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/linux/drivers/mtd/
H A Dssfdc.c21 unsigned char heads; member
316 ssfdc->heads = 16; in ssfdcr_add_mtd()
318 get_chs(mtd->size, NULL, &ssfdc->heads, &ssfdc->sectors); in ssfdcr_add_mtd()
320 ((long)ssfdc->sectors * (long)ssfdc->heads)); in ssfdcr_add_mtd()
323 ssfdc->cylinders, ssfdc->heads , ssfdc->sectors, in ssfdcr_add_mtd()
324 (long)ssfdc->cylinders * (long)ssfdc->heads * in ssfdcr_add_mtd()
327 ssfdc->mbd.size = (long)ssfdc->heads * (long)ssfdc->cylinders * in ssfdcr_add_mtd()
411 ssfdc->cylinders, ssfdc->heads, ssfdc->sectors); in ssfdcr_getgeo()
413 geo->heads = ssfdc->heads; in ssfdcr_getgeo()
H A Dnftlcore.c68 nftl->heads = 16; in nftl_add_mtd()
70 temp = nftl->cylinders * nftl->heads; in nftl_add_mtd()
75 nftl->heads = nftl->mbd.size / temp; in nftl_add_mtd()
78 nftl->heads++; in nftl_add_mtd()
79 temp = nftl->heads * nftl->sectors; in nftl_add_mtd()
84 if (nftl->mbd.size != nftl->heads * nftl->cylinders * nftl->sectors) { in nftl_add_mtd()
93 nftl->cylinders, nftl->heads , nftl->sectors, in nftl_add_mtd()
94 (long)nftl->cylinders * (long)nftl->heads * in nftl_add_mtd()
770 geo->heads = nftl->heads; in nftl_getgeo()
H A Dinftlcore.c75 inftl->heads = 16; in inftl_add_mtd()
77 temp = inftl->cylinders * inftl->heads; in inftl_add_mtd()
82 inftl->heads = inftl->mbd.size / temp; in inftl_add_mtd()
85 inftl->heads++; in inftl_add_mtd()
86 temp = inftl->heads * inftl->sectors; in inftl_add_mtd()
91 if (inftl->mbd.size != inftl->heads * inftl->cylinders * inftl->sectors) { in inftl_add_mtd()
100 inftl->cylinders, inftl->heads , inftl->sectors, in inftl_add_mtd()
101 (long)inftl->cylinders * (long)inftl->heads * in inftl_add_mtd()
920 geo->heads = inftl->heads; in inftl_getgeo()
/linux/drivers/scsi/
H A Dscsicam.c179 unsigned long heads, sectors, cylinders, temp; in setsize() local
185 heads = capacity / temp; /* Compute value for number of heads */ in setsize()
187 heads++; /* Else, increment number of heads */ in setsize()
188 temp = cylinders * heads; /* Compute divisor for sectors */ in setsize()
193 temp = heads * sectors; /* Compute divisor for cylinders */ in setsize()
202 *hds = (unsigned int) heads; in setsize()
/linux/tools/perf/scripts/python/
H A Dcompaction-times.py109 heads = {} variable in chead
121 head = cls.heads[pid]
126 head = cls.heads[pid] = chead(comm, pid, filtered)
133 head = cls.heads[pid]
142 head = cls.heads[pid]
152 for i in cls.heads:
153 yield cls.heads[i]
/linux/tools/mm/
H A Dthpmaps229 def thp_parse(vma, kpageflags, ranges, indexes, vfns, pfns, anons, heads):
252 folios = indexes[index_next:index_end][heads[index_next:index_end]]
312 def cont_parse(vma, order, ranges, anons, heads):
334 folio_boundary = heads[index_next+1:index_next+nr_cont].any()
407 heads = flags & KPF_COMPOUND_HEAD != 0
413 heads = heads[thps]
418 thpstats = thp_parse(vma, kpageflags, ranges, indexes, vfns, pfns, anons, heads)
419 contstats = [cont_parse(vma, order, ranges, anons, heads) for order in contorders]
/linux/net/xdp/
H A Dxsk_buff_pool.c41 kvfree(pool->heads); in xp_destroy()
68 pool->heads = kvcalloc(umem->chunks, sizeof(*pool->heads), GFP_KERNEL); in xp_create_and_assign_umem()
69 if (!pool->heads) in xp_create_and_assign_umem()
101 xskb = &pool->heads[i]; in xp_create_and_assign_umem()
123 pool->heads[i].xdp.rxq = rxq; in xp_set_rxq_info()
132 struct xdp_buff_xsk *xskb = &pool->heads[i]; in xp_fill_cb()
418 struct xdp_buff_xsk *xskb = &pool->heads[i]; in xp_init_dma_info()
515 xskb = &pool->heads[xp_aligned_extract_idx(pool, addr)]; in xp_get_xskb()
/linux/drivers/gpu/drm/nouveau/nvkm/engine/disp/
H A Dhead.c35 list_for_each_entry(head, &disp->heads, head) { in nvkm_head_find()
