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hw/block/nvme: factor out property/constraint checks 

Signed-off-by: Klaus Jensen <k.jensen@samsung.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com>
Reviewed-by: Keith Busch <kbusch@kernel.org>
Message-Id: <20200609190333.59390-11-its@irrelevant.dk>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Klaus Jensen 2020-06-09 21:03:21 +02:00 committed by Kevin Wolf
parent e1731e816a
commit 54000c66f0
1 changed files with 30 additions and 18 deletions
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48
hw/block/nvme.c
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@ -1354,24 +1354,19 @@ 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;
@ -1382,13 +1377,7 @@ 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;
}
@ -1408,6 +1397,29 @@ 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),