From: Klaus Jensen <k.jen...@samsung.com> The emulated nvme device (hw/block/nvme.c) is currently using an internal Intel device id.
Prepare to change that by allocating a device id under the 1b36 (Red Hat, Inc.) vendor id. Signed-off-by: Klaus Jensen <k.jen...@samsung.com> Acked-by: Gerd Hoffmann <kra...@redhat.com> Reviewed-by: Maxim Levitsky <mlevi...@redhat.com> Reviewed-by: Keith Busch <kbu...@kernel.org> --- docs/specs/nvme.txt | 23 +++++++++++++++++++++++ docs/specs/pci-ids.txt | 1 + include/hw/pci/pci.h | 1 + MAINTAINERS | 1 + 4 files changed, 26 insertions(+) create mode 100644 docs/specs/nvme.txt diff --git a/docs/specs/nvme.txt b/docs/specs/nvme.txt new file mode 100644 index 000000000000..56d393884e7a --- /dev/null +++ b/docs/specs/nvme.txt @@ -0,0 +1,23 @@ +NVM Express Controller +====================== + +The nvme device (-device nvme) emulates an NVM Express Controller. + + +Reference Specifications +------------------------ + +The device currently implements most mandatory features of NVMe v1.3d, see + + https://nvmexpress.org/resources/specifications/ + +for the specification. + + +Known issues +------------ + +* The accounting numbers in the SMART/Health are reset across power cycles + +* Interrupt Coalescing is not supported and is disabled by default in volation + of the specification. diff --git a/docs/specs/pci-ids.txt b/docs/specs/pci-ids.txt index 4d53e5c7d9d5..abbdbca6be38 100644 --- a/docs/specs/pci-ids.txt +++ b/docs/specs/pci-ids.txt @@ -63,6 +63,7 @@ PCI devices (other than virtio): 1b36:000b PCIe Expander Bridge (-device pxb-pcie) 1b36:000d PCI xhci usb host adapter 1b36:000f mdpy (mdev sample device), linux/samples/vfio-mdev/mdpy.c +1b36:0010 PCIe NVMe device (-device nvme) All these devices are documented in docs/specs. diff --git a/include/hw/pci/pci.h b/include/hw/pci/pci.h index f19ffe6b4fe8..72ce649eee36 100644 --- a/include/hw/pci/pci.h +++ b/include/hw/pci/pci.h @@ -106,6 +106,7 @@ extern bool pci_available; #define PCI_DEVICE_ID_REDHAT_XHCI 0x000d #define PCI_DEVICE_ID_REDHAT_PCIE_BRIDGE 0x000e #define PCI_DEVICE_ID_REDHAT_MDPY 0x000f +#define PCI_DEVICE_ID_REDHAT_NVME 0x0010 #define PCI_DEVICE_ID_REDHAT_QXL 0x0100 #define FMT_PCIBUS PRIx64 diff --git a/MAINTAINERS b/MAINTAINERS index ef6f5c739984..9e215088ce8c 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -1877,6 +1877,7 @@ L: qemu-bl...@nongnu.org S: Supported F: hw/block/nvme* F: tests/qtest/nvme-test.c +F: docs/specs/nvme.txt T: git git://git.infradead.org/qemu-nvme.git nvme-next megasas -- 2.29.1
