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/linux/drivers/char/tpm/
H A Dtpm2-space.c31 static void tpm2_flush_sessions(struct tpm_chip *chip, struct tpm_space *space) in tpm2_flush_sessions() argument
35 for (i = 0; i < ARRAY_SIZE(space->session_tbl); i++) { in tpm2_flush_sessions()
36 if (space->session_tbl[i]) in tpm2_flush_sessions()
37 tpm2_flush_context(chip, space->session_tbl[i]); in tpm2_flush_sessions()
41 int tpm2_init_space(struct tpm_space *space, unsigned int buf_size) in tpm2_init_space() argument
43 space->context_buf = kzalloc(buf_size, GFP_KERNEL); in tpm2_init_space()
44 if (!space->context_buf) in tpm2_init_space()
47 space->session_buf = kzalloc(buf_size, GFP_KERNEL); in tpm2_init_space()
48 if (space->session_buf == NULL) { in tpm2_init_space()
49 kfree(space->context_buf); in tpm2_init_space()
[all …]
H A Dtpmrm-dev.c10 struct tpm_space space; member
24 rc = tpm2_init_space(&priv->space, TPM2_SPACE_BUFFER_SIZE); in tpmrm_open()
30 tpm_common_open(file, chip, &priv->priv, &priv->space); in tpmrm_open()
41 tpm2_del_space(fpriv->chip, &priv->space); in tpmrm_release()
/linux/drivers/char/ipmi/
H A Dipmi_dmi.c25 unsigned int space; /* addr space for si, intf# for ssif */ member
36 unsigned int space, in dmi_add_platform_ipmi() argument
71 p.space = space; in dmi_add_platform_ipmi()
82 info->space = space; in dmi_add_platform_ipmi()
100 int ipmi_dmi_get_slave_addr(enum si_type si_type, unsigned int space, in ipmi_dmi_get_slave_addr() argument
107 info->space == space && in ipmi_dmi_get_slave_addr()
129 int space = IPMI_IO_ADDR_SPACE; in dmi_decode_ipmi() local
149 space = 0; /* Match I2C interface 0. */ in dmi_decode_ipmi()
166 space = IPMI_MEM_ADDR_SPACE; in dmi_decode_ipmi()
210 dmi_add_platform_ipmi(base_addr, space, slave_addr, irq, in dmi_decode_ipmi()
/linux/drivers/gpu/drm/amd/include/
H A Dcgs_common.h108 typedef uint32_t (*cgs_read_ind_register_t)(struct cgs_device *cgs_device, enum cgs_ind_reg space,
117 typedef void (*cgs_write_ind_register_t)(struct cgs_device *cgs_device, enum cgs_ind_reg space,
133 #define CGS_WREG32_FIELD_IND(device, space, reg, field, val) \ argument
134 …cgs_write_ind_register(device, space, ix##reg, (cgs_read_ind_register(device, space, ix##reg) & ~C…
168 #define cgs_read_ind_register(dev, space, index) \ argument
169 CGS_CALL(read_ind_register, dev, space, index)
170 #define cgs_write_ind_register(dev, space, index, value) \ argument
171 CGS_CALL(write_ind_register, dev, space, index, value)
/linux/Documentation/devicetree/bindings/powerpc/fsl/
H A Ddcsr.txt17 debug blocks defined within this memory space.
25 The DCSR space exists in the memory-mapped bus.
44 range of the DCSR space.
57 This node represents the region of DCSR space allocated to the EPU
91 offset and length of the DCSR space registers of the device
107 This node represents the region of DCSR space allocated to the NPC
120 offset and length of the DCSR space registers of the device
122 The Nexus Port controller occupies two regions in the DCSR space
144 This node represents the region of DCSR space allocated to the NXC
157 offset and length of the DCSR space registers of the device
[all …]
H A Decm.txt8 The LAW node represents the region of CCSR space where local access
10 of CCSR space that includes CCSRBAR, ALTCBAR, ALTCAR, BPTR, and some
24 physical address offset and length of the CCSR space
37 The E500 LAW node represents the region of CCSR space where ECM config
39 of CCSR space.
53 physical address offset and length of the CCSR space
H A Dmcm.txt8 The LAW node represents the region of CCSR space where local access
10 of CCSR space that includes CCSRBAR, ALTCBAR, ALTCAR, BPTR, and some
24 physical address offset and length of the CCSR space
37 The MPX LAW node represents the region of CCSR space where MCM config
39 of CCSR space.
