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iPod Classic: reads HDD S.M.A.R.T. data
Adds ata_read_smart() function to storage ATA driver, current SMART data can be displayed and optionally written to hard disk using System->Debug menu. Change-Id: Ie8817bb311d5d956df2f0fbfaf554e2d53e89a93
This commit is contained in:
Cástor Muñoz
parent
32b4558511
commit
d20185ac96
5 changed files with 373 additions and 0 deletions
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@ -25,6 +25,107 @@
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#include "config.h" /* for HAVE_MULTIVOLUME or not */
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#include "mv.h" /* for IF_MV() and friends */
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#ifdef HAVE_ATA_SMART
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/* S.M.A.R.T. headers from smartmontools-5.42 */
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#define NUMBER_ATA_SMART_ATTRIBUTES 30
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struct ata_smart_attribute {
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unsigned char id;
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/* meaning of flag bits: see MACROS just below */
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/* WARNING: MISALIGNED! */
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unsigned short flags;
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unsigned char current;
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unsigned char worst;
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unsigned char raw[6];
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unsigned char reserv;
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} __attribute__((packed));
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/* MACROS to interpret the flags bits in the previous structure. */
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/* These have not been implemented using bitflags and a union, to make */
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/* it portable across bit/little endian and different platforms. */
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/* 0: Prefailure bit */
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/* From SFF 8035i Revision 2 page 19: Bit 0 (pre-failure/advisory bit) */
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/* - If the value of this bit equals zero, an attribute value less */
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/* than or equal to its corresponding attribute threshold indicates an */
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/* advisory condition where the usage or age of the device has */
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/* exceeded its intended design life period. If the value of this bit */
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/* equals one, an attribute value less than or equal to its */
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/* corresponding attribute threshold indicates a prefailure condition */
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/* where imminent loss of data is being predicted. */
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#define ATTRIBUTE_FLAGS_PREFAILURE(x) (x & 0x01)
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/* 1: Online bit */
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/* From SFF 8035i Revision 2 page 19: Bit 1 (on-line data collection */
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/* bit) - If the value of this bit equals zero, then the attribute */
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/* value is updated only during off-line data collection */
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/* activities. If the value of this bit equals one, then the attribute */
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/* value is updated during normal operation of the device or during */
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/* both normal operation and off-line testing. */
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#define ATTRIBUTE_FLAGS_ONLINE(x) (x & 0x02)
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/* The following are (probably) IBM's, Maxtors and Quantum's definitions for the */
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/* vendor-specific bits: */
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/* 2: Performance type bit */
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#define ATTRIBUTE_FLAGS_PERFORMANCE(x) (x & 0x04)
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/* 3: Errorrate type bit */
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#define ATTRIBUTE_FLAGS_ERRORRATE(x) (x & 0x08)
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/* 4: Eventcount bit */
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#define ATTRIBUTE_FLAGS_EVENTCOUNT(x) (x & 0x10)
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/* 5: Selfpereserving bit */
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#define ATTRIBUTE_FLAGS_SELFPRESERVING(x) (x & 0x20)
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/* 6-15: Reserved for future use */
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#define ATTRIBUTE_FLAGS_OTHER(x) ((x) & 0xffc0)
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struct ata_smart_values
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{
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unsigned short int revnumber;
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struct ata_smart_attribute vendor_attributes [NUMBER_ATA_SMART_ATTRIBUTES];
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unsigned char offline_data_collection_status;
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unsigned char self_test_exec_status;
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unsigned short int total_time_to_complete_off_line;
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unsigned char vendor_specific_366;
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unsigned char offline_data_collection_capability;
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unsigned short int smart_capability;
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unsigned char errorlog_capability;
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unsigned char vendor_specific_371;
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unsigned char short_test_completion_time;
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unsigned char extend_test_completion_time;
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unsigned char conveyance_test_completion_time;
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unsigned char reserved_375_385[11];
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unsigned char vendor_specific_386_510[125];
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unsigned char chksum;
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} __attribute__((packed));
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/* Raw attribute value print formats */
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enum ata_attr_raw_format
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{
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RAWFMT_DEFAULT,
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RAWFMT_RAW8,
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RAWFMT_RAW16,
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RAWFMT_RAW48,
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RAWFMT_HEX48,
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RAWFMT_RAW64,
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RAWFMT_HEX64,
