Re: [dpdk-dev] [PATCH v5 2/3] PCI: support MMIO in rte_pci_ioport_map/unap/read/write
From: 谢华伟(此时此刻) <hidden>
Date: 2021-01-25 03:08:19
From: 谢华伟(此时此刻) <hidden>
Date: 2021-01-25 03:08:19
On 2021/1/24 23:22, Xueming(Steven) Li wrote:
quoted
+ } else if (flags & IORESOURCE_MEM) { + iobar = 0; + base = (unsigned long)dev->mem_resource[bar].addr; + RTE_LOG(INFO, EAL, "%s(): MMIO BAR %08lx detected\n", __func__, base);Same here, INFO level seems chatty.
makes sense. would remove it.
quoted
+ } else { + RTE_LOG(ERR, EAL, "%s(): unknown BAR type\n", __func__); + goto error; + } + + + if (iobar && rte_eal_iopl_init() != 0) { + RTE_LOG(ERR, EAL, "%s(): insufficient ioport permissions for PCI device %s\n", + __func__, dev->name); goto error; }Same as Maxime's suggestion, please move this block as well.
Thanks. It is already moved in v6 patch.
quoted
- base = (unsigned long)phys_addr; - RTE_LOG(INFO, EAL, "%s(): PIO BAR %08lx detected\n", __func__, base); - if (base > UINT16_MAX) + if (iobar && (base > UINT16_MAX)) {PIO_MAX defined below, please use it here. UNI16_MAX used in patch 1/3 as well.
ok.