| /kernel/linux/linux-5.10/drivers/md/ |
| D | dm-bio-prison-v1.c | 8 #include "dm-bio-prison-v1.h"
9 #include "dm-bio-prison-v2.h"
16 /*----------------------------------------------------------------*/
28 /*----------------------------------------------------------------*/
42 spin_lock_init(&prison->lock); in dm_bio_prison_create()
44 ret = mempool_init_slab_pool(&prison->cell_pool, MIN_CELLS, _cell_cache); in dm_bio_prison_create()
50 prison->cells = RB_ROOT; in dm_bio_prison_create()
58 mempool_exit(&prison->cell_pool); in dm_bio_prison_destroy()
65 return mempool_alloc(&prison->cell_pool, gfp); in dm_bio_prison_alloc_cell()
70 struct dm_bio_prison_cell *cell) in dm_bio_prison_free_cell() argument
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| D | dm-bio-prison-v2.h | 2 * Copyright (C) 2011-2017 Red Hat, Inc.
10 #include "persistent-data/dm-block-manager.h" /* FIXME: for dm_block_t */
11 #include "dm-thin-metadata.h" /* FIXME: for dm_thin_id */
17 /*----------------------------------------------------------------*/
24 * where they can't cause any mischief. Bios are put in a cell identified
25 * by a key, multiple bios can be in the same cell. When the cell is
61 * Eventually all bio prison clients should manage their own cell memory.
69 struct dm_bio_prison_cell_v2 *cell);
75 * call dm_cell_put_v2() to drop the reference count when finished using it.
78 * cell, and later given to the holder of the exclusive lock.
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| D | dm-thin.c | 2 * Copyright (C) 2011-2012 Red Hat UK.
7 #include "dm-thin-metadata.h"
8 #include "dm-bio-prison-v1.h"
11 #include <linux/device-mapper.h>
12 #include <linux/dm-io.h>
13 #include <linux/dm-kcopyd.h>
50 #define MAX_DEV_ID ((1 << 24) - 1)
56 * We use a standard copy-on-write btree to store the mappings for the
57 * devices (note I'm talking about copy-on-write of the metadata here, not
94 * - The origin mapping will point to the old origin block (the shared
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| /kernel/linux/linux-6.6/drivers/md/ |
| D | dm-bio-prison-v1.c | 1 // SPDX-License-Identifier: GPL-2.0-only
9 #include "dm-bio-prison-v1.h"
10 #include "dm-bio-prison-v2.h"
17 /*----------------------------------------------------------------*/
23 struct rb_root cell; member
34 /*----------------------------------------------------------------*/
50 prison->num_locks = num_locks; in dm_bio_prison_create()
52 for (i = 0; i < prison->num_locks; i++) { in dm_bio_prison_create()
53 spin_lock_init(&prison->regions[i].lock); in dm_bio_prison_create()
54 prison->regions[i].cell = RB_ROOT; in dm_bio_prison_create()
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| D | dm-bio-prison-v2.h | 1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * Copyright (C) 2011-2017 Red Hat, Inc.
11 #include "persistent-data/dm-block-manager.h" /* FIXME: for dm_block_t */
12 #include "dm-thin-metadata.h" /* FIXME: for dm_thin_id */
18 /*----------------------------------------------------------------*/
25 * where they can't cause any mischief. Bios are put in a cell identified
26 * by a key, multiple bios can be in the same cell. When the cell is
62 * Eventually all bio prison clients should manage their own cell memory.
70 struct dm_bio_prison_cell_v2 *cell);
76 * call dm_cell_put_v2() to drop the reference count when finished using it.
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| D | dm-thin.c | 1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (C) 2011-2012 Red Hat UK.
