From: Christoph Hellwig Date: Wed, 23 Dec 2015 18:12:46 +0000 (+0100) Subject: IB: remove ib_query_mr X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=a4d825a01e51b9c74d5a64237dd8b901822cf035;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git IB: remove ib_query_mr This functionality has no users and was only supported by the staged out EHCA driver. Signed-off-by: Christoph Hellwig Reviewed-by: Sagi Grimberg Reviewed-by: Jason Gunthorpe [core] Reviewed-by: Steve Wise Signed-off-by: Doug Ledford --- diff --git a/drivers/infiniband/core/verbs.c b/drivers/infiniband/core/verbs.c index 063210be26ed..70b1016be1c8 100644 --- a/drivers/infiniband/core/verbs.c +++ b/drivers/infiniband/core/verbs.c @@ -1352,13 +1352,6 @@ struct ib_mr *ib_get_dma_mr(struct ib_pd *pd, int mr_access_flags) } EXPORT_SYMBOL(ib_get_dma_mr); -int ib_query_mr(struct ib_mr *mr, struct ib_mr_attr *mr_attr) -{ - return mr->device->query_mr ? - mr->device->query_mr(mr, mr_attr) : -ENOSYS; -} -EXPORT_SYMBOL(ib_query_mr); - int ib_dereg_mr(struct ib_mr *mr) { struct ib_pd *pd; diff --git a/drivers/staging/rdma/ehca/ehca_iverbs.h b/drivers/staging/rdma/ehca/ehca_iverbs.h index 80e6a3d5df3e..30b1316c965e 100644 --- a/drivers/staging/rdma/ehca/ehca_iverbs.h +++ b/drivers/staging/rdma/ehca/ehca_iverbs.h @@ -95,8 +95,6 @@ int ehca_rereg_phys_mr(struct ib_mr *mr, struct ib_phys_buf *phys_buf_array, int num_phys_buf, int mr_access_flags, u64 *iova_start); -int ehca_query_mr(struct ib_mr *mr, struct ib_mr_attr *mr_attr); - int ehca_dereg_mr(struct ib_mr *mr); struct ib_mw *ehca_alloc_mw(struct ib_pd *pd, enum ib_mw_type type); diff --git a/drivers/staging/rdma/ehca/ehca_main.c b/drivers/staging/rdma/ehca/ehca_main.c index 8246418cd4e0..ab0a64a76147 100644 --- a/drivers/staging/rdma/ehca/ehca_main.c +++ b/drivers/staging/rdma/ehca/ehca_main.c @@ -514,7 +514,6 @@ static int ehca_init_device(struct ehca_shca *shca) shca->ib_device.get_dma_mr = ehca_get_dma_mr; shca->ib_device.reg_phys_mr = ehca_reg_phys_mr; shca->ib_device.reg_user_mr = ehca_reg_user_mr; - shca->ib_device.query_mr = ehca_query_mr; shca->ib_device.dereg_mr = ehca_dereg_mr; shca->ib_device.rereg_phys_mr = ehca_rereg_phys_mr; shca->ib_device.alloc_mw = ehca_alloc_mw; diff --git a/drivers/staging/rdma/ehca/ehca_mrmw.c b/drivers/staging/rdma/ehca/ehca_mrmw.c index f914b30999f8..eb274c1c5032 100644 --- a/drivers/staging/rdma/ehca/ehca_mrmw.c +++ b/drivers/staging/rdma/ehca/ehca_mrmw.c @@ -589,55 +589,6 @@ rereg_phys_mr_exit0: return ret; } /* end ehca_rereg_phys_mr() */ -/*----------------------------------------------------------------------*/ - -int ehca_query_mr(struct ib_mr *mr, struct ib_mr_attr *mr_attr) -{ - int ret = 0; - u64 h_ret; - struct ehca_shca *shca = - container_of(mr->device, struct ehca_shca, ib_device); - struct ehca_mr *e_mr = container_of(mr, struct ehca_mr, ib.ib_mr); - unsigned long sl_flags; - struct ehca_mr_hipzout_parms hipzout; - - if ((e_mr->flags & EHCA_MR_FLAG_FMR)) { - ehca_err(mr->device, "not supported for FMR, mr=%p e_mr=%p " - "e_mr->flags=%x", mr, e_mr, e_mr->flags); - ret = -EINVAL; - goto query_mr_exit0; - } - - memset(mr_attr, 0, sizeof(struct ib_mr_attr)); - spin_lock_irqsave(&e_mr->mrlock, sl_flags); - - h_ret = hipz_h_query_mr(shca->ipz_hca_handle, e_mr, &hipzout); - if (h_ret != H_SUCCESS) { - ehca_err(mr->device, "hipz_mr_query failed, h_ret=%lli mr=%p " - "hca_hndl=%llx mr_hndl=%llx lkey=%x", - h_ret, mr, shca->ipz_hca_handle.handle, - e_mr->ipz_mr_handle.handle, mr->lkey); - ret = ehca2ib_return_code(h_ret); - goto query_mr_exit1; - } - mr_attr->pd = mr->pd; - mr_attr->device_virt_addr = hipzout.vaddr; - mr_attr->size = hipzout.len; - mr_attr->lkey = hipzout.lkey; - mr_attr->rkey = hipzout.rkey; - ehca_mrmw_reverse_map_acl(&hipzout.acl, &mr_attr->mr_access_flags); - -query_mr_exit1: - spin_unlock_irqrestore(&e_mr->mrlock, sl_flags); -query_mr_exit0: - if (ret) - ehca_err(mr->device, "ret=%i mr=%p mr_attr=%p", - ret, mr, mr_attr); - return ret; -} /* end ehca_query_mr() */ - -/*----------------------------------------------------------------------*/ - int ehca_dereg_mr(struct ib_mr *mr) { int ret = 0; diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h index f06ce80f12e3..368d9559472f 100644 --- a/include/rdma/ib_verbs.h +++ b/include/rdma/ib_verbs.h @@ -1288,15 +1288,6 @@ struct ib_phys_buf { u64 size; }; -struct ib_mr_attr { - struct ib_pd *pd; - u64 device_virt_addr; - u64 size; - int mr_access_flags; - u32 lkey; - u32 rkey; -}; - enum ib_mr_rereg_flags { IB_MR_REREG_TRANS = 1, IB_MR_REREG_PD = (1<<1), @@ -1846,8 +1837,6 @@ struct ib_device { int mr_access_flags, struct ib_pd *pd, struct ib_udata *udata); - int (*query_mr)(struct ib_mr *mr, - struct ib_mr_attr *mr_attr); int (*dereg_mr)(struct ib_mr *mr); struct ib_mr * (*alloc_mr)(struct ib_pd *pd, enum ib_mr_type mr_type, @@ -2958,13 +2947,6 @@ static inline void ib_dma_free_coherent(struct ib_device *dev, dma_free_coherent(dev->dma_device, size, cpu_addr, dma_handle); } -/** - * ib_query_mr - Retrieves information about a specific memory region. - * @mr: The memory region to retrieve information about. - * @mr_attr: The attributes of the specified memory region. - */ -int ib_query_mr(struct ib_mr *mr, struct ib_mr_attr *mr_attr); - /** * ib_dereg_mr - Deregisters a memory region and removes it from the * HCA translation table.