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_provider.c | 630 ++++++++++++++++++++++++---------------------------------
1 files changed, 265 insertions(+), 365 deletions(-)
diff --git a/kernel/drivers/infiniband/hw/mthca/mthca_provider.c b/kernel/drivers/infiniband/hw/mthca/mthca_provider.c
index 21f4239..c4d9cdc 100644
--- a/kernel/drivers/infiniband/hw/mthca/mthca_provider.c
+++ b/kernel/drivers/infiniband/hw/mthca/mthca_provider.c
@@ -37,6 +37,7 @@
#include <rdma/ib_smi.h>
#include <rdma/ib_umem.h>
#include <rdma/ib_user_verbs.h>
+#include <rdma/uverbs_ioctl.h>
#include <linux/sched.h>
#include <linux/slab.h>
@@ -117,16 +118,6 @@
props->max_mcast_qp_attach = MTHCA_QP_PER_MGM;
props->max_total_mcast_qp_attach = props->max_mcast_qp_attach *
props->max_mcast_grp;
- /*
- * If Sinai memory key optimization is being used, then only
- * the 8-bit key portion will change. For other HCAs, the
- * unused index bits will also be used for FMR remapping.
- */
- if (mdev->mthca_flags & MTHCA_FLAG_SINAI_OPT)
- props->max_map_per_fmr = 255;
- else
- props->max_map_per_fmr =
- (1 << (32 - ilog2(mdev->limits.num_mpts))) - 1;
err = 0;
out:
@@ -300,17 +291,16 @@
return err;
}
-static struct ib_ucontext *mthca_alloc_ucontext(struct ib_device *ibdev,
- struct ib_udata *udata)
+static int mthca_alloc_ucontext(struct ib_ucontext *uctx,
+ struct ib_udata *udata)
{
- struct mthca_alloc_ucontext_resp uresp;
- struct mthca_ucontext *context;
+ struct ib_device *ibdev = uctx->device;
+ struct mthca_alloc_ucontext_resp uresp = {};
+ struct mthca_ucontext *context = to_mucontext(uctx);
int err;
if (!(to_mdev(ibdev)->active))
- return ERR_PTR(-EAGAIN);
-
- memset(&uresp, 0, sizeof uresp);
+ return -EAGAIN;
uresp.qp_tab_size = to_mdev(ibdev)->limits.num_qps;
if (mthca_is_memfree(to_mdev(ibdev)))
@@ -318,44 +308,33 @@
else
uresp.uarc_size = 0;
- context = kmalloc(sizeof *context, GFP_KERNEL);
- if (!context)
- return ERR_PTR(-ENOMEM);
-
err = mthca_uar_alloc(to_mdev(ibdev), &context->uar);
- if (err) {
- kfree(context);
- return ERR_PTR(err);
- }
+ if (err)
+ return err;
context->db_tab = mthca_init_user_db_tab(to_mdev(ibdev));
if (IS_ERR(context->db_tab)) {
err = PTR_ERR(context->db_tab);
mthca_uar_free(to_mdev(ibdev), &context->uar);
- kfree(context);
- return ERR_PTR(err);
+ return err;
}
- if (ib_copy_to_udata(udata, &uresp, sizeof uresp)) {
+ if (ib_copy_to_udata(udata, &uresp, sizeof(uresp))) {
mthca_cleanup_user_db_tab(to_mdev(ibdev), &context->uar, context->db_tab);
mthca_uar_free(to_mdev(ibdev), &context->uar);
- kfree(context);
- return ERR_PTR(-EFAULT);
+ return -EFAULT;
}
context->reg_mr_warned = 0;
- return &context->ibucontext;
+ return 0;
}
-static int mthca_dealloc_ucontext(struct ib_ucontext *context)
+static void mthca_dealloc_ucontext(struct ib_ucontext *context)
{
mthca_cleanup_user_db_tab(to_mdev(context->device), &to_mucontext(context)->uar,
to_mucontext(context)->db_tab);
mthca_uar_free(to_mdev(context->device), &to_mucontext(context)->uar);
- kfree(to_mucontext(context));
-
- return 0;
}
static int mthca_mmap_uar(struct ib_ucontext *context,
@@ -374,144 +353,109 @@
return 0;
}
-static struct ib_pd *mthca_alloc_pd(struct ib_device *ibdev,
