device.c (0cda4f6986a3824cac500f66326ff267bf37110f) device.c (448c3de8ac8353fc4447738ae3c56c4eb6c2131d)
1// SPDX-License-Identifier: GPL-2.0
2/* Copyright(c) 2019 Intel Corporation. All rights rsvd. */
3#include <linux/init.h>
4#include <linux/kernel.h>
5#include <linux/module.h>
6#include <linux/pci.h>
7#include <linux/io-64-nonatomic-lo-hi.h>
8#include <linux/dmaengine.h>

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1196
1197 rc = idxd_wq_map_portal(wq);
1198 if (rc < 0) {
1199 dev_dbg(dev, "wq %d portal mapping failed: %d\n", wq->id, rc);
1200 goto err_map_portal;
1201 }
1202
1203 wq->client_count = 0;
1// SPDX-License-Identifier: GPL-2.0
2/* Copyright(c) 2019 Intel Corporation. All rights rsvd. */
3#include <linux/init.h>
4#include <linux/kernel.h>
5#include <linux/module.h>
6#include <linux/pci.h>
7#include <linux/io-64-nonatomic-lo-hi.h>
8#include <linux/dmaengine.h>

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1196
1197 rc = idxd_wq_map_portal(wq);
1198 if (rc < 0) {
1199 dev_dbg(dev, "wq %d portal mapping failed: %d\n", wq->id, rc);
1200 goto err_map_portal;
1201 }
1202
1203 wq->client_count = 0;
1204
1205 if (is_idxd_wq_cdev(wq)) {
1206 rc = idxd_wq_add_cdev(wq);
1207 if (rc < 0) {
1208 dev_dbg(dev, "wq %d cdev creation failed\n", wq->id);
1209 goto err_client;
1210 }
1211 }
1212
1213 return 0;
1214
1204 return 0;
1205
1215err_client:
1216 idxd_wq_unmap_portal(wq);
1217err_map_portal:
1218 rc = idxd_wq_disable(wq, false);
1219 if (rc < 0)
1220 dev_dbg(dev, "wq %s disable failed\n", dev_name(wq_confdev(wq)));
1221err:
1222 return rc;
1223}
1224

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1234
1235void __drv_disable_wq(struct idxd_wq *wq)
1236{
1237 struct idxd_device *idxd = wq->idxd;
1238 struct device *dev = &idxd->pdev->dev;
1239
1240 lockdep_assert_held(&wq->wq_lock);
1241
1206err_map_portal:
1207 rc = idxd_wq_disable(wq, false);
1208 if (rc < 0)
1209 dev_dbg(dev, "wq %s disable failed\n", dev_name(wq_confdev(wq)));
1210err:
1211 return rc;
1212}
1213

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1223
1224void __drv_disable_wq(struct idxd_wq *wq)
1225{
1226 struct idxd_device *idxd = wq->idxd;
1227 struct device *dev = &idxd->pdev->dev;
1228
1229 lockdep_assert_held(&wq->wq_lock);
1230
1242 if (is_idxd_wq_cdev(wq))
1243 idxd_wq_del_cdev(wq);
1244
1245 if (idxd_wq_refcount(wq))
1246 dev_warn(dev, "Clients has claim on wq %d: %d\n",
1247 wq->id, idxd_wq_refcount(wq));
1248
1249 idxd_wq_unmap_portal(wq);
1250
1251 idxd_wq_drain(wq);
1252 idxd_wq_reset(wq);

--- 82 unchanged lines hidden --- 		1231 if (idxd_wq_refcount(wq))
1232 dev_warn(dev, "Clients has claim on wq %d: %d\n",
1233 wq->id, idxd_wq_refcount(wq));
1234
1235 idxd_wq_unmap_portal(wq);
1236
1237 idxd_wq_drain(wq);
1238 idxd_wq_reset(wq);

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