64 list_add_tail(&head->head, &disp->heads); in nvkm_head_new_()
H A Dbase.c162 list_for_each_entry(head, &disp->heads, head) in nvkm_disp_oneinit()
207 while (!list_empty(&disp->heads)) { in nvkm_disp_dtor()
208 head = list_first_entry(&disp->heads, typeof(*head), head); in nvkm_disp_dtor()
239 INIT_LIST_HEAD(&disp->heads); in nvkm_disp_new_()
H A Dgf119.c1022 list_for_each_entry(head, &disp->heads, head) { in gf119_disp_super()
1030 list_for_each_entry(head, &disp->heads, head) { in gf119_disp_super()
1037 list_for_each_entry(head, &disp->heads, head) { in gf119_disp_super()
1042 list_for_each_entry(head, &disp->heads, head) { in gf119_disp_super()
1047 list_for_each_entry(head, &disp->heads, head) { in gf119_disp_super()
1054 list_for_each_entry(head, &disp->heads, head) { in gf119_disp_super()
1061 list_for_each_entry(head, &disp->heads, head) in gf119_disp_super()
1143 list_for_each_entry(head, &disp->heads, head) { in gf119_disp_intr()
1178 list_for_each_entry(head, &disp->heads, head) { in gf119_disp_init()
1225 list_for_each_entry(head, &disp->heads, head) { in gf119_disp_init()
H A Dgv100.c847 list_for_each_entry(head, &disp->heads, head) { in gv100_disp_super()
855 list_for_each_entry(head, &disp->heads, head) { in gv100_disp_super()
862 list_for_each_entry(head, &disp->heads, head) { in gv100_disp_super()
867 list_for_each_entry(head, &disp->heads, head) { in gv100_disp_super()
872 list_for_each_entry(head, &disp->heads, head) { in gv100_disp_super()
879 list_for_each_entry(head, &disp->heads, head) { in gv100_disp_super()
886 list_for_each_entry(head, &disp->heads, head) in gv100_disp_super()
1154 list_for_each_entry(head, &disp->heads, head) { in gv100_disp_init()
1214 list_for_each_entry(head, &disp->heads, head) { in gv100_disp_init()
/linux/arch/x86/boot/
H A Dmtools.conf.in11 file="@OBJ@/fdimage" cylinders=80 heads=2 sectors=18 filter
15 file="@OBJ@/fdimage" cylinders=80 heads=2 sectors=36 filter
/linux/block/partitions/
H A Dacorn.c200 (dr->heads + (dr->lowsector & 0x40 ? 1 : 0)) * in adfspart_check_CUMANA()
252 unsigned long start_sect, nr_sects, sectscyl, heads; in adfspart_check_ADFS() local
269 heads = dr->heads + ((dr->lowsector >> 6) & 1); in adfspart_check_ADFS()
270 sectscyl = dr->secspertrack * heads; in adfspart_check_ADFS()
H A Dibm.c41 return cyl * geo->heads * geo->sectors + in cchh2blk()
59 return cyl * geo->heads * geo->sectors + in cchhb2blk()
256 geo_size = geo->cylinders * geo->heads in find_lnx1_partitions()
/linux/drivers/gpu/drm/qxl/
H A Dqxl_display.c60 heads, count), GFP_KERNEL); in qxl_alloc_client_monitors_config()
110 &qdev->rom->client_monitors_config.heads[i]; in qxl_display_copy_rom_client_monitors_config()
112 &qdev->client_monitors_config->heads[i]; in qxl_display_copy_rom_client_monitors_config()
158 head = &qdev->client_monitors_config->heads[output->index]; in qxl_update_offset_props()
268 head = &qdev->client_monitors_config->heads[h]; in qxl_add_monitors_config_modes()
305 struct qxl_head *head = &qdev->monitors_config->heads[i]; in qxl_send_monitors_config()
362 if (head.width == qdev->monitors_config->heads[i].width && in qxl_crtc_update_monitors_config()
363 head.height == qdev->monitors_config->heads[i].height && in qxl_crtc_update_monitors_config()
364 head.x == qdev->monitors_config->heads[i].x && in qxl_crtc_update_monitors_config()
365 head.y == qdev->monitors_config->heads[i].y && in qxl_crtc_update_monitors_config()
[all …]
/linux/drivers/gpu/drm/nouveau/nvkm/subdev/bus/
H A Dhwsq.c139 u32 heads, x, y, px = 0; in nvkm_hwsq_wait_vblank() local
142 heads = nvkm_rd32(device, 0x610050); in nvkm_hwsq_wait_vblank()
145 if (heads & (2 << (i << 3))) { in nvkm_hwsq_wait_vblank()
/linux/drivers/scsi/aic7xxx/
