Message ID | 20200415130159.611361-16-its@irrelevant.dk |
---|---|
State | New |
Headers | show |
Series | nvme: refactoring and cleanups | expand |
On Wed, 2020-04-15 at 15:01 +0200, Klaus Jensen wrote: > From: Klaus Jensen <k.jensen@samsung.com> > > Signed-off-by: Klaus Jensen <k.jensen@samsung.com> > Reviewed-by: Philippe Mathieu-Daudé <philmd@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 <mlevitsk@redhat.com> Best regards, Maxim Levitsky
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) {