diff options
Diffstat (limited to 'drivers/net/ethernet/intel/i40e/i40e_nvm.c')
-rw-r--r-- | drivers/net/ethernet/intel/i40e/i40e_nvm.c | 198 |
1 files changed, 133 insertions, 65 deletions
diff --git a/drivers/net/ethernet/intel/i40e/i40e_nvm.c b/drivers/net/ethernet/intel/i40e/i40e_nvm.c index 25c4f9a3011f..3e70f2e45a47 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_nvm.c +++ b/drivers/net/ethernet/intel/i40e/i40e_nvm.c @@ -61,7 +61,7 @@ i40e_status i40e_init_nvm(struct i40e_hw *hw) } else { /* Blank programming mode */ nvm->blank_nvm_mode = true; ret_code = I40E_ERR_NVM_BLANK_MODE; - hw_dbg(hw, "NVM init error: unsupported blank mode.\n"); + i40e_debug(hw, I40E_DEBUG_NVM, "NVM init error: unsupported blank mode.\n"); } return ret_code; @@ -80,46 +80,45 @@ i40e_status i40e_acquire_nvm(struct i40e_hw *hw, { i40e_status ret_code = 0; u64 gtime, timeout; - u64 time = 0; + u64 time_left = 0; if (hw->nvm.blank_nvm_mode) goto i40e_i40e_acquire_nvm_exit; ret_code = i40e_aq_request_resource(hw, I40E_NVM_RESOURCE_ID, access, - 0, &time, NULL); + 0, &time_left, NULL); /* Reading the Global Device Timer */ gtime = rd32(hw, I40E_GLVFGEN_TIMER); /* Store the timeout */ - hw->nvm.hw_semaphore_timeout = I40E_MS_TO_GTIME(time) + gtime; + hw->nvm.hw_semaphore_timeout = I40E_MS_TO_GTIME(time_left) + gtime; - if (ret_code) { - /* Set the polling timeout */ - if (time > I40E_MAX_NVM_TIMEOUT) - timeout = I40E_MS_TO_GTIME(I40E_MAX_NVM_TIMEOUT) - + gtime; - else - timeout = hw->nvm.hw_semaphore_timeout; + if (ret_code) + i40e_debug(hw, I40E_DEBUG_NVM, + "NVM acquire type %d failed time_left=%llu ret=%d aq_err=%d\n", + access, time_left, ret_code, hw->aq.asq_last_status); + + if (ret_code && time_left) { /* Poll until the current NVM owner timeouts */ - while (gtime < timeout) { + timeout = I40E_MS_TO_GTIME(I40E_MAX_NVM_TIMEOUT) + gtime; + while ((gtime < timeout) && time_left) { usleep_range(10000, 20000); + gtime = rd32(hw, I40E_GLVFGEN_TIMER); ret_code = i40e_aq_request_resource(hw, I40E_NVM_RESOURCE_ID, - access, 0, &time, + access, 0, &time_left, NULL); if (!ret_code) { hw->nvm.hw_semaphore_timeout = - I40E_MS_TO_GTIME(time) + gtime; + I40E_MS_TO_GTIME(time_left) + gtime; break; } - gtime = rd32(hw, I40E_GLVFGEN_TIMER); } if (ret_code) { hw->nvm.hw_semaphore_timeout = 0; - hw->nvm.hw_semaphore_wait = - I40E_MS_TO_GTIME(time) + gtime; - hw_dbg(hw, "NVM acquire timed out, wait %llu ms before trying again.\n", - time); + i40e_debug(hw, I40E_DEBUG_NVM, + "NVM acquire timed out, wait %llu ms before trying again. status=%d aq_err=%d\n", + time_left, ret_code, hw->aq.asq_last_status); } } @@ -160,7 +159,7 @@ static i40e_status i40e_poll_sr_srctl_done_bit(struct i40e_hw *hw) udelay(5); } if (ret_code == I40E_ERR_TIMEOUT) - hw_dbg(hw, "Done bit in GLNVM_SRCTL not set\n"); + i40e_debug(hw, I40E_DEBUG_NVM, "Done bit in GLNVM_SRCTL not set"); return ret_code; } @@ -179,7 +178,9 @@ i40e_status i40e_read_nvm_word(struct i40e_hw *hw, u16 offset, u32 sr_reg; if (offset >= hw->nvm.sr_size) { - hw_dbg(hw, "NVM read error: Offset beyond Shadow RAM limit.