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/linux-6.12.1/drivers/gpu/drm/nouveau/nvkm/subdev/bar/
Dbase.c27 nvkm_bar_flush(struct nvkm_bar *bar) in nvkm_bar_flush() argument
29 if (bar && bar->func->flush) in nvkm_bar_flush()
30 bar->func->flush(bar); in nvkm_bar_flush()
36 return device->bar->func->bar1.vmm(device->bar); in nvkm_bar_bar1_vmm()
42 struct nvkm_bar *bar = device->bar; in nvkm_bar_bar1_reset() local
43 if (bar) { in nvkm_bar_bar1_reset()
44 bar->func->bar1.init(bar); in nvkm_bar_bar1_reset()
45 bar->func->bar1.wait(bar); in nvkm_bar_bar1_reset()
55 struct nvkm_bar *bar = device->bar; in nvkm_bar_bar2_vmm() local
56 if (bar && bar->bar2) in nvkm_bar_bar2_vmm()
[all …]
Dnv50.c34 struct nv50_bar *bar = nv50_bar(base); in nv50_bar_flush() local
35 struct nvkm_device *device = bar->base.subdev.device; in nv50_bar_flush()
37 spin_lock_irqsave(&bar->base.lock, flags); in nv50_bar_flush()
43 spin_unlock_irqrestore(&bar->base.lock, flags); in nv50_bar_flush()
59 nv50_bar_bar1_fini(struct nvkm_bar *bar) in nv50_bar_bar1_fini() argument
61 nvkm_wr32(bar->subdev.device, 0x001708, 0x00000000); in nv50_bar_bar1_fini()
68 struct nv50_bar *bar = nv50_bar(base); in nv50_bar_bar1_init() local
69 nvkm_wr32(device, 0x001708, 0x80000000 | bar->bar1->node->offset >> 4); in nv50_bar_bar1_init()
79 nv50_bar_bar2_fini(struct nvkm_bar *bar) in nv50_bar_bar2_fini() argument
81 nvkm_wr32(bar->subdev.device, 0x00170c, 0x00000000); in nv50_bar_bar2_fini()
[all …]
Dgf100.c34 return gf100_bar(base)->bar[1].vmm; in gf100_bar_bar1_vmm()
46 gf100_bar_bar1_fini(struct nvkm_bar *bar) in gf100_bar_bar1_fini() argument
48 nvkm_mask(bar->subdev.device, 0x001704, 0x80000000, 0x00000000); in gf100_bar_bar1_fini()
55 struct gf100_bar *bar = gf100_bar(base); in gf100_bar_bar1_init() local
56 const u32 addr = nvkm_memory_addr(bar->bar[1].inst) >> 12; in gf100_bar_bar1_init()
63 return gf100_bar(base)->bar[0].vmm; in gf100_bar_bar2_vmm()
67 gf100_bar_bar2_fini(struct nvkm_bar *bar) in gf100_bar_bar2_fini() argument
69 nvkm_mask(bar->subdev.device, 0x001714, 0x80000000, 0x00000000); in gf100_bar_bar2_fini()
76 struct gf100_bar *bar = gf100_bar(base); in gf100_bar_bar2_init() local
77 u32 addr = nvkm_memory_addr(bar->bar[0].inst) >> 12; in gf100_bar_bar2_init()
[all …]
Dr535.c36 r535_bar_flush(struct nvkm_bar *bar) in r535_bar_flush() argument
38 ioread32_native(bar->flushBAR2); in r535_bar_flush()
63 r535_bar_bar2_fini(struct nvkm_bar *bar) in r535_bar_bar2_fini() argument
65 struct nvkm_gsp *gsp = bar->subdev.device->gsp; in r535_bar_bar2_fini()
67 bar->flushBAR2 = bar->flushBAR2PhysMode; in r535_bar_bar2_fini()
68 nvkm_done(bar->flushFBZero); in r535_bar_bar2_fini()
74 r535_bar_bar2_init(struct nvkm_bar *bar) in r535_bar_bar2_init() argument
76 struct nvkm_device *device = bar->subdev.device; in r535_bar_bar2_init()
