#include "vxge-traffic.h"
#include "vxge-config.h"
-
-static enum vxge_hw_status
-__vxge_hw_fifo_create(
- struct __vxge_hw_vpath_handle *vpath_handle,
- struct vxge_hw_fifo_attr *attr);
-
-static enum vxge_hw_status
-__vxge_hw_fifo_abort(
- struct __vxge_hw_fifo *fifoh);
-
-static enum vxge_hw_status
-__vxge_hw_fifo_reset(
- struct __vxge_hw_fifo *ringh);
-
-static enum vxge_hw_status
-__vxge_hw_fifo_delete(
- struct __vxge_hw_vpath_handle *vpath_handle);
-
-static struct __vxge_hw_blockpool_entry *
-__vxge_hw_blockpool_block_allocate(struct __vxge_hw_device *hldev,
- u32 size);
+#include "vxge-main.h"
+
+#define VXGE_HW_VPATH_STATS_PIO_READ(offset) { \
+ status = __vxge_hw_vpath_stats_access(vpath, \
+ VXGE_HW_STATS_OP_READ, \
+ offset, \
+ &val64); \
+ if (status != VXGE_HW_OK) \
+ return status; \
+}
static void
-__vxge_hw_blockpool_block_free(struct __vxge_hw_device *hldev,
- struct __vxge_hw_blockpool_entry *entry);
-
-static void vxge_hw_blockpool_block_add(struct __vxge_hw_device *devh,
- void *block_addr,
- u32 length,
- struct pci_dev *dma_h,
- struct pci_dev *acc_handle);
-
-static enum vxge_hw_status
-__vxge_hw_blockpool_create(struct __vxge_hw_device *hldev,
- struct __vxge_hw_blockpool *blockpool,
- u32 pool_size,
- u32 pool_max);
+vxge_hw_vpath_set_zero_rx_frm_len(struct vxge_hw_vpath_reg __iomem *vp_reg)
+{
+ u64 val64;
-static void
-__vxge_hw_blockpool_destroy(struct __vxge_hw_blockpool *blockpool);
+ val64 = readq(&vp_reg->rxmac_vcfg0);
+ val64 &= ~VXGE_HW_RXMAC_VCFG0_RTS_MAX_FRM_LEN(0x3fff);
+ writeq(val64, &vp_reg->rxmac_vcfg0);
+ val64 = readq(&vp_reg->rxmac_vcfg0);
+}
-static void *
-__vxge_hw_blockpool_malloc(struct __vxge_hw_device *hldev,
- u32 size,
- struct vxge_hw_mempool_dma *dma_object);
+/*
+ * vxge_hw_vpath_wait_receive_idle - Wait for Rx to become idle
+ */
+int vxge_hw_vpath_wait_receive_idle(struct __vxge_hw_device *hldev, u32 vp_id)
+{
+ struct vxge_hw_vpath_reg __iomem *vp_reg;
+ struct __vxge_hw_virtualpath *vpath;
+ u64 val64, rxd_count, rxd_spat;
+ int count = 0, total_count = 0;
-static void
-__vxge_hw_blockpool_free(struct __vxge_hw_device *hldev,
- void *memblock,
- u32 size,
- struct vxge_hw_mempool_dma *dma_object);
+ vpath = &hldev->virtual_paths[vp_id];
+ vp_reg = vpath->vp_reg;
+ vxge_hw_vpath_set_zero_rx_frm_len(vp_reg);
-static struct __vxge_hw_channel*
-__vxge_hw_channel_allocate(struct __vxge_hw_vpath_handle *vph,
- enum __vxge_hw_channel_type type, u32 length,
- u32 per_dtr_space, void *userdata);
+ /* Check that the ring controller for this vpath has enough free RxDs
+ * to send frames to the host. This is done by reading the
+ * PRC_RXD_DOORBELL_VPn register and comparing the read value to the
+ * RXD_SPAT value for the vpath.
+ */
+ val64 = readq(&vp_reg->prc_cfg6);
+ rxd_spat = VXGE_HW_PRC_CFG6_GET_RXD_SPAT(val64) + 1;
+ /* Use a factor of 2 when comparing rxd_count against rxd_spat for some
+ * leg room.
+ */
+ rxd_spat *= 2;
-static void
-__vxge_hw_channel_free(
- struct __vxge_hw_channel *channel);
+ do {
+ mdelay(1);
-static enum vxge_hw_status
-__vxge_hw_channel_initialize(
- struct __vxge_hw_channel *channel);
+ rxd_count = readq(&vp_reg->prc_rxd_doorbell);
-static enum vxge_hw_status
-__vxge_hw_channel_reset(
- struct __vxge_hw_channel *channel);
+ /* Check that the ring controller for this vpath does
+ * not have any frame in its pipeline.
+ */
+ val64 = readq(&vp_reg->frm_in_progress_cnt);
+ if ((rxd_count <= rxd_spat) || (val64 > 0))
+ count = 0;
+ else
+ count++;
+ total_count++;
+ } while ((count < VXGE_HW_MIN_SUCCESSIVE_IDLE_COUNT) &&
+ (total_count < VXGE_HW_MAX_POLLING_COUNT));
-static enum vxge_hw_status __vxge_hw_ring_delete(struct __vxge_hw_vpath_handle *vp);
+ if (total_count >= VXGE_HW_MAX_POLLING_COUNT)
+ printk(KERN_ALERT "%s: Still Receiving traffic. Abort wait\n",
+ __func__);
-static enum vxge_hw_status
-__vxge_hw_device_fifo_config_check(struct vxge_hw_fifo_config *fifo_config);
+ return total_count;
+}
-static enum vxge_hw_status
-__vxge_hw_device_config_check(struct vxge_hw_device_config *new_config);
+/* vxge_hw_device_wait_receive_idle - This function waits until all frames
+ * stored in the frame buffer for each vpath assigned to the given
+ * function (hldev) have been sent to the host.
+ */
+void vxge_hw_device_wait_receive_idle(struct __vxge_hw_device *hldev)
+{
+ int i, total_count = 0;
-static void
-__vxge_hw_device_id_get(struct __vxge_hw_device *hldev);
+ for (i = 0; i < VXGE_HW_MAX_VIRTUAL_PATHS; i++) {
+ if (!(hldev->vpaths_deployed & vxge_mBIT(i)))
+ continue;
-static void
-__vxge_hw_device_host_info_get(struct __vxge_hw_device *hldev);
+ total_count += vxge_hw_vpath_wait_receive_idle(hldev, i);
+ if (total_count >= VXGE_HW_MAX_POLLING_COUNT)
+ break;
+ }
+}
+/*
+ * __vxge_hw_device_register_poll
+ * Will poll certain register for specified amount of time.
+ * Will poll until masked bit is not cleared.
+ */
static enum vxge_hw_status
-__vxge_hw_vpath_card_info_get(
- u32 vp_id,
- struct vxge_hw_vpath_reg __iomem *vpath_reg,
- struct vxge_hw_device_hw_info *hw_info);
+__vxge_hw_device_register_poll(void __iomem *reg, u64 mask, u32 max_millis)
+{
+ u64 val64;
+ u32 i = 0;
+ enum vxge_hw_status ret = VXGE_HW_FAIL;
-static enum vxge_hw_status
-__vxge_hw_device_initialize(struct __vxge_hw_device *hldev);
+ udelay(10);
-static void
-__vxge_hw_device_pci_e_init(struct __vxge_hw_device *hldev);
+ do {
+ val64 = readq(reg);
+ if (!(val64 & mask))
+ return VXGE_HW_OK;
+ udelay(100);
+ } while (++i <= 9);
-static enum vxge_hw_status
-__vxge_hw_device_reg_addr_get(struct __vxge_hw_device *hldev);
+ i = 0;
+ do {
+ val64 = readq(reg);
+ if (!(val64 & mask))
+ return VXGE_HW_OK;
+ mdelay(1);
+ } while (++i <= max_millis);
-static enum vxge_hw_status
-__vxge_hw_device_register_poll(
- void __iomem *reg,
- u64 mask, u32 max_millis);
+ return ret;
+}
static inline enum vxge_hw_status
__vxge_hw_pio_mem_write64(u64 val64, void __iomem *addr,
{
__vxge_hw_pio_mem_write32_lower((u32)vxge_bVALn(val64, 32, 32), addr);
wmb();
-
__vxge_hw_pio_mem_write32_upper((u32)vxge_bVALn(val64, 0, 32), addr);
wmb();
- return __vxge_hw_device_register_poll(addr, mask, max_millis);
+ return __vxge_hw_device_register_poll(addr, mask, max_millis);
}
-static struct vxge_hw_mempool*
-__vxge_hw_mempool_create(struct __vxge_hw_device *devh, u32 memblock_size,
- u32 item_size, u32 private_size, u32 items_initial,
- u32 items_max, struct vxge_hw_mempool_cbs *mp_callback,
- void *userdata);
-static void __vxge_hw_mempool_destroy(struct vxge_hw_mempool *mempool);
-
static enum vxge_hw_status
-__vxge_hw_vpath_stats_get(struct __vxge_hw_virtualpath *vpath,
- struct vxge_hw_vpath_stats_hw_info *hw_stats);
+vxge_hw_vpath_fw_api(struct __vxge_hw_virtualpath *vpath, u32 action,
+ u32 fw_memo, u32 offset, u64 *data0, u64 *data1,
+ u64 *steer_ctrl)
+{
+ struct vxge_hw_vpath_reg __iomem *vp_reg;
+ enum vxge_hw_status status;
+ u64 val64;
+ u32 retry = 0, max_retry = 100;
-static enum vxge_hw_status
-vxge_hw_vpath_stats_enable(struct __vxge_hw_vpath_handle *vpath_handle);
+ vp_reg = vpath->vp_reg;
-static enum vxge_hw_status
-__vxge_hw_legacy_swapper_set(struct vxge_hw_legacy_reg __iomem *legacy_reg);
+ if (vpath->vp_open) {
+ max_retry = 3;
+ spin_lock(&vpath->lock);
+ }
-static u64
-__vxge_hw_vpath_pci_func_mode_get(u32 vp_id,
- struct vxge_hw_vpath_reg __iomem *vpath_reg);
+ writeq(*data0, &vp_reg->rts_access_steer_data0);
+ writeq(*data1, &vp_reg->rts_access_steer_data1);
+ wmb();
-static u32
-__vxge_hw_vpath_func_id_get(u32 vp_id, struct vxge_hw_vpmgmt_reg __iomem *vpmgmt_reg);
+ val64 = VXGE_HW_RTS_ACCESS_STEER_CTRL_ACTION(action) |
+ VXGE_HW_RTS_ACCESS_STEER_CTRL_DATA_STRUCT_SEL(fw_memo) |
+ VXGE_HW_RTS_ACCESS_STEER_CTRL_OFFSET(offset) |
+ VXGE_HW_RTS_ACCESS_STEER_CTRL_STROBE |
+ *steer_ctrl;
-static enum vxge_hw_status
-__vxge_hw_vpath_addr_get(u32 vp_id, struct vxge_hw_vpath_reg __iomem *vpath_reg,
- u8 (macaddr)[ETH_ALEN], u8 (macaddr_mask)[ETH_ALEN]);
+ status = __vxge_hw_pio_mem_write64(val64,
+ &vp_reg->rts_access_steer_ctrl,
+ VXGE_HW_RTS_ACCESS_STEER_CTRL_STROBE,
+ VXGE_HW_DEF_DEVICE_POLL_MILLIS);
+
+ /* The __vxge_hw_device_register_poll can udelay for a significant
+ * amount of time, blocking other proccess from the CPU. If it delays
+ * for ~5secs, a NMI error can occur. A way around this is to give up
+ * the processor via msleep, but this is not allowed is under lock.
+ * So, only allow it to sleep for ~4secs if open. Otherwise, delay for
+ * 1sec and sleep for 10ms until the firmware operation has completed
+ * or timed-out.
+ */
+ while ((status != VXGE_HW_OK) && retry++ < max_retry) {
+ if (!vpath->vp_open)
+ msleep(20);
+ status = __vxge_hw_device_register_poll(
+ &vp_reg->rts_access_steer_ctrl,
+ VXGE_HW_RTS_ACCESS_STEER_CTRL_STROBE,
+ VXGE_HW_DEF_DEVICE_POLL_MILLIS);
+ }
-static enum vxge_hw_status
-__vxge_hw_vpath_reset_check(struct __vxge_hw_virtualpath *vpath);
+ if (status != VXGE_HW_OK)
+ goto out;
+ val64 = readq(&vp_reg->rts_access_steer_ctrl);
+ if (val64 & VXGE_HW_RTS_ACCESS_STEER_CTRL_RMACJ_STATUS) {
+ *data0 = readq(&vp_reg->rts_access_steer_data0);
+ *data1 = readq(&vp_reg->rts_access_steer_data1);
+ *steer_ctrl = val64;
+ } else
+ status = VXGE_HW_FAIL;
-static enum vxge_hw_status
-__vxge_hw_vpath_sw_reset(struct __vxge_hw_device *devh, u32 vp_id);
+out:
+ if (vpath->vp_open)
+ spin_unlock(&vpath->lock);
+ return status;
+}
-static enum vxge_hw_status
-__vxge_hw_vpath_fw_ver_get(u32 vp_id, struct vxge_hw_vpath_reg __iomem *vpath_reg,
- struct vxge_hw_device_hw_info *hw_info);
+enum vxge_hw_status
+vxge_hw_upgrade_read_version(struct __vxge_hw_device *hldev, u32 *major,
+ u32 *minor, u32 *build)
+{
+ u64 data0 = 0, data1 = 0, steer_ctrl = 0;
+ struct __vxge_hw_virtualpath *vpath;
+ enum vxge_hw_status status;
-static enum vxge_hw_status
-__vxge_hw_vpath_mac_configure(struct __vxge_hw_device *devh, u32 vp_id);
+ vpath = &hldev->virtual_paths[hldev->first_vp_id];
-static void
-__vxge_hw_vp_terminate(struct __vxge_hw_device *devh, u32 vp_id);
+ status = vxge_hw_vpath_fw_api(vpath,
+ VXGE_HW_FW_UPGRADE_ACTION,
+ VXGE_HW_FW_UPGRADE_MEMO,
+ VXGE_HW_FW_UPGRADE_OFFSET_READ,
+ &data0, &data1, &steer_ctrl);
+ if (status != VXGE_HW_OK)
+ return status;
-static enum vxge_hw_status
-__vxge_hw_vpath_stats_access(struct __vxge_hw_virtualpath *vpath,
- u32 operation, u32 offset, u64 *stat);
+ *major = VXGE_HW_RTS_ACCESS_STEER_DATA0_GET_FW_VER_MAJOR(data0);
+ *minor = VXGE_HW_RTS_ACCESS_STEER_DATA0_GET_FW_VER_MINOR(data0);
+ *build = VXGE_HW_RTS_ACCESS_STEER_DATA0_GET_FW_VER_BUILD(data0);
-static enum vxge_hw_status
-__vxge_hw_vpath_xmac_tx_stats_get(struct __vxge_hw_virtualpath *vpath,
- struct vxge_hw_xmac_vpath_tx_stats *vpath_tx_stats);
+ return status;
+}
-static enum vxge_hw_status
-__vxge_hw_vpath_xmac_rx_stats_get(struct __vxge_hw_virtualpath *vpath,
- struct vxge_hw_xmac_vpath_rx_stats *vpath_rx_stats);
+enum vxge_hw_status vxge_hw_flash_fw(struct __vxge_hw_device *hldev)
+{
+ u64 data0 = 0, data1 = 0, steer_ctrl = 0;
+ struct __vxge_hw_virtualpath *vpath;
+ enum vxge_hw_status status;
+ u32 ret;
-/*
- * __vxge_hw_channel_allocate - Allocate memory for channel
- * This function allocates required memory for the channel and various arrays
- * in the channel
- */
-struct __vxge_hw_channel*
-__vxge_hw_channel_allocate(struct __vxge_hw_vpath_handle *vph,
- enum __vxge_hw_channel_type type,
- u32 length, u32 per_dtr_space, void *userdata)
+ vpath = &hldev->virtual_paths[hldev->first_vp_id];
+
+ status = vxge_hw_vpath_fw_api(vpath,
+ VXGE_HW_FW_UPGRADE_ACTION,
+ VXGE_HW_FW_UPGRADE_MEMO,
+ VXGE_HW_FW_UPGRADE_OFFSET_COMMIT,
+ &data0, &data1, &steer_ctrl);
+ if (status != VXGE_HW_OK) {
+ vxge_debug_init(VXGE_ERR, "%s: FW upgrade failed", __func__);
+ goto exit;
+ }
+
+ ret = VXGE_HW_RTS_ACCESS_STEER_CTRL_GET_ACTION(steer_ctrl) & 0x7F;
+ if (ret != 1) {
+ vxge_debug_init(VXGE_ERR, "%s: FW commit failed with error %d",
+ __func__, ret);
+ status = VXGE_HW_FAIL;
+ }
+
+exit:
+ return status;
+}
+
+enum vxge_hw_status
+vxge_update_fw_image(struct __vxge_hw_device *hldev, const u8 *fwdata, int size)
{
- struct __vxge_hw_channel *channel;
- struct __vxge_hw_device *hldev;
- int size = 0;
- u32 vp_id;
+ u64 data0 = 0, data1 = 0, steer_ctrl = 0;
+ struct __vxge_hw_virtualpath *vpath;
+ enum vxge_hw_status status;
+ int ret_code, sec_code;
- hldev = vph->vpath->hldev;
- vp_id = vph->vpath->vp_id;
+ vpath = &hldev->virtual_paths[hldev->first_vp_id];
- switch (type) {
- case VXGE_HW_CHANNEL_TYPE_FIFO:
- size = sizeof(struct __vxge_hw_fifo);
- break;
- case VXGE_HW_CHANNEL_TYPE_RING:
- size = sizeof(struct __vxge_hw_ring);
- break;
- default:
- break;
+ /* send upgrade start command */
+ status = vxge_hw_vpath_fw_api(vpath,
+ VXGE_HW_FW_UPGRADE_ACTION,
+ VXGE_HW_FW_UPGRADE_MEMO,
+ VXGE_HW_FW_UPGRADE_OFFSET_START,
+ &data0, &data1, &steer_ctrl);
+ if (status != VXGE_HW_OK) {
+ vxge_debug_init(VXGE_ERR, " %s: Upgrade start cmd failed",
+ __func__);
+ return status;
}
- channel = kzalloc(size, GFP_KERNEL);
- if (channel == NULL)
- goto exit0;
- INIT_LIST_HEAD(&channel->item);
+ /* Transfer fw image to adapter 16 bytes at a time */
+ for (; size > 0; size -= VXGE_HW_FW_UPGRADE_BLK_SIZE) {
+ steer_ctrl = 0;
- channel->common_reg = hldev->common_reg;
- channel->first_vp_id = hldev->first_vp_id;
- channel->type = type;
- channel->devh = hldev;
- channel->vph = vph;
- channel->userdata = userdata;
- channel->per_dtr_space = per_dtr_space;
- channel->length = length;
- channel->vp_id = vp_id;
+ /* The next 128bits of fwdata to be loaded onto the adapter */
+ data0 = *((u64 *)fwdata);
+ data1 = *((u64 *)fwdata + 1);
- channel->work_arr = kzalloc(sizeof(void *)*length, GFP_KERNEL);
- if (channel->work_arr == NULL)
- goto exit1;
+ status = vxge_hw_vpath_fw_api(vpath,
+ VXGE_HW_FW_UPGRADE_ACTION,
+ VXGE_HW_FW_UPGRADE_MEMO,
+ VXGE_HW_FW_UPGRADE_OFFSET_SEND,
+ &data0, &data1, &steer_ctrl);
+ if (status != VXGE_HW_OK) {
+ vxge_debug_init(VXGE_ERR, "%s: Upgrade send failed",
+ __func__);
+ goto out;
+ }
- channel->free_arr = kzalloc(sizeof(void *)*length, GFP_KERNEL);
- if (channel->free_arr == NULL)
- goto exit1;
- channel->free_ptr = length;
+ ret_code = VXGE_HW_UPGRADE_GET_RET_ERR_CODE(data0);
+ switch (ret_code) {
+ case VXGE_HW_FW_UPGRADE_OK:
+ /* All OK, send next 16 bytes. */
+ break;
+ case VXGE_FW_UPGRADE_BYTES2SKIP:
+ /* skip bytes in the stream */
+ fwdata += (data0 >> 8) & 0xFFFFFFFF;
+ break;
+ case VXGE_HW_FW_UPGRADE_DONE:
+ goto out;
+ case VXGE_HW_FW_UPGRADE_ERR:
+ sec_code = VXGE_HW_UPGRADE_GET_SEC_ERR_CODE(data0);
+ switch (sec_code) {
+ case VXGE_HW_FW_UPGRADE_ERR_CORRUPT_DATA_1:
+ case VXGE_HW_FW_UPGRADE_ERR_CORRUPT_DATA_7:
+ printk(KERN_ERR
+ "corrupted data from .ncf file\n");
+ break;
+ case VXGE_HW_FW_UPGRADE_ERR_INV_NCF_FILE_3:
+ case VXGE_HW_FW_UPGRADE_ERR_INV_NCF_FILE_4:
+ case VXGE_HW_FW_UPGRADE_ERR_INV_NCF_FILE_5:
+ case VXGE_HW_FW_UPGRADE_ERR_INV_NCF_FILE_6:
+ case VXGE_HW_FW_UPGRADE_ERR_INV_NCF_FILE_8:
+ printk(KERN_ERR "invalid .ncf file\n");
+ break;
+ case VXGE_HW_FW_UPGRADE_ERR_BUFFER_OVERFLOW:
+ printk(KERN_ERR "buffer overflow\n");
+ break;
+ case VXGE_HW_FW_UPGRADE_ERR_FAILED_TO_FLASH:
+ printk(KERN_ERR "failed to flash the image\n");
+ break;
+ case VXGE_HW_FW_UPGRADE_ERR_GENERIC_ERROR_UNKNOWN:
+ printk(KERN_ERR
+ "generic error. Unknown error type\n");
+ break;
+ default:
+ printk(KERN_ERR "Unknown error of type %d\n",
+ sec_code);
+ break;
+ }
+ status = VXGE_HW_FAIL;
+ goto out;
+ default:
+ printk(KERN_ERR "Unknown FW error: %d\n", ret_code);
+ status = VXGE_HW_FAIL;
+ goto out;
+ }
+ /* point to next 16 bytes */
+ fwdata += VXGE_HW_FW_UPGRADE_BLK_SIZE;
+ }
+out:
+ return status;
+}
- channel->reserve_arr = kzalloc(sizeof(void *)*length, GFP_KERNEL);
- if (channel->reserve_arr == NULL)
- goto exit1;
- channel->reserve_ptr = length;
- channel->reserve_top = 0;
+enum vxge_hw_status
+vxge_hw_vpath_eprom_img_ver_get(struct __vxge_hw_device *hldev,
+ struct eprom_image *img)
+{
+ u64 data0 = 0, data1 = 0, steer_ctrl = 0;
+ struct __vxge_hw_virtualpath *vpath;
+ enum vxge_hw_status status;
+ int i;
- channel->orig_arr = kzalloc(sizeof(void *)*length, GFP_KERNEL);
- if (channel->orig_arr == NULL)
- goto exit1;
+ vpath = &hldev->virtual_paths[hldev->first_vp_id];
- return channel;
-exit1:
- __vxge_hw_channel_free(channel);
+ for (i = 0; i < VXGE_HW_MAX_ROM_IMAGES; i++) {
+ data0 = VXGE_HW_RTS_ACCESS_STEER_ROM_IMAGE_INDEX(i);
+ data1 = steer_ctrl = 0;
-exit0:
- return NULL;
+ status = vxge_hw_vpath_fw_api(vpath,
+ VXGE_HW_RTS_ACCESS_STEER_CTRL_DATA_STRUCT_SEL_FW_MEMO,
+ VXGE_HW_FW_API_GET_EPROM_REV,
+ 0, &data0, &data1, &steer_ctrl);
+ if (status != VXGE_HW_OK)
+ break;
+
+ img[i].is_valid = VXGE_HW_GET_EPROM_IMAGE_VALID(data0);
+ img[i].index = VXGE_HW_GET_EPROM_IMAGE_INDEX(data0);
+ img[i].type = VXGE_HW_GET_EPROM_IMAGE_TYPE(data0);
+ img[i].version = VXGE_HW_GET_EPROM_IMAGE_REV(data0);
+ }
+
+ return status;
}
/*
* This function deallocates memory from the channel and various arrays
* in the channel
*/
-void __vxge_hw_channel_free(struct __vxge_hw_channel *channel)
+static void __vxge_hw_channel_free(struct __vxge_hw_channel *channel)
{
kfree(channel->work_arr);
kfree(channel->free_arr);
* This function initializes a channel by properly setting the
* various references
*/
-enum vxge_hw_status
+static enum vxge_hw_status
__vxge_hw_channel_initialize(struct __vxge_hw_channel *channel)
{
u32 i;
* __vxge_hw_channel_reset - Resets a channel
* This function resets a channel by properly setting the various references
*/
-enum vxge_hw_status
+static enum vxge_hw_status
__vxge_hw_channel_reset(struct __vxge_hw_channel *channel)
{
u32 i;
* Initialize certain PCI/PCI-X configuration registers
* with recommended values. Save config space for future hw resets.
*/
-void
-__vxge_hw_device_pci_e_init(struct __vxge_hw_device *hldev)
+static void __vxge_hw_device_pci_e_init(struct __vxge_hw_device *hldev)
{
u16 cmd = 0;
pci_save_state(hldev->pdev);
}
+/* __vxge_hw_device_vpath_reset_in_prog_check - Check if vpath reset
+ * in progress
+ * This routine checks the vpath reset in progress register is turned zero
+ */
+static enum vxge_hw_status
+__vxge_hw_device_vpath_reset_in_prog_check(u64 __iomem *vpath_rst_in_prog)
+{
+ enum vxge_hw_status status;
+ status = __vxge_hw_device_register_poll(vpath_rst_in_prog,
+ VXGE_HW_VPATH_RST_IN_PROG_VPATH_RST_IN_PROG(0x1ffff),
+ VXGE_HW_DEF_DEVICE_POLL_MILLIS);
+ return status;
+}
+
/*
- * __vxge_hw_device_register_poll
- * Will poll certain register for specified amount of time.
- * Will poll until masked bit is not cleared.
+ * _hw_legacy_swapper_set - Set the swapper bits for the legacy secion.