- struct ib_ucontext *context,
- struct ib_udata *udata)
+static int mthca_alloc_pd(struct ib_pd *ibpd, struct ib_udata *udata)
{
- struct mthca_pd *pd;
+ struct ib_device *ibdev = ibpd->device;
+ struct mthca_pd *pd = to_mpd(ibpd);
int err;
- pd = kmalloc(sizeof *pd, GFP_KERNEL);
- if (!pd)
- return ERR_PTR(-ENOMEM);
+ err = mthca_pd_alloc(to_mdev(ibdev), !udata, pd);
+ if (err)
+ return err;
- err = mthca_pd_alloc(to_mdev(ibdev), !context, pd);
- if (err) {
- kfree(pd);
- return ERR_PTR(err);
- }
-
- if (context) {
+ if (udata) {
if (ib_copy_to_udata(udata, &pd->pd_num, sizeof (__u32))) {
mthca_pd_free(to_mdev(ibdev), pd);
- kfree(pd);
- return ERR_PTR(-EFAULT);
+ return -EFAULT;
}
}
- return &pd->ibpd;
+ return 0;
}
-static int mthca_dealloc_pd(struct ib_pd *pd)
+static int mthca_dealloc_pd(struct ib_pd *pd, struct ib_udata *udata)
{
mthca_pd_free(to_mdev(pd->device), to_mpd(pd));
- kfree(pd);
-
return 0;
}
-static struct ib_ah *mthca_ah_create(struct ib_pd *pd,
- struct rdma_ah_attr *ah_attr,
- struct ib_udata *udata)
+static int mthca_ah_create(struct ib_ah *ibah,
+ struct rdma_ah_init_attr *init_attr,
+ struct ib_udata *udata)
{
- int err;
- struct mthca_ah *ah;
+ struct mthca_ah *ah = to_mah(ibah);
- ah = kmalloc(sizeof *ah, GFP_ATOMIC);
- if (!ah)
- return ERR_PTR(-ENOMEM);
-
- err = mthca_create_ah(to_mdev(pd->device), to_mpd(pd), ah_attr, ah);
- if (err) {
- kfree(ah);
- return ERR_PTR(err);
- }
-
- return &ah->ibah;
+ return mthca_create_ah(to_mdev(ibah->device), to_mpd(ibah->pd),
+ init_attr->ah_attr, ah);
}
-static int mthca_ah_destroy(struct ib_ah *ah)
+static int mthca_ah_destroy(struct ib_ah *ah, u32 flags)
{
mthca_destroy_ah(to_mdev(ah->device), to_mah(ah));
- kfree(ah);
-
return 0;
}
-static struct ib_srq *mthca_create_srq(struct ib_pd *pd,
- struct ib_srq_init_attr *init_attr,
- struct ib_udata *udata)
+static int mthca_create_srq(struct ib_srq *ibsrq,
+ struct ib_srq_init_attr *init_attr,
+ struct ib_udata *udata)
{
struct mthca_create_srq ucmd;
- struct mthca_ucontext *context = NULL;
- struct mthca_srq *srq;
+ struct mthca_ucontext *context = rdma_udata_to_drv_context(
+ udata, struct mthca_ucontext, ibucontext);
+ struct mthca_srq *srq = to_msrq(ibsrq);
int err;
if (init_attr->srq_type != IB_SRQT_BASIC)
- return ERR_PTR(-EOPNOTSUPP);
+ return -EOPNOTSUPP;
- srq = kmalloc(sizeof *srq, GFP_KERNEL);
- if (!srq)
- return ERR_PTR(-ENOMEM);
+ if (udata) {
+ if (ib_copy_from_udata(&ucmd, udata, sizeof(ucmd)))
+ return -EFAULT;
- if (pd->uobject) {
- context = to_mucontext(pd->uobject->context);
-
- if (ib_copy_from_udata(&ucmd, udata, sizeof ucmd)) {
- err = -EFAULT;
- goto err_free;
- }
-
- err = mthca_map_user_db(to_mdev(pd->device), &context->uar,
+ err = mthca_map_user_db(to_mdev(ibsrq->device), &context->uar,
context->db_tab, ucmd.db_index,
ucmd.db_page);
if (err)
- goto err_free;
+ return err;
srq->mr.ibmr.lkey = ucmd.lkey;
srq->db_index = ucmd.db_index;
}
- err = mthca_alloc_srq(to_mdev(pd->device), to_mpd(pd),
- &init_attr->attr, srq);
+ err = mthca_alloc_srq(to_mdev(ibsrq->device), to_mpd(ibsrq->pd),
+ &init_attr->attr, srq, udata);
- if (err && pd->uobject)
