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/linux/drivers/scsi/elx/libefc/
H A Defc_device.c1 // SPDX-License-Identifier: GPL-2.0
19 struct efc *efc = node->efc; in efc_d_send_prli_rsp()
21 node->ls_acc_oxid = ox_id; in efc_d_send_prli_rsp()
22 node->send_ls_acc = EFC_NODE_SEND_LS_ACC_PRLI; in efc_d_send_prli_rsp()
29 if (node->init) { in efc_d_send_prli_rsp()
31 node->display_name, node->wwpn, node->wwnn); in efc_d_send_prli_rsp()
32 if (node->nport->enable_tgt) in efc_d_send_prli_rsp()
33 rc = efc->tt.scsi_new_node(efc, node); in efc_d_send_prli_rsp()
50 node = ctx->app; in __efc_d_common()
51 efc = node->efc; in __efc_d_common()
[all …]
H A Defc_node.c1 // SPDX-License-Identifier: GPL-2.0
14 struct efc_node *node = rnode->node; in efc_remote_node_cb()
17 spin_lock_irqsave(&efc->lock, flags); in efc_remote_node_cb()
19 spin_unlock_irqrestore(&efc->lock, flags); in efc_remote_node_cb()
28 return xa_load(&nport->lookup, port_id); in efc_node_find()
35 struct efc *efc = node->efc; in _efc_node_free()
38 dma = &node->sparm_dma_buf; in _efc_node_free()
39 dma_pool_free(efc->node_dma_pool, dma->virt, dma->phys); in _efc_node_free()
41 mempool_free(node, efc->node_pool); in _efc_node_free()
49 struct efc *efc = nport->efc; in efc_node_alloc()
[all …]
H A Defc_fabric.c1 // SPDX-License-Identifier: GPL-2.0
9 * - Fabric logins.
10 * - Fabric controller events.
11 * - Name/directory services interaction.
12 * - Point-to-point logins.
18 * p2p_sm Node State Machine: Point-to-Point Node States
26 struct efc *efc = node->efc; in efc_fabric_initiate_shutdown()
28 node->els_io_enabled = false; in efc_fabric_initiate_shutdown()
30 if (node->attached) { in efc_fabric_initiate_shutdown()
34 * or sometime later, will check node->attached later in in efc_fabric_initiate_shutdown()
[all …]
H A Defclib.h1 /* SPDX-License-Identifier: GPL-2.0 */
112 * @attached: mark attached if reg VPI succeeds
113 * @p2p_winner: TRUE if we're the point-to-point winner
131 * @p2p_port_id: our port id for point-to-point
134 * @p2p_remote_port_id: remote node's port id for point-to-point
146 bool attached; member
196 * @attached: set true after attach completes
229 bool attached; member
255 * @attached: true if attached
264 bool attached; member
[all …]
/linux/Documentation/driver-api/usb/
H A Dpersist.rst1 .. _usb-persist:
14 bus must continue to supply suspend current (around 1-5 mA). This
16 detect connect-change events (devices being plugged in or unplugged).
23 device is still attached or perhaps it was removed and a different
28 wakes up all the devices attached to that controller are treated as
38 Unfortunately problems _can_ arise, particularly with mass-storage
41 filesystem on the device, you're out of luck -- everything in that
57 suspend-to-RAM. On almost all systems, no suspend current is
58 available during hibernation (also known as swsusp or suspend-to-disk).
65 suspended -- but it will crash as soon as it wakes up, which isn't
[all …]
/linux/sound/soc/cirrus/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
9 Say Y or M if you want to add support for codecs attached to
16 Say Y or M if you want to add support for codecs attached to
29 which disables and re-enables I2S in case of underflow and
/linux/include/linux/i3c/
H A Dmaster.h1 /* SPDX-License-Identifier: GPL-2.0 */
39 * struct i3c_i2c_dev_desc - Common part of the I3C/I2C device descriptor
62 * struct i2c_dev_boardinfo - I2C device board information
68 * This structure is used to attach board-level information to an I2C device.
78 * struct i2c_dev_desc - I2C device descriptor
86 * This object is created by the core and later attached to the controller
87 * using &struct_i3c_master_controller->ops->attach_i2c_dev().
101 * struct i3c_ibi_slot - I3C IBI (In-Band Interrupt) slot
108 * An IBI slot is an object pre-allocated by the controller and used when an
115 * simple kmalloc-based allocation, the generic IBI slot pool can be used.
