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-rw-r--r--arch/s390/include/asm/Kbuild1
-rw-r--r--arch/s390/include/asm/debug.h4
-rw-r--r--arch/s390/include/asm/diag.h3
-rw-r--r--arch/s390/include/asm/ftrace.h17
-rw-r--r--arch/s390/include/asm/io.h21
-rw-r--r--arch/s390/include/asm/kfence.h2
-rw-r--r--arch/s390/include/asm/kvm_host.h3
-rw-r--r--arch/s390/include/asm/maccess.h3
-rw-r--r--arch/s390/include/asm/page.h12
-rw-r--r--arch/s390/include/asm/pfault.h26
-rw-r--r--arch/s390/include/asm/pgalloc.h8
-rw-r--r--arch/s390/include/asm/pgtable.h35
-rw-r--r--arch/s390/include/asm/sclp.h1
-rw-r--r--arch/s390/include/asm/setup.h9
-rw-r--r--arch/s390/include/asm/tlb.h4
-rw-r--r--arch/s390/include/asm/uv.h6
16 files changed, 117 insertions, 38 deletions
diff --git a/arch/s390/include/asm/Kbuild b/arch/s390/include/asm/Kbuild
index 1a18d7b82f86..4b904110d27c 100644
--- a/arch/s390/include/asm/Kbuild
+++ b/arch/s390/include/asm/Kbuild
@@ -5,6 +5,5 @@ generated-y += syscall_table.h
generated-y += unistd_nr.h
generic-y += asm-offsets.h
-generic-y += export.h
generic-y += kvm_types.h
generic-y += mcs_spinlock.h
diff --git a/arch/s390/include/asm/debug.h b/arch/s390/include/asm/debug.h
index ac665b9670c5..ccd4e148b5ed 100644
--- a/arch/s390/include/asm/debug.h
+++ b/arch/s390/include/asm/debug.h
@@ -222,7 +222,7 @@ static inline debug_entry_t *debug_text_event(debug_info_t *id, int level,
/*
* IMPORTANT: Use "%s" in sprintf format strings with care! Only pointers are
- * stored in the s390dbf. See Documentation/s390/s390dbf.rst for more details!
+ * stored in the s390dbf. See Documentation/arch/s390/s390dbf.rst for more details!
*/
extern debug_entry_t *
__debug_sprintf_event(debug_info_t *id, int level, char *string, ...)
@@ -350,7 +350,7 @@ static inline debug_entry_t *debug_text_exception(debug_info_t *id, int level,
/*
* IMPORTANT: Use "%s" in sprintf format strings with care! Only pointers are
- * stored in the s390dbf. See Documentation/s390/s390dbf.rst for more details!
+ * stored in the s390dbf. See Documentation/arch/s390/s390dbf.rst for more details!
*/
extern debug_entry_t *
__debug_sprintf_exception(debug_info_t *id, int level, char *string, ...)
diff --git a/arch/s390/include/asm/diag.h b/arch/s390/include/asm/diag.h
index 902e0330dd91..bed804137537 100644
--- a/arch/s390/include/asm/diag.h
+++ b/arch/s390/include/asm/diag.h
@@ -36,6 +36,7 @@ enum diag_stat_enum {
DIAG_STAT_X304,
DIAG_STAT_X308,
DIAG_STAT_X318,
+ DIAG_STAT_X320,
DIAG_STAT_X500,
NR_DIAG_STAT
};
@@ -108,6 +109,8 @@ enum diag204_sc {
DIAG204_SUBC_STIB7 = 7
};
+#define DIAG204_SUBCODE_MASK 0xffff
+
/* The two available diag 204 data formats */
enum diag204_format {
DIAG204_INFO_SIMPLE = 0,
diff --git a/arch/s390/include/asm/ftrace.h b/arch/s390/include/asm/ftrace.h
index e5c5cb1207e2..5a82b08f03cd 100644
--- a/arch/s390/include/asm/ftrace.h
+++ b/arch/s390/include/asm/ftrace.h
@@ -54,6 +54,23 @@ static __always_inline struct pt_regs *arch_ftrace_get_regs(struct ftrace_regs *
return NULL;
}
+#ifdef CONFIG_FUNCTION_GRAPH_TRACER
+struct fgraph_ret_regs {
+ unsigned long gpr2;
+ unsigned long fp;
+};
+
+static __always_inline unsigned long fgraph_ret_regs_return_value(struct fgraph_ret_regs *ret_regs)
+{
+ return ret_regs->gpr2;
+}
+
+static __always_inline unsigned long fgraph_ret_regs_frame_pointer(struct fgraph_ret_regs *ret_regs)
+{
+ return ret_regs->fp;
+}
+#endif /* CONFIG_FUNCTION_GRAPH_TRACER */
+
static __always_inline unsigned long
ftrace_regs_get_instruction_pointer(const struct ftrace_regs *fregs)
{
diff --git a/arch/s390/include/asm/io.h b/arch/s390/include/asm/io.h
index e3882b012bfa..4453ad7c11ac 100644
--- a/arch/s390/include/asm/io.h
+++ b/arch/s390/include/asm/io.h
@@ -22,11 +22,18 @@ void unxlate_dev_mem_ptr(phys_addr_t phys, void *addr);
#define IO_SPACE_LIMIT 0
-void __iomem *ioremap_prot(phys_addr_t addr, size_t size, unsigned long prot);
-void __iomem *ioremap(phys_addr_t addr, size_t size);
-void __iomem *ioremap_wc(phys_addr_t addr, size_t size);
-void __iomem *ioremap_wt(phys_addr_t addr, size_t size);
-void iounmap(volatile void __iomem *addr);
+/*
+ * I/O memory mapping functions.
