1 files changed, 204 insertions, 76 deletions

diff --git a/drivers/net/wireless/iwlwifi/iwl-drv.c b/drivers/net/wireless/iwlwifi/iwl-drv.c
index 29a3ae48df6d..a21af3df6c8a 100644
--- a/drivers/net/wireless/iwlwifi/iwl-drv.c
+++ b/drivers/net/wireless/iwlwifi/iwl-drv.c
@@ -69,6 +69,7 @@
 #include "iwl-trans.h"
 #include "iwl-shared.h"
 #include "iwl-op-mode.h"
+#include "iwl-agn-hw.h"
 
 /* private includes */
 #include "iwl-fw-file.h"
@@ -96,6 +97,16 @@ struct iwl_drv {
 
 
 
+/*
+ * struct fw_sec: Just for the image parsing proccess.
+ * For the fw storage we are using struct fw_desc.
+ */
+struct fw_sec {
+	const void *data;		/* the sec data */
+	size_t size;			/* section size */
+	u32 offset;			/* offset of writing in the device */
+};
+
 static void iwl_free_fw_desc(struct iwl_drv *drv, struct fw_desc *desc)
 {
 	if (desc->v_addr)
@@ -119,20 +130,21 @@ static void iwl_dealloc_ucode(struct iwl_drv *drv)
 }
 
 static int iwl_alloc_fw_desc(struct iwl_drv *drv, struct fw_desc *desc,
-		      const void *data, size_t len)
+		      struct fw_sec *sec)
 {
-	if (!len) {
+	if (!sec || !sec->size) {
 		desc->v_addr = NULL;
 		return -EINVAL;
 	}
 
-	desc->v_addr = dma_alloc_coherent(trans(drv)->dev, len,
+	desc->v_addr = dma_alloc_coherent(trans(drv)->dev, sec->size,
 					  &desc->p_addr, GFP_KERNEL);
 	if (!desc->v_addr)
 		return -ENOMEM;
 
-	desc->len = len;
-	memcpy(desc->v_addr, data, len);
+	desc->len = sec->size;
+	desc->offset = sec->offset;
+	memcpy(desc->v_addr, sec->data, sec->size);
 	return 0;
 }
 
@@ -177,18 +189,77 @@ static int iwl_request_firmware(struct iwl_drv *drv, bool first)
 				       GFP_KERNEL, drv, iwl_ucode_callback);
 }
 
-struct iwlagn_firmware_pieces {
-	const void *inst, *data, *init, *init_data, *wowlan_inst, *wowlan_data;
-	size_t inst_size, data_size, init_size, init_data_size,
-	       wowlan_inst_size, wowlan_data_size;
+/*
+ * enumeration of ucode section.
+ * This enumeration is used for legacy tlv style (before 16.0 uCode).
+ */
+enum iwl_ucode_sec {
+	IWL_UCODE_SECTION_INST,
+	IWL_UCODE_SECTION_DATA,
+};
+/*
+ * For 16.0 uCode and above, there is no differentiation between section,
+ * just an offset to the HW address.
+ */
+#define UCODE_SECTION_MAX 4
+
+struct fw_img_parsing {
+	struct fw_sec sec[UCODE_SECTION_MAX];
+	int sec_counter;
+};
+
+struct iwl_firmware_pieces {
+	struct fw_img_parsing img[IWL_UCODE_TYPE_MAX];
 
 	u32 init_evtlog_ptr, init_evtlog_size, init_errlog_ptr;
 	u32 inst_evtlog_ptr, inst_evtlog_size, inst_errlog_ptr;
 };
 
