diff options
| author |   Shannon Nelson <shannon.nelson@intel.com> | 2015-08-28 17:55:48 -0400 |
|---|---|---|
| committer |   Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2015-09-17 17:44:50 -0700 |
| commit | 0af8e9db2ce93d17c25a0ff0a044dfebf66ea5af (patch) | |
| tree | 6c6bbed7e5b443005ce49b5637eb6c04aa7c3f74 /drivers/net/ethernet/intel/i40e/i40e_nvm.c | |
| parent | i40e/i40evf: add handling of writeback descriptor (diff) | |
| download | linux-dev-0af8e9db2ce93d17c25a0ff0a044dfebf66ea5af.tar.xz linux-dev-0af8e9db2ce93d17c25a0ff0a044dfebf66ea5af.zip | |
i40e/i40evf: add GetStatus command for nvmupdate
This adds a new GetStatus command so that the NVM update tool can query
the current status instead of doing fake write requests to probe for
readiness.
Change-ID: I671ec6ccd4dfc9dbac3a03b964589d693fda5cd8
Signed-off-by: Shannon Nelson <shannon.nelson@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Diffstat (limited to 'drivers/net/ethernet/intel/i40e/i40e_nvm.c')
| -rw-r--r-- | drivers/net/ethernet/intel/i40e/i40e_nvm.c | 42 |
1 files changed, 31 insertions, 11 deletions
diff --git a/drivers/net/ethernet/intel/i40e/i40e_nvm.c b/drivers/net/ethernet/intel/i40e/i40e_nvm.c index e71ce23d5797..7ff309945d6f 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_nvm.c +++ b/drivers/net/ethernet/intel/i40e/i40e_nvm.c @@ -638,6 +638,7 @@ static char *i40e_nvm_update_state_str[] = { "I40E_NVMUPD_CSUM_CON", "I40E_NVMUPD_CSUM_SA", "I40E_NVMUPD_CSUM_LCB", + "I40E_NVMUPD_STATUS", }; /** @@ -654,10 +655,34 @@ i40e_status i40e_nvmupd_command(struct i40e_hw *hw, u8 *bytes, int *perrno) { i40e_status status; + enum i40e_nvmupd_cmd upd_cmd; /* assume success */ *perrno = 0; + /* early check for status command and debug msgs */ + upd_cmd = i40e_nvmupd_validate_command(hw, cmd, perrno); + + i40e_debug(hw, I40E_DEBUG_NVM, "%s state %d nvm_release_on_hold %d\n", + i40e_nvm_update_state_str[upd_cmd], + hw->nvmupd_state, + hw->aq.nvm_release_on_done); + + if (upd_cmd == I40E_NVMUPD_INVALID) { + *perrno = -EFAULT; + i40e_debug(hw, I40E_DEBUG_NVM, + "i40e_nvmupd_validate_command returns %d errno %d\n", + upd_cmd, *perrno); + } + + /* a status request returns immediately rather than + * going into the state machine + */ + if (upd_cmd == I40E_NVMUPD_STATUS) { + bytes[0] = hw->nvmupd_state; + return 0; + } + switch (hw->nvmupd_state) { case I40E_NVMUPD_STATE_INIT: status = i40e_nvmupd_state_init(hw, cmd, bytes, perrno); @@ -954,12 +979,13 @@ static enum i40e_nvmupd_cmd i40e_nvmupd_validate_command(struct i40e_hw *hw, int *perrno) { enum i40e_nvmupd_cmd upd_cmd; - u8 transaction; + u8 module, transaction; /* anything that doesn't match a recognized case is an error */ upd_cmd = I40E_NVMUPD_INVALID; transaction = i40e_nvmupd_get_transaction(cmd->config); + module = i40e_nvmupd_get_module(cmd->config); /* limits on data size */ if ((cmd->data_size < 1) || @@ -986,6 +1012,10 @@ static enum i40e_nvmupd_cmd i40e_nvmupd_validate_command(struct i40e_hw *hw, case I40E_NVM_SA: upd_cmd = I40E_NVMUPD_READ_SA; break; + case I40E_NVM_EXEC: + if (module == 0xf) + upd_cmd = I40E_NVMUPD_STATUS; + break; } break; @@ -1018,17 +1048,7 @@ static enum i40e_nvmupd_cmd i40e_nvmupd_validate_command(struct i40e_hw *hw, } break; } - i40e_debug(hw, I40E_DEBUG_NVM, "%s state %d nvm_release_on_hold %d\n", - i40e_nvm_update_state_str[upd_cmd], - hw->nvmupd_state, - hw->aq.nvm_release_on_done); - if (upd_cmd == I40E_NVMUPD_INVALID) { - *perrno = -EFAULT; - i40e_debug(hw, I40E_DEBUG_NVM, - "i40e_nvmupd_validate_command returns %d errno %d\n", - upd_cmd, *perrno); - } return upd_cmd; } |