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/linux/drivers/gpu/drm/i915/display/
A Dintel_frontbuffer.c211 kref_get(&front->ref); in frontbuffer_active()
247 kfree_rcu(front, rcu); in frontbuffer_release()
257 if (front) in intel_frontbuffer_get()
258 return front; in intel_frontbuffer_get()
260 front = kmalloc(sizeof(*front), GFP_KERNEL); in intel_frontbuffer_get()
261 if (!front) in intel_frontbuffer_get()
264 front->obj = obj; in intel_frontbuffer_get()
265 kref_init(&front->ref); in intel_frontbuffer_get()
274 kfree(front); in intel_frontbuffer_get()
276 kref_get(&front->ref); in intel_frontbuffer_get()
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A Dintel_frontbuffer.h63 struct intel_frontbuffer *front; in __intel_frontbuffer_get() local
70 front = rcu_dereference(obj->frontbuffer); in __intel_frontbuffer_get()
71 if (!front) in __intel_frontbuffer_get()
74 if (unlikely(!kref_get_unless_zero(&front->ref))) in __intel_frontbuffer_get()
80 intel_frontbuffer_put(front); in __intel_frontbuffer_get()
84 return front; in __intel_frontbuffer_get()
110 if (!front) in intel_frontbuffer_invalidate()
113 frontbuffer_bits = atomic_read(&front->bits); in intel_frontbuffer_invalidate()
138 if (!front) in intel_frontbuffer_flush()
141 frontbuffer_bits = atomic_read(&front->bits); in intel_frontbuffer_flush()
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/linux/drivers/net/ethernet/netronome/nfp/crypto/
A Dtls.c162 struct nfp_crypto_req_add_front *front) in nfp_net_tls_assign_conn_id() argument
170 memcpy(front->l3_addrs, &id, sizeof(id)); in nfp_net_tls_assign_conn_id()
180 req->front.key_len += sizeof(__be32) * 2; in nfp_net_tls_set_ipv4()
183 nfp_net_tls_assign_conn_id(nn, &req->front); in nfp_net_tls_set_ipv4()
202 nfp_net_tls_assign_conn_id(nn, &req->front); in nfp_net_tls_set_ipv6()
219 front->l4_proto = IPPROTO_TCP; in nfp_net_tls_set_l4()
271 struct nfp_crypto_req_add_front *front; in nfp_net_tls_add() local
318 front = (void *)skb->data; in nfp_net_tls_add()
319 front->ep_id = 0; in nfp_net_tls_add()
320 front->key_len = NFP_NET_TLS_NON_ADDR_KEY_LEN; in nfp_net_tls_add()
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A Dfw.h58 struct nfp_crypto_req_add_front front; member
65 struct nfp_crypto_req_add_front front; member
/linux/Documentation/sound/designs/
A Dchannel-mapping-api.rst18 ``{ front left, front right, rear left, rear right }.``
89 SNDRV_CHMAP_FL, /* front left */
90 SNDRV_CHMAP_FR, /* front right */
93 SNDRV_CHMAP_FC, /* front center */
103 SNDRV_CHMAP_FLW, /* front left wide */
104 SNDRV_CHMAP_FRW, /* front right wide */
105 SNDRV_CHMAP_FLH, /* front left high */
107 SNDRV_CHMAP_FRH, /* front right high */
109 SNDRV_CHMAP_TFL, /* top front left */
110 SNDRV_CHMAP_TFR, /* top front right */
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/linux/arch/arm/boot/dts/
A Daspeed-bmc-inspur-fp5280g2.dts163 front-memory {
164 label = "front-memory";
168 front-syshot {
169 label = "front-syshot";
173 front-syshealth {
174 label = "front-syshealth";
178 front-fan {
179 label = "front-fan";
183 front-psu {
184 label = "front-psu";
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A Daspeed-bmc-inspur-nf5280m6.dts51 front-fan {
52 label = "front-fan";
56 front-psu {
57 label = "front-psu";
61 front-syshot {
62 label = "front-syshot";
66 front-memory {
67 label = "front-memory";
A Darmada-385-clearfog-gtr.dtsi25 front panel and PSE controller
44 41 - CON1 front panel connector
45 42 - Front LED1, or front panel CON1
48 45 - TPM PIRQ signal, or front panel CON1
54 52 - Front LED2, or front panel
131 i2c@11000 { /* ROM, temp sensor and front panel */
187 cf_gtr_front_button_pins: cf-gtr-front-button-pins {
/linux/drivers/gpu/drm/udl/
A Dudl_transfer.c40 const unsigned long *front = (const unsigned long *) *bfront;
47 if (back[j] != front[j]) {
54 if (back[k] != front[k]) {
61 *bfront = (u8 *) &front[start];
213 const char *front, char **urb_buf_ptr, in udl_render_hline() argument
225 line_start = (u8 *) (front + byte_offset); in udl_render_hline()
/linux/drivers/md/bcache/
A Dutil.h116 size_t front, back, size, mask; \
121 for (iter = (fifo)->front; \
134 (fifo)->front = (fifo)->back = 0; \
160 #define fifo_used(fifo) (((fifo)->back - (fifo)->front) & (fifo)->mask)
166 #define fifo_front(fifo) ((fifo)->data[(fifo)->front])
186 (i) = (fifo)->data[(fifo)->front++]; \
187 (fifo)->front &= (fifo)->mask; \
196 --(fifo)->front; \
197 (fifo)->front &= (fifo)->mask; \
198 (fifo)->data[(fifo)->front] = (i); \
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/linux/Documentation/admin-guide/
A Dpstore-blk.rst78 The chunk size in KB for oops/panic front-end. It **MUST** be a multiple of 4.
