aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/net/netxen/netxen_nic_ctx.c
diff options
context:
space:
mode:
authorJeff Kirsher <jeffrey.t.kirsher@intel.com>2011-04-08 19:06:30 -0700
committerJeff Kirsher <jeffrey.t.kirsher@intel.com>2011-08-10 20:03:49 -0700
commitaa43c2158d5ae1dc76cccb08cd57a3ffd32c3825 (patch)
treecdb471f2b2440d551e634f9cbeacf1675daf3ba8 /drivers/net/netxen/netxen_nic_ctx.c
parentintel: Move the Intel wired LAN drivers (diff)
downloadlinux-dev-aa43c2158d5ae1dc76cccb08cd57a3ffd32c3825.tar.xz
linux-dev-aa43c2158d5ae1dc76cccb08cd57a3ffd32c3825.zip
qlogic: Move the QLogic drivers
Moves the QLogic drivers into drivers/net/ethernet/qlogic/ and the necessary Kconfig and Makefile changes. CC: Ron Mercer <ron.mercer@qlogic.com> CC: Amit Kumar Salecha <amit.salecha@qlogic.com> CC: Anirban Chakraborty <anirban.chakraborty@qlogic.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Acked-by: Anirban Chakraborty <anirban.chakraborty@qlogic.com>
Diffstat (limited to 'drivers/net/netxen/netxen_nic_ctx.c')
-rw-r--r--drivers/net/netxen/netxen_nic_ctx.c793
1 files changed, 0 insertions, 793 deletions
diff --git a/drivers/net/netxen/netxen_nic_ctx.c b/drivers/net/netxen/netxen_nic_ctx.c
deleted file mode 100644
index a925392abd6f..000000000000
--- a/drivers/net/netxen/netxen_nic_ctx.c
+++ /dev/null
@@ -1,793 +0,0 @@
-/*
- * Copyright (C) 2003 - 2009 NetXen, Inc.
- * Copyright (C) 2009 - QLogic Corporation.
- * All rights reserved.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
- * MA 02111-1307, USA.
- *
- * The full GNU General Public License is included in this distribution
- * in the file called "COPYING".
- *
- */
-
-#include "netxen_nic_hw.h"
-#include "netxen_nic.h"
-
-#define NXHAL_VERSION 1
-
-static u32
-netxen_poll_rsp(struct netxen_adapter *adapter)
-{
- u32 rsp = NX_CDRP_RSP_OK;
- int timeout = 0;
-
- do {
- /* give atleast 1ms for firmware to respond */
- msleep(1);
-
- if (++timeout > NX_OS_CRB_RETRY_COUNT)
- return NX_CDRP_RSP_TIMEOUT;
-
- rsp = NXRD32(adapter, NX_CDRP_CRB_OFFSET);
- } while (!NX_CDRP_IS_RSP(rsp));
-
- return rsp;
-}
-
-static u32
-netxen_issue_cmd(struct netxen_adapter *adapter,
- u32 pci_fn, u32 version, u32 arg1, u32 arg2, u32 arg3, u32 cmd)
-{
- u32 rsp;
- u32 signature = 0;
- u32 rcode = NX_RCODE_SUCCESS;
-
- signature = NX_CDRP_SIGNATURE_MAKE(pci_fn, version);
-
- /* Acquire semaphore before accessing CRB */
- if (netxen_api_lock(adapter))
- return NX_RCODE_TIMEOUT;
-
- NXWR32(adapter, NX_SIGN_CRB_OFFSET, signature);
-
- NXWR32(adapter, NX_ARG1_CRB_OFFSET, arg1);