53 physical address offset and length of the CCSR space
/linux/drivers/media/usb/go7007/
H A Dgo7007-fw.c277 static int copy_packages(__le16 *dest, u16 *src, int pkg_cnt, int space) in copy_packages() argument
281 if (space < cnt) in copy_packages()
365 static int gen_mjpeghdr_to_package(struct go7007 *go, __le16 *code, int space) in gen_mjpeghdr_to_package() argument
385 if (space - off < 32) { in gen_mjpeghdr_to_package()
632 __le16 *code, int space, int *framelen) in gen_mpeg1hdr_to_package() argument
674 if (space - off < 32) { in gen_mpeg1hdr_to_package()
818 __le16 *code, int space, int *framelen) in gen_mpeg4hdr_to_package() argument
842 if (space - off < 32) { in gen_mpeg4hdr_to_package()
885 if (space - off < 32) { in gen_mpeg4hdr_to_package()
920 __le16 *code, int space, int *framelen) in brctrl_to_package() argument
[all …]
/linux/drivers/tty/
H A Dtty_buffer.c96 int space = port->buf.mem_limit - atomic_read(&port->buf.mem_used); in tty_buffer_space_avail() local
98 return max(space, 0); in tty_buffer_space_avail()
309 size_t space = __tty_buffer_request_room(port, goal, need_flags); in __tty_insert_flip_string_flags() local
312 if (unlikely(space == 0)) in __tty_insert_flip_string_flags()
315 memcpy(char_buf_ptr(tb, tb->used), chars, space); in __tty_insert_flip_string_flags()
318 memcpy(flag_buf_ptr(tb, tb->used), flags, space); in __tty_insert_flip_string_flags()
319 flags += space; in __tty_insert_flip_string_flags()
321 memset(flag_buf_ptr(tb, tb->used), flags[0], space); in __tty_insert_flip_string_flags()
327 tb->used += space; in __tty_insert_flip_string_flags()
328 copied += space; in __tty_insert_flip_string_flags()
[all …]
/linux/drivers/gpu/drm/i915/gt/
H A Dintel_ring.c21 unsigned int space; in intel_ring_update_space() local
23 space = __intel_ring_space(ring->head, ring->emit, ring->size); in intel_ring_update_space()
25 ring->space = space; in intel_ring_update_space()
26 return space; in intel_ring_update_space()
226 GEM_BUG_ON(ring->space < bytes); in wait_for_space()
267 if (unlikely(total_bytes > ring->space)) { in intel_ring_begin()
290 GEM_BUG_ON(need_wrap > ring->space); in intel_ring_begin()
296 ring->space -= need_wrap; in intel_ring_begin()
301 GEM_BUG_ON(ring->space < bytes); in intel_ring_begin()
306 ring->space -= bytes; in intel_ring_begin()
/linux/drivers/usb/host/
H A Duhci-debug.c44 int len, int space) in uhci_show_td() argument
51 out += sprintf(out, "%*s[%p] link (%08x) ", space, "", td, in uhci_show_td()
101 char *buf, int len, int space) in uhci_show_urbp() argument
142 out += sprintf(out, "%*s%d: ", space + 2, "", i); in uhci_show_urbp()
157 space, "", ninactive, nactive); in uhci_show_urbp()
166 struct uhci_qh *qh, char *buf, int len, int space) in uhci_show_qh() argument
182 space, "", qh, qtype, in uhci_show_qh()
188 space, "", qh->period, qh->phase, qh->load, in uhci_show_qh()
192 space, "", qh->period, qh->phase, qh->load); in uhci_show_qh()
197 out += sprintf(out, "%*s Element points to QH (bug?)\n", space, ""); in uhci_show_qh()
[all …]
/linux/arch/x86/events/intel/
H A Dbts.c388 unsigned long head, space, next_space, pad, gap, skip, wakeup; in bts_buffer_reset() local
399 space = phys->offset + phys->displacement + phys->size - head; in bts_buffer_reset()
400 pad = space; in bts_buffer_reset()
401 if (space > handle->size) { in bts_buffer_reset()
402 space = handle->size; in bts_buffer_reset()
403 space -= space % BTS_RECORD_SIZE; in bts_buffer_reset()
405 if (space <= BTS_SAFETY_MARGIN) { in bts_buffer_reset()
420 if (next_space > space || !space) { in bts_buffer_reset()
428 space = next_space; in bts_buffer_reset()
444 if (space > wakeup) { in bts_buffer_reset()
[all …]
/linux/Documentation/arch/arm/
H A Dmemory.rst14 space, and this must be shared between user space processes, the
18 certain regions of VM space for use for new facilities; therefore
19 this document may reserve more VM space over time.
