net/ice/base: preserve NVM capabilities in safe mode

[dpdk.git] / drivers / net / ice / base / ice_bitops.h

diff --git a/drivers/net/ice/base/ice_bitops.h b/drivers/net/ice/base/ice_bitops.h
index 8352b5d..f954a74 100644 (file)
--- a/drivers/net/ice/base/ice_bitops.h
+++ b/drivers/net/ice/base/ice_bitops.h
@@ -346,6 +346,11 @@ static inline u16 ice_find_first_bit(const ice_bitmap_t *bitmap, u16 size)
        return ice_find_next_bit(bitmap, size, 0);
 }
 
+#define ice_for_each_set_bit(_bitpos, _addr, _maxlen)  \
+       for ((_bitpos) = ice_find_first_bit((_addr), (_maxlen)); \
+            (_bitpos) < (_maxlen); \
+            (_bitpos) = ice_find_next_bit((_addr), (_maxlen), (_bitpos) + 1))
+
 /**
  * ice_is_any_bit_set - Return true of any bit in the bitmap is set
  * @bitmap: the bitmap to check
@@ -394,6 +399,29 @@ ice_bitmap_set(ice_bitmap_t *dst, u16 pos, u16 num_bits)
                ice_set_bit(i, dst);
 }
 
+/**
+ * ice_bitmap_hweight - hamming weight of bitmap
+ * @bm: bitmap pointer
+ * @size: size of bitmap (in bits)
+ *
+ * This function determines the number of set bits in a bitmap.
+ * Note that this function assumes it is operating on a bitmap declared using
+ * ice_declare_bitmap.
+ */
+static inline int
+ice_bitmap_hweight(ice_bitmap_t *bm, u16 size)
+{
+       int count = 0;
+       u16 bit = 0;
+
+       while (size > (bit = ice_find_next_bit(bm, size, bit))) {
+               count++;
+               bit++;
+       }
+
+       return count;
+}
+
 /**
  * ice_cmp_bitmaps - compares two bitmaps.
  * @bmp1: the bitmap to compare