-
- NXWR32(adapter, NX_ARG2_CRB_OFFSET, arg2);
-
- NXWR32(adapter, NX_ARG3_CRB_OFFSET, arg3);
-
- NXWR32(adapter, NX_CDRP_CRB_OFFSET, NX_CDRP_FORM_CMD(cmd));
-
- rsp = netxen_poll_rsp(adapter);
-
- if (rsp == NX_CDRP_RSP_TIMEOUT) {
- printk(KERN_ERR "%s: card response timeout.\n",
- netxen_nic_driver_name);
-
- rcode = NX_RCODE_TIMEOUT;
- } else if (rsp == NX_CDRP_RSP_FAIL) {
- rcode = NXRD32(adapter, NX_ARG1_CRB_OFFSET);
-
- printk(KERN_ERR "%s: failed card response code:0x%x\n",
- netxen_nic_driver_name, rcode);
- }
-
- /* Release semaphore */
- netxen_api_unlock(adapter);
-
- return rcode;
-}
-
-int
-nx_fw_cmd_set_mtu(struct netxen_adapter *adapter, int mtu)
-{
- u32 rcode = NX_RCODE_SUCCESS;
- struct netxen_recv_context *recv_ctx = &adapter->recv_ctx;
-
- if (recv_ctx->state == NX_HOST_CTX_STATE_ACTIVE)
- rcode = netxen_issue_cmd(adapter,
- adapter->ahw.pci_func,
- NXHAL_VERSION,
- recv_ctx->context_id,
- mtu,
- 0,
- NX_CDRP_CMD_SET_MTU);
-
- if (rcode != NX_RCODE_SUCCESS)
- return -EIO;
-
- return 0;
-}
-
-int
-nx_fw_cmd_set_gbe_port(struct netxen_adapter *adapter,
- u32 speed, u32 duplex, u32 autoneg)
-{
-
- return netxen_issue_cmd(adapter,
- adapter->ahw.pci_func,
- NXHAL_VERSION,
- speed,
- duplex,
- autoneg,
- NX_CDRP_CMD_CONFIG_GBE_PORT);
-
-}
-
-static int
-nx_fw_cmd_create_rx_ctx(struct netxen_adapter *adapter)
-{
- void *addr;
- nx_hostrq_rx_ctx_t *prq;
- nx_cardrsp_rx_ctx_t *prsp;
- nx_hostrq_rds_ring_t *prq_rds;
- nx_hostrq_sds_ring_t *prq_sds;
- nx_cardrsp_rds_ring_t *prsp_rds;
- nx_cardrsp_sds_ring_t *prsp_sds;
- struct nx_host_rds_ring *rds_ring;
- struct nx_host_sds_ring *sds_ring;
-
- dma_addr_t hostrq_phys_addr, cardrsp_phys_addr;
- u64 phys_addr;
-
- int i, nrds_rings, nsds_rings;
- size_t rq_size, rsp_size;
- u32 cap, reg, val;
-
- int err;
-
- struct netxen_recv_context *recv_ctx = &adapter->recv_ctx;
-
- nrds_rings = adapter->max_rds_rings;
- nsds_rings = adapter->max_sds_rings;
-
- rq_size =
- SIZEOF_HOSTRQ_RX(nx_hostrq_rx_ctx_t, nrds_rings, nsds_rings);
- rsp_size =
- SIZEOF_CARDRSP_RX(nx_cardrsp_rx_ctx_t, nrds_rings, nsds_rings);
-
- addr = pci_alloc_consistent(adapter->pdev,
- rq_size, &hostrq_phys_addr);
- if (addr == NULL)
- return -ENOMEM;
- prq = addr;
-
- addr = pci_alloc_consistent(adapter->pdev,
- rsp_size, &cardrsp_phys_addr);
- if (addr == NULL) {
- err = -ENOMEM;
- goto out_free_rq;
- }
- prsp = addr;
-
- prq->host_rsp_dma_addr = cpu_to_le64(cardrsp_phys_addr);
-
- cap = (NX_CAP0_LEGACY_CONTEXT | NX_CAP0_LEGACY_MN);