+ * Set the swapper bits appropriately for the lagacy section.
*/
static enum vxge_hw_status
-__vxge_hw_device_register_poll(void __iomem *reg, u64 mask, u32 max_millis)
+__vxge_hw_legacy_swapper_set(struct vxge_hw_legacy_reg __iomem *legacy_reg)
{
u64 val64;
- u32 i = 0;
- enum vxge_hw_status ret = VXGE_HW_FAIL;
+ enum vxge_hw_status status = VXGE_HW_OK;
- udelay(10);
+ val64 = readq(&legacy_reg->toc_swapper_fb);
- do {
- val64 = readq(reg);
- if (!(val64 & mask))
- return VXGE_HW_OK;
- udelay(100);
- } while (++i <= 9);
+ wmb();
- i = 0;
- do {
- val64 = readq(reg);
- if (!(val64 & mask))
- return VXGE_HW_OK;
- mdelay(1);
- } while (++i <= max_millis);
+ switch (val64) {
+ case VXGE_HW_SWAPPER_INITIAL_VALUE:
+ return status;
- return ret;
-}
+ case VXGE_HW_SWAPPER_BYTE_SWAPPED_BIT_FLIPPED:
+ writeq(VXGE_HW_SWAPPER_READ_BYTE_SWAP_ENABLE,
+ &legacy_reg->pifm_rd_swap_en);
+ writeq(VXGE_HW_SWAPPER_READ_BIT_FLAP_ENABLE,
+ &legacy_reg->pifm_rd_flip_en);
+ writeq(VXGE_HW_SWAPPER_WRITE_BYTE_SWAP_ENABLE,
+ &legacy_reg->pifm_wr_swap_en);
+ writeq(VXGE_HW_SWAPPER_WRITE_BIT_FLAP_ENABLE,
+ &legacy_reg->pifm_wr_flip_en);
+ break;
+
+ case VXGE_HW_SWAPPER_BYTE_SWAPPED:
+ writeq(VXGE_HW_SWAPPER_READ_BYTE_SWAP_ENABLE,
+ &legacy_reg->pifm_rd_swap_en);
+ writeq(VXGE_HW_SWAPPER_WRITE_BYTE_SWAP_ENABLE,
+ &legacy_reg->pifm_wr_swap_en);
+ break;
+
+ case VXGE_HW_SWAPPER_BIT_FLIPPED:
+ writeq(VXGE_HW_SWAPPER_READ_BIT_FLAP_ENABLE,
+ &legacy_reg->pifm_rd_flip_en);
+ writeq(VXGE_HW_SWAPPER_WRITE_BIT_FLAP_ENABLE,
+ &legacy_reg->pifm_wr_flip_en);
+ break;
+ }
+
+ wmb();
+
+ val64 = readq(&legacy_reg->toc_swapper_fb);
+
+ if (val64 != VXGE_HW_SWAPPER_INITIAL_VALUE)
+ status = VXGE_HW_ERR_SWAPPER_CTRL;
- /* __vxge_hw_device_vpath_reset_in_prog_check - Check if vpath reset
- * in progress
- * This routine checks the vpath reset in progress register is turned zero
- */
-static enum vxge_hw_status
-__vxge_hw_device_vpath_reset_in_prog_check(u64 __iomem *vpath_rst_in_prog)
-{
- enum vxge_hw_status status;
- status = __vxge_hw_device_register_poll(vpath_rst_in_prog,
- VXGE_HW_VPATH_RST_IN_PROG_VPATH_RST_IN_PROG(0x1ffff),
- VXGE_HW_DEF_DEVICE_POLL_MILLIS);
return status;
}
* register location pointers in the device object. It waits until the ric is
* completed initializing registers.
*/
-enum vxge_hw_status
+static enum vxge_hw_status
__vxge_hw_device_reg_addr_get(struct __vxge_hw_device *hldev)
{
u64 val64;
return status;
}
-/*
- * __vxge_hw_device_id_get
- * This routine returns sets the device id and revision numbers into the device
- * structure
- */
-void __vxge_hw_device_id_get(struct __vxge_hw_device *hldev)
-{
- u64 val64;
-
- val64 = readq(&hldev->common_reg->titan_asic_id);
- hldev->device_id =
- (u16)VXGE_HW_TITAN_ASIC_ID_GET_INITIAL_DEVICE_ID(val64);
-
- hldev->major_revision =
- (u8)VXGE_HW_TITAN_ASIC_ID_GET_INITIAL_MAJOR_REVISION(val64);
-
- hldev->minor_revision =
- (u8)VXGE_HW_TITAN_ASIC_ID_GET_INITIAL_MINOR_REVISION(val64);
-}
-
/*
* __vxge_hw_device_access_rights_get: Get Access Rights of the driver
* This routine returns the Access Rights of the driver
return VXGE_HW_ERR_PRIVILAGED_OPEARATION;
}
+/*
+ * __vxge_hw_vpath_func_id_get - Get the function id of the vpath.
+ * Returns the function number of the vpath.
+ */
+static u32
+__vxge_hw_vpath_func_id_get(struct vxge_hw_vpmgmt_reg __iomem *vpmgmt_reg)
+{
+ u64 val64;
+
+ val64 = readq(&vpmgmt_reg->vpath_to_func_map_cfg1);
+
+ return
+ (u32)VXGE_HW_VPATH_TO_FUNC_MAP_CFG1_GET_VPATH_TO_FUNC_MAP_CFG1(val64);
+}
+
/*
* __vxge_hw_device_host_info_get
* This routine returns the host type assignments
*/
-void __vxge_hw_device_host_info_get(struct __vxge_hw_device *hldev)
+static void __vxge_hw_device_host_info_get(struct __vxge_hw_device *hldev)
{
u64 val64;
u32 i;
hldev->vpath_assignments = readq(&hldev->common_reg->vpath_assignments);
for (i = 0; i < VXGE_HW_MAX_VIRTUAL_PATHS; i++) {
-
if (!(hldev->vpath_assignments & vxge_mBIT(i)))
continue;
hldev->func_id =
- __vxge_hw_vpath_func_id_get(i, hldev->vpmgmt_reg[i]);
+ __vxge_hw_vpath_func_id_get(hldev->vpmgmt_reg[i]);
hldev->access_rights = __vxge_hw_device_access_rights_get(
hldev->host_type, hldev->func_id);
+ hldev->virtual_paths[i].vp_open = VXGE_HW_VP_NOT_OPEN;
+ hldev->virtual_paths[i].vp_reg = hldev->vpath_reg[i];
+
hldev->first_vp_id = i;
break;
}
* __vxge_hw_device_initialize
* Initialize Titan-V hardware.
*/
-enum vxge_hw_status __vxge_hw_device_initialize(struct __vxge_hw_device *hldev)
+static enum vxge_hw_status
+__vxge_hw_device_initialize(struct __vxge_hw_device *hldev)
{
enum vxge_hw_status status = VXGE_HW_OK;
return status;
}
+/*
+ * __vxge_hw_vpath_fw_ver_get - Get the fw version
+ * Returns FW Version
+ */
+static enum vxge_hw_status
+__vxge_hw_vpath_fw_ver_get(struct __vxge_hw_virtualpath *vpath,
+ struct vxge_hw_device_hw_info *hw_info)
+{
+ struct vxge_hw_device_version *fw_version = &hw_info->fw_version;
+ struct vxge_hw_device_date *fw_date = &hw_info->fw_date;
+ struct vxge_hw_device_version *flash_version = &hw_info->flash_version;
+ struct vxge_hw_device_date *flash_date = &hw_info->flash_date;
+ u64 data0, data1 = 0, steer_ctrl = 0;
+ enum vxge_hw_status status;
+
+ status = vxge_hw_vpath_fw_api(vpath,
+ VXGE_HW_RTS_ACCESS_STEER_CTRL_ACTION_READ_ENTRY,
+ VXGE_HW_RTS_ACCESS_STEER_CTRL_DATA_STRUCT_SEL_FW_MEMO,
+ 0, &data0, &data1, &steer_ctrl);
+ if (status != VXGE_HW_OK)
+ goto exit;
+
+ fw_date->day =
+ (u32) VXGE_HW_RTS_ACCESS_STEER_DATA0_GET_FW_VER_DAY(data0);
+ fw_date->month =
+ (u32) VXGE_HW_RTS_ACCESS_STEER_DATA0_GET_FW_VER_MONTH(data0);
+ fw_date->year =
+ (u32) VXGE_HW_RTS_ACCESS_STEER_DATA0_GET_FW_VER_YEAR(data0);
+
+ snprintf(fw_date->date, VXGE_HW_FW_STRLEN, "%2.2d/%2.2d/%4.4d",
+ fw_date->month, fw_date->day, fw_date->year);
+
+ fw_version->major =
+ (u32) VXGE_HW_RTS_ACCESS_STEER_DATA0_GET_FW_VER_MAJOR(data0);
+ fw_version->minor =
+ (u32) VXGE_HW_RTS_ACCESS_STEER_DATA0_GET_FW_VER_MINOR(data0);
+ fw_version->build =
+ (u32) VXGE_HW_RTS_ACCESS_STEER_DATA0_GET_FW_VER_BUILD(data0);
+
+ snprintf(fw_version->version, VXGE_HW_FW_STRLEN, "%d.%d.%d",
+ fw_version->major, fw_version->minor, fw_version->build);
+
+ flash_date->day =
+ (u32) VXGE_HW_RTS_ACCESS_STEER_DATA1_GET_FLASH_VER_DAY(data1);
+ flash_date->month =
+ (u32) VXGE_HW_RTS_ACCESS_STEER_DATA1_GET_FLASH_VER_MONTH(data1);
+ flash_date->year =
+ (u32) VXGE_HW_RTS_ACCESS_STEER_DATA1_GET_FLASH_VER_YEAR(data1);
+
+ snprintf(flash_date->date, VXGE_HW_FW_STRLEN, "%2.2d/%2.2d/%4.4d",
+ flash_date->month, flash_date->day, flash_date->year);
+
+ flash_version->major =
+ (u32) VXGE_HW_RTS_ACCESS_STEER_DATA1_GET_FLASH_VER_MAJOR(data1);
+ flash_version->minor =
+ (u32) VXGE_HW_RTS_ACCESS_STEER_DATA1_GET_FLASH_VER_MINOR(data1);
+ flash_version->build =
+ (u32) VXGE_HW_RTS_ACCESS_STEER_DATA1_GET_FLASH_VER_BUILD(data1);
+
+ snprintf(flash_version->version, VXGE_HW_FW_STRLEN, "%d.%d.%d",
+ flash_version->major, flash_version->minor,
+ flash_version->build);
+
+exit:
+ return status;
+}
+
+/*
+ * __vxge_hw_vpath_card_info_get - Get the serial numbers,
+ * part number and product description.
+ */
+static enum vxge_hw_status
+__vxge_hw_vpath_card_info_get(struct __vxge_hw_virtualpath *vpath,
+ struct vxge_hw_device_hw_info *hw_info)
+{
+ enum vxge_hw_status status;
+ u64 data0, data1 = 0, steer_ctrl = 0;
+ u8 *serial_number = hw_info->serial_number;
+ u8 *part_number = hw_info->part_number;
+ u8 *product_desc = hw_info->product_desc;
+ u32 i, j = 0;
+
+ data0 = VXGE_HW_RTS_ACCESS_STEER_DATA0_MEMO_ITEM_SERIAL_NUMBER;
+
+ status = vxge_hw_vpath_fw_api(vpath,
+ VXGE_HW_RTS_ACCESS_STEER_CTRL_ACTION_READ_MEMO_ENTRY,
+ VXGE_HW_RTS_ACCESS_STEER_CTRL_DATA_STRUCT_SEL_FW_MEMO,
+ 0, &data0, &data1, &steer_ctrl);
+ if (status != VXGE_HW_OK)
+ return status;
+
+ ((u64 *)serial_number)[0] = be64_to_cpu(data0);
+ ((u64 *)serial_number)[1] = be64_to_cpu(data1);
+
+ data0 = VXGE_HW_RTS_ACCESS_STEER_DATA0_MEMO_ITEM_PART_NUMBER;
+ data1 = steer_ctrl = 0;
+
+ status = vxge_hw_vpath_fw_api(vpath,
+ VXGE_HW_RTS_ACCESS_STEER_CTRL_ACTION_READ_MEMO_ENTRY,
+ VXGE_HW_RTS_ACCESS_STEER_CTRL_DATA_STRUCT_SEL_FW_MEMO,
+ 0, &data0, &data1, &steer_ctrl);
+ if (status != VXGE_HW_OK)
+ return status;
+
+ ((u64 *)part_number)[0] = be64_to_cpu(data0);
+ ((u64 *)part_number)[1] = be64_to_cpu(data1);
+
+ for (i = VXGE_HW_RTS_ACCESS_STEER_DATA0_MEMO_ITEM_DESC_0;
+ i <= VXGE_HW_RTS_ACCESS_STEER_DATA0_MEMO_ITEM_DESC_3; i++) {
+ data0 = i;
+ data1 = steer_ctrl = 0;
+
+ status = vxge_hw_vpath_fw_api(vpath,
+ VXGE_HW_RTS_ACCESS_STEER_CTRL_ACTION_READ_MEMO_ENTRY,
+ VXGE_HW_RTS_ACCESS_STEER_CTRL_DATA_STRUCT_SEL_FW_MEMO,
+ 0, &data0, &data1, &steer_ctrl);
+ if (status != VXGE_HW_OK)
+ return status;
+
+ ((u64 *)product_desc)[j++] = be64_to_cpu(data0);
+ ((u64 *)product_desc)[j++] = be64_to_cpu(data1);
+ }
+
+ return status;
+}
+
+/*
+ * __vxge_hw_vpath_pci_func_mode_get - Get the pci mode
+ * Returns pci function mode
+ */
+static enum vxge_hw_status
+__vxge_hw_vpath_pci_func_mode_get(struct __vxge_hw_virtualpath *vpath,
+ struct vxge_hw_device_hw_info *hw_info)
+{
+ u64 data0, data1 = 0, steer_ctrl = 0;
+ enum vxge_hw_status status;
+
+ data0 = 0;
+
+ status = vxge_hw_vpath_fw_api(vpath,
+ VXGE_HW_FW_API_GET_FUNC_MODE,
+ VXGE_HW_RTS_ACCESS_STEER_CTRL_DATA_STRUCT_SEL_FW_MEMO,
+ 0, &data0, &data1, &steer_ctrl);
+ if (status != VXGE_HW_OK)
+ return status;
+
+ hw_info->function_mode = VXGE_HW_GET_FUNC_MODE_VAL(data0);
+ return status;
+}
+
+/*
+ * __vxge_hw_vpath_addr_get - Get the hw address entry for this vpath
+ * from MAC address table.
+ */
+static enum vxge_hw_status
+__vxge_hw_vpath_addr_get(struct __vxge_hw_virtualpath *vpath,
+ u8 *macaddr, u8 *macaddr_mask)
+{
+ u64 action = VXGE_HW_RTS_ACCESS_STEER_CTRL_ACTION_LIST_FIRST_ENTRY,
+ data0 = 0, data1 = 0, steer_ctrl = 0;
+ enum vxge_hw_status status;
+ int i;
+
+ do {
+ status = vxge_hw_vpath_fw_api(vpath, action,
+ VXGE_HW_RTS_ACCESS_STEER_CTRL_DATA_STRUCT_SEL_DA,
+ 0, &data0, &data1, &steer_ctrl);
+ if (status != VXGE_HW_OK)
+ goto exit;
+
+ data0 = VXGE_HW_RTS_ACCESS_STEER_DATA0_GET_DA_MAC_ADDR(data0);
+ data1 = VXGE_HW_RTS_ACCESS_STEER_DATA1_GET_DA_MAC_ADDR_MASK(
+ data1);
+
+ for (i = ETH_ALEN; i > 0; i--) {
+ macaddr[i - 1] = (u8) (data0 & 0xFF);
+ data0 >>= 8;
+
+ macaddr_mask[i - 1] = (u8) (data1 & 0xFF);
+ data1 >>= 8;
+ }
+
+ action = VXGE_HW_RTS_ACCESS_STEER_CTRL_ACTION_LIST_NEXT_ENTRY;
+ data0 = 0, data1 = 0, steer_ctrl = 0;
+
+ } while (!is_valid_ether_addr(macaddr));
+exit:
+ return status;
+}
+
/**
* vxge_hw_device_hw_info_get - Get the hw information
* Returns the vpath mask that has the bits set for each vpath allocated
struct vxge_hw_toc_reg __iomem *toc;
struct vxge_hw_mrpcim_reg __iomem *mrpcim_reg;
struct vxge_hw_common_reg __iomem *common_reg;
- struct vxge_hw_vpath_reg __iomem *vpath_reg;
struct vxge_hw_vpmgmt_reg __iomem *vpmgmt_reg;
enum vxge_hw_status status;
+ struct __vxge_hw_virtualpath vpath;
memset(hw_info, 0, sizeof(struct vxge_hw_device_hw_info));
(u32)VXGE_HW_HOST_TYPE_ASSIGNMENTS_GET_HOST_TYPE_ASSIGNMENTS(val64);
for (i = 0; i < VXGE_HW_MAX_VIRTUAL_PATHS; i++) {
-
if (!((hw_info->vpath_mask) & vxge_mBIT(i)))
continue;
vpmgmt_reg = (struct vxge_hw_vpmgmt_reg __iomem *)
(bar0 + val64);
- hw_info->func_id = __vxge_hw_vpath_func_id_get(i, vpmgmt_reg);
+ hw_info->func_id = __vxge_hw_vpath_func_id_get(vpmgmt_reg);
if (__vxge_hw_device_access_rights_get(hw_info->host_type,
hw_info->func_id) &
VXGE_HW_DEVICE_ACCESS_RIGHT_MRPCIM) {
val64 = readq(&toc->toc_vpath_pointer[i]);
- vpath_reg = (struct vxge_hw_vpath_reg __iomem *)(bar0 + val64);
+ vpath.vp_reg = (struct vxge_hw_vpath_reg __iomem *)
+ (bar0 + val64);
+ vpath.vp_open = 0;
- hw_info->function_mode =
- __vxge_hw_vpath_pci_func_mode_get(i, vpath_reg);
+ status = __vxge_hw_vpath_pci_func_mode_get(&vpath, hw_info);
+ if (status != VXGE_HW_OK)
+ goto exit;
- status = __vxge_hw_vpath_fw_ver_get(i, vpath_reg, hw_info);
+ status = __vxge_hw_vpath_fw_ver_get(&vpath, hw_info);
if (status != VXGE_HW_OK)
goto exit;
- status = __vxge_hw_vpath_card_info_get(i, vpath_reg, hw_info);
+ status = __vxge_hw_vpath_card_info_get(&vpath, hw_info);
if (status != VXGE_HW_OK)
goto exit;
}
for (i = 0; i < VXGE_HW_MAX_VIRTUAL_PATHS; i++) {
-
if (!((hw_info->vpath_mask) & vxge_mBIT(i)))
continue;
val64 = readq(&toc->toc_vpath_pointer[i]);
- vpath_reg = (struct vxge_hw_vpath_reg __iomem *)(bar0 + val64);
+ vpath.vp_reg = (struct vxge_hw_vpath_reg __iomem *)
+ (bar0 + val64);
+ vpath.vp_open = 0;
- status = __vxge_hw_vpath_addr_get(i, vpath_reg,
+ status = __vxge_hw_vpath_addr_get(&vpath,
hw_info->mac_addrs[i],
hw_info->mac_addr_masks[i]);
if (status != VXGE_HW_OK)
}
/*
- * vxge_hw_device_initialize - Initialize Titan device.
- * Initialize Titan device. Note that all the arguments of this public API
- * are 'IN', including @hldev. Driver cooperates with
- * OS to find new Titan device, locate its PCI and memory spaces.
- *
- * When done, the driver allocates sizeof(struct __vxge_hw_device) bytes for HW
- * to enable the latter to perform Titan hardware initialization.
+ * __vxge_hw_blockpool_destroy - Deallocates the block pool
*/
-enum vxge_hw_status __devinit
-vxge_hw_device_initialize(
- struct __vxge_hw_device **devh,
- struct vxge_hw_device_attr *attr,
- struct vxge_hw_device_config *device_config)
+static void __vxge_hw_blockpool_destroy(struct __vxge_hw_blockpool *blockpool)
{
- u32 i;
- u32 nblocks = 0;
- struct __vxge_hw_device *hldev = NULL;
- enum vxge_hw_status status = VXGE_HW_OK;
-
- status = __vxge_hw_device_config_check(device_config);
- if (status != VXGE_HW_OK)
- goto exit;
+ struct __vxge_hw_device *hldev;
+ struct list_head *p, *n;
+ u16 ret;
- hldev = (struct __vxge_hw_device *)
- vmalloc(sizeof(struct __vxge_hw_device));
- if (hldev == NULL) {
- status = VXGE_HW_ERR_OUT_OF_MEMORY;
+ if (blockpool == NULL) {
+ ret = 1;
goto exit;
}
- memset(hldev, 0, sizeof(struct __vxge_hw_device));
- hldev->magic = VXGE_HW_DEVICE_MAGIC;
-
- vxge_hw_device_debug_set(hldev, VXGE_ERR, VXGE_COMPONENT_ALL);
-
- /* apply config */
- memcpy(&hldev->config, device_config,
- sizeof(struct vxge_hw_device_config));
-
- hldev->bar0 = attr->bar0;
- hldev->pdev = attr->pdev;
+ hldev = blockpool->hldev;
- hldev->uld_callbacks.link_up = attr->uld_callbacks.link_up;
- hldev->uld_callbacks.link_down = attr->uld_callbacks.link_down;
- hldev->uld_callbacks.crit_err = attr->uld_callbacks.crit_err;
+ list_for_each_safe(p, n, &blockpool->free_block_list) {
+ pci_unmap_single(hldev->pdev,
+ ((struct __vxge_hw_blockpool_entry *)p)->dma_addr,
+ ((struct __vxge_hw_blockpool_entry *)p)->length,
+ PCI_DMA_BIDIRECTIONAL);
- __vxge_hw_device_pci_e_init(hldev);
+ vxge_os_dma_free(hldev->pdev,
+ ((struct __vxge_hw_blockpool_entry *)p)->memblock,
+ &((struct __vxge_hw_blockpool_entry *)p)->acc_handle);
- status = __vxge_hw_device_reg_addr_get(hldev);
- if (status != VXGE_HW_OK) {
- vfree(hldev);
- goto exit;
+ list_del(&((struct __vxge_hw_blockpool_entry *)p)->item);
+ kfree(p);
+ blockpool->pool_size--;
}
- __vxge_hw_device_id_get(hldev);
- __vxge_hw_device_host_info_get(hldev);
+ list_for_each_safe(p, n, &blockpool->free_entry_list) {
+ list_del(&((struct __vxge_hw_blockpool_entry *)p)->item);
+ kfree((void *)p);
+ }
+ ret = 0;
+exit:
+ return;
+}
- /* Incrementing for stats blocks */
- nblocks++;
+/*
+ * __vxge_hw_blockpool_create - Create block pool
+ */
+static enum vxge_hw_status
+__vxge_hw_blockpool_create(struct __vxge_hw_device *hldev,
+ struct __vxge_hw_blockpool *blockpool,
+ u32 pool_size,
+ u32 pool_max)
+{
+ u32 i;
+ struct __vxge_hw_blockpool_entry *entry = NULL;
+ void *memblock;
+ dma_addr_t dma_addr;
+ struct pci_dev *dma_handle;
+ struct pci_dev *acc_handle;
+ enum vxge_hw_status status = VXGE_HW_OK;
+
+ if (blockpool == NULL) {
+ status = VXGE_HW_FAIL;
+ goto blockpool_create_exit;
+ }
+
+ blockpool->hldev = hldev;
+ blockpool->block_size = VXGE_HW_BLOCK_SIZE;
+ blockpool->pool_size = 0;
+ blockpool->pool_max = pool_max;
+ blockpool->req_out = 0;
+
+ INIT_LIST_HEAD(&blockpool->free_block_list);
+ INIT_LIST_HEAD(&blockpool->free_entry_list);
+
+ for (i = 0; i < pool_size + pool_max; i++) {
+ entry = kzalloc(sizeof(struct __vxge_hw_blockpool_entry),
+ GFP_KERNEL);
+ if (entry == NULL) {
+ __vxge_hw_blockpool_destroy(blockpool);
+ status = VXGE_HW_ERR_OUT_OF_MEMORY;
+ goto blockpool_create_exit;
+ }
+ list_add(&entry->item, &blockpool->free_entry_list);
+ }
+
+ for (i = 0; i < pool_size; i++) {
+ memblock = vxge_os_dma_malloc(
+ hldev->pdev,
+ VXGE_HW_BLOCK_SIZE,
+ &dma_handle,
+ &acc_handle);
+ if (memblock == NULL) {
+ __vxge_hw_blockpool_destroy(blockpool);
+ status = VXGE_HW_ERR_OUT_OF_MEMORY;
+ goto blockpool_create_exit;
+ }
+
+ dma_addr = pci_map_single(hldev->pdev, memblock,
+ VXGE_HW_BLOCK_SIZE, PCI_DMA_BIDIRECTIONAL);
+ if (unlikely(pci_dma_mapping_error(hldev->pdev,
+ dma_addr))) {
+ vxge_os_dma_free(hldev->pdev, memblock, &acc_handle);
+ __vxge_hw_blockpool_destroy(blockpool);
+ status = VXGE_HW_ERR_OUT_OF_MEMORY;
+ goto blockpool_create_exit;
+ }
+
+ if (!list_empty(&blockpool->free_entry_list))
+ entry = (struct __vxge_hw_blockpool_entry *)
+ list_first_entry(&blockpool->free_entry_list,
+ struct __vxge_hw_blockpool_entry,
+ item);
+
+ if (entry == NULL)
+ entry =
+ kzalloc(sizeof(struct __vxge_hw_blockpool_entry),
+ GFP_KERNEL);
+ if (entry != NULL) {
+ list_del(&entry->item);
+ entry->length = VXGE_HW_BLOCK_SIZE;
+ entry->memblock = memblock;
+ entry->dma_addr = dma_addr;
+ entry->acc_handle = acc_handle;
+ entry->dma_handle = dma_handle;
+ list_add(&entry->item,
+ &blockpool->free_block_list);
+ blockpool->pool_size++;
+ } else {
+ __vxge_hw_blockpool_destroy(blockpool);
+ status = VXGE_HW_ERR_OUT_OF_MEMORY;
+ goto blockpool_create_exit;
+ }
+ }
+
+blockpool_create_exit:
+ return status;
+}
+
+/*
+ * __vxge_hw_device_fifo_config_check - Check fifo configuration.
