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/linux/drivers/pci/controller/
H A Dpcie-iproc-msi.c62 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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H A Dpcie-xilinx-dma-pl.c127 struct xilinx_msi msi; member
272 struct xilinx_msi *msi; in xilinx_pl_dma_pcie_msi_handler_high() local
277 msi = &port->msi; in xilinx_pl_dma_pcie_msi_handler_high()
283 virq = irq_find_mapping(msi->dev_domain, bit); in xilinx_pl_dma_pcie_msi_handler_high()
295 struct xilinx_msi *msi; in xilinx_pl_dma_pcie_msi_handler_low() local
299 msi = &port->msi; in xilinx_pl_dma_pcie_msi_handler_low()
304 virq = irq_find_mapping(msi->dev_domain, bit); in xilinx_pl_dma_pcie_msi_handler_low()
409 struct xilinx_msi *msi = &pcie->msi; in xilinx_irq_domain_alloc() local
412 mutex_lock(&msi->lock); in xilinx_irq_domain_alloc()
413 bit = bitmap_find_free_region(msi->bitmap, XILINX_NUM_MSI_IRQS, in xilinx_irq_domain_alloc()
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/linux/Documentation/devicetree/bindings/pci/
H A Dpci-msi.txt23 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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H A Dxgene-pci-msi.txt5 - 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>;
/linux/arch/arm64/kvm/vgic/
H A Dvgic-irqfd.c55 e->msi.address_lo = ue->u.msi.address_lo; in kvm_set_routing_entry()
56 e->msi.address_hi = ue->u.msi.address_hi; in kvm_set_routing_entry()
57 e->msi.data = ue->u.msi.data; in kvm_set_routing_entry()
58 e->msi.flags = ue->flags; in kvm_set_routing_entry()
59 e->msi.devid = ue->u.msi.devid; in kvm_set_routing_entry()
70 struct kvm_msi *msi) in kvm_populate_msi() argument
72 msi->address_lo = e->msi.address_lo; in kvm_populate_msi()
73 msi->address_hi = e->msi.address_hi; in kvm_populate_msi()
74 msi->data = e->msi.data; in kvm_populate_msi()
75 msi->flags = e->msi.flags; in kvm_populate_msi()
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/linux/arch/powerpc/sysdev/
H A Dfsl_msi.c39 #define msi_hwirq(msi, msir_index, intr_index) \ argument
40 ((msir_index) << (msi)->srs_shift | \
41 ((intr_index) << (msi)->ibs_shift))
325 struct fsl_msi *msi = platform_get_drvdata(ofdev); in fsl_of_msi_remove() local
328 if (msi->list.prev != NULL) in fsl_of_msi_remove()
329 list_del(&msi->list); in fsl_of_msi_remove()
331 if (msi->cascade_array[i]) { in fsl_of_msi_remove()
332 virq = msi->cascade_array[i]->virq; in fsl_of_msi_remove()
336 free_irq(virq, msi->cascade_array[i]); in fsl_of_msi_remove()
337 kfree(msi->cascade_array[i]); in fsl_of_msi_remove()
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/linux/arch/riscv/kvm/
H A Dvm.c71 struct kvm_msi msi; in kvm_set_msi() local
76 msi.address_lo = e->msi.address_lo; in kvm_set_msi()
77 msi.address_hi = e->msi.address_hi; in kvm_set_msi()
78 msi.data = e->msi.data; in kvm_set_msi()
79 msi.flags = e->msi.flags; in kvm_set_msi()
80 msi.devid = e->msi.devid; in kvm_set_msi()
82 return kvm_riscv_aia_inject_msi(kvm, &msi); in kvm_set_msi()
135 e->msi.address_lo = ue->u.msi.address_lo; in kvm_set_routing_entry()
136 e->msi.address_hi = ue->u.msi.address_hi; in kvm_set_routing_entry()
137 e->msi.data = ue->u.msi.data; in kvm_set_routing_entry()
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/linux/drivers/ntb/
H A Dmsi.c45 ntb->msi = devm_kzalloc(&ntb->dev, struct_size(ntb->msi, peer_mws, peers), in ntb_msi_init()
47 if (!ntb->msi) in ntb_msi_init()
50 ntb->msi->desc_changed = desc_changed; in ntb_msi_init()
60 ntb->msi->peer_mws[i] = devm_ioremap(&ntb->dev, mw_phys_addr, in ntb_msi_init()
