Merge 'mlx5-next' into mlx5-devx

The enhanced devx support series needs commit:
9d43faac02e3 ("net/mlx5: Update mlx5_ifc with DEVX UCTX capabilities bits")

Signed-off-by: Doug Ledford <dledford@redhat.com>

7 files changed, 53 insertions, 172 deletions

diff --git a/include/linux/mlx5/device.h b/include/linux/mlx5/device.h
index e326524bafcc..f7c8bebfe472 100644
--- a/include/linux/mlx5/device.h
+++ b/include/linux/mlx5/device.h
@@ -301,9 +301,15 @@ enum {
 	MLX5_EVENT_QUEUE_TYPE_DCT = 6,
 };
 
+/* mlx5 components can subscribe to any one of these events via
+ * mlx5_eq_notifier_register API.
+ */
 enum mlx5_event {
+	/* Special value to subscribe to any event */
+	MLX5_EVENT_TYPE_NOTIFY_ANY	   = 0x0,
+	/* HW events enum start: comp events are not subscribable */
 	MLX5_EVENT_TYPE_COMP		   = 0x0,
-
+	/* HW Async events enum start: subscribable events */
 	MLX5_EVENT_TYPE_PATH_MIG	   = 0x01,
 	MLX5_EVENT_TYPE_COMM_EST	   = 0x02,
 	MLX5_EVENT_TYPE_SQ_DRAINED	   = 0x03,
@@ -341,6 +347,8 @@ enum mlx5_event {
 	MLX5_EVENT_TYPE_FPGA_QP_ERROR      = 0x21,
 
 	MLX5_EVENT_TYPE_DEVICE_TRACER      = 0x26,
+
+	MLX5_EVENT_TYPE_MAX                = MLX5_EVENT_TYPE_DEVICE_TRACER + 1,
 };
 
 enum {
diff --git a/include/linux/mlx5/driver.h b/include/linux/mlx5/driver.h
index f41e6713df10..584d8a5df7eb 100644
--- a/include/linux/mlx5/driver.h
+++ b/include/linux/mlx5/driver.h
@@ -46,10 +46,11 @@
 #include <linux/mempool.h>
 #include <linux/interrupt.h>
 #include <linux/idr.h>
+#include <linux/notifier.h>
 
 #include <linux/mlx5/device.h>
 #include <linux/mlx5/doorbell.h>
-#include <linux/mlx5/srq.h>
+#include <linux/mlx5/eq.h>
 #include <linux/timecounter.h>
 #include <linux/ptp_clock_kernel.h>
 
@@ -193,16 +194,7 @@ struct mlx5_rsc_debug {
 };
 
 enum mlx5_dev_event {
-	MLX5_DEV_EVENT_SYS_ERROR,
-	MLX5_DEV_EVENT_PORT_UP,
-	MLX5_DEV_EVENT_PORT_DOWN,
-	MLX5_DEV_EVENT_PORT_INITIALIZED,
-	MLX5_DEV_EVENT_LID_CHANGE,
-	MLX5_DEV_EVENT_PKEY_CHANGE,
-	MLX5_DEV_EVENT_GUID_CHANGE,
-	MLX5_DEV_EVENT_CLIENT_REREG,
-	MLX5_DEV_EVENT_PPS,
-	MLX5_DEV_EVENT_DELAY_DROP_TIMEOUT,
+	MLX5_DEV_EVENT_SYS_ERROR = 128, /* 0 - 127 are FW events */
 };
 
 enum mlx5_port_status {
@@ -277,6 +269,8 @@ struct mlx5_cmd_stats {
 };
 
 struct mlx5_cmd {
+	struct mlx5_nb    nb;
+
 	void	       *cmd_alloc_buf;
 	dma_addr_t	alloc_dma;
 	int		alloc_size;
@@ -398,20 +392,6 @@ struct mlx5_core_rsc_common {
 	struct completion	free;
 };
 
-struct mlx5_core_srq {
-	struct mlx5_core_rsc_common	common; /* must be first */
-	u32		srqn;
-	int		max;
-	size_t		max_gs;
-	size_t		max_avail_gather;
-	int		wqe_shift;
-	void (*event)	(struct mlx5_core_srq *, enum mlx5_event);
-
-	atomic_t		refcount;
-	struct completion	free;
-	u16		uid;
-};
-
 struct mlx5_uars_page {
 	void __iomem	       *map;
 	bool			wc;
@@ -461,13 +441,8 @@ struct mlx5_core_health {
 };
 
 struct mlx5_qp_table {
-	/* protect radix tree
-	 */
-	spinlock_t		lock;
-	struct radix_tree_root	tree;
-};
+	struct notifier_block   nb;
 