+ * Check the fifo configuration
+ */
+static enum vxge_hw_status
+__vxge_hw_device_fifo_config_check(struct vxge_hw_fifo_config *fifo_config)
+{
+ if ((fifo_config->fifo_blocks < VXGE_HW_MIN_FIFO_BLOCKS) ||
+ (fifo_config->fifo_blocks > VXGE_HW_MAX_FIFO_BLOCKS))
+ return VXGE_HW_BADCFG_FIFO_BLOCKS;
+
+ return VXGE_HW_OK;
+}
+
+/*
+ * __vxge_hw_device_vpath_config_check - Check vpath configuration.
+ * Check the vpath configuration
+ */
+static enum vxge_hw_status
+__vxge_hw_device_vpath_config_check(struct vxge_hw_vp_config *vp_config)
+{
+ enum vxge_hw_status status;
+
+ if ((vp_config->min_bandwidth < VXGE_HW_VPATH_BANDWIDTH_MIN) ||
+ (vp_config->min_bandwidth > VXGE_HW_VPATH_BANDWIDTH_MAX))
+ return VXGE_HW_BADCFG_VPATH_MIN_BANDWIDTH;
+
+ status = __vxge_hw_device_fifo_config_check(&vp_config->fifo);
+ if (status != VXGE_HW_OK)
+ return status;
+
+ if ((vp_config->mtu != VXGE_HW_VPATH_USE_FLASH_DEFAULT_INITIAL_MTU) &&
+ ((vp_config->mtu < VXGE_HW_VPATH_MIN_INITIAL_MTU) ||
+ (vp_config->mtu > VXGE_HW_VPATH_MAX_INITIAL_MTU)))
+ return VXGE_HW_BADCFG_VPATH_MTU;
+
+ if ((vp_config->rpa_strip_vlan_tag !=
+ VXGE_HW_VPATH_RPA_STRIP_VLAN_TAG_USE_FLASH_DEFAULT) &&
+ (vp_config->rpa_strip_vlan_tag !=
+ VXGE_HW_VPATH_RPA_STRIP_VLAN_TAG_ENABLE) &&
+ (vp_config->rpa_strip_vlan_tag !=
+ VXGE_HW_VPATH_RPA_STRIP_VLAN_TAG_DISABLE))
+ return VXGE_HW_BADCFG_VPATH_RPA_STRIP_VLAN_TAG;
+
+ return VXGE_HW_OK;
+}
+
+/*
+ * __vxge_hw_device_config_check - Check device configuration.
+ * Check the device configuration
+ */
+static enum vxge_hw_status
+__vxge_hw_device_config_check(struct vxge_hw_device_config *new_config)
+{
+ u32 i;
+ enum vxge_hw_status status;
+
+ if ((new_config->intr_mode != VXGE_HW_INTR_MODE_IRQLINE) &&
+ (new_config->intr_mode != VXGE_HW_INTR_MODE_MSIX) &&
+ (new_config->intr_mode != VXGE_HW_INTR_MODE_MSIX_ONE_SHOT) &&
+ (new_config->intr_mode != VXGE_HW_INTR_MODE_DEF))
+ return VXGE_HW_BADCFG_INTR_MODE;
+
+ if ((new_config->rts_mac_en != VXGE_HW_RTS_MAC_DISABLE) &&
+ (new_config->rts_mac_en != VXGE_HW_RTS_MAC_ENABLE))
+ return VXGE_HW_BADCFG_RTS_MAC_EN;
for (i = 0; i < VXGE_HW_MAX_VIRTUAL_PATHS; i++) {
+ status = __vxge_hw_device_vpath_config_check(
+ &new_config->vp_config[i]);
+ if (status != VXGE_HW_OK)
+ return status;
+ }
+
+ return VXGE_HW_OK;
+}
+
+/*
+ * vxge_hw_device_initialize - Initialize Titan device.
+ * Initialize Titan device. Note that all the arguments of this public API
+ * are 'IN', including @hldev. Driver cooperates with
+ * OS to find new Titan device, locate its PCI and memory spaces.
+ *
+ * When done, the driver allocates sizeof(struct __vxge_hw_device) bytes for HW
+ * to enable the latter to perform Titan hardware initialization.
+ */
+enum vxge_hw_status __devinit
+vxge_hw_device_initialize(
+ struct __vxge_hw_device **devh,
+ struct vxge_hw_device_attr *attr,
+ struct vxge_hw_device_config *device_config)
+{
+ u32 i;
+ u32 nblocks = 0;
+ struct __vxge_hw_device *hldev = NULL;
+ enum vxge_hw_status status = VXGE_HW_OK;
+
+ status = __vxge_hw_device_config_check(device_config);
+ if (status != VXGE_HW_OK)
+ goto exit;
+
+ hldev = vzalloc(sizeof(struct __vxge_hw_device));
+ if (hldev == NULL) {
+ status = VXGE_HW_ERR_OUT_OF_MEMORY;
+ goto exit;
+ }
+ hldev->magic = VXGE_HW_DEVICE_MAGIC;
+
+ vxge_hw_device_debug_set(hldev, VXGE_ERR, VXGE_COMPONENT_ALL);
+
+ /* apply config */
+ memcpy(&hldev->config, device_config,
+ sizeof(struct vxge_hw_device_config));
+
+ hldev->bar0 = attr->bar0;
+ hldev->pdev = attr->pdev;
+
+ hldev->uld_callbacks.link_up = attr->uld_callbacks.link_up;
+ hldev->uld_callbacks.link_down = attr->uld_callbacks.link_down;
+ hldev->uld_callbacks.crit_err = attr->uld_callbacks.crit_err;
+
+ __vxge_hw_device_pci_e_init(hldev);
+
+ status = __vxge_hw_device_reg_addr_get(hldev);
+ if (status != VXGE_HW_OK) {
+ vfree(hldev);
+ goto exit;
+ }
+
+ __vxge_hw_device_host_info_get(hldev);
+
+ /* Incrementing for stats blocks */
+ nblocks++;
+
+ for (i = 0; i < VXGE_HW_MAX_VIRTUAL_PATHS; i++) {
if (!(hldev->vpath_assignments & vxge_mBIT(i)))
continue;
}
status = __vxge_hw_device_initialize(hldev);
-
if (status != VXGE_HW_OK) {
vxge_hw_device_terminate(hldev);
goto exit;
}
/*
- * vxge_hw_device_stats_get - Get the device hw statistics.
- * Returns the vpath h/w stats for the device.
+ * __vxge_hw_vpath_stats_access - Get the statistics from the given location
+ * and offset and perform an operation
*/
-enum vxge_hw_status
-vxge_hw_device_stats_get(struct __vxge_hw_device *hldev,
- struct vxge_hw_device_stats_hw_info *hw_stats)
+static enum vxge_hw_status
+__vxge_hw_vpath_stats_access(struct __vxge_hw_virtualpath *vpath,
+ u32 operation, u32 offset, u64 *stat)
{
- u32 i;
+ u64 val64;
enum vxge_hw_status status = VXGE_HW_OK;
+ struct vxge_hw_vpath_reg __iomem *vp_reg;
- for (i = 0; i < VXGE_HW_MAX_VIRTUAL_PATHS; i++) {
-
- if (!(hldev->vpaths_deployed & vxge_mBIT(i)) ||
- (hldev->virtual_paths[i].vp_open ==
- VXGE_HW_VP_NOT_OPEN))
- continue;
-
- memcpy(hldev->virtual_paths[i].hw_stats_sav,
- hldev->virtual_paths[i].hw_stats,
- sizeof(struct vxge_hw_vpath_stats_hw_info));
-
- status = __vxge_hw_vpath_stats_get(
- &hldev->virtual_paths[i],
- hldev->virtual_paths[i].hw_stats);
+ if (vpath->vp_open == VXGE_HW_VP_NOT_OPEN) {
+ status = VXGE_HW_ERR_VPATH_NOT_OPEN;
+ goto vpath_stats_access_exit;
}
- memcpy(hw_stats, &hldev->stats.hw_dev_info_stats,
- sizeof(struct vxge_hw_device_stats_hw_info));
+ vp_reg = vpath->vp_reg;
- return status;
+ val64 = VXGE_HW_XMAC_STATS_ACCESS_CMD_OP(operation) |
+ VXGE_HW_XMAC_STATS_ACCESS_CMD_STROBE |
+ VXGE_HW_XMAC_STATS_ACCESS_CMD_OFFSET_SEL(offset);
+
+ status = __vxge_hw_pio_mem_write64(val64,
+ &vp_reg->xmac_stats_access_cmd,
+ VXGE_HW_XMAC_STATS_ACCESS_CMD_STROBE,
+ vpath->hldev->config.device_poll_millis);
+ if ((status == VXGE_HW_OK) && (operation == VXGE_HW_STATS_OP_READ))
+ *stat = readq(&vp_reg->xmac_stats_access_data);
+ else
+ *stat = 0;
+
+vpath_stats_access_exit:
+ return status;
+}
+
+/*
+ * __vxge_hw_vpath_xmac_tx_stats_get - Get the TX Statistics of a vpath
+ */
+static enum vxge_hw_status
+__vxge_hw_vpath_xmac_tx_stats_get(struct __vxge_hw_virtualpath *vpath,
+ struct vxge_hw_xmac_vpath_tx_stats *vpath_tx_stats)
+{
+ u64 *val64;
+ int i;
+ u32 offset = VXGE_HW_STATS_VPATH_TX_OFFSET;
+ enum vxge_hw_status status = VXGE_HW_OK;
+
+ val64 = (u64 *)vpath_tx_stats;
+
+ if (vpath->vp_open == VXGE_HW_VP_NOT_OPEN) {
+ status = VXGE_HW_ERR_VPATH_NOT_OPEN;
+ goto exit;
+ }
+
+ for (i = 0; i < sizeof(struct vxge_hw_xmac_vpath_tx_stats) / 8; i++) {
+ status = __vxge_hw_vpath_stats_access(vpath,
+ VXGE_HW_STATS_OP_READ,
+ offset, val64);
+ if (status != VXGE_HW_OK)
+ goto exit;
+ offset++;
+ val64++;
+ }
+exit:
+ return status;
+}
+
+/*
+ * __vxge_hw_vpath_xmac_rx_stats_get - Get the RX Statistics of a vpath
+ */
+static enum vxge_hw_status
+__vxge_hw_vpath_xmac_rx_stats_get(struct __vxge_hw_virtualpath *vpath,
+ struct vxge_hw_xmac_vpath_rx_stats *vpath_rx_stats)
+{
+ u64 *val64;
+ enum vxge_hw_status status = VXGE_HW_OK;
+ int i;
+ u32 offset = VXGE_HW_STATS_VPATH_RX_OFFSET;
+ val64 = (u64 *) vpath_rx_stats;
+
+ if (vpath->vp_open == VXGE_HW_VP_NOT_OPEN) {
+ status = VXGE_HW_ERR_VPATH_NOT_OPEN;
+ goto exit;
+ }
+ for (i = 0; i < sizeof(struct vxge_hw_xmac_vpath_rx_stats) / 8; i++) {
+ status = __vxge_hw_vpath_stats_access(vpath,
+ VXGE_HW_STATS_OP_READ,
+ offset >> 3, val64);
+ if (status != VXGE_HW_OK)
+ goto exit;
+
+ offset += 8;
+ val64++;
+ }
+exit:
+ return status;
+}
+
+/*
+ * __vxge_hw_vpath_stats_get - Get the vpath hw statistics.
+ */
+static enum vxge_hw_status
+__vxge_hw_vpath_stats_get(struct __vxge_hw_virtualpath *vpath,
+ struct vxge_hw_vpath_stats_hw_info *hw_stats)
+{
+ u64 val64;
+ enum vxge_hw_status status = VXGE_HW_OK;
+ struct vxge_hw_vpath_reg __iomem *vp_reg;
+
+ if (vpath->vp_open == VXGE_HW_VP_NOT_OPEN) {
+ status = VXGE_HW_ERR_VPATH_NOT_OPEN;
+ goto exit;
+ }
+ vp_reg = vpath->vp_reg;
+
+ val64 = readq(&vp_reg->vpath_debug_stats0);
+ hw_stats->ini_num_mwr_sent =
+ (u32)VXGE_HW_VPATH_DEBUG_STATS0_GET_INI_NUM_MWR_SENT(val64);
+
+ val64 = readq(&vp_reg->vpath_debug_stats1);
+ hw_stats->ini_num_mrd_sent =
+ (u32)VXGE_HW_VPATH_DEBUG_STATS1_GET_INI_NUM_MRD_SENT(val64);
+
+ val64 = readq(&vp_reg->vpath_debug_stats2);
+ hw_stats->ini_num_cpl_rcvd =
+ (u32)VXGE_HW_VPATH_DEBUG_STATS2_GET_INI_NUM_CPL_RCVD(val64);
+
+ val64 = readq(&vp_reg->vpath_debug_stats3);
+ hw_stats->ini_num_mwr_byte_sent =
+ VXGE_HW_VPATH_DEBUG_STATS3_GET_INI_NUM_MWR_BYTE_SENT(val64);
+
+ val64 = readq(&vp_reg->vpath_debug_stats4);
+ hw_stats->ini_num_cpl_byte_rcvd =
+ VXGE_HW_VPATH_DEBUG_STATS4_GET_INI_NUM_CPL_BYTE_RCVD(val64);
+
+ val64 = readq(&vp_reg->vpath_debug_stats5);
+ hw_stats->wrcrdtarb_xoff =
+ (u32)VXGE_HW_VPATH_DEBUG_STATS5_GET_WRCRDTARB_XOFF(val64);
+
+ val64 = readq(&vp_reg->vpath_debug_stats6);
+ hw_stats->rdcrdtarb_xoff =
+ (u32)VXGE_HW_VPATH_DEBUG_STATS6_GET_RDCRDTARB_XOFF(val64);
+
+ val64 = readq(&vp_reg->vpath_genstats_count01);
+ hw_stats->vpath_genstats_count0 =
+ (u32)VXGE_HW_VPATH_GENSTATS_COUNT01_GET_PPIF_VPATH_GENSTATS_COUNT0(
+ val64);
+
+ val64 = readq(&vp_reg->vpath_genstats_count01);
+ hw_stats->vpath_genstats_count1 =
+ (u32)VXGE_HW_VPATH_GENSTATS_COUNT01_GET_PPIF_VPATH_GENSTATS_COUNT1(
+ val64);
+
+ val64 = readq(&vp_reg->vpath_genstats_count23);
+ hw_stats->vpath_genstats_count2 =
+ (u32)VXGE_HW_VPATH_GENSTATS_COUNT23_GET_PPIF_VPATH_GENSTATS_COUNT2(
+ val64);
+
+ val64 = readq(&vp_reg->vpath_genstats_count01);
+ hw_stats->vpath_genstats_count3 =
+ (u32)VXGE_HW_VPATH_GENSTATS_COUNT23_GET_PPIF_VPATH_GENSTATS_COUNT3(
+ val64);
+
+ val64 = readq(&vp_reg->vpath_genstats_count4);
+ hw_stats->vpath_genstats_count4 =
+ (u32)VXGE_HW_VPATH_GENSTATS_COUNT4_GET_PPIF_VPATH_GENSTATS_COUNT4(
+ val64);
+
+ val64 = readq(&vp_reg->vpath_genstats_count5);
+ hw_stats->vpath_genstats_count5 =
+ (u32)VXGE_HW_VPATH_GENSTATS_COUNT5_GET_PPIF_VPATH_GENSTATS_COUNT5(
+ val64);
+
+ status = __vxge_hw_vpath_xmac_tx_stats_get(vpath, &hw_stats->tx_stats);
+ if (status != VXGE_HW_OK)
+ goto exit;
+
+ status = __vxge_hw_vpath_xmac_rx_stats_get(vpath, &hw_stats->rx_stats);
+ if (status != VXGE_HW_OK)
+ goto exit;
+
+ VXGE_HW_VPATH_STATS_PIO_READ(
+ VXGE_HW_STATS_VPATH_PROG_EVENT_VNUM0_OFFSET);
+
+ hw_stats->prog_event_vnum0 =
+ (u32)VXGE_HW_STATS_GET_VPATH_PROG_EVENT_VNUM0(val64);
+
+ hw_stats->prog_event_vnum1 =
+ (u32)VXGE_HW_STATS_GET_VPATH_PROG_EVENT_VNUM1(val64);
+
+ VXGE_HW_VPATH_STATS_PIO_READ(
+ VXGE_HW_STATS_VPATH_PROG_EVENT_VNUM2_OFFSET);
+
+ hw_stats->prog_event_vnum2 =
+ (u32)VXGE_HW_STATS_GET_VPATH_PROG_EVENT_VNUM2(val64);
+
+ hw_stats->prog_event_vnum3 =
+ (u32)VXGE_HW_STATS_GET_VPATH_PROG_EVENT_VNUM3(val64);
+
+ val64 = readq(&vp_reg->rx_multi_cast_stats);
+ hw_stats->rx_multi_cast_frame_discard =
+ (u16)VXGE_HW_RX_MULTI_CAST_STATS_GET_FRAME_DISCARD(val64);
+
+ val64 = readq(&vp_reg->rx_frm_transferred);
+ hw_stats->rx_frm_transferred =
+ (u32)VXGE_HW_RX_FRM_TRANSFERRED_GET_RX_FRM_TRANSFERRED(val64);
+
+ val64 = readq(&vp_reg->rxd_returned);
+ hw_stats->rxd_returned =
+ (u16)VXGE_HW_RXD_RETURNED_GET_RXD_RETURNED(val64);
+
+ val64 = readq(&vp_reg->dbg_stats_rx_mpa);
+ hw_stats->rx_mpa_len_fail_frms =
+ (u16)VXGE_HW_DBG_STATS_GET_RX_MPA_LEN_FAIL_FRMS(val64);
+ hw_stats->rx_mpa_mrk_fail_frms =
+ (u16)VXGE_HW_DBG_STATS_GET_RX_MPA_MRK_FAIL_FRMS(val64);
+ hw_stats->rx_mpa_crc_fail_frms =
+ (u16)VXGE_HW_DBG_STATS_GET_RX_MPA_CRC_FAIL_FRMS(val64);
+
+ val64 = readq(&vp_reg->dbg_stats_rx_fau);
+ hw_stats->rx_permitted_frms =
+ (u16)VXGE_HW_DBG_STATS_GET_RX_FAU_RX_PERMITTED_FRMS(val64);
+ hw_stats->rx_vp_reset_discarded_frms =
+ (u16)VXGE_HW_DBG_STATS_GET_RX_FAU_RX_VP_RESET_DISCARDED_FRMS(val64);
+ hw_stats->rx_wol_frms =
+ (u16)VXGE_HW_DBG_STATS_GET_RX_FAU_RX_WOL_FRMS(val64);
+
+ val64 = readq(&vp_reg->tx_vp_reset_discarded_frms);
+ hw_stats->tx_vp_reset_discarded_frms =
+ (u16)VXGE_HW_TX_VP_RESET_DISCARDED_FRMS_GET_TX_VP_RESET_DISCARDED_FRMS(
+ val64);
+exit:
+ return status;
+}
+
+/*
+ * vxge_hw_device_stats_get - Get the device hw statistics.
+ * Returns the vpath h/w stats for the device.
+ */
+enum vxge_hw_status
+vxge_hw_device_stats_get(struct __vxge_hw_device *hldev,
+ struct vxge_hw_device_stats_hw_info *hw_stats)
+{
+ u32 i;
+ enum vxge_hw_status status = VXGE_HW_OK;
+
+ for (i = 0; i < VXGE_HW_MAX_VIRTUAL_PATHS; i++) {
+ if (!(hldev->vpaths_deployed & vxge_mBIT(i)) ||
+ (hldev->virtual_paths[i].vp_open ==
+ VXGE_HW_VP_NOT_OPEN))
+ continue;
+
+ memcpy(hldev->virtual_paths[i].hw_stats_sav,
+ hldev->virtual_paths[i].hw_stats,
+ sizeof(struct vxge_hw_vpath_stats_hw_info));
+
+ status = __vxge_hw_vpath_stats_get(
+ &hldev->virtual_paths[i],
+ hldev->virtual_paths[i].hw_stats);
+ }
+
+ memcpy(hw_stats, &hldev->stats.hw_dev_info_stats,
+ sizeof(struct vxge_hw_device_stats_hw_info));
+
+ return status;
}
/*
status = vxge_hw_device_xmac_aggr_stats_get(hldev,
0, &xmac_stats->aggr_stats[0]);
-
if (status != VXGE_HW_OK)
goto exit;
* It can be used to set or reset Pause frame generation or reception
* support of the NIC.
*/
-
enum vxge_hw_status vxge_hw_device_setpause_data(struct __vxge_hw_device *hldev,
u32 port, u32 tx, u32 rx)
{
}
/*
- * __vxge_hw_ring_create - Create a Ring
- * This function creates Ring and initializes it.
- *
+ * __vxge_hw_channel_allocate - Allocate memory for channel
+ * This function allocates required memory for the channel and various arrays
+ * in the channel
*/
-static enum vxge_hw_status
-__vxge_hw_ring_create(struct __vxge_hw_vpath_handle *vp,
- struct vxge_hw_ring_attr *attr)
+static struct __vxge_hw_channel *
+__vxge_hw_channel_allocate(struct __vxge_hw_vpath_handle *vph,
+ enum __vxge_hw_channel_type type,
+ u32 length, u32 per_dtr_space,
+ void *userdata)
{
- enum vxge_hw_status status = VXGE_HW_OK;
- struct __vxge_hw_ring *ring;
- u32 ring_length;
- struct vxge_hw_ring_config *config;
+ struct __vxge_hw_channel *channel;
struct __vxge_hw_device *hldev;
+ int size = 0;
u32 vp_id;
- struct vxge_hw_mempool_cbs ring_mp_callback;
- if ((vp == NULL) || (attr == NULL)) {
- status = VXGE_HW_FAIL;
- goto exit;
+ hldev = vph->vpath->hldev;
+ vp_id = vph->vpath->vp_id;
+
+ switch (type) {
+ case VXGE_HW_CHANNEL_TYPE_FIFO:
+ size = sizeof(struct __vxge_hw_fifo);
+ break;
+ case VXGE_HW_CHANNEL_TYPE_RING:
+ size = sizeof(struct __vxge_hw_ring);
+ break;
+ default:
+ break;
}
- hldev = vp->vpath->hldev;
- vp_id = vp->vpath->vp_id;
+ channel = kzalloc(size, GFP_KERNEL);
+ if (channel == NULL)
+ goto exit0;
+ INIT_LIST_HEAD(&channel->item);
- config = &hldev->config.vp_config[vp_id].ring;
+ channel->common_reg = hldev->common_reg;
+ channel->first_vp_id = hldev->first_vp_id;
+ channel->type = type;
+ channel->devh = hldev;
+ channel->vph = vph;
+ channel->userdata = userdata;
+ channel->per_dtr_space = per_dtr_space;
+ channel->length = length;
+ channel->vp_id = vp_id;
- ring_length = config->ring_blocks *
- vxge_hw_ring_rxds_per_block_get(config->buffer_mode);
+ channel->work_arr = kzalloc(sizeof(void *)*length, GFP_KERNEL);
+ if (channel->work_arr == NULL)
+ goto exit1;
- ring = (struct __vxge_hw_ring *)__vxge_hw_channel_allocate(vp,
- VXGE_HW_CHANNEL_TYPE_RING,
- ring_length,
- attr->per_rxd_space,
- attr->userdata);
+ channel->free_arr = kzalloc(sizeof(void *)*length, GFP_KERNEL);
+ if (channel->free_arr == NULL)
+ goto exit1;
+ channel->free_ptr = length;
- if (ring == NULL) {
- status = VXGE_HW_ERR_OUT_OF_MEMORY;
- goto exit;
- }
+ channel->reserve_arr = kzalloc(sizeof(void *)*length, GFP_KERNEL);
+ if (channel->reserve_arr == NULL)
+ goto exit1;
+ channel->reserve_ptr = length;
+ channel->reserve_top = 0;
- vp->vpath->ringh = ring;
- ring->vp_id = vp_id;
- ring->vp_reg = vp->vpath->vp_reg;
- ring->common_reg = hldev->common_reg;
- ring->stats = &vp->vpath->sw_stats->ring_stats;
- ring->config = config;
- ring->callback = attr->callback;
- ring->rxd_init = attr->rxd_init;
- ring->rxd_term = attr->rxd_term;
- ring->buffer_mode = config->buffer_mode;
- ring->rxds_limit = config->rxds_limit;
+ channel->orig_arr = kzalloc(sizeof(void *)*length, GFP_KERNEL);
+ if (channel->orig_arr == NULL)
+ goto exit1;
- ring->rxd_size = vxge_hw_ring_rxd_size_get(config->buffer_mode);
- ring->rxd_priv_size =
- sizeof(struct __vxge_hw_ring_rxd_priv) + attr->per_rxd_space;
- ring->per_rxd_space = attr->per_rxd_space;
+ return channel;
+exit1:
+ __vxge_hw_channel_free(channel);
- ring->rxd_priv_size =
- ((ring->rxd_priv_size + VXGE_CACHE_LINE_SIZE - 1) /
- VXGE_CACHE_LINE_SIZE) * VXGE_CACHE_LINE_SIZE;
+exit0:
+ return NULL;
+}
- /* how many RxDs can fit into one block. Depends on configured
- * buffer_mode. */
- ring->rxds_per_block =
- vxge_hw_ring_rxds_per_block_get(config->buffer_mode);
+/*
+ * vxge_hw_blockpool_block_add - callback for vxge_os_dma_malloc_async
+ * Adds a block to block pool
+ */
+static void vxge_hw_blockpool_block_add(struct __vxge_hw_device *devh,
+ void *block_addr,
+ u32 length,
+ struct pci_dev *dma_h,
+ struct pci_dev *acc_handle)
+{
+ struct __vxge_hw_blockpool *blockpool;
+ struct __vxge_hw_blockpool_entry *entry = NULL;
+ dma_addr_t dma_addr;
+ enum vxge_hw_status status = VXGE_HW_OK;
+ u32 req_out;
- /* calculate actual RxD block private size */
- ring->rxdblock_priv_size = ring->rxd_priv_size * ring->rxds_per_block;
- ring_mp_callback.item_func_alloc = __vxge_hw_ring_mempool_item_alloc;
- ring->mempool = __vxge_hw_mempool_create(hldev,
- VXGE_HW_BLOCK_SIZE,
- VXGE_HW_BLOCK_SIZE,
- ring->rxdblock_priv_size,
- ring->config->ring_blocks,
- ring->config->ring_blocks,
- &ring_mp_callback,
- ring);
+ blockpool = &devh->block_pool;
- if (ring->mempool == NULL) {
- __vxge_hw_ring_delete(vp);
- return VXGE_HW_ERR_OUT_OF_MEMORY;
+ if (block_addr == NULL) {
+ blockpool->req_out--;
+ status = VXGE_HW_FAIL;
+ goto exit;
}
- status = __vxge_hw_channel_initialize(&ring->channel);
- if (status != VXGE_HW_OK) {
- __vxge_hw_ring_delete(vp);
+ dma_addr = pci_map_single(devh->pdev, block_addr, length,
+ PCI_DMA_BIDIRECTIONAL);
+
+ if (unlikely(pci_dma_mapping_error(devh->pdev, dma_addr))) {
+ vxge_os_dma_free(devh->pdev, block_addr, &acc_handle);
+ blockpool->req_out--;
+ status = VXGE_HW_FAIL;
goto exit;
}
- /* Note:
- * Specifying rxd_init callback means two things:
- * 1) rxds need to be initialized by driver at channel-open time;
- * 2) rxds need to be posted at channel-open time
- * (that's what the initial_replenish() below does)
- * Currently we don't have a case when the 1) is done without the 2).
