diff -urNp linux-2.4.33-pre3.orig/drivers/scsi/ata_piix.c linux-2.4.33-pre3/drivers/scsi/ata_piix.c
--- linux-2.4.33-pre3.orig/drivers/scsi/ata_piix.c	2006-05-04 10:35:42.000000000 -0700
+++ linux-2.4.33-pre3/drivers/scsi/ata_piix.c	2006-09-06 11:46:16.000000000 -0700
@@ -144,6 +144,9 @@ static Scsi_Host_Template piix_sht = {
 	.emulated		= ATA_SHT_EMULATED,
 	.use_clustering		= ATA_SHT_USE_CLUSTERING,
 	.proc_name		= DRV_NAME,
+#ifdef CONFIG_PROC_FS
+	.proc_info		= ata_scsi_proc_info,
+#endif
 	.bios_param		= ata_std_bios_param,
 };
 
diff -urNp linux-2.4.33-pre3.orig/drivers/scsi/libata-core.c linux-2.4.33-pre3/drivers/scsi/libata-core.c
--- linux-2.4.33-pre3.orig/drivers/scsi/libata-core.c	2006-05-04 10:35:42.000000000 -0700
+++ linux-2.4.33-pre3/drivers/scsi/libata-core.c	2006-09-06 11:46:16.000000000 -0700
@@ -4871,6 +4871,50 @@ int pci_test_config_bits(struct pci_dev 
 }
 #endif /* CONFIG_PCI */
 
+#ifdef CONFIG_PROC_FS
+int ata_scsi_proc_info(char *buffer, char **start, off_t offset, int length, int hostno, int inout)
+{
+	struct Scsi_Host *host = NULL;
+	struct ata_port *ap;
+	char *pos = buffer;
+	int i, pci_bus, pci_slot, pci_func;
+
+	for (host = scsi_hostlist; host; host = host->next) {
+		if (host->host_no == hostno) {
+			break;
+		}
+	}
+	if (!host) {
+		printk(KERN_WARNING "ata: scsi host %d not found.\n", hostno);
+		return (-EINVAL);
+	}
+	if (inout) { /* write requested */
+		return (-EINVAL);
+	}
+	ap = (struct ata_port *) &host->hostdata[0];
+	pci_bus = ap->host_set->dev->pdev.bus->number;
+	pci_slot = PCI_SLOT(ap->host_set->dev->pdev.devfn);
+	pci_func = PCI_FUNC(ap->host_set->dev->pdev.devfn);
+	
+	pos += sprintf(pos, "%x:%x:%x ATA Port %d Drive(s)", pci_bus, pci_slot, pci_func, ap->hard_port_no);
+	for (i = 0; i < ATA_MAX_DEVICES; i++) {
+		if (ata_dev_present(&ap->device[i])) {
+			pos += sprintf(pos, " %d", ap->device[i].devno);
+		}
+	}
+	pos += sprintf(pos, "\n");
+	*start = buffer + offset;
+	if(pos - buffer < offset) {
+	    return 0;
+	}
+	else if(pos - buffer - offset < length) {
+		return (pos - buffer - offset);
+	}
+	else {
+		return length;
+	}
+}
+#endif /* CONFIG_PROC_FS */
 
 static int __init ata_init(void)
 {
@@ -4970,3 +5014,8 @@ EXPORT_SYMBOL_GPL(ata_pci_init_native_mo
 EXPORT_SYMBOL_GPL(ata_pci_init_one);
 EXPORT_SYMBOL_GPL(ata_pci_remove_one);
 #endif /* CONFIG_PCI */
+
+#ifdef CONFIG_PROC_FS
+EXPORT_SYMBOL_GPL(ata_scsi_proc_info);
+#endif /* CONFIG_PROC_FS */
+
diff -urNp linux-2.4.33-pre3.orig/drivers/scsi/libata.h linux-2.4.33-pre3/drivers/scsi/libata.h
--- linux-2.4.33-pre3.orig/drivers/scsi/libata.h	2006-05-04 10:35:42.000000000 -0700
+++ linux-2.4.33-pre3/drivers/scsi/libata.h	2006-09-06 11:46:16.000000000 -0700
@@ -52,7 +52,6 @@ extern void swap_buf_le16(u16 *buf, unsi
 extern int ata_task_ioctl(struct scsi_device *scsidev, void __user *arg);
 extern int ata_cmd_ioctl(struct scsi_device *scsidev, void __user *arg);
 
-
 /* libata-scsi.c */
 extern int ata_scsi_error(struct Scsi_Host *host);
 extern unsigned int ata_scsiop_inq_std(struct ata_scsi_args *args, u8 *rbuf,
diff -urNp linux-2.4.33-pre3.orig/drivers/scsi/sata_nv.c linux-2.4.33-pre3/drivers/scsi/sata_nv.c
--- linux-2.4.33-pre3.orig/drivers/scsi/sata_nv.c	2006-05-04 10:35:42.000000000 -0700
+++ linux-2.4.33-pre3/drivers/scsi/sata_nv.c	2006-09-06 11:46:16.000000000 -0700
@@ -235,6 +235,9 @@ static Scsi_Host_Template nv_sht = {
 	.emulated		= ATA_SHT_EMULATED,
 	.use_clustering		= ATA_SHT_USE_CLUSTERING,
 	.proc_name		= DRV_NAME,
+#ifdef CONFIG_PROC_FS
+	.proc_info		= ata_scsi_proc_info,
+#endif
 	.bios_param		= ata_std_bios_param,
 };
 
diff -urNp linux-2.4.33-pre3.orig/drivers/scsi/sata_promise.c linux-2.4.33-pre3/drivers/scsi/sata_promise.c
--- linux-2.4.33-pre3.orig/drivers/scsi/sata_promise.c	2006-05-04 10:35:42.000000000 -0700
+++ linux-2.4.33-pre3/drivers/scsi/sata_promise.c	2006-09-06 11:46:16.000000000 -0700
@@ -110,6 +110,9 @@ static Scsi_Host_Template pdc_ata_sht = 
 	.emulated		= ATA_SHT_EMULATED,
 	.use_clustering		= ATA_SHT_USE_CLUSTERING,
 	.proc_name		= DRV_NAME,
+#ifdef CONFIG_PROC_FS
+	.proc_info		= ata_scsi_proc_info,
+#endif
 	.bios_param		= ata_std_bios_param,
 };
 
diff -urNp linux-2.4.33-pre3.orig/drivers/scsi/sata_qstor.c linux-2.4.33-pre3/drivers/scsi/sata_qstor.c
--- linux-2.4.33-pre3.orig/drivers/scsi/sata_qstor.c	2006-05-04 10:35:42.000000000 -0700
+++ linux-2.4.33-pre3/drivers/scsi/sata_qstor.c	2006-09-06 11:46:16.000000000 -0700
@@ -145,6 +145,9 @@ static Scsi_Host_Template qs_ata_sht = {
 	//FIXME .use_clustering		= ATA_SHT_USE_CLUSTERING,
 	.use_clustering		= ENABLE_CLUSTERING,
 	.proc_name		= DRV_NAME,
+#ifdef CONFIG_PROC_FS
+	.proc_info		= ata_scsi_proc_info,
+#endif
 	.bios_param		= ata_std_bios_param,
 };
 
diff -urNp linux-2.4.33-pre3.orig/drivers/scsi/sata_svw.c linux-2.4.33-pre3/drivers/scsi/sata_svw.c
--- linux-2.4.33-pre3.orig/drivers/scsi/sata_svw.c	2006-05-04 10:35:42.000000000 -0700
+++ linux-2.4.33-pre3/drivers/scsi/sata_svw.c	2006-09-06 11:46:16.000000000 -0700
@@ -300,8 +300,12 @@ static Scsi_Host_Template k2_sata_sht = 
 	.emulated		= ATA_SHT_EMULATED,
 	.use_clustering		= ATA_SHT_USE_CLUSTERING,
 	.proc_name		= DRV_NAME,
+#ifdef CONFIG_PROC_FS
 #ifdef CONFIG_PPC_OF
 	.proc_info		= k2_sata_proc_info,
+#else
+	.proc_info		= ata_scsi_proc_info,
+#endif
 #endif
 	.bios_param		= ata_std_bios_param,
 };
diff -urNp linux-2.4.33-pre3.orig/drivers/scsi/sata_sx4.c linux-2.4.33-pre3/drivers/scsi/sata_sx4.c
--- linux-2.4.33-pre3.orig/drivers/scsi/sata_sx4.c	2006-05-04 10:35:42.000000000 -0700
+++ linux-2.4.33-pre3/drivers/scsi/sata_sx4.c	2006-09-06 11:46:16.000000000 -0700
@@ -193,6 +193,9 @@ static Scsi_Host_Template pdc_sata_sht =
 	.emulated		= ATA_SHT_EMULATED,
 	.use_clustering		= ATA_SHT_USE_CLUSTERING,
 	.proc_name		= DRV_NAME,
+#ifdef CONFIG_PROC_FS
+	.proc_info		= ata_scsi_proc_info,
+#endif
 	.bios_param		= ata_std_bios_param,
 };
 
