diff options
| -rw-r--r-- | hw/block/nvme.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/hw/block/nvme.c b/hw/block/nvme.c index f8dd771925..d773796051 100644 --- a/hw/block/nvme.c +++ b/hw/block/nvme.c @@ -3848,8 +3848,16 @@ static void nvme_write_bar(NvmeCtrl *n, hwaddr offset, uint64_t data, NVME_GUEST_ERR(pci_nvme_ub_mmiowr_pmrcap_readonly, "invalid write to PMRCAP register, ignored"); return; - case 0xE04: /* TODO PMRCTL */ - break; + case 0xE04: /* PMRCTL */ + n->bar.pmrctl = data; + if (NVME_PMRCTL_EN(data)) { + memory_region_set_enabled(&n->pmrdev->mr, true); + n->bar.pmrsts = 0; + } else { + memory_region_set_enabled(&n->pmrdev->mr, false); + NVME_PMRSTS_SET_NRDY(n->bar.pmrsts, 1); + } + return; case 0xE08: /* PMRSTS */ NVME_GUEST_ERR(pci_nvme_ub_mmiowr_pmrsts_readonly, "invalid write to PMRSTS register, ignored"); @@ -4225,6 +4233,8 @@ static void nvme_init_pmr(NvmeCtrl *n, PCIDevice *pci_dev) PCI_BASE_ADDRESS_SPACE_MEMORY | PCI_BASE_ADDRESS_MEM_TYPE_64 | PCI_BASE_ADDRESS_MEM_PREFETCH, &n->pmrdev->mr); + + memory_region_set_enabled(&n->pmrdev->mr, false); } static int nvme_init_pci(NvmeCtrl *n, PCIDevice *pci_dev, Error **errp) |