#include <rdma/hns-abi.h>
#include "hns_roce_common.h"
-static int hns_roce_alloc_cqc(struct hns_roce_dev *hr_dev,
- struct hns_roce_cq *hr_cq)
+static int alloc_cqc(struct hns_roce_dev *hr_dev, struct hns_roce_cq *hr_cq)
{
struct hns_roce_cmd_mailbox *mailbox;
- struct hns_roce_hem_table *mtt_table;
struct hns_roce_cq_table *cq_table;
- struct device *dev = hr_dev->dev;
+ struct ib_device *ibdev = &hr_dev->ib_dev;
+ u64 mtts[MTT_MIN_COUNT] = { 0 };
dma_addr_t dma_handle;
- u64 *mtts;
int ret;
- cq_table = &hr_dev->cq_table;
-
- /* Get the physical address of cq buf */
- 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_cq->mtt.first_seg,
- &dma_handle);
-
- if (!mtts) {
- dev_err(dev, "Failed to find mtt for CQ buf.\n");
+ ret = hns_roce_mtr_find(hr_dev, &hr_cq->mtr, 0, mtts, ARRAY_SIZE(mtts),
+ &dma_handle);
+ if (ret < 1) {
+ ibdev_err(ibdev, "Failed to find CQ mtr\n");
return -EINVAL;
}
+ cq_table = &hr_dev->cq_table;
ret = hns_roce_bitmap_alloc(&cq_table->bitmap, &hr_cq->cqn);
if (ret) {
- dev_err(dev, "Num of CQ out of range.\n");
+ ibdev_err(ibdev, "Failed to alloc CQ bitmap, err %d\n", ret);
return ret;
}
/* Get CQC memory HEM(Hardware Entry Memory) table */
ret = hns_roce_table_get(hr_dev, &cq_table->table, hr_cq->cqn);
if (ret) {
- dev_err(dev,
- "Get context mem failed(%d) when CQ(0x%lx) alloc.\n",
- ret, hr_cq->cqn);
+ ibdev_err(ibdev, "Failed to get CQ(0x%lx) context, err %d\n",
+ hr_cq->cqn, ret);
goto err_out;
}
ret = xa_err(xa_store(&cq_table->array, hr_cq->cqn, hr_cq, GFP_KERNEL));
if (ret) {
- dev_err(dev, "Failed to xa_store CQ.\n");
+ ibdev_err(ibdev, "Failed to xa_store CQ\n");
goto err_put;
}
HNS_ROCE_CMD_CREATE_CQC, HNS_ROCE_CMD_TIMEOUT_MSECS);
hns_roce_free_cmd_mailbox(hr_dev, mailbox);
if (ret) {
- dev_err(dev,
- "Send cmd mailbox failed(%d) when CQ(0x%lx) alloc.\n",
- ret, hr_cq->cqn);
+ ibdev_err(ibdev,
+ "Failed to send create cmd for CQ(0x%lx), err %d\n",
+ hr_cq->cqn, ret);
goto err_xa;
}
return ret;
}
-void hns_roce_free_cqc(struct hns_roce_dev *hr_dev, struct hns_roce_cq *hr_cq)
+static void free_cqc(struct hns_roce_dev *hr_dev, struct hns_roce_cq *hr_cq)
{
struct hns_roce_cq_table *cq_table = &hr_dev->cq_table;
struct device *dev = hr_dev->dev;
hns_roce_bitmap_free(&cq_table->bitmap, hr_cq->cqn, BITMAP_NO_RR);
}
-static int get_cq_umem(struct hns_roce_dev *hr_dev, struct hns_roce_cq *hr_cq,
- struct hns_roce_ib_create_cq ucmd,
- struct ib_udata *udata)
-{
- struct hns_roce_mtt *mtt = &hr_cq->mtt;
- struct ib_umem **umem = &hr_cq->umem;
- u32 npages;
- int ret;
-
- *umem = ib_umem_get(&hr_dev->ib_dev, ucmd.buf_addr, hr_cq->buf_size,
- IB_ACCESS_LOCAL_WRITE);
- if (IS_ERR(*umem))
- return PTR_ERR(*umem);
-
- if (hns_roce_check_whether_mhop(hr_dev, HEM_TYPE_CQE))
- mtt->mtt_type = MTT_TYPE_CQE;
- else
- mtt->mtt_type = MTT_TYPE_WQE;
-
- npages = DIV_ROUND_UP(ib_umem_page_count(*umem),
- 1 << hr_dev->caps.cqe_buf_pg_sz);
- ret = hns_roce_mtt_init(hr_dev, npages, hr_cq->page_shift, mtt);
- if (ret)
- goto err_buf;
-
- ret = hns_roce_ib_umem_write_mtt(hr_dev, mtt, *umem);
