debugfs.c (a2e7496b453eaa577425858d6f8b854800ed7343) debugfs.c (d5638de827cff0fce77007e426ec0ffdedf68a44)
1// SPDX-License-Identifier: GPL-2.0
2/* Copyright(c) 2021 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/debugfs.h>
8#include <linux/io-64-nonatomic-lo-hi.h>

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61 union evl_status_reg evl_status;
62 u16 h, t, evl_size, i;
63 int count = 0;
64 bool processed = true;
65
66 if (!evl || !evl->log)
67 return 0;
68
1// SPDX-License-Identifier: GPL-2.0
2/* Copyright(c) 2021 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/debugfs.h>
8#include <linux/io-64-nonatomic-lo-hi.h>

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61 union evl_status_reg evl_status;
62 u16 h, t, evl_size, i;
63 int count = 0;
64 bool processed = true;
65
66 if (!evl || !evl->log)
67 return 0;
68
69 spin_lock(&evl->lock);
69 mutex_lock(&evl->lock);
70
71 evl_status.bits = ioread64(idxd->reg_base + IDXD_EVLSTATUS_OFFSET);
72 t = evl_status.tail;
73 h = evl_status.head;
74 evl_size = evl->size;
75
76 seq_printf(s, "Event Log head %u tail %u interrupt pending %u\n\n",
77 evl_status.head, evl_status.tail, evl_status.int_pending);

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82 if (i == t)
83 break;
84
85 if (processed && i == h)
86 processed = false;
87 dump_event_entry(idxd, s, i, &count, processed);
88 }
89
70
71 evl_status.bits = ioread64(idxd->reg_base + IDXD_EVLSTATUS_OFFSET);
72 t = evl_status.tail;
73 h = evl_status.head;
74 evl_size = evl->size;
75
76 seq_printf(s, "Event Log head %u tail %u interrupt pending %u\n\n",
77 evl_status.head, evl_status.tail, evl_status.int_pending);

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82 if (i == t)
83 break;
84
85 if (processed && i == h)
86 processed = false;
87 dump_event_entry(idxd, s, i, &count, processed);
88 }
89
90 spin_unlock(&evl->lock);
90 mutex_unlock(&evl->lock);
91 return 0;
92}
93
94DEFINE_SHOW_ATTRIBUTE(debugfs_evl);
95
96int idxd_device_init_debugfs(struct idxd_device *idxd)
97{
98 if (IS_ERR_OR_NULL(idxd_debugfs_dir))

--- 40 unchanged lines hidden --- 		91 return 0;
92}
93
94DEFINE_SHOW_ATTRIBUTE(debugfs_evl);
95
96int idxd_device_init_debugfs(struct idxd_device *idxd)
97{
98 if (IS_ERR_OR_NULL(idxd_debugfs_dir))

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