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ba187bd38e
Enhance the description of QEMU block devices * Describe how to attach a virtio-blk device. * Sort the command lines for MMC to match the other devices. Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com> Reviewed-by: Simon Glass <sjg@chromium.org>
48 lines
1 KiB
ReStructuredText
48 lines
1 KiB
ReStructuredText
.. SPDX-License-Identifier: GPL-2.0+
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Emulation of block devices
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--------------------------
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QEMU can emulate common block devices by adding the following parameters to
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the qemu-system-<arch> command line:
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* MMC
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.. code-block:: bash
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-device sdhci-pci,sd-spec-version=3 \
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-drive if=none,file=disk.img,format=raw,id=MMC1 \
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-device sd-card,drive=MMC1
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* NVMe
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.. code-block:: bash
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-drive if=none,file=disk.img,format=raw,id=NVME1 \
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-device nvme,drive=NVME1,serial=nvme-1
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* SATA
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.. code-block:: bash
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-device ahci,id=ahci0 \
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-drive if=none,file=disk.img,format=raw,id=SATA1 \
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-device ide-hd,bus=ahci0.0,drive=SATA1
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* USB
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.. code-block:: bash
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-device qemu-xhci \
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-drive if=none,file=disk.img,format=raw,id=USB1 \
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-device usb-storage,drive=USB1
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* Virtio
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.. code-block:: bash
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-drive if=none,file=disk.img,format=raw,id=VIRTIO1 \
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-device virtio-blk,drive=VIRTIO1
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.. note::
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As of v2023.07 U-Boot does not have a driver for virtio-scsi-pci.
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