- cap |= (NX_CAP0_JUMBO_CONTIGUOUS | NX_CAP0_LRO_CONTIGUOUS);
-
- prq->capabilities[0] = cpu_to_le32(cap);
- prq->host_int_crb_mode =
- cpu_to_le32(NX_HOST_INT_CRB_MODE_SHARED);
- prq->host_rds_crb_mode =
- cpu_to_le32(NX_HOST_RDS_CRB_MODE_UNIQUE);
-
- prq->num_rds_rings = cpu_to_le16(nrds_rings);
- prq->num_sds_rings = cpu_to_le16(nsds_rings);
- prq->rds_ring_offset = cpu_to_le32(0);
-
- val = le32_to_cpu(prq->rds_ring_offset) +
- (sizeof(nx_hostrq_rds_ring_t) * nrds_rings);
- prq->sds_ring_offset = cpu_to_le32(val);
-
- prq_rds = (nx_hostrq_rds_ring_t *)(prq->data +
- le32_to_cpu(prq->rds_ring_offset));
-
- for (i = 0; i < nrds_rings; i++) {
-
- rds_ring = &recv_ctx->rds_rings[i];
-
- prq_rds[i].host_phys_addr = cpu_to_le64(rds_ring->phys_addr);
- prq_rds[i].ring_size = cpu_to_le32(rds_ring->num_desc);
- prq_rds[i].ring_kind = cpu_to_le32(i);
- prq_rds[i].buff_size = cpu_to_le64(rds_ring->dma_size);
- }
-
- prq_sds = (nx_hostrq_sds_ring_t *)(prq->data +
- le32_to_cpu(prq->sds_ring_offset));
-
- for (i = 0; i < nsds_rings; i++) {
-
- sds_ring = &recv_ctx->sds_rings[i];
-
- prq_sds[i].host_phys_addr = cpu_to_le64(sds_ring->phys_addr);
- prq_sds[i].ring_size = cpu_to_le32(sds_ring->num_desc);
- prq_sds[i].msi_index = cpu_to_le16(i);
- }
-
- phys_addr = hostrq_phys_addr;
- err = netxen_issue_cmd(adapter,
- adapter->ahw.pci_func,
- NXHAL_VERSION,
- (u32)(phys_addr >> 32),
- (u32)(phys_addr & 0xffffffff),
- rq_size,
- NX_CDRP_CMD_CREATE_RX_CTX);
- if (err) {
- printk(KERN_WARNING
- "Failed to create rx ctx in firmware%d\n", err);
- goto out_free_rsp;
- }
-
-
- prsp_rds = ((nx_cardrsp_rds_ring_t *)
- &prsp->data[le32_to_cpu(prsp->rds_ring_offset)]);
-
- for (i = 0; i < le16_to_cpu(prsp->num_rds_rings); i++) {
- rds_ring = &recv_ctx->rds_rings[i];
-
- reg = le32_to_cpu(prsp_rds[i].host_producer_crb);
- rds_ring->crb_rcv_producer = netxen_get_ioaddr(adapter,
- NETXEN_NIC_REG(reg - 0x200));
- }
-
- prsp_sds = ((nx_cardrsp_sds_ring_t *)
- &prsp->data[le32_to_cpu(prsp->sds_ring_offset)]);
-
- for (i = 0; i < le16_to_cpu(prsp->num_sds_rings); i++) {
- sds_ring = &recv_ctx->sds_rings[i];
-
- reg = le32_to_cpu(prsp_sds[i].host_consumer_crb);
- sds_ring->crb_sts_consumer = netxen_get_ioaddr(adapter,
- NETXEN_NIC_REG(reg - 0x200));
-
- reg = le32_to_cpu(prsp_sds[i].interrupt_crb);
- sds_ring->crb_intr_mask = netxen_get_ioaddr(adapter,
- NETXEN_NIC_REG(reg - 0x200));
- }
-
- recv_ctx->state = le32_to_cpu(prsp->host_ctx_state);
- recv_ctx->context_id = le16_to_cpu(prsp->context_id);
- recv_ctx->virt_port = prsp->virt_port;
-
-out_free_rsp:
