Release 4.14 include/linux/intel-iommu.h
/*
* Copyright © 2006-2015, Intel Corporation.
*
* Authors: Ashok Raj <ashok.raj@intel.com>
* Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com>
* David Woodhouse <David.Woodhouse@intel.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc., 59 Temple
* Place - Suite 330, Boston, MA 02111-1307 USA.
*/
#ifndef _INTEL_IOMMU_H_
#define _INTEL_IOMMU_H_
#include <linux/types.h>
#include <linux/iova.h>
#include <linux/io.h>
#include <linux/idr.h>
#include <linux/dma_remapping.h>
#include <linux/mmu_notifier.h>
#include <linux/list.h>
#include <linux/iommu.h>
#include <linux/io-64-nonatomic-lo-hi.h>
#include <asm/cacheflush.h>
#include <asm/iommu.h>
/*
* Intel IOMMU register specification per version 1.0 public spec.
*/
#define DMAR_VER_REG 0x0
/* Arch version supported by this IOMMU */
#define DMAR_CAP_REG 0x8
/* Hardware supported capabilities */
#define DMAR_ECAP_REG 0x10
/* Extended capabilities supported */
#define DMAR_GCMD_REG 0x18
/* Global command register */
#define DMAR_GSTS_REG 0x1c
/* Global status register */
#define DMAR_RTADDR_REG 0x20
/* Root entry table */
#define DMAR_CCMD_REG 0x28
/* Context command reg */
#define DMAR_FSTS_REG 0x34
/* Fault Status register */
#define DMAR_FECTL_REG 0x38
/* Fault control register */
#define DMAR_FEDATA_REG 0x3c
/* Fault event interrupt data register */
#define DMAR_FEADDR_REG 0x40
/* Fault event interrupt addr register */
#define DMAR_FEUADDR_REG 0x44
/* Upper address register */
#define DMAR_AFLOG_REG 0x58
/* Advanced Fault control */
#define DMAR_PMEN_REG 0x64
/* Enable Protected Memory Region */
#define DMAR_PLMBASE_REG 0x68
/* PMRR Low addr */
#define DMAR_PLMLIMIT_REG 0x6c
/* PMRR low limit */
#define DMAR_PHMBASE_REG 0x70
/* pmrr high base addr */
#define DMAR_PHMLIMIT_REG 0x78
/* pmrr high limit */
#define DMAR_IQH_REG 0x80
/* Invalidation queue head register */
#define DMAR_IQT_REG 0x88
/* Invalidation queue tail register */
#define DMAR_IQ_SHIFT 4
/* Invalidation queue head/tail shift */
#define DMAR_IQA_REG 0x90
/* Invalidation queue addr register */
#define DMAR_ICS_REG 0x9c
/* Invalidation complete status register */
#define DMAR_IRTA_REG 0xb8
/* Interrupt remapping table addr register */
#define DMAR_PQH_REG 0xc0
/* Page request queue head register */
#define DMAR_PQT_REG 0xc8
/* Page request queue tail register */
#define DMAR_PQA_REG 0xd0
/* Page request queue address register */
#define DMAR_PRS_REG 0xdc
/* Page request status register */
#define DMAR_PECTL_REG 0xe0
/* Page request event control register */
#define DMAR_PEDATA_REG 0xe4
/* Page request event interrupt data register */
#define DMAR_PEADDR_REG 0xe8
/* Page request event interrupt addr register */
#define DMAR_PEUADDR_REG 0xec
/* Page request event Upper address register */
#define OFFSET_STRIDE (9)
#define dmar_readq(a) readq(a)