- */
- if (ring->rxd_init) {
- status = vxge_hw_ring_replenish(ring);
- if (status != VXGE_HW_OK) {
- __vxge_hw_ring_delete(vp);
- goto exit;
- }
- }
+ if (!list_empty(&blockpool->free_entry_list))
+ entry = (struct __vxge_hw_blockpool_entry *)
+ list_first_entry(&blockpool->free_entry_list,
+ struct __vxge_hw_blockpool_entry,
+ item);
- /* initial replenish will increment the counter in its post() routine,
- * we have to reset it */
- ring->stats->common_stats.usage_cnt = 0;
+ if (entry == NULL)
+ entry = vmalloc(sizeof(struct __vxge_hw_blockpool_entry));
+ else
+ list_del(&entry->item);
+
+ if (entry != NULL) {
+ entry->length = length;
+ entry->memblock = block_addr;
+ entry->dma_addr = dma_addr;
+ entry->acc_handle = acc_handle;
+ entry->dma_handle = dma_h;
+ list_add(&entry->item, &blockpool->free_block_list);
+ blockpool->pool_size++;
+ status = VXGE_HW_OK;
+ } else
+ status = VXGE_HW_ERR_OUT_OF_MEMORY;
+
+ blockpool->req_out--;
+
+ req_out = blockpool->req_out;
exit:
- return status;
+ return;
}
-/*
- * __vxge_hw_ring_abort - Returns the RxD
- * This function terminates the RxDs of ring
- */
-static enum vxge_hw_status __vxge_hw_ring_abort(struct __vxge_hw_ring *ring)
+static inline void
+vxge_os_dma_malloc_async(struct pci_dev *pdev, void *devh, unsigned long size)
{
- void *rxdh;
- struct __vxge_hw_channel *channel;
-
- channel = &ring->channel;
+ gfp_t flags;
+ void *vaddr;
- for (;;) {
- vxge_hw_channel_dtr_try_complete(channel, &rxdh);
+ if (in_interrupt())
+ flags = GFP_ATOMIC | GFP_DMA;
+ else
+ flags = GFP_KERNEL | GFP_DMA;
- if (rxdh == NULL)
- break;
+ vaddr = kmalloc((size), flags);
- vxge_hw_channel_dtr_complete(channel);
+ vxge_hw_blockpool_block_add(devh, vaddr, size, pdev, pdev);
+}
- if (ring->rxd_term)
- ring->rxd_term(rxdh, VXGE_HW_RXD_STATE_POSTED,
- channel->userdata);
+/*
+ * __vxge_hw_blockpool_blocks_add - Request additional blocks
+ */
+static
+void __vxge_hw_blockpool_blocks_add(struct __vxge_hw_blockpool *blockpool)
+{
+ u32 nreq = 0, i;
- vxge_hw_channel_dtr_free(channel, rxdh);
+ if ((blockpool->pool_size + blockpool->req_out) <
+ VXGE_HW_MIN_DMA_BLOCK_POOL_SIZE) {
+ nreq = VXGE_HW_INCR_DMA_BLOCK_POOL_SIZE;
+ blockpool->req_out += nreq;
}
- return VXGE_HW_OK;
+ for (i = 0; i < nreq; i++)
+ vxge_os_dma_malloc_async(
+ ((struct __vxge_hw_device *)blockpool->hldev)->pdev,
+ blockpool->hldev, VXGE_HW_BLOCK_SIZE);
}
/*
- * __vxge_hw_ring_reset - Resets the ring
- * This function resets the ring during vpath reset operation
+ * __vxge_hw_blockpool_malloc - Allocate a memory block from pool
+ * Allocates a block of memory of given size, either from block pool
+ * or by calling vxge_os_dma_malloc()
*/
-static enum vxge_hw_status __vxge_hw_ring_reset(struct __vxge_hw_ring *ring)
+static void *__vxge_hw_blockpool_malloc(struct __vxge_hw_device *devh, u32 size,
+ struct vxge_hw_mempool_dma *dma_object)
{
+ struct __vxge_hw_blockpool_entry *entry = NULL;
+ struct __vxge_hw_blockpool *blockpool;
+ void *memblock = NULL;
enum vxge_hw_status status = VXGE_HW_OK;
- struct __vxge_hw_channel *channel;
- channel = &ring->channel;
-
- __vxge_hw_ring_abort(ring);
+ blockpool = &devh->block_pool;
- status = __vxge_hw_channel_reset(channel);
+ if (size != blockpool->block_size) {
- if (status != VXGE_HW_OK)
- goto exit;
+ memblock = vxge_os_dma_malloc(devh->pdev, size,
+ &dma_object->handle,
+ &dma_object->acc_handle);
- if (ring->rxd_init) {
- status = vxge_hw_ring_replenish(ring);
- if (status != VXGE_HW_OK)
+ if (memblock == NULL) {
+ status = VXGE_HW_ERR_OUT_OF_MEMORY;
goto exit;
- }
-exit:
- return status;
-}
+ }
-/*
- * __vxge_hw_ring_delete - Removes the ring
- * This function freeup the memory pool and removes the ring
+ dma_object->addr = pci_map_single(devh->pdev, memblock, size,
+ PCI_DMA_BIDIRECTIONAL);
+
+ if (unlikely(pci_dma_mapping_error(devh->pdev,
+ dma_object->addr))) {
+ vxge_os_dma_free(devh->pdev, memblock,
+ &dma_object->acc_handle);
+ status = VXGE_HW_ERR_OUT_OF_MEMORY;
+ goto exit;
+ }
+
+ } else {
+
+ if (!list_empty(&blockpool->free_block_list))
+ entry = (struct __vxge_hw_blockpool_entry *)
+ list_first_entry(&blockpool->free_block_list,
+ struct __vxge_hw_blockpool_entry,
+ item);
+
+ if (entry != NULL) {
+ list_del(&entry->item);
+ dma_object->addr = entry->dma_addr;
+ dma_object->handle = entry->dma_handle;
+ dma_object->acc_handle = entry->acc_handle;
+ memblock = entry->memblock;
+
+ list_add(&entry->item,
+ &blockpool->free_entry_list);
+ blockpool->pool_size--;
+ }
+
+ if (memblock != NULL)
+ __vxge_hw_blockpool_blocks_add(blockpool);
+ }
+exit:
+ return memblock;
+}
+
+/*
+ * __vxge_hw_blockpool_blocks_remove - Free additional blocks
*/
-static enum vxge_hw_status __vxge_hw_ring_delete(struct __vxge_hw_vpath_handle *vp)
+static void
+__vxge_hw_blockpool_blocks_remove(struct __vxge_hw_blockpool *blockpool)
{
- struct __vxge_hw_ring *ring = vp->vpath->ringh;
+ struct list_head *p, *n;
- __vxge_hw_ring_abort(ring);
+ list_for_each_safe(p, n, &blockpool->free_block_list) {
- if (ring->mempool)
- __vxge_hw_mempool_destroy(ring->mempool);
+ if (blockpool->pool_size < blockpool->pool_max)
+ break;
- vp->vpath->ringh = NULL;
- __vxge_hw_channel_free(&ring->channel);
+ pci_unmap_single(
+ ((struct __vxge_hw_device *)blockpool->hldev)->pdev,
+ ((struct __vxge_hw_blockpool_entry *)p)->dma_addr,
+ ((struct __vxge_hw_blockpool_entry *)p)->length,
+ PCI_DMA_BIDIRECTIONAL);
- return VXGE_HW_OK;
+ vxge_os_dma_free(
+ ((struct __vxge_hw_device *)blockpool->hldev)->pdev,
+ ((struct __vxge_hw_blockpool_entry *)p)->memblock,
+ &((struct __vxge_hw_blockpool_entry *)p)->acc_handle);
+
+ list_del(&((struct __vxge_hw_blockpool_entry *)p)->item);
+
+ list_add(p, &blockpool->free_entry_list);
+
+ blockpool->pool_size--;
+
+ }
+}
+
+/*
+ * __vxge_hw_blockpool_free - Frees the memory allcoated with
+ * __vxge_hw_blockpool_malloc
+ */
+static void __vxge_hw_blockpool_free(struct __vxge_hw_device *devh,
+ void *memblock, u32 size,
+ struct vxge_hw_mempool_dma *dma_object)
+{
+ struct __vxge_hw_blockpool_entry *entry = NULL;
+ struct __vxge_hw_blockpool *blockpool;
+ enum vxge_hw_status status = VXGE_HW_OK;
+
+ blockpool = &devh->block_pool;
+
+ if (size != blockpool->block_size) {
+ pci_unmap_single(devh->pdev, dma_object->addr, size,
+ PCI_DMA_BIDIRECTIONAL);
+ vxge_os_dma_free(devh->pdev, memblock, &dma_object->acc_handle);
+ } else {
+
+ if (!list_empty(&blockpool->free_entry_list))
+ entry = (struct __vxge_hw_blockpool_entry *)
+ list_first_entry(&blockpool->free_entry_list,
+ struct __vxge_hw_blockpool_entry,
+ item);
+
+ if (entry == NULL)
+ entry = vmalloc(sizeof(
+ struct __vxge_hw_blockpool_entry));
+ else
+ list_del(&entry->item);
+
+ if (entry != NULL) {
+ entry->length = size;
+ entry->memblock = memblock;
+ entry->dma_addr = dma_object->addr;
+ entry->acc_handle = dma_object->acc_handle;
+ entry->dma_handle = dma_object->handle;
+ list_add(&entry->item,
+ &blockpool->free_block_list);
+ blockpool->pool_size++;
+ status = VXGE_HW_OK;
+ } else
+ status = VXGE_HW_ERR_OUT_OF_MEMORY;
+
+ if (status == VXGE_HW_OK)
+ __vxge_hw_blockpool_blocks_remove(blockpool);
+ }
+}
+
+/*
+ * vxge_hw_mempool_destroy
+ */
+static void __vxge_hw_mempool_destroy(struct vxge_hw_mempool *mempool)
+{
+ u32 i, j;
+ struct __vxge_hw_device *devh = mempool->devh;
+
+ for (i = 0; i < mempool->memblocks_allocated; i++) {
+ struct vxge_hw_mempool_dma *dma_object;
+
+ vxge_assert(mempool->memblocks_arr[i]);
+ vxge_assert(mempool->memblocks_dma_arr + i);
+
+ dma_object = mempool->memblocks_dma_arr + i;
+
+ for (j = 0; j < mempool->items_per_memblock; j++) {
+ u32 index = i * mempool->items_per_memblock + j;
+
+ /* to skip last partially filled(if any) memblock */
+ if (index >= mempool->items_current)
+ break;
+ }
+
+ vfree(mempool->memblocks_priv_arr[i]);
+
+ __vxge_hw_blockpool_free(devh, mempool->memblocks_arr[i],
+ mempool->memblock_size, dma_object);
+ }
+
+ vfree(mempool->items_arr);
+ vfree(mempool->memblocks_dma_arr);
+ vfree(mempool->memblocks_priv_arr);
+ vfree(mempool->memblocks_arr);
+ vfree(mempool);
}
/*
* allocate new memblock and its private part at once.
* This helps to minimize memory usage a lot. */
mempool->memblocks_priv_arr[i] =
- vmalloc(mempool->items_priv_size * n_items);
+ vzalloc(mempool->items_priv_size * n_items);
if (mempool->memblocks_priv_arr[i] == NULL) {
status = VXGE_HW_ERR_OUT_OF_MEMORY;
goto exit;
}
- memset(mempool->memblocks_priv_arr[i], 0,
- mempool->items_priv_size * n_items);
-
/* allocate DMA-capable memblock */
mempool->memblocks_arr[i] =
__vxge_hw_blockpool_malloc(mempool->devh,
* with size enough to hold %items_initial number of items. Memory is
* DMA-able but client must map/unmap before interoperating with the device.
*/
-static struct vxge_hw_mempool*
-__vxge_hw_mempool_create(
- struct __vxge_hw_device *devh,
- u32 memblock_size,
- u32 item_size,
- u32 items_priv_size,
- u32 items_initial,
- u32 items_max,
- struct vxge_hw_mempool_cbs *mp_callback,
- void *userdata)
+static struct vxge_hw_mempool *
+__vxge_hw_mempool_create(struct __vxge_hw_device *devh,
+ u32 memblock_size,
+ u32 item_size,
+ u32 items_priv_size,
+ u32 items_initial,
+ u32 items_max,
+ struct vxge_hw_mempool_cbs *mp_callback,
+ void *userdata)
{
enum vxge_hw_status status = VXGE_HW_OK;
u32 memblocks_to_allocate;
goto exit;
}
- mempool = (struct vxge_hw_mempool *)
- vmalloc(sizeof(struct vxge_hw_mempool));
+ mempool = vzalloc(sizeof(struct vxge_hw_mempool));
if (mempool == NULL) {
status = VXGE_HW_ERR_OUT_OF_MEMORY;
goto exit;
}
- memset(mempool, 0, sizeof(struct vxge_hw_mempool));
mempool->devh = devh;
mempool->memblock_size = memblock_size;
/* allocate array of memblocks */
mempool->memblocks_arr =
- (void **) vmalloc(sizeof(void *) * mempool->memblocks_max);
+ vzalloc(sizeof(void *) * mempool->memblocks_max);
if (mempool->memblocks_arr == NULL) {
__vxge_hw_mempool_destroy(mempool);
status = VXGE_HW_ERR_OUT_OF_MEMORY;
mempool = NULL;
goto exit;
}
- memset(mempool->memblocks_arr, 0,
- sizeof(void *) * mempool->memblocks_max);
/* allocate array of private parts of items per memblocks */
mempool->memblocks_priv_arr =
- (void **) vmalloc(sizeof(void *) * mempool->memblocks_max);
+ vzalloc(sizeof(void *) * mempool->memblocks_max);
if (mempool->memblocks_priv_arr == NULL) {
__vxge_hw_mempool_destroy(mempool);
status = VXGE_HW_ERR_OUT_OF_MEMORY;
mempool = NULL;
goto exit;
}
- memset(mempool->memblocks_priv_arr, 0,
- sizeof(void *) * mempool->memblocks_max);
/* allocate array of memblocks DMA objects */
- mempool->memblocks_dma_arr = (struct vxge_hw_mempool_dma *)
- vmalloc(sizeof(struct vxge_hw_mempool_dma) *
+ mempool->memblocks_dma_arr =
+ vzalloc(sizeof(struct vxge_hw_mempool_dma) *
mempool->memblocks_max);
-
if (mempool->memblocks_dma_arr == NULL) {
__vxge_hw_mempool_destroy(mempool);
status = VXGE_HW_ERR_OUT_OF_MEMORY;
mempool = NULL;
goto exit;
}
- memset(mempool->memblocks_dma_arr, 0,
- sizeof(struct vxge_hw_mempool_dma) *
- mempool->memblocks_max);
/* allocate hash array of items */
- mempool->items_arr =
- (void **) vmalloc(sizeof(void *) * mempool->items_max);
+ mempool->items_arr = vzalloc(sizeof(void *) * mempool->items_max);
if (mempool->items_arr == NULL) {
__vxge_hw_mempool_destroy(mempool);
status = VXGE_HW_ERR_OUT_OF_MEMORY;
mempool = NULL;
goto exit;
}
- memset(mempool->items_arr, 0, sizeof(void *) * mempool->items_max);
/* calculate initial number of memblocks */
memblocks_to_allocate = (mempool->items_initial +
}
/*
- * vxge_hw_mempool_destroy
+ * __vxge_hw_ring_abort - Returns the RxD
+ * This function terminates the RxDs of ring
*/
-static void __vxge_hw_mempool_destroy(struct vxge_hw_mempool *mempool)
+static enum vxge_hw_status __vxge_hw_ring_abort(struct __vxge_hw_ring *ring)
{
- u32 i, j;
- struct __vxge_hw_device *devh = mempool->devh;
-
- for (i = 0; i < mempool->memblocks_allocated; i++) {
- struct vxge_hw_mempool_dma *dma_object;
+ void *rxdh;
+ struct __vxge_hw_channel *channel;
- vxge_assert(mempool->memblocks_arr[i]);
- vxge_assert(mempool->memblocks_dma_arr + i);
+ channel = &ring->channel;
- dma_object = mempool->memblocks_dma_arr + i;
+ for (;;) {
+ vxge_hw_channel_dtr_try_complete(channel, &rxdh);
- for (j = 0; j < mempool->items_per_memblock; j++) {
- u32 index = i * mempool->items_per_memblock + j;
+ if (rxdh == NULL)
+ break;
- /* to skip last partially filled(if any) memblock */
- if (index >= mempool->items_current)
- break;
- }
+ vxge_hw_channel_dtr_complete(channel);
- vfree(mempool->memblocks_priv_arr[i]);
+ if (ring->rxd_term)
+ ring->rxd_term(rxdh, VXGE_HW_RXD_STATE_POSTED,
+ channel->userdata);
- __vxge_hw_blockpool_free(devh, mempool->memblocks_arr[i],
- mempool->memblock_size, dma_object);
+ vxge_hw_channel_dtr_free(channel, rxdh);
}
- vfree(mempool->items_arr);
-
- vfree(mempool->memblocks_dma_arr);
-
- vfree(mempool->memblocks_priv_arr);
-
- vfree(mempool->memblocks_arr);
-
- vfree(mempool);
+ return VXGE_HW_OK;
}
/*
- * __vxge_hw_device_fifo_config_check - Check fifo configuration.
- * Check the fifo configuration
+ * __vxge_hw_ring_reset - Resets the ring
+ * This function resets the ring during vpath reset operation
*/
-enum vxge_hw_status
-__vxge_hw_device_fifo_config_check(struct vxge_hw_fifo_config *fifo_config)
+static enum vxge_hw_status __vxge_hw_ring_reset(struct __vxge_hw_ring *ring)
{
- if ((fifo_config->fifo_blocks < VXGE_HW_MIN_FIFO_BLOCKS) ||
- (fifo_config->fifo_blocks > VXGE_HW_MAX_FIFO_BLOCKS))
- return VXGE_HW_BADCFG_FIFO_BLOCKS;
+ enum vxge_hw_status status = VXGE_HW_OK;
+ struct __vxge_hw_channel *channel;
- return VXGE_HW_OK;
+ channel = &ring->channel;
+
+ __vxge_hw_ring_abort(ring);
+
+ status = __vxge_hw_channel_reset(channel);
+
+ if (status != VXGE_HW_OK)
+ goto exit;
+
+ if (ring->rxd_init) {
+ status = vxge_hw_ring_replenish(ring);
+ if (status != VXGE_HW_OK)
+ goto exit;
+ }
+exit:
+ return status;
}
/*
- * __vxge_hw_device_vpath_config_check - Check vpath configuration.
- * Check the vpath configuration
+ * __vxge_hw_ring_delete - Removes the ring
+ * This function freeup the memory pool and removes the ring
*/
static enum vxge_hw_status
-__vxge_hw_device_vpath_config_check(struct vxge_hw_vp_config *vp_config)
+__vxge_hw_ring_delete(struct __vxge_hw_vpath_handle *vp)
{
- enum vxge_hw_status status;
-
- if ((vp_config->min_bandwidth < VXGE_HW_VPATH_BANDWIDTH_MIN) ||
- (vp_config->min_bandwidth >
- VXGE_HW_VPATH_BANDWIDTH_MAX))
- return VXGE_HW_BADCFG_VPATH_MIN_BANDWIDTH;
+ struct __vxge_hw_ring *ring = vp->vpath->ringh;
- status = __vxge_hw_device_fifo_config_check(&vp_config->fifo);
- if (status != VXGE_HW_OK)
- return status;
+ __vxge_hw_ring_abort(ring);
- if ((vp_config->mtu != VXGE_HW_VPATH_USE_FLASH_DEFAULT_INITIAL_MTU) &&
- ((vp_config->mtu < VXGE_HW_VPATH_MIN_INITIAL_MTU) ||
- (vp_config->mtu > VXGE_HW_VPATH_MAX_INITIAL_MTU)))
- return VXGE_HW_BADCFG_VPATH_MTU;
+ if (ring->mempool)
+ __vxge_hw_mempool_destroy(ring->mempool);
- if ((vp_config->rpa_strip_vlan_tag !=
- VXGE_HW_VPATH_RPA_STRIP_VLAN_TAG_USE_FLASH_DEFAULT) &&
- (vp_config->rpa_strip_vlan_tag !=
- VXGE_HW_VPATH_RPA_STRIP_VLAN_TAG_ENABLE) &&
- (vp_config->rpa_strip_vlan_tag !=
- VXGE_HW_VPATH_RPA_STRIP_VLAN_TAG_DISABLE))
- return VXGE_HW_BADCFG_VPATH_RPA_STRIP_VLAN_TAG;
+ vp->vpath->ringh = NULL;
+ __vxge_hw_channel_free(&ring->channel);
return VXGE_HW_OK;
}
/*
- * __vxge_hw_device_config_check - Check device configuration.
- * Check the device configuration
+ * __vxge_hw_ring_create - Create a Ring
+ * This function creates Ring and initializes it.
*/
-enum vxge_hw_status
-__vxge_hw_device_config_check(struct vxge_hw_device_config *new_config)
+static enum vxge_hw_status
+__vxge_hw_ring_create(struct __vxge_hw_vpath_handle *vp,
+ struct vxge_hw_ring_attr *attr)
{
- u32 i;
- enum vxge_hw_status status;
+ enum vxge_hw_status status = VXGE_HW_OK;
+ struct __vxge_hw_ring *ring;
+ u32 ring_length;
+ struct vxge_hw_ring_config *config;
+ struct __vxge_hw_device *hldev;
+ u32 vp_id;
+ struct vxge_hw_mempool_cbs ring_mp_callback;
- if ((new_config->intr_mode != VXGE_HW_INTR_MODE_IRQLINE) &&
- (new_config->intr_mode != VXGE_HW_INTR_MODE_MSIX) &&
- (new_config->intr_mode != VXGE_HW_INTR_MODE_MSIX_ONE_SHOT) &&
- (new_config->intr_mode != VXGE_HW_INTR_MODE_DEF))
- return VXGE_HW_BADCFG_INTR_MODE;
+ if ((vp == NULL) || (attr == NULL)) {
+ status = VXGE_HW_FAIL;
+ goto exit;
+ }
- if ((new_config->rts_mac_en != VXGE_HW_RTS_MAC_DISABLE) &&
- (new_config->rts_mac_en != VXGE_HW_RTS_MAC_ENABLE))
- return VXGE_HW_BADCFG_RTS_MAC_EN;
+ hldev = vp->vpath->hldev;
+ vp_id = vp->vpath->vp_id;
- for (i = 0; i < VXGE_HW_MAX_VIRTUAL_PATHS; i++) {
- status = __vxge_hw_device_vpath_config_check(
- &new_config->vp_config[i]);
- if (status != VXGE_HW_OK)
- return status;
+ config = &hldev->config.vp_config[vp_id].ring;
+
+ ring_length = config->ring_blocks *
+ vxge_hw_ring_rxds_per_block_get(config->buffer_mode);
+
+ ring = (struct __vxge_hw_ring *)__vxge_hw_channel_allocate(vp,
+ VXGE_HW_CHANNEL_TYPE_RING,
+ ring_length,
+ attr->per_rxd_space,
+ attr->userdata);
+ if (ring == NULL) {
+ status = VXGE_HW_ERR_OUT_OF_MEMORY;
+ goto exit;
}
- return VXGE_HW_OK;
+ vp->vpath->ringh = ring;
+ ring->vp_id = vp_id;
+ ring->vp_reg = vp->vpath->vp_reg;
+ ring->common_reg = hldev->common_reg;
+ ring->stats = &vp->vpath->sw_stats->ring_stats;
+ ring->config = config;
+ ring->callback = attr->callback;
+ ring->rxd_init = attr->rxd_init;
+ ring->rxd_term = attr->rxd_term;
+ ring->buffer_mode = config->buffer_mode;
+ ring->rxds_limit = config->rxds_limit;
+
+ ring->rxd_size = vxge_hw_ring_rxd_size_get(config->buffer_mode);
+ ring->rxd_priv_size =
+ sizeof(struct __vxge_hw_ring_rxd_priv) + attr->per_rxd_space;
+ ring->per_rxd_space = attr->per_rxd_space;
+
+ ring->rxd_priv_size =
+ ((ring->rxd_priv_size + VXGE_CACHE_LINE_SIZE - 1) /
+ VXGE_CACHE_LINE_SIZE) * VXGE_CACHE_LINE_SIZE;
+
+ /* how many RxDs can fit into one block. Depends on configured
+ * buffer_mode. */
+ ring->rxds_per_block =
+ vxge_hw_ring_rxds_per_block_get(config->buffer_mode);
+
+ /* calculate actual RxD block private size */
+ ring->rxdblock_priv_size = ring->rxd_priv_size * ring->rxds_per_block;
+ ring_mp_callback.item_func_alloc = __vxge_hw_ring_mempool_item_alloc;
+ ring->mempool = __vxge_hw_mempool_create(hldev,
+ VXGE_HW_BLOCK_SIZE,
+ VXGE_HW_BLOCK_SIZE,
+ ring->rxdblock_priv_size,
+ ring->config->ring_blocks,
+ ring->config->ring_blocks,
+ &ring_mp_callback,
+ ring);
+ if (ring->mempool == NULL) {
+ __vxge_hw_ring_delete(vp);
+ return VXGE_HW_ERR_OUT_OF_MEMORY;
+ }
+
+ status = __vxge_hw_channel_initialize(&ring->channel);
+ if (status != VXGE_HW_OK) {
+ __vxge_hw_ring_delete(vp);
+ goto exit;
+ }
+
+ /* Note:
+ * Specifying rxd_init callback means two things:
+ * 1) rxds need to be initialized by driver at channel-open time;
+ * 2) rxds need to be posted at channel-open time
+ * (that's what the initial_replenish() below does)
+ * Currently we don't have a case when the 1) is done without the 2).
