ATA_ID_EIDE_DMA_TIME = 66,
ATA_ID_EIDE_PIO = 67,
ATA_ID_EIDE_PIO_IORDY = 68,
+ ATA_ID_ADDITIONAL_SUPP = 69,
ATA_ID_QUEUE_DEPTH = 75,
ATA_ID_MAJOR_VER = 80,
ATA_ID_COMMAND_SET_1 = 82,
ATA_ID_HW_CONFIG = 93,
ATA_ID_SPG = 98,
ATA_ID_LBA_CAPACITY_2 = 100,
+ ATA_ID_SECTOR_SIZE = 106,
ATA_ID_LAST_LUN = 126,
ATA_ID_DLF = 128,
ATA_ID_CSFO = 129,
SETFEATURES_SATA_DISABLE = 0x90, /* Disable use of SATA feature */
/* SETFEATURE Sector counts for SATA features */
+ SATA_FPDMA_OFFSET = 0x01, /* FPDMA non-zero buffer offsets */
SATA_FPDMA_AA = 0x02, /* FPDMA Setup FIS Auto-Activate */
SATA_DIPM = 0x03, /* Device Initiated Power Management */
+ SATA_FPDMA_IN_ORDER = 0x04, /* FPDMA in-order data delivery */
SATA_AN = 0x05, /* Asynchronous Notification */
+ SATA_SSP = 0x06, /* Software Settings Preservation */
/* feature values for SET_MAX */
ATA_SET_MAX_ADDR = 0x00,
return (id[ATA_ID_CFS_ENABLE_2] & 0x2400) == 0x2400;
}
+static inline int ata_id_has_large_logical_sectors(const u16 *id)
+{
+ if ((id[ATA_ID_SECTOR_SIZE] & 0xc000) != 0x4000)
+ return 0;
+ return id[ATA_ID_SECTOR_SIZE] & (1 << 13);
+}
+
+static inline u16 ata_id_logical_per_physical_sectors(const u16 *id)
+{
+ return 1 << (id[ATA_ID_SECTOR_SIZE] & 0xf);
+}
+
static inline int ata_id_has_lba48(const u16 *id)
{
if ((id[ATA_ID_COMMAND_SET_2] & 0xC000) != 0x4000)
return 0;
}
+static inline int ata_id_has_zero_after_trim(const u16 *id)
+{
+ /* DSM supported, deterministic read, and read zero after trim set */
+ if (ata_id_has_trim(id) &&
+ (id[ATA_ID_ADDITIONAL_SUPP] & 0x4020) == 0x4020)
+ return 1;
+
+ return 0;
+}
+
static inline int ata_id_current_chs_valid(const u16 *id)
{
/* For ATA-1 devices, if the INITIALIZE DEVICE PARAMETERS command
}
/*
- * Write up to 'max' LBA Range Entries to the buffer that will cover the
- * extent from sector to sector + count. This is used for TRIM and for
- * ADD LBA(S) TO NV CACHE PINNED SET.
+ * Write LBA Range Entries to the buffer that will cover the extent from
+ * sector to sector + count. This is used for TRIM and for ADD LBA(S)
+ * TO NV CACHE PINNED SET.
*/
-static inline unsigned ata_set_lba_range_entries(void *_buffer, unsigned max,
- u64 sector, unsigned long count)
+static inline unsigned ata_set_lba_range_entries(void *_buffer,
+ unsigned buf_size, u64 sector, unsigned long count)
{
__le64 *buffer = _buffer;
- unsigned i = 0;
+ unsigned i = 0, used_bytes;
- while (i < max) {
+ while (i < buf_size / 8 ) { /* 6-byte LBA + 2-byte range per entry */
u64 entry = sector |
((u64)(count > 0xffff ? 0xffff : count) << 48);
buffer[i++] = __cpu_to_le64(entry);
sector += 0xffff;
}
- max = ALIGN(i * 8, 512);
- memset(buffer + i, 0, max - i * 8);
- return max;
+ used_bytes = ALIGN(i * 8, 512);
+ memset(buffer + i, 0, used_bytes - i * 8);
+ return used_bytes;
}
static inline int is_multi_taskfile(struct ata_taskfile *tf)