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[Qemu-devel] [PULL 05/29] hw/block/nvme: add optional parameter num_queu
From: |
Kevin Wolf |
Subject: |
[Qemu-devel] [PULL 05/29] hw/block/nvme: add optional parameter num_queues for nvme device |
Date: |
Fri, 29 Jun 2018 16:09:35 +0200 |
From: Weiping Zhang <address@hidden>
Add an optional paramter num_queues for device, and set it
to 64 by default.
Signed-off-by: Weiping Zhang <address@hidden>
Acked-by: Keith Busch <address@hidden>
Signed-off-by: Kevin Wolf <address@hidden>
---
hw/block/nvme.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/hw/block/nvme.c b/hw/block/nvme.c
index d5bf95b79b..156ecf3c41 100644
--- a/hw/block/nvme.c
+++ b/hw/block/nvme.c
@@ -18,7 +18,8 @@
* Usage: add options:
* -drive file=<file>,if=none,id=<drive_id>
* -device nvme,drive=<drive_id>,serial=<serial>,id=<id[optional]>, \
- * cmb_size_mb=<cmb_size_mb[optional]>
+ * cmb_size_mb=<cmb_size_mb[optional]>, \
+ * num_queues=<N[optional]>
*
* Note cmb_size_mb denotes size of CMB in MB. CMB is assumed to be at
* offset 0 in BAR2 and supports only WDS, RDS and SQS for now.
@@ -1232,7 +1233,6 @@ static void nvme_realize(PCIDevice *pci_dev, Error **errp)
pcie_endpoint_cap_init(&n->parent_obj, 0x80);
n->num_namespaces = 1;
- n->num_queues = 64;
n->reg_size = pow2ceil(0x1004 + 2 * (n->num_queues + 1) * 4);
n->ns_size = bs_size / (uint64_t)n->num_namespaces;
@@ -1341,6 +1341,7 @@ static Property nvme_props[] = {
DEFINE_BLOCK_PROPERTIES(NvmeCtrl, conf),
DEFINE_PROP_STRING("serial", NvmeCtrl, serial),
DEFINE_PROP_UINT32("cmb_size_mb", NvmeCtrl, cmb_size_mb, 0),
+ DEFINE_PROP_UINT32("num_queues", NvmeCtrl, num_queues, 64),
DEFINE_PROP_END_OF_LIST(),
};
--
2.13.6
- [Qemu-devel] [PULL 00/29] Block layer patches, Kevin Wolf, 2018/06/29
- [Qemu-devel] [PULL 03/29] qapi/job: The next release will be 3.0, Kevin Wolf, 2018/06/29
- [Qemu-devel] [PULL 04/29] usb-storage: Add rerror/werror properties, Kevin Wolf, 2018/06/29
- [Qemu-devel] [PULL 02/29] block/crypto: Pacify Coverity after commit f853465aacb, Kevin Wolf, 2018/06/29
- [Qemu-devel] [PULL 05/29] hw/block/nvme: add optional parameter num_queues for nvme device,
Kevin Wolf <=
- [Qemu-devel] [PULL 01/29] block-qdict: Pacify Coverity after commit f1b34a248e9, Kevin Wolf, 2018/06/29
- [Qemu-devel] [PULL 10/29] block: Use tracked request for truncate, Kevin Wolf, 2018/06/29
- [Qemu-devel] [PULL 12/29] qcow2: Remove dead check on !ret, Kevin Wolf, 2018/06/29
- [Qemu-devel] [PULL 06/29] qcow2: Fix qcow2_truncate() error return value, Kevin Wolf, 2018/06/29
- [Qemu-devel] [PULL 09/29] block: Move bdrv_truncate() implementation to io.c, Kevin Wolf, 2018/06/29
- [Qemu-devel] [PULL 11/29] file-posix: Make .bdrv_co_truncate asynchronous, Kevin Wolf, 2018/06/29
- [Qemu-devel] [PULL 07/29] block: Convert .bdrv_truncate callback to coroutine_fn, Kevin Wolf, 2018/06/29
- [Qemu-devel] [PULL 14/29] block/crypto: Simplify block_crypto_{open, create}_opts_init(), Kevin Wolf, 2018/06/29
- [Qemu-devel] [PULL 08/29] qcow2: Remove coroutine trampoline for preallocate_co(), Kevin Wolf, 2018/06/29
- [Qemu-devel] [PULL 13/29] block: Move request tracking to children in copy offloading, Kevin Wolf, 2018/06/29