8 #include "dm-thin-metadata.h"
9 #include "dm-bio-prison-v1.h"
12 #include <linux/device-mapper.h>
13 #include <linux/dm-io.h>
14 #include <linux/dm-kcopyd.h>
51 #define MAX_DEV_ID ((1 << 24) - 1)
57 * We use a standard copy-on-write btree to store the mappings for the
58 * devices (note I'm talking about copy-on-write of the metadata here, not
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| /kernel/linux/linux-5.10/drivers/nvmem/ |
| D | core.c | 1 // SPDX-License-Identifier: GPL-2.0
6 * Copyright (C) 2013 Maxime Ripard <maxime.ripard@free-electrons.com>
16 #include <linux/nvmem-consumer.h>
17 #include <linux/nvmem-provider.h>
72 if (nvmem->reg_read) in nvmem_reg_read()
73 return nvmem->reg_read(nvmem->priv, offset, val, bytes); in nvmem_reg_read()
75 return -EINVAL; in nvmem_reg_read()
83 if (nvmem->reg_write) { in nvmem_reg_write()
84 gpiod_set_value_cansleep(nvmem->wp_gpio, 0); in nvmem_reg_write()
85 ret = nvmem->reg_write(nvmem->priv, offset, val, bytes); in nvmem_reg_write()
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| /kernel/linux/linux-6.6/drivers/nvmem/ |
| D | core.c | 1 // SPDX-License-Identifier: GPL-2.0
6 * Copyright (C) 2013 Maxime Ripard <maxime.ripard@free-electrons.com>
16 #include <linux/nvmem-consumer.h>
17 #include <linux/nvmem-provider.h>
64 if (nvmem->reg_read) in __nvmem_reg_read()
65 return nvmem->reg_read(nvmem->priv, offset, val, bytes); in __nvmem_reg_read()
67 return -EINVAL; in __nvmem_reg_read()
75 if (nvmem->reg_write) { in __nvmem_reg_write()
76 gpiod_set_value_cansleep(nvmem->wp_gpio, 0); in __nvmem_reg_write()
77 ret = nvmem->reg_write(nvmem->priv, offset, val, bytes); in __nvmem_reg_write()
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| /kernel/linux/linux-6.6/sound/core/seq/ |
| D | seq_memory.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
24 return pool->total_elements - atomic_read(&pool->counter); in snd_seq_pool_available()
29 return snd_seq_pool_available(pool) >= pool->room; in snd_seq_output_ok()
49 * ext.data.ptr = the additiona cell head
50 * -> cell.next -> cell.next -> ..
60 if ((event->flags & SNDRV_SEQ_EVENT_LENGTH_MASK) != SNDRV_SEQ_EVENT_LENGTH_VARIABLE) in get_var_len()
61 return -EINVAL; in get_var_len()
63 return event->data.ext.len & ~SNDRV_SEQ_EXT_MASK; in get_var_len()
71 struct snd_seq_event_cell *cell; in dump_var_event() local
81 if (event->data.ext.len & SNDRV_SEQ_EXT_USRPTR) { in dump_var_event()
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| D | seq_prioq.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
4 * Copyright (c) 1998-1999 by Frank van de Pol <fvdpol@coil.demon.nl>
20 * +-------+
21 * Head --> | first |
22 * +-------+
24 * +-----v-+
26 * +-------+
28 * +-----v-+
30 * +-------+
32 * +-----v-+
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| /kernel/linux/linux-6.6/fs/afs/ |
| D | callback.c | 26 * ->fault() or ->page_mkwrite() - at which point we can handle invalidation
33 unmap_mapping_pages(vnode->netfs.inode.i_mapping, 0, 0, false); in afs_invalidate_mmap_work()
40 struct afs_cell *cell = server->cell; in afs_server_init_callback_work() local
42 down_read(&cell->fs_open_mmaps_lock); in afs_server_init_callback_work()
44 list_for_each_entry(vnode, &cell->fs_open_mmaps, cb_mmap_link) { in afs_server_init_callback_work()
45 if (vnode->cb_server == server) { in afs_server_init_callback_work()
46 clear_bit(AFS_VNODE_CB_PROMISED, &vnode->flags); in afs_server_init_callback_work()
47 queue_work(system_unbound_wq, &vnode->cb_work); in afs_server_init_callback_work()
51 up_read(&cell->fs_open_mmaps_lock); in afs_server_init_callback_work()
55 * Allow the fileserver to request callback state (re-)initialisation.