62 if (!ntb->msi->peer_mws[i]) { in ntb_msi_init()
72 if (ntb->msi->peer_mws[i]) in ntb_msi_init()
73 devm_iounmap(&ntb->dev, ntb->msi->peer_mws[i]); in ntb_msi_init()
75 devm_kfree(&ntb->dev, ntb->msi); in ntb_msi_init()
76 ntb->msi = NULL; in ntb_msi_init()
106 if (!ntb->msi) in ntb_msi_setup_mws()
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/linux/drivers/pci/controller/mobiveil/
H A Dpcie-mobiveil-host.c88 struct mobiveil_msi *msi = &rp->msi; in mobiveil_pcie_isr() local
154 generic_handle_domain_irq(msi->dev_domain, msi_data); in mobiveil_pcie_isr()
202 struct mobiveil_msi *msi = &pcie->rp.msi; in mobiveil_pcie_enable_msi() local
204 msi->num_of_vectors = PCI_NUM_MSI; in mobiveil_pcie_enable_msi()
205 msi->msi_pages_phys = (phys_addr_t)msg_addr; in mobiveil_pcie_enable_msi()
391 struct mobiveil_msi *msi = &pcie->rp.msi; in mobiveil_irq_msi_domain_alloc() local
395 mutex_lock(&msi->lock); in mobiveil_irq_msi_domain_alloc()
397 bit = find_first_zero_bit(msi->msi_irq_in_use, msi->num_of_vectors); in mobiveil_irq_msi_domain_alloc()
398 if (bit >= msi->num_of_vectors) { in mobiveil_irq_msi_domain_alloc()
399 mutex_unlock(&msi->lock); in mobiveil_irq_msi_domain_alloc()
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/linux/Documentation/devicetree/bindings/interrupt-controller/
H A Dmsi.txt40 - 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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H A Dal,alpine-msix.txt10 - 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>;
/linux/drivers/pci/controller/plda/
H A Dpcie-plda-host.c33 struct plda_msi *msi = &port->msi; in plda_handle_msi() local
46 for_each_set_bit(bit, &status, msi->num_vectors) { in plda_handle_msi()
47 ret = generic_handle_domain_irq(msi->dev_domain, bit); in plda_handle_msi()
69 phys_addr_t addr = port->msi.vector_phy; in plda_compose_msi_msg()
91 struct plda_msi *msi = &port->msi; in plda_irq_msi_domain_alloc() local
94 mutex_lock(&msi->lock); in plda_irq_msi_domain_alloc()
95 bit = find_first_zero_bit(msi->used, msi->num_vectors); in plda_irq_msi_domain_alloc()
96 if (bit >= msi->num_vectors) { in plda_irq_msi_domain_alloc()
97 mutex_unlock(&msi->lock); in plda_irq_msi_domain_alloc()
101 set_bit(bit, msi->used); in plda_irq_msi_domain_alloc()
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/linux/drivers/gpu/drm/nouveau/nvkm/subdev/pci/
H A Dbase.c35 if (pci && pci->msi) in nvkm_pci_msi_rearm()
131 if (pci->msi) in nvkm_pci_init()
144 if (pci->msi) in nvkm_pci_dtor()
187 pci->msi = true; in nvkm_pci_new_()
193 pci->msi = false; in nvkm_pci_new_()
196 pci->msi = nvkm_boolopt(device->cfgopt, "NvMSI", pci->msi); in nvkm_pci_new_()
197 if (pci->msi && func->msi_rearm) { in nvkm_pci_new_()
198 pci->msi = pci_enable_msi(pci->pdev) == 0; in nvkm_pci_new_()
199 if (pci->msi) in nvkm_pci_new_()
202 pci->msi = false; in nvkm_pci_new_()
/linux/Documentation/devicetree/bindings/powerpc/fsl/
H A Dmsi-pic.txt5 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/drivers/virt/acrn/
H A Dvm.c106 struct acrn_msi_entry *msi; in acrn_msi_inject() local
110 msi = kzalloc(sizeof(*msi), GFP_ATOMIC); in acrn_msi_inject()
111 if (!msi) in acrn_msi_inject()
118 msi->msi_addr = msi_addr; in acrn_msi_inject()
119 msi->msi_data = msi_data; in acrn_msi_inject()
120 ret = hcall_inject_msi(vm->vmid, virt_to_phys(msi)); in acrn_msi_inject()
124 kfree(msi); in acrn_msi_inject()
/linux/drivers/media/pci/ddbridge/
H A Dddbridge-main.c37 static int msi = 1; variable
39 static int msi; variable
41 module_param(msi, int, 0444);
