add boot partition size

hc

2023-12-11 d2ccde1c8e90d38cee87a1b0309ad2827f3fd30d

 kernel/drivers/s390/cio/vfio_ccw_cp.h
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@@ -15,12 +15,20 @@
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 #include <asm/scsw.h>
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 #include "orb.h"
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+#include "vfio_ccw_trace.h"
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+
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+/*
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+ * Max length for ccw chain.
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+ * XXX: Limit to 256, need to check more?
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+ */
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+#define CCWCHAIN_LEN_MAX	256
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 /**
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  * struct channel_program - manage information for channel program
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  * @ccwchain_list: list head of ccwchains
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  * @orb: orb for the currently processed ssch request
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  * @mdev: the mediated device to perform page pinning/unpinning
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+ * @initialized: whether this instance is actually initialized
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  *
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  * @ccwchain_list is the head of a ccwchain list, that contents the
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  * translated result of the guest channel program that pointed out by
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@@ -30,6 +38,8 @@
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 	struct list_head ccwchain_list;
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 	union orb orb;
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 	struct device *mdev;
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+	bool initialized;
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+	struct ccw1 *guest_cp;
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 };
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 extern int cp_init(struct channel_program *cp, struct device *mdev,