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87 lines
3.2 KiB
Diff
87 lines
3.2 KiB
Diff
From f02037afe363f31218b4e0c63ef3a1176f51c232 Mon Sep 17 00:00:00 2001
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From: Eric Snowberg <eric.snowberg@oracle.com>
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Date: Mon, 26 Feb 2018 17:34:16 -0800
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Subject: [PATCH] ieee1275: set-address bus specific method
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IEEE 1275-1994 Standard for Boot (Initialization Configuration)
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Firmware: Core Requirements and Practices
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E.3.2.2 Bus-specific methods for bus nodes
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A package implementing the scsi-2 device type shall implement the
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following bus-specific method:
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set-address ( unit# target# -- )
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Sets the SCSI target number (0x0..0xf) and unit number (0..7) to which
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subsequent commands apply.
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This function is for devices with #address-cells == 2
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Signed-off-by: Eric Snowberg <eric.snowberg@oracle.com>
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Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
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---
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grub-core/kern/ieee1275/ieee1275.c | 40 ++++++++++++++++++++++++++++++++++++++
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include/grub/ieee1275/ieee1275.h | 3 +++
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2 files changed, 43 insertions(+)
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diff --git a/grub-core/kern/ieee1275/ieee1275.c b/grub-core/kern/ieee1275/ieee1275.c
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index 41503ead090..497f170fb6b 100644
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--- a/grub-core/kern/ieee1275/ieee1275.c
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+++ b/grub-core/kern/ieee1275/ieee1275.c
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@@ -693,3 +693,43 @@ grub_ieee1275_milliseconds (grub_uint32_t *msecs)
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*msecs = args.msecs;
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return 0;
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}
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+
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+int
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+grub_ieee1275_set_address (grub_ieee1275_ihandle_t ihandle,
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+ grub_uint32_t target, grub_uint32_t lun)
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+{
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+ struct set_address
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+ {
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+ struct grub_ieee1275_common_hdr common;
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+ grub_ieee1275_cell_t method;
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+ grub_ieee1275_cell_t ihandle;
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+ grub_ieee1275_cell_t tgt;
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+ grub_ieee1275_cell_t lun;
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+ grub_ieee1275_cell_t catch_result;
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+ }
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+ args;
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+
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+ INIT_IEEE1275_COMMON (&args.common, "call-method", 4, 1);
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+
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+ /*
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+ * IEEE 1275-1994 Standard for Boot (Initialization Configuration)
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+ * Firmware: Core Requirements and Practices
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+ * E.3.2.2 Bus-specific methods for bus nodes
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+ *
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+ * A package implementing the scsi-2 device type shall implement the
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+ * following bus-specific method:
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+ *
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+ * set-address ( unit# target# -- )
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+ * Sets the SCSI target number (0x0..0xf) and unit number (0..7) to which
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+ * subsequent commands apply.
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+ */
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+ args.method = (grub_ieee1275_cell_t) "set-address";
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+ args.ihandle = ihandle;
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+ args.tgt = target;
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+ args.lun = lun;
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+
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+ if (IEEE1275_CALL_ENTRY_FN (&args) == -1)
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+ return -1;
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+
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+ return args.catch_result;
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+}
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diff --git a/include/grub/ieee1275/ieee1275.h b/include/grub/ieee1275/ieee1275.h
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index c93a97e695e..55e920e816f 100644
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--- a/include/grub/ieee1275/ieee1275.h
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+++ b/include/grub/ieee1275/ieee1275.h
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@@ -210,6 +210,9 @@ int EXPORT_FUNC(grub_ieee1275_set_property) (grub_ieee1275_phandle_t phandle,
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int EXPORT_FUNC(grub_ieee1275_set_color) (grub_ieee1275_ihandle_t ihandle,
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int index, int r, int g, int b);
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int EXPORT_FUNC(grub_ieee1275_milliseconds) (grub_uint32_t *msecs);
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+int EXPORT_FUNC(grub_ieee1275_set_address) (grub_ieee1275_ihandle_t ihandle,
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+ grub_uint32_t target,
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+ grub_uint32_t lun);
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int EXPORT_FUNC(grub_ieee1275_decode_unit4) (grub_ieee1275_ihandle_t ihandle,
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void *addr, grub_size_t size,
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grub_uint32_t *phy_lo,
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