| /Linux-v4.19/drivers/pci/controller/ |
| D | pcie-iproc-msi.c | 62 struct iproc_msi *msi; member
128 static inline u32 iproc_msi_read_reg(struct iproc_msi *msi, in iproc_msi_read_reg() argument
132 struct iproc_pcie *pcie = msi->pcie; in iproc_msi_read_reg()
134 return readl_relaxed(pcie->base + msi->reg_offsets[eq][reg]); in iproc_msi_read_reg()
137 static inline void iproc_msi_write_reg(struct iproc_msi *msi, in iproc_msi_write_reg() argument
141 struct iproc_pcie *pcie = msi->pcie; in iproc_msi_write_reg()
143 writel_relaxed(val, pcie->base + msi->reg_offsets[eq][reg]); in iproc_msi_write_reg()
146 static inline u32 hwirq_to_group(struct iproc_msi *msi, unsigned long hwirq) in hwirq_to_group() argument
148 return (hwirq % msi->nr_irqs); in hwirq_to_group()
151 static inline unsigned int iproc_msi_addr_offset(struct iproc_msi *msi, in iproc_msi_addr_offset() argument
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| D | pcie-altera-msi.c | 40 static inline void msi_writel(struct altera_msi *msi, const u32 value, in msi_writel() argument
43 writel_relaxed(value, msi->csr_base + reg); in msi_writel()
46 static inline u32 msi_readl(struct altera_msi *msi, const u32 reg) in msi_readl() argument
48 return readl_relaxed(msi->csr_base + reg); in msi_readl()
54 struct altera_msi *msi; in altera_msi_isr() local
60 msi = irq_desc_get_handler_data(desc); in altera_msi_isr()
62 while ((status = msi_readl(msi, MSI_STATUS)) != 0) { in altera_msi_isr()
63 for_each_set_bit(bit, &status, msi->num_of_vectors) { in altera_msi_isr()
65 readl_relaxed(msi->vector_base + (bit * sizeof(u32))); in altera_msi_isr()
67 virq = irq_find_mapping(msi->inner_domain, bit); in altera_msi_isr()
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| D | pci-xgene-msi.c | 27 struct xgene_msi *msi; member
94 static u32 xgene_msi_ir_read(struct xgene_msi *msi, in xgene_msi_ir_read() argument
97 return readl_relaxed(msi->msi_regs + MSI_IR0 + in xgene_msi_ir_read()
102 static u32 xgene_msi_int_read(struct xgene_msi *msi, u32 msi_grp) in xgene_msi_int_read() argument
104 return readl_relaxed(msi->msi_regs + MSI_INT0 + (msi_grp << 16)); in xgene_msi_int_read()
143 struct xgene_msi *msi = irq_data_get_irq_chip_data(data); in xgene_compose_msi_msg() local
146 u64 target_addr = msi->msi_addr + (((8 * group) + reg_set) << 16); in xgene_compose_msi_msg()
197 struct xgene_msi *msi = domain->host_data; in xgene_irq_domain_alloc() local
200 mutex_lock(&msi->bitmap_lock); in xgene_irq_domain_alloc()
202 msi_irq = bitmap_find_next_zero_area(msi->bitmap, NR_MSI_VEC, 0, in xgene_irq_domain_alloc()
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| D | pcie-rcar.c | 152 struct rcar_msi msi; member