-struct mlx5_srq_table {
 	/* protect radix tree
 	 */
 	spinlock_t		lock;
@@ -507,6 +482,7 @@ struct mlx5_fc_stats {
 	unsigned long sampling_interval; /* jiffies */
 };
 
+struct mlx5_events;
 struct mlx5_mpfs;
 struct mlx5_eswitch;
 struct mlx5_lag;
@@ -533,36 +509,12 @@ struct mlx5_rl_table {
 	struct mlx5_rl_entry   *rl_entry;
 };
 
-enum port_module_event_status_type {
-	MLX5_MODULE_STATUS_PLUGGED   = 0x1,
-	MLX5_MODULE_STATUS_UNPLUGGED = 0x2,
-	MLX5_MODULE_STATUS_ERROR     = 0x3,
-	MLX5_MODULE_STATUS_NUM       = 0x3,
-};
-
-enum  port_module_event_error_type {
-	MLX5_MODULE_EVENT_ERROR_POWER_BUDGET_EXCEEDED,
-	MLX5_MODULE_EVENT_ERROR_LONG_RANGE_FOR_NON_MLNX_CABLE_MODULE,
-	MLX5_MODULE_EVENT_ERROR_BUS_STUCK,
-	MLX5_MODULE_EVENT_ERROR_NO_EEPROM_RETRY_TIMEOUT,
-	MLX5_MODULE_EVENT_ERROR_ENFORCE_PART_NUMBER_LIST,
-	MLX5_MODULE_EVENT_ERROR_UNKNOWN_IDENTIFIER,
-	MLX5_MODULE_EVENT_ERROR_HIGH_TEMPERATURE,
-	MLX5_MODULE_EVENT_ERROR_BAD_CABLE,
-	MLX5_MODULE_EVENT_ERROR_UNKNOWN,
-	MLX5_MODULE_EVENT_ERROR_NUM,
-};
-
-struct mlx5_port_module_event_stats {
-	u64 status_counters[MLX5_MODULE_STATUS_NUM];
-	u64 error_counters[MLX5_MODULE_EVENT_ERROR_NUM];
-};
-
 struct mlx5_priv {
 	char			name[MLX5_MAX_NAME_LEN];
 	struct mlx5_eq_table	*eq_table;
 
 	/* pages stuff */
+	struct mlx5_nb          pg_nb;
 	struct workqueue_struct *pg_wq;
 	struct rb_root		page_root;
 	int			fw_pages;
@@ -572,8 +524,6 @@ struct mlx5_priv {
 
 	struct mlx5_core_health health;
 
-	struct mlx5_srq_table	srq_table;
-
 	/* start: qp staff */
 	struct mlx5_qp_table	qp_table;
 	struct dentry	       *qp_debugfs;
@@ -603,9 +553,7 @@ struct mlx5_priv {
 	struct list_head        dev_list;
 	struct list_head        ctx_list;
 	spinlock_t              ctx_lock;
-
-	struct list_head	waiting_events_list;
-	bool			is_accum_events;
+	struct mlx5_events      *events;
 
 	struct mlx5_flow_steering *steering;
 	struct mlx5_mpfs        *mpfs;
@@ -616,8 +564,6 @@ struct mlx5_priv {
 	struct mlx5_fc_stats		fc_stats;
 	struct mlx5_rl_table            rl_table;
 
-	struct mlx5_port_module_event_stats  pme_stats;
-
 	struct mlx5_bfreg_data		bfregs;
 	struct mlx5_uars_page	       *uar;
 };
@@ -671,6 +617,8 @@ struct mlx5_pps {
 };
 
