Differences

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--- sata_port_multipliers [2019/04/24 11:31] – [struct ata_port] rpjday
+++ sata_port_multipliers [2019/04/24 12:30] (current) – [struct ata_device] rpjday
@@ Line 14: / Line 14: @@
       * Makefile
       * libata-pmp.c
+      * libata-eh.c
 ===== Build files [drivers/ata] =====
@@ Line 108: / Line 109: @@
         ...
         ATA_FLAG_PMP            = (1 << 19), /* controller supports PMP */
+        ...
+</code>
+<code>
+struct ata_port_operations {
+        ...
+        void (*pmp_attach)(struct ata_port *ap);
+        void (*pmp_detach)(struct ata_port *ap);
         ...
 </code>
@@ Line 172: / Line 181: @@
         unsigned int            class;          /* ATA_DEV_xxx */
         ...
+        union {
+                u16             id[ATA_ID_WORDS]; /* IDENTIFY xxx DEVICE data */
+                u32             gscr[SATA_PMP_GSCR_DWORDS]; /* PMP GSCR block */
+        } ____cacheline_aligned;
 </code>
@@ Line 185: / Line 199: @@
         int                     pmp;            /* port multiplier port # */
         ...
+        struct ata_device       device[ATA_MAX_DEVICES];
 </code>
@@ Line 209: / Line 224: @@
 </code>
-===== libata-pmp.c =====
+===== drivers/ata/ =====
+==== libata-eh.c ====
+<code>
+static int ata_eh_revalidate_and_attach(struct ata_link *link,
+					struct ata_device **r_failed_dev)
+{
+	struct ata_port *ap = link->ap;
+	struct ata_eh_context *ehc = &link->eh_context;
+	struct ata_device *dev;
+        ...
+        ata_for_each_dev(dev, link, ALL_REVERSE) {
+                ...
+                dev->class = ehc->classes[dev->devno];
+                if (dev->class == ATA_DEV_PMP)
+                        rc = sata_pmp_attach(dev);
+                else
+                        ...
+</code>
+==== libata-pmp.c ====
-==== sata_pmp_configure() ====
+=== sata_pmp_configure() ===