diff options
author | Shaobo Xu <xushaobo2@huawei.com> | 2017-08-30 12:23:09 +0300 |
---|---|---|
committer | Doug Ledford <dledford@redhat.com> | 2017-09-27 15:34:56 +0300 |
commit | 9766edc34ea17a8264b76696367aeb88a52ab108 (patch) | |
tree | 96a9fb63f353e536d50bf7d7e56c0ff0220e8967 /drivers/infiniband/hw/hns | |
parent | 6a93c77afe088225363f6941a29fff415b1f7172 (diff) | |
download | linux-9766edc34ea17a8264b76696367aeb88a52ab108.tar.xz |
RDMA/hns: Split CQE from MTT in hip08
In hip08, the SQWQE/SGE/RQWQE and CQE have different hop num and
page size, so we need to manage the base address table of the
SQWQE/SGE/RQWQE and CQE separately.
This patch is to split CQE from MTT(SQWQE/SGE/RQWQE).
Signed-off-by: Shaobo Xu <xushaobo2@huawei.com>
Signed-off-by: Lijun Ou <oulijun@huawei.com>
Signed-off-by: Wei Hu (Xavier) <xavier.huwei@huawei.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/infiniband/hw/hns')
-rw-r--r-- | drivers/infiniband/hw/hns/hns_roce_cq.c | 15 | ||||
-rw-r--r-- | drivers/infiniband/hw/hns/hns_roce_device.h | 14 | ||||
-rw-r--r-- | drivers/infiniband/hw/hns/hns_roce_hem.c | 3 | ||||
-rw-r--r-- | drivers/infiniband/hw/hns/hns_roce_main.c | 17 | ||||
-rw-r--r-- | drivers/infiniband/hw/hns/hns_roce_mr.c | 66 | ||||
-rw-r--r-- | drivers/infiniband/hw/hns/hns_roce_qp.c | 2 |
6 files changed, 98 insertions, 19 deletions
diff --git a/drivers/infiniband/hw/hns/hns_roce_cq.c b/drivers/infiniband/hw/hns/hns_roce_cq.c index 362aeecc1a08..9cf213c53f4c 100644 --- a/drivers/infiniband/hw/hns/hns_roce_cq.c +++ b/drivers/infiniband/hw/hns/hns_roce_cq.c @@ -96,7 +96,11 @@ static int hns_roce_cq_alloc(struct hns_roce_dev *hr_dev, int nent, cq_table = &hr_dev->cq_table; /* Get the physical address of cq buf */ - mtt_table = &hr_dev->mr_table.mtt_table; + if (hns_roce_check_whether_mhop(hr_dev, HEM_TYPE_CQE)) + mtt_table = &hr_dev->mr_table.mtt_cqe_table; + else + mtt_table = &hr_dev->mr_table.mtt_table; + mtts = hns_roce_table_find(hr_dev, mtt_table, hr_mtt->first_seg, &dma_handle); if (!mtts) { @@ -221,6 +225,10 @@ static int hns_roce_ib_get_cq_umem(struct hns_roce_dev *hr_dev, if (IS_ERR(*umem)) return PTR_ERR(*umem); + if (hns_roce_check_whether_mhop(hr_dev, HEM_TYPE_CQE)) + buf->hr_mtt.mtt_type = MTT_TYPE_CQE; + else + buf->hr_mtt.mtt_type = MTT_TYPE_WQE; ret = hns_roce_mtt_init(hr_dev, ib_umem_page_count(*umem), (*umem)->page_shift, &buf->hr_mtt); if (ret) @@ -250,6 +258,11 @@ static int hns_roce_ib_alloc_cq_buf(struct hns_roce_dev *hr_dev, if (ret) goto out; + if (hns_roce_check_whether_mhop(hr_dev, HEM_TYPE_CQE)) + buf->hr_mtt.mtt_type = MTT_TYPE_CQE; + else + buf->hr_mtt.mtt_type = MTT_TYPE_WQE; + ret = hns_roce_mtt_init(hr_dev, buf->hr_buf.npages, buf->hr_buf.page_shift, &buf->hr_mtt); if (ret) diff --git a/drivers/infiniband/hw/hns/hns_roce_device.h b/drivers/infiniband/hw/hns/hns_roce_device.h index 7dd8fbb2b9f2..319c7054905d 100644 --- a/drivers/infiniband/hw/hns/hns_roce_device.h +++ b/drivers/infiniband/hw/hns/hns_roce_device.h @@ -170,6 +170,11 @@ enum { HNS_ROCE_OPCODE_RDMA_WITH_IMM_RECEIVE = 0x07, }; +enum hns_roce_mtt_type { + MTT_TYPE_WQE = 0, + MTT_TYPE_CQE, +}; + #define HNS_ROCE_CMD_SUCCESS 1 #define HNS_ROCE_PORT_DOWN 0 @@ -241,9 +246,10 @@ struct hns_roce_hem_table { }; struct hns_roce_mtt { - unsigned long first_seg; - int order; - int page_shift; + unsigned long first_seg; + int order; + int page_shift; + enum hns_roce_mtt_type mtt_type; }; /* Only support 4K page size for mr register */ @@ -268,6 +274,8 @@ struct hns_roce_mr_table { struct hns_roce_buddy mtt_buddy; struct hns_roce_hem_table mtt_table; struct hns_roce_hem_table mtpt_table; + struct hns_roce_buddy mtt_cqe_buddy; + struct hns_roce_hem_table mtt_cqe_table; }; struct hns_roce_wq { diff --git a/drivers/infiniband/hw/hns/hns_roce_hem.c b/drivers/infiniband/hw/hns/hns_roce_hem.c index ac2d671ed2f9..8a3e174f5b5f 100644 --- a/drivers/infiniband/hw/hns/hns_roce_hem.c +++ b/drivers/infiniband/hw/hns/hns_roce_hem.c @@ -1041,4 +1041,7 @@ void hns_roce_cleanup_hem(struct hns_roce_dev *hr_dev) hns_roce_cleanup_hem_table(hr_dev, &hr_dev->qp_table.qp_table); hns_roce_cleanup_hem_table(hr_dev, &hr_dev->mr_table.mtpt_table); hns_roce_cleanup_hem_table(hr_dev, &hr_dev->mr_table.mtt_table); + if (hns_roce_check_whether_mhop(hr_dev, HEM_TYPE_CQE)) + hns_roce_cleanup_hem_table(hr_dev, + &hr_dev->mr_table.mtt_cqe_table); } diff --git a/drivers/infiniband/hw/hns/hns_roce_main.c b/drivers/infiniband/hw/hns/hns_roce_main.c index db6593e15e02..a110f968987f 100644 --- a/drivers/infiniband/hw/hns/hns_roce_main.c +++ b/drivers/infiniband/hw/hns/hns_roce_main.c @@ -546,6 +546,17 @@ static int hns_roce_init_hem(struct hns_roce_dev *hr_dev) return ret; } + if (hns_roce_check_whether_mhop(hr_dev, HEM_TYPE_CQE)) { + ret = hns_roce_init_hem_table(hr_dev, + &hr_dev->mr_table.mtt_cqe_table, + HEM_TYPE_CQE, hr_dev->caps.mtt_entry_sz, + hr_dev->caps.num_cqe_segs, 1); + if (ret) { + dev_err(dev, "Failed to init MTT CQE context memory, aborting.