| /Linux-v5.4/arch/um/kernel/ |
| D | tlb.c | 63 static int do_ops(struct host_vm_change *hvc, int end, in do_ops() argument
70 op = &hvc->ops[i]; in do_ops()
73 if (hvc->userspace) in do_ops()
74 ret = map(&hvc->mm->context.id, op->u.mmap.addr, in do_ops()
78 &hvc->data); in do_ops()
84 if (hvc->userspace) in do_ops()
85 ret = unmap(&hvc->mm->context.id, in do_ops()
88 &hvc->data); in do_ops()
96 if (hvc->userspace) in do_ops()
97 ret = protect(&hvc->mm->context.id, in do_ops()
[all …]
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| /Linux-v5.4/drivers/tty/hvc/ |
| D | hvc_iucv.c | 3 * z/VM IUCV hypervisor console (HVC) device driver
5 * This HVC device driver provides terminal access using
65 struct hvc_struct *hvc; /* HVC struct reference */ member
101 /* Array of allocated hvc iucv tty lines... */
127 * @num: The HVC virtual terminal number (vtermno)
130 * to the HVC virtual terminal number specified as parameter @num.
200 * hvc_iucv_write() - Receive IUCV message & write data to HVC buffer.
202 * @buf: HVC buffer for writing received terminal data.
203 * @count: HVC buffer size.
217 * hang up (that is issued by the HVC layer).
[all …]
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| D | hvc_xen.c | 28 #include <xen/hvc-console.h>
40 struct hvc_struct *hvc; member
111 * necessary. We don't ever want to rely on the hvc daemon in domU_write_console()
333 if (info->hvc != NULL) in xencons_disconnect_backend()
334 hvc_remove(info->hvc); in xencons_disconnect_backend()
335 info->hvc = NULL; in xencons_disconnect_backend()
383 info->hvc = hvc_alloc(xenbus_devid_to_vtermno(devid), in xencons_connect_backend()
385 if (IS_ERR(info->hvc)) in xencons_connect_backend()
386 return PTR_ERR(info->hvc); in xencons_connect_backend()
549 info->hvc = hvc_alloc(HVC_COOKIE, info->irq, ops, 256); in xen_hvc_init()
[all …]
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| D | hvc_console.h | 76 /* register a vterm for hvc tty operation (module_init or hotplug add) */
79 /* remove a vterm from hvc tty operation (module_exit or hotplug remove) */
86 /* Resize hvc tty terminal window */
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| D | Kconfig | 52 This driver provides a Hypervisor console (HVC) back-end to access
86 This console uses the JTAG DCC on ARM to create a console under the HVC
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| D | hvc_opal.c | 206 pr_info("hvc%d: %s protocol on %pOF%s\n", termno, in hvc_opal_probe()
213 pr_info("hvc%d: No interrupts property, using OPAL event\n", in hvc_opal_probe()
228 /* hvc consoles on powernv may need to share a single irq */ in hvc_opal_probe()
390 add_preferred_console("hvc", index, NULL); in hvc_opal_init_early()
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| D | hvc_console.c | 218 .name = "hvc",
566 * hvc_set_winsz() - Resize the hvc tty terminal window.
781 * @hp: HVC console pointer
784 * Stores the specified window size information in the hvc structure of @hp.
1032 drv->driver_name = "hvc"; in hvc_init()
1033 drv->name = "hvc"; in hvc_init()
1052 printk(KERN_ERR "Couldn't register hvc console driver\n"); in hvc_init()
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| /Linux-v5.4/drivers/dma/mediatek/ |
| D | mtk-hsdma.c | 496 struct mtk_hsdma_vchan *hvc) in mtk_hsdma_issue_vchan_pending() argument
501 lockdep_assert_held(&hvc->vc.lock); in mtk_hsdma_issue_vchan_pending()
503 list_for_each_entry_safe(vd, vd2, &hvc->vc.desc_issued, node) { in mtk_hsdma_issue_vchan_pending()
529 list_move_tail(&vd->node, &hvc->desc_hw_processing); in mtk_hsdma_issue_vchan_pending()
535 struct mtk_hsdma_vchan *hvc; in mtk_hsdma_free_rooms_in_ring() local
584 hvc = to_hsdma_vchan(cb->vd->tx.chan); in mtk_hsdma_free_rooms_in_ring()
586 spin_lock(&hvc->vc.lock); in mtk_hsdma_free_rooms_in_ring()
594 if (hvc->issue_synchronize && in mtk_hsdma_free_rooms_in_ring()
595 list_empty(&hvc->desc_hw_processing)) { in mtk_hsdma_free_rooms_in_ring()
596 complete(&hvc->issue_completion); in mtk_hsdma_free_rooms_in_ring()
[all …]
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| /Linux-v5.4/arch/arm/kvm/hyp/ |
| D | hyp-entry.S | 27 * Entry to Hyp mode from the host kernel will happen _only_ when an HVC
31 * HVC instructions cause a trap to the vector page + offset 0x14 (see hyp_hvc
32 * below) when the HVC instruction is called from SVC mode (i.e. a guest or the
33 * host kernel) and they cause a trap to the vector page + offset 0x8 when HVC
37 * Switching to Hyp mode is done through a simple HVC #0 instruction. The
38 * exception vector code will check that the HVC comes from VMID==0.
77 W(add) sp, sp, #1 /* HVC 2 */
99 W(add) sp, sp, #1 /* HVC 2 */
175 * or from executing HVC from the host kernel, which means
184 bne guest_trap @ Not HVC instr.