#define dmar_writeq(a,v) writeq(v,a)
#define DMAR_VER_MAJOR(v) (((v) & 0xf0) >> 4)
#define DMAR_VER_MINOR(v) ((v) & 0x0f)
/*
* Decoding Capability Register
*/
#define cap_pi_support(c) (((c) >> 59) & 1)
#define cap_read_drain(c) (((c) >> 55) & 1)
#define cap_write_drain(c) (((c) >> 54) & 1)
#define cap_max_amask_val(c) (((c) >> 48) & 0x3f)
#define cap_num_fault_regs(c) ((((c) >> 40) & 0xff) + 1)
#define cap_pgsel_inv(c) (((c) >> 39) & 1)
#define cap_super_page_val(c) (((c) >> 34) & 0xf)
#define cap_super_offset(c) (((find_first_bit(&cap_super_page_val(c), 4)) \
* OFFSET_STRIDE) + 21)
#define cap_fault_reg_offset(c) ((((c) >> 24) & 0x3ff) * 16)
#define cap_max_fault_reg_offset(c) \
(cap_fault_reg_offset(c) + cap_num_fault_regs(c) * 16)
#define cap_zlr(c) (((c) >> 22) & 1)
#define cap_isoch(c) (((c) >> 23) & 1)
#define cap_mgaw(c) ((((c) >> 16) & 0x3f) + 1)
#define cap_sagaw(c) (((c) >> 8) & 0x1f)
#define cap_caching_mode(c) (((c) >> 7) & 1)
#define cap_phmr(c) (((c) >> 6) & 1)
#define cap_plmr(c) (((c) >> 5) & 1)
#define cap_rwbf(c) (((c) >> 4) & 1)
#define cap_afl(c) (((c) >> 3) & 1)
#define cap_ndoms(c) (((unsigned long)1) << (4 + 2 * ((c) & 0x7)))
/*
* Extended Capability Register
*/
#define ecap_pasid(e) ((e >> 40) & 0x1)
#define ecap_pss(e) ((e >> 35) & 0x1f)
#define ecap_eafs(e) ((e >> 34) & 0x1)
#define ecap_nwfs(e) ((e >> 33) & 0x1)
#define ecap_srs(e) ((e >> 31) & 0x1)
#define ecap_ers(e) ((e >> 30) & 0x1)
#define ecap_prs(e) ((e >> 29) & 0x1)
#define ecap_broken_pasid(e) ((e >> 28) & 0x1)
#define ecap_dis(e) ((e >> 27) & 0x1)
#define ecap_nest(e) ((e >> 26) & 0x1)
#define ecap_mts(e) ((e >> 25) & 0x1)
#define ecap_ecs(e) ((e >> 24) & 0x1)
#define ecap_iotlb_offset(e) ((((e) >> 8) & 0x3ff) * 16)
#define ecap_max_iotlb_offset(e) (ecap_iotlb_offset(e) + 16)
#define ecap_coherent(e) ((e) & 0x1)
#define ecap_qis(e) ((e) & 0x2)
#define ecap_pass_through(e) ((e >> 6) & 0x1)
#define ecap_eim_support(e) ((e >> 4) & 0x1)
#define ecap_ir_support(e) ((e >> 3) & 0x1)
#define ecap_dev_iotlb_support(e) (((e) >> 2) & 0x1)
#define ecap_max_handle_mask(e) ((e >> 20) & 0xf)
#define ecap_sc_support(e) ((e >> 7) & 0x1)
/* Snooping Control */
/* IOTLB_REG */
#define DMA_TLB_FLUSH_GRANU_OFFSET 60
#define DMA_TLB_GLOBAL_FLUSH (((u64)1) << 60)
#define DMA_TLB_DSI_FLUSH (((u64)2) << 60)
#define DMA_TLB_PSI_FLUSH (((u64)3) << 60)
#define DMA_TLB_IIRG(type) ((type >> 60) & 3)
#define DMA_TLB_IAIG(val) (((val) >> 57) & 3)
#define DMA_TLB_READ_DRAIN (((u64)1) << 49)
#define DMA_TLB_WRITE_DRAIN (((u64)1) << 48)
#define DMA_TLB_DID(id) (((u64)((id) & 0xffff)) << 32)
#define DMA_TLB_IVT (((u64)1) << 63)
#define DMA_TLB_IH_NONLEAF (((u64)1) << 6)
#define DMA_TLB_MAX_SIZE (0x3f)
/* INVALID_DESC */
#define DMA_CCMD_INVL_GRANU_OFFSET 61
#define DMA_ID_TLB_GLOBAL_FLUSH (((u64)1) << 4)
