From 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 13 May 2024 10:30:14 +0000
Subject: [PATCH] modify sin led gpio
---
kernel/drivers/infiniband/hw/mthca/mthca_srq.c | 48 +++++++++++++++++++++++++-----------------------
1 files changed, 25 insertions(+), 23 deletions(-)
diff --git a/kernel/drivers/infiniband/hw/mthca/mthca_srq.c b/kernel/drivers/infiniband/hw/mthca/mthca_srq.c
index 9a3fc6f..a85935c 100644
--- a/kernel/drivers/infiniband/hw/mthca/mthca_srq.c
+++ b/kernel/drivers/infiniband/hw/mthca/mthca_srq.c
@@ -36,6 +36,8 @@
#include <asm/io.h>
+#include <rdma/uverbs_ioctl.h>
+
#include "mthca_dev.h"
#include "mthca_cmd.h"
#include "mthca_memfree.h"
@@ -95,17 +97,20 @@
static void mthca_tavor_init_srq_context(struct mthca_dev *dev,
struct mthca_pd *pd,
struct mthca_srq *srq,
- struct mthca_tavor_srq_context *context)
+ struct mthca_tavor_srq_context *context,
+ struct ib_udata *udata)
{
+ struct mthca_ucontext *ucontext = rdma_udata_to_drv_context(
+ udata, struct mthca_ucontext, ibucontext);
+
memset(context, 0, sizeof *context);
context->wqe_base_ds = cpu_to_be64(1 << (srq->wqe_shift - 4));
context->state_pd = cpu_to_be32(pd->pd_num);
context->lkey = cpu_to_be32(srq->mr.ibmr.lkey);
- if (pd->ibpd.uobject)
- context->uar =
- cpu_to_be32(to_mucontext(pd->ibpd.uobject->context)->uar.index);
+ if (udata)
+ context->uar = cpu_to_be32(ucontext->uar.index);
else
context->uar = cpu_to_be32(dev->driver_uar.index);
}
@@ -113,8 +118,11 @@
static void mthca_arbel_init_srq_context(struct mthca_dev *dev,
struct mthca_pd *pd,
struct mthca_srq *srq,
- struct mthca_arbel_srq_context *context)
+ struct mthca_arbel_srq_context *context,
+ struct ib_udata *udata)
{
+ struct mthca_ucontext *ucontext = rdma_udata_to_drv_context(
+ udata, struct mthca_ucontext, ibucontext);
int logsize, max;
memset(context, 0, sizeof *context);
@@ -129,9 +137,8 @@
context->lkey = cpu_to_be32(srq->mr.ibmr.lkey);
context->db_index = cpu_to_be32(srq->db_index);
context->logstride_usrpage = cpu_to_be32((srq->wqe_shift - 4) << 29);
- if (pd->ibpd.uobject)
- context->logstride_usrpage |=
- cpu_to_be32(to_mucontext(pd->ibpd.uobject->context)->uar.index);
+ if (udata)
+ context->logstride_usrpage |= cpu_to_be32(ucontext->uar.index);
else
context->logstride_usrpage |= cpu_to_be32(dev->driver_uar.index);
context->eq_pd = cpu_to_be32(MTHCA_EQ_ASYNC << 24 | pd->pd_num);
@@ -145,14 +152,14 @@
}
static int mthca_alloc_srq_buf(struct mthca_dev *dev, struct mthca_pd *pd,
- struct mthca_srq *srq)
+ struct mthca_srq *srq, struct ib_udata *udata)
{
struct mthca_data_seg *scatter;
void *wqe;
int err;
int i;
- if (pd->ibpd.uobject)
+ if (udata)
return 0;
srq->wrid = kmalloc_array(srq->max, sizeof(u64), GFP_KERNEL);
@@ -197,7 +204,8 @@
}
int mthca_alloc_srq(struct mthca_dev *dev, struct mthca_pd *pd,
- struct ib_srq_attr *attr, struct mthca_srq *srq)
+ struct ib_srq_attr *attr, struct mthca_srq *srq,
+ struct ib_udata *udata)
{
struct mthca_mailbox *mailbox;
int ds;
@@ -235,7 +243,7 @@
if (err)
goto err_out;
- if (!pd->ibpd.uobject) {
+ if (!udata) {
srq->db_index = mthca_alloc_db(dev, MTHCA_DB_TYPE_SRQ,
srq->srqn, &srq->db);
if (srq->db_index < 0) {
@@ -251,7 +259,7 @@
goto err_out_db;
}
- err = mthca_alloc_srq_buf(dev, pd, srq);
+ err = mthca_alloc_srq_buf(dev, pd, srq, udata);
if (err)
goto err_out_mailbox;
@@ -261,9 +269,9 @@
mutex_init(&srq->mutex);
if (mthca_is_memfree(dev))
- mthca_arbel_init_srq_context(dev, pd, srq, mailbox->buf);
+ mthca_arbel_init_srq_context(dev, pd, srq, mailbox->buf, udata);
else
- mthca_tavor_init_srq_context(dev, pd, srq, mailbox->buf);
+ mthca_tavor_init_srq_context(dev, pd, srq, mailbox->buf, udata);
err = mthca_SW2HW_SRQ(dev, mailbox, srq->srqn);
@@ -297,14 +305,14 @@
mthca_warn(dev, "HW2SW_SRQ failed (%d)\n", err);
err_out_free_buf:
- if (!pd->ibpd.uobject)
+ if (!udata)
mthca_free_srq_buf(dev, srq);
err_out_mailbox:
mthca_free_mailbox(dev, mailbox);
err_out_db:
- if (!pd->ibpd.uobject && mthca_is_memfree(dev))
+ if (!udata && mthca_is_memfree(dev))
mthca_free_db(dev, MTHCA_DB_TYPE_SRQ, srq->db_index);
err_out_icm:
@@ -561,12 +569,6 @@
dev->kar + MTHCA_RECEIVE_DOORBELL,
MTHCA_GET_DOORBELL_LOCK(&dev->doorbell_lock));
}
-
- /*
- * Make sure doorbells don't leak out of SRQ spinlock and
- * reach the HCA out of order:
- */
- mmiowb();
spin_unlock_irqrestore(&srq->lock, flags);
return err;
--
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