\n"); + goto err_unmap_cqe; + } + } + ret = hns_roce_init_hem_table(hr_dev, &hr_dev->mr_table.mtpt_table, HEM_TYPE_MTPT, hr_dev->caps.mtpt_entry_sz, hr_dev->caps.num_mtpts, 1); @@ -593,6 +604,12 @@ err_unmap_dmpt: err_unmap_mtt: hns_roce_cleanup_hem_table(hr_dev, &hr_dev->mr_table.mtt_table); + if (hns_roce_check_whether_mhop(hr_dev, HEM_TYPE_CQE)) + hns_roce_cleanup_hem_table(hr_dev, + &hr_dev->mr_table.mtt_cqe_table); + +err_unmap_cqe: + hns_roce_cleanup_hem_table(hr_dev, &hr_dev->mr_table.mtt_table); return ret; } diff --git a/drivers/infiniband/hw/hns/hns_roce_mr.c b/drivers/infiniband/hw/hns/hns_roce_mr.c index d8f7b41148d1..88b436fb92ee 100644 --- a/drivers/infiniband/hw/hns/hns_roce_mr.c +++ b/drivers/infiniband/hw/hns/hns_roce_mr.c @@ -177,18 +177,28 @@ static void hns_roce_buddy_cleanup(struct hns_roce_buddy *buddy) } static int hns_roce_alloc_mtt_range(struct hns_roce_dev *hr_dev, int order, - unsigned long *seg) + unsigned long *seg, u32 mtt_type) { struct hns_roce_mr_table *mr_table = &hr_dev->mr_table; - int ret = 0; + struct hns_roce_hem_table *table; + struct hns_roce_buddy *buddy; + int ret; + + if (mtt_type == MTT_TYPE_WQE) { + buddy = &mr_table->mtt_buddy; + table = &mr_table->mtt_table; + } else { + buddy = &mr_table->mtt_cqe_buddy; + table = &mr_table->mtt_cqe_table; + } - ret = hns_roce_buddy_alloc(&mr_table->mtt_buddy, order, seg); + ret = hns_roce_buddy_alloc(buddy, order, seg); if (ret == -1) return -1; - if (hns_roce_table_get_range(hr_dev, &mr_table->mtt_table, *seg, + if (hns_roce_table_get_range(hr_dev, table, *seg, *seg + (1 << order) - 1)) { - hns_roce_buddy_free(&mr_table->mtt_buddy, *seg, order); + hns_roce_buddy_free(buddy, *seg, order); return -1; } @@ -198,7 +208,7 @@ static int hns_roce_alloc_mtt_range(struct hns_roce_dev *hr_dev, int order, int hns_roce_mtt_init(struct hns_roce_dev *hr_dev, int npages, int page_shift, struct hns_roce_mtt *mtt) { - int ret = 0; + int ret; int i; /* Page num is zero, correspond to DMA memory register */ @@ -217,7 +227,8 @@ int hns_roce_mtt_init(struct hns_roce_dev *hr_dev, int npages, int page_shift, ++mtt->order; /* Allocate MTT entry */ - ret = hns_roce_alloc_mtt_range(hr_dev, mtt->order, &mtt->first_seg); + ret = hns_roce_alloc_mtt_range(hr_dev, mtt->order, &mtt->first_seg, + mtt->mtt_type); if (ret == -1) return -ENOMEM; @@ -231,9 +242,19 @@ void hns_roce_mtt_cleanup(struct hns_roce_dev *hr_dev, struct hns_roce_mtt *mtt) if (mtt->order < 0) return; - hns_roce_buddy_free(&mr_table->mtt_buddy, mtt->first_seg, mtt->order); - hns_roce_table_put_range(hr_dev, &mr_table->mtt_table, mtt->first_seg, - mtt->first_seg + (1 << mtt->order) - 1); + if (mtt->mtt_type == MTT_TYPE_WQE) { + hns_roce_buddy_free(&mr_table->mtt_buddy, mtt->first_seg, + mtt->order); + hns_roce_table_put_range(hr_dev, &mr_table->mtt_table, + mtt->first_seg, + mtt->first_seg + (1 << mtt->order) - 1); + } else { + hns_roce_buddy_free(&mr_table->mtt_cqe_buddy, mtt->first_seg, + mtt->order); + hns_roce_table_put_range(hr_dev, &mr_table->mtt_cqe_table, + mtt->first_seg, + mtt->first_seg + (1 << mtt->order) - 1); + } } EXPORT_SYMBOL_GPL(hns_roce_mtt_cleanup); @@ -362,7 +383,11 @@ static int hns_roce_write_mtt_chunk(struct hns_roce_dev *hr_dev, if (start_index & (HNS_ROCE_MTT_ENTRY_PER_SEG - 1)) return -EINVAL; - table = &hr_dev->mr_table.mtt_table; + if (mtt->mtt_type == MTT_TYPE_WQE) + table = &hr_dev->mr_table.mtt_table; + else + table = &hr_dev->mr_table.mtt_cqe_table; + mtts = hns_roce_table_find(hr_dev, table, mtt->first_seg + s / hr_dev->caps.mtt_entry_sz, &dma_handle); @@ -409,9 +434,9 @@ static int hns_roce_write_mtt(struct hns_roce_dev *hr_dev, int hns_roce_buf_write_mtt(struct hns_roce_dev *hr_dev, struct hns_roce_mtt *mtt, struct hns_roce_buf *buf) { - u32 i = 0; - int ret = 0; - u64 *page_list = NULL; + u64 *page_list; + int ret; + u32 i; page_list = kmalloc_array(buf->npages, sizeof(*page_list), GFP_KERNEL); if (!page_list) @@ -434,7 +459,7 @@ int hns_roce_buf_write_mtt(struct hns_roce_dev *hr_dev, int hns_roce_init_mr_table(struct hns_roce_dev *hr_dev) { struct hns_roce_mr_table *mr_table = &hr_dev->mr_table; - int ret = 0; + int ret; ret = hns_roce_bitmap_init(&mr_table->mtpt_bitmap, hr_dev->caps.num_mtpts, @@ -448,8 +473,17 @@ int hns_roce_init_mr_table(struct hns_roce_dev *hr_dev) if (ret) goto err_buddy; + if (hns_roce_check_whether_mhop(hr_dev, HEM_TYPE_CQE)) { + ret = hns_roce_buddy_init(&mr_table->mtt_cqe_buddy, + ilog2(hr_dev->caps.num_cqe_segs)); + if (ret) + goto err_buddy_cqe; + } return 0; +err_buddy_cqe: + hns_roce_buddy_cleanup(&mr_table->mtt_buddy); + err_buddy: hns_roce_bitmap_cleanup(&mr_table->mtpt_bitmap); return ret; @@ -460,6 +494,8 @@ void hns_roce_cleanup_mr_table(struct hns_roce_dev *hr_dev) struct hns_roce_mr_table *mr_table = &hr_dev->mr_table; hns_roce_buddy_cleanup(&mr_table->mtt_buddy); + if (hns_roce_check_whether_mhop(hr_dev, HEM_TYPE_CQE)) + hns_roce_buddy_cleanup(&mr_table->mtt_cqe_buddy); hns_roce_bitmap_cleanup(&mr_table->mtpt_bitmap); } diff --git a/drivers/infiniband/hw/hns/hns_roce_qp.c b/drivers/infiniband/hw/hns/hns_roce_qp.c index b512ecc6df22..881ea67e6bac 100644 --- a/drivers/infiniband/hw/hns/hns_roce_qp.c +++ b/drivers/infiniband/hw/hns/hns_roce_qp.c @@ -440,6 +440,7 @@ static int hns_roce_create_qp_common(struct hns_roce_dev *hr_dev, goto err_out; } + hr_qp->mtt.mtt_type = MTT_TYPE_WQE; ret = hns_roce_mtt_init(hr_dev, ib_umem_page_count(hr_qp->umem), hr_qp->umem->page_shift, &hr_qp->mtt); if (ret) { @@ -490,6 +491,7 @@ static int hns_roce_create_qp_common(struct hns_roce_dev *hr_dev, goto err_out; } + hr_qp->mtt.mtt_type = MTT_TYPE_WQE; /* Write MTT */ ret = hns_roce_mtt_init(hr_dev, hr_qp->hr_buf.npages, hr_qp->hr_buf.page_shift, &hr_qp->mtt); |