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-rw-r--r--Documentation/devicetree/bindings/ata/ahci-fsl-qoriq.txt21
-rw-r--r--Documentation/devicetree/bindings/ata/fsl,ahci.yaml64
-rw-r--r--drivers/ata/Kconfig2
-rw-r--r--drivers/ata/ahci.c4
-rw-r--r--drivers/ata/libahci.c12
-rw-r--r--drivers/ata/libata-core.c49
-rw-r--r--drivers/ata/libata-sata.c49
-rw-r--r--drivers/ata/libata-scsi.c209
-rw-r--r--drivers/ata/libata-transport.c5
-rw-r--r--drivers/ata/libata-transport.h3
-rw-r--r--drivers/ata/libata.h2
-rw-r--r--drivers/scsi/libsas/sas_ata.c22
-rw-r--r--drivers/scsi/libsas/sas_discover.c2
-rw-r--r--include/linux/libata.h11
14 files changed, 230 insertions, 225 deletions
diff --git a/Documentation/devicetree/bindings/ata/ahci-fsl-qoriq.txt b/Documentation/devicetree/bindings/ata/ahci-fsl-qoriq.txt
deleted file mode 100644
index 7c3ca0e13de0..000000000000
--- a/Documentation/devicetree/bindings/ata/ahci-fsl-qoriq.txt
+++ /dev/null
@@ -1,21 +0,0 @@
-Binding for Freescale QorIQ AHCI SATA Controller
-
-Required properties:
- - reg: Physical base address and size of the controller's register area.
- - compatible: Compatibility string. Must be 'fsl,<chip>-ahci', where
- chip could be ls1021a, ls1043a, ls1046a, ls1088a, ls2080a etc.
- - clocks: Input clock specifier. Refer to common clock bindings.
- - interrupts: Interrupt specifier. Refer to interrupt binding.
-
-Optional properties:
- - dma-coherent: Enable AHCI coherent DMA operation.
- - reg-names: register area names when there are more than 1 register area.
-
-Examples:
- sata@3200000 {
- compatible = "fsl,ls1021a-ahci";
- reg = <0x0 0x3200000 0x0 0x10000>;
- interrupts = <GIC_SPI 101 IRQ_TYPE_LEVEL_HIGH>;
- clocks = <&platform_clk 1>;
- dma-coherent;
- };
diff --git a/Documentation/devicetree/bindings/ata/fsl,ahci.yaml b/Documentation/devicetree/bindings/ata/fsl,ahci.yaml
new file mode 100644
index 000000000000..ea4428bc1742
--- /dev/null
+++ b/Documentation/devicetree/bindings/ata/fsl,ahci.yaml
@@ -0,0 +1,64 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/ata/fsl,ahci.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Freescale QorIQ AHCI SATA Controller
+
+maintainers:
+ - Frank Li <[email protected]>
+
+properties:
+ compatible:
+ oneOf:
+ - description: SATA controller for ls1012a
+ items:
+ - const: fsl,ls1012a-ahci
+ - const: fsl,ls1043a-ahci
+ - enum:
+ - fsl,ls1021a-ahci
+ - fsl,ls1028a-ahci
+ - fsl,ls1043a-ahci
+ - fsl,ls1046a-ahci
+ - fsl,ls1088a-ahci
+ - fsl,ls2080a-ahci
+ - fsl,lx2160a-ahci
+
+ reg:
+ minItems: 1
+ maxItems: 2
+
+ reg-names:
+ items:
+ - const: ahci
+ - const: sata-ecc
+ minItems: 1
+
+ clocks:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ dma-coherent: true
+
+required:
+ - compatible
+ - reg
+ - clocks
+ - interrupts
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+
+ sata@3200000 {
+ compatible = "fsl,ls1021a-ahci";
+ reg = <0x3200000 0x10000>;
+ interrupts = <GIC_SPI 101 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&platform_clk 1>;
+ dma-coherent;
+ };
diff --git a/drivers/ata/Kconfig b/drivers/ata/Kconfig
index b595494ab9b4..e00536b49552 100644
--- a/drivers/ata/Kconfig
+++ b/drivers/ata/Kconfig
@@ -118,7 +118,7 @@ config SATA_AHCI
config SATA_MOBILE_LPM_POLICY
int "Default SATA Link Power Management policy"
range 0 4
- default 0
+ default 3
depends on SATA_AHCI
help
Select the Default SATA Link Power Management (LPM) policy to use
diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
index fc6fd583faf8..a05c17249448 100644
--- a/drivers/ata/ahci.c
+++ b/drivers/ata/ahci.c
@@ -1732,8 +1732,10 @@ static void ahci_update_initial_lpm_policy(struct ata_port *ap)
* Management Interaction in AHCI 1.3.1. Therefore, do not enable
* LPM if the port advertises itself as an external port.