77 struct nvkm_vmm *vmm = gf100_bar(bar)->bar[0].vmm; in r535_bar_bar2_init()
81 vmm->rm.bar2_pdb = gsp->bar.rm_bar2_pdb; in r535_bar_bar2_init()
[all …]
Dtu102.c29 tu102_bar_bar2_wait(struct nvkm_bar *bar) in tu102_bar_bar2_wait() argument
31 struct nvkm_device *device = bar->subdev.device; in tu102_bar_bar2_wait()
39 tu102_bar_bar2_fini(struct nvkm_bar *bar) in tu102_bar_bar2_fini() argument
41 nvkm_mask(bar->subdev.device, 0xb80f48, 0x80000000, 0x00000000); in tu102_bar_bar2_fini()
48 struct gf100_bar *bar = gf100_bar(base); in tu102_bar_bar2_init() local
49 u32 addr = nvkm_memory_addr(bar->bar[0].inst) >> 12; in tu102_bar_bar2_init()
50 if (bar->bar2_halve) in tu102_bar_bar2_init()
56 tu102_bar_bar1_wait(struct nvkm_bar *bar) in tu102_bar_bar1_wait() argument
58 struct nvkm_device *device = bar->subdev.device; in tu102_bar_bar1_wait()
66 tu102_bar_bar1_fini(struct nvkm_bar *bar) in tu102_bar_bar1_fini() argument
[all …]
DKbuild2 nvkm-y += nvkm/subdev/bar/base.o
3 nvkm-y += nvkm/subdev/bar/nv50.o
4 nvkm-y += nvkm/subdev/bar/g84.o
5 nvkm-y += nvkm/subdev/bar/gf100.o
6 nvkm-y += nvkm/subdev/bar/gk20a.o
7 nvkm-y += nvkm/subdev/bar/gm107.o
8 nvkm-y += nvkm/subdev/bar/gm20b.o
9 nvkm-y += nvkm/subdev/bar/tu102.o
11 nvkm-y += nvkm/subdev/bar/r535.o
/linux-6.12.1/drivers/net/ethernet/netronome/nfp/nfpcore/
Dnfp6000_pcie.c15 * abstraction builds upon this BAR interface.
98 #define NFP_PCIE_P2C_FIXED_SIZE(bar) (1 << (bar)->bitsize) argument
99 #define NFP_PCIE_P2C_BULK_SIZE(bar) (1 << (bar)->bitsize) argument
100 #define NFP_PCIE_P2C_GENERAL_TARGET_OFFSET(bar, x) ((x) << ((bar)->bitsize - 2)) argument
101 #define NFP_PCIE_P2C_GENERAL_TOKEN_OFFSET(bar, x) ((x) << ((bar)->bitsize - 4)) argument
102 #define NFP_PCIE_P2C_GENERAL_SIZE(bar) (1 << ((bar)->bitsize - 4)) argument
116 * struct nfp_bar - describes BAR configuration and usage
118 * @barcfg: cached contents of BAR config CSR
119 * @base: the BAR's base CPP offset
120 * @mask: mask for the BAR aperture (read only)
[all …]
/linux-6.12.1/drivers/pci/
Ddevres.c55 /* A requested region spanning an entire BAR. */
59 * A requested region spanning an entire BAR, and a mapping for
60 * the entire BAR.
65 * A mapping within a BAR, either spanning the whole BAR or just a
81 int bar; member
87 res->bar = -1; in pcim_addr_devres_clear()
101 * @bar: BAR the range is within
102 * @offset: offset from the BAR's start address
109 * Request a range within a device's PCI BAR. Sanity check the input.
111 static int __pcim_request_region_range(struct pci_dev *pdev, int bar, in __pcim_request_region_range() argument
[all …]
Diomap.c13 * pci_iomap_range - create a virtual mapping cookie for a PCI BAR
14 * @dev: PCI device that owns the BAR
15 * @bar: BAR number
16 * @offset: map memory at the given offset in BAR
19 * Using this function you will get a __iomem address to your device BAR.
25 * the complete BAR from offset to the end, pass %0 here.
