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/linux/drivers/pci/controller/
H A Dpcie-iproc-msi.c63 struct iproc_msi *msi; member
127 static inline u32 iproc_msi_read_reg(struct iproc_msi *msi, in iproc_msi_read_reg() argument
131 struct iproc_pcie *pcie = msi->pcie; in iproc_msi_read_reg()
133 return readl_relaxed(pcie->base + msi->reg_offsets[eq][reg]); in iproc_msi_read_reg()
136 static inline void iproc_msi_write_reg(struct iproc_msi *msi, in iproc_msi_write_reg() argument
140 struct iproc_pcie *pcie = msi->pcie; in iproc_msi_write_reg()
142 writel_relaxed(val, pcie->base + msi->reg_offsets[eq][reg]); in iproc_msi_write_reg()
145 static inline u32 hwirq_to_group(struct iproc_msi *msi, unsigned long hwirq) in hwirq_to_group() argument
147 return (hwirq % msi->nr_irqs); in hwirq_to_group()
150 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-altera-msi.c41 static inline void msi_writel(struct altera_msi *msi, const u32 value, in msi_writel() argument
44 writel_relaxed(value, msi->csr_base + reg); in msi_writel()
47 static inline u32 msi_readl(struct altera_msi *msi, const u32 reg) in msi_readl() argument
49 return readl_relaxed(msi->csr_base + reg); in msi_readl()
55 struct altera_msi *msi; in altera_msi_isr() local
61 msi = irq_desc_get_handler_data(desc); in altera_msi_isr()
63 while ((status = msi_readl(msi, MSI_STATUS)) != 0) { in altera_msi_isr()
64 for_each_set_bit(bit, &status, msi->num_of_vectors) { in altera_msi_isr()
66 readl_relaxed(msi->vector_base + (bit * sizeof(u32))); in altera_msi_isr()
68 ret = generic_handle_domain_irq(msi->inner_domain, bit); in altera_msi_isr()
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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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H A Dpcie-rcar-host.c52 struct rcar_msi msi; member
87 static struct rcar_pcie_host *msi_to_host(struct rcar_msi *msi) in msi_to_host() argument
89 return container_of(msi, struct rcar_pcie_host, msi); in msi_to_host()
564 struct rcar_msi *msi = &host->msi; in rcar_pcie_msi_irq() local
578 ret = generic_handle_domain_irq(msi->domain, index); in rcar_pcie_msi_irq()
594 struct rcar_msi *msi = irq_data_get_irq_chip_data(d); in rcar_msi_irq_ack() local
595 struct rcar_pcie *pcie = &msi_to_host(msi)->pcie; in rcar_msi_irq_ack()
603 struct rcar_msi *msi = irq_data_get_irq_chip_data(d); in rcar_msi_irq_mask() local
604 struct rcar_pcie *pcie = &msi_to_host(msi)->pcie; in rcar_msi_irq_mask()
607 scoped_guard(raw_spinlock_irqsave, &msi->mask_lock) { in rcar_msi_irq_mask()
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H A Dpci-xgene-msi.c92 static u32 xgene_msi_ir_read(struct xgene_msi *msi, u32 msi_grp, u32 msir_idx) in xgene_msi_ir_read() argument
94 return readl_relaxed(msi->msi_regs + MSI_IR0 + in xgene_msi_ir_read()
100 static u32 xgene_msi_int_read(struct xgene_msi *msi, u32 msi_grp) in xgene_msi_int_read() argument
102 return readl_relaxed(msi->msi_regs + MSI_INT0 + in xgene_msi_int_read()
131 struct xgene_msi *msi = irq_data_get_irq_chip_data(data); in xgene_compose_msi_msg() local
140 target_addr = msi->msi_addr; in xgene_compose_msi_msg()
169 struct xgene_msi *msi = domain->host_data; in xgene_irq_domain_alloc() local
172 mutex_lock(&msi->bitmap_lock); in xgene_irq_domain_alloc()
174 hwirq = find_first_zero_bit(msi->bitmap, NR_MSI_VEC); in xgene_irq_domain_alloc()
176 set_bit(hwirq, msi->bitmap); in xgene_irq_domain_alloc()
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H A Dpcie-brcmstb.c332 struct brcm_msi *msi; member
551 struct brcm_msi *msi; in brcm_pcie_msi_isr() local
556 msi = irq_desc_get_handler_data(desc); in brcm_pcie_msi_isr()
557 dev = msi->dev; in brcm_pcie_msi_isr()
559 status = readl(msi->intr_base + MSI_INT_STATUS); in brcm_pcie_msi_isr()
560 status >>= msi->legacy_shift; in brcm_pcie_msi_isr()
562 for_each_set_bit(bit, &status, msi->nr) { in brcm_pcie_msi_isr()
564 ret = generic_handle_domain_irq(msi->inner_domain, bit); in brcm_pcie_msi_isr()
574 struct brcm_msi *msi = irq_data_get_irq_chip_data(data); in brcm_msi_compose_msi_msg() local
576 msg->address_lo = lower_32_bits(msi->target_addr); in brcm_msi_compose_msi_msg()
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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.c72 struct kvm_msi msi; in kvm_set_msi() local
77 msi.address_lo = e->msi.address_lo; in kvm_set_msi()
78 msi.address_hi = e->msi.address_hi; in kvm_set_msi()
