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wifi: iwlwifi: Allow trans_pcie track more than 1 pnvm DRAM region

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Change the field pnvm_dram to an array that describes many regions
and add a counter to the number of pnvm regions that were allocated
in DRAM.

Signed-off-by: Alon Giladi <alon.giladi@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230606103519.bb206d71bf45.I627640701757bb2f234f8e18a3afbd6af1206658@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Alon Giladi
2023-06-06 10:43:01 +03:00
committed by Johannes Berg
parent b99e32cbfd
commit f6fa583565
3 changed files with 31 additions and 10 deletions
Download Patch File Download Diff File Expand all files Collapse all files
drivers/net/wireless/intel/iwlwifi/pcie/ctxt-info-gen3.c
+9 -4
View File
@@ -287,7 +287,7 @@ int iwl_trans_pcie_ctx_info_gen3_load_pnvm(struct iwl_trans *trans,
struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
struct iwl_prph_scratch_ctrl_cfg *prph_sc_ctrl =
&trans_pcie->prph_scratch->ctrl_cfg;
struct iwl_dram_data *dram = &trans_pcie->pnvm_dram;
struct iwl_dram_data *dram = &trans_pcie->pnvm_dram[0];
u32 len, len0, len1;
if (trans->trans_cfg->device_family < IWL_DEVICE_FAMILY_AX210)
@@ -324,6 +324,7 @@ int iwl_trans_pcie_ctx_info_gen3_load_pnvm(struct iwl_trans *trans,
dram->size = len;
memcpy(dram->block, pnvm_payloads->chunks[0].data, len0);
memcpy((u8 *)dram->block + len0, pnvm_payloads->chunks[1].data, len1);
trans_pcie->n_pnvm_regions = 1;
trans->pnvm_loaded = true;
return 0;
@@ -337,11 +338,15 @@ void iwl_trans_pcie_ctx_info_gen3_set_pnvm(struct iwl_trans *trans)
if (trans->trans_cfg->device_family < IWL_DEVICE_FAMILY_AX210)
return;
/* FIXME: currently we concatenate payloads and save them only in
* pnvm_dram[0] - therefor only pnvm_dram[0] is delivered to the
* prph_sc. Need to add a UCODE sensitivity and another case in which
* we deliver to the prph_sc an array with all the DRAM addresses.
*/
prph_sc_ctrl->pnvm_cfg.pnvm_base_addr =
cpu_to_le64(trans_pcie->pnvm_dram.physical);
cpu_to_le64(trans_pcie->pnvm_dram[0].physical);
prph_sc_ctrl->pnvm_cfg.pnvm_size =
cpu_to_le32(trans_pcie->pnvm_dram.size);
cpu_to_le32(trans_pcie->pnvm_dram[0].size);
}
drivers/net/wireless/intel/iwlwifi/pcie/internal.h
+8 -2
View File
@@ -23,6 +23,7 @@
#include "iwl-op-mode.h"
#include "iwl-drv.h"
#include "queue/tx.h"
#include "iwl-context-info.h"
/*
* RX related structures and functions
@@ -306,7 +307,8 @@ enum iwl_pcie_imr_status {
* @trans: pointer to the generic transport area
* @scd_base_addr: scheduler sram base address in SRAM
* @kw: keep warm address
* @pnvm_dram: DRAM area that contains the PNVM data
* @pnvm_dram: array of several DRAM areas that contains the PNVM data
* @n_pnvm_regions: number of DRAM regions that were allocated for the pnvm
* @pci_dev: basic pci-network driver stuff
* @hw_base: pci hardware address support
* @ucode_write_complete: indicates that the ucode has been copied.
@@ -380,7 +382,9 @@ struct iwl_trans_pcie {
u32 scd_base_addr;
struct iwl_dma_ptr kw;
struct iwl_dram_data pnvm_dram;
/* pnvm data */
struct iwl_dram_data pnvm_dram[IPC_DRAM_MAP_ENTRY_NUM_MAX];
u8 n_pnvm_regions;
struct iwl_dram_data reduce_power_dram;
struct iwl_txq *txq_memory;
@@ -478,6 +482,8 @@ struct iwl_trans
const struct pci_device_id *ent,
const struct iwl_cfg_trans_params *cfg_trans);
void iwl_trans_pcie_free(struct iwl_trans *trans);
void iwl_trans_pcie_free_pnvm_dram(struct iwl_trans_pcie *trans_pcie,
struct device *dev);
bool __iwl_trans_pcie_grab_nic_access(struct iwl_trans *trans);
#define _iwl_trans_pcie_grab_nic_access(trans) \
drivers/net/wireless/intel/iwlwifi/pcie/trans.c
+14 -4
View File
@@ -1995,6 +1995,19 @@ static void iwl_trans_pcie_configure(struct iwl_trans *trans,
trans_pcie->fw_reset_handshake = trans_cfg->fw_reset_handshake;
}
void iwl_trans_pcie_free_pnvm_dram(struct iwl_trans_pcie *trans_pcie,
struct device *dev)
{
u8 i;
for (i = 0; i < trans_pcie->n_pnvm_regions; i++) {
dma_free_coherent(dev, trans_pcie->pnvm_dram[i].size,
trans_pcie->pnvm_dram[i].block,
trans_pcie->pnvm_dram[i].physical);
}
trans_pcie->n_pnvm_regions = 0;
}
void iwl_trans_pcie_free(struct iwl_trans *trans)
{
struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
@@ -2027,10 +2040,7 @@ void iwl_trans_pcie_free(struct iwl_trans *trans)
iwl_pcie_free_fw_monitor(trans);
if (trans_pcie->pnvm_dram.size)
dma_free_coherent(trans->dev, trans_pcie->pnvm_dram.size,
trans_pcie->pnvm_dram.block,
trans_pcie->pnvm_dram.physical);
iwl_trans_pcie_free_pnvm_dram(trans_pcie, trans->dev);
if (trans_pcie->reduce_power_dram.size)
dma_free_coherent(trans->dev,