Release 4.7 include/linux/mmc/card.h
/*
* linux/include/linux/mmc/card.h
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* Card driver specific definitions.
*/
#ifndef LINUX_MMC_CARD_H
#define LINUX_MMC_CARD_H
#include <linux/device.h>
#include <linux/mmc/core.h>
#include <linux/mod_devicetable.h>
struct mmc_cid {
unsigned int manfid;
char prod_name[8];
unsigned char prv;
unsigned int serial;
unsigned short oemid;
unsigned short year;
unsigned char hwrev;
unsigned char fwrev;
unsigned char month;
};
struct mmc_csd {
unsigned char structure;
unsigned char mmca_vsn;
unsigned short cmdclass;
unsigned short tacc_clks;
unsigned int tacc_ns;
unsigned int c_size;
unsigned int r2w_factor;
unsigned int max_dtr;
unsigned int erase_size; /* In sectors */
unsigned int read_blkbits;
unsigned int write_blkbits;
unsigned int capacity;
unsigned int read_partial:1,
read_misalign:1,
write_partial:1,
write_misalign:1,
dsr_imp:1;
};
struct mmc_ext_csd {
u8 rev;
u8 erase_group_def;
u8 sec_feature_support;
u8 rel_sectors;
u8 rel_param;
u8 part_config;
u8 cache_ctrl;
u8 rst_n_function;
u8 max_packed_writes;
u8 max_packed_reads;
u8 packed_event_en;
unsigned int part_time; /* Units: ms */
unsigned int sa_timeout; /* Units: 100ns */
unsigned int generic_cmd6_time; /* Units: 10ms */
unsigned int power_off_longtime; /* Units: ms */
u8 power_off_notification; /* state */
unsigned int hs_max_dtr;
unsigned int hs200_max_dtr;
#define MMC_HIGH_26_MAX_DTR 26000000
#define MMC_HIGH_52_MAX_DTR 52000000
#define MMC_HIGH_DDR_MAX_DTR 52000000
#define MMC_HS200_MAX_DTR 200000000
unsigned int sectors;
unsigned int hc_erase_size; /* In sectors */
unsigned int hc_erase_timeout; /* In milliseconds */
unsigned int sec_trim_mult; /* Secure trim multiplier */
unsigned int sec_erase_mult; /* Secure erase multiplier */
unsigned int trim_timeout; /* In milliseconds */
bool partition_setting_completed; /* enable bit */
unsigned long long enhanced_area_offset; /* Units: Byte */
unsigned int enhanced_area_size; /* Units: KB */
unsigned int cache_size; /* Units: KB */
bool hpi_en; /* HPI enablebit */
bool hpi; /* HPI support bit */
unsigned int hpi_cmd; /* cmd used as HPI */
bool bkops; /* background support bit */
bool man_bkops_en; /* manual bkops enable bit */
unsigned int data_sector_size; /* 512 bytes or 4KB */
unsigned int data_tag_unit_size; /* DATA TAG UNIT size */
unsigned int boot_ro_lock; /* ro lock support */
bool boot_ro_lockable;
bool ffu_capable; /* Firmware upgrade support */
#define MMC_FIRMWARE_LEN 8
u8 fwrev[MMC_FIRMWARE_LEN]; /* FW version */
u8 raw_exception_status; /* 54 */
u8 raw_partition_support; /* 160 */
u8 raw_rpmb_size_mult; /* 168 */
u8 raw_erased_mem_count; /* 181 */
u8 raw_ext_csd_structure; /* 194 */
u8 raw_card_type; /* 196 */
u8 raw_driver_strength; /* 197 */
u8 out_of_int_time; /* 198 */
u8 raw_pwr_cl_52_195; /* 200 */
u8 raw_pwr_cl_26_195; /* 201 */
u8 raw_pwr_cl_52_360; /* 202 */
u8 raw_pwr_cl_26_360; /* 203 */
u8 raw_s_a_timeout; /* 217 */
u8 raw_hc_erase_gap_size; /* 221 */
u8 raw_erase_timeout_mult; /* 223 */
