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-rw-r--r--arch/s390/include/asm/airq.h1
-rw-r--r--arch/s390/include/asm/dma.h2
-rw-r--r--arch/s390/include/asm/hugetlb.h6
-rw-r--r--arch/s390/include/asm/kvm_host.h2
-rw-r--r--arch/s390/include/asm/sections.h4
-rw-r--r--arch/s390/include/asm/set_memory.h62
-rw-r--r--arch/s390/include/asm/setup.h1
-rw-r--r--arch/s390/include/asm/uv.h19
-rw-r--r--arch/s390/include/uapi/asm/kvm.h16
9 files changed, 73 insertions, 40 deletions
diff --git a/arch/s390/include/asm/airq.h b/arch/s390/include/asm/airq.h
index e82e5626e139..c4c28c2609a5 100644
--- a/arch/s390/include/asm/airq.h
+++ b/arch/s390/include/asm/airq.h
@@ -18,7 +18,6 @@ struct airq_struct {
struct hlist_node list; /* Handler queueing. */
void (*handler)(struct airq_struct *airq, struct tpi_info *tpi_info);
u8 *lsi_ptr; /* Local-Summary-Indicator pointer */
- u8 lsi_mask; /* Local-Summary-Indicator mask */
u8 isc; /* Interrupt-subclass */
u8 flags;
};
diff --git a/arch/s390/include/asm/dma.h b/arch/s390/include/asm/dma.h
index c260adb25997..7fe3e31956d7 100644
--- a/arch/s390/include/asm/dma.h
+++ b/arch/s390/include/asm/dma.h
@@ -9,6 +9,6 @@
* to DMA. It _is_ used for the s390 memory zone split at 2GB caused
* by the 31 bit heritage.
*/
-#define MAX_DMA_ADDRESS 0x80000000
+#define MAX_DMA_ADDRESS __va(0x80000000)
#endif /* _ASM_S390_DMA_H */
diff --git a/arch/s390/include/asm/hugetlb.h b/arch/s390/include/asm/hugetlb.h
index f07267875a19..deb198a61039 100644
--- a/arch/s390/include/asm/hugetlb.h
+++ b/arch/s390/include/asm/hugetlb.h
@@ -16,6 +16,8 @@
#define hugepages_supported() (MACHINE_HAS_EDAT1)
void set_huge_pte_at(struct mm_struct *mm, unsigned long addr,
+ pte_t *ptep, pte_t pte, unsigned long sz);
+void __set_huge_pte_at(struct mm_struct *mm, unsigned long addr,
pte_t *ptep, pte_t pte);
pte_t huge_ptep_get(pte_t *ptep);
pte_t huge_ptep_get_and_clear(struct mm_struct *mm,
@@ -65,7 +67,7 @@ static inline int huge_ptep_set_access_flags(struct vm_area_struct *vma,
int changed = !pte_same(huge_ptep_get(ptep), pte);
if (changed) {
huge_ptep_get_and_clear(vma->vm_mm, addr, ptep);
- set_huge_pte_at(vma->vm_mm, addr, ptep, pte);
+ __set_huge_pte_at(vma->vm_mm, addr, ptep, pte);
}
return changed;
}
@@ -74,7 +76,7 @@ static inline void huge_ptep_set_wrprotect(struct mm_struct *mm,
unsigned long addr, pte_t *ptep)
{
pte_t pte = huge_ptep_get_and_clear(mm, addr, ptep);
- set_huge_pte_at(mm, addr, ptep, pte_wrprotect(pte));
+ __set_huge_pte_at(mm, addr, ptep, pte_wrprotect(pte));
}
static inline pte_t mk_huge_pte(struct page *page, pgprot_t pgprot)
diff --git a/arch/s390/include/asm/kvm_host.h b/arch/s390/include/asm/kvm_host.h
