X-Git-Url: http://git.cascardo.eti.br/?a=blobdiff_plain;f=include%2Flinux%2Fata.h;h=72ab80801ef61d3f82c3a3cb7e980a2ca6c0f275;hb=4486c5f510463673d2ea57b46137086f5b21ef36;hp=e21c002c3a4a4f2dded103f76d44d612e642f0bd;hpb=00cda56d39f013cce60f44f1e3da19b87eba5d85;p=cascardo%2Flinux.git

diff --git a/include/linux/ata.h b/include/linux/ata.h
index e21c002c3a4a..72ab80801ef6 100644
--- a/include/linux/ata.h
+++ b/include/linux/ata.h
@@ -43,6 +43,7 @@ enum {
 	ATA_MAX_SECTORS_128	= 128,
 	ATA_MAX_SECTORS		= 256,
 	ATA_MAX_SECTORS_LBA48	= 65535,/* TODO: 65536? */
+	ATA_MAX_SECTORS_TAPE	= 65535,
 
 	ATA_ID_WORDS		= 256,
 	ATA_ID_SERNO		= 10,
@@ -189,6 +190,8 @@ enum {
 	ATA_CMD_READ_LOG_EXT	= 0x2f,
 	ATA_CMD_PMP_READ	= 0xE4,
 	ATA_CMD_PMP_WRITE	= 0xE8,
+	ATA_CMD_CONF_OVERLAY	= 0xB1,
+	ATA_CMD_SEC_FREEZE_LOCK	= 0xF5,
 
 	/* READ_LOG_EXT pages */
 	ATA_LOG_SATA_NCQ	= 0x10,
@@ -236,6 +239,20 @@ enum {
 
 	/* SETFEATURE Sector counts for SATA features */
 	SATA_AN			= 0x05,  /* Asynchronous Notification */
+	SATA_DIPM		= 0x03,  /* Device Initiated Power Management */
+
+	/* feature values for SET_MAX */
+	ATA_SET_MAX_ADDR	= 0x00,
+	ATA_SET_MAX_PASSWD	= 0x01,
+	ATA_SET_MAX_LOCK	= 0x02,
+	ATA_SET_MAX_UNLOCK	= 0x03,
+	ATA_SET_MAX_FREEZE_LOCK	= 0x04,
+
+	/* feature values for DEVICE CONFIGURATION OVERLAY */
+	ATA_DCO_RESTORE		= 0xC0,
+	ATA_DCO_FREEZE_LOCK	= 0xC1,
+	ATA_DCO_IDENTIFY	= 0xC2,
+	ATA_DCO_SET		= 0xC3,
 
 	/* ATAPI stuff */
 	ATAPI_PKT_DMA		= (1 << 0),
@@ -378,6 +395,26 @@ struct ata_taskfile {
 
 #define ata_id_cdb_intr(id)	(((id)[0] & 0x60) == 0x20)
 
+static inline bool ata_id_has_hipm(const u16 *id)
+{
+	u16 val = id[76];
+
+	if (val == 0 || val == 0xffff)
+		return false;
+
+	return val & (1 << 9);
+}
+
+static inline bool ata_id_has_dipm(const u16 *id)
+{
+	u16 val = id[78];
+
+	if (val == 0 || val == 0xffff)
+		return false;
+
+	return val & (1 << 3);
+}
+
 static inline int ata_id_has_fua(const u16 *id)
 {
 	if ((id[84] & 0xC000) != 0x4000)
@@ -403,6 +440,8 @@ static inline int ata_id_has_lba48(const u16 *id)
 {
 	if ((id[83] & 0xC000) != 0x4000)
 		return 0;
+	if (!ata_id_u64(id, 100))
+		return 0;
 	return id[83] & (1 << 10);
 }
 
@@ -513,6 +552,15 @@ static inline int ata_drive_40wire(const u16 *dev_id)
 	return 1;
 }
 
+static inline int ata_drive_40wire_relaxed(const u16 *dev_id)
+{
+	if (ata_id_is_sata(dev_id))
+		return 0;	/* SATA */
+	if ((dev_id[93] & 0x2000) == 0x2000)
+		return 0;	/* 80 wire */
+	return 1;
+}
+
 static inline int atapi_cdb_len(const u16 *dev_id)
 {
 	u16 tmp = dev_id[0] & 0x3;
@@ -523,6 +571,11 @@ static inline int atapi_cdb_len(const u16 *dev_id)
 	}
 }
 
+static inline int atapi_command_packet_set(const u16 *dev_id)
+{
+	return (dev_id[0] >> 8) & 0x1f;
+}
+
 static inline int is_atapi_taskfile(const struct ata_taskfile *tf)
 {
 	return (tf->protocol == ATA_PROT_ATAPI) ||