u8 raw_hc_erase_grp_size; /* 224 */
u8 raw_sec_trim_mult; /* 229 */
u8 raw_sec_erase_mult; /* 230 */
u8 raw_sec_feature_support;/* 231 */
u8 raw_trim_mult; /* 232 */
u8 raw_pwr_cl_200_195; /* 236 */
u8 raw_pwr_cl_200_360; /* 237 */
u8 raw_pwr_cl_ddr_52_195; /* 238 */
u8 raw_pwr_cl_ddr_52_360; /* 239 */
u8 raw_pwr_cl_ddr_200_360; /* 253 */
u8 raw_bkops_status; /* 246 */
u8 raw_sectors[4]; /* 212 - 4 bytes */
unsigned int feature_support;
#define MMC_DISCARD_FEATURE BIT(0) /* CMD38 feature */
};
struct sd_scr {
unsigned char sda_vsn;
unsigned char sda_spec3;
unsigned char bus_widths;
#define SD_SCR_BUS_WIDTH_1 (1<<0)
#define SD_SCR_BUS_WIDTH_4 (1<<2)
unsigned char cmds;
#define SD_SCR_CMD20_SUPPORT (1<<0)
#define SD_SCR_CMD23_SUPPORT (1<<1)
};
struct sd_ssr {
unsigned int au; /* In sectors */
unsigned int erase_timeout; /* In milliseconds */
unsigned int erase_offset; /* In milliseconds */
};
struct sd_switch_caps {
unsigned int hs_max_dtr;
unsigned int uhs_max_dtr;
#define HIGH_SPEED_MAX_DTR 50000000
#define UHS_SDR104_MAX_DTR 208000000
#define UHS_SDR50_MAX_DTR 100000000
#define UHS_DDR50_MAX_DTR 50000000
#define UHS_SDR25_MAX_DTR UHS_DDR50_MAX_DTR
#define UHS_SDR12_MAX_DTR 25000000
unsigned int sd3_bus_mode;
#define UHS_SDR12_BUS_SPEED 0
#define HIGH_SPEED_BUS_SPEED 1
#define UHS_SDR25_BUS_SPEED 1
#define UHS_SDR50_BUS_SPEED 2
#define UHS_SDR104_BUS_SPEED 3
#define UHS_DDR50_BUS_SPEED 4
#define SD_MODE_HIGH_SPEED (1 << HIGH_SPEED_BUS_SPEED)
#define SD_MODE_UHS_SDR12 (1 << UHS_SDR12_BUS_SPEED)
#define SD_MODE_UHS_SDR25 (1 << UHS_SDR25_BUS_SPEED)
#define SD_MODE_UHS_SDR50 (1 << UHS_SDR50_BUS_SPEED)
#define SD_MODE_UHS_SDR104 (1 << UHS_SDR104_BUS_SPEED)
#define SD_MODE_UHS_DDR50 (1 << UHS_DDR50_BUS_SPEED)
unsigned int sd3_drv_type;
#define SD_DRIVER_TYPE_B 0x01
#define SD_DRIVER_TYPE_A 0x02
#define SD_DRIVER_TYPE_C 0x04
#define SD_DRIVER_TYPE_D 0x08
unsigned int sd3_curr_limit;
#define SD_SET_CURRENT_LIMIT_200 0
#define SD_SET_CURRENT_LIMIT_400 1
#define SD_SET_CURRENT_LIMIT_600 2
#define SD_SET_CURRENT_LIMIT_800 3
#define SD_SET_CURRENT_NO_CHANGE (-1)
#define SD_MAX_CURRENT_200 (1 << SD_SET_CURRENT_LIMIT_200)
#define SD_MAX_CURRENT_400 (1 << SD_SET_CURRENT_LIMIT_400)
#define SD_MAX_CURRENT_600 (1 << SD_SET_CURRENT_LIMIT_600)
#define SD_MAX_CURRENT_800 (1 << SD_SET_CURRENT_LIMIT_800)
};
struct sdio_cccr {
unsigned int sdio_vsn;
unsigned int sd_vsn;
unsigned int multi_block:1,
low_speed:1,
wide_bus:1,
high_power:1,
high_speed:1,
disable_cd:1;
};
struct sdio_cis {
unsigned short vendor;
unsigned short device;
unsigned short blksize;
unsigned int max_dtr;
};
struct mmc_host;
struct mmc_ios;
struct sdio_func;
struct sdio_func_tuple;
#define SDIO_MAX_FUNCS 7
enum mmc_blk_status {
MMC_BLK_SUCCESS = 0,
MMC_BLK_PARTIAL,
MMC_BLK_CMD_ERR,
MMC_BLK_RETRY,
MMC_BLK_ABORT,
MMC_BLK_DATA_ERR,
MMC_BLK_ECC_ERR,
MMC_BLK_NOMEDIUM,
MMC_BLK_NEW_REQUEST,
};
/* The number of MMC physical partitions. These consist of:
* boot partitions (2), general purpose partitions (4) and
* RPMB partition (1) in MMC v4.4.
*/
#define MMC_NUM_BOOT_PARTITION 2
#define MMC_NUM_GP_PARTITION 4
#define MMC_NUM_PHY_PARTITION 7
#define MAX_MMC_PART_NAME_LEN 20
/*
* MMC Physical partitions
*/
struct mmc_part {
unsigned int size; /* partition size (in bytes) */
unsigned int part_cfg; /* partition type */
char name[MAX_MMC_PART_NAME_LEN];
bool force_ro; /* to make boot parts RO by default */
unsigned int area_type;
#define MMC_BLK_DATA_AREA_MAIN (1<<0)
#define MMC_BLK_DATA_AREA_BOOT (1<<1)
#define MMC_BLK_DATA_AREA_GP (1<<2)
#define MMC_BLK_DATA_AREA_RPMB (1<<3)
};
/*
* MMC device
*/
struct mmc_card {
struct mmc_host *host; /* the host this device belongs to */
struct device dev; /* the device */
u32 ocr; /* the current OCR setting */
unsigned int rca; /* relative card address of device */
unsigned int type; /* card type */
#define MMC_TYPE_MMC 0 /* MMC card */
#define MMC_TYPE_SD 1 /* SD card */
#define MMC_TYPE_SDIO 2 /* SDIO card */
#define MMC_TYPE_SD_COMBO 3 /* SD combo (IO+mem) card */
unsigned int state; /* (our) card state */
#define MMC_STATE_PRESENT (1<<0) /* present in sysfs */
#define MMC_STATE_READONLY (1<<1) /* card is read-only */
#define MMC_STATE_BLOCKADDR (1<<2) /* card uses block-addressing */
#define MMC_CARD_SDXC (1<<3) /* card is SDXC */
#define MMC_CARD_REMOVED (1<<4) /* card has been removed */
#define MMC_STATE_DOING_BKOPS (1<<5) /* card is doing BKOPS */
#define MMC_STATE_SUSPENDED (1<<6) /* card is suspended */
unsigned int quirks; /* card quirks */
#define MMC_QUIRK_LENIENT_FN0 (1<<0) /* allow SDIO FN0 writes outside of the VS CCCR range */
#define MMC_QUIRK_BLKSZ_FOR_BYTE_MODE (1<<1) /* use func->cur_blksize */
/* for byte mode */
#define MMC_QUIRK_NONSTD_SDIO (1<<2) /* non-standard SDIO card attached */
/* (missing CIA registers) */
#define MMC_QUIRK_NONSTD_FUNC_IF (1<<4) /* SDIO card has nonstd function interfaces */
#define MMC_QUIRK_DISABLE_CD (1<<5) /* disconnect CD/DAT[3] resistor */
#define MMC_QUIRK_INAND_CMD38 (1<<6) /* iNAND devices have broken CMD38 */
#define MMC_QUIRK_BLK_NO_CMD23 (1<<7) /* Avoid CMD23 for regular multiblock */
#define MMC_QUIRK_BROKEN_BYTE_MODE_512 (1<<8) /* Avoid sending 512 bytes in */
/* byte mode */
#define MMC_QUIRK_LONG_READ_TIME (1<<9) /* Data read time > CSD says */
#define MMC_QUIRK_SEC_ERASE_TRIM_BROKEN (1<<10) /* Skip secure for erase/trim */
#define MMC_QUIRK_BROKEN_IRQ_POLLING (1<<11) /* Polling SDIO_CCCR_INTx could create a fake interrupt */
#define MMC_QUIRK_TRIM_BROKEN (1<<12) /* Skip trim */
unsigned int erase_size; /* erase size in sectors */
unsigned int erase_shift; /* if erase unit is power 2 */
unsigned int pref_erase; /* in sectors */
unsigned int eg_boundary; /* don't cross erase-group boundaries */
u8 erased_byte; /* value of erased bytes */
u32 raw_cid[4]; /* raw card CID */
u32 raw_csd[4]; /* raw card CSD */
u32 raw_scr[2]; /* raw card SCR */
struct mmc_cid cid; /* card identification */
struct mmc_csd csd; /* card specific */
struct mmc_ext_csd ext_csd; /* mmc v4 extended card specific */
struct sd_scr scr; /* extra SD information */
struct sd_ssr ssr; /* yet more SD information */
struct sd_switch_caps sw_caps; /* switch (CMD6) caps */
unsigned int sdio_funcs; /* number of SDIO functions */
struct sdio_cccr cccr; /* common card info */
struct sdio_cis cis; /* common tuple info */
struct sdio_func *sdio_func[SDIO_MAX_FUNCS]; /* SDIO functions (devices) */
struct sdio_func *sdio_single_irq; /* SDIO function when only one IRQ active */
unsigned num_info; /* number of info strings */
const char **info; /* info strings */
struct sdio_func_tuple *tuples; /* unknown common tuples */
unsigned int sd_bus_speed; /* Bus Speed Mode set for the card */
unsigned int mmc_avail_type; /* supported device type by both host and card */
unsigned int drive_strength; /* for UHS-I, HS200 or HS400 */
struct dentry *debugfs_root;
struct mmc_part part[MMC_NUM_PHY_PARTITION]; /* physical partitions */
unsigned int nr_parts;
};
/*
* This function fill contents in mmc_part.
*/
static inline void mmc_part_add(struct mmc_card *card, unsigned int size,
unsigned int part_cfg, char *name, int idx, bool ro,
int area_type)
{
card->part[card->nr_parts].size = size;
card->part[card->nr_parts].part_cfg = part_cfg;
sprintf(card->part[card->nr_parts].name, name, idx);
card->part[card->nr_parts].force_ro = ro;
card->part[card->nr_parts].area_type = area_type;
card->nr_parts++;
}
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static inline bool mmc_large_sector(struct mmc_card *card)
{
return card->ext_csd.data_sector_size == 4096;
}
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/*
* The world is not perfect and supplies us with broken mmc/sdio devices.
* For at least some of these bugs we need a work-around.
*/
struct mmc_fixup {
/* CID-specific fields. */
const char *name;
/* Valid revision range */
u64 rev_start, rev_end;
unsigned int manfid;
unsigned short oemid;
/* SDIO-specfic fields. You can use SDIO_ANY_ID here of course */
u16 cis_vendor, cis_device;
void (*vendor_fixup)(struct mmc_card *card, int data);
int data;
};
#define CID_MANFID_ANY (-1u)
#define CID_OEMID_ANY ((unsigned short) -1)
#define CID_NAME_ANY (NULL)
#define END_FIXUP { NULL }
#define _FIXUP_EXT(_name, _manfid, _oemid, _rev_start, _rev_end, \
_cis_vendor, _cis_device, \
_fixup, _data) \
{ \
.name = (_name), \
.manfid = (_manfid), \
.oemid = (_oemid), \
.rev_start = (_rev_start), \
.rev_end = (_rev_end), \
.cis_vendor = (_cis_vendor), \
.cis_device = (_cis_device), \
.vendor_fixup = (_fixup), \
.data = (_data), \
}
#define MMC_FIXUP_REV(_name, _manfid, _oemid, _rev_start, _rev_end, \
_fixup, _data) \
_FIXUP_EXT(_name, _manfid, \
_oemid, _rev_start, _rev_end, \
SDIO_ANY_ID, SDIO_ANY_ID, \
_fixup, _data) \
#define MMC_FIXUP(_name, _manfid, _oemid, _fixup, _data) \
MMC_FIXUP_REV(_name, _manfid, _oemid, 0, -1ull, _fixup, _data)
#define SDIO_FIXUP(_vendor, _device, _fixup, _data) \
_FIXUP_EXT(CID_NAME_ANY, CID_MANFID_ANY, \
CID_OEMID_ANY, 0, -1ull, \
_vendor, _device, \
_fixup, _data) \
#define cid_rev(hwrev, fwrev, year, month) \
(((u64) hwrev) << 40 | \
((u64) fwrev) << 32 | \
((u64) year) << 16 | \
((u64) month))
#define cid_rev_card(card) \
cid_rev(card->cid.hwrev, \
card->cid.fwrev, \
card->cid.year, \
card->cid.month)
/*
* Unconditionally quirk add/remove.
