intel/perf: use common ioctl wrapper

There were multiple ioctl-wrapper functions, so a common
implementation was put in gen_gem.h.   With a common implementation,
perf no longer needs the caller to configure one for it.

Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>

src/intel/perf/gen_perf.c

@@ -31,6 +31,7 @@
 
 #include <drm-uapi/i915_drm.h>
 
+#include "common/gen_gem.h"
 #include "gen_perf.h"
 #include "perf/gen_perf_metrics.h"
 
@@ -214,7 +215,7 @@ kernel_has_dynamic_config_support(struct gen_perf_config *perf, int fd)
 {
    uint64_t invalid_config_id = UINT64_MAX;
 
-   return perf->ioctl(fd, DRM_IOCTL_I915_PERF_REMOVE_CONFIG,
+   return gen_ioctl(fd, DRM_IOCTL_I915_PERF_REMOVE_CONFIG,
                     &invalid_config_id) < 0 && errno == ENOENT;
 }
 
@@ -259,7 +260,7 @@ init_oa_configs(struct gen_perf_config *perf, int fd)
       config.n_flex_regs = query->n_flex_regs;
       config.flex_regs_ptr = (uintptr_t) query->flex_regs;
 
-      ret = perf->ioctl(fd, DRM_IOCTL_I915_PERF_ADD_CONFIG, &config);
+      ret = gen_ioctl(fd, DRM_IOCTL_I915_PERF_ADD_CONFIG, &config);
       if (ret < 0) {
          DBG("Failed to load \"%s\" (%s) metrics set in kernel: %s\n",
              query->name, query->guid, strerror(errno));

src/intel/perf/gen_perf.h

@@ -188,8 +188,6 @@ struct gen_perf_config {
 
    /* Location of the device's sysfs entry. */
    char sysfs_dev_dir[256];
-
-   int (*ioctl)(int, unsigned long, void *);
 };
 
 static inline size_t
@@ -264,12 +262,9 @@ gen_perf_query_info_add_basic_stat_reg(struct gen_perf_query_info *query,
 }
 
 static inline struct gen_perf_config *
-gen_perf_new(void *ctx, int (*ioctl_cb)(int, unsigned long, void *))
+gen_perf_new(void *ctx)
 {
    struct gen_perf_config *perf = rzalloc(ctx, struct gen_perf_config);
-
-   perf->ioctl = ioctl_cb;
-
    return perf;
 }
 

src/mesa/drivers/dri/i965/brw_performance_query.c

@@ -1733,7 +1733,7 @@ brw_init_perf_query_info(struct gl_context *ctx)
    if (brw->perfquery.perf)
       return brw->perfquery.perf->n_queries;
 
-   brw->perfquery.perf = gen_perf_new(brw, drmIoctl);
+   brw->perfquery.perf = gen_perf_new(brw);
 
    init_pipeline_statistic_query_registers(brw);
    brw_perf_query_register_mdapi_statistic_query(brw);