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Searched refs:doorbells (Results 1 – 25 of 35) sorted by relevance

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/linux/Documentation/devicetree/bindings/interrupt-controller/
A Dmsi.txt16 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.
A Dmsi-controller.yaml15 number of doorbells.
23 and will not encode doorbells or payloads as these can be
/linux/drivers/ntb/
A DKconfig21 hardware doorbells. MSI interrupts typically offer lower latency
22 than doorbells and more MSI interrupts can be made available to
/linux/drivers/mailbox/
A Dtegra-hsp.c105 struct list_head doorbells; member
148 list_for_each_entry(entry, &hsp->doorbells, list) in __tegra_hsp_doorbell_get()
295 list_add_tail(&db->list, &hsp->doorbells); in tegra_hsp_doorbell_create()
654 INIT_LIST_HEAD(&hsp->doorbells); in tegra_hsp_probe()
801 list_for_each_entry(db, &hsp->doorbells, list) { in tegra_hsp_resume()
/linux/Documentation/devicetree/bindings/mailbox/
A Dnvidia,tegra186-hsp.txt10 arbitrated semaphores and doorbells.
39 For doorbells, the second cell specifies the index of the doorbell to use.
A Darm,mhuv2.yaml37 bits in a channel window. A channel window can support up to 32 doorbells
119 windows are used in doorbell protocol (64 doorbells), followed by 1, 5 and
/linux/drivers/net/ethernet/qlogic/qed/
A Dqed_vf.c468 if (!p_hwfn->doorbells) { in qed_vf_hw_prepare()
469 p_hwfn->doorbells = (u8 __iomem *)p_hwfn->regview + in qed_vf_hw_prepare()
484 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()
876 *pp_doorbell = (u8 __iomem *)p_hwfn->doorbells + resp->offset; in qed_vf_pf_txq_start()
880 *pp_doorbell = (u8 __iomem *)p_hwfn->doorbells + in qed_vf_pf_txq_start()
A Dqed.h545 void __iomem *doorbells; member
760 void __iomem *doorbells; member
968 ((cdev)->doorbells) + (db_addr)))
A Dqed_spq.c524 db_addr = (void __iomem *)((u8 __iomem *)p_hwfn->doorbells + in qed_spq_setup()
594 db_addr = (void __iomem *)((u8 __iomem *)p_hwfn->doorbells + in qed_spq_free()
A Dqed_dev.c88 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()
4660 p_hwfn->doorbells = p_doorbells; in qed_hw_prepare_single()
4757 cdev->doorbells, in qed_hw_prepare()
4779 p_doorbell = cdev->doorbells + offset; in qed_hw_prepare()
A Dqed_main.c285 if (cdev->doorbells && cdev->db_size) in qed_free_pci()
286 iounmap(cdev->doorbells); in qed_free_pci()
380 cdev->doorbells = ioremap_wc(cdev->db_phys_addr, cdev->db_size); in qed_init_pci()
382 if (!cdev->doorbells) { in qed_init_pci()
A Dqed_nvmetcp.c448 return (u8 __iomem *)p_hwfn->doorbells + in qed_nvmetcp_get_db_addr()
/linux/Documentation/PCI/endpoint/function/binding/
A Dpci-ntb.rst31 db_count Number of doorbells; default = 4
/linux/drivers/virt/
A DKconfig26 2) A file interface to reading incoming doorbells.
/linux/drivers/ntb/test/
A DKconfig6 doorbells of the ntb hardware. This driver may be used to test that
/linux/Documentation/networking/device_drivers/ethernet/google/
A Dgve.rst33 - Bar2 - IRQ, RX and TX doorbells
141 doorbells to notify the device of new descriptors.
/linux/Documentation/admin-guide/
A Drapidio.rst40 resources, and manage mailboxes/doorbells.
/linux/drivers/net/ethernet/amazon/ena/
A Dena_netdev.h204 u64 doorbells; member
A Dena_ethtool.c71 ENA_STAT_TX_ENTRY(doorbells),
/linux/Documentation/driver-api/rapidio/
A Dmport_cdev.rst41 - Query/Control type of events reported through this driver: doorbells,
A Dtsi721.rst10 doorbells, inbound maintenance port-writes and RapidIO messaging.
/linux/drivers/rapidio/devices/
A Drio_mport_cdev.c172 struct list_head doorbells; member
1412 list_for_each_entry(db_filter, &data->doorbells, data_node) { in rio_mport_doorbell_handler()
1463 list_add_tail(&db_filter->data_node, &md->doorbells); in rio_mport_add_db_filter()
2388 INIT_LIST_HEAD(&md->doorbells); in mport_cdev_add()
/linux/drivers/scsi/
A Dpmcraid.c577 u32 doorbells, intrs; in pmcraid_start_bist() local
582 doorbells = ioread32(pinstance->int_regs.host_ioa_interrupt_reg); in pmcraid_start_bist()
585 doorbells, intrs); in pmcraid_start_bist()
639 u32 doorbells; in pmcraid_reset_alert() local
663 doorbells = in pmcraid_reset_alert()
665 pmcraid_info("doorbells after reset alert: %x\n", doorbells); in pmcraid_reset_alert()
/linux/Documentation/driver-api/pci/
A Dp2pdma.rst80 this to include other types of resources like doorbells.
/linux/drivers/net/ethernet/broadcom/bnx2x/
A Dbnx2x.h774 writel_relaxed((u32)(val), (bp)->doorbells + ((bp)->db_size * (cid)))
1354 void __iomem *doorbells; member

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