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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-08-07 13:11:40 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-08-07 13:11:40 +0000 |
commit | 8b0a8165cdad0f4133837d753649ef4682e42c3b (patch) | |
tree | 5c58f869f31ddb1f7bd6e8bdea269b680b36c5b6 /drivers/s390/block/scm_blk.c | |
parent | Releasing progress-linux version 6.8.12-1~progress7.99u1. (diff) | |
download | linux-8b0a8165cdad0f4133837d753649ef4682e42c3b.tar.xz linux-8b0a8165cdad0f4133837d753649ef4682e42c3b.zip |
Merging upstream version 6.9.7.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/s390/block/scm_blk.c')
-rw-r--r-- | drivers/s390/block/scm_blk.c | 23 |
1 files changed, 12 insertions, 11 deletions
diff --git a/drivers/s390/block/scm_blk.c b/drivers/s390/block/scm_blk.c index ade95e91b3..1d456a5a3b 100644 --- a/drivers/s390/block/scm_blk.c +++ b/drivers/s390/block/scm_blk.c @@ -131,7 +131,7 @@ static void scm_request_done(struct scm_request *scmrq) for (i = 0; i < nr_requests_per_io && scmrq->request[i]; i++) { msb = &scmrq->aob->msb[i]; - aidaw = (u64)phys_to_virt(msb->data_addr); + aidaw = (u64)dma64_to_virt(msb->data_addr); if ((msb->flags & MSB_FLAG_IDA) && aidaw && IS_ALIGNED(aidaw, PAGE_SIZE)) @@ -196,12 +196,12 @@ static int scm_request_prepare(struct scm_request *scmrq) msb->scm_addr = scmdev->address + ((u64) blk_rq_pos(req) << 9); msb->oc = (rq_data_dir(req) == READ) ? MSB_OC_READ : MSB_OC_WRITE; msb->flags |= MSB_FLAG_IDA; - msb->data_addr = (u64)virt_to_phys(aidaw); + msb->data_addr = virt_to_dma64(aidaw); rq_for_each_segment(bv, req, iter) { WARN_ON(bv.bv_offset); msb->blk_count += bv.bv_len >> 12; - aidaw->data_addr = virt_to_phys(page_address(bv.bv_page)); + aidaw->data_addr = virt_to_dma64(page_address(bv.bv_page)); aidaw++; } @@ -435,10 +435,17 @@ static const struct blk_mq_ops scm_mq_ops = { int scm_blk_dev_setup(struct scm_blk_dev *bdev, struct scm_device *scmdev) { - unsigned int devindex, nr_max_blk; + struct queue_limits lim = { + .logical_block_size = 1 << 12, + }; + unsigned int devindex; struct request_queue *rq; int len, ret; + lim.max_segments = min(scmdev->nr_max_block, + (unsigned int) (PAGE_SIZE / sizeof(struct aidaw))); + lim.max_hw_sectors = lim.max_segments << 3; /* 8 * 512 = blk_size */ + devindex = atomic_inc_return(&nr_devices) - 1; /* scma..scmz + scmaa..scmzz */ if (devindex > 701) { @@ -462,18 +469,12 @@ int scm_blk_dev_setup(struct scm_blk_dev *bdev, struct scm_device *scmdev) if (ret) goto out; - bdev->gendisk = blk_mq_alloc_disk(&bdev->tag_set, scmdev); + bdev->gendisk = blk_mq_alloc_disk(&bdev->tag_set, &lim, scmdev); if (IS_ERR(bdev->gendisk)) { ret = PTR_ERR(bdev->gendisk); goto out_tag; } rq = bdev->rq = bdev->gendisk->queue; - nr_max_blk = min(scmdev->nr_max_block, - (unsigned int) (PAGE_SIZE / sizeof(struct aidaw))); - - blk_queue_logical_block_size(rq, 1 << 12); - blk_queue_max_hw_sectors(rq, nr_max_blk << 3); /* 8 * 512 = blk_size */ - blk_queue_max_segments(rq, nr_max_blk); blk_queue_flag_set(QUEUE_FLAG_NONROT, rq); blk_queue_flag_clear(QUEUE_FLAG_ADD_RANDOM, rq); |