 struct mlx5_clock {
+	struct mlx5_core_dev      *mdev;
+	struct mlx5_nb             pps_nb;
 	seqlock_t                  lock;
 	struct cyclecounter        cycles;
 	struct timecounter         tc;
@@ -678,7 +626,6 @@ struct mlx5_clock {
 	u32                        nominal_c_mult;
 	unsigned long              overflow_period;
 	struct delayed_work        overflow_work;
-	struct mlx5_core_dev      *mdev;
 	struct ptp_clock          *ptp;
 	struct ptp_clock_info      ptp_info;
 	struct mlx5_pps            pps_info;
@@ -711,9 +658,6 @@ struct mlx5_core_dev {
 	/* sync interface state */
 	struct mutex		intf_state_mutex;
 	unsigned long		intf_state;
-	void			(*event) (struct mlx5_core_dev *dev,
-					  enum mlx5_dev_event event,
-					  unsigned long param);
 	struct mlx5_priv	priv;
 	struct mlx5_profile	*profile;
 	atomic_t		num_qps;
@@ -935,13 +879,6 @@ struct mlx5_cmd_mailbox *mlx5_alloc_cmd_mailbox_chain(struct mlx5_core_dev *dev,
 						      gfp_t flags, int npages);
 void mlx5_free_cmd_mailbox_chain(struct mlx5_core_dev *dev,
 				 struct mlx5_cmd_mailbox *head);
-int mlx5_core_create_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq,
-			 struct mlx5_srq_attr *in);
-int mlx5_core_destroy_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq);
-int mlx5_core_query_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq,
-			struct mlx5_srq_attr *out);
-int mlx5_core_arm_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq,
-		      u16 lwm, int is_srq);
 void mlx5_init_mkey_table(struct mlx5_core_dev *dev);
 void mlx5_cleanup_mkey_table(struct mlx5_core_dev *dev);
 int mlx5_core_create_mkey_cb(struct mlx5_core_dev *dev,
@@ -960,9 +897,9 @@ int mlx5_core_alloc_pd(struct mlx5_core_dev *dev, u32 *pdn);
 int mlx5_core_dealloc_pd(struct mlx5_core_dev *dev, u32 pdn);
 int mlx5_core_mad_ifc(struct mlx5_core_dev *dev, const void *inb, void *outb,
 		      u16 opmod, u8 port);
-void mlx5_pagealloc_init(struct mlx5_core_dev *dev);
+int mlx5_pagealloc_init(struct mlx5_core_dev *dev);
 void mlx5_pagealloc_cleanup(struct mlx5_core_dev *dev);
-int mlx5_pagealloc_start(struct mlx5_core_dev *dev);
+void mlx5_pagealloc_start(struct mlx5_core_dev *dev);
 void mlx5_pagealloc_stop(struct mlx5_core_dev *dev);
 void mlx5_core_req_pages_handler(struct mlx5_core_dev *dev, u16 func_id,
 				 s32 npages);
@@ -973,9 +910,6 @@ void mlx5_unregister_debugfs(void);
 
 void mlx5_fill_page_array(struct mlx5_frag_buf *buf, __be64 *pas);
 void mlx5_fill_page_frag_array(struct mlx5_frag_buf *frag_buf, __be64 *pas);
-void mlx5_rsc_event(struct mlx5_core_dev *dev, u32 rsn, int event_type);
-void mlx5_srq_event(struct mlx5_core_dev *dev, u32 srqn, int event_type);
-struct mlx5_core_srq *mlx5_core_get_srq(struct mlx5_core_dev *dev, u32 srqn);
 int mlx5_vector2eqn(struct mlx5_core_dev *dev, int vector, int *eqn,
 		    unsigned int *irqn);
 int mlx5_core_attach_mcg(struct mlx5_core_dev *dev, union ib_gid *mgid, u32 qpn);
@@ -1070,8 +1004,6 @@ struct mlx5_interface {
 	void			(*remove)(struct mlx5_core_dev *dev, void *context);
 	int			(*attach)(struct mlx5_core_dev *dev, void *context);
 	void			(*detach)(struct mlx5_core_dev *dev, void *context);
-	void			(*event)(struct mlx5_core_dev *dev, void *context,
-					 enum mlx5_dev_event event, unsigned long param);
 	void *                  (*get_dev)(void *context);
 	int			protocol;
 	struct list_head	list;
@@ -1080,6 +1012,9 @@ struct mlx5_interface {
 void *mlx5_get_protocol_dev(struct mlx5_core_dev *mdev, int protocol);
 int mlx5_register_interface(struct mlx5_interface *intf);
 void mlx5_unregister_interface(struct mlx5_interface *intf);
+int mlx5_notifier_register(struct mlx5_core_dev *dev, struct notifier_block *nb);
+int mlx5_notifier_unregister(struct mlx5_core_dev *dev, struct notifier_block *nb);
+
 int mlx5_core_query_vendor_id(struct mlx5_core_dev *mdev, u32 *vendor_id);
 