- mthca_unmap_user_db(to_mdev(pd->device), &context->uar,
+ if (err && udata)
+ mthca_unmap_user_db(to_mdev(ibsrq->device), &context->uar,
context->db_tab, ucmd.db_index);
if (err)
- goto err_free;
+ return err;
- if (context && ib_copy_to_udata(udata, &srq->srqn, sizeof (__u32))) {
- mthca_free_srq(to_mdev(pd->device), srq);
- err = -EFAULT;
- goto err_free;
+ if (context && ib_copy_to_udata(udata, &srq->srqn, sizeof(__u32))) {
+ mthca_free_srq(to_mdev(ibsrq->device), srq);
+ return -EFAULT;
}
- return &srq->ibsrq;
-
-err_free:
- kfree(srq);
-
- return ERR_PTR(err);
+ return 0;
}
-static int mthca_destroy_srq(struct ib_srq *srq)
+static int mthca_destroy_srq(struct ib_srq *srq, struct ib_udata *udata)
{
- struct mthca_ucontext *context;
-
- if (srq->uobject) {
- context = to_mucontext(srq->uobject->context);
+ if (udata) {
+ struct mthca_ucontext *context =
+ rdma_udata_to_drv_context(
+ udata,
+ struct mthca_ucontext,
+ ibucontext);
mthca_unmap_user_db(to_mdev(srq->device), &context->uar,
context->db_tab, to_msrq(srq)->db_index);
}
mthca_free_srq(to_mdev(srq->device), to_msrq(srq));
- kfree(srq);
-
return 0;
}
@@ -519,6 +463,8 @@
struct ib_qp_init_attr *init_attr,
struct ib_udata *udata)
{
+ struct mthca_ucontext *context = rdma_udata_to_drv_context(
+ udata, struct mthca_ucontext, ibucontext);
struct mthca_create_qp ucmd;
struct mthca_qp *qp;
int err;
@@ -531,15 +477,11 @@
case IB_QPT_UC:
case IB_QPT_UD:
{
- struct mthca_ucontext *context;
-
qp = kzalloc(sizeof(*qp), GFP_KERNEL);
if (!qp)
return ERR_PTR(-ENOMEM);
- if (pd->uobject) {
- context = to_mucontext(pd->uobject->context);
-
+ if (udata) {
if (ib_copy_from_udata(&ucmd, udata, sizeof ucmd)) {
kfree(qp);
return ERR_PTR(-EFAULT);
@@ -574,11 +516,9 @@
to_mcq(init_attr->send_cq),
to_mcq(init_attr->recv_cq),
init_attr->qp_type, init_attr->sq_sig_type,
- &init_attr->cap, qp);
+ &init_attr->cap, qp, udata);
- if (err && pd->uobject) {
- context = to_mucontext(pd->uobject->context);
-
+ if (err && udata) {
mthca_unmap_user_db(to_mdev(pd->device),
&context->uar,
context->db_tab,
@@ -595,13 +535,14 @@
case IB_QPT_SMI:
case IB_QPT_GSI:
{
- /* Don't allow userspace to create special QPs */
- if (pd->uobject)
- return ERR_PTR(-EINVAL);
-
- qp = kzalloc(sizeof(struct mthca_sqp), GFP_KERNEL);
+ qp = kzalloc(sizeof(*qp), GFP_KERNEL);
if (!qp)
return ERR_PTR(-ENOMEM);
+ qp->sqp = kzalloc(sizeof(struct mthca_sqp), GFP_KERNEL);
+ if (!qp->sqp) {
+ kfree(qp);
+ return ERR_PTR(-ENOMEM);
+ }
qp->ibqp.qp_num = init_attr->qp_type == IB_QPT_SMI ? 0 : 1;
@@ -610,15 +551,16 @@
to_mcq(init_attr->recv_cq),
init_attr->sq_sig_type, &init_attr->cap,
qp->ibqp.qp_num, init_attr->port_num,
- to_msqp(qp));
+ qp, udata);
break;
}
default:
/* Don't support raw QPs */
- return ERR_PTR(-ENOSYS);
+ return ERR_PTR(-EOPNOTSUPP);
}
if (err) {
+ kfree(qp->sqp);
kfree(qp);
return ERR_PTR(err);
}
@@ -632,64 +574,69 @@
return &qp->ibqp;
}
-static int mthca_destroy_qp(struct ib_qp *qp)
+static int mthca_destroy_qp(struct ib_qp *qp, struct ib_udata *udata)
{
- if (qp->uobject) {
+ if (udata) {
+ struct mthca_ucontext *context =
+ rdma_udata_to_drv_context(
+ udata,
+ struct mthca_ucontext,
+ ibucontext);
