#ifndef _ASM_GENERIC_BITOPS___FLS_H_
#define _ASM_GENERIC_BITOPS___FLS_H_

#include <asm/types.h>

/**
 * __fls - find last (most-significant) set bit in a long word
 * @word: the word to search
 *
 * Undefined if no set bit exists, so code should check against 0 first.
 */
static __always_inline unsigned long __fls(unsigned long word)
{
	int num = BITS_PER_LONG - 1;

#if BITS_PER_LONG == 64
	if (!(word & (~0ul << 32))) {
		num -= 32;
		word <<= 32;
	}
#endif
	if (!(word & (~0ul << (BITS_PER_LONG-16)))) {
		num -= 16;
		word <<= 16;
	}
	if (!(word & (~0ul << (BITS_PER_LONG-8)))) {
		num -= 8;
		word <<= 8;
	}
	if (!(word & (~0ul << (BITS_PER_LONG-4)))) {
		num -= 4;
		word <<= 4;
	}
	if (!(word & (~0ul << (BITS_PER_LONG-2)))) {
		num -= 2;
		word <<= 2;
	}
	if (!(word & (~0ul << (BITS_PER_LONG-1))))
		num -= 1;
	return num;
}

#endif /* _ASM_GENERIC_BITOPS___FLS_H_ */
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<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/log/?id=d120649d86852f00d2c8afc943d1f480d6ed2703&amp;showmsg=1'>root</a>/<a href='/cgit.cgi/linux/net-next.git/log/drivers?id=d120649d86852f00d2c8afc943d1f480d6ed2703&amp;showmsg=1'>drivers</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/cgit.cgi/linux/net-next.git/log/drivers?id=d120649d86852f00d2c8afc943d1f480d6ed2703'>Collapse</a>)</th><th class='left'>Author</th><th class='left'>Files</th><th class='left'>Lines</th></tr>
<tr class='logheader'><td><span title='2017-02-03 16:35:40 -0500'>2017-02-03</span></td><td class='logsubject'><a href='/cgit.cgi/linux/net-next.git/commit/drivers?id=d120649d86852f00d2c8afc943d1f480d6ed2703'>mlxsw: reg: Add Policy-Engine Policy Based Switching Register</a></td><td>Jiri Pirko</td><td>1</td><td><span class='deletions'>-0</span>/<span class='insertions'>+31</span></td></tr>
<tr class='nohover-highlight'><td/><td colspan='5' class='logmsg'>
The PPBS register retrieves and sets Policy Based Switching Table entries.

Signed-off-by: Jiri Pirko &lt;jiri@mellanox.com&gt;
Reviewed-by: Ido Schimmel &lt;idosch@mellanox.com&gt;
Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;


</td></tr>
<tr class='logheader'><td><span title='2017-02-03 16:35:40 -0500'>2017-02-03</span></td><td class='logsubject'><a href='/cgit.cgi/linux/net-next.git/commit/drivers?id=937b682cc0bcebe19df7911f3697be7fd8c5dee6'>mlxsw: reg: Add Policy-Engine Rules Copy Register</a></td><td>Jiri Pirko</td><td>1</td><td><span class='deletions'>-0</span>/<span class='insertions'>+77</span></td></tr>
<tr class='nohover-highlight'><td/><td colspan='5' class='logmsg'>
The PRCR register is used for accessing rules within a TCAM region.

Signed-off-by: Jiri Pirko &lt;jiri@mellanox.com&gt;
Reviewed-by: Ido Schimmel &lt;idosch@mellanox.com&gt;
Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;


</td></tr>
<tr class='logheader'><td><span title='2017-02-03 16:35:39 -0500'>2017-02-03</span></td><td class='logsubject'><a href='/cgit.cgi/linux/net-next.git/commit/drivers?id=af7170eee6ee269fe1d4f5cbd276bafc2ce064b8'>mlxsw: reg: Add Policy-Engine Port Binding Table</a></td><td>Jiri Pirko</td><td>1</td><td><span class='deletions'>-0</span>/<span class='insertions'>+63</span></td></tr>
<tr class='nohover-highlight'><td/><td colspan='5' class='logmsg'>
The PPBT is used for configuration of the Port Binding Table.

