Merge branch 'hfi1-2' into k.o/for-4.7

78 files changed, 551 insertions, 2994 deletions

diff --git a/MAINTAINERS b/MAINTAINERS
index c8025946eaae..98234560cfdc 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -5086,6 +5086,13 @@ F:	drivers/block/cciss*
 F:	include/linux/cciss_ioctl.h
 F:	include/uapi/linux/cciss_ioctl.h
 
+HFI1 DRIVER
+M:	Mike Marciniszyn <mike.marciniszyn@intel.com>
+M:	Dennis Dalessandro <dennis.dalessandro@intel.com>
+L:	linux-rdma@vger.kernel.org
+S:	Supported
+F:	drivers/infiniband/hw/hfi1
+
 HFS FILESYSTEM
 L:	linux-fsdevel@vger.kernel.org
 S:	Orphan
@@ -10661,12 +10668,6 @@ M:	Arnaud Patard <arnaud.patard@rtp-net.org>
 S:	Odd Fixes
 F:	drivers/staging/xgifb/
 
-HFI1 DRIVER
-M:	Mike Marciniszyn <infinipath@intel.com>
-L:	linux-rdma@vger.kernel.org
-S:	Supported
-F:	drivers/staging/rdma/hfi1
-
 STARFIRE/DURALAN NETWORK DRIVER
 M:	Ion Badulescu <ionut@badula.org>
 S:	Odd Fixes
diff --git a/drivers/infiniband/Kconfig b/drivers/infiniband/Kconfig
index 6425c0e5d18a..2137adfbd8c3 100644
--- a/drivers/infiniband/Kconfig
+++ b/drivers/infiniband/Kconfig
@@ -85,4 +85,6 @@ source "drivers/infiniband/ulp/isert/Kconfig"
 
 source "drivers/infiniband/sw/rdmavt/Kconfig"
 
+source "drivers/infiniband/hw/hfi1/Kconfig"
+
 endif # INFINIBAND
diff --git a/drivers/infiniband/hw/Makefile b/drivers/infiniband/hw/Makefile
index c7ad0a4c8b15..c0c7cf8af3f4 100644
--- a/drivers/infiniband/hw/Makefile
+++ b/drivers/infiniband/hw/Makefile
@@ -8,3 +8,4 @@ obj-$(CONFIG_MLX5_INFINIBAND)		+= mlx5/
 obj-$(CONFIG_INFINIBAND_NES)		+= nes/
 obj-$(CONFIG_INFINIBAND_OCRDMA)		+= ocrdma/
 obj-$(CONFIG_INFINIBAND_USNIC)		+= usnic/
+obj-$(CONFIG_INFINIBAND_HFI1)		+= hfi1/
diff --git a/drivers/staging/rdma/hfi1/Kconfig b/drivers/infiniband/hw/hfi1/Kconfig
index a925fb0db706..a925fb0db706 100644
--- a/drivers/staging/rdma/hfi1/Kconfig
+++ b/drivers/infiniband/hw/hfi1/Kconfig
diff --git a/drivers/staging/rdma/hfi1/Makefile b/drivers/infiniband/hw/hfi1/Makefile
index 8dc59382ee96..9b5382c94b0c 100644
--- a/drivers/staging/rdma/hfi1/Makefile
+++ b/drivers/infiniband/hw/hfi1/Makefile
@@ -7,7 +7,7 @@
 #
 obj-$(CONFIG_INFINIBAND_HFI1) += hfi1.o
 
-hfi1-y := affinity.o chip.o device.o diag.o driver.o efivar.o \
+hfi1-y := affinity.o chip.o device.o driver.o efivar.o \
 	eprom.o file_ops.o firmware.o \
 	init.o intr.o mad.o mmu_rb.o pcie.o pio.o pio_copy.o platform.o \
 	qp.o qsfp.o rc.o ruc.o sdma.o sysfs.o trace.o twsi.o \
diff --git a/drivers/staging/rdma/hfi1/affinity.c b/drivers/infiniband/hw/hfi1/affinity.c
index 6e7050ab9e16..6e7050ab9e16 100644
--- a/drivers/staging/rdma/hfi1/affinity.c
+++ b/drivers/infiniband/hw/hfi1/affinity.c
diff --git a/drivers/staging/rdma/hfi1/affinity.h b/drivers/infiniband/hw/hfi1/affinity.h
index 20f52fe74091..20f52fe74091 100644
--- a/drivers/staging/rdma/hfi1/affinity.h
+++ b/drivers/infiniband/hw/hfi1/affinity.h
diff --git a/drivers/staging/rdma/hfi1/aspm.h b/drivers/infiniband/hw/hfi1/aspm.h
index 0d58fe3b49b5..0d58fe3b49b5 100644
--- a/drivers/staging/rdma/hfi1/aspm.h
+++ b/drivers/infiniband/hw/hfi1/aspm.h
diff --git a/drivers/staging/rdma/hfi1/chip.c b/drivers/infiniband/hw/hfi1/chip.c
index dcae8e723f98..3b876da745a1 100644
--- a/drivers/staging/rdma/hfi1/chip.c
+++ b/drivers/infiniband/hw/hfi1/chip.c
@@ -1037,6 +1037,7 @@ static void dc_shutdown(struct hfi1_devdata *);
 static void dc_start(struct hfi1_devdata *);
 static int qos_rmt_entries(struct hfi1_devdata *dd, unsigned int *mp,
 			   unsigned int *np);
+static void remove_full_mgmt_pkey(struct hfi1_pportdata *ppd);
 
