| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Roland Dreier | 8592 | 84.80% | 27 | 42.19% |
| Eli Cohen | 780 | 7.70% | 5 | 7.81% |
| Michael S. Tsirkin | 248 | 2.45% | 9 | 14.06% |
| Goldwyn Rodrigues | 214 | 2.11% | 1 | 1.56% |
| Jack Morgenstein | 144 | 1.42% | 5 | 7.81% |
| Sean Hefty | 70 | 0.69% | 1 | 1.56% |
| Leon Romanovsky | 39 | 0.38% | 2 | 3.12% |
| Ishai Rabinovitz | 14 | 0.14% | 2 | 3.12% |
| Romain Perier | 7 | 0.07% | 1 | 1.56% |
| Don Hiatt | 6 | 0.06% | 2 | 3.12% |
| Ira Weiny | 3 | 0.03% | 1 | 1.56% |
| Paul Gortmaker | 3 | 0.03% | 1 | 1.56% |
| Tejun Heo | 3 | 0.03% | 1 | 1.56% |
| Alexey Dobriyan | 3 | 0.03% | 1 | 1.56% |
| Kees Cook | 2 | 0.02% | 1 | 1.56% |
| James Lentini | 1 | 0.01% | 1 | 1.56% |
| Aleksey Senin | 1 | 0.01% | 1 | 1.56% |
| Al Viro | 1 | 0.01% | 1 | 1.56% |
| John L. Burr | 1 | 0.01% | 1 | 1.56% |
| Total | 10132 | 64 |
/* * Copyright (c) 2004, 2005 Topspin Communications. All rights reserved. * Copyright (c) 2005 Mellanox Technologies. All rights reserved. * Copyright (c) 2005, 2006 Cisco Systems. All rights reserved. * * This software is available to you under a choice of one of two * licenses. You may choose to be licensed under the terms of the GNU * General Public License (GPL) Version 2, available from the file * COPYING in the main directory of this source tree, or the * OpenIB.org BSD license below: * * Redistribution and use in source and binary forms, with or * without modification, are permitted provided that the following * conditions are met: * * - Redistributions of source code must retain the above * copyright notice, this list of conditions and the following * disclaimer. * * - Redistributions in binary form must reproduce the above * copyright notice, this list of conditions and the following * disclaimer in the documentation and/or other materials * provided with the distribution. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ #include <linux/completion.h> #include <linux/pci.h> #include <linux/errno.h> #include <linux/sched.h> #include <linux/module.h> #include <linux/slab.h> #include <asm/io.h> #include <rdma/ib_mad.h> #include "mthca_dev.h" #include "mthca_config_reg.h" #include "mthca_cmd.h" #include "mthca_memfree.h" #define CMD_POLL_TOKEN 0xffff enum { HCR_IN_PARAM_OFFSET = 0x00, HCR_IN_MODIFIER_OFFSET = 0x08, HCR_OUT_PARAM_OFFSET = 0x0c, HCR_TOKEN_OFFSET = 0x14, HCR_STATUS_OFFSET = 0x18, HCR_OPMOD_SHIFT = 12, HCA_E_BIT = 22, HCR_GO_BIT = 23 }; enum { /* initialization and general commands */ CMD_SYS_EN = 0x1, CMD_SYS_DIS = 0x2, CMD_MAP_FA = 0xfff, CMD_UNMAP_FA = 0xffe, CMD_RUN_FW = 0xff6, CMD_MOD_STAT_CFG = 0x34, CMD_QUERY_DEV_LIM = 0x3, CMD_QUERY_FW = 0x4, CMD_ENABLE_LAM = 0xff8, CMD_DISABLE_LAM = 0xff7, CMD_QUERY_DDR = 0x5, CMD_QUERY_ADAPTER = 0x6, CMD_INIT_HCA = 0x7, CMD_CLOSE_HCA = 0x8, CMD_INIT_IB = 0x9, CMD_CLOSE_IB = 0xa, CMD_QUERY_HCA = 0xb, CMD_SET_IB = 0xc, CMD_ACCESS_DDR = 0x2e, CMD_MAP_ICM = 0xffa, CMD_UNMAP_ICM = 0xff9, CMD_MAP_ICM_AUX = 0xffc, CMD_UNMAP_ICM_AUX = 0xffb, CMD_SET_ICM_SIZE = 0xffd, /* TPT commands */ CMD_SW2HW_MPT = 0xd, CMD_QUERY_MPT = 0xe, CMD_HW2SW_MPT = 0xf, CMD_READ_MTT = 0x10, CMD_WRITE_MTT = 0x11, CMD_SYNC_TPT = 0x2f, /* EQ commands */ CMD_MAP_EQ = 0x12, CMD_SW2HW_EQ = 0x13, CMD_HW2SW_EQ = 0x14, CMD_QUERY_EQ = 0x15, /* CQ commands */ CMD_SW2HW_CQ = 0x16, CMD_HW2SW_CQ = 0x17, CMD_QUERY_CQ = 0x18, CMD_RESIZE_CQ = 0x2c, /* SRQ commands */ CMD_SW2HW_SRQ = 0x35, CMD_HW2SW_SRQ = 0x36, CMD_QUERY_SRQ = 0x37, CMD_ARM_SRQ = 0x40, /* QP/EE commands */ CMD_RST2INIT_QPEE = 0x19, CMD_INIT2RTR_QPEE = 0x1a, CMD_RTR2RTS_QPEE = 0x1b, CMD_RTS2RTS_QPEE = 0x1c, CMD_SQERR2RTS_QPEE = 0x1d, CMD_2ERR_QPEE = 0x1e, CMD_RTS2SQD_QPEE = 0x1f, CMD_SQD2SQD_QPEE = 0x38, CMD_SQD2RTS_QPEE = 0x20, CMD_ERR2RST_QPEE = 0x21, CMD_QUERY_QPEE = 0x22, CMD_INIT2INIT_QPEE = 0x2d, CMD_SUSPEND_QPEE = 0x32, CMD_UNSUSPEND_QPEE = 0x33, /* special QPs and management commands */ CMD_CONF_SPECIAL_QP = 0x23, CMD_MAD_IFC = 0x24, /* multicast commands */ CMD_READ_MGM = 0x25, CMD_WRITE_MGM = 0x26, CMD_MGID_HASH = 0x27, /* miscellaneous commands */ CMD_DIAG_RPRT = 0x30, CMD_NOP = 0x31, /* debug commands */ CMD_QUERY_DEBUG_MSG = 0x2a, CMD_SET_DEBUG_MSG = 0x2b, }; /* * According to Mellanox code, FW may be starved and never complete * commands. So we can't use strict timeouts described in PRM -- we * just arbitrarily select 60 seconds for now. */ #if 0 /* * Round up and add 1 to make sure we get the full wait time (since we * will be starting in the middle of a jiffy) */ enum { CMD_TIME_CLASS_A = (HZ + 999) / 1000 + 1, CMD_TIME_CLASS_B = (HZ + 99) / 100 + 1, CMD_TIME_CLASS_C = (HZ + 9) / 10 + 1, CMD_TIME_CLASS_D = 60 * HZ }; #else enum { CMD_TIME_CLASS_A = 60 * HZ, CMD_TIME_CLASS_B = 60 * HZ, CMD_TIME_CLASS_C = 60 * HZ, CMD_TIME_CLASS_D = 60 * HZ }; #endif enum { GO_BIT_TIMEOUT = HZ * 10 }; struct mthca_cmd_context { struct completion done; int result; int next; u64 out_param; u16 token; u8 status; }; static int fw_cmd_doorbell = 0; module_param(fw_cmd_doorbell, int, 0644); MODULE_PARM_DESC(fw_cmd_doorbell, "post FW commands through doorbell page if nonzero " "(and supported by FW)"); static inline int go_bit(struct mthca_dev *dev) { return readl(dev->hcr + HCR_STATUS_OFFSET) & swab32(1 << HCR_GO_BIT); } static void mthca_cmd_post_dbell(struct mthca_dev *dev, u64 in_param, u64 out_param, u32 in_modifier, u8 op_modifier, u16 op, u16 token) { void __iomem *ptr = dev->cmd.dbell_map; u16 *offs = dev->cmd.dbell_offsets; __raw_writel((__force u32) cpu_to_be32(in_param >> 32), ptr + offs[0]); wmb(); __raw_writel((__force u32) cpu_to_be32(in_param & 0xfffffffful), ptr + offs[1]); wmb(); __raw_writel((__force u32) cpu_to_be32(in_modifier), ptr + offs[2]); wmb(); __raw_writel((__force u32) cpu_to_be32(out_param >> 32), ptr + offs[3]); wmb(); __raw_writel((__force u32) cpu_to_be32(out_param & 0xfffffffful), ptr + offs[4]); wmb(); __raw_writel((__force u32) cpu_to_be32(token << 16), ptr + offs[5]); wmb(); __raw_writel((__force u32) cpu_to_be32((1 << HCR_GO_BIT) | (1 << HCA_E_BIT) | (op_modifier << HCR_OPMOD_SHIFT) | op), ptr + offs[6]); wmb(); __raw_writel((__force u32) 0, ptr + offs[7]); wmb(); } static int mthca_cmd_post_hcr(struct mthca_dev *dev, u64 in_param, u64 out_param, u32 in_modifier, u8 op_modifier, u16 op, u16 token, int event) { if (event) { unsigned long end = jiffies + GO_BIT_TIMEOUT; while (go_bit(dev) && time_before(jiffies, end)) { set_current_state(TASK_RUNNING); schedule(); } } if (go_bit(dev)) return -EAGAIN; /* * We use writel (instead of something like memcpy_toio) * because writes of less than 32 bits to the HCR don't work * (and some architectures such as ia64 implement memcpy_toio * in terms of writeb). */ __raw_writel((__force u32) cpu_to_be32(in_param >> 32), dev->hcr + 0 * 4); __raw_writel((__force