summaryrefslogtreecommitdiff
path: root/drivers
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2015-11-12 15:54:30 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2015-11-12 15:54:30 -0800
commit5e2078b2899da31ff4c9854e932b186685d5bea0 (patch)
tree8184fc55e70840c5f7345044e4d2dc28cb12120f /drivers
parenta4d8c7c9f7754405c52c59e1b1e984df5749d7bb (diff)
parente3a7a3bf362e2a8acc301e5eaec2631e740a8a95 (diff)
Merge branch 'for-linus' of git://git.kernel.dk/linux-block
Pull misc block fixes from Jens Axboe: "Stuff that got collected after the merge window opened. This contains: - NVMe: - Fix for non-striped transfer size setting for NVMe from Sathyavathi. - (Some) support for the weird Apple nvme controller in the macbooks. From Stephan Günther. - The error value leak for dax from Al. - A few minor blk-mq tweaks from me. - Add the new linux-block@vger.kernel.org mailing list to the MAINTAINERS file. - Discard fix for brd, from Jan. - A kerneldoc warning for block core from Randy. - An older fix from Vivek, converting a WARN_ON() to a rate limited printk when a device is hot removed with dirty inodes" * 'for-linus' of git://git.kernel.dk/linux-block: block: don't hardcode blk_qc_t -> tag mask dax_io(): don't let non-error value escape via retval instead of EFAULT block: fix blk-core.c kernel-doc warning fs/block_dev.c: Remove WARN_ON() when inode writeback fails NVMe: add support for Apple NVMe controller NVMe: use split lo_hi_{read,write}q blk-mq: mark __blk_mq_complete_request() static MAINTAINERS: add reference to new linux-block list NVMe: Increase the max transfer size when mdts is 0 brd: Refuse improperly aligned discard requests
Diffstat (limited to 'drivers')
-rw-r--r--drivers/block/brd.c3
-rw-r--r--drivers/nvme/host/pci.c15
2 files changed, 12 insertions, 6 deletions
diff --git a/drivers/block/brd.c b/drivers/block/brd.c
index c9f9c30d6467..a5880f4ab40e 100644
--- a/drivers/block/brd.c
+++ b/drivers/block/brd.c
@@ -337,6 +337,9 @@ static blk_qc_t brd_make_request(struct request_queue *q, struct bio *bio)
goto io_error;
if (unlikely(bio->bi_rw & REQ_DISCARD)) {
+ if (sector & ((PAGE_SIZE >> SECTOR_SHIFT) - 1) ||
+ bio->bi_iter.bi_size & PAGE_MASK)
+ goto io_error;
discard_from_brd(brd, sector, bio->bi_iter.bi_size);
goto out;
}
diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c
index 3dfc28875cc3..8187df204695 100644
--- a/drivers/nvme/host/pci.c
+++ b/drivers/nvme/host/pci.c
@@ -1725,7 +1725,7 @@ static int nvme_configure_admin_queue(struct nvme_dev *dev)
{
int result;
u32 aqa;
- u64 cap = readq(&dev->bar->cap);
+ u64 cap = lo_hi_readq(&dev->bar->cap);
struct nvme_queue *nvmeq;
unsigned page_shift = PAGE_SHIFT;
unsigned dev_page_min = NVME_CAP_MPSMIN(cap) + 12;
@@ -1774,8 +1774,8 @@ static int nvme_configure_admin_queue(struct nvme_dev *dev)
dev->ctrl_config |= NVME_CC_IOSQES | NVME_CC_IOCQES;
writel(aqa, &dev->bar->aqa);
- writeq(nvmeq->sq_dma_addr, &dev->bar->asq);
- writeq(nvmeq->cq_dma_addr, &dev->bar->acq);
+ lo_hi_writeq(nvmeq->sq_dma_addr, &dev->bar->asq);
+ lo_hi_writeq(nvmeq->cq_dma_addr, &dev->bar->acq);
result = nvme_enable_ctrl(dev, cap);
if (result)
@@ -2606,7 +2606,7 @@ static int nvme_dev_add(struct nvme_dev *dev)
struct pci_dev *pdev = to_pci_dev(dev->dev);
int res;
struct nvme_id_ctrl *ctrl;
- int shift = NVME_CAP_MPSMIN(readq(&dev->bar->cap)) + 12;
+ int shift = NVME_CAP_MPSMIN(lo_hi_readq(&dev->bar->cap)) + 12;
res = nvme_identify_ctrl(dev, &ctrl);
if (res) {
@@ -2622,6 +2622,8 @@ static int nvme_dev_add(struct nvme_dev *dev)
memcpy(dev->firmware_rev, ctrl->fr, sizeof(ctrl->fr));
if (ctrl->mdts)
dev->max_hw_sectors = 1 << (ctrl->mdts + shift - 9);
+ else
+ dev->max_hw_sectors = UINT_MAX;
if ((pdev->vendor == PCI_VENDOR_ID_INTEL) &&
(pdev->device == 0x0953) && ctrl->vs[3]) {
unsigned int max_hw_sectors;
@@ -2695,7 +2697,7 @@ static int nvme_dev_map(struct nvme_dev *dev)
goto unmap;
}
- cap = readq(&dev->bar->cap);
+ cap = lo_hi_readq(&dev->bar->cap);
dev->q_depth = min_t(int, NVME_CAP_MQES(cap) + 1, NVME_Q_DEPTH);
dev->db_stride = 1 << NVME_CAP_STRIDE(cap);
dev->dbs = ((void __iomem *)dev->bar) + 4096;
@@ -2758,7 +2760,7 @@ static void nvme_wait_dq(struct nvme_delq_ctx *dq, struct nvme_dev *dev)
* queues than admin tags.
*/
set_current_state(TASK_RUNNING);
- nvme_disable_ctrl(dev, readq(&dev->bar->cap));
+ nvme_disable_ctrl(dev, lo_hi_readq(&dev->bar->cap));
nvme_clear_queue(dev->queues[0]);
flush_kthread_worker(dq->worker);
nvme_disable_queue(dev, 0);
@@ -3401,6 +3403,7 @@ static const struct pci_error_handlers nvme_err_handler = {
static const struct pci_device_id nvme_id_table[] = {
{ PCI_DEVICE_CLASS(PCI_CLASS_STORAGE_EXPRESS, 0xffffff) },
+ { PCI_DEVICE(PCI_VENDOR_ID_APPLE, 0x2001) },
{ 0, }
};
MODULE_DEVICE_TABLE(pci, nvme_id_table);