Author: adrian
Date: Fri Feb 24 07:07:58 2017
New Revision: 314192
URL: https://svnweb.freebsd.org/changeset/base/314192
Log:
[iwm] Add support for Firmware paging, needed for newer 8000C firmware.
* Uses the IWM_FW_PAGING_BLOCK_CMD firmware command to tell the firmware
what memory ranges to use for paging.
Obtained from: dragonflybsd.git
8a5b199964f8e7bdb00039f0b48817a01b402f18
Modified:
head/sys/conf/files
head/sys/dev/iwm/if_iwm.c
head/sys/dev/iwm/if_iwm_debug.h
head/sys/dev/iwm/if_iwmreg.h
head/sys/dev/iwm/if_iwmvar.h
head/sys/modules/iwm/Makefile
Modified: head/sys/conf/files
==============================================================================
--- head/sys/conf/files Fri Feb 24 06:49:31 2017 (r314191)
+++ head/sys/conf/files Fri Feb 24 07:07:58 2017 (r314192)
@@ -1864,6 +1864,7 @@ dev/iwm/if_iwm.c optional iwm
dev/iwm/if_iwm_7000.c optional iwm
dev/iwm/if_iwm_8000.c optional iwm
dev/iwm/if_iwm_binding.c optional iwm
+dev/iwm/if_iwm_fw.c optional iwm
dev/iwm/if_iwm_led.c optional iwm
dev/iwm/if_iwm_mac_ctxt.c optional iwm
dev/iwm/if_iwm_notif_wait.c optional iwm
Modified: head/sys/dev/iwm/if_iwm.c
==============================================================================
--- head/sys/dev/iwm/if_iwm.c Fri Feb 24 06:49:31 2017 (r314191)
+++ head/sys/dev/iwm/if_iwm.c Fri Feb 24 07:07:58 2017 (r314192)
@@ -166,6 +166,7 @@ __FBSDID("$FreeBSD$");
#include <dev/iwm/if_iwm_pcie_trans.h>
#include <dev/iwm/if_iwm_led.h>
+#include <dev/iwm/if_iwm_fw.h>
const uint8_t iwm_nvm_channels[] = {
/* 2.4 GHz */
@@ -2869,9 +2870,21 @@ iwm_mvm_load_ucode_wait_alive(struct iwm
* included in the IWM_UCODE_INIT image.
*/
if (fw->paging_mem_size) {
- /* XXX implement FW paging */
- device_printf(sc->sc_dev,
- "%s: XXX FW paging not implemented yet\n", __func__);
+ error = iwm_save_fw_paging(sc, fw);
+ if (error) {
+ device_printf(sc->sc_dev,
+ "%s: failed to save the FW paging image\n",
+ __func__);
+ return error;
+ }
+
+ error = iwm_send_paging_cmd(sc, fw);
+ if (error) {
+ device_printf(sc->sc_dev,
+ "%s: failed to send the paging cmd\n", __func__);
+ iwm_free_fw_paging(sc);
+ return error;
+ }
}
if (!error)
@@ -5517,6 +5530,7 @@ iwm_notif_intr(struct iwm_softc *sc)
case IWM_REMOVE_STA:
case IWM_TXPATH_FLUSH:
case IWM_LQ_CMD:
+ case IWM_FW_PAGING_BLOCK_CMD:
case IWM_BT_CONFIG:
case IWM_REPLY_THERMAL_MNG_BACKOFF:
cresp = (void *)pkt->data;
@@ -6475,6 +6489,8 @@ iwm_detach_local(struct iwm_softc *sc, i
iwm_dma_contig_free(&sc->kw_dma);
iwm_dma_contig_free(&sc->fw_dma);
+ iwm_free_fw_paging(sc);
+
/* Finished with the hardware - detach things */
iwm_pci_detach(dev);
Modified: head/sys/dev/iwm/if_iwm_debug.h