*/
- if (ap->pflags & ATA_PFLAG_EXTERNAL)
+ if (ap->pflags & ATA_PFLAG_EXTERNAL) {
+ ata_port_dbg(ap, "external port, not enabling LPM\n");
return;
+ }
/* If no LPM states are supported by the HBA, do not bother with LPM */
if ((ap->host->flags & ATA_HOST_NO_PART) &&
diff --git a/drivers/ata/libahci.c b/drivers/ata/libahci.c
index 83431aae74d8..fdfa7b266218 100644
--- a/drivers/ata/libahci.c
+++ b/drivers/ata/libahci.c
@@ -2075,13 +2075,6 @@ static void ahci_qc_fill_rtf(struct ata_queued_cmd *qc)
struct ahci_port_priv *pp = qc->ap->private_data;
u8 *rx_fis = pp->rx_fis;
- /*
- * rtf may already be filled (e.g. for successful NCQ commands).
- * If that is the case, we have nothing to do.
- */
- if (qc->flags & ATA_QCFLAG_RTF_FILLED)
- return;
-
if (pp->fbs_enabled)
rx_fis += qc->dev->link->pmp * AHCI_RX_FIS_SZ;
@@ -2095,7 +2088,6 @@ static void ahci_qc_fill_rtf(struct ata_queued_cmd *qc)
!(qc->flags & ATA_QCFLAG_EH)) {
ata_tf_from_fis(rx_fis + RX_FIS_PIO_SETUP, &qc->result_tf);
qc->result_tf.status = (rx_fis + RX_FIS_PIO_SETUP)[15];
- qc->flags |= ATA_QCFLAG_RTF_FILLED;
return;
}
@@ -2118,12 +2110,10 @@ static void ahci_qc_fill_rtf(struct ata_queued_cmd *qc)
*/
qc->result_tf.status = fis[2];
qc->result_tf.error = fis[3];
- qc->flags |= ATA_QCFLAG_RTF_FILLED;
return;
}
ata_tf_from_fis(rx_fis + RX_FIS_D2H_REG, &qc->result_tf);
- qc->flags |= ATA_QCFLAG_RTF_FILLED;
}
static void ahci_qc_ncq_fill_rtf(struct ata_port *ap, u64 done_mask)
@@ -2158,6 +2148,7 @@ static void ahci_qc_ncq_fill_rtf(struct ata_port *ap, u64 done_mask)
if (qc && ata_is_ncq(qc->tf.protocol)) {
qc->result_tf.status = status;
qc->result_tf.error = error;
+ qc->result_tf.flags = qc->tf.flags;
qc->flags |= ATA_QCFLAG_RTF_FILLED;
}
done_mask &= ~(1ULL << tag);
@@ -2182,6 +2173,7 @@ static void ahci_qc_ncq_fill_rtf(struct ata_port *ap, u64 done_mask)
fis += RX_FIS_SDB;
qc->result_tf.status = fis[2];
qc->result_tf.error = fis[3];
+ qc->result_tf.flags = qc->tf.flags;
qc->flags |= ATA_QCFLAG_RTF_FILLED;
}
done_mask &= ~(1ULL << tag);
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 74b59b78d278..c7752dc80028 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -86,7 +86,7 @@ static unsigned int ata_dev_set_xfermode(struct ata_device *dev);
static void ata_dev_xfermask(struct ata_device *dev);
static unsigned long ata_dev_blacklisted(const struct ata_device *dev);
-atomic_t ata_print_id = ATOMIC_INIT(0);
+static DEFINE_IDA(ata_ida);
#ifdef CONFIG_ATA_FORCE
struct ata_force_param {
@@ -4800,8 +4800,16 @@ static void fill_result_tf(struct ata_queued_cmd *qc)
{
struct ata_port *ap = qc->ap;
+ /*
+ * rtf may already be filled (e.g. for successful NCQ commands).
+ * If that is the case, we have nothing to do.
