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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>
This commit is contained in:
Shannon Nelson 2015-08-28 17:55:48 -04:00 committed by Jeff Kirsher
parent 6b5c1b89c3
commit 0af8e9db2c
3 changed files with 35 additions and 11 deletions
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42
drivers/net/ethernet/intel/i40e/i40e_nvm.c
View File

@ -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;
}

2
drivers/net/ethernet/intel/i40e/i40e_type.h
View File

@ -305,6 +305,7 @@ enum i40e_nvmupd_cmd {
I40E_NVMUPD_CSUM_CON,
I40E_NVMUPD_CSUM_SA,
I40E_NVMUPD_CSUM_LCB,
I40E_NVMUPD_STATUS,
};
enum i40e_nvmupd_state {
@ -329,6 +330,7 @@ enum i40e_nvmupd_state {
#define I40E_NVM_SA (I40E_NVM_SNT | I40E_NVM_LCB)
#define I40E_NVM_ERA 0x4
#define I40E_NVM_CSUM 0x8
#define I40E_NVM_EXEC 0xf
#define I40E_NVM_ADAPT_SHIFT 16
#define I40E_NVM_ADAPT_MASK (0xffff << I40E_NVM_ADAPT_SHIFT)

2
drivers/net/ethernet/intel/i40evf/i40e_type.h
View File

@ -304,6 +304,7 @@ enum i40e_nvmupd_cmd {
I40E_NVMUPD_CSUM_CON,
I40E_NVMUPD_CSUM_SA,
I40E_NVMUPD_CSUM_LCB,
I40E_NVMUPD_STATUS,
};
enum i40e_nvmupd_state {
@ -328,6 +329,7 @@ enum i40e_nvmupd_state {
#define I40E_NVM_SA (I40E_NVM_SNT | I40E_NVM_LCB)
#define I40E_NVM_ERA 0x4
#define I40E_NVM_CSUM 0x8
#define I40E_NVM_EXEC 0xf
#define I40E_NVM_ADAPT_SHIFT 16
#define I40E_NVM_ADAPT_MASK (0xffff << I40E_NVM_ADAPT_SHIFT)