81 There are multiple chunks for oops/panic front-end depending on the remaining
82 space except other pstore front-ends.
90 The chunk size in KB for pmsg front-end. It **MUST** be a multiple of 4.
93 Unlike oops/panic front-end, there is only one chunk for pmsg front-end.
102 The chunk size in KB for console front-end. It **MUST** be a multiple of 4.
105 Similar to pmsg front-end, there is only one chunk for console front-end.
113 The chunk size in KB for ftrace front-end. It **MUST** be a multiple of 4.
116 Similar to oops front-end, there are multiple chunks for ftrace front-end
186 files is ``dmesg-pstore-blk-[N]`` for oops/panic front-end,
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/linux/drivers/gpu/drm/i915/gem/
A Di915_gem_object.c393 struct intel_frontbuffer *front; in __i915_gem_object_flush_frontbuffer() local
395 front = __intel_frontbuffer_get(obj); in __i915_gem_object_flush_frontbuffer()
396 if (front) { in __i915_gem_object_flush_frontbuffer()
397 intel_frontbuffer_flush(front, origin); in __i915_gem_object_flush_frontbuffer()
398 intel_frontbuffer_put(front); in __i915_gem_object_flush_frontbuffer()
405 struct intel_frontbuffer *front; in __i915_gem_object_invalidate_frontbuffer() local
407 front = __intel_frontbuffer_get(obj); in __i915_gem_object_invalidate_frontbuffer()
408 if (front) { in __i915_gem_object_invalidate_frontbuffer()
409 intel_frontbuffer_invalidate(front, origin); in __i915_gem_object_invalidate_frontbuffer()
410 intel_frontbuffer_put(front); in __i915_gem_object_invalidate_frontbuffer()
/linux/net/ceph/
A Dmon_client.c178 monc->m_auth->front.iov_len = len; in __send_prepared_auth_request()
273 monc->m_auth->front.iov_base, in __open_session()
335 void *p = msg->front.iov_base; in __send_subscribe()
376 msg->front.iov_len = p - msg->front.iov_base; in __send_subscribe()
549 p = msg->front.iov_base; in ceph_monc_handle_map()
550 end = p + msg->front.iov_len; in ceph_monc_handle_map()
799 h = req->request->front.iov_base; in ceph_monc_do_statfs()
821 void *p = msg->front.iov_base; in handle_get_version_reply()
943 void *p = msg->front.iov_base; in handle_command_ack()
996 h = req->request->front.iov_base; in do_mon_command_vargs()
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/linux/Documentation/block/
A Ddeadline-iosched.rst62 request, or it fits at the front. That is called either a back merge candidate
63 or a front merge candidate. Due to the way files are typically laid out,
64 back merges are much more common than front merges. For some work loads, you
66 front merge requests. Setting front_merges to 0 disables this functionality.
69 rbtree front sector lookup when the io scheduler merge function is called.
/linux/Documentation/sound/cards/
A Daudigy-mixer.rst49 This control is used to attenuate samples for left and right front PCM FX-bus
50 accumulators. ALSA uses accumulators 8 and 9 for left and right front PCM
104 the front DAC PCM slots of the Philips DAC. Samples are forwarded to Mic
117 forwarded to the front DAC PCM slots of the Philips DAC.
