diff options
| author | Weiping Zhang <zhangweiping@didichuxing.com> | 2018-06-26 09:44:56 +0800 |
|---|---|---|
| committer | Kevin Wolf <kwolf@redhat.com> | 2018-06-29 14:20:56 +0200 |
| commit | 7c8952697e9c44931090251e142c1d3108c22be4 (patch) | |
| tree | 760a7c1803e5c68fdd98c86109725ec2a9f3ee7c /hw | |
| parent | b8efb36b9e99dbea7370139c0866b97a933f78d4 (diff) | |
hw/block/nvme: add optional parameter num_queues for nvme device
Add an optional paramter num_queues for device, and set it
to 64 by default.
Signed-off-by: Weiping Zhang <zhangweiping@didichuxing.com>
Acked-by: Keith Busch <keith.busch@intel.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'hw')
| -rw-r--r-- | hw/block/nvme.c | 5 |
1 files 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(), }; |