56 fee00000 feffffff Mapping of PCI I/O space. This is a static
57 mapping within the vmalloc space.
59 VMALLOC_START VMALLOC_END-1 vmalloc() / ioremap() space.
74 space.
76 MODULES_VADDR MODULES_END-1 Kernel module space
85 00001000 TASK_SIZE-1 User space mappings
93 space are also caught via this mapping.
/linux/drivers/thunderbolt/
H A Dctl.c224 enum tb_cfg_space space, u32 offset, in check_config_address() argument
229 if (WARN(space != addr.space, "wrong space (expected %x, got %x\n)", in check_config_address()
230 space, addr.space)) in check_config_address()
278 static void tb_cfg_print_error(struct tb_ctl *ctl, enum tb_cfg_space space, in tb_cfg_print_error() argument
293 res->response_route, res->response_port, space); in tb_cfg_print_error()
957 u64 route, u32 port, enum tb_cfg_space space, in tb_cfg_read_raw() argument
965 .space = space, in tb_cfg_read_raw()
1008 res.err = check_config_address(reply.addr, space, offset, length); in tb_cfg_read_raw()
1031 u64 route, u32 port, enum tb_cfg_space space, in tb_cfg_write_raw() argument
1039 .space = space, in tb_cfg_write_raw()
[all …]
/linux/drivers/pnp/
H A Dinterface.c56 static void pnp_print_port(pnp_info_buffer_t * buffer, char *space, in pnp_print_port() argument
60 "%i-bit address decoding\n", space, in pnp_print_port()
68 static void pnp_print_irq(pnp_info_buffer_t * buffer, char *space, in pnp_print_irq() argument
73 pnp_printf(buffer, "%sirq ", space); in pnp_print_irq()
101 static void pnp_print_dma(pnp_info_buffer_t * buffer, char *space, in pnp_print_dma() argument
107 pnp_printf(buffer, "%sdma ", space); in pnp_print_dma()
153 static void pnp_print_mem(pnp_info_buffer_t * buffer, char *space, in pnp_print_mem() argument
159 space, (unsigned long long) mem->min, in pnp_print_mem()
189 static void pnp_print_option(pnp_info_buffer_t * buffer, char *space, in pnp_print_option() argument
194 pnp_print_port(buffer, space, &option->u.port); in pnp_print_option()
[all …]
/linux/Documentation/mm/
H A Dactive_mm.rst31 difference is that an anonymous address space doesn't care about the
33 anonymous address space we just leave the previous address space
36 The obvious use for a "anonymous address space" is any thread that
39 some amount of time they are not going to be interested in user space,
44 - "tsk->mm" points to the "real address space". For an anonymous process,
46 really doesn't _have_ a real address space at all.
48 - however, we obviously need to keep track of which address space we
50 which shows what the currently active address space is.
52 The rule is that for a process with a real address space (ie tsk->mm is
58 anonymous process gets scheduled away, the borrowed address space is
[all …]
/linux/drivers/media/usb/dvb-usb/
H A Daf9005-remote.c76 u16 mark, space; in af9005_rc_decode() local
83 space = (u16) (data[2] << 8) + data[3]; in af9005_rc_decode()
84 if (space * 3 < mark) { in af9005_rc_decode()
102 space = (u16) (data[i + 2] << 8) + data[i + 3]; in af9005_rc_decode()
103 space >>= 1; in af9005_rc_decode()
104 if (mark * 2 > space) in af9005_rc_decode()
/linux/Documentation/virt/kvm/devices/
H A Dvm.rst63 Allows user space to retrieve machine and kvm specific cpu related information::
75 :Returns: -EFAULT if the given address is not accessible from kernel space;
82 Allows user space to retrieve or request to change cpu related information for a vcpu::
100 -EFAULT if the given address is not accessible from kernel space;
109 Allows user space to retrieve available cpu features. A feature is available if
120 :Returns: -EFAULT if the given address is not accessible from kernel space;
126 Allows user space to retrieve or change enabled cpu features for all VCPUs of a
133 :Returns: -EFAULT if the given address is not accessible from kernel space;
143 Allows user space to retrieve available cpu subfunctions without any filtering
176 :Returns: -EFAULT if the given address is not accessible from kernel space;
[all …]
/linux/Documentation/arch/x86/x86_64/
H A Dmm.rst13 from the top of the 64-bit address space. It's easier to understand the layout
17 64-bit address space (ffffffffffffffff).