+ */
+ if (qc->flags & ATA_QCFLAG_RTF_FILLED)
+ return;
+
qc->result_tf.flags = qc->tf.flags;
ap->ops->qc_fill_rtf(qc);
+ qc->flags |= ATA_QCFLAG_RTF_FILLED;
}
static void ata_verify_xfer(struct ata_queued_cmd *qc)
@@ -5455,6 +5463,7 @@ int sata_link_init_spd(struct ata_link *link)
struct ata_port *ata_port_alloc(struct ata_host *host)
{
struct ata_port *ap;
+ int id;
ap = kzalloc(sizeof(*ap), GFP_KERNEL);
if (!ap)
@@ -5462,8 +5471,12 @@ struct ata_port *ata_port_alloc(struct ata_host *host)
ap->pflags |= ATA_PFLAG_INITIALIZING | ATA_PFLAG_FROZEN;
ap->lock = &host->lock;
- ap->print_id = -1;
- ap->local_port_no = -1;
+ id = ida_alloc_min(&ata_ida, 1, GFP_KERNEL);
+ if (id < 0) {
+ kfree(ap);
+ return NULL;
+ }
+ ap->print_id = id;
ap->host = host;
ap->dev = host->dev;
@@ -5488,6 +5501,7 @@ struct ata_port *ata_port_alloc(struct ata_host *host)
return ap;
}
+EXPORT_SYMBOL_GPL(ata_port_alloc);
void ata_port_free(struct ata_port *ap)
{
@@ -5497,6 +5511,7 @@ void ata_port_free(struct ata_port *ap)
kfree(ap->pmp_link);
kfree(ap->slave_link);
kfree(ap->ncq_sense_buf);
+ ida_free(&ata_ida, ap->print_id);
kfree(ap);
}
EXPORT_SYMBOL_GPL(ata_port_free);
@@ -5547,24 +5562,19 @@ EXPORT_SYMBOL_GPL(ata_host_put);
/**
* ata_host_alloc - allocate and init basic ATA host resources
* @dev: generic device this host is associated with
- * @max_ports: maximum number of ATA ports associated with this host
+ * @n_ports: the number of ATA ports associated with this host
*
* Allocate and initialize basic ATA host resources. LLD calls
* this function to allocate a host, initializes it fully and
* attaches it using ata_host_register().
*
- * @max_ports ports are allocated and host->n_ports is
- * initialized to @max_ports. The caller is allowed to decrease
- * host->n_ports before calling ata_host_register(). The unused
- * ports will be automatically freed on registration.
- *
* RETURNS:
* Allocate ATA host on success, NULL on failure.
*
* LOCKING:
* Inherited from calling layer (may sleep).
*/
-struct ata_host *ata_host_alloc(struct device *dev, int max_ports)
+struct ata_host *ata_host_alloc(struct device *dev, int n_ports)
{
struct ata_host *host;
size_t sz;
@@ -5572,7 +5582,7 @@ struct ata_host *ata_host_alloc(struct device *dev, int max_ports)
void *dr;
/* alloc a container for our list of ATA ports (buses) */
- sz = sizeof(struct ata_host) + (max_ports + 1) * sizeof(void *);
+ sz = sizeof(struct ata_host) + n_ports * sizeof(void *);
host = kzalloc(sz, GFP_KERNEL);
if (!host)
return NULL;
@@ -5592,11 +5602,11 @@ struct ata_host *ata_host_alloc(struct device *dev, int max_ports)
spin_lock_init(&host->lock);
mutex_init(&host->eh_mutex);
host->dev = dev;
- host->n_ports = max_ports;
+ host->n_ports = n_ports;
kref_init(&host->kref);
/* allocate ports bound to this host */
- for (i = 0; i < max_ports; i++) {
+ for (i = 0; i < n_ports; i++) {
struct ata_port *ap;
ap = ata_port_alloc(host);
@@ -5905,19 +5915,6 @@ int ata_host_register(struct ata_host *host, const struct scsi_host_template *sh
return -EINVAL;
}
- /* Blow away unused ports. This happens when LLD can't
- * determine the exact number of ports to allocate at
- * allocation time.
- */
- for (i = host->n_ports; host->ports[i]; i++)
- ata_port_free(host->ports[i]);
-
- /* give ports names and add SCSI hosts */
- for (i = 0; i < host->n_ports; i++) {
- host->ports[i]->print_id = atomic_inc_return(&ata_print_id);
- host->ports[i]->local_port_no = i + 1;
- }
-
/* Create associated sysfs transport objects */
for (i = 0; i < host->n_ports; i++) {
rc = ata_tport_add(host->dev,host->ports[i]);
diff --git a/drivers/ata/libata-sata.c b/drivers/ata/libata-sata.c
index 9e047bf912b1..48660d445602 100644
--- a/drivers/ata/libata-sata.c
+++ b/drivers/ata/libata-sata.c
@@ -1205,55 +1205,6 @@ int ata_scsi_change_queue_depth(struct scsi_device *sdev, int queue_depth)
EXPORT_SYMBOL_GPL(ata_scsi_change_queue_depth);
/**
- * ata_sas_port_alloc - Allocate port for a SAS attached SATA device
- * @host: ATA host container for all SAS ports
- * @port_info: Information from low-level host driver
- * @shost: SCSI host that the scsi device is attached to
- *
- * LOCKING:
- * PCI/etc. bus probe sem.