[all …]
/linux/drivers/infiniband/sw/rxe/
H A Drxe_mcast.c1 // SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
12 * attached to a new mgid for the first time. These are indexed by
13 * a red-black tree using the mgid. This data structure is searched
15 * qp is attached to the same mgid. It is cleaned up when the last qp
16 * is detached from the mcg. Each time a qp is attached to an mcg an
18 * of qp's that are attached to the mcg. The qp_list is used to replicate
25 * rxe_mcast_add - add multicast address to rxe device
37 ndev = rxe_ib_device_get_netdev(&rxe->ib_dev); in rxe_mcast_add()
39 return -ENODEV; in rxe_mcast_add()
41 ipv6_eth_mc_map((struct in6_addr *)mgid->raw, ll_addr); in rxe_mcast_add()
[all …]
/linux/mm/
H A Dmmap_lock.c1 // SPDX-License-Identifier: GPL-2.0
50 * attached, otherwise it waits for any current readers to finish and
51 * returns 1. Returns -EINTR if a signal is received while waiting.
59 mmap_assert_write_locked(vma->vm_mm); in __vma_enter_locked()
61 /* Additional refcnt if the vma is attached. */ in __vma_enter_locked()
69 if (!refcount_add_not_zero(VMA_LOCK_OFFSET, &vma->vm_refcnt)) in __vma_enter_locked()
72 rwsem_acquire(&vma->vmlock_dep_map, 0, 0, _RET_IP_); in __vma_enter_locked()
73 err = rcuwait_wait_event(&vma->vm_mm->vma_writer_wait, in __vma_enter_locked()
74 refcount_read(&vma->vm_refcnt) == tgt_refcnt, in __vma_enter_locked()
77 if (refcount_sub_and_test(VMA_LOCK_OFFSET, &vma->vm_refcnt)) { in __vma_enter_locked()
[all …]
/linux/tools/arch/x86/dell-uart-backlight-emulator/
H A DREADME1 Emulator for DELL0501 UART attached backlight controller
2 --------------------------------------------------------
13 the backlight controller board attached.
16 the drivers/platform/x86/dell/dell-uart-backlight.c driver without access
32 ./dell-uart-backlight-emulator <path-to-/dev/tty*S#-for-second-port>
36 ./dell-uart-backlight-emulator /dev/ttyUSB0
38 And then (re)load the dell-uart-backlight driver:
40 sudo rmmod dell-uart-backlight; sudo modprobe dell-uart-backlight dyndbg
/linux/arch/mips/include/asm/octeon/
H A Dcvmx-pow.h7 * Copyright (c) 2003-2008 Cavium Networks
14 * AS-IS and WITHOUT ANY WARRANTY; without even the implied warranty
21 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
31 * New, starting with SDK 1.7.0, cvmx-pow supports a number of
36 * enabled. For example, cvmx-pow will check for the following
38 * - Requesting a POW operation with an active tag switch in
40 * - Waiting for a tag switch to complete for an excessively
43 * - Illegal tag switches from NULL_NULL.
44 * - Illegal tag switches from NULL.
45 * - Illegal deschedule request.
[all …]
/linux/drivers/net/phy/
H A Dphy_link_topology.c1 // SPDX-License-Identifier: GPL-2.0+
4 * either directly or indirectly attached.
20 return -ENOMEM; in netdev_alloc_phy_link_topology()
22 xa_init_flags(&topo->phys, XA_FLAGS_ALLOC1); in netdev_alloc_phy_link_topology()
23 topo->next_phy_index = 1; in netdev_alloc_phy_link_topology()
25 dev->link_topo = topo; in netdev_alloc_phy_link_topology()
34 struct phy_link_topology *topo = dev->link_topo; in phy_link_topo_add_phy()
43 topo = dev->link_topo; in phy_link_topo_add_phy()
48 return -ENOMEM; in phy_link_topo_add_phy()
50 pdn->phy = phy; in phy_link_topo_add_phy()
[all …]
/linux/drivers/gpu/drm/imagination/
H A Dpvr_queue.c1 // SPDX-License-Identifier: GPL-2.0-only OR MIT
40 sizeof(((struct rogue_fwif_frag_ctx_state *)0)->frag_reg_isp_store[0])); in get_xfer_ctx_state_size()
70 sizeof(((struct rogue_fwif_frag_ctx_state *)0)->frag_reg_isp_store[0])); in get_frag_ctx_state_size()
87 return -EINVAL; in get_ctx_state_size()
116 pvr_context_put(fence->queue->ctx); in pvr_queue_fence_release_work()
117 dma_fence_free(&fence->base); in pvr_queue_fence_release_work()
123 struct pvr_device *pvr_dev = fence->queue->ctx->pvr_dev; in pvr_queue_fence_release()
125 queue_work(pvr_dev->sched_wq, &fence->release_work); in pvr_queue_fence_release()
133 switch (fence->queue->type) { in pvr_queue_job_fence_get_timeline_name()
156 switch (fence->queue->type) { in pvr_queue_cccb_fence_get_timeline_name()
[all …]
/linux/tools/testing/selftests/bpf/prog_tests/
H A Dusdt.c1 // SPDX-License-Identifier: GPL-2.0
15 static volatile short nums[] = {-1, -2, -3, -4};
20 } t1 = { 1, -127 };
38 y / 7, bla, &bla, -9, nums[x], in trigger_func()
45 * SIB (Scale-Inde in subtest_basic_usdt()
[all...]