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| /Linux-v5.4/include/linux/ |
| D | arm-smccc.h | 84 * struct arm_smccc_res - Result from SMC/HVC call
125 * __arm_smccc_hvc() - make HVC calls
130 * This function is used to make HVC calls following SMC Calling
132 * to 7 prior to the HVC instruction. The return values are updated with
133 * the content from register 0 to 3 on return from the HVC instruction. An
153 #define SMCCC_HVC_INST "hvc #0"
285 * arm_smccc_1_1_hvc() - make an SMCCC v1.1 compliant HVC call
293 * This macro is used to make HVC calls following SMC Calling Convention v1.1.
295 * to the HVC instruction. The return values are updated with the content
296 * from register 0 to 3 on return from the HVC instruction if not NULL.
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| /Linux-v5.4/Documentation/virt/kvm/arm/ |
| D | psci.txt | 34 offered by KVM to the guest via a HVC call. The workaround is described
40 KVM_REG_ARM_SMCCC_ARCH_WORKAROUND_1_AVAIL: The workaround HVC call is
42 KVM_REG_ARM_SMCCC_ARCH_WORKAROUND_1_NOT_REQUIRED: The workaround HVC call
47 offered by KVM to the guest via a HVC call. The workaround is described
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| /Linux-v5.4/drivers/firmware/xilinx/ |
| D | zynqmp.c | 100 * do_fw_call_hvc() - Call system-level platform management layer (HVC)
101 * @arg0: Argument 0 to HVC call
102 * @arg1: Argument 1 to HVC call
103 * @arg2: Argument 2 to HVC call
106 * Invoke platform management function via HVC
107 * HVC-based for communication through hypervisor
139 * Invoke platform management function for SMC or HVC call, depending on
248 * get_set_conduit_method() - Choose SMC or HVC based communication
251 * Use SMC or HVC-based functions to communicate with EL2/EL3.
264 if (!strcmp("hvc", method)) { in get_set_conduit_method()
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| /Linux-v5.4/Documentation/devicetree/bindings/arm/firmware/ |
| D | linaro,optee-tz.txt | 20 "hvc" : HVC #0, with the register assignments specified
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| D | sdei.txt | 34 * "hvc" : HVC #0, with the register assignments specified in this
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| /Linux-v5.4/arch/arm64/xen/ |
| D | hypercall.S | 43 * The hvc ISS is required to be 0xEA1, that is the Xen specific ARM
61 hvc XEN_IMM; \
105 hvc XEN_IMM
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| /Linux-v5.4/Documentation/devicetree/bindings/arm/ |
| D | psci.yaml | 74 # HVC #0, with the register assignments specified in this binding.
75 - hvc
158 method = "hvc";
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| /Linux-v5.4/Documentation/devicetree/bindings/firmware/xilinx/ |
| D | xlnx,zynqmp-firmware.txt | 18 - "hvc" : HVC #0, following the SMCCC
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| /Linux-v5.4/drivers/char/ |
| D | virtio_console.c | 28 #include "../tty/hvc/hvc_console.h"
37 * that callbacks from hvc for get_chars(), put_chars() work properly
51 * This is used to keep track of the number of hvc consoles
75 /* The hvc device associated with this console port */
76 struct hvc_struct *hvc; member
83 * with hvc in hvc_instantiate() and hvc_alloc(); this is the
84 * number passed on by the hvc callbacks to us to
207 * hooked up to an hvc console
333 if (port->cons.hvc) in is_console_port()
1046 * via /dev/hvc in port_fops_open()
[all …]
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| /Linux-v5.4/Documentation/devicetree/bindings/firmware/ |
| D | intel,stratix10-svc.txt | 27 - method: smc or hvc
29 hvc - Hypervisor Call
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| /Linux-v5.4/arch/arm64/kernel/ |
| D | hyp-stub.S | 112 hvc #0
118 hvc #0
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| /Linux-v5.4/arch/arm64/kvm/hyp/ |
| D | hyp-entry.S | 44 cbnz x1, el1_hvc_guest // called HVC
46 /* Here, we're pretty sure the host called HVC. */
49 /* Check for a stub HVC call */
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| /Linux-v5.4/drivers/firmware/ |
| D | stratix10-svc.c | 125 * @task: pointer to the thread task which handles SMC or HVC call
283 * @res: result from SMC or HVC call
332 * SMC or HVC calls between kernel driver and secure monitor software.
526 /* SMC or HVC call to get shared memory info from secure world */ in svc_normal_to_secure_shm_thread()
560 /* smc or hvc call happens on cpu 0 bound kthread */ in svc_get_sh_memory()
691 * get_invoke_func() - invoke SMC or HVC call
707 if (!strcmp(method, "hvc")) in get_invoke_func()
969 /* get SMC or HVC function */ in stratix10_svc_drv_probe()
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| /Linux-v5.4/arch/arm/include/asm/ |
| D | proc-fns.h | 47 void (*reset)(unsigned long addr, bool hvc) __attribute__((noreturn));
96 extern void cpu_reset(unsigned long addr, bool hvc) __attribute__((noreturn));
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| /Linux-v5.4/arch/c6x/boot/dts/ |
| D | evmc6457.dts | 21 bootargs = "console=hvc root=/dev/nfs ip=dhcp rw";
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| D | evmc6474.dts | 21 bootargs = "console=hvc root=/dev/nfs ip=dhcp rw";
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