Signed-off-by: Steve Wise <[EMAIL PROTECTED]> --- drivers/infiniband/Kconfig | 1 + drivers/infiniband/Makefile | 1 + drivers/infiniband/hw/cxgb3/Kconfig | 27 +++++++++++++++++++++++++++ drivers/infiniband/hw/cxgb3/Makefile | 12 ++++++++++++ drivers/infiniband/hw/cxgb3/locking.txt | 25 +++++++++++++++++++++++++ 5 files changed, 66 insertions(+), 0 deletions(-)
diff --git a/drivers/infiniband/Kconfig b/drivers/infiniband/Kconfig index 59b3932..06453ab 100644 --- a/drivers/infiniband/Kconfig +++ b/drivers/infiniband/Kconfig @@ -38,6 +38,7 @@ source "drivers/infiniband/hw/mthca/Kcon source "drivers/infiniband/hw/ipath/Kconfig" source "drivers/infiniband/hw/ehca/Kconfig" source "drivers/infiniband/hw/amso1100/Kconfig" +source "drivers/infiniband/hw/cxgb3/Kconfig" source "drivers/infiniband/ulp/ipoib/Kconfig" diff --git a/drivers/infiniband/Makefile b/drivers/infiniband/Makefile index 570b30a..69bdd55 100644 --- a/drivers/infiniband/Makefile +++ b/drivers/infiniband/Makefile @@ -3,6 +3,7 @@ obj-$(CONFIG_INFINIBAND_MTHCA) += hw/mt obj-$(CONFIG_INFINIBAND_IPATH) += hw/ipath/ obj-$(CONFIG_INFINIBAND_EHCA) += hw/ehca/ obj-$(CONFIG_INFINIBAND_AMSO1100) += hw/amso1100/ +obj-$(CONFIG_INFINIBAND_CXGB3) += hw/cxgb3/ obj-$(CONFIG_INFINIBAND_IPOIB) += ulp/ipoib/ obj-$(CONFIG_INFINIBAND_SRP) += ulp/srp/ obj-$(CONFIG_INFINIBAND_ISER) += ulp/iser/ diff --git a/drivers/infiniband/hw/cxgb3/Kconfig b/drivers/infiniband/hw/cxgb3/Kconfig new file mode 100644 index 0000000..84f0f6e --- /dev/null +++ b/drivers/infiniband/hw/cxgb3/Kconfig @@ -0,0 +1,27 @@ +config INFINIBAND_CXGB3 + tristate "Chelsio RDMA Driver" + depends on CHELSIO_T3 && INFINIBAND + select GENERIC_ALLOCATOR + ---help--- + This is an iWARP/RDMA driver for the Chelsio T3 1GbE and + 10GbE adapters. + + For general information about Chelsio and our products, visit + our website at <http://www.chelsio.com>. + + For customer support, please visit our customer support page at + <http://www.chelsio.com/support.htm>. + + Please send feedback to <[EMAIL PROTECTED]>. + + To compile this driver as a module, choose M here: the module + will be called iw_cxgb3. + +config INFINIBAND_CXGB3_DEBUG + bool "Verbose debugging output" + depends on INFINIBAND_CXGB3 + default n + ---help--- + This option causes the Chelsio RDMA driver to produce copious + amounts of debug messages. Select this if you are developing + the driver or trying to diagnose a problem. diff --git a/drivers/infiniband/hw/cxgb3/Makefile b/drivers/infiniband/hw/cxgb3/Makefile new file mode 100644 index 0000000..0df2b3d --- /dev/null +++ b/drivers/infiniband/hw/cxgb3/Makefile @@ -0,0 +1,12 @@ +EXTRA_CFLAGS += -I$(TOPDIR)/drivers/net/cxgb3 \ + -I$(TOPDIR)/drivers/infiniband/hw/cxgb3/core + +obj-$(CONFIG_INFINIBAND_CXGB3) += iw_cxgb3.o + +iw_cxgb3-y := iwch_cm.o iwch_ev.o iwch_cq.o iwch_qp.o iwch_mem.o \ + iwch_provider.o iwch.o core/cxio_hal.o core/cxio_resource.o + +ifdef CONFIG_INFINIBAND_CXGB3_DEBUG +EXTRA_CFLAGS += -DDEBUG -O1 -g +iw_cxgb3-y += core/cxio_dbg.o +endif diff --git a/drivers/infiniband/hw/cxgb3/locking.txt b/drivers/infiniband/hw/cxgb3/locking.txt new file mode 100644 index 0000000..e5e9991 --- /dev/null +++ b/drivers/infiniband/hw/cxgb3/locking.txt @@ -0,0 +1,25 @@ +cq lock: + - spin lock + - used to synchronize the t3_cq + +qp lock: + - spin lock + - used to synchronize updates to the qp state, attrs, and the t3_wq. + - touched on interrupt and process context + +rnicp lock: + - spin lock + - touched on interrupt and process context + - used around lookup tables mapping CQID and QPID to a structure. + - used also to bump the refcnt atomically with the lookup. + +poll: + lock+disable on cq lock + lock qp lock for each cqe that is polled around the call + to cxio_poll_cq(). + +post: + lock+disable qp lock + +global mutex iwch_mutex: + used to maintain global device list. - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html
