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RDMA/irdma: Split QP handler into irdma_reg_user_mr_type_qp

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Split the source codes related with QP handling into a new function.

Reviewed-by: Shiraz Saleem <shiraz.saleem@intel.com>
Signed-off-by: Zhu Yanjun <yanjun.zhu@linux.dev>
Link: https://lore.kernel.org/r/20230116193502.66540-4-yanjun.zhu@intel.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
This commit is contained in:
Zhu Yanjun 2023-01-16 14:35:01 -05:00 • committed by Leon Romanovsky
parent 693a5386ef
commit e965ef0e7b
1 changed files with 33 additions and 14 deletions
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47
drivers/infiniband/hw/irdma/verbs.c
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@ -2835,6 +2835,38 @@ static void irdma_free_iwmr(struct irdma_mr *iwmr)
kfree(iwmr); kfree(iwmr);
} }
static int irdma_reg_user_mr_type_qp(struct irdma_mem_reg_req req,
struct ib_udata *udata,
struct irdma_mr *iwmr)
{
struct irdma_device *iwdev = to_iwdev(iwmr->ibmr.device);
struct irdma_pbl *iwpbl = &iwmr->iwpbl;
struct irdma_ucontext *ucontext = NULL;
unsigned long flags;
bool use_pbles;
u32 total;
int err;
total = req.sq_pages + req.rq_pages + 1;
if (total > iwmr->page_cnt)
return -EINVAL;
total = req.sq_pages + req.rq_pages;
use_pbles = total > 2;
err = irdma_handle_q_mem(iwdev, &req, iwpbl, use_pbles);
if (err)
return err;
ucontext = rdma_udata_to_drv_context(udata, struct irdma_ucontext,
ibucontext);
spin_lock_irqsave(&ucontext->qp_reg_mem_list_lock, flags);
list_add_tail(&iwpbl->list, &ucontext->qp_reg_mem_list);
iwpbl->on_list = true;
spin_unlock_irqrestore(&ucontext->qp_reg_mem_list_lock, flags);
return 0;
}
/** /**
* irdma_reg_user_mr - Register a user memory region * irdma_reg_user_mr - Register a user memory region
* @pd: ptr of pd * @pd: ptr of pd
@ -2890,23 +2922,10 @@ static struct ib_mr *irdma_reg_user_mr(struct ib_pd *pd, u64 start, u64 len,
switch (req.reg_type) { switch (req.reg_type) {
case IRDMA_MEMREG_TYPE_QP: case IRDMA_MEMREG_TYPE_QP:
total = req.sq_pages + req.rq_pages + shadow_pgcnt; err = irdma_reg_user_mr_type_qp(req, udata, iwmr);
if (total > iwmr->page_cnt) {
err = -EINVAL;
goto error;
}
total = req.sq_pages + req.rq_pages;
use_pbles = (total > 2);
err = irdma_handle_q_mem(iwdev, &req, iwpbl, use_pbles);
if (err) if (err)
goto error; goto error;
ucontext = rdma_udata_to_drv_context(udata, struct irdma_ucontext,
ibucontext);
spin_lock_irqsave(&ucontext->qp_reg_mem_list_lock, flags);
list_add_tail(&iwpbl->list, &ucontext->qp_reg_mem_list);
iwpbl->on_list = true;
spin_unlock_irqrestore(&ucontext->qp_reg_mem_list_lock, flags);
break; break;
case IRDMA_MEMREG_TYPE_CQ: case IRDMA_MEMREG_TYPE_CQ:
if (iwdev->rf->sc_dev.hw_attrs.uk_attrs.feature_flags & IRDMA_FEATURE_CQ_RESIZE) if (iwdev->rf->sc_dev.hw_attrs.uk_attrs.feature_flags & IRDMA_FEATURE_CQ_RESIZE)