473 bridge->msi = &pcie->msi.chip; in rcar_pcie_enable()
692 int msi; in rcar_msi_alloc() local
696 msi = find_first_zero_bit(chip->used, INT_PCI_MSI_NR); in rcar_msi_alloc()
697 if (msi < INT_PCI_MSI_NR) in rcar_msi_alloc()
698 set_bit(msi, chip->used); in rcar_msi_alloc()
700 msi = -ENOSPC; in rcar_msi_alloc()
704 return msi; in rcar_msi_alloc()
709 int msi; in rcar_msi_alloc_region() local
712 msi = bitmap_find_free_region(chip->used, INT_PCI_MSI_NR, in rcar_msi_alloc_region()
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| D | pcie-xilinx-nwl.c | 170 struct nwl_msi msi; member
346 struct nwl_msi *msi; in nwl_pcie_handle_msi_irq() local
351 msi = &pcie->msi; in nwl_pcie_handle_msi_irq()
356 virq = irq_find_mapping(msi->dev_domain, bit); in nwl_pcie_handle_msi_irq()
481 struct nwl_msi *msi = &pcie->msi; in nwl_irq_domain_alloc() local
485 mutex_lock(&msi->lock); in nwl_irq_domain_alloc()
486 bit = bitmap_find_next_zero_area(msi->bitmap, INT_PCI_MSI_NR, 0, in nwl_irq_domain_alloc()
489 mutex_unlock(&msi->lock); in nwl_irq_domain_alloc()
493 bitmap_set(msi->bitmap, bit, nr_irqs); in nwl_irq_domain_alloc()
500 mutex_unlock(&msi->lock); in nwl_irq_domain_alloc()
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| D | pcie-mobiveil.c | 145 struct mobiveil_msi msi; member
224 struct mobiveil_msi *msi = &pcie->msi; in mobiveil_pcie_isr() local
285 virq = irq_find_mapping(msi->dev_domain, msi_data); in mobiveil_pcie_isr()
486 struct mobiveil_msi *msi = &pcie->msi; in mobiveil_pcie_enable_msi() local
488 pcie->msi.num_of_vectors = PCI_NUM_MSI; in mobiveil_pcie_enable_msi()
489 msi->msi_pages_phys = (phys_addr_t)msg_addr; in mobiveil_pcie_enable_msi()
666 struct mobiveil_msi *msi = &pcie->msi; in mobiveil_irq_msi_domain_alloc() local
670 mutex_lock(&msi->lock); in mobiveil_irq_msi_domain_alloc()
672 bit = find_first_zero_bit(msi->msi_irq_in_use, msi->num_of_vectors); in mobiveil_irq_msi_domain_alloc()
673 if (bit >= msi->num_of_vectors) { in mobiveil_irq_msi_domain_alloc()
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| /Linux-v4.19/Documentation/devicetree/bindings/pci/ |
| D | pci-msi.txt | 23 Documentation/devicetree/bindings/interrupt-controller/msi.txt.
32 - msi-map: Maps a Requester ID to an MSI controller and associated
33 msi-specifier data. The property is an arbitrary number of tuples of
34 (rid-base,msi-controller,msi-base,length), where:
38 * msi-controller is a single phandle to an MSI controller
40 * msi-base is an msi-specifier describing the msi-specifier produced for the
47 the listed msi-controller, with the msi-specifier (r - rid-base + msi-base).
49 - msi-map-mask: A mask to be applied to each Requester ID prior to being mapped
50 to an msi-specifier per the msi-map property.