+ */
+ if (ring->rxd_init) {
+ status = vxge_hw_ring_replenish(ring);
+ if (status != VXGE_HW_OK) {
+ __vxge_hw_ring_delete(vp);
+ goto exit;
+ }
+ }
+
+ /* initial replenish will increment the counter in its post() routine,
+ * we have to reset it */
+ ring->stats->common_stats.usage_cnt = 0;
+exit:
+ return status;
}
/*
device_config->rts_mac_en = VXGE_HW_RTS_MAC_DEFAULT;
for (i = 0; i < VXGE_HW_MAX_VIRTUAL_PATHS; i++) {
-
device_config->vp_config[i].vp_id = i;
device_config->vp_config[i].min_bandwidth =
return VXGE_HW_OK;
}
-/*
- * _hw_legacy_swapper_set - Set the swapper bits for the legacy secion.
- * Set the swapper bits appropriately for the lagacy section.
- */
-static enum vxge_hw_status
-__vxge_hw_legacy_swapper_set(struct vxge_hw_legacy_reg __iomem *legacy_reg)
-{
- u64 val64;
- enum vxge_hw_status status = VXGE_HW_OK;
-
- val64 = readq(&legacy_reg->toc_swapper_fb);
-
- wmb();
-
- switch (val64) {
-
- case VXGE_HW_SWAPPER_INITIAL_VALUE:
- return status;
-
- case VXGE_HW_SWAPPER_BYTE_SWAPPED_BIT_FLIPPED:
- writeq(VXGE_HW_SWAPPER_READ_BYTE_SWAP_ENABLE,
- &legacy_reg->pifm_rd_swap_en);
- writeq(VXGE_HW_SWAPPER_READ_BIT_FLAP_ENABLE,
- &legacy_reg->pifm_rd_flip_en);
- writeq(VXGE_HW_SWAPPER_WRITE_BYTE_SWAP_ENABLE,
- &legacy_reg->pifm_wr_swap_en);
- writeq(VXGE_HW_SWAPPER_WRITE_BIT_FLAP_ENABLE,
- &legacy_reg->pifm_wr_flip_en);
- break;
-
- case VXGE_HW_SWAPPER_BYTE_SWAPPED:
- writeq(VXGE_HW_SWAPPER_READ_BYTE_SWAP_ENABLE,
- &legacy_reg->pifm_rd_swap_en);
- writeq(VXGE_HW_SWAPPER_WRITE_BYTE_SWAP_ENABLE,
- &legacy_reg->pifm_wr_swap_en);
- break;
-
- case VXGE_HW_SWAPPER_BIT_FLIPPED:
- writeq(VXGE_HW_SWAPPER_READ_BIT_FLAP_ENABLE,
- &legacy_reg->pifm_rd_flip_en);
- writeq(VXGE_HW_SWAPPER_WRITE_BIT_FLAP_ENABLE,
- &legacy_reg->pifm_wr_flip_en);
- break;
- }
-
- wmb();
-
- val64 = readq(&legacy_reg->toc_swapper_fb);
-
- if (val64 != VXGE_HW_SWAPPER_INITIAL_VALUE)
- status = VXGE_HW_ERR_SWAPPER_CTRL;
-
- return status;
-}
-
/*
* __vxge_hw_vpath_swapper_set - Set the swapper bits for the vpath.
* Set the swapper bits appropriately for the vpath.
* Set the swapper bits appropriately for the vpath.
*/
static enum vxge_hw_status
-__vxge_hw_kdfc_swapper_set(
- struct vxge_hw_legacy_reg __iomem *legacy_reg,
- struct vxge_hw_vpath_reg __iomem *vpath_reg)
+__vxge_hw_kdfc_swapper_set(struct vxge_hw_legacy_reg __iomem *legacy_reg,
+ struct vxge_hw_vpath_reg __iomem *vpath_reg)
{
u64 val64;
return status;
}
+/*
+ * __vxge_hw_fifo_abort - Returns the TxD
+ * This function terminates the TxDs of fifo
+ */
+static enum vxge_hw_status __vxge_hw_fifo_abort(struct __vxge_hw_fifo *fifo)
+{
+ void *txdlh;
+
+ for (;;) {
+ vxge_hw_channel_dtr_try_complete(&fifo->channel, &txdlh);
+
+ if (txdlh == NULL)
+ break;
+
+ vxge_hw_channel_dtr_complete(&fifo->channel);
+
+ if (fifo->txdl_term) {
+ fifo->txdl_term(txdlh,
+ VXGE_HW_TXDL_STATE_POSTED,
+ fifo->channel.userdata);
+ }
+
+ vxge_hw_channel_dtr_free(&fifo->channel, txdlh);
+ }
+
+ return VXGE_HW_OK;
+}
+
+/*
+ * __vxge_hw_fifo_reset - Resets the fifo
+ * This function resets the fifo during vpath reset operation
+ */
+static enum vxge_hw_status __vxge_hw_fifo_reset(struct __vxge_hw_fifo *fifo)
+{
+ enum vxge_hw_status status = VXGE_HW_OK;
+
+ __vxge_hw_fifo_abort(fifo);
+ status = __vxge_hw_channel_reset(&fifo->channel);
+
+ return status;
+}
+
+/*
+ * __vxge_hw_fifo_delete - Removes the FIFO
+ * This function freeup the memory pool and removes the FIFO
+ */
+static enum vxge_hw_status
+__vxge_hw_fifo_delete(struct __vxge_hw_vpath_handle *vp)
+{
+ struct __vxge_hw_fifo *fifo = vp->vpath->fifoh;
+
+ __vxge_hw_fifo_abort(fifo);
+
+ if (fifo->mempool)
+ __vxge_hw_mempool_destroy(fifo->mempool);
+
+ vp->vpath->fifoh = NULL;
+
+ __vxge_hw_channel_free(&fifo->channel);
+
+ return VXGE_HW_OK;
+}
+
/*
* __vxge_hw_fifo_mempool_item_alloc - Allocate List blocks for TxD
* list callback
* __vxge_hw_fifo_create - Create a FIFO
* This function creates FIFO and initializes it.
*/
-enum vxge_hw_status
+static enum vxge_hw_status
__vxge_hw_fifo_create(struct __vxge_hw_vpath_handle *vp,
struct vxge_hw_fifo_attr *attr)
{
}
/*
- * __vxge_hw_fifo_abort - Returns the TxD
- * This function terminates the TxDs of fifo
+ * __vxge_hw_vpath_pci_read - Read the content of given address
+ * in pci config space.
+ * Read from the vpath pci config space.
*/
-static enum vxge_hw_status __vxge_hw_fifo_abort(struct __vxge_hw_fifo *fifo)
+static enum vxge_hw_status
+__vxge_hw_vpath_pci_read(struct __vxge_hw_virtualpath *vpath,
+ u32 phy_func_0, u32 offset, u32 *val)
{
- void *txdlh;
-
- for (;;) {
- vxge_hw_channel_dtr_try_complete(&fifo->channel, &txdlh);
+ u64 val64;
+ enum vxge_hw_status status = VXGE_HW_OK;
+ struct vxge_hw_vpath_reg __iomem *vp_reg = vpath->vp_reg;
- if (txdlh == NULL)
- break;
+ val64 = VXGE_HW_PCI_CONFIG_ACCESS_CFG1_ADDRESS(offset);
- vxge_hw_channel_dtr_complete(&fifo->channel);
-
- if (fifo->txdl_term) {
- fifo->txdl_term(txdlh,
- VXGE_HW_TXDL_STATE_POSTED,
- fifo->channel.userdata);
- }
-
- vxge_hw_channel_dtr_free(&fifo->channel, txdlh);
- }
-
- return VXGE_HW_OK;
-}
-
-/*
- * __vxge_hw_fifo_reset - Resets the fifo
- * This function resets the fifo during vpath reset operation
- */
-static enum vxge_hw_status __vxge_hw_fifo_reset(struct __vxge_hw_fifo *fifo)
-{
- enum vxge_hw_status status = VXGE_HW_OK;
-
- __vxge_hw_fifo_abort(fifo);
- status = __vxge_hw_channel_reset(&fifo->channel);
-
- return status;
-}
-
-/*
- * __vxge_hw_fifo_delete - Removes the FIFO
- * This function freeup the memory pool and removes the FIFO
- */
-enum vxge_hw_status __vxge_hw_fifo_delete(struct __vxge_hw_vpath_handle *vp)
-{
- struct __vxge_hw_fifo *fifo = vp->vpath->fifoh;
-
- __vxge_hw_fifo_abort(fifo);
-
- if (fifo->mempool)
- __vxge_hw_mempool_destroy(fifo->mempool);
-
- vp->vpath->fifoh = NULL;
-
- __vxge_hw_channel_free(&fifo->channel);
-
- return VXGE_HW_OK;
-}
-
-/*
- * __vxge_hw_vpath_pci_read - Read the content of given address
- * in pci config space.
- * Read from the vpath pci config space.
- */
-static enum vxge_hw_status
-__vxge_hw_vpath_pci_read(struct __vxge_hw_virtualpath *vpath,
- u32 phy_func_0, u32 offset, u32 *val)
-{
- u64 val64;
- enum vxge_hw_status status = VXGE_HW_OK;
- struct vxge_hw_vpath_reg __iomem *vp_reg = vpath->vp_reg;
-
- val64 = VXGE_HW_PCI_CONFIG_ACCESS_CFG1_ADDRESS(offset);
-
- if (phy_func_0)
- val64 |= VXGE_HW_PCI_CONFIG_ACCESS_CFG1_SEL_FUNC0;
+ if (phy_func_0)
+ val64 |= VXGE_HW_PCI_CONFIG_ACCESS_CFG1_SEL_FUNC0;
writeq(val64, &vp_reg->pci_config_access_cfg1);
wmb();
return status;
}
-/*
- * __vxge_hw_vpath_func_id_get - Get the function id of the vpath.
- * Returns the function number of the vpath.
- */
-static u32
-__vxge_hw_vpath_func_id_get(u32 vp_id,
- struct vxge_hw_vpmgmt_reg __iomem *vpmgmt_reg)
-{
- u64 val64;
-
- val64 = readq(&vpmgmt_reg->vpath_to_func_map_cfg1);
-
- return
- (u32)VXGE_HW_VPATH_TO_FUNC_MAP_CFG1_GET_VPATH_TO_FUNC_MAP_CFG1(val64);
-}
-
-/*
- * __vxge_hw_read_rts_ds - Program RTS steering critieria
- */
-static inline void
-__vxge_hw_read_rts_ds(struct vxge_hw_vpath_reg __iomem *vpath_reg,
- u64 dta_struct_sel)
-{
- writeq(0, &vpath_reg->rts_access_steer_ctrl);
- wmb();
- writeq(dta_struct_sel, &vpath_reg->rts_access_steer_data0);
- writeq(0, &vpath_reg->rts_access_steer_data1);
- wmb();
-}
-
-
-/*
- * __vxge_hw_vpath_card_info_get - Get the serial numbers,
- * part number and product description.
- */
-static enum vxge_hw_status
-__vxge_hw_vpath_card_info_get(
- u32 vp_id,
- struct vxge_hw_vpath_reg __iomem *vpath_reg,
- struct vxge_hw_device_hw_info *hw_info)
-{
- u32 i, j;
- u64 val64;
- u64 data1 = 0ULL;
- u64 data2 = 0ULL;
- enum vxge_hw_status status = VXGE_HW_OK;
- u8 *serial_number = hw_info->serial_number;
- u8 *part_number = hw_info->part_number;
- u8 *product_desc = hw_info->product_desc;
-
- __vxge_hw_read_rts_ds(vpath_reg,
- VXGE_HW_RTS_ACCESS_STEER_DATA0_MEMO_ITEM_SERIAL_NUMBER);
-
- val64 = VXGE_HW_RTS_ACCESS_STEER_CTRL_ACTION(
- VXGE_HW_RTS_ACCESS_STEER_CTRL_ACTION_READ_MEMO_ENTRY) |
- VXGE_HW_RTS_ACCESS_STEER_CTRL_DATA_STRUCT_SEL(
- VXGE_HW_RTS_ACCESS_STEER_CTRL_DATA_STRUCT_SEL_FW_MEMO) |
- VXGE_HW_RTS_ACCESS_STEER_CTRL_STROBE |
- VXGE_HW_RTS_ACCESS_STEER_CTRL_OFFSET(0);
-
- status = __vxge_hw_pio_mem_write64(val64,
- &vpath_reg->rts_access_steer_ctrl,
- VXGE_HW_RTS_ACCESS_STEER_CTRL_STROBE,
- VXGE_HW_DEF_DEVICE_POLL_MILLIS);
-
- if (status != VXGE_HW_OK)
- return status;
-
- val64 = readq(&vpath_reg->rts_access_steer_ctrl);
-
- if (val64 & VXGE_HW_RTS_ACCESS_STEER_CTRL_RMACJ_STATUS) {
- data1 = readq(&vpath_reg->rts_access_steer_data0);
- ((u64 *)serial_number)[0] = be64_to_cpu(data1);
-
- data2 = readq(&vpath_reg->rts_access_steer_data1);
- ((u64 *)serial_number)[1] = be64_to_cpu(data2);
- status = VXGE_HW_OK;
- } else
- *serial_number = 0;
-
- __vxge_hw_read_rts_ds(vpath_reg,
- VXGE_HW_RTS_ACCESS_STEER_DATA0_MEMO_ITEM_PART_NUMBER);
-
- val64 = VXGE_HW_RTS_ACCESS_STEER_CTRL_ACTION(
- VXGE_HW_RTS_ACCESS_STEER_CTRL_ACTION_READ_MEMO_ENTRY) |
- VXGE_HW_RTS_ACCESS_STEER_CTRL_DATA_STRUCT_SEL(
- VXGE_HW_RTS_ACCESS_STEER_CTRL_DATA_STRUCT_SEL_FW_MEMO) |
- VXGE_HW_RTS_ACCESS_STEER_CTRL_STROBE |
- VXGE_HW_RTS_ACCESS_STEER_CTRL_OFFSET(0);
-
- status = __vxge_hw_pio_mem_write64(val64,
- &vpath_reg->rts_access_steer_ctrl,
- VXGE_HW_RTS_ACCESS_STEER_CTRL_STROBE,
- VXGE_HW_DEF_DEVICE_POLL_MILLIS);
-
- if (status != VXGE_HW_OK)
- return status;
-
- val64 = readq(&vpath_reg->rts_access_steer_ctrl);
-
- if (val64 & VXGE_HW_RTS_ACCESS_STEER_CTRL_RMACJ_STATUS) {
-
- data1 = readq(&vpath_reg->rts_access_steer_data0);
- ((u64 *)part_number)[0] = be64_to_cpu(data1);
-
- data2 = readq(&vpath_reg->rts_access_steer_data1);
- ((u64 *)part_number)[1] = be64_to_cpu(data2);
-
- status = VXGE_HW_OK;
-
- } else
- *part_number = 0;
-
- j = 0;
-
- for (i = VXGE_HW_RTS_ACCESS_STEER_DATA0_MEMO_ITEM_DESC_0;
- i <= VXGE_HW_RTS_ACCESS_STEER_DATA0_MEMO_ITEM_DESC_3; i++) {
-
- __vxge_hw_read_rts_ds(vpath_reg, i);
-
- val64 = VXGE_HW_RTS_ACCESS_STEER_CTRL_ACTION(
- VXGE_HW_RTS_ACCESS_STEER_CTRL_ACTION_READ_MEMO_ENTRY) |
- VXGE_HW_RTS_ACCESS_STEER_CTRL_DATA_STRUCT_SEL(
- VXGE_HW_RTS_ACCESS_STEER_CTRL_DATA_STRUCT_SEL_FW_MEMO) |
- VXGE_HW_RTS_ACCESS_STEER_CTRL_STROBE |
- VXGE_HW_RTS_ACCESS_STEER_CTRL_OFFSET(0);
-
- status = __vxge_hw_pio_mem_write64(val64,
- &vpath_reg->rts_access_steer_ctrl,
- VXGE_HW_RTS_ACCESS_STEER_CTRL_STROBE,
- VXGE_HW_DEF_DEVICE_POLL_MILLIS);
-
- if (status != VXGE_HW_OK)
- return status;
-
- val64 = readq(&vpath_reg->rts_access_steer_ctrl);
-
- if (val64 & VXGE_HW_RTS_ACCESS_STEER_CTRL_RMACJ_STATUS) {
-
- data1 = readq(&vpath_reg->rts_access_steer_data0);
- ((u64 *)product_desc)[j++] = be64_to_cpu(data1);
-
- data2 = readq(&vpath_reg->rts_access_steer_data1);
- ((u64 *)product_desc)[j++] = be64_to_cpu(data2);
-
- status = VXGE_HW_OK;
- } else
- *product_desc = 0;
- }
-
- return status;
-}
-
-/*
- * __vxge_hw_vpath_fw_ver_get - Get the fw version
- * Returns FW Version
- */
-static enum vxge_hw_status
-__vxge_hw_vpath_fw_ver_get(
- u32 vp_id,
- struct vxge_hw_vpath_reg __iomem *vpath_reg,
- struct vxge_hw_device_hw_info *hw_info)
-{
- u64 val64;
- u64 data1 = 0ULL;
- u64 data2 = 0ULL;
- struct vxge_hw_device_version *fw_version = &hw_info->fw_version;
- struct vxge_hw_device_date *fw_date = &hw_info->fw_date;
- struct vxge_hw_device_version *flash_version = &hw_info->flash_version;
- struct vxge_hw_device_date *flash_date = &hw_info->flash_date;
- enum vxge_hw_status status = VXGE_HW_OK;
-
- val64 = VXGE_HW_RTS_ACCESS_STEER_CTRL_ACTION(
- VXGE_HW_RTS_ACCESS_STEER_CTRL_ACTION_READ_ENTRY) |
- VXGE_HW_RTS_ACCESS_STEER_CTRL_DATA_STRUCT_SEL(
- VXGE_HW_RTS_ACCESS_STEER_CTRL_DATA_STRUCT_SEL_FW_MEMO) |
- VXGE_HW_RTS_ACCESS_STEER_CTRL_STROBE |
- VXGE_HW_RTS_ACCESS_STEER_CTRL_OFFSET(0);
-
- status = __vxge_hw_pio_mem_write64(val64,
- &vpath_reg->rts_access_steer_ctrl,
- VXGE_HW_RTS_ACCESS_STEER_CTRL_STROBE,
- VXGE_HW_DEF_DEVICE_POLL_MILLIS);
-
- if (status != VXGE_HW_OK)
- goto exit;
-
- val64 = readq(&vpath_reg->rts_access_steer_ctrl);
-
- if (val64 & VXGE_HW_RTS_ACCESS_STEER_CTRL_RMACJ_STATUS) {
-
- data1 = readq(&vpath_reg->rts_access_steer_data0);
- data2 = readq(&vpath_reg->rts_access_steer_data1);
-
- fw_date->day =
- (u32)VXGE_HW_RTS_ACCESS_STEER_DATA0_GET_FW_VER_DAY(
- data1);
- fw_date->month =
- (u32)VXGE_HW_RTS_ACCESS_STEER_DATA0_GET_FW_VER_MONTH(
- data1);
- fw_date->year =
- (u32)VXGE_HW_RTS_ACCESS_STEER_DATA0_GET_FW_VER_YEAR(
- data1);
-
- snprintf(fw_date->date, VXGE_HW_FW_STRLEN, "%2.2d/%2.2d/%4.4d",
- fw_date->month, fw_date->day, fw_date->year);
-
- fw_version->major =
- (u32)VXGE_HW_RTS_ACCESS_STEER_DATA0_GET_FW_VER_MAJOR(data1);
- fw_version->minor =
- (u32)VXGE_HW_RTS_ACCESS_STEER_DATA0_GET_FW_VER_MINOR(data1);
- fw_version->build =
- (u32)VXGE_HW_RTS_ACCESS_STEER_DATA0_GET_FW_VER_BUILD(data1);
-
- snprintf(fw_version->version, VXGE_HW_FW_STRLEN, "%d.%d.%d",
- fw_version->major, fw_version->minor, fw_version->build);
-
- flash_date->day =
- (u32)VXGE_HW_RTS_ACCESS_STEER_DATA1_GET_FLASH_VER_DAY(data2);
- flash_date->month =
- (u32)VXGE_HW_RTS_ACCESS_STEER_DATA1_GET_FLASH_VER_MONTH(data2);
- flash_date->year =
- (u32)VXGE_HW_RTS_ACCESS_STEER_DATA1_GET_FLASH_VER_YEAR(data2);
-
- snprintf(flash_date->date, VXGE_HW_FW_STRLEN,
- "%2.2d/%2.2d/%4.4d",
- flash_date->month, flash_date->day, flash_date->year);
-
- flash_version->major =
- (u32)VXGE_HW_RTS_ACCESS_STEER_DATA1_GET_FLASH_VER_MAJOR(data2);
- flash_version->minor =
- (u32)VXGE_HW_RTS_ACCESS_STEER_DATA1_GET_FLASH_VER_MINOR(data2);
- flash_version->build =
- (u32)VXGE_HW_RTS_ACCESS_STEER_DATA1_GET_FLASH_VER_BUILD(data2);
-
- snprintf(flash_version->version, VXGE_HW_FW_STRLEN, "%d.%d.%d",
- flash_version->major, flash_version->minor,
- flash_version->build);
-
- status = VXGE_HW_OK;
-
- } else
- status = VXGE_HW_FAIL;
-exit:
- return status;
-}
-
-/*
- * __vxge_hw_vpath_pci_func_mode_get - Get the pci mode
- * Returns pci function mode
- */
-static u64
-__vxge_hw_vpath_pci_func_mode_get(
- u32 vp_id,
- struct vxge_hw_vpath_reg __iomem *vpath_reg)
-{
- u64 val64;
- u64 data1 = 0ULL;
- enum vxge_hw_status status = VXGE_HW_OK;
-
- __vxge_hw_read_rts_ds(vpath_reg,
- VXGE_HW_RTS_ACCESS_STEER_DATA0_MEMO_ITEM_PCI_MODE);
-
- val64 = VXGE_HW_RTS_ACCESS_STEER_CTRL_ACTION(
- VXGE_HW_RTS_ACCESS_STEER_CTRL_ACTION_READ_MEMO_ENTRY) |
- VXGE_HW_RTS_ACCESS_STEER_CTRL_DATA_STRUCT_SEL(
- VXGE_HW_RTS_ACCESS_STEER_CTRL_DATA_STRUCT_SEL_FW_MEMO) |
- VXGE_HW_RTS_ACCESS_STEER_CTRL_STROBE |
- VXGE_HW_RTS_ACCESS_STEER_CTRL_OFFSET(0);
-
- status = __vxge_hw_pio_mem_write64(val64,
- &vpath_reg->rts_access_steer_ctrl,
- VXGE_HW_RTS_ACCESS_STEER_CTRL_STROBE,
- VXGE_HW_DEF_DEVICE_POLL_MILLIS);
-
- if (status != VXGE_HW_OK)
- goto exit;
-
- val64 = readq(&vpath_reg->rts_access_steer_ctrl);
-
- if (val64 & VXGE_HW_RTS_ACCESS_STEER_CTRL_RMACJ_STATUS) {
- data1 = readq(&vpath_reg->rts_access_steer_data0);
- status = VXGE_HW_OK;
- } else {
- data1 = 0;
- status = VXGE_HW_FAIL;
- }
-exit:
- return data1;
-}
-
/**
* vxge_hw_device_flick_link_led - Flick (blink) link LED.
* @hldev: HW device.
* Flicker the link LED.