- pci_free_consistent(adapter->pdev, rsp_size, prsp, cardrsp_phys_addr);
-out_free_rq:
- pci_free_consistent(adapter->pdev, rq_size, prq, hostrq_phys_addr);
- return err;
-}
-
-static void
-nx_fw_cmd_destroy_rx_ctx(struct netxen_adapter *adapter)
-{
- struct netxen_recv_context *recv_ctx = &adapter->recv_ctx;
-
- if (netxen_issue_cmd(adapter,
- adapter->ahw.pci_func,
- NXHAL_VERSION,
- recv_ctx->context_id,
- NX_DESTROY_CTX_RESET,
- 0,
- NX_CDRP_CMD_DESTROY_RX_CTX)) {
-
- printk(KERN_WARNING
- "%s: Failed to destroy rx ctx in firmware\n",
- netxen_nic_driver_name);
- }
-}
-
-static int
-nx_fw_cmd_create_tx_ctx(struct netxen_adapter *adapter)
-{
- nx_hostrq_tx_ctx_t *prq;
- nx_hostrq_cds_ring_t *prq_cds;
- nx_cardrsp_tx_ctx_t *prsp;
- void *rq_addr, *rsp_addr;
- size_t rq_size, rsp_size;
- u32 temp;
- int err = 0;
- u64 offset, phys_addr;
- dma_addr_t rq_phys_addr, rsp_phys_addr;
- struct nx_host_tx_ring *tx_ring = adapter->tx_ring;
- struct netxen_recv_context *recv_ctx = &adapter->recv_ctx;
-
- rq_size = SIZEOF_HOSTRQ_TX(nx_hostrq_tx_ctx_t);
- rq_addr = pci_alloc_consistent(adapter->pdev,
- rq_size, &rq_phys_addr);
- if (!rq_addr)
- return -ENOMEM;
-
- rsp_size = SIZEOF_CARDRSP_TX(nx_cardrsp_tx_ctx_t);
- rsp_addr = pci_alloc_consistent(adapter->pdev,
- rsp_size, &rsp_phys_addr);
- if (!rsp_addr) {
- err = -ENOMEM;
- goto out_free_rq;
- }
-
- memset(rq_addr, 0, rq_size);
- prq = rq_addr;
-
- memset(rsp_addr, 0, rsp_size);
- prsp = rsp_addr;
-
- prq->host_rsp_dma_addr = cpu_to_le64(rsp_phys_addr);
-
- temp = (NX_CAP0_LEGACY_CONTEXT | NX_CAP0_LEGACY_MN | NX_CAP0_LSO);
- prq->capabilities[0] = cpu_to_le32(temp);
-
- prq->host_int_crb_mode =
- cpu_to_le32(NX_HOST_INT_CRB_MODE_SHARED);
-
- prq->interrupt_ctl = 0;
- prq->msi_index = 0;
-
- prq->dummy_dma_addr = cpu_to_le64(adapter->dummy_dma.phys_addr);
-
- offset = recv_ctx->phys_addr + sizeof(struct netxen_ring_ctx);
- prq->cmd_cons_dma_addr = cpu_to_le64(offset);
-
- prq_cds = &prq->cds_ring;
-
- prq_cds->host_phys_addr = cpu_to_le64(tx_ring->phys_addr);
- prq_cds->ring_size = cpu_to_le32(tx_ring->num_desc);
-
- phys_addr = rq_phys_addr;
- err = netxen_issue_cmd(adapter,
- adapter->ahw.pci_func,
- NXHAL_VERSION,
- (u32)(phys_addr >> 32),
- ((u32)phys_addr & 0xffffffff),
- rq_size,
- NX_CDRP_CMD_CREATE_TX_CTX);
-
- if (err == NX_RCODE_SUCCESS) {
- temp = le32_to_cpu(prsp->cds_ring.host_producer_crb);
- tx_ring->crb_cmd_producer = netxen_get_ioaddr(adapter,
- NETXEN_NIC_REG(temp - 0x200));
-#if 0
- adapter->tx_state =
- le32_to_cpu(prsp->host_ctx_state);