+
mthca_unmap_user_db(to_mdev(qp->device),
- &to_mucontext(qp->uobject->context)->uar,
- to_mucontext(qp->uobject->context)->db_tab,
+ &context->uar,
+ context->db_tab,
to_mqp(qp)->sq.db_index);
mthca_unmap_user_db(to_mdev(qp->device),
- &to_mucontext(qp->uobject->context)->uar,
- to_mucontext(qp->uobject->context)->db_tab,
+ &context->uar,
+ context->db_tab,
to_mqp(qp)->rq.db_index);
}
mthca_free_qp(to_mdev(qp->device), to_mqp(qp));
- kfree(qp);
+ kfree(to_mqp(qp)->sqp);
+ kfree(to_mqp(qp));
return 0;
}
-static struct ib_cq *mthca_create_cq(struct ib_device *ibdev,
- const struct ib_cq_init_attr *attr,
- struct ib_ucontext *context,
- struct ib_udata *udata)
+static int mthca_create_cq(struct ib_cq *ibcq,
+ const struct ib_cq_init_attr *attr,
+ struct ib_udata *udata)
{
+ struct ib_device *ibdev = ibcq->device;
int entries = attr->cqe;
struct mthca_create_cq ucmd;
struct mthca_cq *cq;
int nent;
int err;
+ struct mthca_ucontext *context = rdma_udata_to_drv_context(
+ udata, struct mthca_ucontext, ibucontext);
if (attr->flags)
- return ERR_PTR(-EINVAL);
+ return -EINVAL;
if (entries < 1 || entries > to_mdev(ibdev)->limits.max_cqes)
- return ERR_PTR(-EINVAL);
+ return -EINVAL;
- if (context) {
- if (ib_copy_from_udata(&ucmd, udata, sizeof ucmd))
- return ERR_PTR(-EFAULT);
+ if (udata) {
+ if (ib_copy_from_udata(&ucmd, udata, sizeof(ucmd)))
+ return -EFAULT;
- err = mthca_map_user_db(to_mdev(ibdev), &to_mucontext(context)->uar,
- to_mucontext(context)->db_tab,
- ucmd.set_db_index, ucmd.set_db_page);
+ err = mthca_map_user_db(to_mdev(ibdev), &context->uar,
+ context->db_tab, ucmd.set_db_index,
+ ucmd.set_db_page);
if (err)
- return ERR_PTR(err);
+ return err;
- err = mthca_map_user_db(to_mdev(ibdev), &to_mucontext(context)->uar,
- to_mucontext(context)->db_tab,
- ucmd.arm_db_index, ucmd.arm_db_page);
+ err = mthca_map_user_db(to_mdev(ibdev), &context->uar,
+ context->db_tab, ucmd.arm_db_index,
+ ucmd.arm_db_page);
if (err)
goto err_unmap_set;
}
- cq = kmalloc(sizeof *cq, GFP_KERNEL);
- if (!cq) {
- err = -ENOMEM;
- goto err_unmap_arm;
- }
+ cq = to_mcq(ibcq);
- if (context) {
+ if (udata) {
cq->buf.mr.ibmr.lkey = ucmd.lkey;
cq->set_ci_db_index = ucmd.set_db_index;
cq->arm_db_index = ucmd.arm_db_index;
@@ -698,37 +645,33 @@
for (nent = 1; nent <= entries; nent <<= 1)
; /* nothing */
- err = mthca_init_cq(to_mdev(ibdev), nent,
- context ? to_mucontext(context) : NULL,
- context ? ucmd.pdn : to_mdev(ibdev)->driver_pd.pd_num,
+ err = mthca_init_cq(to_mdev(ibdev), nent, context,
+ udata ? ucmd.pdn : to_mdev(ibdev)->driver_pd.pd_num,
cq);
if (err)
- goto err_free;
+ goto err_unmap_arm;
- if (context && ib_copy_to_udata(udata, &cq->cqn, sizeof (__u32))) {
+ if (udata && ib_copy_to_udata(udata, &cq->cqn, sizeof(__u32))) {
mthca_free_cq(to_mdev(ibdev), cq);
err = -EFAULT;
- goto err_free;
+ goto err_unmap_arm;
}
cq->resize_buf = NULL;
- return &cq->ibcq;
-
-err_free:
- kfree(cq);
+ return 0;
err_unmap_arm:
- if (context)
- mthca_unmap_user_db(to_mdev(ibdev), &to_mucontext(context)->uar,
- to_mucontext(context)->db_tab, ucmd.arm_db_index);
+ if (udata)
+ mthca_unmap_user_db(to_mdev(ibdev), &context->uar,
