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RDMA/ocrdma: Remove old FRWR API 

No ULP uses it anymore, go ahead and remove it.

Signed-off-by: Sagi Grimberg <sagig@mellanox.com>
Acked-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Sagi Grimberg 2015-10-13 19:11:44 +03:00 committed by Doug Ledford
parent e761c67fbf
commit 191cfed565
3 changed files with 1 additions and 109 deletions
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2
drivers/infiniband/hw/ocrdma/ocrdma_main.c
View File

@ -181,8 +181,6 @@ static int ocrdma_register_device(struct ocrdma_dev *dev)
dev->ibdev.alloc_mr = ocrdma_alloc_mr;
dev->ibdev.map_mr_sg = ocrdma_map_mr_sg;
dev->ibdev.alloc_fast_reg_page_list = ocrdma_alloc_frmr_page_list;
dev->ibdev.free_fast_reg_page_list = ocrdma_free_frmr_page_list;
/* mandatory to support user space verbs consumer. */
dev->ibdev.alloc_ucontext = ocrdma_alloc_ucontext;

104
drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
View File

@ -2133,41 +2133,6 @@ static void ocrdma_build_read(struct ocrdma_qp *qp, struct ocrdma_hdr_wqe *hdr,
ext_rw->len = hdr->total_len;
}
static void build_frmr_pbes(struct ib_fast_reg_wr *wr,
struct ocrdma_pbl *pbl_tbl,
struct ocrdma_hw_mr *hwmr)
{
int i;
u64 buf_addr = 0;
int num_pbes;
struct ocrdma_pbe *pbe;
pbe = (struct ocrdma_pbe *)pbl_tbl->va;
num_pbes = 0;
/* go through the OS phy regions & fill hw pbe entries into pbls. */
for (i = 0; i < wr->page_list_len; i++) {
/* number of pbes can be more for one OS buf, when
* buffers are of different sizes.
* split the ib_buf to one or more pbes.
*/
buf_addr = wr->page_list->page_list[i];
pbe->pa_lo = cpu_to_le32((u32) (buf_addr & PAGE_MASK));
pbe->pa_hi = cpu_to_le32((u32) upper_32_bits(buf_addr));
num_pbes += 1;
pbe++;
/* if the pbl is full storing the pbes,
* move to next pbl.
*/
if (num_pbes == (hwmr->pbl_size/sizeof(u64))) {
pbl_tbl++;
pbe = (struct ocrdma_pbe *)pbl_tbl->va;
}
}
return;
}
static int get_encoded_page_size(int pg_sz)
{
/* Max size is 256M 4096 << 16 */
@ -2234,50 +2199,6 @@ static int ocrdma_build_reg(struct ocrdma_qp *qp,
return 0;
}
static int ocrdma_build_fr(struct ocrdma_qp *qp, struct ocrdma_hdr_wqe *hdr,
struct ib_send_wr *send_wr)
{
u64 fbo;
struct ib_fast_reg_wr *wr = fast_reg_wr(send_wr);
struct ocrdma_ewqe_fr *fast_reg = (struct ocrdma_ewqe_fr *)(hdr + 1);
struct ocrdma_mr *mr;
struct ocrdma_dev *dev = get_ocrdma_dev(qp->ibqp.device);
u32 wqe_size = sizeof(*fast_reg) + sizeof(*hdr);
wqe_size = roundup(wqe_size, OCRDMA_WQE_ALIGN_BYTES);
if (wr->page_list_len > dev->attr.max_pages_per_frmr)
return -EINVAL;
hdr->cw |= (OCRDMA_FR_MR << OCRDMA_WQE_OPCODE_SHIFT);
hdr->cw |= ((wqe_size / OCRDMA_WQE_STRIDE) << OCRDMA_WQE_SIZE_SHIFT);
