Contributors: 31
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Jeremy Fitzhardinge |
736 |
55.72% |
39 |
32.50% |
| Juergen Gross |
109 |
8.25% |
21 |
17.50% |
| Vitaly Kuznetsov |
94 |
7.12% |
7 |
5.83% |
| Boris Ostrovsky |
93 |
7.04% |
5 |
4.17% |
| Konrad Rzeszutek Wilk |
41 |
3.10% |
7 |
5.83% |
| Stefano Stabellini |
30 |
2.27% |
4 |
3.33% |
| Ben Guthro |
25 |
1.89% |
1 |
0.83% |
| Jan Beulich |
24 |
1.82% |
3 |
2.50% |
| David Vrabel |
17 |
1.29% |
2 |
1.67% |
| Roger Pau Monné |
14 |
1.06% |
3 |
2.50% |
| Arnd Bergmann |
14 |
1.06% |
1 |
0.83% |
| Mike Travis |
13 |
0.98% |
3 |
2.50% |
| Peter Zijlstra |
13 |
0.98% |
2 |
1.67% |
| Daniel Kiper |
13 |
0.98% |
1 |
0.83% |
| Pavel Machek |
12 |
0.91% |
1 |
0.83% |
| Alex Nixon |
12 |
0.91% |
2 |
1.67% |
| Joao Martins |
7 |
0.53% |
1 |
0.83% |
| Jens Axboe |
6 |
0.45% |
1 |
0.83% |
| Thomas Gleixner |
6 |
0.45% |
1 |
0.83% |
| Donald Dutile |
6 |
0.45% |
1 |
0.83% |
| Jason A. Donenfeld |
5 |
0.38% |
1 |
0.83% |
| Andi Kleen |
5 |
0.38% |
2 |
1.67% |
| Miroslav Benes |
4 |
0.30% |
1 |
0.83% |
| Ian Campbell |
4 |
0.30% |
2 |
1.67% |
| Ankur Arora |
4 |
0.30% |
2 |
1.67% |
| Bewith Tej |
4 |
0.30% |
1 |
0.83% |
| Christoph Lameter |
3 |
0.23% |
1 |
0.83% |
| Isaku Yamahata |
3 |
0.23% |
1 |
0.83% |
| Xiong Zhang |
2 |
0.15% |
1 |
0.83% |
| Greg Kroah-Hartman |
1 |
0.08% |
1 |
0.83% |
| Alex Shi |
1 |
0.08% |
1 |
0.83% |
| Total |
1321 |
|
120 |
|
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef XEN_OPS_H
#define XEN_OPS_H
#include <linux/init.h>
#include <linux/clocksource.h>
#include <linux/irqreturn.h>
#include <linux/linkage.h>
#include <xen/interface/xenpmu.h>
#include <xen/xen-ops.h>
#include <asm/page.h>
#include <trace/events/xen.h>
/* These are code, but not functions. Defined in entry.S */
extern const char xen_failsafe_callback[];
void xen_entry_SYSENTER_compat(void);
#ifdef CONFIG_X86_64
void xen_entry_SYSCALL_64(void);
void xen_entry_SYSCALL_compat(void);
#endif
extern void *xen_initial_gdt;
struct trap_info;
void xen_copy_trap_info(struct trap_info *traps);
DECLARE_PER_CPU_ALIGNED(struct vcpu_info, xen_vcpu_info);
DECLARE_PER_CPU(unsigned long, xen_cr3);
extern struct start_info *xen_start_info;
extern struct shared_info xen_dummy_shared_info;
extern struct shared_info *HYPERVISOR_shared_info;
void xen_setup_mfn_list_list(void);
void xen_build_mfn_list_list(void);
void xen_setup_machphys_mapping(void);
void xen_setup_kernel_pagetable(pgd_t *pgd, unsigned long max_pfn);
void __init xen_reserve_special_pages(void);
void __init xen_pt_check_e820(void);
void xen_mm_pin_all(void);
void xen_mm_unpin_all(void);
#ifdef CONFIG_X86_64
void __init xen_relocate_p2m(void);
#endif
bool __init xen_is_e820_reserved(phys_addr_t start, phys_addr_t size);
unsigned long __ref xen_chk_extra_mem(unsigned long pfn);
void __init xen_inv_extra_mem(void);
void __init xen_remap_memory(void);
phys_addr_t __init xen_find_free_area(phys_addr_t size);
char * __init xen_memory_setup(void);
void __init xen_arch_setup(void);
void xen_banner(void);
void xen_enable_sysenter(void);
