kernel/linux.git/drivers/infiniband/ulp/iser, branch v4.19.112

IB/iser: Fix dma_nents type definition

2020-01-27T13:51:22+00:00

[ Upstream commit c1545f1a200f4adc4ef8dd534bf33e2f1aa22c2f ] The retured value from ib_dma_map_sg saved in dma_nents variable. To avoid future mismatch between types, define dma_nents as an integer instead of unsigned. Fixes: 57b26497fabe ("IB/iser: Pass the correct number of entries for dma mapped SGL") Reported-by: Dan Carpenter Reviewed-by: Israel Rukshin Signed-off-by: Max Gurtovoy Acked-by: Sagi Grimberg Reviewed-by: Dan Carpenter Signed-off-by: Jason Gunthorpe Signed-off-by: Sasha Levin

IB/iser: Pass the correct number of entries for dma mapped SGL

2020-01-27T13:50:14+00:00

[ Upstream commit 57b26497fabe1b9379b59fbc7e35e608e114df16 ] ib_dma_map_sg() augments the SGL into a 'dma mapped SGL'. This process may change the number of entries and the lengths of each entry. Code that touches dma_address is iterating over the 'dma mapped SGL' and must use dma_nents which returned from ib_dma_map_sg(). ib_sg_to_pages() and ib_map_mr_sg() are using dma_address so they must use dma_nents. Fixes: 39405885005a ("IB/iser: Port to new fast registration API") Fixes: bfe066e256d5 ("IB/iser: Reuse ib_sg_to_pages") Signed-off-by: Israel Rukshin Reviewed-by: Max Gurtovoy Acked-by: Sagi Grimberg Signed-off-by: Jason Gunthorpe Signed-off-by: Sasha Levin

IB/iser: bound protection_sg size by data_sg size

2019-12-31T15:34:49+00:00

[ Upstream commit 7718cf03c3ce4b6ebd90107643ccd01c952a1fce ] In case we don't set the sg_prot_tablesize, the scsi layer assign the default size (65535 entries). We should limit this size since we should take into consideration the underlaying device capability. This cap is considered when calculating the sg_tablesize. Otherwise, for example, we can get that /sys/block/sdb/queue/max_segments is 128 and /sys/block/sdb/queue/max_integrity_segments is 65535. Link: https://lore.kernel.org/r/1569359027-10987-1-git-send-email-maxg@mellanox.com Signed-off-by: Max Gurtovoy Reviewed-by: Sagi Grimberg Signed-off-by: Jason Gunthorpe Signed-off-by: Sasha Levin

IB/iser: Fix possible NULL deref at iser_inv_desc()

2019-11-20T17:47:53+00:00

[ Upstream commit 65f07f5a09dacf3b60619f196f096ea3671a5eda ] In case target remote invalidates bogus rkey and signature is not used, pi_ctx is NULL deref. The commit also fails the connection on bogus remote invalidation. Fixes: 59caaed7a72a ("IB/iser: Support the remote invalidation exception") Signed-off-by: Israel Rukshin Reviewed-by: Max Gurtovoy Reviewed-by: Sagi Grimberg Signed-off-by: Jason Gunthorpe Signed-off-by: Sasha Levin

iser: set sector for ambiguous mr status errors

2018-12-08T11:59:06+00:00

commit 24c3456c8d5ee6fc1933ca40f7b4406130682668 upstream. If for some reason we failed to query the mr status, we need to make sure to provide sufficient information for an ambiguous error (guard error on sector 0). Fixes: 0a7a08ad6f5f ("IB/iser: Implement check_protection") Cc: Reported-by: Dan Carpenter Signed-off-by: Sagi Grimberg Signed-off-by: Jason Gunthorpe Signed-off-by: Greg Kroah-Hartman

Merge branch 'linus/master' into rdma.git for-next

2018-08-16T20:21:29+00:00

rdma.git merge resolution for the 4.19 merge window Conflicts: drivers/infiniband/core/rdma_core.c - Use the rdma code and revise with the new spelling for atomic_fetch_add_unless drivers/nvme/host/rdma.c - Replace max_sge with max_send_sge in new blk code drivers/nvme/target/rdma.c - Use the blk code and revise to use NULL for ib_post_recv when appropriate - Replace max_sge with max_recv_sge in new blk code net/rds/ib_send.c - Use the net code and revise to use NULL for ib_post_recv when appropriate Signed-off-by: Jason Gunthorpe

IB/iser: Inline two work request conversion functions

2018-07-31T01:59:40+00:00

Since the next patch will change the return type of these functions into a const pointer and since the iSER driver modifies the work request these functions return a pointer two, inline two work request conversion function calls. This patch does not change any functionality. Signed-off-by: Bart Van Assche Reviewed-by: Sagi Grimberg Reviewed-by: Max Gurtovoy Signed-off-by: Jason Gunthorpe

block: move ref_tag calculation func to the block layer

2018-07-30T14:27:01+00:00

Currently this function is implemented in the scsi layer, but it's actual place should be the block layer since T10-PI is a general data integrity feature that is used in the nvme protocol as well. Suggested-by: Christoph Hellwig Cc: Martin K. Petersen Signed-off-by: Max Gurtovoy Signed-off-by: Jens Axboe

IB/iser: Simplify ib_post_(send|recv|srq_recv)() calls

2018-07-24T22:06:36+00:00

Instead of declaring and passing a dummy 'bad_wr' pointer, pass NULL as third argument to ib_post_(send|recv|srq_recv)(). Signed-off-by: Bart Van Assche Reviewed-by: Sagi Grimberg Reviewed-by: Max Gurtovoy Signed-off-by: Jason Gunthorpe

IB/iser: Remove set-but-not-used variables

2018-07-09T18:11:22+00:00

This patch does not change any functionality. Signed-off-by: Bart Van Assche Cc: Max Gurtovoy Signed-off-by: Jason Gunthorpe