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Diffstat (limited to 'qemu/roms/seabios/src/hw/lsi-scsi.c')
-rw-r--r--qemu/roms/seabios/src/hw/lsi-scsi.c211
1 files changed, 0 insertions, 211 deletions
diff --git a/qemu/roms/seabios/src/hw/lsi-scsi.c b/qemu/roms/seabios/src/hw/lsi-scsi.c
deleted file mode 100644
index ad3352886..000000000
--- a/qemu/roms/seabios/src/hw/lsi-scsi.c
+++ /dev/null
@@ -1,211 +0,0 @@
-// (qemu-emulated) lsi53c895a boot support.
-//
-// Copyright (C) 2012 Red Hat Inc.
-//
-// Authors:
-// Gerd Hoffmann <kraxel@redhat.com>
-//
-// based on virtio-scsi.c which is written by:
-// Paolo Bonzini <pbonzini@redhat.com>
-//
-// This file may be distributed under the terms of the GNU LGPLv3 license.
-
-#include "biosvar.h" // GET_GLOBALFLAT
-#include "block.h" // struct drive_s
-#include "blockcmd.h" // scsi_drive_setup
-#include "config.h" // CONFIG_*
-#include "fw/paravirt.h" // runningOnQEMU
-#include "malloc.h" // free
-#include "output.h" // dprintf
-#include "pci.h" // foreachpci
-#include "pci_ids.h" // PCI_DEVICE_ID_VIRTIO_BLK
-#include "pci_regs.h" // PCI_VENDOR_ID
-#include "std/disk.h" // DISK_RET_SUCCESS
-#include "string.h" // memset
-#include "util.h" // usleep
-
-#define LSI_REG_DSTAT 0x0c
-#define LSI_REG_ISTAT0 0x14
-#define LSI_REG_DSP0 0x2c
-#define LSI_REG_DSP1 0x2d
-#define LSI_REG_DSP2 0x2e
-#define LSI_REG_DSP3 0x2f
-#define LSI_REG_SIST0 0x42
-#define LSI_REG_SIST1 0x43
-
-#define LSI_ISTAT0_DIP 0x01
-#define LSI_ISTAT0_SIP 0x02
-#define LSI_ISTAT0_INTF 0x04
-#define LSI_ISTAT0_CON 0x08
-#define LSI_ISTAT0_SEM 0x10
-#define LSI_ISTAT0_SIGP 0x20
-#define LSI_ISTAT0_SRST 0x40
-#define LSI_ISTAT0_ABRT 0x80
-
-struct lsi_lun_s {
- struct drive_s drive;
- struct pci_device *pci;
- u32 iobase;
- u8 target;
- u8 lun;
-};
-
-int
-lsi_scsi_process_op(struct disk_op_s *op)
-{
- if (!CONFIG_LSI_SCSI)
- return DISK_RET_EBADTRACK;
- struct lsi_lun_s *llun_gf =
- container_of(op->drive_gf, struct lsi_lun_s, drive);
- u16 target = GET_GLOBALFLAT(llun_gf->target);
- u16 lun = GET_GLOBALFLAT(llun_gf->lun);
- u8 cdbcmd[16];
- int blocksize = scsi_fill_cmd(op, cdbcmd, sizeof(cdbcmd));
- if (blocksize < 0)
- return default_process_op(op);
- u32 iobase = GET_GLOBALFLAT(llun_gf->iobase);
- u32 dma = ((scsi_is_read(op) ? 0x01000000 : 0x00000000) |
- (op->count * blocksize));
- u8 msgout[] = {
- 0x80 | lun, // select lun
- 0x08,
- };
- u8 status = 0xff;
- u8 msgin_tmp[2];
- u8 msgin = 0xff;
-
- u32 script[] = {
- /* select target, send scsi command */
- 0x40000000 | target << 16, // select target
- 0x00000000,
- 0x06000001, // msgout
- (u32)MAKE_FLATPTR(GET_SEG(SS), &msgout),
- 0x02000010, // scsi command
- (u32)MAKE_FLATPTR(GET_SEG(SS), cdbcmd),
-
- /* handle disconnect */
- 0x87820000, // phase == msgin ?
