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/*
* parameters.h
* Brandon Azad
*/
#ifndef VOUCHER_SWAP__PARAMETERS_H_
#define VOUCHER_SWAP__PARAMETERS_H_
#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
#ifdef PARAMETERS_EXTERN
#define extern PARAMETERS_EXTERN
#endif
// Some helpful units.
#define KB (1024uLL)
#define MB (1024uLL * KB)
#define GB (1024uLL * MB)
// Generate the name for an offset.
#define OFFSET(base_, object_) _##base_##__##object_##__offset_
// Generate the name for the size of an object.
#define SIZE(object_) _##object_##__size_
// Generate the name for the size of a zalloc block of objects.
#define BLOCK_SIZE(object_) _##object_##__block_size_
// Generate the name for the number of elements in a zalloc block.
#define COUNT_PER_BLOCK(object_) _##object_##__per_block_
// Generate the name for the address of an object.
#define ADDRESS(object_) _##object_##__address_
// Generate the name for the static (unslid) address of an object.
#define STATIC_ADDRESS(object_) _##object_##__static_address_
// A convenience macro for accessing a field of a structure.
#define FIELD(object_, struct_, field_, type_) \
( *(type_ *) ( ((uint8_t *) object_) + OFFSET(struct_, field_) ) )
// The static base address of the kernel.
extern uint64_t STATIC_ADDRESS(kernel_base);
// The kernel_slide granularity.
extern uint64_t kernel_slide_step;
// Messages up to this size are allocated from the dedicated ipc.kmsgs zone.
extern size_t message_size_for_kmsg_zone;
// The size of elements in ipc.kmsgs.
extern size_t kmsg_zone_size;
// The maximum number of OOL ports in a single message.
extern size_t max_ool_ports_per_message;
// How much to allocate between sleeps while trying to trigger garbage collection.
extern size_t gc_step;
// Parameters for ipc_entry.
extern size_t SIZE(ipc_entry);
extern size_t OFFSET(ipc_entry, ie_object);
extern size_t OFFSET(ipc_entry, ie_bits);
extern size_t OFFSET(ipc_entry, ie_request);
// Parameters for ipc_port.
extern size_t SIZE(ipc_port);
extern size_t BLOCK_SIZE(ipc_port);
extern size_t COUNT_PER_BLOCK(ipc_port);
extern size_t OFFSET(ipc_port, ip_bits);
extern size_t OFFSET(ipc_port, ip_references);
extern size_t OFFSET(ipc_port, waitq_flags);
extern size_t OFFSET(ipc_port, imq_messages);
extern size_t OFFSET(ipc_port, imq_msgcount);
extern size_t OFFSET(ipc_port, imq_qlimit);
extern size_t OFFSET(ipc_port, ip_receiver);
extern size_t OFFSET(ipc_port, ip_kobject);
extern size_t OFFSET(ipc_port, ip_nsrequest);
extern size_t OFFSET(ipc_port, ip_requests);
extern size_t OFFSET(ipc_port, ip_mscount);
extern size_t OFFSET(ipc_port, ip_srights);
// Parameters for ipc_port_request.
extern size_t SIZE(ipc_port_request);
extern size_t OFFSET(ipc_port_request, ipr_soright);
// Parameters for struct ipc_space.
extern size_t OFFSET(ipc_space, is_table_size);
extern size_t OFFSET(ipc_space, is_table);
// Parameters for ipc_voucher.
extern size_t SIZE(ipc_voucher);
extern size_t BLOCK_SIZE(ipc_voucher);
extern size_t COUNT_PER_BLOCK(ipc_voucher);
// Parameters for struct proc.
extern size_t OFFSET(proc, p_pid);
extern size_t OFFSET(proc, p_ucred);
extern size_t OFFSET(proc, task);
extern size_t OFFSET(proc, p_list);
// Parameters for struct sysctl_oid.
extern size_t SIZE(sysctl_oid);
extern size_t OFFSET(sysctl_oid, oid_parent);
extern size_t OFFSET(sysctl_oid, oid_link);
extern size_t OFFSET(sysctl_oid, oid_kind);
extern size_t OFFSET(sysctl_oid, oid_handler);
extern size_t OFFSET(sysctl_oid, oid_version);
extern size_t OFFSET(sysctl_oid, oid_refcnt);
// Parameters for struct task.
extern size_t OFFSET(task, lck_mtx_type);
extern size_t OFFSET(task, ref_count);
extern size_t OFFSET(task, active);
extern size_t OFFSET(task, map);
extern size_t OFFSET(task, itk_space);
extern size_t OFFSET(task, bsd_info);
/*
* parameters_init
*
* Description:
* Initialize the parameters for the system.
*/
bool parameters_init(void);
#undef extern
#endif
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