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authorLinus Torvalds <torvalds@linux-foundation.org>2022-01-16 16:53:00 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2022-01-16 16:53:00 +0300
commitcb3f09f9afe5286c0aed7a1c5cc71495de166efb (patch)
treea111fdac288c8c45280224f108a956f88c2b70a6 /include
parent4d66020dcef83314092f2c8c89152a8d122627e2 (diff)
parent4eea5332d67d8ae6ba5717ec0f4e671fdbd222e7 (diff)
downloadlinux-cb3f09f9afe5286c0aed7a1c5cc71495de166efb.tar.xz
Merge tag 'hyperv-next-signed-20220114' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux
Pull hyperv updates from Wei Liu: - More patches for Hyper-V isolation VM support (Tianyu Lan) - Bug fixes and clean-up patches from various people * tag 'hyperv-next-signed-20220114' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux: scsi: storvsc: Fix storvsc_queuecommand() memory leak x86/hyperv: Properly deal with empty cpumasks in hyperv_flush_tlb_multi() Drivers: hv: vmbus: Initialize request offers message for Isolation VM scsi: storvsc: Fix unsigned comparison to zero swiotlb: Add CONFIG_HAS_IOMEM check around swiotlb_mem_remap() x86/hyperv: Fix definition of hv_ghcb_pg variable Drivers: hv: Fix definition of hypercall input & output arg variables net: netvsc: Add Isolation VM support for netvsc driver scsi: storvsc: Add Isolation VM support for storvsc driver hyper-v: Enable swiotlb bounce buffer for Isolation VM x86/hyper-v: Add hyperv Isolation VM check in the cc_platform_has() swiotlb: Add swiotlb bounce buffer remap function for HV IVM
Diffstat (limited to 'include')
-rw-r--r--include/asm-generic/mshyperv.h6
-rw-r--r--include/linux/hyperv.h6
-rw-r--r--include/linux/swiotlb.h6
3 files changed, 16 insertions, 2 deletions
diff --git a/include/asm-generic/mshyperv.h b/include/asm-generic/mshyperv.h
index 3e2248ac328e..c08758b6b364 100644
--- a/include/asm-generic/mshyperv.h
+++ b/include/asm-generic/mshyperv.h
@@ -49,8 +49,8 @@ struct ms_hyperv_info {
};
extern struct ms_hyperv_info ms_hyperv;
-extern void __percpu **hyperv_pcpu_input_arg;
-extern void __percpu **hyperv_pcpu_output_arg;
+extern void * __percpu *hyperv_pcpu_input_arg;
+extern void * __percpu *hyperv_pcpu_output_arg;
extern u64 hv_do_hypercall(u64 control, void *inputaddr, void *outputaddr);
extern u64 hv_do_fast_hypercall8(u16 control, u64 input8);
@@ -269,6 +269,8 @@ bool hv_isolation_type_snp(void);
u64 hv_ghcb_hypercall(u64 control, void *input, void *output, u32 input_size);
void hyperv_cleanup(void);
bool hv_query_ext_cap(u64 cap_query);
+void *hv_map_memory(void *addr, unsigned long size);
+void hv_unmap_memory(void *addr);
#else /* CONFIG_HYPERV */
static inline bool hv_is_hyperv_initialized(void) { return false; }
static inline bool hv_is_hibernation_supported(void) { return false; }
diff --git a/include/linux/hyperv.h b/include/linux/hyperv.h
index b823311eac79..f565a8938836 100644
--- a/include/linux/hyperv.h
+++ b/include/linux/hyperv.h
@@ -1261,6 +1261,7 @@ struct hv_device {
struct vmbus_channel *channel;
struct kset *channels_kset;
+ struct device_dma_parameters dma_parms;
/* place holder to keep track of the dir for hv device in debugfs */
struct dentry *debug_dir;
@@ -1583,6 +1584,11 @@ struct hyperv_service_callback {
void (*callback)(void *context);
};
+struct hv_dma_range {
+ dma_addr_t dma;
+ u32 mapping_size;
+};
+
#define MAX_SRV_VER 0x7ffffff
extern bool vmbus_prep_negotiate_resp(struct icmsg_hdr *icmsghdrp, u8 *buf, u32 buflen,
const int *fw_version, int fw_vercnt,
diff --git a/include/linux/swiotlb.h b/include/linux/swiotlb.h
index 569272871375..f6c3638255d5 100644
--- a/include/linux/swiotlb.h
+++ b/include/linux/swiotlb.h
@@ -73,6 +73,9 @@ extern enum swiotlb_force swiotlb_force;
* @end: The end address of the swiotlb memory pool. Used to do a quick
* range check to see if the memory was in fact allocated by this
* API.
+ * @vaddr: The vaddr of the swiotlb memory pool. The swiotlb memory pool
+ * may be remapped in the memory encrypted case and store virtual
+ * address for bounce buffer operation.
* @nslabs: The number of IO TLB blocks (in groups of 64) between @start and
* @end. For default swiotlb, this is command line adjustable via
* setup_io_tlb_npages.
@@ -92,6 +95,7 @@ extern enum swiotlb_force swiotlb_force;
struct io_tlb_mem {
phys_addr_t start;
phys_addr_t end;
+ void *vaddr;
unsigned long nslabs;
unsigned long used;
unsigned int index;
@@ -186,4 +190,6 @@ static inline bool is_swiotlb_for_alloc(struct device *dev)
}
#endif /* CONFIG_DMA_RESTRICTED_POOL */
+extern phys_addr_t swiotlb_unencrypted_base;
+
#endif /* __LINUX_SWIOTLB_H */