diff options
Diffstat (limited to 'drivers/scsi/bnx2fc/bnx2fc_io.c')
| -rw-r--r-- | drivers/scsi/bnx2fc/bnx2fc_io.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/drivers/scsi/bnx2fc/bnx2fc_io.c b/drivers/scsi/bnx2fc/bnx2fc_io.c index 88c392ba80a9..d7eb5e16efd3 100644 --- a/drivers/scsi/bnx2fc/bnx2fc_io.c +++ b/drivers/scsi/bnx2fc/bnx2fc_io.c @@ -1048,6 +1048,9 @@ int bnx2fc_initiate_cleanup(struct bnx2fc_cmd *io_req) /* Obtain free SQ entry */ bnx2fc_add_2_sq(tgt, xid); + /* Set flag that cleanup request is pending with the firmware */ + set_bit(BNX2FC_FLAG_ISSUE_CLEANUP_REQ, &io_req->req_flags); + /* Ring doorbell */ bnx2fc_ring_doorbell(tgt); @@ -1324,6 +1327,25 @@ void bnx2fc_process_cleanup_compl(struct bnx2fc_cmd *io_req, BNX2FC_IO_DBG(io_req, "Entered process_cleanup_compl " "refcnt = %d, cmd_type = %d\n", kref_read(&io_req->refcount), io_req->cmd_type); + /* + * Test whether there is a cleanup request pending. If not just + * exit. + */ + if (!test_and_clear_bit(BNX2FC_FLAG_ISSUE_CLEANUP_REQ, + &io_req->req_flags)) + return; + /* + * If we receive a cleanup completion for this request then the + * firmware will not give us an abort completion for this request + * so clear any ABTS pending flags. + */ + if (test_bit(BNX2FC_FLAG_ISSUE_ABTS, &io_req->req_flags) && + !test_bit(BNX2FC_FLAG_ABTS_DONE, &io_req->req_flags)) { + set_bit(BNX2FC_FLAG_ABTS_DONE, &io_req->req_flags); + if (io_req->wait_for_abts_comp) + complete(&io_req->abts_done); + } + bnx2fc_scsi_done(io_req, DID_ERROR); kref_put(&io_req->refcount, bnx2fc_cmd_release); if (io_req->wait_for_cleanup_comp) @@ -1351,6 +1373,16 @@ void bnx2fc_process_abts_compl(struct bnx2fc_cmd *io_req, return; } + /* + * If we receive an ABTS completion here then we will not receive + * a cleanup completion so clear any cleanup pending flags. + */ + if (test_bit(BNX2FC_FLAG_ISSUE_CLEANUP_REQ, &io_req->req_flags)) { + clear_bit(BNX2FC_FLAG_ISSUE_CLEANUP_REQ, &io_req->req_flags); + if (io_req->wait_for_cleanup_comp) + complete(&io_req->cleanup_done); + } + /* Do not issue RRQ as this IO is already cleanedup */ if (test_and_set_bit(BNX2FC_FLAG_IO_CLEANUP, &io_req->req_flags)) |