BugLink: http://bugs.launchpad.net/bugs/1718293
Move the GET_FIELD and SET_FIELD macros to vas.h as VAS and other
users of VAS, including NX-842 can use those macros.
There is a lot of related code between the VAS/NX kernel drivers
and skiboot. For consistency, switch the order of parameters in
SET_FIELD to match the order in skiboot.
Signed-off-by: Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com>
Reviewed-by: Dan Streetman <ddstreet@ieee.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
(cherry picked from commit
b6622a339e8670a1025d4dd84be473c76dabed33)
Signed-off-by: Gustavo Walbon <gwalbon@linux.vnet.ibm.com>
Signed-off-by: Seth Forshee <seth.forshee@canonical.com>
#define VAS_THRESH_FIFO_GT_QTR_FULL 2
#define VAS_THRESH_FIFO_GT_EIGHTH_FULL 3
+/*
+ * Get/Set bit fields
+ */
+#define GET_FIELD(m, v) (((v) & (m)) >> MASK_LSH(m))
+#define MASK_LSH(m) (__builtin_ffsl(m) - 1)
+#define SET_FIELD(m, v, val) \
+ (((v) & ~(m)) | ((((typeof(v))(val)) << MASK_LSH(m)) & (m)))
+
/*
* Co-processor Engine type.
*/
#include <asm/prom.h>
#include <asm/icswx.h>
+#include <asm/vas.h>
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Dan Streetman <ddstreet@ieee.org>");
/* set up CCW */
ccw = 0;
- ccw = SET_FIELD(ccw, CCW_CT, nx842_ct);
- ccw = SET_FIELD(ccw, CCW_CI_842, 0); /* use 0 for hw auto-selection */
- ccw = SET_FIELD(ccw, CCW_FC_842, fc);
+ ccw = SET_FIELD(CCW_CT, ccw, nx842_ct);
+ ccw = SET_FIELD(CCW_CI_842, ccw, 0); /* use 0 for hw auto-selection */
+ ccw = SET_FIELD(CCW_FC_842, ccw, fc);
/* set up CRB's CSB addr */
csb_addr = nx842_get_pa(csb) & CRB_CSB_ADDRESS;
return page_to_phys(vmalloc_to_page(addr)) + offset_in_page(addr);
}
-/* Get/Set bit fields */
-#define MASK_LSH(m) (__builtin_ffsl(m) - 1)
-#define GET_FIELD(v, m) (((v) & (m)) >> MASK_LSH(m))
-#define SET_FIELD(v, m, val) (((v) & ~(m)) | (((val) << MASK_LSH(m)) & (m)))
-
/**
* This provides the driver's constraints. Different nx842 implementations
* may have varying requirements. The constraints are: