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31130a16d4
-----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQRTLbB6QfY48x44uB6AXGG7T9hjvgUCW3LkCgAKCRCAXGG7T9hj vtyfAQDTMUqfBlpz9XqFyTBTFRkP3aVtnEeE7BijYec+RXPOxwEAsiXwZPsmW/AN up+NEHqPvMOcZC8zJZ9THCiBgOxligY= =F51X -----END PGP SIGNATURE----- Merge tag 'for-linus-4.19-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip Pull xen updates from Juergen Gross: - add dma-buf functionality to Xen grant table handling - fix for booting the kernel as Xen PVH dom0 - fix for booting the kernel as a Xen PV guest with CONFIG_DEBUG_VIRTUAL enabled - other minor performance and style fixes * tag 'for-linus-4.19-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip: xen/balloon: fix balloon initialization for PVH Dom0 xen: don't use privcmd_call() from xen_mc_flush() xen/pv: Call get_cpu_address_sizes to set x86_virt/phys_bits xen/biomerge: Use true and false for boolean values xen/gntdev: don't dereference a null gntdev_dmabuf on allocation failure xen/spinlock: Don't use pvqspinlock if only 1 vCPU xen/gntdev: Implement dma-buf import functionality xen/gntdev: Implement dma-buf export functionality xen/gntdev: Add initial support for dma-buf UAPI xen/gntdev: Make private routines/structures accessible xen/gntdev: Allow mappings for DMA buffers xen/grant-table: Allow allocating buffers suitable for DMA xen/balloon: Share common memory reservation routines xen/grant-table: Make set/clear page private code shared
69 lines
2.1 KiB
C
69 lines
2.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef ARCH_X86_CPU_H
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#define ARCH_X86_CPU_H
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/* attempt to consolidate cpu attributes */
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struct cpu_dev {
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const char *c_vendor;
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/* some have two possibilities for cpuid string */
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const char *c_ident[2];
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void (*c_early_init)(struct cpuinfo_x86 *);
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void (*c_bsp_init)(struct cpuinfo_x86 *);
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void (*c_init)(struct cpuinfo_x86 *);
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void (*c_identify)(struct cpuinfo_x86 *);
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void (*c_detect_tlb)(struct cpuinfo_x86 *);
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void (*c_bsp_resume)(struct cpuinfo_x86 *);
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int c_x86_vendor;
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#ifdef CONFIG_X86_32
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/* Optional vendor specific routine to obtain the cache size. */
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unsigned int (*legacy_cache_size)(struct cpuinfo_x86 *,
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unsigned int);
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/* Family/stepping-based lookup table for model names. */
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struct legacy_cpu_model_info {
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int family;
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const char *model_names[16];
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} legacy_models[5];
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#endif
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};
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struct _tlb_table {
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unsigned char descriptor;
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char tlb_type;
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unsigned int entries;
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/* unsigned int ways; */
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char info[128];
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};
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#define cpu_dev_register(cpu_devX) \
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static const struct cpu_dev *const __cpu_dev_##cpu_devX __used \
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__attribute__((__section__(".x86_cpu_dev.init"))) = \
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&cpu_devX;
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extern const struct cpu_dev *const __x86_cpu_dev_start[],
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*const __x86_cpu_dev_end[];
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extern void get_cpu_cap(struct cpuinfo_x86 *c);
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extern void get_cpu_address_sizes(struct cpuinfo_x86 *c);
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extern void cpu_detect_cache_sizes(struct cpuinfo_x86 *c);
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extern void init_scattered_cpuid_features(struct cpuinfo_x86 *c);
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extern u32 get_scattered_cpuid_leaf(unsigned int level,
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unsigned int sub_leaf,
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enum cpuid_regs_idx reg);
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extern void init_intel_cacheinfo(struct cpuinfo_x86 *c);
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extern void init_amd_cacheinfo(struct cpuinfo_x86 *c);
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extern void detect_num_cpu_cores(struct cpuinfo_x86 *c);
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extern int detect_extended_topology_early(struct cpuinfo_x86 *c);
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extern int detect_extended_topology(struct cpuinfo_x86 *c);
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extern int detect_ht_early(struct cpuinfo_x86 *c);
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extern void detect_ht(struct cpuinfo_x86 *c);
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unsigned int aperfmperf_get_khz(int cpu);
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extern void x86_spec_ctrl_setup_ap(void);
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#endif /* ARCH_X86_CPU_H */
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