i40e_osdep.c (6d011ad5f677a2d2c99eb1d848089000ea3f463c) i40e_osdep.c (4294f337b02257f24cc0177c5031abea7fdc3d75)
1/******************************************************************************
2
3 Copyright (c) 2013-2015, Intel Corporation
4 All rights reserved.
5
6 Redistribution and use in source and binary forms, with or without
7 modification, are permitted provided that the following conditions are met:
8

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27 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30 POSSIBILITY OF SUCH DAMAGE.
31
32******************************************************************************/
33/*$FreeBSD$*/
34
1/******************************************************************************
2
3 Copyright (c) 2013-2015, Intel Corporation
4 All rights reserved.
5
6 Redistribution and use in source and binary forms, with or without
7 modification, are permitted provided that the following conditions are met:
8

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27 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30 POSSIBILITY OF SUCH DAMAGE.
31
32******************************************************************************/
33/*$FreeBSD$*/
34
35#include <machine/stdarg.h>
35#include <sys/limits.h>
36
37#include "ixl.h"
38
39/********************************************************************
40 * Manage DMA'able memory.
41 *******************************************************************/
42static void
43i40e_dmamap_cb(void *arg, bus_dma_segment_t * segs, int nseg, int error)

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132 bus_dma_tag_destroy(mem->tag);
133 return (0);
134}
135
136void
137i40e_init_spinlock(struct i40e_spinlock *lock)
138{
139 mtx_init(&lock->mutex, "mutex",
36
37#include "ixl.h"
38
39/********************************************************************
40 * Manage DMA'able memory.
41 *******************************************************************/
42static void
43i40e_dmamap_cb(void *arg, bus_dma_segment_t * segs, int nseg, int error)

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132 bus_dma_tag_destroy(mem->tag);
133 return (0);
134}
135
136void
137i40e_init_spinlock(struct i40e_spinlock *lock)
138{
139 mtx_init(&lock->mutex, "mutex",
140 MTX_NETWORK_LOCK, MTX_DEF | MTX_DUPOK);
140 "ixl spinlock", MTX_DEF | MTX_DUPOK);
141}
142
143void
144i40e_acquire_spinlock(struct i40e_spinlock *lock)
145{
146 mtx_lock(&lock->mutex);
147}
148

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154
155void
156i40e_destroy_spinlock(struct i40e_spinlock *lock)
157{
158 if (mtx_initialized(&lock->mutex))
159 mtx_destroy(&lock->mutex);
160}
161
141}
142
143void
144i40e_acquire_spinlock(struct i40e_spinlock *lock)
145{
146 mtx_lock(&lock->mutex);
147}
148

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154
155void
156i40e_destroy_spinlock(struct i40e_spinlock *lock)
157{
158 if (mtx_initialized(&lock->mutex))
159 mtx_destroy(&lock->mutex);
160}
161
162void
163i40e_msec_pause(int msecs)
164{
165 int ticks_to_pause = (msecs * hz) / 1000;
166 int start_ticks = ticks;
167
168 if (cold || SCHEDULER_STOPPED()) {
169 i40e_msec_delay(msecs);
170 return;
171 }
172
173 while (1) {
174 kern_yield(PRI_USER);
175 int yielded_ticks = ticks - start_ticks;
176 if (yielded_ticks > ticks_to_pause)
177 break;
178 else if (yielded_ticks < 0
179 && (yielded_ticks + INT_MAX + 1 > ticks_to_pause)) {
180 break;
181 }
182 }
183}
184
162/*
163 * Helper function for debug statement printing
164 */
165void
185/*
186 * Helper function for debug statement printing
187 */
188void
166i40e_debug_d(struct i40e_hw *hw, enum i40e_debug_mask mask, char *fmt, ...)
189i40e_debug_shared(struct i40e_hw *hw, enum i40e_debug_mask mask, char *fmt, ...)
167{
168 va_list args;
169
170 if (!(mask & ((struct i40e_hw *)hw)->debug_mask))
171 return;
172
173 va_start(args, fmt);
174 device_printf(((struct i40e_osdep *)hw->back)->dev, fmt, args);

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191 va_list args;
192
193 if (!(mask & ((struct i40e_hw *)hw)->debug_mask))
194 return;
195
196 va_start(args, fmt);
197 device_printf(((struct i40e_osdep *)hw->back)->dev, fmt, args);

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