+ */
+#define ioremap_prot ioremap_prot
+#define iounmap iounmap
+
+#define _PAGE_IOREMAP pgprot_val(PAGE_KERNEL)
+
+#define ioremap_wc(addr, size) \
+ ioremap_prot((addr), (size), pgprot_val(pgprot_writecombine(PAGE_KERNEL)))
+#define ioremap_wt(addr, size) \
+ ioremap_prot((addr), (size), pgprot_val(pgprot_writethrough(PAGE_KERNEL)))
static inline void __iomem *ioport_map(unsigned long port, unsigned int nr)
{
@@ -51,10 +58,6 @@ static inline void ioport_unmap(void __iomem *p)
#define pci_iomap_wc pci_iomap_wc
#define pci_iomap_wc_range pci_iomap_wc_range
-#define ioremap ioremap
-#define ioremap_wt ioremap_wt
-#define ioremap_wc ioremap_wc
-
#define memcpy_fromio(dst, src, count) zpci_memcpy_fromio(dst, src, count)
#define memcpy_toio(dst, src, count) zpci_memcpy_toio(dst, src, count)
#define memset_io(dst, val, count) zpci_memset_io(dst, val, count)
diff --git a/arch/s390/include/asm/kfence.h b/arch/s390/include/asm/kfence.h
index d55ba878378b..e47fd8cbe701 100644
--- a/arch/s390/include/asm/kfence.h
+++ b/arch/s390/include/asm/kfence.h
@@ -35,7 +35,7 @@ static __always_inline void kfence_split_mapping(void)
static inline bool kfence_protect_page(unsigned long addr, bool protect)
{
- __kernel_map_pages(virt_to_page(addr), 1, !protect);
+ __kernel_map_pages(virt_to_page((void *)addr), 1, !protect);
return true;
}
diff --git a/arch/s390/include/asm/kvm_host.h b/arch/s390/include/asm/kvm_host.h
index 2bbc3d54959d..91bfecb91321 100644
--- a/arch/s390/include/asm/kvm_host.h
+++ b/arch/s390/include/asm/kvm_host.h
@@ -1028,6 +1028,9 @@ static inline int sie64a(struct kvm_s390_sie_block *sie_block, u64 *rsa)
extern char sie_exit;
+bool kvm_s390_pv_is_protected(struct kvm *kvm);
+bool kvm_s390_pv_cpu_is_protected(struct kvm_vcpu *vcpu);
+
extern int kvm_s390_gisc_register(struct kvm *kvm, u32 gisc);
extern int kvm_s390_gisc_unregister(struct kvm *kvm, u32 gisc);
diff --git a/arch/s390/include/asm/maccess.h b/arch/s390/include/asm/maccess.h
index cfec3141fdba..50225940d971 100644
--- a/arch/s390/include/asm/maccess.h
+++ b/arch/s390/include/asm/maccess.h
@@ -4,6 +4,9 @@
#include <linux/types.h>
+#define MEMCPY_REAL_SIZE PAGE_SIZE
+#define MEMCPY_REAL_MASK PAGE_MASK
+
struct iov_iter;
extern unsigned long __memcpy_real_area;
diff --git a/arch/s390/include/asm/page.h b/arch/s390/include/asm/page.h
index a9c138fcd2ad..cfec0743314e 100644
--- a/arch/s390/include/asm/page.h
+++ b/arch/s390/include/asm/page.h
@@ -191,8 +191,16 @@ int arch_make_page_accessible(struct page *page);
#define phys_to_page(phys) pfn_to_page(phys_to_pfn(phys))
#define page_to_phys(page) pfn_to_phys(page_to_pfn(page))
-#define pfn_to_virt(pfn) __va(pfn_to_phys(pfn))
-#define virt_to_pfn(kaddr) (phys_to_pfn(__pa(kaddr)))
+static inline void *pfn_to_virt(unsigned long pfn)
+{
+ return __va(pfn_to_phys(pfn));
+}
+
+static inline unsigned long virt_to_pfn(const void *kaddr)
+{
+ return phys_to_pfn(__pa(kaddr));
+}
+
#define pfn_to_kaddr(pfn) pfn_to_virt(pfn)
#define virt_to_page(kaddr) pfn_to_page(virt_to_pfn(kaddr))
diff --git a/arch/s390/include/asm/pfault.h b/arch/s390/include/asm/pfault.h
new file mode 100644