19 Note that as we get closer to the top of the address space, the notation changes
24 It also shows it nicely how incredibly large 64-bit address space is.
32 …0000000000000000 | 0 | 00007fffffffefff | ~128 TB | user-space virtual memory, different …
44 … | Kernel-space virtual memory, shared between all processes:
59 ffffc90000000000 | -55 TB | ffffe8ffffffffff | 32 TB | vmalloc/ioremap space (vmalloc_base)
75 ffffffef00000000 | -68 GB | fffffffeffffffff | 64 GB | EFI region mapping space
79 ffffffffa0000000 |-1536 MB | fffffffffeffffff | 1520 MB | module mapping space
92 - With 56-bit addresses, user-space memory gets expanded by a factor of 512x,
[all …]
/linux/arch/mips/mm/
H A Dtlb-funcs.S22 .space 64
28 .space FASTPATH_SIZE * 4
33 .space FASTPATH_SIZE * 4
38 .space FASTPATH_SIZE * 4
/linux/drivers/media/platform/amphion/
H A Dvpu_rpc.c59 u32 space = 0; in vpu_rpc_send_cmd_buf() local
67 space = vpu_rpc_check_buffer_space(desc, true); in vpu_rpc_send_cmd_buf()
68 if (space < (((cmd->hdr.num + 1) << 2) + 16)) in vpu_rpc_send_cmd_buf()
103 u32 space = 0; in vpu_rpc_check_msg() local
108 space = vpu_rpc_check_buffer_space(desc, 0); in vpu_rpc_check_msg()
109 space = (space >> 2); in vpu_rpc_check_msg()
111 if (space) { in vpu_rpc_check_msg()
114 if (msgnum <= space) in vpu_rpc_check_msg()
/linux/Documentation/arch/powerpc/
H A Dpci_iov_resource_on_powernv.rst57 - For DMA we then provide an entire address space for each PE that can
63 - For MSIs, we have two windows in the address space (one at the top of
64 the 32-bit space and one much higher) which, via a combination of the
75 from the CPU address space to the PCI address space. There is one M32
78 the CPU address space to the PCIe bus and must be naturally aligned
89 portion of address space from the CPU to PCIe
93 ignores that however and will forward in that space if we try).
96 maps each segment to a PE#. That allows portions of the MMIO space
102 onto a segment alignment/granularity so that the space behind a bridge
127 for large BARs in 64-bit space:
[all …]
/linux/Documentation/arch/riscv/
H A Dvm-layout.rst26 occur.": that splits the virtual address space into 2 halves separated by a very
39 …0000000000000000 | 0 | 0000003fffffffff | 256 GB | user-space virtual memory, different …
47 … | Kernel-space virtual memory, shared between all processes:
53 ffffffc600000000 | -232 GB | ffffffd5ffffffff | 64 GB | vmalloc/ioremap space
76 …0000000000000000 | 0 | 00007fffffffffff | 128 TB | user-space virtual memory, different …
84 … | Kernel-space virtual memory, shared between all processes:
90 ffff8f8000000000 | -112.5 TB | ffffaf7fffffffff | 32 TB | vmalloc/ioremap space
112 …0000000000000000 | 0 | 00ffffffffffffff | 64 PB | user-space virtual memory, different …
120 … | Kernel-space virtual memory, shared between all processes:
126 ff20000000000000 | -56 PB | ff5fffffffffffff | 16 PB | vmalloc/ioremap space
/linux/net/ceph/
H A Dpagelist.c102 int ceph_pagelist_reserve(struct ceph_pagelist *pl, size_t space) in ceph_pagelist_reserve() argument
104 if (space <= pl->room) in ceph_pagelist_reserve()
106 space -= pl->room; in ceph_pagelist_reserve()
107 space = (space + PAGE_SIZE - 1) >> PAGE_SHIFT; /* conv to num pages */ in ceph_pagelist_reserve()
109 while (space > pl->num_pages_free) { in ceph_pagelist_reserve()
/linux/Documentation/admin-guide/kdump/
H A Dvmcoreinfo.rst11 section and used by user-space tools like crash and makedumpfile to
39 User-space tools can get the kernel name, host name, kernel release
90 User-space tools use this to exclude free pages when dumping memory.
105 Defines the maximum supported physical address space memory.
147 User-space tools compute their values based on the offset of these
166 User-space tools compute required values based on the offset of these
182 circular linked list. User-space tools need these in order to traverse
195 Free areas descriptor. User-space tools use this value to iterate the
204 Used by user-space tools to read the active kernel log buffer.
219 SYSLOG_ACTION_CLEAR, like issued by 'dmesg -c'. Used by user-space
[all …]

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