-#endif
- adapter->tx_context_id =
- le16_to_cpu(prsp->context_id);
- } else {
- printk(KERN_WARNING
- "Failed to create tx ctx in firmware%d\n", err);
- err = -EIO;
- }
-
- pci_free_consistent(adapter->pdev, rsp_size, rsp_addr, rsp_phys_addr);
-
-out_free_rq:
- pci_free_consistent(adapter->pdev, rq_size, rq_addr, rq_phys_addr);
-
- return err;
-}
-
-static void
-nx_fw_cmd_destroy_tx_ctx(struct netxen_adapter *adapter)
-{
- if (netxen_issue_cmd(adapter,
- adapter->ahw.pci_func,
- NXHAL_VERSION,
- adapter->tx_context_id,
- NX_DESTROY_CTX_RESET,
- 0,
- NX_CDRP_CMD_DESTROY_TX_CTX)) {
-
- printk(KERN_WARNING
- "%s: Failed to destroy tx ctx in firmware\n",
- netxen_nic_driver_name);
- }
-}
-
-int
-nx_fw_cmd_query_phy(struct netxen_adapter *adapter, u32 reg, u32 *val)
-{
- u32 rcode;
-
- rcode = netxen_issue_cmd(adapter,
- adapter->ahw.pci_func,
- NXHAL_VERSION,
- reg,
- 0,
- 0,
- NX_CDRP_CMD_READ_PHY);
-
- if (rcode != NX_RCODE_SUCCESS)
- return -EIO;
-
- return NXRD32(adapter, NX_ARG1_CRB_OFFSET);
-}
-
-int
-nx_fw_cmd_set_phy(struct netxen_adapter *adapter, u32 reg, u32 val)
-{
- u32 rcode;
-
- rcode = netxen_issue_cmd(adapter,
- adapter->ahw.pci_func,
- NXHAL_VERSION,
- reg,
- val,
- 0,
- NX_CDRP_CMD_WRITE_PHY);
-
- if (rcode != NX_RCODE_SUCCESS)
- return -EIO;
-
- return 0;
-}
-
-static u64 ctx_addr_sig_regs[][3] = {
- {NETXEN_NIC_REG(0x188), NETXEN_NIC_REG(0x18c), NETXEN_NIC_REG(0x1c0)},
- {NETXEN_NIC_REG(0x190), NETXEN_NIC_REG(0x194), NETXEN_NIC_REG(0x1c4)},
- {NETXEN_NIC_REG(0x198), NETXEN_NIC_REG(0x19c), NETXEN_NIC_REG(0x1c8)},
- {NETXEN_NIC_REG(0x1a0), NETXEN_NIC_REG(0x1a4), NETXEN_NIC_REG(0x1cc)}
-};
-
-#define CRB_CTX_ADDR_REG_LO(FUNC_ID) (ctx_addr_sig_regs[FUNC_ID][0])
-#define CRB_CTX_ADDR_REG_HI(FUNC_ID) (ctx_addr_sig_regs[FUNC_ID][2])
-#define CRB_CTX_SIGNATURE_REG(FUNC_ID) (ctx_addr_sig_regs[FUNC_ID][1])
-
-#define lower32(x) ((u32)((x) & 0xffffffff))
-#define upper32(x) ((u32)(((u64)(x) >> 32) & 0xffffffff))
-
-static struct netxen_recv_crb recv_crb_registers[] = {
- /* Instance 0 */
- {
- /* crb_rcv_producer: */
- {
- NETXEN_NIC_REG(0x100),
- /* Jumbo frames */
- NETXEN_NIC_REG(0x110),
- /* LRO */
- NETXEN_NIC_REG(0x120)
- },
- /* crb_sts_consumer: */
- {
- NETXEN_NIC_REG(0x138),
- NETXEN_NIC_REG_2(0x000),
- NETXEN_NIC_REG_2(0x004),
- NETXEN_NIC_REG_2(0x008),
- },
- /* sw_int_mask */
- {
- CRB_SW_INT_MASK_0,
- NETXEN_NIC_REG_2(0x044),
- NETXEN_NIC_REG_2(0x048),
- NETXEN_NIC_REG_2(0x04c),
- },
- },
- /* Instance 1 */
- {
- /* crb_rcv_producer: */
- {
- NETXEN_NIC_REG(0x144),
- /* Jumbo frames */