*/
static inline void __maybe_unused add_quirk(struct mmc_card *card, int data)
{
card->quirks |= data;
}
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static inline void __maybe_unused remove_quirk(struct mmc_card *card, int data)
{
card->quirks &= ~data;
}
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#define mmc_card_mmc(c) ((c)->type == MMC_TYPE_MMC)
#define mmc_card_sd(c) ((c)->type == MMC_TYPE_SD)
#define mmc_card_sdio(c) ((c)->type == MMC_TYPE_SDIO)
#define mmc_card_present(c) ((c)->state & MMC_STATE_PRESENT)
#define mmc_card_readonly(c) ((c)->state & MMC_STATE_READONLY)
#define mmc_card_blockaddr(c) ((c)->state & MMC_STATE_BLOCKADDR)
#define mmc_card_ext_capacity(c) ((c)->state & MMC_CARD_SDXC)
#define mmc_card_removed(c) ((c) && ((c)->state & MMC_CARD_REMOVED))
#define mmc_card_doing_bkops(c) ((c)->state & MMC_STATE_DOING_BKOPS)
#define mmc_card_suspended(c) ((c)->state & MMC_STATE_SUSPENDED)
#define mmc_card_set_present(c) ((c)->state |= MMC_STATE_PRESENT)
#define mmc_card_set_readonly(c) ((c)->state |= MMC_STATE_READONLY)
#define mmc_card_set_blockaddr(c) ((c)->state |= MMC_STATE_BLOCKADDR)
#define mmc_card_set_ext_capacity(c) ((c)->state |= MMC_CARD_SDXC)
#define mmc_card_set_removed(c) ((c)->state |= MMC_CARD_REMOVED)
#define mmc_card_set_doing_bkops(c) ((c)->state |= MMC_STATE_DOING_BKOPS)
#define mmc_card_clr_doing_bkops(c) ((c)->state &= ~MMC_STATE_DOING_BKOPS)
#define mmc_card_set_suspended(c) ((c)->state |= MMC_STATE_SUSPENDED)
#define mmc_card_clr_suspended(c) ((c)->state &= ~MMC_STATE_SUSPENDED)
/*
* Quirk add/remove for MMC products.
*/
static inline void __maybe_unused add_quirk_mmc(struct mmc_card *card, int data)
{
if (mmc_card_mmc(card))
card->quirks |= data;
}
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static inline void __maybe_unused remove_quirk_mmc(struct mmc_card *card,
int data)
{
if (mmc_card_mmc(card))
card->quirks &= ~data;
}
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/*
* Quirk add/remove for SD products.
*/
static inline void __maybe_unused add_quirk_sd(struct mmc_card *card, int data)
{
if (mmc_card_sd(card))
card->quirks |= data;
}
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static inline void __maybe_unused remove_quirk_sd(struct mmc_card *card,
int data)
{
if (mmc_card_sd(card))
card->quirks &= ~data;
}
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static inline int mmc_card_lenient_fn0(const struct mmc_card *c)
{
return c->quirks & MMC_QUIRK_LENIENT_FN0;
}
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static inline int mmc_blksz_for_byte_mode(const struct mmc_card *c)
{
return c->quirks & MMC_QUIRK_BLKSZ_FOR_BYTE_MODE;
}
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static inline int mmc_card_disable_cd(const struct mmc_card *c)
{
return c->quirks & MMC_QUIRK_DISABLE_CD;
}
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static inline int mmc_card_nonstd_func_interface(const struct mmc_card *c)
{
return c->quirks & MMC_QUIRK_NONSTD_FUNC_IF;
}
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static inline int mmc_card_broken_byte_mode_512(const struct mmc_card *c)
{
return c->quirks & MMC_QUIRK_BROKEN_BYTE_MODE_512;
}
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static inline int mmc_card_long_read_time(const struct mmc_card *c)
{
return c->quirks & MMC_QUIRK_LONG_READ_TIME;
}
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static inline int mmc_card_broken_irq_polling(const struct mmc_card *c)
{
return c->quirks & MMC_QUIRK_BROKEN_IRQ_POLLING;
}
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#define mmc_card_name(c) ((c)->cid.prod_name)
#define mmc_card_id(c) (dev_name(&(c)->dev))
#define mmc_dev_to_card(d) container_of(d, struct mmc_card, dev)
/*
* MMC device driver (e.g., Flash card, I/O card...)
