@@ -20,7 +20,7 @@
#include <acpi/acpi_bus.h>
-static unsigned int ata_acpi_gtf_filter = ATA_ACPI_FILTER_DEFAULT;
+unsigned int ata_acpi_gtf_filter = ATA_ACPI_FILTER_DEFAULT;
module_param_named(acpi_gtf_filter, ata_acpi_gtf_filter, int, 0644);
MODULE_PARM_DESC(acpi_gtf_filter, "filter mask for ACPI _GTF commands, set to filter out (0x1=set xfermode, 0x2=lock/freeze lock, 0x4=DIPM, 0x8=FPDMA non-zero offset, 0x10=FPDMA DMA Setup FIS auto-activate)");
@@ -603,10 +603,11 @@ static void ata_acpi_gtf_to_tf(struct ata_device *dev,
tf->command = gtf->tf[6]; /* 0x1f7 */
}
-static int ata_acpi_filter_tf(const struct ata_taskfile *tf,
+static int ata_acpi_filter_tf(struct ata_device *dev,
+ const struct ata_taskfile *tf,
const struct ata_taskfile *ptf)
{
- if (ata_acpi_gtf_filter & ATA_ACPI_FILTER_SETXFER) {
+ if (dev->gtf_filter & ATA_ACPI_FILTER_SETXFER) {
/* libata doesn't use ACPI to configure transfer mode.
* It will only confuse device configuration. Skip.
*/
@@ -615,7 +616,7 @@ static int ata_acpi_filter_tf(const struct ata_taskfile *tf,
return 1;
}
- if (ata_acpi_gtf_filter & ATA_ACPI_FILTER_LOCK) {
+ if (dev->gtf_filter & ATA_ACPI_FILTER_LOCK) {
/* BIOS writers, sorry but we don't wanna lock
* features unless the user explicitly said so.
*/
@@ -640,18 +641,18 @@ static int ata_acpi_filter_tf(const struct ata_taskfile *tf,
if (tf->command == ATA_CMD_SET_FEATURES &&
tf->feature == SETFEATURES_SATA_ENABLE) {
/* inhibit enabling DIPM */
- if (ata_acpi_gtf_filter & ATA_ACPI_FILTER_DIPM &&
+ if (dev->gtf_filter & ATA_ACPI_FILTER_DIPM &&
tf->nsect == SATA_DIPM)
return 1;
/* inhibit FPDMA non-zero offset */
- if (ata_acpi_gtf_filter & ATA_ACPI_FILTER_FPDMA_OFFSET &&
+ if (dev->gtf_filter & ATA_ACPI_FILTER_FPDMA_OFFSET &&
(tf->nsect == SATA_FPDMA_OFFSET ||
tf->nsect == SATA_FPDMA_IN_ORDER))
return 1;
/* inhibit FPDMA auto activation */
- if (ata_acpi_gtf_filter & ATA_ACPI_FILTER_FPDMA_AA &&
+ if (dev->gtf_filter & ATA_ACPI_FILTER_FPDMA_AA &&
tf->nsect == SATA_FPDMA_AA)
return 1;
}
@@ -704,7 +705,7 @@ static int ata_acpi_run_tf(struct ata_device *dev,
pptf = &ptf;
}
- if (!ata_acpi_filter_tf(&tf, pptf)) {
+ if (!ata_acpi_filter_tf(dev, &tf, pptf)) {
rtf = tf;
err_mask = ata_exec_internal(dev, &rtf, NULL,
DMA_NONE, NULL, 0, 0);
@@ -5560,6 +5560,9 @@ void ata_link_init(struct ata_port *ap, struct ata_link *link, int pmp)
dev->link = link;
dev->devno = dev - link->device;
+#ifdef CONFIG_ATA_ACPI
+ dev->gtf_filter = ata_acpi_gtf_filter;
+#endif
ata_dev_init(dev);
}
}
@@ -118,6 +118,8 @@ extern void ata_lpm_schedule(struct ata_port *ap, enum link_pm);
/* libata-acpi.c */
#ifdef CONFIG_ATA_ACPI
+extern unsigned int ata_acpi_gtf_filter;
+
extern void ata_acpi_associate_sata_port(struct ata_port *ap);
extern void ata_acpi_associate(struct ata_host *host);
extern void ata_acpi_dissociate(struct ata_host *host);
@@ -597,6 +597,7 @@ struct ata_device {
#ifdef CONFIG_ATA_ACPI
acpi_handle acpi_handle;
union acpi_object *gtf_cache;
+ unsigned int gtf_filter;
#endif
/* n_sector is CLEAR_BEGIN, read comment above CLEAR_BEGIN */
u64 n_sectors; /* size of device, if ATA */
Add ->gtf_filter to ata_device and set it to ata_acpi_gtf_filter when initializing ata_link. This is to allow quirks which apply different gtf filters. Signed-off-by: Tejun Heo <tj@kernel.org> --- drivers/ata/libata-acpi.c | 17 +++++++++-------- drivers/ata/libata-core.c | 3 +++ drivers/ata/libata.h | 2 ++ include/linux/libata.h | 1 + 4 files changed, 15 insertions(+), 8 deletions(-)