index 91bfecb91321..427f9528a7b6 100644
--- a/arch/s390/include/asm/kvm_host.h
+++ b/arch/s390/include/asm/kvm_host.h
@@ -817,6 +817,8 @@ struct kvm_s390_cpu_model {
__u64 *fac_list;
u64 cpuid;
unsigned short ibc;
+ /* subset of available UV-features for pv-guests enabled by user space */
+ struct kvm_s390_vm_cpu_uv_feat uv_feat_guest;
};
typedef int (*crypto_hook)(struct kvm_vcpu *vcpu);
diff --git a/arch/s390/include/asm/sections.h b/arch/s390/include/asm/sections.h
index 3fecaa4e8b74..0486e6ef62bf 100644
--- a/arch/s390/include/asm/sections.h
+++ b/arch/s390/include/asm/sections.h
@@ -23,7 +23,7 @@
*/
#define __bootdata_preserved(var) __section(".boot.preserved.data." #var) var
-extern unsigned long __samode31, __eamode31;
-extern unsigned long __stext_amode31, __etext_amode31;
+extern char *__samode31, *__eamode31;
+extern char *__stext_amode31, *__etext_amode31;
#endif
diff --git a/arch/s390/include/asm/set_memory.h b/arch/s390/include/asm/set_memory.h
index 7a3eefd7a242..06fbabe2f66c 100644
--- a/arch/s390/include/asm/set_memory.h
+++ b/arch/s390/include/asm/set_memory.h
@@ -24,43 +24,41 @@ enum {
#define SET_MEMORY_INV BIT(_SET_MEMORY_INV_BIT)
#define SET_MEMORY_DEF BIT(_SET_MEMORY_DEF_BIT)
-int __set_memory(unsigned long addr, int numpages, unsigned long flags);
-
-static inline int set_memory_ro(unsigned long addr, int numpages)
-{
- return __set_memory(addr, numpages, SET_MEMORY_RO);
-}
-
-static inline int set_memory_rw(unsigned long addr, int numpages)
-{
- return __set_memory(addr, numpages, SET_MEMORY_RW);
-}
-
-static inline int set_memory_nx(unsigned long addr, int numpages)
-{
- return __set_memory(addr, numpages, SET_MEMORY_NX);
-}
-
-static inline int set_memory_x(unsigned long addr, int numpages)
-{
- return __set_memory(addr, numpages, SET_MEMORY_X);
-}
+int __set_memory(unsigned long addr, unsigned long numpages, unsigned long flags);
#define set_memory_rox set_memory_rox
-static inline int set_memory_rox(unsigned long addr, int numpages)
-{
- return __set_memory(addr, numpages, SET_MEMORY_RO | SET_MEMORY_X);
-}
-static inline int set_memory_rwnx(unsigned long addr, int numpages)
-{
- return __set_memory(addr, numpages, SET_MEMORY_RW | SET_MEMORY_NX);
+/*
+ * Generate two variants of each set_memory() function:
+ *
+ * set_memory_yy(unsigned long addr, int numpages);
+ * __set_memory_yy(void *start, void *end);
+ *
+ * The second variant exists for both convenience to avoid the usual
+ * (unsigned long) casts, but unlike the first variant it can also be used
+ * for areas larger than 8TB, which may happen at memory initialization.
