diff options
author | Ingo Molnar <mingo@elte.hu> | 2008-07-21 17:19:50 +0200 |
---|---|---|
committer | Ingo Molnar <mingo@elte.hu> | 2008-07-21 17:19:50 +0200 |
commit | eb6a12c2428d21a9f3e0f1a50e927d5fd80fc3d0 (patch) | |
tree | 5ac6f43899648abeab1d43aad3107f664e7f13d5 /drivers/atm/he.c | |
parent | c4762aba0b1f72659aae9ce37b772ca8bd8f06f4 (diff) | |
parent | 14b395e35d1afdd8019d11b92e28041fad591b71 (diff) |
Merge branch 'linus' into cpus4096-for-linus
Conflicts:
net/sunrpc/svc.c
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers/atm/he.c')
-rw-r--r-- | drivers/atm/he.c | 152 |
1 files changed, 0 insertions, 152 deletions
diff --git a/drivers/atm/he.c b/drivers/atm/he.c index ea495b21f91..bdbad7edf68 100644 --- a/drivers/atm/he.c +++ b/drivers/atm/he.c @@ -75,14 +75,8 @@ #include <linux/atm.h> #include <linux/sonet.h> -#define USE_TASKLET #undef USE_SCATTERGATHER #undef USE_CHECKSUM_HW /* still confused about this */ -#define USE_RBPS -#undef USE_RBPS_POOL /* if memory is tight try this */ -#undef USE_RBPL_POOL /* if memory is tight try this */ -#define USE_TPD_POOL -/* #undef CONFIG_ATM_HE_USE_SUNI */ /* #undef HE_DEBUG */ #include "he.h" @@ -388,9 +382,7 @@ he_init_one(struct pci_dev *pci_dev, const struct pci_device_id *pci_ent) he_dev->atm_dev->dev_data = he_dev; atm_dev->dev_data = he_dev; he_dev->number = atm_dev->number; -#ifdef USE_TASKLET tasklet_init(&he_dev->tasklet, he_tasklet, (unsigned long) he_dev); -#endif spin_lock_init(&he_dev->global_lock); if (he_start(atm_dev)) { @@ -787,23 +779,13 @@ he_init_group(struct he_dev *he_dev, int group) { int i; -#ifdef USE_RBPS /* small buffer pool */ -#ifdef USE_RBPS_POOL he_dev->rbps_pool = pci_pool_create("rbps", he_dev->pci_dev, CONFIG_RBPS_BUFSIZE, 8, 0); if (he_dev->rbps_pool == NULL) { hprintk("unable to create rbps pages\n"); return -ENOMEM; } -#else /* !USE_RBPS_POOL */ - he_dev->rbps_pages = pci_alloc_consistent(he_dev->pci_dev, - CONFIG_RBPS_SIZE * CONFIG_RBPS_BUFSIZE, &he_dev->rbps_pages_phys); - if (he_dev->rbps_pages == NULL) { - hprintk("unable to create rbps page pool\n"); - return -ENOMEM; - } -#endif /* USE_RBPS_POOL */ he_dev->rbps_base = pci_alloc_consistent(he_dev->pci_dev, CONFIG_RBPS_SIZE * sizeof(struct he_rbp), &he_dev->rbps_phys); @@ -818,14 +800,9 @@ he_init_group(struct he_dev *he_dev, int group) dma_addr_t dma_handle; void *cpuaddr; -#ifdef USE_RBPS_POOL cpuaddr = pci_pool_alloc(he_dev->rbps_pool, GFP_KERNEL|GFP_DMA, &dma_handle); if (cpuaddr == NULL) return -ENOMEM; -#else - cpuaddr = he_dev->rbps_pages + (i * CONFIG_RBPS_BUFSIZE); - dma_handle = he_dev->rbps_pages_phys + (i * CONFIG_RBPS_BUFSIZE); -#endif he_dev->rbps_virt[i].virt = cpuaddr; he_dev->rbps_base[i].status = RBP_LOANED | RBP_SMALLBUF | (i << RBP_INDEX_OFF); @@ -844,30 +821,14 @@ he_init_group(struct he_dev *he_dev, int group) RBP_QSIZE(CONFIG_RBPS_SIZE - 1) | RBP_INT_ENB, G0_RBPS_QI + (group * 32)); -#else /* !USE_RBPS */ - he_writel(he_dev, 0x0, G0_RBPS_S + (group * 32)); - he_writel(he_dev, 0x0, G0_RBPS_T + (group * 32)); - he_writel(he_dev, 0x0, G0_RBPS_QI + (group * 32)); - he_writel(he_dev, RBP_THRESH(0x1) | RBP_QSIZE(0x0), - G0_RBPS_BS + (group * 32)); -#endif /* USE_RBPS */ /* large buffer pool */ -#ifdef USE_RBPL_POOL he_dev->rbpl_pool = pci_pool_create("rbpl", he_dev->pci_dev, CONFIG_RBPL_BUFSIZE, 8, 0); if (he_dev->rbpl_pool == NULL) { hprintk("unable to create rbpl pool\n"); return -ENOMEM; } -#else /* !USE_RBPL_POOL */ - he_dev->rbpl_pages = (void *) pci_alloc_consistent(he_dev->pci_dev, - CONFIG_RBPL_SIZE * CONFIG_RBPL_BUFSIZE, &he_dev->rbpl_pages_phys); - if (he_dev->rbpl_pages == NULL) { - hprintk("unable to create rbpl pages\n"); - return -ENOMEM; - } -#endif /* USE_RBPL_POOL */ he_dev->rbpl_base = pci_alloc_consistent(he_dev->pci_dev, CONFIG_RBPL_SIZE * sizeof(struct he_rbp), &he_dev->rbpl_phys); @@ -882,14 +843,9 @@ he_init_group(struct he_dev *he_dev, int group) dma_addr_t dma_handle; void *cpuaddr; -#ifdef USE_RBPL_POOL cpuaddr = pci_pool_alloc(he_dev->rbpl_pool, GFP_KERNEL|GFP_DMA, &dma_handle); if (cpuaddr == NULL) return -ENOMEM; -#else - cpuaddr = he_dev->rbpl_pages + (i * CONFIG_RBPL_BUFSIZE); - dma_handle = he_dev->rbpl_pages_phys + (i * CONFIG_RBPL_BUFSIZE); -#endif he_dev->rbpl_virt[i].virt = cpuaddr; he_dev->rbpl_base[i].status = RBP_LOANED | (i << RBP_INDEX_OFF); @@ -1475,7 +1431,6 @@ he_start(struct atm_dev *dev) he_init_tpdrq(he_dev); -#ifdef USE_TPD_POOL he_dev->tpd_pool = pci_pool_create("tpd", he_dev->pci_dev, sizeof(struct he_tpd), TPD_ALIGNMENT, 0); if (he_dev->tpd_pool == NULL) { @@ -1484,20 +1439,6 @@ he_start(struct atm_dev *dev) } INIT_LIST_HEAD(&he_dev->outstanding_tpds); -#else - he_dev->tpd_base = (void *) pci_alloc_consistent(he_dev->pci_dev, - CONFIG_NUMTPDS * sizeof(struct he_tpd), &he_dev->tpd_base_phys); - if (!he_dev->tpd_base) - return -ENOMEM; - - for (i = 0; i < CONFIG_NUMTPDS; ++i) { - he_dev->tpd_base[i].status = (i << TPD_ADDR_SHIFT); - he_dev->tpd_base[i].inuse = 0; - } - - he_dev->tpd_head = he_dev->tpd_base; - he_dev->tpd_end = &he_dev->tpd_base[CONFIG_NUMTPDS - 1]; -#endif if (he_init_group(he_dev, 0) != 0) return -ENOMEM; @@ -1606,9 +1547,7 @@ he_stop(struct he_dev *he_dev) gen_cntl_0 &= ~(INT_PROC_ENBL | INIT_ENB); pci_write_config_dword(pci_dev, GEN_CNTL_0, gen_cntl_0); -#ifdef USE_TASKLET tasklet_disable(&he_dev->tasklet); -#endif /* disable recv and transmit */ @@ -1638,7 +1577,6 @@ he_stop(struct