diff options
Diffstat (limited to 'include/linux/hyperv.h')
| -rw-r--r-- | include/linux/hyperv.h | 83 |
1 files changed, 10 insertions, 73 deletions
diff --git a/include/linux/hyperv.h b/include/linux/hyperv.h index 02a226bcf0ed..a59c5c3e95fb 100644 --- a/include/linux/hyperv.h +++ b/include/linux/hyperv.h @@ -24,7 +24,7 @@ #include <linux/mod_devicetable.h> #include <linux/interrupt.h> #include <linux/reciprocal_div.h> -#include <asm/hyperv-tlfs.h> +#include <hyperv/hvhdk.h> #define MAX_PAGE_BUFFER_COUNT 32 #define MAX_MULTIPAGE_BUFFER_COUNT 32 /* 128K */ @@ -371,19 +371,6 @@ struct vmtransfer_page_packet_header { struct vmtransfer_page_range ranges[]; } __packed; -struct vmgpadl_packet_header { - struct vmpacket_descriptor d; - u32 gpadl; - u32 reserved; -} __packed; - -struct vmadd_remove_transfer_page_set { - struct vmpacket_descriptor d; - u32 gpadl; - u16 xfer_pageset_id; - u16 reserved; -} __packed; - /* * This structure defines a range in guest physical space that can be made to * look virtually contiguous. @@ -395,30 +382,6 @@ struct gpa_range { }; /* - * This is the format for an Establish Gpadl packet, which contains a handle by - * which this GPADL will be known and a set of GPA ranges associated with it. - * This can be converted to a MDL by the guest OS. If there are multiple GPA - * ranges, then the resulting MDL will be "chained," representing multiple VA - * ranges. - */ -struct vmestablish_gpadl { - struct vmpacket_descriptor d; - u32 gpadl; - u32 range_cnt; - struct gpa_range range[1]; -} __packed; - -/* - * This is the format for a Teardown Gpadl packet, which indicates that the - * GPADL handle in the Establish Gpadl packet will never be referenced again. - */ -struct vmteardown_gpadl { - struct vmpacket_descriptor d; - u32 gpadl; - u32 reserved; /* for alignment to a 8-byte boundary */ -} __packed; - -/* * This is the format for a GPA-Direct packet, which contains a set of GPA * ranges, in addition to commands and/or data. */ @@ -429,25 +392,6 @@ struct vmdata_gpa_direct { struct gpa_range range[1]; } __packed; -/* This is the format for a Additional Data Packet. */ -struct vmadditional_data { - struct vmpacket_descriptor d; - u64 total_bytes; - u32 offset; - u32 byte_cnt; - unsigned char data[1]; -} __packed; - -union vmpacket_largest_possible_header { - struct vmpacket_descriptor simple_hdr; - struct vmtransfer_page_packet_header xfer_page_hdr; - struct vmgpadl_packet_header gpadl_hdr; - struct vmadd_remove_transfer_page_set add_rm_xfer_page_hdr; - struct vmestablish_gpadl establish_gpadl_hdr; - struct vmteardown_gpadl teardown_gpadl_hdr; - struct vmdata_gpa_direct data_gpa_direct_hdr; -}; - #define VMPACKET_DATA_START_ADDRESS(__packet) \ (void *)(((unsigned char *)__packet) + \ ((struct vmpacket_descriptor)__packet)->offset8 * 8) @@ -768,15 +712,6 @@ struct vmbus_close_msg { struct vmbus_channel_close_channel msg; }; -/* Define connection identifier type. */ -union hv_connection_id { - u32 asu32; - struct { - u32 id:24; - u32 reserved:8; - } u; -}; - enum vmbus_device_type { HV_IDE = 0, HV_SCSI, @@ -1067,6 +1002,12 @@ struct vmbus_channel { /* The max size of a packet on this channel */ u32 max_pkt_size; + + /* function to mmap ring buffer memory to the channel's sysfs ring attribute */ + int (*mmap_ring_buffer)(struct vmbus_channel *channel, struct vm_area_struct *vma); + + /* boolean to control visibility of sysfs for ring buffer */ + bool ring_sysfs_visible; }; #define lock_requestor(channel, flags) \ @@ -1226,13 +1167,6 @@ extern int vmbus_sendpacket(struct vmbus_channel *channel, enum vmbus_packet_type type, u32 flags); -extern int vmbus_sendpacket_pagebuffer(struct vmbus_channel *channel, - struct hv_page_buffer pagebuffers[], - u32 pagecount, - void *buffer, - u32 bufferlen, - u64 requestid); - extern int vmbus_sendpacket_mpb_desc(struct vmbus_channel *channel, struct vmbus_packet_mpb_array *mpb, u32 desc_size, @@ -1342,6 +1276,8 @@ static inline void *hv_get_drvdata(struct hv_device *dev) return dev_get_drvdata(&dev->device); } +struct device *hv_get_vmbus_root_device(void); + struct hv_ring_buffer_debug_info { u32 current_interrupt_mask; u32 current_read_index; @@ -1670,6 +1606,7 @@ int vmbus_send_tl_connect_request(const guid_t *shv_guest_servie_id, const guid_t *shv_host_servie_id); int vmbus_send_modifychannel(struct vmbus_channel *channel, u32 target_vp); void vmbus_set_event(struct vmbus_channel *channel); +int vmbus_channel_set_cpu(struct vmbus_channel *channel, u32 target_cpu); /* Get the start of the ring buffer. */ static inline void * |