u32) cpu_to_be32(in_param & 0xfffffffful), dev->hcr + 1 * 4); __raw_writel((__force u32) cpu_to_be32(in_modifier), dev->hcr + 2 * 4); __raw_writel((__force u32) cpu_to_be32(out_param >> 32), dev->hcr + 3 * 4); __raw_writel((__force u32) cpu_to_be32(out_param & 0xfffffffful), dev->hcr + 4 * 4); __raw_writel((__force u32) cpu_to_be32(token << 16), dev->hcr + 5 * 4); /* __raw_writel may not order writes. */ wmb(); __raw_writel((__force u32) cpu_to_be32((1 << HCR_GO_BIT) | (event ? (1 << HCA_E_BIT) : 0) | (op_modifier << HCR_OPMOD_SHIFT) | op), dev->hcr + 6 * 4); return 0; } static int mthca_cmd_post(struct mthca_dev *dev, u64 in_param, u64 out_param, u32 in_modifier, u8 op_modifier, u16 op, u16 token, int event) { int err = 0; mutex_lock(&dev->cmd.hcr_mutex); if (event && dev->cmd.flags & MTHCA_CMD_POST_DOORBELLS && fw_cmd_doorbell) mthca_cmd_post_dbell(dev, in_param, out_param, in_modifier, op_modifier, op, token); else err = mthca_cmd_post_hcr(dev, in_param, out_param, in_modifier, op_modifier, op, token, event); mutex_unlock(&dev->cmd.hcr_mutex); return err; } static int mthca_status_to_errno(u8 status) { static const int trans_table[] = { [MTHCA_CMD_STAT_INTERNAL_ERR] = -EIO, [MTHCA_CMD_STAT_BAD_OP] = -EPERM, [MTHCA_CMD_STAT_BAD_PARAM] = -EINVAL, [MTHCA_CMD_STAT_BAD_SYS_STATE] = -ENXIO, [MTHCA_CMD_STAT_BAD_RESOURCE] = -EBADF, [MTHCA_CMD_STAT_RESOURCE_BUSY] = -EBUSY, [MTHCA_CMD_STAT_DDR_MEM_ERR] = -ENOMEM, [MTHCA_CMD_STAT_EXCEED_LIM] = -ENOMEM, [MTHCA_CMD_STAT_BAD_RES_STATE] = -EBADF, [MTHCA_CMD_STAT_BAD_INDEX] = -EBADF, [MTHCA_CMD_STAT_BAD_NVMEM] = -EFAULT, [MTHCA_CMD_STAT_BAD_QPEE_STATE] = -EINVAL, [MTHCA_CMD_STAT_BAD_SEG_PARAM] = -EFAULT, [MTHCA_CMD_STAT_REG_BOUND] = -EBUSY, [MTHCA_CMD_STAT_LAM_NOT_PRE] = -EAGAIN, [MTHCA_CMD_STAT_BAD_PKT] = -EBADMSG, [MTHCA_CMD_STAT_BAD_SIZE] = -ENOMEM, }; if (status >= ARRAY_SIZE(trans_table) || (status != MTHCA_CMD_STAT_OK && trans_table[status] == 0)) return -EINVAL; return trans_table[status]; } static int mthca_cmd_poll(struct mthca_dev *dev, u64 in_param, u64 *out_param, int out_is_imm, u32 in_modifier, u8 op_modifier, u16 op, unsigned long timeout) { int err = 0; unsigned long end; u8 status; down(&dev->cmd.poll_sem); err = mthca_cmd_post(dev, in_param, out_param ? *out_param : 0, in_modifier, op_modifier, op, CMD_POLL_TOKEN, 0); if (err) goto out; end = timeout + jiffies; while (go_bit(dev) && time_before(jiffies, end)) { set_current_state(TASK_RUNNING); schedule(); } if (go_bit(dev)) { err = -EBUSY; goto out; } if (out_is_imm && out_param) { *out_param = (u64) be32_to_cpu((__force __be32) __raw_readl(dev->hcr + HCR_OUT_PARAM_OFFSET)) << 32 | (u64) be32_to_cpu((__force __be32) __raw_readl(dev->hcr + HCR_OUT_PARAM_OFFSET + 4)); } else if (out_is_imm) { err = -EINVAL; goto out; } status = be32_to_cpu((__force __be32) __raw_readl(dev->hcr + HCR_STATUS_OFFSET)) >> 24; if (status) { mthca_dbg(dev, "Command %02x completed with status %02x\n", op, status); err = mthca_status_to_errno(status); } out: up(&dev->cmd.poll_sem); return err; } void mthca_cmd_event(struct mthca_dev *dev, u16 token, u8 status, u64 out_param) { struct mthca_cmd_context *context = &dev->cmd.context[token & dev->cmd.token_mask]; /* previously timed out command completing at long last */ if (token != context->token) return; context->result = 0; context->status = status; context->out_param = out_param; complete(&context->done); } static int mthca_cmd_wait(struct mthca_dev *dev, u64 in_param, u64 *out_param, int out_is_imm, u32 in_modifier, u8 op_modifier, u16 op, unsigned long timeout) { int err = 0; struct mthca_cmd_context *context; down(&dev->cmd.event_sem); spin_lock(&dev->cmd.context_lock); BUG_ON(dev->cmd.free_head < 0); context = &dev->cmd.context[dev->cmd.free_head]; context->token += dev->cmd.token_mask + 1; dev->cmd.free_head = context->next; spin_unlock(&dev->cmd.context_lock); init_completion(&context->done); err = mthca_cmd_post(dev, in_param, out_param ? *out_param : 0, in_modifier, op_modifier, op, context->token, 1); if (err) goto out; if (!wait_for_completion_timeout(&context->done, timeout)) { err = -EBUSY; goto out; } err = context->result; if (err) goto out; if (context->status) { mthca_dbg(dev, "Command %02x completed with status %02x\n", op, context->status); err = mthca_status_to_errno(context->status); } if (out_is_imm && out_param) { *out_param = context->out_param; } else if (out_is_imm) { err = -EINVAL; goto out; } out: spin_lock(&dev->cmd.context_lock); context->next = dev->cmd.free_head; dev->cmd.free_head = context - dev->cmd.context; spin_unlock(&dev->cmd.context_lock); up(&dev->cmd.event_sem); return err; } /* Invoke a command with an output mailbox */ static int mthca_cmd_box(struct mthca_dev *dev, u64 in_param, u64 out_param, u32 in_modifier, u8 op_modifier, u16 op, unsigned long timeout) { if (dev->cmd.flags & MTHCA_CMD_USE_EVENTS) return mthca_cmd_wait(dev, in_param, &out_param, 0, in_modifier, op_modifier, op, timeout); else return mthca_cmd_poll(dev, in_param, &out_param, 0, in_modifier, op_modifier, op, timeout); } /* Invoke a command with no output parameter */ static int mthca_cmd(struct mthca_dev *dev, u64 in_param, u32 in_modifier, u8 op_modifier, u16 op, unsigned long timeout) { return mthca_cmd_box(dev, in_param, 0, in_modifier, op_modifier, op, timeout); } /* * Invoke a command with an immediate output parameter (and copy the * output into the caller's out_param pointer after the command * executes). */ static int mthca_cmd_imm(struct mthca_dev *dev, u64 in_param, u64 *out_param, u32 in_modifier, u8 op_modifier, u16 op, unsigned long timeout) { if (dev->cmd.flags & MTHCA_CMD_USE_EVENTS) return mthca_cmd_wait(dev, in_param, out_param, 1, in_modifier, op_modifier, op, timeout); else return mthca_cmd_poll(dev, in_param, out_param, 1, in_modifier, op_modifier, op, timeout); } int mthca_cmd_init(struct mthca_dev *dev) { mutex_init(&dev->cmd.hcr_mutex); sema_init(&dev->cmd.poll_sem, 1); dev->cmd.flags = 0; dev->hcr = ioremap(pci_resource_start(dev->pdev, 0) + MTHCA_HCR_BASE, MTHCA_HCR_SIZE); if (!dev->hcr) { mthca_err(dev, "Couldn't map command register."); return -ENOMEM; } dev->cmd.pool = dma_pool_create("mthca_cmd", &dev->pdev->dev, MTHCA_MAILBOX_SIZE, MTHCA_MAILBOX_SIZE, 0); if (!dev->cmd.pool) { iounmap(dev->hcr); return -ENOMEM; } return 0; } void mthca_cmd_cleanup(struct mthca_dev *dev) { dma_pool_destroy(dev->cmd.pool); iounmap(dev->hcr); if (dev->cmd.flags & MTHCA_CMD_POST_DOORBELLS) iounmap(dev->cmd.dbell_map); } /* * Switch to using events to issue FW commands (should be called after * event queue to command events has been initialized). */ int mthca_cmd_use_events(struct mthca_dev *dev) { int i; dev->cmd.context = kmalloc_array(dev->cmd.max_cmds, sizeof(struct mthca_cmd_context), GFP_KERNEL); if (!dev->cmd.context) return -ENOMEM; for (i = 0; i < dev->cmd.max_cmds; ++i) { dev->cmd.context[i].token = i; dev->cmd.context[i].next = i + 1; } dev->cmd.context[dev->cmd.max_cmds - 1].next = -1; dev->cmd.free_head = 0; sema_init(&dev->cmd.event_sem, dev->cmd.max_cmds); spin_lock_init(&dev->cmd.context_lock); for (dev->cmd.token_mask = 1; dev->cmd.token_mask < dev->cmd.max_cmds; dev->cmd.token_mask <<= 1) ; /* nothing */ --dev->cmd.token_mask; dev->cmd.flags |= MTHCA_CMD_USE_EVENTS; down(&dev->cmd.poll_sem); return 0; } /* * Switch back to polling (used when shutting down the device) */ void mthca_cmd_use_polling(struct mthca_dev *dev) { int i; dev->cmd.flags &= ~MTHCA_CMD_USE_EVENTS; for (i = 0; i < dev->cmd.max_cmds; ++i) down(&dev->cmd.event_sem); kfree(dev->cmd.context); up(&dev->cmd.poll_sem); } struct mthca_mailbox *mthca_alloc_mailbox(struct mthca_dev *dev, gfp_t gfp_mask) { struct mthca_mailbox *mailbox; mailbox = kmalloc(sizeof *mailbox, gfp_mask); if (!mailbox) return ERR_PTR(-ENOMEM); mailbox->buf = dma_pool_alloc(dev->cmd.pool, gfp_mask, &mailbox->dma); if (!mailbox->buf) { kfree(mailbox); return ERR_PTR(-ENOMEM); } return mailbox; } void mthca_free_mailbox(struct mthca_dev *dev, struct mthca_mailbox *mailbox) { if (!mailbox) return; dma_pool_free(dev->cmd.pool, mailbox->buf, mailbox->dma); kfree(mailbox); } int mthca_SYS_EN(struct mthca_dev *dev) { u64 out; int ret; ret = mthca_cmd_imm(dev, 0, &out, 0, 0, CMD_SYS_EN, CMD_TIME_CLASS_D); if (ret == -ENOMEM) mthca_warn(dev, "SYS_EN DDR error: syn=%x, sock=%d, " "sladdr=%d, SPD source=%s\n", (int) (out >> 6) & 0xf, (int) (out >> 4) & 3, (int) (out >> 1) & 7, (int) out & 1 ? "NVMEM" : "DIMM"); return ret; } int mthca_SYS_DIS(struct mthca_dev *dev) { return mthca_cmd(dev, 0, 0, 0, CMD_SYS_DIS, CMD_TIME_CLASS_C); } static int mthca_map_cmd(struct mthca_dev *dev, u16 op, struct mthca_icm *icm, u64 virt) { struct mthca_mailbox *mailbox; struct mthca_icm_iter iter; __be64 *pages; int lg; int nent = 0; int i; int err = 0; int ts = 0, tc = 0; mailbox = mthca_alloc_mailbox(dev, GFP_KERNEL); if (IS_ERR(mailbox)) return PTR_ERR(mailbox); memset(mailbox->buf, 0, MTHCA_MAILBOX_SIZE); pages = mailbox->buf; for (mthca_icm_first(icm, &iter); !mthca_icm_last(&iter); mthca_icm_next(&iter)) { /* * We have to pass pages that are aligned to their * size, so find the least significant 1 in the * address or size and use that as our log2 size. */ lg = ffs(mthca_icm_addr(&iter) | mthca_icm_size(&iter)) - 1; if (lg < MTHCA_ICM_PAGE_SHIFT) { mthca_warn(dev, "Got FW area not aligned to %d (%llx/%lx).\n", MTHCA_ICM_PAGE_SIZE, (unsigned long long) mthca_icm_addr(&iter), mthca_icm_size(&iter)); err = -EINVAL; goto out; } for (i = 0; i < mthca_icm_size(&iter) >> lg; ++i) { if (virt != -1) { pages[nent * 2] = cpu_to_be64(virt); virt += 1ULL << lg; } pages[nent * 2 + 1] = cpu_to_be64((mthca_icm_addr(&iter) + (i << lg)) | (lg - MTHCA_ICM_PAGE_SHIFT)); ts += 1 << (lg - 10); ++tc; if (++nent == MTHCA_MAILBOX_SIZE / 16) { err = mthca_cmd(dev, mailbox->dma, nent, 0, op, CMD_TIME_CLASS_B); if (err) goto out; nent = 0; } } } if (nent) err = mthca_cmd(dev, mailbox->dma, nent, 0, op, CMD_TIME_CLASS_B); switch (op) { case CMD_MAP_FA: mthca_dbg(dev, "Mapped %d chunks/%d KB for FW.\n", tc, ts); break; case CMD_MAP_ICM_AUX: mthca_dbg(dev, "Mapped %d chunks/%d KB for ICM aux.\n", tc, ts); break; case CMD_MAP_ICM: mthca_dbg(dev, "Mapped %d chunks/%d KB at %llx for ICM.\n", tc, ts, (unsigned long long) virt - (ts << 10)); break; } out: mthca_free_mailbox(dev, mailbox); return err; } int mthca_MAP_FA(struct mthca_dev *dev, struct mthca_icm *icm) { return mthca_map_cmd(dev, CMD_MAP_FA, icm, -1); } int mthca_UNMAP_FA(struct mthca_dev *dev) { return mthca_cmd(dev, 0, 0, 0, CMD_UNMAP_FA, CMD_TIME_CLASS_B); } int mthca_RUN_FW(struct mthca_dev *dev) { return mthca_cmd(dev, 0, 0, 0, CMD_RUN_FW, CMD_TIME_CLASS_A); } static void mthca_setup_cmd_doorbells(struct mthca_dev *dev, u64 base) { phys_addr_t addr; u16 max_off = 0; int i; for (i = 0; i < 8; ++i) max_off = max(max_off, dev->cmd.dbell_offsets[i]); if ((base & PAGE_MASK) != ((base + max_off) & PAGE_MASK)) { mthca_warn(dev, "Firmware doorbell region at 0x%016llx, " "length 0x%x crosses a page boundary\n", (unsigned long long) base, max_off); return; } addr = pci_resource_start(dev->pdev, 2) + ((pci_resource_len(dev->pdev, 2) - 1) & base); dev->cmd.dbell_map = ioremap(addr, max_off + sizeof(u32)); if (!dev->cmd.dbell_map) return; dev->cmd.flags |= MTHCA_CMD_POST_DOORBELLS; mthca_dbg(dev, "Mapped doorbell page for posting FW commands\n"); } int mthca_QUERY_FW(struct mthca_dev *dev) { struct mthca_mailbox *mailbox; u32 *outbox; u64 base; u32 tmp; int err = 0; u8 lg; int i; #define QUERY_FW_OUT_SIZE 0x100 #define QUERY_FW_VER_OFFSET 0x00 #define QUERY_FW_MAX_CMD_OFFSET 0x0f #define QUERY_FW_ERR_START_OFFSET 0x30 #define QUERY_FW_ERR_SIZE_OFFSET 0x38 #define QUERY_FW_CMD_DB_EN_OFFSET 0x10 #define QUERY_FW_CMD_DB_OFFSET 0x50 #define QUERY_FW_CMD_DB_BASE 0x60 #define QUERY_FW_START_OFFSET 0x20 #define QUERY_FW_END_OFFSET 0x28 #define QUERY_FW_SIZE_OFFSET 0x00 #define QUERY_FW_CLR_INT_BASE_OFFSET 0x20 #define QUERY_FW_EQ_ARM_BASE_OFFSET 0x40 #define QUERY_FW_EQ_SET_CI_BASE_OFFSET 0x48 mailbox = mthca_alloc_mailbox(dev, GFP_KERNEL); if (IS_ERR(mailbox)) return PTR_ERR(mailbox); outbox = mailbox->buf; err = mthca_cmd_box(dev, 0, mailbox->dma, 0, 0, CMD_QUERY_FW, CMD_TIME_CLASS_A); if (err) goto out; MTHCA_GET(dev->fw_ver, outbox, QUERY_FW_VER_OFFSET); /* * FW subminor version is at more significant bits than minor * version, so swap here. */ dev->fw_ver = (dev->fw_ver & 0xffff00000000ull) | ((dev->fw_ver & 0xffff0000ull) >> 16) | ((dev->fw_ver & 0x0000ffffull) << 16); MTHCA_GET(lg, outbox, QUERY_FW_MAX_CMD_OFFSET); dev->cmd.max_cmds = 1 << lg; mthca_dbg(dev, "FW version %012llx, max commands %d\n", (unsigned long long) dev->fw_ver, dev->cmd.max_cmds); MTHCA_GET(dev->catas_err.addr, outbox, QUERY_FW_ERR_START_OFFSET); MTHCA_GET(dev->catas_err.size, outbox, QUERY_FW_ERR_SIZE_OFFSET); mthca_dbg(dev, "Catastrophic error buffer at 0x%llx, size 0x%x\n", (unsigned long long) dev->catas_err.addr, dev->catas_err.size); MTHCA_GET(tmp, outbox, QUERY_FW_CMD_DB_EN_OFFSET); if (tmp & 0x1) { mthca_dbg(dev, "FW supports commands through doorbells\n"); MTHCA_GET(base, outbox, QUERY_FW_CMD_DB_BASE); for (i = 0; i < MTHCA_CMD_NUM_DBELL_DWORDS; ++i) MTHCA_GET(dev->cmd.dbell_offsets[i], outbox, QUERY_FW_CMD_DB_OFFSET + (i << 1)); mthca_setup_cmd_doorbells(dev, base); } if (mthca_is_memfree(dev)) { MTHCA_GET(dev->fw.arbel.fw_pages, outbox, QUERY_FW_SIZE_OFFSET); MTHCA_GET(dev->fw.arbel.clr_int_base, outbox, QUERY_FW_CLR_INT_BASE_OFFSET); MTHCA_GET(dev->fw.arbel.eq_arm_base, outbox, QUERY_FW_EQ_ARM_BASE_OFFSET); MTHCA_GET(dev->fw.arbel.eq_set_ci_base, outbox, QUERY_FW_EQ_SET_CI_BASE_OFFSET); mthca_dbg(dev, "FW