| /Linux-v5.15/drivers/mailbox/ |
| D | arm_mhu_db.c | 56 unsigned int doorbell; member
61 unsigned int doorbell) in mhu_db_mbox_to_channel() argument
69 chan_info->doorbell == doorbell) in mhu_db_mbox_to_channel()
81 writel_relaxed(BIT(chan_info->doorbell), base + INTR_CLR_OFS); in mhu_db_mbox_clear_irq()
98 unsigned int doorbell; in mhu_db_mbox_irq_to_channel() local
109 for (doorbell = 0; bits; doorbell++) { in mhu_db_mbox_irq_to_channel()
110 if (!test_and_clear_bit(doorbell, &bits)) in mhu_db_mbox_irq_to_channel()
113 chan = mhu_db_mbox_to_channel(mbox, pchan, doorbell); in mhu_db_mbox_irq_to_channel()
118 pchan, doorbell); in mhu_db_mbox_irq_to_channel()
143 if (readl_relaxed(base + INTR_STAT_OFS) & BIT(chan_info->doorbell)) in mhu_db_last_tx_done()
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| D | pcc.c | 327 struct acpi_generic_address *doorbell; in pcc_send_data() local
339 doorbell = &pcct_ss->doorbell_register; in pcc_send_data()
346 doorbell->bit_width); in pcc_send_data()
351 doorbell->bit_width); in pcc_send_data()
353 ret = acpi_read(&doorbell_val, doorbell); in pcc_send_data()
357 doorbell); in pcc_send_data()
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| D | arm_mhuv2.c | 234 u32 doorbell; member
264 writel_relaxed(BIT(priv->doorbell), in mhuv2_doorbell_rx_startup()
274 writel_relaxed(BIT(priv->doorbell), in mhuv2_doorbell_rx_shutdown()
282 writel_relaxed(BIT(priv->doorbell), in mhuv2_doorbell_read_data()
293 BIT(priv->doorbell)); in mhuv2_doorbell_last_tx_done()
305 writel_relaxed(BIT(priv->doorbell), in mhuv2_doorbell_send_data()
795 int channel = 0, i, offset, doorbell, protocol, windows; in mhuv2_mbox_of_xlate() local
801 doorbell = pa->args[1]; in mhuv2_mbox_of_xlate()
802 if (doorbell >= MHUV2_STAT_BITS) in mhuv2_mbox_of_xlate()
811 return &chans[channel + MHUV2_STAT_BITS * offset + doorbell]; in mhuv2_mbox_of_xlate()
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| /Linux-v5.15/drivers/scsi/esas2r/ |
| D | esas2r_int.c | 48 static void esas2r_doorbell_interrupt(struct esas2r_adapter *a, u32 doorbell);
59 u32 doorbell; in esas2r_polled_interrupt() local
76 doorbell = esas2r_read_register_dword(a, MU_DOORBELL_OUT); in esas2r_polled_interrupt()
77 if (doorbell != 0) in esas2r_polled_interrupt()
78 esas2r_doorbell_interrupt(a, doorbell); in esas2r_polled_interrupt()
107 u32 doorbell; in esas2r_adapter_interrupt() local
118 doorbell = esas2r_read_register_dword(a, MU_DOORBELL_OUT); in esas2r_adapter_interrupt()
119 if (doorbell != 0) in esas2r_adapter_interrupt()
120 esas2r_doorbell_interrupt(a, doorbell); in esas2r_adapter_interrupt()
135 u32 doorbell; in esas2r_msi_interrupt() local
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| D | esas2r_init.c | 940 u32 doorbell; in esas2r_check_adapter() local
966 doorbell = esas2r_read_register_dword(a, MU_DOORBELL_OUT); in esas2r_check_adapter()
967 if (doorbell == 0xFFFFFFFF) { in esas2r_check_adapter()
975 } else if (doorbell & DRBL_FORCE_INT) { in esas2r_check_adapter()
976 u32 ver = (doorbell & DRBL_FW_VER_MSK); in esas2r_check_adapter()
983 doorbell); in esas2r_check_adapter()
1018 doorbell = esas2r_read_register_dword(a, MU_DOORBELL_OUT); in esas2r_check_adapter()
1019 if (doorbell & DRBL_MSG_IFC_DOWN) { in esas2r_check_adapter()
1021 doorbell); in esas2r_check_adapter()
