From f70575805708cabdedea7498aaa3f710fde4d920 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 31 Jan 2024 03:29:01 +0000
Subject: [PATCH] add lvds1024*800
---
kernel/drivers/infiniband/hw/vmw_pvrdma/pvrdma_cq.c | 72 ++++++++++++++---------------------
1 files changed, 29 insertions(+), 43 deletions(-)
diff --git a/kernel/drivers/infiniband/hw/vmw_pvrdma/pvrdma_cq.c b/kernel/drivers/infiniband/hw/vmw_pvrdma/pvrdma_cq.c
index 0f004c7..62164db 100644
--- a/kernel/drivers/infiniband/hw/vmw_pvrdma/pvrdma_cq.c
+++ b/kernel/drivers/infiniband/hw/vmw_pvrdma/pvrdma_cq.c
@@ -49,6 +49,7 @@
#include <rdma/ib_addr.h>
#include <rdma/ib_smi.h>
#include <rdma/ib_user_verbs.h>
+#include <rdma/uverbs_ioctl.h>
#include "pvrdma.h"
@@ -91,22 +92,19 @@
/**
* pvrdma_create_cq - create completion queue
- * @ibdev: the device
+ * @ibcq: Allocated CQ
* @attr: completion queue attributes
- * @context: user context
* @udata: user data
*
- * @return: ib_cq completion queue pointer on success,
- * otherwise returns negative errno.
+ * @return: 0 on success
*/
-struct ib_cq *pvrdma_create_cq(struct ib_device *ibdev,
- const struct ib_cq_init_attr *attr,
- struct ib_ucontext *context,
- struct ib_udata *udata)
+int pvrdma_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 pvrdma_dev *dev = to_vdev(ibdev);
- struct pvrdma_cq *cq;
+ struct pvrdma_cq *cq = to_vcq(ibcq);
int ret;
int npages;
unsigned long flags;
@@ -114,26 +112,22 @@
union pvrdma_cmd_resp rsp;
struct pvrdma_cmd_create_cq *cmd = &req.create_cq;
struct pvrdma_cmd_create_cq_resp *resp = &rsp.create_cq_resp;
- struct pvrdma_create_cq_resp cq_resp = {0};
+ struct pvrdma_create_cq_resp cq_resp = {};
struct pvrdma_create_cq ucmd;
+ struct pvrdma_ucontext *context = rdma_udata_to_drv_context(
+ udata, struct pvrdma_ucontext, ibucontext);
BUILD_BUG_ON(sizeof(struct pvrdma_cqe) != 64);
entries = roundup_pow_of_two(entries);
if (entries < 1 || entries > dev->dsr->caps.max_cqe)
- return ERR_PTR(-EINVAL);
+ return -EINVAL;
if (!atomic_add_unless(&dev->num_cqs, 1, dev->dsr->caps.max_cq))
- return ERR_PTR(-ENOMEM);
-
- cq = kzalloc(sizeof(*cq), GFP_KERNEL);
- if (!cq) {
- atomic_dec(&dev->num_cqs);
- return ERR_PTR(-ENOMEM);
- }
+ return -ENOMEM;
cq->ibcq.cqe = entries;
- cq->is_kernel = !context;
+ cq->is_kernel = !udata;
if (!cq->is_kernel) {
if (ib_copy_from_udata(&ucmd, udata, sizeof(ucmd))) {
@@ -141,14 +135,14 @@
goto err_cq;
}
- cq->umem = ib_umem_get(context, ucmd.buf_addr, ucmd.buf_size,
- IB_ACCESS_LOCAL_WRITE, 1);
+ cq->umem = ib_umem_get(ibdev, ucmd.buf_addr, ucmd.buf_size,
+ IB_ACCESS_LOCAL_WRITE);
if (IS_ERR(cq->umem)) {
ret = PTR_ERR(cq->umem);
goto err_cq;
}
- npages = ib_umem_page_count(cq->umem);
+ npages = ib_umem_num_dma_blocks(cq->umem, PAGE_SIZE);
} else {
/* One extra page for shared ring state */
npages = 1 + (entries * sizeof(struct pvrdma_cqe) +
@@ -185,8 +179,7 @@
memset(cmd, 0, sizeof(*cmd));
cmd->hdr.cmd = PVRDMA_CMD_CREATE_CQ;
cmd->nchunks = npages;
- cmd->ctx_handle = (context) ?