 /*
  * Error interrupt table entry.  This is used as input to the interrupt
@@ -6105,7 +6106,7 @@ int acquire_lcb_access(struct hfi1_devdata *dd, int sleep_ok)
 	}
 
 	/* this access is valid only when the link is up */
-	if ((ppd->host_link_state & HLS_UP) == 0) {
+	if (ppd->host_link_state & HLS_DOWN) {
 		dd_dev_info(dd, "%s: link state %s not up\n",
 			    __func__, link_state_name(ppd->host_link_state));
 		ret = -EBUSY;
@@ -6961,6 +6962,8 @@ void handle_link_down(struct work_struct *work)
 	}
 
 	reset_neighbor_info(ppd);
+	if (ppd->mgmt_allowed)
+		remove_full_mgmt_pkey(ppd);
 
 	/* disable the port */
 	clear_rcvctrl(ppd->dd, RCV_CTRL_RCV_PORT_ENABLE_SMASK);
@@ -7069,6 +7072,12 @@ static void add_full_mgmt_pkey(struct hfi1_pportdata *ppd)
 	(void)hfi1_set_ib_cfg(ppd, HFI1_IB_CFG_PKEYS, 0);
 }
 
+static void remove_full_mgmt_pkey(struct hfi1_pportdata *ppd)
+{
+	ppd->pkeys[2] = 0;
+	(void)hfi1_set_ib_cfg(ppd, HFI1_IB_CFG_PKEYS, 0);
+}
+
 /*
  * Convert the given link width to the OPA link width bitmask.
  */
@@ -7429,7 +7438,7 @@ void apply_link_downgrade_policy(struct hfi1_pportdata *ppd, int refresh_widths)
 retry:
 	mutex_lock(&ppd->hls_lock);
 	/* only apply if the link is up */
-	if (!(ppd->host_link_state & HLS_UP)) {
+	if (ppd->host_link_state & HLS_DOWN) {
 		/* still going up..wait and retry */
 		if (ppd->host_link_state & HLS_GOING_UP) {
 			if (++tries < 1000) {
@@ -9212,9 +9221,6 @@ void reset_qsfp(struct hfi1_pportdata *ppd)
 
 	/* Reset the QSFP */
 	mask = (u64)QSFP_HFI0_RESET_N;
-	qsfp_mask = read_csr(dd, dd->hfi1_id ? ASIC_QSFP2_OE : ASIC_QSFP1_OE);
-	qsfp_mask |= mask;
-	write_csr(dd, dd->hfi1_id ? ASIC_QSFP2_OE : ASIC_QSFP1_OE, qsfp_mask);
 
 	qsfp_mask = read_csr(dd,
 			     dd->hfi1_id ? ASIC_QSFP2_OUT : ASIC_QSFP1_OUT);
@@ -9252,6 +9258,12 @@ static int handle_qsfp_error_conditions(struct hfi1_pportdata *ppd,
 		dd_dev_info(dd, "%s: QSFP cable temperature too low\n",
 			    __func__);
 
+	/*
+	 * The remaining alarms/warnings don't matter if the link is down.
+	 */
+	if (ppd->host_link_state & HLS_DOWN)
+		return 0;
+
 	if ((qsfp_interrupt_status[1] & QSFP_HIGH_VCC_ALARM) ||
 	    (qsfp_interrupt_status[1] & QSFP_HIGH_VCC_WARNING))
 		dd_dev_info(dd, "%s: QSFP supply voltage too high\n",
@@ -9346,9 +9358,8 @@ void qsfp_event(struct work_struct *work)
 		return;
 
 	/*
-	 * Turn DC back on after cables has been
-	 * re-inserted. Up until now, the DC has been in
-	 * reset to save power.
+	 * Turn DC back on after cable has been re-inserted. Up until
+	 * now, the DC has been in reset to save power.
 	 */
 	dc_start(dd);
 
@@ -9480,7 +9491,15 @@ int bringup_serdes(struct hfi1_pportdata *ppd)
 			return ret;
 	}
 