H A Daiclib.h122 aic_sector_div(sector_t capacity, int heads, int sectors) in aic_sector_div() argument
125 sector_div(capacity, (heads * sectors)); in aic_sector_div()
/linux/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/
H A Dmemx.c129 u32 heads, x, y, px = 0; in nvkm_memx_wait_vblank() local
133 heads = nvkm_rd32(device, 0x610050); in nvkm_memx_wait_vblank()
136 if (heads & (2 << (i << 3))) { in nvkm_memx_wait_vblank()
/linux/Documentation/admin-guide/laptops/
H A Ddisk-shock-protection.rst23 unload disk heads. This feature is being used in modern laptops in
26 the internal hard drive and park its heads on the ramp when critical
43 Otherwise, writing an integer value to this file will take the heads
49 -EOVERFLOW, but heads will be parked anyway and the timeout will be
62 For example, do the following in order to park the heads of drive
101 instead of /dev/sda), then parking the heads of one drive (drive X)
/linux/drivers/block/
H A Damiflop.c179 unsigned int heads; /* number of heads */ member
1189 if (hdr.track != unit[drive].track/unit[drive].type->heads) { in dos_read()
1192 unit[drive].track/unit[drive].type->heads); in dos_read()
1196 if (hdr.side != unit[drive].track%unit[drive].type->heads) { in dos_read()
1199 unit[drive].track%unit[drive].type->heads); in dos_read()
1289 hdr.track=unit[drive].track/unit[drive].type->heads; in ms_putsec()
1290 hdr.side=unit[drive].track%unit[drive].type->heads; in ms_putsec()
1530 geo->heads = unit[drive].type->heads; in fd_getgeo()
1563 if (param < p->type->tracks * p->type->heads) in fd_locked_ioctl()
1584 getprm.head=p->type->heads; in fd_locked_ioctl()
[all …]
/linux/drivers/gpu/drm/nouveau/dispnv50/
H A Dwndw.h38 const u32 *format, u32 heads,
112 enum drm_plane_type type, int index, s32 oclass, u32 heads,
/linux/drivers/gpu/drm/nouveau/nvkm/subdev/bios/
H A Ddcb.c117 return (outp->heads << 8) | (outp->link << 6) | outp->or; in dcb_outp_hashm()
133 outp->heads = (conn & 0x00000f00) >> 8; in dcb_outp_parse()
/linux/Documentation/scsi/
H A Daha152x.rst130 The number of cylinders/heads/sectors is called geometry and is required
146 namely the address space is limited to up to 255 heads, up to 63 sectors
149 The AHA-1522 BIOS calculates the geometry by fixing the number of heads
157 extended translation. This means that the BIOS uses 255 for heads,
/linux/drivers/vhost/
H A Dvhost.c456 kfree(vq->heads); in vhost_vq_free_iovecs()
457 vq->heads = NULL; in vhost_vq_free_iovecs()
473 vq->heads = kmalloc_array(dev->iov_limit, sizeof(*vq->heads), in vhost_dev_alloc_iovecs()
475 if (!vq->indirect || !vq->log || !vq->heads) in vhost_dev_alloc_iovecs()
565 vq->heads = NULL; in vhost_dev_init()
2707 struct vring_used_elem heads = { in vhost_add_used() local
2712 return vhost_add_used_n(vq, &heads, 1); in vhost_add_used()
2717 struct vring_used_elem *heads, in __vhost_add_used_n() argument
2726 if (vhost_put_used(vq, heads, start, count)) { in __vhost_add_used_n()
2750 int vhost_add_used_n(struct vhost_virtqueue *vq, struct vring_used_elem *heads, in vhost_add_used_n() argument
[all …]
/linux/drivers/scsi/aacraid/
H A Dlinit.c308 param->heads = 255; in aac_biosparm()
311 param->heads = 128; in aac_biosparm()
315 param->heads = 64; in aac_biosparm()
319 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors); in aac_biosparm()
342 param->heads = 64; in aac_biosparm()
346 param->heads = 128; in aac_biosparm()
350 param->heads = 255; in aac_biosparm()
362 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors); in aac_biosparm()
366 param->heads, param->sectors, num)); in aac_biosparm()
372 param->heads, param->sectors)); in aac_biosparm()

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