void xen_enable_syscall(void);
void xen_vcpu_restore(void);
void xen_hvm_init_shared_info(void);
void xen_unplug_emulated_devices(void);
void __init xen_build_dynamic_phys_to_machine(void);
void __init xen_vmalloc_p2m_tree(void);
void xen_init_irq_ops(void);
void xen_setup_timer(int cpu);
void xen_setup_runstate_info(int cpu);
void xen_teardown_timer(int cpu);
void xen_setup_cpu_clockevents(void);
void xen_save_time_memory_area(void);
void xen_restore_time_memory_area(void);
void xen_init_time_ops(void);
void xen_hvm_init_time_ops(void);
bool xen_vcpu_stolen(int vcpu);
void xen_vcpu_setup(int cpu);
void xen_vcpu_info_reset(int cpu);
void xen_setup_vcpu_info_placement(void);
#ifdef CONFIG_SMP
void xen_smp_init(void);
void __init xen_hvm_smp_init(void);
extern cpumask_var_t xen_cpu_initialized_map;
#else
static inline void xen_smp_init(void) {}
static inline void xen_hvm_smp_init(void) {}
#endif
#ifdef CONFIG_PARAVIRT_SPINLOCKS
void __init xen_init_spinlocks(void);
void xen_init_lock_cpu(int cpu);
void xen_uninit_lock_cpu(int cpu);
#else
static inline void xen_init_spinlocks(void)
{
}
static inline void xen_init_lock_cpu(int cpu)
{
}
static inline void xen_uninit_lock_cpu(int cpu)
{
}
#endif
struct dom0_vga_console_info;
#ifdef CONFIG_XEN_DOM0
void __init xen_init_vga(const struct dom0_vga_console_info *, size_t size,
struct screen_info *);
#else
static inline void __init xen_init_vga(const struct dom0_vga_console_info *info,
size_t size, struct screen_info *si)
{
}
#endif
void xen_add_preferred_consoles(void);
void __init xen_init_apic(void);
#ifdef CONFIG_XEN_EFI
extern void xen_efi_init(struct boot_params *boot_params);
#else
static inline void __init xen_efi_init(struct boot_params *boot_params)
{
}
#endif
__visible void xen_irq_enable_direct(void);
__visible void xen_irq_disable_direct(void);
__visible unsigned long xen_save_fl_direct(void);
__visible unsigned long xen_read_cr2(void);
__visible unsigned long xen_read_cr2_direct(void);
/* These are not functions, and cannot be called normally */
__visible void xen_iret(void);
extern int xen_panic_handler_init(void);
int xen_cpuhp_setup(int (*cpu_up_prepare_cb)(unsigned int),
int (*cpu_dead_cb)(unsigned int));
void xen_pin_vcpu(int cpu);
void xen_emergency_restart(void);
void xen_force_evtchn_callback(void);
#ifdef CONFIG_XEN_PV
void xen_pv_pre_suspend(void);
void xen_pv_post_suspend(int suspend_cancelled);
void xen_start_kernel(struct start_info *si);
#else
static inline void xen_pv_pre_suspend(void) {}
static inline void xen_pv_post_suspend(int suspend_cancelled) {}
#endif
#ifdef CONFIG_XEN_PVHVM
void xen_hvm_post_suspend(int suspend_cancelled);
#else
static inline void xen_hvm_post_suspend(int suspend_cancelled) {}
#endif
/*
* The maximum amount of extra memory compared to the base size. The
* main scaling factor is the size of struct page. At extreme ratios
* of base:extra, all the base memory can be filled with page
* structures for the extra memory, leaving no space for anything
* else.
*
* 10x seems like a reasonable balance between scaling flexibility and
* leaving a practically usable system.