\n"); + i40e_debug(hw, I40E_DEBUG_NVM, + "NVM read error: offset %d beyond Shadow RAM limit %d\n", + offset, hw->nvm.sr_size); ret_code = I40E_ERR_PARAM; goto read_nvm_exit; } @@ -202,8 +203,9 @@ i40e_status i40e_read_nvm_word(struct i40e_hw *hw, u16 offset, } } if (ret_code) - hw_dbg(hw, "NVM read error: Couldn't access Shadow RAM address: 0x%x\n", - offset); + i40e_debug(hw, I40E_DEBUG_NVM, + "NVM read error: Couldn't access Shadow RAM address: 0x%x\n", + offset); read_nvm_exit: return ret_code; @@ -263,14 +265,20 @@ static i40e_status i40e_write_nvm_aq(struct i40e_hw *hw, u8 module_pointer, * Firmware will check the module-based model. */ if ((offset + words) > hw->nvm.sr_size) - hw_dbg(hw, "NVM write error: offset beyond Shadow RAM limit.\n"); + i40e_debug(hw, I40E_DEBUG_NVM, + "NVM write error: offset %d beyond Shadow RAM limit %d\n", + (offset + words), hw->nvm.sr_size); else if (words > I40E_SR_SECTOR_SIZE_IN_WORDS) /* We can write only up to 4KB (one sector), in one AQ write */ - hw_dbg(hw, "NVM write fail error: cannot write more than 4KB in a single write.\n"); + i40e_debug(hw, I40E_DEBUG_NVM, + "NVM write fail error: tried to write %d words, limit is %d.\n", + words, I40E_SR_SECTOR_SIZE_IN_WORDS); else if (((offset + (words - 1)) / I40E_SR_SECTOR_SIZE_IN_WORDS) != (offset / I40E_SR_SECTOR_SIZE_IN_WORDS)) /* A single write cannot spread over two sectors */ - hw_dbg(hw, "NVM write error: cannot spread over two sectors in a single write.\n"); + i40e_debug(hw, I40E_DEBUG_NVM, + "NVM write error: cannot spread over two sectors in a single write offset=%d words=%d\n", + offset, words); else ret_code = i40e_aq_update_nvm(hw, module_pointer, 2 * offset, /*bytes*/ @@ -438,6 +446,22 @@ static inline u8 i40e_nvmupd_get_transaction(u32 val) return (u8)((val & I40E_NVM_TRANS_MASK) >> I40E_NVM_TRANS_SHIFT); } +static char *i40e_nvm_update_state_str[] = { + "I40E_NVMUPD_INVALID", + "I40E_NVMUPD_READ_CON", + "I40E_NVMUPD_READ_SNT", + "I40E_NVMUPD_READ_LCB", + "I40E_NVMUPD_READ_SA", + "I40E_NVMUPD_WRITE_ERA", + "I40E_NVMUPD_WRITE_CON", + "I40E_NVMUPD_WRITE_SNT", + "I40E_NVMUPD_WRITE_LCB", + "I40E_NVMUPD_WRITE_SA", + "I40E_NVMUPD_CSUM_CON", + "I40E_NVMUPD_CSUM_SA", + "I40E_NVMUPD_CSUM_LCB", +}; + /** * i40e_nvmupd_command - Process an NVM update command * @hw: pointer to hardware structure @@ -471,6 +495,8 @@ i40e_status i40e_nvmupd_command(struct i40e_hw *hw, default: /* invalid state, should never happen */ + i40e_debug(hw, I40E_DEBUG_NVM, + "NVMUPD: no such state %d\n", hw->nvmupd_state); status = I40E_NOT_SUPPORTED; *errno = -ESRCH; break; @@ -501,7 +527,8 @@ static i40e_status i40e_nvmupd_state_init(struct i40e_hw *hw, case I40E_NVMUPD_READ_SA: status = i40e_acquire_nvm(hw, I40E_RESOURCE_READ); if (status) { - *errno = i40e_aq_rc_to_posix(hw->aq.asq_last_status); + *errno = i40e_aq_rc_to_posix(status, + hw->aq.asq_last_status); } else { status = i40e_nvmupd_nvm_read(hw, cmd, bytes, errno); i40e_release_nvm(hw); @@ -511,17 +538,22 @@ static i40e_status i40e_nvmupd_state_init(struct i40e_hw *hw, case I40E_NVMUPD_READ_SNT: status = i40e_acquire_nvm(hw, I40E_RESOURCE_READ); if (status) { - *errno = i40e_aq_rc_to_posix(hw->aq.asq_last_status); + *errno = i40e_aq_rc_to_posix(status, + hw->aq.asq_last_status); } else { status = i40e_nvmupd_nvm_read(hw, cmd, bytes, errno); - hw->nvmupd_state = I40E_NVMUPD_STATE_READING; + if (status) + i40e_release_nvm(hw); + else + hw->nvmupd_state = I40E_NVMUPD_STATE_READING; } break; case I40E_NVMUPD_WRITE_ERA: status = i40e_acquire_nvm(hw, I40E_RESOURCE_WRITE); if (status) { - *errno = i40e_aq_rc_to_posix(hw->aq.asq_last_status); + *errno = i40e_aq_rc_to_posix(status, + hw->aq.asq_last_status); } else { status = i40e_nvmupd_nvm_erase(hw, cmd, errno); if (status) @@ -534,7 +566,8 @@ static i40e_status i40e_nvmupd_state_init(struct i40e_hw *hw, case I40E_NVMUPD_WRITE_SA: status = i40e_acquire_nvm(hw, I40E_RESOURCE_WRITE); if (status) { - *errno = i40e_aq_rc_to_posix(hw->aq.asq_last_status); + *errno = i40e_aq_rc_to_posix(status, + hw->aq.asq_last_status); } else { status = i40e_nvmupd_nvm_write(hw, cmd, bytes, errno); if (status) @@ -547,22 +580,28 @@ static i40e_status i40e_nvmupd_state_init(struct i40e_hw *hw, case I40E_NVMUPD_WRITE_SNT: status = i40e_acquire_nvm(hw, I40E_RESOURCE_WRITE); if (status) { - *errno = i40e_aq_rc_to_posix(hw->aq.asq_last_status); + *errno = i40e_aq_rc_to_posix(status, + hw->aq.asq_last_status); } else { status = i40e_nvmupd_nvm_write(hw, cmd, bytes, errno); - hw->nvmupd_state = I40E_NVMUPD_STATE_WRITING; + if (status) + i40e_release_nvm(hw); + else + hw->nvmupd_state = I40E_NVMUPD_STATE_WRITING; } break; case I40E_NVMUPD_CSUM_SA: status = i40e_acquire_nvm(hw, I40E_RESOURCE_WRITE); if (status) { - *errno = i40e_aq_rc_to_posix(hw->aq.asq_last_status); + *errno = i40e_aq_rc_to_posix(status, + hw->aq.asq_last_status); } else { status = i40e_update_nvm_checksum(hw); if (status) { *errno = hw->aq.asq_last_status ? - i40e_aq_rc_to_posix(hw->aq.asq_last_status) : + i40e_aq_rc_to_posix(status, + hw->aq.asq_last_status) : -EIO; i40e_release_nvm(hw); } else { @@ -572,6 +611,9 @@ static i40e_status i40e_nvmupd_state_init(struct i40e_hw *hw, break; default: + i40e_debug(hw, I40E_DEBUG_NVM, + "NVMUPD: bad cmd %s in init state\n", + i40e_nvm_update_state_str[upd_cmd]); status = I40E_ERR_NVM; *errno = -ESRCH; break; @@ -611,6 +653,9 @@ static i40e_status i40e_nvmupd_state_reading(struct i40e_hw *hw, break; default: + i40e_debug(hw, I40E_DEBUG_NVM, + "NVMUPD: bad cmd %s in reading state.\n", + i40e_nvm_update_state_str[upd_cmd]); status = I40E_NOT_SUPPORTED; *errno = -ESRCH; break; @@ -644,33 +689,38 @@ static i40e_status i40e_nvmupd_state_writing(struct i40e_hw *hw, case I40E_NVMUPD_WRITE_LCB: status = i40e_nvmupd_nvm_write(hw, cmd, bytes, errno); - if (!status) { + if (!status) hw->aq.nvm_release_on_done = true; - hw->nvmupd_state = I40E_NVMUPD_STATE_INIT; - } + hw->nvmupd_state = I40E_NVMUPD_STATE_INIT; break; case I40E_NVMUPD_CSUM_CON: status = i40e_update_nvm_checksum(hw); - if (status) + if (status) { *errno = hw->aq.asq_last_status ? - i40e_aq_rc_to_posix(hw->aq.asq_last_status) : + i40e_aq_rc_to_posix(status, + hw->aq.asq_last_status) : -EIO; + hw->nvmupd_state = I40E_NVMUPD_STATE_INIT; + } break; case I40E_NVMUPD_CSUM_LCB: status = i40e_update_nvm_checksum(hw); - if (status) { + if (status) *errno = hw->aq.asq_last_status ? - i40e_aq_rc_to_posix(hw->aq.asq_last_status) : + i40e_aq_rc_to_posix(status, + hw->aq.asq_last_status) : -EIO; - } else { + else hw->aq.nvm_release_on_done = true; - hw->nvmupd_state = I40E_NVMUPD_STATE_INIT; - } + hw->nvmupd_state = I40E_NVMUPD_STATE_INIT; break; default: + i40e_debug(hw, I40E_DEBUG_NVM, + "NVMUPD: bad cmd %s in writing state.