| /linux/Documentation/devicetree/bindings/interrupt-controller/ |
| H A D | msi.txt | 16 Devices may be configured by software to write to arbitrary doorbells which
17 they can address. An MSI controller may feature a number of doorbells.
35 address by some master. An MSI controller may feature a number of doorbells.
48 not encode doorbells or payloads as these can be configured dynamically.
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| /linux/drivers/gpu/drm/amd/amdkfd/ |
| H A D | kfd_doorbell.c | 86 &kfd->doorbells, in kfd_doorbell_init()
102 amdgpu_bo_free_kernel(&kfd->doorbells, NULL, in kfd_doorbell_fini()
165 kfd->doorbells, in kfd_get_kernel_doorbell()
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| /linux/drivers/ntb/ |
| H A D | Kconfig | 21 hardware doorbells. MSI interrupts typically offer lower latency
22 than doorbells and more MSI interrupts can be made available to
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| /linux/Documentation/PCI/endpoint/function/binding/ |
| H A D | pci-ntb.rst | 31 db_count Number of doorbells; default = 4
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| /linux/drivers/net/ethernet/qlogic/qed/ |
| H A D | qed_vf.c | 465 if (!p_hwfn->doorbells) { in qed_vf_hw_prepare()
466 p_hwfn->doorbells = (u8 __iomem *)p_hwfn->regview + in qed_vf_hw_prepare()
481 p_hwfn->doorbells = (u8 __iomem *) in qed_vf_hw_prepare()
544 p_hwfn->doorbells = (u8 __iomem *)p_hwfn->regview + in qed_vf_hw_prepare()
551 p_hwfn->regview, p_hwfn->doorbells, p_hwfn->cdev->doorbells); in qed_vf_hw_prepare()
880 *pp_doorbell = (u8 __iomem *)p_hwfn->doorbells + resp->offset; in qed_vf_pf_txq_start()
884 *pp_doorbell = (u8 __iomem *)p_hwfn->doorbells + in qed_vf_pf_txq_start()
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| H A D | qed_spq.c | 540 db_addr = (void __iomem *)((u8 __iomem *)p_hwfn->doorbells + in qed_spq_setup()
610 db_addr = (void __iomem *)((u8 __iomem *)p_hwfn->doorbells + in qed_spq_free()
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| H A D | qed_dev.c | 88 if (db_addr < cdev->doorbells || in qed_db_rec_sanity()
90 (u8 __iomem *)cdev->doorbells + cdev->db_size) { in qed_db_rec_sanity()
94 cdev->doorbells, in qed_db_rec_sanity()
95 (u8 __iomem *)cdev->doorbells + cdev->db_size); in qed_db_rec_sanity()
116 p_hwfn = db_addr < cdev->hwfns[1].doorbells ? in qed_db_rec_find_hwfn()
4644 p_hwfn->doorbells = p_doorbells; in qed_hw_prepare_single()
4741 cdev->doorbells, in qed_hw_prepare()
4763 p_doorbell = cdev->doorbells + offset; in qed_hw_prepare()
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| H A D | qed_nvmetcp.c | 448 return (u8 __iomem *)p_hwfn->doorbells + in qed_nvmetcp_get_db_addr()
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| H A D | qed_fcoe.c | 501 return (u8 __iomem *)p_hwfn->doorbells + in qed_fcoe_get_db_addr()
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| H A D | qed_ll2.c | 1670 p_rx->set_prod_addr = p_hwfn->doorbells + in qed_ll2_establish_connection()
1682 p_tx->doorbell_addr = (u8 __iomem *)p_hwfn->doorbells + in qed_ll2_establish_connection()
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| H A D | qed_iscsi.c | 622 return (u8 __iomem *)p_hwfn->doorbells + in qed_iscsi_get_db_addr()
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| H A D | qed_rdma.c | 780 out_params->dpi_addr = p_hwfn->doorbells + dpi_start_offset + in qed_rdma_add_user()
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| /linux/drivers/net/ethernet/amazon/ena/ |
| H A D | ena_netdev.h | 191 u64 doorbells; member
444 ena_increase_stat(&tx_ring->tx_stats.doorbells, 1, &tx_ring->syncp); in ena_ring_tx_doorbell()
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| /linux/drivers/ntb/test/ |
| H A D | Kconfig | 6 doorbells of the ntb hardware. This driver may be used to test that
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| /linux/drivers/virt/ |
| H A D | Kconfig | 36 2) A file interface to reading incoming doorbells.
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| /linux/Documentation/admin-guide/ |
| H A D | rapidio.rst | 40 resources, and manage mailboxes/doorbells.
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| /linux/Documentation/networking/device_drivers/ethernet/google/ |
| H A D | gve.rst | 33 - Bar2 - IRQ, RX and TX doorbells
150 doorbells to notify the device of new descriptors.
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| /linux/Documentation/driver-api/rapidio/ |
| H A D | mport_cdev.rst | 41 - Query/Control type of events reported through this driver: doorbells,
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| H A D | tsi721.rst | 10 doorbells, inbound maintenance port-writes and RapidIO messaging.
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| H A D | rapidio.rst | 39 resources such as mailboxes and doorbells. The rio_mport also includes a unique
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| /linux/drivers/rapidio/devices/ |
| H A D | rio_mport_cdev.c | 152 struct list_head doorbells; member
1394 list_for_each_entry(db_filter, &data->doorbells, data_node) { in rio_mport_doorbell_handler()
1445 list_add_tail(&db_filter->data_node, &md->doorbells); in rio_mport_add_db_filter()
2374 INIT_LIST_HEAD(&md->doorbells); in mport_cdev_add()
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| /linux/drivers/scsi/ |
| H A D | pmcraid.c | 580 u32 doorbells, intrs; in pmcraid_start_bist() local
585 doorbells = ioread32(pinstance->int_regs.host_ioa_interrupt_reg); in pmcraid_start_bist()
588 doorbells, intrs); in pmcraid_start_bist()
642 u32 doorbells; in pmcraid_reset_alert() local
666 doorbells = in pmcraid_reset_alert()
668 pmcraid_info("doorbells after reset alert: %x\n", doorbells); in pmcraid_reset_alert()
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| /linux/Documentation/driver-api/pci/ |
| H A D | p2pdma.rst | 106 this to include other types of resources like doorbells.
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| /linux/drivers/net/ethernet/broadcom/bnx2x/ |
| H A D | bnx2x.h | 774 writel_relaxed((u32)(val), (bp)->doorbells + ((bp)->db_size * (cid)))
1354 void __iomem *doorbells; member
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| /linux/Documentation/arch/x86/ |
| H A D | sva.rst | 188 consider doorbells as a mechanism of informing hardware about work to process.
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