+/*
+ * These functions are just to extract uCode section data from the pieces
+ * structure.
+ */
+static struct fw_sec *get_sec(struct iwl_firmware_pieces *pieces,
+			      enum iwl_ucode_type type,
+			      int  sec)
+{
+	return &pieces->img[type].sec[sec];
+}
+
+static void set_sec_data(struct iwl_firmware_pieces *pieces,
+			 enum iwl_ucode_type type,
+			 int sec,
+			 const void *data)
+{
+	pieces->img[type].sec[sec].data = data;
+}
+
+static void set_sec_size(struct iwl_firmware_pieces *pieces,
+			 enum iwl_ucode_type type,
+			 int sec,
+			 size_t size)
+{
+	pieces->img[type].sec[sec].size = size;
+}
+
+static size_t get_sec_size(struct iwl_firmware_pieces *pieces,
+			   enum iwl_ucode_type type,
+			   int sec)
+{
+	return pieces->img[type].sec[sec].size;
+}
+
+static void set_sec_offset(struct iwl_firmware_pieces *pieces,
+			   enum iwl_ucode_type type,
+			   int sec,
+			   u32 offset)
+{
+	pieces->img[type].sec[sec].offset = offset;
+}
+
 static int iwl_parse_v1_v2_firmware(struct iwl_drv *drv,
-				       const struct firmware *ucode_raw,
-				       struct iwlagn_firmware_pieces *pieces)
+				    const struct firmware *ucode_raw,
+				    struct iwl_firmware_pieces *pieces)
 {
 	struct iwl_ucode_header *ucode = (void *)ucode_raw->data;
 	u32 api_ver, hdr_size, build;
@@ -206,11 +277,14 @@ static int iwl_parse_v1_v2_firmware(struct iwl_drv *drv,
 			return -EINVAL;
 		}
 		build = le32_to_cpu(ucode->u.v2.build);
-		pieces->inst_size = le32_to_cpu(ucode->u.v2.inst_size);
-		pieces->data_size = le32_to_cpu(ucode->u.v2.data_size);
-		pieces->init_size = le32_to_cpu(ucode->u.v2.init_size);
-		pieces->init_data_size =
-			le32_to_cpu(ucode->u.v2.init_data_size);
+		set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST,
+			     le32_to_cpu(ucode->u.v2.inst_size));
+		set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA,
+			     le32_to_cpu(ucode->u.v2.data_size));
+		set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST,
+			     le32_to_cpu(ucode->u.v2.init_size));
+		set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA,
+			     le32_to_cpu(ucode->u.v2.init_data_size));
 		src = ucode->u.v2.data;
 		break;
 	case 0:
@@ -222,11 +296,14 @@ static int iwl_parse_v1_v2_firmware(struct iwl_drv *drv,
 			return -EINVAL;
 		}
 		build = 0;
-		pieces->inst_size = le32_to_cpu(ucode->u.v1.inst_size);
-		pieces->data_size = le32_to_cpu(ucode->u.v1.data_size);
-		pieces->init_size = le32_to_cpu(ucode->u.v1.init_size);
-		pieces->init_data_size =
-			le32_to_cpu(ucode->u.v1.init_data_size);
+		set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST,
+			     le32_to_cpu(ucode->u.v1.inst_size));
+		set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA,
+			     le32_to_cpu(ucode->u.v1.data_size));
+		set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST,
+			     le32_to_cpu(ucode->u.v1.init_size));
+		set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA,
+			     le32_to_cpu(ucode->u.v1.init_data_size));
 		src = ucode->u.v1.data;
 		break;
 	}
@@ -248,9 +325,12 @@ static int iwl_parse_v1_v2_firmware(struct iwl_drv *drv,
 		 buildstr);
 
 	/* Verify size of file vs. image size info in file's header */
-	if (ucode_raw->size != hdr_size + pieces->inst_size +
-				pieces->data_size + pieces->init_size +
-				pieces->init_data_size) {
+
+	if (ucode_raw->size != hdr_size +
+	    get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST) +
+	    get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA) +
+	    get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST) +
+	    get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA)) {
 
 		IWL_ERR(drv,
 			"uCode file size %d does not match expected size\n",
@@ -258,21 +338,29 @@ static int iwl_parse_v1_v2_firmware(struct iwl_drv *drv,
 		return -EINVAL;
 	}
 
-	pieces->inst = src;
-	src += pieces->inst_size;
-	pieces->data = src;
-	src += pieces->data_size;
-	pieces->init = src;
-	src += pieces->init_size;
-	pieces->init_data = src;
-	src += pieces->init_data_size;
 