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| D | vl_rotate.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
17 bool afs_begin_vlserver_operation(struct afs_vl_cursor *vc, struct afs_cell *cell, in afs_begin_vlserver_operation() argument
21 vc->cell = cell; in afs_begin_vlserver_operation()
22 vc->key = key; in afs_begin_vlserver_operation()
23 vc->error = -EDESTADDRREQ; in afs_begin_vlserver_operation()
24 vc->ac.error = SHRT_MAX; in afs_begin_vlserver_operation()
27 vc->error = -EINTR; in afs_begin_vlserver_operation()
28 vc->flags |= AFS_VL_CURSOR_STOP; in afs_begin_vlserver_operation()
41 struct afs_cell *cell = vc->cell; in afs_start_vl_iteration() local
44 if (cell->dns_source == DNS_RECORD_UNAVAILABLE || in afs_start_vl_iteration()
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| /kernel/linux/linux-5.10/sound/core/seq/ |
| D | seq_prioq.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
4 * Copyright (c) 1998-1999 by Frank van de Pol <fvdpol@coil.demon.nl>
20 * +-------+
21 * Head --> | first |
22 * +-------+
24 * +-----v-+
26 * +-------+
28 * +-----v-+
30 * +-------+
32 * +-----v-+
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| D | seq_memory.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
24 return pool->total_elements - atomic_read(&pool->counter); in snd_seq_pool_available()
29 return snd_seq_pool_available(pool) >= pool->room; in snd_seq_output_ok()
49 * ext.data.ptr = the additiona cell head
50 * -> cell.next -> cell.next -> ..
60 if ((event->flags & SNDRV_SEQ_EVENT_LENGTH_MASK) != SNDRV_SEQ_EVENT_LENGTH_VARIABLE) in get_var_len()
61 return -EINVAL; in get_var_len()
63 return event->data.ext.len & ~SNDRV_SEQ_EXT_MASK; in get_var_len()
70 struct snd_seq_event_cell *cell; in snd_seq_dump_var_event() local
75 if (event->data.ext.len & SNDRV_SEQ_EXT_USRPTR) { in snd_seq_dump_var_event()
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| /kernel/linux/linux-5.10/fs/afs/ |
| D | vl_rotate.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
17 bool afs_begin_vlserver_operation(struct afs_vl_cursor *vc, struct afs_cell *cell, in afs_begin_vlserver_operation() argument
21 vc->cell = cell; in afs_begin_vlserver_operation()
22 vc->key = key; in afs_begin_vlserver_operation()
23 vc->error = -EDESTADDRREQ; in afs_begin_vlserver_operation()
24 vc->ac.error = SHRT_MAX; in afs_begin_vlserver_operation()
27 vc->error = -EINTR; in afs_begin_vlserver_operation()
28 vc->flags |= AFS_VL_CURSOR_STOP; in afs_begin_vlserver_operation()
41 struct afs_cell *cell = vc->cell; in afs_start_vl_iteration() local
44 if (cell->dns_source == DNS_RECORD_UNAVAILABLE || in afs_start_vl_iteration()
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| D | callback.c | 24 * Allow the fileserver to request callback state (re-)initialisation.
