pci-assign: Remove

Legacy PCI device assignment has been removed from Linux in 4.12,
and had been deprecated 2 years ago there.  We can remove it from
QEMU as well.

The ROM loading code was shared with Xen PCI passthrough, so move
it to hw/xen.

Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

1 files changed, 0 insertions, 88 deletions

diff --git a/hw/i386/pci-assign-load-rom.c b/hw/i386/pci-assign-load-rom.c
deleted file mode 100644
index 43429b66be..0000000000
--- a/hw/i386/pci-assign-load-rom.c
+++ /dev/null
@@ -1,88 +0,0 @@
-/*
- * This is splited from hw/i386/kvm/pci-assign.c
- */
-#include "qemu/osdep.h"
-#include "qapi/error.h"
-#include "hw/hw.h"
-#include "hw/i386/pc.h"
-#include "qemu/error-report.h"
-#include "ui/console.h"
-#include "hw/loader.h"
-#include "monitor/monitor.h"
-#include "qemu/range.h"
-#include "sysemu/sysemu.h"
-#include "hw/pci/pci.h"
-#include "hw/pci/pci-assign.h"
-
-/*
- * Scan the assigned devices for the devices that have an option ROM, and then
- * load the corresponding ROM data to RAM. If an error occurs while loading an
- * option ROM, we just ignore that option ROM and continue with the next one.
- */
-void *pci_assign_dev_load_option_rom(PCIDevice *dev, struct Object *owner,
-                                     int *size, unsigned int domain,
-                                     unsigned int bus, unsigned int slot,
-                                     unsigned int function)
-{
-    char name[32], rom_file[64];
-    FILE *fp;
-    uint8_t val;
-    struct stat st;
-    void *ptr = NULL;
-
-    /* If loading ROM from file, pci handles it */
-    if (dev->romfile || !dev->rom_bar) {
-        return NULL;
-    }
-
-    snprintf(rom_file, sizeof(rom_file),
-             "/sys/bus/pci/devices/%04x:%02x:%02x.%01x/rom",
-             domain, bus, slot, function);
-
-    /* Write "1" to the ROM file to enable it */
-    fp = fopen(rom_file, "r+");
-    if (fp == NULL) {
-        if (errno != ENOENT) {
-            error_report("pci-assign: Cannot open %s: %s", rom_file, strerror(errno));
-        }
-        return NULL;
-    }
-    if (fstat(fileno(fp), &st) == -1) {
-        error_report("pci-assign: Cannot stat %s: %s", rom_file, strerror(errno));
-        goto close_rom;
-    }
-
-    val = 1;
-    if (fwrite(&val, 1, 1, fp) != 1) {
-        goto close_rom;
-    }
-    fseek(fp, 0, SEEK_SET);
-
-    snprintf(name, sizeof(name), "%s.rom", object_get_typename(owner));
-    memory_region_init_ram_nomigrate(&dev->rom, owner, name, st.st_size, &error_abort);
-    vmstate_register_ram(&dev->rom, &dev->qdev);
-    ptr = memory_region_get_ram_ptr(&dev->rom);
-    memset(ptr, 0xff, st.st_size);
-
-    if (!fread(ptr, 1, st.st_size, fp)) {
-        error_report("pci-assign: Cannot read from host %s", rom_file);
-        error_printf("Device option ROM contents are probably invalid "
-                     "(check dmesg).\nSkip option ROM probe with rombar=0, "
-                     "or load from file with romfile=\n");
-        goto close_rom;
-    }
-
-    pci_register_bar(dev, PCI_ROM_SLOT, 0, &dev->rom);
-    dev->has_rom = true;
-    *size = st.st_size;
-close_rom:
-    /* Write "0" to disable ROM */
-    fseek(fp, 0, SEEK_SET);
-    val = 0;
-    if (!fwrite(&val, 1, 1, fp)) {
-        DEBUG("%s\n", "Failed to disable pci-sysfs rom file");
-    }
-    fclose(fp);
-
-    return ptr;
-}