+	set_sec_data(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, src);
+	src += get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST);
+	set_sec_offset(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST,
+		       IWLAGN_RTC_INST_LOWER_BOUND);
+	set_sec_data(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, src);
+	src += get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA);
+	set_sec_offset(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA,
+		       IWLAGN_RTC_DATA_LOWER_BOUND);
+	set_sec_data(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, src);
+	src += get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST);
+	set_sec_offset(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST,
+		       IWLAGN_RTC_INST_LOWER_BOUND);
+	set_sec_data(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, src);
+	src += get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA);
+	set_sec_offset(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA,
+		       IWLAGN_RTC_DATA_LOWER_BOUND);
 	return 0;
 }
 
 static int iwl_parse_tlv_firmware(struct iwl_drv *drv,
 				const struct firmware *ucode_raw,
-				struct iwlagn_firmware_pieces *pieces,
+				struct iwl_firmware_pieces *pieces,
 				struct iwl_ucode_capabilities *capa)
 {
 	struct iwl_tlv_ucode_header *ucode = (void *)ucode_raw->data;
@@ -368,20 +456,40 @@ static int iwl_parse_tlv_firmware(struct iwl_drv *drv,
 
 		switch (tlv_type) {
 		case IWL_UCODE_TLV_INST:
-			pieces->inst = tlv_data;
-			pieces->inst_size = tlv_len;
+			set_sec_data(pieces, IWL_UCODE_REGULAR,
+				     IWL_UCODE_SECTION_INST, tlv_data);
+			set_sec_size(pieces, IWL_UCODE_REGULAR,
+				     IWL_UCODE_SECTION_INST, tlv_len);
+			set_sec_offset(pieces, IWL_UCODE_REGULAR,
+				       IWL_UCODE_SECTION_INST,
+				       IWLAGN_RTC_INST_LOWER_BOUND);
 			break;
 		case IWL_UCODE_TLV_DATA:
-			pieces->data = tlv_data;
-			pieces->data_size = tlv_len;
+			set_sec_data(pieces, IWL_UCODE_REGULAR,
+				     IWL_UCODE_SECTION_DATA, tlv_data);
+			set_sec_size(pieces, IWL_UCODE_REGULAR,
+				     IWL_UCODE_SECTION_DATA, tlv_len);
+			set_sec_offset(pieces, IWL_UCODE_REGULAR,
+				       IWL_UCODE_SECTION_DATA,
+				       IWLAGN_RTC_DATA_LOWER_BOUND);
 			break;
 		case IWL_UCODE_TLV_INIT:
-			pieces->init = tlv_data;
-			pieces->init_size = tlv_len;
+			set_sec_data(pieces, IWL_UCODE_INIT,
+				     IWL_UCODE_SECTION_INST, tlv_data);
+			set_sec_size(pieces, IWL_UCODE_INIT,
+				     IWL_UCODE_SECTION_INST, tlv_len);
+			set_sec_offset(pieces, IWL_UCODE_INIT,
+				       IWL_UCODE_SECTION_INST,
+				       IWLAGN_RTC_INST_LOWER_BOUND);
 			break;
 		case IWL_UCODE_TLV_INIT_DATA:
-			pieces->init_data = tlv_data;
-			pieces->init_data_size = tlv_len;
+			set_sec_data(pieces, IWL_UCODE_INIT,
+				     IWL_UCODE_SECTION_DATA, tlv_data);
+			set_sec_size(pieces, IWL_UCODE_INIT,
+				     IWL_UCODE_SECTION_DATA, tlv_len);
+			set_sec_offset(pieces, IWL_UCODE_INIT,
+				       IWL_UCODE_SECTION_DATA,
+				       IWLAGN_RTC_DATA_LOWER_BOUND);
 			break;
 		case IWL_UCODE_TLV_BOOT:
 			IWL_ERR(drv, "Found unexpected BOOT ucode\n");
