Merge branch 'linus' into x86/x2apic

1 files changed, 141 insertions, 8 deletions

diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
index 31d30b1852e..90b529f7a15 100644
--- a/include/rdma/ib_verbs.h
+++ b/include/rdma/ib_verbs.h
@@ -34,8 +34,6 @@
  * 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.
- *
- * $Id: ib_verbs.h 1349 2004-12-16 21:09:43Z roland $
  */
 
 #if !defined(IB_VERBS_H)
@@ -93,7 +91,7 @@ enum ib_device_cap_flags {
 	IB_DEVICE_RC_RNR_NAK_GEN	= (1<<12),
 	IB_DEVICE_SRQ_RESIZE		= (1<<13),
 	IB_DEVICE_N_NOTIFY_CQ		= (1<<14),
-	IB_DEVICE_ZERO_STAG		= (1<<15),
+	IB_DEVICE_LOCAL_DMA_LKEY	= (1<<15),
 	IB_DEVICE_RESERVED		= (1<<16), /* old SEND_W_INV */
 	IB_DEVICE_MEM_WINDOW		= (1<<17),
 	/*
@@ -105,6 +103,8 @@ enum ib_device_cap_flags {
 	 */
 	IB_DEVICE_UD_IP_CSUM		= (1<<18),
 	IB_DEVICE_UD_TSO		= (1<<19),
+	IB_DEVICE_MEM_MGT_EXTENSIONS	= (1<<21),
+	IB_DEVICE_BLOCK_MULTICAST_LOOPBACK = (1<<22),
 };
 
 enum ib_atomic_cap {
@@ -150,6 +150,7 @@ struct ib_device_attr {
 	int			max_srq;
 	int			max_srq_wr;
 	int			max_srq_sge;
+	unsigned int		max_fast_reg_page_list_len;
 	u16			max_pkeys;
 	u8			local_ca_ack_delay;
 };
@@ -226,6 +227,57 @@ static inline int ib_width_enum_to_int(enum ib_port_width width)
 	}
 }
 
+struct ib_protocol_stats {
+	/* TBD... */
+};
+
+struct iw_protocol_stats {
+	u64	ipInReceives;
+	u64	ipInHdrErrors;
+	u64	ipInTooBigErrors;
+	u64	ipInNoRoutes;
+	u64	ipInAddrErrors;
+	u64	ipInUnknownProtos;
+	u64	ipInTruncatedPkts;
+	u64	ipInDiscards;
+	u64	ipInDelivers;
+	u64	ipOutForwDatagrams;
+	u64	ipOutRequests;
+	u64	ipOutDiscards;
+	u64	ipOutNoRoutes;
+	u64	ipReasmTimeout;
+	u64	ipReasmReqds;
+	u64	ipReasmOKs;
+	u64	ipReasmFails;
+	u64	ipFragOKs;
+	u64	ipFragFails;
+	u64	ipFragCreates;
+	u64	ipInMcastPkts;
+	u64	ipOutMcastPkts;
+	u64	ipInBcastPkts;
+	u64	ipOutBcastPkts;
+
+	u64	tcpRtoAlgorithm;
+	u64	tcpRtoMin;
+	u64	tcpRtoMax;
+	u64	tcpMaxConn;
+	u64	tcpActiveOpens;
+	u64	tcpPassiveOpens;
+	u64	tcpAttemptFails;
+	u64	tcpEstabResets;
+	u64	tcpCurrEstab;
+	u64	tcpInSegs;
+	u64	tcpOutSegs;
+	u64	tcpRetransSegs;
+	u64	tcpInErrs;
+	u64	tcpOutRsts;
+};
+
+union rdma_protocol_stats {
+	struct ib_protocol_stats	ib;
+	struct iw_protocol_stats	iw;
+};
+
 struct ib_port_attr {
 	enum ib_port_state	state;
 	enum ib_mtu		max_mtu;
@@ -413,6 +465,8 @@ enum ib_wc_opcode {
 	IB_WC_FETCH_ADD,
 	IB_WC_BIND_MW,
 	IB_WC_LSO,
+	IB_WC_LOCAL_INV,
+	IB_WC_FAST_REG_MR,
 /*
  * Set value of IB_WC_RECV so consumers can test if a completion is a
  * receive by testing (opcode & IB_WC_RECV).
@@ -423,7 +477,8 @@ enum ib_wc_opcode {
 
 enum ib_wc_flags {
 	IB_WC_GRH		= 1,
-	IB_WC_WITH_IMM		= (1<<1)
+	IB_WC_WITH_IMM		= (1<<1),
+	IB_WC_WITH_INVALIDATE	= (1<<2),
 };
 
 struct ib_wc {
@@ -433,7 +488,10 @@ struct ib_wc {
 	u32			vendor_err;
 	u32			byte_len;
 	struct ib_qp	       *qp;
-	__be32			imm_data;
+	union {
+		__be32		imm_data;
+		u32		invalidate_rkey;
+	} ex;
 	u32			src_qp;
 	int			wc_flags;
 	u16			pkey_index;
@@ -498,7 +556,8 @@ enum ib_qp_type {
 };
 
 enum ib_qp_create_flags {
-	IB_QP_CREATE_IPOIB_UD_LSO	= 1 << 0,
+	IB_QP_CREATE_IPOIB_UD_LSO		= 1 << 0,
+	IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK	= 1 << 1,
 };
 
 struct ib_qp_init_attr {
@@ -627,6 +686,9 @@ enum ib_wr_opcode {
 	IB_WR_ATOMIC_FETCH_AND_ADD,
 	IB_WR_LSO,
 	IB_WR_SEND_WITH_INV,
+	IB_WR_RDMA_READ_WITH_INV,
+	IB_WR_LOCAL_INV,
+	IB_WR_FAST_REG_MR,
 };
 
 enum ib_send_flags {
@@ -643,6 +705,12 @@ struct ib_sge {
 	u32	lkey;
 };
 