index 000000000000..a1bee4a1e470
--- /dev/null
+++ b/arch/s390/include/asm/pfault.h
@@ -0,0 +1,26 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright IBM Corp. 1999, 2023
+ */
+#ifndef _ASM_S390_PFAULT_H
+#define _ASM_S390_PFAULT_H
+
+#include <linux/errno.h>
+
+int __pfault_init(void);
+void __pfault_fini(void);
+
+static inline int pfault_init(void)
+{
+ if (IS_ENABLED(CONFIG_PFAULT))
+ return __pfault_init();
+ return -EOPNOTSUPP;
+}
+
+static inline void pfault_fini(void)
+{
+ if (IS_ENABLED(CONFIG_PFAULT))
+ __pfault_fini();
+}
+
+#endif /* _ASM_S390_PFAULT_H */
diff --git a/arch/s390/include/asm/pgalloc.h b/arch/s390/include/asm/pgalloc.h
index 17eb618f1348..376b4b23bdaa 100644
--- a/arch/s390/include/asm/pgalloc.h
+++ b/arch/s390/include/asm/pgalloc.h
@@ -86,7 +86,7 @@ static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long vmaddr)
if (!table)
return NULL;
crst_table_init(table, _SEGMENT_ENTRY_EMPTY);
- if (!pgtable_pmd_page_ctor(virt_to_page(table))) {
+ if (!pagetable_pmd_ctor(virt_to_ptdesc(table))) {
crst_table_free(mm, table);
return NULL;
}
@@ -97,7 +97,7 @@ static inline void pmd_free(struct mm_struct *mm, pmd_t *pmd)
{
if (mm_pmd_folded(mm))
return;
- pgtable_pmd_page_dtor(virt_to_page(pmd));
+ pagetable_pmd_dtor(virt_to_ptdesc(pmd));
crst_table_free(mm, (unsigned long *) pmd);
}
@@ -143,6 +143,10 @@ static inline void pmd_populate(struct mm_struct *mm,
#define pte_free_kernel(mm, pte) page_table_free(mm, (unsigned long *) pte)
#define pte_free(mm, pte) page_table_free(mm, (unsigned long *) pte)
+/* arch use pte_free_defer() implementation in arch/s390/mm/pgalloc.c */
+#define pte_free_defer pte_free_defer
+void pte_free_defer(struct mm_struct *mm, pgtable_t pgtable);
+
void vmem_map_init(void);
void *vmem_crst_alloc(unsigned long val);
pte_t *vmem_pte_alloc(void);
diff --git a/arch/s390/include/asm/pgtable.h b/arch/s390/include/asm/pgtable.h
index 83c5da39237d..fb3ee7758b76 100644
--- a/arch/s390/include/asm/pgtable.h
+++ b/arch/s390/include/asm/pgtable.h
@@ -47,6 +47,7 @@ static inline void update_page_count(int level, long count)
* tables contain all the necessary information.
*/
#define update_mmu_cache(vma, address, ptep) do { } while (0)
+#define update_mmu_cache_range(vmf, vma, addr, ptep, nr) do { } while (0)
#define update_mmu_cache_pmd(vma, address, ptep) do { } while (0)
/*
@@ -89,8 +90,6 @@ extern unsigned long __bootdata_preserved(VMALLOC_END);
extern struct page *__bootdata_preserved(vmemmap);
extern unsigned long __bootdata_preserved(vmemmap_size);
-#define VMEM_MAX_PHYS ((unsigned long) vmemmap)
-
extern unsigned long __bootdata_preserved(MODULES_VADDR);
extern unsigned long __bootdata_preserved(MODULES_END);
#define MODULES_VADDR MODULES_VADDR
@@ -1316,20 +1315,34 @@ pgprot_t pgprot_writecombine(pgprot_t prot);
pgprot_t pgprot_writethrough(pgprot_t prot);
/*
- * Certain architectures need to do special things when PTEs
- * within a page table are directly modified. Thus, the following
- * hook is made available.
+ * Set multiple PTEs to consecutive pages with a single call. All PTEs
+ * are within the same folio, PMD and VMA.
