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871f9f599d
Add the expr_scanner_ctx object to hold user data for the expr scanner. Currently it holds only start_token, Kajol Jain will use it to hold 24x7 runtime param. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Anju T Sudhakar <anju@linux.vnet.ibm.com> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Jin Yao <yao.jin@linux.intel.com> Cc: Joe Mario <jmario@redhat.com> Cc: Kajol Jain <kjain@linux.ibm.com> Cc: Kan Liang <kan.liang@linux.intel.com> Cc: Madhavan Srinivasan <maddy@linux.vnet.ibm.com> Cc: Mamatha Inamdar <mamatha4@linux.vnet.ibm.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Michael Petlan <mpetlan@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@ozlabs.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Ravi Bangoria <ravi.bangoria@linux.ibm.com> Cc: Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: linuxppc-dev@lists.ozlabs.org Link: http://lore.kernel.org/lkml/20200401203340.31402-3-kjain@linux.ibm.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
29 lines
645 B
C
29 lines
645 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef PARSE_CTX_H
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#define PARSE_CTX_H 1
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#define EXPR_MAX_OTHER 20
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#define MAX_PARSE_ID EXPR_MAX_OTHER
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struct expr_parse_id {
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const char *name;
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double val;
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};
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struct expr_parse_ctx {
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int num_ids;
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struct expr_parse_id ids[MAX_PARSE_ID];
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};
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struct expr_scanner_ctx {
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int start_token;
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};
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void expr__ctx_init(struct expr_parse_ctx *ctx);
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void expr__add_id(struct expr_parse_ctx *ctx, const char *id, double val);
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int expr__parse(double *final_val, struct expr_parse_ctx *ctx, const char *expr);
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int expr__find_other(const char *expr, const char *one, const char ***other,
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int *num_other);
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#endif
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