*/
struct mmc_driver {
struct device_driver drv;
int (*probe)(struct mmc_card *);
void (*remove)(struct mmc_card *);
void (*shutdown)(struct mmc_card *);
};
extern int mmc_register_driver(struct mmc_driver *);
extern void mmc_unregister_driver(struct mmc_driver *);
extern void mmc_fixup_device(struct mmc_card *card,
const struct mmc_fixup *table);
#endif /* LINUX_MMC_CARD_H */
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| jaehoon chung | jaehoon chung | 55 | 2.85% | 2 | 2.00% |
| bing zhao | bing zhao | 52 | 2.70% | 2 | 2.00% |
| johan rudholm | johan rudholm | 40 | 2.07% | 1 | 1.00% |
| fredrik soderstedt | fredrik soderstedt | 32 | 1.66% | 1 | 1.00% |
| philip langdale | philip langdale | 32 | 1.66% | 2 | 2.00% |
| konstantin dorfman | konstantin dorfman | 24 | 1.24% | 1 | 1.00% |
| gwendal grignou | gwendal grignou | 15 | 0.78% | 1 | 1.00% |
| chuanxiao dong | chuanxiao dong | 14 | 0.73% | 1 | 1.00% |
| kyungmin park | kyungmin park | 13 | 0.67% | 2 | 2.00% |
| qiang liu | qiang liu | 12 | 0.62% | 1 | 1.00% |
| saugata das | saugata das | 10 | 0.52% | 1 | 1.00% |
| jarkko lavinen | jarkko lavinen | 8 | 0.41% | 1 | 1.00% |
| loic pallardy | loic pallardy | 8 | 0.41% | 1 | 1.00% |
| pierre tardy | pierre tardy | 7 | 0.36% | 1 | 1.00% |
| andy shevchenko | andy shevchenko | 7 | 0.36% | 2 | 2.00% |
| grazvydas ignotas | grazvydas ignotas | 6 | 0.31% | 1 | 1.00% |
| michal miroslaw | michal miroslaw | 5 | 0.26% | 1 | 1.00% |
| haavard skinnemoen | haavard skinnemoen | 5 | 0.26% | 1 | 1.00% |
| shawn lin | shawn lin | 5 | 0.26% | 1 | 1.00% |
| ian chen | ian chen | 5 | 0.26% | 1 | 1.00% |
| david jander | david jander | 5 | 0.26% | 1 | 1.00% |
| girish k s | girish k s | 5 | 0.26% | 1 | 1.00% |
| bernie thompson | bernie thompson | 4 | 0.21% | 1 | 1.00% |
| sascha hauer | sascha hauer | 4 | 0.21% | 1 | 1.00% |
| paul gortmaker | paul gortmaker | 3 | 0.16% | 1 | 1.00% |
| yi sun | yi sun | 2 | 0.10% | 1 | 1.00% |
| alexey skidanov | alexey skidanov | 2 | 0.10% | 1 | 1.00% |
| kay sievers | kay sievers | 1 | 0.05% | 1 | 1.00% |
| yix x zhang | yix x zhang | 1 | 0.05% | 1 | 1.00% |
| robert p. j. day | robert p. j. day | 1 | 0.05% | 1 | 1.00% |
| gregory soutade | gregory soutade | 1 | 0.05% | 1 | 1.00% |
| randy dunlap | randy dunlap | 1 | 0.05% | 1 | 1.00% |
| fabio estevam | fabio estevam | 1 | 0.05% | 1 | 1.00% |
| Total | 1928 | 100.00% | 100 | 100.00% |
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