*/
enum vxge_hw_status
-vxge_hw_device_flick_link_led(struct __vxge_hw_device *hldev,
- u64 on_off)
+vxge_hw_device_flick_link_led(struct __vxge_hw_device *hldev, u64 on_off)
{
- u64 val64;
- enum vxge_hw_status status = VXGE_HW_OK;
- struct vxge_hw_vpath_reg __iomem *vp_reg;
+ struct __vxge_hw_virtualpath *vpath;
+ u64 data0, data1 = 0, steer_ctrl = 0;
+ enum vxge_hw_status status;
if (hldev == NULL) {
status = VXGE_HW_ERR_INVALID_DEVICE;
goto exit;
}
- vp_reg = hldev->vpath_reg[hldev->first_vp_id];
-
- writeq(0, &vp_reg->rts_access_steer_ctrl);
- wmb();
- writeq(on_off, &vp_reg->rts_access_steer_data0);
- writeq(0, &vp_reg->rts_access_steer_data1);
- wmb();
-
- val64 = VXGE_HW_RTS_ACCESS_STEER_CTRL_ACTION(
- VXGE_HW_RTS_ACCESS_STEER_CTRL_ACTION_LED_CONTROL) |
- VXGE_HW_RTS_ACCESS_STEER_CTRL_DATA_STRUCT_SEL(
- VXGE_HW_RTS_ACCESS_STEER_CTRL_DATA_STRUCT_SEL_FW_MEMO) |
- VXGE_HW_RTS_ACCESS_STEER_CTRL_STROBE |
- VXGE_HW_RTS_ACCESS_STEER_CTRL_OFFSET(0);
+ vpath = &hldev->virtual_paths[hldev->first_vp_id];
- status = __vxge_hw_pio_mem_write64(val64,
- &vp_reg->rts_access_steer_ctrl,
- VXGE_HW_RTS_ACCESS_STEER_CTRL_STROBE,
- VXGE_HW_DEF_DEVICE_POLL_MILLIS);
+ data0 = on_off;
+ status = vxge_hw_vpath_fw_api(vpath,
+ VXGE_HW_RTS_ACCESS_STEER_CTRL_ACTION_LED_CONTROL,
+ VXGE_HW_RTS_ACCESS_STEER_CTRL_DATA_STRUCT_SEL_FW_MEMO,
+ 0, &data0, &data1, &steer_ctrl);
exit:
return status;
}
* __vxge_hw_vpath_rts_table_get - Get the entries from RTS access tables
*/
enum vxge_hw_status
-__vxge_hw_vpath_rts_table_get(
- struct __vxge_hw_vpath_handle *vp,
- u32 action, u32 rts_table, u32 offset, u64 *data1, u64 *data2)
+__vxge_hw_vpath_rts_table_get(struct __vxge_hw_vpath_handle *vp,
+ u32 action, u32 rts_table, u32 offset,
+ u64 *data0, u64 *data1)
{
- u64 val64;
- struct __vxge_hw_virtualpath *vpath;
- struct vxge_hw_vpath_reg __iomem *vp_reg;
-
- enum vxge_hw_status status = VXGE_HW_OK;
+ enum vxge_hw_status status;
+ u64 steer_ctrl = 0;
if (vp == NULL) {
status = VXGE_HW_ERR_INVALID_HANDLE;
goto exit;
}
- vpath = vp->vpath;
- vp_reg = vpath->vp_reg;
-
- val64 = VXGE_HW_RTS_ACCESS_STEER_CTRL_ACTION(action) |
- VXGE_HW_RTS_ACCESS_STEER_CTRL_DATA_STRUCT_SEL(rts_table) |
- VXGE_HW_RTS_ACCESS_STEER_CTRL_STROBE |
- VXGE_HW_RTS_ACCESS_STEER_CTRL_OFFSET(offset);
-
if ((rts_table ==
- VXGE_HW_RTS_ACS_STEER_CTRL_DATA_STRUCT_SEL_RTH_SOLO_IT) ||
+ VXGE_HW_RTS_ACS_STEER_CTRL_DATA_STRUCT_SEL_RTH_SOLO_IT) ||
(rts_table ==
- VXGE_HW_RTS_ACS_STEER_CTRL_DATA_STRUCT_SEL_RTH_MULTI_IT) ||
+ VXGE_HW_RTS_ACS_STEER_CTRL_DATA_STRUCT_SEL_RTH_MULTI_IT) ||
(rts_table ==
- VXGE_HW_RTS_ACCESS_STEER_CTRL_DATA_STRUCT_SEL_RTH_MASK) ||
+ VXGE_HW_RTS_ACCESS_STEER_CTRL_DATA_STRUCT_SEL_RTH_MASK) ||
(rts_table ==
- VXGE_HW_RTS_ACCESS_STEER_CTRL_DATA_STRUCT_SEL_RTH_KEY)) {
- val64 = val64 | VXGE_HW_RTS_ACCESS_STEER_CTRL_TABLE_SEL;
+ VXGE_HW_RTS_ACCESS_STEER_CTRL_DATA_STRUCT_SEL_RTH_KEY)) {
+ steer_ctrl = VXGE_HW_RTS_ACCESS_STEER_CTRL_TABLE_SEL;
}
- status = __vxge_hw_pio_mem_write64(val64,
- &vp_reg->rts_access_steer_ctrl,
- VXGE_HW_RTS_ACCESS_STEER_CTRL_STROBE,
- vpath->hldev->config.device_poll_millis);
-
+ status = vxge_hw_vpath_fw_api(vp->vpath, action, rts_table, offset,
+ data0, data1, &steer_ctrl);
if (status != VXGE_HW_OK)
goto exit;
- val64 = readq(&vp_reg->rts_access_steer_ctrl);
-
- if (val64 & VXGE_HW_RTS_ACCESS_STEER_CTRL_RMACJ_STATUS) {
-
- *data1 = readq(&vp_reg->rts_access_steer_data0);
-
- if ((rts_table ==
- VXGE_HW_RTS_ACCESS_STEER_CTRL_DATA_STRUCT_SEL_DA) ||
- (rts_table ==
- VXGE_HW_RTS_ACS_STEER_CTRL_DATA_STRUCT_SEL_RTH_MULTI_IT)) {
- *data2 = readq(&vp_reg->rts_access_steer_data1);
- }
- status = VXGE_HW_OK;
- } else
- status = VXGE_HW_FAIL;
+ if ((rts_table != VXGE_HW_RTS_ACCESS_STEER_CTRL_DATA_STRUCT_SEL_DA) &&
+ (rts_table !=
+ VXGE_HW_RTS_ACS_STEER_CTRL_DATA_STRUCT_SEL_RTH_MULTI_IT))
+ *data1 = 0;
exit:
return status;
}
* __vxge_hw_vpath_rts_table_set - Set the entries of RTS access tables
*/
enum vxge_hw_status
-__vxge_hw_vpath_rts_table_set(
- struct __vxge_hw_vpath_handle *vp, u32 action, u32 rts_table,
- u32 offset, u64 data1, u64 data2)
+__vxge_hw_vpath_rts_table_set(struct __vxge_hw_vpath_handle *vp, u32 action,
+ u32 rts_table, u32 offset, u64 steer_data0,
+ u64 steer_data1)
{
- u64 val64;
- struct __vxge_hw_virtualpath *vpath;
- enum vxge_hw_status status = VXGE_HW_OK;
- struct vxge_hw_vpath_reg __iomem *vp_reg;
+ u64 data0, data1 = 0, steer_ctrl = 0;
+ enum vxge_hw_status status;
if (vp == NULL) {
status = VXGE_HW_ERR_INVALID_HANDLE;
goto exit;
}
- vpath = vp->vpath;
- vp_reg = vpath->vp_reg;
-
- writeq(data1, &vp_reg->rts_access_steer_data0);
- wmb();
+ data0 = steer_data0;
if ((rts_table == VXGE_HW_RTS_ACCESS_STEER_CTRL_DATA_STRUCT_SEL_DA) ||
(rts_table ==
- VXGE_HW_RTS_ACS_STEER_CTRL_DATA_STRUCT_SEL_RTH_MULTI_IT)) {
- writeq(data2, &vp_reg->rts_access_steer_data1);
- wmb();
- }
+ VXGE_HW_RTS_ACS_STEER_CTRL_DATA_STRUCT_SEL_RTH_MULTI_IT))
+ data1 = steer_data1;
- val64 = VXGE_HW_RTS_ACCESS_STEER_CTRL_ACTION(action) |
- VXGE_HW_RTS_ACCESS_STEER_CTRL_DATA_STRUCT_SEL(rts_table) |
- VXGE_HW_RTS_ACCESS_STEER_CTRL_STROBE |
- VXGE_HW_RTS_ACCESS_STEER_CTRL_OFFSET(offset);
-
- status = __vxge_hw_pio_mem_write64(val64,
- &vp_reg->rts_access_steer_ctrl,
- VXGE_HW_RTS_ACCESS_STEER_CTRL_STROBE,
- vpath->hldev->config.device_poll_millis);
-
- if (status != VXGE_HW_OK)
- goto exit;
-
- val64 = readq(&vp_reg->rts_access_steer_ctrl);
-
- if (val64 & VXGE_HW_RTS_ACCESS_STEER_CTRL_RMACJ_STATUS)
- status = VXGE_HW_OK;
- else
- status = VXGE_HW_FAIL;
-exit:
- return status;
-}
-
-/*
- * __vxge_hw_vpath_addr_get - Get the hw address entry for this vpath
- * from MAC address table.
- */
-static enum vxge_hw_status
-__vxge_hw_vpath_addr_get(
- u32 vp_id, struct vxge_hw_vpath_reg __iomem *vpath_reg,
- u8 (macaddr)[ETH_ALEN], u8 (macaddr_mask)[ETH_ALEN])
-{
- u32 i;
- u64 val64;
- u64 data1 = 0ULL;
- u64 data2 = 0ULL;
- enum vxge_hw_status status = VXGE_HW_OK;
-
- val64 = VXGE_HW_RTS_ACCESS_STEER_CTRL_ACTION(
- VXGE_HW_RTS_ACCESS_STEER_CTRL_ACTION_LIST_FIRST_ENTRY) |
- VXGE_HW_RTS_ACCESS_STEER_CTRL_DATA_STRUCT_SEL(
- VXGE_HW_RTS_ACCESS_STEER_CTRL_DATA_STRUCT_SEL_DA) |
- VXGE_HW_RTS_ACCESS_STEER_CTRL_STROBE |
- VXGE_HW_RTS_ACCESS_STEER_CTRL_OFFSET(0);
-
- status = __vxge_hw_pio_mem_write64(val64,
- &vpath_reg->rts_access_steer_ctrl,
- VXGE_HW_RTS_ACCESS_STEER_CTRL_STROBE,
- VXGE_HW_DEF_DEVICE_POLL_MILLIS);
-
- if (status != VXGE_HW_OK)
- goto exit;
-
- val64 = readq(&vpath_reg->rts_access_steer_ctrl);
-
- if (val64 & VXGE_HW_RTS_ACCESS_STEER_CTRL_RMACJ_STATUS) {
-
- data1 = readq(&vpath_reg->rts_access_steer_data0);
- data2 = readq(&vpath_reg->rts_access_steer_data1);
-
- data1 = VXGE_HW_RTS_ACCESS_STEER_DATA0_GET_DA_MAC_ADDR(data1);
- data2 = VXGE_HW_RTS_ACCESS_STEER_DATA1_GET_DA_MAC_ADDR_MASK(
- data2);
-
- for (i = ETH_ALEN; i > 0; i--) {
- macaddr[i-1] = (u8)(data1 & 0xFF);
- data1 >>= 8;
-
- macaddr_mask[i-1] = (u8)(data2 & 0xFF);
- data2 >>= 8;
- }
- status = VXGE_HW_OK;
- } else
- status = VXGE_HW_FAIL;
+ status = vxge_hw_vpath_fw_api(vp->vpath, action, rts_table, offset,
+ &data0, &data1, &steer_ctrl);
exit:
return status;
}
VXGE_HW_RTS_ACCESS_STEER_CTRL_ACTION_READ_ENTRY,
VXGE_HW_RTS_ACCESS_STEER_CTRL_DATA_STRUCT_SEL_RTH_GEN_CFG,
0, &data0, &data1);
+ if (status != VXGE_HW_OK)
+ goto exit;
data0 &= ~(VXGE_HW_RTS_ACCESS_STEER_DATA0_RTH_GEN_BUCKET_SIZE(0xf) |
VXGE_HW_RTS_ACCESS_STEER_DATA0_RTH_GEN_ALG_SEL(0x3));
vp_reg = vpath->vp_reg;
config = vpath->vp_config;
- writeq((u64)0, &vp_reg->tim_dest_addr);
- writeq((u64)0, &vp_reg->tim_vpath_map);
- writeq((u64)0, &vp_reg->tim_bitmap);
- writeq((u64)0, &vp_reg->tim_remap);
+ writeq(0, &vp_reg->tim_dest_addr);
+ writeq(0, &vp_reg->tim_vpath_map);
+ writeq(0, &vp_reg->tim_bitmap);
+ writeq(0, &vp_reg->tim_remap);
if (config->ring.enable == VXGE_HW_RING_ENABLE)
writeq(VXGE_HW_TIM_RING_ASSN_INT_NUM(
if (config->tti.util_sel != VXGE_HW_USE_FLASH_DEFAULT) {
val64 &= ~VXGE_HW_TIM_CFG3_INT_NUM_UTIL_SEL(0x3f);
- val64 |= VXGE_HW_TIM_CFG3_INT_NUM_UTIL_SEL(
- config->tti.util_sel);
+ val64 |= VXGE_HW_TIM_CFG3_INT_NUM_UTIL_SEL(vp_id);
}
if (config->tti.ltimer_val != VXGE_HW_USE_FLASH_DEFAULT) {
if (config->rti.util_sel != VXGE_HW_USE_FLASH_DEFAULT) {
val64 &= ~VXGE_HW_TIM_CFG3_INT_NUM_UTIL_SEL(0x3f);
- val64 |= VXGE_HW_TIM_CFG3_INT_NUM_UTIL_SEL(
- config->rti.util_sel);
+ val64 |= VXGE_HW_TIM_CFG3_INT_NUM_UTIL_SEL(vp_id);
}
if (config->rti.ltimer_val != VXGE_HW_USE_FLASH_DEFAULT) {
writeq(val64, &vp_reg->tim_cfg2_int_num[VXGE_HW_VPATH_INTR_BMAP]);
writeq(val64, &vp_reg->tim_cfg3_int_num[VXGE_HW_VPATH_INTR_BMAP]);
+ val64 = VXGE_HW_TIM_WRKLD_CLC_WRKLD_EVAL_PRD(150);
+ val64 |= VXGE_HW_TIM_WRKLD_CLC_WRKLD_EVAL_DIV(0);
+ val64 |= VXGE_HW_TIM_WRKLD_CLC_CNT_RX_TX(3);
+ writeq(val64, &vp_reg->tim_wrkld_clc);
+
return status;
}
-void
-vxge_hw_vpath_tti_ci_set(struct __vxge_hw_device *hldev, u32 vp_id)
+void vxge_hw_vpath_tti_ci_set(struct __vxge_hw_device *hldev, u32 vp_id)
{
struct __vxge_hw_virtualpath *vpath;
struct vxge_hw_vpath_reg __iomem *vp_reg;
vp_reg = vpath->vp_reg;
config = vpath->vp_config;
- if (config->fifo.enable == VXGE_HW_FIFO_ENABLE) {
+ if (config->fifo.enable == VXGE_HW_FIFO_ENABLE &&
+ config->tti.timer_ci_en != VXGE_HW_TIM_TIMER_CI_ENABLE) {
+ config->tti.timer_ci_en = VXGE_HW_TIM_TIMER_CI_ENABLE;
val64 = readq(&vp_reg->tim_cfg1_int_num[VXGE_HW_VPATH_INTR_TX]);
-
- if (config->tti.timer_ci_en != VXGE_HW_TIM_TIMER_CI_ENABLE) {
- config->tti.timer_ci_en = VXGE_HW_TIM_TIMER_CI_ENABLE;
- val64 |= VXGE_HW_TIM_CFG1_INT_NUM_TIMER_CI;
- writeq(val64,
- &vp_reg->tim_cfg1_int_num[VXGE_HW_VPATH_INTR_TX]);
- }
- }
-}
-/*
- * __vxge_hw_vpath_initialize
- * This routine is the final phase of init which initializes the
- * registers of the vpath using the configuration passed.
- */
-static enum vxge_hw_status
-__vxge_hw_vpath_initialize(struct __vxge_hw_device *hldev, u32 vp_id)
-{
- u64 val64;
- u32 val32;
- enum vxge_hw_status status = VXGE_HW_OK;
- struct __vxge_hw_virtualpath *vpath;
- struct vxge_hw_vpath_reg __iomem *vp_reg;
-
- vpath = &hldev->virtual_paths[vp_id];
-
- if (!(hldev->vpath_assignments & vxge_mBIT(vp_id))) {
- status = VXGE_HW_ERR_VPATH_NOT_AVAILABLE;
- goto exit;
- }
- vp_reg = vpath->vp_reg;
-
- status = __vxge_hw_vpath_swapper_set(vpath->vp_reg);
-
- if (status != VXGE_HW_OK)
- goto exit;
-
- status = __vxge_hw_vpath_mac_configure(hldev, vp_id);
-
- if (status != VXGE_HW_OK)
- goto exit;
-
- status = __vxge_hw_vpath_kdfc_configure(hldev, vp_id);
-
- if (status != VXGE_HW_OK)
- goto exit;
-
- status = __vxge_hw_vpath_tim_configure(hldev, vp_id);
-
- if (status != VXGE_HW_OK)
- goto exit;
-
- val64 = readq(&vp_reg->rtdma_rd_optimization_ctrl);
-
- /* Get MRRS value from device control */
- status = __vxge_hw_vpath_pci_read(vpath, 1, 0x78, &val32);
-
- if (status == VXGE_HW_OK) {
- val32 = (val32 & VXGE_HW_PCI_EXP_DEVCTL_READRQ) >> 12;
- val64 &=
- ~(VXGE_HW_RTDMA_RD_OPTIMIZATION_CTRL_FB_FILL_THRESH(7));
- val64 |=
- VXGE_HW_RTDMA_RD_OPTIMIZATION_CTRL_FB_FILL_THRESH(val32);
-
- val64 |= VXGE_HW_RTDMA_RD_OPTIMIZATION_CTRL_FB_WAIT_FOR_SPACE;
- }
-
- val64 &= ~(VXGE_HW_RTDMA_RD_OPTIMIZATION_CTRL_FB_ADDR_BDRY(7));
- val64 |=
- VXGE_HW_RTDMA_RD_OPTIMIZATION_CTRL_FB_ADDR_BDRY(
- VXGE_HW_MAX_PAYLOAD_SIZE_512);
-
- val64 |= VXGE_HW_RTDMA_RD_OPTIMIZATION_CTRL_FB_ADDR_BDRY_EN;
- writeq(val64, &vp_reg->rtdma_rd_optimization_ctrl);
-
-exit:
- return status;
-}
-
-/*
- * __vxge_hw_vp_initialize - Initialize Virtual Path structure
- * This routine is the initial phase of init which resets the vpath and
- * initializes the software support structures.
- */
-static enum vxge_hw_status
-__vxge_hw_vp_initialize(struct __vxge_hw_device *hldev, u32 vp_id,
- struct vxge_hw_vp_config *config)
-{
- struct __vxge_hw_virtualpath *vpath;
- enum vxge_hw_status status = VXGE_HW_OK;
-
- if (!(hldev->vpath_assignments & vxge_mBIT(vp_id))) {
- status = VXGE_HW_ERR_VPATH_NOT_AVAILABLE;
- goto exit;
- }
-
- vpath = &hldev->virtual_paths[vp_id];
-
- vpath->vp_id = vp_id;
- vpath->vp_open = VXGE_HW_VP_OPEN;
- vpath->hldev = hldev;
- vpath->vp_config = config;
- vpath->vp_reg = hldev->vpath_reg[vp_id];
- vpath->vpmgmt_reg = hldev->vpmgmt_reg[vp_id];
-
- __vxge_hw_vpath_reset(hldev, vp_id);
-
- status = __vxge_hw_vpath_reset_check(vpath);
-
- if (status != VXGE_HW_OK) {
- memset(vpath, 0, sizeof(struct __vxge_hw_virtualpath));
- goto exit;
- }
-
- status = __vxge_hw_vpath_mgmt_read(hldev, vpath);
-
- if (status != VXGE_HW_OK) {
- memset(vpath, 0, sizeof(struct __vxge_hw_virtualpath));
- goto exit;
- }
-
- INIT_LIST_HEAD(&vpath->vpath_handles);
-
- vpath->sw_stats = &hldev->stats.sw_dev_info_stats.vpath_info[vp_id];
-
- VXGE_HW_DEVICE_TIM_INT_MASK_SET(hldev->tim_int_mask0,
- hldev->tim_int_mask1, vp_id);
-
- status = __vxge_hw_vpath_initialize(hldev, vp_id);
-
- if (status != VXGE_HW_OK)
- __vxge_hw_vp_terminate(hldev, vp_id);
-exit:
- return status;
-}
-
-/*
- * __vxge_hw_vp_terminate - Terminate Virtual Path structure
- * This routine closes all channels it opened and freeup memory
- */
-static void
-__vxge_hw_vp_terminate(struct __vxge_hw_device *hldev, u32 vp_id)
-{
- struct __vxge_hw_virtualpath *vpath;
-
- vpath = &hldev->virtual_paths[vp_id];
-
- if (vpath->vp_open == VXGE_HW_VP_NOT_OPEN)
- goto exit;
-
- VXGE_HW_DEVICE_TIM_INT_MASK_RESET(vpath->hldev->tim_int_mask0,
- vpath->hldev->tim_int_mask1, vpath->vp_id);
- hldev->stats.hw_dev_info_stats.vpath_info[vpath->vp_id] = NULL;
-
- memset(vpath, 0, sizeof(struct __vxge_hw_virtualpath));
-exit:
- return;
-}
-
-/*
- * vxge_hw_vpath_mtu_set - Set MTU.
- * Set new MTU value. Example, to use jumbo frames:
- * vxge_hw_vpath_mtu_set(my_device, 9600);
- */
-enum vxge_hw_status
-vxge_hw_vpath_mtu_set(struct __vxge_hw_vpath_handle *vp, u32 new_mtu)
-{
- u64 val64;
- enum vxge_hw_status status = VXGE_HW_OK;
- struct __vxge_hw_virtualpath *vpath;
-
- if (vp == NULL) {
- status = VXGE_HW_ERR_INVALID_HANDLE;
- goto exit;
+ val64 |= VXGE_HW_TIM_CFG1_INT_NUM_TIMER_CI;
+ writeq(val64, &vp_reg->tim_cfg1_int_num[VXGE_HW_VPATH_INTR_TX]);
}
- vpath = vp->vpath;
-
- new_mtu += VXGE_HW_MAC_HEADER_MAX_SIZE;
-
- if ((new_mtu < VXGE_HW_MIN_MTU) || (new_mtu > vpath->max_mtu))
- status = VXGE_HW_ERR_INVALID_MTU_SIZE;
-
- val64 = readq(&vpath->vp_reg->rxmac_vcfg0);
-
- val64 &= ~VXGE_HW_RXMAC_VCFG0_RTS_MAX_FRM_LEN(0x3fff);
- val64 |= VXGE_HW_RXMAC_VCFG0_RTS_MAX_FRM_LEN(new_mtu);
-
- writeq(val64, &vpath->vp_reg->rxmac_vcfg0);
-
- vpath->vp_config->mtu = new_mtu - VXGE_HW_MAC_HEADER_MAX_SIZE;
-
-exit:
- return status;
}
-/*
- * vxge_hw_vpath_open - Open a virtual path on a given adapter
- * This function is used to open access to virtual path of an
- * adapter for offload, GRO operations. This function returns
- * synchronously.
- */
-enum vxge_hw_status
-vxge_hw_vpath_open(struct __vxge_hw_device *hldev,
- struct vxge_hw_vpath_attr *attr,
- struct __vxge_hw_vpath_handle **vpath_handle)
-{
- struct __vxge_hw_virtualpath *vpath;
- struct __vxge_hw_vpath_handle *vp;
- enum vxge_hw_status status;
-
- vpath = &hldev->virtual_paths[attr->vp_id];
-
- if (vpath->vp_open == VXGE_HW_VP_OPEN) {
- status = VXGE_HW_ERR_INVALID_STATE;
- goto vpath_open_exit1;
- }
-
- status = __vxge_hw_vp_initialize(hldev, attr->vp_id,
- &hldev->config.vp_config[attr->vp_id]);
-
- if (status != VXGE_HW_OK)
- goto vpath_open_exit1;
-
- vp = (struct __vxge_hw_vpath_handle *)
- vmalloc(sizeof(struct __vxge_hw_vpath_handle));
- if (vp == NULL) {
- status = VXGE_HW_ERR_OUT_OF_MEMORY;
- goto vpath_open_exit2;
- }
-
- memset(vp, 0, sizeof(struct __vxge_hw_vpath_handle));
-
- vp->vpath = vpath;
-
- if (vpath->vp_config->fifo.enable == VXGE_HW_FIFO_ENABLE) {
- status = __vxge_hw_fifo_create(vp, &attr->fifo_attr);
- if (status != VXGE_HW_OK)
- goto vpath_open_exit6;
- }
-
- if (vpath->vp_config->ring.enable == VXGE_HW_RING_ENABLE) {
- status = __vxge_hw_ring_create(vp, &attr->ring_attr);
- if (status != VXGE_HW_OK)
- goto vpath_open_exit7;
-
- __vxge_hw_vpath_prc_configure(hldev, attr->vp_id);
- }
-
- vpath->fifoh->tx_intr_num =
- (attr->vp_id * VXGE_HW_MAX_INTR_PER_VP) +
- VXGE_HW_VPATH_INTR_TX;
-
- vpath->stats_block = __vxge_hw_blockpool_block_allocate(hldev,
- VXGE_HW_BLOCK_SIZE);
-
- if (vpath->stats_block == NULL) {
- status = VXGE_HW_ERR_OUT_OF_MEMORY;
- goto vpath_open_exit8;
- }
-
- vpath->hw_stats = (struct vxge_hw_vpath_stats_hw_info *)vpath->
- stats_block->memblock;
- memset(vpath->hw_stats, 0,
- sizeof(struct vxge_hw_vpath_stats_hw_info));
-
- hldev->stats.hw_dev_info_stats.vpath_info[attr->vp_id] =
- vpath->hw_stats;
-
- vpath->hw_stats_sav =
- &hldev->stats.hw_dev_info_stats.vpath_info_sav[attr->vp_id];
- memset(vpath->hw_stats_sav, 0,
- sizeof(struct vxge_hw_vpath_stats_hw_info));
-
- writeq(vpath->stats_block->dma_addr, &vpath->vp_reg->stats_cfg);
-
- status = vxge_hw_vpath_stats_enable(vp);
- if (status != VXGE_HW_OK)
- goto vpath_open_exit8;
-
- list_add(&vp->item, &vpath->vpath_handles);
-
- hldev->vpaths_deployed |= vxge_mBIT(vpath->vp_id);
-
- *vpath_handle = vp;
-
- attr->fifo_attr.userdata = vpath->fifoh;
- attr->ring_attr.userdata = vpath->ringh;
-
- return VXGE_HW_OK;
-
-vpath_open_exit8:
- if (vpath->ringh != NULL)
- __vxge_hw_ring_delete(vp);
-vpath_open_exit7:
- if (vpath->fifoh != NULL)
- __vxge_hw_fifo_delete(vp);
-vpath_open_exit6:
- vfree(vp);
-vpath_open_exit2:
- __vxge_hw_vp_terminate(hldev, attr->vp_id);
-vpath_open_exit1:
-
- return status;
-}
-
-/**
- * vxge_hw_vpath_rx_doorbell_post - Close the handle got from previous vpath
- * (vpath) open
- * @vp: Handle got from previous vpath open
- *
- * This function is used to close access to virtual path opened
- * earlier.
