diff options
| author | Chad Dupuis <chad.dupuis@qlogic.com> | 2012-08-22 14:21:00 -0400 |
|---|---|---|
| committer | James Bottomley <JBottomley@Parallels.com> | 2012-09-24 12:03:36 +0400 |
| commit | 5f16b331d83757ad5154af07b449c722fef45d5e (patch) | |
| tree | e5ba70e771d5de6cf0e2d5ecf7ceb2ae9a90946d /drivers/scsi/qla2xxx/qla_os.c | |
| parent | 09543c09ea37e15f806f29f0cdcbcc9417dbfa01 (diff) | |
| download | talos-op-linux-5f16b331d83757ad5154af07b449c722fef45d5e.tar.gz talos-op-linux-5f16b331d83757ad5154af07b449c722fef45d5e.zip | |
[SCSI] qla2xxx: Use bitmap to store loop_id's for fcports.
Store used fcport loop_id's in a bitmap so that as opposed to looping through
all fcports to find the next free loop_id, new loop_id lookup can be just be
done via bitops.
[jejb: plus fix for incorrect LOOPID_MAP_SIZE from Andrew Vasquez]
Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com>
Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'drivers/scsi/qla2xxx/qla_os.c')
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_os.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c index caa4ce417681..5f990291c259 100644 --- a/drivers/scsi/qla2xxx/qla_os.c +++ b/drivers/scsi/qla2xxx/qla_os.c @@ -2872,6 +2872,7 @@ void qla2x00_free_fcports(struct scsi_qla_host *vha) list_for_each_entry_safe(fcport, tfcport, &vha->vp_fcports, list) { list_del(&fcport->list); + qla2x00_clear_loop_id(fcport); kfree(fcport); fcport = NULL; } @@ -3169,6 +3170,18 @@ qla2x00_mem_alloc(struct qla_hw_data *ha, uint16_t req_len, uint16_t rsp_len, } INIT_LIST_HEAD(&ha->vp_list); + + /* Allocate memory for our loop_id bitmap */ + ha->loop_id_map = kzalloc(BITS_TO_LONGS(LOOPID_MAP_SIZE) * sizeof(long), + GFP_KERNEL); + if (!ha->loop_id_map) + goto fail_async_pd; + else { + qla2x00_set_reserved_loop_ids(ha); + ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0123, + "loop_id_map=%p. \n", ha->loop_id_map); + } + return 1; fail_async_pd: @@ -3352,6 +3365,7 @@ qla2x00_mem_free(struct qla_hw_data *ha) kfree(ha->nvram); kfree(ha->npiv_info); kfree(ha->swl); + kfree(ha->loop_id_map); ha->srb_mempool = NULL; ha->ctx_mempool = NULL; @@ -3687,7 +3701,7 @@ void qla2x00_relogin(struct scsi_qla_host *vha) } if (fcport->login_retry == 0 && status != QLA_SUCCESS) - fcport->loop_id = FC_NO_LOOP_ID; + qla2x00_clear_loop_id(fcport); } if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) break; |