#define DMA_ID_TLB_DSI_FLUSH (((u64)2) << 4)
#define DMA_ID_TLB_PSI_FLUSH (((u64)3) << 4)
#define DMA_ID_TLB_READ_DRAIN (((u64)1) << 7)
#define DMA_ID_TLB_WRITE_DRAIN (((u64)1) << 6)
#define DMA_ID_TLB_DID(id) (((u64)((id & 0xffff) << 16)))
#define DMA_ID_TLB_IH_NONLEAF (((u64)1) << 6)
#define DMA_ID_TLB_ADDR(addr) (addr)
#define DMA_ID_TLB_ADDR_MASK(mask) (mask)
/* PMEN_REG */
#define DMA_PMEN_EPM (((u32)1)<<31)
#define DMA_PMEN_PRS (((u32)1)<<0)
/* GCMD_REG */
#define DMA_GCMD_TE (((u32)1) << 31)
#define DMA_GCMD_SRTP (((u32)1) << 30)
#define DMA_GCMD_SFL (((u32)1) << 29)
#define DMA_GCMD_EAFL (((u32)1) << 28)
#define DMA_GCMD_WBF (((u32)1) << 27)
#define DMA_GCMD_QIE (((u32)1) << 26)
#define DMA_GCMD_SIRTP (((u32)1) << 24)
#define DMA_GCMD_IRE (((u32) 1) << 25)
#define DMA_GCMD_CFI (((u32) 1) << 23)
/* GSTS_REG */
#define DMA_GSTS_TES (((u32)1) << 31)
#define DMA_GSTS_RTPS (((u32)1) << 30)
#define DMA_GSTS_FLS (((u32)1) << 29)
#define DMA_GSTS_AFLS (((u32)1) << 28)
#define DMA_GSTS_WBFS (((u32)1) << 27)
#define DMA_GSTS_QIES (((u32)1) << 26)
#define DMA_GSTS_IRTPS (((u32)1) << 24)
#define DMA_GSTS_IRES (((u32)1) << 25)
#define DMA_GSTS_CFIS (((u32)1) << 23)
/* DMA_RTADDR_REG */
#define DMA_RTADDR_RTT (((u64)1) << 11)
/* CCMD_REG */
#define DMA_CCMD_ICC (((u64)1) << 63)
#define DMA_CCMD_GLOBAL_INVL (((u64)1) << 61)
#define DMA_CCMD_DOMAIN_INVL (((u64)2) << 61)
#define DMA_CCMD_DEVICE_INVL (((u64)3) << 61)
#define DMA_CCMD_FM(m) (((u64)((m) & 0x3)) << 32)
#define DMA_CCMD_MASK_NOBIT 0
#define DMA_CCMD_MASK_1BIT 1
#define DMA_CCMD_MASK_2BIT 2
#define DMA_CCMD_MASK_3BIT 3
#define DMA_CCMD_SID(s) (((u64)((s) & 0xffff)) << 16)
#define DMA_CCMD_DID(d) ((u64)((d) & 0xffff))
/* FECTL_REG */
#define DMA_FECTL_IM (((u32)1) << 31)
/* FSTS_REG */
#define DMA_FSTS_PPF ((u32)2)
#define DMA_FSTS_PFO ((u32)1)
#define DMA_FSTS_IQE (1 << 4)
#define DMA_FSTS_ICE (1 << 5)
#define DMA_FSTS_ITE (1 << 6)
#define dma_fsts_fault_record_index(s) (((s) >> 8) & 0xff)
/* FRCD_REG, 32 bits access */
#define DMA_FRCD_F (((u32)1) << 31)
#define dma_frcd_type(d) ((d >> 30) & 1)
#define dma_frcd_fault_reason(c) (c & 0xff)
#define dma_frcd_source_id(c) (c & 0xffff)
/* low 64 bit */
#define dma_frcd_page_addr(d) (d & (((u64)-1) << PAGE_SHIFT))
/* PRS_REG */
#define DMA_PRS_PPR ((u32)1)
#define IOMMU_WAIT_OP(iommu, offset, op, cond, sts) \
do { \
cycles_t start_time = get_cycles(); \
while (1) { \
sts = op(iommu->reg + offset); \
if (cond) \
break; \
if (DMAR_OPERATION_TIMEOUT < (get_cycles() - start_time))\
panic("DMAR hardware is malfunctioning\n"); \
cpu_relax(); \
} \
} while (0)
#define QI_LENGTH 256
/* queue length */
enum {
QI_FREE,
QI_IN_USE,
QI_DONE,
QI_ABORT
};
#define QI_CC_TYPE 0x1
#define QI_IOTLB_TYPE 0x2
#define QI_DIOTLB_TYPE 0x3
#define QI_IEC_TYPE 0x4
#define QI_IWD_TYPE 0x5
#define QI_EIOTLB_TYPE 0x6
#define QI_PC_TYPE 0x7