he_dev *he_dev) he_dev->hsp, he_dev->hsp_phys); if (he_dev->rbpl_base) { -#ifdef USE_RBPL_POOL int i; for (i = 0; i < CONFIG_RBPL_SIZE; ++i) { @@ -1647,22 +1585,14 @@ he_stop(struct he_dev *he_dev) pci_pool_free(he_dev->rbpl_pool, cpuaddr, dma_handle); } -#else - pci_free_consistent(he_dev->pci_dev, CONFIG_RBPL_SIZE - * CONFIG_RBPL_BUFSIZE, he_dev->rbpl_pages, he_dev->rbpl_pages_phys); -#endif pci_free_consistent(he_dev->pci_dev, CONFIG_RBPL_SIZE * sizeof(struct he_rbp), he_dev->rbpl_base, he_dev->rbpl_phys); } -#ifdef USE_RBPL_POOL if (he_dev->rbpl_pool) pci_pool_destroy(he_dev->rbpl_pool); -#endif -#ifdef USE_RBPS if (he_dev->rbps_base) { -#ifdef USE_RBPS_POOL int i; for (i = 0; i < CONFIG_RBPS_SIZE; ++i) { @@ -1671,20 +1601,12 @@ he_stop(struct he_dev *he_dev) pci_pool_free(he_dev->rbps_pool, cpuaddr, dma_handle); } -#else - pci_free_consistent(he_dev->pci_dev, CONFIG_RBPS_SIZE - * CONFIG_RBPS_BUFSIZE, he_dev->rbps_pages, he_dev->rbps_pages_phys); -#endif pci_free_consistent(he_dev->pci_dev, CONFIG_RBPS_SIZE * sizeof(struct he_rbp), he_dev->rbps_base, he_dev->rbps_phys); } -#ifdef USE_RBPS_POOL if (he_dev->rbps_pool) pci_pool_destroy(he_dev->rbps_pool); -#endif - -#endif /* USE_RBPS */ if (he_dev->rbrq_base) pci_free_consistent(he_dev->pci_dev, CONFIG_RBRQ_SIZE * sizeof(struct he_rbrq), @@ -1698,14 +1620,8 @@ he_stop(struct he_dev *he_dev) pci_free_consistent(he_dev->pci_dev, CONFIG_TBRQ_SIZE * sizeof(struct he_tbrq), he_dev->tpdrq_base, he_dev->tpdrq_phys); -#ifdef USE_TPD_POOL if (he_dev->tpd_pool) pci_pool_destroy(he_dev->tpd_pool); -#else - if (he_dev->tpd_base) - pci_free_consistent(he_dev->pci_dev, CONFIG_NUMTPDS * sizeof(struct he_tpd), - he_dev->tpd_base, he_dev->tpd_base_phys); -#endif if (he_dev->pci_dev) { pci_read_config_word(he_dev->pci_dev, PCI_COMMAND, &command); @@ -1720,7 +1636,6 @@ he_stop(struct he_dev *he_dev) static struct he_tpd * __alloc_tpd(struct he_dev *he_dev) { -#ifdef USE_TPD_POOL struct he_tpd *tpd; dma_addr_t dma_handle; @@ -1735,27 +1650,6 @@ __alloc_tpd(struct he_dev *he_dev) tpd->iovec[2].addr = 0; tpd->iovec[2].len = 0; return tpd; -#else - int i; - - for (i = 0; i < CONFIG_NUMTPDS; ++i) { - ++he_dev->tpd_head; - if (he_dev->tpd_head > he_dev->tpd_end) { - he_dev->tpd_head = he_dev->tpd_base; - } - - if (!he_dev->tpd_head->inuse) { - he_dev->tpd_head->inuse = 1; - he_dev->tpd_head->status &= TPD_MASK; - he_dev->tpd_head->iovec[0].addr = 0; he_dev->tpd_head->iovec[0].len = 0; - he_dev->tpd_head->iovec[1].addr = 0; he_dev->tpd_head->iovec[1].len = 0; - he_dev->tpd_head->iovec[2].addr = 0; he_dev->tpd_head->iovec[2].len = 0; - return he_dev->tpd_head; - } - } - hprintk("out of tpds -- increase CONFIG_NUMTPDS (%d)\n", CONFIG_NUMTPDS); - return NULL; -#endif } #define AAL5_LEN(buf,len) \ @@ -1804,11 +1698,9 @@ he_service_rbrq(struct he_dev *he_dev, int group) RBRQ_CON_CLOSED(he_dev->rbrq_head) ? " CON_CLOSED" : "", RBRQ_HBUF_ERR(he_dev->rbrq_head) ? " HBUF_ERR" : ""); -#ifdef USE_RBPS if (RBRQ_ADDR(he_dev->rbrq_head) & RBP_SMALLBUF) rbp = &he_dev->rbps_base[RBP_INDEX(RBRQ_ADDR(he_dev->rbrq_head))]; else -#endif rbp = &he_dev->rbpl_base[RBP_INDEX(RBRQ_ADDR(he_dev->rbrq_head))]; buf_len = RBRQ_BUFLEN(he_dev->rbrq_head) * 4; @@ -1887,12 +1779,10 @@ he_service_rbrq(struct he_dev *he_dev, int group) for (iov = he_vcc->iov_head; iov < he_vcc->iov_tail; ++iov) { -#ifdef USE_RBPS if (iov->iov_base & RBP_SMALLBUF) memcpy(skb_put(skb, iov->iov_len), he_dev->rbps_virt[RBP_INDEX(iov->iov_base)].virt, iov->iov_len); else -#endif memcpy(skb_put(skb, iov->iov_len), he_dev->rbpl_virt[RBP_INDEX(iov->iov_base)].virt, iov->iov_len); } @@ -1937,11 +1827,9 @@ return_host_buffers: for (iov = he_vcc->iov_head; iov < he_vcc->iov_tail; ++iov) { -#ifdef USE_RBPS if (iov->iov_base & RBP_SMALLBUF) rbp = &he_dev->rbps_base[RBP_INDEX(iov->iov_base)]; else -#endif rbp = &he_dev->rbpl_base[RBP_INDEX(iov->iov_base)]; rbp->status &= ~RBP_LOANED; @@ -1977,9 +1865,7 @@ he_service_tbrq(struct he_dev *he_dev, int group) he_dev->hsp->group[group].tbrq_tail); struct he_tpd *tpd; int slot, updated = 0; -#ifdef USE_TPD_POOL struct he_tpd *__tpd; -#endif /* 2.1.6 transmit buffer return queue */ @@ -1991,7 +1877,6 @@ he_service_tbrq(struct he_dev *he_dev, int group) TBRQ_TPD(he_dev->tbrq_head), TBRQ_EOS(he_dev->tbrq_head) ? " EOS" : "", TBRQ_MULTIPLE(he_dev->tbrq_head) ? " MULTIPLE" : ""); -#ifdef USE_TPD_POOL tpd = NULL; list_for_each_entry(__tpd, &he_dev->outstanding_tpds, entry) { if (TPD_ADDR(__tpd->status) == TBRQ_TPD(he_dev->tbrq_head)) { @@ -2006,9 +1891,6 @@ he_service_tbrq(struct he_dev *he_dev, int group) TBRQ_TPD(he_dev->tbrq_head)); goto next_tbrq_entry; } -#else - tpd = &he_dev->tpd_base[ TPD_INDEX(TBRQ_TPD(he_dev->tbrq_head)) ]; -#endif if (TBRQ_EOS(he_dev->tbrq_head)) { HPRINTK("wake_up(tx_waitq) cid 0x%x\n", @@ -2038,12 +1920,8 @@ he_service_tbrq(struct he_dev *he_dev, int group) } next_tbrq_entry: -#ifdef USE_TPD_POOL if (tpd) pci_pool_free(he_dev->tpd_pool, tpd, TPD_ADDR(tpd->status)); -#else - tpd->inuse = 0; -#endif he_dev->tbrq_head = (struct he_tbrq *) ((unsigned long) he_dev->tbrq_base | TBRQ_MASK(++he_dev->tbrq_head)); @@ -2086,7 +1964,6 @@ he_service_rbpl(struct he_dev *he_dev, int group) he_writel(he_dev, RBPL_MASK(he_dev->rbpl_tail), G0_RBPL_T); } -#ifdef USE_RBPS static void he_service_rbps(struct he_dev *he_dev, int group) { @@ -2113,7 +1990,6 @@ he_service_rbps(struct he_dev *he_dev, int