| /kernel/linux/linux-6.6/arch/powerpc/kernel/ |
| D | rtas.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
4 * Procedures for interfacing to the RTAS on CHRP machines.
10 #define pr_fmt(fmt) "rtas: " fmt
41 #include <asm/rtas-work-area.h>
42 #include <asm/rtas.h>
48 /* Indexes into the args buffer, -1 if not used */
61 * struct rtas_function - Descriptor for RTAS functions.
63 * @token: Value of @name if it exists under the /rtas node.
65 * @filter: If non-NULL, invoking this function via the rtas syscall is
84 .name = "check-exception",
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| D | udbg.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
37 /* RTAS panel debug */ in udbg_early_init()
40 /* RTAS console debug */ in udbg_early_init()
81 /* udbg library, used by xmon et al */
111 while (((c = *s++) != '\0') && (remain-- > 0)) { in udbg_write()
119 return n - remain; in udbg_write()
159 * Called by setup_system after ppc_md->probe and ppc_md->early_init.
160 * Call it again after setting udbg_putc in ppc_md->setup_arch.
170 if (strstr(boot_command_line, "udbg-immortal")) { in register_early_udbg_console()
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| /kernel/linux/linux-5.10/arch/powerpc/kernel/ |
| D | rtas.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
4 * Procedures for interfacing to the RTAS on CHRP machines.
29 #include <asm/rtas.h>
46 /* This is here deliberately so it's only used in this file */
49 struct rtas_t rtas = { variable
52 EXPORT_SYMBOL(rtas);
63 * If non-NULL, this gets called when the kernel terminates.
69 /* RTAS use home made raw locking instead of spin_lock_irqsave
80 arch_spin_lock(&rtas.lock); in lock_rtas()
86 arch_spin_unlock(&rtas.lock); in unlock_rtas()
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| D | entry_64.S | 1 /* SPDX-License-Identifier: GPL-2.0-or-later */
4 * Copyright (C) 1995-1996 Gary Thomas (gdt@linuxppc.org)
5 * Rewritten by Cort Dougan (cort@cs.nmt.edu) for PReP
7 * Adapted for Power Macintosh by Paul Mackerras.
8 * Low-level exception handlers and MMU support
9 * rewritten by Paul Mackerras.
25 #include <asm/code-patching-asm.h>
27 #include <asm/asm-offsets.h>
36 #include <asm/ppc-opcode.h>
39 #include <asm/asm-compat.h>
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| D | udbg.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
37 /* RTAS panel debug */ in udbg_early_init()
40 /* RTAS console debug */ in udbg_early_init()
79 /* udbg library, used by xmon et al */
109 while (((c = *s++) != '\0') && (remain-- > 0)) { in udbg_write()
117 return n - remain; in udbg_write()
157 * Called by setup_system after ppc_md->probe and ppc_md->early_init.
158 * Call it again after setting udbg_putc in ppc_md->setup_arch.
168 if (strstr(boot_command_line, "udbg-immortal")) { in register_early_udbg_console()
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| /kernel/linux/linux-5.10/arch/powerpc/include/asm/ |
| D | rtas.h | 1 /* SPDX-License-Identifier: GPL-2.0-or-later */
8 #include <asm/rtas-types.h>
13 * Definitions for talking to the RTAS on CHRP machines.
19 #define RTAS_UNKNOWN_SERVICE (-1)
20 #define RTAS_INSTANTIATE_MAX (1ULL<<30) /* Don't instantiate rtas at/above this value */
25 /* RTAS return status codes */
26 #define RTAS_NOT_SUSPENDABLE -9004
27 #define RTAS_BUSY -2 /* RTAS Busy */
32 * In general to call RTAS use rtas_token("string") to lookup
33 * an RTAS token for the given string (e.g. "event-scan").