1107 doorbell = esas2r_read_register_dword(a, MU_DOORBELL_OUT); in esas2r_check_adapter()
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| D | esas2r_io.c | 679 u32 doorbell; in esas2r_handle_pending_reset() local
681 doorbell = esas2r_read_register_dword(a, MU_DOORBELL_OUT); in esas2r_handle_pending_reset()
682 if (doorbell == 0xFFFFFFFF || !(doorbell & DRBL_FORCE_INT)) { in esas2r_handle_pending_reset()
685 u32 ver = (doorbell & DRBL_FW_VER_MSK); in esas2r_handle_pending_reset()
689 doorbell); in esas2r_handle_pending_reset()
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| /Linux-v5.15/drivers/gpu/drm/radeon/ |
| D | radeon_device.c | 340 rdev->doorbell.base = pci_resource_start(rdev->pdev, 2); in radeon_doorbell_init()
341 rdev->doorbell.size = pci_resource_len(rdev->pdev, 2); in radeon_doorbell_init()
343 rdev->doorbell.num_doorbells = min_t(u32, rdev->doorbell.size / sizeof(u32), RADEON_MAX_DOORBELLS); in radeon_doorbell_init()
344 if (rdev->doorbell.num_doorbells == 0) in radeon_doorbell_init()
347 rdev->doorbell.ptr = ioremap(rdev->doorbell.base, rdev->doorbell.num_doorbells * sizeof(u32)); in radeon_doorbell_init()
348 if (rdev->doorbell.ptr == NULL) { in radeon_doorbell_init()
351 DRM_INFO("doorbell mmio base: 0x%08X\n", (uint32_t)rdev->doorbell.base); in radeon_doorbell_init()
352 DRM_INFO("doorbell mmio size: %u\n", (unsigned)rdev->doorbell.size); in radeon_doorbell_init()
354 memset(&rdev->doorbell.used, 0, sizeof(rdev->doorbell.used)); in radeon_doorbell_init()
368 iounmap(rdev->doorbell.ptr); in radeon_doorbell_fini()
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| /Linux-v5.15/drivers/cpufreq/ |
| D | pcc-cpufreq.c | 97 static struct acpi_generic_address doorbell; variable
123 acpi_read(&doorbell_value, &doorbell); in pcc_cmd()
125 &doorbell); in pcc_cmd()
487 doorbell.space_id = reg_resource->space_id; in pcc_cpufreq_probe()
488 doorbell.bit_width = reg_resource->bit_width; in pcc_cpufreq_probe()
489 doorbell.bit_offset = reg_resource->bit_offset; in pcc_cpufreq_probe()
490 doorbell.access_width = 4; in pcc_cpufreq_probe()
491 doorbell.address = reg_resource->address; in pcc_cpufreq_probe()
495 doorbell.space_id, doorbell.bit_width, doorbell.bit_offset, in pcc_cpufreq_probe()
496 doorbell.access_width, reg_resource->address); in pcc_cpufreq_probe()
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| /Linux-v5.15/include/linux/mfd/ |
| D | intel-m10-bmc.h | 90 #define rsu_prog(doorbell) FIELD_GET(DRBL_RSU_PROGRESS, doorbell) argument
91 #define rsu_stat(doorbell) FIELD_GET(DRBL_RSU_STATUS, doorbell) argument
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| /Linux-v5.15/include/linux/mlx4/ |
| D | cq.h | 151 __be32 doorbell[2]; in mlx4_cq_arm() local
166 doorbell[0] = cpu_to_be32(sn << 28 | cmd | cq->cqn); in mlx4_cq_arm()
167 doorbell[1] = cpu_to_be32(ci); in mlx4_cq_arm()
169 mlx4_write64(doorbell, uar_page + MLX4_CQ_DOORBELL, doorbell_lock); in mlx4_cq_arm()
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| /Linux-v5.15/Documentation/driver-api/ |
| D | ntb.rst | 7 fabric. Existing NTB hardware supports a common feature set: doorbell
138 The Ping Pong test client serves as a demonstration to exercise the doorbell
141 then proceeds to read and write the doorbell scratchpad registers of the NTB.