size %d KB\n", dev->fw.arbel.fw_pages << 2); /* * Round up number of system pages needed in case * MTHCA_ICM_PAGE_SIZE < PAGE_SIZE. */ dev->fw.arbel.fw_pages = ALIGN(dev->fw.arbel.fw_pages, PAGE_SIZE / MTHCA_ICM_PAGE_SIZE) >> (PAGE_SHIFT - MTHCA_ICM_PAGE_SHIFT); mthca_dbg(dev, "Clear int @ %llx, EQ arm @ %llx, EQ set CI @ %llx\n", (unsigned long long) dev->fw.arbel.clr_int_base, (unsigned long long) dev->fw.arbel.eq_arm_base, (unsigned long long) dev->fw.arbel.eq_set_ci_base); } else { MTHCA_GET(dev->fw.tavor.fw_start, outbox, QUERY_FW_START_OFFSET); MTHCA_GET(dev->fw.tavor.fw_end, outbox, QUERY_FW_END_OFFSET); mthca_dbg(dev, "FW size %d KB (start %llx, end %llx)\n", (int) ((dev->fw.tavor.fw_end - dev->fw.tavor.fw_start) >> 10), (unsigned long long) dev->fw.tavor.fw_start, (unsigned long long) dev->fw.tavor.fw_end); } out: mthca_free_mailbox(dev, mailbox); return err; } int mthca_ENABLE_LAM(struct mthca_dev *dev) { struct mthca_mailbox *mailbox; u8 info; u32 *outbox; int err = 0; #define ENABLE_LAM_OUT_SIZE 0x100 #define ENABLE_LAM_START_OFFSET 0x00 #define ENABLE_LAM_END_OFFSET 0x08 #define ENABLE_LAM_INFO_OFFSET 0x13 #define ENABLE_LAM_INFO_HIDDEN_FLAG (1 << 4) #define ENABLE_LAM_INFO_ECC_MASK 0x3 mailbox = mthca_alloc_mailbox(dev, GFP_KERNEL); if (IS_ERR(mailbox)) return PTR_ERR(mailbox); outbox = mailbox->buf; err = mthca_cmd_box(dev, 0, mailbox->dma, 0, 0, CMD_ENABLE_LAM, CMD_TIME_CLASS_C); if (err) goto out; MTHCA_GET(dev->ddr_start, outbox, ENABLE_LAM_START_OFFSET); MTHCA_GET(dev->ddr_end, outbox, ENABLE_LAM_END_OFFSET); MTHCA_GET(info, outbox, ENABLE_LAM_INFO_OFFSET); if (!!(info & ENABLE_LAM_INFO_HIDDEN_FLAG) != !!(dev->mthca_flags & MTHCA_FLAG_DDR_HIDDEN)) { mthca_info(dev, "FW reports that HCA-attached memory " "is %s hidden; does not match PCI config\n", (info & ENABLE_LAM_INFO_HIDDEN_FLAG) ? "" : "not"); } if (info & ENABLE_LAM_INFO_HIDDEN_FLAG) mthca_dbg(dev, "HCA-attached memory is hidden.\n"); mthca_dbg(dev, "HCA memory size %d KB (start %llx, end %llx)\n", (int) ((dev->ddr_end - dev->ddr_start) >> 10), (unsigned long long) dev->ddr_start, (unsigned long long) dev->ddr_end); out: mthca_free_mailbox(dev, mailbox); return err; } int mthca_DISABLE_LAM(struct mthca_dev *dev) { return mthca_cmd(dev, 0, 0, 0, CMD_SYS_DIS, CMD_TIME_CLASS_C); } int mthca_QUERY_DDR(struct mthca_dev *dev) { struct mthca_mailbox *mailbox; u8 info; u32 *outbox; int err = 0; #define QUERY_DDR_OUT_SIZE 0x100 #define QUERY_DDR_START_OFFSET 0x00 #define QUERY_DDR_END_OFFSET 0x08 #define QUERY_DDR_INFO_OFFSET 0x13 #define QUERY_DDR_INFO_HIDDEN_FLAG (1 << 4) #define QUERY_DDR_INFO_ECC_MASK 0x3 mailbox = mthca_alloc_mailbox(dev, GFP_KERNEL); if (IS_ERR(mailbox)) return PTR_ERR(mailbox); outbox = mailbox->buf; err = mthca_cmd_box(dev, 0, mailbox->dma, 0, 0, CMD_QUERY_DDR, CMD_TIME_CLASS_A); if (err) goto out; MTHCA_GET(dev->ddr_start, outbox, QUERY_DDR_START_OFFSET); MTHCA_GET(dev->ddr_end, outbox, QUERY_DDR_END_OFFSET); MTHCA_GET(info, outbox, QUERY_DDR_INFO_OFFSET); if (!!(info & QUERY_DDR_INFO_HIDDEN_FLAG) != !!(dev->mthca_flags & MTHCA_FLAG_DDR_HIDDEN)) { mthca_info(dev, "FW reports that HCA-attached memory " "is %s hidden; does not match PCI config\n", (info & QUERY_DDR_INFO_HIDDEN_FLAG) ? "" : "not"); } if (info & QUERY_DDR_INFO_HIDDEN_FLAG) mthca_dbg(dev, "HCA-attached memory is hidden.\n"); mthca_dbg(dev, "HCA memory size %d KB (start %llx, end %llx)\n", (int) ((dev->ddr_end - dev->ddr_start) >> 10), (unsigned long long) dev->ddr_start, (unsigned long long) dev->ddr_end); out: mthca_free_mailbox(dev, mailbox); return err; } int mthca_QUERY_DEV_LIM(struct mthca_dev *dev, struct mthca_dev_lim *dev_lim) { struct mthca_mailbox *mailbox; u32 *outbox; u8 field; u16 size; u16 stat_rate; int err; #define QUERY_DEV_LIM_OUT_SIZE 0x100 #define QUERY_DEV_LIM_MAX_SRQ_SZ_OFFSET 0x10 #define QUERY_DEV_LIM_MAX_QP_SZ_OFFSET 0x11 #define QUERY_DEV_LIM_RSVD_QP_OFFSET 0x12 #define QUERY_DEV_LIM_MAX_QP_OFFSET 0x13 #define QUERY_DEV_LIM_RSVD_SRQ_OFFSET 0x14 #define QUERY_DEV_LIM_MAX_SRQ_OFFSET 0x15 #define QUERY_DEV_LIM_RSVD_EEC_OFFSET 0x16 #define QUERY_DEV_LIM_MAX_EEC_OFFSET 0x17 #define QUERY_DEV_LIM_MAX_CQ_SZ_OFFSET 0x19 #define QUERY_DEV_LIM_RSVD_CQ_OFFSET 0x1a #define QUERY_DEV_LIM_MAX_CQ_OFFSET 0x1b #define QUERY_DEV_LIM_MAX_MPT_OFFSET 0x1d #define QUERY_DEV_LIM_RSVD_EQ_OFFSET 0x1e #define QUERY_DEV_LIM_MAX_EQ_OFFSET 0x1f #define QUERY_DEV_LIM_RSVD_MTT_OFFSET 0x20 #define QUERY_DEV_LIM_MAX_MRW_SZ_OFFSET 0x21 #define QUERY_DEV_LIM_RSVD_MRW_OFFSET 0x22 #define QUERY_DEV_LIM_MAX_MTT_SEG_OFFSET 0x23 #define QUERY_DEV_LIM_MAX_AV_OFFSET 0x27 #define QUERY_DEV_LIM_MAX_REQ_QP_OFFSET 0x29 #define QUERY_DEV_LIM_MAX_RES_QP_OFFSET 0x2b #define QUERY_DEV_LIM_MAX_RDMA_OFFSET 0x2f #define QUERY_DEV_LIM_RSZ_SRQ_OFFSET 0x33 #define QUERY_DEV_LIM_ACK_DELAY_OFFSET 0x35 #define QUERY_DEV_LIM_MTU_WIDTH_OFFSET 0x36 #define QUERY_DEV_LIM_VL_PORT_OFFSET 0x37 #define QUERY_DEV_LIM_MAX_GID_OFFSET 0x3b #define QUERY_DEV_LIM_RATE_SUPPORT_OFFSET 0x3c #define QUERY_DEV_LIM_MAX_PKEY_OFFSET 0x3f #define QUERY_DEV_LIM_FLAGS_OFFSET 0x44 #define QUERY_DEV_LIM_RSVD_UAR_OFFSET 0x48 #define QUERY_DEV_LIM_UAR_SZ_OFFSET 0x49 #define QUERY_DEV_LIM_PAGE_SZ_OFFSET 0x4b #define QUERY_DEV_LIM_MAX_SG_OFFSET 0x51 #define QUERY_DEV_LIM_MAX_DESC_SZ_OFFSET 0x52 #define QUERY_DEV_LIM_MAX_SG_RQ_OFFSET 0x55 #define QUERY_DEV_LIM_MAX_DESC_SZ_RQ_OFFSET 0x56 #define QUERY_DEV_LIM_MAX_QP_MCG_OFFSET 0x61 #define QUERY_DEV_LIM_RSVD_MCG_OFFSET 0x62 #define QUERY_DEV_LIM_MAX_MCG_OFFSET 0x63 #define QUERY_DEV_LIM_RSVD_PD_OFFSET 0x64 #define QUERY_DEV_LIM_MAX_PD_OFFSET 0x65 #define QUERY_DEV_LIM_RSVD_RDD_OFFSET 0x66 #define QUERY_DEV_LIM_MAX_RDD_OFFSET 0x67 #define QUERY_DEV_LIM_EEC_ENTRY_SZ_OFFSET 0x80 #define QUERY_DEV_LIM_QPC_ENTRY_SZ_OFFSET 0x82 #define QUERY_DEV_LIM_EEEC_ENTRY_SZ_OFFSET 0x84 #define QUERY_DEV_LIM_EQPC_ENTRY_SZ_OFFSET 0x86 #define QUERY_DEV_LIM_EQC_ENTRY_SZ_OFFSET 0x88 #define QUERY_DEV_LIM_CQC_ENTRY_SZ_OFFSET 0x8a #define QUERY_DEV_LIM_SRQ_ENTRY_SZ_OFFSET 0x8c #define QUERY_DEV_LIM_UAR_ENTRY_SZ_OFFSET 0x8e #define QUERY_DEV_LIM_MTT_ENTRY_SZ_OFFSET 0x90 #define QUERY_DEV_LIM_MPT_ENTRY_SZ_OFFSET 0x92 #define QUERY_DEV_LIM_PBL_SZ_OFFSET 0x96 #define QUERY_DEV_LIM_BMME_FLAGS_OFFSET 0x97 #define QUERY_DEV_LIM_RSVD_LKEY_OFFSET 0x98 #define QUERY_DEV_LIM_LAMR_OFFSET 0x9f #define QUERY_DEV_LIM_MAX_ICM_SZ_OFFSET 0xa0 mailbox = mthca_alloc_mailbox(dev, GFP_KERNEL); if (IS_ERR(mailbox)) return PTR_ERR(mailbox); outbox = mailbox->buf; err = mthca_cmd_box(dev, 0, mailbox->dma, 0, 0, CMD_QUERY_DEV_LIM, CMD_TIME_CLASS_A); if (err) goto out; MTHCA_GET(field, outbox, QUERY_DEV_LIM_RSVD_QP_OFFSET); dev_lim->reserved_qps = 1 << (field & 0xf); MTHCA_GET(field, outbox, QUERY_DEV_LIM_MAX_QP_OFFSET); dev_lim->max_qps = 1 << (field & 0x1f); MTHCA_GET(field, outbox, QUERY_DEV_LIM_RSVD_SRQ_OFFSET); dev_lim->reserved_srqs = 1 << (field >> 4); MTHCA_GET(field, outbox, QUERY_DEV_LIM_MAX_SRQ_OFFSET); dev_lim->max_srqs = 1 << (field & 0x1f); MTHCA_GET(field, outbox, QUERY_DEV_LIM_RSVD_EEC_OFFSET); dev_lim->reserved_eecs = 1 << (field & 0xf); MTHCA_GET(field, outbox, QUERY_DEV_LIM_MAX_EEC_OFFSET); dev_lim->max_eecs = 1 << (field & 0x1f); MTHCA_GET(field, outbox, QUERY_DEV_LIM_MAX_CQ_SZ_OFFSET); dev_lim->max_cq_sz = 1 << field; MTHCA_GET(field, outbox, QUERY_DEV_LIM_RSVD_CQ_OFFSET); dev_lim->reserved_cqs = 1 << (field & 0xf); MTHCA_GET(field, outbox, QUERY_DEV_LIM_MAX_CQ_OFFSET); dev_lim->max_cqs = 1 << (field & 0x1f); MTHCA_GET(field, outbox, QUERY_DEV_LIM_MAX_MPT_OFFSET); dev_lim->max_mpts = 1 << (field & 0x3f); MTHCA_GET(field, outbox, QUERY_DEV_LIM_RSVD_EQ_OFFSET); dev_lim->reserved_eqs = 1 << (field & 0xf); MTHCA_GET(field, outbox, QUERY_DEV_LIM_MAX_EQ_OFFSET); dev_lim->max_eqs = 1 << (field & 0x7); MTHCA_GET(field, outbox, QUERY_DEV_LIM_RSVD_MTT_OFFSET); if (mthca_is_memfree(dev)) dev_lim->reserved_mtts = ALIGN((1 << (field >> 4)) * sizeof(u64), dev->limits.mtt_seg_size) / dev->limits.mtt_seg_size; else dev_lim->reserved_mtts = 1 << (field >> 4); MTHCA_GET(field, outbox, QUERY_DEV_LIM_MAX_MRW_SZ_OFFSET); dev_lim->max_mrw_sz = 1 << field; MTHCA_GET(field, outbox, QUERY_DEV_LIM_RSVD_MRW_OFFSET); dev_lim->reserved_mrws = 1 << (field & 0xf); MTHCA_GET(field, outbox, QUERY_DEV_LIM_MAX_MTT_SEG_OFFSET); dev_lim->max_mtt_seg = 1 << (field & 0x3f); MTHCA_GET(field, outbox, QUERY_DEV_LIM_MAX_REQ_QP_OFFSET); dev_lim->max_requester_per_qp = 1 << (field & 0x3f); MTHCA_GET(field, outbox, QUERY_DEV_LIM_MAX_RES_QP_OFFSET); dev_lim->max_responder_per_qp = 1 << (field & 0x3f); MTHCA_GET(field, outbox, QUERY_DEV_LIM_MAX_RDMA_OFFSET); dev_lim->max_rdma_global = 1 << (field & 0x3f); MTHCA_GET(field, outbox, QUERY_DEV_LIM_ACK_DELAY_OFFSET); dev_lim->local_ca_ack_delay = field & 0x1f; MTHCA_GET(field, outbox, QUERY_DEV_LIM_MTU_WIDTH_OFFSET); dev_lim->max_mtu = field >> 4; dev_lim->max_port_width = field & 0xf; MTHCA_GET(field, outbox, QUERY_DEV_LIM_VL_PORT_OFFSET); dev_lim->max_vl = field >> 4; dev_lim->num_ports = field & 0xf; MTHCA_GET(field, outbox, QUERY_DEV_LIM_MAX_GID_OFFSET); dev_lim->max_gids = 1 << (field & 0xf); MTHCA_GET(stat_rate, outbox, QUERY_DEV_LIM_RATE_SUPPORT_OFFSET); dev_lim->stat_rate_support = stat_rate; MTHCA_GET(field, outbox, QUERY_DEV_LIM_MAX_PKEY_OFFSET); dev_lim->max_pkeys = 1 << (field & 0xf); MTHCA_GET(dev_lim->flags, outbox, QUERY_DEV_LIM_FLAGS_OFFSET); MTHCA_GET(field, outbox, QUERY_DEV_LIM_RSVD_UAR_OFFSET); dev_lim->reserved_uars = field >> 4; MTHCA_GET(field, outbox, QUERY_DEV_LIM_UAR_SZ_OFFSET); dev_lim->uar_size = 1 << ((field & 0x3f) + 20); MTHCA_GET(field, outbox, QUERY_DEV_LIM_PAGE_SZ_OFFSET); dev_lim->min_page_sz = 1 << field; MTHCA_GET(field, outbox, QUERY_DEV_LIM_MAX_SG_OFFSET); dev_lim->max_sg = field; MTHCA_GET(size, outbox, QUERY_DEV_LIM_MAX_DESC_SZ_OFFSET); dev_lim->max_desc_sz = size; MTHCA_GET(field, outbox, QUERY_DEV_LIM_MAX_QP_MCG_OFFSET); dev_lim->max_qp_per_mcg = 1 << field; MTHCA_GET(field, outbox, QUERY_DEV_LIM_RSVD_MCG_OFFSET); dev_lim->reserved_mgms = field & 0xf; MTHCA_GET(field, outbox, QUERY_DEV_LIM_MAX_MCG_OFFSET); dev_lim->max_mcgs = 1 << field; MTHCA_GET(field, outbox, QUERY_DEV_LIM_RSVD_PD_OFFSET); dev_lim->reserved_pds = field >> 4; MTHCA_GET(field, outbox, QUERY_DEV_LIM_MAX_PD_OFFSET); dev_lim->max_pds = 1 << (field & 0x3f); MTHCA_GET(field, outbox, QUERY_DEV_LIM_RSVD_RDD_OFFSET); dev_lim->reserved_rdds = field >> 4; MTHCA_GET(field, outbox, QUERY_DEV_LIM_MAX_RDD_OFFSET); dev_lim->max_rdds = 1 << (field & 0x3f); MTHCA_GET(size, outbox, QUERY_DEV_LIM_EEC_ENTRY_SZ_OFFSET); dev_lim->eec_entry_sz = size; MTHCA_GET(size, outbox, QUERY_DEV_LIM_QPC_ENTRY_SZ_OFFSET); dev_lim->qpc_entry_sz = size; MTHCA_GET(size, outbox, QUERY_DEV_LIM_EEEC_ENTRY_SZ_OFFSET); dev_lim->eeec_entry_sz = size; MTHCA_GET(size, outbox, QUERY_DEV_LIM_EQPC_ENTRY_SZ_OFFSET); dev_lim->eqpc_entry_sz = size; MTHCA_GET(size, outbox, QUERY_DEV_LIM_EQC_ENTRY_SZ_OFFSET); dev_lim->eqc_entry_sz = size; MTHCA_GET(size, outbox, QUERY_DEV_LIM_CQC_ENTRY_SZ_OFFSET); dev_lim->cqc_entry_sz = size; MTHCA_GET(size, outbox, QUERY_DEV_LIM_SRQ_ENTRY_SZ_OFFSET); dev_lim->srq_entry_sz = size; MTHCA_GET(size, outbox, QUERY_DEV_LIM_UAR_ENTRY_SZ_OFFSET); dev_lim->uar_scratch_entry_sz = size; if (mthca_is_memfree(dev)) { MTHCA_GET(field, outbox, QUERY_DEV_LIM_MAX_SRQ_SZ_OFFSET); dev_lim->max_srq_sz = 1 << field; MTHCA_GET(field, outbox, QUERY_DEV_LIM_MAX_QP_SZ_OFFSET); dev_lim->max_qp_sz = 1 << field; MTHCA_GET(field, outbox, QUERY_DEV_LIM_RSZ_SRQ_OFFSET); dev_lim->hca.arbel.resize_srq = field & 1; MTHCA_GET(field, outbox, QUERY_DEV_LIM_MAX_SG_RQ_OFFSET); dev_lim->max_sg = min_t(int, field, dev_lim->max_sg); MTHCA_GET(size, outbox, QUERY_DEV_LIM_MAX_DESC_SZ_RQ_OFFSET); dev_lim->max_desc_sz = min_t(int, size, dev_lim->max_desc_sz); MTHCA_GET(size, outbox, QUERY_DEV_LIM_MPT_ENTRY_SZ_OFFSET); dev_lim->mpt_entry_sz = size; MTHCA_GET(field, outbox, QUERY_DEV_LIM_PBL_SZ_OFFSET); dev_lim->hca.arbel.max_pbl_sz = 1 << (field & 0x3f); MTHCA_GET(dev_lim->hca.arbel.bmme_flags, outbox, QUERY_DEV_LIM_BMME_FLAGS_OFFSET); MTHCA_GET(dev_lim->hca.arbel.reserved_lkey, outbox, QUERY_DEV_LIM_RSVD_LKEY_OFFSET); MTHCA_GET(field, outbox, QUERY_DEV_LIM_LAMR_OFFSET); dev_lim->hca.arbel.lam_required = field & 1; MTHCA_GET(dev_lim->hca.arbel.max_icm_sz, outbox, QUERY_DEV_LIM_MAX_ICM_SZ_OFFSET); if (dev_lim->hca.arbel.bmme_flags & 1) mthca_dbg(dev, "Base MM extensions: yes " "(flags %d, max PBL %d, rsvd L_Key %08x)\n", dev_lim->hca.arbel.bmme_flags, dev_lim->hca.arbel.max_pbl_sz, dev_lim->hca.arbel.reserved_lkey); else mthca_dbg(dev, "Base MM extensions: no\n"); mthca_dbg(dev, "Max ICM size %lld MB\n", (unsigned long long) dev_lim->hca.arbel.max_icm_sz >> 20); } else { MTHCA_GET(field, outbox, QUERY_DEV_LIM_MAX_SRQ_SZ_OFFSET); dev_lim->max_srq_sz = (1 << field) - 1; MTHCA_GET(field, outbox, QUERY_DEV_LIM_MAX_QP_SZ_OFFSET); dev_lim->max_qp_sz = (1 << field) - 1; MTHCA_GET(field, outbox, QUERY_DEV_LIM_MAX_AV_OFFSET); dev_lim->hca.tavor.max_avs = 1 << (field & 0x3f); dev_lim->mpt_entry_sz = MTHCA_MPT_ENTRY_SIZE; } mthca_dbg(dev, "Max QPs: %d, reserved QPs: %d, entry size: %d\n", dev_lim->max_qps, dev_lim->reserved_qps, dev_lim->qpc_entry_sz); mthca_dbg(dev, "Max SRQs: %d, reserved SRQs: %d, entry size: %d\n", dev_lim->max_srqs, dev_lim->reserved_srqs, dev_lim->srq_entry_sz); mthca_dbg(dev, "Max CQs: %d, reserved CQs: %d, entry size: %d\n", dev_lim->max_cqs, dev_lim->reserved_cqs, dev_lim->cqc_entry_sz); mthca_dbg(dev, "Max EQs: %d, reserved EQs: %d, entry size: %d\n", dev_lim->max_eqs, dev_lim->reserved_eqs, dev_lim->eqc_entry_sz); mthca_dbg(dev, "reserved