+ context->db_tab, ucmd.arm_db_index);
err_unmap_set:
- if (context)
- mthca_unmap_user_db(to_mdev(ibdev), &to_mucontext(context)->uar,
- to_mucontext(context)->db_tab, ucmd.set_db_index);
+ if (udata)
+ mthca_unmap_user_db(to_mdev(ibdev), &context->uar,
+ context->db_tab, ucmd.set_db_index);
- return ERR_PTR(err);
+ return err;
}
static int mthca_alloc_resize_buf(struct mthca_dev *dev, struct mthca_cq *cq,
@@ -852,21 +795,25 @@
return ret;
}
-static int mthca_destroy_cq(struct ib_cq *cq)
+static int mthca_destroy_cq(struct ib_cq *cq, struct ib_udata *udata)
{
- if (cq->uobject) {
+ if (udata) {
+ struct mthca_ucontext *context =
+ rdma_udata_to_drv_context(
+ udata,
+ struct mthca_ucontext,
+ ibucontext);
+
mthca_unmap_user_db(to_mdev(cq->device),
- &to_mucontext(cq->uobject->context)->uar,
- to_mucontext(cq->uobject->context)->db_tab,
+ &context->uar,
+ context->db_tab,
to_mcq(cq)->arm_db_index);
mthca_unmap_user_db(to_mdev(cq->device),
- &to_mucontext(cq->uobject->context)->uar,
- to_mucontext(cq->uobject->context)->db_tab,
+ &context->uar,
+ context->db_tab,
to_mcq(cq)->set_ci_db_index);
}
mthca_free_cq(to_mdev(cq->device), to_mcq(cq));
- kfree(cq);
-
return 0;
}
@@ -906,22 +853,23 @@
u64 virt, int acc, struct ib_udata *udata)
{
struct mthca_dev *dev = to_mdev(pd->device);
- struct scatterlist *sg;
+ struct ib_block_iter biter;
+ struct mthca_ucontext *context = rdma_udata_to_drv_context(
+ udata, struct mthca_ucontext, ibucontext);
struct mthca_mr *mr;
struct mthca_reg_mr ucmd;
u64 *pages;
- int shift, n, len;
- int i, k, entry;
+ int n, i;
int err = 0;
int write_mtt_size;
if (udata->inlen < sizeof ucmd) {
- if (!to_mucontext(pd->uobject->context)->reg_mr_warned) {
+ if (!context->reg_mr_warned) {
mthca_warn(dev, "Process '%s' did not pass in MR attrs.\n",
current->comm);
mthca_warn(dev, " Update libmthca to fix this.\n");
}
- ++to_mucontext(pd->uobject->context)->reg_mr_warned;
+ ++context->reg_mr_warned;
ucmd.mr_attrs = 0;
} else if (ib_copy_from_udata(&ucmd, udata, sizeof ucmd))
return ERR_PTR(-EFAULT);
@@ -930,16 +878,13 @@
if (!mr)
return ERR_PTR(-ENOMEM);
- mr->umem = ib_umem_get(pd->uobject->context, start, length, acc,
- ucmd.mr_attrs & MTHCA_MR_DMASYNC);
-
+ mr->umem = ib_umem_get(pd->device, start, length, acc);
if (IS_ERR(mr->umem)) {
err = PTR_ERR(mr->umem);
goto err;
}
- shift = mr->umem->page_shift;
- n = mr->umem->nmap;
+ n = ib_umem_num_dma_blocks(mr->umem, PAGE_SIZE);
mr->mtt = mthca_alloc_mtt(dev, n);
if (IS_ERR(mr->mtt)) {
@@ -957,21 +902,19 @@
write_mtt_size = min(mthca_write_mtt_size(dev), (int) (PAGE_SIZE / sizeof *pages));
- for_each_sg(mr->umem->sg_head.sgl, sg, mr->umem->nmap, entry) {
- len = sg_dma_len(sg) >> shift;
- for (k = 0; k < len; ++k) {
- pages[i++] = sg_dma_address(sg) + (k << shift);
- /*
- * Be friendly to write_mtt and pass it chunks
- * of appropriate size.
- */
- if (i == write_mtt_size) {
- err = mthca_write_mtt(dev, mr->mtt, n, pages, i);
- if (err)
- goto mtt_done;
- n += i;
- i = 0;
- }
+ rdma_umem_for_each_dma_block(mr->umem, &biter, PAGE_SIZE) {
+ pages[i++] = rdma_block_iter_dma_address(&biter);
+
+ /*
+ * Be friendly to write_mtt and pass it chunks
+ * of appropriate size.
