Re: [PATCH v3 17/18] hw/block/nvme: provide the mandatory subnqn field

[Dmitry Fomichev <Dmitry.Fomichev@wdc.com>]

Looks good,

Reviewed-by: Dmitry Fomichev <dmitry.fomichev@wdc.com>

On Mon, 2020-07-06 at 08:13 +0200, Klaus Jensen wrote:
> From: Klaus Jensen <k.jensen@samsung.com>
> 
> The SUBNQN field is mandatory in NVM Express 1.3.
> 
> Signed-off-by: Klaus Jensen <k.jensen@samsung.com>
> ---
>  hw/block/nvme.c | 5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/hw/block/nvme.c b/hw/block/nvme.c
> index 07d58aa945f2..e3984157926b 100644
> --- a/hw/block/nvme.c
> +++ b/hw/block/nvme.c
> @@ -2141,6 +2141,7 @@ static void nvme_init_ctrl(NvmeCtrl *n, PCIDevice *pci_dev)
>  {
>      NvmeIdCtrl *id = &n->id_ctrl;
>      uint8_t *pci_conf = pci_dev->config;
> +    char *subnqn;
>  
>      id->vid = cpu_to_le16(pci_get_word(pci_conf + PCI_VENDOR_ID));
>      id->ssvid = cpu_to_le16(pci_get_word(pci_conf + PCI_SUBSYSTEM_VENDOR_ID));
> @@ -2179,6 +2180,10 @@ static void nvme_init_ctrl(NvmeCtrl *n, PCIDevice *pci_dev)
>      id->oncs = cpu_to_le16(NVME_ONCS_WRITE_ZEROS | NVME_ONCS_TIMESTAMP |
>                             NVME_ONCS_FEATURES);
>  
> +    subnqn = g_strdup_printf("nqn.2019-08.org.qemu:%s", n->params.serial);
> +    strpadcpy((char *)id->subnqn, sizeof(id->subnqn), subnqn, '\0');
> +    g_free(subnqn);
> +
>      id->psd[0].mp = cpu_to_le16(0x9c4);
>      id->psd[0].enlat = cpu_to_le32(0x10);
>      id->psd[0].exlat = cpu_to_le32(0x4);