diff options
Diffstat (limited to 'hw')
| -rw-r--r-- | hw/block/nvme.c | 43 |
1 files changed, 24 insertions, 19 deletions
diff --git a/hw/block/nvme.c b/hw/block/nvme.c index a4022b0291..8aabb4c3c3 100644 --- a/hw/block/nvme.c +++ b/hw/block/nvme.c @@ -56,6 +56,7 @@ #define NVME_REG_SIZE 0x1000 #define NVME_DB_SIZE 4 +#define NVME_CMB_BIR 2 #define NVME_GUEST_ERR(trace, fmt, ...) \ do { \ @@ -1438,6 +1439,28 @@ 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; @@ -1514,25 +1537,7 @@ static void nvme_realize(PCIDevice *pci_dev, Error **errp) 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); - + nvme_init_cmb(n, pci_dev); } else if (n->pmrdev) { /* Controller Capabilities register */ NVME_CAP_SET_PMRS(n->bar.cap, 1); |