diff options
| author | Shannon Nelson <shannon.nelson@intel.com> | 2013-11-16 10:00:36 +0000 |
|---|---|---|
| committer | Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2013-12-05 23:12:58 -0800 |
| commit | 17e6a845dc808f9e9cb3085517fd851d1ccc2bc3 (patch) | |
| tree | 8a0da0c80efe9c53356a42e15754268afd09da64 /drivers | |
| parent | 26d7178f5ba164e329f137b00a542fd67b850051 (diff) | |
| download | kernel-common-17e6a845dc808f9e9cb3085517fd851d1ccc2bc3.tar.gz kernel-common-17e6a845dc808f9e9cb3085517fd851d1ccc2bc3.tar.bz2 kernel-common-17e6a845dc808f9e9cb3085517fd851d1ccc2bc3.zip | |
i40e: simplify aq head-tail-len setups
Use more virtual registers to simplify code flows.
Change-Id: I32cff3818c5ca3a3792487ba4fed8f1d0ea6145a
Signed-off-by: Shannon Nelson <shannon.nelson@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/ethernet/intel/i40e/i40e_adminq.c | 50 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/i40e/i40e_adminq.h | 1 |
2 files changed, 15 insertions, 36 deletions
diff --git a/drivers/net/ethernet/intel/i40e/i40e_adminq.c b/drivers/net/ethernet/intel/i40e/i40e_adminq.c index 2bf73dda160b..92c01ad9de15 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_adminq.c +++ b/drivers/net/ethernet/intel/i40e/i40e_adminq.c @@ -43,13 +43,17 @@ static void i40e_adminq_init_regs(struct i40e_hw *hw) if (hw->mac.type == I40E_MAC_VF) { hw->aq.asq.tail = I40E_VF_ATQT1; hw->aq.asq.head = I40E_VF_ATQH1; + hw->aq.asq.len = I40E_VF_ATQLEN1; hw->aq.arq.tail = I40E_VF_ARQT1; hw->aq.arq.head = I40E_VF_ARQH1; + hw->aq.arq.len = I40E_VF_ARQLEN1; } else { hw->aq.asq.tail = I40E_PF_ATQT; hw->aq.asq.head = I40E_PF_ATQH; + hw->aq.asq.len = I40E_PF_ATQLEN; hw->aq.arq.tail = I40E_PF_ARQT; hw->aq.arq.head = I40E_PF_ARQH; + hw->aq.arq.len = I40E_PF_ARQLEN; } } @@ -466,15 +470,9 @@ static i40e_status i40e_shutdown_asq(struct i40e_hw *hw) return I40E_ERR_NOT_READY; /* Stop firmware AdminQ processing */ - if (hw->mac.type == I40E_MAC_VF) { - wr32(hw, I40E_VF_ATQLEN1, 0); - wr32(hw, I40E_VF_ATQH1, 0); - wr32(hw, I40E_VF_ATQT1, 0); - } else { - wr32(hw, I40E_PF_ATQLEN, 0); - wr32(hw, I40E_PF_ATQH, 0); - wr32(hw, I40E_PF_ATQT, 0); - } + wr32(hw, hw->aq.asq.head, 0); + wr32(hw, hw->aq.asq.tail, 0); + wr32(hw, hw->aq.asq.len, 0); /* make sure lock is available */ mutex_lock(&hw->aq.asq_mutex); @@ -505,15 +503,9 @@ static i40e_status i40e_shutdown_arq(struct i40e_hw *hw) return I40E_ERR_NOT_READY; /* Stop firmware AdminQ processing */ - if (hw->mac.type == I40E_MAC_VF) { - wr32(hw, I40E_VF_ARQLEN1, 0); - wr32(hw, I40E_VF_ARQH1, 0); - wr32(hw, I40E_VF_ARQT1, 0); - } else { - wr32(hw, I40E_PF_ARQLEN, 0); - wr32(hw, I40E_PF_ARQH, 0); - wr32(hw, I40E_PF_ARQT, 0); - } + wr32(hw, hw->aq.arq.head, 0); + wr32(hw, hw->aq.arq.tail, 0); + wr32(hw, hw->aq.arq.len, 0); /* make sure lock is available */ mutex_lock(&hw->aq.arq_mutex); @@ -966,27 +958,13 @@ void i40e_resume_aq(struct i40e_hw *hw) hw->aq.asq.next_to_clean = 0; i40e_config_asq_regs(hw); - reg = hw->aq.num_asq_entries; - - if (hw->mac.type == I40E_MAC_VF) { - reg |= I40E_VF_ATQLEN_ATQENABLE_MASK; - wr32(hw, I40E_VF_ATQLEN1, reg); - } else { - reg |= I40E_PF_ATQLEN_ATQENABLE_MASK; - wr32(hw, I40E_PF_ATQLEN, reg); - } + reg = hw->aq.num_asq_entries | I40E_PF_ATQLEN_ATQENABLE_MASK; + wr32(hw, hw->aq.asq.len, reg); hw->aq.arq.next_to_use = 0; hw->aq.arq.next_to_clean = 0; i40e_config_arq_regs(hw); - reg = hw->aq.num_arq_entries; - - if (hw->mac.type == I40E_MAC_VF) { - reg |= I40E_VF_ATQLEN_ATQENABLE_MASK; - wr32(hw, I40E_VF_ARQLEN1, reg); - } else { - reg |= I40E_PF_ATQLEN_ATQENABLE_MASK; - wr32(hw, I40E_PF_ARQLEN, reg); - } + reg = hw->aq.num_arq_entries | I40E_PF_ATQLEN_ATQENABLE_MASK; + wr32(hw, hw->aq.arq.len, reg); } diff --git a/drivers/net/ethernet/intel/i40e/i40e_adminq.h b/drivers/net/ethernet/intel/i40e/i40e_adminq.h index 22e5ed683e47..f8c2c44e233d 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_adminq.h +++ b/drivers/net/ethernet/intel/i40e/i40e_adminq.h @@ -56,6 +56,7 @@ struct i40e_adminq_ring { /* used for queue tracking */ u32 head; u32 tail; + u32 len; }; /* ASQ transaction details */ |