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| /kernel/linux/linux-5.10/drivers/watchdog/ |
| D | wdrtas.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
4 * RTAS calls are available
8 * RTAS watchdog driver
11 * device driver to exploit watchdog RTAS functions
29 #include <asm/rtas.h>
36 MODULE_DESCRIPTION("RTAS watchdog driver");
62 * wdrtas_set_interval - sets the watchdog interval
67 * wdrtas_set_interval sets the watchdog keepalive interval by calling the
68 * RTAS function set-indicator (surveillance). The unit of interval is
77 /* rtas uses minutes */ in wdrtas_set_interval()
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| /kernel/linux/linux-6.6/drivers/watchdog/ |
| D | wdrtas.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
4 * RTAS calls are available
8 * RTAS watchdog driver
11 * device driver to exploit watchdog RTAS functions
29 #include <asm/rtas.h>
36 MODULE_DESCRIPTION("RTAS watchdog driver");
62 * wdrtas_set_interval - sets the watchdog interval
67 * wdrtas_set_interval sets the watchdog keepalive interval by calling the
68 * RTAS function set-indicator (surveillance). The unit of interval is
77 /* rtas uses minutes */ in wdrtas_set_interval()
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| /kernel/linux/linux-6.6/arch/powerpc/platforms/pseries/ |
| D | smp.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
35 #include <asm/rtas.h>
42 #include <asm/code-patching.h>
49 * The Primary thread of each non-boot processor was started from the OF client
50 * interface by prom_hold_cpus and is spinning on secondary_hold_spinloop.
62 "Firmware doesn't support query-cpu-stopped-state\n"); in smp_query_cpu_stopped()
69 "RTAS query-cpu-stopped-state failed: %i\n", status); in smp_query_cpu_stopped()
77 * smp_startup_cpu() - start the given cpu
80 * started from Open Firmware. For anything else, call RTAS with the
84 * 0 - failure
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| D | io_event_irq.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Copyright 2010 2011 Mark Nelson and Tseng-Hui (Frank) Lin, IBM Corporation
16 #include <asm/rtas.h>
23 * IO event interrupt is a mechanism provided by RTAS to return
24 * information about hardware error and non-error events. Device
30 * by one until the IO event is claimed by one of the handlers.
32 * event is handled by the event handler or NOTIFY_DONE if the
41 * if (! is_my_event(p->scope, p->event_type)) return NOTIFY_DONE;
66 * @elog: RTAS error/event log.
75 /* We should only ever get called for io-event interrupts, but if in ioei_find_event()
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| D | eeh_pseries.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
4 * Actually, the pseries platform is built based on RTAS heavily. That means the
5 * pseries platform dependent EEH operations will be built on RTAS calls. The functions
33 #include <asm/ppc-pci.h>
34 #include <asm/rtas.h>
36 /* RTAS tokens */
55 dev_dbg(&pdev->dev, "EEH: Setting up device\n"); in pseries_pcibios_bus_add_device()
57 if (pdev->is_virtfn) { in pseries_pcibios_bus_add_device()
58 pdn->device_id = pdev->device; in pseries_pcibios_bus_add_device()
59 pdn->vendor_id = pdev->vendor; in pseries_pcibios_bus_add_device()
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| D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0
4 bool "IBM pSeries & new (POWER5-based) iSeries"
39 bool "Support for shared-processor logical partitions"
46 on logically-partitioned pSeries systems which use shared
78 interrupts. IO event interrupt is a mechanism provided by RTAS
79 to return information about hardware error and non-error events
80 which may need OS attention. RTAS returns events for multiple
109 bool "Support for shared-memory logical partitions"
126 by allocating pages of memory and put them "on hold". This only
161 # used to store asymmetric public keys or secrets as required
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| D | msi.c | 1 // SPDX-License-Identifier: GPL-2.0-only
4 * Copyright 2006-2007 Michael Ellerman, IBM Corp.
13 #include <asm/rtas.h>
15 #include <asm/ppc-pci.h>
30 /* RTAS Helpers */
38 addr = rtas_config_addr(pdn->busno, pdn->devfn, 0); in rtas_change_msi()
39 buid = pdn->phb->buid; in rtas_change_msi()
57 * If the RTAS call succeeded, return the number of irqs allocated. in rtas_change_msi()
63 rc = -rc; in rtas_change_msi()
80 * disabling MSI with the explicit interface also disables MSI-X in rtas_disable_msi()
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| /kernel/linux/linux-5.10/arch/powerpc/platforms/pseries/ |
| D | smp.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
36 #include <asm/rtas.h>
43 #include <asm/code-patching.h>
50 * The Primary thread of each non-boot processor was started from the OF client
51 * interface by prom_hold_cpus and is spinning on secondary_hold_spinloop.
