| /Linux-v5.10/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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| /Linux-v5.10/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 | 963 u32 doorbell; in esas2r_check_adapter() local
989 doorbell = esas2r_read_register_dword(a, MU_DOORBELL_OUT); in esas2r_check_adapter()
990 if (doorbell == 0xFFFFFFFF) { in esas2r_check_adapter()
998 } else if (doorbell & DRBL_FORCE_INT) { in esas2r_check_adapter()
999 u32 ver = (doorbell & DRBL_FW_VER_MSK); in esas2r_check_adapter()
1006 doorbell); in esas2r_check_adapter()
1041 doorbell = esas2r_read_register_dword(a, MU_DOORBELL_OUT); in esas2r_check_adapter()
1042 if (doorbell & DRBL_MSG_IFC_DOWN) { in esas2r_check_adapter()
1044 doorbell); in esas2r_check_adapter()
1130 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-v5.10/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-v5.10/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-v5.10/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-v5.10/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-v5.10/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-v5.10/include/trace/events/ |
| D | ufs.h | 217 u32 doorbell, int transfer_len, u32 intr, u64 lba,
220 TP_ARGS(dev_name, str, tag, doorbell, transfer_len, intr, lba, opcode),
226 __field(u32, doorbell)
237 __entry->doorbell = doorbell;
247 __entry->doorbell, __entry->transfer_len,
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| /Linux-v5.10/arch/mips/include/asm/octeon/ |
| 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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| 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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| /Linux-v5.10/drivers/usb/host/ |
| D | xhci-trace.h | 553 TP_PROTO(u32 slot, u32 doorbell),
554 TP_ARGS(slot, doorbell),
557 __field(u32, doorbell)
561 __entry->doorbell = doorbell;
564 xhci_decode_doorbell(__entry->slot, __entry->doorbell)
569 TP_PROTO(u32 slot, u32 doorbell),
570 TP_ARGS(slot, doorbell)
574 TP_PROTO(u32 slot, u32 doorbell),
575 TP_ARGS(slot, doorbell)
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| /Linux-v5.10/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-v5.10/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-v5.10/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-v5.10/drivers/net/wireless/ath/ath11k/ |
| D | mhi.c | 22 .doorbell = MHI_DB_BRST_DISABLE,
37 .doorbell = MHI_DB_BRST_DISABLE,
52 .doorbell = MHI_DB_BRST_DISABLE,
67 .doorbell = MHI_DB_BRST_DISABLE,
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| /Linux-v5.10/drivers/net/ethernet/mellanox/mlx5/core/lib/ |
| D | eq.h | 27 __be32 __iomem *doorbell; member
64 __be32 __iomem *addr = eq->doorbell + (arm ? 0 : 2); in eq_update_ci()
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| /Linux-v5.10/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-v5.10/arch/mips/cavium-octeon/executive/ |
| D | cvmx-cmd-queue.c | 265 return debug9.cn38xx.doorbell; in cvmx_cmd_queue_length()
269 return debug8.cn50xx.doorbell; in cvmx_cmd_queue_length()
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| /Linux-v5.10/drivers/gpu/drm/nouveau/include/nvif/ |
| D | user.h | 12 void (*doorbell)(struct nvif_user *, u32 token); member
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| /Linux-v5.10/drivers/infiniband/hw/mlx4/ |
| D | Makefile | 4 mlx4_ib-y := ah.o cq.o doorbell.o mad.o main.o mr.o qp.o srq.o mcg.o cm.o alias_GUID.o sysfs.o
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| /Linux-v5.10/drivers/scsi/smartpqi/ |
| D | smartpqi_sis.c | 163 u32 doorbell; in sis_send_sync_cmd() local
202 doorbell = readl(®isters->sis_ctrl_to_host_doorbell); in sis_send_sync_cmd()
203 if (doorbell & SIS_CMD_COMPLETE) in sis_send_sync_cmd()
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| /Linux-v5.10/Documentation/networking/device_drivers/ethernet/google/ |
| D | gve.rst | 69 the value written to the doorbell, or until a timeout.
107 doorbell located in Bar2. The tail pointers are advanced by consuming
108 descriptors in-order and updating a __be32 counter. Both the doorbell
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