+ */
+#define __SET_MEMORY_FUNC(fname, flags) \
+static inline int fname(unsigned long addr, int numpages) \
+{ \
+ return __set_memory(addr, numpages, (flags)); \
+} \
+ \
+static inline int __##fname(void *start, void *end) \
+{ \
+ unsigned long numpages; \
+ \
+ numpages = (end - start) >> PAGE_SHIFT; \
+ return __set_memory((unsigned long)start, numpages, (flags)); \
}
-static inline int set_memory_4k(unsigned long addr, int numpages)
-{
- return __set_memory(addr, numpages, SET_MEMORY_4K);
-}
+__SET_MEMORY_FUNC(set_memory_ro, SET_MEMORY_RO)
+__SET_MEMORY_FUNC(set_memory_rw, SET_MEMORY_RW)
+__SET_MEMORY_FUNC(set_memory_nx, SET_MEMORY_NX)
+__SET_MEMORY_FUNC(set_memory_x, SET_MEMORY_X)
+__SET_MEMORY_FUNC(set_memory_rox, SET_MEMORY_RO | SET_MEMORY_X)
+__SET_MEMORY_FUNC(set_memory_rwnx, SET_MEMORY_RW | SET_MEMORY_NX)
+__SET_MEMORY_FUNC(set_memory_4k, SET_MEMORY_4K)
int set_direct_map_invalid_noflush(struct page *page);
int set_direct_map_default_noflush(struct page *page);
diff --git a/arch/s390/include/asm/setup.h b/arch/s390/include/asm/setup.h
index b30fe91166e3..25cadc2b9cff 100644
--- a/arch/s390/include/asm/setup.h
+++ b/arch/s390/include/asm/setup.h
@@ -72,7 +72,6 @@ extern unsigned int zlib_dfltcc_support;
#define ZLIB_DFLTCC_INFLATE_ONLY 3
#define ZLIB_DFLTCC_FULL_DEBUG 4
-extern int noexec_disabled;
extern unsigned long ident_map_size;
extern unsigned long max_mappable;
diff --git a/arch/s390/include/asm/uv.h b/arch/s390/include/asm/uv.h
index d2cd42bb2c26..0e7bd3873907 100644
--- a/arch/s390/include/asm/uv.h
+++ b/arch/s390/include/asm/uv.h
@@ -99,6 +99,8 @@ enum uv_cmds_inst {
enum uv_feat_ind {
BIT_UV_FEAT_MISC = 0,
BIT_UV_FEAT_AIV = 1,
+ BIT_UV_FEAT_AP = 4,
+ BIT_UV_FEAT_AP_INTR = 5,
};
struct uv_cb_header {
@@ -159,7 +161,15 @@ struct uv_cb_cgc {
u64 guest_handle;
u64 conf_base_stor_origin;
u64 conf_virt_stor_origin;
- u64 reserved30;
+ u8 reserved30[6];
+ union {
+ struct {
+ u16 : 14;
+ u16 ap_instr_intr : 1;
+ u16 ap_allow_instr : 1;
+ };
+ u16 raw;
+ } flags;
u64 guest_stor_origin;
u64 guest_stor_len;
u64 guest_sca;
@@ -397,6 +407,13 @@ struct uv_info {
extern struct uv_info uv_info;
+static inline bool uv_has_feature(u8 feature_bit)
+{
+ if (feature_bit >= sizeof(uv_info.uv_feature_indications) * 8)
+ return false;
+ return test_bit_inv(feature_bit, &uv_info.uv_feature_indications);
+}
+
#ifdef CONFIG_PROTECTED_VIRTUALIZATION_GUEST
extern int prot_virt_guest;
diff --git a/arch/s390/include/uapi/asm/kvm.h b/arch/s390/include/uapi/asm/kvm.h
index a73cf01a1606..abe926d43cbe 100644
--- a/arch/s390/include/uapi/asm/kvm.h
+++ b/arch/s390/include/uapi/asm/kvm.h
@@ -159,6 +159,22 @@ struct kvm_s390_vm_cpu_subfunc {
__u8 reserved[1728];
};
+#define KVM_S390_VM_CPU_PROCESSOR_UV_FEAT_GUEST 6
+#define KVM_S390_VM_CPU_MACHINE_UV_FEAT_GUEST 7
+
+#define KVM_S390_VM_CPU_UV_FEAT_NR_BITS 64
+struct kvm_s390_vm_cpu_uv_feat {
+ union {
+ struct {
+ __u64 : 4;
+ __u64 ap : 1; /* bit 4 */
+ __u64 ap_intr : 1; /* bit 5 */
+ __u64 : 58;
+ };
+ __u64 feat;
+ };
+};
+
/* kvm attributes for crypto */
#define KVM_S390_VM_CRYPTO_ENABLE_AES_KW 0
#define KVM_S390_VM_CRYPTO_ENABLE_DEA_KW 1
generated by cgit v1.2.3 (git 2.39.0) at 2024-08-18 09:13:21 +0300