#endif
#include <linux/limits.h>
-#include <sys/un.h>
-#include <rte_atomic.h>
-
-/* Maximum number of CPUs */
-#define CHANNEL_CMDS_MAX_CPUS 64
-#if CHANNEL_CMDS_MAX_CPUS > 64
-#error Maximum number of cores is 64, overflow is guaranteed to \
- cause problems with VM Power Management
-#endif
+#include <linux/un.h>
+#include <stdbool.h>
/* Maximum name length including '\0' terminator */
#define CHANNEL_MGR_MAX_NAME_LEN 64
-/* Maximum number of channels to each Virtual Machine */
-#define CHANNEL_MGR_MAX_CHANNELS 64
-
/* Hypervisor Path for libvirt(qemu/KVM) */
#define CHANNEL_MGR_DEFAULT_HV_PATH "qemu:///system"
/* File socket directory */
#define CHANNEL_MGR_SOCKET_PATH "/tmp/powermonitor/"
-#ifndef UNIX_PATH_MAX
-struct sockaddr_un _sockaddr_un;
-#define UNIX_PATH_MAX sizeof(_sockaddr_un.sun_path)
-#endif
+/* FIFO file name template */
+#define CHANNEL_MGR_FIFO_PATTERN_NAME "fifo"
#define MAX_CLIENTS 64
#define MAX_VCPUS 20
uint8_t num_cpus;
};
-struct libvirt_vm_info lvm_info[MAX_CLIENTS];
+extern struct libvirt_vm_info lvm_info[MAX_CLIENTS];
/* Communication Channel Status */
enum channel_status { CHANNEL_MGR_CHANNEL_DISCONNECTED = 0,
CHANNEL_MGR_CHANNEL_CONNECTED,
struct vm_info {
char name[CHANNEL_MGR_MAX_NAME_LEN]; /**< VM name */
enum vm_status status; /**< libvirt status */
- uint64_t pcpu_mask[CHANNEL_CMDS_MAX_CPUS]; /**< pCPU mask for each vCPU */
+ uint16_t pcpu_map[RTE_MAX_LCORE]; /**< pCPU map to vCPU */
unsigned num_vcpus; /**< number of vCPUS */
- struct channel_info channels[CHANNEL_MGR_MAX_CHANNELS]; /**< Array of channel_info */
+ struct channel_info channels[RTE_MAX_LCORE]; /**< channel_info array */
unsigned num_channels; /**< Number of channels */
+ int allow_query; /**< is query allowed */
};
/**
void channel_manager_exit(void);
/**
- * Get the Physical CPU mask for VM lcore channel(vcpu), result is assigned to
- * core_mask.
+ * Get the Physical CPU for VM lcore channel(vcpu).
* It is not thread-safe.
*
* @param chan_info
* - 0 on error.
* - >0 on success.
*/
-uint64_t get_pcpus_mask(struct channel_info *chan_info, unsigned vcpu);
+uint16_t get_pcpu(struct channel_info *chan_info, unsigned int vcpu);
/**
- * Set the Physical CPU mask for the specified vCPU.
+ * Set the Physical CPU for the specified vCPU.
* It is not thread-safe.
*
* @param name
* @param vcpu
* The virtual CPU to set.
*
- * @param core_mask
- * The core mask of the physical CPU(s) to bind the vCPU
+ * @param core_num
+ * The core number of the physical CPU(s) to bind the vCPU
*
* @return
* - 0 on success.
* - Negative on error.
*/
-int set_pcpus_mask(char *vm_name, unsigned vcpu, uint64_t core_mask);
+int set_pcpu(char *vm_name, unsigned int vcpu, unsigned int pcpu);
/**
- * Set the Physical CPU for the specified vCPU.
- * It is not thread-safe.
+ * Allow or disallow queries for specified VM.
+ * It is thread-safe.
*
* @param name
- * Virtual Machine name to lookup
- *
- * @param vcpu
- * The virtual CPU to set.
+ * Virtual Machine name to lookup.
*
- * @param core_num
- * The core number of the physical CPU(s) to bind the vCPU
+ * @param allow_query
+ * Query status to be set.
*
* @return
* - 0 on success.
* - Negative on error.
*/
-int set_pcpu(char *vm_name, unsigned vcpu, unsigned core_num);
+int set_query_status(char *vm_name, bool allow_query);
+
/**
* Add a VM as specified by name to the Channel Manager. The name must
* correspond to a valid libvirt domain name.
unsigned num_channels);
/**
- * Set up a fifo by which host applications can send command an policies
+ * Set up fifos by which host applications can send command an policies
* through a fifo to the vm_power_manager
*
* @return
* - 0 for success
*/
-int add_host_channel(void);
+int add_host_channels(void);
/**
* Remove a channel definition from the channel manager. This must only be