142 The peers interrupt each other using a bit mask of doorbell bits, which is
143 shifted by one in each round, to test the behavior of multiple doorbell bits
146 round before writing the peer doorbell register.
150 * unsafe - Some hardware has known issues with scratchpad and doorbell
154 * delay\_ms - Specify the delay between receiving a doorbell
155 interrupt event and setting the peer doorbell register for the next
157 * init\_db - Specify the doorbell bits to start new series of rounds. A new
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| /Linux-v5.15/drivers/net/wireless/ath/ath11k/ |
| D | mhi.c | 23 .doorbell = MHI_DB_BRST_DISABLE,
37 .doorbell = MHI_DB_BRST_DISABLE,
51 .doorbell = MHI_DB_BRST_DISABLE,
65 .doorbell = MHI_DB_BRST_DISABLE,
116 .doorbell = MHI_DB_BRST_DISABLE,
130 .doorbell = MHI_DB_BRST_DISABLE,
144 .doorbell = MHI_DB_BRST_DISABLE,
158 .doorbell = MHI_DB_BRST_DISABLE,
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| /Linux-v5.15/include/linux/mlx5/ |
| D | cq.h | 155 __be32 doorbell[2]; in mlx5_cq_arm() local
169 doorbell[0] = cpu_to_be32(sn << 28 | cmd | ci); in mlx5_cq_arm()
170 doorbell[1] = cpu_to_be32(cq->cqn); in mlx5_cq_arm()
172 mlx5_write64(doorbell, uar_page + MLX5_CQ_DOORBELL); in mlx5_cq_arm()
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| /Linux-v5.15/arch/mips/include/asm/octeon/ |
| D | cvmx-pko-defs.h | 797 uint64_t doorbell:20; member
809 uint64_t doorbell:20;
817 uint64_t doorbell:20; member
831 uint64_t doorbell:20;
843 uint64_t doorbell:20; member
857 uint64_t doorbell:20;
869 uint64_t doorbell:20; member
883 uint64_t doorbell:20;
906 uint64_t doorbell:20; member
916 uint64_t doorbell:20;
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| D | cvmx-pko.h | 120 uint64_t doorbell; member
607 status->doorbell = debug9.cn38xx.doorbell; in cvmx_pko_get_port_status()
613 status->doorbell = debug8.cn50xx.doorbell; in cvmx_pko_get_port_status()
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| /Linux-v5.15/drivers/irqchip/ |
| D | irq-loongson-pch-msi.c | 20 phys_addr_t doorbell; member
79 msg->address_hi = upper_32_bits(priv->doorbell); in pch_msi_compose_msi_msg()
80 msg->address_lo = lower_32_bits(priv->doorbell); in pch_msi_compose_msi_msg()
212 priv->doorbell = res.start; in pch_msi_init()
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| /Linux-v5.15/Documentation/PCI/endpoint/ |
| D | pci-ntb-function.rst | 113 CMD_CONFIGURE_DOORBELL (0x1): Command to configure doorbell. Before
155 same BAR. The initial portion of the region will have doorbell
178 in order to raise doorbell. EPF NTB can use either MSI or MSI-X to
179 ring doorbell (MSI-X support will be added later). MSI uses same
192 will ensure there is no difference while raising the doorbell.
