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authorChristopher Pascoe <pascoe@cvs.openbsd.org>2007-03-04 14:46:39 +0000
committerChristopher Pascoe <pascoe@cvs.openbsd.org>2007-03-04 14:46:39 +0000
commit1957a371a891e39f2e4f956c4fb10bed28904bb4 (patch)
treeeedf4f6d8f6081e69315980a563a311262bdfe91
parent172ba482ebe4dcdffc579f989d95bffcc1dc4ae9 (diff)
Replace empty ahci_ata_{probe,cmd} stubs with ones that do something.
Mostly from dlg@
-rw-r--r--sys/dev/pci/ahci.c88
1 files changed, 75 insertions, 13 deletions
diff --git a/sys/dev/pci/ahci.c b/sys/dev/pci/ahci.c
index d4cb8f558e1..a7d2e739d0d 100644
--- a/sys/dev/pci/ahci.c
+++ b/sys/dev/pci/ahci.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: ahci.c,v 1.62 2007/03/04 14:40:41 pascoe Exp $ */
+/* $OpenBSD: ahci.c,v 1.63 2007/03/04 14:46:38 pascoe Exp $ */
/*
* Copyright (c) 2006 David Gwynne <dlg@openbsd.org>
@@ -1199,18 +1199,6 @@ ahci_intr(void *arg)
return (0);
}
-int
-ahci_ata_probe(void *xsc, int port)
-{
- return (0);
-}
-
-int
-ahci_ata_cmd(void *xsc, struct ata_xfer *xa)
-{
- return (0);
-}
-
struct ahci_ccb *
ahci_get_ccb(struct ahci_port *ap)
{
@@ -1376,3 +1364,77 @@ ahci_pwait_ne(struct ahci_port *ap, bus_size_t r, u_int32_t mask,
return (1);
}
+
+int
+ahci_ata_probe(void *xsc, int port)
+{
+ struct ahci_softc *sc = xsc;
+ struct ahci_port *ap = sc->sc_ports[port];
+
+ if (ap == NULL)
+ return (ATA_PORT_T_NONE);
+
+ return (ATA_PORT_T_DISK);
+}
+
+int
+ahci_ata_cmd(void *xsc, struct ata_xfer *xa)
+{
+ struct ahci_softc *sc = xsc;
+ struct ahci_port *ap = sc->sc_ports[xa->port->ap_port];
+ struct ahci_ccb *ccb;
+ struct ahci_cmd_hdr *cmd_slot;
+ u_int8_t *fis;
+ int s;
+
+ if (ap == NULL)
+ return (ATA_ERROR);
+
+ s = splbio();
+ ccb = ahci_get_ccb(ap);
+ splx(s);
+ if (ccb == NULL)
+ return (ATA_ERROR);
+
+ ccb->ccb_xa = xa;
+ cmd_slot = &ap->ap_cmd_list[ccb->ccb_slot];
+ bzero(cmd_slot, sizeof(struct ahci_cmd_hdr));
+ bzero(ccb->ccb_cmd_table, sizeof(struct ahci_cmd_table));
+
+ fis = ccb->ccb_cmd_table->cfis;
+ fis[0] = 0x27;
+ fis[1] = 0x80;
+ fis[2] = xa->cmd.command;
+ fis[3] = xa->cmd.features;
+ fis[4] = xa->cmd.sector;
+ fis[5] = (xa->cmd.cyl & 0xff);
+ fis[6] = (xa->cmd.cyl >> 8) & 0xff;
+ fis[7] = xa->cmd.head & 0x0f;
+ fis[8] = 0;
+ fis[9] = 0;
+ fis[10] = 0;
+ fis[11] = 0;
+ fis[12] = xa->cmd.count;
+ fis[13] = 0;
+ fis[14] = 0;
+ fis[15] = 0x08;
+ fis[16] = 0;
+ fis[17] = 0;
+ fis[18] = 0;
+ fis[19] = 0;
+
+ if (ahci_load_prdt(ccb, xa) != 0) {
+ s = splbio();
+ ahci_put_ccb(ap, ccb);
+ splx(s);
+ return (ATA_ERROR);
+ }
+
+ cmd_slot->flags = htole16(5); /* FIS length (in DWORDs) */
+ if (xa->flags & ATA_F_WRITE)
+ cmd_slot->flags |= htole16(AHCI_CMD_LIST_FLAG_W);
+ cmd_slot->ctba_hi = htole32((u_int32_t)(ccb->ccb_cmd_table_dva >> 32));
+ cmd_slot->ctba_lo = htole32((u_int32_t)ccb->ccb_cmd_table_dva);
+
+ return (ahci_start(ccb));
+}