128 digital input. The result samples are forwarded to the front DAC PCM slots
140 inputs (on the AudigyDrive). The result samples are forwarded to the front
152 inputs from Philips ADC. The result samples are forwarded to the front
165 inputs (on the AudigyDrive). The result samples are forwarded to the front
198 This control turns the tone control on or off. The samples for front, rear
215 This control is used to attenuate samples for front, surround, center and
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A Dsb-live-mixer.rst66 The result samples are forwarded to the front DAC PCM slots of the AC97 codec.
100 The result samples are forwarded to the front DAC PCM slots of the AC97 codec.
137 This control is used to attenuate samples for left and right front ADC PCM slots
138 of the AC97 codec. The result samples are forwarded to the front DAC PCM
160 forwarded to the front DAC PCM slots of the AC97 codec.
172 forwarded to the front DAC PCM slots of the AC97 codec.
183 digital input. The result samples are forwarded to the front DAC PCM slots
195 digital inputs. The result samples are forwarded to the front DAC PCM slots
207 inputs (on the LiveDrive). The result samples are forwarded to the front
218 This control turns the tone control on or off. The samples for front, rear
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/linux/fs/ceph/
A Dmds_client.c1183 h = msg->front.iov_base; in ceph_create_session_msg()
1314 p = msg->front.iov_base; in create_session_open_msg()
1363 msg->front.iov_len = p - msg->front.iov_base; in create_session_open_msg()
2031 head = msg->front.iov_base; in ceph_send_cap_releases()
2034 item = msg->front.iov_base + msg->front.iov_len; in ceph_send_cap_releases()
2045 cap_barrier = msg->front.iov_base + msg->front.iov_len; in ceph_send_cap_releases()
2065 cap_barrier = msg->front.iov_base + msg->front.iov_len; in ceph_send_cap_releases()
2505 head = msg->front.iov_base; in create_request_message()
2516 end = msg->front.iov_base + msg->front.iov_len; in create_request_message()
2569 msg->front.iov_len = p - msg->front.iov_base; in create_request_message()
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/linux/Documentation/driver-api/media/
A Ddtv-demux.rst20 Each demux receives its TS input from a DVB front-end or from memory, as
21 set via this demux kABI. In a system with more than one front-end, the kABI
22 can be used to select one of the DVB front-ends as a TS source for a demux,
25 The demux kABI only controls front-ends regarding to their connections with
26 demuxes; the kABI used to set the other front-end parameters, such as
/linux/Documentation/userspace-api/media/dvb/
A Dfrontend_f_open.rst57 In a system with multiple front-ends, it is usually the case that
59 long as a front-end device is opened in read/write mode, other open()
61 non-blocking or blocking mode was specified. A front-end device opened
67 powered up, and that other front-ends may have been powered down to make
A Dfrontend_f_close.rst33 This system call closes a previously opened front-end device. After
34 closing a front-end device, its corresponding hardware might be powered
/linux/drivers/media/platform/sti/c8sectpfe/
A DKconfig17 This adds support for DVB front-end cards connected
23 Supported DVB front-end cards are:
/linux/drivers/xen/
A DMakefile34 obj-$(CONFIG_XEN_PVCALLS_FRONTEND) += pvcalls-front.o
40 obj-$(CONFIG_XEN_FRONT_PGDIR_SHBUF) += xen-front-pgdir-shbuf.o
/linux/Documentation/sound/hd-audio/
A Dmodels.rst12 5-jack in back, 2-jack in front
14 5-jack in back, 2-jack in front, a SPDIF out
16 6-jack in back, 2-jack in front
348 no-front-hp
349 Disable front HP pin NID 0x1b
414 3-jack in back, 2-jack in front
416 6-jack in back, 2-jack in front
418 6-jack in back, 2-jack in front, SPDIF I/O
420 5-jack in back, 2-jack in front, SPDIF out
429 3-stack with automute front HP (default)
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/linux/Documentation/devicetree/bindings/media/
A Dvideo-interface-devices.yaml41 observed from the front is:
94 pixel array, seen from the front of the camera sensor, as follows:
393 # Front. The device is mounted on the front facing side of the system. For
394 # mobile devices such as smartphones, tablets and laptops the front side
398 # defined as the opposite side of the front facing one.
/linux/Documentation/devicetree/bindings/leds/
A Dcznic,turris-omnia-leds.yaml13 This module adds support for the RGB LEDs found on the front panel of the
47 This property identifies one of the LEDs on the front panel of the

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