On Wed, 2020-04-15 at 15:01 +0200, Klaus Jensen wrote:
> From: Klaus Jensen <k.jen...@samsung.com>
>
> Signed-off-by: Klaus Jensen <k.jen...@samsung.com>
> Reviewed-by: Philippe Mathieu-Daudé <phi...@redhat.com>
> ---
> hw/block/nvme.c | 49 +++++++++++++++++++++++++++----------------------
> 1 file changed, 27 insertions(+), 22 deletions(-)
>
> diff --git a/hw/block/nvme.c b/hw/block/nvme.c
> index 906ae595025a..4c28d75e0fc8 100644
> --- a/hw/block/nvme.c
> +++ b/hw/block/nvme.c
> @@ -46,6 +46,7 @@
>
> #define NVME_REG_SIZE 0x1000
> #define NVME_DB_SIZE 4
> +#define NVME_CMB_BIR 2
>
> #define NVME_GUEST_ERR(trace, fmt, ...) \
> do { \
> @@ -1379,6 +1380,28 @@ static void nvme_init_namespace(NvmeCtrl *n,
> NvmeNamespace *ns, Error **errp)
> id_ns->nuse = id_ns->ncap;
> }
>
> +static void nvme_init_cmb(NvmeCtrl *n, PCIDevice *pci_dev)
> +{
> + NVME_CMBLOC_SET_BIR(n->bar.cmbloc, NVME_CMB_BIR);
> + NVME_CMBLOC_SET_OFST(n->bar.cmbloc, 0);
> +
> + NVME_CMBSZ_SET_SQS(n->bar.cmbsz, 1);
> + NVME_CMBSZ_SET_CQS(n->bar.cmbsz, 0);
> + NVME_CMBSZ_SET_LISTS(n->bar.cmbsz, 0);
> + NVME_CMBSZ_SET_RDS(n->bar.cmbsz, 1);
> + NVME_CMBSZ_SET_WDS(n->bar.cmbsz, 1);
> + NVME_CMBSZ_SET_SZU(n->bar.cmbsz, 2); /* MBs */
> + NVME_CMBSZ_SET_SZ(n->bar.cmbsz, n->params.cmb_size_mb);
> +
> + n->cmbuf = g_malloc0(NVME_CMBSZ_GETSIZE(n->bar.cmbsz));
> + memory_region_init_io(&n->ctrl_mem, OBJECT(n), &nvme_cmb_ops, n,
> + "nvme-cmb", NVME_CMBSZ_GETSIZE(n->bar.cmbsz));
> + pci_register_bar(pci_dev, NVME_CMBLOC_BIR(n->bar.cmbloc),
> + PCI_BASE_ADDRESS_SPACE_MEMORY |
> + PCI_BASE_ADDRESS_MEM_TYPE_64 |
> + PCI_BASE_ADDRESS_MEM_PREFETCH, &n->ctrl_mem);
> +}
> +
> static void nvme_init_pci(NvmeCtrl *n, PCIDevice *pci_dev)
> {
> uint8_t *pci_conf = pci_dev->config;
> @@ -1393,6 +1416,10 @@ static void nvme_init_pci(NvmeCtrl *n, PCIDevice
> *pci_dev)
> pci_register_bar(pci_dev, 0, PCI_BASE_ADDRESS_SPACE_MEMORY |
> PCI_BASE_ADDRESS_MEM_TYPE_64, &n->iomem);
> msix_init_exclusive_bar(pci_dev, n->params.max_ioqpairs + 1, 4, NULL);
> +
> + if (n->params.cmb_size_mb) {
> + nvme_init_cmb(n, pci_dev);
> + }
> }
>
> static void nvme_realize(PCIDevice *pci_dev, Error **errp)
> @@ -1454,28 +1481,6 @@ static void nvme_realize(PCIDevice *pci_dev, Error
> **errp)
> n->bar.vs = 0x00010200;
> n->bar.intmc = n->bar.intms = 0;
>
> - if (n->params.cmb_size_mb) {
> -
> - NVME_CMBLOC_SET_BIR(n->bar.cmbloc, 2);
> - NVME_CMBLOC_SET_OFST(n->bar.cmbloc, 0);
> -
> - NVME_CMBSZ_SET_SQS(n->bar.cmbsz, 1);
> - NVME_CMBSZ_SET_CQS(n->bar.cmbsz, 0);
> - NVME_CMBSZ_SET_LISTS(n->bar.cmbsz, 0);
> - NVME_CMBSZ_SET_RDS(n->bar.cmbsz, 1);
> - NVME_CMBSZ_SET_WDS(n->bar.cmbsz, 1);
> - NVME_CMBSZ_SET_SZU(n->bar.cmbsz, 2); /* MBs */
> - NVME_CMBSZ_SET_SZ(n->bar.cmbsz, n->params.cmb_size_mb);
> -
> - n->cmbuf = g_malloc0(NVME_CMBSZ_GETSIZE(n->bar.cmbsz));
> - memory_region_init_io(&n->ctrl_mem, OBJECT(n), &nvme_cmb_ops, n,
> - "nvme-cmb", NVME_CMBSZ_GETSIZE(n->bar.cmbsz));
> - pci_register_bar(pci_dev, NVME_CMBLOC_BIR(n->bar.cmbloc),
> - PCI_BASE_ADDRESS_SPACE_MEMORY | PCI_BASE_ADDRESS_MEM_TYPE_64 |
> - PCI_BASE_ADDRESS_MEM_PREFETCH, &n->ctrl_mem);
> -
> - }
> -
> for (i = 0; i < n->num_namespaces; i++) {
> nvme_init_namespace(n, &n->namespaces[i], &err);
> if (err) {
Reviewed-by: Maxim Levitsky <mlevi...@redhat.com>
Best regards,
Maxim Levitsky