32 int bar, in pci_iomap_range() argument
36 resource_size_t start = pci_resource_start(dev, bar); in pci_iomap_range()
37 resource_size_t len = pci_resource_len(dev, bar); in pci_iomap_range()
38 unsigned long flags = pci_resource_flags(dev, bar); in pci_iomap_range()
[all …]
/linux-6.12.1/drivers/pci/controller/cadence/
Dpcie-cadence-host.c185 * Set the root complex BAR configuration register: in cdns_pcie_host_init_root_port()
219 enum cdns_pcie_rp_bar bar, in cdns_pcie_host_bar_ib_config() argument
226 if (!rc->avail_ib_bar[bar]) in cdns_pcie_host_bar_ib_config()
229 rc->avail_ib_bar[bar] = false; in cdns_pcie_host_bar_ib_config()
235 cdns_pcie_writel(pcie, CDNS_PCIE_AT_IB_RP_BAR_ADDR0(bar), addr0); in cdns_pcie_host_bar_ib_config()
236 cdns_pcie_writel(pcie, CDNS_PCIE_AT_IB_RP_BAR_ADDR1(bar), addr1); in cdns_pcie_host_bar_ib_config()
238 if (bar == RP_NO_BAR) in cdns_pcie_host_bar_ib_config()
242 value &= ~(LM_RC_BAR_CFG_CTRL_MEM_64BITS(bar) | in cdns_pcie_host_bar_ib_config()
243 LM_RC_BAR_CFG_CTRL_PREF_MEM_64BITS(bar) | in cdns_pcie_host_bar_ib_config()
244 LM_RC_BAR_CFG_CTRL_MEM_32BITS(bar) | in cdns_pcie_host_bar_ib_config()
[all …]
/linux-6.12.1/tools/testing/selftests/bpf/prog_tests/
Dcgroup_attach_override.c8 #define BAR "/foo/bar/" macro
28 int drop_prog = -1, allow_prog = -1, foo = -1, bar = -1; in serial_test_cgroup_attach_override() local
55 bar = test__join_cgroup(BAR); in serial_test_cgroup_attach_override()
56 if (CHECK(bar < 0, "cgroup_join_bar", "cgroup setup failed\n")) in serial_test_cgroup_attach_override()
63 if (CHECK(bpf_prog_attach(allow_prog, bar, BPF_CGROUP_INET_EGRESS, in serial_test_cgroup_attach_override()
66 "attach prog to %s failed, errno=%d\n", BAR, errno)) in serial_test_cgroup_attach_override()
72 if (CHECK(bpf_prog_detach(bar, BPF_CGROUP_INET_EGRESS), in serial_test_cgroup_attach_override()
74 "detach prog from %s failed, errno=%d\n", BAR, errno)) in serial_test_cgroup_attach_override()
81 if (CHECK(bpf_prog_attach(allow_prog, bar, BPF_CGROUP_INET_EGRESS, in serial_test_cgroup_attach_override()
84 "attach prog to %s failed, errno=%d\n", BAR, errno)) in serial_test_cgroup_attach_override()
[all …]
/linux-6.12.1/drivers/net/ethernet/sfc/
Def100.c37 unsigned int bar; member
71 u32 bar = ef100_pci_get_bar_bits(efx, entry_location, EF100_BAR); in ef100_pci_parse_ef100_entry() local
74 "Found EF100 function control window bar=%d offset=0x%llx\n", in ef100_pci_parse_ef100_entry()
75 bar, offset); in ef100_pci_parse_ef100_entry()
83 if (bar == ESE_GZ_CFGBAR_EF100_BAR_NUM_EXPANSION_ROM || in ef100_pci_parse_ef100_entry()
84 bar == ESE_GZ_CFGBAR_EF100_BAR_NUM_INVALID) { in ef100_pci_parse_ef100_entry()
86 "Bad BAR value of %d in Xilinx capabilities EF100 entry.\n", in ef100_pci_parse_ef100_entry()
87 bar); in ef100_pci_parse_ef100_entry()
91 result->bar = bar; in ef100_pci_parse_ef100_entry()
97 static bool ef100_pci_does_bar_overflow(struct efx_nic *efx, int bar, in ef100_pci_does_bar_overflow() argument
[all …]
/linux-6.12.1/samples/trace_events/
Dtrace-events-sample.h70 * Here it is trace_foo_bar(char *foo, int bar).
73 * Here it is simply "foo, bar".
94 * __field_struct(struct bar, foo)
96 * __entry->bar.x = y;
108 * memcpy(__entry->foo, bar, 10);
119 * __dynamic_array( int, foo, bar) is similar to: int foo[bar];
124 * memcpy(__get_dynamic_array(foo), bar, 10);
135 * __string(foo, bar) is similar to: strcpy(foo, bar)
175 * __string_len(foo, bar, len)
186 * memcpy(__get_str(foo), bar, len);
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/linux-6.12.1/drivers/gpu/drm/xe/tests/
Dxe_args_test.c13 #define bar COUNT_ARGS(foo) in call_args_example() macro
16 KUNIT_EXPECT_EQ(test, bar, 1); in call_args_example()
20 #undef bar in call_args_example()
27 #define bar CALL_ARGS(COUNT_ARGS, DROP_FIRST_ARG(foo)) in drop_first_arg_example() macro
29 KUNIT_EXPECT_EQ(test, bar, 3); in drop_first_arg_example()
32 #undef bar in drop_first_arg_example()
40 #define bar FIRST_ARG(foo) in first_arg_example() macro
42 KUNIT_EXPECT_EQ(test, bar, X); in first_arg_example()
43 KUNIT_EXPECT_STREQ(test, __stringify(bar), "X"); in first_arg_example()
46 #undef bar in first_arg_example()
[all …]
/linux-6.12.1/arch/powerpc/platforms/powernv/
Dpci-sriov.c15 * the PHB maps MMIO addresses to a specific PE using the "Memory BAR Table".