198 for raising doorbell interrupt. This will be populated by EPF NTB
228 scratchpad, doorbell, one or more memory windows) to be modeled to achieve
335 Above diagram shows how the doorbell and memory window 1 is mapped so that
336 HOST1 can raise doorbell interrupt on HOST2 and also how HOST1 can access
337 buffers exposed by HOST2 using memory window1 (MW1). Here doorbell and
[all …]
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| /Linux-v5.15/drivers/usb/host/ |
| D | xhci-trace.h | 556 TP_PROTO(u32 slot, u32 doorbell),
557 TP_ARGS(slot, doorbell),
560 __field(u32, doorbell)
565 __entry->doorbell = doorbell;
568 xhci_decode_doorbell(__get_str(str), __entry->slot, __entry->doorbell)
573 TP_PROTO(u32 slot, u32 doorbell),
574 TP_ARGS(slot, doorbell)
578 TP_PROTO(u32 slot, u32 doorbell),
579 TP_ARGS(slot, doorbell)
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| /Linux-v5.15/Documentation/devicetree/bindings/powerpc/fsl/ |
| D | srio-rmu.txt | 23 and doorbell units.
33 (msg-unit, doorbell, port-write).
54 and doorbell units.
84 and doorbell units.
114 and doorbell units.
151 doorbell-unit@400 {
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| /Linux-v5.15/include/trace/events/ |
| D | ufs.h | 271 unsigned int tag, u32 doorbell, int transfer_len, u32 intr,
274 TP_ARGS(dev_name, str_t, tag, doorbell, transfer_len,
281 __field(u32, doorbell)
293 __entry->doorbell = doorbell;
304 __entry->tag, __entry->doorbell, __entry->transfer_len,
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| /Linux-v5.15/drivers/virt/ |
| D | fsl_hypervisor.c | 323 param.ret = ev_doorbell_send(param.doorbell); in ioctl_doorbell()
482 uint32_t doorbell; /* The doorbell handle */ member
489 static void fsl_hv_queue_doorbell(uint32_t doorbell) in fsl_hv_queue_doorbell() argument
499 dbq->q[dbq->tail] = doorbell; in fsl_hv_queue_doorbell()
557 fsl_hv_queue_doorbell(dbisr->doorbell); in fsl_hv_state_change_isr()
856 dbisr->doorbell = be32_to_cpup(handle); in fsl_hypervisor_init()
895 dbisr->doorbell); in fsl_hypervisor_init()
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| /Linux-v5.15/drivers/bus/mhi/ |
| D | pci_generic.c | 59 .doorbell = MHI_DB_BRST_DISABLE, \
74 .doorbell = MHI_DB_BRST_DISABLE, \
89 .doorbell = MHI_DB_BRST_DISABLE, \
118 .doorbell = MHI_DB_BRST_ENABLE, \
133 .doorbell = MHI_DB_BRST_ENABLE, \
148 .doorbell = MHI_DB_BRST_DISABLE, \
163 .doorbell = MHI_DB_BRST_DISABLE, \
178 .doorbell = MHI_DB_BRST_DISABLE, \
193 .doorbell = MHI_DB_BRST_DISABLE, \
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| /Linux-v5.15/Documentation/devicetree/bindings/mailbox/ |
| D | nvidia,tegra186-hsp.txt | 24 - "doorbell"
39 For doorbells, the second cell specifies the index of the doorbell to use.
65 interrupt-names = "doorbell";
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| /Linux-v5.15/drivers/net/ethernet/mellanox/mlx5/core/lib/ |
| D | eq.h | 29 __be32 __iomem *doorbell; member
70 __be32 __iomem *addr = eq->doorbell + (arm ? 0 : 2); in eq_update_ci()
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| /Linux-v5.15/arch/mips/cavium-octeon/executive/ |
| D | cvmx-cmd-queue.c | 252 return debug9.cn38xx.doorbell; in cvmx_cmd_queue_length()
256 return debug8.cn50xx.doorbell; in cvmx_cmd_queue_length()
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