+struct ib_fast_reg_page_list {
+	struct ib_device       *device;
+	u64		       *page_list;
+	unsigned int		max_page_list_len;
+};
+
 struct ib_send_wr {
 	struct ib_send_wr      *next;
 	u64			wr_id;
@@ -675,6 +743,15 @@ struct ib_send_wr {
 			u16	pkey_index; /* valid for GSI only */
 			u8	port_num;   /* valid for DR SMPs on switch only */
 		} ud;
+		struct {
+			u64				iova_start;
+			struct ib_fast_reg_page_list   *page_list;
+			unsigned int			page_shift;
+			unsigned int			page_list_len;
+			u32				length;
+			int				access_flags;
+			u32				rkey;
+		} fast_reg;
 	} wr;
 };
 
@@ -777,7 +854,7 @@ struct ib_cq {
 	struct ib_uobject      *uobject;
 	ib_comp_handler   	comp_handler;
 	void                  (*event_handler)(struct ib_event *, void *);
-	void *            	cq_context;
+	void                   *cq_context;
 	int               	cqe;
 	atomic_t          	usecnt; /* count number of work queues */
 };
@@ -883,7 +960,7 @@ struct ib_dma_mapping_ops {
 	void		(*sync_single_for_cpu)(struct ib_device *dev,
 					       u64 dma_handle,
 					       size_t size,
-				               enum dma_data_direction dir);
+					       enum dma_data_direction dir);
 	void		(*sync_single_for_device)(struct ib_device *dev,
 						  u64 dma_handle,
 						  size_t size,
@@ -919,6 +996,8 @@ struct ib_device {
 
 	struct iw_cm_verbs	     *iwcm;
 
+	int		           (*get_protocol_stats)(struct ib_device *device,
+							 union rdma_protocol_stats *stats);
 	int		           (*query_device)(struct ib_device *device,
 						   struct ib_device_attr *device_attr);
 	int		           (*query_port)(struct ib_device *device,
@@ -1013,6 +1092,11 @@ struct ib_device {
 	int                        (*query_mr)(struct ib_mr *mr,
 					       struct ib_mr_attr *mr_attr);
 	int                        (*dereg_mr)(struct ib_mr *mr);
+	struct ib_mr *		   (*alloc_fast_reg_mr)(struct ib_pd *pd,
+					       int max_page_list_len);
+	struct ib_fast_reg_page_list * (*alloc_fast_reg_page_list)(struct ib_device *device,
+								   int page_list_len);
+	void			   (*free_fast_reg_page_list)(struct ib_fast_reg_page_list *page_list);
 	int                        (*rereg_phys_mr)(struct ib_mr *mr,
 						    int mr_rereg_mask,
 						    struct ib_pd *pd,
@@ -1065,6 +1149,7 @@ struct ib_device {
 
 	char			     node_desc[64];
 	__be64			     node_guid;
+	u32			     local_dma_lkey;
 	u8                           node_type;
 	u8                           phys_port_cnt;
 };
@@ -1807,6 +1892,54 @@ int ib_query_mr(struct ib_mr *mr, struct ib_mr_attr *mr_attr);
 int ib_dereg_mr(struct ib_mr *mr);
 
 /**
+ * ib_alloc_fast_reg_mr - Allocates memory region usable with the
+ *   IB_WR_FAST_REG_MR send work request.
+ * @pd: The protection domain associated with the region.
+ * @max_page_list_len: requested max physical buffer list length to be
+ *   used with fast register work requests for this MR.
+ */
+struct ib_mr *ib_alloc_fast_reg_mr(struct ib_pd *pd, int max_page_list_len);
+
+/**
+ * ib_alloc_fast_reg_page_list - Allocates a page list array
+ * @device - ib device pointer.
+ * @page_list_len - size of the page list array to be allocated.
+ *
+ * This allocates and returns a struct ib_fast_reg_page_list * and a
+ * page_list array that is at least page_list_len in size.  The actual
+ * size is returned in max_page_list_len.  The caller is responsible
+ * for initializing the contents of the page_list array before posting
+ * a send work request with the IB_WC_FAST_REG_MR opcode.
+ *
+ * The page_list array entries must be translated using one of the
+ * ib_dma_*() functions just like the addresses passed to
+ * ib_map_phys_fmr().  Once the ib_post_send() is issued, the struct
+ * ib_fast_reg_page_list must not be modified by the caller until the
+ * IB_WC_FAST_REG_MR work request completes.
+ */
+struct ib_fast_reg_page_list *ib_alloc_fast_reg_page_list(
+				struct ib_device *device, int page_list_len);
+
+/**
+ * ib_free_fast_reg_page_list - Deallocates a previously allocated
+ *   page list array.
+ * @page_list - struct ib_fast_reg_page_list pointer to be deallocated.
+ */
+void ib_free_fast_reg_page_list(struct ib_fast_reg_page_list *page_list);
+
+/**
+ * ib_update_fast_reg_key - updates the key portion of the fast_reg MR
+ *   R_Key and L_Key.
+ * @mr - struct ib_mr pointer to be updated.
+ * @newkey - new key to be used.
+ */
+static inline void ib_update_fast_reg_key(struct ib_mr *mr, u8 newkey)
+{
+	mr->lkey = (mr->lkey & 0xffffff00) | newkey;
+	mr->rkey = (mr->rkey & 0xffffff00) | newkey;
+}
+
+/**
  * ib_alloc_mw - Allocates a memory window.
  * @pd: The protection domain associated with the memory window.
  */