- */
-void
-vxge_hw_vpath_rx_doorbell_init(struct __vxge_hw_vpath_handle *vp)
-{
- struct __vxge_hw_virtualpath *vpath = NULL;
- u64 new_count, val64, val164;
- struct __vxge_hw_ring *ring;
-
- vpath = vp->vpath;
- ring = vpath->ringh;
-
- new_count = readq(&vpath->vp_reg->rxdmem_size);
- new_count &= 0x1fff;
- val164 = (VXGE_HW_RXDMEM_SIZE_PRC_RXDMEM_SIZE(new_count));
-
- writeq(VXGE_HW_PRC_RXD_DOORBELL_NEW_QW_CNT(val164),
- &vpath->vp_reg->prc_rxd_doorbell);
- readl(&vpath->vp_reg->prc_rxd_doorbell);
-
- val164 /= 2;
- val64 = readq(&vpath->vp_reg->prc_cfg6);
- val64 = VXGE_HW_PRC_CFG6_RXD_SPAT(val64);
- val64 &= 0x1ff;
-
- /*
- * Each RxD is of 4 qwords
- */
- new_count -= (val64 + 1);
- val64 = min(val164, new_count) / 4;
-
- ring->rxds_limit = min(ring->rxds_limit, val64);
- if (ring->rxds_limit < 4)
- ring->rxds_limit = 4;
-}
-
-/*
- * vxge_hw_vpath_close - Close the handle got from previous vpath (vpath) open
- * This function is used to close access to virtual path opened
- * earlier.
- */
-enum vxge_hw_status vxge_hw_vpath_close(struct __vxge_hw_vpath_handle *vp)
-{
- struct __vxge_hw_virtualpath *vpath = NULL;
- struct __vxge_hw_device *devh = NULL;
- u32 vp_id = vp->vpath->vp_id;
- u32 is_empty = TRUE;
- enum vxge_hw_status status = VXGE_HW_OK;
-
- vpath = vp->vpath;
- devh = vpath->hldev;
-
- if (vpath->vp_open == VXGE_HW_VP_NOT_OPEN) {
- status = VXGE_HW_ERR_VPATH_NOT_OPEN;
- goto vpath_close_exit;
- }
-
- list_del(&vp->item);
-
- if (!list_empty(&vpath->vpath_handles)) {
- list_add(&vp->item, &vpath->vpath_handles);
- is_empty = FALSE;
- }
-
- if (!is_empty) {
- status = VXGE_HW_FAIL;
- goto vpath_close_exit;
- }
-
- devh->vpaths_deployed &= ~vxge_mBIT(vp_id);
-
- if (vpath->ringh != NULL)
- __vxge_hw_ring_delete(vp);
-
- if (vpath->fifoh != NULL)
- __vxge_hw_fifo_delete(vp);
-
- if (vpath->stats_block != NULL)
- __vxge_hw_blockpool_block_free(devh, vpath->stats_block);
-
- vfree(vp);
-
- __vxge_hw_vp_terminate(devh, vp_id);
-
- vpath->vp_open = VXGE_HW_VP_NOT_OPEN;
-
-vpath_close_exit:
- return status;
-}
-
-/*
- * vxge_hw_vpath_reset - Resets vpath
- * This function is used to request a reset of vpath
- */
-enum vxge_hw_status vxge_hw_vpath_reset(struct __vxge_hw_vpath_handle *vp)
-{
- enum vxge_hw_status status;
- u32 vp_id;
- struct __vxge_hw_virtualpath *vpath = vp->vpath;
-
- vp_id = vpath->vp_id;
-
- if (vpath->vp_open == VXGE_HW_VP_NOT_OPEN) {
- status = VXGE_HW_ERR_VPATH_NOT_OPEN;
- goto exit;
- }
-
- status = __vxge_hw_vpath_reset(vpath->hldev, vp_id);
- if (status == VXGE_HW_OK)
- vpath->sw_stats->soft_reset_cnt++;
-exit:
- return status;
-}
-
-/*
- * vxge_hw_vpath_recover_from_reset - Poll for reset complete and re-initialize.
- * This function poll's for the vpath reset completion and re initializes
- * the vpath.
- */
-enum vxge_hw_status
-vxge_hw_vpath_recover_from_reset(struct __vxge_hw_vpath_handle *vp)
-{
- struct __vxge_hw_virtualpath *vpath = NULL;
- enum vxge_hw_status status;
- struct __vxge_hw_device *hldev;
- u32 vp_id;
-
- vp_id = vp->vpath->vp_id;
- vpath = vp->vpath;
- hldev = vpath->hldev;
-
- if (vpath->vp_open == VXGE_HW_VP_NOT_OPEN) {
- status = VXGE_HW_ERR_VPATH_NOT_OPEN;
- goto exit;
- }
-
- status = __vxge_hw_vpath_reset_check(vpath);
- if (status != VXGE_HW_OK)
- goto exit;
-
- status = __vxge_hw_vpath_sw_reset(hldev, vp_id);
- if (status != VXGE_HW_OK)
- goto exit;
-
- status = __vxge_hw_vpath_initialize(hldev, vp_id);
- if (status != VXGE_HW_OK)
- goto exit;
-
- if (vpath->ringh != NULL)
- __vxge_hw_vpath_prc_configure(hldev, vp_id);
-
- memset(vpath->hw_stats, 0,
- sizeof(struct vxge_hw_vpath_stats_hw_info));
-
- memset(vpath->hw_stats_sav, 0,
- sizeof(struct vxge_hw_vpath_stats_hw_info));
-
- writeq(vpath->stats_block->dma_addr,
- &vpath->vp_reg->stats_cfg);
-
- status = vxge_hw_vpath_stats_enable(vp);
-
-exit:
- return status;
-}
-
-/*
- * vxge_hw_vpath_enable - Enable vpath.
- * This routine clears the vpath reset thereby enabling a vpath
- * to start forwarding frames and generating interrupts.
- */
-void
-vxge_hw_vpath_enable(struct __vxge_hw_vpath_handle *vp)
-{
- struct __vxge_hw_device *hldev;
- u64 val64;
-
- hldev = vp->vpath->hldev;
-
- val64 = VXGE_HW_CMN_RSTHDLR_CFG1_CLR_VPATH_RESET(
- 1 << (16 - vp->vpath->vp_id));
-
- __vxge_hw_pio_mem_write32_upper((u32)vxge_bVALn(val64, 0, 32),
- &hldev->common_reg->cmn_rsthdlr_cfg1);
-}
-
-/*
- * vxge_hw_vpath_stats_enable - Enable vpath h/wstatistics.
- * Enable the DMA vpath statistics. The function is to be called to re-enable
- * the adapter to update stats into the host memory
- */
-static enum vxge_hw_status
-vxge_hw_vpath_stats_enable(struct __vxge_hw_vpath_handle *vp)
-{
- enum vxge_hw_status status = VXGE_HW_OK;
- struct __vxge_hw_virtualpath *vpath;
-
- vpath = vp->vpath;
-
- if (vpath->vp_open == VXGE_HW_VP_NOT_OPEN) {
- status = VXGE_HW_ERR_VPATH_NOT_OPEN;
- goto exit;
- }
-
- memcpy(vpath->hw_stats_sav, vpath->hw_stats,
- sizeof(struct vxge_hw_vpath_stats_hw_info));
-
- status = __vxge_hw_vpath_stats_get(vpath, vpath->hw_stats);
-exit:
- return status;
-}
-
-/*
- * __vxge_hw_vpath_stats_access - Get the statistics from the given location
- * and offset and perform an operation
- */
-static enum vxge_hw_status
-__vxge_hw_vpath_stats_access(struct __vxge_hw_virtualpath *vpath,
- u32 operation, u32 offset, u64 *stat)
-{
- u64 val64;
- enum vxge_hw_status status = VXGE_HW_OK;
- struct vxge_hw_vpath_reg __iomem *vp_reg;
-
- if (vpath->vp_open == VXGE_HW_VP_NOT_OPEN) {
- status = VXGE_HW_ERR_VPATH_NOT_OPEN;
- goto vpath_stats_access_exit;
- }
-
- vp_reg = vpath->vp_reg;
-
- val64 = VXGE_HW_XMAC_STATS_ACCESS_CMD_OP(operation) |
- VXGE_HW_XMAC_STATS_ACCESS_CMD_STROBE |
- VXGE_HW_XMAC_STATS_ACCESS_CMD_OFFSET_SEL(offset);
-
- status = __vxge_hw_pio_mem_write64(val64,
- &vp_reg->xmac_stats_access_cmd,
- VXGE_HW_XMAC_STATS_ACCESS_CMD_STROBE,
- vpath->hldev->config.device_poll_millis);
-
- if ((status == VXGE_HW_OK) && (operation == VXGE_HW_STATS_OP_READ))
- *stat = readq(&vp_reg->xmac_stats_access_data);
- else
- *stat = 0;
-
-vpath_stats_access_exit:
- return status;
-}
-
-/*
- * __vxge_hw_vpath_xmac_tx_stats_get - Get the TX Statistics of a vpath
- */
-static enum vxge_hw_status
-__vxge_hw_vpath_xmac_tx_stats_get(
- struct __vxge_hw_virtualpath *vpath,
- struct vxge_hw_xmac_vpath_tx_stats *vpath_tx_stats)
-{
- u64 *val64;
- int i;
- u32 offset = VXGE_HW_STATS_VPATH_TX_OFFSET;
- enum vxge_hw_status status = VXGE_HW_OK;
-
- val64 = (u64 *) vpath_tx_stats;
-
- if (vpath->vp_open == VXGE_HW_VP_NOT_OPEN) {
- status = VXGE_HW_ERR_VPATH_NOT_OPEN;
- goto exit;
- }
-
- for (i = 0; i < sizeof(struct vxge_hw_xmac_vpath_tx_stats) / 8; i++) {
- status = __vxge_hw_vpath_stats_access(vpath,
- VXGE_HW_STATS_OP_READ,
- offset, val64);
- if (status != VXGE_HW_OK)
- goto exit;
- offset++;
- val64++;
- }
-exit:
- return status;
-}
-
-/*
- * __vxge_hw_vpath_xmac_rx_stats_get - Get the RX Statistics of a vpath
- */
-static enum vxge_hw_status
-__vxge_hw_vpath_xmac_rx_stats_get(struct __vxge_hw_virtualpath *vpath,
- struct vxge_hw_xmac_vpath_rx_stats *vpath_rx_stats)
-{
- u64 *val64;
- enum vxge_hw_status status = VXGE_HW_OK;
- int i;
- u32 offset = VXGE_HW_STATS_VPATH_RX_OFFSET;
- val64 = (u64 *) vpath_rx_stats;
-
- if (vpath->vp_open == VXGE_HW_VP_NOT_OPEN) {
- status = VXGE_HW_ERR_VPATH_NOT_OPEN;
- goto exit;
- }
- for (i = 0; i < sizeof(struct vxge_hw_xmac_vpath_rx_stats) / 8; i++) {
- status = __vxge_hw_vpath_stats_access(vpath,
- VXGE_HW_STATS_OP_READ,
- offset >> 3, val64);
- if (status != VXGE_HW_OK)
- goto exit;
-
- offset += 8;
- val64++;
- }
-exit:
- return status;
-}
-
-/*
- * __vxge_hw_vpath_stats_get - Get the vpath hw statistics.
- */
-static enum vxge_hw_status
-__vxge_hw_vpath_stats_get(struct __vxge_hw_virtualpath *vpath,
- struct vxge_hw_vpath_stats_hw_info *hw_stats)
-{
- u64 val64;
- enum vxge_hw_status status = VXGE_HW_OK;
- struct vxge_hw_vpath_reg __iomem *vp_reg;
-
- if (vpath->vp_open == VXGE_HW_VP_NOT_OPEN) {
- status = VXGE_HW_ERR_VPATH_NOT_OPEN;
- goto exit;
- }
- vp_reg = vpath->vp_reg;
-
- val64 = readq(&vp_reg->vpath_debug_stats0);
- hw_stats->ini_num_mwr_sent =
- (u32)VXGE_HW_VPATH_DEBUG_STATS0_GET_INI_NUM_MWR_SENT(val64);
-
- val64 = readq(&vp_reg->vpath_debug_stats1);
- hw_stats->ini_num_mrd_sent =
- (u32)VXGE_HW_VPATH_DEBUG_STATS1_GET_INI_NUM_MRD_SENT(val64);
-
- val64 = readq(&vp_reg->vpath_debug_stats2);
- hw_stats->ini_num_cpl_rcvd =
- (u32)VXGE_HW_VPATH_DEBUG_STATS2_GET_INI_NUM_CPL_RCVD(val64);
-
- val64 = readq(&vp_reg->vpath_debug_stats3);
- hw_stats->ini_num_mwr_byte_sent =
- VXGE_HW_VPATH_DEBUG_STATS3_GET_INI_NUM_MWR_BYTE_SENT(val64);
-
- val64 = readq(&vp_reg->vpath_debug_stats4);
- hw_stats->ini_num_cpl_byte_rcvd =
- VXGE_HW_VPATH_DEBUG_STATS4_GET_INI_NUM_CPL_BYTE_RCVD(val64);
-
- val64 = readq(&vp_reg->vpath_debug_stats5);
- hw_stats->wrcrdtarb_xoff =
- (u32)VXGE_HW_VPATH_DEBUG_STATS5_GET_WRCRDTARB_XOFF(val64);
-
- val64 = readq(&vp_reg->vpath_debug_stats6);
- hw_stats->rdcrdtarb_xoff =
- (u32)VXGE_HW_VPATH_DEBUG_STATS6_GET_RDCRDTARB_XOFF(val64);
-
- val64 = readq(&vp_reg->vpath_genstats_count01);
- hw_stats->vpath_genstats_count0 =
- (u32)VXGE_HW_VPATH_GENSTATS_COUNT01_GET_PPIF_VPATH_GENSTATS_COUNT0(
- val64);
-
- val64 = readq(&vp_reg->vpath_genstats_count01);
- hw_stats->vpath_genstats_count1 =
- (u32)VXGE_HW_VPATH_GENSTATS_COUNT01_GET_PPIF_VPATH_GENSTATS_COUNT1(
- val64);
-
- val64 = readq(&vp_reg->vpath_genstats_count23);
- hw_stats->vpath_genstats_count2 =
- (u32)VXGE_HW_VPATH_GENSTATS_COUNT23_GET_PPIF_VPATH_GENSTATS_COUNT2(
- val64);
+/*
+ * __vxge_hw_vpath_initialize
+ * This routine is the final phase of init which initializes the
+ * registers of the vpath using the configuration passed.
+ */
+static enum vxge_hw_status
+__vxge_hw_vpath_initialize(struct __vxge_hw_device *hldev, u32 vp_id)
+{
+ u64 val64;
+ u32 val32;
+ enum vxge_hw_status status = VXGE_HW_OK;
+ struct __vxge_hw_virtualpath *vpath;
+ struct vxge_hw_vpath_reg __iomem *vp_reg;
- val64 = readq(&vp_reg->vpath_genstats_count01);
- hw_stats->vpath_genstats_count3 =
- (u32)VXGE_HW_VPATH_GENSTATS_COUNT23_GET_PPIF_VPATH_GENSTATS_COUNT3(
- val64);
+ vpath = &hldev->virtual_paths[vp_id];
- val64 = readq(&vp_reg->vpath_genstats_count4);
- hw_stats->vpath_genstats_count4 =
- (u32)VXGE_HW_VPATH_GENSTATS_COUNT4_GET_PPIF_VPATH_GENSTATS_COUNT4(
- val64);
+ if (!(hldev->vpath_assignments & vxge_mBIT(vp_id))) {
+ status = VXGE_HW_ERR_VPATH_NOT_AVAILABLE;
+ goto exit;
+ }
+ vp_reg = vpath->vp_reg;
- val64 = readq(&vp_reg->vpath_genstats_count5);
- hw_stats->vpath_genstats_count5 =
- (u32)VXGE_HW_VPATH_GENSTATS_COUNT5_GET_PPIF_VPATH_GENSTATS_COUNT5(
- val64);
+ status = __vxge_hw_vpath_swapper_set(vpath->vp_reg);
+ if (status != VXGE_HW_OK)
+ goto exit;
- status = __vxge_hw_vpath_xmac_tx_stats_get(vpath, &hw_stats->tx_stats);
+ status = __vxge_hw_vpath_mac_configure(hldev, vp_id);
if (status != VXGE_HW_OK)
goto exit;
- status = __vxge_hw_vpath_xmac_rx_stats_get(vpath, &hw_stats->rx_stats);
+ status = __vxge_hw_vpath_kdfc_configure(hldev, vp_id);
if (status != VXGE_HW_OK)
goto exit;
- VXGE_HW_VPATH_STATS_PIO_READ(
- VXGE_HW_STATS_VPATH_PROG_EVENT_VNUM0_OFFSET);
+ status = __vxge_hw_vpath_tim_configure(hldev, vp_id);
+ if (status != VXGE_HW_OK)
+ goto exit;
- hw_stats->prog_event_vnum0 =
- (u32)VXGE_HW_STATS_GET_VPATH_PROG_EVENT_VNUM0(val64);
+ val64 = readq(&vp_reg->rtdma_rd_optimization_ctrl);
- hw_stats->prog_event_vnum1 =
- (u32)VXGE_HW_STATS_GET_VPATH_PROG_EVENT_VNUM1(val64);
+ /* Get MRRS value from device control */
+ status = __vxge_hw_vpath_pci_read(vpath, 1, 0x78, &val32);
+ if (status == VXGE_HW_OK) {
+ val32 = (val32 & VXGE_HW_PCI_EXP_DEVCTL_READRQ) >> 12;
+ val64 &=
+ ~(VXGE_HW_RTDMA_RD_OPTIMIZATION_CTRL_FB_FILL_THRESH(7));
+ val64 |=
+ VXGE_HW_RTDMA_RD_OPTIMIZATION_CTRL_FB_FILL_THRESH(val32);
- VXGE_HW_VPATH_STATS_PIO_READ(
- VXGE_HW_STATS_VPATH_PROG_EVENT_VNUM2_OFFSET);
+ val64 |= VXGE_HW_RTDMA_RD_OPTIMIZATION_CTRL_FB_WAIT_FOR_SPACE;
+ }
- hw_stats->prog_event_vnum2 =
- (u32)VXGE_HW_STATS_GET_VPATH_PROG_EVENT_VNUM2(val64);
+ val64 &= ~(VXGE_HW_RTDMA_RD_OPTIMIZATION_CTRL_FB_ADDR_BDRY(7));
+ val64 |=
+ VXGE_HW_RTDMA_RD_OPTIMIZATION_CTRL_FB_ADDR_BDRY(
+ VXGE_HW_MAX_PAYLOAD_SIZE_512);
- hw_stats->prog_event_vnum3 =
- (u32)VXGE_HW_STATS_GET_VPATH_PROG_EVENT_VNUM3(val64);
+ val64 |= VXGE_HW_RTDMA_RD_OPTIMIZATION_CTRL_FB_ADDR_BDRY_EN;
+ writeq(val64, &vp_reg->rtdma_rd_optimization_ctrl);
- val64 = readq(&vp_reg->rx_multi_cast_stats);
- hw_stats->rx_multi_cast_frame_discard =
- (u16)VXGE_HW_RX_MULTI_CAST_STATS_GET_FRAME_DISCARD(val64);
+exit:
+ return status;
+}
- val64 = readq(&vp_reg->rx_frm_transferred);
- hw_stats->rx_frm_transferred =
- (u32)VXGE_HW_RX_FRM_TRANSFERRED_GET_RX_FRM_TRANSFERRED(val64);
+/*
+ * __vxge_hw_vp_terminate - Terminate Virtual Path structure
+ * This routine closes all channels it opened and freeup memory
+ */
+static void __vxge_hw_vp_terminate(struct __vxge_hw_device *hldev, u32 vp_id)
+{
+ struct __vxge_hw_virtualpath *vpath;
- val64 = readq(&vp_reg->rxd_returned);
- hw_stats->rxd_returned =
- (u16)VXGE_HW_RXD_RETURNED_GET_RXD_RETURNED(val64);
+ vpath = &hldev->virtual_paths[vp_id];
- val64 = readq(&vp_reg->dbg_stats_rx_mpa);
- hw_stats->rx_mpa_len_fail_frms =
- (u16)VXGE_HW_DBG_STATS_GET_RX_MPA_LEN_FAIL_FRMS(val64);
- hw_stats->rx_mpa_mrk_fail_frms =
- (u16)VXGE_HW_DBG_STATS_GET_RX_MPA_MRK_FAIL_FRMS(val64);
- hw_stats->rx_mpa_crc_fail_frms =
- (u16)VXGE_HW_DBG_STATS_GET_RX_MPA_CRC_FAIL_FRMS(val64);
+ if (vpath->vp_open == VXGE_HW_VP_NOT_OPEN)
+ goto exit;
- val64 = readq(&vp_reg->dbg_stats_rx_fau);
- hw_stats->rx_permitted_frms =
- (u16)VXGE_HW_DBG_STATS_GET_RX_FAU_RX_PERMITTED_FRMS(val64);
- hw_stats->rx_vp_reset_discarded_frms =
- (u16)VXGE_HW_DBG_STATS_GET_RX_FAU_RX_VP_RESET_DISCARDED_FRMS(val64);
- hw_stats->rx_wol_frms =
- (u16)VXGE_HW_DBG_STATS_GET_RX_FAU_RX_WOL_FRMS(val64);
+ VXGE_HW_DEVICE_TIM_INT_MASK_RESET(vpath->hldev->tim_int_mask0,
+ vpath->hldev->tim_int_mask1, vpath->vp_id);
+ hldev->stats.hw_dev_info_stats.vpath_info[vpath->vp_id] = NULL;
- val64 = readq(&vp_reg->tx_vp_reset_discarded_frms);
- hw_stats->tx_vp_reset_discarded_frms =
- (u16)VXGE_HW_TX_VP_RESET_DISCARDED_FRMS_GET_TX_VP_RESET_DISCARDED_FRMS(
- val64);
+ memset(vpath, 0, sizeof(struct __vxge_hw_virtualpath));
exit:
- return status;
+ return;
}
-
-static void vxge_os_dma_malloc_async(struct pci_dev *pdev, void *devh,
- unsigned long size)
+/*
+ * __vxge_hw_vp_initialize - Initialize Virtual Path structure
+ * This routine is the initial phase of init which resets the vpath and
+ * initializes the software support structures.
+ */
+static enum vxge_hw_status
+__vxge_hw_vp_initialize(struct __vxge_hw_device *hldev, u32 vp_id,
+ struct vxge_hw_vp_config *config)
{
- gfp_t flags;
- void *vaddr;
+ struct __vxge_hw_virtualpath *vpath;
+ enum vxge_hw_status status = VXGE_HW_OK;
- if (in_interrupt())
- flags = GFP_ATOMIC | GFP_DMA;
- else
- flags = GFP_KERNEL | GFP_DMA;
+ if (!(hldev->vpath_assignments & vxge_mBIT(vp_id))) {
+ status = VXGE_HW_ERR_VPATH_NOT_AVAILABLE;
+ goto exit;
+ }
- vaddr = kmalloc((size), flags);
+ vpath = &hldev->virtual_paths[vp_id];
- vxge_hw_blockpool_block_add(devh, vaddr, size, pdev, pdev);
-}
+ spin_lock_init(&hldev->virtual_paths[vp_id].lock);
+ vpath->vp_id = vp_id;
+ vpath->vp_open = VXGE_HW_VP_OPEN;
+ vpath->hldev = hldev;
+ vpath->vp_config = config;
+ vpath->vp_reg = hldev->vpath_reg[vp_id];
+ vpath->vpmgmt_reg = hldev->vpmgmt_reg[vp_id];
-static void vxge_os_dma_free(struct pci_dev *pdev, const void *vaddr,
- struct pci_dev **p_dma_acch)
-{
- unsigned long misaligned = *(unsigned long *)p_dma_acch;
- u8 *tmp = (u8 *)vaddr;
- tmp -= misaligned;
- kfree((void *)tmp);
+ __vxge_hw_vpath_reset(hldev, vp_id);
+
+ status = __vxge_hw_vpath_reset_check(vpath);
+ if (status != VXGE_HW_OK) {
+ memset(vpath, 0, sizeof(struct __vxge_hw_virtualpath));
+ goto exit;
+ }
+
+ status = __vxge_hw_vpath_mgmt_read(hldev, vpath);
+ if (status != VXGE_HW_OK) {
+ memset(vpath, 0, sizeof(struct __vxge_hw_virtualpath));
+ goto exit;
+ }
+
+ INIT_LIST_HEAD(&vpath->vpath_handles);
+
+ vpath->sw_stats = &hldev->stats.sw_dev_info_stats.vpath_info[vp_id];
+
+ VXGE_HW_DEVICE_TIM_INT_MASK_SET(hldev->tim_int_mask0,
+ hldev->tim_int_mask1, vp_id);
+
+ status = __vxge_hw_vpath_initialize(hldev, vp_id);
+ if (status != VXGE_HW_OK)
+ __vxge_hw_vp_terminate(hldev, vp_id);
+exit:
+ return status;
}
/*
- * __vxge_hw_blockpool_create - Create block pool
+ * vxge_hw_vpath_mtu_set - Set MTU.
+ * Set new MTU value. Example, to use jumbo frames:
+ * vxge_hw_vpath_mtu_set(my_device, 9600);
*/
-
enum vxge_hw_status
-__vxge_hw_blockpool_create(struct __vxge_hw_device *hldev,
- struct __vxge_hw_blockpool *blockpool,
- u32 pool_size,
- u32 pool_max)
+vxge_hw_vpath_mtu_set(struct __vxge_hw_vpath_handle *vp, u32 new_mtu)
{
- u32 i;
- struct __vxge_hw_blockpool_entry *entry = NULL;
- void *memblock;
- dma_addr_t dma_addr;
- struct pci_dev *dma_handle;
- struct pci_dev *acc_handle;
+ u64 val64;
enum vxge_hw_status status = VXGE_HW_OK;
+ struct __vxge_hw_virtualpath *vpath;
- if (blockpool == NULL) {
- status = VXGE_HW_FAIL;
- goto blockpool_create_exit;
+ if (vp == NULL) {
+ status = VXGE_HW_ERR_INVALID_HANDLE;
+ goto exit;
}
+ vpath = vp->vpath;
- blockpool->hldev = hldev;
- blockpool->block_size = VXGE_HW_BLOCK_SIZE;
- blockpool->pool_size = 0;
- blockpool->pool_max = pool_max;
- blockpool->req_out = 0;
+ new_mtu += VXGE_HW_MAC_HEADER_MAX_SIZE;
- INIT_LIST_HEAD(&blockpool->free_block_list);
- INIT_LIST_HEAD(&blockpool->free_entry_list);
+ if ((new_mtu < VXGE_HW_MIN_MTU) || (new_mtu > vpath->max_mtu))
+ status = VXGE_HW_ERR_INVALID_MTU_SIZE;
- for (i = 0; i < pool_size + pool_max; i++) {
- entry = kzalloc(sizeof(struct __vxge_hw_blockpool_entry),
- GFP_KERNEL);
- if (entry == NULL) {
- __vxge_hw_blockpool_destroy(blockpool);
- status = VXGE_HW_ERR_OUT_OF_MEMORY;
- goto blockpool_create_exit;
- }
- list_add(&entry->item, &blockpool->free_entry_list);
- }
+ val64 = readq(&vpath->vp_reg->rxmac_vcfg0);
- for (i = 0; i < pool_size; i++) {
+ val64 &= ~VXGE_HW_RXMAC_VCFG0_RTS_MAX_FRM_LEN(0x3fff);
+ val64 |= VXGE_HW_RXMAC_VCFG0_RTS_MAX_FRM_LEN(new_mtu);
- memblock = vxge_os_dma_malloc(
- hldev->pdev,
- VXGE_HW_BLOCK_SIZE,
- &dma_handle,
- &acc_handle);
+ writeq(val64, &vpath->vp_reg->rxmac_vcfg0);
+
+ vpath->vp_config->mtu = new_mtu - VXGE_HW_MAC_HEADER_MAX_SIZE;
+
+exit:
+ return status;
+}
+
+/*
+ * vxge_hw_vpath_stats_enable - Enable vpath h/wstatistics.