+ */
+ if (i == write_mtt_size) {
+ err = mthca_write_mtt(dev, mr->mtt, n, pages, i);
+ if (err)
+ goto mtt_done;
+ n += i;
+ i = 0;
}
}
@@ -982,7 +925,7 @@
if (err)
goto err_mtt;
- err = mthca_mr_alloc(dev, to_mpd(pd)->pd_num, shift, virt, length,
+ err = mthca_mr_alloc(dev, to_mpd(pd)->pd_num, PAGE_SHIFT, virt, length,
convert_access(acc), mr);
if (err)
@@ -1001,94 +944,33 @@
return ERR_PTR(err);
}
-static int mthca_dereg_mr(struct ib_mr *mr)
+static int mthca_dereg_mr(struct ib_mr *mr, struct ib_udata *udata)
{
struct mthca_mr *mmr = to_mmr(mr);
mthca_free_mr(to_mdev(mr->device), mmr);
- if (mmr->umem)
- ib_umem_release(mmr->umem);
+ ib_umem_release(mmr->umem);
kfree(mmr);
return 0;
}
-static struct ib_fmr *mthca_alloc_fmr(struct ib_pd *pd, int mr_access_flags,
- struct ib_fmr_attr *fmr_attr)
-{
- struct mthca_fmr *fmr;
- int err;
-
- fmr = kmalloc(sizeof *fmr, GFP_KERNEL);
- if (!fmr)
- return ERR_PTR(-ENOMEM);
-
- memcpy(&fmr->attr, fmr_attr, sizeof *fmr_attr);
- err = mthca_fmr_alloc(to_mdev(pd->device), to_mpd(pd)->pd_num,
- convert_access(mr_access_flags), fmr);
-
- if (err) {
- kfree(fmr);
- return ERR_PTR(err);
- }
-
- return &fmr->ibmr;
-}
-
-static int mthca_dealloc_fmr(struct ib_fmr *fmr)
-{
- struct mthca_fmr *mfmr = to_mfmr(fmr);
- int err;
-
- err = mthca_free_fmr(to_mdev(fmr->device), mfmr);
- if (err)
- return err;
-
- kfree(mfmr);
- return 0;
-}
-
-static int mthca_unmap_fmr(struct list_head *fmr_list)
-{
- struct ib_fmr *fmr;
- int err;
- struct mthca_dev *mdev = NULL;
-
- list_for_each_entry(fmr, fmr_list, list) {
- if (mdev && to_mdev(fmr->device) != mdev)
- return -EINVAL;
- mdev = to_mdev(fmr->device);
- }
-
- if (!mdev)
- return 0;
-
- if (mthca_is_memfree(mdev)) {
- list_for_each_entry(fmr, fmr_list, list)
- mthca_arbel_fmr_unmap(mdev, to_mfmr(fmr));
-
- wmb();
- } else
- list_for_each_entry(fmr, fmr_list, list)
- mthca_tavor_fmr_unmap(mdev, to_mfmr(fmr));
-
- err = mthca_SYNC_TPT(mdev);
- return err;
-}
-
-static ssize_t show_rev(struct device *device, struct device_attribute *attr,
- char *buf)
+static ssize_t hw_rev_show(struct device *device,
+ struct device_attribute *attr, char *buf)
{
struct mthca_dev *dev =
- container_of(device, struct mthca_dev, ib_dev.dev);
+ rdma_device_to_drv_device(device, struct mthca_dev, ib_dev);
+
return sprintf(buf, "%x\n", dev->rev_id);
}
+static DEVICE_ATTR_RO(hw_rev);
-static ssize_t show_hca(struct device *device, struct device_attribute *attr,
- char *buf)
+static ssize_t hca_type_show(struct device *device,
+ struct device_attribute *attr, char *buf)
{
struct mthca_dev *dev =
- container_of(device, struct mthca_dev, ib_dev.dev);
+ rdma_device_to_drv_device(device, struct mthca_dev, ib_dev);
+
switch (dev->pdev->device) {
case PCI_DEVICE_ID_MELLANOX_TAVOR:
return sprintf(buf, "MT23108\n");
@@ -1103,23 +985,27 @@
return sprintf(buf, "unknown\n");
}
}
+static DEVICE_ATTR_RO(hca_type);
-static ssize_t show_board(struct device *device, struct device_attribute *attr,
- char *buf)
+static ssize_t board_id_show(struct device *device,
+ struct device_attribute *attr, char *buf)
{
struct mthca_dev *dev =
- container_of(device, struct mthca_dev, ib_dev.dev);
+ rdma_device_to_drv_device(device, struct mthca_dev, ib_dev);
+
return sprintf(buf, "%.*s\n", MTHCA_BOARD_ID_LEN, dev->board_id);
}
+static DEVICE_ATTR_RO(board_id);
-static DEVICE_ATTR(hw_rev, S_IRUGO, show_rev, NULL);
-static DEVICE_ATTR(hca_type, S_IRUGO, show_hca, NULL);