- *
- * RETURNS:
- * ata_port pointer on success / NULL on failure.
- */
-
-struct ata_port *ata_sas_port_alloc(struct ata_host *host,
- struct ata_port_info *port_info,
- struct Scsi_Host *shost)
-{
- struct ata_port *ap;
-
- ap = ata_port_alloc(host);
- if (!ap)
- return NULL;
-
- ap->port_no = 0;
- ap->lock = &host->lock;
- ap->pio_mask = port_info->pio_mask;
- ap->mwdma_mask = port_info->mwdma_mask;
- ap->udma_mask = port_info->udma_mask;
- ap->flags |= port_info->flags;
- ap->ops = port_info->port_ops;
- ap->cbl = ATA_CBL_SATA;
- ap->print_id = atomic_inc_return(&ata_print_id);
-
- return ap;
-}
-EXPORT_SYMBOL_GPL(ata_sas_port_alloc);
-
-int ata_sas_tport_add(struct device *parent, struct ata_port *ap)
-{
- return ata_tport_add(parent, ap);
-}
-EXPORT_SYMBOL_GPL(ata_sas_tport_add);
-
-void ata_sas_tport_delete(struct ata_port *ap)
-{
- ata_tport_delete(ap);
-}
-EXPORT_SYMBOL_GPL(ata_sas_tport_delete);
-
-/**
* ata_sas_device_configure - Default device_configure routine for libata
* devices
* @sdev: SCSI device to configure
diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c
index 67ce756f8dfc..d6f5e25e1ed8 100644
--- a/drivers/ata/libata-scsi.c
+++ b/drivers/ata/libata-scsi.c
@@ -230,6 +230,87 @@ void ata_scsi_set_sense_information(struct ata_device *dev,
SCSI_SENSE_BUFFERSIZE, information);
}
+/**
+ * ata_scsi_set_passthru_sense_fields - Set ATA fields in sense buffer
+ * @qc: ATA PASS-THROUGH command.
+ *
+ * Populates "ATA Status Return sense data descriptor" / "Fixed format
+ * sense data" with ATA taskfile fields.
+ *
+ * LOCKING:
+ * None.
+ */
+static void ata_scsi_set_passthru_sense_fields(struct ata_queued_cmd *qc)
+{
+ struct ata_device *dev = qc->dev;
+ struct scsi_cmnd *cmd = qc->scsicmd;
+ struct ata_taskfile *tf = &qc->result_tf;
+ unsigned char *sb = cmd->sense_buffer;
+
+ if (!(qc->flags & ATA_QCFLAG_RTF_FILLED)) {
+ ata_dev_dbg(dev,
+ "missing result TF: can't set ATA PT sense fields\n");
+ return;
+ }
+
+ if ((sb[0] & 0x7f) >= 0x72) {
+ unsigned char *desc;
+ u8 len;
+
+ /* descriptor format */
+ len = sb[7];
+ desc = (char *)scsi_sense_desc_find(sb, len + 8, 9);
+ if (!desc) {
+ if (SCSI_SENSE_BUFFERSIZE < len + 14)
+ return;
+ sb[7] = len + 14;
+ desc = sb + 8 + len;
+ }
+ desc[0] = 9;
+ desc[1] = 12;
+ /*
+ * Copy registers into sense buffer.
+ */
+ desc[2] = 0x00;
+ desc[3] = tf->error;
+ desc[5] = tf->nsect;
+ desc[7] = tf->lbal;
+ desc[9] = tf->lbam;
+ desc[11] = tf->lbah;
+ desc[12] = tf->device;
+ desc[13] = tf->status;
+
+ /*
+ * Fill in Extend bit, and the high order bytes
+ * if applicable.
