diff options
Diffstat (limited to 'include/rdma')
| -rw-r--r-- | include/rdma/ib_pack.h | 3 | ||||
| -rw-r--r-- | include/rdma/ib_verbs.h | 18 |
2 files changed, 20 insertions, 1 deletions
diff --git a/include/rdma/ib_pack.h b/include/rdma/ib_pack.h index f932d164af63..b8c56d7dc35d 100644 --- a/include/rdma/ib_pack.h +++ b/include/rdma/ib_pack.h @@ -84,6 +84,7 @@ enum { /* opcode 0x15 is reserved */ IB_OPCODE_SEND_LAST_WITH_INVALIDATE = 0x16, IB_OPCODE_SEND_ONLY_WITH_INVALIDATE = 0x17, + IB_OPCODE_FLUSH = 0x1C, IB_OPCODE_ATOMIC_WRITE = 0x1D, /* real constants follow -- see comment about above IB_OPCODE() @@ -113,6 +114,7 @@ enum { IB_OPCODE(RC, FETCH_ADD), IB_OPCODE(RC, SEND_LAST_WITH_INVALIDATE), IB_OPCODE(RC, SEND_ONLY_WITH_INVALIDATE), + IB_OPCODE(RC, FLUSH), IB_OPCODE(RC, ATOMIC_WRITE), /* UC */ @@ -151,6 +153,7 @@ enum { IB_OPCODE(RD, ATOMIC_ACKNOWLEDGE), IB_OPCODE(RD, COMPARE_SWAP), IB_OPCODE(RD, FETCH_ADD), + IB_OPCODE(RD, FLUSH), /* UD */ IB_OPCODE(UD, SEND_ONLY), diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h index df6bb26ba0be..a9a429172c0a 100644 --- a/include/rdma/ib_verbs.h +++ b/include/rdma/ib_verbs.h @@ -270,6 +270,9 @@ enum ib_device_cap_flags { /* The device supports padding incoming writes to cacheline. */ IB_DEVICE_PCI_WRITE_END_PADDING = IB_UVERBS_DEVICE_PCI_WRITE_END_PADDING, + /* Placement type attributes */ + IB_DEVICE_FLUSH_GLOBAL = IB_UVERBS_DEVICE_FLUSH_GLOBAL, + IB_DEVICE_FLUSH_PERSISTENT = IB_UVERBS_DEVICE_FLUSH_PERSISTENT, IB_DEVICE_ATOMIC_WRITE = IB_UVERBS_DEVICE_ATOMIC_WRITE, }; @@ -987,6 +990,7 @@ enum ib_wc_opcode { IB_WC_REG_MR, IB_WC_MASKED_COMP_SWAP, IB_WC_MASKED_FETCH_ADD, + IB_WC_FLUSH = IB_UVERBS_WC_FLUSH, /* * Set value of IB_WC_RECV so consumers can test if a completion is a * receive by testing (opcode & IB_WC_RECV). @@ -1327,6 +1331,7 @@ enum ib_wr_opcode { IB_UVERBS_WR_MASKED_ATOMIC_CMP_AND_SWP, IB_WR_MASKED_ATOMIC_FETCH_AND_ADD = IB_UVERBS_WR_MASKED_ATOMIC_FETCH_AND_ADD, + IB_WR_FLUSH = IB_UVERBS_WR_FLUSH, IB_WR_ATOMIC_WRITE = IB_UVERBS_WR_ATOMIC_WRITE, /* These are kernel only and can not be issued by userspace */ @@ -1461,10 +1466,12 @@ enum ib_access_flags { IB_ACCESS_ON_DEMAND = IB_UVERBS_ACCESS_ON_DEMAND, IB_ACCESS_HUGETLB = IB_UVERBS_ACCESS_HUGETLB, IB_ACCESS_RELAXED_ORDERING = IB_UVERBS_ACCESS_RELAXED_ORDERING, + IB_ACCESS_FLUSH_GLOBAL = IB_UVERBS_ACCESS_FLUSH_GLOBAL, + IB_ACCESS_FLUSH_PERSISTENT = IB_UVERBS_ACCESS_FLUSH_PERSISTENT, IB_ACCESS_OPTIONAL = IB_UVERBS_ACCESS_OPTIONAL_RANGE, IB_ACCESS_SUPPORTED = - ((IB_ACCESS_HUGETLB << 1) - 1) | IB_ACCESS_OPTIONAL, + ((IB_ACCESS_FLUSH_PERSISTENT << 1) - 1) | IB_ACCESS_OPTIONAL, }; /* @@ -4325,6 +4332,8 @@ int ib_dealloc_xrcd_user(struct ib_xrcd *xrcd, struct ib_udata *udata); static inline int ib_check_mr_access(struct ib_device *ib_dev, unsigned int flags) { + u64 device_cap = ib_dev->attrs.device_cap_flags; + /* * Local write permission is required if remote write or * remote atomic permission is also requested. @@ -4339,6 +4348,13 @@ static inline int ib_check_mr_access(struct ib_device *ib_dev, if (flags & IB_ACCESS_ON_DEMAND && !(ib_dev->attrs.kernel_cap_flags & IBK_ON_DEMAND_PAGING)) return -EOPNOTSUPP; + + if ((flags & IB_ACCESS_FLUSH_GLOBAL && + !(device_cap & IB_DEVICE_FLUSH_GLOBAL)) || + (flags & IB_ACCESS_FLUSH_PERSISTENT && + !(device_cap & IB_DEVICE_FLUSH_PERSISTENT))) + return -EOPNOTSUPP; + return 0; } |