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RAWFMT_RAW16_OPT_RAW16,
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RAWFMT_RAW16_OPT_AVG16,
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RAWFMT_RAW24_DIV_RAW24,
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RAWFMT_RAW24_DIV_RAW32,
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RAWFMT_SEC2HOUR,
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RAWFMT_MIN2HOUR,
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RAWFMT_HALFMIN2HOUR,
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RAWFMT_MSEC24_HOUR32,
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RAWFMT_TEMPMINMAX,
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RAWFMT_TEMP10X,
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};
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#endif /* HAVE_ATA_SMART */
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struct storage_info;
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void ata_enable(bool on);
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@ -69,4 +170,9 @@ int ata_spinup_time(void); /* ticks */
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int ata_get_dma_mode(void);
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#endif /* HAVE_ATA_DMA */
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#ifdef HAVE_ATA_SMART
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/* Returns current S.M.A.R.T. data */
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void* ata_read_smart(void);
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#endif
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#endif /* __ATA_H__ */
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@ -201,6 +201,8 @@
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#define STORAGE_NEEDS_ALIGN
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#define HAVE_ATA_SMART
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/* define this if the device has larger sectors when accessed via USB */
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/* (only relevant in disk.c, fat.c now always supports large virtual sectors) */
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//#define MAX_LOG_SECTOR_SIZE 4096
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@ -50,6 +50,9 @@
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/** static, private data **/
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static uint8_t ceata_taskfile[16] STORAGE_ALIGN_ATTR;
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static uint16_t ata_identify_data[0x100] STORAGE_ALIGN_ATTR;
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#ifdef HAVE_ATA_SMART
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static uint16_t ata_smart_data[0x100] STORAGE_ALIGN_ATTR;
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#endif
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static bool ceata;
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static bool ata_swap;
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static bool ata_lba48;
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@ -1211,6 +1214,62 @@ int ata_init(void)
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return 0;
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}
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#ifdef HAVE_ATA_SMART
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static int ata_smart(uint16_t* buf)
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{
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mutex_lock(&ata_mutex);
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ata_power_up();
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if (ceata)
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{
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memset(ceata_taskfile, 0, 16);
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ceata_taskfile[0xc] = 0x4f;
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ceata_taskfile[0xd] = 0xc2;
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ceata_taskfile[0xe] = 0x40; /* Device/Head Register, bit6: 0->CHS, 1->LBA */
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ceata_taskfile[0xf] = 0xb0;
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PASS_RC(ceata_wait_idle(), 3, 0);
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if (((uint8_t*)ata_identify_data)[54] != 'A') /* Model != aAmsung */
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{
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ceata_taskfile[0x9] = 0xd8; /* SMART enable operations */
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PASS_RC(ceata_write_multiple_register(0, ceata_taskfile, 16), 3, 1);
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PASS_RC(ceata_check_error(), 3, 2);
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}
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ceata_taskfile[0x9] = 0xd0; /* SMART read data */
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PASS_RC(ceata_write_multiple_register(0, ceata_taskfile, 16), 3, 3);
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PASS_RC(ceata_rw_multiple_block(false, buf, 1, CEATA_COMMAND_TIMEOUT * HZ / 1000000), 3, 4);
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}
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else
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{
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int i;
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uint32_t old = ATA_CFG;
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ATA_CFG |= BIT(6); /* 16bit big-endian */
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PASS_RC(ata_wait_for_not_bsy(10000000), 3, 5);
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ata_write_cbr(&ATA_PIO_DAD, 0);
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ata_write_cbr(&ATA_PIO_FED, 0xd0);
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ata_write_cbr(&ATA_PIO_SCR, 0);
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ata_write_cbr(&ATA_PIO_LLR, 0);
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ata_write_cbr(&ATA_PIO_LMR, 0x4f);
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ata_write_cbr(&ATA_PIO_LHR, 0xc2);
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ata_write_cbr(&ATA_PIO_DVR, BIT(6));
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ata_write_cbr(&ATA_PIO_CSD, 0xb0);
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PASS_RC(ata_wait_for_start_of_transfer(10000000), 3, 6);
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for (i = 0; i < 0x100; i++) buf[i] = ata_read_cbr(&ATA_PIO_DTR);
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ATA_CFG = old;
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}
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ata_set_active();
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mutex_unlock(&ata_mutex);
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return 0;
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}
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void* ata_read_smart(void)
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{
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ata_smart(ata_smart_data);
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return ata_smart_data;
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}
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#endif /* HAVE_ATA_SMART */
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#ifdef CONFIG_STORAGE_MULTI
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static int ata_num_drives(int first_drive)
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{
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