+ */
+ if (tf->flags & ATA_TFLAG_LBA48) {
+ desc[2] |= 0x01;
+ desc[4] = tf->hob_nsect;
+ desc[6] = tf->hob_lbal;
+ desc[8] = tf->hob_lbam;
+ desc[10] = tf->hob_lbah;
+ }
+ } else {
+ /* Fixed sense format */
+ sb[0] |= 0x80;
+ sb[3] = tf->error;
+ sb[4] = tf->status;
+ sb[5] = tf->device;
+ sb[6] = tf->nsect;
+ if (tf->flags & ATA_TFLAG_LBA48) {
+ sb[8] |= 0x80;
+ if (tf->hob_nsect)
+ sb[8] |= 0x40;
+ if (tf->hob_lbal || tf->hob_lbam || tf->hob_lbah)
+ sb[8] |= 0x20;
+ }
+ sb[9] = tf->lbal;
+ sb[10] = tf->lbam;
+ sb[11] = tf->lbah;
+ }
+}
+
static void ata_scsi_set_invalid_field(struct ata_device *dev,
struct scsi_cmnd *cmd, u16 field, u8 bit)
{
@@ -711,7 +792,6 @@ static void ata_qc_set_pc_nbytes(struct ata_queued_cmd *qc)
/**
* ata_to_sense_error - convert ATA error to SCSI error
- * @id: ATA device number
* @drv_stat: value contained in ATA status register
* @drv_err: value contained in ATA error register
* @sk: the sense key we'll fill out
@@ -725,8 +805,8 @@ static void ata_qc_set_pc_nbytes(struct ata_queued_cmd *qc)
* LOCKING:
* spin_lock_irqsave(host lock)
*/
-static void ata_to_sense_error(unsigned id, u8 drv_stat, u8 drv_err, u8 *sk,
- u8 *asc, u8 *ascq)
+static void ata_to_sense_error(u8 drv_stat, u8 drv_err, u8 *sk, u8 *asc,
+ u8 *ascq)
{
int i;
@@ -837,10 +917,8 @@ static void ata_to_sense_error(unsigned id, u8 drv_stat, u8 drv_err, u8 *sk,
* ata_gen_passthru_sense - Generate check condition sense block.
* @qc: Command that completed.
*
- * This function is specific to the ATA descriptor format sense
- * block specified for the ATA pass through commands. Regardless
- * of whether the command errored or not, return a sense
- * block. Copy all controller registers into the sense
+ * This function is specific to the ATA pass through commands.
+ * Regardless of whether the command errored or not, return a sense
* block. If there was no error, we get the request from an ATA
* passthrough command, so we use the following sense data:
* sk = RECOVERED ERROR
@@ -852,13 +930,16 @@ static void ata_to_sense_error(unsigned id, u8 drv_stat, u8 drv_err, u8 *sk,
*/
static void ata_gen_passthru_sense(struct ata_queued_cmd *qc)
{
+ struct ata_device *dev = qc->dev;
struct scsi_cmnd *cmd = qc->scsicmd;
struct ata_taskfile *tf = &qc->result_tf;
- unsigned char *sb = cmd->sense_buffer;
- unsigned char *desc = sb + 8;
u8 sense_key, asc, ascq;
- memset(sb, 0, SCSI_SENSE_BUFFERSIZE);
+ if (!(qc->flags & ATA_QCFLAG_RTF_FILLED)) {
+ ata_dev_dbg(dev,
+ "missing result TF: can't generate ATA PT sense data\n");
+ return;
+ }
/*
* Use ata_to_sense_error() to map status register bits
@@ -866,71 +947,12 @@ static void ata_gen_passthru_sense(struct ata_queued_cmd *qc)
*/
if (qc->err_mask ||
tf->status & (ATA_BUSY | ATA_DF | ATA_ERR | ATA_DRQ)) {
- ata_to_sense_error(qc->ap->print_id, tf->status, tf->error,
+ ata_to_sense_error(tf->status, tf->error,
&sense_key, &asc, &ascq);
ata_scsi_set_sense(qc->dev, cmd, sense_key, asc, ascq);
} else {
- /*
- * ATA PASS-THROUGH INFORMATION AVAILABLE
- * Always in descriptor format sense.
- */
- scsi_build_sense(cmd, 1, RECOVERED_ERROR, 0, 0x1D);
- }
-
- if ((cmd->sense_buffer[0] & 0x7f) >= 0x72) {
- u8 len;
-
- /* descriptor format */
- len = sb[7];
- desc = (char *)scsi_sense_desc_find(sb, len + 8, 9);
- if (!desc) {
- if (SCSI_SENSE_BUFFERSIZE < len + 14)
- return;
- sb[7] = len + 14;
- desc = sb + 8 + len;
- }
- desc[0] = 9;
- desc[1] = 12;
- /*
- * Copy registers into sense buffer.
- */
- desc[2] = 0x00;
- desc[3] = tf->error;
- desc[5] = tf->nsect;
- desc[7] = tf->lbal;
- desc[9] = tf->lbam;
- desc[11] = tf->lbah;
- desc[12] = tf->device;
- desc[13] = tf->status;
-
- /*
- * Fill in Extend bit, and the high order bytes
- * if applicable.