*/
-static inline void set_pte_at(struct mm_struct *mm, unsigned long addr,
- pte_t *ptep, pte_t entry)
+static inline void set_ptes(struct mm_struct *mm, unsigned long addr,
+ pte_t *ptep, pte_t entry, unsigned int nr)
{
if (pte_present(entry))
entry = clear_pte_bit(entry, __pgprot(_PAGE_UNUSED));
- if (mm_has_pgste(mm))
- ptep_set_pte_at(mm, addr, ptep, entry);
- else
- set_pte(ptep, entry);
+ if (mm_has_pgste(mm)) {
+ for (;;) {
+ ptep_set_pte_at(mm, addr, ptep, entry);
+ if (--nr == 0)
+ break;
+ ptep++;
+ entry = __pte(pte_val(entry) + PAGE_SIZE);
+ addr += PAGE_SIZE;
+ }
+ } else {
+ for (;;) {
+ set_pte(ptep, entry);
+ if (--nr == 0)
+ break;
+ ptep++;
+ entry = __pte(pte_val(entry) + PAGE_SIZE);
+ }
+ }
}
+#define set_ptes set_ptes
/*
* Conversion functions: convert a page and protection to a page entry,
diff --git a/arch/s390/include/asm/sclp.h b/arch/s390/include/asm/sclp.h
index dac7da88f61f..5742d23bba13 100644
--- a/arch/s390/include/asm/sclp.h
+++ b/arch/s390/include/asm/sclp.h
@@ -86,6 +86,7 @@ struct sclp_info {
unsigned char has_kss : 1;
unsigned char has_gisaf : 1;
unsigned char has_diag318 : 1;
+ unsigned char has_diag320 : 1;
unsigned char has_sipl : 1;
unsigned char has_sipl_eckd : 1;
unsigned char has_dirq : 1;
diff --git a/arch/s390/include/asm/setup.h b/arch/s390/include/asm/setup.h
index f191255c60db..b30fe91166e3 100644
--- a/arch/s390/include/asm/setup.h
+++ b/arch/s390/include/asm/setup.h
@@ -74,6 +74,7 @@ extern unsigned int zlib_dfltcc_support;
extern int noexec_disabled;
extern unsigned long ident_map_size;
+extern unsigned long max_mappable;
/* The Write Back bit position in the physaddr is given by the SLPC PCI */
extern unsigned long mio_wb_bit_mask;
@@ -117,14 +118,6 @@ extern unsigned int console_irq;
#define SET_CONSOLE_VT220 do { console_mode = 4; } while (0)
#define SET_CONSOLE_HVC do { console_mode = 5; } while (0)
-#ifdef CONFIG_PFAULT
-extern int pfault_init(void);
-extern void pfault_fini(void);
-#else /* CONFIG_PFAULT */
-#define pfault_init() ({-1;})
-#define pfault_fini() do { } while (0)
-#endif /* CONFIG_PFAULT */
-
#ifdef CONFIG_VMCP
void vmcp_cma_reserve(void);
#else
diff --git a/arch/s390/include/asm/tlb.h b/arch/s390/include/asm/tlb.h
index b91f4a9b044c..383b1f91442c 100644
--- a/arch/s390/include/asm/tlb.h
+++ b/arch/s390/include/asm/tlb.h
@@ -89,12 +89,12 @@ static inline void pmd_free_tlb(struct mmu_gather *tlb, pmd_t *pmd,
{
if (mm_pmd_folded(tlb->mm))
return;
- pgtable_pmd_page_dtor(virt_to_page(pmd));
+ pagetable_pmd_dtor(virt_to_ptdesc(pmd));
__tlb_adjust_range(tlb, address, PAGE_SIZE);
tlb->mm->context.flush_mm = 1;
tlb->freed_tables = 1;
tlb->cleared_puds = 1;
- tlb_remove_table(tlb, pmd);
+ tlb_remove_ptdesc(tlb, pmd);
}
/*
diff --git a/arch/s390/include/asm/uv.h b/arch/s390/include/asm/uv.h
index d6bb2f4f78d1..d2cd42bb2c26 100644
--- a/arch/s390/include/asm/uv.h
+++ b/arch/s390/include/asm/uv.h
@@ -463,6 +463,7 @@ static inline int is_prot_virt_host(void)
return prot_virt_host;
}
+int uv_pin_shared(unsigned long paddr);
int gmap_make_secure(struct gmap *gmap, unsigned long gaddr, void *uvcb);
int gmap_destroy_page(struct gmap *gmap, unsigned long gaddr);
int uv_destroy_owned_page(unsigned long paddr);
@@ -475,6 +476,11 @@ void setup_uv(void);
#define is_prot_virt_host() 0
static inline void setup_uv(void) {}
+static inline int uv_pin_shared(unsigned long paddr)
+{
+ return 0;
+}
+
static inline int uv_destroy_owned_page(unsigned long paddr)
{
return 0;
generated by cgit (git 2.34.1) at 2025-03-21 07:31:12 +0000