H A Dlink_pinning.c1 // SPDX-License-Identifier: GPL-2.0
23 bss->in = 1; in test_link_pinning_subtest()
25 CHECK(bss->out != 1, "res_check1", "exp %d, got %d\n", 1, bss->out); in test_link_pinning_subtest()
40 bss->in = 2; in test_link_pinning_subtest()
42 CHECK(bss->out != 2, "res_check2", "exp %d, got %d\n", 2, bss->out); in test_link_pinning_subtest()
44 /* destroy link, pinned link should keep program attached */ in test_link_pinning_subtest()
48 bss->in = 3; in test_link_pinning_subtest()
50 CHECK(bss->out != 3, "res_check3", "exp %d, got %d\n", 3, bss->out); in test_link_pinning_subtest()
52 /* re-open link from BPFFS */ in test_link_pinning_subtest()
60 /* unpin link from BPFFS, program still attached */ in test_link_pinning_subtest()
[all …]
/linux/Documentation/admin-guide/cgroup-v1/
H A Dcgroups.rst6 Documentation/admin-guide/cgroup-v1/cpusets.rst
12 Portions Copyright (c) 2004-2006 Silicon Graphics, Inc.
42 ----------------------
56 schedules a resource or applies per-cgroup limits, but it may be
62 hierarchy, and a set of subsystems; each subsystem has system-specific
63 state attached to each cgroup in the hierarchy. Each hierarchy has
69 User-level code may create and destroy cgroups by name in an
79 access. For example, cpusets (see Documentation/admin-guide/cgroup-v1/cpusets.rst) allow
83 .. _cgroups-why-needed:
86 ----------------------------
[all …]
/linux/drivers/mmc/core/
H A Dsdio_io.c1 // SPDX-License-Identifier: GPL-2.0-or-later
5 * Copyright 2007-2008 Pierre Ossman
21 * sdio_claim_host - exclusively claim a bus for a certain SDIO function
32 mmc_claim_host(func->card->host); in sdio_claim_host()
37 * sdio_release_host - release a bus for a certain SDIO function
48 mmc_release_host(func->card->host); in sdio_release_host()
53 * sdio_enable_func - enables a SDIO function for usage
66 return -EINVAL; in sdio_enable_func()
70 ret = mmc_io_rw_direct(func->card, 0, 0, SDIO_CCCR_IOEx, 0, &reg); in sdio_enable_func()
74 reg |= 1 << func->num; in sdio_enable_func()
[all …]
/linux/fs/xfs/
H A Dxfs_trans_buf.c1 // SPDX-License-Identifier: GPL-2.0
3 * Copyright (c) 2000-2002,2005 Silicon Graphics, Inc.
37 list_for_each_entry(lip, &tp->t_items, li_trans) { in xfs_trans_buf_item_match()
39 if (blip->bli_item.li_type == XFS_LI_BUF && in xfs_trans_buf_item_match()
40 blip->bli_buf->b_target == target && in xfs_trans_buf_item_match()
41 xfs_buf_daddr(blip->bli_buf) == map[0].bm_bn && in xfs_trans_buf_item_match()
42 blip->bli_buf->b_length == len) { in xfs_trans_buf_item_match()
43 ASSERT(blip->bli_buf->b_map_count == nmaps); in xfs_trans_buf_item_match()
44 return blip->bli_buf; in xfs_trans_buf_item_match()
68 ASSERT(bp->b_transp == NULL); in _xfs_trans_bjoin()
[all …]
H A Dxfs_inode_item.c1 // SPDX-License-Identifier: GPL-2.0
3 * Copyright (c) 2000-2002,2005 Silicon Graphics, Inc.
