Messages in this thread Patch in this message | | | From | Alexander Gordeev <> | Subject | [PATCH 11/14] NVMe: Factor out nvme_init_bar() | Date | Tue, 28 Jan 2014 09:38:57 +0100 |
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Signed-off-by: Alexander Gordeev <agordeev@redhat.com> --- drivers/block/nvme-core.c | 16 ++++++++++++++-- 1 files changed, 14 insertions(+), 2 deletions(-)
diff --git a/drivers/block/nvme-core.c b/drivers/block/nvme-core.c index d81b4c4..1e30c42 100644 --- a/drivers/block/nvme-core.c +++ b/drivers/block/nvme-core.c @@ -1886,10 +1886,10 @@ static size_t db_bar_size(struct nvme_dev *dev, unsigned nr_io_queues) return 4096 + ((nr_io_queues + 1) * 8 * dev->db_stride); } -static int nvme_setup_io_queues(struct nvme_dev *dev, int nr_io_queues) +static int nvme_init_bar(struct nvme_dev *dev, int nr_io_queues) { struct pci_dev *pdev = dev->pci_dev; - int result, cpu, i, vecs, size, q_depth; + int size; size = db_bar_size(dev, nr_io_queues); if (size > 8192) { @@ -1906,6 +1906,14 @@ static int nvme_setup_io_queues(struct nvme_dev *dev, int nr_io_queues) dev->queues[0]->q_db = dev->dbs; } + return nr_io_queues; +} + +static int nvme_setup_io_queues(struct nvme_dev *dev, int nr_io_queues) +{ + struct pci_dev *pdev = dev->pci_dev; + int result, cpu, i, vecs, q_depth; + /* Deregister the admin queue's interrupt */ free_irq(dev->entry[dev->queues[0]->cq_vector].vector, dev->queues[0]); @@ -2420,6 +2428,10 @@ static int nvme_dev_start(struct nvme_dev *dev) if (result < 0) goto disable; + result = nvme_init_bar(dev, result); + if (result < 0) + goto disable; + result = nvme_setup_io_queues(dev, result); if (result) goto disable; -- 1.7.7.6
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