@@ -455,12 +563,22 @@ static int iwl_parse_tlv_firmware(struct iwl_drv *drv,
 			drv->fw.enhance_sensitivity_table = true;
 			break;
 		case IWL_UCODE_TLV_WOWLAN_INST:
-			pieces->wowlan_inst = tlv_data;
-			pieces->wowlan_inst_size = tlv_len;
+			set_sec_data(pieces, IWL_UCODE_WOWLAN,
+				     IWL_UCODE_SECTION_INST, tlv_data);
+			set_sec_size(pieces, IWL_UCODE_WOWLAN,
+				     IWL_UCODE_SECTION_INST, tlv_len);
+			set_sec_offset(pieces, IWL_UCODE_WOWLAN,
+				       IWL_UCODE_SECTION_INST,
+				       IWLAGN_RTC_INST_LOWER_BOUND);
 			break;
 		case IWL_UCODE_TLV_WOWLAN_DATA:
-			pieces->wowlan_data = tlv_data;
-			pieces->wowlan_data_size = tlv_len;
+			set_sec_data(pieces, IWL_UCODE_WOWLAN,
+				     IWL_UCODE_SECTION_DATA, tlv_data);
+			set_sec_size(pieces, IWL_UCODE_WOWLAN,
+				     IWL_UCODE_SECTION_DATA, tlv_len);
+			set_sec_offset(pieces, IWL_UCODE_WOWLAN,
+				       IWL_UCODE_SECTION_DATA,
+				       IWLAGN_RTC_DATA_LOWER_BOUND);
 			break;
 		case IWL_UCODE_TLV_PHY_CALIBRATION_SIZE:
 			if (tlv_len != sizeof(u32))
@@ -502,7 +620,7 @@ static void iwl_ucode_callback(const struct firmware *ucode_raw, void *context)
 	struct iwl_fw *fw = &drv->fw;
 	struct iwl_ucode_header *ucode;
 	int err;
-	struct iwlagn_firmware_pieces pieces;
+	struct iwl_firmware_pieces pieces;
 	const unsigned int api_max = cfg->ucode_api_max;
 	unsigned int api_ok = cfg->ucode_api_ok;
 	const unsigned int api_min = cfg->ucode_api_min;
@@ -588,36 +706,46 @@ static void iwl_ucode_callback(const struct firmware *ucode_raw, void *context)
 	IWL_DEBUG_INFO(drv, "f/w package hdr ucode version raw = 0x%x\n",
 		       drv->fw.ucode_ver);
 	IWL_DEBUG_INFO(drv, "f/w package hdr runtime inst size = %Zd\n",
-		       pieces.inst_size);
+		get_sec_size(&pieces, IWL_UCODE_REGULAR,
+			     IWL_UCODE_SECTION_INST));
 	IWL_DEBUG_INFO(drv, "f/w package hdr runtime data size = %Zd\n",
-		       pieces.data_size);
+		get_sec_size(&pieces, IWL_UCODE_REGULAR,
+			     IWL_UCODE_SECTION_DATA));
 	IWL_DEBUG_INFO(drv, "f/w package hdr init inst size = %Zd\n",
-		       pieces.init_size);
+		get_sec_size(&pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST));
 	IWL_DEBUG_INFO(drv, "f/w package hdr init data size = %Zd\n",
-		       pieces.init_data_size);
+		get_sec_size(&pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA));
 
 	/* Verify that uCode images will fit in card's SRAM */
-	if (pieces.inst_size > cfg->max_inst_size) {
+	if (get_sec_size(&pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST) >
+							cfg->max_inst_size) {
 		IWL_ERR(drv, "uCode instr len %Zd too large to fit in\n",
-			pieces.inst_size);
+			get_sec_size(&pieces, IWL_UCODE_REGULAR,
+				     IWL_UCODE_SECTION_INST));
 		goto try_again;
 	}
 
-	if (pieces.data_size > cfg->max_data_size) {
+	if (get_sec_size(&pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA) >
+							cfg->max_data_size) {
 		IWL_ERR(drv, "uCode data len %Zd too large to fit in\n",
-			pieces.data_size);
+			get_sec_size(&pieces, IWL_UCODE_REGULAR,
+				     IWL_UCODE_SECTION_DATA));
 		goto try_again;
 	}
 