37 return INODE_ITEM(lip)->ili_inode->i_ino; in xfs_inode_item_sort()
45 struct xfs_mount *mp = ip->i_mount; in xfs_inode_item_precommit_check()
49 dip = kzalloc(mp->m_sb.sb_inodesize, GFP_KERNEL | GFP_NOFS); in xfs_inode_item_precommit_check()
57 fa = xfs_dinode_verify(mp, ip->i_ino, dip); in xfs_inode_item_precommit_check()
59 xfs_inode_verifier_error(ip, -EFSCORRUPTED, __func__, dip, in xfs_inode_item_precommit_check()
72 * per-modification inode state changes are applied. This includes VFS inode
78 * require AGI -> inode cluster buffer lock order. The inode cluster buffer is
79 * not locked until ->precommit, so it happens after everything else has been
[all …]
/linux/drivers/tty/serial/8250/
H A D8250_parisc.c1 // SPDX-License-Identifier: GPL-2.0+
5 * (c) Copyright Matthew Wilcox <willy@debian.org> 2001-2002
18 #include <asm/parisc-device.h>
30 if (!dev->irq && (dev->id.sversion == 0xad)) in serial_init_chip()
31 dev->irq = iosapic_serial_irq(dev); in serial_init_chip()
34 if (!dev->irq) { in serial_init_chip()
38 * the user what they're missing. in serial_init_chip()
40 if (parisc_parent(dev)->id.hw_type != HPHW_IOA) in serial_init_chip()
41 dev_info(&dev->dev, in serial_init_chip()
44 (unsigned long long)dev->hpa.start); in serial_init_chip()
[all …]
/linux/fs/xfs/scrub/
H A Drepair.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Copyright (C) 2018-2023 Oracle. All Rights Reserved.
58 * told us to fix it. This function returns -EAGAIN to mean "re-run scrub",
69 trace_xrep_attempt(XFS_I(file_inode(sc->file)), sc->sm, error); in xrep_attempt()
71 xchk_ag_btcur_free(&sc->sa); in xrep_attempt()
72 xchk_rtgroup_btcur_free(&sc->sr); in xrep_attempt()
75 ASSERT(sc->ops->repair); in xrep_attempt()
76 run->repair_attempted = true; in xrep_attempt()
78 error = sc->ops->repair(sc); in xrep_attempt()
79 trace_xrep_done(XFS_I(file_inode(sc->file)), sc->sm, error); in xrep_attempt()
[all …]
H A Dreap.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Copyright (C) 2022-2023 Oracle. All Rights Reserved.
84 * the btree we're trying to rebuild and the block is indeed owned by another
92 * state while we're not looking. We must also invalidate any buffers
122 /* Number of deferred reaps attached to the current transaction. */
144 * Since we're "freeing" a lost block onto the AGFL, we have to in xreap_put_freelist()
148 error = xfs_rmap_alloc(sc->tp, sc->sa.agf_bp, sc->sa.pag, agbno, 1, in xreap_put_freelist()
154 error = xfs_alloc_read_agfl(sc->sa.pag, sc->tp, &agfl_bp); in xreap_put_freelist()
158 error = xfs_alloc_put_freelist(sc->sa.pag, sc->tp, sc->sa.agf_bp, in xreap_put_freelist()
162 xfs_extent_busy_insert(sc->tp, pag_group(sc->sa.pag), agbno, 1, in xreap_put_freelist()
[all …]
/linux/tools/testing/selftests/net/
H A Dnl_netdev.py2 # SPDX-License-Identifier: GPL-2.0
11 def empty_check(nf) -> None:
16 def lo_check(nf) -> None:
18 ksft_eq(len(lo_info['xdp-features']), 0)
19 ksft_eq(len(lo_info['xdp-rx-metadata-features']), 0)
22 def napi_list_check(nf) -> None:
38 def napi_set_threaded(nf) -> None:
123 def dev_set_threaded(nf) -> None:
161 def nsim_rxq_reset_down(nf) -> None:
176 def page_pool_check(nf) -> None:
[all …]
/linux/kernel/liveupdate/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
62 re-attached to their original workload without requiring a device
/linux/drivers/gpu/drm/vc4/
H A Dvc4_irq.c71 mutex_lock(&vc4->bin_bo_lock); in vc4_overflow_mem_work()
73 if (!vc4->bin_bo) in vc4_overflow_mem_work()
76 bo = vc4->bin_bo; in vc4_overflow_mem_work()
80 drm_err(&vc4->base, "Couldn't allocate binner overflow mem\n"); in vc4_overflow_mem_work()
84 spin_lock_irqsave(&vc4->job_lock, irqflags); in vc4_overflow_mem_work()
86 if (vc4->bin_alloc_overflow) { in vc4_overflow_mem_work()
97 exec->bin_slots |= vc4->bin_alloc_overflow; in vc4_overflow_mem_work()
102 vc4->bin_alloc_used &= ~vc4->bin_alloc_overflo in vc4_overflow_mem_work()
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