- */
- if (tf->flags & ATA_TFLAG_LBA48) {
- desc[2] |= 0x01;
- desc[4] = tf->hob_nsect;
- desc[6] = tf->hob_lbal;
- desc[8] = tf->hob_lbam;
- desc[10] = tf->hob_lbah;
- }
- } else {
- /* Fixed sense format */
- desc[0] = tf->error;
- desc[1] = tf->status;
- desc[2] = tf->device;
- desc[3] = tf->nsect;
- desc[7] = 0;
- if (tf->flags & ATA_TFLAG_LBA48) {
- desc[8] |= 0x80;
- if (tf->hob_nsect)
- desc[8] |= 0x40;
- if (tf->hob_lbal || tf->hob_lbam || tf->hob_lbah)
- desc[8] |= 0x20;
- }
- desc[9] = tf->lbal;
- desc[10] = tf->lbam;
- desc[11] = tf->lbah;
+ /* ATA PASS-THROUGH INFORMATION AVAILABLE */
+ ata_scsi_set_sense(qc->dev, cmd, RECOVERED_ERROR, 0, 0x1D);
}
}
@@ -953,20 +975,25 @@ static void ata_gen_ata_sense(struct ata_queued_cmd *qc)
u64 block;
u8 sense_key, asc, ascq;
- memset(sb, 0, SCSI_SENSE_BUFFERSIZE);
-
if (ata_dev_disabled(dev)) {
/* Device disabled after error recovery */
/* LOGICAL UNIT NOT READY, HARD RESET REQUIRED */
ata_scsi_set_sense(dev, cmd, NOT_READY, 0x04, 0x21);
return;
}
+
+ if (!(qc->flags & ATA_QCFLAG_RTF_FILLED)) {
+ ata_dev_dbg(dev,
+ "missing result TF: can't generate sense data\n");
+ return;
+ }
+
/* Use ata_to_sense_error() to map status register bits
* onto sense key, asc & ascq.
*/
if (qc->err_mask ||
tf->status & (ATA_BUSY | ATA_DF | ATA_ERR | ATA_DRQ)) {
- ata_to_sense_error(qc->ap->print_id, tf->status, tf->error,
+ ata_to_sense_error(tf->status, tf->error,
&sense_key, &asc, &ascq);
ata_scsi_set_sense(dev, cmd, sense_key, asc, ascq);
} else {
@@ -1631,26 +1658,32 @@ static void ata_scsi_qc_complete(struct ata_queued_cmd *qc)
{
struct scsi_cmnd *cmd = qc->scsicmd;
u8 *cdb = cmd->cmnd;
- int need_sense = (qc->err_mask != 0) &&
- !(qc->flags & ATA_QCFLAG_SENSE_VALID);
+ bool have_sense = qc->flags & ATA_QCFLAG_SENSE_VALID;
+ bool is_ata_passthru = cdb[0] == ATA_16 || cdb[0] == ATA_12;
+ bool is_ck_cond_request = cdb[2] & 0x20;
+ bool is_error = qc->err_mask != 0;
/* For ATA pass thru (SAT) commands, generate a sense block if
* user mandated it or if there's an error. Note that if we
- * generate because the user forced us to [CK_COND =1], a check
+ * generate because the user forced us to [CK_COND=1], a check
* condition is generated and the ATA register values are returned
* whether the command completed successfully or not. If there
- * was no error, we use the following sense data:
+ * was no error, and CK_COND=1, we use the following sense data:
* sk = RECOVERED ERROR
* asc,ascq = ATA PASS-THROUGH INFORMATION AVAILABLE
*/
- if (((cdb[0] == ATA_16) || (cdb[0] == ATA_12)) &&
- ((cdb[2] & 0x20) || need_sense))
- ata_gen_passthru_sense(qc);
- else if (need_sense)
+ if (is_ata_passthru && (is_ck_cond_request || is_error || have_sense)) {
+ if (!have_sense)
+ ata_gen_passthru_sense(qc);
+ ata_scsi_set_passthru_sense_fields(qc);
+ if (is_ck_cond_request)
+ set_status_byte(qc->scsicmd, SAM_STAT_CHECK_CONDITION);
+ } else if (is_error && !have_sense) {
ata_gen_ata_sense(qc);
- else
+ } else {
/* Keep the SCSI ML and status byte, clear host byte. */
cmd->result &= 0x0000ffff;
+ }
ata_qc_done(qc);
}
@@ -2589,14 +2622,8 @@ static void atapi_qc_complete(struct ata_queued_cmd *qc)
/* handle completion from EH */
if (unlikely(err_mask || qc->flags & ATA_QCFLAG_SENSE_VALID)) {
- if (!(qc->flags & ATA_QCFLAG_SENSE_VALID)) {
- /* FIXME: not quite right; we don't want the
- * translation of taskfile registers into a
- * sense descriptors, since that's only
- * correct for ATA, not ATAPI
- */
+ if (!(qc->flags & ATA_QCFLAG_SENSE_VALID))
