net/qede/base: add attention formatting string

[dpdk.git] / drivers / net / qede / base / bcm_osal.c

diff --git a/drivers/net/qede/base/bcm_osal.c b/drivers/net/qede/base/bcm_osal.c
index 67270fd..d53dfee 100644 (file)
--- a/drivers/net/qede/base/bcm_osal.c
+++ b/drivers/net/qede/base/bcm_osal.c
@@ -65,6 +65,27 @@ inline bool qede_test_bit(u32 nr, unsigned long *addr)
        return res;
 }
 
+static inline u32 qede_ffb(unsigned long word)
+{
+       unsigned long first_bit;
+
+       first_bit = __builtin_ffsl(word);
+       return first_bit ? (first_bit - 1) : OSAL_BITS_PER_UL;
+}
+
+inline u32 qede_find_first_bit(unsigned long *addr, u32 limit)
+{
+       u32 i;
+       u32 nwords = 0;
+       OSAL_BUILD_BUG_ON(!limit);
+       nwords = (limit - 1) / OSAL_BITS_PER_UL + 1;
+       for (i = 0; i < nwords; i++)
+               if (addr[i] != 0)
+                       break;
+
+       return (i == nwords) ? limit : i * OSAL_BITS_PER_UL + qede_ffb(addr[i]);
+}
+
 static inline u32 qede_ffz(unsigned long word)
 {
        unsigned long first_zero;