+ * Enable the DMA vpath statistics. The function is to be called to re-enable
+ * the adapter to update stats into the host memory
+ */
+static enum vxge_hw_status
+vxge_hw_vpath_stats_enable(struct __vxge_hw_vpath_handle *vp)
+{
+ enum vxge_hw_status status = VXGE_HW_OK;
+ struct __vxge_hw_virtualpath *vpath;
+
+ vpath = vp->vpath;
+
+ if (vpath->vp_open == VXGE_HW_VP_NOT_OPEN) {
+ status = VXGE_HW_ERR_VPATH_NOT_OPEN;
+ goto exit;
+ }
- if (memblock == NULL) {
- __vxge_hw_blockpool_destroy(blockpool);
- status = VXGE_HW_ERR_OUT_OF_MEMORY;
- goto blockpool_create_exit;
- }
+ memcpy(vpath->hw_stats_sav, vpath->hw_stats,
+ sizeof(struct vxge_hw_vpath_stats_hw_info));
- dma_addr = pci_map_single(hldev->pdev, memblock,
- VXGE_HW_BLOCK_SIZE, PCI_DMA_BIDIRECTIONAL);
+ status = __vxge_hw_vpath_stats_get(vpath, vpath->hw_stats);
+exit:
+ return status;
+}
- if (unlikely(pci_dma_mapping_error(hldev->pdev,
- dma_addr))) {
+/*
+ * __vxge_hw_blockpool_block_allocate - Allocates a block from block pool
+ * This function allocates a block from block pool or from the system
+ */
+static struct __vxge_hw_blockpool_entry *
+__vxge_hw_blockpool_block_allocate(struct __vxge_hw_device *devh, u32 size)
+{
+ struct __vxge_hw_blockpool_entry *entry = NULL;
+ struct __vxge_hw_blockpool *blockpool;
- vxge_os_dma_free(hldev->pdev, memblock, &acc_handle);
- __vxge_hw_blockpool_destroy(blockpool);
- status = VXGE_HW_ERR_OUT_OF_MEMORY;
- goto blockpool_create_exit;
- }
+ blockpool = &devh->block_pool;
- if (!list_empty(&blockpool->free_entry_list))
+ if (size == blockpool->block_size) {
+
+ if (!list_empty(&blockpool->free_block_list))
entry = (struct __vxge_hw_blockpool_entry *)
- list_first_entry(&blockpool->free_entry_list,
+ list_first_entry(&blockpool->free_block_list,
struct __vxge_hw_blockpool_entry,
item);
- if (entry == NULL)
- entry =
- kzalloc(sizeof(struct __vxge_hw_blockpool_entry),
- GFP_KERNEL);
if (entry != NULL) {
list_del(&entry->item);
- entry->length = VXGE_HW_BLOCK_SIZE;
- entry->memblock = memblock;
- entry->dma_addr = dma_addr;
- entry->acc_handle = acc_handle;
- entry->dma_handle = dma_handle;
- list_add(&entry->item,
- &blockpool->free_block_list);
- blockpool->pool_size++;
- } else {
- __vxge_hw_blockpool_destroy(blockpool);
- status = VXGE_HW_ERR_OUT_OF_MEMORY;
- goto blockpool_create_exit;
+ blockpool->pool_size--;
}
}
-blockpool_create_exit:
- return status;
+ if (entry != NULL)
+ __vxge_hw_blockpool_blocks_add(blockpool);
+
+ return entry;
}
/*
- * __vxge_hw_blockpool_destroy - Deallocates the block pool
+ * vxge_hw_vpath_open - Open a virtual path on a given adapter
+ * This function is used to open access to virtual path of an
+ * adapter for offload, GRO operations. This function returns
+ * synchronously.
*/
-
-void __vxge_hw_blockpool_destroy(struct __vxge_hw_blockpool *blockpool)
+enum vxge_hw_status
+vxge_hw_vpath_open(struct __vxge_hw_device *hldev,
+ struct vxge_hw_vpath_attr *attr,
+ struct __vxge_hw_vpath_handle **vpath_handle)
{
+ struct __vxge_hw_virtualpath *vpath;
+ struct __vxge_hw_vpath_handle *vp;
+ enum vxge_hw_status status;
- struct __vxge_hw_device *hldev;
- struct list_head *p, *n;
- u16 ret;
+ vpath = &hldev->virtual_paths[attr->vp_id];
- if (blockpool == NULL) {
- ret = 1;
- goto exit;
+ if (vpath->vp_open == VXGE_HW_VP_OPEN) {
+ status = VXGE_HW_ERR_INVALID_STATE;
+ goto vpath_open_exit1;
}
- hldev = blockpool->hldev;
-
- list_for_each_safe(p, n, &blockpool->free_block_list) {
+ status = __vxge_hw_vp_initialize(hldev, attr->vp_id,
+ &hldev->config.vp_config[attr->vp_id]);
+ if (status != VXGE_HW_OK)
+ goto vpath_open_exit1;
- pci_unmap_single(hldev->pdev,
- ((struct __vxge_hw_blockpool_entry *)p)->dma_addr,
- ((struct __vxge_hw_blockpool_entry *)p)->length,
- PCI_DMA_BIDIRECTIONAL);
+ vp = vzalloc(sizeof(struct __vxge_hw_vpath_handle));
+ if (vp == NULL) {
+ status = VXGE_HW_ERR_OUT_OF_MEMORY;
+ goto vpath_open_exit2;
+ }
- vxge_os_dma_free(hldev->pdev,
- ((struct __vxge_hw_blockpool_entry *)p)->memblock,
- &((struct __vxge_hw_blockpool_entry *) p)->acc_handle);
+ vp->vpath = vpath;
- list_del(
- &((struct __vxge_hw_blockpool_entry *)p)->item);
- kfree(p);
- blockpool->pool_size--;
+ if (vpath->vp_config->fifo.enable == VXGE_HW_FIFO_ENABLE) {
+ status = __vxge_hw_fifo_create(vp, &attr->fifo_attr);
+ if (status != VXGE_HW_OK)
+ goto vpath_open_exit6;
}
- list_for_each_safe(p, n, &blockpool->free_entry_list) {
- list_del(
- &((struct __vxge_hw_blockpool_entry *)p)->item);
- kfree((void *)p);
+ if (vpath->vp_config->ring.enable == VXGE_HW_RING_ENABLE) {
+ status = __vxge_hw_ring_create(vp, &attr->ring_attr);
+ if (status != VXGE_HW_OK)
+ goto vpath_open_exit7;
+
+ __vxge_hw_vpath_prc_configure(hldev, attr->vp_id);
}
- ret = 0;
-exit:
- return;
-}
-/*
- * __vxge_hw_blockpool_blocks_add - Request additional blocks
- */
-static
-void __vxge_hw_blockpool_blocks_add(struct __vxge_hw_blockpool *blockpool)
-{
- u32 nreq = 0, i;
+ vpath->fifoh->tx_intr_num =
+ (attr->vp_id * VXGE_HW_MAX_INTR_PER_VP) +
+ VXGE_HW_VPATH_INTR_TX;
- if ((blockpool->pool_size + blockpool->req_out) <
- VXGE_HW_MIN_DMA_BLOCK_POOL_SIZE) {
- nreq = VXGE_HW_INCR_DMA_BLOCK_POOL_SIZE;
- blockpool->req_out += nreq;
+ vpath->stats_block = __vxge_hw_blockpool_block_allocate(hldev,
+ VXGE_HW_BLOCK_SIZE);
+ if (vpath->stats_block == NULL) {
+ status = VXGE_HW_ERR_OUT_OF_MEMORY;
+ goto vpath_open_exit8;
}
- for (i = 0; i < nreq; i++)
- vxge_os_dma_malloc_async(
- ((struct __vxge_hw_device *)blockpool->hldev)->pdev,
- blockpool->hldev, VXGE_HW_BLOCK_SIZE);
-}
+ vpath->hw_stats = (struct vxge_hw_vpath_stats_hw_info *)vpath->
+ stats_block->memblock;
+ memset(vpath->hw_stats, 0,
+ sizeof(struct vxge_hw_vpath_stats_hw_info));
-/*
- * __vxge_hw_blockpool_blocks_remove - Free additional blocks
- */
-static
-void __vxge_hw_blockpool_blocks_remove(struct __vxge_hw_blockpool *blockpool)
-{
- struct list_head *p, *n;
+ hldev->stats.hw_dev_info_stats.vpath_info[attr->vp_id] =
+ vpath->hw_stats;
- list_for_each_safe(p, n, &blockpool->free_block_list) {
+ vpath->hw_stats_sav =
+ &hldev->stats.hw_dev_info_stats.vpath_info_sav[attr->vp_id];
+ memset(vpath->hw_stats_sav, 0,
+ sizeof(struct vxge_hw_vpath_stats_hw_info));
- if (blockpool->pool_size < blockpool->pool_max)
- break;
+ writeq(vpath->stats_block->dma_addr, &vpath->vp_reg->stats_cfg);
- pci_unmap_single(
- ((struct __vxge_hw_device *)blockpool->hldev)->pdev,
- ((struct __vxge_hw_blockpool_entry *)p)->dma_addr,
- ((struct __vxge_hw_blockpool_entry *)p)->length,
- PCI_DMA_BIDIRECTIONAL);
+ status = vxge_hw_vpath_stats_enable(vp);
+ if (status != VXGE_HW_OK)
+ goto vpath_open_exit8;
- vxge_os_dma_free(
- ((struct __vxge_hw_device *)blockpool->hldev)->pdev,
- ((struct __vxge_hw_blockpool_entry *)p)->memblock,
- &((struct __vxge_hw_blockpool_entry *)p)->acc_handle);
+ list_add(&vp->item, &vpath->vpath_handles);
- list_del(&((struct __vxge_hw_blockpool_entry *)p)->item);
+ hldev->vpaths_deployed |= vxge_mBIT(vpath->vp_id);
- list_add(p, &blockpool->free_entry_list);
+ *vpath_handle = vp;
- blockpool->pool_size--;
+ attr->fifo_attr.userdata = vpath->fifoh;
+ attr->ring_attr.userdata = vpath->ringh;
- }
+ return VXGE_HW_OK;
+
+vpath_open_exit8:
+ if (vpath->ringh != NULL)
+ __vxge_hw_ring_delete(vp);
+vpath_open_exit7:
+ if (vpath->fifoh != NULL)
+ __vxge_hw_fifo_delete(vp);
+vpath_open_exit6:
+ vfree(vp);
+vpath_open_exit2:
+ __vxge_hw_vp_terminate(hldev, attr->vp_id);
+vpath_open_exit1:
+
+ return status;
}
-/*
- * vxge_hw_blockpool_block_add - callback for vxge_os_dma_malloc_async
- * Adds a block to block pool
+/**
+ * vxge_hw_vpath_rx_doorbell_post - Close the handle got from previous vpath
+ * (vpath) open
+ * @vp: Handle got from previous vpath open
+ *
+ * This function is used to close access to virtual path opened
+ * earlier.
*/
-static void vxge_hw_blockpool_block_add(struct __vxge_hw_device *devh,
- void *block_addr,
- u32 length,
- struct pci_dev *dma_h,
- struct pci_dev *acc_handle)
+void vxge_hw_vpath_rx_doorbell_init(struct __vxge_hw_vpath_handle *vp)
{
- struct __vxge_hw_blockpool *blockpool;
- struct __vxge_hw_blockpool_entry *entry = NULL;
- dma_addr_t dma_addr;
- enum vxge_hw_status status = VXGE_HW_OK;
- u32 req_out;
-
- blockpool = &devh->block_pool;
+ struct __vxge_hw_virtualpath *vpath = vp->vpath;
+ struct __vxge_hw_ring *ring = vpath->ringh;
+ struct vxgedev *vdev = netdev_priv(vpath->hldev->ndev);
+ u64 new_count, val64, val164;
- if (block_addr == NULL) {
- blockpool->req_out--;
- status = VXGE_HW_FAIL;
- goto exit;
- }
+ if (vdev->titan1) {
+ new_count = readq(&vpath->vp_reg->rxdmem_size);
+ new_count &= 0x1fff;
+ } else
+ new_count = ring->config->ring_blocks * VXGE_HW_BLOCK_SIZE / 8;
- dma_addr = pci_map_single(devh->pdev, block_addr, length,
- PCI_DMA_BIDIRECTIONAL);
+ val164 = VXGE_HW_RXDMEM_SIZE_PRC_RXDMEM_SIZE(new_count);
- if (unlikely(pci_dma_mapping_error(devh->pdev, dma_addr))) {
+ writeq(VXGE_HW_PRC_RXD_DOORBELL_NEW_QW_CNT(val164),
+ &vpath->vp_reg->prc_rxd_doorbell);
+ readl(&vpath->vp_reg->prc_rxd_doorbell);
- vxge_os_dma_free(devh->pdev, block_addr, &acc_handle);
- blockpool->req_out--;
- status = VXGE_HW_FAIL;
- goto exit;
- }
+ val164 /= 2;
+ val64 = readq(&vpath->vp_reg->prc_cfg6);
+ val64 = VXGE_HW_PRC_CFG6_RXD_SPAT(val64);
+ val64 &= 0x1ff;
+ /*
+ * Each RxD is of 4 qwords
+ */
+ new_count -= (val64 + 1);
+ val64 = min(val164, new_count) / 4;
- if (!list_empty(&blockpool->free_entry_list))
- entry = (struct __vxge_hw_blockpool_entry *)
- list_first_entry(&blockpool->free_entry_list,
- struct __vxge_hw_blockpool_entry,
- item);
+ ring->rxds_limit = min(ring->rxds_limit, val64);
+ if (ring->rxds_limit < 4)
+ ring->rxds_limit = 4;
+}
- if (entry == NULL)
- entry = (struct __vxge_hw_blockpool_entry *)
- vmalloc(sizeof(struct __vxge_hw_blockpool_entry));
- else
- list_del(&entry->item);
+/*
+ * __vxge_hw_blockpool_block_free - Frees a block from block pool
+ * @devh: Hal device
+ * @entry: Entry of block to be freed
+ *
+ * This function frees a block from block pool
+ */
+static void
+__vxge_hw_blockpool_block_free(struct __vxge_hw_device *devh,
+ struct __vxge_hw_blockpool_entry *entry)
+{
+ struct __vxge_hw_blockpool *blockpool;
- if (entry != NULL) {
- entry->length = length;
- entry->memblock = block_addr;
- entry->dma_addr = dma_addr;
- entry->acc_handle = acc_handle;
- entry->dma_handle = dma_h;
+ blockpool = &devh->block_pool;
+
+ if (entry->length == blockpool->block_size) {
list_add(&entry->item, &blockpool->free_block_list);
blockpool->pool_size++;
- status = VXGE_HW_OK;
- } else
- status = VXGE_HW_ERR_OUT_OF_MEMORY;
-
- blockpool->req_out--;
+ }
- req_out = blockpool->req_out;
-exit:
- return;
+ __vxge_hw_blockpool_blocks_remove(blockpool);
}
/*
- * __vxge_hw_blockpool_malloc - Allocate a memory block from pool
- * Allocates a block of memory of given size, either from block pool
- * or by calling vxge_os_dma_malloc()
+ * vxge_hw_vpath_close - Close the handle got from previous vpath (vpath) open
+ * This function is used to close access to virtual path opened
+ * earlier.
*/
-void *
-__vxge_hw_blockpool_malloc(struct __vxge_hw_device *devh, u32 size,
- struct vxge_hw_mempool_dma *dma_object)
+enum vxge_hw_status vxge_hw_vpath_close(struct __vxge_hw_vpath_handle *vp)
{
- struct __vxge_hw_blockpool_entry *entry = NULL;
- struct __vxge_hw_blockpool *blockpool;
- void *memblock = NULL;
+ struct __vxge_hw_virtualpath *vpath = NULL;
+ struct __vxge_hw_device *devh = NULL;
+ u32 vp_id = vp->vpath->vp_id;
+ u32 is_empty = TRUE;
enum vxge_hw_status status = VXGE_HW_OK;
- blockpool = &devh->block_pool;
+ vpath = vp->vpath;
+ devh = vpath->hldev;
- if (size != blockpool->block_size) {
+ if (vpath->vp_open == VXGE_HW_VP_NOT_OPEN) {
+ status = VXGE_HW_ERR_VPATH_NOT_OPEN;
+ goto vpath_close_exit;
+ }
- memblock = vxge_os_dma_malloc(devh->pdev, size,
- &dma_object->handle,
- &dma_object->acc_handle);
+ list_del(&vp->item);
- if (memblock == NULL) {
- status = VXGE_HW_ERR_OUT_OF_MEMORY;
- goto exit;
- }
+ if (!list_empty(&vpath->vpath_handles)) {
+ list_add(&vp->item, &vpath->vpath_handles);
+ is_empty = FALSE;
+ }
- dma_object->addr = pci_map_single(devh->pdev, memblock, size,
- PCI_DMA_BIDIRECTIONAL);
+ if (!is_empty) {
+ status = VXGE_HW_FAIL;
+ goto vpath_close_exit;
+ }
- if (unlikely(pci_dma_mapping_error(devh->pdev,
- dma_object->addr))) {
- vxge_os_dma_free(devh->pdev, memblock,
- &dma_object->acc_handle);
- status = VXGE_HW_ERR_OUT_OF_MEMORY;
- goto exit;
- }
+ devh->vpaths_deployed &= ~vxge_mBIT(vp_id);
- } else {
+ if (vpath->ringh != NULL)
+ __vxge_hw_ring_delete(vp);
- if (!list_empty(&blockpool->free_block_list))
- entry = (struct __vxge_hw_blockpool_entry *)
- list_first_entry(&blockpool->free_block_list,
- struct __vxge_hw_blockpool_entry,
- item);
+ if (vpath->fifoh != NULL)
+ __vxge_hw_fifo_delete(vp);
- if (entry != NULL) {
- list_del(&entry->item);
- dma_object->addr = entry->dma_addr;
- dma_object->handle = entry->dma_handle;
- dma_object->acc_handle = entry->acc_handle;
- memblock = entry->memblock;
+ if (vpath->stats_block != NULL)
+ __vxge_hw_blockpool_block_free(devh, vpath->stats_block);
- list_add(&entry->item,
- &blockpool->free_entry_list);
- blockpool->pool_size--;
- }
+ vfree(vp);
- if (memblock != NULL)
- __vxge_hw_blockpool_blocks_add(blockpool);
- }
-exit:
- return memblock;
+ __vxge_hw_vp_terminate(devh, vp_id);
+
+ spin_lock(&vpath->lock);
+ vpath->vp_open = VXGE_HW_VP_NOT_OPEN;
+ spin_unlock(&vpath->lock);
+
+vpath_close_exit:
+ return status;
}
/*
- * __vxge_hw_blockpool_free - Frees the memory allcoated with
- __vxge_hw_blockpool_malloc
+ * vxge_hw_vpath_reset - Resets vpath
+ * This function is used to request a reset of vpath
*/
-void
-__vxge_hw_blockpool_free(struct __vxge_hw_device *devh,
- void *memblock, u32 size,
- struct vxge_hw_mempool_dma *dma_object)
+enum vxge_hw_status vxge_hw_vpath_reset(struct __vxge_hw_vpath_handle *vp)
{
- struct __vxge_hw_blockpool_entry *entry = NULL;
- struct __vxge_hw_blockpool *blockpool;
- enum vxge_hw_status status = VXGE_HW_OK;
-
- blockpool = &devh->block_pool;
-
- if (size != blockpool->block_size) {
- pci_unmap_single(devh->pdev, dma_object->addr, size,
- PCI_DMA_BIDIRECTIONAL);
- vxge_os_dma_free(devh->pdev, memblock, &dma_object->acc_handle);
- } else {
-
- if (!list_empty(&blockpool->free_entry_list))
- entry = (struct __vxge_hw_blockpool_entry *)
- list_first_entry(&blockpool->free_entry_list,
- struct __vxge_hw_blockpool_entry,
- item);
-
- if (entry == NULL)
- entry = (struct __vxge_hw_blockpool_entry *)
- vmalloc(sizeof(
- struct __vxge_hw_blockpool_entry));
- else
- list_del(&entry->item);
+ enum vxge_hw_status status;
+ u32 vp_id;
+ struct __vxge_hw_virtualpath *vpath = vp->vpath;
- if (entry != NULL) {
- entry->length = size;
- entry->memblock = memblock;
- entry->dma_addr = dma_object->addr;
- entry->acc_handle = dma_object->acc_handle;
- entry->dma_handle = dma_object->handle;
- list_add(&entry->item,
- &blockpool->free_block_list);
- blockpool->pool_size++;
- status = VXGE_HW_OK;
- } else
- status = VXGE_HW_ERR_OUT_OF_MEMORY;
+ vp_id = vpath->vp_id;
- if (status == VXGE_HW_OK)
- __vxge_hw_blockpool_blocks_remove(blockpool);
+ if (vpath->vp_open == VXGE_HW_VP_NOT_OPEN) {
+ status = VXGE_HW_ERR_VPATH_NOT_OPEN;
+ goto exit;
}
+
+ status = __vxge_hw_vpath_reset(vpath->hldev, vp_id);
+ if (status == VXGE_HW_OK)
+ vpath->sw_stats->soft_reset_cnt++;
+exit:
+ return status;
}
/*
- * __vxge_hw_blockpool_block_allocate - Allocates a block from block pool
- * This function allocates a block from block pool or from the system
+ * vxge_hw_vpath_recover_from_reset - Poll for reset complete and re-initialize.
+ * This function poll's for the vpath reset completion and re initializes
+ * the vpath.
*/
-struct __vxge_hw_blockpool_entry *
-__vxge_hw_blockpool_block_allocate(struct __vxge_hw_device *devh, u32 size)
+enum vxge_hw_status
+vxge_hw_vpath_recover_from_reset(struct __vxge_hw_vpath_handle *vp)
{
- struct __vxge_hw_blockpool_entry *entry = NULL;
- struct __vxge_hw_blockpool *blockpool;
+ struct __vxge_hw_virtualpath *vpath = NULL;
+ enum vxge_hw_status status;
+ struct __vxge_hw_device *hldev;
+ u32 vp_id;
- blockpool = &devh->block_pool;
+ vp_id = vp->vpath->vp_id;
+ vpath = vp->vpath;
+ hldev = vpath->hldev;
- if (size == blockpool->block_size) {
+ if (vpath->vp_open == VXGE_HW_VP_NOT_OPEN) {
+ status = VXGE_HW_ERR_VPATH_NOT_OPEN;
+ goto exit;
+ }
- if (!list_empty(&blockpool->free_block_list))
- entry = (struct __vxge_hw_blockpool_entry *)
- list_first_entry(&blockpool->free_block_list,
- struct __vxge_hw_blockpool_entry,
- item);
+ status = __vxge_hw_vpath_reset_check(vpath);
+ if (status != VXGE_HW_OK)
+ goto exit;
- if (entry != NULL) {
- list_del(&entry->item);
- blockpool->pool_size--;
- }
- }
+ status = __vxge_hw_vpath_sw_reset(hldev, vp_id);
+ if (status != VXGE_HW_OK)
+ goto exit;
- if (entry != NULL)
- __vxge_hw_blockpool_blocks_add(blockpool);
+ status = __vxge_hw_vpath_initialize(hldev, vp_id);
+ if (status != VXGE_HW_OK)
+ goto exit;
- return entry;
+ if (vpath->ringh != NULL)
+ __vxge_hw_vpath_prc_configure(hldev, vp_id);
+
+ memset(vpath->hw_stats, 0,
+ sizeof(struct vxge_hw_vpath_stats_hw_info));
+
+ memset(vpath->hw_stats_sav, 0,
+ sizeof(struct vxge_hw_vpath_stats_hw_info));
+
+ writeq(vpath->stats_block->dma_addr,
+ &vpath->vp_reg->stats_cfg);
+
+ status = vxge_hw_vpath_stats_enable(vp);
+
+exit:
+ return status;
}
/*
- * __vxge_hw_blockpool_block_free - Frees a block from block pool
- * @devh: Hal device
- * @entry: Entry of block to be freed
- *
- * This function frees a block from block pool
+ * vxge_hw_vpath_enable - Enable vpath.
+ * This routine clears the vpath reset thereby enabling a vpath
+ * to start forwarding frames and generating interrupts.
*/
void
-__vxge_hw_blockpool_block_free(struct __vxge_hw_device *devh,
- struct __vxge_hw_blockpool_entry *entry)
+vxge_hw_vpath_enable(struct __vxge_hw_vpath_handle *vp)
{
- struct __vxge_hw_blockpool *blockpool;
+ struct __vxge_hw_device *hldev;
+ u64 val64;
- blockpool = &devh->block_pool;
+ hldev = vp->vpath->hldev;
- if (entry->length == blockpool->block_size) {
- list_add(&entry->item, &blockpool->free_block_list);
- blockpool->pool_size++;
- }
+ val64 = VXGE_HW_CMN_RSTHDLR_CFG1_CLR_VPATH_RESET(
+ 1 << (16 - vp->vpath->vp_id));
- __vxge_hw_blockpool_blocks_remove(blockpool);
+ __vxge_hw_pio_mem_write32_upper((u32)vxge_bVALn(val64, 0, 32),
+ &hldev->common_reg->cmn_rsthdlr_cfg1);
}
projects / mv-sheeva.git / blobdiff