- (u64)to_vucontext(context)->ctx_handle : 0;
+ cmd->ctx_handle = context ? context->ctx_handle : 0;
cmd->cqe = entries;
cmd->pdir_dma = cq->pdir.dir_dma;
ret = pvrdma_cmd_post(dev, &req, &rsp, PVRDMA_CMD_CREATE_CQ_RESP);
@@ -204,29 +197,26 @@
spin_unlock_irqrestore(&dev->cq_tbl_lock, flags);
if (!cq->is_kernel) {
- cq->uar = &(to_vucontext(context)->uar);
+ cq->uar = &context->uar;
/* Copy udata back. */
if (ib_copy_to_udata(udata, &cq_resp, sizeof(cq_resp))) {
dev_warn(&dev->pdev->dev,
"failed to copy back udata\n");
- pvrdma_destroy_cq(&cq->ibcq);
- return ERR_PTR(-EINVAL);
+ pvrdma_destroy_cq(&cq->ibcq, udata);
+ return -EINVAL;
}
}
- return &cq->ibcq;
+ return 0;
err_page_dir:
pvrdma_page_dir_cleanup(dev, &cq->pdir);
err_umem:
- if (!cq->is_kernel)
- ib_umem_release(cq->umem);
+ ib_umem_release(cq->umem);
err_cq:
atomic_dec(&dev->num_cqs);
- kfree(cq);
-
- return ERR_PTR(ret);
+ return ret;
}
static void pvrdma_free_cq(struct pvrdma_dev *dev, struct pvrdma_cq *cq)
@@ -235,20 +225,17 @@
complete(&cq->free);
wait_for_completion(&cq->free);
- if (!cq->is_kernel)
- ib_umem_release(cq->umem);
+ ib_umem_release(cq->umem);
pvrdma_page_dir_cleanup(dev, &cq->pdir);
- kfree(cq);
}
/**
* pvrdma_destroy_cq - destroy completion queue
* @cq: the completion queue to destroy.
- *
- * @return: 0 for success.
+ * @udata: user data or null for kernel object
*/
-int pvrdma_destroy_cq(struct ib_cq *cq)
+int pvrdma_destroy_cq(struct ib_cq *cq, struct ib_udata *udata)
{
struct pvrdma_cq *vcq = to_vcq(cq);
union pvrdma_cmd_req req;
@@ -274,8 +261,7 @@
pvrdma_free_cq(dev, vcq);
atomic_dec(&dev->num_cqs);
-
- return ret;
+ return 0;
}
static inline struct pvrdma_cqe *get_cqe(struct pvrdma_cq *cq, int i)
@@ -378,7 +364,7 @@
wc->dlid_path_bits = cqe->dlid_path_bits;
wc->port_num = cqe->port_num;
wc->vendor_err = cqe->vendor_err;
- wc->network_hdr_type = cqe->network_hdr_type;
+ wc->network_hdr_type = pvrdma_network_type_to_ib(cqe->network_hdr_type);
/* Update shared ring state */
pvrdma_idx_ring_inc(&cq->ring_state->rx.cons_head, cq->ibcq.cqe);
@@ -390,7 +376,7 @@
* pvrdma_poll_cq - poll for work completion queue entries
* @ibcq: completion queue
* @num_entries: the maximum number of entries
- * @entry: pointer to work completion array
+ * @wc: pointer to work completion array
*
* @return: number of polled completion entries
*/
--
Gitblit v1.6.2