24 * For a SR-IOV BAR things are a little more awkward since size and alignment
25 * are not coupled. The alignment is set based on the per-VF BAR size, but
26 * the total BAR area is: number-of-vfs * per-vf-size. The number of VFs
28 * we need to finesse (read: hack) the Linux BAR allocator so that it will
33 * so as a baseline we can assume that we have the following BAR modes
38 * a) A segmented BAR that splits the mapped range into $PE_COUNT equally sized
40 * b) An un-segmented BAR that maps the whole address range to a specific PE.
43 * We prefer to use mode a) since it only requires one MBT entry per SR-IOV BAR
44 * For comparison b) requires one entry per-VF per-BAR, or:
[all …]
/linux-6.12.1/drivers/xen/xen-pciback/
Dconf_space_header.c129 struct pci_bar_info *bar = data; in rom_write() local
131 if (unlikely(!bar)) { in rom_write()
140 bar->which = 1; in rom_write()
144 if (tmpval != bar->val && value == bar->val) { in rom_write()
145 /* Allow restoration of bar value. */ in rom_write()
146 pci_write_config_dword(dev, offset, bar->val); in rom_write()
148 bar->which = 0; in rom_write()
162 struct pci_bar_info *bar = data; in bar_write() local
167 if (unlikely(!bar)) { in bar_write()
182 bar->which = 1; in bar_write()
[all …]
/linux-6.12.1/drivers/dma/dw-edma/
Ddw-edma-pcie.c28 .bar = a, \
34 enum pci_barno bar; member
57 .rg.bar = BAR_0,
62 /* Channel 0 - BAR 2, offset 0 Mbytes, size 2 Kbytes */
64 /* Channel 1 - BAR 2, offset 2 Mbytes, size 2 Kbytes */
68 /* Channel 0 - BAR 2, offset 4 Mbytes, size 2 Kbytes */
70 /* Channel 1 - BAR 2, offset 6 Mbytes, size 2 Kbytes */
75 /* Channel 0 - BAR 2, offset 8 Mbytes, size 2 Kbytes */
77 /* Channel 1 - BAR 2, offset 9 Mbytes, size 2 Kbytes */
81 /* Channel 0 - BAR 2, offset 10 Mbytes, size 2 Kbytes */
[all …]
/linux-6.12.1/tools/perf/Documentation/
Dcallchain-overhead-calculation.txt28 void bar(void) {
34 bar()
39 In this case 'foo' is a child of 'bar', and 'bar' is an immediate
41 'main' is a parent of 'foo' and 'bar', and 'bar' is a parent of 'foo'.
43 Suppose all samples are recorded in 'foo' and 'bar' only. When it's
53 bar
57 40.00% bar
59 --- bar
65 child functions (i.e. 'foo' and 'bar') are added to the parents to
81 100.00% 40.00% bar
[all …]
/linux-6.12.1/sound/soc/sof/
Dops.h195 * snd_sof_dsp_get_bar_index - Maps a section type with a BAR index
200 * Returns the corresponding BAR index (a positive integer) or -EINVAL
317 static inline void snd_sof_dsp_write8(struct snd_sof_dev *sdev, u32 bar, in snd_sof_dsp_write8() argument
321 sof_ops(sdev)->write8(sdev, sdev->bar[bar] + offset, value); in snd_sof_dsp_write8()
323 writeb(value, sdev->bar[bar] + offset); in snd_sof_dsp_write8()
326 static inline void snd_sof_dsp_write(struct snd_sof_dev *sdev, u32 bar, in snd_sof_dsp_write() argument
330 sof_ops(sdev)->write(sdev, sdev->bar[bar] + offset, value); in snd_sof_dsp_write()
332 writel(value, sdev->bar[bar] + offset); in snd_sof_dsp_write()
335 static inline void snd_sof_dsp_write64(struct snd_sof_dev *sdev, u32 bar, in snd_sof_dsp_write64() argument
339 sof_ops(sdev)->write64(sdev, sdev->bar[bar] + offset, value); in snd_sof_dsp_write64()
[all …]
/linux-6.12.1/arch/csky/include/asm/
Dbarrier.h13 * bar.brwarws: ordering barrier for all load/store instructions
26 * bar.brw
27 * bar.br
28 * bar.bw
29 * bar.arw
30 * bar.ar
31 * bar.aw
32 * bar.brwarw
33 * bar.brarw
34 * bar.bwarw
[all …]
/linux-6.12.1/Documentation/devicetree/
Doverlay-notes.rst41 The overlay bar.dts,
