#include <dm.h>
#include <usb.h>
#include <mmc.h>
+#include <nvme.h>
#include <efi_loader.h>
#include <part.h>
+#include <sandboxblockdev.h>
+#include <asm-generic/unaligned.h>
+#include <linux/compat.h> /* U16_MAX */
+
+#ifdef CONFIG_SANDBOX
+const efi_guid_t efi_guid_host_dev = U_BOOT_HOST_DEV_GUID;
+#endif
/* template END node: */
static const struct efi_device_path END = {
/* size of device-path not including END node for device and all parents
* up to the root device.
*/
-static unsigned dp_size(struct udevice *dev)
+__maybe_unused static unsigned int dp_size(struct udevice *dev)
{
if (!dev || !dev->driver)
return sizeof(ROOT);
case UCLASS_MMC:
return dp_size(dev->parent) +
sizeof(struct efi_device_path_sd_mmc_path);
+#endif
+#if defined(CONFIG_NVME)
+ case UCLASS_NVME:
+ return dp_size(dev->parent) +
+ sizeof(struct efi_device_path_nvme);
+#endif
+#ifdef CONFIG_SANDBOX
+ case UCLASS_ROOT:
+ /*
+ * Sandbox's host device will be represented
+ * as vendor device with extra one byte for
+ * device number
+ */
+ return dp_size(dev->parent)
+ + sizeof(struct efi_device_path_vendor) + 1;
#endif
default:
return dp_size(dev->parent);
* @dev device
* @return pointer to the end of the device path
*/
-static void *dp_fill(void *buf, struct udevice *dev)
+__maybe_unused static void *dp_fill(void *buf, struct udevice *dev)
{
if (!dev || !dev->driver)
return buf;
#ifdef CONFIG_BLK
case UCLASS_BLK:
switch (dev->parent->uclass->uc_drv->id) {
+#ifdef CONFIG_SANDBOX
+ case UCLASS_ROOT: {
+ /* stop traversing parents at this point: */
+ struct efi_device_path_vendor *dp;
+ struct blk_desc *desc = dev_get_uclass_platdata(dev);
+
+ dp_fill(buf, dev->parent);
+ dp = buf;
+ ++dp;
+ dp->dp.type = DEVICE_PATH_TYPE_HARDWARE_DEVICE;
+ dp->dp.sub_type = DEVICE_PATH_SUB_TYPE_VENDOR;
+ dp->dp.length = sizeof(*dp) + 1;
+ memcpy(&dp->guid, &efi_guid_host_dev,
+ sizeof(efi_guid_t));
+ dp->vendor_data[0] = desc->devnum;
+ return &dp->vendor_data[1];
+ }
+#endif
#ifdef CONFIG_IDE
case UCLASS_IDE: {
struct efi_device_path_atapi *dp =
sddp->slot_number = dev->seq;
return &sddp[1];
}
+#endif
+#if defined(CONFIG_NVME)
+ case UCLASS_NVME: {
+ struct efi_device_path_nvme *dp =
+ dp_fill(buf, dev->parent);
+ u32 ns_id;
+
+ dp->dp.type = DEVICE_PATH_TYPE_MESSAGING_DEVICE;
+ dp->dp.sub_type = DEVICE_PATH_SUB_TYPE_MSG_NVME;
+ dp->dp.length = sizeof(*dp);
+ nvme_get_namespace_id(dev, &ns_id, dp->eui64);
+ memcpy(&dp->ns_id, &ns_id, sizeof(ns_id));
+ return &dp[1];
+ }
#endif
default:
debug("%s(%u) %s: unhandled parent class: %s (%u)\n",
return dp_fill(buf, dev->parent);
}
}
-
-/* Construct a device-path from a device: */
-struct efi_device_path *efi_dp_from_dev(struct udevice *dev)
-{
- void *buf, *start;
-
- start = buf = dp_alloc(dp_size(dev) + sizeof(END));
- if (!buf)
- return NULL;
- buf = dp_fill(buf, dev);
- *((struct efi_device_path *)buf) = END;
-
- return start;
-}
#endif
static unsigned dp_part_size(struct blk_desc *desc, int part)
cddp->dp.sub_type = DEVICE_PATH_SUB_TYPE_CDROM_PATH;
cddp->dp.length = sizeof(*cddp);
cddp->partition_start = info.start;
- cddp->partition_end = info.size;
+ cddp->partition_size = info.size;
buf = &cddp[1];
} else {
return buf;
}
-/* convert path to an UEFI style path (i.e. DOS style backslashes and UTF-16) */
-static void path_to_uefi(u16 *uefi, const char *path)
+/**
+ * path_to_uefi() - convert UTF-8 path to an UEFI style path
+ *
+ * Convert UTF-8 path to a UEFI style path (i.e. with backslashes as path
+ * separators and UTF-16).
+ *
+ * @src: source buffer
+ * @uefi: target buffer, possibly unaligned
+ */
+static void path_to_uefi(void *uefi, const char *src)
{
- while (*path) {
- char c = *(path++);
- if (c == '/')
- c = '\\';
- *(uefi++) = c;
+ u16 *pos = uefi;
+
+ /*
+ * efi_set_bootdev() calls this routine indirectly before the UEFI
+ * subsystem is initialized. So we cannot assume unaligned access to be
+ * enabled.
+ */
+ allow_unaligned();
+
+ while (*src) {
+ s32 code = utf8_get(&src);
+
+ if (code < 0)
+ code = '?';
+ else if (code == '/')
+ code = '\\';
+ utf16_put(code, &pos);
}
- *uefi = '\0';
+ *pos = 0;
}
/*
{
struct efi_device_path_file_path *fp;
void *buf, *start;
- unsigned dpsize = 0, fpsize;
+ size_t dpsize = 0, fpsize;
if (desc)
dpsize = dp_part_size(desc, part);
- fpsize = sizeof(struct efi_device_path) + 2 * (strlen(path) + 1);
+ fpsize = sizeof(struct efi_device_path) +
+ 2 * (utf8_utf16_strlen(path) + 1);
+ if (fpsize > U16_MAX)
+ return NULL;
+
dpsize += fpsize;
start = buf = dp_alloc(dpsize + sizeof(END));
fp = buf;
fp->dp.type = DEVICE_PATH_TYPE_MEDIA_DEVICE;
fp->dp.sub_type = DEVICE_PATH_SUB_TYPE_FILE_PATH;
- fp->dp.length = fpsize;
+ fp->dp.length = (u16)fpsize;
path_to_uefi(fp->str, path);
buf += fpsize;
return EFI_SUCCESS;
}
+/**
+ * efi_dp_from_name() - convert U-Boot device and file path to device path
+ *
+ * @dev: U-Boot device, e.g. 'mmc'
+ * @devnr: U-Boot device number, e.g. 1 for 'mmc:1'
+ * @path: file path relative to U-Boot device, may be NULL
+ * @device: pointer to receive device path of the device
+ * @file: pointer to receive device path for the file
+ * Return: status code
+ */
efi_status_t efi_dp_from_name(const char *dev, const char *devnr,
const char *path,
struct efi_device_path **device,
s = filename;
while ((s = strchr(s, '/')))
*s++ = '\\';
- *file = efi_dp_from_file(((!is_net && device) ? desc : NULL),
- part, filename);
+ *file = efi_dp_from_file(is_net ? NULL : desc, part, filename);
+
+ if (!*file)
+ return EFI_INVALID_PARAMETER;
return EFI_SUCCESS;
}
projects / oweals / u-boot.git / blobdiff