Merge commit 'origin/master'

Manual merge of:

	arch/powerpc/Kconfig
	arch/powerpc/kernel/stacktrace.c
	arch/powerpc/mm/slice.c
	arch/ppc/kernel/smp.c

1 files changed, 141 insertions, 8 deletions

diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
index 31d30b1852e8..90b529f7a154 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.
  */