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authorLinus Torvalds <torvalds@linux-foundation.org>2014-01-24 17:18:32 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2014-01-24 17:18:32 -0800
commit8e585a6c4abdef8562308f3f307aeea6cf168e8b (patch)
tree70236b30b362123b009f2b723056072f7028d75e /Documentation/scsi
parent1b59bab55e36082b1db3dc81bb32475616487a98 (diff)
parentfb1b5034e4987b158179a62732fb6dfb8f7ec88e (diff)
Merge tag 'rdma-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband
Pull infiniband updates from Roland Dreier: "Main batch of InfiniBand/RDMA changes for 3.14: - Flow steering for InfiniBand UD traffic - IP-based addressing for IBoE aka RoCE - Pass SRP submaintainership from Dave to Bart - SRP transport fixes from Bart - Add the new Cisco usNIC low-level device driver - Various other fixes" * tag 'rdma-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband: (75 commits) IB/mlx5: Verify reserved fields are cleared IB/mlx5: Remove old field for create mkey mailbox IB/mlx5: Abort driver cleanup if teardown hca fails IB/mlx5: Allow creation of QPs with zero-length work queues mlx5_core: Fix PowerPC support mlx5_core: Improve debugfs readability IB/mlx5: Add support for resize CQ IB/mlx5: Implement modify CQ IB/mlx5: Make sure doorbell record is visible before doorbell mlx5_core: Use mlx5 core style warning IB/mlx5: Clear out struct before create QP command mlx5_core: Fix out arg size in access_register command RDMA/nes: Slight optimization of Ethernet address compare IB/qib: Fix QP check when looping back to/from QP1 RDMA/cxgb4: Fix gcc warning on 32-bit arch IB/usnic: Remove unused includes of <linux/version.h> RDMA/amso1100: Add check if cache memory was allocated before freeing it IPoIB: Report operstate consistently when brought up without a link IB/core: Fix unused variable warning RDMA/cma: Handle global/non-linklocal IPv6 addresses in cma_check_linklocal() ...
Diffstat (limited to 'Documentation/scsi')
-rw-r--r--Documentation/scsi/scsi_transport_srp/Makefile7
-rw-r--r--Documentation/scsi/scsi_transport_srp/rport_state_diagram.dot26
2 files changed, 33 insertions, 0 deletions
diff --git a/Documentation/scsi/scsi_transport_srp/Makefile b/Documentation/scsi/scsi_transport_srp/Makefile
new file mode 100644
index 000000000000..5f6b567e955c
--- /dev/null
+++ b/Documentation/scsi/scsi_transport_srp/Makefile
@@ -0,0 +1,7 @@
+all: rport_state_diagram.svg rport_state_diagram.png
+
+rport_state_diagram.svg: rport_state_diagram.dot
+ dot -Tsvg -o $@ $<
+
+rport_state_diagram.png: rport_state_diagram.dot
+ dot -Tpng -o $@ $<
diff --git a/Documentation/scsi/scsi_transport_srp/rport_state_diagram.dot b/Documentation/scsi/scsi_transport_srp/rport_state_diagram.dot
new file mode 100644
index 000000000000..75d610d6411a
--- /dev/null
+++ b/Documentation/scsi/scsi_transport_srp/rport_state_diagram.dot
@@ -0,0 +1,26 @@
+digraph srp_initiator {
+ node [shape = doublecircle]; running lost;
+ node [shape = circle];
+
+ {
+ rank = min;
+ running_rta [ label = "running;\nreconnect\ntimer\nactive" ];
+ };
+ running [ label = "running;\nreconnect\ntimer\nstopped" ];
+ blocked;
+ failfast [ label = "fail I/O\nfast" ];
+ lost;
+
+ running -> running_rta [ label = "fast_io_fail_tmo = off and\ndev_loss_tmo = off;\nsrp_start_tl_fail_timers()" ];
+ running_rta -> running [ label = "fast_io_fail_tmo = off and\ndev_loss_tmo = off;\nreconnecting succeeded" ];
+ running -> blocked [ label = "fast_io_fail_tmo >= 0 or\ndev_loss_tmo >= 0;\nsrp_start_tl_fail_timers()" ];
+ running -> failfast [ label = "fast_io_fail_tmo = off and\ndev_loss_tmo = off;\nreconnecting failed\n" ];
+ blocked -> failfast [ label = "fast_io_fail_tmo\nexpired or\nreconnecting\nfailed" ];
+ blocked -> lost [ label = "dev_loss_tmo\nexpired or\nsrp_stop_rport_timers()" ];
+ failfast -> lost [ label = "dev_loss_tmo\nexpired or\nsrp_stop_rport_timers()" ];
+ blocked -> running [ label = "reconnecting\nsucceeded" ];
+ failfast -> failfast [ label = "reconnecting\nfailed" ];
+ failfast -> running [ label = "reconnecting\nsucceeded" ];
+ running -> lost [ label = "srp_stop_rport_timers()" ];
+ running_rta -> lost [ label = "srp_stop_rport_timers()" ];
+}

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