UBUNTU: Ubuntu-4.15.0-96.97

[mirror_ubuntu-bionic-kernel.git] / drivers / ata / ahci.h

diff --git a/drivers/ata/ahci.h b/drivers/ata/ahci.h
index 749fd94441b034104bc9ac87738785c43337c876..4a0ed3942e256543611d90960afb452aae5bd1f2 100644 (file)
--- a/drivers/ata/ahci.h
+++ b/drivers/ata/ahci.h
@@ -251,6 +251,9 @@ enum {
        AHCI_HFLAG_YES_ALPM             = (1 << 23), /* force ALPM cap on */
        AHCI_HFLAG_NO_WRITE_TO_RO       = (1 << 24), /* don't write to read
                                                        only registers */
+       AHCI_HFLAG_IS_MOBILE            = (1 << 25), /* mobile chipset, use
+                                                       SATA_MOBILE_LPM_POLICY
+                                                       as default lpm_policy */
 
        /* ap->flags bits */
 
@@ -258,6 +261,8 @@ enum {
                                          ATA_FLAG_ACPI_SATA | ATA_FLAG_AN,
 
        ICH_MAP                         = 0x90, /* ICH MAP register */
+       PCS_6                           = 0x92, /* 6 port PCS */
+       PCS_7                           = 0x94, /* 7+ port PCS (Denverton) */
 
        /* em constants */
        EM_MAX_SLOTS                    = 8,
@@ -362,6 +367,13 @@ struct ahci_host_priv {
         * be overridden anytime before the host is activated.
         */
        void                    (*start_engine)(struct ata_port *ap);
+       /*
+        * Optional ahci_stop_engine override, if not set this gets set to the
+        * default ahci_stop_engine during ahci_save_initial_config, this can
+        * be overridden anytime before the host is activated.
+        */
+       int                     (*stop_engine)(struct ata_port *ap);
+
        irqreturn_t             (*irq_handler)(int irq, void *dev_instance);
 
        /* only required for per-port MSI(-X) support */