- NETXEN_NIC_REG(0x154),
- /* LRO */
- NETXEN_NIC_REG(0x164)
- },
- /* crb_sts_consumer: */
- {
- NETXEN_NIC_REG(0x17c),
- NETXEN_NIC_REG_2(0x020),
- NETXEN_NIC_REG_2(0x024),
- NETXEN_NIC_REG_2(0x028),
- },
- /* sw_int_mask */
- {
- CRB_SW_INT_MASK_1,
- NETXEN_NIC_REG_2(0x064),
- NETXEN_NIC_REG_2(0x068),
- NETXEN_NIC_REG_2(0x06c),
- },
- },
- /* Instance 2 */
- {
- /* crb_rcv_producer: */
- {
- NETXEN_NIC_REG(0x1d8),
- /* Jumbo frames */
- NETXEN_NIC_REG(0x1f8),
- /* LRO */
- NETXEN_NIC_REG(0x208)
- },
- /* crb_sts_consumer: */
- {
- NETXEN_NIC_REG(0x220),
- NETXEN_NIC_REG_2(0x03c),
- NETXEN_NIC_REG_2(0x03c),
- NETXEN_NIC_REG_2(0x03c),
- },
- /* sw_int_mask */
- {
- CRB_SW_INT_MASK_2,
- NETXEN_NIC_REG_2(0x03c),
- NETXEN_NIC_REG_2(0x03c),
- NETXEN_NIC_REG_2(0x03c),
- },
- },
- /* Instance 3 */
- {
- /* crb_rcv_producer: */
- {
- NETXEN_NIC_REG(0x22c),
- /* Jumbo frames */
- NETXEN_NIC_REG(0x23c),
- /* LRO */
- NETXEN_NIC_REG(0x24c)
- },
- /* crb_sts_consumer: */
- {
- NETXEN_NIC_REG(0x264),
- NETXEN_NIC_REG_2(0x03c),
- NETXEN_NIC_REG_2(0x03c),
- NETXEN_NIC_REG_2(0x03c),
- },
- /* sw_int_mask */
- {
- CRB_SW_INT_MASK_3,
- NETXEN_NIC_REG_2(0x03c),
- NETXEN_NIC_REG_2(0x03c),
- NETXEN_NIC_REG_2(0x03c),
- },
- },
-};
-
-static int
-netxen_init_old_ctx(struct netxen_adapter *adapter)
-{
- struct netxen_recv_context *recv_ctx;
- struct nx_host_rds_ring *rds_ring;
- struct nx_host_sds_ring *sds_ring;
- struct nx_host_tx_ring *tx_ring;
- int ring;
- int port = adapter->portnum;
- struct netxen_ring_ctx *hwctx;
- u32 signature;
-
- tx_ring = adapter->tx_ring;
- recv_ctx = &adapter->recv_ctx;
- hwctx = recv_ctx->hwctx;
-
- hwctx->cmd_ring_addr = cpu_to_le64(tx_ring->phys_addr);
- hwctx->cmd_ring_size = cpu_to_le32(tx_ring->num_desc);
-
-
- for (ring = 0; ring < adapter->max_rds_rings; ring++) {
- rds_ring = &recv_ctx->rds_rings[ring];
-
- hwctx->rcv_rings[ring].addr =
- cpu_to_le64(rds_ring->phys_addr);
- hwctx->rcv_rings[ring].size =
- cpu_to_le32(rds_ring->num_desc);
- }
-
- for (ring = 0; ring < adapter->max_sds_rings; ring++) {
- sds_ring = &recv_ctx->sds_rings[ring];
-
- if (ring == 0) {
- hwctx->sts_ring_addr = cpu_to_le64(sds_ring->phys_addr);
- hwctx->sts_ring_size = cpu_to_le32(sds_ring->num_desc);
- }
- hwctx->sts_rings[ring].addr = cpu_to_le64(sds_ring->phys_addr);
- hwctx->sts_rings[ring].size = cpu_to_le32(sds_ring->num_desc);
- hwctx->sts_rings[ring].msi_index = cpu_to_le16(ring);
- }
- hwctx->sts_ring_count = cpu_to_le32(adapter->max_sds_rings);
-
- signature = (adapter->max_sds_rings > 1) ?