- 0x00000018,
- 0x07000002, // msgin
- (u32)MAKE_FLATPTR(GET_SEG(SS), &msgin_tmp),
- 0x50000000, // re-select
- 0x00000000,
- 0x07000002, // msgin
- (u32)MAKE_FLATPTR(GET_SEG(SS), &msgin_tmp),
-
- /* dma data, get status, raise irq */
- dma, // dma data
- (u32)op->buf_fl,
- 0x03000001, // status
- (u32)MAKE_FLATPTR(GET_SEG(SS), &status),
- 0x07000001, // msgin
- (u32)MAKE_FLATPTR(GET_SEG(SS), &msgin),
- 0x98080000, // dma irq
- 0x00000000,
- };
- u32 dsp = (u32)MAKE_FLATPTR(GET_SEG(SS), &script);
-
- outb(dsp & 0xff, iobase + LSI_REG_DSP0);
- outb((dsp >> 8) & 0xff, iobase + LSI_REG_DSP1);
- outb((dsp >> 16) & 0xff, iobase + LSI_REG_DSP2);
- outb((dsp >> 24) & 0xff, iobase + LSI_REG_DSP3);
-
- for (;;) {
- u8 dstat = inb(iobase + LSI_REG_DSTAT);
- u8 sist0 = inb(iobase + LSI_REG_SIST0);
- u8 sist1 = inb(iobase + LSI_REG_SIST1);
- if (sist0 || sist1) {
- goto fail;
- }
- if (dstat & 0x04) {
- break;
- }
- usleep(5);
- }
-
- if (msgin == 0 && status == 0) {
- return DISK_RET_SUCCESS;
- }
-
-fail:
- return DISK_RET_EBADTRACK;
-}
-
-static int
-lsi_scsi_add_lun(struct pci_device *pci, u32 iobase, u8 target, u8 lun)
-{
- struct lsi_lun_s *llun = malloc_fseg(sizeof(*llun));
- if (!llun) {
- warn_noalloc();
- return -1;
- }
- memset(llun, 0, sizeof(*llun));
- llun->drive.type = DTYPE_LSI_SCSI;
- llun->drive.cntl_id = pci->bdf;
- llun->pci = pci;
- llun->target = target;
- llun->lun = lun;
- llun->iobase = iobase;
-
- char *name = znprintf(16, "lsi %02x:%02x.%x %d:%d",
- pci_bdf_to_bus(pci->bdf), pci_bdf_to_dev(pci->bdf),
- pci_bdf_to_fn(pci->bdf), target, lun);
- int prio = bootprio_find_scsi_device(pci, target, lun);
- int ret = scsi_drive_setup(&llun->drive, name, prio);
- free(name);
- if (ret)
- goto fail;
- return 0;
-
-fail:
- free(llun);
- return -1;
-}
-
-static void
-lsi_scsi_scan_target(struct pci_device *pci, u32 iobase, u8 target)
-{
- /* TODO: send REPORT LUNS. For now, only LUN 0 is recognized. */
- lsi_scsi_add_lun(pci, iobase, target, 0);
-}
-
-static void
-init_lsi_scsi(struct pci_device *pci)
-{
- u16 bdf = pci->bdf;
- u32 iobase = pci_config_readl(pci->bdf, PCI_BASE_ADDRESS_0)
- & PCI_BASE_ADDRESS_IO_MASK;
-
- pci_config_maskw(bdf, PCI_COMMAND, 0, PCI_COMMAND_MASTER);
-
- dprintf(1, "found lsi53c895a at %02x:%02x.%x, io @ %x\n",
- pci_bdf_to_bus(bdf), pci_bdf_to_dev(bdf),
- pci_bdf_to_fn(bdf), iobase);
-
- // reset
- outb(LSI_ISTAT0_SRST, iobase + LSI_REG_ISTAT0);
-
- int i;
- for (i = 0; i < 7; i++)
- lsi_scsi_scan_target(pci, iobase, i);
-
- return;
-}
-
-void
-lsi_scsi_setup(void)
-{
- ASSERT32FLAT();
- if (!CONFIG_LSI_SCSI || !runningOnQEMU())
- return;
-
- dprintf(3, "init lsi53c895a\n");
-
- struct pci_device *pci;
- foreachpci(pci) {
- if (pci->vendor != PCI_VENDOR_ID_LSI_LOGIC
- || pci->device != PCI_DEVICE_ID_LSI_53C895A)
- continue;
- init_lsi_scsi(pci);
- }
-}