 int mlx5_cmd_create_vport_lag(struct mlx5_core_dev *dev);
diff --git a/include/linux/mlx5/eq.h b/include/linux/mlx5/eq.h
index 71d82c5a1a02..00045cc4ea11 100644
--- a/include/linux/mlx5/eq.h
+++ b/include/linux/mlx5/eq.h
@@ -4,8 +4,6 @@
 #ifndef MLX5_CORE_EQ_H
 #define MLX5_CORE_EQ_H
 
-#include <linux/mlx5/driver.h>
-
 enum {
 	MLX5_EQ_PAGEREQ_IDX        = 0,
 	MLX5_EQ_CMD_IDX            = 1,
@@ -22,6 +20,7 @@ enum {
 #define MLX5_NUM_SPARE_EQE (0x80)
 
 struct mlx5_eq;
+struct mlx5_core_dev;
 
 struct mlx5_eq_param {
 	u8             index;
@@ -57,4 +56,17 @@ static inline u32 mlx5_eq_update_cc(struct mlx5_eq *eq, u32 cc)
 	return cc;
 }
 
+struct mlx5_nb {
+	struct notifier_block nb;
+	u8 event_type;
+};
+
+#define mlx5_nb_cof(ptr, type, member) \
+	(container_of(container_of(ptr, struct mlx5_nb, nb), type, member))
+
+#define MLX5_NB_INIT(name, handler, event) do {              \
+	(name)->nb.notifier_call = handler;                  \
+	(name)->event_type = MLX5_EVENT_TYPE_##event;        \
+} while (0)
+
 #endif /* MLX5_CORE_EQ_H */
diff --git a/include/linux/mlx5/mlx5_ifc.h b/include/linux/mlx5/mlx5_ifc.h
index 6f64e814cc10..ece1b606c909 100644
--- a/include/linux/mlx5/mlx5_ifc.h
+++ b/include/linux/mlx5/mlx5_ifc.h
@@ -883,6 +883,10 @@ enum {
 	MLX5_CAP_UMR_FENCE_NONE		= 0x2,
 };
 
+enum {
+	MLX5_UCTX_CAP_RAW_TX = 1UL << 0,
+};
+
 struct mlx5_ifc_cmd_hca_cap_bits {
 	u8         reserved_at_0[0x30];
 	u8         vhca_id[0x10];
@@ -1193,7 +1197,13 @@ struct mlx5_ifc_cmd_hca_cap_bits {
 	u8	   num_vhca_ports[0x8];
 	u8	   reserved_at_618[0x6];
 	u8	   sw_owner_id[0x1];
-	u8	   reserved_at_61f[0x1e1];
+	u8         reserved_at_61f[0x1];
+
+	u8         reserved_at_620[0x80];
+
+	u8         uctx_cap[0x20];
+
+	u8	   reserved_at_6c0[0x140];
 };
 
 enum mlx5_flow_destination_type {
@@ -9276,7 +9286,9 @@ struct mlx5_ifc_umem_bits {
 struct mlx5_ifc_uctx_bits {
 	u8         modify_field_select[0x40];
 
-	u8         reserved_at_40[0x1c0];
+	u8         cap[0x20];
+
+	u8         reserved_at_60[0x1a0];
 };
 
 struct mlx5_ifc_create_umem_in_bits {
diff --git a/include/linux/mlx5/port.h b/include/linux/mlx5/port.h
index 34aed6032f86..bf4bc01ffb0c 100644
--- a/include/linux/mlx5/port.h
+++ b/include/linux/mlx5/port.h
@@ -107,9 +107,6 @@ enum mlx5e_connector_type {
 
 #define MLX5E_PROT_MASK(link_mode) (1 << link_mode)
 
