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Code Issues Releases Wiki Activity

Hypervisor helper functions.

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This commit is contained in:
Annika Wierichs 2017-11-12 16:51:46 +01:00
parent 69f2b1cef5
commit 657678f0b2
2 changed files with 15 additions and 3 deletions
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1
include/hermit/ibv.h
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@ -40,6 +40,7 @@
extern "C" {
#endif
// TODO: File necessary?
//struct ibv_device** ibv_get_device_list(int *num_devices);

17
tools/uhyve-ibv.c
View file

@ -57,6 +57,11 @@ const char* ibv_get_device_name(struct ibv_device *device);
int ibv_query_port(struct ibv_context * context, uint8_t port_num, struct ibv_port_attr * port_attr);
struct ibv_comp_channel * ibv_create_comp_channel(struct ibv_context * context);
inline unsigned get_parameter_data(struct kvm_run * run) {
unsigned data = guest_mem + *((unsigned*)((size_t)run+run->io.data_offset));
return data;
}
void call_ibv_open_device(struct kvm_run * run, uint8_t * guest_mem) {
unsigned data = *((unsigned*)((size_t)run+run->io.data_offset));
@ -91,10 +96,16 @@ void call_ibv_query_port(struct kvm_run * run, uint8_t * guest_mem) {
}
// Return done
void guest_to_host_ibv_create_comp_channel_t(struct uhyve_ibv_create_comp_channel_t * args, uint8_t * guest_mem) {
args->context += guest_mem;
args->ret += guest_mem;
}
void call_ibv_create_comp_channel(struct kvm_run * run, uint8_t * guest_mem) {
unsigned data = *((unsigned*)((size_t)run+run->io.data_offset));
uhyve_ibv_create_comp_channel_t * args = (uhyve_ibv_create_comp_channel_t *) (guest_mem + data);
unsigned data = get_parameter_data(run);
uhyve_ibv_create_comp_channel_t * args = (uhyve_ibv_create_comp_channel_t *) data;
guest_to_host_ibv_create_comp_channel_t(args);
struct ibv_comp_channel * host_ret = ibv_create_comp_channel(guest_mem+(size_t)args->context);
host_ret->context -= guest_mem; // Should be in separate function.