- if (ret)
- goto err_mtt;
-
- return 0;
-
-err_mtt:
- hns_roce_mtt_cleanup(hr_dev, mtt);
-
-err_buf:
- ib_umem_release(*umem);
- return ret;
-}
-
-static int alloc_cq_buf(struct hns_roce_dev *hr_dev, struct hns_roce_cq *hr_cq)
+static int alloc_cq_buf(struct hns_roce_dev *hr_dev, struct hns_roce_cq *hr_cq,
+ struct ib_udata *udata, unsigned long addr)
{
- struct hns_roce_buf *buf = &hr_cq->buf;
- struct hns_roce_mtt *mtt = &hr_cq->mtt;
- int ret;
-
- ret = hns_roce_buf_alloc(hr_dev, hr_cq->buf_size,
- (1 << hr_cq->page_shift) * 2,
- buf, hr_cq->page_shift);
- if (ret)
- goto out;
-
- if (hns_roce_check_whether_mhop(hr_dev, HEM_TYPE_CQE))
- mtt->mtt_type = MTT_TYPE_CQE;
- else
- mtt->mtt_type = MTT_TYPE_WQE;
-
- ret = hns_roce_mtt_init(hr_dev, buf->npages, buf->page_shift, mtt);
- if (ret)
- goto err_buf;
-
- ret = hns_roce_buf_write_mtt(hr_dev, mtt, buf);
- if (ret)
- goto err_mtt;
-
- return 0;
-
-err_mtt:
- hns_roce_mtt_cleanup(hr_dev, mtt);
-
-err_buf:
- hns_roce_buf_free(hr_dev, buf);
-
-out:
- return ret;
+ struct ib_device *ibdev = &hr_dev->ib_dev;
+ struct hns_roce_buf_attr buf_attr = {};
+ int err;
+
+ buf_attr.page_shift = hr_dev->caps.cqe_buf_pg_sz + PAGE_ADDR_SHIFT;
+ buf_attr.region[0].size = hr_cq->cq_depth * hr_dev->caps.cq_entry_sz;
+ buf_attr.region[0].hopnum = hr_dev->caps.cqe_hop_num;
+ buf_attr.region_count = 1;
+ buf_attr.fixed_page = true;
+
+ err = hns_roce_mtr_create(hr_dev, &hr_cq->mtr, &buf_attr,
+ hr_dev->caps.cqe_ba_pg_sz + PAGE_ADDR_SHIFT,
+ udata, addr);
+ if (err)
+ ibdev_err(ibdev, "Failed to alloc CQ mtr, err %d\n", err);
+
+ return err;
}
static void free_cq_buf(struct hns_roce_dev *hr_dev, struct hns_roce_cq *hr_cq)
{
- hns_roce_buf_free(hr_dev, &hr_cq->buf);
+ hns_roce_mtr_destroy(hr_dev, &hr_cq->mtr);
}
-static int create_user_cq(struct hns_roce_dev *hr_dev,
- struct hns_roce_cq *hr_cq,
- struct ib_udata *udata,
- struct hns_roce_ib_create_cq_resp *resp)
+static int alloc_cq_db(struct hns_roce_dev *hr_dev, struct hns_roce_cq *hr_cq,
+ struct ib_udata *udata, unsigned long addr,
+ struct hns_roce_ib_create_cq_resp *resp)
{
- struct hns_roce_ib_create_cq ucmd;
- struct device *dev = hr_dev->dev;
- int ret;
- struct hns_roce_ucontext *context = rdma_udata_to_drv_context(
- udata, struct hns_roce_ucontext, ibucontext);
-
- if (ib_copy_from_udata(&ucmd, udata, sizeof(ucmd))) {
- dev_err(dev, "Failed to copy_from_udata.\n");
- return -EFAULT;
- }
+ bool has_db = hr_dev->caps.flags & HNS_ROCE_CAP_FLAG_RECORD_DB;
+ struct hns_roce_ucontext *uctx;
+ int err;
- /* Get user space address, write it into mtt table */
- ret = get_cq_umem(hr_dev, hr_cq, ucmd, udata);
- if (ret) {
- dev_err(dev, "Failed to get_cq_umem.\n");
- return ret;
- }
-
- if (hr_dev->caps.flags & HNS_ROCE_CAP_FLAG_RECORD_DB &&
- udata->outlen >= offsetofend(typeof(*resp), cap_flags)) {
- ret = hns_roce_db_map_user(context, udata, ucmd.db_addr,
- &hr_cq->db);
- if (ret) {
- dev_err(dev, "cq record doorbell map failed!\n");
- goto err_mtt;
+ if (udata) {
+ if (has_db &&
+ udata->outlen >= offsetofend(typeof(*resp), cap_flags)) {