59 int qcss_tok = rtas_token("query-cpu-stopped-state"); in smp_query_cpu_stopped()
63 "Firmware doesn't support query-cpu-stopped-state\n"); in smp_query_cpu_stopped()
70 "RTAS query-cpu-stopped-state failed: %i\n", status); in smp_query_cpu_stopped()
78 * smp_startup_cpu() - start the given cpu
81 * started from Open Firmware. For anything else, call RTAS with the
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| D | io_event_irq.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Copyright 2010 2011 Mark Nelson and Tseng-Hui (Frank) Lin, IBM Corporation
16 #include <asm/rtas.h>
23 * IO event interrupt is a mechanism provided by RTAS to return
24 * information about hardware error and non-error events. Device
30 * by one until the IO event is claimed by one of the handlers.
32 * event is handled by the event handler or NOTIFY_DONE if the
41 * if (! is_my_event(p->scope, p->event_type)) return NOTIFY_DONE;
66 * @elog: RTAS error/event log.
75 /* We should only ever get called for io-event interrupts, but if in ioei_find_event()
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| D | eeh_pseries.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
4 * Actually, the pseries platform is built based on RTAS heavily. That means the
5 * pseries platform dependent EEH operations will be built on RTAS calls. The functions
33 #include <asm/ppc-pci.h>
34 #include <asm/rtas.h>
36 /* RTAS tokens */
53 dev_dbg(&pdev->dev, "EEH: Setting up device\n"); in pseries_pcibios_bus_add_device()
55 if (pdev->is_virtfn) { in pseries_pcibios_bus_add_device()
56 pdn->device_id = pdev->device; in pseries_pcibios_bus_add_device()
57 pdn->vendor_id = pdev->vendor; in pseries_pcibios_bus_add_device()
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| D | msi.c | 1 // SPDX-License-Identifier: GPL-2.0-only
4 * Copyright 2006-2007 Michael Ellerman, IBM Corp.
12 #include <asm/rtas.h>
14 #include <asm/ppc-pci.h>
28 /* RTAS Helpers */
36 addr = rtas_config_addr(pdn->busno, pdn->devfn, 0); in rtas_change_msi()
37 buid = pdn->phb->buid; in rtas_change_msi()
55 * If the RTAS call succeeded, return the number of irqs allocated. in rtas_change_msi()
61 rc = -rc; in rtas_change_msi()
78 * disabling MSI with the explicit interface also disables MSI-X in rtas_disable_msi()
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| /kernel/linux/linux-5.10/arch/powerpc/oprofile/ |
| D | op_model_cell.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
22 #include <asm/cell-pmu.h>
31 #include <asm/rtas.h>
32 #include <asm/cell-regs.h>
66 * 2^32 - 1 - N.
68 #define NUM_INTERVAL_CYC 0xFFFFFFFF - 10
72 * This variable is used for SPU profiling and should ONLY be set
73 * at the beginning of cell_reg_setup; otherwise, it's read-only.
87 * ibm,cbe-perftools rtas parameters
100 * rtas call arguments
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| D | op_model_power4.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
5 * Copyright (C) 2006-2007 Will Schmidt <willschm@us.ibm.com>, IBM
14 #include <asm/rtas.h>
32 /* mmcr values are set in power4_reg_setup, used in power4_cpu_setup */
45 * power7_marked_instr_event() in file arch/powerpc/perf/power7-pmu.c. in power7_marked_instr_event()
49 << (OPROFILE_MAX_PMC_NUM - pmc) in power7_marked_instr_event()
51 psel = (psel >> ((OPROFILE_MAX_PMC_NUM - pmc) in power7_marked_instr_event()
55 - (pmc * OPROFILE_PMSEL_FIELD_WIDTH ))); in power7_marked_instr_event()
57 - (pmc * OPROFILE_PMSEL_FIELD_WIDTH)); in power7_marked_instr_event()
103 mmcr0_val = sys->mmcr0; in power4_reg_setup()
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| /kernel/linux/linux-5.10/drivers/tty/hvc/ |
| D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0
8 It will automatically be selected if one of the back-end console drivers
38 bool "IBM RTAS Console support"
42 IBM Console device driver which makes use of RTAS
51 This driver provides a Hypervisor console (HVC) back-end to access
76 This is meant to be used during HW bring up or debugging when
87 driver. This console is used through a JTAG only on ARM. If you don't have
91 bool "RISC-V SBI console support"
95 This enables support for console output via RISC-V SBI calls, which
96 is normally used only during boot to output printk.