if (wr->page_list_len == 0)
BUG();
if (wr->access_flags & IB_ACCESS_LOCAL_WRITE)
hdr->rsvd_lkey_flags |= OCRDMA_LKEY_FLAG_LOCAL_WR;
if (wr->access_flags & IB_ACCESS_REMOTE_WRITE)
hdr->rsvd_lkey_flags |= OCRDMA_LKEY_FLAG_REMOTE_WR;
if (wr->access_flags & IB_ACCESS_REMOTE_READ)
hdr->rsvd_lkey_flags |= OCRDMA_LKEY_FLAG_REMOTE_RD;
hdr->lkey = wr->rkey;
hdr->total_len = wr->length;
fbo = wr->iova_start - (wr->page_list->page_list[0] & PAGE_MASK);
fast_reg->va_hi = upper_32_bits(wr->iova_start);
fast_reg->va_lo = (u32) (wr->iova_start & 0xffffffff);
fast_reg->fbo_hi = upper_32_bits(fbo);
fast_reg->fbo_lo = (u32) fbo & 0xffffffff;
fast_reg->num_sges = wr->page_list_len;
fast_reg->size_sge =
get_encoded_page_size(1 << wr->page_shift);
mr = (struct ocrdma_mr *) (unsigned long)
dev->stag_arr[(hdr->lkey >> 8) & (OCRDMA_MAX_STAG - 1)];
build_frmr_pbes(wr, mr->hwmr.pbl_table, &mr->hwmr);
return 0;
}
static void ocrdma_ring_sq_db(struct ocrdma_qp *qp)
{
u32 val = qp->sq.dbid | (1 << OCRDMA_DB_SQ_SHIFT);
@ -2357,9 +2278,6 @@ int ocrdma_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
OCRDMA_WQE_STRIDE) << OCRDMA_WQE_SIZE_SHIFT;
hdr->lkey = wr->ex.invalidate_rkey;
break;
case IB_WR_FAST_REG_MR:
status = ocrdma_build_fr(qp, hdr, wr);
break;
case IB_WR_REG_MR:
status = ocrdma_build_reg(qp, hdr, reg_wr(wr));
break;
@ -2627,7 +2545,7 @@ static void ocrdma_update_wc(struct ocrdma_qp *qp, struct ib_wc *ibwc,
ibwc->opcode = IB_WC_SEND;
break;
case OCRDMA_FR_MR:
ibwc->opcode = IB_WC_FAST_REG_MR;
ibwc->opcode = IB_WC_REG_MR;
break;
case OCRDMA_LKEY_INV:
ibwc->opcode = IB_WC_LOCAL_INV;
@ -3148,26 +3066,6 @@ struct ib_mr *ocrdma_alloc_mr(struct ib_pd *ibpd,
return ERR_PTR(-ENOMEM);
}
struct ib_fast_reg_page_list *ocrdma_alloc_frmr_page_list(struct ib_device
*ibdev,
int page_list_len)
{
struct ib_fast_reg_page_list *frmr_list;
int size;
size = sizeof(*frmr_list) + (page_list_len * sizeof(u64));
frmr_list = kzalloc(size, GFP_KERNEL);
if (!frmr_list)
return ERR_PTR(-ENOMEM);
frmr_list->page_list = (u64 *)(frmr_list + 1);
return frmr_list;
}
void ocrdma_free_frmr_page_list(struct ib_fast_reg_page_list *page_list)
{
kfree(page_list);
}
#define MAX_KERNEL_PBE_SIZE 65536
static inline int count_kernel_pbes(struct ib_phys_buf *buf_list,
int buf_cnt, u32 *pbe_size)

4
drivers/infiniband/hw/ocrdma/ocrdma_verbs.h
View File

@ -128,9 +128,5 @@ struct ib_mr *ocrdma_alloc_mr(struct ib_pd *pd,
int ocrdma_map_mr_sg(struct ib_mr *ibmr,
struct scatterlist *sg,
int sg_nents);
struct ib_fast_reg_page_list *ocrdma_alloc_frmr_page_list(struct ib_device
*ibdev,
int page_list_len);
void ocrdma_free_frmr_page_list(struct ib_fast_reg_page_list *page_list);
#endif /* __OCRDMA_VERBS_H__ */