#define QI_DEIOTLB_TYPE 0x8
#define QI_PGRP_RESP_TYPE 0x9
#define QI_PSTRM_RESP_TYPE 0xa
#define QI_IEC_SELECTIVE (((u64)1) << 4)
#define QI_IEC_IIDEX(idx) (((u64)(idx & 0xffff) << 32))
#define QI_IEC_IM(m) (((u64)(m & 0x1f) << 27))
#define QI_IWD_STATUS_DATA(d) (((u64)d) << 32)
#define QI_IWD_STATUS_WRITE (((u64)1) << 5)
#define QI_IOTLB_DID(did) (((u64)did) << 16)
#define QI_IOTLB_DR(dr) (((u64)dr) << 7)
#define QI_IOTLB_DW(dw) (((u64)dw) << 6)
#define QI_IOTLB_GRAN(gran) (((u64)gran) >> (DMA_TLB_FLUSH_GRANU_OFFSET-4))
#define QI_IOTLB_ADDR(addr) (((u64)addr) & VTD_PAGE_MASK)
#define QI_IOTLB_IH(ih) (((u64)ih) << 6)
#define QI_IOTLB_AM(am) (((u8)am))
#define QI_CC_FM(fm) (((u64)fm) << 48)
#define QI_CC_SID(sid) (((u64)sid) << 32)
#define QI_CC_DID(did) (((u64)did) << 16)
#define QI_CC_GRAN(gran) (((u64)gran) >> (DMA_CCMD_INVL_GRANU_OFFSET-4))
#define QI_DEV_IOTLB_SID(sid) ((u64)((sid) & 0xffff) << 32)
#define QI_DEV_IOTLB_QDEP(qdep) (((qdep) & 0x1f) << 16)
#define QI_DEV_IOTLB_ADDR(addr) ((u64)(addr) & VTD_PAGE_MASK)
#define QI_DEV_IOTLB_SIZE 1
#define QI_DEV_IOTLB_MAX_INVS 32
#define QI_PC_PASID(pasid) (((u64)pasid) << 32)
#define QI_PC_DID(did) (((u64)did) << 16)
#define QI_PC_GRAN(gran) (((u64)gran) << 4)
#define QI_PC_ALL_PASIDS (QI_PC_TYPE | QI_PC_GRAN(0))
#define QI_PC_PASID_SEL (QI_PC_TYPE | QI_PC_GRAN(1))
#define QI_EIOTLB_ADDR(addr) ((u64)(addr) & VTD_PAGE_MASK)
#define QI_EIOTLB_GL(gl) (((u64)gl) << 7)
#define QI_EIOTLB_IH(ih) (((u64)ih) << 6)
#define QI_EIOTLB_AM(am) (((u64)am))
#define QI_EIOTLB_PASID(pasid) (((u64)pasid) << 32)
#define QI_EIOTLB_DID(did) (((u64)did) << 16)
#define QI_EIOTLB_GRAN(gran) (((u64)gran) << 4)
#define QI_DEV_EIOTLB_ADDR(a) ((u64)(a) & VTD_PAGE_MASK)
#define QI_DEV_EIOTLB_SIZE (((u64)1) << 11)
#define QI_DEV_EIOTLB_GLOB(g) ((u64)g)
#define QI_DEV_EIOTLB_PASID(p) (((u64)p) << 32)
#define QI_DEV_EIOTLB_SID(sid) ((u64)((sid) & 0xffff) << 16)
#define QI_DEV_EIOTLB_QDEP(qd) ((u64)((qd) & 0x1f) << 4)
#define QI_DEV_EIOTLB_MAX_INVS 32
#define QI_PGRP_IDX(idx) (((u64)(idx)) << 55)
#define QI_PGRP_PRIV(priv) (((u64)(priv)) << 32)
#define QI_PGRP_RESP_CODE(res) ((u64)(res))
#define QI_PGRP_PASID(pasid) (((u64)(pasid)) << 32)
#define QI_PGRP_DID(did) (((u64)(did)) << 16)
#define QI_PGRP_PASID_P(p) (((u64)(p)) << 4)
#define QI_PSTRM_ADDR(addr) (((u64)(addr)) & VTD_PAGE_MASK)
#define QI_PSTRM_DEVFN(devfn) (((u64)(devfn)) << 4)
#define QI_PSTRM_RESP_CODE(res) ((u64)(res))
#define QI_PSTRM_IDX(idx) (((u64)(idx)) << 55)
#define QI_PSTRM_PRIV(priv) (((u64)(priv)) << 32)
#define QI_PSTRM_BUS(bus) (((u64)(bus)) << 24)
#define QI_PSTRM_PASID(pasid) (((u64)(pasid)) << 4)
#define QI_RESP_SUCCESS 0x0
#define QI_RESP_INVALID 0x1
#define QI_RESP_FAILURE 0xf
#define QI_GRAN_ALL_ALL 0
#define QI_GRAN_NONG_ALL 1
#define QI_GRAN_NONG_PASID 2
#define QI_GRAN_PSI_PASID 3
