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[PATCH v3 16/17] pci: allocate pci id for nvme
From: |
Klaus Jensen |
Subject: |
[PATCH v3 16/17] pci: allocate pci id for nvme |
Date: |
Tue, 22 Sep 2020 10:45:32 +0200 |
From: Klaus Jensen <k.jensen@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.jensen@samsung.com>
Acked-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com>
Reviewed-by: Keith Busch <kbusch@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 0ff3feec1573..fb3ea21ee1d6 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 3d17cad19aa0..3f3babeca663 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -1880,6 +1880,7 @@ L: qemu-block@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
--
2.28.0
- [PATCH v3 06/17] hw/block/nvme: add a lba to bytes helper, (continued)
- [PATCH v3 06/17] hw/block/nvme: add a lba to bytes helper, Klaus Jensen, 2020/09/22
- [PATCH v3 08/17] hw/block/nvme: add symbolic command name to trace events, Klaus Jensen, 2020/09/22
- [PATCH v3 10/17] hw/block/nvme: default request status to success, Klaus Jensen, 2020/09/22
- [PATCH v3 03/17] hw/block/nvme: handle dma errors, Klaus Jensen, 2020/09/22
- [PATCH v3 07/17] hw/block/nvme: fix endian conversion, Klaus Jensen, 2020/09/22
- [PATCH v3 09/17] hw/block/nvme: refactor aio submission, Klaus Jensen, 2020/09/22
- [PATCH v3 11/17] hw/block/nvme: harden cmb access, Klaus Jensen, 2020/09/22
- [PATCH v3 12/17] hw/block/nvme: add support for scatter gather lists, Klaus Jensen, 2020/09/22
- [PATCH v3 14/17] hw/block/nvme: refactor identify active namespace id list, Klaus Jensen, 2020/09/22
- [PATCH v3 13/17] hw/block/nvme: add support for sgl bit bucket descriptor, Klaus Jensen, 2020/09/22
- [PATCH v3 16/17] pci: allocate pci id for nvme,
Klaus Jensen <=
- [PATCH v3 15/17] hw/block/nvme: support multiple namespaces, Klaus Jensen, 2020/09/22
- [PATCH v3 17/17] hw/block/nvme: change controller pci id, Klaus Jensen, 2020/09/22
- Re: [PATCH v3 00/17] hw/block/nvme: multiple namespaces support, Keith Busch, 2020/09/22
- Re: [PATCH v3 00/17] hw/block/nvme: multiple namespaces support, Klaus Jensen, 2020/09/23