From: Klaus Jensen <k.jen...@samsung.com> Signed-off-by: Klaus Jensen <k.jen...@samsung.com> Reviewed-by: Philippe Mathieu-Daudé <phi...@redhat.com> Reviewed-by: Maxim Levitsky <mlevi...@redhat.com> Reviewed-by: Keith Busch <kbu...@kernel.org> --- hw/block/nvme.c | 48 ++++++++++++++++++++++++++++++------------------ 1 file changed, 30 insertions(+), 18 deletions(-)
diff --git a/hw/block/nvme.c b/hw/block/nvme.c index e93ed729aef5..1d4fbba9c5da 100644 --- a/hw/block/nvme.c +++ b/hw/block/nvme.c @@ -1356,24 +1356,19 @@ static const MemoryRegionOps nvme_cmb_ops = { }, }; -static void nvme_realize(PCIDevice *pci_dev, Error **errp) +static void nvme_check_constraints(NvmeCtrl *n, Error **errp) { - NvmeCtrl *n = NVME(pci_dev); - NvmeIdCtrl *id = &n->id_ctrl; + NvmeParams *params = &n->params; - int i; - int64_t bs_size; - uint8_t *pci_conf; - - if (n->params.num_queues) { + if (params->num_queues) { warn_report("num_queues is deprecated; please use max_ioqpairs " "instead"); - n->params.max_ioqpairs = n->params.num_queues - 1; + params->max_ioqpairs = params->num_queues - 1; } - if (n->params.max_ioqpairs < 1 || - n->params.max_ioqpairs > PCI_MSIX_FLAGS_QSIZE) { + if (params->max_ioqpairs < 1 || + params->max_ioqpairs > PCI_MSIX_FLAGS_QSIZE) { error_setg(errp, "max_ioqpairs must be between 1 and %d", PCI_MSIX_FLAGS_QSIZE); return; @@ -1384,13 +1379,7 @@ static void nvme_realize(PCIDevice *pci_dev, Error **errp) return; } - bs_size = blk_getlength(n->conf.blk); - if (bs_size < 0) { - error_setg(errp, "could not get backing file size"); - return; - } - - if (!n->params.serial) { + if (!params->serial) { error_setg(errp, "serial property not set"); return; } @@ -1410,6 +1399,29 @@ static void nvme_realize(PCIDevice *pci_dev, Error **errp) host_memory_backend_set_mapped(n->pmrdev, true); } +} + +static void nvme_realize(PCIDevice *pci_dev, Error **errp) +{ + NvmeCtrl *n = NVME(pci_dev); + NvmeIdCtrl *id = &n->id_ctrl; + Error *local_err = NULL; + + int i; + int64_t bs_size; + uint8_t *pci_conf; + + nvme_check_constraints(n, &local_err); + if (local_err) { + error_propagate(errp, local_err); + return; + } + + bs_size = blk_getlength(n->conf.blk); + if (bs_size < 0) { + error_setg(errp, "could not get backing file size"); + return; + } blkconf_blocksizes(&n->conf); if (!blkconf_apply_backend_options(&n->conf, blk_is_read_only(n->conf.blk), -- 2.26.2