ata_gen_passthru_sense(qc);
- }
/* SCSI EH automatically locks door if sdev->locked is
* set. Sometimes door lock request continues to
diff --git a/drivers/ata/libata-transport.c b/drivers/ata/libata-transport.c
index 3e49a877500e..9e24c33388f9 100644
--- a/drivers/ata/libata-transport.c
+++ b/drivers/ata/libata-transport.c
@@ -217,7 +217,8 @@ static DEVICE_ATTR(name, S_IRUGO, show_ata_port_##name, NULL)
ata_port_simple_attr(nr_pmp_links, nr_pmp_links, "%d\n", int);
ata_port_simple_attr(stats.idle_irq, idle_irq, "%ld\n", unsigned long);
-ata_port_simple_attr(local_port_no, port_no, "%u\n", unsigned int);
+/* We want the port_no sysfs attibute to start at 1 (ap->port_no starts at 0) */
+ata_port_simple_attr(port_no + 1, port_no, "%u\n", unsigned int);
static DECLARE_TRANSPORT_CLASS(ata_port_class,
"ata_port", NULL, NULL, NULL);
@@ -265,6 +266,7 @@ void ata_tport_delete(struct ata_port *ap)
transport_destroy_device(dev);
put_device(dev);
}
+EXPORT_SYMBOL_GPL(ata_tport_delete);
static const struct device_type ata_port_sas_type = {
.name = ATA_PORT_TYPE_NAME,
@@ -329,6 +331,7 @@ int ata_tport_add(struct device *parent,
put_device(dev);
return error;
}
+EXPORT_SYMBOL_GPL(ata_tport_add);
/**
* ata_port_classify - determine device type based on ATA-spec signature
diff --git a/drivers/ata/libata-transport.h b/drivers/ata/libata-transport.h
index 08a57fb9dc61..50cd2cbe8eea 100644
--- a/drivers/ata/libata-transport.h
+++ b/drivers/ata/libata-transport.h
@@ -8,9 +8,6 @@ extern struct scsi_transport_template *ata_scsi_transport_template;
int ata_tlink_add(struct ata_link *link);
void ata_tlink_delete(struct ata_link *link);
-int ata_tport_add(struct device *parent, struct ata_port *ap);
-void ata_tport_delete(struct ata_port *ap);
-
struct scsi_transport_template *ata_attach_transport(void);
void ata_release_transport(struct scsi_transport_template *t);
diff --git a/drivers/ata/libata.h b/drivers/ata/libata.h
index 38ce13b55474..6abf265f626e 100644
--- a/drivers/ata/libata.h
+++ b/drivers/ata/libata.h
@@ -32,7 +32,6 @@ enum {
#define ATA_PORT_TYPE_NAME "ata_port"
-extern atomic_t ata_print_id;
extern int atapi_passthru16;
extern int libata_fua;
extern int libata_noacpi;
@@ -82,7 +81,6 @@ extern void ata_link_init(struct ata_port *ap, struct ata_link *link, int pmp);
extern int sata_link_init_spd(struct ata_link *link);
extern int ata_task_ioctl(struct scsi_device *scsidev, void __user *arg);
extern int ata_cmd_ioctl(struct scsi_device *scsidev, void __user *arg);
-extern struct ata_port *ata_port_alloc(struct ata_host *host);
extern const char *sata_spd_string(unsigned int spd);
extern unsigned int ata_read_log_page(struct ata_device *dev, u8 log,
u8 page, void *buf, unsigned int sectors);
diff --git a/drivers/scsi/libsas/sas_ata.c b/drivers/scsi/libsas/sas_ata.c
index cbbe43d8ef87..88714b7b0dba 100644
--- a/drivers/scsi/libsas/sas_ata.c
+++ b/drivers/scsi/libsas/sas_ata.c
@@ -572,15 +572,6 @@ static struct ata_port_operations sas_sata_ops = {
.end_eh = sas_ata_end_eh,
};
-static struct ata_port_info sata_port_info = {
- .flags = ATA_FLAG_SATA | ATA_FLAG_PIO_DMA | ATA_FLAG_NCQ |
- ATA_FLAG_SAS_HOST | ATA_FLAG_FPDMA_AUX,
- .pio_mask = ATA_PIO4,
- .mwdma_mask = ATA_MWDMA2,
- .udma_mask = ATA_UDMA6,
- .port_ops = &sas_sata_ops
-};
-
int sas_ata_init(struct domain_device *found_dev)
{
struct sas_ha_struct *ha = found_dev->port->ha;
@@ -597,18 +588,25 @@ int sas_ata_init(struct domain_device *found_dev)
ata_host_init(ata_host, ha->dev, &sas_sata_ops);
- ap = ata_sas_port_alloc(ata_host, &sata_port_info, shost);