+ uctx = rdma_udata_to_drv_context(udata,
+ struct hns_roce_ucontext, ibucontext);
+ err = hns_roce_db_map_user(uctx, udata, addr,
+ &hr_cq->db);
+ if (err)
+ return err;
+ hr_cq->db_en = 1;
+ resp->cap_flags |= HNS_ROCE_SUPPORT_CQ_RECORD_DB;
}
- hr_cq->db_en = 1;
- resp->cap_flags |= HNS_ROCE_SUPPORT_CQ_RECORD_DB;
- }
-
- return 0;
-
-err_mtt:
- hns_roce_mtt_cleanup(hr_dev, &hr_cq->mtt);
- ib_umem_release(hr_cq->umem);
-
- return ret;
-}
-
-static int create_kernel_cq(struct hns_roce_dev *hr_dev,
- struct hns_roce_cq *hr_cq)
-{
- struct device *dev = hr_dev->dev;
- int ret;
-
- if (hr_dev->caps.flags & HNS_ROCE_CAP_FLAG_RECORD_DB) {
- ret = hns_roce_alloc_db(hr_dev, &hr_cq->db, 1);
- if (ret)
- return ret;
-
- hr_cq->set_ci_db = hr_cq->db.db_record;
- *hr_cq->set_ci_db = 0;
- hr_cq->db_en = 1;
- }
-
- /* Init mtt table and write buff address to mtt table */
- ret = alloc_cq_buf(hr_dev, hr_cq);
- if (ret) {
- dev_err(dev, "Failed to alloc_cq_buf.\n");
- goto err_db;
+ } else {
+ if (has_db) {
+ err = hns_roce_alloc_db(hr_dev, &hr_cq->db, 1);
+ if (err)
+ return err;
+ hr_cq->set_ci_db = hr_cq->db.db_record;
+ *hr_cq->set_ci_db = 0;
+ hr_cq->db_en = 1;
+ }
+ hr_cq->cq_db_l = hr_dev->reg_base + hr_dev->odb_offset +
+ DB_REG_OFFSET * hr_dev->priv_uar.index;
}
- hr_cq->cq_db_l = hr_dev->reg_base + hr_dev->odb_offset +
- DB_REG_OFFSET * hr_dev->priv_uar.index;
-
return 0;
-
-err_db:
- if (hr_dev->caps.flags & HNS_ROCE_CAP_FLAG_RECORD_DB)
- hns_roce_free_db(hr_dev, &hr_cq->db);
-
- return ret;
}
-static void destroy_user_cq(struct hns_roce_dev *hr_dev,
- struct hns_roce_cq *hr_cq,
- struct ib_udata *udata,
- struct hns_roce_ib_create_cq_resp *resp)
+static void free_cq_db(struct hns_roce_dev *hr_dev, struct hns_roce_cq *hr_cq,
+ struct ib_udata *udata)
{
- struct hns_roce_ucontext *context = rdma_udata_to_drv_context(
- udata, struct hns_roce_ucontext, ibucontext);
+ struct hns_roce_ucontext *uctx;
- if (hr_dev->caps.flags & HNS_ROCE_CAP_FLAG_RECORD_DB &&
- udata->outlen >= offsetofend(typeof(*resp), cap_flags))
- hns_roce_db_unmap_user(context, &hr_cq->db);
-
- hns_roce_mtt_cleanup(hr_dev, &hr_cq->mtt);
- ib_umem_release(hr_cq->umem);
-}
-
-static void destroy_kernel_cq(struct hns_roce_dev *hr_dev,
- struct hns_roce_cq *hr_cq)
-{
- hns_roce_mtt_cleanup(hr_dev, &hr_cq->mtt);
- free_cq_buf(hr_dev, hr_cq);
+ if (!hr_cq->db_en)
+ return;
- if (hr_dev->caps.flags & HNS_ROCE_CAP_FLAG_RECORD_DB)
+ hr_cq->db_en = 0;
+ if (udata) {
+ uctx = rdma_udata_to_drv_context(udata,
+ struct hns_roce_ucontext,
+ ibucontext);
+ hns_roce_db_unmap_user(uctx, &hr_cq->db);
+ } else {
hns_roce_free_db(hr_dev, &hr_cq->db);
+ }
}
int hns_roce_create_cq(struct ib_cq *ib_cq, const struct ib_cq_init_attr *attr,
struct hns_roce_dev *hr_dev = to_hr_dev(ib_cq->device);
struct hns_roce_ib_create_cq_resp resp = {};
struct hns_roce_cq *hr_cq = to_hr_cq(ib_cq);
- struct device *dev = hr_dev->dev;
+ struct ib_device *ibdev = &hr_dev->ib_dev;
+ struct hns_roce_ib_create_cq ucmd = {};
int vector = attr->comp_vector;
u32 cq_entries = attr->cqe;