52 - msi-parent: Describes the MSI parent of the root complex itself. Where
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| D | xgene-pci-msi.txt | 5 - compatible: should be "apm,xgene1-msi" to identify
7 - msi-controller: indicates that this is an X-Gene v1 PCIe MSI controller node
16 Each PCIe node needs to have property msi-parent that points to an MSI
24 msi@79000000 {
25 compatible = "apm,xgene1-msi";
26 msi-controller;
46 + PCIe controller node with msi-parent property pointing to MSI node:
67 msi-parent= <&msi>;
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| D | brcm,iproc-pcie.txt | 52 - msi-map: Maps a Requester ID to an MSI controller and associated MSI
55 - msi-parent: Link to the device node of the MSI controller, used when no MSI
60 the use of 'msi-map' and 'msi-parent':
61 Documentation/devicetree/bindings/pci/pci-msi.txt
62 Documentation/devicetree/bindings/interrupt-controller/msi.txt
66 - compatible: Must be "brcm,iproc-msi"
67 - msi-controller: claims itself as an MSI controller
71 - brcm,pcie-msi-inten: Needs to be present for some older iProc platforms that
99 msi-parent = <&msi0>;
102 msi0: msi@18012000 {
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| D | altera-pcie-msi.txt | 4 - compatible: should contain "altr,msi-1.0"
14 - msi-controller: indicates that this is MSI controller node
18 msi0: msi@0xFF200000 {
19 compatible = "altr,msi-1.0";
25 msi-controller;
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| /Linux-v4.19/arch/powerpc/platforms/4xx/ |
| D | msi.c | 142 struct resource res, struct ppc4xx_msi *msi) in ppc4xx_setup_pcieh_hw() argument
163 msi->msi_dev = of_find_node_by_name(NULL, "ppc4xx-msi"); in ppc4xx_setup_pcieh_hw()
164 if (!msi->msi_dev) in ppc4xx_setup_pcieh_hw()
167 msi->msi_regs = of_iomap(msi->msi_dev, 0); in ppc4xx_setup_pcieh_hw()
168 if (!msi->msi_regs) { in ppc4xx_setup_pcieh_hw()
174 (u32) (msi->msi_regs + PEIH_TERMADH), (u32) (msi->msi_regs)); in ppc4xx_setup_pcieh_hw()
181 msi->msi_addr_hi = upper_32_bits(msi_phys); in ppc4xx_setup_pcieh_hw()
182 msi->msi_addr_lo = lower_32_bits(msi_phys & 0xffffffff); in ppc4xx_setup_pcieh_hw()
184 msi->msi_addr_hi, msi->msi_addr_lo); in ppc4xx_setup_pcieh_hw()
190 out_be32(msi->msi_regs + PEIH_TERMADH, msi->msi_addr_hi); in ppc4xx_setup_pcieh_hw()
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| /Linux-v4.19/virt/kvm/arm/vgic/ |
| D | vgic-irqfd.c | 66 e->msi.address_lo = ue->u.msi.address_lo; in kvm_set_routing_entry()
67 e->msi.address_hi = ue->u.msi.address_hi; in kvm_set_routing_entry()
68 e->msi.data = ue->u.msi.data; in kvm_set_routing_entry()
69 e->msi.flags = ue->flags; in kvm_set_routing_entry()
70 e->msi.devid = ue->u.msi.devid; in kvm_set_routing_entry()
91 struct kvm_msi msi; in kvm_set_msi() local
93 msi.address_lo = e->msi.address_lo; in kvm_set_msi()
94 msi.address_hi = e->msi.address_hi; in kvm_set_msi()
95 msi.data = e->msi.data; in kvm_set_msi()
96 msi.flags = e->msi.flags; in kvm_set_msi()
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| D | vgic-v4.c | 248 struct kvm_msi msi = (struct kvm_msi) { in vgic_get_its() local
249 .address_lo = irq_entry->msi.address_lo, in vgic_get_its()
250 .address_hi = irq_entry->msi.address_hi, in vgic_get_its()
251 .data = irq_entry->msi.data, in vgic_get_its()
252 .flags = irq_entry->msi.flags, in vgic_get_its()
253 .devid = irq_entry->msi.devid, in vgic_get_its()
256 return vgic_msi_to_its(kvm, &msi); in vgic_get_its()