44 ---- bar.dts - overlay target location by label ----------------------------
48 /* bar peripheral */
49 bar {
50 compatible = "corp,bar";
54 ---- bar.dts ---------------------------------------------------------------
56 when loaded (and resolved as described in [1]) should result in foo+bar.dts::
58 ---- foo+bar.dts -----------------------------------------------------------
59 /* FOO platform + bar peripheral */
72 /* bar peripheral */
[all …]
/linux-6.12.1/drivers/vfio/pci/
Dvfio_pci_rdwr.c208 int vfio_pci_core_setup_barmap(struct vfio_pci_core_device *vdev, int bar) in vfio_pci_core_setup_barmap() argument
214 if (vdev->barmap[bar]) in vfio_pci_core_setup_barmap()
217 ret = pci_request_selected_regions(pdev, 1 << bar, "vfio"); in vfio_pci_core_setup_barmap()
221 io = pci_iomap(pdev, bar, 0); in vfio_pci_core_setup_barmap()
223 pci_release_selected_regions(pdev, 1 << bar); in vfio_pci_core_setup_barmap()
227 vdev->barmap[bar] = io; in vfio_pci_core_setup_barmap()
238 int bar = VFIO_PCI_OFFSET_TO_INDEX(*ppos); in vfio_pci_bar_rw() local
242 struct resource *res = &vdev->pdev->resource[bar]; in vfio_pci_bar_rw()
245 if (pci_resource_start(pdev, bar)) in vfio_pci_bar_rw()
246 end = pci_resource_len(pdev, bar); in vfio_pci_bar_rw()
[all …]
/linux-6.12.1/arch/arm/mm/
Dpmsa-v8.c141 static int __init __pmsav8_setup_region(unsigned int number, u32 bar, u32 lar) in __pmsav8_setup_region() argument
150 prbar_write(bar); in __pmsav8_setup_region()
153 mpu_rgn_info.rgns[number].prbar = bar; in __pmsav8_setup_region()
163 u32 bar, lar; in pmsav8_setup_ram() local
168 bar = start; in pmsav8_setup_ram()
171 bar |= PMSAv8_AP_PL1RW_PL0RW | PMSAv8_RGN_SHARED; in pmsav8_setup_ram()
174 return __pmsav8_setup_region(number, bar, lar); in pmsav8_setup_ram()
179 u32 bar, lar; in pmsav8_setup_io() local
184 bar = start; in pmsav8_setup_io()
187 bar |= PMSAv8_AP_PL1RW_PL0RW | PMSAv8_RGN_SHARED | PMSAv8_BAR_XN; in pmsav8_setup_io()
[all …]
/linux-6.12.1/include/linux/
Dpnp.h60 unsigned int bar) in pnp_port_start() argument
62 struct resource *res = pnp_get_resource(dev, IORESOURCE_IO, bar); in pnp_port_start()
70 unsigned int bar) in pnp_port_end() argument
72 struct resource *res = pnp_get_resource(dev, IORESOURCE_IO, bar); in pnp_port_end()
80 unsigned int bar) in pnp_port_flags() argument
82 struct resource *res = pnp_get_resource(dev, IORESOURCE_IO, bar); in pnp_port_flags()
89 static inline int pnp_port_valid(struct pnp_dev *dev, unsigned int bar) in pnp_port_valid() argument
91 return pnp_resource_valid(pnp_get_resource(dev, IORESOURCE_IO, bar)); in pnp_port_valid()
95 unsigned int bar) in pnp_port_len() argument
97 struct resource *res = pnp_get_resource(dev, IORESOURCE_IO, bar); in pnp_port_len()
[all …]
/linux-6.12.1/drivers/pci/endpoint/
Dpci-epf-core.c214 * @bar: the BAR number corresponding to the register space
219 void pci_epf_free_space(struct pci_epf *epf, void *addr, enum pci_barno bar, in pci_epf_free_space() argument
231 epf_bar = epf->bar; in pci_epf_free_space()
238 dma_free_coherent(dev, epf_bar[bar].size, addr, in pci_epf_free_space()
239 epf_bar[bar].phys_addr); in pci_epf_free_space()
241 epf_bar[bar].phys_addr = 0; in pci_epf_free_space()
242 epf_bar[bar].addr = NULL; in pci_epf_free_space()
243 epf_bar[bar].size = 0; in pci_epf_free_space()
244 epf_bar[bar].barno = 0; in pci_epf_free_space()
245 epf_bar[bar].flags = 0; in pci_epf_free_space()
[all …]

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