- NETXEN_CTX_SIGNATURE_V2 : NETXEN_CTX_SIGNATURE;
-
- NXWR32(adapter, CRB_CTX_ADDR_REG_LO(port),
- lower32(recv_ctx->phys_addr));
- NXWR32(adapter, CRB_CTX_ADDR_REG_HI(port),
- upper32(recv_ctx->phys_addr));
- NXWR32(adapter, CRB_CTX_SIGNATURE_REG(port),
- signature | port);
- return 0;
-}
-
-int netxen_alloc_hw_resources(struct netxen_adapter *adapter)
-{
- void *addr;
- int err = 0;
- int ring;
- struct netxen_recv_context *recv_ctx;
- struct nx_host_rds_ring *rds_ring;
- struct nx_host_sds_ring *sds_ring;
- struct nx_host_tx_ring *tx_ring;
-
- struct pci_dev *pdev = adapter->pdev;
- struct net_device *netdev = adapter->netdev;
- int port = adapter->portnum;
-
- recv_ctx = &adapter->recv_ctx;
- tx_ring = adapter->tx_ring;
-
- addr = pci_alloc_consistent(pdev,
- sizeof(struct netxen_ring_ctx) + sizeof(uint32_t),
- &recv_ctx->phys_addr);
- if (addr == NULL) {
- dev_err(&pdev->dev, "failed to allocate hw context\n");
- return -ENOMEM;
- }
-
- memset(addr, 0, sizeof(struct netxen_ring_ctx));
- recv_ctx->hwctx = addr;
- recv_ctx->hwctx->ctx_id = cpu_to_le32(port);
- recv_ctx->hwctx->cmd_consumer_offset =
- cpu_to_le64(recv_ctx->phys_addr +
- sizeof(struct netxen_ring_ctx));
- tx_ring->hw_consumer =
- (__le32 *)(((char *)addr) + sizeof(struct netxen_ring_ctx));
-
- /* cmd desc ring */
- addr = pci_alloc_consistent(pdev, TX_DESC_RINGSIZE(tx_ring),
- &tx_ring->phys_addr);
-
- if (addr == NULL) {
- dev_err(&pdev->dev, "%s: failed to allocate tx desc ring\n",
- netdev->name);
- err = -ENOMEM;
- goto err_out_free;
- }
-
- tx_ring->desc_head = addr;
-
- for (ring = 0; ring < adapter->max_rds_rings; ring++) {
- rds_ring = &recv_ctx->rds_rings[ring];
- addr = pci_alloc_consistent(adapter->pdev,
- RCV_DESC_RINGSIZE(rds_ring),
- &rds_ring->phys_addr);
- if (addr == NULL) {
- dev_err(&pdev->dev,
- "%s: failed to allocate rds ring [%d]\n",
- netdev->name, ring);
- err = -ENOMEM;
- goto err_out_free;
- }
- rds_ring->desc_head = addr;
-
- if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
- rds_ring->crb_rcv_producer =
- netxen_get_ioaddr(adapter,
- recv_crb_registers[port].crb_rcv_producer[ring]);
- }
-
- for (ring = 0; ring < adapter->max_sds_rings; ring++) {
- sds_ring = &recv_ctx->sds_rings[ring];
-
- addr = pci_alloc_consistent(adapter->pdev,
- STATUS_DESC_RINGSIZE(sds_ring),
- &sds_ring->phys_addr);
- if (addr == NULL) {
- dev_err(&pdev->dev,
- "%s: failed to allocate sds ring [%d]\n",
- netdev->name, ring);
- err = -ENOMEM;
- goto err_out_free;
- }
- sds_ring->desc_head = addr;