\n", + i40e_nvm_update_state_str[upd_cmd]); status = I40E_NOT_SUPPORTED; *errno = -ESRCH; break; @@ -702,8 +752,9 @@ static enum i40e_nvmupd_cmd i40e_nvmupd_validate_command(struct i40e_hw *hw, /* limits on data size */ if ((cmd->data_size < 1) || (cmd->data_size > I40E_NVMUPD_MAX_DATA)) { - hw_dbg(hw, "i40e_nvmupd_validate_command data_size %d\n", - cmd->data_size); + i40e_debug(hw, I40E_DEBUG_NVM, + "i40e_nvmupd_validate_command data_size %d\n", + cmd->data_size); *errno = -EFAULT; return I40E_NVMUPD_INVALID; } @@ -755,12 +806,16 @@ 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) { *errno = -EFAULT; - hw_dbg(hw, - "i40e_nvmupd_validate_command returns %d errno: %d\n", - upd_cmd, *errno); + i40e_debug(hw, I40E_DEBUG_NVM, + "i40e_nvmupd_validate_command returns %d errno %d\n", + upd_cmd, *errno); } return upd_cmd; } @@ -785,14 +840,18 @@ static i40e_status i40e_nvmupd_nvm_read(struct i40e_hw *hw, transaction = i40e_nvmupd_get_transaction(cmd->config); module = i40e_nvmupd_get_module(cmd->config); last = (transaction == I40E_NVM_LCB) || (transaction == I40E_NVM_SA); - hw_dbg(hw, "i40e_nvmupd_nvm_read mod 0x%x off 0x%x len 0x%x\n", - module, cmd->offset, cmd->data_size); status = i40e_aq_read_nvm(hw, module, cmd->offset, (u16)cmd->data_size, bytes, last, NULL); - hw_dbg(hw, "i40e_nvmupd_nvm_read status %d\n", status); - if (status) - *errno = i40e_aq_rc_to_posix(hw->aq.asq_last_status); + if (status) { + i40e_debug(hw, I40E_DEBUG_NVM, + "i40e_nvmupd_nvm_read mod 0x%x off 0x%x len 0x%x\n", + module, cmd->offset, cmd->data_size); + i40e_debug(hw, I40E_DEBUG_NVM, + "i40e_nvmupd_nvm_read status %d aq %d\n", + status, hw->aq.asq_last_status); + *errno = i40e_aq_rc_to_posix(status, hw->aq.asq_last_status); + } return status; } @@ -816,13 +875,17 @@ static i40e_status i40e_nvmupd_nvm_erase(struct i40e_hw *hw, transaction = i40e_nvmupd_get_transaction(cmd->config); module = i40e_nvmupd_get_module(cmd->config); last = (transaction & I40E_NVM_LCB); - hw_dbg(hw, "i40e_nvmupd_nvm_erase mod 0x%x off 0x%x len 0x%x\n", - module, cmd->offset, cmd->data_size); status = i40e_aq_erase_nvm(hw, module, cmd->offset, (u16)cmd->data_size, last, NULL); - hw_dbg(hw, "i40e_nvmupd_nvm_erase status %d\n", status); - if (status) - *errno = i40e_aq_rc_to_posix(hw->aq.asq_last_status); + if (status) { + i40e_debug(hw, I40E_DEBUG_NVM, + "i40e_nvmupd_nvm_erase mod 0x%x off 0x%x len 0x%x\n", + module, cmd->offset, cmd->data_size); + i40e_debug(hw, I40E_DEBUG_NVM, + "i40e_nvmupd_nvm_erase status %d aq %d\n", + status, hw->aq.asq_last_status); + *errno = i40e_aq_rc_to_posix(status, hw->aq.asq_last_status); + } return status; } @@ -847,13 +910,18 @@ static i40e_status i40e_nvmupd_nvm_write(struct i40e_hw *hw, transaction = i40e_nvmupd_get_transaction(cmd->config); module = i40e_nvmupd_get_module(cmd->config); last = (transaction & I40E_NVM_LCB); - hw_dbg(hw, "i40e_nvmupd_nvm_write mod 0x%x off 0x%x len 0x%x\n", - module, cmd->offset, cmd->data_size); + status = i40e_aq_update_nvm(hw, module, cmd->offset, (u16)cmd->data_size, bytes, last, NULL); - hw_dbg(hw, "i40e_nvmupd_nvm_write status %d\n", status); - if (status) - *errno = i40e_aq_rc_to_posix(hw->aq.asq_last_status); + if (status) { + i40e_debug(hw, I40E_DEBUG_NVM, + "i40e_nvmupd_nvm_write mod 0x%x off 0x%x len 0x%x\n", + module, cmd->offset, cmd->data_size); + i40e_debug(hw, I40E_DEBUG_NVM, + "i40e_nvmupd_nvm_write status %d aq %d\n", + status, hw->aq.asq_last_status); + *errno = i40e_aq_rc_to_posix(status, hw->aq.asq_last_status); + } return status; } |