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efi: device path for nvme

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This allows our EFI API to create a device path node for NVMe
devices.  It adds the necessary device path struct, uses the
nvme namespace accessor to retrieve the id and eui64, and also
provides support for the device path text protocol.

Signed-off-by: Patrick Wildt <patrick@blueri.se>
Tested-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Reviewed-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
This commit is contained in:
Patrick Wildt
2019-10-03 16:24:17 +02:00
committed by Heinrich Schuchardt
parent c50b2883df
commit f2d247df50
3 changed files with 42 additions and 0 deletions
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15
lib/efi_loader/efi_device_path_to_text.c
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@@ -148,6 +148,21 @@ static char *dp_msging(char *s, struct efi_device_path *dp)
break;
}
case DEVICE_PATH_SUB_TYPE_MSG_NVME: {
struct efi_device_path_nvme *ndp =
(struct efi_device_path_nvme *)dp;
u32 ns_id;
int i;
memcpy(&ns_id, &ndp->ns_id, sizeof(ns_id));
s += sprintf(s, "NVMe(0x%x,", ns_id);
for (i = 0; i < sizeof(ndp->eui64); ++i)
s += sprintf(s, "%s%02x", i ? "-" : "",
ndp->eui64[i]);
s += sprintf(s, ")");
break;
}
case DEVICE_PATH_SUB_TYPE_MSG_SD:
case DEVICE_PATH_SUB_TYPE_MSG_MMC: {
const char *typename =