-#define PORT_MODULE_EVENT_MODULE_STATUS_MASK 0xF
-#define PORT_MODULE_EVENT_ERROR_TYPE_MASK         0xF
-
 int mlx5_set_port_caps(struct mlx5_core_dev *dev, u8 port_num, u32 caps);
 int mlx5_query_port_ptys(struct mlx5_core_dev *dev, u32 *ptys,
 			 int ptys_size, int proto_mask, u8 local_port);
diff --git a/include/linux/mlx5/srq.h b/include/linux/mlx5/srq.h
deleted file mode 100644
index 1b1f3c20c6a3..000000000000
--- a/include/linux/mlx5/srq.h
+++ /dev/null
@@ -1,72 +0,0 @@
-/*
- * Copyright (c) 2013-2015, Mellanox Technologies. All rights reserved.
- *
- * This software is available to you under a choice of one of two
- * licenses.  You may choose to be licensed under the terms of the GNU
- * General Public License (GPL) Version 2, available from the file
- * COPYING in the main directory of this source tree, or the
- * OpenIB.org BSD license below:
- *
- *     Redistribution and use in source and binary forms, with or
- *     without modification, are permitted provided that the following
- *     conditions are met:
- *
- *      - Redistributions of source code must retain the above
- *        copyright notice, this list of conditions and the following
- *        disclaimer.
- *
- *      - Redistributions in binary form must reproduce the above
- *        copyright notice, this list of conditions and the following
- *        disclaimer in the documentation and/or other materials
- *        provided with the distribution.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
- * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
- * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-
-#ifndef MLX5_SRQ_H
-#define MLX5_SRQ_H
-
-#include <linux/mlx5/driver.h>
-
-enum {
-	MLX5_SRQ_FLAG_ERR    = (1 << 0),
-	MLX5_SRQ_FLAG_WQ_SIG = (1 << 1),
-	MLX5_SRQ_FLAG_RNDV   = (1 << 2),
-};
-
-struct mlx5_srq_attr {
-	u32 type;
-	u32 flags;
-	u32 log_size;
-	u32 wqe_shift;
-	u32 log_page_size;
-	u32 wqe_cnt;
-	u32 srqn;
-	u32 xrcd;
-	u32 page_offset;
-	u32 cqn;
-	u32 pd;
-	u32 lwm;
-	u32 user_index;
-	u64 db_record;
-	__be64 *pas;
-	u32 tm_log_list_size;
-	u32 tm_next_tag;
-	u32 tm_hw_phase_cnt;
-	u32 tm_sw_phase_cnt;
-	u16 uid;
-};
-
-struct mlx5_core_dev;
-
-void mlx5_init_srq_table(struct mlx5_core_dev *dev);
-void mlx5_cleanup_srq_table(struct mlx5_core_dev *dev);
-
-#endif /* MLX5_SRQ_H */
diff --git a/include/linux/mlx5/transobj.h b/include/linux/mlx5/transobj.h
index 7f5ca2cd3a32..a261d5528ff7 100644
--- a/include/linux/mlx5/transobj.h
+++ b/include/linux/mlx5/transobj.h
@@ -58,17 +58,6 @@ int mlx5_core_create_tis(struct mlx5_core_dev *dev, u32 *in, int inlen,
 int mlx5_core_modify_tis(struct mlx5_core_dev *dev, u32 tisn, u32 *in,
 			 int inlen);
 void mlx5_core_destroy_tis(struct mlx5_core_dev *dev, u32 tisn);
-int mlx5_core_create_rmp(struct mlx5_core_dev *dev, u32 *in, int inlen,
-			 u32 *rmpn);
-int mlx5_core_modify_rmp(struct mlx5_core_dev *dev, u32 *in, int inlen);
-int mlx5_core_destroy_rmp(struct mlx5_core_dev *dev, u32 rmpn);
-int mlx5_core_query_rmp(struct mlx5_core_dev *dev, u32 rmpn, u32 *out);
-int mlx5_core_arm_rmp(struct mlx5_core_dev *dev, u32 rmpn, u16 lwm);
-int mlx5_core_create_xsrq(struct mlx5_core_dev *dev, u32 *in, int inlen,
-			  u32 *rmpn);
-int mlx5_core_destroy_xsrq(struct mlx5_core_dev *dev, u32 rmpn);
-int mlx5_core_arm_xsrq(struct mlx5_core_dev *dev, u32 rmpn, u16 lwm);
-
 int mlx5_core_create_rqt(struct mlx5_core_dev *dev, u32 *in, int inlen,
 			 u32 *rqtn);
 int mlx5_core_modify_rqt(struct mlx5_core_dev *dev, u32 rqtn, u32 *in,