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authorVasu Dev <vasu.dev@intel.com>2012-05-25 10:26:38 -0700
committerJames Bottomley <JBottomley@Parallels.com>2012-07-20 08:31:47 +0100
commite58abb0ca423fc7adcf70bee018723b87c9e38c2 (patch)
treea40305e74b6c8f52261a05bbdca87f61d1d89877 /include/scsi
parent85efc72a0218335324d358ac479a04c16316fd4d (diff)
downloadlinux-linaro-stable-e58abb0ca423fc7adcf70bee018723b87c9e38c2.tar.gz
[SCSI] fc: add some more FC specific stats to fc_host
The libfc provides more flexibility and with that we can monitor some more FC specific stats for FC exches or FCP error cases, this patch add such new FC stats. The patch adds *only* FC specific new stats to existing fc_host attribute container. Added stats names are self explanatory as existing FC stats already has, however anyway still added commentary along their definition to describe them. Signed-off-by: Vasu Dev <vasu.dev@intel.com> Acked-by : Robert Love <robert.w.love@intel.com> Tested-by: Ross Brattain <ross.b.brattain@intel.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'include/scsi')
-rw-r--r--include/scsi/scsi_transport_fc.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/include/scsi/scsi_transport_fc.h b/include/scsi/scsi_transport_fc.h
index 719faf1863ad..b797e8fad669 100644
--- a/include/scsi/scsi_transport_fc.h
+++ b/include/scsi/scsi_transport_fc.h
@@ -426,6 +426,18 @@ struct fc_host_statistics {
u64 fcp_control_requests;
u64 fcp_input_megabytes;
u64 fcp_output_megabytes;
+ u64 fcp_packet_alloc_failures; /* fcp packet allocation failures */
+ u64 fcp_packet_aborts; /* fcp packet aborted */
+ u64 fcp_frame_alloc_failures; /* fcp frame allocation failures */
+
+ /* fc exches statistics */
+ u64 fc_no_free_exch; /* no free exch memory */
+ u64 fc_no_free_exch_xid; /* no free exch id */
+ u64 fc_xid_not_found; /* exch not found for a response */
+ u64 fc_xid_busy; /* exch exist for new a request */
+ u64 fc_seq_not_found; /* seq is not found for exchange */
+ u64 fc_non_bls_resp; /* a non BLS response frame with
+ a sequence responder in new exch */
};