group) if (moved) he_writel(he_dev, RBPS_MASK(he_dev->rbps_tail), G0_RBPS_T); } -#endif /* USE_RBPS */ static void he_tasklet(unsigned long data) @@ -2124,9 +2000,7 @@ he_tasklet(unsigned long data) int updated = 0; HPRINTK("tasklet (0x%lx)\n", data); -#ifdef USE_TASKLET spin_lock_irqsave(&he_dev->global_lock, flags); -#endif while (he_dev->irq_head != he_dev->irq_tail) { ++updated; @@ -2141,9 +2015,7 @@ he_tasklet(unsigned long data) case ITYPE_RBRQ_TIMER: if (he_service_rbrq(he_dev, group)) { he_service_rbpl(he_dev, group); -#ifdef USE_RBPS he_service_rbps(he_dev, group); -#endif /* USE_RBPS */ } break; case ITYPE_TBRQ_THRESH: @@ -2156,9 +2028,7 @@ he_tasklet(unsigned long data) he_service_rbpl(he_dev, group); break; case ITYPE_RBPS_THRESH: -#ifdef USE_RBPS he_service_rbps(he_dev, group); -#endif /* USE_RBPS */ break; case ITYPE_PHY: HPRINTK("phy interrupt\n"); @@ -2186,9 +2056,7 @@ he_tasklet(unsigned long data) he_service_rbrq(he_dev, 0); he_service_rbpl(he_dev, 0); -#ifdef USE_RBPS he_service_rbps(he_dev, 0); -#endif /* USE_RBPS */ he_service_tbrq(he_dev, 0); break; default: @@ -2210,9 +2078,7 @@ he_tasklet(unsigned long data) IRQ_TAIL(he_dev->irq_tail), IRQ0_HEAD); (void) he_readl(he_dev, INT_FIFO); /* 8.1.2 controller errata; flush posted writes */ } -#ifdef USE_TASKLET spin_unlock_irqrestore(&he_dev->global_lock, flags); -#endif } static irqreturn_t @@ -2244,11 +2110,7 @@ he_irq_handler(int irq, void *dev_id) if (he_dev->irq_head != he_dev->irq_tail) { handled = 1; -#ifdef USE_TASKLET tasklet_schedule(&he_dev->tasklet); -#else - he_tasklet((unsigned long) he_dev); -#endif he_writel(he_dev, INT_CLEAR_A, INT_FIFO); /* clear interrupt */ (void) he_readl(he_dev, INT_FIFO); /* flush posted writes */ } @@ -2305,23 +2167,14 @@ __enqueue_tpd(struct he_dev *he_dev, struct he_tpd *tpd, unsigned cid) dev_kfree_skb_any(tpd->skb); atomic_inc(&tpd->vcc->stats->tx_err); } -#ifdef USE_TPD_POOL pci_pool_free(he_dev->tpd_pool, tpd, TPD_ADDR(tpd->status)); -#else - tpd->inuse = 0; -#endif return; } } /* 2.1.5 transmit packet descriptor ready queue */ -#ifdef USE_TPD_POOL list_add_tail(&tpd->entry, &he_dev->outstanding_tpds); he_dev->tpdrq_tail->tpd = TPD_ADDR(tpd->status); -#else - he_dev->tpdrq_tail->tpd = he_dev->tpd_base_phys + - (TPD_INDEX(tpd->status) * sizeof(struct he_tpd)); -#endif he_dev->tpdrq_tail->cid = cid; wmb(); @@ -2511,13 +2364,8 @@ he_open(struct atm_vcc *vcc) goto open_failed; } -#ifdef USE_RBPS rsr1 = RSR1_GROUP(0); rsr4 = RSR4_GROUP(0); -#else /* !USE_RBPS */ - rsr1 = RSR1_GROUP(0)|RSR1_RBPL_ONLY; - rsr4 = RSR4_GROUP(0)|RSR4_RBPL_ONLY; -#endif /* USE_RBPS */ rsr0 = vcc->qos.rxtp.traffic_class == ATM_UBR ? (RSR0_EPD_ENABLE|RSR0_PPD_ENABLE) : 0; |