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| author | Michael Brown | 2020-10-22 15:01:27 +0200 |
|---|---|---|
| committer | Michael Brown | 2020-10-22 15:16:55 +0200 |
| commit | bf051a76eef07bb4bd04ad4ff2b8b5e23ef26740 (patch) | |
| tree | 0b479c39ade7f5f34e9be868a0c229a788dc48b0 /src/interface/efi/efi_path.c | |
| parent | [iscsi] Allow iSCSI device to be described using an EFI device path (diff) | |
| download | ipxe-bf051a76eef07bb4bd04ad4ff2b8b5e23ef26740.tar.gz ipxe-bf051a76eef07bb4bd04ad4ff2b8b5e23ef26740.tar.xz ipxe-bf051a76eef07bb4bd04ad4ff2b8b5e23ef26740.zip | |
[fcp] Allow Fibre Channel device to be described using an EFI device path
Signed-off-by: Michael Brown <mcb30@ipxe.org>
Diffstat (limited to 'src/interface/efi/efi_path.c')
| -rw-r--r-- | src/interface/efi/efi_path.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/src/interface/efi/efi_path.c b/src/interface/efi/efi_path.c index 3c14a2ee..76b1e4da 100644 --- a/src/interface/efi/efi_path.c +++ b/src/interface/efi/efi_path.c @@ -27,6 +27,7 @@ #include <ipxe/uri.h> #include <ipxe/iscsi.h> #include <ipxe/aoe.h> +#include <ipxe/fcp.h> #include <ipxe/usb.h> #include <ipxe/efi/efi.h> #include <ipxe/efi/efi_driver.h> @@ -338,6 +339,36 @@ EFI_DEVICE_PATH_PROTOCOL * efi_aoe_path ( struct aoe_device *aoedev ) { } /** + * Construct EFI device path for Fibre Channel device + * + * @v desc FCP device description + * @ret path EFI device path, or NULL on error + */ +EFI_DEVICE_PATH_PROTOCOL * efi_fcp_path ( struct fcp_description *desc ) { + struct { + FIBRECHANNELEX_DEVICE_PATH fc; + EFI_DEVICE_PATH_PROTOCOL end; + } __attribute__ (( packed )) *path; + + /* Allocate device path */ + path = zalloc ( sizeof ( *path ) ); + if ( ! path ) + return NULL; + + /* Construct device path */ + path->fc.Header.Type = MESSAGING_DEVICE_PATH; + path->fc.Header.SubType = MSG_FIBRECHANNELEX_DP; + path->fc.Header.Length[0] = sizeof ( path->fc ); + memcpy ( path->fc.WWN, &desc->wwn, sizeof ( path->fc.WWN ) ); + memcpy ( path->fc.Lun, &desc->lun, sizeof ( path->fc.Lun ) ); + path->end.Type = END_DEVICE_PATH_TYPE; + path->end.SubType = END_ENTIRE_DEVICE_PATH_SUBTYPE; + path->end.Length[0] = sizeof ( path->end ); + + return &path->fc.Header; +} + +/** * Construct EFI device path for USB function * * @v func USB function |