NVMe: Read the model, serial & firmware rev from the controller

Signed-off-by: Matthew Wilcox <matthew.r.wilcox@intel.com>

diff --git a/drivers/block/nvme.c b/drivers/block/nvme.c
index 40fb2e1..12e37c1 100644 (file)
--- a/drivers/block/nvme.c
+++ b/drivers/block/nvme.c
@@ -58,6 +58,9 @@ struct nvme_dev {
        struct msix_entry *entry;
        struct nvme_bar __iomem *bar;
        struct list_head namespaces;
+       char serial[20];
+       char model[40];
+       char firmware_rev[8];
 };
 
 /*
@@ -979,6 +982,7 @@ static int __devinit nvme_dev_add(struct nvme_dev *dev)
 {
        int res, nn, i;
        struct nvme_ns *ns, *next;
+       struct nvme_id_ctrl *ctrl;
        void *id;
        dma_addr_t dma_addr;
        struct nvme_command cid, crt;
@@ -1003,7 +1007,11 @@ static int __devinit nvme_dev_add(struct nvme_dev *dev)
                goto out_free;
        }
 
-       nn = le32_to_cpup(&((struct nvme_id_ctrl *)id)->nn);
+       ctrl = id;
+       nn = le32_to_cpup(&ctrl->nn);
+       memcpy(dev->serial, ctrl->sn, sizeof(ctrl->sn));
+       memcpy(dev->model, ctrl->mn, sizeof(ctrl->mn));
+       memcpy(dev->firmware_rev, ctrl->fr, sizeof(ctrl->fr));
 
        cid.identify.cns = 0;
        memset(&crt, 0, sizeof(crt));