79 msi.data = e->msi.data; in kvm_set_msi()
80 msi.flags = e->msi.flags; in kvm_set_msi()
81 msi.devid = e->msi.devid; in kvm_set_msi()
83 return kvm_riscv_aia_inject_msi(kvm, &msi); in kvm_set_msi()
136 e->msi.address_lo = ue->u.msi.address_lo; in kvm_set_routing_entry()
137 e->msi.address_hi = ue->u.msi.address_hi; in kvm_set_routing_entry()
138 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/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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/linux/drivers/pci/controller/mobiveil/
H A Dpcie-mobiveil-host.c89 struct mobiveil_msi *msi = &rp->msi; in mobiveil_pcie_isr() local
155 generic_handle_domain_irq(msi->dev_domain, msi_data); in mobiveil_pcie_isr()
203 struct mobiveil_msi *msi = &pcie->rp.msi; in mobiveil_pcie_enable_msi() local
205 msi->num_of_vectors = PCI_NUM_MSI; in mobiveil_pcie_enable_msi()
206 msi->msi_pages_phys = (phys_addr_t)msg_addr; in mobiveil_pcie_enable_msi()
395 struct mobiveil_msi *msi = &pcie->rp.msi; in mobiveil_irq_msi_domain_alloc() local
399 mutex_lock(&msi->lock); in mobiveil_irq_msi_domain_alloc()
401 bit = find_first_zero_bit(msi->msi_irq_in_use, msi->num_of_vectors); in mobiveil_irq_msi_domain_alloc()
402 if (bit >= msi->num_of_vectors) { in mobiveil_irq_msi_domain_alloc()
403 mutex_unlock(&msi->lock); in mobiveil_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/drivers/virt/acrn/
H A Dvm.c106 struct acrn_msi_entry *msi; in acrn_msi_inject() local
110 msi = kzalloc_obj(*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/arch/mips/boot/dts/loongson/
H A Dloongson64c_4core_ls7a.dts28 msi: msi-controller@2ff00000 { label
29 compatible = "loongson,pch-msi-1.0";
33 msi-controller;
34 loongson,msi-base-vec = <64>;
35 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/arch/arm64/boot/dts/marvell/
H A Darmada-ap80x.dtsi112 msi-controller;
114 arm,msi-base-spi = <160>;
115 arm,msi-num-spis = <32>;
119 msi-controller;
121 arm,msi-base-spi = <192>;
122 arm,msi-num-spis = <32>;
126 msi-controller;
128 arm,msi-base-spi = <224>;
129 arm,msi-num-spis = <32>;
133 msi-controller;
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H A Darmada-ap810-ap0.dtsi63 gic_its_ap0: msi-controller@3040000 {
65 msi-controller;
66 #msi-cells = <1>;
75 msi-parent = <&gic_its_ap0 0xa0>;
83 msi-parent = <&gic_its_ap0 0xa1>;
91 msi-parent = <&gic_its_ap0 0xa2>;
99 msi-parent = <&gic_its_ap0 0xa3>;
/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>;
H A Dqoriq-mpic4.3.dtsi54 msi0: msi@41600 {
55 compatible = "fsl,mpic-msi-v4.3";
76 msi1: msi@41800 {
77 compatible = "fsl,mpic-msi-v4.3";
98 msi2: msi@41a00 {
99 compatible = "fsl,mpic-msi-v4.3";
120 msi3: msi@41c00 {
121 compatible = "fsl,mpic-msi-v4.3";
/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
/linux/arch/arm64/boot/dts/arm/
H A Dmorello.dtsi241 its1: msi-controller@30040000 {
245 msi-controller;
246 #msi-cells = <1>;
249 its2: msi-controller@30060000 {
253 msi-controller;
254 #msi-cells = <1>;
257 its_ccix: msi-controller@30080000 {
261 msi-controller;
262 #msi-cells = <1>;
265 its_pcie: msi-controller@300a0000 {
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/linux/arch/arm64/boot/dts/hisilicon/
H A Dhip07.dtsi959 p0_its_peri_a: msi-controller@4c000000 {
961 msi-controller;
962 #msi-cells = <1>;
966 p0_its_peri_b: msi-controller@6c000000 {
968 msi-controller;
969 #msi-cells = <1>;
973 p0_its_dsa_a: msi-controller@c6000000 {
975 msi-controller;
976 #msi-cells = <1>;
980 p0_its_dsa_b: msi-controller@8c6000000 {
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/linux/arch/sparc/kernel/
H A Dpci_fire.c159 unsigned long *head, unsigned long *msi) in pci_fire_dequeue_msi() argument
177 *msi = msi_num = ((ep->word0 & MSIQ_WORD0_DATA0) >> in pci_fire_dequeue_msi()
201 unsigned long msi, int is_msi64) in pci_fire_msi_setup()
205 val = upa_readq(pbm->pbm_regs + MSI_MAP(msi)); in pci_fire_msi_setup()
208 upa_writeq(val, pbm->pbm_regs + MSI_MAP(msi)); in pci_fire_msi_setup()
210 upa_writeq(MSI_CLEAR_EQWR_N, pbm->pbm_regs + MSI_CLEAR(msi)); in pci_fire_msi_setup()
212 val = upa_readq(pbm->pbm_regs + MSI_MAP(msi)); in pci_fire_msi_setup()
214 upa_writeq(val, pbm->pbm_regs + MSI_MAP(msi)); in pci_fire_msi_setup()
219 static int pci_fire_msi_teardown(struct pci_pbm_info *pbm, unsigned long msi) in pci_fire_msi_teardown() argument
223 val = upa_readq(pbm->pbm_regs + MSI_MAP(msi)); in pci_fire_msi_teardown()
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