*/
#define EXTRA_MEM_RATIO (10)
void xen_add_extra_mem(unsigned long start_pfn, unsigned long n_pfns);
struct dentry * __init xen_init_debugfs(void);
enum pt_level {
PT_PGD,
PT_P4D,
PT_PUD,
PT_PMD,
PT_PTE
};
bool __set_phys_to_machine(unsigned long pfn, unsigned long mfn);
void set_pte_mfn(unsigned long vaddr, unsigned long pfn, pgprot_t flags);
unsigned long xen_read_cr2_direct(void);
void xen_init_mmu_ops(void);
void xen_hvm_init_mmu_ops(void);
/* Multicalls */
struct multicall_space
{
struct multicall_entry *mc;
void *args;
};
/* Allocate room for a multicall and its args */
struct multicall_space __xen_mc_entry(size_t args);
DECLARE_PER_CPU(unsigned long, xen_mc_irq_flags);
/* Call to start a batch of multiple __xen_mc_entry()s. Must be
paired with xen_mc_issue() */
static inline void xen_mc_batch(void)
{
unsigned long flags;
/* need to disable interrupts until this entry is complete */
local_irq_save(flags);
trace_xen_mc_batch(xen_get_lazy_mode());
__this_cpu_write(xen_mc_irq_flags, flags);
}
static inline struct multicall_space xen_mc_entry(size_t args)
{
xen_mc_batch();
return __xen_mc_entry(args);
}
/* Flush all pending multicalls */
void xen_mc_flush(void);
/* Issue a multicall if we're not in a lazy mode */
static inline void xen_mc_issue(unsigned mode)
{
trace_xen_mc_issue(mode);
if ((xen_get_lazy_mode() & mode) == 0)
xen_mc_flush();
/* restore flags saved in xen_mc_batch */
local_irq_restore(this_cpu_read(xen_mc_irq_flags));
}
/* Set up a callback to be called when the current batch is flushed */
void xen_mc_callback(void (*fn)(void *), void *data);
/*
* Try to extend the arguments of the previous multicall command. The
* previous command's op must match. If it does, then it attempts to
* extend the argument space allocated to the multicall entry by
* arg_size bytes.
*
* The returned multicall_space will return with mc pointing to the
* command on success, or NULL on failure, and args pointing to the
* newly allocated space.
*/
struct multicall_space xen_mc_extend_args(unsigned long op, size_t arg_size);
/* Do percpu data initialization for multicalls. */
void mc_percpu_init(unsigned int cpu);
extern bool is_xen_pmu;
irqreturn_t xen_pmu_irq_handler(int irq, void *dev_id);
#ifdef CONFIG_XEN_HAVE_VPMU
void xen_pmu_init(int cpu);
void xen_pmu_finish(int cpu);
#else
static inline void xen_pmu_init(int cpu) {}
static inline void xen_pmu_finish(int cpu) {}
#endif
bool pmu_msr_read(unsigned int msr, uint64_t *val, int *err);
bool pmu_msr_write(unsigned int msr, uint32_t low, uint32_t high, int *err);
int pmu_apic_update(uint32_t reg);
unsigned long long xen_read_pmc(int counter);
#ifdef CONFIG_SMP
void asm_cpu_bringup_and_idle(void);
asmlinkage void cpu_bringup_and_idle(void);
extern void xen_send_IPI_mask(const struct cpumask *mask,
int vector);
extern void xen_send_IPI_mask_allbutself(const struct cpumask *mask,
int vector);
extern void xen_send_IPI_allbutself(int vector);
extern void xen_send_IPI_all(int vector);
extern void xen_send_IPI_self(int vector);
extern int xen_smp_intr_init(unsigned int cpu);
extern void xen_smp_intr_free(unsigned int cpu);
int xen_smp_intr_init_pv(unsigned int cpu);
void xen_smp_intr_free_pv(unsigned int cpu);
void xen_smp_count_cpus(void);
void xen_smp_cpus_done(unsigned int max_cpus);
void xen_smp_send_reschedule(int cpu);
void xen_smp_send_call_function_ipi(const struct cpumask *mask);
void xen_smp_send_call_function_single_ipi(int cpu);
void __noreturn xen_cpu_bringup_again(unsigned long stack);
struct xen_common_irq {
int irq;
char *name;
};
#else /* CONFIG_SMP */
static inline int xen_smp_intr_init(unsigned int cpu)
{
return 0;
}
static inline void xen_smp_intr_free(unsigned int cpu) {}
static inline int xen_smp_intr_init_pv(unsigned int cpu)
{
return 0;
}
static inline void xen_smp_intr_free_pv(unsigned int cpu) {}
static inline void xen_smp_count_cpus(void) { }
#endif /* CONFIG_SMP */
#endif /* XEN_OPS_H */