-	/* tune the SERDES to a ballpark setting for
+	get_port_type(ppd);
+	if (ppd->port_type == PORT_TYPE_QSFP) {
+		set_qsfp_int_n(ppd, 0);
+		wait_for_qsfp_init(ppd);
+		set_qsfp_int_n(ppd, 1);
+	}
+
+	/*
+	 * Tune the SerDes to a ballpark setting for
 	 * optimal signal and bit error rate
 	 * Needs to be done before starting the link
 	 */
@@ -10074,7 +10093,7 @@ u32 driver_physical_state(struct hfi1_pportdata *ppd)
  */
 u32 driver_logical_state(struct hfi1_pportdata *ppd)
 {
-	if (ppd->host_link_state && !(ppd->host_link_state & HLS_UP))
+	if (ppd->host_link_state && (ppd->host_link_state & HLS_DOWN))
 		return IB_PORT_DOWN;
 
 	switch (ppd->host_link_state & HLS_UP) {
@@ -14578,7 +14597,7 @@ u64 create_pbc(struct hfi1_pportdata *ppd, u64 flags, int srate_mbs, u32 vl,
 		   (reason), (ret))
 
 /*
- * Initialize the Avago Thermal sensor.
+ * Initialize the thermal sensor.
  *
  * After initialization, enable polling of thermal sensor through
  * SBus interface. In order for this to work, the SBus Master
diff --git a/drivers/staging/rdma/hfi1/chip.h b/drivers/infiniband/hw/hfi1/chip.h
index 1948706fff1a..66a327978739 100644
--- a/drivers/staging/rdma/hfi1/chip.h
+++ b/drivers/infiniband/hw/hfi1/chip.h
@@ -398,6 +398,12 @@
 /* Lane ID for general configuration registers */
 #define GENERAL_CONFIG 4
 
+/* LINK_TUNING_PARAMETERS fields */
+#define TUNING_METHOD_SHIFT 24
+
+/* LINK_OPTIMIZATION_SETTINGS fields */
+#define ENABLE_EXT_DEV_CONFIG_SHIFT 24
+
 /* LOAD_DATA 8051 command shifts and fields */
 #define LOAD_DATA_FIELD_ID_SHIFT 40
 #define LOAD_DATA_FIELD_ID_MASK 0xfull
diff --git a/drivers/staging/rdma/hfi1/chip_registers.h b/drivers/infiniband/hw/hfi1/chip_registers.h
index 8744de6667c2..8744de6667c2 100644
--- a/drivers/staging/rdma/hfi1/chip_registers.h
+++ b/drivers/infiniband/hw/hfi1/chip_registers.h
diff --git a/drivers/staging/rdma/hfi1/common.h b/drivers/infiniband/hw/hfi1/common.h
index e9b6bb322025..fcc9c217a97a 100644
--- a/drivers/staging/rdma/hfi1/common.h
+++ b/drivers/infiniband/hw/hfi1/common.h
@@ -178,7 +178,8 @@
 		     HFI1_CAP_PKEY_CHECK |		\
 		     HFI1_CAP_NO_INTEGRITY)
 
-#define HFI1_USER_SWVERSION ((HFI1_USER_SWMAJOR << 16) | HFI1_USER_SWMINOR)
+#define HFI1_USER_SWVERSION ((HFI1_USER_SWMAJOR << HFI1_SWMAJOR_SHIFT) | \
+			     HFI1_USER_SWMINOR)
 
 #ifndef HFI1_KERN_TYPE
 #define HFI1_KERN_TYPE 0
@@ -349,6 +350,8 @@ struct hfi1_message_header {
 #define HFI1_BECN_MASK 1
 #define HFI1_BECN_SMASK BIT(HFI1_BECN_SHIFT)
 
+#define HFI1_PSM_IOC_BASE_SEQ 0x0
+
 static inline __u64 rhf_to_cpu(const __le32 *rbuf)
 {
 	return __le64_to_cpu(*((__le64 *)rbuf));
diff --git a/drivers/staging/rdma/hfi1/debugfs.c b/drivers/infiniband/hw/hfi1/debugfs.c
index dbab9d9cc288..dbab9d9cc288 100644
--- a/drivers/staging/rdma/hfi1/debugfs.c
+++ b/drivers/infiniband/hw/hfi1/debugfs.c
diff --git a/drivers/staging/rdma/hfi1/debugfs.h b/drivers/infiniband/hw/hfi1/debugfs.h
index b6fb6814f1b8..b6fb6814f1b8 100644
--- a/drivers/staging/rdma/hfi1/debugfs.h
+++ b/drivers/infiniband/hw/hfi1/debugfs.h
diff --git a/drivers/staging/rdma/hfi1/device.c b/drivers/infiniband/hw/hfi1/device.c
index c05c39da83b1..bf64b5a7bfd7 100644
--- a/drivers/staging/rdma/hfi1/device.c
+++ b/drivers/infiniband/hw/hfi1/device.c
@@ -60,7 +60,8 @@ static dev_t hfi1_dev;
 int hfi1_cdev_init(int minor, const char *name,
 		   const struct file_operations *fops,
 		   struct cdev *cdev, struct device **devp,
-		   bool user_accessible)
+		   bool user_accessible,
+		   struct kobject *parent)
 {
 	const dev_t dev = MKDEV(MAJOR(hfi1_dev), minor);
 	struct device *device = NULL;
@@ -68,6 +69,7 @@ int hfi1_cdev_init(int minor, const char *name,
 