MPTs: %d, reserved MTTs: %d\n", dev_lim->reserved_mrws, dev_lim->reserved_mtts); mthca_dbg(dev, "Max PDs: %d, reserved PDs: %d, reserved UARs: %d\n", dev_lim->max_pds, dev_lim->reserved_pds, dev_lim->reserved_uars); mthca_dbg(dev, "Max QP/MCG: %d, reserved MGMs: %d\n", dev_lim->max_pds, dev_lim->reserved_mgms); mthca_dbg(dev, "Max CQEs: %d, max WQEs: %d, max SRQ WQEs: %d\n", dev_lim->max_cq_sz, dev_lim->max_qp_sz, dev_lim->max_srq_sz); mthca_dbg(dev, "Flags: %08x\n", dev_lim->flags); out: mthca_free_mailbox(dev, mailbox); return err; } static void get_board_id(void *vsd, char *board_id) { int i; #define VSD_OFFSET_SIG1 0x00 #define VSD_OFFSET_SIG2 0xde #define VSD_OFFSET_MLX_BOARD_ID 0xd0 #define VSD_OFFSET_TS_BOARD_ID 0x20 #define VSD_SIGNATURE_TOPSPIN 0x5ad memset(board_id, 0, MTHCA_BOARD_ID_LEN); if (be16_to_cpup(vsd + VSD_OFFSET_SIG1) == VSD_SIGNATURE_TOPSPIN && be16_to_cpup(vsd + VSD_OFFSET_SIG2) == VSD_SIGNATURE_TOPSPIN) { strlcpy(board_id, vsd + VSD_OFFSET_TS_BOARD_ID, MTHCA_BOARD_ID_LEN); } else { /* * The board ID is a string but the firmware byte * swaps each 4-byte word before passing it back to * us. Therefore we need to swab it before printing. */ for (i = 0; i < 4; ++i) ((u32 *) board_id)[i] = swab32(*(u32 *) (vsd + VSD_OFFSET_MLX_BOARD_ID + i * 4)); } } int mthca_QUERY_ADAPTER(struct mthca_dev *dev, struct mthca_adapter *adapter) { struct mthca_mailbox *mailbox; u32 *outbox; int err; #define QUERY_ADAPTER_OUT_SIZE 0x100 #define QUERY_ADAPTER_VENDOR_ID_OFFSET 0x00 #define QUERY_ADAPTER_DEVICE_ID_OFFSET 0x04 #define QUERY_ADAPTER_REVISION_ID_OFFSET 0x08 #define QUERY_ADAPTER_INTA_PIN_OFFSET 0x10 #define QUERY_ADAPTER_VSD_OFFSET 0x20 mailbox = mthca_alloc_mailbox(dev, GFP_KERNEL); if (IS_ERR(mailbox)) return PTR_ERR(mailbox); outbox = mailbox->buf; err = mthca_cmd_box(dev, 0, mailbox->dma, 0, 0, CMD_QUERY_ADAPTER, CMD_TIME_CLASS_A); if (err) goto out; if (!mthca_is_memfree(dev)) { MTHCA_GET(adapter->vendor_id, outbox, QUERY_ADAPTER_VENDOR_ID_OFFSET); MTHCA_GET(adapter->device_id, outbox, QUERY_ADAPTER_DEVICE_ID_OFFSET); MTHCA_GET(adapter->revision_id, outbox, QUERY_ADAPTER_REVISION_ID_OFFSET); } MTHCA_GET(adapter->inta_pin, outbox, QUERY_ADAPTER_INTA_PIN_OFFSET); get_board_id(outbox + QUERY_ADAPTER_VSD_OFFSET / 4, adapter->board_id); out: mthca_free_mailbox(dev, mailbox); return err; } int mthca_INIT_HCA(struct mthca_dev *dev, struct mthca_init_hca_param *param) { struct mthca_mailbox *mailbox; __be32 *inbox; int err; #define INIT_HCA_IN_SIZE 0x200 #define INIT_HCA_FLAGS1_OFFSET 0x00c #define INIT_HCA_FLAGS2_OFFSET 0x014 #define INIT_HCA_QPC_OFFSET 0x020 #define INIT_HCA_QPC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x10) #define INIT_HCA_LOG_QP_OFFSET (INIT_HCA_QPC_OFFSET + 0x17) #define INIT_HCA_EEC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x20) #define INIT_HCA_LOG_EEC_OFFSET (INIT_HCA_QPC_OFFSET + 0x27) #define INIT_HCA_SRQC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x28) #define INIT_HCA_LOG_SRQ_OFFSET (INIT_HCA_QPC_OFFSET + 0x2f) #define INIT_HCA_CQC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x30) #define INIT_HCA_LOG_CQ_OFFSET (INIT_HCA_QPC_OFFSET + 0x37) #define INIT_HCA_EQPC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x40) #define INIT_HCA_EEEC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x50) #define INIT_HCA_EQC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x60) #define INIT_HCA_LOG_EQ_OFFSET (INIT_HCA_QPC_OFFSET + 0x67) #define INIT_HCA_RDB_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x70) #define INIT_HCA_UDAV_OFFSET 0x0b0 #define INIT_HCA_UDAV_LKEY_OFFSET (INIT_HCA_UDAV_OFFSET + 0x0) #define INIT_HCA_UDAV_PD_OFFSET (INIT_HCA_UDAV_OFFSET + 0x4) #define INIT_HCA_MCAST_OFFSET 0x0c0 #define INIT_HCA_MC_BASE_OFFSET (INIT_HCA_MCAST_OFFSET + 0x00) #define INIT_HCA_LOG_MC_ENTRY_SZ_OFFSET (INIT_HCA_MCAST_OFFSET + 0x12) #define INIT_HCA_MC_HASH_SZ_OFFSET (INIT_HCA_MCAST_OFFSET + 0x16) #define INIT_HCA_LOG_MC_TABLE_SZ_OFFSET (INIT_HCA_MCAST_OFFSET + 0x1b) #define INIT_HCA_TPT_OFFSET 0x0f0 #define INIT_HCA_MPT_BASE_OFFSET (INIT_HCA_TPT_OFFSET + 0x00) #define INIT_HCA_MTT_SEG_SZ_OFFSET (INIT_HCA_TPT_OFFSET + 0x09) #define INIT_HCA_LOG_MPT_SZ_OFFSET (INIT_HCA_TPT_OFFSET + 0x0b) #define INIT_HCA_MTT_BASE_OFFSET (INIT_HCA_TPT_OFFSET + 0x10) #define INIT_HCA_UAR_OFFSET 0x120 #define INIT_HCA_UAR_BASE_OFFSET (INIT_HCA_UAR_OFFSET + 0x00) #define INIT_HCA_UARC_SZ_OFFSET (INIT_HCA_UAR_OFFSET + 0x09) #define INIT_HCA_LOG_UAR_SZ_OFFSET (INIT_HCA_UAR_OFFSET + 0x0a) #define INIT_HCA_UAR_PAGE_SZ_OFFSET (INIT_HCA_UAR_OFFSET + 0x0b) #define INIT_HCA_UAR_SCATCH_BASE_OFFSET (INIT_HCA_UAR_OFFSET + 0x10) #define INIT_HCA_UAR_CTX_BASE_OFFSET (INIT_HCA_UAR_OFFSET + 0x18) mailbox = mthca_alloc_mailbox(dev, GFP_KERNEL); if (IS_ERR(mailbox)) return PTR_ERR(mailbox); inbox = mailbox->buf; memset(inbox, 0, INIT_HCA_IN_SIZE); if (dev->mthca_flags & MTHCA_FLAG_SINAI_OPT) MTHCA_PUT(inbox, 0x1, INIT_HCA_FLAGS1_OFFSET); #if defined(__LITTLE_ENDIAN) *(inbox + INIT_HCA_FLAGS2_OFFSET / 4) &= ~cpu_to_be32(1 << 1); #elif defined(__BIG_ENDIAN) *(inbox + INIT_HCA_FLAGS2_OFFSET / 4) |= cpu_to_be32(1 << 1); #else #error Host endianness not defined #endif /* Check port for UD address vector: */ *(inbox + INIT_HCA_FLAGS2_OFFSET / 4) |= cpu_to_be32(1); /* Enable IPoIB checksumming if we can: */ if (dev->device_cap_flags & IB_DEVICE_UD_IP_CSUM) *(inbox + INIT_HCA_FLAGS2_OFFSET / 4) |= cpu_to_be32(7 << 3); /* We leave wqe_quota, responder_exu, etc as 0 (default) */ /* QPC/EEC/CQC/EQC/RDB attributes */ MTHCA_PUT(inbox, param->qpc_base, INIT_HCA_QPC_BASE_OFFSET); MTHCA_PUT(inbox, param->log_num_qps, INIT_HCA_LOG_QP_OFFSET); MTHCA_PUT(inbox, param->eec_base, INIT_HCA_EEC_BASE_OFFSET); MTHCA_PUT(inbox, param->log_num_eecs, INIT_HCA_LOG_EEC_OFFSET); MTHCA_PUT(inbox, param->srqc_base, INIT_HCA_SRQC_BASE_OFFSET); MTHCA_PUT(inbox, param->log_num_srqs, INIT_HCA_LOG_SRQ_OFFSET); MTHCA_PUT(inbox, param->cqc_base, INIT_HCA_CQC_BASE_OFFSET); MTHCA_PUT(inbox, param->log_num_cqs, INIT_HCA_LOG_CQ_OFFSET); MTHCA_PUT(inbox, param->eqpc_base, INIT_HCA_EQPC_BASE_OFFSET); MTHCA_PUT(inbox, param->eeec_base, INIT_HCA_EEEC_BASE_OFFSET); MTHCA_PUT(inbox, param->eqc_base, INIT_HCA_EQC_BASE_OFFSET); MTHCA_PUT(inbox, param->log_num_eqs, INIT_HCA_LOG_EQ_OFFSET); MTHCA_PUT(inbox, param->rdb_base, INIT_HCA_RDB_BASE_OFFSET); /* UD AV attributes */ /* multicast attributes */ MTHCA_PUT(inbox, param->mc_base, INIT_HCA_MC_BASE_OFFSET); MTHCA_PUT(inbox, param->log_mc_entry_sz, INIT_HCA_LOG_MC_ENTRY_SZ_OFFSET); MTHCA_PUT(inbox, param->mc_hash_sz, INIT_HCA_MC_HASH_SZ_OFFSET); MTHCA_PUT(inbox, param->log_mc_table_sz, INIT_HCA_LOG_MC_TABLE_SZ_OFFSET); /* TPT attributes */ MTHCA_PUT(inbox, param->mpt_base, INIT_HCA_MPT_BASE_OFFSET); if (!mthca_is_memfree(dev)) MTHCA_PUT(inbox, param->mtt_seg_sz, INIT_HCA_MTT_SEG_SZ_OFFSET); MTHCA_PUT(inbox, param->log_mpt_sz, INIT_HCA_LOG_MPT_SZ_OFFSET); MTHCA_PUT(inbox, param->mtt_base, INIT_HCA_MTT_BASE_OFFSET); /* UAR attributes */ { u8 uar_page_sz = PAGE_SHIFT - 12; MTHCA_PUT(inbox, uar_page_sz, INIT_HCA_UAR_PAGE_SZ_OFFSET); } MTHCA_PUT(inbox, param->uar_scratch_base, INIT_HCA_UAR_SCATCH_BASE_OFFSET); if (mthca_is_memfree(dev)) { MTHCA_PUT(inbox, param->log_uarc_sz, INIT_HCA_UARC_SZ_OFFSET); MTHCA_PUT(inbox, param->log_uar_sz, INIT_HCA_LOG_UAR_SZ_OFFSET); MTHCA_PUT(inbox, param->uarc_base, INIT_HCA_UAR_CTX_BASE_OFFSET); } err = mthca_cmd(dev, mailbox->dma, 0, 0, CMD_INIT_HCA, CMD_TIME_CLASS_D); mthca_free_mailbox(dev, mailbox); return err; } int mthca_INIT_IB(struct mthca_dev *dev, struct mthca_init_ib_param *param, int port) { struct mthca_mailbox *mailbox; u32 *inbox; int err; u32 flags; #define INIT_IB_IN_SIZE 56 #define INIT_IB_FLAGS_OFFSET 0x00 #define INIT_IB_FLAG_SIG (1 << 18) #define INIT_IB_FLAG_NG (1 << 17) #define INIT_IB_FLAG_G0 (1 << 16) #define INIT_IB_VL_SHIFT 4 #define INIT_IB_PORT_WIDTH_SHIFT 8 #define INIT_IB_MTU_SHIFT 12 #define INIT_IB_MAX_GID_OFFSET 0x06 #define INIT_IB_MAX_PKEY_OFFSET 0x0a #define INIT_IB_GUID0_OFFSET 0x10 #define INIT_IB_NODE_GUID_OFFSET 0x18 #define INIT_IB_SI_GUID_OFFSET 0x20 mailbox = mthca_alloc_mailbox(dev, GFP_KERNEL); if (IS_ERR(mailbox)) return PTR_ERR(mailbox); inbox = mailbox->buf; memset(inbox, 0, INIT_IB_IN_SIZE); flags = 0; flags |= param->set_guid0 ? INIT_IB_FLAG_G0 : 0; flags |= param->set_node_guid ? INIT_IB_FLAG_NG : 0; flags |= param->set_si_guid ? INIT_IB_FLAG_SIG : 0; flags |= param->vl_cap << INIT_IB_VL_SHIFT; flags |= param->port_width << INIT_IB_PORT_WIDTH_SHIFT; flags |= param->mtu_cap << INIT_IB_MTU_SHIFT; MTHCA_PUT(inbox, flags, INIT_IB_FLAGS_OFFSET); MTHCA_PUT(inbox, param->gid_cap, INIT_IB_MAX_GID_OFFSET); MTHCA_PUT(inbox, param->pkey_cap, INIT_IB_MAX_PKEY_OFFSET); MTHCA_PUT(inbox, param->guid0, INIT_IB_GUID0_OFFSET); MTHCA_PUT(inbox, param->node_guid, INIT_IB_NODE_GUID_OFFSET); MTHCA_PUT(inbox, param->si_guid, INIT_IB_SI_GUID_OFFSET); err = mthca_cmd(dev, mailbox->dma, port, 0, CMD_INIT_IB, CMD_TIME_CLASS_A); mthca_free_mailbox(dev, mailbox); return err; } int mthca_CLOSE_IB(struct mthca_dev *dev, int port) { return mthca_cmd(dev, 0, port, 0, CMD_CLOSE_IB, CMD_TIME_CLASS_A); } int mthca_CLOSE_HCA(struct mthca_dev *dev, int panic) { return mthca_cmd(dev, 0, 0, panic, CMD_CLOSE_HCA, CMD_TIME_CLASS_C); } int mthca_SET_IB(struct mthca_dev *dev, struct mthca_set_ib_param *param, int port) { struct mthca_mailbox *mailbox; u32 *inbox; int err; u32 flags = 0; #define SET_IB_IN_SIZE 0x40 #define SET_IB_FLAGS_OFFSET 0x00 #define SET_IB_FLAG_SIG (1 << 18) #define SET_IB_FLAG_RQK (1 << 0) #define SET_IB_CAP_MASK_OFFSET 0x04 #define SET_IB_SI_GUID_OFFSET 0x08 mailbox = mthca_alloc_mailbox(dev, GFP_KERNEL); if (IS_ERR(mailbox)) return PTR_ERR(mailbox); inbox = mailbox->buf; memset(inbox, 0, SET_IB_IN_SIZE); flags |= param->set_si_guid ? SET_IB_FLAG_SIG : 0; flags |= param->reset_qkey_viol ? SET_IB_FLAG_RQK : 0; MTHCA_PUT(inbox, flags, SET_IB_FLAGS_OFFSET); MTHCA_PUT(inbox, param->cap_mask, SET_IB_CAP_MASK_OFFSET); MTHCA_PUT(inbox, param->si_guid, SET_IB_SI_GUID_OFFSET); err = mthca_cmd(dev, mailbox->dma, port, 0, CMD_SET_IB, CMD_TIME_CLASS_B); mthca_free_mailbox(dev, mailbox); return err; } int mthca_MAP_ICM(struct mthca_dev *dev, struct mthca_icm *icm, u64 virt) { return mthca_map_cmd(dev, CMD_MAP_ICM, icm, virt); } int mthca_MAP_ICM_page(struct mthca_dev *dev, u64 dma_addr, u64 virt) { struct mthca_mailbox *mailbox; __be64 *inbox; int err; mailbox = mthca_alloc_mailbox(dev, GFP_KERNEL); if (IS_ERR(mailbox)) return PTR_ERR(mailbox); inbox = mailbox->buf; inbox[0] = cpu_to_be64(virt); inbox[1] = cpu_to_be64(dma_addr); err = mthca_cmd(dev, mailbox->dma, 1, 0, CMD_MAP_ICM, CMD_TIME_CLASS_B); mthca_free_mailbox(dev, mailbox); if (!err) mthca_dbg(dev, "Mapped page at %llx to %llx for ICM.\n", (unsigned long long) dma_addr, (unsigned long long) virt); return err; } int mthca_UNMAP_ICM(struct mthca_dev *dev, u64 virt, u32 page_count) { mthca_dbg(dev, "Unmapping %d pages at %llx from ICM.\n", page_count, (unsigned long long) virt); return mthca_cmd(dev, virt, page_count, 0, CMD_UNMAP_ICM, CMD_TIME_CLASS_B); } int mthca_MAP_ICM_AUX(struct mthca_dev *dev, struct mthca_icm *icm) { return mthca_map_cmd(dev, CMD_MAP_ICM_AUX, icm, -1); } int mthca_UNMAP_ICM_AUX(struct mthca_dev *dev) { return mthca_cmd(dev, 0, 0, 0, CMD_UNMAP_ICM_AUX, CMD_TIME_CLASS_B); } int mthca_SET_ICM_SIZE(struct mthca_dev *dev, u64 icm_size, u64 *aux_pages) { int ret = mthca_cmd_imm(dev, icm_size, aux_pages, 0, 0, CMD_SET_ICM_SIZE, CMD_TIME_CLASS_A); if (ret) return ret; /* * Round up number of system pages needed in case * MTHCA_ICM_PAGE_SIZE < PAGE_SIZE. */ *aux_pages = ALIGN(*aux_pages, PAGE_SIZE / MTHCA_ICM_PAGE_SIZE) >> (PAGE_SHIFT - MTHCA_ICM_PAGE_SHIFT); return 0; } int mthca_SW2HW_MPT(struct mthca_dev *dev, struct mthca_mailbox *mailbox, int mpt_index) { return mthca_cmd(dev, mailbox->dma, mpt_index, 0, CMD_SW2HW_MPT, CMD_TIME_CLASS_B); } int mthca_HW2SW_MPT(struct mthca_dev *dev, struct mthca_mailbox *mailbox, int mpt_index) { return mthca_cmd_box(dev, 0, mailbox ? mailbox->dma : 0, mpt_index, !mailbox, CMD_HW2SW_MPT, CMD_TIME_CLASS_B); } int mthca_WRITE_MTT(struct mthca_dev *dev, struct mthca_mailbox *mailbox, int num_mtt) { return mthca_cmd(dev, mailbox->dma, num_mtt, 0, CMD_WRITE_MTT, CMD_TIME_CLASS_B); } int mthca_SYNC_TPT(struct mthca_dev *dev) { return mthca_cmd(dev, 0, 0, 0, CMD_SYNC_TPT, CMD_TIME_CLASS_B); } int mthca_MAP_EQ(struct mthca_dev *dev, u64 event_mask, int unmap, int eq_num) { mthca_dbg(dev, "%s mask %016llx for eqn %d\n", unmap ? "Clearing" : "Setting", (unsigned long long) event_mask, eq_num); return mthca_cmd(dev, event_mask, (unmap << 31) | eq_num, 0, CMD_MAP_EQ, CMD_TIME_CLASS_B); } int mthca_SW2HW_EQ(struct mthca_dev *dev, struct mthca_mailbox *mailbox, int eq_num) { return mthca_cmd(dev, mailbox->dma, eq_num, 0, CMD_SW2HW_EQ, CMD_TIME_CLASS_A); } int mthca_HW2SW_EQ(struct mthca_dev *dev, struct mthca_mailbox *mailbox, int eq_num) { return mthca_cmd_box(dev, 0, mailbox->dma, eq_num, 0, CMD_HW2SW_EQ, CMD_TIME_CLASS_A); } int mthca_SW2HW_CQ(struct mthca_dev *dev, struct mthca_mailbox *mailbox, int cq_num) { return mthca_cmd(dev, mailbox->dma, cq_num, 0, CMD_SW2HW_CQ, CMD_TIME_CLASS_A); } int mthca_HW2SW_CQ(struct mthca_dev *dev, struct mthca_mailbox *mailbox, int cq_num) { return mthca_cmd_box(dev, 0, mailbox->dma, cq_num, 0, CMD_HW2SW_CQ, CMD_TIME_CLASS_A); } int mthca_RESIZE_CQ(struct mthca_dev *dev, int cq_num, u32 lkey, u8 log_size) { struct mthca_mailbox *mailbox; __be32 *inbox; int err; #define RESIZE_CQ_IN_SIZE 