==============================================================================
--- head/sys/dev/iwm/if_iwm_debug.h Fri Feb 24 06:49:31 2017
(r314191)
+++ head/sys/dev/iwm/if_iwm_debug.h Fri Feb 24 07:07:58 2017
(r314192)
@@ -42,6 +42,7 @@ enum {
IWM_DEBUG_TRANS = 0x00040000, /* Transport layer (eg PCIe) */
IWM_DEBUG_EEPROM = 0x00080000, /* EEPROM/channel information */
IWM_DEBUG_TEMP = 0x00100000, /* Thermal Sensor handling */
+ IWM_DEBUG_FW = 0x00200000, /* Firmware management */
IWM_DEBUG_REGISTER = 0x20000000, /* print chipset register */
IWM_DEBUG_TRACE = 0x40000000, /* Print begin and start driver
function */
IWM_DEBUG_FATAL = 0x80000000, /* fatal errors */
Modified: head/sys/dev/iwm/if_iwmreg.h
==============================================================================
--- head/sys/dev/iwm/if_iwmreg.h Fri Feb 24 06:49:31 2017
(r314191)
+++ head/sys/dev/iwm/if_iwmreg.h Fri Feb 24 07:07:58 2017
(r314192)
@@ -888,28 +888,6 @@ struct iwm_fw_cipher_scheme {
uint8_t hw_cipher;
} __packed;
-/*
- * Block paging calculations
- */
-#define IWM_PAGE_2_EXP_SIZE 12 /* 4K == 2^12 */
-#define IWM_FW_PAGING_SIZE (1 << IWM_PAGE_2_EXP_SIZE) /* page size is 4KB */
-#define IWM_PAGE_PER_GROUP_2_EXP_SIZE 3
-/* 8 pages per group */
-#define IWM_NUM_OF_PAGE_PER_GROUP (1 << IWM_PAGE_PER_GROUP_2_EXP_SIZE)
-/* don't change, support only 32KB size */
-#define IWM_PAGING_BLOCK_SIZE (IWM_NUM_OF_PAGE_PER_GROUP * IWM_FW_PAGING_SIZE)
-/* 32K == 2^15 */
-#define IWM_BLOCK_2_EXP_SIZE (IWM_PAGE_2_EXP_SIZE +
IWM_PAGE_PER_GROUP_2_EXP_SIZE)
-
-/*
- * Image paging calculations
- */
-#define IWM_BLOCK_PER_IMAGE_2_EXP_SIZE 5
-/* 2^5 == 32 blocks per image */
-#define IWM_NUM_OF_BLOCK_PER_IMAGE (1 << IWM_BLOCK_PER_IMAGE_2_EXP_SIZE)
-/* maximum image size 1024KB */
-#define IWM_MAX_PAGING_IMAGE_SIZE (IWM_NUM_OF_BLOCK_PER_IMAGE *
IWM_PAGING_BLOCK_SIZE)
-
/**
* struct iwm_fw_cscheme_list - a cipher scheme list
* @size: a number of entries
@@ -1842,12 +1820,8 @@ enum {
IWM_LQ_CMD = 0x4e,
- /* Calibration */
- IWM_TEMPERATURE_NOTIFICATION = 0x62,
- IWM_CALIBRATION_CFG_CMD = 0x65,
- IWM_CALIBRATION_RES_NOTIFICATION = 0x66,
- IWM_CALIBRATION_COMPLETE_NOTIFICATION = 0x67,
- IWM_RADIO_VERSION_NOTIFICATION = 0x68,
+ /* paging block to FW cpu2 */
+ IWM_FW_PAGING_BLOCK_CMD = 0x4f,
/* Scan offload */
IWM_SCAN_OFFLOAD_REQUEST_CMD = 0x51,
@@ -2092,6 +2066,44 @@ struct iwm_nvm_access_cmd {
uint8_t data[];
} __packed; /* IWM_NVM_ACCESS_CMD_API_S_VER_2 */
+#define IWM_NUM_OF_FW_PAGING_BLOCKS 33 /* 32 for data and 1 block for CSS */
+
+/*
+ * struct iwm_fw_paging_cmd - paging layout
+ *
+ * (IWM_FW_PAGING_BLOCK_CMD = 0x4f)
+ *
+ * Send to FW the paging layout in the driver.