31 server->cb_s_break++; in afs_init_callback_state()
32 server = rcu_dereference(server->uuid_next); in afs_init_callback_state()
44 clear_bit(AFS_VNODE_NEW_CONTENT, &vnode->flags); in __afs_break_callback()
45 if (test_and_clear_bit(AFS_VNODE_CB_PROMISED, &vnode->flags)) { in __afs_break_callback()
46 vnode->cb_break++; in __afs_break_callback()
49 if (vnode->lock_state == AFS_VNODE_LOCK_WAITING_FOR_CB) in __afs_break_callback()
52 trace_afs_cb_break(&vnode->fid, vnode->cb_break, reason, true); in __afs_break_callback()
54 trace_afs_cb_break(&vnode->fid, vnode->cb_break, reason, false); in __afs_break_callback()
60 write_seqlock(&vnode->cb_lock); in afs_break_callback()
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| /kernel/linux/linux-5.10/drivers/bus/ |
| D | hisi_lpc.c | 1 // SPDX-License-Identifier: GPL-2.0+
22 #define DRV_NAME "hisi-lpc"
50 #define LPC_REG_OP_LEN 0x10 /* LPC cycles count per start */
84 return (status & LPC_REG_OP_STATUS_FINISHED) ? 0 : -EIO; in wait_lpc_idle()
86 } while (--waitcnt); in wait_lpc_idle()
88 return -ETIME; in wait_lpc_idle()
92 * hisi_lpc_target_in - trigger a series of LPC cycles for read operation
99 * Returns 0 on success, non-zero on fail.
110 if (!buf || !opcnt || !para || !para->csize || !lpcdev) in hisi_lpc_target_in()
111 return -EINVAL; in hisi_lpc_target_in()
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| /kernel/linux/linux-6.6/drivers/atm/ |
| D | iphase.h | 29 Complete the ABR logic of the driver, and added the ABR work-
32 Add the flow control logic to the driver to allow rate-limit VC.
127 #define ATM_DESC(skb) (skb->protocol)
128 #define IA_SKB_STATE(skb) (skb->protocol)
177 #define NRMCODE 5 /* 0 - 7 */
178 #define TRMCODE 3 /* 0 - 7 */
180 #define ATDFCODE 2 /* 0 - 15 */
182 /*---------------------- Packet/Cell Memory ------------------------*/
183 #define TX_PACKET_RAM 0x00000 /* start of Trasnmit Packet memory - 0 */
186 - descriptor 0 unused */
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| D | nicstar.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
56 #define NUM_HB 8 /* Pre-allocated huge buffers */
59 /* Lower level for count of buffers */
65 /* Upper level for count of buffers */
107 #define NS_MAX_IOVECS (2 + (65568 - NS_SMBUFSIZE) / \
108 (NS_LGBUFSIZE - (NS_LGBUFSIZE % 48)))
111 #define NS_SMBUFSIZE_USABLE (NS_SMBUFSIZE - NS_SMBUFSIZE % 48)
112 #define NS_LGBUFSIZE_USABLE (NS_LGBUFSIZE - NS_LGBUFSIZE % 48)
114 #define NS_AAL0_HEADER (ATM_AAL0_SDU - ATM_CELL_PAYLOAD) /* 4 bytes */
122 * RSQ - Receive Status Queue
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| /kernel/linux/linux-5.10/drivers/atm/ |
| D | iphase.h | 29 Complete the ABR logic of the driver, and added the ABR work-
