diff options
| author | Pali Rohár <pali@kernel.org> | 2021-10-18 16:58:33 +0200 |
|---|---|---|
| committer | Martin Mares <mj@ucw.cz> | 2022-02-10 13:49:35 +0100 |
| commit | 66a85e51e61f84452ba8b90a53f0c0037b21fdf6 (patch) | |
| tree | d62ff6309297ba7f45efc8af00816372b8e3a2a1 | |
| parent | 83d1cbf1e8bd451008271e2761f6f5826678241b (diff) | |
| download | pciutils-66a85e51e61f84452ba8b90a53f0c0037b21fdf6.tar.gz | |
lspci: Show 16/32/64 bit width for address ranges behind bridge
Type of address range is encoded in lower bits.
| -rw-r--r-- | lspci.c | 11 |
1 files changed, 6 insertions, 5 deletions
@@ -374,12 +374,12 @@ show_size(u64 x) } static void -show_range(char *prefix, u64 base, u64 limit, int is_64bit) +show_range(char *prefix, u64 base, u64 limit, int bits) { printf("%s:", prefix); if (base <= limit || verbose > 2) { - if (is_64bit) + if (bits > 32) printf(" %016" PCI_U64_FMT_X "-%016" PCI_U64_FMT_X, base, limit); else printf(" %08x-%08x", (unsigned) base, (unsigned) limit); @@ -388,6 +388,7 @@ show_range(char *prefix, u64 base, u64 limit, int is_64bit) show_size(limit - base + 1); else printf(" [disabled]"); + printf(" [%d-bit]", bits); putchar('\n'); } @@ -578,7 +579,7 @@ show_htype1(struct device *d) io_base |= (get_conf_word(d, PCI_IO_BASE_UPPER16) << 16); io_limit |= (get_conf_word(d, PCI_IO_LIMIT_UPPER16) << 16); } - show_range("\tI/O behind bridge", io_base, io_limit+0xfff, 0); + show_range("\tI/O behind bridge", io_base, io_limit+0xfff, (io_type == PCI_IO_RANGE_TYPE_32) ? 32 : 16); } if (mem_type != (mem_limit & PCI_MEMORY_RANGE_TYPE_MASK) || @@ -588,7 +589,7 @@ show_htype1(struct device *d) { mem_base = (mem_base & PCI_MEMORY_RANGE_MASK) << 16; mem_limit = (mem_limit & PCI_MEMORY_RANGE_MASK) << 16; - show_range("\tMemory behind bridge", mem_base, mem_limit + 0xfffff, 0); + show_range("\tMemory behind bridge", mem_base, mem_limit + 0xfffff, 32); } if (pref_type != (pref_limit & PCI_PREF_RANGE_TYPE_MASK) || @@ -603,7 +604,7 @@ show_htype1(struct device *d) pref_base_64 |= (u64) get_conf_long(d, PCI_PREF_BASE_UPPER32) << 32; pref_limit_64 |= (u64) get_conf_long(d, PCI_PREF_LIMIT_UPPER32) << 32; } - show_range("\tPrefetchable memory behind bridge", pref_base_64, pref_limit_64 + 0xfffff, (pref_type == PCI_PREF_RANGE_TYPE_64)); + show_range("\tPrefetchable memory behind bridge", pref_base_64, pref_limit_64 + 0xfffff, (pref_type == PCI_PREF_RANGE_TYPE_64) ? 64 : 32); } if (verbose > 1) |