+ ap = ata_port_alloc(ata_host);
if (!ap) {
- pr_err("ata_sas_port_alloc failed.\n");
+ pr_err("ata_port_alloc failed.\n");
rc = -ENODEV;
goto free_host;
}
+ ap->port_no = 0;
+ ap->pio_mask = ATA_PIO4;
+ ap->mwdma_mask = ATA_MWDMA2;
+ ap->udma_mask = ATA_UDMA6;
+ ap->flags |= ATA_FLAG_SATA | ATA_FLAG_PIO_DMA | ATA_FLAG_NCQ |
+ ATA_FLAG_SAS_HOST | ATA_FLAG_FPDMA_AUX;
+ ap->ops = &sas_sata_ops;
ap->private_data = found_dev;
ap->cbl = ATA_CBL_SATA;
ap->scsi_host = shost;
- rc = ata_sas_tport_add(ata_host->dev, ap);
+ rc = ata_tport_add(ata_host->dev, ap);
if (rc)
goto free_port;
diff --git a/drivers/scsi/libsas/sas_discover.c b/drivers/scsi/libsas/sas_discover.c
index 48d975c6dbf2..951bdc554a10 100644
--- a/drivers/scsi/libsas/sas_discover.c
+++ b/drivers/scsi/libsas/sas_discover.c
@@ -300,7 +300,7 @@ void sas_free_device(struct kref *kref)
kfree(dev->ex_dev.ex_phy);
if (dev_is_sata(dev) && dev->sata_dev.ap) {
- ata_sas_tport_delete(dev->sata_dev.ap);
+ ata_tport_delete(dev->sata_dev.ap);
ata_port_free(dev->sata_dev.ap);
ata_host_put(dev->sata_dev.ata_host);
dev->sata_dev.ata_host = NULL;
diff --git a/include/linux/libata.h b/include/linux/libata.h
index 7d3bd7c9664a..17394098bee9 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -814,7 +814,6 @@ struct ata_port {
/* Flags that change dynamically, protected by ap->lock */
unsigned int pflags; /* ATA_PFLAG_xxx */
unsigned int print_id; /* user visible unique port ID */
- unsigned int local_port_no; /* host local port num */
unsigned int port_no; /* 0 based port no. inside the host */
#ifdef CONFIG_ATA_SFF
@@ -1069,7 +1068,7 @@ extern int sata_std_hardreset(struct ata_link *link, unsigned int *class,
unsigned long deadline);
extern void ata_std_postreset(struct ata_link *link, unsigned int *classes);
-extern struct ata_host *ata_host_alloc(struct device *dev, int max_ports);
+extern struct ata_host *ata_host_alloc(struct device *dev, int n_ports);
extern struct ata_host *ata_host_alloc_pinfo(struct device *dev,
const struct ata_port_info * const * ppi, int n_ports);
extern void ata_host_get(struct ata_host *host);
@@ -1082,7 +1081,6 @@ extern int ata_host_activate(struct ata_host *host, int irq,
const struct scsi_host_template *sht);
extern void ata_host_detach(struct ata_host *host);
extern void ata_host_init(struct ata_host *, struct device *, struct ata_port_operations *);
-extern int ata_scsi_detect(struct scsi_host_template *sht);
extern int ata_scsi_ioctl(struct scsi_device *dev, unsigned int cmd,
void __user *arg);
#ifdef CONFIG_COMPAT
@@ -1246,12 +1244,11 @@ extern int sata_link_debounce(struct ata_link *link,
extern int sata_link_scr_lpm(struct ata_link *link, enum ata_lpm_policy policy,
bool spm_wakeup);
extern int ata_slave_link_init(struct ata_port *ap);
-extern struct ata_port *ata_sas_port_alloc(struct ata_host *,
- struct ata_port_info *, struct Scsi_Host *);
extern void ata_port_probe(struct ata_port *ap);
+extern struct ata_port *ata_port_alloc(struct ata_host *host);
extern void ata_port_free(struct ata_port *ap);
-extern int ata_sas_tport_add(struct device *parent, struct ata_port *ap);
-extern void ata_sas_tport_delete(struct ata_port *ap);
+extern int ata_tport_add(struct device *parent, struct ata_port *ap);
+extern void ata_tport_delete(struct ata_port *ap);
int ata_sas_device_configure(struct scsi_device *sdev, struct queue_limits *lim,
struct ata_port *ap);
extern int ata_sas_queuecmd(struct scsi_cmnd *cmd, struct ata_port *ap);
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