6 #define pr_fmt(fmt) "vas: " fmt
21 #include <asm/vas.h>
22 #include "vas.h"
51  * Allocate VAS window hcall
86  * Deallocate VAS window hcall.
107  * Modify VAS window.
116 	 * AMR value is not supported in Linux VAS implementation.  in h_modify_vas_window()
142  *		Example: H_QUERY_VAS_CAPABILITIES provides VAS GZIP QoS
143  *			and VAS GZIP Default capabilities.
157 	/* H_FUNCTION means HV does not support VAS so don't print an error */  in h_query_vas_capabilities()
220  * it after. But this disabling interrupt sets the VAS IRQ OFF
223  * interrupt to the LPAR. So use VAS specific IRQ handler instead
262 	txwin->name = kasprintf(GFP_KERNEL, "vas-win-%d",  in allocate_setup_window()
274 		pr_err("VAS-Window[%d]: Request IRQ(%u) failed with %d\n",  in allocate_setup_window()
312 	 * A VAS window can have many credits which means that many  in vas_allocate_window()
352 		 * a VAS instance where the process is executing.  in vas_allocate_window()
354 		 * to select VAS instance. Useful if the process is  in vas_allocate_window()
356 		 * The hypervisor selects VAS instance if  in vas_allocate_window()
375 	 * Open VAS window: Allocate window hcall and setup IRQ  in vas_allocate_window()
376 	 * Close VAS window: Deallocate window hcall and free IRQ  in vas_allocate_window()
512 	 * VAS window is already closed in the hypervisor when  in vas_deallocate_window()
624  * VAS windows can be closed due to lost credits when the core is
648 	 * assigned to the LPAR and the kernel closes VAS windows  in reconfig_open_windows()
656 	 * 20 entries in the VAS windows lost and reopen next 20 windows.  in reconfig_open_windows()
770 		 * VAS mmap (coproc_mmap()) and its fault handler  in reconfig_close_windows()
795 		 * Close VAS window in the hypervisor, but do not  in reconfig_close_windows()
827  * Get new VAS capabilities when the core add/removal configuration
902 		pr_err("Failed reconfig VAS capabilities with DLPAR\n");  in pseries_vas_dlpar_cpu()
912  * operation so that get the new target_credits (vas default capabilities)
925 	 * based on entitled core capacity. So updating VAS windows will  in pseries_vas_notifier()
961 	pr_info("VAS migration event %d\n", action);  in vas_migration_handler()
999 			pr_err("state(%d): Get VAS capabilities failed with %d\n",  in vas_migration_handler()
1005 			 * opening windows (during resume) if VAS capabilities  in vas_migration_handler()
1050 	pr_info("VAS migration event (%d) successful\n", action);  in vas_migration_handler()
1074 	 * Get VAS overall capabilities by passing 0 to feature type.  in pseries_vas_init()