43 MODULE_PARM_DESC(msi, "Control MSI interrupts: 0-disable, 1-enable (default)");
45 MODULE_PARM_DESC(msi, "Control MSI interrupts: 0-disable (default), 1-enable");
62 if (dev->msi) in ddb_msi_exit()
70 if (dev->msi == 2) in ddb_irq_exit()
98 if (msi && pci_msi_enabled()) { in ddb_irq_msi()
102 dev->msi = stat; in ddb_irq_msi()
104 dev->msi); in ddb_irq_msi()
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/linux/arch/mips/boot/dts/loongson/
H A Dloongson64c_4core_ls7a.dts28 msi: msi-controller@2ff00000 { label
29 compatible = "loongson,pch-msi-1.0";
32 msi-controller;
33 loongson,msi-base-vec = <64>;
34 loongson,msi-num-vecs = <64>;
H A Dloongson64g_4core_ls7a.dts32 msi: msi-controller@2ff00000 { label
33 compatible = "loongson,pch-msi-1.0";
37 msi-controller;
38 loongson,msi-base-vec = <64>;
39 loongson,msi-num-vecs = <192>;
/linux/virt/kvm/
H A Dirqchip.c48 int kvm_send_userspace_msi(struct kvm *kvm, struct kvm_msi *msi) in kvm_send_userspace_msi() argument
52 if (!kvm_arch_irqchip_in_kernel(kvm) || (msi->flags & ~KVM_MSI_VALID_DEVID)) in kvm_send_userspace_msi()
55 route.msi.address_lo = msi->address_lo; in kvm_send_userspace_msi()
56 route.msi.address_hi = msi->address_hi; in kvm_send_userspace_msi()
57 route.msi.data = msi->data; in kvm_send_userspace_msi()
58 route.msi.flags = msi->flags; in kvm_send_userspace_msi()
59 route.msi.devid = msi->devid; in kvm_send_userspace_msi()
/linux/tools/pci/
H A Dpcitest.sh23 msi=1
25 while [ $msi -lt 33 ]
27 pcitest -m $msi
28 msi=`expr $msi + 1`
/linux/arch/arm64/boot/dts/marvell/
H A Darmada-ap80x.dtsi97 msi-controller;
99 arm,msi-base-spi = <160>;
100 arm,msi-num-spis = <32>;
104 msi-controller;
106 arm,msi-base-spi = <192>;
107 arm,msi-num-spis = <32>;
111 msi-controller;
113 arm,msi-base-spi = <224>;
114 arm,msi-num-spis = <32>;
118 msi-controller;
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/linux/arch/s390/pci/
H A Dpci_irq.c303 struct msi_desc *msi; in arch_setup_msi_irqs() local
334 msi_for_each_desc(msi, &pdev->dev, MSI_DESC_NOTASSOCIATED) { in arch_setup_msi_irqs()
337 irqs_per_msi = min_t(unsigned int, msi_vecs, msi->nvec_used); in arch_setup_msi_irqs()
340 msi->affinity : NULL); in arch_setup_msi_irqs()
345 rc = irq_set_msi_desc_off(irq, i, msi); in arch_setup_msi_irqs()
354 if (msi->affinity) in arch_setup_msi_irqs()
355 cpu = cpumask_first(&msi->affinity->mask); in arch_setup_msi_irqs()
391 struct msi_desc *msi; in arch_teardown_msi_irqs() local
401 msi_for_each_desc(msi, &pdev->dev, MSI_DESC_ASSOCIATED) { in arch_teardown_msi_irqs()
402 for (i = 0; i < msi->nvec_used; i++) { in arch_teardown_msi_irqs()
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/linux/arch/powerpc/boot/dts/fsl/
H A Dmpc8641si-post.dtsi75 msi@41600 {
76 compatible = "fsl,mpc8641-msi", "fsl,mpic-msi";
78 msi@41800 {
79 compatible = "fsl,mpc8641-msi", "fsl,mpic-msi";
81 msi@41a00 {
82 compatible = "fsl,mpc8641-msi", "fsl,mpic-msi";
H A Dqoriq-mpic.dtsi54 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>;
/linux/Documentation/ABI/testing/
H A Dsysfs-platform-msi-laptop1 What: /sys/devices/platform/msi-laptop-pf/lcd_level
8 What: /sys/devices/platform/msi-laptop-pf/auto_brightness
17 What: /sys/devices/platform/msi-laptop-pf/wlan
24 What: /sys/devices/platform/msi-laptop-pf/bluetooth
33 What: /sys/devices/platform/msi-laptop-pf/touchpad
41 What: /sys/devices/platform/msi-laptop-pf/turbo_mode
54 What: /sys/devices/platform/msi-laptop-pf/eco_mode
64 What: /sys/devices/platform/msi-laptop-pf/turbo_cooldown
75 What: /sys/devices/platform/msi-laptop-pf/auto_fan

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