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| /kernel/linux/linux-6.6/arch/powerpc/ |
| D | Kconfig.debug | 1 # SPDX-License-Identifier: GPL-2.0
4 bool "Don't build arch/powerpc code with -Werror"
7 arch/powerpc with the -Werror flag (which means warnings
11 arch/powerpc code caused by a warning, and you don't feel
47 emulated by the in-kernel emulator. Counters for the various classes
50 system. Optionally (controlled by
51 powerpc/emulated_instructions/do_warn in debugfs), rate-limited
56 bool "Run self-tests of the code-patching code"
78 bool "Run self-tests of the feature-fixup code"
82 bool "Run self-tests of the MSI bitmap code"
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| /kernel/linux/linux-5.10/arch/powerpc/ |
| D | Kconfig.debug | 1 # SPDX-License-Identifier: GPL-2.0
4 bool "Don't build arch/powerpc code with -Werror"
7 arch/powerpc with the -Werror flag (which means warnings
11 arch/powerpc code caused by a warning, and you don't feel
47 emulated by the in-kernel emulator. Counters for the various classes
50 system. Optionally (controlled by
51 powerpc/emulated_instructions/do_warn in debugfs), rate-limited
56 bool "Run self-tests of the code-patching code"
78 bool "Run self-tests of the feature-fixup code"
82 bool "Run self-tests of the MSI bitmap code"
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| /kernel/linux/linux-6.6/drivers/tty/hvc/ |
| D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0
8 It will automatically be selected if one of the back-end console drivers
38 bool "IBM RTAS Console support"
42 IBM Console device driver which makes use of RTAS
51 This driver provides a Hypervisor console (HVC) back-end to access
76 This is meant to be used during HW bring up or debugging when
87 driver. This console is used through a JTAG only on ARM. If you don't have
110 bool "RISC-V SBI console support"
114 This enables support for console output via RISC-V SBI calls, which
115 is normally used only during boot to output printk.
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| /kernel/linux/linux-6.6/arch/powerpc/mm/ |
| D | numa.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
65 [0 ... MAX_NUMNODES - 1] = { [0 ... MAX_NUMNODES - 1] = -1 }
67 static int numa_id_index_table[MAX_NUMNODES] = { [0 ... MAX_NUMNODES - 1] = NUMA_NO_NODE };
143 numa_cpu_lookup_table[cpu] = -1; in reset_numa_cpu_lookup_table()
177 int index = primary_domain_index - 1; in __associativity_to_nid()
190 * Returns nid in the range [0..nr_node_ids], or -1 if no useful NUMA
272 * or -1 if not found.
293 if (nid != -1) in of_node_to_nid()
316 int index = be32_to_cpu(distance_ref_points[i]) - 1; in __initialize_form1_numa_distance()
340 * Used to update distance information w.r.t newly added node.
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| /kernel/linux/linux-5.10/arch/powerpc/platforms/ |
| D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0
35 bool "ePAPR para-virtualization support"
37 Enables ePAPR para-virtualization support for guests.
46 a hypervisor. This option is not user-selectable but should
47 be selected by all platforms that need it.
62 bool "Device-tree based CPU feature discovery & setup"
73 bool "RTAS based debug console"
105 The driver provides a way to wake up the system by MPIC
121 registers are used for inter-processor communication.
142 bool "Proc interface to RTAS"
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