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authorHariprasad Shenai <hariprasad@chelsio.com>2015-01-20 12:02:20 +0530
committerDavid S. Miller <davem@davemloft.net>2015-01-24 17:13:24 -0800
commit49216c1c170f07c138b043d67cd34c67d75a27cc (patch)
tree1b12e8aac0c9cbbf2a254c075dc05d09ded38d95 /drivers/net/ethernet/chelsio/cxgb4/t4_hw.c
parent1650d5455bd2dc6b5ee134bd6fc1a3236c266b5b (diff)
cxgb4: Add debugfs entry to dump the contents of the flash
Adds support to dump the contents of the flash in the adapter Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/chelsio/cxgb4/t4_hw.c')
-rw-r--r--drivers/net/ethernet/chelsio/cxgb4/t4_hw.c28
1 files changed, 26 insertions, 2 deletions
diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c
index 734d33e3f53b..73da6f548fad 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c
@@ -835,8 +835,8 @@ static int flash_wait_op(struct adapter *adapter, int attempts, int delay)
* (i.e., big-endian), otherwise as 32-bit words in the platform's
* natural endianess.
*/
-static int t4_read_flash(struct adapter *adapter, unsigned int addr,
- unsigned int nwords, u32 *data, int byte_oriented)
+int t4_read_flash(struct adapter *adapter, unsigned int addr,
+ unsigned int nwords, u32 *data, int byte_oriented)
{
int ret;
@@ -1239,6 +1239,30 @@ out:
return ret;
}
+/**
+ * t4_fwcache - firmware cache operation
+ * @adap: the adapter
+ * @op : the operation (flush or flush and invalidate)
+ */
+int t4_fwcache(struct adapter *adap, enum fw_params_param_dev_fwcache op)
+{
+ struct fw_params_cmd c;
+
+ memset(&c, 0, sizeof(c));
+ c.op_to_vfn =
+ cpu_to_be32(FW_CMD_OP_V(FW_PARAMS_CMD) |
+ FW_CMD_REQUEST_F | FW_CMD_WRITE_F |
+ FW_PARAMS_CMD_PFN_V(adap->fn) |
+ FW_PARAMS_CMD_VFN_V(0));
+ c.retval_len16 = cpu_to_be32(FW_LEN16(c));
+ c.param[0].mnem =
+ cpu_to_be32(FW_PARAMS_MNEM_V(FW_PARAMS_MNEM_DEV) |
+ FW_PARAMS_PARAM_X_V(FW_PARAMS_PARAM_DEV_FWCACHE));
+ c.param[0].val = (__force __be32)op;
+
+ return t4_wr_mbox(adap, adap->mbox, &c, sizeof(c), NULL);
+}
+
#define ADVERT_MASK (FW_PORT_CAP_SPEED_100M | FW_PORT_CAP_SPEED_1G |\
FW_PORT_CAP_SPEED_10G | FW_PORT_CAP_SPEED_40G | \
FW_PORT_CAP_ANEG)