 	cdev_init(cdev, fops);
 	cdev->owner = THIS_MODULE;
+	cdev->kobj.parent = parent;
 	kobject_set_name(&cdev->kobj, name);
 
 	ret = cdev_add(cdev, dev, 1);
@@ -82,13 +84,13 @@ int hfi1_cdev_init(int minor, const char *name,
 	else
 		device = device_create(class, NULL, dev, NULL, "%s", name);
 
-	if (!IS_ERR(device))
-		goto done;
-	ret = PTR_ERR(device);
-	device = NULL;
-	pr_err("Could not create device for minor %d, %s (err %d)\n",
-	       minor, name, -ret);
-	cdev_del(cdev);
+	if (IS_ERR(device)) {
+		ret = PTR_ERR(device);
+		device = NULL;
+		pr_err("Could not create device for minor %d, %s (err %d)\n",
+			minor, name, -ret);
+		cdev_del(cdev);
+	}
 done:
 	*devp = device;
 	return ret;
diff --git a/drivers/staging/rdma/hfi1/device.h b/drivers/infiniband/hw/hfi1/device.h
index 5bb3e83cf2da..c3ec19cb0ac9 100644
--- a/drivers/staging/rdma/hfi1/device.h
+++ b/drivers/infiniband/hw/hfi1/device.h
@@ -50,7 +50,8 @@
 int hfi1_cdev_init(int minor, const char *name,
 		   const struct file_operations *fops,
 		   struct cdev *cdev, struct device **devp,
-		   bool user_accessible);
+		   bool user_accessible,
+		   struct kobject *parent);
 void hfi1_cdev_cleanup(struct cdev *cdev, struct device **devp);
 const char *class_name(void);
 int __init dev_init(void);
diff --git a/drivers/staging/rdma/hfi1/dma.c b/drivers/infiniband/hw/hfi1/dma.c
index 7e8dab892848..7e8dab892848 100644
--- a/drivers/staging/rdma/hfi1/dma.c
+++ b/drivers/infiniband/hw/hfi1/dma.c
diff --git a/drivers/staging/rdma/hfi1/driver.c b/drivers/infiniband/hw/hfi1/driver.c
index 700c6fa3a633..c75b0ae688f8 100644
--- a/drivers/staging/rdma/hfi1/driver.c
+++ b/drivers/infiniband/hw/hfi1/driver.c
@@ -1161,7 +1161,7 @@ int hfi1_set_lid(struct hfi1_pportdata *ppd, u32 lid, u8 lmc)
 	ppd->lmc = lmc;
 	hfi1_set_ib_cfg(ppd, HFI1_IB_CFG_LIDLMC, 0);
 
-	dd_dev_info(dd, "IB%u:%u got a lid: 0x%x\n", dd->unit, ppd->port, lid);
+	dd_dev_info(dd, "port %u: got a lid: 0x%x\n", ppd->port, lid);
 
 	return 0;
 }
diff --git a/drivers/staging/rdma/hfi1/efivar.c b/drivers/infiniband/hw/hfi1/efivar.c
index 106349fc1fb9..106349fc1fb9 100644
--- a/drivers/staging/rdma/hfi1/efivar.c
+++ b/drivers/infiniband/hw/hfi1/efivar.c
diff --git a/drivers/staging/rdma/hfi1/efivar.h b/drivers/infiniband/hw/hfi1/efivar.h
index 94e9e70de568..94e9e70de568 100644
--- a/drivers/staging/rdma/hfi1/efivar.h
+++ b/drivers/infiniband/hw/hfi1/efivar.h
diff --git a/drivers/infiniband/hw/hfi1/eprom.c b/drivers/infiniband/hw/hfi1/eprom.c
new file mode 100644
index 000000000000..36b77943cbfd
--- /dev/null
+++ b/drivers/infiniband/hw/hfi1/eprom.c
@@ -0,0 +1,102 @@
+/*
+ * Copyright(c) 2015, 2016 Intel Corporation.
+ *
+ * This file is provided under a dual BSD/GPLv2 license.  When using or
+ * redistributing this file, you may do so under either license.
+ *
+ * GPL LI