+pub struct VirtioSoundJackRemap {
+    pub hdr: VirtioSoundJackHeader, /* .code = VIRTIO_SND_R_JACK_REMAP */
+    pub association: Le32,
+    pub sequence: Le32,
+}
+// SAFETY: The layout of the structure is fixed and can be initialized by
+// reading its content from byte array.
+unsafe impl ByteValued for VirtioSoundJackRemap {}
+
+/// PCM control request / PCM common header
+#[derive(Copy, Clone, Debug, Default, PartialEq)]
+#[repr(C)]
+pub struct VirtioSoundPcmHeader {
+    pub hdr: VirtioSoundHeader,
+    pub stream_id: Le32,
+}
+// SAFETY: The layout of the structure is fixed and can be initialized by
+// reading its content from byte array.
+unsafe impl ByteValued for VirtioSoundPcmHeader {}
+
+/// PCM response information
+#[derive(Copy, Clone, Debug, Default, PartialEq)]
+#[repr(C)]
+pub struct VirtioSoundPcmInfo {
+    pub hdr: VirtioSoundInfo,
+    pub features: Le32, /* 1 << VIRTIO_SND_PCM_F_XXX */
+    pub formats: Le64,  /* 1 << VIRTIO_SND_PCM_FMT_XXX */
+    pub rates: Le64,    /* 1 << VIRTIO_SND_PCM_RATE_XXX */
+    pub direction: u8,
+    pub channels_min: u8,
+    pub channels_max: u8,
+
+    pub padding: [u8; 5],
+}
+// SAFETY: The layout of the structure is fixed and can be initialized by
+// reading its content from byte array.
+unsafe impl ByteValued for VirtioSoundPcmInfo {}
+
+/// Set selected stream parameters for the specified stream ID
+#[derive(Copy, Clone, Debug, Default, PartialEq)]
+#[repr(C)]
+pub struct VirtioSndPcmSetParams {
+    pub hdr: VirtioSoundPcmHeader,
+    pub buffer_bytes: Le32,
+    pub period_bytes: Le32,
+    pub features: Le32, /* 1 << VIRTIO_SND_PCM_F_XXX */
+    pub channels: u8,
+    pub format: u8,
+    pub rate: u8,
+    pub padding: u8,
+}
+// SAFETY: The layout of the structure is fixed and can be initialized by
+// reading its content from byte array.
+unsafe impl ByteValued for VirtioSndPcmSetParams {}
+
+/// PCM I/O header
+#[derive(Copy, Clone, Debug, Default, PartialEq)]
+#[repr(C)]
+pub struct VirtioSoundPcmXfer {
+    pub stream_id: Le32,
+}
+// SAFETY: The layout of the structure is fixed and can be initialized by
+// reading its content from byte array.
+unsafe impl ByteValued for VirtioSoundPcmXfer {}
+
+/// PCM I/O status
+#[derive(Copy, Clone, Debug, Default, PartialEq)]
+#[repr(C)]
+pub struct VirtioSoundPcmStatus {
+    pub status: Le32,
+    pub latency_bytes: Le32,
+}
+// SAFETY: The layout of the structure is fixed and can be initialized by
+// reading its content from byte array.
+unsafe impl ByteValued for VirtioSoundPcmStatus {}
+
+/// channel maps response information
+#[derive(Copy, Clone, Debug, Default, PartialEq)]
+#[repr(C)]
+pub struct VirtioSoundChmapInfo {
+    pub hdr: VirtioSoundInfo,
+    pub direction: u8,
+    pub channels: u8,
+    pub positions: [u8; VIRTIO_SND_CHMAP_MAX_SIZE],
+}
+// SAFETY: The layout of the structure is fixed and can be initialized by
+// reading its content from byte array.
+unsafe impl ByteValued for VirtioSoundChmapInfo {}
\ No newline at end of file