32 Add the flow control logic to the driver to allow rate-limit VC.
128 #define ATM_DESC(skb) (skb->protocol)
129 #define IA_SKB_STATE(skb) (skb->protocol)
178 #define NRMCODE 5 /* 0 - 7 */
179 #define TRMCODE 3 /* 0 - 7 */
181 #define ATDFCODE 2 /* 0 - 15 */
183 /*---------------------- Packet/Cell Memory ------------------------*/
184 #define TX_PACKET_RAM 0x00000 /* start of Trasnmit Packet memory - 0 */
187 - descriptor 0 unused */
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| D | nicstar.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
56 #define NUM_HB 8 /* Pre-allocated huge buffers */
59 /* Lower level for count of buffers */
65 /* Upper level for count of buffers */
107 #define NS_MAX_IOVECS (2 + (65568 - NS_SMBUFSIZE) / \
108 (NS_LGBUFSIZE - (NS_LGBUFSIZE % 48)))
111 #define NS_SMBUFSIZE_USABLE (NS_SMBUFSIZE - NS_SMBUFSIZE % 48)
112 #define NS_LGBUFSIZE_USABLE (NS_LGBUFSIZE - NS_LGBUFSIZE % 48)
114 #define NS_AAL0_HEADER (ATM_AAL0_SDU - ATM_CELL_PAYLOAD) /* 4 bytes */
122 * RSQ - Receive Status Queue
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| /kernel/linux/linux-5.10/drivers/s390/char/ |
| D | tty3270.c | 1 // SPDX-License-Identifier: GPL-2.0
3 * IBM/3270 Driver - tty functions.
8 * -- Copyright IBM Corp. 2003
115 /* tty3270->update_flags. See tty3270_update for details. */
117 #define TTY_UPDATE_LIST 2 /* Update lines in tty3270->update. */
130 mod_timer(&tp->timer, jiffies + expires); in tty3270_set_timer()
137 tty3270_update_prompt(struct tty3270 *tp, char *input, int count) in tty3270_update_prompt() argument
142 line = tp->prompt; in tty3270_update_prompt()
143 if (count != 0) in tty3270_update_prompt()
144 line->string[5] = TF_INMDT; in tty3270_update_prompt()
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| /kernel/linux/linux-6.6/drivers/bus/ |
| D | hisi_lpc.c | 1 // SPDX-License-Identifier: GPL-2.0+
22 #define DRV_NAME "hisi-lpc"
50 #define LPC_REG_OP_LEN 0x10 /* LPC cycles count per start */
84 return (status & LPC_REG_OP_STATUS_FINISHED) ? 0 : -EIO; in wait_lpc_idle()
86 } while (--waitcnt); in wait_lpc_idle()
88 return -ETIMEDOUT; in wait_lpc_idle()
92 * hisi_lpc_target_in - trigger a series of LPC cycles for read operation
99 * Returns 0 on success, non-zero on fail.
110 if (!buf || !opcnt || !para || !para->csize || !lpcdev) in hisi_lpc_target_in()
111 return -EINVAL; in hisi_lpc_target_in()
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| /kernel/linux/linux-6.6/drivers/s390/char/ |
| D | con3270.c | 1 // SPDX-License-Identifier: GPL-2.0
3 * IBM/3270 Driver - tty functions.
8 * -- Copyright IBM Corp. 2003
37 #define TTY3270_SCREEN_PAGES 8 /* has to be power-of-two */
38 #define TTY3270_RECALL_SIZE 16 /* has to be power-of-two */
129 /* tty3270->update_flags. See tty3270_update for details. */
142 mod_timer(&tp->timer, jiffies + expires); in tty3270_set_timer()
147 return tp->view.rows - TTY3270_INPUT_AREA_ROWS; in tty3270_tty_rows()
153 raw3270_buffer_address(tp->view.dev, cp, x, y); in tty3270_add_ba()
188 return (line + incr) & (tp->allocated_lines - 1); in tty3270_line_increment()
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| /kernel/linux/linux-5.10/arch/parisc/kernel/ |
| D | firmware.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * arch/parisc/kernel/firmware.c - safe PDC access routines
14 * Copyright 2003 Grant Grundler <grundler parisc-linux org>
15 * Copyright 2003,2004 Ryan Bradetich <rbrad@parisc-linux.org>
16 * Copyright 2004,2006 Thibaut VARENE <varenet@parisc-linux.org>
22 * - the name of the pdc wrapper should match one of the macros
24 * - don't use caps for random parts of the name
25 * - use the static PDC result buffers and "copyout" to structs
27 * - hold pdc_lock while in PDC or using static result buffers
28 * - use __pa() to convert virtual (kernel) pointers to physical
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