From dc1bdbd9b8a077018d82230bc378f1bcfd8adba8 Mon Sep 17 00:00:00 2001 From: Bart Van Assche Date: Fri, 16 Sep 2011 20:41:13 +0200 Subject: IB/srp: Allow SRP disconnect through sysfs Make it possible to disconnect the IB RC connection used by the SRP protocol to communicate with a target. Have the SRP transport layer create a sysfs "delete" attribute for initiator drivers that support this functionality. Signed-off-by: Bart Van Assche Acked-by: David Dillow Cc: FUJITA Tomonori Cc: Robert Jennings Signed-off-by: Roland Dreier --- drivers/infiniband/ulp/srp/ib_srp.c | 10 ++++++++++ 1 file changed, 10 insertions(+) (limited to 'drivers/infiniband/ulp/srp/ib_srp.c') diff --git a/drivers/infiniband/ulp/srp/ib_srp.c b/drivers/infiniband/ulp/srp/ib_srp.c index 84d9298ed989..d5088ce78290 100644 --- a/drivers/infiniband/ulp/srp/ib_srp.c +++ b/drivers/infiniband/ulp/srp/ib_srp.c @@ -549,6 +549,13 @@ static void srp_remove_work(struct work_struct *work) srp_remove_target(target); } +static void srp_rport_delete(struct srp_rport *rport) +{ + struct srp_target_port *target = rport->lld_data; + + srp_queue_remove_work(target); +} + static int srp_connect_target(struct srp_target_port *target) { int retries = 3; @@ -1958,6 +1965,8 @@ static int srp_add_target(struct srp_host *host, struct srp_target_port *target) return PTR_ERR(rport); } + rport->lld_data = target; + spin_lock(&host->target_lock); list_add_tail(&target->list, &host->target_list); spin_unlock(&host->target_lock); @@ -2524,6 +2533,7 @@ static void srp_remove_one(struct ib_device *device) } static struct srp_function_template ib_srp_transport_functions = { + .rport_delete = srp_rport_delete, }; static int __init srp_init_module(void) -- cgit v1.2.3