int ret;
if (cq_entries < 1 || cq_entries > hr_dev->caps.max_cqes) {
- dev_err(dev, "Create CQ failed. entries=%d, max=%d\n",
- cq_entries, hr_dev->caps.max_cqes);
+ ibdev_err(ibdev, "Failed to check CQ count %d max=%d\n",
+ cq_entries, hr_dev->caps.max_cqes);
return -EINVAL;
}
if (vector >= hr_dev->caps.num_comp_vectors) {
- dev_err(dev, "Create CQ failed, vector=%d, max=%d\n",
- vector, hr_dev->caps.num_comp_vectors);
+ ibdev_err(ibdev, "Failed to check CQ vector=%d max=%d\n",
+ vector, hr_dev->caps.num_comp_vectors);
return -EINVAL;
}
hr_cq->ib_cq.cqe = cq_entries - 1; /* used as cqe index */
hr_cq->cq_depth = cq_entries;
hr_cq->vector = vector;
- hr_cq->buf_size = hr_cq->cq_depth * hr_dev->caps.cq_entry_sz;
- hr_cq->page_shift = PAGE_SHIFT + hr_dev->caps.cqe_buf_pg_sz;
spin_lock_init(&hr_cq->lock);
INIT_LIST_HEAD(&hr_cq->sq_list);
INIT_LIST_HEAD(&hr_cq->rq_list);
if (udata) {
- ret = create_user_cq(hr_dev, hr_cq, udata, &resp);
- if (ret) {
- dev_err(dev, "Create cq failed in user mode!\n");
- goto err_cq;
- }
- } else {
- ret = create_kernel_cq(hr_dev, hr_cq);
+ ret = ib_copy_from_udata(&ucmd, udata, sizeof(ucmd));
if (ret) {
- dev_err(dev, "Create cq failed in kernel mode!\n");
- goto err_cq;
+ ibdev_err(ibdev, "Failed to copy CQ udata, err %d\n",
+ ret);
+ return ret;
}
}
- ret = hns_roce_alloc_cqc(hr_dev, hr_cq);
+ ret = alloc_cq_buf(hr_dev, hr_cq, udata, ucmd.buf_addr);
+ if (ret) {
+ ibdev_err(ibdev, "Failed to alloc CQ buf, err %d\n", ret);
+ return ret;
+ }
+
+ ret = alloc_cq_db(hr_dev, hr_cq, udata, ucmd.db_addr, &resp);
if (ret) {
- dev_err(dev, "Alloc CQ failed(%d).\n", ret);
- goto err_dbmap;
+ ibdev_err(ibdev, "Failed to alloc CQ db, err %d\n", ret);
+ goto err_cq_buf;
+ }
+
+ ret = alloc_cqc(hr_dev, hr_cq);
+ if (ret) {
+ ibdev_err(ibdev, "Failed to alloc CQ context, err %d\n", ret);
+ goto err_cq_db;
}
/*
return 0;
err_cqc:
- hns_roce_free_cqc(hr_dev, hr_cq);
-
-err_dbmap:
- if (udata)
- destroy_user_cq(hr_dev, hr_cq, udata, &resp);
- else
- destroy_kernel_cq(hr_dev, hr_cq);
-
-err_cq:
+ free_cqc(hr_dev, hr_cq);
+err_cq_db:
+ free_cq_db(hr_dev, hr_cq, udata);
+err_cq_buf:
+ free_cq_buf(hr_dev, hr_cq);
return ret;
}
struct hns_roce_dev *hr_dev = to_hr_dev(ib_cq->device);
struct hns_roce_cq *hr_cq = to_hr_cq(ib_cq);
- if (hr_dev->hw->destroy_cq) {
+ if (hr_dev->hw->destroy_cq)
hr_dev->hw->destroy_cq(ib_cq, udata);
- return;
- }
-
- hns_roce_free_cqc(hr_dev, hr_cq);
- hns_roce_mtt_cleanup(hr_dev, &hr_cq->mtt);
- ib_umem_release(hr_cq->umem);
- if (udata) {
- if (hr_cq->db_en == 1)
- hns_roce_db_unmap_user(rdma_udata_to_drv_context(
- udata,
- struct hns_roce_ucontext,
- ibucontext),
- &hr_cq->db);
- } else {
- /* Free the buff of stored cq */
- free_cq_buf(hr_dev, hr_cq);
- if (hr_dev->caps.flags & HNS_ROCE_CAP_FLAG_RECORD_DB)
- hns_roce_free_db(hr_dev, &hr_cq->db);
- }
+ free_cq_buf(hr_dev, hr_cq);
+ free_cq_db(hr_dev, hr_cq, udata);
+ free_cqc(hr_dev, hr_cq);
}
void hns_roce_cq_completion(struct hns_roce_dev *hr_dev, u32 cqn)
projects / platform / kernel / linux-rpi.git / commitdiff