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Merge tag 'rdma-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband

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Pull infiniband update from Roland Dreier:
 "Main batch of InfiniBand/RDMA changes for 3.9:

   - SRP error handling fixes from Bart Van Assche

   - Implementation of memory windows for mlx4 from Shani Michaeli

   - Lots of cxgb4 HW driver fixes from Vipul Pandya

   - Make iSER work for virtual functions, other fixes from Or Gerlitz

   - Fix for bug in qib HW driver from Mike Marciniszyn

   - IPoIB fixes from me, Itai Garbi, Shlomo Pongratz, Yan Burman

   - Various cleanups and warning fixes from Julia Lawall, Paul Bolle,
     Wei Yongjun"

* tag 'rdma-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband: (41 commits)
  IB/mlx4: Advertise MW support
  IB/mlx4: Support memory window binding
  mlx4: Implement memory windows allocation and deallocation
  mlx4_core: Enable memory windows in {INIT, QUERY}_HCA
  mlx4_core: Disable memory windows for virtual functions
  IPoIB: Free ipoib neigh on path record failure so path rec queries are retried
  IB/srp: Fail I/O requests if the transport is offline
  IB/srp: Avoid endless SCSI error handling loop
  IB/srp: Avoid sending a task management function needlessly
  IB/srp: Track connection state properly
  IB/mlx4: Remove redundant NULL check before kfree
  IB/mlx4: Fix compiler warning about uninitialized 'vlan' variable
  IB/mlx4: Convert is_xxx variables in build_mlx_header() to bool
  IB/iser: Enable iser when FMRs are not supported
  IB/iser: Avoid error prints on EAGAIN registration failures
  IB/iser: Use proper define for the commands per LUN value advertised to SCSI ML
  IB/uverbs: Implement memory windows support in uverbs
  IB/core: Add "type 2" memory windows support
  mlx4_core: Propagate MR deregistration failures to caller
  mlx4_core: Rename MPT-related functions to have mpt_ prefix
  ...
This commit is contained in:
Linus Torvalds
2013-02-26 11:41:08 -08:00
parent f6c0ffa8f0 ef4e359d9b
commit 70a3a06d01
43 changed files with 885 additions and 253 deletions
Download Patch File Download Diff File Expand all files Collapse all files

22
include/linux/mlx4/device.h
View File

@@ -171,6 +171,7 @@ enum {
#define MLX4_ATTR_EXTENDED_PORT_INFO cpu_to_be16(0xff90)
enum {
MLX4_BMME_FLAG_WIN_TYPE_2B = 1 << 1,
MLX4_BMME_FLAG_LOCAL_INV = 1 << 6,
MLX4_BMME_FLAG_REMOTE_INV = 1 << 7,
MLX4_BMME_FLAG_TYPE_2_WIN = 1 << 9,
@@ -238,7 +239,8 @@ enum {
MLX4_PERM_LOCAL_WRITE = 1 << 11,
MLX4_PERM_REMOTE_READ = 1 << 12,
MLX4_PERM_REMOTE_WRITE = 1 << 13,
MLX4_PERM_ATOMIC = 1 << 14
MLX4_PERM_ATOMIC = 1 << 14,
MLX4_PERM_BIND_MW = 1 << 15,
};
enum {
@@ -504,6 +506,18 @@ struct mlx4_mr {
int enabled;
};
enum mlx4_mw_type {
MLX4_MW_TYPE_1 = 1,
MLX4_MW_TYPE_2 = 2,
};
struct mlx4_mw {
u32 key;
u32 pd;
enum mlx4_mw_type type;
int enabled;
};
struct mlx4_fmr {
struct mlx4_mr mr;
struct mlx4_mpt_entry *mpt;
@@ -802,8 +816,12 @@ u64 mlx4_mtt_addr(struct mlx4_dev *dev, struct mlx4_mtt *mtt);
int mlx4_mr_alloc(struct mlx4_dev *dev, u32 pd, u64 iova, u64 size, u32 access,
int npages, int page_shift, struct mlx4_mr *mr);
void mlx4_mr_free(struct mlx4_dev *dev, struct mlx4_mr *mr);
int mlx4_mr_free(struct mlx4_dev *dev, struct mlx4_mr *mr);
int mlx4_mr_enable(struct mlx4_dev *dev, struct mlx4_mr *mr);
int mlx4_mw_alloc(struct mlx4_dev *dev, u32 pd, enum mlx4_mw_type type,
struct mlx4_mw *mw);
void mlx4_mw_free(struct mlx4_dev *dev, struct mlx4_mw *mw);
int mlx4_mw_enable(struct mlx4_dev *dev, struct mlx4_mw *mw);
int mlx4_write_mtt(struct mlx4_dev *dev, struct mlx4_mtt *mtt,
int start_index, int npages, u64 *page_list);
int mlx4_buf_write_mtt(struct mlx4_dev *dev, struct mlx4_mtt *mtt,

19
include/linux/mlx4/qp.h
View File

@@ -265,6 +265,11 @@ struct mlx4_wqe_lso_seg {
__be32 header[0];
};
enum mlx4_wqe_bind_seg_flags2 {
MLX4_WQE_BIND_ZERO_BASED = (1 << 30),
MLX4_WQE_BIND_TYPE_2 = (1 << 31),
};
struct mlx4_wqe_bind_seg {
__be32 flags1;
__be32 flags2;
@@ -277,9 +282,9 @@ struct mlx4_wqe_bind_seg {
enum {
MLX4_WQE_FMR_PERM_LOCAL_READ = 1 << 27,
MLX4_WQE_FMR_PERM_LOCAL_WRITE = 1 << 28,
MLX4_WQE_FMR_PERM_REMOTE_READ = 1 << 29,
MLX4_WQE_FMR_PERM_REMOTE_WRITE = 1 << 30,
MLX4_WQE_FMR_PERM_ATOMIC = 1 << 31
MLX4_WQE_FMR_AND_BIND_PERM_REMOTE_READ = 1 << 29,
MLX4_WQE_FMR_AND_BIND_PERM_REMOTE_WRITE = 1 << 30,
MLX4_WQE_FMR_AND_BIND_PERM_ATOMIC = 1 << 31
};
struct mlx4_wqe_fmr_seg {
@@ -304,12 +309,10 @@ struct mlx4_wqe_fmr_ext_seg {
};
struct mlx4_wqe_local_inval_seg {
__be32 flags;
u32 reserved1;
u64 reserved1;
__be32 mem_key;
u32 reserved2[2];
__be32 guest_id;
__be64 pa;
u32 reserved2;
u64 reserved3[2];
};
struct mlx4_wqe_raddr_seg {