-	if (pieces.init_size > cfg->max_inst_size) {
+	 if (get_sec_size(&pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST) >
+							cfg->max_inst_size) {
 		IWL_ERR(drv, "uCode init instr len %Zd too large to fit in\n",
-			pieces.init_size);
+			get_sec_size(&pieces, IWL_UCODE_INIT,
+				     IWL_UCODE_SECTION_INST));
 		goto try_again;
 	}
 
-	if (pieces.init_data_size > cfg->max_data_size) {
+	if (get_sec_size(&pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA) >
+							cfg->max_data_size) {
 		IWL_ERR(drv, "uCode init data len %Zd too large to fit in\n",
-			pieces.init_data_size);
+			get_sec_size(&pieces, IWL_UCODE_REGULAR,
+				     IWL_UCODE_SECTION_DATA));
 		goto try_again;
 	}
 
@@ -627,35 +755,35 @@ static void iwl_ucode_callback(const struct firmware *ucode_raw, void *context)
 	 * 1) unmodified from disk
 	 * 2) backup cache for save/restore during power-downs */
 	if (iwl_alloc_fw_desc(drv, &drv->fw.ucode_rt.code,
-			      pieces.inst, pieces.inst_size))
+		get_sec(&pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST)))
 		goto err_pci_alloc;
 	if (iwl_alloc_fw_desc(drv, &drv->fw.ucode_rt.data,
-			      pieces.data, pieces.data_size))
+		get_sec(&pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA)))
 		goto err_pci_alloc;
 
 	/* Initialization instructions and data */
-	if (pieces.init_size && pieces.init_data_size) {
-		if (iwl_alloc_fw_desc(drv,
-				      &drv->fw.ucode_init.code,
-				      pieces.init, pieces.init_size))
+	if (get_sec_size(&pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST) &&
+	    get_sec_size(&pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA)) {
+		if (iwl_alloc_fw_desc(drv, &drv->fw.ucode_init.code,
+			get_sec(&pieces, IWL_UCODE_INIT,
+						IWL_UCODE_SECTION_INST)))
 			goto err_pci_alloc;
-		if (iwl_alloc_fw_desc(drv,
-				      &drv->fw.ucode_init.data,
-				      pieces.init_data, pieces.init_data_size))
+		if (iwl_alloc_fw_desc(drv, &drv->fw.ucode_init.data,
+			get_sec(&pieces, IWL_UCODE_INIT,
+						IWL_UCODE_SECTION_DATA)))
 			goto err_pci_alloc;
 	}
 
 	/* WoWLAN instructions and data */
-	if (pieces.wowlan_inst_size && pieces.wowlan_data_size) {
-		if (iwl_alloc_fw_desc(drv,
-				      &drv->fw.ucode_wowlan.code,
-				      pieces.wowlan_inst,
-				      pieces.wowlan_inst_size))
+	if (get_sec_size(&pieces, IWL_UCODE_WOWLAN, IWL_UCODE_SECTION_INST) &&
+	    get_sec_size(&pieces, IWL_UCODE_WOWLAN, IWL_UCODE_SECTION_DATA)) {
+		if (iwl_alloc_fw_desc(drv, &drv->fw.ucode_wowlan.code,
+			get_sec(&pieces, IWL_UCODE_WOWLAN,
+						IWL_UCODE_SECTION_INST)))
 			goto err_pci_alloc;
-		if (iwl_alloc_fw_desc(drv,
-				      &drv->fw.ucode_wowlan.data,
-				      pieces.wowlan_data,
-				      pieces.wowlan_data_size))
+		if (iwl_alloc_fw_desc(drv, &drv->fw.ucode_wowlan.data,
+			get_sec(&pieces, IWL_UCODE_WOWLAN,
+						IWL_UCODE_SECTION_DATA)))
 			goto err_pci_alloc;
 	}