From: Sara Sharon <sara.sharon@xxxxxxxxx>
For a000 devices there is a support of 64 bit DMA addressing.
The paging command was changed accordingly - support it.
Signed-off-by: Sara Sharon <sara.sharon@xxxxxxxxx>
Signed-off-by: Luca Coelho <luciano.coelho@xxxxxxxxx>
---
drivers/net/wireless/intel/iwlwifi/mvm/fw-api.h | 8 +++++--
drivers/net/wireless/intel/iwlwifi/mvm/fw.c | 28 ++++++++++++++++++-------
drivers/net/wireless/intel/iwlwifi/mvm/mvm.h | 6 ++++++
3 files changed, 32 insertions(+), 10 deletions(-)
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw-api.h b/drivers/net/wireless/intel/iwlwifi/mvm/fw-api.h
index 71076f0..57b574b 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/fw-api.h
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw-api.h
@@ -482,13 +482,17 @@ struct iwl_nvm_access_cmd {
* @block_size: the block size in powers of 2
* @block_num: number of blocks specified in the command.
* @device_phy_addr: virtual addresses from device side
+ * 32 bit address for API version 1, 64 bit address for API version 2.
*/
struct iwl_fw_paging_cmd {
__le32 flags;
__le32 block_size;
__le32 block_num;
- __le32 device_phy_addr[NUM_OF_FW_PAGING_BLOCKS];
-} __packed; /* FW_PAGING_BLOCK_CMD_API_S_VER_1 */
+ union {
+ __le32 addr32[NUM_OF_FW_PAGING_BLOCKS];
+ __le64 addr64[NUM_OF_FW_PAGING_BLOCKS];
+ } device_phy_addr;
+} __packed; /* FW_PAGING_BLOCK_CMD_API_S_VER_2 */
/*
* Fw items ID's
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
index 7e0cdbf..47e8e70 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
@@ -385,9 +385,7 @@ static int iwl_save_fw_paging(struct iwl_mvm *mvm,
/* send paging cmd to FW in case CPU2 has paging image */
static int iwl_send_paging_cmd(struct iwl_mvm *mvm, const struct fw_img *fw)
{
- int blk_idx;
- __le32 dev_phy_addr;
- struct iwl_fw_paging_cmd fw_paging_cmd = {
+ struct iwl_fw_paging_cmd paging_cmd = {
.flags =
cpu_to_le32(PAGING_CMD_IS_SECURED |
PAGING_CMD_IS_ENABLED |
@@ -396,18 +394,32 @@ static int iwl_send_paging_cmd(struct iwl_mvm *mvm, const struct fw_img *fw)
.block_size = cpu_to_le32(BLOCK_2_EXP_SIZE),
.block_num = cpu_to_le32(mvm->num_of_paging_blk),
};
+ int blk_idx, size = sizeof(paging_cmd);
+
+ /* A bit hard coded - but this is the old API and will be deprecated */
+ if (!iwl_mvm_has_new_tx_api(mvm))
+ size -= NUM_OF_FW_PAGING_BLOCKS * 4;
/* loop for for all paging blocks + CSS block */
for (blk_idx = 0; blk_idx < mvm->num_of_paging_blk + 1; blk_idx++) {
- dev_phy_addr =
- cpu_to_le32(mvm->fw_paging_db[blk_idx].fw_paging_phys >>
- PAGE_2_EXP_SIZE);
- fw_paging_cmd.device_phy_addr[blk_idx] = dev_phy_addr;
+ dma_addr_t addr = mvm->fw_paging_db[blk_idx].fw_paging_phys;
+
+ addr = addr >> PAGE_2_EXP_SIZE;
+
+ if (iwl_mvm_has_new_tx_api(mvm)) {
+ __le64 phy_addr = cpu_to_le64(addr);
+
+ paging_cmd.device_phy_addr.addr64[blk_idx] = phy_addr;
+ } else {
+ __le32 phy_addr = cpu_to_le32(addr);
+
+ paging_cmd.device_phy_addr.addr32[blk_idx] = phy_addr;
+ }
}
return iwl_mvm_send_cmd_pdu(mvm, iwl_cmd_id(FW_PAGING_BLOCK_CMD,
IWL_ALWAYS_LONG_GROUP, 0),
- 0, sizeof(fw_paging_cmd), &fw_paging_cmd);
+ 0, size, &paging_cmd);
}
/*
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h b/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h
index 0b0855a..28ebc12 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h
@@ -1192,6 +1192,12 @@ static inline bool iwl_mvm_has_new_rx_api(struct iwl_mvm *mvm)
IWL_UCODE_TLV_CAPA_MULTI_QUEUE_RX_SUPPORT);
}
+static inline bool iwl_mvm_has_new_tx_api(struct iwl_mvm *mvm)
+{
+ /* TODO - replace with TLV once defined */
+ return mvm->trans->cfg->use_tfh;
+}
+
static inline bool iwl_mvm_is_tt_in_fw(struct iwl_mvm *mvm)
{
#ifdef CONFIG_THERMAL
--
2.8.1