0x40 #define RESIZE_CQ_LOG_SIZE_OFFSET 0x0c #define RESIZE_CQ_LKEY_OFFSET 0x1c mailbox = mthca_alloc_mailbox(dev, GFP_KERNEL); if (IS_ERR(mailbox)) return PTR_ERR(mailbox); inbox = mailbox->buf; memset(inbox, 0, RESIZE_CQ_IN_SIZE); /* * Leave start address fields zeroed out -- mthca assumes that * MRs for CQs always start at virtual address 0. */ MTHCA_PUT(inbox, log_size, RESIZE_CQ_LOG_SIZE_OFFSET); MTHCA_PUT(inbox, lkey, RESIZE_CQ_LKEY_OFFSET); err = mthca_cmd(dev, mailbox->dma, cq_num, 1, CMD_RESIZE_CQ, CMD_TIME_CLASS_B); mthca_free_mailbox(dev, mailbox); return err; } int mthca_SW2HW_SRQ(struct mthca_dev *dev, struct mthca_mailbox *mailbox, int srq_num) { return mthca_cmd(dev, mailbox->dma, srq_num, 0, CMD_SW2HW_SRQ, CMD_TIME_CLASS_A); } int mthca_HW2SW_SRQ(struct mthca_dev *dev, struct mthca_mailbox *mailbox, int srq_num) { return mthca_cmd_box(dev, 0, mailbox->dma, srq_num, 0, CMD_HW2SW_SRQ, CMD_TIME_CLASS_A); } int mthca_QUERY_SRQ(struct mthca_dev *dev, u32 num, struct mthca_mailbox *mailbox) { return mthca_cmd_box(dev, 0, mailbox->dma, num, 0, CMD_QUERY_SRQ, CMD_TIME_CLASS_A); } int mthca_ARM_SRQ(struct mthca_dev *dev, int srq_num, int limit) { return mthca_cmd(dev, limit, srq_num, 0, CMD_ARM_SRQ, CMD_TIME_CLASS_B); } int mthca_MODIFY_QP(struct mthca_dev *dev, enum ib_qp_state cur, enum ib_qp_state next, u32 num, int is_ee, struct mthca_mailbox *mailbox, u32 optmask) { static const u16 op[IB_QPS_ERR + 1][IB_QPS_ERR + 1] = { [IB_QPS_RESET] = { [IB_QPS_RESET] = CMD_ERR2RST_QPEE, [IB_QPS_ERR] = CMD_2ERR_QPEE, [IB_QPS_INIT] = CMD_RST2INIT_QPEE, }, [IB_QPS_INIT] = { [IB_QPS_RESET] = CMD_ERR2RST_QPEE, [IB_QPS_ERR] = CMD_2ERR_QPEE, [IB_QPS_INIT] = CMD_INIT2INIT_QPEE, [IB_QPS_RTR] = CMD_INIT2RTR_QPEE, }, [IB_QPS_RTR] = { [IB_QPS_RESET] = CMD_ERR2RST_QPEE, [IB_QPS_ERR] = CMD_2ERR_QPEE, [IB_QPS_RTS] = CMD_RTR2RTS_QPEE, }, [IB_QPS_RTS] = { [IB_QPS_RESET] = CMD_ERR2RST_QPEE, [IB_QPS_ERR] = CMD_2ERR_QPEE, [IB_QPS_RTS] = CMD_RTS2RTS_QPEE, [IB_QPS_SQD] = CMD_RTS2SQD_QPEE, }, [IB_QPS_SQD] = { [IB_QPS_RESET] = CMD_ERR2RST_QPEE, [IB_QPS_ERR] = CMD_2ERR_QPEE, [IB_QPS_RTS] = CMD_SQD2RTS_QPEE, [IB_QPS_SQD] = CMD_SQD2SQD_QPEE, }, [IB_QPS_SQE] = { [IB_QPS_RESET] = CMD_ERR2RST_QPEE, [IB_QPS_ERR] = CMD_2ERR_QPEE, [IB_QPS_RTS] = CMD_SQERR2RTS_QPEE, }, [IB_QPS_ERR] = { [IB_QPS_RESET] = CMD_ERR2RST_QPEE, [IB_QPS_ERR] = CMD_2ERR_QPEE, } }; u8 op_mod = 0; int my_mailbox = 0; int err; if (op[cur][next] == CMD_ERR2RST_QPEE) { op_mod = 3; /* don't write outbox, any->reset */ /* For debugging */ if (!mailbox) { mailbox = mthca_alloc_mailbox(dev, GFP_KERNEL); if (!IS_ERR(mailbox)) { my_mailbox = 1; op_mod = 2; /* write outbox, any->reset */ } else mailbox = NULL; } err = mthca_cmd_box(dev, 0, mailbox ? mailbox->dma : 0, (!!is_ee << 24) | num, op_mod, op[cur][next], CMD_TIME_CLASS_C); if (0 && mailbox) { int i; mthca_dbg(dev, "Dumping QP context:\n"); printk(" %08x\n", be32_to_cpup(mailbox->buf)); for (i = 0; i < 0x100 / 4; ++i) { if (i % 8 == 0) printk("[%02x] ", i * 4); printk(" %08x", be32_to_cpu(((__be32 *) mailbox->buf)[i + 2])); if ((i + 1) % 8 == 0) printk("\n"); } } if (my_mailbox) mthca_free_mailbox(dev, mailbox); } else { if (0) { int i; mthca_dbg(dev, "Dumping QP context:\n"); printk(" opt param mask: %08x\n", be32_to_cpup(mailbox->buf)); for (i = 0; i < 0x100 / 4; ++i) { if (i % 8 == 0) printk(" [%02x] ", i * 4); printk(" %08x", be32_to_cpu(((__be32 *) mailbox->buf)[i + 2])); if ((i + 1) % 8 == 0) printk("\n"); } } err = mthca_cmd(dev, mailbox->dma, optmask | (!!is_ee << 24) | num, op_mod, op[cur][next], CMD_TIME_CLASS_C); } return err; } int mthca_QUERY_QP(struct mthca_dev *dev, u32 num, int is_ee, struct mthca_mailbox *mailbox) { return mthca_cmd_box(dev, 0, mailbox->dma, (!!is_ee << 24) | num, 0, CMD_QUERY_QPEE, CMD_TIME_CLASS_A); } int mthca_CONF_SPECIAL_QP(struct mthca_dev *dev, int type, u32 qpn) { u8 op_mod; switch (type) { case IB_QPT_SMI: op_mod = 0; break; case IB_QPT_GSI: op_mod = 1; break; case IB_QPT_RAW_IPV6: op_mod = 2; break; case IB_QPT_RAW_ETHERTYPE: op_mod = 3; break; default: return -EINVAL; } return mthca_cmd(dev, 0, qpn, op_mod, CMD_CONF_SPECIAL_QP, CMD_TIME_CLASS_B); } int mthca_MAD_IFC(struct mthca_dev *dev, int ignore_mkey, int ignore_bkey, int port, const struct ib_wc *in_wc, const struct ib_grh *in_grh, const void *in_mad, void *response_mad) { struct mthca_mailbox *inmailbox, *outmailbox; void *inbox; int err; u32 in_modifier = port; u8 op_modifier = 0; #define MAD_IFC_BOX_SIZE 0x400 #define MAD_IFC_MY_QPN_OFFSET 0x100 #define MAD_IFC_RQPN_OFFSET 0x108 #define MAD_IFC_SL_OFFSET 0x10c #define MAD_IFC_G_PATH_OFFSET 0x10d #define MAD_IFC_RLID_OFFSET 0x10e #define MAD_IFC_PKEY_OFFSET 0x112 #define MAD_IFC_GRH_OFFSET 0x140 inmailbox = mthca_alloc_mailbox(dev, GFP_KERNEL); if (IS_ERR(inmailbox)) return PTR_ERR(inmailbox); inbox = inmailbox->buf; outmailbox = mthca_alloc_mailbox(dev, GFP_KERNEL); if (IS_ERR(outmailbox)) { mthca_free_mailbox(dev, inmailbox); return PTR_ERR(outmailbox); } memcpy(inbox, in_mad, 256); /* * Key check traps can't be generated unless we have in_wc to * tell us where to send the trap. */ if (ignore_mkey || !in_wc) op_modifier |= 0x1; if (ignore_bkey || !in_wc) op_modifier |= 0x2; if (in_wc) { u8 val; memset(inbox + 256, 0, 256); MTHCA_PUT(inbox, in_wc->qp->qp_num, MAD_IFC_MY_QPN_OFFSET); MTHCA_PUT(inbox, in_wc->src_qp, MAD_IFC_RQPN_OFFSET); val = in_wc->sl << 4; MTHCA_PUT(inbox, val, MAD_IFC_SL_OFFSET); val = in_wc->dlid_path_bits | (in_wc->wc_flags & IB_WC_GRH ? 0x80 : 0); MTHCA_PUT(inbox, val, MAD_IFC_G_PATH_OFFSET); MTHCA_PUT(inbox, ib_lid_cpu16(in_wc->slid), MAD_IFC_RLID_OFFSET); MTHCA_PUT(inbox, in_wc->pkey_index, MAD_IFC_PKEY_OFFSET); if (in_grh) memcpy(inbox + MAD_IFC_GRH_OFFSET, in_grh, 40); op_modifier |= 0x4; in_modifier |= ib_lid_cpu16(in_wc->slid) << 16; } err = mthca_cmd_box(dev, inmailbox->dma, outmailbox->dma, in_modifier, op_modifier, CMD_MAD_IFC, CMD_TIME_CLASS_C); if (!err) memcpy(response_mad, outmailbox->buf, 256); mthca_free_mailbox(dev, inmailbox); mthca_free_mailbox(dev, outmailbox); return err; } int mthca_READ_MGM(struct mthca_dev *dev, int index, struct mthca_mailbox *mailbox) { return mthca_cmd_box(dev, 0, mailbox->dma, index, 0, CMD_READ_MGM, CMD_TIME_CLASS_A); } int mthca_WRITE_MGM(struct mthca_dev *dev, int index, struct mthca_mailbox *mailbox) { return mthca_cmd(dev, mailbox->dma, index, 0, CMD_WRITE_MGM, CMD_TIME_CLASS_A); } int mthca_MGID_HASH(struct mthca_dev *dev, struct mthca_mailbox *mailbox, u16 *hash) { u64 imm; int err; err = mthca_cmd_imm(dev, mailbox->dma, &imm, 0, 0, CMD_MGID_HASH, CMD_TIME_CLASS_A); *hash = imm; return err; } int mthca_NOP(struct mthca_dev *dev) { return mthca_cmd(dev, 0, 0x1f, 0, CMD_NOP, msecs_to_jiffies(100)); }
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