-static DEVICE_ATTR(board_id, S_IRUGO, show_board, NULL);
+static struct attribute *mthca_dev_attributes[] = {
+ &dev_attr_hw_rev.attr,
+ &dev_attr_hca_type.attr,
+ &dev_attr_board_id.attr,
+ NULL
+};
-static struct device_attribute *mthca_dev_attributes[] = {
- &dev_attr_hw_rev,
- &dev_attr_hca_type,
- &dev_attr_board_id
+static const struct attribute_group mthca_attr_group = {
+ .attrs = mthca_dev_attributes,
};
static int mthca_init_node_data(struct mthca_dev *dev)
@@ -1189,19 +1075,89 @@
(int) dev->fw_ver & 0xffff);
}
+static const struct ib_device_ops mthca_dev_ops = {
+ .owner = THIS_MODULE,
+ .driver_id = RDMA_DRIVER_MTHCA,
+ .uverbs_abi_ver = MTHCA_UVERBS_ABI_VERSION,
+ .uverbs_no_driver_id_binding = 1,
+
+ .alloc_pd = mthca_alloc_pd,
+ .alloc_ucontext = mthca_alloc_ucontext,
+ .attach_mcast = mthca_multicast_attach,
+ .create_ah = mthca_ah_create,
+ .create_cq = mthca_create_cq,
+ .create_qp = mthca_create_qp,
+ .dealloc_pd = mthca_dealloc_pd,
+ .dealloc_ucontext = mthca_dealloc_ucontext,
+ .dereg_mr = mthca_dereg_mr,
+ .destroy_ah = mthca_ah_destroy,
+ .destroy_cq = mthca_destroy_cq,
+ .destroy_qp = mthca_destroy_qp,
+ .detach_mcast = mthca_multicast_detach,
+ .get_dev_fw_str = get_dev_fw_str,
+ .get_dma_mr = mthca_get_dma_mr,
+ .get_port_immutable = mthca_port_immutable,
+ .mmap = mthca_mmap_uar,
+ .modify_device = mthca_modify_device,
+ .modify_port = mthca_modify_port,
+ .modify_qp = mthca_modify_qp,
+ .poll_cq = mthca_poll_cq,
+ .process_mad = mthca_process_mad,
+ .query_ah = mthca_ah_query,
+ .query_device = mthca_query_device,
+ .query_gid = mthca_query_gid,
+ .query_pkey = mthca_query_pkey,
+ .query_port = mthca_query_port,
+ .query_qp = mthca_query_qp,
+ .reg_user_mr = mthca_reg_user_mr,
+ .resize_cq = mthca_resize_cq,
+
+ INIT_RDMA_OBJ_SIZE(ib_ah, mthca_ah, ibah),
+ INIT_RDMA_OBJ_SIZE(ib_cq, mthca_cq, ibcq),
+ INIT_RDMA_OBJ_SIZE(ib_pd, mthca_pd, ibpd),
+ INIT_RDMA_OBJ_SIZE(ib_ucontext, mthca_ucontext, ibucontext),
+};
+
+static const struct ib_device_ops mthca_dev_arbel_srq_ops = {
+ .create_srq = mthca_create_srq,
+ .destroy_srq = mthca_destroy_srq,
+ .modify_srq = mthca_modify_srq,
+ .post_srq_recv = mthca_arbel_post_srq_recv,
+ .query_srq = mthca_query_srq,
+
+ INIT_RDMA_OBJ_SIZE(ib_srq, mthca_srq, ibsrq),
+};
+
+static const struct ib_device_ops mthca_dev_tavor_srq_ops = {
+ .create_srq = mthca_create_srq,
+ .destroy_srq = mthca_destroy_srq,
+ .modify_srq = mthca_modify_srq,
+ .post_srq_recv = mthca_tavor_post_srq_recv,
+ .query_srq = mthca_query_srq,
+
+ INIT_RDMA_OBJ_SIZE(ib_srq, mthca_srq, ibsrq),
+};
+
+static const struct ib_device_ops mthca_dev_arbel_ops = {
+ .post_recv = mthca_arbel_post_receive,
+ .post_send = mthca_arbel_post_send,
+ .req_notify_cq = mthca_arbel_arm_cq,
+};
+
+static const struct ib_device_ops mthca_dev_tavor_ops = {
+ .post_recv = mthca_tavor_post_receive,
+ .post_send = mthca_tavor_post_send,
+ .req_notify_cq = mthca_tavor_arm_cq,
+};
+
int mthca_register_device(struct mthca_dev *dev)
{
int ret;
- int i;
ret = mthca_init_node_data(dev);
if (ret)
return ret;
- strlcpy(dev->ib_dev.name, "mthca%d", IB_DEVICE_NAME_MAX);
- dev->ib_dev.owner = THIS_MODULE;
-
- dev->ib_dev.uverbs_abi_ver = MTHCA_UVERBS_ABI_VERSION;
dev->ib_dev.uverbs_cmd_mask =
(1ull << IB_USER_VERBS_CMD_GET_CONTEXT) |
(1ull << IB_USER_VERBS_CMD_QUERY_DEVICE) |
@@ -1224,26 +1180,8 @@
dev->ib_dev.phys_port_cnt = dev->limits.num_ports;
dev->ib_dev.num_comp_vectors = 1;
dev->ib_dev.dev.parent = &dev->pdev->dev;