281 ret = vgic_its_resolve_lpi(kvm, its, irq_entry->msi.devid, in kvm_vgic_v4_set_forwarding()
282 irq_entry->msi.data, &irq); in kvm_vgic_v4_set_forwarding()
334 ret = vgic_its_resolve_lpi(kvm, its, irq_entry->msi.devid, in kvm_vgic_v4_unset_forwarding()
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| /Linux-v4.19/arch/powerpc/sysdev/ |
| D | fsl_msi.c | 40 #define msi_hwirq(msi, msir_index, intr_index) \ argument
41 ((msir_index) << (msi)->srs_shift | \
42 ((intr_index) << (msi)->ibs_shift))
331 struct fsl_msi *msi = platform_get_drvdata(ofdev); in fsl_of_msi_remove() local
334 if (msi->list.prev != NULL) in fsl_of_msi_remove()
335 list_del(&msi->list); in fsl_of_msi_remove()
337 if (msi->cascade_array[i]) { in fsl_of_msi_remove()
338 virq = msi->cascade_array[i]->virq; in fsl_of_msi_remove()
342 free_irq(virq, msi->cascade_array[i]); in fsl_of_msi_remove()
343 kfree(msi->cascade_array[i]); in fsl_of_msi_remove()
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| /Linux-v4.19/Documentation/devicetree/bindings/interrupt-controller/ |
| D | fsl,ls-scfg-msi.txt | 5 - compatible: should be "fsl,<soc-name>-msi" to identify
7 "fsl,ls1021a-msi"
8 "fsl,ls1043a-msi"
9 "fsl,ls1046a-msi"
10 "fsl,ls1043a-v1.1-msi"
11 "fsl,ls1012a-msi"
12 - msi-controller: indicates that this is a PCIe MSI controller node
20 Each PCIe node needs to have property msi-parent that points to
25 msi1: msi-controller@1571000 {
26 compatible = "fsl,ls1043a-msi";
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| D | msi.txt | 40 - msi-controller: Identifies the node as an MSI controller.
45 - #msi-cells: The number of cells in an msi-specifier, required if not zero.
50 The meaning of the msi-specifier is defined by the device tree binding of
64 - msi-parent: A list of phandle + msi-specifier pairs, one for each MSI
68 MSI controllers listed in the msi-parent property.
73 When #msi-cells is non-zero, busses with an msi-parent will require
85 msi_a: msi-controller@a {
88 msi-controller;
89 /* No sideband data, so #msi-cells omitted */
92 msi_b: msi-controller@b {
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| D | al,alpine-msix.txt | 10 - msi-controller: identifies the node as an PCI Message Signaled Interrupt
12 - al,msi-base-spi: SPI base of the MSI frame
13 - al,msi-num-spis: number of SPIs assigned to the MSI frame, relative to SPI0
22 msi-controller;
23 al,msi-base-spi = <160>;
24 al,msi-num-spis = <160>;
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| /Linux-v4.19/arch/arm64/boot/dts/marvell/ |
| D | armada-ap806.dtsi | 58 msi-controller;
60 arm,msi-base-spi = <160>;
61 arm,msi-num-spis = <32>;
65 msi-controller;
67 arm,msi-base-spi = <192>;
68 arm,msi-num-spis = <32>;
72 msi-controller;
74 arm,msi-base-spi = <224>;
75 arm,msi-num-spis = <32>;
79 msi-controller;
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| /Linux-v4.19/drivers/gpu/drm/nouveau/nvkm/subdev/pci/ |
| D | base.c | 79 if (pci->msi) in nvkm_pci_intr()
147 if (pci->msi) in nvkm_pci_init()
169 if (pci->msi) in nvkm_pci_dtor()
213 pci->msi = true; in nvkm_pci_new_()
219 pci->msi = false; in nvkm_pci_new_()
222 pci->msi = nvkm_boolopt(device->cfgopt, "NvMSI", pci->msi); in nvkm_pci_new_()
223 if (pci->msi && func->msi_rearm) { in nvkm_pci_new_()
224 pci->msi = pci_enable_msi(pci->pdev) == 0; in nvkm_pci_new_()
225 if (pci->msi) in nvkm_pci_new_()
228 pci->msi = false; in nvkm_pci_new_()
