x86/resctrl: Move the filesystem bits to headers visible to fs/resctrl

Once the filesystem parts of resctrl move to fs/resctrl, it cannot rely
on definitions in x86's internal.h.

Move definitions in internal.h that need to be shared between the
filesystem and architecture code to header files that fs/resctrl can
include.

Doing this separately means the filesystem code only moves between files
of the same name, instead of having these changes mixed in too.

Co-developed-by: Dave Martin <[e-mail]>
Signed-off-by: Dave Martin <[e-mail]>
Signed-off-by: James Morse <[e-mail]>
Signed-off-by: Borislav Petkov (AMD) <[e-mail]>
Reviewed-by: Shaopeng Tan <[e-mail]>
Reviewed-by: Tony Luck <[e-mail]>
Reviewed-by: Fenghua Yu <[e-mail]>
Reviewed-by: Reinette Chatre <[e-mail]>
Tested-by: Fenghua Yu <[e-mail]>
Tested-by: Carl Worth <[e-mail]> # arm64
Tested-by: Shaopeng Tan <[e-mail]>
Tested-by: Peter Newman <[e-mail]>
Tested-by: Amit Singh Tomar <[e-mail]> # arm64
Tested-by: Shanker Donthineni <[e-mail]> # arm64
Tested-by: Babu Moger <[e-mail]>
Tested-by: Tony Luck <[e-mail]>
Link: https://lore.kernel.org/[e-mail]

arch/x86/kernel/cpu/resctrl/internal.h

···
 #define CQM_LIMBOCHECK_INTERVAL	1000
 
 #define MBM_CNTR_WIDTH_BASE		24
-#define MBM_OVERFLOW_INTERVAL		1000
-#define MAX_MBA_BW			100u
 #define MBA_IS_LINEAR			0x4
 #define MBM_CNTR_WIDTH_OFFSET_AMD	20
 
···
 extern struct rdtgroup rdtgroup_default;
 extern struct dentry *debugfs_resctrl;
 extern enum resctrl_event_id mba_mbps_default_event;
-
-static inline bool resctrl_arch_get_cdp_enabled(enum resctrl_res_level l)
-{
-	return rdt_resources_all[l].cdp_enabled;
-}
-
-int resctrl_arch_set_cdp_enabled(enum resctrl_res_level l, bool enable);
 
 void arch_mon_domain_online(struct rdt_resource *r, struct rdt_mon_domain *d);
 

arch/x86/kernel/cpu/resctrl/rdtgroup.c

···
 	return 0;
 }
 
+bool resctrl_arch_get_cdp_enabled(enum resctrl_res_level l)
+{
+	return rdt_resources_all[l].cdp_enabled;
+}
+
 /*
  * We don't allow rdtgroup directories to be created anywhere
  * except the root directory. Thus when looking for the rdtgroup

include/linux/resctrl.h

···
 	}
 }
 
+bool resctrl_arch_get_cdp_enabled(enum resctrl_res_level l);
+int resctrl_arch_set_cdp_enabled(enum resctrl_res_level l, bool enable);
+
 /*
  * Update the ctrl_val and apply this config right now.
  * Must be called on one of the domain's CPUs.

include/linux/resctrl_types.h

···
 #ifndef __LINUX_RESCTRL_TYPES_H
 #define __LINUX_RESCTRL_TYPES_H
 
+#define MAX_MBA_BW			100u
+#define MBM_OVERFLOW_INTERVAL		1000
+
 /* Reads to Local DRAM Memory */
 #define READS_TO_LOCAL_MEM		BIT(0)