- dev->ib_dev.query_device = mthca_query_device;
- dev->ib_dev.query_port = mthca_query_port;
- dev->ib_dev.modify_device = mthca_modify_device;
- dev->ib_dev.modify_port = mthca_modify_port;
- dev->ib_dev.query_pkey = mthca_query_pkey;
- dev->ib_dev.query_gid = mthca_query_gid;
- dev->ib_dev.alloc_ucontext = mthca_alloc_ucontext;
- dev->ib_dev.dealloc_ucontext = mthca_dealloc_ucontext;
- dev->ib_dev.mmap = mthca_mmap_uar;
- dev->ib_dev.alloc_pd = mthca_alloc_pd;
- dev->ib_dev.dealloc_pd = mthca_dealloc_pd;
- dev->ib_dev.create_ah = mthca_ah_create;
- dev->ib_dev.query_ah = mthca_ah_query;
- dev->ib_dev.destroy_ah = mthca_ah_destroy;
if (dev->mthca_flags & MTHCA_FLAG_SRQ) {
- dev->ib_dev.create_srq = mthca_create_srq;
- dev->ib_dev.modify_srq = mthca_modify_srq;
- dev->ib_dev.query_srq = mthca_query_srq;
- dev->ib_dev.destroy_srq = mthca_destroy_srq;
dev->ib_dev.uverbs_cmd_mask |=
(1ull << IB_USER_VERBS_CMD_CREATE_SRQ) |
(1ull << IB_USER_VERBS_CMD_MODIFY_SRQ) |
@@ -1251,64 +1189,26 @@
(1ull << IB_USER_VERBS_CMD_DESTROY_SRQ);
if (mthca_is_memfree(dev))
- dev->ib_dev.post_srq_recv = mthca_arbel_post_srq_recv;
+ ib_set_device_ops(&dev->ib_dev,
+ &mthca_dev_arbel_srq_ops);
else
- dev->ib_dev.post_srq_recv = mthca_tavor_post_srq_recv;
+ ib_set_device_ops(&dev->ib_dev,
+ &mthca_dev_tavor_srq_ops);
}
- dev->ib_dev.create_qp = mthca_create_qp;
- dev->ib_dev.modify_qp = mthca_modify_qp;
- dev->ib_dev.query_qp = mthca_query_qp;
- dev->ib_dev.destroy_qp = mthca_destroy_qp;
- dev->ib_dev.create_cq = mthca_create_cq;
- dev->ib_dev.resize_cq = mthca_resize_cq;
- dev->ib_dev.destroy_cq = mthca_destroy_cq;
- dev->ib_dev.poll_cq = mthca_poll_cq;
- dev->ib_dev.get_dma_mr = mthca_get_dma_mr;
- dev->ib_dev.reg_user_mr = mthca_reg_user_mr;
- dev->ib_dev.dereg_mr = mthca_dereg_mr;
- dev->ib_dev.get_port_immutable = mthca_port_immutable;
- dev->ib_dev.get_dev_fw_str = get_dev_fw_str;
+ ib_set_device_ops(&dev->ib_dev, &mthca_dev_ops);
- if (dev->mthca_flags & MTHCA_FLAG_FMR) {
- dev->ib_dev.alloc_fmr = mthca_alloc_fmr;
- dev->ib_dev.unmap_fmr = mthca_unmap_fmr;
- dev->ib_dev.dealloc_fmr = mthca_dealloc_fmr;
- if (mthca_is_memfree(dev))
- dev->ib_dev.map_phys_fmr = mthca_arbel_map_phys_fmr;
- else
- dev->ib_dev.map_phys_fmr = mthca_tavor_map_phys_fmr;
- }
-
- dev->ib_dev.attach_mcast = mthca_multicast_attach;
- dev->ib_dev.detach_mcast = mthca_multicast_detach;
- dev->ib_dev.process_mad = mthca_process_mad;
-
- if (mthca_is_memfree(dev)) {
- dev->ib_dev.req_notify_cq = mthca_arbel_arm_cq;
- dev->ib_dev.post_send = mthca_arbel_post_send;
- dev->ib_dev.post_recv = mthca_arbel_post_receive;
- } else {
- dev->ib_dev.req_notify_cq = mthca_tavor_arm_cq;
- dev->ib_dev.post_send = mthca_tavor_post_send;
- dev->ib_dev.post_recv = mthca_tavor_post_receive;
- }
+ if (mthca_is_memfree(dev))
+ ib_set_device_ops(&dev->ib_dev, &mthca_dev_arbel_ops);
+ else
+ ib_set_device_ops(&dev->ib_dev, &mthca_dev_tavor_ops);
mutex_init(&dev->cap_mask_mutex);
- dev->ib_dev.driver_id = RDMA_DRIVER_MTHCA;
- ret = ib_register_device(&dev->ib_dev, NULL);
+ rdma_set_device_sysfs_group(&dev->ib_dev, &mthca_attr_group);
+ ret = ib_register_device(&dev->ib_dev, "mthca%d", &dev->pdev->dev);
if (ret)
return ret;
-
- for (i = 0; i < ARRAY_SIZE(mthca_dev_attributes); ++i) {
- ret = device_create_file(&dev->ib_dev.dev,
- mthca_dev_attributes[i]);
- if (ret) {
- ib_unregister_device(&dev->ib_dev);
- return ret;
- }
- }
mthca_start_catas_poll(dev);
--
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