diff -urNp linux-2.4.33-pre3.orig/drivers/scsi/sata_uli.c linux-2.4.33-pre3/drivers/scsi/sata_uli.c
--- linux-2.4.33-pre3.orig/drivers/scsi/sata_uli.c	2006-05-04 10:35:42.000000000 -0700
+++ linux-2.4.33-pre3/drivers/scsi/sata_uli.c	2006-09-06 11:46:16.000000000 -0700
@@ -87,6 +87,9 @@ static Scsi_Host_Template uli_sht = {
 	.emulated		= ATA_SHT_EMULATED,
 	.use_clustering		= ATA_SHT_USE_CLUSTERING,
 	.proc_name		= DRV_NAME,
+#ifdef CONFIG_PROC_FS
+	.proc_info		= ata_scsi_proc_info,
+#endif
 	.bios_param		= ata_std_bios_param,
 };
 
diff -urNp linux-2.4.33-pre3.orig/drivers/scsi/sata_via.c linux-2.4.33-pre3/drivers/scsi/sata_via.c
--- linux-2.4.33-pre3.orig/drivers/scsi/sata_via.c	2006-05-04 10:35:42.000000000 -0700
+++ linux-2.4.33-pre3/drivers/scsi/sata_via.c	2006-09-06 11:46:16.000000000 -0700
@@ -106,6 +106,9 @@ static Scsi_Host_Template svia_sht = {
 	.emulated		= ATA_SHT_EMULATED,
 	.use_clustering		= ATA_SHT_USE_CLUSTERING,
 	.proc_name		= DRV_NAME,
+#ifdef CONFIG_PROC_FS
+	.proc_info		= ata_scsi_proc_info,
+#endif
 	.bios_param		= ata_std_bios_param,
 };
 
diff -urNp linux-2.4.33-pre3.orig/drivers/scsi/sata_vsc.c linux-2.4.33-pre3/drivers/scsi/sata_vsc.c
--- linux-2.4.33-pre3.orig/drivers/scsi/sata_vsc.c	2006-05-04 10:35:42.000000000 -0700
+++ linux-2.4.33-pre3/drivers/scsi/sata_vsc.c	2006-09-06 11:46:16.000000000 -0700
@@ -234,6 +234,9 @@ static Scsi_Host_Template vsc_sata_sht =
 	.emulated		= ATA_SHT_EMULATED,
 	.use_clustering		= ATA_SHT_USE_CLUSTERING,
 	.proc_name		= DRV_NAME,
+#ifdef CONFIG_PROC_FS
+	.proc_info		= ata_scsi_proc_info,
+#endif
 	.bios_param		= ata_std_bios_param,
 };
 
diff -urNp linux-2.4.33-pre3.orig/include/linux/libata.h linux-2.4.33-pre3/include/linux/libata.h
--- linux-2.4.33-pre3.orig/include/linux/libata.h	2006-05-04 10:35:42.000000000 -0700
+++ linux-2.4.33-pre3/include/linux/libata.h	2006-09-06 11:46:45.000000000 -0700
@@ -526,6 +526,10 @@ extern int pci_test_config_bits(struct p
 
 #endif /* CONFIG_PCI */
 
+#ifdef CONFIG_PROC_FS
+extern int ata_scsi_proc_info(char *buffer, char **start, off_t offset,
+					 int length, int hostno, int inout);
+#endif /* CONFIG_PROC_FS */
 
 static inline int
 ata_sg_is_last(struct scatterlist *sg, struct ata_queued_cmd *qc)