Signed-off-by: Jiri Pirko &lt;jiri@mellanox.com&gt;
Reviewed-by: Ido Schimmel &lt;idosch@mellanox.com&gt;
Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;


</td></tr>
<tr class='logheader'><td><span title='2017-02-03 16:35:39 -0500'>2017-02-03</span></td><td class='logsubject'><a href='/cgit.cgi/linux/net-next.git/commit/drivers?id=0171cdec03bddcc00de50f318d253ff2da821c41'>mlxsw: reg: Add Policy-Engine TCAM Entry Register Version 2</a></td><td>Jiri Pirko</td><td>1</td><td><span class='deletions'>-0</span>/<span class='insertions'>+100</span></td></tr>
<tr class='nohover-highlight'><td/><td colspan='5' class='logmsg'>
The PTCE-V2 register is used for accessing rules within a TCAM region.
It is a new version of PTCE in order to support wider key, mask and
action within a TCAM region.

Signed-off-by: Jiri Pirko &lt;jiri@mellanox.com&gt;
Reviewed-by: Ido Schimmel &lt;idosch@mellanox.com&gt;
Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;


</td></tr>
<tr class='logheader'><td><span title='2017-02-03 16:35:39 -0500'>2017-02-03</span></td><td class='logsubject'><a href='/cgit.cgi/linux/net-next.git/commit/drivers?id=d9c2661e1c8a98583a48f25b24d44ea9fa57fa87'>mlxsw: reg: Add Policy-Engine TCAM Allocation Register</a></td><td>Jiri Pirko</td><td>1</td><td><span class='deletions'>-0</span>/<span class='insertions'>+106</span></td></tr>
<tr class='nohover-highlight'><td/><td colspan='5' class='logmsg'>
The PTAR register is used for allocation of regions in the TCAM.

Signed-off-by: Jiri Pirko &lt;jiri@mellanox.com&gt;
Reviewed-by: Ido Schimmel &lt;idosch@mellanox.com&gt;
Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;


</td></tr>
<tr class='logheader'><td><span title='2017-02-03 16:35:38 -0500'>2017-02-03</span></td><td class='logsubject'><a href='/cgit.cgi/linux/net-next.git/commit/drivers?id=10fabef5134b02aa5a6f8f894d9943095d9b2ce2'>mlxsw: reg: Add Policy-Engine ACL Group Table register</a></td><td>Jiri Pirko</td><td>1</td><td><span class='deletions'>-0</span>/<span class='insertions'>+54</span></td></tr>
<tr class='nohover-highlight'><td/><td colspan='5' class='logmsg'>
The PAGT register is used for configuration of the ACL Group Table.

Signed-off-by: Jiri Pirko &lt;jiri@mellanox.com&gt;
Reviewed-by: Ido Schimmel &lt;idosch@mellanox.com&gt;
Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;


</td></tr>
<tr class='logheader'><td><span title='2017-02-03 16:35:38 -0500'>2017-02-03</span></td><td class='logsubject'><a href='/cgit.cgi/linux/net-next.git/commit/drivers?id=3279da4c8877357b1001b4a3359069d588053f27'>mlxsw: reg: Add Policy-Engine ACL Register</a></td><td>Jiri Pirko</td><td>1</td><td><span class='deletions'>-2</span>/<span class='insertions'>+45</span></td></tr>
<tr class='nohover-highlight'><td/><td colspan='5' class='logmsg'>
The PACL register is used for configuration of the ACL.

Signed-off-by: Jiri Pirko &lt;jiri@mellanox.com&gt;
Reviewed-by: Ido Schimmel &lt;idosch@mellanox.com&gt;
Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;


</td></tr>
<tr class='logheader'><td><span title='2017-02-03 16:35:38 -0500'>2017-02-03</span></td><td class='logsubject'><a href='/cgit.cgi/linux/net-next.git/commit/drivers?id=d5e556c6a158893d9e50de3d4e7638f753ffd520'>mlxsw: item: Add helpers for getting pointer into payload for char buffer item</a></td><td>Jiri Pirko