struct qi_desc {
u64 low, high;
};
struct q_inval {
raw_spinlock_t q_lock;
struct qi_desc *desc; /* invalidation queue */
int *desc_status; /* desc status */
int free_head; /* first free entry */
int free_tail; /* last free entry */
int free_cnt;
};
#ifdef CONFIG_IRQ_REMAP
/* 1MB - maximum possible interrupt remapping table size */
#define INTR_REMAP_PAGE_ORDER 8
#define INTR_REMAP_TABLE_REG_SIZE 0xf
#define INTR_REMAP_TABLE_REG_SIZE_MASK 0xf
#define INTR_REMAP_TABLE_ENTRIES 65536
struct irq_domain;
struct ir_table {
struct irte *base;
unsigned long *bitmap;
};
#endif
struct iommu_flush {
void (*flush_context)(struct intel_iommu *iommu, u16 did, u16 sid,
u8 fm, u64 type);
void (*flush_iotlb)(struct intel_iommu *iommu, u16 did, u64 addr,
unsigned int size_order, u64 type);
};
enum {
SR_DMAR_FECTL_REG,
SR_DMAR_FEDATA_REG,
SR_DMAR_FEADDR_REG,
SR_DMAR_FEUADDR_REG,
MAX_SR_DMAR_REGS
};
#define VTD_FLAG_TRANS_PRE_ENABLED (1 << 0)
#define VTD_FLAG_IRQ_REMAP_PRE_ENABLED (1 << 1)
struct pasid_entry;
struct pasid_state_entry;
struct page_req_dsc;
struct intel_iommu {
void __iomem *reg; /* Pointer to hardware regs, virtual addr */
u64 reg_phys; /* physical address of hw register set */
u64 reg_size; /* size of hw register set */
u64 cap;
u64 ecap;
u32 gcmd; /* Holds TE, EAFL. Don't need SRTP, SFL, WBF */
raw_spinlock_t register_lock; /* protect register handling */
int seq_id; /* sequence id of the iommu */
int agaw; /* agaw of this iommu */
int msagaw; /* max sagaw of this iommu */
unsigned int irq, pr_irq;
u16 segment; /* PCI segment# */
unsigned char name[13]; /* Device Name */
#ifdef CONFIG_INTEL_IOMMU
unsigned long *domain_ids; /* bitmap of domains */
struct dmar_domain ***domains; /* ptr to domains */
spinlock_t lock; /* protect context, domain ids */
struct root_entry *root_entry; /* virtual address */
struct iommu_flush flush;
#endif
#ifdef CONFIG_INTEL_IOMMU_SVM
/* These are large and need to be contiguous, so we allocate just
* one for now. We'll maybe want to rethink that if we truly give
* devices away to userspace processes (e.g. for DPDK) and don't
* want to trust that userspace will use *only* the PASID it was
* told to. But while it's all driver-arbitrated, we're fine. */
struct pasid_entry *pasid_table;
struct pasid_state_entry *pasid_state_table;
struct page_req_dsc *prq;
unsigned char prq_name[16]; /* Name for PRQ interrupt */
struct idr pasid_idr;
u32 pasid_max;
#endif
struct q_inval *qi; /* Queued invalidation info */
u32 *iommu_state; /* Store iommu states between suspend and resume.*/
#ifdef CONFIG_IRQ_REMAP
struct ir_table *ir_table; /* Interrupt remapping info */
struct irq_domain *ir_domain;
struct irq_domain *ir_msi_domain;
#endif
struct iommu_device iommu; /* IOMMU core code handle */
int node;
u32 flags; /* Software defined flags */
};
static inline void __iommu_flush_cache(
struct intel_iommu *iommu, void *addr, int size)
{
if (!ecap_coherent(iommu->ecap))
clflush_cache_range(addr, size);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Suresh B. Siddha | 36 | 100.00% | 1 | 100.00% |
| Total | 36 | 100.00% | 1 | 100.00% |
extern struct dmar_drhd_unit * dmar_find_matched_drhd_unit(struct pci_dev *dev);
extern int dmar_find_matched_atsr_unit(struct pci_dev *dev);
extern int dmar_enable_qi(struct intel_iommu *iommu);
extern void dmar_disable_qi(struct intel_iommu *iommu);
extern int dmar_reenable_qi(struct intel_iommu *iommu);
extern void qi_global_iec(struct intel_iommu *iommu);
extern void qi_flush_context(struct intel_iommu *iommu, u16 did, u16 sid,
u8 fm, u64 type);
extern void qi_flush_iotlb(struct intel_iommu *iommu, u16 did, u64 addr,
unsigned int size_order, u64 type);
extern void qi_flush_dev_iotlb(struct intel_iommu *iommu, u16 sid, u16 qdep,
u64 addr, unsigned mask);
extern int qi_submit_sync(struct qi_desc *desc, struct intel_iommu *iommu);
extern int dmar_ir_support(void);
#ifdef CONFIG_INTEL_IOMMU_SVM
extern int intel_svm_alloc_pasid_tables(struct intel_iommu *iommu);
extern int intel_svm_free_pasid_tables(struct intel_iommu *iommu);
extern int intel_svm_enable_prq(struct intel_iommu *iommu);
extern int intel_svm_finish_prq(struct intel_iommu *iommu);
struct svm_dev_ops;
struct intel_svm_dev {
struct list_head list;
struct rcu_head rcu;
struct device *dev;
struct svm_dev_ops *ops;
int users;
u16 did;
u16 dev_iotlb:1;
u16 sid, qdep;
};
struct intel_svm {
struct mmu_notifier notifier;
struct mm_struct *mm;
struct intel_iommu *iommu;
int flags;
int pasid;
struct list_head devs;
};
extern int intel_iommu_enable_pasid(struct intel_iommu *iommu, struct intel_svm_dev *sdev);
extern struct intel_iommu *intel_svm_device_to_iommu(struct device *dev);
#endif
extern const struct attribute_group *intel_iommu_groups[];
#endif
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| David Woodhouse | 617 | 31.13% | 16 | 27.59% |
| Anil S Keshavamurthy | 494 | 24.92% | 1 | 1.72% |
| Suresh B. Siddha | 437 | 22.05% | 12 | 20.69% |
| Youquan Song | 190 | 9.59% | 3 | 5.17% |
| Yu Zhao | 87 | 4.39% | 4 | 6.90% |
| Fenghua Yu | 46 | 2.32% | 3 | 5.17% |
| Joerg Roedel | 23 | 1.16% | 4 | 6.90% |
| Jiang Liu | 18 | 0.91% | 2 | 3.45% |
| Weidong Han | 12 | 0.61% | 2 | 3.45% |
| Alex Williamson | 10 | 0.50% | 1 | 1.72% |
| Mark Gross | 9 | 0.45% | 1 | 1.72% |
| Donald Dutile | 8 | 0.40% | 1 | 1.72% |
| Sheng Yang | 8 | 0.40% | 1 | 1.72% |
| CQ Tang | 7 | 0.35% | 1 | 1.72% |
| Feng Wu | 7 | 0.35% | 1 | 1.72% |
| Allen M Kay | 3 | 0.15% | 1 | 1.72% |
| Andy Shevchenko | 3 | 0.15% | 1 | 1.72% |
| Thomas Gleixner | 2 | 0.10% | 2 | 3.45% |
| Li, Zhen-Hua | 1 | 0.05% | 1 | 1.72% |
| Total | 1982 | 100.00% | 58 | 100.00% |
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