-
- if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
- sds_ring->crb_sts_consumer =
- netxen_get_ioaddr(adapter,
- recv_crb_registers[port].crb_sts_consumer[ring]);
-
- sds_ring->crb_intr_mask =
- netxen_get_ioaddr(adapter,
- recv_crb_registers[port].sw_int_mask[ring]);
- }
- }
-
-
- if (!NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
- if (test_and_set_bit(__NX_FW_ATTACHED, &adapter->state))
- goto done;
- err = nx_fw_cmd_create_rx_ctx(adapter);
- if (err)
- goto err_out_free;
- err = nx_fw_cmd_create_tx_ctx(adapter);
- if (err)
- goto err_out_free;
- } else {
- err = netxen_init_old_ctx(adapter);
- if (err)
- goto err_out_free;
- }
-
-done:
- return 0;
-
-err_out_free:
- netxen_free_hw_resources(adapter);
- return err;
-}
-
-void netxen_free_hw_resources(struct netxen_adapter *adapter)
-{
- struct netxen_recv_context *recv_ctx;
- struct nx_host_rds_ring *rds_ring;
- struct nx_host_sds_ring *sds_ring;
- struct nx_host_tx_ring *tx_ring;
- int ring;
-
- int port = adapter->portnum;
-
- if (!NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
- if (!test_and_clear_bit(__NX_FW_ATTACHED, &adapter->state))
- goto done;
-
- nx_fw_cmd_destroy_rx_ctx(adapter);
- nx_fw_cmd_destroy_tx_ctx(adapter);
- } else {
- netxen_api_lock(adapter);
- NXWR32(adapter, CRB_CTX_SIGNATURE_REG(port),
- NETXEN_CTX_D3_RESET | port);
- netxen_api_unlock(adapter);
- }
-
- /* Allow dma queues to drain after context reset */
- msleep(20);
-
-done:
- recv_ctx = &adapter->recv_ctx;
-
- if (recv_ctx->hwctx != NULL) {
- pci_free_consistent(adapter->pdev,
- sizeof(struct netxen_ring_ctx) +
- sizeof(uint32_t),
- recv_ctx->hwctx,
- recv_ctx->phys_addr);
- recv_ctx->hwctx = NULL;
- }
-
- tx_ring = adapter->tx_ring;
- if (tx_ring->desc_head != NULL) {
- pci_free_consistent(adapter->pdev,
- TX_DESC_RINGSIZE(tx_ring),
- tx_ring->desc_head, tx_ring->phys_addr);
- tx_ring->desc_head = NULL;
- }
-
- for (ring = 0; ring < adapter->max_rds_rings; ring++) {
- rds_ring = &recv_ctx->rds_rings[ring];
-
- if (rds_ring->desc_head != NULL) {
- pci_free_consistent(adapter->pdev,
- RCV_DESC_RINGSIZE(rds_ring),
- rds_ring->desc_head,
- rds_ring->phys_addr);
- rds_ring->desc_head = NULL;
- }
- }
-
- for (ring = 0; ring < adapter->max_sds_rings; ring++) {
- sds_ring = &recv_ctx->sds_rings[ring];
-
- if (sds_ring->desc_head != NULL) {
- pci_free_consistent(adapter->pdev,
- STATUS_DESC_RINGSIZE(sds_ring),
- sds_ring->desc_head,
- sds_ring->phys_addr);
- sds_ring->desc_head = NULL;
- }
- }
-}
-