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| /Linux-v4.19/Documentation/devicetree/bindings/powerpc/fsl/ |
| D | msi-pic.txt | 5 The first is "fsl,CHIP-msi", where CHIP is the processor(mpc8610, mpc8572,
6 etc.) and the second is "fsl,mpic-msi" or "fsl,ipic-msi" or
7 "fsl,mpic-msi-v4.3" depending on the parent type and version. If mpic
9 provided to access these 16 registers, and compatible "fsl,mpic-msi-v4.3"
21 be set as edge sensitive. If msi-available-ranges is present, only
25 - msi-available-ranges: use <start count> style section to define which
26 msi interrupt can be used in the 256 msi interrupts. This property is
33 - msi-address-64: 64-bit PCI address of the MSIIR register. The MSIIR register
43 msi@41600 {
44 compatible = "fsl,mpc8610-msi", "fsl,mpic-msi";
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| /Linux-v4.19/virt/kvm/ |
| D | irqchip.c | 61 int kvm_send_userspace_msi(struct kvm *kvm, struct kvm_msi *msi) in kvm_send_userspace_msi() argument
65 if (!irqchip_in_kernel(kvm) || (msi->flags & ~KVM_MSI_VALID_DEVID)) in kvm_send_userspace_msi()
68 route.msi.address_lo = msi->address_lo; in kvm_send_userspace_msi()
69 route.msi.address_hi = msi->address_hi; in kvm_send_userspace_msi()
70 route.msi.data = msi->data; in kvm_send_userspace_msi()
71 route.msi.flags = msi->flags; in kvm_send_userspace_msi()
72 route.msi.devid = msi->devid; in kvm_send_userspace_msi()
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| /Linux-v4.19/tools/pci/ |
| D | pcitest.sh | 23 msi=1
25 while [ $msi -lt 33 ]
27 pcitest -m $msi
28 msi=`expr $msi + 1`
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| /Linux-v4.19/drivers/media/pci/ddbridge/ |
| D | ddbridge-main.c | 46 static int msi = 1; variable
48 static int msi; variable
50 module_param(msi, int, 0444);
52 MODULE_PARM_DESC(msi, "Control MSI interrupts: 0-disable, 1-enable (default)");
54 MODULE_PARM_DESC(msi, "Control MSI interrupts: 0-disable (default), 1-enable");
71 if (dev->msi) in ddb_msi_exit()
79 if (dev->msi == 2) in ddb_irq_exit()
107 if (msi && pci_msi_enabled()) { in ddb_irq_msi()
111 dev->msi = stat; in ddb_irq_msi()
113 dev->msi); in ddb_irq_msi()
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| /Linux-v4.19/arch/x86/kvm/ |
| D | irq_comm.c | 118 trace_kvm_msi_set_irq(e->msi.address_lo | (kvm->arch.x2apic_format ? in kvm_set_msi_irq()
119 (u64)e->msi.address_hi << 32 : 0), in kvm_set_msi_irq()
120 e->msi.data); in kvm_set_msi_irq()
122 irq->dest_id = (e->msi.address_lo & in kvm_set_msi_irq()
125 irq->dest_id |= MSI_ADDR_EXT_DEST_ID(e->msi.address_hi); in kvm_set_msi_irq()
126 irq->vector = (e->msi.data & in kvm_set_msi_irq()
128 irq->dest_mode = (1 << MSI_ADDR_DEST_MODE_SHIFT) & e->msi.address_lo; in kvm_set_msi_irq()
129 irq->trig_mode = (1 << MSI_DATA_TRIGGER_SHIFT) & e->msi.data; in kvm_set_msi_irq()
130 irq->delivery_mode = e->msi.data & 0x700; in kvm_set_msi_irq()
131 irq->msi_redir_hint = ((e->msi.address_lo in kvm_set_msi_irq()
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| /Linux-v4.19/arch/powerpc/boot/dts/fsl/ |
| D | qoriq-mpic.dtsi | 54 msi0: msi@41600 {
55 compatible = "fsl,mpic-msi";
57 msi-available-ranges = <0 0x100>;
69 msi1: msi@41800 {
70 compatible = "fsl,mpic-msi";
72 msi-available-ranges = <0 0x100>;
84 msi2: msi@41a00 {
85 compatible = "fsl,mpic-msi";
87 msi-available-ranges = <0 0x100>;
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