+ *
+ * @flags: various flags for the command
+ * @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
+*/
+struct iwm_fw_paging_cmd {
+ uint32_t flags;
+ uint32_t block_size;
+ uint32_t block_num;
+ uint32_t device_phy_addr[IWM_NUM_OF_FW_PAGING_BLOCKS];
+} __packed; /* IWM_FW_PAGING_BLOCK_CMD_API_S_VER_1 */
+
+/*
+ * Fw items ID's
+ *
+ * @IWM_FW_ITEM_ID_PAGING: Address of the pages that the FW will upload
+ * download
+ */
+enum iwm_fw_item_id {
+ IWM_FW_ITEM_ID_PAGING = 3,
+};
+
+/*
+ * struct iwm_fw_get_item_cmd - get an item from the fw
+ */
+struct iwm_fw_get_item_cmd {
+ uint32_t item_id;
+} __packed; /* IWM_FW_GET_ITEM_CMD_API_S_VER_1 */
+
/**
* struct iwm_nvm_access_resp_ver2 - response to IWM_NVM_ACCESS_CMD
* @offset: offset in bytes into the section
Modified: head/sys/dev/iwm/if_iwmvar.h
==============================================================================
--- head/sys/dev/iwm/if_iwmvar.h Fri Feb 24 06:49:31 2017
(r314191)
+++ head/sys/dev/iwm/if_iwmvar.h Fri Feb 24 07:07:58 2017
(r314192)
@@ -246,6 +246,16 @@ struct iwm_dma_info {
bus_size_t size;
};
+/**
+ * struct iwm_fw_paging
+ * @fw_paging_block: dma memory info
+ * @fw_paging_size: page size
+ */
+struct iwm_fw_paging {
+ struct iwm_dma_info fw_paging_block;
+ uint32_t fw_paging_size;
+};
+
#define IWM_TX_RING_COUNT 256
#define IWM_TX_RING_LOMARK 192
#define IWM_TX_RING_HIMARK 224
@@ -500,6 +510,14 @@ struct iwm_softc {
uint32_t log_event_table;
uint32_t umac_error_event_table;
int support_umac_log;
+
+ /*
+ * Paging parameters - All of the parameters should be set by the
+ * opmode when paging is enabled
+ */
+ struct iwm_fw_paging fw_paging_db[IWM_NUM_OF_FW_PAGING_BLOCKS];
+ uint16_t num_of_paging_blk;
+ uint16_t num_of_pages_in_last_blk;
};
#define IWM_LOCK_INIT(_sc) \
Modified: head/sys/modules/iwm/Makefile
==============================================================================
--- head/sys/modules/iwm/Makefile Fri Feb 24 06:49:31 2017
(r314191)
+++ head/sys/modules/iwm/Makefile Fri Feb 24 07:07:58 2017
(r314192)
@@ -7,7 +7,7 @@ KMOD= if_iwm
SRCS= if_iwm.c if_iwm_binding.c if_iwm_util.c if_iwm_phy_db.c
SRCS+= if_iwm_mac_ctxt.c if_iwm_phy_ctxt.c if_iwm_time_event.c
SRCS+= if_iwm_power.c if_iwm_scan.c if_iwm_led.c if_iwm_notif_wait.c
-SRCS+= if_iwm_7000.c if_iwm_8000.c
+SRCS+= if_iwm_7000.c if_iwm_8000.c if_iwm_fw.c
# bus layer
SRCS+= if_iwm_pcie_trans.c
SRCS+= device_if.h bus_if.h pci_if.h opt_wlan.h
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